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