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- /*
- * Copyright (C) 2012 Samsung Electronics
- *
- * Author: InKi Dae <inki.dae@samsung.com>
- * Author: Donghwa Lee <dh09.lee@samsung.com>
- *
- * 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., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
- #include <config.h>
- #include <common.h>
- #include <lcd.h>
- #include <asm/io.h>
- #include <asm/arch/cpu.h>
- #include <asm/arch/clock.h>
- #include <asm/arch/clk.h>
- #include <asm/arch/mipi_dsim.h>
- #include <asm/arch/dp_info.h>
- #include <asm/arch/system.h>
- #include "exynos_fb.h"
- int lcd_line_length;
- int lcd_color_fg;
- int lcd_color_bg;
- void *lcd_base;
- void *lcd_console_address;
- short console_col;
- short console_row;
- static unsigned int panel_width, panel_height;
- static void exynos_lcd_init_mem(void *lcdbase, vidinfo_t *vid)
- {
- unsigned long palette_size;
- unsigned int fb_size;
- fb_size = vid->vl_row * vid->vl_col * (NBITS(vid->vl_bpix) >> 3);
- lcd_base = lcdbase;
- palette_size = NBITS(vid->vl_bpix) == 8 ? 256 : 16;
- exynos_fimd_lcd_init_mem((unsigned long)lcd_base,
- (unsigned long)fb_size, palette_size);
- }
- static void exynos_lcd_init(vidinfo_t *vid)
- {
- exynos_fimd_lcd_init(vid);
- /* Enable flushing after LCD writes if requested */
- lcd_set_flush_dcache(1);
- }
- #ifdef CONFIG_CMD_BMP
- static void draw_logo(void)
- {
- int x, y;
- ulong addr;
- if (panel_width >= panel_info.logo_width) {
- x = ((panel_width - panel_info.logo_width) >> 1);
- } else {
- x = 0;
- printf("Warning: image width is bigger than display width\n");
- }
- if (panel_height >= panel_info.logo_height) {
- y = ((panel_height - panel_info.logo_height) >> 1) - 4;
- } else {
- y = 0;
- printf("Warning: image height is bigger than display height\n");
- }
- addr = panel_info.logo_addr;
- bmp_display(addr, x, y);
- }
- #endif
- static void lcd_panel_on(vidinfo_t *vid)
- {
- udelay(vid->init_delay);
- if (vid->backlight_reset)
- vid->backlight_reset();
- if (vid->cfg_gpio)
- vid->cfg_gpio();
- if (vid->lcd_power_on)
- vid->lcd_power_on();
- udelay(vid->power_on_delay);
- if (vid->dp_enabled)
- exynos_init_dp();
- if (vid->reset_lcd) {
- vid->reset_lcd();
- udelay(vid->reset_delay);
- }
- if (vid->backlight_on)
- vid->backlight_on(1);
- if (vid->cfg_ldo)
- vid->cfg_ldo();
- if (vid->enable_ldo)
- vid->enable_ldo(1);
- if (vid->mipi_enabled)
- exynos_mipi_dsi_init();
- }
- void lcd_ctrl_init(void *lcdbase)
- {
- set_system_display_ctrl();
- set_lcd_clk();
- /* initialize parameters which is specific to panel. */
- init_panel_info(&panel_info);
- panel_width = panel_info.vl_width;
- panel_height = panel_info.vl_height;
- exynos_lcd_init_mem(lcdbase, &panel_info);
- exynos_lcd_init(&panel_info);
- }
- void lcd_enable(void)
- {
- if (panel_info.logo_on) {
- memset(lcd_base, 0, panel_width * panel_height *
- (NBITS(panel_info.vl_bpix) >> 3));
- #ifdef CONFIG_CMD_BMP
- draw_logo();
- #endif
- }
- lcd_panel_on(&panel_info);
- }
- /* dummy function */
- void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue)
- {
- return;
- }
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