diff options
Diffstat (limited to 'drivers/media/video/gspca/sonixb.c')
-rw-r--r-- | drivers/media/video/gspca/sonixb.c | 1541 |
1 files changed, 1541 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/sonixb.c b/drivers/media/video/gspca/sonixb.c new file mode 100644 index 00000000000..146b459b08d --- /dev/null +++ b/drivers/media/video/gspca/sonixb.c | |||
@@ -0,0 +1,1541 @@ | |||
1 | /* | ||
2 | * sonix sn9c102 (bayer) library | ||
3 | * | ||
4 | * Copyright (C) 2009-2011 Jean-François Moine <http://moinejf.free.fr> | ||
5 | * Copyright (C) 2003 2004 Michel Xhaard mxhaard@magic.fr | ||
6 | * Add Pas106 Stefano Mozzi (C) 2004 | ||
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 | * You should have received a copy of the GNU General Public License | ||
19 | * along with this program; if not, write to the Free Software | ||
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
21 | */ | ||
22 | |||
23 | /* Some documentation on known sonixb registers: | ||
24 | |||
25 | Reg Use | ||
26 | sn9c101 / sn9c102: | ||
27 | 0x10 high nibble red gain low nibble blue gain | ||
28 | 0x11 low nibble green gain | ||
29 | sn9c103: | ||
30 | 0x05 red gain 0-127 | ||
31 | 0x06 blue gain 0-127 | ||
32 | 0x07 green gain 0-127 | ||
33 | all: | ||
34 | 0x08-0x0f i2c / 3wire registers | ||
35 | 0x12 hstart | ||
36 | 0x13 vstart | ||
37 | 0x15 hsize (hsize = register-value * 16) | ||
38 | 0x16 vsize (vsize = register-value * 16) | ||
39 | 0x17 bit 0 toggle compression quality (according to sn9c102 driver) | ||
40 | 0x18 bit 7 enables compression, bit 4-5 set image down scaling: | ||
41 | 00 scale 1, 01 scale 1/2, 10, scale 1/4 | ||
42 | 0x19 high-nibble is sensor clock divider, changes exposure on sensors which | ||
43 | use a clock generated by the bridge. Some sensors have their own clock. | ||
44 | 0x1c auto_exposure area (for avg_lum) startx (startx = register-value * 32) | ||
45 | 0x1d auto_exposure area (for avg_lum) starty (starty = register-value * 32) | ||
46 | 0x1e auto_exposure area (for avg_lum) stopx (hsize = (0x1e - 0x1c) * 32) | ||
47 | 0x1f auto_exposure area (for avg_lum) stopy (vsize = (0x1f - 0x1d) * 32) | ||
48 | */ | ||
49 | |||
50 | #define MODULE_NAME "sonixb" | ||
51 | |||
52 | #include <linux/input.h> | ||
53 | #include "gspca.h" | ||
54 | |||
55 | MODULE_AUTHOR("Jean-François Moine <http://moinejf.free.fr>"); | ||
56 | MODULE_DESCRIPTION("GSPCA/SN9C102 USB Camera Driver"); | ||
57 | MODULE_LICENSE("GPL"); | ||
58 | |||
59 | /* controls */ | ||
60 | enum e_ctrl { | ||
61 | BRIGHTNESS, | ||
62 | GAIN, | ||
63 | EXPOSURE, | ||
64 | AUTOGAIN, | ||
65 | FREQ, | ||
66 | NCTRLS /* number of controls */ | ||
67 | }; | ||
68 | |||
69 | /* specific webcam descriptor */ | ||
70 | struct sd { | ||
71 | struct gspca_dev gspca_dev; /* !! must be the first item */ | ||
72 | |||
73 | struct gspca_ctrl ctrls[NCTRLS]; | ||
74 | |||
75 | atomic_t avg_lum; | ||
76 | int prev_avg_lum; | ||
77 | int exp_too_low_cnt; | ||
78 | int exp_too_high_cnt; | ||
79 | int header_read; | ||
80 | u8 header[12]; /* Header without sof marker */ | ||
81 | |||
82 | unsigned char autogain_ignore_frames; | ||
83 | unsigned char frames_to_drop; | ||
84 | |||
85 | __u8 bridge; /* Type of bridge */ | ||
86 | #define BRIDGE_101 0 | ||
87 | #define BRIDGE_102 0 /* We make no difference between 101 and 102 */ | ||
88 | #define BRIDGE_103 1 | ||
89 | |||
90 | __u8 sensor; /* Type of image sensor chip */ | ||
91 | #define SENSOR_HV7131D 0 | ||
92 | #define SENSOR_HV7131R 1 | ||
93 | #define SENSOR_OV6650 2 | ||
94 | #define SENSOR_OV7630 3 | ||
95 | #define SENSOR_PAS106 4 | ||
96 | #define SENSOR_PAS202 5 | ||
97 | #define SENSOR_TAS5110C 6 | ||
98 | #define SENSOR_TAS5110D 7 | ||
99 | #define SENSOR_TAS5130CXX 8 | ||
100 | __u8 reg11; | ||
101 | }; | ||
102 | |||
103 | typedef const __u8 sensor_init_t[8]; | ||
104 | |||
105 | struct sensor_data { | ||
106 | const __u8 *bridge_init; | ||
107 | sensor_init_t *sensor_init; | ||
108 | int sensor_init_size; | ||
109 | int flags; | ||
110 | unsigned ctrl_dis; | ||
111 | __u8 sensor_addr; | ||
112 | }; | ||
113 | |||
114 | /* sensor_data flags */ | ||
115 | #define F_GAIN 0x01 /* has gain */ | ||
116 | #define F_SIF 0x02 /* sif or vga */ | ||
117 | #define F_COARSE_EXPO 0x04 /* exposure control is coarse */ | ||
118 | |||
119 | /* priv field of struct v4l2_pix_format flags (do not use low nibble!) */ | ||
120 | #define MODE_RAW 0x10 /* raw bayer mode */ | ||
121 | #define MODE_REDUCED_SIF 0x20 /* vga mode (320x240 / 160x120) on sif cam */ | ||
122 | |||
123 | /* ctrl_dis helper macros */ | ||
124 | #define NO_EXPO ((1 << EXPOSURE) | (1 << AUTOGAIN)) | ||
125 | #define NO_FREQ (1 << FREQ) | ||
126 | #define NO_BRIGHTNESS (1 << BRIGHTNESS) | ||
127 | |||
128 | #define COMP 0xc7 /* 0x87 //0x07 */ | ||
129 | #define COMP1 0xc9 /* 0x89 //0x09 */ | ||
130 | |||
131 | #define MCK_INIT 0x63 | ||
132 | #define MCK_INIT1 0x20 /*fixme: Bayer - 0x50 for JPEG ??*/ | ||
133 | |||
134 | #define SYS_CLK 0x04 | ||
135 | |||
136 | #define SENS(bridge, sensor, _flags, _ctrl_dis, _sensor_addr) \ | ||
137 | { \ | ||
138 | .bridge_init = bridge, \ | ||
139 | .sensor_init = sensor, \ | ||
140 | .sensor_init_size = sizeof(sensor), \ | ||
141 | .flags = _flags, .ctrl_dis = _ctrl_dis, .sensor_addr = _sensor_addr \ | ||
142 | } | ||
143 | |||
144 | /* We calculate the autogain at the end of the transfer of a frame, at this | ||
145 | moment a frame with the old settings is being captured and transmitted. So | ||
146 | if we adjust the gain or exposure we must ignore atleast the next frame for | ||
147 | the new settings to come into effect before doing any other adjustments. */ | ||
148 | #define AUTOGAIN_IGNORE_FRAMES 1 | ||
149 | |||
150 | /* V4L2 controls supported by the driver */ | ||
151 | static void setbrightness(struct gspca_dev *gspca_dev); | ||
152 | static void setgain(struct gspca_dev *gspca_dev); | ||
153 | static void setexposure(struct gspca_dev *gspca_dev); | ||
154 | static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val); | ||
155 | static void setfreq(struct gspca_dev *gspca_dev); | ||
156 | |||
157 | static const struct ctrl sd_ctrls[NCTRLS] = { | ||
158 | [BRIGHTNESS] = { | ||
159 | { | ||
160 | .id = V4L2_CID_BRIGHTNESS, | ||
161 | .type = V4L2_CTRL_TYPE_INTEGER, | ||
162 | .name = "Brightness", | ||
163 | .minimum = 0, | ||
164 | .maximum = 255, | ||
165 | .step = 1, | ||
166 | .default_value = 127, | ||
167 | }, | ||
168 | .set_control = setbrightness | ||
169 | }, | ||
170 | [GAIN] = { | ||
171 | { | ||
172 | .id = V4L2_CID_GAIN, | ||
173 | .type = V4L2_CTRL_TYPE_INTEGER, | ||
174 | .name = "Gain", | ||
175 | .minimum = 0, | ||
176 | .maximum = 255, | ||
177 | .step = 1, | ||
178 | #define GAIN_KNEE 230 | ||
179 | .default_value = 127, | ||
180 | }, | ||
181 | .set_control = setgain | ||
182 | }, | ||
183 | [EXPOSURE] = { | ||
184 | { | ||
185 | .id = V4L2_CID_EXPOSURE, | ||
186 | .type = V4L2_CTRL_TYPE_INTEGER, | ||
187 | .name = "Exposure", | ||
188 | .minimum = 0, | ||
189 | .maximum = 1023, | ||
190 | .step = 1, | ||
191 | .default_value = 66, | ||
192 | /* 33 ms / 30 fps (except on PASXXX) */ | ||
193 | #define EXPOSURE_KNEE 200 /* 100 ms / 10 fps (except on PASXXX) */ | ||
194 | .flags = 0, | ||
195 | }, | ||
196 | .set_control = setexposure | ||
197 | }, | ||
198 | /* for coarse exposure */ | ||
199 | #define COARSE_EXPOSURE_MIN 2 | ||
200 | #define COARSE_EXPOSURE_MAX 15 | ||
201 | #define COARSE_EXPOSURE_DEF 2 /* 30 fps */ | ||
202 | [AUTOGAIN] = { | ||
203 | { | ||
204 | .id = V4L2_CID_AUTOGAIN, | ||
205 | .type = V4L2_CTRL_TYPE_BOOLEAN, | ||
206 | .name = "Automatic Gain (and Exposure)", | ||
207 | .minimum = 0, | ||
208 | .maximum = 1, | ||
209 | .step = 1, | ||
210 | #define AUTOGAIN_DEF 1 | ||
211 | .default_value = AUTOGAIN_DEF, | ||
212 | .flags = V4L2_CTRL_FLAG_UPDATE | ||
213 | }, | ||
214 | .set = sd_setautogain, | ||
215 | }, | ||
216 | [FREQ] = { | ||
217 | { | ||
218 | .id = V4L2_CID_POWER_LINE_FREQUENCY, | ||
219 | .type = V4L2_CTRL_TYPE_MENU, | ||
220 | .name = "Light frequency filter", | ||
221 | .minimum = 0, | ||
222 | .maximum = 2, /* 0: 0, 1: 50Hz, 2:60Hz */ | ||
223 | .step = 1, | ||
224 | #define FREQ_DEF 0 | ||
225 | .default_value = FREQ_DEF, | ||
226 | }, | ||
227 | .set_control = setfreq | ||
228 | }, | ||
229 | }; | ||
230 | |||
231 | static const struct v4l2_pix_format vga_mode[] = { | ||
232 | {160, 120, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, | ||
233 | .bytesperline = 160, | ||
234 | .sizeimage = 160 * 120, | ||
235 | .colorspace = V4L2_COLORSPACE_SRGB, | ||
236 | .priv = 2 | MODE_RAW}, | ||
237 | {160, 120, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE, | ||
238 | .bytesperline = 160, | ||
239 | .sizeimage = 160 * 120 * 5 / 4, | ||
240 | .colorspace = V4L2_COLORSPACE_SRGB, | ||
241 | .priv = 2}, | ||
242 | {320, 240, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE, | ||
243 | .bytesperline = 320, | ||
244 | .sizeimage = 320 * 240 * 5 / 4, | ||
245 | .colorspace = V4L2_COLORSPACE_SRGB, | ||
246 | .priv = 1}, | ||
247 | {640, 480, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE, | ||
248 | .bytesperline = 640, | ||
249 | .sizeimage = 640 * 480 * 5 / 4, | ||
250 | .colorspace = V4L2_COLORSPACE_SRGB, | ||
251 | .priv = 0}, | ||
252 | }; | ||
253 | static const struct v4l2_pix_format sif_mode[] = { | ||
254 | {160, 120, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, | ||
255 | .bytesperline = 160, | ||
256 | .sizeimage = 160 * 120, | ||
257 | .colorspace = V4L2_COLORSPACE_SRGB, | ||
258 | .priv = 1 | MODE_RAW | MODE_REDUCED_SIF}, | ||
259 | {160, 120, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE, | ||
260 | .bytesperline = 160, | ||
261 | .sizeimage = 160 * 120 * 5 / 4, | ||
262 | .colorspace = V4L2_COLORSPACE_SRGB, | ||
263 | .priv = 1 | MODE_REDUCED_SIF}, | ||
264 | {176, 144, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, | ||
265 | .bytesperline = 176, | ||
266 | .sizeimage = 176 * 144, | ||
267 | .colorspace = V4L2_COLORSPACE_SRGB, | ||
268 | .priv = 1 | MODE_RAW}, | ||
269 | {176, 144, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE, | ||
270 | .bytesperline = 176, | ||
271 | .sizeimage = 176 * 144 * 5 / 4, | ||
272 | .colorspace = V4L2_COLORSPACE_SRGB, | ||
273 | .priv = 1}, | ||
274 | {320, 240, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE, | ||
275 | .bytesperline = 320, | ||
276 | .sizeimage = 320 * 240 * 5 / 4, | ||
277 | .colorspace = V4L2_COLORSPACE_SRGB, | ||
278 | .priv = 0 | MODE_REDUCED_SIF}, | ||
279 | {352, 288, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE, | ||
280 | .bytesperline = 352, | ||
281 | .sizeimage = 352 * 288 * 5 / 4, | ||
282 | .colorspace = V4L2_COLORSPACE_SRGB, | ||
283 | .priv = 0}, | ||
284 | }; | ||
285 | |||
286 | static const __u8 initHv7131d[] = { | ||
287 | 0x04, 0x03, 0x00, 0x04, 0x00, 0x00, 0x00, 0x80, 0x11, 0x00, 0x00, 0x00, | ||
288 | 0x00, 0x00, | ||
289 | 0x00, 0x00, 0x00, 0x02, 0x02, 0x00, | ||
290 | 0x28, 0x1e, 0x60, 0x8e, 0x42, | ||
291 | }; | ||
292 | static const __u8 hv7131d_sensor_init[][8] = { | ||
293 | {0xa0, 0x11, 0x01, 0x04, 0x00, 0x00, 0x00, 0x17}, | ||
294 | {0xa0, 0x11, 0x02, 0x00, 0x00, 0x00, 0x00, 0x17}, | ||
295 | {0xa0, 0x11, 0x28, 0x00, 0x00, 0x00, 0x00, 0x17}, | ||
296 | {0xa0, 0x11, 0x30, 0x30, 0x00, 0x00, 0x00, 0x17}, /* reset level */ | ||
297 | {0xa0, 0x11, 0x34, 0x02, 0x00, 0x00, 0x00, 0x17}, /* pixel bias volt */ | ||
298 | }; | ||
299 | |||
300 | static const __u8 initHv7131r[] = { | ||
301 | 0x46, 0x77, 0x00, 0x04, 0x00, 0x00, 0x00, 0x80, 0x11, 0x00, 0x00, 0x00, | ||
302 | 0x00, 0x00, | ||
303 | 0x00, 0x00, 0x00, 0x02, 0x01, 0x00, | ||
304 | 0x28, 0x1e, 0x60, 0x8a, 0x20, | ||
305 | }; | ||
306 | static const __u8 hv7131r_sensor_init[][8] = { | ||
307 | {0xc0, 0x11, 0x31, 0x38, 0x2a, 0x2e, 0x00, 0x10}, | ||
308 | {0xa0, 0x11, 0x01, 0x08, 0x2a, 0x2e, 0x00, 0x10}, | ||
309 | {0xb0, 0x11, 0x20, 0x00, 0xd0, 0x2e, 0x00, 0x10}, | ||
310 | {0xc0, 0x11, 0x25, 0x03, 0x0e, 0x28, 0x00, 0x16}, | ||
311 | {0xa0, 0x11, 0x30, 0x10, 0x0e, 0x28, 0x00, 0x15}, | ||
312 | }; | ||
313 | static const __u8 initOv6650[] = { | ||
314 | 0x44, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, | ||
315 | 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
316 | 0x00, 0x01, 0x01, 0x0a, 0x16, 0x12, 0x68, 0x8b, | ||
317 | 0x10, | ||
318 | }; | ||
319 | static const __u8 ov6650_sensor_init[][8] = { | ||
320 | /* Bright, contrast, etc are set through SCBB interface. | ||
321 | * AVCAP on win2 do not send any data on this controls. */ | ||
322 | /* Anyway, some registers appears to alter bright and constrat */ | ||
323 | |||
324 | /* Reset sensor */ | ||
325 | {0xa0, 0x60, 0x12, 0x80, 0x00, 0x00, 0x00, 0x10}, | ||
326 | /* Set clock register 0x11 low nibble is clock divider */ | ||
327 | {0xd0, 0x60, 0x11, 0xc0, 0x1b, 0x18, 0xc1, 0x10}, | ||
328 | /* Next some unknown stuff */ | ||
329 | {0xb0, 0x60, 0x15, 0x00, 0x02, 0x18, 0xc1, 0x10}, | ||
330 | /* {0xa0, 0x60, 0x1b, 0x01, 0x02, 0x18, 0xc1, 0x10}, | ||
331 | * THIS SET GREEN SCREEN | ||
332 | * (pixels could be innverted in decode kind of "brg", | ||
333 | * but blue wont be there. Avoid this data ... */ | ||
334 | {0xd0, 0x60, 0x26, 0x01, 0x14, 0xd8, 0xa4, 0x10}, /* format out? */ | ||
335 | {0xd0, 0x60, 0x26, 0x01, 0x14, 0xd8, 0xa4, 0x10}, | ||
336 | {0xa0, 0x60, 0x30, 0x3d, 0x0a, 0xd8, 0xa4, 0x10}, | ||
337 | /* Enable rgb brightness control */ | ||
338 | {0xa0, 0x60, 0x61, 0x08, 0x00, 0x00, 0x00, 0x10}, | ||
339 | /* HDG: Note windows uses the line below, which sets both register 0x60 | ||
340 | and 0x61 I believe these registers of the ov6650 are identical as | ||
341 | those of the ov7630, because if this is true the windows settings | ||
342 | add a bit additional red gain and a lot additional blue gain, which | ||
343 | matches my findings that the windows settings make blue much too | ||
344 | blue and red a little too red. | ||
345 | {0xb0, 0x60, 0x60, 0x66, 0x68, 0xd8, 0xa4, 0x10}, */ | ||
346 | /* Some more unknown stuff */ | ||
347 | {0xa0, 0x60, 0x68, 0x04, 0x68, 0xd8, 0xa4, 0x10}, | ||
348 | {0xd0, 0x60, 0x17, 0x24, 0xd6, 0x04, 0x94, 0x10}, /* Clipreg */ | ||
349 | }; | ||
350 | |||
351 | static const __u8 initOv7630[] = { | ||
352 | 0x04, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, /* r01 .. r08 */ | ||
353 | 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* r09 .. r10 */ | ||
354 | 0x00, 0x01, 0x01, 0x0a, /* r11 .. r14 */ | ||
355 | 0x28, 0x1e, /* H & V sizes r15 .. r16 */ | ||
356 | 0x68, 0x8f, MCK_INIT1, /* r17 .. r19 */ | ||
357 | }; | ||
358 | static const __u8 ov7630_sensor_init[][8] = { | ||
359 | {0xa0, 0x21, 0x12, 0x80, 0x00, 0x00, 0x00, 0x10}, | ||
360 | {0xb0, 0x21, 0x01, 0x77, 0x3a, 0x00, 0x00, 0x10}, | ||
361 | /* {0xd0, 0x21, 0x12, 0x7c, 0x01, 0x80, 0x34, 0x10}, jfm */ | ||
362 | {0xd0, 0x21, 0x12, 0x5c, 0x00, 0x80, 0x34, 0x10}, /* jfm */ | ||
363 | {0xa0, 0x21, 0x1b, 0x04, 0x00, 0x80, 0x34, 0x10}, | ||
364 | {0xa0, 0x21, 0x20, 0x44, 0x00, 0x80, 0x34, 0x10}, | ||
365 | {0xa0, 0x21, 0x23, 0xee, 0x00, 0x80, 0x34, 0x10}, | ||
366 | {0xd0, 0x21, 0x26, 0xa0, 0x9a, 0xa0, 0x30, 0x10}, | ||
367 | {0xb0, 0x21, 0x2a, 0x80, 0x00, 0xa0, 0x30, 0x10}, | ||
368 | {0xb0, 0x21, 0x2f, 0x3d, 0x24, 0xa0, 0x30, 0x10}, | ||
369 | {0xa0, 0x21, 0x32, 0x86, 0x24, 0xa0, 0x30, 0x10}, | ||
370 | {0xb0, 0x21, 0x60, 0xa9, 0x4a, 0xa0, 0x30, 0x10}, | ||
371 | /* {0xb0, 0x21, 0x60, 0xa9, 0x42, 0xa0, 0x30, 0x10}, * jfm */ | ||
372 | {0xa0, 0x21, 0x65, 0x00, 0x42, 0xa0, 0x30, 0x10}, | ||
373 | {0xa0, 0x21, 0x69, 0x38, 0x42, 0xa0, 0x30, 0x10}, | ||
374 | {0xc0, 0x21, 0x6f, 0x88, 0x0b, 0x00, 0x30, 0x10}, | ||
375 | {0xc0, 0x21, 0x74, 0x21, 0x8e, 0x00, 0x30, 0x10}, | ||
376 | {0xa0, 0x21, 0x7d, 0xf7, 0x8e, 0x00, 0x30, 0x10}, | ||
377 | {0xd0, 0x21, 0x17, 0x1c, 0xbd, 0x06, 0xf6, 0x10}, | ||
378 | }; | ||
379 | |||
380 | static const __u8 initPas106[] = { | ||
381 | 0x04, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x81, 0x40, 0x00, 0x00, 0x00, | ||
382 | 0x00, 0x00, | ||
383 | 0x00, 0x00, 0x00, 0x04, 0x01, 0x00, | ||
384 | 0x16, 0x12, 0x24, COMP1, MCK_INIT1, | ||
385 | }; | ||
386 | /* compression 0x86 mckinit1 0x2b */ | ||
387 | |||
388 | /* "Known" PAS106B registers: | ||
389 | 0x02 clock divider | ||
390 | 0x03 Variable framerate bits 4-11 | ||
391 | 0x04 Var framerate bits 0-3, one must leave the 4 msb's at 0 !! | ||
392 | The variable framerate control must never be set lower then 300, | ||
393 | which sets the framerate at 90 / reg02, otherwise vsync is lost. | ||
394 | 0x05 Shutter Time Line Offset, this can be used as an exposure control: | ||
395 | 0 = use full frame time, 255 = no exposure at all | ||
396 | Note this may never be larger then "var-framerate control" / 2 - 2. | ||
397 | When var-framerate control is < 514, no exposure is reached at the max | ||
398 | allowed value for the framerate control value, rather then at 255. | ||
399 | 0x06 Shutter Time Pixel Offset, like reg05 this influences exposure, but | ||
400 | only a very little bit, leave at 0xcd | ||
401 | 0x07 offset sign bit (bit0 1 > negative offset) | ||
402 | 0x08 offset | ||
403 | 0x09 Blue Gain | ||
404 | 0x0a Green1 Gain | ||
405 | 0x0b Green2 Gain | ||
406 | 0x0c Red Gain | ||
407 | 0x0e Global gain | ||
408 | 0x13 Write 1 to commit settings to sensor | ||
409 | */ | ||
410 | |||
411 | static const __u8 pas106_sensor_init[][8] = { | ||
412 | /* Pixel Clock Divider 6 */ | ||
413 | { 0xa1, 0x40, 0x02, 0x04, 0x00, 0x00, 0x00, 0x14 }, | ||
414 | /* Frame Time MSB (also seen as 0x12) */ | ||
415 | { 0xa1, 0x40, 0x03, 0x13, 0x00, 0x00, 0x00, 0x14 }, | ||
416 | /* Frame Time LSB (also seen as 0x05) */ | ||
417 | { 0xa1, 0x40, 0x04, 0x06, 0x00, 0x00, 0x00, 0x14 }, | ||
418 | /* Shutter Time Line Offset (also seen as 0x6d) */ | ||
419 | { 0xa1, 0x40, 0x05, 0x65, 0x00, 0x00, 0x00, 0x14 }, | ||
420 | /* Shutter Time Pixel Offset (also seen as 0xb1) */ | ||
421 | { 0xa1, 0x40, 0x06, 0xcd, 0x00, 0x00, 0x00, 0x14 }, | ||
422 | /* Black Level Subtract Sign (also seen 0x00) */ | ||
423 | { 0xa1, 0x40, 0x07, 0xc1, 0x00, 0x00, 0x00, 0x14 }, | ||
424 | /* Black Level Subtract Level (also seen 0x01) */ | ||
425 | { 0xa1, 0x40, 0x08, 0x06, 0x00, 0x00, 0x00, 0x14 }, | ||
426 | { 0xa1, 0x40, 0x08, 0x06, 0x00, 0x00, 0x00, 0x14 }, | ||
427 | /* Color Gain B Pixel 5 a */ | ||
428 | { 0xa1, 0x40, 0x09, 0x05, 0x00, 0x00, 0x00, 0x14 }, | ||
429 | /* Color Gain G1 Pixel 1 5 */ | ||
430 | { 0xa1, 0x40, 0x0a, 0x04, 0x00, 0x00, 0x00, 0x14 }, | ||
431 | /* Color Gain G2 Pixel 1 0 5 */ | ||
432 | { 0xa1, 0x40, 0x0b, 0x04, 0x00, 0x00, 0x00, 0x14 }, | ||
433 | /* Color Gain R Pixel 3 1 */ | ||
434 | { 0xa1, 0x40, 0x0c, 0x05, 0x00, 0x00, 0x00, 0x14 }, | ||
435 | /* Color GainH Pixel */ | ||
436 | { 0xa1, 0x40, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x14 }, | ||
437 | /* Global Gain */ | ||
438 | { 0xa1, 0x40, 0x0e, 0x0e, 0x00, 0x00, 0x00, 0x14 }, | ||
439 | /* Contrast */ | ||
440 | { 0xa1, 0x40, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x14 }, | ||
441 | /* H&V synchro polarity */ | ||
442 | { 0xa1, 0x40, 0x10, 0x06, 0x00, 0x00, 0x00, 0x14 }, | ||
443 | /* ?default */ | ||
444 | { 0xa1, 0x40, 0x11, 0x06, 0x00, 0x00, 0x00, 0x14 }, | ||
445 | /* DAC scale */ | ||
446 | { 0xa1, 0x40, 0x12, 0x06, 0x00, 0x00, 0x00, 0x14 }, | ||
447 | /* ?default */ | ||
448 | { 0xa1, 0x40, 0x14, 0x02, 0x00, 0x00, 0x00, 0x14 }, | ||
449 | /* Validate Settings */ | ||
450 | { 0xa1, 0x40, 0x13, 0x01, 0x00, 0x00, 0x00, 0x14 }, | ||
451 | }; | ||
452 | |||
453 | static const __u8 initPas202[] = { | ||
454 | 0x44, 0x44, 0x21, 0x30, 0x00, 0x00, 0x00, 0x80, 0x40, 0x00, 0x00, 0x00, | ||
455 | 0x00, 0x00, | ||
456 | 0x00, 0x00, 0x00, 0x06, 0x03, 0x0a, | ||
457 | 0x28, 0x1e, 0x20, 0x89, 0x20, | ||
458 | }; | ||
459 | |||
460 | /* "Known" PAS202BCB registers: | ||
461 | 0x02 clock divider | ||
462 | 0x04 Variable framerate bits 6-11 (*) | ||
463 | 0x05 Var framerate bits 0-5, one must leave the 2 msb's at 0 !! | ||
464 | 0x07 Blue Gain | ||
465 | 0x08 Green Gain | ||
466 | 0x09 Red Gain | ||
467 | 0x0b offset sign bit (bit0 1 > negative offset) | ||
468 | 0x0c offset | ||
469 | 0x0e Unknown image is slightly brighter when bit 0 is 0, if reg0f is 0 too, | ||
470 | leave at 1 otherwise we get a jump in our exposure control | ||
471 | 0x0f Exposure 0-255, 0 = use full frame time, 255 = no exposure at all | ||
472 | 0x10 Master gain 0 - 31 | ||
473 | 0x11 write 1 to apply changes | ||
474 | (*) The variable framerate control must never be set lower then 500 | ||
475 | which sets the framerate at 30 / reg02, otherwise vsync is lost. | ||
476 | */ | ||
477 | static const __u8 pas202_sensor_init[][8] = { | ||
478 | /* Set the clock divider to 4 -> 30 / 4 = 7.5 fps, we would like | ||
479 | to set it lower, but for some reason the bridge starts missing | ||
480 | vsync's then */ | ||
481 | {0xa0, 0x40, 0x02, 0x04, 0x00, 0x00, 0x00, 0x10}, | ||
482 | {0xd0, 0x40, 0x04, 0x07, 0x34, 0x00, 0x09, 0x10}, | ||
483 | {0xd0, 0x40, 0x08, 0x01, 0x00, 0x00, 0x01, 0x10}, | ||
484 | {0xd0, 0x40, 0x0c, 0x00, 0x0c, 0x01, 0x32, 0x10}, | ||
485 | {0xd0, 0x40, 0x10, 0x00, 0x01, 0x00, 0x63, 0x10}, | ||
486 | {0xa0, 0x40, 0x15, 0x70, 0x01, 0x00, 0x63, 0x10}, | ||
487 | {0xa0, 0x40, 0x18, 0x00, 0x01, 0x00, 0x63, 0x10}, | ||
488 | {0xa0, 0x40, 0x11, 0x01, 0x01, 0x00, 0x63, 0x10}, | ||
489 | {0xa0, 0x40, 0x03, 0x56, 0x01, 0x00, 0x63, 0x10}, | ||
490 | {0xa0, 0x40, 0x11, 0x01, 0x01, 0x00, 0x63, 0x10}, | ||
491 | }; | ||
492 | |||
493 | static const __u8 initTas5110c[] = { | ||
494 | 0x44, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x11, 0x00, 0x00, 0x00, | ||
495 | 0x00, 0x00, | ||
496 | 0x00, 0x00, 0x00, 0x45, 0x09, 0x0a, | ||
497 | 0x16, 0x12, 0x60, 0x86, 0x2b, | ||
498 | }; | ||
499 | /* Same as above, except a different hstart */ | ||
500 | static const __u8 initTas5110d[] = { | ||
501 | 0x44, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x11, 0x00, 0x00, 0x00, | ||
502 | 0x00, 0x00, | ||
503 | 0x00, 0x00, 0x00, 0x41, 0x09, 0x0a, | ||
504 | 0x16, 0x12, 0x60, 0x86, 0x2b, | ||
505 | }; | ||
506 | /* tas5110c is 3 wire, tas5110d is 2 wire (regular i2c) */ | ||
507 | static const __u8 tas5110c_sensor_init[][8] = { | ||
508 | {0x30, 0x11, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x10}, | ||
509 | {0x30, 0x11, 0x02, 0x20, 0xa9, 0x00, 0x00, 0x10}, | ||
510 | }; | ||
511 | /* Known TAS5110D registers | ||
512 | * reg02: gain, bit order reversed!! 0 == max gain, 255 == min gain | ||
513 | * reg03: bit3: vflip, bit4: ~hflip, bit7: ~gainboost (~ == inverted) | ||
514 | * Note: writing reg03 seems to only work when written together with 02 | ||
515 | */ | ||
516 | static const __u8 tas5110d_sensor_init[][8] = { | ||
517 | {0xa0, 0x61, 0x9a, 0xca, 0x00, 0x00, 0x00, 0x17}, /* reset */ | ||
518 | }; | ||
519 | |||
520 | static const __u8 initTas5130[] = { | ||
521 | 0x04, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x11, 0x00, 0x00, 0x00, | ||
522 | 0x00, 0x00, | ||
523 | 0x00, 0x00, 0x00, 0x68, 0x0c, 0x0a, | ||
524 | 0x28, 0x1e, 0x60, COMP, MCK_INIT, | ||
525 | }; | ||
526 | static const __u8 tas5130_sensor_init[][8] = { | ||
527 | /* {0x30, 0x11, 0x00, 0x40, 0x47, 0x00, 0x00, 0x10}, | ||
528 | * shutter 0x47 short exposure? */ | ||
529 | {0x30, 0x11, 0x00, 0x40, 0x01, 0x00, 0x00, 0x10}, | ||
530 | /* shutter 0x01 long exposure */ | ||
531 | {0x30, 0x11, 0x02, 0x20, 0x70, 0x00, 0x00, 0x10}, | ||
532 | }; | ||
533 | |||
534 | static const struct sensor_data sensor_data[] = { | ||
535 | SENS(initHv7131d, hv7131d_sensor_init, F_GAIN, NO_BRIGHTNESS|NO_FREQ, 0), | ||
536 | SENS(initHv7131r, hv7131r_sensor_init, 0, NO_BRIGHTNESS|NO_EXPO|NO_FREQ, 0), | ||
537 | SENS(initOv6650, ov6650_sensor_init, F_GAIN|F_SIF, 0, 0x60), | ||
538 | SENS(initOv7630, ov7630_sensor_init, F_GAIN, 0, 0x21), | ||
539 | SENS(initPas106, pas106_sensor_init, F_GAIN|F_SIF, NO_FREQ, 0), | ||
540 | SENS(initPas202, pas202_sensor_init, F_GAIN, NO_FREQ, 0), | ||
541 | SENS(initTas5110c, tas5110c_sensor_init, F_GAIN|F_SIF|F_COARSE_EXPO, | ||
542 | NO_BRIGHTNESS|NO_FREQ, 0), | ||
543 | SENS(initTas5110d, tas5110d_sensor_init, F_GAIN|F_SIF|F_COARSE_EXPO, | ||
544 | NO_BRIGHTNESS|NO_FREQ, 0), | ||
545 | SENS(initTas5130, tas5130_sensor_init, F_GAIN, | ||
546 | NO_BRIGHTNESS|NO_EXPO|NO_FREQ, 0), | ||
547 | }; | ||
548 | |||
549 | /* get one byte in gspca_dev->usb_buf */ | ||
550 | static void reg_r(struct gspca_dev *gspca_dev, | ||
551 | __u16 value) | ||
552 | { | ||
553 | usb_control_msg(gspca_dev->dev, | ||
554 | usb_rcvctrlpipe(gspca_dev->dev, 0), | ||
555 | 0, /* request */ | ||
556 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, | ||
557 | value, | ||
558 | 0, /* index */ | ||
559 | gspca_dev->usb_buf, 1, | ||
560 | 500); | ||
561 | } | ||
562 | |||
563 | static void reg_w(struct gspca_dev *gspca_dev, | ||
564 | __u16 value, | ||
565 | const __u8 *buffer, | ||
566 | int len) | ||
567 | { | ||
568 | #ifdef GSPCA_DEBUG | ||
569 | if (len > USB_BUF_SZ) { | ||
570 | PDEBUG(D_ERR|D_PACK, "reg_w: buffer overflow"); | ||
571 | return; | ||
572 | } | ||
573 | #endif | ||
574 | memcpy(gspca_dev->usb_buf, buffer, len); | ||
575 | usb_control_msg(gspca_dev->dev, | ||
576 | usb_sndctrlpipe(gspca_dev->dev, 0), | ||
577 | 0x08, /* request */ | ||
578 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, | ||
579 | value, | ||
580 | 0, /* index */ | ||
581 | gspca_dev->usb_buf, len, | ||
582 | 500); | ||
583 | } | ||
584 | |||
585 | static int i2c_w(struct gspca_dev *gspca_dev, const __u8 *buffer) | ||
586 | { | ||
587 | int retry = 60; | ||
588 | |||
589 | /* is i2c ready */ | ||
590 | reg_w(gspca_dev, 0x08, buffer, 8); | ||
591 | while (retry--) { | ||
592 | msleep(10); | ||
593 | reg_r(gspca_dev, 0x08); | ||
594 | if (gspca_dev->usb_buf[0] & 0x04) { | ||
595 | if (gspca_dev->usb_buf[0] & 0x08) | ||
596 | return -1; | ||
597 | return 0; | ||
598 | } | ||
599 | } | ||
600 | return -1; | ||
601 | } | ||
602 | |||
603 | static void i2c_w_vector(struct gspca_dev *gspca_dev, | ||
604 | const __u8 buffer[][8], int len) | ||
605 | { | ||
606 | for (;;) { | ||
607 | reg_w(gspca_dev, 0x08, *buffer, 8); | ||
608 | len -= 8; | ||
609 | if (len <= 0) | ||
610 | break; | ||
611 | buffer++; | ||
612 | } | ||
613 | } | ||
614 | |||
615 | static void setbrightness(struct gspca_dev *gspca_dev) | ||
616 | { | ||
617 | struct sd *sd = (struct sd *) gspca_dev; | ||
618 | |||
619 | switch (sd->sensor) { | ||
620 | case SENSOR_OV6650: | ||
621 | case SENSOR_OV7630: { | ||
622 | __u8 i2cOV[] = | ||
623 | {0xa0, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x10}; | ||
624 | |||
625 | /* change reg 0x06 */ | ||
626 | i2cOV[1] = sensor_data[sd->sensor].sensor_addr; | ||
627 | i2cOV[3] = sd->ctrls[BRIGHTNESS].val; | ||
628 | if (i2c_w(gspca_dev, i2cOV) < 0) | ||
629 | goto err; | ||
630 | break; | ||
631 | } | ||
632 | case SENSOR_PAS106: | ||
633 | case SENSOR_PAS202: { | ||
634 | __u8 i2cpbright[] = | ||
635 | {0xb0, 0x40, 0x0b, 0x00, 0x00, 0x00, 0x00, 0x16}; | ||
636 | __u8 i2cpdoit[] = | ||
637 | {0xa0, 0x40, 0x11, 0x01, 0x00, 0x00, 0x00, 0x16}; | ||
638 | |||
639 | /* PAS106 uses reg 7 and 8 instead of b and c */ | ||
640 | if (sd->sensor == SENSOR_PAS106) { | ||
641 | i2cpbright[2] = 7; | ||
642 | i2cpdoit[2] = 0x13; | ||
643 | } | ||
644 | |||
645 | if (sd->ctrls[BRIGHTNESS].val < 127) { | ||
646 | /* change reg 0x0b, signreg */ | ||
647 | i2cpbright[3] = 0x01; | ||
648 | /* set reg 0x0c, offset */ | ||
649 | i2cpbright[4] = 127 - sd->ctrls[BRIGHTNESS].val; | ||
650 | } else | ||
651 | i2cpbright[4] = sd->ctrls[BRIGHTNESS].val - 127; | ||
652 | |||
653 | if (i2c_w(gspca_dev, i2cpbright) < 0) | ||
654 | goto err; | ||
655 | if (i2c_w(gspca_dev, i2cpdoit) < 0) | ||
656 | goto err; | ||
657 | break; | ||
658 | } | ||
659 | } | ||
660 | return; | ||
661 | err: | ||
662 | PDEBUG(D_ERR, "i2c error brightness"); | ||
663 | } | ||
664 | |||
665 | static void setsensorgain(struct gspca_dev *gspca_dev) | ||
666 | { | ||
667 | struct sd *sd = (struct sd *) gspca_dev; | ||
668 | u8 gain = sd->ctrls[GAIN].val; | ||
669 | |||
670 | switch (sd->sensor) { | ||
671 | case SENSOR_HV7131D: { | ||
672 | __u8 i2c[] = | ||
673 | {0xc0, 0x11, 0x31, 0x00, 0x00, 0x00, 0x00, 0x17}; | ||
674 | |||
675 | i2c[3] = 0x3f - (gain / 4); | ||
676 | i2c[4] = 0x3f - (gain / 4); | ||
677 | i2c[5] = 0x3f - (gain / 4); | ||
678 | |||
679 | if (i2c_w(gspca_dev, i2c) < 0) | ||
680 | goto err; | ||
681 | break; | ||
682 | } | ||
683 | case SENSOR_TAS5110C: | ||
684 | case SENSOR_TAS5130CXX: { | ||
685 | __u8 i2c[] = | ||
686 | {0x30, 0x11, 0x02, 0x20, 0x70, 0x00, 0x00, 0x10}; | ||
687 | |||
688 | i2c[4] = 255 - gain; | ||
689 | if (i2c_w(gspca_dev, i2c) < 0) | ||
690 | goto err; | ||
691 | break; | ||
692 | } | ||
693 | case SENSOR_TAS5110D: { | ||
694 | __u8 i2c[] = { | ||
695 | 0xb0, 0x61, 0x02, 0x00, 0x10, 0x00, 0x00, 0x17 }; | ||
696 | gain = 255 - gain; | ||
697 | /* The bits in the register are the wrong way around!! */ | ||
698 | i2c[3] |= (gain & 0x80) >> 7; | ||
699 | i2c[3] |= (gain & 0x40) >> 5; | ||
700 | i2c[3] |= (gain & 0x20) >> 3; | ||
701 | i2c[3] |= (gain & 0x10) >> 1; | ||
702 | i2c[3] |= (gain & 0x08) << 1; | ||
703 | i2c[3] |= (gain & 0x04) << 3; | ||
704 | i2c[3] |= (gain & 0x02) << 5; | ||
705 | i2c[3] |= (gain & 0x01) << 7; | ||
706 | if (i2c_w(gspca_dev, i2c) < 0) | ||
707 | goto err; | ||
708 | break; | ||
709 | } | ||
710 | |||
711 | case SENSOR_OV6650: | ||
712 | gain >>= 1; | ||
713 | /* fall thru */ | ||
714 | case SENSOR_OV7630: { | ||
715 | __u8 i2c[] = {0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10}; | ||
716 | |||
717 | i2c[1] = sensor_data[sd->sensor].sensor_addr; | ||
718 | i2c[3] = gain >> 2; | ||
719 | if (i2c_w(gspca_dev, i2c) < 0) | ||
720 | goto err; | ||
721 | break; | ||
722 | } | ||
723 | case SENSOR_PAS106: | ||
724 | case SENSOR_PAS202: { | ||
725 | __u8 i2cpgain[] = | ||
726 | {0xa0, 0x40, 0x10, 0x00, 0x00, 0x00, 0x00, 0x15}; | ||
727 | __u8 i2cpcolorgain[] = | ||
728 | {0xc0, 0x40, 0x07, 0x00, 0x00, 0x00, 0x00, 0x15}; | ||
729 | __u8 i2cpdoit[] = | ||
730 | {0xa0, 0x40, 0x11, 0x01, 0x00, 0x00, 0x00, 0x16}; | ||
731 | |||
732 | /* PAS106 uses different regs (and has split green gains) */ | ||
733 | if (sd->sensor == SENSOR_PAS106) { | ||
734 | i2cpgain[2] = 0x0e; | ||
735 | i2cpcolorgain[0] = 0xd0; | ||
736 | i2cpcolorgain[2] = 0x09; | ||
737 | i2cpdoit[2] = 0x13; | ||
738 | } | ||
739 | |||
740 | i2cpgain[3] = gain >> 3; | ||
741 | i2cpcolorgain[3] = gain >> 4; | ||
742 | i2cpcolorgain[4] = gain >> 4; | ||
743 | i2cpcolorgain[5] = gain >> 4; | ||
744 | i2cpcolorgain[6] = gain >> 4; | ||
745 | |||
746 | if (i2c_w(gspca_dev, i2cpgain) < 0) | ||
747 | goto err; | ||
748 | if (i2c_w(gspca_dev, i2cpcolorgain) < 0) | ||
749 | goto err; | ||
750 | if (i2c_w(gspca_dev, i2cpdoit) < 0) | ||
751 | goto err; | ||
752 | break; | ||
753 | } | ||
754 | } | ||
755 | return; | ||
756 | err: | ||
757 | PDEBUG(D_ERR, "i2c error gain"); | ||
758 | } | ||
759 | |||
760 | static void setgain(struct gspca_dev *gspca_dev) | ||
761 | { | ||
762 | struct sd *sd = (struct sd *) gspca_dev; | ||
763 | __u8 gain; | ||
764 | __u8 buf[3] = { 0, 0, 0 }; | ||
765 | |||
766 | if (sensor_data[sd->sensor].flags & F_GAIN) { | ||
767 | /* Use the sensor gain to do the actual gain */ | ||
768 | setsensorgain(gspca_dev); | ||
769 | return; | ||
770 | } | ||
771 | |||
772 | if (sd->bridge == BRIDGE_103) { | ||
773 | gain = sd->ctrls[GAIN].val >> 1; | ||
774 | buf[0] = gain; /* Red */ | ||
775 | buf[1] = gain; /* Green */ | ||
776 | buf[2] = gain; /* Blue */ | ||
777 | reg_w(gspca_dev, 0x05, buf, 3); | ||
778 | } else { | ||
779 | gain = sd->ctrls[GAIN].val >> 4; | ||
780 | buf[0] = gain << 4 | gain; /* Red and blue */ | ||
781 | buf[1] = gain; /* Green */ | ||
782 | reg_w(gspca_dev, 0x10, buf, 2); | ||
783 | } | ||
784 | } | ||
785 | |||
786 | static void setexposure(struct gspca_dev *gspca_dev) | ||
787 | { | ||
788 | struct sd *sd = (struct sd *) gspca_dev; | ||
789 | |||
790 | switch (sd->sensor) { | ||
791 | case SENSOR_HV7131D: { | ||
792 | /* Note the datasheet wrongly says line mode exposure uses reg | ||
793 | 0x26 and 0x27, testing has shown 0x25 + 0x26 */ | ||
794 | __u8 i2c[] = {0xc0, 0x11, 0x25, 0x00, 0x00, 0x00, 0x00, 0x17}; | ||
795 | /* The HV7131D's exposure goes from 0 - 65535, we scale our | ||
796 | exposure of 0-1023 to 0-6138. There are 2 reasons for this: | ||
797 | 1) This puts our exposure knee of 200 at approx the point | ||
798 | where the framerate starts dropping | ||
799 | 2) At 6138 the framerate has already dropped to 2 fps, | ||
800 | going any lower makes little sense */ | ||
801 | u16 reg = sd->ctrls[EXPOSURE].val * 6; | ||
802 | |||
803 | i2c[3] = reg >> 8; | ||
804 | i2c[4] = reg & 0xff; | ||
805 | if (i2c_w(gspca_dev, i2c) != 0) | ||
806 | goto err; | ||
807 | break; | ||
808 | } | ||
809 | case SENSOR_TAS5110C: | ||
810 | case SENSOR_TAS5110D: { | ||
811 | /* register 19's high nibble contains the sn9c10x clock divider | ||
812 | The high nibble configures the no fps according to the | ||
813 | formula: 60 / high_nibble. With a maximum of 30 fps */ | ||
814 | u8 reg = sd->ctrls[EXPOSURE].val; | ||
815 | |||
816 | reg = (reg << 4) | 0x0b; | ||
817 | reg_w(gspca_dev, 0x19, ®, 1); | ||
818 | break; | ||
819 | } | ||
820 | case SENSOR_OV6650: | ||
821 | case SENSOR_OV7630: { | ||
822 | /* The ov6650 / ov7630 have 2 registers which both influence | ||
823 | exposure, register 11, whose low nibble sets the nr off fps | ||
824 | according to: fps = 30 / (low_nibble + 1) | ||
825 | |||
826 | The fps configures the maximum exposure setting, but it is | ||
827 | possible to use less exposure then what the fps maximum | ||
828 | allows by setting register 10. register 10 configures the | ||
829 | actual exposure as quotient of the full exposure, with 0 | ||
830 | being no exposure at all (not very useful) and reg10_max | ||
831 | being max exposure possible at that framerate. | ||
832 | |||
833 | The code maps our 0 - 510 ms exposure ctrl to these 2 | ||
834 | registers, trying to keep fps as high as possible. | ||
835 | */ | ||
836 | __u8 i2c[] = {0xb0, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x10}; | ||
837 | int reg10, reg11, reg10_max; | ||
838 | |||
839 | /* ov6645 datasheet says reg10_max is 9a, but that uses | ||
840 | tline * 2 * reg10 as formula for calculating texpo, the | ||
841 | ov6650 probably uses the same formula as the 7730 which uses | ||
842 | tline * 4 * reg10, which explains why the reg10max we've | ||
843 | found experimentally for the ov6650 is exactly half that of | ||
844 | the ov6645. The ov7630 datasheet says the max is 0x41. */ | ||
845 | if (sd->sensor == SENSOR_OV6650) { | ||
846 | reg10_max = 0x4d; | ||
847 | i2c[4] = 0xc0; /* OV6650 needs non default vsync pol */ | ||
848 | } else | ||
849 | reg10_max = 0x41; | ||
850 | |||
851 | reg11 = (15 * sd->ctrls[EXPOSURE].val + 999) / 1000; | ||
852 | if (reg11 < 1) | ||
853 | reg11 = 1; | ||
854 | else if (reg11 > 16) | ||
855 | reg11 = 16; | ||
856 | |||
857 | /* In 640x480, if the reg11 has less than 4, the image is | ||
858 | unstable (the bridge goes into a higher compression mode | ||
859 | which we have not reverse engineered yet). */ | ||
860 | if (gspca_dev->width == 640 && reg11 < 4) | ||
861 | reg11 = 4; | ||
862 | |||
863 | /* frame exposure time in ms = 1000 * reg11 / 30 -> | ||
864 | reg10 = (sd->ctrls[EXPOSURE].val / 2) * reg10_max | ||
865 | / (1000 * reg11 / 30) */ | ||
866 | reg10 = (sd->ctrls[EXPOSURE].val * 15 * reg10_max) | ||
867 | / (1000 * reg11); | ||
868 | |||
869 | /* Don't allow this to get below 10 when using autogain, the | ||
870 | steps become very large (relatively) when below 10 causing | ||
871 | the image to oscilate from much too dark, to much too bright | ||
872 | and back again. */ | ||
873 | if (sd->ctrls[AUTOGAIN].val && reg10 < 10) | ||
874 | reg10 = 10; | ||
875 | else if (reg10 > reg10_max) | ||
876 | reg10 = reg10_max; | ||
877 | |||
878 | /* Write reg 10 and reg11 low nibble */ | ||
879 | i2c[1] = sensor_data[sd->sensor].sensor_addr; | ||
880 | i2c[3] = reg10; | ||
881 | i2c[4] |= reg11 - 1; | ||
882 | |||
883 | /* If register 11 didn't change, don't change it */ | ||
884 | if (sd->reg11 == reg11) | ||
885 | i2c[0] = 0xa0; | ||
886 | |||
887 | if (i2c_w(gspca_dev, i2c) == 0) | ||
888 | sd->reg11 = reg11; | ||
889 | else | ||
890 | goto err; | ||
891 | break; | ||
892 | } | ||
893 | case SENSOR_PAS202: { | ||
894 | __u8 i2cpframerate[] = | ||
895 | {0xb0, 0x40, 0x04, 0x00, 0x00, 0x00, 0x00, 0x16}; | ||
896 | __u8 i2cpexpo[] = | ||
897 | {0xa0, 0x40, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x16}; | ||
898 | const __u8 i2cpdoit[] = | ||
899 | {0xa0, 0x40, 0x11, 0x01, 0x00, 0x00, 0x00, 0x16}; | ||
900 | int framerate_ctrl; | ||
901 | |||
902 | /* The exposure knee for the autogain algorithm is 200 | ||
903 | (100 ms / 10 fps on other sensors), for values below this | ||
904 | use the control for setting the partial frame expose time, | ||
905 | above that use variable framerate. This way we run at max | ||
906 | framerate (640x480@7.5 fps, 320x240@10fps) until the knee | ||
907 | is reached. Using the variable framerate control above 200 | ||
908 | is better then playing around with both clockdiv + partial | ||
909 | frame exposure times (like we are doing with the ov chips), | ||
910 | as that sometimes leads to jumps in the exposure control, | ||
911 | which are bad for auto exposure. */ | ||
912 | if (sd->ctrls[EXPOSURE].val < 200) { | ||
913 | i2cpexpo[3] = 255 - (sd->ctrls[EXPOSURE].val * 255) | ||
914 | / 200; | ||
915 | framerate_ctrl = 500; | ||
916 | } else { | ||
917 | /* The PAS202's exposure control goes from 0 - 4095, | ||
918 | but anything below 500 causes vsync issues, so scale | ||
919 | our 200-1023 to 500-4095 */ | ||
920 | framerate_ctrl = (sd->ctrls[EXPOSURE].val - 200) | ||
921 | * 1000 / 229 + 500; | ||
922 | } | ||
923 | |||
924 | i2cpframerate[3] = framerate_ctrl >> 6; | ||
925 | i2cpframerate[4] = framerate_ctrl & 0x3f; | ||
926 | if (i2c_w(gspca_dev, i2cpframerate) < 0) | ||
927 | goto err; | ||
928 | if (i2c_w(gspca_dev, i2cpexpo) < 0) | ||
929 | goto err; | ||
930 | if (i2c_w(gspca_dev, i2cpdoit) < 0) | ||
931 | goto err; | ||
932 | break; | ||
933 | } | ||
934 | case SENSOR_PAS106: { | ||
935 | __u8 i2cpframerate[] = | ||
936 | {0xb1, 0x40, 0x03, 0x00, 0x00, 0x00, 0x00, 0x14}; | ||
937 | __u8 i2cpexpo[] = | ||
938 | {0xa1, 0x40, 0x05, 0x00, 0x00, 0x00, 0x00, 0x14}; | ||
939 | const __u8 i2cpdoit[] = | ||
940 | {0xa1, 0x40, 0x13, 0x01, 0x00, 0x00, 0x00, 0x14}; | ||
941 | int framerate_ctrl; | ||
942 | |||
943 | /* For values below 150 use partial frame exposure, above | ||
944 | that use framerate ctrl */ | ||
945 | if (sd->ctrls[EXPOSURE].val < 150) { | ||
946 | i2cpexpo[3] = 150 - sd->ctrls[EXPOSURE].val; | ||
947 | framerate_ctrl = 300; | ||
948 | } else { | ||
949 | /* The PAS106's exposure control goes from 0 - 4095, | ||
950 | but anything below 300 causes vsync issues, so scale | ||
951 | our 150-1023 to 300-4095 */ | ||
952 | framerate_ctrl = (sd->ctrls[EXPOSURE].val - 150) | ||
953 | * 1000 / 230 + 300; | ||
954 | } | ||
955 | |||
956 | i2cpframerate[3] = framerate_ctrl >> 4; | ||
957 | i2cpframerate[4] = framerate_ctrl & 0x0f; | ||
958 | if (i2c_w(gspca_dev, i2cpframerate) < 0) | ||
959 | goto err; | ||
960 | if (i2c_w(gspca_dev, i2cpexpo) < 0) | ||
961 | goto err; | ||
962 | if (i2c_w(gspca_dev, i2cpdoit) < 0) | ||
963 | goto err; | ||
964 | break; | ||
965 | } | ||
966 | } | ||
967 | return; | ||
968 | err: | ||
969 | PDEBUG(D_ERR, "i2c error exposure"); | ||
970 | } | ||
971 | |||
972 | static void setfreq(struct gspca_dev *gspca_dev) | ||
973 | { | ||
974 | struct sd *sd = (struct sd *) gspca_dev; | ||
975 | |||
976 | switch (sd->sensor) { | ||
977 | case SENSOR_OV6650: | ||
978 | case SENSOR_OV7630: { | ||
979 | /* Framerate adjust register for artificial light 50 hz flicker | ||
980 | compensation, for the ov6650 this is identical to ov6630 | ||
981 | 0x2b register, see ov6630 datasheet. | ||
982 | 0x4f / 0x8a -> (30 fps -> 25 fps), 0x00 -> no adjustment */ | ||
983 | __u8 i2c[] = {0xa0, 0x00, 0x2b, 0x00, 0x00, 0x00, 0x00, 0x10}; | ||
984 | switch (sd->ctrls[FREQ].val) { | ||
985 | default: | ||
986 | /* case 0: * no filter*/ | ||
987 | /* case 2: * 60 hz */ | ||
988 | i2c[3] = 0; | ||
989 | break; | ||
990 | case 1: /* 50 hz */ | ||
991 | i2c[3] = (sd->sensor == SENSOR_OV6650) | ||
992 | ? 0x4f : 0x8a; | ||
993 | break; | ||
994 | } | ||
995 | i2c[1] = sensor_data[sd->sensor].sensor_addr; | ||
996 | if (i2c_w(gspca_dev, i2c) < 0) | ||
997 | PDEBUG(D_ERR, "i2c error setfreq"); | ||
998 | break; | ||
999 | } | ||
1000 | } | ||
1001 | } | ||
1002 | |||
1003 | #include "autogain_functions.h" | ||
1004 | |||
1005 | static void do_autogain(struct gspca_dev *gspca_dev) | ||
1006 | { | ||
1007 | int deadzone, desired_avg_lum, result; | ||
1008 | struct sd *sd = (struct sd *) gspca_dev; | ||
1009 | int avg_lum = atomic_read(&sd->avg_lum); | ||
1010 | |||
1011 | if ((gspca_dev->ctrl_dis & (1 << AUTOGAIN)) || | ||
1012 | avg_lum == -1 || !sd->ctrls[AUTOGAIN].val) | ||
1013 | return; | ||
1014 | |||
1015 | if (sd->autogain_ignore_frames > 0) { | ||
1016 | sd->autogain_ignore_frames--; | ||
1017 | return; | ||
1018 | } | ||
1019 | |||
1020 | /* SIF / VGA sensors have a different autoexposure area and thus | ||
1021 | different avg_lum values for the same picture brightness */ | ||
1022 | if (sensor_data[sd->sensor].flags & F_SIF) { | ||
1023 | deadzone = 500; | ||
1024 | /* SIF sensors tend to overexpose, so keep this small */ | ||
1025 | desired_avg_lum = 5000; | ||
1026 | } else { | ||
1027 | deadzone = 1500; | ||
1028 | desired_avg_lum = 13000; | ||
1029 | } | ||
1030 | |||
1031 | if (sensor_data[sd->sensor].flags & F_COARSE_EXPO) | ||
1032 | result = coarse_grained_expo_autogain(gspca_dev, avg_lum, | ||
1033 | sd->ctrls[BRIGHTNESS].val | ||
1034 | * desired_avg_lum / 127, | ||
1035 | deadzone); | ||
1036 | else | ||
1037 | result = auto_gain_n_exposure(gspca_dev, avg_lum, | ||
1038 | sd->ctrls[BRIGHTNESS].val | ||
1039 | * desired_avg_lum / 127, | ||
1040 | deadzone, GAIN_KNEE, EXPOSURE_KNEE); | ||
1041 | |||
1042 | if (result) { | ||
1043 | PDEBUG(D_FRAM, "autogain: gain changed: gain: %d expo: %d", | ||
1044 | (int) sd->ctrls[GAIN].val, | ||
1045 | (int) sd->ctrls[EXPOSURE].val); | ||
1046 | sd->autogain_ignore_frames = AUTOGAIN_IGNORE_FRAMES; | ||
1047 | } | ||
1048 | } | ||
1049 | |||
1050 | /* this function is called at probe time */ | ||
1051 | static int sd_config(struct gspca_dev *gspca_dev, | ||
1052 | const struct usb_device_id *id) | ||
1053 | { | ||
1054 | struct sd *sd = (struct sd *) gspca_dev; | ||
1055 | struct cam *cam; | ||
1056 | |||
1057 | reg_r(gspca_dev, 0x00); | ||
1058 | if (gspca_dev->usb_buf[0] != 0x10) | ||
1059 | return -ENODEV; | ||
1060 | |||
1061 | /* copy the webcam info from the device id */ | ||
1062 | sd->sensor = id->driver_info >> 8; | ||
1063 | sd->bridge = id->driver_info & 0xff; | ||
1064 | |||
1065 | gspca_dev->ctrl_dis = sensor_data[sd->sensor].ctrl_dis; | ||
1066 | #if AUTOGAIN_DEF | ||
1067 | if (!(gspca_dev->ctrl_dis & (1 << AUTOGAIN))) | ||
1068 | gspca_dev->ctrl_inac = (1 << GAIN) | (1 << EXPOSURE); | ||
1069 | #endif | ||
1070 | |||
1071 | cam = &gspca_dev->cam; | ||
1072 | cam->ctrls = sd->ctrls; | ||
1073 | if (!(sensor_data[sd->sensor].flags & F_SIF)) { | ||
1074 | cam->cam_mode = vga_mode; | ||
1075 | cam->nmodes = ARRAY_SIZE(vga_mode); | ||
1076 | } else { | ||
1077 | cam->cam_mode = sif_mode; | ||
1078 | cam->nmodes = ARRAY_SIZE(sif_mode); | ||
1079 | } | ||
1080 | cam->npkt = 36; /* 36 packets per ISOC message */ | ||
1081 | |||
1082 | if (sensor_data[sd->sensor].flags & F_COARSE_EXPO) { | ||
1083 | sd->ctrls[EXPOSURE].min = COARSE_EXPOSURE_MIN; | ||
1084 | sd->ctrls[EXPOSURE].max = COARSE_EXPOSURE_MAX; | ||
1085 | sd->ctrls[EXPOSURE].def = COARSE_EXPOSURE_DEF; | ||
1086 | } | ||
1087 | |||
1088 | return 0; | ||
1089 | } | ||
1090 | |||
1091 | /* this function is called at probe and resume time */ | ||
1092 | static int sd_init(struct gspca_dev *gspca_dev) | ||
1093 | { | ||
1094 | const __u8 stop = 0x09; /* Disable stream turn of LED */ | ||
1095 | |||
1096 | reg_w(gspca_dev, 0x01, &stop, 1); | ||
1097 | |||
1098 | return 0; | ||
1099 | } | ||
1100 | |||
1101 | /* -- start the camera -- */ | ||
1102 | static int sd_start(struct gspca_dev *gspca_dev) | ||
1103 | { | ||
1104 | struct sd *sd = (struct sd *) gspca_dev; | ||
1105 | struct cam *cam = &gspca_dev->cam; | ||
1106 | int i, mode; | ||
1107 | __u8 regs[0x31]; | ||
1108 | |||
1109 | mode = cam->cam_mode[gspca_dev->curr_mode].priv & 0x07; | ||
1110 | /* Copy registers 0x01 - 0x19 from the template */ | ||
1111 | memcpy(®s[0x01], sensor_data[sd->sensor].bridge_init, 0x19); | ||
1112 | /* Set the mode */ | ||
1113 | regs[0x18] |= mode << 4; | ||
1114 | |||
1115 | /* Set bridge gain to 1.0 */ | ||
1116 | if (sd->bridge == BRIDGE_103) { | ||
1117 | regs[0x05] = 0x20; /* Red */ | ||
1118 | regs[0x06] = 0x20; /* Green */ | ||
1119 | regs[0x07] = 0x20; /* Blue */ | ||
1120 | } else { | ||
1121 | regs[0x10] = 0x00; /* Red and blue */ | ||
1122 | regs[0x11] = 0x00; /* Green */ | ||
1123 | } | ||
1124 | |||
1125 | /* Setup pixel numbers and auto exposure window */ | ||
1126 | if (sensor_data[sd->sensor].flags & F_SIF) { | ||
1127 | regs[0x1a] = 0x14; /* HO_SIZE 640, makes no sense */ | ||
1128 | regs[0x1b] = 0x0a; /* VO_SIZE 320, makes no sense */ | ||
1129 | regs[0x1c] = 0x02; /* AE H-start 64 */ | ||
1130 | regs[0x1d] = 0x02; /* AE V-start 64 */ | ||
1131 | regs[0x1e] = 0x09; /* AE H-end 288 */ | ||
1132 | regs[0x1f] = 0x07; /* AE V-end 224 */ | ||
1133 | } else { | ||
1134 | regs[0x1a] = 0x1d; /* HO_SIZE 960, makes no sense */ | ||
1135 | regs[0x1b] = 0x10; /* VO_SIZE 512, makes no sense */ | ||
1136 | regs[0x1c] = 0x05; /* AE H-start 160 */ | ||
1137 | regs[0x1d] = 0x03; /* AE V-start 96 */ | ||
1138 | regs[0x1e] = 0x0f; /* AE H-end 480 */ | ||
1139 | regs[0x1f] = 0x0c; /* AE V-end 384 */ | ||
1140 | } | ||
1141 | |||
1142 | /* Setup the gamma table (only used with the sn9c103 bridge) */ | ||
1143 | for (i = 0; i < 16; i++) | ||
1144 | regs[0x20 + i] = i * 16; | ||
1145 | regs[0x20 + i] = 255; | ||
1146 | |||
1147 | /* Special cases where some regs depend on mode or bridge */ | ||
1148 | switch (sd->sensor) { | ||
1149 | case SENSOR_TAS5130CXX: | ||
1150 | /* FIXME / TESTME | ||
1151 | probably not mode specific at all most likely the upper | ||
1152 | nibble of 0x19 is exposure (clock divider) just as with | ||
1153 | the tas5110, we need someone to test this. */ | ||
1154 | regs[0x19] = mode ? 0x23 : 0x43; | ||
1155 | break; | ||
1156 | case SENSOR_OV7630: | ||
1157 | /* FIXME / TESTME for some reason with the 101/102 bridge the | ||
1158 | clock is set to 12 Mhz (reg1 == 0x04), rather then 24. | ||
1159 | Also the hstart needs to go from 1 to 2 when using a 103, | ||
1160 | which is likely related. This does not seem right. */ | ||
1161 | if (sd->bridge == BRIDGE_103) { | ||
1162 | regs[0x01] = 0x44; /* Select 24 Mhz clock */ | ||
1163 | regs[0x12] = 0x02; /* Set hstart to 2 */ | ||
1164 | } | ||
1165 | } | ||
1166 | /* Disable compression when the raw bayer format has been selected */ | ||
1167 | if (cam->cam_mode[gspca_dev->curr_mode].priv & MODE_RAW) | ||
1168 | regs[0x18] &= ~0x80; | ||
1169 | |||
1170 | /* Vga mode emulation on SIF sensor? */ | ||
1171 | if (cam->cam_mode[gspca_dev->curr_mode].priv & MODE_REDUCED_SIF) { | ||
1172 | regs[0x12] += 16; /* hstart adjust */ | ||
1173 | regs[0x13] += 24; /* vstart adjust */ | ||
1174 | regs[0x15] = 320 / 16; /* hsize */ | ||
1175 | regs[0x16] = 240 / 16; /* vsize */ | ||
1176 | } | ||
1177 | |||
1178 | /* reg 0x01 bit 2 video transfert on */ | ||
1179 | reg_w(gspca_dev, 0x01, ®s[0x01], 1); | ||
1180 | /* reg 0x17 SensorClk enable inv Clk 0x60 */ | ||
1181 | reg_w(gspca_dev, 0x17, ®s[0x17], 1); | ||
1182 | /* Set the registers from the template */ | ||
1183 | reg_w(gspca_dev, 0x01, ®s[0x01], | ||
1184 | (sd->bridge == BRIDGE_103) ? 0x30 : 0x1f); | ||
1185 | |||
1186 | /* Init the sensor */ | ||
1187 | i2c_w_vector(gspca_dev, sensor_data[sd->sensor].sensor_init, | ||
1188 | sensor_data[sd->sensor].sensor_init_size); | ||
1189 | |||
1190 | /* Mode / bridge specific sensor setup */ | ||
1191 | switch (sd->sensor) { | ||
1192 | case SENSOR_PAS202: { | ||
1193 | const __u8 i2cpclockdiv[] = | ||
1194 | {0xa0, 0x40, 0x02, 0x03, 0x00, 0x00, 0x00, 0x10}; | ||
1195 | /* clockdiv from 4 to 3 (7.5 -> 10 fps) when in low res mode */ | ||
1196 | if (mode) | ||
1197 | i2c_w(gspca_dev, i2cpclockdiv); | ||
1198 | break; | ||
1199 | } | ||
1200 | case SENSOR_OV7630: | ||
1201 | /* FIXME / TESTME We should be able to handle this identical | ||
1202 | for the 101/102 and the 103 case */ | ||
1203 | if (sd->bridge == BRIDGE_103) { | ||
1204 | const __u8 i2c[] = { 0xa0, 0x21, 0x13, | ||
1205 | 0x80, 0x00, 0x00, 0x00, 0x10 }; | ||
1206 | i2c_w(gspca_dev, i2c); | ||
1207 | } | ||
1208 | break; | ||
1209 | } | ||
1210 | /* H_size V_size 0x28, 0x1e -> 640x480. 0x16, 0x12 -> 352x288 */ | ||
1211 | reg_w(gspca_dev, 0x15, ®s[0x15], 2); | ||
1212 | /* compression register */ | ||
1213 | reg_w(gspca_dev, 0x18, ®s[0x18], 1); | ||
1214 | /* H_start */ | ||
1215 | reg_w(gspca_dev, 0x12, ®s[0x12], 1); | ||
1216 | /* V_START */ | ||
1217 | reg_w(gspca_dev, 0x13, ®s[0x13], 1); | ||
1218 | /* reset 0x17 SensorClk enable inv Clk 0x60 */ | ||
1219 | /*fixme: ov7630 [17]=68 8f (+20 if 102)*/ | ||
1220 | reg_w(gspca_dev, 0x17, ®s[0x17], 1); | ||
1221 | /*MCKSIZE ->3 */ /*fixme: not ov7630*/ | ||
1222 | reg_w(gspca_dev, 0x19, ®s[0x19], 1); | ||
1223 | /* AE_STRX AE_STRY AE_ENDX AE_ENDY */ | ||
1224 | reg_w(gspca_dev, 0x1c, ®s[0x1c], 4); | ||
1225 | /* Enable video transfert */ | ||
1226 | reg_w(gspca_dev, 0x01, ®s[0x01], 1); | ||
1227 | /* Compression */ | ||
1228 | reg_w(gspca_dev, 0x18, ®s[0x18], 2); | ||
1229 | msleep(20); | ||
1230 | |||
1231 | sd->reg11 = -1; | ||
1232 | |||
1233 | setgain(gspca_dev); | ||
1234 | setbrightness(gspca_dev); | ||
1235 | setexposure(gspca_dev); | ||
1236 | setfreq(gspca_dev); | ||
1237 | |||
1238 | sd->frames_to_drop = 0; | ||
1239 | sd->autogain_ignore_frames = 0; | ||
1240 | sd->exp_too_high_cnt = 0; | ||
1241 | sd->exp_too_low_cnt = 0; | ||
1242 | atomic_set(&sd->avg_lum, -1); | ||
1243 | return 0; | ||
1244 | } | ||
1245 | |||
1246 | static void sd_stopN(struct gspca_dev *gspca_dev) | ||
1247 | { | ||
1248 | sd_init(gspca_dev); | ||
1249 | } | ||
1250 | |||
1251 | static u8* find_sof(struct gspca_dev *gspca_dev, u8 *data, int len) | ||
1252 | { | ||
1253 | struct sd *sd = (struct sd *) gspca_dev; | ||
1254 | int i, header_size = (sd->bridge == BRIDGE_103) ? 18 : 12; | ||
1255 | |||
1256 | /* frames start with: | ||
1257 | * ff ff 00 c4 c4 96 synchro | ||
1258 | * 00 (unknown) | ||
1259 | * xx (frame sequence / size / compression) | ||
1260 | * (xx) (idem - extra byte for sn9c103) | ||
1261 | * ll mm brightness sum inside auto exposure | ||
1262 | * ll mm brightness sum outside auto exposure | ||
1263 | * (xx xx xx xx xx) audio values for snc103 | ||
1264 | */ | ||
1265 | for (i = 0; i < len; i++) { | ||
1266 | switch (sd->header_read) { | ||
1267 | case 0: | ||
1268 | if (data[i] == 0xff) | ||
1269 | sd->header_read++; | ||
1270 | break; | ||
1271 | case 1: | ||
1272 | if (data[i] == 0xff) | ||
1273 | sd->header_read++; | ||
1274 | else | ||
1275 | sd->header_read = 0; | ||
1276 | break; | ||
1277 | case 2: | ||
1278 | if (data[i] == 0x00) | ||
1279 | sd->header_read++; | ||
1280 | else if (data[i] != 0xff) | ||
1281 | sd->header_read = 0; | ||
1282 | break; | ||
1283 | case 3: | ||
1284 | if (data[i] == 0xc4) | ||
1285 | sd->header_read++; | ||
1286 | else if (data[i] == 0xff) | ||
1287 | sd->header_read = 1; | ||
1288 | else | ||
1289 | sd->header_read = 0; | ||
1290 | break; | ||
1291 | case 4: | ||
1292 | if (data[i] == 0xc4) | ||
1293 | sd->header_read++; | ||
1294 | else if (data[i] == 0xff) | ||
1295 | sd->header_read = 1; | ||
1296 | else | ||
1297 | sd->header_read = 0; | ||
1298 | break; | ||
1299 | case 5: | ||
1300 | if (data[i] == 0x96) | ||
1301 | sd->header_read++; | ||
1302 | else if (data[i] == 0xff) | ||
1303 | sd->header_read = 1; | ||
1304 | else | ||
1305 | sd->header_read = 0; | ||
1306 | break; | ||
1307 | default: | ||
1308 | sd->header[sd->header_read - 6] = data[i]; | ||
1309 | sd->header_read++; | ||
1310 | if (sd->header_read == header_size) { | ||
1311 | sd->header_read = 0; | ||
1312 | return data + i + 1; | ||
1313 | } | ||
1314 | } | ||
1315 | } | ||
1316 | return NULL; | ||
1317 | } | ||
1318 | |||
1319 | static void sd_pkt_scan(struct gspca_dev *gspca_dev, | ||
1320 | u8 *data, /* isoc packet */ | ||
1321 | int len) /* iso packet length */ | ||
1322 | { | ||
1323 | int fr_h_sz = 0, lum_offset = 0, len_after_sof = 0; | ||
1324 | struct sd *sd = (struct sd *) gspca_dev; | ||
1325 | struct cam *cam = &gspca_dev->cam; | ||
1326 | u8 *sof; | ||
1327 | |||
1328 | sof = find_sof(gspca_dev, data, len); | ||
1329 | if (sof) { | ||
1330 | if (sd->bridge == BRIDGE_103) { | ||
1331 | fr_h_sz = 18; | ||
1332 | lum_offset = 3; | ||
1333 | } else { | ||
1334 | fr_h_sz = 12; | ||
1335 | lum_offset = 2; | ||
1336 | } | ||
1337 | |||
1338 | len_after_sof = len - (sof - data); | ||
1339 | len = (sof - data) - fr_h_sz; | ||
1340 | if (len < 0) | ||
1341 | len = 0; | ||
1342 | } | ||
1343 | |||
1344 | if (cam->cam_mode[gspca_dev->curr_mode].priv & MODE_RAW) { | ||
1345 | /* In raw mode we sometimes get some garbage after the frame | ||
1346 | ignore this */ | ||
1347 | int used; | ||
1348 | int size = cam->cam_mode[gspca_dev->curr_mode].sizeimage; | ||
1349 | |||
1350 | used = gspca_dev->image_len; | ||
1351 | if (used + len > size) | ||
1352 | len = size - used; | ||
1353 | } | ||
1354 | |||
1355 | gspca_frame_add(gspca_dev, INTER_PACKET, data, len); | ||
1356 | |||
1357 | if (sof) { | ||
1358 | int lum = sd->header[lum_offset] + | ||
1359 | (sd->header[lum_offset + 1] << 8); | ||
1360 | |||
1361 | /* When exposure changes midway a frame we | ||
1362 | get a lum of 0 in this case drop 2 frames | ||
1363 | as the frames directly after an exposure | ||
1364 | change have an unstable image. Sometimes lum | ||
1365 | *really* is 0 (cam used in low light with | ||
1366 | low exposure setting), so do not drop frames | ||
1367 | if the previous lum was 0 too. */ | ||
1368 | if (lum == 0 && sd->prev_avg_lum != 0) { | ||
1369 | lum = -1; | ||
1370 | sd->frames_to_drop = 2; | ||
1371 | sd->prev_avg_lum = 0; | ||
1372 | } else | ||
1373 | sd->prev_avg_lum = lum; | ||
1374 | atomic_set(&sd->avg_lum, lum); | ||
1375 | |||
1376 | if (sd->frames_to_drop) | ||
1377 | sd->frames_to_drop--; | ||
1378 | else | ||
1379 | gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0); | ||
1380 | |||
1381 | gspca_frame_add(gspca_dev, FIRST_PACKET, sof, len_after_sof); | ||
1382 | } | ||
1383 | } | ||
1384 | |||
1385 | static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val) | ||
1386 | { | ||
1387 | struct sd *sd = (struct sd *) gspca_dev; | ||
1388 | |||
1389 | sd->ctrls[AUTOGAIN].val = val; | ||
1390 | sd->exp_too_high_cnt = 0; | ||
1391 | sd->exp_too_low_cnt = 0; | ||
1392 | |||
1393 | /* when switching to autogain set defaults to make sure | ||
1394 | we are on a valid point of the autogain gain / | ||
1395 | exposure knee graph, and give this change time to | ||
1396 | take effect before doing autogain. */ | ||
1397 | if (sd->ctrls[AUTOGAIN].val | ||
1398 | && !(sensor_data[sd->sensor].flags & F_COARSE_EXPO)) { | ||
1399 | sd->ctrls[EXPOSURE].val = sd->ctrls[EXPOSURE].def; | ||
1400 | sd->ctrls[GAIN].val = sd->ctrls[GAIN].def; | ||
1401 | if (gspca_dev->streaming) { | ||
1402 | sd->autogain_ignore_frames = AUTOGAIN_IGNORE_FRAMES; | ||
1403 | setexposure(gspca_dev); | ||
1404 | setgain(gspca_dev); | ||
1405 | } | ||
1406 | } | ||
1407 | |||
1408 | if (sd->ctrls[AUTOGAIN].val) | ||
1409 | gspca_dev->ctrl_inac = (1 << GAIN) | (1 << EXPOSURE); | ||
1410 | else | ||
1411 | gspca_dev->ctrl_inac = 0; | ||
1412 | |||
1413 | return 0; | ||
1414 | } | ||
1415 | |||
1416 | static int sd_querymenu(struct gspca_dev *gspca_dev, | ||
1417 | struct v4l2_querymenu *menu) | ||
1418 | { | ||
1419 | switch (menu->id) { | ||
1420 | case V4L2_CID_POWER_LINE_FREQUENCY: | ||
1421 | switch (menu->index) { | ||
1422 | case 0: /* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */ | ||
1423 | strcpy((char *) menu->name, "NoFliker"); | ||
1424 | return 0; | ||
1425 | case 1: /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */ | ||
1426 | strcpy((char *) menu->name, "50 Hz"); | ||
1427 | return 0; | ||
1428 | case 2: /* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */ | ||
1429 | strcpy((char *) menu->name, "60 Hz"); | ||
1430 | return 0; | ||
1431 | } | ||
1432 | break; | ||
1433 | } | ||
1434 | return -EINVAL; | ||
1435 | } | ||
1436 | |||
1437 | #if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE) | ||
1438 | static int sd_int_pkt_scan(struct gspca_dev *gspca_dev, | ||
1439 | u8 *data, /* interrupt packet data */ | ||
1440 | int len) /* interrupt packet length */ | ||
1441 | { | ||
1442 | int ret = -EINVAL; | ||
1443 | |||
1444 | if (len == 1 && data[0] == 1) { | ||
1445 | input_report_key(gspca_dev->input_dev, KEY_CAMERA, 1); | ||
1446 | input_sync(gspca_dev->input_dev); | ||
1447 | input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0); | ||
1448 | input_sync(gspca_dev->input_dev); | ||
1449 | ret = 0; | ||
1450 | } | ||
1451 | |||
1452 | return ret; | ||
1453 | } | ||
1454 | #endif | ||
1455 | |||
1456 | /* sub-driver description */ | ||
1457 | static const struct sd_desc sd_desc = { | ||
1458 | .name = MODULE_NAME, | ||
1459 | .ctrls = sd_ctrls, | ||
1460 | .nctrls = ARRAY_SIZE(sd_ctrls), | ||
1461 | .config = sd_config, | ||
1462 | .init = sd_init, | ||
1463 | .start = sd_start, | ||
1464 | .stopN = sd_stopN, | ||
1465 | .pkt_scan = sd_pkt_scan, | ||
1466 | .querymenu = sd_querymenu, | ||
1467 | .dq_callback = do_autogain, | ||
1468 | #if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE) | ||
1469 | .int_pkt_scan = sd_int_pkt_scan, | ||
1470 | #endif | ||
1471 | }; | ||
1472 | |||
1473 | /* -- module initialisation -- */ | ||
1474 | #define SB(sensor, bridge) \ | ||
1475 | .driver_info = (SENSOR_ ## sensor << 8) | BRIDGE_ ## bridge | ||
1476 | |||
1477 | |||
1478 | static const struct usb_device_id device_table[] = { | ||
1479 | {USB_DEVICE(0x0c45, 0x6001), SB(TAS5110C, 102)}, /* TAS5110C1B */ | ||
1480 | {USB_DEVICE(0x0c45, 0x6005), SB(TAS5110C, 101)}, /* TAS5110C1B */ | ||
1481 | {USB_DEVICE(0x0c45, 0x6007), SB(TAS5110D, 101)}, /* TAS5110D */ | ||
1482 | {USB_DEVICE(0x0c45, 0x6009), SB(PAS106, 101)}, | ||
1483 | {USB_DEVICE(0x0c45, 0x600d), SB(PAS106, 101)}, | ||
1484 | {USB_DEVICE(0x0c45, 0x6011), SB(OV6650, 101)}, | ||
1485 | {USB_DEVICE(0x0c45, 0x6019), SB(OV7630, 101)}, | ||
1486 | #if !defined CONFIG_USB_SN9C102 && !defined CONFIG_USB_SN9C102_MODULE | ||
1487 | {USB_DEVICE(0x0c45, 0x6024), SB(TAS5130CXX, 102)}, | ||
1488 | {USB_DEVICE(0x0c45, 0x6025), SB(TAS5130CXX, 102)}, | ||
1489 | #endif | ||
1490 | {USB_DEVICE(0x0c45, 0x6028), SB(PAS202, 102)}, | ||
1491 | {USB_DEVICE(0x0c45, 0x6029), SB(PAS106, 102)}, | ||
1492 | {USB_DEVICE(0x0c45, 0x602a), SB(HV7131D, 102)}, | ||
1493 | /* {USB_DEVICE(0x0c45, 0x602b), SB(MI0343, 102)}, */ | ||
1494 | {USB_DEVICE(0x0c45, 0x602c), SB(OV7630, 102)}, | ||
1495 | {USB_DEVICE(0x0c45, 0x602d), SB(HV7131R, 102)}, | ||
1496 | {USB_DEVICE(0x0c45, 0x602e), SB(OV7630, 102)}, | ||
1497 | /* {USB_DEVICE(0x0c45, 0x6030), SB(MI03XX, 102)}, */ /* MI0343 MI0360 MI0330 */ | ||
1498 | /* {USB_DEVICE(0x0c45, 0x6082), SB(MI03XX, 103)}, */ /* MI0343 MI0360 */ | ||
1499 | {USB_DEVICE(0x0c45, 0x6083), SB(HV7131D, 103)}, | ||
1500 | {USB_DEVICE(0x0c45, 0x608c), SB(HV7131R, 103)}, | ||
1501 | /* {USB_DEVICE(0x0c45, 0x608e), SB(CISVF10, 103)}, */ | ||
1502 | {USB_DEVICE(0x0c45, 0x608f), SB(OV7630, 103)}, | ||
1503 | {USB_DEVICE(0x0c45, 0x60a8), SB(PAS106, 103)}, | ||
1504 | {USB_DEVICE(0x0c45, 0x60aa), SB(TAS5130CXX, 103)}, | ||
1505 | {USB_DEVICE(0x0c45, 0x60af), SB(PAS202, 103)}, | ||
1506 | {USB_DEVICE(0x0c45, 0x60b0), SB(OV7630, 103)}, | ||
1507 | {} | ||
1508 | }; | ||
1509 | MODULE_DEVICE_TABLE(usb, device_table); | ||
1510 | |||
1511 | /* -- device connect -- */ | ||
1512 | static int sd_probe(struct usb_interface *intf, | ||
1513 | const struct usb_device_id *id) | ||
1514 | { | ||
1515 | return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), | ||
1516 | THIS_MODULE); | ||
1517 | } | ||
1518 | |||
1519 | static struct usb_driver sd_driver = { | ||
1520 | .name = MODULE_NAME, | ||
1521 | .id_table = device_table, | ||
1522 | .probe = sd_probe, | ||
1523 | .disconnect = gspca_disconnect, | ||
1524 | #ifdef CONFIG_PM | ||
1525 | .suspend = gspca_suspend, | ||
1526 | .resume = gspca_resume, | ||
1527 | #endif | ||
1528 | }; | ||
1529 | |||
1530 | /* -- module insert / remove -- */ | ||
1531 | static int __init sd_mod_init(void) | ||
1532 | { | ||
1533 | return usb_register(&sd_driver); | ||
1534 | } | ||
1535 | static void __exit sd_mod_exit(void) | ||
1536 | { | ||
1537 | usb_deregister(&sd_driver); | ||
1538 | } | ||
1539 | |||
1540 | module_init(sd_mod_init); | ||
1541 | module_exit(sd_mod_exit); | ||