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#include <linux/kernel.h>
#include <linux/bug.h>
#include <linux/delay.h>
#include "../sprdfb_panel.h"
#include <mach/gpio.h>
#define LCD_DEBUG
#ifdef LCD_DEBUG
#define LCD_PRINT printk
#else
#define LCD_PRINT(...)
#endif
#define MAX_DATA 100
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[] = {
//Power setting Sequence
{LCM_SEND(8),{6,0,0xF0,0x55,0xAA,0x52,0x08,0x01}},
{LCM_SEND(4),{2,0,0xB0,0x08}},
{LCM_SEND(4),{2,0,0xB2,0x40}},
{LCM_SEND(4),{2,0,0xB3,0x28}},
{LCM_SEND(4),{2,0,0xB4,0x19}},
{LCM_SEND(4),{2,0,0xB5,0x54}},
{LCM_SEND(4),{2,0,0xB9,0x36}},
{LCM_SEND(4),{2,0,0xBA,0x024}},
{LCM_SEND(5),{3,0,0xBC,0xA0,0x00}},
{LCM_SEND(5),{3,0,0xBD,0xA0,0x00}},
//gamma setting
{LCM_SEND(19),{17,0,0xD1,0x00,0x3D,0x00,0x67,0x00,0x97,0x00,0xBE,0x00,0xE4,0x01,0x1B,0x01,0x45,0x01,0x80}},
{LCM_SEND(19),{17,0,0xD2,0x01,0xA8,0x01,0xDF,0x02,0x06,0x02,0x3C,0x02,0x65,0x02,0x66,0x02,0x89,0x02,0xAC}},
{LCM_SEND(19),{17,0,0xD3,0x02,0xC0,0x02,0xD8,0x02,0xE6,0x02,0xF8,0x03,0x04,0x03,0x14,0x03,0x1E,0x03,0x2B}},
{LCM_SEND(7),{5,0,0xD4,0x03,0x5A,0x03,0x9A}},
{LCM_SEND(19),{17,0,0xD5,0x00,0x3D,0x00,0x67,0x00,0x97,0x00,0xBE,0x00,0xE4,0x01,0x1B,0x01,0x45,0x01,0x80}},
{LCM_SEND(19),{17,0,0xD6,0x01,0xA8,0x01,0xDF,0x02,0x06,0x02,0x3C,0x02,0x65,0x02,0x66,0x02,0x89,0x02,0xAC}},
{LCM_SEND(19),{17,0,0xD7,0x02,0xC0,0x02,0xD8,0x02,0xE6,0x02,0xF8,0x03,0x04,0x03,0x14,0x03,0x1E,0x03,0x2B}},
{LCM_SEND(7),{5,0,0xD8,0x03,0x5A,0x03,0x9A}},
{LCM_SEND(19),{17,0,0xD9,0x00,0x3D,0x00,0x67,0x00,0x97,0x00,0xBE,0x00,0xE4,0x01,0x1B,0x01,0x45,0x01,0x80}},
{LCM_SEND(19),{17,0,0xDD,0x01,0xA8,0x01,0xDF,0x02,0x06,0x02,0x3C,0x02,0x65,0x02,0x66,0x02,0x89,0x02,0xAC}},
{LCM_SEND(19),{17,0,0xDE,0x02,0xC0,0x02,0xD8,0x02,0xE6,0x02,0xF8,0x03,0x04,0x03,0x14,0x03,0x1E,0x03,0x2B}},
{LCM_SEND(7),{5,0,0xDF,0x03,0x5A,0x03,0x9A}},
{LCM_SEND(19),{17,0,0xE0,0x00,0x3D,0x00,0x67,0x00,0x97,0x00,0xBE,0x00,0xE4,0x01,0x1B,0x01,0x45,0x01,0x80}},
{LCM_SEND(19),{17,0,0xE1,0x01,0xA8,0x01,0xDF,0x02,0x06,0x02,0x3C,0x02,0x65,0x02,0x66,0x02,0x89,0x02,0xAC}},
{LCM_SEND(19),{17,0,0xE2,0x02,0xC0,0x02,0xD8,0x02,0xE6,0x02,0xF8,0x03,0x04,0x03,0x14,0x03,0x1E,0x03,0x2B}},
{LCM_SEND(7),{5,0,0xE3,0x03,0x5A,0x03,0x9A}},
{LCM_SEND(19),{17,0,0xE4,0x00,0x3D,0x00,0x67,0x00,0x97,0x00,0xBE,0x00,0xE4,0x01,0x1B,0x01,0x45,0x01,0x80}},
{LCM_SEND(19),{17,0,0xE5,0x01,0xA8,0x01,0xDF,0x02,0x06,0x02,0x3C,0x02,0x65,0x02,0x66,0x02,0x89,0x02,0xAC}},
{LCM_SEND(19),{17,0,0xE6,0x02,0xC0,0x02,0xD8,0x02,0xE6,0x02,0xF8,0x03,0x04,0x03,0x14,0x03,0x1E,0x03,0x2B}},
{LCM_SEND(7),{5,0,0xE7,0x03,0x5A,0x03,0x9A}},
{LCM_SEND(19),{17,0,0xE8,0x00,0x3D,0x00,0x67,0x00,0x97,0x00,0xBE,0x00,0xE4,0x01,0x1B,0x01,0x45,0x01,0x80}},
{LCM_SEND(19),{17,0,0xE9,0x01,0xA8,0x01,0xDF,0x02,0x06,0x02,0x3C,0x02,0x65,0x02,0x66,0x02,0x89,0x02,0xAC}},
{LCM_SEND(19),{17,0,0xEA,0x02,0xC0,0x02,0xD8,0x02,0xE6,0x02,0xF8,0x03,0x04,0x03,0x14,0x03,0x1E,0x03,0x2B}},
{LCM_SEND(7),{5,0,0xEB,0x03,0x5A,0x03,0x9A}},
//initializing sequence
{LCM_SEND(8),{6,0,0xF0,0x55,0xAA,0x52,0x08,0x00}},
{LCM_SEND(5),{3,0,0xB1,0x16,0x08}},
{LCM_SEND(5),{3,0,0xB4,0x08,0x50}},
{LCM_SEND(4),{2,0,0xB6,0x03}},
{LCM_SEND(5),{3,0,0xB7,0x70,0x70}},
{LCM_SEND(5),{3,0,0xB8,0x61,0x66}},
{LCM_SEND(4),{2,0,0xBC,0x02}},
{LCM_SEND(21),{19,0,0xC8,0x80,0x00,0x46,0x64,0x46,0x64,0x46,0x64,0x46,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64}},
{LCM_SEND(8),{6,0,0xF0,0x55,0xAA,0x52,0x00,0x00}},
{LCM_SEND(7),{5,0,0xFF,0xAA,0x55,0x25,0x01}},
{LCM_SEND(4),{2,0,0x6F,0x02}},
{LCM_SEND(4),{2,0,0xF4,0x57}},
{LCM_SEND(6),{4,0,0xAA,0x55,0x25,0x00}},
{LCM_SEND(4),{2,0,0x36,0x00}},
{LCM_SEND(4),{2,0,0x35,0x00}},
{LCM_SEND(4),{2,0,0x0B,0xD8}},
//Display on
{LCM_SEND(1),{0x11}},
{LCM_SLEEP(120)},
{LCM_SEND(1),{0x29}},
{LCM_SLEEP(100)},
};
static LCM_Init_Code disp_on[] = {
{LCM_SEND(1),{0x11}},
{LCM_SLEEP(120)},
{LCM_SEND(1),{0x29}},
{LCM_SLEEP(100)},
};
static LCM_Init_Code sleep_in[] = {
{LCM_SEND(1), {0x28}},
{LCM_SLEEP(150)}, //>150ms
{LCM_SEND(1), {0x10}},
{LCM_SLEEP(150)}, //>150ms
};
static LCM_Init_Code sleep_out[] = {
{LCM_SEND(1), {0x11}},
{LCM_SLEEP(120)},//>120ms
{LCM_SEND(1), {0x29}},
{LCM_SLEEP(20)}, //>20ms
};
static int32_t nt35502_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_dcs_write_t mipi_dcs_write = self->info.mipi->ops->mipi_dcs_write;
mipi_eotp_set_t mipi_eotp_set = self->info.mipi->ops->mipi_eotp_set;
printk("kernel nt35502_mipi_init\n");
mipi_set_cmd_mode();
mipi_eotp_set(0,0);
for(i = 0; i < ARRAY_SIZE(init_data); i++){
tag = (init->tag >>24);
if(tag & LCM_TAG_SEND){
mipi_dcs_write(init->data, (init->tag & LCM_TAG_MASK));
udelay(20);
}else if(tag & LCM_TAG_SLEEP){
msleep(init->tag & LCM_TAG_MASK);
}
init++;
}
mipi_eotp_set(0,0);
return 0;
}
static uint32_t nt35502_readid(struct panel_spec *self)
{
int32_t j =0;
uint8_t read_data[4] = {0};
int32_t read_rtn = 0;
uint8_t param[2] = {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;
LCD_PRINT("kernel lcd_nt35502_mipi read id!\n");
mipi_set_cmd_mode();
mipi_eotp_set(0,0);
for(j = 0; j < 4; j++){
param[0] = 0x01;
param[1] = 0x00;
mipi_force_write(0x04, param, 2);
read_rtn = mipi_force_read(0xda,1,&read_data[0]);
LCD_PRINT("lcd_nt35502_mipi read id 0xda value is 0x%x!\n",read_data[0]);
read_rtn = mipi_force_read(0xdb,1,&read_data[1]);
LCD_PRINT("lcd_nt35502_mipi read id 0xdb value is 0x%x!\n",read_data[1]);
read_rtn = mipi_force_read(0xdc,1,&read_data[2]);
LCD_PRINT("lcd_nt35502_mipi read id 0xdc value is 0x%x!\n",read_data[2]);
// if((0x55 == read_data[0])&&(0xbc == read_data[1])&&(0x90 == read_data[2])){
printk("lcd_nt35502_mipi read id success!\n");
return 0x8370;
// }
}
mipi_eotp_set(0,0);
return 0;
}
static int32_t nt35502_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_set_cmd_mode_t mipi_set_cmd_mode = self->info.mipi->ops->mipi_set_cmd_mode;
mipi_dcs_write_t mipi_dcs_write = self->info.mipi->ops->mipi_dcs_write;
mipi_eotp_set_t mipi_eotp_set = self->info.mipi->ops->mipi_eotp_set;
printk("kernel nt35502_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_set_cmd_mode();
mipi_eotp_set(0,0);
for(i = 0; i <size ; i++){
tag = (sleep_in_out->tag >>24);
if(tag & LCM_TAG_SEND){
mipi_dcs_write(sleep_in_out->data, (sleep_in_out->tag & LCM_TAG_MASK));
}else if(tag & LCM_TAG_SLEEP){
msleep(sleep_in_out->tag & LCM_TAG_MASK);
}
sleep_in_out++;
}
mipi_eotp_set(0,0);
return 0;
}
static struct panel_operations lcd_nt35502_mipi_operations = {
.panel_init = nt35502_mipi_init,
.panel_readid = nt35502_readid,
.panel_enter_sleep = nt35502_enter_sleep,
};
static struct timing_rgb lcd_nt35502_mipi_timing = {
.hfp = 160, /* unit: pixel */
.hbp = 20,
.hsync = 20,
.vfp = 1, /*unit: line*/
.vbp = 11,
.vsync = 4,
};
static struct info_mipi lcd_nt35502_mipi_info = {
.work_mode = SPRDFB_MIPI_MODE_VIDEO,
.video_bus_width = 24, /*18,16*/
.lan_number = 2,
.phy_feq =500*1000,
.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_nt35502_mipi_timing,
.ops = NULL,
};
struct panel_spec lcd_nt35502_mipi_spec = {
.width = 480,
.height = 800,
.fps = 62,
.type = LCD_MODE_DSI,
.direction = LCD_DIRECT_NORMAL,
.info = {
.mipi = &lcd_nt35502_mipi_info
},
.ops = &lcd_nt35502_mipi_operations,
};
struct panel_cfg lcd_nt35502_mipi = {
/* this panel can only be main lcd */
.dev_id = SPRDFB_MAINLCD_ID,
.lcd_id = 0x8370,
.lcd_name = "lcd_nt35502_mipi",
.panel = &lcd_nt35502_mipi_spec,
};
//temp code
static int __init lcd_nt35502_mipi_init(void)
{
/*
printk("nt35502_mipi_init: set lcd backlight.\n");
if (gpio_request(214, "LCD_BL")) {
printk("Failed ro request LCD_BL GPIO_%d \n",
214);
return -ENODEV;
}
gpio_direction_output(214, 1);
gpio_set_value(214, 1);
*/
return sprdfb_panel_register(&lcd_nt35502_mipi);
}
subsys_initcall(lcd_nt35502_mipi_init);
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