diff options
Diffstat (limited to 'drivers/media/usb/gspca/gspca.h')
| -rw-r--r-- | drivers/media/usb/gspca/gspca.h | 62 |
1 files changed, 35 insertions, 27 deletions
diff --git a/drivers/media/usb/gspca/gspca.h b/drivers/media/usb/gspca/gspca.h index ac0b11f46f50..a6554d5e9e1a 100644 --- a/drivers/media/usb/gspca/gspca.h +++ b/drivers/media/usb/gspca/gspca.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef GSPCAV2_H #define GSPCAV2_H @@ -8,6 +9,8 @@ #include <media/v4l2-common.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> +#include <media/videobuf2-v4l2.h> +#include <media/videobuf2-vmalloc.h> #include <linux/mutex.h> @@ -25,11 +28,12 @@ extern int gspca_debug; -#define PDEBUG(level, fmt, ...) \ - v4l2_dbg(level, gspca_debug, &gspca_dev->v4l2_dev, fmt, ##__VA_ARGS__) +#define gspca_dbg(gspca_dev, level, fmt, ...) \ + v4l2_dbg(level, gspca_debug, &(gspca_dev)->v4l2_dev, \ + fmt, ##__VA_ARGS__) -#define PERR(fmt, ...) \ - v4l2_err(&gspca_dev->v4l2_dev, fmt, ##__VA_ARGS__) +#define gspca_err(gspca_dev, fmt, ...) \ + v4l2_err(&(gspca_dev)->v4l2_dev, fmt, ##__VA_ARGS__) #define GSPCA_MAX_FRAMES 16 /* maximum number of video frame buffers */ /* image transfers */ @@ -88,6 +92,10 @@ typedef void (*cam_pkt_op) (struct gspca_dev *gspca_dev, typedef int (*cam_int_pkt_op) (struct gspca_dev *gspca_dev, u8 *data, int len); +typedef void (*cam_format_op) (struct gspca_dev *gspca_dev, + struct v4l2_format *fmt); +typedef int (*cam_frmsize_op) (struct gspca_dev *gspca_dev, + struct v4l2_frmsizeenum *fsize); /* subdriver description */ struct sd_desc { @@ -97,6 +105,7 @@ struct sd_desc { cam_cf_op config; /* called on probe */ cam_op init; /* called on probe and resume */ cam_op init_controls; /* called on probe */ + cam_v_op probe_error; /* called if probe failed, do cleanup here */ cam_op start; /* called on stream on after URBs creation */ cam_pkt_op pkt_scan; /* optional operations */ @@ -109,6 +118,8 @@ struct sd_desc { cam_set_jpg_op set_jcomp; cam_streamparm_op get_streamparm; cam_streamparm_op set_streamparm; + cam_format_op try_fmt; + cam_frmsize_op enum_framesizes; #ifdef CONFIG_VIDEO_ADV_DEBUG cam_set_reg_op set_register; cam_get_reg_op get_register; @@ -130,19 +141,22 @@ enum gspca_packet_type { LAST_PACKET }; -struct gspca_frame { - __u8 *data; /* frame buffer */ - int vma_use_count; - struct v4l2_buffer v4l2_buf; +struct gspca_buffer { + struct vb2_v4l2_buffer vb; + struct list_head list; }; +static inline struct gspca_buffer *to_gspca_buffer(struct vb2_buffer *vb2) +{ + return container_of(vb2, struct gspca_buffer, vb.vb2_buf); +} + struct gspca_dev { struct video_device vdev; /* !! must be the first item */ struct module *module; /* subdriver handling the device */ struct v4l2_device v4l2_dev; struct usb_device *dev; - struct file *capt_file; /* file doing video capture */ - /* protected by queue_lock */ + #if IS_ENABLED(CONFIG_INPUT) struct input_dev *input_dev; char phys[64]; /* physical device path */ @@ -168,39 +182,33 @@ struct gspca_dev { struct urb *int_urb; #endif - __u8 *frbuf; /* buffer for nframes */ - struct gspca_frame frame[GSPCA_MAX_FRAMES]; - u8 *image; /* image beeing filled */ - __u32 frsz; /* frame size */ + u8 *image; /* image being filled */ 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; /* protected by both mutexes (*) */ + bool streaming; __u8 curr_mode; /* current camera mode */ - __u32 pixfmt; /* current mode parameters */ - __u16 width; - __u16 height; + struct v4l2_pix_format pixfmt; /* current mode parameters */ __u32 sequence; /* frame sequence number */ + struct vb2_queue queue; + + spinlock_t qlock; + struct list_head buf_list; + wait_queue_head_t wq; /* wait queue */ struct mutex usb_lock; /* usb exchange 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 - char present; /* device connected */ - char nbufread; /* number of buffers for read() */ + bool present; char memory; /* memory type (V4L2_MEMORY_xxx) */ __u8 iface; /* USB interface number */ __u8 alt; /* USB alternate setting */ + int xfer_ep; /* USB transfer endpoint address */ u8 audio; /* presence of audio device */ /* (*) These variables are proteced by both usb_lock and queue_lock, @@ -230,6 +238,6 @@ int gspca_resume(struct usb_interface *intf); int gspca_expo_autogain(struct gspca_dev *gspca_dev, int avg_lum, int desired_avg_lum, int deadzone, int gain_knee, int exposure_knee); int gspca_coarse_grained_expo_autogain(struct gspca_dev *gspca_dev, - int avg_lum, int desired_avg_lum, int deadzone); + int avg_lum, int desired_avg_lum, int deadzone); #endif /* GSPCAV2_H */ |