// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2013 NVIDIA Corporation */ #include <linux/clk.h> #include <linux/debugfs.h> #include <linux/delay.h> #include <linux/host1x.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_platform.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/regulator/consumer.h> #include <linux/reset.h> #include <video/mipi_display.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_debugfs.h> #include <drm/drm_file.h> #include <drm/drm_mipi_dsi.h> #include <drm/drm_panel.h> #include <drm/drm_simple_kms_helper.h> #include "dc.h" #include "drm.h" #include "dsi.h" #include "mipi-phy.h" #include "trace.h" struct tegra_dsi_state { … }; static inline struct tegra_dsi_state * to_dsi_state(struct drm_connector_state *state) { … } struct tegra_dsi { … }; static inline struct tegra_dsi * host1x_client_to_dsi(struct host1x_client *client) { … } static inline struct tegra_dsi *host_to_tegra(struct mipi_dsi_host *host) { … } static inline struct tegra_dsi *to_dsi(struct tegra_output *output) { … } static struct tegra_dsi_state *tegra_dsi_get_state(struct tegra_dsi *dsi) { … } static inline u32 tegra_dsi_readl(struct tegra_dsi *dsi, unsigned int offset) { … } static inline void tegra_dsi_writel(struct tegra_dsi *dsi, u32 value, unsigned int offset) { … } #define DEBUGFS_REG32(_name) … static const struct debugfs_reg32 tegra_dsi_regs[] = …; static int tegra_dsi_show_regs(struct seq_file *s, void *data) { … } static struct drm_info_list debugfs_files[] = …; static int tegra_dsi_late_register(struct drm_connector *connector) { … } static void tegra_dsi_early_unregister(struct drm_connector *connector) { … } #define PKT_ID0(id) … #define PKT_LEN0(len) … #define PKT_ID1(id) … #define PKT_LEN1(len) … #define PKT_ID2(id) … #define PKT_LEN2(len) … #define PKT_LP … #define NUM_PKT_SEQ … /* * non-burst mode with sync pulses */ static const u32 pkt_seq_video_non_burst_sync_pulses[NUM_PKT_SEQ] = …; /* * non-burst mode with sync events */ static const u32 pkt_seq_video_non_burst_sync_events[NUM_PKT_SEQ] = …; static const u32 pkt_seq_command_mode[NUM_PKT_SEQ] = …; static void tegra_dsi_set_phy_timing(struct tegra_dsi *dsi, unsigned long period, const struct mipi_dphy_timing *timing) { … } static int tegra_dsi_get_muldiv(enum mipi_dsi_pixel_format format, unsigned int *mulp, unsigned int *divp) { … } static int tegra_dsi_get_format(enum mipi_dsi_pixel_format format, enum tegra_dsi_format *fmt) { … } static void tegra_dsi_ganged_enable(struct tegra_dsi *dsi, unsigned int start, unsigned int size) { … } static void tegra_dsi_enable(struct tegra_dsi *dsi) { … } static unsigned int tegra_dsi_get_lanes(struct tegra_dsi *dsi) { … } static void tegra_dsi_configure(struct tegra_dsi *dsi, unsigned int pipe, const struct drm_display_mode *mode) { … } static int tegra_dsi_wait_idle(struct tegra_dsi *dsi, unsigned long timeout) { … } static void tegra_dsi_video_disable(struct tegra_dsi *dsi) { … } static void tegra_dsi_ganged_disable(struct tegra_dsi *dsi) { … } static int tegra_dsi_pad_enable(struct tegra_dsi *dsi) { … } static int tegra_dsi_pad_calibrate(struct tegra_dsi *dsi) { … } static void tegra_dsi_set_timeout(struct tegra_dsi *dsi, unsigned long bclk, unsigned int vrefresh) { … } static void tegra_dsi_disable(struct tegra_dsi *dsi) { … } static void tegra_dsi_soft_reset(struct tegra_dsi *dsi) { … } static void tegra_dsi_connector_reset(struct drm_connector *connector) { … } static struct drm_connector_state * tegra_dsi_connector_duplicate_state(struct drm_connector *connector) { … } static const struct drm_connector_funcs tegra_dsi_connector_funcs = …; static enum drm_mode_status tegra_dsi_connector_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { … } static const struct drm_connector_helper_funcs tegra_dsi_connector_helper_funcs = …; static void tegra_dsi_unprepare(struct tegra_dsi *dsi) { … } static void tegra_dsi_encoder_disable(struct drm_encoder *encoder) { … } static int tegra_dsi_prepare(struct tegra_dsi *dsi) { … } static void tegra_dsi_encoder_enable(struct drm_encoder *encoder) { … } static int tegra_dsi_encoder_atomic_check(struct drm_encoder *encoder, struct drm_crtc_state *crtc_state, struct drm_connector_state *conn_state) { … } static const struct drm_encoder_helper_funcs tegra_dsi_encoder_helper_funcs = …; static int tegra_dsi_init(struct host1x_client *client) { … } static int tegra_dsi_exit(struct host1x_client *client) { … } static int tegra_dsi_runtime_suspend(struct host1x_client *client) { … } static int tegra_dsi_runtime_resume(struct host1x_client *client) { … } static const struct host1x_client_ops dsi_client_ops = …; static int tegra_dsi_setup_clocks(struct tegra_dsi *dsi) { … } static const char * const error_report[16] = …; static ssize_t tegra_dsi_read_response(struct tegra_dsi *dsi, const struct mipi_dsi_msg *msg, size_t count) { … } static int tegra_dsi_transmit(struct tegra_dsi *dsi, unsigned long timeout) { … } static int tegra_dsi_wait_for_response(struct tegra_dsi *dsi, unsigned long timeout) { … } static void tegra_dsi_writesl(struct tegra_dsi *dsi, unsigned long offset, const void *buffer, size_t size) { … } static ssize_t tegra_dsi_host_transfer(struct mipi_dsi_host *host, const struct mipi_dsi_msg *msg) { … } static int tegra_dsi_ganged_setup(struct tegra_dsi *dsi) { … } static int tegra_dsi_host_attach(struct mipi_dsi_host *host, struct mipi_dsi_device *device) { … } static int tegra_dsi_host_detach(struct mipi_dsi_host *host, struct mipi_dsi_device *device) { … } static const struct mipi_dsi_host_ops tegra_dsi_host_ops = …; static int tegra_dsi_ganged_probe(struct tegra_dsi *dsi) { … } static int tegra_dsi_probe(struct platform_device *pdev) { … } static void tegra_dsi_remove(struct platform_device *pdev) { … } static const struct of_device_id tegra_dsi_of_match[] = …; MODULE_DEVICE_TABLE(of, tegra_dsi_of_match); struct platform_driver tegra_dsi_driver = …;
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