1 files changed, 230 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..08f3fc677
--- /dev/null
+++ b/drivers/gpu/drm/msm/dsi/dsi.h
@@ -0,0 +1,230 @@
+/*
+ * Copyright (c) 2015, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __DSI_CONNECTOR_H__
+#define __DSI_CONNECTOR_H__
+
+#include <linux/of_platform.h>
+#include <linux/platform_device.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_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;
+	unsigned long device_flags;
+
+	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_attach_dsi_device(int id, u32 device_flags);
+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,
+					struct drm_display_mode *mode);
+struct drm_panel *msm_dsi_host_get_panel(struct mipi_dsi_host *host,
+					unsigned long *panel_flags);
+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_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__ */
+