/* * Allwinner SoCs display driver. * * Copyright (C) 2016 Allwinner. * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any * warranty of any kind, whether express or implied. */ #include "lt070me05000.h" 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_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(struct 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) { /* open lcd power, and delay 50ms */ LCD_OPEN_FUNC(sel, LCD_power_on, 20); /* open lcd power, than delay 200ms */ LCD_OPEN_FUNC(sel, LCD_panel_init, 10); /* open lcd controller, and delay 100ms */ LCD_OPEN_FUNC(sel, sunxi_lcd_tcon_enable, 20); /* open lcd backlight, and delay 0ms */ LCD_OPEN_FUNC(sel, LCD_bl_open, 0); return 0; } static s32 LCD_close_flow(u32 sel) { /* close lcd backlight, and delay 0ms */ LCD_CLOSE_FUNC(sel, LCD_bl_close, 0); /* close lcd controller, and delay 0ms */ LCD_CLOSE_FUNC(sel, sunxi_lcd_tcon_disable, 0); /* open lcd power, than delay 200ms */ LCD_CLOSE_FUNC(sel, LCD_panel_exit, 200); /* close lcd power, and delay 500ms */ LCD_CLOSE_FUNC(sel, LCD_power_off, 500); return 0; } static void LCD_power_on(u32 sel) { /* config lcd_power pin to open lcd power */ sunxi_lcd_power_enable(sel, 0); sunxi_lcd_delay_ms(5); /* config lcd_power pin to open lcd power0 */ sunxi_lcd_power_enable(sel, 1); sunxi_lcd_delay_ms(5); /* config lcd_power pin to open lcd power2 */ sunxi_lcd_power_enable(sel, 2); sunxi_lcd_delay_ms(5); power_en(1); sunxi_lcd_delay_ms(20); panel_reset(1); sunxi_lcd_delay_ms(5); sunxi_lcd_pin_cfg(sel, 1); } static void LCD_power_off(u32 sel) { sunxi_lcd_pin_cfg(sel, 0); power_en(0); sunxi_lcd_delay_ms(20); panel_reset(0); sunxi_lcd_delay_ms(5); /* config lcd_power pin to close lcd power2 */ sunxi_lcd_power_disable(sel, 2); sunxi_lcd_delay_ms(5); /* config lcd_power pin to close lcd power1 */ sunxi_lcd_power_disable(sel, 1); sunxi_lcd_delay_ms(5); /* config lcd_power pin to close lcd power */ sunxi_lcd_power_disable(sel, 0); } static void LCD_bl_open(u32 sel) { sunxi_lcd_pwm_enable(sel); /* config lcd_bl_en pin to open lcd backlight */ sunxi_lcd_backlight_enable(sel); } static void LCD_bl_close(u32 sel) { /* config lcd_bl_en pin to close lcd backlight */ sunxi_lcd_backlight_disable(sel); sunxi_lcd_pwm_disable(sel); } static void LCD_panel_init(u32 sel) { struct disp_panel_para *panel_info = kmalloc(sizeof(struct disp_panel_para), GFP_KERNEL | __GFP_ZERO); u32 bright = 0; u8 para[9]; bsp_disp_get_panel_info(sel, panel_info); bright = bsp_disp_lcd_get_bright(sel); sunxi_lcd_dsi_clk_enable(sel); sunxi_lcd_delay_ms(20); sunxi_lcd_dsi_dcs_write_0para(sel, DSI_DCS_SOFT_RESET); sunxi_lcd_delay_ms(10); sunxi_lcd_dsi_gen_write_1para(sel, 0xb0, 0x00); sunxi_lcd_dsi_gen_write_5para(sel, 0xb3, 0x04, 0x08, 0x00, 0x22, 0x00); sunxi_lcd_dsi_gen_write_1para(sel, 0xb4, 0x0c); sunxi_lcd_dsi_gen_write_2para(sel, 0xb6, 0x3a, 0xd3); sunxi_lcd_dsi_dcs_write_1para(sel, 0x51, bright); sunxi_lcd_dsi_dcs_write_1para(sel, 0x53, 0x2c); sunxi_lcd_dsi_dcs_write_1para(sel, DSI_DCS_SET_PIXEL_FORMAT, 0x77); sunxi_lcd_dsi_dcs_write_4para(sel, DSI_DCS_SET_COLUMN_ADDRESS, 0x00, 0x00, 0x04, 0xaf); sunxi_lcd_dsi_dcs_write_4para(sel, DSI_DCS_SET_PAGE_ADDRESS, 0x00, 0x00, 0x07, 0x7f); sunxi_lcd_dsi_dcs_write_0para(sel, DSI_DCS_EXIT_SLEEP_MODE); sunxi_lcd_delay_ms(120); sunxi_lcd_dsi_dcs_write_0para(sel, DSI_DCS_SET_DISPLAY_ON); sunxi_lcd_dsi_gen_write_5para(sel, 0xb3, 0x14, 0x08, 0x00, 0x22, 0x00); sunxi_lcd_dsi_gen_write_1para(sel, 0xd6, 0x01); para[0] = 0x31; para[1] = 0xf7; para[2] = 0x80; para[3] = 0x00; para[4] = panel_info->lcd_vbp - 1; para[5] = 0x00; para[6] = 0x08; para[7] = 0x00; para[8] = 0x00; sunxi_lcd_dsi_gen_write(sel, 0xc2, para, 9); kfree(panel_info); } static void LCD_panel_exit(u32 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); } /* 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; } struct __lcd_panel lt070me05000_panel = { /* panel driver name, must mach the lcd_drv_name in sys_config.fex */ .name = "lt070me05000", .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, } , };