diff options
Diffstat (limited to 'drivers/video/sprdfb/lcd/lcd_sd7798d_mipi_sharkls_z3lte.c')
| -rwxr-xr-x | drivers/video/sprdfb/lcd/lcd_sd7798d_mipi_sharkls_z3lte.c | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/drivers/video/sprdfb/lcd/lcd_sd7798d_mipi_sharkls_z3lte.c b/drivers/video/sprdfb/lcd/lcd_sd7798d_mipi_sharkls_z3lte.c new file mode 100755 index 00000000..e377c3c5 --- /dev/null +++ b/drivers/video/sprdfb/lcd/lcd_sd7798d_mipi_sharkls_z3lte.c @@ -0,0 +1,261 @@ +/* drivers/video/sprdfb/lcd_sc7798d_mipi.c + * + * Support for sc7798d 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" +#include <mach/gpio.h> + +#define LCD_DEBUG +#ifdef LCD_DEBUG +#define LCD_PRINT printk +#else +#define LCD_PRINT(...) +#endif + +#define MAX_DATA 150 + + +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(6), {4, 0, 0xB9, 0xF1, 0x08, 0x00} }, + /*{LCM_SLEEP(10)},*/ + {LCM_SEND(10), {8, 0, 0xB1, 0x31, 0x0C, 0x0C, 0xA7, 0x33, 0x01, 0xB7} }, + {LCM_SEND(6), {4, 0, 0xC6, 0x00, 0x00, 0xFD} }, + {LCM_SEND(7), {5, 0, 0xE3, 0x03, 0x03, 0x03, 0x03} }, + {LCM_SEND(5), {3, 0, 0xB8, 0x06, 0x22} }, + {LCM_SLEEP(10)}, + {LCM_SEND(21), {19, 0, 0xBA, 0x31, 0x00, 0x44, 0x25, 0x91, 0x0A, 0x00, 0x00, 0xC2, 0x34, 0x00, 0x00, 0x04, 0x02, 0x1D, + 0xB9, 0xEE, 0x40} }, + {LCM_SEND(11), {9, 0, 0xB3, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x0A, 0x25, 0x20} }, + {LCM_SEND(2), {0xB4, 0x00} }, + {LCM_SEND(2), {0xCC, 0x0E} }, + {LCM_SEND(2), {0xBC, 0x67} }, + {LCM_SEND(2), {0xB2, 0x03} }, + {LCM_SEND(8), {6, 0, 0xC0, 0x73, 0x50, 0x00, 0x08, 0x70} }, + {LCM_SEND(54), {52, 0, 0xE9, 0x00, 0x00, 0x06, 0x00, 0x00, 0x6E, 0x29, 0x12, 0x30, 0x00, 0x48, 0x08, 0x6E, 0x29, 0x47, + 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x89, 0x98, 0x33, 0x11, 0x77, 0x55, + 0x13, 0x00, 0x00, 0x89, 0x98, 0x22, 0x00, 0x66, 0x44, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,} }, + {LCM_SEND(39), {37, 0, 0xEA, 0x00, 0x00, 0x98, 0x98, 0x44, 0x66, 0x00, 0x22, 0x20, 0x00, 0x00, 0x98, 0x98, 0x55, 0x77, + 0x11, 0x33, 0x31, 0x30, 0x00, 0x00, 0xFF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,} }, + {LCM_SEND(37), {35, 0, 0xE0, 0x01, 0x09, 0x0D, 0x2E, 0x36, 0x3F, 0x10, 0x31, 0x07, 0x0D, 0x11, 0x15, 0x13, 0x16, 0x15, + 0x32, 0x38, 0x01, 0x05, 0x05, 0x30, 0x35, 0x3F, 0x0E, 0x30, 0x04, 0x09, 0x0A, 0x0D, 0x12, + 0x0D, 0x0F, 0x2C, 0x35} }, + {LCM_SEND(1), {0x11} }, + {LCM_SLEEP(120)}, + {LCM_SEND(1), {0x29} }, + {LCM_SLEEP(20)}, + +}; + + +static LCM_Init_Code disp_on = {LCM_SEND(1), {0x29}}; + +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 sc7798d_mipi_init(struct panel_spec *self) +{ + int32_t i = 0; + 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 sc7798d_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 sc7798d_readid(struct panel_spec *self) +{ + int32_t j =0; + uint8_t read_data[3] = {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_sc7798d_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(0x37, param, 2); + read_rtn = mipi_force_read(0xda,1,&read_data[0]); + read_rtn = mipi_force_read(0xdb,1,&read_data[1]); + read_rtn = mipi_force_read(0xdc,1,&read_data[2]); + + if((0x55 == read_data[0])&&(0xB8 == read_data[1])&&(0xF0 == read_data[2])) + { + printk("lcd_sc7798d_mipi read id success!\n"); + return 0x55b8f0; + } + } + mipi_eotp_set(0,0); + LCD_PRINT("lcd_sc7798d_mipi read id fail! 0xda,0xdb,0xdc is 0x%x,0x%x,0x%x!\n",read_data[0],read_data[1],read_data[2]); + return 0; +} + + +static int32_t sc7798d_enter_sleep(struct panel_spec *self, uint8_t is_sleep) +{ + int32_t i = 0; + 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 sc7798d_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_sc7798d_mipi_operations = { + .panel_init = sc7798d_mipi_init, + .panel_readid = sc7798d_readid, + .panel_enter_sleep = sc7798d_enter_sleep, +}; + +static struct timing_rgb lcd_sc7798d_mipi_timing = { + .hfp = 145, /* unit: pixel */ + .hbp = 90, + .hsync = 70, + .vfp = 10, /*unit: line*/ + .vbp = 12, + .vsync = 4, +}; + + +static struct info_mipi lcd_sc7798d_mipi_info = { + .work_mode = SPRDFB_MIPI_MODE_VIDEO, + .video_bus_width = 24, /*18,16*/ + .lan_number = 2, + .phy_feq =481*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_sc7798d_mipi_timing, + .ops = NULL, +}; +struct panel_spec lcd_sc7798d_mipi_spec = { + .width = 480, + .height = 800, + .fps = 60, + .type = LCD_MODE_DSI, + .direction = LCD_DIRECT_NORMAL, + .info = { + .mipi = &lcd_sc7798d_mipi_info + }, + .ops = &lcd_sc7798d_mipi_operations, +}; +struct panel_cfg lcd_sc7798d_mipi = { + /* this panel can only be main lcd */ + .dev_id = SPRDFB_MAINLCD_ID, + .lcd_id = 0x55b8f0, + .lcd_name = "lcd_sc7798d_mipi", + .panel = &lcd_sc7798d_mipi_spec, +}; + +//temp code +static int __init lcd_sc7798d_mipi_init(void) +{ + return sprdfb_panel_register(&lcd_sc7798d_mipi); +} + +subsys_initcall(lcd_sc7798d_mipi_init); + |