efi_loader: Add DM_VIDEO support
Some systems are starting to shift to support DM_VIDEO which exposes
the frame buffer through a slightly different interface.
This is a poor man's effort to support the dm video interface instead
of the lcd one. We still only support a single display device.
Signed-off-by: Alexander Graf <agraf@suse.de>
[trini: Remove fb_size / fb_base as they were not used]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/lib/efi_loader/efi_gop.c b/lib/efi_loader/efi_gop.c
index dc6e261..33a3d71 100644
--- a/lib/efi_loader/efi_gop.c
+++ b/lib/efi_loader/efi_gop.c
@@ -7,10 +7,12 @@
*/
#include <common.h>
+#include <dm.h>
#include <efi_loader.h>
#include <inttypes.h>
#include <lcd.h>
#include <malloc.h>
+#include <video.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -24,6 +26,8 @@
/* The only mode we support */
struct efi_gop_mode_info info;
struct efi_gop_mode mode;
+ /* Fields we only have acces to during init */
+ u32 bpix;
};
static efi_status_t EFIAPI gop_query_mode(struct efi_gop *this, u32 mode_number,
@@ -57,6 +61,7 @@
unsigned long dy, unsigned long width,
unsigned long height, unsigned long delta)
{
+ struct efi_gop_obj *gopobj = container_of(this, struct efi_gop_obj, ops);
int i, j, line_len16, line_len32;
void *fb;
@@ -67,13 +72,17 @@
return EFI_EXIT(EFI_INVALID_PARAMETER);
fb = (void*)gd->fb_base;
- line_len16 = panel_info.vl_col * sizeof(u16);
- line_len32 = panel_info.vl_col * sizeof(u32);
+ line_len16 = gopobj->info.width * sizeof(u16);
+ line_len32 = gopobj->info.width * sizeof(u32);
/* Copy the contents line by line */
- switch (panel_info.vl_bpix) {
+ switch (gopobj->bpix) {
+#ifdef CONFIG_DM_VIDEO
+ case VIDEO_BPP32:
+#else
case LCD_COLOR32:
+#endif
for (i = 0; i < height; i++) {
u32 *dest = fb + ((i + dy) * line_len32) +
(dx * sizeof(u32));
@@ -84,7 +93,11 @@
memcpy(dest, src, width * sizeof(u32));
}
break;
+#ifdef CONFIG_DM_VIDEO
+ case VIDEO_BPP16:
+#else
case LCD_COLOR16:
+#endif
for (i = 0; i < height; i++) {
u16 *dest = fb + ((i + dy) * line_len16) +
(dx * sizeof(u16));
@@ -102,7 +115,11 @@
break;
}
+#ifdef CONFIG_DM_VIDEO
+ video_sync_all();
+#else
lcd_sync();
+#endif
return EFI_EXIT(EFI_SUCCESS);
}
@@ -111,10 +128,34 @@
int efi_gop_register(void)
{
struct efi_gop_obj *gopobj;
+ u32 bpix, col, row;
- switch (panel_info.vl_bpix) {
+#ifdef CONFIG_DM_VIDEO
+ struct udevice *vdev;
+
+ /* We only support a single video output device for now */
+ if (uclass_first_device(UCLASS_VIDEO, &vdev))
+ return -1;
+
+ struct video_priv *priv = dev_get_uclass_priv(vdev);
+ bpix = priv->bpix;
+ col = video_get_xsize(vdev);
+ row = video_get_ysize(vdev);
+#else
+
+ bpix = panel_info.vl_bpix;
+ col = panel_info.vl_col;
+ row = panel_info.vl_row;
+#endif
+
+ switch (bpix) {
+#ifdef CONFIG_DM_VIDEO
+ case VIDEO_BPP16:
+ case VIDEO_BPP32:
+#else
case LCD_COLOR32:
case LCD_COLOR16:
+#endif
break;
default:
/* So far, we only work in 16 or 32 bit mode */
@@ -137,10 +178,12 @@
gopobj->mode.info_size = sizeof(gopobj->info);
gopobj->info.version = 0;
- gopobj->info.width = panel_info.vl_col;
- gopobj->info.height = panel_info.vl_row;
+ gopobj->info.width = col;
+ gopobj->info.height = row;
gopobj->info.pixel_format = EFI_GOT_RGBA8;
- gopobj->info.pixels_per_scanline = panel_info.vl_col;
+ gopobj->info.pixels_per_scanline = col;
+
+ gopobj->bpix = bpix;
/* Hook up to the device list */
list_add_tail(&gopobj->parent.link, &efi_obj_list);