Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /* drivers/video/backlight/ili9320.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * ILI9320 LCD controller driver core.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Copyright 2007 Simtec Electronics
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *	Ben Dooks <ben@simtec.co.uk>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * http://armlinux.simtec.co.uk/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) /* Holder for register and value pairs. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) struct ili9320_reg {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	unsigned short		address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	unsigned short		value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) struct ili9320;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) struct ili9320_client {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	const char	*name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	int	(*init)(struct ili9320 *ili, struct ili9320_platdata *cfg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) /* Device attached via an SPI bus. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) struct  ili9320_spi {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	struct spi_device	*dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	struct spi_message	message;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	struct spi_transfer	xfer[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	unsigned char		id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	unsigned char		buffer_addr[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	unsigned char		buffer_data[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) /* ILI9320 device state. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) struct ili9320 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 		struct ili9320_spi	spi;	/* SPI attachged device. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	} access;				/* Register access method. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	struct device			*dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	struct lcd_device		*lcd;	/* LCD device we created. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	struct ili9320_client		*client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	struct ili9320_platdata		*platdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	int				 power; /* current power state. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	int				 initialised;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	unsigned short			 display1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	unsigned short			 power1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	int (*write)(struct ili9320 *ili, unsigned int reg, unsigned int val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) /* ILI9320 register access routines */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) extern int ili9320_write(struct ili9320 *ili,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 			 unsigned int reg, unsigned int value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) extern int ili9320_write_regs(struct ili9320 *ili,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 			      const struct ili9320_reg *values,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 			      int nr_values);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) /* Device probe */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) extern int ili9320_probe_spi(struct spi_device *spi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 			     struct ili9320_client *cli);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) extern int ili9320_remove(struct ili9320 *lcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) extern void ili9320_shutdown(struct ili9320 *lcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) /* PM */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) extern int ili9320_suspend(struct ili9320 *lcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) extern int ili9320_resume(struct ili9320 *lcd);