// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (c) 2017 FriendlyARM (www.arm9.net)
 */

#include <config.h>
#include <errno.h>
#include <fdtdec.h>
#include <fdt_support.h>
#include <asm/io.h>

#include <asm/arch/nexell.h>
#include <asm/arch/display.h>
#include <asm/arch/nx_gpio.h>

#include "nxp-fb.h"

/*
 * param @module_index for nx_gpio APIs and will be removed
 * after support pinctrl
 */
#ifndef PAD_GPIO_A
#define PAD_GPIO_A	0
#endif

static inline void common_gpio_init(void)
{
	/* PVCLK */
	nx_gpio_set_fast_slew(PAD_GPIO_A, 0, 1);
}

static void s70_gpio_init(void)
{
	int i;

	/* PVCLK */
	nx_gpio_set_drive_strength(PAD_GPIO_A, 0, 1);

	/* RGB24 */
	for (i = 1; i < 25; i++)
		nx_gpio_set_drive_strength(PAD_GPIO_A, i, 2);

	/* HS/VS/DE */
	for (; i < 28; i++)
		nx_gpio_set_drive_strength(PAD_GPIO_A, i, 1);
}

static void s702_gpio_init(void)
{
	int i;

	common_gpio_init();

	nx_gpio_set_drive_strength(PAD_GPIO_A, 0, 2);

	for (i = 1; i < 25; i++)
		nx_gpio_set_drive_strength(PAD_GPIO_A, i, 0);

	for (; i < 28; i++)
		nx_gpio_set_drive_strength(PAD_GPIO_A, i, 1);
}

static void s430_gpio_init(void)
{
	int  i;

	for (i = 0; i < 28; i++)
		nx_gpio_set_drive_strength(PAD_GPIO_A, i, 1);
}

static void hd101_gpio_init(void)
{
	int i;

	common_gpio_init();

	nx_gpio_set_drive_strength(PAD_GPIO_A, 0, 2);

	for (i = 1; i < 25; i++)
		nx_gpio_set_drive_strength(PAD_GPIO_A, i, 1);

	nx_gpio_set_drive_strength(PAD_GPIO_A, 27, 1);
}

static void hd700_gpio_init(void)
{
	hd101_gpio_init();
}

/* NXP display configs for supported LCD */

static struct nxp_lcd wxga_hd700 = {
	.width = 800,
	.height = 1280,
	.p_width = 94,
	.p_height = 151,
	.bpp = 24,
	.freq = 60,

	.timing = {
		.h_fp = 20,
		.h_bp = 20,
		.h_sw = 24,
		.v_fp =  4,
		.v_fpe = 1,
		.v_bp =  4,
		.v_bpe = 1,
		.v_sw =  8,
	},
	.polarity = {
		.rise_vclk = 0,
		.inv_hsync = 0,
		.inv_vsync = 0,
		.inv_vden = 0,
	},
	.gpio_init = hd700_gpio_init,
};

static struct nxp_lcd wvga_s70 = {
	.width = 800,
	.height = 480,
	.p_width = 155,
	.p_height = 93,
	.bpp = 24,
	.freq = 61,

	.timing = {
		.h_fp = 48,
		.h_bp = 36,
		.h_sw = 10,
		.v_fp = 22,
		.v_fpe = 1,
		.v_bp = 15,
		.v_bpe = 1,
		.v_sw = 8,
	},
	.polarity = {
		.rise_vclk = 0,
		.inv_hsync = 1,
		.inv_vsync = 1,
		.inv_vden = 0,
	},
	.gpio_init = s70_gpio_init,
};

static struct nxp_lcd wvga_s702 = {
	.width = 800,
	.height = 480,
	.p_width = 155,
	.p_height = 93,
	.bpp = 24,
	.freq = 61,

	.timing = {
		.h_fp = 44,
		.h_bp = 26,
		.h_sw = 20,
		.v_fp = 22,
		.v_fpe = 1,
		.v_bp = 15,
		.v_bpe = 1,
		.v_sw = 8,
	},
	.polarity = {
		.rise_vclk = 1,
		.inv_hsync = 1,
		.inv_vsync = 1,
		.inv_vden = 0,
	},
	.gpio_init = s702_gpio_init,
};

static struct nxp_lcd wvga_s70d = {
	.width = 800,
	.height = 480,
	.p_width = 155,
	.p_height = 93,
	.bpp = 24,
	.freq = 61,

	.timing = {
		.h_fp = 80,
		.h_bp = 78,
		.h_sw = 10,
		.v_fp = 22,
		.v_fpe = 1,
		.v_bp = 24,
		.v_bpe = 1,
		.v_sw = 8,
	},
	.polarity = {
		.rise_vclk = 0,
		.inv_hsync = 1,
		.inv_vsync = 1,
		.inv_vden = 0,
	},
	.gpio_init = s702_gpio_init,
};

static struct nxp_lcd wvga_w50 = {
	.width = 800,
	.height = 480,
	.p_width = 108,
	.p_height = 64,
	.bpp = 24,
	.freq = 61,

	.timing = {
		.h_fp = 40,
		.h_bp = 40,
		.h_sw = 48,
		.v_fp = 20,
		.v_fpe = 1,
		.v_bp = 20,
		.v_bpe = 1,
		.v_sw = 12,
	},
	.polarity = {
		.rise_vclk = 0,
		.inv_hsync = 1,
		.inv_vsync = 1,
		.inv_vden = 0,
	},
	.gpio_init = s70_gpio_init,
};

static struct nxp_lcd wvga_s430 = {
	.width = 480,
	.height = 800,
	.p_width = 108,
	.p_height = 64,
	.bpp = 24,
	.freq = 60,

	.timing = {
		.h_fp = 64,
		.h_bp = 0,
		.h_sw = 16,
		.v_fp = 32,
		.v_fpe = 1,
		.v_bp = 0,
		.v_bpe = 1,
		.v_sw = 16,
	},
	.polarity = {
		.rise_vclk = 1,
		.inv_hsync = 1,
		.inv_vsync = 1,
		.inv_vden = 0,
	},
	.gpio_init = s430_gpio_init,
};

static struct nxp_lcd wsvga_w101 = {
	.width = 1024,
	.height = 600,
	.p_width = 204,
	.p_height = 120,
	.bpp = 24,
	.freq = 60,

	.timing = {
		.h_fp = 40,
		.h_bp = 40,
		.h_sw = 200,
		.v_fp =  8,
		.v_fpe = 1,
		.v_bp =  8,
		.v_bpe = 1,
		.v_sw = 16,
	},
	.polarity = {
		.rise_vclk = 1,
		.inv_hsync = 1,
		.inv_vsync = 1,
		.inv_vden = 0,
	},
};

static struct nxp_lcd wsvga_x710 = {
	.width = 1024,
	.height = 600,
	.p_width = 154,
	.p_height = 90,
	.bpp = 24,
	.freq = 61,

	.timing = {
		.h_fp = 84,
		.h_bp = 84,
		.h_sw = 88,
		.v_fp = 10,
		.v_fpe = 1,
		.v_bp = 10,
		.v_bpe = 1,
		.v_sw = 20,
	},
	.polarity = {
		.rise_vclk = 0,
		.inv_hsync = 1,
		.inv_vsync = 1,
		.inv_vden = 0,
	},
	.gpio_init = hd101_gpio_init,
};

static struct nxp_lcd xga_a97 = {
	.width = 1024,
	.height = 768,
	.p_width = 200,
	.p_height = 150,
	.bpp = 24,
	.freq = 61,

	.timing = {
		.h_fp = 12,
		.h_bp = 12,
		.h_sw = 4,
		.v_fp = 8,
		.v_fpe = 1,
		.v_bp = 8,
		.v_bpe = 1,
		.v_sw =  4,
	},
	.polarity = {
		.rise_vclk = 0,
		.inv_hsync = 1,
		.inv_vsync = 1,
		.inv_vden = 0,
	},
};

static struct nxp_lcd xga_lq150 = {
	.width = 1024,
	.height = 768,
	.p_width = 304,
	.p_height = 228,
	.bpp = 24,
	.freq = 60,

	.timing = {
		.h_fp = 12,
		.h_bp = 12,
		.h_sw = 40,
		.v_fp = 8,
		.v_fpe = 1,
		.v_bp = 8,
		.v_bpe = 1,
		.v_sw = 40,
	},
	.polarity = {
		.rise_vclk = 0,
		.inv_hsync = 1,
		.inv_vsync = 1,
		.inv_vden = 0,
	},
};

static struct nxp_lcd vga_l80 = {
	.width = 640,
	.height = 480,
	.p_width = 160,
	.p_height = 120,
	.bpp = 32,
	.freq = 60,

	.timing = {
		.h_fp = 35,
		.h_bp = 53,
		.h_sw = 73,
		.v_fp = 3,
		.v_fpe = 1,
		.v_bp = 29,
		.v_bpe = 1,
		.v_sw = 6,
	},
	.polarity = {
		.rise_vclk = 0,
		.inv_hsync = 1,
		.inv_vsync = 1,
		.inv_vden = 0,
	},
};

static struct nxp_lcd wxga_bp101 = {
	.width = 1280,
	.height = 800,
	.p_width = 218,
	.p_height = 136,
	.bpp = 24,
	.freq = 60,

	.timing = {
		.h_fp = 20,
		.h_bp = 20,
		.h_sw = 24,
		.v_fp =  4,
		.v_fpe = 1,
		.v_bp =  4,
		.v_bpe = 1,
		.v_sw =  8,
	},
	.polarity = {
		.rise_vclk = 1,
		.inv_hsync = 1,
		.inv_vsync = 1,
		.inv_vden = 0,
	},
};

static struct nxp_lcd wxga_hd101 = {
	.width = 1280,
	.height = 800,
	.p_width = 218,
	.p_height = 136,
	.bpp = 24,
	.freq = 60,

	.timing = {
		.h_fp = 16,
		.h_bp = 16,
		.h_sw = 30,
		.v_fp =  8,
		.v_fpe = 1,
		.v_bp =  8,
		.v_bpe = 1,
		.v_sw = 12,
	},
	.polarity = {
		.rise_vclk = 1,
		.inv_hsync = 0,
		.inv_vsync = 0,
		.inv_vden = 0,
	},
	.gpio_init = hd101_gpio_init,
};

static struct nxp_lcd hvga_h43 = {
	.width = 480,
	.height = 272,
	.p_width = 96,
	.p_height = 54,
	.bpp = 32,
	.freq = 65,

	.timing = {
		.h_fp =  5,
		.h_bp = 40,
		.h_sw =  2,
		.v_fp =  8,
		.v_fpe = 1,
		.v_bp =  8,
		.v_bpe = 1,
		.v_sw =  2,
	},
	.polarity = {
		.rise_vclk = 0,
		.inv_hsync = 1,
		.inv_vsync = 1,
		.inv_vden = 0,
	},
};

static struct nxp_lcd hvga_p43 = {
	.width = 480,
	.height = 272,
	.p_width = 96,
	.p_height = 54,
	.bpp = 32,
	.freq = 65,

	.timing = {
		.h_fp =  5,
		.h_bp = 40,
		.h_sw =  2,
		.v_fp =  8,
		.v_fpe = 1,
		.v_bp =  9,
		.v_bpe = 1,
		.v_sw =  2,
	},
	.polarity = {
		.rise_vclk = 1,
		.inv_hsync = 1,
		.inv_vsync = 1,
		.inv_vden = 0,
	},
};

static struct nxp_lcd qvga_w35 = {
	.width = 320,
	.height = 240,
	.p_width = 70,
	.p_height = 52,
	.bpp = 16,
	.freq = 65,

	.timing = {
		.h_fp =  4,
		.h_bp = 70,
		.h_sw =  4,
		.v_fp =  4,
		.v_fpe = 1,
		.v_bp = 12,
		.v_bpe = 1,
		.v_sw =  4,
	},
	.polarity = {
		.rise_vclk = 1,
		.inv_hsync = 0,
		.inv_vsync = 0,
		.inv_vden = 0,
	},
};

/* HDMI */
static struct nxp_lcd hdmi_def = {
	.width = 1920,
	.height = 1080,
	.p_width = 480,
	.p_height = 320,
	.bpp = 24,
	.freq = 60,

	.timing = {
		.h_fp = 12,
		.h_bp = 12,
		.h_sw = 4,
		.v_fp = 8,
		.v_fpe = 1,
		.v_bp = 8,
		.v_bpe = 1,
		.v_sw =  4,
	},
	.polarity = {
		.rise_vclk = 0,
		.inv_hsync = 1,
		.inv_vsync = 1,
		.inv_vden = 0,
	},
};

static struct hdmi_config {
	char *name;
	int width;
	int height;
} bd_hdmi_config[] = {
	{ "HDMI1080P60",	1920, 1080 },
	{ "HDMI1080I60",	1920, 1080 },
	{ "HDMI1080P30",	1920, 1080 },
	{ "HDMI1080P50",	1920, 1080 },
	{ "HDMI1080I50",	1920, 1080 },

	{ "HDMI1080P60D",	 960,  536 },
	{ "HDMI1080I60D",	 960,  536 },
	{ "HDMI1080P30D",	 960,  536 },
	{ "HDMI1080P50D",	 960,  536 },
	{ "HDMI1080I50D",	 960,  536 },

	{ "HDMI720P60",		1280,  720 },
	{ "HDMI720P60D",	 640,  360 },
	{ "HDMI720P50",		1280,  720 },
	{ "HDMI720P50D",	 640,  360 },

	{ "HDMI576P16X9",	 720,  576 },
	{ "HDMI576P16X9D",	 720,  576 },
	{ "HDMI576P4X3",	 720,  576 },
	{ "HDMI576P4X3D",	 720,  576 },

	{ "HDMI480P16X9",	 720,  480 },
	{ "HDMI480P16X9D",	 720,  480 },
	{ "HDMI480P4X3",	 720,  480 },
	{ "HDMI480P4X3D",	 720,  480 },
};

/* Try to guess LCD panel by kernel command line, or
 * using *HD101* as default
 */
static struct {
	int id;
	char *name;
	struct nxp_lcd *lcd;
	int dpi;
	int ctp;
	enum lcd_format fmt;
} bd_lcd_config[] = {
	{  25, "HD101",	 &wxga_hd101,   0, 1, LCD_RGB  },
	{  32, "HD101B", &wxga_hd101,   0, 1, LCD_RGB  },
	{  18, "HD700",	 &wxga_hd700, 213, 1, LCD_RGB  },
	{  30, "HD702",	 &wxga_hd700, 213, 1, LCD_RGB  },
	{  33, "H70",	 &wxga_hd700, 213, 0, LCD_VESA },
	{   3, "S70",	 &wvga_s70,   128, 1, LCD_RGB  },
	{  36, "S701",	 &wvga_s70,   128, 1, LCD_RGB  },
	{  24, "S702",	 &wvga_s702,  128, 3, LCD_RGB  },
	{  26, "S70D",	 &wvga_s70d,  128, 0, LCD_RGB  },
	{  14, "H43",	 &hvga_h43,     0, 0, LCD_RGB  },
	{  19, "P43",	 &hvga_p43,     0, 0, LCD_RGB  },
	{   8, "W35",	 &qvga_w35,     0, 0, LCD_RGB  },
	{  28, "X710",	 &wsvga_x710,   0, 1, LCD_RGB  },
	{  31, "S430",	 &wvga_s430,  180, 1, LCD_RGB  },
	{   4, "W50",	 &wvga_w50,     0, 0, LCD_RGB  },

	/* TODO: Testing */
	{  15, "W101",	 &wsvga_w101,   0, 1, LCD_RGB  },
	{   5, "L80",	 &vga_l80,      0, 1, LCD_RGB  },
	{  -1, "A97",	 &xga_a97,      0, 0, LCD_RGB  },
	{  -1, "LQ150",	 &xga_lq150,    0, 1, LCD_RGB  },
	{  -1, "BP101",	 &wxga_bp101,   0, 1, LCD_RGB  },
	/* Pls keep it at last */
	{ 128, "HDMI",	 &hdmi_def,     0, 0, LCD_HDMI },
};

static int lcd_idx;

int bd_setup_lcd_by_id(int id)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(bd_lcd_config); i++) {
		if (bd_lcd_config[i].id == id) {
			lcd_idx = i;
			break;
		}
	}

	if (i >= ARRAY_SIZE(bd_lcd_config)) {
		/* NOT found */
		return -19;
	}

	return bd_lcd_config[i].id;
}

int bd_setup_lcd_by_name(char *str)
{
	char *delim;
	int i;

	delim = strchr(str, ',');
	if (delim)
		*delim++ = '\0';

	if (!strncasecmp("HDMI", str, 4)) {
		struct hdmi_config *cfg = &bd_hdmi_config[0];
		struct nxp_lcd *lcd;

		lcd_idx = ARRAY_SIZE(bd_lcd_config) - 1;
		lcd = bd_lcd_config[lcd_idx].lcd;

		for (i = 0; i < ARRAY_SIZE(bd_hdmi_config); i++, cfg++) {
			if (!strcasecmp(cfg->name, str)) {
				lcd->width = cfg->width;
				lcd->height = cfg->height;
				bd_lcd_config[lcd_idx].name = cfg->name;
				goto __ret;
			}
		}
	}

	for (i = 0; i < ARRAY_SIZE(bd_lcd_config); i++) {
		if (!strcasecmp(bd_lcd_config[i].name, str)) {
			lcd_idx = i;
			break;
		}
	}

__ret:
	return 0;
}

struct nxp_lcd *bd_get_lcd(void)
{
	return bd_lcd_config[lcd_idx].lcd;
}

const char *bd_get_lcd_name(void)
{
	return bd_lcd_config[lcd_idx].name;
}

enum lcd_format bd_get_lcd_format(void)
{
	return bd_lcd_config[lcd_idx].fmt;
}

int bd_get_lcd_density(void)
{
	return bd_lcd_config[lcd_idx].dpi;
}

#if CONFIG_IS_ENABLED(OF_CONTROL)
int bd_fixup_lcd_fdt(void *blob, struct nxp_lcd *lcd)
{
	return 0;
}
#endif