Merge branch 'for-2.6.30' into for-2.6.31
[linux-2.6] / drivers / media / video / gspca / sunplus.c
1 /*
2  *              Sunplus spca504(abc) spca533 spca536 library
3  *              Copyright (C) 2005 Michel Xhaard mxhaard@magic.fr
4  *
5  * V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20  */
21
22 #define MODULE_NAME "sunplus"
23
24 #include "gspca.h"
25 #include "jpeg.h"
26
27 MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
28 MODULE_DESCRIPTION("GSPCA/SPCA5xx USB Camera Driver");
29 MODULE_LICENSE("GPL");
30
31 /* specific webcam descriptor */
32 struct sd {
33         struct gspca_dev gspca_dev;     /* !! must be the first item */
34
35         __u8 packet[ISO_MAX_SIZE + 128];
36                                 /* !! no more than 128 ff in an ISO packet */
37
38         unsigned char brightness;
39         unsigned char contrast;
40         unsigned char colors;
41         unsigned char autogain;
42         u8 quality;
43 #define QUALITY_MIN 70
44 #define QUALITY_MAX 95
45 #define QUALITY_DEF 85
46
47         char bridge;
48 #define BRIDGE_SPCA504 0
49 #define BRIDGE_SPCA504B 1
50 #define BRIDGE_SPCA504C 2
51 #define BRIDGE_SPCA533 3
52 #define BRIDGE_SPCA536 4
53         char subtype;
54 #define AiptekMiniPenCam13 1
55 #define LogitechClickSmart420 2
56 #define LogitechClickSmart820 3
57 #define MegapixV4 4
58
59         u8 *jpeg_hdr;
60 };
61
62 /* V4L2 controls supported by the driver */
63 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
64 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
65 static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
66 static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);
67 static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val);
68 static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val);
69 static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val);
70 static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val);
71
72 static struct ctrl sd_ctrls[] = {
73 #define SD_BRIGHTNESS 0
74         {
75             {
76                 .id      = V4L2_CID_BRIGHTNESS,
77                 .type    = V4L2_CTRL_TYPE_INTEGER,
78                 .name    = "Brightness",
79                 .minimum = 0,
80                 .maximum = 0xff,
81                 .step    = 1,
82                 .default_value = 0,
83             },
84             .set = sd_setbrightness,
85             .get = sd_getbrightness,
86         },
87 #define SD_CONTRAST 1
88         {
89             {
90                 .id      = V4L2_CID_CONTRAST,
91                 .type    = V4L2_CTRL_TYPE_INTEGER,
92                 .name    = "Contrast",
93                 .minimum = 0,
94                 .maximum = 0xff,
95                 .step    = 1,
96                 .default_value = 0x20,
97             },
98             .set = sd_setcontrast,
99             .get = sd_getcontrast,
100         },
101 #define SD_COLOR 2
102         {
103             {
104                 .id      = V4L2_CID_SATURATION,
105                 .type    = V4L2_CTRL_TYPE_INTEGER,
106                 .name    = "Color",
107                 .minimum = 0,
108                 .maximum = 0xff,
109                 .step    = 1,
110                 .default_value = 0x1a,
111             },
112             .set = sd_setcolors,
113             .get = sd_getcolors,
114         },
115 #define SD_AUTOGAIN 3
116         {
117             {
118                 .id      = V4L2_CID_AUTOGAIN,
119                 .type    = V4L2_CTRL_TYPE_BOOLEAN,
120                 .name    = "Auto Gain",
121                 .minimum = 0,
122                 .maximum = 1,
123                 .step    = 1,
124                 .default_value = 1,
125             },
126             .set = sd_setautogain,
127             .get = sd_getautogain,
128         },
129 };
130
131 static const struct v4l2_pix_format vga_mode[] = {
132         {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
133                 .bytesperline = 320,
134                 .sizeimage = 320 * 240 * 3 / 8 + 590,
135                 .colorspace = V4L2_COLORSPACE_JPEG,
136                 .priv = 2},
137         {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
138                 .bytesperline = 640,
139                 .sizeimage = 640 * 480 * 3 / 8 + 590,
140                 .colorspace = V4L2_COLORSPACE_JPEG,
141                 .priv = 1},
142 };
143
144 static const struct v4l2_pix_format custom_mode[] = {
145         {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
146                 .bytesperline = 320,
147                 .sizeimage = 320 * 240 * 3 / 8 + 590,
148                 .colorspace = V4L2_COLORSPACE_JPEG,
149                 .priv = 2},
150         {464, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
151                 .bytesperline = 464,
152                 .sizeimage = 464 * 480 * 3 / 8 + 590,
153                 .colorspace = V4L2_COLORSPACE_JPEG,
154                 .priv = 1},
155 };
156
157 static const struct v4l2_pix_format vga_mode2[] = {
158         {176, 144, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
159                 .bytesperline = 176,
160                 .sizeimage = 176 * 144 * 3 / 8 + 590,
161                 .colorspace = V4L2_COLORSPACE_JPEG,
162                 .priv = 4},
163         {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
164                 .bytesperline = 320,
165                 .sizeimage = 320 * 240 * 3 / 8 + 590,
166                 .colorspace = V4L2_COLORSPACE_JPEG,
167                 .priv = 3},
168         {352, 288, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
169                 .bytesperline = 352,
170                 .sizeimage = 352 * 288 * 3 / 8 + 590,
171                 .colorspace = V4L2_COLORSPACE_JPEG,
172                 .priv = 2},
173         {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
174                 .bytesperline = 640,
175                 .sizeimage = 640 * 480 * 3 / 8 + 590,
176                 .colorspace = V4L2_COLORSPACE_JPEG,
177                 .priv = 1},
178 };
179
180 #define SPCA50X_OFFSET_DATA 10
181 #define SPCA504_PCCAM600_OFFSET_SNAPSHOT 3
182 #define SPCA504_PCCAM600_OFFSET_COMPRESS 4
183 #define SPCA504_PCCAM600_OFFSET_MODE     5
184 #define SPCA504_PCCAM600_OFFSET_DATA     14
185  /* Frame packet header offsets for the spca533 */
186 #define SPCA533_OFFSET_DATA      16
187 #define SPCA533_OFFSET_FRAMSEQ  15
188 /* Frame packet header offsets for the spca536 */
189 #define SPCA536_OFFSET_DATA      4
190 #define SPCA536_OFFSET_FRAMSEQ   1
191
192 /* Initialisation data for the Creative PC-CAM 600 */
193 static const __u16 spca504_pccam600_init_data[][3] = {
194 /*      {0xa0, 0x0000, 0x0503},  * capture mode */
195         {0x00, 0x0000, 0x2000},
196         {0x00, 0x0013, 0x2301},
197         {0x00, 0x0003, 0x2000},
198         {0x00, 0x0001, 0x21ac},
199         {0x00, 0x0001, 0x21a6},
200         {0x00, 0x0000, 0x21a7}, /* brightness */
201         {0x00, 0x0020, 0x21a8}, /* contrast */
202         {0x00, 0x0001, 0x21ac}, /* sat/hue */
203         {0x00, 0x0000, 0x21ad}, /* hue */
204         {0x00, 0x001a, 0x21ae}, /* saturation */
205         {0x00, 0x0002, 0x21a3}, /* gamma */
206         {0x30, 0x0154, 0x0008},
207         {0x30, 0x0004, 0x0006},
208         {0x30, 0x0258, 0x0009},
209         {0x30, 0x0004, 0x0000},
210         {0x30, 0x0093, 0x0004},
211         {0x30, 0x0066, 0x0005},
212         {0x00, 0x0000, 0x2000},
213         {0x00, 0x0013, 0x2301},
214         {0x00, 0x0003, 0x2000},
215         {0x00, 0x0013, 0x2301},
216         {0x00, 0x0003, 0x2000},
217         {}
218 };
219
220 /* Creative PC-CAM 600 specific open data, sent before using the
221  * generic initialisation data from spca504_open_data.
222  */
223 static const __u16 spca504_pccam600_open_data[][3] = {
224         {0x00, 0x0001, 0x2501},
225         {0x20, 0x0500, 0x0001}, /* snapshot mode */
226         {0x00, 0x0003, 0x2880},
227         {0x00, 0x0001, 0x2881},
228         {}
229 };
230
231 /* Initialisation data for the logitech clicksmart 420 */
232 static const __u16 spca504A_clicksmart420_init_data[][3] = {
233 /*      {0xa0, 0x0000, 0x0503},  * capture mode */
234         {0x00, 0x0000, 0x2000},
235         {0x00, 0x0013, 0x2301},
236         {0x00, 0x0003, 0x2000},
237         {0x00, 0x0001, 0x21ac},
238         {0x00, 0x0001, 0x21a6},
239         {0x00, 0x0000, 0x21a7}, /* brightness */
240         {0x00, 0x0020, 0x21a8}, /* contrast */
241         {0x00, 0x0001, 0x21ac}, /* sat/hue */
242         {0x00, 0x0000, 0x21ad}, /* hue */
243         {0x00, 0x001a, 0x21ae}, /* saturation */
244         {0x00, 0x0002, 0x21a3}, /* gamma */
245         {0x30, 0x0004, 0x000a},
246         {0xb0, 0x0001, 0x0000},
247
248
249         {0x0a1, 0x0080, 0x0001},
250         {0x30, 0x0049, 0x0000},
251         {0x30, 0x0060, 0x0005},
252         {0x0c, 0x0004, 0x0000},
253         {0x00, 0x0000, 0x0000},
254         {0x00, 0x0000, 0x2000},
255         {0x00, 0x0013, 0x2301},
256         {0x00, 0x0003, 0x2000},
257         {0x00, 0x0000, 0x2000},
258
259         {}
260 };
261
262 /* clicksmart 420 open data ? */
263 static const __u16 spca504A_clicksmart420_open_data[][3] = {
264         {0x00, 0x0001, 0x2501},
265         {0x20, 0x0502, 0x0000},
266         {0x06, 0x0000, 0x0000},
267         {0x00, 0x0004, 0x2880},
268         {0x00, 0x0001, 0x2881},
269 /* look like setting a qTable */
270         {0x00, 0x0006, 0x2800},
271         {0x00, 0x0004, 0x2801},
272         {0x00, 0x0004, 0x2802},
273         {0x00, 0x0006, 0x2803},
274         {0x00, 0x000a, 0x2804},
275         {0x00, 0x0010, 0x2805},
276         {0x00, 0x0014, 0x2806},
277         {0x00, 0x0018, 0x2807},
278         {0x00, 0x0005, 0x2808},
279         {0x00, 0x0005, 0x2809},
280         {0x00, 0x0006, 0x280a},
281         {0x00, 0x0008, 0x280b},
282         {0x00, 0x000a, 0x280c},
283         {0x00, 0x0017, 0x280d},
284         {0x00, 0x0018, 0x280e},
285         {0x00, 0x0016, 0x280f},
286
287         {0x00, 0x0006, 0x2810},
288         {0x00, 0x0005, 0x2811},
289         {0x00, 0x0006, 0x2812},
290         {0x00, 0x000a, 0x2813},
291         {0x00, 0x0010, 0x2814},
292         {0x00, 0x0017, 0x2815},
293         {0x00, 0x001c, 0x2816},
294         {0x00, 0x0016, 0x2817},
295         {0x00, 0x0006, 0x2818},
296         {0x00, 0x0007, 0x2819},
297         {0x00, 0x0009, 0x281a},
298         {0x00, 0x000c, 0x281b},
299         {0x00, 0x0014, 0x281c},
300         {0x00, 0x0023, 0x281d},
301         {0x00, 0x0020, 0x281e},
302         {0x00, 0x0019, 0x281f},
303
304         {0x00, 0x0007, 0x2820},
305         {0x00, 0x0009, 0x2821},
306         {0x00, 0x000f, 0x2822},
307         {0x00, 0x0016, 0x2823},
308         {0x00, 0x001b, 0x2824},
309         {0x00, 0x002c, 0x2825},
310         {0x00, 0x0029, 0x2826},
311         {0x00, 0x001f, 0x2827},
312         {0x00, 0x000a, 0x2828},
313         {0x00, 0x000e, 0x2829},
314         {0x00, 0x0016, 0x282a},
315         {0x00, 0x001a, 0x282b},
316         {0x00, 0x0020, 0x282c},
317         {0x00, 0x002a, 0x282d},
318         {0x00, 0x002d, 0x282e},
319         {0x00, 0x0025, 0x282f},
320
321         {0x00, 0x0014, 0x2830},
322         {0x00, 0x001a, 0x2831},
323         {0x00, 0x001f, 0x2832},
324         {0x00, 0x0023, 0x2833},
325         {0x00, 0x0029, 0x2834},
326         {0x00, 0x0030, 0x2835},
327         {0x00, 0x0030, 0x2836},
328         {0x00, 0x0028, 0x2837},
329         {0x00, 0x001d, 0x2838},
330         {0x00, 0x0025, 0x2839},
331         {0x00, 0x0026, 0x283a},
332         {0x00, 0x0027, 0x283b},
333         {0x00, 0x002d, 0x283c},
334         {0x00, 0x0028, 0x283d},
335         {0x00, 0x0029, 0x283e},
336         {0x00, 0x0028, 0x283f},
337
338         {0x00, 0x0007, 0x2840},
339         {0x00, 0x0007, 0x2841},
340         {0x00, 0x000a, 0x2842},
341         {0x00, 0x0013, 0x2843},
342         {0x00, 0x0028, 0x2844},
343         {0x00, 0x0028, 0x2845},
344         {0x00, 0x0028, 0x2846},
345         {0x00, 0x0028, 0x2847},
346         {0x00, 0x0007, 0x2848},
347         {0x00, 0x0008, 0x2849},
348         {0x00, 0x000a, 0x284a},
349         {0x00, 0x001a, 0x284b},
350         {0x00, 0x0028, 0x284c},
351         {0x00, 0x0028, 0x284d},
352         {0x00, 0x0028, 0x284e},
353         {0x00, 0x0028, 0x284f},
354
355         {0x00, 0x000a, 0x2850},
356         {0x00, 0x000a, 0x2851},
357         {0x00, 0x0016, 0x2852},
358         {0x00, 0x0028, 0x2853},
359         {0x00, 0x0028, 0x2854},
360         {0x00, 0x0028, 0x2855},
361         {0x00, 0x0028, 0x2856},
362         {0x00, 0x0028, 0x2857},
363         {0x00, 0x0013, 0x2858},
364         {0x00, 0x001a, 0x2859},
365         {0x00, 0x0028, 0x285a},
366         {0x00, 0x0028, 0x285b},
367         {0x00, 0x0028, 0x285c},
368         {0x00, 0x0028, 0x285d},
369         {0x00, 0x0028, 0x285e},
370         {0x00, 0x0028, 0x285f},
371
372         {0x00, 0x0028, 0x2860},
373         {0x00, 0x0028, 0x2861},
374         {0x00, 0x0028, 0x2862},
375         {0x00, 0x0028, 0x2863},
376         {0x00, 0x0028, 0x2864},
377         {0x00, 0x0028, 0x2865},
378         {0x00, 0x0028, 0x2866},
379         {0x00, 0x0028, 0x2867},
380         {0x00, 0x0028, 0x2868},
381         {0x00, 0x0028, 0x2869},
382         {0x00, 0x0028, 0x286a},
383         {0x00, 0x0028, 0x286b},
384         {0x00, 0x0028, 0x286c},
385         {0x00, 0x0028, 0x286d},
386         {0x00, 0x0028, 0x286e},
387         {0x00, 0x0028, 0x286f},
388
389         {0x00, 0x0028, 0x2870},
390         {0x00, 0x0028, 0x2871},
391         {0x00, 0x0028, 0x2872},
392         {0x00, 0x0028, 0x2873},
393         {0x00, 0x0028, 0x2874},
394         {0x00, 0x0028, 0x2875},
395         {0x00, 0x0028, 0x2876},
396         {0x00, 0x0028, 0x2877},
397         {0x00, 0x0028, 0x2878},
398         {0x00, 0x0028, 0x2879},
399         {0x00, 0x0028, 0x287a},
400         {0x00, 0x0028, 0x287b},
401         {0x00, 0x0028, 0x287c},
402         {0x00, 0x0028, 0x287d},
403         {0x00, 0x0028, 0x287e},
404         {0x00, 0x0028, 0x287f},
405
406         {0xa0, 0x0000, 0x0503},
407         {}
408 };
409
410 static const __u8 qtable_creative_pccam[2][64] = {
411         {                               /* Q-table Y-components */
412          0x05, 0x03, 0x03, 0x05, 0x07, 0x0c, 0x0f, 0x12,
413          0x04, 0x04, 0x04, 0x06, 0x08, 0x11, 0x12, 0x11,
414          0x04, 0x04, 0x05, 0x07, 0x0c, 0x11, 0x15, 0x11,
415          0x04, 0x05, 0x07, 0x09, 0x0f, 0x1a, 0x18, 0x13,
416          0x05, 0x07, 0x0b, 0x11, 0x14, 0x21, 0x1f, 0x17,
417          0x07, 0x0b, 0x11, 0x13, 0x18, 0x1f, 0x22, 0x1c,
418          0x0f, 0x13, 0x17, 0x1a, 0x1f, 0x24, 0x24, 0x1e,
419          0x16, 0x1c, 0x1d, 0x1d, 0x22, 0x1e, 0x1f, 0x1e},
420         {                               /* Q-table C-components */
421          0x05, 0x05, 0x07, 0x0e, 0x1e, 0x1e, 0x1e, 0x1e,
422          0x05, 0x06, 0x08, 0x14, 0x1e, 0x1e, 0x1e, 0x1e,
423          0x07, 0x08, 0x11, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
424          0x0e, 0x14, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
425          0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
426          0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
427          0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
428          0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e}
429 };
430
431 /* FIXME: This Q-table is identical to the Creative PC-CAM one,
432  *              except for one byte. Possibly a typo?
433  *              NWG: 18/05/2003.
434  */
435 static const __u8 qtable_spca504_default[2][64] = {
436         {                               /* Q-table Y-components */
437          0x05, 0x03, 0x03, 0x05, 0x07, 0x0c, 0x0f, 0x12,
438          0x04, 0x04, 0x04, 0x06, 0x08, 0x11, 0x12, 0x11,
439          0x04, 0x04, 0x05, 0x07, 0x0c, 0x11, 0x15, 0x11,
440          0x04, 0x05, 0x07, 0x09, 0x0f, 0x1a, 0x18, 0x13,
441          0x05, 0x07, 0x0b, 0x11, 0x14, 0x21, 0x1f, 0x17,
442          0x07, 0x0b, 0x11, 0x13, 0x18, 0x1f, 0x22, 0x1c,
443          0x0f, 0x13, 0x17, 0x1a, 0x1f, 0x24, 0x24, 0x1e,
444          0x16, 0x1c, 0x1d, 0x1d, 0x1d /* 0x22 */ , 0x1e, 0x1f, 0x1e,
445          },
446         {                               /* Q-table C-components */
447          0x05, 0x05, 0x07, 0x0e, 0x1e, 0x1e, 0x1e, 0x1e,
448          0x05, 0x06, 0x08, 0x14, 0x1e, 0x1e, 0x1e, 0x1e,
449          0x07, 0x08, 0x11, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
450          0x0e, 0x14, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
451          0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
452          0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
453          0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
454          0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e}
455 };
456
457 /* read <len> bytes to gspca_dev->usb_buf */
458 static void reg_r(struct gspca_dev *gspca_dev,
459                   __u16 req,
460                   __u16 index,
461                   __u16 len)
462 {
463 #ifdef GSPCA_DEBUG
464         if (len > USB_BUF_SZ) {
465                 err("reg_r: buffer overflow");
466                 return;
467         }
468 #endif
469         usb_control_msg(gspca_dev->dev,
470                         usb_rcvctrlpipe(gspca_dev->dev, 0),
471                         req,
472                         USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
473                         0,              /* value */
474                         index,
475                         len ? gspca_dev->usb_buf : NULL, len,
476                         500);
477 }
478
479 /* write <len> bytes from gspca_dev->usb_buf */
480 static void reg_w(struct gspca_dev *gspca_dev,
481                    __u16 req,
482                    __u16 value,
483                    __u16 index,
484                    __u16 len)
485 {
486 #ifdef GSPCA_DEBUG
487         if (len > USB_BUF_SZ) {
488                 err("reg_w: buffer overflow");
489                 return;
490         }
491 #endif
492         usb_control_msg(gspca_dev->dev,
493                         usb_sndctrlpipe(gspca_dev->dev, 0),
494                         req,
495                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
496                         value, index,
497                         len ? gspca_dev->usb_buf : NULL, len,
498                         500);
499 }
500
501 /* write req / index / value */
502 static int reg_w_riv(struct usb_device *dev,
503                      __u16 req, __u16 index, __u16 value)
504 {
505         int ret;
506
507         ret = usb_control_msg(dev,
508                         usb_sndctrlpipe(dev, 0),
509                         req,
510                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
511                         value, index, NULL, 0, 500);
512         PDEBUG(D_USBO, "reg write: 0x%02x,0x%02x:0x%02x, %d",
513                 req, index, value, ret);
514         if (ret < 0)
515                 PDEBUG(D_ERR, "reg write: error %d", ret);
516         return ret;
517 }
518
519 /* read 1 byte */
520 static int reg_r_1(struct gspca_dev *gspca_dev,
521                         __u16 value)    /* wValue */
522 {
523         int ret;
524
525         ret = usb_control_msg(gspca_dev->dev,
526                         usb_rcvctrlpipe(gspca_dev->dev, 0),
527                         0x20,                   /* request */
528                         USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
529                         value,
530                         0,                      /* index */
531                         gspca_dev->usb_buf, 1,
532                         500);                   /* timeout */
533         if (ret < 0) {
534                 PDEBUG(D_ERR, "reg_r_1 err %d", ret);
535                 return 0;
536         }
537         return gspca_dev->usb_buf[0];
538 }
539
540 /* read 1 or 2 bytes - returns < 0 if error */
541 static int reg_r_12(struct gspca_dev *gspca_dev,
542                         __u16 req,      /* bRequest */
543                         __u16 index,    /* wIndex */
544                         __u16 length)   /* wLength (1 or 2 only) */
545 {
546         int ret;
547
548         gspca_dev->usb_buf[1] = 0;
549         ret = usb_control_msg(gspca_dev->dev,
550                         usb_rcvctrlpipe(gspca_dev->dev, 0),
551                         req,
552                         USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
553                         0,              /* value */
554                         index,
555                         gspca_dev->usb_buf, length,
556                         500);
557         if (ret < 0) {
558                 PDEBUG(D_ERR, "reg_read err %d", ret);
559                 return -1;
560         }
561         return (gspca_dev->usb_buf[1] << 8) + gspca_dev->usb_buf[0];
562 }
563
564 static int write_vector(struct gspca_dev *gspca_dev,
565                         const __u16 data[][3])
566 {
567         struct usb_device *dev = gspca_dev->dev;
568         int ret, i = 0;
569
570         while (data[i][0] != 0 || data[i][1] != 0 || data[i][2] != 0) {
571                 ret = reg_w_riv(dev, data[i][0], data[i][2], data[i][1]);
572                 if (ret < 0) {
573                         PDEBUG(D_ERR,
574                                 "Register write failed for 0x%x,0x%x,0x%x",
575                                 data[i][0], data[i][1], data[i][2]);
576                         return ret;
577                 }
578                 i++;
579         }
580         return 0;
581 }
582
583 static int spca50x_setup_qtable(struct gspca_dev *gspca_dev,
584                                 unsigned int request,
585                                 unsigned int ybase,
586                                 unsigned int cbase,
587                                 const __u8 qtable[2][64])
588 {
589         struct usb_device *dev = gspca_dev->dev;
590         int i, err;
591
592         /* loop over y components */
593         for (i = 0; i < 64; i++) {
594                 err = reg_w_riv(dev, request, ybase + i, qtable[0][i]);
595                 if (err < 0)
596                         return err;
597         }
598
599         /* loop over c components */
600         for (i = 0; i < 64; i++) {
601                 err = reg_w_riv(dev, request, cbase + i, qtable[1][i]);
602                 if (err < 0)
603                         return err;
604         }
605         return 0;
606 }
607
608 static void spca504_acknowledged_command(struct gspca_dev *gspca_dev,
609                              __u16 req, __u16 idx, __u16 val)
610 {
611         struct usb_device *dev = gspca_dev->dev;
612         __u8 notdone;
613
614         reg_w_riv(dev, req, idx, val);
615         notdone = reg_r_12(gspca_dev, 0x01, 0x0001, 1);
616         reg_w_riv(dev, req, idx, val);
617
618         PDEBUG(D_FRAM, "before wait 0x%x", notdone);
619
620         msleep(200);
621         notdone = reg_r_12(gspca_dev, 0x01, 0x0001, 1);
622         PDEBUG(D_FRAM, "after wait 0x%x", notdone);
623 }
624
625 static void spca504A_acknowledged_command(struct gspca_dev *gspca_dev,
626                         __u16 req,
627                         __u16 idx, __u16 val, __u8 stat, __u8 count)
628 {
629         struct usb_device *dev = gspca_dev->dev;
630         __u8 status;
631         __u8 endcode;
632
633         reg_w_riv(dev, req, idx, val);
634         status = reg_r_12(gspca_dev, 0x01, 0x0001, 1);
635         endcode = stat;
636         PDEBUG(D_FRAM, "Status 0x%x Need 0x%x", status, stat);
637         if (!count)
638                 return;
639         count = 200;
640         while (--count > 0) {
641                 msleep(10);
642                 /* gsmart mini2 write a each wait setting 1 ms is enought */
643 /*              reg_w_riv(dev, req, idx, val); */
644                 status = reg_r_12(gspca_dev, 0x01, 0x0001, 1);
645                 if (status == endcode) {
646                         PDEBUG(D_FRAM, "status 0x%x after wait 0x%x",
647                                 status, 200 - count);
648                                 break;
649                 }
650         }
651 }
652
653 static int spca504B_PollingDataReady(struct gspca_dev *gspca_dev)
654 {
655         int count = 10;
656
657         while (--count > 0) {
658                 reg_r(gspca_dev, 0x21, 0, 1);
659                 if ((gspca_dev->usb_buf[0] & 0x01) == 0)
660                         break;
661                 msleep(10);
662         }
663         return gspca_dev->usb_buf[0];
664 }
665
666 static void spca504B_WaitCmdStatus(struct gspca_dev *gspca_dev)
667 {
668         int count = 50;
669
670         while (--count > 0) {
671                 reg_r(gspca_dev, 0x21, 1, 1);
672                 if (gspca_dev->usb_buf[0] != 0) {
673                         gspca_dev->usb_buf[0] = 0;
674                         reg_w(gspca_dev, 0x21, 0, 1, 1);
675                         reg_r(gspca_dev, 0x21, 1, 1);
676                         spca504B_PollingDataReady(gspca_dev);
677                         break;
678                 }
679                 msleep(10);
680         }
681 }
682
683 static void spca50x_GetFirmware(struct gspca_dev *gspca_dev)
684 {
685         __u8 *data;
686
687         data = gspca_dev->usb_buf;
688         reg_r(gspca_dev, 0x20, 0, 5);
689         PDEBUG(D_STREAM, "FirmWare : %d %d %d %d %d ",
690                 data[0], data[1], data[2], data[3], data[4]);
691         reg_r(gspca_dev, 0x23, 0, 64);
692         reg_r(gspca_dev, 0x23, 1, 64);
693 }
694
695 static void spca504B_SetSizeType(struct gspca_dev *gspca_dev)
696 {
697         struct sd *sd = (struct sd *) gspca_dev;
698         struct usb_device *dev = gspca_dev->dev;
699         __u8 Size;
700         __u8 Type;
701         int rc;
702
703         Size = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
704         Type = 0;
705         switch (sd->bridge) {
706         case BRIDGE_SPCA533:
707                 reg_w(gspca_dev, 0x31, 0, 0, 0);
708                 spca504B_WaitCmdStatus(gspca_dev);
709                 rc = spca504B_PollingDataReady(gspca_dev);
710                 spca50x_GetFirmware(gspca_dev);
711                 gspca_dev->usb_buf[0] = 2;                      /* type */
712                 reg_w(gspca_dev, 0x24, 0, 8, 1);
713                 reg_r(gspca_dev, 0x24, 8, 1);
714
715                 gspca_dev->usb_buf[0] = Size;
716                 reg_w(gspca_dev, 0x25, 0, 4, 1);
717                 reg_r(gspca_dev, 0x25, 4, 1);                   /* size */
718                 rc = spca504B_PollingDataReady(gspca_dev);
719
720                 /* Init the cam width height with some values get on init ? */
721                 reg_w(gspca_dev, 0x31, 0, 4, 0);
722                 spca504B_WaitCmdStatus(gspca_dev);
723                 rc = spca504B_PollingDataReady(gspca_dev);
724                 break;
725         default:
726 /* case BRIDGE_SPCA504B: */
727 /* case BRIDGE_SPCA536: */
728                 gspca_dev->usb_buf[0] = Size;
729                 reg_w(gspca_dev, 0x25, 0, 4, 1);
730                 reg_r(gspca_dev, 0x25, 4, 1);                   /* size */
731                 Type = 6;
732                 gspca_dev->usb_buf[0] = Type;
733                 reg_w(gspca_dev, 0x27, 0, 0, 1);
734                 reg_r(gspca_dev, 0x27, 0, 1);                   /* type */
735                 rc = spca504B_PollingDataReady(gspca_dev);
736                 break;
737         case BRIDGE_SPCA504:
738                 Size += 3;
739                 if (sd->subtype == AiptekMiniPenCam13) {
740                         /* spca504a aiptek */
741                         spca504A_acknowledged_command(gspca_dev,
742                                                 0x08, Size, 0,
743                                                 0x80 | (Size & 0x0f), 1);
744                         spca504A_acknowledged_command(gspca_dev,
745                                                         1, 3, 0, 0x9f, 0);
746                 } else {
747                         spca504_acknowledged_command(gspca_dev, 0x08, Size, 0);
748                 }
749                 break;
750         case BRIDGE_SPCA504C:
751                 /* capture mode */
752                 reg_w_riv(dev, 0xa0, (0x0500 | (Size & 0x0f)), 0x00);
753                 reg_w_riv(dev, 0x20, 0x01, 0x0500 | (Size & 0x0f));
754                 break;
755         }
756 }
757
758 static void spca504_wait_status(struct gspca_dev *gspca_dev)
759 {
760         int cnt;
761
762         cnt = 256;
763         while (--cnt > 0) {
764                 /* With this we get the status, when return 0 it's all ok */
765                 if (reg_r_12(gspca_dev, 0x06, 0x00, 1) == 0)
766                         return;
767                 msleep(10);
768         }
769 }
770
771 static void spca504B_setQtable(struct gspca_dev *gspca_dev)
772 {
773         gspca_dev->usb_buf[0] = 3;
774         reg_w(gspca_dev, 0x26, 0, 0, 1);
775         reg_r(gspca_dev, 0x26, 0, 1);
776         spca504B_PollingDataReady(gspca_dev);
777 }
778
779 static void sp5xx_initContBrigHueRegisters(struct gspca_dev *gspca_dev)
780 {
781         struct sd *sd = (struct sd *) gspca_dev;
782         int pollreg = 1;
783
784         switch (sd->bridge) {
785         case BRIDGE_SPCA504:
786         case BRIDGE_SPCA504C:
787                 pollreg = 0;
788                 /* fall thru */
789         default:
790 /*      case BRIDGE_SPCA533: */
791 /*      case BRIDGE_SPCA504B: */
792                 reg_w(gspca_dev, 0, 0, 0x21a7, 0);      /* brightness */
793                 reg_w(gspca_dev, 0, 0x20, 0x21a8, 0);   /* contrast */
794                 reg_w(gspca_dev, 0, 0, 0x21ad, 0);      /* hue */
795                 reg_w(gspca_dev, 0, 1, 0x21ac, 0);      /* sat/hue */
796                 reg_w(gspca_dev, 0, 0x20, 0x21ae, 0);   /* saturation */
797                 reg_w(gspca_dev, 0, 0, 0x21a3, 0);      /* gamma */
798                 break;
799         case BRIDGE_SPCA536:
800                 reg_w(gspca_dev, 0, 0, 0x20f0, 0);
801                 reg_w(gspca_dev, 0, 0x21, 0x20f1, 0);
802                 reg_w(gspca_dev, 0, 0x40, 0x20f5, 0);
803                 reg_w(gspca_dev, 0, 1, 0x20f4, 0);
804                 reg_w(gspca_dev, 0, 0x40, 0x20f6, 0);
805                 reg_w(gspca_dev, 0, 0, 0x2089, 0);
806                 break;
807         }
808         if (pollreg)
809                 spca504B_PollingDataReady(gspca_dev);
810 }
811
812 /* this function is called at probe time */
813 static int sd_config(struct gspca_dev *gspca_dev,
814                         const struct usb_device_id *id)
815 {
816         struct sd *sd = (struct sd *) gspca_dev;
817         struct cam *cam;
818
819         cam = &gspca_dev->cam;
820
821         sd->bridge = id->driver_info >> 8;
822         sd->subtype = id->driver_info;
823
824         if (sd->subtype == AiptekMiniPenCam13) {
825 /* try to get the firmware as some cam answer 2.0.1.2.2
826  * and should be a spca504b then overwrite that setting */
827                 reg_r(gspca_dev, 0x20, 0, 1);
828                 switch (gspca_dev->usb_buf[0]) {
829                 case 1:
830                         break;          /* (right bridge/subtype) */
831                 case 2:
832                         sd->bridge = BRIDGE_SPCA504B;
833                         sd->subtype = 0;
834                         break;
835                 default:
836                         return -ENODEV;
837                 }
838         }
839
840         switch (sd->bridge) {
841         default:
842 /*      case BRIDGE_SPCA504B: */
843 /*      case BRIDGE_SPCA504: */
844 /*      case BRIDGE_SPCA536: */
845                 cam->cam_mode = vga_mode;
846                 cam->nmodes = sizeof vga_mode / sizeof vga_mode[0];
847                 break;
848         case BRIDGE_SPCA533:
849                 cam->cam_mode = custom_mode;
850                 cam->nmodes = sizeof custom_mode / sizeof custom_mode[0];
851                 break;
852         case BRIDGE_SPCA504C:
853                 cam->cam_mode = vga_mode2;
854                 cam->nmodes = sizeof vga_mode2 / sizeof vga_mode2[0];
855                 break;
856         }
857         sd->brightness = sd_ctrls[SD_BRIGHTNESS].qctrl.default_value;
858         sd->contrast = sd_ctrls[SD_CONTRAST].qctrl.default_value;
859         sd->colors = sd_ctrls[SD_COLOR].qctrl.default_value;
860         sd->quality = QUALITY_DEF;
861         return 0;
862 }
863
864 /* this function is called at probe and resume time */
865 static int sd_init(struct gspca_dev *gspca_dev)
866 {
867         struct sd *sd = (struct sd *) gspca_dev;
868         struct usb_device *dev = gspca_dev->dev;
869         int rc;
870         __u8 i;
871         __u8 info[6];
872         int err_code;
873
874         switch (sd->bridge) {
875         case BRIDGE_SPCA504B:
876                 reg_w(gspca_dev, 0x1d, 0, 0, 0);
877                 reg_w(gspca_dev, 0, 1, 0x2306, 0);
878                 reg_w(gspca_dev, 0, 0, 0x0d04, 0);
879                 reg_w(gspca_dev, 0, 0, 0x2000, 0);
880                 reg_w(gspca_dev, 0, 0x13, 0x2301, 0);
881                 reg_w(gspca_dev, 0, 0, 0x2306, 0);
882                 /* fall thru */
883         case BRIDGE_SPCA533:
884                 rc = spca504B_PollingDataReady(gspca_dev);
885                 spca50x_GetFirmware(gspca_dev);
886                 break;
887         case BRIDGE_SPCA536:
888                 spca50x_GetFirmware(gspca_dev);
889                 reg_r(gspca_dev, 0x00, 0x5002, 1);
890                 gspca_dev->usb_buf[0] = 0;
891                 reg_w(gspca_dev, 0x24, 0, 0, 1);
892                 reg_r(gspca_dev, 0x24, 0, 1);
893                 rc = spca504B_PollingDataReady(gspca_dev);
894                 reg_w(gspca_dev, 0x34, 0, 0, 0);
895                 spca504B_WaitCmdStatus(gspca_dev);
896                 break;
897         case BRIDGE_SPCA504C:   /* pccam600 */
898                 PDEBUG(D_STREAM, "Opening SPCA504 (PC-CAM 600)");
899                 reg_w_riv(dev, 0xe0, 0x0000, 0x0000);
900                 reg_w_riv(dev, 0xe0, 0x0000, 0x0001);   /* reset */
901                 spca504_wait_status(gspca_dev);
902                 if (sd->subtype == LogitechClickSmart420)
903                         write_vector(gspca_dev,
904                                         spca504A_clicksmart420_open_data);
905                 else
906                         write_vector(gspca_dev, spca504_pccam600_open_data);
907                 err_code = spca50x_setup_qtable(gspca_dev,
908                                                 0x00, 0x2800,
909                                                 0x2840, qtable_creative_pccam);
910                 if (err_code < 0) {
911                         PDEBUG(D_ERR|D_STREAM, "spca50x_setup_qtable failed");
912                         return err_code;
913                 }
914                 break;
915         default:
916 /*      case BRIDGE_SPCA504: */
917                 PDEBUG(D_STREAM, "Opening SPCA504");
918                 if (sd->subtype == AiptekMiniPenCam13) {
919                         /*****************************/
920                         for (i = 0; i < 6; i++)
921                                 info[i] = reg_r_1(gspca_dev, i);
922                         PDEBUG(D_STREAM,
923                                 "Read info: %d %d %d %d %d %d."
924                                 " Should be 1,0,2,2,0,0",
925                                 info[0], info[1], info[2],
926                                 info[3], info[4], info[5]);
927                         /* spca504a aiptek */
928                         /* Set AE AWB Banding Type 3-> 50Hz 2-> 60Hz */
929                         spca504A_acknowledged_command(gspca_dev, 0x24,
930                                                         8, 3, 0x9e, 1);
931                         /* Twice sequencial need status 0xff->0x9e->0x9d */
932                         spca504A_acknowledged_command(gspca_dev, 0x24,
933                                                         8, 3, 0x9e, 0);
934
935                         spca504A_acknowledged_command(gspca_dev, 0x24,
936                                                         0, 0, 0x9d, 1);
937                         /******************************/
938                         /* spca504a aiptek */
939                         spca504A_acknowledged_command(gspca_dev, 0x08,
940                                                         6, 0, 0x86, 1);
941 /*                      reg_write (dev, 0, 0x2000, 0); */
942 /*                      reg_write (dev, 0, 0x2883, 1); */
943 /*                      spca504A_acknowledged_command (gspca_dev, 0x08,
944                                                         6, 0, 0x86, 1); */
945 /*                      spca504A_acknowledged_command (gspca_dev, 0x24,
946                                                         0, 0, 0x9D, 1); */
947                         reg_w_riv(dev, 0x0, 0x270c, 0x05); /* L92 sno1t.txt */
948                         reg_w_riv(dev, 0x0, 0x2310, 0x05);
949                         spca504A_acknowledged_command(gspca_dev, 0x01,
950                                                         0x0f, 0, 0xff, 0);
951                 }
952                 /* setup qtable */
953                 reg_w_riv(dev, 0, 0x2000, 0);
954                 reg_w_riv(dev, 0, 0x2883, 1);
955                 err_code = spca50x_setup_qtable(gspca_dev,
956                                                 0x00, 0x2800,
957                                                 0x2840,
958                                                 qtable_spca504_default);
959                 if (err_code < 0) {
960                         PDEBUG(D_ERR, "spca50x_setup_qtable failed");
961                         return err_code;
962                 }
963                 break;
964         }
965         return 0;
966 }
967
968 static int sd_start(struct gspca_dev *gspca_dev)
969 {
970         struct sd *sd = (struct sd *) gspca_dev;
971         struct usb_device *dev = gspca_dev->dev;
972         int rc;
973         int enable;
974         __u8 i;
975         __u8 info[6];
976
977         /* create the JPEG header */
978         sd->jpeg_hdr = kmalloc(JPEG_HDR_SZ, GFP_KERNEL);
979         jpeg_define(sd->jpeg_hdr, gspca_dev->height, gspca_dev->width,
980                         0x22);          /* JPEG 411 */
981         jpeg_set_qual(sd->jpeg_hdr, sd->quality);
982
983         if (sd->bridge == BRIDGE_SPCA504B)
984                 spca504B_setQtable(gspca_dev);
985         spca504B_SetSizeType(gspca_dev);
986         switch (sd->bridge) {
987         default:
988 /*      case BRIDGE_SPCA504B: */
989 /*      case BRIDGE_SPCA533: */
990 /*      case BRIDGE_SPCA536: */
991                 if (sd->subtype == MegapixV4 ||
992                     sd->subtype == LogitechClickSmart820) {
993                         reg_w(gspca_dev, 0xf0, 0, 0, 0);
994                         spca504B_WaitCmdStatus(gspca_dev);
995                         reg_r(gspca_dev, 0xf0, 4, 0);
996                         spca504B_WaitCmdStatus(gspca_dev);
997                 } else {
998                         reg_w(gspca_dev, 0x31, 0, 4, 0);
999                         spca504B_WaitCmdStatus(gspca_dev);
1000                         rc = spca504B_PollingDataReady(gspca_dev);
1001                 }
1002                 break;
1003         case BRIDGE_SPCA504:
1004                 if (sd->subtype == AiptekMiniPenCam13) {
1005                         for (i = 0; i < 6; i++)
1006                                 info[i] = reg_r_1(gspca_dev, i);
1007                         PDEBUG(D_STREAM,
1008                                 "Read info: %d %d %d %d %d %d."
1009                                 " Should be 1,0,2,2,0,0",
1010                                 info[0], info[1], info[2],
1011                                 info[3], info[4], info[5]);
1012                         /* spca504a aiptek */
1013                         /* Set AE AWB Banding Type 3-> 50Hz 2-> 60Hz */
1014                         spca504A_acknowledged_command(gspca_dev, 0x24,
1015                                                         8, 3, 0x9e, 1);
1016                         /* Twice sequencial need status 0xff->0x9e->0x9d */
1017                         spca504A_acknowledged_command(gspca_dev, 0x24,
1018                                                         8, 3, 0x9e, 0);
1019                         spca504A_acknowledged_command(gspca_dev, 0x24,
1020                                                         0, 0, 0x9d, 1);
1021                 } else {
1022                         spca504_acknowledged_command(gspca_dev, 0x24, 8, 3);
1023                         for (i = 0; i < 6; i++)
1024                                 info[i] = reg_r_1(gspca_dev, i);
1025                         PDEBUG(D_STREAM,
1026                                 "Read info: %d %d %d %d %d %d."
1027                                 " Should be 1,0,2,2,0,0",
1028                                 info[0], info[1], info[2],
1029                                 info[3], info[4], info[5]);
1030                         spca504_acknowledged_command(gspca_dev, 0x24, 8, 3);
1031                         spca504_acknowledged_command(gspca_dev, 0x24, 0, 0);
1032                 }
1033                 spca504B_SetSizeType(gspca_dev);
1034                 reg_w_riv(dev, 0x0, 0x270c, 0x05);      /* L92 sno1t.txt */
1035                 reg_w_riv(dev, 0x0, 0x2310, 0x05);
1036                 break;
1037         case BRIDGE_SPCA504C:
1038                 if (sd->subtype == LogitechClickSmart420) {
1039                         write_vector(gspca_dev,
1040                                         spca504A_clicksmart420_init_data);
1041                 } else {
1042                         write_vector(gspca_dev, spca504_pccam600_init_data);
1043                 }
1044                 enable = (sd->autogain ? 0x04 : 0x01);
1045                 reg_w_riv(dev, 0x0c, 0x0000, enable);   /* auto exposure */
1046                 reg_w_riv(dev, 0xb0, 0x0000, enable);   /* auto whiteness */
1047
1048                 /* set default exposure compensation and whiteness balance */
1049                 reg_w_riv(dev, 0x30, 0x0001, 800);      /* ~ 20 fps */
1050                 reg_w_riv(dev, 0x30, 0x0002, 1600);
1051                 spca504B_SetSizeType(gspca_dev);
1052                 break;
1053         }
1054         sp5xx_initContBrigHueRegisters(gspca_dev);
1055         return 0;
1056 }
1057
1058 static void sd_stopN(struct gspca_dev *gspca_dev)
1059 {
1060         struct sd *sd = (struct sd *) gspca_dev;
1061         struct usb_device *dev = gspca_dev->dev;
1062
1063         switch (sd->bridge) {
1064         default:
1065 /*      case BRIDGE_SPCA533: */
1066 /*      case BRIDGE_SPCA536: */
1067 /*      case BRIDGE_SPCA504B: */
1068                 reg_w(gspca_dev, 0x31, 0, 0, 0);
1069                 spca504B_WaitCmdStatus(gspca_dev);
1070                 spca504B_PollingDataReady(gspca_dev);
1071                 break;
1072         case BRIDGE_SPCA504:
1073         case BRIDGE_SPCA504C:
1074                 reg_w_riv(dev, 0x00, 0x2000, 0x0000);
1075
1076                 if (sd->subtype == AiptekMiniPenCam13) {
1077                         /* spca504a aiptek */
1078 /*                      spca504A_acknowledged_command(gspca_dev, 0x08,
1079                                                          6, 0, 0x86, 1); */
1080                         spca504A_acknowledged_command(gspca_dev, 0x24,
1081                                                         0x00, 0x00, 0x9d, 1);
1082                         spca504A_acknowledged_command(gspca_dev, 0x01,
1083                                                         0x0f, 0x00, 0xff, 1);
1084                 } else {
1085                         spca504_acknowledged_command(gspca_dev, 0x24, 0, 0);
1086                         reg_w_riv(dev, 0x01, 0x000f, 0x00);
1087                 }
1088                 break;
1089         }
1090 }
1091
1092 static void sd_stop0(struct gspca_dev *gspca_dev)
1093 {
1094         struct sd *sd = (struct sd *) gspca_dev;
1095
1096         kfree(sd->jpeg_hdr);
1097 }
1098
1099 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
1100                         struct gspca_frame *frame,      /* target */
1101                         __u8 *data,                     /* isoc packet */
1102                         int len)                        /* iso packet length */
1103 {
1104         struct sd *sd = (struct sd *) gspca_dev;
1105         int i, sof = 0;
1106         unsigned char *s, *d;
1107         static unsigned char ffd9[] = {0xff, 0xd9};
1108
1109 /* frames are jpeg 4.1.1 without 0xff escape */
1110         switch (sd->bridge) {
1111         case BRIDGE_SPCA533:
1112                 if (data[0] == 0xff) {
1113                         if (data[1] != 0x01) {  /* drop packet */
1114 /*                              gspca_dev->last_packet_type = DISCARD_PACKET; */
1115                                 return;
1116                         }
1117                         sof = 1;
1118                         data += SPCA533_OFFSET_DATA;
1119                         len -= SPCA533_OFFSET_DATA;
1120                 } else {
1121                         data += 1;
1122                         len -= 1;
1123                 }
1124                 break;
1125         case BRIDGE_SPCA536:
1126                 if (data[0] == 0xff) {
1127                         sof = 1;
1128                         data += SPCA536_OFFSET_DATA;
1129                         len -= SPCA536_OFFSET_DATA;
1130                 } else {
1131                         data += 2;
1132                         len -= 2;
1133                 }
1134                 break;
1135         default:
1136 /*      case BRIDGE_SPCA504: */
1137 /*      case BRIDGE_SPCA504B: */
1138                 switch (data[0]) {
1139                 case 0xfe:                      /* start of frame */
1140                         sof = 1;
1141                         data += SPCA50X_OFFSET_DATA;
1142                         len -= SPCA50X_OFFSET_DATA;
1143                         break;
1144                 case 0xff:                      /* drop packet */
1145 /*                      gspca_dev->last_packet_type = DISCARD_PACKET; */
1146                         return;
1147                 default:
1148                         data += 1;
1149                         len -= 1;
1150                         break;
1151                 }
1152                 break;
1153         case BRIDGE_SPCA504C:
1154                 switch (data[0]) {
1155                 case 0xfe:                      /* start of frame */
1156                         sof = 1;
1157                         data += SPCA504_PCCAM600_OFFSET_DATA;
1158                         len -= SPCA504_PCCAM600_OFFSET_DATA;
1159                         break;
1160                 case 0xff:                      /* drop packet */
1161 /*                      gspca_dev->last_packet_type = DISCARD_PACKET; */
1162                         return;
1163                 default:
1164                         data += 1;
1165                         len -= 1;
1166                         break;
1167                 }
1168                 break;
1169         }
1170         if (sof) {              /* start of frame */
1171                 frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
1172                                         ffd9, 2);
1173
1174                 /* put the JPEG header in the new frame */
1175                 gspca_frame_add(gspca_dev, FIRST_PACKET, frame,
1176                         sd->jpeg_hdr, JPEG_HDR_SZ);
1177         }
1178
1179         /* add 0x00 after 0xff */
1180         for (i = len; --i >= 0; )
1181                 if (data[i] == 0xff)
1182                         break;
1183         if (i < 0) {                    /* no 0xff */
1184                 gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
1185                 return;
1186         }
1187         s = data;
1188         d = sd->packet;
1189         for (i = 0; i < len; i++) {
1190                 *d++ = *s++;
1191                 if (s[-1] == 0xff)
1192                         *d++ = 0x00;
1193         }
1194         gspca_frame_add(gspca_dev, INTER_PACKET, frame,
1195                         sd->packet, d - sd->packet);
1196 }
1197
1198 static void setbrightness(struct gspca_dev *gspca_dev)
1199 {
1200         struct sd *sd = (struct sd *) gspca_dev;
1201         struct usb_device *dev = gspca_dev->dev;
1202
1203         switch (sd->bridge) {
1204         default:
1205 /*      case BRIDGE_SPCA533: */
1206 /*      case BRIDGE_SPCA504B: */
1207 /*      case BRIDGE_SPCA504: */
1208 /*      case BRIDGE_SPCA504C: */
1209                 reg_w_riv(dev, 0x0, 0x21a7, sd->brightness);
1210                 break;
1211         case BRIDGE_SPCA536:
1212                 reg_w_riv(dev, 0x0, 0x20f0, sd->brightness);
1213                 break;
1214         }
1215 }
1216
1217 static void setcontrast(struct gspca_dev *gspca_dev)
1218 {
1219         struct sd *sd = (struct sd *) gspca_dev;
1220         struct usb_device *dev = gspca_dev->dev;
1221
1222         switch (sd->bridge) {
1223         default:
1224 /*      case BRIDGE_SPCA533: */
1225 /*      case BRIDGE_SPCA504B: */
1226 /*      case BRIDGE_SPCA504: */
1227 /*      case BRIDGE_SPCA504C: */
1228                 reg_w_riv(dev, 0x0, 0x21a8, sd->contrast);
1229                 break;
1230         case BRIDGE_SPCA536:
1231                 reg_w_riv(dev, 0x0, 0x20f1, sd->contrast);
1232                 break;
1233         }
1234 }
1235
1236 static void setcolors(struct gspca_dev *gspca_dev)
1237 {
1238         struct sd *sd = (struct sd *) gspca_dev;
1239         struct usb_device *dev = gspca_dev->dev;
1240
1241         switch (sd->bridge) {
1242         default:
1243 /*      case BRIDGE_SPCA533: */
1244 /*      case BRIDGE_SPCA504B: */
1245 /*      case BRIDGE_SPCA504: */
1246 /*      case BRIDGE_SPCA504C: */
1247                 reg_w_riv(dev, 0x0, 0x21ae, sd->colors);
1248                 break;
1249         case BRIDGE_SPCA536:
1250                 reg_w_riv(dev, 0x0, 0x20f6, sd->colors);
1251                 break;
1252         }
1253 }
1254
1255 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
1256 {
1257         struct sd *sd = (struct sd *) gspca_dev;
1258
1259         sd->brightness = val;
1260         if (gspca_dev->streaming)
1261                 setbrightness(gspca_dev);
1262         return 0;
1263 }
1264
1265 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
1266 {
1267         struct sd *sd = (struct sd *) gspca_dev;
1268
1269         *val = sd->brightness;
1270         return 0;
1271 }
1272
1273 static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
1274 {
1275         struct sd *sd = (struct sd *) gspca_dev;
1276
1277         sd->contrast = val;
1278         if (gspca_dev->streaming)
1279                 setcontrast(gspca_dev);
1280         return 0;
1281 }
1282
1283 static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
1284 {
1285         struct sd *sd = (struct sd *) gspca_dev;
1286
1287         *val = sd->contrast;
1288         return 0;
1289 }
1290
1291 static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val)
1292 {
1293         struct sd *sd = (struct sd *) gspca_dev;
1294
1295         sd->colors = val;
1296         if (gspca_dev->streaming)
1297                 setcolors(gspca_dev);
1298         return 0;
1299 }
1300
1301 static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val)
1302 {
1303         struct sd *sd = (struct sd *) gspca_dev;
1304
1305         *val = sd->colors;
1306         return 0;
1307 }
1308
1309 static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
1310 {
1311         struct sd *sd = (struct sd *) gspca_dev;
1312
1313         sd->autogain = val;
1314         return 0;
1315 }
1316
1317 static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
1318 {
1319         struct sd *sd = (struct sd *) gspca_dev;
1320
1321         *val = sd->autogain;
1322         return 0;
1323 }
1324
1325 static int sd_set_jcomp(struct gspca_dev *gspca_dev,
1326                         struct v4l2_jpegcompression *jcomp)
1327 {
1328         struct sd *sd = (struct sd *) gspca_dev;
1329
1330         if (jcomp->quality < QUALITY_MIN)
1331                 sd->quality = QUALITY_MIN;
1332         else if (jcomp->quality > QUALITY_MAX)
1333                 sd->quality = QUALITY_MAX;
1334         else
1335                 sd->quality = jcomp->quality;
1336         if (gspca_dev->streaming)
1337                 jpeg_set_qual(sd->jpeg_hdr, sd->quality);
1338         return 0;
1339 }
1340
1341 static int sd_get_jcomp(struct gspca_dev *gspca_dev,
1342                         struct v4l2_jpegcompression *jcomp)
1343 {
1344         struct sd *sd = (struct sd *) gspca_dev;
1345
1346         memset(jcomp, 0, sizeof *jcomp);
1347         jcomp->quality = sd->quality;
1348         jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT
1349                         | V4L2_JPEG_MARKER_DQT;
1350         return 0;
1351 }
1352
1353 /* sub-driver description */
1354 static const struct sd_desc sd_desc = {
1355         .name = MODULE_NAME,
1356         .ctrls = sd_ctrls,
1357         .nctrls = ARRAY_SIZE(sd_ctrls),
1358         .config = sd_config,
1359         .init = sd_init,
1360         .start = sd_start,
1361         .stopN = sd_stopN,
1362         .stop0 = sd_stop0,
1363         .pkt_scan = sd_pkt_scan,
1364         .get_jcomp = sd_get_jcomp,
1365         .set_jcomp = sd_set_jcomp,
1366 };
1367
1368 /* -- module initialisation -- */
1369 #define BS(bridge, subtype) \
1370         .driver_info = (BRIDGE_ ## bridge << 8) \
1371                         | (subtype)
1372 static const __devinitdata struct usb_device_id device_table[] = {
1373         {USB_DEVICE(0x041e, 0x400b), BS(SPCA504C, 0)},
1374         {USB_DEVICE(0x041e, 0x4012), BS(SPCA504C, 0)},
1375         {USB_DEVICE(0x041e, 0x4013), BS(SPCA504C, 0)},
1376         {USB_DEVICE(0x0458, 0x7006), BS(SPCA504B, 0)},
1377         {USB_DEVICE(0x0461, 0x0821), BS(SPCA533, 0)},
1378         {USB_DEVICE(0x046d, 0x0905), BS(SPCA533, LogitechClickSmart820)},
1379         {USB_DEVICE(0x046d, 0x0960), BS(SPCA504C, LogitechClickSmart420)},
1380         {USB_DEVICE(0x0471, 0x0322), BS(SPCA504B, 0)},
1381         {USB_DEVICE(0x04a5, 0x3003), BS(SPCA504B, 0)},
1382         {USB_DEVICE(0x04a5, 0x3008), BS(SPCA533, 0)},
1383         {USB_DEVICE(0x04a5, 0x300a), BS(SPCA533, 0)},
1384         {USB_DEVICE(0x04f1, 0x1001), BS(SPCA504B, 0)},
1385         {USB_DEVICE(0x04fc, 0x500c), BS(SPCA504B, 0)},
1386         {USB_DEVICE(0x04fc, 0x504a), BS(SPCA504, AiptekMiniPenCam13)},
1387         {USB_DEVICE(0x04fc, 0x504b), BS(SPCA504B, 0)},
1388         {USB_DEVICE(0x04fc, 0x5330), BS(SPCA533, 0)},
1389         {USB_DEVICE(0x04fc, 0x5360), BS(SPCA536, 0)},
1390         {USB_DEVICE(0x04fc, 0xffff), BS(SPCA504B, 0)},
1391         {USB_DEVICE(0x052b, 0x1513), BS(SPCA533, MegapixV4)},
1392         {USB_DEVICE(0x0546, 0x3155), BS(SPCA533, 0)},
1393         {USB_DEVICE(0x0546, 0x3191), BS(SPCA504B, 0)},
1394         {USB_DEVICE(0x0546, 0x3273), BS(SPCA504B, 0)},
1395         {USB_DEVICE(0x055f, 0xc211), BS(SPCA536, 0)},
1396         {USB_DEVICE(0x055f, 0xc230), BS(SPCA533, 0)},
1397         {USB_DEVICE(0x055f, 0xc232), BS(SPCA533, 0)},
1398         {USB_DEVICE(0x055f, 0xc360), BS(SPCA536, 0)},
1399         {USB_DEVICE(0x055f, 0xc420), BS(SPCA504, 0)},
1400         {USB_DEVICE(0x055f, 0xc430), BS(SPCA533, 0)},
1401         {USB_DEVICE(0x055f, 0xc440), BS(SPCA533, 0)},
1402         {USB_DEVICE(0x055f, 0xc520), BS(SPCA504, 0)},
1403         {USB_DEVICE(0x055f, 0xc530), BS(SPCA533, 0)},
1404         {USB_DEVICE(0x055f, 0xc540), BS(SPCA533, 0)},
1405         {USB_DEVICE(0x055f, 0xc630), BS(SPCA533, 0)},
1406         {USB_DEVICE(0x055f, 0xc650), BS(SPCA533, 0)},
1407         {USB_DEVICE(0x05da, 0x1018), BS(SPCA504B, 0)},
1408         {USB_DEVICE(0x06d6, 0x0031), BS(SPCA533, 0)},
1409         {USB_DEVICE(0x0733, 0x1311), BS(SPCA533, 0)},
1410         {USB_DEVICE(0x0733, 0x1314), BS(SPCA533, 0)},
1411         {USB_DEVICE(0x0733, 0x2211), BS(SPCA533, 0)},
1412         {USB_DEVICE(0x0733, 0x2221), BS(SPCA533, 0)},
1413         {USB_DEVICE(0x0733, 0x3261), BS(SPCA536, 0)},
1414         {USB_DEVICE(0x0733, 0x3281), BS(SPCA536, 0)},
1415         {USB_DEVICE(0x08ca, 0x0104), BS(SPCA533, 0)},
1416         {USB_DEVICE(0x08ca, 0x0106), BS(SPCA533, 0)},
1417         {USB_DEVICE(0x08ca, 0x2008), BS(SPCA504B, 0)},
1418         {USB_DEVICE(0x08ca, 0x2010), BS(SPCA533, 0)},
1419         {USB_DEVICE(0x08ca, 0x2016), BS(SPCA504B, 0)},
1420         {USB_DEVICE(0x08ca, 0x2018), BS(SPCA504B, 0)},
1421         {USB_DEVICE(0x08ca, 0x2020), BS(SPCA533, 0)},
1422         {USB_DEVICE(0x08ca, 0x2022), BS(SPCA533, 0)},
1423         {USB_DEVICE(0x08ca, 0x2024), BS(SPCA536, 0)},
1424         {USB_DEVICE(0x08ca, 0x2028), BS(SPCA533, 0)},
1425         {USB_DEVICE(0x08ca, 0x2040), BS(SPCA536, 0)},
1426         {USB_DEVICE(0x08ca, 0x2042), BS(SPCA536, 0)},
1427         {USB_DEVICE(0x08ca, 0x2050), BS(SPCA536, 0)},
1428         {USB_DEVICE(0x08ca, 0x2060), BS(SPCA536, 0)},
1429         {USB_DEVICE(0x0d64, 0x0303), BS(SPCA536, 0)},
1430         {}
1431 };
1432 MODULE_DEVICE_TABLE(usb, device_table);
1433
1434 /* -- device connect -- */
1435 static int sd_probe(struct usb_interface *intf,
1436                         const struct usb_device_id *id)
1437 {
1438         return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1439                                 THIS_MODULE);
1440 }
1441
1442 static struct usb_driver sd_driver = {
1443         .name = MODULE_NAME,
1444         .id_table = device_table,
1445         .probe = sd_probe,
1446         .disconnect = gspca_disconnect,
1447 #ifdef CONFIG_PM
1448         .suspend = gspca_suspend,
1449         .resume = gspca_resume,
1450 #endif
1451 };
1452
1453 /* -- module insert / remove -- */
1454 static int __init sd_mod_init(void)
1455 {
1456         int ret;
1457         ret = usb_register(&sd_driver);
1458         if (ret < 0)
1459                 return ret;
1460         PDEBUG(D_PROBE, "registered");
1461         return 0;
1462 }
1463 static void __exit sd_mod_exit(void)
1464 {
1465         usb_deregister(&sd_driver);
1466         PDEBUG(D_PROBE, "deregistered");
1467 }
1468
1469 module_init(sd_mod_init);
1470 module_exit(sd_mod_exit);