return EFI_EXIT(EFI_SUCCESS);
}
-efi_status_t EFIAPI gop_blt(struct efi_gop *this, void *buffer,
+static inline struct efi_gop_pixel efi_vid16_to_blt_col(u16 vid)
+{
+ struct efi_gop_pixel blt = {
+ .reserved = 0,
+ };
+
+ blt.blue = (vid & 0x1f) << 3;
+ vid >>= 5;
+ blt.green = (vid & 0x3f) << 2;
+ vid >>= 6;
+ blt.red = (vid & 0x1f) << 3;
+ return blt;
+}
+
+static inline u16 efi_blt_col_to_vid16(struct efi_gop_pixel *blt)
+{
+ return (u16)(blt->red >> 3) << 11 |
+ (u16)(blt->green >> 2) << 5 |
+ (u16)(blt->blue >> 3);
+}
+
+efi_status_t EFIAPI gop_blt(struct efi_gop *this, struct efi_gop_pixel *buffer,
u32 operation, efi_uintn_t sx,
efi_uintn_t sy, efi_uintn_t dx,
efi_uintn_t dy, efi_uintn_t width,
efi_uintn_t height, efi_uintn_t delta)
{
struct efi_gop_obj *gopobj = container_of(this, struct efi_gop_obj, ops);
- int i, j, line_len16, line_len32;
- void *fb;
+ efi_uintn_t i, j, linelen;
+ u32 *fb32 = gopobj->fb;
+ u16 *fb16 = gopobj->fb;
+
+ if (delta)
+ linelen = delta;
+ else
+ linelen = width;
EFI_ENTRY("%p, %p, %u, %zu, %zu, %zu, %zu, %zu, %zu, %zu", this,
buffer, operation, sx, sy, dx, dy, width, height, delta);
- if (operation != EFI_BLT_BUFFER_TO_VIDEO)
+ /* Check source rectangle */
+ switch (operation) {
+ case EFI_BLT_VIDEO_FILL:
+ break;
+ case EFI_BLT_BUFFER_TO_VIDEO:
+ if (sx + width > linelen)
+ return EFI_EXIT(EFI_INVALID_PARAMETER);
+ break;
+ case EFI_BLT_VIDEO_TO_BLT_BUFFER:
+ case EFI_BLT_VIDEO_TO_VIDEO:
+ if (sx + width > gopobj->info.width ||
+ sy + height > gopobj->info.height)
+ return EFI_EXIT(EFI_INVALID_PARAMETER);
+ break;
+ default:
return EFI_EXIT(EFI_INVALID_PARAMETER);
+ }
- fb = gopobj->fb;
- line_len16 = gopobj->info.width * sizeof(u16);
- line_len32 = gopobj->info.width * sizeof(u32);
+ /* Check destination rectangle */
+ switch (operation) {
+ case EFI_BLT_VIDEO_FILL:
+ case EFI_BLT_BUFFER_TO_VIDEO:
+ case EFI_BLT_VIDEO_TO_VIDEO:
+ if (dx + width > gopobj->info.width ||
+ dy + height > gopobj->info.height)
+ return EFI_EXIT(EFI_INVALID_PARAMETER);
+ break;
+ case EFI_BLT_VIDEO_TO_BLT_BUFFER:
+ if (dx + width > linelen)
+ return EFI_EXIT(EFI_INVALID_PARAMETER);
+ break;
+ }
- /* Copy the contents line by line */
+ for (i = 0; i < height; i++) {
+ for (j = 0; j < width; j++) {
+ struct efi_gop_pixel pix;
+
+ /* Read source pixel */
+ switch (operation) {
+ case EFI_BLT_VIDEO_FILL:
+ pix = *buffer;
+ break;
+ case EFI_BLT_BUFFER_TO_VIDEO:
+ pix = buffer[linelen * (i + sy) + j + sx];
+ break;
+ case EFI_BLT_VIDEO_TO_BLT_BUFFER:
+ case EFI_BLT_VIDEO_TO_VIDEO:
+ switch (gopobj->bpix) {
+#ifdef CONFIG_DM_VIDEO
+ case VIDEO_BPP32:
+#else
+ case LCD_COLOR32:
+#endif
+ pix = *(struct efi_gop_pixel *)&fb32[
+ gopobj->info.width *
+ (i + sy) + j + sx];
+ break;
+#ifdef CONFIG_DM_VIDEO
+ case VIDEO_BPP16:
+#else
+ case LCD_COLOR16:
+#endif
+ pix = efi_vid16_to_blt_col(fb16[
+ gopobj->info.width *
+ (i + sy) + j + sx]);
+ break;
+ default:
+ return EFI_EXIT(EFI_UNSUPPORTED);
+ }
+ break;
+ }
- switch (gopobj->bpix) {
+ /* Write destination pixel */
+ switch (operation) {
+ case EFI_BLT_VIDEO_TO_BLT_BUFFER:
+ buffer[linelen * (i + dy) + j + dx] = pix;
+ break;
+ case EFI_BLT_BUFFER_TO_VIDEO:
+ case EFI_BLT_VIDEO_FILL:
+ case EFI_BLT_VIDEO_TO_VIDEO:
+ switch (gopobj->bpix) {
#ifdef CONFIG_DM_VIDEO
- case VIDEO_BPP32:
+ case VIDEO_BPP32:
#else
- case LCD_COLOR32:
+ case LCD_COLOR32:
#endif
- for (i = 0; i < height; i++) {
- u32 *dest = fb + ((i + dy) * line_len32) +
- (dx * sizeof(u32));
- u32 *src = buffer + ((i + sy) * line_len32) +
- (sx * sizeof(u32));
-
- /* Same color format, just memcpy */
- memcpy(dest, src, width * sizeof(u32));
- }
- break;
+ fb32[gopobj->info.width *
+ (i + dy) + j + dx] = *(u32 *)&pix;
+ break;
#ifdef CONFIG_DM_VIDEO
- case VIDEO_BPP16:
+ case VIDEO_BPP16:
#else
- case LCD_COLOR16:
+ case LCD_COLOR16:
#endif
- for (i = 0; i < height; i++) {
- u16 *dest = fb + ((i + dy) * line_len16) +
- (dx * sizeof(u16));
- u32 *src = buffer + ((i + sy) * line_len32) +
- (sx * sizeof(u32));
-
- /* Convert from rgb888 to rgb565 */
- for (j = 0; j < width; j++) {
- u32 rgb888 = src[j];
- dest[j] = ((((rgb888 >> (16 + 3)) & 0x1f) << 11) |
- (((rgb888 >> (8 + 2)) & 0x3f) << 5) |
- (((rgb888 >> (0 + 3)) & 0x1f) << 0));
+ fb16[gopobj->info.width *
+ (i + dy) + j + dx] =
+ efi_blt_col_to_vid16(&pix);
+ break;
+ default:
+ return EFI_EXIT(EFI_UNSUPPORTED);
+ }
+ break;
}
}
- break;
}
#ifdef CONFIG_DM_VIDEO
return EFI_EXIT(EFI_SUCCESS);
}
-/* This gets called from do_bootefi_exec(). */
-int efi_gop_register(void)
+/*
+ * Install graphical output protocol.
+ *
+ * If no supported video device exists this is not considered as an
+ * error.
+ */
+efi_status_t efi_gop_register(void)
{
struct efi_gop_obj *gopobj;
u32 bpix, col, row;
#ifdef CONFIG_DM_VIDEO
struct udevice *vdev;
+ struct video_priv *priv;
/* We only support a single video output device for now */
- if (uclass_first_device(UCLASS_VIDEO, &vdev) || !vdev)
- return -1;
+ if (uclass_first_device(UCLASS_VIDEO, &vdev) || !vdev) {
+ debug("WARNING: No video device\n");
+ return EFI_SUCCESS;
+ }
- struct video_priv *priv = dev_get_uclass_priv(vdev);
+ priv = dev_get_uclass_priv(vdev);
bpix = priv->bpix;
col = video_get_xsize(vdev);
row = video_get_ysize(vdev);
break;
default:
/* So far, we only work in 16 or 32 bit mode */
- return -1;
+ debug("WARNING: Unsupported video mode\n");
+ return EFI_SUCCESS;
}
gopobj = calloc(1, sizeof(*gopobj));
if (!gopobj) {
printf("ERROR: Out of memory\n");
- return 1;
+ return EFI_OUT_OF_RESOURCES;
}
/* Hook up to the device list */
ret = efi_add_protocol(gopobj->parent.handle, &efi_gop_guid,
&gopobj->ops);
if (ret != EFI_SUCCESS) {
- printf("ERROR: Out of memory\n");
- return 1;
+ printf("ERROR: Failure adding gop protocol\n");
+ return ret;
}
gopobj->ops.query_mode = gop_query_mode;
gopobj->ops.set_mode = gop_set_mode;
gopobj->mode.info_size = sizeof(gopobj->info);
#ifdef CONFIG_DM_VIDEO
- if (bpix == VIDEO_BPP32) {
+ if (bpix == VIDEO_BPP32)
#else
- if (bpix == LCD_COLOR32) {
+ if (bpix == LCD_COLOR32)
#endif
+ {
/* With 32bit color space we can directly expose the fb */
gopobj->mode.fb_base = fb_base;
gopobj->mode.fb_size = fb_size;
gopobj->bpix = bpix;
gopobj->fb = fb;
- return 0;
+ return EFI_SUCCESS;
}
projects / u-boot / blobdiff