From 503e47bea764a26f63b47b6f65e48a942a1314b8 Mon Sep 17 00:00:00 2001
From: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Date: Tue, 11 Jun 2013 18:38:21 +0200
Subject: apalis_t30: v4l2: adv7180 and max9526 integration

Integrate ADV7180 and MAX9526 video decoder support and prepare for
drivers as modules.

The following gstreamer pipeline shows a preview window:

gst-launch v4l2src ! deinterlace tff=1 method=4 ! nv_omx_videomixer !
nv_gl_eglimagesink
---
 arch/arm/configs/apalis_t30_defconfig  |  5 +++
 arch/arm/mach-tegra/board-apalis_t30.c | 75 +++++++++++++++++++++++++++++++++-
 2 files changed, 79 insertions(+), 1 deletion(-)

diff --git a/arch/arm/configs/apalis_t30_defconfig b/arch/arm/configs/apalis_t30_defconfig
index 2989436bfddd..18e234b4e15f 100644
--- a/arch/arm/configs/apalis_t30_defconfig
+++ b/arch/arm/configs/apalis_t30_defconfig
@@ -241,10 +241,15 @@ CONFIG_REGULATOR_TPS62360=y
 CONFIG_REGULATOR_TPS6591X=y
 CONFIG_MEDIA_SUPPORT=y
 CONFIG_VIDEO_DEV=y
+CONFIG_VIDEO_V4L2=y
 # CONFIG_TEGRA_AVP is not set
 # CONFIG_TEGRA_MEDIASERVER is not set
 CONFIG_TEGRA_NVAVP=y
+# CONFIG_TEGRA_CAMERA is not set
 # CONFIG_TEGRA_DTV is not set
+CONFIG_SOC_CAMERA=y
+CONFIG_SOC_CAMERA_MAX9526=y
+CONFIG_VIDEO_TEGRA=y
 CONFIG_USB_VIDEO_CLASS=y
 # CONFIG_RADIO_ADAPTERS is not set
 # CONFIG_VGA_ARB is not set
diff --git a/arch/arm/mach-tegra/board-apalis_t30.c b/arch/arm/mach-tegra/board-apalis_t30.c
index d9504f8fca1b..7af2c8f9e90b 100644
--- a/arch/arm/mach-tegra/board-apalis_t30.c
+++ b/arch/arm/mach-tegra/board-apalis_t30.c
@@ -38,6 +38,9 @@
 #include <mach/usb_phy.h>
 #include <mach/w1.h>
 
+#include <media/soc_camera.h>
+#include <media/tegra_v4l2_camera.h>
+
 #include "board-apalis_t30.h"
 #include "board.h"
 #include "clock.h"
@@ -87,14 +90,74 @@ static struct platform_device apalis_t30_audio_sgtl5000_device = {
 	},
 };
 
-#ifdef CONFIG_TEGRA_CAMERA
 /* Camera */
+
+#ifdef CONFIG_TEGRA_CAMERA
 static struct platform_device tegra_camera = {
 	.name	= "tegra_camera",
 	.id	= -1,
 };
 #endif /* CONFIG_TEGRA_CAMERA */
 
+#if defined(CONFIG_VIDEO_TEGRA) || defined(CONFIG_VIDEO_TEGRA_MODULE)
+static void tegra_camera_disable(struct nvhost_device *ndev)
+{
+}
+
+static int tegra_camera_enable(struct nvhost_device *ndev)
+{
+	return 0;
+}
+
+static struct tegra_camera_platform_data tegra_camera_platform_data = {
+	.disable_camera	= tegra_camera_disable,
+	.enable_camera	= tegra_camera_enable,
+	.flip_h		= 0,
+	.flip_v		= 0,
+	.port		= TEGRA_CAMERA_PORT_VIP,
+};
+
+#if defined(CONFIG_SOC_CAMERA_MAX9526) || defined(CONFIG_SOC_CAMERA_MAX9526_MODULE)
+static struct i2c_board_info camera_i2c_max9526 = {
+	I2C_BOARD_INFO("max9526", 0x21),
+};
+
+static struct soc_camera_link iclink_max9526 = {
+	.board_info	= &camera_i2c_max9526,
+	.bus_id		= -1, /* This must match the .id of tegra_vi01_device */
+	.i2c_adapter_id	= 2,
+};
+
+static struct platform_device soc_camera_max9526 = {
+	.name	= "soc-camera-pdrv",
+	.id	= 0,
+	.dev	= {
+		.platform_data = &iclink_max9526,
+	},
+};
+#endif /* CONFIG_SOC_CAMERA_MAX9526 | CONFIG_SOC_CAMERA_MAX9526_MODULE */
+
+#if defined(CONFIG_VIDEO_ADV7180) || defined(CONFIG_VIDEO_ADV7180_MODULE)
+static struct i2c_board_info camera_i2c_adv7180 = {
+        I2C_BOARD_INFO("adv7180", 0x21),
+};
+
+static struct soc_camera_link iclink_adv7180 = {
+        .board_info     = &camera_i2c_adv7180,
+        .bus_id         = -1, /* This must match the .id of tegra_vi01_device */
+        .i2c_adapter_id = 2,
+};
+
+static struct platform_device soc_camera_adv7180 = {
+        .name   = "soc-camera-pdrv",
+        .id     = 1,
+        .dev    = {
+                .platform_data = &iclink_adv7180,
+        },
+};
+#endif /* CONFIG_VIDEO_ADV7180 | CONFIG_VIDEO_ADV7180_MODULE */
+#endif /* CONFIG_VIDEO_TEGRA | CONFIG_VIDEO_TEGRA_MODULE */
+
 /* CAN */
 
 #if defined(CONFIG_CAN_MCP251X) || defined(CONFIG_CAN_MCP251X_MODULE)
@@ -1205,6 +1268,16 @@ static void __init apalis_t30_init(void)
 	apalis_t30_emc_init();
 	apalis_t30_register_spidev();
 
+#if defined(CONFIG_VIDEO_TEGRA) || defined(CONFIG_VIDEO_TEGRA_MODULE)
+	t30_get_tegra_vi01_device()->dev.platform_data = &tegra_camera_platform_data;
+#if defined(CONFIG_SOC_CAMERA_MAX9526) || defined(CONFIG_SOC_CAMERA_MAX9526_MODULE)
+	platform_device_register(&soc_camera_max9526);
+#endif
+#if defined(CONFIG_VIDEO_ADV7180) || defined(CONFIG_VIDEO_ADV7180_MODULE)
+	platform_device_register(&soc_camera_adv7180);
+#endif
+#endif /* CONFIG_VIDEO_TEGRA | CONFIG_VIDEO_TEGRA_MODULE */
+
 	tegra_release_bootloader_fb();
 	apalis_t30_pci_init();
 #ifdef CONFIG_TEGRA_WDT_RECOVERY
-- 
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