cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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ili9320.h (1786B)


      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/* drivers/video/backlight/ili9320.h
      3 *
      4 * ILI9320 LCD controller driver core.
      5 *
      6 * Copyright 2007 Simtec Electronics
      7 *	Ben Dooks <ben@simtec.co.uk>
      8 *
      9 * http://armlinux.simtec.co.uk/
     10*/
     11
     12/* Holder for register and value pairs. */
     13struct ili9320_reg {
     14	unsigned short		address;
     15	unsigned short		value;
     16};
     17
     18struct ili9320;
     19
     20struct ili9320_client {
     21	const char	*name;
     22	int	(*init)(struct ili9320 *ili, struct ili9320_platdata *cfg);
     23
     24};
     25/* Device attached via an SPI bus. */
     26struct  ili9320_spi {
     27	struct spi_device	*dev;
     28	struct spi_message	message;
     29	struct spi_transfer	xfer[2];
     30
     31	unsigned char		id;
     32	unsigned char		buffer_addr[4];
     33	unsigned char		buffer_data[4];
     34};
     35
     36/* ILI9320 device state. */
     37struct ili9320 {
     38	union {
     39		struct ili9320_spi	spi;	/* SPI attachged device. */
     40	} access;				/* Register access method. */
     41
     42	struct device			*dev;
     43	struct lcd_device		*lcd;	/* LCD device we created. */
     44	struct ili9320_client		*client;
     45	struct ili9320_platdata		*platdata;
     46
     47	int				 power; /* current power state. */
     48	int				 initialised;
     49
     50	unsigned short			 display1;
     51	unsigned short			 power1;
     52
     53	int (*write)(struct ili9320 *ili, unsigned int reg, unsigned int val);
     54};
     55
     56
     57/* ILI9320 register access routines */
     58
     59extern int ili9320_write(struct ili9320 *ili,
     60			 unsigned int reg, unsigned int value);
     61
     62extern int ili9320_write_regs(struct ili9320 *ili,
     63			      const struct ili9320_reg *values,
     64			      int nr_values);
     65
     66/* Device probe */
     67
     68extern int ili9320_probe_spi(struct spi_device *spi,
     69			     struct ili9320_client *cli);
     70
     71extern void ili9320_remove(struct ili9320 *lcd);
     72extern void ili9320_shutdown(struct ili9320 *lcd);
     73
     74/* PM */
     75
     76extern int ili9320_suspend(struct ili9320 *lcd);
     77extern int ili9320_resume(struct ili9320 *lcd);