1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Copyright (c) 2015, The Linux Foundation. All rights reserved. 4 */ 5 6#ifndef __DSI_CONNECTOR_H__ 7#define __DSI_CONNECTOR_H__ 8 9#include <linux/of_platform.h> 10#include <linux/platform_device.h> 11 12#include <drm/drm_bridge.h> 13#include <drm/drm_crtc.h> 14#include <drm/drm_mipi_dsi.h> 15 16#include "msm_drv.h" 17#include "disp/msm_disp_snapshot.h" 18 19#define DSI_0 0 20#define DSI_1 1 21#define DSI_MAX 2 22 23struct msm_dsi_phy_shared_timings; 24struct msm_dsi_phy_clk_request; 25 26enum msm_dsi_phy_usecase { 27 MSM_DSI_PHY_STANDALONE, 28 MSM_DSI_PHY_MASTER, 29 MSM_DSI_PHY_SLAVE, 30}; 31 32#define DSI_BUS_CLK_MAX 4 33 34struct msm_dsi { 35 struct drm_device *dev; 36 struct platform_device *pdev; 37 38 struct mipi_dsi_host *host; 39 struct msm_dsi_phy *phy; 40 41 struct device *phy_dev; 42 bool phy_enabled; 43 44 int id; 45}; 46 47/* dsi manager */ 48struct drm_bridge *msm_dsi_manager_bridge_init(struct msm_dsi *msm_dsi, 49 struct drm_encoder *encoder); 50int msm_dsi_manager_ext_bridge_init(u8 id, struct drm_bridge *int_bridge); 51int msm_dsi_manager_cmd_xfer(int id, const struct mipi_dsi_msg *msg); 52bool msm_dsi_manager_cmd_xfer_trigger(int id, u32 dma_base, u32 len); 53int msm_dsi_manager_register(struct msm_dsi *msm_dsi); 54void msm_dsi_manager_unregister(struct msm_dsi *msm_dsi); 55void msm_dsi_manager_tpg_enable(void); 56 57/* dsi host */ 58struct msm_dsi_host; 59int msm_dsi_host_xfer_prepare(struct mipi_dsi_host *host, 60 const struct mipi_dsi_msg *msg); 61void msm_dsi_host_xfer_restore(struct mipi_dsi_host *host, 62 const struct mipi_dsi_msg *msg); 63int msm_dsi_host_cmd_tx(struct mipi_dsi_host *host, 64 const struct mipi_dsi_msg *msg); 65int msm_dsi_host_cmd_rx(struct mipi_dsi_host *host, 66 const struct mipi_dsi_msg *msg); 67void msm_dsi_host_cmd_xfer_commit(struct mipi_dsi_host *host, 68 u32 dma_base, u32 len); 69int msm_dsi_host_enable(struct mipi_dsi_host *host); 70int msm_dsi_host_disable(struct mipi_dsi_host *host); 71void msm_dsi_host_enable_irq(struct mipi_dsi_host *host); 72void msm_dsi_host_disable_irq(struct mipi_dsi_host *host); 73int msm_dsi_host_power_on(struct mipi_dsi_host *host, 74 struct msm_dsi_phy_shared_timings *phy_shared_timings, 75 bool is_bonded_dsi, struct msm_dsi_phy *phy); 76int msm_dsi_host_power_off(struct mipi_dsi_host *host); 77int msm_dsi_host_set_display_mode(struct mipi_dsi_host *host, 78 const struct drm_display_mode *mode); 79enum drm_mode_status msm_dsi_host_check_dsc(struct mipi_dsi_host *host, 80 const struct drm_display_mode *mode); 81unsigned long msm_dsi_host_get_mode_flags(struct mipi_dsi_host *host); 82int msm_dsi_host_register(struct mipi_dsi_host *host); 83void msm_dsi_host_unregister(struct mipi_dsi_host *host); 84void msm_dsi_host_set_phy_mode(struct mipi_dsi_host *host, 85 struct msm_dsi_phy *src_phy); 86int msm_dsi_host_set_src_pll(struct mipi_dsi_host *host, 87 struct msm_dsi_phy *src_phy); 88void msm_dsi_host_reset_phy(struct mipi_dsi_host *host); 89void msm_dsi_host_get_phy_clk_req(struct mipi_dsi_host *host, 90 struct msm_dsi_phy_clk_request *clk_req, 91 bool is_bonded_dsi); 92void msm_dsi_host_destroy(struct mipi_dsi_host *host); 93int msm_dsi_host_modeset_init(struct mipi_dsi_host *host, 94 struct drm_device *dev); 95int msm_dsi_host_init(struct msm_dsi *msm_dsi); 96int msm_dsi_runtime_suspend(struct device *dev); 97int msm_dsi_runtime_resume(struct device *dev); 98int dsi_link_clk_set_rate_6g(struct msm_dsi_host *msm_host); 99int dsi_link_clk_set_rate_v2(struct msm_dsi_host *msm_host); 100int dsi_link_clk_enable_6g(struct msm_dsi_host *msm_host); 101int dsi_link_clk_enable_v2(struct msm_dsi_host *msm_host); 102void dsi_link_clk_disable_6g(struct msm_dsi_host *msm_host); 103void dsi_link_clk_disable_v2(struct msm_dsi_host *msm_host); 104unsigned long dsi_byte_clk_get_rate(struct mipi_dsi_host *host, bool is_bonded_dsi, 105 const struct drm_display_mode *mode); 106int dsi_tx_buf_alloc_6g(struct msm_dsi_host *msm_host, int size); 107int dsi_tx_buf_alloc_v2(struct msm_dsi_host *msm_host, int size); 108void *dsi_tx_buf_get_6g(struct msm_dsi_host *msm_host); 109void *dsi_tx_buf_get_v2(struct msm_dsi_host *msm_host); 110void dsi_tx_buf_put_6g(struct msm_dsi_host *msm_host); 111void msm_dsi_tx_buf_free(struct mipi_dsi_host *mipi_host); 112int dsi_dma_base_get_6g(struct msm_dsi_host *msm_host, uint64_t *iova); 113int dsi_dma_base_get_v2(struct msm_dsi_host *msm_host, uint64_t *iova); 114int dsi_clk_init_v2(struct msm_dsi_host *msm_host); 115int dsi_clk_init_6g_v2(struct msm_dsi_host *msm_host); 116int dsi_calc_clk_rate_v2(struct msm_dsi_host *msm_host, bool is_bonded_dsi); 117int dsi_calc_clk_rate_6g(struct msm_dsi_host *msm_host, bool is_bonded_dsi); 118void msm_dsi_host_snapshot(struct msm_disp_state *disp_state, struct mipi_dsi_host *host); 119void msm_dsi_host_test_pattern_en(struct mipi_dsi_host *host); 120struct drm_dsc_config *msm_dsi_host_get_dsc_config(struct mipi_dsi_host *host); 121bool msm_dsi_host_is_wide_bus_enabled(struct mipi_dsi_host *host); 122 123/* dsi phy */ 124struct msm_dsi_phy; 125struct msm_dsi_phy_shared_timings { 126 u32 clk_post; 127 u32 clk_pre; 128 bool clk_pre_inc_by_2; 129 bool byte_intf_clk_div_2; 130}; 131 132struct msm_dsi_phy_clk_request { 133 unsigned long bitclk_rate; 134 unsigned long escclk_rate; 135}; 136 137void msm_dsi_phy_driver_register(void); 138void msm_dsi_phy_driver_unregister(void); 139int msm_dsi_phy_enable(struct msm_dsi_phy *phy, 140 struct msm_dsi_phy_clk_request *clk_req, 141 struct msm_dsi_phy_shared_timings *shared_timings); 142void msm_dsi_phy_disable(struct msm_dsi_phy *phy); 143void msm_dsi_phy_set_usecase(struct msm_dsi_phy *phy, 144 enum msm_dsi_phy_usecase uc); 145void msm_dsi_phy_pll_save_state(struct msm_dsi_phy *phy); 146int msm_dsi_phy_pll_restore_state(struct msm_dsi_phy *phy); 147void msm_dsi_phy_snapshot(struct msm_disp_state *disp_state, struct msm_dsi_phy *phy); 148bool msm_dsi_phy_set_continuous_clock(struct msm_dsi_phy *phy, bool enable); 149 150#endif /* __DSI_CONNECTOR_H__ */ 151 152