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1da177e4 LT |
1 | /**************************************************************************** |
2 | * | |
3 | * Filename: stv680.h | |
4 | * | |
5 | * Description: | |
6 | * This is a USB driver for STV0680 based usb video cameras. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
d56410e0 | 12 | * |
1da177e4 LT |
13 | * This program is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
d56410e0 | 17 | * |
1da177e4 LT |
18 | * You should have received a copy of the GNU General Public License |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
21 | * | |
22 | ****************************************************************************/ | |
23 | ||
24 | /* size of usb transfers */ | |
25 | #define STV680_PACKETSIZE 4096 | |
26 | ||
27 | /* number of queued bulk transfers to use, may have problems if > 1 */ | |
28 | #define STV680_NUMSBUF 1 | |
29 | ||
30 | /* number of frames supported by the v4l part */ | |
31 | #define STV680_NUMFRAMES 2 | |
32 | ||
33 | /* scratch buffers for passing data to the decoders: 2 or 4 are good */ | |
34 | #define STV680_NUMSCRATCH 2 | |
35 | ||
36 | /* number of nul sized packets to receive before kicking the camera */ | |
37 | #define STV680_MAX_NULLPACKETS 200 | |
38 | ||
39 | /* number of decoding errors before kicking the camera */ | |
40 | #define STV680_MAX_ERRORS 100 | |
41 | ||
42 | #define USB_PENCAM_VENDOR_ID 0x0553 | |
43 | #define USB_PENCAM_PRODUCT_ID 0x0202 | |
16367877 KJ |
44 | |
45 | #define USB_CREATIVEGOMINI_VENDOR_ID 0x041e | |
46 | #define USB_CREATIVEGOMINI_PRODUCT_ID 0x4007 | |
47 | ||
1da177e4 LT |
48 | #define PENCAM_TIMEOUT 1000 |
49 | /* fmt 4 */ | |
50 | #define STV_VIDEO_PALETTE VIDEO_PALETTE_RGB24 | |
51 | ||
52 | static struct usb_device_id device_table[] = { | |
53 | {USB_DEVICE (USB_PENCAM_VENDOR_ID, USB_PENCAM_PRODUCT_ID)}, | |
16367877 | 54 | {USB_DEVICE (USB_CREATIVEGOMINI_VENDOR_ID, USB_CREATIVEGOMINI_PRODUCT_ID)}, |
1da177e4 LT |
55 | {} |
56 | }; | |
57 | MODULE_DEVICE_TABLE (usb, device_table); | |
58 | ||
59 | struct stv680_sbuf { | |
60 | unsigned char *data; | |
61 | }; | |
62 | ||
63 | enum { | |
64 | FRAME_UNUSED, /* Unused (no MCAPTURE) */ | |
65 | FRAME_READY, /* Ready to start grabbing */ | |
66 | FRAME_GRABBING, /* In the process of being grabbed into */ | |
67 | FRAME_DONE, /* Finished grabbing, but not been synced yet */ | |
68 | FRAME_ERROR, /* Something bad happened while processing */ | |
69 | }; | |
70 | ||
71 | enum { | |
72 | BUFFER_UNUSED, | |
73 | BUFFER_READY, | |
74 | BUFFER_BUSY, | |
75 | BUFFER_DONE, | |
76 | }; | |
77 | ||
78 | /* raw camera data <- sbuf (urb transfer buf) */ | |
79 | struct stv680_scratch { | |
80 | unsigned char *data; | |
81 | volatile int state; | |
82 | int offset; | |
83 | int length; | |
84 | }; | |
85 | ||
86 | /* processed data for display ends up here, after bayer */ | |
87 | struct stv680_frame { | |
88 | unsigned char *data; /* Frame buffer */ | |
89 | volatile int grabstate; /* State of grabbing */ | |
90 | unsigned char *curline; | |
91 | int curlinepix; | |
92 | int curpix; | |
93 | }; | |
94 | ||
95 | /* this is almost the video structure uvd_t, with extra parameters for stv */ | |
96 | struct usb_stv { | |
97 | struct video_device *vdev; | |
98 | ||
99 | struct usb_device *udev; | |
100 | ||
101 | unsigned char bulk_in_endpointAddr; /* __u8 the address of the bulk in endpoint */ | |
102 | char *camera_name; | |
103 | ||
104 | unsigned int VideoMode; /* 0x0100 = VGA, 0x0000 = CIF, 0x0300 = QVGA */ | |
105 | int SupportedModes; | |
106 | int CIF; | |
107 | int VGA; | |
108 | int QVGA; | |
109 | int cwidth; /* camera width */ | |
110 | int cheight; /* camera height */ | |
111 | int maxwidth; /* max video width */ | |
112 | int maxheight; /* max video height */ | |
113 | int vwidth; /* current width for video window */ | |
114 | int vheight; /* current height for video window */ | |
115 | unsigned long int rawbufsize; | |
116 | unsigned long int maxframesize; /* rawbufsize * 3 for RGB */ | |
117 | ||
118 | int origGain; | |
119 | int origMode; /* original camera mode */ | |
120 | ||
4186ecf8 | 121 | struct mutex lock; /* to lock the structure */ |
1da177e4 LT |
122 | int user; /* user count for exclusive use */ |
123 | int removed; /* device disconnected */ | |
124 | int streaming; /* Are we streaming video? */ | |
125 | char *fbuf; /* Videodev buffer area */ | |
126 | struct urb *urb[STV680_NUMSBUF]; /* # of queued bulk transfers */ | |
127 | int curframe; /* Current receiving frame */ | |
128 | struct stv680_frame frame[STV680_NUMFRAMES]; /* # frames supported by v4l part */ | |
129 | int readcount; | |
130 | int framecount; | |
131 | int error; | |
132 | int dropped; | |
133 | int scratch_next; | |
134 | int scratch_use; | |
135 | int scratch_overflow; | |
136 | struct stv680_scratch scratch[STV680_NUMSCRATCH]; /* for decoders */ | |
137 | struct stv680_sbuf sbuf[STV680_NUMSBUF]; | |
138 | ||
139 | unsigned int brightness; | |
140 | unsigned int chgbright; | |
141 | unsigned int whiteness; | |
142 | unsigned int colour; | |
143 | unsigned int contrast; | |
144 | unsigned int hue; | |
145 | unsigned int palette; | |
146 | unsigned int depth; /* rgb24 in bits */ | |
147 | ||
148 | wait_queue_head_t wq; /* Processes waiting */ | |
149 | ||
150 | int nullpackets; | |
151 | }; | |
152 | ||
153 | ||
4c4c9432 | 154 | static const unsigned char red[256] = { |
d56410e0 MCC |
155 | 0, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, |
156 | 18, 18, 18, 18, 18, 18, 18, 25, 30, 35, 38, 42, | |
157 | 44, 47, 50, 53, 54, 57, 59, 61, 63, 65, 67, 69, | |
158 | 71, 71, 73, 75, 77, 78, 80, 81, 82, 84, 85, 87, | |
159 | 88, 89, 90, 91, 93, 94, 95, 97, 98, 98, 99, 101, | |
160 | 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, | |
161 | 114, 115, 116, 116, 117, 118, 119, 120, 121, 122, 123, 124, | |
162 | 125, 125, 126, 127, 128, 129, 129, 130, 131, 132, 133, 134, | |
163 | 134, 135, 135, 136, 137, 138, 139, 140, 140, 141, 142, 143, | |
164 | 143, 143, 144, 145, 146, 147, 147, 148, 149, 150, 150, 151, | |
165 | 152, 152, 152, 153, 154, 154, 155, 156, 157, 157, 158, 159, | |
166 | 159, 160, 161, 161, 161, 162, 163, 163, 164, 165, 165, 166, | |
167 | 167, 167, 168, 168, 169, 170, 170, 170, 171, 171, 172, 173, | |
168 | 173, 174, 174, 175, 176, 176, 177, 178, 178, 179, 179, 179, | |
169 | 180, 180, 181, 181, 182, 183, 183, 184, 184, 185, 185, 186, | |
170 | 187, 187, 188, 188, 188, 188, 189, 190, 190, 191, 191, 192, | |
171 | 192, 193, 193, 194, 195, 195, 196, 196, 197, 197, 197, 197, | |
172 | 198, 198, 199, 199, 200, 201, 201, 202, 202, 203, 203, 204, | |
173 | 204, 205, 205, 206, 206, 206, 206, 207, 207, 208, 208, 209, | |
174 | 209, 210, 210, 211, 211, 212, 212, 213, 213, 214, 214, 215, | |
175 | 215, 215, 215, 216, 216, 217, 217, 218, 218, 218, 219, 219, | |
176 | 220, 220, 221, 221 | |
177 | }; | |
1da177e4 | 178 | |
4c4c9432 | 179 | static const unsigned char green[256] = { |
d56410e0 MCC |
180 | 0, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, |
181 | 21, 21, 21, 21, 21, 21, 21, 28, 34, 39, 43, 47, | |
182 | 50, 53, 56, 59, 61, 64, 66, 68, 71, 73, 75, 77, | |
183 | 79, 80, 82, 84, 86, 87, 89, 91, 92, 94, 95, 97, | |
184 | 98, 100, 101, 102, 104, 105, 106, 108, 109, 110, 111, 113, | |
185 | 114, 115, 116, 117, 118, 120, 121, 122, 123, 124, 125, 126, | |
186 | 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, | |
187 | 139, 140, 141, 142, 143, 144, 144, 145, 146, 147, 148, 149, | |
188 | 150, 151, 151, 152, 153, 154, 155, 156, 156, 157, 158, 159, | |
189 | 160, 160, 161, 162, 163, 164, 164, 165, 166, 167, 167, 168, | |
190 | 169, 170, 170, 171, 172, 172, 173, 174, 175, 175, 176, 177, | |
191 | 177, 178, 179, 179, 180, 181, 182, 182, 183, 184, 184, 185, | |
192 | 186, 186, 187, 187, 188, 189, 189, 190, 191, 191, 192, 193, | |
193 | 193, 194, 194, 195, 196, 196, 197, 198, 198, 199, 199, 200, | |
194 | 201, 201, 202, 202, 203, 204, 204, 205, 205, 206, 206, 207, | |
195 | 208, 208, 209, 209, 210, 210, 211, 212, 212, 213, 213, 214, | |
196 | 214, 215, 215, 216, 217, 217, 218, 218, 219, 219, 220, 220, | |
197 | 221, 221, 222, 222, 223, 224, 224, 225, 225, 226, 226, 227, | |
198 | 227, 228, 228, 229, 229, 230, 230, 231, 231, 232, 232, 233, | |
199 | 233, 234, 234, 235, 235, 236, 236, 237, 237, 238, 238, 239, | |
200 | 239, 240, 240, 241, 241, 242, 242, 243, 243, 243, 244, 244, | |
201 | 245, 245, 246, 246 | |
202 | }; | |
1da177e4 | 203 | |
4c4c9432 | 204 | static const unsigned char blue[256] = { |
d56410e0 MCC |
205 | 0, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, |
206 | 23, 23, 23, 23, 23, 23, 23, 30, 37, 42, 47, 51, | |
207 | 55, 58, 61, 64, 67, 70, 72, 74, 78, 80, 82, 84, | |
208 | 86, 88, 90, 92, 94, 95, 97, 100, 101, 103, 104, 106, | |
209 | 107, 110, 111, 112, 114, 115, 116, 118, 119, 121, 122, 124, | |
210 | 125, 126, 127, 128, 129, 132, 133, 134, 135, 136, 137, 138, | |
211 | 139, 140, 141, 143, 144, 145, 146, 147, 148, 149, 150, 151, | |
212 | 152, 154, 155, 156, 157, 158, 158, 159, 160, 161, 162, 163, | |
213 | 165, 166, 166, 167, 168, 169, 170, 171, 171, 172, 173, 174, | |
214 | 176, 176, 177, 178, 179, 180, 180, 181, 182, 183, 183, 184, | |
215 | 185, 187, 187, 188, 189, 189, 190, 191, 192, 192, 193, 194, | |
216 | 194, 195, 196, 196, 198, 199, 200, 200, 201, 202, 202, 203, | |
217 | 204, 204, 205, 205, 206, 207, 207, 209, 210, 210, 211, 212, | |
218 | 212, 213, 213, 214, 215, 215, 216, 217, 217, 218, 218, 220, | |
219 | 221, 221, 222, 222, 223, 224, 224, 225, 225, 226, 226, 227, | |
220 | 228, 228, 229, 229, 231, 231, 232, 233, 233, 234, 234, 235, | |
221 | 235, 236, 236, 237, 238, 238, 239, 239, 240, 240, 242, 242, | |
222 | 243, 243, 244, 244, 245, 246, 246, 247, 247, 248, 248, 249, | |
223 | 249, 250, 250, 251, 251, 253, 253, 254, 254, 255, 255, 255, | |
224 | 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, | |
225 | 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, | |
226 | 255, 255, 255, 255 | |
227 | }; |