board/amlogic/axg_s400_v1/lcd.c

/*
 * AMLOGIC TV LCD panel driver.
 *
 * 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 named License,
 * or 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.
 *
 */

#include <common.h>
#include <amlogic/aml_lcd.h>
#include <asm/arch/gpio.h>


static unsigned char mipi_init_on_table[] = {//table size < 100
	0x05, 1, 0x11,
	0xff, 20,
	0x05, 1, 0x29,
	0xff, 20,
	0xff, 0xff,   //ending flag
};
static unsigned char mipi_init_off_table[] = {//table size < 50
	0x05, 1, 0x28,
	0xff, 10,
	0x05, 1, 0x10,
	0xff, 10,
	0xff,0xff,   //ending flag
};


//Rsv_val = 0xffffffff
static char lcd_cpu_gpio[LCD_CPU_GPIO_NUM_MAX][LCD_CPU_GPIO_NAME_MAX] = {
	"GPIOZ_6",
	"invalid", /* ending flag */
};

static struct lcd_power_step_s lcd_power_on_step[] = {
	{LCD_POWER_TYPE_CPU,   0,1,10,}, /* lcd_reset */
	{LCD_POWER_TYPE_CPU,   0,0,20,}, /* lcd_reset */
	{LCD_POWER_TYPE_CPU,   0,1,20,}, /* lcd_reset */
	{LCD_POWER_TYPE_SIGNAL,0,1,0,},  /* signal */
	{LCD_POWER_TYPE_MAX,   0,0,0,},  /* ending flag */
};
static struct lcd_power_step_s lcd_power_off_step[] = {
	{LCD_POWER_TYPE_SIGNAL,0,0,50,},  /* signal */
	{LCD_POWER_TYPE_CPU,   0,0,100,}, /* lcd_reset */
	{LCD_POWER_TYPE_MAX,   0,0,0,},   /* ending flag */
};

static char lcd_bl_gpio[BL_GPIO_NUM_MAX][LCD_CPU_GPIO_NAME_MAX] = {
	"GPIOZ_4",
	"GPIOZ_5",
	"invalid", /* ending flag */
};

struct ext_lcd_config_s ext_lcd_config[LCD_NUM_MAX] = {
	{
	"lcd_0",LCD_MIPI,6,
	/* basic timing */
	768,1024,948,1140,64,56,0,50,30,0,
	/* clk_attr */
	0,0,1,64843200,Rsv_val,Rsv_val,Rsv_val,Rsv_val,Rsv_val,Rsv_val,
	/* MIPI_attr: lane_num, bit_rate_max, factor, operation_mode_init, operation_mode_display, video_mode_type, clk_lp_continuous, phy_stop_wait */
	4,550,0,1,0,2,1,0,Rsv_val,Rsv_val,
	/* power step */
	lcd_power_on_step, lcd_power_off_step,
	/* backlight */
	100,255,10,128,128,
	BL_CTRL_PWM,0,1,0,200,200,
	BL_PWM_NEGATIVE,BL_PWM_A,180,100,25,1,0,
	Rsv_val,Rsv_val,Rsv_val,Rsv_val,Rsv_val,Rsv_val,Rsv_val,
	Rsv_val,Rsv_val,Rsv_val,Rsv_val,
	10,10,Rsv_val},
};

static struct dsi_config_s lcd_mipi_config = {
	.lane_num = 4,
	.bit_rate_max = 550, /* MHz */
	.factor_numerator	= 0,
	.factor_denominator = 100,
	.operation_mode_init = 1,    /* 0=video mode, 1=command mode */
	.operation_mode_display = 0, /* 0=video mode, 1=command mode */
	.video_mode_type = 2, /* 0=sync_pulse, 1=sync_event, 2=burst */
	.clk_lp_continuous = 1, /* 0=stop, 1=continue */
	.phy_stop_wait = 0,   /* 0=auto, 1=standard, 2=slow */

	.dsi_init_on  = &mipi_init_on_table[0],
	.dsi_init_off = &mipi_init_off_table[0],
	.extern_init = 0xff, /* ext_index if needed, must match ext_config_dtf.index;
				0xff for invalid */
};

static struct lcd_power_ctrl_s lcd_power_ctrl = {
	.power_on_step = {
		{
			.type = LCD_POWER_TYPE_CPU,
			.index = 0, /* point to cpu_gpio[] struct */
			.value = 1, /* 0=output_low, 1=output_high, 2=input */
			.delay = 10, /* unit: ms */
		},
		{
			.type = LCD_POWER_TYPE_CPU,
			.index = 0, /* point to cpu_gpio[] struct */
			.value = 0, /* 0=output_low, 1=output_high, 2=input */
			.delay = 20, /* unit: ms */
		},
		{
			.type = LCD_POWER_TYPE_CPU,
			.index = 0, /* point to cpu_gpio[] struct */
			.value = 1, /* 0=output_low, 1=output_high, 2=input */
			.delay = 20, /* unit: ms */
		},
		{
			.type = LCD_POWER_TYPE_SIGNAL,
			.index = 0, /* point to cpu_gpio[] struct */
			.value = 1, /* 0=output_low, 1=output_high, 2=input */
			.delay = 0, /* unit: ms */
		},
		{
			.type = LCD_POWER_TYPE_MAX, /* ending flag */
		},
	},
	.power_off_step = {
		{
			.type = LCD_POWER_TYPE_SIGNAL,
			.index = 0, /* point to cpu_gpio[] struct */
			.value = 0, /* 0=output_low, 1=output_high, 2=input */
			.delay = 100, /* unit: ms */
		},
		{
			.type = LCD_POWER_TYPE_CPU,
			.index = 0, /* point to cpu_gpio[] struct */
			.value = 0, /* 0=output_low, 1=output_high, 2=input */
			.delay = 100, /* unit: ms */
		},
		{
			.type = LCD_POWER_TYPE_MAX, /* ending flag */
		},
	},
};

struct lcd_config_s lcd_config_dft = {
	.lcd_mode = LCD_MODE_TABLET,
	.lcd_key_valid = 0,
	.lcd_basic = {
		.model_name = "default",
		.lcd_type = LCD_TYPE_MAX, //LCD_TTL /LCD_LVDS/LCD_VBYONE
		.lcd_bits = 8,
		.h_active = 768,
		.v_active = 1024,
		.h_period = 948,
		.v_period = 1140,

		.screen_width   = 119,
		.screen_height  = 159,
	},

	.lcd_timing = {
		.clk_auto = 1,
		.lcd_clk = 64843200,
		.ss_level = 0,
		.fr_adjust_type = 0,

		.hsync_width = 64,
		.hsync_bp    = 56,
		.hsync_pol   = 0,
		.vsync_width = 50,
		.vsync_bp    = 30,
		.vsync_pol   = 0,
	},

	.lcd_control = {
		.mipi_config= &lcd_mipi_config,
	},
	.lcd_power = &lcd_power_ctrl,
	.pinmux_set = {{LCD_PINMUX_END, 0x0}},
	.pinmux_clr = {{LCD_PINMUX_END, 0x0}},
};

#ifdef CONFIG_AML_LCD_EXTERN
static char lcd_ext_gpio[LCD_EXTERN_GPIO_NUM_MAX][LCD_EXTERN_GPIO_LEN_MAX] = {
	"invalid", /* ending flag */
};

#define LCD_EXTERN_NAME "ext_default"
#define LCD_EXTERN_CMD_SIZE        LCD_EXTERN_DYNAMIC_LEN
static unsigned char init_on_table[LCD_EXTERN_INIT_TABLE_MAX] = {
	0x05, 1, 0x11,
	0xff, 150,
	0x05, 1, 0x29,
	0xff, 20,
	0xff, 0xff,   //ending flag
};

static unsigned char init_off_table[LCD_EXTERN_INIT_TABLE_MAX] = {
	0x05, 1, 0x28,
	0xff, 20,
	0x05, 1, 0x10,
	0xff,0xff,   //ending flag
};

struct lcd_extern_config_s ext_config_dtf = {
	.lcd_ext_key_valid = 0,
	.index = LCD_EXTERN_INDEX_INVALID,
	.type = LCD_EXTERN_MIPI, /* LCD_EXTERN_I2C, LCD_EXTERN_SPI, LCD_EXTERN_MIPI, LCD_EXTERN_MAX */
	.status = 0, /* 0=disable, 1=enable */
	.cmd_size = LCD_EXTERN_CMD_SIZE,
	.table_init_on = init_on_table,
	.table_init_off = init_off_table,
};
#endif

struct bl_config_s bl_config_dft = {
	.name = "default",
	.bl_key_valid = 0,

	.level_default = 100,
	.level_min = 10,
	.level_max = 255,
	.level_mid = 128,
	.level_mid_mapping = 128,
	.level = 0,

	.method = BL_CTRL_MAX,
	.power_on_delay = 200,
	.power_off_delay = 200,

	.en_gpio = 0xff,
	.en_gpio_on = 1,
	.en_gpio_off = 0,

	.bl_pwm = NULL,
	.bl_pwm_combo0 = NULL,
	.bl_pwm_combo1 = NULL,
	.pwm_on_delay = 10,
	.pwm_off_delay = 10,

	.pinmux_set = {{2, 0x00200000}, {LCD_PINMUX_END, 0x0}},
	.pinmux_clr = {{2, 0x00000000}, {LCD_PINMUX_END, 0x0}},
};

void lcd_config_bsp_init(void)
{
	int i, j;

	for (i = 0; i < LCD_CPU_GPIO_NUM_MAX; i++) {
		if (strcmp(lcd_cpu_gpio[i], "invalid") == 0)
			break;
		strcpy(lcd_power_ctrl.cpu_gpio[i], lcd_cpu_gpio[i]);
	}
	for (j = i; j < LCD_CPU_GPIO_NUM_MAX; j++)
		strcpy(lcd_power_ctrl.cpu_gpio[j], "invalid");
	for (i = 0; i < BL_GPIO_NUM_MAX; i++) {
		if (strcmp(lcd_bl_gpio[i], "invalid") == 0)
			break;
		strcpy(bl_config_dft.gpio_name[i], lcd_bl_gpio[i]);
	}
	for (j = i; j < BL_GPIO_NUM_MAX; j++)
		strcpy(bl_config_dft.gpio_name[j], "invalid");

#ifdef CONFIG_AML_LCD_EXTERN
	for (i = 0; i < LCD_EXTERN_GPIO_NUM_MAX; i++) {
		if (strcmp(lcd_ext_gpio[i], "invalid") == 0)
			break;
		strcpy(ext_config_dtf.gpio_name[i], lcd_ext_gpio[i]);
	}
	for (j = i; j < LCD_EXTERN_GPIO_NUM_MAX; j++)
		strcpy(ext_config_dtf.gpio_name[j], "invalid");

	strcpy(ext_config_dtf.name, LCD_EXTERN_NAME);
#endif
}