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