/* drivers/video/srpdfb/lcd_rm68180_mipi.c * * Support for rm68180 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 #include #include #include "../sprdfb_panel.h" //#define LCD_Delay(ms) uDelay(ms*1000) #define MAX_DATA 58 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_Force_Cmd_Code rd_prep_code_1[]={ {0x37, {LCM_SEND(2), {0x1, 0}}}, }; static LCM_Init_Code init_data[] = { #if 1 //l901 shengjing rm68180 {LCM_SEND(8),{6,0,0xF0,0x55,0xAA,0x52,0x08,0x01}}, {LCM_SEND(6),{4,0,0xB0,0x0D,0x0D,0x0D}}, {LCM_SEND(6),{4,0,0xB1,0x05,0x05,0x05}}, {LCM_SEND(6),{4,0,0xB6,0x34,0x34,0x34}}, {LCM_SEND(6),{4,0,0xB7,0x34,0x34,0x34}}, {LCM_SEND(6),{4,0,0xB8,0x24,0x24,0x24}}, {LCM_SEND(6),{4,0,0xB9,0x34,0x34,0x34}}, {LCM_SEND(6),{4,0,0xBA,0x04,0x04,0x04}}, {LCM_SEND(6),{4,0,0xBC,0x00,0x90,0x00}}, {LCM_SEND(6),{4,0,0xBD,0x00,0x90,0x00}}, {LCM_SEND(5),{3,0,0xBE,0x00,0x75}}, {LCM_SEND(2),{0xCC,0x05}}, {LCM_SEND(55),{53,0,0xD1,0x00,0x00,0x00,0x01,0x00,0x18,0x00,0x3B,0x00,0x60,0x00,0x9E,0x00,0xCF,0x01,0x17,0x01,0x4B,0x01,0x93,0x01,0xC6,0x02,0x10,0x02,0x48,0x02,0x49,0x02,0x79,0x02,0xAA,0x02,0xC4,0x02,0xE4,0x02,0xF8,0x03,0x10,0x03,0x20,0x03,0x36,0x03,0x46,0x03,0x5C,0x03,0x8B,0x03,0xFF}}, {LCM_SEND(55),{53,0,0xD2,0x00,0x00,0x00,0x01,0x00,0x18,0x00,0x3B,0x00,0x60,0x00,0x9E,0x00,0xCF,0x01,0x17,0x01,0x4B,0x01,0x93,0x01,0xC6,0x02,0x10,0x02,0x48,0x02,0x49,0x02,0x79,0x02,0xAA,0x02,0xC4,0x02,0xE4,0x02,0xF8,0x03,0x10,0x03,0x20,0x03,0x36,0x03,0x46,0x03,0x5C,0x03,0x8B,0x03,0xFF}}, {LCM_SEND(55),{53,0,0xD3,0x00,0x00,0x00,0x01,0x00,0x18,0x00,0x3B,0x00,0x60,0x00,0x9E,0x00,0xCF,0x01,0x17,0x01,0x4B,0x01,0x93,0x01,0xC6,0x02,0x10,0x02,0x48,0x02,0x49,0x02,0x79,0x02,0xAA,0x02,0xC4,0x02,0xE4,0x02,0xF8,0x03,0x10,0x03,0x20,0x03,0x36,0x03,0x46,0x03,0x5C,0x03,0x8B,0x03,0xFF}}, {LCM_SEND(55),{53,0,0xD4,0x00,0x00,0x00,0x01,0x00,0x18,0x00,0x3B,0x00,0x60,0x00,0x9E,0x00,0xCF,0x01,0x17,0x01,0x4B,0x01,0x93,0x01,0xC6,0x02,0x10,0x02,0x48,0x02,0x49,0x02,0x79,0x02,0xAA,0x02,0xC4,0x02,0xE4,0x02,0xF8,0x03,0x10,0x03,0x20,0x03,0x36,0x03,0x46,0x03,0x5C,0x03,0x8B,0x03,0xFF}}, {LCM_SEND(55),{53,0,0xD5,0x00,0x00,0x00,0x01,0x00,0x18,0x00,0x3B,0x00,0x60,0x00,0x9E,0x00,0xCF,0x01,0x17,0x01,0x4B,0x01,0x93,0x01,0xC6,0x02,0x10,0x02,0x48,0x02,0x49,0x02,0x79,0x02,0xAA,0x02,0xC4,0x02,0xE4,0x02,0xF8,0x03,0x10,0x03,0x20,0x03,0x36,0x03,0x46,0x03,0x5C,0x03,0x8B,0x03,0xFF}}, {LCM_SEND(55),{53,0,0xD6,0x00,0x00,0x00,0x01,0x00,0x18,0x00,0x3B,0x00,0x60,0x00,0x9E,0x00,0xCF,0x01,0x17,0x01,0x4B,0x01,0x93,0x01,0xC6,0x02,0x10,0x02,0x48,0x02,0x49,0x02,0x79,0x02,0xAA,0x02,0xC4,0x02,0xE4,0x02,0xF8,0x03,0x10,0x03,0x20,0x03,0x36,0x03,0x46,0x03,0x5C,0x03,0x8B,0x03,0xFF}}, {LCM_SEND(8),{6,0,0xF0,0x55,0xAA,0x52,0x08,0x00}}, {LCM_SEND(2),{0xB1,0xFC}}, {LCM_SEND(2),{0xB4,0x10}}, {LCM_SEND(2),{0xB6,0x01}}, {LCM_SEND(7),{5,0,0xB8,0x01,0x04,0x04,0x04}}, {LCM_SEND(2),{0xBA,0x01}}, {LCM_SEND(6),{4,0,0xBC,0x02,0x02,0x02}}, {LCM_SEND(2),{0x3A,0x77}}, //0x55 {LCM_SEND(5),{3,0,0xC9,0xC0,0x01}}, {LCM_SEND(8),{6,0,0xF0,0x55,0xAA,0x52,0x08,0x02}}, {LCM_SEND(2),{0xF6,0x60}}, {LCM_SEND(2),{0x35,0x00}}, {LCM_SEND(2),{0x36,0x00}}, {LCM_SEND(5),{3,0,0x44,0x00,0x50}}, {LCM_SEND(8),{6,0,0xF0,0x55,0xAA,0x52,0x08,0x01}}, {LCM_SEND(7),{5,0,0x2A,0x00,0x00,0x01,0xDF}}, {LCM_SEND(7),{5,0,0x2B,0x00,0x00,0x03,0x1F}}, //0x355 {LCM_SEND(1),{0x11}}, {LCM_SLEEP(120)}, {LCM_SEND(1),{0x29}}, {LCM_SLEEP(100)}, #endif }; static LCM_Force_Cmd_Code rd_prep_code[]={ {0x39, {LCM_SEND(8), {0x6, 0, 0xF0, 0x55, 0xAA, 0x52, 0x08, 0x01}}}, {0x37, {LCM_SEND(2), {0x3, 0}}}, }; static LCM_Init_Code sleep_in[] = { {LCM_SEND(1), {0x28}}, {LCM_SLEEP(120)}, {LCM_SEND(1), {0x10}}, {LCM_SLEEP(100)}, {LCM_SEND(2), {0x4F,0x01}}, //{LCM_SEND(2), {0x4f, 0x01}}, }; static LCM_Init_Code sleep_out[] = { {LCM_SEND(1), {0x11}}, {LCM_SLEEP(120)}, {LCM_SEND(1), {0x29}}, {LCM_SLEEP(100)}, }; static int32_t rm68180_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 "rm68180_init\n"); 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){ msleep((init->tag & LCM_TAG_MASK)); } init++; } mipi_eotp_set(1,1); return 0; } static uint32_t rm68180_readid(struct panel_spec *self) { //{LCM_SEND(8), {6,0,0xF0,0x55,0xAA,0x52,0x08,0x01}}, /*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_rm68180_mipi read id!\n"); mipi_set_cmd_mode(); mipi_eotp_set(1,0); //mipi_force_read(0x0, 3,(uint8_t *)read_data); for(j = 0; j < 4; j++){ 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(0x04, 3,(uint8_t *)read_data); printk("lcd_rm68180_mipi read id value is 0x%x, 0x%x, 0x%x!\n", read_data[0], read_data[1], read_data[2]); //0x00 0x80 0x00 //return 0x80; if((0x80 == read_data[1])){ self->info.mipi->ops->mipi_set_hs_mode(); printk("lcd_rm68180_mipi read id success!\n"); mipi_eotp_set(1,1); return 0x80; } else printk("lcd_rm68180_mipi read id failed!\n"); } mipi_eotp_set(1,1); return 0x00; } static uint32_t rm68180_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; 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_rm68180_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){ msleep((rd_prepare->real_cmd_code.tag & LCM_TAG_MASK)); } rd_prepare++; } read_rtn = mipi_force_read(0x0A, 1,(uint8_t *)read_data); //printk("lcd_rm68180_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_rm68180_mipi read power mode success!\n"); mipi_eotp_set(1,1); return 0x9c; } } printk("lcd_rm68180_mipi read power mode fail!0x0A value is 0x%x! , read result(%d)\n", read_data[0], read_rtn); mipi_eotp_set(1,1); return 0x0; } static int32_t rm68180_check_esd(struct panel_spec *self) { uint32_t power_mode; 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; pr_debug("rm68180_check_esd!\n"); if(SPRDFB_MIPI_MODE_CMD==work_mode){ mipi_set_lp_mode(); }else{ mipi_set_data_lp_mode(); } power_mode = rm68180_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("rm68180_check_esd OK!\n"); return 1; }else{ printk("rm68180_check_esd fail!(0x%x)\n", power_mode); return 0; } } static int32_t rm68180_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; printk(KERN_DEBUG "rm68180_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); } for(i = 0; i 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){ msleep((sleep_in_out->tag & LCM_TAG_MASK)); } sleep_in_out++; } // printk(KERN_DEBUG "yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy = %d\n", is_sleep); //if (!is_sleep) // { // printk(KERN_DEBUG "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx = %d\n", is_sleep); // mdelay(6000); // } return 0; } static int32_t rm68180_mipi_after_suspend(struct panel_spec *self) { return 0; } static struct panel_operations lcd_rm68180_mipi_operations = { .panel_init = rm68180_mipi_init, .panel_readid = rm68180_readid, .panel_enter_sleep = rm68180_enter_sleep, .panel_after_suspend = rm68180_mipi_after_suspend, .panel_esd_check = rm68180_check_esd, }; static struct timing_rgb lcd_rm68180_mipi_timing = { #if 1 .hfp = 20, /* unit: pixel */ .hbp = 20, .hsync = 6,//4, .vfp = 20, /*unit: line*/ .vbp = 20, .vsync = 6,//6 #else /* .hfp = 120, .hbp = 120, .hsync = 60, .vfp = 6, .vbp = 6, .vsync = 4, */ .hfp =70, .hbp = 40, .hsync = 10, .vfp = 10, .vbp = 10, .vsync = 12, #endif }; static struct info_mipi lcd_rm68180_mipi_info = { .work_mode = SPRDFB_MIPI_MODE_VIDEO, .video_bus_width = 24, /*18,16*/ .lan_number = 2, .phy_feq = 360*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_rm68180_mipi_timing, .ops = NULL, }; struct panel_spec lcd_rm68180_mipi_spec = { .width = 480, .height = 800, //854, .fps = 60, .reset_timing = {20,20,120}, //.suspend_mode = SEND_SLEEP_CMD, .type = LCD_MODE_DSI, .direction = LCD_DIRECT_NORMAL, .is_clean_lcd = true, .info = { .mipi = &lcd_rm68180_mipi_info }, .ops = &lcd_rm68180_mipi_operations, }; struct panel_cfg lcd_rm68180_mipi = { /* this panel can only be main lcd */ .dev_id = SPRDFB_MAINLCD_ID, .lcd_id = 0x80, .lcd_name = "lcd_rm68180_mipi", .panel = &lcd_rm68180_mipi_spec, }; static int __init lcd_rm68180_mipi_init(void) { return sprdfb_panel_register(&lcd_rm68180_mipi); } subsys_initcall(lcd_rm68180_mipi_init);