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Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/msm/dsi/dsi.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/dsi/dsi.h b/drivers/gpu/drm/msm/dsi/dsi.h new file mode 100644 index 000000000..6b239f77f --- /dev/null +++ b/drivers/gpu/drm/msm/dsi/dsi.h @@ -0,0 +1,164 @@ +/* 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 "msm_drv.h" +#include "disp/msm_disp_snapshot.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_usecase { + MSM_DSI_PHY_STANDALONE, + MSM_DSI_PHY_MASTER, + MSM_DSI_PHY_SLAVE, +}; + +#define DSI_BUS_CLK_MAX 4 + +struct msm_dsi { + struct drm_device *dev; + struct platform_device *pdev; + + /* internal dsi bridge attached to MDP interface */ + struct drm_bridge *bridge; + + struct mipi_dsi_host *host; + struct msm_dsi_phy *phy; + + /* + * external_bridge connected to dsi bridge output + */ + 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); +int 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); +int msm_dsi_manager_register(struct msm_dsi *msm_dsi); +void msm_dsi_manager_unregister(struct msm_dsi *msm_dsi); +void msm_dsi_manager_tpg_enable(void); + +/* msm dsi */ +static inline bool msm_dsi_device_connected(struct msm_dsi *msm_dsi) +{ + return msm_dsi->external_bridge; +} + +/* 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); +void msm_dsi_host_enable_irq(struct mipi_dsi_host *host); +void msm_dsi_host_disable_irq(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_bonded_dsi, struct msm_dsi_phy *phy); +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); +enum drm_mode_status msm_dsi_host_check_dsc(struct mipi_dsi_host *host, + const struct drm_display_mode *mode); +unsigned long msm_dsi_host_get_mode_flags(struct mipi_dsi_host *host); +int msm_dsi_host_register(struct mipi_dsi_host *host); +void msm_dsi_host_unregister(struct mipi_dsi_host *host); +void msm_dsi_host_set_phy_mode(struct mipi_dsi_host *host, + struct msm_dsi_phy *src_phy); +int msm_dsi_host_set_src_pll(struct mipi_dsi_host *host, + struct msm_dsi_phy *src_phy); +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_bonded_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); +void msm_dsi_tx_buf_free(struct mipi_dsi_host *mipi_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_bonded_dsi); +int dsi_calc_clk_rate_6g(struct msm_dsi_host *msm_host, bool is_bonded_dsi); +void msm_dsi_host_snapshot(struct msm_disp_state *disp_state, struct mipi_dsi_host *host); +void msm_dsi_host_test_pattern_en(struct mipi_dsi_host *host); +struct drm_dsc_config *msm_dsi_host_get_dsc_config(struct mipi_dsi_host *host); + +/* 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, + struct msm_dsi_phy_clk_request *clk_req, + struct msm_dsi_phy_shared_timings *shared_timings); +void msm_dsi_phy_disable(struct msm_dsi_phy *phy); +void msm_dsi_phy_set_usecase(struct msm_dsi_phy *phy, + enum msm_dsi_phy_usecase uc); +void msm_dsi_phy_pll_save_state(struct msm_dsi_phy *phy); +int msm_dsi_phy_pll_restore_state(struct msm_dsi_phy *phy); +void msm_dsi_phy_snapshot(struct msm_disp_state *disp_state, struct msm_dsi_phy *phy); +bool msm_dsi_phy_set_continuous_clock(struct msm_dsi_phy *phy, bool enable); + +#endif /* __DSI_CONNECTOR_H__ */ + |