6b13f685e
 김민수
BSP 최초 추가
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/* drivers/video/backlight/ili9320.h
*
* ILI9320 LCD controller driver core.
*
* Copyright 2007 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
*
* http://armlinux.simtec.co.uk/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/* Holder for register and value pairs. */
struct ili9320_reg {
unsigned short address;
unsigned short value;
};
struct ili9320;
struct ili9320_client {
const char *name;
int (*init)(struct ili9320 *ili, struct ili9320_platdata *cfg);
};
/* Device attached via an SPI bus. */
struct ili9320_spi {
struct spi_device *dev;
struct spi_message message;
struct spi_transfer xfer[2];
unsigned char id;
unsigned char buffer_addr[4];
unsigned char buffer_data[4];
};
/* ILI9320 device state. */
struct ili9320 {
union {
struct ili9320_spi spi; /* SPI attachged device. */
} access; /* Register access method. */
struct device *dev;
struct lcd_device *lcd; /* LCD device we created. */
struct ili9320_client *client;
struct ili9320_platdata *platdata;
int power; /* current power state. */
int initialised;
unsigned short display1;
unsigned short power1;
int (*write)(struct ili9320 *ili, unsigned int reg, unsigned int val);
};
/* ILI9320 register access routines */
extern int ili9320_write(struct ili9320 *ili,
unsigned int reg, unsigned int value);
extern int ili9320_write_regs(struct ili9320 *ili,
const struct ili9320_reg *values,
int nr_values);
/* Device probe */
extern int ili9320_probe_spi(struct spi_device *spi,
struct ili9320_client *cli);
extern int ili9320_remove(struct ili9320 *lcd);
extern void ili9320_shutdown(struct ili9320 *lcd);
/* PM */
extern int ili9320_suspend(struct ili9320 *lcd);
extern int ili9320_resume(struct ili9320 *lcd);
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