linux/drivers/video/backlight/ili9320.c

// SPDX-License-Identifier: GPL-2.0-only
/* drivers/video/backlight/ili9320.c
 *
 * ILI9320 LCD controller driver core.
 *
 * Copyright 2007 Simtec Electronics
 *	http://armlinux.simtec.co.uk/
 *	Ben Dooks <[email protected]>
*/

#include <linux/delay.h>
#include <linux/err.h>
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/lcd.h>
#include <linux/module.h>
#include <linux/slab.h>

#include <linux/spi/spi.h>

#include <video/ili9320.h>

#include "ili9320.h"


static inline int ili9320_write_spi(struct ili9320 *ili,
				    unsigned int reg,
				    unsigned int value)
{ … }

int ili9320_write(struct ili9320 *ili, unsigned int reg, unsigned int value)
{ … }
EXPORT_SYMBOL_GPL(…);

int ili9320_write_regs(struct ili9320 *ili,
		       const struct ili9320_reg *values,
		       int nr_values)
{ … }
EXPORT_SYMBOL_GPL(…);

static void ili9320_reset(struct ili9320 *lcd)
{ … }

static inline int ili9320_init_chip(struct ili9320 *lcd)
{ … }

static inline int ili9320_power_on(struct ili9320 *lcd)
{ … }

static inline int ili9320_power_off(struct ili9320 *lcd)
{ … }

#define POWER_IS_ON(pwr) …

static int ili9320_power(struct ili9320 *lcd, int power)
{ … }

static inline struct ili9320 *to_our_lcd(struct lcd_device *lcd)
{ … }

static int ili9320_set_power(struct lcd_device *ld, int power)
{ … }

static int ili9320_get_power(struct lcd_device *ld)
{ … }

static const struct lcd_ops ili9320_ops = …;

static void ili9320_setup_spi(struct ili9320 *ili,
					struct spi_device *dev)
{ … }

int ili9320_probe_spi(struct spi_device *spi,
				struct ili9320_client *client)
{ … }
EXPORT_SYMBOL_GPL(…);

void ili9320_remove(struct ili9320 *ili)
{ … }
EXPORT_SYMBOL_GPL(…);

#ifdef CONFIG_PM_SLEEP
int ili9320_suspend(struct ili9320 *lcd)
{ … }
EXPORT_SYMBOL_GPL(…);

int ili9320_resume(struct ili9320 *lcd)
{ … }
EXPORT_SYMBOL_GPL(…);
#endif

/* Power down all displays on reboot, poweroff or halt */
void ili9320_shutdown(struct ili9320 *lcd)
{ … }
EXPORT_SYMBOL_GPL(…);

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