/* (C) 1999-2003 Nemosoft Unv.
- (C) 2004 Luc Saillard (luc@saillard.org)
+ (C) 2004-2006 Luc Saillard (luc@saillard.org)
NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx
driver and thus may have bugs that are not present in the original version.
#include <linux/module.h>
#include <linux/usb.h>
#include <linux/spinlock.h>
-#include <linux/videodev.h>
#include <linux/wait.h>
#include <linux/smp_lock.h>
+#include <linux/version.h>
#include <asm/semaphore.h>
#include <asm/errno.h>
+#include <linux/videodev.h>
+#include <media/v4l2-common.h>
#include "pwc-uncompress.h"
-#include "pwc-ioctl.h"
-
-/* Defines and structures for the Philips webcam */
-/* Used for checking memory corruption/pointer validation */
-#define PWC_MAGIC 0x89DC10ABUL
-#undef PWC_MAGIC
+#include <media/pwc-ioctl.h>
/* Turn some debugging options on/off */
-#define PWC_DEBUG 0
+#ifndef CONFIG_PWC_DEBUG
+#define CONFIG_PWC_DEBUG 1
+#endif
+
+/* Version block */
+#define PWC_MAJOR 10
+#define PWC_MINOR 0
+#define PWC_EXTRAMINOR 12
+#define PWC_VERSION_CODE KERNEL_VERSION(PWC_MAJOR,PWC_MINOR,PWC_EXTRAMINOR)
+#define PWC_VERSION "10.0.12"
+#define PWC_NAME "pwc"
+#define PFX PWC_NAME ": "
+
/* Trace certain actions in the driver */
-#define TRACE_MODULE 0x0001
-#define TRACE_PROBE 0x0002
-#define TRACE_OPEN 0x0004
-#define TRACE_READ 0x0008
-#define TRACE_MEMORY 0x0010
-#define TRACE_FLOW 0x0020
-#define TRACE_SIZE 0x0040
-#define TRACE_PWCX 0x0080
-#define TRACE_SEQUENCE 0x1000
-
-#define Trace(R, A...) if (pwc_trace & R) printk(KERN_DEBUG PWC_NAME " " A)
-#define Debug(A...) printk(KERN_DEBUG PWC_NAME " " A)
-#define Info(A...) printk(KERN_INFO PWC_NAME " " A)
-#define Err(A...) printk(KERN_ERR PWC_NAME " " A)
+#define PWC_DEBUG_LEVEL_MODULE (1<<0)
+#define PWC_DEBUG_LEVEL_PROBE (1<<1)
+#define PWC_DEBUG_LEVEL_OPEN (1<<2)
+#define PWC_DEBUG_LEVEL_READ (1<<3)
+#define PWC_DEBUG_LEVEL_MEMORY (1<<4)
+#define PWC_DEBUG_LEVEL_FLOW (1<<5)
+#define PWC_DEBUG_LEVEL_SIZE (1<<6)
+#define PWC_DEBUG_LEVEL_IOCTL (1<<7)
+#define PWC_DEBUG_LEVEL_TRACE (1<<8)
+
+#define PWC_DEBUG_MODULE(fmt, args...) PWC_DEBUG(MODULE, fmt, ##args)
+#define PWC_DEBUG_PROBE(fmt, args...) PWC_DEBUG(PROBE, fmt, ##args)
+#define PWC_DEBUG_OPEN(fmt, args...) PWC_DEBUG(OPEN, fmt, ##args)
+#define PWC_DEBUG_READ(fmt, args...) PWC_DEBUG(READ, fmt, ##args)
+#define PWC_DEBUG_MEMORY(fmt, args...) PWC_DEBUG(MEMORY, fmt, ##args)
+#define PWC_DEBUG_FLOW(fmt, args...) PWC_DEBUG(FLOW, fmt, ##args)
+#define PWC_DEBUG_SIZE(fmt, args...) PWC_DEBUG(SIZE, fmt, ##args)
+#define PWC_DEBUG_IOCTL(fmt, args...) PWC_DEBUG(IOCTL, fmt, ##args)
+#define PWC_DEBUG_TRACE(fmt, args...) PWC_DEBUG(TRACE, fmt, ##args)
+
+
+#if CONFIG_PWC_DEBUG
+
+#define PWC_DEBUG_LEVEL (PWC_DEBUG_LEVEL_MODULE)
+
+#define PWC_DEBUG(level, fmt, args...) do {\
+ if ((PWC_DEBUG_LEVEL_ ##level) & pwc_trace) \
+ printk(KERN_DEBUG PFX fmt, ##args); \
+ } while(0)
+
+#define PWC_ERROR(fmt, args...) printk(KERN_ERR PFX fmt, ##args)
+#define PWC_WARNING(fmt, args...) printk(KERN_WARNING PFX fmt, ##args)
+#define PWC_INFO(fmt, args...) printk(KERN_INFO PFX fmt, ##args)
+#define PWC_TRACE(fmt, args...) PWC_DEBUG(TRACE, fmt, ##args)
+
+#else /* if ! CONFIG_PWC_DEBUG */
+
+#define PWC_ERROR(fmt, args...) printk(KERN_ERR PFX fmt, ##args)
+#define PWC_WARNING(fmt, args...) printk(KERN_WARNING PFX fmt, ##args)
+#define PWC_INFO(fmt, args...) printk(KERN_INFO PFX fmt, ##args)
+#define PWC_TRACE(fmt, args...) do { } while(0)
+#define PWC_DEBUG(level, fmt, args...) do { } while(0)
+
+#define pwc_trace 0
+#endif
/* Defines for ToUCam cameras */
#define TOUCAM_HEADER_SIZE 8
#define TOUCAM_TRAILER_SIZE 4
#define FEATURE_MOTOR_PANTILT 0x0001
-
-/* Version block */
-#define PWC_MAJOR 9
-#define PWC_MINOR 0
-#define PWC_VERSION "9.0.2-unofficial"
-#define PWC_NAME "pwc"
+#define FEATURE_CODEC1 0x0002
+#define FEATURE_CODEC2 0x0004
/* Turn certain features on/off */
#define PWC_INT_PIPE 0
/* Absolute maximum number of buffers available for mmap() */
#define MAX_IMAGES 10
+/* Some macros to quickly find the type of a webcam */
+#define DEVICE_USE_CODEC1(x) ((x)<675)
+#define DEVICE_USE_CODEC2(x) ((x)>=675 && (x)<700)
+#define DEVICE_USE_CODEC3(x) ((x)>=700)
+#define DEVICE_USE_CODEC23(x) ((x)>=675)
+
+
+#ifndef V4L2_PIX_FMT_PWC1
+#define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P','W','C','1')
+#define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P','W','C','2')
+#endif
+
/* The following structures were based on cpia.h. Why reinvent the wheel? :-) */
struct pwc_iso_buf
{
void *data;
volatile int filled; /* number of bytes filled */
struct pwc_frame_buf *next; /* list */
-#if PWC_DEBUG
- int sequence; /* Sequence number */
-#endif
+};
+
+/* additionnal informations used when dealing image between kernel and userland */
+struct pwc_imgbuf
+{
+ unsigned long offset; /* offset of this buffer in the big array of image_data */
+ int vma_use_count; /* count the number of time this memory is mapped */
};
struct pwc_device
{
struct video_device *vdev;
-#ifdef PWC_MAGIC
- int magic;
-#endif
+
/* Pointer to our usb_device */
struct usb_device *udev;
-
+
int type; /* type of cam (645, 646, 675, 680, 690, 720, 730, 740, 750) */
int release; /* release number */
int features; /* feature bits */
char vsnapshot; /* snapshot mode */
char vsync; /* used by isoc handler */
char vmirror; /* for ToUCaM series */
-
+
int cmd_len;
unsigned char cmd_buf[13];
int frame_size;
int frame_total_size; /* including header & trailer */
int drop_frames;
-#if PWC_DEBUG
- int sequence; /* Debugging aid */
-#endif
/* 3: decompression */
- struct pwc_decompressor *decompressor; /* function block with decompression routines */
void *decompress_data; /* private data for decompression engine */
/* 4: image */
struct pwc_coord offset; /* offset within the viewport */
void *image_data; /* total buffer, which is subdivided into ... */
- void *image_ptr[MAX_IMAGES]; /* ...several images... */
+ struct pwc_imgbuf images[MAX_IMAGES];/* ...several images... */
int fill_image; /* ...which are rotated. */
int len_per_image; /* length per image */
int image_read_pos; /* In case we read data in pieces, keep track of were we are in the imagebuffer */
struct pwc_mpt_range angle_range;
int pan_angle; /* in degrees * 100 */
int tilt_angle; /* absolute angle; 0,0 is home position */
+ int snapshot_button_status; /* set to 1 when the user push the button, reset to 0 when this value is read */
/*** Misc. data ***/
wait_queue_head_t frameq; /* When waiting for a frame to finish... */
#endif
};
-
#ifdef __cplusplus
extern "C" {
#endif
-/* Global variable */
+/* Global variables */
+#if CONFIG_PWC_DEBUG
extern int pwc_trace;
+#endif
+extern int pwc_mbufs;
/** functions in pwc-if.c */
int pwc_try_video_mode(struct pwc_device *pdev, int width, int height, int new_fps, int new_compression, int new_snapshot);
+int pwc_handle_frame(struct pwc_device *pdev);
+void pwc_next_image(struct pwc_device *pdev);
+int pwc_isoc_init(struct pwc_device *pdev);
+void pwc_isoc_cleanup(struct pwc_device *pdev);
/** Functions in pwc-misc.c */
/* sizes in pixels */
-extern struct pwc_coord pwc_image_sizes[PSZ_MAX];
+extern const struct pwc_coord pwc_image_sizes[PSZ_MAX];
int pwc_decode_size(struct pwc_device *pdev, int width, int height);
void pwc_construct(struct pwc_device *pdev);
/** Functions in pwc-ctrl.c */
/* Request a certain video mode. Returns < 0 if not possible */
extern int pwc_set_video_mode(struct pwc_device *pdev, int width, int height, int frames, int compression, int snapshot);
+/* Calculate the number of bytes per image (not frame) */
+extern int pwc_mpt_reset(struct pwc_device *pdev, int flags);
+extern int pwc_mpt_set_angle(struct pwc_device *pdev, int pan, int tilt);
/* Various controls; should be obvious. Value 0..65535, or < 0 on error */
extern int pwc_get_brightness(struct pwc_device *pdev);
extern int pwc_set_contrast(struct pwc_device *pdev, int value);
extern int pwc_get_gamma(struct pwc_device *pdev);
extern int pwc_set_gamma(struct pwc_device *pdev, int value);
-extern int pwc_get_saturation(struct pwc_device *pdev);
+extern int pwc_get_saturation(struct pwc_device *pdev, int *value);
extern int pwc_set_saturation(struct pwc_device *pdev, int value);
extern int pwc_set_leds(struct pwc_device *pdev, int on_value, int off_value);
extern int pwc_get_cmos_sensor(struct pwc_device *pdev, int *sensor);
+extern int pwc_restore_user(struct pwc_device *pdev);
+extern int pwc_save_user(struct pwc_device *pdev);
+extern int pwc_restore_factory(struct pwc_device *pdev);
+
+/* exported for use by v4l2 controls */
+extern int pwc_get_red_gain(struct pwc_device *pdev, int *value);
+extern int pwc_set_red_gain(struct pwc_device *pdev, int value);
+extern int pwc_get_blue_gain(struct pwc_device *pdev, int *value);
+extern int pwc_set_blue_gain(struct pwc_device *pdev, int value);
+extern int pwc_get_awb(struct pwc_device *pdev);
+extern int pwc_set_awb(struct pwc_device *pdev, int mode);
+extern int pwc_set_agc(struct pwc_device *pdev, int mode, int value);
+extern int pwc_get_agc(struct pwc_device *pdev, int *value);
+extern int pwc_set_shutter_speed(struct pwc_device *pdev, int mode, int value);
+extern int pwc_get_shutter_speed(struct pwc_device *pdev, int *value);
+
+extern int pwc_set_colour_mode(struct pwc_device *pdev, int colour);
+extern int pwc_get_colour_mode(struct pwc_device *pdev, int *colour);
+extern int pwc_set_contour(struct pwc_device *pdev, int contour);
+extern int pwc_get_contour(struct pwc_device *pdev, int *contour);
+extern int pwc_set_backlight(struct pwc_device *pdev, int backlight);
+extern int pwc_get_backlight(struct pwc_device *pdev, int *backlight);
+extern int pwc_set_flicker(struct pwc_device *pdev, int flicker);
+extern int pwc_get_flicker(struct pwc_device *pdev, int *flicker);
+extern int pwc_set_dynamic_noise(struct pwc_device *pdev, int noise);
+extern int pwc_get_dynamic_noise(struct pwc_device *pdev, int *noise);
/* Power down or up the camera; not supported by all models */
extern int pwc_camera_power(struct pwc_device *pdev, int power);
/* Private ioctl()s; see pwc-ioctl.h */
extern int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg);
+/** Functions in pwc-v4l.c */
+extern int pwc_video_do_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, void *arg);
/** pwc-uncompress.c */
/* Expand frame to image, possibly including decompression. Uses read_frame and fill_image */
#endif
+/* vim: set cino= formatoptions=croql cindent shiftwidth=8 tabstop=8: */
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