X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fvideo%2Fexynos_fb.c;h=69edc3a3a4a382512167ae3660f49f953c419be5;hb=7fe0933c5898e5cce70407184fd458cf3ad9ee32;hp=183bca07c5899ca42190ece283a56e47bdc2ceac;hpb=61b59e2749451d86e73139a81f9f8995e2f4a932;p=u-boot diff --git a/drivers/video/exynos_fb.c b/drivers/video/exynos_fb.c index 183bca07c5..69edc3a3a4 100644 --- a/drivers/video/exynos_fb.c +++ b/drivers/video/exynos_fb.c @@ -4,25 +4,14 @@ * Author: InKi Dae * Author: Donghwa Lee * - * 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 #include #include +#include +#include #include #include #include @@ -30,20 +19,33 @@ #include #include #include +#include +#include #include "exynos_fb.h" -int lcd_line_length; -int lcd_color_fg; -int lcd_color_bg; +DECLARE_GLOBAL_DATA_PTR; -void *lcd_base; -void *lcd_console_address; +static unsigned int panel_width, panel_height; -short console_col; -short console_row; +#if CONFIG_IS_ENABLED(OF_CONTROL) +vidinfo_t panel_info = { + /* + * Insert a value here so that we don't end up in the BSS + * Reference: drivers/video/tegra.c + */ + .vl_col = -1, +}; +#endif -static unsigned int panel_width, panel_height; +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) { @@ -52,11 +54,9 @@ static void exynos_lcd_init_mem(void *lcdbase, vidinfo_t *vid) 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); } @@ -68,74 +68,242 @@ static void exynos_lcd_init(vidinfo_t *vid) lcd_set_flush_dcache(1); } -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"); - } +__weak void exynos_backlight_on(unsigned int onoff) +{ +} - 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"); - } +__weak void exynos_reset_lcd(void) +{ +} - addr = panel_info.logo_addr; -#ifdef CONFIG_CMD_BMP - bmp_display(addr, x, y); -#endif +__weak void exynos_lcd_power_on(void) +{ +} + +__weak void exynos_cfg_ldo(void) +{ +} + +__weak void exynos_enable_ldo(unsigned int onoff) +{ +} + +__weak void exynos_backlight_reset(void) +{ +} + +__weak int exynos_lcd_misc_init(vidinfo_t *vid) +{ + return 0; } 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); - if (vid->backlight_reset) - vid->backlight_reset(); + exynos_backlight_reset(); - if (vid->cfg_gpio) - vid->cfg_gpio(); + exynos_cfg_lcd_gpio(); - if (vid->lcd_power_on) - vid->lcd_power_on(); + exynos_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); + exynos_reset_lcd(); + + udelay(vid->reset_delay); + + 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); - if (vid->backlight_on) - vid->backlight_on(1); + gpio_request_by_name_nodev(gd->fdt_blob, node, "samsung,bl-en-gpio", 0, + &bl_en_gpio, + GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE); - if (vid->cfg_ldo) - vid->cfg_ldo(); +#endif + exynos_cfg_ldo(); - if (vid->enable_ldo) - vid->enable_ldo(1); + exynos_enable_ldo(1); if (vid->mipi_enabled) exynos_mipi_dsi_init(); } +#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); + 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(); +#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; @@ -148,9 +316,8 @@ void lcd_ctrl_init(void *lcdbase) 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)); - draw_logo(); } lcd_panel_on(&panel_info);