1 files changed, 234 insertions, 0 deletions

diff --git a/drivers/media/video/se401.h b/drivers/media/video/se401.h
new file mode 100644
index 000000000000..a7a216bd4413
--- /dev/null
+++ b/drivers/media/video/se401.h
@@ -0,0 +1,234 @@
+
+#ifndef __LINUX_se401_H
+#define __LINUX_se401_H
+
+#include <asm/uaccess.h>
+#include <linux/videodev.h>
+#include <linux/smp_lock.h>
+#include <linux/mutex.h>
+
+#define se401_DEBUG     /* Turn on debug messages */
+
+#ifdef se401_DEBUG
+#  define PDEBUG(level, fmt, args...) \
+if (debug >= level) info("[" __PRETTY_FUNCTION__ ":%d] " fmt, __LINE__ , ## args)
+#else
+#  define PDEBUG(level, fmt, args...) do {} while(0)
+#endif
+
+/* An almost drop-in replacement for sleep_on_interruptible */
+#define wait_interruptible(test, queue, wait) \
+{ \
+        add_wait_queue(queue, wait); \
+        set_current_state(TASK_INTERRUPTIBLE); \
+        if (test) \
+                schedule(); \
+        remove_wait_queue(queue, wait); \
+        set_current_state(TASK_RUNNING); \
+        if (signal_pending(current)) \
+                break; \
+}
+
+#define SE401_REQ_GET_CAMERA_DESCRIPTOR         0x06
+#define SE401_REQ_START_CONTINUOUS_CAPTURE      0x41
+#define SE401_REQ_STOP_CONTINUOUS_CAPTURE       0x42
+#define SE401_REQ_CAPTURE_FRAME                 0x43
+#define SE401_REQ_GET_BRT                       0x44
+#define SE401_REQ_SET_BRT                       0x45
+#define SE401_REQ_GET_WIDTH                     0x4c
+#define SE401_REQ_SET_WIDTH                     0x4d
+#define SE401_REQ_GET_HEIGHT                    0x4e
+#define SE401_REQ_SET_HEIGHT                    0x4f
+#define SE401_REQ_GET_OUTPUT_MODE               0x50
+#define SE401_REQ_SET_OUTPUT_MODE               0x51
+#define SE401_REQ_GET_EXT_FEATURE               0x52
+#define SE401_REQ_SET_EXT_FEATURE               0x53
+#define SE401_REQ_CAMERA_POWER                  0x56
+#define SE401_REQ_LED_CONTROL                   0x57
+#define SE401_REQ_BIOS                          0xff
+
+#define SE401_BIOS_READ                         0x07
+
+#define SE401_FORMAT_BAYER      0x40
+
+/* Hyundai hv7131b registers
+   7121 and 7141 should be the same (haven't really checked...) */
+/* Mode registers: */
+#define HV7131_REG_MODE_A               0x00
+#define HV7131_REG_MODE_B               0x01
+#define HV7131_REG_MODE_C               0x02
+/* Frame registers: */
+#define HV7131_REG_FRSU         0x10
+#define HV7131_REG_FRSL         0x11
+#define HV7131_REG_FCSU         0x12
+#define HV7131_REG_FCSL         0x13
+#define HV7131_REG_FWHU         0x14
+#define HV7131_REG_FWHL         0x15
+#define HV7131_REG_FWWU         0x16
+#define HV7131_REG_FWWL         0x17
+/* Timing registers: */
+#define HV7131_REG_THBU         0x20
+#define HV7131_REG_THBL         0x21
+#define HV7131_REG_TVBU         0x22
+#define HV7131_REG_TVBL         0x23
+#define HV7131_REG_TITU         0x25
+#define HV7131_REG_TITM         0x26
+#define HV7131_REG_TITL         0x27
+#define HV7131_REG_TMCD         0x28
+/* Adjust Registers: */
+#define HV7131_REG_ARLV         0x30
+#define HV7131_REG_ARCG         0x31
+#define HV7131_REG_AGCG         0x32
+#define HV7131_REG_ABCG         0x33
+#define HV7131_REG_APBV         0x34
+#define HV7131_REG_ASLP         0x54
+/* Offset Registers: */
+#define HV7131_REG_OFSR         0x50
+#define HV7131_REG_OFSG         0x51
+#define HV7131_REG_OFSB         0x52
+/* REset level statistics registers: */
+#define HV7131_REG_LOREFNOH     0x57
+#define HV7131_REG_LOREFNOL     0x58
+#define HV7131_REG_HIREFNOH     0x59
+#define HV7131_REG_HIREFNOL     0x5a
+
+/* se401 registers */
+#define SE401_OPERATINGMODE     0x2000
+
+
+/* size of usb transfers */
+#define SE401_PACKETSIZE        4096
+/* number of queued bulk transfers to use, should be about 8 */
+#define SE401_NUMSBUF           1
+/* read the usb specs for this one :) */
+#define SE401_VIDEO_ENDPOINT    1
+#define SE401_BUTTON_ENDPOINT   2
+/* number of frames supported by the v4l part */
+#define SE401_NUMFRAMES         2
+/* scratch buffers for passing data to the decoders */
+#define SE401_NUMSCRATCH        32
+/* maximum amount of data in a JangGu packet */
+#define SE401_VLCDATALEN        1024
+/* number of nul sized packets to receive before kicking the camera */
+#define SE401_MAX_NULLPACKETS   4000
+/* number of decoding errors before kicking the camera */
+#define SE401_MAX_ERRORS        200
+
+struct usb_device;
+
+struct se401_sbuf {
+        unsigned char *data;
+};
+
+enum {
+        FRAME_UNUSED,           /* Unused (no MCAPTURE) */
+        FRAME_READY,            /* Ready to start grabbing */
+        FRAME_GRABBING,         /* In the process of being grabbed into */
+        FRAME_DONE,             /* Finished grabbing, but not been synced yet */
+        FRAME_ERROR,            /* Something bad happened while processing */
+};
+
+enum {
+        FMT_BAYER,
+        FMT_JANGGU,
+};
+
+enum {
+        BUFFER_UNUSED,
+        BUFFER_READY,
+        BUFFER_BUSY,
+        BUFFER_DONE,
+};
+
+struct se401_scratch {
+        unsigned char *data;
+        volatile int state;
+        int offset;
+        int length;
+};
+
+struct se401_frame {
+        unsigned char *data;            /* Frame buffer */
+
+        volatile int grabstate; /* State of grabbing */
+
+        unsigned char *curline;
+        int curlinepix;
+        int curpix;
+};
+
+struct usb_se401 {
+        struct video_device vdev;
+
+        /* Device structure */
+        struct usb_device *dev;
+
+        unsigned char iface;
+
+        char *camera_name;
+
+        int change;
+        int brightness;
+        int hue;
+        int rgain;
+        int ggain;
+        int bgain;
+        int expose_h;
+        int expose_m;
+        int expose_l;
+        int resetlevel;
+
+        int enhance;
+
+        int format;
+        int sizes;
+        int *width;
+        int *height;
+        int cwidth;             /* current width */
+        int cheight;            /* current height */
+        int palette;
+        int maxframesize;
+        int cframesize;         /* current framesize */
+
+        struct mutex lock;
+        int user;               /* user count for exclusive use */
+        int removed;            /* device disconnected */
+
+        int streaming;          /* Are we streaming video? */
+
+        char *fbuf;             /* Videodev buffer area */
+
+        struct urb *urb[SE401_NUMSBUF];
+        struct urb *inturb;
+
+        int button;
+        int buttonpressed;
+
+        int curframe;           /* Current receiving frame */
+        struct se401_frame frame[SE401_NUMFRAMES];
+        int readcount;
+        int framecount;
+        int error;
+        int dropped;
+
+        int scratch_next;
+        int scratch_use;
+        int scratch_overflow;
+        struct se401_scratch scratch[SE401_NUMSCRATCH];
+
+        /* Decoder specific data: */
+        unsigned char vlcdata[SE401_VLCDATALEN];
+        int vlcdatapos;
+        int bayeroffset;
+
+        struct se401_sbuf sbuf[SE401_NUMSBUF];
+
+        wait_queue_head_t wq;   /* Processes waiting */
+
+        int nullpackets;
+};
+
+
+
+#endif
+