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 brightness;
36 
37 	u8 subtype;
38 #define CreativeVista 0
39 #define HamaUSBSightcam 1
40 #define HamaUSBSightcam2 2
41 #define IntelEasyPCCamera 3
42 #define MicroInnovationIC200 4
43 #define ViewQuestVQ110 5
44 };
45 
46 /* V4L2 controls supported by the driver */
47 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
48 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
49 
50 static const struct ctrl sd_ctrls[] = {
51 	{
52 	    {
53 		.id      = V4L2_CID_BRIGHTNESS,
54 		.type    = V4L2_CTRL_TYPE_INTEGER,
55 		.name    = "Brightness",
56 		.minimum = 0,
57 		.maximum = 255,
58 		.step    = 1,
59 #define BRIGHTNESS_DEF 128
60 		.default_value = BRIGHTNESS_DEF,
61 	    },
62 	    .set = sd_setbrightness,
63 	    .get = sd_getbrightness,
64 	},
65 };
66 
67 static const struct v4l2_pix_format sif_mode[] = {
68 	{160, 120, V4L2_PIX_FMT_SPCA508, V4L2_FIELD_NONE,
69 		.bytesperline = 160,
70 		.sizeimage = 160 * 120 * 3 / 2,
71 		.colorspace = V4L2_COLORSPACE_SRGB,
72 		.priv = 3},
73 	{176, 144, V4L2_PIX_FMT_SPCA508, V4L2_FIELD_NONE,
74 		.bytesperline = 176,
75 		.sizeimage = 176 * 144 * 3 / 2,
76 		.colorspace = V4L2_COLORSPACE_SRGB,
77 		.priv = 2},
78 	{320, 240, V4L2_PIX_FMT_SPCA508, V4L2_FIELD_NONE,
79 		.bytesperline = 320,
80 		.sizeimage = 320 * 240 * 3 / 2,
81 		.colorspace = V4L2_COLORSPACE_SRGB,
82 		.priv = 1},
83 	{352, 288, V4L2_PIX_FMT_SPCA508, V4L2_FIELD_NONE,
84 		.bytesperline = 352,
85 		.sizeimage = 352 * 288 * 3 / 2,
86 		.colorspace = V4L2_COLORSPACE_SRGB,
87 		.priv = 0},
88 };
89 
90 /* Frame packet header offsets for the spca508 */
91 #define SPCA508_OFFSET_DATA 37
92 
93 /*
94  * Initialization data: this is the first set-up data written to the
95  * device (before the open data).
96  */
97 static const u16 spca508_init_data[][2] = {
98 	{0x0000, 0x870b},
99 
100 	{0x0020, 0x8112},	/* Video drop enable, ISO streaming disable */
101 	{0x0003, 0x8111},	/* Reset compression & memory */
102 	{0x0000, 0x8110},	/* Disable all outputs */
103 	/* READ {0x0000, 0x8114} -> 0000: 00  */
104 	{0x0000, 0x8114},	/* SW GPIO data */
105 	{0x0008, 0x8110},	/* Enable charge pump output */
106 	{0x0002, 0x8116},	/* 200 kHz pump clock */
107 	/* UNKNOWN DIRECTION (URB_FUNCTION_SELECT_INTERFACE:) */
108 	{0x0003, 0x8111},	/* Reset compression & memory */
109 	{0x0000, 0x8111},	/* Normal mode (not reset) */
110 	{0x0098, 0x8110},
111 		/* Enable charge pump output, sync.serial,external 2x clock */
112 	{0x000d, 0x8114},	/* SW GPIO data */
113 	{0x0002, 0x8116},	/* 200 kHz pump clock */
114 	{0x0020, 0x8112},	/* Video drop enable, ISO streaming disable */
115 /* --------------------------------------- */
116 	{0x000f, 0x8402},	/* memory bank */
117 	{0x0000, 0x8403},	/* ... address */
118 /* --------------------------------------- */
119 /* 0x88__ is Synchronous Serial Interface. */
120 /* TBD: This table could be expressed more compactly */
121 /* using spca508_write_i2c_vector(). */
122 /* TBD: Should see if the values in spca50x_i2c_data */
123 /* would work with the VQ110 instead of the values */
124 /* below. */
125 	{0x00c0, 0x8804},	/* SSI slave addr */
126 	{0x0008, 0x8802},	/* 375 Khz SSI clock */
127 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
128 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
129 	{0x0008, 0x8802},	/* 375 Khz SSI clock */
130 	{0x0012, 0x8801},	/* SSI reg addr */
131 	{0x0080, 0x8800},	/* SSI data to write */
132 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
133 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
134 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
135 	{0x0008, 0x8802},	/* 375 Khz SSI clock */
136 	{0x0012, 0x8801},	/* SSI reg addr */
137 	{0x0000, 0x8800},	/* SSI data to write */
138 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
139 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
140 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
141 	{0x0008, 0x8802},	/* 375 Khz SSI clock */
142 	{0x0011, 0x8801},	/* SSI reg addr */
143 	{0x0040, 0x8800},	/* SSI data to write */
144 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
145 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
146 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
147 	{0x0008, 0x8802},
148 	{0x0013, 0x8801},
149 	{0x0000, 0x8800},
150 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
151 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
152 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
153 	{0x0008, 0x8802},
154 	{0x0014, 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 	{0x0015, 0x8801},
161 	{0x0001, 0x8800},
162 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
163 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
164 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
165 	{0x0008, 0x8802},
166 	{0x0016, 0x8801},
167 	{0x0003, 0x8800},
168 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
169 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
170 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
171 	{0x0008, 0x8802},
172 	{0x0017, 0x8801},
173 	{0x0036, 0x8800},
174 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
175 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
176 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
177 	{0x0008, 0x8802},
178 	{0x0018, 0x8801},
179 	{0x00ec, 0x8800},
180 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
181 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
182 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
183 	{0x0008, 0x8802},
184 	{0x001a, 0x8801},
185 	{0x0094, 0x8800},
186 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
187 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
188 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
189 	{0x0008, 0x8802},
190 	{0x001b, 0x8801},
191 	{0x0000, 0x8800},
192 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
193 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
194 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
195 	{0x0008, 0x8802},
196 	{0x0027, 0x8801},
197 	{0x00a2, 0x8800},
198 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
199 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
200 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
201 	{0x0008, 0x8802},
202 	{0x0028, 0x8801},
203 	{0x0040, 0x8800},
204 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
205 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
206 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
207 	{0x0008, 0x8802},
208 	{0x002a, 0x8801},
209 	{0x0084, 0x8800},
210 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
211 	/* READ { 0x0001, 0x8803 } -> 0000: 00 */
212 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
213 	{0x0008, 0x8802},
214 	{0x002b, 0x8801},
215 	{0x00a8, 0x8800},
216 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
217 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
218 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
219 	{0x0008, 0x8802},
220 	{0x002c, 0x8801},
221 	{0x00fe, 0x8800},
222 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
223 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
224 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
225 	{0x0008, 0x8802},
226 	{0x002d, 0x8801},
227 	{0x0003, 0x8800},
228 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
229 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
230 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
231 	{0x0008, 0x8802},
232 	{0x0038, 0x8801},
233 	{0x0083, 0x8800},
234 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
235 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
236 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
237 	{0x0008, 0x8802},
238 	{0x0033, 0x8801},
239 	{0x0081, 0x8800},
240 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
241 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
242 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
243 	{0x0008, 0x8802},
244 	{0x0034, 0x8801},
245 	{0x004a, 0x8800},
246 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
247 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
248 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
249 	{0x0008, 0x8802},
250 	{0x0039, 0x8801},
251 	{0x0000, 0x8800},
252 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
253 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
254 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
255 	{0x0008, 0x8802},
256 	{0x0010, 0x8801},
257 	{0x00a8, 0x8800},
258 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
259 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
260 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
261 	{0x0008, 0x8802},
262 	{0x0006, 0x8801},
263 	{0x0058, 0x8800},
264 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
265 	/* READ { 0x0001, 0x8803 } -> 0000: 00 */
266 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
267 	{0x0008, 0x8802},
268 	{0x0000, 0x8801},
269 	{0x0004, 0x8800},
270 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
271 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
272 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
273 	{0x0008, 0x8802},
274 	{0x0040, 0x8801},
275 	{0x0080, 0x8800},
276 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
277 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
278 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
279 	{0x0008, 0x8802},
280 	{0x0041, 0x8801},
281 	{0x000c, 0x8800},
282 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
283 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
284 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
285 	{0x0008, 0x8802},
286 	{0x0042, 0x8801},
287 	{0x000c, 0x8800},
288 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
289 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
290 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
291 	{0x0008, 0x8802},
292 	{0x0043, 0x8801},
293 	{0x0028, 0x8800},
294 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
295 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
296 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
297 	{0x0008, 0x8802},
298 	{0x0044, 0x8801},
299 	{0x0080, 0x8800},
300 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
301 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
302 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
303 	{0x0008, 0x8802},
304 	{0x0045, 0x8801},
305 	{0x0020, 0x8800},
306 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
307 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
308 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
309 	{0x0008, 0x8802},
310 	{0x0046, 0x8801},
311 	{0x0020, 0x8800},
312 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
313 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
314 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
315 	{0x0008, 0x8802},
316 	{0x0047, 0x8801},
317 	{0x0080, 0x8800},
318 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
319 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
320 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
321 	{0x0008, 0x8802},
322 	{0x0048, 0x8801},
323 	{0x004c, 0x8800},
324 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
325 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
326 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
327 	{0x0008, 0x8802},
328 	{0x0049, 0x8801},
329 	{0x0084, 0x8800},
330 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
331 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
332 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
333 	{0x0008, 0x8802},
334 	{0x004a, 0x8801},
335 	{0x0084, 0x8800},
336 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
337 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
338 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
339 	{0x0008, 0x8802},
340 	{0x004b, 0x8801},
341 	{0x0084, 0x8800},
342 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
343 	/* --------------------------------------- */
344 	{0x0012, 0x8700},	/* Clock speed 48Mhz/(2+2)/2= 6 Mhz */
345 	{0x0000, 0x8701},	/* CKx1 clock delay adj */
346 	{0x0000, 0x8701},	/* CKx1 clock delay adj */
347 	{0x0001, 0x870c},	/* CKOx2 output */
348 	/* --------------------------------------- */
349 	{0x0080, 0x8600},	/* Line memory read counter (L) */
350 	{0x0001, 0x8606},	/* reserved */
351 	{0x0064, 0x8607},	/* Line memory read counter (H) 0x6480=25,728 */
352 	{0x002a, 0x8601},	/* CDSP sharp interpolation mode,
353 	 *			line sel for color sep, edge enhance enab */
354 	{0x0000, 0x8602},	/* optical black level for user settng = 0 */
355 	{0x0080, 0x8600},	/* Line memory read counter (L) */
356 	{0x000a, 0x8603},	/* optical black level calc mode:
357 				 * auto; optical black offset = 10 */
358 	{0x00df, 0x865b},	/* Horiz offset for valid pixels (L)=0xdf */
359 	{0x0012, 0x865c},	/* Vert offset for valid lines (L)=0x12 */
360 
361 /* The following two lines seem to be the "wrong" resolution. */
362 /* But perhaps these indicate the actual size of the sensor */
363 /* rather than the size of the current video mode. */
364 	{0x0058, 0x865d},	/* Horiz valid pixels (*4) (L) = 352 */
365 	{0x0048, 0x865e},	/* Vert valid lines (*4) (L) = 288 */
366 
367 	{0x0015, 0x8608},	/* A11 Coef ... */
368 	{0x0030, 0x8609},
369 	{0x00fb, 0x860a},
370 	{0x003e, 0x860b},
371 	{0x00ce, 0x860c},
372 	{0x00f4, 0x860d},
373 	{0x00eb, 0x860e},
374 	{0x00dc, 0x860f},
375 	{0x0039, 0x8610},
376 	{0x0001, 0x8611},	/* R offset for white balance ... */
377 	{0x0000, 0x8612},
378 	{0x0001, 0x8613},
379 	{0x0000, 0x8614},
380 	{0x005b, 0x8651},	/* R gain for white balance ... */
381 	{0x0040, 0x8652},
382 	{0x0060, 0x8653},
383 	{0x0040, 0x8654},
384 	{0x0000, 0x8655},
385 	{0x0001, 0x863f},	/* Fixed gamma correction enable, USB control,
386 				 * lum filter disable, lum noise clip disable */
387 	{0x00a1, 0x8656},	/* Window1 size 256x256, Windows2 size 64x64,
388 				 * gamma look-up disable,
389 				 * new edge enhancement enable */
390 	{0x0018, 0x8657},	/* Edge gain high thresh */
391 	{0x0020, 0x8658},	/* Edge gain low thresh */
392 	{0x000a, 0x8659},	/* Edge bandwidth high threshold */
393 	{0x0005, 0x865a},	/* Edge bandwidth low threshold */
394 	/* -------------------------------- */
395 	{0x0030, 0x8112},	/* Video drop enable, ISO streaming enable */
396 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
397 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
398 	{0xa908, 0x8802},
399 	{0x0034, 0x8801},	/* SSI reg addr */
400 	{0x00ca, 0x8800},
401 	/* SSI data to write */
402 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
403 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
404 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
405 	{0x1f08, 0x8802},
406 	{0x0006, 0x8801},
407 	{0x0080, 0x8800},
408 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
409 
410 /* ----- Read back coefs we wrote earlier. */
411 	/* READ { 0x0000, 0x8608 } -> 0000: 15  */
412 	/* READ { 0x0000, 0x8609 } -> 0000: 30  */
413 	/* READ { 0x0000, 0x860a } -> 0000: fb  */
414 	/* READ { 0x0000, 0x860b } -> 0000: 3e  */
415 	/* READ { 0x0000, 0x860c } -> 0000: ce  */
416 	/* READ { 0x0000, 0x860d } -> 0000: f4  */
417 	/* READ { 0x0000, 0x860e } -> 0000: eb  */
418 	/* READ { 0x0000, 0x860f } -> 0000: dc  */
419 	/* READ { 0x0000, 0x8610 } -> 0000: 39  */
420 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
421 	/* READ { 0x0001, 0x8802 } -> 0000: 08  */
422 	{0xb008, 0x8802},
423 	{0x0006, 0x8801},
424 	{0x007d, 0x8800},
425 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
426 
427 
428 	/* This chunk is seemingly redundant with */
429 	/* earlier commands (A11 Coef...), but if I disable it, */
430 	/* the image appears too dark.  Maybe there was some kind of */
431 	/* reset since the earlier commands, so this is necessary again. */
432 	{0x0015, 0x8608},
433 	{0x0030, 0x8609},
434 	{0xfffb, 0x860a},
435 	{0x003e, 0x860b},
436 	{0xffce, 0x860c},
437 	{0xfff4, 0x860d},
438 	{0xffeb, 0x860e},
439 	{0xffdc, 0x860f},
440 	{0x0039, 0x8610},
441 	{0x0018, 0x8657},
442 
443 	{0x0000, 0x8508},	/* Disable compression. */
444 	/* Previous line was:
445 	{0x0021, 0x8508},	 * Enable compression. */
446 	{0x0032, 0x850b},	/* compression stuff */
447 	{0x0003, 0x8509},	/* compression stuff */
448 	{0x0011, 0x850a},	/* compression stuff */
449 	{0x0021, 0x850d},	/* compression stuff */
450 	{0x0010, 0x850c},	/* compression stuff */
451 	{0x0003, 0x8500},	/* *** Video mode: 160x120 */
452 	{0x0001, 0x8501},	/* Hardware-dominated snap control */
453 	{0x0061, 0x8656},	/* Window1 size 128x128, Windows2 size 128x128,
454 				 * gamma look-up disable,
455 				 * new edge enhancement enable */
456 	{0x0018, 0x8617},	/* Window1 start X (*2) */
457 	{0x0008, 0x8618},	/* Window1 start Y (*2) */
458 	{0x0061, 0x8656},	/* Window1 size 128x128, Windows2 size 128x128,
459 				 * gamma look-up disable,
460 				 * new edge enhancement enable */
461 	{0x0058, 0x8619},	/* Window2 start X (*2) */
462 	{0x0008, 0x861a},	/* Window2 start Y (*2) */
463 	{0x00ff, 0x8615},	/* High lum thresh for white balance */
464 	{0x0000, 0x8616},	/* Low lum thresh for white balance */
465 	{0x0012, 0x8700},	/* Clock speed 48Mhz/(2+2)/2= 6 Mhz */
466 	{0x0012, 0x8700},	/* Clock speed 48Mhz/(2+2)/2= 6 Mhz */
467 	/* READ { 0x0000, 0x8656 } -> 0000: 61  */
468 	{0x0028, 0x8802},    /* 375 Khz SSI clock, SSI r/w sync with VSYNC */
469 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
470 	/* READ { 0x0001, 0x8802 } -> 0000: 28  */
471 	{0x1f28, 0x8802},    /* 375 Khz SSI clock, SSI r/w sync with VSYNC */
472 	{0x0010, 0x8801},	/* SSI reg addr */
473 	{0x003e, 0x8800},	/* SSI data to write */
474 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
475 	{0x0028, 0x8802},
476 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
477 	/* READ { 0x0001, 0x8802 } -> 0000: 28  */
478 	{0x1f28, 0x8802},
479 	{0x0000, 0x8801},
480 	{0x001f, 0x8800},
481 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
482 	{0x0001, 0x8602},    /* optical black level for user settning = 1 */
483 
484 	/* Original: */
485 	{0x0023, 0x8700},	/* Clock speed 48Mhz/(3+2)/4= 2.4 Mhz */
486 	{0x000f, 0x8602},    /* optical black level for user settning = 15 */
487 
488 	{0x0028, 0x8802},
489 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
490 	/* READ { 0x0001, 0x8802 } -> 0000: 28  */
491 	{0x1f28, 0x8802},
492 	{0x0010, 0x8801},
493 	{0x007b, 0x8800},
494 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
495 	{0x002f, 0x8651},	/* R gain for white balance ... */
496 	{0x0080, 0x8653},
497 	/* READ { 0x0000, 0x8655 } -> 0000: 00  */
498 	{0x0000, 0x8655},
499 
500 	{0x0030, 0x8112},	/* Video drop enable, ISO streaming enable */
501 	{0x0020, 0x8112},	/* Video drop enable, ISO streaming disable */
502 	/* UNKNOWN DIRECTION (URB_FUNCTION_SELECT_INTERFACE: (ALT=0) ) */
503 	{}
504 };
505 
506 /*
507  * Initialization data for Intel EasyPC Camera CS110
508  */
509 static const u16 spca508cs110_init_data[][2] = {
510 	{0x0000, 0x870b},	/* Reset CTL3 */
511 	{0x0003, 0x8111},	/* Soft Reset compression, memory, TG & CDSP */
512 	{0x0000, 0x8111},	/* Normal operation on reset */
513 	{0x0090, 0x8110},
514 		 /* External Clock 2x & Synchronous Serial Interface Output */
515 	{0x0020, 0x8112},	/* Video Drop packet enable */
516 	{0x0000, 0x8114},	/* Software GPIO output data */
517 	{0x0001, 0x8114},
518 	{0x0001, 0x8114},
519 	{0x0001, 0x8114},
520 	{0x0003, 0x8114},
521 
522 	/* Initial sequence Synchronous Serial Interface */
523 	{0x000f, 0x8402},	/* Memory bank Address */
524 	{0x0000, 0x8403},	/* Memory bank Address */
525 	{0x00ba, 0x8804},	/* SSI Slave address */
526 	{0x0010, 0x8802},	/* 93.75kHz SSI Clock Two DataByte */
527 	{0x0010, 0x8802},	/* 93.75kHz SSI Clock two DataByte */
528 
529 	{0x0001, 0x8801},
530 	{0x000a, 0x8805},	/* a - NWG: Dunno what this is about */
531 	{0x0000, 0x8800},
532 	{0x0010, 0x8802},
533 
534 	{0x0002, 0x8801},
535 	{0x0000, 0x8805},
536 	{0x0000, 0x8800},
537 	{0x0010, 0x8802},
538 
539 	{0x0003, 0x8801},
540 	{0x0027, 0x8805},
541 	{0x0001, 0x8800},
542 	{0x0010, 0x8802},
543 
544 	{0x0004, 0x8801},
545 	{0x0065, 0x8805},
546 	{0x0001, 0x8800},
547 	{0x0010, 0x8802},
548 
549 	{0x0005, 0x8801},
550 	{0x0003, 0x8805},
551 	{0x0000, 0x8800},
552 	{0x0010, 0x8802},
553 
554 	{0x0006, 0x8801},
555 	{0x001c, 0x8805},
556 	{0x0000, 0x8800},
557 	{0x0010, 0x8802},
558 
559 	{0x0007, 0x8801},
560 	{0x002a, 0x8805},
561 	{0x0000, 0x8800},
562 	{0x0010, 0x8802},
563 
564 	{0x0002, 0x8704},	/* External input CKIx1 */
565 	{0x0001, 0x8606},    /* 1 Line memory Read Counter (H) Result: (d)410 */
566 	{0x009a, 0x8600},	/* Line memory Read Counter (L) */
567 	{0x0001, 0x865b},	/* 1 Horizontal Offset for Valid Pixel(L) */
568 	{0x0003, 0x865c},	/* 3 Vertical Offset for Valid Lines(L) */
569 	{0x0058, 0x865d},	/* 58 Horizontal Valid Pixel Window(L) */
570 
571 	{0x0006, 0x8660},	/* Nibble data + input order */
572 
573 	{0x000a, 0x8602},	/* Optical black level set to 0x0a */
574 	{0x0000, 0x8603},	/* Optical black level Offset */
575 
576 /*	{0x0000, 0x8611},	 * 0 R  Offset for white Balance */
577 /*	{0x0000, 0x8612},	 * 1 Gr Offset for white Balance */
578 /*	{0x0000, 0x8613},	 * 1f B  Offset for white Balance */
579 /*	{0x0000, 0x8614},	 * f0 Gb Offset for white Balance */
580 
581 	{0x0040, 0x8651},   /* 2b BLUE gain for white balance  good at all 60 */
582 	{0x0030, 0x8652},	/* 41 Gr Gain for white Balance (L) */
583 	{0x0035, 0x8653},	/* 26 RED gain for white balance */
584 	{0x0035, 0x8654},	/* 40Gb Gain for white Balance (L) */
585 	{0x0041, 0x863f},
586 	      /* Fixed Gamma correction enabled (makes colours look better) */
587 
588 	{0x0000, 0x8655},
589 		/* High bits for white balance*****brightness control*** */
590 	{}
591 };
592 
593 static const u16 spca508_sightcam_init_data[][2] = {
594 /* This line seems to setup the frame/canvas */
595 	{0x000f, 0x8402},
596 
597 /* These 6 lines are needed to startup the webcam */
598 	{0x0090, 0x8110},
599 	{0x0001, 0x8114},
600 	{0x0001, 0x8114},
601 	{0x0001, 0x8114},
602 	{0x0003, 0x8114},
603 	{0x0080, 0x8804},
604 
605 /* This part seems to make the pictures darker? (autobrightness?) */
606 	{0x0001, 0x8801},
607 	{0x0004, 0x8800},
608 	{0x0003, 0x8801},
609 	{0x00e0, 0x8800},
610 	{0x0004, 0x8801},
611 	{0x00b4, 0x8800},
612 	{0x0005, 0x8801},
613 	{0x0000, 0x8800},
614 
615 	{0x0006, 0x8801},
616 	{0x00e0, 0x8800},
617 	{0x0007, 0x8801},
618 	{0x000c, 0x8800},
619 
620 /* This section is just needed, it probably
621  * does something like the previous section,
622  * but the cam won't start if it's not included.
623  */
624 	{0x0014, 0x8801},
625 	{0x0008, 0x8800},
626 	{0x0015, 0x8801},
627 	{0x0067, 0x8800},
628 	{0x0016, 0x8801},
629 	{0x0000, 0x8800},
630 	{0x0017, 0x8801},
631 	{0x0020, 0x8800},
632 	{0x0018, 0x8801},
633 	{0x0044, 0x8800},
634 
635 /* Makes the picture darker - and the
636  * cam won't start if not included
637  */
638 	{0x001e, 0x8801},
639 	{0x00ea, 0x8800},
640 	{0x001f, 0x8801},
641 	{0x0001, 0x8800},
642 	{0x0003, 0x8801},
643 	{0x00e0, 0x8800},
644 
645 /* seems to place the colors ontop of each other #1 */
646 	{0x0006, 0x8704},
647 	{0x0001, 0x870c},
648 	{0x0016, 0x8600},
649 	{0x0002, 0x8606},
650 
651 /* if not included the pictures becomes _very_ dark */
652 	{0x0064, 0x8607},
653 	{0x003a, 0x8601},
654 	{0x0000, 0x8602},
655 
656 /* seems to place the colors ontop of each other #2 */
657 	{0x0016, 0x8600},
658 	{0x0018, 0x8617},
659 	{0x0008, 0x8618},
660 	{0x00a1, 0x8656},
661 
662 /* webcam won't start if not included */
663 	{0x0007, 0x865b},
664 	{0x0001, 0x865c},
665 	{0x0058, 0x865d},
666 	{0x0048, 0x865e},
667 
668 /* adjusts the colors */
669 	{0x0049, 0x8651},
670 	{0x0040, 0x8652},
671 	{0x004c, 0x8653},
672 	{0x0040, 0x8654},
673 	{}
674 };
675 
676 static const u16 spca508_sightcam2_init_data[][2] = {
677 	{0x0020, 0x8112},
678 
679 	{0x000f, 0x8402},
680 	{0x0000, 0x8403},
681 
682 	{0x0008, 0x8201},
683 	{0x0008, 0x8200},
684 	{0x0001, 0x8200},
685 	{0x0009, 0x8201},
686 	{0x0008, 0x8200},
687 	{0x0001, 0x8200},
688 	{0x000a, 0x8201},
689 	{0x0008, 0x8200},
690 	{0x0001, 0x8200},
691 	{0x000b, 0x8201},
692 	{0x0008, 0x8200},
693 	{0x0001, 0x8200},
694 	{0x000c, 0x8201},
695 	{0x0008, 0x8200},
696 	{0x0001, 0x8200},
697 	{0x000d, 0x8201},
698 	{0x0008, 0x8200},
699 	{0x0001, 0x8200},
700 	{0x000e, 0x8201},
701 	{0x0008, 0x8200},
702 	{0x0001, 0x8200},
703 	{0x0007, 0x8201},
704 	{0x0008, 0x8200},
705 	{0x0001, 0x8200},
706 	{0x000f, 0x8201},
707 	{0x0008, 0x8200},
708 	{0x0001, 0x8200},
709 
710 	{0x0018, 0x8660},
711 	{0x0010, 0x8201},
712 
713 	{0x0008, 0x8200},
714 	{0x0001, 0x8200},
715 	{0x0011, 0x8201},
716 	{0x0008, 0x8200},
717 	{0x0001, 0x8200},
718 
719 	{0x0000, 0x86b0},
720 	{0x0034, 0x86b1},
721 	{0x0000, 0x86b2},
722 	{0x0049, 0x86b3},
723 	{0x0000, 0x86b4},
724 	{0x0000, 0x86b4},
725 
726 	{0x0012, 0x8201},
727 	{0x0008, 0x8200},
728 	{0x0001, 0x8200},
729 	{0x0013, 0x8201},
730 	{0x0008, 0x8200},
731 	{0x0001, 0x8200},
732 
733 	{0x0001, 0x86b0},
734 	{0x00aa, 0x86b1},
735 	{0x0000, 0x86b2},
736 	{0x00e4, 0x86b3},
737 	{0x0000, 0x86b4},
738 	{0x0000, 0x86b4},
739 
740 	{0x0018, 0x8660},
741 
742 	{0x0090, 0x8110},
743 	{0x0001, 0x8114},
744 	{0x0001, 0x8114},
745 	{0x0001, 0x8114},
746 	{0x0003, 0x8114},
747 
748 	{0x0080, 0x8804},
749 	{0x0003, 0x8801},
750 	{0x0012, 0x8800},
751 	{0x0004, 0x8801},
752 	{0x0005, 0x8800},
753 	{0x0005, 0x8801},
754 	{0x0000, 0x8800},
755 	{0x0006, 0x8801},
756 	{0x0000, 0x8800},
757 	{0x0007, 0x8801},
758 	{0x0000, 0x8800},
759 	{0x0008, 0x8801},
760 	{0x0005, 0x8800},
761 	{0x000a, 0x8700},
762 	{0x000e, 0x8801},
763 	{0x0004, 0x8800},
764 	{0x0005, 0x8801},
765 	{0x0047, 0x8800},
766 	{0x0006, 0x8801},
767 	{0x0000, 0x8800},
768 	{0x0007, 0x8801},
769 	{0x00c0, 0x8800},
770 	{0x0008, 0x8801},
771 	{0x0003, 0x8800},
772 	{0x0013, 0x8801},
773 	{0x0001, 0x8800},
774 	{0x0009, 0x8801},
775 	{0x0000, 0x8800},
776 	{0x000a, 0x8801},
777 	{0x0000, 0x8800},
778 	{0x000b, 0x8801},
779 	{0x0000, 0x8800},
780 	{0x000c, 0x8801},
781 	{0x0000, 0x8800},
782 	{0x000e, 0x8801},
783 	{0x0004, 0x8800},
784 	{0x000f, 0x8801},
785 	{0x0000, 0x8800},
786 	{0x0010, 0x8801},
787 	{0x0006, 0x8800},
788 	{0x0011, 0x8801},
789 	{0x0006, 0x8800},
790 	{0x0012, 0x8801},
791 	{0x0000, 0x8800},
792 	{0x0013, 0x8801},
793 	{0x0001, 0x8800},
794 
795 	{0x000a, 0x8700},
796 	{0x0000, 0x8702},
797 	{0x0000, 0x8703},
798 	{0x00c2, 0x8704},
799 	{0x0001, 0x870c},
800 
801 	{0x0044, 0x8600},
802 	{0x0002, 0x8606},
803 	{0x0064, 0x8607},
804 	{0x003a, 0x8601},
805 	{0x0008, 0x8602},
806 	{0x0044, 0x8600},
807 	{0x0018, 0x8617},
808 	{0x0008, 0x8618},
809 	{0x00a1, 0x8656},
810 	{0x0004, 0x865b},
811 	{0x0002, 0x865c},
812 	{0x0058, 0x865d},
813 	{0x0048, 0x865e},
814 	{0x0012, 0x8608},
815 	{0x002c, 0x8609},
816 	{0x0002, 0x860a},
817 	{0x002c, 0x860b},
818 	{0x00db, 0x860c},
819 	{0x00f9, 0x860d},
820 	{0x00f1, 0x860e},
821 	{0x00e3, 0x860f},
822 	{0x002c, 0x8610},
823 	{0x006c, 0x8651},
824 	{0x0041, 0x8652},
825 	{0x0059, 0x8653},
826 	{0x0040, 0x8654},
827 	{0x00fa, 0x8611},
828 	{0x00ff, 0x8612},
829 	{0x00f8, 0x8613},
830 	{0x0000, 0x8614},
831 	{0x0001, 0x863f},
832 	{0x0000, 0x8640},
833 	{0x0026, 0x8641},
834 	{0x0045, 0x8642},
835 	{0x0060, 0x8643},
836 	{0x0075, 0x8644},
837 	{0x0088, 0x8645},
838 	{0x009b, 0x8646},
839 	{0x00b0, 0x8647},
840 	{0x00c5, 0x8648},
841 	{0x00d2, 0x8649},
842 	{0x00dc, 0x864a},
843 	{0x00e5, 0x864b},
844 	{0x00eb, 0x864c},
845 	{0x00f0, 0x864d},
846 	{0x00f6, 0x864e},
847 	{0x00fa, 0x864f},
848 	{0x00ff, 0x8650},
849 	{0x0060, 0x8657},
850 	{0x0010, 0x8658},
851 	{0x0018, 0x8659},
852 	{0x0005, 0x865a},
853 	{0x0018, 0x8660},
854 	{0x0003, 0x8509},
855 	{0x0011, 0x850a},
856 	{0x0032, 0x850b},
857 	{0x0010, 0x850c},
858 	{0x0021, 0x850d},
859 	{0x0001, 0x8500},
860 	{0x0000, 0x8508},
861 	{0x0012, 0x8608},
862 	{0x002c, 0x8609},
863 	{0x0002, 0x860a},
864 	{0x0039, 0x860b},
865 	{0x00d0, 0x860c},
866 	{0x00f7, 0x860d},
867 	{0x00ed, 0x860e},
868 	{0x00db, 0x860f},
869 	{0x0039, 0x8610},
870 	{0x0012, 0x8657},
871 	{0x000c, 0x8619},
872 	{0x0004, 0x861a},
873 	{0x00a1, 0x8656},
874 	{0x00c8, 0x8615},
875 	{0x0032, 0x8616},
876 
877 	{0x0030, 0x8112},
878 	{0x0020, 0x8112},
879 	{0x0020, 0x8112},
880 	{0x000f, 0x8402},
881 	{0x0000, 0x8403},
882 
883 	{0x0090, 0x8110},
884 	{0x0001, 0x8114},
885 	{0x0001, 0x8114},
886 	{0x0001, 0x8114},
887 	{0x0003, 0x8114},
888 	{0x0080, 0x8804},
889 
890 	{0x0003, 0x8801},
891 	{0x0012, 0x8800},
892 	{0x0004, 0x8801},
893 	{0x0005, 0x8800},
894 	{0x0005, 0x8801},
895 	{0x0047, 0x8800},
896 	{0x0006, 0x8801},
897 	{0x0000, 0x8800},
898 	{0x0007, 0x8801},
899 	{0x00c0, 0x8800},
900 	{0x0008, 0x8801},
901 	{0x0003, 0x8800},
902 	{0x000a, 0x8700},
903 	{0x000e, 0x8801},
904 	{0x0004, 0x8800},
905 	{0x0005, 0x8801},
906 	{0x0047, 0x8800},
907 	{0x0006, 0x8801},
908 	{0x0000, 0x8800},
909 	{0x0007, 0x8801},
910 	{0x00c0, 0x8800},
911 	{0x0008, 0x8801},
912 	{0x0003, 0x8800},
913 	{0x0013, 0x8801},
914 	{0x0001, 0x8800},
915 	{0x0009, 0x8801},
916 	{0x0000, 0x8800},
917 	{0x000a, 0x8801},
918 	{0x0000, 0x8800},
919 	{0x000b, 0x8801},
920 	{0x0000, 0x8800},
921 	{0x000c, 0x8801},
922 	{0x0000, 0x8800},
923 	{0x000e, 0x8801},
924 	{0x0004, 0x8800},
925 	{0x000f, 0x8801},
926 	{0x0000, 0x8800},
927 	{0x0010, 0x8801},
928 	{0x0006, 0x8800},
929 	{0x0011, 0x8801},
930 	{0x0006, 0x8800},
931 	{0x0012, 0x8801},
932 	{0x0000, 0x8800},
933 	{0x0013, 0x8801},
934 	{0x0001, 0x8800},
935 	{0x000a, 0x8700},
936 	{0x0000, 0x8702},
937 	{0x0000, 0x8703},
938 	{0x00c2, 0x8704},
939 	{0x0001, 0x870c},
940 	{0x0044, 0x8600},
941 	{0x0002, 0x8606},
942 	{0x0064, 0x8607},
943 	{0x003a, 0x8601},
944 	{0x0008, 0x8602},
945 	{0x0044, 0x8600},
946 	{0x0018, 0x8617},
947 	{0x0008, 0x8618},
948 	{0x00a1, 0x8656},
949 	{0x0004, 0x865b},
950 	{0x0002, 0x865c},
951 	{0x0058, 0x865d},
952 	{0x0048, 0x865e},
953 	{0x0012, 0x8608},
954 	{0x002c, 0x8609},
955 	{0x0002, 0x860a},
956 	{0x002c, 0x860b},
957 	{0x00db, 0x860c},
958 	{0x00f9, 0x860d},
959 	{0x00f1, 0x860e},
960 	{0x00e3, 0x860f},
961 	{0x002c, 0x8610},
962 	{0x006c, 0x8651},
963 	{0x0041, 0x8652},
964 	{0x0059, 0x8653},
965 	{0x0040, 0x8654},
966 	{0x00fa, 0x8611},
967 	{0x00ff, 0x8612},
968 	{0x00f8, 0x8613},
969 	{0x0000, 0x8614},
970 	{0x0001, 0x863f},
971 	{0x0000, 0x8640},
972 	{0x0026, 0x8641},
973 	{0x0045, 0x8642},
974 	{0x0060, 0x8643},
975 	{0x0075, 0x8644},
976 	{0x0088, 0x8645},
977 	{0x009b, 0x8646},
978 	{0x00b0, 0x8647},
979 	{0x00c5, 0x8648},
980 	{0x00d2, 0x8649},
981 	{0x00dc, 0x864a},
982 	{0x00e5, 0x864b},
983 	{0x00eb, 0x864c},
984 	{0x00f0, 0x864d},
985 	{0x00f6, 0x864e},
986 	{0x00fa, 0x864f},
987 	{0x00ff, 0x8650},
988 	{0x0060, 0x8657},
989 	{0x0010, 0x8658},
990 	{0x0018, 0x8659},
991 	{0x0005, 0x865a},
992 	{0x0018, 0x8660},
993 	{0x0003, 0x8509},
994 	{0x0011, 0x850a},
995 	{0x0032, 0x850b},
996 	{0x0010, 0x850c},
997 	{0x0021, 0x850d},
998 	{0x0001, 0x8500},
999 	{0x0000, 0x8508},
1000 
1001 	{0x0012, 0x8608},
1002 	{0x002c, 0x8609},
1003 	{0x0002, 0x860a},
1004 	{0x0039, 0x860b},
1005 	{0x00d0, 0x860c},
1006 	{0x00f7, 0x860d},
1007 	{0x00ed, 0x860e},
1008 	{0x00db, 0x860f},
1009 	{0x0039, 0x8610},
1010 	{0x0012, 0x8657},
1011 	{0x0064, 0x8619},
1012 
1013 /* This line starts it all, it is not needed here */
1014 /* since it has been build into the driver */
1015 /* jfm: don't start now */
1016 /*	{0x0030, 0x8112}, */
1017 	{}
1018 };
1019 
1020 /*
1021  * Initialization data for Creative Webcam Vista
1022  */
1023 static const u16 spca508_vista_init_data[][2] = {
1024 	{0x0008, 0x8200},	/* Clear register */
1025 	{0x0000, 0x870b},	/* Reset CTL3 */
1026 	{0x0020, 0x8112},	/* Video Drop packet enable */
1027 	{0x0003, 0x8111},	/* Soft Reset compression, memory, TG & CDSP */
1028 	{0x0000, 0x8110},	/* Disable everything */
1029 	{0x0000, 0x8114},	/* Software GPIO output data */
1030 	{0x0000, 0x8114},
1031 
1032 	{0x0003, 0x8111},
1033 	{0x0000, 0x8111},
1034 	{0x0090, 0x8110},    /* Enable: SSI output, External 2X clock output */
1035 	{0x0020, 0x8112},
1036 	{0x0000, 0x8114},
1037 	{0x0001, 0x8114},
1038 	{0x0001, 0x8114},
1039 	{0x0001, 0x8114},
1040 	{0x0003, 0x8114},
1041 
1042 	{0x000f, 0x8402},	/* Memory bank Address */
1043 	{0x0000, 0x8403},	/* Memory bank Address */
1044 	{0x00ba, 0x8804},	/* SSI Slave address */
1045 	{0x0010, 0x8802},	/* 93.75kHz SSI Clock Two DataByte */
1046 
1047 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1048 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1049 	{0x0010, 0x8802},	/* Will write 2 bytes (DATA1+DATA2) */
1050 	{0x0020, 0x8801},	/* Register address for SSI read/write */
1051 	{0x0044, 0x8805},	/* DATA2 */
1052 	{0x0004, 0x8800},	/* DATA1 -> write triggered */
1053 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1054 
1055 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1056 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1057 	{0x0010, 0x8802},
1058 	{0x0009, 0x8801},
1059 	{0x0042, 0x8805},
1060 	{0x0001, 0x8800},
1061 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1062 
1063 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1064 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1065 	{0x0010, 0x8802},
1066 	{0x003c, 0x8801},
1067 	{0x0001, 0x8805},
1068 	{0x0000, 0x8800},
1069 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1070 
1071 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1072 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1073 	{0x0010, 0x8802},
1074 	{0x0001, 0x8801},
1075 	{0x000a, 0x8805},
1076 	{0x0000, 0x8800},
1077 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1078 
1079 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1080 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1081 	{0x0010, 0x8802},
1082 	{0x0002, 0x8801},
1083 	{0x0000, 0x8805},
1084 	{0x0000, 0x8800},
1085 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1086 
1087 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1088 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1089 	{0x0010, 0x8802},
1090 	{0x0003, 0x8801},
1091 	{0x0027, 0x8805},
1092 	{0x0001, 0x8800},
1093 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1094 
1095 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1096 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1097 	{0x0010, 0x8802},
1098 	{0x0004, 0x8801},
1099 	{0x0065, 0x8805},
1100 	{0x0001, 0x8800},
1101 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1102 
1103 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1104 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1105 	{0x0010, 0x8802},
1106 	{0x0005, 0x8801},
1107 	{0x0003, 0x8805},
1108 	{0x0000, 0x8800},
1109 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1110 
1111 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1112 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1113 	{0x0010, 0x8802},
1114 	{0x0006, 0x8801},
1115 	{0x001c, 0x8805},
1116 	{0x0000, 0x8800},
1117 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1118 
1119 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1120 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1121 	{0x0010, 0x8802},
1122 	{0x0007, 0x8801},
1123 	{0x002a, 0x8805},
1124 	{0x0000, 0x8800},
1125 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1126 
1127 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1128 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1129 	{0x0010, 0x8802},
1130 	{0x000e, 0x8801},
1131 	{0x0000, 0x8805},
1132 	{0x0000, 0x8800},
1133 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1134 
1135 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1136 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1137 	{0x0010, 0x8802},
1138 	{0x0028, 0x8801},
1139 	{0x002e, 0x8805},
1140 	{0x0000, 0x8800},
1141 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1142 
1143 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1144 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1145 	{0x0010, 0x8802},
1146 	{0x0039, 0x8801},
1147 	{0x0013, 0x8805},
1148 	{0x0000, 0x8800},
1149 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1150 
1151 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1152 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1153 	{0x0010, 0x8802},
1154 	{0x003b, 0x8801},
1155 	{0x000c, 0x8805},
1156 	{0x0000, 0x8800},
1157 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1158 
1159 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1160 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1161 	{0x0010, 0x8802},
1162 	{0x0035, 0x8801},
1163 	{0x0028, 0x8805},
1164 	{0x0000, 0x8800},
1165 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1166 
1167 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1168 	/* READ { 0x0001, 0x8802 } -> 0000: 10  */
1169 	{0x0010, 0x8802},
1170 	{0x0009, 0x8801},
1171 	{0x0042, 0x8805},
1172 	{0x0001, 0x8800},
1173 	/* READ { 0x0001, 0x8803 } -> 0000: 00  */
1174 
1175 	{0x0050, 0x8703},
1176 	{0x0002, 0x8704},	/* External input CKIx1 */
1177 	{0x0001, 0x870c},	/* Select CKOx2 output */
1178 	{0x009a, 0x8600},	/* Line memory Read Counter (L) */
1179 	{0x0001, 0x8606},    /* 1 Line memory Read Counter (H) Result: (d)410 */
1180 	{0x0023, 0x8601},
1181 	{0x0010, 0x8602},
1182 	{0x000a, 0x8603},
1183 	{0x009a, 0x8600},
1184 	{0x0001, 0x865b},	/* 1 Horizontal Offset for Valid Pixel(L) */
1185 	{0x0003, 0x865c},	/* Vertical offset for valid lines (L) */
1186 	{0x0058, 0x865d},	/* Horizontal valid pixels window (L) */
1187 	{0x0048, 0x865e},	/* Vertical valid lines window (L) */
1188 	{0x0000, 0x865f},
1189 
1190 	{0x0006, 0x8660},
1191 		    /* Enable nibble data input, select nibble input order */
1192 
1193 	{0x0013, 0x8608},	/* A11 Coeficients for color correction */
1194 	{0x0028, 0x8609},
1195 		    /* Note: these values are confirmed at the end of array */
1196 	{0x0005, 0x860a},	/* ... */
1197 	{0x0025, 0x860b},
1198 	{0x00e1, 0x860c},
1199 	{0x00fa, 0x860d},
1200 	{0x00f4, 0x860e},
1201 	{0x00e8, 0x860f},
1202 	{0x0025, 0x8610},	/* A33 Coef. */
1203 	{0x00fc, 0x8611},	/* White balance offset: R */
1204 	{0x0001, 0x8612},	/* White balance offset: Gr */
1205 	{0x00fe, 0x8613},	/* White balance offset: B */
1206 	{0x0000, 0x8614},	/* White balance offset: Gb */
1207 
1208 	{0x0064, 0x8651},	/* R gain for white balance (L) */
1209 	{0x0040, 0x8652},	/* Gr gain for white balance (L) */
1210 	{0x0066, 0x8653},	/* B gain for white balance (L) */
1211 	{0x0040, 0x8654},	/* Gb gain for white balance (L) */
1212 	{0x0001, 0x863f},	/* Enable fixed gamma correction */
1213 
1214 	{0x00a1, 0x8656},	/* Size - Window1: 256x256, Window2: 128x128,
1215 				 * UV division: UV no change,
1216 				 * Enable New edge enhancement */
1217 	{0x0018, 0x8657},	/* Edge gain high threshold */
1218 	{0x0020, 0x8658},	/* Edge gain low threshold */
1219 	{0x000a, 0x8659},	/* Edge bandwidth high threshold */
1220 	{0x0005, 0x865a},	/* Edge bandwidth low threshold */
1221 	{0x0064, 0x8607},	/* UV filter enable */
1222 
1223 	{0x0016, 0x8660},
1224 	{0x0000, 0x86b0},	/* Bad pixels compensation address */
1225 	{0x00dc, 0x86b1},	/* X coord for bad pixels compensation (L) */
1226 	{0x0000, 0x86b2},
1227 	{0x0009, 0x86b3},	/* Y coord for bad pixels compensation (L) */
1228 	{0x0000, 0x86b4},
1229 
1230 	{0x0001, 0x86b0},
1231 	{0x00f5, 0x86b1},
1232 	{0x0000, 0x86b2},
1233 	{0x00c6, 0x86b3},
1234 	{0x0000, 0x86b4},
1235 
1236 	{0x0002, 0x86b0},
1237 	{0x001c, 0x86b1},
1238 	{0x0001, 0x86b2},
1239 	{0x00d7, 0x86b3},
1240 	{0x0000, 0x86b4},
1241 
1242 	{0x0003, 0x86b0},
1243 	{0x001c, 0x86b1},
1244 	{0x0001, 0x86b2},
1245 	{0x00d8, 0x86b3},
1246 	{0x0000, 0x86b4},
1247 
1248 	{0x0004, 0x86b0},
1249 	{0x001d, 0x86b1},
1250 	{0x0001, 0x86b2},
1251 	{0x00d8, 0x86b3},
1252 	{0x0000, 0x86b4},
1253 	{0x001e, 0x8660},
1254 
1255 	/* READ { 0x0000, 0x8608 } -> 0000: 13  */
1256 	/* READ { 0x0000, 0x8609 } -> 0000: 28  */
1257 	/* READ { 0x0000, 0x8610 } -> 0000: 05  */
1258 	/* READ { 0x0000, 0x8611 } -> 0000: 25  */
1259 	/* READ { 0x0000, 0x8612 } -> 0000: e1  */
1260 	/* READ { 0x0000, 0x8613 } -> 0000: fa  */
1261 	/* READ { 0x0000, 0x8614 } -> 0000: f4  */
1262 	/* READ { 0x0000, 0x8615 } -> 0000: e8  */
1263 	/* READ { 0x0000, 0x8616 } -> 0000: 25  */
1264 	{}
1265 };
1266 
reg_write(struct usb_device * dev,u16 index,u16 value)1267 static int reg_write(struct usb_device *dev,
1268 			u16 index, u16 value)
1269 {
1270 	int ret;
1271 
1272 	ret = usb_control_msg(dev,
1273 			usb_sndctrlpipe(dev, 0),
1274 			0,		/* request */
1275 			USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1276 			value, index, NULL, 0, 500);
1277 	PDEBUG(D_USBO, "reg write i:0x%04x = 0x%02x",
1278 		index, value);
1279 	if (ret < 0)
1280 		pr_err("reg write: error %d\n", ret);
1281 	return ret;
1282 }
1283 
1284 /* read 1 byte */
1285 /* returns: negative is error, pos or zero is data */
reg_read(struct gspca_dev * gspca_dev,u16 index)1286 static int reg_read(struct gspca_dev *gspca_dev,
1287 			u16 index)	/* wIndex */
1288 {
1289 	int ret;
1290 
1291 	ret = usb_control_msg(gspca_dev->dev,
1292 			usb_rcvctrlpipe(gspca_dev->dev, 0),
1293 			0,			/* register */
1294 			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1295 			0,		/* value */
1296 			index,
1297 			gspca_dev->usb_buf, 1,
1298 			500);			/* timeout */
1299 	PDEBUG(D_USBI, "reg read i:%04x --> %02x",
1300 		index, gspca_dev->usb_buf[0]);
1301 	if (ret < 0) {
1302 		pr_err("reg_read err %d\n", ret);
1303 		return ret;
1304 	}
1305 	return gspca_dev->usb_buf[0];
1306 }
1307 
1308 /* send 1 or 2 bytes to the sensor via the Synchronous Serial Interface */
ssi_w(struct gspca_dev * gspca_dev,u16 reg,u16 val)1309 static int ssi_w(struct gspca_dev *gspca_dev,
1310 		u16 reg, u16 val)
1311 {
1312 	struct usb_device *dev = gspca_dev->dev;
1313 	int ret, retry;
1314 
1315 	ret = reg_write(dev, 0x8802, reg >> 8);
1316 	if (ret < 0)
1317 		goto out;
1318 	ret = reg_write(dev, 0x8801, reg & 0x00ff);
1319 	if (ret < 0)
1320 		goto out;
1321 	if ((reg & 0xff00) == 0x1000) {		/* if 2 bytes */
1322 		ret = reg_write(dev, 0x8805, val & 0x00ff);
1323 		if (ret < 0)
1324 			goto out;
1325 		val >>= 8;
1326 	}
1327 	ret = reg_write(dev, 0x8800, val);
1328 	if (ret < 0)
1329 		goto out;
1330 
1331 	/* poll until not busy */
1332 	retry = 10;
1333 	for (;;) {
1334 		ret = reg_read(gspca_dev, 0x8803);
1335 		if (ret < 0)
1336 			break;
1337 		if (gspca_dev->usb_buf[0] == 0)
1338 			break;
1339 		if (--retry <= 0) {
1340 			PDEBUG(D_ERR, "ssi_w busy %02x",
1341 					gspca_dev->usb_buf[0]);
1342 			ret = -1;
1343 			break;
1344 		}
1345 		msleep(8);
1346 	}
1347 
1348 out:
1349 	return ret;
1350 }
1351 
write_vector(struct gspca_dev * gspca_dev,const u16 (* data)[2])1352 static int write_vector(struct gspca_dev *gspca_dev,
1353 			const u16 (*data)[2])
1354 {
1355 	struct usb_device *dev = gspca_dev->dev;
1356 	int ret = 0;
1357 
1358 	while ((*data)[1] != 0) {
1359 		if ((*data)[1] & 0x8000) {
1360 			if ((*data)[1] == 0xdd00)	/* delay */
1361 				msleep((*data)[0]);
1362 			else
1363 				ret = reg_write(dev, (*data)[1], (*data)[0]);
1364 		} else {
1365 			ret = ssi_w(gspca_dev, (*data)[1], (*data)[0]);
1366 		}
1367 		if (ret < 0)
1368 			break;
1369 		data++;
1370 	}
1371 	return ret;
1372 }
1373 
1374 /* this function is called at probe time */
sd_config(struct gspca_dev * gspca_dev,const struct usb_device_id * id)1375 static int sd_config(struct gspca_dev *gspca_dev,
1376 			const struct usb_device_id *id)
1377 {
1378 	struct sd *sd = (struct sd *) gspca_dev;
1379 	struct cam *cam;
1380 	const u16 (*init_data)[2];
1381 	static const u16 (*(init_data_tb[]))[2] = {
1382 		spca508_vista_init_data,	/* CreativeVista 0 */
1383 		spca508_sightcam_init_data,	/* HamaUSBSightcam 1 */
1384 		spca508_sightcam2_init_data,	/* HamaUSBSightcam2 2 */
1385 		spca508cs110_init_data,		/* IntelEasyPCCamera 3 */
1386 		spca508cs110_init_data,		/* MicroInnovationIC200 4 */
1387 		spca508_init_data,		/* ViewQuestVQ110 5 */
1388 	};
1389 
1390 #ifdef GSPCA_DEBUG
1391 	int data1, data2;
1392 
1393 	/* Read from global register the USB product and vendor IDs, just to
1394 	 * prove that we can communicate with the device.  This works, which
1395 	 * confirms at we are communicating properly and that the device
1396 	 * is a 508. */
1397 	data1 = reg_read(gspca_dev, 0x8104);
1398 	data2 = reg_read(gspca_dev, 0x8105);
1399 	PDEBUG(D_PROBE, "Webcam Vendor ID: 0x%02x%02x", data2, data1);
1400 
1401 	data1 = reg_read(gspca_dev, 0x8106);
1402 	data2 = reg_read(gspca_dev, 0x8107);
1403 	PDEBUG(D_PROBE, "Webcam Product ID: 0x%02x%02x", data2, data1);
1404 
1405 	data1 = reg_read(gspca_dev, 0x8621);
1406 	PDEBUG(D_PROBE, "Window 1 average luminance: %d", data1);
1407 #endif
1408 
1409 	cam = &gspca_dev->cam;
1410 	cam->cam_mode = sif_mode;
1411 	cam->nmodes = ARRAY_SIZE(sif_mode);
1412 
1413 	sd->subtype = id->driver_info;
1414 	sd->brightness = BRIGHTNESS_DEF;
1415 
1416 	init_data = init_data_tb[sd->subtype];
1417 	return write_vector(gspca_dev, init_data);
1418 }
1419 
1420 /* this function is called at probe and resume time */
sd_init(struct gspca_dev * gspca_dev)1421 static int sd_init(struct gspca_dev *gspca_dev)
1422 {
1423 	return 0;
1424 }
1425 
sd_start(struct gspca_dev * gspca_dev)1426 static int sd_start(struct gspca_dev *gspca_dev)
1427 {
1428 	int mode;
1429 
1430 	mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
1431 	reg_write(gspca_dev->dev, 0x8500, mode);
1432 	switch (mode) {
1433 	case 0:
1434 	case 1:
1435 		reg_write(gspca_dev->dev, 0x8700, 0x28);	/* clock */
1436 		break;
1437 	default:
1438 /*	case 2: */
1439 /*	case 3: */
1440 		reg_write(gspca_dev->dev, 0x8700, 0x23);	/* clock */
1441 		break;
1442 	}
1443 	reg_write(gspca_dev->dev, 0x8112, 0x10 | 0x20);
1444 	return 0;
1445 }
1446 
sd_stopN(struct gspca_dev * gspca_dev)1447 static void sd_stopN(struct gspca_dev *gspca_dev)
1448 {
1449 	/* Video ISO disable, Video Drop Packet enable: */
1450 	reg_write(gspca_dev->dev, 0x8112, 0x20);
1451 }
1452 
sd_pkt_scan(struct gspca_dev * gspca_dev,u8 * data,int len)1453 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
1454 			u8 *data,			/* isoc packet */
1455 			int len)			/* iso packet length */
1456 {
1457 	switch (data[0]) {
1458 	case 0:				/* start of frame */
1459 		gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
1460 		data += SPCA508_OFFSET_DATA;
1461 		len -= SPCA508_OFFSET_DATA;
1462 		gspca_frame_add(gspca_dev, FIRST_PACKET, data, len);
1463 		break;
1464 	case 0xff:			/* drop */
1465 		break;
1466 	default:
1467 		data += 1;
1468 		len -= 1;
1469 		gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
1470 		break;
1471 	}
1472 }
1473 
setbrightness(struct gspca_dev * gspca_dev)1474 static void setbrightness(struct gspca_dev *gspca_dev)
1475 {
1476 	struct sd *sd = (struct sd *) gspca_dev;
1477 	u8 brightness = sd->brightness;
1478 
1479 	/* MX seem contrast */
1480 	reg_write(gspca_dev->dev, 0x8651, brightness);
1481 	reg_write(gspca_dev->dev, 0x8652, brightness);
1482 	reg_write(gspca_dev->dev, 0x8653, brightness);
1483 	reg_write(gspca_dev->dev, 0x8654, brightness);
1484 }
1485 
sd_setbrightness(struct gspca_dev * gspca_dev,__s32 val)1486 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
1487 {
1488 	struct sd *sd = (struct sd *) gspca_dev;
1489 
1490 	sd->brightness = val;
1491 	if (gspca_dev->streaming)
1492 		setbrightness(gspca_dev);
1493 	return 0;
1494 }
1495 
sd_getbrightness(struct gspca_dev * gspca_dev,__s32 * val)1496 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
1497 {
1498 	struct sd *sd = (struct sd *) gspca_dev;
1499 
1500 	*val = sd->brightness;
1501 	return 0;
1502 }
1503 
1504 /* sub-driver description */
1505 static const struct sd_desc sd_desc = {
1506 	.name = MODULE_NAME,
1507 	.ctrls = sd_ctrls,
1508 	.nctrls = ARRAY_SIZE(sd_ctrls),
1509 	.config = sd_config,
1510 	.init = sd_init,
1511 	.start = sd_start,
1512 	.stopN = sd_stopN,
1513 	.pkt_scan = sd_pkt_scan,
1514 };
1515 
1516 /* -- module initialisation -- */
1517 static const struct usb_device_id device_table[] = {
1518 	{USB_DEVICE(0x0130, 0x0130), .driver_info = HamaUSBSightcam},
1519 	{USB_DEVICE(0x041e, 0x4018), .driver_info = CreativeVista},
1520 	{USB_DEVICE(0x0733, 0x0110), .driver_info = ViewQuestVQ110},
1521 	{USB_DEVICE(0x0af9, 0x0010), .driver_info = HamaUSBSightcam},
1522 	{USB_DEVICE(0x0af9, 0x0011), .driver_info = HamaUSBSightcam2},
1523 	{USB_DEVICE(0x8086, 0x0110), .driver_info = IntelEasyPCCamera},
1524 	{}
1525 };
1526 MODULE_DEVICE_TABLE(usb, device_table);
1527 
1528 /* -- device connect -- */
sd_probe(struct usb_interface * intf,const struct usb_device_id * id)1529 static int sd_probe(struct usb_interface *intf,
1530 			const struct usb_device_id *id)
1531 {
1532 	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1533 				THIS_MODULE);
1534 }
1535 
1536 static struct usb_driver sd_driver = {
1537 	.name = MODULE_NAME,
1538 	.id_table = device_table,
1539 	.probe = sd_probe,
1540 	.disconnect = gspca_disconnect,
1541 #ifdef CONFIG_PM
1542 	.suspend = gspca_suspend,
1543 	.resume = gspca_resume,
1544 #endif
1545 };
1546 
1547 module_usb_driver(sd_driver);
1548