mirror of
https://github.com/AsahiLinux/u-boot
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compulab: Drop old LCD code
This relies on the old LCD implementation which is to be removed. Drop it. Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
Anatolij Gustschin
parent
5ce85e069f
commit
5cab749b9b
2 changed files with 0 additions and 453 deletions
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@ -6,5 +6,4 @@
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obj-y += common.o
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obj-y += common.o
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obj-$(CONFIG_$(SPL_)SYS_I2C_LEGACY) += eeprom.o
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obj-$(CONFIG_$(SPL_)SYS_I2C_LEGACY) += eeprom.o
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obj-$(CONFIG_LCD) += omap3_display.o
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obj-$(CONFIG_SMC911X) += omap3_smc911x.o
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obj-$(CONFIG_SMC911X) += omap3_smc911x.o
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@ -1,452 +0,0 @@
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2012 - 2013 CompuLab, Ltd. <www.compulab.co.il>
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*
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* Authors: Nikita Kiryanov <nikita@compulab.co.il>
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*
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* Parsing code based on linux/drivers/video/pxafb.c
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*/
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#include <common.h>
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#include <asm/gpio.h>
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#include <asm/io.h>
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#include <env.h>
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#include <stdio_dev.h>
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#include <asm/arch/dss.h>
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#include <lcd.h>
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#include <scf0403_lcd.h>
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#include <asm/arch-omap3/dss.h>
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enum display_type {
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NONE,
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DVI,
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DVI_CUSTOM,
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DATA_IMAGE, /* #define CONFIG_SCF0403_LCD to use */
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};
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#define CMAP_ADDR 0x80100000
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/*
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* The frame buffer is allocated before we have the chance to parse user input.
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* To make sure enough memory is allocated for all resolutions, we define
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* vl_{col | row} to the maximal resolution supported by OMAP3.
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*/
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vidinfo_t panel_info = {
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.vl_col = 1400,
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.vl_row = 1050,
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.vl_bpix = LCD_BPP,
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.cmap = (ushort *)CMAP_ADDR,
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};
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static struct panel_config panel_cfg;
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static enum display_type lcd_def;
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/*
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* A note on DVI presets;
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* U-Boot can convert 8 bit BMP data to 16 bit BMP data, and OMAP DSS can
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* convert 16 bit data into 24 bit data. Thus, GFXFORMAT_RGB16 allows us to
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* support two BMP types with one setting.
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*/
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static const struct panel_config preset_dvi_640X480 = {
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.lcd_size = PANEL_LCD_SIZE(640, 480),
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.timing_h = DSS_HBP(48) | DSS_HFP(16) | DSS_HSW(96),
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.timing_v = DSS_VBP(33) | DSS_VFP(10) | DSS_VSW(2),
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.pol_freq = DSS_IHS | DSS_IVS | DSS_IPC,
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.divisor = 12 | (1 << 16),
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.data_lines = LCD_INTERFACE_24_BIT,
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.panel_type = ACTIVE_DISPLAY,
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.load_mode = 2,
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.gfx_format = GFXFORMAT_RGB16,
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};
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static const struct panel_config preset_dvi_800X600 = {
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.lcd_size = PANEL_LCD_SIZE(800, 600),
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.timing_h = DSS_HBP(88) | DSS_HFP(40) | DSS_HSW(128),
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.timing_v = DSS_VBP(23) | DSS_VFP(1) | DSS_VSW(4),
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.pol_freq = DSS_IHS | DSS_IVS | DSS_IPC,
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.divisor = 8 | (1 << 16),
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.data_lines = LCD_INTERFACE_24_BIT,
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.panel_type = ACTIVE_DISPLAY,
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.load_mode = 2,
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.gfx_format = GFXFORMAT_RGB16,
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};
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static const struct panel_config preset_dvi_1024X768 = {
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.lcd_size = PANEL_LCD_SIZE(1024, 768),
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.timing_h = DSS_HBP(160) | DSS_HFP(24) | DSS_HSW(136),
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.timing_v = DSS_VBP(29) | DSS_VFP(3) | DSS_VSW(6),
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.pol_freq = DSS_IHS | DSS_IVS | DSS_IPC,
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.divisor = 5 | (1 << 16),
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.data_lines = LCD_INTERFACE_24_BIT,
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.panel_type = ACTIVE_DISPLAY,
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.load_mode = 2,
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.gfx_format = GFXFORMAT_RGB16,
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};
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static const struct panel_config preset_dvi_1152X864 = {
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.lcd_size = PANEL_LCD_SIZE(1152, 864),
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.timing_h = DSS_HBP(256) | DSS_HFP(64) | DSS_HSW(128),
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.timing_v = DSS_VBP(32) | DSS_VFP(1) | DSS_VSW(3),
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.pol_freq = DSS_IHS | DSS_IVS | DSS_IPC,
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.divisor = 4 | (1 << 16),
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.data_lines = LCD_INTERFACE_24_BIT,
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.panel_type = ACTIVE_DISPLAY,
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.load_mode = 2,
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.gfx_format = GFXFORMAT_RGB16,
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};
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static const struct panel_config preset_dvi_1280X960 = {
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.lcd_size = PANEL_LCD_SIZE(1280, 960),
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.timing_h = DSS_HBP(312) | DSS_HFP(96) | DSS_HSW(112),
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.timing_v = DSS_VBP(36) | DSS_VFP(1) | DSS_VSW(3),
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.pol_freq = DSS_IHS | DSS_IVS | DSS_IPC,
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.divisor = 3 | (1 << 16),
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.data_lines = LCD_INTERFACE_24_BIT,
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.panel_type = ACTIVE_DISPLAY,
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.load_mode = 2,
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.gfx_format = GFXFORMAT_RGB16,
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};
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static const struct panel_config preset_dvi_1280X1024 = {
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.lcd_size = PANEL_LCD_SIZE(1280, 1024),
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.timing_h = DSS_HBP(248) | DSS_HFP(48) | DSS_HSW(112),
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.timing_v = DSS_VBP(38) | DSS_VFP(1) | DSS_VSW(3),
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.pol_freq = DSS_IHS | DSS_IVS | DSS_IPC,
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.divisor = 3 | (1 << 16),
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.data_lines = LCD_INTERFACE_24_BIT,
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.panel_type = ACTIVE_DISPLAY,
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.load_mode = 2,
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.gfx_format = GFXFORMAT_RGB16,
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};
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static const struct panel_config preset_dataimage_480X800 = {
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.lcd_size = PANEL_LCD_SIZE(480, 800),
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.timing_h = DSS_HBP(2) | DSS_HFP(2) | DSS_HSW(2),
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.timing_v = DSS_VBP(17) | DSS_VFP(20) | DSS_VSW(3),
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.pol_freq = DSS_IVS | DSS_IHS | DSS_IPC | DSS_ONOFF,
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.divisor = 10 | (1 << 10),
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.data_lines = LCD_INTERFACE_18_BIT,
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.panel_type = ACTIVE_DISPLAY,
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.load_mode = 2,
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.gfx_format = GFXFORMAT_RGB16,
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};
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/*
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* set_resolution_params()
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*
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* Due to usage of multiple display related APIs resolution data is located in
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* more than one place. This function updates them all.
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*/
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static void set_resolution_params(int x, int y)
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{
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panel_cfg.lcd_size = PANEL_LCD_SIZE(x, y);
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panel_info.vl_col = x;
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panel_info.vl_row = y;
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lcd_line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8;
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}
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static void set_preset(const struct panel_config preset, int x_res, int y_res)
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{
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panel_cfg = preset;
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set_resolution_params(x_res, y_res);
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}
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static enum display_type set_dvi_preset(const struct panel_config preset,
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int x_res, int y_res)
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{
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set_preset(preset, x_res, y_res);
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return DVI;
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}
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static enum display_type set_dataimage_preset(const struct panel_config preset,
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int x_res, int y_res)
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{
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set_preset(preset, x_res, y_res);
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return DATA_IMAGE;
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}
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/*
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* parse_mode() - parse the mode parameter of custom lcd settings
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*
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* @mode: <res_x>x<res_y>
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*
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* Returns -1 on error, 0 on success.
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*/
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static int parse_mode(const char *mode)
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{
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unsigned int modelen = strlen(mode);
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int res_specified = 0;
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unsigned int xres = 0, yres = 0;
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int yres_specified = 0;
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int i;
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for (i = modelen - 1; i >= 0; i--) {
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switch (mode[i]) {
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case 'x':
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if (!yres_specified) {
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yres = simple_strtoul(&mode[i + 1], NULL, 0);
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yres_specified = 1;
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} else {
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goto done_parsing;
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}
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break;
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case '0' ... '9':
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break;
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default:
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goto done_parsing;
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}
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}
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if (i < 0 && yres_specified) {
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xres = simple_strtoul(mode, NULL, 0);
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res_specified = 1;
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}
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done_parsing:
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if (res_specified) {
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set_resolution_params(xres, yres);
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} else {
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printf("LCD: invalid mode: %s\n", mode);
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return -1;
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}
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return 0;
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}
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#define PIXEL_CLK_NUMERATOR (26 * 432 / 39)
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/*
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* parse_pixclock() - Parse the pixclock parameter of custom lcd settings
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*
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* @pixclock: the desired pixel clock
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*
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* Returns -1 on error, 0 on success.
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*
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* Handling the pixel_clock:
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*
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* Pixel clock is defined in the OMAP35x TRM as follows:
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* pixel_clock =
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* (SYS_CLK * 2 * PRCM.CM_CLKSEL2_PLL[18:8]) /
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* (DSS.DISPC_DIVISOR[23:16] * DSS.DISPC_DIVISOR[6:0] *
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* PRCM.CM_CLKSEL_DSS[4:0] * (PRCM.CM_CLKSEL2_PLL[6:0] + 1))
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*
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* In practice, this means that in order to set the
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* divisor for the desired pixel clock one needs to
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* solve the following equation:
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*
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* 26 * 432 / (39 * <pixel_clock>) = DSS.DISPC_DIVISOR[6:0]
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*
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* NOTE: the explicit equation above is reduced. Do not
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* try to infer anything from these numbers.
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*/
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static int parse_pixclock(char *pixclock)
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{
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int divisor, pixclock_val;
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char *pixclk_start = pixclock;
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pixclock_val = dectoul(pixclock, &pixclock);
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divisor = DIV_ROUND_UP(PIXEL_CLK_NUMERATOR, pixclock_val);
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/* 0 and 1 are illegal values for PCD */
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if (divisor <= 1)
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divisor = 2;
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panel_cfg.divisor = divisor | (1 << 16);
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if (pixclock[0] != '\0') {
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printf("LCD: invalid value for pixclock:%s\n", pixclk_start);
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return -1;
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}
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return 0;
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}
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/*
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* parse_setting() - parse a single setting of custom lcd parameters
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*
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* @setting: The custom lcd setting <name>:<value>
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*
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* Returns -1 on failure, 0 on success.
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*/
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static int parse_setting(char *setting)
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{
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int num_val;
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char *setting_start = setting;
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if (!strncmp(setting, "mode:", 5)) {
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return parse_mode(setting + 5);
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} else if (!strncmp(setting, "pixclock:", 9)) {
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return parse_pixclock(setting + 9);
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} else if (!strncmp(setting, "left:", 5)) {
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num_val = simple_strtoul(setting + 5, &setting, 0);
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panel_cfg.timing_h |= DSS_HBP(num_val);
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} else if (!strncmp(setting, "right:", 6)) {
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num_val = simple_strtoul(setting + 6, &setting, 0);
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panel_cfg.timing_h |= DSS_HFP(num_val);
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} else if (!strncmp(setting, "upper:", 6)) {
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num_val = simple_strtoul(setting + 6, &setting, 0);
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panel_cfg.timing_v |= DSS_VBP(num_val);
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} else if (!strncmp(setting, "lower:", 6)) {
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num_val = simple_strtoul(setting + 6, &setting, 0);
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panel_cfg.timing_v |= DSS_VFP(num_val);
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} else if (!strncmp(setting, "hsynclen:", 9)) {
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num_val = simple_strtoul(setting + 9, &setting, 0);
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panel_cfg.timing_h |= DSS_HSW(num_val);
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} else if (!strncmp(setting, "vsynclen:", 9)) {
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num_val = simple_strtoul(setting + 9, &setting, 0);
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panel_cfg.timing_v |= DSS_VSW(num_val);
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} else if (!strncmp(setting, "hsync:", 6)) {
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if (simple_strtoul(setting + 6, &setting, 0) == 0)
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panel_cfg.pol_freq |= DSS_IHS;
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else
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panel_cfg.pol_freq &= ~DSS_IHS;
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} else if (!strncmp(setting, "vsync:", 6)) {
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if (simple_strtoul(setting + 6, &setting, 0) == 0)
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panel_cfg.pol_freq |= DSS_IVS;
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else
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panel_cfg.pol_freq &= ~DSS_IVS;
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} else if (!strncmp(setting, "outputen:", 9)) {
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if (simple_strtoul(setting + 9, &setting, 0) == 0)
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panel_cfg.pol_freq |= DSS_IEO;
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else
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panel_cfg.pol_freq &= ~DSS_IEO;
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} else if (!strncmp(setting, "pixclockpol:", 12)) {
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if (simple_strtoul(setting + 12, &setting, 0) == 0)
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panel_cfg.pol_freq |= DSS_IPC;
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else
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panel_cfg.pol_freq &= ~DSS_IPC;
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} else if (!strncmp(setting, "active", 6)) {
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panel_cfg.panel_type = ACTIVE_DISPLAY;
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return 0; /* Avoid sanity check below */
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} else if (!strncmp(setting, "passive", 7)) {
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panel_cfg.panel_type = PASSIVE_DISPLAY;
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return 0; /* Avoid sanity check below */
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} else if (!strncmp(setting, "display:", 8)) {
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if (!strncmp(setting + 8, "dvi", 3)) {
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lcd_def = DVI_CUSTOM;
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return 0; /* Avoid sanity check below */
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}
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} else {
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printf("LCD: unknown option %s\n", setting_start);
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return -1;
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}
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if (setting[0] != '\0') {
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printf("LCD: invalid value for %s\n", setting_start);
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return -1;
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}
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return 0;
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||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
* env_parse_customlcd() - parse custom lcd params from an environment variable.
|
|
||||||
*
|
|
||||||
* @custom_lcd_params: The environment variable containing the lcd params.
|
|
||||||
*
|
|
||||||
* Returns -1 on failure, 0 on success.
|
|
||||||
*/
|
|
||||||
static int parse_customlcd(char *custom_lcd_params)
|
|
||||||
{
|
|
||||||
char params_cpy[160];
|
|
||||||
char *setting;
|
|
||||||
|
|
||||||
strncpy(params_cpy, custom_lcd_params, 160);
|
|
||||||
setting = strtok(params_cpy, ",");
|
|
||||||
while (setting) {
|
|
||||||
if (parse_setting(setting) < 0)
|
|
||||||
return -1;
|
|
||||||
|
|
||||||
setting = strtok(NULL, ",");
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Currently we don't support changing this via custom lcd params */
|
|
||||||
panel_cfg.data_lines = LCD_INTERFACE_24_BIT;
|
|
||||||
panel_cfg.gfx_format = GFXFORMAT_RGB16; /* See dvi predefines note */
|
|
||||||
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
* env_parse_displaytype() - parse display type.
|
|
||||||
*
|
|
||||||
* Parses the environment variable "displaytype", which contains the
|
|
||||||
* name of the display type or preset, in which case it applies its
|
|
||||||
* configurations.
|
|
||||||
*
|
|
||||||
* Returns the type of display that was specified.
|
|
||||||
*/
|
|
||||||
static enum display_type env_parse_displaytype(char *displaytype)
|
|
||||||
{
|
|
||||||
if (!strncmp(displaytype, "dvi640x480", 10))
|
|
||||||
return set_dvi_preset(preset_dvi_640X480, 640, 480);
|
|
||||||
else if (!strncmp(displaytype, "dvi800x600", 10))
|
|
||||||
return set_dvi_preset(preset_dvi_800X600, 800, 600);
|
|
||||||
else if (!strncmp(displaytype, "dvi1024x768", 11))
|
|
||||||
return set_dvi_preset(preset_dvi_1024X768, 1024, 768);
|
|
||||||
else if (!strncmp(displaytype, "dvi1152x864", 11))
|
|
||||||
return set_dvi_preset(preset_dvi_1152X864, 1152, 864);
|
|
||||||
else if (!strncmp(displaytype, "dvi1280x960", 11))
|
|
||||||
return set_dvi_preset(preset_dvi_1280X960, 1280, 960);
|
|
||||||
else if (!strncmp(displaytype, "dvi1280x1024", 12))
|
|
||||||
return set_dvi_preset(preset_dvi_1280X1024, 1280, 1024);
|
|
||||||
else if (!strncmp(displaytype, "dataimage480x800", 16))
|
|
||||||
return set_dataimage_preset(preset_dataimage_480X800, 480, 800);
|
|
||||||
|
|
||||||
return NONE;
|
|
||||||
}
|
|
||||||
|
|
||||||
void lcd_ctrl_init(void *lcdbase)
|
|
||||||
{
|
|
||||||
struct prcm *prcm = (struct prcm *)PRCM_BASE;
|
|
||||||
char *custom_lcd;
|
|
||||||
char *displaytype = env_get("displaytype");
|
|
||||||
|
|
||||||
if (displaytype == NULL)
|
|
||||||
return;
|
|
||||||
|
|
||||||
lcd_def = env_parse_displaytype(displaytype);
|
|
||||||
/* If we did not recognize the preset, check if it's an env variable */
|
|
||||||
if (lcd_def == NONE) {
|
|
||||||
custom_lcd = env_get(displaytype);
|
|
||||||
if (custom_lcd == NULL || parse_customlcd(custom_lcd) < 0)
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
panel_cfg.frame_buffer = lcdbase;
|
|
||||||
omap3_dss_panel_config(&panel_cfg);
|
|
||||||
/*
|
|
||||||
* Pixel clock is defined with many divisions and only few
|
|
||||||
* multiplications of the system clock. Since DSS FCLK divisor is set
|
|
||||||
* to 16 by default, we need to set it to a smaller value, like 3
|
|
||||||
* (chosen via trial and error).
|
|
||||||
*/
|
|
||||||
clrsetbits_le32(&prcm->clksel_dss, 0xF, 3);
|
|
||||||
}
|
|
||||||
|
|
||||||
#ifdef CONFIG_SCF0403_LCD
|
|
||||||
static void scf0403_enable(void)
|
|
||||||
{
|
|
||||||
gpio_direction_output(58, 1);
|
|
||||||
scf0403_init(157);
|
|
||||||
}
|
|
||||||
#else
|
|
||||||
static inline void scf0403_enable(void) {}
|
|
||||||
#endif
|
|
||||||
|
|
||||||
void lcd_enable(void)
|
|
||||||
{
|
|
||||||
switch (lcd_def) {
|
|
||||||
case NONE:
|
|
||||||
return;
|
|
||||||
case DVI:
|
|
||||||
case DVI_CUSTOM:
|
|
||||||
gpio_direction_output(54, 0); /* Turn on DVI */
|
|
||||||
break;
|
|
||||||
case DATA_IMAGE:
|
|
||||||
scf0403_enable();
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
omap3_dss_enable();
|
|
||||||
}
|
|
||||||
|
|
||||||
void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue) {}
|
|
||||||
Loading…
Reference in a new issue