mtk-lk/dev/lcm/hx8392a_dsi_vdo_2lane/hx8392a_dsi_vdo_2lane.c

/* Copyright Statement:
*
* This software/firmware and related documentation ("MediaTek Software") are
* protected under relevant copyright laws. The information contained herein
* is confidential and proprietary to MediaTek Inc. and/or its licensors.
* Without the prior written permission of MediaTek inc. and/or its licensors,
* any reproduction, modification, use or disclosure of MediaTek Software,
* and information contained herein, in whole or in part, shall be strictly prohibited.
*/
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*
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* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
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* The following software/firmware and/or related documentation ("MediaTek Software")
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*/
#include "lcm_drv.h"

// ---------------------------------------------------------------------------
//  Local Constants
// ---------------------------------------------------------------------------

#define FRAME_WIDTH                                         (720)
#define FRAME_HEIGHT                                        (1280)

#define REGFLAG_DELAY                                       0xFE
#define REGFLAG_END_OF_TABLE                                0xFF   // END OF REGISTERS MARKER

// ---------------------------------------------------------------------------
//  Local Variables
// ---------------------------------------------------------------------------

static LCM_UTIL_FUNCS lcm_util = {0};

#define SET_RESET_PIN(v)    (lcm_util.set_reset_pin((v)))

#define UDELAY(n) (lcm_util.udelay(n))
#define MDELAY(n) (lcm_util.mdelay(n))


// ---------------------------------------------------------------------------
//  Local Functions
// ---------------------------------------------------------------------------

#define dsi_set_cmdq_V2(cmd, count, ppara, force_update)    lcm_util.dsi_set_cmdq_V2(cmd, count, ppara, force_update)
#define dsi_set_cmdq(pdata, queue_size, force_update)       lcm_util.dsi_set_cmdq(pdata, queue_size, force_update)
#define wrtie_cmd(cmd)                                  lcm_util.dsi_write_cmd(cmd)
#define write_regs(addr, pdata, byte_nums)              lcm_util.dsi_write_regs(addr, pdata, byte_nums)
#define read_reg                                            lcm_util.dsi_read_reg()


struct LCM_setting_table {
	unsigned cmd;
	unsigned char count;
	unsigned char para_list[64];
};


static struct LCM_setting_table lcm_initialization_setting[] = {

	/*
	Note :

	Data ID will depends on the following rule.

	    count of parameters > 1 => Data ID = 0x39
	    count of parameters = 1 => Data ID = 0x15
	    count of parameters = 0 => Data ID = 0x05

	Structure Format :

	{DCS command, count of parameters, {parameter list}}
	{REGFLAG_DELAY, milliseconds of time, {}},

	...

	Setting ending by predefined flag

	{REGFLAG_END_OF_TABLE, 0x00, {}}
	*/

	//sleep out
	{0x11, 0, {}},
	{REGFLAG_DELAY, 120, {}},

	//SET PASSWORD
	{0xB9, 3, {0xFF,0x83,0x92}},
	{REGFLAG_DELAY, 10, {}},

	//set mipi 4 lane
	{
		0xBA, 17, {
			0x11, 0x83, 0x00, 0xD6,
			0xC5, 0x00, 0x09, 0xFF,
			0x0F, 0x27, 0x03, 0x21,
			0x27, 0x25, 0x20, 0x00,
			0x10
		}
	},

	//SET POWER
	{
		0xB1, 13, {
			0x7C, 0x00, 0x43, 0xBB,
			0x00, 0x1A, 0x1A, 0x2F,
			0x36, 0x3F, 0x3F, 0x42,
			0x7A
		}
	},

	//SET DISPLAY RELATED REGISTER
	{
		0xB2, 12, {
			0x08,0xC8,0x06,0x06,
			0x04,0x84,0x00,0xFF,
			0x06,0x06,0x04,0x20
		}
	},

	//SET CYC
	{
		0xB4, 23, {
			0x00, 0x00, 0x05, 0x0A,
			0x8F, 0x06, 0x0A, 0x95,
			0x01, 0x07, 0x06, 0x0C,
			0x02, 0x08, 0x08, 0x21,
			0x04, 0x02, 0x08, 0x01,
			0x04, 0x1A, 0x95
		}
	},

	// set TE on
	{0x35, 1, {0x00}},

	{0xBF, 4, {0x05, 0x60, 0x02, 0x00}},

	// VCOM//64
	{0xB6, 1, {0x6A}},

	//SET RGB OR BGR
	{0x36, 1, {0x08}},

	//SET RGB OR BGR
	{0xC0, 2, {0x03, 0x94}},

	//SET DSI VIDEO MODE
	{0xC2, 1, {0x03}},

	{0xC6, 4, {0x35, 0x00, 0x20, 0x04}},

	//SET PANEL
	{0xCC, 1, {0x09}},

	{0xD4, 1, {0x00}},

	{
		0xD5, 23, {
			0x00, 0x01, 0x04, 0x00,
			0x01, 0x67, 0x89, 0xAB,
			0x45, 0xCC, 0xCC, 0xCC,
			0x00, 0x10, 0x54, 0xBA,
			0x98, 0x76, 0xCC, 0xCC,
			0xCC, 0x00, 0x00
		}
	},

	{
		0xD8, 23, {
			0x00, 0x00, 0x05, 0x00,
			0x9A, 0x00, 0x02, 0x95,
			0x01, 0x07, 0x06, 0x00,
			0x08, 0x08, 0x00, 0x1D,
			0x08, 0x08, 0x08, 0x00,
			0x00, 0x00, 0x77
		}
	},

	{
		0xE0, 34, {
			0x00, 0x12, 0x19, 0x33,
			0x36, 0x3F, 0x28, 0x47,
			0x06, 0x0C, 0x0E, 0x12,
			0x14, 0x12, 0x14, 0x12,
			0x1A, 0x00, 0x12, 0x19,
			0x33, 0x36, 0x3F, 0x28,
			0x47, 0x06, 0x0C, 0x0E,
			0x12, 0x14, 0x12, 0x14,
			0x12, 0x1A
		}
	},

	{
		0xE1, 34, {
			0x00, 0x12, 0x19, 0x33,
			0x36, 0x3F, 0x28, 0x47,
			0x06, 0x0C, 0x0E, 0x12,
			0x14, 0x12, 0x14, 0x12,
			0x1A, 0x00, 0x12, 0x19,
			0x33, 0x36, 0x3F, 0x28,
			0x47, 0x06, 0x0C, 0x0E,
			0x12, 0x14, 0x12, 0x14,
			0x12, 0x1A
		}
	},

	{
		0xE2, 34, {
			0x00, 0x12, 0x19, 0x33,
			0x36, 0x3F, 0x28, 0x47,
			0x06, 0x0C, 0x0E, 0x12,
			0x14, 0x12, 0x14, 0x12,
			0x1A, 0x00, 0x12, 0x19,
			0x33, 0x36, 0x3F, 0x28,
			0x47, 0x06, 0x0C, 0x0E,
			0x12, 0x14, 0x12, 0x14,
			0x12, 0x1A
		}
	},

	//SET PIXEL FORMAT
	{0x3A, 1, {0x77}},

	//sleep out
	{0x29, 0, {}},
};

static struct LCM_setting_table lcm_deep_sleep_mode_in_setting[] = {
	// Display off sequence
	{0x28, 0, {}},

	// Sleep Mode On
	{0x10, 0, {}},
	{REGFLAG_DELAY, 120, {}},
	{REGFLAG_END_OF_TABLE, 0x00, {}}
};

static void push_table(struct LCM_setting_table *table, unsigned int count, unsigned char force_update)
{
	unsigned int i;

	for (i = 0; i < count; i++) {

		unsigned cmd;
		cmd = table[i].cmd;

		switch (cmd) {

			case REGFLAG_DELAY :
				MDELAY(table[i].count);
				break;

			case REGFLAG_END_OF_TABLE :
				break;

			default:
				dsi_set_cmdq_V2(cmd, table[i].count, table[i].para_list, force_update);
		}
	}

}


// ---------------------------------------------------------------------------
//  LCM Driver Implementations
// ---------------------------------------------------------------------------

static void lcm_set_util_funcs(const LCM_UTIL_FUNCS *util)
{
	memcpy(&lcm_util, util, sizeof(LCM_UTIL_FUNCS));
}


static void lcm_get_params(LCM_PARAMS *params)
{
	memset(params, 0, sizeof(LCM_PARAMS));

	params->type   = LCM_TYPE_DSI;
	params->width  = FRAME_WIDTH;
	params->height = FRAME_HEIGHT;

	// enable tearing-free
	params->dbi.te_mode                 = LCM_DBI_TE_MODE_VSYNC_ONLY;
	params->dbi.te_edge_polarity        = LCM_POLARITY_RISING;
	params->dsi.mode   = SYNC_PULSE_VDO_MODE;

	// DSI
	/* Command mode setting */
	params->dsi.LANE_NUM                = LCM_TWO_LANE;
	//The following defined the fomat for data coming from LCD engine.
	params->dsi.data_format.color_order = LCM_COLOR_ORDER_RGB;
	params->dsi.data_format.trans_seq   = LCM_DSI_TRANS_SEQ_MSB_FIRST;
	params->dsi.data_format.padding     = LCM_DSI_PADDING_ON_LSB;
	params->dsi.data_format.format      = LCM_DSI_FORMAT_RGB888;

	// Highly depends on LCD driver capability.
	// Not support in MT6573
	params->dsi.packet_size=256;
	params->dsi.PS=LCM_PACKED_PS_24BIT_RGB888;

	params->dsi.vertical_sync_active                = 2;
	params->dsi.vertical_backporch                  = 8;
	params->dsi.vertical_frontporch                 = 15;
	params->dsi.vertical_active_line                = FRAME_HEIGHT;

	params->dsi.horizontal_sync_active              = 76;
	params->dsi.horizontal_backporch                = 76;
	params->dsi.horizontal_frontporch               = 76;
	params->dsi.horizontal_active_pixel             = FRAME_WIDTH;

#ifndef CONFIG_FPGA_EARLY_PORTING
	params->dsi.PLL_CLOCK = 475;
#else
	params->dsi.pll_div1 = 0;
	params->dsi.pll_div2 = 0;
	params->dsi.fbk_div = 0x1;
#endif

	params->dsi.cont_clock=1;

	/*
	    params->dsi.clk_lp_per_line_enable = 0;
	    params->dsi.esd_check_enable = 0;
	    params->dsi.customization_esd_check_enable = 0;
	    params->dsi.lcm_esd_check_table[0].cmd          = 0x53;
	    params->dsi.lcm_esd_check_table[0].count        = 1;
	    params->dsi.lcm_esd_check_table[0].para_list[0] = 0x24;
	*/
}


static void lcm_init(void)
{
	/* enable backlight */
	upmu_set_rg_vgp1_vosel(0x7);
	upmu_set_rg_vgp1_en(0x1);

	SET_RESET_PIN(1);
	SET_RESET_PIN(0);
	MDELAY(10);
	SET_RESET_PIN(1);
	MDELAY(20);

	push_table(lcm_initialization_setting, sizeof(lcm_initialization_setting) / sizeof(struct LCM_setting_table), 1);
}


static void lcm_suspend(void)
{
	push_table(lcm_deep_sleep_mode_in_setting, sizeof(lcm_deep_sleep_mode_in_setting) / sizeof(struct LCM_setting_table), 1);
}


static void lcm_resume(void)
{
	lcm_init();
}

LCM_DRIVER hx8392a_dsi_vdo_2lane_lcm_drv = {
	.name           = "hx8392a_vdo_2lane",
	.set_util_funcs = lcm_set_util_funcs,
	.get_params     = lcm_get_params,
	.init           = lcm_init,
	.suspend        = lcm_suspend,
	.resume         = lcm_resume,
};