From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- qemu/roms/u-boot/drivers/video/sandbox_sdl.c | 79 ++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 qemu/roms/u-boot/drivers/video/sandbox_sdl.c (limited to 'qemu/roms/u-boot/drivers/video/sandbox_sdl.c') diff --git a/qemu/roms/u-boot/drivers/video/sandbox_sdl.c b/qemu/roms/u-boot/drivers/video/sandbox_sdl.c new file mode 100644 index 000000000..ba4578e9d --- /dev/null +++ b/qemu/roms/u-boot/drivers/video/sandbox_sdl.c @@ -0,0 +1,79 @@ +/* + * Copyright (c) 2013 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +enum { + /* Maximum LCD size we support */ + LCD_MAX_WIDTH = 1366, + LCD_MAX_HEIGHT = 768, + LCD_MAX_LOG2_BPP = 4, /* 2^4 = 16 bpp */ +}; + +vidinfo_t panel_info; + +void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue) +{ +} + +void lcd_ctrl_init(void *lcdbase) +{ + /* + * Allocate memory to keep BMP color conversion map. This is required + * for 8 bit BMPs only (hence 256 colors). If malloc fails - keep + * going, it is not even clear if displyaing the bitmap will be + * required on the way up. + */ + panel_info.cmap = malloc(256 * NBITS(panel_info.vl_bpix) / 8); +} + +void lcd_enable(void) +{ + if (sandbox_sdl_init_display(panel_info.vl_col, panel_info.vl_row, + panel_info.vl_bpix)) + puts("LCD init failed\n"); +} + +int sandbox_lcd_sdl_early_init(void) +{ + const void *blob = gd->fdt_blob; + int xres = LCD_MAX_WIDTH, yres = LCD_MAX_HEIGHT; + int node; + int ret = 0; + + /* + * The code in common/lcd.c does not cope with not being able to + * set up a frame buffer. It will just happily keep writing to + * invalid memory. So here we make sure that at least some buffer + * is available even if it actually won't be displayed. + */ + node = fdtdec_next_compatible(blob, 0, COMPAT_SANDBOX_LCD_SDL); + if (node >= 0) { + xres = fdtdec_get_int(blob, node, "xres", LCD_MAX_WIDTH); + yres = fdtdec_get_int(blob, node, "yres", LCD_MAX_HEIGHT); + if (xres < 0 || xres > LCD_MAX_WIDTH) { + xres = LCD_MAX_WIDTH; + ret = -EINVAL; + } + if (yres < 0 || yres > LCD_MAX_HEIGHT) { + yres = LCD_MAX_HEIGHT; + ret = -EINVAL; + } + } + + panel_info.vl_col = xres; + panel_info.vl_row = yres; + panel_info.vl_bpix = LCD_COLOR16; + + return ret; +} -- cgit