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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
| commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
| tree | a94efe259b9009378be6d90eb30d2b019d95c194 /drivers/gpu/drm/msm/dsi | |
| parent | Initial commit. (diff) | |
| download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip | |
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/msm/dsi')
24 files changed, 13300 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/dsi/dsi.c b/drivers/gpu/drm/msm/dsi/dsi.c new file mode 100644 index 000000000..7377596a1 --- /dev/null +++ b/drivers/gpu/drm/msm/dsi/dsi.c @@ -0,0 +1,281 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2015, The Linux Foundation. All rights reserved. + */ + +#include "dsi.h" + +struct drm_encoder *msm_dsi_get_encoder(struct msm_dsi *msm_dsi) +{ + if (!msm_dsi || !msm_dsi_device_connected(msm_dsi)) + return NULL; + + return msm_dsi->encoder; +} + +static int dsi_get_phy(struct msm_dsi *msm_dsi) +{ + struct platform_device *pdev = msm_dsi->pdev; + struct platform_device *phy_pdev; + struct device_node *phy_node; + + phy_node = of_parse_phandle(pdev->dev.of_node, "phys", 0); + if (!phy_node) { + DRM_DEV_ERROR(&pdev->dev, "cannot find phy device\n"); + return -ENXIO; + } + + phy_pdev = of_find_device_by_node(phy_node); + if (phy_pdev) { + msm_dsi->phy = platform_get_drvdata(phy_pdev); + msm_dsi->phy_dev = &phy_pdev->dev; + } + + of_node_put(phy_node); + + if (!phy_pdev) { + DRM_DEV_ERROR(&pdev->dev, "%s: phy driver is not ready\n", __func__); + return -EPROBE_DEFER; + } + if (!msm_dsi->phy) { + put_device(&phy_pdev->dev); + DRM_DEV_ERROR(&pdev->dev, "%s: phy driver is not ready\n", __func__); + return -EPROBE_DEFER; + } + + return 0; +} + +static void dsi_destroy(struct msm_dsi *msm_dsi) +{ + if (!msm_dsi) + return; + + msm_dsi_manager_unregister(msm_dsi); + + if (msm_dsi->phy_dev) { + put_device(msm_dsi->phy_dev); + msm_dsi->phy = NULL; + msm_dsi->phy_dev = NULL; + } + + if (msm_dsi->host) { + msm_dsi_host_destroy(msm_dsi->host); + msm_dsi->host = NULL; + } + + platform_set_drvdata(msm_dsi->pdev, NULL); +} + +static struct msm_dsi *dsi_init(struct platform_device *pdev) +{ + struct msm_dsi *msm_dsi; + int ret; + + if (!pdev) + return ERR_PTR(-ENXIO); + + msm_dsi = devm_kzalloc(&pdev->dev, sizeof(*msm_dsi), GFP_KERNEL); + if (!msm_dsi) + return ERR_PTR(-ENOMEM); + DBG("dsi probed=%p", msm_dsi); + + msm_dsi->id = -1; + msm_dsi->pdev = pdev; + platform_set_drvdata(pdev, msm_dsi); + + /* Init dsi host */ + ret = msm_dsi_host_init(msm_dsi); + if (ret) + goto destroy_dsi; + + /* GET dsi PHY */ + ret = dsi_get_phy(msm_dsi); + if (ret) + goto destroy_dsi; + + /* Register to dsi manager */ + ret = msm_dsi_manager_register(msm_dsi); + if (ret) + goto destroy_dsi; + + return msm_dsi; + +destroy_dsi: + dsi_destroy(msm_dsi); + return ERR_PTR(ret); +} + +static int dsi_bind(struct device *dev, struct device *master, void *data) +{ + struct drm_device *drm = dev_get_drvdata(master); + struct msm_drm_private *priv = drm->dev_private; + struct platform_device *pdev = to_platform_device(dev); + struct msm_dsi *msm_dsi; + + DBG(""); + msm_dsi = dsi_init(pdev); + if (IS_ERR(msm_dsi)) { + /* Don't fail the bind if the dsi port is not connected */ + if (PTR_ERR(msm_dsi) == -ENODEV) + return 0; + else + return PTR_ERR(msm_dsi); + } + + priv->dsi[msm_dsi->id] = msm_dsi; + + return 0; +} + +static void dsi_unbind(struct device *dev, struct device *master, + void *data) +{ + struct drm_device *drm = dev_get_drvdata(master); + struct msm_drm_private *priv = drm->dev_private; + struct msm_dsi *msm_dsi = dev_get_drvdata(dev); + int id = msm_dsi->id; + + if (priv->dsi[id]) { + dsi_destroy(msm_dsi); + priv->dsi[id] = NULL; + } +} + +static const struct component_ops dsi_ops = { + .bind = dsi_bind, + .unbind = dsi_unbind, +}; + +static int dsi_dev_probe(struct platform_device *pdev) +{ + return component_add(&pdev->dev, &dsi_ops); +} + +static int dsi_dev_remove(struct platform_device *pdev) +{ + DBG(""); + component_del(&pdev->dev, &dsi_ops); + return 0; +} + +static const struct of_device_id dt_match[] = { + { .compatible = "qcom,mdss-dsi-ctrl" }, + {} +}; + +static const struct dev_pm_ops dsi_pm_ops = { + SET_RUNTIME_PM_OPS(msm_dsi_runtime_suspend, msm_dsi_runtime_resume, NULL) + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) +}; + +static struct platform_driver dsi_driver = { + .probe = dsi_dev_probe, + .remove = dsi_dev_remove, + .driver = { + .name = "msm_dsi", + .of_match_table = dt_match, + .pm = &dsi_pm_ops, + }, +}; + +void __init msm_dsi_register(void) +{ + DBG(""); + msm_dsi_phy_driver_register(); + platform_driver_register(&dsi_driver); +} + +void __exit msm_dsi_unregister(void) +{ + DBG(""); + msm_dsi_phy_driver_unregister(); + platform_driver_unregister(&dsi_driver); +} + +int msm_dsi_modeset_init(struct msm_dsi *msm_dsi, struct drm_device *dev, + struct drm_encoder *encoder) +{ + struct msm_drm_private *priv; + struct drm_bridge *ext_bridge; + int ret; + + if (WARN_ON(!encoder) || WARN_ON(!msm_dsi) || WARN_ON(!dev)) + return -EINVAL; + + priv = dev->dev_private; + + if (priv->num_bridges == ARRAY_SIZE(priv->bridges)) { + DRM_DEV_ERROR(dev->dev, "too many bridges\n"); + return -ENOSPC; + } + + msm_dsi->dev = dev; + + ret = msm_dsi_host_modeset_init(msm_dsi->host, dev); + if (ret) { + DRM_DEV_ERROR(dev->dev, "failed to modeset init host: %d\n", ret); + goto fail; + } + + if (!msm_dsi_manager_validate_current_config(msm_dsi->id)) { + ret = -EINVAL; + goto fail; + } + + msm_dsi->encoder = encoder; + + msm_dsi->bridge = msm_dsi_manager_bridge_init(msm_dsi->id); + if (IS_ERR(msm_dsi->bridge)) { + ret = PTR_ERR(msm_dsi->bridge); + DRM_DEV_ERROR(dev->dev, "failed to create dsi bridge: %d\n", ret); + msm_dsi->bridge = NULL; + goto fail; + } + + /* + * check if the dsi encoder output is connected to a panel or an + * external bridge. We create a connector only if we're connected to a + * drm_panel device. When we're connected to an external bridge, we + * assume that the drm_bridge driver will create the connector itself. + */ + ext_bridge = msm_dsi_host_get_bridge(msm_dsi->host); + + if (ext_bridge) + msm_dsi->connector = + msm_dsi_manager_ext_bridge_init(msm_dsi->id); + else + msm_dsi->connector = + msm_dsi_manager_connector_init(msm_dsi->id); + + if (IS_ERR(msm_dsi->connector)) { + ret = PTR_ERR(msm_dsi->connector); + DRM_DEV_ERROR(dev->dev, + "failed to create dsi connector: %d\n", ret); + msm_dsi->connector = NULL; + goto fail; + } + + msm_dsi_manager_setup_encoder(msm_dsi->id); + + priv->bridges[priv->num_bridges++] = msm_dsi->bridge; + priv->connectors[priv->num_connectors++] = msm_dsi->connector; + + return 0; +fail: + /* bridge/connector are normally destroyed by drm: */ + if (msm_dsi->bridge) { + msm_dsi_manager_bridge_destroy(msm_dsi->bridge); + msm_dsi->bridge = NULL; + } + + /* don't destroy connector if we didn't make it */ + if (msm_dsi->connector && !msm_dsi->external_bridge) + msm_dsi->connector->funcs->destroy(msm_dsi->connector); + + msm_dsi->connector = NULL; + + return ret; +} + diff --git a/drivers/gpu/drm/msm/dsi/dsi.h b/drivers/gpu/drm/msm/dsi/dsi.h new file mode 100644 index 000000000..78ef5d4ed --- /dev/null +++ b/drivers/gpu/drm/msm/dsi/dsi.h @@ -0,0 +1,226 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2015, The Linux Foundation. All rights reserved. + */ + +#ifndef __DSI_CONNECTOR_H__ +#define __DSI_CONNECTOR_H__ + +#include <linux/of_platform.h> +#include <linux/platform_device.h> + +#include <drm/drm_bridge.h> +#include <drm/drm_crtc.h> +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_panel.h> + +#include "msm_drv.h" + +#define DSI_0 0 +#define DSI_1 1 +#define DSI_MAX 2 + +struct msm_dsi_phy_shared_timings; +struct msm_dsi_phy_clk_request; + +enum msm_dsi_phy_type { + MSM_DSI_PHY_28NM_HPM, + MSM_DSI_PHY_28NM_LP, + MSM_DSI_PHY_20NM, + MSM_DSI_PHY_28NM_8960, + MSM_DSI_PHY_14NM, + MSM_DSI_PHY_10NM, + MSM_DSI_PHY_7NM, + MSM_DSI_PHY_7NM_V4_1, + MSM_DSI_PHY_MAX +}; + +enum msm_dsi_phy_usecase { + MSM_DSI_PHY_STANDALONE, + MSM_DSI_PHY_MASTER, + MSM_DSI_PHY_SLAVE, +}; + +#define DSI_DEV_REGULATOR_MAX 8 +#define DSI_BUS_CLK_MAX 4 + +/* Regulators for DSI devices */ +struct dsi_reg_entry { + char name[32]; + int enable_load; + int disable_load; +}; + +struct dsi_reg_config { + int num; + struct dsi_reg_entry regs[DSI_DEV_REGULATOR_MAX]; +}; + +struct msm_dsi { + struct drm_device *dev; + struct platform_device *pdev; + + /* connector managed by us when we're connected to a drm_panel */ + struct drm_connector *connector; + /* internal dsi bridge attached to MDP interface */ + struct drm_bridge *bridge; + + struct mipi_dsi_host *host; + struct msm_dsi_phy *phy; + + /* + * panel/external_bridge connected to dsi bridge output, only one of the + * two can be valid at a time + */ + struct drm_panel *panel; + struct drm_bridge *external_bridge; + + struct device *phy_dev; + bool phy_enabled; + + /* the encoder we are hooked to (outside of dsi block) */ + struct drm_encoder *encoder; + + int id; +}; + +/* dsi manager */ +struct drm_bridge *msm_dsi_manager_bridge_init(u8 id); +void msm_dsi_manager_bridge_destroy(struct drm_bridge *bridge); +struct drm_connector *msm_dsi_manager_connector_init(u8 id); +struct drm_connector *msm_dsi_manager_ext_bridge_init(u8 id); +int msm_dsi_manager_cmd_xfer(int id, const struct mipi_dsi_msg *msg); +bool msm_dsi_manager_cmd_xfer_trigger(int id, u32 dma_base, u32 len); +void msm_dsi_manager_setup_encoder(int id); +int msm_dsi_manager_register(struct msm_dsi *msm_dsi); +void msm_dsi_manager_unregister(struct msm_dsi *msm_dsi); +bool msm_dsi_manager_validate_current_config(u8 id); + +/* msm dsi */ +static inline bool msm_dsi_device_connected(struct msm_dsi *msm_dsi) +{ + return msm_dsi->panel || msm_dsi->external_bridge; +} + +struct drm_encoder *msm_dsi_get_encoder(struct msm_dsi *msm_dsi); + +/* dsi pll */ +struct msm_dsi_pll; +#ifdef CONFIG_DRM_MSM_DSI_PLL +struct msm_dsi_pll *msm_dsi_pll_init(struct platform_device *pdev, + enum msm_dsi_phy_type type, int dsi_id); +void msm_dsi_pll_destroy(struct msm_dsi_pll *pll); +int msm_dsi_pll_get_clk_provider(struct msm_dsi_pll *pll, + struct clk **byte_clk_provider, struct clk **pixel_clk_provider); +void msm_dsi_pll_save_state(struct msm_dsi_pll *pll); +int msm_dsi_pll_restore_state(struct msm_dsi_pll *pll); +int msm_dsi_pll_set_usecase(struct msm_dsi_pll *pll, + enum msm_dsi_phy_usecase uc); +#else +static inline struct msm_dsi_pll *msm_dsi_pll_init(struct platform_device *pdev, + enum msm_dsi_phy_type type, int id) { + return ERR_PTR(-ENODEV); +} +static inline void msm_dsi_pll_destroy(struct msm_dsi_pll *pll) +{ +} +static inline int msm_dsi_pll_get_clk_provider(struct msm_dsi_pll *pll, + struct clk **byte_clk_provider, struct clk **pixel_clk_provider) +{ + return -ENODEV; +} +static inline void msm_dsi_pll_save_state(struct msm_dsi_pll *pll) +{ +} +static inline int msm_dsi_pll_restore_state(struct msm_dsi_pll *pll) +{ + return 0; +} +static inline int msm_dsi_pll_set_usecase(struct msm_dsi_pll *pll, + enum msm_dsi_phy_usecase uc) +{ + return -ENODEV; +} +#endif + +/* dsi host */ +struct msm_dsi_host; +int msm_dsi_host_xfer_prepare(struct mipi_dsi_host *host, + const struct mipi_dsi_msg *msg); +void msm_dsi_host_xfer_restore(struct mipi_dsi_host *host, + const struct mipi_dsi_msg *msg); +int msm_dsi_host_cmd_tx(struct mipi_dsi_host *host, + const struct mipi_dsi_msg *msg); +int msm_dsi_host_cmd_rx(struct mipi_dsi_host *host, + const struct mipi_dsi_msg *msg); +void msm_dsi_host_cmd_xfer_commit(struct mipi_dsi_host *host, + u32 dma_base, u32 len); +int msm_dsi_host_enable(struct mipi_dsi_host *host); +int msm_dsi_host_disable(struct mipi_dsi_host *host); +int msm_dsi_host_power_on(struct mipi_dsi_host *host, + struct msm_dsi_phy_shared_timings *phy_shared_timings, + bool is_dual_dsi); +int msm_dsi_host_power_off(struct mipi_dsi_host *host); +int msm_dsi_host_set_display_mode(struct mipi_dsi_host *host, + const struct drm_display_mode *mode); +struct drm_panel *msm_dsi_host_get_panel(struct mipi_dsi_host *host); +unsigned long msm_dsi_host_get_mode_flags(struct mipi_dsi_host *host); +struct drm_bridge *msm_dsi_host_get_bridge(struct mipi_dsi_host *host); +int msm_dsi_host_register(struct mipi_dsi_host *host, bool check_defer); +void msm_dsi_host_unregister(struct mipi_dsi_host *host); +int msm_dsi_host_set_src_pll(struct mipi_dsi_host *host, + struct msm_dsi_pll *src_pll); +void msm_dsi_host_reset_phy(struct mipi_dsi_host *host); +void msm_dsi_host_get_phy_clk_req(struct mipi_dsi_host *host, + struct msm_dsi_phy_clk_request *clk_req, + bool is_dual_dsi); +void msm_dsi_host_destroy(struct mipi_dsi_host *host); +int msm_dsi_host_modeset_init(struct mipi_dsi_host *host, + struct drm_device *dev); +int msm_dsi_host_init(struct msm_dsi *msm_dsi); +int msm_dsi_runtime_suspend(struct device *dev); +int msm_dsi_runtime_resume(struct device *dev); +int dsi_link_clk_set_rate_6g(struct msm_dsi_host *msm_host); +int dsi_link_clk_set_rate_v2(struct msm_dsi_host *msm_host); +int dsi_link_clk_enable_6g(struct msm_dsi_host *msm_host); +int dsi_link_clk_enable_v2(struct msm_dsi_host *msm_host); +void dsi_link_clk_disable_6g(struct msm_dsi_host *msm_host); +void dsi_link_clk_disable_v2(struct msm_dsi_host *msm_host); +int dsi_tx_buf_alloc_6g(struct msm_dsi_host *msm_host, int size); +int dsi_tx_buf_alloc_v2(struct msm_dsi_host *msm_host, int size); +void *dsi_tx_buf_get_6g(struct msm_dsi_host *msm_host); +void *dsi_tx_buf_get_v2(struct msm_dsi_host *msm_host); +void dsi_tx_buf_put_6g(struct msm_dsi_host *msm_host); +int dsi_dma_base_get_6g(struct msm_dsi_host *msm_host, uint64_t *iova); +int dsi_dma_base_get_v2(struct msm_dsi_host *msm_host, uint64_t *iova); +int dsi_clk_init_v2(struct msm_dsi_host *msm_host); +int dsi_clk_init_6g_v2(struct msm_dsi_host *msm_host); +int dsi_calc_clk_rate_v2(struct msm_dsi_host *msm_host, bool is_dual_dsi); +int dsi_calc_clk_rate_6g(struct msm_dsi_host *msm_host, bool is_dual_dsi); + +/* dsi phy */ +struct msm_dsi_phy; +struct msm_dsi_phy_shared_timings { + u32 clk_post; + u32 clk_pre; + bool clk_pre_inc_by_2; +}; + +struct msm_dsi_phy_clk_request { + unsigned long bitclk_rate; + unsigned long escclk_rate; +}; + +void msm_dsi_phy_driver_register(void); +void msm_dsi_phy_driver_unregister(void); +int msm_dsi_phy_enable(struct msm_dsi_phy *phy, int src_pll_id, + struct msm_dsi_phy_clk_request *clk_req); +void msm_dsi_phy_disable(struct msm_dsi_phy *phy); +void msm_dsi_phy_get_shared_timings(struct msm_dsi_phy *phy, + struct msm_dsi_phy_shared_timings *shared_timing); +struct msm_dsi_pll *msm_dsi_phy_get_pll(struct msm_dsi_phy *phy); +void msm_dsi_phy_set_usecase(struct msm_dsi_phy *phy, + enum msm_dsi_phy_usecase uc); + +#endif /* __DSI_CONNECTOR_H__ */ + diff --git a/drivers/gpu/drm/msm/dsi/dsi.xml.h b/drivers/gpu/drm/msm/dsi/dsi.xml.h new file mode 100644 index 000000000..50eb4d1b8 --- /dev/null +++ b/drivers/gpu/drm/msm/dsi/dsi.xml.h @@ -0,0 +1,2313 @@ +#ifndef DSI_XML +#define DSI_XML + +/* Autogenerated file, DO NOT EDIT manually! + +This file was generated by the rules-ng-ng headergen tool in this git repository: +http://github.com/freedreno/envytools/ +git clone https://github.com/freedreno/envytools.git + +The rules-ng-ng source files this header was generated from are: +- /home/robclark/src/envytools/rnndb/msm.xml ( 676 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/freedreno_copyright.xml ( 1572 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/mdp/mdp4.xml ( 20915 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/mdp/mdp_common.xml ( 2849 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/mdp/mdp5.xml ( 37411 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/dsi/dsi.xml ( 42301 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/dsi/sfpb.xml ( 602 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/dsi/mmss_cc.xml ( 1686 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/hdmi/qfprom.xml ( 600 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/hdmi/hdmi.xml ( 41874 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/edp/edp.xml ( 10416 bytes, from 2020-07-23 21:58:14) + +Copyright (C) 2013-2020 by the following authors: +- Rob Clark <robdclark@gmail.com> (robclark) +- Ilia Mirkin <imirkin@alum.mit.edu> (imirkin) + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice (including the +next paragraph) shall be included in all copies or substantial +portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + + +enum dsi_traffic_mode { + NON_BURST_SYNCH_PULSE = 0, + NON_BURST_SYNCH_EVENT = 1, + BURST_MODE = 2, +}; + +enum dsi_vid_dst_format { + VID_DST_FORMAT_RGB565 = 0, + VID_DST_FORMAT_RGB666 = 1, + VID_DST_FORMAT_RGB666_LOOSE = 2, + VID_DST_FORMAT_RGB888 = 3, +}; + +enum dsi_rgb_swap { + SWAP_RGB = 0, + SWAP_RBG = 1, + SWAP_BGR = 2, + SWAP_BRG = 3, + SWAP_GRB = 4, + SWAP_GBR = 5, +}; + +enum dsi_cmd_trigger { + TRIGGER_NONE = 0, + TRIGGER_SEOF = 1, + TRIGGER_TE = 2, + TRIGGER_SW = 4, + TRIGGER_SW_SEOF = 5, + TRIGGER_SW_TE = 6, +}; + +enum dsi_cmd_dst_format { + CMD_DST_FORMAT_RGB111 = 0, + CMD_DST_FORMAT_RGB332 = 3, + CMD_DST_FORMAT_RGB444 = 4, + CMD_DST_FORMAT_RGB565 = 6, + CMD_DST_FORMAT_RGB666 = 7, + CMD_DST_FORMAT_RGB888 = 8, +}; + +enum dsi_lane_swap { + LANE_SWAP_0123 = 0, + LANE_SWAP_3012 = 1, + LANE_SWAP_2301 = 2, + LANE_SWAP_1230 = 3, + LANE_SWAP_0321 = 4, + LANE_SWAP_1032 = 5, + LANE_SWAP_2103 = 6, + LANE_SWAP_3210 = 7, +}; + +#define DSI_IRQ_CMD_DMA_DONE 0x00000001 +#define DSI_IRQ_MASK_CMD_DMA_DONE 0x00000002 +#define DSI_IRQ_CMD_MDP_DONE 0x00000100 +#define DSI_IRQ_MASK_CMD_MDP_DONE 0x00000200 +#define DSI_IRQ_VIDEO_DONE 0x00010000 +#define DSI_IRQ_MASK_VIDEO_DONE 0x00020000 +#define DSI_IRQ_BTA_DONE 0x00100000 +#define DSI_IRQ_MASK_BTA_DONE 0x00200000 +#define DSI_IRQ_ERROR 0x01000000 +#define DSI_IRQ_MASK_ERROR 0x02000000 +#define REG_DSI_6G_HW_VERSION 0x00000000 +#define DSI_6G_HW_VERSION_MAJOR__MASK 0xf0000000 +#define DSI_6G_HW_VERSION_MAJOR__SHIFT 28 +static inline uint32_t DSI_6G_HW_VERSION_MAJOR(uint32_t val) +{ + return ((val) << DSI_6G_HW_VERSION_MAJOR__SHIFT) & DSI_6G_HW_VERSION_MAJOR__MASK; +} +#define DSI_6G_HW_VERSION_MINOR__MASK 0x0fff0000 +#define DSI_6G_HW_VERSION_MINOR__SHIFT 16 +static inline uint32_t DSI_6G_HW_VERSION_MINOR(uint32_t val) +{ + return ((val) << DSI_6G_HW_VERSION_MINOR__SHIFT) & DSI_6G_HW_VERSION_MINOR__MASK; +} +#define DSI_6G_HW_VERSION_STEP__MASK 0x0000ffff +#define DSI_6G_HW_VERSION_STEP__SHIFT 0 +static inline uint32_t DSI_6G_HW_VERSION_STEP(uint32_t val) +{ + return ((val) << DSI_6G_HW_VERSION_STEP__SHIFT) & DSI_6G_HW_VERSION_STEP__MASK; +} + +#define REG_DSI_CTRL 0x00000000 +#define DSI_CTRL_ENABLE 0x00000001 +#define DSI_CTRL_VID_MODE_EN 0x00000002 +#define DSI_CTRL_CMD_MODE_EN 0x00000004 +#define DSI_CTRL_LANE0 0x00000010 +#define DSI_CTRL_LANE1 0x00000020 +#define DSI_CTRL_LANE2 0x00000040 +#define DSI_CTRL_LANE3 0x00000080 +#define DSI_CTRL_CLK_EN 0x00000100 +#define DSI_CTRL_ECC_CHECK 0x00100000 +#define DSI_CTRL_CRC_CHECK 0x01000000 + +#define REG_DSI_STATUS0 0x00000004 +#define DSI_STATUS0_CMD_MODE_ENGINE_BUSY 0x00000001 +#define DSI_STATUS0_CMD_MODE_DMA_BUSY 0x00000002 +#define DSI_STATUS0_CMD_MODE_MDP_BUSY 0x00000004 +#define DSI_STATUS0_VIDEO_MODE_ENGINE_BUSY 0x00000008 +#define DSI_STATUS0_DSI_BUSY 0x00000010 +#define DSI_STATUS0_INTERLEAVE_OP_CONTENTION 0x80000000 + +#define REG_DSI_FIFO_STATUS 0x00000008 +#define DSI_FIFO_STATUS_VIDEO_MDP_FIFO_OVERFLOW 0x00000001 +#define DSI_FIFO_STATUS_VIDEO_MDP_FIFO_UNDERFLOW 0x00000008 +#define DSI_FIFO_STATUS_CMD_MDP_FIFO_UNDERFLOW 0x00000080 +#define DSI_FIFO_STATUS_CMD_DMA_FIFO_RD_WATERMARK_REACH 0x00000100 +#define DSI_FIFO_STATUS_CMD_DMA_FIFO_WR_WATERMARK_REACH 0x00000200 +#define DSI_FIFO_STATUS_CMD_DMA_FIFO_UNDERFLOW 0x00000400 +#define DSI_FIFO_STATUS_DLN0_LP_FIFO_EMPTY 0x00001000 +#define DSI_FIFO_STATUS_DLN0_LP_FIFO_FULL 0x00002000 +#define DSI_FIFO_STATUS_DLN0_LP_FIFO_OVERFLOW 0x00004000 +#define DSI_FIFO_STATUS_DLN0_HS_FIFO_EMPTY 0x00010000 +#define DSI_FIFO_STATUS_DLN0_HS_FIFO_FULL 0x00020000 +#define DSI_FIFO_STATUS_DLN0_HS_FIFO_OVERFLOW 0x00040000 +#define DSI_FIFO_STATUS_DLN0_HS_FIFO_UNDERFLOW 0x00080000 +#define DSI_FIFO_STATUS_DLN1_HS_FIFO_EMPTY 0x00100000 +#define DSI_FIFO_STATUS_DLN1_HS_FIFO_FULL 0x00200000 +#define DSI_FIFO_STATUS_DLN1_HS_FIFO_OVERFLOW 0x00400000 +#define DSI_FIFO_STATUS_DLN1_HS_FIFO_UNDERFLOW 0x00800000 +#define DSI_FIFO_STATUS_DLN2_HS_FIFO_EMPTY 0x01000000 +#define DSI_FIFO_STATUS_DLN2_HS_FIFO_FULL 0x02000000 +#define DSI_FIFO_STATUS_DLN2_HS_FIFO_OVERFLOW 0x04000000 +#define DSI_FIFO_STATUS_DLN2_HS_FIFO_UNDERFLOW 0x08000000 +#define DSI_FIFO_STATUS_DLN3_HS_FIFO_EMPTY 0x10000000 +#define DSI_FIFO_STATUS_DLN3_HS_FIFO_FULL 0x20000000 +#define DSI_FIFO_STATUS_DLN3_HS_FIFO_OVERFLOW 0x40000000 +#define DSI_FIFO_STATUS_DLN3_HS_FIFO_UNDERFLOW 0x80000000 + +#define REG_DSI_VID_CFG0 0x0000000c +#define DSI_VID_CFG0_VIRT_CHANNEL__MASK 0x00000003 +#define DSI_VID_CFG0_VIRT_CHANNEL__SHIFT 0 +static inline uint32_t DSI_VID_CFG0_VIRT_CHANNEL(uint32_t val) +{ + return ((val) << DSI_VID_CFG0_VIRT_CHANNEL__SHIFT) & DSI_VID_CFG0_VIRT_CHANNEL__MASK; +} +#define DSI_VID_CFG0_DST_FORMAT__MASK 0x00000030 +#define DSI_VID_CFG0_DST_FORMAT__SHIFT 4 +static inline uint32_t DSI_VID_CFG0_DST_FORMAT(enum dsi_vid_dst_format val) +{ + return ((val) << DSI_VID_CFG0_DST_FORMAT__SHIFT) & DSI_VID_CFG0_DST_FORMAT__MASK; +} +#define DSI_VID_CFG0_TRAFFIC_MODE__MASK 0x00000300 +#define DSI_VID_CFG0_TRAFFIC_MODE__SHIFT 8 +static inline uint32_t DSI_VID_CFG0_TRAFFIC_MODE(enum dsi_traffic_mode val) +{ + return ((val) << DSI_VID_CFG0_TRAFFIC_MODE__SHIFT) & DSI_VID_CFG0_TRAFFIC_MODE__MASK; +} +#define DSI_VID_CFG0_BLLP_POWER_STOP 0x00001000 +#define DSI_VID_CFG0_EOF_BLLP_POWER_STOP 0x00008000 +#define DSI_VID_CFG0_HSA_POWER_STOP 0x00010000 +#define DSI_VID_CFG0_HBP_POWER_STOP 0x00100000 +#define DSI_VID_CFG0_HFP_POWER_STOP 0x01000000 +#define DSI_VID_CFG0_PULSE_MODE_HSA_HE 0x10000000 + +#define REG_DSI_VID_CFG1 0x0000001c +#define DSI_VID_CFG1_R_SEL 0x00000001 +#define DSI_VID_CFG1_G_SEL 0x00000010 +#define DSI_VID_CFG1_B_SEL 0x00000100 +#define DSI_VID_CFG1_RGB_SWAP__MASK 0x00007000 +#define DSI_VID_CFG1_RGB_SWAP__SHIFT 12 +static inline uint32_t DSI_VID_CFG1_RGB_SWAP(enum dsi_rgb_swap val) +{ + return ((val) << DSI_VID_CFG1_RGB_SWAP__SHIFT) & DSI_VID_CFG1_RGB_SWAP__MASK; +} + +#define REG_DSI_ACTIVE_H 0x00000020 +#define DSI_ACTIVE_H_START__MASK 0x00000fff +#define DSI_ACTIVE_H_START__SHIFT 0 +static inline uint32_t DSI_ACTIVE_H_START(uint32_t val) +{ + return ((val) << DSI_ACTIVE_H_START__SHIFT) & DSI_ACTIVE_H_START__MASK; +} +#define DSI_ACTIVE_H_END__MASK 0x0fff0000 +#define DSI_ACTIVE_H_END__SHIFT 16 +static inline uint32_t DSI_ACTIVE_H_END(uint32_t val) +{ + return ((val) << DSI_ACTIVE_H_END__SHIFT) & DSI_ACTIVE_H_END__MASK; +} + +#define REG_DSI_ACTIVE_V 0x00000024 +#define DSI_ACTIVE_V_START__MASK 0x00000fff +#define DSI_ACTIVE_V_START__SHIFT 0 +static inline uint32_t DSI_ACTIVE_V_START(uint32_t val) +{ + return ((val) << DSI_ACTIVE_V_START__SHIFT) & DSI_ACTIVE_V_START__MASK; +} +#define DSI_ACTIVE_V_END__MASK 0x0fff0000 +#define DSI_ACTIVE_V_END__SHIFT 16 +static inline uint32_t DSI_ACTIVE_V_END(uint32_t val) +{ + return ((val) << DSI_ACTIVE_V_END__SHIFT) & DSI_ACTIVE_V_END__MASK; +} + +#define REG_DSI_TOTAL 0x00000028 +#define DSI_TOTAL_H_TOTAL__MASK 0x00000fff +#define DSI_TOTAL_H_TOTAL__SHIFT 0 +static inline uint32_t DSI_TOTAL_H_TOTAL(uint32_t val) +{ + return ((val) << DSI_TOTAL_H_TOTAL__SHIFT) & DSI_TOTAL_H_TOTAL__MASK; +} +#define DSI_TOTAL_V_TOTAL__MASK 0x0fff0000 +#define DSI_TOTAL_V_TOTAL__SHIFT 16 +static inline uint32_t DSI_TOTAL_V_TOTAL(uint32_t val) +{ + return ((val) << DSI_TOTAL_V_TOTAL__SHIFT) & DSI_TOTAL_V_TOTAL__MASK; +} + +#define REG_DSI_ACTIVE_HSYNC 0x0000002c +#define DSI_ACTIVE_HSYNC_START__MASK 0x00000fff +#define DSI_ACTIVE_HSYNC_START__SHIFT 0 +static inline uint32_t DSI_ACTIVE_HSYNC_START(uint32_t val) +{ + return ((val) << DSI_ACTIVE_HSYNC_START__SHIFT) & DSI_ACTIVE_HSYNC_START__MASK; +} +#define DSI_ACTIVE_HSYNC_END__MASK 0x0fff0000 +#define DSI_ACTIVE_HSYNC_END__SHIFT 16 +static inline uint32_t DSI_ACTIVE_HSYNC_END(uint32_t val) +{ + return ((val) << DSI_ACTIVE_HSYNC_END__SHIFT) & DSI_ACTIVE_HSYNC_END__MASK; +} + +#define REG_DSI_ACTIVE_VSYNC_HPOS 0x00000030 +#define DSI_ACTIVE_VSYNC_HPOS_START__MASK 0x00000fff +#define DSI_ACTIVE_VSYNC_HPOS_START__SHIFT 0 +static inline uint32_t DSI_ACTIVE_VSYNC_HPOS_START(uint32_t val) +{ + return ((val) << DSI_ACTIVE_VSYNC_HPOS_START__SHIFT) & DSI_ACTIVE_VSYNC_HPOS_START__MASK; +} +#define DSI_ACTIVE_VSYNC_HPOS_END__MASK 0x0fff0000 +#define DSI_ACTIVE_VSYNC_HPOS_END__SHIFT 16 +static inline uint32_t DSI_ACTIVE_VSYNC_HPOS_END(uint32_t val) +{ + return ((val) << DSI_ACTIVE_VSYNC_HPOS_END__SHIFT) & DSI_ACTIVE_VSYNC_HPOS_END__MASK; +} + +#define REG_DSI_ACTIVE_VSYNC_VPOS 0x00000034 +#define DSI_ACTIVE_VSYNC_VPOS_START__MASK 0x00000fff +#define DSI_ACTIVE_VSYNC_VPOS_START__SHIFT 0 +static inline uint32_t DSI_ACTIVE_VSYNC_VPOS_START(uint32_t val) +{ + return ((val) << DSI_ACTIVE_VSYNC_VPOS_START__SHIFT) & DSI_ACTIVE_VSYNC_VPOS_START__MASK; +} +#define DSI_ACTIVE_VSYNC_VPOS_END__MASK 0x0fff0000 +#define DSI_ACTIVE_VSYNC_VPOS_END__SHIFT 16 +static inline uint32_t DSI_ACTIVE_VSYNC_VPOS_END(uint32_t val) +{ + return ((val) << DSI_ACTIVE_VSYNC_VPOS_END__SHIFT) & DSI_ACTIVE_VSYNC_VPOS_END__MASK; +} + +#define REG_DSI_CMD_DMA_CTRL 0x00000038 +#define DSI_CMD_DMA_CTRL_BROADCAST_EN 0x80000000 +#define DSI_CMD_DMA_CTRL_FROM_FRAME_BUFFER 0x10000000 +#define DSI_CMD_DMA_CTRL_LOW_POWER 0x04000000 + +#define REG_DSI_CMD_CFG0 0x0000003c +#define DSI_CMD_CFG0_DST_FORMAT__MASK 0x0000000f +#define DSI_CMD_CFG0_DST_FORMAT__SHIFT 0 +static inline uint32_t DSI_CMD_CFG0_DST_FORMAT(enum dsi_cmd_dst_format val) +{ + return ((val) << DSI_CMD_CFG0_DST_FORMAT__SHIFT) & DSI_CMD_CFG0_DST_FORMAT__MASK; +} +#define DSI_CMD_CFG0_R_SEL 0x00000010 +#define DSI_CMD_CFG0_G_SEL 0x00000100 +#define DSI_CMD_CFG0_B_SEL 0x00001000 +#define DSI_CMD_CFG0_INTERLEAVE_MAX__MASK 0x00f00000 +#define DSI_CMD_CFG0_INTERLEAVE_MAX__SHIFT 20 +static inline uint32_t DSI_CMD_CFG0_INTERLEAVE_MAX(uint32_t val) +{ + return ((val) << DSI_CMD_CFG0_INTERLEAVE_MAX__SHIFT) & DSI_CMD_CFG0_INTERLEAVE_MAX__MASK; +} +#define DSI_CMD_CFG0_RGB_SWAP__MASK 0x00070000 +#define DSI_CMD_CFG0_RGB_SWAP__SHIFT 16 +static inline uint32_t DSI_CMD_CFG0_RGB_SWAP(enum dsi_rgb_swap val) +{ + return ((val) << DSI_CMD_CFG0_RGB_SWAP__SHIFT) & DSI_CMD_CFG0_RGB_SWAP__MASK; +} + +#define REG_DSI_CMD_CFG1 0x00000040 +#define DSI_CMD_CFG1_WR_MEM_START__MASK 0x000000ff +#define DSI_CMD_CFG1_WR_MEM_START__SHIFT 0 +static inline uint32_t DSI_CMD_CFG1_WR_MEM_START(uint32_t val) +{ + return ((val) << DSI_CMD_CFG1_WR_MEM_START__SHIFT) & DSI_CMD_CFG1_WR_MEM_START__MASK; +} +#define DSI_CMD_CFG1_WR_MEM_CONTINUE__MASK 0x0000ff00 +#define DSI_CMD_CFG1_WR_MEM_CONTINUE__SHIFT 8 +static inline uint32_t DSI_CMD_CFG1_WR_MEM_CONTINUE(uint32_t val) +{ + return ((val) << DSI_CMD_CFG1_WR_MEM_CONTINUE__SHIFT) & DSI_CMD_CFG1_WR_MEM_CONTINUE__MASK; +} +#define DSI_CMD_CFG1_INSERT_DCS_COMMAND 0x00010000 + +#define REG_DSI_DMA_BASE 0x00000044 + +#define REG_DSI_DMA_LEN 0x00000048 + +#define REG_DSI_CMD_MDP_STREAM0_CTRL 0x00000054 +#define DSI_CMD_MDP_STREAM0_CTRL_DATA_TYPE__MASK 0x0000003f +#define DSI_CMD_MDP_STREAM0_CTRL_DATA_TYPE__SHIFT 0 +static inline uint32_t DSI_CMD_MDP_STREAM0_CTRL_DATA_TYPE(uint32_t val) +{ + return ((val) << DSI_CMD_MDP_STREAM0_CTRL_DATA_TYPE__SHIFT) & DSI_CMD_MDP_STREAM0_CTRL_DATA_TYPE__MASK; +} +#define DSI_CMD_MDP_STREAM0_CTRL_VIRTUAL_CHANNEL__MASK 0x00000300 +#define DSI_CMD_MDP_STREAM0_CTRL_VIRTUAL_CHANNEL__SHIFT 8 +static inline uint32_t DSI_CMD_MDP_STREAM0_CTRL_VIRTUAL_CHANNEL(uint32_t val) +{ + return ((val) << DSI_CMD_MDP_STREAM0_CTRL_VIRTUAL_CHANNEL__SHIFT) & DSI_CMD_MDP_STREAM0_CTRL_VIRTUAL_CHANNEL__MASK; +} +#define DSI_CMD_MDP_STREAM0_CTRL_WORD_COUNT__MASK 0xffff0000 +#define DSI_CMD_MDP_STREAM0_CTRL_WORD_COUNT__SHIFT 16 +static inline uint32_t DSI_CMD_MDP_STREAM0_CTRL_WORD_COUNT(uint32_t val) +{ + return ((val) << DSI_CMD_MDP_STREAM0_CTRL_WORD_COUNT__SHIFT) & DSI_CMD_MDP_STREAM0_CTRL_WORD_COUNT__MASK; +} + +#define REG_DSI_CMD_MDP_STREAM0_TOTAL 0x00000058 +#define DSI_CMD_MDP_STREAM0_TOTAL_H_TOTAL__MASK 0x00000fff +#define DSI_CMD_MDP_STREAM0_TOTAL_H_TOTAL__SHIFT 0 +static inline uint32_t DSI_CMD_MDP_STREAM0_TOTAL_H_TOTAL(uint32_t val) +{ + return ((val) << DSI_CMD_MDP_STREAM0_TOTAL_H_TOTAL__SHIFT) & DSI_CMD_MDP_STREAM0_TOTAL_H_TOTAL__MASK; +} +#define DSI_CMD_MDP_STREAM0_TOTAL_V_TOTAL__MASK 0x0fff0000 +#define DSI_CMD_MDP_STREAM0_TOTAL_V_TOTAL__SHIFT 16 +static inline uint32_t DSI_CMD_MDP_STREAM0_TOTAL_V_TOTAL(uint32_t val) +{ + return ((val) << DSI_CMD_MDP_STREAM0_TOTAL_V_TOTAL__SHIFT) & DSI_CMD_MDP_STREAM0_TOTAL_V_TOTAL__MASK; +} + +#define REG_DSI_CMD_MDP_STREAM1_CTRL 0x0000005c +#define DSI_CMD_MDP_STREAM1_CTRL_DATA_TYPE__MASK 0x0000003f +#define DSI_CMD_MDP_STREAM1_CTRL_DATA_TYPE__SHIFT 0 +static inline uint32_t DSI_CMD_MDP_STREAM1_CTRL_DATA_TYPE(uint32_t val) +{ + return ((val) << DSI_CMD_MDP_STREAM1_CTRL_DATA_TYPE__SHIFT) & DSI_CMD_MDP_STREAM1_CTRL_DATA_TYPE__MASK; +} +#define DSI_CMD_MDP_STREAM1_CTRL_VIRTUAL_CHANNEL__MASK 0x00000300 +#define DSI_CMD_MDP_STREAM1_CTRL_VIRTUAL_CHANNEL__SHIFT 8 +static inline uint32_t DSI_CMD_MDP_STREAM1_CTRL_VIRTUAL_CHANNEL(uint32_t val) +{ + return ((val) << DSI_CMD_MDP_STREAM1_CTRL_VIRTUAL_CHANNEL__SHIFT) & DSI_CMD_MDP_STREAM1_CTRL_VIRTUAL_CHANNEL__MASK; +} +#define DSI_CMD_MDP_STREAM1_CTRL_WORD_COUNT__MASK 0xffff0000 +#define DSI_CMD_MDP_STREAM1_CTRL_WORD_COUNT__SHIFT 16 +static inline uint32_t DSI_CMD_MDP_STREAM1_CTRL_WORD_COUNT(uint32_t val) +{ + return ((val) << DSI_CMD_MDP_STREAM1_CTRL_WORD_COUNT__SHIFT) & DSI_CMD_MDP_STREAM1_CTRL_WORD_COUNT__MASK; +} + +#define REG_DSI_CMD_MDP_STREAM1_TOTAL 0x00000060 +#define DSI_CMD_MDP_STREAM1_TOTAL_H_TOTAL__MASK 0x0000ffff +#define DSI_CMD_MDP_STREAM1_TOTAL_H_TOTAL__SHIFT 0 +static inline uint32_t DSI_CMD_MDP_STREAM1_TOTAL_H_TOTAL(uint32_t val) +{ + return ((val) << DSI_CMD_MDP_STREAM1_TOTAL_H_TOTAL__SHIFT) & DSI_CMD_MDP_STREAM1_TOTAL_H_TOTAL__MASK; +} +#define DSI_CMD_MDP_STREAM1_TOTAL_V_TOTAL__MASK 0xffff0000 +#define DSI_CMD_MDP_STREAM1_TOTAL_V_TOTAL__SHIFT 16 +static inline uint32_t DSI_CMD_MDP_STREAM1_TOTAL_V_TOTAL(uint32_t val) +{ + return ((val) << DSI_CMD_MDP_STREAM1_TOTAL_V_TOTAL__SHIFT) & DSI_CMD_MDP_STREAM1_TOTAL_V_TOTAL__MASK; +} + +#define REG_DSI_ACK_ERR_STATUS 0x00000064 + +static inline uint32_t REG_DSI_RDBK(uint32_t i0) { return 0x00000068 + 0x4*i0; } + +static inline uint32_t REG_DSI_RDBK_DATA(uint32_t i0) { return 0x00000068 + 0x4*i0; } + +#define REG_DSI_TRIG_CTRL 0x00000080 +#define DSI_TRIG_CTRL_DMA_TRIGGER__MASK 0x00000007 +#define DSI_TRIG_CTRL_DMA_TRIGGER__SHIFT 0 +static inline uint32_t DSI_TRIG_CTRL_DMA_TRIGGER(enum dsi_cmd_trigger val) +{ + return ((val) << DSI_TRIG_CTRL_DMA_TRIGGER__SHIFT) & DSI_TRIG_CTRL_DMA_TRIGGER__MASK; +} +#define DSI_TRIG_CTRL_MDP_TRIGGER__MASK 0x00000070 +#define DSI_TRIG_CTRL_MDP_TRIGGER__SHIFT 4 +static inline uint32_t DSI_TRIG_CTRL_MDP_TRIGGER(enum dsi_cmd_trigger val) +{ + return ((val) << DSI_TRIG_CTRL_MDP_TRIGGER__SHIFT) & DSI_TRIG_CTRL_MDP_TRIGGER__MASK; +} +#define DSI_TRIG_CTRL_STREAM__MASK 0x00000300 +#define DSI_TRIG_CTRL_STREAM__SHIFT 8 +static inline uint32_t DSI_TRIG_CTRL_STREAM(uint32_t val) +{ + return ((val) << DSI_TRIG_CTRL_STREAM__SHIFT) & DSI_TRIG_CTRL_STREAM__MASK; +} +#define DSI_TRIG_CTRL_BLOCK_DMA_WITHIN_FRAME 0x00001000 +#define DSI_TRIG_CTRL_TE 0x80000000 + +#define REG_DSI_TRIG_DMA 0x0000008c + +#define REG_DSI_DLN0_PHY_ERR 0x000000b0 +#define DSI_DLN0_PHY_ERR_DLN0_ERR_ESC 0x00000001 +#define DSI_DLN0_PHY_ERR_DLN0_ERR_SYNC_ESC 0x00000010 +#define DSI_DLN0_PHY_ERR_DLN0_ERR_CONTROL 0x00000100 +#define DSI_DLN0_PHY_ERR_DLN0_ERR_CONTENTION_LP0 0x00001000 +#define DSI_DLN0_PHY_ERR_DLN0_ERR_CONTENTION_LP1 0x00010000 + +#define REG_DSI_LP_TIMER_CTRL 0x000000b4 +#define DSI_LP_TIMER_CTRL_LP_RX_TO__MASK 0x0000ffff +#define DSI_LP_TIMER_CTRL_LP_RX_TO__SHIFT 0 +static inline uint32_t DSI_LP_TIMER_CTRL_LP_RX_TO(uint32_t val) +{ + return ((val) << DSI_LP_TIMER_CTRL_LP_RX_TO__SHIFT) & DSI_LP_TIMER_CTRL_LP_RX_TO__MASK; +} +#define DSI_LP_TIMER_CTRL_BTA_TO__MASK 0xffff0000 +#define DSI_LP_TIMER_CTRL_BTA_TO__SHIFT 16 +static inline uint32_t DSI_LP_TIMER_CTRL_BTA_TO(uint32_t val) +{ + return ((val) << DSI_LP_TIMER_CTRL_BTA_TO__SHIFT) & DSI_LP_TIMER_CTRL_BTA_TO__MASK; +} + +#define REG_DSI_HS_TIMER_CTRL 0x000000b8 +#define DSI_HS_TIMER_CTRL_HS_TX_TO__MASK 0x0000ffff +#define DSI_HS_TIMER_CTRL_HS_TX_TO__SHIFT 0 +static inline uint32_t DSI_HS_TIMER_CTRL_HS_TX_TO(uint32_t val) +{ + return ((val) << DSI_HS_TIMER_CTRL_HS_TX_TO__SHIFT) & DSI_HS_TIMER_CTRL_HS_TX_TO__MASK; +} +#define DSI_HS_TIMER_CTRL_TIMER_RESOLUTION__MASK 0x000f0000 +#define DSI_HS_TIMER_CTRL_TIMER_RESOLUTION__SHIFT 16 +static inline uint32_t DSI_HS_TIMER_CTRL_TIMER_RESOLUTION(uint32_t val) +{ + return ((val) << DSI_HS_TIMER_CTRL_TIMER_RESOLUTION__SHIFT) & DSI_HS_TIMER_CTRL_TIMER_RESOLUTION__MASK; +} +#define DSI_HS_TIMER_CTRL_HS_TX_TO_STOP_EN 0x10000000 + +#define REG_DSI_TIMEOUT_STATUS 0x000000bc + +#define REG_DSI_CLKOUT_TIMING_CTRL 0x000000c0 +#define DSI_CLKOUT_TIMING_CTRL_T_CLK_PRE__MASK 0x0000003f +#define DSI_CLKOUT_TIMING_CTRL_T_CLK_PRE__SHIFT 0 +static inline uint32_t DSI_CLKOUT_TIMING_CTRL_T_CLK_PRE(uint32_t val) +{ + return ((val) << DSI_CLKOUT_TIMING_CTRL_T_CLK_PRE__SHIFT) & DSI_CLKOUT_TIMING_CTRL_T_CLK_PRE__MASK; +} +#define DSI_CLKOUT_TIMING_CTRL_T_CLK_POST__MASK 0x00003f00 +#define DSI_CLKOUT_TIMING_CTRL_T_CLK_POST__SHIFT 8 +static inline uint32_t DSI_CLKOUT_TIMING_CTRL_T_CLK_POST(uint32_t val) +{ + return ((val) << DSI_CLKOUT_TIMING_CTRL_T_CLK_POST__SHIFT) & DSI_CLKOUT_TIMING_CTRL_T_CLK_POST__MASK; +} + +#define REG_DSI_EOT_PACKET_CTRL 0x000000c8 +#define DSI_EOT_PACKET_CTRL_TX_EOT_APPEND 0x00000001 +#define DSI_EOT_PACKET_CTRL_RX_EOT_IGNORE 0x00000010 + +#define REG_DSI_LANE_STATUS 0x000000a4 +#define DSI_LANE_STATUS_DLN0_STOPSTATE 0x00000001 +#define DSI_LANE_STATUS_DLN1_STOPSTATE 0x00000002 +#define DSI_LANE_STATUS_DLN2_STOPSTATE 0x00000004 +#define DSI_LANE_STATUS_DLN3_STOPSTATE 0x00000008 +#define DSI_LANE_STATUS_CLKLN_STOPSTATE 0x00000010 +#define DSI_LANE_STATUS_DLN0_ULPS_ACTIVE_NOT 0x00000100 +#define DSI_LANE_STATUS_DLN1_ULPS_ACTIVE_NOT 0x00000200 +#define DSI_LANE_STATUS_DLN2_ULPS_ACTIVE_NOT 0x00000400 +#define DSI_LANE_STATUS_DLN3_ULPS_ACTIVE_NOT 0x00000800 +#define DSI_LANE_STATUS_CLKLN_ULPS_ACTIVE_NOT 0x00001000 +#define DSI_LANE_STATUS_DLN0_DIRECTION 0x00010000 + +#define REG_DSI_LANE_CTRL 0x000000a8 +#define DSI_LANE_CTRL_CLKLN_HS_FORCE_REQUEST 0x10000000 + +#define REG_DSI_LANE_SWAP_CTRL 0x000000ac +#define DSI_LANE_SWAP_CTRL_DLN_SWAP_SEL__MASK 0x00000007 +#define DSI_LANE_SWAP_CTRL_DLN_SWAP_SEL__SHIFT 0 +static inline uint32_t DSI_LANE_SWAP_CTRL_DLN_SWAP_SEL(enum dsi_lane_swap val) +{ + return ((val) << DSI_LANE_SWAP_CTRL_DLN_SWAP_SEL__SHIFT) & DSI_LANE_SWAP_CTRL_DLN_SWAP_SEL__MASK; +} + +#define REG_DSI_ERR_INT_MASK0 0x00000108 + +#define REG_DSI_INTR_CTRL 0x0000010c + +#define REG_DSI_RESET 0x00000114 + +#define REG_DSI_CLK_CTRL 0x00000118 +#define DSI_CLK_CTRL_AHBS_HCLK_ON 0x00000001 +#define DSI_CLK_CTRL_AHBM_SCLK_ON 0x00000002 +#define DSI_CLK_CTRL_PCLK_ON 0x00000004 +#define DSI_CLK_CTRL_DSICLK_ON 0x00000008 +#define DSI_CLK_CTRL_BYTECLK_ON 0x00000010 +#define DSI_CLK_CTRL_ESCCLK_ON 0x00000020 +#define DSI_CLK_CTRL_FORCE_ON_DYN_AHBM_HCLK 0x00000200 + +#define REG_DSI_CLK_STATUS 0x0000011c +#define DSI_CLK_STATUS_DSI_AON_AHBM_HCLK_ACTIVE 0x00000001 +#define DSI_CLK_STATUS_DSI_DYN_AHBM_HCLK_ACTIVE 0x00000002 +#define DSI_CLK_STATUS_DSI_AON_AHBS_HCLK_ACTIVE 0x00000004 +#define DSI_CLK_STATUS_DSI_DYN_AHBS_HCLK_ACTIVE 0x00000008 +#define DSI_CLK_STATUS_DSI_AON_DSICLK_ACTIVE 0x00000010 +#define DSI_CLK_STATUS_DSI_DYN_DSICLK_ACTIVE 0x00000020 +#define DSI_CLK_STATUS_DSI_AON_BYTECLK_ACTIVE 0x00000040 +#define DSI_CLK_STATUS_DSI_DYN_BYTECLK_ACTIVE 0x00000080 +#define DSI_CLK_STATUS_DSI_AON_ESCCLK_ACTIVE 0x00000100 +#define DSI_CLK_STATUS_DSI_AON_PCLK_ACTIVE 0x00000200 +#define DSI_CLK_STATUS_DSI_DYN_PCLK_ACTIVE 0x00000400 +#define DSI_CLK_STATUS_DSI_DYN_CMD_PCLK_ACTIVE 0x00001000 +#define DSI_CLK_STATUS_DSI_CMD_PCLK_ACTIVE 0x00002000 +#define DSI_CLK_STATUS_DSI_VID_PCLK_ACTIVE 0x00004000 +#define DSI_CLK_STATUS_DSI_CAM_BIST_PCLK_ACT 0x00008000 +#define DSI_CLK_STATUS_PLL_UNLOCKED 0x00010000 + +#define REG_DSI_PHY_RESET 0x00000128 +#define DSI_PHY_RESET_RESET 0x00000001 + +#define REG_DSI_T_CLK_PRE_EXTEND 0x0000017c +#define DSI_T_CLK_PRE_EXTEND_INC_BY_2_BYTECLK 0x00000001 + +#define REG_DSI_CMD_MODE_MDP_CTRL2 0x000001b4 +#define DSI_CMD_MODE_MDP_CTRL2_DST_FORMAT2__MASK 0x0000000f +#define DSI_CMD_MODE_MDP_CTRL2_DST_FORMAT2__SHIFT 0 +static inline uint32_t DSI_CMD_MODE_MDP_CTRL2_DST_FORMAT2(enum dsi_cmd_dst_format val) +{ + return ((val) << DSI_CMD_MODE_MDP_CTRL2_DST_FORMAT2__SHIFT) & DSI_CMD_MODE_MDP_CTRL2_DST_FORMAT2__MASK; +} +#define DSI_CMD_MODE_MDP_CTRL2_R_SEL 0x00000010 +#define DSI_CMD_MODE_MDP_CTRL2_G_SEL 0x00000020 +#define DSI_CMD_MODE_MDP_CTRL2_B_SEL 0x00000040 +#define DSI_CMD_MODE_MDP_CTRL2_BYTE_MSB_LSB_FLIP 0x00000080 +#define DSI_CMD_MODE_MDP_CTRL2_RGB_SWAP__MASK 0x00000700 +#define DSI_CMD_MODE_MDP_CTRL2_RGB_SWAP__SHIFT 8 +static inline uint32_t DSI_CMD_MODE_MDP_CTRL2_RGB_SWAP(enum dsi_rgb_swap val) +{ + return ((val) << DSI_CMD_MODE_MDP_CTRL2_RGB_SWAP__SHIFT) & DSI_CMD_MODE_MDP_CTRL2_RGB_SWAP__MASK; +} +#define DSI_CMD_MODE_MDP_CTRL2_INPUT_RGB_SWAP__MASK 0x00007000 +#define DSI_CMD_MODE_MDP_CTRL2_INPUT_RGB_SWAP__SHIFT 12 +static inline uint32_t DSI_CMD_MODE_MDP_CTRL2_INPUT_RGB_SWAP(enum dsi_rgb_swap val) +{ + return ((val) << DSI_CMD_MODE_MDP_CTRL2_INPUT_RGB_SWAP__SHIFT) & DSI_CMD_MODE_MDP_CTRL2_INPUT_RGB_SWAP__MASK; +} +#define DSI_CMD_MODE_MDP_CTRL2_BURST_MODE 0x00010000 + +#define REG_DSI_CMD_MODE_MDP_STREAM2_CTRL 0x000001b8 +#define DSI_CMD_MODE_MDP_STREAM2_CTRL_DATA_TYPE__MASK 0x0000003f +#define DSI_CMD_MODE_MDP_STREAM2_CTRL_DATA_TYPE__SHIFT 0 +static inline uint32_t DSI_CMD_MODE_MDP_STREAM2_CTRL_DATA_TYPE(uint32_t val) +{ + return ((val) << DSI_CMD_MODE_MDP_STREAM2_CTRL_DATA_TYPE__SHIFT) & DSI_CMD_MODE_MDP_STREAM2_CTRL_DATA_TYPE__MASK; +} +#define DSI_CMD_MODE_MDP_STREAM2_CTRL_VIRTUAL_CHANNEL__MASK 0x00000300 +#define DSI_CMD_MODE_MDP_STREAM2_CTRL_VIRTUAL_CHANNEL__SHIFT 8 +static inline uint32_t DSI_CMD_MODE_MDP_STREAM2_CTRL_VIRTUAL_CHANNEL(uint32_t val) +{ + return ((val) << DSI_CMD_MODE_MDP_STREAM2_CTRL_VIRTUAL_CHANNEL__SHIFT) & DSI_CMD_MODE_MDP_STREAM2_CTRL_VIRTUAL_CHANNEL__MASK; +} +#define DSI_CMD_MODE_MDP_STREAM2_CTRL_WORD_COUNT__MASK 0xffff0000 +#define DSI_CMD_MODE_MDP_STREAM2_CTRL_WORD_COUNT__SHIFT 16 +static inline uint32_t DSI_CMD_MODE_MDP_STREAM2_CTRL_WORD_COUNT(uint32_t val) +{ + return ((val) << DSI_CMD_MODE_MDP_STREAM2_CTRL_WORD_COUNT__SHIFT) & DSI_CMD_MODE_MDP_STREAM2_CTRL_WORD_COUNT__MASK; +} + +#define REG_DSI_RDBK_DATA_CTRL 0x000001d0 +#define DSI_RDBK_DATA_CTRL_COUNT__MASK 0x00ff0000 +#define DSI_RDBK_DATA_CTRL_COUNT__SHIFT 16 +static inline uint32_t DSI_RDBK_DATA_CTRL_COUNT(uint32_t val) +{ + return ((val) << DSI_RDBK_DATA_CTRL_COUNT__SHIFT) & DSI_RDBK_DATA_CTRL_COUNT__MASK; +} +#define DSI_RDBK_DATA_CTRL_CLR 0x00000001 + +#define REG_DSI_VERSION 0x000001f0 +#define DSI_VERSION_MAJOR__MASK 0xff000000 +#define DSI_VERSION_MAJOR__SHIFT 24 +static inline uint32_t DSI_VERSION_MAJOR(uint32_t val) +{ + return ((val) << DSI_VERSION_MAJOR__SHIFT) & DSI_VERSION_MAJOR__MASK; +} + +#define REG_DSI_PHY_PLL_CTRL_0 0x00000200 +#define DSI_PHY_PLL_CTRL_0_ENABLE 0x00000001 + +#define REG_DSI_PHY_PLL_CTRL_1 0x00000204 + +#define REG_DSI_PHY_PLL_CTRL_2 0x00000208 + +#define REG_DSI_PHY_PLL_CTRL_3 0x0000020c + +#define REG_DSI_PHY_PLL_CTRL_4 0x00000210 + +#define REG_DSI_PHY_PLL_CTRL_5 0x00000214 + +#define REG_DSI_PHY_PLL_CTRL_6 0x00000218 + +#define REG_DSI_PHY_PLL_CTRL_7 0x0000021c + +#define REG_DSI_PHY_PLL_CTRL_8 0x00000220 + +#define REG_DSI_PHY_PLL_CTRL_9 0x00000224 + +#define REG_DSI_PHY_PLL_CTRL_10 0x00000228 + +#define REG_DSI_PHY_PLL_CTRL_11 0x0000022c + +#define REG_DSI_PHY_PLL_CTRL_12 0x00000230 + +#define REG_DSI_PHY_PLL_CTRL_13 0x00000234 + +#define REG_DSI_PHY_PLL_CTRL_14 0x00000238 + +#define REG_DSI_PHY_PLL_CTRL_15 0x0000023c + +#define REG_DSI_PHY_PLL_CTRL_16 0x00000240 + +#define REG_DSI_PHY_PLL_CTRL_17 0x00000244 + +#define REG_DSI_PHY_PLL_CTRL_18 0x00000248 + +#define REG_DSI_PHY_PLL_CTRL_19 0x0000024c + +#define REG_DSI_PHY_PLL_CTRL_20 0x00000250 + +#define REG_DSI_PHY_PLL_STATUS 0x00000280 +#define DSI_PHY_PLL_STATUS_PLL_BUSY 0x00000001 + +#define REG_DSI_8x60_PHY_TPA_CTRL_1 0x00000258 + +#define REG_DSI_8x60_PHY_TPA_CTRL_2 0x0000025c + +#define REG_DSI_8x60_PHY_TIMING_CTRL_0 0x00000260 + +#define REG_DSI_8x60_PHY_TIMING_CTRL_1 0x00000264 + +#define REG_DSI_8x60_PHY_TIMING_CTRL_2 0x00000268 + +#define REG_DSI_8x60_PHY_TIMING_CTRL_3 0x0000026c + +#define REG_DSI_8x60_PHY_TIMING_CTRL_4 0x00000270 + +#define REG_DSI_8x60_PHY_TIMING_CTRL_5 0x00000274 + +#define REG_DSI_8x60_PHY_TIMING_CTRL_6 0x00000278 + +#define REG_DSI_8x60_PHY_TIMING_CTRL_7 0x0000027c + +#define REG_DSI_8x60_PHY_TIMING_CTRL_8 0x00000280 + +#define REG_DSI_8x60_PHY_TIMING_CTRL_9 0x00000284 + +#define REG_DSI_8x60_PHY_TIMING_CTRL_10 0x00000288 + +#define REG_DSI_8x60_PHY_TIMING_CTRL_11 0x0000028c + +#define REG_DSI_8x60_PHY_CTRL_0 0x00000290 + +#define REG_DSI_8x60_PHY_CTRL_1 0x00000294 + +#define REG_DSI_8x60_PHY_CTRL_2 0x00000298 + +#define REG_DSI_8x60_PHY_CTRL_3 0x0000029c + +#define REG_DSI_8x60_PHY_STRENGTH_0 0x000002a0 + +#define REG_DSI_8x60_PHY_STRENGTH_1 0x000002a4 + +#define REG_DSI_8x60_PHY_STRENGTH_2 0x000002a8 + +#define REG_DSI_8x60_PHY_STRENGTH_3 0x000002ac + +#define REG_DSI_8x60_PHY_REGULATOR_CTRL_0 0x000002cc + +#define REG_DSI_8x60_PHY_REGULATOR_CTRL_1 0x000002d0 + +#define REG_DSI_8x60_PHY_REGULATOR_CTRL_2 0x000002d4 + +#define REG_DSI_8x60_PHY_REGULATOR_CTRL_3 0x000002d8 + +#define REG_DSI_8x60_PHY_REGULATOR_CTRL_4 0x000002dc + +#define REG_DSI_8x60_PHY_CAL_HW_TRIGGER 0x000000f0 + +#define REG_DSI_8x60_PHY_CAL_CTRL 0x000000f4 + +#define REG_DSI_8x60_PHY_CAL_STATUS 0x000000fc +#define DSI_8x60_PHY_CAL_STATUS_CAL_BUSY 0x10000000 + +static inline uint32_t REG_DSI_28nm_8960_PHY_LN(uint32_t i0) { return 0x00000000 + 0x40*i0; } + +static inline uint32_t REG_DSI_28nm_8960_PHY_LN_CFG_0(uint32_t i0) { return 0x00000000 + 0x40*i0; } + +static inline uint32_t REG_DSI_28nm_8960_PHY_LN_CFG_1(uint32_t i0) { return 0x00000004 + 0x40*i0; } + +static inline uint32_t REG_DSI_28nm_8960_PHY_LN_CFG_2(uint32_t i0) { return 0x00000008 + 0x40*i0; } + +static inline uint32_t REG_DSI_28nm_8960_PHY_LN_TEST_DATAPATH(uint32_t i0) { return 0x0000000c + 0x40*i0; } + +static inline uint32_t REG_DSI_28nm_8960_PHY_LN_TEST_STR_0(uint32_t i0) { return 0x00000014 + 0x40*i0; } + +static inline uint32_t REG_DSI_28nm_8960_PHY_LN_TEST_STR_1(uint32_t i0) { return 0x00000018 + 0x40*i0; } + +#define REG_DSI_28nm_8960_PHY_LNCK_CFG_0 0x00000100 + +#define REG_DSI_28nm_8960_PHY_LNCK_CFG_1 0x00000104 + +#define REG_DSI_28nm_8960_PHY_LNCK_CFG_2 0x00000108 + +#define REG_DSI_28nm_8960_PHY_LNCK_TEST_DATAPATH 0x0000010c + +#define REG_DSI_28nm_8960_PHY_LNCK_TEST_STR0 0x00000114 + +#define REG_DSI_28nm_8960_PHY_LNCK_TEST_STR1 0x00000118 + +#define REG_DSI_28nm_8960_PHY_TIMING_CTRL_0 0x00000140 +#define DSI_28nm_8960_PHY_TIMING_CTRL_0_CLK_ZERO__MASK 0x000000ff +#define DSI_28nm_8960_PHY_TIMING_CTRL_0_CLK_ZERO__SHIFT 0 +static inline uint32_t DSI_28nm_8960_PHY_TIMING_CTRL_0_CLK_ZERO(uint32_t val) +{ + return ((val) << DSI_28nm_8960_PHY_TIMING_CTRL_0_CLK_ZERO__SHIFT) & DSI_28nm_8960_PHY_TIMING_CTRL_0_CLK_ZERO__MASK; +} + +#define REG_DSI_28nm_8960_PHY_TIMING_CTRL_1 0x00000144 +#define DSI_28nm_8960_PHY_TIMING_CTRL_1_CLK_TRAIL__MASK 0x000000ff +#define DSI_28nm_8960_PHY_TIMING_CTRL_1_CLK_TRAIL__SHIFT 0 +static inline uint32_t DSI_28nm_8960_PHY_TIMING_CTRL_1_CLK_TRAIL(uint32_t val) +{ + return ((val) << DSI_28nm_8960_PHY_TIMING_CTRL_1_CLK_TRAIL__SHIFT) & DSI_28nm_8960_PHY_TIMING_CTRL_1_CLK_TRAIL__MASK; +} + +#define REG_DSI_28nm_8960_PHY_TIMING_CTRL_2 0x00000148 +#define DSI_28nm_8960_PHY_TIMING_CTRL_2_CLK_PREPARE__MASK 0x000000ff +#define DSI_28nm_8960_PHY_TIMING_CTRL_2_CLK_PREPARE__SHIFT 0 +static inline uint32_t DSI_28nm_8960_PHY_TIMING_CTRL_2_CLK_PREPARE(uint32_t val) +{ + return ((val) << DSI_28nm_8960_PHY_TIMING_CTRL_2_CLK_PREPARE__SHIFT) & DSI_28nm_8960_PHY_TIMING_CTRL_2_CLK_PREPARE__MASK; +} + +#define REG_DSI_28nm_8960_PHY_TIMING_CTRL_3 0x0000014c + +#define REG_DSI_28nm_8960_PHY_TIMING_CTRL_4 0x00000150 +#define DSI_28nm_8960_PHY_TIMING_CTRL_4_HS_EXIT__MASK 0x000000ff +#define DSI_28nm_8960_PHY_TIMING_CTRL_4_HS_EXIT__SHIFT 0 +static inline uint32_t DSI_28nm_8960_PHY_TIMING_CTRL_4_HS_EXIT(uint32_t val) +{ + return ((val) << DSI_28nm_8960_PHY_TIMING_CTRL_4_HS_EXIT__SHIFT) & DSI_28nm_8960_PHY_TIMING_CTRL_4_HS_EXIT__MASK; +} + +#define REG_DSI_28nm_8960_PHY_TIMING_CTRL_5 0x00000154 +#define DSI_28nm_8960_PHY_TIMING_CTRL_5_HS_ZERO__MASK 0x000000ff +#define DSI_28nm_8960_PHY_TIMING_CTRL_5_HS_ZERO__SHIFT 0 +static inline uint32_t DSI_28nm_8960_PHY_TIMING_CTRL_5_HS_ZERO(uint32_t val) +{ + return ((val) << DSI_28nm_8960_PHY_TIMING_CTRL_5_HS_ZERO__SHIFT) & DSI_28nm_8960_PHY_TIMING_CTRL_5_HS_ZERO__MASK; +} + +#define REG_DSI_28nm_8960_PHY_TIMING_CTRL_6 0x00000158 +#define DSI_28nm_8960_PHY_TIMING_CTRL_6_HS_PREPARE__MASK 0x000000ff +#define DSI_28nm_8960_PHY_TIMING_CTRL_6_HS_PREPARE__SHIFT 0 +static inline uint32_t DSI_28nm_8960_PHY_TIMING_CTRL_6_HS_PREPARE(uint32_t val) +{ + return ((val) << DSI_28nm_8960_PHY_TIMING_CTRL_6_HS_PREPARE__SHIFT) & DSI_28nm_8960_PHY_TIMING_CTRL_6_HS_PREPARE__MASK; +} + +#define REG_DSI_28nm_8960_PHY_TIMING_CTRL_7 0x0000015c +#define DSI_28nm_8960_PHY_TIMING_CTRL_7_HS_TRAIL__MASK 0x000000ff +#define DSI_28nm_8960_PHY_TIMING_CTRL_7_HS_TRAIL__SHIFT 0 +static inline uint32_t DSI_28nm_8960_PHY_TIMING_CTRL_7_HS_TRAIL(uint32_t val) +{ + return ((val) << DSI_28nm_8960_PHY_TIMING_CTRL_7_HS_TRAIL__SHIFT) & DSI_28nm_8960_PHY_TIMING_CTRL_7_HS_TRAIL__MASK; +} + +#define REG_DSI_28nm_8960_PHY_TIMING_CTRL_8 0x00000160 +#define DSI_28nm_8960_PHY_TIMING_CTRL_8_HS_RQST__MASK 0x000000ff +#define DSI_28nm_8960_PHY_TIMING_CTRL_8_HS_RQST__SHIFT 0 +static inline uint32_t DSI_28nm_8960_PHY_TIMING_CTRL_8_HS_RQST(uint32_t val) +{ + return ((val) << DSI_28nm_8960_PHY_TIMING_CTRL_8_HS_RQST__SHIFT) & DSI_28nm_8960_PHY_TIMING_CTRL_8_HS_RQST__MASK; +} + +#define REG_DSI_28nm_8960_PHY_TIMING_CTRL_9 0x00000164 +#define DSI_28nm_8960_PHY_TIMING_CTRL_9_TA_GO__MASK 0x00000007 +#define DSI_28nm_8960_PHY_TIMING_CTRL_9_TA_GO__SHIFT 0 +static inline uint32_t DSI_28nm_8960_PHY_TIMING_CTRL_9_TA_GO(uint32_t val) +{ + return ((val) << DSI_28nm_8960_PHY_TIMING_CTRL_9_TA_GO__SHIFT) & DSI_28nm_8960_PHY_TIMING_CTRL_9_TA_GO__MASK; +} +#define DSI_28nm_8960_PHY_TIMING_CTRL_9_TA_SURE__MASK 0x00000070 +#define DSI_28nm_8960_PHY_TIMING_CTRL_9_TA_SURE__SHIFT 4 +static inline uint32_t DSI_28nm_8960_PHY_TIMING_CTRL_9_TA_SURE(uint32_t val) +{ + return ((val) << DSI_28nm_8960_PHY_TIMING_CTRL_9_TA_SURE__SHIFT) & DSI_28nm_8960_PHY_TIMING_CTRL_9_TA_SURE__MASK; +} + +#define REG_DSI_28nm_8960_PHY_TIMING_CTRL_10 0x00000168 +#define DSI_28nm_8960_PHY_TIMING_CTRL_10_TA_GET__MASK 0x00000007 +#define DSI_28nm_8960_PHY_TIMING_CTRL_10_TA_GET__SHIFT 0 +static inline uint32_t DSI_28nm_8960_PHY_TIMING_CTRL_10_TA_GET(uint32_t val) +{ + return ((val) << DSI_28nm_8960_PHY_TIMING_CTRL_10_TA_GET__SHIFT) & DSI_28nm_8960_PHY_TIMING_CTRL_10_TA_GET__MASK; +} + +#define REG_DSI_28nm_8960_PHY_TIMING_CTRL_11 0x0000016c +#define DSI_28nm_8960_PHY_TIMING_CTRL_11_TRIG3_CMD__MASK 0x000000ff +#define DSI_28nm_8960_PHY_TIMING_CTRL_11_TRIG3_CMD__SHIFT 0 +static inline uint32_t DSI_28nm_8960_PHY_TIMING_CTRL_11_TRIG3_CMD(uint32_t val) +{ + return ((val) << DSI_28nm_8960_PHY_TIMING_CTRL_11_TRIG3_CMD__SHIFT) & DSI_28nm_8960_PHY_TIMING_CTRL_11_TRIG3_CMD__MASK; +} + +#define REG_DSI_28nm_8960_PHY_CTRL_0 0x00000170 + +#define REG_DSI_28nm_8960_PHY_CTRL_1 0x00000174 + +#define REG_DSI_28nm_8960_PHY_CTRL_2 0x00000178 + +#define REG_DSI_28nm_8960_PHY_CTRL_3 0x0000017c + +#define REG_DSI_28nm_8960_PHY_STRENGTH_0 0x00000180 + +#define REG_DSI_28nm_8960_PHY_STRENGTH_1 0x00000184 + +#define REG_DSI_28nm_8960_PHY_STRENGTH_2 0x00000188 + +#define REG_DSI_28nm_8960_PHY_BIST_CTRL_0 0x0000018c + +#define REG_DSI_28nm_8960_PHY_BIST_CTRL_1 0x00000190 + +#define REG_DSI_28nm_8960_PHY_BIST_CTRL_2 0x00000194 + +#define REG_DSI_28nm_8960_PHY_BIST_CTRL_3 0x00000198 + +#define REG_DSI_28nm_8960_PHY_BIST_CTRL_4 0x0000019c + +#define REG_DSI_28nm_8960_PHY_LDO_CTRL 0x000001b0 + +#define REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_0 0x00000000 + +#define REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_1 0x00000004 + +#define REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_2 0x00000008 + +#define REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_3 0x0000000c + +#define REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_4 0x00000010 + +#define REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_5 0x00000014 + +#define REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CAL_PWR_CFG 0x00000018 + +#define REG_DSI_28nm_8960_PHY_MISC_CAL_HW_TRIGGER 0x00000028 + +#define REG_DSI_28nm_8960_PHY_MISC_CAL_SW_CFG_0 0x0000002c + +#define REG_DSI_28nm_8960_PHY_MISC_CAL_SW_CFG_1 0x00000030 + +#define REG_DSI_28nm_8960_PHY_MISC_CAL_SW_CFG_2 0x00000034 + +#define REG_DSI_28nm_8960_PHY_MISC_CAL_HW_CFG_0 0x00000038 + +#define REG_DSI_28nm_8960_PHY_MISC_CAL_HW_CFG_1 0x0000003c + +#define REG_DSI_28nm_8960_PHY_MISC_CAL_HW_CFG_2 0x00000040 + +#define REG_DSI_28nm_8960_PHY_MISC_CAL_HW_CFG_3 0x00000044 + +#define REG_DSI_28nm_8960_PHY_MISC_CAL_HW_CFG_4 0x00000048 + +#define REG_DSI_28nm_8960_PHY_MISC_CAL_STATUS 0x00000050 +#define DSI_28nm_8960_PHY_MISC_CAL_STATUS_CAL_BUSY 0x00000010 + +#define REG_DSI_28nm_8960_PHY_PLL_CTRL_0 0x00000000 +#define DSI_28nm_8960_PHY_PLL_CTRL_0_ENABLE 0x00000001 + +#define REG_DSI_28nm_8960_PHY_PLL_CTRL_1 0x00000004 + +#define REG_DSI_28nm_8960_PHY_PLL_CTRL_2 0x00000008 + +#define REG_DSI_28nm_8960_PHY_PLL_CTRL_3 0x0000000c + +#define REG_DSI_28nm_8960_PHY_PLL_CTRL_4 0x00000010 + +#define REG_DSI_28nm_8960_PHY_PLL_CTRL_5 0x00000014 + +#define REG_DSI_28nm_8960_PHY_PLL_CTRL_6 0x00000018 + +#define REG_DSI_28nm_8960_PHY_PLL_CTRL_7 0x0000001c + +#define REG_DSI_28nm_8960_PHY_PLL_CTRL_8 0x00000020 + +#define REG_DSI_28nm_8960_PHY_PLL_CTRL_9 0x00000024 + +#define REG_DSI_28nm_8960_PHY_PLL_CTRL_10 0x00000028 + +#define REG_DSI_28nm_8960_PHY_PLL_CTRL_11 0x0000002c + +#define REG_DSI_28nm_8960_PHY_PLL_CTRL_12 0x00000030 + +#define REG_DSI_28nm_8960_PHY_PLL_CTRL_13 0x00000034 + +#define REG_DSI_28nm_8960_PHY_PLL_CTRL_14 0x00000038 + +#define REG_DSI_28nm_8960_PHY_PLL_CTRL_15 0x0000003c + +#define REG_DSI_28nm_8960_PHY_PLL_CTRL_16 0x00000040 + +#define REG_DSI_28nm_8960_PHY_PLL_CTRL_17 0x00000044 + +#define REG_DSI_28nm_8960_PHY_PLL_CTRL_18 0x00000048 + +#define REG_DSI_28nm_8960_PHY_PLL_CTRL_19 0x0000004c + +#define REG_DSI_28nm_8960_PHY_PLL_CTRL_20 0x00000050 + +#define REG_DSI_28nm_8960_PHY_PLL_RDY 0x00000080 +#define DSI_28nm_8960_PHY_PLL_RDY_PLL_RDY 0x00000001 + +static inline uint32_t REG_DSI_28nm_PHY_LN(uint32_t i0) { return 0x00000000 + 0x40*i0; } + +static inline uint32_t REG_DSI_28nm_PHY_LN_CFG_0(uint32_t i0) { return 0x00000000 + 0x40*i0; } + +static inline uint32_t REG_DSI_28nm_PHY_LN_CFG_1(uint32_t i0) { return 0x00000004 + 0x40*i0; } + +static inline uint32_t REG_DSI_28nm_PHY_LN_CFG_2(uint32_t i0) { return 0x00000008 + 0x40*i0; } + +static inline uint32_t REG_DSI_28nm_PHY_LN_CFG_3(uint32_t i0) { return 0x0000000c + 0x40*i0; } + +static inline uint32_t REG_DSI_28nm_PHY_LN_CFG_4(uint32_t i0) { return 0x00000010 + 0x40*i0; } + +static inline uint32_t REG_DSI_28nm_PHY_LN_TEST_DATAPATH(uint32_t i0) { return 0x00000014 + 0x40*i0; } + +static inline uint32_t REG_DSI_28nm_PHY_LN_DEBUG_SEL(uint32_t i0) { return 0x00000018 + 0x40*i0; } + +static inline uint32_t REG_DSI_28nm_PHY_LN_TEST_STR_0(uint32_t i0) { return 0x0000001c + 0x40*i0; } + +static inline uint32_t REG_DSI_28nm_PHY_LN_TEST_STR_1(uint32_t i0) { return 0x00000020 + 0x40*i0; } + +#define REG_DSI_28nm_PHY_LNCK_CFG_0 0x00000100 + +#define REG_DSI_28nm_PHY_LNCK_CFG_1 0x00000104 + +#define REG_DSI_28nm_PHY_LNCK_CFG_2 0x00000108 + +#define REG_DSI_28nm_PHY_LNCK_CFG_3 0x0000010c + +#define REG_DSI_28nm_PHY_LNCK_CFG_4 0x00000110 + +#define REG_DSI_28nm_PHY_LNCK_TEST_DATAPATH 0x00000114 + +#define REG_DSI_28nm_PHY_LNCK_DEBUG_SEL 0x00000118 + +#define REG_DSI_28nm_PHY_LNCK_TEST_STR0 0x0000011c + +#define REG_DSI_28nm_PHY_LNCK_TEST_STR1 0x00000120 + +#define REG_DSI_28nm_PHY_TIMING_CTRL_0 0x00000140 +#define DSI_28nm_PHY_TIMING_CTRL_0_CLK_ZERO__MASK 0x000000ff +#define DSI_28nm_PHY_TIMING_CTRL_0_CLK_ZERO__SHIFT 0 +static inline uint32_t DSI_28nm_PHY_TIMING_CTRL_0_CLK_ZERO(uint32_t val) +{ + return ((val) << DSI_28nm_PHY_TIMING_CTRL_0_CLK_ZERO__SHIFT) & DSI_28nm_PHY_TIMING_CTRL_0_CLK_ZERO__MASK; +} + +#define REG_DSI_28nm_PHY_TIMING_CTRL_1 0x00000144 +#define DSI_28nm_PHY_TIMING_CTRL_1_CLK_TRAIL__MASK 0x000000ff +#define DSI_28nm_PHY_TIMING_CTRL_1_CLK_TRAIL__SHIFT 0 +static inline uint32_t DSI_28nm_PHY_TIMING_CTRL_1_CLK_TRAIL(uint32_t val) +{ + return ((val) << DSI_28nm_PHY_TIMING_CTRL_1_CLK_TRAIL__SHIFT) & DSI_28nm_PHY_TIMING_CTRL_1_CLK_TRAIL__MASK; +} + +#define REG_DSI_28nm_PHY_TIMING_CTRL_2 0x00000148 +#define DSI_28nm_PHY_TIMING_CTRL_2_CLK_PREPARE__MASK 0x000000ff +#define DSI_28nm_PHY_TIMING_CTRL_2_CLK_PREPARE__SHIFT 0 +static inline uint32_t DSI_28nm_PHY_TIMING_CTRL_2_CLK_PREPARE(uint32_t val) +{ + return ((val) << DSI_28nm_PHY_TIMING_CTRL_2_CLK_PREPARE__SHIFT) & DSI_28nm_PHY_TIMING_CTRL_2_CLK_PREPARE__MASK; +} + +#define REG_DSI_28nm_PHY_TIMING_CTRL_3 0x0000014c +#define DSI_28nm_PHY_TIMING_CTRL_3_CLK_ZERO_8 0x00000001 + +#define REG_DSI_28nm_PHY_TIMING_CTRL_4 0x00000150 +#define DSI_28nm_PHY_TIMING_CTRL_4_HS_EXIT__MASK 0x000000ff +#define DSI_28nm_PHY_TIMING_CTRL_4_HS_EXIT__SHIFT 0 +static inline uint32_t DSI_28nm_PHY_TIMING_CTRL_4_HS_EXIT(uint32_t val) +{ + return ((val) << DSI_28nm_PHY_TIMING_CTRL_4_HS_EXIT__SHIFT) & DSI_28nm_PHY_TIMING_CTRL_4_HS_EXIT__MASK; +} + +#define REG_DSI_28nm_PHY_TIMING_CTRL_5 0x00000154 +#define DSI_28nm_PHY_TIMING_CTRL_5_HS_ZERO__MASK 0x000000ff +#define DSI_28nm_PHY_TIMING_CTRL_5_HS_ZERO__SHIFT 0 +static inline uint32_t DSI_28nm_PHY_TIMING_CTRL_5_HS_ZERO(uint32_t val) +{ + return ((val) << DSI_28nm_PHY_TIMING_CTRL_5_HS_ZERO__SHIFT) & DSI_28nm_PHY_TIMING_CTRL_5_HS_ZERO__MASK; +} + +#define REG_DSI_28nm_PHY_TIMING_CTRL_6 0x00000158 +#define DSI_28nm_PHY_TIMING_CTRL_6_HS_PREPARE__MASK 0x000000ff +#define DSI_28nm_PHY_TIMING_CTRL_6_HS_PREPARE__SHIFT 0 +static inline uint32_t DSI_28nm_PHY_TIMING_CTRL_6_HS_PREPARE(uint32_t val) +{ + return ((val) << DSI_28nm_PHY_TIMING_CTRL_6_HS_PREPARE__SHIFT) & DSI_28nm_PHY_TIMING_CTRL_6_HS_PREPARE__MASK; +} + +#define REG_DSI_28nm_PHY_TIMING_CTRL_7 0x0000015c +#define DSI_28nm_PHY_TIMING_CTRL_7_HS_TRAIL__MASK 0x000000ff +#define DSI_28nm_PHY_TIMING_CTRL_7_HS_TRAIL__SHIFT 0 +static inline uint32_t DSI_28nm_PHY_TIMING_CTRL_7_HS_TRAIL(uint32_t val) +{ + return ((val) << DSI_28nm_PHY_TIMING_CTRL_7_HS_TRAIL__SHIFT) & DSI_28nm_PHY_TIMING_CTRL_7_HS_TRAIL__MASK; +} + +#define REG_DSI_28nm_PHY_TIMING_CTRL_8 0x00000160 +#define DSI_28nm_PHY_TIMING_CTRL_8_HS_RQST__MASK 0x000000ff +#define DSI_28nm_PHY_TIMING_CTRL_8_HS_RQST__SHIFT 0 +static inline uint32_t DSI_28nm_PHY_TIMING_CTRL_8_HS_RQST(uint32_t val) +{ + return ((val) << DSI_28nm_PHY_TIMING_CTRL_8_HS_RQST__SHIFT) & DSI_28nm_PHY_TIMING_CTRL_8_HS_RQST__MASK; +} + +#define REG_DSI_28nm_PHY_TIMING_CTRL_9 0x00000164 +#define DSI_28nm_PHY_TIMING_CTRL_9_TA_GO__MASK 0x00000007 +#define DSI_28nm_PHY_TIMING_CTRL_9_TA_GO__SHIFT 0 +static inline uint32_t DSI_28nm_PHY_TIMING_CTRL_9_TA_GO(uint32_t val) +{ + return ((val) << DSI_28nm_PHY_TIMING_CTRL_9_TA_GO__SHIFT) & DSI_28nm_PHY_TIMING_CTRL_9_TA_GO__MASK; +} +#define DSI_28nm_PHY_TIMING_CTRL_9_TA_SURE__MASK 0x00000070 +#define DSI_28nm_PHY_TIMING_CTRL_9_TA_SURE__SHIFT 4 +static inline uint32_t DSI_28nm_PHY_TIMING_CTRL_9_TA_SURE(uint32_t val) +{ + return ((val) << DSI_28nm_PHY_TIMING_CTRL_9_TA_SURE__SHIFT) & DSI_28nm_PHY_TIMING_CTRL_9_TA_SURE__MASK; +} + +#define REG_DSI_28nm_PHY_TIMING_CTRL_10 0x00000168 +#define DSI_28nm_PHY_TIMING_CTRL_10_TA_GET__MASK 0x00000007 +#define DSI_28nm_PHY_TIMING_CTRL_10_TA_GET__SHIFT 0 +static inline uint32_t DSI_28nm_PHY_TIMING_CTRL_10_TA_GET(uint32_t val) +{ + return ((val) << DSI_28nm_PHY_TIMING_CTRL_10_TA_GET__SHIFT) & DSI_28nm_PHY_TIMING_CTRL_10_TA_GET__MASK; +} + +#define REG_DSI_28nm_PHY_TIMING_CTRL_11 0x0000016c +#define DSI_28nm_PHY_TIMING_CTRL_11_TRIG3_CMD__MASK 0x000000ff +#define DSI_28nm_PHY_TIMING_CTRL_11_TRIG3_CMD__SHIFT 0 +static inline uint32_t DSI_28nm_PHY_TIMING_CTRL_11_TRIG3_CMD(uint32_t val) +{ + return ((val) << DSI_28nm_PHY_TIMING_CTRL_11_TRIG3_CMD__SHIFT) & DSI_28nm_PHY_TIMING_CTRL_11_TRIG3_CMD__MASK; +} + +#define REG_DSI_28nm_PHY_CTRL_0 0x00000170 + +#define REG_DSI_28nm_PHY_CTRL_1 0x00000174 + +#define REG_DSI_28nm_PHY_CTRL_2 0x00000178 + +#define REG_DSI_28nm_PHY_CTRL_3 0x0000017c + +#define REG_DSI_28nm_PHY_CTRL_4 0x00000180 + +#define REG_DSI_28nm_PHY_STRENGTH_0 0x00000184 + +#define REG_DSI_28nm_PHY_STRENGTH_1 0x00000188 + +#define REG_DSI_28nm_PHY_BIST_CTRL_0 0x000001b4 + +#define REG_DSI_28nm_PHY_BIST_CTRL_1 0x000001b8 + +#define REG_DSI_28nm_PHY_BIST_CTRL_2 0x000001bc + +#define REG_DSI_28nm_PHY_BIST_CTRL_3 0x000001c0 + +#define REG_DSI_28nm_PHY_BIST_CTRL_4 0x000001c4 + +#define REG_DSI_28nm_PHY_BIST_CTRL_5 0x000001c8 + +#define REG_DSI_28nm_PHY_GLBL_TEST_CTRL 0x000001d4 +#define DSI_28nm_PHY_GLBL_TEST_CTRL_BITCLK_HS_SEL 0x00000001 + +#define REG_DSI_28nm_PHY_LDO_CNTRL 0x000001dc + +#define REG_DSI_28nm_PHY_REGULATOR_CTRL_0 0x00000000 + +#define REG_DSI_28nm_PHY_REGULATOR_CTRL_1 0x00000004 + +#define REG_DSI_28nm_PHY_REGULATOR_CTRL_2 0x00000008 + +#define REG_DSI_28nm_PHY_REGULATOR_CTRL_3 0x0000000c + +#define REG_DSI_28nm_PHY_REGULATOR_CTRL_4 0x00000010 + +#define REG_DSI_28nm_PHY_REGULATOR_CTRL_5 0x00000014 + +#define REG_DSI_28nm_PHY_REGULATOR_CAL_PWR_CFG 0x00000018 + +#define REG_DSI_28nm_PHY_PLL_REFCLK_CFG 0x00000000 +#define DSI_28nm_PHY_PLL_REFCLK_CFG_DBLR 0x00000001 + +#define REG_DSI_28nm_PHY_PLL_POSTDIV1_CFG 0x00000004 + +#define REG_DSI_28nm_PHY_PLL_CHGPUMP_CFG 0x00000008 + +#define REG_DSI_28nm_PHY_PLL_VCOLPF_CFG 0x0000000c + +#define REG_DSI_28nm_PHY_PLL_VREG_CFG 0x00000010 +#define DSI_28nm_PHY_PLL_VREG_CFG_POSTDIV1_BYPASS_B 0x00000002 + +#define REG_DSI_28nm_PHY_PLL_PWRGEN_CFG 0x00000014 + +#define REG_DSI_28nm_PHY_PLL_DMUX_CFG 0x00000018 + +#define REG_DSI_28nm_PHY_PLL_AMUX_CFG 0x0000001c + +#define REG_DSI_28nm_PHY_PLL_GLB_CFG 0x00000020 +#define DSI_28nm_PHY_PLL_GLB_CFG_PLL_PWRDN_B 0x00000001 +#define DSI_28nm_PHY_PLL_GLB_CFG_PLL_LDO_PWRDN_B 0x00000002 +#define DSI_28nm_PHY_PLL_GLB_CFG_PLL_PWRGEN_PWRDN_B 0x00000004 +#define DSI_28nm_PHY_PLL_GLB_CFG_PLL_ENABLE 0x00000008 + +#define REG_DSI_28nm_PHY_PLL_POSTDIV2_CFG 0x00000024 + +#define REG_DSI_28nm_PHY_PLL_POSTDIV3_CFG 0x00000028 + +#define REG_DSI_28nm_PHY_PLL_LPFR_CFG 0x0000002c + +#define REG_DSI_28nm_PHY_PLL_LPFC1_CFG 0x00000030 + +#define REG_DSI_28nm_PHY_PLL_LPFC2_CFG 0x00000034 + +#define REG_DSI_28nm_PHY_PLL_SDM_CFG0 0x00000038 +#define DSI_28nm_PHY_PLL_SDM_CFG0_BYP_DIV__MASK 0x0000003f +#define DSI_28nm_PHY_PLL_SDM_CFG0_BYP_DIV__SHIFT 0 +static inline uint32_t DSI_28nm_PHY_PLL_SDM_CFG0_BYP_DIV(uint32_t val) +{ + return ((val) << DSI_28nm_PHY_PLL_SDM_CFG0_BYP_DIV__SHIFT) & DSI_28nm_PHY_PLL_SDM_CFG0_BYP_DIV__MASK; +} +#define DSI_28nm_PHY_PLL_SDM_CFG0_BYP 0x00000040 + +#define REG_DSI_28nm_PHY_PLL_SDM_CFG1 0x0000003c +#define DSI_28nm_PHY_PLL_SDM_CFG1_DC_OFFSET__MASK 0x0000003f +#define DSI_28nm_PHY_PLL_SDM_CFG1_DC_OFFSET__SHIFT 0 +static inline uint32_t DSI_28nm_PHY_PLL_SDM_CFG1_DC_OFFSET(uint32_t val) +{ + return ((val) << DSI_28nm_PHY_PLL_SDM_CFG1_DC_OFFSET__SHIFT) & DSI_28nm_PHY_PLL_SDM_CFG1_DC_OFFSET__MASK; +} +#define DSI_28nm_PHY_PLL_SDM_CFG1_DITHER_EN__MASK 0x00000040 +#define DSI_28nm_PHY_PLL_SDM_CFG1_DITHER_EN__SHIFT 6 +static inline uint32_t DSI_28nm_PHY_PLL_SDM_CFG1_DITHER_EN(uint32_t val) +{ + return ((val) << DSI_28nm_PHY_PLL_SDM_CFG1_DITHER_EN__SHIFT) & DSI_28nm_PHY_PLL_SDM_CFG1_DITHER_EN__MASK; +} + +#define REG_DSI_28nm_PHY_PLL_SDM_CFG2 0x00000040 +#define DSI_28nm_PHY_PLL_SDM_CFG2_FREQ_SEED_7_0__MASK 0x000000ff +#define DSI_28nm_PHY_PLL_SDM_CFG2_FREQ_SEED_7_0__SHIFT 0 +static inline uint32_t DSI_28nm_PHY_PLL_SDM_CFG2_FREQ_SEED_7_0(uint32_t val) +{ + return ((val) << DSI_28nm_PHY_PLL_SDM_CFG2_FREQ_SEED_7_0__SHIFT) & DSI_28nm_PHY_PLL_SDM_CFG2_FREQ_SEED_7_0__MASK; +} + +#define REG_DSI_28nm_PHY_PLL_SDM_CFG3 0x00000044 +#define DSI_28nm_PHY_PLL_SDM_CFG3_FREQ_SEED_15_8__MASK 0x000000ff +#define DSI_28nm_PHY_PLL_SDM_CFG3_FREQ_SEED_15_8__SHIFT 0 +static inline uint32_t DSI_28nm_PHY_PLL_SDM_CFG3_FREQ_SEED_15_8(uint32_t val) +{ + return ((val) << DSI_28nm_PHY_PLL_SDM_CFG3_FREQ_SEED_15_8__SHIFT) & DSI_28nm_PHY_PLL_SDM_CFG3_FREQ_SEED_15_8__MASK; +} + +#define REG_DSI_28nm_PHY_PLL_SDM_CFG4 0x00000048 + +#define REG_DSI_28nm_PHY_PLL_SSC_CFG0 0x0000004c + +#define REG_DSI_28nm_PHY_PLL_SSC_CFG1 0x00000050 + +#define REG_DSI_28nm_PHY_PLL_SSC_CFG2 0x00000054 + +#define REG_DSI_28nm_PHY_PLL_SSC_CFG3 0x00000058 + +#define REG_DSI_28nm_PHY_PLL_LKDET_CFG0 0x0000005c + +#define REG_DSI_28nm_PHY_PLL_LKDET_CFG1 0x00000060 + +#define REG_DSI_28nm_PHY_PLL_LKDET_CFG2 0x00000064 + +#define REG_DSI_28nm_PHY_PLL_TEST_CFG 0x00000068 +#define DSI_28nm_PHY_PLL_TEST_CFG_PLL_SW_RESET 0x00000001 + +#define REG_DSI_28nm_PHY_PLL_CAL_CFG0 0x0000006c + +#define REG_DSI_28nm_PHY_PLL_CAL_CFG1 0x00000070 + +#define REG_DSI_28nm_PHY_PLL_CAL_CFG2 0x00000074 + +#define REG_DSI_28nm_PHY_PLL_CAL_CFG3 0x00000078 + +#define REG_DSI_28nm_PHY_PLL_CAL_CFG4 0x0000007c + +#define REG_DSI_28nm_PHY_PLL_CAL_CFG5 0x00000080 + +#define REG_DSI_28nm_PHY_PLL_CAL_CFG6 0x00000084 + +#define REG_DSI_28nm_PHY_PLL_CAL_CFG7 0x00000088 + +#define REG_DSI_28nm_PHY_PLL_CAL_CFG8 0x0000008c + +#define REG_DSI_28nm_PHY_PLL_CAL_CFG9 0x00000090 + +#define REG_DSI_28nm_PHY_PLL_CAL_CFG10 0x00000094 + +#define REG_DSI_28nm_PHY_PLL_CAL_CFG11 0x00000098 + +#define REG_DSI_28nm_PHY_PLL_EFUSE_CFG 0x0000009c + +#define REG_DSI_28nm_PHY_PLL_DEBUG_BUS_SEL 0x000000a0 + +#define REG_DSI_28nm_PHY_PLL_CTRL_42 0x000000a4 + +#define REG_DSI_28nm_PHY_PLL_CTRL_43 0x000000a8 + +#define REG_DSI_28nm_PHY_PLL_CTRL_44 0x000000ac + +#define REG_DSI_28nm_PHY_PLL_CTRL_45 0x000000b0 + +#define REG_DSI_28nm_PHY_PLL_CTRL_46 0x000000b4 + +#define REG_DSI_28nm_PHY_PLL_CTRL_47 0x000000b8 + +#define REG_DSI_28nm_PHY_PLL_CTRL_48 0x000000bc + +#define REG_DSI_28nm_PHY_PLL_STATUS 0x000000c0 +#define DSI_28nm_PHY_PLL_STATUS_PLL_RDY 0x00000001 + +#define REG_DSI_28nm_PHY_PLL_DEBUG_BUS0 0x000000c4 + +#define REG_DSI_28nm_PHY_PLL_DEBUG_BUS1 0x000000c8 + +#define REG_DSI_28nm_PHY_PLL_DEBUG_BUS2 0x000000cc + +#define REG_DSI_28nm_PHY_PLL_DEBUG_BUS3 0x000000d0 + +#define REG_DSI_28nm_PHY_PLL_CTRL_54 0x000000d4 + +static inline uint32_t REG_DSI_20nm_PHY_LN(uint32_t i0) { return 0x00000000 + 0x40*i0; } + +static inline uint32_t REG_DSI_20nm_PHY_LN_CFG_0(uint32_t i0) { return 0x00000000 + 0x40*i0; } + +static inline uint32_t REG_DSI_20nm_PHY_LN_CFG_1(uint32_t i0) { return 0x00000004 + 0x40*i0; } + +static inline uint32_t REG_DSI_20nm_PHY_LN_CFG_2(uint32_t i0) { return 0x00000008 + 0x40*i0; } + +static inline uint32_t REG_DSI_20nm_PHY_LN_CFG_3(uint32_t i0) { return 0x0000000c + 0x40*i0; } + +static inline uint32_t REG_DSI_20nm_PHY_LN_CFG_4(uint32_t i0) { return 0x00000010 + 0x40*i0; } + +static inline uint32_t REG_DSI_20nm_PHY_LN_TEST_DATAPATH(uint32_t i0) { return 0x00000014 + 0x40*i0; } + +static inline uint32_t REG_DSI_20nm_PHY_LN_DEBUG_SEL(uint32_t i0) { return 0x00000018 + 0x40*i0; } + +static inline uint32_t REG_DSI_20nm_PHY_LN_TEST_STR_0(uint32_t i0) { return 0x0000001c + 0x40*i0; } + +static inline uint32_t REG_DSI_20nm_PHY_LN_TEST_STR_1(uint32_t i0) { return 0x00000020 + 0x40*i0; } + +#define REG_DSI_20nm_PHY_LNCK_CFG_0 0x00000100 + +#define REG_DSI_20nm_PHY_LNCK_CFG_1 0x00000104 + +#define REG_DSI_20nm_PHY_LNCK_CFG_2 0x00000108 + +#define REG_DSI_20nm_PHY_LNCK_CFG_3 0x0000010c + +#define REG_DSI_20nm_PHY_LNCK_CFG_4 0x00000110 + +#define REG_DSI_20nm_PHY_LNCK_TEST_DATAPATH 0x00000114 + +#define REG_DSI_20nm_PHY_LNCK_DEBUG_SEL 0x00000118 + +#define REG_DSI_20nm_PHY_LNCK_TEST_STR0 0x0000011c + +#define REG_DSI_20nm_PHY_LNCK_TEST_STR1 0x00000120 + +#define REG_DSI_20nm_PHY_TIMING_CTRL_0 0x00000140 +#define DSI_20nm_PHY_TIMING_CTRL_0_CLK_ZERO__MASK 0x000000ff +#define DSI_20nm_PHY_TIMING_CTRL_0_CLK_ZERO__SHIFT 0 +static inline uint32_t DSI_20nm_PHY_TIMING_CTRL_0_CLK_ZERO(uint32_t val) +{ + return ((val) << DSI_20nm_PHY_TIMING_CTRL_0_CLK_ZERO__SHIFT) & DSI_20nm_PHY_TIMING_CTRL_0_CLK_ZERO__MASK; +} + +#define REG_DSI_20nm_PHY_TIMING_CTRL_1 0x00000144 +#define DSI_20nm_PHY_TIMING_CTRL_1_CLK_TRAIL__MASK 0x000000ff +#define DSI_20nm_PHY_TIMING_CTRL_1_CLK_TRAIL__SHIFT 0 +static inline uint32_t DSI_20nm_PHY_TIMING_CTRL_1_CLK_TRAIL(uint32_t val) +{ + return ((val) << DSI_20nm_PHY_TIMING_CTRL_1_CLK_TRAIL__SHIFT) & DSI_20nm_PHY_TIMING_CTRL_1_CLK_TRAIL__MASK; +} + +#define REG_DSI_20nm_PHY_TIMING_CTRL_2 0x00000148 +#define DSI_20nm_PHY_TIMING_CTRL_2_CLK_PREPARE__MASK 0x000000ff +#define DSI_20nm_PHY_TIMING_CTRL_2_CLK_PREPARE__SHIFT 0 +static inline uint32_t DSI_20nm_PHY_TIMING_CTRL_2_CLK_PREPARE(uint32_t val) +{ + return ((val) << DSI_20nm_PHY_TIMING_CTRL_2_CLK_PREPARE__SHIFT) & DSI_20nm_PHY_TIMING_CTRL_2_CLK_PREPARE__MASK; +} + +#define REG_DSI_20nm_PHY_TIMING_CTRL_3 0x0000014c +#define DSI_20nm_PHY_TIMING_CTRL_3_CLK_ZERO_8 0x00000001 + +#define REG_DSI_20nm_PHY_TIMING_CTRL_4 0x00000150 +#define DSI_20nm_PHY_TIMING_CTRL_4_HS_EXIT__MASK 0x000000ff +#define DSI_20nm_PHY_TIMING_CTRL_4_HS_EXIT__SHIFT 0 +static inline uint32_t DSI_20nm_PHY_TIMING_CTRL_4_HS_EXIT(uint32_t val) +{ + return ((val) << DSI_20nm_PHY_TIMING_CTRL_4_HS_EXIT__SHIFT) & DSI_20nm_PHY_TIMING_CTRL_4_HS_EXIT__MASK; +} + +#define REG_DSI_20nm_PHY_TIMING_CTRL_5 0x00000154 +#define DSI_20nm_PHY_TIMING_CTRL_5_HS_ZERO__MASK 0x000000ff +#define DSI_20nm_PHY_TIMING_CTRL_5_HS_ZERO__SHIFT 0 +static inline uint32_t DSI_20nm_PHY_TIMING_CTRL_5_HS_ZERO(uint32_t val) +{ + return ((val) << DSI_20nm_PHY_TIMING_CTRL_5_HS_ZERO__SHIFT) & DSI_20nm_PHY_TIMING_CTRL_5_HS_ZERO__MASK; +} + +#define REG_DSI_20nm_PHY_TIMING_CTRL_6 0x00000158 +#define DSI_20nm_PHY_TIMING_CTRL_6_HS_PREPARE__MASK 0x000000ff +#define DSI_20nm_PHY_TIMING_CTRL_6_HS_PREPARE__SHIFT 0 +static inline uint32_t DSI_20nm_PHY_TIMING_CTRL_6_HS_PREPARE(uint32_t val) +{ + return ((val) << DSI_20nm_PHY_TIMING_CTRL_6_HS_PREPARE__SHIFT) & DSI_20nm_PHY_TIMING_CTRL_6_HS_PREPARE__MASK; +} + +#define REG_DSI_20nm_PHY_TIMING_CTRL_7 0x0000015c +#define DSI_20nm_PHY_TIMING_CTRL_7_HS_TRAIL__MASK 0x000000ff +#define DSI_20nm_PHY_TIMING_CTRL_7_HS_TRAIL__SHIFT 0 +static inline uint32_t DSI_20nm_PHY_TIMING_CTRL_7_HS_TRAIL(uint32_t val) +{ + return ((val) << DSI_20nm_PHY_TIMING_CTRL_7_HS_TRAIL__SHIFT) & DSI_20nm_PHY_TIMING_CTRL_7_HS_TRAIL__MASK; +} + +#define REG_DSI_20nm_PHY_TIMING_CTRL_8 0x00000160 +#define DSI_20nm_PHY_TIMING_CTRL_8_HS_RQST__MASK 0x000000ff +#define DSI_20nm_PHY_TIMING_CTRL_8_HS_RQST__SHIFT 0 +static inline uint32_t DSI_20nm_PHY_TIMING_CTRL_8_HS_RQST(uint32_t val) +{ + return ((val) << DSI_20nm_PHY_TIMING_CTRL_8_HS_RQST__SHIFT) & DSI_20nm_PHY_TIMING_CTRL_8_HS_RQST__MASK; +} + +#define REG_DSI_20nm_PHY_TIMING_CTRL_9 0x00000164 +#define DSI_20nm_PHY_TIMING_CTRL_9_TA_GO__MASK 0x00000007 +#define DSI_20nm_PHY_TIMING_CTRL_9_TA_GO__SHIFT 0 +static inline uint32_t DSI_20nm_PHY_TIMING_CTRL_9_TA_GO(uint32_t val) +{ + return ((val) << DSI_20nm_PHY_TIMING_CTRL_9_TA_GO__SHIFT) & DSI_20nm_PHY_TIMING_CTRL_9_TA_GO__MASK; +} +#define DSI_20nm_PHY_TIMING_CTRL_9_TA_SURE__MASK 0x00000070 +#define DSI_20nm_PHY_TIMING_CTRL_9_TA_SURE__SHIFT 4 +static inline uint32_t DSI_20nm_PHY_TIMING_CTRL_9_TA_SURE(uint32_t val) +{ + return ((val) << DSI_20nm_PHY_TIMING_CTRL_9_TA_SURE__SHIFT) & DSI_20nm_PHY_TIMING_CTRL_9_TA_SURE__MASK; +} + +#define REG_DSI_20nm_PHY_TIMING_CTRL_10 0x00000168 +#define DSI_20nm_PHY_TIMING_CTRL_10_TA_GET__MASK 0x00000007 +#define DSI_20nm_PHY_TIMING_CTRL_10_TA_GET__SHIFT 0 +static inline uint32_t DSI_20nm_PHY_TIMING_CTRL_10_TA_GET(uint32_t val) +{ + return ((val) << DSI_20nm_PHY_TIMING_CTRL_10_TA_GET__SHIFT) & DSI_20nm_PHY_TIMING_CTRL_10_TA_GET__MASK; +} + +#define REG_DSI_20nm_PHY_TIMING_CTRL_11 0x0000016c +#define DSI_20nm_PHY_TIMING_CTRL_11_TRIG3_CMD__MASK 0x000000ff +#define DSI_20nm_PHY_TIMING_CTRL_11_TRIG3_CMD__SHIFT 0 +static inline uint32_t DSI_20nm_PHY_TIMING_CTRL_11_TRIG3_CMD(uint32_t val) +{ + return ((val) << DSI_20nm_PHY_TIMING_CTRL_11_TRIG3_CMD__SHIFT) & DSI_20nm_PHY_TIMING_CTRL_11_TRIG3_CMD__MASK; +} + +#define REG_DSI_20nm_PHY_CTRL_0 0x00000170 + +#define REG_DSI_20nm_PHY_CTRL_1 0x00000174 + +#define REG_DSI_20nm_PHY_CTRL_2 0x00000178 + +#define REG_DSI_20nm_PHY_CTRL_3 0x0000017c + +#define REG_DSI_20nm_PHY_CTRL_4 0x00000180 + +#define REG_DSI_20nm_PHY_STRENGTH_0 0x00000184 + +#define REG_DSI_20nm_PHY_STRENGTH_1 0x00000188 + +#define REG_DSI_20nm_PHY_BIST_CTRL_0 0x000001b4 + +#define REG_DSI_20nm_PHY_BIST_CTRL_1 0x000001b8 + +#define REG_DSI_20nm_PHY_BIST_CTRL_2 0x000001bc + +#define REG_DSI_20nm_PHY_BIST_CTRL_3 0x000001c0 + +#define REG_DSI_20nm_PHY_BIST_CTRL_4 0x000001c4 + +#define REG_DSI_20nm_PHY_BIST_CTRL_5 0x000001c8 + +#define REG_DSI_20nm_PHY_GLBL_TEST_CTRL 0x000001d4 +#define DSI_20nm_PHY_GLBL_TEST_CTRL_BITCLK_HS_SEL 0x00000001 + +#define REG_DSI_20nm_PHY_LDO_CNTRL 0x000001dc + +#define REG_DSI_20nm_PHY_REGULATOR_CTRL_0 0x00000000 + +#define REG_DSI_20nm_PHY_REGULATOR_CTRL_1 0x00000004 + +#define REG_DSI_20nm_PHY_REGULATOR_CTRL_2 0x00000008 + +#define REG_DSI_20nm_PHY_REGULATOR_CTRL_3 0x0000000c + +#define REG_DSI_20nm_PHY_REGULATOR_CTRL_4 0x00000010 + +#define REG_DSI_20nm_PHY_REGULATOR_CTRL_5 0x00000014 + +#define REG_DSI_20nm_PHY_REGULATOR_CAL_PWR_CFG 0x00000018 + +#define REG_DSI_14nm_PHY_CMN_REVISION_ID0 0x00000000 + +#define REG_DSI_14nm_PHY_CMN_REVISION_ID1 0x00000004 + +#define REG_DSI_14nm_PHY_CMN_REVISION_ID2 0x00000008 + +#define REG_DSI_14nm_PHY_CMN_REVISION_ID3 0x0000000c + +#define REG_DSI_14nm_PHY_CMN_CLK_CFG0 0x00000010 +#define DSI_14nm_PHY_CMN_CLK_CFG0_DIV_CTRL_3_0__MASK 0x000000f0 +#define DSI_14nm_PHY_CMN_CLK_CFG0_DIV_CTRL_3_0__SHIFT 4 +static inline uint32_t DSI_14nm_PHY_CMN_CLK_CFG0_DIV_CTRL_3_0(uint32_t val) +{ + return ((val) << DSI_14nm_PHY_CMN_CLK_CFG0_DIV_CTRL_3_0__SHIFT) & DSI_14nm_PHY_CMN_CLK_CFG0_DIV_CTRL_3_0__MASK; +} +#define DSI_14nm_PHY_CMN_CLK_CFG0_DIV_CTRL_7_4__MASK 0x000000f0 +#define DSI_14nm_PHY_CMN_CLK_CFG0_DIV_CTRL_7_4__SHIFT 4 +static inline uint32_t DSI_14nm_PHY_CMN_CLK_CFG0_DIV_CTRL_7_4(uint32_t val) +{ + return ((val) << DSI_14nm_PHY_CMN_CLK_CFG0_DIV_CTRL_7_4__SHIFT) & DSI_14nm_PHY_CMN_CLK_CFG0_DIV_CTRL_7_4__MASK; +} + +#define REG_DSI_14nm_PHY_CMN_CLK_CFG1 0x00000014 +#define DSI_14nm_PHY_CMN_CLK_CFG1_DSICLK_SEL 0x00000001 + +#define REG_DSI_14nm_PHY_CMN_GLBL_TEST_CTRL 0x00000018 +#define DSI_14nm_PHY_CMN_GLBL_TEST_CTRL_BITCLK_HS_SEL 0x00000004 + +#define REG_DSI_14nm_PHY_CMN_CTRL_0 0x0000001c + +#define REG_DSI_14nm_PHY_CMN_CTRL_1 0x00000020 + +#define REG_DSI_14nm_PHY_CMN_HW_TRIGGER 0x00000024 + +#define REG_DSI_14nm_PHY_CMN_SW_CFG0 0x00000028 + +#define REG_DSI_14nm_PHY_CMN_SW_CFG1 0x0000002c + +#define REG_DSI_14nm_PHY_CMN_SW_CFG2 0x00000030 + +#define REG_DSI_14nm_PHY_CMN_HW_CFG0 0x00000034 + +#define REG_DSI_14nm_PHY_CMN_HW_CFG1 0x00000038 + +#define REG_DSI_14nm_PHY_CMN_HW_CFG2 0x0000003c + +#define REG_DSI_14nm_PHY_CMN_HW_CFG3 0x00000040 + +#define REG_DSI_14nm_PHY_CMN_HW_CFG4 0x00000044 + +#define REG_DSI_14nm_PHY_CMN_PLL_CNTRL 0x00000048 +#define DSI_14nm_PHY_CMN_PLL_CNTRL_PLL_START 0x00000001 + +#define REG_DSI_14nm_PHY_CMN_LDO_CNTRL 0x0000004c +#define DSI_14nm_PHY_CMN_LDO_CNTRL_VREG_CTRL__MASK 0x0000003f +#define DSI_14nm_PHY_CMN_LDO_CNTRL_VREG_CTRL__SHIFT 0 +static inline uint32_t DSI_14nm_PHY_CMN_LDO_CNTRL_VREG_CTRL(uint32_t val) +{ + return ((val) << DSI_14nm_PHY_CMN_LDO_CNTRL_VREG_CTRL__SHIFT) & DSI_14nm_PHY_CMN_LDO_CNTRL_VREG_CTRL__MASK; +} + +static inline uint32_t REG_DSI_14nm_PHY_LN(uint32_t i0) { return 0x00000000 + 0x80*i0; } + +static inline uint32_t REG_DSI_14nm_PHY_LN_CFG0(uint32_t i0) { return 0x00000000 + 0x80*i0; } +#define DSI_14nm_PHY_LN_CFG0_PREPARE_DLY__MASK 0x000000c0 +#define DSI_14nm_PHY_LN_CFG0_PREPARE_DLY__SHIFT 6 +static inline uint32_t DSI_14nm_PHY_LN_CFG0_PREPARE_DLY(uint32_t val) +{ + return ((val) << DSI_14nm_PHY_LN_CFG0_PREPARE_DLY__SHIFT) & DSI_14nm_PHY_LN_CFG0_PREPARE_DLY__MASK; +} + +static inline uint32_t REG_DSI_14nm_PHY_LN_CFG1(uint32_t i0) { return 0x00000004 + 0x80*i0; } +#define DSI_14nm_PHY_LN_CFG1_HALFBYTECLK_EN 0x00000001 + +static inline uint32_t REG_DSI_14nm_PHY_LN_CFG2(uint32_t i0) { return 0x00000008 + 0x80*i0; } + +static inline uint32_t REG_DSI_14nm_PHY_LN_CFG3(uint32_t i0) { return 0x0000000c + 0x80*i0; } + +static inline uint32_t REG_DSI_14nm_PHY_LN_TEST_DATAPATH(uint32_t i0) { return 0x00000010 + 0x80*i0; } + +static inline uint32_t REG_DSI_14nm_PHY_LN_TEST_STR(uint32_t i0) { return 0x00000014 + 0x80*i0; } + +static inline uint32_t REG_DSI_14nm_PHY_LN_TIMING_CTRL_4(uint32_t i0) { return 0x00000018 + 0x80*i0; } +#define DSI_14nm_PHY_LN_TIMING_CTRL_4_HS_EXIT__MASK 0x000000ff +#define DSI_14nm_PHY_LN_TIMING_CTRL_4_HS_EXIT__SHIFT 0 +static inline uint32_t DSI_14nm_PHY_LN_TIMING_CTRL_4_HS_EXIT(uint32_t val) +{ + return ((val) << DSI_14nm_PHY_LN_TIMING_CTRL_4_HS_EXIT__SHIFT) & DSI_14nm_PHY_LN_TIMING_CTRL_4_HS_EXIT__MASK; +} + +static inline uint32_t REG_DSI_14nm_PHY_LN_TIMING_CTRL_5(uint32_t i0) { return 0x0000001c + 0x80*i0; } +#define DSI_14nm_PHY_LN_TIMING_CTRL_5_HS_ZERO__MASK 0x000000ff +#define DSI_14nm_PHY_LN_TIMING_CTRL_5_HS_ZERO__SHIFT 0 +static inline uint32_t DSI_14nm_PHY_LN_TIMING_CTRL_5_HS_ZERO(uint32_t val) +{ + return ((val) << DSI_14nm_PHY_LN_TIMING_CTRL_5_HS_ZERO__SHIFT) & DSI_14nm_PHY_LN_TIMING_CTRL_5_HS_ZERO__MASK; +} + +static inline uint32_t REG_DSI_14nm_PHY_LN_TIMING_CTRL_6(uint32_t i0) { return 0x00000020 + 0x80*i0; } +#define DSI_14nm_PHY_LN_TIMING_CTRL_6_HS_PREPARE__MASK 0x000000ff +#define DSI_14nm_PHY_LN_TIMING_CTRL_6_HS_PREPARE__SHIFT 0 +static inline uint32_t DSI_14nm_PHY_LN_TIMING_CTRL_6_HS_PREPARE(uint32_t val) +{ + return ((val) << DSI_14nm_PHY_LN_TIMING_CTRL_6_HS_PREPARE__SHIFT) & DSI_14nm_PHY_LN_TIMING_CTRL_6_HS_PREPARE__MASK; +} + +static inline uint32_t REG_DSI_14nm_PHY_LN_TIMING_CTRL_7(uint32_t i0) { return 0x00000024 + 0x80*i0; } +#define DSI_14nm_PHY_LN_TIMING_CTRL_7_HS_TRAIL__MASK 0x000000ff +#define DSI_14nm_PHY_LN_TIMING_CTRL_7_HS_TRAIL__SHIFT 0 +static inline uint32_t DSI_14nm_PHY_LN_TIMING_CTRL_7_HS_TRAIL(uint32_t val) +{ + return ((val) << DSI_14nm_PHY_LN_TIMING_CTRL_7_HS_TRAIL__SHIFT) & DSI_14nm_PHY_LN_TIMING_CTRL_7_HS_TRAIL__MASK; +} + +static inline uint32_t REG_DSI_14nm_PHY_LN_TIMING_CTRL_8(uint32_t i0) { return 0x00000028 + 0x80*i0; } +#define DSI_14nm_PHY_LN_TIMING_CTRL_8_HS_RQST__MASK 0x000000ff +#define DSI_14nm_PHY_LN_TIMING_CTRL_8_HS_RQST__SHIFT 0 +static inline uint32_t DSI_14nm_PHY_LN_TIMING_CTRL_8_HS_RQST(uint32_t val) +{ + return ((val) << DSI_14nm_PHY_LN_TIMING_CTRL_8_HS_RQST__SHIFT) & DSI_14nm_PHY_LN_TIMING_CTRL_8_HS_RQST__MASK; +} + +static inline uint32_t REG_DSI_14nm_PHY_LN_TIMING_CTRL_9(uint32_t i0) { return 0x0000002c + 0x80*i0; } +#define DSI_14nm_PHY_LN_TIMING_CTRL_9_TA_GO__MASK 0x00000007 +#define DSI_14nm_PHY_LN_TIMING_CTRL_9_TA_GO__SHIFT 0 +static inline uint32_t DSI_14nm_PHY_LN_TIMING_CTRL_9_TA_GO(uint32_t val) +{ + return ((val) << DSI_14nm_PHY_LN_TIMING_CTRL_9_TA_GO__SHIFT) & DSI_14nm_PHY_LN_TIMING_CTRL_9_TA_GO__MASK; +} +#define DSI_14nm_PHY_LN_TIMING_CTRL_9_TA_SURE__MASK 0x00000070 +#define DSI_14nm_PHY_LN_TIMING_CTRL_9_TA_SURE__SHIFT 4 +static inline uint32_t DSI_14nm_PHY_LN_TIMING_CTRL_9_TA_SURE(uint32_t val) +{ + return ((val) << DSI_14nm_PHY_LN_TIMING_CTRL_9_TA_SURE__SHIFT) & DSI_14nm_PHY_LN_TIMING_CTRL_9_TA_SURE__MASK; +} + +static inline uint32_t REG_DSI_14nm_PHY_LN_TIMING_CTRL_10(uint32_t i0) { return 0x00000030 + 0x80*i0; } +#define DSI_14nm_PHY_LN_TIMING_CTRL_10_TA_GET__MASK 0x00000007 +#define DSI_14nm_PHY_LN_TIMING_CTRL_10_TA_GET__SHIFT 0 +static inline uint32_t DSI_14nm_PHY_LN_TIMING_CTRL_10_TA_GET(uint32_t val) +{ + return ((val) << DSI_14nm_PHY_LN_TIMING_CTRL_10_TA_GET__SHIFT) & DSI_14nm_PHY_LN_TIMING_CTRL_10_TA_GET__MASK; +} + +static inline uint32_t REG_DSI_14nm_PHY_LN_TIMING_CTRL_11(uint32_t i0) { return 0x00000034 + 0x80*i0; } +#define DSI_14nm_PHY_LN_TIMING_CTRL_11_TRIG3_CMD__MASK 0x000000ff +#define DSI_14nm_PHY_LN_TIMING_CTRL_11_TRIG3_CMD__SHIFT 0 +static inline uint32_t DSI_14nm_PHY_LN_TIMING_CTRL_11_TRIG3_CMD(uint32_t val) +{ + return ((val) << DSI_14nm_PHY_LN_TIMING_CTRL_11_TRIG3_CMD__SHIFT) & DSI_14nm_PHY_LN_TIMING_CTRL_11_TRIG3_CMD__MASK; +} + +static inline uint32_t REG_DSI_14nm_PHY_LN_STRENGTH_CTRL_0(uint32_t i0) { return 0x00000038 + 0x80*i0; } + +static inline uint32_t REG_DSI_14nm_PHY_LN_STRENGTH_CTRL_1(uint32_t i0) { return 0x0000003c + 0x80*i0; } + +static inline uint32_t REG_DSI_14nm_PHY_LN_VREG_CNTRL(uint32_t i0) { return 0x00000064 + 0x80*i0; } + +#define REG_DSI_14nm_PHY_PLL_IE_TRIM 0x00000000 + +#define REG_DSI_14nm_PHY_PLL_IP_TRIM 0x00000004 + +#define REG_DSI_14nm_PHY_PLL_IPTAT_TRIM 0x00000010 + +#define REG_DSI_14nm_PHY_PLL_CLKBUFLR_EN 0x0000001c + +#define REG_DSI_14nm_PHY_PLL_SYSCLK_EN_RESET 0x00000028 + +#define REG_DSI_14nm_PHY_PLL_RESETSM_CNTRL 0x0000002c + +#define REG_DSI_14nm_PHY_PLL_RESETSM_CNTRL2 0x00000030 + +#define REG_DSI_14nm_PHY_PLL_RESETSM_CNTRL3 0x00000034 + +#define REG_DSI_14nm_PHY_PLL_RESETSM_CNTRL4 0x00000038 + +#define REG_DSI_14nm_PHY_PLL_RESETSM_CNTRL5 0x0000003c + +#define REG_DSI_14nm_PHY_PLL_KVCO_DIV_REF1 0x00000040 + +#define REG_DSI_14nm_PHY_PLL_KVCO_DIV_REF2 0x00000044 + +#define REG_DSI_14nm_PHY_PLL_KVCO_COUNT1 0x00000048 + +#define REG_DSI_14nm_PHY_PLL_KVCO_COUNT2 0x0000004c + +#define REG_DSI_14nm_PHY_PLL_VREF_CFG1 0x0000005c + +#define REG_DSI_14nm_PHY_PLL_KVCO_CODE 0x00000058 + +#define REG_DSI_14nm_PHY_PLL_VCO_DIV_REF1 0x0000006c + +#define REG_DSI_14nm_PHY_PLL_VCO_DIV_REF2 0x00000070 + +#define REG_DSI_14nm_PHY_PLL_VCO_COUNT1 0x00000074 + +#define REG_DSI_14nm_PHY_PLL_VCO_COUNT2 0x00000078 + +#define REG_DSI_14nm_PHY_PLL_PLLLOCK_CMP1 0x0000007c + +#define REG_DSI_14nm_PHY_PLL_PLLLOCK_CMP2 0x00000080 + +#define REG_DSI_14nm_PHY_PLL_PLLLOCK_CMP3 0x00000084 + +#define REG_DSI_14nm_PHY_PLL_PLLLOCK_CMP_EN 0x00000088 + +#define REG_DSI_14nm_PHY_PLL_PLL_VCO_TUNE 0x0000008c + +#define REG_DSI_14nm_PHY_PLL_DEC_START 0x00000090 + +#define REG_DSI_14nm_PHY_PLL_SSC_EN_CENTER 0x00000094 + +#define REG_DSI_14nm_PHY_PLL_SSC_ADJ_PER1 0x00000098 + +#define REG_DSI_14nm_PHY_PLL_SSC_ADJ_PER2 0x0000009c + +#define REG_DSI_14nm_PHY_PLL_SSC_PER1 0x000000a0 + +#define REG_DSI_14nm_PHY_PLL_SSC_PER2 0x000000a4 + +#define REG_DSI_14nm_PHY_PLL_SSC_STEP_SIZE1 0x000000a8 + +#define REG_DSI_14nm_PHY_PLL_SSC_STEP_SIZE2 0x000000ac + +#define REG_DSI_14nm_PHY_PLL_DIV_FRAC_START1 0x000000b4 + +#define REG_DSI_14nm_PHY_PLL_DIV_FRAC_START2 0x000000b8 + +#define REG_DSI_14nm_PHY_PLL_DIV_FRAC_START3 0x000000bc + +#define REG_DSI_14nm_PHY_PLL_TXCLK_EN 0x000000c0 + +#define REG_DSI_14nm_PHY_PLL_PLL_CRCTRL 0x000000c4 + +#define REG_DSI_14nm_PHY_PLL_RESET_SM_READY_STATUS 0x000000cc + +#define REG_DSI_14nm_PHY_PLL_PLL_MISC1 0x000000e8 + +#define REG_DSI_14nm_PHY_PLL_CP_SET_CUR 0x000000f0 + +#define REG_DSI_14nm_PHY_PLL_PLL_ICPMSET 0x000000f4 + +#define REG_DSI_14nm_PHY_PLL_PLL_ICPCSET 0x000000f8 + +#define REG_DSI_14nm_PHY_PLL_PLL_ICP_SET 0x000000fc + +#define REG_DSI_14nm_PHY_PLL_PLL_LPF1 0x00000100 + +#define REG_DSI_14nm_PHY_PLL_PLL_LPF2_POSTDIV 0x00000104 + +#define REG_DSI_14nm_PHY_PLL_PLL_BANDGAP 0x00000108 + +#define REG_DSI_10nm_PHY_CMN_REVISION_ID0 0x00000000 + +#define REG_DSI_10nm_PHY_CMN_REVISION_ID1 0x00000004 + +#define REG_DSI_10nm_PHY_CMN_REVISION_ID2 0x00000008 + +#define REG_DSI_10nm_PHY_CMN_REVISION_ID3 0x0000000c + +#define REG_DSI_10nm_PHY_CMN_CLK_CFG0 0x00000010 + +#define REG_DSI_10nm_PHY_CMN_CLK_CFG1 0x00000014 + +#define REG_DSI_10nm_PHY_CMN_GLBL_CTRL 0x00000018 + +#define REG_DSI_10nm_PHY_CMN_RBUF_CTRL 0x0000001c + +#define REG_DSI_10nm_PHY_CMN_VREG_CTRL 0x00000020 + +#define REG_DSI_10nm_PHY_CMN_CTRL_0 0x00000024 + +#define REG_DSI_10nm_PHY_CMN_CTRL_1 0x00000028 + +#define REG_DSI_10nm_PHY_CMN_CTRL_2 0x0000002c + +#define REG_DSI_10nm_PHY_CMN_LANE_CFG0 0x00000030 + +#define REG_DSI_10nm_PHY_CMN_LANE_CFG1 0x00000034 + +#define REG_DSI_10nm_PHY_CMN_PLL_CNTRL 0x00000038 + +#define REG_DSI_10nm_PHY_CMN_LANE_CTRL0 0x00000098 + +#define REG_DSI_10nm_PHY_CMN_LANE_CTRL1 0x0000009c + +#define REG_DSI_10nm_PHY_CMN_LANE_CTRL2 0x000000a0 + +#define REG_DSI_10nm_PHY_CMN_LANE_CTRL3 0x000000a4 + +#define REG_DSI_10nm_PHY_CMN_LANE_CTRL4 0x000000a8 + +#define REG_DSI_10nm_PHY_CMN_TIMING_CTRL_0 0x000000ac + +#define REG_DSI_10nm_PHY_CMN_TIMING_CTRL_1 0x000000b0 + +#define REG_DSI_10nm_PHY_CMN_TIMING_CTRL_2 0x000000b4 + +#define REG_DSI_10nm_PHY_CMN_TIMING_CTRL_3 0x000000b8 + +#define REG_DSI_10nm_PHY_CMN_TIMING_CTRL_4 0x000000bc + +#define REG_DSI_10nm_PHY_CMN_TIMING_CTRL_5 0x000000c0 + +#define REG_DSI_10nm_PHY_CMN_TIMING_CTRL_6 0x000000c4 + +#define REG_DSI_10nm_PHY_CMN_TIMING_CTRL_7 0x000000c8 + +#define REG_DSI_10nm_PHY_CMN_TIMING_CTRL_8 0x000000cc + +#define REG_DSI_10nm_PHY_CMN_TIMING_CTRL_9 0x000000d0 + +#define REG_DSI_10nm_PHY_CMN_TIMING_CTRL_10 0x000000d4 + +#define REG_DSI_10nm_PHY_CMN_TIMING_CTRL_11 0x000000d8 + +#define REG_DSI_10nm_PHY_CMN_PHY_STATUS 0x000000ec + +#define REG_DSI_10nm_PHY_CMN_LANE_STATUS0 0x000000f4 + +#define REG_DSI_10nm_PHY_CMN_LANE_STATUS1 0x000000f8 + +static inline uint32_t REG_DSI_10nm_PHY_LN(uint32_t i0) { return 0x00000000 + 0x80*i0; } + +static inline uint32_t REG_DSI_10nm_PHY_LN_CFG0(uint32_t i0) { return 0x00000000 + 0x80*i0; } + +static inline uint32_t REG_DSI_10nm_PHY_LN_CFG1(uint32_t i0) { return 0x00000004 + 0x80*i0; } + +static inline uint32_t REG_DSI_10nm_PHY_LN_CFG2(uint32_t i0) { return 0x00000008 + 0x80*i0; } + +static inline uint32_t REG_DSI_10nm_PHY_LN_CFG3(uint32_t i0) { return 0x0000000c + 0x80*i0; } + +static inline uint32_t REG_DSI_10nm_PHY_LN_TEST_DATAPATH(uint32_t i0) { return 0x00000010 + 0x80*i0; } + +static inline uint32_t REG_DSI_10nm_PHY_LN_PIN_SWAP(uint32_t i0) { return 0x00000014 + 0x80*i0; } + +static inline uint32_t REG_DSI_10nm_PHY_LN_HSTX_STR_CTRL(uint32_t i0) { return 0x00000018 + 0x80*i0; } + +static inline uint32_t REG_DSI_10nm_PHY_LN_OFFSET_TOP_CTRL(uint32_t i0) { return 0x0000001c + 0x80*i0; } + +static inline uint32_t REG_DSI_10nm_PHY_LN_OFFSET_BOT_CTRL(uint32_t i0) { return 0x00000020 + 0x80*i0; } + +static inline uint32_t REG_DSI_10nm_PHY_LN_LPTX_STR_CTRL(uint32_t i0) { return 0x00000024 + 0x80*i0; } + +static inline uint32_t REG_DSI_10nm_PHY_LN_LPRX_CTRL(uint32_t i0) { return 0x00000028 + 0x80*i0; } + +static inline uint32_t REG_DSI_10nm_PHY_LN_TX_DCTRL(uint32_t i0) { return 0x0000002c + 0x80*i0; } + +#define REG_DSI_10nm_PHY_PLL_ANALOG_CONTROLS_ONE 0x00000000 + +#define REG_DSI_10nm_PHY_PLL_ANALOG_CONTROLS_TWO 0x00000004 + +#define REG_DSI_10nm_PHY_PLL_ANALOG_CONTROLS_THREE 0x00000010 + +#define REG_DSI_10nm_PHY_PLL_DSM_DIVIDER 0x0000001c + +#define REG_DSI_10nm_PHY_PLL_FEEDBACK_DIVIDER 0x00000020 + +#define REG_DSI_10nm_PHY_PLL_SYSTEM_MUXES 0x00000024 + +#define REG_DSI_10nm_PHY_PLL_CMODE 0x0000002c + +#define REG_DSI_10nm_PHY_PLL_CALIBRATION_SETTINGS 0x00000030 + +#define REG_DSI_10nm_PHY_PLL_BAND_SEL_CAL_SETTINGS_THREE 0x00000054 + +#define REG_DSI_10nm_PHY_PLL_FREQ_DETECT_SETTINGS_ONE 0x00000064 + +#define REG_DSI_10nm_PHY_PLL_PFILT 0x0000007c + +#define REG_DSI_10nm_PHY_PLL_IFILT 0x00000080 + +#define REG_DSI_10nm_PHY_PLL_OUTDIV 0x00000094 + +#define REG_DSI_10nm_PHY_PLL_CORE_OVERRIDE 0x000000a4 + +#define REG_DSI_10nm_PHY_PLL_CORE_INPUT_OVERRIDE 0x000000a8 + +#define REG_DSI_10nm_PHY_PLL_PLL_DIGITAL_TIMERS_TWO 0x000000b4 + +#define REG_DSI_10nm_PHY_PLL_DECIMAL_DIV_START_1 0x000000cc + +#define REG_DSI_10nm_PHY_PLL_FRAC_DIV_START_LOW_1 0x000000d0 + +#define REG_DSI_10nm_PHY_PLL_FRAC_DIV_START_MID_1 0x000000d4 + +#define REG_DSI_10nm_PHY_PLL_FRAC_DIV_START_HIGH_1 0x000000d8 + +#define REG_DSI_10nm_PHY_PLL_SSC_STEPSIZE_LOW_1 0x0000010c + +#define REG_DSI_10nm_PHY_PLL_SSC_STEPSIZE_HIGH_1 0x00000110 + +#define REG_DSI_10nm_PHY_PLL_SSC_DIV_PER_LOW_1 0x00000114 + +#define REG_DSI_10nm_PHY_PLL_SSC_DIV_PER_HIGH_1 0x00000118 + +#define REG_DSI_10nm_PHY_PLL_SSC_DIV_ADJPER_LOW_1 0x0000011c + +#define REG_DSI_10nm_PHY_PLL_SSC_DIV_ADJPER_HIGH_1 0x00000120 + +#define REG_DSI_10nm_PHY_PLL_SSC_CONTROL 0x0000013c + +#define REG_DSI_10nm_PHY_PLL_PLL_OUTDIV_RATE 0x00000140 + +#define REG_DSI_10nm_PHY_PLL_PLL_LOCKDET_RATE_1 0x00000144 + +#define REG_DSI_10nm_PHY_PLL_PLL_PROP_GAIN_RATE_1 0x0000014c + +#define REG_DSI_10nm_PHY_PLL_PLL_BAND_SET_RATE_1 0x00000154 + +#define REG_DSI_10nm_PHY_PLL_PLL_INT_GAIN_IFILT_BAND_1 0x0000015c + +#define REG_DSI_10nm_PHY_PLL_PLL_FL_INT_GAIN_PFILT_BAND_1 0x00000164 + +#define REG_DSI_10nm_PHY_PLL_PLL_LOCK_OVERRIDE 0x00000180 + +#define REG_DSI_10nm_PHY_PLL_PLL_LOCK_DELAY 0x00000184 + +#define REG_DSI_10nm_PHY_PLL_CLOCK_INVERTERS 0x0000018c + +#define REG_DSI_10nm_PHY_PLL_COMMON_STATUS_ONE 0x000001a0 + +#define REG_DSI_7nm_PHY_CMN_REVISION_ID0 0x00000000 + +#define REG_DSI_7nm_PHY_CMN_REVISION_ID1 0x00000004 + +#define REG_DSI_7nm_PHY_CMN_REVISION_ID2 0x00000008 + +#define REG_DSI_7nm_PHY_CMN_REVISION_ID3 0x0000000c + +#define REG_DSI_7nm_PHY_CMN_CLK_CFG0 0x00000010 + +#define REG_DSI_7nm_PHY_CMN_CLK_CFG1 0x00000014 + +#define REG_DSI_7nm_PHY_CMN_GLBL_CTRL 0x00000018 + +#define REG_DSI_7nm_PHY_CMN_RBUF_CTRL 0x0000001c + +#define REG_DSI_7nm_PHY_CMN_VREG_CTRL_0 0x00000020 + +#define REG_DSI_7nm_PHY_CMN_CTRL_0 0x00000024 + +#define REG_DSI_7nm_PHY_CMN_CTRL_1 0x00000028 + +#define REG_DSI_7nm_PHY_CMN_CTRL_2 0x0000002c + +#define REG_DSI_7nm_PHY_CMN_CTRL_3 0x00000030 + +#define REG_DSI_7nm_PHY_CMN_LANE_CFG0 0x00000034 + +#define REG_DSI_7nm_PHY_CMN_LANE_CFG1 0x00000038 + +#define REG_DSI_7nm_PHY_CMN_PLL_CNTRL 0x0000003c + +#define REG_DSI_7nm_PHY_CMN_DPHY_SOT 0x00000040 + +#define REG_DSI_7nm_PHY_CMN_LANE_CTRL0 0x000000a0 + +#define REG_DSI_7nm_PHY_CMN_LANE_CTRL1 0x000000a4 + +#define REG_DSI_7nm_PHY_CMN_LANE_CTRL2 0x000000a8 + +#define REG_DSI_7nm_PHY_CMN_LANE_CTRL3 0x000000ac + +#define REG_DSI_7nm_PHY_CMN_LANE_CTRL4 0x000000b0 + +#define REG_DSI_7nm_PHY_CMN_TIMING_CTRL_0 0x000000b4 + +#define REG_DSI_7nm_PHY_CMN_TIMING_CTRL_1 0x000000b8 + +#define REG_DSI_7nm_PHY_CMN_TIMING_CTRL_2 0x000000bc + +#define REG_DSI_7nm_PHY_CMN_TIMING_CTRL_3 0x000000c0 + +#define REG_DSI_7nm_PHY_CMN_TIMING_CTRL_4 0x000000c4 + +#define REG_DSI_7nm_PHY_CMN_TIMING_CTRL_5 0x000000c8 + +#define REG_DSI_7nm_PHY_CMN_TIMING_CTRL_6 0x000000cc + +#define REG_DSI_7nm_PHY_CMN_TIMING_CTRL_7 0x000000d0 + +#define REG_DSI_7nm_PHY_CMN_TIMING_CTRL_8 0x000000d4 + +#define REG_DSI_7nm_PHY_CMN_TIMING_CTRL_9 0x000000d8 + +#define REG_DSI_7nm_PHY_CMN_TIMING_CTRL_10 0x000000dc + +#define REG_DSI_7nm_PHY_CMN_TIMING_CTRL_11 0x000000e0 + +#define REG_DSI_7nm_PHY_CMN_TIMING_CTRL_12 0x000000e4 + +#define REG_DSI_7nm_PHY_CMN_TIMING_CTRL_13 0x000000e8 + +#define REG_DSI_7nm_PHY_CMN_GLBL_HSTX_STR_CTRL_0 0x000000ec + +#define REG_DSI_7nm_PHY_CMN_GLBL_HSTX_STR_CTRL_1 0x000000f0 + +#define REG_DSI_7nm_PHY_CMN_GLBL_RESCODE_OFFSET_TOP_CTRL 0x000000f4 + +#define REG_DSI_7nm_PHY_CMN_GLBL_RESCODE_OFFSET_BOT_CTRL 0x000000f8 + +#define REG_DSI_7nm_PHY_CMN_GLBL_RESCODE_OFFSET_MID_CTRL 0x000000fc + +#define REG_DSI_7nm_PHY_CMN_GLBL_LPTX_STR_CTRL 0x00000100 + +#define REG_DSI_7nm_PHY_CMN_GLBL_PEMPH_CTRL_0 0x00000104 + +#define REG_DSI_7nm_PHY_CMN_GLBL_PEMPH_CTRL_1 0x00000108 + +#define REG_DSI_7nm_PHY_CMN_GLBL_STR_SWI_CAL_SEL_CTRL 0x0000010c + +#define REG_DSI_7nm_PHY_CMN_VREG_CTRL_1 0x00000110 + +#define REG_DSI_7nm_PHY_CMN_CTRL_4 0x00000114 + +#define REG_DSI_7nm_PHY_CMN_GLBL_DIGTOP_SPARE4 0x00000128 + +#define REG_DSI_7nm_PHY_CMN_PHY_STATUS 0x00000140 + +#define REG_DSI_7nm_PHY_CMN_LANE_STATUS0 0x00000148 + +#define REG_DSI_7nm_PHY_CMN_LANE_STATUS1 0x0000014c + +static inline uint32_t REG_DSI_7nm_PHY_LN(uint32_t i0) { return 0x00000000 + 0x80*i0; } + +static inline uint32_t REG_DSI_7nm_PHY_LN_CFG0(uint32_t i0) { return 0x00000000 + 0x80*i0; } + +static inline uint32_t REG_DSI_7nm_PHY_LN_CFG1(uint32_t i0) { return 0x00000004 + 0x80*i0; } + +static inline uint32_t REG_DSI_7nm_PHY_LN_CFG2(uint32_t i0) { return 0x00000008 + 0x80*i0; } + +static inline uint32_t REG_DSI_7nm_PHY_LN_TEST_DATAPATH(uint32_t i0) { return 0x0000000c + 0x80*i0; } + +static inline uint32_t REG_DSI_7nm_PHY_LN_PIN_SWAP(uint32_t i0) { return 0x00000010 + 0x80*i0; } + +static inline uint32_t REG_DSI_7nm_PHY_LN_LPRX_CTRL(uint32_t i0) { return 0x00000014 + 0x80*i0; } + +static inline uint32_t REG_DSI_7nm_PHY_LN_TX_DCTRL(uint32_t i0) { return 0x00000018 + 0x80*i0; } + +#define REG_DSI_7nm_PHY_PLL_ANALOG_CONTROLS_ONE 0x00000000 + +#define REG_DSI_7nm_PHY_PLL_ANALOG_CONTROLS_TWO 0x00000004 + +#define REG_DSI_7nm_PHY_PLL_INT_LOOP_SETTINGS 0x00000008 + +#define REG_DSI_7nm_PHY_PLL_INT_LOOP_SETTINGS_TWO 0x0000000c + +#define REG_DSI_7nm_PHY_PLL_ANALOG_CONTROLS_THREE 0x00000010 + +#define REG_DSI_7nm_PHY_PLL_ANALOG_CONTROLS_FOUR 0x00000014 + +#define REG_DSI_7nm_PHY_PLL_ANALOG_CONTROLS_FIVE 0x00000018 + +#define REG_DSI_7nm_PHY_PLL_INT_LOOP_CONTROLS 0x0000001c + +#define REG_DSI_7nm_PHY_PLL_DSM_DIVIDER 0x00000020 + +#define REG_DSI_7nm_PHY_PLL_FEEDBACK_DIVIDER 0x00000024 + +#define REG_DSI_7nm_PHY_PLL_SYSTEM_MUXES 0x00000028 + +#define REG_DSI_7nm_PHY_PLL_FREQ_UPDATE_CONTROL_OVERRIDES 0x0000002c + +#define REG_DSI_7nm_PHY_PLL_CMODE 0x00000030 + +#define REG_DSI_7nm_PHY_PLL_PSM_CTRL 0x00000034 + +#define REG_DSI_7nm_PHY_PLL_RSM_CTRL 0x00000038 + +#define REG_DSI_7nm_PHY_PLL_VCO_TUNE_MAP 0x0000003c + +#define REG_DSI_7nm_PHY_PLL_PLL_CNTRL 0x00000040 + +#define REG_DSI_7nm_PHY_PLL_CALIBRATION_SETTINGS 0x00000044 + +#define REG_DSI_7nm_PHY_PLL_BAND_SEL_CAL_TIMER_LOW 0x00000048 + +#define REG_DSI_7nm_PHY_PLL_BAND_SEL_CAL_TIMER_HIGH 0x0000004c + +#define REG_DSI_7nm_PHY_PLL_BAND_SEL_CAL_SETTINGS 0x00000050 + +#define REG_DSI_7nm_PHY_PLL_BAND_SEL_MIN 0x00000054 + +#define REG_DSI_7nm_PHY_PLL_BAND_SEL_MAX 0x00000058 + +#define REG_DSI_7nm_PHY_PLL_BAND_SEL_PFILT 0x0000005c + +#define REG_DSI_7nm_PHY_PLL_BAND_SEL_IFILT 0x00000060 + +#define REG_DSI_7nm_PHY_PLL_BAND_SEL_CAL_SETTINGS_TWO 0x00000064 + +#define REG_DSI_7nm_PHY_PLL_BAND_SEL_CAL_SETTINGS_THREE 0x00000068 + +#define REG_DSI_7nm_PHY_PLL_BAND_SEL_CAL_SETTINGS_FOUR 0x0000006c + +#define REG_DSI_7nm_PHY_PLL_BAND_SEL_ICODE_HIGH 0x00000070 + +#define REG_DSI_7nm_PHY_PLL_BAND_SEL_ICODE_LOW 0x00000074 + +#define REG_DSI_7nm_PHY_PLL_FREQ_DETECT_SETTINGS_ONE 0x00000078 + +#define REG_DSI_7nm_PHY_PLL_FREQ_DETECT_THRESH 0x0000007c + +#define REG_DSI_7nm_PHY_PLL_FREQ_DET_REFCLK_HIGH 0x00000080 + +#define REG_DSI_7nm_PHY_PLL_FREQ_DET_REFCLK_LOW 0x00000084 + +#define REG_DSI_7nm_PHY_PLL_FREQ_DET_PLLCLK_HIGH 0x00000088 + +#define REG_DSI_7nm_PHY_PLL_FREQ_DET_PLLCLK_LOW 0x0000008c + +#define REG_DSI_7nm_PHY_PLL_PFILT 0x00000090 + +#define REG_DSI_7nm_PHY_PLL_IFILT 0x00000094 + +#define REG_DSI_7nm_PHY_PLL_PLL_GAIN 0x00000098 + +#define REG_DSI_7nm_PHY_PLL_ICODE_LOW 0x0000009c + +#define REG_DSI_7nm_PHY_PLL_ICODE_HIGH 0x000000a0 + +#define REG_DSI_7nm_PHY_PLL_LOCKDET 0x000000a4 + +#define REG_DSI_7nm_PHY_PLL_OUTDIV 0x000000a8 + +#define REG_DSI_7nm_PHY_PLL_FASTLOCK_CONTROL 0x000000ac + +#define REG_DSI_7nm_PHY_PLL_PASS_OUT_OVERRIDE_ONE 0x000000b0 + +#define REG_DSI_7nm_PHY_PLL_PASS_OUT_OVERRIDE_TWO 0x000000b4 + +#define REG_DSI_7nm_PHY_PLL_CORE_OVERRIDE 0x000000b8 + +#define REG_DSI_7nm_PHY_PLL_CORE_INPUT_OVERRIDE 0x000000bc + +#define REG_DSI_7nm_PHY_PLL_RATE_CHANGE 0x000000c0 + +#define REG_DSI_7nm_PHY_PLL_PLL_DIGITAL_TIMERS 0x000000c4 + +#define REG_DSI_7nm_PHY_PLL_PLL_DIGITAL_TIMERS_TWO 0x000000c8 + +#define REG_DSI_7nm_PHY_PLL_DECIMAL_DIV_START 0x000000cc + +#define REG_DSI_7nm_PHY_PLL_FRAC_DIV_START_LOW 0x000000d0 + +#define REG_DSI_7nm_PHY_PLL_FRAC_DIV_START_MID 0x000000d4 + +#define REG_DSI_7nm_PHY_PLL_FRAC_DIV_START_HIGH 0x000000d8 + +#define REG_DSI_7nm_PHY_PLL_DEC_FRAC_MUXES 0x000000dc + +#define REG_DSI_7nm_PHY_PLL_DECIMAL_DIV_START_1 0x000000e0 + +#define REG_DSI_7nm_PHY_PLL_FRAC_DIV_START_LOW_1 0x000000e4 + +#define REG_DSI_7nm_PHY_PLL_FRAC_DIV_START_MID_1 0x000000e8 + +#define REG_DSI_7nm_PHY_PLL_FRAC_DIV_START_HIGH_1 0x000000ec + +#define REG_DSI_7nm_PHY_PLL_DECIMAL_DIV_START_2 0x000000f0 + +#define REG_DSI_7nm_PHY_PLL_FRAC_DIV_START_LOW_2 0x000000f4 + +#define REG_DSI_7nm_PHY_PLL_FRAC_DIV_START_MID_2 0x000000f8 + +#define REG_DSI_7nm_PHY_PLL_FRAC_DIV_START_HIGH_2 0x000000fc + +#define REG_DSI_7nm_PHY_PLL_MASH_CONTROL 0x00000100 + +#define REG_DSI_7nm_PHY_PLL_SSC_STEPSIZE_LOW 0x00000104 + +#define REG_DSI_7nm_PHY_PLL_SSC_STEPSIZE_HIGH 0x00000108 + +#define REG_DSI_7nm_PHY_PLL_SSC_DIV_PER_LOW 0x0000010c + +#define REG_DSI_7nm_PHY_PLL_SSC_DIV_PER_HIGH 0x00000110 + +#define REG_DSI_7nm_PHY_PLL_SSC_ADJPER_LOW 0x00000114 + +#define REG_DSI_7nm_PHY_PLL_SSC_ADJPER_HIGH 0x00000118 + +#define REG_DSI_7nm_PHY_PLL_SSC_MUX_CONTROL 0x0000011c + +#define REG_DSI_7nm_PHY_PLL_SSC_STEPSIZE_LOW_1 0x00000120 + +#define REG_DSI_7nm_PHY_PLL_SSC_STEPSIZE_HIGH_1 0x00000124 + +#define REG_DSI_7nm_PHY_PLL_SSC_DIV_PER_LOW_1 0x00000128 + +#define REG_DSI_7nm_PHY_PLL_SSC_DIV_PER_HIGH_1 0x0000012c + +#define REG_DSI_7nm_PHY_PLL_SSC_ADJPER_LOW_1 0x00000130 + +#define REG_DSI_7nm_PHY_PLL_SSC_ADJPER_HIGH_1 0x00000134 + +#define REG_DSI_7nm_PHY_PLL_SSC_STEPSIZE_LOW_2 0x00000138 + +#define REG_DSI_7nm_PHY_PLL_SSC_STEPSIZE_HIGH_2 0x0000013c + +#define REG_DSI_7nm_PHY_PLL_SSC_DIV_PER_LOW_2 0x00000140 + +#define REG_DSI_7nm_PHY_PLL_SSC_DIV_PER_HIGH_2 0x00000144 + +#define REG_DSI_7nm_PHY_PLL_SSC_ADJPER_LOW_2 0x00000148 + +#define REG_DSI_7nm_PHY_PLL_SSC_ADJPER_HIGH_2 0x0000014c + +#define REG_DSI_7nm_PHY_PLL_SSC_CONTROL 0x00000150 + +#define REG_DSI_7nm_PHY_PLL_PLL_OUTDIV_RATE 0x00000154 + +#define REG_DSI_7nm_PHY_PLL_PLL_LOCKDET_RATE_1 0x00000158 + +#define REG_DSI_7nm_PHY_PLL_PLL_LOCKDET_RATE_2 0x0000015c + +#define REG_DSI_7nm_PHY_PLL_PLL_PROP_GAIN_RATE_1 0x00000160 + +#define REG_DSI_7nm_PHY_PLL_PLL_PROP_GAIN_RATE_2 0x00000164 + +#define REG_DSI_7nm_PHY_PLL_PLL_BAND_SEL_RATE_1 0x00000168 + +#define REG_DSI_7nm_PHY_PLL_PLL_BAND_SEL_RATE_2 0x0000016c + +#define REG_DSI_7nm_PHY_PLL_PLL_INT_GAIN_IFILT_BAND_1 0x00000170 + +#define REG_DSI_7nm_PHY_PLL_PLL_INT_GAIN_IFILT_BAND_2 0x00000174 + +#define REG_DSI_7nm_PHY_PLL_PLL_FL_INT_GAIN_PFILT_BAND_1 0x00000178 + +#define REG_DSI_7nm_PHY_PLL_PLL_FL_INT_GAIN_PFILT_BAND_2 0x0000017c + +#define REG_DSI_7nm_PHY_PLL_PLL_FASTLOCK_EN_BAND 0x00000180 + +#define REG_DSI_7nm_PHY_PLL_FREQ_TUNE_ACCUM_INIT_MID 0x00000184 + +#define REG_DSI_7nm_PHY_PLL_FREQ_TUNE_ACCUM_INIT_HIGH 0x00000188 + +#define REG_DSI_7nm_PHY_PLL_FREQ_TUNE_ACCUM_INIT_MUX 0x0000018c + +#define REG_DSI_7nm_PHY_PLL_PLL_LOCK_OVERRIDE 0x00000190 + +#define REG_DSI_7nm_PHY_PLL_PLL_LOCK_DELAY 0x00000194 + +#define REG_DSI_7nm_PHY_PLL_PLL_LOCK_MIN_DELAY 0x00000198 + +#define REG_DSI_7nm_PHY_PLL_CLOCK_INVERTERS 0x0000019c + +#define REG_DSI_7nm_PHY_PLL_SPARE_AND_JPC_OVERRIDES 0x000001a0 + +#define REG_DSI_7nm_PHY_PLL_BIAS_CONTROL_1 0x000001a4 + +#define REG_DSI_7nm_PHY_PLL_BIAS_CONTROL_2 0x000001a8 + +#define REG_DSI_7nm_PHY_PLL_ALOG_OBSV_BUS_CTRL_1 0x000001ac + +#define REG_DSI_7nm_PHY_PLL_COMMON_STATUS_ONE 0x000001b0 + +#define REG_DSI_7nm_PHY_PLL_COMMON_STATUS_TWO 0x000001b4 + +#define REG_DSI_7nm_PHY_PLL_BAND_SEL_CAL 0x000001b8 + +#define REG_DSI_7nm_PHY_PLL_ICODE_ACCUM_STATUS_LOW 0x000001bc + +#define REG_DSI_7nm_PHY_PLL_ICODE_ACCUM_STATUS_HIGH 0x000001c0 + +#define REG_DSI_7nm_PHY_PLL_FD_OUT_LOW 0x000001c4 + +#define REG_DSI_7nm_PHY_PLL_FD_OUT_HIGH 0x000001c8 + +#define REG_DSI_7nm_PHY_PLL_ALOG_OBSV_BUS_STATUS_1 0x000001cc + +#define REG_DSI_7nm_PHY_PLL_PLL_MISC_CONFIG 0x000001d0 + +#define REG_DSI_7nm_PHY_PLL_FLL_CONFIG 0x000001d4 + +#define REG_DSI_7nm_PHY_PLL_FLL_FREQ_ACQ_TIME 0x000001d8 + +#define REG_DSI_7nm_PHY_PLL_FLL_CODE0 0x000001dc + +#define REG_DSI_7nm_PHY_PLL_FLL_CODE1 0x000001e0 + +#define REG_DSI_7nm_PHY_PLL_FLL_GAIN0 0x000001e4 + +#define REG_DSI_7nm_PHY_PLL_FLL_GAIN1 0x000001e8 + +#define REG_DSI_7nm_PHY_PLL_SW_RESET 0x000001ec + +#define REG_DSI_7nm_PHY_PLL_FAST_PWRUP 0x000001f0 + +#define REG_DSI_7nm_PHY_PLL_LOCKTIME0 0x000001f4 + +#define REG_DSI_7nm_PHY_PLL_LOCKTIME1 0x000001f8 + +#define REG_DSI_7nm_PHY_PLL_DEBUG_BUS_SEL 0x000001fc + +#define REG_DSI_7nm_PHY_PLL_DEBUG_BUS0 0x00000200 + +#define REG_DSI_7nm_PHY_PLL_DEBUG_BUS1 0x00000204 + +#define REG_DSI_7nm_PHY_PLL_DEBUG_BUS2 0x00000208 + +#define REG_DSI_7nm_PHY_PLL_DEBUG_BUS3 0x0000020c + +#define REG_DSI_7nm_PHY_PLL_ANALOG_FLL_CONTROL_OVERRIDES 0x00000210 + +#define REG_DSI_7nm_PHY_PLL_VCO_CONFIG 0x00000214 + +#define REG_DSI_7nm_PHY_PLL_VCO_CAL_CODE1_MODE0_STATUS 0x00000218 + +#define REG_DSI_7nm_PHY_PLL_VCO_CAL_CODE1_MODE1_STATUS 0x0000021c + +#define REG_DSI_7nm_PHY_PLL_RESET_SM_STATUS 0x00000220 + +#define REG_DSI_7nm_PHY_PLL_TDC_OFFSET 0x00000224 + +#define REG_DSI_7nm_PHY_PLL_PS3_PWRDOWN_CONTROLS 0x00000228 + +#define REG_DSI_7nm_PHY_PLL_PS4_PWRDOWN_CONTROLS 0x0000022c + +#define REG_DSI_7nm_PHY_PLL_PLL_RST_CONTROLS 0x00000230 + +#define REG_DSI_7nm_PHY_PLL_GEAR_BAND_SELECT_CONTROLS 0x00000234 + +#define REG_DSI_7nm_PHY_PLL_PSM_CLK_CONTROLS 0x00000238 + +#define REG_DSI_7nm_PHY_PLL_SYSTEM_MUXES_2 0x0000023c + +#define REG_DSI_7nm_PHY_PLL_VCO_CONFIG_1 0x00000240 + +#define REG_DSI_7nm_PHY_PLL_VCO_CONFIG_2 0x00000244 + +#define REG_DSI_7nm_PHY_PLL_CLOCK_INVERTERS_1 0x00000248 + +#define REG_DSI_7nm_PHY_PLL_CLOCK_INVERTERS_2 0x0000024c + +#define REG_DSI_7nm_PHY_PLL_CMODE_1 0x00000250 + +#define REG_DSI_7nm_PHY_PLL_CMODE_2 0x00000254 + +#define REG_DSI_7nm_PHY_PLL_ANALOG_CONTROLS_FIVE_1 0x00000258 + +#define REG_DSI_7nm_PHY_PLL_ANALOG_CONTROLS_FIVE_2 0x0000025c + +#define REG_DSI_7nm_PHY_PLL_PERF_OPTIMIZE 0x00000260 + +#endif /* DSI_XML */ diff --git a/drivers/gpu/drm/msm/dsi/dsi_cfg.c b/drivers/gpu/drm/msm/dsi/dsi_cfg.c new file mode 100644 index 000000000..73f066ef6 --- /dev/null +++ b/drivers/gpu/drm/msm/dsi/dsi_cfg.c @@ -0,0 +1,290 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2015, The Linux Foundation. All rights reserved. + */ + +#include "dsi_cfg.h" + +static const char * const dsi_v2_bus_clk_names[] = { + "core_mmss", "iface", "bus", +}; + +static const struct msm_dsi_config apq8064_dsi_cfg = { + .io_offset = 0, + .reg_cfg = { + .num = 3, + .regs = { + {"vdda", 100000, 100}, /* 1.2 V */ + {"avdd", 10000, 100}, /* 3.0 V */ + {"vddio", 100000, 100}, /* 1.8 V */ + }, + }, + .bus_clk_names = dsi_v2_bus_clk_names, + .num_bus_clks = ARRAY_SIZE(dsi_v2_bus_clk_names), + .io_start = { 0x4700000, 0x5800000 }, + .num_dsi = 2, +}; + +static const char * const dsi_6g_bus_clk_names[] = { + "mdp_core", "iface", "bus", "core_mmss", +}; + +static const struct msm_dsi_config msm8974_apq8084_dsi_cfg = { + .io_offset = DSI_6G_REG_SHIFT, + .reg_cfg = { + .num = 4, + .regs = { + {"gdsc", -1, -1}, + {"vdd", 150000, 100}, /* 3.0 V */ + {"vdda", 100000, 100}, /* 1.2 V */ + {"vddio", 100000, 100}, /* 1.8 V */ + }, + }, + .bus_clk_names = dsi_6g_bus_clk_names, + .num_bus_clks = ARRAY_SIZE(dsi_6g_bus_clk_names), + .io_start = { 0xfd922800, 0xfd922b00 }, + .num_dsi = 2, +}; + +static const char * const dsi_8916_bus_clk_names[] = { + "mdp_core", "iface", "bus", +}; + +static const struct msm_dsi_config msm8916_dsi_cfg = { + .io_offset = DSI_6G_REG_SHIFT, + .reg_cfg = { + .num = 3, + .regs = { + {"gdsc", -1, -1}, + {"vdda", 100000, 100}, /* 1.2 V */ + {"vddio", 100000, 100}, /* 1.8 V */ + }, + }, + .bus_clk_names = dsi_8916_bus_clk_names, + .num_bus_clks = ARRAY_SIZE(dsi_8916_bus_clk_names), + .io_start = { 0x1a98000 }, + .num_dsi = 1, +}; + +static const char * const dsi_8976_bus_clk_names[] = { + "mdp_core", "iface", "bus", +}; + +static const struct msm_dsi_config msm8976_dsi_cfg = { + .io_offset = DSI_6G_REG_SHIFT, + .reg_cfg = { + .num = 3, + .regs = { + {"gdsc", -1, -1}, + {"vdda", 100000, 100}, /* 1.2 V */ + {"vddio", 100000, 100}, /* 1.8 V */ + }, + }, + .bus_clk_names = dsi_8976_bus_clk_names, + .num_bus_clks = ARRAY_SIZE(dsi_8976_bus_clk_names), + .io_start = { 0x1a94000, 0x1a96000 }, + .num_dsi = 2, +}; + +static const struct msm_dsi_config msm8994_dsi_cfg = { + .io_offset = DSI_6G_REG_SHIFT, + .reg_cfg = { + .num = 7, + .regs = { + {"gdsc", -1, -1}, + {"vdda", 100000, 100}, /* 1.25 V */ + {"vddio", 100000, 100}, /* 1.8 V */ + {"vcca", 10000, 100}, /* 1.0 V */ + {"vdd", 100000, 100}, /* 1.8 V */ + {"lab_reg", -1, -1}, + {"ibb_reg", -1, -1}, + }, + }, + .bus_clk_names = dsi_6g_bus_clk_names, + .num_bus_clks = ARRAY_SIZE(dsi_6g_bus_clk_names), + .io_start = { 0xfd998000, 0xfd9a0000 }, + .num_dsi = 2, +}; + +/* + * TODO: core_mmss_clk fails to enable for some reason, but things work fine + * without it too. Figure out why it doesn't enable and uncomment below + */ +static const char * const dsi_8996_bus_clk_names[] = { + "mdp_core", "iface", "bus", /* "core_mmss", */ +}; + +static const struct msm_dsi_config msm8996_dsi_cfg = { + .io_offset = DSI_6G_REG_SHIFT, + .reg_cfg = { + .num = 3, + .regs = { + {"vdda", 18160, 1 }, /* 1.25 V */ + {"vcca", 17000, 32 }, /* 0.925 V */ + {"vddio", 100000, 100 },/* 1.8 V */ + }, + }, + .bus_clk_names = dsi_8996_bus_clk_names, + .num_bus_clks = ARRAY_SIZE(dsi_8996_bus_clk_names), + .io_start = { 0x994000, 0x996000 }, + .num_dsi = 2, +}; + +static const char * const dsi_msm8998_bus_clk_names[] = { + "iface", "bus", "core", +}; + +static const struct msm_dsi_config msm8998_dsi_cfg = { + .io_offset = DSI_6G_REG_SHIFT, + .reg_cfg = { + .num = 2, + .regs = { + {"vdd", 367000, 16 }, /* 0.9 V */ + {"vdda", 62800, 2 }, /* 1.2 V */ + }, + }, + .bus_clk_names = dsi_msm8998_bus_clk_names, + .num_bus_clks = ARRAY_SIZE(dsi_msm8998_bus_clk_names), + .io_start = { 0xc994000, 0xc996000 }, + .num_dsi = 2, +}; + +static const char * const dsi_sdm660_bus_clk_names[] = { + "iface", "bus", "core", "core_mmss", +}; + +static const struct msm_dsi_config sdm660_dsi_cfg = { + .io_offset = DSI_6G_REG_SHIFT, + .reg_cfg = { + .num = 1, + .regs = { + {"vdda", 12560, 4 }, /* 1.2 V */ + }, + }, + .bus_clk_names = dsi_sdm660_bus_clk_names, + .num_bus_clks = ARRAY_SIZE(dsi_sdm660_bus_clk_names), + .io_start = { 0xc994000, 0xc996000 }, + .num_dsi = 2, +}; + +static const char * const dsi_sdm845_bus_clk_names[] = { + "iface", "bus", +}; + +static const char * const dsi_sc7180_bus_clk_names[] = { + "iface", "bus", +}; + +static const struct msm_dsi_config sdm845_dsi_cfg = { + .io_offset = DSI_6G_REG_SHIFT, + .reg_cfg = { + .num = 1, + .regs = { + {"vdda", 21800, 4 }, /* 1.2 V */ + }, + }, + .bus_clk_names = dsi_sdm845_bus_clk_names, + .num_bus_clks = ARRAY_SIZE(dsi_sdm845_bus_clk_names), + .io_start = { 0xae94000, 0xae96000 }, + .num_dsi = 2, +}; + +static const struct msm_dsi_config sc7180_dsi_cfg = { + .io_offset = DSI_6G_REG_SHIFT, + .reg_cfg = { + .num = 1, + .regs = { + {"vdda", 21800, 4 }, /* 1.2 V */ + }, + }, + .bus_clk_names = dsi_sc7180_bus_clk_names, + .num_bus_clks = ARRAY_SIZE(dsi_sc7180_bus_clk_names), + .io_start = { 0xae94000 }, + .num_dsi = 1, +}; + +static const struct msm_dsi_host_cfg_ops msm_dsi_v2_host_ops = { + .link_clk_set_rate = dsi_link_clk_set_rate_v2, + .link_clk_enable = dsi_link_clk_enable_v2, + .link_clk_disable = dsi_link_clk_disable_v2, + .clk_init_ver = dsi_clk_init_v2, + .tx_buf_alloc = dsi_tx_buf_alloc_v2, + .tx_buf_get = dsi_tx_buf_get_v2, + .tx_buf_put = NULL, + .dma_base_get = dsi_dma_base_get_v2, + .calc_clk_rate = dsi_calc_clk_rate_v2, +}; + +static const struct msm_dsi_host_cfg_ops msm_dsi_6g_host_ops = { + .link_clk_set_rate = dsi_link_clk_set_rate_6g, + .link_clk_enable = dsi_link_clk_enable_6g, + .link_clk_disable = dsi_link_clk_disable_6g, + .clk_init_ver = NULL, + .tx_buf_alloc = dsi_tx_buf_alloc_6g, + .tx_buf_get = dsi_tx_buf_get_6g, + .tx_buf_put = dsi_tx_buf_put_6g, + .dma_base_get = dsi_dma_base_get_6g, + .calc_clk_rate = dsi_calc_clk_rate_6g, +}; + +static const struct msm_dsi_host_cfg_ops msm_dsi_6g_v2_host_ops = { + .link_clk_set_rate = dsi_link_clk_set_rate_6g, + .link_clk_enable = dsi_link_clk_enable_6g, + .link_clk_disable = dsi_link_clk_disable_6g, + .clk_init_ver = dsi_clk_init_6g_v2, + .tx_buf_alloc = dsi_tx_buf_alloc_6g, + .tx_buf_get = dsi_tx_buf_get_6g, + .tx_buf_put = dsi_tx_buf_put_6g, + .dma_base_get = dsi_dma_base_get_6g, + .calc_clk_rate = dsi_calc_clk_rate_6g, +}; + +static const struct msm_dsi_cfg_handler dsi_cfg_handlers[] = { + {MSM_DSI_VER_MAJOR_V2, MSM_DSI_V2_VER_MINOR_8064, + &apq8064_dsi_cfg, &msm_dsi_v2_host_ops}, + {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_0, + &msm8974_apq8084_dsi_cfg, &msm_dsi_6g_host_ops}, + {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_1, + &msm8974_apq8084_dsi_cfg, &msm_dsi_6g_host_ops}, + {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_1_1, + &msm8974_apq8084_dsi_cfg, &msm_dsi_6g_host_ops}, + {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_2, + &msm8974_apq8084_dsi_cfg, &msm_dsi_6g_host_ops}, + {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_3, + &msm8994_dsi_cfg, &msm_dsi_6g_host_ops}, + {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_3_1, + &msm8916_dsi_cfg, &msm_dsi_6g_host_ops}, + {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_4_1, + &msm8996_dsi_cfg, &msm_dsi_6g_host_ops}, + {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_4_2, + &msm8976_dsi_cfg, &msm_dsi_6g_host_ops}, + {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_1_0, + &sdm660_dsi_cfg, &msm_dsi_6g_v2_host_ops}, + {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_2_0, + &msm8998_dsi_cfg, &msm_dsi_6g_v2_host_ops}, + {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_2_1, + &sdm845_dsi_cfg, &msm_dsi_6g_v2_host_ops}, + {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_3_0, + &sdm845_dsi_cfg, &msm_dsi_6g_v2_host_ops}, + {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_4_0, + &sdm845_dsi_cfg, &msm_dsi_6g_v2_host_ops}, + {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_4_1, + &sc7180_dsi_cfg, &msm_dsi_6g_v2_host_ops}, +}; + +const struct msm_dsi_cfg_handler *msm_dsi_cfg_get(u32 major, u32 minor) +{ + const struct msm_dsi_cfg_handler *cfg_hnd = NULL; + int i; + + for (i = ARRAY_SIZE(dsi_cfg_handlers) - 1; i >= 0; i--) { + if ((dsi_cfg_handlers[i].major == major) && + (dsi_cfg_handlers[i].minor == minor)) { + cfg_hnd = &dsi_cfg_handlers[i]; + break; + } + } + + return cfg_hnd; +} + diff --git a/drivers/gpu/drm/msm/dsi/dsi_cfg.h b/drivers/gpu/drm/msm/dsi/dsi_cfg.h new file mode 100644 index 000000000..ade9b609c --- /dev/null +++ b/drivers/gpu/drm/msm/dsi/dsi_cfg.h @@ -0,0 +1,63 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2015, The Linux Foundation. All rights reserved. + */ + +#ifndef __MSM_DSI_CFG_H__ +#define __MSM_DSI_CFG_H__ + +#include "dsi.h" + +#define MSM_DSI_VER_MAJOR_V2 0x02 +#define MSM_DSI_VER_MAJOR_6G 0x03 +#define MSM_DSI_6G_VER_MINOR_V1_0 0x10000000 +#define MSM_DSI_6G_VER_MINOR_V1_1 0x10010000 +#define MSM_DSI_6G_VER_MINOR_V1_1_1 0x10010001 +#define MSM_DSI_6G_VER_MINOR_V1_2 0x10020000 +#define MSM_DSI_6G_VER_MINOR_V1_3 0x10030000 +#define MSM_DSI_6G_VER_MINOR_V1_3_1 0x10030001 +#define MSM_DSI_6G_VER_MINOR_V1_4_1 0x10040001 +#define MSM_DSI_6G_VER_MINOR_V1_4_2 0x10040002 +#define MSM_DSI_6G_VER_MINOR_V2_1_0 0x20010000 +#define MSM_DSI_6G_VER_MINOR_V2_2_0 0x20000000 +#define MSM_DSI_6G_VER_MINOR_V2_2_1 0x20020001 +#define MSM_DSI_6G_VER_MINOR_V2_3_0 0x20030000 +#define MSM_DSI_6G_VER_MINOR_V2_4_0 0x20040000 +#define MSM_DSI_6G_VER_MINOR_V2_4_1 0x20040001 + +#define MSM_DSI_V2_VER_MINOR_8064 0x0 + +#define DSI_6G_REG_SHIFT 4 + +struct msm_dsi_config { + u32 io_offset; + struct dsi_reg_config reg_cfg; + const char * const *bus_clk_names; + const int num_bus_clks; + const resource_size_t io_start[DSI_MAX]; + const int num_dsi; +}; + +struct msm_dsi_host_cfg_ops { + int (*link_clk_set_rate)(struct msm_dsi_host *msm_host); + int (*link_clk_enable)(struct msm_dsi_host *msm_host); + void (*link_clk_disable)(struct msm_dsi_host *msm_host); + int (*clk_init_ver)(struct msm_dsi_host *msm_host); + int (*tx_buf_alloc)(struct msm_dsi_host *msm_host, int size); + void* (*tx_buf_get)(struct msm_dsi_host *msm_host); + void (*tx_buf_put)(struct msm_dsi_host *msm_host); + int (*dma_base_get)(struct msm_dsi_host *msm_host, uint64_t *iova); + int (*calc_clk_rate)(struct msm_dsi_host *msm_host, bool is_dual_dsi); +}; + +struct msm_dsi_cfg_handler { + u32 major; + u32 minor; + const struct msm_dsi_config *cfg; + const struct msm_dsi_host_cfg_ops *ops; +}; + +const struct msm_dsi_cfg_handler *msm_dsi_cfg_get(u32 major, u32 minor); + +#endif /* __MSM_DSI_CFG_H__ */ + diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c new file mode 100644 index 000000000..fb7792ca3 --- /dev/null +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -0,0 +1,2518 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2015, The Linux Foundation. All rights reserved. + */ + +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/dma-mapping.h> +#include <linux/err.h> +#include <linux/gpio/consumer.h> +#include <linux/interrupt.h> +#include <linux/mfd/syscon.h> +#include <linux/of_device.h> +#include <linux/of_graph.h> +#include <linux/of_irq.h> +#include <linux/pinctrl/consumer.h> +#include <linux/pm_opp.h> +#include <linux/regmap.h> +#include <linux/regulator/consumer.h> +#include <linux/spinlock.h> + +#include <video/mipi_display.h> + +#include "dsi.h" +#include "dsi.xml.h" +#include "sfpb.xml.h" +#include "dsi_cfg.h" +#include "msm_kms.h" + +#define DSI_RESET_TOGGLE_DELAY_MS 20 + +static int dsi_get_version(const void __iomem *base, u32 *major, u32 *minor) +{ + u32 ver; + + if (!major || !minor) + return -EINVAL; + + /* + * From DSI6G(v3), addition of a 6G_HW_VERSION register at offset 0 + * makes all other registers 4-byte shifted down. + * + * In order to identify between DSI6G(v3) and beyond, and DSIv2 and + * older, we read the DSI_VERSION register without any shift(offset + * 0x1f0). In the case of DSIv2, this hast to be a non-zero value. In + * the case of DSI6G, this has to be zero (the offset points to a + * scratch register which we never touch) + */ + + ver = msm_readl(base + REG_DSI_VERSION); + if (ver) { + /* older dsi host, there is no register shift */ + ver = FIELD(ver, DSI_VERSION_MAJOR); + if (ver <= MSM_DSI_VER_MAJOR_V2) { + /* old versions */ + *major = ver; + *minor = 0; + return 0; + } else { + return -EINVAL; + } + } else { + /* + * newer host, offset 0 has 6G_HW_VERSION, the rest of the + * registers are shifted down, read DSI_VERSION again with + * the shifted offset + */ + ver = msm_readl(base + DSI_6G_REG_SHIFT + REG_DSI_VERSION); + ver = FIELD(ver, DSI_VERSION_MAJOR); + if (ver == MSM_DSI_VER_MAJOR_6G) { + /* 6G version */ + *major = ver; + *minor = msm_readl(base + REG_DSI_6G_HW_VERSION); + return 0; + } else { + return -EINVAL; + } + } +} + +#define DSI_ERR_STATE_ACK 0x0000 +#define DSI_ERR_STATE_TIMEOUT 0x0001 +#define DSI_ERR_STATE_DLN0_PHY 0x0002 +#define DSI_ERR_STATE_FIFO 0x0004 +#define DSI_ERR_STATE_MDP_FIFO_UNDERFLOW 0x0008 +#define DSI_ERR_STATE_INTERLEAVE_OP_CONTENTION 0x0010 +#define DSI_ERR_STATE_PLL_UNLOCKED 0x0020 + +#define DSI_CLK_CTRL_ENABLE_CLKS \ + (DSI_CLK_CTRL_AHBS_HCLK_ON | DSI_CLK_CTRL_AHBM_SCLK_ON | \ + DSI_CLK_CTRL_PCLK_ON | DSI_CLK_CTRL_DSICLK_ON | \ + DSI_CLK_CTRL_BYTECLK_ON | DSI_CLK_CTRL_ESCCLK_ON | \ + DSI_CLK_CTRL_FORCE_ON_DYN_AHBM_HCLK) + +struct msm_dsi_host { + struct mipi_dsi_host base; + + struct platform_device *pdev; + struct drm_device *dev; + + int id; + + void __iomem *ctrl_base; + struct regulator_bulk_data supplies[DSI_DEV_REGULATOR_MAX]; + + struct clk *bus_clks[DSI_BUS_CLK_MAX]; + + struct clk *byte_clk; + struct clk *esc_clk; + struct clk *pixel_clk; + struct clk *byte_clk_src; + struct clk *pixel_clk_src; + struct clk *byte_intf_clk; + + struct opp_table *opp_table; + bool has_opp_table; + + u32 byte_clk_rate; + u32 pixel_clk_rate; + u32 esc_clk_rate; + + /* DSI v2 specific clocks */ + struct clk *src_clk; + struct clk *esc_clk_src; + struct clk *dsi_clk_src; + + u32 src_clk_rate; + + struct gpio_desc *disp_en_gpio; + struct gpio_desc *te_gpio; + + const struct msm_dsi_cfg_handler *cfg_hnd; + + struct completion dma_comp; + struct completion video_comp; + struct mutex dev_mutex; + struct mutex cmd_mutex; + spinlock_t intr_lock; /* Protect interrupt ctrl register */ + + u32 err_work_state; + struct work_struct err_work; + struct work_struct hpd_work; + struct workqueue_struct *workqueue; + + /* DSI 6G TX buffer*/ + struct drm_gem_object *tx_gem_obj; + + /* DSI v2 TX buffer */ + void *tx_buf; + dma_addr_t tx_buf_paddr; + + int tx_size; + + u8 *rx_buf; + + struct regmap *sfpb; + + struct drm_display_mode *mode; + + /* connected device info */ + struct device_node *device_node; + unsigned int channel; + unsigned int lanes; + enum mipi_dsi_pixel_format format; + unsigned long mode_flags; + + /* lane data parsed via DT */ + int dlane_swap; + int num_data_lanes; + + u32 dma_cmd_ctrl_restore; + + bool registered; + bool power_on; + bool enabled; + int irq; +}; + +static u32 dsi_get_bpp(const enum mipi_dsi_pixel_format fmt) +{ + switch (fmt) { + case MIPI_DSI_FMT_RGB565: return 16; + case MIPI_DSI_FMT_RGB666_PACKED: return 18; + case MIPI_DSI_FMT_RGB666: + case MIPI_DSI_FMT_RGB888: + default: return 24; + } +} + +static inline u32 dsi_read(struct msm_dsi_host *msm_host, u32 reg) +{ + return msm_readl(msm_host->ctrl_base + reg); +} +static inline void dsi_write(struct msm_dsi_host *msm_host, u32 reg, u32 data) +{ + msm_writel(data, msm_host->ctrl_base + reg); +} + +static int dsi_host_regulator_enable(struct msm_dsi_host *msm_host); +static void dsi_host_regulator_disable(struct msm_dsi_host *msm_host); + +static const struct msm_dsi_cfg_handler *dsi_get_config( + struct msm_dsi_host *msm_host) +{ + const struct msm_dsi_cfg_handler *cfg_hnd = NULL; + struct device *dev = &msm_host->pdev->dev; + struct regulator *gdsc_reg; + struct clk *ahb_clk; + int ret; + u32 major = 0, minor = 0; + + gdsc_reg = regulator_get(dev, "gdsc"); + if (IS_ERR(gdsc_reg)) { + pr_err("%s: cannot get gdsc\n", __func__); + goto exit; + } + + ahb_clk = msm_clk_get(msm_host->pdev, "iface"); + if (IS_ERR(ahb_clk)) { + pr_err("%s: cannot get interface clock\n", __func__); + goto put_gdsc; + } + + pm_runtime_get_sync(dev); + + ret = regulator_enable(gdsc_reg); + if (ret) { + pr_err("%s: unable to enable gdsc\n", __func__); + goto put_gdsc; + } + + ret = clk_prepare_enable(ahb_clk); + if (ret) { + pr_err("%s: unable to enable ahb_clk\n", __func__); + goto disable_gdsc; + } + + ret = dsi_get_version(msm_host->ctrl_base, &major, &minor); + if (ret) { + pr_err("%s: Invalid version\n", __func__); + goto disable_clks; + } + + cfg_hnd = msm_dsi_cfg_get(major, minor); + + DBG("%s: Version %x:%x\n", __func__, major, minor); + +disable_clks: + clk_disable_unprepare(ahb_clk); +disable_gdsc: + regulator_disable(gdsc_reg); + pm_runtime_put_sync(dev); +put_gdsc: + regulator_put(gdsc_reg); +exit: + return cfg_hnd; +} + +static inline struct msm_dsi_host *to_msm_dsi_host(struct mipi_dsi_host *host) +{ + return container_of(host, struct msm_dsi_host, base); +} + +static void dsi_host_regulator_disable(struct msm_dsi_host *msm_host) +{ + struct regulator_bulk_data *s = msm_host->supplies; + const struct dsi_reg_entry *regs = msm_host->cfg_hnd->cfg->reg_cfg.regs; + int num = msm_host->cfg_hnd->cfg->reg_cfg.num; + int i; + + DBG(""); + for (i = num - 1; i >= 0; i--) + if (regs[i].disable_load >= 0) + regulator_set_load(s[i].consumer, + regs[i].disable_load); + + regulator_bulk_disable(num, s); +} + +static int dsi_host_regulator_enable(struct msm_dsi_host *msm_host) +{ + struct regulator_bulk_data *s = msm_host->supplies; + const struct dsi_reg_entry *regs = msm_host->cfg_hnd->cfg->reg_cfg.regs; + int num = msm_host->cfg_hnd->cfg->reg_cfg.num; + int ret, i; + + DBG(""); + for (i = 0; i < num; i++) { + if (regs[i].enable_load >= 0) { + ret = regulator_set_load(s[i].consumer, + regs[i].enable_load); + if (ret < 0) { + pr_err("regulator %d set op mode failed, %d\n", + i, ret); + goto fail; + } + } + } + + ret = regulator_bulk_enable(num, s); + if (ret < 0) { + pr_err("regulator enable failed, %d\n", ret); + goto fail; + } + + return 0; + +fail: + for (i--; i >= 0; i--) + regulator_set_load(s[i].consumer, regs[i].disable_load); + return ret; +} + +static int dsi_regulator_init(struct msm_dsi_host *msm_host) +{ + struct regulator_bulk_data *s = msm_host->supplies; + const struct dsi_reg_entry *regs = msm_host->cfg_hnd->cfg->reg_cfg.regs; + int num = msm_host->cfg_hnd->cfg->reg_cfg.num; + int i, ret; + + for (i = 0; i < num; i++) + s[i].supply = regs[i].name; + + ret = devm_regulator_bulk_get(&msm_host->pdev->dev, num, s); + if (ret < 0) { + pr_err("%s: failed to init regulator, ret=%d\n", + __func__, ret); + return ret; + } + + return 0; +} + +int dsi_clk_init_v2(struct msm_dsi_host *msm_host) +{ + struct platform_device *pdev = msm_host->pdev; + int ret = 0; + + msm_host->src_clk = msm_clk_get(pdev, "src"); + + if (IS_ERR(msm_host->src_clk)) { + ret = PTR_ERR(msm_host->src_clk); + pr_err("%s: can't find src clock. ret=%d\n", + __func__, ret); + msm_host->src_clk = NULL; + return ret; + } + + msm_host->esc_clk_src = clk_get_parent(msm_host->esc_clk); + if (!msm_host->esc_clk_src) { + ret = -ENODEV; + pr_err("%s: can't get esc clock parent. ret=%d\n", + __func__, ret); + return ret; + } + + msm_host->dsi_clk_src = clk_get_parent(msm_host->src_clk); + if (!msm_host->dsi_clk_src) { + ret = -ENODEV; + pr_err("%s: can't get src clock parent. ret=%d\n", + __func__, ret); + } + + return ret; +} + +int dsi_clk_init_6g_v2(struct msm_dsi_host *msm_host) +{ + struct platform_device *pdev = msm_host->pdev; + int ret = 0; + + msm_host->byte_intf_clk = msm_clk_get(pdev, "byte_intf"); + if (IS_ERR(msm_host->byte_intf_clk)) { + ret = PTR_ERR(msm_host->byte_intf_clk); + pr_err("%s: can't find byte_intf clock. ret=%d\n", + __func__, ret); + } + + return ret; +} + +static int dsi_clk_init(struct msm_dsi_host *msm_host) +{ + struct platform_device *pdev = msm_host->pdev; + const struct msm_dsi_cfg_handler *cfg_hnd = msm_host->cfg_hnd; + const struct msm_dsi_config *cfg = cfg_hnd->cfg; + int i, ret = 0; + + /* get bus clocks */ + for (i = 0; i < cfg->num_bus_clks; i++) { + msm_host->bus_clks[i] = msm_clk_get(pdev, + cfg->bus_clk_names[i]); + if (IS_ERR(msm_host->bus_clks[i])) { + ret = PTR_ERR(msm_host->bus_clks[i]); + pr_err("%s: Unable to get %s clock, ret = %d\n", + __func__, cfg->bus_clk_names[i], ret); + goto exit; + } + } + + /* get link and source clocks */ + msm_host->byte_clk = msm_clk_get(pdev, "byte"); + if (IS_ERR(msm_host->byte_clk)) { + ret = PTR_ERR(msm_host->byte_clk); + pr_err("%s: can't find dsi_byte clock. ret=%d\n", + __func__, ret); + msm_host->byte_clk = NULL; + goto exit; + } + + msm_host->pixel_clk = msm_clk_get(pdev, "pixel"); + if (IS_ERR(msm_host->pixel_clk)) { + ret = PTR_ERR(msm_host->pixel_clk); + pr_err("%s: can't find dsi_pixel clock. ret=%d\n", + __func__, ret); + msm_host->pixel_clk = NULL; + goto exit; + } + + msm_host->esc_clk = msm_clk_get(pdev, "core"); + if (IS_ERR(msm_host->esc_clk)) { + ret = PTR_ERR(msm_host->esc_clk); + pr_err("%s: can't find dsi_esc clock. ret=%d\n", + __func__, ret); + msm_host->esc_clk = NULL; + goto exit; + } + + msm_host->byte_clk_src = clk_get_parent(msm_host->byte_clk); + if (IS_ERR(msm_host->byte_clk_src)) { + ret = PTR_ERR(msm_host->byte_clk_src); + pr_err("%s: can't find byte_clk clock. ret=%d\n", __func__, ret); + goto exit; + } + + msm_host->pixel_clk_src = clk_get_parent(msm_host->pixel_clk); + if (IS_ERR(msm_host->pixel_clk_src)) { + ret = PTR_ERR(msm_host->pixel_clk_src); + pr_err("%s: can't find pixel_clk clock. ret=%d\n", __func__, ret); + goto exit; + } + + if (cfg_hnd->ops->clk_init_ver) + ret = cfg_hnd->ops->clk_init_ver(msm_host); +exit: + return ret; +} + +static int dsi_bus_clk_enable(struct msm_dsi_host *msm_host) +{ + const struct msm_dsi_config *cfg = msm_host->cfg_hnd->cfg; + int i, ret; + + DBG("id=%d", msm_host->id); + + for (i = 0; i < cfg->num_bus_clks; i++) { + ret = clk_prepare_enable(msm_host->bus_clks[i]); + if (ret) { + pr_err("%s: failed to enable bus clock %d ret %d\n", + __func__, i, ret); + goto err; + } + } + + return 0; +err: + while (--i >= 0) + clk_disable_unprepare(msm_host->bus_clks[i]); + + return ret; +} + +static void dsi_bus_clk_disable(struct msm_dsi_host *msm_host) +{ + const struct msm_dsi_config *cfg = msm_host->cfg_hnd->cfg; + int i; + + DBG(""); + + for (i = cfg->num_bus_clks - 1; i >= 0; i--) + clk_disable_unprepare(msm_host->bus_clks[i]); +} + +int msm_dsi_runtime_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct msm_dsi *msm_dsi = platform_get_drvdata(pdev); + struct mipi_dsi_host *host = msm_dsi->host; + struct msm_dsi_host *msm_host = to_msm_dsi_host(host); + + if (!msm_host->cfg_hnd) + return 0; + + dsi_bus_clk_disable(msm_host); + + return 0; +} + +int msm_dsi_runtime_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct msm_dsi *msm_dsi = platform_get_drvdata(pdev); + struct mipi_dsi_host *host = msm_dsi->host; + struct msm_dsi_host *msm_host = to_msm_dsi_host(host); + + if (!msm_host->cfg_hnd) + return 0; + + return dsi_bus_clk_enable(msm_host); +} + +int dsi_link_clk_set_rate_6g(struct msm_dsi_host *msm_host) +{ + int ret; + + DBG("Set clk rates: pclk=%d, byteclk=%d", + msm_host->mode->clock, msm_host->byte_clk_rate); + + ret = dev_pm_opp_set_rate(&msm_host->pdev->dev, + msm_host->byte_clk_rate); + if (ret) { + pr_err("%s: dev_pm_opp_set_rate failed %d\n", __func__, ret); + return ret; + } + + ret = clk_set_rate(msm_host->pixel_clk, msm_host->pixel_clk_rate); + if (ret) { + pr_err("%s: Failed to set rate pixel clk, %d\n", __func__, ret); + return ret; + } + + if (msm_host->byte_intf_clk) { + ret = clk_set_rate(msm_host->byte_intf_clk, + msm_host->byte_clk_rate / 2); + if (ret) { + pr_err("%s: Failed to set rate byte intf clk, %d\n", + __func__, ret); + return ret; + } + } + + return 0; +} + + +int dsi_link_clk_enable_6g(struct msm_dsi_host *msm_host) +{ + int ret; + + ret = clk_prepare_enable(msm_host->esc_clk); + if (ret) { + pr_err("%s: Failed to enable dsi esc clk\n", __func__); + goto error; + } + + ret = clk_prepare_enable(msm_host->byte_clk); + if (ret) { + pr_err("%s: Failed to enable dsi byte clk\n", __func__); + goto byte_clk_err; + } + + ret = clk_prepare_enable(msm_host->pixel_clk); + if (ret) { + pr_err("%s: Failed to enable dsi pixel clk\n", __func__); + goto pixel_clk_err; + } + + if (msm_host->byte_intf_clk) { + ret = clk_prepare_enable(msm_host->byte_intf_clk); + if (ret) { + pr_err("%s: Failed to enable byte intf clk\n", + __func__); + goto byte_intf_clk_err; + } + } + + return 0; + +byte_intf_clk_err: + clk_disable_unprepare(msm_host->pixel_clk); +pixel_clk_err: + clk_disable_unprepare(msm_host->byte_clk); +byte_clk_err: + clk_disable_unprepare(msm_host->esc_clk); +error: + return ret; +} + +int dsi_link_clk_set_rate_v2(struct msm_dsi_host *msm_host) +{ + int ret; + + DBG("Set clk rates: pclk=%d, byteclk=%d, esc_clk=%d, dsi_src_clk=%d", + msm_host->mode->clock, msm_host->byte_clk_rate, + msm_host->esc_clk_rate, msm_host->src_clk_rate); + + ret = clk_set_rate(msm_host->byte_clk, msm_host->byte_clk_rate); + if (ret) { + pr_err("%s: Failed to set rate byte clk, %d\n", __func__, ret); + return ret; + } + + ret = clk_set_rate(msm_host->esc_clk, msm_host->esc_clk_rate); + if (ret) { + pr_err("%s: Failed to set rate esc clk, %d\n", __func__, ret); + return ret; + } + + ret = clk_set_rate(msm_host->src_clk, msm_host->src_clk_rate); + if (ret) { + pr_err("%s: Failed to set rate src clk, %d\n", __func__, ret); + return ret; + } + + ret = clk_set_rate(msm_host->pixel_clk, msm_host->pixel_clk_rate); + if (ret) { + pr_err("%s: Failed to set rate pixel clk, %d\n", __func__, ret); + return ret; + } + + return 0; +} + +int dsi_link_clk_enable_v2(struct msm_dsi_host *msm_host) +{ + int ret; + + ret = clk_prepare_enable(msm_host->byte_clk); + if (ret) { + pr_err("%s: Failed to enable dsi byte clk\n", __func__); + goto error; + } + + ret = clk_prepare_enable(msm_host->esc_clk); + if (ret) { + pr_err("%s: Failed to enable dsi esc clk\n", __func__); + goto esc_clk_err; + } + + ret = clk_prepare_enable(msm_host->src_clk); + if (ret) { + pr_err("%s: Failed to enable dsi src clk\n", __func__); + goto src_clk_err; + } + + ret = clk_prepare_enable(msm_host->pixel_clk); + if (ret) { + pr_err("%s: Failed to enable dsi pixel clk\n", __func__); + goto pixel_clk_err; + } + + return 0; + +pixel_clk_err: + clk_disable_unprepare(msm_host->src_clk); +src_clk_err: + clk_disable_unprepare(msm_host->esc_clk); +esc_clk_err: + clk_disable_unprepare(msm_host->byte_clk); +error: + return ret; +} + +void dsi_link_clk_disable_6g(struct msm_dsi_host *msm_host) +{ + /* Drop the performance state vote */ + dev_pm_opp_set_rate(&msm_host->pdev->dev, 0); + clk_disable_unprepare(msm_host->esc_clk); + clk_disable_unprepare(msm_host->pixel_clk); + if (msm_host->byte_intf_clk) + clk_disable_unprepare(msm_host->byte_intf_clk); + clk_disable_unprepare(msm_host->byte_clk); +} + +void dsi_link_clk_disable_v2(struct msm_dsi_host *msm_host) +{ + clk_disable_unprepare(msm_host->pixel_clk); + clk_disable_unprepare(msm_host->src_clk); + clk_disable_unprepare(msm_host->esc_clk); + clk_disable_unprepare(msm_host->byte_clk); +} + +static u32 dsi_get_pclk_rate(struct msm_dsi_host *msm_host, bool is_dual_dsi) +{ + struct drm_display_mode *mode = msm_host->mode; + u32 pclk_rate; + + pclk_rate = mode->clock * 1000; + + /* + * For dual DSI mode, the current DRM mode has the complete width of the + * panel. Since, the complete panel is driven by two DSI controllers, + * the clock rates have to be split between the two dsi controllers. + * Adjust the byte and pixel clock rates for each dsi host accordingly. + */ + if (is_dual_dsi) + pclk_rate /= 2; + + return pclk_rate; +} + +static void dsi_calc_pclk(struct msm_dsi_host *msm_host, bool is_dual_dsi) +{ + u8 lanes = msm_host->lanes; + u32 bpp = dsi_get_bpp(msm_host->format); + u32 pclk_rate = dsi_get_pclk_rate(msm_host, is_dual_dsi); + u64 pclk_bpp = (u64)pclk_rate * bpp; + + if (lanes == 0) { + pr_err("%s: forcing mdss_dsi lanes to 1\n", __func__); + lanes = 1; + } + + do_div(pclk_bpp, (8 * lanes)); + + msm_host->pixel_clk_rate = pclk_rate; + msm_host->byte_clk_rate = pclk_bpp; + + DBG("pclk=%d, bclk=%d", msm_host->pixel_clk_rate, + msm_host->byte_clk_rate); + +} + +int dsi_calc_clk_rate_6g(struct msm_dsi_host *msm_host, bool is_dual_dsi) +{ + if (!msm_host->mode) { + pr_err("%s: mode not set\n", __func__); + return -EINVAL; + } + + dsi_calc_pclk(msm_host, is_dual_dsi); + msm_host->esc_clk_rate = clk_get_rate(msm_host->esc_clk); + return 0; +} + +int dsi_calc_clk_rate_v2(struct msm_dsi_host *msm_host, bool is_dual_dsi) +{ + u32 bpp = dsi_get_bpp(msm_host->format); + u64 pclk_bpp; + unsigned int esc_mhz, esc_div; + unsigned long byte_mhz; + + dsi_calc_pclk(msm_host, is_dual_dsi); + + pclk_bpp = (u64)dsi_get_pclk_rate(msm_host, is_dual_dsi) * bpp; + do_div(pclk_bpp, 8); + msm_host->src_clk_rate = pclk_bpp; + + /* + * esc clock is byte clock followed by a 4 bit divider, + * we need to find an escape clock frequency within the + * mipi DSI spec range within the maximum divider limit + * We iterate here between an escape clock frequencey + * between 20 Mhz to 5 Mhz and pick up the first one + * that can be supported by our divider + */ + + byte_mhz = msm_host->byte_clk_rate / 1000000; + + for (esc_mhz = 20; esc_mhz >= 5; esc_mhz--) { + esc_div = DIV_ROUND_UP(byte_mhz, esc_mhz); + + /* + * TODO: Ideally, we shouldn't know what sort of divider + * is available in mmss_cc, we're just assuming that + * it'll always be a 4 bit divider. Need to come up with + * a better way here. + */ + if (esc_div >= 1 && esc_div <= 16) + break; + } + + if (esc_mhz < 5) + return -EINVAL; + + msm_host->esc_clk_rate = msm_host->byte_clk_rate / esc_div; + + DBG("esc=%d, src=%d", msm_host->esc_clk_rate, + msm_host->src_clk_rate); + + return 0; +} + +static void dsi_intr_ctrl(struct msm_dsi_host *msm_host, u32 mask, int enable) +{ + u32 intr; + unsigned long flags; + + spin_lock_irqsave(&msm_host->intr_lock, flags); + intr = dsi_read(msm_host, REG_DSI_INTR_CTRL); + + if (enable) + intr |= mask; + else + intr &= ~mask; + + DBG("intr=%x enable=%d", intr, enable); + + dsi_write(msm_host, REG_DSI_INTR_CTRL, intr); + spin_unlock_irqrestore(&msm_host->intr_lock, flags); +} + +static inline enum dsi_traffic_mode dsi_get_traffic_mode(const u32 mode_flags) +{ + if (mode_flags & MIPI_DSI_MODE_VIDEO_BURST) + return BURST_MODE; + else if (mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE) + return NON_BURST_SYNCH_PULSE; + + return NON_BURST_SYNCH_EVENT; +} + +static inline enum dsi_vid_dst_format dsi_get_vid_fmt( + const enum mipi_dsi_pixel_format mipi_fmt) +{ + switch (mipi_fmt) { + case MIPI_DSI_FMT_RGB888: return VID_DST_FORMAT_RGB888; + case MIPI_DSI_FMT_RGB666: return VID_DST_FORMAT_RGB666_LOOSE; + case MIPI_DSI_FMT_RGB666_PACKED: return VID_DST_FORMAT_RGB666; + case MIPI_DSI_FMT_RGB565: return VID_DST_FORMAT_RGB565; + default: return VID_DST_FORMAT_RGB888; + } +} + +static inline enum dsi_cmd_dst_format dsi_get_cmd_fmt( + const enum mipi_dsi_pixel_format mipi_fmt) +{ + switch (mipi_fmt) { + case MIPI_DSI_FMT_RGB888: return CMD_DST_FORMAT_RGB888; + case MIPI_DSI_FMT_RGB666_PACKED: + case MIPI_DSI_FMT_RGB666: return CMD_DST_FORMAT_RGB666; + case MIPI_DSI_FMT_RGB565: return CMD_DST_FORMAT_RGB565; + default: return CMD_DST_FORMAT_RGB888; + } +} + +static void dsi_ctrl_config(struct msm_dsi_host *msm_host, bool enable, + struct msm_dsi_phy_shared_timings *phy_shared_timings) +{ + u32 flags = msm_host->mode_flags; + enum mipi_dsi_pixel_format mipi_fmt = msm_host->format; + const struct msm_dsi_cfg_handler *cfg_hnd = msm_host->cfg_hnd; + u32 data = 0, lane_ctrl = 0; + + if (!enable) { + dsi_write(msm_host, REG_DSI_CTRL, 0); + return; + } + + if (flags & MIPI_DSI_MODE_VIDEO) { + if (flags & MIPI_DSI_MODE_VIDEO_HSE) + data |= DSI_VID_CFG0_PULSE_MODE_HSA_HE; + if (flags & MIPI_DSI_MODE_VIDEO_HFP) + data |= DSI_VID_CFG0_HFP_POWER_STOP; + if (flags & MIPI_DSI_MODE_VIDEO_HBP) + data |= DSI_VID_CFG0_HBP_POWER_STOP; + if (flags & MIPI_DSI_MODE_VIDEO_HSA) + data |= DSI_VID_CFG0_HSA_POWER_STOP; + /* Always set low power stop mode for BLLP + * to let command engine send packets + */ + data |= DSI_VID_CFG0_EOF_BLLP_POWER_STOP | + DSI_VID_CFG0_BLLP_POWER_STOP; + data |= DSI_VID_CFG0_TRAFFIC_MODE(dsi_get_traffic_mode(flags)); + data |= DSI_VID_CFG0_DST_FORMAT(dsi_get_vid_fmt(mipi_fmt)); + data |= DSI_VID_CFG0_VIRT_CHANNEL(msm_host->channel); + dsi_write(msm_host, REG_DSI_VID_CFG0, data); + + /* Do not swap RGB colors */ + data = DSI_VID_CFG1_RGB_SWAP(SWAP_RGB); + dsi_write(msm_host, REG_DSI_VID_CFG1, 0); + } else { + /* Do not swap RGB colors */ + data = DSI_CMD_CFG0_RGB_SWAP(SWAP_RGB); + data |= DSI_CMD_CFG0_DST_FORMAT(dsi_get_cmd_fmt(mipi_fmt)); + dsi_write(msm_host, REG_DSI_CMD_CFG0, data); + + data = DSI_CMD_CFG1_WR_MEM_START(MIPI_DCS_WRITE_MEMORY_START) | + DSI_CMD_CFG1_WR_MEM_CONTINUE( + MIPI_DCS_WRITE_MEMORY_CONTINUE); + /* Always insert DCS command */ + data |= DSI_CMD_CFG1_INSERT_DCS_COMMAND; + dsi_write(msm_host, REG_DSI_CMD_CFG1, data); + } + + dsi_write(msm_host, REG_DSI_CMD_DMA_CTRL, + DSI_CMD_DMA_CTRL_FROM_FRAME_BUFFER | + DSI_CMD_DMA_CTRL_LOW_POWER); + + data = 0; + /* Always assume dedicated TE pin */ + data |= DSI_TRIG_CTRL_TE; + data |= DSI_TRIG_CTRL_MDP_TRIGGER(TRIGGER_NONE); + data |= DSI_TRIG_CTRL_DMA_TRIGGER(TRIGGER_SW); + data |= DSI_TRIG_CTRL_STREAM(msm_host->channel); + if ((cfg_hnd->major == MSM_DSI_VER_MAJOR_6G) && + (cfg_hnd->minor >= MSM_DSI_6G_VER_MINOR_V1_2)) + data |= DSI_TRIG_CTRL_BLOCK_DMA_WITHIN_FRAME; + dsi_write(msm_host, REG_DSI_TRIG_CTRL, data); + + data = DSI_CLKOUT_TIMING_CTRL_T_CLK_POST(phy_shared_timings->clk_post) | + DSI_CLKOUT_TIMING_CTRL_T_CLK_PRE(phy_shared_timings->clk_pre); + dsi_write(msm_host, REG_DSI_CLKOUT_TIMING_CTRL, data); + + if ((cfg_hnd->major == MSM_DSI_VER_MAJOR_6G) && + (cfg_hnd->minor > MSM_DSI_6G_VER_MINOR_V1_0) && + phy_shared_timings->clk_pre_inc_by_2) + dsi_write(msm_host, REG_DSI_T_CLK_PRE_EXTEND, + DSI_T_CLK_PRE_EXTEND_INC_BY_2_BYTECLK); + + data = 0; + if (!(flags & MIPI_DSI_MODE_EOT_PACKET)) + data |= DSI_EOT_PACKET_CTRL_TX_EOT_APPEND; + dsi_write(msm_host, REG_DSI_EOT_PACKET_CTRL, data); + + /* allow only ack-err-status to generate interrupt */ + dsi_write(msm_host, REG_DSI_ERR_INT_MASK0, 0x13ff3fe0); + + dsi_intr_ctrl(msm_host, DSI_IRQ_MASK_ERROR, 1); + + dsi_write(msm_host, REG_DSI_CLK_CTRL, DSI_CLK_CTRL_ENABLE_CLKS); + + data = DSI_CTRL_CLK_EN; + + DBG("lane number=%d", msm_host->lanes); + data |= ((DSI_CTRL_LANE0 << msm_host->lanes) - DSI_CTRL_LANE0); + + dsi_write(msm_host, REG_DSI_LANE_SWAP_CTRL, + DSI_LANE_SWAP_CTRL_DLN_SWAP_SEL(msm_host->dlane_swap)); + + if (!(flags & MIPI_DSI_CLOCK_NON_CONTINUOUS)) { + lane_ctrl = dsi_read(msm_host, REG_DSI_LANE_CTRL); + dsi_write(msm_host, REG_DSI_LANE_CTRL, + lane_ctrl | DSI_LANE_CTRL_CLKLN_HS_FORCE_REQUEST); + } + + data |= DSI_CTRL_ENABLE; + + dsi_write(msm_host, REG_DSI_CTRL, data); +} + +static void dsi_timing_setup(struct msm_dsi_host *msm_host, bool is_dual_dsi) +{ + struct drm_display_mode *mode = msm_host->mode; + u32 hs_start = 0, vs_start = 0; /* take sync start as 0 */ + u32 h_total = mode->htotal; + u32 v_total = mode->vtotal; + u32 hs_end = mode->hsync_end - mode->hsync_start; + u32 vs_end = mode->vsync_end - mode->vsync_start; + u32 ha_start = h_total - mode->hsync_start; + u32 ha_end = ha_start + mode->hdisplay; + u32 va_start = v_total - mode->vsync_start; + u32 va_end = va_start + mode->vdisplay; + u32 hdisplay = mode->hdisplay; + u32 wc; + + DBG(""); + + /* + * For dual DSI mode, the current DRM mode has + * the complete width of the panel. Since, the complete + * panel is driven by two DSI controllers, the horizontal + * timings have to be split between the two dsi controllers. + * Adjust the DSI host timing values accordingly. + */ + if (is_dual_dsi) { + h_total /= 2; + hs_end /= 2; + ha_start /= 2; + ha_end /= 2; + hdisplay /= 2; + } + + if (msm_host->mode_flags & MIPI_DSI_MODE_VIDEO) { + dsi_write(msm_host, REG_DSI_ACTIVE_H, + DSI_ACTIVE_H_START(ha_start) | + DSI_ACTIVE_H_END(ha_end)); + dsi_write(msm_host, REG_DSI_ACTIVE_V, + DSI_ACTIVE_V_START(va_start) | + DSI_ACTIVE_V_END(va_end)); + dsi_write(msm_host, REG_DSI_TOTAL, + DSI_TOTAL_H_TOTAL(h_total - 1) | + DSI_TOTAL_V_TOTAL(v_total - 1)); + + dsi_write(msm_host, REG_DSI_ACTIVE_HSYNC, + DSI_ACTIVE_HSYNC_START(hs_start) | + DSI_ACTIVE_HSYNC_END(hs_end)); + dsi_write(msm_host, REG_DSI_ACTIVE_VSYNC_HPOS, 0); + dsi_write(msm_host, REG_DSI_ACTIVE_VSYNC_VPOS, + DSI_ACTIVE_VSYNC_VPOS_START(vs_start) | + DSI_ACTIVE_VSYNC_VPOS_END(vs_end)); + } else { /* command mode */ + /* image data and 1 byte write_memory_start cmd */ + wc = hdisplay * dsi_get_bpp(msm_host->format) / 8 + 1; + + dsi_write(msm_host, REG_DSI_CMD_MDP_STREAM0_CTRL, + DSI_CMD_MDP_STREAM0_CTRL_WORD_COUNT(wc) | + DSI_CMD_MDP_STREAM0_CTRL_VIRTUAL_CHANNEL( + msm_host->channel) | + DSI_CMD_MDP_STREAM0_CTRL_DATA_TYPE( + MIPI_DSI_DCS_LONG_WRITE)); + + dsi_write(msm_host, REG_DSI_CMD_MDP_STREAM0_TOTAL, + DSI_CMD_MDP_STREAM0_TOTAL_H_TOTAL(hdisplay) | + DSI_CMD_MDP_STREAM0_TOTAL_V_TOTAL(mode->vdisplay)); + } +} + +static void dsi_sw_reset(struct msm_dsi_host *msm_host) +{ + dsi_write(msm_host, REG_DSI_CLK_CTRL, DSI_CLK_CTRL_ENABLE_CLKS); + wmb(); /* clocks need to be enabled before reset */ + + dsi_write(msm_host, REG_DSI_RESET, 1); + msleep(DSI_RESET_TOGGLE_DELAY_MS); /* make sure reset happen */ + dsi_write(msm_host, REG_DSI_RESET, 0); +} + +static void dsi_op_mode_config(struct msm_dsi_host *msm_host, + bool video_mode, bool enable) +{ + u32 dsi_ctrl; + + dsi_ctrl = dsi_read(msm_host, REG_DSI_CTRL); + + if (!enable) { + dsi_ctrl &= ~(DSI_CTRL_ENABLE | DSI_CTRL_VID_MODE_EN | + DSI_CTRL_CMD_MODE_EN); + dsi_intr_ctrl(msm_host, DSI_IRQ_MASK_CMD_MDP_DONE | + DSI_IRQ_MASK_VIDEO_DONE, 0); + } else { + if (video_mode) { + dsi_ctrl |= DSI_CTRL_VID_MODE_EN; + } else { /* command mode */ + dsi_ctrl |= DSI_CTRL_CMD_MODE_EN; + dsi_intr_ctrl(msm_host, DSI_IRQ_MASK_CMD_MDP_DONE, 1); + } + dsi_ctrl |= DSI_CTRL_ENABLE; + } + + dsi_write(msm_host, REG_DSI_CTRL, dsi_ctrl); +} + +static void dsi_set_tx_power_mode(int mode, struct msm_dsi_host *msm_host) +{ + u32 data; + + data = dsi_read(msm_host, REG_DSI_CMD_DMA_CTRL); + + if (mode == 0) + data &= ~DSI_CMD_DMA_CTRL_LOW_POWER; + else + data |= DSI_CMD_DMA_CTRL_LOW_POWER; + + dsi_write(msm_host, REG_DSI_CMD_DMA_CTRL, data); +} + +static void dsi_wait4video_done(struct msm_dsi_host *msm_host) +{ + u32 ret = 0; + struct device *dev = &msm_host->pdev->dev; + + dsi_intr_ctrl(msm_host, DSI_IRQ_MASK_VIDEO_DONE, 1); + + reinit_completion(&msm_host->video_comp); + + ret = wait_for_completion_timeout(&msm_host->video_comp, + msecs_to_jiffies(70)); + + if (ret == 0) + DRM_DEV_ERROR(dev, "wait for video done timed out\n"); + + dsi_intr_ctrl(msm_host, DSI_IRQ_MASK_VIDEO_DONE, 0); +} + +static void dsi_wait4video_eng_busy(struct msm_dsi_host *msm_host) +{ + u32 data; + + if (!(msm_host->mode_flags & MIPI_DSI_MODE_VIDEO)) + return; + + data = dsi_read(msm_host, REG_DSI_STATUS0); + + /* if video mode engine is not busy, its because + * either timing engine was not turned on or the + * DSI controller has finished transmitting the video + * data already, so no need to wait in those cases + */ + if (!(data & DSI_STATUS0_VIDEO_MODE_ENGINE_BUSY)) + return; + + if (msm_host->power_on && msm_host->enabled) { + dsi_wait4video_done(msm_host); + /* delay 4 ms to skip BLLP */ + usleep_range(2000, 4000); + } +} + +int dsi_tx_buf_alloc_6g(struct msm_dsi_host *msm_host, int size) +{ + struct drm_device *dev = msm_host->dev; + struct msm_drm_private *priv = dev->dev_private; + uint64_t iova; + u8 *data; + + data = msm_gem_kernel_new(dev, size, MSM_BO_UNCACHED, + priv->kms->aspace, + &msm_host->tx_gem_obj, &iova); + + if (IS_ERR(data)) { + msm_host->tx_gem_obj = NULL; + return PTR_ERR(data); + } + + msm_gem_object_set_name(msm_host->tx_gem_obj, "tx_gem"); + + msm_host->tx_size = msm_host->tx_gem_obj->size; + + return 0; +} + +int dsi_tx_buf_alloc_v2(struct msm_dsi_host *msm_host, int size) +{ + struct drm_device *dev = msm_host->dev; + + msm_host->tx_buf = dma_alloc_coherent(dev->dev, size, + &msm_host->tx_buf_paddr, GFP_KERNEL); + if (!msm_host->tx_buf) + return -ENOMEM; + + msm_host->tx_size = size; + + return 0; +} + +static void dsi_tx_buf_free(struct msm_dsi_host *msm_host) +{ + struct drm_device *dev = msm_host->dev; + struct msm_drm_private *priv; + + /* + * This is possible if we're tearing down before we've had a chance to + * fully initialize. A very real possibility if our probe is deferred, + * in which case we'll hit msm_dsi_host_destroy() without having run + * through the dsi_tx_buf_alloc(). + */ + if (!dev) + return; + + priv = dev->dev_private; + if (msm_host->tx_gem_obj) { + msm_gem_unpin_iova(msm_host->tx_gem_obj, priv->kms->aspace); + drm_gem_object_put(msm_host->tx_gem_obj); + msm_host->tx_gem_obj = NULL; + } + + if (msm_host->tx_buf) + dma_free_coherent(dev->dev, msm_host->tx_size, msm_host->tx_buf, + msm_host->tx_buf_paddr); +} + +void *dsi_tx_buf_get_6g(struct msm_dsi_host *msm_host) +{ + return msm_gem_get_vaddr(msm_host->tx_gem_obj); +} + +void *dsi_tx_buf_get_v2(struct msm_dsi_host *msm_host) +{ + return msm_host->tx_buf; +} + +void dsi_tx_buf_put_6g(struct msm_dsi_host *msm_host) +{ + msm_gem_put_vaddr(msm_host->tx_gem_obj); +} + +/* + * prepare cmd buffer to be txed + */ +static int dsi_cmd_dma_add(struct msm_dsi_host *msm_host, + const struct mipi_dsi_msg *msg) +{ + const struct msm_dsi_cfg_handler *cfg_hnd = msm_host->cfg_hnd; + struct mipi_dsi_packet packet; + int len; + int ret; + u8 *data; + + ret = mipi_dsi_create_packet(&packet, msg); + if (ret) { + pr_err("%s: create packet failed, %d\n", __func__, ret); + return ret; + } + len = (packet.size + 3) & (~0x3); + + if (len > msm_host->tx_size) { + pr_err("%s: packet size is too big\n", __func__); + return -EINVAL; + } + + data = cfg_hnd->ops->tx_buf_get(msm_host); + if (IS_ERR(data)) { + ret = PTR_ERR(data); + pr_err("%s: get vaddr failed, %d\n", __func__, ret); + return ret; + } + + /* MSM specific command format in memory */ + data[0] = packet.header[1]; + data[1] = packet.header[2]; + data[2] = packet.header[0]; + data[3] = BIT(7); /* Last packet */ + if (mipi_dsi_packet_format_is_long(msg->type)) + data[3] |= BIT(6); + if (msg->rx_buf && msg->rx_len) + data[3] |= BIT(5); + + /* Long packet */ + if (packet.payload && packet.payload_length) + memcpy(data + 4, packet.payload, packet.payload_length); + + /* Append 0xff to the end */ + if (packet.size < len) + memset(data + packet.size, 0xff, len - packet.size); + + if (cfg_hnd->ops->tx_buf_put) + cfg_hnd->ops->tx_buf_put(msm_host); + + return len; +} + +/* + * dsi_short_read1_resp: 1 parameter + */ +static int dsi_short_read1_resp(u8 *buf, const struct mipi_dsi_msg *msg) +{ + u8 *data = msg->rx_buf; + if (data && (msg->rx_len >= 1)) { + *data = buf[1]; /* strip out dcs type */ + return 1; + } else { + pr_err("%s: read data does not match with rx_buf len %zu\n", + __func__, msg->rx_len); + return -EINVAL; + } +} + +/* + * dsi_short_read2_resp: 2 parameter + */ +static int dsi_short_read2_resp(u8 *buf, const struct mipi_dsi_msg *msg) +{ + u8 *data = msg->rx_buf; + if (data && (msg->rx_len >= 2)) { + data[0] = buf[1]; /* strip out dcs type */ + data[1] = buf[2]; + return 2; + } else { + pr_err("%s: read data does not match with rx_buf len %zu\n", + __func__, msg->rx_len); + return -EINVAL; + } +} + +static int dsi_long_read_resp(u8 *buf, const struct mipi_dsi_msg *msg) +{ + /* strip out 4 byte dcs header */ + if (msg->rx_buf && msg->rx_len) + memcpy(msg->rx_buf, buf + 4, msg->rx_len); + + return msg->rx_len; +} + +int dsi_dma_base_get_6g(struct msm_dsi_host *msm_host, uint64_t *dma_base) +{ + struct drm_device *dev = msm_host->dev; + struct msm_drm_private *priv = dev->dev_private; + + if (!dma_base) + return -EINVAL; + + return msm_gem_get_and_pin_iova(msm_host->tx_gem_obj, + priv->kms->aspace, dma_base); +} + +int dsi_dma_base_get_v2(struct msm_dsi_host *msm_host, uint64_t *dma_base) +{ + if (!dma_base) + return -EINVAL; + + *dma_base = msm_host->tx_buf_paddr; + return 0; +} + +static int dsi_cmd_dma_tx(struct msm_dsi_host *msm_host, int len) +{ + const struct msm_dsi_cfg_handler *cfg_hnd = msm_host->cfg_hnd; + int ret; + uint64_t dma_base; + bool triggered; + + ret = cfg_hnd->ops->dma_base_get(msm_host, &dma_base); + if (ret) { + pr_err("%s: failed to get iova: %d\n", __func__, ret); + return ret; + } + + reinit_completion(&msm_host->dma_comp); + + dsi_wait4video_eng_busy(msm_host); + + triggered = msm_dsi_manager_cmd_xfer_trigger( + msm_host->id, dma_base, len); + if (triggered) { + ret = wait_for_completion_timeout(&msm_host->dma_comp, + msecs_to_jiffies(200)); + DBG("ret=%d", ret); + if (ret == 0) + ret = -ETIMEDOUT; + else + ret = len; + } else + ret = len; + + return ret; +} + +static int dsi_cmd_dma_rx(struct msm_dsi_host *msm_host, + u8 *buf, int rx_byte, int pkt_size) +{ + u32 *temp, data; + int i, j = 0, cnt; + u32 read_cnt; + u8 reg[16]; + int repeated_bytes = 0; + int buf_offset = buf - msm_host->rx_buf; + + temp = (u32 *)reg; + cnt = (rx_byte + 3) >> 2; + if (cnt > 4) + cnt = 4; /* 4 x 32 bits registers only */ + + if (rx_byte == 4) + read_cnt = 4; + else + read_cnt = pkt_size + 6; + + /* + * In case of multiple reads from the panel, after the first read, there + * is possibility that there are some bytes in the payload repeating in + * the RDBK_DATA registers. Since we read all the parameters from the + * panel right from the first byte for every pass. We need to skip the + * repeating bytes and then append the new parameters to the rx buffer. + */ + if (read_cnt > 16) { + int bytes_shifted; + /* Any data more than 16 bytes will be shifted out. + * The temp read buffer should already contain these bytes. + * The remaining bytes in read buffer are the repeated bytes. + */ + bytes_shifted = read_cnt - 16; + repeated_bytes = buf_offset - bytes_shifted; + } + + for (i = cnt - 1; i >= 0; i--) { + data = dsi_read(msm_host, REG_DSI_RDBK_DATA(i)); + *temp++ = ntohl(data); /* to host byte order */ + DBG("data = 0x%x and ntohl(data) = 0x%x", data, ntohl(data)); + } + + for (i = repeated_bytes; i < 16; i++) + buf[j++] = reg[i]; + + return j; +} + +static int dsi_cmds2buf_tx(struct msm_dsi_host *msm_host, + const struct mipi_dsi_msg *msg) +{ + int len, ret; + int bllp_len = msm_host->mode->hdisplay * + dsi_get_bpp(msm_host->format) / 8; + + len = dsi_cmd_dma_add(msm_host, msg); + if (len < 0) { + pr_err("%s: failed to add cmd type = 0x%x\n", + __func__, msg->type); + return len; + } + + /* for video mode, do not send cmds more than + * one pixel line, since it only transmit it + * during BLLP. + */ + /* TODO: if the command is sent in LP mode, the bit rate is only + * half of esc clk rate. In this case, if the video is already + * actively streaming, we need to check more carefully if the + * command can be fit into one BLLP. + */ + if ((msm_host->mode_flags & MIPI_DSI_MODE_VIDEO) && (len > bllp_len)) { + pr_err("%s: cmd cannot fit into BLLP period, len=%d\n", + __func__, len); + return -EINVAL; + } + + ret = dsi_cmd_dma_tx(msm_host, len); + if (ret < 0) { + pr_err("%s: cmd dma tx failed, type=0x%x, data0=0x%x, len=%d, ret=%d\n", + __func__, msg->type, (*(u8 *)(msg->tx_buf)), len, ret); + return ret; + } else if (ret < len) { + pr_err("%s: cmd dma tx failed, type=0x%x, data0=0x%x, ret=%d len=%d\n", + __func__, msg->type, (*(u8 *)(msg->tx_buf)), ret, len); + return -EIO; + } + + return len; +} + +static void dsi_sw_reset_restore(struct msm_dsi_host *msm_host) +{ + u32 data0, data1; + + data0 = dsi_read(msm_host, REG_DSI_CTRL); + data1 = data0; + data1 &= ~DSI_CTRL_ENABLE; + dsi_write(msm_host, REG_DSI_CTRL, data1); + /* + * dsi controller need to be disabled before + * clocks turned on + */ + wmb(); + + dsi_write(msm_host, REG_DSI_CLK_CTRL, DSI_CLK_CTRL_ENABLE_CLKS); + wmb(); /* make sure clocks enabled */ + + /* dsi controller can only be reset while clocks are running */ + dsi_write(msm_host, REG_DSI_RESET, 1); + msleep(DSI_RESET_TOGGLE_DELAY_MS); /* make sure reset happen */ + dsi_write(msm_host, REG_DSI_RESET, 0); + wmb(); /* controller out of reset */ + dsi_write(msm_host, REG_DSI_CTRL, data0); + wmb(); /* make sure dsi controller enabled again */ +} + +static void dsi_hpd_worker(struct work_struct *work) +{ + struct msm_dsi_host *msm_host = + container_of(work, struct msm_dsi_host, hpd_work); + + drm_helper_hpd_irq_event(msm_host->dev); +} + +static void dsi_err_worker(struct work_struct *work) +{ + struct msm_dsi_host *msm_host = + container_of(work, struct msm_dsi_host, err_work); + u32 status = msm_host->err_work_state; + + pr_err_ratelimited("%s: status=%x\n", __func__, status); + if (status & DSI_ERR_STATE_MDP_FIFO_UNDERFLOW) + dsi_sw_reset_restore(msm_host); + + /* It is safe to clear here because error irq is disabled. */ + msm_host->err_work_state = 0; + + /* enable dsi error interrupt */ + dsi_intr_ctrl(msm_host, DSI_IRQ_MASK_ERROR, 1); +} + +static void dsi_ack_err_status(struct msm_dsi_host *msm_host) +{ + u32 status; + + status = dsi_read(msm_host, REG_DSI_ACK_ERR_STATUS); + + if (status) { + dsi_write(msm_host, REG_DSI_ACK_ERR_STATUS, status); + /* Writing of an extra 0 needed to clear error bits */ + dsi_write(msm_host, REG_DSI_ACK_ERR_STATUS, 0); + msm_host->err_work_state |= DSI_ERR_STATE_ACK; + } +} + +static void dsi_timeout_status(struct msm_dsi_host *msm_host) +{ + u32 status; + + status = dsi_read(msm_host, REG_DSI_TIMEOUT_STATUS); + + if (status) { + dsi_write(msm_host, REG_DSI_TIMEOUT_STATUS, status); + msm_host->err_work_state |= DSI_ERR_STATE_TIMEOUT; + } +} + +static void dsi_dln0_phy_err(struct msm_dsi_host *msm_host) +{ + u32 status; + + status = dsi_read(msm_host, REG_DSI_DLN0_PHY_ERR); + + if (status & (DSI_DLN0_PHY_ERR_DLN0_ERR_ESC | + DSI_DLN0_PHY_ERR_DLN0_ERR_SYNC_ESC | + DSI_DLN0_PHY_ERR_DLN0_ERR_CONTROL | + DSI_DLN0_PHY_ERR_DLN0_ERR_CONTENTION_LP0 | + DSI_DLN0_PHY_ERR_DLN0_ERR_CONTENTION_LP1)) { + dsi_write(msm_host, REG_DSI_DLN0_PHY_ERR, status); + msm_host->err_work_state |= DSI_ERR_STATE_DLN0_PHY; + } +} + +static void dsi_fifo_status(struct msm_dsi_host *msm_host) +{ + u32 status; + + status = dsi_read(msm_host, REG_DSI_FIFO_STATUS); + + /* fifo underflow, overflow */ + if (status) { + dsi_write(msm_host, REG_DSI_FIFO_STATUS, status); + msm_host->err_work_state |= DSI_ERR_STATE_FIFO; + if (status & DSI_FIFO_STATUS_CMD_MDP_FIFO_UNDERFLOW) + msm_host->err_work_state |= + DSI_ERR_STATE_MDP_FIFO_UNDERFLOW; + } +} + +static void dsi_status(struct msm_dsi_host *msm_host) +{ + u32 status; + + status = dsi_read(msm_host, REG_DSI_STATUS0); + + if (status & DSI_STATUS0_INTERLEAVE_OP_CONTENTION) { + dsi_write(msm_host, REG_DSI_STATUS0, status); + msm_host->err_work_state |= + DSI_ERR_STATE_INTERLEAVE_OP_CONTENTION; + } +} + +static void dsi_clk_status(struct msm_dsi_host *msm_host) +{ + u32 status; + + status = dsi_read(msm_host, REG_DSI_CLK_STATUS); + + if (status & DSI_CLK_STATUS_PLL_UNLOCKED) { + dsi_write(msm_host, REG_DSI_CLK_STATUS, status); + msm_host->err_work_state |= DSI_ERR_STATE_PLL_UNLOCKED; + } +} + +static void dsi_error(struct msm_dsi_host *msm_host) +{ + /* disable dsi error interrupt */ + dsi_intr_ctrl(msm_host, DSI_IRQ_MASK_ERROR, 0); + + dsi_clk_status(msm_host); + dsi_fifo_status(msm_host); + dsi_ack_err_status(msm_host); + dsi_timeout_status(msm_host); + dsi_status(msm_host); + dsi_dln0_phy_err(msm_host); + + queue_work(msm_host->workqueue, &msm_host->err_work); +} + +static irqreturn_t dsi_host_irq(int irq, void *ptr) +{ + struct msm_dsi_host *msm_host = ptr; + u32 isr; + unsigned long flags; + + if (!msm_host->ctrl_base) + return IRQ_HANDLED; + + spin_lock_irqsave(&msm_host->intr_lock, flags); + isr = dsi_read(msm_host, REG_DSI_INTR_CTRL); + dsi_write(msm_host, REG_DSI_INTR_CTRL, isr); + spin_unlock_irqrestore(&msm_host->intr_lock, flags); + + DBG("isr=0x%x, id=%d", isr, msm_host->id); + + if (isr & DSI_IRQ_ERROR) + dsi_error(msm_host); + + if (isr & DSI_IRQ_VIDEO_DONE) + complete(&msm_host->video_comp); + + if (isr & DSI_IRQ_CMD_DMA_DONE) + complete(&msm_host->dma_comp); + + return IRQ_HANDLED; +} + +static int dsi_host_init_panel_gpios(struct msm_dsi_host *msm_host, + struct device *panel_device) +{ + msm_host->disp_en_gpio = devm_gpiod_get_optional(panel_device, + "disp-enable", + GPIOD_OUT_LOW); + if (IS_ERR(msm_host->disp_en_gpio)) { + DBG("cannot get disp-enable-gpios %ld", + PTR_ERR(msm_host->disp_en_gpio)); + return PTR_ERR(msm_host->disp_en_gpio); + } + + msm_host->te_gpio = devm_gpiod_get_optional(panel_device, "disp-te", + GPIOD_IN); + if (IS_ERR(msm_host->te_gpio)) { + DBG("cannot get disp-te-gpios %ld", PTR_ERR(msm_host->te_gpio)); + return PTR_ERR(msm_host->te_gpio); + } + + return 0; +} + +static int dsi_host_attach(struct mipi_dsi_host *host, + struct mipi_dsi_device *dsi) +{ + struct msm_dsi_host *msm_host = to_msm_dsi_host(host); + int ret; + + if (dsi->lanes > msm_host->num_data_lanes) + return -EINVAL; + + msm_host->channel = dsi->channel; + msm_host->lanes = dsi->lanes; + msm_host->format = dsi->format; + msm_host->mode_flags = dsi->mode_flags; + + /* Some gpios defined in panel DT need to be controlled by host */ + ret = dsi_host_init_panel_gpios(msm_host, &dsi->dev); + if (ret) + return ret; + + DBG("id=%d", msm_host->id); + if (msm_host->dev) + queue_work(msm_host->workqueue, &msm_host->hpd_work); + + return 0; +} + +static int dsi_host_detach(struct mipi_dsi_host *host, + struct mipi_dsi_device *dsi) +{ + struct msm_dsi_host *msm_host = to_msm_dsi_host(host); + + msm_host->device_node = NULL; + + DBG("id=%d", msm_host->id); + if (msm_host->dev) + queue_work(msm_host->workqueue, &msm_host->hpd_work); + + return 0; +} + +static ssize_t dsi_host_transfer(struct mipi_dsi_host *host, + const struct mipi_dsi_msg *msg) +{ + struct msm_dsi_host *msm_host = to_msm_dsi_host(host); + int ret; + + if (!msg || !msm_host->power_on) + return -EINVAL; + + mutex_lock(&msm_host->cmd_mutex); + ret = msm_dsi_manager_cmd_xfer(msm_host->id, msg); + mutex_unlock(&msm_host->cmd_mutex); + + return ret; +} + +static struct mipi_dsi_host_ops dsi_host_ops = { + .attach = dsi_host_attach, + .detach = dsi_host_detach, + .transfer = dsi_host_transfer, +}; + +/* + * List of supported physical to logical lane mappings. + * For example, the 2nd entry represents the following mapping: + * + * "3012": Logic 3->Phys 0; Logic 0->Phys 1; Logic 1->Phys 2; Logic 2->Phys 3; + */ +static const int supported_data_lane_swaps[][4] = { + { 0, 1, 2, 3 }, + { 3, 0, 1, 2 }, + { 2, 3, 0, 1 }, + { 1, 2, 3, 0 }, + { 0, 3, 2, 1 }, + { 1, 0, 3, 2 }, + { 2, 1, 0, 3 }, + { 3, 2, 1, 0 }, +}; + +static int dsi_host_parse_lane_data(struct msm_dsi_host *msm_host, + struct device_node *ep) +{ + struct device *dev = &msm_host->pdev->dev; + struct property *prop; + u32 lane_map[4]; + int ret, i, len, num_lanes; + + prop = of_find_property(ep, "data-lanes", &len); + if (!prop) { + DRM_DEV_DEBUG(dev, + "failed to find data lane mapping, using default\n"); + /* Set the number of date lanes to 4 by default. */ + msm_host->num_data_lanes = 4; + return 0; + } + + num_lanes = len / sizeof(u32); + + if (num_lanes < 1 || num_lanes > 4) { + DRM_DEV_ERROR(dev, "bad number of data lanes\n"); + return -EINVAL; + } + + msm_host->num_data_lanes = num_lanes; + + ret = of_property_read_u32_array(ep, "data-lanes", lane_map, + num_lanes); + if (ret) { + DRM_DEV_ERROR(dev, "failed to read lane data\n"); + return ret; + } + + /* + * compare DT specified physical-logical lane mappings with the ones + * supported by hardware + */ + for (i = 0; i < ARRAY_SIZE(supported_data_lane_swaps); i++) { + const int *swap = supported_data_lane_swaps[i]; + int j; + + /* + * the data-lanes array we get from DT has a logical->physical + * mapping. The "data lane swap" register field represents + * supported configurations in a physical->logical mapping. + * Translate the DT mapping to what we understand and find a + * configuration that works. + */ + for (j = 0; j < num_lanes; j++) { + if (lane_map[j] < 0 || lane_map[j] > 3) + DRM_DEV_ERROR(dev, "bad physical lane entry %u\n", + lane_map[j]); + + if (swap[lane_map[j]] != j) + break; + } + + if (j == num_lanes) { + msm_host->dlane_swap = i; + return 0; + } + } + + return -EINVAL; +} + +static int dsi_host_parse_dt(struct msm_dsi_host *msm_host) +{ + struct device *dev = &msm_host->pdev->dev; + struct device_node *np = dev->of_node; + struct device_node *endpoint, *device_node; + int ret = 0; + + /* + * Get the endpoint of the output port of the DSI host. In our case, + * this is mapped to port number with reg = 1. Don't return an error if + * the remote endpoint isn't defined. It's possible that there is + * nothing connected to the dsi output. + */ + endpoint = of_graph_get_endpoint_by_regs(np, 1, -1); + if (!endpoint) { + DRM_DEV_DEBUG(dev, "%s: no endpoint\n", __func__); + return 0; + } + + ret = dsi_host_parse_lane_data(msm_host, endpoint); + if (ret) { + DRM_DEV_ERROR(dev, "%s: invalid lane configuration %d\n", + __func__, ret); + ret = -EINVAL; + goto err; + } + + /* Get panel node from the output port's endpoint data */ + device_node = of_graph_get_remote_node(np, 1, 0); + if (!device_node) { + DRM_DEV_DEBUG(dev, "%s: no valid device\n", __func__); + ret = -ENODEV; + goto err; + } + + msm_host->device_node = device_node; + + if (of_property_read_bool(np, "syscon-sfpb")) { + msm_host->sfpb = syscon_regmap_lookup_by_phandle(np, + "syscon-sfpb"); + if (IS_ERR(msm_host->sfpb)) { + DRM_DEV_ERROR(dev, "%s: failed to get sfpb regmap\n", + __func__); + ret = PTR_ERR(msm_host->sfpb); + } + } + + of_node_put(device_node); + +err: + of_node_put(endpoint); + + return ret; +} + +static int dsi_host_get_id(struct msm_dsi_host *msm_host) +{ + struct platform_device *pdev = msm_host->pdev; + const struct msm_dsi_config *cfg = msm_host->cfg_hnd->cfg; + struct resource *res; + int i; + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dsi_ctrl"); + if (!res) + return -EINVAL; + + for (i = 0; i < cfg->num_dsi; i++) { + if (cfg->io_start[i] == res->start) + return i; + } + + return -EINVAL; +} + +int msm_dsi_host_init(struct msm_dsi *msm_dsi) +{ + struct msm_dsi_host *msm_host = NULL; + struct platform_device *pdev = msm_dsi->pdev; + int ret; + + msm_host = devm_kzalloc(&pdev->dev, sizeof(*msm_host), GFP_KERNEL); + if (!msm_host) { + pr_err("%s: FAILED: cannot alloc dsi host\n", + __func__); + ret = -ENOMEM; + goto fail; + } + + msm_host->pdev = pdev; + msm_dsi->host = &msm_host->base; + + ret = dsi_host_parse_dt(msm_host); + if (ret) { + pr_err("%s: failed to parse dt\n", __func__); + goto fail; + } + + msm_host->ctrl_base = msm_ioremap(pdev, "dsi_ctrl", "DSI CTRL"); + if (IS_ERR(msm_host->ctrl_base)) { + pr_err("%s: unable to map Dsi ctrl base\n", __func__); + ret = PTR_ERR(msm_host->ctrl_base); + goto fail; + } + + pm_runtime_enable(&pdev->dev); + + msm_host->cfg_hnd = dsi_get_config(msm_host); + if (!msm_host->cfg_hnd) { + ret = -EINVAL; + pr_err("%s: get config failed\n", __func__); + goto fail; + } + + msm_host->id = dsi_host_get_id(msm_host); + if (msm_host->id < 0) { + ret = msm_host->id; + pr_err("%s: unable to identify DSI host index\n", __func__); + goto fail; + } + + /* fixup base address by io offset */ + msm_host->ctrl_base += msm_host->cfg_hnd->cfg->io_offset; + + ret = dsi_regulator_init(msm_host); + if (ret) { + pr_err("%s: regulator init failed\n", __func__); + goto fail; + } + + ret = dsi_clk_init(msm_host); + if (ret) { + pr_err("%s: unable to initialize dsi clks\n", __func__); + goto fail; + } + + msm_host->rx_buf = devm_kzalloc(&pdev->dev, SZ_4K, GFP_KERNEL); + if (!msm_host->rx_buf) { + ret = -ENOMEM; + pr_err("%s: alloc rx temp buf failed\n", __func__); + goto fail; + } + + msm_host->opp_table = dev_pm_opp_set_clkname(&pdev->dev, "byte"); + if (IS_ERR(msm_host->opp_table)) + return PTR_ERR(msm_host->opp_table); + /* OPP table is optional */ + ret = dev_pm_opp_of_add_table(&pdev->dev); + if (!ret) { + msm_host->has_opp_table = true; + } else if (ret != -ENODEV) { + dev_err(&pdev->dev, "invalid OPP table in device tree\n"); + dev_pm_opp_put_clkname(msm_host->opp_table); + return ret; + } + + init_completion(&msm_host->dma_comp); + init_completion(&msm_host->video_comp); + mutex_init(&msm_host->dev_mutex); + mutex_init(&msm_host->cmd_mutex); + spin_lock_init(&msm_host->intr_lock); + + /* setup workqueue */ + msm_host->workqueue = alloc_ordered_workqueue("dsi_drm_work", 0); + if (!msm_host->workqueue) + return -ENOMEM; + + INIT_WORK(&msm_host->err_work, dsi_err_worker); + INIT_WORK(&msm_host->hpd_work, dsi_hpd_worker); + + msm_dsi->id = msm_host->id; + + DBG("Dsi Host %d initialized", msm_host->id); + return 0; + +fail: + return ret; +} + +void msm_dsi_host_destroy(struct mipi_dsi_host *host) +{ + struct msm_dsi_host *msm_host = to_msm_dsi_host(host); + + DBG(""); + dsi_tx_buf_free(msm_host); + if (msm_host->workqueue) { + flush_workqueue(msm_host->workqueue); + destroy_workqueue(msm_host->workqueue); + msm_host->workqueue = NULL; + } + + mutex_destroy(&msm_host->cmd_mutex); + mutex_destroy(&msm_host->dev_mutex); + + if (msm_host->has_opp_table) + dev_pm_opp_of_remove_table(&msm_host->pdev->dev); + dev_pm_opp_put_clkname(msm_host->opp_table); + pm_runtime_disable(&msm_host->pdev->dev); +} + +int msm_dsi_host_modeset_init(struct mipi_dsi_host *host, + struct drm_device *dev) +{ + struct msm_dsi_host *msm_host = to_msm_dsi_host(host); + const struct msm_dsi_cfg_handler *cfg_hnd = msm_host->cfg_hnd; + struct platform_device *pdev = msm_host->pdev; + int ret; + + msm_host->irq = irq_of_parse_and_map(pdev->dev.of_node, 0); + if (msm_host->irq < 0) { + ret = msm_host->irq; + DRM_DEV_ERROR(dev->dev, "failed to get irq: %d\n", ret); + return ret; + } + + ret = devm_request_irq(&pdev->dev, msm_host->irq, + dsi_host_irq, IRQF_TRIGGER_HIGH | IRQF_ONESHOT, + "dsi_isr", msm_host); + if (ret < 0) { + DRM_DEV_ERROR(&pdev->dev, "failed to request IRQ%u: %d\n", + msm_host->irq, ret); + return ret; + } + + msm_host->dev = dev; + ret = cfg_hnd->ops->tx_buf_alloc(msm_host, SZ_4K); + if (ret) { + pr_err("%s: alloc tx gem obj failed, %d\n", __func__, ret); + return ret; + } + + return 0; +} + +int msm_dsi_host_register(struct mipi_dsi_host *host, bool check_defer) +{ + struct msm_dsi_host *msm_host = to_msm_dsi_host(host); + int ret; + + /* Register mipi dsi host */ + if (!msm_host->registered) { + host->dev = &msm_host->pdev->dev; + host->ops = &dsi_host_ops; + ret = mipi_dsi_host_register(host); + if (ret) + return ret; + + msm_host->registered = true; + + /* If the panel driver has not been probed after host register, + * we should defer the host's probe. + * It makes sure panel is connected when fbcon detects + * connector status and gets the proper display mode to + * create framebuffer. + * Don't try to defer if there is nothing connected to the dsi + * output + */ + if (check_defer && msm_host->device_node) { + if (IS_ERR(of_drm_find_panel(msm_host->device_node))) + if (!of_drm_find_bridge(msm_host->device_node)) + return -EPROBE_DEFER; + } + } + + return 0; +} + +void msm_dsi_host_unregister(struct mipi_dsi_host *host) +{ + struct msm_dsi_host *msm_host = to_msm_dsi_host(host); + + if (msm_host->registered) { + mipi_dsi_host_unregister(host); + host->dev = NULL; + host->ops = NULL; + msm_host->registered = false; + } +} + +int msm_dsi_host_xfer_prepare(struct mipi_dsi_host *host, + const struct mipi_dsi_msg *msg) +{ + struct msm_dsi_host *msm_host = to_msm_dsi_host(host); + const struct msm_dsi_cfg_handler *cfg_hnd = msm_host->cfg_hnd; + + /* TODO: make sure dsi_cmd_mdp is idle. + * Since DSI6G v1.2.0, we can set DSI_TRIG_CTRL.BLOCK_DMA_WITHIN_FRAME + * to ask H/W to wait until cmd mdp is idle. S/W wait is not needed. + * How to handle the old versions? Wait for mdp cmd done? + */ + + /* + * mdss interrupt is generated in mdp core clock domain + * mdp clock need to be enabled to receive dsi interrupt + */ + pm_runtime_get_sync(&msm_host->pdev->dev); + cfg_hnd->ops->link_clk_set_rate(msm_host); + cfg_hnd->ops->link_clk_enable(msm_host); + + /* TODO: vote for bus bandwidth */ + + if (!(msg->flags & MIPI_DSI_MSG_USE_LPM)) + dsi_set_tx_power_mode(0, msm_host); + + msm_host->dma_cmd_ctrl_restore = dsi_read(msm_host, REG_DSI_CTRL); + dsi_write(msm_host, REG_DSI_CTRL, + msm_host->dma_cmd_ctrl_restore | + DSI_CTRL_CMD_MODE_EN | + DSI_CTRL_ENABLE); + dsi_intr_ctrl(msm_host, DSI_IRQ_MASK_CMD_DMA_DONE, 1); + + return 0; +} + +void msm_dsi_host_xfer_restore(struct mipi_dsi_host *host, + const struct mipi_dsi_msg *msg) +{ + struct msm_dsi_host *msm_host = to_msm_dsi_host(host); + const struct msm_dsi_cfg_handler *cfg_hnd = msm_host->cfg_hnd; + + dsi_intr_ctrl(msm_host, DSI_IRQ_MASK_CMD_DMA_DONE, 0); + dsi_write(msm_host, REG_DSI_CTRL, msm_host->dma_cmd_ctrl_restore); + + if (!(msg->flags & MIPI_DSI_MSG_USE_LPM)) + dsi_set_tx_power_mode(1, msm_host); + + /* TODO: unvote for bus bandwidth */ + + cfg_hnd->ops->link_clk_disable(msm_host); + pm_runtime_put_autosuspend(&msm_host->pdev->dev); +} + +int msm_dsi_host_cmd_tx(struct mipi_dsi_host *host, + const struct mipi_dsi_msg *msg) +{ + struct msm_dsi_host *msm_host = to_msm_dsi_host(host); + + return dsi_cmds2buf_tx(msm_host, msg); +} + +int msm_dsi_host_cmd_rx(struct mipi_dsi_host *host, + const struct mipi_dsi_msg *msg) +{ + struct msm_dsi_host *msm_host = to_msm_dsi_host(host); + const struct msm_dsi_cfg_handler *cfg_hnd = msm_host->cfg_hnd; + int data_byte, rx_byte, dlen, end; + int short_response, diff, pkt_size, ret = 0; + char cmd; + int rlen = msg->rx_len; + u8 *buf; + + if (rlen <= 2) { + short_response = 1; + pkt_size = rlen; + rx_byte = 4; + } else { + short_response = 0; + data_byte = 10; /* first read */ + if (rlen < data_byte) + pkt_size = rlen; + else + pkt_size = data_byte; + rx_byte = data_byte + 6; /* 4 header + 2 crc */ + } + + buf = msm_host->rx_buf; + end = 0; + while (!end) { + u8 tx[2] = {pkt_size & 0xff, pkt_size >> 8}; + struct mipi_dsi_msg max_pkt_size_msg = { + .channel = msg->channel, + .type = MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE, + .tx_len = 2, + .tx_buf = tx, + }; + + DBG("rlen=%d pkt_size=%d rx_byte=%d", + rlen, pkt_size, rx_byte); + + ret = dsi_cmds2buf_tx(msm_host, &max_pkt_size_msg); + if (ret < 2) { + pr_err("%s: Set max pkt size failed, %d\n", + __func__, ret); + return -EINVAL; + } + + if ((cfg_hnd->major == MSM_DSI_VER_MAJOR_6G) && + (cfg_hnd->minor >= MSM_DSI_6G_VER_MINOR_V1_1)) { + /* Clear the RDBK_DATA registers */ + dsi_write(msm_host, REG_DSI_RDBK_DATA_CTRL, + DSI_RDBK_DATA_CTRL_CLR); + wmb(); /* make sure the RDBK registers are cleared */ + dsi_write(msm_host, REG_DSI_RDBK_DATA_CTRL, 0); + wmb(); /* release cleared status before transfer */ + } + + ret = dsi_cmds2buf_tx(msm_host, msg); + if (ret < 0) { + pr_err("%s: Read cmd Tx failed, %d\n", __func__, ret); + return ret; + } else if (ret < msg->tx_len) { + pr_err("%s: Read cmd Tx failed, too short: %d\n", __func__, ret); + return -ECOMM; + } + + /* + * once cmd_dma_done interrupt received, + * return data from client is ready and stored + * at RDBK_DATA register already + * since rx fifo is 16 bytes, dcs header is kept at first loop, + * after that dcs header lost during shift into registers + */ + dlen = dsi_cmd_dma_rx(msm_host, buf, rx_byte, pkt_size); + + if (dlen <= 0) + return 0; + + if (short_response) + break; + + if (rlen <= data_byte) { + diff = data_byte - rlen; + end = 1; + } else { + diff = 0; + rlen -= data_byte; + } + + if (!end) { + dlen -= 2; /* 2 crc */ + dlen -= diff; + buf += dlen; /* next start position */ + data_byte = 14; /* NOT first read */ + if (rlen < data_byte) + pkt_size += rlen; + else + pkt_size += data_byte; + DBG("buf=%p dlen=%d diff=%d", buf, dlen, diff); + } + } + + /* + * For single Long read, if the requested rlen < 10, + * we need to shift the start position of rx + * data buffer to skip the bytes which are not + * updated. + */ + if (pkt_size < 10 && !short_response) + buf = msm_host->rx_buf + (10 - rlen); + else + buf = msm_host->rx_buf; + + cmd = buf[0]; + switch (cmd) { + case MIPI_DSI_RX_ACKNOWLEDGE_AND_ERROR_REPORT: + pr_err("%s: rx ACK_ERR_PACLAGE\n", __func__); + ret = 0; + break; + case MIPI_DSI_RX_GENERIC_SHORT_READ_RESPONSE_1BYTE: + case MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_1BYTE: + ret = dsi_short_read1_resp(buf, msg); + break; + case MIPI_DSI_RX_GENERIC_SHORT_READ_RESPONSE_2BYTE: + case MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_2BYTE: + ret = dsi_short_read2_resp(buf, msg); + break; + case MIPI_DSI_RX_GENERIC_LONG_READ_RESPONSE: + case MIPI_DSI_RX_DCS_LONG_READ_RESPONSE: + ret = dsi_long_read_resp(buf, msg); + break; + default: + pr_warn("%s:Invalid response cmd\n", __func__); + ret = 0; + } + + return ret; +} + +void msm_dsi_host_cmd_xfer_commit(struct mipi_dsi_host *host, u32 dma_base, + u32 len) +{ + struct msm_dsi_host *msm_host = to_msm_dsi_host(host); + + dsi_write(msm_host, REG_DSI_DMA_BASE, dma_base); + dsi_write(msm_host, REG_DSI_DMA_LEN, len); + dsi_write(msm_host, REG_DSI_TRIG_DMA, 1); + + /* Make sure trigger happens */ + wmb(); +} + +int msm_dsi_host_set_src_pll(struct mipi_dsi_host *host, + struct msm_dsi_pll *src_pll) +{ + struct msm_dsi_host *msm_host = to_msm_dsi_host(host); + struct clk *byte_clk_provider, *pixel_clk_provider; + int ret; + + ret = msm_dsi_pll_get_clk_provider(src_pll, + &byte_clk_provider, &pixel_clk_provider); + if (ret) { + pr_info("%s: can't get provider from pll, don't set parent\n", + __func__); + return 0; + } + + ret = clk_set_parent(msm_host->byte_clk_src, byte_clk_provider); + if (ret) { + pr_err("%s: can't set parent to byte_clk_src. ret=%d\n", + __func__, ret); + goto exit; + } + + ret = clk_set_parent(msm_host->pixel_clk_src, pixel_clk_provider); + if (ret) { + pr_err("%s: can't set parent to pixel_clk_src. ret=%d\n", + __func__, ret); + goto exit; + } + + if (msm_host->dsi_clk_src) { + ret = clk_set_parent(msm_host->dsi_clk_src, pixel_clk_provider); + if (ret) { + pr_err("%s: can't set parent to dsi_clk_src. ret=%d\n", + __func__, ret); + goto exit; + } + } + + if (msm_host->esc_clk_src) { + ret = clk_set_parent(msm_host->esc_clk_src, byte_clk_provider); + if (ret) { + pr_err("%s: can't set parent to esc_clk_src. ret=%d\n", + __func__, ret); + goto exit; + } + } + +exit: + return ret; +} + +void msm_dsi_host_reset_phy(struct mipi_dsi_host *host) +{ + struct msm_dsi_host *msm_host = to_msm_dsi_host(host); + + DBG(""); + dsi_write(msm_host, REG_DSI_PHY_RESET, DSI_PHY_RESET_RESET); + /* Make sure fully reset */ + wmb(); + udelay(1000); + dsi_write(msm_host, REG_DSI_PHY_RESET, 0); + udelay(100); +} + +void msm_dsi_host_get_phy_clk_req(struct mipi_dsi_host *host, + struct msm_dsi_phy_clk_request *clk_req, + bool is_dual_dsi) +{ + struct msm_dsi_host *msm_host = to_msm_dsi_host(host); + const struct msm_dsi_cfg_handler *cfg_hnd = msm_host->cfg_hnd; + int ret; + + ret = cfg_hnd->ops->calc_clk_rate(msm_host, is_dual_dsi); + if (ret) { + pr_err("%s: unable to calc clk rate, %d\n", __func__, ret); + return; + } + + clk_req->bitclk_rate = msm_host->byte_clk_rate * 8; + clk_req->escclk_rate = msm_host->esc_clk_rate; +} + +int msm_dsi_host_enable(struct mipi_dsi_host *host) +{ + struct msm_dsi_host *msm_host = to_msm_dsi_host(host); + + dsi_op_mode_config(msm_host, + !!(msm_host->mode_flags & MIPI_DSI_MODE_VIDEO), true); + + /* TODO: clock should be turned off for command mode, + * and only turned on before MDP START. + * This part of code should be enabled once mdp driver support it. + */ + /* if (msm_panel->mode == MSM_DSI_CMD_MODE) { + * dsi_link_clk_disable(msm_host); + * pm_runtime_put_autosuspend(&msm_host->pdev->dev); + * } + */ + msm_host->enabled = true; + return 0; +} + +int msm_dsi_host_disable(struct mipi_dsi_host *host) +{ + struct msm_dsi_host *msm_host = to_msm_dsi_host(host); + + msm_host->enabled = false; + dsi_op_mode_config(msm_host, + !!(msm_host->mode_flags & MIPI_DSI_MODE_VIDEO), false); + + /* Since we have disabled INTF, the video engine won't stop so that + * the cmd engine will be blocked. + * Reset to disable video engine so that we can send off cmd. + */ + dsi_sw_reset(msm_host); + + return 0; +} + +static void msm_dsi_sfpb_config(struct msm_dsi_host *msm_host, bool enable) +{ + enum sfpb_ahb_arb_master_port_en en; + + if (!msm_host->sfpb) + return; + + en = enable ? SFPB_MASTER_PORT_ENABLE : SFPB_MASTER_PORT_DISABLE; + + regmap_update_bits(msm_host->sfpb, REG_SFPB_GPREG, + SFPB_GPREG_MASTER_PORT_EN__MASK, + SFPB_GPREG_MASTER_PORT_EN(en)); +} + +int msm_dsi_host_power_on(struct mipi_dsi_host *host, + struct msm_dsi_phy_shared_timings *phy_shared_timings, + bool is_dual_dsi) +{ + struct msm_dsi_host *msm_host = to_msm_dsi_host(host); + const struct msm_dsi_cfg_handler *cfg_hnd = msm_host->cfg_hnd; + int ret = 0; + + mutex_lock(&msm_host->dev_mutex); + if (msm_host->power_on) { + DBG("dsi host already on"); + goto unlock_ret; + } + + msm_dsi_sfpb_config(msm_host, true); + + ret = dsi_host_regulator_enable(msm_host); + if (ret) { + pr_err("%s:Failed to enable vregs.ret=%d\n", + __func__, ret); + goto unlock_ret; + } + + pm_runtime_get_sync(&msm_host->pdev->dev); + ret = cfg_hnd->ops->link_clk_set_rate(msm_host); + if (!ret) + ret = cfg_hnd->ops->link_clk_enable(msm_host); + if (ret) { + pr_err("%s: failed to enable link clocks. ret=%d\n", + __func__, ret); + goto fail_disable_reg; + } + + ret = pinctrl_pm_select_default_state(&msm_host->pdev->dev); + if (ret) { + pr_err("%s: failed to set pinctrl default state, %d\n", + __func__, ret); + goto fail_disable_clk; + } + + dsi_timing_setup(msm_host, is_dual_dsi); + dsi_sw_reset(msm_host); + dsi_ctrl_config(msm_host, true, phy_shared_timings); + + if (msm_host->disp_en_gpio) + gpiod_set_value(msm_host->disp_en_gpio, 1); + + msm_host->power_on = true; + mutex_unlock(&msm_host->dev_mutex); + + return 0; + +fail_disable_clk: + cfg_hnd->ops->link_clk_disable(msm_host); + pm_runtime_put_autosuspend(&msm_host->pdev->dev); +fail_disable_reg: + dsi_host_regulator_disable(msm_host); +unlock_ret: + mutex_unlock(&msm_host->dev_mutex); + return ret; +} + +int msm_dsi_host_power_off(struct mipi_dsi_host *host) +{ + struct msm_dsi_host *msm_host = to_msm_dsi_host(host); + const struct msm_dsi_cfg_handler *cfg_hnd = msm_host->cfg_hnd; + + mutex_lock(&msm_host->dev_mutex); + if (!msm_host->power_on) { + DBG("dsi host already off"); + goto unlock_ret; + } + + dsi_ctrl_config(msm_host, false, NULL); + + if (msm_host->disp_en_gpio) + gpiod_set_value(msm_host->disp_en_gpio, 0); + + pinctrl_pm_select_sleep_state(&msm_host->pdev->dev); + + cfg_hnd->ops->link_clk_disable(msm_host); + pm_runtime_put_autosuspend(&msm_host->pdev->dev); + + dsi_host_regulator_disable(msm_host); + + msm_dsi_sfpb_config(msm_host, false); + + DBG("-"); + + msm_host->power_on = false; + +unlock_ret: + mutex_unlock(&msm_host->dev_mutex); + return 0; +} + +int msm_dsi_host_set_display_mode(struct mipi_dsi_host *host, + const struct drm_display_mode *mode) +{ + struct msm_dsi_host *msm_host = to_msm_dsi_host(host); + + if (msm_host->mode) { + drm_mode_destroy(msm_host->dev, msm_host->mode); + msm_host->mode = NULL; + } + + msm_host->mode = drm_mode_duplicate(msm_host->dev, mode); + if (!msm_host->mode) { + pr_err("%s: cannot duplicate mode\n", __func__); + return -ENOMEM; + } + + return 0; +} + +struct drm_panel *msm_dsi_host_get_panel(struct mipi_dsi_host *host) +{ + return of_drm_find_panel(to_msm_dsi_host(host)->device_node); +} + +unsigned long msm_dsi_host_get_mode_flags(struct mipi_dsi_host *host) +{ + return to_msm_dsi_host(host)->mode_flags; +} + +struct drm_bridge *msm_dsi_host_get_bridge(struct mipi_dsi_host *host) +{ + struct msm_dsi_host *msm_host = to_msm_dsi_host(host); + + return of_drm_find_bridge(msm_host->device_node); +} diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c new file mode 100644 index 000000000..fb421ca56 --- /dev/null +++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c @@ -0,0 +1,852 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2015, The Linux Foundation. All rights reserved. + */ + +#include "msm_kms.h" +#include "dsi.h" + +#define DSI_CLOCK_MASTER DSI_0 +#define DSI_CLOCK_SLAVE DSI_1 + +#define DSI_LEFT DSI_0 +#define DSI_RIGHT DSI_1 + +/* According to the current drm framework sequence, take the encoder of + * DSI_1 as master encoder + */ +#define DSI_ENCODER_MASTER DSI_1 +#define DSI_ENCODER_SLAVE DSI_0 + +struct msm_dsi_manager { + struct msm_dsi *dsi[DSI_MAX]; + + bool is_dual_dsi; + bool is_sync_needed; + int master_dsi_link_id; +}; + +static struct msm_dsi_manager msm_dsim_glb; + +#define IS_DUAL_DSI() (msm_dsim_glb.is_dual_dsi) +#define IS_SYNC_NEEDED() (msm_dsim_glb.is_sync_needed) +#define IS_MASTER_DSI_LINK(id) (msm_dsim_glb.master_dsi_link_id == id) + +static inline struct msm_dsi *dsi_mgr_get_dsi(int id) +{ + return msm_dsim_glb.dsi[id]; +} + +static inline struct msm_dsi *dsi_mgr_get_other_dsi(int id) +{ + return msm_dsim_glb.dsi[(id + 1) % DSI_MAX]; +} + +static int dsi_mgr_parse_dual_dsi(struct device_node *np, int id) +{ + struct msm_dsi_manager *msm_dsim = &msm_dsim_glb; + + /* We assume 2 dsi nodes have the same information of dual-dsi and + * sync-mode, and only one node specifies master in case of dual mode. + */ + if (!msm_dsim->is_dual_dsi) + msm_dsim->is_dual_dsi = of_property_read_bool( + np, "qcom,dual-dsi-mode"); + + if (msm_dsim->is_dual_dsi) { + if (of_property_read_bool(np, "qcom,master-dsi")) + msm_dsim->master_dsi_link_id = id; + if (!msm_dsim->is_sync_needed) + msm_dsim->is_sync_needed = of_property_read_bool( + np, "qcom,sync-dual-dsi"); + } + + return 0; +} + +static int dsi_mgr_setup_components(int id) +{ + struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id); + struct msm_dsi *other_dsi = dsi_mgr_get_other_dsi(id); + struct msm_dsi *clk_master_dsi = dsi_mgr_get_dsi(DSI_CLOCK_MASTER); + struct msm_dsi *clk_slave_dsi = dsi_mgr_get_dsi(DSI_CLOCK_SLAVE); + struct msm_dsi_pll *src_pll; + int ret; + + if (!IS_DUAL_DSI()) { + ret = msm_dsi_host_register(msm_dsi->host, true); + if (ret) + return ret; + + msm_dsi_phy_set_usecase(msm_dsi->phy, MSM_DSI_PHY_STANDALONE); + src_pll = msm_dsi_phy_get_pll(msm_dsi->phy); + if (IS_ERR(src_pll)) + return PTR_ERR(src_pll); + ret = msm_dsi_host_set_src_pll(msm_dsi->host, src_pll); + } else if (!other_dsi) { + ret = 0; + } else { + struct msm_dsi *master_link_dsi = IS_MASTER_DSI_LINK(id) ? + msm_dsi : other_dsi; + struct msm_dsi *slave_link_dsi = IS_MASTER_DSI_LINK(id) ? + other_dsi : msm_dsi; + /* Register slave host first, so that slave DSI device + * has a chance to probe, and do not block the master + * DSI device's probe. + * Also, do not check defer for the slave host, + * because only master DSI device adds the panel to global + * panel list. The panel's device is the master DSI device. + */ + ret = msm_dsi_host_register(slave_link_dsi->host, false); + if (ret) + return ret; + ret = msm_dsi_host_register(master_link_dsi->host, true); + if (ret) + return ret; + + /* PLL0 is to drive both 2 DSI link clocks in Dual DSI mode. */ + msm_dsi_phy_set_usecase(clk_master_dsi->phy, + MSM_DSI_PHY_MASTER); + msm_dsi_phy_set_usecase(clk_slave_dsi->phy, + MSM_DSI_PHY_SLAVE); + src_pll = msm_dsi_phy_get_pll(clk_master_dsi->phy); + if (IS_ERR(src_pll)) + return PTR_ERR(src_pll); + ret = msm_dsi_host_set_src_pll(msm_dsi->host, src_pll); + if (ret) + return ret; + ret = msm_dsi_host_set_src_pll(other_dsi->host, src_pll); + } + + return ret; +} + +static int enable_phy(struct msm_dsi *msm_dsi, int src_pll_id, + struct msm_dsi_phy_shared_timings *shared_timings) +{ + struct msm_dsi_phy_clk_request clk_req; + int ret; + bool is_dual_dsi = IS_DUAL_DSI(); + + msm_dsi_host_get_phy_clk_req(msm_dsi->host, &clk_req, is_dual_dsi); + + ret = msm_dsi_phy_enable(msm_dsi->phy, src_pll_id, &clk_req); + msm_dsi_phy_get_shared_timings(msm_dsi->phy, shared_timings); + + return ret; +} + +static int +dsi_mgr_phy_enable(int id, + struct msm_dsi_phy_shared_timings shared_timings[DSI_MAX]) +{ + struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id); + struct msm_dsi *mdsi = dsi_mgr_get_dsi(DSI_CLOCK_MASTER); + struct msm_dsi *sdsi = dsi_mgr_get_dsi(DSI_CLOCK_SLAVE); + int src_pll_id = IS_DUAL_DSI() ? DSI_CLOCK_MASTER : id; + int ret; + + /* In case of dual DSI, some registers in PHY1 have been programmed + * during PLL0 clock's set_rate. The PHY1 reset called by host1 here + * will silently reset those PHY1 registers. Therefore we need to reset + * and enable both PHYs before any PLL clock operation. + */ + if (IS_DUAL_DSI() && mdsi && sdsi) { + if (!mdsi->phy_enabled && !sdsi->phy_enabled) { + msm_dsi_host_reset_phy(mdsi->host); + msm_dsi_host_reset_phy(sdsi->host); + + ret = enable_phy(mdsi, src_pll_id, + &shared_timings[DSI_CLOCK_MASTER]); + if (ret) + return ret; + ret = enable_phy(sdsi, src_pll_id, + &shared_timings[DSI_CLOCK_SLAVE]); + if (ret) { + msm_dsi_phy_disable(mdsi->phy); + return ret; + } + } + } else { + msm_dsi_host_reset_phy(msm_dsi->host); + ret = enable_phy(msm_dsi, src_pll_id, &shared_timings[id]); + if (ret) + return ret; + } + + msm_dsi->phy_enabled = true; + + return 0; +} + +static void dsi_mgr_phy_disable(int id) +{ + struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id); + struct msm_dsi *mdsi = dsi_mgr_get_dsi(DSI_CLOCK_MASTER); + struct msm_dsi *sdsi = dsi_mgr_get_dsi(DSI_CLOCK_SLAVE); + + /* disable DSI phy + * In dual-dsi configuration, the phy should be disabled for the + * first controller only when the second controller is disabled. + */ + msm_dsi->phy_enabled = false; + if (IS_DUAL_DSI() && mdsi && sdsi) { + if (!mdsi->phy_enabled && !sdsi->phy_enabled) { + msm_dsi_phy_disable(sdsi->phy); + msm_dsi_phy_disable(mdsi->phy); + } + } else { + msm_dsi_phy_disable(msm_dsi->phy); + } +} + +struct dsi_connector { + struct drm_connector base; + int id; +}; + +struct dsi_bridge { + struct drm_bridge base; + int id; +}; + +#define to_dsi_connector(x) container_of(x, struct dsi_connector, base) +#define to_dsi_bridge(x) container_of(x, struct dsi_bridge, base) + +static inline int dsi_mgr_connector_get_id(struct drm_connector *connector) +{ + struct dsi_connector *dsi_connector = to_dsi_connector(connector); + return dsi_connector->id; +} + +static int dsi_mgr_bridge_get_id(struct drm_bridge *bridge) +{ + struct dsi_bridge *dsi_bridge = to_dsi_bridge(bridge); + return dsi_bridge->id; +} + +static bool dsi_mgr_is_cmd_mode(struct msm_dsi *msm_dsi) +{ + unsigned long host_flags = msm_dsi_host_get_mode_flags(msm_dsi->host); + return !(host_flags & MIPI_DSI_MODE_VIDEO); +} + +void msm_dsi_manager_setup_encoder(int id) +{ + struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id); + struct msm_drm_private *priv = msm_dsi->dev->dev_private; + struct msm_kms *kms = priv->kms; + struct drm_encoder *encoder = msm_dsi_get_encoder(msm_dsi); + + if (encoder && kms->funcs->set_encoder_mode) + kms->funcs->set_encoder_mode(kms, encoder, + dsi_mgr_is_cmd_mode(msm_dsi)); +} + +static int msm_dsi_manager_panel_init(struct drm_connector *conn, u8 id) +{ + struct msm_drm_private *priv = conn->dev->dev_private; + struct msm_kms *kms = priv->kms; + struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id); + struct msm_dsi *other_dsi = dsi_mgr_get_other_dsi(id); + struct msm_dsi *master_dsi, *slave_dsi; + struct drm_panel *panel; + + if (IS_DUAL_DSI() && !IS_MASTER_DSI_LINK(id)) { + master_dsi = other_dsi; + slave_dsi = msm_dsi; + } else { + master_dsi = msm_dsi; + slave_dsi = other_dsi; + } + + /* + * There is only 1 panel in the global panel list for dual DSI mode. + * Therefore slave dsi should get the drm_panel instance from master + * dsi. + */ + panel = msm_dsi_host_get_panel(master_dsi->host); + if (IS_ERR(panel)) { + DRM_ERROR("Could not find panel for %u (%ld)\n", msm_dsi->id, + PTR_ERR(panel)); + return PTR_ERR(panel); + } + + if (!panel || !IS_DUAL_DSI()) + goto out; + + drm_object_attach_property(&conn->base, + conn->dev->mode_config.tile_property, 0); + + /* + * Set split display info to kms once dual DSI panel is connected to + * both hosts. + */ + if (other_dsi && other_dsi->panel && kms->funcs->set_split_display) { + kms->funcs->set_split_display(kms, master_dsi->encoder, + slave_dsi->encoder, + dsi_mgr_is_cmd_mode(msm_dsi)); + } + +out: + msm_dsi->panel = panel; + return 0; +} + +static enum drm_connector_status dsi_mgr_connector_detect( + struct drm_connector *connector, bool force) +{ + int id = dsi_mgr_connector_get_id(connector); + struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id); + + return msm_dsi->panel ? connector_status_connected : + connector_status_disconnected; +} + +static void dsi_mgr_connector_destroy(struct drm_connector *connector) +{ + struct dsi_connector *dsi_connector = to_dsi_connector(connector); + + DBG(""); + + drm_connector_cleanup(connector); + + kfree(dsi_connector); +} + +static int dsi_mgr_connector_get_modes(struct drm_connector *connector) +{ + int id = dsi_mgr_connector_get_id(connector); + struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id); + struct drm_panel *panel = msm_dsi->panel; + int num; + + if (!panel) + return 0; + + /* + * In dual DSI mode, we have one connector that can be + * attached to the drm_panel. + */ + num = drm_panel_get_modes(panel, connector); + if (!num) + return 0; + + return num; +} + +static enum drm_mode_status dsi_mgr_connector_mode_valid(struct drm_connector *connector, + struct drm_display_mode *mode) +{ + int id = dsi_mgr_connector_get_id(connector); + struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id); + struct drm_encoder *encoder = msm_dsi_get_encoder(msm_dsi); + struct msm_drm_private *priv = connector->dev->dev_private; + struct msm_kms *kms = priv->kms; + long actual, requested; + + DBG(""); + requested = 1000 * mode->clock; + actual = kms->funcs->round_pixclk(kms, requested, encoder); + + DBG("requested=%ld, actual=%ld", requested, actual); + if (actual != requested) + return MODE_CLOCK_RANGE; + + return MODE_OK; +} + +static struct drm_encoder * +dsi_mgr_connector_best_encoder(struct drm_connector *connector) +{ + int id = dsi_mgr_connector_get_id(connector); + struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id); + + DBG(""); + return msm_dsi_get_encoder(msm_dsi); +} + +static void dsi_mgr_bridge_pre_enable(struct drm_bridge *bridge) +{ + int id = dsi_mgr_bridge_get_id(bridge); + struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id); + struct msm_dsi *msm_dsi1 = dsi_mgr_get_dsi(DSI_1); + struct mipi_dsi_host *host = msm_dsi->host; + struct drm_panel *panel = msm_dsi->panel; + struct msm_dsi_phy_shared_timings phy_shared_timings[DSI_MAX]; + bool is_dual_dsi = IS_DUAL_DSI(); + int ret; + + DBG("id=%d", id); + if (!msm_dsi_device_connected(msm_dsi)) + return; + + ret = dsi_mgr_phy_enable(id, phy_shared_timings); + if (ret) + goto phy_en_fail; + + /* Do nothing with the host if it is slave-DSI in case of dual DSI */ + if (is_dual_dsi && !IS_MASTER_DSI_LINK(id)) + return; + + ret = msm_dsi_host_power_on(host, &phy_shared_timings[id], is_dual_dsi); + if (ret) { + pr_err("%s: power on host %d failed, %d\n", __func__, id, ret); + goto host_on_fail; + } + + if (is_dual_dsi && msm_dsi1) { + ret = msm_dsi_host_power_on(msm_dsi1->host, + &phy_shared_timings[DSI_1], is_dual_dsi); + if (ret) { + pr_err("%s: power on host1 failed, %d\n", + __func__, ret); + goto host1_on_fail; + } + } + + /* Always call panel functions once, because even for dual panels, + * there is only one drm_panel instance. + */ + if (panel) { + ret = drm_panel_prepare(panel); + if (ret) { + pr_err("%s: prepare panel %d failed, %d\n", __func__, + id, ret); + goto panel_prep_fail; + } + } + + ret = msm_dsi_host_enable(host); + if (ret) { + pr_err("%s: enable host %d failed, %d\n", __func__, id, ret); + goto host_en_fail; + } + + if (is_dual_dsi && msm_dsi1) { + ret = msm_dsi_host_enable(msm_dsi1->host); + if (ret) { + pr_err("%s: enable host1 failed, %d\n", __func__, ret); + goto host1_en_fail; + } + } + + return; + +host1_en_fail: + msm_dsi_host_disable(host); +host_en_fail: + if (panel) + drm_panel_unprepare(panel); +panel_prep_fail: + if (is_dual_dsi && msm_dsi1) + msm_dsi_host_power_off(msm_dsi1->host); +host1_on_fail: + msm_dsi_host_power_off(host); +host_on_fail: + dsi_mgr_phy_disable(id); +phy_en_fail: + return; +} + +static void dsi_mgr_bridge_enable(struct drm_bridge *bridge) +{ + int id = dsi_mgr_bridge_get_id(bridge); + struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id); + struct drm_panel *panel = msm_dsi->panel; + bool is_dual_dsi = IS_DUAL_DSI(); + int ret; + + DBG("id=%d", id); + if (!msm_dsi_device_connected(msm_dsi)) + return; + + /* Do nothing with the host if it is slave-DSI in case of dual DSI */ + if (is_dual_dsi && !IS_MASTER_DSI_LINK(id)) + return; + + if (panel) { + ret = drm_panel_enable(panel); + if (ret) { + pr_err("%s: enable panel %d failed, %d\n", __func__, id, + ret); + } + } +} + +static void dsi_mgr_bridge_disable(struct drm_bridge *bridge) +{ + int id = dsi_mgr_bridge_get_id(bridge); + struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id); + struct drm_panel *panel = msm_dsi->panel; + bool is_dual_dsi = IS_DUAL_DSI(); + int ret; + + DBG("id=%d", id); + if (!msm_dsi_device_connected(msm_dsi)) + return; + + /* Do nothing with the host if it is slave-DSI in case of dual DSI */ + if (is_dual_dsi && !IS_MASTER_DSI_LINK(id)) + return; + + if (panel) { + ret = drm_panel_disable(panel); + if (ret) + pr_err("%s: Panel %d OFF failed, %d\n", __func__, id, + ret); + } +} + +static void dsi_mgr_bridge_post_disable(struct drm_bridge *bridge) +{ + int id = dsi_mgr_bridge_get_id(bridge); + struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id); + struct msm_dsi *msm_dsi1 = dsi_mgr_get_dsi(DSI_1); + struct mipi_dsi_host *host = msm_dsi->host; + struct drm_panel *panel = msm_dsi->panel; + struct msm_dsi_pll *src_pll; + bool is_dual_dsi = IS_DUAL_DSI(); + int ret; + + DBG("id=%d", id); + + if (!msm_dsi_device_connected(msm_dsi)) + return; + + /* + * Do nothing with the host if it is slave-DSI in case of dual DSI. + * It is safe to call dsi_mgr_phy_disable() here because a single PHY + * won't be diabled until both PHYs request disable. + */ + if (is_dual_dsi && !IS_MASTER_DSI_LINK(id)) + goto disable_phy; + + ret = msm_dsi_host_disable(host); + if (ret) + pr_err("%s: host %d disable failed, %d\n", __func__, id, ret); + + if (is_dual_dsi && msm_dsi1) { + ret = msm_dsi_host_disable(msm_dsi1->host); + if (ret) + pr_err("%s: host1 disable failed, %d\n", __func__, ret); + } + + if (panel) { + ret = drm_panel_unprepare(panel); + if (ret) + pr_err("%s: Panel %d unprepare failed,%d\n", __func__, + id, ret); + } + + /* Save PLL status if it is a clock source */ + src_pll = msm_dsi_phy_get_pll(msm_dsi->phy); + msm_dsi_pll_save_state(src_pll); + + ret = msm_dsi_host_power_off(host); + if (ret) + pr_err("%s: host %d power off failed,%d\n", __func__, id, ret); + + if (is_dual_dsi && msm_dsi1) { + ret = msm_dsi_host_power_off(msm_dsi1->host); + if (ret) + pr_err("%s: host1 power off failed, %d\n", + __func__, ret); + } + +disable_phy: + dsi_mgr_phy_disable(id); +} + +static void dsi_mgr_bridge_mode_set(struct drm_bridge *bridge, + const struct drm_display_mode *mode, + const struct drm_display_mode *adjusted_mode) +{ + int id = dsi_mgr_bridge_get_id(bridge); + struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id); + struct msm_dsi *other_dsi = dsi_mgr_get_other_dsi(id); + struct mipi_dsi_host *host = msm_dsi->host; + bool is_dual_dsi = IS_DUAL_DSI(); + + DBG("set mode: " DRM_MODE_FMT, DRM_MODE_ARG(mode)); + + if (is_dual_dsi && !IS_MASTER_DSI_LINK(id)) + return; + + msm_dsi_host_set_display_mode(host, adjusted_mode); + if (is_dual_dsi && other_dsi) + msm_dsi_host_set_display_mode(other_dsi->host, adjusted_mode); +} + +static const struct drm_connector_funcs dsi_mgr_connector_funcs = { + .detect = dsi_mgr_connector_detect, + .fill_modes = drm_helper_probe_single_connector_modes, + .destroy = dsi_mgr_connector_destroy, + .reset = drm_atomic_helper_connector_reset, + .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, +}; + +static const struct drm_connector_helper_funcs dsi_mgr_conn_helper_funcs = { + .get_modes = dsi_mgr_connector_get_modes, + .mode_valid = dsi_mgr_connector_mode_valid, + .best_encoder = dsi_mgr_connector_best_encoder, +}; + +static const struct drm_bridge_funcs dsi_mgr_bridge_funcs = { + .pre_enable = dsi_mgr_bridge_pre_enable, + .enable = dsi_mgr_bridge_enable, + .disable = dsi_mgr_bridge_disable, + .post_disable = dsi_mgr_bridge_post_disable, + .mode_set = dsi_mgr_bridge_mode_set, +}; + +/* initialize connector when we're connected to a drm_panel */ +struct drm_connector *msm_dsi_manager_connector_init(u8 id) +{ + struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id); + struct drm_connector *connector = NULL; + struct dsi_connector *dsi_connector; + int ret; + + dsi_connector = kzalloc(sizeof(*dsi_connector), GFP_KERNEL); + if (!dsi_connector) + return ERR_PTR(-ENOMEM); + + dsi_connector->id = id; + + connector = &dsi_connector->base; + + ret = drm_connector_init(msm_dsi->dev, connector, + &dsi_mgr_connector_funcs, DRM_MODE_CONNECTOR_DSI); + if (ret) + return ERR_PTR(ret); + + drm_connector_helper_add(connector, &dsi_mgr_conn_helper_funcs); + + /* Enable HPD to let hpd event is handled + * when panel is attached to the host. + */ + connector->polled = DRM_CONNECTOR_POLL_HPD; + + /* Display driver doesn't support interlace now. */ + connector->interlace_allowed = 0; + connector->doublescan_allowed = 0; + + drm_connector_attach_encoder(connector, msm_dsi->encoder); + + ret = msm_dsi_manager_panel_init(connector, id); + if (ret) { + DRM_DEV_ERROR(msm_dsi->dev->dev, "init panel failed %d\n", ret); + goto fail; + } + + return connector; + +fail: + connector->funcs->destroy(connector); + return ERR_PTR(ret); +} + +bool msm_dsi_manager_validate_current_config(u8 id) +{ + bool is_dual_dsi = IS_DUAL_DSI(); + + /* + * For dual DSI, we only have one drm panel. For this + * use case, we register only one bridge/connector. + * Skip bridge/connector initialisation if it is + * slave-DSI for dual DSI configuration. + */ + if (is_dual_dsi && !IS_MASTER_DSI_LINK(id)) { + DBG("Skip bridge registration for slave DSI->id: %d\n", id); + return false; + } + return true; +} + +/* initialize bridge */ +struct drm_bridge *msm_dsi_manager_bridge_init(u8 id) +{ + struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id); + struct drm_bridge *bridge = NULL; + struct dsi_bridge *dsi_bridge; + struct drm_encoder *encoder; + int ret; + + dsi_bridge = devm_kzalloc(msm_dsi->dev->dev, + sizeof(*dsi_bridge), GFP_KERNEL); + if (!dsi_bridge) { + ret = -ENOMEM; + goto fail; + } + + dsi_bridge->id = id; + + encoder = msm_dsi->encoder; + + bridge = &dsi_bridge->base; + bridge->funcs = &dsi_mgr_bridge_funcs; + + ret = drm_bridge_attach(encoder, bridge, NULL, 0); + if (ret) + goto fail; + + return bridge; + +fail: + if (bridge) + msm_dsi_manager_bridge_destroy(bridge); + + return ERR_PTR(ret); +} + +struct drm_connector *msm_dsi_manager_ext_bridge_init(u8 id) +{ + struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id); + struct drm_device *dev = msm_dsi->dev; + struct drm_encoder *encoder; + struct drm_bridge *int_bridge, *ext_bridge; + struct drm_connector *connector; + struct list_head *connector_list; + + int_bridge = msm_dsi->bridge; + ext_bridge = msm_dsi->external_bridge = + msm_dsi_host_get_bridge(msm_dsi->host); + + encoder = msm_dsi->encoder; + + /* link the internal dsi bridge to the external bridge */ + drm_bridge_attach(encoder, ext_bridge, int_bridge, 0); + + /* + * we need the drm_connector created by the external bridge + * driver (or someone else) to feed it to our driver's + * priv->connector[] list, mainly for msm_fbdev_init() + */ + connector_list = &dev->mode_config.connector_list; + + list_for_each_entry(connector, connector_list, head) { + if (drm_connector_has_possible_encoder(connector, encoder)) + return connector; + } + + return ERR_PTR(-ENODEV); +} + +void msm_dsi_manager_bridge_destroy(struct drm_bridge *bridge) +{ +} + +int msm_dsi_manager_cmd_xfer(int id, const struct mipi_dsi_msg *msg) +{ + struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id); + struct msm_dsi *msm_dsi0 = dsi_mgr_get_dsi(DSI_0); + struct mipi_dsi_host *host = msm_dsi->host; + bool is_read = (msg->rx_buf && msg->rx_len); + bool need_sync = (IS_SYNC_NEEDED() && !is_read); + int ret; + + if (!msg->tx_buf || !msg->tx_len) + return 0; + + /* In dual master case, panel requires the same commands sent to + * both DSI links. Host issues the command trigger to both links + * when DSI_1 calls the cmd transfer function, no matter it happens + * before or after DSI_0 cmd transfer. + */ + if (need_sync && (id == DSI_0)) + return is_read ? msg->rx_len : msg->tx_len; + + if (need_sync && msm_dsi0) { + ret = msm_dsi_host_xfer_prepare(msm_dsi0->host, msg); + if (ret) { + pr_err("%s: failed to prepare non-trigger host, %d\n", + __func__, ret); + return ret; + } + } + ret = msm_dsi_host_xfer_prepare(host, msg); + if (ret) { + pr_err("%s: failed to prepare host, %d\n", __func__, ret); + goto restore_host0; + } + + ret = is_read ? msm_dsi_host_cmd_rx(host, msg) : + msm_dsi_host_cmd_tx(host, msg); + + msm_dsi_host_xfer_restore(host, msg); + +restore_host0: + if (need_sync && msm_dsi0) + msm_dsi_host_xfer_restore(msm_dsi0->host, msg); + + return ret; +} + +bool msm_dsi_manager_cmd_xfer_trigger(int id, u32 dma_base, u32 len) +{ + struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id); + struct msm_dsi *msm_dsi0 = dsi_mgr_get_dsi(DSI_0); + struct mipi_dsi_host *host = msm_dsi->host; + + if (IS_SYNC_NEEDED() && (id == DSI_0)) + return false; + + if (IS_SYNC_NEEDED() && msm_dsi0) + msm_dsi_host_cmd_xfer_commit(msm_dsi0->host, dma_base, len); + + msm_dsi_host_cmd_xfer_commit(host, dma_base, len); + + return true; +} + +int msm_dsi_manager_register(struct msm_dsi *msm_dsi) +{ + struct msm_dsi_manager *msm_dsim = &msm_dsim_glb; + int id = msm_dsi->id; + int ret; + + if (id >= DSI_MAX) { + pr_err("%s: invalid id %d\n", __func__, id); + return -EINVAL; + } + + if (msm_dsim->dsi[id]) { + pr_err("%s: dsi%d already registered\n", __func__, id); + return -EBUSY; + } + + msm_dsim->dsi[id] = msm_dsi; + + ret = dsi_mgr_parse_dual_dsi(msm_dsi->pdev->dev.of_node, id); + if (ret) { + pr_err("%s: failed to parse dual DSI info\n", __func__); + goto fail; + } + + ret = dsi_mgr_setup_components(id); + if (ret) { + pr_err("%s: failed to register mipi dsi host for DSI %d\n", + __func__, id); + goto fail; + } + + return 0; + +fail: + msm_dsim->dsi[id] = NULL; + return ret; +} + +void msm_dsi_manager_unregister(struct msm_dsi *msm_dsi) +{ + struct msm_dsi_manager *msm_dsim = &msm_dsim_glb; + + if (msm_dsi->host) + msm_dsi_host_unregister(msm_dsi->host); + + if (msm_dsi->id >= 0) + msm_dsim->dsi[msm_dsi->id] = NULL; +} + diff --git a/drivers/gpu/drm/msm/dsi/mmss_cc.xml.h b/drivers/gpu/drm/msm/dsi/mmss_cc.xml.h new file mode 100644 index 000000000..4e8660c3e --- /dev/null +++ b/drivers/gpu/drm/msm/dsi/mmss_cc.xml.h @@ -0,0 +1,124 @@ +#ifndef MMSS_CC_XML +#define MMSS_CC_XML + +/* Autogenerated file, DO NOT EDIT manually! + +This file was generated by the rules-ng-ng headergen tool in this git repository: +http://github.com/freedreno/envytools/ +git clone https://github.com/freedreno/envytools.git + +The rules-ng-ng source files this header was generated from are: +- /home/robclark/src/envytools/rnndb/msm.xml ( 676 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/freedreno_copyright.xml ( 1572 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/mdp/mdp4.xml ( 20915 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/mdp/mdp_common.xml ( 2849 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/mdp/mdp5.xml ( 37411 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/dsi/dsi.xml ( 42301 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/dsi/sfpb.xml ( 602 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/dsi/mmss_cc.xml ( 1686 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/hdmi/qfprom.xml ( 600 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/hdmi/hdmi.xml ( 41874 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/edp/edp.xml ( 10416 bytes, from 2020-07-23 21:58:14) + +Copyright (C) 2013-2020 by the following authors: +- Rob Clark <robdclark@gmail.com> (robclark) +- Ilia Mirkin <imirkin@alum.mit.edu> (imirkin) + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice (including the +next paragraph) shall be included in all copies or substantial +portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + + +enum mmss_cc_clk { + CLK = 0, + PCLK = 1, +}; + +#define REG_MMSS_CC_AHB 0x00000008 + +static inline uint32_t __offset_CLK(enum mmss_cc_clk idx) +{ + switch (idx) { + case CLK: return 0x0000004c; + case PCLK: return 0x00000130; + default: return INVALID_IDX(idx); + } +} +static inline uint32_t REG_MMSS_CC_CLK(enum mmss_cc_clk i0) { return 0x00000000 + __offset_CLK(i0); } + +static inline uint32_t REG_MMSS_CC_CLK_CC(enum mmss_cc_clk i0) { return 0x00000000 + __offset_CLK(i0); } +#define MMSS_CC_CLK_CC_CLK_EN 0x00000001 +#define MMSS_CC_CLK_CC_ROOT_EN 0x00000004 +#define MMSS_CC_CLK_CC_MND_EN 0x00000020 +#define MMSS_CC_CLK_CC_MND_MODE__MASK 0x000000c0 +#define MMSS_CC_CLK_CC_MND_MODE__SHIFT 6 +static inline uint32_t MMSS_CC_CLK_CC_MND_MODE(uint32_t val) +{ + return ((val) << MMSS_CC_CLK_CC_MND_MODE__SHIFT) & MMSS_CC_CLK_CC_MND_MODE__MASK; +} +#define MMSS_CC_CLK_CC_PMXO_SEL__MASK 0x00000300 +#define MMSS_CC_CLK_CC_PMXO_SEL__SHIFT 8 +static inline uint32_t MMSS_CC_CLK_CC_PMXO_SEL(uint32_t val) +{ + return ((val) << MMSS_CC_CLK_CC_PMXO_SEL__SHIFT) & MMSS_CC_CLK_CC_PMXO_SEL__MASK; +} + +static inline uint32_t REG_MMSS_CC_CLK_MD(enum mmss_cc_clk i0) { return 0x00000004 + __offset_CLK(i0); } +#define MMSS_CC_CLK_MD_D__MASK 0x000000ff +#define MMSS_CC_CLK_MD_D__SHIFT 0 +static inline uint32_t MMSS_CC_CLK_MD_D(uint32_t val) +{ + return ((val) << MMSS_CC_CLK_MD_D__SHIFT) & MMSS_CC_CLK_MD_D__MASK; +} +#define MMSS_CC_CLK_MD_M__MASK 0x0000ff00 +#define MMSS_CC_CLK_MD_M__SHIFT 8 +static inline uint32_t MMSS_CC_CLK_MD_M(uint32_t val) +{ + return ((val) << MMSS_CC_CLK_MD_M__SHIFT) & MMSS_CC_CLK_MD_M__MASK; +} + +static inline uint32_t REG_MMSS_CC_CLK_NS(enum mmss_cc_clk i0) { return 0x00000008 + __offset_CLK(i0); } +#define MMSS_CC_CLK_NS_SRC__MASK 0x0000000f +#define MMSS_CC_CLK_NS_SRC__SHIFT 0 +static inline uint32_t MMSS_CC_CLK_NS_SRC(uint32_t val) +{ + return ((val) << MMSS_CC_CLK_NS_SRC__SHIFT) & MMSS_CC_CLK_NS_SRC__MASK; +} +#define MMSS_CC_CLK_NS_PRE_DIV_FUNC__MASK 0x00fff000 +#define MMSS_CC_CLK_NS_PRE_DIV_FUNC__SHIFT 12 +static inline uint32_t MMSS_CC_CLK_NS_PRE_DIV_FUNC(uint32_t val) +{ + return ((val) << MMSS_CC_CLK_NS_PRE_DIV_FUNC__SHIFT) & MMSS_CC_CLK_NS_PRE_DIV_FUNC__MASK; +} +#define MMSS_CC_CLK_NS_VAL__MASK 0xff000000 +#define MMSS_CC_CLK_NS_VAL__SHIFT 24 +static inline uint32_t MMSS_CC_CLK_NS_VAL(uint32_t val) +{ + return ((val) << MMSS_CC_CLK_NS_VAL__SHIFT) & MMSS_CC_CLK_NS_VAL__MASK; +} + +#define REG_MMSS_CC_DSI2_PIXEL_CC 0x00000094 + +#define REG_MMSS_CC_DSI2_PIXEL_NS 0x000000e4 + +#define REG_MMSS_CC_DSI2_PIXEL_CC2 0x00000264 + + +#endif /* MMSS_CC_XML */ diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c new file mode 100644 index 000000000..10eacfd95 --- /dev/null +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c @@ -0,0 +1,861 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2015, The Linux Foundation. All rights reserved. + */ + +#include <linux/platform_device.h> + +#include "dsi_phy.h" + +#define S_DIV_ROUND_UP(n, d) \ + (((n) >= 0) ? (((n) + (d) - 1) / (d)) : (((n) - (d) + 1) / (d))) + +static inline s32 linear_inter(s32 tmax, s32 tmin, s32 percent, + s32 min_result, bool even) +{ + s32 v; + + v = (tmax - tmin) * percent; + v = S_DIV_ROUND_UP(v, 100) + tmin; + if (even && (v & 0x1)) + return max_t(s32, min_result, v - 1); + else + return max_t(s32, min_result, v); +} + +static void dsi_dphy_timing_calc_clk_zero(struct msm_dsi_dphy_timing *timing, + s32 ui, s32 coeff, s32 pcnt) +{ + s32 tmax, tmin, clk_z; + s32 temp; + + /* reset */ + temp = 300 * coeff - ((timing->clk_prepare >> 1) + 1) * 2 * ui; + tmin = S_DIV_ROUND_UP(temp, ui) - 2; + if (tmin > 255) { + tmax = 511; + clk_z = linear_inter(2 * tmin, tmin, pcnt, 0, true); + } else { + tmax = 255; + clk_z = linear_inter(tmax, tmin, pcnt, 0, true); + } + + /* adjust */ + temp = (timing->hs_rqst + timing->clk_prepare + clk_z) & 0x7; + timing->clk_zero = clk_z + 8 - temp; +} + +int msm_dsi_dphy_timing_calc(struct msm_dsi_dphy_timing *timing, + struct msm_dsi_phy_clk_request *clk_req) +{ + const unsigned long bit_rate = clk_req->bitclk_rate; + const unsigned long esc_rate = clk_req->escclk_rate; + s32 ui, lpx; + s32 tmax, tmin; + s32 pcnt0 = 10; + s32 pcnt1 = (bit_rate > 1200000000) ? 15 : 10; + s32 pcnt2 = 10; + s32 pcnt3 = (bit_rate > 180000000) ? 10 : 40; + s32 coeff = 1000; /* Precision, should avoid overflow */ + s32 temp; + + if (!bit_rate || !esc_rate) + return -EINVAL; + + ui = mult_frac(NSEC_PER_MSEC, coeff, bit_rate / 1000); + lpx = mult_frac(NSEC_PER_MSEC, coeff, esc_rate / 1000); + + tmax = S_DIV_ROUND_UP(95 * coeff, ui) - 2; + tmin = S_DIV_ROUND_UP(38 * coeff, ui) - 2; + timing->clk_prepare = linear_inter(tmax, tmin, pcnt0, 0, true); + + temp = lpx / ui; + if (temp & 0x1) + timing->hs_rqst = temp; + else + timing->hs_rqst = max_t(s32, 0, temp - 2); + + /* Calculate clk_zero after clk_prepare and hs_rqst */ + dsi_dphy_timing_calc_clk_zero(timing, ui, coeff, pcnt2); + + temp = 105 * coeff + 12 * ui - 20 * coeff; + tmax = S_DIV_ROUND_UP(temp, ui) - 2; + tmin = S_DIV_ROUND_UP(60 * coeff, ui) - 2; + timing->clk_trail = linear_inter(tmax, tmin, pcnt3, 0, true); + + temp = 85 * coeff + 6 * ui; + tmax = S_DIV_ROUND_UP(temp, ui) - 2; + temp = 40 * coeff + 4 * ui; + tmin = S_DIV_ROUND_UP(temp, ui) - 2; + timing->hs_prepare = linear_inter(tmax, tmin, pcnt1, 0, true); + + tmax = 255; + temp = ((timing->hs_prepare >> 1) + 1) * 2 * ui + 2 * ui; + temp = 145 * coeff + 10 * ui - temp; + tmin = S_DIV_ROUND_UP(temp, ui) - 2; + timing->hs_zero = linear_inter(tmax, tmin, pcnt2, 24, true); + + temp = 105 * coeff + 12 * ui - 20 * coeff; + tmax = S_DIV_ROUND_UP(temp, ui) - 2; + temp = 60 * coeff + 4 * ui; + tmin = DIV_ROUND_UP(temp, ui) - 2; + timing->hs_trail = linear_inter(tmax, tmin, pcnt3, 0, true); + + tmax = 255; + tmin = S_DIV_ROUND_UP(100 * coeff, ui) - 2; + timing->hs_exit = linear_inter(tmax, tmin, pcnt2, 0, true); + + tmax = 63; + temp = ((timing->hs_exit >> 1) + 1) * 2 * ui; + temp = 60 * coeff + 52 * ui - 24 * ui - temp; + tmin = S_DIV_ROUND_UP(temp, 8 * ui) - 1; + timing->shared_timings.clk_post = linear_inter(tmax, tmin, pcnt2, 0, + false); + tmax = 63; + temp = ((timing->clk_prepare >> 1) + 1) * 2 * ui; + temp += ((timing->clk_zero >> 1) + 1) * 2 * ui; + temp += 8 * ui + lpx; + tmin = S_DIV_ROUND_UP(temp, 8 * ui) - 1; + if (tmin > tmax) { + temp = linear_inter(2 * tmax, tmin, pcnt2, 0, false); + timing->shared_timings.clk_pre = temp >> 1; + timing->shared_timings.clk_pre_inc_by_2 = true; + } else { + timing->shared_timings.clk_pre = + linear_inter(tmax, tmin, pcnt2, 0, false); + timing->shared_timings.clk_pre_inc_by_2 = false; + } + + timing->ta_go = 3; + timing->ta_sure = 0; + timing->ta_get = 4; + + DBG("PHY timings: %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d", + timing->shared_timings.clk_pre, timing->shared_timings.clk_post, + timing->shared_timings.clk_pre_inc_by_2, timing->clk_zero, + timing->clk_trail, timing->clk_prepare, timing->hs_exit, + timing->hs_zero, timing->hs_prepare, timing->hs_trail, + timing->hs_rqst); + + return 0; +} + +int msm_dsi_dphy_timing_calc_v2(struct msm_dsi_dphy_timing *timing, + struct msm_dsi_phy_clk_request *clk_req) +{ + const unsigned long bit_rate = clk_req->bitclk_rate; + const unsigned long esc_rate = clk_req->escclk_rate; + s32 ui, ui_x8; + s32 tmax, tmin; + s32 pcnt0 = 50; + s32 pcnt1 = 50; + s32 pcnt2 = 10; + s32 pcnt3 = 30; + s32 pcnt4 = 10; + s32 pcnt5 = 2; + s32 coeff = 1000; /* Precision, should avoid overflow */ + s32 hb_en, hb_en_ckln, pd_ckln, pd; + s32 val, val_ckln; + s32 temp; + + if (!bit_rate || !esc_rate) + return -EINVAL; + + timing->hs_halfbyte_en = 0; + hb_en = 0; + timing->hs_halfbyte_en_ckln = 0; + hb_en_ckln = 0; + timing->hs_prep_dly_ckln = (bit_rate > 100000000) ? 0 : 3; + pd_ckln = timing->hs_prep_dly_ckln; + timing->hs_prep_dly = (bit_rate > 120000000) ? 0 : 1; + pd = timing->hs_prep_dly; + + val = (hb_en << 2) + (pd << 1); + val_ckln = (hb_en_ckln << 2) + (pd_ckln << 1); + + ui = mult_frac(NSEC_PER_MSEC, coeff, bit_rate / 1000); + ui_x8 = ui << 3; + + temp = S_DIV_ROUND_UP(38 * coeff - val_ckln * ui, ui_x8); + tmin = max_t(s32, temp, 0); + temp = (95 * coeff - val_ckln * ui) / ui_x8; + tmax = max_t(s32, temp, 0); + timing->clk_prepare = linear_inter(tmax, tmin, pcnt0, 0, false); + + temp = 300 * coeff - ((timing->clk_prepare << 3) + val_ckln) * ui; + tmin = S_DIV_ROUND_UP(temp - 11 * ui, ui_x8) - 3; + tmax = (tmin > 255) ? 511 : 255; + timing->clk_zero = linear_inter(tmax, tmin, pcnt5, 0, false); + + tmin = DIV_ROUND_UP(60 * coeff + 3 * ui, ui_x8); + temp = 105 * coeff + 12 * ui - 20 * coeff; + tmax = (temp + 3 * ui) / ui_x8; + timing->clk_trail = linear_inter(tmax, tmin, pcnt3, 0, false); + + temp = S_DIV_ROUND_UP(40 * coeff + 4 * ui - val * ui, ui_x8); + tmin = max_t(s32, temp, 0); + temp = (85 * coeff + 6 * ui - val * ui) / ui_x8; + tmax = max_t(s32, temp, 0); + timing->hs_prepare = linear_inter(tmax, tmin, pcnt1, 0, false); + + temp = 145 * coeff + 10 * ui - ((timing->hs_prepare << 3) + val) * ui; + tmin = S_DIV_ROUND_UP(temp - 11 * ui, ui_x8) - 3; + tmax = 255; + timing->hs_zero = linear_inter(tmax, tmin, pcnt4, 0, false); + + tmin = DIV_ROUND_UP(60 * coeff + 4 * ui + 3 * ui, ui_x8); + temp = 105 * coeff + 12 * ui - 20 * coeff; + tmax = (temp + 3 * ui) / ui_x8; + timing->hs_trail = linear_inter(tmax, tmin, pcnt3, 0, false); + + temp = 50 * coeff + ((hb_en << 2) - 8) * ui; + timing->hs_rqst = S_DIV_ROUND_UP(temp, ui_x8); + + tmin = DIV_ROUND_UP(100 * coeff, ui_x8) - 1; + tmax = 255; + timing->hs_exit = linear_inter(tmax, tmin, pcnt2, 0, false); + + temp = 50 * coeff + ((hb_en_ckln << 2) - 8) * ui; + timing->hs_rqst_ckln = S_DIV_ROUND_UP(temp, ui_x8); + + temp = 60 * coeff + 52 * ui - 43 * ui; + tmin = DIV_ROUND_UP(temp, ui_x8) - 1; + tmax = 63; + timing->shared_timings.clk_post = + linear_inter(tmax, tmin, pcnt2, 0, false); + + temp = 8 * ui + ((timing->clk_prepare << 3) + val_ckln) * ui; + temp += (((timing->clk_zero + 3) << 3) + 11 - (pd_ckln << 1)) * ui; + temp += hb_en_ckln ? (((timing->hs_rqst_ckln << 3) + 4) * ui) : + (((timing->hs_rqst_ckln << 3) + 8) * ui); + tmin = S_DIV_ROUND_UP(temp, ui_x8) - 1; + tmax = 63; + if (tmin > tmax) { + temp = linear_inter(tmax << 1, tmin, pcnt2, 0, false); + timing->shared_timings.clk_pre = temp >> 1; + timing->shared_timings.clk_pre_inc_by_2 = 1; + } else { + timing->shared_timings.clk_pre = + linear_inter(tmax, tmin, pcnt2, 0, false); + timing->shared_timings.clk_pre_inc_by_2 = 0; + } + + timing->ta_go = 3; + timing->ta_sure = 0; + timing->ta_get = 4; + + DBG("%d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d", + timing->shared_timings.clk_pre, timing->shared_timings.clk_post, + timing->shared_timings.clk_pre_inc_by_2, timing->clk_zero, + timing->clk_trail, timing->clk_prepare, timing->hs_exit, + timing->hs_zero, timing->hs_prepare, timing->hs_trail, + timing->hs_rqst, timing->hs_rqst_ckln, timing->hs_halfbyte_en, + timing->hs_halfbyte_en_ckln, timing->hs_prep_dly, + timing->hs_prep_dly_ckln); + + return 0; +} + +int msm_dsi_dphy_timing_calc_v3(struct msm_dsi_dphy_timing *timing, + struct msm_dsi_phy_clk_request *clk_req) +{ + const unsigned long bit_rate = clk_req->bitclk_rate; + const unsigned long esc_rate = clk_req->escclk_rate; + s32 ui, ui_x8; + s32 tmax, tmin; + s32 pcnt0 = 50; + s32 pcnt1 = 50; + s32 pcnt2 = 10; + s32 pcnt3 = 30; + s32 pcnt4 = 10; + s32 pcnt5 = 2; + s32 coeff = 1000; /* Precision, should avoid overflow */ + s32 hb_en, hb_en_ckln; + s32 temp; + + if (!bit_rate || !esc_rate) + return -EINVAL; + + timing->hs_halfbyte_en = 0; + hb_en = 0; + timing->hs_halfbyte_en_ckln = 0; + hb_en_ckln = 0; + + ui = mult_frac(NSEC_PER_MSEC, coeff, bit_rate / 1000); + ui_x8 = ui << 3; + + temp = S_DIV_ROUND_UP(38 * coeff, ui_x8); + tmin = max_t(s32, temp, 0); + temp = (95 * coeff) / ui_x8; + tmax = max_t(s32, temp, 0); + timing->clk_prepare = linear_inter(tmax, tmin, pcnt0, 0, false); + + temp = 300 * coeff - (timing->clk_prepare << 3) * ui; + tmin = S_DIV_ROUND_UP(temp, ui_x8) - 1; + tmax = (tmin > 255) ? 511 : 255; + timing->clk_zero = linear_inter(tmax, tmin, pcnt5, 0, false); + + tmin = DIV_ROUND_UP(60 * coeff + 3 * ui, ui_x8); + temp = 105 * coeff + 12 * ui - 20 * coeff; + tmax = (temp + 3 * ui) / ui_x8; + timing->clk_trail = linear_inter(tmax, tmin, pcnt3, 0, false); + + temp = S_DIV_ROUND_UP(40 * coeff + 4 * ui, ui_x8); + tmin = max_t(s32, temp, 0); + temp = (85 * coeff + 6 * ui) / ui_x8; + tmax = max_t(s32, temp, 0); + timing->hs_prepare = linear_inter(tmax, tmin, pcnt1, 0, false); + + temp = 145 * coeff + 10 * ui - (timing->hs_prepare << 3) * ui; + tmin = S_DIV_ROUND_UP(temp, ui_x8) - 1; + tmax = 255; + timing->hs_zero = linear_inter(tmax, tmin, pcnt4, 0, false); + + tmin = DIV_ROUND_UP(60 * coeff + 4 * ui, ui_x8) - 1; + temp = 105 * coeff + 12 * ui - 20 * coeff; + tmax = (temp / ui_x8) - 1; + timing->hs_trail = linear_inter(tmax, tmin, pcnt3, 0, false); + + temp = 50 * coeff + ((hb_en << 2) - 8) * ui; + timing->hs_rqst = S_DIV_ROUND_UP(temp, ui_x8); + + tmin = DIV_ROUND_UP(100 * coeff, ui_x8) - 1; + tmax = 255; + timing->hs_exit = linear_inter(tmax, tmin, pcnt2, 0, false); + + temp = 50 * coeff + ((hb_en_ckln << 2) - 8) * ui; + timing->hs_rqst_ckln = S_DIV_ROUND_UP(temp, ui_x8); + + temp = 60 * coeff + 52 * ui - 43 * ui; + tmin = DIV_ROUND_UP(temp, ui_x8) - 1; + tmax = 63; + timing->shared_timings.clk_post = + linear_inter(tmax, tmin, pcnt2, 0, false); + + temp = 8 * ui + (timing->clk_prepare << 3) * ui; + temp += (((timing->clk_zero + 3) << 3) + 11) * ui; + temp += hb_en_ckln ? (((timing->hs_rqst_ckln << 3) + 4) * ui) : + (((timing->hs_rqst_ckln << 3) + 8) * ui); + tmin = S_DIV_ROUND_UP(temp, ui_x8) - 1; + tmax = 63; + if (tmin > tmax) { + temp = linear_inter(tmax << 1, tmin, pcnt2, 0, false); + timing->shared_timings.clk_pre = temp >> 1; + timing->shared_timings.clk_pre_inc_by_2 = 1; + } else { + timing->shared_timings.clk_pre = + linear_inter(tmax, tmin, pcnt2, 0, false); + timing->shared_timings.clk_pre_inc_by_2 = 0; + } + + timing->ta_go = 3; + timing->ta_sure = 0; + timing->ta_get = 4; + + DBG("%d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d", + timing->shared_timings.clk_pre, timing->shared_timings.clk_post, + timing->shared_timings.clk_pre_inc_by_2, timing->clk_zero, + timing->clk_trail, timing->clk_prepare, timing->hs_exit, + timing->hs_zero, timing->hs_prepare, timing->hs_trail, + timing->hs_rqst, timing->hs_rqst_ckln, timing->hs_halfbyte_en, + timing->hs_halfbyte_en_ckln, timing->hs_prep_dly, + timing->hs_prep_dly_ckln); + + return 0; +} + +int msm_dsi_dphy_timing_calc_v4(struct msm_dsi_dphy_timing *timing, + struct msm_dsi_phy_clk_request *clk_req) +{ + const unsigned long bit_rate = clk_req->bitclk_rate; + const unsigned long esc_rate = clk_req->escclk_rate; + s32 ui, ui_x8; + s32 tmax, tmin; + s32 pcnt_clk_prep = 50; + s32 pcnt_clk_zero = 2; + s32 pcnt_clk_trail = 30; + s32 pcnt_hs_prep = 50; + s32 pcnt_hs_zero = 10; + s32 pcnt_hs_trail = 30; + s32 pcnt_hs_exit = 10; + s32 coeff = 1000; /* Precision, should avoid overflow */ + s32 hb_en; + s32 temp; + + if (!bit_rate || !esc_rate) + return -EINVAL; + + hb_en = 0; + + ui = mult_frac(NSEC_PER_MSEC, coeff, bit_rate / 1000); + ui_x8 = ui << 3; + + /* TODO: verify these calculations against latest downstream driver + * everything except clk_post/clk_pre uses calculations from v3 based + * on the downstream driver having the same calculations for v3 and v4 + */ + + temp = S_DIV_ROUND_UP(38 * coeff, ui_x8); + tmin = max_t(s32, temp, 0); + temp = (95 * coeff) / ui_x8; + tmax = max_t(s32, temp, 0); + timing->clk_prepare = linear_inter(tmax, tmin, pcnt_clk_prep, 0, false); + + temp = 300 * coeff - (timing->clk_prepare << 3) * ui; + tmin = S_DIV_ROUND_UP(temp, ui_x8) - 1; + tmax = (tmin > 255) ? 511 : 255; + timing->clk_zero = linear_inter(tmax, tmin, pcnt_clk_zero, 0, false); + + tmin = DIV_ROUND_UP(60 * coeff + 3 * ui, ui_x8); + temp = 105 * coeff + 12 * ui - 20 * coeff; + tmax = (temp + 3 * ui) / ui_x8; + timing->clk_trail = linear_inter(tmax, tmin, pcnt_clk_trail, 0, false); + + temp = S_DIV_ROUND_UP(40 * coeff + 4 * ui, ui_x8); + tmin = max_t(s32, temp, 0); + temp = (85 * coeff + 6 * ui) / ui_x8; + tmax = max_t(s32, temp, 0); + timing->hs_prepare = linear_inter(tmax, tmin, pcnt_hs_prep, 0, false); + + temp = 145 * coeff + 10 * ui - (timing->hs_prepare << 3) * ui; + tmin = S_DIV_ROUND_UP(temp, ui_x8) - 1; + tmax = 255; + timing->hs_zero = linear_inter(tmax, tmin, pcnt_hs_zero, 0, false); + + tmin = DIV_ROUND_UP(60 * coeff + 4 * ui, ui_x8) - 1; + temp = 105 * coeff + 12 * ui - 20 * coeff; + tmax = (temp / ui_x8) - 1; + timing->hs_trail = linear_inter(tmax, tmin, pcnt_hs_trail, 0, false); + + temp = 50 * coeff + ((hb_en << 2) - 8) * ui; + timing->hs_rqst = S_DIV_ROUND_UP(temp, ui_x8); + + tmin = DIV_ROUND_UP(100 * coeff, ui_x8) - 1; + tmax = 255; + timing->hs_exit = linear_inter(tmax, tmin, pcnt_hs_exit, 0, false); + + /* recommended min + * = roundup((mipi_min_ns + t_hs_trail_ns)/(16*bit_clk_ns), 0) - 1 + */ + temp = 60 * coeff + 52 * ui + + (timing->hs_trail + 1) * ui_x8; + tmin = DIV_ROUND_UP(temp, 16 * ui) - 1; + tmax = 255; + timing->shared_timings.clk_post = linear_inter(tmax, tmin, 5, 0, false); + + /* recommended min + * val1 = (tlpx_ns + clk_prepare_ns + clk_zero_ns + hs_rqst_ns) + * val2 = (16 * bit_clk_ns) + * final = roundup(val1/val2, 0) - 1 + */ + temp = 52 * coeff + (timing->clk_prepare + timing->clk_zero + 1) * ui_x8 + 54 * coeff; + tmin = DIV_ROUND_UP(temp, 16 * ui) - 1; + tmax = 255; + timing->shared_timings.clk_pre = DIV_ROUND_UP((tmax - tmin) * 125, 10000) + tmin; + + DBG("%d, %d, %d, %d, %d, %d, %d, %d, %d, %d", + timing->shared_timings.clk_pre, timing->shared_timings.clk_post, + timing->clk_zero, timing->clk_trail, timing->clk_prepare, timing->hs_exit, + timing->hs_zero, timing->hs_prepare, timing->hs_trail, timing->hs_rqst); + + return 0; +} + +void msm_dsi_phy_set_src_pll(struct msm_dsi_phy *phy, int pll_id, u32 reg, + u32 bit_mask) +{ + int phy_id = phy->id; + u32 val; + + if ((phy_id >= DSI_MAX) || (pll_id >= DSI_MAX)) + return; + + val = dsi_phy_read(phy->base + reg); + + if (phy->cfg->src_pll_truthtable[phy_id][pll_id]) + dsi_phy_write(phy->base + reg, val | bit_mask); + else + dsi_phy_write(phy->base + reg, val & (~bit_mask)); +} + +static int dsi_phy_regulator_init(struct msm_dsi_phy *phy) +{ + struct regulator_bulk_data *s = phy->supplies; + const struct dsi_reg_entry *regs = phy->cfg->reg_cfg.regs; + struct device *dev = &phy->pdev->dev; + int num = phy->cfg->reg_cfg.num; + int i, ret; + + for (i = 0; i < num; i++) + s[i].supply = regs[i].name; + + ret = devm_regulator_bulk_get(dev, num, s); + if (ret < 0) { + if (ret != -EPROBE_DEFER) { + DRM_DEV_ERROR(dev, + "%s: failed to init regulator, ret=%d\n", + __func__, ret); + } + + return ret; + } + + return 0; +} + +static void dsi_phy_regulator_disable(struct msm_dsi_phy *phy) +{ + struct regulator_bulk_data *s = phy->supplies; + const struct dsi_reg_entry *regs = phy->cfg->reg_cfg.regs; + int num = phy->cfg->reg_cfg.num; + int i; + + DBG(""); + for (i = num - 1; i >= 0; i--) + if (regs[i].disable_load >= 0) + regulator_set_load(s[i].consumer, regs[i].disable_load); + + regulator_bulk_disable(num, s); +} + +static int dsi_phy_regulator_enable(struct msm_dsi_phy *phy) +{ + struct regulator_bulk_data *s = phy->supplies; + const struct dsi_reg_entry *regs = phy->cfg->reg_cfg.regs; + struct device *dev = &phy->pdev->dev; + int num = phy->cfg->reg_cfg.num; + int ret, i; + + DBG(""); + for (i = 0; i < num; i++) { + if (regs[i].enable_load >= 0) { + ret = regulator_set_load(s[i].consumer, + regs[i].enable_load); + if (ret < 0) { + DRM_DEV_ERROR(dev, + "regulator %d set op mode failed, %d\n", + i, ret); + goto fail; + } + } + } + + ret = regulator_bulk_enable(num, s); + if (ret < 0) { + DRM_DEV_ERROR(dev, "regulator enable failed, %d\n", ret); + goto fail; + } + + return 0; + +fail: + for (i--; i >= 0; i--) + regulator_set_load(s[i].consumer, regs[i].disable_load); + return ret; +} + +static int dsi_phy_enable_resource(struct msm_dsi_phy *phy) +{ + struct device *dev = &phy->pdev->dev; + int ret; + + ret = pm_runtime_resume_and_get(dev); + if (ret) + return ret; + + ret = clk_prepare_enable(phy->ahb_clk); + if (ret) { + DRM_DEV_ERROR(dev, "%s: can't enable ahb clk, %d\n", __func__, ret); + pm_runtime_put_sync(dev); + } + + return ret; +} + +static void dsi_phy_disable_resource(struct msm_dsi_phy *phy) +{ + clk_disable_unprepare(phy->ahb_clk); + pm_runtime_put_autosuspend(&phy->pdev->dev); +} + +static const struct of_device_id dsi_phy_dt_match[] = { +#ifdef CONFIG_DRM_MSM_DSI_28NM_PHY + { .compatible = "qcom,dsi-phy-28nm-hpm", + .data = &dsi_phy_28nm_hpm_cfgs }, + { .compatible = "qcom,dsi-phy-28nm-hpm-fam-b", + .data = &dsi_phy_28nm_hpm_famb_cfgs }, + { .compatible = "qcom,dsi-phy-28nm-lp", + .data = &dsi_phy_28nm_lp_cfgs }, +#endif +#ifdef CONFIG_DRM_MSM_DSI_20NM_PHY + { .compatible = "qcom,dsi-phy-20nm", + .data = &dsi_phy_20nm_cfgs }, +#endif +#ifdef CONFIG_DRM_MSM_DSI_28NM_8960_PHY + { .compatible = "qcom,dsi-phy-28nm-8960", + .data = &dsi_phy_28nm_8960_cfgs }, +#endif +#ifdef CONFIG_DRM_MSM_DSI_14NM_PHY + { .compatible = "qcom,dsi-phy-14nm", + .data = &dsi_phy_14nm_cfgs }, + { .compatible = "qcom,dsi-phy-14nm-660", + .data = &dsi_phy_14nm_660_cfgs }, +#endif +#ifdef CONFIG_DRM_MSM_DSI_10NM_PHY + { .compatible = "qcom,dsi-phy-10nm", + .data = &dsi_phy_10nm_cfgs }, + { .compatible = "qcom,dsi-phy-10nm-8998", + .data = &dsi_phy_10nm_8998_cfgs }, +#endif +#ifdef CONFIG_DRM_MSM_DSI_7NM_PHY + { .compatible = "qcom,dsi-phy-7nm", + .data = &dsi_phy_7nm_cfgs }, + { .compatible = "qcom,dsi-phy-7nm-8150", + .data = &dsi_phy_7nm_8150_cfgs }, +#endif + {} +}; + +/* + * Currently, we only support one SoC for each PHY type. When we have multiple + * SoCs for the same PHY, we can try to make the index searching a bit more + * clever. + */ +static int dsi_phy_get_id(struct msm_dsi_phy *phy) +{ + struct platform_device *pdev = phy->pdev; + const struct msm_dsi_phy_cfg *cfg = phy->cfg; + struct resource *res; + int i; + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dsi_phy"); + if (!res) + return -EINVAL; + + for (i = 0; i < cfg->num_dsi_phy; i++) { + if (cfg->io_start[i] == res->start) + return i; + } + + return -EINVAL; +} + +int msm_dsi_phy_init_common(struct msm_dsi_phy *phy) +{ + struct platform_device *pdev = phy->pdev; + int ret = 0; + + phy->reg_base = msm_ioremap(pdev, "dsi_phy_regulator", + "DSI_PHY_REG"); + if (IS_ERR(phy->reg_base)) { + DRM_DEV_ERROR(&pdev->dev, "%s: failed to map phy regulator base\n", + __func__); + ret = -ENOMEM; + goto fail; + } + +fail: + return ret; +} + +static int dsi_phy_driver_probe(struct platform_device *pdev) +{ + struct msm_dsi_phy *phy; + struct device *dev = &pdev->dev; + const struct of_device_id *match; + int ret; + + phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL); + if (!phy) + return -ENOMEM; + + match = of_match_node(dsi_phy_dt_match, dev->of_node); + if (!match) + return -ENODEV; + + phy->cfg = match->data; + phy->pdev = pdev; + + phy->id = dsi_phy_get_id(phy); + if (phy->id < 0) { + ret = phy->id; + DRM_DEV_ERROR(dev, "%s: couldn't identify PHY index, %d\n", + __func__, ret); + goto fail; + } + + phy->regulator_ldo_mode = of_property_read_bool(dev->of_node, + "qcom,dsi-phy-regulator-ldo-mode"); + + phy->base = msm_ioremap(pdev, "dsi_phy", "DSI_PHY"); + if (IS_ERR(phy->base)) { + DRM_DEV_ERROR(dev, "%s: failed to map phy base\n", __func__); + ret = -ENOMEM; + goto fail; + } + + ret = dsi_phy_regulator_init(phy); + if (ret) + goto fail; + + phy->ahb_clk = msm_clk_get(pdev, "iface"); + if (IS_ERR(phy->ahb_clk)) { + DRM_DEV_ERROR(dev, "%s: Unable to get ahb clk\n", __func__); + ret = PTR_ERR(phy->ahb_clk); + goto fail; + } + + if (phy->cfg->ops.init) { + ret = phy->cfg->ops.init(phy); + if (ret) + goto fail; + } + + /* PLL init will call into clk_register which requires + * register access, so we need to enable power and ahb clock. + */ + ret = dsi_phy_enable_resource(phy); + if (ret) + goto fail; + + phy->pll = msm_dsi_pll_init(pdev, phy->cfg->type, phy->id); + if (IS_ERR_OR_NULL(phy->pll)) { + DRM_DEV_INFO(dev, + "%s: pll init failed: %ld, need separate pll clk driver\n", + __func__, PTR_ERR(phy->pll)); + phy->pll = NULL; + } + + dsi_phy_disable_resource(phy); + + platform_set_drvdata(pdev, phy); + + return 0; + +fail: + return ret; +} + +static int dsi_phy_driver_remove(struct platform_device *pdev) +{ + struct msm_dsi_phy *phy = platform_get_drvdata(pdev); + + if (phy && phy->pll) { + msm_dsi_pll_destroy(phy->pll); + phy->pll = NULL; + } + + platform_set_drvdata(pdev, NULL); + + return 0; +} + +static struct platform_driver dsi_phy_platform_driver = { + .probe = dsi_phy_driver_probe, + .remove = dsi_phy_driver_remove, + .driver = { + .name = "msm_dsi_phy", + .of_match_table = dsi_phy_dt_match, + }, +}; + +void __init msm_dsi_phy_driver_register(void) +{ + platform_driver_register(&dsi_phy_platform_driver); +} + +void __exit msm_dsi_phy_driver_unregister(void) +{ + platform_driver_unregister(&dsi_phy_platform_driver); +} + +int msm_dsi_phy_enable(struct msm_dsi_phy *phy, int src_pll_id, + struct msm_dsi_phy_clk_request *clk_req) +{ + struct device *dev; + int ret; + + if (!phy || !phy->cfg->ops.enable) + return -EINVAL; + + dev = &phy->pdev->dev; + + ret = dsi_phy_enable_resource(phy); + if (ret) { + DRM_DEV_ERROR(dev, "%s: resource enable failed, %d\n", + __func__, ret); + goto res_en_fail; + } + + ret = dsi_phy_regulator_enable(phy); + if (ret) { + DRM_DEV_ERROR(dev, "%s: regulator enable failed, %d\n", + __func__, ret); + goto reg_en_fail; + } + + ret = phy->cfg->ops.enable(phy, src_pll_id, clk_req); + if (ret) { + DRM_DEV_ERROR(dev, "%s: phy enable failed, %d\n", __func__, ret); + goto phy_en_fail; + } + + /* + * Resetting DSI PHY silently changes its PLL registers to reset status, + * which will confuse clock driver and result in wrong output rate of + * link clocks. Restore PLL status if its PLL is being used as clock + * source. + */ + if (phy->usecase != MSM_DSI_PHY_SLAVE) { + ret = msm_dsi_pll_restore_state(phy->pll); + if (ret) { + DRM_DEV_ERROR(dev, "%s: failed to restore pll state, %d\n", + __func__, ret); + goto pll_restor_fail; + } + } + + return 0; + +pll_restor_fail: + if (phy->cfg->ops.disable) + phy->cfg->ops.disable(phy); +phy_en_fail: + dsi_phy_regulator_disable(phy); +reg_en_fail: + dsi_phy_disable_resource(phy); +res_en_fail: + return ret; +} + +void msm_dsi_phy_disable(struct msm_dsi_phy *phy) +{ + if (!phy || !phy->cfg->ops.disable) + return; + + phy->cfg->ops.disable(phy); + + dsi_phy_regulator_disable(phy); + dsi_phy_disable_resource(phy); +} + +void msm_dsi_phy_get_shared_timings(struct msm_dsi_phy *phy, + struct msm_dsi_phy_shared_timings *shared_timings) +{ + memcpy(shared_timings, &phy->timing.shared_timings, + sizeof(*shared_timings)); +} + +struct msm_dsi_pll *msm_dsi_phy_get_pll(struct msm_dsi_phy *phy) +{ + if (!phy) + return NULL; + + return phy->pll; +} + +void msm_dsi_phy_set_usecase(struct msm_dsi_phy *phy, + enum msm_dsi_phy_usecase uc) +{ + if (phy) + phy->usecase = uc; +} diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h new file mode 100644 index 000000000..d2bd74b6f --- /dev/null +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h @@ -0,0 +1,112 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2015, The Linux Foundation. All rights reserved. + */ + +#ifndef __DSI_PHY_H__ +#define __DSI_PHY_H__ + +#include <linux/regulator/consumer.h> + +#include "dsi.h" + +#define dsi_phy_read(offset) msm_readl((offset)) +#define dsi_phy_write(offset, data) msm_writel((data), (offset)) + +/* v3.0.0 10nm implementation that requires the old timings settings */ +#define V3_0_0_10NM_OLD_TIMINGS_QUIRK BIT(0) + +struct msm_dsi_phy_ops { + int (*init) (struct msm_dsi_phy *phy); + int (*enable)(struct msm_dsi_phy *phy, int src_pll_id, + struct msm_dsi_phy_clk_request *clk_req); + void (*disable)(struct msm_dsi_phy *phy); +}; + +struct msm_dsi_phy_cfg { + enum msm_dsi_phy_type type; + struct dsi_reg_config reg_cfg; + struct msm_dsi_phy_ops ops; + + /* + * Each cell {phy_id, pll_id} of the truth table indicates + * if the source PLL selection bit should be set for each PHY. + * Fill default H/W values in illegal cells, eg. cell {0, 1}. + */ + bool src_pll_truthtable[DSI_MAX][DSI_MAX]; + const resource_size_t io_start[DSI_MAX]; + const int num_dsi_phy; + const int quirks; +}; + +extern const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_cfgs; +extern const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_famb_cfgs; +extern const struct msm_dsi_phy_cfg dsi_phy_28nm_lp_cfgs; +extern const struct msm_dsi_phy_cfg dsi_phy_20nm_cfgs; +extern const struct msm_dsi_phy_cfg dsi_phy_28nm_8960_cfgs; +extern const struct msm_dsi_phy_cfg dsi_phy_14nm_cfgs; +extern const struct msm_dsi_phy_cfg dsi_phy_14nm_660_cfgs; +extern const struct msm_dsi_phy_cfg dsi_phy_10nm_cfgs; +extern const struct msm_dsi_phy_cfg dsi_phy_10nm_8998_cfgs; +extern const struct msm_dsi_phy_cfg dsi_phy_7nm_cfgs; +extern const struct msm_dsi_phy_cfg dsi_phy_7nm_8150_cfgs; + +struct msm_dsi_dphy_timing { + u32 clk_zero; + u32 clk_trail; + u32 clk_prepare; + u32 hs_exit; + u32 hs_zero; + u32 hs_prepare; + u32 hs_trail; + u32 hs_rqst; + u32 ta_go; + u32 ta_sure; + u32 ta_get; + + struct msm_dsi_phy_shared_timings shared_timings; + + /* For PHY v2 only */ + u32 hs_rqst_ckln; + u32 hs_prep_dly; + u32 hs_prep_dly_ckln; + u8 hs_halfbyte_en; + u8 hs_halfbyte_en_ckln; +}; + +struct msm_dsi_phy { + struct platform_device *pdev; + void __iomem *base; + void __iomem *reg_base; + void __iomem *lane_base; + int id; + + struct clk *ahb_clk; + struct regulator_bulk_data supplies[DSI_DEV_REGULATOR_MAX]; + + struct msm_dsi_dphy_timing timing; + const struct msm_dsi_phy_cfg *cfg; + + enum msm_dsi_phy_usecase usecase; + bool regulator_ldo_mode; + + struct msm_dsi_pll *pll; +}; + +/* + * PHY internal functions + */ +int msm_dsi_dphy_timing_calc(struct msm_dsi_dphy_timing *timing, + struct msm_dsi_phy_clk_request *clk_req); +int msm_dsi_dphy_timing_calc_v2(struct msm_dsi_dphy_timing *timing, + struct msm_dsi_phy_clk_request *clk_req); +int msm_dsi_dphy_timing_calc_v3(struct msm_dsi_dphy_timing *timing, + struct msm_dsi_phy_clk_request *clk_req); +int msm_dsi_dphy_timing_calc_v4(struct msm_dsi_dphy_timing *timing, + struct msm_dsi_phy_clk_request *clk_req); +void msm_dsi_phy_set_src_pll(struct msm_dsi_phy *phy, int pll_id, u32 reg, + u32 bit_mask); +int msm_dsi_phy_init_common(struct msm_dsi_phy *phy); + +#endif /* __DSI_PHY_H__ */ + diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c new file mode 100644 index 000000000..47403d4f2 --- /dev/null +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c @@ -0,0 +1,247 @@ +/* + * SPDX-License-Identifier: GPL-2.0 + * Copyright (c) 2018, The Linux Foundation + */ + +#include <linux/iopoll.h> + +#include "dsi_phy.h" +#include "dsi.xml.h" + +static int dsi_phy_hw_v3_0_is_pll_on(struct msm_dsi_phy *phy) +{ + void __iomem *base = phy->base; + u32 data = 0; + + data = dsi_phy_read(base + REG_DSI_10nm_PHY_CMN_PLL_CNTRL); + mb(); /* make sure read happened */ + + return (data & BIT(0)); +} + +static void dsi_phy_hw_v3_0_config_lpcdrx(struct msm_dsi_phy *phy, bool enable) +{ + void __iomem *lane_base = phy->lane_base; + int phy_lane_0 = 0; /* TODO: Support all lane swap configs */ + + /* + * LPRX and CDRX need to enabled only for physical data lane + * corresponding to the logical data lane 0 + */ + if (enable) + dsi_phy_write(lane_base + + REG_DSI_10nm_PHY_LN_LPRX_CTRL(phy_lane_0), 0x3); + else + dsi_phy_write(lane_base + + REG_DSI_10nm_PHY_LN_LPRX_CTRL(phy_lane_0), 0); +} + +static void dsi_phy_hw_v3_0_lane_settings(struct msm_dsi_phy *phy) +{ + int i; + u8 tx_dctrl[] = { 0x00, 0x00, 0x00, 0x04, 0x01 }; + void __iomem *lane_base = phy->lane_base; + + if (phy->cfg->quirks & V3_0_0_10NM_OLD_TIMINGS_QUIRK) + tx_dctrl[3] = 0x02; + + /* Strength ctrl settings */ + for (i = 0; i < 5; i++) { + dsi_phy_write(lane_base + REG_DSI_10nm_PHY_LN_LPTX_STR_CTRL(i), + 0x55); + /* + * Disable LPRX and CDRX for all lanes. And later on, it will + * be only enabled for the physical data lane corresponding + * to the logical data lane 0 + */ + dsi_phy_write(lane_base + REG_DSI_10nm_PHY_LN_LPRX_CTRL(i), 0); + dsi_phy_write(lane_base + REG_DSI_10nm_PHY_LN_PIN_SWAP(i), 0x0); + dsi_phy_write(lane_base + REG_DSI_10nm_PHY_LN_HSTX_STR_CTRL(i), + 0x88); + } + + dsi_phy_hw_v3_0_config_lpcdrx(phy, true); + + /* other settings */ + for (i = 0; i < 5; i++) { + dsi_phy_write(lane_base + REG_DSI_10nm_PHY_LN_CFG0(i), 0x0); + dsi_phy_write(lane_base + REG_DSI_10nm_PHY_LN_CFG1(i), 0x0); + dsi_phy_write(lane_base + REG_DSI_10nm_PHY_LN_CFG2(i), 0x0); + dsi_phy_write(lane_base + REG_DSI_10nm_PHY_LN_CFG3(i), + i == 4 ? 0x80 : 0x0); + dsi_phy_write(lane_base + + REG_DSI_10nm_PHY_LN_OFFSET_TOP_CTRL(i), 0x0); + dsi_phy_write(lane_base + + REG_DSI_10nm_PHY_LN_OFFSET_BOT_CTRL(i), 0x0); + dsi_phy_write(lane_base + REG_DSI_10nm_PHY_LN_TX_DCTRL(i), + tx_dctrl[i]); + } + + if (!(phy->cfg->quirks & V3_0_0_10NM_OLD_TIMINGS_QUIRK)) { + /* Toggle BIT 0 to release freeze I/0 */ + dsi_phy_write(lane_base + REG_DSI_10nm_PHY_LN_TX_DCTRL(3), 0x05); + dsi_phy_write(lane_base + REG_DSI_10nm_PHY_LN_TX_DCTRL(3), 0x04); + } +} + +static int dsi_10nm_phy_enable(struct msm_dsi_phy *phy, int src_pll_id, + struct msm_dsi_phy_clk_request *clk_req) +{ + int ret; + u32 status; + u32 const delay_us = 5; + u32 const timeout_us = 1000; + struct msm_dsi_dphy_timing *timing = &phy->timing; + void __iomem *base = phy->base; + u32 data; + + DBG(""); + + if (msm_dsi_dphy_timing_calc_v3(timing, clk_req)) { + DRM_DEV_ERROR(&phy->pdev->dev, + "%s: D-PHY timing calculation failed\n", __func__); + return -EINVAL; + } + + if (dsi_phy_hw_v3_0_is_pll_on(phy)) + pr_warn("PLL turned on before configuring PHY\n"); + + /* wait for REFGEN READY */ + ret = readl_poll_timeout_atomic(base + REG_DSI_10nm_PHY_CMN_PHY_STATUS, + status, (status & BIT(0)), + delay_us, timeout_us); + if (ret) { + pr_err("Ref gen not ready. Aborting\n"); + return -EINVAL; + } + + /* de-assert digital and pll power down */ + data = BIT(6) | BIT(5); + dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_CTRL_0, data); + + /* Assert PLL core reset */ + dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_PLL_CNTRL, 0x00); + + /* turn off resync FIFO */ + dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_RBUF_CTRL, 0x00); + + /* Select MS1 byte-clk */ + dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_GLBL_CTRL, 0x10); + + /* Enable LDO */ + dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_VREG_CTRL, 0x59); + + /* Configure PHY lane swap (TODO: we need to calculate this) */ + dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_LANE_CFG0, 0x21); + dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_LANE_CFG1, 0x84); + + /* DSI PHY timings */ + dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_TIMING_CTRL_0, + timing->hs_halfbyte_en); + dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_TIMING_CTRL_1, + timing->clk_zero); + dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_TIMING_CTRL_2, + timing->clk_prepare); + dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_TIMING_CTRL_3, + timing->clk_trail); + dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_TIMING_CTRL_4, + timing->hs_exit); + dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_TIMING_CTRL_5, + timing->hs_zero); + dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_TIMING_CTRL_6, + timing->hs_prepare); + dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_TIMING_CTRL_7, + timing->hs_trail); + dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_TIMING_CTRL_8, + timing->hs_rqst); + dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_TIMING_CTRL_9, + timing->ta_go | (timing->ta_sure << 3)); + dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_TIMING_CTRL_10, + timing->ta_get); + dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_TIMING_CTRL_11, + 0x00); + + /* Remove power down from all blocks */ + dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_CTRL_0, 0x7f); + + /* power up lanes */ + data = dsi_phy_read(base + REG_DSI_10nm_PHY_CMN_CTRL_0); + + /* TODO: only power up lanes that are used */ + data |= 0x1F; + dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_CTRL_0, data); + dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_LANE_CTRL0, 0x1F); + + /* Select full-rate mode */ + dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_CTRL_2, 0x40); + + ret = msm_dsi_pll_set_usecase(phy->pll, phy->usecase); + if (ret) { + DRM_DEV_ERROR(&phy->pdev->dev, "%s: set pll usecase failed, %d\n", + __func__, ret); + return ret; + } + + /* DSI lane settings */ + dsi_phy_hw_v3_0_lane_settings(phy); + + DBG("DSI%d PHY enabled", phy->id); + + return 0; +} + +static void dsi_10nm_phy_disable(struct msm_dsi_phy *phy) +{ +} + +static int dsi_10nm_phy_init(struct msm_dsi_phy *phy) +{ + struct platform_device *pdev = phy->pdev; + + phy->lane_base = msm_ioremap(pdev, "dsi_phy_lane", + "DSI_PHY_LANE"); + if (IS_ERR(phy->lane_base)) { + DRM_DEV_ERROR(&pdev->dev, "%s: failed to map phy lane base\n", + __func__); + return -ENOMEM; + } + + return 0; +} + +const struct msm_dsi_phy_cfg dsi_phy_10nm_cfgs = { + .type = MSM_DSI_PHY_10NM, + .src_pll_truthtable = { {false, false}, {true, false} }, + .reg_cfg = { + .num = 1, + .regs = { + {"vdds", 36000, 32}, + }, + }, + .ops = { + .enable = dsi_10nm_phy_enable, + .disable = dsi_10nm_phy_disable, + .init = dsi_10nm_phy_init, + }, + .io_start = { 0xae94400, 0xae96400 }, + .num_dsi_phy = 2, +}; + +const struct msm_dsi_phy_cfg dsi_phy_10nm_8998_cfgs = { + .type = MSM_DSI_PHY_10NM, + .src_pll_truthtable = { {false, false}, {true, false} }, + .reg_cfg = { + .num = 1, + .regs = { + {"vdds", 36000, 32}, + }, + }, + .ops = { + .enable = dsi_10nm_phy_enable, + .disable = dsi_10nm_phy_disable, + .init = dsi_10nm_phy_init, + }, + .io_start = { 0xc994400, 0xc996400 }, + .num_dsi_phy = 2, + .quirks = V3_0_0_10NM_OLD_TIMINGS_QUIRK, +}; diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c new file mode 100644 index 000000000..1ca9e73c6 --- /dev/null +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c @@ -0,0 +1,181 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2016, The Linux Foundation. All rights reserved. + */ + +#include <linux/delay.h> + +#include "dsi_phy.h" +#include "dsi.xml.h" + +#define PHY_14NM_CKLN_IDX 4 + +static void dsi_14nm_dphy_set_timing(struct msm_dsi_phy *phy, + struct msm_dsi_dphy_timing *timing, + int lane_idx) +{ + void __iomem *base = phy->lane_base; + bool clk_ln = (lane_idx == PHY_14NM_CKLN_IDX); + u32 zero = clk_ln ? timing->clk_zero : timing->hs_zero; + u32 prepare = clk_ln ? timing->clk_prepare : timing->hs_prepare; + u32 trail = clk_ln ? timing->clk_trail : timing->hs_trail; + u32 rqst = clk_ln ? timing->hs_rqst_ckln : timing->hs_rqst; + u32 prep_dly = clk_ln ? timing->hs_prep_dly_ckln : timing->hs_prep_dly; + u32 halfbyte_en = clk_ln ? timing->hs_halfbyte_en_ckln : + timing->hs_halfbyte_en; + + dsi_phy_write(base + REG_DSI_14nm_PHY_LN_TIMING_CTRL_4(lane_idx), + DSI_14nm_PHY_LN_TIMING_CTRL_4_HS_EXIT(timing->hs_exit)); + dsi_phy_write(base + REG_DSI_14nm_PHY_LN_TIMING_CTRL_5(lane_idx), + DSI_14nm_PHY_LN_TIMING_CTRL_5_HS_ZERO(zero)); + dsi_phy_write(base + REG_DSI_14nm_PHY_LN_TIMING_CTRL_6(lane_idx), + DSI_14nm_PHY_LN_TIMING_CTRL_6_HS_PREPARE(prepare)); + dsi_phy_write(base + REG_DSI_14nm_PHY_LN_TIMING_CTRL_7(lane_idx), + DSI_14nm_PHY_LN_TIMING_CTRL_7_HS_TRAIL(trail)); + dsi_phy_write(base + REG_DSI_14nm_PHY_LN_TIMING_CTRL_8(lane_idx), + DSI_14nm_PHY_LN_TIMING_CTRL_8_HS_RQST(rqst)); + dsi_phy_write(base + REG_DSI_14nm_PHY_LN_CFG0(lane_idx), + DSI_14nm_PHY_LN_CFG0_PREPARE_DLY(prep_dly)); + dsi_phy_write(base + REG_DSI_14nm_PHY_LN_CFG1(lane_idx), + halfbyte_en ? DSI_14nm_PHY_LN_CFG1_HALFBYTECLK_EN : 0); + dsi_phy_write(base + REG_DSI_14nm_PHY_LN_TIMING_CTRL_9(lane_idx), + DSI_14nm_PHY_LN_TIMING_CTRL_9_TA_GO(timing->ta_go) | + DSI_14nm_PHY_LN_TIMING_CTRL_9_TA_SURE(timing->ta_sure)); + dsi_phy_write(base + REG_DSI_14nm_PHY_LN_TIMING_CTRL_10(lane_idx), + DSI_14nm_PHY_LN_TIMING_CTRL_10_TA_GET(timing->ta_get)); + dsi_phy_write(base + REG_DSI_14nm_PHY_LN_TIMING_CTRL_11(lane_idx), + DSI_14nm_PHY_LN_TIMING_CTRL_11_TRIG3_CMD(0xa0)); +} + +static int dsi_14nm_phy_enable(struct msm_dsi_phy *phy, int src_pll_id, + struct msm_dsi_phy_clk_request *clk_req) +{ + struct msm_dsi_dphy_timing *timing = &phy->timing; + u32 data; + int i; + int ret; + void __iomem *base = phy->base; + void __iomem *lane_base = phy->lane_base; + + if (msm_dsi_dphy_timing_calc_v2(timing, clk_req)) { + DRM_DEV_ERROR(&phy->pdev->dev, + "%s: D-PHY timing calculation failed\n", __func__); + return -EINVAL; + } + + data = 0x1c; + if (phy->usecase != MSM_DSI_PHY_STANDALONE) + data |= DSI_14nm_PHY_CMN_LDO_CNTRL_VREG_CTRL(32); + dsi_phy_write(base + REG_DSI_14nm_PHY_CMN_LDO_CNTRL, data); + + dsi_phy_write(base + REG_DSI_14nm_PHY_CMN_GLBL_TEST_CTRL, 0x1); + + /* 4 data lanes + 1 clk lane configuration */ + for (i = 0; i < 5; i++) { + dsi_phy_write(lane_base + REG_DSI_14nm_PHY_LN_VREG_CNTRL(i), + 0x1d); + + dsi_phy_write(lane_base + + REG_DSI_14nm_PHY_LN_STRENGTH_CTRL_0(i), 0xff); + dsi_phy_write(lane_base + + REG_DSI_14nm_PHY_LN_STRENGTH_CTRL_1(i), + (i == PHY_14NM_CKLN_IDX) ? 0x00 : 0x06); + + dsi_phy_write(lane_base + REG_DSI_14nm_PHY_LN_CFG3(i), + (i == PHY_14NM_CKLN_IDX) ? 0x8f : 0x0f); + dsi_phy_write(lane_base + REG_DSI_14nm_PHY_LN_CFG2(i), 0x10); + dsi_phy_write(lane_base + REG_DSI_14nm_PHY_LN_TEST_DATAPATH(i), + 0); + dsi_phy_write(lane_base + REG_DSI_14nm_PHY_LN_TEST_STR(i), + 0x88); + + dsi_14nm_dphy_set_timing(phy, timing, i); + } + + /* Make sure PLL is not start */ + dsi_phy_write(base + REG_DSI_14nm_PHY_CMN_PLL_CNTRL, 0x00); + + wmb(); /* make sure everything is written before reset and enable */ + + /* reset digital block */ + dsi_phy_write(base + REG_DSI_14nm_PHY_CMN_CTRL_1, 0x80); + wmb(); /* ensure reset is asserted */ + udelay(100); + dsi_phy_write(base + REG_DSI_14nm_PHY_CMN_CTRL_1, 0x00); + + msm_dsi_phy_set_src_pll(phy, src_pll_id, + REG_DSI_14nm_PHY_CMN_GLBL_TEST_CTRL, + DSI_14nm_PHY_CMN_GLBL_TEST_CTRL_BITCLK_HS_SEL); + + ret = msm_dsi_pll_set_usecase(phy->pll, phy->usecase); + if (ret) { + DRM_DEV_ERROR(&phy->pdev->dev, "%s: set pll usecase failed, %d\n", + __func__, ret); + return ret; + } + + /* Remove power down from PLL and all lanes */ + dsi_phy_write(base + REG_DSI_14nm_PHY_CMN_CTRL_0, 0xff); + + return 0; +} + +static void dsi_14nm_phy_disable(struct msm_dsi_phy *phy) +{ + dsi_phy_write(phy->base + REG_DSI_14nm_PHY_CMN_GLBL_TEST_CTRL, 0); + dsi_phy_write(phy->base + REG_DSI_14nm_PHY_CMN_CTRL_0, 0); + + /* ensure that the phy is completely disabled */ + wmb(); +} + +static int dsi_14nm_phy_init(struct msm_dsi_phy *phy) +{ + struct platform_device *pdev = phy->pdev; + + phy->lane_base = msm_ioremap(pdev, "dsi_phy_lane", + "DSI_PHY_LANE"); + if (IS_ERR(phy->lane_base)) { + DRM_DEV_ERROR(&pdev->dev, "%s: failed to map phy lane base\n", + __func__); + return -ENOMEM; + } + + return 0; +} + +const struct msm_dsi_phy_cfg dsi_phy_14nm_cfgs = { + .type = MSM_DSI_PHY_14NM, + .src_pll_truthtable = { {false, false}, {true, false} }, + .reg_cfg = { + .num = 1, + .regs = { + {"vcca", 17000, 32}, + }, + }, + .ops = { + .enable = dsi_14nm_phy_enable, + .disable = dsi_14nm_phy_disable, + .init = dsi_14nm_phy_init, + }, + .io_start = { 0x994400, 0x996400 }, + .num_dsi_phy = 2, +}; + +const struct msm_dsi_phy_cfg dsi_phy_14nm_660_cfgs = { + .type = MSM_DSI_PHY_14NM, + .src_pll_truthtable = { {false, false}, {true, false} }, + .reg_cfg = { + .num = 1, + .regs = { + {"vcca", 73400, 32}, + }, + }, + .ops = { + .enable = dsi_14nm_phy_enable, + .disable = dsi_14nm_phy_disable, + .init = dsi_14nm_phy_init, + }, + .io_start = { 0xc994400, 0xc996000 }, + .num_dsi_phy = 2, +}; diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c new file mode 100644 index 000000000..eca86bf44 --- /dev/null +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c @@ -0,0 +1,145 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2015, The Linux Foundation. All rights reserved. + */ + +#include "dsi_phy.h" +#include "dsi.xml.h" + +static void dsi_20nm_dphy_set_timing(struct msm_dsi_phy *phy, + struct msm_dsi_dphy_timing *timing) +{ + void __iomem *base = phy->base; + + dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_0, + DSI_20nm_PHY_TIMING_CTRL_0_CLK_ZERO(timing->clk_zero)); + dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_1, + DSI_20nm_PHY_TIMING_CTRL_1_CLK_TRAIL(timing->clk_trail)); + dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_2, + DSI_20nm_PHY_TIMING_CTRL_2_CLK_PREPARE(timing->clk_prepare)); + if (timing->clk_zero & BIT(8)) + dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_3, + DSI_20nm_PHY_TIMING_CTRL_3_CLK_ZERO_8); + dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_4, + DSI_20nm_PHY_TIMING_CTRL_4_HS_EXIT(timing->hs_exit)); + dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_5, + DSI_20nm_PHY_TIMING_CTRL_5_HS_ZERO(timing->hs_zero)); + dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_6, + DSI_20nm_PHY_TIMING_CTRL_6_HS_PREPARE(timing->hs_prepare)); + dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_7, + DSI_20nm_PHY_TIMING_CTRL_7_HS_TRAIL(timing->hs_trail)); + dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_8, + DSI_20nm_PHY_TIMING_CTRL_8_HS_RQST(timing->hs_rqst)); + dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_9, + DSI_20nm_PHY_TIMING_CTRL_9_TA_GO(timing->ta_go) | + DSI_20nm_PHY_TIMING_CTRL_9_TA_SURE(timing->ta_sure)); + dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_10, + DSI_20nm_PHY_TIMING_CTRL_10_TA_GET(timing->ta_get)); + dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_11, + DSI_20nm_PHY_TIMING_CTRL_11_TRIG3_CMD(0)); +} + +static void dsi_20nm_phy_regulator_ctrl(struct msm_dsi_phy *phy, bool enable) +{ + void __iomem *base = phy->reg_base; + + if (!enable) { + dsi_phy_write(base + REG_DSI_20nm_PHY_REGULATOR_CAL_PWR_CFG, 0); + return; + } + + if (phy->regulator_ldo_mode) { + dsi_phy_write(phy->base + REG_DSI_20nm_PHY_LDO_CNTRL, 0x1d); + return; + } + + /* non LDO mode */ + dsi_phy_write(base + REG_DSI_20nm_PHY_REGULATOR_CTRL_1, 0x03); + dsi_phy_write(base + REG_DSI_20nm_PHY_REGULATOR_CTRL_2, 0x03); + dsi_phy_write(base + REG_DSI_20nm_PHY_REGULATOR_CTRL_3, 0x00); + dsi_phy_write(base + REG_DSI_20nm_PHY_REGULATOR_CTRL_4, 0x20); + dsi_phy_write(base + REG_DSI_20nm_PHY_REGULATOR_CAL_PWR_CFG, 0x01); + dsi_phy_write(phy->base + REG_DSI_20nm_PHY_LDO_CNTRL, 0x00); + dsi_phy_write(base + REG_DSI_20nm_PHY_REGULATOR_CTRL_0, 0x03); +} + +static int dsi_20nm_phy_enable(struct msm_dsi_phy *phy, int src_pll_id, + struct msm_dsi_phy_clk_request *clk_req) +{ + struct msm_dsi_dphy_timing *timing = &phy->timing; + int i; + void __iomem *base = phy->base; + u32 cfg_4[4] = {0x20, 0x40, 0x20, 0x00}; + + DBG(""); + + if (msm_dsi_dphy_timing_calc(timing, clk_req)) { + DRM_DEV_ERROR(&phy->pdev->dev, + "%s: D-PHY timing calculation failed\n", __func__); + return -EINVAL; + } + + dsi_20nm_phy_regulator_ctrl(phy, true); + + dsi_phy_write(base + REG_DSI_20nm_PHY_STRENGTH_0, 0xff); + + msm_dsi_phy_set_src_pll(phy, src_pll_id, + REG_DSI_20nm_PHY_GLBL_TEST_CTRL, + DSI_20nm_PHY_GLBL_TEST_CTRL_BITCLK_HS_SEL); + + for (i = 0; i < 4; i++) { + dsi_phy_write(base + REG_DSI_20nm_PHY_LN_CFG_3(i), + (i >> 1) * 0x40); + dsi_phy_write(base + REG_DSI_20nm_PHY_LN_TEST_STR_0(i), 0x01); + dsi_phy_write(base + REG_DSI_20nm_PHY_LN_TEST_STR_1(i), 0x46); + dsi_phy_write(base + REG_DSI_20nm_PHY_LN_CFG_0(i), 0x02); + dsi_phy_write(base + REG_DSI_20nm_PHY_LN_CFG_1(i), 0xa0); + dsi_phy_write(base + REG_DSI_20nm_PHY_LN_CFG_4(i), cfg_4[i]); + } + + dsi_phy_write(base + REG_DSI_20nm_PHY_LNCK_CFG_3, 0x80); + dsi_phy_write(base + REG_DSI_20nm_PHY_LNCK_TEST_STR0, 0x01); + dsi_phy_write(base + REG_DSI_20nm_PHY_LNCK_TEST_STR1, 0x46); + dsi_phy_write(base + REG_DSI_20nm_PHY_LNCK_CFG_0, 0x00); + dsi_phy_write(base + REG_DSI_20nm_PHY_LNCK_CFG_1, 0xa0); + dsi_phy_write(base + REG_DSI_20nm_PHY_LNCK_CFG_2, 0x00); + dsi_phy_write(base + REG_DSI_20nm_PHY_LNCK_CFG_4, 0x00); + + dsi_20nm_dphy_set_timing(phy, timing); + + dsi_phy_write(base + REG_DSI_20nm_PHY_CTRL_1, 0x00); + + dsi_phy_write(base + REG_DSI_20nm_PHY_STRENGTH_1, 0x06); + + /* make sure everything is written before enable */ + wmb(); + dsi_phy_write(base + REG_DSI_20nm_PHY_CTRL_0, 0x7f); + + return 0; +} + +static void dsi_20nm_phy_disable(struct msm_dsi_phy *phy) +{ + dsi_phy_write(phy->base + REG_DSI_20nm_PHY_CTRL_0, 0); + dsi_20nm_phy_regulator_ctrl(phy, false); +} + +const struct msm_dsi_phy_cfg dsi_phy_20nm_cfgs = { + .type = MSM_DSI_PHY_20NM, + .src_pll_truthtable = { {false, true}, {false, true} }, + .reg_cfg = { + .num = 2, + .regs = { + {"vddio", 100000, 100}, /* 1.8 V */ + {"vcca", 10000, 100}, /* 1.0 V */ + }, + }, + .ops = { + .enable = dsi_20nm_phy_enable, + .disable = dsi_20nm_phy_disable, + .init = msm_dsi_phy_init_common, + }, + .io_start = { 0xfd998500, 0xfd9a0500 }, + .num_dsi_phy = 2, +}; + diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c new file mode 100644 index 000000000..c3c580cfd --- /dev/null +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c @@ -0,0 +1,206 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2015, The Linux Foundation. All rights reserved. + */ + +#include "dsi_phy.h" +#include "dsi.xml.h" + +static void dsi_28nm_dphy_set_timing(struct msm_dsi_phy *phy, + struct msm_dsi_dphy_timing *timing) +{ + void __iomem *base = phy->base; + + dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_0, + DSI_28nm_PHY_TIMING_CTRL_0_CLK_ZERO(timing->clk_zero)); + dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_1, + DSI_28nm_PHY_TIMING_CTRL_1_CLK_TRAIL(timing->clk_trail)); + dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_2, + DSI_28nm_PHY_TIMING_CTRL_2_CLK_PREPARE(timing->clk_prepare)); + if (timing->clk_zero & BIT(8)) + dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_3, + DSI_28nm_PHY_TIMING_CTRL_3_CLK_ZERO_8); + dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_4, + DSI_28nm_PHY_TIMING_CTRL_4_HS_EXIT(timing->hs_exit)); + dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_5, + DSI_28nm_PHY_TIMING_CTRL_5_HS_ZERO(timing->hs_zero)); + dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_6, + DSI_28nm_PHY_TIMING_CTRL_6_HS_PREPARE(timing->hs_prepare)); + dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_7, + DSI_28nm_PHY_TIMING_CTRL_7_HS_TRAIL(timing->hs_trail)); + dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_8, + DSI_28nm_PHY_TIMING_CTRL_8_HS_RQST(timing->hs_rqst)); + dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_9, + DSI_28nm_PHY_TIMING_CTRL_9_TA_GO(timing->ta_go) | + DSI_28nm_PHY_TIMING_CTRL_9_TA_SURE(timing->ta_sure)); + dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_10, + DSI_28nm_PHY_TIMING_CTRL_10_TA_GET(timing->ta_get)); + dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_11, + DSI_28nm_PHY_TIMING_CTRL_11_TRIG3_CMD(0)); +} + +static void dsi_28nm_phy_regulator_enable_dcdc(struct msm_dsi_phy *phy) +{ + void __iomem *base = phy->reg_base; + + dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_0, 0x0); + dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CAL_PWR_CFG, 1); + dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_5, 0); + dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_3, 0); + dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_2, 0x3); + dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_1, 0x9); + dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_0, 0x7); + dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_4, 0x20); + dsi_phy_write(phy->base + REG_DSI_28nm_PHY_LDO_CNTRL, 0x00); +} + +static void dsi_28nm_phy_regulator_enable_ldo(struct msm_dsi_phy *phy) +{ + void __iomem *base = phy->reg_base; + + dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_0, 0x0); + dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CAL_PWR_CFG, 0); + dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_5, 0x7); + dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_3, 0); + dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_2, 0x1); + dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_1, 0x1); + dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_4, 0x20); + + if (phy->cfg->type == MSM_DSI_PHY_28NM_LP) + dsi_phy_write(phy->base + REG_DSI_28nm_PHY_LDO_CNTRL, 0x05); + else + dsi_phy_write(phy->base + REG_DSI_28nm_PHY_LDO_CNTRL, 0x0d); +} + +static void dsi_28nm_phy_regulator_ctrl(struct msm_dsi_phy *phy, bool enable) +{ + if (!enable) { + dsi_phy_write(phy->reg_base + + REG_DSI_28nm_PHY_REGULATOR_CAL_PWR_CFG, 0); + return; + } + + if (phy->regulator_ldo_mode) + dsi_28nm_phy_regulator_enable_ldo(phy); + else + dsi_28nm_phy_regulator_enable_dcdc(phy); +} + +static int dsi_28nm_phy_enable(struct msm_dsi_phy *phy, int src_pll_id, + struct msm_dsi_phy_clk_request *clk_req) +{ + struct msm_dsi_dphy_timing *timing = &phy->timing; + int i; + void __iomem *base = phy->base; + + DBG(""); + + if (msm_dsi_dphy_timing_calc(timing, clk_req)) { + DRM_DEV_ERROR(&phy->pdev->dev, + "%s: D-PHY timing calculation failed\n", __func__); + return -EINVAL; + } + + dsi_phy_write(base + REG_DSI_28nm_PHY_STRENGTH_0, 0xff); + + dsi_28nm_phy_regulator_ctrl(phy, true); + + dsi_28nm_dphy_set_timing(phy, timing); + + dsi_phy_write(base + REG_DSI_28nm_PHY_CTRL_1, 0x00); + dsi_phy_write(base + REG_DSI_28nm_PHY_CTRL_0, 0x5f); + + dsi_phy_write(base + REG_DSI_28nm_PHY_STRENGTH_1, 0x6); + + for (i = 0; i < 4; i++) { + dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_0(i), 0); + dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_1(i), 0); + dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_2(i), 0); + dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_3(i), 0); + dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_4(i), 0); + dsi_phy_write(base + REG_DSI_28nm_PHY_LN_TEST_DATAPATH(i), 0); + dsi_phy_write(base + REG_DSI_28nm_PHY_LN_DEBUG_SEL(i), 0); + dsi_phy_write(base + REG_DSI_28nm_PHY_LN_TEST_STR_0(i), 0x1); + dsi_phy_write(base + REG_DSI_28nm_PHY_LN_TEST_STR_1(i), 0x97); + } + + dsi_phy_write(base + REG_DSI_28nm_PHY_LNCK_CFG_4, 0); + dsi_phy_write(base + REG_DSI_28nm_PHY_LNCK_CFG_1, 0xc0); + dsi_phy_write(base + REG_DSI_28nm_PHY_LNCK_TEST_STR0, 0x1); + dsi_phy_write(base + REG_DSI_28nm_PHY_LNCK_TEST_STR1, 0xbb); + + dsi_phy_write(base + REG_DSI_28nm_PHY_CTRL_0, 0x5f); + + msm_dsi_phy_set_src_pll(phy, src_pll_id, + REG_DSI_28nm_PHY_GLBL_TEST_CTRL, + DSI_28nm_PHY_GLBL_TEST_CTRL_BITCLK_HS_SEL); + + return 0; +} + +static void dsi_28nm_phy_disable(struct msm_dsi_phy *phy) +{ + dsi_phy_write(phy->base + REG_DSI_28nm_PHY_CTRL_0, 0); + dsi_28nm_phy_regulator_ctrl(phy, false); + + /* + * Wait for the registers writes to complete in order to + * ensure that the phy is completely disabled + */ + wmb(); +} + +const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_cfgs = { + .type = MSM_DSI_PHY_28NM_HPM, + .src_pll_truthtable = { {true, true}, {false, true} }, + .reg_cfg = { + .num = 1, + .regs = { + {"vddio", 100000, 100}, + }, + }, + .ops = { + .enable = dsi_28nm_phy_enable, + .disable = dsi_28nm_phy_disable, + .init = msm_dsi_phy_init_common, + }, + .io_start = { 0xfd922b00, 0xfd923100 }, + .num_dsi_phy = 2, +}; + +const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_famb_cfgs = { + .type = MSM_DSI_PHY_28NM_HPM, + .src_pll_truthtable = { {true, true}, {false, true} }, + .reg_cfg = { + .num = 1, + .regs = { + {"vddio", 100000, 100}, + }, + }, + .ops = { + .enable = dsi_28nm_phy_enable, + .disable = dsi_28nm_phy_disable, + .init = msm_dsi_phy_init_common, + }, + .io_start = { 0x1a94400, 0x1a96400 }, + .num_dsi_phy = 2, +}; + +const struct msm_dsi_phy_cfg dsi_phy_28nm_lp_cfgs = { + .type = MSM_DSI_PHY_28NM_LP, + .src_pll_truthtable = { {true, true}, {true, true} }, + .reg_cfg = { + .num = 1, + .regs = { + {"vddio", 100000, 100}, /* 1.8 V */ + }, + }, + .ops = { + .enable = dsi_28nm_phy_enable, + .disable = dsi_28nm_phy_disable, + .init = msm_dsi_phy_init_common, + }, + .io_start = { 0x1a98500 }, + .num_dsi_phy = 1, +}; + diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c new file mode 100644 index 000000000..f22583353 --- /dev/null +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c @@ -0,0 +1,192 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2012-2015, The Linux Foundation. All rights reserved. + */ + +#include <linux/delay.h> + +#include "dsi_phy.h" +#include "dsi.xml.h" + +static void dsi_28nm_dphy_set_timing(struct msm_dsi_phy *phy, + struct msm_dsi_dphy_timing *timing) +{ + void __iomem *base = phy->base; + + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_TIMING_CTRL_0, + DSI_28nm_8960_PHY_TIMING_CTRL_0_CLK_ZERO(timing->clk_zero)); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_TIMING_CTRL_1, + DSI_28nm_8960_PHY_TIMING_CTRL_1_CLK_TRAIL(timing->clk_trail)); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_TIMING_CTRL_2, + DSI_28nm_8960_PHY_TIMING_CTRL_2_CLK_PREPARE(timing->clk_prepare)); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_TIMING_CTRL_3, 0x0); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_TIMING_CTRL_4, + DSI_28nm_8960_PHY_TIMING_CTRL_4_HS_EXIT(timing->hs_exit)); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_TIMING_CTRL_5, + DSI_28nm_8960_PHY_TIMING_CTRL_5_HS_ZERO(timing->hs_zero)); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_TIMING_CTRL_6, + DSI_28nm_8960_PHY_TIMING_CTRL_6_HS_PREPARE(timing->hs_prepare)); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_TIMING_CTRL_7, + DSI_28nm_8960_PHY_TIMING_CTRL_7_HS_TRAIL(timing->hs_trail)); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_TIMING_CTRL_8, + DSI_28nm_8960_PHY_TIMING_CTRL_8_HS_RQST(timing->hs_rqst)); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_TIMING_CTRL_9, + DSI_28nm_8960_PHY_TIMING_CTRL_9_TA_GO(timing->ta_go) | + DSI_28nm_8960_PHY_TIMING_CTRL_9_TA_SURE(timing->ta_sure)); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_TIMING_CTRL_10, + DSI_28nm_8960_PHY_TIMING_CTRL_10_TA_GET(timing->ta_get)); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_TIMING_CTRL_11, + DSI_28nm_8960_PHY_TIMING_CTRL_11_TRIG3_CMD(0)); +} + +static void dsi_28nm_phy_regulator_init(struct msm_dsi_phy *phy) +{ + void __iomem *base = phy->reg_base; + + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_0, 0x3); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_1, 1); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_2, 1); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_3, 0); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_4, + 0x100); +} + +static void dsi_28nm_phy_regulator_ctrl(struct msm_dsi_phy *phy) +{ + void __iomem *base = phy->reg_base; + + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_0, 0x3); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_1, 0xa); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_2, 0x4); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_3, 0x0); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_4, 0x20); +} + +static void dsi_28nm_phy_calibration(struct msm_dsi_phy *phy) +{ + void __iomem *base = phy->reg_base; + u32 status; + int i = 5000; + + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CAL_PWR_CFG, + 0x3); + + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_CAL_SW_CFG_2, 0x0); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_CAL_HW_CFG_1, 0x5a); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_CAL_HW_CFG_3, 0x10); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_CAL_HW_CFG_4, 0x1); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_CAL_HW_CFG_0, 0x1); + + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_CAL_HW_TRIGGER, 0x1); + usleep_range(5000, 6000); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_CAL_HW_TRIGGER, 0x0); + + do { + status = dsi_phy_read(base + + REG_DSI_28nm_8960_PHY_MISC_CAL_STATUS); + + if (!(status & DSI_28nm_8960_PHY_MISC_CAL_STATUS_CAL_BUSY)) + break; + + udelay(1); + } while (--i > 0); +} + +static void dsi_28nm_phy_lane_config(struct msm_dsi_phy *phy) +{ + void __iomem *base = phy->base; + int i; + + for (i = 0; i < 4; i++) { + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LN_CFG_0(i), 0x80); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LN_CFG_1(i), 0x45); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LN_CFG_2(i), 0x00); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LN_TEST_DATAPATH(i), + 0x00); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LN_TEST_STR_0(i), + 0x01); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LN_TEST_STR_1(i), + 0x66); + } + + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LNCK_CFG_0, 0x40); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LNCK_CFG_1, 0x67); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LNCK_CFG_2, 0x0); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LNCK_TEST_DATAPATH, 0x0); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LNCK_TEST_STR0, 0x1); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LNCK_TEST_STR1, 0x88); +} + +static int dsi_28nm_phy_enable(struct msm_dsi_phy *phy, int src_pll_id, + struct msm_dsi_phy_clk_request *clk_req) +{ + struct msm_dsi_dphy_timing *timing = &phy->timing; + void __iomem *base = phy->base; + + DBG(""); + + if (msm_dsi_dphy_timing_calc(timing, clk_req)) { + DRM_DEV_ERROR(&phy->pdev->dev, + "%s: D-PHY timing calculation failed\n", __func__); + return -EINVAL; + } + + dsi_28nm_phy_regulator_init(phy); + + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LDO_CTRL, 0x04); + + /* strength control */ + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_STRENGTH_0, 0xff); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_STRENGTH_1, 0x00); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_STRENGTH_2, 0x06); + + /* phy ctrl */ + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_CTRL_0, 0x5f); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_CTRL_1, 0x00); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_CTRL_2, 0x00); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_CTRL_3, 0x10); + + dsi_28nm_phy_regulator_ctrl(phy); + + dsi_28nm_phy_calibration(phy); + + dsi_28nm_phy_lane_config(phy); + + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_BIST_CTRL_4, 0x0f); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_BIST_CTRL_1, 0x03); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_BIST_CTRL_0, 0x03); + dsi_phy_write(base + REG_DSI_28nm_8960_PHY_BIST_CTRL_4, 0x0); + + dsi_28nm_dphy_set_timing(phy, timing); + + return 0; +} + +static void dsi_28nm_phy_disable(struct msm_dsi_phy *phy) +{ + dsi_phy_write(phy->base + REG_DSI_28nm_8960_PHY_CTRL_0, 0x0); + + /* + * Wait for the registers writes to complete in order to + * ensure that the phy is completely disabled + */ + wmb(); +} + +const struct msm_dsi_phy_cfg dsi_phy_28nm_8960_cfgs = { + .type = MSM_DSI_PHY_28NM_8960, + .src_pll_truthtable = { {true, true}, {false, true} }, + .reg_cfg = { + .num = 1, + .regs = { + {"vddio", 100000, 100}, /* 1.8 V */ + }, + }, + .ops = { + .enable = dsi_28nm_phy_enable, + .disable = dsi_28nm_phy_disable, + .init = msm_dsi_phy_init_common, + }, + .io_start = { 0x4700300, 0x5800300 }, + .num_dsi_phy = 2, +}; diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c new file mode 100644 index 000000000..255b5f5ab --- /dev/null +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c @@ -0,0 +1,255 @@ +/* + * SPDX-License-Identifier: GPL-2.0 + * Copyright (c) 2018, The Linux Foundation + */ + +#include <linux/iopoll.h> + +#include "dsi_phy.h" +#include "dsi.xml.h" + +static int dsi_phy_hw_v4_0_is_pll_on(struct msm_dsi_phy *phy) +{ + void __iomem *base = phy->base; + u32 data = 0; + + data = dsi_phy_read(base + REG_DSI_7nm_PHY_CMN_PLL_CNTRL); + mb(); /* make sure read happened */ + + return (data & BIT(0)); +} + +static void dsi_phy_hw_v4_0_config_lpcdrx(struct msm_dsi_phy *phy, bool enable) +{ + void __iomem *lane_base = phy->lane_base; + int phy_lane_0 = 0; /* TODO: Support all lane swap configs */ + + /* + * LPRX and CDRX need to enabled only for physical data lane + * corresponding to the logical data lane 0 + */ + if (enable) + dsi_phy_write(lane_base + + REG_DSI_7nm_PHY_LN_LPRX_CTRL(phy_lane_0), 0x3); + else + dsi_phy_write(lane_base + + REG_DSI_7nm_PHY_LN_LPRX_CTRL(phy_lane_0), 0); +} + +static void dsi_phy_hw_v4_0_lane_settings(struct msm_dsi_phy *phy) +{ + int i; + const u8 tx_dctrl_0[] = { 0x00, 0x00, 0x00, 0x04, 0x01 }; + const u8 tx_dctrl_1[] = { 0x40, 0x40, 0x40, 0x46, 0x41 }; + const u8 *tx_dctrl = tx_dctrl_0; + void __iomem *lane_base = phy->lane_base; + + if (phy->cfg->type == MSM_DSI_PHY_7NM_V4_1) + tx_dctrl = tx_dctrl_1; + + /* Strength ctrl settings */ + for (i = 0; i < 5; i++) { + /* + * Disable LPRX and CDRX for all lanes. And later on, it will + * be only enabled for the physical data lane corresponding + * to the logical data lane 0 + */ + dsi_phy_write(lane_base + REG_DSI_7nm_PHY_LN_LPRX_CTRL(i), 0); + dsi_phy_write(lane_base + REG_DSI_7nm_PHY_LN_PIN_SWAP(i), 0x0); + } + + dsi_phy_hw_v4_0_config_lpcdrx(phy, true); + + /* other settings */ + for (i = 0; i < 5; i++) { + dsi_phy_write(lane_base + REG_DSI_7nm_PHY_LN_CFG0(i), 0x0); + dsi_phy_write(lane_base + REG_DSI_7nm_PHY_LN_CFG1(i), 0x0); + dsi_phy_write(lane_base + REG_DSI_7nm_PHY_LN_CFG2(i), i == 4 ? 0x8a : 0xa); + dsi_phy_write(lane_base + REG_DSI_7nm_PHY_LN_TX_DCTRL(i), tx_dctrl[i]); + } +} + +static int dsi_7nm_phy_enable(struct msm_dsi_phy *phy, int src_pll_id, + struct msm_dsi_phy_clk_request *clk_req) +{ + int ret; + u32 status; + u32 const delay_us = 5; + u32 const timeout_us = 1000; + struct msm_dsi_dphy_timing *timing = &phy->timing; + void __iomem *base = phy->base; + bool less_than_1500_mhz; + u32 vreg_ctrl_0, glbl_str_swi_cal_sel_ctrl, glbl_hstx_str_ctrl_0; + u32 glbl_rescode_top_ctrl, glbl_rescode_bot_ctrl; + u32 data; + + DBG(""); + + if (msm_dsi_dphy_timing_calc_v4(timing, clk_req)) { + DRM_DEV_ERROR(&phy->pdev->dev, + "%s: D-PHY timing calculation failed\n", __func__); + return -EINVAL; + } + + if (dsi_phy_hw_v4_0_is_pll_on(phy)) + pr_warn("PLL turned on before configuring PHY\n"); + + /* wait for REFGEN READY */ + ret = readl_poll_timeout_atomic(base + REG_DSI_7nm_PHY_CMN_PHY_STATUS, + status, (status & BIT(0)), + delay_us, timeout_us); + if (ret) { + pr_err("Ref gen not ready. Aborting\n"); + return -EINVAL; + } + + /* TODO: CPHY enable path (this is for DPHY only) */ + + /* Alter PHY configurations if data rate less than 1.5GHZ*/ + less_than_1500_mhz = (clk_req->bitclk_rate <= 1500000000); + + if (phy->cfg->type == MSM_DSI_PHY_7NM_V4_1) { + vreg_ctrl_0 = less_than_1500_mhz ? 0x53 : 0x52; + glbl_rescode_top_ctrl = less_than_1500_mhz ? 0x3d : 0x00; + glbl_rescode_bot_ctrl = less_than_1500_mhz ? 0x39 : 0x3c; + glbl_str_swi_cal_sel_ctrl = 0x00; + glbl_hstx_str_ctrl_0 = 0x88; + } else { + vreg_ctrl_0 = less_than_1500_mhz ? 0x5B : 0x59; + glbl_str_swi_cal_sel_ctrl = less_than_1500_mhz ? 0x03 : 0x00; + glbl_hstx_str_ctrl_0 = less_than_1500_mhz ? 0x66 : 0x88; + glbl_rescode_top_ctrl = 0x03; + glbl_rescode_bot_ctrl = 0x3c; + } + + /* de-assert digital and pll power down */ + data = BIT(6) | BIT(5); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_CTRL_0, data); + + /* Assert PLL core reset */ + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_PLL_CNTRL, 0x00); + + /* turn off resync FIFO */ + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_RBUF_CTRL, 0x00); + + /* program CMN_CTRL_4 for minor_ver 2 chipsets*/ + data = dsi_phy_read(base + REG_DSI_7nm_PHY_CMN_REVISION_ID0); + data = data & (0xf0); + if (data == 0x20) + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_CTRL_4, 0x04); + + /* Configure PHY lane swap (TODO: we need to calculate this) */ + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_LANE_CFG0, 0x21); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_LANE_CFG1, 0x84); + + /* Enable LDO */ + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_VREG_CTRL_0, vreg_ctrl_0); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_VREG_CTRL_1, 0x5c); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_CTRL_3, 0x00); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_GLBL_STR_SWI_CAL_SEL_CTRL, + glbl_str_swi_cal_sel_ctrl); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_GLBL_HSTX_STR_CTRL_0, + glbl_hstx_str_ctrl_0); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_GLBL_PEMPH_CTRL_0, 0x00); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_GLBL_RESCODE_OFFSET_TOP_CTRL, + glbl_rescode_top_ctrl); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_GLBL_RESCODE_OFFSET_BOT_CTRL, + glbl_rescode_bot_ctrl); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_GLBL_LPTX_STR_CTRL, 0x55); + + /* Remove power down from all blocks */ + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_CTRL_0, 0x7f); + + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_LANE_CTRL0, 0x1f); + + /* Select full-rate mode */ + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_CTRL_2, 0x40); + + ret = msm_dsi_pll_set_usecase(phy->pll, phy->usecase); + if (ret) { + DRM_DEV_ERROR(&phy->pdev->dev, "%s: set pll usecase failed, %d\n", + __func__, ret); + return ret; + } + + /* DSI PHY timings */ + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_0, 0x00); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_1, timing->clk_zero); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_2, timing->clk_prepare); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_3, timing->clk_trail); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_4, timing->hs_exit); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_5, timing->hs_zero); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_6, timing->hs_prepare); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_7, timing->hs_trail); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_8, timing->hs_rqst); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_9, 0x02); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_10, 0x04); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_11, 0x00); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_12, + timing->shared_timings.clk_pre); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_13, + timing->shared_timings.clk_post); + + /* DSI lane settings */ + dsi_phy_hw_v4_0_lane_settings(phy); + + DBG("DSI%d PHY enabled", phy->id); + + return 0; +} + +static void dsi_7nm_phy_disable(struct msm_dsi_phy *phy) +{ + /* TODO */ +} + +static int dsi_7nm_phy_init(struct msm_dsi_phy *phy) +{ + struct platform_device *pdev = phy->pdev; + + phy->lane_base = msm_ioremap(pdev, "dsi_phy_lane", + "DSI_PHY_LANE"); + if (IS_ERR(phy->lane_base)) { + DRM_DEV_ERROR(&pdev->dev, "%s: failed to map phy lane base\n", + __func__); + return -ENOMEM; + } + + return 0; +} + +const struct msm_dsi_phy_cfg dsi_phy_7nm_cfgs = { + .type = MSM_DSI_PHY_7NM_V4_1, + .src_pll_truthtable = { {false, false}, {true, false} }, + .reg_cfg = { + .num = 1, + .regs = { + {"vdds", 36000, 32}, + }, + }, + .ops = { + .enable = dsi_7nm_phy_enable, + .disable = dsi_7nm_phy_disable, + .init = dsi_7nm_phy_init, + }, + .io_start = { 0xae94400, 0xae96400 }, + .num_dsi_phy = 2, +}; + +const struct msm_dsi_phy_cfg dsi_phy_7nm_8150_cfgs = { + .type = MSM_DSI_PHY_7NM, + .src_pll_truthtable = { {false, false}, {true, false} }, + .reg_cfg = { + .num = 1, + .regs = { + {"vdds", 36000, 32}, + }, + }, + .ops = { + .enable = dsi_7nm_phy_enable, + .disable = dsi_7nm_phy_disable, + .init = dsi_7nm_phy_init, + }, + .io_start = { 0xae94400, 0xae96400 }, + .num_dsi_phy = 2, +}; diff --git a/drivers/gpu/drm/msm/dsi/pll/dsi_pll.c b/drivers/gpu/drm/msm/dsi/pll/dsi_pll.c new file mode 100644 index 000000000..3dc65877f --- /dev/null +++ b/drivers/gpu/drm/msm/dsi/pll/dsi_pll.c @@ -0,0 +1,184 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2012-2015, The Linux Foundation. All rights reserved. + */ + +#include "dsi_pll.h" + +static int dsi_pll_enable(struct msm_dsi_pll *pll) +{ + int i, ret = 0; + + /* + * Certain PLLs do not allow VCO rate update when it is on. + * Keep track of their status to turn on/off after set rate success. + */ + if (unlikely(pll->pll_on)) + return 0; + + /* Try all enable sequences until one succeeds */ + for (i = 0; i < pll->en_seq_cnt; i++) { + ret = pll->enable_seqs[i](pll); + DBG("DSI PLL %s after sequence #%d", + ret ? "unlocked" : "locked", i + 1); + if (!ret) + break; + } + + if (ret) { + DRM_ERROR("DSI PLL failed to lock\n"); + return ret; + } + + pll->pll_on = true; + + return 0; +} + +static void dsi_pll_disable(struct msm_dsi_pll *pll) +{ + if (unlikely(!pll->pll_on)) + return; + + pll->disable_seq(pll); + + pll->pll_on = false; +} + +/* + * DSI PLL Helper functions + */ +long msm_dsi_pll_helper_clk_round_rate(struct clk_hw *hw, + unsigned long rate, unsigned long *parent_rate) +{ + struct msm_dsi_pll *pll = hw_clk_to_pll(hw); + + if (rate < pll->min_rate) + return pll->min_rate; + else if (rate > pll->max_rate) + return pll->max_rate; + else + return rate; +} + +int msm_dsi_pll_helper_clk_prepare(struct clk_hw *hw) +{ + struct msm_dsi_pll *pll = hw_clk_to_pll(hw); + + return dsi_pll_enable(pll); +} + +void msm_dsi_pll_helper_clk_unprepare(struct clk_hw *hw) +{ + struct msm_dsi_pll *pll = hw_clk_to_pll(hw); + + dsi_pll_disable(pll); +} + +void msm_dsi_pll_helper_unregister_clks(struct platform_device *pdev, + struct clk **clks, u32 num_clks) +{ + of_clk_del_provider(pdev->dev.of_node); + + if (!num_clks || !clks) + return; + + do { + clk_unregister(clks[--num_clks]); + clks[num_clks] = NULL; + } while (num_clks); +} + +/* + * DSI PLL API + */ +int msm_dsi_pll_get_clk_provider(struct msm_dsi_pll *pll, + struct clk **byte_clk_provider, struct clk **pixel_clk_provider) +{ + if (pll->get_provider) + return pll->get_provider(pll, + byte_clk_provider, + pixel_clk_provider); + + return -EINVAL; +} + +void msm_dsi_pll_destroy(struct msm_dsi_pll *pll) +{ + if (pll->destroy) + pll->destroy(pll); +} + +void msm_dsi_pll_save_state(struct msm_dsi_pll *pll) +{ + if (pll->save_state) { + pll->save_state(pll); + pll->state_saved = true; + } +} + +int msm_dsi_pll_restore_state(struct msm_dsi_pll *pll) +{ + int ret; + + if (pll->restore_state && pll->state_saved) { + ret = pll->restore_state(pll); + if (ret) + return ret; + + pll->state_saved = false; + } + + return 0; +} + +int msm_dsi_pll_set_usecase(struct msm_dsi_pll *pll, + enum msm_dsi_phy_usecase uc) +{ + if (pll->set_usecase) + return pll->set_usecase(pll, uc); + + return 0; +} + +struct msm_dsi_pll *msm_dsi_pll_init(struct platform_device *pdev, + enum msm_dsi_phy_type type, int id) +{ + struct device *dev = &pdev->dev; + struct msm_dsi_pll *pll; + + switch (type) { + case MSM_DSI_PHY_28NM_HPM: + case MSM_DSI_PHY_28NM_LP: + pll = msm_dsi_pll_28nm_init(pdev, type, id); + break; + case MSM_DSI_PHY_28NM_8960: + pll = msm_dsi_pll_28nm_8960_init(pdev, id); + break; + case MSM_DSI_PHY_14NM: + pll = msm_dsi_pll_14nm_init(pdev, id); + break; + case MSM_DSI_PHY_10NM: + pll = msm_dsi_pll_10nm_init(pdev, id); + break; + case MSM_DSI_PHY_7NM: + case MSM_DSI_PHY_7NM_V4_1: + pll = msm_dsi_pll_7nm_init(pdev, type, id); + break; + default: + pll = ERR_PTR(-ENXIO); + break; + } + + if (IS_ERR(pll)) { + DRM_DEV_ERROR(dev, "%s: failed to init DSI PLL\n", __func__); + return pll; + } + + pll->type = type; + + DBG("DSI:%d PLL registered", id); + + return pll; +} + diff --git a/drivers/gpu/drm/msm/dsi/pll/dsi_pll.h b/drivers/gpu/drm/msm/dsi/pll/dsi_pll.h new file mode 100644 index 000000000..bbecb1de5 --- /dev/null +++ b/drivers/gpu/drm/msm/dsi/pll/dsi_pll.h @@ -0,0 +1,132 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2012-2015, The Linux Foundation. All rights reserved. + */ + +#ifndef __DSI_PLL_H__ +#define __DSI_PLL_H__ + +#include <linux/clk-provider.h> +#include <linux/delay.h> + +#include "dsi.h" + +#define NUM_DSI_CLOCKS_MAX 6 +#define MAX_DSI_PLL_EN_SEQS 10 + +struct msm_dsi_pll { + enum msm_dsi_phy_type type; + + struct clk_hw clk_hw; + bool pll_on; + bool state_saved; + + unsigned long min_rate; + unsigned long max_rate; + u32 en_seq_cnt; + + int (*enable_seqs[MAX_DSI_PLL_EN_SEQS])(struct msm_dsi_pll *pll); + void (*disable_seq)(struct msm_dsi_pll *pll); + int (*get_provider)(struct msm_dsi_pll *pll, + struct clk **byte_clk_provider, + struct clk **pixel_clk_provider); + void (*destroy)(struct msm_dsi_pll *pll); + void (*save_state)(struct msm_dsi_pll *pll); + int (*restore_state)(struct msm_dsi_pll *pll); + int (*set_usecase)(struct msm_dsi_pll *pll, + enum msm_dsi_phy_usecase uc); +}; + +#define hw_clk_to_pll(x) container_of(x, struct msm_dsi_pll, clk_hw) + +static inline void pll_write(void __iomem *reg, u32 data) +{ + msm_writel(data, reg); +} + +static inline u32 pll_read(const void __iomem *reg) +{ + return msm_readl(reg); +} + +static inline void pll_write_udelay(void __iomem *reg, u32 data, u32 delay_us) +{ + pll_write(reg, data); + udelay(delay_us); +} + +static inline void pll_write_ndelay(void __iomem *reg, u32 data, u32 delay_ns) +{ + pll_write((reg), data); + ndelay(delay_ns); +} + +/* + * DSI PLL Helper functions + */ + +/* clock callbacks */ +long msm_dsi_pll_helper_clk_round_rate(struct clk_hw *hw, + unsigned long rate, unsigned long *parent_rate); +int msm_dsi_pll_helper_clk_prepare(struct clk_hw *hw); +void msm_dsi_pll_helper_clk_unprepare(struct clk_hw *hw); +/* misc */ +void msm_dsi_pll_helper_unregister_clks(struct platform_device *pdev, + struct clk **clks, u32 num_clks); + +/* + * Initialization for Each PLL Type + */ +#ifdef CONFIG_DRM_MSM_DSI_28NM_PHY +struct msm_dsi_pll *msm_dsi_pll_28nm_init(struct platform_device *pdev, + enum msm_dsi_phy_type type, int id); +#else +static inline struct msm_dsi_pll *msm_dsi_pll_28nm_init( + struct platform_device *pdev, enum msm_dsi_phy_type type, int id) +{ + return ERR_PTR(-ENODEV); +} +#endif +#ifdef CONFIG_DRM_MSM_DSI_28NM_8960_PHY +struct msm_dsi_pll *msm_dsi_pll_28nm_8960_init(struct platform_device *pdev, + int id); +#else +static inline struct msm_dsi_pll *msm_dsi_pll_28nm_8960_init( + struct platform_device *pdev, int id) +{ + return ERR_PTR(-ENODEV); +} +#endif + +#ifdef CONFIG_DRM_MSM_DSI_14NM_PHY +struct msm_dsi_pll *msm_dsi_pll_14nm_init(struct platform_device *pdev, int id); +#else +static inline struct msm_dsi_pll * +msm_dsi_pll_14nm_init(struct platform_device *pdev, int id) +{ + return ERR_PTR(-ENODEV); +} +#endif +#ifdef CONFIG_DRM_MSM_DSI_10NM_PHY +struct msm_dsi_pll *msm_dsi_pll_10nm_init(struct platform_device *pdev, int id); +#else +static inline struct msm_dsi_pll * +msm_dsi_pll_10nm_init(struct platform_device *pdev, int id) +{ + return ERR_PTR(-ENODEV); +} +#endif +#ifdef CONFIG_DRM_MSM_DSI_7NM_PHY +struct msm_dsi_pll *msm_dsi_pll_7nm_init(struct platform_device *pdev, + enum msm_dsi_phy_type type, int id); +#else +static inline struct msm_dsi_pll * +msm_dsi_pll_7nm_init(struct platform_device *pdev, + enum msm_dsi_phy_type type, int id) +{ + return ERR_PTR(-ENODEV); +} +#endif + +#endif /* __DSI_PLL_H__ */ + diff --git a/drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c new file mode 100644 index 000000000..e4e9bf04b --- /dev/null +++ b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c @@ -0,0 +1,880 @@ +/* + * SPDX-License-Identifier: GPL-2.0 + * Copyright (c) 2018, The Linux Foundation + */ + +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/iopoll.h> + +#include "dsi_pll.h" +#include "dsi.xml.h" + +/* + * DSI PLL 10nm - clock diagram (eg: DSI0): + * + * dsi0_pll_out_div_clk dsi0_pll_bit_clk + * | | + * | | + * +---------+ | +----------+ | +----+ + * dsi0vco_clk ---| out_div |--o--| divl_3_0 |--o--| /8 |-- dsi0_phy_pll_out_byteclk + * +---------+ | +----------+ | +----+ + * | | + * | | dsi0_pll_by_2_bit_clk + * | | | + * | | +----+ | |\ dsi0_pclk_mux + * | |--| /2 |--o--| \ | + * | | +----+ | \ | +---------+ + * | --------------| |--o--| div_7_4 |-- dsi0_phy_pll_out_dsiclk + * |------------------------------| / +---------+ + * | +-----+ | / + * -----------| /4? |--o----------|/ + * +-----+ | | + * | |dsiclk_sel + * | + * dsi0_pll_post_out_div_clk + */ + +#define DSI_BYTE_PLL_CLK 0 +#define DSI_PIXEL_PLL_CLK 1 +#define NUM_PROVIDED_CLKS 2 + +#define VCO_REF_CLK_RATE 19200000 + +struct dsi_pll_regs { + u32 pll_prop_gain_rate; + u32 pll_lockdet_rate; + u32 decimal_div_start; + u32 frac_div_start_low; + u32 frac_div_start_mid; + u32 frac_div_start_high; + u32 pll_clock_inverters; + u32 ssc_stepsize_low; + u32 ssc_stepsize_high; + u32 ssc_div_per_low; + u32 ssc_div_per_high; + u32 ssc_adjper_low; + u32 ssc_adjper_high; + u32 ssc_control; +}; + +struct dsi_pll_config { + u32 ref_freq; + bool div_override; + u32 output_div; + bool ignore_frac; + bool disable_prescaler; + bool enable_ssc; + bool ssc_center; + u32 dec_bits; + u32 frac_bits; + u32 lock_timer; + u32 ssc_freq; + u32 ssc_offset; + u32 ssc_adj_per; + u32 thresh_cycles; + u32 refclk_cycles; +}; + +struct pll_10nm_cached_state { + unsigned long vco_rate; + u8 bit_clk_div; + u8 pix_clk_div; + u8 pll_out_div; + u8 pll_mux; +}; + +struct dsi_pll_10nm { + struct msm_dsi_pll base; + + int id; + struct platform_device *pdev; + + void __iomem *phy_cmn_mmio; + void __iomem *mmio; + + u64 vco_ref_clk_rate; + u64 vco_current_rate; + + /* protects REG_DSI_10nm_PHY_CMN_CLK_CFG0 register */ + spinlock_t postdiv_lock; + + int vco_delay; + struct dsi_pll_config pll_configuration; + struct dsi_pll_regs reg_setup; + + /* private clocks: */ + struct clk_hw *out_div_clk_hw; + struct clk_hw *bit_clk_hw; + struct clk_hw *byte_clk_hw; + struct clk_hw *by_2_bit_clk_hw; + struct clk_hw *post_out_div_clk_hw; + struct clk_hw *pclk_mux_hw; + struct clk_hw *out_dsiclk_hw; + + /* clock-provider: */ + struct clk_hw_onecell_data *hw_data; + + struct pll_10nm_cached_state cached_state; + + enum msm_dsi_phy_usecase uc; + struct dsi_pll_10nm *slave; +}; + +#define to_pll_10nm(x) container_of(x, struct dsi_pll_10nm, base) + +/* + * Global list of private DSI PLL struct pointers. We need this for Dual DSI + * mode, where the master PLL's clk_ops needs access the slave's private data + */ +static struct dsi_pll_10nm *pll_10nm_list[DSI_MAX]; + +static void dsi_pll_setup_config(struct dsi_pll_10nm *pll) +{ + struct dsi_pll_config *config = &pll->pll_configuration; + + config->ref_freq = pll->vco_ref_clk_rate; + config->output_div = 1; + config->dec_bits = 8; + config->frac_bits = 18; + config->lock_timer = 64; + config->ssc_freq = 31500; + config->ssc_offset = 5000; + config->ssc_adj_per = 2; + config->thresh_cycles = 32; + config->refclk_cycles = 256; + + config->div_override = false; + config->ignore_frac = false; + config->disable_prescaler = false; + + config->enable_ssc = false; + config->ssc_center = 0; +} + +static void dsi_pll_calc_dec_frac(struct dsi_pll_10nm *pll) +{ + struct dsi_pll_config *config = &pll->pll_configuration; + struct dsi_pll_regs *regs = &pll->reg_setup; + u64 fref = pll->vco_ref_clk_rate; + u64 pll_freq; + u64 divider; + u64 dec, dec_multiple; + u32 frac; + u64 multiplier; + + pll_freq = pll->vco_current_rate; + + if (config->disable_prescaler) + divider = fref; + else + divider = fref * 2; + + multiplier = 1 << config->frac_bits; + dec_multiple = div_u64(pll_freq * multiplier, divider); + div_u64_rem(dec_multiple, multiplier, &frac); + + dec = div_u64(dec_multiple, multiplier); + + if (pll_freq <= 1900000000UL) + regs->pll_prop_gain_rate = 8; + else if (pll_freq <= 3000000000UL) + regs->pll_prop_gain_rate = 10; + else + regs->pll_prop_gain_rate = 12; + if (pll_freq < 1100000000UL) + regs->pll_clock_inverters = 8; + else + regs->pll_clock_inverters = 0; + + regs->pll_lockdet_rate = config->lock_timer; + regs->decimal_div_start = dec; + regs->frac_div_start_low = (frac & 0xff); + regs->frac_div_start_mid = (frac & 0xff00) >> 8; + regs->frac_div_start_high = (frac & 0x30000) >> 16; +} + +#define SSC_CENTER BIT(0) +#define SSC_EN BIT(1) + +static void dsi_pll_calc_ssc(struct dsi_pll_10nm *pll) +{ + struct dsi_pll_config *config = &pll->pll_configuration; + struct dsi_pll_regs *regs = &pll->reg_setup; + u32 ssc_per; + u32 ssc_mod; + u64 ssc_step_size; + u64 frac; + + if (!config->enable_ssc) { + DBG("SSC not enabled\n"); + return; + } + + ssc_per = DIV_ROUND_CLOSEST(config->ref_freq, config->ssc_freq) / 2 - 1; + ssc_mod = (ssc_per + 1) % (config->ssc_adj_per + 1); + ssc_per -= ssc_mod; + + frac = regs->frac_div_start_low | + (regs->frac_div_start_mid << 8) | + (regs->frac_div_start_high << 16); + ssc_step_size = regs->decimal_div_start; + ssc_step_size *= (1 << config->frac_bits); + ssc_step_size += frac; + ssc_step_size *= config->ssc_offset; + ssc_step_size *= (config->ssc_adj_per + 1); + ssc_step_size = div_u64(ssc_step_size, (ssc_per + 1)); + ssc_step_size = DIV_ROUND_CLOSEST_ULL(ssc_step_size, 1000000); + + regs->ssc_div_per_low = ssc_per & 0xFF; + regs->ssc_div_per_high = (ssc_per & 0xFF00) >> 8; + regs->ssc_stepsize_low = (u32)(ssc_step_size & 0xFF); + regs->ssc_stepsize_high = (u32)((ssc_step_size & 0xFF00) >> 8); + regs->ssc_adjper_low = config->ssc_adj_per & 0xFF; + regs->ssc_adjper_high = (config->ssc_adj_per & 0xFF00) >> 8; + + regs->ssc_control = config->ssc_center ? SSC_CENTER : 0; + + pr_debug("SCC: Dec:%d, frac:%llu, frac_bits:%d\n", + regs->decimal_div_start, frac, config->frac_bits); + pr_debug("SSC: div_per:0x%X, stepsize:0x%X, adjper:0x%X\n", + ssc_per, (u32)ssc_step_size, config->ssc_adj_per); +} + +static void dsi_pll_ssc_commit(struct dsi_pll_10nm *pll) +{ + void __iomem *base = pll->mmio; + struct dsi_pll_regs *regs = &pll->reg_setup; + + if (pll->pll_configuration.enable_ssc) { + pr_debug("SSC is enabled\n"); + + pll_write(base + REG_DSI_10nm_PHY_PLL_SSC_STEPSIZE_LOW_1, + regs->ssc_stepsize_low); + pll_write(base + REG_DSI_10nm_PHY_PLL_SSC_STEPSIZE_HIGH_1, + regs->ssc_stepsize_high); + pll_write(base + REG_DSI_10nm_PHY_PLL_SSC_DIV_PER_LOW_1, + regs->ssc_div_per_low); + pll_write(base + REG_DSI_10nm_PHY_PLL_SSC_DIV_PER_HIGH_1, + regs->ssc_div_per_high); + pll_write(base + REG_DSI_10nm_PHY_PLL_SSC_DIV_ADJPER_LOW_1, + regs->ssc_adjper_low); + pll_write(base + REG_DSI_10nm_PHY_PLL_SSC_DIV_ADJPER_HIGH_1, + regs->ssc_adjper_high); + pll_write(base + REG_DSI_10nm_PHY_PLL_SSC_CONTROL, + SSC_EN | regs->ssc_control); + } +} + +static void dsi_pll_config_hzindep_reg(struct dsi_pll_10nm *pll) +{ + void __iomem *base = pll->mmio; + + pll_write(base + REG_DSI_10nm_PHY_PLL_ANALOG_CONTROLS_ONE, 0x80); + pll_write(base + REG_DSI_10nm_PHY_PLL_ANALOG_CONTROLS_TWO, 0x03); + pll_write(base + REG_DSI_10nm_PHY_PLL_ANALOG_CONTROLS_THREE, 0x00); + pll_write(base + REG_DSI_10nm_PHY_PLL_DSM_DIVIDER, 0x00); + pll_write(base + REG_DSI_10nm_PHY_PLL_FEEDBACK_DIVIDER, 0x4e); + pll_write(base + REG_DSI_10nm_PHY_PLL_CALIBRATION_SETTINGS, 0x40); + pll_write(base + REG_DSI_10nm_PHY_PLL_BAND_SEL_CAL_SETTINGS_THREE, + 0xba); + pll_write(base + REG_DSI_10nm_PHY_PLL_FREQ_DETECT_SETTINGS_ONE, 0x0c); + pll_write(base + REG_DSI_10nm_PHY_PLL_OUTDIV, 0x00); + pll_write(base + REG_DSI_10nm_PHY_PLL_CORE_OVERRIDE, 0x00); + pll_write(base + REG_DSI_10nm_PHY_PLL_PLL_DIGITAL_TIMERS_TWO, 0x08); + pll_write(base + REG_DSI_10nm_PHY_PLL_PLL_PROP_GAIN_RATE_1, 0x08); + pll_write(base + REG_DSI_10nm_PHY_PLL_PLL_BAND_SET_RATE_1, 0xc0); + pll_write(base + REG_DSI_10nm_PHY_PLL_PLL_INT_GAIN_IFILT_BAND_1, 0xfa); + pll_write(base + REG_DSI_10nm_PHY_PLL_PLL_FL_INT_GAIN_PFILT_BAND_1, + 0x4c); + pll_write(base + REG_DSI_10nm_PHY_PLL_PLL_LOCK_OVERRIDE, 0x80); + pll_write(base + REG_DSI_10nm_PHY_PLL_PFILT, 0x29); + pll_write(base + REG_DSI_10nm_PHY_PLL_IFILT, 0x3f); +} + +static void dsi_pll_commit(struct dsi_pll_10nm *pll) +{ + void __iomem *base = pll->mmio; + struct dsi_pll_regs *reg = &pll->reg_setup; + + pll_write(base + REG_DSI_10nm_PHY_PLL_CORE_INPUT_OVERRIDE, 0x12); + pll_write(base + REG_DSI_10nm_PHY_PLL_DECIMAL_DIV_START_1, + reg->decimal_div_start); + pll_write(base + REG_DSI_10nm_PHY_PLL_FRAC_DIV_START_LOW_1, + reg->frac_div_start_low); + pll_write(base + REG_DSI_10nm_PHY_PLL_FRAC_DIV_START_MID_1, + reg->frac_div_start_mid); + pll_write(base + REG_DSI_10nm_PHY_PLL_FRAC_DIV_START_HIGH_1, + reg->frac_div_start_high); + pll_write(base + REG_DSI_10nm_PHY_PLL_PLL_LOCKDET_RATE_1, 0x40); + pll_write(base + REG_DSI_10nm_PHY_PLL_PLL_LOCK_DELAY, 0x06); + pll_write(base + REG_DSI_10nm_PHY_PLL_CMODE, 0x10); + pll_write(base + REG_DSI_10nm_PHY_PLL_CLOCK_INVERTERS, + reg->pll_clock_inverters); +} + +static int dsi_pll_10nm_vco_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct msm_dsi_pll *pll = hw_clk_to_pll(hw); + struct dsi_pll_10nm *pll_10nm = to_pll_10nm(pll); + + DBG("DSI PLL%d rate=%lu, parent's=%lu", pll_10nm->id, rate, + parent_rate); + + pll_10nm->vco_current_rate = rate; + pll_10nm->vco_ref_clk_rate = VCO_REF_CLK_RATE; + + dsi_pll_setup_config(pll_10nm); + + dsi_pll_calc_dec_frac(pll_10nm); + + dsi_pll_calc_ssc(pll_10nm); + + dsi_pll_commit(pll_10nm); + + dsi_pll_config_hzindep_reg(pll_10nm); + + dsi_pll_ssc_commit(pll_10nm); + + /* flush, ensure all register writes are done*/ + wmb(); + + return 0; +} + +static int dsi_pll_10nm_lock_status(struct dsi_pll_10nm *pll) +{ + int rc; + u32 status = 0; + u32 const delay_us = 100; + u32 const timeout_us = 5000; + + rc = readl_poll_timeout_atomic(pll->mmio + + REG_DSI_10nm_PHY_PLL_COMMON_STATUS_ONE, + status, + ((status & BIT(0)) > 0), + delay_us, + timeout_us); + if (rc) + pr_err("DSI PLL(%d) lock failed, status=0x%08x\n", + pll->id, status); + + return rc; +} + +static void dsi_pll_disable_pll_bias(struct dsi_pll_10nm *pll) +{ + u32 data = pll_read(pll->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_CTRL_0); + + pll_write(pll->mmio + REG_DSI_10nm_PHY_PLL_SYSTEM_MUXES, 0); + pll_write(pll->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_CTRL_0, + data & ~BIT(5)); + ndelay(250); +} + +static void dsi_pll_enable_pll_bias(struct dsi_pll_10nm *pll) +{ + u32 data = pll_read(pll->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_CTRL_0); + + pll_write(pll->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_CTRL_0, + data | BIT(5)); + pll_write(pll->mmio + REG_DSI_10nm_PHY_PLL_SYSTEM_MUXES, 0xc0); + ndelay(250); +} + +static void dsi_pll_disable_global_clk(struct dsi_pll_10nm *pll) +{ + u32 data; + + data = pll_read(pll->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_CLK_CFG1); + pll_write(pll->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_CLK_CFG1, + data & ~BIT(5)); +} + +static void dsi_pll_enable_global_clk(struct dsi_pll_10nm *pll) +{ + u32 data; + + data = pll_read(pll->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_CLK_CFG1); + pll_write(pll->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_CLK_CFG1, + data | BIT(5)); +} + +static int dsi_pll_10nm_vco_prepare(struct clk_hw *hw) +{ + struct msm_dsi_pll *pll = hw_clk_to_pll(hw); + struct dsi_pll_10nm *pll_10nm = to_pll_10nm(pll); + int rc; + + dsi_pll_enable_pll_bias(pll_10nm); + if (pll_10nm->slave) + dsi_pll_enable_pll_bias(pll_10nm->slave); + + rc = dsi_pll_10nm_vco_set_rate(hw,pll_10nm->vco_current_rate, 0); + if (rc) { + pr_err("vco_set_rate failed, rc=%d\n", rc); + return rc; + } + + /* Start PLL */ + pll_write(pll_10nm->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_PLL_CNTRL, + 0x01); + + /* + * ensure all PLL configurations are written prior to checking + * for PLL lock. + */ + wmb(); + + /* Check for PLL lock */ + rc = dsi_pll_10nm_lock_status(pll_10nm); + if (rc) { + pr_err("PLL(%d) lock failed\n", pll_10nm->id); + goto error; + } + + pll->pll_on = true; + + dsi_pll_enable_global_clk(pll_10nm); + if (pll_10nm->slave) + dsi_pll_enable_global_clk(pll_10nm->slave); + + pll_write(pll_10nm->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_RBUF_CTRL, + 0x01); + if (pll_10nm->slave) + pll_write(pll_10nm->slave->phy_cmn_mmio + + REG_DSI_10nm_PHY_CMN_RBUF_CTRL, 0x01); + +error: + return rc; +} + +static void dsi_pll_disable_sub(struct dsi_pll_10nm *pll) +{ + pll_write(pll->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_RBUF_CTRL, 0); + dsi_pll_disable_pll_bias(pll); +} + +static void dsi_pll_10nm_vco_unprepare(struct clk_hw *hw) +{ + struct msm_dsi_pll *pll = hw_clk_to_pll(hw); + struct dsi_pll_10nm *pll_10nm = to_pll_10nm(pll); + + /* + * To avoid any stray glitches while abruptly powering down the PLL + * make sure to gate the clock using the clock enable bit before + * powering down the PLL + */ + dsi_pll_disable_global_clk(pll_10nm); + pll_write(pll_10nm->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_PLL_CNTRL, 0); + dsi_pll_disable_sub(pll_10nm); + if (pll_10nm->slave) { + dsi_pll_disable_global_clk(pll_10nm->slave); + dsi_pll_disable_sub(pll_10nm->slave); + } + /* flush, ensure all register writes are done */ + wmb(); + pll->pll_on = false; +} + +static unsigned long dsi_pll_10nm_vco_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct msm_dsi_pll *pll = hw_clk_to_pll(hw); + struct dsi_pll_10nm *pll_10nm = to_pll_10nm(pll); + void __iomem *base = pll_10nm->mmio; + u64 ref_clk = pll_10nm->vco_ref_clk_rate; + u64 vco_rate = 0x0; + u64 multiplier; + u32 frac; + u32 dec; + u64 pll_freq, tmp64; + + dec = pll_read(base + REG_DSI_10nm_PHY_PLL_DECIMAL_DIV_START_1); + dec &= 0xff; + + frac = pll_read(base + REG_DSI_10nm_PHY_PLL_FRAC_DIV_START_LOW_1); + frac |= ((pll_read(base + REG_DSI_10nm_PHY_PLL_FRAC_DIV_START_MID_1) & + 0xff) << 8); + frac |= ((pll_read(base + REG_DSI_10nm_PHY_PLL_FRAC_DIV_START_HIGH_1) & + 0x3) << 16); + + /* + * TODO: + * 1. Assumes prescaler is disabled + * 2. Multiplier is 2^18. it should be 2^(num_of_frac_bits) + */ + multiplier = 1 << 18; + pll_freq = dec * (ref_clk * 2); + tmp64 = (ref_clk * 2 * frac); + pll_freq += div_u64(tmp64, multiplier); + + vco_rate = pll_freq; + + DBG("DSI PLL%d returning vco rate = %lu, dec = %x, frac = %x", + pll_10nm->id, (unsigned long)vco_rate, dec, frac); + + return (unsigned long)vco_rate; +} + +static const struct clk_ops clk_ops_dsi_pll_10nm_vco = { + .round_rate = msm_dsi_pll_helper_clk_round_rate, + .set_rate = dsi_pll_10nm_vco_set_rate, + .recalc_rate = dsi_pll_10nm_vco_recalc_rate, + .prepare = dsi_pll_10nm_vco_prepare, + .unprepare = dsi_pll_10nm_vco_unprepare, +}; + +/* + * PLL Callbacks + */ + +static void dsi_pll_10nm_save_state(struct msm_dsi_pll *pll) +{ + struct dsi_pll_10nm *pll_10nm = to_pll_10nm(pll); + struct pll_10nm_cached_state *cached = &pll_10nm->cached_state; + void __iomem *phy_base = pll_10nm->phy_cmn_mmio; + u32 cmn_clk_cfg0, cmn_clk_cfg1; + + cached->pll_out_div = pll_read(pll_10nm->mmio + + REG_DSI_10nm_PHY_PLL_PLL_OUTDIV_RATE); + cached->pll_out_div &= 0x3; + + cmn_clk_cfg0 = pll_read(phy_base + REG_DSI_10nm_PHY_CMN_CLK_CFG0); + cached->bit_clk_div = cmn_clk_cfg0 & 0xf; + cached->pix_clk_div = (cmn_clk_cfg0 & 0xf0) >> 4; + + cmn_clk_cfg1 = pll_read(phy_base + REG_DSI_10nm_PHY_CMN_CLK_CFG1); + cached->pll_mux = cmn_clk_cfg1 & 0x3; + + DBG("DSI PLL%d outdiv %x bit_clk_div %x pix_clk_div %x pll_mux %x", + pll_10nm->id, cached->pll_out_div, cached->bit_clk_div, + cached->pix_clk_div, cached->pll_mux); +} + +static int dsi_pll_10nm_restore_state(struct msm_dsi_pll *pll) +{ + struct dsi_pll_10nm *pll_10nm = to_pll_10nm(pll); + struct pll_10nm_cached_state *cached = &pll_10nm->cached_state; + void __iomem *phy_base = pll_10nm->phy_cmn_mmio; + u32 val; + int ret; + + val = pll_read(pll_10nm->mmio + REG_DSI_10nm_PHY_PLL_PLL_OUTDIV_RATE); + val &= ~0x3; + val |= cached->pll_out_div; + pll_write(pll_10nm->mmio + REG_DSI_10nm_PHY_PLL_PLL_OUTDIV_RATE, val); + + pll_write(phy_base + REG_DSI_10nm_PHY_CMN_CLK_CFG0, + cached->bit_clk_div | (cached->pix_clk_div << 4)); + + val = pll_read(phy_base + REG_DSI_10nm_PHY_CMN_CLK_CFG1); + val &= ~0x3; + val |= cached->pll_mux; + pll_write(phy_base + REG_DSI_10nm_PHY_CMN_CLK_CFG1, val); + + ret = dsi_pll_10nm_vco_set_rate(&pll->clk_hw, pll_10nm->vco_current_rate, pll_10nm->vco_ref_clk_rate); + if (ret) { + DRM_DEV_ERROR(&pll_10nm->pdev->dev, + "restore vco rate failed. ret=%d\n", ret); + return ret; + } + + DBG("DSI PLL%d", pll_10nm->id); + + return 0; +} + +static int dsi_pll_10nm_set_usecase(struct msm_dsi_pll *pll, + enum msm_dsi_phy_usecase uc) +{ + struct dsi_pll_10nm *pll_10nm = to_pll_10nm(pll); + void __iomem *base = pll_10nm->phy_cmn_mmio; + u32 data = 0x0; /* internal PLL */ + + DBG("DSI PLL%d", pll_10nm->id); + + switch (uc) { + case MSM_DSI_PHY_STANDALONE: + break; + case MSM_DSI_PHY_MASTER: + pll_10nm->slave = pll_10nm_list[(pll_10nm->id + 1) % DSI_MAX]; + break; + case MSM_DSI_PHY_SLAVE: + data = 0x1; /* external PLL */ + break; + default: + return -EINVAL; + } + + /* set PLL src */ + pll_write(base + REG_DSI_10nm_PHY_CMN_CLK_CFG1, (data << 2)); + + pll_10nm->uc = uc; + + return 0; +} + +static int dsi_pll_10nm_get_provider(struct msm_dsi_pll *pll, + struct clk **byte_clk_provider, + struct clk **pixel_clk_provider) +{ + struct dsi_pll_10nm *pll_10nm = to_pll_10nm(pll); + struct clk_hw_onecell_data *hw_data = pll_10nm->hw_data; + + DBG("DSI PLL%d", pll_10nm->id); + + if (byte_clk_provider) + *byte_clk_provider = hw_data->hws[DSI_BYTE_PLL_CLK]->clk; + if (pixel_clk_provider) + *pixel_clk_provider = hw_data->hws[DSI_PIXEL_PLL_CLK]->clk; + + return 0; +} + +static void dsi_pll_10nm_destroy(struct msm_dsi_pll *pll) +{ + struct dsi_pll_10nm *pll_10nm = to_pll_10nm(pll); + struct device *dev = &pll_10nm->pdev->dev; + + DBG("DSI PLL%d", pll_10nm->id); + of_clk_del_provider(dev->of_node); + + clk_hw_unregister_divider(pll_10nm->out_dsiclk_hw); + clk_hw_unregister_mux(pll_10nm->pclk_mux_hw); + clk_hw_unregister_fixed_factor(pll_10nm->post_out_div_clk_hw); + clk_hw_unregister_fixed_factor(pll_10nm->by_2_bit_clk_hw); + clk_hw_unregister_fixed_factor(pll_10nm->byte_clk_hw); + clk_hw_unregister_divider(pll_10nm->bit_clk_hw); + clk_hw_unregister_divider(pll_10nm->out_div_clk_hw); + clk_hw_unregister(&pll_10nm->base.clk_hw); +} + +/* + * The post dividers and mux clocks are created using the standard divider and + * mux API. Unlike the 14nm PHY, the slave PLL doesn't need its dividers/mux + * state to follow the master PLL's divider/mux state. Therefore, we don't + * require special clock ops that also configure the slave PLL registers + */ +static int pll_10nm_register(struct dsi_pll_10nm *pll_10nm) +{ + char clk_name[32], parent[32], vco_name[32]; + char parent2[32], parent3[32], parent4[32]; + struct clk_init_data vco_init = { + .parent_names = (const char *[]){ "xo" }, + .num_parents = 1, + .name = vco_name, + .flags = CLK_IGNORE_UNUSED, + .ops = &clk_ops_dsi_pll_10nm_vco, + }; + struct device *dev = &pll_10nm->pdev->dev; + struct clk_hw_onecell_data *hw_data; + struct clk_hw *hw; + int ret; + + DBG("DSI%d", pll_10nm->id); + + hw_data = devm_kzalloc(dev, sizeof(*hw_data) + + NUM_PROVIDED_CLKS * sizeof(struct clk_hw *), + GFP_KERNEL); + if (!hw_data) + return -ENOMEM; + + snprintf(vco_name, 32, "dsi%dvco_clk", pll_10nm->id); + pll_10nm->base.clk_hw.init = &vco_init; + + ret = clk_hw_register(dev, &pll_10nm->base.clk_hw); + if (ret) + return ret; + + snprintf(clk_name, 32, "dsi%d_pll_out_div_clk", pll_10nm->id); + snprintf(parent, 32, "dsi%dvco_clk", pll_10nm->id); + + hw = clk_hw_register_divider(dev, clk_name, + parent, CLK_SET_RATE_PARENT, + pll_10nm->mmio + + REG_DSI_10nm_PHY_PLL_PLL_OUTDIV_RATE, + 0, 2, CLK_DIVIDER_POWER_OF_TWO, NULL); + if (IS_ERR(hw)) { + ret = PTR_ERR(hw); + goto err_base_clk_hw; + } + + pll_10nm->out_div_clk_hw = hw; + + snprintf(clk_name, 32, "dsi%d_pll_bit_clk", pll_10nm->id); + snprintf(parent, 32, "dsi%d_pll_out_div_clk", pll_10nm->id); + + /* BIT CLK: DIV_CTRL_3_0 */ + hw = clk_hw_register_divider(dev, clk_name, parent, + CLK_SET_RATE_PARENT, + pll_10nm->phy_cmn_mmio + + REG_DSI_10nm_PHY_CMN_CLK_CFG0, + 0, 4, CLK_DIVIDER_ONE_BASED, + &pll_10nm->postdiv_lock); + if (IS_ERR(hw)) { + ret = PTR_ERR(hw); + goto err_out_div_clk_hw; + } + + pll_10nm->bit_clk_hw = hw; + + snprintf(clk_name, 32, "dsi%d_phy_pll_out_byteclk", pll_10nm->id); + snprintf(parent, 32, "dsi%d_pll_bit_clk", pll_10nm->id); + + /* DSI Byte clock = VCO_CLK / OUT_DIV / BIT_DIV / 8 */ + hw = clk_hw_register_fixed_factor(dev, clk_name, parent, + CLK_SET_RATE_PARENT, 1, 8); + if (IS_ERR(hw)) { + ret = PTR_ERR(hw); + goto err_bit_clk_hw; + } + + pll_10nm->byte_clk_hw = hw; + hw_data->hws[DSI_BYTE_PLL_CLK] = hw; + + snprintf(clk_name, 32, "dsi%d_pll_by_2_bit_clk", pll_10nm->id); + snprintf(parent, 32, "dsi%d_pll_bit_clk", pll_10nm->id); + + hw = clk_hw_register_fixed_factor(dev, clk_name, parent, + 0, 1, 2); + if (IS_ERR(hw)) { + ret = PTR_ERR(hw); + goto err_byte_clk_hw; + } + + pll_10nm->by_2_bit_clk_hw = hw; + + snprintf(clk_name, 32, "dsi%d_pll_post_out_div_clk", pll_10nm->id); + snprintf(parent, 32, "dsi%d_pll_out_div_clk", pll_10nm->id); + + hw = clk_hw_register_fixed_factor(dev, clk_name, parent, + 0, 1, 4); + if (IS_ERR(hw)) { + ret = PTR_ERR(hw); + goto err_by_2_bit_clk_hw; + } + + pll_10nm->post_out_div_clk_hw = hw; + + snprintf(clk_name, 32, "dsi%d_pclk_mux", pll_10nm->id); + snprintf(parent, 32, "dsi%d_pll_bit_clk", pll_10nm->id); + snprintf(parent2, 32, "dsi%d_pll_by_2_bit_clk", pll_10nm->id); + snprintf(parent3, 32, "dsi%d_pll_out_div_clk", pll_10nm->id); + snprintf(parent4, 32, "dsi%d_pll_post_out_div_clk", pll_10nm->id); + + hw = clk_hw_register_mux(dev, clk_name, + ((const char *[]){ + parent, parent2, parent3, parent4 + }), 4, 0, pll_10nm->phy_cmn_mmio + + REG_DSI_10nm_PHY_CMN_CLK_CFG1, + 0, 2, 0, NULL); + if (IS_ERR(hw)) { + ret = PTR_ERR(hw); + goto err_post_out_div_clk_hw; + } + + pll_10nm->pclk_mux_hw = hw; + + snprintf(clk_name, 32, "dsi%d_phy_pll_out_dsiclk", pll_10nm->id); + snprintf(parent, 32, "dsi%d_pclk_mux", pll_10nm->id); + + /* PIX CLK DIV : DIV_CTRL_7_4*/ + hw = clk_hw_register_divider(dev, clk_name, parent, + 0, pll_10nm->phy_cmn_mmio + + REG_DSI_10nm_PHY_CMN_CLK_CFG0, + 4, 4, CLK_DIVIDER_ONE_BASED, + &pll_10nm->postdiv_lock); + if (IS_ERR(hw)) { + ret = PTR_ERR(hw); + goto err_pclk_mux_hw; + } + + pll_10nm->out_dsiclk_hw = hw; + hw_data->hws[DSI_PIXEL_PLL_CLK] = hw; + + hw_data->num = NUM_PROVIDED_CLKS; + pll_10nm->hw_data = hw_data; + + ret = of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get, + pll_10nm->hw_data); + if (ret) { + DRM_DEV_ERROR(dev, "failed to register clk provider: %d\n", ret); + goto err_dsiclk_hw; + } + + return 0; + +err_dsiclk_hw: + clk_hw_unregister_divider(pll_10nm->out_dsiclk_hw); +err_pclk_mux_hw: + clk_hw_unregister_mux(pll_10nm->pclk_mux_hw); +err_post_out_div_clk_hw: + clk_hw_unregister_fixed_factor(pll_10nm->post_out_div_clk_hw); +err_by_2_bit_clk_hw: + clk_hw_unregister_fixed_factor(pll_10nm->by_2_bit_clk_hw); +err_byte_clk_hw: + clk_hw_unregister_fixed_factor(pll_10nm->byte_clk_hw); +err_bit_clk_hw: + clk_hw_unregister_divider(pll_10nm->bit_clk_hw); +err_out_div_clk_hw: + clk_hw_unregister_divider(pll_10nm->out_div_clk_hw); +err_base_clk_hw: + clk_hw_unregister(&pll_10nm->base.clk_hw); + + return ret; +} + +struct msm_dsi_pll *msm_dsi_pll_10nm_init(struct platform_device *pdev, int id) +{ + struct dsi_pll_10nm *pll_10nm; + struct msm_dsi_pll *pll; + int ret; + + pll_10nm = devm_kzalloc(&pdev->dev, sizeof(*pll_10nm), GFP_KERNEL); + if (!pll_10nm) + return ERR_PTR(-ENOMEM); + + DBG("DSI PLL%d", id); + + pll_10nm->pdev = pdev; + pll_10nm->id = id; + pll_10nm_list[id] = pll_10nm; + + pll_10nm->phy_cmn_mmio = msm_ioremap(pdev, "dsi_phy", "DSI_PHY"); + if (IS_ERR_OR_NULL(pll_10nm->phy_cmn_mmio)) { + DRM_DEV_ERROR(&pdev->dev, "failed to map CMN PHY base\n"); + return ERR_PTR(-ENOMEM); + } + + pll_10nm->mmio = msm_ioremap(pdev, "dsi_pll", "DSI_PLL"); + if (IS_ERR_OR_NULL(pll_10nm->mmio)) { + DRM_DEV_ERROR(&pdev->dev, "failed to map PLL base\n"); + return ERR_PTR(-ENOMEM); + } + + spin_lock_init(&pll_10nm->postdiv_lock); + + pll = &pll_10nm->base; + pll->min_rate = 1000000000UL; + pll->max_rate = 3500000000UL; + pll->get_provider = dsi_pll_10nm_get_provider; + pll->destroy = dsi_pll_10nm_destroy; + pll->save_state = dsi_pll_10nm_save_state; + pll->restore_state = dsi_pll_10nm_restore_state; + pll->set_usecase = dsi_pll_10nm_set_usecase; + + pll_10nm->vco_delay = 1; + + ret = pll_10nm_register(pll_10nm); + if (ret) { + DRM_DEV_ERROR(&pdev->dev, "failed to register PLL: %d\n", ret); + return ERR_PTR(ret); + } + + /* TODO: Remove this when we have proper display handover support */ + msm_dsi_pll_save_state(pll); + + return pll; +} diff --git a/drivers/gpu/drm/msm/dsi/pll/dsi_pll_14nm.c b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_14nm.c new file mode 100644 index 000000000..f847376d5 --- /dev/null +++ b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_14nm.c @@ -0,0 +1,1096 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2016, The Linux Foundation. All rights reserved. + */ + +#include <linux/clk.h> +#include <linux/clk-provider.h> + +#include "dsi_pll.h" +#include "dsi.xml.h" + +/* + * DSI PLL 14nm - clock diagram (eg: DSI0): + * + * dsi0n1_postdiv_clk + * | + * | + * +----+ | +----+ + * dsi0vco_clk ---| n1 |--o--| /8 |-- dsi0pllbyte + * +----+ | +----+ + * | dsi0n1_postdivby2_clk + * | +----+ | + * o---| /2 |--o--|\ + * | +----+ | \ +----+ + * | | |--| n2 |-- dsi0pll + * o--------------| / +----+ + * |/ + */ + +#define POLL_MAX_READS 15 +#define POLL_TIMEOUT_US 1000 + +#define NUM_PROVIDED_CLKS 2 + +#define VCO_REF_CLK_RATE 19200000 +#define VCO_MIN_RATE 1300000000UL +#define VCO_MAX_RATE 2600000000UL + +#define DSI_BYTE_PLL_CLK 0 +#define DSI_PIXEL_PLL_CLK 1 + +#define DSI_PLL_DEFAULT_VCO_POSTDIV 1 + +struct dsi_pll_input { + u32 fref; /* reference clk */ + u32 fdata; /* bit clock rate */ + u32 dsiclk_sel; /* Mux configuration (see diagram) */ + u32 ssc_en; /* SSC enable/disable */ + u32 ldo_en; + + /* fixed params */ + u32 refclk_dbler_en; + u32 vco_measure_time; + u32 kvco_measure_time; + u32 bandgap_timer; + u32 pll_wakeup_timer; + u32 plllock_cnt; + u32 plllock_rng; + u32 ssc_center; + u32 ssc_adj_period; + u32 ssc_spread; + u32 ssc_freq; + u32 pll_ie_trim; + u32 pll_ip_trim; + u32 pll_iptat_trim; + u32 pll_cpcset_cur; + u32 pll_cpmset_cur; + + u32 pll_icpmset; + u32 pll_icpcset; + + u32 pll_icpmset_p; + u32 pll_icpmset_m; + + u32 pll_icpcset_p; + u32 pll_icpcset_m; + + u32 pll_lpf_res1; + u32 pll_lpf_cap1; + u32 pll_lpf_cap2; + u32 pll_c3ctrl; + u32 pll_r3ctrl; +}; + +struct dsi_pll_output { + u32 pll_txclk_en; + u32 dec_start; + u32 div_frac_start; + u32 ssc_period; + u32 ssc_step_size; + u32 plllock_cmp; + u32 pll_vco_div_ref; + u32 pll_vco_count; + u32 pll_kvco_div_ref; + u32 pll_kvco_count; + u32 pll_misc1; + u32 pll_lpf2_postdiv; + u32 pll_resetsm_cntrl; + u32 pll_resetsm_cntrl2; + u32 pll_resetsm_cntrl5; + u32 pll_kvco_code; + + u32 cmn_clk_cfg0; + u32 cmn_clk_cfg1; + u32 cmn_ldo_cntrl; + + u32 pll_postdiv; + u32 fcvo; +}; + +struct pll_14nm_cached_state { + unsigned long vco_rate; + u8 n2postdiv; + u8 n1postdiv; +}; + +struct dsi_pll_14nm { + struct msm_dsi_pll base; + + int id; + struct platform_device *pdev; + + void __iomem *phy_cmn_mmio; + void __iomem *mmio; + + int vco_delay; + + struct dsi_pll_input in; + struct dsi_pll_output out; + + /* protects REG_DSI_14nm_PHY_CMN_CLK_CFG0 register */ + spinlock_t postdiv_lock; + + u64 vco_current_rate; + u64 vco_ref_clk_rate; + + /* private clocks: */ + struct clk_hw *hws[NUM_DSI_CLOCKS_MAX]; + u32 num_hws; + + /* clock-provider: */ + struct clk_hw_onecell_data *hw_data; + + struct pll_14nm_cached_state cached_state; + + enum msm_dsi_phy_usecase uc; + struct dsi_pll_14nm *slave; +}; + +#define to_pll_14nm(x) container_of(x, struct dsi_pll_14nm, base) + +/* + * Private struct for N1/N2 post-divider clocks. These clocks are similar to + * the generic clk_divider class of clocks. The only difference is that it + * also sets the slave DSI PLL's post-dividers if in Dual DSI mode + */ +struct dsi_pll_14nm_postdiv { + struct clk_hw hw; + + /* divider params */ + u8 shift; + u8 width; + u8 flags; /* same flags as used by clk_divider struct */ + + struct dsi_pll_14nm *pll; +}; + +#define to_pll_14nm_postdiv(_hw) container_of(_hw, struct dsi_pll_14nm_postdiv, hw) + +/* + * Global list of private DSI PLL struct pointers. We need this for Dual DSI + * mode, where the master PLL's clk_ops needs access the slave's private data + */ +static struct dsi_pll_14nm *pll_14nm_list[DSI_MAX]; + +static bool pll_14nm_poll_for_ready(struct dsi_pll_14nm *pll_14nm, + u32 nb_tries, u32 timeout_us) +{ + bool pll_locked = false; + void __iomem *base = pll_14nm->mmio; + u32 tries, val; + + tries = nb_tries; + while (tries--) { + val = pll_read(base + + REG_DSI_14nm_PHY_PLL_RESET_SM_READY_STATUS); + pll_locked = !!(val & BIT(5)); + + if (pll_locked) + break; + + udelay(timeout_us); + } + + if (!pll_locked) { + tries = nb_tries; + while (tries--) { + val = pll_read(base + + REG_DSI_14nm_PHY_PLL_RESET_SM_READY_STATUS); + pll_locked = !!(val & BIT(0)); + + if (pll_locked) + break; + + udelay(timeout_us); + } + } + + DBG("DSI PLL is %slocked", pll_locked ? "" : "*not* "); + + return pll_locked; +} + +static void dsi_pll_14nm_input_init(struct dsi_pll_14nm *pll) +{ + pll->in.fref = pll->vco_ref_clk_rate; + pll->in.fdata = 0; + pll->in.dsiclk_sel = 1; /* Use the /2 path in Mux */ + pll->in.ldo_en = 0; /* disabled for now */ + + /* fixed input */ + pll->in.refclk_dbler_en = 0; + pll->in.vco_measure_time = 5; + pll->in.kvco_measure_time = 5; + pll->in.bandgap_timer = 4; + pll->in.pll_wakeup_timer = 5; + pll->in.plllock_cnt = 1; + pll->in.plllock_rng = 0; + + /* + * SSC is enabled by default. We might need DT props for configuring + * some SSC params like PPM and center/down spread etc. + */ + pll->in.ssc_en = 1; + pll->in.ssc_center = 0; /* down spread by default */ + pll->in.ssc_spread = 5; /* PPM / 1000 */ + pll->in.ssc_freq = 31500; /* default recommended */ + pll->in.ssc_adj_period = 37; + + pll->in.pll_ie_trim = 4; + pll->in.pll_ip_trim = 4; + pll->in.pll_cpcset_cur = 1; + pll->in.pll_cpmset_cur = 1; + pll->in.pll_icpmset = 4; + pll->in.pll_icpcset = 4; + pll->in.pll_icpmset_p = 0; + pll->in.pll_icpmset_m = 0; + pll->in.pll_icpcset_p = 0; + pll->in.pll_icpcset_m = 0; + pll->in.pll_lpf_res1 = 3; + pll->in.pll_lpf_cap1 = 11; + pll->in.pll_lpf_cap2 = 1; + pll->in.pll_iptat_trim = 7; + pll->in.pll_c3ctrl = 2; + pll->in.pll_r3ctrl = 1; +} + +#define CEIL(x, y) (((x) + ((y) - 1)) / (y)) + +static void pll_14nm_ssc_calc(struct dsi_pll_14nm *pll) +{ + u32 period, ssc_period; + u32 ref, rem; + u64 step_size; + + DBG("vco=%lld ref=%lld", pll->vco_current_rate, pll->vco_ref_clk_rate); + + ssc_period = pll->in.ssc_freq / 500; + period = (u32)pll->vco_ref_clk_rate / 1000; + ssc_period = CEIL(period, ssc_period); + ssc_period -= 1; + pll->out.ssc_period = ssc_period; + + DBG("ssc freq=%d spread=%d period=%d", pll->in.ssc_freq, + pll->in.ssc_spread, pll->out.ssc_period); + + step_size = (u32)pll->vco_current_rate; + ref = pll->vco_ref_clk_rate; + ref /= 1000; + step_size = div_u64(step_size, ref); + step_size <<= 20; + step_size = div_u64(step_size, 1000); + step_size *= pll->in.ssc_spread; + step_size = div_u64(step_size, 1000); + step_size *= (pll->in.ssc_adj_period + 1); + + rem = 0; + step_size = div_u64_rem(step_size, ssc_period + 1, &rem); + if (rem) + step_size++; + + DBG("step_size=%lld", step_size); + + step_size &= 0x0ffff; /* take lower 16 bits */ + + pll->out.ssc_step_size = step_size; +} + +static void pll_14nm_dec_frac_calc(struct dsi_pll_14nm *pll) +{ + struct dsi_pll_input *pin = &pll->in; + struct dsi_pll_output *pout = &pll->out; + u64 multiplier = BIT(20); + u64 dec_start_multiple, dec_start, pll_comp_val; + u32 duration, div_frac_start; + u64 vco_clk_rate = pll->vco_current_rate; + u64 fref = pll->vco_ref_clk_rate; + + DBG("vco_clk_rate=%lld ref_clk_rate=%lld", vco_clk_rate, fref); + + dec_start_multiple = div_u64(vco_clk_rate * multiplier, fref); + div_u64_rem(dec_start_multiple, multiplier, &div_frac_start); + + dec_start = div_u64(dec_start_multiple, multiplier); + + pout->dec_start = (u32)dec_start; + pout->div_frac_start = div_frac_start; + + if (pin->plllock_cnt == 0) + duration = 1024; + else if (pin->plllock_cnt == 1) + duration = 256; + else if (pin->plllock_cnt == 2) + duration = 128; + else + duration = 32; + + pll_comp_val = duration * dec_start_multiple; + pll_comp_val = div_u64(pll_comp_val, multiplier); + do_div(pll_comp_val, 10); + + pout->plllock_cmp = (u32)pll_comp_val; + + pout->pll_txclk_en = 1; + pout->cmn_ldo_cntrl = 0x3c; +} + +static u32 pll_14nm_kvco_slop(u32 vrate) +{ + u32 slop = 0; + + if (vrate > VCO_MIN_RATE && vrate <= 1800000000UL) + slop = 600; + else if (vrate > 1800000000UL && vrate < 2300000000UL) + slop = 400; + else if (vrate > 2300000000UL && vrate < VCO_MAX_RATE) + slop = 280; + + return slop; +} + +static void pll_14nm_calc_vco_count(struct dsi_pll_14nm *pll) +{ + struct dsi_pll_input *pin = &pll->in; + struct dsi_pll_output *pout = &pll->out; + u64 vco_clk_rate = pll->vco_current_rate; + u64 fref = pll->vco_ref_clk_rate; + u64 data; + u32 cnt; + + data = fref * pin->vco_measure_time; + do_div(data, 1000000); + data &= 0x03ff; /* 10 bits */ + data -= 2; + pout->pll_vco_div_ref = data; + + data = div_u64(vco_clk_rate, 1000000); /* unit is Mhz */ + data *= pin->vco_measure_time; + do_div(data, 10); + pout->pll_vco_count = data; + + data = fref * pin->kvco_measure_time; + do_div(data, 1000000); + data &= 0x03ff; /* 10 bits */ + data -= 1; + pout->pll_kvco_div_ref = data; + + cnt = pll_14nm_kvco_slop(vco_clk_rate); + cnt *= 2; + cnt /= 100; + cnt *= pin->kvco_measure_time; + pout->pll_kvco_count = cnt; + + pout->pll_misc1 = 16; + pout->pll_resetsm_cntrl = 48; + pout->pll_resetsm_cntrl2 = pin->bandgap_timer << 3; + pout->pll_resetsm_cntrl5 = pin->pll_wakeup_timer; + pout->pll_kvco_code = 0; +} + +static void pll_db_commit_ssc(struct dsi_pll_14nm *pll) +{ + void __iomem *base = pll->mmio; + struct dsi_pll_input *pin = &pll->in; + struct dsi_pll_output *pout = &pll->out; + u8 data; + + data = pin->ssc_adj_period; + data &= 0x0ff; + pll_write(base + REG_DSI_14nm_PHY_PLL_SSC_ADJ_PER1, data); + data = (pin->ssc_adj_period >> 8); + data &= 0x03; + pll_write(base + REG_DSI_14nm_PHY_PLL_SSC_ADJ_PER2, data); + + data = pout->ssc_period; + data &= 0x0ff; + pll_write(base + REG_DSI_14nm_PHY_PLL_SSC_PER1, data); + data = (pout->ssc_period >> 8); + data &= 0x0ff; + pll_write(base + REG_DSI_14nm_PHY_PLL_SSC_PER2, data); + + data = pout->ssc_step_size; + data &= 0x0ff; + pll_write(base + REG_DSI_14nm_PHY_PLL_SSC_STEP_SIZE1, data); + data = (pout->ssc_step_size >> 8); + data &= 0x0ff; + pll_write(base + REG_DSI_14nm_PHY_PLL_SSC_STEP_SIZE2, data); + + data = (pin->ssc_center & 0x01); + data <<= 1; + data |= 0x01; /* enable */ + pll_write(base + REG_DSI_14nm_PHY_PLL_SSC_EN_CENTER, data); + + wmb(); /* make sure register committed */ +} + +static void pll_db_commit_common(struct dsi_pll_14nm *pll, + struct dsi_pll_input *pin, + struct dsi_pll_output *pout) +{ + void __iomem *base = pll->mmio; + u8 data; + + /* confgiure the non frequency dependent pll registers */ + data = 0; + pll_write(base + REG_DSI_14nm_PHY_PLL_SYSCLK_EN_RESET, data); + + data = pout->pll_txclk_en; + pll_write(base + REG_DSI_14nm_PHY_PLL_TXCLK_EN, data); + + data = pout->pll_resetsm_cntrl; + pll_write(base + REG_DSI_14nm_PHY_PLL_RESETSM_CNTRL, data); + data = pout->pll_resetsm_cntrl2; + pll_write(base + REG_DSI_14nm_PHY_PLL_RESETSM_CNTRL2, data); + data = pout->pll_resetsm_cntrl5; + pll_write(base + REG_DSI_14nm_PHY_PLL_RESETSM_CNTRL5, data); + + data = pout->pll_vco_div_ref & 0xff; + pll_write(base + REG_DSI_14nm_PHY_PLL_VCO_DIV_REF1, data); + data = (pout->pll_vco_div_ref >> 8) & 0x3; + pll_write(base + REG_DSI_14nm_PHY_PLL_VCO_DIV_REF2, data); + + data = pout->pll_kvco_div_ref & 0xff; + pll_write(base + REG_DSI_14nm_PHY_PLL_KVCO_DIV_REF1, data); + data = (pout->pll_kvco_div_ref >> 8) & 0x3; + pll_write(base + REG_DSI_14nm_PHY_PLL_KVCO_DIV_REF2, data); + + data = pout->pll_misc1; + pll_write(base + REG_DSI_14nm_PHY_PLL_PLL_MISC1, data); + + data = pin->pll_ie_trim; + pll_write(base + REG_DSI_14nm_PHY_PLL_IE_TRIM, data); + + data = pin->pll_ip_trim; + pll_write(base + REG_DSI_14nm_PHY_PLL_IP_TRIM, data); + + data = pin->pll_cpmset_cur << 3 | pin->pll_cpcset_cur; + pll_write(base + REG_DSI_14nm_PHY_PLL_CP_SET_CUR, data); + + data = pin->pll_icpcset_p << 3 | pin->pll_icpcset_m; + pll_write(base + REG_DSI_14nm_PHY_PLL_PLL_ICPCSET, data); + + data = pin->pll_icpmset_p << 3 | pin->pll_icpcset_m; + pll_write(base + REG_DSI_14nm_PHY_PLL_PLL_ICPMSET, data); + + data = pin->pll_icpmset << 3 | pin->pll_icpcset; + pll_write(base + REG_DSI_14nm_PHY_PLL_PLL_ICP_SET, data); + + data = pin->pll_lpf_cap2 << 4 | pin->pll_lpf_cap1; + pll_write(base + REG_DSI_14nm_PHY_PLL_PLL_LPF1, data); + + data = pin->pll_iptat_trim; + pll_write(base + REG_DSI_14nm_PHY_PLL_IPTAT_TRIM, data); + + data = pin->pll_c3ctrl | pin->pll_r3ctrl << 4; + pll_write(base + REG_DSI_14nm_PHY_PLL_PLL_CRCTRL, data); +} + +static void pll_14nm_software_reset(struct dsi_pll_14nm *pll_14nm) +{ + void __iomem *cmn_base = pll_14nm->phy_cmn_mmio; + + /* de assert pll start and apply pll sw reset */ + + /* stop pll */ + pll_write(cmn_base + REG_DSI_14nm_PHY_CMN_PLL_CNTRL, 0); + + /* pll sw reset */ + pll_write_udelay(cmn_base + REG_DSI_14nm_PHY_CMN_CTRL_1, 0x20, 10); + wmb(); /* make sure register committed */ + + pll_write(cmn_base + REG_DSI_14nm_PHY_CMN_CTRL_1, 0); + wmb(); /* make sure register committed */ +} + +static void pll_db_commit_14nm(struct dsi_pll_14nm *pll, + struct dsi_pll_input *pin, + struct dsi_pll_output *pout) +{ + void __iomem *base = pll->mmio; + void __iomem *cmn_base = pll->phy_cmn_mmio; + u8 data; + + DBG("DSI%d PLL", pll->id); + + data = pout->cmn_ldo_cntrl; + pll_write(cmn_base + REG_DSI_14nm_PHY_CMN_LDO_CNTRL, data); + + pll_db_commit_common(pll, pin, pout); + + pll_14nm_software_reset(pll); + + data = pin->dsiclk_sel; /* set dsiclk_sel = 1 */ + pll_write(cmn_base + REG_DSI_14nm_PHY_CMN_CLK_CFG1, data); + + data = 0xff; /* data, clk, pll normal operation */ + pll_write(cmn_base + REG_DSI_14nm_PHY_CMN_CTRL_0, data); + + /* configure the frequency dependent pll registers */ + data = pout->dec_start; + pll_write(base + REG_DSI_14nm_PHY_PLL_DEC_START, data); + + data = pout->div_frac_start & 0xff; + pll_write(base + REG_DSI_14nm_PHY_PLL_DIV_FRAC_START1, data); + data = (pout->div_frac_start >> 8) & 0xff; + pll_write(base + REG_DSI_14nm_PHY_PLL_DIV_FRAC_START2, data); + data = (pout->div_frac_start >> 16) & 0xf; + pll_write(base + REG_DSI_14nm_PHY_PLL_DIV_FRAC_START3, data); + + data = pout->plllock_cmp & 0xff; + pll_write(base + REG_DSI_14nm_PHY_PLL_PLLLOCK_CMP1, data); + + data = (pout->plllock_cmp >> 8) & 0xff; + pll_write(base + REG_DSI_14nm_PHY_PLL_PLLLOCK_CMP2, data); + + data = (pout->plllock_cmp >> 16) & 0x3; + pll_write(base + REG_DSI_14nm_PHY_PLL_PLLLOCK_CMP3, data); + + data = pin->plllock_cnt << 1 | pin->plllock_rng << 3; + pll_write(base + REG_DSI_14nm_PHY_PLL_PLLLOCK_CMP_EN, data); + + data = pout->pll_vco_count & 0xff; + pll_write(base + REG_DSI_14nm_PHY_PLL_VCO_COUNT1, data); + data = (pout->pll_vco_count >> 8) & 0xff; + pll_write(base + REG_DSI_14nm_PHY_PLL_VCO_COUNT2, data); + + data = pout->pll_kvco_count & 0xff; + pll_write(base + REG_DSI_14nm_PHY_PLL_KVCO_COUNT1, data); + data = (pout->pll_kvco_count >> 8) & 0x3; + pll_write(base + REG_DSI_14nm_PHY_PLL_KVCO_COUNT2, data); + + data = (pout->pll_postdiv - 1) << 4 | pin->pll_lpf_res1; + pll_write(base + REG_DSI_14nm_PHY_PLL_PLL_LPF2_POSTDIV, data); + + if (pin->ssc_en) + pll_db_commit_ssc(pll); + + wmb(); /* make sure register committed */ +} + +/* + * VCO clock Callbacks + */ +static int dsi_pll_14nm_vco_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct msm_dsi_pll *pll = hw_clk_to_pll(hw); + struct dsi_pll_14nm *pll_14nm = to_pll_14nm(pll); + struct dsi_pll_input *pin = &pll_14nm->in; + struct dsi_pll_output *pout = &pll_14nm->out; + + DBG("DSI PLL%d rate=%lu, parent's=%lu", pll_14nm->id, rate, + parent_rate); + + pll_14nm->vco_current_rate = rate; + pll_14nm->vco_ref_clk_rate = VCO_REF_CLK_RATE; + + dsi_pll_14nm_input_init(pll_14nm); + + /* + * This configures the post divider internal to the VCO. It's + * fixed to divide by 1 for now. + * + * tx_band = pll_postdiv. + * 0: divided by 1 + * 1: divided by 2 + * 2: divided by 4 + * 3: divided by 8 + */ + pout->pll_postdiv = DSI_PLL_DEFAULT_VCO_POSTDIV; + + pll_14nm_dec_frac_calc(pll_14nm); + + if (pin->ssc_en) + pll_14nm_ssc_calc(pll_14nm); + + pll_14nm_calc_vco_count(pll_14nm); + + /* commit the slave DSI PLL registers if we're master. Note that we + * don't lock the slave PLL. We just ensure that the PLL/PHY registers + * of the master and slave are identical + */ + if (pll_14nm->uc == MSM_DSI_PHY_MASTER) { + struct dsi_pll_14nm *pll_14nm_slave = pll_14nm->slave; + + pll_db_commit_14nm(pll_14nm_slave, pin, pout); + } + + pll_db_commit_14nm(pll_14nm, pin, pout); + + return 0; +} + +static unsigned long dsi_pll_14nm_vco_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct msm_dsi_pll *pll = hw_clk_to_pll(hw); + struct dsi_pll_14nm *pll_14nm = to_pll_14nm(pll); + void __iomem *base = pll_14nm->mmio; + u64 vco_rate, multiplier = BIT(20); + u32 div_frac_start; + u32 dec_start; + u64 ref_clk = parent_rate; + + dec_start = pll_read(base + REG_DSI_14nm_PHY_PLL_DEC_START); + dec_start &= 0x0ff; + + DBG("dec_start = %x", dec_start); + + div_frac_start = (pll_read(base + REG_DSI_14nm_PHY_PLL_DIV_FRAC_START3) + & 0xf) << 16; + div_frac_start |= (pll_read(base + REG_DSI_14nm_PHY_PLL_DIV_FRAC_START2) + & 0xff) << 8; + div_frac_start |= pll_read(base + REG_DSI_14nm_PHY_PLL_DIV_FRAC_START1) + & 0xff; + + DBG("div_frac_start = %x", div_frac_start); + + vco_rate = ref_clk * dec_start; + + vco_rate += ((ref_clk * div_frac_start) / multiplier); + + /* + * Recalculating the rate from dec_start and frac_start doesn't end up + * the rate we originally set. Convert the freq to KHz, round it up and + * convert it back to MHz. + */ + vco_rate = DIV_ROUND_UP_ULL(vco_rate, 1000) * 1000; + + DBG("returning vco rate = %lu", (unsigned long)vco_rate); + + return (unsigned long)vco_rate; +} + +static const struct clk_ops clk_ops_dsi_pll_14nm_vco = { + .round_rate = msm_dsi_pll_helper_clk_round_rate, + .set_rate = dsi_pll_14nm_vco_set_rate, + .recalc_rate = dsi_pll_14nm_vco_recalc_rate, + .prepare = msm_dsi_pll_helper_clk_prepare, + .unprepare = msm_dsi_pll_helper_clk_unprepare, +}; + +/* + * N1 and N2 post-divider clock callbacks + */ +#define div_mask(width) ((1 << (width)) - 1) +static unsigned long dsi_pll_14nm_postdiv_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct dsi_pll_14nm_postdiv *postdiv = to_pll_14nm_postdiv(hw); + struct dsi_pll_14nm *pll_14nm = postdiv->pll; + void __iomem *base = pll_14nm->phy_cmn_mmio; + u8 shift = postdiv->shift; + u8 width = postdiv->width; + u32 val; + + DBG("DSI%d PLL parent rate=%lu", pll_14nm->id, parent_rate); + + val = pll_read(base + REG_DSI_14nm_PHY_CMN_CLK_CFG0) >> shift; + val &= div_mask(width); + + return divider_recalc_rate(hw, parent_rate, val, NULL, + postdiv->flags, width); +} + +static long dsi_pll_14nm_postdiv_round_rate(struct clk_hw *hw, + unsigned long rate, + unsigned long *prate) +{ + struct dsi_pll_14nm_postdiv *postdiv = to_pll_14nm_postdiv(hw); + struct dsi_pll_14nm *pll_14nm = postdiv->pll; + + DBG("DSI%d PLL parent rate=%lu", pll_14nm->id, rate); + + return divider_round_rate(hw, rate, prate, NULL, + postdiv->width, + postdiv->flags); +} + +static int dsi_pll_14nm_postdiv_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct dsi_pll_14nm_postdiv *postdiv = to_pll_14nm_postdiv(hw); + struct dsi_pll_14nm *pll_14nm = postdiv->pll; + void __iomem *base = pll_14nm->phy_cmn_mmio; + spinlock_t *lock = &pll_14nm->postdiv_lock; + u8 shift = postdiv->shift; + u8 width = postdiv->width; + unsigned int value; + unsigned long flags = 0; + u32 val; + + DBG("DSI%d PLL parent rate=%lu parent rate %lu", pll_14nm->id, rate, + parent_rate); + + value = divider_get_val(rate, parent_rate, NULL, postdiv->width, + postdiv->flags); + + spin_lock_irqsave(lock, flags); + + val = pll_read(base + REG_DSI_14nm_PHY_CMN_CLK_CFG0); + val &= ~(div_mask(width) << shift); + + val |= value << shift; + pll_write(base + REG_DSI_14nm_PHY_CMN_CLK_CFG0, val); + + /* If we're master in dual DSI mode, then the slave PLL's post-dividers + * follow the master's post dividers + */ + if (pll_14nm->uc == MSM_DSI_PHY_MASTER) { + struct dsi_pll_14nm *pll_14nm_slave = pll_14nm->slave; + void __iomem *slave_base = pll_14nm_slave->phy_cmn_mmio; + + pll_write(slave_base + REG_DSI_14nm_PHY_CMN_CLK_CFG0, val); + } + + spin_unlock_irqrestore(lock, flags); + + return 0; +} + +static const struct clk_ops clk_ops_dsi_pll_14nm_postdiv = { + .recalc_rate = dsi_pll_14nm_postdiv_recalc_rate, + .round_rate = dsi_pll_14nm_postdiv_round_rate, + .set_rate = dsi_pll_14nm_postdiv_set_rate, +}; + +/* + * PLL Callbacks + */ + +static int dsi_pll_14nm_enable_seq(struct msm_dsi_pll *pll) +{ + struct dsi_pll_14nm *pll_14nm = to_pll_14nm(pll); + void __iomem *base = pll_14nm->mmio; + void __iomem *cmn_base = pll_14nm->phy_cmn_mmio; + bool locked; + + DBG(""); + + pll_write(base + REG_DSI_14nm_PHY_PLL_VREF_CFG1, 0x10); + pll_write(cmn_base + REG_DSI_14nm_PHY_CMN_PLL_CNTRL, 1); + + locked = pll_14nm_poll_for_ready(pll_14nm, POLL_MAX_READS, + POLL_TIMEOUT_US); + + if (unlikely(!locked)) + DRM_DEV_ERROR(&pll_14nm->pdev->dev, "DSI PLL lock failed\n"); + else + DBG("DSI PLL lock success"); + + return locked ? 0 : -EINVAL; +} + +static void dsi_pll_14nm_disable_seq(struct msm_dsi_pll *pll) +{ + struct dsi_pll_14nm *pll_14nm = to_pll_14nm(pll); + void __iomem *cmn_base = pll_14nm->phy_cmn_mmio; + + DBG(""); + + pll_write(cmn_base + REG_DSI_14nm_PHY_CMN_PLL_CNTRL, 0); +} + +static void dsi_pll_14nm_save_state(struct msm_dsi_pll *pll) +{ + struct dsi_pll_14nm *pll_14nm = to_pll_14nm(pll); + struct pll_14nm_cached_state *cached_state = &pll_14nm->cached_state; + void __iomem *cmn_base = pll_14nm->phy_cmn_mmio; + u32 data; + + data = pll_read(cmn_base + REG_DSI_14nm_PHY_CMN_CLK_CFG0); + + cached_state->n1postdiv = data & 0xf; + cached_state->n2postdiv = (data >> 4) & 0xf; + + DBG("DSI%d PLL save state %x %x", pll_14nm->id, + cached_state->n1postdiv, cached_state->n2postdiv); + + cached_state->vco_rate = clk_hw_get_rate(&pll->clk_hw); +} + +static int dsi_pll_14nm_restore_state(struct msm_dsi_pll *pll) +{ + struct dsi_pll_14nm *pll_14nm = to_pll_14nm(pll); + struct pll_14nm_cached_state *cached_state = &pll_14nm->cached_state; + void __iomem *cmn_base = pll_14nm->phy_cmn_mmio; + u32 data; + int ret; + + ret = dsi_pll_14nm_vco_set_rate(&pll->clk_hw, + cached_state->vco_rate, 0); + if (ret) { + DRM_DEV_ERROR(&pll_14nm->pdev->dev, + "restore vco rate failed. ret=%d\n", ret); + return ret; + } + + data = cached_state->n1postdiv | (cached_state->n2postdiv << 4); + + DBG("DSI%d PLL restore state %x %x", pll_14nm->id, + cached_state->n1postdiv, cached_state->n2postdiv); + + pll_write(cmn_base + REG_DSI_14nm_PHY_CMN_CLK_CFG0, data); + + /* also restore post-dividers for slave DSI PLL */ + if (pll_14nm->uc == MSM_DSI_PHY_MASTER) { + struct dsi_pll_14nm *pll_14nm_slave = pll_14nm->slave; + void __iomem *slave_base = pll_14nm_slave->phy_cmn_mmio; + + pll_write(slave_base + REG_DSI_14nm_PHY_CMN_CLK_CFG0, data); + } + + return 0; +} + +static int dsi_pll_14nm_set_usecase(struct msm_dsi_pll *pll, + enum msm_dsi_phy_usecase uc) +{ + struct dsi_pll_14nm *pll_14nm = to_pll_14nm(pll); + void __iomem *base = pll_14nm->mmio; + u32 clkbuflr_en, bandgap = 0; + + switch (uc) { + case MSM_DSI_PHY_STANDALONE: + clkbuflr_en = 0x1; + break; + case MSM_DSI_PHY_MASTER: + clkbuflr_en = 0x3; + pll_14nm->slave = pll_14nm_list[(pll_14nm->id + 1) % DSI_MAX]; + break; + case MSM_DSI_PHY_SLAVE: + clkbuflr_en = 0x0; + bandgap = 0x3; + break; + default: + return -EINVAL; + } + + pll_write(base + REG_DSI_14nm_PHY_PLL_CLKBUFLR_EN, clkbuflr_en); + if (bandgap) + pll_write(base + REG_DSI_14nm_PHY_PLL_PLL_BANDGAP, bandgap); + + pll_14nm->uc = uc; + + return 0; +} + +static int dsi_pll_14nm_get_provider(struct msm_dsi_pll *pll, + struct clk **byte_clk_provider, + struct clk **pixel_clk_provider) +{ + struct dsi_pll_14nm *pll_14nm = to_pll_14nm(pll); + struct clk_hw_onecell_data *hw_data = pll_14nm->hw_data; + + if (byte_clk_provider) + *byte_clk_provider = hw_data->hws[DSI_BYTE_PLL_CLK]->clk; + if (pixel_clk_provider) + *pixel_clk_provider = hw_data->hws[DSI_PIXEL_PLL_CLK]->clk; + + return 0; +} + +static void dsi_pll_14nm_destroy(struct msm_dsi_pll *pll) +{ + struct dsi_pll_14nm *pll_14nm = to_pll_14nm(pll); + struct platform_device *pdev = pll_14nm->pdev; + int num_hws = pll_14nm->num_hws; + + of_clk_del_provider(pdev->dev.of_node); + + while (num_hws--) + clk_hw_unregister(pll_14nm->hws[num_hws]); +} + +static struct clk_hw *pll_14nm_postdiv_register(struct dsi_pll_14nm *pll_14nm, + const char *name, + const char *parent_name, + unsigned long flags, + u8 shift) +{ + struct dsi_pll_14nm_postdiv *pll_postdiv; + struct device *dev = &pll_14nm->pdev->dev; + struct clk_init_data postdiv_init = { + .parent_names = (const char *[]) { parent_name }, + .num_parents = 1, + .name = name, + .flags = flags, + .ops = &clk_ops_dsi_pll_14nm_postdiv, + }; + int ret; + + pll_postdiv = devm_kzalloc(dev, sizeof(*pll_postdiv), GFP_KERNEL); + if (!pll_postdiv) + return ERR_PTR(-ENOMEM); + + pll_postdiv->pll = pll_14nm; + pll_postdiv->shift = shift; + /* both N1 and N2 postdividers are 4 bits wide */ + pll_postdiv->width = 4; + /* range of each divider is from 1 to 15 */ + pll_postdiv->flags = CLK_DIVIDER_ONE_BASED; + pll_postdiv->hw.init = &postdiv_init; + + ret = clk_hw_register(dev, &pll_postdiv->hw); + if (ret) + return ERR_PTR(ret); + + return &pll_postdiv->hw; +} + +static int pll_14nm_register(struct dsi_pll_14nm *pll_14nm) +{ + char clk_name[32], parent[32], vco_name[32]; + struct clk_init_data vco_init = { + .parent_names = (const char *[]){ "xo" }, + .num_parents = 1, + .name = vco_name, + .flags = CLK_IGNORE_UNUSED, + .ops = &clk_ops_dsi_pll_14nm_vco, + }; + struct device *dev = &pll_14nm->pdev->dev; + struct clk_hw **hws = pll_14nm->hws; + struct clk_hw_onecell_data *hw_data; + struct clk_hw *hw; + int num = 0; + int ret; + + DBG("DSI%d", pll_14nm->id); + + hw_data = devm_kzalloc(dev, sizeof(*hw_data) + + NUM_PROVIDED_CLKS * sizeof(struct clk_hw *), + GFP_KERNEL); + if (!hw_data) + return -ENOMEM; + + snprintf(vco_name, 32, "dsi%dvco_clk", pll_14nm->id); + pll_14nm->base.clk_hw.init = &vco_init; + + ret = clk_hw_register(dev, &pll_14nm->base.clk_hw); + if (ret) + return ret; + + hws[num++] = &pll_14nm->base.clk_hw; + + snprintf(clk_name, 32, "dsi%dn1_postdiv_clk", pll_14nm->id); + snprintf(parent, 32, "dsi%dvco_clk", pll_14nm->id); + + /* N1 postdiv, bits 0-3 in REG_DSI_14nm_PHY_CMN_CLK_CFG0 */ + hw = pll_14nm_postdiv_register(pll_14nm, clk_name, parent, + CLK_SET_RATE_PARENT, 0); + if (IS_ERR(hw)) + return PTR_ERR(hw); + + hws[num++] = hw; + + snprintf(clk_name, 32, "dsi%dpllbyte", pll_14nm->id); + snprintf(parent, 32, "dsi%dn1_postdiv_clk", pll_14nm->id); + + /* DSI Byte clock = VCO_CLK / N1 / 8 */ + hw = clk_hw_register_fixed_factor(dev, clk_name, parent, + CLK_SET_RATE_PARENT, 1, 8); + if (IS_ERR(hw)) + return PTR_ERR(hw); + + hws[num++] = hw; + hw_data->hws[DSI_BYTE_PLL_CLK] = hw; + + snprintf(clk_name, 32, "dsi%dn1_postdivby2_clk", pll_14nm->id); + snprintf(parent, 32, "dsi%dn1_postdiv_clk", pll_14nm->id); + + /* + * Skip the mux for now, force DSICLK_SEL to 1, Add a /2 divider + * on the way. Don't let it set parent. + */ + hw = clk_hw_register_fixed_factor(dev, clk_name, parent, 0, 1, 2); + if (IS_ERR(hw)) + return PTR_ERR(hw); + + hws[num++] = hw; + + snprintf(clk_name, 32, "dsi%dpll", pll_14nm->id); + snprintf(parent, 32, "dsi%dn1_postdivby2_clk", pll_14nm->id); + + /* DSI pixel clock = VCO_CLK / N1 / 2 / N2 + * This is the output of N2 post-divider, bits 4-7 in + * REG_DSI_14nm_PHY_CMN_CLK_CFG0. Don't let it set parent. + */ + hw = pll_14nm_postdiv_register(pll_14nm, clk_name, parent, 0, 4); + if (IS_ERR(hw)) + return PTR_ERR(hw); + + hws[num++] = hw; + hw_data->hws[DSI_PIXEL_PLL_CLK] = hw; + + pll_14nm->num_hws = num; + + hw_data->num = NUM_PROVIDED_CLKS; + pll_14nm->hw_data = hw_data; + + ret = of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get, + pll_14nm->hw_data); + if (ret) { + DRM_DEV_ERROR(dev, "failed to register clk provider: %d\n", ret); + return ret; + } + + return 0; +} + +struct msm_dsi_pll *msm_dsi_pll_14nm_init(struct platform_device *pdev, int id) +{ + struct dsi_pll_14nm *pll_14nm; + struct msm_dsi_pll *pll; + int ret; + + if (!pdev) + return ERR_PTR(-ENODEV); + + pll_14nm = devm_kzalloc(&pdev->dev, sizeof(*pll_14nm), GFP_KERNEL); + if (!pll_14nm) + return ERR_PTR(-ENOMEM); + + DBG("PLL%d", id); + + pll_14nm->pdev = pdev; + pll_14nm->id = id; + pll_14nm_list[id] = pll_14nm; + + pll_14nm->phy_cmn_mmio = msm_ioremap(pdev, "dsi_phy", "DSI_PHY"); + if (IS_ERR_OR_NULL(pll_14nm->phy_cmn_mmio)) { + DRM_DEV_ERROR(&pdev->dev, "failed to map CMN PHY base\n"); + return ERR_PTR(-ENOMEM); + } + + pll_14nm->mmio = msm_ioremap(pdev, "dsi_pll", "DSI_PLL"); + if (IS_ERR_OR_NULL(pll_14nm->mmio)) { + DRM_DEV_ERROR(&pdev->dev, "failed to map PLL base\n"); + return ERR_PTR(-ENOMEM); + } + + spin_lock_init(&pll_14nm->postdiv_lock); + + pll = &pll_14nm->base; + pll->min_rate = VCO_MIN_RATE; + pll->max_rate = VCO_MAX_RATE; + pll->get_provider = dsi_pll_14nm_get_provider; + pll->destroy = dsi_pll_14nm_destroy; + pll->disable_seq = dsi_pll_14nm_disable_seq; + pll->save_state = dsi_pll_14nm_save_state; + pll->restore_state = dsi_pll_14nm_restore_state; + pll->set_usecase = dsi_pll_14nm_set_usecase; + + pll_14nm->vco_delay = 1; + + pll->en_seq_cnt = 1; + pll->enable_seqs[0] = dsi_pll_14nm_enable_seq; + + ret = pll_14nm_register(pll_14nm); + if (ret) { + DRM_DEV_ERROR(&pdev->dev, "failed to register PLL: %d\n", ret); + return ERR_PTR(ret); + } + + return pll; +} diff --git a/drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm.c b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm.c new file mode 100644 index 000000000..6dffd7f4a --- /dev/null +++ b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm.c @@ -0,0 +1,640 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2012-2015, The Linux Foundation. All rights reserved. + */ + +#include <linux/clk.h> +#include <linux/clk-provider.h> + +#include "dsi_pll.h" +#include "dsi.xml.h" + +/* + * DSI PLL 28nm - clock diagram (eg: DSI0): + * + * dsi0analog_postdiv_clk + * | dsi0indirect_path_div2_clk + * | | + * +------+ | +----+ | |\ dsi0byte_mux + * dsi0vco_clk --o--| DIV1 |--o--| /2 |--o--| \ | + * | +------+ +----+ | m| | +----+ + * | | u|--o--| /4 |-- dsi0pllbyte + * | | x| +----+ + * o--------------------------| / + * | |/ + * | +------+ + * o----------| DIV3 |------------------------- dsi0pll + * +------+ + */ + +#define POLL_MAX_READS 10 +#define POLL_TIMEOUT_US 50 + +#define NUM_PROVIDED_CLKS 2 + +#define VCO_REF_CLK_RATE 19200000 +#define VCO_MIN_RATE 350000000 +#define VCO_MAX_RATE 750000000 + +#define DSI_BYTE_PLL_CLK 0 +#define DSI_PIXEL_PLL_CLK 1 + +#define LPFR_LUT_SIZE 10 +struct lpfr_cfg { + unsigned long vco_rate; + u32 resistance; +}; + +/* Loop filter resistance: */ +static const struct lpfr_cfg lpfr_lut[LPFR_LUT_SIZE] = { + { 479500000, 8 }, + { 480000000, 11 }, + { 575500000, 8 }, + { 576000000, 12 }, + { 610500000, 8 }, + { 659500000, 9 }, + { 671500000, 10 }, + { 672000000, 14 }, + { 708500000, 10 }, + { 750000000, 11 }, +}; + +struct pll_28nm_cached_state { + unsigned long vco_rate; + u8 postdiv3; + u8 postdiv1; + u8 byte_mux; +}; + +struct dsi_pll_28nm { + struct msm_dsi_pll base; + + int id; + struct platform_device *pdev; + void __iomem *mmio; + + int vco_delay; + + /* private clocks: */ + struct clk *clks[NUM_DSI_CLOCKS_MAX]; + u32 num_clks; + + /* clock-provider: */ + struct clk *provided_clks[NUM_PROVIDED_CLKS]; + struct clk_onecell_data clk_data; + + struct pll_28nm_cached_state cached_state; +}; + +#define to_pll_28nm(x) container_of(x, struct dsi_pll_28nm, base) + +static bool pll_28nm_poll_for_ready(struct dsi_pll_28nm *pll_28nm, + u32 nb_tries, u32 timeout_us) +{ + bool pll_locked = false; + u32 val; + + while (nb_tries--) { + val = pll_read(pll_28nm->mmio + REG_DSI_28nm_PHY_PLL_STATUS); + pll_locked = !!(val & DSI_28nm_PHY_PLL_STATUS_PLL_RDY); + + if (pll_locked) + break; + + udelay(timeout_us); + } + DBG("DSI PLL is %slocked", pll_locked ? "" : "*not* "); + + return pll_locked; +} + +static void pll_28nm_software_reset(struct dsi_pll_28nm *pll_28nm) +{ + void __iomem *base = pll_28nm->mmio; + + /* + * Add HW recommended delays after toggling the software + * reset bit off and back on. + */ + pll_write_udelay(base + REG_DSI_28nm_PHY_PLL_TEST_CFG, + DSI_28nm_PHY_PLL_TEST_CFG_PLL_SW_RESET, 1); + pll_write_udelay(base + REG_DSI_28nm_PHY_PLL_TEST_CFG, 0x00, 1); +} + +/* + * Clock Callbacks + */ +static int dsi_pll_28nm_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct msm_dsi_pll *pll = hw_clk_to_pll(hw); + struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); + struct device *dev = &pll_28nm->pdev->dev; + void __iomem *base = pll_28nm->mmio; + unsigned long div_fbx1000, gen_vco_clk; + u32 refclk_cfg, frac_n_mode, frac_n_value; + u32 sdm_cfg0, sdm_cfg1, sdm_cfg2, sdm_cfg3; + u32 cal_cfg10, cal_cfg11; + u32 rem; + int i; + + VERB("rate=%lu, parent's=%lu", rate, parent_rate); + + /* Force postdiv2 to be div-4 */ + pll_write(base + REG_DSI_28nm_PHY_PLL_POSTDIV2_CFG, 3); + + /* Configure the Loop filter resistance */ + for (i = 0; i < LPFR_LUT_SIZE; i++) + if (rate <= lpfr_lut[i].vco_rate) + break; + if (i == LPFR_LUT_SIZE) { + DRM_DEV_ERROR(dev, "unable to get loop filter resistance. vco=%lu\n", + rate); + return -EINVAL; + } + pll_write(base + REG_DSI_28nm_PHY_PLL_LPFR_CFG, lpfr_lut[i].resistance); + + /* Loop filter capacitance values : c1 and c2 */ + pll_write(base + REG_DSI_28nm_PHY_PLL_LPFC1_CFG, 0x70); + pll_write(base + REG_DSI_28nm_PHY_PLL_LPFC2_CFG, 0x15); + + rem = rate % VCO_REF_CLK_RATE; + if (rem) { + refclk_cfg = DSI_28nm_PHY_PLL_REFCLK_CFG_DBLR; + frac_n_mode = 1; + div_fbx1000 = rate / (VCO_REF_CLK_RATE / 500); + gen_vco_clk = div_fbx1000 * (VCO_REF_CLK_RATE / 500); + } else { + refclk_cfg = 0x0; + frac_n_mode = 0; + div_fbx1000 = rate / (VCO_REF_CLK_RATE / 1000); + gen_vco_clk = div_fbx1000 * (VCO_REF_CLK_RATE / 1000); + } + + DBG("refclk_cfg = %d", refclk_cfg); + + rem = div_fbx1000 % 1000; + frac_n_value = (rem << 16) / 1000; + + DBG("div_fb = %lu", div_fbx1000); + DBG("frac_n_value = %d", frac_n_value); + + DBG("Generated VCO Clock: %lu", gen_vco_clk); + rem = 0; + sdm_cfg1 = pll_read(base + REG_DSI_28nm_PHY_PLL_SDM_CFG1); + sdm_cfg1 &= ~DSI_28nm_PHY_PLL_SDM_CFG1_DC_OFFSET__MASK; + if (frac_n_mode) { + sdm_cfg0 = 0x0; + sdm_cfg0 |= DSI_28nm_PHY_PLL_SDM_CFG0_BYP_DIV(0); + sdm_cfg1 |= DSI_28nm_PHY_PLL_SDM_CFG1_DC_OFFSET( + (u32)(((div_fbx1000 / 1000) & 0x3f) - 1)); + sdm_cfg3 = frac_n_value >> 8; + sdm_cfg2 = frac_n_value & 0xff; + } else { + sdm_cfg0 = DSI_28nm_PHY_PLL_SDM_CFG0_BYP; + sdm_cfg0 |= DSI_28nm_PHY_PLL_SDM_CFG0_BYP_DIV( + (u32)(((div_fbx1000 / 1000) & 0x3f) - 1)); + sdm_cfg1 |= DSI_28nm_PHY_PLL_SDM_CFG1_DC_OFFSET(0); + sdm_cfg2 = 0; + sdm_cfg3 = 0; + } + + DBG("sdm_cfg0=%d", sdm_cfg0); + DBG("sdm_cfg1=%d", sdm_cfg1); + DBG("sdm_cfg2=%d", sdm_cfg2); + DBG("sdm_cfg3=%d", sdm_cfg3); + + cal_cfg11 = (u32)(gen_vco_clk / (256 * 1000000)); + cal_cfg10 = (u32)((gen_vco_clk % (256 * 1000000)) / 1000000); + DBG("cal_cfg10=%d, cal_cfg11=%d", cal_cfg10, cal_cfg11); + + pll_write(base + REG_DSI_28nm_PHY_PLL_CHGPUMP_CFG, 0x02); + pll_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG3, 0x2b); + pll_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG4, 0x06); + pll_write(base + REG_DSI_28nm_PHY_PLL_LKDET_CFG2, 0x0d); + + pll_write(base + REG_DSI_28nm_PHY_PLL_SDM_CFG1, sdm_cfg1); + pll_write(base + REG_DSI_28nm_PHY_PLL_SDM_CFG2, + DSI_28nm_PHY_PLL_SDM_CFG2_FREQ_SEED_7_0(sdm_cfg2)); + pll_write(base + REG_DSI_28nm_PHY_PLL_SDM_CFG3, + DSI_28nm_PHY_PLL_SDM_CFG3_FREQ_SEED_15_8(sdm_cfg3)); + pll_write(base + REG_DSI_28nm_PHY_PLL_SDM_CFG4, 0x00); + + /* Add hardware recommended delay for correct PLL configuration */ + if (pll_28nm->vco_delay) + udelay(pll_28nm->vco_delay); + + pll_write(base + REG_DSI_28nm_PHY_PLL_REFCLK_CFG, refclk_cfg); + pll_write(base + REG_DSI_28nm_PHY_PLL_PWRGEN_CFG, 0x00); + pll_write(base + REG_DSI_28nm_PHY_PLL_VCOLPF_CFG, 0x31); + pll_write(base + REG_DSI_28nm_PHY_PLL_SDM_CFG0, sdm_cfg0); + pll_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG0, 0x12); + pll_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG6, 0x30); + pll_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG7, 0x00); + pll_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG8, 0x60); + pll_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG9, 0x00); + pll_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG10, cal_cfg10 & 0xff); + pll_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG11, cal_cfg11 & 0xff); + pll_write(base + REG_DSI_28nm_PHY_PLL_EFUSE_CFG, 0x20); + + return 0; +} + +static int dsi_pll_28nm_clk_is_enabled(struct clk_hw *hw) +{ + struct msm_dsi_pll *pll = hw_clk_to_pll(hw); + struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); + + return pll_28nm_poll_for_ready(pll_28nm, POLL_MAX_READS, + POLL_TIMEOUT_US); +} + +static unsigned long dsi_pll_28nm_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct msm_dsi_pll *pll = hw_clk_to_pll(hw); + struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); + void __iomem *base = pll_28nm->mmio; + u32 sdm0, doubler, sdm_byp_div; + u32 sdm_dc_off, sdm_freq_seed, sdm2, sdm3; + u32 ref_clk = VCO_REF_CLK_RATE; + unsigned long vco_rate; + + VERB("parent_rate=%lu", parent_rate); + + /* Check to see if the ref clk doubler is enabled */ + doubler = pll_read(base + REG_DSI_28nm_PHY_PLL_REFCLK_CFG) & + DSI_28nm_PHY_PLL_REFCLK_CFG_DBLR; + ref_clk += (doubler * VCO_REF_CLK_RATE); + + /* see if it is integer mode or sdm mode */ + sdm0 = pll_read(base + REG_DSI_28nm_PHY_PLL_SDM_CFG0); + if (sdm0 & DSI_28nm_PHY_PLL_SDM_CFG0_BYP) { + /* integer mode */ + sdm_byp_div = FIELD( + pll_read(base + REG_DSI_28nm_PHY_PLL_SDM_CFG0), + DSI_28nm_PHY_PLL_SDM_CFG0_BYP_DIV) + 1; + vco_rate = ref_clk * sdm_byp_div; + } else { + /* sdm mode */ + sdm_dc_off = FIELD( + pll_read(base + REG_DSI_28nm_PHY_PLL_SDM_CFG1), + DSI_28nm_PHY_PLL_SDM_CFG1_DC_OFFSET); + DBG("sdm_dc_off = %d", sdm_dc_off); + sdm2 = FIELD(pll_read(base + REG_DSI_28nm_PHY_PLL_SDM_CFG2), + DSI_28nm_PHY_PLL_SDM_CFG2_FREQ_SEED_7_0); + sdm3 = FIELD(pll_read(base + REG_DSI_28nm_PHY_PLL_SDM_CFG3), + DSI_28nm_PHY_PLL_SDM_CFG3_FREQ_SEED_15_8); + sdm_freq_seed = (sdm3 << 8) | sdm2; + DBG("sdm_freq_seed = %d", sdm_freq_seed); + + vco_rate = (ref_clk * (sdm_dc_off + 1)) + + mult_frac(ref_clk, sdm_freq_seed, BIT(16)); + DBG("vco rate = %lu", vco_rate); + } + + DBG("returning vco rate = %lu", vco_rate); + + return vco_rate; +} + +static const struct clk_ops clk_ops_dsi_pll_28nm_vco = { + .round_rate = msm_dsi_pll_helper_clk_round_rate, + .set_rate = dsi_pll_28nm_clk_set_rate, + .recalc_rate = dsi_pll_28nm_clk_recalc_rate, + .prepare = msm_dsi_pll_helper_clk_prepare, + .unprepare = msm_dsi_pll_helper_clk_unprepare, + .is_enabled = dsi_pll_28nm_clk_is_enabled, +}; + +/* + * PLL Callbacks + */ +static int dsi_pll_28nm_enable_seq_hpm(struct msm_dsi_pll *pll) +{ + struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); + struct device *dev = &pll_28nm->pdev->dev; + void __iomem *base = pll_28nm->mmio; + u32 max_reads = 5, timeout_us = 100; + bool locked; + u32 val; + int i; + + DBG("id=%d", pll_28nm->id); + + pll_28nm_software_reset(pll_28nm); + + /* + * PLL power up sequence. + * Add necessary delays recommended by hardware. + */ + val = DSI_28nm_PHY_PLL_GLB_CFG_PLL_PWRDN_B; + pll_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 1); + + val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_PWRGEN_PWRDN_B; + pll_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 200); + + val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_LDO_PWRDN_B; + pll_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 500); + + val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_ENABLE; + pll_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 600); + + for (i = 0; i < 2; i++) { + /* DSI Uniphy lock detect setting */ + pll_write_udelay(base + REG_DSI_28nm_PHY_PLL_LKDET_CFG2, + 0x0c, 100); + pll_write(base + REG_DSI_28nm_PHY_PLL_LKDET_CFG2, 0x0d); + + /* poll for PLL ready status */ + locked = pll_28nm_poll_for_ready(pll_28nm, + max_reads, timeout_us); + if (locked) + break; + + pll_28nm_software_reset(pll_28nm); + + /* + * PLL power up sequence. + * Add necessary delays recommended by hardware. + */ + val = DSI_28nm_PHY_PLL_GLB_CFG_PLL_PWRDN_B; + pll_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 1); + + val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_PWRGEN_PWRDN_B; + pll_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 200); + + val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_LDO_PWRDN_B; + pll_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 250); + + val &= ~DSI_28nm_PHY_PLL_GLB_CFG_PLL_LDO_PWRDN_B; + pll_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 200); + + val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_LDO_PWRDN_B; + pll_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 500); + + val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_ENABLE; + pll_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 600); + } + + if (unlikely(!locked)) + DRM_DEV_ERROR(dev, "DSI PLL lock failed\n"); + else + DBG("DSI PLL Lock success"); + + return locked ? 0 : -EINVAL; +} + +static int dsi_pll_28nm_enable_seq_lp(struct msm_dsi_pll *pll) +{ + struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); + struct device *dev = &pll_28nm->pdev->dev; + void __iomem *base = pll_28nm->mmio; + bool locked; + u32 max_reads = 10, timeout_us = 50; + u32 val; + + DBG("id=%d", pll_28nm->id); + + pll_28nm_software_reset(pll_28nm); + + /* + * PLL power up sequence. + * Add necessary delays recommended by hardware. + */ + pll_write_ndelay(base + REG_DSI_28nm_PHY_PLL_CAL_CFG1, 0x34, 500); + + val = DSI_28nm_PHY_PLL_GLB_CFG_PLL_PWRDN_B; + pll_write_ndelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 500); + + val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_PWRGEN_PWRDN_B; + pll_write_ndelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 500); + + val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_LDO_PWRDN_B | + DSI_28nm_PHY_PLL_GLB_CFG_PLL_ENABLE; + pll_write_ndelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 500); + + /* DSI PLL toggle lock detect setting */ + pll_write_ndelay(base + REG_DSI_28nm_PHY_PLL_LKDET_CFG2, 0x04, 500); + pll_write_udelay(base + REG_DSI_28nm_PHY_PLL_LKDET_CFG2, 0x05, 512); + + locked = pll_28nm_poll_for_ready(pll_28nm, max_reads, timeout_us); + + if (unlikely(!locked)) + DRM_DEV_ERROR(dev, "DSI PLL lock failed\n"); + else + DBG("DSI PLL lock success"); + + return locked ? 0 : -EINVAL; +} + +static void dsi_pll_28nm_disable_seq(struct msm_dsi_pll *pll) +{ + struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); + + DBG("id=%d", pll_28nm->id); + pll_write(pll_28nm->mmio + REG_DSI_28nm_PHY_PLL_GLB_CFG, 0x00); +} + +static void dsi_pll_28nm_save_state(struct msm_dsi_pll *pll) +{ + struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); + struct pll_28nm_cached_state *cached_state = &pll_28nm->cached_state; + void __iomem *base = pll_28nm->mmio; + + cached_state->postdiv3 = + pll_read(base + REG_DSI_28nm_PHY_PLL_POSTDIV3_CFG); + cached_state->postdiv1 = + pll_read(base + REG_DSI_28nm_PHY_PLL_POSTDIV1_CFG); + cached_state->byte_mux = pll_read(base + REG_DSI_28nm_PHY_PLL_VREG_CFG); + cached_state->vco_rate = clk_hw_get_rate(&pll->clk_hw); +} + +static int dsi_pll_28nm_restore_state(struct msm_dsi_pll *pll) +{ + struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); + struct pll_28nm_cached_state *cached_state = &pll_28nm->cached_state; + void __iomem *base = pll_28nm->mmio; + int ret; + + ret = dsi_pll_28nm_clk_set_rate(&pll->clk_hw, + cached_state->vco_rate, 0); + if (ret) { + DRM_DEV_ERROR(&pll_28nm->pdev->dev, + "restore vco rate failed. ret=%d\n", ret); + return ret; + } + + pll_write(base + REG_DSI_28nm_PHY_PLL_POSTDIV3_CFG, + cached_state->postdiv3); + pll_write(base + REG_DSI_28nm_PHY_PLL_POSTDIV1_CFG, + cached_state->postdiv1); + pll_write(base + REG_DSI_28nm_PHY_PLL_VREG_CFG, + cached_state->byte_mux); + + return 0; +} + +static int dsi_pll_28nm_get_provider(struct msm_dsi_pll *pll, + struct clk **byte_clk_provider, + struct clk **pixel_clk_provider) +{ + struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); + + if (byte_clk_provider) + *byte_clk_provider = pll_28nm->provided_clks[DSI_BYTE_PLL_CLK]; + if (pixel_clk_provider) + *pixel_clk_provider = + pll_28nm->provided_clks[DSI_PIXEL_PLL_CLK]; + + return 0; +} + +static void dsi_pll_28nm_destroy(struct msm_dsi_pll *pll) +{ + struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); + int i; + + msm_dsi_pll_helper_unregister_clks(pll_28nm->pdev, + pll_28nm->clks, pll_28nm->num_clks); + + for (i = 0; i < NUM_PROVIDED_CLKS; i++) + pll_28nm->provided_clks[i] = NULL; + + pll_28nm->num_clks = 0; + pll_28nm->clk_data.clks = NULL; + pll_28nm->clk_data.clk_num = 0; +} + +static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm) +{ + char clk_name[32], parent1[32], parent2[32], vco_name[32]; + struct clk_init_data vco_init = { + .parent_names = (const char *[]){ "xo" }, + .num_parents = 1, + .name = vco_name, + .flags = CLK_IGNORE_UNUSED, + .ops = &clk_ops_dsi_pll_28nm_vco, + }; + struct device *dev = &pll_28nm->pdev->dev; + struct clk **clks = pll_28nm->clks; + struct clk **provided_clks = pll_28nm->provided_clks; + int num = 0; + int ret; + + DBG("%d", pll_28nm->id); + + snprintf(vco_name, 32, "dsi%dvco_clk", pll_28nm->id); + pll_28nm->base.clk_hw.init = &vco_init; + clks[num++] = clk_register(dev, &pll_28nm->base.clk_hw); + + snprintf(clk_name, 32, "dsi%danalog_postdiv_clk", pll_28nm->id); + snprintf(parent1, 32, "dsi%dvco_clk", pll_28nm->id); + clks[num++] = clk_register_divider(dev, clk_name, + parent1, CLK_SET_RATE_PARENT, + pll_28nm->mmio + + REG_DSI_28nm_PHY_PLL_POSTDIV1_CFG, + 0, 4, 0, NULL); + + snprintf(clk_name, 32, "dsi%dindirect_path_div2_clk", pll_28nm->id); + snprintf(parent1, 32, "dsi%danalog_postdiv_clk", pll_28nm->id); + clks[num++] = clk_register_fixed_factor(dev, clk_name, + parent1, CLK_SET_RATE_PARENT, + 1, 2); + + snprintf(clk_name, 32, "dsi%dpll", pll_28nm->id); + snprintf(parent1, 32, "dsi%dvco_clk", pll_28nm->id); + clks[num++] = provided_clks[DSI_PIXEL_PLL_CLK] = + clk_register_divider(dev, clk_name, + parent1, 0, pll_28nm->mmio + + REG_DSI_28nm_PHY_PLL_POSTDIV3_CFG, + 0, 8, 0, NULL); + + snprintf(clk_name, 32, "dsi%dbyte_mux", pll_28nm->id); + snprintf(parent1, 32, "dsi%dvco_clk", pll_28nm->id); + snprintf(parent2, 32, "dsi%dindirect_path_div2_clk", pll_28nm->id); + clks[num++] = clk_register_mux(dev, clk_name, + ((const char *[]){ + parent1, parent2 + }), 2, CLK_SET_RATE_PARENT, pll_28nm->mmio + + REG_DSI_28nm_PHY_PLL_VREG_CFG, 1, 1, 0, NULL); + + snprintf(clk_name, 32, "dsi%dpllbyte", pll_28nm->id); + snprintf(parent1, 32, "dsi%dbyte_mux", pll_28nm->id); + clks[num++] = provided_clks[DSI_BYTE_PLL_CLK] = + clk_register_fixed_factor(dev, clk_name, + parent1, CLK_SET_RATE_PARENT, 1, 4); + + pll_28nm->num_clks = num; + + pll_28nm->clk_data.clk_num = NUM_PROVIDED_CLKS; + pll_28nm->clk_data.clks = provided_clks; + + ret = of_clk_add_provider(dev->of_node, + of_clk_src_onecell_get, &pll_28nm->clk_data); + if (ret) { + DRM_DEV_ERROR(dev, "failed to register clk provider: %d\n", ret); + return ret; + } + + return 0; +} + +struct msm_dsi_pll *msm_dsi_pll_28nm_init(struct platform_device *pdev, + enum msm_dsi_phy_type type, int id) +{ + struct dsi_pll_28nm *pll_28nm; + struct msm_dsi_pll *pll; + int ret; + + if (!pdev) + return ERR_PTR(-ENODEV); + + pll_28nm = devm_kzalloc(&pdev->dev, sizeof(*pll_28nm), GFP_KERNEL); + if (!pll_28nm) + return ERR_PTR(-ENOMEM); + + pll_28nm->pdev = pdev; + pll_28nm->id = id; + + pll_28nm->mmio = msm_ioremap(pdev, "dsi_pll", "DSI_PLL"); + if (IS_ERR_OR_NULL(pll_28nm->mmio)) { + DRM_DEV_ERROR(&pdev->dev, "%s: failed to map pll base\n", __func__); + return ERR_PTR(-ENOMEM); + } + + pll = &pll_28nm->base; + pll->min_rate = VCO_MIN_RATE; + pll->max_rate = VCO_MAX_RATE; + pll->get_provider = dsi_pll_28nm_get_provider; + pll->destroy = dsi_pll_28nm_destroy; + pll->disable_seq = dsi_pll_28nm_disable_seq; + pll->save_state = dsi_pll_28nm_save_state; + pll->restore_state = dsi_pll_28nm_restore_state; + + if (type == MSM_DSI_PHY_28NM_HPM) { + pll_28nm->vco_delay = 1; + + pll->en_seq_cnt = 3; + pll->enable_seqs[0] = dsi_pll_28nm_enable_seq_hpm; + pll->enable_seqs[1] = dsi_pll_28nm_enable_seq_hpm; + pll->enable_seqs[2] = dsi_pll_28nm_enable_seq_hpm; + } else if (type == MSM_DSI_PHY_28NM_LP) { + pll_28nm->vco_delay = 1000; + + pll->en_seq_cnt = 1; + pll->enable_seqs[0] = dsi_pll_28nm_enable_seq_lp; + } else { + DRM_DEV_ERROR(&pdev->dev, "phy type (%d) is not 28nm\n", type); + return ERR_PTR(-EINVAL); + } + + ret = pll_28nm_register(pll_28nm); + if (ret) { + DRM_DEV_ERROR(&pdev->dev, "failed to register PLL: %d\n", ret); + return ERR_PTR(ret); + } + + return pll; +} + diff --git a/drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm_8960.c b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm_8960.c new file mode 100644 index 000000000..a6e7a2525 --- /dev/null +++ b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm_8960.c @@ -0,0 +1,526 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2012-2015, The Linux Foundation. All rights reserved. + */ + +#include <linux/clk-provider.h> + +#include "dsi_pll.h" +#include "dsi.xml.h" + +/* + * DSI PLL 28nm (8960/A family) - clock diagram (eg: DSI1): + * + * + * +------+ + * dsi1vco_clk ----o-----| DIV1 |---dsi1pllbit (not exposed as clock) + * F * byte_clk | +------+ + * | bit clock divider (F / 8) + * | + * | +------+ + * o-----| DIV2 |---dsi0pllbyte---o---> To byte RCG + * | +------+ | (sets parent rate) + * | byte clock divider (F) | + * | | + * | o---> To esc RCG + * | (doesn't set parent rate) + * | + * | +------+ + * o-----| DIV3 |----dsi0pll------o---> To dsi RCG + * +------+ | (sets parent rate) + * dsi clock divider (F * magic) | + * | + * o---> To pixel rcg + * (doesn't set parent rate) + */ + +#define POLL_MAX_READS 8000 +#define POLL_TIMEOUT_US 1 + +#define NUM_PROVIDED_CLKS 2 + +#define VCO_REF_CLK_RATE 27000000 +#define VCO_MIN_RATE 600000000 +#define VCO_MAX_RATE 1200000000 + +#define DSI_BYTE_PLL_CLK 0 +#define DSI_PIXEL_PLL_CLK 1 + +#define VCO_PREF_DIV_RATIO 27 + +struct pll_28nm_cached_state { + unsigned long vco_rate; + u8 postdiv3; + u8 postdiv2; + u8 postdiv1; +}; + +struct clk_bytediv { + struct clk_hw hw; + void __iomem *reg; +}; + +struct dsi_pll_28nm { + struct msm_dsi_pll base; + + int id; + struct platform_device *pdev; + void __iomem *mmio; + + /* custom byte clock divider */ + struct clk_bytediv *bytediv; + + /* private clocks: */ + struct clk *clks[NUM_DSI_CLOCKS_MAX]; + u32 num_clks; + + /* clock-provider: */ + struct clk *provided_clks[NUM_PROVIDED_CLKS]; + struct clk_onecell_data clk_data; + + struct pll_28nm_cached_state cached_state; +}; + +#define to_pll_28nm(x) container_of(x, struct dsi_pll_28nm, base) + +static bool pll_28nm_poll_for_ready(struct dsi_pll_28nm *pll_28nm, + int nb_tries, int timeout_us) +{ + bool pll_locked = false; + u32 val; + + while (nb_tries--) { + val = pll_read(pll_28nm->mmio + REG_DSI_28nm_8960_PHY_PLL_RDY); + pll_locked = !!(val & DSI_28nm_8960_PHY_PLL_RDY_PLL_RDY); + + if (pll_locked) + break; + + udelay(timeout_us); + } + DBG("DSI PLL is %slocked", pll_locked ? "" : "*not* "); + + return pll_locked; +} + +/* + * Clock Callbacks + */ +static int dsi_pll_28nm_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct msm_dsi_pll *pll = hw_clk_to_pll(hw); + struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); + void __iomem *base = pll_28nm->mmio; + u32 val, temp, fb_divider; + + DBG("rate=%lu, parent's=%lu", rate, parent_rate); + + temp = rate / 10; + val = VCO_REF_CLK_RATE / 10; + fb_divider = (temp * VCO_PREF_DIV_RATIO) / val; + fb_divider = fb_divider / 2 - 1; + pll_write(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_1, + fb_divider & 0xff); + + val = pll_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_2); + + val |= (fb_divider >> 8) & 0x07; + + pll_write(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_2, + val); + + val = pll_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_3); + + val |= (VCO_PREF_DIV_RATIO - 1) & 0x3f; + + pll_write(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_3, + val); + + pll_write(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_6, + 0xf); + + val = pll_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_8); + val |= 0x7 << 4; + pll_write(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_8, + val); + + return 0; +} + +static int dsi_pll_28nm_clk_is_enabled(struct clk_hw *hw) +{ + struct msm_dsi_pll *pll = hw_clk_to_pll(hw); + struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); + + return pll_28nm_poll_for_ready(pll_28nm, POLL_MAX_READS, + POLL_TIMEOUT_US); +} + +static unsigned long dsi_pll_28nm_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct msm_dsi_pll *pll = hw_clk_to_pll(hw); + struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); + void __iomem *base = pll_28nm->mmio; + unsigned long vco_rate; + u32 status, fb_divider, temp, ref_divider; + + VERB("parent_rate=%lu", parent_rate); + + status = pll_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_0); + + if (status & DSI_28nm_8960_PHY_PLL_CTRL_0_ENABLE) { + fb_divider = pll_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_1); + fb_divider &= 0xff; + temp = pll_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_2) & 0x07; + fb_divider = (temp << 8) | fb_divider; + fb_divider += 1; + + ref_divider = pll_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_3); + ref_divider &= 0x3f; + ref_divider += 1; + + /* multiply by 2 */ + vco_rate = (parent_rate / ref_divider) * fb_divider * 2; + } else { + vco_rate = 0; + } + + DBG("returning vco rate = %lu", vco_rate); + + return vco_rate; +} + +static const struct clk_ops clk_ops_dsi_pll_28nm_vco = { + .round_rate = msm_dsi_pll_helper_clk_round_rate, + .set_rate = dsi_pll_28nm_clk_set_rate, + .recalc_rate = dsi_pll_28nm_clk_recalc_rate, + .prepare = msm_dsi_pll_helper_clk_prepare, + .unprepare = msm_dsi_pll_helper_clk_unprepare, + .is_enabled = dsi_pll_28nm_clk_is_enabled, +}; + +/* + * Custom byte clock divier clk_ops + * + * This clock is the entry point to configuring the PLL. The user (dsi host) + * will set this clock's rate to the desired byte clock rate. The VCO lock + * frequency is a multiple of the byte clock rate. The multiplication factor + * (shown as F in the diagram above) is a function of the byte clock rate. + * + * This custom divider clock ensures that its parent (VCO) is set to the + * desired rate, and that the byte clock postdivider (POSTDIV2) is configured + * accordingly + */ +#define to_clk_bytediv(_hw) container_of(_hw, struct clk_bytediv, hw) + +static unsigned long clk_bytediv_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_bytediv *bytediv = to_clk_bytediv(hw); + unsigned int div; + + div = pll_read(bytediv->reg) & 0xff; + + return parent_rate / (div + 1); +} + +/* find multiplication factor(wrt byte clock) at which the VCO should be set */ +static unsigned int get_vco_mul_factor(unsigned long byte_clk_rate) +{ + unsigned long bit_mhz; + + /* convert to bit clock in Mhz */ + bit_mhz = (byte_clk_rate * 8) / 1000000; + + if (bit_mhz < 125) + return 64; + else if (bit_mhz < 250) + return 32; + else if (bit_mhz < 600) + return 16; + else + return 8; +} + +static long clk_bytediv_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + unsigned long best_parent; + unsigned int factor; + + factor = get_vco_mul_factor(rate); + + best_parent = rate * factor; + *prate = clk_hw_round_rate(clk_hw_get_parent(hw), best_parent); + + return *prate / factor; +} + +static int clk_bytediv_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct clk_bytediv *bytediv = to_clk_bytediv(hw); + u32 val; + unsigned int factor; + + factor = get_vco_mul_factor(rate); + + val = pll_read(bytediv->reg); + val |= (factor - 1) & 0xff; + pll_write(bytediv->reg, val); + + return 0; +} + +/* Our special byte clock divider ops */ +static const struct clk_ops clk_bytediv_ops = { + .round_rate = clk_bytediv_round_rate, + .set_rate = clk_bytediv_set_rate, + .recalc_rate = clk_bytediv_recalc_rate, +}; + +/* + * PLL Callbacks + */ +static int dsi_pll_28nm_enable_seq(struct msm_dsi_pll *pll) +{ + struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); + struct device *dev = &pll_28nm->pdev->dev; + void __iomem *base = pll_28nm->mmio; + bool locked; + unsigned int bit_div, byte_div; + int max_reads = 1000, timeout_us = 100; + u32 val; + + DBG("id=%d", pll_28nm->id); + + /* + * before enabling the PLL, configure the bit clock divider since we + * don't expose it as a clock to the outside world + * 1: read back the byte clock divider that should already be set + * 2: divide by 8 to get bit clock divider + * 3: write it to POSTDIV1 + */ + val = pll_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_9); + byte_div = val + 1; + bit_div = byte_div / 8; + + val = pll_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_8); + val &= ~0xf; + val |= (bit_div - 1); + pll_write(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_8, val); + + /* enable the PLL */ + pll_write(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_0, + DSI_28nm_8960_PHY_PLL_CTRL_0_ENABLE); + + locked = pll_28nm_poll_for_ready(pll_28nm, max_reads, timeout_us); + + if (unlikely(!locked)) + DRM_DEV_ERROR(dev, "DSI PLL lock failed\n"); + else + DBG("DSI PLL lock success"); + + return locked ? 0 : -EINVAL; +} + +static void dsi_pll_28nm_disable_seq(struct msm_dsi_pll *pll) +{ + struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); + + DBG("id=%d", pll_28nm->id); + pll_write(pll_28nm->mmio + REG_DSI_28nm_8960_PHY_PLL_CTRL_0, 0x00); +} + +static void dsi_pll_28nm_save_state(struct msm_dsi_pll *pll) +{ + struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); + struct pll_28nm_cached_state *cached_state = &pll_28nm->cached_state; + void __iomem *base = pll_28nm->mmio; + + cached_state->postdiv3 = + pll_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_10); + cached_state->postdiv2 = + pll_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_9); + cached_state->postdiv1 = + pll_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_8); + + cached_state->vco_rate = clk_hw_get_rate(&pll->clk_hw); +} + +static int dsi_pll_28nm_restore_state(struct msm_dsi_pll *pll) +{ + struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); + struct pll_28nm_cached_state *cached_state = &pll_28nm->cached_state; + void __iomem *base = pll_28nm->mmio; + int ret; + + ret = dsi_pll_28nm_clk_set_rate(&pll->clk_hw, + cached_state->vco_rate, 0); + if (ret) { + DRM_DEV_ERROR(&pll_28nm->pdev->dev, + "restore vco rate failed. ret=%d\n", ret); + return ret; + } + + pll_write(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_10, + cached_state->postdiv3); + pll_write(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_9, + cached_state->postdiv2); + pll_write(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_8, + cached_state->postdiv1); + + return 0; +} + +static int dsi_pll_28nm_get_provider(struct msm_dsi_pll *pll, + struct clk **byte_clk_provider, + struct clk **pixel_clk_provider) +{ + struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); + + if (byte_clk_provider) + *byte_clk_provider = pll_28nm->provided_clks[DSI_BYTE_PLL_CLK]; + if (pixel_clk_provider) + *pixel_clk_provider = + pll_28nm->provided_clks[DSI_PIXEL_PLL_CLK]; + + return 0; +} + +static void dsi_pll_28nm_destroy(struct msm_dsi_pll *pll) +{ + struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); + + msm_dsi_pll_helper_unregister_clks(pll_28nm->pdev, + pll_28nm->clks, pll_28nm->num_clks); +} + +static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm) +{ + char *clk_name, *parent_name, *vco_name; + struct clk_init_data vco_init = { + .parent_names = (const char *[]){ "pxo" }, + .num_parents = 1, + .flags = CLK_IGNORE_UNUSED, + .ops = &clk_ops_dsi_pll_28nm_vco, + }; + struct device *dev = &pll_28nm->pdev->dev; + struct clk **clks = pll_28nm->clks; + struct clk **provided_clks = pll_28nm->provided_clks; + struct clk_bytediv *bytediv; + struct clk_init_data bytediv_init = { }; + int ret, num = 0; + + DBG("%d", pll_28nm->id); + + bytediv = devm_kzalloc(dev, sizeof(*bytediv), GFP_KERNEL); + if (!bytediv) + return -ENOMEM; + + vco_name = devm_kzalloc(dev, 32, GFP_KERNEL); + if (!vco_name) + return -ENOMEM; + + parent_name = devm_kzalloc(dev, 32, GFP_KERNEL); + if (!parent_name) + return -ENOMEM; + + clk_name = devm_kzalloc(dev, 32, GFP_KERNEL); + if (!clk_name) + return -ENOMEM; + + pll_28nm->bytediv = bytediv; + + snprintf(vco_name, 32, "dsi%dvco_clk", pll_28nm->id); + vco_init.name = vco_name; + + pll_28nm->base.clk_hw.init = &vco_init; + + clks[num++] = clk_register(dev, &pll_28nm->base.clk_hw); + + /* prepare and register bytediv */ + bytediv->hw.init = &bytediv_init; + bytediv->reg = pll_28nm->mmio + REG_DSI_28nm_8960_PHY_PLL_CTRL_9; + + snprintf(parent_name, 32, "dsi%dvco_clk", pll_28nm->id); + snprintf(clk_name, 32, "dsi%dpllbyte", pll_28nm->id); + + bytediv_init.name = clk_name; + bytediv_init.ops = &clk_bytediv_ops; + bytediv_init.flags = CLK_SET_RATE_PARENT; + bytediv_init.parent_names = (const char * const *) &parent_name; + bytediv_init.num_parents = 1; + + /* DIV2 */ + clks[num++] = provided_clks[DSI_BYTE_PLL_CLK] = + clk_register(dev, &bytediv->hw); + + snprintf(clk_name, 32, "dsi%dpll", pll_28nm->id); + /* DIV3 */ + clks[num++] = provided_clks[DSI_PIXEL_PLL_CLK] = + clk_register_divider(dev, clk_name, + parent_name, 0, pll_28nm->mmio + + REG_DSI_28nm_8960_PHY_PLL_CTRL_10, + 0, 8, 0, NULL); + + pll_28nm->num_clks = num; + + pll_28nm->clk_data.clk_num = NUM_PROVIDED_CLKS; + pll_28nm->clk_data.clks = provided_clks; + + ret = of_clk_add_provider(dev->of_node, + of_clk_src_onecell_get, &pll_28nm->clk_data); + if (ret) { + DRM_DEV_ERROR(dev, "failed to register clk provider: %d\n", ret); + return ret; + } + + return 0; +} + +struct msm_dsi_pll *msm_dsi_pll_28nm_8960_init(struct platform_device *pdev, + int id) +{ + struct dsi_pll_28nm *pll_28nm; + struct msm_dsi_pll *pll; + int ret; + + if (!pdev) + return ERR_PTR(-ENODEV); + + pll_28nm = devm_kzalloc(&pdev->dev, sizeof(*pll_28nm), GFP_KERNEL); + if (!pll_28nm) + return ERR_PTR(-ENOMEM); + + pll_28nm->pdev = pdev; + pll_28nm->id = id + 1; + + pll_28nm->mmio = msm_ioremap(pdev, "dsi_pll", "DSI_PLL"); + if (IS_ERR_OR_NULL(pll_28nm->mmio)) { + DRM_DEV_ERROR(&pdev->dev, "%s: failed to map pll base\n", __func__); + return ERR_PTR(-ENOMEM); + } + + pll = &pll_28nm->base; + pll->min_rate = VCO_MIN_RATE; + pll->max_rate = VCO_MAX_RATE; + pll->get_provider = dsi_pll_28nm_get_provider; + pll->destroy = dsi_pll_28nm_destroy; + pll->disable_seq = dsi_pll_28nm_disable_seq; + pll->save_state = dsi_pll_28nm_save_state; + pll->restore_state = dsi_pll_28nm_restore_state; + + pll->en_seq_cnt = 1; + pll->enable_seqs[0] = dsi_pll_28nm_enable_seq; + + ret = pll_28nm_register(pll_28nm); + if (ret) { + DRM_DEV_ERROR(&pdev->dev, "failed to register PLL: %d\n", ret); + return ERR_PTR(ret); + } + + return pll; +} diff --git a/drivers/gpu/drm/msm/dsi/pll/dsi_pll_7nm.c b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_7nm.c new file mode 100644 index 000000000..c1c41846b --- /dev/null +++ b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_7nm.c @@ -0,0 +1,913 @@ +/* + * SPDX-License-Identifier: GPL-2.0 + * Copyright (c) 2018, The Linux Foundation + */ + +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/iopoll.h> + +#include "dsi_pll.h" +#include "dsi.xml.h" + +/* + * DSI PLL 7nm - clock diagram (eg: DSI0): TODO: updated CPHY diagram + * + * dsi0_pll_out_div_clk dsi0_pll_bit_clk + * | | + * | | + * +---------+ | +----------+ | +----+ + * dsi0vco_clk ---| out_div |--o--| divl_3_0 |--o--| /8 |-- dsi0_phy_pll_out_byteclk + * +---------+ | +----------+ | +----+ + * | | + * | | dsi0_pll_by_2_bit_clk + * | | | + * | | +----+ | |\ dsi0_pclk_mux + * | |--| /2 |--o--| \ | + * | | +----+ | \ | +---------+ + * | --------------| |--o--| div_7_4 |-- dsi0_phy_pll_out_dsiclk + * |------------------------------| / +---------+ + * | +-----+ | / + * -----------| /4? |--o----------|/ + * +-----+ | | + * | |dsiclk_sel + * | + * dsi0_pll_post_out_div_clk + */ + +#define DSI_BYTE_PLL_CLK 0 +#define DSI_PIXEL_PLL_CLK 1 +#define NUM_PROVIDED_CLKS 2 + +#define VCO_REF_CLK_RATE 19200000 + +struct dsi_pll_regs { + u32 pll_prop_gain_rate; + u32 pll_lockdet_rate; + u32 decimal_div_start; + u32 frac_div_start_low; + u32 frac_div_start_mid; + u32 frac_div_start_high; + u32 pll_clock_inverters; + u32 ssc_stepsize_low; + u32 ssc_stepsize_high; + u32 ssc_div_per_low; + u32 ssc_div_per_high; + u32 ssc_adjper_low; + u32 ssc_adjper_high; + u32 ssc_control; +}; + +struct dsi_pll_config { + u32 ref_freq; + bool div_override; + u32 output_div; + bool ignore_frac; + bool disable_prescaler; + bool enable_ssc; + bool ssc_center; + u32 dec_bits; + u32 frac_bits; + u32 lock_timer; + u32 ssc_freq; + u32 ssc_offset; + u32 ssc_adj_per; + u32 thresh_cycles; + u32 refclk_cycles; +}; + +struct pll_7nm_cached_state { + unsigned long vco_rate; + u8 bit_clk_div; + u8 pix_clk_div; + u8 pll_out_div; + u8 pll_mux; +}; + +struct dsi_pll_7nm { + struct msm_dsi_pll base; + + int id; + struct platform_device *pdev; + + void __iomem *phy_cmn_mmio; + void __iomem *mmio; + + u64 vco_ref_clk_rate; + u64 vco_current_rate; + + /* protects REG_DSI_7nm_PHY_CMN_CLK_CFG0 register */ + spinlock_t postdiv_lock; + + int vco_delay; + struct dsi_pll_config pll_configuration; + struct dsi_pll_regs reg_setup; + + /* private clocks: */ + struct clk_hw *out_div_clk_hw; + struct clk_hw *bit_clk_hw; + struct clk_hw *byte_clk_hw; + struct clk_hw *by_2_bit_clk_hw; + struct clk_hw *post_out_div_clk_hw; + struct clk_hw *pclk_mux_hw; + struct clk_hw *out_dsiclk_hw; + + /* clock-provider: */ + struct clk_hw_onecell_data *hw_data; + + struct pll_7nm_cached_state cached_state; + + enum msm_dsi_phy_usecase uc; + struct dsi_pll_7nm *slave; +}; + +#define to_pll_7nm(x) container_of(x, struct dsi_pll_7nm, base) + +/* + * Global list of private DSI PLL struct pointers. We need this for Dual DSI + * mode, where the master PLL's clk_ops needs access the slave's private data + */ +static struct dsi_pll_7nm *pll_7nm_list[DSI_MAX]; + +static void dsi_pll_setup_config(struct dsi_pll_7nm *pll) +{ + struct dsi_pll_config *config = &pll->pll_configuration; + + config->ref_freq = pll->vco_ref_clk_rate; + config->output_div = 1; + config->dec_bits = 8; + config->frac_bits = 18; + config->lock_timer = 64; + config->ssc_freq = 31500; + config->ssc_offset = 4800; + config->ssc_adj_per = 2; + config->thresh_cycles = 32; + config->refclk_cycles = 256; + + config->div_override = false; + config->ignore_frac = false; + config->disable_prescaler = false; + + /* TODO: ssc enable */ + config->enable_ssc = false; + config->ssc_center = 0; +} + +static void dsi_pll_calc_dec_frac(struct dsi_pll_7nm *pll) +{ + struct dsi_pll_config *config = &pll->pll_configuration; + struct dsi_pll_regs *regs = &pll->reg_setup; + u64 fref = pll->vco_ref_clk_rate; + u64 pll_freq; + u64 divider; + u64 dec, dec_multiple; + u32 frac; + u64 multiplier; + + pll_freq = pll->vco_current_rate; + + if (config->disable_prescaler) + divider = fref; + else + divider = fref * 2; + + multiplier = 1 << config->frac_bits; + dec_multiple = div_u64(pll_freq * multiplier, divider); + div_u64_rem(dec_multiple, multiplier, &frac); + + dec = div_u64(dec_multiple, multiplier); + + if (pll->base.type != MSM_DSI_PHY_7NM_V4_1) + regs->pll_clock_inverters = 0x28; + else if (pll_freq <= 1000000000ULL) + regs->pll_clock_inverters = 0xa0; + else if (pll_freq <= 2500000000ULL) + regs->pll_clock_inverters = 0x20; + else if (pll_freq <= 3020000000ULL) + regs->pll_clock_inverters = 0x00; + else + regs->pll_clock_inverters = 0x40; + + regs->pll_lockdet_rate = config->lock_timer; + regs->decimal_div_start = dec; + regs->frac_div_start_low = (frac & 0xff); + regs->frac_div_start_mid = (frac & 0xff00) >> 8; + regs->frac_div_start_high = (frac & 0x30000) >> 16; +} + +#define SSC_CENTER BIT(0) +#define SSC_EN BIT(1) + +static void dsi_pll_calc_ssc(struct dsi_pll_7nm *pll) +{ + struct dsi_pll_config *config = &pll->pll_configuration; + struct dsi_pll_regs *regs = &pll->reg_setup; + u32 ssc_per; + u32 ssc_mod; + u64 ssc_step_size; + u64 frac; + + if (!config->enable_ssc) { + DBG("SSC not enabled\n"); + return; + } + + ssc_per = DIV_ROUND_CLOSEST(config->ref_freq, config->ssc_freq) / 2 - 1; + ssc_mod = (ssc_per + 1) % (config->ssc_adj_per + 1); + ssc_per -= ssc_mod; + + frac = regs->frac_div_start_low | + (regs->frac_div_start_mid << 8) | + (regs->frac_div_start_high << 16); + ssc_step_size = regs->decimal_div_start; + ssc_step_size *= (1 << config->frac_bits); + ssc_step_size += frac; + ssc_step_size *= config->ssc_offset; + ssc_step_size *= (config->ssc_adj_per + 1); + ssc_step_size = div_u64(ssc_step_size, (ssc_per + 1)); + ssc_step_size = DIV_ROUND_CLOSEST_ULL(ssc_step_size, 1000000); + + regs->ssc_div_per_low = ssc_per & 0xFF; + regs->ssc_div_per_high = (ssc_per & 0xFF00) >> 8; + regs->ssc_stepsize_low = (u32)(ssc_step_size & 0xFF); + regs->ssc_stepsize_high = (u32)((ssc_step_size & 0xFF00) >> 8); + regs->ssc_adjper_low = config->ssc_adj_per & 0xFF; + regs->ssc_adjper_high = (config->ssc_adj_per & 0xFF00) >> 8; + + regs->ssc_control = config->ssc_center ? SSC_CENTER : 0; + + pr_debug("SCC: Dec:%d, frac:%llu, frac_bits:%d\n", + regs->decimal_div_start, frac, config->frac_bits); + pr_debug("SSC: div_per:0x%X, stepsize:0x%X, adjper:0x%X\n", + ssc_per, (u32)ssc_step_size, config->ssc_adj_per); +} + +static void dsi_pll_ssc_commit(struct dsi_pll_7nm *pll) +{ + void __iomem *base = pll->mmio; + struct dsi_pll_regs *regs = &pll->reg_setup; + + if (pll->pll_configuration.enable_ssc) { + pr_debug("SSC is enabled\n"); + + pll_write(base + REG_DSI_7nm_PHY_PLL_SSC_STEPSIZE_LOW_1, + regs->ssc_stepsize_low); + pll_write(base + REG_DSI_7nm_PHY_PLL_SSC_STEPSIZE_HIGH_1, + regs->ssc_stepsize_high); + pll_write(base + REG_DSI_7nm_PHY_PLL_SSC_DIV_PER_LOW_1, + regs->ssc_div_per_low); + pll_write(base + REG_DSI_7nm_PHY_PLL_SSC_DIV_PER_HIGH_1, + regs->ssc_div_per_high); + pll_write(base + REG_DSI_7nm_PHY_PLL_SSC_ADJPER_LOW_1, + regs->ssc_adjper_low); + pll_write(base + REG_DSI_7nm_PHY_PLL_SSC_ADJPER_HIGH_1, + regs->ssc_adjper_high); + pll_write(base + REG_DSI_7nm_PHY_PLL_SSC_CONTROL, + SSC_EN | regs->ssc_control); + } +} + +static void dsi_pll_config_hzindep_reg(struct dsi_pll_7nm *pll) +{ + void __iomem *base = pll->mmio; + u8 analog_controls_five_1 = 0x01, vco_config_1 = 0x00; + + if (pll->base.type == MSM_DSI_PHY_7NM_V4_1) { + if (pll->vco_current_rate >= 3100000000ULL) + analog_controls_five_1 = 0x03; + + if (pll->vco_current_rate < 1520000000ULL) + vco_config_1 = 0x08; + else if (pll->vco_current_rate < 2990000000ULL) + vco_config_1 = 0x01; + } + + pll_write(base + REG_DSI_7nm_PHY_PLL_ANALOG_CONTROLS_FIVE_1, + analog_controls_five_1); + pll_write(base + REG_DSI_7nm_PHY_PLL_VCO_CONFIG_1, vco_config_1); + pll_write(base + REG_DSI_7nm_PHY_PLL_ANALOG_CONTROLS_FIVE, 0x01); + pll_write(base + REG_DSI_7nm_PHY_PLL_ANALOG_CONTROLS_TWO, 0x03); + pll_write(base + REG_DSI_7nm_PHY_PLL_ANALOG_CONTROLS_THREE, 0x00); + pll_write(base + REG_DSI_7nm_PHY_PLL_DSM_DIVIDER, 0x00); + pll_write(base + REG_DSI_7nm_PHY_PLL_FEEDBACK_DIVIDER, 0x4e); + pll_write(base + REG_DSI_7nm_PHY_PLL_CALIBRATION_SETTINGS, 0x40); + pll_write(base + REG_DSI_7nm_PHY_PLL_BAND_SEL_CAL_SETTINGS_THREE, 0xba); + pll_write(base + REG_DSI_7nm_PHY_PLL_FREQ_DETECT_SETTINGS_ONE, 0x0c); + pll_write(base + REG_DSI_7nm_PHY_PLL_OUTDIV, 0x00); + pll_write(base + REG_DSI_7nm_PHY_PLL_CORE_OVERRIDE, 0x00); + pll_write(base + REG_DSI_7nm_PHY_PLL_PLL_DIGITAL_TIMERS_TWO, 0x08); + pll_write(base + REG_DSI_7nm_PHY_PLL_PLL_PROP_GAIN_RATE_1, 0x0a); + pll_write(base + REG_DSI_7nm_PHY_PLL_PLL_BAND_SEL_RATE_1, 0xc0); + pll_write(base + REG_DSI_7nm_PHY_PLL_PLL_INT_GAIN_IFILT_BAND_1, 0x84); + pll_write(base + REG_DSI_7nm_PHY_PLL_PLL_INT_GAIN_IFILT_BAND_1, 0x82); + pll_write(base + REG_DSI_7nm_PHY_PLL_PLL_FL_INT_GAIN_PFILT_BAND_1, 0x4c); + pll_write(base + REG_DSI_7nm_PHY_PLL_PLL_LOCK_OVERRIDE, 0x80); + pll_write(base + REG_DSI_7nm_PHY_PLL_PFILT, 0x29); + pll_write(base + REG_DSI_7nm_PHY_PLL_PFILT, 0x2f); + pll_write(base + REG_DSI_7nm_PHY_PLL_IFILT, 0x2a); + pll_write(base + REG_DSI_7nm_PHY_PLL_IFILT, + pll->base.type == MSM_DSI_PHY_7NM_V4_1 ? 0x3f : 0x22); + + if (pll->base.type == MSM_DSI_PHY_7NM_V4_1) { + pll_write(base + REG_DSI_7nm_PHY_PLL_PERF_OPTIMIZE, 0x22); + if (pll->slave) + pll_write(pll->slave->mmio + REG_DSI_7nm_PHY_PLL_PERF_OPTIMIZE, 0x22); + } +} + +static void dsi_pll_commit(struct dsi_pll_7nm *pll) +{ + void __iomem *base = pll->mmio; + struct dsi_pll_regs *reg = &pll->reg_setup; + + pll_write(base + REG_DSI_7nm_PHY_PLL_CORE_INPUT_OVERRIDE, 0x12); + pll_write(base + REG_DSI_7nm_PHY_PLL_DECIMAL_DIV_START_1, reg->decimal_div_start); + pll_write(base + REG_DSI_7nm_PHY_PLL_FRAC_DIV_START_LOW_1, reg->frac_div_start_low); + pll_write(base + REG_DSI_7nm_PHY_PLL_FRAC_DIV_START_MID_1, reg->frac_div_start_mid); + pll_write(base + REG_DSI_7nm_PHY_PLL_FRAC_DIV_START_HIGH_1, reg->frac_div_start_high); + pll_write(base + REG_DSI_7nm_PHY_PLL_PLL_LOCKDET_RATE_1, reg->pll_lockdet_rate); + pll_write(base + REG_DSI_7nm_PHY_PLL_PLL_LOCK_DELAY, 0x06); + pll_write(base + REG_DSI_7nm_PHY_PLL_CMODE_1, 0x10); /* TODO: 0x00 for CPHY */ + pll_write(base + REG_DSI_7nm_PHY_PLL_CLOCK_INVERTERS, reg->pll_clock_inverters); +} + +static int dsi_pll_7nm_vco_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct msm_dsi_pll *pll = hw_clk_to_pll(hw); + struct dsi_pll_7nm *pll_7nm = to_pll_7nm(pll); + + DBG("DSI PLL%d rate=%lu, parent's=%lu", pll_7nm->id, rate, + parent_rate); + + pll_7nm->vco_current_rate = rate; + pll_7nm->vco_ref_clk_rate = VCO_REF_CLK_RATE; + + dsi_pll_setup_config(pll_7nm); + + dsi_pll_calc_dec_frac(pll_7nm); + + dsi_pll_calc_ssc(pll_7nm); + + dsi_pll_commit(pll_7nm); + + dsi_pll_config_hzindep_reg(pll_7nm); + + dsi_pll_ssc_commit(pll_7nm); + + /* flush, ensure all register writes are done*/ + wmb(); + + return 0; +} + +static int dsi_pll_7nm_lock_status(struct dsi_pll_7nm *pll) +{ + int rc; + u32 status = 0; + u32 const delay_us = 100; + u32 const timeout_us = 5000; + + rc = readl_poll_timeout_atomic(pll->mmio + + REG_DSI_7nm_PHY_PLL_COMMON_STATUS_ONE, + status, + ((status & BIT(0)) > 0), + delay_us, + timeout_us); + if (rc) + pr_err("DSI PLL(%d) lock failed, status=0x%08x\n", + pll->id, status); + + return rc; +} + +static void dsi_pll_disable_pll_bias(struct dsi_pll_7nm *pll) +{ + u32 data = pll_read(pll->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_CTRL_0); + + pll_write(pll->mmio + REG_DSI_7nm_PHY_PLL_SYSTEM_MUXES, 0); + pll_write(pll->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_CTRL_0, data & ~BIT(5)); + ndelay(250); +} + +static void dsi_pll_enable_pll_bias(struct dsi_pll_7nm *pll) +{ + u32 data = pll_read(pll->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_CTRL_0); + + pll_write(pll->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_CTRL_0, data | BIT(5)); + pll_write(pll->mmio + REG_DSI_7nm_PHY_PLL_SYSTEM_MUXES, 0xc0); + ndelay(250); +} + +static void dsi_pll_disable_global_clk(struct dsi_pll_7nm *pll) +{ + u32 data; + + data = pll_read(pll->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_CLK_CFG1); + pll_write(pll->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_CLK_CFG1, data & ~BIT(5)); +} + +static void dsi_pll_enable_global_clk(struct dsi_pll_7nm *pll) +{ + u32 data; + + pll_write(pll->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_CTRL_3, 0x04); + + data = pll_read(pll->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_CLK_CFG1); + pll_write(pll->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_CLK_CFG1, + data | BIT(5) | BIT(4)); +} + +static void dsi_pll_phy_dig_reset(struct dsi_pll_7nm *pll) +{ + /* + * Reset the PHY digital domain. This would be needed when + * coming out of a CX or analog rail power collapse while + * ensuring that the pads maintain LP00 or LP11 state + */ + pll_write(pll->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_GLBL_DIGTOP_SPARE4, BIT(0)); + wmb(); /* Ensure that the reset is deasserted */ + pll_write(pll->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_GLBL_DIGTOP_SPARE4, 0x0); + wmb(); /* Ensure that the reset is deasserted */ +} + +static int dsi_pll_7nm_vco_prepare(struct clk_hw *hw) +{ + struct msm_dsi_pll *pll = hw_clk_to_pll(hw); + struct dsi_pll_7nm *pll_7nm = to_pll_7nm(pll); + int rc; + + dsi_pll_enable_pll_bias(pll_7nm); + if (pll_7nm->slave) + dsi_pll_enable_pll_bias(pll_7nm->slave); + + /* Start PLL */ + pll_write(pll_7nm->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_PLL_CNTRL, 0x01); + + /* + * ensure all PLL configurations are written prior to checking + * for PLL lock. + */ + wmb(); + + /* Check for PLL lock */ + rc = dsi_pll_7nm_lock_status(pll_7nm); + if (rc) { + pr_err("PLL(%d) lock failed\n", pll_7nm->id); + goto error; + } + + pll->pll_on = true; + + /* + * assert power on reset for PHY digital in case the PLL is + * enabled after CX of analog domain power collapse. This needs + * to be done before enabling the global clk. + */ + dsi_pll_phy_dig_reset(pll_7nm); + if (pll_7nm->slave) + dsi_pll_phy_dig_reset(pll_7nm->slave); + + dsi_pll_enable_global_clk(pll_7nm); + if (pll_7nm->slave) + dsi_pll_enable_global_clk(pll_7nm->slave); + +error: + return rc; +} + +static void dsi_pll_disable_sub(struct dsi_pll_7nm *pll) +{ + pll_write(pll->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_RBUF_CTRL, 0); + dsi_pll_disable_pll_bias(pll); +} + +static void dsi_pll_7nm_vco_unprepare(struct clk_hw *hw) +{ + struct msm_dsi_pll *pll = hw_clk_to_pll(hw); + struct dsi_pll_7nm *pll_7nm = to_pll_7nm(pll); + + /* + * To avoid any stray glitches while abruptly powering down the PLL + * make sure to gate the clock using the clock enable bit before + * powering down the PLL + */ + dsi_pll_disable_global_clk(pll_7nm); + pll_write(pll_7nm->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_PLL_CNTRL, 0); + dsi_pll_disable_sub(pll_7nm); + if (pll_7nm->slave) { + dsi_pll_disable_global_clk(pll_7nm->slave); + dsi_pll_disable_sub(pll_7nm->slave); + } + /* flush, ensure all register writes are done */ + wmb(); + pll->pll_on = false; +} + +static unsigned long dsi_pll_7nm_vco_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct msm_dsi_pll *pll = hw_clk_to_pll(hw); + struct dsi_pll_7nm *pll_7nm = to_pll_7nm(pll); + void __iomem *base = pll_7nm->mmio; + u64 ref_clk = pll_7nm->vco_ref_clk_rate; + u64 vco_rate = 0x0; + u64 multiplier; + u32 frac; + u32 dec; + u64 pll_freq, tmp64; + + dec = pll_read(base + REG_DSI_7nm_PHY_PLL_DECIMAL_DIV_START_1); + dec &= 0xff; + + frac = pll_read(base + REG_DSI_7nm_PHY_PLL_FRAC_DIV_START_LOW_1); + frac |= ((pll_read(base + REG_DSI_7nm_PHY_PLL_FRAC_DIV_START_MID_1) & + 0xff) << 8); + frac |= ((pll_read(base + REG_DSI_7nm_PHY_PLL_FRAC_DIV_START_HIGH_1) & + 0x3) << 16); + + /* + * TODO: + * 1. Assumes prescaler is disabled + * 2. Multiplier is 2^18. it should be 2^(num_of_frac_bits) + */ + multiplier = 1 << 18; + pll_freq = dec * (ref_clk * 2); + tmp64 = (ref_clk * 2 * frac); + pll_freq += div_u64(tmp64, multiplier); + + vco_rate = pll_freq; + + DBG("DSI PLL%d returning vco rate = %lu, dec = %x, frac = %x", + pll_7nm->id, (unsigned long)vco_rate, dec, frac); + + return (unsigned long)vco_rate; +} + +static const struct clk_ops clk_ops_dsi_pll_7nm_vco = { + .round_rate = msm_dsi_pll_helper_clk_round_rate, + .set_rate = dsi_pll_7nm_vco_set_rate, + .recalc_rate = dsi_pll_7nm_vco_recalc_rate, + .prepare = dsi_pll_7nm_vco_prepare, + .unprepare = dsi_pll_7nm_vco_unprepare, +}; + +/* + * PLL Callbacks + */ + +static void dsi_pll_7nm_save_state(struct msm_dsi_pll *pll) +{ + struct dsi_pll_7nm *pll_7nm = to_pll_7nm(pll); + struct pll_7nm_cached_state *cached = &pll_7nm->cached_state; + void __iomem *phy_base = pll_7nm->phy_cmn_mmio; + u32 cmn_clk_cfg0, cmn_clk_cfg1; + + cached->pll_out_div = pll_read(pll_7nm->mmio + + REG_DSI_7nm_PHY_PLL_PLL_OUTDIV_RATE); + cached->pll_out_div &= 0x3; + + cmn_clk_cfg0 = pll_read(phy_base + REG_DSI_7nm_PHY_CMN_CLK_CFG0); + cached->bit_clk_div = cmn_clk_cfg0 & 0xf; + cached->pix_clk_div = (cmn_clk_cfg0 & 0xf0) >> 4; + + cmn_clk_cfg1 = pll_read(phy_base + REG_DSI_7nm_PHY_CMN_CLK_CFG1); + cached->pll_mux = cmn_clk_cfg1 & 0x3; + + DBG("DSI PLL%d outdiv %x bit_clk_div %x pix_clk_div %x pll_mux %x", + pll_7nm->id, cached->pll_out_div, cached->bit_clk_div, + cached->pix_clk_div, cached->pll_mux); +} + +static int dsi_pll_7nm_restore_state(struct msm_dsi_pll *pll) +{ + struct dsi_pll_7nm *pll_7nm = to_pll_7nm(pll); + struct pll_7nm_cached_state *cached = &pll_7nm->cached_state; + void __iomem *phy_base = pll_7nm->phy_cmn_mmio; + u32 val; + int ret; + + val = pll_read(pll_7nm->mmio + REG_DSI_7nm_PHY_PLL_PLL_OUTDIV_RATE); + val &= ~0x3; + val |= cached->pll_out_div; + pll_write(pll_7nm->mmio + REG_DSI_7nm_PHY_PLL_PLL_OUTDIV_RATE, val); + + pll_write(phy_base + REG_DSI_7nm_PHY_CMN_CLK_CFG0, + cached->bit_clk_div | (cached->pix_clk_div << 4)); + + val = pll_read(phy_base + REG_DSI_7nm_PHY_CMN_CLK_CFG1); + val &= ~0x3; + val |= cached->pll_mux; + pll_write(phy_base + REG_DSI_7nm_PHY_CMN_CLK_CFG1, val); + + ret = dsi_pll_7nm_vco_set_rate(&pll->clk_hw, pll_7nm->vco_current_rate, pll_7nm->vco_ref_clk_rate); + if (ret) { + DRM_DEV_ERROR(&pll_7nm->pdev->dev, + "restore vco rate failed. ret=%d\n", ret); + return ret; + } + + DBG("DSI PLL%d", pll_7nm->id); + + return 0; +} + +static int dsi_pll_7nm_set_usecase(struct msm_dsi_pll *pll, + enum msm_dsi_phy_usecase uc) +{ + struct dsi_pll_7nm *pll_7nm = to_pll_7nm(pll); + void __iomem *base = pll_7nm->phy_cmn_mmio; + u32 data = 0x0; /* internal PLL */ + + DBG("DSI PLL%d", pll_7nm->id); + + switch (uc) { + case MSM_DSI_PHY_STANDALONE: + break; + case MSM_DSI_PHY_MASTER: + pll_7nm->slave = pll_7nm_list[(pll_7nm->id + 1) % DSI_MAX]; + break; + case MSM_DSI_PHY_SLAVE: + data = 0x1; /* external PLL */ + break; + default: + return -EINVAL; + } + + /* set PLL src */ + pll_write(base + REG_DSI_7nm_PHY_CMN_CLK_CFG1, (data << 2)); + + pll_7nm->uc = uc; + + return 0; +} + +static int dsi_pll_7nm_get_provider(struct msm_dsi_pll *pll, + struct clk **byte_clk_provider, + struct clk **pixel_clk_provider) +{ + struct dsi_pll_7nm *pll_7nm = to_pll_7nm(pll); + struct clk_hw_onecell_data *hw_data = pll_7nm->hw_data; + + DBG("DSI PLL%d", pll_7nm->id); + + if (byte_clk_provider) + *byte_clk_provider = hw_data->hws[DSI_BYTE_PLL_CLK]->clk; + if (pixel_clk_provider) + *pixel_clk_provider = hw_data->hws[DSI_PIXEL_PLL_CLK]->clk; + + return 0; +} + +static void dsi_pll_7nm_destroy(struct msm_dsi_pll *pll) +{ + struct dsi_pll_7nm *pll_7nm = to_pll_7nm(pll); + struct device *dev = &pll_7nm->pdev->dev; + + DBG("DSI PLL%d", pll_7nm->id); + of_clk_del_provider(dev->of_node); + + clk_hw_unregister_divider(pll_7nm->out_dsiclk_hw); + clk_hw_unregister_mux(pll_7nm->pclk_mux_hw); + clk_hw_unregister_fixed_factor(pll_7nm->post_out_div_clk_hw); + clk_hw_unregister_fixed_factor(pll_7nm->by_2_bit_clk_hw); + clk_hw_unregister_fixed_factor(pll_7nm->byte_clk_hw); + clk_hw_unregister_divider(pll_7nm->bit_clk_hw); + clk_hw_unregister_divider(pll_7nm->out_div_clk_hw); + clk_hw_unregister(&pll_7nm->base.clk_hw); +} + +/* + * The post dividers and mux clocks are created using the standard divider and + * mux API. Unlike the 14nm PHY, the slave PLL doesn't need its dividers/mux + * state to follow the master PLL's divider/mux state. Therefore, we don't + * require special clock ops that also configure the slave PLL registers + */ +static int pll_7nm_register(struct dsi_pll_7nm *pll_7nm) +{ + char clk_name[32], parent[32], vco_name[32]; + char parent2[32], parent3[32], parent4[32]; + struct clk_init_data vco_init = { + .parent_names = (const char *[]){ "bi_tcxo" }, + .num_parents = 1, + .name = vco_name, + .flags = CLK_IGNORE_UNUSED, + .ops = &clk_ops_dsi_pll_7nm_vco, + }; + struct device *dev = &pll_7nm->pdev->dev; + struct clk_hw_onecell_data *hw_data; + struct clk_hw *hw; + int ret; + + DBG("DSI%d", pll_7nm->id); + + hw_data = devm_kzalloc(dev, sizeof(*hw_data) + + NUM_PROVIDED_CLKS * sizeof(struct clk_hw *), + GFP_KERNEL); + if (!hw_data) + return -ENOMEM; + + snprintf(vco_name, 32, "dsi%dvco_clk", pll_7nm->id); + pll_7nm->base.clk_hw.init = &vco_init; + + ret = clk_hw_register(dev, &pll_7nm->base.clk_hw); + if (ret) + return ret; + + snprintf(clk_name, 32, "dsi%d_pll_out_div_clk", pll_7nm->id); + snprintf(parent, 32, "dsi%dvco_clk", pll_7nm->id); + + hw = clk_hw_register_divider(dev, clk_name, + parent, CLK_SET_RATE_PARENT, + pll_7nm->mmio + + REG_DSI_7nm_PHY_PLL_PLL_OUTDIV_RATE, + 0, 2, CLK_DIVIDER_POWER_OF_TWO, NULL); + if (IS_ERR(hw)) { + ret = PTR_ERR(hw); + goto err_base_clk_hw; + } + + pll_7nm->out_div_clk_hw = hw; + + snprintf(clk_name, 32, "dsi%d_pll_bit_clk", pll_7nm->id); + snprintf(parent, 32, "dsi%d_pll_out_div_clk", pll_7nm->id); + + /* BIT CLK: DIV_CTRL_3_0 */ + hw = clk_hw_register_divider(dev, clk_name, parent, + CLK_SET_RATE_PARENT, + pll_7nm->phy_cmn_mmio + + REG_DSI_7nm_PHY_CMN_CLK_CFG0, + 0, 4, CLK_DIVIDER_ONE_BASED, + &pll_7nm->postdiv_lock); + if (IS_ERR(hw)) { + ret = PTR_ERR(hw); + goto err_out_div_clk_hw; + } + + pll_7nm->bit_clk_hw = hw; + + snprintf(clk_name, 32, "dsi%d_phy_pll_out_byteclk", pll_7nm->id); + snprintf(parent, 32, "dsi%d_pll_bit_clk", pll_7nm->id); + + /* DSI Byte clock = VCO_CLK / OUT_DIV / BIT_DIV / 8 */ + hw = clk_hw_register_fixed_factor(dev, clk_name, parent, + CLK_SET_RATE_PARENT, 1, 8); + if (IS_ERR(hw)) { + ret = PTR_ERR(hw); + goto err_bit_clk_hw; + } + + pll_7nm->byte_clk_hw = hw; + hw_data->hws[DSI_BYTE_PLL_CLK] = hw; + + snprintf(clk_name, 32, "dsi%d_pll_by_2_bit_clk", pll_7nm->id); + snprintf(parent, 32, "dsi%d_pll_bit_clk", pll_7nm->id); + + hw = clk_hw_register_fixed_factor(dev, clk_name, parent, + 0, 1, 2); + if (IS_ERR(hw)) { + ret = PTR_ERR(hw); + goto err_byte_clk_hw; + } + + pll_7nm->by_2_bit_clk_hw = hw; + + snprintf(clk_name, 32, "dsi%d_pll_post_out_div_clk", pll_7nm->id); + snprintf(parent, 32, "dsi%d_pll_out_div_clk", pll_7nm->id); + + hw = clk_hw_register_fixed_factor(dev, clk_name, parent, + 0, 1, 4); + if (IS_ERR(hw)) { + ret = PTR_ERR(hw); + goto err_by_2_bit_clk_hw; + } + + pll_7nm->post_out_div_clk_hw = hw; + + snprintf(clk_name, 32, "dsi%d_pclk_mux", pll_7nm->id); + snprintf(parent, 32, "dsi%d_pll_bit_clk", pll_7nm->id); + snprintf(parent2, 32, "dsi%d_pll_by_2_bit_clk", pll_7nm->id); + snprintf(parent3, 32, "dsi%d_pll_out_div_clk", pll_7nm->id); + snprintf(parent4, 32, "dsi%d_pll_post_out_div_clk", pll_7nm->id); + + hw = clk_hw_register_mux(dev, clk_name, + ((const char *[]){ + parent, parent2, parent3, parent4 + }), 4, 0, pll_7nm->phy_cmn_mmio + + REG_DSI_7nm_PHY_CMN_CLK_CFG1, + 0, 2, 0, NULL); + if (IS_ERR(hw)) { + ret = PTR_ERR(hw); + goto err_post_out_div_clk_hw; + } + + pll_7nm->pclk_mux_hw = hw; + + snprintf(clk_name, 32, "dsi%d_phy_pll_out_dsiclk", pll_7nm->id); + snprintf(parent, 32, "dsi%d_pclk_mux", pll_7nm->id); + + /* PIX CLK DIV : DIV_CTRL_7_4*/ + hw = clk_hw_register_divider(dev, clk_name, parent, + 0, pll_7nm->phy_cmn_mmio + + REG_DSI_7nm_PHY_CMN_CLK_CFG0, + 4, 4, CLK_DIVIDER_ONE_BASED, + &pll_7nm->postdiv_lock); + if (IS_ERR(hw)) { + ret = PTR_ERR(hw); + goto err_pclk_mux_hw; + } + + pll_7nm->out_dsiclk_hw = hw; + hw_data->hws[DSI_PIXEL_PLL_CLK] = hw; + + hw_data->num = NUM_PROVIDED_CLKS; + pll_7nm->hw_data = hw_data; + + ret = of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get, + pll_7nm->hw_data); + if (ret) { + DRM_DEV_ERROR(dev, "failed to register clk provider: %d\n", ret); + goto err_dsiclk_hw; + } + + return 0; + +err_dsiclk_hw: + clk_hw_unregister_divider(pll_7nm->out_dsiclk_hw); +err_pclk_mux_hw: + clk_hw_unregister_mux(pll_7nm->pclk_mux_hw); +err_post_out_div_clk_hw: + clk_hw_unregister_fixed_factor(pll_7nm->post_out_div_clk_hw); +err_by_2_bit_clk_hw: + clk_hw_unregister_fixed_factor(pll_7nm->by_2_bit_clk_hw); +err_byte_clk_hw: + clk_hw_unregister_fixed_factor(pll_7nm->byte_clk_hw); +err_bit_clk_hw: + clk_hw_unregister_divider(pll_7nm->bit_clk_hw); +err_out_div_clk_hw: + clk_hw_unregister_divider(pll_7nm->out_div_clk_hw); +err_base_clk_hw: + clk_hw_unregister(&pll_7nm->base.clk_hw); + + return ret; +} + +struct msm_dsi_pll *msm_dsi_pll_7nm_init(struct platform_device *pdev, + enum msm_dsi_phy_type type, int id) +{ + struct dsi_pll_7nm *pll_7nm; + struct msm_dsi_pll *pll; + int ret; + + pll_7nm = devm_kzalloc(&pdev->dev, sizeof(*pll_7nm), GFP_KERNEL); + if (!pll_7nm) + return ERR_PTR(-ENOMEM); + + DBG("DSI PLL%d", id); + + pll_7nm->pdev = pdev; + pll_7nm->id = id; + pll_7nm_list[id] = pll_7nm; + + pll_7nm->phy_cmn_mmio = msm_ioremap(pdev, "dsi_phy", "DSI_PHY"); + if (IS_ERR_OR_NULL(pll_7nm->phy_cmn_mmio)) { + DRM_DEV_ERROR(&pdev->dev, "failed to map CMN PHY base\n"); + return ERR_PTR(-ENOMEM); + } + + pll_7nm->mmio = msm_ioremap(pdev, "dsi_pll", "DSI_PLL"); + if (IS_ERR_OR_NULL(pll_7nm->mmio)) { + DRM_DEV_ERROR(&pdev->dev, "failed to map PLL base\n"); + return ERR_PTR(-ENOMEM); + } + + spin_lock_init(&pll_7nm->postdiv_lock); + + pll = &pll_7nm->base; + pll->min_rate = 1000000000UL; + pll->max_rate = 3500000000UL; + if (type == MSM_DSI_PHY_7NM_V4_1) { + pll->min_rate = 600000000UL; + pll->max_rate = (unsigned long)5000000000ULL; + /* workaround for max rate overflowing on 32-bit builds: */ + pll->max_rate = max(pll->max_rate, 0xffffffffUL); + } + pll->get_provider = dsi_pll_7nm_get_provider; + pll->destroy = dsi_pll_7nm_destroy; + pll->save_state = dsi_pll_7nm_save_state; + pll->restore_state = dsi_pll_7nm_restore_state; + pll->set_usecase = dsi_pll_7nm_set_usecase; + + pll_7nm->vco_delay = 1; + + ret = pll_7nm_register(pll_7nm); + if (ret) { + DRM_DEV_ERROR(&pdev->dev, "failed to register PLL: %d\n", ret); + return ERR_PTR(ret); + } + + /* TODO: Remove this when we have proper display handover support */ + msm_dsi_pll_save_state(pll); + + return pll; +} diff --git a/drivers/gpu/drm/msm/dsi/sfpb.xml.h b/drivers/gpu/drm/msm/dsi/sfpb.xml.h new file mode 100644 index 000000000..a3849220f --- /dev/null +++ b/drivers/gpu/drm/msm/dsi/sfpb.xml.h @@ -0,0 +1,63 @@ +#ifndef SFPB_XML +#define SFPB_XML + +/* Autogenerated file, DO NOT EDIT manually! + +This file was generated by the rules-ng-ng headergen tool in this git repository: +http://github.com/freedreno/envytools/ +git clone https://github.com/freedreno/envytools.git + +The rules-ng-ng source files this header was generated from are: +- /home/robclark/src/envytools/rnndb/msm.xml ( 676 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/freedreno_copyright.xml ( 1572 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/mdp/mdp4.xml ( 20915 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/mdp/mdp_common.xml ( 2849 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/mdp/mdp5.xml ( 37411 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/dsi/dsi.xml ( 42301 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/dsi/sfpb.xml ( 602 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/dsi/mmss_cc.xml ( 1686 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/hdmi/qfprom.xml ( 600 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/hdmi/hdmi.xml ( 41874 bytes, from 2020-07-23 21:58:14) +- /home/robclark/src/envytools/rnndb/edp/edp.xml ( 10416 bytes, from 2020-07-23 21:58:14) + +Copyright (C) 2013-2020 by the following authors: +- Rob Clark <robdclark@gmail.com> (robclark) +- Ilia Mirkin <imirkin@alum.mit.edu> (imirkin) + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice (including the +next paragraph) shall be included in all copies or substantial +portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + + +enum sfpb_ahb_arb_master_port_en { + SFPB_MASTER_PORT_ENABLE = 3, + SFPB_MASTER_PORT_DISABLE = 0, +}; + +#define REG_SFPB_GPREG 0x00000058 +#define SFPB_GPREG_MASTER_PORT_EN__MASK 0x00001800 +#define SFPB_GPREG_MASTER_PORT_EN__SHIFT 11 +static inline uint32_t SFPB_GPREG_MASTER_PORT_EN(enum sfpb_ahb_arb_master_port_en val) +{ + return ((val) << SFPB_GPREG_MASTER_PORT_EN__SHIFT) & SFPB_GPREG_MASTER_PORT_EN__MASK; +} + + +#endif /* SFPB_XML */ |