Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* (C) 1999-2003 Nemosoft Unv. |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 2 | (C) 2004-2006 Luc Saillard (luc@saillard.org) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | |
| 4 | NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx |
| 5 | driver and thus may have bugs that are not present in the original version. |
| 6 | Please send bug reports and support requests to <luc@saillard.org>. |
| 7 | The decompression routines have been implemented by reverse-engineering the |
| 8 | Nemosoft binary pwcx module. Caveat emptor. |
| 9 | |
| 10 | This program is free software; you can redistribute it and/or modify |
| 11 | it under the terms of the GNU General Public License as published by |
| 12 | the Free Software Foundation; either version 2 of the License, or |
| 13 | (at your option) any later version. |
| 14 | |
| 15 | This program is distributed in the hope that it will be useful, |
| 16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | GNU General Public License for more details. |
| 19 | |
| 20 | You should have received a copy of the GNU General Public License |
| 21 | along with this program; if not, write to the Free Software |
| 22 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 23 | */ |
| 24 | |
| 25 | #ifndef PWC_H |
| 26 | #define PWC_H |
| 27 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | #include <linux/module.h> |
| 29 | #include <linux/usb.h> |
| 30 | #include <linux/spinlock.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | #include <linux/wait.h> |
Matthias Kaehlcke | b9378fd | 2007-07-02 10:04:52 -0300 | [diff] [blame] | 32 | #include <linux/mutex.h> |
Mauro Carvalho Chehab | 38413fd | 2008-07-27 19:02:30 -0300 | [diff] [blame] | 33 | #include <linux/mm.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 34 | #include <linux/slab.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | #include <asm/errno.h> |
Hans Verkuil | 479567c | 2010-09-12 17:05:11 -0300 | [diff] [blame] | 36 | #include <linux/videodev2.h> |
Mauro Carvalho Chehab | 5e87efa | 2006-06-05 10:26:32 -0300 | [diff] [blame] | 37 | #include <media/v4l2-common.h> |
Hans de Goede | 76ae853 | 2011-07-19 07:14:22 -0300 | [diff] [blame] | 38 | #include <media/v4l2-device.h> |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 39 | #include <media/v4l2-ioctl.h> |
Hans de Goede | 6c9cac8 | 2011-06-26 12:52:01 -0300 | [diff] [blame] | 40 | #include <media/v4l2-ctrls.h> |
Hans de Goede | 76ae853 | 2011-07-19 07:14:22 -0300 | [diff] [blame] | 41 | #include <media/v4l2-fh.h> |
| 42 | #include <media/v4l2-event.h> |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 43 | #include <media/videobuf2-vmalloc.h> |
Nam Phạm Thành | e32a7ecc | 2009-01-12 02:50:17 -0300 | [diff] [blame] | 44 | #ifdef CONFIG_USB_PWC_INPUT_EVDEV |
| 45 | #include <linux/input.h> |
| 46 | #endif |
Hans de Goede | 56ae24a | 2012-01-08 11:29:19 -0300 | [diff] [blame] | 47 | #include "pwc-dec1.h" |
| 48 | #include "pwc-dec23.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 50 | /* Version block */ |
Mauro Carvalho Chehab | 880c35c | 2011-06-25 10:07:39 -0300 | [diff] [blame] | 51 | #define PWC_VERSION "10.0.15" |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 52 | #define PWC_NAME "pwc" |
| 53 | #define PFX PWC_NAME ": " |
| 54 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | |
| 56 | /* Trace certain actions in the driver */ |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 57 | #define PWC_DEBUG_LEVEL_MODULE (1<<0) |
| 58 | #define PWC_DEBUG_LEVEL_PROBE (1<<1) |
| 59 | #define PWC_DEBUG_LEVEL_OPEN (1<<2) |
| 60 | #define PWC_DEBUG_LEVEL_READ (1<<3) |
| 61 | #define PWC_DEBUG_LEVEL_MEMORY (1<<4) |
| 62 | #define PWC_DEBUG_LEVEL_FLOW (1<<5) |
| 63 | #define PWC_DEBUG_LEVEL_SIZE (1<<6) |
| 64 | #define PWC_DEBUG_LEVEL_IOCTL (1<<7) |
| 65 | #define PWC_DEBUG_LEVEL_TRACE (1<<8) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 67 | #define PWC_DEBUG_MODULE(fmt, args...) PWC_DEBUG(MODULE, fmt, ##args) |
| 68 | #define PWC_DEBUG_PROBE(fmt, args...) PWC_DEBUG(PROBE, fmt, ##args) |
| 69 | #define PWC_DEBUG_OPEN(fmt, args...) PWC_DEBUG(OPEN, fmt, ##args) |
| 70 | #define PWC_DEBUG_READ(fmt, args...) PWC_DEBUG(READ, fmt, ##args) |
| 71 | #define PWC_DEBUG_MEMORY(fmt, args...) PWC_DEBUG(MEMORY, fmt, ##args) |
| 72 | #define PWC_DEBUG_FLOW(fmt, args...) PWC_DEBUG(FLOW, fmt, ##args) |
| 73 | #define PWC_DEBUG_SIZE(fmt, args...) PWC_DEBUG(SIZE, fmt, ##args) |
| 74 | #define PWC_DEBUG_IOCTL(fmt, args...) PWC_DEBUG(IOCTL, fmt, ##args) |
| 75 | #define PWC_DEBUG_TRACE(fmt, args...) PWC_DEBUG(TRACE, fmt, ##args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | |
| 77 | |
Trent Piepho | 05ad390 | 2007-01-30 23:26:01 -0300 | [diff] [blame] | 78 | #ifdef CONFIG_USB_PWC_DEBUG |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 79 | |
| 80 | #define PWC_DEBUG_LEVEL (PWC_DEBUG_LEVEL_MODULE) |
| 81 | |
| 82 | #define PWC_DEBUG(level, fmt, args...) do {\ |
Hans de Goede | 1a4ede6 | 2011-06-25 17:10:51 -0300 | [diff] [blame] | 83 | if ((PWC_DEBUG_LEVEL_ ##level) & pwc_trace) \ |
| 84 | printk(KERN_DEBUG PFX fmt, ##args); \ |
| 85 | } while (0) |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 86 | |
| 87 | #define PWC_ERROR(fmt, args...) printk(KERN_ERR PFX fmt, ##args) |
| 88 | #define PWC_WARNING(fmt, args...) printk(KERN_WARNING PFX fmt, ##args) |
| 89 | #define PWC_INFO(fmt, args...) printk(KERN_INFO PFX fmt, ##args) |
| 90 | #define PWC_TRACE(fmt, args...) PWC_DEBUG(TRACE, fmt, ##args) |
| 91 | |
Luc Saillard | 9ee6d78 | 2007-04-22 23:54:36 -0300 | [diff] [blame] | 92 | #else /* if ! CONFIG_USB_PWC_DEBUG */ |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 93 | |
| 94 | #define PWC_ERROR(fmt, args...) printk(KERN_ERR PFX fmt, ##args) |
| 95 | #define PWC_WARNING(fmt, args...) printk(KERN_WARNING PFX fmt, ##args) |
| 96 | #define PWC_INFO(fmt, args...) printk(KERN_INFO PFX fmt, ##args) |
| 97 | #define PWC_TRACE(fmt, args...) do { } while(0) |
| 98 | #define PWC_DEBUG(level, fmt, args...) do { } while(0) |
| 99 | |
| 100 | #define pwc_trace 0 |
| 101 | |
| 102 | #endif |
| 103 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | /* Defines for ToUCam cameras */ |
| 105 | #define TOUCAM_HEADER_SIZE 8 |
| 106 | #define TOUCAM_TRAILER_SIZE 4 |
| 107 | |
| 108 | #define FEATURE_MOTOR_PANTILT 0x0001 |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 109 | #define FEATURE_CODEC1 0x0002 |
| 110 | #define FEATURE_CODEC2 0x0004 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 111 | |
Hans de Goede | 795e6eb | 2012-01-04 16:58:44 -0300 | [diff] [blame] | 112 | #define MAX_WIDTH 640 |
| 113 | #define MAX_HEIGHT 480 |
| 114 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 115 | /* Ignore errors in the first N frames, to allow for startup delays */ |
| 116 | #define FRAME_LOWMARK 5 |
| 117 | |
| 118 | /* Size and number of buffers for the ISO pipe. */ |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 119 | #define MAX_ISO_BUFS 3 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 120 | #define ISO_FRAMES_PER_DESC 10 |
| 121 | #define ISO_MAX_FRAME_SIZE 960 |
| 122 | #define ISO_BUFFER_SIZE (ISO_FRAMES_PER_DESC * ISO_MAX_FRAME_SIZE) |
| 123 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 124 | /* Maximum size after decompression is 640x480 YUV data, 1.5 * 640 * 480 */ |
| 125 | #define PWC_FRAME_SIZE (460800 + TOUCAM_HEADER_SIZE + TOUCAM_TRAILER_SIZE) |
| 126 | |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 127 | /* Absolute minimum and maximum number of buffers available for mmap() */ |
| 128 | #define MIN_FRAMES 2 |
| 129 | #define MAX_FRAMES 16 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 130 | |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 131 | /* Some macros to quickly find the type of a webcam */ |
| 132 | #define DEVICE_USE_CODEC1(x) ((x)<675) |
| 133 | #define DEVICE_USE_CODEC2(x) ((x)>=675 && (x)<700) |
| 134 | #define DEVICE_USE_CODEC3(x) ((x)>=700) |
| 135 | #define DEVICE_USE_CODEC23(x) ((x)>=675) |
| 136 | |
Hans de Goede | 6c9cac8 | 2011-06-26 12:52:01 -0300 | [diff] [blame] | 137 | /* Request types: video */ |
| 138 | #define SET_LUM_CTL 0x01 |
| 139 | #define GET_LUM_CTL 0x02 |
| 140 | #define SET_CHROM_CTL 0x03 |
| 141 | #define GET_CHROM_CTL 0x04 |
| 142 | #define SET_STATUS_CTL 0x05 |
| 143 | #define GET_STATUS_CTL 0x06 |
| 144 | #define SET_EP_STREAM_CTL 0x07 |
| 145 | #define GET_EP_STREAM_CTL 0x08 |
| 146 | #define GET_XX_CTL 0x09 |
| 147 | #define SET_XX_CTL 0x0A |
| 148 | #define GET_XY_CTL 0x0B |
| 149 | #define SET_XY_CTL 0x0C |
| 150 | #define SET_MPT_CTL 0x0D |
| 151 | #define GET_MPT_CTL 0x0E |
| 152 | |
| 153 | /* Selectors for the Luminance controls [GS]ET_LUM_CTL */ |
| 154 | #define AGC_MODE_FORMATTER 0x2000 |
| 155 | #define PRESET_AGC_FORMATTER 0x2100 |
| 156 | #define SHUTTER_MODE_FORMATTER 0x2200 |
| 157 | #define PRESET_SHUTTER_FORMATTER 0x2300 |
| 158 | #define PRESET_CONTOUR_FORMATTER 0x2400 |
| 159 | #define AUTO_CONTOUR_FORMATTER 0x2500 |
| 160 | #define BACK_LIGHT_COMPENSATION_FORMATTER 0x2600 |
| 161 | #define CONTRAST_FORMATTER 0x2700 |
| 162 | #define DYNAMIC_NOISE_CONTROL_FORMATTER 0x2800 |
| 163 | #define FLICKERLESS_MODE_FORMATTER 0x2900 |
| 164 | #define AE_CONTROL_SPEED 0x2A00 |
| 165 | #define BRIGHTNESS_FORMATTER 0x2B00 |
| 166 | #define GAMMA_FORMATTER 0x2C00 |
| 167 | |
| 168 | /* Selectors for the Chrominance controls [GS]ET_CHROM_CTL */ |
| 169 | #define WB_MODE_FORMATTER 0x1000 |
| 170 | #define AWB_CONTROL_SPEED_FORMATTER 0x1100 |
| 171 | #define AWB_CONTROL_DELAY_FORMATTER 0x1200 |
| 172 | #define PRESET_MANUAL_RED_GAIN_FORMATTER 0x1300 |
| 173 | #define PRESET_MANUAL_BLUE_GAIN_FORMATTER 0x1400 |
| 174 | #define COLOUR_MODE_FORMATTER 0x1500 |
| 175 | #define SATURATION_MODE_FORMATTER1 0x1600 |
| 176 | #define SATURATION_MODE_FORMATTER2 0x1700 |
| 177 | |
| 178 | /* Selectors for the Status controls [GS]ET_STATUS_CTL */ |
| 179 | #define SAVE_USER_DEFAULTS_FORMATTER 0x0200 |
| 180 | #define RESTORE_USER_DEFAULTS_FORMATTER 0x0300 |
| 181 | #define RESTORE_FACTORY_DEFAULTS_FORMATTER 0x0400 |
| 182 | #define READ_AGC_FORMATTER 0x0500 |
| 183 | #define READ_SHUTTER_FORMATTER 0x0600 |
| 184 | #define READ_RED_GAIN_FORMATTER 0x0700 |
| 185 | #define READ_BLUE_GAIN_FORMATTER 0x0800 |
| 186 | |
| 187 | /* Formatters for the motorized pan & tilt [GS]ET_MPT_CTL */ |
| 188 | #define PT_RELATIVE_CONTROL_FORMATTER 0x01 |
| 189 | #define PT_RESET_CONTROL_FORMATTER 0x02 |
| 190 | #define PT_STATUS_FORMATTER 0x03 |
| 191 | |
Hans de Goede | a08d2c7 | 2011-12-31 07:45:39 -0300 | [diff] [blame] | 192 | /* Enumeration of image sizes */ |
| 193 | #define PSZ_SQCIF 0x00 |
| 194 | #define PSZ_QSIF 0x01 |
| 195 | #define PSZ_QCIF 0x02 |
| 196 | #define PSZ_SIF 0x03 |
| 197 | #define PSZ_CIF 0x04 |
| 198 | #define PSZ_VGA 0x05 |
| 199 | #define PSZ_MAX 6 |
| 200 | |
| 201 | struct pwc_raw_frame { |
| 202 | __le16 type; /* type of the webcam */ |
| 203 | __le16 vbandlength; /* Size of 4 lines compressed (used by the |
| 204 | decompressor) */ |
| 205 | __u8 cmd[4]; /* the four byte of the command (in case of |
| 206 | nala, only the first 3 bytes is filled) */ |
| 207 | __u8 rawframe[0]; /* frame_size = H / 4 * vbandlength */ |
| 208 | } __packed; |
| 209 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 210 | /* intermediate buffers with raw data from the USB cam */ |
| 211 | struct pwc_frame_buf |
| 212 | { |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 213 | struct vb2_buffer vb; /* common v4l buffer stuff -- must be first */ |
| 214 | struct list_head list; |
| 215 | void *data; |
| 216 | int filled; /* number of bytes filled */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 217 | }; |
| 218 | |
| 219 | struct pwc_device |
| 220 | { |
Hans de Goede | 9a7b2d1 | 2011-06-06 14:43:39 -0300 | [diff] [blame] | 221 | struct video_device vdev; |
Hans de Goede | 76ae853 | 2011-07-19 07:14:22 -0300 | [diff] [blame] | 222 | struct v4l2_device v4l2_dev; |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 223 | |
Hans de Goede | ceede9f | 2012-05-09 04:43:12 -0300 | [diff] [blame] | 224 | /* videobuf2 queue and queued buffers list */ |
| 225 | struct vb2_queue vb_queue; |
| 226 | struct list_head queued_bufs; |
| 227 | spinlock_t queued_bufs_lock; /* Protects queued_bufs */ |
| 228 | |
Hans de Goede | cd5de262 | 2013-04-01 18:04:21 -0300 | [diff] [blame] | 229 | /* If taking both locks vb_queue_lock must always be locked first! */ |
Hans de Goede | ceede9f | 2012-05-09 04:43:12 -0300 | [diff] [blame] | 230 | struct mutex v4l2_lock; /* Protects everything else */ |
| 231 | struct mutex vb_queue_lock; /* Protects vb_queue and capt_file */ |
| 232 | |
| 233 | /* Pointer to our usb_device, will be NULL after unplug */ |
| 234 | struct usb_device *udev; /* Both mutexes most be hold when setting! */ |
Hans de Goede | c112713 | 2011-07-03 11:50:51 -0300 | [diff] [blame] | 235 | |
Hans de Goede | 1a4ede6 | 2011-06-25 17:10:51 -0300 | [diff] [blame] | 236 | /* type of cam (645, 646, 675, 680, 690, 720, 730, 740, 750) */ |
| 237 | int type; |
| 238 | int release; /* release number */ |
| 239 | int features; /* feature bits */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 240 | |
Hans de Goede | 1a4ede6 | 2011-06-25 17:10:51 -0300 | [diff] [blame] | 241 | /*** Video data ***/ |
Hans de Goede | 1a4ede6 | 2011-06-25 17:10:51 -0300 | [diff] [blame] | 242 | int vendpoint; /* video isoc endpoint */ |
| 243 | int vcinterface; /* video control interface */ |
| 244 | int valternate; /* alternate interface needed */ |
Hans de Goede | dc8a7e8 | 2011-12-31 10:52:02 -0300 | [diff] [blame] | 245 | int vframes; /* frames-per-second */ |
Hans de Goede | 1a4ede6 | 2011-06-25 17:10:51 -0300 | [diff] [blame] | 246 | int pixfmt; /* pixelformat: V4L2_PIX_FMT_YUV420 or _PWCX */ |
| 247 | int vframe_count; /* received frames */ |
| 248 | int vmax_packet_size; /* USB maxpacket size */ |
| 249 | int vlast_packet_size; /* for frame synchronisation */ |
| 250 | int visoc_errors; /* number of contiguous ISOC errors */ |
Hans de Goede | 1a4ede6 | 2011-06-25 17:10:51 -0300 | [diff] [blame] | 251 | int vbandlength; /* compressed band length; 0 is uncompressed */ |
Hans de Goede | 1a4ede6 | 2011-06-25 17:10:51 -0300 | [diff] [blame] | 252 | char vsync; /* used by isoc handler */ |
| 253 | char vmirror; /* for ToUCaM series */ |
Hans de Goede | 3b4d0ec | 2011-06-26 03:51:19 -0300 | [diff] [blame] | 254 | char power_save; /* Do powersaving for this cam */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 255 | |
Hans de Goede | 1a4ede6 | 2011-06-25 17:10:51 -0300 | [diff] [blame] | 256 | unsigned char cmd_buf[13]; |
Hans de Goede | 24be689 | 2012-01-10 17:02:04 -0300 | [diff] [blame] | 257 | unsigned char *ctrl_buf; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 258 | |
Hans de Goede | 04613c5 | 2011-06-26 13:57:15 -0300 | [diff] [blame] | 259 | struct urb *urbs[MAX_ISO_BUFS]; |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 260 | |
| 261 | /* |
| 262 | * Frame currently being filled, this only gets touched by the |
| 263 | * isoc urb complete handler, and by stream start / stop since |
| 264 | * start / stop touch it before / after starting / killing the urbs |
| 265 | * no locking is needed around this |
| 266 | */ |
| 267 | struct pwc_frame_buf *fill_buf; |
| 268 | |
Hans de Goede | 1a4ede6 | 2011-06-25 17:10:51 -0300 | [diff] [blame] | 269 | int frame_header_size, frame_trailer_size; |
| 270 | int frame_size; |
| 271 | int frame_total_size; /* including header & trailer */ |
| 272 | int drop_frames; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 273 | |
Hans de Goede | 56ae24a | 2012-01-08 11:29:19 -0300 | [diff] [blame] | 274 | union { /* private data for decompression engine */ |
| 275 | struct pwc_dec1_private dec1; |
| 276 | struct pwc_dec23_private dec23; |
| 277 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 278 | |
Hans de Goede | 1a4ede6 | 2011-06-25 17:10:51 -0300 | [diff] [blame] | 279 | /* |
| 280 | * We have an 'image' and a 'view', where 'image' is the fixed-size img |
| 281 | * as delivered by the camera, and 'view' is the size requested by the |
| 282 | * program. The camera image is centered in this viewport, laced with |
| 283 | * a gray or black border. view_min <= image <= view <= view_max; |
| 284 | */ |
| 285 | int image_mask; /* supported sizes */ |
Hans de Goede | 795e6eb | 2012-01-04 16:58:44 -0300 | [diff] [blame] | 286 | int width, height; /* current resolution */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 287 | |
Nam Phạm Thành | e32a7ecc | 2009-01-12 02:50:17 -0300 | [diff] [blame] | 288 | #ifdef CONFIG_USB_PWC_INPUT_EVDEV |
Hans de Goede | 1a4ede6 | 2011-06-25 17:10:51 -0300 | [diff] [blame] | 289 | struct input_dev *button_dev; /* webcam snapshot button input */ |
| 290 | char button_phys[64]; |
Nam Phạm Thành | e32a7ecc | 2009-01-12 02:50:17 -0300 | [diff] [blame] | 291 | #endif |
Hans de Goede | 6c9cac8 | 2011-06-26 12:52:01 -0300 | [diff] [blame] | 292 | |
| 293 | /* controls */ |
| 294 | struct v4l2_ctrl_handler ctrl_handler; |
| 295 | u16 saturation_fmt; |
| 296 | struct v4l2_ctrl *brightness; |
| 297 | struct v4l2_ctrl *contrast; |
| 298 | struct v4l2_ctrl *saturation; |
| 299 | struct v4l2_ctrl *gamma; |
| 300 | struct { |
| 301 | /* awb / red-blue balance cluster */ |
| 302 | struct v4l2_ctrl *auto_white_balance; |
| 303 | struct v4l2_ctrl *red_balance; |
| 304 | struct v4l2_ctrl *blue_balance; |
| 305 | /* usb ctrl transfers are slow, so we cache things */ |
| 306 | int color_bal_valid; |
| 307 | unsigned long last_color_bal_update; /* In jiffies */ |
| 308 | s32 last_red_balance; |
| 309 | s32 last_blue_balance; |
| 310 | }; |
| 311 | struct { |
| 312 | /* autogain / gain cluster */ |
| 313 | struct v4l2_ctrl *autogain; |
| 314 | struct v4l2_ctrl *gain; |
| 315 | int gain_valid; |
| 316 | unsigned long last_gain_update; /* In jiffies */ |
| 317 | s32 last_gain; |
| 318 | }; |
| 319 | struct { |
| 320 | /* exposure_auto / exposure cluster */ |
| 321 | struct v4l2_ctrl *exposure_auto; |
| 322 | struct v4l2_ctrl *exposure; |
| 323 | int exposure_valid; |
| 324 | unsigned long last_exposure_update; /* In jiffies */ |
| 325 | s32 last_exposure; |
| 326 | }; |
| 327 | struct v4l2_ctrl *colorfx; |
| 328 | struct { |
| 329 | /* autocontour/contour cluster */ |
| 330 | struct v4l2_ctrl *autocontour; |
| 331 | struct v4l2_ctrl *contour; |
| 332 | }; |
| 333 | struct v4l2_ctrl *backlight; |
| 334 | struct v4l2_ctrl *flicker; |
| 335 | struct v4l2_ctrl *noise_reduction; |
| 336 | struct v4l2_ctrl *save_user; |
| 337 | struct v4l2_ctrl *restore_user; |
| 338 | struct v4l2_ctrl *restore_factory; |
Hans de Goede | f4af6595 | 2011-10-09 09:56:23 -0300 | [diff] [blame] | 339 | struct v4l2_ctrl *awb_speed; |
| 340 | struct v4l2_ctrl *awb_delay; |
Hans de Goede | 294e289 | 2011-07-03 12:23:24 -0300 | [diff] [blame] | 341 | struct { |
| 342 | /* motor control cluster */ |
| 343 | struct v4l2_ctrl *motor_pan; |
| 344 | struct v4l2_ctrl *motor_tilt; |
| 345 | struct v4l2_ctrl *motor_pan_reset; |
| 346 | struct v4l2_ctrl *motor_tilt_reset; |
| 347 | }; |
Hans de Goede | 6c9cac8 | 2011-06-26 12:52:01 -0300 | [diff] [blame] | 348 | /* CODEC3 models have both gain and exposure controlled by autogain */ |
| 349 | struct v4l2_ctrl *autogain_expo_cluster[3]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 350 | }; |
| 351 | |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 352 | /* Global variables */ |
Trent Piepho | 05ad390 | 2007-01-30 23:26:01 -0300 | [diff] [blame] | 353 | #ifdef CONFIG_USB_PWC_DEBUG |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 354 | extern int pwc_trace; |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 355 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 356 | |
| 357 | /** Functions in pwc-misc.c */ |
| 358 | /* sizes in pixels */ |
Hans de Goede | 795e6eb | 2012-01-04 16:58:44 -0300 | [diff] [blame] | 359 | extern const int pwc_image_sizes[PSZ_MAX][2]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 360 | |
Hans de Goede | 795e6eb | 2012-01-04 16:58:44 -0300 | [diff] [blame] | 361 | int pwc_get_size(struct pwc_device *pdev, int width, int height); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 362 | void pwc_construct(struct pwc_device *pdev); |
| 363 | |
| 364 | /** Functions in pwc-ctrl.c */ |
| 365 | /* Request a certain video mode. Returns < 0 if not possible */ |
Hans de Goede | dc8a7e8 | 2011-12-31 10:52:02 -0300 | [diff] [blame] | 366 | extern int pwc_set_video_mode(struct pwc_device *pdev, int width, int height, |
Hans de Goede | 938d5b9 | 2012-01-10 13:14:46 -0300 | [diff] [blame] | 367 | int pixfmt, int frames, int *compression, int send_to_cam); |
Luc Saillard | 9ee6d78 | 2007-04-22 23:54:36 -0300 | [diff] [blame] | 368 | extern unsigned int pwc_get_fps(struct pwc_device *pdev, unsigned int index, unsigned int size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 369 | extern int pwc_set_leds(struct pwc_device *pdev, int on_value, int off_value); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 370 | extern int pwc_get_cmos_sensor(struct pwc_device *pdev, int *sensor); |
Hans de Goede | 294e289 | 2011-07-03 12:23:24 -0300 | [diff] [blame] | 371 | extern int send_control_msg(struct pwc_device *pdev, |
| 372 | u8 request, u16 value, void *buf, int buflen); |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 373 | |
Hans de Goede | 6c9cac8 | 2011-06-26 12:52:01 -0300 | [diff] [blame] | 374 | /* Control get / set helpers */ |
| 375 | int pwc_get_u8_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *data); |
| 376 | int pwc_set_u8_ctrl(struct pwc_device *pdev, u8 request, u16 value, u8 data); |
| 377 | int pwc_get_s8_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *data); |
| 378 | #define pwc_set_s8_ctrl pwc_set_u8_ctrl |
| 379 | int pwc_get_u16_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *dat); |
| 380 | int pwc_set_u16_ctrl(struct pwc_device *pdev, u8 request, u16 value, u16 data); |
| 381 | int pwc_button_ctrl(struct pwc_device *pdev, u16 value); |
| 382 | int pwc_init_controls(struct pwc_device *pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 383 | |
| 384 | /* Power down or up the camera; not supported by all models */ |
Hans de Goede | 3b4d0ec | 2011-06-26 03:51:19 -0300 | [diff] [blame] | 385 | extern void pwc_camera_power(struct pwc_device *pdev, int power); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 386 | |
Hans Verkuil | afa3852 | 2011-01-22 06:34:55 -0300 | [diff] [blame] | 387 | extern const struct v4l2_ioctl_ops pwc_ioctl_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 388 | |
| 389 | /** pwc-uncompress.c */ |
| 390 | /* Expand frame to image, possibly including decompression. Uses read_frame and fill_image */ |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 391 | int pwc_decompress(struct pwc_device *pdev, struct pwc_frame_buf *fbuf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 392 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 393 | #endif |