xref: /linux/drivers/media/usb/gspca/spca508.c (revision 0e9ab8e4d44ae9d9aaf213bfd2c90bbe7289337b)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * SPCA508 chip based cameras subdriver
4  *
5  * Copyright (C) 2009 Jean-Francois Moine <http://moinejf.free.fr>
6  */
7 
8 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
9 
10 #define MODULE_NAME "spca508"
11 
12 #include "gspca.h"
13 
14 MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
15 MODULE_DESCRIPTION("GSPCA/SPCA508 USB Camera Driver");
16 MODULE_LICENSE("GPL");
17 
18 /* specific webcam descriptor */
19 struct sd {
20 	struct gspca_dev gspca_dev;		/* !! must be the first item */
21 
22 	u8 subtype;
23 #define CreativeVista 0
24 #define HamaUSBSightcam 1
25 #define HamaUSBSightcam2 2
26 #define IntelEasyPCCamera 3
27 #define MicroInnovationIC200 4
28 #define ViewQuestVQ110 5
29 };
30 
31 static const struct v4l2_pix_format sif_mode[] = {
32 	{160, 120, V4L2_PIX_FMT_SPCA508, V4L2_FIELD_NONE,
33 		.bytesperline = 160,
34 		.sizeimage = 160 * 120 * 3 / 2,
35 		.colorspace = V4L2_COLORSPACE_SRGB,
36 		.priv = 3},
37 	{176, 144, V4L2_PIX_FMT_SPCA508, V4L2_FIELD_NONE,
38 		.bytesperline = 176,
39 		.sizeimage = 176 * 144 * 3 / 2,
40 		.colorspace = V4L2_COLORSPACE_SRGB,
41 		.priv = 2},
42 	{320, 240, V4L2_PIX_FMT_SPCA508, V4L2_FIELD_NONE,
43 		.bytesperline = 320,
44 		.sizeimage = 320 * 240 * 3 / 2,
45 		.colorspace = V4L2_COLORSPACE_SRGB,
46 		.priv = 1},
47 	{352, 288, V4L2_PIX_FMT_SPCA508, V4L2_FIELD_NONE,
48 		.bytesperline = 352,
49 		.sizeimage = 352 * 288 * 3 / 2,
50 		.colorspace = V4L2_COLORSPACE_SRGB,
51 		.priv = 0},
52 };
53 
54 /* Frame packet header offsets for the spca508 */
55 #define SPCA508_OFFSET_DATA 37
56 
57 /*
58  * Initialization data: this is the first set-up data written to the
59  * device (before the open data).
60  */
61 static const u16 spca508_init_data[][2] = {
62 	{0x0000, 0x870b},
63 
64 	{0x0020, 0x8112},	/* Video drop enable, ISO streaming disable */
65 	{0x0003, 0x8111},	/* Reset compression & memory */
66 	{0x0000, 0x8110},	/* Disable all outputs */
67 	/* READ {0x0000, 0x8114} -> 0000: 00  */
68 	{0x0000, 0x8114},	/* SW GPIO data */
69 	{0x0008, 0x8110},	/* Enable charge pump output */
70 	{0x0002, 0x8116},	/* 200 kHz pump clock */
71 	/* UNKNOWN DIRECTION (URB_FUNCTION_SELECT_INTERFACE:) */
72 	{0x0003, 0x8111},	/* Reset compression & memory */
73 	{0x0000, 0x8111},	/* Normal mode (not reset) */
74 	{0x0098, 0x8110},
75 		/* Enable charge pump output, sync.serial,external 2x clock */
76 	{0x000d, 0x8114},	/* SW GPIO data */
77 	{0x0002, 0x8116},	/* 200 kHz pump clock */
78 	{0x0020, 0x8112},	/* Video drop enable, ISO streaming disable */
79 /* --------------------------------------- */
80 	{0x000f, 0x8402},	/* memory bank */
81 	{0x0000, 0x8403},	/* ... address */
82 /* --------------------------------------- */
83 /* 0x88__ is Synchronous Serial Interface. */
84 /* TBD: This table could be expressed more compactly */
85 /* using spca508_write_i2c_vector(). */
86 /* TBD: Should see if the values in spca50x_i2c_data */
87 /* would work with the VQ110 instead of the values */
88 /* below. */
89 	{0x00c0, 0x8804},	/* SSI slave addr */
90 	{0x0008, 0x8802},	/* 375 Khz SSI clock */
91 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
92 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
93 	{0x0008, 0x8802},	/* 375 Khz SSI clock */
94 	{0x0012, 0x8801},	/* SSI reg addr */
95 	{0x0080, 0x8800},	/* SSI data to write */
96 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
97 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
98 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
99 	{0x0008, 0x8802},	/* 375 Khz SSI clock */
100 	{0x0012, 0x8801},	/* SSI reg addr */
101 	{0x0000, 0x8800},	/* SSI data to write */
102 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
103 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
104 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
105 	{0x0008, 0x8802},	/* 375 Khz SSI clock */
106 	{0x0011, 0x8801},	/* SSI reg addr */
107 	{0x0040, 0x8800},	/* SSI data to write */
108 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
109 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
110 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
111 	{0x0008, 0x8802},
112 	{0x0013, 0x8801},
113 	{0x0000, 0x8800},
114 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
115 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
116 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
117 	{0x0008, 0x8802},
118 	{0x0014, 0x8801},
119 	{0x0000, 0x8800},
120 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
121 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
122 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
123 	{0x0008, 0x8802},
124 	{0x0015, 0x8801},
125 	{0x0001, 0x8800},
126 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
127 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
128 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
129 	{0x0008, 0x8802},
130 	{0x0016, 0x8801},
131 	{0x0003, 0x8800},
132 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
133 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
134 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
135 	{0x0008, 0x8802},
136 	{0x0017, 0x8801},
137 	{0x0036, 0x8800},
138 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
139 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
140 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
141 	{0x0008, 0x8802},
142 	{0x0018, 0x8801},
143 	{0x00ec, 0x8800},
144 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
145 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
146 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
147 	{0x0008, 0x8802},
148 	{0x001a, 0x8801},
149 	{0x0094, 0x8800},
150 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
151 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
152 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
153 	{0x0008, 0x8802},
154 	{0x001b, 0x8801},
155 	{0x0000, 0x8800},
156 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
157 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
158 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
159 	{0x0008, 0x8802},
160 	{0x0027, 0x8801},
161 	{0x00a2, 0x8800},
162 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
163 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
164 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
165 	{0x0008, 0x8802},
166 	{0x0028, 0x8801},
167 	{0x0040, 0x8800},
168 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
169 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
170 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
171 	{0x0008, 0x8802},
172 	{0x002a, 0x8801},
173 	{0x0084, 0x8800},
174 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
175 	/* READ { 0x0001, 0x8803 } -> 0000: 00 */
176 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
177 	{0x0008, 0x8802},
178 	{0x002b, 0x8801},
179 	{0x00a8, 0x8800},
180 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
181 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
182 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
183 	{0x0008, 0x8802},
184 	{0x002c, 0x8801},
185 	{0x00fe, 0x8800},
186 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
187 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
188 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
189 	{0x0008, 0x8802},
190 	{0x002d, 0x8801},
191 	{0x0003, 0x8800},
192 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
193 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
194 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
195 	{0x0008, 0x8802},
196 	{0x0038, 0x8801},
197 	{0x0083, 0x8800},
198 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
199 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
200 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
201 	{0x0008, 0x8802},
202 	{0x0033, 0x8801},
203 	{0x0081, 0x8800},
204 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
205 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
206 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
207 	{0x0008, 0x8802},
208 	{0x0034, 0x8801},
209 	{0x004a, 0x8800},
210 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
211 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
212 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
213 	{0x0008, 0x8802},
214 	{0x0039, 0x8801},
215 	{0x0000, 0x8800},
216 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
217 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
218 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
219 	{0x0008, 0x8802},
220 	{0x0010, 0x8801},
221 	{0x00a8, 0x8800},
222 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
223 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
224 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
225 	{0x0008, 0x8802},
226 	{0x0006, 0x8801},
227 	{0x0058, 0x8800},
228 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
229 	/* READ { 0x0001, 0x8803 } -> 0000: 00 */
230 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
231 	{0x0008, 0x8802},
232 	{0x0000, 0x8801},
233 	{0x0004, 0x8800},
234 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
235 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
236 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
237 	{0x0008, 0x8802},
238 	{0x0040, 0x8801},
239 	{0x0080, 0x8800},
240 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
241 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
242 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
243 	{0x0008, 0x8802},
244 	{0x0041, 0x8801},
245 	{0x000c, 0x8800},
246 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
247 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
248 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
249 	{0x0008, 0x8802},
250 	{0x0042, 0x8801},
251 	{0x000c, 0x8800},
252 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
253 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
254 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
255 	{0x0008, 0x8802},
256 	{0x0043, 0x8801},
257 	{0x0028, 0x8800},
258 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
259 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
260 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
261 	{0x0008, 0x8802},
262 	{0x0044, 0x8801},
263 	{0x0080, 0x8800},
264 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
265 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
266 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
267 	{0x0008, 0x8802},
268 	{0x0045, 0x8801},
269 	{0x0020, 0x8800},
270 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
271 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
272 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
273 	{0x0008, 0x8802},
274 	{0x0046, 0x8801},
275 	{0x0020, 0x8800},
276 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
277 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
278 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
279 	{0x0008, 0x8802},
280 	{0x0047, 0x8801},
281 	{0x0080, 0x8800},
282 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
283 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
284 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
285 	{0x0008, 0x8802},
286 	{0x0048, 0x8801},
287 	{0x004c, 0x8800},
288 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
289 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
290 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
291 	{0x0008, 0x8802},
292 	{0x0049, 0x8801},
293 	{0x0084, 0x8800},
294 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
295 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
296 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
297 	{0x0008, 0x8802},
298 	{0x004a, 0x8801},
299 	{0x0084, 0x8800},
300 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
301 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
302 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
303 	{0x0008, 0x8802},
304 	{0x004b, 0x8801},
305 	{0x0084, 0x8800},
306 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
307 	/* --------------------------------------- */
308 	{0x0012, 0x8700},	/* Clock speed 48Mhz/(2+2)/2= 6 Mhz */
309 	{0x0000, 0x8701},	/* CKx1 clock delay adj */
310 	{0x0000, 0x8701},	/* CKx1 clock delay adj */
311 	{0x0001, 0x870c},	/* CKOx2 output */
312 	/* --------------------------------------- */
313 	{0x0080, 0x8600},	/* Line memory read counter (L) */
314 	{0x0001, 0x8606},	/* reserved */
315 	{0x0064, 0x8607},	/* Line memory read counter (H) 0x6480=25,728 */
316 	{0x002a, 0x8601},	/* CDSP sharp interpolation mode,
317 	 *			line sel for color sep, edge enhance enab */
318 	{0x0000, 0x8602},	/* optical black level for user settng = 0 */
319 	{0x0080, 0x8600},	/* Line memory read counter (L) */
320 	{0x000a, 0x8603},	/* optical black level calc mode:
321 				 * auto; optical black offset = 10 */
322 	{0x00df, 0x865b},	/* Horiz offset for valid pixels (L)=0xdf */
323 	{0x0012, 0x865c},	/* Vert offset for valid lines (L)=0x12 */
324 
325 /* The following two lines seem to be the "wrong" resolution. */
326 /* But perhaps these indicate the actual size of the sensor */
327 /* rather than the size of the current video mode. */
328 	{0x0058, 0x865d},	/* Horiz valid pixels (*4) (L) = 352 */
329 	{0x0048, 0x865e},	/* Vert valid lines (*4) (L) = 288 */
330 
331 	{0x0015, 0x8608},	/* A11 Coef ... */
332 	{0x0030, 0x8609},
333 	{0x00fb, 0x860a},
334 	{0x003e, 0x860b},
335 	{0x00ce, 0x860c},
336 	{0x00f4, 0x860d},
337 	{0x00eb, 0x860e},
338 	{0x00dc, 0x860f},
339 	{0x0039, 0x8610},
340 	{0x0001, 0x8611},	/* R offset for white balance ... */
341 	{0x0000, 0x8612},
342 	{0x0001, 0x8613},
343 	{0x0000, 0x8614},
344 	{0x005b, 0x8651},	/* R gain for white balance ... */
345 	{0x0040, 0x8652},
346 	{0x0060, 0x8653},
347 	{0x0040, 0x8654},
348 	{0x0000, 0x8655},
349 	{0x0001, 0x863f},	/* Fixed gamma correction enable, USB control,
350 				 * lum filter disable, lum noise clip disable */
351 	{0x00a1, 0x8656},	/* Window1 size 256x256, Windows2 size 64x64,
352 				 * gamma look-up disable,
353 				 * new edge enhancement enable */
354 	{0x0018, 0x8657},	/* Edge gain high thresh */
355 	{0x0020, 0x8658},	/* Edge gain low thresh */
356 	{0x000a, 0x8659},	/* Edge bandwidth high threshold */
357 	{0x0005, 0x865a},	/* Edge bandwidth low threshold */
358 	/* -------------------------------- */
359 	{0x0030, 0x8112},	/* Video drop enable, ISO streaming enable */
360 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
361 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
362 	{0xa908, 0x8802},
363 	{0x0034, 0x8801},	/* SSI reg addr */
364 	{0x00ca, 0x8800},
365 	/* SSI data to write */
366 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
367 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
368 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
369 	{0x1f08, 0x8802},
370 	{0x0006, 0x8801},
371 	{0x0080, 0x8800},
372 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
373 
374 /* ----- Read back coefs we wrote earlier. */
375 	/* READ { 0x0000, 0x8608 } -> 0000: 15  */
376 	/* READ { 0x0000, 0x8609 } -> 0000: 30  */
377 	/* READ { 0x0000, 0x860a } -> 0000: fb  */
378 	/* READ { 0x0000, 0x860b } -> 0000: 3e  */
379 	/* READ { 0x0000, 0x860c } -> 0000: ce  */
380 	/* READ { 0x0000, 0x860d } -> 0000: f4  */
381 	/* READ { 0x0000, 0x860e } -> 0000: eb  */
382 	/* READ { 0x0000, 0x860f } -> 0000: dc  */
383 	/* READ { 0x0000, 0x8610 } -> 0000: 39  */
384 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
385 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
386 	{0xb008, 0x8802},
387 	{0x0006, 0x8801},
388 	{0x007d, 0x8800},
389 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
390 
391 
392 	/* This chunk is seemingly redundant with */
393 	/* earlier commands (A11 Coef...), but if I disable it, */
394 	/* the image appears too dark.  Maybe there was some kind of */
395 	/* reset since the earlier commands, so this is necessary again. */
396 	{0x0015, 0x8608},
397 	{0x0030, 0x8609},
398 	{0xfffb, 0x860a},
399 	{0x003e, 0x860b},
400 	{0xffce, 0x860c},
401 	{0xfff4, 0x860d},
402 	{0xffeb, 0x860e},
403 	{0xffdc, 0x860f},
404 	{0x0039, 0x8610},
405 	{0x0018, 0x8657},
406 
407 	{0x0000, 0x8508},	/* Disable compression. */
408 	/* Previous line was:
409 	{0x0021, 0x8508},	 * Enable compression. */
410 	{0x0032, 0x850b},	/* compression stuff */
411 	{0x0003, 0x8509},	/* compression stuff */
412 	{0x0011, 0x850a},	/* compression stuff */
413 	{0x0021, 0x850d},	/* compression stuff */
414 	{0x0010, 0x850c},	/* compression stuff */
415 	{0x0003, 0x8500},	/* *** Video mode: 160x120 */
416 	{0x0001, 0x8501},	/* Hardware-dominated snap control */
417 	{0x0061, 0x8656},	/* Window1 size 128x128, Windows2 size 128x128,
418 				 * gamma look-up disable,
419 				 * new edge enhancement enable */
420 	{0x0018, 0x8617},	/* Window1 start X (*2) */
421 	{0x0008, 0x8618},	/* Window1 start Y (*2) */
422 	{0x0061, 0x8656},	/* Window1 size 128x128, Windows2 size 128x128,
423 				 * gamma look-up disable,
424 				 * new edge enhancement enable */
425 	{0x0058, 0x8619},	/* Window2 start X (*2) */
426 	{0x0008, 0x861a},	/* Window2 start Y (*2) */
427 	{0x00ff, 0x8615},	/* High lum thresh for white balance */
428 	{0x0000, 0x8616},	/* Low lum thresh for white balance */
429 	{0x0012, 0x8700},	/* Clock speed 48Mhz/(2+2)/2= 6 Mhz */
430 	{0x0012, 0x8700},	/* Clock speed 48Mhz/(2+2)/2= 6 Mhz */
431 	/* READ { 0x0000, 0x8656 } -> 0000: 61  */
432 	{0x0028, 0x8802},    /* 375 Khz SSI clock, SSI r/w sync with VSYNC */
433 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
434 	/* READ { 0x0001, 0x8802 } -> 0000: 28  */
435 	{0x1f28, 0x8802},    /* 375 Khz SSI clock, SSI r/w sync with VSYNC */
436 	{0x0010, 0x8801},	/* SSI reg addr */
437 	{0x003e, 0x8800},	/* SSI data to write */
438 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
439 	{0x0028, 0x8802},
440 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
441 	/* READ { 0x0001, 0x8802 } -> 0000: 28  */
442 	{0x1f28, 0x8802},
443 	{0x0000, 0x8801},
444 	{0x001f, 0x8800},
445 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
446 	{0x0001, 0x8602},    /* optical black level for user settning = 1 */
447 
448 	/* Original: */
449 	{0x0023, 0x8700},	/* Clock speed 48Mhz/(3+2)/4= 2.4 Mhz */
450 	{0x000f, 0x8602},    /* optical black level for user settning = 15 */
451 
452 	{0x0028, 0x8802},
453 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
454 	/* READ { 0x0001, 0x8802 } -> 0000: 28  */
455 	{0x1f28, 0x8802},
456 	{0x0010, 0x8801},
457 	{0x007b, 0x8800},
458 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
459 	{0x002f, 0x8651},	/* R gain for white balance ... */
460 	{0x0080, 0x8653},
461 	/* READ { 0x0000, 0x8655 } -> 0000: 00  */
462 	{0x0000, 0x8655},
463 
464 	{0x0030, 0x8112},	/* Video drop enable, ISO streaming enable */
465 	{0x0020, 0x8112},	/* Video drop enable, ISO streaming disable */
466 	/* UNKNOWN DIRECTION (URB_FUNCTION_SELECT_INTERFACE: (ALT=0) ) */
467 	{}
468 };
469 
470 /*
471  * Initialization data for Intel EasyPC Camera CS110
472  */
473 static const u16 spca508cs110_init_data[][2] = {
474 	{0x0000, 0x870b},	/* Reset CTL3 */
475 	{0x0003, 0x8111},	/* Soft Reset compression, memory, TG & CDSP */
476 	{0x0000, 0x8111},	/* Normal operation on reset */
477 	{0x0090, 0x8110},
478 		 /* External Clock 2x & Synchronous Serial Interface Output */
479 	{0x0020, 0x8112},	/* Video Drop packet enable */
480 	{0x0000, 0x8114},	/* Software GPIO output data */
481 	{0x0001, 0x8114},
482 	{0x0001, 0x8114},
483 	{0x0001, 0x8114},
484 	{0x0003, 0x8114},
485 
486 	/* Initial sequence Synchronous Serial Interface */
487 	{0x000f, 0x8402},	/* Memory bank Address */
488 	{0x0000, 0x8403},	/* Memory bank Address */
489 	{0x00ba, 0x8804},	/* SSI Slave address */
490 	{0x0010, 0x8802},	/* 93.75kHz SSI Clock Two DataByte */
491 	{0x0010, 0x8802},	/* 93.75kHz SSI Clock two DataByte */
492 
493 	{0x0001, 0x8801},
494 	{0x000a, 0x8805},	/* a - NWG: Dunno what this is about */
495 	{0x0000, 0x8800},
496 	{0x0010, 0x8802},
497 
498 	{0x0002, 0x8801},
499 	{0x0000, 0x8805},
500 	{0x0000, 0x8800},
501 	{0x0010, 0x8802},
502 
503 	{0x0003, 0x8801},
504 	{0x0027, 0x8805},
505 	{0x0001, 0x8800},
506 	{0x0010, 0x8802},
507 
508 	{0x0004, 0x8801},
509 	{0x0065, 0x8805},
510 	{0x0001, 0x8800},
511 	{0x0010, 0x8802},
512 
513 	{0x0005, 0x8801},
514 	{0x0003, 0x8805},
515 	{0x0000, 0x8800},
516 	{0x0010, 0x8802},
517 
518 	{0x0006, 0x8801},
519 	{0x001c, 0x8805},
520 	{0x0000, 0x8800},
521 	{0x0010, 0x8802},
522 
523 	{0x0007, 0x8801},
524 	{0x002a, 0x8805},
525 	{0x0000, 0x8800},
526 	{0x0010, 0x8802},
527 
528 	{0x0002, 0x8704},	/* External input CKIx1 */
529 	{0x0001, 0x8606},    /* 1 Line memory Read Counter (H) Result: (d)410 */
530 	{0x009a, 0x8600},	/* Line memory Read Counter (L) */
531 	{0x0001, 0x865b},	/* 1 Horizontal Offset for Valid Pixel(L) */
532 	{0x0003, 0x865c},	/* 3 Vertical Offset for Valid Lines(L) */
533 	{0x0058, 0x865d},	/* 58 Horizontal Valid Pixel Window(L) */
534 
535 	{0x0006, 0x8660},	/* Nibble data + input order */
536 
537 	{0x000a, 0x8602},	/* Optical black level set to 0x0a */
538 	{0x0000, 0x8603},	/* Optical black level Offset */
539 
540 /*	{0x0000, 0x8611},	 * 0 R  Offset for white Balance */
541 /*	{0x0000, 0x8612},	 * 1 Gr Offset for white Balance */
542 /*	{0x0000, 0x8613},	 * 1f B  Offset for white Balance */
543 /*	{0x0000, 0x8614},	 * f0 Gb Offset for white Balance */
544 
545 	{0x0040, 0x8651},   /* 2b BLUE gain for white balance  good at all 60 */
546 	{0x0030, 0x8652},	/* 41 Gr Gain for white Balance (L) */
547 	{0x0035, 0x8653},	/* 26 RED gain for white balance */
548 	{0x0035, 0x8654},	/* 40Gb Gain for white Balance (L) */
549 	{0x0041, 0x863f},
550 	      /* Fixed Gamma correction enabled (makes colours look better) */
551 
552 	{0x0000, 0x8655},
553 		/* High bits for white balance*****brightness control*** */
554 	{}
555 };
556 
557 static const u16 spca508_sightcam_init_data[][2] = {
558 /* This line seems to setup the frame/canvas */
559 	{0x000f, 0x8402},
560 
561 /* These 6 lines are needed to startup the webcam */
562 	{0x0090, 0x8110},
563 	{0x0001, 0x8114},
564 	{0x0001, 0x8114},
565 	{0x0001, 0x8114},
566 	{0x0003, 0x8114},
567 	{0x0080, 0x8804},
568 
569 /* This part seems to make the pictures darker? (autobrightness?) */
570 	{0x0001, 0x8801},
571 	{0x0004, 0x8800},
572 	{0x0003, 0x8801},
573 	{0x00e0, 0x8800},
574 	{0x0004, 0x8801},
575 	{0x00b4, 0x8800},
576 	{0x0005, 0x8801},
577 	{0x0000, 0x8800},
578 
579 	{0x0006, 0x8801},
580 	{0x00e0, 0x8800},
581 	{0x0007, 0x8801},
582 	{0x000c, 0x8800},
583 
584 /* This section is just needed, it probably
585  * does something like the previous section,
586  * but the cam won't start if it's not included.
587  */
588 	{0x0014, 0x8801},
589 	{0x0008, 0x8800},
590 	{0x0015, 0x8801},
591 	{0x0067, 0x8800},
592 	{0x0016, 0x8801},
593 	{0x0000, 0x8800},
594 	{0x0017, 0x8801},
595 	{0x0020, 0x8800},
596 	{0x0018, 0x8801},
597 	{0x0044, 0x8800},
598 
599 /* Makes the picture darker - and the
600  * cam won't start if not included
601  */
602 	{0x001e, 0x8801},
603 	{0x00ea, 0x8800},
604 	{0x001f, 0x8801},
605 	{0x0001, 0x8800},
606 	{0x0003, 0x8801},
607 	{0x00e0, 0x8800},
608 
609 /* seems to place the colors ontop of each other #1 */
610 	{0x0006, 0x8704},
611 	{0x0001, 0x870c},
612 	{0x0016, 0x8600},
613 	{0x0002, 0x8606},
614 
615 /* if not included the pictures becomes _very_ dark */
616 	{0x0064, 0x8607},
617 	{0x003a, 0x8601},
618 	{0x0000, 0x8602},
619 
620 /* seems to place the colors ontop of each other #2 */
621 	{0x0016, 0x8600},
622 	{0x0018, 0x8617},
623 	{0x0008, 0x8618},
624 	{0x00a1, 0x8656},
625 
626 /* webcam won't start if not included */
627 	{0x0007, 0x865b},
628 	{0x0001, 0x865c},
629 	{0x0058, 0x865d},
630 	{0x0048, 0x865e},
631 
632 /* adjusts the colors */
633 	{0x0049, 0x8651},
634 	{0x0040, 0x8652},
635 	{0x004c, 0x8653},
636 	{0x0040, 0x8654},
637 	{}
638 };
639 
640 static const u16 spca508_sightcam2_init_data[][2] = {
641 	{0x0020, 0x8112},
642 
643 	{0x000f, 0x8402},
644 	{0x0000, 0x8403},
645 
646 	{0x0008, 0x8201},
647 	{0x0008, 0x8200},
648 	{0x0001, 0x8200},
649 	{0x0009, 0x8201},
650 	{0x0008, 0x8200},
651 	{0x0001, 0x8200},
652 	{0x000a, 0x8201},
653 	{0x0008, 0x8200},
654 	{0x0001, 0x8200},
655 	{0x000b, 0x8201},
656 	{0x0008, 0x8200},
657 	{0x0001, 0x8200},
658 	{0x000c, 0x8201},
659 	{0x0008, 0x8200},
660 	{0x0001, 0x8200},
661 	{0x000d, 0x8201},
662 	{0x0008, 0x8200},
663 	{0x0001, 0x8200},
664 	{0x000e, 0x8201},
665 	{0x0008, 0x8200},
666 	{0x0001, 0x8200},
667 	{0x0007, 0x8201},
668 	{0x0008, 0x8200},
669 	{0x0001, 0x8200},
670 	{0x000f, 0x8201},
671 	{0x0008, 0x8200},
672 	{0x0001, 0x8200},
673 
674 	{0x0018, 0x8660},
675 	{0x0010, 0x8201},
676 
677 	{0x0008, 0x8200},
678 	{0x0001, 0x8200},
679 	{0x0011, 0x8201},
680 	{0x0008, 0x8200},
681 	{0x0001, 0x8200},
682 
683 	{0x0000, 0x86b0},
684 	{0x0034, 0x86b1},
685 	{0x0000, 0x86b2},
686 	{0x0049, 0x86b3},
687 	{0x0000, 0x86b4},
688 	{0x0000, 0x86b4},
689 
690 	{0x0012, 0x8201},
691 	{0x0008, 0x8200},
692 	{0x0001, 0x8200},
693 	{0x0013, 0x8201},
694 	{0x0008, 0x8200},
695 	{0x0001, 0x8200},
696 
697 	{0x0001, 0x86b0},
698 	{0x00aa, 0x86b1},
699 	{0x0000, 0x86b2},
700 	{0x00e4, 0x86b3},
701 	{0x0000, 0x86b4},
702 	{0x0000, 0x86b4},
703 
704 	{0x0018, 0x8660},
705 
706 	{0x0090, 0x8110},
707 	{0x0001, 0x8114},
708 	{0x0001, 0x8114},
709 	{0x0001, 0x8114},
710 	{0x0003, 0x8114},
711 
712 	{0x0080, 0x8804},
713 	{0x0003, 0x8801},
714 	{0x0012, 0x8800},
715 	{0x0004, 0x8801},
716 	{0x0005, 0x8800},
717 	{0x0005, 0x8801},
718 	{0x0000, 0x8800},
719 	{0x0006, 0x8801},
720 	{0x0000, 0x8800},
721 	{0x0007, 0x8801},
722 	{0x0000, 0x8800},
723 	{0x0008, 0x8801},
724 	{0x0005, 0x8800},
725 	{0x000a, 0x8700},
726 	{0x000e, 0x8801},
727 	{0x0004, 0x8800},
728 	{0x0005, 0x8801},
729 	{0x0047, 0x8800},
730 	{0x0006, 0x8801},
731 	{0x0000, 0x8800},
732 	{0x0007, 0x8801},
733 	{0x00c0, 0x8800},
734 	{0x0008, 0x8801},
735 	{0x0003, 0x8800},
736 	{0x0013, 0x8801},
737 	{0x0001, 0x8800},
738 	{0x0009, 0x8801},
739 	{0x0000, 0x8800},
740 	{0x000a, 0x8801},
741 	{0x0000, 0x8800},
742 	{0x000b, 0x8801},
743 	{0x0000, 0x8800},
744 	{0x000c, 0x8801},
745 	{0x0000, 0x8800},
746 	{0x000e, 0x8801},
747 	{0x0004, 0x8800},
748 	{0x000f, 0x8801},
749 	{0x0000, 0x8800},
750 	{0x0010, 0x8801},
751 	{0x0006, 0x8800},
752 	{0x0011, 0x8801},
753 	{0x0006, 0x8800},
754 	{0x0012, 0x8801},
755 	{0x0000, 0x8800},
756 	{0x0013, 0x8801},
757 	{0x0001, 0x8800},
758 
759 	{0x000a, 0x8700},
760 	{0x0000, 0x8702},
761 	{0x0000, 0x8703},
762 	{0x00c2, 0x8704},
763 	{0x0001, 0x870c},
764 
765 	{0x0044, 0x8600},
766 	{0x0002, 0x8606},
767 	{0x0064, 0x8607},
768 	{0x003a, 0x8601},
769 	{0x0008, 0x8602},
770 	{0x0044, 0x8600},
771 	{0x0018, 0x8617},
772 	{0x0008, 0x8618},
773 	{0x00a1, 0x8656},
774 	{0x0004, 0x865b},
775 	{0x0002, 0x865c},
776 	{0x0058, 0x865d},
777 	{0x0048, 0x865e},
778 	{0x0012, 0x8608},
779 	{0x002c, 0x8609},
780 	{0x0002, 0x860a},
781 	{0x002c, 0x860b},
782 	{0x00db, 0x860c},
783 	{0x00f9, 0x860d},
784 	{0x00f1, 0x860e},
785 	{0x00e3, 0x860f},
786 	{0x002c, 0x8610},
787 	{0x006c, 0x8651},
788 	{0x0041, 0x8652},
789 	{0x0059, 0x8653},
790 	{0x0040, 0x8654},
791 	{0x00fa, 0x8611},
792 	{0x00ff, 0x8612},
793 	{0x00f8, 0x8613},
794 	{0x0000, 0x8614},
795 	{0x0001, 0x863f},
796 	{0x0000, 0x8640},
797 	{0x0026, 0x8641},
798 	{0x0045, 0x8642},
799 	{0x0060, 0x8643},
800 	{0x0075, 0x8644},
801 	{0x0088, 0x8645},
802 	{0x009b, 0x8646},
803 	{0x00b0, 0x8647},
804 	{0x00c5, 0x8648},
805 	{0x00d2, 0x8649},
806 	{0x00dc, 0x864a},
807 	{0x00e5, 0x864b},
808 	{0x00eb, 0x864c},
809 	{0x00f0, 0x864d},
810 	{0x00f6, 0x864e},
811 	{0x00fa, 0x864f},
812 	{0x00ff, 0x8650},
813 	{0x0060, 0x8657},
814 	{0x0010, 0x8658},
815 	{0x0018, 0x8659},
816 	{0x0005, 0x865a},
817 	{0x0018, 0x8660},
818 	{0x0003, 0x8509},
819 	{0x0011, 0x850a},
820 	{0x0032, 0x850b},
821 	{0x0010, 0x850c},
822 	{0x0021, 0x850d},
823 	{0x0001, 0x8500},
824 	{0x0000, 0x8508},
825 	{0x0012, 0x8608},
826 	{0x002c, 0x8609},
827 	{0x0002, 0x860a},
828 	{0x0039, 0x860b},
829 	{0x00d0, 0x860c},
830 	{0x00f7, 0x860d},
831 	{0x00ed, 0x860e},
832 	{0x00db, 0x860f},
833 	{0x0039, 0x8610},
834 	{0x0012, 0x8657},
835 	{0x000c, 0x8619},
836 	{0x0004, 0x861a},
837 	{0x00a1, 0x8656},
838 	{0x00c8, 0x8615},
839 	{0x0032, 0x8616},
840 
841 	{0x0030, 0x8112},
842 	{0x0020, 0x8112},
843 	{0x0020, 0x8112},
844 	{0x000f, 0x8402},
845 	{0x0000, 0x8403},
846 
847 	{0x0090, 0x8110},
848 	{0x0001, 0x8114},
849 	{0x0001, 0x8114},
850 	{0x0001, 0x8114},
851 	{0x0003, 0x8114},
852 	{0x0080, 0x8804},
853 
854 	{0x0003, 0x8801},
855 	{0x0012, 0x8800},
856 	{0x0004, 0x8801},
857 	{0x0005, 0x8800},
858 	{0x0005, 0x8801},
859 	{0x0047, 0x8800},
860 	{0x0006, 0x8801},
861 	{0x0000, 0x8800},
862 	{0x0007, 0x8801},
863 	{0x00c0, 0x8800},
864 	{0x0008, 0x8801},
865 	{0x0003, 0x8800},
866 	{0x000a, 0x8700},
867 	{0x000e, 0x8801},
868 	{0x0004, 0x8800},
869 	{0x0005, 0x8801},
870 	{0x0047, 0x8800},
871 	{0x0006, 0x8801},
872 	{0x0000, 0x8800},
873 	{0x0007, 0x8801},
874 	{0x00c0, 0x8800},
875 	{0x0008, 0x8801},
876 	{0x0003, 0x8800},
877 	{0x0013, 0x8801},
878 	{0x0001, 0x8800},
879 	{0x0009, 0x8801},
880 	{0x0000, 0x8800},
881 	{0x000a, 0x8801},
882 	{0x0000, 0x8800},
883 	{0x000b, 0x8801},
884 	{0x0000, 0x8800},
885 	{0x000c, 0x8801},
886 	{0x0000, 0x8800},
887 	{0x000e, 0x8801},
888 	{0x0004, 0x8800},
889 	{0x000f, 0x8801},
890 	{0x0000, 0x8800},
891 	{0x0010, 0x8801},
892 	{0x0006, 0x8800},
893 	{0x0011, 0x8801},
894 	{0x0006, 0x8800},
895 	{0x0012, 0x8801},
896 	{0x0000, 0x8800},
897 	{0x0013, 0x8801},
898 	{0x0001, 0x8800},
899 	{0x000a, 0x8700},
900 	{0x0000, 0x8702},
901 	{0x0000, 0x8703},
902 	{0x00c2, 0x8704},
903 	{0x0001, 0x870c},
904 	{0x0044, 0x8600},
905 	{0x0002, 0x8606},
906 	{0x0064, 0x8607},
907 	{0x003a, 0x8601},
908 	{0x0008, 0x8602},
909 	{0x0044, 0x8600},
910 	{0x0018, 0x8617},
911 	{0x0008, 0x8618},
912 	{0x00a1, 0x8656},
913 	{0x0004, 0x865b},
914 	{0x0002, 0x865c},
915 	{0x0058, 0x865d},
916 	{0x0048, 0x865e},
917 	{0x0012, 0x8608},
918 	{0x002c, 0x8609},
919 	{0x0002, 0x860a},
920 	{0x002c, 0x860b},
921 	{0x00db, 0x860c},
922 	{0x00f9, 0x860d},
923 	{0x00f1, 0x860e},
924 	{0x00e3, 0x860f},
925 	{0x002c, 0x8610},
926 	{0x006c, 0x8651},
927 	{0x0041, 0x8652},
928 	{0x0059, 0x8653},
929 	{0x0040, 0x8654},
930 	{0x00fa, 0x8611},
931 	{0x00ff, 0x8612},
932 	{0x00f8, 0x8613},
933 	{0x0000, 0x8614},
934 	{0x0001, 0x863f},
935 	{0x0000, 0x8640},
936 	{0x0026, 0x8641},
937 	{0x0045, 0x8642},
938 	{0x0060, 0x8643},
939 	{0x0075, 0x8644},
940 	{0x0088, 0x8645},
941 	{0x009b, 0x8646},
942 	{0x00b0, 0x8647},
943 	{0x00c5, 0x8648},
944 	{0x00d2, 0x8649},
945 	{0x00dc, 0x864a},
946 	{0x00e5, 0x864b},
947 	{0x00eb, 0x864c},
948 	{0x00f0, 0x864d},
949 	{0x00f6, 0x864e},
950 	{0x00fa, 0x864f},
951 	{0x00ff, 0x8650},
952 	{0x0060, 0x8657},
953 	{0x0010, 0x8658},
954 	{0x0018, 0x8659},
955 	{0x0005, 0x865a},
956 	{0x0018, 0x8660},
957 	{0x0003, 0x8509},
958 	{0x0011, 0x850a},
959 	{0x0032, 0x850b},
960 	{0x0010, 0x850c},
961 	{0x0021, 0x850d},
962 	{0x0001, 0x8500},
963 	{0x0000, 0x8508},
964 
965 	{0x0012, 0x8608},
966 	{0x002c, 0x8609},
967 	{0x0002, 0x860a},
968 	{0x0039, 0x860b},
969 	{0x00d0, 0x860c},
970 	{0x00f7, 0x860d},
971 	{0x00ed, 0x860e},
972 	{0x00db, 0x860f},
973 	{0x0039, 0x8610},
974 	{0x0012, 0x8657},
975 	{0x0064, 0x8619},
976 
977 /* This line starts it all, it is not needed here */
978 /* since it has been build into the driver */
979 /* jfm: don't start now */
980 /*	{0x0030, 0x8112}, */
981 	{}
982 };
983 
984 /*
985  * Initialization data for Creative Webcam Vista
986  */
987 static const u16 spca508_vista_init_data[][2] = {
988 	{0x0008, 0x8200},	/* Clear register */
989 	{0x0000, 0x870b},	/* Reset CTL3 */
990 	{0x0020, 0x8112},	/* Video Drop packet enable */
991 	{0x0003, 0x8111},	/* Soft Reset compression, memory, TG & CDSP */
992 	{0x0000, 0x8110},	/* Disable everything */
993 	{0x0000, 0x8114},	/* Software GPIO output data */
994 	{0x0000, 0x8114},
995 
996 	{0x0003, 0x8111},
997 	{0x0000, 0x8111},
998 	{0x0090, 0x8110},    /* Enable: SSI output, External 2X clock output */
999 	{0x0020, 0x8112},
1000 	{0x0000, 0x8114},
1001 	{0x0001, 0x8114},
1002 	{0x0001, 0x8114},
1003 	{0x0001, 0x8114},
1004 	{0x0003, 0x8114},
1005 
1006 	{0x000f, 0x8402},	/* Memory bank Address */
1007 	{0x0000, 0x8403},	/* Memory bank Address */
1008 	{0x00ba, 0x8804},	/* SSI Slave address */
1009 	{0x0010, 0x8802},	/* 93.75kHz SSI Clock Two DataByte */
1010 
1011 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1012 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1013 	{0x0010, 0x8802},	/* Will write 2 bytes (DATA1+DATA2) */
1014 	{0x0020, 0x8801},	/* Register address for SSI read/write */
1015 	{0x0044, 0x8805},	/* DATA2 */
1016 	{0x0004, 0x8800},	/* DATA1 -> write triggered */
1017 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1018 
1019 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1020 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1021 	{0x0010, 0x8802},
1022 	{0x0009, 0x8801},
1023 	{0x0042, 0x8805},
1024 	{0x0001, 0x8800},
1025 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1026 
1027 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1028 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1029 	{0x0010, 0x8802},
1030 	{0x003c, 0x8801},
1031 	{0x0001, 0x8805},
1032 	{0x0000, 0x8800},
1033 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1034 
1035 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1036 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1037 	{0x0010, 0x8802},
1038 	{0x0001, 0x8801},
1039 	{0x000a, 0x8805},
1040 	{0x0000, 0x8800},
1041 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1042 
1043 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1044 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1045 	{0x0010, 0x8802},
1046 	{0x0002, 0x8801},
1047 	{0x0000, 0x8805},
1048 	{0x0000, 0x8800},
1049 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1050 
1051 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1052 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1053 	{0x0010, 0x8802},
1054 	{0x0003, 0x8801},
1055 	{0x0027, 0x8805},
1056 	{0x0001, 0x8800},
1057 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1058 
1059 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1060 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1061 	{0x0010, 0x8802},
1062 	{0x0004, 0x8801},
1063 	{0x0065, 0x8805},
1064 	{0x0001, 0x8800},
1065 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1066 
1067 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1068 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1069 	{0x0010, 0x8802},
1070 	{0x0005, 0x8801},
1071 	{0x0003, 0x8805},
1072 	{0x0000, 0x8800},
1073 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1074 
1075 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1076 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1077 	{0x0010, 0x8802},
1078 	{0x0006, 0x8801},
1079 	{0x001c, 0x8805},
1080 	{0x0000, 0x8800},
1081 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1082 
1083 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1084 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1085 	{0x0010, 0x8802},
1086 	{0x0007, 0x8801},
1087 	{0x002a, 0x8805},
1088 	{0x0000, 0x8800},
1089 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1090 
1091 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1092 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1093 	{0x0010, 0x8802},
1094 	{0x000e, 0x8801},
1095 	{0x0000, 0x8805},
1096 	{0x0000, 0x8800},
1097 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1098 
1099 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1100 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1101 	{0x0010, 0x8802},
1102 	{0x0028, 0x8801},
1103 	{0x002e, 0x8805},
1104 	{0x0000, 0x8800},
1105 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1106 
1107 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1108 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1109 	{0x0010, 0x8802},
1110 	{0x0039, 0x8801},
1111 	{0x0013, 0x8805},
1112 	{0x0000, 0x8800},
1113 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1114 
1115 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1116 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1117 	{0x0010, 0x8802},
1118 	{0x003b, 0x8801},
1119 	{0x000c, 0x8805},
1120 	{0x0000, 0x8800},
1121 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1122 
1123 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1124 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1125 	{0x0010, 0x8802},
1126 	{0x0035, 0x8801},
1127 	{0x0028, 0x8805},
1128 	{0x0000, 0x8800},
1129 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1130 
1131 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1132 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1133 	{0x0010, 0x8802},
1134 	{0x0009, 0x8801},
1135 	{0x0042, 0x8805},
1136 	{0x0001, 0x8800},
1137 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1138 
1139 	{0x0050, 0x8703},
1140 	{0x0002, 0x8704},	/* External input CKIx1 */
1141 	{0x0001, 0x870c},	/* Select CKOx2 output */
1142 	{0x009a, 0x8600},	/* Line memory Read Counter (L) */
1143 	{0x0001, 0x8606},    /* 1 Line memory Read Counter (H) Result: (d)410 */
1144 	{0x0023, 0x8601},
1145 	{0x0010, 0x8602},
1146 	{0x000a, 0x8603},
1147 	{0x009a, 0x8600},
1148 	{0x0001, 0x865b},	/* 1 Horizontal Offset for Valid Pixel(L) */
1149 	{0x0003, 0x865c},	/* Vertical offset for valid lines (L) */
1150 	{0x0058, 0x865d},	/* Horizontal valid pixels window (L) */
1151 	{0x0048, 0x865e},	/* Vertical valid lines window (L) */
1152 	{0x0000, 0x865f},
1153 
1154 	{0x0006, 0x8660},
1155 		    /* Enable nibble data input, select nibble input order */
1156 
1157 	{0x0013, 0x8608},	/* A11 Coeficients for color correction */
1158 	{0x0028, 0x8609},
1159 		    /* Note: these values are confirmed at the end of array */
1160 	{0x0005, 0x860a},	/* ... */
1161 	{0x0025, 0x860b},
1162 	{0x00e1, 0x860c},
1163 	{0x00fa, 0x860d},
1164 	{0x00f4, 0x860e},
1165 	{0x00e8, 0x860f},
1166 	{0x0025, 0x8610},	/* A33 Coef. */
1167 	{0x00fc, 0x8611},	/* White balance offset: R */
1168 	{0x0001, 0x8612},	/* White balance offset: Gr */
1169 	{0x00fe, 0x8613},	/* White balance offset: B */
1170 	{0x0000, 0x8614},	/* White balance offset: Gb */
1171 
1172 	{0x0064, 0x8651},	/* R gain for white balance (L) */
1173 	{0x0040, 0x8652},	/* Gr gain for white balance (L) */
1174 	{0x0066, 0x8653},	/* B gain for white balance (L) */
1175 	{0x0040, 0x8654},	/* Gb gain for white balance (L) */
1176 	{0x0001, 0x863f},	/* Enable fixed gamma correction */
1177 
1178 	{0x00a1, 0x8656},	/* Size - Window1: 256x256, Window2: 128x128,
1179 				 * UV division: UV no change,
1180 				 * Enable New edge enhancement */
1181 	{0x0018, 0x8657},	/* Edge gain high threshold */
1182 	{0x0020, 0x8658},	/* Edge gain low threshold */
1183 	{0x000a, 0x8659},	/* Edge bandwidth high threshold */
1184 	{0x0005, 0x865a},	/* Edge bandwidth low threshold */
1185 	{0x0064, 0x8607},	/* UV filter enable */
1186 
1187 	{0x0016, 0x8660},
1188 	{0x0000, 0x86b0},	/* Bad pixels compensation address */
1189 	{0x00dc, 0x86b1},	/* X coord for bad pixels compensation (L) */
1190 	{0x0000, 0x86b2},
1191 	{0x0009, 0x86b3},	/* Y coord for bad pixels compensation (L) */
1192 	{0x0000, 0x86b4},
1193 
1194 	{0x0001, 0x86b0},
1195 	{0x00f5, 0x86b1},
1196 	{0x0000, 0x86b2},
1197 	{0x00c6, 0x86b3},
1198 	{0x0000, 0x86b4},
1199 
1200 	{0x0002, 0x86b0},
1201 	{0x001c, 0x86b1},
1202 	{0x0001, 0x86b2},
1203 	{0x00d7, 0x86b3},
1204 	{0x0000, 0x86b4},
1205 
1206 	{0x0003, 0x86b0},
1207 	{0x001c, 0x86b1},
1208 	{0x0001, 0x86b2},
1209 	{0x00d8, 0x86b3},
1210 	{0x0000, 0x86b4},
1211 
1212 	{0x0004, 0x86b0},
1213 	{0x001d, 0x86b1},
1214 	{0x0001, 0x86b2},
1215 	{0x00d8, 0x86b3},
1216 	{0x0000, 0x86b4},
1217 	{0x001e, 0x8660},
1218 
1219 	/* READ { 0x0000, 0x8608 } -> 0000: 13  */
1220 	/* READ { 0x0000, 0x8609 } -> 0000: 28  */
1221 	/* READ { 0x0000, 0x8610 } -> 0000: 05  */
1222 	/* READ { 0x0000, 0x8611 } -> 0000: 25  */
1223 	/* READ { 0x0000, 0x8612 } -> 0000: e1  */
1224 	/* READ { 0x0000, 0x8613 } -> 0000: fa  */
1225 	/* READ { 0x0000, 0x8614 } -> 0000: f4  */
1226 	/* READ { 0x0000, 0x8615 } -> 0000: e8  */
1227 	/* READ { 0x0000, 0x8616 } -> 0000: 25  */
1228 	{}
1229 };
1230 
1231 static int reg_write(struct gspca_dev *gspca_dev, u16 index, u16 value)
1232 {
1233 	int ret;
1234 	struct usb_device *dev = gspca_dev->dev;
1235 
1236 	ret = usb_control_msg(dev,
1237 			usb_sndctrlpipe(dev, 0),
1238 			0,		/* request */
1239 			USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1240 			value, index, NULL, 0, 500);
1241 	gspca_dbg(gspca_dev, D_USBO, "reg write i:0x%04x = 0x%02x\n",
1242 		  index, value);
1243 	if (ret < 0)
1244 		pr_err("reg write: error %d\n", ret);
1245 	return ret;
1246 }
1247 
1248 /* read 1 byte */
1249 /* returns: negative is error, pos or zero is data */
1250 static int reg_read(struct gspca_dev *gspca_dev,
1251 			u16 index)	/* wIndex */
1252 {
1253 	int ret;
1254 
1255 	ret = usb_control_msg(gspca_dev->dev,
1256 			usb_rcvctrlpipe(gspca_dev->dev, 0),
1257 			0,			/* register */
1258 			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1259 			0,		/* value */
1260 			index,
1261 			gspca_dev->usb_buf, 1,
1262 			500);			/* timeout */
1263 	gspca_dbg(gspca_dev, D_USBI, "reg read i:%04x --> %02x\n",
1264 		  index, gspca_dev->usb_buf[0]);
1265 	if (ret < 0) {
1266 		pr_err("reg_read err %d\n", ret);
1267 		return ret;
1268 	}
1269 	return gspca_dev->usb_buf[0];
1270 }
1271 
1272 /* send 1 or 2 bytes to the sensor via the Synchronous Serial Interface */
1273 static int ssi_w(struct gspca_dev *gspca_dev,
1274 		u16 reg, u16 val)
1275 {
1276 	int ret, retry;
1277 
1278 	ret = reg_write(gspca_dev, 0x8802, reg >> 8);
1279 	if (ret < 0)
1280 		goto out;
1281 	ret = reg_write(gspca_dev, 0x8801, reg & 0x00ff);
1282 	if (ret < 0)
1283 		goto out;
1284 	if ((reg & 0xff00) == 0x1000) {		/* if 2 bytes */
1285 		ret = reg_write(gspca_dev, 0x8805, val & 0x00ff);
1286 		if (ret < 0)
1287 			goto out;
1288 		val >>= 8;
1289 	}
1290 	ret = reg_write(gspca_dev, 0x8800, val);
1291 	if (ret < 0)
1292 		goto out;
1293 
1294 	/* poll until not busy */
1295 	retry = 10;
1296 	for (;;) {
1297 		ret = reg_read(gspca_dev, 0x8803);
1298 		if (ret < 0)
1299 			break;
1300 		if (gspca_dev->usb_buf[0] == 0)
1301 			break;
1302 		if (--retry <= 0) {
1303 			gspca_err(gspca_dev, "ssi_w busy %02x\n",
1304 				  gspca_dev->usb_buf[0]);
1305 			ret = -1;
1306 			break;
1307 		}
1308 		msleep(8);
1309 	}
1310 
1311 out:
1312 	return ret;
1313 }
1314 
1315 static int write_vector(struct gspca_dev *gspca_dev,
1316 			const u16 (*data)[2])
1317 {
1318 	int ret = 0;
1319 
1320 	while ((*data)[1] != 0) {
1321 		if ((*data)[1] & 0x8000) {
1322 			if ((*data)[1] == 0xdd00)	/* delay */
1323 				msleep((*data)[0]);
1324 			else
1325 				ret = reg_write(gspca_dev, (*data)[1],
1326 								(*data)[0]);
1327 		} else {
1328 			ret = ssi_w(gspca_dev, (*data)[1], (*data)[0]);
1329 		}
1330 		if (ret < 0)
1331 			break;
1332 		data++;
1333 	}
1334 	return ret;
1335 }
1336 
1337 /* this function is called at probe time */
1338 static int sd_config(struct gspca_dev *gspca_dev,
1339 			const struct usb_device_id *id)
1340 {
1341 	struct sd *sd = (struct sd *) gspca_dev;
1342 	struct cam *cam;
1343 	const u16 (*init_data)[2];
1344 	static const u16 (*(init_data_tb[]))[2] = {
1345 		spca508_vista_init_data,	/* CreativeVista 0 */
1346 		spca508_sightcam_init_data,	/* HamaUSBSightcam 1 */
1347 		spca508_sightcam2_init_data,	/* HamaUSBSightcam2 2 */
1348 		spca508cs110_init_data,		/* IntelEasyPCCamera 3 */
1349 		spca508cs110_init_data,		/* MicroInnovationIC200 4 */
1350 		spca508_init_data,		/* ViewQuestVQ110 5 */
1351 	};
1352 	int data1, data2;
1353 
1354 	/* Read from global register the USB product and vendor IDs, just to
1355 	 * prove that we can communicate with the device.  This works, which
1356 	 * confirms at we are communicating properly and that the device
1357 	 * is a 508. */
1358 	data1 = reg_read(gspca_dev, 0x8104);
1359 	data2 = reg_read(gspca_dev, 0x8105);
1360 	gspca_dbg(gspca_dev, D_PROBE, "Webcam Vendor ID: 0x%02x%02x\n",
1361 		  data2, data1);
1362 
1363 	data1 = reg_read(gspca_dev, 0x8106);
1364 	data2 = reg_read(gspca_dev, 0x8107);
1365 	gspca_dbg(gspca_dev, D_PROBE, "Webcam Product ID: 0x%02x%02x\n",
1366 		  data2, data1);
1367 
1368 	data1 = reg_read(gspca_dev, 0x8621);
1369 	gspca_dbg(gspca_dev, D_PROBE, "Window 1 average luminance: %d\n",
1370 		  data1);
1371 
1372 	cam = &gspca_dev->cam;
1373 	cam->cam_mode = sif_mode;
1374 	cam->nmodes = ARRAY_SIZE(sif_mode);
1375 
1376 	sd->subtype = id->driver_info;
1377 
1378 	init_data = init_data_tb[sd->subtype];
1379 	return write_vector(gspca_dev, init_data);
1380 }
1381 
1382 /* this function is called at probe and resume time */
1383 static int sd_init(struct gspca_dev *gspca_dev)
1384 {
1385 	return 0;
1386 }
1387 
1388 static int sd_start(struct gspca_dev *gspca_dev)
1389 {
1390 	int mode;
1391 
1392 	mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
1393 	reg_write(gspca_dev, 0x8500, mode);
1394 	switch (mode) {
1395 	case 0:
1396 	case 1:
1397 		reg_write(gspca_dev, 0x8700, 0x28); /* clock */
1398 		break;
1399 	default:
1400 /*	case 2: */
1401 /*	case 3: */
1402 		reg_write(gspca_dev, 0x8700, 0x23); /* clock */
1403 		break;
1404 	}
1405 	reg_write(gspca_dev, 0x8112, 0x10 | 0x20);
1406 	return 0;
1407 }
1408 
1409 static void sd_stopN(struct gspca_dev *gspca_dev)
1410 {
1411 	/* Video ISO disable, Video Drop Packet enable: */
1412 	reg_write(gspca_dev, 0x8112, 0x20);
1413 }
1414 
1415 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
1416 			u8 *data,			/* isoc packet */
1417 			int len)			/* iso packet length */
1418 {
1419 	switch (data[0]) {
1420 	case 0:				/* start of frame */
1421 		gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
1422 		data += SPCA508_OFFSET_DATA;
1423 		len -= SPCA508_OFFSET_DATA;
1424 		gspca_frame_add(gspca_dev, FIRST_PACKET, data, len);
1425 		break;
1426 	case 0xff:			/* drop */
1427 		break;
1428 	default:
1429 		data += 1;
1430 		len -= 1;
1431 		gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
1432 		break;
1433 	}
1434 }
1435 
1436 static void setbrightness(struct gspca_dev *gspca_dev, s32 brightness)
1437 {
1438 	/* MX seem contrast */
1439 	reg_write(gspca_dev, 0x8651, brightness);
1440 	reg_write(gspca_dev, 0x8652, brightness);
1441 	reg_write(gspca_dev, 0x8653, brightness);
1442 	reg_write(gspca_dev, 0x8654, brightness);
1443 }
1444 
1445 static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
1446 {
1447 	struct gspca_dev *gspca_dev =
1448 		container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
1449 
1450 	gspca_dev->usb_err = 0;
1451 
1452 	if (!gspca_dev->streaming)
1453 		return 0;
1454 
1455 	switch (ctrl->id) {
1456 	case V4L2_CID_BRIGHTNESS:
1457 		setbrightness(gspca_dev, ctrl->val);
1458 		break;
1459 	}
1460 	return gspca_dev->usb_err;
1461 }
1462 
1463 static const struct v4l2_ctrl_ops sd_ctrl_ops = {
1464 	.s_ctrl = sd_s_ctrl,
1465 };
1466 
1467 static int sd_init_controls(struct gspca_dev *gspca_dev)
1468 {
1469 	struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
1470 
1471 	gspca_dev->vdev.ctrl_handler = hdl;
1472 	v4l2_ctrl_handler_init(hdl, 5);
1473 	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1474 			V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1475 
1476 	if (hdl->error) {
1477 		pr_err("Could not initialize controls\n");
1478 		return hdl->error;
1479 	}
1480 	return 0;
1481 }
1482 
1483 /* sub-driver description */
1484 static const struct sd_desc sd_desc = {
1485 	.name = MODULE_NAME,
1486 	.config = sd_config,
1487 	.init = sd_init,
1488 	.init_controls = sd_init_controls,
1489 	.start = sd_start,
1490 	.stopN = sd_stopN,
1491 	.pkt_scan = sd_pkt_scan,
1492 };
1493 
1494 /* -- module initialisation -- */
1495 static const struct usb_device_id device_table[] = {
1496 	{USB_DEVICE(0x0130, 0x0130), .driver_info = HamaUSBSightcam},
1497 	{USB_DEVICE(0x041e, 0x4018), .driver_info = CreativeVista},
1498 	{USB_DEVICE(0x0733, 0x0110), .driver_info = ViewQuestVQ110},
1499 	{USB_DEVICE(0x0af9, 0x0010), .driver_info = HamaUSBSightcam},
1500 	{USB_DEVICE(0x0af9, 0x0011), .driver_info = HamaUSBSightcam2},
1501 	{USB_DEVICE(0x8086, 0x0110), .driver_info = IntelEasyPCCamera},
1502 	{}
1503 };
1504 MODULE_DEVICE_TABLE(usb, device_table);
1505 
1506 /* -- device connect -- */
1507 static int sd_probe(struct usb_interface *intf,
1508 			const struct usb_device_id *id)
1509 {
1510 	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1511 				THIS_MODULE);
1512 }
1513 
1514 static struct usb_driver sd_driver = {
1515 	.name = MODULE_NAME,
1516 	.id_table = device_table,
1517 	.probe = sd_probe,
1518 	.disconnect = gspca_disconnect,
1519 #ifdef CONFIG_PM
1520 	.suspend = gspca_suspend,
1521 	.resume = gspca_resume,
1522 	.reset_resume = gspca_resume,
1523 #endif
1524 };
1525 
1526 module_usb_driver(sd_driver);
1527