Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 2 | #ifndef GSPCAV2_H |
| 3 | #define GSPCAV2_H |
| 4 | |
| 5 | #include <linux/module.h> |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 6 | #include <linux/kernel.h> |
| 7 | #include <linux/usb.h> |
| 8 | #include <linux/videodev2.h> |
| 9 | #include <media/v4l2-common.h> |
Hans de Goede | 8cd0584 | 2012-05-09 09:58:33 -0300 | [diff] [blame] | 10 | #include <media/v4l2-ctrls.h> |
Hans Verkuil | 2333565 | 2012-05-06 09:28:19 -0300 | [diff] [blame] | 11 | #include <media/v4l2-device.h> |
Hans Verkuil | 1f5965c | 2018-05-12 10:44:00 -0400 | [diff] [blame] | 12 | #include <media/videobuf2-v4l2.h> |
| 13 | #include <media/videobuf2-vmalloc.h> |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 14 | #include <linux/mutex.h> |
| 15 | |
Jean-Francois Moine | 335b3f8 | 2008-07-30 04:53:02 -0300 | [diff] [blame] | 16 | |
Theodore Kilgore | c93396e | 2013-02-04 13:17:55 -0300 | [diff] [blame] | 17 | |
| 18 | /* GSPCA debug codes */ |
| 19 | |
| 20 | #define D_PROBE 1 |
| 21 | #define D_CONF 2 |
| 22 | #define D_STREAM 3 |
| 23 | #define D_FRAM 4 |
| 24 | #define D_PACK 5 |
| 25 | #define D_USBI 6 |
| 26 | #define D_USBO 7 |
| 27 | |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 28 | extern int gspca_debug; |
Joe Perches | 133a9fe | 2011-08-21 19:56:57 -0300 | [diff] [blame] | 29 | |
Theodore Kilgore | c93396e | 2013-02-04 13:17:55 -0300 | [diff] [blame] | 30 | |
Joe Perches | 37d5efb | 2017-09-22 15:20:33 -0400 | [diff] [blame] | 31 | #define gspca_dbg(gspca_dev, level, fmt, ...) \ |
| 32 | v4l2_dbg(level, gspca_debug, &(gspca_dev)->v4l2_dev, \ |
| 33 | fmt, ##__VA_ARGS__) |
Theodore Kilgore | c93396e | 2013-02-04 13:17:55 -0300 | [diff] [blame] | 34 | |
Joe Perches | 52173c5f | 2017-09-22 14:33:35 -0400 | [diff] [blame] | 35 | #define gspca_err(gspca_dev, fmt, ...) \ |
| 36 | v4l2_err(&(gspca_dev)->v4l2_dev, fmt, ##__VA_ARGS__) |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 37 | |
| 38 | #define GSPCA_MAX_FRAMES 16 /* maximum number of video frame buffers */ |
Jean-Francois Moine | 0be01004 | 2008-09-04 07:01:50 -0300 | [diff] [blame] | 39 | /* image transfers */ |
| 40 | #define MAX_NURBS 4 /* max number of URBs */ |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 41 | |
Antonio Ospite | 28ffe77 | 2009-12-02 06:18:46 -0300 | [diff] [blame] | 42 | |
| 43 | /* used to list framerates supported by a camera mode (resolution) */ |
| 44 | struct framerates { |
Antonio Ospite | 29b87f0 | 2010-01-17 03:27:04 -0300 | [diff] [blame] | 45 | const u8 *rates; |
Antonio Ospite | 28ffe77 | 2009-12-02 06:18:46 -0300 | [diff] [blame] | 46 | int nrates; |
| 47 | }; |
| 48 | |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 49 | /* device information - set at probe time */ |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 50 | struct cam { |
Jean-Francois Moine | cc611b8 | 2008-12-29 07:49:41 -0300 | [diff] [blame] | 51 | const struct v4l2_pix_format *cam_mode; /* size nmodes */ |
Jean-François Moine | 2bbf53b | 2010-12-28 07:01:04 -0300 | [diff] [blame] | 52 | const struct framerates *mode_framerates; /* must have size nmodes, |
Antonio Ospite | 28ffe77 | 2009-12-02 06:18:46 -0300 | [diff] [blame] | 53 | * just like cam_mode */ |
Jean-Francois Moine | 47aaca9 | 2009-12-15 05:23:04 -0300 | [diff] [blame] | 54 | u32 bulk_size; /* buffer size when image transfer by bulk */ |
| 55 | u32 input_flags; /* value for ENUM_INPUT status flags */ |
| 56 | u8 nmodes; /* size of cam_mode */ |
| 57 | u8 no_urb_create; /* don't create transfer URBs */ |
| 58 | u8 bulk_nurbs; /* number of URBs in bulk mode |
Antonio Ospite | dff369a | 2008-11-14 07:53:32 -0300 | [diff] [blame] | 59 | * - cannot be > MAX_NURBS |
| 60 | * - when 0 and bulk_size != 0 means |
| 61 | * 1 URB and submit done by subdriver */ |
Jean-Francois Moine | 6929dc6 | 2009-04-21 13:45:56 -0300 | [diff] [blame] | 62 | u8 bulk; /* image transfer by 0:isoc / 1:bulk */ |
Jean-Francois Moine | 49cb6b0 | 2009-04-25 13:29:01 -0300 | [diff] [blame] | 63 | u8 npkt; /* number of packets in an ISOC message |
| 64 | * 0 is the default value: 32 packets */ |
Hans de Goede | eb3fb7c | 2012-01-01 16:35:01 -0300 | [diff] [blame] | 65 | u8 needs_full_bandwidth;/* Set this flag to notify the bandwidth calc. |
| 66 | * code that the cam fills all image buffers to |
| 67 | * the max, even when using compression. */ |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 68 | }; |
| 69 | |
| 70 | struct gspca_dev; |
| 71 | struct gspca_frame; |
| 72 | |
| 73 | /* subdriver operations */ |
| 74 | typedef int (*cam_op) (struct gspca_dev *); |
| 75 | typedef void (*cam_v_op) (struct gspca_dev *); |
| 76 | typedef int (*cam_cf_op) (struct gspca_dev *, const struct usb_device_id *); |
Hans Verkuil | d88aab5 | 2012-09-17 05:05:25 -0300 | [diff] [blame] | 77 | typedef int (*cam_get_jpg_op) (struct gspca_dev *, |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 78 | struct v4l2_jpegcompression *); |
Hans Verkuil | d88aab5 | 2012-09-17 05:05:25 -0300 | [diff] [blame] | 79 | typedef int (*cam_set_jpg_op) (struct gspca_dev *, |
| 80 | const struct v4l2_jpegcompression *); |
Hans Verkuil | 977ba3b1 | 2013-03-24 08:28:46 -0300 | [diff] [blame] | 81 | typedef int (*cam_get_reg_op) (struct gspca_dev *, |
Brian Johnson | af1d9af | 2009-07-19 05:29:20 -0300 | [diff] [blame] | 82 | struct v4l2_dbg_register *); |
Hans Verkuil | 977ba3b1 | 2013-03-24 08:28:46 -0300 | [diff] [blame] | 83 | typedef int (*cam_set_reg_op) (struct gspca_dev *, |
| 84 | const struct v4l2_dbg_register *); |
Hans Verkuil | b1c85cc | 2013-05-29 06:59:42 -0300 | [diff] [blame] | 85 | typedef int (*cam_chip_info_op) (struct gspca_dev *, |
| 86 | struct v4l2_dbg_chip_info *); |
Jean-François Moine | 668f44a | 2010-12-25 13:46:14 -0300 | [diff] [blame] | 87 | typedef void (*cam_streamparm_op) (struct gspca_dev *, |
Jim Paris | 627a5ef | 2008-12-10 06:02:42 -0300 | [diff] [blame] | 88 | struct v4l2_streamparm *); |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 89 | typedef void (*cam_pkt_op) (struct gspca_dev *gspca_dev, |
Jean-Francois Moine | 76dd272 | 2009-11-13 09:21:03 -0300 | [diff] [blame] | 90 | u8 *data, |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 91 | int len); |
Márton Németh | 0274d42 | 2010-01-28 06:39:49 -0300 | [diff] [blame] | 92 | typedef int (*cam_int_pkt_op) (struct gspca_dev *gspca_dev, |
| 93 | u8 *data, |
| 94 | int len); |
Ondrej Zary | 7d687af | 2013-08-30 17:54:24 -0300 | [diff] [blame] | 95 | typedef void (*cam_format_op) (struct gspca_dev *gspca_dev, |
| 96 | struct v4l2_format *fmt); |
| 97 | typedef int (*cam_frmsize_op) (struct gspca_dev *gspca_dev, |
| 98 | struct v4l2_frmsizeenum *fsize); |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 99 | |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 100 | /* subdriver description */ |
| 101 | struct sd_desc { |
| 102 | /* information */ |
Jean-Francois Moine | a5ae206 | 2008-07-04 11:16:16 -0300 | [diff] [blame] | 103 | const char *name; /* sub-driver name */ |
Jean-Francois Moine | 012d6b0 | 2008-09-03 17:12:16 -0300 | [diff] [blame] | 104 | /* mandatory operations */ |
Hans de Goede | e2997a7 | 2008-04-23 08:09:12 -0300 | [diff] [blame] | 105 | cam_cf_op config; /* called on probe */ |
Jean-Francois Moine | 012d6b0 | 2008-09-03 17:12:16 -0300 | [diff] [blame] | 106 | cam_op init; /* called on probe and resume */ |
Hans Verkuil | 62bba5d | 2012-05-06 09:28:17 -0300 | [diff] [blame] | 107 | cam_op init_controls; /* called on probe */ |
Jean-Francois Moine | 1f53b0b | 2009-06-30 07:07:01 -0300 | [diff] [blame] | 108 | cam_op start; /* called on stream on after URBs creation */ |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 109 | cam_pkt_op pkt_scan; |
Jean-Francois Moine | c2446b3 | 2008-07-05 11:49:20 -0300 | [diff] [blame] | 110 | /* optional operations */ |
Jean-Francois Moine | 1f53b0b | 2009-06-30 07:07:01 -0300 | [diff] [blame] | 111 | cam_op isoc_init; /* called on stream on before getting the EP */ |
| 112 | cam_op isoc_nego; /* called when URB submit failed with NOSPC */ |
Jean-Francois Moine | 012d6b0 | 2008-09-03 17:12:16 -0300 | [diff] [blame] | 113 | cam_v_op stopN; /* called on stream off - main alt */ |
Jean-Francois Moine | 98522a7 | 2008-11-18 06:33:08 -0300 | [diff] [blame] | 114 | cam_v_op stop0; /* called on stream off & disconnect - alt 0 */ |
Jean-Francois Moine | c2446b3 | 2008-07-05 11:49:20 -0300 | [diff] [blame] | 115 | cam_v_op dq_callback; /* called when a frame has been dequeued */ |
Hans Verkuil | d88aab5 | 2012-09-17 05:05:25 -0300 | [diff] [blame] | 116 | cam_get_jpg_op get_jcomp; |
| 117 | cam_set_jpg_op set_jcomp; |
Jim Paris | 627a5ef | 2008-12-10 06:02:42 -0300 | [diff] [blame] | 118 | cam_streamparm_op get_streamparm; |
| 119 | cam_streamparm_op set_streamparm; |
Ondrej Zary | 7d687af | 2013-08-30 17:54:24 -0300 | [diff] [blame] | 120 | cam_format_op try_fmt; |
| 121 | cam_frmsize_op enum_framesizes; |
Brian Johnson | af1d9af | 2009-07-19 05:29:20 -0300 | [diff] [blame] | 122 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
Hans Verkuil | 977ba3b1 | 2013-03-24 08:28:46 -0300 | [diff] [blame] | 123 | cam_set_reg_op set_register; |
| 124 | cam_get_reg_op get_register; |
Hans Verkuil | b1c85cc | 2013-05-29 06:59:42 -0300 | [diff] [blame] | 125 | cam_chip_info_op get_chip_info; |
Brian Johnson | af1d9af | 2009-07-19 05:29:20 -0300 | [diff] [blame] | 126 | #endif |
Peter Senna Tschudin | 13a00fa | 2013-01-24 19:28:59 -0300 | [diff] [blame] | 127 | #if IS_ENABLED(CONFIG_INPUT) |
Márton Németh | 0274d42 | 2010-01-28 06:39:49 -0300 | [diff] [blame] | 128 | cam_int_pkt_op int_pkt_scan; |
Hans de Goede | ac82f59 | 2010-02-19 04:28:39 -0300 | [diff] [blame] | 129 | /* other_input makes the gspca core create gspca_dev->input even when |
| 130 | int_pkt_scan is NULL, for cams with non interrupt driven buttons */ |
| 131 | u8 other_input; |
Márton Németh | 0274d42 | 2010-01-28 06:39:49 -0300 | [diff] [blame] | 132 | #endif |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 133 | }; |
| 134 | |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 135 | /* packet types when moving from iso buf to frame buf */ |
Erik Andren | e293e59 | 2008-10-03 08:46:50 -0300 | [diff] [blame] | 136 | enum gspca_packet_type { |
| 137 | DISCARD_PACKET, |
| 138 | FIRST_PACKET, |
| 139 | INTER_PACKET, |
| 140 | LAST_PACKET |
| 141 | }; |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 142 | |
Hans Verkuil | 1f5965c | 2018-05-12 10:44:00 -0400 | [diff] [blame] | 143 | struct gspca_buffer { |
| 144 | struct vb2_v4l2_buffer vb; |
| 145 | struct list_head list; |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 146 | }; |
| 147 | |
Hans Verkuil | 1f5965c | 2018-05-12 10:44:00 -0400 | [diff] [blame] | 148 | static inline struct gspca_buffer *to_gspca_buffer(struct vb2_buffer *vb2) |
| 149 | { |
| 150 | return container_of(vb2, struct gspca_buffer, vb.vb2_buf); |
| 151 | } |
| 152 | |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 153 | struct gspca_dev { |
Jean-Francois Moine | a12ca6a | 2008-11-19 06:37:53 -0300 | [diff] [blame] | 154 | struct video_device vdev; /* !! must be the first item */ |
Jean-Francois Moine | 5c4fa002 | 2008-11-18 15:52:31 -0300 | [diff] [blame] | 155 | struct module *module; /* subdriver handling the device */ |
Hans Verkuil | 2333565 | 2012-05-06 09:28:19 -0300 | [diff] [blame] | 156 | struct v4l2_device v4l2_dev; |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 157 | struct usb_device *dev; |
Hans Verkuil | 1f5965c | 2018-05-12 10:44:00 -0400 | [diff] [blame] | 158 | |
Peter Senna Tschudin | 13a00fa | 2013-01-24 19:28:59 -0300 | [diff] [blame] | 159 | #if IS_ENABLED(CONFIG_INPUT) |
Márton Németh | 0274d42 | 2010-01-28 06:39:49 -0300 | [diff] [blame] | 160 | struct input_dev *input_dev; |
| 161 | char phys[64]; /* physical device path */ |
| 162 | #endif |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 163 | |
| 164 | struct cam cam; /* device information */ |
| 165 | const struct sd_desc *sd_desc; /* subdriver description */ |
Hans de Goede | a8a4786 | 2012-05-09 11:19:00 -0300 | [diff] [blame] | 166 | struct v4l2_ctrl_handler ctrl_handler; |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 167 | |
Hans de Goede | 8cd0584 | 2012-05-09 09:58:33 -0300 | [diff] [blame] | 168 | /* autogain and exposure or gain control cluster, these are global as |
| 169 | the autogain/exposure functions in autogain_functions.c use them */ |
| 170 | struct { |
| 171 | struct v4l2_ctrl *autogain; |
| 172 | struct v4l2_ctrl *exposure; |
| 173 | struct v4l2_ctrl *gain; |
| 174 | int exp_too_low_cnt, exp_too_high_cnt; |
| 175 | }; |
| 176 | |
Jean-Francois Moine | 8295d99 | 2008-09-03 17:12:19 -0300 | [diff] [blame] | 177 | #define USB_BUF_SZ 64 |
| 178 | __u8 *usb_buf; /* buffer for USB exchanges */ |
Jean-Francois Moine | d43fa32 | 2008-06-12 10:58:58 -0300 | [diff] [blame] | 179 | struct urb *urb[MAX_NURBS]; |
Peter Senna Tschudin | 13a00fa | 2013-01-24 19:28:59 -0300 | [diff] [blame] | 180 | #if IS_ENABLED(CONFIG_INPUT) |
Márton Németh | 0274d42 | 2010-01-28 06:39:49 -0300 | [diff] [blame] | 181 | struct urb *int_urb; |
| 182 | #endif |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 183 | |
Hans Verkuil | 1f5965c | 2018-05-12 10:44:00 -0400 | [diff] [blame] | 184 | u8 *image; /* image being filled */ |
Jean-François Moine | b192ca9 | 2010-06-27 03:08:19 -0300 | [diff] [blame] | 185 | u32 image_len; /* current length of image */ |
Jean-Francois Moine | ff37474 | 2008-10-23 07:29:51 -0300 | [diff] [blame] | 186 | __u8 last_packet_type; |
| 187 | __s8 empty_packet; /* if (-1) don't check empty packets */ |
Hans Verkuil | 1f5965c | 2018-05-12 10:44:00 -0400 | [diff] [blame] | 188 | bool streaming; |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 189 | |
Jean-Francois Moine | 6a7eba2 | 2008-06-30 15:50:11 -0300 | [diff] [blame] | 190 | __u8 curr_mode; /* current camera mode */ |
Ondrej Zary | 1966bc2 | 2013-08-30 17:54:23 -0300 | [diff] [blame] | 191 | struct v4l2_pix_format pixfmt; /* current mode parameters */ |
Jean-Francois Moine | ff37474 | 2008-10-23 07:29:51 -0300 | [diff] [blame] | 192 | __u32 sequence; /* frame sequence number */ |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 193 | |
Hans Verkuil | 1f5965c | 2018-05-12 10:44:00 -0400 | [diff] [blame] | 194 | struct vb2_queue queue; |
| 195 | |
| 196 | spinlock_t qlock; |
| 197 | struct list_head buf_list; |
| 198 | |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 199 | wait_queue_head_t wq; /* wait queue */ |
| 200 | struct mutex usb_lock; /* usb exchange protection */ |
Jean-Francois Moine | 8c4ebae | 2009-12-02 07:14:33 -0300 | [diff] [blame] | 201 | int usb_err; /* USB error - protected by usb_lock */ |
Jean-François Moine | 35680ba | 2010-07-14 06:30:18 -0300 | [diff] [blame] | 202 | u16 pkt_size; /* ISOC packet size */ |
Jean-Francois Moine | 6a70974 | 2008-09-03 16:48:10 -0300 | [diff] [blame] | 203 | #ifdef CONFIG_PM |
| 204 | char frozen; /* suspend - resume */ |
| 205 | #endif |
Hans Verkuil | 1f5965c | 2018-05-12 10:44:00 -0400 | [diff] [blame] | 206 | bool present; |
Jean-Francois Moine | d43fa32 | 2008-06-12 10:58:58 -0300 | [diff] [blame] | 207 | char memory; /* memory type (V4L2_MEMORY_xxx) */ |
Jean-Francois Moine | ff37474 | 2008-10-23 07:29:51 -0300 | [diff] [blame] | 208 | __u8 iface; /* USB interface number */ |
| 209 | __u8 alt; /* USB alternate setting */ |
Antonio Ospite | 2fe1524 | 2014-06-25 06:27:56 -0300 | [diff] [blame] | 210 | int xfer_ep; /* USB transfer endpoint address */ |
Jean-François Moine | 35680ba | 2010-07-14 06:30:18 -0300 | [diff] [blame] | 211 | u8 audio; /* presence of audio device */ |
Hans Verkuil | a3d6e8c | 2012-05-06 09:28:27 -0300 | [diff] [blame] | 212 | |
| 213 | /* (*) These variables are proteced by both usb_lock and queue_lock, |
| 214 | that is any code setting them is holding *both*, which means that |
| 215 | any code getting them needs to hold at least one of them */ |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 216 | }; |
| 217 | |
| 218 | int gspca_dev_probe(struct usb_interface *intf, |
| 219 | const struct usb_device_id *id, |
| 220 | const struct sd_desc *sd_desc, |
Jean-Francois Moine | d43fa32 | 2008-06-12 10:58:58 -0300 | [diff] [blame] | 221 | int dev_size, |
| 222 | struct module *module); |
Jean-François Moine | 4462864 | 2010-06-05 07:47:36 -0300 | [diff] [blame] | 223 | int gspca_dev_probe2(struct usb_interface *intf, |
| 224 | const struct usb_device_id *id, |
| 225 | const struct sd_desc *sd_desc, |
| 226 | int dev_size, |
| 227 | struct module *module); |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 228 | void gspca_disconnect(struct usb_interface *intf); |
Jean-Francois Moine | 76dd272 | 2009-11-13 09:21:03 -0300 | [diff] [blame] | 229 | void gspca_frame_add(struct gspca_dev *gspca_dev, |
| 230 | enum gspca_packet_type packet_type, |
| 231 | const u8 *data, |
| 232 | int len); |
Jean-Francois Moine | 6a70974 | 2008-09-03 16:48:10 -0300 | [diff] [blame] | 233 | #ifdef CONFIG_PM |
| 234 | int gspca_suspend(struct usb_interface *intf, pm_message_t message); |
| 235 | int gspca_resume(struct usb_interface *intf); |
| 236 | #endif |
Hans de Goede | 8cd0584 | 2012-05-09 09:58:33 -0300 | [diff] [blame] | 237 | int gspca_expo_autogain(struct gspca_dev *gspca_dev, int avg_lum, |
| 238 | int desired_avg_lum, int deadzone, int gain_knee, int exposure_knee); |
| 239 | int gspca_coarse_grained_expo_autogain(struct gspca_dev *gspca_dev, |
Antonio Ospite | 751e78d | 2014-06-04 09:03:40 -0300 | [diff] [blame] | 240 | int avg_lum, int desired_avg_lum, int deadzone); |
Hans de Goede | 8cd0584 | 2012-05-09 09:58:33 -0300 | [diff] [blame] | 241 | |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 242 | #endif /* GSPCAV2_H */ |