1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * SPCA505 chip based cameras initialization data
4 *
5 * V4L2 by Jean-Francis Moine <http://moinejf.free.fr>
6 */
7
8#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
9
10#define MODULE_NAME "spca505"
11
12#include "gspca.h"
13
14MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
15MODULE_DESCRIPTION("GSPCA/SPCA505 USB Camera Driver");
16MODULE_LICENSE("GPL");
17
18/* specific webcam descriptor */
19struct sd {
20	struct gspca_dev gspca_dev;		/* !! must be the first item */
21
22	u8 subtype;
23#define IntelPCCameraPro 0
24#define Nxultra 1
25};
26
27static const struct v4l2_pix_format vga_mode[] = {
28	{160, 120, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
29		.bytesperline = 160,
30		.sizeimage = 160 * 120 * 3 / 2,
31		.colorspace = V4L2_COLORSPACE_SRGB,
32		.priv = 4},
33	{176, 144, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
34		.bytesperline = 176,
35		.sizeimage = 176 * 144 * 3 / 2,
36		.colorspace = V4L2_COLORSPACE_SRGB,
37		.priv = 3},
38	{320, 240, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
39		.bytesperline = 320,
40		.sizeimage = 320 * 240 * 3 / 2,
41		.colorspace = V4L2_COLORSPACE_SRGB,
42		.priv = 2},
43	{352, 288, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
44		.bytesperline = 352,
45		.sizeimage = 352 * 288 * 3 / 2,
46		.colorspace = V4L2_COLORSPACE_SRGB,
47		.priv = 1},
48	{640, 480, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
49		.bytesperline = 640,
50		.sizeimage = 640 * 480 * 3 / 2,
51		.colorspace = V4L2_COLORSPACE_SRGB,
52		.priv = 0},
53};
54
55#define SPCA50X_OFFSET_DATA 10
56
57#define SPCA50X_REG_USB 0x02	/* spca505 501 */
58
59#define SPCA50X_USB_CTRL 0x00	/* spca505 */
60#define SPCA50X_CUSB_ENABLE 0x01 /* spca505 */
61
62#define SPCA50X_REG_GLOBAL 0x03	/* spca505 */
63#define SPCA50X_GMISC0_IDSEL 0x01 /* Global control device ID select spca505 */
64#define SPCA50X_GLOBAL_MISC0 0x00 /* Global control miscellaneous 0 spca505 */
65
66#define SPCA50X_GLOBAL_MISC1 0x01 /* 505 */
67#define SPCA50X_GLOBAL_MISC3 0x03 /* 505 */
68#define SPCA50X_GMISC3_SAA7113RST 0x20	/* Not sure about this one spca505 */
69
70/* Image format and compression control */
71#define SPCA50X_REG_COMPRESS 0x04
72
73/*
74 * Data to initialize a SPCA505. Common to the CCD and external modes
75 */
76static const u8 spca505_init_data[][3] = {
77	/* bmRequest,value,index */
78	{SPCA50X_REG_GLOBAL, SPCA50X_GMISC3_SAA7113RST, SPCA50X_GLOBAL_MISC3},
79	/* Sensor reset */
80	{SPCA50X_REG_GLOBAL, 0x00, SPCA50X_GLOBAL_MISC3},
81	{SPCA50X_REG_GLOBAL, 0x00, SPCA50X_GLOBAL_MISC1},
82	/* Block USB reset */
83	{SPCA50X_REG_GLOBAL, SPCA50X_GMISC0_IDSEL, SPCA50X_GLOBAL_MISC0},
84
85	{0x05, 0x01, 0x10},
86					/* Maybe power down some stuff */
87	{0x05, 0x0f, 0x11},
88
89	/* Setup internal CCD  ? */
90	{0x06, 0x10, 0x08},
91	{0x06, 0x00, 0x09},
92	{0x06, 0x00, 0x0a},
93	{0x06, 0x00, 0x0b},
94	{0x06, 0x10, 0x0c},
95	{0x06, 0x00, 0x0d},
96	{0x06, 0x00, 0x0e},
97	{0x06, 0x00, 0x0f},
98	{0x06, 0x10, 0x10},
99	{0x06, 0x02, 0x11},
100	{0x06, 0x00, 0x12},
101	{0x06, 0x04, 0x13},
102	{0x06, 0x02, 0x14},
103	{0x06, 0x8a, 0x51},
104	{0x06, 0x40, 0x52},
105	{0x06, 0xb6, 0x53},
106	{0x06, 0x3d, 0x54},
107	{}
108};
109
110/*
111 * Data to initialize the camera using the internal CCD
112 */
113static const u8 spca505_open_data_ccd[][3] = {
114	/* bmRequest,value,index */
115	/* Internal CCD data set */
116	{0x03, 0x04, 0x01},
117	/* This could be a reset */
118	{0x03, 0x00, 0x01},
119
120	/* Setup compression and image registers. 0x6 and 0x7 seem to be
121	   related to H&V hold, and are resolution mode specific */
122		{0x04, 0x10, 0x01},
123		/* DIFF(0x50), was (0x10) */
124	{0x04, 0x00, 0x04},
125	{0x04, 0x00, 0x05},
126	{0x04, 0x20, 0x06},
127	{0x04, 0x20, 0x07},
128
129	{0x08, 0x0a, 0x00},
130	/* DIFF (0x4a), was (0xa) */
131
132	{0x05, 0x00, 0x10},
133	{0x05, 0x00, 0x11},
134	{0x05, 0x00, 0x00},
135	/* DIFF not written */
136	{0x05, 0x00, 0x01},
137	/* DIFF not written */
138	{0x05, 0x00, 0x02},
139	/* DIFF not written */
140	{0x05, 0x00, 0x03},
141	/* DIFF not written */
142	{0x05, 0x00, 0x04},
143	/* DIFF not written */
144		{0x05, 0x80, 0x05},
145		/* DIFF not written */
146		{0x05, 0xe0, 0x06},
147		/* DIFF not written */
148		{0x05, 0x20, 0x07},
149		/* DIFF not written */
150		{0x05, 0xa0, 0x08},
151		/* DIFF not written */
152		{0x05, 0x0, 0x12},
153		/* DIFF not written */
154	{0x05, 0x02, 0x0f},
155	/* DIFF not written */
156		{0x05, 0x10, 0x46},
157		/* DIFF not written */
158		{0x05, 0x8, 0x4a},
159		/* DIFF not written */
160
161	{0x03, 0x08, 0x03},
162	/* DIFF (0x3,0x28,0x3) */
163	{0x03, 0x08, 0x01},
164	{0x03, 0x0c, 0x03},
165	/* DIFF not written */
166		{0x03, 0x21, 0x00},
167		/* DIFF (0x39) */
168
169/* Extra block copied from init to hopefully ensure CCD is in a sane state */
170	{0x06, 0x10, 0x08},
171	{0x06, 0x00, 0x09},
172	{0x06, 0x00, 0x0a},
173	{0x06, 0x00, 0x0b},
174	{0x06, 0x10, 0x0c},
175	{0x06, 0x00, 0x0d},
176	{0x06, 0x00, 0x0e},
177	{0x06, 0x00, 0x0f},
178	{0x06, 0x10, 0x10},
179	{0x06, 0x02, 0x11},
180	{0x06, 0x00, 0x12},
181	{0x06, 0x04, 0x13},
182	{0x06, 0x02, 0x14},
183	{0x06, 0x8a, 0x51},
184	{0x06, 0x40, 0x52},
185	{0x06, 0xb6, 0x53},
186	{0x06, 0x3d, 0x54},
187	/* End of extra block */
188
189		{0x06, 0x3f, 0x1},
190		/* Block skipped */
191	{0x06, 0x10, 0x02},
192	{0x06, 0x64, 0x07},
193	{0x06, 0x10, 0x08},
194	{0x06, 0x00, 0x09},
195	{0x06, 0x00, 0x0a},
196	{0x06, 0x00, 0x0b},
197	{0x06, 0x10, 0x0c},
198	{0x06, 0x00, 0x0d},
199	{0x06, 0x00, 0x0e},
200	{0x06, 0x00, 0x0f},
201	{0x06, 0x10, 0x10},
202	{0x06, 0x02, 0x11},
203	{0x06, 0x00, 0x12},
204	{0x06, 0x04, 0x13},
205	{0x06, 0x02, 0x14},
206	{0x06, 0x8a, 0x51},
207	{0x06, 0x40, 0x52},
208	{0x06, 0xb6, 0x53},
209	{0x06, 0x3d, 0x54},
210	{0x06, 0x60, 0x57},
211	{0x06, 0x20, 0x58},
212	{0x06, 0x15, 0x59},
213	{0x06, 0x05, 0x5a},
214
215	{0x05, 0x01, 0xc0},
216	{0x05, 0x10, 0xcb},
217		{0x05, 0x80, 0xc1},
218		/* */
219		{0x05, 0x0, 0xc2},
220		/* 4 was 0 */
221	{0x05, 0x00, 0xca},
222		{0x05, 0x80, 0xc1},
223		/*  */
224	{0x05, 0x04, 0xc2},
225	{0x05, 0x00, 0xca},
226		{0x05, 0x0, 0xc1},
227		/*  */
228	{0x05, 0x00, 0xc2},
229	{0x05, 0x00, 0xca},
230		{0x05, 0x40, 0xc1},
231		/* */
232	{0x05, 0x17, 0xc2},
233	{0x05, 0x00, 0xca},
234		{0x05, 0x80, 0xc1},
235		/* */
236	{0x05, 0x06, 0xc2},
237	{0x05, 0x00, 0xca},
238		{0x05, 0x80, 0xc1},
239		/* */
240	{0x05, 0x04, 0xc2},
241	{0x05, 0x00, 0xca},
242
243	{0x03, 0x4c, 0x3},
244	{0x03, 0x18, 0x1},
245
246	{0x06, 0x70, 0x51},
247	{0x06, 0xbe, 0x53},
248	{0x06, 0x71, 0x57},
249	{0x06, 0x20, 0x58},
250	{0x06, 0x05, 0x59},
251	{0x06, 0x15, 0x5a},
252
253	{0x04, 0x00, 0x08},
254	/* Compress = OFF (0x1 to turn on) */
255	{0x04, 0x12, 0x09},
256	{0x04, 0x21, 0x0a},
257	{0x04, 0x10, 0x0b},
258	{0x04, 0x21, 0x0c},
259	{0x04, 0x05, 0x00},
260	/* was 5 (Image Type ? ) */
261	{0x04, 0x00, 0x01},
262
263	{0x06, 0x3f, 0x01},
264
265	{0x04, 0x00, 0x04},
266	{0x04, 0x00, 0x05},
267	{0x04, 0x40, 0x06},
268	{0x04, 0x40, 0x07},
269
270	{0x06, 0x1c, 0x17},
271	{0x06, 0xe2, 0x19},
272	{0x06, 0x1c, 0x1b},
273	{0x06, 0xe2, 0x1d},
274	{0x06, 0xaa, 0x1f},
275	{0x06, 0x70, 0x20},
276
277	{0x05, 0x01, 0x10},
278	{0x05, 0x00, 0x11},
279	{0x05, 0x01, 0x00},
280	{0x05, 0x05, 0x01},
281		{0x05, 0x00, 0xc1},
282		/* */
283	{0x05, 0x00, 0xc2},
284	{0x05, 0x00, 0xca},
285
286	{0x06, 0x70, 0x51},
287	{0x06, 0xbe, 0x53},
288	{}
289};
290
291/*
292 * Made by Tomasz Zablocki (skalamandra@poczta.onet.pl)
293 * SPCA505b chip based cameras initialization data
294 */
295/* jfm */
296#define initial_brightness 0x7f	/* 0x0(white)-0xff(black) */
297/* #define initial_brightness 0x0	//0x0(white)-0xff(black) */
298/*
299 * Data to initialize a SPCA505. Common to the CCD and external modes
300 */
301static const u8 spca505b_init_data[][3] = {
302/* start */
303	{0x02, 0x00, 0x00},		/* init */
304	{0x02, 0x00, 0x01},
305	{0x02, 0x00, 0x02},
306	{0x02, 0x00, 0x03},
307	{0x02, 0x00, 0x04},
308	{0x02, 0x00, 0x05},
309	{0x02, 0x00, 0x06},
310	{0x02, 0x00, 0x07},
311	{0x02, 0x00, 0x08},
312	{0x02, 0x00, 0x09},
313	{0x03, 0x00, 0x00},
314	{0x03, 0x00, 0x01},
315	{0x03, 0x00, 0x02},
316	{0x03, 0x00, 0x03},
317	{0x03, 0x00, 0x04},
318	{0x03, 0x00, 0x05},
319	{0x03, 0x00, 0x06},
320	{0x04, 0x00, 0x00},
321	{0x04, 0x00, 0x02},
322	{0x04, 0x00, 0x04},
323	{0x04, 0x00, 0x05},
324	{0x04, 0x00, 0x06},
325	{0x04, 0x00, 0x07},
326	{0x04, 0x00, 0x08},
327	{0x04, 0x00, 0x09},
328	{0x04, 0x00, 0x0a},
329	{0x04, 0x00, 0x0b},
330	{0x04, 0x00, 0x0c},
331	{0x07, 0x00, 0x00},
332	{0x07, 0x00, 0x03},
333	{0x08, 0x00, 0x00},
334	{0x08, 0x00, 0x01},
335	{0x08, 0x00, 0x02},
336	{0x06, 0x18, 0x08},
337	{0x06, 0xfc, 0x09},
338	{0x06, 0xfc, 0x0a},
339	{0x06, 0xfc, 0x0b},
340	{0x06, 0x18, 0x0c},
341	{0x06, 0xfc, 0x0d},
342	{0x06, 0xfc, 0x0e},
343	{0x06, 0xfc, 0x0f},
344	{0x06, 0x18, 0x10},
345	{0x06, 0xfe, 0x12},
346	{0x06, 0x00, 0x11},
347	{0x06, 0x00, 0x14},
348	{0x06, 0x00, 0x13},
349	{0x06, 0x28, 0x51},
350	{0x06, 0xff, 0x53},
351	{0x02, 0x00, 0x08},
352
353	{0x03, 0x00, 0x03},
354	{0x03, 0x10, 0x03},
355	{}
356};
357
358/*
359 * Data to initialize the camera using the internal CCD
360 */
361static const u8 spca505b_open_data_ccd[][3] = {
362
363/* {0x02,0x00,0x00}, */
364	{0x03, 0x04, 0x01},		/* rst */
365	{0x03, 0x00, 0x01},
366	{0x03, 0x00, 0x00},
367	{0x03, 0x21, 0x00},
368	{0x03, 0x00, 0x04},
369	{0x03, 0x00, 0x03},
370	{0x03, 0x18, 0x03},
371	{0x03, 0x08, 0x01},
372	{0x03, 0x1c, 0x03},
373	{0x03, 0x5c, 0x03},
374	{0x03, 0x5c, 0x03},
375	{0x03, 0x18, 0x01},
376
377/* same as 505 */
378	{0x04, 0x10, 0x01},
379	{0x04, 0x00, 0x04},
380	{0x04, 0x00, 0x05},
381	{0x04, 0x20, 0x06},
382	{0x04, 0x20, 0x07},
383
384	{0x08, 0x0a, 0x00},
385
386	{0x05, 0x00, 0x10},
387	{0x05, 0x00, 0x11},
388	{0x05, 0x00, 0x12},
389	{0x05, 0x6f, 0x00},
390	{0x05, initial_brightness >> 6, 0x00},
391	{0x05, (initial_brightness << 2) & 0xff, 0x01},
392	{0x05, 0x00, 0x02},
393	{0x05, 0x01, 0x03},
394	{0x05, 0x00, 0x04},
395	{0x05, 0x03, 0x05},
396	{0x05, 0xe0, 0x06},
397	{0x05, 0x20, 0x07},
398	{0x05, 0xa0, 0x08},
399	{0x05, 0x00, 0x12},
400	{0x05, 0x02, 0x0f},
401	{0x05, 0x80, 0x14},		/* max exposure off (0=on) */
402	{0x05, 0x01, 0xb0},
403	{0x05, 0x01, 0xbf},
404	{0x03, 0x02, 0x06},
405	{0x05, 0x10, 0x46},
406	{0x05, 0x08, 0x4a},
407
408	{0x06, 0x00, 0x01},
409	{0x06, 0x10, 0x02},
410	{0x06, 0x64, 0x07},
411	{0x06, 0x18, 0x08},
412	{0x06, 0xfc, 0x09},
413	{0x06, 0xfc, 0x0a},
414	{0x06, 0xfc, 0x0b},
415	{0x04, 0x00, 0x01},
416	{0x06, 0x18, 0x0c},
417	{0x06, 0xfc, 0x0d},
418	{0x06, 0xfc, 0x0e},
419	{0x06, 0xfc, 0x0f},
420	{0x06, 0x11, 0x10},		/* contrast */
421	{0x06, 0x00, 0x11},
422	{0x06, 0xfe, 0x12},
423	{0x06, 0x00, 0x13},
424	{0x06, 0x00, 0x14},
425	{0x06, 0x9d, 0x51},
426	{0x06, 0x40, 0x52},
427	{0x06, 0x7c, 0x53},
428	{0x06, 0x40, 0x54},
429	{0x06, 0x02, 0x57},
430	{0x06, 0x03, 0x58},
431	{0x06, 0x15, 0x59},
432	{0x06, 0x05, 0x5a},
433	{0x06, 0x03, 0x56},
434	{0x06, 0x02, 0x3f},
435	{0x06, 0x00, 0x40},
436	{0x06, 0x39, 0x41},
437	{0x06, 0x69, 0x42},
438	{0x06, 0x87, 0x43},
439	{0x06, 0x9e, 0x44},
440	{0x06, 0xb1, 0x45},
441	{0x06, 0xbf, 0x46},
442	{0x06, 0xcc, 0x47},
443	{0x06, 0xd5, 0x48},
444	{0x06, 0xdd, 0x49},
445	{0x06, 0xe3, 0x4a},
446	{0x06, 0xe8, 0x4b},
447	{0x06, 0xed, 0x4c},
448	{0x06, 0xf2, 0x4d},
449	{0x06, 0xf7, 0x4e},
450	{0x06, 0xfc, 0x4f},
451	{0x06, 0xff, 0x50},
452
453	{0x05, 0x01, 0xc0},
454	{0x05, 0x10, 0xcb},
455	{0x05, 0x40, 0xc1},
456	{0x05, 0x04, 0xc2},
457	{0x05, 0x00, 0xca},
458	{0x05, 0x40, 0xc1},
459	{0x05, 0x09, 0xc2},
460	{0x05, 0x00, 0xca},
461	{0x05, 0xc0, 0xc1},
462	{0x05, 0x09, 0xc2},
463	{0x05, 0x00, 0xca},
464	{0x05, 0x40, 0xc1},
465	{0x05, 0x59, 0xc2},
466	{0x05, 0x00, 0xca},
467	{0x04, 0x00, 0x01},
468	{0x05, 0x80, 0xc1},
469	{0x05, 0xec, 0xc2},
470	{0x05, 0x0, 0xca},
471
472	{0x06, 0x02, 0x57},
473	{0x06, 0x01, 0x58},
474	{0x06, 0x15, 0x59},
475	{0x06, 0x0a, 0x5a},
476	{0x06, 0x01, 0x57},
477	{0x06, 0x8a, 0x03},
478	{0x06, 0x0a, 0x6c},
479	{0x06, 0x30, 0x01},
480	{0x06, 0x20, 0x02},
481	{0x06, 0x00, 0x03},
482
483	{0x05, 0x8c, 0x25},
484
485	{0x06, 0x4d, 0x51},		/* maybe saturation (4d) */
486	{0x06, 0x84, 0x53},		/* making green (84) */
487	{0x06, 0x00, 0x57},		/* sharpness (1) */
488	{0x06, 0x18, 0x08},
489	{0x06, 0xfc, 0x09},
490	{0x06, 0xfc, 0x0a},
491	{0x06, 0xfc, 0x0b},
492	{0x06, 0x18, 0x0c},		/* maybe hue (18) */
493	{0x06, 0xfc, 0x0d},
494	{0x06, 0xfc, 0x0e},
495	{0x06, 0xfc, 0x0f},
496	{0x06, 0x18, 0x10},		/* maybe contrast (18) */
497
498	{0x05, 0x01, 0x02},
499
500	{0x04, 0x00, 0x08},		/* compression */
501	{0x04, 0x12, 0x09},
502	{0x04, 0x21, 0x0a},
503	{0x04, 0x10, 0x0b},
504	{0x04, 0x21, 0x0c},
505	{0x04, 0x1d, 0x00},		/* imagetype (1d) */
506	{0x04, 0x41, 0x01},		/* hardware snapcontrol */
507
508	{0x04, 0x00, 0x04},
509	{0x04, 0x00, 0x05},
510	{0x04, 0x10, 0x06},
511	{0x04, 0x10, 0x07},
512	{0x04, 0x40, 0x06},
513	{0x04, 0x40, 0x07},
514	{0x04, 0x00, 0x04},
515	{0x04, 0x00, 0x05},
516
517	{0x06, 0x1c, 0x17},
518	{0x06, 0xe2, 0x19},
519	{0x06, 0x1c, 0x1b},
520	{0x06, 0xe2, 0x1d},
521	{0x06, 0x5f, 0x1f},
522	{0x06, 0x32, 0x20},
523
524	{0x05, initial_brightness >> 6, 0x00},
525	{0x05, (initial_brightness << 2) & 0xff, 0x01},
526	{0x05, 0x06, 0xc1},
527	{0x05, 0x58, 0xc2},
528	{0x05, 0x00, 0xca},
529	{0x05, 0x00, 0x11},
530	{}
531};
532
533static int reg_write(struct gspca_dev *gspca_dev,
534		     u16 req, u16 index, u16 value)
535{
536	int ret;
537	struct usb_device *dev = gspca_dev->dev;
538
539	ret = usb_control_msg(dev,
540			usb_sndctrlpipe(dev, 0),
541			req,
542			USB_TYPE_VENDOR | USB_RECIP_DEVICE,
543			value, index, NULL, 0, 500);
544	gspca_dbg(gspca_dev, D_USBO, "reg write: 0x%02x,0x%02x:0x%02x, %d\n",
545		  req, index, value, ret);
546	if (ret < 0)
547		pr_err("reg write: error %d\n", ret);
548	return ret;
549}
550
551/* returns: negative is error, pos or zero is data */
552static int reg_read(struct gspca_dev *gspca_dev,
553			u16 req,	/* bRequest */
554			u16 index)	/* wIndex */
555{
556	int ret;
557
558	ret = usb_control_msg(gspca_dev->dev,
559			usb_rcvctrlpipe(gspca_dev->dev, 0),
560			req,
561			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
562			0,			/* value */
563			index,
564			gspca_dev->usb_buf, 2,
565			500);			/* timeout */
566	if (ret < 0)
567		return ret;
568	return (gspca_dev->usb_buf[1] << 8) + gspca_dev->usb_buf[0];
569}
570
571static int write_vector(struct gspca_dev *gspca_dev,
572			const u8 data[][3])
573{
574	int ret, i = 0;
575
576	while (data[i][0] != 0) {
577		ret = reg_write(gspca_dev, data[i][0], data[i][2],
578								data[i][1]);
579		if (ret < 0)
580			return ret;
581		i++;
582	}
583	return 0;
584}
585
586/* this function is called at probe time */
587static int sd_config(struct gspca_dev *gspca_dev,
588			const struct usb_device_id *id)
589{
590	struct sd *sd = (struct sd *) gspca_dev;
591	struct cam *cam;
592
593	cam = &gspca_dev->cam;
594	cam->cam_mode = vga_mode;
595	sd->subtype = id->driver_info;
596	if (sd->subtype != IntelPCCameraPro)
597		cam->nmodes = ARRAY_SIZE(vga_mode);
598	else			/* no 640x480 for IntelPCCameraPro */
599		cam->nmodes = ARRAY_SIZE(vga_mode) - 1;
600
601	return 0;
602}
603
604/* this function is called at probe and resume time */
605static int sd_init(struct gspca_dev *gspca_dev)
606{
607	struct sd *sd = (struct sd *) gspca_dev;
608
609	if (write_vector(gspca_dev,
610			 sd->subtype == Nxultra
611				? spca505b_init_data
612				: spca505_init_data))
613		return -EIO;
614	return 0;
615}
616
617static void setbrightness(struct gspca_dev *gspca_dev, s32 brightness)
618{
619	reg_write(gspca_dev, 0x05, 0x00, (255 - brightness) >> 6);
620	reg_write(gspca_dev, 0x05, 0x01, (255 - brightness) << 2);
621}
622
623static int sd_start(struct gspca_dev *gspca_dev)
624{
625	struct sd *sd = (struct sd *) gspca_dev;
626	int ret, mode;
627	static u8 mode_tb[][3] = {
628	/*	  r00   r06   r07	*/
629		{0x00, 0x10, 0x10},	/* 640x480 */
630		{0x01, 0x1a, 0x1a},	/* 352x288 */
631		{0x02, 0x1c, 0x1d},	/* 320x240 */
632		{0x04, 0x34, 0x34},	/* 176x144 */
633		{0x05, 0x40, 0x40}	/* 160x120 */
634	};
635
636	if (sd->subtype == Nxultra)
637		write_vector(gspca_dev, spca505b_open_data_ccd);
638	else
639		write_vector(gspca_dev, spca505_open_data_ccd);
640	ret = reg_read(gspca_dev, 0x06, 0x16);
641
642	if (ret < 0) {
643		gspca_err(gspca_dev, "register read failed err: %d\n", ret);
644		return ret;
645	}
646	if (ret != 0x0101) {
647		pr_err("After vector read returns 0x%04x should be 0x0101\n",
648		       ret);
649	}
650
651	ret = reg_write(gspca_dev, 0x06, 0x16, 0x0a);
652	if (ret < 0)
653		return ret;
654	reg_write(gspca_dev, 0x05, 0xc2, 0x12);
655
656	/* necessary because without it we can see stream
657	 * only once after loading module */
658	/* stopping usb registers Tomasz change */
659	reg_write(gspca_dev, 0x02, 0x00, 0x00);
660
661	mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
662	reg_write(gspca_dev, SPCA50X_REG_COMPRESS, 0x00, mode_tb[mode][0]);
663	reg_write(gspca_dev, SPCA50X_REG_COMPRESS, 0x06, mode_tb[mode][1]);
664	reg_write(gspca_dev, SPCA50X_REG_COMPRESS, 0x07, mode_tb[mode][2]);
665
666	return reg_write(gspca_dev, SPCA50X_REG_USB,
667			 SPCA50X_USB_CTRL,
668			 SPCA50X_CUSB_ENABLE);
669}
670
671static void sd_stopN(struct gspca_dev *gspca_dev)
672{
673	/* Disable ISO packet machine */
674	reg_write(gspca_dev, 0x02, 0x00, 0x00);
675}
676
677/* called on streamoff with alt 0 and on disconnect */
678static void sd_stop0(struct gspca_dev *gspca_dev)
679{
680	if (!gspca_dev->present)
681		return;
682
683	/* This maybe reset or power control */
684	reg_write(gspca_dev, 0x03, 0x03, 0x20);
685	reg_write(gspca_dev, 0x03, 0x01, 0x00);
686	reg_write(gspca_dev, 0x03, 0x00, 0x01);
687	reg_write(gspca_dev, 0x05, 0x10, 0x01);
688	reg_write(gspca_dev, 0x05, 0x11, 0x0f);
689}
690
691static void sd_pkt_scan(struct gspca_dev *gspca_dev,
692			u8 *data,			/* isoc packet */
693			int len)			/* iso packet length */
694{
695	switch (data[0]) {
696	case 0:				/* start of frame */
697		gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
698		data += SPCA50X_OFFSET_DATA;
699		len -= SPCA50X_OFFSET_DATA;
700		gspca_frame_add(gspca_dev, FIRST_PACKET, data, len);
701		break;
702	case 0xff:			/* drop */
703		break;
704	default:
705		data += 1;
706		len -= 1;
707		gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
708		break;
709	}
710}
711
712static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
713{
714	struct gspca_dev *gspca_dev =
715		container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
716
717	gspca_dev->usb_err = 0;
718
719	if (!gspca_dev->streaming)
720		return 0;
721
722	switch (ctrl->id) {
723	case V4L2_CID_BRIGHTNESS:
724		setbrightness(gspca_dev, ctrl->val);
725		break;
726	}
727	return gspca_dev->usb_err;
728}
729
730static const struct v4l2_ctrl_ops sd_ctrl_ops = {
731	.s_ctrl = sd_s_ctrl,
732};
733
734static int sd_init_controls(struct gspca_dev *gspca_dev)
735{
736	struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
737
738	gspca_dev->vdev.ctrl_handler = hdl;
739	v4l2_ctrl_handler_init(hdl, 5);
740	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
741			V4L2_CID_BRIGHTNESS, 0, 255, 1, 127);
742
743	if (hdl->error) {
744		pr_err("Could not initialize controls\n");
745		return hdl->error;
746	}
747	return 0;
748}
749
750/* sub-driver description */
751static const struct sd_desc sd_desc = {
752	.name = MODULE_NAME,
753	.config = sd_config,
754	.init_controls = sd_init_controls,
755	.init = sd_init,
756	.start = sd_start,
757	.stopN = sd_stopN,
758	.stop0 = sd_stop0,
759	.pkt_scan = sd_pkt_scan,
760};
761
762/* -- module initialisation -- */
763static const struct usb_device_id device_table[] = {
764	{USB_DEVICE(0x041e, 0x401d), .driver_info = Nxultra},
765	{USB_DEVICE(0x0733, 0x0430), .driver_info = IntelPCCameraPro},
766/*fixme: may be UsbGrabberPV321 BRIDGE_SPCA506 SENSOR_SAA7113 */
767	{}
768};
769MODULE_DEVICE_TABLE(usb, device_table);
770
771/* -- device connect -- */
772static int sd_probe(struct usb_interface *intf,
773			const struct usb_device_id *id)
774{
775	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
776				THIS_MODULE);
777}
778
779static struct usb_driver sd_driver = {
780	.name = MODULE_NAME,
781	.id_table = device_table,
782	.probe = sd_probe,
783	.disconnect = gspca_disconnect,
784#ifdef CONFIG_PM
785	.suspend = gspca_suspend,
786	.resume = gspca_resume,
787	.reset_resume = gspca_resume,
788#endif
789};
790
791module_usb_driver(sd_driver);
792