xref: /openbmc/linux/drivers/media/usb/gspca/spca508.c (revision bc5aa3a0)
1 /*
2  * SPCA508 chip based cameras subdriver
3  *
4  * Copyright (C) 2009 Jean-Francois 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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
22 
23 #define MODULE_NAME "spca508"
24 
25 #include "gspca.h"
26 
27 MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
28 MODULE_DESCRIPTION("GSPCA/SPCA508 USB Camera Driver");
29 MODULE_LICENSE("GPL");
30 
31 /* specific webcam descriptor */
32 struct sd {
33 	struct gspca_dev gspca_dev;		/* !! must be the first item */
34 
35 	u8 subtype;
36 #define CreativeVista 0
37 #define HamaUSBSightcam 1
38 #define HamaUSBSightcam2 2
39 #define IntelEasyPCCamera 3
40 #define MicroInnovationIC200 4
41 #define ViewQuestVQ110 5
42 };
43 
44 static const struct v4l2_pix_format sif_mode[] = {
45 	{160, 120, V4L2_PIX_FMT_SPCA508, V4L2_FIELD_NONE,
46 		.bytesperline = 160,
47 		.sizeimage = 160 * 120 * 3 / 2,
48 		.colorspace = V4L2_COLORSPACE_SRGB,
49 		.priv = 3},
50 	{176, 144, V4L2_PIX_FMT_SPCA508, V4L2_FIELD_NONE,
51 		.bytesperline = 176,
52 		.sizeimage = 176 * 144 * 3 / 2,
53 		.colorspace = V4L2_COLORSPACE_SRGB,
54 		.priv = 2},
55 	{320, 240, V4L2_PIX_FMT_SPCA508, V4L2_FIELD_NONE,
56 		.bytesperline = 320,
57 		.sizeimage = 320 * 240 * 3 / 2,
58 		.colorspace = V4L2_COLORSPACE_SRGB,
59 		.priv = 1},
60 	{352, 288, V4L2_PIX_FMT_SPCA508, V4L2_FIELD_NONE,
61 		.bytesperline = 352,
62 		.sizeimage = 352 * 288 * 3 / 2,
63 		.colorspace = V4L2_COLORSPACE_SRGB,
64 		.priv = 0},
65 };
66 
67 /* Frame packet header offsets for the spca508 */
68 #define SPCA508_OFFSET_DATA 37
69 
70 /*
71  * Initialization data: this is the first set-up data written to the
72  * device (before the open data).
73  */
74 static const u16 spca508_init_data[][2] = {
75 	{0x0000, 0x870b},
76 
77 	{0x0020, 0x8112},	/* Video drop enable, ISO streaming disable */
78 	{0x0003, 0x8111},	/* Reset compression & memory */
79 	{0x0000, 0x8110},	/* Disable all outputs */
80 	/* READ {0x0000, 0x8114} -> 0000: 00  */
81 	{0x0000, 0x8114},	/* SW GPIO data */
82 	{0x0008, 0x8110},	/* Enable charge pump output */
83 	{0x0002, 0x8116},	/* 200 kHz pump clock */
84 	/* UNKNOWN DIRECTION (URB_FUNCTION_SELECT_INTERFACE:) */
85 	{0x0003, 0x8111},	/* Reset compression & memory */
86 	{0x0000, 0x8111},	/* Normal mode (not reset) */
87 	{0x0098, 0x8110},
88 		/* Enable charge pump output, sync.serial,external 2x clock */
89 	{0x000d, 0x8114},	/* SW GPIO data */
90 	{0x0002, 0x8116},	/* 200 kHz pump clock */
91 	{0x0020, 0x8112},	/* Video drop enable, ISO streaming disable */
92 /* --------------------------------------- */
93 	{0x000f, 0x8402},	/* memory bank */
94 	{0x0000, 0x8403},	/* ... address */
95 /* --------------------------------------- */
96 /* 0x88__ is Synchronous Serial Interface. */
97 /* TBD: This table could be expressed more compactly */
98 /* using spca508_write_i2c_vector(). */
99 /* TBD: Should see if the values in spca50x_i2c_data */
100 /* would work with the VQ110 instead of the values */
101 /* below. */
102 	{0x00c0, 0x8804},	/* SSI slave addr */
103 	{0x0008, 0x8802},	/* 375 Khz SSI clock */
104 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
105 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
106 	{0x0008, 0x8802},	/* 375 Khz SSI clock */
107 	{0x0012, 0x8801},	/* SSI reg addr */
108 	{0x0080, 0x8800},	/* SSI data to write */
109 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
110 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
111 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
112 	{0x0008, 0x8802},	/* 375 Khz SSI clock */
113 	{0x0012, 0x8801},	/* SSI reg addr */
114 	{0x0000, 0x8800},	/* SSI data to write */
115 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
116 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
117 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
118 	{0x0008, 0x8802},	/* 375 Khz SSI clock */
119 	{0x0011, 0x8801},	/* SSI reg addr */
120 	{0x0040, 0x8800},	/* SSI data to write */
121 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
122 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
123 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
124 	{0x0008, 0x8802},
125 	{0x0013, 0x8801},
126 	{0x0000, 0x8800},
127 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
128 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
129 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
130 	{0x0008, 0x8802},
131 	{0x0014, 0x8801},
132 	{0x0000, 0x8800},
133 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
134 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
135 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
136 	{0x0008, 0x8802},
137 	{0x0015, 0x8801},
138 	{0x0001, 0x8800},
139 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
140 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
141 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
142 	{0x0008, 0x8802},
143 	{0x0016, 0x8801},
144 	{0x0003, 0x8800},
145 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
146 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
147 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
148 	{0x0008, 0x8802},
149 	{0x0017, 0x8801},
150 	{0x0036, 0x8800},
151 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
152 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
153 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
154 	{0x0008, 0x8802},
155 	{0x0018, 0x8801},
156 	{0x00ec, 0x8800},
157 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
158 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
159 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
160 	{0x0008, 0x8802},
161 	{0x001a, 0x8801},
162 	{0x0094, 0x8800},
163 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
164 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
165 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
166 	{0x0008, 0x8802},
167 	{0x001b, 0x8801},
168 	{0x0000, 0x8800},
169 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
170 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
171 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
172 	{0x0008, 0x8802},
173 	{0x0027, 0x8801},
174 	{0x00a2, 0x8800},
175 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
176 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
177 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
178 	{0x0008, 0x8802},
179 	{0x0028, 0x8801},
180 	{0x0040, 0x8800},
181 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
182 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
183 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
184 	{0x0008, 0x8802},
185 	{0x002a, 0x8801},
186 	{0x0084, 0x8800},
187 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
188 	/* READ { 0x0001, 0x8803 } -> 0000: 00 */
189 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
190 	{0x0008, 0x8802},
191 	{0x002b, 0x8801},
192 	{0x00a8, 0x8800},
193 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
194 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
195 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
196 	{0x0008, 0x8802},
197 	{0x002c, 0x8801},
198 	{0x00fe, 0x8800},
199 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
200 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
201 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
202 	{0x0008, 0x8802},
203 	{0x002d, 0x8801},
204 	{0x0003, 0x8800},
205 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
206 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
207 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
208 	{0x0008, 0x8802},
209 	{0x0038, 0x8801},
210 	{0x0083, 0x8800},
211 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
212 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
213 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
214 	{0x0008, 0x8802},
215 	{0x0033, 0x8801},
216 	{0x0081, 0x8800},
217 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
218 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
219 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
220 	{0x0008, 0x8802},
221 	{0x0034, 0x8801},
222 	{0x004a, 0x8800},
223 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
224 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
225 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
226 	{0x0008, 0x8802},
227 	{0x0039, 0x8801},
228 	{0x0000, 0x8800},
229 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
230 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
231 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
232 	{0x0008, 0x8802},
233 	{0x0010, 0x8801},
234 	{0x00a8, 0x8800},
235 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
236 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
237 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
238 	{0x0008, 0x8802},
239 	{0x0006, 0x8801},
240 	{0x0058, 0x8800},
241 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
242 	/* READ { 0x0001, 0x8803 } -> 0000: 00 */
243 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
244 	{0x0008, 0x8802},
245 	{0x0000, 0x8801},
246 	{0x0004, 0x8800},
247 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
248 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
249 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
250 	{0x0008, 0x8802},
251 	{0x0040, 0x8801},
252 	{0x0080, 0x8800},
253 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
254 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
255 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
256 	{0x0008, 0x8802},
257 	{0x0041, 0x8801},
258 	{0x000c, 0x8800},
259 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
260 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
261 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
262 	{0x0008, 0x8802},
263 	{0x0042, 0x8801},
264 	{0x000c, 0x8800},
265 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
266 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
267 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
268 	{0x0008, 0x8802},
269 	{0x0043, 0x8801},
270 	{0x0028, 0x8800},
271 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
272 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
273 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
274 	{0x0008, 0x8802},
275 	{0x0044, 0x8801},
276 	{0x0080, 0x8800},
277 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
278 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
279 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
280 	{0x0008, 0x8802},
281 	{0x0045, 0x8801},
282 	{0x0020, 0x8800},
283 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
284 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
285 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
286 	{0x0008, 0x8802},
287 	{0x0046, 0x8801},
288 	{0x0020, 0x8800},
289 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
290 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
291 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
292 	{0x0008, 0x8802},
293 	{0x0047, 0x8801},
294 	{0x0080, 0x8800},
295 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
296 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
297 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
298 	{0x0008, 0x8802},
299 	{0x0048, 0x8801},
300 	{0x004c, 0x8800},
301 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
302 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
303 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
304 	{0x0008, 0x8802},
305 	{0x0049, 0x8801},
306 	{0x0084, 0x8800},
307 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
308 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
309 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
310 	{0x0008, 0x8802},
311 	{0x004a, 0x8801},
312 	{0x0084, 0x8800},
313 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
314 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
315 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
316 	{0x0008, 0x8802},
317 	{0x004b, 0x8801},
318 	{0x0084, 0x8800},
319 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
320 	/* --------------------------------------- */
321 	{0x0012, 0x8700},	/* Clock speed 48Mhz/(2+2)/2= 6 Mhz */
322 	{0x0000, 0x8701},	/* CKx1 clock delay adj */
323 	{0x0000, 0x8701},	/* CKx1 clock delay adj */
324 	{0x0001, 0x870c},	/* CKOx2 output */
325 	/* --------------------------------------- */
326 	{0x0080, 0x8600},	/* Line memory read counter (L) */
327 	{0x0001, 0x8606},	/* reserved */
328 	{0x0064, 0x8607},	/* Line memory read counter (H) 0x6480=25,728 */
329 	{0x002a, 0x8601},	/* CDSP sharp interpolation mode,
330 	 *			line sel for color sep, edge enhance enab */
331 	{0x0000, 0x8602},	/* optical black level for user settng = 0 */
332 	{0x0080, 0x8600},	/* Line memory read counter (L) */
333 	{0x000a, 0x8603},	/* optical black level calc mode:
334 				 * auto; optical black offset = 10 */
335 	{0x00df, 0x865b},	/* Horiz offset for valid pixels (L)=0xdf */
336 	{0x0012, 0x865c},	/* Vert offset for valid lines (L)=0x12 */
337 
338 /* The following two lines seem to be the "wrong" resolution. */
339 /* But perhaps these indicate the actual size of the sensor */
340 /* rather than the size of the current video mode. */
341 	{0x0058, 0x865d},	/* Horiz valid pixels (*4) (L) = 352 */
342 	{0x0048, 0x865e},	/* Vert valid lines (*4) (L) = 288 */
343 
344 	{0x0015, 0x8608},	/* A11 Coef ... */
345 	{0x0030, 0x8609},
346 	{0x00fb, 0x860a},
347 	{0x003e, 0x860b},
348 	{0x00ce, 0x860c},
349 	{0x00f4, 0x860d},
350 	{0x00eb, 0x860e},
351 	{0x00dc, 0x860f},
352 	{0x0039, 0x8610},
353 	{0x0001, 0x8611},	/* R offset for white balance ... */
354 	{0x0000, 0x8612},
355 	{0x0001, 0x8613},
356 	{0x0000, 0x8614},
357 	{0x005b, 0x8651},	/* R gain for white balance ... */
358 	{0x0040, 0x8652},
359 	{0x0060, 0x8653},
360 	{0x0040, 0x8654},
361 	{0x0000, 0x8655},
362 	{0x0001, 0x863f},	/* Fixed gamma correction enable, USB control,
363 				 * lum filter disable, lum noise clip disable */
364 	{0x00a1, 0x8656},	/* Window1 size 256x256, Windows2 size 64x64,
365 				 * gamma look-up disable,
366 				 * new edge enhancement enable */
367 	{0x0018, 0x8657},	/* Edge gain high thresh */
368 	{0x0020, 0x8658},	/* Edge gain low thresh */
369 	{0x000a, 0x8659},	/* Edge bandwidth high threshold */
370 	{0x0005, 0x865a},	/* Edge bandwidth low threshold */
371 	/* -------------------------------- */
372 	{0x0030, 0x8112},	/* Video drop enable, ISO streaming enable */
373 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
374 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
375 	{0xa908, 0x8802},
376 	{0x0034, 0x8801},	/* SSI reg addr */
377 	{0x00ca, 0x8800},
378 	/* SSI data to write */
379 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
380 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
381 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
382 	{0x1f08, 0x8802},
383 	{0x0006, 0x8801},
384 	{0x0080, 0x8800},
385 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
386 
387 /* ----- Read back coefs we wrote earlier. */
388 	/* READ { 0x0000, 0x8608 } -> 0000: 15  */
389 	/* READ { 0x0000, 0x8609 } -> 0000: 30  */
390 	/* READ { 0x0000, 0x860a } -> 0000: fb  */
391 	/* READ { 0x0000, 0x860b } -> 0000: 3e  */
392 	/* READ { 0x0000, 0x860c } -> 0000: ce  */
393 	/* READ { 0x0000, 0x860d } -> 0000: f4  */
394 	/* READ { 0x0000, 0x860e } -> 0000: eb  */
395 	/* READ { 0x0000, 0x860f } -> 0000: dc  */
396 	/* READ { 0x0000, 0x8610 } -> 0000: 39  */
397 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
398 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
399 	{0xb008, 0x8802},
400 	{0x0006, 0x8801},
401 	{0x007d, 0x8800},
402 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
403 
404 
405 	/* This chunk is seemingly redundant with */
406 	/* earlier commands (A11 Coef...), but if I disable it, */
407 	/* the image appears too dark.  Maybe there was some kind of */
408 	/* reset since the earlier commands, so this is necessary again. */
409 	{0x0015, 0x8608},
410 	{0x0030, 0x8609},
411 	{0xfffb, 0x860a},
412 	{0x003e, 0x860b},
413 	{0xffce, 0x860c},
414 	{0xfff4, 0x860d},
415 	{0xffeb, 0x860e},
416 	{0xffdc, 0x860f},
417 	{0x0039, 0x8610},
418 	{0x0018, 0x8657},
419 
420 	{0x0000, 0x8508},	/* Disable compression. */
421 	/* Previous line was:
422 	{0x0021, 0x8508},	 * Enable compression. */
423 	{0x0032, 0x850b},	/* compression stuff */
424 	{0x0003, 0x8509},	/* compression stuff */
425 	{0x0011, 0x850a},	/* compression stuff */
426 	{0x0021, 0x850d},	/* compression stuff */
427 	{0x0010, 0x850c},	/* compression stuff */
428 	{0x0003, 0x8500},	/* *** Video mode: 160x120 */
429 	{0x0001, 0x8501},	/* Hardware-dominated snap control */
430 	{0x0061, 0x8656},	/* Window1 size 128x128, Windows2 size 128x128,
431 				 * gamma look-up disable,
432 				 * new edge enhancement enable */
433 	{0x0018, 0x8617},	/* Window1 start X (*2) */
434 	{0x0008, 0x8618},	/* Window1 start Y (*2) */
435 	{0x0061, 0x8656},	/* Window1 size 128x128, Windows2 size 128x128,
436 				 * gamma look-up disable,
437 				 * new edge enhancement enable */
438 	{0x0058, 0x8619},	/* Window2 start X (*2) */
439 	{0x0008, 0x861a},	/* Window2 start Y (*2) */
440 	{0x00ff, 0x8615},	/* High lum thresh for white balance */
441 	{0x0000, 0x8616},	/* Low lum thresh for white balance */
442 	{0x0012, 0x8700},	/* Clock speed 48Mhz/(2+2)/2= 6 Mhz */
443 	{0x0012, 0x8700},	/* Clock speed 48Mhz/(2+2)/2= 6 Mhz */
444 	/* READ { 0x0000, 0x8656 } -> 0000: 61  */
445 	{0x0028, 0x8802},    /* 375 Khz SSI clock, SSI r/w sync with VSYNC */
446 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
447 	/* READ { 0x0001, 0x8802 } -> 0000: 28  */
448 	{0x1f28, 0x8802},    /* 375 Khz SSI clock, SSI r/w sync with VSYNC */
449 	{0x0010, 0x8801},	/* SSI reg addr */
450 	{0x003e, 0x8800},	/* SSI data to write */
451 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
452 	{0x0028, 0x8802},
453 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
454 	/* READ { 0x0001, 0x8802 } -> 0000: 28  */
455 	{0x1f28, 0x8802},
456 	{0x0000, 0x8801},
457 	{0x001f, 0x8800},
458 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
459 	{0x0001, 0x8602},    /* optical black level for user settning = 1 */
460 
461 	/* Original: */
462 	{0x0023, 0x8700},	/* Clock speed 48Mhz/(3+2)/4= 2.4 Mhz */
463 	{0x000f, 0x8602},    /* optical black level for user settning = 15 */
464 
465 	{0x0028, 0x8802},
466 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
467 	/* READ { 0x0001, 0x8802 } -> 0000: 28  */
468 	{0x1f28, 0x8802},
469 	{0x0010, 0x8801},
470 	{0x007b, 0x8800},
471 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
472 	{0x002f, 0x8651},	/* R gain for white balance ... */
473 	{0x0080, 0x8653},
474 	/* READ { 0x0000, 0x8655 } -> 0000: 00  */
475 	{0x0000, 0x8655},
476 
477 	{0x0030, 0x8112},	/* Video drop enable, ISO streaming enable */
478 	{0x0020, 0x8112},	/* Video drop enable, ISO streaming disable */
479 	/* UNKNOWN DIRECTION (URB_FUNCTION_SELECT_INTERFACE: (ALT=0) ) */
480 	{}
481 };
482 
483 /*
484  * Initialization data for Intel EasyPC Camera CS110
485  */
486 static const u16 spca508cs110_init_data[][2] = {
487 	{0x0000, 0x870b},	/* Reset CTL3 */
488 	{0x0003, 0x8111},	/* Soft Reset compression, memory, TG & CDSP */
489 	{0x0000, 0x8111},	/* Normal operation on reset */
490 	{0x0090, 0x8110},
491 		 /* External Clock 2x & Synchronous Serial Interface Output */
492 	{0x0020, 0x8112},	/* Video Drop packet enable */
493 	{0x0000, 0x8114},	/* Software GPIO output data */
494 	{0x0001, 0x8114},
495 	{0x0001, 0x8114},
496 	{0x0001, 0x8114},
497 	{0x0003, 0x8114},
498 
499 	/* Initial sequence Synchronous Serial Interface */
500 	{0x000f, 0x8402},	/* Memory bank Address */
501 	{0x0000, 0x8403},	/* Memory bank Address */
502 	{0x00ba, 0x8804},	/* SSI Slave address */
503 	{0x0010, 0x8802},	/* 93.75kHz SSI Clock Two DataByte */
504 	{0x0010, 0x8802},	/* 93.75kHz SSI Clock two DataByte */
505 
506 	{0x0001, 0x8801},
507 	{0x000a, 0x8805},	/* a - NWG: Dunno what this is about */
508 	{0x0000, 0x8800},
509 	{0x0010, 0x8802},
510 
511 	{0x0002, 0x8801},
512 	{0x0000, 0x8805},
513 	{0x0000, 0x8800},
514 	{0x0010, 0x8802},
515 
516 	{0x0003, 0x8801},
517 	{0x0027, 0x8805},
518 	{0x0001, 0x8800},
519 	{0x0010, 0x8802},
520 
521 	{0x0004, 0x8801},
522 	{0x0065, 0x8805},
523 	{0x0001, 0x8800},
524 	{0x0010, 0x8802},
525 
526 	{0x0005, 0x8801},
527 	{0x0003, 0x8805},
528 	{0x0000, 0x8800},
529 	{0x0010, 0x8802},
530 
531 	{0x0006, 0x8801},
532 	{0x001c, 0x8805},
533 	{0x0000, 0x8800},
534 	{0x0010, 0x8802},
535 
536 	{0x0007, 0x8801},
537 	{0x002a, 0x8805},
538 	{0x0000, 0x8800},
539 	{0x0010, 0x8802},
540 
541 	{0x0002, 0x8704},	/* External input CKIx1 */
542 	{0x0001, 0x8606},    /* 1 Line memory Read Counter (H) Result: (d)410 */
543 	{0x009a, 0x8600},	/* Line memory Read Counter (L) */
544 	{0x0001, 0x865b},	/* 1 Horizontal Offset for Valid Pixel(L) */
545 	{0x0003, 0x865c},	/* 3 Vertical Offset for Valid Lines(L) */
546 	{0x0058, 0x865d},	/* 58 Horizontal Valid Pixel Window(L) */
547 
548 	{0x0006, 0x8660},	/* Nibble data + input order */
549 
550 	{0x000a, 0x8602},	/* Optical black level set to 0x0a */
551 	{0x0000, 0x8603},	/* Optical black level Offset */
552 
553 /*	{0x0000, 0x8611},	 * 0 R  Offset for white Balance */
554 /*	{0x0000, 0x8612},	 * 1 Gr Offset for white Balance */
555 /*	{0x0000, 0x8613},	 * 1f B  Offset for white Balance */
556 /*	{0x0000, 0x8614},	 * f0 Gb Offset for white Balance */
557 
558 	{0x0040, 0x8651},   /* 2b BLUE gain for white balance  good at all 60 */
559 	{0x0030, 0x8652},	/* 41 Gr Gain for white Balance (L) */
560 	{0x0035, 0x8653},	/* 26 RED gain for white balance */
561 	{0x0035, 0x8654},	/* 40Gb Gain for white Balance (L) */
562 	{0x0041, 0x863f},
563 	      /* Fixed Gamma correction enabled (makes colours look better) */
564 
565 	{0x0000, 0x8655},
566 		/* High bits for white balance*****brightness control*** */
567 	{}
568 };
569 
570 static const u16 spca508_sightcam_init_data[][2] = {
571 /* This line seems to setup the frame/canvas */
572 	{0x000f, 0x8402},
573 
574 /* These 6 lines are needed to startup the webcam */
575 	{0x0090, 0x8110},
576 	{0x0001, 0x8114},
577 	{0x0001, 0x8114},
578 	{0x0001, 0x8114},
579 	{0x0003, 0x8114},
580 	{0x0080, 0x8804},
581 
582 /* This part seems to make the pictures darker? (autobrightness?) */
583 	{0x0001, 0x8801},
584 	{0x0004, 0x8800},
585 	{0x0003, 0x8801},
586 	{0x00e0, 0x8800},
587 	{0x0004, 0x8801},
588 	{0x00b4, 0x8800},
589 	{0x0005, 0x8801},
590 	{0x0000, 0x8800},
591 
592 	{0x0006, 0x8801},
593 	{0x00e0, 0x8800},
594 	{0x0007, 0x8801},
595 	{0x000c, 0x8800},
596 
597 /* This section is just needed, it probably
598  * does something like the previous section,
599  * but the cam won't start if it's not included.
600  */
601 	{0x0014, 0x8801},
602 	{0x0008, 0x8800},
603 	{0x0015, 0x8801},
604 	{0x0067, 0x8800},
605 	{0x0016, 0x8801},
606 	{0x0000, 0x8800},
607 	{0x0017, 0x8801},
608 	{0x0020, 0x8800},
609 	{0x0018, 0x8801},
610 	{0x0044, 0x8800},
611 
612 /* Makes the picture darker - and the
613  * cam won't start if not included
614  */
615 	{0x001e, 0x8801},
616 	{0x00ea, 0x8800},
617 	{0x001f, 0x8801},
618 	{0x0001, 0x8800},
619 	{0x0003, 0x8801},
620 	{0x00e0, 0x8800},
621 
622 /* seems to place the colors ontop of each other #1 */
623 	{0x0006, 0x8704},
624 	{0x0001, 0x870c},
625 	{0x0016, 0x8600},
626 	{0x0002, 0x8606},
627 
628 /* if not included the pictures becomes _very_ dark */
629 	{0x0064, 0x8607},
630 	{0x003a, 0x8601},
631 	{0x0000, 0x8602},
632 
633 /* seems to place the colors ontop of each other #2 */
634 	{0x0016, 0x8600},
635 	{0x0018, 0x8617},
636 	{0x0008, 0x8618},
637 	{0x00a1, 0x8656},
638 
639 /* webcam won't start if not included */
640 	{0x0007, 0x865b},
641 	{0x0001, 0x865c},
642 	{0x0058, 0x865d},
643 	{0x0048, 0x865e},
644 
645 /* adjusts the colors */
646 	{0x0049, 0x8651},
647 	{0x0040, 0x8652},
648 	{0x004c, 0x8653},
649 	{0x0040, 0x8654},
650 	{}
651 };
652 
653 static const u16 spca508_sightcam2_init_data[][2] = {
654 	{0x0020, 0x8112},
655 
656 	{0x000f, 0x8402},
657 	{0x0000, 0x8403},
658 
659 	{0x0008, 0x8201},
660 	{0x0008, 0x8200},
661 	{0x0001, 0x8200},
662 	{0x0009, 0x8201},
663 	{0x0008, 0x8200},
664 	{0x0001, 0x8200},
665 	{0x000a, 0x8201},
666 	{0x0008, 0x8200},
667 	{0x0001, 0x8200},
668 	{0x000b, 0x8201},
669 	{0x0008, 0x8200},
670 	{0x0001, 0x8200},
671 	{0x000c, 0x8201},
672 	{0x0008, 0x8200},
673 	{0x0001, 0x8200},
674 	{0x000d, 0x8201},
675 	{0x0008, 0x8200},
676 	{0x0001, 0x8200},
677 	{0x000e, 0x8201},
678 	{0x0008, 0x8200},
679 	{0x0001, 0x8200},
680 	{0x0007, 0x8201},
681 	{0x0008, 0x8200},
682 	{0x0001, 0x8200},
683 	{0x000f, 0x8201},
684 	{0x0008, 0x8200},
685 	{0x0001, 0x8200},
686 
687 	{0x0018, 0x8660},
688 	{0x0010, 0x8201},
689 
690 	{0x0008, 0x8200},
691 	{0x0001, 0x8200},
692 	{0x0011, 0x8201},
693 	{0x0008, 0x8200},
694 	{0x0001, 0x8200},
695 
696 	{0x0000, 0x86b0},
697 	{0x0034, 0x86b1},
698 	{0x0000, 0x86b2},
699 	{0x0049, 0x86b3},
700 	{0x0000, 0x86b4},
701 	{0x0000, 0x86b4},
702 
703 	{0x0012, 0x8201},
704 	{0x0008, 0x8200},
705 	{0x0001, 0x8200},
706 	{0x0013, 0x8201},
707 	{0x0008, 0x8200},
708 	{0x0001, 0x8200},
709 
710 	{0x0001, 0x86b0},
711 	{0x00aa, 0x86b1},
712 	{0x0000, 0x86b2},
713 	{0x00e4, 0x86b3},
714 	{0x0000, 0x86b4},
715 	{0x0000, 0x86b4},
716 
717 	{0x0018, 0x8660},
718 
719 	{0x0090, 0x8110},
720 	{0x0001, 0x8114},
721 	{0x0001, 0x8114},
722 	{0x0001, 0x8114},
723 	{0x0003, 0x8114},
724 
725 	{0x0080, 0x8804},
726 	{0x0003, 0x8801},
727 	{0x0012, 0x8800},
728 	{0x0004, 0x8801},
729 	{0x0005, 0x8800},
730 	{0x0005, 0x8801},
731 	{0x0000, 0x8800},
732 	{0x0006, 0x8801},
733 	{0x0000, 0x8800},
734 	{0x0007, 0x8801},
735 	{0x0000, 0x8800},
736 	{0x0008, 0x8801},
737 	{0x0005, 0x8800},
738 	{0x000a, 0x8700},
739 	{0x000e, 0x8801},
740 	{0x0004, 0x8800},
741 	{0x0005, 0x8801},
742 	{0x0047, 0x8800},
743 	{0x0006, 0x8801},
744 	{0x0000, 0x8800},
745 	{0x0007, 0x8801},
746 	{0x00c0, 0x8800},
747 	{0x0008, 0x8801},
748 	{0x0003, 0x8800},
749 	{0x0013, 0x8801},
750 	{0x0001, 0x8800},
751 	{0x0009, 0x8801},
752 	{0x0000, 0x8800},
753 	{0x000a, 0x8801},
754 	{0x0000, 0x8800},
755 	{0x000b, 0x8801},
756 	{0x0000, 0x8800},
757 	{0x000c, 0x8801},
758 	{0x0000, 0x8800},
759 	{0x000e, 0x8801},
760 	{0x0004, 0x8800},
761 	{0x000f, 0x8801},
762 	{0x0000, 0x8800},
763 	{0x0010, 0x8801},
764 	{0x0006, 0x8800},
765 	{0x0011, 0x8801},
766 	{0x0006, 0x8800},
767 	{0x0012, 0x8801},
768 	{0x0000, 0x8800},
769 	{0x0013, 0x8801},
770 	{0x0001, 0x8800},
771 
772 	{0x000a, 0x8700},
773 	{0x0000, 0x8702},
774 	{0x0000, 0x8703},
775 	{0x00c2, 0x8704},
776 	{0x0001, 0x870c},
777 
778 	{0x0044, 0x8600},
779 	{0x0002, 0x8606},
780 	{0x0064, 0x8607},
781 	{0x003a, 0x8601},
782 	{0x0008, 0x8602},
783 	{0x0044, 0x8600},
784 	{0x0018, 0x8617},
785 	{0x0008, 0x8618},
786 	{0x00a1, 0x8656},
787 	{0x0004, 0x865b},
788 	{0x0002, 0x865c},
789 	{0x0058, 0x865d},
790 	{0x0048, 0x865e},
791 	{0x0012, 0x8608},
792 	{0x002c, 0x8609},
793 	{0x0002, 0x860a},
794 	{0x002c, 0x860b},
795 	{0x00db, 0x860c},
796 	{0x00f9, 0x860d},
797 	{0x00f1, 0x860e},
798 	{0x00e3, 0x860f},
799 	{0x002c, 0x8610},
800 	{0x006c, 0x8651},
801 	{0x0041, 0x8652},
802 	{0x0059, 0x8653},
803 	{0x0040, 0x8654},
804 	{0x00fa, 0x8611},
805 	{0x00ff, 0x8612},
806 	{0x00f8, 0x8613},
807 	{0x0000, 0x8614},
808 	{0x0001, 0x863f},
809 	{0x0000, 0x8640},
810 	{0x0026, 0x8641},
811 	{0x0045, 0x8642},
812 	{0x0060, 0x8643},
813 	{0x0075, 0x8644},
814 	{0x0088, 0x8645},
815 	{0x009b, 0x8646},
816 	{0x00b0, 0x8647},
817 	{0x00c5, 0x8648},
818 	{0x00d2, 0x8649},
819 	{0x00dc, 0x864a},
820 	{0x00e5, 0x864b},
821 	{0x00eb, 0x864c},
822 	{0x00f0, 0x864d},
823 	{0x00f6, 0x864e},
824 	{0x00fa, 0x864f},
825 	{0x00ff, 0x8650},
826 	{0x0060, 0x8657},
827 	{0x0010, 0x8658},
828 	{0x0018, 0x8659},
829 	{0x0005, 0x865a},
830 	{0x0018, 0x8660},
831 	{0x0003, 0x8509},
832 	{0x0011, 0x850a},
833 	{0x0032, 0x850b},
834 	{0x0010, 0x850c},
835 	{0x0021, 0x850d},
836 	{0x0001, 0x8500},
837 	{0x0000, 0x8508},
838 	{0x0012, 0x8608},
839 	{0x002c, 0x8609},
840 	{0x0002, 0x860a},
841 	{0x0039, 0x860b},
842 	{0x00d0, 0x860c},
843 	{0x00f7, 0x860d},
844 	{0x00ed, 0x860e},
845 	{0x00db, 0x860f},
846 	{0x0039, 0x8610},
847 	{0x0012, 0x8657},
848 	{0x000c, 0x8619},
849 	{0x0004, 0x861a},
850 	{0x00a1, 0x8656},
851 	{0x00c8, 0x8615},
852 	{0x0032, 0x8616},
853 
854 	{0x0030, 0x8112},
855 	{0x0020, 0x8112},
856 	{0x0020, 0x8112},
857 	{0x000f, 0x8402},
858 	{0x0000, 0x8403},
859 
860 	{0x0090, 0x8110},
861 	{0x0001, 0x8114},
862 	{0x0001, 0x8114},
863 	{0x0001, 0x8114},
864 	{0x0003, 0x8114},
865 	{0x0080, 0x8804},
866 
867 	{0x0003, 0x8801},
868 	{0x0012, 0x8800},
869 	{0x0004, 0x8801},
870 	{0x0005, 0x8800},
871 	{0x0005, 0x8801},
872 	{0x0047, 0x8800},
873 	{0x0006, 0x8801},
874 	{0x0000, 0x8800},
875 	{0x0007, 0x8801},
876 	{0x00c0, 0x8800},
877 	{0x0008, 0x8801},
878 	{0x0003, 0x8800},
879 	{0x000a, 0x8700},
880 	{0x000e, 0x8801},
881 	{0x0004, 0x8800},
882 	{0x0005, 0x8801},
883 	{0x0047, 0x8800},
884 	{0x0006, 0x8801},
885 	{0x0000, 0x8800},
886 	{0x0007, 0x8801},
887 	{0x00c0, 0x8800},
888 	{0x0008, 0x8801},
889 	{0x0003, 0x8800},
890 	{0x0013, 0x8801},
891 	{0x0001, 0x8800},
892 	{0x0009, 0x8801},
893 	{0x0000, 0x8800},
894 	{0x000a, 0x8801},
895 	{0x0000, 0x8800},
896 	{0x000b, 0x8801},
897 	{0x0000, 0x8800},
898 	{0x000c, 0x8801},
899 	{0x0000, 0x8800},
900 	{0x000e, 0x8801},
901 	{0x0004, 0x8800},
902 	{0x000f, 0x8801},
903 	{0x0000, 0x8800},
904 	{0x0010, 0x8801},
905 	{0x0006, 0x8800},
906 	{0x0011, 0x8801},
907 	{0x0006, 0x8800},
908 	{0x0012, 0x8801},
909 	{0x0000, 0x8800},
910 	{0x0013, 0x8801},
911 	{0x0001, 0x8800},
912 	{0x000a, 0x8700},
913 	{0x0000, 0x8702},
914 	{0x0000, 0x8703},
915 	{0x00c2, 0x8704},
916 	{0x0001, 0x870c},
917 	{0x0044, 0x8600},
918 	{0x0002, 0x8606},
919 	{0x0064, 0x8607},
920 	{0x003a, 0x8601},
921 	{0x0008, 0x8602},
922 	{0x0044, 0x8600},
923 	{0x0018, 0x8617},
924 	{0x0008, 0x8618},
925 	{0x00a1, 0x8656},
926 	{0x0004, 0x865b},
927 	{0x0002, 0x865c},
928 	{0x0058, 0x865d},
929 	{0x0048, 0x865e},
930 	{0x0012, 0x8608},
931 	{0x002c, 0x8609},
932 	{0x0002, 0x860a},
933 	{0x002c, 0x860b},
934 	{0x00db, 0x860c},
935 	{0x00f9, 0x860d},
936 	{0x00f1, 0x860e},
937 	{0x00e3, 0x860f},
938 	{0x002c, 0x8610},
939 	{0x006c, 0x8651},
940 	{0x0041, 0x8652},
941 	{0x0059, 0x8653},
942 	{0x0040, 0x8654},
943 	{0x00fa, 0x8611},
944 	{0x00ff, 0x8612},
945 	{0x00f8, 0x8613},
946 	{0x0000, 0x8614},
947 	{0x0001, 0x863f},
948 	{0x0000, 0x8640},
949 	{0x0026, 0x8641},
950 	{0x0045, 0x8642},
951 	{0x0060, 0x8643},
952 	{0x0075, 0x8644},
953 	{0x0088, 0x8645},
954 	{0x009b, 0x8646},
955 	{0x00b0, 0x8647},
956 	{0x00c5, 0x8648},
957 	{0x00d2, 0x8649},
958 	{0x00dc, 0x864a},
959 	{0x00e5, 0x864b},
960 	{0x00eb, 0x864c},
961 	{0x00f0, 0x864d},
962 	{0x00f6, 0x864e},
963 	{0x00fa, 0x864f},
964 	{0x00ff, 0x8650},
965 	{0x0060, 0x8657},
966 	{0x0010, 0x8658},
967 	{0x0018, 0x8659},
968 	{0x0005, 0x865a},
969 	{0x0018, 0x8660},
970 	{0x0003, 0x8509},
971 	{0x0011, 0x850a},
972 	{0x0032, 0x850b},
973 	{0x0010, 0x850c},
974 	{0x0021, 0x850d},
975 	{0x0001, 0x8500},
976 	{0x0000, 0x8508},
977 
978 	{0x0012, 0x8608},
979 	{0x002c, 0x8609},
980 	{0x0002, 0x860a},
981 	{0x0039, 0x860b},
982 	{0x00d0, 0x860c},
983 	{0x00f7, 0x860d},
984 	{0x00ed, 0x860e},
985 	{0x00db, 0x860f},
986 	{0x0039, 0x8610},
987 	{0x0012, 0x8657},
988 	{0x0064, 0x8619},
989 
990 /* This line starts it all, it is not needed here */
991 /* since it has been build into the driver */
992 /* jfm: don't start now */
993 /*	{0x0030, 0x8112}, */
994 	{}
995 };
996 
997 /*
998  * Initialization data for Creative Webcam Vista
999  */
1000 static const u16 spca508_vista_init_data[][2] = {
1001 	{0x0008, 0x8200},	/* Clear register */
1002 	{0x0000, 0x870b},	/* Reset CTL3 */
1003 	{0x0020, 0x8112},	/* Video Drop packet enable */
1004 	{0x0003, 0x8111},	/* Soft Reset compression, memory, TG & CDSP */
1005 	{0x0000, 0x8110},	/* Disable everything */
1006 	{0x0000, 0x8114},	/* Software GPIO output data */
1007 	{0x0000, 0x8114},
1008 
1009 	{0x0003, 0x8111},
1010 	{0x0000, 0x8111},
1011 	{0x0090, 0x8110},    /* Enable: SSI output, External 2X clock output */
1012 	{0x0020, 0x8112},
1013 	{0x0000, 0x8114},
1014 	{0x0001, 0x8114},
1015 	{0x0001, 0x8114},
1016 	{0x0001, 0x8114},
1017 	{0x0003, 0x8114},
1018 
1019 	{0x000f, 0x8402},	/* Memory bank Address */
1020 	{0x0000, 0x8403},	/* Memory bank Address */
1021 	{0x00ba, 0x8804},	/* SSI Slave address */
1022 	{0x0010, 0x8802},	/* 93.75kHz SSI Clock Two DataByte */
1023 
1024 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1025 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1026 	{0x0010, 0x8802},	/* Will write 2 bytes (DATA1+DATA2) */
1027 	{0x0020, 0x8801},	/* Register address for SSI read/write */
1028 	{0x0044, 0x8805},	/* DATA2 */
1029 	{0x0004, 0x8800},	/* DATA1 -> write triggered */
1030 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1031 
1032 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1033 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1034 	{0x0010, 0x8802},
1035 	{0x0009, 0x8801},
1036 	{0x0042, 0x8805},
1037 	{0x0001, 0x8800},
1038 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1039 
1040 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1041 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1042 	{0x0010, 0x8802},
1043 	{0x003c, 0x8801},
1044 	{0x0001, 0x8805},
1045 	{0x0000, 0x8800},
1046 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1047 
1048 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1049 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1050 	{0x0010, 0x8802},
1051 	{0x0001, 0x8801},
1052 	{0x000a, 0x8805},
1053 	{0x0000, 0x8800},
1054 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1055 
1056 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1057 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1058 	{0x0010, 0x8802},
1059 	{0x0002, 0x8801},
1060 	{0x0000, 0x8805},
1061 	{0x0000, 0x8800},
1062 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1063 
1064 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1065 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1066 	{0x0010, 0x8802},
1067 	{0x0003, 0x8801},
1068 	{0x0027, 0x8805},
1069 	{0x0001, 0x8800},
1070 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1071 
1072 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1073 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1074 	{0x0010, 0x8802},
1075 	{0x0004, 0x8801},
1076 	{0x0065, 0x8805},
1077 	{0x0001, 0x8800},
1078 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1079 
1080 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1081 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1082 	{0x0010, 0x8802},
1083 	{0x0005, 0x8801},
1084 	{0x0003, 0x8805},
1085 	{0x0000, 0x8800},
1086 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1087 
1088 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1089 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1090 	{0x0010, 0x8802},
1091 	{0x0006, 0x8801},
1092 	{0x001c, 0x8805},
1093 	{0x0000, 0x8800},
1094 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1095 
1096 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1097 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1098 	{0x0010, 0x8802},
1099 	{0x0007, 0x8801},
1100 	{0x002a, 0x8805},
1101 	{0x0000, 0x8800},
1102 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1103 
1104 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1105 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1106 	{0x0010, 0x8802},
1107 	{0x000e, 0x8801},
1108 	{0x0000, 0x8805},
1109 	{0x0000, 0x8800},
1110 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1111 
1112 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1113 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1114 	{0x0010, 0x8802},
1115 	{0x0028, 0x8801},
1116 	{0x002e, 0x8805},
1117 	{0x0000, 0x8800},
1118 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1119 
1120 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1121 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1122 	{0x0010, 0x8802},
1123 	{0x0039, 0x8801},
1124 	{0x0013, 0x8805},
1125 	{0x0000, 0x8800},
1126 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1127 
1128 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1129 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1130 	{0x0010, 0x8802},
1131 	{0x003b, 0x8801},
1132 	{0x000c, 0x8805},
1133 	{0x0000, 0x8800},
1134 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1135 
1136 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1137 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1138 	{0x0010, 0x8802},
1139 	{0x0035, 0x8801},
1140 	{0x0028, 0x8805},
1141 	{0x0000, 0x8800},
1142 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1143 
1144 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1145 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1146 	{0x0010, 0x8802},
1147 	{0x0009, 0x8801},
1148 	{0x0042, 0x8805},
1149 	{0x0001, 0x8800},
1150 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1151 
1152 	{0x0050, 0x8703},
1153 	{0x0002, 0x8704},	/* External input CKIx1 */
1154 	{0x0001, 0x870c},	/* Select CKOx2 output */
1155 	{0x009a, 0x8600},	/* Line memory Read Counter (L) */
1156 	{0x0001, 0x8606},    /* 1 Line memory Read Counter (H) Result: (d)410 */
1157 	{0x0023, 0x8601},
1158 	{0x0010, 0x8602},
1159 	{0x000a, 0x8603},
1160 	{0x009a, 0x8600},
1161 	{0x0001, 0x865b},	/* 1 Horizontal Offset for Valid Pixel(L) */
1162 	{0x0003, 0x865c},	/* Vertical offset for valid lines (L) */
1163 	{0x0058, 0x865d},	/* Horizontal valid pixels window (L) */
1164 	{0x0048, 0x865e},	/* Vertical valid lines window (L) */
1165 	{0x0000, 0x865f},
1166 
1167 	{0x0006, 0x8660},
1168 		    /* Enable nibble data input, select nibble input order */
1169 
1170 	{0x0013, 0x8608},	/* A11 Coeficients for color correction */
1171 	{0x0028, 0x8609},
1172 		    /* Note: these values are confirmed at the end of array */
1173 	{0x0005, 0x860a},	/* ... */
1174 	{0x0025, 0x860b},
1175 	{0x00e1, 0x860c},
1176 	{0x00fa, 0x860d},
1177 	{0x00f4, 0x860e},
1178 	{0x00e8, 0x860f},
1179 	{0x0025, 0x8610},	/* A33 Coef. */
1180 	{0x00fc, 0x8611},	/* White balance offset: R */
1181 	{0x0001, 0x8612},	/* White balance offset: Gr */
1182 	{0x00fe, 0x8613},	/* White balance offset: B */
1183 	{0x0000, 0x8614},	/* White balance offset: Gb */
1184 
1185 	{0x0064, 0x8651},	/* R gain for white balance (L) */
1186 	{0x0040, 0x8652},	/* Gr gain for white balance (L) */
1187 	{0x0066, 0x8653},	/* B gain for white balance (L) */
1188 	{0x0040, 0x8654},	/* Gb gain for white balance (L) */
1189 	{0x0001, 0x863f},	/* Enable fixed gamma correction */
1190 
1191 	{0x00a1, 0x8656},	/* Size - Window1: 256x256, Window2: 128x128,
1192 				 * UV division: UV no change,
1193 				 * Enable New edge enhancement */
1194 	{0x0018, 0x8657},	/* Edge gain high threshold */
1195 	{0x0020, 0x8658},	/* Edge gain low threshold */
1196 	{0x000a, 0x8659},	/* Edge bandwidth high threshold */
1197 	{0x0005, 0x865a},	/* Edge bandwidth low threshold */
1198 	{0x0064, 0x8607},	/* UV filter enable */
1199 
1200 	{0x0016, 0x8660},
1201 	{0x0000, 0x86b0},	/* Bad pixels compensation address */
1202 	{0x00dc, 0x86b1},	/* X coord for bad pixels compensation (L) */
1203 	{0x0000, 0x86b2},
1204 	{0x0009, 0x86b3},	/* Y coord for bad pixels compensation (L) */
1205 	{0x0000, 0x86b4},
1206 
1207 	{0x0001, 0x86b0},
1208 	{0x00f5, 0x86b1},
1209 	{0x0000, 0x86b2},
1210 	{0x00c6, 0x86b3},
1211 	{0x0000, 0x86b4},
1212 
1213 	{0x0002, 0x86b0},
1214 	{0x001c, 0x86b1},
1215 	{0x0001, 0x86b2},
1216 	{0x00d7, 0x86b3},
1217 	{0x0000, 0x86b4},
1218 
1219 	{0x0003, 0x86b0},
1220 	{0x001c, 0x86b1},
1221 	{0x0001, 0x86b2},
1222 	{0x00d8, 0x86b3},
1223 	{0x0000, 0x86b4},
1224 
1225 	{0x0004, 0x86b0},
1226 	{0x001d, 0x86b1},
1227 	{0x0001, 0x86b2},
1228 	{0x00d8, 0x86b3},
1229 	{0x0000, 0x86b4},
1230 	{0x001e, 0x8660},
1231 
1232 	/* READ { 0x0000, 0x8608 } -> 0000: 13  */
1233 	/* READ { 0x0000, 0x8609 } -> 0000: 28  */
1234 	/* READ { 0x0000, 0x8610 } -> 0000: 05  */
1235 	/* READ { 0x0000, 0x8611 } -> 0000: 25  */
1236 	/* READ { 0x0000, 0x8612 } -> 0000: e1  */
1237 	/* READ { 0x0000, 0x8613 } -> 0000: fa  */
1238 	/* READ { 0x0000, 0x8614 } -> 0000: f4  */
1239 	/* READ { 0x0000, 0x8615 } -> 0000: e8  */
1240 	/* READ { 0x0000, 0x8616 } -> 0000: 25  */
1241 	{}
1242 };
1243 
1244 static int reg_write(struct gspca_dev *gspca_dev, u16 index, u16 value)
1245 {
1246 	int ret;
1247 	struct usb_device *dev = gspca_dev->dev;
1248 
1249 	ret = usb_control_msg(dev,
1250 			usb_sndctrlpipe(dev, 0),
1251 			0,		/* request */
1252 			USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1253 			value, index, NULL, 0, 500);
1254 	PDEBUG(D_USBO, "reg write i:0x%04x = 0x%02x",
1255 		index, value);
1256 	if (ret < 0)
1257 		pr_err("reg write: error %d\n", ret);
1258 	return ret;
1259 }
1260 
1261 /* read 1 byte */
1262 /* returns: negative is error, pos or zero is data */
1263 static int reg_read(struct gspca_dev *gspca_dev,
1264 			u16 index)	/* wIndex */
1265 {
1266 	int ret;
1267 
1268 	ret = usb_control_msg(gspca_dev->dev,
1269 			usb_rcvctrlpipe(gspca_dev->dev, 0),
1270 			0,			/* register */
1271 			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1272 			0,		/* value */
1273 			index,
1274 			gspca_dev->usb_buf, 1,
1275 			500);			/* timeout */
1276 	PDEBUG(D_USBI, "reg read i:%04x --> %02x",
1277 		index, gspca_dev->usb_buf[0]);
1278 	if (ret < 0) {
1279 		pr_err("reg_read err %d\n", ret);
1280 		return ret;
1281 	}
1282 	return gspca_dev->usb_buf[0];
1283 }
1284 
1285 /* send 1 or 2 bytes to the sensor via the Synchronous Serial Interface */
1286 static int ssi_w(struct gspca_dev *gspca_dev,
1287 		u16 reg, u16 val)
1288 {
1289 	int ret, retry;
1290 
1291 	ret = reg_write(gspca_dev, 0x8802, reg >> 8);
1292 	if (ret < 0)
1293 		goto out;
1294 	ret = reg_write(gspca_dev, 0x8801, reg & 0x00ff);
1295 	if (ret < 0)
1296 		goto out;
1297 	if ((reg & 0xff00) == 0x1000) {		/* if 2 bytes */
1298 		ret = reg_write(gspca_dev, 0x8805, val & 0x00ff);
1299 		if (ret < 0)
1300 			goto out;
1301 		val >>= 8;
1302 	}
1303 	ret = reg_write(gspca_dev, 0x8800, val);
1304 	if (ret < 0)
1305 		goto out;
1306 
1307 	/* poll until not busy */
1308 	retry = 10;
1309 	for (;;) {
1310 		ret = reg_read(gspca_dev, 0x8803);
1311 		if (ret < 0)
1312 			break;
1313 		if (gspca_dev->usb_buf[0] == 0)
1314 			break;
1315 		if (--retry <= 0) {
1316 			PERR("ssi_w busy %02x", gspca_dev->usb_buf[0]);
1317 			ret = -1;
1318 			break;
1319 		}
1320 		msleep(8);
1321 	}
1322 
1323 out:
1324 	return ret;
1325 }
1326 
1327 static int write_vector(struct gspca_dev *gspca_dev,
1328 			const u16 (*data)[2])
1329 {
1330 	int ret = 0;
1331 
1332 	while ((*data)[1] != 0) {
1333 		if ((*data)[1] & 0x8000) {
1334 			if ((*data)[1] == 0xdd00)	/* delay */
1335 				msleep((*data)[0]);
1336 			else
1337 				ret = reg_write(gspca_dev, (*data)[1],
1338 								(*data)[0]);
1339 		} else {
1340 			ret = ssi_w(gspca_dev, (*data)[1], (*data)[0]);
1341 		}
1342 		if (ret < 0)
1343 			break;
1344 		data++;
1345 	}
1346 	return ret;
1347 }
1348 
1349 /* this function is called at probe time */
1350 static int sd_config(struct gspca_dev *gspca_dev,
1351 			const struct usb_device_id *id)
1352 {
1353 	struct sd *sd = (struct sd *) gspca_dev;
1354 	struct cam *cam;
1355 	const u16 (*init_data)[2];
1356 	static const u16 (*(init_data_tb[]))[2] = {
1357 		spca508_vista_init_data,	/* CreativeVista 0 */
1358 		spca508_sightcam_init_data,	/* HamaUSBSightcam 1 */
1359 		spca508_sightcam2_init_data,	/* HamaUSBSightcam2 2 */
1360 		spca508cs110_init_data,		/* IntelEasyPCCamera 3 */
1361 		spca508cs110_init_data,		/* MicroInnovationIC200 4 */
1362 		spca508_init_data,		/* ViewQuestVQ110 5 */
1363 	};
1364 	int data1, data2;
1365 
1366 	/* Read from global register the USB product and vendor IDs, just to
1367 	 * prove that we can communicate with the device.  This works, which
1368 	 * confirms at we are communicating properly and that the device
1369 	 * is a 508. */
1370 	data1 = reg_read(gspca_dev, 0x8104);
1371 	data2 = reg_read(gspca_dev, 0x8105);
1372 	PDEBUG(D_PROBE, "Webcam Vendor ID: 0x%02x%02x", data2, data1);
1373 
1374 	data1 = reg_read(gspca_dev, 0x8106);
1375 	data2 = reg_read(gspca_dev, 0x8107);
1376 	PDEBUG(D_PROBE, "Webcam Product ID: 0x%02x%02x", data2, data1);
1377 
1378 	data1 = reg_read(gspca_dev, 0x8621);
1379 	PDEBUG(D_PROBE, "Window 1 average luminance: %d", data1);
1380 
1381 	cam = &gspca_dev->cam;
1382 	cam->cam_mode = sif_mode;
1383 	cam->nmodes = ARRAY_SIZE(sif_mode);
1384 
1385 	sd->subtype = id->driver_info;
1386 
1387 	init_data = init_data_tb[sd->subtype];
1388 	return write_vector(gspca_dev, init_data);
1389 }
1390 
1391 /* this function is called at probe and resume time */
1392 static int sd_init(struct gspca_dev *gspca_dev)
1393 {
1394 	return 0;
1395 }
1396 
1397 static int sd_start(struct gspca_dev *gspca_dev)
1398 {
1399 	int mode;
1400 
1401 	mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
1402 	reg_write(gspca_dev, 0x8500, mode);
1403 	switch (mode) {
1404 	case 0:
1405 	case 1:
1406 		reg_write(gspca_dev, 0x8700, 0x28); /* clock */
1407 		break;
1408 	default:
1409 /*	case 2: */
1410 /*	case 3: */
1411 		reg_write(gspca_dev, 0x8700, 0x23); /* clock */
1412 		break;
1413 	}
1414 	reg_write(gspca_dev, 0x8112, 0x10 | 0x20);
1415 	return 0;
1416 }
1417 
1418 static void sd_stopN(struct gspca_dev *gspca_dev)
1419 {
1420 	/* Video ISO disable, Video Drop Packet enable: */
1421 	reg_write(gspca_dev, 0x8112, 0x20);
1422 }
1423 
1424 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
1425 			u8 *data,			/* isoc packet */
1426 			int len)			/* iso packet length */
1427 {
1428 	switch (data[0]) {
1429 	case 0:				/* start of frame */
1430 		gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
1431 		data += SPCA508_OFFSET_DATA;
1432 		len -= SPCA508_OFFSET_DATA;
1433 		gspca_frame_add(gspca_dev, FIRST_PACKET, data, len);
1434 		break;
1435 	case 0xff:			/* drop */
1436 		break;
1437 	default:
1438 		data += 1;
1439 		len -= 1;
1440 		gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
1441 		break;
1442 	}
1443 }
1444 
1445 static void setbrightness(struct gspca_dev *gspca_dev, s32 brightness)
1446 {
1447 	/* MX seem contrast */
1448 	reg_write(gspca_dev, 0x8651, brightness);
1449 	reg_write(gspca_dev, 0x8652, brightness);
1450 	reg_write(gspca_dev, 0x8653, brightness);
1451 	reg_write(gspca_dev, 0x8654, brightness);
1452 }
1453 
1454 static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
1455 {
1456 	struct gspca_dev *gspca_dev =
1457 		container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
1458 
1459 	gspca_dev->usb_err = 0;
1460 
1461 	if (!gspca_dev->streaming)
1462 		return 0;
1463 
1464 	switch (ctrl->id) {
1465 	case V4L2_CID_BRIGHTNESS:
1466 		setbrightness(gspca_dev, ctrl->val);
1467 		break;
1468 	}
1469 	return gspca_dev->usb_err;
1470 }
1471 
1472 static const struct v4l2_ctrl_ops sd_ctrl_ops = {
1473 	.s_ctrl = sd_s_ctrl,
1474 };
1475 
1476 static int sd_init_controls(struct gspca_dev *gspca_dev)
1477 {
1478 	struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
1479 
1480 	gspca_dev->vdev.ctrl_handler = hdl;
1481 	v4l2_ctrl_handler_init(hdl, 5);
1482 	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1483 			V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1484 
1485 	if (hdl->error) {
1486 		pr_err("Could not initialize controls\n");
1487 		return hdl->error;
1488 	}
1489 	return 0;
1490 }
1491 
1492 /* sub-driver description */
1493 static const struct sd_desc sd_desc = {
1494 	.name = MODULE_NAME,
1495 	.config = sd_config,
1496 	.init = sd_init,
1497 	.init_controls = sd_init_controls,
1498 	.start = sd_start,
1499 	.stopN = sd_stopN,
1500 	.pkt_scan = sd_pkt_scan,
1501 };
1502 
1503 /* -- module initialisation -- */
1504 static const struct usb_device_id device_table[] = {
1505 	{USB_DEVICE(0x0130, 0x0130), .driver_info = HamaUSBSightcam},
1506 	{USB_DEVICE(0x041e, 0x4018), .driver_info = CreativeVista},
1507 	{USB_DEVICE(0x0733, 0x0110), .driver_info = ViewQuestVQ110},
1508 	{USB_DEVICE(0x0af9, 0x0010), .driver_info = HamaUSBSightcam},
1509 	{USB_DEVICE(0x0af9, 0x0011), .driver_info = HamaUSBSightcam2},
1510 	{USB_DEVICE(0x8086, 0x0110), .driver_info = IntelEasyPCCamera},
1511 	{}
1512 };
1513 MODULE_DEVICE_TABLE(usb, device_table);
1514 
1515 /* -- device connect -- */
1516 static int sd_probe(struct usb_interface *intf,
1517 			const struct usb_device_id *id)
1518 {
1519 	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1520 				THIS_MODULE);
1521 }
1522 
1523 static struct usb_driver sd_driver = {
1524 	.name = MODULE_NAME,
1525 	.id_table = device_table,
1526 	.probe = sd_probe,
1527 	.disconnect = gspca_disconnect,
1528 #ifdef CONFIG_PM
1529 	.suspend = gspca_suspend,
1530 	.resume = gspca_resume,
1531 	.reset_resume = gspca_resume,
1532 #endif
1533 };
1534 
1535 module_usb_driver(sd_driver);
1536