Initial file dump from open source releaseHEADmaster

1 files changed, 485 insertions, 0 deletions

diff --git a/drivers/video/sprdfb/lcd/lcd_t8861_mipi.c b/drivers/video/sprdfb/lcd/lcd_t8861_mipi.c
new file mode 100644
index 00000000..51e8a908
--- /dev/null
+++ b/drivers/video/sprdfb/lcd/lcd_t8861_mipi.c
@@ -0,0 +1,485 @@
+/* drivers/video/sprdfb/lcd/lcd_t8861_mipi.c

+ *

+ * Support for t8861 mipi LCD device

+ *

+ * Copyright (C) 2010 Spreadtrum

+ *

+ * This software is licensed under the terms of the GNU General Public

+ * License version 2, as published by the Free Software Foundation, and

+ * may be copied, distributed, and modified under those terms.

+ *

+ * 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 <linux/kernel.h>

+#include <linux/bug.h>

+#include <linux/delay.h>

+#include "../sprdfb_panel.h"

+

+//#define  LCD_DEBUG

+#ifdef LCD_DEBUG

+#define LCD_PRINT printk

+#else

+#define LCD_PRINT(...)

+#endif

+

+#define MAX_DATA   48

+

+typedef struct LCM_Init_Code_tag {

+	unsigned int tag;

+	unsigned char data[MAX_DATA];

+}LCM_Init_Code;

+

+typedef struct LCM_force_cmd_code_tag{

+	unsigned int datatype;

+	LCM_Init_Code real_cmd_code;

+}LCM_Force_Cmd_Code;

+

+#define LCM_TAG_SHIFT 24

+#define LCM_TAG_MASK  ((1 << 24) -1)

+#define LCM_SEND(len) ((1 << LCM_TAG_SHIFT)| len)

+#define LCM_SLEEP(ms) ((2 << LCM_TAG_SHIFT)| ms)

+//#define ARRAY_SIZE(array) ( sizeof(array) / sizeof(array[0]))

+

+#define LCM_TAG_SEND  (1<< 0)

+#define LCM_TAG_SLEEP (1 << 1)

+

+static LCM_Init_Code init_data[] = {

+

+	{LCM_SEND(8), {6, 0,0xFF,0xFF,0x98,0x06,0x04,0x01}},

+	{LCM_SLEEP(5)},

+

+	{LCM_SEND(2), {0x08,0x10}},

+

+	{LCM_SEND(2), {0x21,0x01}},

+

+	{LCM_SEND(2), {0x30,0x02}},

+	{LCM_SEND(2), {0x31,0x00}}, //0x02

+

+	{LCM_SEND(2), {0x60,0x07}},

+	{LCM_SEND(2), {0x61,0x06}},

+	{LCM_SEND(2), {0x62,0x06}},

+	{LCM_SEND(2), {0x63,0x04}},

+

+	{LCM_SEND(2), {0x40,0x14}},

+	{LCM_SEND(2), {0x41,0x44}},//22

+	{LCM_SEND(2), {0x42,0x01}},

+	{LCM_SEND(2), {0x43,0x89}},

+	{LCM_SEND(2), {0x44,0x89}},

+	{LCM_SEND(2), {0x45,0x1b}},

+	{LCM_SEND(2), {0x46,0x44}},

+	{LCM_SEND(2), {0x47,0x44}},

+

+	{LCM_SEND(2), {0x50,0x85}},

+	{LCM_SEND(2), {0x51,0x85}},

+	{LCM_SEND(2), {0x52,0x00}},

+	{LCM_SEND(2), {0x53,0x64}},//90

+	

+	//{LCM_SEND(8), {6, 0,0xFF,0xFF,0x98,0x06,0x04,0x01}},

+

+	{LCM_SEND(2), {0xA0,0x00}},

+	{LCM_SEND(2), {0xA1,0x00}},//01

+	{LCM_SEND(2), {0xA2,0x03}},//08

+	{LCM_SEND(2), {0xA3,0x0e}},//0e

+	{LCM_SEND(2), {0xA4,0x08}},//08

+	{LCM_SEND(2), {0xA5,0x1f}},//19

+	{LCM_SEND(2), {0xA6,0x0f}},//0b

+	{LCM_SEND(2), {0xA7,0x0b}},//0a

+	{LCM_SEND(2), {0xA8,0x03}},//02

+	{LCM_SEND(2), {0xA9,0x06}},//08

+	{LCM_SEND(2), {0xAA,0x05}},//04

+	{LCM_SEND(2), {0xAB,0x02}},//03

+	{LCM_SEND(2), {0xAC,0x0e}},//0a

+	{LCM_SEND(2), {0xAD,0x25}},//2c

+	{LCM_SEND(2), {0xAE,0x1d}},//28

+	{LCM_SEND(2), {0xAF,0x00}},

+

+	{LCM_SEND(2), {0xC0,0x00}},//00

+	{LCM_SEND(2), {0xC1,0x04}},//02

+	{LCM_SEND(2), {0xC2,0x0f}},//09

+	{LCM_SEND(2), {0xC3,0x10}},//0e

+	{LCM_SEND(2), {0xC4,0x0b}},//09

+	{LCM_SEND(2), {0xC5,0x1e}},//19

+	{LCM_SEND(2), {0xC6,0x09}},//0a

+	{LCM_SEND(2), {0xC7,0x0a}},//0a

+	{LCM_SEND(2), {0xC8,0x00}},//02

+	{LCM_SEND(2), {0xC9,0x0a}},//07

+	{LCM_SEND(2), {0xCA,0x01}},//05

+	{LCM_SEND(2), {0xCB,0x06}},//04

+	{LCM_SEND(2), {0xCC,0x09}},//0a

+	{LCM_SEND(2), {0xCD,0x2a}},//2d

+	{LCM_SEND(2), {0xCE,0x28}},//28

+	{LCM_SEND(2), {0xCF,0x00}},//00

+	

+	{LCM_SEND(8), {6, 0,0xFF,0xFF,0x98,0x06,0x04,0x06}},

+	{LCM_SEND(2), {0x00,0xa0}},

+	{LCM_SEND(2), {0x01,0x05}},

+	{LCM_SEND(2), {0x02,0x00}},

+	{LCM_SEND(2), {0x03,0x00}},

+	{LCM_SEND(2), {0x04,0x01}},

+	{LCM_SEND(2), {0x05,0x01}},

+	{LCM_SEND(2), {0x06,0x88}},

+	{LCM_SEND(2), {0x07,0x04}},

+	{LCM_SEND(2), {0x08,0x01}},

+	{LCM_SEND(2), {0x09,0x90}},

+	{LCM_SEND(2), {0x0A,0x04}},

+	{LCM_SEND(2), {0x0B,0x01}},

+	{LCM_SEND(2), {0x0C,0x01}},

+	{LCM_SEND(2), {0x0D,0x01}},

+	{LCM_SEND(2), {0x0E,0x00}},

+	{LCM_SEND(2), {0x0F,0x00}},

+

+	{LCM_SEND(2), {0x10,0x55}},

+	{LCM_SEND(2), {0x11,0x50}},

+	{LCM_SEND(2), {0x12,0x01}},

+	{LCM_SEND(2), {0x13,0x85}},

+	{LCM_SEND(2), {0x14,0x85}},

+	{LCM_SEND(2), {0x15,0xc0}},

+	{LCM_SEND(2), {0x16,0x0B}},

+	{LCM_SEND(2), {0x17,0x00}},

+	{LCM_SEND(2), {0x18,0x00}},

+	{LCM_SEND(2), {0x19,0x00}},

+	{LCM_SEND(2), {0x1A,0x00}},

+	{LCM_SEND(2), {0x1B,0x00}},

+	{LCM_SEND(2), {0x1C,0x00}},

+	{LCM_SEND(2), {0x1D,0x00}},

+

+	{LCM_SEND(2), {0x20,0x01}},

+	{LCM_SEND(2), {0x21,0x23}},

+	{LCM_SEND(2), {0x22,0x45}},

+	{LCM_SEND(2), {0x23,0x67}},

+	{LCM_SEND(2), {0x24,0x01}},

+	{LCM_SEND(2), {0x25,0x23}},

+	{LCM_SEND(2), {0x26,0x45}},

+	{LCM_SEND(2), {0x27,0x67}},

+

+	{LCM_SEND(2), {0x30,0x02}},

+	{LCM_SEND(2), {0x31,0x22}},

+	{LCM_SEND(2), {0x32,0x11}},

+	{LCM_SEND(2), {0x33,0xaa}},

+	{LCM_SEND(2), {0x34,0xbb}},

+	{LCM_SEND(2), {0x35,0x66}},

+	{LCM_SEND(2), {0x36,0x00}},

+	{LCM_SEND(2), {0x37,0x22}},

+	{LCM_SEND(2), {0x38,0x22}},

+	{LCM_SEND(2), {0x39,0x22}},

+	{LCM_SEND(2), {0x3A,0x22}},

+	{LCM_SEND(2), {0x3B,0x22}},

+	{LCM_SEND(2), {0x3C,0x22}},

+	{LCM_SEND(2), {0x3D,0x22}},

+	{LCM_SEND(2), {0x3E,0x22}},

+	{LCM_SEND(2), {0x3F,0x22}},

+

+	{LCM_SEND(2), {0x40,0x22}},

+	{LCM_SEND(2), {0x53,0x1a}},

+	

+	{LCM_SEND(8), {6, 0,0xFF,0xFF,0x98,0x06,0x04,0x07}},

+	{LCM_SEND(2), {0x18,0x1d}},

+	{LCM_SEND(2), {0x17,0x12}},

+

+	{LCM_SEND(2), {0x02,0x77}},

+	

+	{LCM_SEND(2), {0xe1,0x79}},

+	

+	{LCM_SEND(2), {0x06,0x13}},

+

+	{LCM_SEND(8), {6, 0,0xFF,0xFF,0x98,0x06,0x04,0x00}},

+	

+//	{LCM_SEND(2), {0x35,0x00}},

+

+	{LCM_SEND(1), {0x11}}, 	

+	{LCM_SLEEP(120)},

+

+	{LCM_SEND(1), {0x29}},

+	{LCM_SLEEP(1)},

+	

+//	{LCM_SEND(8), {6, 0,0xFF,0xFF,0x98,0x06,0x04,0x08}},

+	

+};

+

+static LCM_Init_Code disp_on =  {LCM_SEND(1), {0x29}};

+

+static LCM_Init_Code sleep_in[] =  {

+	{LCM_SEND(8), {6, 0,0xFF,0xFF,0x98,0x06,0x04,0x00}},

+	{LCM_SLEEP(1)},

+

+	

+	{LCM_SEND(8), {6, 0,0xFF,0xFF,0x98,0x06,0x04,0x00}},

+	{LCM_SLEEP(1)},

+

+{LCM_SEND(1), {0x28}},

+{LCM_SLEEP(120)},

+{LCM_SEND(1), {0x10}},

+{LCM_SLEEP(10)},

+		{LCM_SEND(8), {6, 0,0xFF,0xFF,0x98,0x06,0x04,0x01}},

+		{LCM_SLEEP(1)},

+		

+	{LCM_SEND(2), {0x58,0x91}},

+

+};

+

+static LCM_Init_Code sleep_out[] =  {

+{LCM_SEND(1), {0x11}},

+{LCM_SLEEP(120)},

+{LCM_SEND(1), {0x29}},

+{LCM_SLEEP(20)},

+};

+

+static LCM_Force_Cmd_Code rd_prep_code[]={

+	{0x39, {LCM_SEND(8), {0x6, 0, 0xFF, 0xFF, 0x98, 0x06,0x04,0x01}}},

+	{0x37, {LCM_SEND(2), {0x3, 0}}},

+};

+

+static LCM_Force_Cmd_Code rd_prep_code_1[]={

+	{0x37, {LCM_SEND(2), {0x1, 0}}},

+};

+static int32_t t8861_mipi_init(struct panel_spec *self)

+{

+	int32_t i;

+	LCM_Init_Code *init = init_data;

+	unsigned int tag;

+

+	mipi_set_cmd_mode_t mipi_set_cmd_mode = self->info.mipi->ops->mipi_set_cmd_mode;

+	mipi_gen_write_t mipi_gen_write = self->info.mipi->ops->mipi_gen_write;

+	mipi_eotp_set_t mipi_eotp_set = self->info.mipi->ops->mipi_eotp_set;

+

+	pr_debug(KERN_DEBUG "t8861_mipi_init\n");

+

+	msleep(2);

+	mipi_set_cmd_mode();

+	mipi_eotp_set(1,0);

+

+	for(i = 0; i < ARRAY_SIZE(init_data); i++){

+		tag = (init->tag >>24);

+		if(tag & LCM_TAG_SEND){

+			mipi_gen_write(init->data, (init->tag & LCM_TAG_MASK));

+			udelay(20);

+		}else if(tag & LCM_TAG_SLEEP){

+			//udelay((init->tag & LCM_TAG_MASK) * 1000);

+				msleep(init->tag & LCM_TAG_MASK);

+		}

+		init++;

+	}

+	mipi_eotp_set(1,1);

+

+	return 0;

+}

+

+static uint32_t t8861_readid(struct panel_spec *self)

+{

+	/*Jessica TODO: need read id*/

+	int32_t i = 0;

+	uint32_t j =0;

+	LCM_Force_Cmd_Code * rd_prepare = rd_prep_code;

+	uint8_t read_data[3] = {0};

+	int32_t read_rtn = 0;

+	unsigned int tag = 0;

+	mipi_set_cmd_mode_t mipi_set_cmd_mode = self->info.mipi->ops->mipi_set_cmd_mode;

+	mipi_force_write_t mipi_force_write = self->info.mipi->ops->mipi_force_write;

+	mipi_force_read_t mipi_force_read = self->info.mipi->ops->mipi_force_read;

+	mipi_eotp_set_t mipi_eotp_set = self->info.mipi->ops->mipi_eotp_set;

+  

+	printk("lcd_t8861_mipi read id!\n");

+

+	mipi_set_cmd_mode();

+	mipi_eotp_set(1,0);

+

+	for(j = 0; j < 4; j++){

+		rd_prepare = rd_prep_code;

+		for(i = 0; i < ARRAY_SIZE(rd_prep_code); i++){

+			tag = (rd_prepare->real_cmd_code.tag >> 24);

+			if(tag & LCM_TAG_SEND){

+				mipi_force_write(rd_prepare->datatype, rd_prepare->real_cmd_code.data, (rd_prepare->real_cmd_code.tag & LCM_TAG_MASK));

+			}else if(tag & LCM_TAG_SLEEP){

+				udelay((rd_prepare->real_cmd_code.tag & LCM_TAG_MASK) * 1000);

+			}

+			rd_prepare++;

+		}

+		read_rtn = mipi_force_read(0x02, 3,(uint8_t *)read_data);

+		printk("lcd_t8861_mipi read id 0xc5 value is 0x%x, 0x%x, 0x%x!\n", read_data[0], read_data[1], read_data[2]);

+

+		if((0x04 == read_data[0])){

+			printk("lcd_t8861_mipi read id success!\n");

+			mipi_eotp_set(1,1);

+			return 0x04;

+		}

+	}

+	mipi_eotp_set(1,1);

+	return 0x0;

+}

+

+static int32_t t8861_enter_sleep(struct panel_spec *self, uint8_t is_sleep)

+{

+	int32_t i;

+	LCM_Init_Code *sleep_in_out = NULL;

+	unsigned int tag;

+	int32_t size = 0;

+

+	mipi_gen_write_t mipi_gen_write = self->info.mipi->ops->mipi_gen_write;

+	mipi_eotp_set_t mipi_eotp_set = self->info.mipi->ops->mipi_eotp_set;

+

+	printk(KERN_DEBUG "t8861_enter_sleep, is_sleep = %d\n", is_sleep);

+

+	if(is_sleep){

+		sleep_in_out = sleep_in;

+		size = ARRAY_SIZE(sleep_in);

+	}else{

+		sleep_in_out = sleep_out;

+		size = ARRAY_SIZE(sleep_out);

+	}

+	mipi_eotp_set(1,0);

+

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

+		tag = (sleep_in_out->tag >>24);

+		if(tag & LCM_TAG_SEND){

+			mipi_gen_write(sleep_in_out->data, (sleep_in_out->tag & LCM_TAG_MASK));

+		}else if(tag & LCM_TAG_SLEEP){

+			//udelay((sleep_in_out->tag & LCM_TAG_MASK) * 1000);

+			msleep((sleep_in_out->tag & LCM_TAG_MASK));

+		}

+		sleep_in_out++;

+	}

+	return 0;

+}

+

+static uint32_t t8861_readpowermode(struct panel_spec *self)

+{

+	int32_t i = 0;

+	uint32_t j =0;

+	LCM_Force_Cmd_Code * rd_prepare = rd_prep_code_1;

+	uint8_t read_data[1] = {0};

+	int32_t read_rtn = 0;

+	unsigned int tag = 0;

+	uint32_t reg_val_1 = 0;

+	uint32_t reg_val_2 = 0;

+

+	mipi_force_write_t mipi_force_write = self->info.mipi->ops->mipi_force_write;

+	mipi_force_read_t mipi_force_read = self->info.mipi->ops->mipi_force_read;

+	mipi_eotp_set_t mipi_eotp_set = self->info.mipi->ops->mipi_eotp_set;

+

+	pr_debug("lcd_t8861_mipi read power mode!\n");

+	mipi_eotp_set(0,1);

+

+	for(j = 0; j < 4; j++){

+		rd_prepare = rd_prep_code_1;

+		for(i = 0; i < ARRAY_SIZE(rd_prep_code_1); i++){

+			tag = (rd_prepare->real_cmd_code.tag >> 24);

+			if(tag & LCM_TAG_SEND){

+				mipi_force_write(rd_prepare->datatype, rd_prepare->real_cmd_code.data, (rd_prepare->real_cmd_code.tag & LCM_TAG_MASK));

+			}else if(tag & LCM_TAG_SLEEP){

+				udelay((rd_prepare->real_cmd_code.tag & LCM_TAG_MASK) * 1000);

+			}

+			rd_prepare++;

+		}

+

+		read_rtn = mipi_force_read(0x0A, 1,(uint8_t *)read_data);

+		//printk("lcd_t8861 mipi read power mode 0x0A value is 0x%x! , read result(%d)\n", read_data[0], read_rtn);

+

+		if((0x9c == read_data[0])  && (0 == read_rtn)){

+			pr_debug("lcd_t8861_mipi read power mode success!\n");

+			mipi_eotp_set(1,1);

+			return 0x9c;

+		}

+	}

+

+	mipi_eotp_set(1,1);

+	return 0x0;

+}

+

+

+static uint32_t t8861_check_esd(struct panel_spec *self)

+{

+	uint32_t power_mode;

+

+	pr_debug("t8861_check_esd!\n");

+	mipi_set_lp_mode_t mipi_set_data_lp_mode = self->info.mipi->ops->mipi_set_data_lp_mode;

+	mipi_set_hs_mode_t mipi_set_data_hs_mode = self->info.mipi->ops->mipi_set_data_hs_mode;

+

+	mipi_set_lp_mode_t mipi_set_lp_mode = self->info.mipi->ops->mipi_set_lp_mode;

+	mipi_set_hs_mode_t mipi_set_hs_mode = self->info.mipi->ops->mipi_set_hs_mode;

+	uint16_t work_mode = self->info.mipi->work_mode;

+

+	if(SPRDFB_MIPI_MODE_CMD==work_mode){

+		mipi_set_lp_mode();

+	}else{

+		mipi_set_data_lp_mode();

+	}

+	power_mode = t8861_readpowermode(self);

+	//power_mode = 0x0;

+	if(SPRDFB_MIPI_MODE_CMD==work_mode){

+		mipi_set_hs_mode();

+	}else{

+		mipi_set_data_hs_mode();

+	}

+	if(power_mode == 0x9c){

+		pr_debug("t8861_check_esd OK!\n");

+		return 1;

+	}else{

+		printk("t8861_check_esd fail!(0x%x)\n", power_mode);

+		return 0;

+	}

+}

+

+

+static struct panel_operations lcd_t8861_mipi_operations = {

+	.panel_init = t8861_mipi_init,

+	.panel_readid = t8861_readid,

+	.panel_enter_sleep = t8861_enter_sleep,

+	.panel_esd_check = t8861_check_esd,

+};

+
+static struct timing_rgb lcd_t8861_mipi_timing = {

+	.hfp = 60,  /* unit: pixel */// 100

+	.hbp = 80,//80

+	.hsync = 60,//6

+	.vfp = 20, /*unit: line*/

+	.vbp = 14,

+	.vsync =6, //6,

+};

+

+static struct info_mipi lcd_t8861_mipi_info = {

+	.work_mode  = SPRDFB_MIPI_MODE_VIDEO,

+	.video_bus_width = 24, /*18,16*/

+	.lan_number = 2,

+	.phy_feq = 500*1000, //500->10MHz,400->8M in lp mode

+	.h_sync_pol = SPRDFB_POLARITY_POS,

+	.v_sync_pol = SPRDFB_POLARITY_POS,

+	.de_pol = SPRDFB_POLARITY_POS,

+	.te_pol = SPRDFB_POLARITY_POS,

+	.color_mode_pol = SPRDFB_POLARITY_NEG,

+	.shut_down_pol = SPRDFB_POLARITY_NEG,

+	.timing = &lcd_t8861_mipi_timing,

+	.ops = NULL,

+};

+

+struct panel_spec lcd_t8861_mipi_spec = {

+	//.cap = PANEL_CAP_NOT_TEAR_SYNC,

+	.width = 480,

+	.height = 800,

+	.fps = 60,

+	.type = LCD_MODE_DSI,

+	.direction = LCD_DIRECT_NORMAL,

+	.is_clean_lcd = true,

+	.info = {

+		.mipi = &lcd_t8861_mipi_info

+	},

+	.ops = &lcd_t8861_mipi_operations,

+};

+

+struct panel_cfg lcd_t8861_mipi = {

+	/* this panel can only be main lcd */

+	.dev_id = SPRDFB_MAINLCD_ID,

+	.lcd_id = 0x04,

+	.lcd_name = "lcd_t8861_mipi",

+	.panel = &lcd_t8861_mipi_spec,

+};

+

+static int __init lcd_t8861_mipi_init(void)

+{

+	return sprdfb_panel_register(&lcd_t8861_mipi);

+}

+

+subsys_initcall(lcd_t8861_mipi_init);