linux/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Rockchip SoC DP (Display Port) interface driver.
 *
 * Copyright (C) Fuzhou Rockchip Electronics Co., Ltd.
 * Author: Andy Yan <[email protected]>
 *         Yakir Yang <[email protected]>
 *         Jeff Chen <[email protected]>
 */

#include <linux/component.h>
#include <linux/mfd/syscon.h>
#include <linux/of.h>
#include <linux/of_graph.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <linux/reset.h>
#include <linux/clk.h>

#include <video/of_videomode.h>
#include <video/videomode.h>

#include <drm/display/drm_dp_helper.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/bridge/analogix_dp.h>
#include <drm/drm_of.h>
#include <drm/drm_panel.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_simple_kms_helper.h>

#include "rockchip_drm_drv.h"

#define RK3288_GRF_SOC_CON6 …
#define RK3288_EDP_LCDC_SEL …
#define RK3399_GRF_SOC_CON20 …
#define RK3399_EDP_LCDC_SEL …

#define HIWORD_UPDATE(val, mask) …

#define PSR_WAIT_LINE_FLAG_TIMEOUT_MS …

/**
 * struct rockchip_dp_chip_data - splite the grf setting of kind of chips
 * @lcdsel_grf_reg: grf register offset of lcdc select
 * @lcdsel_big: reg value of selecting vop big for eDP
 * @lcdsel_lit: reg value of selecting vop little for eDP
 * @chip_type: specific chip type
 */
struct rockchip_dp_chip_data { … };

struct rockchip_dp_device { … };

static struct rockchip_dp_device *encoder_to_dp(struct drm_encoder *encoder)
{ … }

static struct rockchip_dp_device *pdata_encoder_to_dp(struct analogix_dp_plat_data *plat_data)
{ … }

static int rockchip_dp_pre_init(struct rockchip_dp_device *dp)
{ … }

static int rockchip_dp_poweron(struct analogix_dp_plat_data *plat_data)
{ … }

static int rockchip_dp_powerdown(struct analogix_dp_plat_data *plat_data)
{ … }

static int rockchip_dp_get_modes(struct analogix_dp_plat_data *plat_data,
				 struct drm_connector *connector)
{ … }

static bool
rockchip_dp_drm_encoder_mode_fixup(struct drm_encoder *encoder,
				   const struct drm_display_mode *mode,
				   struct drm_display_mode *adjusted_mode)
{ … }

static void rockchip_dp_drm_encoder_mode_set(struct drm_encoder *encoder,
					     struct drm_display_mode *mode,
					     struct drm_display_mode *adjusted)
{ … }

static
struct drm_crtc *rockchip_dp_drm_get_new_crtc(struct drm_encoder *encoder,
					      struct drm_atomic_state *state)
{ … }

static void rockchip_dp_drm_encoder_enable(struct drm_encoder *encoder,
					   struct drm_atomic_state *state)
{ … }

static void rockchip_dp_drm_encoder_disable(struct drm_encoder *encoder,
					    struct drm_atomic_state *state)
{ … }

static int
rockchip_dp_drm_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 rockchip_dp_encoder_helper_funcs = …;

static int rockchip_dp_of_probe(struct rockchip_dp_device *dp)
{ … }

static int rockchip_dp_drm_create_encoder(struct rockchip_dp_device *dp)
{ … }

static int rockchip_dp_bind(struct device *dev, struct device *master,
			    void *data)
{ … }

static void rockchip_dp_unbind(struct device *dev, struct device *master,
			       void *data)
{ … }

static const struct component_ops rockchip_dp_component_ops = …;

static int rockchip_dp_probe(struct platform_device *pdev)
{ … }

static void rockchip_dp_remove(struct platform_device *pdev)
{ … }

static int rockchip_dp_suspend(struct device *dev)
{ … }

static int rockchip_dp_resume(struct device *dev)
{ … }

static DEFINE_RUNTIME_DEV_PM_OPS(rockchip_dp_pm_ops, rockchip_dp_suspend,
		rockchip_dp_resume, NULL);

static const struct rockchip_dp_chip_data rk3399_edp = …;

static const struct rockchip_dp_chip_data rk3288_dp = …;

static const struct of_device_id rockchip_dp_dt_ids[] = …;
MODULE_DEVICE_TABLE(of, rockchip_dp_dt_ids);

struct platform_driver rockchip_dp_driver = …;