linux/drivers/gpu/drm/panel/panel-magnachip-d53e6ea8966.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Magnachip d53e6ea8966 MIPI-DSI panel driver
 * Copyright (C) 2023 Chris Morgan
 */

#include <drm/drm_mipi_dbi.h>
#include <drm/drm_mipi_dsi.h>
#include <drm/drm_modes.h>
#include <drm/drm_of.h>
#include <drm/drm_panel.h>

#include <linux/backlight.h>
#include <linux/delay.h>
#include <linux/gpio/consumer.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/media-bus-format.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/regulator/consumer.h>
#include <linux/spi/spi.h>

#include <video/mipi_display.h>

/* Forward declaration for use in backlight function */
struct d53e6ea8966;

/* Panel info, unique to each panel */
struct d53e6ea8966_panel_info { … };

struct d53e6ea8966 { … };

#define NUM_GAMMA_LEVELS …
#define GAMMA_TABLE_COUNT …
#define MAX_BRIGHTNESS …

#define MCS_ELVSS_ON …
#define MCS_TEMP_SWIRE …
#define MCS_PASSWORD_0 …
#define MCS_PASSWORD_1 …
#define MCS_ANALOG_PWR_CTL_0 …
#define MCS_ANALOG_PWR_CTL_1 …
#define MCS_GTCON_SET …
#define MCS_GATELESS_SIGNAL_SET …
#define MCS_SET_GAMMA …

static inline struct d53e6ea8966 *to_d53e6ea8966(struct drm_panel *panel)
{ … }

/* Table of gamma values provided in datasheet */
static u8 ams495qa01_gamma[NUM_GAMMA_LEVELS][GAMMA_TABLE_COUNT] = …;

/*
 * Table of elvss values provided in datasheet and corresponds to
 * gamma values.
 */
static u8 ams495qa01_elvss[NUM_GAMMA_LEVELS] = …;

static int ams495qa01_update_gamma(struct mipi_dbi *dbi, int brightness)
{ … }

static void ams495qa01_panel_init(struct d53e6ea8966 *db)
{ … }

static int d53e6ea8966_prepare(struct drm_panel *panel)
{ … }

static int d53e6ea8966_enable(struct drm_panel *panel)
{ … }

static int d53e6ea8966_disable(struct drm_panel *panel)
{ … }

static int d53e6ea8966_unprepare(struct drm_panel *panel)
{ … }

static int d53e6ea8966_get_modes(struct drm_panel *panel,
				 struct drm_connector *connector)
{ … }

static const struct drm_panel_funcs d53e6ea8966_panel_funcs = …;

static int ams495qa01_set_brightness(struct backlight_device *bd)
{ … }

static const struct backlight_ops ams495qa01_backlight_ops = …;

static int ams495qa01_backlight_register(struct d53e6ea8966 *db)
{ … }

static int d53e6ea8966_probe(struct spi_device *spi)
{ … }

static void d53e6ea8966_remove(struct spi_device *spi)
{ … }

static const struct drm_display_mode ams495qa01_modes[] = …;

static const struct d53e6ea8966_panel_info ams495qa01_info = …;

static const struct of_device_id d53e6ea8966_match[] = …;
MODULE_DEVICE_TABLE(of, d53e6ea8966_match);

static const struct spi_device_id d53e6ea8966_ids[] = …;
MODULE_DEVICE_TABLE(spi, d53e6ea8966_ids);

static struct spi_driver d53e6ea8966_driver = …;
module_spi_driver(…) …;

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