V4L/DVB (3599): Implement new routing commands for wm8775 and cs53l32a.
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / usb / media / sn9c102.h
index e5cea0e2eb5700195d24e858a66404048af9653f..1d70a62b9f2386906cd6cbf00f4b4d2bd1d4bc80 100644 (file)
@@ -1,7 +1,7 @@
 /***************************************************************************
  * V4L2 driver for SN9C10x PC Camera Controllers                           *
  *                                                                         *
- * Copyright (C) 2004-2005 by Luca Risolia <luca.risolia@studio.unibo.it>  *
+ * Copyright (C) 2004-2006 by Luca Risolia <luca.risolia@studio.unibo.it>  *
  *                                                                         *
  * 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    *
@@ -23,7 +23,8 @@
 
 #include <linux/version.h>
 #include <linux/usb.h>
-#include <linux/videodev.h>
+#include <linux/videodev2.h>
+#include <media/v4l2-common.h>
 #include <linux/device.h>
 #include <linux/list.h>
 #include <linux/spinlock.h>
@@ -32,7 +33,9 @@
 #include <linux/types.h>
 #include <linux/param.h>
 #include <linux/rwsem.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
+#include <linux/string.h>
+#include <linux/stddef.h>
 
 #include "sn9c102_sensor.h"
 
 #define SN9C102_ALTERNATE_SETTING 8
 #define SN9C102_URB_TIMEOUT       msecs_to_jiffies(2 * SN9C102_ISO_PACKETS)
 #define SN9C102_CTRL_TIMEOUT      300
+#define SN9C102_FRAME_TIMEOUT     2
 
 /*****************************************************************************/
 
-#define SN9C102_MODULE_NAME     "V4L2 driver for SN9C10x PC Camera Controllers"
-#define SN9C102_MODULE_AUTHOR   "(C) 2004-2005 Luca Risolia"
-#define SN9C102_AUTHOR_EMAIL    "<luca.risolia@studio.unibo.it>"
-#define SN9C102_MODULE_LICENSE  "GPL"
-#define SN9C102_MODULE_VERSION  "1:1.24a"
-#define SN9C102_MODULE_VERSION_CODE  KERNEL_VERSION(1, 0, 24)
-
 enum sn9c102_bridge {
        BRIDGE_SN9C101 = 0x01,
        BRIDGE_SN9C102 = 0x02,
@@ -102,28 +99,28 @@ enum sn9c102_stream_state {
        STREAM_ON,
 };
 
+typedef char sn9c103_sof_header_t[18];
 typedef char sn9c102_sof_header_t[12];
 typedef char sn9c102_eof_header_t[4];
 
 struct sn9c102_sysfs_attr {
        u8 reg, i2c_reg;
-       sn9c102_sof_header_t frame_header;
+       sn9c103_sof_header_t frame_header;
 };
 
 struct sn9c102_module_param {
        u8 force_munmap;
+       u16 frame_timeout;
 };
 
-static DECLARE_MUTEX(sn9c102_sysfs_lock);
+static DEFINE_MUTEX(sn9c102_sysfs_lock);
 static DECLARE_RWSEM(sn9c102_disconnect);
 
 struct sn9c102_device {
-       struct device dev;
-
        struct video_device* v4ldev;
 
        enum sn9c102_bridge bridge;
-       struct sn9c102_sensor* sensor;
+       struct sn9c102_sensor sensor;
 
        struct usb_device* usbdev;
        struct urb* urb[SN9C102_URBS];
@@ -140,28 +137,36 @@ struct sn9c102_device {
        struct v4l2_jpegcompression compression;
 
        struct sn9c102_sysfs_attr sysfs;
-       sn9c102_sof_header_t sof_header;
-       u16 reg[32];
+       sn9c103_sof_header_t sof_header;
+       u16 reg[63];
 
        struct sn9c102_module_param module_param;
 
        enum sn9c102_dev_state state;
        u8 users;
 
-       struct semaphore dev_sem, fileop_sem;
+       struct mutex dev_mutex, fileop_mutex;
        spinlock_t queue_lock;
        wait_queue_head_t open, wait_frame, wait_stream;
 };
 
 /*****************************************************************************/
 
+struct sn9c102_device*
+sn9c102_match_id(struct sn9c102_device* cam, const struct usb_device_id *id)
+{
+       if (usb_match_id(usb_ifnum_to_if(cam->usbdev, 0), id))
+               return cam;
+
+       return NULL;
+}
+
+
 void
 sn9c102_attach_sensor(struct sn9c102_device* cam,
                       struct sn9c102_sensor* sensor)
 {
-       cam->sensor = sensor;
-       cam->sensor->dev = &cam->dev;
-       cam->sensor->usbdev = cam->usbdev;
+       memcpy(&cam->sensor, sensor, sizeof(struct sn9c102_sensor));
 }
 
 /*****************************************************************************/
@@ -170,19 +175,24 @@ sn9c102_attach_sensor(struct sn9c102_device* cam,
 #undef KDBG
 #ifdef SN9C102_DEBUG
 #      define DBG(level, fmt, args...)                                       \
-{                                                                             \
+do {                                                                          \
        if (debug >= (level)) {                                               \
                if ((level) == 1)                                             \
-                       dev_err(&cam->dev, fmt "\n", ## args);                \
+                       dev_err(&cam->usbdev->dev, fmt "\n", ## args);        \
                else if ((level) == 2)                                        \
-                       dev_info(&cam->dev, fmt "\n", ## args);               \
+                       dev_info(&cam->usbdev->dev, fmt "\n", ## args);       \
                else if ((level) >= 3)                                        \
-                       dev_info(&cam->dev, "[%s:%d] " fmt "\n",              \
+                       dev_info(&cam->usbdev->dev, "[%s:%d] " fmt "\n",      \
                                 __FUNCTION__, __LINE__ , ## args);           \
        }                                                                     \
-}
+} while (0)
+#      define V4LDBG(level, name, cmd)                                       \
+do {                                                                          \
+       if (debug >= (level))                                                 \
+               v4l_print_ioctl(name, cmd);                                   \
+} while (0)
 #      define KDBG(level, fmt, args...)                                      \
-{                                                                             \
+do {                                                                          \
        if (debug >= (level)) {                                               \
                if ((level) == 1 || (level) == 2)                             \
                        pr_info("sn9c102: " fmt "\n", ## args);               \
@@ -190,17 +200,19 @@ sn9c102_attach_sensor(struct sn9c102_device* cam,
                        pr_debug("sn9c102: [%s:%d] " fmt "\n", __FUNCTION__,  \
                                 __LINE__ , ## args);                         \
        }                                                                     \
-}
+} while (0)
 #else
-#      define KDBG(level, fmt, args...) do {;} while(0);
-#      define DBG(level, fmt, args...) do {;} while(0);
+#      define DBG(level, fmt, args...) do {;} while(0)
+#      define V4LDBG(level, name, cmd) do {;} while(0)
+#      define KDBG(level, fmt, args...) do {;} while(0)
 #endif
 
 #undef PDBG
 #define PDBG(fmt, args...)                                                    \
-dev_info(&cam->dev, "[%s:%d] " fmt "\n", __FUNCTION__, __LINE__ , ## args);
+dev_info(&cam->usbdev->dev, "[%s:%d] " fmt "\n",                              \
+         __FUNCTION__, __LINE__ , ## args)
 
 #undef PDBGG
-#define PDBGG(fmt, args...) do {;} while(0); /* placeholder */
+#define PDBGG(fmt, args...) do {;} while(0) /* placeholder */
 
 #endif /* _SN9C102_H_ */