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