linux/drivers/gpu/drm/panel/panel-samsung-db7430.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Panel driver for the Samsung LMS397KF04 480x800 DPI RGB panel.
 * According to the data sheet the display controller is called DB7430.
 * Found in the Samsung Galaxy Beam GT-I8350 mobile phone.
 * Linus Walleij <[email protected]>
 */
#include <drm/drm_mipi_dbi.h>
#include <drm/drm_modes.h>
#include <drm/drm_panel.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>

#define DB7430_ACCESS_PROT_OFF …
#define DB7430_UNKNOWN_B4 …
#define DB7430_USER_SELECT …
#define DB7430_UNKNOWN_B7 …
#define DB7430_UNKNOWN_B8 …
#define DB7430_PANEL_DRIVING …
#define DB7430_SOURCE_CONTROL …
#define DB7430_GATE_INTERFACE …
#define DB7430_DISPLAY_H_TIMING …
#define DB7430_RGB_SYNC_OPTION …
#define DB7430_GAMMA_SET_RED …
#define DB7430_GAMMA_SET_GREEN …
#define DB7430_GAMMA_SET_BLUE …
#define DB7430_BIAS_CURRENT_CTRL …
#define DB7430_DDV_CTRL …
#define DB7430_GAMMA_CTRL_REF …
#define DB7430_UNKNOWN_D4 …
#define DB7430_DCDC_CTRL …
#define DB7430_VCL_CTRL …
#define DB7430_UNKNOWN_F8 …
#define DB7430_UNKNOWN_FC …

#define DATA_MASK …

/**
 * struct db7430 - state container for a panel controlled by the DB7430
 * controller
 */
struct db7430 { … };

static const struct drm_display_mode db7430_480_800_mode = …;

static inline struct db7430 *to_db7430(struct drm_panel *panel)
{ … }

static int db7430_power_on(struct db7430 *db)
{ … }

static int db7430_power_off(struct db7430 *db)
{ … }

static int db7430_unprepare(struct drm_panel *panel)
{ … }

static int db7430_disable(struct drm_panel *panel)
{ … }

static int db7430_prepare(struct drm_panel *panel)
{ … }

static int db7430_enable(struct drm_panel *panel)
{ … }

/**
 * db7430_get_modes() - return the mode
 * @panel: the panel to get the mode for
 * @connector: reference to the central DRM connector control structure
 */
static int db7430_get_modes(struct drm_panel *panel,
			    struct drm_connector *connector)
{ … }

static const struct drm_panel_funcs db7430_drm_funcs = …;

static int db7430_probe(struct spi_device *spi)
{ … }

static void db7430_remove(struct spi_device *spi)
{ … }

/*
 * The DB7430 display controller may be used in several display products,
 * so list the different variants here and add per-variant data if needed.
 */
static const struct of_device_id db7430_match[] = …;
MODULE_DEVICE_TABLE(of, db7430_match);

static const struct spi_device_id db7430_ids[] = …;
MODULE_DEVICE_TABLE(spi, db7430_ids);

static struct spi_driver db7430_driver = …;
module_spi_driver(…) …;

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