drivers/amlogic/media/vout/lcd/lcd_extern/mipi_default.c

/*
 * drivers/amlogic/media/vout/lcd/lcd_extern/mipi_default_drv.c
 *
 * Copyright (C) 2015 Amlogic, Inc. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

#include <common.h>
#include <malloc.h>
#include <asm/arch/gpio.h>
#include <fdtdec.h>
#include <amlogic/media/vout/lcd/aml_lcd.h>
#include <amlogic/media/vout/lcd/lcd_extern.h>
#include "lcd_extern.h"
#include "../lcd_common.h"
#include "../lcd_reg.h"


#define LCD_EXTERN_NAME			"mipi_default"
#define LCD_EXTERN_TYPE			LCD_EXTERN_MIPI

/******************** mipi command ********************/
/* format:  data_type, cmd_size, data.... */
/*	data_type=0xff,
 *		0 < cmd_size < 0xff means delay ms,
 *		cmd_size=0 or 0xff means ending.
 *	data_type=0xf0, for gpio control
 *		data0=gpio_index, data1=gpio_value.
 *		data0=gpio_index, data1=gpio_value, data2=delay.
 *	data_type=0xfd, for delay ms
 *		data0=delay, data_1=delay, ..., data_n=delay.
 */
static unsigned char mipi_init_on_table[] = {
	0x05, 1, 0x11,
	0xfd, 1, 200, /* delay 200ms */
	0x05, 1, 0x29,
	0xfd, 1, 20,  /* delay 20ms */
	0xff, 0,      /* ending */
};

static unsigned char mipi_init_off_table[] = {
	0x05, 1, 0x28, /* display off */
	0xfd, 1, 10,   /* delay 10ms */
	0x05, 1, 0x10, /* sleep in */
	0xfd, 1, 150,  /* delay 150ms */
	0xff, 0,       /* ending */
};

static int lcd_extern_driver_update(struct aml_lcd_extern_driver_s *ext_drv)
{
	if (ext_drv == NULL) {
		EXTERR("%s driver is null\n", LCD_EXTERN_NAME);
		return -1;
	}
	if (ext_drv->config->table_init_loaded == 0) {
		ext_drv->config->cmd_size = LCD_EXT_CMD_SIZE_DYNAMIC;
		ext_drv->config->table_init_on  = &mipi_init_on_table[0];
		ext_drv->config->table_init_on_cnt  = sizeof(mipi_init_on_table);
		ext_drv->config->table_init_off = &mipi_init_off_table[0];
		ext_drv->config->table_init_off_cnt  = sizeof(mipi_init_off_table);
		EXTERR("%s: tablet_init is invalid\n", ext_drv->config->name);
		return -1;
	}

	return 0;
}

int lcd_extern_mipi_default_probe(struct aml_lcd_extern_driver_s *ext_drv)
{
	int ret = 0;

	ret = lcd_extern_driver_update(ext_drv);

	if (lcd_debug_print_flag)
		EXTPR("%s: %d\n", __func__, ret);
	return ret;
}