ili9320.h

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/* drivers/video/backlight/ili9320.h
 *
 * ILI9320 LCD controller driver core.
 *
 * Copyright 2007 Simtec Electronics
 *  Ben Dooks <[email protected]>
 *
 * 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,
                  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, pm_message_t state);
extern int ili9320_resume(struct ili9320 *lcd);