2 * Etoms Et61x151 GPL Linux driver by Michel Xhaard (09/09/2004)
4 * V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #define MODULE_NAME "etoms"
25 #define DRIVER_VERSION_NUMBER KERNEL_VERSION(2, 1, 3)
26 static const char version[] = "2.1.3";
28 MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
29 MODULE_DESCRIPTION("Etoms USB Camera Driver");
30 MODULE_LICENSE("GPL");
32 /* specific webcam descriptor */
34 struct gspca_dev gspca_dev; /* !! must be the first item */
36 unsigned char brightness;
37 unsigned char contrast;
39 unsigned char autogain;
42 #define SENSOR_PAS106 0
43 #define SENSOR_TAS5130CXX 1
45 #define AG_CNT_START 13
48 /* V4L2 controls supported by the driver */
49 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
50 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
51 static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
52 static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);
53 static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val);
54 static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val);
55 static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val);
56 static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val);
58 static struct ctrl sd_ctrls[] = {
59 #define SD_BRIGHTNESS 0
62 .id = V4L2_CID_BRIGHTNESS,
63 .type = V4L2_CTRL_TYPE_INTEGER,
70 .set = sd_setbrightness,
71 .get = sd_getbrightness,
76 .id = V4L2_CID_CONTRAST,
77 .type = V4L2_CTRL_TYPE_INTEGER,
84 .set = sd_setcontrast,
85 .get = sd_getcontrast,
90 .id = V4L2_CID_SATURATION,
91 .type = V4L2_CTRL_TYPE_INTEGER,
101 #define SD_AUTOGAIN 3
104 .id = V4L2_CID_AUTOGAIN,
105 .type = V4L2_CTRL_TYPE_BOOLEAN,
112 .set = sd_setautogain,
113 .get = sd_getautogain,
117 static struct cam_mode vga_mode[] = {
118 {V4L2_PIX_FMT_SBGGR8, 320, 240, 1},
119 /* {V4L2_PIX_FMT_SBGGR8, 640, 480, 0}, */
122 static struct cam_mode sif_mode[] = {
123 {V4L2_PIX_FMT_SBGGR8, 176, 144, 1},
124 {V4L2_PIX_FMT_SBGGR8, 352, 288, 0},
127 #define ETOMS_ALT_SIZE_1000 12
129 #define ET_GPIO_DIR_CTRL 0x04 /* Control IO bit[0..5] (0 in 1 out) */
130 #define ET_GPIO_OUT 0x05 /* Only IO data */
131 #define ET_GPIO_IN 0x06 /* Read Only IO data */
132 #define ET_RESET_ALL 0x03
134 #define ET_CTRL 0x02 /* enable i2c OutClck Powerdown mode */
136 #define ET_COMP 0x12 /* Compression register */
137 #define ET_MAXQt 0x13
138 #define ET_MINQt 0x14
139 #define ET_COMP_VAL0 0x02
140 #define ET_COMP_VAL1 0x03
142 #define ET_REG1d 0x1d
143 #define ET_REG1e 0x1e
144 #define ET_REG1f 0x1f
145 #define ET_REG20 0x20
146 #define ET_REG21 0x21
147 #define ET_REG22 0x22
148 #define ET_REG23 0x23
149 #define ET_REG24 0x24
150 #define ET_REG25 0x25
151 /* base registers for luma calculation */
152 #define ET_LUMA_CENTER 0x39
154 #define ET_G_RED 0x4d
155 #define ET_G_GREEN1 0x4e
156 #define ET_G_BLUE 0x4f
157 #define ET_G_GREEN2 0x50
158 #define ET_G_GR_H 0x51
159 #define ET_G_GB_H 0x52
161 #define ET_O_RED 0x34
162 #define ET_O_GREEN1 0x35
163 #define ET_O_BLUE 0x36
164 #define ET_O_GREEN2 0x37
166 #define ET_SYNCHRO 0x68
167 #define ET_STARTX 0x69
168 #define ET_STARTY 0x6a
169 #define ET_WIDTH_LOW 0x6b
170 #define ET_HEIGTH_LOW 0x6c
171 #define ET_W_H_HEIGTH 0x6d
173 #define ET_REG6e 0x6e /* OBW */
174 #define ET_REG6f 0x6f /* OBW */
175 #define ET_REG70 0x70 /* OBW_AWB */
176 #define ET_REG71 0x71 /* OBW_AWB */
177 #define ET_REG72 0x72 /* OBW_AWB */
178 #define ET_REG73 0x73 /* Clkdelay ns */
179 #define ET_REG74 0x74 /* test pattern */
180 #define ET_REG75 0x75 /* test pattern */
182 #define ET_I2C_CLK 0x8c
183 #define ET_PXL_CLK 0x60
185 #define ET_I2C_BASE 0x89
186 #define ET_I2C_COUNT 0x8a
187 #define ET_I2C_PREFETCH 0x8b
188 #define ET_I2C_REG 0x88
189 #define ET_I2C_DATA7 0x87
190 #define ET_I2C_DATA6 0x86
191 #define ET_I2C_DATA5 0x85
192 #define ET_I2C_DATA4 0x84
193 #define ET_I2C_DATA3 0x83
194 #define ET_I2C_DATA2 0x82
195 #define ET_I2C_DATA1 0x81
196 #define ET_I2C_DATA0 0x80
198 #define PAS106_REG2 0x02 /* pxlClk = systemClk/(reg2) */
199 #define PAS106_REG3 0x03 /* line/frame H [11..4] */
200 #define PAS106_REG4 0x04 /* line/frame L [3..0] */
201 #define PAS106_REG5 0x05 /* exposure time line offset(default 5) */
202 #define PAS106_REG6 0x06 /* exposure time pixel offset(default 6) */
203 #define PAS106_REG7 0x07 /* signbit Dac (default 0) */
204 #define PAS106_REG9 0x09
205 #define PAS106_REG0e 0x0e /* global gain [4..0](default 0x0e) */
206 #define PAS106_REG13 0x13 /* end i2c write */
208 static __u8 GainRGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 };
210 static __u8 I2c2[] = { 0x08, 0x08, 0x08, 0x08, 0x0d };
212 static __u8 I2c3[] = { 0x12, 0x05 };
214 static __u8 I2c4[] = { 0x41, 0x08 };
216 static void reg_r(struct usb_device *dev,
217 __u16 index, __u8 *buffer, int len)
220 usb_rcvctrlpipe(dev, 0),
222 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
223 0, index, buffer, len, 500);
226 static void reg_w(struct usb_device *dev,
227 __u16 index, __u8 *buffer, __u16 len)
231 memcpy(tmpbuf, buffer, len);
233 usb_sndctrlpipe(dev, 0),
235 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
236 0, index, tmpbuf, len, 500);
239 static int Et_i2cwrite(struct usb_device *dev, __u8 reg, __u8 *buffer,
240 __u16 length, __u8 mode)
242 /* buffer should be [D0..D7] */
244 __u8 base = 0x40; /* sensor base for the pas106 */
247 ptchcount = (((length & 0x07) << 4) | (mode & 0x03));
248 /* set the base address */
249 reg_w(dev, ET_I2C_BASE, &base, 1);
250 /* set count and prefetch */
251 reg_w(dev, ET_I2C_COUNT, &ptchcount, 1);
252 /* set the register base */
253 reg_w(dev, ET_I2C_REG, ®, 1);
255 for (i = 0; i < length; i++) {
256 reg_w(dev, (ET_I2C_DATA0 + j), &buffer[j], 1);
262 static int Et_i2cread(struct usb_device *dev, __u8 reg, __u8 *buffer,
263 __u16 length, __u8 mode)
265 /* buffer should be [D0..D7] */
267 __u8 base = 0x40; /* sensor base for the pas106 */
269 __u8 prefetch = 0x02;
271 ptchcount = (((length & 0x07) << 4) | (mode & 0x03));
272 /* set the base address */
273 reg_w(dev, ET_I2C_BASE, &base, 1);
274 /* set count and prefetch */
275 reg_w(dev, ET_I2C_COUNT, &ptchcount, 1);
276 /* set the register base */
277 reg_w(dev, ET_I2C_REG, ®, 1);
278 reg_w(dev, ET_I2C_PREFETCH, &prefetch, 1);
280 reg_w(dev, ET_I2C_PREFETCH, &prefetch, 1);
282 for (i = 0; i < length; i++) {
283 reg_r(dev, (ET_I2C_DATA0 + j), &buffer[j], 1);
289 static int Et_WaitStatus(struct usb_device *dev)
295 reg_r(dev, ET_ClCK, &bytereceived, 1);
296 if (bytereceived != 0)
302 static int Et_videoOff(struct usb_device *dev)
307 reg_w(dev, ET_GPIO_OUT, &stopvideo, 1);
308 err = Et_WaitStatus(dev);
310 PDEBUG(D_ERR, "timeout Et_waitStatus VideoON");
314 static int Et_videoOn(struct usb_device *dev)
317 __u8 startvideo = 0x10; /* set Bit5 */
319 reg_w(dev, ET_GPIO_OUT, &startvideo, 1);
320 err = Et_WaitStatus(dev);
322 PDEBUG(D_ERR, "timeout Et_waitStatus VideoOFF");
326 static void Et_init2(struct gspca_dev *gspca_dev)
328 struct usb_device *dev = gspca_dev->dev;
330 __u8 received = 0x00;
331 __u8 FormLine[] = { 0x84, 0x03, 0x14, 0xf4, 0x01, 0x05 };
333 PDEBUG(D_STREAM, "Open Init2 ET");
335 reg_w(dev, ET_GPIO_DIR_CTRL, &value, 1);
337 reg_w(dev, ET_GPIO_OUT, &value, 1);
338 reg_r(dev, ET_GPIO_IN, &received, 1);
339 value = 0x14; /* 0x14 // 0x16 enabled pattern */
340 reg_w(dev, ET_ClCK, &value, 1);
342 reg_w(dev, ET_CTRL, &value, 1);
344 /* compression et subsampling */
345 if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].mode)
346 value = ET_COMP_VAL1; /* 320 */
348 value = ET_COMP_VAL0; /* 640 */
349 reg_w(dev, ET_COMP, &value, 1);
351 reg_w(dev, ET_MAXQt, &value, 1);
353 reg_w(dev, ET_MINQt, &value, 1);
354 /* undocumented registers */
356 reg_w(dev, ET_REG1d, &value, 1);
358 reg_w(dev, ET_REG1e, &value, 1);
360 reg_w(dev, ET_REG1f, &value, 1);
362 reg_w(dev, ET_REG20, &value, 1);
364 reg_w(dev, ET_REG21, &value, 1);
366 reg_w(dev, ET_REG22, &value, 1);
368 reg_w(dev, ET_REG23, &value, 1);
370 reg_w(dev, ET_REG24, &value, 1);
372 reg_w(dev, ET_REG25, &value, 1);
375 reg_w(dev, 0x30, &value, 1); /* 0x30 */
377 reg_w(dev, 0x31, &value, 1);
379 reg_w(dev, 0x32, &value, 1);
381 reg_w(dev, ET_O_RED, &value, 1); /* 0x34 */
383 reg_w(dev, ET_O_GREEN1, &value, 1);
385 reg_w(dev, ET_O_BLUE, &value, 1);
387 reg_w(dev, ET_O_GREEN2, &value, 1);
390 reg_w(dev, ET_G_RED, &value, 1); /* 0x4d */
392 reg_w(dev, ET_G_GREEN1, &value, 1);
394 reg_w(dev, ET_G_BLUE, &value, 1);
396 reg_w(dev, ET_G_GREEN2, &value, 1);
398 reg_w(dev, ET_G_GR_H, &value, 1);
400 reg_w(dev, ET_G_GB_H, &value, 1); /* 0x52 */
401 /* Window control registers */
403 value = 0x80; /* use cmc_out */
404 reg_w(dev, 0x61, &value, 1);
407 reg_w(dev, 0x62, &value, 1);
409 reg_w(dev, 0x63, &value, 1);
411 reg_w(dev, 0x64, &value, 1);
413 reg_w(dev, 0x65, &value, 1);
415 reg_w(dev, 0x66, &value, 1);
417 reg_w(dev, 0x67, &value, 1);
419 /**************************************/
421 reg_w(dev, ET_SYNCHRO, &value, 1); /* 0x68 */
422 value = 0x69; /* 0x6a //0x69 */
423 reg_w(dev, ET_STARTX, &value, 1);
424 value = 0x0d; /* 0x0d //0x0c */
425 reg_w(dev, ET_STARTY, &value, 1);
427 reg_w(dev, ET_WIDTH_LOW, &value, 1);
429 reg_w(dev, ET_HEIGTH_LOW, &value, 1);
431 reg_w(dev, ET_W_H_HEIGTH, &value, 1); /* 6d */
433 reg_w(dev, ET_REG6e, &value, 1);
435 reg_w(dev, ET_REG6f, &value, 1);
437 reg_w(dev, ET_REG70, &value, 1);
439 reg_w(dev, ET_REG71, &value, 1);
441 reg_w(dev, ET_REG72, &value, 1);
442 /* Clock Pattern registers ***************** */
444 reg_w(dev, ET_REG73, &value, 1);
445 value = 0x18; /* 0x28 */
446 reg_w(dev, ET_REG74, &value, 1);
447 value = 0x0f; /* 0x01 */
448 reg_w(dev, ET_REG75, &value, 1);
449 /**********************************************/
451 reg_w(dev, 0x8a, &value, 1);
453 reg_w(dev, 0x8d, &value, 1);
455 reg_w(dev, 0x8e, &value, 1);
456 /**************************************/
458 reg_w(dev, 0x03, &value, 1);
460 reg_w(dev, ET_PXL_CLK, &value, 1);
462 reg_w(dev, 0x81, &value, 1);
464 reg_w(dev, 0x80, &value, 1);
466 reg_w(dev, 0x81, &value, 1);
468 reg_w(dev, 0x80, &value, 1);
470 reg_w(dev, 0x03, &value, 1);
472 reg_w(dev, 0x03, &value, 1);
474 reg_w(dev, 0x03, &value, 1);
475 /********************************************/
477 /* reg_r(dev,0x0,ET_I2C_BASE,&received,1);
478 always 0x40 as the pas106 ??? */
480 if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].mode) {
481 value = 0x04; /* 320 */
482 reg_w(dev, ET_PXL_CLK, &value, 1);
483 /* now set by fifo the FormatLine setting */
484 reg_w(dev, 0x62, FormLine, 6);
486 /* setting PixelClock
487 0x03 mean 24/(3+1) = 6 Mhz
488 0x05 -> 24/(5+1) = 4 Mhz
489 0x0b -> 24/(11+1) = 2 Mhz
490 0x17 -> 24/(23+1) = 1 Mhz
492 value = 0x1e; /* 0x17 */
493 reg_w(dev, ET_PXL_CLK, &value, 1);
494 /* now set by fifo the FormatLine setting */
495 reg_w(dev, 0x62, FormLine, 6);
498 /* set exposure times [ 0..0x78] 0->longvalue 0x78->shortvalue */
499 value = 0x47; /* 0x47; */
500 reg_w(dev, 0x81, &value, 1);
501 value = 0x40; /* 0x40; */
502 reg_w(dev, 0x80, &value, 1);
504 /* Brightness change Brith+ decrease value */
505 /* Brigth- increase value */
506 /* original value = 0x70; */
507 value = 0x30; /* 0x20; */
508 reg_w(dev, 0x81, &value, 1); /* set brightness */
509 value = 0x20; /* 0x20; */
510 reg_w(dev, 0x80, &value, 1);
513 static void setcolors(struct gspca_dev *gspca_dev)
515 struct sd *sd = (struct sd *) gspca_dev;
516 struct usb_device *dev = gspca_dev->dev;
517 static __u8 I2cc[] = { 0x05, 0x02, 0x02, 0x05, 0x0d };
518 __u8 i2cflags = 0x01;
519 /* __u8 green = 0; */
520 __u8 colors = sd->colors;
522 I2cc[3] = colors; /* red */
523 I2cc[0] = 15 - colors; /* blue */
524 /* green = 15 - ((((7*I2cc[0]) >> 2 ) + I2cc[3]) >> 1); */
525 /* I2cc[1] = I2cc[2] = green; */
526 if (sd->sensor == SENSOR_PAS106) {
527 Et_i2cwrite(dev, PAS106_REG13, &i2cflags, 1, 3);
528 Et_i2cwrite(dev, PAS106_REG9, I2cc, sizeof(I2cc), 1);
530 /* PDEBUG(D_CONF , "Etoms red %d blue %d green %d",
531 I2cc[3], I2cc[0], green); */
534 static void getcolors(struct gspca_dev *gspca_dev)
536 struct sd *sd = (struct sd *) gspca_dev;
537 /* __u8 valblue = 0; */
540 if (sd->sensor == SENSOR_PAS106) {
541 /* Et_i2cread(gspca_dev->dev,PAS106_REG9,&valblue,1,1); */
542 Et_i2cread(gspca_dev->dev, PAS106_REG9 + 3, &valred, 1, 1);
543 sd->colors = valred & 0x0f;
547 static void Et_init1(struct gspca_dev *gspca_dev)
549 struct usb_device *dev = gspca_dev->dev;
551 __u8 received = 0x00;
552 /* __u8 I2c0 [] ={0x0a,0x12,0x05,0x22,0xac,0x00,0x01,0x00}; */
553 __u8 I2c0[] = { 0x0a, 0x12, 0x05, 0x6d, 0xcd, 0x00, 0x01, 0x00 };
554 /* try 1/120 0x6d 0xcd 0x40 */
555 /* __u8 I2c0 [] ={0x0a,0x12,0x05,0xfe,0xfe,0xc0,0x01,0x00};
558 PDEBUG(D_STREAM, "Open Init1 ET");
560 reg_w(dev, ET_GPIO_DIR_CTRL, &value, 1);
561 reg_r(dev, ET_GPIO_IN, &received, 1);
563 reg_w(dev, ET_RESET_ALL, &value, 1);
565 reg_w(dev, ET_RESET_ALL, &value, 1);
567 reg_w(dev, ET_ClCK, &value, 1);
569 reg_w(dev, ET_CTRL, &value, 1);
570 /* compression et subsampling */
571 if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].mode)
572 value = ET_COMP_VAL1;
574 value = ET_COMP_VAL0;
576 PDEBUG(D_STREAM, "Open mode %d Compression %d",
577 gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].mode,
579 reg_w(dev, ET_COMP, &value, 1);
581 reg_w(dev, ET_MAXQt, &value, 1);
583 reg_w(dev, ET_MINQt, &value, 1);
584 /* undocumented registers */
586 reg_w(dev, ET_REG1d, &value, 1);
588 reg_w(dev, ET_REG1e, &value, 1);
590 reg_w(dev, ET_REG1f, &value, 1);
592 reg_w(dev, ET_REG20, &value, 1);
594 reg_w(dev, ET_REG21, &value, 1);
596 reg_w(dev, ET_REG22, &value, 1);
598 reg_w(dev, ET_REG23, &value, 1);
600 reg_w(dev, ET_REG24, &value, 1);
602 reg_w(dev, ET_REG25, &value, 1);
605 reg_w(dev, ET_G_RED, &value, 1);
607 reg_w(dev, ET_G_GREEN1, &value, 1);
609 reg_w(dev, ET_G_BLUE, &value, 1);
611 reg_w(dev, ET_G_GREEN2, &value, 1);
613 reg_w(dev, ET_G_GR_H, &value, 1);
615 reg_w(dev, ET_G_GB_H, &value, 1);
616 /* Window control registers */
618 reg_w(dev, ET_SYNCHRO, &value, 1);
619 value = 0x56; /* 0x56 */
620 reg_w(dev, ET_STARTX, &value, 1);
621 value = 0x05; /* 0x04 */
622 reg_w(dev, ET_STARTY, &value, 1);
624 reg_w(dev, ET_WIDTH_LOW, &value, 1);
626 reg_w(dev, ET_HEIGTH_LOW, &value, 1);
628 reg_w(dev, ET_W_H_HEIGTH, &value, 1);
630 reg_w(dev, ET_REG6e, &value, 1);
632 reg_w(dev, ET_REG6f, &value, 1);
634 reg_w(dev, ET_REG70, &value, 1);
636 reg_w(dev, ET_REG71, &value, 1);
638 reg_w(dev, ET_REG72, &value, 1);
639 /* Clock Pattern registers */
641 reg_w(dev, ET_REG73, &value, 1);
643 reg_w(dev, ET_REG74, &value, 1);
645 reg_w(dev, ET_REG75, &value, 1);
647 reg_w(dev, ET_I2C_CLK, &value, 1);
649 reg_w(dev, ET_PXL_CLK, &value, 1);
651 if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].mode) {
653 Et_i2cwrite(dev, PAS106_REG2, I2c0, sizeof(I2c0), 1);
654 Et_i2cwrite(dev, PAS106_REG9, I2c2, sizeof(I2c2), 1);
656 Et_i2cwrite(dev, PAS106_REG2, &value, 1, 1);
657 Et_i2cwrite(dev, PAS106_REG3, I2c3, sizeof(I2c3), 1);
660 Et_i2cwrite(dev, PAS106_REG0e, &value, 1, 1);
664 Et_i2cwrite(dev, PAS106_REG2, I2c0, sizeof(I2c0), 1);
665 Et_i2cwrite(dev, PAS106_REG9, I2c2, sizeof(I2c2), 1);
668 Et_i2cwrite(dev, PAS106_REG2, &value, 1, 1);
669 Et_i2cwrite(dev, PAS106_REG3, I2c3, sizeof(I2c3), 1);
672 Et_i2cwrite(dev, PAS106_REG0e, &value, 1, 1);
673 /* bit 2 enable bit 1:2 select 0 1 2 3
674 value = 0x07; * curve 0 *
675 Et_i2cwrite(dev,PAS106_REG0f,&value,1,1);
681 /* Et_i2cwrite(dev, PAS106_REG5, &value, 1, 1); */
682 /* magnetude and sign bit for DAC */
683 Et_i2cwrite(dev, PAS106_REG7, I2c4, sizeof I2c4, 1);
684 /* now set by fifo the whole colors setting */
685 reg_w(dev, ET_G_RED, GainRGBG, 6);
686 getcolors(gspca_dev);
687 setcolors(gspca_dev);
690 /* this function is called at probe time */
691 static int sd_config(struct gspca_dev *gspca_dev,
692 const struct usb_device_id *id)
694 struct sd *sd = (struct sd *) gspca_dev;
699 vendor = id->idVendor;
700 product = id->idProduct;
701 /* switch (vendor) { */
702 /* case 0x102c: * Etoms */
705 sd->sensor = SENSOR_PAS106; /* Etoms61x151 */
708 sd->sensor = SENSOR_TAS5130CXX; /* Etoms61x251 */
713 cam = &gspca_dev->cam;
714 cam->dev_name = (char *) id->driver_info;
716 if (sd->sensor == SENSOR_PAS106) {
717 cam->cam_mode = sif_mode;
718 cam->nmodes = sizeof sif_mode / sizeof sif_mode[0];
720 cam->cam_mode = vga_mode;
721 cam->nmodes = sizeof vga_mode / sizeof vga_mode[0];
723 sd->brightness = sd_ctrls[SD_BRIGHTNESS].qctrl.default_value;
724 sd->contrast = sd_ctrls[SD_CONTRAST].qctrl.default_value;
725 sd->colors = sd_ctrls[SD_COLOR].qctrl.default_value;
726 sd->autogain = sd_ctrls[SD_AUTOGAIN].qctrl.default_value;
730 /* this function is called at open time */
731 static int sd_open(struct gspca_dev *gspca_dev)
733 struct sd *sd = (struct sd *) gspca_dev;
734 struct usb_device *dev = gspca_dev->dev;
738 PDEBUG(D_STREAM, "Initialize ET1");
739 if (sd->sensor == SENSOR_PAS106)
744 reg_w(dev, ET_RESET_ALL, &value, 1);
745 err = Et_videoOff(dev);
746 PDEBUG(D_STREAM, "Et_Init_VideoOff %d", err);
750 /* -- start the camera -- */
751 static void sd_start(struct gspca_dev *gspca_dev)
753 struct sd *sd = (struct sd *) gspca_dev;
754 struct usb_device *dev = gspca_dev->dev;
758 if (sd->sensor == SENSOR_PAS106)
764 reg_w(dev, ET_RESET_ALL, &value, 1);
765 err = Et_videoOn(dev);
766 PDEBUG(D_STREAM, "Et_VideoOn %d", err);
769 static void sd_stopN(struct gspca_dev *gspca_dev)
773 err = Et_videoOff(gspca_dev->dev);
774 PDEBUG(D_STREAM, "Et_VideoOff %d", err);
778 static void sd_stop0(struct gspca_dev *gspca_dev)
782 static void sd_close(struct gspca_dev *gspca_dev)
786 static void setbrightness(struct gspca_dev *gspca_dev)
788 struct sd *sd = (struct sd *) gspca_dev;
790 __u8 brightness = sd->brightness;
792 for (i = 0; i < 4; i++)
793 reg_w(gspca_dev->dev, (ET_O_RED + i), &brightness, 1);
796 static void getbrightness(struct gspca_dev *gspca_dev)
798 struct sd *sd = (struct sd *) gspca_dev;
803 for (i = 0; i < 4; i++) {
804 reg_r(gspca_dev->dev, (ET_O_RED + i), &value, 1);
807 sd->brightness = brightness >> 3;
810 static void setcontrast(struct gspca_dev *gspca_dev)
812 struct sd *sd = (struct sd *) gspca_dev;
813 __u8 RGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 };
814 __u8 contrast = sd->contrast;
816 memset(RGBG, contrast, sizeof RGBG - 2);
817 reg_w(gspca_dev->dev, ET_G_RED, RGBG, 6);
820 static void getcontrast(struct gspca_dev *gspca_dev)
822 struct sd *sd = (struct sd *) gspca_dev;
827 for (i = 0; i < 4; i++) {
828 reg_r(gspca_dev->dev, (ET_G_RED + i), &value, 1);
831 sd->contrast = contrast >> 2;
834 static __u8 Et_getgainG(struct gspca_dev *gspca_dev)
836 struct sd *sd = (struct sd *) gspca_dev;
839 if (sd->sensor == SENSOR_PAS106) {
840 Et_i2cread(gspca_dev->dev, PAS106_REG0e, &value, 1, 1);
841 PDEBUG(D_CONF, "Etoms gain G %d", value);
847 static void Et_setgainG(struct gspca_dev *gspca_dev, __u8 gain)
849 struct sd *sd = (struct sd *) gspca_dev;
850 struct usb_device *dev = gspca_dev->dev;
851 __u8 i2cflags = 0x01;
853 if (sd->sensor == SENSOR_PAS106) {
854 Et_i2cwrite(dev, PAS106_REG13, &i2cflags, 1, 3);
855 Et_i2cwrite(dev, PAS106_REG0e, &gain, 1, 1);
859 #define BLIMIT(bright) \
860 (__u8)((bright > 0x1f)?0x1f:((bright < 4)?3:bright))
861 #define LIMIT(color) \
862 (unsigned char)((color > 0xff)?0xff:((color < 0)?0:color))
864 static void setautogain(struct gspca_dev *gspca_dev)
866 struct usb_device *dev = gspca_dev->dev;
867 __u8 GRBG[] = { 0, 0, 0, 0 };
869 __u8 luma_mean = 128;
870 __u8 luma_delta = 20;
875 Gbright = Et_getgainG(gspca_dev);
876 reg_r(dev, ET_LUMA_CENTER, GRBG, 4);
877 g = (GRBG[0] + GRBG[3]) >> 1;
880 r = ((r << 8) - (r << 4) - (r << 3)) >> 10;
881 b = ((b << 7) >> 10);
882 g = ((g << 9) + (g << 7) + (g << 5)) >> 10;
883 luma = LIMIT(r + g + b);
884 PDEBUG(D_FRAM, "Etoms luma G %d", luma);
885 if (luma < luma_mean - luma_delta || luma > luma_mean + luma_delta) {
886 Gbright += (luma_mean - luma) >> spring;
887 Gbright = BLIMIT(Gbright);
888 PDEBUG(D_FRAM, "Etoms Gbright %d", Gbright);
889 Et_setgainG(gspca_dev, (__u8) Gbright);
896 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
897 struct gspca_frame *frame, /* target */
898 unsigned char *data, /* isoc packet */
899 int len) /* iso packet length */
904 seqframe = data[0] & 0x3f;
905 len = (int) (((data[0] & 0xc0) << 2) | data[1]);
906 if (seqframe == 0x3f) {
908 "header packet found datalength %d !!", len);
909 PDEBUG(D_FRAM, "G %d R %d G %d B %d",
910 data[2], data[3], data[4], data[5]);
912 /* don't change datalength as the chips provided it */
913 frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
915 gspca_frame_add(gspca_dev, FIRST_PACKET, frame, data, len);
916 sd = (struct sd *) gspca_dev;
917 if (sd->ag_cnt >= 0) {
918 if (--sd->ag_cnt < 0) {
919 sd->ag_cnt = AG_CNT_START;
920 setautogain(gspca_dev);
927 gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
928 } else { /* Drop Packet */
929 gspca_dev->last_packet_type = DISCARD_PACKET;
933 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
935 struct sd *sd = (struct sd *) gspca_dev;
937 sd->brightness = val;
938 if (gspca_dev->streaming)
939 setbrightness(gspca_dev);
943 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
945 struct sd *sd = (struct sd *) gspca_dev;
947 getbrightness(gspca_dev);
948 *val = sd->brightness;
952 static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
954 struct sd *sd = (struct sd *) gspca_dev;
957 if (gspca_dev->streaming)
958 setcontrast(gspca_dev);
962 static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
964 struct sd *sd = (struct sd *) gspca_dev;
966 getcontrast(gspca_dev);
971 static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val)
973 struct sd *sd = (struct sd *) gspca_dev;
976 if (gspca_dev->streaming)
977 setcolors(gspca_dev);
981 static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val)
983 struct sd *sd = (struct sd *) gspca_dev;
985 getcolors(gspca_dev);
990 static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
992 struct sd *sd = (struct sd *) gspca_dev;
996 sd->ag_cnt = AG_CNT_START;
1002 static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
1004 struct sd *sd = (struct sd *) gspca_dev;
1006 *val = sd->autogain;
1010 /* sub-driver description */
1011 static struct sd_desc sd_desc = {
1012 .name = MODULE_NAME,
1014 .nctrls = ARRAY_SIZE(sd_ctrls),
1015 .config = sd_config,
1021 .pkt_scan = sd_pkt_scan,
1024 /* -- module initialisation -- */
1025 #define DVNM(name) .driver_info = (kernel_ulong_t) name
1026 static __devinitdata struct usb_device_id device_table[] = {
1027 {USB_DEVICE(0x102c, 0x6151), DVNM("Qcam Sangha CIF")},
1028 {USB_DEVICE(0x102c, 0x6251), DVNM("Qcam xxxxxx VGA")},
1032 MODULE_DEVICE_TABLE(usb, device_table);
1034 /* -- device connect -- */
1035 static int sd_probe(struct usb_interface *intf,
1036 const struct usb_device_id *id)
1038 return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1042 static struct usb_driver sd_driver = {
1043 .name = MODULE_NAME,
1044 .id_table = device_table,
1046 .disconnect = gspca_disconnect,
1049 /* -- module insert / remove -- */
1050 static int __init sd_mod_init(void)
1052 if (usb_register(&sd_driver) < 0)
1054 PDEBUG(D_PROBE, "v%s registered", version);
1058 static void __exit sd_mod_exit(void)
1060 usb_deregister(&sd_driver);
1061 PDEBUG(D_PROBE, "deregistered");
1064 module_init(sd_mod_init);
1065 module_exit(sd_mod_exit);