From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- drivers/video/sprdfb/lcd/lcd_hx8379a_mipi.c | 312 ++++++++++++++++++++++++++++ 1 file changed, 312 insertions(+) create mode 100644 drivers/video/sprdfb/lcd/lcd_hx8379a_mipi.c (limited to 'drivers/video/sprdfb/lcd/lcd_hx8379a_mipi.c') diff --git a/drivers/video/sprdfb/lcd/lcd_hx8379a_mipi.c b/drivers/video/sprdfb/lcd/lcd_hx8379a_mipi.c new file mode 100644 index 00000000..4b6c4a08 --- /dev/null +++ b/drivers/video/sprdfb/lcd/lcd_hx8379a_mipi.c @@ -0,0 +1,312 @@ +/* drivers/video/sprdfb/lcd_hx8379a_mipi.c + * + * Support for hx8379a 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" +#include + +#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[] = { +// Set EXTC +{LCM_SEND(6), {4, 0, 0xb9,0xff,0x83,0x79}}, + +// Set MIPI +{LCM_SEND(5), {3, 0, 0xba,0x51,0x93}}, +//Set Power +{LCM_SEND(34), {32, 0, 0xB1,0x00,0x50,0x24,0xF5,0x98,0x08,0x11,0x17,0x77,0x29,0x31,0x9A, + 0x1A,0x12,0x0B,0x76,0xF1,0x00,0xE6,0xE6,0xE6,0xE6,0xE6,0x00,0x04,0x05, + 0x0A,0x0B,0x04,0x05,0x6F}}, +// Set Display +{LCM_SEND(16), {14, 0, 0xB2,0x00,0x00,0xFE,0x0E,0x0A,0x19,0xE2,0x00,0xFF,0x0E,0x0A,0x19,0x20}}, +// Set CYC +{LCM_SEND(34), {32, 0, 0xB4,0x80,0x12,0x00,0x32,0x10,0x03,0x54,0x13,0x67,0x32,0x13,0x6B, + 0x39,0x00,0x42,0x05,0x37,0x00,0x41,0x08,0x3C,0x3C,0x08,0x00,0x40,0x08, + 0x28,0x08,0x30,0x30,0x04}}, +// Set GIP +{LCM_SEND(50), {48, 0, 0xD5,0x00,0x00,0x0A,0x00,0x01,0x00,0x00,0x06,0x01,0x01,0x01, + 0x23,0x45,0x67,0xAA,0xBB,0x88,0x88,0x67,0x45,0x88,0x88,0x88,0x88,0x88, + 0x54,0x10,0x76,0x54,0x32,0xAA,0xBB,0x88,0x88,0x76,0x10,0x88,0x88,0x88, + 0x88,0x88,0x39,0x01,0x00,0x00,0x00,0x00}}, +// Set Gamma +{LCM_SEND(38), {36, 0, 0xE0,0x79,0x00,0x01,0x0F,0x25,0x26,0x3F,0x33,0x47,0x0A,0x11,0x11, + 0x15,0x17,0x14,0x16,0x11,0x17,0x00,0x01,0x0F,0x25,0x26,0x3F,0x33,0x47, + 0x0A,0x11,0x11,0x15,0x17,0x14,0x16,0x11,0x17}}, +// Set Panel +//{LCM_SEND(2), {0xcc,0x02}}, //no rotation +{LCM_SEND(2), {0xcc,0x0E}},//rotation 180 +// Set VCOM +{LCM_SEND(7), {5, 0, 0xB6,0x00,0xAC,0x00,0xAC}}, +//set TE +{LCM_SEND(2), {0x35,0x00}}, + +{LCM_SEND(1), {0x11}},//0x11 +{LCM_SLEEP(200)}, +{LCM_SEND(1), {0x29}},//0x29 +{LCM_SLEEP(100)}, +}; + +static LCM_Force_Cmd_Code rd_prep_code_1[]={ + {0x37, {LCM_SEND(2), {0x1, 0}}}, +}; + +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 hx8379a_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 hx8369b_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 hx8379a_readid(struct panel_spec *self) +{ + uint32_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("lcd_hx8379a_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]); + LCD_PRINT("lcd_hx8379a_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_hx8379a_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_hx8379a_mipi read id 0xdc value is 0x%x!\n",read_data[2]); + + if((0x83 == read_data[0])&&(0x79 == read_data[1])&&(0x0a == read_data[2])){ + LCD_PRINT("lcd_hx8379a_mipi read id success!\n"); + return 0x8379; + } + } + + mipi_eotp_set(0,0); + + return 0; +} + +static uint32_t hx8379a_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_nt35516_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); + pr_debug("lcd_hx8379a mipi read power mode 0x0A value is 0x%x! , read result(%d)\n", read_data[0], read_rtn); + if((0x1c == read_data[0]) && (0 == read_rtn)){ + //printk("lcd_hx8379a_mipi read power mode success!\n"); + mipi_eotp_set(1,1); + return 0x1c; + } + } + + printk("lcd_hx8379a 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 hx8379a_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("hx8379a_check_esd!\n"); +#ifndef FB_CHECK_ESD_IN_VFP + if(SPRDFB_MIPI_MODE_CMD==work_mode){ + mipi_set_lp_mode(); + }else{ + mipi_set_data_lp_mode(); + } +#endif + power_mode = hx8379a_readpowermode(self); + //power_mode = 0x0; +#ifndef FB_CHECK_ESD_IN_VFP + if(SPRDFB_MIPI_MODE_CMD==work_mode){ + mipi_set_hs_mode(); + }else{ + mipi_set_data_hs_mode(); + } +#endif + if(power_mode == 0x1c){ + pr_debug("hx8379a_check_esd OK!\n"); + return 1; + }else{ + printk("hx8379a_check_esd fail!(0x%x)\n", power_mode); + return 0; + } +} + +static struct panel_operations lcd_hx8379a_mipi_operations = { + .panel_init = hx8379a_mipi_init, + .panel_readid = hx8379a_readid, + .panel_esd_check = hx8379a_check_esd, +}; + +static struct timing_rgb lcd_hx8379a_mipi_timing = { + .hfp = 25, /* unit: pixel */ + .hbp = 25, + .hsync = 11, + .vfp = 22, /*unit: line*/ + .vbp = 12, + .vsync = 3, +}; + + +static struct info_mipi lcd_hx8379a_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_hx8379a_mipi_timing, + .ops = NULL, +}; + +struct panel_spec lcd_hx8379a_mipi_spec = { + .width = 480, + .height = 854, + .fps = 62, + .type = LCD_MODE_DSI, + .direction = LCD_DIRECT_NORMAL, + .info = { + .mipi = &lcd_hx8379a_mipi_info + }, + .ops = &lcd_hx8379a_mipi_operations, +}; +struct panel_cfg lcd_hx8379a_mipi = { + /* this panel can only be main lcd */ + .dev_id = SPRDFB_MAINLCD_ID, + .lcd_id = 0x8379, + .lcd_name = "lcd_hx8379a_mipi", + .panel = &lcd_hx8379a_mipi_spec, +}; + +static int __init lcd_hx8379a_mipi_init(void) +{ + return sprdfb_panel_register(&lcd_hx8379a_mipi); +} + +subsys_initcall(lcd_hx8379a_mipi_init); + -- cgit v1.3.1