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authorJean-Francois Moine <moinejf@free.fr>2008-06-30 14:50:11 -0400
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-07-20 06:14:49 -0400
commit6a7eba24e4f0ff725d33159f6265e3a79d53a833 (patch)
tree3e50d669cb91affbcfad9333d74ddc452783094f /drivers/media/video/gspca/ov519.c
parentd43fa32fec442571f10f5d0c3b553413288728de (diff)
V4L/DVB (8157): gspca: all subdrivers
- remaning subdrivers added - remove the decoding helper and some specific frame decodings Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/gspca/ov519.c')
-rw-r--r--drivers/media/video/gspca/ov519.c2174
1 files changed, 2174 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/ov519.c b/drivers/media/video/gspca/ov519.c
new file mode 100644
index 000000000000..7d6237f18ba0
--- /dev/null
+++ b/drivers/media/video/gspca/ov519.c
@@ -0,0 +1,2174 @@
1/**
2 * OV519 driver
3 *
4 * Copyright (C) 2008 Jean-Francois Moine (http://moinejf.free.fr)
5 *
6 * (This module is adapted from the ov51x-jpeg package)
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#define MODULE_NAME "ov519"
24
25#include "gspca.h"
26
27#define DRIVER_VERSION_NUMBER KERNEL_VERSION(2, 1, 0)
28static const char version[] = "2.1.0";
29
30MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>");
31MODULE_DESCRIPTION("OV519 USB Camera Driver");
32MODULE_LICENSE("GPL");
33
34/* global parameters */
35static int frame_rate;
36
37/* Number of times to retry a failed I2C transaction. Increase this if you
38 * are getting "Failed to read sensor ID..." */
39static int i2c_detect_tries = 10;
40
41/* ov519 device descriptor */
42struct sd {
43 struct gspca_dev gspca_dev; /* !! must be the first item */
44
45 /* Determined by sensor type */
46 short maxwidth;
47 short maxheight;
48
49 unsigned char primary_i2c_slave; /* I2C write id of sensor */
50
51 unsigned char brightness;
52 unsigned char contrast;
53 unsigned char colors;
54
55 char compress; /* Should the next frame be compressed? */
56 char compress_inited; /* Are compression params uploaded? */
57 char stopped; /* Streaming is temporarily paused */
58
59 char frame_rate; /* current Framerate (OV519 only) */
60 char clockdiv; /* clockdiv override for OV519 only */
61
62 char sensor; /* Type of image sensor chip (SEN_*) */
63#define SEN_UNKNOWN 0
64#define SEN_OV6620 1
65#define SEN_OV6630 2
66#define SEN_OV7610 3
67#define SEN_OV7620 4
68#define SEN_OV7630 5
69#define SEN_OV7640 6
70#define SEN_OV7670 7
71#define SEN_OV76BE 8
72#define SEN_OV8610 9
73
74};
75
76/* V4L2 controls supported by the driver */
77static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
78static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
79static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
80static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);
81static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val);
82static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val);
83
84static struct ctrl sd_ctrls[] = {
85#define SD_BRIGHTNESS 0
86 {
87 {
88 .id = V4L2_CID_BRIGHTNESS,
89 .type = V4L2_CTRL_TYPE_INTEGER,
90 .name = "Brightness",
91 .minimum = 0,
92 .maximum = 255,
93 .step = 1,
94 .default_value = 127,
95 },
96 .set = sd_setbrightness,
97 .get = sd_getbrightness,
98 },
99#define SD_CONTRAST 1
100 {
101 {
102 .id = V4L2_CID_CONTRAST,
103 .type = V4L2_CTRL_TYPE_INTEGER,
104 .name = "Contrast",
105 .minimum = 0,
106 .maximum = 255,
107 .step = 1,
108 .default_value = 127,
109 },
110 .set = sd_setcontrast,
111 .get = sd_getcontrast,
112 },
113#define SD_COLOR 2
114 {
115 {
116 .id = V4L2_CID_SATURATION,
117 .type = V4L2_CTRL_TYPE_INTEGER,
118 .name = "Saturation",
119 .minimum = 0,
120 .maximum = 255,
121 .step = 1,
122 .default_value = 127,
123 },
124 .set = sd_setcolors,
125 .get = sd_getcolors,
126 },
127};
128
129static struct cam_mode vga_mode[] = {
130 {V4L2_PIX_FMT_JPEG, 320, 240},
131 {V4L2_PIX_FMT_JPEG, 640, 480},
132};
133static struct cam_mode sif_mode[] = {
134 {V4L2_PIX_FMT_JPEG, 176, 144},
135 {V4L2_PIX_FMT_JPEG, 352, 288},
136};
137
138/* OV519 Camera interface register numbers */
139#define OV519_CAM_H_SIZE 0x10
140#define OV519_CAM_V_SIZE 0x11
141#define OV519_CAM_X_OFFSETL 0x12
142#define OV519_CAM_X_OFFSETH 0x13
143#define OV519_CAM_Y_OFFSETL 0x14
144#define OV519_CAM_Y_OFFSETH 0x15
145#define OV519_CAM_DIVIDER 0x16
146#define OV519_CAM_DFR 0x20
147#define OV519_CAM_FORMAT 0x25
148
149/* OV519 System Controller register numbers */
150#define OV519_SYS_RESET1 0x51
151#define OV519_SYS_EN_CLK1 0x54
152
153#define OV519_GPIO_DATA_OUT0 0x71
154#define OV519_GPIO_IO_CTRL0 0x72
155
156#define OV511_ENDPOINT_ADDRESS 1 /* Isoc endpoint number */
157
158/* I2C registers */
159#define R51x_I2C_W_SID 0x41
160#define R51x_I2C_SADDR_3 0x42
161#define R51x_I2C_SADDR_2 0x43
162#define R51x_I2C_R_SID 0x44
163#define R51x_I2C_DATA 0x45
164#define R518_I2C_CTL 0x47 /* OV518(+) only */
165
166/* I2C ADDRESSES */
167#define OV7xx0_SID 0x42
168#define OV8xx0_SID 0xa0
169#define OV6xx0_SID 0xc0
170
171/* OV7610 registers */
172#define OV7610_REG_GAIN 0x00 /* gain setting (5:0) */
173#define OV7610_REG_SAT 0x03 /* saturation */
174#define OV8610_REG_HUE 0x04 /* 04 reserved */
175#define OV7610_REG_CNT 0x05 /* Y contrast */
176#define OV7610_REG_BRT 0x06 /* Y brightness */
177#define OV7610_REG_COM_C 0x14 /* misc common regs */
178#define OV7610_REG_ID_HIGH 0x1c /* manufacturer ID MSB */
179#define OV7610_REG_ID_LOW 0x1d /* manufacturer ID LSB */
180#define OV7610_REG_COM_I 0x29 /* misc settings */
181
182/* OV7670 registers */
183#define OV7670_REG_GAIN 0x00 /* Gain lower 8 bits (rest in vref) */
184#define OV7670_REG_BLUE 0x01 /* blue gain */
185#define OV7670_REG_RED 0x02 /* red gain */
186#define OV7670_REG_VREF 0x03 /* Pieces of GAIN, VSTART, VSTOP */
187#define OV7670_REG_COM1 0x04 /* Control 1 */
188#define OV7670_REG_AECHH 0x07 /* AEC MS 5 bits */
189#define OV7670_REG_COM3 0x0c /* Control 3 */
190#define OV7670_REG_COM4 0x0d /* Control 4 */
191#define OV7670_REG_COM5 0x0e /* All "reserved" */
192#define OV7670_REG_COM6 0x0f /* Control 6 */
193#define OV7670_REG_AECH 0x10 /* More bits of AEC value */
194#define OV7670_REG_CLKRC 0x11 /* Clock control */
195#define OV7670_REG_COM7 0x12 /* Control 7 */
196#define OV7670_COM7_FMT_VGA 0x00
197#define OV7670_COM7_YUV 0x00 /* YUV */
198#define OV7670_COM7_FMT_QVGA 0x10 /* QVGA format */
199#define OV7670_COM7_FMT_MASK 0x38
200#define OV7670_COM7_RESET 0x80 /* Register reset */
201#define OV7670_REG_COM8 0x13 /* Control 8 */
202#define OV7670_COM8_AEC 0x01 /* Auto exposure enable */
203#define OV7670_COM8_AWB 0x02 /* White balance enable */
204#define OV7670_COM8_AGC 0x04 /* Auto gain enable */
205#define OV7670_COM8_BFILT 0x20 /* Band filter enable */
206#define OV7670_COM8_AECSTEP 0x40 /* Unlimited AEC step size */
207#define OV7670_COM8_FASTAEC 0x80 /* Enable fast AGC/AEC */
208#define OV7670_REG_COM9 0x14 /* Control 9 - gain ceiling */
209#define OV7670_REG_COM10 0x15 /* Control 10 */
210#define OV7670_REG_HSTART 0x17 /* Horiz start high bits */
211#define OV7670_REG_HSTOP 0x18 /* Horiz stop high bits */
212#define OV7670_REG_VSTART 0x19 /* Vert start high bits */
213#define OV7670_REG_VSTOP 0x1a /* Vert stop high bits */
214#define OV7670_REG_MVFP 0x1e /* Mirror / vflip */
215#define OV7670_MVFP_MIRROR 0x20 /* Mirror image */
216#define OV7670_REG_AEW 0x24 /* AGC upper limit */
217#define OV7670_REG_AEB 0x25 /* AGC lower limit */
218#define OV7670_REG_VPT 0x26 /* AGC/AEC fast mode op region */
219#define OV7670_REG_HREF 0x32 /* HREF pieces */
220#define OV7670_REG_TSLB 0x3a /* lots of stuff */
221#define OV7670_REG_COM11 0x3b /* Control 11 */
222#define OV7670_COM11_EXP 0x02
223#define OV7670_COM11_HZAUTO 0x10 /* Auto detect 50/60 Hz */
224#define OV7670_REG_COM12 0x3c /* Control 12 */
225#define OV7670_REG_COM13 0x3d /* Control 13 */
226#define OV7670_COM13_GAMMA 0x80 /* Gamma enable */
227#define OV7670_COM13_UVSAT 0x40 /* UV saturation auto adjustment */
228#define OV7670_REG_COM14 0x3e /* Control 14 */
229#define OV7670_REG_EDGE 0x3f /* Edge enhancement factor */
230#define OV7670_REG_COM15 0x40 /* Control 15 */
231#define OV7670_COM15_R00FF 0xc0 /* 00 to FF */
232#define OV7670_REG_COM16 0x41 /* Control 16 */
233#define OV7670_COM16_AWBGAIN 0x08 /* AWB gain enable */
234#define OV7670_REG_BRIGHT 0x55 /* Brightness */
235#define OV7670_REG_CONTRAS 0x56 /* Contrast control */
236#define OV7670_REG_GFIX 0x69 /* Fix gain control */
237#define OV7670_REG_RGB444 0x8c /* RGB 444 control */
238#define OV7670_REG_HAECC1 0x9f /* Hist AEC/AGC control 1 */
239#define OV7670_REG_HAECC2 0xa0 /* Hist AEC/AGC control 2 */
240#define OV7670_REG_BD50MAX 0xa5 /* 50hz banding step limit */
241#define OV7670_REG_HAECC3 0xa6 /* Hist AEC/AGC control 3 */
242#define OV7670_REG_HAECC4 0xa7 /* Hist AEC/AGC control 4 */
243#define OV7670_REG_HAECC5 0xa8 /* Hist AEC/AGC control 5 */
244#define OV7670_REG_HAECC6 0xa9 /* Hist AEC/AGC control 6 */
245#define OV7670_REG_HAECC7 0xaa /* Hist AEC/AGC control 7 */
246#define OV7670_REG_BD60MAX 0xab /* 60hz banding step limit */
247
248struct ovsensor_window {
249 short x;
250 short y;
251 short width;
252 short height;
253/* int format; */
254 short quarter; /* Scale width and height down 2x */
255 short clockdiv; /* Clock divisor setting */
256};
257
258static unsigned char ov7670_abs_to_sm(unsigned char v)
259{
260 if (v > 127)
261 return v & 0x7f;
262 return (128 - v) | 0x80;
263}
264
265/* Write a OV519 register */
266static int reg_w(struct sd *sd, __u16 index, __u8 value)
267{
268 int ret;
269 __u8 buf[4];
270
271 buf[0] = value;
272 ret = usb_control_msg(sd->gspca_dev.dev,
273 usb_sndctrlpipe(sd->gspca_dev.dev, 0),
274 1, /* REQ_IO (ov518/519) */
275 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
276 0, index,
277 &buf[0], 1, 500);
278 if (ret < 0)
279 PDEBUG(D_ERR, "Write reg [%02x] %02x failed", index, value);
280 return ret;
281}
282
283/* Read from a OV519 register */
284/* returns: negative is error, pos or zero is data */
285static int reg_r(struct sd *sd, __u16 index)
286{
287 int ret;
288 __u8 buf[4];
289
290 ret = usb_control_msg(sd->gspca_dev.dev,
291 usb_rcvctrlpipe(sd->gspca_dev.dev, 0),
292 1, /* REQ_IO */
293 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
294 0, index, &buf[0], 1, 500);
295
296 if (ret >= 0)
297 ret = buf[0];
298 else
299 PDEBUG(D_ERR, "Read reg [0x%02x] failed", index);
300 return ret;
301}
302
303/* Read 8 values from a OV519 register */
304static int reg_r8(struct sd *sd,
305 __u16 index)
306{
307 int ret;
308 __u8 buf[8];
309
310 ret = usb_control_msg(sd->gspca_dev.dev,
311 usb_rcvctrlpipe(sd->gspca_dev.dev, 0),
312 1, /* REQ_IO */
313 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
314 0, index, &buf[0], 8, 500);
315
316 if (ret >= 0)
317 ret = buf[0];
318 else
319 PDEBUG(D_ERR, "Read reg 8 [0x%02x] failed", index);
320 return ret;
321}
322
323/*
324 * Writes bits at positions specified by mask to an OV51x reg. Bits that are in
325 * the same position as 1's in "mask" are cleared and set to "value". Bits
326 * that are in the same position as 0's in "mask" are preserved, regardless
327 * of their respective state in "value".
328 */
329static int reg_w_mask(struct sd *sd,
330 __u16 index,
331 __u8 value,
332 __u8 mask)
333{
334 int ret;
335 __u8 oldval;
336
337 if (mask != 0xff) {
338 value &= mask; /* Enforce mask on value */
339 ret = reg_r(sd, index);
340 if (ret < 0)
341 return ret;
342
343 oldval = ret & ~mask; /* Clear the masked bits */
344 value |= oldval; /* Set the desired bits */
345 }
346 return reg_w(sd, index, value);
347}
348
349/*
350 * The OV518 I2C I/O procedure is different, hence, this function.
351 * This is normally only called from i2c_w(). Note that this function
352 * always succeeds regardless of whether the sensor is present and working.
353 */
354static int i2c_w(struct sd *sd,
355 __u8 reg,
356 __u8 value)
357{
358 int rc;
359
360 PDEBUG(D_USBO, "i2c 0x%02x -> [0x%02x]", value, reg);
361
362 /* Select camera register */
363 rc = reg_w(sd, R51x_I2C_SADDR_3, reg);
364 if (rc < 0)
365 return rc;
366
367 /* Write "value" to I2C data port of OV511 */
368 rc = reg_w(sd, R51x_I2C_DATA, value);
369 if (rc < 0)
370 return rc;
371
372 /* Initiate 3-byte write cycle */
373 rc = reg_w(sd, R518_I2C_CTL, 0x01);
374
375 /* wait for write complete */
376 msleep(4);
377 if (rc < 0)
378 return rc;
379 return reg_r8(sd, R518_I2C_CTL);
380}
381
382/*
383 * returns: negative is error, pos or zero is data
384 *
385 * The OV518 I2C I/O procedure is different, hence, this function.
386 * This is normally only called from i2c_r(). Note that this function
387 * always succeeds regardless of whether the sensor is present and working.
388 */
389static int i2c_r(struct sd *sd, __u8 reg)
390{
391 int rc, value;
392
393 /* Select camera register */
394 rc = reg_w(sd, R51x_I2C_SADDR_2, reg);
395 if (rc < 0)
396 return rc;
397
398 /* Initiate 2-byte write cycle */
399 rc = reg_w(sd, R518_I2C_CTL, 0x03);
400 if (rc < 0)
401 return rc;
402
403 /* Initiate 2-byte read cycle */
404 rc = reg_w(sd, R518_I2C_CTL, 0x05);
405 if (rc < 0)
406 return rc;
407 value = reg_r(sd, R51x_I2C_DATA);
408 PDEBUG(D_USBI, "i2c [0x%02X] -> 0x%02X", reg, value);
409 return value;
410}
411
412/* Writes bits at positions specified by mask to an I2C reg. Bits that are in
413 * the same position as 1's in "mask" are cleared and set to "value". Bits
414 * that are in the same position as 0's in "mask" are preserved, regardless
415 * of their respective state in "value".
416 */
417static int i2c_w_mask(struct sd *sd,
418 __u8 reg,
419 __u8 value,
420 __u8 mask)
421{
422 int rc;
423 __u8 oldval;
424
425 value &= mask; /* Enforce mask on value */
426 rc = i2c_r(sd, reg);
427 if (rc < 0)
428 return rc;
429 oldval = rc & ~mask; /* Clear the masked bits */
430 value |= oldval; /* Set the desired bits */
431 return i2c_w(sd, reg, value);
432}
433
434/* Temporarily stops OV511 from functioning. Must do this before changing
435 * registers while the camera is streaming */
436static inline int ov51x_stop(struct sd *sd)
437{
438 PDEBUG(D_STREAM, "stopping");
439 sd->stopped = 1;
440 return reg_w(sd, OV519_SYS_RESET1, 0x0f);
441}
442
443/* Restarts OV511 after ov511_stop() is called. Has no effect if it is not
444 * actually stopped (for performance). */
445static inline int ov51x_restart(struct sd *sd)
446{
447 PDEBUG(D_STREAM, "restarting");
448 if (!sd->stopped)
449 return 0;
450 sd->stopped = 0;
451
452 /* Reinitialize the stream */
453 return reg_w(sd, OV519_SYS_RESET1, 0x00);
454}
455
456/* This does an initial reset of an OmniVision sensor and ensures that I2C
457 * is synchronized. Returns <0 on failure.
458 */
459static int init_ov_sensor(struct sd *sd)
460{
461 int i, success;
462
463 /* Reset the sensor */
464 if (i2c_w(sd, 0x12, 0x80) < 0)
465 return -EIO;
466
467 /* Wait for it to initialize */
468 msleep(150);
469
470 for (i = 0, success = 0; i < i2c_detect_tries && !success; i++) {
471 if (i2c_r(sd, OV7610_REG_ID_HIGH) == 0x7f &&
472 i2c_r(sd, OV7610_REG_ID_LOW) == 0xa2) {
473 success = 1;
474 continue;
475 }
476
477 /* Reset the sensor */
478 if (i2c_w(sd, 0x12, 0x80) < 0)
479 return -EIO;
480 /* Wait for it to initialize */
481 msleep(150);
482 /* Dummy read to sync I2C */
483 if (i2c_r(sd, 0x00) < 0)
484 return -EIO;
485 }
486 if (!success)
487 return -EIO;
488 PDEBUG(D_PROBE, "I2C synced in %d attempt(s)", i);
489 return 0;
490}
491
492/* Switch on standard JPEG compression. Returns 0 for success. */
493static int ov519_init_compression(struct sd *sd)
494{
495 if (!sd->compress_inited) {
496 if (reg_w_mask(sd, OV519_SYS_EN_CLK1, 1 << 2, 1 << 2) < 0) {
497 PDEBUG(D_ERR, "Error switching to compressed mode");
498 return -EIO;
499 }
500 sd->compress_inited = 1;
501 }
502 return 0;
503}
504
505/* Set the read and write slave IDs. The "slave" argument is the write slave,
506 * and the read slave will be set to (slave + 1).
507 * This should not be called from outside the i2c I/O functions.
508 * Sets I2C read and write slave IDs. Returns <0 for error
509 */
510static int ov51x_set_slave_ids(struct sd *sd,
511 __u8 slave)
512{
513 int rc;
514
515 rc = reg_w(sd, R51x_I2C_W_SID, slave);
516 if (rc < 0)
517 return rc;
518 return reg_w(sd, R51x_I2C_R_SID, slave + 1);
519}
520
521struct ov_regvals {
522 __u8 reg;
523 __u8 val;
524};
525struct ov_i2c_regvals {
526 __u8 reg;
527 __u8 val;
528};
529
530static int write_regvals(struct sd *sd,
531 struct ov_regvals *regvals,
532 int n)
533{
534 int rc;
535
536 while (--n >= 0) {
537 rc = reg_w(sd, regvals->reg, regvals->val);
538 if (rc < 0)
539 return rc;
540 regvals++;
541 }
542 return 0;
543}
544
545static int write_i2c_regvals(struct sd *sd,
546 struct ov_i2c_regvals *regvals,
547 int n)
548{
549 int rc;
550
551 while (--n >= 0) {
552 rc = i2c_w(sd, regvals->reg, regvals->val);
553 if (rc < 0)
554 return rc;
555 regvals++;
556 }
557 return 0;
558}
559
560/****************************************************************************
561 *
562 * OV511 and sensor configuration
563 *
564 ***************************************************************************/
565
566/* This initializes the OV8110, OV8610 sensor. The OV8110 uses
567 * the same register settings as the OV8610, since they are very similar.
568 */
569static int ov8xx0_configure(struct sd *sd)
570{
571 int rc;
572 static struct ov_i2c_regvals norm_8610[] = {
573 { 0x12, 0x80 },
574 { 0x00, 0x00 },
575 { 0x01, 0x80 },
576 { 0x02, 0x80 },
577 { 0x03, 0xc0 },
578 { 0x04, 0x30 },
579 { 0x05, 0x30 }, /* was 0x10, new from windrv 090403 */
580 { 0x06, 0x70 }, /* was 0x80, new from windrv 090403 */
581 { 0x0a, 0x86 },
582 { 0x0b, 0xb0 },
583 { 0x0c, 0x20 },
584 { 0x0d, 0x20 },
585 { 0x11, 0x01 },
586 { 0x12, 0x25 },
587 { 0x13, 0x01 },
588 { 0x14, 0x04 },
589 { 0x15, 0x01 }, /* Lin and Win think different about UV order */
590 { 0x16, 0x03 },
591 { 0x17, 0x38 }, /* was 0x2f, new from windrv 090403 */
592 { 0x18, 0xea }, /* was 0xcf, new from windrv 090403 */
593 { 0x19, 0x02 }, /* was 0x06, new from windrv 090403 */
594 { 0x1a, 0xf5 },
595 { 0x1b, 0x00 },
596 { 0x20, 0xd0 }, /* was 0x90, new from windrv 090403 */
597 { 0x23, 0xc0 }, /* was 0x00, new from windrv 090403 */
598 { 0x24, 0x30 }, /* was 0x1d, new from windrv 090403 */
599 { 0x25, 0x50 }, /* was 0x57, new from windrv 090403 */
600 { 0x26, 0xa2 },
601 { 0x27, 0xea },
602 { 0x28, 0x00 },
603 { 0x29, 0x00 },
604 { 0x2a, 0x80 },
605 { 0x2b, 0xc8 }, /* was 0xcc, new from windrv 090403 */
606 { 0x2c, 0xac },
607 { 0x2d, 0x45 }, /* was 0xd5, new from windrv 090403 */
608 { 0x2e, 0x80 },
609 { 0x2f, 0x14 }, /* was 0x01, new from windrv 090403 */
610 { 0x4c, 0x00 },
611 { 0x4d, 0x30 }, /* was 0x10, new from windrv 090403 */
612 { 0x60, 0x02 }, /* was 0x01, new from windrv 090403 */
613 { 0x61, 0x00 }, /* was 0x09, new from windrv 090403 */
614 { 0x62, 0x5f }, /* was 0xd7, new from windrv 090403 */
615 { 0x63, 0xff },
616 { 0x64, 0x53 }, /* new windrv 090403 says 0x57,
617 * maybe thats wrong */
618 { 0x65, 0x00 },
619 { 0x66, 0x55 },
620 { 0x67, 0xb0 },
621 { 0x68, 0xc0 }, /* was 0xaf, new from windrv 090403 */
622 { 0x69, 0x02 },
623 { 0x6a, 0x22 },
624 { 0x6b, 0x00 },
625 { 0x6c, 0x99 }, /* was 0x80, old windrv says 0x00, but
626 deleting bit7 colors the first images red */
627 { 0x6d, 0x11 }, /* was 0x00, new from windrv 090403 */
628 { 0x6e, 0x11 }, /* was 0x00, new from windrv 090403 */
629 { 0x6f, 0x01 },
630 { 0x70, 0x8b },
631 { 0x71, 0x00 },
632 { 0x72, 0x14 },
633 { 0x73, 0x54 },
634 { 0x74, 0x00 },/* 0x60? - was 0x00, new from windrv 090403 */
635 { 0x75, 0x0e },
636 { 0x76, 0x02 }, /* was 0x02, new from windrv 090403 */
637 { 0x77, 0xff },
638 { 0x78, 0x80 },
639 { 0x79, 0x80 },
640 { 0x7a, 0x80 },
641 { 0x7b, 0x10 }, /* was 0x13, new from windrv 090403 */
642 { 0x7c, 0x00 },
643 { 0x7d, 0x08 }, /* was 0x09, new from windrv 090403 */
644 { 0x7e, 0x08 }, /* was 0xc0, new from windrv 090403 */
645 { 0x7f, 0xfb },
646 { 0x80, 0x28 },
647 { 0x81, 0x00 },
648 { 0x82, 0x23 },
649 { 0x83, 0x0b },
650 { 0x84, 0x00 },
651 { 0x85, 0x62 }, /* was 0x61, new from windrv 090403 */
652 { 0x86, 0xc9 },
653 { 0x87, 0x00 },
654 { 0x88, 0x00 },
655 { 0x89, 0x01 },
656 { 0x12, 0x20 },
657 { 0x12, 0x25 }, /* was 0x24, new from windrv 090403 */
658 };
659
660 PDEBUG(D_PROBE, "starting ov8xx0 configuration");
661
662 if (init_ov_sensor(sd) < 0)
663 PDEBUG(D_ERR|D_PROBE, "Failed to read sensor ID");
664 else
665 PDEBUG(D_PROBE, "OV86x0 initialized");
666
667 /* Detect sensor (sub)type */
668 rc = i2c_r(sd, OV7610_REG_COM_I);
669 if (rc < 0) {
670 PDEBUG(D_ERR, "Error detecting sensor type");
671 return -1;
672 }
673 if ((rc & 3) == 1) {
674 PDEBUG(D_PROBE, "Sensor is an OV8610");
675 sd->sensor = SEN_OV8610;
676 } else {
677 PDEBUG(D_ERR, "Unknown image sensor version: %d", rc & 3);
678 return -1;
679 }
680 PDEBUG(D_PROBE, "Writing 8610 registers");
681 if (write_i2c_regvals(sd,
682 norm_8610,
683 sizeof norm_8610 / sizeof norm_8610[0]))
684 return -1;
685
686 /* Set sensor-specific vars */
687 sd->maxwidth = 640;
688 sd->maxheight = 480;
689 return 0;
690}
691
692/* This initializes the OV7610, OV7620, or OV76BE sensor. The OV76BE uses
693 * the same register settings as the OV7610, since they are very similar.
694 */
695static int ov7xx0_configure(struct sd *sd)
696{
697 int rc, high, low;
698
699 /* Lawrence Glaister <lg@jfm.bc.ca> reports:
700 *
701 * Register 0x0f in the 7610 has the following effects:
702 *
703 * 0x85 (AEC method 1): Best overall, good contrast range
704 * 0x45 (AEC method 2): Very overexposed
705 * 0xa5 (spec sheet default): Ok, but the black level is
706 * shifted resulting in loss of contrast
707 * 0x05 (old driver setting): very overexposed, too much
708 * contrast
709 */
710 static struct ov_i2c_regvals norm_7610[] = {
711 { 0x10, 0xff },
712 { 0x16, 0x06 },
713 { 0x28, 0x24 },
714 { 0x2b, 0xac },
715 { 0x12, 0x00 },
716 { 0x38, 0x81 },
717 { 0x28, 0x24 }, /* 0c */
718 { 0x0f, 0x85 }, /* lg's setting */
719 { 0x15, 0x01 },
720 { 0x20, 0x1c },
721 { 0x23, 0x2a },
722 { 0x24, 0x10 },
723 { 0x25, 0x8a },
724 { 0x26, 0xa2 },
725 { 0x27, 0xc2 },
726 { 0x2a, 0x04 },
727 { 0x2c, 0xfe },
728 { 0x2d, 0x93 },
729 { 0x30, 0x71 },
730 { 0x31, 0x60 },
731 { 0x32, 0x26 },
732 { 0x33, 0x20 },
733 { 0x34, 0x48 },
734 { 0x12, 0x24 },
735 { 0x11, 0x01 },
736 { 0x0c, 0x24 },
737 { 0x0d, 0x24 },
738 };
739
740 static struct ov_i2c_regvals norm_7620[] = {
741 { 0x00, 0x00 }, /* gain */
742 { 0x01, 0x80 }, /* blue gain */
743 { 0x02, 0x80 }, /* red gain */
744 { 0x03, 0xc0 }, /* OV7670_REG_VREF */
745 { 0x06, 0x60 },
746 { 0x07, 0x00 },
747 { 0x0c, 0x24 },
748 { 0x0c, 0x24 },
749 { 0x0d, 0x24 },
750 { 0x11, 0x01 },
751 { 0x12, 0x24 },
752 { 0x13, 0x01 },
753 { 0x14, 0x84 },
754 { 0x15, 0x01 },
755 { 0x16, 0x03 },
756 { 0x17, 0x2f },
757 { 0x18, 0xcf },
758 { 0x19, 0x06 },
759 { 0x1a, 0xf5 },
760 { 0x1b, 0x00 },
761 { 0x20, 0x18 },
762 { 0x21, 0x80 },
763 { 0x22, 0x80 },
764 { 0x23, 0x00 },
765 { 0x26, 0xa2 },
766 { 0x27, 0xea },
767 { 0x28, 0x20 },
768 { 0x29, 0x00 },
769 { 0x2a, 0x10 },
770 { 0x2b, 0x00 },
771 { 0x2c, 0x88 },
772 { 0x2d, 0x91 },
773 { 0x2e, 0x80 },
774 { 0x2f, 0x44 },
775 { 0x60, 0x27 },
776 { 0x61, 0x02 },
777 { 0x62, 0x5f },
778 { 0x63, 0xd5 },
779 { 0x64, 0x57 },
780 { 0x65, 0x83 },
781 { 0x66, 0x55 },
782 { 0x67, 0x92 },
783 { 0x68, 0xcf },
784 { 0x69, 0x76 },
785 { 0x6a, 0x22 },
786 { 0x6b, 0x00 },
787 { 0x6c, 0x02 },
788 { 0x6d, 0x44 },
789 { 0x6e, 0x80 },
790 { 0x6f, 0x1d },
791 { 0x70, 0x8b },
792 { 0x71, 0x00 },
793 { 0x72, 0x14 },
794 { 0x73, 0x54 },
795 { 0x74, 0x00 },
796 { 0x75, 0x8e },
797 { 0x76, 0x00 },
798 { 0x77, 0xff },
799 { 0x78, 0x80 },
800 { 0x79, 0x80 },
801 { 0x7a, 0x80 },
802 { 0x7b, 0xe2 },
803 { 0x7c, 0x00 },
804 };
805
806 /* 7640 and 7648. The defaults should be OK for most registers. */
807 static struct ov_i2c_regvals norm_7640[] = {
808 { 0x12, 0x80 },
809 { 0x12, 0x14 },
810 };
811
812 /* 7670. Defaults taken from OmniVision provided data,
813 * as provided by Jonathan Corbet of OLPC */
814 static struct ov_i2c_regvals norm_7670[] = {
815 { OV7670_REG_COM7, OV7670_COM7_RESET },
816 { OV7670_REG_TSLB, 0x04 }, /* OV */
817 { OV7670_REG_COM7, OV7670_COM7_FMT_VGA }, /* VGA */
818 { OV7670_REG_CLKRC, 0x1 },
819 /*
820 * Set the hardware window. These values from OV don't entirely
821 * make sense - hstop is less than hstart. But they work...
822 */
823 { OV7670_REG_HSTART, 0x13 }, { OV7670_REG_HSTOP, 0x01 },
824 { OV7670_REG_HREF, 0xb6 }, { OV7670_REG_VSTART, 0x02 },
825 { OV7670_REG_VSTOP, 0x7a }, { OV7670_REG_VREF, 0x0a },
826
827 { OV7670_REG_COM3, 0 }, { OV7670_REG_COM14, 0 },
828 /* Mystery scaling numbers */
829 { 0x70, 0x3a }, { 0x71, 0x35 },
830 { 0x72, 0x11 }, { 0x73, 0xf0 },
831 { 0xa2, 0x02 },
832/* jfm */
833/* { OV7670_REG_COM10, 0x0 }, */
834
835 /* Gamma curve values */
836 { 0x7a, 0x20 },
837/* jfm:win 7b=1c */
838 { 0x7b, 0x10 },
839/* jfm:win 7c=28 */
840 { 0x7c, 0x1e },
841/* jfm:win 7d=3c */
842 { 0x7d, 0x35 },
843 { 0x7e, 0x5a }, { 0x7f, 0x69 },
844 { 0x80, 0x76 }, { 0x81, 0x80 },
845 { 0x82, 0x88 }, { 0x83, 0x8f },
846 { 0x84, 0x96 }, { 0x85, 0xa3 },
847 { 0x86, 0xaf }, { 0x87, 0xc4 },
848 { 0x88, 0xd7 }, { 0x89, 0xe8 },
849
850 /* AGC and AEC parameters. Note we start by disabling those features,
851 then turn them only after tweaking the values. */
852 { OV7670_REG_COM8, OV7670_COM8_FASTAEC
853 | OV7670_COM8_AECSTEP
854 | OV7670_COM8_BFILT },
855 { OV7670_REG_GAIN, 0 }, { OV7670_REG_AECH, 0 },
856 { OV7670_REG_COM4, 0x40 }, /* magic reserved bit */
857/* jfm:win 14=38 */
858 { OV7670_REG_COM9, 0x18 }, /* 4x gain + magic rsvd bit */
859 { OV7670_REG_BD50MAX, 0x05 }, { OV7670_REG_BD60MAX, 0x07 },
860 { OV7670_REG_AEW, 0x95 }, { OV7670_REG_AEB, 0x33 },
861 { OV7670_REG_VPT, 0xe3 }, { OV7670_REG_HAECC1, 0x78 },
862 { OV7670_REG_HAECC2, 0x68 },
863/* jfm:win a1=0b */
864 { 0xa1, 0x03 }, /* magic */
865 { OV7670_REG_HAECC3, 0xd8 }, { OV7670_REG_HAECC4, 0xd8 },
866 { OV7670_REG_HAECC5, 0xf0 }, { OV7670_REG_HAECC6, 0x90 },
867 { OV7670_REG_HAECC7, 0x94 },
868 { OV7670_REG_COM8, OV7670_COM8_FASTAEC
869 | OV7670_COM8_AECSTEP
870 | OV7670_COM8_BFILT
871 | OV7670_COM8_AGC
872 | OV7670_COM8_AEC },
873
874 /* Almost all of these are magic "reserved" values. */
875 { OV7670_REG_COM5, 0x61 }, { OV7670_REG_COM6, 0x4b },
876 { 0x16, 0x02 },
877/* jfm */
878/* { OV7670_REG_MVFP, 0x07|OV7670_MVFP_MIRROR }, */
879 { OV7670_REG_MVFP, 0x07 },
880 { 0x21, 0x02 }, { 0x22, 0x91 },
881 { 0x29, 0x07 }, { 0x33, 0x0b },
882 { 0x35, 0x0b }, { 0x37, 0x1d },
883 { 0x38, 0x71 }, { 0x39, 0x2a },
884 { OV7670_REG_COM12, 0x78 }, { 0x4d, 0x40 },
885 { 0x4e, 0x20 }, { OV7670_REG_GFIX, 0 },
886 { 0x6b, 0x4a }, { 0x74, 0x10 },
887 { 0x8d, 0x4f }, { 0x8e, 0 },
888 { 0x8f, 0 }, { 0x90, 0 },
889 { 0x91, 0 }, { 0x96, 0 },
890 { 0x9a, 0 }, { 0xb0, 0x84 },
891 { 0xb1, 0x0c }, { 0xb2, 0x0e },
892 { 0xb3, 0x82 }, { 0xb8, 0x0a },
893
894 /* More reserved magic, some of which tweaks white balance */
895 { 0x43, 0x0a }, { 0x44, 0xf0 },
896 { 0x45, 0x34 }, { 0x46, 0x58 },
897 { 0x47, 0x28 }, { 0x48, 0x3a },
898 { 0x59, 0x88 }, { 0x5a, 0x88 },
899 { 0x5b, 0x44 }, { 0x5c, 0x67 },
900 { 0x5d, 0x49 }, { 0x5e, 0x0e },
901 { 0x6c, 0x0a }, { 0x6d, 0x55 },
902 { 0x6e, 0x11 }, { 0x6f, 0x9f },
903 /* "9e for advance AWB" */
904 { 0x6a, 0x40 }, { OV7670_REG_BLUE, 0x40 },
905 { OV7670_REG_RED, 0x60 },
906 { OV7670_REG_COM8, OV7670_COM8_FASTAEC
907 | OV7670_COM8_AECSTEP
908 | OV7670_COM8_BFILT
909 | OV7670_COM8_AGC
910 | OV7670_COM8_AEC
911 | OV7670_COM8_AWB },
912
913 /* Matrix coefficients */
914 { 0x4f, 0x80 }, { 0x50, 0x80 },
915 { 0x51, 0 }, { 0x52, 0x22 },
916 { 0x53, 0x5e }, { 0x54, 0x80 },
917 { 0x58, 0x9e },
918
919 { OV7670_REG_COM16, OV7670_COM16_AWBGAIN },
920 { OV7670_REG_EDGE, 0 },
921 { 0x75, 0x05 }, { 0x76, 0xe1 },
922 { 0x4c, 0 }, { 0x77, 0x01 },
923 { OV7670_REG_COM13, 0xc3 }, { 0x4b, 0x09 },
924 { 0xc9, 0x60 }, { OV7670_REG_COM16, 0x38 },
925 { 0x56, 0x40 },
926
927 { 0x34, 0x11 },
928 { OV7670_REG_COM11, OV7670_COM11_EXP|OV7670_COM11_HZAUTO },
929 { 0xa4, 0x88 }, { 0x96, 0 },
930 { 0x97, 0x30 }, { 0x98, 0x20 },
931 { 0x99, 0x30 }, { 0x9a, 0x84 },
932 { 0x9b, 0x29 }, { 0x9c, 0x03 },
933 { 0x9d, 0x4c }, { 0x9e, 0x3f },
934 { 0x78, 0x04 },
935
936 /* Extra-weird stuff. Some sort of multiplexor register */
937 { 0x79, 0x01 }, { 0xc8, 0xf0 },
938 { 0x79, 0x0f }, { 0xc8, 0x00 },
939 { 0x79, 0x10 }, { 0xc8, 0x7e },
940 { 0x79, 0x0a }, { 0xc8, 0x80 },
941 { 0x79, 0x0b }, { 0xc8, 0x01 },
942 { 0x79, 0x0c }, { 0xc8, 0x0f },
943 { 0x79, 0x0d }, { 0xc8, 0x20 },
944 { 0x79, 0x09 }, { 0xc8, 0x80 },
945 { 0x79, 0x02 }, { 0xc8, 0xc0 },
946 { 0x79, 0x03 }, { 0xc8, 0x40 },
947 { 0x79, 0x05 }, { 0xc8, 0x30 },
948 { 0x79, 0x26 },
949
950 /* Format YUV422 */
951 { OV7670_REG_COM7, OV7670_COM7_YUV }, /* Selects YUV mode */
952 { OV7670_REG_RGB444, 0 }, /* No RGB444 please */
953 { OV7670_REG_COM1, 0 },
954 { OV7670_REG_COM15, OV7670_COM15_R00FF },
955 { OV7670_REG_COM9, 0x18 },
956 /* 4x gain ceiling; 0x8 is reserved bit */
957 { 0x4f, 0x80 }, /* "matrix coefficient 1" */
958 { 0x50, 0x80 }, /* "matrix coefficient 2" */
959 { 0x52, 0x22 }, /* "matrix coefficient 4" */
960 { 0x53, 0x5e }, /* "matrix coefficient 5" */
961 { 0x54, 0x80 }, /* "matrix coefficient 6" */
962 { OV7670_REG_COM13, OV7670_COM13_GAMMA|OV7670_COM13_UVSAT },
963};
964
965 PDEBUG(D_PROBE, "starting OV7xx0 configuration");
966
967/* jfm:already done? */
968 if (init_ov_sensor(sd) < 0)
969 PDEBUG(D_ERR, "Failed to read sensor ID");
970 else
971 PDEBUG(D_PROBE, "OV7xx0 initialized");
972
973 /* Detect sensor (sub)type */
974 rc = i2c_r(sd, OV7610_REG_COM_I);
975
976 /* add OV7670 here
977 * it appears to be wrongly detected as a 7610 by default */
978 if (rc < 0) {
979 PDEBUG(D_ERR, "Error detecting sensor type");
980 return -1;
981 }
982 if ((rc & 3) == 3) {
983 /* quick hack to make OV7670s work */
984 high = i2c_r(sd, 0x0a);
985 low = i2c_r(sd, 0x0b);
986 /* info("%x, %x", high, low); */
987 if (high == 0x76 && low == 0x73) {
988 PDEBUG(D_PROBE, "Sensor is an OV7670");
989 sd->sensor = SEN_OV7670;
990 } else {
991 PDEBUG(D_PROBE, "Sensor is an OV7610");
992 sd->sensor = SEN_OV7610;
993 }
994 } else if ((rc & 3) == 1) {
995 /* I don't know what's different about the 76BE yet. */
996 if (i2c_r(sd, 0x15) & 1)
997 PDEBUG(D_PROBE, "Sensor is an OV7620AE");
998 else
999 PDEBUG(D_PROBE, "Sensor is an OV76BE");
1000
1001 /* OV511+ will return all zero isoc data unless we
1002 * configure the sensor as a 7620. Someone needs to
1003 * find the exact reg. setting that causes this. */
1004 sd->sensor = SEN_OV76BE;
1005 } else if ((rc & 3) == 0) {
1006 /* try to read product id registers */
1007 high = i2c_r(sd, 0x0a);
1008 if (high < 0) {
1009 PDEBUG(D_ERR, "Error detecting camera chip PID");
1010 return high;
1011 }
1012 low = i2c_r(sd, 0x0b);
1013 if (low < 0) {
1014 PDEBUG(D_ERR, "Error detecting camera chip VER");
1015 return low;
1016 }
1017 if (high == 0x76) {
1018 if (low == 0x30) {
1019 PDEBUG(D_PROBE, "Sensor is an OV7630/OV7635");
1020 sd->sensor = SEN_OV7630;
1021 } else if (low == 0x40) {
1022 PDEBUG(D_PROBE, "Sensor is an OV7645");
1023 sd->sensor = SEN_OV7640; /* FIXME */
1024 } else if (low == 0x45) {
1025 PDEBUG(D_PROBE, "Sensor is an OV7645B");
1026 sd->sensor = SEN_OV7640; /* FIXME */
1027 } else if (low == 0x48) {
1028 PDEBUG(D_PROBE, "Sensor is an OV7648");
1029 sd->sensor = SEN_OV7640; /* FIXME */
1030 } else {
1031 PDEBUG(D_PROBE, "Unknown sensor: 0x76%X", low);
1032 return -1;
1033 }
1034 } else {
1035 PDEBUG(D_PROBE, "Sensor is an OV7620");
1036 sd->sensor = SEN_OV7620;
1037 }
1038 } else {
1039 PDEBUG(D_ERR, "Unknown image sensor version: %d", rc & 3);
1040 return -1;
1041 }
1042
1043 if (sd->sensor == SEN_OV7620) {
1044 PDEBUG(D_PROBE, "Writing 7620 registers");
1045 if (write_i2c_regvals(sd, norm_7620,
1046 sizeof norm_7620 / sizeof norm_7620[0]))
1047 return -1;
1048 } else if (sd->sensor == SEN_OV7630) {
1049 PDEBUG(D_ERR, "7630 is not supported by this driver version");
1050 return -1;
1051 } else if (sd->sensor == SEN_OV7640) {
1052 PDEBUG(D_PROBE, "Writing 7640 registers");
1053 if (write_i2c_regvals(sd, norm_7640,
1054 sizeof norm_7640 / sizeof norm_7640[0]))
1055 return -1;
1056 } else if (sd->sensor == SEN_OV7670) {
1057 PDEBUG(D_PROBE, "Writing 7670 registers");
1058 if (write_i2c_regvals(sd, norm_7670,
1059 sizeof norm_7670 / sizeof norm_7670[0]))
1060 return -1;
1061 } else {
1062 PDEBUG(D_PROBE, "Writing 7610 registers");
1063 if (write_i2c_regvals(sd, norm_7610,
1064 sizeof norm_7610 / sizeof norm_7610[0]))
1065 return -1;
1066 }
1067
1068 /* Set sensor-specific vars */
1069 sd->maxwidth = 640;
1070 sd->maxheight = 480;
1071 return 0;
1072}
1073
1074/* This initializes the OV6620, OV6630, OV6630AE, or OV6630AF sensor. */
1075static int ov6xx0_configure(struct sd *sd)
1076{
1077 int rc;
1078 static struct ov_i2c_regvals norm_6x20[] = {
1079 { 0x12, 0x80 }, /* reset */
1080 { 0x11, 0x01 },
1081 { 0x03, 0x60 },
1082 { 0x05, 0x7f }, /* For when autoadjust is off */
1083 { 0x07, 0xa8 },
1084 /* The ratio of 0x0c and 0x0d controls the white point */
1085 { 0x0c, 0x24 },
1086 { 0x0d, 0x24 },
1087 { 0x0f, 0x15 }, /* COMS */
1088 { 0x10, 0x75 }, /* AEC Exposure time */
1089 { 0x12, 0x24 }, /* Enable AGC */
1090 { 0x14, 0x04 },
1091 /* 0x16: 0x06 helps frame stability with moving objects */
1092 { 0x16, 0x06 },
1093/* { 0x20, 0x30 }, * Aperture correction enable */
1094 { 0x26, 0xb2 }, /* BLC enable */
1095 /* 0x28: 0x05 Selects RGB format if RGB on */
1096 { 0x28, 0x05 },
1097 { 0x2a, 0x04 }, /* Disable framerate adjust */
1098/* { 0x2b, 0xac }, * Framerate; Set 2a[7] first */
1099 { 0x2d, 0x99 },
1100 { 0x33, 0xa0 }, /* Color Processing Parameter */
1101 { 0x34, 0xd2 }, /* Max A/D range */
1102 { 0x38, 0x8b },
1103 { 0x39, 0x40 },
1104
1105 { 0x3c, 0x39 }, /* Enable AEC mode changing */
1106 { 0x3c, 0x3c }, /* Change AEC mode */
1107 { 0x3c, 0x24 }, /* Disable AEC mode changing */
1108
1109 { 0x3d, 0x80 },
1110 /* These next two registers (0x4a, 0x4b) are undocumented.
1111 * They control the color balance */
1112 { 0x4a, 0x80 },
1113 { 0x4b, 0x80 },
1114 { 0x4d, 0xd2 }, /* This reduces noise a bit */
1115 { 0x4e, 0xc1 },
1116 { 0x4f, 0x04 },
1117/* Do 50-53 have any effect? */
1118/* Toggle 0x12[2] off and on here? */
1119 };
1120
1121 static struct ov_i2c_regvals norm_6x30[] = {
1122 { 0x12, 0x80 }, /* Reset */
1123 { 0x00, 0x1f }, /* Gain */
1124 { 0x01, 0x99 }, /* Blue gain */
1125 { 0x02, 0x7c }, /* Red gain */
1126 { 0x03, 0xc0 }, /* Saturation */
1127 { 0x05, 0x0a }, /* Contrast */
1128 { 0x06, 0x95 }, /* Brightness */
1129 { 0x07, 0x2d }, /* Sharpness */
1130 { 0x0c, 0x20 },
1131 { 0x0d, 0x20 },
1132 { 0x0e, 0x20 },
1133 { 0x0f, 0x05 },
1134 { 0x10, 0x9a },
1135 { 0x11, 0x00 }, /* Pixel clock = fastest */
1136 { 0x12, 0x24 }, /* Enable AGC and AWB */
1137 { 0x13, 0x21 },
1138 { 0x14, 0x80 },
1139 { 0x15, 0x01 },
1140 { 0x16, 0x03 },
1141 { 0x17, 0x38 },
1142 { 0x18, 0xea },
1143 { 0x19, 0x04 },
1144 { 0x1a, 0x93 },
1145 { 0x1b, 0x00 },
1146 { 0x1e, 0xc4 },
1147 { 0x1f, 0x04 },
1148 { 0x20, 0x20 },
1149 { 0x21, 0x10 },
1150 { 0x22, 0x88 },
1151 { 0x23, 0xc0 }, /* Crystal circuit power level */
1152 { 0x25, 0x9a }, /* Increase AEC black ratio */
1153 { 0x26, 0xb2 }, /* BLC enable */
1154 { 0x27, 0xa2 },
1155 { 0x28, 0x00 },
1156 { 0x29, 0x00 },
1157 { 0x2a, 0x84 }, /* 60 Hz power */
1158 { 0x2b, 0xa8 }, /* 60 Hz power */
1159 { 0x2c, 0xa0 },
1160 { 0x2d, 0x95 }, /* Enable auto-brightness */
1161 { 0x2e, 0x88 },
1162 { 0x33, 0x26 },
1163 { 0x34, 0x03 },
1164 { 0x36, 0x8f },
1165 { 0x37, 0x80 },
1166 { 0x38, 0x83 },
1167 { 0x39, 0x80 },
1168 { 0x3a, 0x0f },
1169 { 0x3b, 0x3c },
1170 { 0x3c, 0x1a },
1171 { 0x3d, 0x80 },
1172 { 0x3e, 0x80 },
1173 { 0x3f, 0x0e },
1174 { 0x40, 0x00 }, /* White bal */
1175 { 0x41, 0x00 }, /* White bal */
1176 { 0x42, 0x80 },
1177 { 0x43, 0x3f }, /* White bal */
1178 { 0x44, 0x80 },
1179 { 0x45, 0x20 },
1180 { 0x46, 0x20 },
1181 { 0x47, 0x80 },
1182 { 0x48, 0x7f },
1183 { 0x49, 0x00 },
1184 { 0x4a, 0x00 },
1185 { 0x4b, 0x80 },
1186 { 0x4c, 0xd0 },
1187 { 0x4d, 0x10 }, /* U = 0.563u, V = 0.714v */
1188 { 0x4e, 0x40 },
1189 { 0x4f, 0x07 }, /* UV avg., col. killer: max */
1190 { 0x50, 0xff },
1191 { 0x54, 0x23 }, /* Max AGC gain: 18dB */
1192 { 0x55, 0xff },
1193 { 0x56, 0x12 },
1194 { 0x57, 0x81 },
1195 { 0x58, 0x75 },
1196 { 0x59, 0x01 }, /* AGC dark current comp.: +1 */
1197 { 0x5a, 0x2c },
1198 { 0x5b, 0x0f }, /* AWB chrominance levels */
1199 { 0x5c, 0x10 },
1200 { 0x3d, 0x80 },
1201 { 0x27, 0xa6 },
1202 { 0x12, 0x20 }, /* Toggle AWB */
1203 { 0x12, 0x24 },
1204 };
1205
1206 PDEBUG(D_PROBE, "starting sensor configuration");
1207
1208 if (init_ov_sensor(sd) < 0) {
1209 PDEBUG(D_ERR, "Failed to read sensor ID.");
1210 return -1;
1211 }
1212 PDEBUG(D_PROBE, "OV6xx0 sensor detected");
1213
1214 /* Detect sensor (sub)type */
1215 rc = i2c_r(sd, OV7610_REG_COM_I);
1216 if (rc < 0) {
1217 PDEBUG(D_ERR, "Error detecting sensor type");
1218 return -1;
1219 }
1220
1221 /* Ugh. The first two bits are the version bits, but
1222 * the entire register value must be used. I guess OVT
1223 * underestimated how many variants they would make. */
1224 if (rc == 0x00) {
1225 sd->sensor = SEN_OV6630;
1226 PDEBUG(D_ERR,
1227 "WARNING: Sensor is an OV66308. Your camera may have");
1228 PDEBUG(D_ERR, "been misdetected in previous driver versions.");
1229 } else if (rc == 0x01) {
1230 sd->sensor = SEN_OV6620;
1231 PDEBUG(D_PROBE, "Sensor is an OV6620");
1232 } else if (rc == 0x02) {
1233 sd->sensor = SEN_OV6630;
1234 PDEBUG(D_PROBE, "Sensor is an OV66308AE");
1235 } else if (rc == 0x03) {
1236 sd->sensor = SEN_OV6630;
1237 PDEBUG(D_PROBE, "Sensor is an OV66308AF");
1238 } else if (rc == 0x90) {
1239 sd->sensor = SEN_OV6630;
1240 PDEBUG(D_ERR,
1241 "WARNING: Sensor is an OV66307. Your camera may have");
1242 PDEBUG(D_ERR, "been misdetected in previous driver versions.");
1243 } else {
1244 PDEBUG(D_ERR, "FATAL: Unknown sensor version: 0x%02x", rc);
1245 return -1;
1246 }
1247
1248 /* Set sensor-specific vars */
1249 sd->maxwidth = 352;
1250 sd->maxheight = 288;
1251
1252 if (sd->sensor == SEN_OV6620) {
1253 PDEBUG(D_PROBE, "Writing 6x20 registers");
1254 if (write_i2c_regvals(sd, norm_6x20,
1255 sizeof norm_6x20 / sizeof norm_6x20[0]))
1256 return -1;
1257 } else {
1258 PDEBUG(D_PROBE, "Writing 6x30 registers");
1259 if (write_i2c_regvals(sd, norm_6x30,
1260 sizeof norm_6x30 / sizeof norm_6x30[0]))
1261 return -1;
1262 }
1263 return 0;
1264}
1265
1266/* Turns on or off the LED. Only has an effect with OV511+/OV518(+)/OV519 */
1267static void ov51x_led_control(struct sd *sd, int on)
1268{
1269 PDEBUG(D_STREAM, "LED (%s)", on ? "on" : "off");
1270
1271/* if (sd->bridge == BRG_OV511PLUS) */
1272/* reg_w(sd, R511_SYS_LED_CTL, on ? 1 : 0); */
1273/* else if (sd->bridge == BRG_OV519) */
1274 reg_w_mask(sd, OV519_GPIO_DATA_OUT0, !on, 1); /* 0 / 1 */
1275/* else if (sd->bclass == BCL_OV518) */
1276/* reg_w_mask(sd, R518_GPIO_OUT, on ? 0x02 : 0x00, 0x02); */
1277}
1278
1279/* this function is called at probe time */
1280static int sd_config(struct gspca_dev *gspca_dev,
1281 const struct usb_device_id *id)
1282{
1283 struct sd *sd = (struct sd *) gspca_dev;
1284 struct cam *cam;
1285
1286/* (from ov519_configure) */
1287 static struct ov_regvals init_519[] = {
1288 { 0x5a, 0x6d }, /* EnableSystem */
1289/* jfm trace usbsnoop3-1.txt */
1290/* jfm 53 = fb */
1291 { 0x53, 0x9b },
1292 { 0x54, 0xff }, /* set bit2 to enable jpeg */
1293 { 0x5d, 0x03 },
1294 { 0x49, 0x01 },
1295 { 0x48, 0x00 },
1296 /* Set LED pin to output mode. Bit 4 must be cleared or sensor
1297 * detection will fail. This deserves further investigation. */
1298 { OV519_GPIO_IO_CTRL0, 0xee },
1299 { 0x51, 0x0f }, /* SetUsbInit */
1300 { 0x51, 0x00 },
1301 { 0x22, 0x00 },
1302 /* windows reads 0x55 at this point*/
1303 };
1304
1305 if (write_regvals(sd, init_519,
1306 sizeof init_519 / sizeof init_519[0]))
1307 goto error;
1308/* jfm: not seen in windows trace */
1309 if (ov519_init_compression(sd))
1310 goto error;
1311 ov51x_led_control(sd, 0); /* turn LED off */
1312
1313 /* Test for 76xx */
1314 sd->primary_i2c_slave = OV7xx0_SID;
1315 if (ov51x_set_slave_ids(sd, OV7xx0_SID) < 0)
1316 goto error;
1317
1318 /* The OV519 must be more aggressive about sensor detection since
1319 * I2C write will never fail if the sensor is not present. We have
1320 * to try to initialize the sensor to detect its presence */
1321 if (init_ov_sensor(sd) < 0) {
1322 /* Test for 6xx0 */
1323 sd->primary_i2c_slave = OV6xx0_SID;
1324 if (ov51x_set_slave_ids(sd, OV6xx0_SID) < 0)
1325 goto error;
1326
1327 if (init_ov_sensor(sd) < 0) {
1328 /* Test for 8xx0 */
1329 sd->primary_i2c_slave = OV8xx0_SID;
1330 if (ov51x_set_slave_ids(sd, OV8xx0_SID) < 0)
1331 goto error;
1332
1333 if (init_ov_sensor(sd) < 0) {
1334 PDEBUG(D_ERR,
1335 "Can't determine sensor slave IDs");
1336 goto error;
1337 } else {
1338 if (ov8xx0_configure(sd) < 0) {
1339 PDEBUG(D_ERR,
1340 "Failed to configure OV8xx0 sensor");
1341 goto error;
1342 }
1343 }
1344 } else {
1345 if (ov6xx0_configure(sd) < 0) {
1346 PDEBUG(D_ERR, "Failed to configure OV6xx0");
1347 goto error;
1348 }
1349 }
1350 } else {
1351 if (ov7xx0_configure(sd) < 0) {
1352 PDEBUG(D_ERR, "Failed to configure OV7xx0");
1353 goto error;
1354 }
1355 }
1356
1357 cam = &gspca_dev->cam;
1358 cam->epaddr = OV511_ENDPOINT_ADDRESS;
1359 if (sd->maxwidth == 640) {
1360 cam->cam_mode = vga_mode;
1361 cam->nmodes = sizeof vga_mode / sizeof vga_mode[0];
1362 } else {
1363 cam->cam_mode = sif_mode;
1364 cam->nmodes = sizeof sif_mode / sizeof sif_mode[0];
1365 }
1366 cam->dev_name = (char *) id->driver_info;
1367 sd->brightness = sd_ctrls[SD_BRIGHTNESS].qctrl.default_value;
1368 sd->contrast = sd_ctrls[SD_CONTRAST].qctrl.default_value;
1369 sd->colors = sd_ctrls[SD_COLOR].qctrl.default_value;
1370 return 0;
1371error:
1372 PDEBUG(D_ERR, "OV519 Config failed");
1373 return -EBUSY;
1374}
1375
1376/* this function is called at open time */
1377static int sd_open(struct gspca_dev *gspca_dev)
1378{
1379 return 0;
1380}
1381
1382/* Sets up the OV519 with the given image parameters
1383 *
1384 * OV519 needs a completely different approach, until we can figure out what
1385 * the individual registers do.
1386 *
1387 * Do not put any sensor-specific code in here (including I2C I/O functions)
1388 */
1389static int ov519_mode_init_regs(struct sd *sd,
1390 int width, int height)
1391{
1392 static struct ov_regvals mode_init_519_ov7670[] = {
1393 { 0x5d, 0x03 }, /* Turn off suspend mode */
1394 { 0x53, 0x9f }, /* was 9b in 1.65-1.08 */
1395 { 0x54, 0x0f }, /* bit2 (jpeg enable) */
1396 { 0xa2, 0x20 }, /* a2-a5 are undocumented */
1397 { 0xa3, 0x18 },
1398 { 0xa4, 0x04 },
1399 { 0xa5, 0x28 },
1400 { 0x37, 0x00 }, /* SetUsbInit */
1401 { 0x55, 0x02 }, /* 4.096 Mhz audio clock */
1402 /* Enable both fields, YUV Input, disable defect comp (why?) */
1403 { 0x20, 0x0c },
1404 { 0x21, 0x38 },
1405 { 0x22, 0x1d },
1406 { 0x17, 0x50 }, /* undocumented */
1407 { 0x37, 0x00 }, /* undocumented */
1408 { 0x40, 0xff }, /* I2C timeout counter */
1409 { 0x46, 0x00 }, /* I2C clock prescaler */
1410 { 0x59, 0x04 }, /* new from windrv 090403 */
1411 { 0xff, 0x00 }, /* undocumented */
1412 /* windows reads 0x55 at this point, why? */
1413 };
1414
1415 static struct ov_regvals mode_init_519[] = {
1416 { 0x5d, 0x03 }, /* Turn off suspend mode */
1417 { 0x53, 0x9f }, /* was 9b in 1.65-1.08 */
1418 { 0x54, 0x0f }, /* bit2 (jpeg enable) */
1419 { 0xa2, 0x20 }, /* a2-a5 are undocumented */
1420 { 0xa3, 0x18 },
1421 { 0xa4, 0x04 },
1422 { 0xa5, 0x28 },
1423 { 0x37, 0x00 }, /* SetUsbInit */
1424 { 0x55, 0x02 }, /* 4.096 Mhz audio clock */
1425 /* Enable both fields, YUV Input, disable defect comp (why?) */
1426 { 0x22, 0x1d },
1427 { 0x17, 0x50 }, /* undocumented */
1428 { 0x37, 0x00 }, /* undocumented */
1429 { 0x40, 0xff }, /* I2C timeout counter */
1430 { 0x46, 0x00 }, /* I2C clock prescaler */
1431 { 0x59, 0x04 }, /* new from windrv 090403 */
1432 { 0xff, 0x00 }, /* undocumented */
1433 /* windows reads 0x55 at this point, why? */
1434 };
1435
1436/* int hi_res; */
1437
1438 PDEBUG(D_CONF, "mode init %dx%d", width, height);
1439
1440/* if (width >= 800 && height >= 600)
1441 hi_res = 1;
1442 else
1443 hi_res = 0; */
1444
1445/* if (ov51x_stop(sd) < 0)
1446 return -EIO; */
1447
1448 /******** Set the mode ********/
1449 if (sd->sensor != SEN_OV7670) {
1450 if (write_regvals(sd, mode_init_519,
1451 sizeof mode_init_519 / sizeof mode_init_519[0]))
1452 return -EIO;
1453 } else {
1454 if (write_regvals(sd, mode_init_519_ov7670,
1455 sizeof mode_init_519_ov7670
1456 / sizeof mode_init_519_ov7670[0]))
1457 return -EIO;
1458 }
1459
1460 if (sd->sensor == SEN_OV7640) {
1461 /* Select 8-bit input mode */
1462 reg_w_mask(sd, OV519_CAM_DFR, 0x10, 0x10);
1463 }
1464
1465 reg_w(sd, OV519_CAM_H_SIZE, width >> 4);
1466 reg_w(sd, OV519_CAM_V_SIZE, height >> 3);
1467 reg_w(sd, OV519_CAM_X_OFFSETL, 0x00);
1468 reg_w(sd, OV519_CAM_X_OFFSETH, 0x00);
1469 reg_w(sd, OV519_CAM_Y_OFFSETL, 0x00);
1470 reg_w(sd, OV519_CAM_Y_OFFSETH, 0x00);
1471 reg_w(sd, OV519_CAM_DIVIDER, 0x00);
1472 reg_w(sd, OV519_CAM_FORMAT, 0x03); /* YUV422 */
1473 reg_w(sd, 0x26, 0x00); /* Undocumented */
1474
1475 /******** Set the framerate ********/
1476 if (frame_rate > 0)
1477 sd->frame_rate = frame_rate;
1478
1479/* FIXME: These are only valid at the max resolution. */
1480 sd->clockdiv = 0;
1481 if (sd->sensor == SEN_OV7640) {
1482 switch (sd->frame_rate) {
1483/*jfm: default was 30 fps */
1484 case 30:
1485 reg_w(sd, 0xa4, 0x0c);
1486 reg_w(sd, 0x23, 0xff);
1487 break;
1488 case 25:
1489 reg_w(sd, 0xa4, 0x0c);
1490 reg_w(sd, 0x23, 0x1f);
1491 break;
1492 case 20:
1493 reg_w(sd, 0xa4, 0x0c);
1494 reg_w(sd, 0x23, 0x1b);
1495 break;
1496 default:
1497/* case 15: */
1498 reg_w(sd, 0xa4, 0x04);
1499 reg_w(sd, 0x23, 0xff);
1500 sd->clockdiv = 1;
1501 break;
1502 case 10:
1503 reg_w(sd, 0xa4, 0x04);
1504 reg_w(sd, 0x23, 0x1f);
1505 sd->clockdiv = 1;
1506 break;
1507 case 5:
1508 reg_w(sd, 0xa4, 0x04);
1509 reg_w(sd, 0x23, 0x1b);
1510 sd->clockdiv = 1;
1511 break;
1512 }
1513 } else if (sd->sensor == SEN_OV8610) {
1514 switch (sd->frame_rate) {
1515 default: /* 15 fps */
1516/* case 15: */
1517 reg_w(sd, 0xa4, 0x06);
1518 reg_w(sd, 0x23, 0xff);
1519 break;
1520 case 10:
1521 reg_w(sd, 0xa4, 0x06);
1522 reg_w(sd, 0x23, 0x1f);
1523 break;
1524 case 5:
1525 reg_w(sd, 0xa4, 0x06);
1526 reg_w(sd, 0x23, 0x1b);
1527 break;
1528 }
1529 sd->clockdiv = 0;
1530 } else if (sd->sensor == SEN_OV7670) { /* guesses, based on 7640 */
1531 PDEBUG(D_STREAM, "Setting framerate to %d fps",
1532 (sd->frame_rate == 0) ? 15 : sd->frame_rate);
1533 switch (sd->frame_rate) {
1534 case 30:
1535 reg_w(sd, 0xa4, 0x10);
1536 reg_w(sd, 0x23, 0xff);
1537 break;
1538 case 20:
1539 reg_w(sd, 0xa4, 0x10);
1540 reg_w(sd, 0x23, 0x1b);
1541 break;
1542 default: /* 15 fps */
1543/* case 15: */
1544 reg_w(sd, 0xa4, 0x10);
1545 reg_w(sd, 0x23, 0xff);
1546 sd->clockdiv = 1;
1547 break;
1548 }
1549 }
1550
1551/* if (ov51x_restart(sd) < 0)
1552 return -EIO; */
1553
1554 /* Reset it just for good measure */
1555/* if (ov51x_reset(sd, OV511_RESET_NOREGS) < 0)
1556 return -EIO; */
1557 return 0;
1558}
1559
1560static int mode_init_ov_sensor_regs(struct sd *sd,
1561 struct ovsensor_window *win)
1562{
1563 int qvga = win->quarter;
1564
1565 /******** Mode (VGA/QVGA) and sensor specific regs ********/
1566 switch (sd->sensor) {
1567 case SEN_OV8610:
1568 /* For OV8610 qvga means qsvga */
1569 i2c_w_mask(sd, OV7610_REG_COM_C, qvga ? (1 << 5) : 0, 1 << 5);
1570 break;
1571 case SEN_OV7610:
1572 i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
1573 break;
1574 case SEN_OV7620:
1575/* i2c_w(sd, 0x2b, 0x00); */
1576 i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
1577 i2c_w_mask(sd, 0x28, qvga ? 0x00 : 0x20, 0x20);
1578 i2c_w(sd, 0x24, qvga ? 0x20 : 0x3a);
1579 i2c_w(sd, 0x25, qvga ? 0x30 : 0x60);
1580 i2c_w_mask(sd, 0x2d, qvga ? 0x40 : 0x00, 0x40);
1581 i2c_w_mask(sd, 0x67, qvga ? 0xf0 : 0x90, 0xf0);
1582 i2c_w_mask(sd, 0x74, qvga ? 0x20 : 0x00, 0x20);
1583 break;
1584 case SEN_OV76BE:
1585/* i2c_w(sd, 0x2b, 0x00); */
1586 i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
1587 break;
1588 case SEN_OV7640:
1589/* i2c_w(sd, 0x2b, 0x00); */
1590 i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
1591 i2c_w_mask(sd, 0x28, qvga ? 0x00 : 0x20, 0x20);
1592/* i2c_w(sd, 0x24, qvga ? 0x20 : 0x3a); */
1593/* i2c_w(sd, 0x25, qvga ? 0x30 : 0x60); */
1594/* i2c_w_mask(sd, 0x2d, qvga ? 0x40 : 0x00, 0x40); */
1595/* i2c_w_mask(sd, 0x67, qvga ? 0xf0 : 0x90, 0xf0); */
1596/* i2c_w_mask(sd, 0x74, qvga ? 0x20 : 0x00, 0x20); */
1597 break;
1598 case SEN_OV7670:
1599 /* set COM7_FMT_VGA or COM7_FMT_QVGA
1600 * do we need to set anything else?
1601 * HSTART etc are set in set_ov_sensor_window itself */
1602 i2c_w_mask(sd, OV7670_REG_COM7,
1603 qvga ? OV7670_COM7_FMT_QVGA : OV7670_COM7_FMT_VGA,
1604 OV7670_COM7_FMT_MASK);
1605 break;
1606 case SEN_OV6620:
1607 i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
1608 break;
1609 case SEN_OV6630:
1610 i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
1611 break;
1612 default:
1613 return -EINVAL;
1614 }
1615
1616 /******** Palette-specific regs ********/
1617/* Need to do work here for the OV7670 */
1618
1619 if (sd->sensor == SEN_OV7610 || sd->sensor == SEN_OV76BE) {
1620 /* not valid on the OV6620/OV7620/6630? */
1621 i2c_w_mask(sd, 0x0e, 0x00, 0x40);
1622 }
1623
1624 /* The OV518 needs special treatment. Although both the OV518
1625 * and the OV6630 support a 16-bit video bus, only the 8 bit Y
1626 * bus is actually used. The UV bus is tied to ground.
1627 * Therefore, the OV6630 needs to be in 8-bit multiplexed
1628 * output mode */
1629
1630 /* OV7640 is 8-bit only */
1631
1632 if (sd->sensor != SEN_OV6630 && sd->sensor != SEN_OV7640)
1633 i2c_w_mask(sd, 0x13, 0x00, 0x20);
1634/* } */
1635
1636 /******** Clock programming ********/
1637 /* The OV6620 needs special handling. This prevents the
1638 * severe banding that normally occurs */
1639 if (sd->sensor == SEN_OV6620) {
1640
1641 /* Clock down */
1642 i2c_w(sd, 0x2a, 0x04);
1643 i2c_w(sd, 0x11, win->clockdiv);
1644 i2c_w(sd, 0x2a, 0x84);
1645 /* This next setting is critical. It seems to improve
1646 * the gain or the contrast. The "reserved" bits seem
1647 * to have some effect in this case. */
1648 i2c_w(sd, 0x2d, 0x85);
1649 } else if (win->clockdiv >= 0) {
1650 i2c_w(sd, 0x11, win->clockdiv);
1651 }
1652
1653 /******** Special Features ********/
1654/* no evidence this is possible with OV7670, either */
1655 /* Test Pattern */
1656 if (sd->sensor != SEN_OV7640 && sd->sensor != SEN_OV7670)
1657 i2c_w_mask(sd, 0x12, 0x00, 0x02);
1658
1659 /* Enable auto white balance */
1660 if (sd->sensor == SEN_OV7670)
1661 i2c_w_mask(sd, OV7670_REG_COM8, OV7670_COM8_AWB,
1662 OV7670_COM8_AWB);
1663 else
1664 i2c_w_mask(sd, 0x12, 0x04, 0x04);
1665
1666 /* This will go away as soon as ov51x_mode_init_sensor_regs() */
1667 /* is fully tested. */
1668 /* 7620/6620/6630? don't have register 0x35, so play it safe */
1669 if (sd->sensor == SEN_OV7610 || sd->sensor == SEN_OV76BE) {
1670 if (win->width == 640 /*&& win->height == 480*/)
1671 i2c_w(sd, 0x35, 0x9e);
1672 else
1673 i2c_w(sd, 0x35, 0x1e);
1674 }
1675 return 0;
1676}
1677
1678static int set_ov_sensor_window(struct sd *sd,
1679 struct ovsensor_window *win)
1680{
1681 int hwsbase, hwebase, vwsbase, vwebase, hwscale, vwscale;
1682 int ret, hstart, hstop, vstop, vstart;
1683 __u8 v;
1684
1685 /* The different sensor ICs handle setting up of window differently.
1686 * IF YOU SET IT WRONG, YOU WILL GET ALL ZERO ISOC DATA FROM OV51x!! */
1687 switch (sd->sensor) {
1688 case SEN_OV8610:
1689 hwsbase = 0x1e;
1690 hwebase = 0x1e;
1691 vwsbase = 0x02;
1692 vwebase = 0x02;
1693 break;
1694 case SEN_OV7610:
1695 case SEN_OV76BE:
1696 hwsbase = 0x38;
1697 hwebase = 0x3a;
1698 vwsbase = vwebase = 0x05;
1699 break;
1700 case SEN_OV6620:
1701 case SEN_OV6630:
1702 hwsbase = 0x38;
1703 hwebase = 0x3a;
1704 vwsbase = 0x05;
1705 vwebase = 0x06;
1706 break;
1707 case SEN_OV7620:
1708 hwsbase = 0x2f; /* From 7620.SET (spec is wrong) */
1709 hwebase = 0x2f;
1710 vwsbase = vwebase = 0x05;
1711 break;
1712 case SEN_OV7640:
1713 hwsbase = 0x1a;
1714 hwebase = 0x1a;
1715 vwsbase = vwebase = 0x03;
1716 break;
1717 case SEN_OV7670:
1718 /*handling of OV7670 hardware sensor start and stop values
1719 * is very odd, compared to the other OV sensors */
1720 vwsbase = vwebase = hwebase = hwsbase = 0x00;
1721 break;
1722 default:
1723 return -EINVAL;
1724 }
1725
1726 switch (sd->sensor) {
1727 case SEN_OV6620:
1728 case SEN_OV6630:
1729 if (win->quarter) { /* QCIF */
1730 hwscale = 0;
1731 vwscale = 0;
1732 } else { /* CIF */
1733 hwscale = 1;
1734 vwscale = 1; /* The datasheet says 0;
1735 * it's wrong */
1736 }
1737 break;
1738 case SEN_OV8610:
1739 if (win->quarter) { /* QSVGA */
1740 hwscale = 1;
1741 vwscale = 1;
1742 } else { /* SVGA */
1743 hwscale = 2;
1744 vwscale = 2;
1745 }
1746 break;
1747 default: /* SEN_OV7xx0 */
1748 if (win->quarter) { /* QVGA */
1749 hwscale = 1;
1750 vwscale = 0;
1751 } else { /* VGA */
1752 hwscale = 2;
1753 vwscale = 1;
1754 }
1755 }
1756
1757 ret = mode_init_ov_sensor_regs(sd, win);
1758 if (ret < 0)
1759 return ret;
1760
1761 if (sd->sensor == SEN_OV8610) {
1762 i2c_w_mask(sd, 0x2d, 0x05, 0x40);
1763 /* old 0x95, new 0x05 from windrv 090403 */
1764 /* bits 5-7: reserved */
1765 i2c_w_mask(sd, 0x28, 0x20, 0x20);
1766 /* bit 5: progressive mode on */
1767 }
1768
1769 /* The below is wrong for OV7670s because their window registers
1770 * only store the high bits in 0x17 to 0x1a */
1771
1772 /* SRH Use sd->max values instead of requested win values */
1773 /* SCS Since we're sticking with only the max hardware widths
1774 * for a given mode */
1775 /* I can hard code this for OV7670s */
1776 /* Yes, these numbers do look odd, but they're tested and work! */
1777 if (sd->sensor == SEN_OV7670) {
1778 if (win->quarter) { /* QVGA from ov7670.c by
1779 * Jonathan Corbet */
1780 hstart = 164;
1781 hstop = 20;
1782 vstart = 14;
1783 vstop = 494;
1784 } else { /* VGA */
1785 hstart = 158;
1786 hstop = 14;
1787 vstart = 10;
1788 vstop = 490;
1789 }
1790 /* OV7670 hardware window registers are split across
1791 * multiple locations */
1792 i2c_w(sd, OV7670_REG_HSTART, (hstart >> 3) & 0xff);
1793 i2c_w(sd, OV7670_REG_HSTOP, (hstop >> 3) & 0xff);
1794 v = i2c_r(sd, OV7670_REG_HREF);
1795 v = (v & 0xc0) | ((hstop & 0x7) << 3) | (hstart & 0x07);
1796 msleep(10); /* need to sleep between read and write to
1797 * same reg! */
1798 i2c_w(sd, OV7670_REG_HREF, v);
1799
1800 i2c_w(sd, OV7670_REG_VSTART, (vstart >> 2) & 0xff);
1801 i2c_w(sd, OV7670_REG_VSTOP, (vstop >> 2) & 0xff);
1802 v = i2c_r(sd, OV7670_REG_VREF);
1803 v = (v & 0xc0) | ((vstop & 0x3) << 2) | (vstart & 0x03);
1804 msleep(10); /* need to sleep between read and write to
1805 * same reg! */
1806 i2c_w(sd, OV7670_REG_VREF, v);
1807
1808 } else {
1809 i2c_w(sd, 0x17, hwsbase + (win->x >> hwscale));
1810 i2c_w(sd, 0x18, hwebase + ((win->x + win->width) >> hwscale));
1811 i2c_w(sd, 0x19, vwsbase + (win->y >> vwscale));
1812 i2c_w(sd, 0x1a, vwebase + ((win->y + win->height) >> vwscale));
1813 }
1814 return 0;
1815}
1816
1817static int ov_sensor_mode_setup(struct sd *sd,
1818 int width, int height)
1819{
1820 struct ovsensor_window win;
1821
1822/* win.format = mode; */
1823
1824 /* Unless subcapture is enabled,
1825 * center the image window and downsample
1826 * if possible to increase the field of view */
1827 /* NOTE: OV518(+) and OV519 does downsampling on its own */
1828 win.width = width;
1829 win.height = height;
1830 if (width == sd->maxwidth)
1831 win.quarter = 0;
1832 else
1833 win.quarter = 1;
1834
1835 /* Center it */
1836 win.x = (win.width - width) / 2;
1837 win.y = (win.height - height) / 2;
1838
1839 /* Clock is determined by OV519 frame rate code */
1840 win.clockdiv = sd->clockdiv;
1841
1842 PDEBUG(D_CONF, "Setting clock divider to %d", win.clockdiv);
1843 return set_ov_sensor_window(sd, &win);
1844}
1845
1846/* -- start the camera -- */
1847static void sd_start(struct gspca_dev *gspca_dev)
1848{
1849 struct sd *sd = (struct sd *) gspca_dev;
1850 int ret;
1851
1852
1853 ret = ov519_mode_init_regs(sd, gspca_dev->width, gspca_dev->height);
1854 if (ret < 0)
1855 goto out;
1856 ret = ov_sensor_mode_setup(sd, gspca_dev->width, gspca_dev->height);
1857 if (ret < 0)
1858 goto out;
1859
1860 ret = ov51x_restart((struct sd *) gspca_dev);
1861 if (ret < 0)
1862 goto out;
1863 PDEBUG(D_STREAM, "camera started alt: 0x%02x", gspca_dev->alt);
1864 ov51x_led_control(sd, 1);
1865 return;
1866out:
1867 PDEBUG(D_ERR, "camera start error:%d", ret);
1868}
1869
1870static void sd_stopN(struct gspca_dev *gspca_dev)
1871{
1872 ov51x_stop((struct sd *) gspca_dev);
1873 ov51x_led_control((struct sd *) gspca_dev, 0);
1874}
1875
1876static void sd_stop0(struct gspca_dev *gspca_dev)
1877{
1878}
1879
1880static void sd_close(struct gspca_dev *gspca_dev)
1881{
1882}
1883
1884static void sd_pkt_scan(struct gspca_dev *gspca_dev,
1885 struct gspca_frame *frame, /* target */
1886 unsigned char *data, /* isoc packet */
1887 int len) /* iso packet length */
1888{
1889 /* Header of ov519 is 16 bytes:
1890 * Byte Value Description
1891 * 0 0xff magic
1892 * 1 0xff magic
1893 * 2 0xff magic
1894 * 3 0xXX 0x50 = SOF, 0x51 = EOF
1895 * 9 0xXX 0x01 initial frame without data,
1896 * 0x00 standard frame with image
1897 * 14 Lo in EOF: length of image data / 8
1898 * 15 Hi
1899 */
1900
1901 if (data[0] == 0xff && data[1] == 0xff && data[2] == 0xff) {
1902 switch (data[3]) {
1903 case 0x50: /* start of frame */
1904#define HDRSZ 16
1905 data += HDRSZ;
1906 len -= HDRSZ;
1907#undef HDRSZ
1908 if (data[0] == 0xff || data[1] == 0xd8)
1909 gspca_frame_add(gspca_dev, FIRST_PACKET, frame,
1910 data, len);
1911 else
1912 gspca_dev->last_packet_type = DISCARD_PACKET;
1913 return;
1914 case 0x51: /* end of frame */
1915 if (data[9] != 0)
1916 gspca_dev->last_packet_type = DISCARD_PACKET;
1917 gspca_frame_add(gspca_dev, LAST_PACKET, frame,
1918 data, 0);
1919 return;
1920 }
1921 }
1922
1923 /* intermediate packet */
1924 gspca_frame_add(gspca_dev, INTER_PACKET, frame,
1925 data, len);
1926}
1927
1928/* -- management routines -- */
1929
1930static void setbrightness(struct gspca_dev *gspca_dev)
1931{
1932 struct sd *sd = (struct sd *) gspca_dev;
1933 int val;
1934/* int was_streaming; */
1935
1936 val = sd->brightness;
1937 PDEBUG(D_CONF, "brightness:%d", val);
1938/* was_streaming = gspca_dev->streaming;
1939 * if (was_streaming)
1940 * ov51x_stop(sd); */
1941 switch (sd->sensor) {
1942 case SEN_OV8610:
1943 case SEN_OV7610:
1944 case SEN_OV76BE:
1945 case SEN_OV6620:
1946 case SEN_OV6630:
1947 case SEN_OV7640:
1948 i2c_w(sd, OV7610_REG_BRT, val);
1949 break;
1950 case SEN_OV7620:
1951 /* 7620 doesn't like manual changes when in auto mode */
1952/*fixme
1953 * if (!sd->auto_brt) */
1954 i2c_w(sd, OV7610_REG_BRT, val);
1955 break;
1956 case SEN_OV7670:
1957/*jfm - from windblows
1958 * i2c_w_mask(sd, OV7670_REG_COM8, 0, OV7670_COM8_AEC); */
1959 i2c_w(sd, OV7670_REG_BRIGHT, ov7670_abs_to_sm(val));
1960 break;
1961 }
1962/* if (was_streaming)
1963 * ov51x_restart(sd); */
1964}
1965
1966static void setcontrast(struct gspca_dev *gspca_dev)
1967{
1968 struct sd *sd = (struct sd *) gspca_dev;
1969 int val;
1970/* int was_streaming; */
1971
1972 val = sd->contrast;
1973 PDEBUG(D_CONF, "contrast:%d", val);
1974/* was_streaming = gspca_dev->streaming;
1975 if (was_streaming)
1976 ov51x_stop(sd); */
1977 switch (sd->sensor) {
1978 case SEN_OV7610:
1979 case SEN_OV6620:
1980 i2c_w(sd, OV7610_REG_CNT, val);
1981 break;
1982 case SEN_OV6630:
1983 i2c_w_mask(sd, OV7610_REG_CNT, val >> 4, 0x0f);
1984 case SEN_OV8610: {
1985 static __u8 ctab[] = {
1986 0x03, 0x09, 0x0b, 0x0f, 0x53, 0x6f, 0x35, 0x7f
1987 };
1988
1989 /* Use Y gamma control instead. Bit 0 enables it. */
1990 i2c_w(sd, 0x64, ctab[val >> 5]);
1991 break;
1992 }
1993 case SEN_OV7620: {
1994 static __u8 ctab[] = {
1995 0x01, 0x05, 0x09, 0x11, 0x15, 0x35, 0x37, 0x57,
1996 0x5b, 0xa5, 0xa7, 0xc7, 0xc9, 0xcf, 0xef, 0xff
1997 };
1998
1999 /* Use Y gamma control instead. Bit 0 enables it. */
2000 i2c_w(sd, 0x64, ctab[val >> 4]);
2001 break;
2002 }
2003 case SEN_OV7640:
2004 /* Use gain control instead. */
2005 i2c_w(sd, OV7610_REG_GAIN, val >> 2);
2006 break;
2007 case SEN_OV7670:
2008 /* check that this isn't just the same as ov7610 */
2009 i2c_w(sd, OV7670_REG_CONTRAS, val >> 1);
2010 break;
2011 }
2012/* if (was_streaming)
2013 ov51x_restart(sd); */
2014}
2015
2016static void setcolors(struct gspca_dev *gspca_dev)
2017{
2018 struct sd *sd = (struct sd *) gspca_dev;
2019 int val;
2020/* int was_streaming; */
2021
2022 val = sd->colors;
2023 PDEBUG(D_CONF, "saturation:%d", val);
2024/* was_streaming = gspca_dev->streaming;
2025 if (was_streaming)
2026 ov51x_stop(sd); */
2027 switch (sd->sensor) {
2028 case SEN_OV8610:
2029 case SEN_OV7610:
2030 case SEN_OV76BE:
2031 case SEN_OV6620:
2032 case SEN_OV6630:
2033 i2c_w(sd, OV7610_REG_SAT, val);
2034 break;
2035 case SEN_OV7620:
2036 /* Use UV gamma control instead. Bits 0 & 7 are reserved. */
2037/* rc = ov_i2c_write(sd->dev, 0x62, (val >> 9) & 0x7e);
2038 if (rc < 0)
2039 goto out; */
2040 i2c_w(sd, OV7610_REG_SAT, val);
2041 break;
2042 case SEN_OV7640:
2043 i2c_w(sd, OV7610_REG_SAT, val & 0xf0);
2044 break;
2045 case SEN_OV7670:
2046 /* supported later once I work out how to do it
2047 * transparently fail now! */
2048 /* set REG_COM13 values for UV sat auto mode */
2049 break;
2050 }
2051/* if (was_streaming)
2052 ov51x_restart(sd); */
2053}
2054
2055static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
2056{
2057 struct sd *sd = (struct sd *) gspca_dev;
2058
2059 sd->brightness = val;
2060 setbrightness(gspca_dev);
2061 return 0;
2062}
2063
2064static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
2065{
2066 struct sd *sd = (struct sd *) gspca_dev;
2067
2068 *val = sd->brightness;
2069 return 0;
2070}
2071
2072static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
2073{
2074 struct sd *sd = (struct sd *) gspca_dev;
2075
2076 sd->contrast = val;
2077 setcontrast(gspca_dev);
2078 return 0;
2079}
2080
2081static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
2082{
2083 struct sd *sd = (struct sd *) gspca_dev;
2084
2085 *val = sd->contrast;
2086 return 0;
2087}
2088
2089static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val)
2090{
2091 struct sd *sd = (struct sd *) gspca_dev;
2092
2093 sd->colors = val;
2094 setcolors(gspca_dev);
2095 return 0;
2096}
2097
2098static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val)
2099{
2100 struct sd *sd = (struct sd *) gspca_dev;
2101
2102 *val = sd->colors;
2103 return 0;
2104}
2105
2106/* sub-driver description */
2107static struct sd_desc sd_desc = {
2108 .name = MODULE_NAME,
2109 .ctrls = sd_ctrls,
2110 .nctrls = ARRAY_SIZE(sd_ctrls),
2111 .config = sd_config,
2112 .open = sd_open,
2113 .start = sd_start,
2114 .stopN = sd_stopN,
2115 .stop0 = sd_stop0,
2116 .close = sd_close,
2117 .pkt_scan = sd_pkt_scan,
2118};
2119
2120/* -- module initialisation -- */
2121#define DVNM(name) .driver_info = (kernel_ulong_t) name
2122static __devinitdata struct usb_device_id device_table[] = {
2123 {USB_DEVICE(0x041e, 0x4052), DVNM("Creative Live! VISTA IM")},
2124 {USB_DEVICE(0x041e, 0x405f), DVNM("Creative Live! VISTA VF0330")},
2125 {USB_DEVICE(0x041e, 0x4060), DVNM("Creative Live! VISTA VF0350")},
2126 {USB_DEVICE(0x041e, 0x4061), DVNM("Creative Live! VISTA VF0400")},
2127 {USB_DEVICE(0x041e, 0x4064), DVNM("Creative Live! VISTA VF0420")},
2128 {USB_DEVICE(0x041e, 0x4068), DVNM("Creative Live! VISTA VF0470")},
2129 {USB_DEVICE(0x045e, 0x028c), DVNM("Microsoft xbox cam")},
2130 {USB_DEVICE(0x054c, 0x0154), DVNM("Sonny toy4")},
2131 {USB_DEVICE(0x054c, 0x0155), DVNM("Sonny toy5")},
2132 {USB_DEVICE(0x05a9, 0x0519), DVNM("OmniVision")},
2133 {USB_DEVICE(0x05a9, 0x0530), DVNM("OmniVision")},
2134 {USB_DEVICE(0x05a9, 0x4519), DVNM("OmniVision")},
2135 {USB_DEVICE(0x05a9, 0x8519), DVNM("OmniVision")},
2136 {}
2137};
2138#undef DVNAME
2139MODULE_DEVICE_TABLE(usb, device_table);
2140
2141/* -- device connect -- */
2142static int sd_probe(struct usb_interface *intf,
2143 const struct usb_device_id *id)
2144{
2145 return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
2146 THIS_MODULE);
2147}
2148
2149static struct usb_driver sd_driver = {
2150 .name = MODULE_NAME,
2151 .id_table = device_table,
2152 .probe = sd_probe,
2153 .disconnect = gspca_disconnect,
2154};
2155
2156/* -- module insert / remove -- */
2157static int __init sd_mod_init(void)
2158{
2159 if (usb_register(&sd_driver) < 0)
2160 return -1;
2161 PDEBUG(D_PROBE, "v%s registered", version);
2162 return 0;
2163}
2164static void __exit sd_mod_exit(void)
2165{
2166 usb_deregister(&sd_driver);
2167 PDEBUG(D_PROBE, "deregistered");
2168}
2169
2170module_init(sd_mod_init);
2171module_exit(sd_mod_exit);
2172
2173module_param(frame_rate, int, 0644);
2174MODULE_PARM_DESC(frame_rate, "Frame rate (5, 10, 15, 20 or 30 fps)");
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-07 00:34:03 -0500