From 4c6d24c23b21bc896236be0f9f4c9567e55653d4 Mon Sep 17 00:00:00 2001
From: ddl <ddl@rock-chips.com>
Date: Fri, 25 Nov 2011 15:33:52 +0800
Subject: [PATCH] camera: support obtain camera information(facing,orientation)

---
 arch/arm/mach-rk29/board-rk29-ddr3sdk.c       |  2 ++
 arch/arm/mach-rk29/include/mach/rk29_camera.h |  1 +
 drivers/media/video/rk29_camera.c             |  3 ++-
 drivers/media/video/rk29_camera_oneframe.c    | 14 +++++++++++---
 4 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-rk29/board-rk29-ddr3sdk.c b/arch/arm/mach-rk29/board-rk29-ddr3sdk.c
index cfb6a066dfe2..a1ee2b087fba 100755
--- a/arch/arm/mach-rk29/board-rk29-ddr3sdk.c
+++ b/arch/arm/mach-rk29/board-rk29-ddr3sdk.c
@@ -71,6 +71,7 @@
 #define CONFIG_SENSOR_0 RK29_CAM_SENSOR_OV5642                      /* back camera sensor */
 #define CONFIG_SENSOR_IIC_ADDR_0 	    0x78
 #define CONFIG_SENSOR_IIC_ADAPTER_ID_0    1
+#define CONFIG_SENSOR_ORIENTATION_0       0
 #define CONFIG_SENSOR_POWER_PIN_0         INVALID_GPIO
 #define CONFIG_SENSOR_RESET_PIN_0         INVALID_GPIO
 #define CONFIG_SENSOR_POWERDN_PIN_0       RK29_PIN6_PB7
@@ -83,6 +84,7 @@
 #define CONFIG_SENSOR_1 RK29_CAM_SENSOR_OV2659                      /* front camera sensor */
 #define CONFIG_SENSOR_IIC_ADDR_1 	    0x60
 #define CONFIG_SENSOR_IIC_ADAPTER_ID_1    1
+#define CONFIG_SENSOR_ORIENTATION_1       0
 #define CONFIG_SENSOR_POWER_PIN_1         INVALID_GPIO
 #define CONFIG_SENSOR_RESET_PIN_1         INVALID_GPIO
 #define CONFIG_SENSOR_POWERDN_PIN_1       RK29_PIN5_PD7
diff --git a/arch/arm/mach-rk29/include/mach/rk29_camera.h b/arch/arm/mach-rk29/include/mach/rk29_camera.h
index b921507ff684..855e2396fee4 100755
--- a/arch/arm/mach-rk29/include/mach/rk29_camera.h
+++ b/arch/arm/mach-rk29/include/mach/rk29_camera.h
@@ -160,6 +160,7 @@ struct rk29camera_gpio_res {
 	unsigned int gpio_flash;
     unsigned int gpio_flag;
 	unsigned int gpio_init;
+    unsigned int orientation;
     const char *dev_name;
 };
 
diff --git a/drivers/media/video/rk29_camera.c b/drivers/media/video/rk29_camera.c
index 106c2ecece07..160dad9947b6 100755
--- a/drivers/media/video/rk29_camera.c
+++ b/drivers/media/video/rk29_camera.c
@@ -97,6 +97,7 @@ static struct rk29camera_platform_data rk29_camera_platform_data = {
             .gpio_flash = CONFIG_SENSOR_FALSH_PIN_0,
             .gpio_flag = (CONFIG_SENSOR_POWERACTIVE_LEVEL_0|CONFIG_SENSOR_RESETACTIVE_LEVEL_0|CONFIG_SENSOR_POWERDNACTIVE_LEVEL_0|CONFIG_SENSOR_FLASHACTIVE_LEVEL_0),
             .gpio_init = 0,
+            .orientation = CONFIG_SENSOR_ORIENTATION_0,
             .dev_name = SENSOR_DEVICE_NAME_0,
         }, {
             .gpio_reset = CONFIG_SENSOR_RESET_PIN_1,
@@ -105,6 +106,7 @@ static struct rk29camera_platform_data rk29_camera_platform_data = {
             .gpio_flash = CONFIG_SENSOR_FALSH_PIN_1,
             .gpio_flag = (CONFIG_SENSOR_POWERACTIVE_LEVEL_1|CONFIG_SENSOR_RESETACTIVE_LEVEL_1|CONFIG_SENSOR_POWERDNACTIVE_LEVEL_1|CONFIG_SENSOR_FLASHACTIVE_LEVEL_1),
             .gpio_init = 0,
+            .orientation = CONFIG_SENSOR_ORIENTATION_1,
             .dev_name = SENSOR_DEVICE_NAME_1,
         }
     },
@@ -1432,7 +1434,6 @@ static int rk29_sensor_ioctrl(struct device *dev,enum rk29camera_ioctrl_cmd cmd,
 			}
 			break;
 		}
-
 		default:
 		{
 			printk("%s cmd(0x%x) is unknown!\n",__FUNCTION__, cmd);
diff --git a/drivers/media/video/rk29_camera_oneframe.c b/drivers/media/video/rk29_camera_oneframe.c
index f0b8b2b39b7b..14eddd0af8f7 100755
--- a/drivers/media/video/rk29_camera_oneframe.c
+++ b/drivers/media/video/rk29_camera_oneframe.c
@@ -48,7 +48,7 @@ module_param(debug, int, S_IRUGO|S_IWUSR);
 	printk(KERN_WARNING"rk29xx_camera: " fmt , ## arg); } while (0)
 
 #define RK29CAMERA_TR(format, ...) printk(KERN_ERR format, ## __VA_ARGS__)
-#define RK29CAMERA_DG(format, ...) dprintk(0, format, ## __VA_ARGS__)
+#define RK29CAMERA_DG(format, ...) dprintk(1, format, ## __VA_ARGS__)
 
 // VIP Reg Offset
 #define RK29_VIP_AHBR_CTRL                0x00
@@ -1528,8 +1528,16 @@ static unsigned int rk29_camera_poll(struct file *file, poll_table *pt)
 static int rk29_camera_querycap(struct soc_camera_host *ici,
                                 struct v4l2_capability *cap)
 {
-    /* cap->name is set by the firendly caller:-> */
-    strlcpy(cap->card, rk29_cam_driver_description, sizeof(cap->card));
+    struct rk29_camera_dev *pcdev = ici->priv;
+    char orientation[5];
+
+    strlcpy(cap->card, dev_name(pcdev->icd->pdev), sizeof(cap->card));    
+    if (strcmp(dev_name(pcdev->icd->pdev), pcdev->pdata->gpio_res[0].dev_name) == 0) {
+        sprintf(orientation,"-%d",pcdev->pdata->gpio_res[0].orientation);
+    } else {
+        sprintf(orientation,"-%d",pcdev->pdata->gpio_res[1].orientation);
+    }
+    strcat(cap->card,orientation); 
     cap->version = RK29_CAM_VERSION_CODE;
     cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING;
 
-- 
2.34.1