projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| cccb6d3c BD |
1 | /* drivers/video/backlight/ili9320.h |
| 2 | * | |
| 3 | * ILI9320 LCD controller driver core. | |
| 4 | * | |
| 5 | * Copyright 2007 Simtec Electronics | |
| 6 | * Ben Dooks <[email protected]> | |
| 7 | * | |
| 8 | * http://armlinux.simtec.co.uk/ | |
| 9 | * | |
| 10 | * This program is free software; you can redistribute it and/or modify | |
| 11 | * it under the terms of the GNU General Public License version 2 as | |
| 12 | * published by the Free Software Foundation. | |
| 13 | */ | |
| 14 | ||
| 15 | /* Holder for register and value pairs. */ | |
| 16 | struct ili9320_reg { | |
| 17 | unsigned short address; | |
| 18 | unsigned short value; | |
| 19 | }; | |
| 20 | ||
| 21 | struct ili9320; | |
| 22 | ||
| 23 | struct ili9320_client { | |
| 24 | const char *name; | |
| 25 | int (*init)(struct ili9320 *ili, struct ili9320_platdata *cfg); | |
| 26 | ||
| 27 | }; | |
| 28 | /* Device attached via an SPI bus. */ | |
| 29 | struct ili9320_spi { | |
| 30 | struct spi_device *dev; | |
| 31 | struct spi_message message; | |
| 32 | struct spi_transfer xfer[2]; | |
| 33 | ||
| 34 | unsigned char id; | |
| 35 | unsigned char buffer_addr[4]; | |
| 36 | unsigned char buffer_data[4]; | |
| 37 | }; | |
| 38 | ||
| 39 | /* ILI9320 device state. */ | |
| 40 | struct ili9320 { | |
| 41 | union { | |
| 42 | struct ili9320_spi spi; /* SPI attachged device. */ | |
| 43 | } access; /* Register access method. */ | |
| 44 | ||
| 45 | struct device *dev; | |
| 46 | struct lcd_device *lcd; /* LCD device we created. */ | |
| 47 | struct ili9320_client *client; | |
| 48 | struct ili9320_platdata *platdata; | |
| 49 | ||
| 50 | int power; /* current power state. */ | |
| 51 | int initialised; | |
| 52 | ||
| 53 | unsigned short display1; | |
| 54 | unsigned short power1; | |
| 55 | ||
| 56 | int (*write)(struct ili9320 *ili, unsigned int reg, unsigned int val); | |
| 57 | }; | |
| 58 | ||
| 59 | ||
| 60 | /* ILI9320 register access routines */ | |
| 61 | ||
| 62 | extern int ili9320_write(struct ili9320 *ili, | |
| 63 | unsigned int reg, unsigned int value); | |
| 64 | ||
| 65 | extern int ili9320_write_regs(struct ili9320 *ili, | |
| 3fd00432 | 66 | const struct ili9320_reg *values, |
| cccb6d3c BD |
67 | int nr_values); |
| 68 | ||
| 69 | /* Device probe */ | |
| 70 | ||
| 71 | extern int ili9320_probe_spi(struct spi_device *spi, | |
| 72 | struct ili9320_client *cli); | |
| 73 | ||
| 74 | extern int ili9320_remove(struct ili9320 *lcd); | |
| 75 | extern void ili9320_shutdown(struct ili9320 *lcd); | |
| 76 | ||
| 77 | /* PM */ | |
| 78 | ||
| eb39ad25 | 79 | extern int ili9320_suspend(struct ili9320 *lcd); |
| cccb6d3c | 80 | extern int ili9320_resume(struct ili9320 *lcd); |