diff options
Diffstat (limited to 'drivers/media/video/gspca/gspca.h')
| -rw-r--r-- | drivers/media/video/gspca/gspca.h | 34 |
1 files changed, 24 insertions, 10 deletions
diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h index 8b963dfae861..d4d210b56b49 100644 --- a/drivers/media/video/gspca/gspca.h +++ b/drivers/media/video/gspca/gspca.h @@ -7,7 +7,6 @@ #include <linux/videodev2.h> #include <media/v4l2-common.h> #include <linux/mutex.h> -#include <linux/slab.h> /* compilation option */ #define GSPCA_DEBUG 1 @@ -53,11 +52,20 @@ struct framerates { int nrates; }; +/* control definition */ +struct gspca_ctrl { + s16 val; /* current value */ + s16 def; /* default value */ + s16 min, max; /* minimum and maximum values */ +}; + /* device information - set at probe time */ struct cam { const struct v4l2_pix_format *cam_mode; /* size nmodes */ const struct framerates *mode_framerates; /* must have size nmode, * just like cam_mode */ + struct gspca_ctrl *ctrls; /* control table - size nctrls */ + /* may be NULL */ u32 bulk_size; /* buffer size when image transfer by bulk */ u32 input_flags; /* value for ENUM_INPUT status flags */ u8 nmodes; /* size of cam_mode */ @@ -100,6 +108,7 @@ struct ctrl { struct v4l2_queryctrl qctrl; int (*set)(struct gspca_dev *, __s32); int (*get)(struct gspca_dev *, __s32 *); + cam_v_op set_control; }; /* subdriver description */ @@ -107,7 +116,7 @@ struct sd_desc { /* information */ const char *name; /* sub-driver name */ /* controls */ - const struct ctrl *ctrls; + const struct ctrl *ctrls; /* static control definition */ int nctrls; /* mandatory operations */ cam_cf_op config; /* called on probe */ @@ -148,7 +157,6 @@ enum gspca_packet_type { struct gspca_frame { __u8 *data; /* frame buffer */ - __u8 *data_end; /* end of frame while filling */ int vma_use_count; struct v4l2_buffer v4l2_buf; }; @@ -177,13 +185,14 @@ struct gspca_dev { __u8 *frbuf; /* buffer for nframes */ struct gspca_frame frame[GSPCA_MAX_FRAMES]; - struct gspca_frame *cur_frame; /* frame beeing filled */ + u8 *image; /* image beeing filled */ __u32 frsz; /* frame size */ - char nframes; /* number of frames */ - char fr_i; /* frame being filled */ - char fr_q; /* next frame to queue */ - char fr_o; /* next frame to dequeue */ + u32 image_len; /* current length of image */ + atomic_t fr_q; /* next frame to queue */ + atomic_t fr_i; /* frame being filled */ signed char fr_queue[GSPCA_MAX_FRAMES]; /* frame queue */ + char nframes; /* number of frames */ + u8 fr_o; /* next frame to dequeue */ __u8 last_packet_type; __s8 empty_packet; /* if (-1) don't check empty packets */ __u8 streaming; @@ -199,6 +208,7 @@ struct gspca_dev { struct mutex read_lock; /* read protection */ struct mutex queue_lock; /* ISOC queue protection */ int usb_err; /* USB error - protected by usb_lock */ + u16 pkt_size; /* ISOC packet size */ #ifdef CONFIG_PM char frozen; /* suspend - resume */ #endif @@ -209,7 +219,7 @@ struct gspca_dev { __u8 iface; /* USB interface number */ __u8 alt; /* USB alternate setting */ __u8 nbalt; /* number of USB alternate settings */ - u16 pkt_size; /* ISOC packet size */ + u8 audio; /* presence of audio device */ }; int gspca_dev_probe(struct usb_interface *intf, @@ -217,12 +227,16 @@ int gspca_dev_probe(struct usb_interface *intf, const struct sd_desc *sd_desc, int dev_size, struct module *module); +int gspca_dev_probe2(struct usb_interface *intf, + const struct usb_device_id *id, + const struct sd_desc *sd_desc, + int dev_size, + struct module *module); void gspca_disconnect(struct usb_interface *intf); void gspca_frame_add(struct gspca_dev *gspca_dev, enum gspca_packet_type packet_type, const u8 *data, int len); -struct gspca_frame *gspca_get_i_frame(struct gspca_dev *gspca_dev); #ifdef CONFIG_PM int gspca_suspend(struct usb_interface *intf, pm_message_t message); int gspca_resume(struct usb_interface *intf); |