2 * Sunplus spca561 subdriver
4 * Copyright (C) 2004 Michel Xhaard mxhaard@magic.fr
6 * V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
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
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.
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
23 #define MODULE_NAME "spca561"
27 MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
28 MODULE_DESCRIPTION("GSPCA/SPCA561 USB Camera Driver");
29 MODULE_LICENSE("GPL");
31 /* specific webcam descriptor */
33 struct gspca_dev gspca_dev
; /* !! must be the first item */
35 __u16 exposure
; /* rev12a only */
36 #define EXPOSURE_MIN 1
37 #define EXPOSURE_DEF 200
38 #define EXPOSURE_MAX (4095 - 900) /* see set_exposure */
40 __u8 contrast
; /* rev72a only */
41 #define CONTRAST_MIN 0x00
42 #define CONTRAST_DEF 0x20
43 #define CONTRAST_MAX 0x3f
45 __u8 brightness
; /* rev72a only */
46 #define BRIGHTNESS_MIN 0
47 #define BRIGHTNESS_DEF 0x20
48 #define BRIGHTNESS_MAX 0x3f
52 #define WHITE_DEF 0x40
53 #define WHITE_MAX 0x7f
56 #define AUTOGAIN_MIN 0
57 #define AUTOGAIN_DEF 1
58 #define AUTOGAIN_MAX 1
60 __u8 gain
; /* rev12a only */
66 __u8 expo12a
; /* expo/gain? for rev 12a */
73 #define AG_CNT_START 13
76 static struct v4l2_pix_format sif_012a_mode
[] = {
77 {160, 120, V4L2_PIX_FMT_SGBRG8
, V4L2_FIELD_NONE
,
79 .sizeimage
= 160 * 120,
80 .colorspace
= V4L2_COLORSPACE_SRGB
,
82 {176, 144, V4L2_PIX_FMT_SGBRG8
, V4L2_FIELD_NONE
,
84 .sizeimage
= 176 * 144,
85 .colorspace
= V4L2_COLORSPACE_SRGB
,
87 {320, 240, V4L2_PIX_FMT_SPCA561
, V4L2_FIELD_NONE
,
89 .sizeimage
= 320 * 240 * 4 / 8,
90 .colorspace
= V4L2_COLORSPACE_SRGB
,
92 {352, 288, V4L2_PIX_FMT_SPCA561
, V4L2_FIELD_NONE
,
94 .sizeimage
= 352 * 288 * 4 / 8,
95 .colorspace
= V4L2_COLORSPACE_SRGB
,
99 static struct v4l2_pix_format sif_072a_mode
[] = {
100 {160, 120, V4L2_PIX_FMT_SGBRG8
, V4L2_FIELD_NONE
,
102 .sizeimage
= 160 * 120,
103 .colorspace
= V4L2_COLORSPACE_SRGB
,
105 {176, 144, V4L2_PIX_FMT_SGBRG8
, V4L2_FIELD_NONE
,
107 .sizeimage
= 176 * 144,
108 .colorspace
= V4L2_COLORSPACE_SRGB
,
110 {320, 240, V4L2_PIX_FMT_SGBRG8
, V4L2_FIELD_NONE
,
112 .sizeimage
= 320 * 240,
113 .colorspace
= V4L2_COLORSPACE_SRGB
,
115 {352, 288, V4L2_PIX_FMT_SGBRG8
, V4L2_FIELD_NONE
,
117 .sizeimage
= 352 * 288,
118 .colorspace
= V4L2_COLORSPACE_SRGB
,
123 * Initialization data
124 * I'm not very sure how to split initialization from open data
125 * chunks. For now, we'll consider everything as initialization
127 /* Frame packet header offsets for the spca561 */
128 #define SPCA561_OFFSET_SNAP 1
129 #define SPCA561_OFFSET_TYPE 2
130 #define SPCA561_OFFSET_COMPRESS 3
131 #define SPCA561_OFFSET_FRAMSEQ 4
132 #define SPCA561_OFFSET_GPIO 5
133 #define SPCA561_OFFSET_USBBUFF 6
134 #define SPCA561_OFFSET_WIN2GRAVE 7
135 #define SPCA561_OFFSET_WIN2RAVE 8
136 #define SPCA561_OFFSET_WIN2BAVE 9
137 #define SPCA561_OFFSET_WIN2GBAVE 10
138 #define SPCA561_OFFSET_WIN1GRAVE 11
139 #define SPCA561_OFFSET_WIN1RAVE 12
140 #define SPCA561_OFFSET_WIN1BAVE 13
141 #define SPCA561_OFFSET_WIN1GBAVE 14
142 #define SPCA561_OFFSET_FREQ 15
143 #define SPCA561_OFFSET_VSYNC 16
144 #define SPCA561_OFFSET_DATA 1
145 #define SPCA561_INDEX_I2C_BASE 0x8800
146 #define SPCA561_SNAPBIT 0x20
147 #define SPCA561_SNAPCTRL 0x40
149 static const __u16 rev72a_init_data1
[][2] = {
150 {0x0000, 0x8114}, /* Software GPIO output data */
151 {0x0001, 0x8114}, /* Software GPIO output data */
152 {0x0000, 0x8112}, /* Some kind of reset */
153 {0x0003, 0x8701}, /* PCLK clock delay adjustment */
154 {0x0001, 0x8703}, /* HSYNC from cmos inverted */
155 {0x0011, 0x8118}, /* Enable and conf sensor */
156 {0x0001, 0x8118}, /* Conf sensor */
157 {0x0092, 0x8804}, /* I know nothing about these */
158 {0x0010, 0x8802}, /* 0x88xx registers, so I won't */
159 {0x000d, 0x8805}, /* sensor default setting */
162 static const __u16 rev72a_init_sensor1
[][2] = {
164 {0x0001, 0x0018}, /* 0x01 <- 0x0d */
165 {0x0002, 0x0065}, /* 0x02 <- 0x18 */
166 {0x0004, 0x0121}, /* 0x04 <- 0x0165 */
167 {0x0005, 0x00aa}, /* 0x05 <- 0x21 */
168 {0x0007, 0x0004}, /* 0x07 <- 0xaa */
169 {0x0020, 0x1502}, /* 0x20 <- 0x1504 */
170 {0x0039, 0x0010}, /* 0x39 <- 0x02 */
171 {0x0035, 0x0049}, /* 0x35 <- 0x10 */
172 {0x0009, 0x100b}, /* 0x09 <- 0x1049 */
173 {0x0028, 0x000f}, /* 0x28 <- 0x0b */
174 {0x003b, 0x003c}, /* 0x3b <- 0x0f */
175 {0x003c, 0x0000}, /* 0x3c <- 0x00 */
178 static const __u16 rev72a_init_data2
[][2] = {
179 {0x0018, 0x8601}, /* Pixel/line selection for color separation */
180 {0x0000, 0x8602}, /* Optical black level for user setting */
181 {0x0060, 0x8604}, /* Optical black horizontal offset */
182 {0x0002, 0x8605}, /* Optical black vertical offset */
183 {0x0000, 0x8603}, /* Non-automatic optical black level */
184 {0x0002, 0x865b}, /* Horizontal offset for valid pixels */
185 {0x0000, 0x865f}, /* Vertical valid pixels window (x2) */
186 {0x00b0, 0x865d}, /* Horizontal valid pixels window (x2) */
187 {0x0090, 0x865e}, /* Vertical valid lines window (x2) */
188 {0x00e0, 0x8406}, /* Memory buffer threshold */
189 {0x0000, 0x8660}, /* Compensation memory stuff */
190 {0x0002, 0x8201}, /* Output address for r/w serial EEPROM */
191 {0x0008, 0x8200}, /* Clear valid bit for serial EEPROM */
192 {0x0001, 0x8200}, /* OprMode to be executed by hardware */
193 {0x0007, 0x8201}, /* Output address for r/w serial EEPROM */
194 {0x0008, 0x8200}, /* Clear valid bit for serial EEPROM */
195 {0x0001, 0x8200}, /* OprMode to be executed by hardware */
196 {0x0010, 0x8660}, /* Compensation memory stuff */
197 {0x0018, 0x8660}, /* Compensation memory stuff */
199 {0x0004, 0x8611}, /* R offset for white balance */
200 {0x0004, 0x8612}, /* Gr offset for white balance */
201 {0x0007, 0x8613}, /* B offset for white balance */
202 {0x0000, 0x8614}, /* Gb offset for white balance */
204 {0x0035, 0x8651}, /* R gain for white balance */
205 {0x0040, 0x8652}, /* Gr gain for white balance */
206 {0x005f, 0x8653}, /* B gain for white balance */
207 {0x0040, 0x8654}, /* Gb gain for white balance */
208 {0x0002, 0x8502}, /* Maximum average bit rate stuff */
211 {0x0087, 0x8700}, /* Set master clock (96Mhz????) */
212 {0x0081, 0x8702}, /* Master clock output enable */
214 {0x0000, 0x8500}, /* Set image type (352x288 no compression) */
215 /* Originally was 0x0010 (352x288 compression) */
217 {0x0002, 0x865b}, /* Horizontal offset for valid pixels */
218 {0x0003, 0x865c}, /* Vertical offset for valid lines */
221 static const __u16 rev72a_init_sensor2
[][2] = {
223 {0x0003, 0x0121}, /* 0x03 <- 0x01 0x21 //289 */
224 {0x0004, 0x0165}, /* 0x04 <- 0x01 0x65 //357 */
225 {0x0005, 0x002f}, /* 0x05 <- 0x2f */
226 {0x0006, 0x0000}, /* 0x06 <- 0 */
227 {0x000a, 0x0002}, /* 0x0a <- 2 */
228 {0x0009, 0x1061}, /* 0x09 <- 0x1061 */
229 {0x0035, 0x0014}, /* 0x35 <- 0x14 */
232 static const __u16 rev72a_init_data3
[][2] = {
233 {0x0030, 0x8112}, /* ISO and drop packet enable */
234 /*fixme: should stop here*/
235 {0x0000, 0x8112}, /* Some kind of reset ???? */
236 {0x0009, 0x8118}, /* Enable sensor and set standby */
237 {0x0000, 0x8114}, /* Software GPIO output data */
238 {0x0000, 0x8114}, /* Software GPIO output data */
239 {0x0001, 0x8114}, /* Software GPIO output data */
240 {0x0000, 0x8112}, /* Some kind of reset ??? */
261 {0x0007, 0x8801}, /* mode 0xaa */
265 {0x0015, 0x8800}, /* mode 0x0415 */
289 {0x0087, 0x8700}, /* overwrite by start */
292 /* {0x0010, 0x8500}, -- Previous line was this */
296 {0x0003, 0x8801}, /* 0x121-> 289 */
299 {0x0004, 0x8801}, /* 0x165 -> 357 */
302 {0x0005, 0x8801}, /* 0x2f //blanking control colonne */
305 {0x0006, 0x8801}, /* 0x00 //blanking mode row */
308 {0x000a, 0x8801}, /* 0x01 //0x02 */
311 {0x0009, 0x8801}, /* 0x1061 - setexposure times && pixel clock
312 * 0001 0 | 000 0110 0001 */
313 {0x0061, 0x8805}, /* 61 31 */
314 {0x0008, 0x8800}, /* 08 */
315 {0x0035, 0x8801}, /* 0x14 - set gain general */
316 {0x001f, 0x8805}, /* 0x14 */
318 {0x000e, 0x8112}, /* white balance - was 30 */
322 /******************** QC Express etch2 stuff ********************/
323 static const __u16 Pb100_1map8300
[][2] = {
327 {0x8303, 0x0125}, /* image area */
330 {0x833c, 0x0001}, /*fixme: win:07*/
332 {0x832f, 0x1904}, /*fixme: was 0419*/
338 static const __u16 Pb100_2map8300
[][2] = {
345 static const __u16 spca561_161rev12A_data1
[][2] = {
346 {0x29, 0x8118}, /* white balance - was 21 */
347 {0x08, 0x8114}, /* white balance - was 01 */
348 {0x0e, 0x8112}, /* white balance - was 00 */
349 {0x00, 0x8102}, /* white balance - new */
351 {0x04, 0x8802}, /* windows uses 08 */
354 static const __u16 spca561_161rev12A_data2
[][2] = {
362 {0x07, 0x8201}, /* windows uses 02 */
367 {0x01, 0x8114}, /* windows uses 00 */
374 {0x07, 0x8601}, /* white balance - new */
375 {0x07, 0x8602}, /* white balance - new */
376 {0x00, 0x8610}, /* *red */
377 {0x00, 0x8611}, /* 3f *green */
378 {0x00, 0x8612}, /* green *blue */
379 {0x00, 0x8613}, /* blue *green */
380 {0x43, 0x8614}, /* green *red - white balance - was 0x35 */
381 {0x40, 0x8615}, /* 40 *green - white balance - was 0x35 */
382 {0x71, 0x8616}, /* 7a *blue - white balance - was 0x35 */
383 {0x40, 0x8617}, /* 40 *green - white balance - was 0x35 */
385 {0x0c, 0x8620}, /* 0c */
386 {0xc8, 0x8631}, /* c8 */
387 {0xc8, 0x8634}, /* c8 */
388 {0x23, 0x8635}, /* 23 */
389 {0x1f, 0x8636}, /* 1f */
390 {0xdd, 0x8637}, /* dd */
391 {0xe1, 0x8638}, /* e1 */
392 {0x1d, 0x8639}, /* 1d */
393 {0x21, 0x863a}, /* 21 */
394 {0xe3, 0x863b}, /* e3 */
395 {0xdf, 0x863c}, /* df */
398 /* {0x99, 0x8700}, * - white balance - new (removed) */
402 static void reg_w_val(struct usb_device
*dev
, __u16 index
, __u8 value
)
406 ret
= usb_control_msg(dev
, usb_sndctrlpipe(dev
, 0),
408 USB_DIR_OUT
| USB_TYPE_VENDOR
| USB_RECIP_DEVICE
,
409 value
, index
, NULL
, 0, 500);
410 PDEBUG(D_USBO
, "reg write: 0x%02x:0x%02x", index
, value
);
412 PDEBUG(D_ERR
, "reg write: error %d", ret
);
415 static void write_vector(struct gspca_dev
*gspca_dev
,
416 const __u16 data
[][2])
418 struct usb_device
*dev
= gspca_dev
->dev
;
422 while (data
[i
][1] != 0) {
423 reg_w_val(dev
, data
[i
][1], data
[i
][0]);
428 /* read 'len' bytes to gspca_dev->usb_buf */
429 static void reg_r(struct gspca_dev
*gspca_dev
,
430 __u16 index
, __u16 length
)
432 usb_control_msg(gspca_dev
->dev
,
433 usb_rcvctrlpipe(gspca_dev
->dev
, 0),
435 USB_DIR_IN
| USB_TYPE_VENDOR
| USB_RECIP_DEVICE
,
437 index
, gspca_dev
->usb_buf
, length
, 500);
440 /* write 'len' bytes from gspca_dev->usb_buf */
441 static void reg_w_buf(struct gspca_dev
*gspca_dev
,
442 __u16 index
, __u16 len
)
444 usb_control_msg(gspca_dev
->dev
,
445 usb_sndctrlpipe(gspca_dev
->dev
, 0),
447 USB_DIR_OUT
| USB_TYPE_VENDOR
| USB_RECIP_DEVICE
,
449 index
, gspca_dev
->usb_buf
, len
, 500);
452 static void i2c_write(struct gspca_dev
*gspca_dev
, __u16 value
, __u16 reg
)
456 reg_w_val(gspca_dev
->dev
, 0x8801, reg
);
457 reg_w_val(gspca_dev
->dev
, 0x8805, value
);
458 reg_w_val(gspca_dev
->dev
, 0x8800, value
>> 8);
460 reg_r(gspca_dev
, 0x8803, 1);
461 if (!gspca_dev
->usb_buf
[0])
466 static int i2c_read(struct gspca_dev
*gspca_dev
, __u16 reg
, __u8 mode
)
471 reg_w_val(gspca_dev
->dev
, 0x8804, 0x92);
472 reg_w_val(gspca_dev
->dev
, 0x8801, reg
);
473 reg_w_val(gspca_dev
->dev
, 0x8802, mode
| 0x01);
475 reg_r(gspca_dev
, 0x8803, 1);
476 if (!gspca_dev
->usb_buf
[0]) {
477 reg_r(gspca_dev
, 0x8800, 1);
478 value
= gspca_dev
->usb_buf
[0];
479 reg_r(gspca_dev
, 0x8805, 1);
480 return ((int) value
<< 8) | gspca_dev
->usb_buf
[0];
486 static void sensor_mapwrite(struct gspca_dev
*gspca_dev
,
487 const __u16 (*sensormap
)[2])
489 while ((*sensormap
)[0]) {
490 gspca_dev
->usb_buf
[0] = (*sensormap
)[1];
491 gspca_dev
->usb_buf
[1] = (*sensormap
)[1] >> 8;
492 reg_w_buf(gspca_dev
, (*sensormap
)[0], 2);
497 static void write_sensor_72a(struct gspca_dev
*gspca_dev
,
498 const __u16 (*sensor
)[2])
500 while ((*sensor
)[0]) {
501 i2c_write(gspca_dev
, (*sensor
)[1], (*sensor
)[0]);
506 static void init_161rev12A(struct gspca_dev
*gspca_dev
)
508 write_vector(gspca_dev
, spca561_161rev12A_data1
);
509 sensor_mapwrite(gspca_dev
, Pb100_1map8300
);
510 /*fixme: should be in sd_start*/
511 write_vector(gspca_dev
, spca561_161rev12A_data2
);
512 sensor_mapwrite(gspca_dev
, Pb100_2map8300
);
515 /* this function is called at probe time */
516 static int sd_config(struct gspca_dev
*gspca_dev
,
517 const struct usb_device_id
*id
)
519 struct sd
*sd
= (struct sd
*) gspca_dev
;
521 __u16 vendor
, product
;
524 /* Read frm global register the USB product and vendor IDs, just to
525 * prove that we can communicate with the device. This works, which
526 * confirms at we are communicating properly and that the device
528 reg_r(gspca_dev
, 0x8104, 1);
529 data1
= gspca_dev
->usb_buf
[0];
530 reg_r(gspca_dev
, 0x8105, 1);
531 data2
= gspca_dev
->usb_buf
[0];
532 vendor
= (data2
<< 8) | data1
;
533 reg_r(gspca_dev
, 0x8106, 1);
534 data1
= gspca_dev
->usb_buf
[0];
535 reg_r(gspca_dev
, 0x8107, 1);
536 data2
= gspca_dev
->usb_buf
[0];
537 product
= (data2
<< 8) | data1
;
538 if (vendor
!= id
->idVendor
|| product
!= id
->idProduct
) {
539 PDEBUG(D_PROBE
, "Bad vendor / product from device");
543 cam
= &gspca_dev
->cam
;
545 gspca_dev
->nbalt
= 7 + 1; /* choose alternate 7 first */
547 sd
->chip_revision
= id
->driver_info
;
548 if (sd
->chip_revision
== Rev012A
) {
549 cam
->cam_mode
= sif_012a_mode
;
550 cam
->nmodes
= ARRAY_SIZE(sif_012a_mode
);
552 cam
->cam_mode
= sif_072a_mode
;
553 cam
->nmodes
= ARRAY_SIZE(sif_072a_mode
);
555 sd
->brightness
= BRIGHTNESS_DEF
;
556 sd
->contrast
= CONTRAST_DEF
;
557 sd
->white
= WHITE_DEF
;
558 sd
->exposure
= EXPOSURE_DEF
;
559 sd
->autogain
= AUTOGAIN_DEF
;
561 sd
->expo12a
= EXPO12A_DEF
;
565 /* this function is called at probe and resume time */
566 static int sd_init_12a(struct gspca_dev
*gspca_dev
)
568 PDEBUG(D_STREAM
, "Chip revision: 012a");
569 init_161rev12A(gspca_dev
);
572 static int sd_init_72a(struct gspca_dev
*gspca_dev
)
574 PDEBUG(D_STREAM
, "Chip revision: 072a");
575 write_vector(gspca_dev
, rev72a_init_data1
);
576 write_sensor_72a(gspca_dev
, rev72a_init_sensor1
);
577 write_vector(gspca_dev
, rev72a_init_data2
);
578 write_sensor_72a(gspca_dev
, rev72a_init_sensor2
);
579 write_vector(gspca_dev
, rev72a_init_data3
);
584 static void setbrightness(struct gspca_dev
*gspca_dev
)
586 struct sd
*sd
= (struct sd
*) gspca_dev
;
587 struct usb_device
*dev
= gspca_dev
->dev
;
590 value
= sd
->brightness
;
592 /* offsets for white balance */
593 reg_w_val(dev
, 0x8611, value
); /* R */
594 reg_w_val(dev
, 0x8612, value
); /* Gr */
595 reg_w_val(dev
, 0x8613, value
); /* B */
596 reg_w_val(dev
, 0x8614, value
); /* Gb */
599 static void setwhite(struct gspca_dev
*gspca_dev
)
601 struct sd
*sd
= (struct sd
*) gspca_dev
;
606 /* try to emulate MS-win as possible */
608 red
= 0x20 + white
* 3 / 8;
609 blue
= 0x90 - white
* 5 / 8;
610 if (sd
->chip_revision
== Rev012A
) {
614 red
+= sd
->contrast
- 0x20;
615 blue
+= sd
->contrast
- 0x20;
617 reg_w_val(gspca_dev
->dev
, reg
, red
);
618 reg_w_val(gspca_dev
->dev
, reg
+ 2, blue
);
621 static void setcontrast(struct gspca_dev
*gspca_dev
)
623 struct sd
*sd
= (struct sd
*) gspca_dev
;
624 struct usb_device
*dev
= gspca_dev
->dev
;
627 if (sd
->chip_revision
!= Rev072A
)
629 value
= sd
->contrast
+ 0x20;
631 /* gains for white balance */
633 /* reg_w_val(dev, 0x8651, value); * R - done by setwhite */
634 reg_w_val(dev
, 0x8652, value
); /* Gr */
635 /* reg_w_val(dev, 0x8653, value); * B - done by setwhite */
636 reg_w_val(dev
, 0x8654, value
); /* Gb */
640 static void setexposure(struct gspca_dev
*gspca_dev
)
642 struct sd
*sd
= (struct sd
*) gspca_dev
;
646 /* Register 0x8309 controls exposure for the spca561,
647 the basic exposure setting goes from 1-2047, where 1 is completely
648 dark and 2047 is very bright. It not only influences exposure but
649 also the framerate (to allow for longer exposure) from 1 - 300 it
650 only raises the exposure time then from 300 - 600 it halves the
651 framerate to be able to further raise the exposure time and for every
652 300 more it halves the framerate again. This allows for a maximum
653 exposure time of circa 0.2 - 0.25 seconds (30 / (2000/3000) fps).
654 Sometimes this is not enough, the 1-2047 uses bits 0-10, bits 11-12
655 configure a divider for the base framerate which us used at the
656 exposure setting of 1-300. These bits configure the base framerate
657 according to the following formula: fps = 60 / (value + 2) */
658 if (sd
->exposure
< 2048) {
662 /* Add 900 to make the 0 setting of the second part of the
663 exposure equal to the 2047 setting of the first part. */
664 expo
= (sd
->exposure
- 2048) + 900;
667 expo
|= clock_divider
<< 11;
668 gspca_dev
->usb_buf
[0] = expo
;
669 gspca_dev
->usb_buf
[1] = expo
>> 8;
670 reg_w_buf(gspca_dev
, 0x8309, 2);
674 static void setgain(struct gspca_dev
*gspca_dev
)
676 struct sd
*sd
= (struct sd
*) gspca_dev
;
678 gspca_dev
->usb_buf
[0] = sd
->gain
;
679 gspca_dev
->usb_buf
[1] = 0;
680 reg_w_buf(gspca_dev
, 0x8335, 2);
683 static void setautogain(struct gspca_dev
*gspca_dev
)
685 struct sd
*sd
= (struct sd
*) gspca_dev
;
688 sd
->ag_cnt
= AG_CNT_START
;
693 static int sd_start_12a(struct gspca_dev
*gspca_dev
)
695 struct usb_device
*dev
= gspca_dev
->dev
;
697 static const __u8 Reg8391
[8] =
698 {0x92, 0x30, 0x20, 0x00, 0x0c, 0x00, 0x00, 0x00};
700 mode
= gspca_dev
->cam
.cam_mode
[(int) gspca_dev
->curr_mode
].priv
;
702 /* Use compression on 320x240 and above */
703 reg_w_val(dev
, 0x8500, 0x10 | mode
);
705 /* I couldn't get the compression to work below 320x240
706 * Fortunately at these resolutions the bandwidth
707 * is sufficient to push raw frames at ~20fps */
708 reg_w_val(dev
, 0x8500, mode
);
709 } /* -- qq@kuku.eu.org */
711 gspca_dev
->usb_buf
[0] = 0xaa;
712 gspca_dev
->usb_buf
[1] = 0x00;
713 reg_w_buf(gspca_dev
, 0x8307, 2);
714 /* clock - lower 0x8X values lead to fps > 30 */
715 reg_w_val(gspca_dev
->dev
, 0x8700, 0x8a);
716 /* 0x8f 0x85 0x27 clock */
717 reg_w_val(gspca_dev
->dev
, 0x8112, 0x1e | 0x20);
718 reg_w_val(gspca_dev
->dev
, 0x850b, 0x03);
719 memcpy(gspca_dev
->usb_buf
, Reg8391
, 8);
720 reg_w_buf(gspca_dev
, 0x8391, 8);
721 reg_w_buf(gspca_dev
, 0x8390, 8);
723 setautogain(gspca_dev
);
724 /* setgain(gspca_dev); */
725 setexposure(gspca_dev
);
728 static int sd_start_72a(struct gspca_dev
*gspca_dev
)
730 struct usb_device
*dev
= gspca_dev
->dev
;
734 mode
= gspca_dev
->cam
.cam_mode
[(int) gspca_dev
->curr_mode
].priv
;
748 reg_w_val(dev
, 0x8500, mode
); /* mode */
749 reg_w_val(dev
, 0x8700, Clck
); /* 0x27 clock */
750 reg_w_val(dev
, 0x8112, 0x10 | 0x20);
751 setcontrast(gspca_dev
);
752 /* setbrightness(gspca_dev); * fixme: bad values */
754 setautogain(gspca_dev
);
758 static void sd_stopN(struct gspca_dev
*gspca_dev
)
760 struct sd
*sd
= (struct sd
*) gspca_dev
;
762 if (sd
->chip_revision
== Rev012A
) {
763 reg_w_val(gspca_dev
->dev
, 0x8112, 0x0e);
765 reg_w_val(gspca_dev
->dev
, 0x8112, 0x20);
766 /* reg_w_val(gspca_dev->dev, 0x8102, 0x00); ?? */
770 /* called on streamoff with alt 0 and on disconnect */
771 static void sd_stop0(struct gspca_dev
*gspca_dev
)
773 struct sd
*sd
= (struct sd
*) gspca_dev
;
775 if (!gspca_dev
->present
)
777 if (sd
->chip_revision
== Rev012A
) {
778 reg_w_val(gspca_dev
->dev
, 0x8118, 0x29);
779 reg_w_val(gspca_dev
->dev
, 0x8114, 0x08);
781 /* reg_w_val(gspca_dev->dev, 0x8114, 0); */
784 static void do_autogain(struct gspca_dev
*gspca_dev
)
786 struct sd
*sd
= (struct sd
*) gspca_dev
;
792 __u8 luma_mean
= 110;
793 __u8 luma_delta
= 20;
798 if (--sd
->ag_cnt
>= 0)
800 sd
->ag_cnt
= AG_CNT_START
;
802 switch (sd
->chip_revision
) {
804 reg_r(gspca_dev
, 0x8621, 1);
805 Gr
= gspca_dev
->usb_buf
[0];
806 reg_r(gspca_dev
, 0x8622, 1);
807 R
= gspca_dev
->usb_buf
[0];
808 reg_r(gspca_dev
, 0x8623, 1);
809 B
= gspca_dev
->usb_buf
[0];
810 reg_r(gspca_dev
, 0x8624, 1);
811 Gb
= gspca_dev
->usb_buf
[0];
812 y
= (77 * R
+ 75 * (Gr
+ Gb
) + 29 * B
) >> 8;
813 /* u= (128*B-(43*(Gr+Gb+R))) >> 8; */
814 /* v= (128*R-(53*(Gr+Gb))-21*B) >> 8; */
815 /* PDEBUG(D_CONF,"reading Y %d U %d V %d ",y,u,v); */
817 if (y
< luma_mean
- luma_delta
||
818 y
> luma_mean
+ luma_delta
) {
819 expotimes
= i2c_read(gspca_dev
, 0x09, 0x10);
821 expotimes
= expotimes
& 0x07ff;
823 "Exposition Times 0x%03X Clock 0x%04X ",
824 expotimes,pixelclk); */
825 gainG
= i2c_read(gspca_dev
, 0x35, 0x10);
827 "reading Gain register %d", gainG); */
829 expotimes
+= (luma_mean
- y
) >> spring
;
830 gainG
+= (luma_mean
- y
) / 50;
832 "compute expotimes %d gain %d",
839 i2c_write(gspca_dev
, gainG
, 0x35);
841 if (expotimes
> 0x0256)
843 else if (expotimes
< 3)
845 i2c_write(gspca_dev
, expotimes
| pixelclk
, 0x09);
849 reg_r(gspca_dev
, 0x8330, 2);
850 if (gspca_dev
->usb_buf
[1] > 0x08) {
851 gspca_dev
->usb_buf
[0] = ++sd
->expo12a
;
852 gspca_dev
->usb_buf
[1] = 0;
853 reg_w_buf(gspca_dev
, 0x8339, 2);
854 } else if (gspca_dev
->usb_buf
[1] < 0x02) {
855 gspca_dev
->usb_buf
[0] = --sd
->expo12a
;
856 gspca_dev
->usb_buf
[1] = 0;
857 reg_w_buf(gspca_dev
, 0x8339, 2);
863 static void sd_pkt_scan(struct gspca_dev
*gspca_dev
,
864 struct gspca_frame
*frame
, /* target */
865 __u8
*data
, /* isoc packet */
866 int len
) /* iso packet length */
868 struct sd
*sd
= (struct sd
*) gspca_dev
;
870 switch (data
[0]) { /* sequence number */
871 case 0: /* start of frame */
872 frame
= gspca_frame_add(gspca_dev
, LAST_PACKET
, frame
,
874 data
+= SPCA561_OFFSET_DATA
;
875 len
-= SPCA561_OFFSET_DATA
;
876 if (data
[1] & 0x10) {
877 /* compressed bayer */
878 gspca_frame_add(gspca_dev
, FIRST_PACKET
,
881 /* raw bayer (with a header, which we skip) */
882 if (sd
->chip_revision
== Rev012A
) {
889 gspca_frame_add(gspca_dev
, FIRST_PACKET
,
893 case 0xff: /* drop (empty mpackets) */
898 gspca_frame_add(gspca_dev
, INTER_PACKET
, frame
, data
, len
);
902 static int sd_setbrightness(struct gspca_dev
*gspca_dev
, __s32 val
)
904 struct sd
*sd
= (struct sd
*) gspca_dev
;
906 sd
->brightness
= val
;
907 if (gspca_dev
->streaming
)
908 setbrightness(gspca_dev
);
912 static int sd_getbrightness(struct gspca_dev
*gspca_dev
, __s32
*val
)
914 struct sd
*sd
= (struct sd
*) gspca_dev
;
916 *val
= sd
->brightness
;
921 static int sd_setcontrast(struct gspca_dev
*gspca_dev
, __s32 val
)
923 struct sd
*sd
= (struct sd
*) gspca_dev
;
926 if (gspca_dev
->streaming
)
927 setcontrast(gspca_dev
);
931 static int sd_getcontrast(struct gspca_dev
*gspca_dev
, __s32
*val
)
933 struct sd
*sd
= (struct sd
*) gspca_dev
;
939 static int sd_setautogain(struct gspca_dev
*gspca_dev
, __s32 val
)
941 struct sd
*sd
= (struct sd
*) gspca_dev
;
944 if (gspca_dev
->streaming
)
945 setautogain(gspca_dev
);
949 static int sd_getautogain(struct gspca_dev
*gspca_dev
, __s32
*val
)
951 struct sd
*sd
= (struct sd
*) gspca_dev
;
957 static int sd_setwhite(struct gspca_dev
*gspca_dev
, __s32 val
)
959 struct sd
*sd
= (struct sd
*) gspca_dev
;
962 if (gspca_dev
->streaming
)
967 static int sd_getwhite(struct gspca_dev
*gspca_dev
, __s32
*val
)
969 struct sd
*sd
= (struct sd
*) gspca_dev
;
976 static int sd_setexposure(struct gspca_dev
*gspca_dev
, __s32 val
)
978 struct sd
*sd
= (struct sd
*) gspca_dev
;
981 if (gspca_dev
->streaming
)
982 setexposure(gspca_dev
);
986 static int sd_getexposure(struct gspca_dev
*gspca_dev
, __s32
*val
)
988 struct sd
*sd
= (struct sd
*) gspca_dev
;
995 static int sd_setgain(struct gspca_dev
*gspca_dev
, __s32 val
)
997 struct sd
*sd
= (struct sd
*) gspca_dev
;
1000 if (gspca_dev
->streaming
)
1005 static int sd_getgain(struct gspca_dev
*gspca_dev
, __s32
*val
)
1007 struct sd
*sd
= (struct sd
*) gspca_dev
;
1013 /* control tables */
1014 static struct ctrl sd_ctrls_12a
[] = {
1017 .id
= V4L2_CID_DO_WHITE_BALANCE
,
1018 .type
= V4L2_CTRL_TYPE_INTEGER
,
1019 .name
= "White Balance",
1020 .minimum
= WHITE_MIN
,
1021 .maximum
= WHITE_MAX
,
1023 .default_value
= WHITE_DEF
,
1030 .id
= V4L2_CID_EXPOSURE
,
1031 .type
= V4L2_CTRL_TYPE_INTEGER
,
1033 .minimum
= EXPOSURE_MIN
,
1034 .maximum
= EXPOSURE_MAX
,
1036 .default_value
= EXPOSURE_DEF
,
1038 .set
= sd_setexposure
,
1039 .get
= sd_getexposure
,
1043 .id
= V4L2_CID_AUTOGAIN
,
1044 .type
= V4L2_CTRL_TYPE_BOOLEAN
,
1045 .name
= "Auto Gain",
1046 .minimum
= AUTOGAIN_MIN
,
1047 .maximum
= AUTOGAIN_MAX
,
1049 .default_value
= AUTOGAIN_DEF
,
1051 .set
= sd_setautogain
,
1052 .get
= sd_getautogain
,
1056 .id
= V4L2_CID_GAIN
,
1057 .type
= V4L2_CTRL_TYPE_INTEGER
,
1059 .minimum
= GAIN_MIN
,
1060 .maximum
= GAIN_MAX
,
1062 .default_value
= GAIN_DEF
,
1069 static struct ctrl sd_ctrls_72a
[] = {
1072 .id
= V4L2_CID_DO_WHITE_BALANCE
,
1073 .type
= V4L2_CTRL_TYPE_INTEGER
,
1074 .name
= "White Balance",
1075 .minimum
= WHITE_MIN
,
1076 .maximum
= WHITE_MAX
,
1078 .default_value
= WHITE_DEF
,
1085 .id
= V4L2_CID_BRIGHTNESS
,
1086 .type
= V4L2_CTRL_TYPE_INTEGER
,
1087 .name
= "Brightness",
1088 .minimum
= BRIGHTNESS_MIN
,
1089 .maximum
= BRIGHTNESS_MAX
,
1091 .default_value
= BRIGHTNESS_DEF
,
1093 .set
= sd_setbrightness
,
1094 .get
= sd_getbrightness
,
1098 .id
= V4L2_CID_CONTRAST
,
1099 .type
= V4L2_CTRL_TYPE_INTEGER
,
1101 .minimum
= CONTRAST_MIN
,
1102 .maximum
= CONTRAST_MAX
,
1104 .default_value
= CONTRAST_DEF
,
1106 .set
= sd_setcontrast
,
1107 .get
= sd_getcontrast
,
1111 .id
= V4L2_CID_AUTOGAIN
,
1112 .type
= V4L2_CTRL_TYPE_BOOLEAN
,
1113 .name
= "Auto Gain",
1114 .minimum
= AUTOGAIN_MIN
,
1115 .maximum
= AUTOGAIN_MAX
,
1117 .default_value
= AUTOGAIN_DEF
,
1119 .set
= sd_setautogain
,
1120 .get
= sd_getautogain
,
1124 /* sub-driver description */
1125 static const struct sd_desc sd_desc_12a
= {
1126 .name
= MODULE_NAME
,
1127 .ctrls
= sd_ctrls_12a
,
1128 .nctrls
= ARRAY_SIZE(sd_ctrls_12a
),
1129 .config
= sd_config
,
1130 .init
= sd_init_12a
,
1131 .start
= sd_start_12a
,
1134 .pkt_scan
= sd_pkt_scan
,
1135 /* .dq_callback = do_autogain, * fixme */
1137 static const struct sd_desc sd_desc_72a
= {
1138 .name
= MODULE_NAME
,
1139 .ctrls
= sd_ctrls_72a
,
1140 .nctrls
= ARRAY_SIZE(sd_ctrls_72a
),
1141 .config
= sd_config
,
1142 .init
= sd_init_72a
,
1143 .start
= sd_start_72a
,
1146 .pkt_scan
= sd_pkt_scan
,
1147 .dq_callback
= do_autogain
,
1149 static const struct sd_desc
*sd_desc
[2] = {
1154 /* -- module initialisation -- */
1155 static const __devinitdata
struct usb_device_id device_table
[] = {
1156 {USB_DEVICE(0x041e, 0x401a), .driver_info
= Rev072A
},
1157 {USB_DEVICE(0x041e, 0x403b), .driver_info
= Rev012A
},
1158 {USB_DEVICE(0x0458, 0x7004), .driver_info
= Rev072A
},
1159 {USB_DEVICE(0x046d, 0x0928), .driver_info
= Rev012A
},
1160 {USB_DEVICE(0x046d, 0x0929), .driver_info
= Rev012A
},
1161 {USB_DEVICE(0x046d, 0x092a), .driver_info
= Rev012A
},
1162 {USB_DEVICE(0x046d, 0x092b), .driver_info
= Rev012A
},
1163 {USB_DEVICE(0x046d, 0x092c), .driver_info
= Rev012A
},
1164 {USB_DEVICE(0x046d, 0x092d), .driver_info
= Rev012A
},
1165 {USB_DEVICE(0x046d, 0x092e), .driver_info
= Rev012A
},
1166 {USB_DEVICE(0x046d, 0x092f), .driver_info
= Rev012A
},
1167 {USB_DEVICE(0x04fc, 0x0561), .driver_info
= Rev072A
},
1168 {USB_DEVICE(0x060b, 0xa001), .driver_info
= Rev072A
},
1169 {USB_DEVICE(0x10fd, 0x7e50), .driver_info
= Rev072A
},
1170 {USB_DEVICE(0xabcd, 0xcdee), .driver_info
= Rev072A
},
1174 MODULE_DEVICE_TABLE(usb
, device_table
);
1176 /* -- device connect -- */
1177 static int sd_probe(struct usb_interface
*intf
,
1178 const struct usb_device_id
*id
)
1180 return gspca_dev_probe(intf
, id
,
1181 sd_desc
[id
->driver_info
],
1186 static struct usb_driver sd_driver
= {
1187 .name
= MODULE_NAME
,
1188 .id_table
= device_table
,
1190 .disconnect
= gspca_disconnect
,
1192 .suspend
= gspca_suspend
,
1193 .resume
= gspca_resume
,
1197 /* -- module insert / remove -- */
1198 static int __init
sd_mod_init(void)
1200 if (usb_register(&sd_driver
) < 0)
1202 PDEBUG(D_PROBE
, "registered");
1205 static void __exit
sd_mod_exit(void)
1207 usb_deregister(&sd_driver
);
1208 PDEBUG(D_PROBE
, "deregistered");
1211 module_init(sd_mod_init
);
1212 module_exit(sd_mod_exit
);