197fb5e8dSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */ 2a689554bSHai Li /* 3a689554bSHai Li * Copyright (c) 2015, The Linux Foundation. All rights reserved. 4a689554bSHai Li */ 5a689554bSHai Li 6a689554bSHai Li #ifndef __DSI_CONNECTOR_H__ 7a689554bSHai Li #define __DSI_CONNECTOR_H__ 8a689554bSHai Li 9ec31abf6SHai Li #include <linux/of_platform.h> 10a689554bSHai Li #include <linux/platform_device.h> 11a689554bSHai Li 12ee68c743SBoris Brezillon #include <drm/drm_bridge.h> 1378f27b1cSMasahiro Yamada #include <drm/drm_crtc.h> 1478f27b1cSMasahiro Yamada #include <drm/drm_mipi_dsi.h> 15a689554bSHai Li 16a689554bSHai Li #include "msm_drv.h" 179d30a4bcSAbhinav Kumar #include "disp/msm_disp_snapshot.h" 18a689554bSHai Li 19a689554bSHai Li #define DSI_0 0 20a689554bSHai Li #define DSI_1 1 21a689554bSHai Li #define DSI_MAX 2 22a689554bSHai Li 23dceac340SHai Li struct msm_dsi_phy_shared_timings; 24b62aa70aSHai Li struct msm_dsi_phy_clk_request; 25dceac340SHai Li 2657bf4338SHai Li enum msm_dsi_phy_usecase { 2757bf4338SHai Li MSM_DSI_PHY_STANDALONE, 2857bf4338SHai Li MSM_DSI_PHY_MASTER, 2957bf4338SHai Li MSM_DSI_PHY_SLAVE, 3057bf4338SHai Li }; 3157bf4338SHai Li 326e0eb52eSArchit Taneja #define DSI_BUS_CLK_MAX 4 33ec31abf6SHai Li 34a689554bSHai Li struct msm_dsi { 35a689554bSHai Li struct drm_device *dev; 36a689554bSHai Li struct platform_device *pdev; 37a689554bSHai Li 38a689554bSHai Li struct mipi_dsi_host *host; 39a689554bSHai Li struct msm_dsi_phy *phy; 40c118e290SArchit Taneja 41c73588c0SDmitry Baryshkov struct drm_bridge *next_bridge; 42c73588c0SDmitry Baryshkov 43ec31abf6SHai Li struct device *phy_dev; 44a689554bSHai Li bool phy_enabled; 45a689554bSHai Li 46a689554bSHai Li int id; 47a689554bSHai Li }; 48a689554bSHai Li 49a689554bSHai Li /* dsi manager */ 50*87d322e9SDmitry Baryshkov int msm_dsi_manager_connector_init(struct msm_dsi *msm_dsi, 5189cdd4deSDmitry Baryshkov struct drm_encoder *encoder); 52a689554bSHai Li int msm_dsi_manager_cmd_xfer(int id, const struct mipi_dsi_msg *msg); 534ff9d4cbSArchit Taneja bool msm_dsi_manager_cmd_xfer_trigger(int id, u32 dma_base, u32 len); 54a689554bSHai Li int msm_dsi_manager_register(struct msm_dsi *msm_dsi); 55a689554bSHai Li void msm_dsi_manager_unregister(struct msm_dsi *msm_dsi); 565e2a72d4SAbhinav Kumar void msm_dsi_manager_tpg_enable(void); 57a689554bSHai Li 58a689554bSHai Li /* dsi host */ 59e18177ccSSibi Sankar struct msm_dsi_host; 60a689554bSHai Li int msm_dsi_host_xfer_prepare(struct mipi_dsi_host *host, 61a689554bSHai Li const struct mipi_dsi_msg *msg); 62a689554bSHai Li void msm_dsi_host_xfer_restore(struct mipi_dsi_host *host, 63a689554bSHai Li const struct mipi_dsi_msg *msg); 64a689554bSHai Li int msm_dsi_host_cmd_tx(struct mipi_dsi_host *host, 65a689554bSHai Li const struct mipi_dsi_msg *msg); 66a689554bSHai Li int msm_dsi_host_cmd_rx(struct mipi_dsi_host *host, 67a689554bSHai Li const struct mipi_dsi_msg *msg); 68a689554bSHai Li void msm_dsi_host_cmd_xfer_commit(struct mipi_dsi_host *host, 694ff9d4cbSArchit Taneja u32 dma_base, u32 len); 70a689554bSHai Li int msm_dsi_host_enable(struct mipi_dsi_host *host); 71a689554bSHai Li int msm_dsi_host_disable(struct mipi_dsi_host *host); 72bf94ec09SDmitry Baryshkov void msm_dsi_host_enable_irq(struct mipi_dsi_host *host); 73bf94ec09SDmitry Baryshkov void msm_dsi_host_disable_irq(struct mipi_dsi_host *host); 74b62aa70aSHai Li int msm_dsi_host_power_on(struct mipi_dsi_host *host, 75ed9976a0SChandan Uddaraju struct msm_dsi_phy_shared_timings *phy_shared_timings, 76858c595aSDmitry Baryshkov bool is_bonded_dsi, struct msm_dsi_phy *phy); 77a689554bSHai Li int msm_dsi_host_power_off(struct mipi_dsi_host *host); 78a689554bSHai Li int msm_dsi_host_set_display_mode(struct mipi_dsi_host *host, 7963f8f3baSLaurent Pinchart const struct drm_display_mode *mode); 8089f1bfc4SVinod Koul enum drm_mode_status msm_dsi_host_check_dsc(struct mipi_dsi_host *host, 8189f1bfc4SVinod Koul const struct drm_display_mode *mode); 82e3a91f89SSean Paul unsigned long msm_dsi_host_get_mode_flags(struct mipi_dsi_host *host); 838f59ee9aSRob Clark int msm_dsi_host_register(struct mipi_dsi_host *host); 84a689554bSHai Li void msm_dsi_host_unregister(struct mipi_dsi_host *host); 85a817a950SDmitry Baryshkov void msm_dsi_host_set_phy_mode(struct mipi_dsi_host *host, 86a817a950SDmitry Baryshkov struct msm_dsi_phy *src_phy); 879d32c498SHai Li int msm_dsi_host_set_src_pll(struct mipi_dsi_host *host, 885d134596SDmitry Baryshkov struct msm_dsi_phy *src_phy); 8934d9545bSArchit Taneja void msm_dsi_host_reset_phy(struct mipi_dsi_host *host); 90b62aa70aSHai Li void msm_dsi_host_get_phy_clk_req(struct mipi_dsi_host *host, 91ed9976a0SChandan Uddaraju struct msm_dsi_phy_clk_request *clk_req, 926183606dSDmitry Baryshkov bool is_bonded_dsi); 93a689554bSHai Li void msm_dsi_host_destroy(struct mipi_dsi_host *host); 94a689554bSHai Li int msm_dsi_host_modeset_init(struct mipi_dsi_host *host, 95a689554bSHai Li struct drm_device *dev); 96a689554bSHai Li int msm_dsi_host_init(struct msm_dsi *msm_dsi); 97f54ca1a0SArchit Taneja int msm_dsi_runtime_suspend(struct device *dev); 98f54ca1a0SArchit Taneja int msm_dsi_runtime_resume(struct device *dev); 996b16f05aSRob Clark int dsi_link_clk_set_rate_6g(struct msm_dsi_host *msm_host); 1006b16f05aSRob Clark int dsi_link_clk_set_rate_v2(struct msm_dsi_host *msm_host); 101c4d8cfe5SSibi Sankar int dsi_link_clk_enable_6g(struct msm_dsi_host *msm_host); 102c4d8cfe5SSibi Sankar int dsi_link_clk_enable_v2(struct msm_dsi_host *msm_host); 103c4d8cfe5SSibi Sankar void dsi_link_clk_disable_6g(struct msm_dsi_host *msm_host); 104c4d8cfe5SSibi Sankar void dsi_link_clk_disable_v2(struct msm_dsi_host *msm_host); 10503f7b782SAbhinav Kumar unsigned long dsi_byte_clk_get_rate(struct mipi_dsi_host *host, bool is_bonded_dsi, 10603f7b782SAbhinav Kumar const struct drm_display_mode *mode); 107c4d8cfe5SSibi Sankar int dsi_tx_buf_alloc_6g(struct msm_dsi_host *msm_host, int size); 108c4d8cfe5SSibi Sankar int dsi_tx_buf_alloc_v2(struct msm_dsi_host *msm_host, int size); 109c4d8cfe5SSibi Sankar void *dsi_tx_buf_get_6g(struct msm_dsi_host *msm_host); 110c4d8cfe5SSibi Sankar void *dsi_tx_buf_get_v2(struct msm_dsi_host *msm_host); 111c4d8cfe5SSibi Sankar void dsi_tx_buf_put_6g(struct msm_dsi_host *msm_host); 1125e05be78SDmitry Baryshkov void msm_dsi_tx_buf_free(struct mipi_dsi_host *mipi_host); 113c4d8cfe5SSibi Sankar int dsi_dma_base_get_6g(struct msm_dsi_host *msm_host, uint64_t *iova); 114c4d8cfe5SSibi Sankar int dsi_dma_base_get_v2(struct msm_dsi_host *msm_host, uint64_t *iova); 115c4d8cfe5SSibi Sankar int dsi_clk_init_v2(struct msm_dsi_host *msm_host); 116c4d8cfe5SSibi Sankar int dsi_clk_init_6g_v2(struct msm_dsi_host *msm_host); 1176183606dSDmitry Baryshkov int dsi_calc_clk_rate_v2(struct msm_dsi_host *msm_host, bool is_bonded_dsi); 1186183606dSDmitry Baryshkov int dsi_calc_clk_rate_6g(struct msm_dsi_host *msm_host, bool is_bonded_dsi); 119eb9d6c7eSDmitry Baryshkov void msm_dsi_host_snapshot(struct msm_disp_state *disp_state, struct mipi_dsi_host *host); 1205e2a72d4SAbhinav Kumar void msm_dsi_host_test_pattern_en(struct mipi_dsi_host *host); 1214b2b1b36SDmitry Baryshkov struct drm_dsc_config *msm_dsi_host_get_dsc_config(struct mipi_dsi_host *host); 122efcbd6f9SJessica Zhang bool msm_dsi_host_is_wide_bus_enabled(struct mipi_dsi_host *host); 1235e2a72d4SAbhinav Kumar 124a689554bSHai Li /* dsi phy */ 125a689554bSHai Li struct msm_dsi_phy; 126dceac340SHai Li struct msm_dsi_phy_shared_timings { 127dceac340SHai Li u32 clk_post; 128dceac340SHai Li u32 clk_pre; 129dceac340SHai Li bool clk_pre_inc_by_2; 1301d5e01dfSDmitry Baryshkov bool byte_intf_clk_div_2; 131dceac340SHai Li }; 132b62aa70aSHai Li 133b62aa70aSHai Li struct msm_dsi_phy_clk_request { 134b62aa70aSHai Li unsigned long bitclk_rate; 135b62aa70aSHai Li unsigned long escclk_rate; 136b62aa70aSHai Li }; 137b62aa70aSHai Li 138ec31abf6SHai Li void msm_dsi_phy_driver_register(void); 139ec31abf6SHai Li void msm_dsi_phy_driver_unregister(void); 14036c5dde5SDmitry Baryshkov int msm_dsi_phy_enable(struct msm_dsi_phy *phy, 14194ad6ec9SDmitry Baryshkov struct msm_dsi_phy_clk_request *clk_req, 14294ad6ec9SDmitry Baryshkov struct msm_dsi_phy_shared_timings *shared_timings); 14329e61690SHai Li void msm_dsi_phy_disable(struct msm_dsi_phy *phy); 14457bf4338SHai Li void msm_dsi_phy_set_usecase(struct msm_dsi_phy *phy, 14557bf4338SHai Li enum msm_dsi_phy_usecase uc); 146aaadcbb4SDmitry Baryshkov void msm_dsi_phy_pll_save_state(struct msm_dsi_phy *phy); 147aaadcbb4SDmitry Baryshkov int msm_dsi_phy_pll_restore_state(struct msm_dsi_phy *phy); 148d91940e2SDmitry Baryshkov void msm_dsi_phy_snapshot(struct msm_disp_state *disp_state, struct msm_dsi_phy *phy); 149858c595aSDmitry Baryshkov bool msm_dsi_phy_set_continuous_clock(struct msm_dsi_phy *phy, bool enable); 1509d32c498SHai Li 151a689554bSHai Li #endif /* __DSI_CONNECTOR_H__ */ 152a689554bSHai Li 153