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/drivers/media/video/gspca/spca505.c

https://bitbucket.org/ndreys/linux-sunxi
C | 827 lines | 640 code | 87 blank | 100 comment | 18 complexity | f3d125eac9ecd66b68c58f60ffb395f8 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
  1/*
  2 * SPCA505 chip based cameras initialization data
  3 *
  4 * V4L2 by Jean-Francis Moine <http://moinejf.free.fr>
  5 *
  6 * This program is free software; you can redistribute it and/or modify
  7 * it under the terms of the GNU General Public License as published by
  8 * the Free Software Foundation; either version 2 of the License, or
  9 * any later version.
 10 *
 11 * This program is distributed in the hope that it will be useful,
 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 14 * GNU General Public License for more details.
 15 *
 16 * You should have received a copy of the GNU General Public License
 17 * along with this program; if not, write to the Free Software
 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 19 *
 20 */
 21
 22#define MODULE_NAME "spca505"
 23
 24#include "gspca.h"
 25
 26MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
 27MODULE_DESCRIPTION("GSPCA/SPCA505 USB Camera Driver");
 28MODULE_LICENSE("GPL");
 29
 30/* specific webcam descriptor */
 31struct sd {
 32	struct gspca_dev gspca_dev;		/* !! must be the first item */
 33
 34	u8 brightness;
 35
 36	u8 subtype;
 37#define IntelPCCameraPro 0
 38#define Nxultra 1
 39};
 40
 41/* V4L2 controls supported by the driver */
 42static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
 43static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
 44
 45static const struct ctrl sd_ctrls[] = {
 46	{
 47	    {
 48		.id      = V4L2_CID_BRIGHTNESS,
 49		.type    = V4L2_CTRL_TYPE_INTEGER,
 50		.name    = "Brightness",
 51		.minimum = 0,
 52		.maximum = 255,
 53		.step    = 1,
 54#define BRIGHTNESS_DEF 127
 55		.default_value = BRIGHTNESS_DEF,
 56	    },
 57	    .set = sd_setbrightness,
 58	    .get = sd_getbrightness,
 59	},
 60};
 61
 62static const struct v4l2_pix_format vga_mode[] = {
 63	{160, 120, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
 64		.bytesperline = 160,
 65		.sizeimage = 160 * 120 * 3 / 2,
 66		.colorspace = V4L2_COLORSPACE_SRGB,
 67		.priv = 4},
 68	{176, 144, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
 69		.bytesperline = 176,
 70		.sizeimage = 176 * 144 * 3 / 2,
 71		.colorspace = V4L2_COLORSPACE_SRGB,
 72		.priv = 3},
 73	{320, 240, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
 74		.bytesperline = 320,
 75		.sizeimage = 320 * 240 * 3 / 2,
 76		.colorspace = V4L2_COLORSPACE_SRGB,
 77		.priv = 2},
 78	{352, 288, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
 79		.bytesperline = 352,
 80		.sizeimage = 352 * 288 * 3 / 2,
 81		.colorspace = V4L2_COLORSPACE_SRGB,
 82		.priv = 1},
 83	{640, 480, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
 84		.bytesperline = 640,
 85		.sizeimage = 640 * 480 * 3 / 2,
 86		.colorspace = V4L2_COLORSPACE_SRGB,
 87		.priv = 0},
 88};
 89
 90#define SPCA50X_OFFSET_DATA 10
 91
 92#define SPCA50X_REG_USB 0x02	/* spca505 501 */
 93
 94#define SPCA50X_USB_CTRL 0x00	/* spca505 */
 95#define SPCA50X_CUSB_ENABLE 0x01 /* spca505 */
 96
 97#define SPCA50X_REG_GLOBAL 0x03	/* spca505 */
 98#define SPCA50X_GMISC0_IDSEL 0x01 /* Global control device ID select spca505 */
 99#define SPCA50X_GLOBAL_MISC0 0x00 /* Global control miscellaneous 0 spca505 */
100
101#define SPCA50X_GLOBAL_MISC1 0x01 /* 505 */
102#define SPCA50X_GLOBAL_MISC3 0x03 /* 505 */
103#define SPCA50X_GMISC3_SAA7113RST 0x20	/* Not sure about this one spca505 */
104
105/* Image format and compression control */
106#define SPCA50X_REG_COMPRESS 0x04
107
108/*
109 * Data to initialize a SPCA505. Common to the CCD and external modes
110 */
111static const u8 spca505_init_data[][3] = {
112	/* bmRequest,value,index */
113	{SPCA50X_REG_GLOBAL, SPCA50X_GMISC3_SAA7113RST, SPCA50X_GLOBAL_MISC3},
114	/* Sensor reset */
115	{SPCA50X_REG_GLOBAL, 0x00, SPCA50X_GLOBAL_MISC3},
116	{SPCA50X_REG_GLOBAL, 0x00, SPCA50X_GLOBAL_MISC1},
117	/* Block USB reset */
118	{SPCA50X_REG_GLOBAL, SPCA50X_GMISC0_IDSEL, SPCA50X_GLOBAL_MISC0},
119
120	{0x05, 0x01, 0x10},
121					/* Maybe power down some stuff */
122	{0x05, 0x0f, 0x11},
123
124	/* Setup internal CCD  ? */
125	{0x06, 0x10, 0x08},
126	{0x06, 0x00, 0x09},
127	{0x06, 0x00, 0x0a},
128	{0x06, 0x00, 0x0b},
129	{0x06, 0x10, 0x0c},
130	{0x06, 0x00, 0x0d},
131	{0x06, 0x00, 0x0e},
132	{0x06, 0x00, 0x0f},
133	{0x06, 0x10, 0x10},
134	{0x06, 0x02, 0x11},
135	{0x06, 0x00, 0x12},
136	{0x06, 0x04, 0x13},
137	{0x06, 0x02, 0x14},
138	{0x06, 0x8a, 0x51},
139	{0x06, 0x40, 0x52},
140	{0x06, 0xb6, 0x53},
141	{0x06, 0x3d, 0x54},
142	{}
143};
144
145/*
146 * Data to initialize the camera using the internal CCD
147 */
148static const u8 spca505_open_data_ccd[][3] = {
149	/* bmRequest,value,index */
150	/* Internal CCD data set */
151	{0x03, 0x04, 0x01},
152	/* This could be a reset */
153	{0x03, 0x00, 0x01},
154
155	/* Setup compression and image registers. 0x6 and 0x7 seem to be
156	   related to H&V hold, and are resolution mode specific */
157		{0x04, 0x10, 0x01},
158		/* DIFF(0x50), was (0x10) */
159	{0x04, 0x00, 0x04},
160	{0x04, 0x00, 0x05},
161	{0x04, 0x20, 0x06},
162	{0x04, 0x20, 0x07},
163
164	{0x08, 0x0a, 0x00},
165	/* DIFF (0x4a), was (0xa) */
166
167	{0x05, 0x00, 0x10},
168	{0x05, 0x00, 0x11},
169	{0x05, 0x00, 0x00},
170	/* DIFF not written */
171	{0x05, 0x00, 0x01},
172	/* DIFF not written */
173	{0x05, 0x00, 0x02},
174	/* DIFF not written */
175	{0x05, 0x00, 0x03},
176	/* DIFF not written */
177	{0x05, 0x00, 0x04},
178	/* DIFF not written */
179		{0x05, 0x80, 0x05},
180		/* DIFF not written */
181		{0x05, 0xe0, 0x06},
182		/* DIFF not written */
183		{0x05, 0x20, 0x07},
184		/* DIFF not written */
185		{0x05, 0xa0, 0x08},
186		/* DIFF not written */
187		{0x05, 0x0, 0x12},
188		/* DIFF not written */
189	{0x05, 0x02, 0x0f},
190	/* DIFF not written */
191		{0x05, 0x10, 0x46},
192		/* DIFF not written */
193		{0x05, 0x8, 0x4a},
194		/* DIFF not written */
195
196	{0x03, 0x08, 0x03},
197	/* DIFF (0x3,0x28,0x3) */
198	{0x03, 0x08, 0x01},
199	{0x03, 0x0c, 0x03},
200	/* DIFF not written */
201		{0x03, 0x21, 0x00},
202		/* DIFF (0x39) */
203
204/* Extra block copied from init to hopefully ensure CCD is in a sane state */
205	{0x06, 0x10, 0x08},
206	{0x06, 0x00, 0x09},
207	{0x06, 0x00, 0x0a},
208	{0x06, 0x00, 0x0b},
209	{0x06, 0x10, 0x0c},
210	{0x06, 0x00, 0x0d},
211	{0x06, 0x00, 0x0e},
212	{0x06, 0x00, 0x0f},
213	{0x06, 0x10, 0x10},
214	{0x06, 0x02, 0x11},
215	{0x06, 0x00, 0x12},
216	{0x06, 0x04, 0x13},
217	{0x06, 0x02, 0x14},
218	{0x06, 0x8a, 0x51},
219	{0x06, 0x40, 0x52},
220	{0x06, 0xb6, 0x53},
221	{0x06, 0x3d, 0x54},
222	/* End of extra block */
223
224		{0x06, 0x3f, 0x1},
225		/* Block skipped */
226	{0x06, 0x10, 0x02},
227	{0x06, 0x64, 0x07},
228	{0x06, 0x10, 0x08},
229	{0x06, 0x00, 0x09},
230	{0x06, 0x00, 0x0a},
231	{0x06, 0x00, 0x0b},
232	{0x06, 0x10, 0x0c},
233	{0x06, 0x00, 0x0d},
234	{0x06, 0x00, 0x0e},
235	{0x06, 0x00, 0x0f},
236	{0x06, 0x10, 0x10},
237	{0x06, 0x02, 0x11},
238	{0x06, 0x00, 0x12},
239	{0x06, 0x04, 0x13},
240	{0x06, 0x02, 0x14},
241	{0x06, 0x8a, 0x51},
242	{0x06, 0x40, 0x52},
243	{0x06, 0xb6, 0x53},
244	{0x06, 0x3d, 0x54},
245	{0x06, 0x60, 0x57},
246	{0x06, 0x20, 0x58},
247	{0x06, 0x15, 0x59},
248	{0x06, 0x05, 0x5a},
249
250	{0x05, 0x01, 0xc0},
251	{0x05, 0x10, 0xcb},
252		{0x05, 0x80, 0xc1},
253		/* */
254		{0x05, 0x0, 0xc2},
255		/* 4 was 0 */
256	{0x05, 0x00, 0xca},
257		{0x05, 0x80, 0xc1},
258		/*  */
259	{0x05, 0x04, 0xc2},
260	{0x05, 0x00, 0xca},
261		{0x05, 0x0, 0xc1},
262		/*  */
263	{0x05, 0x00, 0xc2},
264	{0x05, 0x00, 0xca},
265		{0x05, 0x40, 0xc1},
266		/* */
267	{0x05, 0x17, 0xc2},
268	{0x05, 0x00, 0xca},
269		{0x05, 0x80, 0xc1},
270		/* */
271	{0x05, 0x06, 0xc2},
272	{0x05, 0x00, 0xca},
273		{0x05, 0x80, 0xc1},
274		/* */
275	{0x05, 0x04, 0xc2},
276	{0x05, 0x00, 0xca},
277
278	{0x03, 0x4c, 0x3},
279	{0x03, 0x18, 0x1},
280
281	{0x06, 0x70, 0x51},
282	{0x06, 0xbe, 0x53},
283	{0x06, 0x71, 0x57},
284	{0x06, 0x20, 0x58},
285	{0x06, 0x05, 0x59},
286	{0x06, 0x15, 0x5a},
287
288	{0x04, 0x00, 0x08},
289	/* Compress = OFF (0x1 to turn on) */
290	{0x04, 0x12, 0x09},
291	{0x04, 0x21, 0x0a},
292	{0x04, 0x10, 0x0b},
293	{0x04, 0x21, 0x0c},
294	{0x04, 0x05, 0x00},
295	/* was 5 (Image Type ? ) */
296	{0x04, 0x00, 0x01},
297
298	{0x06, 0x3f, 0x01},
299
300	{0x04, 0x00, 0x04},
301	{0x04, 0x00, 0x05},
302	{0x04, 0x40, 0x06},
303	{0x04, 0x40, 0x07},
304
305	{0x06, 0x1c, 0x17},
306	{0x06, 0xe2, 0x19},
307	{0x06, 0x1c, 0x1b},
308	{0x06, 0xe2, 0x1d},
309	{0x06, 0xaa, 0x1f},
310	{0x06, 0x70, 0x20},
311
312	{0x05, 0x01, 0x10},
313	{0x05, 0x00, 0x11},
314	{0x05, 0x01, 0x00},
315	{0x05, 0x05, 0x01},
316		{0x05, 0x00, 0xc1},
317		/* */
318	{0x05, 0x00, 0xc2},
319	{0x05, 0x00, 0xca},
320
321	{0x06, 0x70, 0x51},
322	{0x06, 0xbe, 0x53},
323	{}
324};
325
326/*
327 * Made by Tomasz Zablocki (skalamandra@poczta.onet.pl)
328 * SPCA505b chip based cameras initialization data
329 */
330/* jfm */
331#define initial_brightness 0x7f	/* 0x0(white)-0xff(black) */
332/* #define initial_brightness 0x0	//0x0(white)-0xff(black) */
333/*
334 * Data to initialize a SPCA505. Common to the CCD and external modes
335 */
336static const u8 spca505b_init_data[][3] = {
337/* start */
338	{0x02, 0x00, 0x00},		/* init */
339	{0x02, 0x00, 0x01},
340	{0x02, 0x00, 0x02},
341	{0x02, 0x00, 0x03},
342	{0x02, 0x00, 0x04},
343	{0x02, 0x00, 0x05},
344	{0x02, 0x00, 0x06},
345	{0x02, 0x00, 0x07},
346	{0x02, 0x00, 0x08},
347	{0x02, 0x00, 0x09},
348	{0x03, 0x00, 0x00},
349	{0x03, 0x00, 0x01},
350	{0x03, 0x00, 0x02},
351	{0x03, 0x00, 0x03},
352	{0x03, 0x00, 0x04},
353	{0x03, 0x00, 0x05},
354	{0x03, 0x00, 0x06},
355	{0x04, 0x00, 0x00},
356	{0x04, 0x00, 0x02},
357	{0x04, 0x00, 0x04},
358	{0x04, 0x00, 0x05},
359	{0x04, 0x00, 0x06},
360	{0x04, 0x00, 0x07},
361	{0x04, 0x00, 0x08},
362	{0x04, 0x00, 0x09},
363	{0x04, 0x00, 0x0a},
364	{0x04, 0x00, 0x0b},
365	{0x04, 0x00, 0x0c},
366	{0x07, 0x00, 0x00},
367	{0x07, 0x00, 0x03},
368	{0x08, 0x00, 0x00},
369	{0x08, 0x00, 0x01},
370	{0x08, 0x00, 0x02},
371	{0x06, 0x18, 0x08},
372	{0x06, 0xfc, 0x09},
373	{0x06, 0xfc, 0x0a},
374	{0x06, 0xfc, 0x0b},
375	{0x06, 0x18, 0x0c},
376	{0x06, 0xfc, 0x0d},
377	{0x06, 0xfc, 0x0e},
378	{0x06, 0xfc, 0x0f},
379	{0x06, 0x18, 0x10},
380	{0x06, 0xfe, 0x12},
381	{0x06, 0x00, 0x11},
382	{0x06, 0x00, 0x14},
383	{0x06, 0x00, 0x13},
384	{0x06, 0x28, 0x51},
385	{0x06, 0xff, 0x53},
386	{0x02, 0x00, 0x08},
387
388	{0x03, 0x00, 0x03},
389	{0x03, 0x10, 0x03},
390	{}
391};
392
393/*
394 * Data to initialize the camera using the internal CCD
395 */
396static const u8 spca505b_open_data_ccd[][3] = {
397
398/* {0x02,0x00,0x00}, */
399	{0x03, 0x04, 0x01},		/* rst */
400	{0x03, 0x00, 0x01},
401	{0x03, 0x00, 0x00},
402	{0x03, 0x21, 0x00},
403	{0x03, 0x00, 0x04},
404	{0x03, 0x00, 0x03},
405	{0x03, 0x18, 0x03},
406	{0x03, 0x08, 0x01},
407	{0x03, 0x1c, 0x03},
408	{0x03, 0x5c, 0x03},
409	{0x03, 0x5c, 0x03},
410	{0x03, 0x18, 0x01},
411
412/* same as 505 */
413	{0x04, 0x10, 0x01},
414	{0x04, 0x00, 0x04},
415	{0x04, 0x00, 0x05},
416	{0x04, 0x20, 0x06},
417	{0x04, 0x20, 0x07},
418
419	{0x08, 0x0a, 0x00},
420
421	{0x05, 0x00, 0x10},
422	{0x05, 0x00, 0x11},
423	{0x05, 0x00, 0x12},
424	{0x05, 0x6f, 0x00},
425	{0x05, initial_brightness >> 6, 0x00},
426	{0x05, (initial_brightness << 2) & 0xff, 0x01},
427	{0x05, 0x00, 0x02},
428	{0x05, 0x01, 0x03},
429	{0x05, 0x00, 0x04},
430	{0x05, 0x03, 0x05},
431	{0x05, 0xe0, 0x06},
432	{0x05, 0x20, 0x07},
433	{0x05, 0xa0, 0x08},
434	{0x05, 0x00, 0x12},
435	{0x05, 0x02, 0x0f},
436	{0x05, 0x80, 0x14},		/* max exposure off (0=on) */
437	{0x05, 0x01, 0xb0},
438	{0x05, 0x01, 0xbf},
439	{0x03, 0x02, 0x06},
440	{0x05, 0x10, 0x46},
441	{0x05, 0x08, 0x4a},
442
443	{0x06, 0x00, 0x01},
444	{0x06, 0x10, 0x02},
445	{0x06, 0x64, 0x07},
446	{0x06, 0x18, 0x08},
447	{0x06, 0xfc, 0x09},
448	{0x06, 0xfc, 0x0a},
449	{0x06, 0xfc, 0x0b},
450	{0x04, 0x00, 0x01},
451	{0x06, 0x18, 0x0c},
452	{0x06, 0xfc, 0x0d},
453	{0x06, 0xfc, 0x0e},
454	{0x06, 0xfc, 0x0f},
455	{0x06, 0x11, 0x10},		/* contrast */
456	{0x06, 0x00, 0x11},
457	{0x06, 0xfe, 0x12},
458	{0x06, 0x00, 0x13},
459	{0x06, 0x00, 0x14},
460	{0x06, 0x9d, 0x51},
461	{0x06, 0x40, 0x52},
462	{0x06, 0x7c, 0x53},
463	{0x06, 0x40, 0x54},
464	{0x06, 0x02, 0x57},
465	{0x06, 0x03, 0x58},
466	{0x06, 0x15, 0x59},
467	{0x06, 0x05, 0x5a},
468	{0x06, 0x03, 0x56},
469	{0x06, 0x02, 0x3f},
470	{0x06, 0x00, 0x40},
471	{0x06, 0x39, 0x41},
472	{0x06, 0x69, 0x42},
473	{0x06, 0x87, 0x43},
474	{0x06, 0x9e, 0x44},
475	{0x06, 0xb1, 0x45},
476	{0x06, 0xbf, 0x46},
477	{0x06, 0xcc, 0x47},
478	{0x06, 0xd5, 0x48},
479	{0x06, 0xdd, 0x49},
480	{0x06, 0xe3, 0x4a},
481	{0x06, 0xe8, 0x4b},
482	{0x06, 0xed, 0x4c},
483	{0x06, 0xf2, 0x4d},
484	{0x06, 0xf7, 0x4e},
485	{0x06, 0xfc, 0x4f},
486	{0x06, 0xff, 0x50},
487
488	{0x05, 0x01, 0xc0},
489	{0x05, 0x10, 0xcb},
490	{0x05, 0x40, 0xc1},
491	{0x05, 0x04, 0xc2},
492	{0x05, 0x00, 0xca},
493	{0x05, 0x40, 0xc1},
494	{0x05, 0x09, 0xc2},
495	{0x05, 0x00, 0xca},
496	{0x05, 0xc0, 0xc1},
497	{0x05, 0x09, 0xc2},
498	{0x05, 0x00, 0xca},
499	{0x05, 0x40, 0xc1},
500	{0x05, 0x59, 0xc2},
501	{0x05, 0x00, 0xca},
502	{0x04, 0x00, 0x01},
503	{0x05, 0x80, 0xc1},
504	{0x05, 0xec, 0xc2},
505	{0x05, 0x0, 0xca},
506
507	{0x06, 0x02, 0x57},
508	{0x06, 0x01, 0x58},
509	{0x06, 0x15, 0x59},
510	{0x06, 0x0a, 0x5a},
511	{0x06, 0x01, 0x57},
512	{0x06, 0x8a, 0x03},
513	{0x06, 0x0a, 0x6c},
514	{0x06, 0x30, 0x01},
515	{0x06, 0x20, 0x02},
516	{0x06, 0x00, 0x03},
517
518	{0x05, 0x8c, 0x25},
519
520	{0x06, 0x4d, 0x51},		/* maybe saturation (4d) */
521	{0x06, 0x84, 0x53},		/* making green (84) */
522	{0x06, 0x00, 0x57},		/* sharpness (1) */
523	{0x06, 0x18, 0x08},
524	{0x06, 0xfc, 0x09},
525	{0x06, 0xfc, 0x0a},
526	{0x06, 0xfc, 0x0b},
527	{0x06, 0x18, 0x0c},		/* maybe hue (18) */
528	{0x06, 0xfc, 0x0d},
529	{0x06, 0xfc, 0x0e},
530	{0x06, 0xfc, 0x0f},
531	{0x06, 0x18, 0x10},		/* maybe contrast (18) */
532
533	{0x05, 0x01, 0x02},
534
535	{0x04, 0x00, 0x08},		/* compression */
536	{0x04, 0x12, 0x09},
537	{0x04, 0x21, 0x0a},
538	{0x04, 0x10, 0x0b},
539	{0x04, 0x21, 0x0c},
540	{0x04, 0x1d, 0x00},		/* imagetype (1d) */
541	{0x04, 0x41, 0x01},		/* hardware snapcontrol */
542
543	{0x04, 0x00, 0x04},
544	{0x04, 0x00, 0x05},
545	{0x04, 0x10, 0x06},
546	{0x04, 0x10, 0x07},
547	{0x04, 0x40, 0x06},
548	{0x04, 0x40, 0x07},
549	{0x04, 0x00, 0x04},
550	{0x04, 0x00, 0x05},
551
552	{0x06, 0x1c, 0x17},
553	{0x06, 0xe2, 0x19},
554	{0x06, 0x1c, 0x1b},
555	{0x06, 0xe2, 0x1d},
556	{0x06, 0x5f, 0x1f},
557	{0x06, 0x32, 0x20},
558
559	{0x05, initial_brightness >> 6, 0x00},
560	{0x05, (initial_brightness << 2) & 0xff, 0x01},
561	{0x05, 0x06, 0xc1},
562	{0x05, 0x58, 0xc2},
563	{0x05, 0x00, 0xca},
564	{0x05, 0x00, 0x11},
565	{}
566};
567
568static int reg_write(struct usb_device *dev,
569		     u16 req, u16 index, u16 value)
570{
571	int ret;
572
573	ret = usb_control_msg(dev,
574			usb_sndctrlpipe(dev, 0),
575			req,
576			USB_TYPE_VENDOR | USB_RECIP_DEVICE,
577			value, index, NULL, 0, 500);
578	PDEBUG(D_USBO, "reg write: 0x%02x,0x%02x:0x%02x, %d",
579		req, index, value, ret);
580	if (ret < 0)
581		err("reg write: error %d", ret);
582	return ret;
583}
584
585/* returns: negative is error, pos or zero is data */
586static int reg_read(struct gspca_dev *gspca_dev,
587			u16 req,	/* bRequest */
588			u16 index)	/* wIndex */
589{
590	int ret;
591
592	ret = usb_control_msg(gspca_dev->dev,
593			usb_rcvctrlpipe(gspca_dev->dev, 0),
594			req,
595			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
596			0,			/* value */
597			index,
598			gspca_dev->usb_buf, 2,
599			500);			/* timeout */
600	if (ret < 0)
601		return ret;
602	return (gspca_dev->usb_buf[1] << 8) + gspca_dev->usb_buf[0];
603}
604
605static int write_vector(struct gspca_dev *gspca_dev,
606			const u8 data[][3])
607{
608	struct usb_device *dev = gspca_dev->dev;
609	int ret, i = 0;
610
611	while (data[i][0] != 0) {
612		ret = reg_write(dev, data[i][0], data[i][2], data[i][1]);
613		if (ret < 0)
614			return ret;
615		i++;
616	}
617	return 0;
618}
619
620/* this function is called at probe time */
621static int sd_config(struct gspca_dev *gspca_dev,
622			const struct usb_device_id *id)
623{
624	struct sd *sd = (struct sd *) gspca_dev;
625	struct cam *cam;
626
627	cam = &gspca_dev->cam;
628	cam->cam_mode = vga_mode;
629	sd->subtype = id->driver_info;
630	if (sd->subtype != IntelPCCameraPro)
631		cam->nmodes = ARRAY_SIZE(vga_mode);
632	else			/* no 640x480 for IntelPCCameraPro */
633		cam->nmodes = ARRAY_SIZE(vga_mode) - 1;
634	sd->brightness = BRIGHTNESS_DEF;
635
636	return 0;
637}
638
639/* this function is called at probe and resume time */
640static int sd_init(struct gspca_dev *gspca_dev)
641{
642	struct sd *sd = (struct sd *) gspca_dev;
643
644	if (write_vector(gspca_dev,
645			 sd->subtype == Nxultra
646				? spca505b_init_data
647				: spca505_init_data))
648		return -EIO;
649	return 0;
650}
651
652static void setbrightness(struct gspca_dev *gspca_dev)
653{
654	struct sd *sd = (struct sd *) gspca_dev;
655	u8 brightness = sd->brightness;
656
657	reg_write(gspca_dev->dev, 0x05, 0x00, (255 - brightness) >> 6);
658	reg_write(gspca_dev->dev, 0x05, 0x01, (255 - brightness) << 2);
659}
660
661static int sd_start(struct gspca_dev *gspca_dev)
662{
663	struct sd *sd = (struct sd *) gspca_dev;
664	struct usb_device *dev = gspca_dev->dev;
665	int ret, mode;
666	static u8 mode_tb[][3] = {
667	/*	  r00   r06   r07	*/
668		{0x00, 0x10, 0x10},	/* 640x480 */
669		{0x01, 0x1a, 0x1a},	/* 352x288 */
670		{0x02, 0x1c, 0x1d},	/* 320x240 */
671		{0x04, 0x34, 0x34},	/* 176x144 */
672		{0x05, 0x40, 0x40}	/* 160x120 */
673	};
674
675	if (sd->subtype == Nxultra)
676		write_vector(gspca_dev, spca505b_open_data_ccd);
677	else
678		write_vector(gspca_dev, spca505_open_data_ccd);
679	ret = reg_read(gspca_dev, 0x06, 0x16);
680
681	if (ret < 0) {
682		PDEBUG(D_ERR|D_CONF,
683		       "register read failed err: %d",
684		       ret);
685		return ret;
686	}
687	if (ret != 0x0101) {
688		err("After vector read returns 0x%04x should be 0x0101",
689			ret);
690	}
691
692	ret = reg_write(gspca_dev->dev, 0x06, 0x16, 0x0a);
693	if (ret < 0)
694		return ret;
695	reg_write(gspca_dev->dev, 0x05, 0xc2, 0x12);
696
697	/* necessary because without it we can see stream
698	 * only once after loading module */
699	/* stopping usb registers Tomasz change */
700	reg_write(dev, 0x02, 0x00, 0x00);
701
702	mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
703	reg_write(dev, SPCA50X_REG_COMPRESS, 0x00, mode_tb[mode][0]);
704	reg_write(dev, SPCA50X_REG_COMPRESS, 0x06, mode_tb[mode][1]);
705	reg_write(dev, SPCA50X_REG_COMPRESS, 0x07, mode_tb[mode][2]);
706
707	ret = reg_write(dev, SPCA50X_REG_USB,
708			 SPCA50X_USB_CTRL,
709			 SPCA50X_CUSB_ENABLE);
710
711	setbrightness(gspca_dev);
712
713	return ret;
714}
715
716static void sd_stopN(struct gspca_dev *gspca_dev)
717{
718	/* Disable ISO packet machine */
719	reg_write(gspca_dev->dev, 0x02, 0x00, 0x00);
720}
721
722/* called on streamoff with alt 0 and on disconnect */
723static void sd_stop0(struct gspca_dev *gspca_dev)
724{
725	if (!gspca_dev->present)
726		return;
727
728	/* This maybe reset or power control */
729	reg_write(gspca_dev->dev, 0x03, 0x03, 0x20);
730	reg_write(gspca_dev->dev, 0x03, 0x01, 0x00);
731	reg_write(gspca_dev->dev, 0x03, 0x00, 0x01);
732	reg_write(gspca_dev->dev, 0x05, 0x10, 0x01);
733	reg_write(gspca_dev->dev, 0x05, 0x11, 0x0f);
734}
735
736static void sd_pkt_scan(struct gspca_dev *gspca_dev,
737			u8 *data,			/* isoc packet */
738			int len)			/* iso packet length */
739{
740	switch (data[0]) {
741	case 0:				/* start of frame */
742		gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
743		data += SPCA50X_OFFSET_DATA;
744		len -= SPCA50X_OFFSET_DATA;
745		gspca_frame_add(gspca_dev, FIRST_PACKET, data, len);
746		break;
747	case 0xff:			/* drop */
748		break;
749	default:
750		data += 1;
751		len -= 1;
752		gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
753		break;
754	}
755}
756
757static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
758{
759	struct sd *sd = (struct sd *) gspca_dev;
760
761	sd->brightness = val;
762	if (gspca_dev->streaming)
763		setbrightness(gspca_dev);
764	return 0;
765}
766
767static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
768{
769	struct sd *sd = (struct sd *) gspca_dev;
770
771	*val = sd->brightness;
772	return 0;
773}
774
775/* sub-driver description */
776static const struct sd_desc sd_desc = {
777	.name = MODULE_NAME,
778	.ctrls = sd_ctrls,
779	.nctrls = ARRAY_SIZE(sd_ctrls),
780	.config = sd_config,
781	.init = sd_init,
782	.start = sd_start,
783	.stopN = sd_stopN,
784	.stop0 = sd_stop0,
785	.pkt_scan = sd_pkt_scan,
786};
787
788/* -- module initialisation -- */
789static const struct usb_device_id device_table[] = {
790	{USB_DEVICE(0x041e, 0x401d), .driver_info = Nxultra},
791	{USB_DEVICE(0x0733, 0x0430), .driver_info = IntelPCCameraPro},
792/*fixme: may be UsbGrabberPV321 BRIDGE_SPCA506 SENSOR_SAA7113 */
793	{}
794};
795MODULE_DEVICE_TABLE(usb, device_table);
796
797/* -- device connect -- */
798static int sd_probe(struct usb_interface *intf,
799			const struct usb_device_id *id)
800{
801	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
802				THIS_MODULE);
803}
804
805static struct usb_driver sd_driver = {
806	.name = MODULE_NAME,
807	.id_table = device_table,
808	.probe = sd_probe,
809	.disconnect = gspca_disconnect,
810#ifdef CONFIG_PM
811	.suspend = gspca_suspend,
812	.resume = gspca_resume,
813#endif
814};
815
816/* -- module insert / remove -- */
817static int __init sd_mod_init(void)
818{
819	return usb_register(&sd_driver);
820}
821static void __exit sd_mod_exit(void)
822{
823	usb_deregister(&sd_driver);
824}
825
826module_init(sd_mod_init);
827module_exit(sd_mod_exit);