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| /*
| * 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 "default_eink.h"
|
| static void EINK_power_on(u32 sel);
| static void EINK_power_off(u32 sel);
|
| static void EINK_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 EINK_open_flow(u32 sel)
| {
| LCD_OPEN_FUNC(sel, EINK_power_on, 2);
| LCD_OPEN_FUNC(sel, sunxi_lcd_tcon_enable, 0);
| return 0;
| }
|
| static s32 EINK_close_flow(u32 sel)
| {
| LCD_CLOSE_FUNC(sel, sunxi_lcd_tcon_disable, 0);
| LCD_CLOSE_FUNC(sel, EINK_power_off, 2);
|
| return 0;
| }
|
| static void EINK_power_on(u32 sel)
| {
| /* pwr3 pb2 */
| sunxi_lcd_gpio_set_value(sel, 0, 1);
| sunxi_lcd_delay_ms(1);
| /* pwr0 pb0 */
| sunxi_lcd_gpio_set_value(sel, 1, 1);
| sunxi_lcd_delay_ms(1);
| /* pb1 */
| sunxi_lcd_gpio_set_value(sel, 2, 1);
| sunxi_lcd_delay_ms(1);
| /* pwr2 pd6 */
| sunxi_lcd_gpio_set_value(sel, 3, 1);
| sunxi_lcd_delay_ms(1);
| /* pwr com pd7 */
| sunxi_lcd_gpio_set_value(sel, 4, 1);
| sunxi_lcd_delay_ms(1);
|
| sunxi_lcd_gpio_set_value(sel, 5, 1);
| sunxi_lcd_delay_ms(2);
|
| sunxi_lcd_pin_cfg(sel, 1);
| }
|
| static void EINK_power_off(u32 sel)
| {
| sunxi_lcd_pin_cfg(sel, 0);
|
| sunxi_lcd_gpio_set_value(sel, 5, 0);
| sunxi_lcd_delay_ms(1);
| sunxi_lcd_gpio_set_value(sel, 4, 0);
| sunxi_lcd_delay_ms(1);
| sunxi_lcd_gpio_set_value(sel, 3, 0);
| sunxi_lcd_delay_ms(1);
| sunxi_lcd_gpio_set_value(sel, 2, 0);
| sunxi_lcd_delay_ms(1);
| sunxi_lcd_gpio_set_value(sel, 1, 0);
| sunxi_lcd_delay_ms(1);
| sunxi_lcd_gpio_set_value(sel, 0, 0);
| sunxi_lcd_delay_ms(2);
| }
|
| /* sel: 0:lcd0; 1:lcd1 */
| static s32 EINK_user_defined_func(u32 sel, u32 para1, u32 para2, u32 para3)
| {
| return 0;
| }
|
| struct __lcd_panel default_eink = {
| /* panel driver name, must mach the lcd_drv_name in sys_config.fex */
| .name = "default_eink",
| .func = {
| .cfg_panel_info = EINK_cfg_panel_info,
| .cfg_open_flow = EINK_open_flow,
| .cfg_close_flow = EINK_close_flow,
| .lcd_user_defined_func = EINK_user_defined_func,
| }
| ,
| };
|
|
