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> 1578f27b1cSMasahiro Yamada #include <drm/drm_panel.h> 16a689554bSHai Li 17a689554bSHai Li #include "msm_drv.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 32ec31abf6SHai Li #define DSI_DEV_REGULATOR_MAX 8 336e0eb52eSArchit Taneja #define DSI_BUS_CLK_MAX 4 34ec31abf6SHai Li 35ec31abf6SHai Li /* Regulators for DSI devices */ 36ec31abf6SHai Li struct dsi_reg_entry { 37ec31abf6SHai Li char name[32]; 38ec31abf6SHai Li int enable_load; 39ec31abf6SHai Li int disable_load; 40ec31abf6SHai Li }; 41ec31abf6SHai Li 42ec31abf6SHai Li struct dsi_reg_config { 43ec31abf6SHai Li int num; 44ec31abf6SHai Li struct dsi_reg_entry regs[DSI_DEV_REGULATOR_MAX]; 45ec31abf6SHai Li }; 46ec31abf6SHai Li 47a689554bSHai Li struct msm_dsi { 48a689554bSHai Li struct drm_device *dev; 49a689554bSHai Li struct platform_device *pdev; 50a689554bSHai Li 51c118e290SArchit Taneja /* connector managed by us when we're connected to a drm_panel */ 52a689554bSHai Li struct drm_connector *connector; 53c118e290SArchit Taneja /* internal dsi bridge attached to MDP interface */ 54a689554bSHai Li struct drm_bridge *bridge; 55a689554bSHai Li 56a689554bSHai Li struct mipi_dsi_host *host; 57a689554bSHai Li struct msm_dsi_phy *phy; 58c118e290SArchit Taneja 59c118e290SArchit Taneja /* 60c118e290SArchit Taneja * panel/external_bridge connected to dsi bridge output, only one of the 61c118e290SArchit Taneja * two can be valid at a time 62c118e290SArchit Taneja */ 63a689554bSHai Li struct drm_panel *panel; 64c118e290SArchit Taneja struct drm_bridge *external_bridge; 659d32c498SHai Li 66ec31abf6SHai Li struct device *phy_dev; 67a689554bSHai Li bool phy_enabled; 68a689554bSHai Li 6997e00119SArchit Taneja /* the encoder we are hooked to (outside of dsi block) */ 7097e00119SArchit Taneja struct drm_encoder *encoder; 71a689554bSHai Li 72a689554bSHai Li int id; 73a689554bSHai Li }; 74a689554bSHai Li 75a689554bSHai Li /* dsi manager */ 76a689554bSHai Li struct drm_bridge *msm_dsi_manager_bridge_init(u8 id); 77a689554bSHai Li void msm_dsi_manager_bridge_destroy(struct drm_bridge *bridge); 78a689554bSHai Li struct drm_connector *msm_dsi_manager_connector_init(u8 id); 79c118e290SArchit Taneja struct drm_connector *msm_dsi_manager_ext_bridge_init(u8 id); 80a689554bSHai Li int msm_dsi_manager_cmd_xfer(int id, const struct mipi_dsi_msg *msg); 814ff9d4cbSArchit Taneja bool msm_dsi_manager_cmd_xfer_trigger(int id, u32 dma_base, u32 len); 8203436e3eSSean Paul void msm_dsi_manager_setup_encoder(int id); 83a689554bSHai Li int msm_dsi_manager_register(struct msm_dsi *msm_dsi); 84a689554bSHai Li void msm_dsi_manager_unregister(struct msm_dsi *msm_dsi); 858b03ad30SChandan Uddaraju bool msm_dsi_manager_validate_current_config(u8 id); 86a689554bSHai Li 87a689554bSHai Li /* msm dsi */ 886f054ec5SArchit Taneja static inline bool msm_dsi_device_connected(struct msm_dsi *msm_dsi) 896f054ec5SArchit Taneja { 90c118e290SArchit Taneja return msm_dsi->panel || msm_dsi->external_bridge; 916f054ec5SArchit Taneja } 926f054ec5SArchit Taneja 93a689554bSHai Li struct drm_encoder *msm_dsi_get_encoder(struct msm_dsi *msm_dsi); 94a689554bSHai Li 95a689554bSHai Li /* dsi host */ 96e18177ccSSibi Sankar struct msm_dsi_host; 97a689554bSHai Li int msm_dsi_host_xfer_prepare(struct mipi_dsi_host *host, 98a689554bSHai Li const struct mipi_dsi_msg *msg); 99a689554bSHai Li void msm_dsi_host_xfer_restore(struct mipi_dsi_host *host, 100a689554bSHai Li const struct mipi_dsi_msg *msg); 101a689554bSHai Li int msm_dsi_host_cmd_tx(struct mipi_dsi_host *host, 102a689554bSHai Li const struct mipi_dsi_msg *msg); 103a689554bSHai Li int msm_dsi_host_cmd_rx(struct mipi_dsi_host *host, 104a689554bSHai Li const struct mipi_dsi_msg *msg); 105a689554bSHai Li void msm_dsi_host_cmd_xfer_commit(struct mipi_dsi_host *host, 1064ff9d4cbSArchit Taneja u32 dma_base, u32 len); 107a689554bSHai Li int msm_dsi_host_enable(struct mipi_dsi_host *host); 108a689554bSHai Li int msm_dsi_host_disable(struct mipi_dsi_host *host); 109b62aa70aSHai Li int msm_dsi_host_power_on(struct mipi_dsi_host *host, 110ed9976a0SChandan Uddaraju struct msm_dsi_phy_shared_timings *phy_shared_timings, 111ed9976a0SChandan Uddaraju bool is_dual_dsi); 112a689554bSHai Li int msm_dsi_host_power_off(struct mipi_dsi_host *host); 113a689554bSHai Li int msm_dsi_host_set_display_mode(struct mipi_dsi_host *host, 11463f8f3baSLaurent Pinchart const struct drm_display_mode *mode); 115e3a91f89SSean Paul struct drm_panel *msm_dsi_host_get_panel(struct mipi_dsi_host *host); 116e3a91f89SSean Paul unsigned long msm_dsi_host_get_mode_flags(struct mipi_dsi_host *host); 117c118e290SArchit Taneja struct drm_bridge *msm_dsi_host_get_bridge(struct mipi_dsi_host *host); 118a689554bSHai Li int msm_dsi_host_register(struct mipi_dsi_host *host, bool check_defer); 119a689554bSHai Li void msm_dsi_host_unregister(struct mipi_dsi_host *host); 1209d32c498SHai Li int msm_dsi_host_set_src_pll(struct mipi_dsi_host *host, 1215d134596SDmitry Baryshkov struct msm_dsi_phy *src_phy); 12234d9545bSArchit Taneja void msm_dsi_host_reset_phy(struct mipi_dsi_host *host); 123b62aa70aSHai Li void msm_dsi_host_get_phy_clk_req(struct mipi_dsi_host *host, 124ed9976a0SChandan Uddaraju struct msm_dsi_phy_clk_request *clk_req, 125ed9976a0SChandan Uddaraju bool is_dual_dsi); 126a689554bSHai Li void msm_dsi_host_destroy(struct mipi_dsi_host *host); 127a689554bSHai Li int msm_dsi_host_modeset_init(struct mipi_dsi_host *host, 128a689554bSHai Li struct drm_device *dev); 129a689554bSHai Li int msm_dsi_host_init(struct msm_dsi *msm_dsi); 130f54ca1a0SArchit Taneja int msm_dsi_runtime_suspend(struct device *dev); 131f54ca1a0SArchit Taneja int msm_dsi_runtime_resume(struct device *dev); 1326b16f05aSRob Clark int dsi_link_clk_set_rate_6g(struct msm_dsi_host *msm_host); 1336b16f05aSRob Clark int dsi_link_clk_set_rate_v2(struct msm_dsi_host *msm_host); 134c4d8cfe5SSibi Sankar int dsi_link_clk_enable_6g(struct msm_dsi_host *msm_host); 135c4d8cfe5SSibi Sankar int dsi_link_clk_enable_v2(struct msm_dsi_host *msm_host); 136c4d8cfe5SSibi Sankar void dsi_link_clk_disable_6g(struct msm_dsi_host *msm_host); 137c4d8cfe5SSibi Sankar void dsi_link_clk_disable_v2(struct msm_dsi_host *msm_host); 138c4d8cfe5SSibi Sankar int dsi_tx_buf_alloc_6g(struct msm_dsi_host *msm_host, int size); 139c4d8cfe5SSibi Sankar int dsi_tx_buf_alloc_v2(struct msm_dsi_host *msm_host, int size); 140c4d8cfe5SSibi Sankar void *dsi_tx_buf_get_6g(struct msm_dsi_host *msm_host); 141c4d8cfe5SSibi Sankar void *dsi_tx_buf_get_v2(struct msm_dsi_host *msm_host); 142c4d8cfe5SSibi Sankar void dsi_tx_buf_put_6g(struct msm_dsi_host *msm_host); 143c4d8cfe5SSibi Sankar int dsi_dma_base_get_6g(struct msm_dsi_host *msm_host, uint64_t *iova); 144c4d8cfe5SSibi Sankar int dsi_dma_base_get_v2(struct msm_dsi_host *msm_host, uint64_t *iova); 145c4d8cfe5SSibi Sankar int dsi_clk_init_v2(struct msm_dsi_host *msm_host); 146c4d8cfe5SSibi Sankar int dsi_clk_init_6g_v2(struct msm_dsi_host *msm_host); 147ed9976a0SChandan Uddaraju int dsi_calc_clk_rate_v2(struct msm_dsi_host *msm_host, bool is_dual_dsi); 148ed9976a0SChandan Uddaraju int dsi_calc_clk_rate_6g(struct msm_dsi_host *msm_host, bool is_dual_dsi); 149a689554bSHai Li 150a689554bSHai Li /* dsi phy */ 151a689554bSHai Li struct msm_dsi_phy; 152dceac340SHai Li struct msm_dsi_phy_shared_timings { 153dceac340SHai Li u32 clk_post; 154dceac340SHai Li u32 clk_pre; 155dceac340SHai Li bool clk_pre_inc_by_2; 156dceac340SHai Li }; 157b62aa70aSHai Li 158b62aa70aSHai Li struct msm_dsi_phy_clk_request { 159b62aa70aSHai Li unsigned long bitclk_rate; 160b62aa70aSHai Li unsigned long escclk_rate; 161b62aa70aSHai Li }; 162b62aa70aSHai Li 163ec31abf6SHai Li void msm_dsi_phy_driver_register(void); 164ec31abf6SHai Li void msm_dsi_phy_driver_unregister(void); 16513351cd1SHai Li int msm_dsi_phy_enable(struct msm_dsi_phy *phy, int src_pll_id, 166b62aa70aSHai Li struct msm_dsi_phy_clk_request *clk_req); 16729e61690SHai Li void msm_dsi_phy_disable(struct msm_dsi_phy *phy); 168dceac340SHai Li void msm_dsi_phy_get_shared_timings(struct msm_dsi_phy *phy, 169dceac340SHai Li struct msm_dsi_phy_shared_timings *shared_timing); 17057bf4338SHai Li void msm_dsi_phy_set_usecase(struct msm_dsi_phy *phy, 17157bf4338SHai Li enum msm_dsi_phy_usecase uc); 1725d134596SDmitry Baryshkov int msm_dsi_phy_get_clk_provider(struct msm_dsi_phy *phy, 1735d134596SDmitry Baryshkov struct clk **byte_clk_provider, struct clk **pixel_clk_provider); 174*aaadcbb4SDmitry Baryshkov void msm_dsi_phy_pll_save_state(struct msm_dsi_phy *phy); 175*aaadcbb4SDmitry Baryshkov int msm_dsi_phy_pll_restore_state(struct msm_dsi_phy *phy); 1769d32c498SHai Li 177a689554bSHai Li #endif /* __DSI_CONNECTOR_H__ */ 178a689554bSHai Li 179