commit e38a869b4271d93a213c5d71c65c19c1e63c7af1
author Jimmy Zhang <jimmzhang@nvidia.com> Mon Jan 05 10:36:42 2015 -0800
committer ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> Tue Jan 06 02:33:06 2015 +0000
tree 6f3fd8e893b24605b830f90408b650155647d175
parent 5cb70107607129b2286af4a99c48930df834d92f

rush: Enable DRIVER_VIDEO_TEGRA132

Call common display supporting functions to enable display.

BUG=chrome-os-partner:34336
BRANCH=none
TEST=build ryu and rush

Change-Id: If5bf56cf07a4381c6dbc6bf61a3be3d8bf83ec92
Signed-off-by: Jimmy Zhang <jimmzhang@nvidia.com>
Reviewed-on: https://chromium-review.googlesource.com/238381
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

board/rush/defconfig

diff --git a/board/rush/defconfig b/board/rush/defconfig
index f4cf486..d38fe6b 100644
--- a/board/rush/defconfig
+++ b/board/rush/defconfig
@@ -42,3 +42,4 @@
 CONFIG_DRIVER_STORAGE_MMC=y
 CONFIG_DRIVER_STORAGE_MMC_TEGRA=y
 CONFIG_DRIVER_TPM_SLB9635_I2C=y
+CONFIG_DRIVER_VIDEO_TEGRA132=y

src/board/rush/board.c

diff --git a/src/board/rush/board.c b/src/board/rush/board.c
index 406c74a..5790756 100644
--- a/src/board/rush/board.c
+++ b/src/board/rush/board.c
@@ -29,6 +29,7 @@
 #include "drivers/bus/spi/tegra.h"
 #include "drivers/bus/i2c/tegra.h"
 #include "drivers/bus/usb/usb.h"
+#include "drivers/gpio/gpio.h"
 #include "drivers/gpio/sysinfo.h"
 #include "drivers/gpio/tegra.h"
 #include "drivers/dma/tegra_apb.h"
@@ -42,6 +43,8 @@
 #include "drivers/sound/i2s.h"
 #include "drivers/sound/max98090.h"
 #include "drivers/sound/tegra_ahub.h"
+#include "drivers/video/display.h"
+#include "drivers/video/tegra132.h"
 
 enum {
 	BOARD_ID_PROTO_0 = 0x0A,
@@ -203,3 +206,35 @@
 }
 
 INIT_FUNC(board_setup);
+
+/* Turn on or turn off the backlight */
+static int rush_backlight_update(uint8_t enable)
+{
+	TegraGpio *backlight_vdd_enable = new_tegra_gpio_output(GPIO(P, 2));
+	TegraGpio *backlight_enable = new_tegra_gpio_output(GPIO(H, 2));
+
+	backlight_vdd_enable->ops.set(&backlight_vdd_enable->ops, enable);
+	mdelay(10);
+	backlight_enable->ops.set(&backlight_enable->ops, enable);
+
+	return 0;
+}
+
+static DisplayOps rush_display_ops = {
+	.init = &tegra132_display_init,
+	.backlight_update = &rush_backlight_update,
+	.stop = &tegra132_display_stop,
+};
+
+static int display_setup(void)
+{
+	if (lib_sysinfo.framebuffer == NULL ||
+		lib_sysinfo.framebuffer->physical_address == 0)
+		return 0;
+
+	display_set_ops(&rush_display_ops);
+
+	return 0;
+}
+
+INIT_FUNC(display_setup);