| /* |
| * Copyright 2018 NXP |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| |
| * 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. |
| |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| */ |
| |
| #include <linux/types.h> |
| #include <linux/init.h> |
| #include <linux/delay.h> |
| #include <linux/platform_device.h> |
| #include <linux/err.h> |
| #include <linux/clk.h> |
| #include <linux/console.h> |
| #include <linux/io.h> |
| #include <linux/bitops.h> |
| #include <linux/spinlock.h> |
| #include <linux/mipi_dsi.h> |
| #include <linux/mxcfb.h> |
| #include <linux/backlight.h> |
| #include <video/mipi_display.h> |
| |
| #include "mipi_dsi.h" |
| |
| #define RM68200_MAX_DPHY_CLK (850) |
| |
| #define CHECK_RETCODE(ret) \ |
| do { \ |
| if (ret < 0) { \ |
| dev_err(&mipi_dsi->pdev->dev, \ |
| "%s ERR: ret:%d, line:%d.\n", \ |
| __func__, ret, __LINE__); \ |
| return ret; \ |
| } \ |
| } while (0) |
| |
| static void parse_variadic(int n, u8 *buf, ...) |
| { |
| int i = 0; |
| va_list args; |
| |
| if (unlikely(!n)) return; |
| |
| va_start(args, buf); |
| |
| for (i = 0; i < n; i++) |
| buf[i + 1] = (u8)va_arg(args, int); |
| |
| va_end(args); |
| } |
| |
| #define RM68200_DCS_write_1A_nP(n, addr, ...) { \ |
| int err; \ |
| \ |
| buf[0] = addr; \ |
| parse_variadic(n, buf, ##__VA_ARGS__); \ |
| \ |
| if (n >= 2) \ |
| err = mipi_dsi->mipi_dsi_pkt_write(mipi_dsi, \ |
| MIPI_DSI_DCS_LONG_WRITE, (u32*)buf, n + 1); \ |
| else if (n == 1) \ |
| err = mipi_dsi->mipi_dsi_pkt_write(mipi_dsi, \ |
| MIPI_DSI_DCS_SHORT_WRITE_PARAM, (u32*)buf, 0); \ |
| else if (n == 0) \ |
| { \ |
| buf[1] = 0; \ |
| err = mipi_dsi->mipi_dsi_pkt_write(mipi_dsi, \ |
| MIPI_DSI_DCS_SHORT_WRITE, (u32*)buf, 0); \ |
| } \ |
| CHECK_RETCODE(err); \ |
| } |
| |
| #define RM68200_DCS_write_1A_0P(addr) \ |
| RM68200_DCS_write_1A_nP(0, addr) |
| |
| #define RM68200_DCS_write_1A_1P(addr, ...) \ |
| RM68200_DCS_write_1A_nP(1, addr, __VA_ARGS__) |
| |
| #define ACTIVE_HIGH_NAME "RK-WXGA-SYNC-HIGH" |
| #define ACTIVE_LOW_NAME "RK-WXGA-SYNC-LOW" |
| |
| static struct fb_videomode rk_lcd_modedb[] = { |
| /* 720 x 1280 */ |
| { |
| ACTIVE_HIGH_NAME, 60, 720, 1280, 16040, |
| 32, 32, |
| 14, 16, |
| 8, 2, |
| 0x0, |
| FB_VMODE_NONINTERLACED, |
| 0, |
| }, { |
| ACTIVE_LOW_NAME, 60, 720, 1280, 16040, |
| 32, 32, |
| 14, 16, |
| 8, 2, |
| FB_SYNC_OE_LOW_ACT, |
| FB_VMODE_NONINTERLACED, |
| 0, |
| }, |
| }; |
| |
| static struct mipi_lcd_config lcd_config = { |
| .virtual_ch = 0x0, |
| .data_lane_num = 2, |
| .max_phy_clk = RM68200_MAX_DPHY_CLK, |
| .dpi_fmt = MIPI_RGB888, |
| }; |
| |
| void mipid_rm68200_get_lcd_videomode(struct fb_videomode **mode, int *size, |
| struct mipi_lcd_config **data) |
| { |
| *mode = &rk_lcd_modedb[0]; |
| *size = ARRAY_SIZE(rk_lcd_modedb); |
| *data = &lcd_config; |
| } |
| |
| int mipid_rm68200_lcd_setup(struct mipi_dsi_info *mipi_dsi) |
| { |
| u8 buf[DSI_CMD_BUF_MAXSIZE]; |
| |
| dev_dbg(&mipi_dsi->pdev->dev, "MIPI DSI LCD RM68200 setup.\n"); |
| |
| /* change to MCS Page 0 */ |
| RM68200_DCS_write_1A_1P(0xFE, 0x01); |
| RM68200_DCS_write_1A_1P(0x24, 0xc0); /* External PWR IC Control */ |
| RM68200_DCS_write_1A_1P(0x25, 0x53); |
| RM68200_DCS_write_1A_1P(0x26, 0x00); |
| RM68200_DCS_write_1A_1P(0x2B, 0xE5); |
| RM68200_DCS_write_1A_1P(0x27, 0x0A); |
| RM68200_DCS_write_1A_1P(0x29, 0x0A); |
| RM68200_DCS_write_1A_1P(0x16, 0x52); |
| RM68200_DCS_write_1A_1P(0x2F, 0x53); |
| RM68200_DCS_write_1A_1P(0x34, 0x5A); |
| RM68200_DCS_write_1A_1P(0x1B, 0x00); |
| RM68200_DCS_write_1A_1P(0x12, 0x0A); |
| RM68200_DCS_write_1A_1P(0x1A, 0x06); |
| RM68200_DCS_write_1A_1P(0x46, 0x56); |
| RM68200_DCS_write_1A_1P(0x52, 0xA0); |
| RM68200_DCS_write_1A_1P(0x53, 0x00); |
| RM68200_DCS_write_1A_1P(0x54, 0xA0); |
| RM68200_DCS_write_1A_1P(0x55, 0x00); |
| RM68200_DCS_write_1A_1P(0x5F, 0x11); /* 2 data lanes */ |
| |
| /* change to MCS Page 2 */ |
| RM68200_DCS_write_1A_1P(0xFE, 0x03); |
| RM68200_DCS_write_1A_1P(0x00, 0x05); |
| RM68200_DCS_write_1A_1P(0x02, 0x0B); |
| RM68200_DCS_write_1A_1P(0x03, 0x0F); |
| RM68200_DCS_write_1A_1P(0x04, 0x7D); |
| RM68200_DCS_write_1A_1P(0x05, 0x00); |
| RM68200_DCS_write_1A_1P(0x06, 0x50); |
| RM68200_DCS_write_1A_1P(0x07, 0x05); |
| RM68200_DCS_write_1A_1P(0x08, 0x16); |
| RM68200_DCS_write_1A_1P(0x09, 0x0D); |
| RM68200_DCS_write_1A_1P(0x0A, 0x11); |
| RM68200_DCS_write_1A_1P(0x0B, 0x7D); |
| RM68200_DCS_write_1A_1P(0x0C, 0x00); |
| RM68200_DCS_write_1A_1P(0x0D, 0x50); |
| RM68200_DCS_write_1A_1P(0x0E, 0x07); |
| RM68200_DCS_write_1A_1P(0x0F, 0x08); |
| RM68200_DCS_write_1A_1P(0x10, 0x01); |
| RM68200_DCS_write_1A_1P(0x11, 0x02); |
| RM68200_DCS_write_1A_1P(0x12, 0x00); |
| RM68200_DCS_write_1A_1P(0x13, 0x7D); |
| RM68200_DCS_write_1A_1P(0x14, 0x00); |
| RM68200_DCS_write_1A_1P(0x15, 0x85); |
| RM68200_DCS_write_1A_1P(0x16, 0x08); |
| RM68200_DCS_write_1A_1P(0x17, 0x03); |
| RM68200_DCS_write_1A_1P(0x18, 0x04); |
| RM68200_DCS_write_1A_1P(0x19, 0x05); |
| RM68200_DCS_write_1A_1P(0x1A, 0x06); |
| RM68200_DCS_write_1A_1P(0x1B, 0x00); |
| RM68200_DCS_write_1A_1P(0x1C, 0x7D); |
| RM68200_DCS_write_1A_1P(0x1D, 0x00); |
| RM68200_DCS_write_1A_1P(0x1E, 0x85); |
| RM68200_DCS_write_1A_1P(0x1F, 0x08); |
| RM68200_DCS_write_1A_1P(0x20, 0x00); |
| RM68200_DCS_write_1A_1P(0x21, 0x00); |
| RM68200_DCS_write_1A_1P(0x22, 0x00); |
| RM68200_DCS_write_1A_1P(0x23, 0x00); |
| RM68200_DCS_write_1A_1P(0x24, 0x00); |
| RM68200_DCS_write_1A_1P(0x25, 0x00); |
| RM68200_DCS_write_1A_1P(0x26, 0x00); |
| RM68200_DCS_write_1A_1P(0x27, 0x00); |
| RM68200_DCS_write_1A_1P(0x28, 0x00); |
| RM68200_DCS_write_1A_1P(0x29, 0x00); |
| RM68200_DCS_write_1A_1P(0x2A, 0x07); |
| RM68200_DCS_write_1A_1P(0x2B, 0x08); |
| RM68200_DCS_write_1A_1P(0x2D, 0x01); |
| RM68200_DCS_write_1A_1P(0x2F, 0x02); |
| RM68200_DCS_write_1A_1P(0x30, 0x00); |
| RM68200_DCS_write_1A_1P(0x31, 0x40); |
| RM68200_DCS_write_1A_1P(0x32, 0x05); |
| RM68200_DCS_write_1A_1P(0x33, 0x08); |
| RM68200_DCS_write_1A_1P(0x34, 0x54); |
| RM68200_DCS_write_1A_1P(0x35, 0x7D); |
| RM68200_DCS_write_1A_1P(0x36, 0x00); |
| RM68200_DCS_write_1A_1P(0x37, 0x03); |
| RM68200_DCS_write_1A_1P(0x38, 0x04); |
| RM68200_DCS_write_1A_1P(0x39, 0x05); |
| RM68200_DCS_write_1A_1P(0x3A, 0x06); |
| RM68200_DCS_write_1A_1P(0x3B, 0x00); |
| RM68200_DCS_write_1A_1P(0x3D, 0x40); |
| RM68200_DCS_write_1A_1P(0x3F, 0x05); |
| RM68200_DCS_write_1A_1P(0x40, 0x08); |
| RM68200_DCS_write_1A_1P(0x41, 0x54); |
| RM68200_DCS_write_1A_1P(0x42, 0x7D); |
| RM68200_DCS_write_1A_1P(0x43, 0x00); |
| RM68200_DCS_write_1A_1P(0x44, 0x00); |
| RM68200_DCS_write_1A_1P(0x45, 0x00); |
| RM68200_DCS_write_1A_1P(0x46, 0x00); |
| RM68200_DCS_write_1A_1P(0x47, 0x00); |
| RM68200_DCS_write_1A_1P(0x48, 0x00); |
| RM68200_DCS_write_1A_1P(0x49, 0x00); |
| RM68200_DCS_write_1A_1P(0x4A, 0x00); |
| RM68200_DCS_write_1A_1P(0x4B, 0x00); |
| RM68200_DCS_write_1A_1P(0x4C, 0x00); |
| RM68200_DCS_write_1A_1P(0x4D, 0x00); |
| RM68200_DCS_write_1A_1P(0x4E, 0x00); |
| RM68200_DCS_write_1A_1P(0x4F, 0x00); |
| RM68200_DCS_write_1A_1P(0x50, 0x00); |
| RM68200_DCS_write_1A_1P(0x51, 0x00); |
| RM68200_DCS_write_1A_1P(0x52, 0x00); |
| RM68200_DCS_write_1A_1P(0x53, 0x00); |
| RM68200_DCS_write_1A_1P(0x54, 0x00); |
| RM68200_DCS_write_1A_1P(0x55, 0x00); |
| RM68200_DCS_write_1A_1P(0x56, 0x00); |
| RM68200_DCS_write_1A_1P(0x58, 0x00); |
| RM68200_DCS_write_1A_1P(0x59, 0x00); |
| RM68200_DCS_write_1A_1P(0x5A, 0x00); |
| RM68200_DCS_write_1A_1P(0x5B, 0x00); |
| RM68200_DCS_write_1A_1P(0x5C, 0x00); |
| RM68200_DCS_write_1A_1P(0x5D, 0x00); |
| RM68200_DCS_write_1A_1P(0x5E, 0x00); |
| RM68200_DCS_write_1A_1P(0x5F, 0x00); |
| RM68200_DCS_write_1A_1P(0x60, 0x00); |
| RM68200_DCS_write_1A_1P(0x61, 0x00); |
| RM68200_DCS_write_1A_1P(0x62, 0x00); |
| RM68200_DCS_write_1A_1P(0x63, 0x00); |
| RM68200_DCS_write_1A_1P(0x64, 0x00); |
| RM68200_DCS_write_1A_1P(0x65, 0x00); |
| RM68200_DCS_write_1A_1P(0x66, 0x00); |
| RM68200_DCS_write_1A_1P(0x67, 0x00); |
| RM68200_DCS_write_1A_1P(0x68, 0x00); |
| RM68200_DCS_write_1A_1P(0x69, 0x00); |
| RM68200_DCS_write_1A_1P(0x6A, 0x00); |
| RM68200_DCS_write_1A_1P(0x6B, 0x00); |
| RM68200_DCS_write_1A_1P(0x6C, 0x00); |
| RM68200_DCS_write_1A_1P(0x6D, 0x00); |
| RM68200_DCS_write_1A_1P(0x6E, 0x00); |
| RM68200_DCS_write_1A_1P(0x6F, 0x00); |
| RM68200_DCS_write_1A_1P(0x70, 0x00); |
| RM68200_DCS_write_1A_1P(0x71, 0x00); |
| RM68200_DCS_write_1A_1P(0x72, 0x20); |
| RM68200_DCS_write_1A_1P(0x73, 0x00); |
| RM68200_DCS_write_1A_1P(0x74, 0x08); |
| RM68200_DCS_write_1A_1P(0x75, 0x08); |
| RM68200_DCS_write_1A_1P(0x76, 0x08); |
| RM68200_DCS_write_1A_1P(0x77, 0x08); |
| RM68200_DCS_write_1A_1P(0x78, 0x08); |
| RM68200_DCS_write_1A_1P(0x79, 0x08); |
| RM68200_DCS_write_1A_1P(0x7A, 0x00); |
| RM68200_DCS_write_1A_1P(0x7B, 0x00); |
| RM68200_DCS_write_1A_1P(0x7C, 0x00); |
| RM68200_DCS_write_1A_1P(0x7D, 0x00); |
| RM68200_DCS_write_1A_1P(0x7E, 0xBF); |
| RM68200_DCS_write_1A_1P(0x7F, 0x02); |
| RM68200_DCS_write_1A_1P(0x80, 0x06); |
| RM68200_DCS_write_1A_1P(0x81, 0x14); |
| RM68200_DCS_write_1A_1P(0x82, 0x10); |
| RM68200_DCS_write_1A_1P(0x83, 0x16); |
| RM68200_DCS_write_1A_1P(0x84, 0x12); |
| RM68200_DCS_write_1A_1P(0x85, 0x08); |
| RM68200_DCS_write_1A_1P(0x86, 0x3F); |
| RM68200_DCS_write_1A_1P(0x87, 0x3F); |
| RM68200_DCS_write_1A_1P(0x88, 0x3F); |
| RM68200_DCS_write_1A_1P(0x89, 0x3F); |
| RM68200_DCS_write_1A_1P(0x8A, 0x3F); |
| RM68200_DCS_write_1A_1P(0x8B, 0x0C); |
| RM68200_DCS_write_1A_1P(0x8C, 0x0A); |
| RM68200_DCS_write_1A_1P(0x8D, 0x0E); |
| RM68200_DCS_write_1A_1P(0x8E, 0x3F); |
| RM68200_DCS_write_1A_1P(0x8F, 0x3F); |
| RM68200_DCS_write_1A_1P(0x90, 0x00); |
| RM68200_DCS_write_1A_1P(0x91, 0x04); |
| RM68200_DCS_write_1A_1P(0x92, 0x3F); |
| RM68200_DCS_write_1A_1P(0x93, 0x3F); |
| RM68200_DCS_write_1A_1P(0x94, 0x3F); |
| RM68200_DCS_write_1A_1P(0x95, 0x3F); |
| RM68200_DCS_write_1A_1P(0x96, 0x05); |
| RM68200_DCS_write_1A_1P(0x97, 0x01); |
| RM68200_DCS_write_1A_1P(0x98, 0x3F); |
| RM68200_DCS_write_1A_1P(0x99, 0x3F); |
| RM68200_DCS_write_1A_1P(0x9A, 0x0F); |
| RM68200_DCS_write_1A_1P(0x9B, 0x0B); |
| RM68200_DCS_write_1A_1P(0x9C, 0x0D); |
| RM68200_DCS_write_1A_1P(0x9D, 0x3F); |
| RM68200_DCS_write_1A_1P(0x9E, 0x3F); |
| RM68200_DCS_write_1A_1P(0x9F, 0x3F); |
| RM68200_DCS_write_1A_1P(0xA0, 0x3F); |
| RM68200_DCS_write_1A_1P(0xA2, 0x3F); |
| RM68200_DCS_write_1A_1P(0xA3, 0x09); |
| RM68200_DCS_write_1A_1P(0xA4, 0x13); |
| RM68200_DCS_write_1A_1P(0xA5, 0x17); |
| RM68200_DCS_write_1A_1P(0xA6, 0x11); |
| RM68200_DCS_write_1A_1P(0xA7, 0x15); |
| RM68200_DCS_write_1A_1P(0xA9, 0x07); |
| RM68200_DCS_write_1A_1P(0xAA, 0x03); |
| RM68200_DCS_write_1A_1P(0xAB, 0x3F); |
| RM68200_DCS_write_1A_1P(0xAC, 0x3F); |
| RM68200_DCS_write_1A_1P(0xAD, 0x05); |
| RM68200_DCS_write_1A_1P(0xAE, 0x01); |
| RM68200_DCS_write_1A_1P(0xAF, 0x17); |
| RM68200_DCS_write_1A_1P(0xB0, 0x13); |
| RM68200_DCS_write_1A_1P(0xB1, 0x15); |
| RM68200_DCS_write_1A_1P(0xB2, 0x11); |
| RM68200_DCS_write_1A_1P(0xB3, 0x0F); |
| RM68200_DCS_write_1A_1P(0xB4, 0x3F); |
| RM68200_DCS_write_1A_1P(0xB5, 0x3F); |
| RM68200_DCS_write_1A_1P(0xB6, 0x3F); |
| RM68200_DCS_write_1A_1P(0xB7, 0x3F); |
| RM68200_DCS_write_1A_1P(0xB8, 0x3F); |
| RM68200_DCS_write_1A_1P(0xB9, 0x0B); |
| RM68200_DCS_write_1A_1P(0xBA, 0x0D); |
| RM68200_DCS_write_1A_1P(0xBB, 0x09); |
| RM68200_DCS_write_1A_1P(0xBC, 0x3F); |
| RM68200_DCS_write_1A_1P(0xBD, 0x3F); |
| RM68200_DCS_write_1A_1P(0xBE, 0x07); |
| RM68200_DCS_write_1A_1P(0xBF, 0x03); |
| RM68200_DCS_write_1A_1P(0xC0, 0x3F); |
| RM68200_DCS_write_1A_1P(0xC1, 0x3F); |
| RM68200_DCS_write_1A_1P(0xC2, 0x3F); |
| RM68200_DCS_write_1A_1P(0xC3, 0x3F); |
| RM68200_DCS_write_1A_1P(0xC4, 0x02); |
| RM68200_DCS_write_1A_1P(0xC5, 0x06); |
| RM68200_DCS_write_1A_1P(0xC6, 0x3F); |
| RM68200_DCS_write_1A_1P(0xC7, 0x3F); |
| RM68200_DCS_write_1A_1P(0xC8, 0x08); |
| RM68200_DCS_write_1A_1P(0xC9, 0x0C); |
| RM68200_DCS_write_1A_1P(0xCA, 0x0A); |
| RM68200_DCS_write_1A_1P(0xCB, 0x3F); |
| RM68200_DCS_write_1A_1P(0xCC, 0x3F); |
| RM68200_DCS_write_1A_1P(0xCD, 0x3F); |
| RM68200_DCS_write_1A_1P(0xCE, 0x3F); |
| RM68200_DCS_write_1A_1P(0xCF, 0x3F); |
| RM68200_DCS_write_1A_1P(0xD0, 0x0E); |
| RM68200_DCS_write_1A_1P(0xD1, 0x10); |
| RM68200_DCS_write_1A_1P(0xD2, 0x14); |
| RM68200_DCS_write_1A_1P(0xD3, 0x12); |
| RM68200_DCS_write_1A_1P(0xD4, 0x16); |
| RM68200_DCS_write_1A_1P(0xD5, 0x00); |
| RM68200_DCS_write_1A_1P(0xD6, 0x04); |
| RM68200_DCS_write_1A_1P(0xD7, 0x3F); |
| RM68200_DCS_write_1A_1P(0xDC, 0x02); |
| RM68200_DCS_write_1A_1P(0xDE, 0x12); |
| RM68200_DCS_write_1A_1P(0xFE, 0x0E); |
| RM68200_DCS_write_1A_1P(0x01, 0x75); |
| |
| /* change to MCS Page 3: Gamma Settings */ |
| RM68200_DCS_write_1A_1P(0xFE, 0x04); |
| RM68200_DCS_write_1A_1P(0x60, 0x00); |
| RM68200_DCS_write_1A_1P(0x61, 0x0C); |
| RM68200_DCS_write_1A_1P(0x62, 0x12); |
| RM68200_DCS_write_1A_1P(0x63, 0x0E); |
| RM68200_DCS_write_1A_1P(0x64, 0x06); |
| RM68200_DCS_write_1A_1P(0x65, 0x12); |
| RM68200_DCS_write_1A_1P(0x66, 0x0E); |
| RM68200_DCS_write_1A_1P(0x67, 0x0B); |
| RM68200_DCS_write_1A_1P(0x68, 0x15); |
| RM68200_DCS_write_1A_1P(0x69, 0x0B); |
| RM68200_DCS_write_1A_1P(0x6A, 0x10); |
| RM68200_DCS_write_1A_1P(0x6B, 0x07); |
| RM68200_DCS_write_1A_1P(0x6C, 0x0F); |
| RM68200_DCS_write_1A_1P(0x6D, 0x12); |
| RM68200_DCS_write_1A_1P(0x6E, 0x0C); |
| RM68200_DCS_write_1A_1P(0x6F, 0x00); |
| RM68200_DCS_write_1A_1P(0x70, 0x00); |
| RM68200_DCS_write_1A_1P(0x71, 0x0C); |
| RM68200_DCS_write_1A_1P(0x72, 0x12); |
| RM68200_DCS_write_1A_1P(0x73, 0x0E); |
| RM68200_DCS_write_1A_1P(0x74, 0x06); |
| RM68200_DCS_write_1A_1P(0x75, 0x12); |
| RM68200_DCS_write_1A_1P(0x76, 0x0E); |
| RM68200_DCS_write_1A_1P(0x77, 0x0B); |
| RM68200_DCS_write_1A_1P(0x78, 0x15); |
| RM68200_DCS_write_1A_1P(0x79, 0x0B); |
| RM68200_DCS_write_1A_1P(0x7A, 0x10); |
| RM68200_DCS_write_1A_1P(0x7B, 0x07); |
| RM68200_DCS_write_1A_1P(0x7C, 0x0F); |
| RM68200_DCS_write_1A_1P(0x7D, 0x12); |
| RM68200_DCS_write_1A_1P(0x7E, 0x0C); |
| RM68200_DCS_write_1A_1P(0x7F, 0x00); |
| |
| /* change to MCS Page 0 */ |
| RM68200_DCS_write_1A_1P(0xFE, 0x00); |
| RM68200_DCS_write_1A_1P(0x11, 0x00); |
| mdelay(200); |
| RM68200_DCS_write_1A_1P(0x29, 0x00); |
| mdelay(100); |
| RM68200_DCS_write_1A_0P(0x2C); |
| RM68200_DCS_write_1A_1P(0x35, 0x00); |
| mdelay(200); |
| |
| return 0; |
| } |
| |
| static int mipid_bl_update_status(struct backlight_device *bl) |
| { |
| return 0; |
| } |
| |
| static int mipid_bl_get_brightness(struct backlight_device *bl) |
| { |
| return 255; |
| } |
| |
| static int mipi_bl_check_fb(struct backlight_device *bl, struct fb_info *fbi) |
| { |
| return 0; |
| } |
| |
| static const struct backlight_ops mipid_lcd_bl_ops = { |
| .update_status = mipid_bl_update_status, |
| .get_brightness = mipid_bl_get_brightness, |
| .check_fb = mipi_bl_check_fb, |
| }; |