diff options
Diffstat (limited to 'qemu/roms/u-boot/drivers/video/exynos_fb.c')
-rw-r--r-- | qemu/roms/u-boot/drivers/video/exynos_fb.c | 322 |
1 files changed, 0 insertions, 322 deletions
diff --git a/qemu/roms/u-boot/drivers/video/exynos_fb.c b/qemu/roms/u-boot/drivers/video/exynos_fb.c deleted file mode 100644 index e1e0d802f..000000000 --- a/qemu/roms/u-boot/drivers/video/exynos_fb.c +++ /dev/null @@ -1,322 +0,0 @@ -/* - * Copyright (C) 2012 Samsung Electronics - * - * Author: InKi Dae <inki.dae@samsung.com> - * Author: Donghwa Lee <dh09.lee@samsung.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <config.h> -#include <common.h> -#include <lcd.h> -#include <fdtdec.h> -#include <libfdt.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 <asm-generic/errno.h> - -#include "exynos_fb.h" - -DECLARE_GLOBAL_DATA_PTR; - -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 -vidinfo_t panel_info = { - .vl_col = LCD_XRES, - .vl_row = LCD_YRES, - .vl_bpix = LCD_COLOR16, -}; -#endif - -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); - - palette_size = NBITS(vid->vl_bpix) == 8 ? 256 : 16; - - exynos_fimd_lcd_init_mem((unsigned long)lcdbase, - (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); -} - -void __exynos_cfg_lcd_gpio(void) -{ -} -void exynos_cfg_lcd_gpio(void) - __attribute__((weak, alias("__exynos_cfg_lcd_gpio"))); - -void __exynos_backlight_on(unsigned int onoff) -{ -} -void exynos_backlight_on(unsigned int onoff) - __attribute__((weak, alias("__exynos_cfg_lcd_gpio"))); - -void __exynos_reset_lcd(void) -{ -} -void exynos_reset_lcd(void) - __attribute__((weak, alias("__exynos_reset_lcd"))); - -void __exynos_lcd_power_on(void) -{ -} -void exynos_lcd_power_on(void) - __attribute__((weak, alias("__exynos_lcd_power_on"))); - -void __exynos_cfg_ldo(void) -{ -} -void exynos_cfg_ldo(void) - __attribute__((weak, alias("__exynos_cfg_ldo"))); - -void __exynos_enable_ldo(unsigned int onoff) -{ -} -void exynos_enable_ldo(unsigned int onoff) - __attribute__((weak, alias("__exynos_enable_ldo"))); - -void __exynos_backlight_reset(void) -{ -} -void exynos_backlight_reset(void) - __attribute__((weak, alias("__exynos_backlight_reset"))); - -int __exynos_lcd_misc_init(vidinfo_t *vid) -{ - return 0; -} -int exynos_lcd_misc_init(vidinfo_t *vid) - __attribute__((weak, alias("__exynos_lcd_misc_init"))); - -static void lcd_panel_on(vidinfo_t *vid) -{ - udelay(vid->init_delay); - - exynos_backlight_reset(); - - exynos_cfg_lcd_gpio(); - - exynos_lcd_power_on(); - - udelay(vid->power_on_delay); - - if (vid->dp_enabled) - exynos_init_dp(); - - exynos_reset_lcd(); - - udelay(vid->reset_delay); - - exynos_backlight_on(1); - - exynos_cfg_ldo(); - - exynos_enable_ldo(1); - - if (vid->mipi_enabled) - exynos_mipi_dsi_init(); -} - -#ifdef CONFIG_OF_CONTROL -int exynos_fimd_parse_dt(const void *blob) -{ - unsigned int node; - node = fdtdec_next_compatible(blob, 0, COMPAT_SAMSUNG_EXYNOS_FIMD); - if (node <= 0) { - debug("exynos_fb: Can't get device node for fimd\n"); - return -ENODEV; - } - - panel_info.vl_col = fdtdec_get_int(blob, node, "samsung,vl-col", 0); - if (panel_info.vl_col == 0) { - debug("Can't get XRES\n"); - return -ENXIO; - } - - panel_info.vl_row = fdtdec_get_int(blob, node, "samsung,vl-row", 0); - if (panel_info.vl_row == 0) { - debug("Can't get YRES\n"); - return -ENXIO; - } - - panel_info.vl_width = fdtdec_get_int(blob, node, - "samsung,vl-width", 0); - - panel_info.vl_height = fdtdec_get_int(blob, node, - "samsung,vl-height", 0); - - panel_info.vl_freq = fdtdec_get_int(blob, node, "samsung,vl-freq", 0); - if (panel_info.vl_freq == 0) { - debug("Can't get refresh rate\n"); - return -ENXIO; - } - - if (fdtdec_get_bool(blob, node, "samsung,vl-clkp")) - panel_info.vl_clkp = CONFIG_SYS_LOW; - - if (fdtdec_get_bool(blob, node, "samsung,vl-oep")) - panel_info.vl_oep = CONFIG_SYS_LOW; - - if (fdtdec_get_bool(blob, node, "samsung,vl-hsp")) - panel_info.vl_hsp = CONFIG_SYS_LOW; - - if (fdtdec_get_bool(blob, node, "samsung,vl-vsp")) - panel_info.vl_vsp = CONFIG_SYS_LOW; - - if (fdtdec_get_bool(blob, node, "samsung,vl-dp")) - panel_info.vl_dp = CONFIG_SYS_LOW; - - panel_info.vl_bpix = fdtdec_get_int(blob, node, "samsung,vl-bpix", 0); - if (panel_info.vl_bpix == 0) { - debug("Can't get bits per pixel\n"); - return -ENXIO; - } - - panel_info.vl_hspw = fdtdec_get_int(blob, node, "samsung,vl-hspw", 0); - if (panel_info.vl_hspw == 0) { - debug("Can't get hsync width\n"); - return -ENXIO; - } - - panel_info.vl_hfpd = fdtdec_get_int(blob, node, "samsung,vl-hfpd", 0); - if (panel_info.vl_hfpd == 0) { - debug("Can't get right margin\n"); - return -ENXIO; - } - - panel_info.vl_hbpd = (u_char)fdtdec_get_int(blob, node, - "samsung,vl-hbpd", 0); - if (panel_info.vl_hbpd == 0) { - debug("Can't get left margin\n"); - return -ENXIO; - } - - panel_info.vl_vspw = (u_char)fdtdec_get_int(blob, node, - "samsung,vl-vspw", 0); - if (panel_info.vl_vspw == 0) { - debug("Can't get vsync width\n"); - return -ENXIO; - } - - panel_info.vl_vfpd = fdtdec_get_int(blob, node, - "samsung,vl-vfpd", 0); - if (panel_info.vl_vfpd == 0) { - debug("Can't get lower margin\n"); - return -ENXIO; - } - - panel_info.vl_vbpd = fdtdec_get_int(blob, node, "samsung,vl-vbpd", 0); - if (panel_info.vl_vbpd == 0) { - debug("Can't get upper margin\n"); - return -ENXIO; - } - - panel_info.vl_cmd_allow_len = fdtdec_get_int(blob, node, - "samsung,vl-cmd-allow-len", 0); - - panel_info.win_id = fdtdec_get_int(blob, node, "samsung,winid", 0); - panel_info.init_delay = fdtdec_get_int(blob, node, - "samsung,init-delay", 0); - panel_info.power_on_delay = fdtdec_get_int(blob, node, - "samsung,power-on-delay", 0); - panel_info.reset_delay = fdtdec_get_int(blob, node, - "samsung,reset-delay", 0); - panel_info.interface_mode = fdtdec_get_int(blob, node, - "samsung,interface-mode", 0); - panel_info.mipi_enabled = fdtdec_get_int(blob, node, - "samsung,mipi-enabled", 0); - panel_info.dp_enabled = fdtdec_get_int(blob, node, - "samsung,dp-enabled", 0); - panel_info.cs_setup = fdtdec_get_int(blob, node, - "samsung,cs-setup", 0); - panel_info.wr_setup = fdtdec_get_int(blob, node, - "samsung,wr-setup", 0); - panel_info.wr_act = fdtdec_get_int(blob, node, "samsung,wr-act", 0); - panel_info.wr_hold = fdtdec_get_int(blob, node, "samsung,wr-hold", 0); - - panel_info.logo_on = fdtdec_get_int(blob, node, "samsung,logo-on", 0); - if (panel_info.logo_on) { - panel_info.logo_width = fdtdec_get_int(blob, node, - "samsung,logo-width", 0); - panel_info.logo_height = fdtdec_get_int(blob, node, - "samsung,logo-height", 0); - panel_info.logo_addr = fdtdec_get_int(blob, node, - "samsung,logo-addr", 0); - } - - panel_info.rgb_mode = fdtdec_get_int(blob, node, - "samsung,rgb-mode", 0); - panel_info.pclk_name = fdtdec_get_int(blob, node, - "samsung,pclk-name", 0); - panel_info.sclk_div = fdtdec_get_int(blob, node, - "samsung,sclk-div", 0); - panel_info.dual_lcd_enabled = fdtdec_get_int(blob, node, - "samsung,dual-lcd-enabled", 0); - - return 0; -} -#endif - -void lcd_ctrl_init(void *lcdbase) -{ - 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"); -#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; - - exynos_lcd_init_mem(lcdbase, &panel_info); - - exynos_lcd_init(&panel_info); -} - -void lcd_enable(void) -{ - if (panel_info.logo_on) { - memset((void *) gd->fb_base, 0, panel_width * panel_height * - (NBITS(panel_info.vl_bpix) >> 3)); - } - - lcd_panel_on(&panel_info); -} - -/* dummy function */ -void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue) -{ - return; -} |