// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd * Zheng Yang <[email protected]> * Yakir Yang <[email protected]> */ #include <linux/irq.h> #include <linux/clk.h> #include <linux/delay.h> #include <linux/err.h> #include <linux/hdmi.h> #include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/mutex.h> #include <linux/platform_device.h> #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_edid.h> #include <drm/drm_of.h> #include <drm/drm_probe_helper.h> #include <drm/drm_simple_kms_helper.h> #include <drm/display/drm_hdmi_helper.h> #include <drm/display/drm_hdmi_state_helper.h> #include "rockchip_drm_drv.h" #include "inno_hdmi.h" #define INNO_HDMI_MIN_TMDS_CLOCK … struct inno_hdmi_phy_config { … }; struct inno_hdmi_variant { … }; struct inno_hdmi_i2c { … }; struct inno_hdmi { … }; struct inno_hdmi_connector_state { … }; static struct inno_hdmi *encoder_to_inno_hdmi(struct drm_encoder *encoder) { … } static struct inno_hdmi *connector_to_inno_hdmi(struct drm_connector *connector) { … } #define to_inno_hdmi_conn_state(conn_state) … enum { … }; static const char coeff_csc[][24] = …; static struct inno_hdmi_phy_config rk3036_hdmi_phy_configs[] = …; static struct inno_hdmi_phy_config rk3128_hdmi_phy_configs[] = …; static int inno_hdmi_find_phy_config(struct inno_hdmi *hdmi, unsigned long pixelclk) { … } static inline u8 hdmi_readb(struct inno_hdmi *hdmi, u16 offset) { … } static inline void hdmi_writeb(struct inno_hdmi *hdmi, u16 offset, u32 val) { … } static inline void hdmi_modb(struct inno_hdmi *hdmi, u16 offset, u32 msk, u32 val) { … } static void inno_hdmi_i2c_init(struct inno_hdmi *hdmi, unsigned long long rate) { … } static void inno_hdmi_sys_power(struct inno_hdmi *hdmi, bool enable) { … } static void inno_hdmi_standby(struct inno_hdmi *hdmi) { inno_hdmi_sys_power(hdmi, false); hdmi_writeb(hdmi, HDMI_PHY_DRIVER, 0x00); hdmi_writeb(hdmi, HDMI_PHY_PRE_EMPHASIS, 0x00); hdmi_writeb(hdmi, HDMI_PHY_CHG_PWR, 0x00); hdmi_writeb(hdmi, HDMI_PHY_SYS_CTL, 0x15); }; static void inno_hdmi_power_up(struct inno_hdmi *hdmi, unsigned long mpixelclock) { struct inno_hdmi_phy_config *phy_config; int ret = inno_hdmi_find_phy_config(hdmi, mpixelclock); if (ret < 0) { phy_config = hdmi->variant->default_phy_config; DRM_DEV_ERROR(hdmi->dev, "Using default phy configuration for TMDS rate %lu", mpixelclock); } else { phy_config = &hdmi->variant->phy_configs[ret]; } inno_hdmi_sys_power(hdmi, false); hdmi_writeb(hdmi, HDMI_PHY_PRE_EMPHASIS, phy_config->pre_emphasis); hdmi_writeb(hdmi, HDMI_PHY_DRIVER, phy_config->voltage_level_control); hdmi_writeb(hdmi, HDMI_PHY_SYS_CTL, 0x15); hdmi_writeb(hdmi, HDMI_PHY_SYS_CTL, 0x14); hdmi_writeb(hdmi, HDMI_PHY_SYS_CTL, 0x10); hdmi_writeb(hdmi, HDMI_PHY_CHG_PWR, 0x0f); hdmi_writeb(hdmi, HDMI_PHY_SYNC, 0x00); hdmi_writeb(hdmi, HDMI_PHY_SYNC, 0x01); inno_hdmi_sys_power(hdmi, true); }; static void inno_hdmi_reset(struct inno_hdmi *hdmi) { … } static int inno_hdmi_disable_frame(struct drm_connector *connector, enum hdmi_infoframe_type type) { … } static int inno_hdmi_upload_frame(struct drm_connector *connector, enum hdmi_infoframe_type type, const u8 *buffer, size_t len) { … } static const struct drm_connector_hdmi_funcs inno_hdmi_hdmi_connector_funcs = …; static int inno_hdmi_config_video_csc(struct inno_hdmi *hdmi) { … } static int inno_hdmi_config_video_timing(struct inno_hdmi *hdmi, struct drm_display_mode *mode) { … } static int inno_hdmi_setup(struct inno_hdmi *hdmi, struct drm_atomic_state *state) { … } static enum drm_mode_status inno_hdmi_display_mode_valid(struct inno_hdmi *hdmi, struct drm_display_mode *mode) { … } static void inno_hdmi_encoder_enable(struct drm_encoder *encoder, struct drm_atomic_state *state) { … } static void inno_hdmi_encoder_disable(struct drm_encoder *encoder, struct drm_atomic_state *state) { … } static int inno_hdmi_encoder_atomic_check(struct drm_encoder *encoder, struct drm_crtc_state *crtc_state, struct drm_connector_state *conn_state) { … } static struct drm_encoder_helper_funcs inno_hdmi_encoder_helper_funcs = …; static enum drm_connector_status inno_hdmi_connector_detect(struct drm_connector *connector, bool force) { … } static int inno_hdmi_connector_get_modes(struct drm_connector *connector) { … } static enum drm_mode_status inno_hdmi_connector_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { … } static void inno_hdmi_connector_destroy_state(struct drm_connector *connector, struct drm_connector_state *state) { … } static void inno_hdmi_connector_reset(struct drm_connector *connector) { … } static struct drm_connector_state * inno_hdmi_connector_duplicate_state(struct drm_connector *connector) { … } static const struct drm_connector_funcs inno_hdmi_connector_funcs = …; static struct drm_connector_helper_funcs inno_hdmi_connector_helper_funcs = …; static int inno_hdmi_register(struct drm_device *drm, struct inno_hdmi *hdmi) { … } static irqreturn_t inno_hdmi_i2c_irq(struct inno_hdmi *hdmi) { … } static irqreturn_t inno_hdmi_hardirq(int irq, void *dev_id) { … } static irqreturn_t inno_hdmi_irq(int irq, void *dev_id) { … } static int inno_hdmi_i2c_read(struct inno_hdmi *hdmi, struct i2c_msg *msgs) { … } static int inno_hdmi_i2c_write(struct inno_hdmi *hdmi, struct i2c_msg *msgs) { … } static int inno_hdmi_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) { … } static u32 inno_hdmi_i2c_func(struct i2c_adapter *adapter) { … } static const struct i2c_algorithm inno_hdmi_algorithm = …; static struct i2c_adapter *inno_hdmi_i2c_adapter(struct inno_hdmi *hdmi) { … } static int inno_hdmi_bind(struct device *dev, struct device *master, void *data) { … } static void inno_hdmi_unbind(struct device *dev, struct device *master, void *data) { … } static const struct component_ops inno_hdmi_ops = …; static int inno_hdmi_probe(struct platform_device *pdev) { … } static void inno_hdmi_remove(struct platform_device *pdev) { … } static const struct inno_hdmi_variant rk3036_inno_hdmi_variant = …; static const struct inno_hdmi_variant rk3128_inno_hdmi_variant = …; static const struct of_device_id inno_hdmi_dt_ids[] = …; MODULE_DEVICE_TABLE(of, inno_hdmi_dt_ids); struct platform_driver inno_hdmi_driver = …;
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