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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_0 020#define DSI_1 121#define DSI_MAX 222 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 433 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 const char *te_source;41 42 struct drm_bridge *next_bridge;43 44 struct device *phy_dev;45 bool phy_enabled;46 47 int id;48};49 50/* dsi manager */51int msm_dsi_manager_connector_init(struct msm_dsi *msm_dsi,52 struct drm_encoder *encoder);53int msm_dsi_manager_cmd_xfer(int id, const struct mipi_dsi_msg *msg);54bool msm_dsi_manager_cmd_xfer_trigger(int id, u32 dma_base, u32 len);55int msm_dsi_manager_register(struct msm_dsi *msm_dsi);56void msm_dsi_manager_unregister(struct msm_dsi *msm_dsi);57void msm_dsi_manager_tpg_enable(void);58 59/* dsi host */60struct msm_dsi_host;61int msm_dsi_host_xfer_prepare(struct mipi_dsi_host *host,62 const struct mipi_dsi_msg *msg);63void msm_dsi_host_xfer_restore(struct mipi_dsi_host *host,64 const struct mipi_dsi_msg *msg);65int msm_dsi_host_cmd_tx(struct mipi_dsi_host *host,66 const struct mipi_dsi_msg *msg);67int msm_dsi_host_cmd_rx(struct mipi_dsi_host *host,68 const struct mipi_dsi_msg *msg);69void msm_dsi_host_cmd_xfer_commit(struct mipi_dsi_host *host,70 u32 dma_base, u32 len);71int msm_dsi_host_enable(struct mipi_dsi_host *host);72int msm_dsi_host_disable(struct mipi_dsi_host *host);73void msm_dsi_host_enable_irq(struct mipi_dsi_host *host);74void msm_dsi_host_disable_irq(struct mipi_dsi_host *host);75int msm_dsi_host_power_on(struct mipi_dsi_host *host,76 struct msm_dsi_phy_shared_timings *phy_shared_timings,77 bool is_bonded_dsi, struct msm_dsi_phy *phy);78int msm_dsi_host_power_off(struct mipi_dsi_host *host);79int msm_dsi_host_set_display_mode(struct mipi_dsi_host *host,80 const struct drm_display_mode *mode);81enum drm_mode_status msm_dsi_host_check_dsc(struct mipi_dsi_host *host,82 const struct drm_display_mode *mode);83unsigned long msm_dsi_host_get_mode_flags(struct mipi_dsi_host *host);84int msm_dsi_host_register(struct mipi_dsi_host *host);85void msm_dsi_host_unregister(struct mipi_dsi_host *host);86void msm_dsi_host_set_phy_mode(struct mipi_dsi_host *host,87 struct msm_dsi_phy *src_phy);88int msm_dsi_host_set_src_pll(struct mipi_dsi_host *host,89 struct msm_dsi_phy *src_phy);90void msm_dsi_host_reset_phy(struct mipi_dsi_host *host);91void msm_dsi_host_get_phy_clk_req(struct mipi_dsi_host *host,92 struct msm_dsi_phy_clk_request *clk_req,93 bool is_bonded_dsi);94void msm_dsi_host_destroy(struct mipi_dsi_host *host);95int msm_dsi_host_modeset_init(struct mipi_dsi_host *host,96 struct drm_device *dev);97int msm_dsi_host_init(struct msm_dsi *msm_dsi);98int msm_dsi_runtime_suspend(struct device *dev);99int msm_dsi_runtime_resume(struct device *dev);100int dsi_link_clk_set_rate_6g(struct msm_dsi_host *msm_host);101int dsi_link_clk_set_rate_v2(struct msm_dsi_host *msm_host);102int dsi_link_clk_enable_6g(struct msm_dsi_host *msm_host);103int dsi_link_clk_enable_v2(struct msm_dsi_host *msm_host);104void dsi_link_clk_disable_6g(struct msm_dsi_host *msm_host);105void dsi_link_clk_disable_v2(struct msm_dsi_host *msm_host);106unsigned long dsi_byte_clk_get_rate(struct mipi_dsi_host *host, bool is_bonded_dsi,107 const struct drm_display_mode *mode);108int dsi_tx_buf_alloc_6g(struct msm_dsi_host *msm_host, int size);109int dsi_tx_buf_alloc_v2(struct msm_dsi_host *msm_host, int size);110void *dsi_tx_buf_get_6g(struct msm_dsi_host *msm_host);111void *dsi_tx_buf_get_v2(struct msm_dsi_host *msm_host);112void dsi_tx_buf_put_6g(struct msm_dsi_host *msm_host);113void msm_dsi_tx_buf_free(struct mipi_dsi_host *mipi_host);114int dsi_dma_base_get_6g(struct msm_dsi_host *msm_host, uint64_t *iova);115int dsi_dma_base_get_v2(struct msm_dsi_host *msm_host, uint64_t *iova);116int dsi_clk_init_v2(struct msm_dsi_host *msm_host);117int dsi_clk_init_6g_v2(struct msm_dsi_host *msm_host);118int dsi_calc_clk_rate_v2(struct msm_dsi_host *msm_host, bool is_bonded_dsi);119int dsi_calc_clk_rate_6g(struct msm_dsi_host *msm_host, bool is_bonded_dsi);120void msm_dsi_host_snapshot(struct msm_disp_state *disp_state, struct mipi_dsi_host *host);121void msm_dsi_host_test_pattern_en(struct mipi_dsi_host *host);122struct drm_dsc_config *msm_dsi_host_get_dsc_config(struct mipi_dsi_host *host);123bool msm_dsi_host_is_wide_bus_enabled(struct mipi_dsi_host *host);124 125/* dsi phy */126struct msm_dsi_phy;127struct msm_dsi_phy_shared_timings {128 u32 clk_post;129 u32 clk_pre;130 bool clk_pre_inc_by_2;131 bool byte_intf_clk_div_2;132};133 134struct msm_dsi_phy_clk_request {135 unsigned long bitclk_rate;136 unsigned long escclk_rate;137};138 139void msm_dsi_phy_driver_register(void);140void msm_dsi_phy_driver_unregister(void);141int msm_dsi_phy_enable(struct msm_dsi_phy *phy,142 struct msm_dsi_phy_clk_request *clk_req,143 struct msm_dsi_phy_shared_timings *shared_timings);144void msm_dsi_phy_disable(struct msm_dsi_phy *phy);145void msm_dsi_phy_set_usecase(struct msm_dsi_phy *phy,146 enum msm_dsi_phy_usecase uc);147void msm_dsi_phy_pll_save_state(struct msm_dsi_phy *phy);148int msm_dsi_phy_pll_restore_state(struct msm_dsi_phy *phy);149void msm_dsi_phy_snapshot(struct msm_disp_state *disp_state, struct msm_dsi_phy *phy);150bool msm_dsi_phy_set_continuous_clock(struct msm_dsi_phy *phy, bool enable);151 152#endif /* __DSI_CONNECTOR_H__ */153 154