* 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
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <config.h>
#include <asm/arch/mipi_dsim.h>
#include <asm/arch/dp_info.h>
#include <asm/arch/system.h>
+#include <asm/gpio.h>
#include <asm-generic/errno.h>
#include "exynos_fb.h"
DECLARE_GLOBAL_DATA_PTR;
-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;
-/*
- * board_init_f(arch/arm/lib/board.c) calls lcd_setmem() which needs
- * panel_info.vl_col, panel_info.vl_row and panel_info.vl_bpix to reserve
- * FB memory at a very early stage, i.e even before exynos_fimd_parse_dt()
- * is called. So, we are forced to statically assign it.
- */
-#ifdef CONFIG_OF_CONTROL
+#if CONFIG_IS_ENABLED(OF_CONTROL)
vidinfo_t panel_info = {
- .vl_col = LCD_XRES,
- .vl_row = LCD_YRES,
- .vl_bpix = LCD_COLOR16,
+ /*
+ * Insert a value here so that we don't end up in the BSS
+ * Reference: drivers/video/tegra.c
+ */
+ .vl_col = -1,
};
#endif
+ushort *configuration_get_cmap(void)
+{
+#if defined(CONFIG_LCD_LOGO)
+ return bmp_logo_palette;
+#else
+ return NULL;
+#endif
+}
+
static void exynos_lcd_init_mem(void *lcdbase, vidinfo_t *vid)
{
unsigned long palette_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,
+ exynos_fimd_lcd_init_mem((unsigned long)lcdbase,
(unsigned long)fb_size, palette_size);
}
lcd_set_flush_dcache(1);
}
-#ifdef CONFIG_CMD_BMP
-static void draw_logo(void)
+__weak void exynos_cfg_lcd_gpio(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
-void __exynos_cfg_lcd_gpio(void)
+__weak void exynos_backlight_on(unsigned int onoff)
{
}
-void exynos_cfg_lcd_gpio(void)
- __attribute__((weak, alias("__exynos_cfg_lcd_gpio")));
-void __exynos_backlight_on(unsigned int onoff)
+__weak void exynos_reset_lcd(void)
{
}
-void exynos_backlight_on(unsigned int onoff)
- __attribute__((weak, alias("__exynos_cfg_lcd_gpio")));
-void __exynos_reset_lcd(void)
+__weak void exynos_lcd_power_on(void)
{
}
-void exynos_reset_lcd(void)
- __attribute__((weak, alias("__exynos_reset_lcd")));
-void __exynos_lcd_power_on(void)
+__weak void exynos_cfg_ldo(void)
{
}
-void exynos_lcd_power_on(void)
- __attribute__((weak, alias("__exynos_lcd_power_on")));
-void __exynos_cfg_ldo(void)
+__weak void exynos_enable_ldo(unsigned int onoff)
{
}
-void exynos_cfg_ldo(void)
- __attribute__((weak, alias("__exynos_cfg_ldo")));
-void __exynos_enable_ldo(unsigned int onoff)
+__weak void exynos_backlight_reset(void)
{
}
-void exynos_enable_ldo(unsigned int onoff)
- __attribute__((weak, alias("__exynos_enable_ldo")));
-void __exynos_backlight_reset(void)
+__weak int exynos_lcd_misc_init(vidinfo_t *vid)
{
+ return 0;
}
-void exynos_backlight_reset(void)
- __attribute__((weak, alias("__exynos_backlight_reset")));
static void lcd_panel_on(vidinfo_t *vid)
{
+ struct gpio_desc pwm_out_gpio;
+ struct gpio_desc bl_en_gpio;
+ unsigned int node;
+
udelay(vid->init_delay);
exynos_backlight_reset();
exynos_backlight_on(1);
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+ node = fdtdec_next_compatible(gd->fdt_blob, 0,
+ COMPAT_SAMSUNG_EXYNOS_FIMD);
+ if (node <= 0) {
+ debug("FIMD: Can't get device node for FIMD\n");
+ return;
+ }
+ gpio_request_by_name_nodev(gd->fdt_blob, node, "samsung,pwm-out-gpio",
+ 0, &pwm_out_gpio,
+ GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE);
+
+ gpio_request_by_name_nodev(gd->fdt_blob, node, "samsung,bl-en-gpio", 0,
+ &bl_en_gpio,
+ GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE);
+
+#endif
exynos_cfg_ldo();
exynos_enable_ldo(1);
exynos_mipi_dsi_init();
}
-#ifdef CONFIG_OF_CONTROL
-int exynos_fimd_parse_dt(const void *blob)
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+int exynos_lcd_early_init(const void *blob)
{
unsigned int node;
node = fdtdec_next_compatible(blob, 0, COMPAT_SAMSUNG_EXYNOS_FIMD);
set_system_display_ctrl();
set_lcd_clk();
-#ifdef CONFIG_OF_CONTROL
- if (exynos_fimd_parse_dt(gd->fdt_blob))
- debug("Can't get proper panel info\n");
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+#ifdef CONFIG_EXYNOS_MIPI_DSIM
+ exynos_init_dsim_platform_data(&panel_info);
#endif
+ exynos_lcd_misc_init(&panel_info);
+#else
/* initialize parameters which is specific to panel. */
init_panel_info(&panel_info);
+#endif
panel_width = panel_info.vl_width;
panel_height = panel_info.vl_height;
void lcd_enable(void)
{
if (panel_info.logo_on) {
- memset(lcd_base, 0, panel_width * panel_height *
+ memset((void *) gd->fb_base, 0, panel_width * panel_height *
(NBITS(panel_info.vl_bpix) >> 3));
-#ifdef CONFIG_CMD_BMP
- draw_logo();
-#endif
}
lcd_panel_on(&panel_info);