1 /* 2 * Copyright (c) 2013 Google, Inc 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <dm.h> 9 #include <fdtdec.h> 10 #include <video.h> 11 #include <asm/sdl.h> 12 #include <asm/u-boot-sandbox.h> 13 #include <dm/test.h> 14 15 DECLARE_GLOBAL_DATA_PTR; 16 17 enum { 18 /* Default LCD size we support */ 19 LCD_MAX_WIDTH = 1366, 20 LCD_MAX_HEIGHT = 768, 21 }; 22 23 static int sandbox_sdl_probe(struct udevice *dev) 24 { 25 struct sandbox_sdl_plat *plat = dev_get_platdata(dev); 26 struct video_priv *uc_priv = dev_get_uclass_priv(dev); 27 int ret; 28 29 ret = sandbox_sdl_init_display(plat->xres, plat->yres, plat->bpix); 30 if (ret) { 31 puts("LCD init failed\n"); 32 return ret; 33 } 34 uc_priv->xsize = plat->xres; 35 uc_priv->ysize = plat->yres; 36 uc_priv->bpix = plat->bpix; 37 uc_priv->rot = plat->rot; 38 39 return 0; 40 } 41 42 static int sandbox_sdl_bind(struct udevice *dev) 43 { 44 struct video_uc_platdata *uc_plat = dev_get_uclass_platdata(dev); 45 struct sandbox_sdl_plat *plat = dev_get_platdata(dev); 46 const void *blob = gd->fdt_blob; 47 int node = dev->of_offset; 48 int ret = 0; 49 50 plat->xres = fdtdec_get_int(blob, node, "xres", LCD_MAX_WIDTH); 51 plat->yres = fdtdec_get_int(blob, node, "yres", LCD_MAX_HEIGHT); 52 plat->bpix = VIDEO_BPP16; 53 uc_plat->size = plat->xres * plat->yres * (1 << plat->bpix) / 8; 54 debug("%s: Frame buffer size %x\n", __func__, uc_plat->size); 55 56 return ret; 57 } 58 59 static const struct udevice_id sandbox_sdl_ids[] = { 60 { .compatible = "sandbox,lcd-sdl" }, 61 { } 62 }; 63 64 U_BOOT_DRIVER(sdl_sandbox) = { 65 .name = "sdl_sandbox", 66 .id = UCLASS_VIDEO, 67 .of_match = sandbox_sdl_ids, 68 .bind = sandbox_sdl_bind, 69 .probe = sandbox_sdl_probe, 70 .platdata_auto_alloc_size = sizeof(struct sandbox_sdl_plat), 71 }; 72