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Diffstat (limited to 'drivers/media/video/pwc/pwc-ioctl.h')
-rw-r--r-- | drivers/media/video/pwc/pwc-ioctl.h | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/drivers/media/video/pwc/pwc-ioctl.h b/drivers/media/video/pwc/pwc-ioctl.h new file mode 100644 index 000000000000..5f9cb08bc02e --- /dev/null +++ b/drivers/media/video/pwc/pwc-ioctl.h | |||
@@ -0,0 +1,292 @@ | |||
1 | #ifndef PWC_IOCTL_H | ||
2 | #define PWC_IOCTL_H | ||
3 | |||
4 | /* (C) 2001-2004 Nemosoft Unv. | ||
5 | (C) 2004 Luc Saillard (luc@saillard.org) | ||
6 | |||
7 | NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx | ||
8 | driver and thus may have bugs that are not present in the original version. | ||
9 | Please send bug reports and support requests to <luc@saillard.org>. | ||
10 | The decompression routines have been implemented by reverse-engineering the | ||
11 | Nemosoft binary pwcx module. Caveat emptor. | ||
12 | |||
13 | This program is free software; you can redistribute it and/or modify | ||
14 | it under the terms of the GNU General Public License as published by | ||
15 | the Free Software Foundation; either version 2 of the License, or | ||
16 | (at your option) any later version. | ||
17 | |||
18 | This program is distributed in the hope that it will be useful, | ||
19 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
20 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
21 | GNU General Public License for more details. | ||
22 | |||
23 | You should have received a copy of the GNU General Public License | ||
24 | along with this program; if not, write to the Free Software | ||
25 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
26 | */ | ||
27 | |||
28 | /* This is pwc-ioctl.h belonging to PWC 8.12.1 | ||
29 | It contains structures and defines to communicate from user space | ||
30 | directly to the driver. | ||
31 | */ | ||
32 | |||
33 | /* | ||
34 | Changes | ||
35 | 2001/08/03 Alvarado Added ioctl constants to access methods for | ||
36 | changing white balance and red/blue gains | ||
37 | 2002/12/15 G. H. Fernandez-Toribio VIDIOCGREALSIZE | ||
38 | 2003/12/13 Nemosft Unv. Some modifications to make interfacing to | ||
39 | PWCX easier | ||
40 | */ | ||
41 | |||
42 | /* These are private ioctl() commands, specific for the Philips webcams. | ||
43 | They contain functions not found in other webcams, and settings not | ||
44 | specified in the Video4Linux API. | ||
45 | |||
46 | The #define names are built up like follows: | ||
47 | VIDIOC VIDeo IOCtl prefix | ||
48 | PWC Philps WebCam | ||
49 | G optional: Get | ||
50 | S optional: Set | ||
51 | ... the function | ||
52 | */ | ||
53 | |||
54 | |||
55 | /* Enumeration of image sizes */ | ||
56 | #define PSZ_SQCIF 0x00 | ||
57 | #define PSZ_QSIF 0x01 | ||
58 | #define PSZ_QCIF 0x02 | ||
59 | #define PSZ_SIF 0x03 | ||
60 | #define PSZ_CIF 0x04 | ||
61 | #define PSZ_VGA 0x05 | ||
62 | #define PSZ_MAX 6 | ||
63 | |||
64 | |||
65 | /* The frame rate is encoded in the video_window.flags parameter using | ||
66 | the upper 16 bits, since some flags are defined nowadays. The following | ||
67 | defines provide a mask and shift to filter out this value. | ||
68 | |||
69 | In 'Snapshot' mode the camera freezes its automatic exposure and colour | ||
70 | balance controls. | ||
71 | */ | ||
72 | #define PWC_FPS_SHIFT 16 | ||
73 | #define PWC_FPS_MASK 0x00FF0000 | ||
74 | #define PWC_FPS_FRMASK 0x003F0000 | ||
75 | #define PWC_FPS_SNAPSHOT 0x00400000 | ||
76 | |||
77 | |||
78 | /* structure for transferring x & y coordinates */ | ||
79 | struct pwc_coord | ||
80 | { | ||
81 | int x, y; /* guess what */ | ||
82 | int size; /* size, or offset */ | ||
83 | }; | ||
84 | |||
85 | |||
86 | /* Used with VIDIOCPWCPROBE */ | ||
87 | struct pwc_probe | ||
88 | { | ||
89 | char name[32]; | ||
90 | int type; | ||
91 | }; | ||
92 | |||
93 | struct pwc_serial | ||
94 | { | ||
95 | char serial[30]; /* String with serial number. Contains terminating 0 */ | ||
96 | }; | ||
97 | |||
98 | /* pwc_whitebalance.mode values */ | ||
99 | #define PWC_WB_INDOOR 0 | ||
100 | #define PWC_WB_OUTDOOR 1 | ||
101 | #define PWC_WB_FL 2 | ||
102 | #define PWC_WB_MANUAL 3 | ||
103 | #define PWC_WB_AUTO 4 | ||
104 | |||
105 | /* Used with VIDIOCPWC[SG]AWB (Auto White Balance). | ||
106 | Set mode to one of the PWC_WB_* values above. | ||
107 | *red and *blue are the respective gains of these colour components inside | ||
108 | the camera; range 0..65535 | ||
109 | When 'mode' == PWC_WB_MANUAL, 'manual_red' and 'manual_blue' are set or read; | ||
110 | otherwise undefined. | ||
111 | 'read_red' and 'read_blue' are read-only. | ||
112 | */ | ||
113 | struct pwc_whitebalance | ||
114 | { | ||
115 | int mode; | ||
116 | int manual_red, manual_blue; /* R/W */ | ||
117 | int read_red, read_blue; /* R/O */ | ||
118 | }; | ||
119 | |||
120 | /* | ||
121 | 'control_speed' and 'control_delay' are used in automatic whitebalance mode, | ||
122 | and tell the camera how fast it should react to changes in lighting, and | ||
123 | with how much delay. Valid values are 0..65535. | ||
124 | */ | ||
125 | struct pwc_wb_speed | ||
126 | { | ||
127 | int control_speed; | ||
128 | int control_delay; | ||
129 | |||
130 | }; | ||
131 | |||
132 | /* Used with VIDIOCPWC[SG]LED */ | ||
133 | struct pwc_leds | ||
134 | { | ||
135 | int led_on; /* Led on-time; range = 0..25000 */ | ||
136 | int led_off; /* Led off-time; range = 0..25000 */ | ||
137 | }; | ||
138 | |||
139 | /* Image size (used with GREALSIZE) */ | ||
140 | struct pwc_imagesize | ||
141 | { | ||
142 | int width; | ||
143 | int height; | ||
144 | }; | ||
145 | |||
146 | /* Defines and structures for Motorized Pan & Tilt */ | ||
147 | #define PWC_MPT_PAN 0x01 | ||
148 | #define PWC_MPT_TILT 0x02 | ||
149 | #define PWC_MPT_TIMEOUT 0x04 /* for status */ | ||
150 | |||
151 | /* Set angles; when absolute != 0, the angle is absolute and the | ||
152 | driver calculates the relative offset for you. This can only | ||
153 | be used with VIDIOCPWCSANGLE; VIDIOCPWCGANGLE always returns | ||
154 | absolute angles. | ||
155 | */ | ||
156 | struct pwc_mpt_angles | ||
157 | { | ||
158 | int absolute; /* write-only */ | ||
159 | int pan; /* degrees * 100 */ | ||
160 | int tilt; /* degress * 100 */ | ||
161 | }; | ||
162 | |||
163 | /* Range of angles of the camera, both horizontally and vertically. | ||
164 | */ | ||
165 | struct pwc_mpt_range | ||
166 | { | ||
167 | int pan_min, pan_max; /* degrees * 100 */ | ||
168 | int tilt_min, tilt_max; | ||
169 | }; | ||
170 | |||
171 | struct pwc_mpt_status | ||
172 | { | ||
173 | int status; | ||
174 | int time_pan; | ||
175 | int time_tilt; | ||
176 | }; | ||
177 | |||
178 | |||
179 | /* This is used for out-of-kernel decompression. With it, you can get | ||
180 | all the necessary information to initialize and use the decompressor | ||
181 | routines in standalone applications. | ||
182 | */ | ||
183 | struct pwc_video_command | ||
184 | { | ||
185 | int type; /* camera type (645, 675, 730, etc.) */ | ||
186 | int release; /* release number */ | ||
187 | |||
188 | int size; /* one of PSZ_* */ | ||
189 | int alternate; | ||
190 | int command_len; /* length of USB video command */ | ||
191 | unsigned char command_buf[13]; /* Actual USB video command */ | ||
192 | int bandlength; /* >0 = compressed */ | ||
193 | int frame_size; /* Size of one (un)compressed frame */ | ||
194 | }; | ||
195 | |||
196 | /* Flags for PWCX subroutines. Not all modules honour all flags. */ | ||
197 | #define PWCX_FLAG_PLANAR 0x0001 | ||
198 | #define PWCX_FLAG_BAYER 0x0008 | ||
199 | |||
200 | |||
201 | /* IOCTL definitions */ | ||
202 | |||
203 | /* Restore user settings */ | ||
204 | #define VIDIOCPWCRUSER _IO('v', 192) | ||
205 | /* Save user settings */ | ||
206 | #define VIDIOCPWCSUSER _IO('v', 193) | ||
207 | /* Restore factory settings */ | ||
208 | #define VIDIOCPWCFACTORY _IO('v', 194) | ||
209 | |||
210 | /* You can manipulate the compression factor. A compression preference of 0 | ||
211 | means use uncompressed modes when available; 1 is low compression, 2 is | ||
212 | medium and 3 is high compression preferred. Of course, the higher the | ||
213 | compression, the lower the bandwidth used but more chance of artefacts | ||
214 | in the image. The driver automatically chooses a higher compression when | ||
215 | the preferred mode is not available. | ||
216 | */ | ||
217 | /* Set preferred compression quality (0 = uncompressed, 3 = highest compression) */ | ||
218 | #define VIDIOCPWCSCQUAL _IOW('v', 195, int) | ||
219 | /* Get preferred compression quality */ | ||
220 | #define VIDIOCPWCGCQUAL _IOR('v', 195, int) | ||
221 | |||
222 | |||
223 | /* Retrieve serial number of camera */ | ||
224 | #define VIDIOCPWCGSERIAL _IOR('v', 198, struct pwc_serial) | ||
225 | |||
226 | /* This is a probe function; since so many devices are supported, it | ||
227 | becomes difficult to include all the names in programs that want to | ||
228 | check for the enhanced Philips stuff. So in stead, try this PROBE; | ||
229 | it returns a structure with the original name, and the corresponding | ||
230 | Philips type. | ||
231 | To use, fill the structure with zeroes, call PROBE and if that succeeds, | ||
232 | compare the name with that returned from VIDIOCGCAP; they should be the | ||
233 | same. If so, you can be assured it is a Philips (OEM) cam and the type | ||
234 | is valid. | ||
235 | */ | ||
236 | #define VIDIOCPWCPROBE _IOR('v', 199, struct pwc_probe) | ||
237 | |||
238 | /* Set AGC (Automatic Gain Control); int < 0 = auto, 0..65535 = fixed */ | ||
239 | #define VIDIOCPWCSAGC _IOW('v', 200, int) | ||
240 | /* Get AGC; int < 0 = auto; >= 0 = fixed, range 0..65535 */ | ||
241 | #define VIDIOCPWCGAGC _IOR('v', 200, int) | ||
242 | /* Set shutter speed; int < 0 = auto; >= 0 = fixed, range 0..65535 */ | ||
243 | #define VIDIOCPWCSSHUTTER _IOW('v', 201, int) | ||
244 | |||
245 | /* Color compensation (Auto White Balance) */ | ||
246 | #define VIDIOCPWCSAWB _IOW('v', 202, struct pwc_whitebalance) | ||
247 | #define VIDIOCPWCGAWB _IOR('v', 202, struct pwc_whitebalance) | ||
248 | |||
249 | /* Auto WB speed */ | ||
250 | #define VIDIOCPWCSAWBSPEED _IOW('v', 203, struct pwc_wb_speed) | ||
251 | #define VIDIOCPWCGAWBSPEED _IOR('v', 203, struct pwc_wb_speed) | ||
252 | |||
253 | /* LEDs on/off/blink; int range 0..65535 */ | ||
254 | #define VIDIOCPWCSLED _IOW('v', 205, struct pwc_leds) | ||
255 | #define VIDIOCPWCGLED _IOR('v', 205, struct pwc_leds) | ||
256 | |||
257 | /* Contour (sharpness); int < 0 = auto, 0..65536 = fixed */ | ||
258 | #define VIDIOCPWCSCONTOUR _IOW('v', 206, int) | ||
259 | #define VIDIOCPWCGCONTOUR _IOR('v', 206, int) | ||
260 | |||
261 | /* Backlight compensation; 0 = off, otherwise on */ | ||
262 | #define VIDIOCPWCSBACKLIGHT _IOW('v', 207, int) | ||
263 | #define VIDIOCPWCGBACKLIGHT _IOR('v', 207, int) | ||
264 | |||
265 | /* Flickerless mode; = 0 off, otherwise on */ | ||
266 | #define VIDIOCPWCSFLICKER _IOW('v', 208, int) | ||
267 | #define VIDIOCPWCGFLICKER _IOR('v', 208, int) | ||
268 | |||
269 | /* Dynamic noise reduction; 0 off, 3 = high noise reduction */ | ||
270 | #define VIDIOCPWCSDYNNOISE _IOW('v', 209, int) | ||
271 | #define VIDIOCPWCGDYNNOISE _IOR('v', 209, int) | ||
272 | |||
273 | /* Real image size as used by the camera; tells you whether or not there's a gray border around the image */ | ||
274 | #define VIDIOCPWCGREALSIZE _IOR('v', 210, struct pwc_imagesize) | ||
275 | |||
276 | /* Motorized pan & tilt functions */ | ||
277 | #define VIDIOCPWCMPTRESET _IOW('v', 211, int) | ||
278 | #define VIDIOCPWCMPTGRANGE _IOR('v', 211, struct pwc_mpt_range) | ||
279 | #define VIDIOCPWCMPTSANGLE _IOW('v', 212, struct pwc_mpt_angles) | ||
280 | #define VIDIOCPWCMPTGANGLE _IOR('v', 212, struct pwc_mpt_angles) | ||
281 | #define VIDIOCPWCMPTSTATUS _IOR('v', 213, struct pwc_mpt_status) | ||
282 | |||
283 | /* Get the USB set-video command; needed for initializing libpwcx */ | ||
284 | #define VIDIOCPWCGVIDCMD _IOR('v', 215, struct pwc_video_command) | ||
285 | struct pwc_table_init_buffer { | ||
286 | int len; | ||
287 | char *buffer; | ||
288 | |||
289 | }; | ||
290 | #define VIDIOCPWCGVIDTABLE _IOR('v', 216, struct pwc_table_init_buffer) | ||
291 | |||
292 | #endif | ||