a133的mipi屏幕点不亮
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uboot的驱动代码：
/* * drivers/video/sunxi/disp2/disp/lcd/K080_IM2HYL802R_800X1280.c * * Copyright (c) 2007-2018 Allwinnertech Co., Ltd. * * 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 "K080_IM2HYL802R_800X1280.h" //#include <mach/sys_config.h> #include "panels.h" /* &lcd0 { lcd_used = <1>; status = "okay"; lcd_driver_name = "K080_IM2HYL802R_800X1280"; lcd_backlight = <50>; lcd_if = <4>; lcd_x = <800>; lcd_y = <1280>; lcd_width = <135>; lcd_height = <216>; lcd_dclk_freq = <75>; lcd_pwm_used = <1>; lcd_pwm_ch = <0>; lcd_pwm_freq = <50000>; lcd_pwm_pol = <1>; lcd_pwm_max_limit = <255>; lcd_hbp = <88>; lcd_ht = <960>; lcd_hspw = <4>; lcd_vbp = <12>; lcd_vt = <1300>; lcd_vspw = <4>; lcd_frm = <0>; lcd_gamma_en = <0>; lcd_bright_curve_en = <0>; lcd_cmap_en = <0>; deu_mode = <0>; lcdgamma4iep = <22>; smart_color = <90>; lcd_dsi_if = <0>; lcd_dsi_lane = <4>; lcd_dsi_format = <0>; lcd_dsi_te = <0>; lcd_dsi_eotp = <0>; lcd_pin_power = "dcdc1"; lcd_pin_power1 = "eldo3"; lcd_power = "eldo3"; lcd_power1 = "dcdc1"; lcd_power2 = "dc1sw"; lcd_gpio_1 = <&pio PD 22 1 0 3 1>; pinctrl-0 = <&dsi4lane_pins_a>; pinctrl-1 = <&dsi4lane_pins_b>; lcd_bl_en = <&pio PB 8 1 0 3 1>; lcd_bl_0_percent = <15>; lcd_bl_100_percent = <100>; }; */ extern s32 bsp_disp_get_panel_info(u32 screen_id, disp_panel_para *info); static void LCD_power_on(u32 sel); static void LCD_power_off(u32 sel); static void LCD_bl_open(u32 sel); static void LCD_bl_close(u32 sel); //static void LCD_panel_try_switch(u32 sel); static void LCD_panel_init(u32 sel); static void LCD_panel_exit(u32 sel); //static u8 const mipi_dcs_pixel_format[4] = {0x77,0x66,0x66,0x55}; #define panel_reset(val) sunxi_lcd_gpio_set_value(sel, 1, val) #define power_en(val) sunxi_lcd_gpio_set_value(sel, 0, val) static void LCD_cfg_panel_info(panel_extend_para *info) { u32 i = 0, j = 0; u32 items; u8 lcd_gamma_tbl[][2] = { //{input value, corrected value} {0, 0}, {15, 15}, {30, 30}, {45, 45}, {60, 60}, {75, 75}, {90, 90}, {105, 105}, {120, 120}, {135, 135}, {150, 150}, {165, 165}, {180, 180}, {195, 195}, {210, 210}, {225, 225}, {240, 240}, {255, 255}, }; u32 lcd_cmap_tbl[2][3][4] = { { {LCD_CMAP_G0, LCD_CMAP_B1, LCD_CMAP_G2, LCD_CMAP_B3}, {LCD_CMAP_B0, LCD_CMAP_R1, LCD_CMAP_B2, LCD_CMAP_R3}, {LCD_CMAP_R0, LCD_CMAP_G1, LCD_CMAP_R2, LCD_CMAP_G3}, }, { {LCD_CMAP_B3, LCD_CMAP_G2, LCD_CMAP_B1, LCD_CMAP_G0}, {LCD_CMAP_R3, LCD_CMAP_B2, LCD_CMAP_R1, LCD_CMAP_B0}, {LCD_CMAP_G3, LCD_CMAP_R2, LCD_CMAP_G1, LCD_CMAP_R0}, }, }; items = sizeof(lcd_gamma_tbl) / 2; for (i = 0; i < items - 1; i++) { u32 num = lcd_gamma_tbl[i + 1][0] - lcd_gamma_tbl[i][0]; for (j = 0; j < num; j++) { u32 value = 0; value = lcd_gamma_tbl[i][1] + ((lcd_gamma_tbl[i + 1][1] - lcd_gamma_tbl[i][1]) * j) / num; info->lcd_gamma_tbl[lcd_gamma_tbl[i][0] + j] = (value << 16) + (value << 8) + value; } } info->lcd_gamma_tbl[255] = (lcd_gamma_tbl[items - 1][1] << 16) + (lcd_gamma_tbl[items - 1][1] << 8) + lcd_gamma_tbl[items - 1][1]; memcpy(info->lcd_cmap_tbl, lcd_cmap_tbl, sizeof(lcd_cmap_tbl)); } static s32 LCD_open_flow(u32 sel) { pr_info("[LCD] %s: screen %u\n", __func__, sel); LCD_OPEN_FUNC(sel, LCD_power_on, 100); //open lcd power, and delay 100ms LCD_OPEN_FUNC(sel, LCD_panel_init, 200); //open lcd power, than delay 200ms LCD_OPEN_FUNC(sel, sunxi_lcd_tcon_enable, 50); //open lcd controller, and delay 50ms LCD_OPEN_FUNC(sel, LCD_bl_open, 0); //open lcd backlight, and delay 0ms return 0; } static s32 LCD_close_flow(u32 sel) { pr_info("[LCD] %s: screen %u\n", __func__, sel); LCD_CLOSE_FUNC(sel, LCD_bl_close, 200); //close lcd backlight, and delay 0ms LCD_CLOSE_FUNC(sel, sunxi_lcd_tcon_disable, 20); //close lcd controller, and delay 0ms LCD_CLOSE_FUNC(sel, LCD_panel_exit, 10); //open lcd power, than delay 200ms LCD_CLOSE_FUNC(sel, LCD_power_off, 500); //close lcd power, and delay 500ms return 0; } static void LCD_power_on(u32 sel) { pr_info("[LCD] %s: start, screen %u\n", __func__, sel); // 1. 复位引脚拉低（复位触发） panel_reset(0); sunxi_lcd_delay_ms(20); // 2. 电源开启（严格按联发科顺序：3.3V → 1.8V → AVDD） sunxi_lcd_power_enable(sel, 0); sunxi_lcd_delay_ms(20); sunxi_lcd_power_enable(sel, 1); sunxi_lcd_delay_ms(10); sunxi_lcd_power_enable(sel, 2); sunxi_lcd_delay_ms(5); // 3. 电源使能GPIO置高 power_en(1); sunxi_lcd_delay_ms(10); // 4. 复位引脚拉高（释放复位） panel_reset(1); sunxi_lcd_delay_ms(50); sunxi_lcd_pin_cfg(sel, 1); pr_info("[LCD] %s: finish, screen %u\n", __func__, sel); } static void LCD_power_off(u32 sel) { pr_info("[LCD] %s: start, screen %u\n", __func__, sel); sunxi_lcd_pin_cfg(sel, 0); power_en(0); sunxi_lcd_delay_ms(20); panel_reset(0); sunxi_lcd_delay_ms(5); // 电源关闭顺序：反向关闭（AVDD → 1.8V → 3.3V），匹配上电顺序 sunxi_lcd_power_disable(sel, 2); sunxi_lcd_delay_ms(5); sunxi_lcd_power_disable(sel, 1); sunxi_lcd_delay_ms(5); sunxi_lcd_power_disable(sel, 0); pr_info("[LCD] %s: finish, screen %u\n", __func__, sel); } static void LCD_bl_open(u32 sel) { pr_info("[LCD] %s: screen %u\n", __func__, sel); sunxi_lcd_pwm_enable(sel); sunxi_lcd_delay_ms(50); sunxi_lcd_backlight_enable(sel);//config lcd_bl_en pin to open lcd backlight } static void LCD_bl_close(u32 sel) { pr_info("[LCD] %s: screen %u\n", __func__, sel); sunxi_lcd_backlight_disable(sel);//config lcd_bl_en pin to close lcd backlight sunxi_lcd_delay_ms(20); sunxi_lcd_pwm_disable(sel); } #define REGFLAG_DELAY 0XFE #define REGFLAG_END_OF_TABLE 0xFD // END OF REGISTERS MARKER struct LCM_setting_table { u8 cmd; u32 count; u8 para_list[64]; }; /*add panel initialization below*/ static struct LCM_setting_table lcm_initialization_setting[] = { {REGFLAG_DELAY, REGFLAG_DELAY, {120}}, /* 120 ms after reset */ /* Page-1 (0x3001) */ {0xFF, 1, {0x30}}, {0xFF, 1, {0x52}}, {0xFF, 1, {0x01}}, {0xE3, 1, {0x04}}, {0x08, 1, {0x0E}}, {0x25, 1, {0x10}}, {0x28, 1, {0x5F}}, {0x2C, 1, {0x22}}, {0x30, 1, {0x58}}, {0x45, 1, {0x91}}, {0x37, 1, {0x9C}}, {0x38, 1, {0xA7}}, {0x39, 1, {0x27}}, {0x44, 1, {0x00}}, {0x49, 1, {0x1C}}, {0x59, 1, {0xFE}}, {0x5C, 1, {0x00}}, {0x91, 1, {0x77}}, {0x92, 1, {0x77}}, {0xA0, 1, {0x55}}, {0xA1, 1, {0x50}}, {0xA3, 1, {0x58}}, {0xA4, 1, {0x9C}}, {0xA7, 1, {0x02}}, {0xA8, 1, {0x01}}, {0xA9, 1, {0x01}}, {0xAA, 1, {0xFC}}, {0xAB, 1, {0x28}}, {0xAC, 1, {0x06}}, {0xAD, 1, {0x06}}, {0xAE, 1, {0x06}}, {0xAF, 1, {0x03}}, {0xB0, 1, {0x08}}, {0xB1, 1, {0x26}}, {0xB2, 1, {0x28}}, {0xB3, 1, {0x28}}, {0xB4, 1, {0x03}}, {0xB5, 1, {0x08}}, {0xB6, 1, {0x26}}, {0xB7, 1, {0x08}}, {0xB8, 1, {0x26}}, {0xC0, 1, {0x00}}, {0xC1, 1, {0x00}}, {0xC3, 1, {0x0F}}, /* Page-2 (0x3002) */ {0xFF, 1, {0x30}}, {0xFF, 1, {0x52}}, {0xFF, 1, {0x02}}, {0xB0, 1, {0x00}}, {0xB1, 1, {0x05}}, {0xB2, 1, {0x02}}, {0xB3, 1, {0x24}}, {0xB4, 1, {0x25}}, {0xB5, 1, {0x30}}, {0xB6, 1, {0x0C}}, {0xB7, 1, {0x27}}, {0xB8, 1, {0x0F}}, {0xB9, 1, {0x05}}, {0xBA, 1, {0x11}}, {0xBB, 1, {0x10}}, {0xBC, 1, {0x11}}, {0xBD, 1, {0x12}}, {0xBE, 1, {0x17}}, {0xBF, 1, {0x0C}}, {0xC0, 1, {0x14}}, {0xC1, 1, {0x0A}}, {0xD0, 1, {0x08}}, {0xD1, 1, {0x0F}}, {0xD2, 1, {0x09}}, {0xD3, 1, {0x35}}, {0xD4, 1, {0x38}}, {0xD5, 1, {0x3D}}, {0xD6, 1, {0x1B}}, {0xD7, 1, {0x3B}}, {0xD8, 1, {0x0F}}, {0xD9, 1, {0x05}}, {0xDA, 1, {0x11}}, {0xDB, 1, {0x10}}, {0xDC, 1, {0x11}}, {0xDD, 1, {0x14}}, {0xDE, 1, {0x19}}, {0xDF, 1, {0x11}}, {0xE0, 1, {0x19}}, {0xE1, 1, {0x09}}, /* Page-3 (0x3003) */ {0xFF, 1, {0x30}}, {0xFF, 1, {0x52}}, {0xFF, 1, {0x03}}, {0x08, 1, {0x8B}}, {0x09, 1, {0x8A}}, {0x0A, 1, {0x89}}, {0x0B, 1, {0x88}}, {0x34, 1, {0x61}}, {0x35, 1, {0xD4}}, {0x36, 1, {0x24}}, {0x37, 1, {0x03}}, {0x40, 1, {0x8B}}, {0x41, 1, {0x8A}}, {0x42, 1, {0x89}}, {0x43, 1, {0x88}}, {0x45, 1, {0x01}}, {0x46, 1, {0x02}}, {0x48, 1, {0x03}}, {0x49, 1, {0x04}}, {0x50, 1, {0x87}}, {0x51, 1, {0x86}}, {0x52, 1, {0x85}}, {0x53, 1, {0x84}}, {0x55, 1, {0x05}}, {0x56, 1, {0x06}}, {0x58, 1, {0x07}}, {0x59, 1, {0x08}}, {0x80, 1, {0x0F}}, {0x81, 1, {0x0E}}, {0x82, 1, {0x07}}, {0x83, 1, {0x06}}, {0x84, 1, {0x05}}, {0x85, 1, {0x04}}, {0x92, 1, {0x0E}}, {0x93, 1, {0x0F}}, {0x94, 1, {0x01}}, {0x95, 1, {0x00}}, {0x96, 1, {0x0F}}, {0x97, 1, {0x0E}}, {0x98, 1, {0x07}}, {0x99, 1, {0x06}}, {0x9A, 1, {0x05}}, {0x9B, 1, {0x04}}, {0xA8, 1, {0x0E}}, {0xA9, 1, {0x0F}}, {0xAA, 1, {0x01}}, {0xAB, 1, {0x00}}, {0xE0, 1, {0x02}}, {0xE1, 1, {0x52}}, /* Page-0 (0x3000) */ {0xFF, 1, {0x30}}, {0xFF, 1, {0x52}}, {0xFF, 1, {0x00}}, {0x35, 1, {0x00}}, {0x36, 1, {0x02}}, {0x53, 1, {0x2C}}, /* Display ON sequence */ //SLP OUT {0x11, 0, {0x00} }, // SLPOUT {REGFLAG_DELAY, REGFLAG_DELAY, {120} }, //DISP ON {0x29, 0, {0x00} }, // DSPON {REGFLAG_DELAY, REGFLAG_DELAY, {100} }, {REGFLAG_END_OF_TABLE, REGFLAG_END_OF_TABLE, {} } }; /*static void LCD_panel_try_switch(u32 sel) { u8 result[16] = {0}; u32 num = 0; sunxi_lcd_delay_ms(100); sunxi_lcd_dsi_dcs_read(sel, 0x04, result, &num); printf("get lcd id 0x%x\n", result[0]); if (result[0] == 0x93) { LCD_power_off(sel); sunxi_lcd_switch_compat_panel(sel, 1); return; } }*/ static void LCD_panel_init(u32 sel) { __u32 i; pr_info("[LCD] %s: screen %u - start init table\n", __func__, sel); sunxi_lcd_dsi_clk_enable(sel); sunxi_lcd_delay_ms(20); pr_info("[LCD] %s: sending SW reset\n", __func__); sunxi_lcd_dsi_dcs_write_0para(sel, DSI_DCS_SOFT_RESET); //sunxi_lcd_delay_ms(10); sunxi_lcd_delay_ms(120); pr_info("[LCD] %s: entering init table loop\n", __func__); for (i = 0; ; i++) { if (lcm_initialization_setting[i].count == REGFLAG_END_OF_TABLE) break; else if (lcm_initialization_setting[i].count == REGFLAG_DELAY) sunxi_lcd_delay_ms(lcm_initialization_setting[i].para_list[0]); #ifdef SUPPORT_DSI else dsi_dcs_wr(sel, lcm_initialization_setting[i].cmd, lcm_initialization_setting[i].para_list, lcm_initialization_setting[i].count); #endif //break; } pr_info("[LCD] %s: screen %u - init table done\n", __func__, sel); return; } static void LCD_panel_exit(u32 sel) { pr_info("[LCD] %s: screen %u\n", __func__, sel); sunxi_lcd_dsi_dcs_write_0para(sel, DSI_DCS_SET_DISPLAY_OFF); sunxi_lcd_delay_ms(20); sunxi_lcd_dsi_dcs_write_0para(sel, DSI_DCS_ENTER_SLEEP_MODE); sunxi_lcd_delay_ms(80); return ; } //sel: 0:lcd0; 1:lcd1 static s32 LCD_user_defined_func(u32 sel, u32 para1, u32 para2, u32 para3) { return 0; } //sel: 0:lcd0; 1:lcd1 /*static s32 LCD_set_bright(u32 sel, u32 bright) { sunxi_lcd_dsi_dcs_write_1para(sel,0x51,bright); return 0; }*/ __lcd_panel_t K080_IM2HYL802R_800X1280_mipi_panel = { /* panel driver name, must mach the name of lcd_drv_name in sys_config.fex */ .name = "K080_IM2HYL802R_800X1280", .func = { .cfg_panel_info = LCD_cfg_panel_info, .cfg_open_flow = LCD_open_flow, .cfg_close_flow = LCD_close_flow, .lcd_user_defined_func = LCD_user_defined_func, //.set_bright = LCD_set_bright, }, };设备树：
disp: disp@06000000 { disp_init_enable = <1>; disp_mode = <0>; screen0_output_type = <1>; screen0_output_mode = <4>; screen1_output_type = <1>; screen1_output_mode = <4>; screen1_output_format = <0>; screen1_output_bits = <0>; screen1_output_eotf = <4>; screen1_output_cs = <257>; screen1_output_dvi_hdmi = <2>; screen1_output_range = <2>; screen1_output_scan = <0>; screen1_output_aspect_ratio = <8>; dev0_output_type = <1>; dev0_output_mode = <4>; dev0_screen_id = <0>; dev0_do_hpd = <0>; dev1_output_type = <4>; dev1_output_mode = <10>; dev1_screen_id = <1>; dev1_do_hpd = <1>; def_output_dev = <0>; hdmi_mode_check = <1>; fb0_format = <0>; fb0_width = <720>; fb0_height = <1280>; fb1_format = <0>; fb1_width = <0>; fb1_height = <0>; chn_cfg_mode = <1>; disp_para_zone = <1>; /*VCC-LCD*/ cldo4-supply = <®_cldo4>; /*VCC-LVDS-1.8V*/ cldo1-supply = <®_cldo1>; /*VCC-DSI*/ /*VCC-PD-3.3V*/ cldo3-supply = <®_cldo3>; }; /*---------------------------------------------------------------------------------- ;lcd0 configuration ;lcd_if: 0:hv(sync+de); 1:8080; 2:ttl; 3:lvds; 4:dsi; 5:edp; 6:extend dsi ;lcd_hv_if 0:Parallel RGB; 8:Serial RGB; 10:Dummy RGB; 11: RGB Dummy;12:CCIR656 ;lcd_hv_clk_phase 0:0 degree;1:90 degree;2:180 degree;3:270 degree ;lcd_hv_sync_polarity 0:vs low,hs low; 1:vs high,hslow; 2:vs low,hs high; 3:vs high,hs high ;lcd_hv_syuv_seq 0:YUYV; 1:YVYU; 2:UYVY; 3:VYUY ;lcd_cpu_if 0:18bit/1 cycle parallel(RGB666); 4:16bit/1cycle parallel (RGB565) ; 6:18bit/3 cycle parallel(RGB666); 7:16bit/2cycle parallel (RGB565) ;lcd_cpu_te 0:frame auto trigger; 1:frame triggered by te rising edge; 2:frame triggered by te falling edge; ;lcd_dsi_if 0:video mode; 1: Command mode; 2:video burst mode ;lcd_dsi_te 0:frame auto trigger; 1:frame triggered by te rising edge; 2:frame triggered by te falling edge; ;lcd_x: lcd horizontal resolution ;lcd_y: lcd vertical resolution ;lcd_width: width of lcd in mm ;lcd_height: height of lcd in mm ;lcd_dclk_freq: in MHZ unit ;lcd_pwm_freq: in HZ unit ;lcd_pwm_pol: lcd backlight PWM polarity ;lcd_pwm_max_limit lcd backlight PWM max limit(<=255) ;lcd_hbp: hsync back porch(pixel) + hsync plus width(pixel); ;lcd_ht: hsync total cycle(pixel) ;lcd_vbp: vsync back porch(line) + vysnc plus width(line) ;lcd_vt: vysnc total cycle(line) ;lcd_hspw: hsync plus width(pixel) ;lcd_vspw: vysnc plus width(pixel) ;lcd_lvds_if: 0:single link; 1:dual link ;lcd_lvds_colordepth: 0:8bit; 1:6bit ;lcd_lvds_mode: 0:NS mode; 1:JEIDA mode ;lcd_frm: 0:disable; 1:enable rgb666 dither; 2:enable rgb656 dither ;lcd_io_phase: 0:noraml; 1:intert phase(0~3bit: vsync phase; 4~7bit:hsync phase; ; 8~11bit:dclk phase; 12~15bit:de phase) ;lcd_gamma_en lcd gamma correction enable ;lcd_bright_curve_en lcd bright curve correction enable ;lcd_cmap_en lcd color map function enable ;deu_mode 0:smoll lcd screen; 1:large lcd screen(larger than 10inch) ;lcdgamma4iep: Smart Backlight parameter, lcd gamma vale * 10; ; decrease it while lcd is not bright enough; increase while lcd is too bright ;smart_color 90:normal lcd screen 65:retina lcd screen(9.7inch) ;Pin setting for special function ie.LVDS, RGB data or vsync ; name(donot care) = port:PD12<pin function><pull up or pull down><drive ability><output level> ;Pin setting for gpio: ; lcd_gpio_X = port:PD12<pin function><pull up or pull down><drive ability><output level> ;Pin setting for backlight enable pin ; lcd_bl_en = port:PD12<pin function><pull up or pull down><drive ability><output level> ;fsync setting, pulse to csi ;lcd_fsync_en (0:disable fsync,1:enable) ;lcd_fsync_act_time (active time of fsync, unit:pixel) ;lcd_fsync_dis_time (disactive time of fsync, unit:pixel) ;lcd_fsync_pol (0:positive;1:negative) ;gpio config: <&pio for cpu or &r_pio for cpus, port, port num, pio function, pull up or pull down(default 0), driver level(default 1), data> ;For dual link lvds: use lvds2link_pins_a and lvds2link_pins_b instead ;For rgb24: use rgb24_pins_a and rgb24_pins_b instead ;For lvds1: use lvds1_pins_a and lvds1_pins_b instead ;For lvds0: use lvds0_pins_a and lvds0_pins_b instead ;----------------------------------------------------------------------------------*/ lcd0: lcd0@01c0c000 { lcd_used = <1>; lcd_driver_name = "K080_IM2HYL802R_800X1280"; lcd_backlight = <50>; lcd_if = <4>; lcd_x = <720>; lcd_y = <1280>; lcd_width = <150>; lcd_height = <36>; lcd_dclk_freq = <58>; lcd_pwm_used = <1>; lcd_pwm_ch = <0>; lcd_pwm_freq = <50000>; lcd_pwm_pol = <1>; lcd_pwm_max_limit = <255>; lcd_hbp = <30>; lcd_ht = <770>; lcd_hspw = <6>; lcd_vbp = <16>; lcd_vt = <1311>; lcd_vspw = <4>; lcd_frm = <0>; lcd_gamma_en = <0>; lcd_bright_curve_en = <0>; lcd_cmap_en = <0>; deu_mode = <0>; lcdgamma4iep = <22>; smart_color = <90>; lcd_dsi_if = <0>; lcd_dsi_lane = <4>; lcd_dsi_format = <0>; lcd_dsi_te = <0>; lcd_dsi_eotp = <0>; lcd_pin_power = "cldo3"; /* VCC-PD (3.3 V) */ lcd_power1 = "cldo1"; /* VCC-LVDS (1.8 V) */ lcd_power2 = "cldo4"; /* VCC-LCD (3.3 V) */ lcd_gpio_1 = <&pio PD 22 1 0 3 1>; /* RESET */ pinctrl-0 = <&dsi4lane_pins_a>; pinctrl-1 = <&dsi4lane_pins_b>; lcd_bl_en = <&pio PD 23 1 1 0 3 1>; /* backlight */ lcd_bl_0_percent = <15>; lcd_bl_100_percent = <100>; };参考mtk的驱动参数：
/* * Copyright (C) 2016 MediaTek Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * 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 http://www.gnu.org/licenses/gpl-2.0.html for more details. */ #ifdef BUILD_LK #include <string.h> #include <platform/mt_gpio.h> #include <platform/mt_pmic.h> #include <platform/sync_write.h> #include <platform/ddp_hal.h> #else #include <linux/string.h> #include <linux/wait.h> #include <linux/platform_device.h> #include <linux/gpio.h> #include <linux/pinctrl/consumer.h> #include <linux/of_gpio.h> #include <asm-generic/gpio.h> #include <linux/kernel.h> #include <linux/mm.h> #include <linux/mm_types.h> #include <linux/module.h> #include <linux/types.h> #include <linux/slab.h> #include <linux/vmalloc.h> #ifdef CONFIG_OF #include <linux/of.h> #include <linux/of_irq.h> #include <linux/of_address.h> #include <linux/of_device.h> #include <linux/regulator/consumer.h> #endif #endif #include "lcm_drv.h" #ifndef BUILD_LK extern int inettek_gpio_set(const char *name); extern int lcm_vgp_supply_enable(void); extern int lcm_vgp_supply_disable(void); extern int lcm_get_vgp_supply(struct device *dev); #endif #ifdef BUILD_LK #define LCD_2V8_EN (38 | 0x80000000) #define LCD_RST_PIN (66 | 0x80000000) #define LCD_3V3_RST_PIN (70 | 0x80000000) #define LCD_AVDD_EN (20 | 0x80000000) // VSN +VSP #define LCD_GAMA_EN (0 | 0x80000000) // AVDD + VGL + VGH #endif /* --------------------------------------------------------------- */ /* Local Constants */ /* --------------------------------------------------------------- */ #define FRAME_WIDTH (720) #define FRAME_HEIGHT (1280) #define GPIO_OUT_ONE 1 #define GPIO_OUT_ZERO 0 #define REGFLAG_DELAY 0xFE #define REGFLAG_END_OF_TABLE 0x00 #define LCM_ID_NV3052 (0x3052) /* --------------------------------------------------------------- */ /* Local Variables */ /* --------------------------------------------------------------- */ #ifndef BUILD_LK static unsigned int GPIO_LCD_PWR; static unsigned int GPIO_LCD_RST; static unsigned int GPIO_3V3_LCD_RST; static void lcm_request_gpio_control(struct device *dev) { GPIO_LCD_PWR = of_get_named_gpio(dev->of_node, "gpio_lcd_pwr", 0); gpio_request(GPIO_LCD_PWR, "GPIO_LCD_PWR"); GPIO_LCD_RST = of_get_named_gpio(dev->of_node, "gpio_lcd_rst", 0); gpio_request(GPIO_LCD_PWR, "GPIO_LCD_RST"); GPIO_3V3_LCD_RST = of_get_named_gpio(dev->of_node, "gpio_3v3_lcd_rst", 0); gpio_request(GPIO_LCD_PWR, "GPIO_3V3_LCD_RST"); } static int lcm_driver_probe(struct device *dev, void const *data) { lcm_request_gpio_control(dev); lcm_get_vgp_supply(dev); lcm_vgp_supply_enable(); return 0; } static const struct of_device_id lcm_platform_of_match[] = { { .compatible = "mickey,nv3052_bv055hdl_nb6", .data = 0, }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, platform_of_match); static int lcm_platform_probe(struct platform_device *pdev) { const struct of_device_id *id; id = of_match_node(lcm_platform_of_match, pdev->dev.of_node); if (!id) return -ENODEV; return lcm_driver_probe(&pdev->dev, id->data); } static struct platform_driver lcm_driver = { .probe = lcm_platform_probe, .driver = { .name = "nv3052_bv055hdl_nb6", .owner = THIS_MODULE, .of_match_table = lcm_platform_of_match, }, }; static int __init lcm_drv_init(void) { if (platform_driver_register(&lcm_driver)) { pr_err("LCM: failed to register this driver!\n"); return -ENODEV; } return 0; } static void __exit lcm_drv_exit(void) { platform_driver_unregister(&lcm_driver); } late_initcall(lcm_drv_init); module_exit(lcm_drv_exit); MODULE_AUTHOR("mediatek"); MODULE_DESCRIPTION("LCM display subsystem driver"); MODULE_LICENSE("GPL"); #endif extern void mdelay(unsigned long msec); #ifdef BUILD_LK static LCM_UTIL_FUNCS lcm_util = { .set_reset_pin = NULL, .udelay = NULL, .mdelay = NULL, }; #else static LCM_UTIL_FUNCS lcm_util = { 0 }; #endif #define SET_RESET_PIN(v) (lcm_util.set_reset_pin((v))) #define UDELAY(n) (lcm_util.udelay(n)) #define MDELAY(n) (lcm_util.mdelay(n)) /* --------------------------------------------------------------- */ /* Local Functions */ /* --------------------------------------------------------------- */ #define dsi_set_cmdq_V2(cmd, count, ppara, force_update) \ (lcm_util.dsi_set_cmdq_V2(cmd, count, ppara, force_update)) #define dsi_set_cmdq(pdata, queue_size, force_update) \ (lcm_util.dsi_set_cmdq(pdata, queue_size, force_update)) #define wrtie_cmd(cmd) \ (lcm_util.dsi_write_cmd(cmd)) #define write_regs(addr, pdata, byte_nums) \ (lcm_util.dsi_write_regs(addr, pdata, byte_nums)) #define read_reg \ (lcm_util.dsi_read_reg()) #define read_reg_v2(cmd, buffer, buffer_size) \ (lcm_util.dsi_dcs_read_lcm_reg_v2(cmd, buffer, buffer_size)) #ifdef BUILD_LK static void pmic_vgp2_enable(bool en, int vol_mv) { unsigned int val; if (!en) mt6392_upmu_set_rg_vgp2_en(0x0); else { switch (vol_mv) { case 1200: val = 0x00; break; case 1300: val = 0x01; break; case 1500: val = 0x02; break; case 1800: val = 0x03; break; case 2000: val = 0x04; break; case 2800: val = 0x05; break; case 3000: val = 0x06; break; case 3300: val = 0x07; break; default: val = 0x05; break; } //VGP2 0x00=1.2V, 0x01=1.3V, 0x02=1.5V, 0x03=1.8V, 0x04=2.0V, 0x05=2.8V, 0x06=3.0V, 0x07=3.3V mt6392_upmu_set_rg_vgp2_vosel(val); mt6392_upmu_set_rg_vgp2_en(0x1); } } #endif /* --------------------------------------------------------------------------- */ /* Local Functions */ /* --------------------------------------------------------------------------- */ #ifdef BUILD_LK static void lcm_set_gpio_output(unsigned int GPIO, unsigned int output) { mt_set_gpio_mode(GPIO, GPIO_MODE_00); mt_set_gpio_dir(GPIO, GPIO_DIR_OUT); mt_set_gpio_out(GPIO, output); } #endif struct LCM_setting_table { unsigned char cmd; unsigned char count; unsigned char para_list[4]; }; //update initial param for IC boe_nt71391_dsi_vdo 0.01 static struct LCM_setting_table lcm_initialization_setting[] = { //----------NV305F+BOE5.5(BV055HDL-NB6) Initial------------------ {REGFLAG_DELAY, 120, {}}, {0xFF,0x01,{0x30}}, {0xFF,0x01,{0x52}}, {0xFF,0x01,{0x01}}, {0xE3,0x01,{0x04}}, {0x08,0x01,{0x0e}}, {0x25,0x01,{0x10}}, {0x28,0x01,{0x5F}}, {0x2C,0x01,{0x22}}, {0x30,0x01,{0x58}}, {0x45,0x01,{0x91}}, {0x37,0x01,{0x9C}}, {0x38,0x01,{0xA7}}, {0x39,0x01,{0x27}}, {0x44,0x01,{0x00}}, {0x49,0x01,{0x1C}}, {0x59,0x01,{0xFE}}, {0x5C,0x01,{0x00}}, {0x91,0x01,{0x77}}, {0x92,0x01,{0x77}}, {0xA0,0x01,{0x55}}, {0xA1,0x01,{0x50}}, {0xA3,0x01,{0x58}}, {0xA4,0x01,{0x9C}}, {0xA7,0x01,{0x02}}, {0xA8,0x01,{0x01}}, {0xA9,0x01,{0x01}}, {0xAA,0x01,{0xFC}}, {0xAB,0x01,{0x28}}, {0xAC,0x01,{0x06}}, {0xAD,0x01,{0x06}}, {0xAE,0x01,{0x06}}, {0xAF,0x01,{0x03}}, {0xB0,0x01,{0x08}}, {0xB1,0x01,{0x26}}, {0xB2,0x01,{0x28}}, {0xB3,0x01,{0x28}}, {0xB4,0x01,{0x03}}, {0xB5,0x01,{0x08}}, {0xB6,0x01,{0x26}}, {0xB7,0x01,{0x08}}, {0xB8,0x01,{0x26}}, {0xc0,0x01,{0x00}}, {0xc1,0x01,{0x00}}, {0xc3,0x01,{0x0F}}, {0xFF,0x01,{0x30}}, {0xFF,0x01,{0x52}}, {0xFF,0x01,{0x02}}, {0xB0,0x01,{0x00}}, {0xB1,0x01,{0x05}}, {0xB2,0x01,{0x02}}, {0xB3,0x01,{0x24}}, {0xB4,0x01,{0x25}}, {0xB5,0x01,{0x30}}, {0xB6,0x01,{0x0C}}, {0xB7,0x01,{0x27}}, {0xB8,0x01,{0x0F}}, {0xB9,0x01,{0x05}}, {0xBA,0x01,{0x11}}, {0xBB,0x01,{0x10}}, {0xBC,0x01,{0x11}}, {0xBD,0x01,{0x12}}, {0xBE,0x01,{0x17}}, {0xBF,0x01,{0x0C}}, {0xC0,0x01,{0x14}}, {0xC1,0x01,{0x0A}}, {0xD0,0x01,{0x08}}, {0xD1,0x01,{0x0F}}, {0xD2,0x01,{0x09}}, {0xD3,0x01,{0x35}}, {0xD4,0x01,{0x38}}, {0xD5,0x01,{0x3D}}, {0xD6,0x01,{0x1B}}, {0xD7,0x01,{0x3B}}, {0xD8,0x01,{0x0F}}, {0xD9,0x01,{0x05}}, {0xDA,0x01,{0x11}}, {0xDB,0x01,{0x10}}, {0xDC,0x01,{0x11}}, {0xDD,0x01,{0x14}}, {0xDE,0x01,{0x19}}, {0xDF,0x01,{0x11}}, {0xE0,0x01,{0x19}}, {0xE1,0x01,{0x09}}, {0xFF,0x01,{0x30}}, {0xFF,0x01,{0x52}}, {0xFF,0x01,{0x03}}, {0x08,0x01,{0x8B}}, {0x09,0x01,{0x8A}}, {0x0A,0x01,{0x89}}, {0x0B,0x01,{0x88}}, {0x34,0x01,{0x61}}, {0x35,0x01,{0xD4}}, {0x36,0x01,{0x24}}, {0x37,0x01,{0x03}}, {0x40,0x01,{0x8B}}, {0x41,0x01,{0x8A}}, {0x42,0x01,{0x89}}, {0x43,0x01,{0x88}}, {0x45,0x01,{0x01}}, {0x46,0x01,{0x02}}, {0x48,0x01,{0x03}}, {0x49,0x01,{0x04}}, {0x50,0x01,{0x87}}, {0x51,0x01,{0x86}}, {0x52,0x01,{0x85}}, {0x53,0x01,{0x84}}, {0x55,0x01,{0x05}}, {0x56,0x01,{0x06}}, {0x58,0x01,{0x07}}, {0x59,0x01,{0x08}}, {0x80,0x01,{0x0F}}, {0x81,0x01,{0x0E}}, {0x82,0x01,{0x07}}, {0x83,0x01,{0x06}}, {0x84,0x01,{0x05}}, {0x85,0x01,{0x04}}, {0x92,0x01,{0x0E}}, {0x93,0x01,{0x0F}}, {0x94,0x01,{0x01}}, {0x95,0x01,{0x00}}, {0x96,0x01,{0x0F}}, {0x97,0x01,{0x0E}}, {0x98,0x01,{0x07}}, {0x99,0x01,{0x06}}, {0x9A,0x01,{0x05}}, {0x9B,0x01,{0x04}}, {0xA8,0x01,{0x0E}}, {0xA9,0x01,{0x0F}}, {0xAA,0x01,{0x01}}, {0xAB,0x01,{0x00}}, {0xE0,0x01,{0x02}}, {0xE1,0x01,{0x52}}, {0xFF,0x01,{0x30}}, {0xFF,0x01,{0x52}}, {0xFF,0x01,{0x00}}, {0x35,0x01,{0x00}}, {0x36,0x01,{0x02}}, {0x53,0x01,{0x2C}}, {0x11,0x01,{0x00}}, {REGFLAG_DELAY, 200, {}}, {0x29,0x01,{0x00}}, //Display ON {REGFLAG_DELAY, 100, {}}, {REGFLAG_END_OF_TABLE, 0x00, {}}, }; static void push_table(struct LCM_setting_table *table, unsigned int count, unsigned char force_update) { unsigned int i; for(i = 0; i < count; i++) { unsigned cmd; cmd = table[i].cmd; switch (cmd) { case REGFLAG_DELAY : MDELAY(table[i].count); break; case REGFLAG_END_OF_TABLE : break; default: dsi_set_cmdq_V2(cmd, table[i].count, table[i].para_list, force_update); //MDELAY(10);//soso add or it will fail to send register } } } /* --------------------------------------------------------------- */ /* LCM Driver Implementations */ /* --------------------------------------------------------------- */ #ifdef BUILD_LK static void lcm_set_util_funcs(const LCM_UTIL_FUNCS *util) { memcpy(&lcm_util, util, sizeof(LCM_UTIL_FUNCS)); } #else static void lcm_set_util_funcs(const LCM_UTIL_FUNCS *util) { memcpy(&lcm_util, util, sizeof(LCM_UTIL_FUNCS)); } #endif static void lcm_get_params(LCM_PARAMS *params) { memset(params, 0, sizeof(LCM_PARAMS)); params->type = LCM_TYPE_DSI; params->width = FRAME_WIDTH; params->height = FRAME_HEIGHT; params->dsi.mode = SYNC_EVENT_VDO_MODE; params->dsi.LANE_NUM = LCM_FOUR_LANE; params->dsi.data_format.color_order = LCM_COLOR_ORDER_RGB; params->dsi.data_format.trans_seq = LCM_DSI_TRANS_SEQ_MSB_FIRST; params->dsi.data_format.padding = LCM_DSI_PADDING_ON_LSB; params->dsi.data_format.format = LCM_DSI_FORMAT_RGB888; /* Highly depends on LCD driver capability. */ params->dsi.packet_size = 256; /* Video mode setting */ params->dsi.intermediat_buffer_num = 0; params->dsi.PS = LCM_PACKED_PS_24BIT_RGB888; params->dsi.word_count=FRAME_WIDTH*3; params->dsi.vertical_sync_active = 2; params->dsi.vertical_backporch = 14; params->dsi.vertical_frontporch = 16; params->dsi.vertical_active_line = FRAME_HEIGHT; params->dsi.horizontal_sync_active = 2; params->dsi.horizontal_backporch = 44; params->dsi.horizontal_frontporch = 46; params->dsi.horizontal_active_pixel = FRAME_WIDTH; params->dsi.ssc_disable = 1; //0表示开展频，1表示关展频 params->dsi.ssc_range = 6; //6为展频幅度6%，此值可以修改 params->dsi.PLL_CLOCK = 205; params->dsi.esd_check_enable = 1; //enable ESD check params->dsi.customization_esd_check_enable = 1; //0 TE ESD CHECK 1 LCD REG CHECK params->dsi.lcm_esd_check_table[0].cmd = 0x0F;//0X0A params->dsi.lcm_esd_check_table[0].count = 1; params->dsi.lcm_esd_check_table[0].para_list[0] = 0xC0;//0X9C params->dsi.cont_clock = 0; params->dsi.clk_lp_per_line_enable = 1; } static unsigned int lcm_compare_id(void); static void lcm_reset(void) { #ifdef BUILD_LK printf("[LK/LCM]xxxxxxx %s enter\n", __func__); #else printk("[Kernel/LCM] %s enter\n", __func__); #endif #ifdef BUILD_LK lcm_set_gpio_output(LCD_RST_PIN, GPIO_OUT_ONE); lcm_set_gpio_output(LCD_3V3_RST_PIN, GPIO_OUT_ONE); MDELAY(20); lcm_set_gpio_output(LCD_RST_PIN, GPIO_OUT_ZERO); lcm_set_gpio_output(LCD_3V3_RST_PIN, GPIO_OUT_ZERO); MDELAY(10); lcm_set_gpio_output(LCD_RST_PIN, GPIO_OUT_ONE); lcm_set_gpio_output(LCD_3V3_RST_PIN, GPIO_OUT_ONE); MDELAY(50); #else inettek_gpio_set("lcm_rst_en1"); inettek_gpio_set("lcm_3v3_rst_en1"); MDELAY(20); inettek_gpio_set("lcm_rst_en0"); inettek_gpio_set("lcm_3v3_rst_en0"); MDELAY(10); inettek_gpio_set("lcm_rst_en1"); inettek_gpio_set("lcm_3v3_rst_en1"); MDELAY(20); #endif } static void lcm_init(void) { #ifdef BUILD_LK printf("[LK/LCM]xxxxxxx %s enter\n", __func__); #else printk("[Kernel/LCM] %s enter\n", __func__); #endif lcm_reset(); push_table(lcm_initialization_setting, sizeof(lcm_initialization_setting) / sizeof(struct LCM_setting_table), 1); } static void lcm_resume(void) { #ifdef BUILD_LK printf("[LK/LCM]xxxxxxx %s enter\n", __func__); #else printk("[Kernel/LCM] %s enter\n", __func__); #endif lcm_reset(); push_table(lcm_initialization_setting, sizeof(lcm_initialization_setting) / sizeof(struct LCM_setting_table), 1); } static void lcm_init_power(void) { #ifdef BUILD_LK printf("[LK/LCM]xxxxxxx %s enter\n", __func__); #else printk("[Kernel/LCM] %s enter\n", __func__); #endif #ifdef BUILD_LK pmic_vgp2_enable(false, 1800); //VCC_LCD8_1V8 lcm_set_gpio_output(LCD_2V8_EN, GPIO_OUT_ONE); //VCC_LCD_3V3 MDELAY(20); pmic_vgp2_enable(true, 1800); //VCC_LCD8_1V8 MDELAY(10); lcm_set_gpio_output(LCD_AVDD_EN, GPIO_OUT_ONE); lcm_set_gpio_output(LCD_GAMA_EN, GPIO_OUT_ZERO); #else inettek_gpio_set("lcm_vcc_en1"); inettek_gpio_set("lcm_avdd_en1"); inettek_gpio_set("lcm_gama_en0"); lcm_vgp_supply_enable(); #endif } static void lcm_resume_power(void) { #ifdef BUILD_LK printf("[LK/LCM]xxxxxxx %s enter\n", __func__); #else printk("[Kernel/LCM] %s enter\n", __func__); #endif #ifdef BUILD_LK lcm_set_gpio_output(LCD_2V8_EN, GPIO_OUT_ONE); //VCC_LCD_3V3 pmic_vgp2_enable(true, 1800); //VCC_LCD8_1V8 lcm_set_gpio_output(LCD_AVDD_EN, GPIO_OUT_ONE); lcm_set_gpio_output(LCD_GAMA_EN, GPIO_OUT_ZERO); #else inettek_gpio_set("lcm_vcc_en1"); lcm_vgp_supply_enable(); inettek_gpio_set("lcm_avdd_en1"); inettek_gpio_set("lcm_gama_en0"); #endif } static void lcm_suspend(void) { #ifndef BUILD_LK //unsigned int data_array[16]; printk("[Kernel/LCM] %s enter\n", __func__); // data_array[0] = 0x00280500; /* Display Off */ // dsi_set_cmdq(data_array, 1, 1); // MDELAY(10); // data_array[0] = 0x00100500; /* Sleep In */ // dsi_set_cmdq(data_array, 1, 1); // MDELAY(120); #endif } static void lcm_suspend_power(void) { #ifdef BUILD_LK printf("[LK/LCM]xxxxxxx %s enter\n", __func__); #else printk("[Kernel/LCM] %s enter\n", __func__); #endif #ifdef BUILD_LK lcm_set_gpio_output(LCD_2V8_EN, GPIO_OUT_ZERO); //VCC_LCD_3V3 pmic_vgp2_enable(false,1800); MDELAY(10); lcm_set_gpio_output(LCD_AVDD_EN, GPIO_OUT_ZERO); lcm_set_gpio_output(LCD_GAMA_EN, GPIO_OUT_ZERO); lcm_set_gpio_output(LCD_RST_PIN, GPIO_OUT_ZERO); lcm_set_gpio_output(LCD_3V3_RST_PIN, GPIO_OUT_ZERO); #else inettek_gpio_set("lcm_rst_en0"); inettek_gpio_set("lcm_3v3_rst_en0"); MDELAY(10); inettek_gpio_set("lcm_avdd_en0"); inettek_gpio_set("lcm_gama_en0"); lcm_vgp_supply_disable(); inettek_gpio_set("lcm_vcc_en0"); MDELAY(10); #endif } static unsigned int lcm_compare_id(void) { unsigned int id = 0xffff; unsigned int version_id = 0xff; unsigned char buffer[3]; unsigned int hw_ver = 0; unsigned int array[16]; buffer[0] = 0xff; buffer[1] = 0xff; buffer[2] = 0xff; lcm_init_power(); lcm_reset(); // array[0] = 0x00023700;// read id return two byte,version and id array[0] = 0x00033700;// read id return two byte,version and id dsi_set_cmdq(array, 1, 1); read_reg_v2(0x04, buffer, 3); id = buffer[1]|(buffer[0]<<8);; //we only need ID version_id = buffer[2]; #ifdef BUILD_LK extern int g_hw_ver; hw_ver = g_hw_ver; //Read NV3052 ID, ID=0x3052, version_id=0x2, hw_ver=0x1 printf("Read NV3052 ID, ID=0x%x, version_id=0x%x, hw_ver=0x%x\n", id , version_id , hw_ver); printf("[LK/LCM] %s %s is nv3052_bv055hdl_nb6! \n", __func__,hw_ver?"i50_lcm":"i70Plus_lcm"); #else printk("Read NV3052 ID, ID=0x%x, version_id=0x%x, hw_ver=0x%x\n", id , version_id , hw_ver); printk("[Kernel/LCM] %s %s is nv3052_bv055hdl_nb6! \n", __func__,hw_ver?"i50_lcm":"i70Plus_lcm"); #endif if (hw_ver && (LCM_ID_NV3052 == id)) return 1; else return 0; } LCM_DRIVER nv3052_bv055hdl_nb6_dsi_vdo_lcm_drv = { .name = "nv3052_bv055hdl_nb6_dsi_vdo", .set_util_funcs = lcm_set_util_funcs, .get_params = lcm_get_params, .init = lcm_init, .init_power = lcm_init_power, .suspend = lcm_suspend, .resume = lcm_resume, .resume_power = lcm_resume_power, .suspend_power = lcm_suspend_power, .compare_id = lcm_compare_id, };
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