linux/drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c

// SPDX-License-Identifier: GPL-2.0+

/*
 * Copyright 2020 NXP
 */

#include <linux/clk.h>
#include <linux/media-bus-format.h>
#include <linux/mfd/syscon.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/of_graph.h>
#include <linux/phy/phy.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>

#include <drm/drm_atomic_state_helper.h>
#include <drm/drm_bridge.h>
#include <drm/drm_connector.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_of.h>
#include <drm/drm_print.h>

#include "imx-ldb-helper.h"

#define LDB_CH_SEL …

#define SS_CTRL …
#define CH_HSYNC_M(id) …
#define CH_VSYNC_M(id) …
#define CH_PHSYNC(id) …
#define CH_PVSYNC(id) …

#define DRIVER_NAME …

struct imx8qxp_ldb_channel { … };

struct imx8qxp_ldb { … };

static inline struct imx8qxp_ldb_channel *
base_to_imx8qxp_ldb_channel(struct ldb_channel *base)
{ … }

static inline struct imx8qxp_ldb *base_to_imx8qxp_ldb(struct ldb *base)
{ … }

static void imx8qxp_ldb_set_phy_cfg(struct imx8qxp_ldb *imx8qxp_ldb,
				    unsigned long di_clk, bool is_split,
				    struct phy_configure_opts_lvds *phy_cfg)
{ … }

static int
imx8qxp_ldb_bridge_atomic_check(struct drm_bridge *bridge,
				struct drm_bridge_state *bridge_state,
				struct drm_crtc_state *crtc_state,
				struct drm_connector_state *conn_state)
{ … }

static void
imx8qxp_ldb_bridge_mode_set(struct drm_bridge *bridge,
			    const struct drm_display_mode *mode,
			    const struct drm_display_mode *adjusted_mode)
{ … }

static void
imx8qxp_ldb_bridge_atomic_pre_enable(struct drm_bridge *bridge,
				     struct drm_bridge_state *old_bridge_state)
{ … }

static void
imx8qxp_ldb_bridge_atomic_enable(struct drm_bridge *bridge,
				 struct drm_bridge_state *old_bridge_state)
{ … }

static void
imx8qxp_ldb_bridge_atomic_disable(struct drm_bridge *bridge,
				  struct drm_bridge_state *old_bridge_state)
{ … }

static const u32 imx8qxp_ldb_bus_output_fmts[] = …;

static bool imx8qxp_ldb_bus_output_fmt_supported(u32 fmt)
{ … }

static u32 *
imx8qxp_ldb_bridge_atomic_get_input_bus_fmts(struct drm_bridge *bridge,
					     struct drm_bridge_state *bridge_state,
					     struct drm_crtc_state *crtc_state,
					     struct drm_connector_state *conn_state,
					     u32 output_fmt,
					     unsigned int *num_input_fmts)
{ … }

static u32 *
imx8qxp_ldb_bridge_atomic_get_output_bus_fmts(struct drm_bridge *bridge,
					      struct drm_bridge_state *bridge_state,
					      struct drm_crtc_state *crtc_state,
					      struct drm_connector_state *conn_state,
					      unsigned int *num_output_fmts)
{ … }

static enum drm_mode_status
imx8qxp_ldb_bridge_mode_valid(struct drm_bridge *bridge,
			      const struct drm_display_info *info,
			      const struct drm_display_mode *mode)
{ … }

static const struct drm_bridge_funcs imx8qxp_ldb_bridge_funcs = …;

static int imx8qxp_ldb_set_di_id(struct imx8qxp_ldb *imx8qxp_ldb)
{ … }

static int
imx8qxp_ldb_check_chno_and_dual_link(struct ldb_channel *ldb_ch, int link)
{ … }

static int imx8qxp_ldb_parse_dt_companion(struct imx8qxp_ldb *imx8qxp_ldb)
{ … }

static int imx8qxp_ldb_probe(struct platform_device *pdev)
{ … }

static void imx8qxp_ldb_remove(struct platform_device *pdev)
{ … }

static int __maybe_unused imx8qxp_ldb_runtime_suspend(struct device *dev)
{ … }

static int __maybe_unused imx8qxp_ldb_runtime_resume(struct device *dev)
{ … }

static const struct dev_pm_ops imx8qxp_ldb_pm_ops = …;

static const struct of_device_id imx8qxp_ldb_dt_ids[] = …;
MODULE_DEVICE_TABLE(of, imx8qxp_ldb_dt_ids);

static struct platform_driver imx8qxp_ldb_driver = …;
module_platform_driver(…) …;

MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;
MODULE_ALIAS(…) …;