xref: /openbmc/linux/drivers/media/usb/gspca/sn9c20x.c (revision f8e17c17)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *	Sonix sn9c201 sn9c202 library
4  *
5  * Copyright (C) 2012 Jean-Francois Moine <http://moinejf.free.fr>
6  *	Copyright (C) 2008-2009 microdia project <microdia@googlegroups.com>
7  *	Copyright (C) 2009 Brian Johnson <brijohn@gmail.com>
8  */
9 
10 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
11 
12 #include <linux/input.h>
13 
14 #include "gspca.h"
15 #include "jpeg.h"
16 
17 #include <linux/dmi.h>
18 
19 MODULE_AUTHOR("Brian Johnson <brijohn@gmail.com>, microdia project <microdia@googlegroups.com>");
20 MODULE_DESCRIPTION("GSPCA/SN9C20X USB Camera Driver");
21 MODULE_LICENSE("GPL");
22 
23 /*
24  * Pixel format private data
25  */
26 #define SCALE_MASK	0x0f
27 #define SCALE_160x120	0
28 #define SCALE_320x240	1
29 #define SCALE_640x480	2
30 #define SCALE_1280x1024	3
31 #define MODE_RAW	0x10
32 #define MODE_JPEG	0x20
33 #define MODE_SXGA	0x80
34 
35 #define SENSOR_OV9650	0
36 #define SENSOR_OV9655	1
37 #define SENSOR_SOI968	2
38 #define SENSOR_OV7660	3
39 #define SENSOR_OV7670	4
40 #define SENSOR_MT9V011	5
41 #define SENSOR_MT9V111	6
42 #define SENSOR_MT9V112	7
43 #define SENSOR_MT9M001	8
44 #define SENSOR_MT9M111	9
45 #define SENSOR_MT9M112  10
46 #define SENSOR_HV7131R	11
47 #define SENSOR_MT9VPRB	12
48 
49 /* camera flags */
50 #define HAS_NO_BUTTON	0x1
51 #define LED_REVERSE	0x2 /* some cameras unset gpio to turn on leds */
52 #define FLIP_DETECT	0x4
53 
54 /* specific webcam descriptor */
55 struct sd {
56 	struct gspca_dev gspca_dev;
57 
58 	struct { /* color control cluster */
59 		struct v4l2_ctrl *brightness;
60 		struct v4l2_ctrl *contrast;
61 		struct v4l2_ctrl *saturation;
62 		struct v4l2_ctrl *hue;
63 	};
64 	struct { /* blue/red balance control cluster */
65 		struct v4l2_ctrl *blue;
66 		struct v4l2_ctrl *red;
67 	};
68 	struct { /* h/vflip control cluster */
69 		struct v4l2_ctrl *hflip;
70 		struct v4l2_ctrl *vflip;
71 	};
72 	struct v4l2_ctrl *gamma;
73 	struct { /* autogain and exposure or gain control cluster */
74 		struct v4l2_ctrl *autogain;
75 		struct v4l2_ctrl *exposure;
76 		struct v4l2_ctrl *gain;
77 	};
78 	struct v4l2_ctrl *jpegqual;
79 
80 	struct work_struct work;
81 
82 	u32 pktsz;			/* (used by pkt_scan) */
83 	u16 npkt;
84 	s8 nchg;
85 	u8 fmt;				/* (used for JPEG QTAB update */
86 
87 #define MIN_AVG_LUM 80
88 #define MAX_AVG_LUM 130
89 	atomic_t avg_lum;
90 	u8 old_step;
91 	u8 older_step;
92 	u8 exposure_step;
93 
94 	u8 i2c_addr;
95 	u8 i2c_intf;
96 	u8 sensor;
97 	u8 hstart;
98 	u8 vstart;
99 
100 	u8 jpeg_hdr[JPEG_HDR_SZ];
101 
102 	u8 flags;
103 };
104 
105 static void qual_upd(struct work_struct *work);
106 
107 struct i2c_reg_u8 {
108 	u8 reg;
109 	u8 val;
110 };
111 
112 struct i2c_reg_u16 {
113 	u8 reg;
114 	u16 val;
115 };
116 
117 static const struct dmi_system_id flip_dmi_table[] = {
118 	{
119 		.ident = "MSI MS-1034",
120 		.matches = {
121 			DMI_MATCH(DMI_SYS_VENDOR, "MICRO-STAR INT'L CO.,LTD."),
122 			DMI_MATCH(DMI_PRODUCT_NAME, "MS-1034"),
123 			DMI_MATCH(DMI_PRODUCT_VERSION, "0341")
124 		}
125 	},
126 	{
127 		.ident = "MSI MS-1039",
128 		.matches = {
129 			DMI_MATCH(DMI_SYS_VENDOR, "MICRO-STAR INT'L CO.,LTD."),
130 			DMI_MATCH(DMI_PRODUCT_NAME, "MS-1039"),
131 		}
132 	},
133 	{
134 		.ident = "MSI MS-1632",
135 		.matches = {
136 			DMI_MATCH(DMI_BOARD_VENDOR, "MSI"),
137 			DMI_MATCH(DMI_BOARD_NAME, "MS-1632")
138 		}
139 	},
140 	{
141 		.ident = "MSI MS-1633X",
142 		.matches = {
143 			DMI_MATCH(DMI_BOARD_VENDOR, "MSI"),
144 			DMI_MATCH(DMI_BOARD_NAME, "MS-1633X")
145 		}
146 	},
147 	{
148 		.ident = "MSI MS-1635X",
149 		.matches = {
150 			DMI_MATCH(DMI_BOARD_VENDOR, "MSI"),
151 			DMI_MATCH(DMI_BOARD_NAME, "MS-1635X")
152 		}
153 	},
154 	{
155 		.ident = "ASUSTeK W7J",
156 		.matches = {
157 			DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc."),
158 			DMI_MATCH(DMI_BOARD_NAME, "W7J       ")
159 		}
160 	},
161 	{}
162 };
163 
164 static const struct v4l2_pix_format vga_mode[] = {
165 	{160, 120, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
166 		.bytesperline = 160,
167 		.sizeimage = 160 * 120 * 4 / 8 + 590,
168 		.colorspace = V4L2_COLORSPACE_JPEG,
169 		.priv = SCALE_160x120 | MODE_JPEG},
170 	{160, 120, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
171 		.bytesperline = 160,
172 		.sizeimage = 160 * 120,
173 		.colorspace = V4L2_COLORSPACE_SRGB,
174 		.priv = SCALE_160x120 | MODE_RAW},
175 	{160, 120, V4L2_PIX_FMT_SN9C20X_I420, V4L2_FIELD_NONE,
176 		.bytesperline = 160,
177 		.sizeimage = 240 * 120,
178 		.colorspace = V4L2_COLORSPACE_SRGB,
179 		.priv = SCALE_160x120},
180 	{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
181 		.bytesperline = 320,
182 		.sizeimage = 320 * 240 * 4 / 8 + 590,
183 		.colorspace = V4L2_COLORSPACE_JPEG,
184 		.priv = SCALE_320x240 | MODE_JPEG},
185 	{320, 240, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
186 		.bytesperline = 320,
187 		.sizeimage = 320 * 240 ,
188 		.colorspace = V4L2_COLORSPACE_SRGB,
189 		.priv = SCALE_320x240 | MODE_RAW},
190 	{320, 240, V4L2_PIX_FMT_SN9C20X_I420, V4L2_FIELD_NONE,
191 		.bytesperline = 320,
192 		.sizeimage = 480 * 240 ,
193 		.colorspace = V4L2_COLORSPACE_SRGB,
194 		.priv = SCALE_320x240},
195 	{640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
196 		.bytesperline = 640,
197 		.sizeimage = 640 * 480 * 4 / 8 + 590,
198 		.colorspace = V4L2_COLORSPACE_JPEG,
199 		.priv = SCALE_640x480 | MODE_JPEG},
200 	{640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
201 		.bytesperline = 640,
202 		.sizeimage = 640 * 480,
203 		.colorspace = V4L2_COLORSPACE_SRGB,
204 		.priv = SCALE_640x480 | MODE_RAW},
205 	{640, 480, V4L2_PIX_FMT_SN9C20X_I420, V4L2_FIELD_NONE,
206 		.bytesperline = 640,
207 		.sizeimage = 960 * 480,
208 		.colorspace = V4L2_COLORSPACE_SRGB,
209 		.priv = SCALE_640x480},
210 };
211 
212 static const struct v4l2_pix_format sxga_mode[] = {
213 	{160, 120, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
214 		.bytesperline = 160,
215 		.sizeimage = 160 * 120 * 4 / 8 + 590,
216 		.colorspace = V4L2_COLORSPACE_JPEG,
217 		.priv = SCALE_160x120 | MODE_JPEG},
218 	{160, 120, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
219 		.bytesperline = 160,
220 		.sizeimage = 160 * 120,
221 		.colorspace = V4L2_COLORSPACE_SRGB,
222 		.priv = SCALE_160x120 | MODE_RAW},
223 	{160, 120, V4L2_PIX_FMT_SN9C20X_I420, V4L2_FIELD_NONE,
224 		.bytesperline = 160,
225 		.sizeimage = 240 * 120,
226 		.colorspace = V4L2_COLORSPACE_SRGB,
227 		.priv = SCALE_160x120},
228 	{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
229 		.bytesperline = 320,
230 		.sizeimage = 320 * 240 * 4 / 8 + 590,
231 		.colorspace = V4L2_COLORSPACE_JPEG,
232 		.priv = SCALE_320x240 | MODE_JPEG},
233 	{320, 240, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
234 		.bytesperline = 320,
235 		.sizeimage = 320 * 240 ,
236 		.colorspace = V4L2_COLORSPACE_SRGB,
237 		.priv = SCALE_320x240 | MODE_RAW},
238 	{320, 240, V4L2_PIX_FMT_SN9C20X_I420, V4L2_FIELD_NONE,
239 		.bytesperline = 320,
240 		.sizeimage = 480 * 240 ,
241 		.colorspace = V4L2_COLORSPACE_SRGB,
242 		.priv = SCALE_320x240},
243 	{640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
244 		.bytesperline = 640,
245 		.sizeimage = 640 * 480 * 4 / 8 + 590,
246 		.colorspace = V4L2_COLORSPACE_JPEG,
247 		.priv = SCALE_640x480 | MODE_JPEG},
248 	{640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
249 		.bytesperline = 640,
250 		.sizeimage = 640 * 480,
251 		.colorspace = V4L2_COLORSPACE_SRGB,
252 		.priv = SCALE_640x480 | MODE_RAW},
253 	{640, 480, V4L2_PIX_FMT_SN9C20X_I420, V4L2_FIELD_NONE,
254 		.bytesperline = 640,
255 		.sizeimage = 960 * 480,
256 		.colorspace = V4L2_COLORSPACE_SRGB,
257 		.priv = SCALE_640x480},
258 	{1280, 1024, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
259 		.bytesperline = 1280,
260 		.sizeimage = 1280 * 1024,
261 		.colorspace = V4L2_COLORSPACE_SRGB,
262 		.priv = SCALE_1280x1024 | MODE_RAW | MODE_SXGA},
263 };
264 
265 static const struct v4l2_pix_format mono_mode[] = {
266 	{160, 120, V4L2_PIX_FMT_GREY, V4L2_FIELD_NONE,
267 		.bytesperline = 160,
268 		.sizeimage = 160 * 120,
269 		.colorspace = V4L2_COLORSPACE_SRGB,
270 		.priv = SCALE_160x120 | MODE_RAW},
271 	{320, 240, V4L2_PIX_FMT_GREY, V4L2_FIELD_NONE,
272 		.bytesperline = 320,
273 		.sizeimage = 320 * 240 ,
274 		.colorspace = V4L2_COLORSPACE_SRGB,
275 		.priv = SCALE_320x240 | MODE_RAW},
276 	{640, 480, V4L2_PIX_FMT_GREY, V4L2_FIELD_NONE,
277 		.bytesperline = 640,
278 		.sizeimage = 640 * 480,
279 		.colorspace = V4L2_COLORSPACE_SRGB,
280 		.priv = SCALE_640x480 | MODE_RAW},
281 	{1280, 1024, V4L2_PIX_FMT_GREY, V4L2_FIELD_NONE,
282 		.bytesperline = 1280,
283 		.sizeimage = 1280 * 1024,
284 		.colorspace = V4L2_COLORSPACE_SRGB,
285 		.priv = SCALE_1280x1024 | MODE_RAW | MODE_SXGA},
286 };
287 
288 static const s16 hsv_red_x[] = {
289 	41,  44,  46,  48,  50,  52,  54,  56,
290 	58,  60,  62,  64,  66,  68,  70,  72,
291 	74,  76,  78,  80,  81,  83,  85,  87,
292 	88,  90,  92,  93,  95,  97,  98, 100,
293 	101, 102, 104, 105, 107, 108, 109, 110,
294 	112, 113, 114, 115, 116, 117, 118, 119,
295 	120, 121, 122, 123, 123, 124, 125, 125,
296 	126, 127, 127, 128, 128, 129, 129, 129,
297 	130, 130, 130, 130, 131, 131, 131, 131,
298 	131, 131, 131, 131, 130, 130, 130, 130,
299 	129, 129, 129, 128, 128, 127, 127, 126,
300 	125, 125, 124, 123, 122, 122, 121, 120,
301 	119, 118, 117, 116, 115, 114, 112, 111,
302 	110, 109, 107, 106, 105, 103, 102, 101,
303 	99,  98,  96,  94,  93,  91,  90,  88,
304 	86,  84,  83,  81,  79,  77,  75,  74,
305 	72,  70,  68,  66,  64,  62,  60,  58,
306 	56,  54,  52,  49,  47,  45,  43,  41,
307 	39,  36,  34,  32,  30,  28,  25,  23,
308 	21,  19,  16,  14,  12,   9,   7,   5,
309 	3,   0,  -1,  -3,  -6,  -8, -10, -12,
310 	-15, -17, -19, -22, -24, -26, -28, -30,
311 	-33, -35, -37, -39, -41, -44, -46, -48,
312 	-50, -52, -54, -56, -58, -60, -62, -64,
313 	-66, -68, -70, -72, -74, -76, -78, -80,
314 	-81, -83, -85, -87, -88, -90, -92, -93,
315 	-95, -97, -98, -100, -101, -102, -104, -105,
316 	-107, -108, -109, -110, -112, -113, -114, -115,
317 	-116, -117, -118, -119, -120, -121, -122, -123,
318 	-123, -124, -125, -125, -126, -127, -127, -128,
319 	-128, -128, -128, -128, -128, -128, -128, -128,
320 	-128, -128, -128, -128, -128, -128, -128, -128,
321 	-128, -128, -128, -128, -128, -128, -128, -128,
322 	-128, -127, -127, -126, -125, -125, -124, -123,
323 	-122, -122, -121, -120, -119, -118, -117, -116,
324 	-115, -114, -112, -111, -110, -109, -107, -106,
325 	-105, -103, -102, -101, -99, -98, -96, -94,
326 	-93, -91, -90, -88, -86, -84, -83, -81,
327 	-79, -77, -75, -74, -72, -70, -68, -66,
328 	-64, -62, -60, -58, -56, -54, -52, -49,
329 	-47, -45, -43, -41, -39, -36, -34, -32,
330 	-30, -28, -25, -23, -21, -19, -16, -14,
331 	-12,  -9,  -7,  -5,  -3,   0,   1,   3,
332 	6,   8,  10,  12,  15,  17,  19,  22,
333 	24,  26,  28,  30,  33,  35,  37,  39, 41
334 };
335 
336 static const s16 hsv_red_y[] = {
337 	82,  80,  78,  76,  74,  73,  71,  69,
338 	67,  65,  63,  61,  58,  56,  54,  52,
339 	50,  48,  46,  44,  41,  39,  37,  35,
340 	32,  30,  28,  26,  23,  21,  19,  16,
341 	14,  12,  10,   7,   5,   3,   0,  -1,
342 	-3,  -6,  -8, -10, -13, -15, -17, -19,
343 	-22, -24, -26, -29, -31, -33, -35, -38,
344 	-40, -42, -44, -46, -48, -51, -53, -55,
345 	-57, -59, -61, -63, -65, -67, -69, -71,
346 	-73, -75, -77, -79, -81, -82, -84, -86,
347 	-88, -89, -91, -93, -94, -96, -98, -99,
348 	-101, -102, -104, -105, -106, -108, -109, -110,
349 	-112, -113, -114, -115, -116, -117, -119, -120,
350 	-120, -121, -122, -123, -124, -125, -126, -126,
351 	-127, -128, -128, -128, -128, -128, -128, -128,
352 	-128, -128, -128, -128, -128, -128, -128, -128,
353 	-128, -128, -128, -128, -128, -128, -128, -128,
354 	-128, -128, -128, -128, -128, -128, -128, -128,
355 	-127, -127, -126, -125, -125, -124, -123, -122,
356 	-121, -120, -119, -118, -117, -116, -115, -114,
357 	-113, -111, -110, -109, -107, -106, -105, -103,
358 	-102, -100, -99, -97, -96, -94, -92, -91,
359 	-89, -87, -85, -84, -82, -80, -78, -76,
360 	-74, -73, -71, -69, -67, -65, -63, -61,
361 	-58, -56, -54, -52, -50, -48, -46, -44,
362 	-41, -39, -37, -35, -32, -30, -28, -26,
363 	-23, -21, -19, -16, -14, -12, -10,  -7,
364 	-5,  -3,   0,   1,   3,   6,   8,  10,
365 	13,  15,  17,  19,  22,  24,  26,  29,
366 	31,  33,  35,  38,  40,  42,  44,  46,
367 	48,  51,  53,  55,  57,  59,  61,  63,
368 	65,  67,  69,  71,  73,  75,  77,  79,
369 	81,  82,  84,  86,  88,  89,  91,  93,
370 	94,  96,  98,  99, 101, 102, 104, 105,
371 	106, 108, 109, 110, 112, 113, 114, 115,
372 	116, 117, 119, 120, 120, 121, 122, 123,
373 	124, 125, 126, 126, 127, 128, 128, 129,
374 	129, 130, 130, 131, 131, 131, 131, 132,
375 	132, 132, 132, 132, 132, 132, 132, 132,
376 	132, 132, 132, 131, 131, 131, 130, 130,
377 	130, 129, 129, 128, 127, 127, 126, 125,
378 	125, 124, 123, 122, 121, 120, 119, 118,
379 	117, 116, 115, 114, 113, 111, 110, 109,
380 	107, 106, 105, 103, 102, 100,  99,  97,
381 	96, 94, 92, 91, 89, 87, 85, 84, 82
382 };
383 
384 static const s16 hsv_green_x[] = {
385 	-124, -124, -125, -125, -125, -125, -125, -125,
386 	-125, -126, -126, -125, -125, -125, -125, -125,
387 	-125, -124, -124, -124, -123, -123, -122, -122,
388 	-121, -121, -120, -120, -119, -118, -117, -117,
389 	-116, -115, -114, -113, -112, -111, -110, -109,
390 	-108, -107, -105, -104, -103, -102, -100, -99,
391 	-98, -96, -95, -93, -92, -91, -89, -87,
392 	-86, -84, -83, -81, -79, -77, -76, -74,
393 	-72, -70, -69, -67, -65, -63, -61, -59,
394 	-57, -55, -53, -51, -49, -47, -45, -43,
395 	-41, -39, -37, -35, -33, -30, -28, -26,
396 	-24, -22, -20, -18, -15, -13, -11,  -9,
397 	-7,  -4,  -2,   0,   1,   3,   6,   8,
398 	10,  12,  14,  17,  19,  21,  23,  25,
399 	27,  29,  32,  34,  36,  38,  40,  42,
400 	44,  46,  48,  50,  52,  54,  56,  58,
401 	60,  62,  64,  66,  68,  70,  71,  73,
402 	75,  77,  78,  80,  82,  83,  85,  87,
403 	88,  90,  91,  93,  94,  96,  97,  98,
404 	100, 101, 102, 104, 105, 106, 107, 108,
405 	109, 111, 112, 113, 113, 114, 115, 116,
406 	117, 118, 118, 119, 120, 120, 121, 122,
407 	122, 123, 123, 124, 124, 124, 125, 125,
408 	125, 125, 125, 125, 125, 126, 126, 125,
409 	125, 125, 125, 125, 125, 124, 124, 124,
410 	123, 123, 122, 122, 121, 121, 120, 120,
411 	119, 118, 117, 117, 116, 115, 114, 113,
412 	112, 111, 110, 109, 108, 107, 105, 104,
413 	103, 102, 100,  99,  98,  96,  95,  93,
414 	92,  91,  89,  87,  86,  84,  83,  81,
415 	79,  77,  76,  74,  72,  70,  69,  67,
416 	65,  63,  61,  59,  57,  55,  53,  51,
417 	49,  47,  45,  43,  41,  39,  37,  35,
418 	33,  30,  28,  26,  24,  22,  20,  18,
419 	15,  13,  11,   9,   7,   4,   2,   0,
420 	-1,  -3,  -6,  -8, -10, -12, -14, -17,
421 	-19, -21, -23, -25, -27, -29, -32, -34,
422 	-36, -38, -40, -42, -44, -46, -48, -50,
423 	-52, -54, -56, -58, -60, -62, -64, -66,
424 	-68, -70, -71, -73, -75, -77, -78, -80,
425 	-82, -83, -85, -87, -88, -90, -91, -93,
426 	-94, -96, -97, -98, -100, -101, -102, -104,
427 	-105, -106, -107, -108, -109, -111, -112, -113,
428 	-113, -114, -115, -116, -117, -118, -118, -119,
429 	-120, -120, -121, -122, -122, -123, -123, -124, -124
430 };
431 
432 static const s16 hsv_green_y[] = {
433 	-100, -99, -98, -97, -95, -94, -93, -91,
434 	-90, -89, -87, -86, -84, -83, -81, -80,
435 	-78, -76, -75, -73, -71, -70, -68, -66,
436 	-64, -63, -61, -59, -57, -55, -53, -51,
437 	-49, -48, -46, -44, -42, -40, -38, -36,
438 	-34, -32, -30, -27, -25, -23, -21, -19,
439 	-17, -15, -13, -11,  -9,  -7,  -4,  -2,
440 	0,   1,   3,   5,   7,   9,  11,  14,
441 	16,  18,  20,  22,  24,  26,  28,  30,
442 	32,  34,  36,  38,  40,  42,  44,  46,
443 	48,  50,  52,  54,  56,  58,  59,  61,
444 	63,  65,  67,  68,  70,  72,  74,  75,
445 	77,  78,  80,  82,  83,  85,  86,  88,
446 	89,  90,  92,  93,  95,  96,  97,  98,
447 	100, 101, 102, 103, 104, 105, 106, 107,
448 	108, 109, 110, 111, 112, 112, 113, 114,
449 	115, 115, 116, 116, 117, 117, 118, 118,
450 	119, 119, 119, 120, 120, 120, 120, 120,
451 	121, 121, 121, 121, 121, 121, 120, 120,
452 	120, 120, 120, 119, 119, 119, 118, 118,
453 	117, 117, 116, 116, 115, 114, 114, 113,
454 	112, 111, 111, 110, 109, 108, 107, 106,
455 	105, 104, 103, 102, 100,  99,  98,  97,
456 	95,  94,  93,  91,  90,  89,  87,  86,
457 	84,  83,  81,  80,  78,  76,  75,  73,
458 	71,  70,  68,  66,  64,  63,  61,  59,
459 	57,  55,  53,  51,  49,  48,  46,  44,
460 	42,  40,  38,  36,  34,  32,  30,  27,
461 	25,  23,  21,  19,  17,  15,  13,  11,
462 	9,   7,   4,   2,   0,  -1,  -3,  -5,
463 	-7,  -9, -11, -14, -16, -18, -20, -22,
464 	-24, -26, -28, -30, -32, -34, -36, -38,
465 	-40, -42, -44, -46, -48, -50, -52, -54,
466 	-56, -58, -59, -61, -63, -65, -67, -68,
467 	-70, -72, -74, -75, -77, -78, -80, -82,
468 	-83, -85, -86, -88, -89, -90, -92, -93,
469 	-95, -96, -97, -98, -100, -101, -102, -103,
470 	-104, -105, -106, -107, -108, -109, -110, -111,
471 	-112, -112, -113, -114, -115, -115, -116, -116,
472 	-117, -117, -118, -118, -119, -119, -119, -120,
473 	-120, -120, -120, -120, -121, -121, -121, -121,
474 	-121, -121, -120, -120, -120, -120, -120, -119,
475 	-119, -119, -118, -118, -117, -117, -116, -116,
476 	-115, -114, -114, -113, -112, -111, -111, -110,
477 	-109, -108, -107, -106, -105, -104, -103, -102, -100
478 };
479 
480 static const s16 hsv_blue_x[] = {
481 	112, 113, 114, 114, 115, 116, 117, 117,
482 	118, 118, 119, 119, 120, 120, 120, 121,
483 	121, 121, 122, 122, 122, 122, 122, 122,
484 	122, 122, 122, 122, 122, 122, 121, 121,
485 	121, 120, 120, 120, 119, 119, 118, 118,
486 	117, 116, 116, 115, 114, 113, 113, 112,
487 	111, 110, 109, 108, 107, 106, 105, 104,
488 	103, 102, 100,  99,  98,  97,  95,  94,
489 	93,  91,  90,  88,  87,  85,  84,  82,
490 	80,  79,  77,  76,  74,  72,  70,  69,
491 	67,  65,  63,  61,  60,  58,  56,  54,
492 	52,  50,  48,  46,  44,  42,  40,  38,
493 	36,  34,  32,  30,  28,  26,  24,  22,
494 	19,  17,  15,  13,  11,   9,   7,   5,
495 	2,   0,  -1,  -3,  -5,  -7,  -9, -12,
496 	-14, -16, -18, -20, -22, -24, -26, -28,
497 	-31, -33, -35, -37, -39, -41, -43, -45,
498 	-47, -49, -51, -53, -54, -56, -58, -60,
499 	-62, -64, -66, -67, -69, -71, -73, -74,
500 	-76, -78, -79, -81, -83, -84, -86, -87,
501 	-89, -90, -92, -93, -94, -96, -97, -98,
502 	-99, -101, -102, -103, -104, -105, -106, -107,
503 	-108, -109, -110, -111, -112, -113, -114, -114,
504 	-115, -116, -117, -117, -118, -118, -119, -119,
505 	-120, -120, -120, -121, -121, -121, -122, -122,
506 	-122, -122, -122, -122, -122, -122, -122, -122,
507 	-122, -122, -121, -121, -121, -120, -120, -120,
508 	-119, -119, -118, -118, -117, -116, -116, -115,
509 	-114, -113, -113, -112, -111, -110, -109, -108,
510 	-107, -106, -105, -104, -103, -102, -100, -99,
511 	-98, -97, -95, -94, -93, -91, -90, -88,
512 	-87, -85, -84, -82, -80, -79, -77, -76,
513 	-74, -72, -70, -69, -67, -65, -63, -61,
514 	-60, -58, -56, -54, -52, -50, -48, -46,
515 	-44, -42, -40, -38, -36, -34, -32, -30,
516 	-28, -26, -24, -22, -19, -17, -15, -13,
517 	-11,  -9,  -7,  -5,  -2,   0,   1,   3,
518 	5,   7,   9,  12,  14,  16,  18,  20,
519 	22,  24,  26,  28,  31,  33,  35,  37,
520 	39,  41,  43,  45,  47,  49,  51,  53,
521 	54,  56,  58,  60,  62,  64,  66,  67,
522 	69,  71,  73,  74,  76,  78,  79,  81,
523 	83,  84,  86,  87,  89,  90,  92,  93,
524 	94,  96,  97,  98,  99, 101, 102, 103,
525 	104, 105, 106, 107, 108, 109, 110, 111, 112
526 };
527 
528 static const s16 hsv_blue_y[] = {
529 	-11, -13, -15, -17, -19, -21, -23, -25,
530 	-27, -29, -31, -33, -35, -37, -39, -41,
531 	-43, -45, -46, -48, -50, -52, -54, -55,
532 	-57, -59, -61, -62, -64, -66, -67, -69,
533 	-71, -72, -74, -75, -77, -78, -80, -81,
534 	-83, -84, -86, -87, -88, -90, -91, -92,
535 	-93, -95, -96, -97, -98, -99, -100, -101,
536 	-102, -103, -104, -105, -106, -106, -107, -108,
537 	-109, -109, -110, -111, -111, -112, -112, -113,
538 	-113, -114, -114, -114, -115, -115, -115, -115,
539 	-116, -116, -116, -116, -116, -116, -116, -116,
540 	-116, -115, -115, -115, -115, -114, -114, -114,
541 	-113, -113, -112, -112, -111, -111, -110, -110,
542 	-109, -108, -108, -107, -106, -105, -104, -103,
543 	-102, -101, -100, -99, -98, -97, -96, -95,
544 	-94, -93, -91, -90, -89, -88, -86, -85,
545 	-84, -82, -81, -79, -78, -76, -75, -73,
546 	-71, -70, -68, -67, -65, -63, -62, -60,
547 	-58, -56, -55, -53, -51, -49, -47, -45,
548 	-44, -42, -40, -38, -36, -34, -32, -30,
549 	-28, -26, -24, -22, -20, -18, -16, -14,
550 	-12, -10,  -8,  -6,  -4,  -2,   0,   1,
551 	3,   5,   7,   9,  11,  13,  15,  17,
552 	19,  21,  23,  25,  27,  29,  31,  33,
553 	35,  37,  39,  41,  43,  45,  46,  48,
554 	50,  52,  54,  55,  57,  59,  61,  62,
555 	64,  66,  67,  69,  71,  72,  74,  75,
556 	77,  78,  80,  81,  83,  84,  86,  87,
557 	88,  90,  91,  92,  93,  95,  96,  97,
558 	98,  99, 100, 101, 102, 103, 104, 105,
559 	106, 106, 107, 108, 109, 109, 110, 111,
560 	111, 112, 112, 113, 113, 114, 114, 114,
561 	115, 115, 115, 115, 116, 116, 116, 116,
562 	116, 116, 116, 116, 116, 115, 115, 115,
563 	115, 114, 114, 114, 113, 113, 112, 112,
564 	111, 111, 110, 110, 109, 108, 108, 107,
565 	106, 105, 104, 103, 102, 101, 100,  99,
566 	98,  97,  96,  95,  94,  93,  91,  90,
567 	89,  88,  86,  85,  84,  82,  81,  79,
568 	78,  76,  75,  73,  71,  70,  68,  67,
569 	65,  63,  62,  60,  58,  56,  55,  53,
570 	51,  49,  47,  45,  44,  42,  40,  38,
571 	36,  34,  32,  30,  28,  26,  24,  22,
572 	20,  18,  16,  14,  12,  10,   8,   6,
573 	4,   2,   0,  -1,  -3,  -5,  -7,  -9, -11
574 };
575 
576 static const u16 bridge_init[][2] = {
577 	{0x1000, 0x78}, {0x1001, 0x40}, {0x1002, 0x1c},
578 	{0x1020, 0x80}, {0x1061, 0x01}, {0x1067, 0x40},
579 	{0x1068, 0x30}, {0x1069, 0x20},	{0x106a, 0x10},
580 	{0x106b, 0x08},	{0x1188, 0x87},	{0x11a1, 0x00},
581 	{0x11a2, 0x00},	{0x11a3, 0x6a},	{0x11a4, 0x50},
582 	{0x11ab, 0x00},	{0x11ac, 0x00},	{0x11ad, 0x50},
583 	{0x11ae, 0x3c},	{0x118a, 0x04},	{0x0395, 0x04},
584 	{0x11b8, 0x3a},	{0x118b, 0x0e},	{0x10f7, 0x05},
585 	{0x10f8, 0x14},	{0x10fa, 0xff},	{0x10f9, 0x00},
586 	{0x11ba, 0x0a},	{0x11a5, 0x2d},	{0x11a6, 0x2d},
587 	{0x11a7, 0x3a},	{0x11a8, 0x05},	{0x11a9, 0x04},
588 	{0x11aa, 0x3f},	{0x11af, 0x28},	{0x11b0, 0xd8},
589 	{0x11b1, 0x14},	{0x11b2, 0xec},	{0x11b3, 0x32},
590 	{0x11b4, 0xdd},	{0x11b5, 0x32},	{0x11b6, 0xdd},
591 	{0x10e0, 0x2c},	{0x11bc, 0x40},	{0x11bd, 0x01},
592 	{0x11be, 0xf0},	{0x11bf, 0x00},	{0x118c, 0x1f},
593 	{0x118d, 0x1f},	{0x118e, 0x1f},	{0x118f, 0x1f},
594 	{0x1180, 0x01},	{0x1181, 0x00},	{0x1182, 0x01},
595 	{0x1183, 0x00},	{0x1184, 0x50},	{0x1185, 0x80},
596 	{0x1007, 0x00}
597 };
598 
599 /* Gain = (bit[3:0] / 16 + 1) * (bit[4] + 1) * (bit[5] + 1) * (bit[6] + 1) */
600 static const u8 ov_gain[] = {
601 	0x00 /* 1x */, 0x04 /* 1.25x */, 0x08 /* 1.5x */, 0x0c /* 1.75x */,
602 	0x10 /* 2x */, 0x12 /* 2.25x */, 0x14 /* 2.5x */, 0x16 /* 2.75x */,
603 	0x18 /* 3x */, 0x1a /* 3.25x */, 0x1c /* 3.5x */, 0x1e /* 3.75x */,
604 	0x30 /* 4x */, 0x31 /* 4.25x */, 0x32 /* 4.5x */, 0x33 /* 4.75x */,
605 	0x34 /* 5x */, 0x35 /* 5.25x */, 0x36 /* 5.5x */, 0x37 /* 5.75x */,
606 	0x38 /* 6x */, 0x39 /* 6.25x */, 0x3a /* 6.5x */, 0x3b /* 6.75x */,
607 	0x3c /* 7x */, 0x3d /* 7.25x */, 0x3e /* 7.5x */, 0x3f /* 7.75x */,
608 	0x70 /* 8x */
609 };
610 
611 /* Gain = (bit[8] + 1) * (bit[7] + 1) * (bit[6:0] * 0.03125) */
612 static const u16 micron1_gain[] = {
613 	/* 1x   1.25x   1.5x    1.75x */
614 	0x0020, 0x0028, 0x0030, 0x0038,
615 	/* 2x   2.25x   2.5x    2.75x */
616 	0x00a0, 0x00a4, 0x00a8, 0x00ac,
617 	/* 3x   3.25x   3.5x    3.75x */
618 	0x00b0, 0x00b4, 0x00b8, 0x00bc,
619 	/* 4x   4.25x   4.5x    4.75x */
620 	0x00c0, 0x00c4, 0x00c8, 0x00cc,
621 	/* 5x   5.25x   5.5x    5.75x */
622 	0x00d0, 0x00d4, 0x00d8, 0x00dc,
623 	/* 6x   6.25x   6.5x    6.75x */
624 	0x00e0, 0x00e4, 0x00e8, 0x00ec,
625 	/* 7x   7.25x   7.5x    7.75x */
626 	0x00f0, 0x00f4, 0x00f8, 0x00fc,
627 	/* 8x */
628 	0x01c0
629 };
630 
631 /* mt9m001 sensor uses a different gain formula then other micron sensors */
632 /* Gain = (bit[6] + 1) * (bit[5-0] * 0.125) */
633 static const u16 micron2_gain[] = {
634 	/* 1x   1.25x   1.5x    1.75x */
635 	0x0008, 0x000a, 0x000c, 0x000e,
636 	/* 2x   2.25x   2.5x    2.75x */
637 	0x0010, 0x0012, 0x0014, 0x0016,
638 	/* 3x   3.25x   3.5x    3.75x */
639 	0x0018, 0x001a, 0x001c, 0x001e,
640 	/* 4x   4.25x   4.5x    4.75x */
641 	0x0020, 0x0051, 0x0052, 0x0053,
642 	/* 5x   5.25x   5.5x    5.75x */
643 	0x0054, 0x0055, 0x0056, 0x0057,
644 	/* 6x   6.25x   6.5x    6.75x */
645 	0x0058, 0x0059, 0x005a, 0x005b,
646 	/* 7x   7.25x   7.5x    7.75x */
647 	0x005c, 0x005d, 0x005e, 0x005f,
648 	/* 8x */
649 	0x0060
650 };
651 
652 /* Gain = .5 + bit[7:0] / 16 */
653 static const u8 hv7131r_gain[] = {
654 	0x08 /* 1x */, 0x0c /* 1.25x */, 0x10 /* 1.5x */, 0x14 /* 1.75x */,
655 	0x18 /* 2x */, 0x1c /* 2.25x */, 0x20 /* 2.5x */, 0x24 /* 2.75x */,
656 	0x28 /* 3x */, 0x2c /* 3.25x */, 0x30 /* 3.5x */, 0x34 /* 3.75x */,
657 	0x38 /* 4x */, 0x3c /* 4.25x */, 0x40 /* 4.5x */, 0x44 /* 4.75x */,
658 	0x48 /* 5x */, 0x4c /* 5.25x */, 0x50 /* 5.5x */, 0x54 /* 5.75x */,
659 	0x58 /* 6x */, 0x5c /* 6.25x */, 0x60 /* 6.5x */, 0x64 /* 6.75x */,
660 	0x68 /* 7x */, 0x6c /* 7.25x */, 0x70 /* 7.5x */, 0x74 /* 7.75x */,
661 	0x78 /* 8x */
662 };
663 
664 static const struct i2c_reg_u8 soi968_init[] = {
665 	{0x0c, 0x00}, {0x0f, 0x1f},
666 	{0x11, 0x80}, {0x38, 0x52}, {0x1e, 0x00},
667 	{0x33, 0x08}, {0x35, 0x8c}, {0x36, 0x0c},
668 	{0x37, 0x04}, {0x45, 0x04}, {0x47, 0xff},
669 	{0x3e, 0x00}, {0x3f, 0x00}, {0x3b, 0x20},
670 	{0x3a, 0x96}, {0x3d, 0x0a}, {0x14, 0x8e},
671 	{0x13, 0x8b}, {0x12, 0x40}, {0x17, 0x13},
672 	{0x18, 0x63}, {0x19, 0x01}, {0x1a, 0x79},
673 	{0x32, 0x24}, {0x03, 0x00}, {0x11, 0x40},
674 	{0x2a, 0x10}, {0x2b, 0xe0}, {0x10, 0x32},
675 	{0x00, 0x00}, {0x01, 0x80}, {0x02, 0x80},
676 };
677 
678 static const struct i2c_reg_u8 ov7660_init[] = {
679 	{0x0e, 0x80}, {0x0d, 0x08}, {0x0f, 0xc3},
680 	{0x04, 0xc3}, {0x10, 0x40}, {0x11, 0x40},
681 	{0x12, 0x05}, {0x13, 0xba}, {0x14, 0x2a},
682 	/* HDG Set hstart and hstop, datasheet default 0x11, 0x61, using
683 	   0x10, 0x61 and sd->hstart, vstart = 3, fixes ugly colored borders */
684 	{0x17, 0x10}, {0x18, 0x61},
685 	{0x37, 0x0f}, {0x38, 0x02}, {0x39, 0x43},
686 	{0x3a, 0x00}, {0x69, 0x90}, {0x2d, 0x00},
687 	{0x2e, 0x00}, {0x01, 0x78}, {0x02, 0x50},
688 };
689 
690 static const struct i2c_reg_u8 ov7670_init[] = {
691 	{0x11, 0x80}, {0x3a, 0x04}, {0x12, 0x01},
692 	{0x32, 0xb6}, {0x03, 0x0a}, {0x0c, 0x00}, {0x3e, 0x00},
693 	{0x70, 0x3a}, {0x71, 0x35}, {0x72, 0x11}, {0x73, 0xf0},
694 	{0xa2, 0x02}, {0x13, 0xe0}, {0x00, 0x00}, {0x10, 0x00},
695 	{0x0d, 0x40}, {0x14, 0x28}, {0xa5, 0x05}, {0xab, 0x07},
696 	{0x24, 0x95}, {0x25, 0x33}, {0x26, 0xe3}, {0x9f, 0x75},
697 	{0xa0, 0x65}, {0xa1, 0x0b}, {0xa6, 0xd8}, {0xa7, 0xd8},
698 	{0xa8, 0xf0}, {0xa9, 0x90}, {0xaa, 0x94}, {0x13, 0xe5},
699 	{0x0e, 0x61}, {0x0f, 0x4b}, {0x16, 0x02}, {0x1e, 0x27},
700 	{0x21, 0x02}, {0x22, 0x91}, {0x29, 0x07}, {0x33, 0x0b},
701 	{0x35, 0x0b}, {0x37, 0x1d}, {0x38, 0x71}, {0x39, 0x2a},
702 	{0x3c, 0x78}, {0x4d, 0x40}, {0x4e, 0x20}, {0x69, 0x00},
703 	{0x74, 0x19}, {0x8d, 0x4f}, {0x8e, 0x00}, {0x8f, 0x00},
704 	{0x90, 0x00}, {0x91, 0x00}, {0x96, 0x00}, {0x9a, 0x80},
705 	{0xb0, 0x84}, {0xb1, 0x0c}, {0xb2, 0x0e}, {0xb3, 0x82},
706 	{0xb8, 0x0a}, {0x43, 0x0a}, {0x44, 0xf0}, {0x45, 0x20},
707 	{0x46, 0x7d}, {0x47, 0x29}, {0x48, 0x4a}, {0x59, 0x8c},
708 	{0x5a, 0xa5}, {0x5b, 0xde}, {0x5c, 0x96}, {0x5d, 0x66},
709 	{0x5e, 0x10}, {0x6c, 0x0a}, {0x6d, 0x55}, {0x6e, 0x11},
710 	{0x6f, 0x9e}, {0x6a, 0x40}, {0x01, 0x40}, {0x02, 0x40},
711 	{0x13, 0xe7}, {0x4f, 0x6e}, {0x50, 0x70}, {0x51, 0x02},
712 	{0x52, 0x1d}, {0x53, 0x56}, {0x54, 0x73}, {0x55, 0x0a},
713 	{0x56, 0x55}, {0x57, 0x80}, {0x58, 0x9e}, {0x41, 0x08},
714 	{0x3f, 0x02}, {0x75, 0x03}, {0x76, 0x63}, {0x4c, 0x04},
715 	{0x77, 0x06}, {0x3d, 0x02}, {0x4b, 0x09}, {0xc9, 0x30},
716 	{0x41, 0x08}, {0x56, 0x48}, {0x34, 0x11}, {0xa4, 0x88},
717 	{0x96, 0x00}, {0x97, 0x30}, {0x98, 0x20}, {0x99, 0x30},
718 	{0x9a, 0x84}, {0x9b, 0x29}, {0x9c, 0x03}, {0x9d, 0x99},
719 	{0x9e, 0x7f}, {0x78, 0x04}, {0x79, 0x01}, {0xc8, 0xf0},
720 	{0x79, 0x0f}, {0xc8, 0x00}, {0x79, 0x10}, {0xc8, 0x7e},
721 	{0x79, 0x0a}, {0xc8, 0x80}, {0x79, 0x0b}, {0xc8, 0x01},
722 	{0x79, 0x0c}, {0xc8, 0x0f}, {0x79, 0x0d}, {0xc8, 0x20},
723 	{0x79, 0x09}, {0xc8, 0x80}, {0x79, 0x02}, {0xc8, 0xc0},
724 	{0x79, 0x03}, {0xc8, 0x40}, {0x79, 0x05}, {0xc8, 0x30},
725 	{0x79, 0x26}, {0x62, 0x20}, {0x63, 0x00}, {0x64, 0x06},
726 	{0x65, 0x00}, {0x66, 0x05}, {0x94, 0x05}, {0x95, 0x0a},
727 	{0x17, 0x13}, {0x18, 0x01}, {0x19, 0x02}, {0x1a, 0x7a},
728 	{0x46, 0x59}, {0x47, 0x30}, {0x58, 0x9a}, {0x59, 0x84},
729 	{0x5a, 0x91}, {0x5b, 0x57}, {0x5c, 0x75}, {0x5d, 0x6d},
730 	{0x5e, 0x13}, {0x64, 0x07}, {0x94, 0x07}, {0x95, 0x0d},
731 	{0xa6, 0xdf}, {0xa7, 0xdf}, {0x48, 0x4d}, {0x51, 0x00},
732 	{0x6b, 0x0a}, {0x11, 0x80}, {0x2a, 0x00}, {0x2b, 0x00},
733 	{0x92, 0x00}, {0x93, 0x00}, {0x55, 0x0a}, {0x56, 0x60},
734 	{0x4f, 0x6e}, {0x50, 0x70}, {0x51, 0x00}, {0x52, 0x1d},
735 	{0x53, 0x56}, {0x54, 0x73}, {0x58, 0x9a}, {0x4f, 0x6e},
736 	{0x50, 0x70}, {0x51, 0x00}, {0x52, 0x1d}, {0x53, 0x56},
737 	{0x54, 0x73}, {0x58, 0x9a}, {0x3f, 0x01}, {0x7b, 0x03},
738 	{0x7c, 0x09}, {0x7d, 0x16}, {0x7e, 0x38}, {0x7f, 0x47},
739 	{0x80, 0x53}, {0x81, 0x5e}, {0x82, 0x6a}, {0x83, 0x74},
740 	{0x84, 0x80}, {0x85, 0x8c}, {0x86, 0x9b}, {0x87, 0xb2},
741 	{0x88, 0xcc}, {0x89, 0xe5}, {0x7a, 0x24}, {0x3b, 0x00},
742 	{0x9f, 0x76}, {0xa0, 0x65}, {0x13, 0xe2}, {0x6b, 0x0a},
743 	{0x11, 0x80}, {0x2a, 0x00}, {0x2b, 0x00}, {0x92, 0x00},
744 	{0x93, 0x00},
745 };
746 
747 static const struct i2c_reg_u8 ov9650_init[] = {
748 	{0x00, 0x00}, {0x01, 0x78},
749 	{0x02, 0x78}, {0x03, 0x36}, {0x04, 0x03},
750 	{0x05, 0x00}, {0x06, 0x00}, {0x08, 0x00},
751 	{0x09, 0x01}, {0x0c, 0x00}, {0x0d, 0x00},
752 	{0x0e, 0xa0}, {0x0f, 0x52}, {0x10, 0x7c},
753 	{0x11, 0x80}, {0x12, 0x45}, {0x13, 0xc2},
754 	{0x14, 0x2e}, {0x15, 0x00}, {0x16, 0x07},
755 	{0x17, 0x24}, {0x18, 0xc5}, {0x19, 0x00},
756 	{0x1a, 0x3c}, {0x1b, 0x00}, {0x1e, 0x04},
757 	{0x1f, 0x00}, {0x24, 0x78}, {0x25, 0x68},
758 	{0x26, 0xd4}, {0x27, 0x80}, {0x28, 0x80},
759 	{0x29, 0x30}, {0x2a, 0x00}, {0x2b, 0x00},
760 	{0x2c, 0x80}, {0x2d, 0x00}, {0x2e, 0x00},
761 	{0x2f, 0x00}, {0x30, 0x08}, {0x31, 0x30},
762 	{0x32, 0x84}, {0x33, 0xe2}, {0x34, 0xbf},
763 	{0x35, 0x81}, {0x36, 0xf9}, {0x37, 0x00},
764 	{0x38, 0x93}, {0x39, 0x50}, {0x3a, 0x01},
765 	{0x3b, 0x01}, {0x3c, 0x73}, {0x3d, 0x19},
766 	{0x3e, 0x0b}, {0x3f, 0x80}, {0x40, 0xc1},
767 	{0x41, 0x00}, {0x42, 0x08}, {0x67, 0x80},
768 	{0x68, 0x80}, {0x69, 0x40}, {0x6a, 0x00},
769 	{0x6b, 0x0a}, {0x8b, 0x06}, {0x8c, 0x20},
770 	{0x8d, 0x00}, {0x8e, 0x00}, {0x8f, 0xdf},
771 	{0x92, 0x00}, {0x93, 0x00}, {0x94, 0x88},
772 	{0x95, 0x88}, {0x96, 0x04}, {0xa1, 0x00},
773 	{0xa5, 0x80}, {0xa8, 0x80}, {0xa9, 0xb8},
774 	{0xaa, 0x92}, {0xab, 0x0a},
775 };
776 
777 static const struct i2c_reg_u8 ov9655_init[] = {
778 	{0x0e, 0x61}, {0x11, 0x80}, {0x13, 0xba},
779 	{0x14, 0x2e}, {0x16, 0x24}, {0x1e, 0x04}, {0x27, 0x08},
780 	{0x28, 0x08}, {0x29, 0x15}, {0x2c, 0x08}, {0x34, 0x3d},
781 	{0x35, 0x00}, {0x38, 0x12}, {0x0f, 0x42}, {0x39, 0x57},
782 	{0x3a, 0x00}, {0x3b, 0xcc}, {0x3c, 0x0c}, {0x3d, 0x19},
783 	{0x3e, 0x0c}, {0x3f, 0x01}, {0x41, 0x40}, {0x42, 0x80},
784 	{0x45, 0x46}, {0x46, 0x62}, {0x47, 0x2a}, {0x48, 0x3c},
785 	{0x4a, 0xf0}, {0x4b, 0xdc}, {0x4c, 0xdc}, {0x4d, 0xdc},
786 	{0x4e, 0xdc}, {0x6c, 0x04}, {0x6f, 0x9e}, {0x70, 0x05},
787 	{0x71, 0x78}, {0x77, 0x02}, {0x8a, 0x23}, {0x90, 0x7e},
788 	{0x91, 0x7c}, {0x9f, 0x6e}, {0xa0, 0x6e}, {0xa5, 0x68},
789 	{0xa6, 0x60}, {0xa8, 0xc1}, {0xa9, 0xfa}, {0xaa, 0x92},
790 	{0xab, 0x04}, {0xac, 0x80}, {0xad, 0x80}, {0xae, 0x80},
791 	{0xaf, 0x80}, {0xb2, 0xf2}, {0xb3, 0x20}, {0xb5, 0x00},
792 	{0xb6, 0xaf}, {0xbb, 0xae}, {0xbc, 0x44}, {0xbd, 0x44},
793 	{0xbe, 0x3b}, {0xbf, 0x3a}, {0xc1, 0xc8}, {0xc2, 0x01},
794 	{0xc4, 0x00}, {0xc6, 0x85}, {0xc7, 0x81}, {0xc9, 0xe0},
795 	{0xca, 0xe8}, {0xcc, 0xd8}, {0xcd, 0x93}, {0x2d, 0x00},
796 	{0x2e, 0x00}, {0x01, 0x80}, {0x02, 0x80}, {0x12, 0x61},
797 	{0x36, 0xfa}, {0x8c, 0x8d}, {0xc0, 0xaa}, {0x69, 0x0a},
798 	{0x03, 0x09}, {0x17, 0x16}, {0x18, 0x6e}, {0x19, 0x01},
799 	{0x1a, 0x3e}, {0x32, 0x09}, {0x2a, 0x10}, {0x2b, 0x0a},
800 	{0x92, 0x00}, {0x93, 0x00}, {0xa1, 0x00}, {0x10, 0x7c},
801 	{0x04, 0x03}, {0x00, 0x13},
802 };
803 
804 static const struct i2c_reg_u16 mt9v112_init[] = {
805 	{0xf0, 0x0000}, {0x0d, 0x0021}, {0x0d, 0x0020},
806 	{0x34, 0xc019}, {0x0a, 0x0011}, {0x0b, 0x000b},
807 	{0x20, 0x0703}, {0x35, 0x2022}, {0xf0, 0x0001},
808 	{0x05, 0x0000}, {0x06, 0x340c}, {0x3b, 0x042a},
809 	{0x3c, 0x0400}, {0xf0, 0x0002}, {0x2e, 0x0c58},
810 	{0x5b, 0x0001}, {0xc8, 0x9f0b}, {0xf0, 0x0001},
811 	{0x9b, 0x5300}, {0xf0, 0x0000}, {0x2b, 0x0020},
812 	{0x2c, 0x002a}, {0x2d, 0x0032}, {0x2e, 0x0020},
813 	{0x09, 0x01dc}, {0x01, 0x000c}, {0x02, 0x0020},
814 	{0x03, 0x01e0}, {0x04, 0x0280}, {0x06, 0x000c},
815 	{0x05, 0x0098}, {0x20, 0x0703}, {0x09, 0x01f2},
816 	{0x2b, 0x00a0}, {0x2c, 0x00a0}, {0x2d, 0x00a0},
817 	{0x2e, 0x00a0}, {0x01, 0x000c}, {0x02, 0x0020},
818 	{0x03, 0x01e0}, {0x04, 0x0280}, {0x06, 0x000c},
819 	{0x05, 0x0098}, {0x09, 0x01c1}, {0x2b, 0x00ae},
820 	{0x2c, 0x00ae}, {0x2d, 0x00ae}, {0x2e, 0x00ae},
821 };
822 
823 static const struct i2c_reg_u16 mt9v111_init[] = {
824 	{0x01, 0x0004}, {0x0d, 0x0001}, {0x0d, 0x0000},
825 	{0x01, 0x0001}, {0x05, 0x0004}, {0x2d, 0xe0a0},
826 	{0x2e, 0x0c64},	{0x2f, 0x0064}, {0x06, 0x600e},
827 	{0x08, 0x0480}, {0x01, 0x0004}, {0x02, 0x0016},
828 	{0x03, 0x01e7}, {0x04, 0x0287}, {0x05, 0x0004},
829 	{0x06, 0x002d},	{0x07, 0x3002}, {0x08, 0x0008},
830 	{0x0e, 0x0008}, {0x20, 0x0000}
831 };
832 
833 static const struct i2c_reg_u16 mt9v011_init[] = {
834 	{0x07, 0x0002},	{0x0d, 0x0001},	{0x0d, 0x0000},
835 	{0x01, 0x0008},	{0x02, 0x0016},	{0x03, 0x01e1},
836 	{0x04, 0x0281},	{0x05, 0x0083},	{0x06, 0x0006},
837 	{0x0d, 0x0002}, {0x0a, 0x0000},	{0x0b, 0x0000},
838 	{0x0c, 0x0000},	{0x0d, 0x0000},	{0x0e, 0x0000},
839 	{0x0f, 0x0000},	{0x10, 0x0000},	{0x11, 0x0000},
840 	{0x12, 0x0000},	{0x13, 0x0000},	{0x14, 0x0000},
841 	{0x15, 0x0000},	{0x16, 0x0000},	{0x17, 0x0000},
842 	{0x18, 0x0000},	{0x19, 0x0000},	{0x1a, 0x0000},
843 	{0x1b, 0x0000},	{0x1c, 0x0000},	{0x1d, 0x0000},
844 	{0x32, 0x0000},	{0x20, 0x1101},	{0x21, 0x0000},
845 	{0x22, 0x0000},	{0x23, 0x0000},	{0x24, 0x0000},
846 	{0x25, 0x0000},	{0x26, 0x0000},	{0x27, 0x0024},
847 	{0x2f, 0xf7b0},	{0x30, 0x0005},	{0x31, 0x0000},
848 	{0x32, 0x0000},	{0x33, 0x0000},	{0x34, 0x0100},
849 	{0x3d, 0x068f},	{0x40, 0x01e0},	{0x41, 0x00d1},
850 	{0x44, 0x0082},	{0x5a, 0x0000},	{0x5b, 0x0000},
851 	{0x5c, 0x0000},	{0x5d, 0x0000},	{0x5e, 0x0000},
852 	{0x5f, 0xa31d},	{0x62, 0x0611},	{0x0a, 0x0000},
853 	{0x06, 0x0029},	{0x05, 0x0009},	{0x20, 0x1101},
854 	{0x20, 0x1101},	{0x09, 0x0064},	{0x07, 0x0003},
855 	{0x2b, 0x0033},	{0x2c, 0x00a0},	{0x2d, 0x00a0},
856 	{0x2e, 0x0033},	{0x07, 0x0002},	{0x06, 0x0000},
857 	{0x06, 0x0029},	{0x05, 0x0009},
858 };
859 
860 static const struct i2c_reg_u16 mt9m001_init[] = {
861 	{0x0d, 0x0001},
862 	{0x0d, 0x0000},
863 	{0x04, 0x0500},		/* hres = 1280 */
864 	{0x03, 0x0400},		/* vres = 1024 */
865 	{0x20, 0x1100},
866 	{0x06, 0x0010},
867 	{0x2b, 0x0024},
868 	{0x2e, 0x0024},
869 	{0x35, 0x0024},
870 	{0x2d, 0x0020},
871 	{0x2c, 0x0020},
872 	{0x09, 0x0ad4},
873 	{0x35, 0x0057},
874 };
875 
876 static const struct i2c_reg_u16 mt9m111_init[] = {
877 	{0xf0, 0x0000}, {0x0d, 0x0021}, {0x0d, 0x0008},
878 	{0xf0, 0x0001}, {0x3a, 0x4300}, {0x9b, 0x4300},
879 	{0x06, 0x708e}, {0xf0, 0x0002}, {0x2e, 0x0a1e},
880 	{0xf0, 0x0000},
881 };
882 
883 static const struct i2c_reg_u16 mt9m112_init[] = {
884 	{0xf0, 0x0000}, {0x0d, 0x0021}, {0x0d, 0x0008},
885 	{0xf0, 0x0001}, {0x3a, 0x4300}, {0x9b, 0x4300},
886 	{0x06, 0x708e}, {0xf0, 0x0002}, {0x2e, 0x0a1e},
887 	{0xf0, 0x0000},
888 };
889 
890 static const struct i2c_reg_u8 hv7131r_init[] = {
891 	{0x02, 0x08}, {0x02, 0x00}, {0x01, 0x08},
892 	{0x02, 0x00}, {0x20, 0x00}, {0x21, 0xd0},
893 	{0x22, 0x00}, {0x23, 0x09}, {0x01, 0x08},
894 	{0x01, 0x08}, {0x01, 0x08}, {0x25, 0x07},
895 	{0x26, 0xc3}, {0x27, 0x50}, {0x30, 0x62},
896 	{0x31, 0x10}, {0x32, 0x06}, {0x33, 0x10},
897 	{0x20, 0x00}, {0x21, 0xd0}, {0x22, 0x00},
898 	{0x23, 0x09}, {0x01, 0x08},
899 };
900 
901 static void reg_r(struct gspca_dev *gspca_dev, u16 reg, u16 length)
902 {
903 	struct usb_device *dev = gspca_dev->dev;
904 	int result;
905 
906 	if (gspca_dev->usb_err < 0)
907 		return;
908 	result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
909 			0x00,
910 			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
911 			reg,
912 			0x00,
913 			gspca_dev->usb_buf,
914 			length,
915 			500);
916 	if (unlikely(result < 0 || result != length)) {
917 		pr_err("Read register %02x failed %d\n", reg, result);
918 		gspca_dev->usb_err = result;
919 		/*
920 		 * Make sure the buffer is zeroed to avoid uninitialized
921 		 * values.
922 		 */
923 		memset(gspca_dev->usb_buf, 0, USB_BUF_SZ);
924 	}
925 }
926 
927 static void reg_w(struct gspca_dev *gspca_dev, u16 reg,
928 		 const u8 *buffer, int length)
929 {
930 	struct usb_device *dev = gspca_dev->dev;
931 	int result;
932 
933 	if (gspca_dev->usb_err < 0)
934 		return;
935 	memcpy(gspca_dev->usb_buf, buffer, length);
936 	result = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
937 			0x08,
938 			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
939 			reg,
940 			0x00,
941 			gspca_dev->usb_buf,
942 			length,
943 			500);
944 	if (unlikely(result < 0 || result != length)) {
945 		pr_err("Write register %02x failed %d\n", reg, result);
946 		gspca_dev->usb_err = result;
947 	}
948 }
949 
950 static void reg_w1(struct gspca_dev *gspca_dev, u16 reg, const u8 value)
951 {
952 	reg_w(gspca_dev, reg, &value, 1);
953 }
954 
955 static void i2c_w(struct gspca_dev *gspca_dev, const u8 *buffer)
956 {
957 	int i;
958 
959 	reg_w(gspca_dev, 0x10c0, buffer, 8);
960 	for (i = 0; i < 5; i++) {
961 		reg_r(gspca_dev, 0x10c0, 1);
962 		if (gspca_dev->usb_err < 0)
963 			return;
964 		if (gspca_dev->usb_buf[0] & 0x04) {
965 			if (gspca_dev->usb_buf[0] & 0x08) {
966 				pr_err("i2c_w error\n");
967 				gspca_dev->usb_err = -EIO;
968 			}
969 			return;
970 		}
971 		msleep(10);
972 	}
973 	pr_err("i2c_w reg %02x no response\n", buffer[2]);
974 /*	gspca_dev->usb_err = -EIO;	fixme: may occur */
975 }
976 
977 static void i2c_w1(struct gspca_dev *gspca_dev, u8 reg, u8 val)
978 {
979 	struct sd *sd = (struct sd *) gspca_dev;
980 	u8 row[8];
981 
982 	/*
983 	 * from the point of view of the bridge, the length
984 	 * includes the address
985 	 */
986 	row[0] = sd->i2c_intf | (2 << 4);
987 	row[1] = sd->i2c_addr;
988 	row[2] = reg;
989 	row[3] = val;
990 	row[4] = 0x00;
991 	row[5] = 0x00;
992 	row[6] = 0x00;
993 	row[7] = 0x10;
994 
995 	i2c_w(gspca_dev, row);
996 }
997 
998 static void i2c_w1_buf(struct gspca_dev *gspca_dev,
999 			const struct i2c_reg_u8 *buf, int sz)
1000 {
1001 	while (--sz >= 0) {
1002 		i2c_w1(gspca_dev, buf->reg, buf->val);
1003 		buf++;
1004 	}
1005 }
1006 
1007 static void i2c_w2(struct gspca_dev *gspca_dev, u8 reg, u16 val)
1008 {
1009 	struct sd *sd = (struct sd *) gspca_dev;
1010 	u8 row[8];
1011 
1012 	/*
1013 	 * from the point of view of the bridge, the length
1014 	 * includes the address
1015 	 */
1016 	row[0] = sd->i2c_intf | (3 << 4);
1017 	row[1] = sd->i2c_addr;
1018 	row[2] = reg;
1019 	row[3] = val >> 8;
1020 	row[4] = val;
1021 	row[5] = 0x00;
1022 	row[6] = 0x00;
1023 	row[7] = 0x10;
1024 
1025 	i2c_w(gspca_dev, row);
1026 }
1027 
1028 static void i2c_w2_buf(struct gspca_dev *gspca_dev,
1029 			const struct i2c_reg_u16 *buf, int sz)
1030 {
1031 	while (--sz >= 0) {
1032 		i2c_w2(gspca_dev, buf->reg, buf->val);
1033 		buf++;
1034 	}
1035 }
1036 
1037 static void i2c_r1(struct gspca_dev *gspca_dev, u8 reg, u8 *val)
1038 {
1039 	struct sd *sd = (struct sd *) gspca_dev;
1040 	u8 row[8];
1041 
1042 	row[0] = sd->i2c_intf | (1 << 4);
1043 	row[1] = sd->i2c_addr;
1044 	row[2] = reg;
1045 	row[3] = 0;
1046 	row[4] = 0;
1047 	row[5] = 0;
1048 	row[6] = 0;
1049 	row[7] = 0x10;
1050 	i2c_w(gspca_dev, row);
1051 	row[0] = sd->i2c_intf | (1 << 4) | 0x02;
1052 	row[2] = 0;
1053 	i2c_w(gspca_dev, row);
1054 	reg_r(gspca_dev, 0x10c2, 5);
1055 	*val = gspca_dev->usb_buf[4];
1056 }
1057 
1058 static void i2c_r2(struct gspca_dev *gspca_dev, u8 reg, u16 *val)
1059 {
1060 	struct sd *sd = (struct sd *) gspca_dev;
1061 	u8 row[8];
1062 
1063 	row[0] = sd->i2c_intf | (1 << 4);
1064 	row[1] = sd->i2c_addr;
1065 	row[2] = reg;
1066 	row[3] = 0;
1067 	row[4] = 0;
1068 	row[5] = 0;
1069 	row[6] = 0;
1070 	row[7] = 0x10;
1071 	i2c_w(gspca_dev, row);
1072 	row[0] = sd->i2c_intf | (2 << 4) | 0x02;
1073 	row[2] = 0;
1074 	i2c_w(gspca_dev, row);
1075 	reg_r(gspca_dev, 0x10c2, 5);
1076 	*val = (gspca_dev->usb_buf[3] << 8) | gspca_dev->usb_buf[4];
1077 }
1078 
1079 static void ov9650_init_sensor(struct gspca_dev *gspca_dev)
1080 {
1081 	u16 id;
1082 	struct sd *sd = (struct sd *) gspca_dev;
1083 
1084 	i2c_r2(gspca_dev, 0x1c, &id);
1085 	if (gspca_dev->usb_err < 0)
1086 		return;
1087 
1088 	if (id != 0x7fa2) {
1089 		pr_err("sensor id for ov9650 doesn't match (0x%04x)\n", id);
1090 		gspca_dev->usb_err = -ENODEV;
1091 		return;
1092 	}
1093 
1094 	i2c_w1(gspca_dev, 0x12, 0x80);		/* sensor reset */
1095 	msleep(200);
1096 	i2c_w1_buf(gspca_dev, ov9650_init, ARRAY_SIZE(ov9650_init));
1097 	if (gspca_dev->usb_err < 0)
1098 		pr_err("OV9650 sensor initialization failed\n");
1099 	sd->hstart = 1;
1100 	sd->vstart = 7;
1101 }
1102 
1103 static void ov9655_init_sensor(struct gspca_dev *gspca_dev)
1104 {
1105 	struct sd *sd = (struct sd *) gspca_dev;
1106 
1107 	i2c_w1(gspca_dev, 0x12, 0x80);		/* sensor reset */
1108 	msleep(200);
1109 	i2c_w1_buf(gspca_dev, ov9655_init, ARRAY_SIZE(ov9655_init));
1110 	if (gspca_dev->usb_err < 0)
1111 		pr_err("OV9655 sensor initialization failed\n");
1112 
1113 	sd->hstart = 1;
1114 	sd->vstart = 2;
1115 }
1116 
1117 static void soi968_init_sensor(struct gspca_dev *gspca_dev)
1118 {
1119 	struct sd *sd = (struct sd *) gspca_dev;
1120 
1121 	i2c_w1(gspca_dev, 0x12, 0x80);		/* sensor reset */
1122 	msleep(200);
1123 	i2c_w1_buf(gspca_dev, soi968_init, ARRAY_SIZE(soi968_init));
1124 	if (gspca_dev->usb_err < 0)
1125 		pr_err("SOI968 sensor initialization failed\n");
1126 
1127 	sd->hstart = 60;
1128 	sd->vstart = 11;
1129 }
1130 
1131 static void ov7660_init_sensor(struct gspca_dev *gspca_dev)
1132 {
1133 	struct sd *sd = (struct sd *) gspca_dev;
1134 
1135 	i2c_w1(gspca_dev, 0x12, 0x80);		/* sensor reset */
1136 	msleep(200);
1137 	i2c_w1_buf(gspca_dev, ov7660_init, ARRAY_SIZE(ov7660_init));
1138 	if (gspca_dev->usb_err < 0)
1139 		pr_err("OV7660 sensor initialization failed\n");
1140 	sd->hstart = 3;
1141 	sd->vstart = 3;
1142 }
1143 
1144 static void ov7670_init_sensor(struct gspca_dev *gspca_dev)
1145 {
1146 	struct sd *sd = (struct sd *) gspca_dev;
1147 
1148 	i2c_w1(gspca_dev, 0x12, 0x80);		/* sensor reset */
1149 	msleep(200);
1150 	i2c_w1_buf(gspca_dev, ov7670_init, ARRAY_SIZE(ov7670_init));
1151 	if (gspca_dev->usb_err < 0)
1152 		pr_err("OV7670 sensor initialization failed\n");
1153 
1154 	sd->hstart = 0;
1155 	sd->vstart = 1;
1156 }
1157 
1158 static void mt9v_init_sensor(struct gspca_dev *gspca_dev)
1159 {
1160 	struct sd *sd = (struct sd *) gspca_dev;
1161 	u16 value;
1162 
1163 	sd->i2c_addr = 0x5d;
1164 	i2c_r2(gspca_dev, 0xff, &value);
1165 	if (gspca_dev->usb_err >= 0
1166 	 && value == 0x8243) {
1167 		i2c_w2_buf(gspca_dev, mt9v011_init, ARRAY_SIZE(mt9v011_init));
1168 		if (gspca_dev->usb_err < 0) {
1169 			pr_err("MT9V011 sensor initialization failed\n");
1170 			return;
1171 		}
1172 		sd->hstart = 2;
1173 		sd->vstart = 2;
1174 		sd->sensor = SENSOR_MT9V011;
1175 		pr_info("MT9V011 sensor detected\n");
1176 		return;
1177 	}
1178 
1179 	gspca_dev->usb_err = 0;
1180 	sd->i2c_addr = 0x5c;
1181 	i2c_w2(gspca_dev, 0x01, 0x0004);
1182 	i2c_r2(gspca_dev, 0xff, &value);
1183 	if (gspca_dev->usb_err >= 0
1184 	 && value == 0x823a) {
1185 		i2c_w2_buf(gspca_dev, mt9v111_init, ARRAY_SIZE(mt9v111_init));
1186 		if (gspca_dev->usb_err < 0) {
1187 			pr_err("MT9V111 sensor initialization failed\n");
1188 			return;
1189 		}
1190 		sd->hstart = 2;
1191 		sd->vstart = 2;
1192 		sd->sensor = SENSOR_MT9V111;
1193 		pr_info("MT9V111 sensor detected\n");
1194 		return;
1195 	}
1196 
1197 	gspca_dev->usb_err = 0;
1198 	sd->i2c_addr = 0x5d;
1199 	i2c_w2(gspca_dev, 0xf0, 0x0000);
1200 	if (gspca_dev->usb_err < 0) {
1201 		gspca_dev->usb_err = 0;
1202 		sd->i2c_addr = 0x48;
1203 		i2c_w2(gspca_dev, 0xf0, 0x0000);
1204 	}
1205 	i2c_r2(gspca_dev, 0x00, &value);
1206 	if (gspca_dev->usb_err >= 0
1207 	 && value == 0x1229) {
1208 		i2c_w2_buf(gspca_dev, mt9v112_init, ARRAY_SIZE(mt9v112_init));
1209 		if (gspca_dev->usb_err < 0) {
1210 			pr_err("MT9V112 sensor initialization failed\n");
1211 			return;
1212 		}
1213 		sd->hstart = 6;
1214 		sd->vstart = 2;
1215 		sd->sensor = SENSOR_MT9V112;
1216 		pr_info("MT9V112 sensor detected\n");
1217 		return;
1218 	}
1219 
1220 	gspca_dev->usb_err = -ENODEV;
1221 }
1222 
1223 static void mt9m112_init_sensor(struct gspca_dev *gspca_dev)
1224 {
1225 	struct sd *sd = (struct sd *) gspca_dev;
1226 
1227 	i2c_w2_buf(gspca_dev, mt9m112_init, ARRAY_SIZE(mt9m112_init));
1228 	if (gspca_dev->usb_err < 0)
1229 		pr_err("MT9M112 sensor initialization failed\n");
1230 
1231 	sd->hstart = 0;
1232 	sd->vstart = 2;
1233 }
1234 
1235 static void mt9m111_init_sensor(struct gspca_dev *gspca_dev)
1236 {
1237 	struct sd *sd = (struct sd *) gspca_dev;
1238 
1239 	i2c_w2_buf(gspca_dev, mt9m111_init, ARRAY_SIZE(mt9m111_init));
1240 	if (gspca_dev->usb_err < 0)
1241 		pr_err("MT9M111 sensor initialization failed\n");
1242 
1243 	sd->hstart = 0;
1244 	sd->vstart = 2;
1245 }
1246 
1247 static void mt9m001_init_sensor(struct gspca_dev *gspca_dev)
1248 {
1249 	struct sd *sd = (struct sd *) gspca_dev;
1250 	u16 id;
1251 
1252 	i2c_r2(gspca_dev, 0x00, &id);
1253 	if (gspca_dev->usb_err < 0)
1254 		return;
1255 
1256 	/* must be 0x8411 or 0x8421 for colour sensor and 8431 for bw */
1257 	switch (id) {
1258 	case 0x8411:
1259 	case 0x8421:
1260 		pr_info("MT9M001 color sensor detected\n");
1261 		break;
1262 	case 0x8431:
1263 		pr_info("MT9M001 mono sensor detected\n");
1264 		break;
1265 	default:
1266 		pr_err("No MT9M001 chip detected, ID = %x\n\n", id);
1267 		gspca_dev->usb_err = -ENODEV;
1268 		return;
1269 	}
1270 
1271 	i2c_w2_buf(gspca_dev, mt9m001_init, ARRAY_SIZE(mt9m001_init));
1272 	if (gspca_dev->usb_err < 0)
1273 		pr_err("MT9M001 sensor initialization failed\n");
1274 
1275 	sd->hstart = 1;
1276 	sd->vstart = 1;
1277 }
1278 
1279 static void hv7131r_init_sensor(struct gspca_dev *gspca_dev)
1280 {
1281 	struct sd *sd = (struct sd *) gspca_dev;
1282 
1283 	i2c_w1_buf(gspca_dev, hv7131r_init, ARRAY_SIZE(hv7131r_init));
1284 	if (gspca_dev->usb_err < 0)
1285 		pr_err("HV7131R Sensor initialization failed\n");
1286 
1287 	sd->hstart = 0;
1288 	sd->vstart = 1;
1289 }
1290 
1291 static void set_cmatrix(struct gspca_dev *gspca_dev,
1292 		s32 brightness, s32 contrast, s32 satur, s32 hue)
1293 {
1294 	s32 hue_coord, hue_index = 180 + hue;
1295 	u8 cmatrix[21];
1296 
1297 	memset(cmatrix, 0, sizeof(cmatrix));
1298 	cmatrix[2] = (contrast * 0x25 / 0x100) + 0x26;
1299 	cmatrix[0] = 0x13 + (cmatrix[2] - 0x26) * 0x13 / 0x25;
1300 	cmatrix[4] = 0x07 + (cmatrix[2] - 0x26) * 0x07 / 0x25;
1301 	cmatrix[18] = brightness - 0x80;
1302 
1303 	hue_coord = (hsv_red_x[hue_index] * satur) >> 8;
1304 	cmatrix[6] = hue_coord;
1305 	cmatrix[7] = (hue_coord >> 8) & 0x0f;
1306 
1307 	hue_coord = (hsv_red_y[hue_index] * satur) >> 8;
1308 	cmatrix[8] = hue_coord;
1309 	cmatrix[9] = (hue_coord >> 8) & 0x0f;
1310 
1311 	hue_coord = (hsv_green_x[hue_index] * satur) >> 8;
1312 	cmatrix[10] = hue_coord;
1313 	cmatrix[11] = (hue_coord >> 8) & 0x0f;
1314 
1315 	hue_coord = (hsv_green_y[hue_index] * satur) >> 8;
1316 	cmatrix[12] = hue_coord;
1317 	cmatrix[13] = (hue_coord >> 8) & 0x0f;
1318 
1319 	hue_coord = (hsv_blue_x[hue_index] * satur) >> 8;
1320 	cmatrix[14] = hue_coord;
1321 	cmatrix[15] = (hue_coord >> 8) & 0x0f;
1322 
1323 	hue_coord = (hsv_blue_y[hue_index] * satur) >> 8;
1324 	cmatrix[16] = hue_coord;
1325 	cmatrix[17] = (hue_coord >> 8) & 0x0f;
1326 
1327 	reg_w(gspca_dev, 0x10e1, cmatrix, 21);
1328 }
1329 
1330 static void set_gamma(struct gspca_dev *gspca_dev, s32 val)
1331 {
1332 	u8 gamma[17];
1333 	u8 gval = val * 0xb8 / 0x100;
1334 
1335 	gamma[0] = 0x0a;
1336 	gamma[1] = 0x13 + (gval * (0xcb - 0x13) / 0xb8);
1337 	gamma[2] = 0x25 + (gval * (0xee - 0x25) / 0xb8);
1338 	gamma[3] = 0x37 + (gval * (0xfa - 0x37) / 0xb8);
1339 	gamma[4] = 0x45 + (gval * (0xfc - 0x45) / 0xb8);
1340 	gamma[5] = 0x55 + (gval * (0xfb - 0x55) / 0xb8);
1341 	gamma[6] = 0x65 + (gval * (0xfc - 0x65) / 0xb8);
1342 	gamma[7] = 0x74 + (gval * (0xfd - 0x74) / 0xb8);
1343 	gamma[8] = 0x83 + (gval * (0xfe - 0x83) / 0xb8);
1344 	gamma[9] = 0x92 + (gval * (0xfc - 0x92) / 0xb8);
1345 	gamma[10] = 0xa1 + (gval * (0xfc - 0xa1) / 0xb8);
1346 	gamma[11] = 0xb0 + (gval * (0xfc - 0xb0) / 0xb8);
1347 	gamma[12] = 0xbf + (gval * (0xfb - 0xbf) / 0xb8);
1348 	gamma[13] = 0xce + (gval * (0xfb - 0xce) / 0xb8);
1349 	gamma[14] = 0xdf + (gval * (0xfd - 0xdf) / 0xb8);
1350 	gamma[15] = 0xea + (gval * (0xf9 - 0xea) / 0xb8);
1351 	gamma[16] = 0xf5;
1352 
1353 	reg_w(gspca_dev, 0x1190, gamma, 17);
1354 }
1355 
1356 static void set_redblue(struct gspca_dev *gspca_dev, s32 blue, s32 red)
1357 {
1358 	reg_w1(gspca_dev, 0x118c, red);
1359 	reg_w1(gspca_dev, 0x118f, blue);
1360 }
1361 
1362 static void set_hvflip(struct gspca_dev *gspca_dev, s32 hflip, s32 vflip)
1363 {
1364 	u8 value, tslb;
1365 	u16 value2;
1366 	struct sd *sd = (struct sd *) gspca_dev;
1367 
1368 	if ((sd->flags & FLIP_DETECT) && dmi_check_system(flip_dmi_table)) {
1369 		hflip = !hflip;
1370 		vflip = !vflip;
1371 	}
1372 
1373 	switch (sd->sensor) {
1374 	case SENSOR_OV7660:
1375 		value = 0x01;
1376 		if (hflip)
1377 			value |= 0x20;
1378 		if (vflip) {
1379 			value |= 0x10;
1380 			sd->vstart = 2;
1381 		} else {
1382 			sd->vstart = 3;
1383 		}
1384 		reg_w1(gspca_dev, 0x1182, sd->vstart);
1385 		i2c_w1(gspca_dev, 0x1e, value);
1386 		break;
1387 	case SENSOR_OV9650:
1388 		i2c_r1(gspca_dev, 0x1e, &value);
1389 		value &= ~0x30;
1390 		tslb = 0x01;
1391 		if (hflip)
1392 			value |= 0x20;
1393 		if (vflip) {
1394 			value |= 0x10;
1395 			tslb = 0x49;
1396 		}
1397 		i2c_w1(gspca_dev, 0x1e, value);
1398 		i2c_w1(gspca_dev, 0x3a, tslb);
1399 		break;
1400 	case SENSOR_MT9V111:
1401 	case SENSOR_MT9V011:
1402 		i2c_r2(gspca_dev, 0x20, &value2);
1403 		value2 &= ~0xc0a0;
1404 		if (hflip)
1405 			value2 |= 0x8080;
1406 		if (vflip)
1407 			value2 |= 0x4020;
1408 		i2c_w2(gspca_dev, 0x20, value2);
1409 		break;
1410 	case SENSOR_MT9M112:
1411 	case SENSOR_MT9M111:
1412 	case SENSOR_MT9V112:
1413 		i2c_r2(gspca_dev, 0x20, &value2);
1414 		value2 &= ~0x0003;
1415 		if (hflip)
1416 			value2 |= 0x0002;
1417 		if (vflip)
1418 			value2 |= 0x0001;
1419 		i2c_w2(gspca_dev, 0x20, value2);
1420 		break;
1421 	case SENSOR_HV7131R:
1422 		i2c_r1(gspca_dev, 0x01, &value);
1423 		value &= ~0x03;
1424 		if (vflip)
1425 			value |= 0x01;
1426 		if (hflip)
1427 			value |= 0x02;
1428 		i2c_w1(gspca_dev, 0x01, value);
1429 		break;
1430 	}
1431 }
1432 
1433 static void set_exposure(struct gspca_dev *gspca_dev, s32 expo)
1434 {
1435 	struct sd *sd = (struct sd *) gspca_dev;
1436 	u8 exp[8] = {sd->i2c_intf, sd->i2c_addr,
1437 				0x00, 0x00, 0x00, 0x00, 0x00, 0x10};
1438 	int expo2;
1439 
1440 	if (gspca_dev->streaming)
1441 		exp[7] = 0x1e;
1442 
1443 	switch (sd->sensor) {
1444 	case SENSOR_OV7660:
1445 	case SENSOR_OV7670:
1446 	case SENSOR_OV9655:
1447 	case SENSOR_OV9650:
1448 		if (expo > 547)
1449 			expo2 = 547;
1450 		else
1451 			expo2 = expo;
1452 		exp[0] |= (2 << 4);
1453 		exp[2] = 0x10;			/* AECH */
1454 		exp[3] = expo2 >> 2;
1455 		exp[7] = 0x10;
1456 		i2c_w(gspca_dev, exp);
1457 		exp[2] = 0x04;			/* COM1 */
1458 		exp[3] = expo2 & 0x0003;
1459 		exp[7] = 0x10;
1460 		i2c_w(gspca_dev, exp);
1461 		expo -= expo2;
1462 		exp[7] = 0x1e;
1463 		exp[0] |= (3 << 4);
1464 		exp[2] = 0x2d;			/* ADVFL & ADVFH */
1465 		exp[3] = expo;
1466 		exp[4] = expo >> 8;
1467 		break;
1468 	case SENSOR_MT9M001:
1469 	case SENSOR_MT9V112:
1470 	case SENSOR_MT9V011:
1471 		exp[0] |= (3 << 4);
1472 		exp[2] = 0x09;
1473 		exp[3] = expo >> 8;
1474 		exp[4] = expo;
1475 		break;
1476 	case SENSOR_HV7131R:
1477 		exp[0] |= (4 << 4);
1478 		exp[2] = 0x25;
1479 		exp[3] = expo >> 5;
1480 		exp[4] = expo << 3;
1481 		exp[5] = 0;
1482 		break;
1483 	default:
1484 		return;
1485 	}
1486 	i2c_w(gspca_dev, exp);
1487 }
1488 
1489 static void set_gain(struct gspca_dev *gspca_dev, s32 g)
1490 {
1491 	struct sd *sd = (struct sd *) gspca_dev;
1492 	u8 gain[8] = {sd->i2c_intf, sd->i2c_addr,
1493 				0x00, 0x00, 0x00, 0x00, 0x00, 0x10};
1494 
1495 	if (gspca_dev->streaming)
1496 		gain[7] = 0x15;		/* or 1d ? */
1497 
1498 	switch (sd->sensor) {
1499 	case SENSOR_OV7660:
1500 	case SENSOR_OV7670:
1501 	case SENSOR_SOI968:
1502 	case SENSOR_OV9655:
1503 	case SENSOR_OV9650:
1504 		gain[0] |= (2 << 4);
1505 		gain[3] = ov_gain[g];
1506 		break;
1507 	case SENSOR_MT9V011:
1508 		gain[0] |= (3 << 4);
1509 		gain[2] = 0x35;
1510 		gain[3] = micron1_gain[g] >> 8;
1511 		gain[4] = micron1_gain[g];
1512 		break;
1513 	case SENSOR_MT9V112:
1514 		gain[0] |= (3 << 4);
1515 		gain[2] = 0x2f;
1516 		gain[3] = micron1_gain[g] >> 8;
1517 		gain[4] = micron1_gain[g];
1518 		break;
1519 	case SENSOR_MT9M001:
1520 		gain[0] |= (3 << 4);
1521 		gain[2] = 0x2f;
1522 		gain[3] = micron2_gain[g] >> 8;
1523 		gain[4] = micron2_gain[g];
1524 		break;
1525 	case SENSOR_HV7131R:
1526 		gain[0] |= (2 << 4);
1527 		gain[2] = 0x30;
1528 		gain[3] = hv7131r_gain[g];
1529 		break;
1530 	default:
1531 		return;
1532 	}
1533 	i2c_w(gspca_dev, gain);
1534 }
1535 
1536 static void set_quality(struct gspca_dev *gspca_dev, s32 val)
1537 {
1538 	struct sd *sd = (struct sd *) gspca_dev;
1539 
1540 	jpeg_set_qual(sd->jpeg_hdr, val);
1541 	reg_w1(gspca_dev, 0x1061, 0x01);	/* stop transfer */
1542 	reg_w1(gspca_dev, 0x10e0, sd->fmt | 0x20); /* write QTAB */
1543 	reg_w(gspca_dev, 0x1100, &sd->jpeg_hdr[JPEG_QT0_OFFSET], 64);
1544 	reg_w(gspca_dev, 0x1140, &sd->jpeg_hdr[JPEG_QT1_OFFSET], 64);
1545 	reg_w1(gspca_dev, 0x1061, 0x03);	/* restart transfer */
1546 	reg_w1(gspca_dev, 0x10e0, sd->fmt);
1547 	sd->fmt ^= 0x0c;			/* invert QTAB use + write */
1548 	reg_w1(gspca_dev, 0x10e0, sd->fmt);
1549 }
1550 
1551 #ifdef CONFIG_VIDEO_ADV_DEBUG
1552 static int sd_dbg_g_register(struct gspca_dev *gspca_dev,
1553 			struct v4l2_dbg_register *reg)
1554 {
1555 	struct sd *sd = (struct sd *) gspca_dev;
1556 
1557 	reg->size = 1;
1558 	switch (reg->match.addr) {
1559 	case 0:
1560 		if (reg->reg < 0x1000 || reg->reg > 0x11ff)
1561 			return -EINVAL;
1562 		reg_r(gspca_dev, reg->reg, 1);
1563 		reg->val = gspca_dev->usb_buf[0];
1564 		return gspca_dev->usb_err;
1565 	case 1:
1566 		if (sd->sensor >= SENSOR_MT9V011 &&
1567 		    sd->sensor <= SENSOR_MT9M112) {
1568 			i2c_r2(gspca_dev, reg->reg, (u16 *) &reg->val);
1569 			reg->size = 2;
1570 		} else {
1571 			i2c_r1(gspca_dev, reg->reg, (u8 *) &reg->val);
1572 		}
1573 		return gspca_dev->usb_err;
1574 	}
1575 	return -EINVAL;
1576 }
1577 
1578 static int sd_dbg_s_register(struct gspca_dev *gspca_dev,
1579 			const struct v4l2_dbg_register *reg)
1580 {
1581 	struct sd *sd = (struct sd *) gspca_dev;
1582 
1583 	switch (reg->match.addr) {
1584 	case 0:
1585 		if (reg->reg < 0x1000 || reg->reg > 0x11ff)
1586 			return -EINVAL;
1587 		reg_w1(gspca_dev, reg->reg, reg->val);
1588 		return gspca_dev->usb_err;
1589 	case 1:
1590 		if (sd->sensor >= SENSOR_MT9V011 &&
1591 		    sd->sensor <= SENSOR_MT9M112) {
1592 			i2c_w2(gspca_dev, reg->reg, reg->val);
1593 		} else {
1594 			i2c_w1(gspca_dev, reg->reg, reg->val);
1595 		}
1596 		return gspca_dev->usb_err;
1597 	}
1598 	return -EINVAL;
1599 }
1600 
1601 static int sd_chip_info(struct gspca_dev *gspca_dev,
1602 			struct v4l2_dbg_chip_info *chip)
1603 {
1604 	if (chip->match.addr > 1)
1605 		return -EINVAL;
1606 	if (chip->match.addr == 1)
1607 		strscpy(chip->name, "sensor", sizeof(chip->name));
1608 	return 0;
1609 }
1610 #endif
1611 
1612 static int sd_config(struct gspca_dev *gspca_dev,
1613 			const struct usb_device_id *id)
1614 {
1615 	struct sd *sd = (struct sd *) gspca_dev;
1616 	struct cam *cam;
1617 
1618 	cam = &gspca_dev->cam;
1619 	cam->needs_full_bandwidth = 1;
1620 
1621 	sd->sensor = id->driver_info >> 8;
1622 	sd->i2c_addr = id->driver_info;
1623 	sd->flags = id->driver_info >> 16;
1624 	sd->i2c_intf = 0x80;			/* i2c 100 Kb/s */
1625 
1626 	switch (sd->sensor) {
1627 	case SENSOR_MT9M112:
1628 	case SENSOR_MT9M111:
1629 	case SENSOR_OV9650:
1630 	case SENSOR_SOI968:
1631 		cam->cam_mode = sxga_mode;
1632 		cam->nmodes = ARRAY_SIZE(sxga_mode);
1633 		break;
1634 	case SENSOR_MT9M001:
1635 		cam->cam_mode = mono_mode;
1636 		cam->nmodes = ARRAY_SIZE(mono_mode);
1637 		break;
1638 	case SENSOR_HV7131R:
1639 		sd->i2c_intf = 0x81;			/* i2c 400 Kb/s */
1640 		/* fall through */
1641 	default:
1642 		cam->cam_mode = vga_mode;
1643 		cam->nmodes = ARRAY_SIZE(vga_mode);
1644 		break;
1645 	}
1646 
1647 	sd->old_step = 0;
1648 	sd->older_step = 0;
1649 	sd->exposure_step = 16;
1650 
1651 	INIT_WORK(&sd->work, qual_upd);
1652 
1653 	return 0;
1654 }
1655 
1656 static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
1657 {
1658 	struct gspca_dev *gspca_dev =
1659 		container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
1660 	struct sd *sd = (struct sd *)gspca_dev;
1661 
1662 	gspca_dev->usb_err = 0;
1663 
1664 	if (!gspca_dev->streaming)
1665 		return 0;
1666 
1667 	switch (ctrl->id) {
1668 	/* color control cluster */
1669 	case V4L2_CID_BRIGHTNESS:
1670 		set_cmatrix(gspca_dev, sd->brightness->val,
1671 			sd->contrast->val, sd->saturation->val, sd->hue->val);
1672 		break;
1673 	case V4L2_CID_GAMMA:
1674 		set_gamma(gspca_dev, ctrl->val);
1675 		break;
1676 	/* blue/red balance cluster */
1677 	case V4L2_CID_BLUE_BALANCE:
1678 		set_redblue(gspca_dev, sd->blue->val, sd->red->val);
1679 		break;
1680 	/* h/vflip cluster */
1681 	case V4L2_CID_HFLIP:
1682 		set_hvflip(gspca_dev, sd->hflip->val, sd->vflip->val);
1683 		break;
1684 	/* standalone exposure control */
1685 	case V4L2_CID_EXPOSURE:
1686 		set_exposure(gspca_dev, ctrl->val);
1687 		break;
1688 	/* standalone gain control */
1689 	case V4L2_CID_GAIN:
1690 		set_gain(gspca_dev, ctrl->val);
1691 		break;
1692 	/* autogain + exposure or gain control cluster */
1693 	case V4L2_CID_AUTOGAIN:
1694 		if (sd->sensor == SENSOR_SOI968)
1695 			set_gain(gspca_dev, sd->gain->val);
1696 		else
1697 			set_exposure(gspca_dev, sd->exposure->val);
1698 		break;
1699 	case V4L2_CID_JPEG_COMPRESSION_QUALITY:
1700 		set_quality(gspca_dev, ctrl->val);
1701 		break;
1702 	}
1703 	return gspca_dev->usb_err;
1704 }
1705 
1706 static const struct v4l2_ctrl_ops sd_ctrl_ops = {
1707 	.s_ctrl = sd_s_ctrl,
1708 };
1709 
1710 static int sd_init_controls(struct gspca_dev *gspca_dev)
1711 {
1712 	struct sd *sd = (struct sd *) gspca_dev;
1713 	struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
1714 
1715 	gspca_dev->vdev.ctrl_handler = hdl;
1716 	v4l2_ctrl_handler_init(hdl, 13);
1717 
1718 	sd->brightness = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1719 			V4L2_CID_BRIGHTNESS, 0, 255, 1, 127);
1720 	sd->contrast = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1721 			V4L2_CID_CONTRAST, 0, 255, 1, 127);
1722 	sd->saturation = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1723 			V4L2_CID_SATURATION, 0, 255, 1, 127);
1724 	sd->hue = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1725 			V4L2_CID_HUE, -180, 180, 1, 0);
1726 
1727 	sd->gamma = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1728 			V4L2_CID_GAMMA, 0, 255, 1, 0x10);
1729 
1730 	sd->blue = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1731 			V4L2_CID_BLUE_BALANCE, 0, 127, 1, 0x28);
1732 	sd->red = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1733 			V4L2_CID_RED_BALANCE, 0, 127, 1, 0x28);
1734 
1735 	if (sd->sensor != SENSOR_OV9655 && sd->sensor != SENSOR_SOI968 &&
1736 	    sd->sensor != SENSOR_OV7670 && sd->sensor != SENSOR_MT9M001 &&
1737 	    sd->sensor != SENSOR_MT9VPRB) {
1738 		sd->hflip = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1739 			V4L2_CID_HFLIP, 0, 1, 1, 0);
1740 		sd->vflip = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1741 			V4L2_CID_VFLIP, 0, 1, 1, 0);
1742 	}
1743 
1744 	if (sd->sensor != SENSOR_SOI968 && sd->sensor != SENSOR_MT9VPRB &&
1745 	    sd->sensor != SENSOR_MT9M112 && sd->sensor != SENSOR_MT9M111 &&
1746 	    sd->sensor != SENSOR_MT9V111)
1747 		sd->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1748 			V4L2_CID_EXPOSURE, 0, 0x1780, 1, 0x33);
1749 
1750 	if (sd->sensor != SENSOR_MT9VPRB && sd->sensor != SENSOR_MT9M112 &&
1751 	    sd->sensor != SENSOR_MT9M111 && sd->sensor != SENSOR_MT9V111) {
1752 		sd->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1753 			V4L2_CID_GAIN, 0, 28, 1, 0);
1754 		sd->autogain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1755 			V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
1756 	}
1757 
1758 	sd->jpegqual = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1759 			V4L2_CID_JPEG_COMPRESSION_QUALITY, 50, 90, 1, 80);
1760 	if (hdl->error) {
1761 		pr_err("Could not initialize controls\n");
1762 		return hdl->error;
1763 	}
1764 
1765 	v4l2_ctrl_cluster(4, &sd->brightness);
1766 	v4l2_ctrl_cluster(2, &sd->blue);
1767 	if (sd->hflip)
1768 		v4l2_ctrl_cluster(2, &sd->hflip);
1769 	if (sd->autogain) {
1770 		if (sd->sensor == SENSOR_SOI968)
1771 			/* this sensor doesn't have the exposure control and
1772 			   autogain is clustered with gain instead. This works
1773 			   because sd->exposure == NULL. */
1774 			v4l2_ctrl_auto_cluster(3, &sd->autogain, 0, false);
1775 		else
1776 			/* Otherwise autogain is clustered with exposure. */
1777 			v4l2_ctrl_auto_cluster(2, &sd->autogain, 0, false);
1778 	}
1779 	return 0;
1780 }
1781 
1782 static int sd_init(struct gspca_dev *gspca_dev)
1783 {
1784 	struct sd *sd = (struct sd *) gspca_dev;
1785 	int i;
1786 	u8 value;
1787 	u8 i2c_init[9] = {
1788 		0x80, sd->i2c_addr, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03
1789 	};
1790 
1791 	for (i = 0; i < ARRAY_SIZE(bridge_init); i++) {
1792 		value = bridge_init[i][1];
1793 		reg_w(gspca_dev, bridge_init[i][0], &value, 1);
1794 		if (gspca_dev->usb_err < 0) {
1795 			pr_err("Device initialization failed\n");
1796 			return gspca_dev->usb_err;
1797 		}
1798 	}
1799 
1800 	if (sd->flags & LED_REVERSE)
1801 		reg_w1(gspca_dev, 0x1006, 0x00);
1802 	else
1803 		reg_w1(gspca_dev, 0x1006, 0x20);
1804 
1805 	reg_w(gspca_dev, 0x10c0, i2c_init, 9);
1806 	if (gspca_dev->usb_err < 0) {
1807 		pr_err("Device initialization failed\n");
1808 		return gspca_dev->usb_err;
1809 	}
1810 
1811 	switch (sd->sensor) {
1812 	case SENSOR_OV9650:
1813 		ov9650_init_sensor(gspca_dev);
1814 		if (gspca_dev->usb_err < 0)
1815 			break;
1816 		pr_info("OV9650 sensor detected\n");
1817 		break;
1818 	case SENSOR_OV9655:
1819 		ov9655_init_sensor(gspca_dev);
1820 		if (gspca_dev->usb_err < 0)
1821 			break;
1822 		pr_info("OV9655 sensor detected\n");
1823 		break;
1824 	case SENSOR_SOI968:
1825 		soi968_init_sensor(gspca_dev);
1826 		if (gspca_dev->usb_err < 0)
1827 			break;
1828 		pr_info("SOI968 sensor detected\n");
1829 		break;
1830 	case SENSOR_OV7660:
1831 		ov7660_init_sensor(gspca_dev);
1832 		if (gspca_dev->usb_err < 0)
1833 			break;
1834 		pr_info("OV7660 sensor detected\n");
1835 		break;
1836 	case SENSOR_OV7670:
1837 		ov7670_init_sensor(gspca_dev);
1838 		if (gspca_dev->usb_err < 0)
1839 			break;
1840 		pr_info("OV7670 sensor detected\n");
1841 		break;
1842 	case SENSOR_MT9VPRB:
1843 		mt9v_init_sensor(gspca_dev);
1844 		if (gspca_dev->usb_err < 0)
1845 			break;
1846 		pr_info("MT9VPRB sensor detected\n");
1847 		break;
1848 	case SENSOR_MT9M111:
1849 		mt9m111_init_sensor(gspca_dev);
1850 		if (gspca_dev->usb_err < 0)
1851 			break;
1852 		pr_info("MT9M111 sensor detected\n");
1853 		break;
1854 	case SENSOR_MT9M112:
1855 		mt9m112_init_sensor(gspca_dev);
1856 		if (gspca_dev->usb_err < 0)
1857 			break;
1858 		pr_info("MT9M112 sensor detected\n");
1859 		break;
1860 	case SENSOR_MT9M001:
1861 		mt9m001_init_sensor(gspca_dev);
1862 		if (gspca_dev->usb_err < 0)
1863 			break;
1864 		break;
1865 	case SENSOR_HV7131R:
1866 		hv7131r_init_sensor(gspca_dev);
1867 		if (gspca_dev->usb_err < 0)
1868 			break;
1869 		pr_info("HV7131R sensor detected\n");
1870 		break;
1871 	default:
1872 		pr_err("Unsupported sensor\n");
1873 		gspca_dev->usb_err = -ENODEV;
1874 	}
1875 	return gspca_dev->usb_err;
1876 }
1877 
1878 static void configure_sensor_output(struct gspca_dev *gspca_dev, int mode)
1879 {
1880 	struct sd *sd = (struct sd *) gspca_dev;
1881 	u8 value;
1882 
1883 	switch (sd->sensor) {
1884 	case SENSOR_SOI968:
1885 		if (mode & MODE_SXGA) {
1886 			i2c_w1(gspca_dev, 0x17, 0x1d);
1887 			i2c_w1(gspca_dev, 0x18, 0xbd);
1888 			i2c_w1(gspca_dev, 0x19, 0x01);
1889 			i2c_w1(gspca_dev, 0x1a, 0x81);
1890 			i2c_w1(gspca_dev, 0x12, 0x00);
1891 			sd->hstart = 140;
1892 			sd->vstart = 19;
1893 		} else {
1894 			i2c_w1(gspca_dev, 0x17, 0x13);
1895 			i2c_w1(gspca_dev, 0x18, 0x63);
1896 			i2c_w1(gspca_dev, 0x19, 0x01);
1897 			i2c_w1(gspca_dev, 0x1a, 0x79);
1898 			i2c_w1(gspca_dev, 0x12, 0x40);
1899 			sd->hstart = 60;
1900 			sd->vstart = 11;
1901 		}
1902 		break;
1903 	case SENSOR_OV9650:
1904 		if (mode & MODE_SXGA) {
1905 			i2c_w1(gspca_dev, 0x17, 0x1b);
1906 			i2c_w1(gspca_dev, 0x18, 0xbc);
1907 			i2c_w1(gspca_dev, 0x19, 0x01);
1908 			i2c_w1(gspca_dev, 0x1a, 0x82);
1909 			i2c_r1(gspca_dev, 0x12, &value);
1910 			i2c_w1(gspca_dev, 0x12, value & 0x07);
1911 		} else {
1912 			i2c_w1(gspca_dev, 0x17, 0x24);
1913 			i2c_w1(gspca_dev, 0x18, 0xc5);
1914 			i2c_w1(gspca_dev, 0x19, 0x00);
1915 			i2c_w1(gspca_dev, 0x1a, 0x3c);
1916 			i2c_r1(gspca_dev, 0x12, &value);
1917 			i2c_w1(gspca_dev, 0x12, (value & 0x7) | 0x40);
1918 		}
1919 		break;
1920 	case SENSOR_MT9M112:
1921 	case SENSOR_MT9M111:
1922 		if (mode & MODE_SXGA) {
1923 			i2c_w2(gspca_dev, 0xf0, 0x0002);
1924 			i2c_w2(gspca_dev, 0xc8, 0x970b);
1925 			i2c_w2(gspca_dev, 0xf0, 0x0000);
1926 		} else {
1927 			i2c_w2(gspca_dev, 0xf0, 0x0002);
1928 			i2c_w2(gspca_dev, 0xc8, 0x8000);
1929 			i2c_w2(gspca_dev, 0xf0, 0x0000);
1930 		}
1931 		break;
1932 	}
1933 }
1934 
1935 static int sd_isoc_init(struct gspca_dev *gspca_dev)
1936 {
1937 	struct usb_interface *intf;
1938 	u32 flags = gspca_dev->cam.cam_mode[(int)gspca_dev->curr_mode].priv;
1939 
1940 	/*
1941 	 * When using the SN9C20X_I420 fmt the sn9c20x needs more bandwidth
1942 	 * than our regular bandwidth calculations reserve, so we force the
1943 	 * use of a specific altsetting when using the SN9C20X_I420 fmt.
1944 	 */
1945 	if (!(flags & (MODE_RAW | MODE_JPEG))) {
1946 		intf = usb_ifnum_to_if(gspca_dev->dev, gspca_dev->iface);
1947 
1948 		if (intf->num_altsetting != 9) {
1949 			pr_warn("sn9c20x camera with unknown number of alt settings (%d), please report!\n",
1950 				intf->num_altsetting);
1951 			gspca_dev->alt = intf->num_altsetting;
1952 			return 0;
1953 		}
1954 
1955 		switch (gspca_dev->pixfmt.width) {
1956 		case 160: /* 160x120 */
1957 			gspca_dev->alt = 2;
1958 			break;
1959 		case 320: /* 320x240 */
1960 			gspca_dev->alt = 6;
1961 			break;
1962 		default:  /* >= 640x480 */
1963 			gspca_dev->alt = 9;
1964 			break;
1965 		}
1966 	}
1967 
1968 	return 0;
1969 }
1970 
1971 #define HW_WIN(mode, hstart, vstart) \
1972 ((const u8 []){hstart, 0, vstart, 0, \
1973 (mode & MODE_SXGA ? 1280 >> 4 : 640 >> 4), \
1974 (mode & MODE_SXGA ? 1024 >> 3 : 480 >> 3)})
1975 
1976 #define CLR_WIN(width, height) \
1977 ((const u8 [])\
1978 {0, width >> 2, 0, height >> 1,\
1979 ((width >> 10) & 0x01) | ((height >> 8) & 0x6)})
1980 
1981 static int sd_start(struct gspca_dev *gspca_dev)
1982 {
1983 	struct sd *sd = (struct sd *) gspca_dev;
1984 	int mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
1985 	int width = gspca_dev->pixfmt.width;
1986 	int height = gspca_dev->pixfmt.height;
1987 	u8 fmt, scale = 0;
1988 
1989 	jpeg_define(sd->jpeg_hdr, height, width,
1990 			0x21);
1991 	jpeg_set_qual(sd->jpeg_hdr, v4l2_ctrl_g_ctrl(sd->jpegqual));
1992 
1993 	if (mode & MODE_RAW)
1994 		fmt = 0x2d;
1995 	else if (mode & MODE_JPEG)
1996 		fmt = 0x24;
1997 	else
1998 		fmt = 0x2f;	/* YUV 420 */
1999 	sd->fmt = fmt;
2000 
2001 	switch (mode & SCALE_MASK) {
2002 	case SCALE_1280x1024:
2003 		scale = 0xc0;
2004 		pr_info("Set 1280x1024\n");
2005 		break;
2006 	case SCALE_640x480:
2007 		scale = 0x80;
2008 		pr_info("Set 640x480\n");
2009 		break;
2010 	case SCALE_320x240:
2011 		scale = 0x90;
2012 		pr_info("Set 320x240\n");
2013 		break;
2014 	case SCALE_160x120:
2015 		scale = 0xa0;
2016 		pr_info("Set 160x120\n");
2017 		break;
2018 	}
2019 
2020 	configure_sensor_output(gspca_dev, mode);
2021 	reg_w(gspca_dev, 0x1100, &sd->jpeg_hdr[JPEG_QT0_OFFSET], 64);
2022 	reg_w(gspca_dev, 0x1140, &sd->jpeg_hdr[JPEG_QT1_OFFSET], 64);
2023 	reg_w(gspca_dev, 0x10fb, CLR_WIN(width, height), 5);
2024 	reg_w(gspca_dev, 0x1180, HW_WIN(mode, sd->hstart, sd->vstart), 6);
2025 	reg_w1(gspca_dev, 0x1189, scale);
2026 	reg_w1(gspca_dev, 0x10e0, fmt);
2027 
2028 	set_cmatrix(gspca_dev, v4l2_ctrl_g_ctrl(sd->brightness),
2029 			v4l2_ctrl_g_ctrl(sd->contrast),
2030 			v4l2_ctrl_g_ctrl(sd->saturation),
2031 			v4l2_ctrl_g_ctrl(sd->hue));
2032 	set_gamma(gspca_dev, v4l2_ctrl_g_ctrl(sd->gamma));
2033 	set_redblue(gspca_dev, v4l2_ctrl_g_ctrl(sd->blue),
2034 			v4l2_ctrl_g_ctrl(sd->red));
2035 	if (sd->gain)
2036 		set_gain(gspca_dev, v4l2_ctrl_g_ctrl(sd->gain));
2037 	if (sd->exposure)
2038 		set_exposure(gspca_dev, v4l2_ctrl_g_ctrl(sd->exposure));
2039 	if (sd->hflip)
2040 		set_hvflip(gspca_dev, v4l2_ctrl_g_ctrl(sd->hflip),
2041 				v4l2_ctrl_g_ctrl(sd->vflip));
2042 
2043 	reg_w1(gspca_dev, 0x1007, 0x20);
2044 	reg_w1(gspca_dev, 0x1061, 0x03);
2045 
2046 	/* if JPEG, prepare the compression quality update */
2047 	if (mode & MODE_JPEG) {
2048 		sd->pktsz = sd->npkt = 0;
2049 		sd->nchg = 0;
2050 	}
2051 
2052 	return gspca_dev->usb_err;
2053 }
2054 
2055 static void sd_stopN(struct gspca_dev *gspca_dev)
2056 {
2057 	reg_w1(gspca_dev, 0x1007, 0x00);
2058 	reg_w1(gspca_dev, 0x1061, 0x01);
2059 }
2060 
2061 /* called on streamoff with alt==0 and on disconnect */
2062 /* the usb_lock is held at entry - restore on exit */
2063 static void sd_stop0(struct gspca_dev *gspca_dev)
2064 {
2065 	struct sd *sd = (struct sd *) gspca_dev;
2066 
2067 	mutex_unlock(&gspca_dev->usb_lock);
2068 	flush_work(&sd->work);
2069 	mutex_lock(&gspca_dev->usb_lock);
2070 }
2071 
2072 static void do_autoexposure(struct gspca_dev *gspca_dev, u16 avg_lum)
2073 {
2074 	struct sd *sd = (struct sd *) gspca_dev;
2075 	s32 cur_exp = v4l2_ctrl_g_ctrl(sd->exposure);
2076 	s32 max = sd->exposure->maximum - sd->exposure_step;
2077 	s32 min = sd->exposure->minimum + sd->exposure_step;
2078 	s16 new_exp;
2079 
2080 	/*
2081 	 * some hardcoded values are present
2082 	 * like those for maximal/minimal exposure
2083 	 * and exposure steps
2084 	 */
2085 	if (avg_lum < MIN_AVG_LUM) {
2086 		if (cur_exp > max)
2087 			return;
2088 
2089 		new_exp = cur_exp + sd->exposure_step;
2090 		if (new_exp > max)
2091 			new_exp = max;
2092 		if (new_exp < min)
2093 			new_exp = min;
2094 		v4l2_ctrl_s_ctrl(sd->exposure, new_exp);
2095 
2096 		sd->older_step = sd->old_step;
2097 		sd->old_step = 1;
2098 
2099 		if (sd->old_step ^ sd->older_step)
2100 			sd->exposure_step /= 2;
2101 		else
2102 			sd->exposure_step += 2;
2103 	}
2104 	if (avg_lum > MAX_AVG_LUM) {
2105 		if (cur_exp < min)
2106 			return;
2107 		new_exp = cur_exp - sd->exposure_step;
2108 		if (new_exp > max)
2109 			new_exp = max;
2110 		if (new_exp < min)
2111 			new_exp = min;
2112 		v4l2_ctrl_s_ctrl(sd->exposure, new_exp);
2113 		sd->older_step = sd->old_step;
2114 		sd->old_step = 0;
2115 
2116 		if (sd->old_step ^ sd->older_step)
2117 			sd->exposure_step /= 2;
2118 		else
2119 			sd->exposure_step += 2;
2120 	}
2121 }
2122 
2123 static void do_autogain(struct gspca_dev *gspca_dev, u16 avg_lum)
2124 {
2125 	struct sd *sd = (struct sd *) gspca_dev;
2126 	s32 cur_gain = v4l2_ctrl_g_ctrl(sd->gain);
2127 
2128 	if (avg_lum < MIN_AVG_LUM && cur_gain < sd->gain->maximum)
2129 		v4l2_ctrl_s_ctrl(sd->gain, cur_gain + 1);
2130 	if (avg_lum > MAX_AVG_LUM && cur_gain > sd->gain->minimum)
2131 		v4l2_ctrl_s_ctrl(sd->gain, cur_gain - 1);
2132 }
2133 
2134 static void sd_dqcallback(struct gspca_dev *gspca_dev)
2135 {
2136 	struct sd *sd = (struct sd *) gspca_dev;
2137 	int avg_lum;
2138 
2139 	if (sd->autogain == NULL || !v4l2_ctrl_g_ctrl(sd->autogain))
2140 		return;
2141 
2142 	avg_lum = atomic_read(&sd->avg_lum);
2143 	if (sd->sensor == SENSOR_SOI968)
2144 		do_autogain(gspca_dev, avg_lum);
2145 	else
2146 		do_autoexposure(gspca_dev, avg_lum);
2147 }
2148 
2149 /* JPEG quality update */
2150 /* This function is executed from a work queue. */
2151 static void qual_upd(struct work_struct *work)
2152 {
2153 	struct sd *sd = container_of(work, struct sd, work);
2154 	struct gspca_dev *gspca_dev = &sd->gspca_dev;
2155 	s32 qual = v4l2_ctrl_g_ctrl(sd->jpegqual);
2156 
2157 	/* To protect gspca_dev->usb_buf and gspca_dev->usb_err */
2158 	mutex_lock(&gspca_dev->usb_lock);
2159 	gspca_dbg(gspca_dev, D_STREAM, "qual_upd %d%%\n", qual);
2160 	gspca_dev->usb_err = 0;
2161 	set_quality(gspca_dev, qual);
2162 	mutex_unlock(&gspca_dev->usb_lock);
2163 }
2164 
2165 #if IS_ENABLED(CONFIG_INPUT)
2166 static int sd_int_pkt_scan(struct gspca_dev *gspca_dev,
2167 			u8 *data,		/* interrupt packet */
2168 			int len)		/* interrupt packet length */
2169 {
2170 	struct sd *sd = (struct sd *) gspca_dev;
2171 
2172 	if (!(sd->flags & HAS_NO_BUTTON) && len == 1) {
2173 		input_report_key(gspca_dev->input_dev, KEY_CAMERA, 1);
2174 		input_sync(gspca_dev->input_dev);
2175 		input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0);
2176 		input_sync(gspca_dev->input_dev);
2177 		return 0;
2178 	}
2179 	return -EINVAL;
2180 }
2181 #endif
2182 
2183 /* check the JPEG compression */
2184 static void transfer_check(struct gspca_dev *gspca_dev,
2185 			u8 *data)
2186 {
2187 	struct sd *sd = (struct sd *) gspca_dev;
2188 	int new_qual, r;
2189 
2190 	new_qual = 0;
2191 
2192 	/* if USB error, discard the frame and decrease the quality */
2193 	if (data[6] & 0x08) {				/* USB FIFO full */
2194 		gspca_dev->last_packet_type = DISCARD_PACKET;
2195 		new_qual = -5;
2196 	} else {
2197 
2198 		/* else, compute the filling rate and a new JPEG quality */
2199 		r = (sd->pktsz * 100) /
2200 			(sd->npkt *
2201 				gspca_dev->urb[0]->iso_frame_desc[0].length);
2202 		if (r >= 85)
2203 			new_qual = -3;
2204 		else if (r < 75)
2205 			new_qual = 2;
2206 	}
2207 	if (new_qual != 0) {
2208 		sd->nchg += new_qual;
2209 		if (sd->nchg < -6 || sd->nchg >= 12) {
2210 			/* Note: we are in interrupt context, so we can't
2211 			   use v4l2_ctrl_g/s_ctrl here. Access the value
2212 			   directly instead. */
2213 			s32 curqual = sd->jpegqual->cur.val;
2214 			sd->nchg = 0;
2215 			new_qual += curqual;
2216 			if (new_qual < sd->jpegqual->minimum)
2217 				new_qual = sd->jpegqual->minimum;
2218 			else if (new_qual > sd->jpegqual->maximum)
2219 				new_qual = sd->jpegqual->maximum;
2220 			if (new_qual != curqual) {
2221 				sd->jpegqual->cur.val = new_qual;
2222 				schedule_work(&sd->work);
2223 			}
2224 		}
2225 	} else {
2226 		sd->nchg = 0;
2227 	}
2228 	sd->pktsz = sd->npkt = 0;
2229 }
2230 
2231 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
2232 			u8 *data,			/* isoc packet */
2233 			int len)			/* iso packet length */
2234 {
2235 	struct sd *sd = (struct sd *) gspca_dev;
2236 	int avg_lum, is_jpeg;
2237 	static const u8 frame_header[] = {
2238 		0xff, 0xff, 0x00, 0xc4, 0xc4, 0x96
2239 	};
2240 
2241 	is_jpeg = (sd->fmt & 0x03) == 0;
2242 	if (len >= 64 && memcmp(data, frame_header, 6) == 0) {
2243 		avg_lum = ((data[35] >> 2) & 3) |
2244 			   (data[20] << 2) |
2245 			   (data[19] << 10);
2246 		avg_lum += ((data[35] >> 4) & 3) |
2247 			    (data[22] << 2) |
2248 			    (data[21] << 10);
2249 		avg_lum += ((data[35] >> 6) & 3) |
2250 			    (data[24] << 2) |
2251 			    (data[23] << 10);
2252 		avg_lum += (data[36] & 3) |
2253 			   (data[26] << 2) |
2254 			   (data[25] << 10);
2255 		avg_lum += ((data[36] >> 2) & 3) |
2256 			    (data[28] << 2) |
2257 			    (data[27] << 10);
2258 		avg_lum += ((data[36] >> 4) & 3) |
2259 			    (data[30] << 2) |
2260 			    (data[29] << 10);
2261 		avg_lum += ((data[36] >> 6) & 3) |
2262 			    (data[32] << 2) |
2263 			    (data[31] << 10);
2264 		avg_lum += ((data[44] >> 4) & 3) |
2265 			    (data[34] << 2) |
2266 			    (data[33] << 10);
2267 		avg_lum >>= 9;
2268 		atomic_set(&sd->avg_lum, avg_lum);
2269 
2270 		if (is_jpeg)
2271 			transfer_check(gspca_dev, data);
2272 
2273 		gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
2274 		len -= 64;
2275 		if (len == 0)
2276 			return;
2277 		data += 64;
2278 	}
2279 	if (gspca_dev->last_packet_type == LAST_PACKET) {
2280 		if (is_jpeg) {
2281 			gspca_frame_add(gspca_dev, FIRST_PACKET,
2282 				sd->jpeg_hdr, JPEG_HDR_SZ);
2283 			gspca_frame_add(gspca_dev, INTER_PACKET,
2284 				data, len);
2285 		} else {
2286 			gspca_frame_add(gspca_dev, FIRST_PACKET,
2287 				data, len);
2288 		}
2289 	} else {
2290 		/* if JPEG, count the packets and their size */
2291 		if (is_jpeg) {
2292 			sd->npkt++;
2293 			sd->pktsz += len;
2294 		}
2295 		gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
2296 	}
2297 }
2298 
2299 /* sub-driver description */
2300 static const struct sd_desc sd_desc = {
2301 	.name = KBUILD_MODNAME,
2302 	.config = sd_config,
2303 	.init = sd_init,
2304 	.init_controls = sd_init_controls,
2305 	.isoc_init = sd_isoc_init,
2306 	.start = sd_start,
2307 	.stopN = sd_stopN,
2308 	.stop0 = sd_stop0,
2309 	.pkt_scan = sd_pkt_scan,
2310 #if IS_ENABLED(CONFIG_INPUT)
2311 	.int_pkt_scan = sd_int_pkt_scan,
2312 #endif
2313 	.dq_callback = sd_dqcallback,
2314 #ifdef CONFIG_VIDEO_ADV_DEBUG
2315 	.set_register = sd_dbg_s_register,
2316 	.get_register = sd_dbg_g_register,
2317 	.get_chip_info = sd_chip_info,
2318 #endif
2319 };
2320 
2321 #define SN9C20X(sensor, i2c_addr, flags) \
2322 	.driver_info =  ((flags & 0xff) << 16) \
2323 			| (SENSOR_ ## sensor << 8) \
2324 			| (i2c_addr)
2325 
2326 static const struct usb_device_id device_table[] = {
2327 	{USB_DEVICE(0x0c45, 0x6240), SN9C20X(MT9M001, 0x5d, 0)},
2328 	{USB_DEVICE(0x0c45, 0x6242), SN9C20X(MT9M111, 0x5d, 0)},
2329 	{USB_DEVICE(0x0c45, 0x6248), SN9C20X(OV9655, 0x30, 0)},
2330 	{USB_DEVICE(0x0c45, 0x624c), SN9C20X(MT9M112, 0x5d, 0)},
2331 	{USB_DEVICE(0x0c45, 0x624e), SN9C20X(SOI968, 0x30, LED_REVERSE)},
2332 	{USB_DEVICE(0x0c45, 0x624f), SN9C20X(OV9650, 0x30,
2333 					     (FLIP_DETECT | HAS_NO_BUTTON))},
2334 	{USB_DEVICE(0x0c45, 0x6251), SN9C20X(OV9650, 0x30, 0)},
2335 	{USB_DEVICE(0x0c45, 0x6253), SN9C20X(OV9650, 0x30, 0)},
2336 	{USB_DEVICE(0x0c45, 0x6260), SN9C20X(OV7670, 0x21, 0)},
2337 	{USB_DEVICE(0x0c45, 0x6270), SN9C20X(MT9VPRB, 0x00, 0)},
2338 	{USB_DEVICE(0x0c45, 0x627b), SN9C20X(OV7660, 0x21, FLIP_DETECT)},
2339 	{USB_DEVICE(0x0c45, 0x627c), SN9C20X(HV7131R, 0x11, 0)},
2340 	{USB_DEVICE(0x0c45, 0x627f), SN9C20X(OV9650, 0x30, 0)},
2341 	{USB_DEVICE(0x0c45, 0x6280), SN9C20X(MT9M001, 0x5d, 0)},
2342 	{USB_DEVICE(0x0c45, 0x6282), SN9C20X(MT9M111, 0x5d, 0)},
2343 	{USB_DEVICE(0x0c45, 0x6288), SN9C20X(OV9655, 0x30, 0)},
2344 	{USB_DEVICE(0x0c45, 0x628c), SN9C20X(MT9M112, 0x5d, 0)},
2345 	{USB_DEVICE(0x0c45, 0x628e), SN9C20X(SOI968, 0x30, 0)},
2346 	{USB_DEVICE(0x0c45, 0x628f), SN9C20X(OV9650, 0x30, 0)},
2347 	{USB_DEVICE(0x0c45, 0x62a0), SN9C20X(OV7670, 0x21, 0)},
2348 	{USB_DEVICE(0x0c45, 0x62b0), SN9C20X(MT9VPRB, 0x00, 0)},
2349 	{USB_DEVICE(0x0c45, 0x62b3), SN9C20X(OV9655, 0x30, LED_REVERSE)},
2350 	{USB_DEVICE(0x0c45, 0x62bb), SN9C20X(OV7660, 0x21, LED_REVERSE)},
2351 	{USB_DEVICE(0x0c45, 0x62bc), SN9C20X(HV7131R, 0x11, 0)},
2352 	{USB_DEVICE(0x045e, 0x00f4), SN9C20X(OV9650, 0x30, 0)},
2353 	{USB_DEVICE(0x145f, 0x013d), SN9C20X(OV7660, 0x21, 0)},
2354 	{USB_DEVICE(0x0458, 0x7029), SN9C20X(HV7131R, 0x11, 0)},
2355 	{USB_DEVICE(0x0458, 0x7045), SN9C20X(MT9M112, 0x5d, LED_REVERSE)},
2356 	{USB_DEVICE(0x0458, 0x704a), SN9C20X(MT9M112, 0x5d, 0)},
2357 	{USB_DEVICE(0x0458, 0x704c), SN9C20X(MT9M112, 0x5d, 0)},
2358 	{USB_DEVICE(0xa168, 0x0610), SN9C20X(HV7131R, 0x11, 0)},
2359 	{USB_DEVICE(0xa168, 0x0611), SN9C20X(HV7131R, 0x11, 0)},
2360 	{USB_DEVICE(0xa168, 0x0613), SN9C20X(HV7131R, 0x11, 0)},
2361 	{USB_DEVICE(0xa168, 0x0618), SN9C20X(HV7131R, 0x11, 0)},
2362 	{USB_DEVICE(0xa168, 0x0614), SN9C20X(MT9M111, 0x5d, 0)},
2363 	{USB_DEVICE(0xa168, 0x0615), SN9C20X(MT9M111, 0x5d, 0)},
2364 	{USB_DEVICE(0xa168, 0x0617), SN9C20X(MT9M111, 0x5d, 0)},
2365 	{}
2366 };
2367 MODULE_DEVICE_TABLE(usb, device_table);
2368 
2369 /* -- device connect -- */
2370 static int sd_probe(struct usb_interface *intf,
2371 		    const struct usb_device_id *id)
2372 {
2373 	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
2374 				THIS_MODULE);
2375 }
2376 
2377 static struct usb_driver sd_driver = {
2378 	.name = KBUILD_MODNAME,
2379 	.id_table = device_table,
2380 	.probe = sd_probe,
2381 	.disconnect = gspca_disconnect,
2382 #ifdef CONFIG_PM
2383 	.suspend = gspca_suspend,
2384 	.resume = gspca_resume,
2385 	.reset_resume = gspca_resume,
2386 #endif
2387 };
2388 
2389 module_usb_driver(sd_driver);
2390