vboot: make VbExDisplayScreen call vboot_draw_screen
This change makes VbExDisplayScreen call vboot_draw_screen, which will
draw screens using cbgfx. screens.c will be populated in CL:303074.
BUG=none
BRANCH=tot
TEST=Tested on Samus
Change-Id: Ic98a3d8b2829a1cc3ac142eb9cb52c3d76fc78cd
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/303181
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
diff --git a/src/vboot/Makefile.inc b/src/vboot/Makefile.inc
index 2f47610..eedb081 100644
--- a/src/vboot/Makefile.inc
+++ b/src/vboot/Makefile.inc
@@ -21,6 +21,7 @@
depthcharge-$(CONFIG_FASTBOOT_MODE) += fastboot.c
depthcharge-y += boot_policy.c
depthcharge-y += firmware_id.c
+depthcharge-y += screens.c
# Where "main" lives.
readonly-y += ro_main.c
diff --git a/src/vboot/callbacks/display.c b/src/vboot/callbacks/display.c
index efa0691..536c430 100644
--- a/src/vboot/callbacks/display.c
+++ b/src/vboot/callbacks/display.c
@@ -31,15 +31,14 @@
#include "drivers/video/display.h"
#include "vboot/firmware_id.h"
#include "vboot/util/commonparams.h"
+#include "vboot/screens.h"
VbError_t VbExDisplayInit(uint32_t *width, uint32_t *height)
{
- if (display_init())
+ const struct rgb_color rgb = { .red = 0, .green = 0, .blue = 0 };
+ if (clear_screen(&rgb))
return VBERROR_UNKNOWN;
- video_init();
- video_console_cursor_enable(0);
-
if (gbb_copy_in_bmp_block())
return VBERROR_UNKNOWN;
@@ -49,6 +48,7 @@
} else {
*width = *height = 0;
}
+
return VBERROR_SUCCESS;
}
@@ -88,6 +88,9 @@
{
const char *msg = NULL;
+ if (vboot_draw_screen(screen_type) == CBGFX_SUCCESS)
+ return VBERROR_SUCCESS;
+
/*
* Show the debug messages for development. It is a backup method
* when GBB does not contain a full set of bitmaps.
diff --git a/src/vboot/screens.c b/src/vboot/screens.c
new file mode 100644
index 0000000..c3c17fd
--- /dev/null
+++ b/src/vboot/screens.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright 2015 Google Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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
+ */
+
+#include <libpayload.h>
+#include <vboot_api.h>
+#include <vboot/screens.h>
+#include "drivers/video/display.h"
+
+static char initialized = 0;
+
+static VbError_t draw_screen(uint32_t screen_type, uint32_t locale)
+{
+ VbError_t rv = VBERROR_SUCCESS;
+
+ switch (screen_type) {
+ case VB_SCREEN_BLANK:
+ case VB_SCREEN_DEVELOPER_WARNING:
+ case VB_SCREEN_RECOVERY_REMOVE:
+ case VB_SCREEN_RECOVERY_NO_GOOD:
+ case VB_SCREEN_RECOVERY_INSERT:
+ case VB_SCREEN_RECOVERY_TO_DEV:
+ case VB_SCREEN_DEVELOPER_TO_NORM:
+ case VB_SCREEN_WAIT:
+ case VB_SCREEN_TO_NORM_CONFIRMED:
+ default:
+ printf("Not a valid screen type: 0x%x\n", screen_type);
+ return VBERROR_INVALID_SCREEN_INDEX;
+ }
+
+ return rv;
+}
+
+static VbError_t vboot_init_display(void)
+{
+ if (display_init())
+ return VBERROR_UNKNOWN;
+
+ /* initialize video console */
+ video_init();
+ video_console_clear();
+ video_console_cursor_enable(0);
+ initialized = 1;
+
+ return VBERROR_SUCCESS;
+}
+
+int vboot_draw_screen(uint32_t screen)
+{
+ static uint32_t current_screen = VB_SCREEN_BLANK;
+ static uint32_t current_locale = 0;
+ /* TODO: Read locale from nvram */
+ uint32_t locale = 0;
+ VbError_t rv;
+
+ printf("%s: screen=0x%x locale=%d\n", __func__, screen, locale);
+
+ if (!initialized) {
+ if (vboot_init_display())
+ return VBERROR_UNKNOWN;
+ }
+
+ /* If requested screen is the same as the current one, we're done. */
+ if (screen == current_screen && locale == current_locale)
+ return VBERROR_SUCCESS;
+
+ /* If the screen is blank, turn off the backlight; else turn it on. */
+ backlight_update(VB_SCREEN_BLANK == screen ? 0 : 1);
+
+ /* TODO: draw only locale dependent part if current_screen == screen */
+ rv = draw_screen(screen, locale);
+ if (rv)
+ return rv;
+
+ current_screen = screen;
+ current_locale = locale;
+
+ return VBERROR_SUCCESS;
+}
diff --git a/src/vboot/screens.h b/src/vboot/screens.h
new file mode 100644
index 0000000..7f64f2d
--- /dev/null
+++ b/src/vboot/screens.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2015 Google Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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
+ */
+
+#ifndef __VBOOT_SCREENS_H__
+#define __VBOOT_SCREENS_H__
+
+#include <stdint.h>
+
+int vboot_draw_screen(uint32_t screen);
+
+#endif /* __VBOOT_SCREENS_H__ */
