1 /*
2 * Etoms Et61x151 GPL Linux driver by Michel Xhaard (09/09/2004)
3 *
4 * V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
5 *
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
9 * any later version.
10 *
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.
15 *
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
19 */
20
21 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
22
23 #define MODULE_NAME "etoms"
24
25 #include "gspca.h"
26
27 MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
28 MODULE_DESCRIPTION("Etoms USB Camera Driver");
29 MODULE_LICENSE("GPL");
30
31 /* specific webcam descriptor */
32 struct sd {
33 struct gspca_dev gspca_dev; /* !! must be the first item */
34
35 unsigned char brightness;
36 unsigned char contrast;
37 unsigned char colors;
38 unsigned char autogain;
39
40 char sensor;
41 #define SENSOR_PAS106 0
42 #define SENSOR_TAS5130CXX 1
43 signed char ag_cnt;
44 #define AG_CNT_START 13
45 };
46
47 /* V4L2 controls supported by the driver */
48 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
49 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
50 static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
51 static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);
52 static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val);
53 static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val);
54 static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val);
55 static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val);
56
57 static const struct ctrl sd_ctrls[] = {
58 {
59 {
60 .id = V4L2_CID_BRIGHTNESS,
61 .type = V4L2_CTRL_TYPE_INTEGER,
62 .name = "Brightness",
63 .minimum = 1,
64 .maximum = 127,
65 .step = 1,
66 #define BRIGHTNESS_DEF 63
67 .default_value = BRIGHTNESS_DEF,
68 },
69 .set = sd_setbrightness,
70 .get = sd_getbrightness,
71 },
72 {
73 {
74 .id = V4L2_CID_CONTRAST,
75 .type = V4L2_CTRL_TYPE_INTEGER,
76 .name = "Contrast",
77 .minimum = 0,
78 .maximum = 255,
79 .step = 1,
80 #define CONTRAST_DEF 127
81 .default_value = CONTRAST_DEF,
82 },
83 .set = sd_setcontrast,
84 .get = sd_getcontrast,
85 },
86 #define COLOR_IDX 2
87 {
88 {
89 .id = V4L2_CID_SATURATION,
90 .type = V4L2_CTRL_TYPE_INTEGER,
91 .name = "Color",
92 .minimum = 0,
93 .maximum = 15,
94 .step = 1,
95 #define COLOR_DEF 7
96 .default_value = COLOR_DEF,
97 },
98 .set = sd_setcolors,
99 .get = sd_getcolors,
100 },
101 {
102 {
103 .id = V4L2_CID_AUTOGAIN,
104 .type = V4L2_CTRL_TYPE_BOOLEAN,
105 .name = "Auto Gain",
106 .minimum = 0,
107 .maximum = 1,
108 .step = 1,
109 #define AUTOGAIN_DEF 1
110 .default_value = AUTOGAIN_DEF,
111 },
112 .set = sd_setautogain,
113 .get = sd_getautogain,
114 },
115 };
116
117 static const struct v4l2_pix_format vga_mode[] = {
118 {320, 240, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
119 .bytesperline = 320,
120 .sizeimage = 320 * 240,
121 .colorspace = V4L2_COLORSPACE_SRGB,
122 .priv = 1},
123 /* {640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
124 .bytesperline = 640,
125 .sizeimage = 640 * 480,
126 .colorspace = V4L2_COLORSPACE_SRGB,
127 .priv = 0}, */
128 };
129
130 static const struct v4l2_pix_format sif_mode[] = {
131 {176, 144, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
132 .bytesperline = 176,
133 .sizeimage = 176 * 144,
134 .colorspace = V4L2_COLORSPACE_SRGB,
135 .priv = 1},
136 {352, 288, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
137 .bytesperline = 352,
138 .sizeimage = 352 * 288,
139 .colorspace = V4L2_COLORSPACE_SRGB,
140 .priv = 0},
141 };
142
143 #define ETOMS_ALT_SIZE_1000 12
144
145 #define ET_GPIO_DIR_CTRL 0x04 /* Control IO bit[0..5] (0 in 1 out) */
146 #define ET_GPIO_OUT 0x05 /* Only IO data */
147 #define ET_GPIO_IN 0x06 /* Read Only IO data */
148 #define ET_RESET_ALL 0x03
149 #define ET_ClCK 0x01
150 #define ET_CTRL 0x02 /* enable i2c OutClck Powerdown mode */
151
152 #define ET_COMP 0x12 /* Compression register */
153 #define ET_MAXQt 0x13
154 #define ET_MINQt 0x14
155 #define ET_COMP_VAL0 0x02
156 #define ET_COMP_VAL1 0x03
157
158 #define ET_REG1d 0x1d
159 #define ET_REG1e 0x1e
160 #define ET_REG1f 0x1f
161 #define ET_REG20 0x20
162 #define ET_REG21 0x21
163 #define ET_REG22 0x22
164 #define ET_REG23 0x23
165 #define ET_REG24 0x24
166 #define ET_REG25 0x25
167 /* base registers for luma calculation */
168 #define ET_LUMA_CENTER 0x39
169
170 #define ET_G_RED 0x4d
171 #define ET_G_GREEN1 0x4e
172 #define ET_G_BLUE 0x4f
173 #define ET_G_GREEN2 0x50
174 #define ET_G_GR_H 0x51
175 #define ET_G_GB_H 0x52
176
177 #define ET_O_RED 0x34
178 #define ET_O_GREEN1 0x35
179 #define ET_O_BLUE 0x36
180 #define ET_O_GREEN2 0x37
181
182 #define ET_SYNCHRO 0x68
183 #define ET_STARTX 0x69
184 #define ET_STARTY 0x6a
185 #define ET_WIDTH_LOW 0x6b
186 #define ET_HEIGTH_LOW 0x6c
187 #define ET_W_H_HEIGTH 0x6d
188
189 #define ET_REG6e 0x6e /* OBW */
190 #define ET_REG6f 0x6f /* OBW */
191 #define ET_REG70 0x70 /* OBW_AWB */
192 #define ET_REG71 0x71 /* OBW_AWB */
193 #define ET_REG72 0x72 /* OBW_AWB */
194 #define ET_REG73 0x73 /* Clkdelay ns */
195 #define ET_REG74 0x74 /* test pattern */
196 #define ET_REG75 0x75 /* test pattern */
197
198 #define ET_I2C_CLK 0x8c
199 #define ET_PXL_CLK 0x60
200
201 #define ET_I2C_BASE 0x89
202 #define ET_I2C_COUNT 0x8a
203 #define ET_I2C_PREFETCH 0x8b
204 #define ET_I2C_REG 0x88
205 #define ET_I2C_DATA7 0x87
206 #define ET_I2C_DATA6 0x86
207 #define ET_I2C_DATA5 0x85
208 #define ET_I2C_DATA4 0x84
209 #define ET_I2C_DATA3 0x83
210 #define ET_I2C_DATA2 0x82
211 #define ET_I2C_DATA1 0x81
212 #define ET_I2C_DATA0 0x80
213
214 #define PAS106_REG2 0x02 /* pxlClk = systemClk/(reg2) */
215 #define PAS106_REG3 0x03 /* line/frame H [11..4] */
216 #define PAS106_REG4 0x04 /* line/frame L [3..0] */
217 #define PAS106_REG5 0x05 /* exposure time line offset(default 5) */
218 #define PAS106_REG6 0x06 /* exposure time pixel offset(default 6) */
219 #define PAS106_REG7 0x07 /* signbit Dac (default 0) */
220 #define PAS106_REG9 0x09
221 #define PAS106_REG0e 0x0e /* global gain [4..0](default 0x0e) */
222 #define PAS106_REG13 0x13 /* end i2c write */
223
224 static const __u8 GainRGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 };
225
226 static const __u8 I2c2[] = { 0x08, 0x08, 0x08, 0x08, 0x0d };
227
228 static const __u8 I2c3[] = { 0x12, 0x05 };
229
230 static const __u8 I2c4[] = { 0x41, 0x08 };
231
232 /* read 'len' bytes to gspca_dev->usb_buf */
reg_r(struct gspca_dev * gspca_dev,__u16 index,__u16 len)233 static void reg_r(struct gspca_dev *gspca_dev,
234 __u16 index,
235 __u16 len)
236 {
237 struct usb_device *dev = gspca_dev->dev;
238
239 #ifdef GSPCA_DEBUG
240 if (len > USB_BUF_SZ) {
241 pr_err("reg_r: buffer overflow\n");
242 return;
243 }
244 #endif
245 usb_control_msg(dev,
246 usb_rcvctrlpipe(dev, 0),
247 0,
248 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
249 0,
250 index, gspca_dev->usb_buf, len, 500);
251 PDEBUG(D_USBI, "reg read [%02x] -> %02x ..",
252 index, gspca_dev->usb_buf[0]);
253 }
254
reg_w_val(struct gspca_dev * gspca_dev,__u16 index,__u8 val)255 static void reg_w_val(struct gspca_dev *gspca_dev,
256 __u16 index,
257 __u8 val)
258 {
259 struct usb_device *dev = gspca_dev->dev;
260
261 gspca_dev->usb_buf[0] = val;
262 usb_control_msg(dev,
263 usb_sndctrlpipe(dev, 0),
264 0,
265 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
266 0,
267 index, gspca_dev->usb_buf, 1, 500);
268 }
269
reg_w(struct gspca_dev * gspca_dev,__u16 index,const __u8 * buffer,__u16 len)270 static void reg_w(struct gspca_dev *gspca_dev,
271 __u16 index,
272 const __u8 *buffer,
273 __u16 len)
274 {
275 struct usb_device *dev = gspca_dev->dev;
276
277 #ifdef GSPCA_DEBUG
278 if (len > USB_BUF_SZ) {
279 pr_err("reg_w: buffer overflow\n");
280 return;
281 }
282 PDEBUG(D_USBO, "reg write [%02x] = %02x..", index, *buffer);
283 #endif
284 memcpy(gspca_dev->usb_buf, buffer, len);
285 usb_control_msg(dev,
286 usb_sndctrlpipe(dev, 0),
287 0,
288 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
289 0, index, gspca_dev->usb_buf, len, 500);
290 }
291
i2c_w(struct gspca_dev * gspca_dev,__u8 reg,const __u8 * buffer,int len,__u8 mode)292 static int i2c_w(struct gspca_dev *gspca_dev,
293 __u8 reg,
294 const __u8 *buffer,
295 int len, __u8 mode)
296 {
297 /* buffer should be [D0..D7] */
298 __u8 ptchcount;
299
300 /* set the base address */
301 reg_w_val(gspca_dev, ET_I2C_BASE, 0x40);
302 /* sensor base for the pas106 */
303 /* set count and prefetch */
304 ptchcount = ((len & 0x07) << 4) | (mode & 0x03);
305 reg_w_val(gspca_dev, ET_I2C_COUNT, ptchcount);
306 /* set the register base */
307 reg_w_val(gspca_dev, ET_I2C_REG, reg);
308 while (--len >= 0)
309 reg_w_val(gspca_dev, ET_I2C_DATA0 + len, buffer[len]);
310 return 0;
311 }
312
i2c_r(struct gspca_dev * gspca_dev,__u8 reg)313 static int i2c_r(struct gspca_dev *gspca_dev,
314 __u8 reg)
315 {
316 /* set the base address */
317 reg_w_val(gspca_dev, ET_I2C_BASE, 0x40);
318 /* sensor base for the pas106 */
319 /* set count and prefetch (cnd: 4 bits - mode: 4 bits) */
320 reg_w_val(gspca_dev, ET_I2C_COUNT, 0x11);
321 reg_w_val(gspca_dev, ET_I2C_REG, reg); /* set the register base */
322 reg_w_val(gspca_dev, ET_I2C_PREFETCH, 0x02); /* prefetch */
323 reg_w_val(gspca_dev, ET_I2C_PREFETCH, 0x00);
324 reg_r(gspca_dev, ET_I2C_DATA0, 1); /* read one byte */
325 return 0;
326 }
327
Et_WaitStatus(struct gspca_dev * gspca_dev)328 static int Et_WaitStatus(struct gspca_dev *gspca_dev)
329 {
330 int retry = 10;
331
332 while (retry--) {
333 reg_r(gspca_dev, ET_ClCK, 1);
334 if (gspca_dev->usb_buf[0] != 0)
335 return 1;
336 }
337 return 0;
338 }
339
et_video(struct gspca_dev * gspca_dev,int on)340 static int et_video(struct gspca_dev *gspca_dev,
341 int on)
342 {
343 int ret;
344
345 reg_w_val(gspca_dev, ET_GPIO_OUT,
346 on ? 0x10 /* startvideo - set Bit5 */
347 : 0); /* stopvideo */
348 ret = Et_WaitStatus(gspca_dev);
349 if (ret != 0)
350 PDEBUG(D_ERR, "timeout video on/off");
351 return ret;
352 }
353
Et_init2(struct gspca_dev * gspca_dev)354 static void Et_init2(struct gspca_dev *gspca_dev)
355 {
356 __u8 value;
357 static const __u8 FormLine[] = { 0x84, 0x03, 0x14, 0xf4, 0x01, 0x05 };
358
359 PDEBUG(D_STREAM, "Open Init2 ET");
360 reg_w_val(gspca_dev, ET_GPIO_DIR_CTRL, 0x2f);
361 reg_w_val(gspca_dev, ET_GPIO_OUT, 0x10);
362 reg_r(gspca_dev, ET_GPIO_IN, 1);
363 reg_w_val(gspca_dev, ET_ClCK, 0x14); /* 0x14 // 0x16 enabled pattern */
364 reg_w_val(gspca_dev, ET_CTRL, 0x1b);
365
366 /* compression et subsampling */
367 if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv)
368 value = ET_COMP_VAL1; /* 320 */
369 else
370 value = ET_COMP_VAL0; /* 640 */
371 reg_w_val(gspca_dev, ET_COMP, value);
372 reg_w_val(gspca_dev, ET_MAXQt, 0x1f);
373 reg_w_val(gspca_dev, ET_MINQt, 0x04);
374 /* undocumented registers */
375 reg_w_val(gspca_dev, ET_REG1d, 0xff);
376 reg_w_val(gspca_dev, ET_REG1e, 0xff);
377 reg_w_val(gspca_dev, ET_REG1f, 0xff);
378 reg_w_val(gspca_dev, ET_REG20, 0x35);
379 reg_w_val(gspca_dev, ET_REG21, 0x01);
380 reg_w_val(gspca_dev, ET_REG22, 0x00);
381 reg_w_val(gspca_dev, ET_REG23, 0xff);
382 reg_w_val(gspca_dev, ET_REG24, 0xff);
383 reg_w_val(gspca_dev, ET_REG25, 0x0f);
384 /* colors setting */
385 reg_w_val(gspca_dev, 0x30, 0x11); /* 0x30 */
386 reg_w_val(gspca_dev, 0x31, 0x40);
387 reg_w_val(gspca_dev, 0x32, 0x00);
388 reg_w_val(gspca_dev, ET_O_RED, 0x00); /* 0x34 */
389 reg_w_val(gspca_dev, ET_O_GREEN1, 0x00);
390 reg_w_val(gspca_dev, ET_O_BLUE, 0x00);
391 reg_w_val(gspca_dev, ET_O_GREEN2, 0x00);
392 /*************/
393 reg_w_val(gspca_dev, ET_G_RED, 0x80); /* 0x4d */
394 reg_w_val(gspca_dev, ET_G_GREEN1, 0x80);
395 reg_w_val(gspca_dev, ET_G_BLUE, 0x80);
396 reg_w_val(gspca_dev, ET_G_GREEN2, 0x80);
397 reg_w_val(gspca_dev, ET_G_GR_H, 0x00);
398 reg_w_val(gspca_dev, ET_G_GB_H, 0x00); /* 0x52 */
399 /* Window control registers */
400 reg_w_val(gspca_dev, 0x61, 0x80); /* use cmc_out */
401 reg_w_val(gspca_dev, 0x62, 0x02);
402 reg_w_val(gspca_dev, 0x63, 0x03);
403 reg_w_val(gspca_dev, 0x64, 0x14);
404 reg_w_val(gspca_dev, 0x65, 0x0e);
405 reg_w_val(gspca_dev, 0x66, 0x02);
406 reg_w_val(gspca_dev, 0x67, 0x02);
407
408 /**************************************/
409 reg_w_val(gspca_dev, ET_SYNCHRO, 0x8f); /* 0x68 */
410 reg_w_val(gspca_dev, ET_STARTX, 0x69); /* 0x6a //0x69 */
411 reg_w_val(gspca_dev, ET_STARTY, 0x0d); /* 0x0d //0x0c */
412 reg_w_val(gspca_dev, ET_WIDTH_LOW, 0x80);
413 reg_w_val(gspca_dev, ET_HEIGTH_LOW, 0xe0);
414 reg_w_val(gspca_dev, ET_W_H_HEIGTH, 0x60); /* 6d */
415 reg_w_val(gspca_dev, ET_REG6e, 0x86);
416 reg_w_val(gspca_dev, ET_REG6f, 0x01);
417 reg_w_val(gspca_dev, ET_REG70, 0x26);
418 reg_w_val(gspca_dev, ET_REG71, 0x7a);
419 reg_w_val(gspca_dev, ET_REG72, 0x01);
420 /* Clock Pattern registers ***************** */
421 reg_w_val(gspca_dev, ET_REG73, 0x00);
422 reg_w_val(gspca_dev, ET_REG74, 0x18); /* 0x28 */
423 reg_w_val(gspca_dev, ET_REG75, 0x0f); /* 0x01 */
424 /**********************************************/
425 reg_w_val(gspca_dev, 0x8a, 0x20);
426 reg_w_val(gspca_dev, 0x8d, 0x0f);
427 reg_w_val(gspca_dev, 0x8e, 0x08);
428 /**************************************/
429 reg_w_val(gspca_dev, 0x03, 0x08);
430 reg_w_val(gspca_dev, ET_PXL_CLK, 0x03);
431 reg_w_val(gspca_dev, 0x81, 0xff);
432 reg_w_val(gspca_dev, 0x80, 0x00);
433 reg_w_val(gspca_dev, 0x81, 0xff);
434 reg_w_val(gspca_dev, 0x80, 0x20);
435 reg_w_val(gspca_dev, 0x03, 0x01);
436 reg_w_val(gspca_dev, 0x03, 0x00);
437 reg_w_val(gspca_dev, 0x03, 0x08);
438 /********************************************/
439
440 /* reg_r(gspca_dev, ET_I2C_BASE, 1);
441 always 0x40 as the pas106 ??? */
442 /* set the sensor */
443 if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv)
444 value = 0x04; /* 320 */
445 else /* 640 */
446 value = 0x1e; /* 0x17 * setting PixelClock
447 * 0x03 mean 24/(3+1) = 6 Mhz
448 * 0x05 -> 24/(5+1) = 4 Mhz
449 * 0x0b -> 24/(11+1) = 2 Mhz
450 * 0x17 -> 24/(23+1) = 1 Mhz
451 */
452 reg_w_val(gspca_dev, ET_PXL_CLK, value);
453 /* now set by fifo the FormatLine setting */
454 reg_w(gspca_dev, 0x62, FormLine, 6);
455
456 /* set exposure times [ 0..0x78] 0->longvalue 0x78->shortvalue */
457 reg_w_val(gspca_dev, 0x81, 0x47); /* 0x47; */
458 reg_w_val(gspca_dev, 0x80, 0x40); /* 0x40; */
459 /* Pedro change */
460 /* Brightness change Brith+ decrease value */
461 /* Brigth- increase value */
462 /* original value = 0x70; */
463 reg_w_val(gspca_dev, 0x81, 0x30); /* 0x20; - set brightness */
464 reg_w_val(gspca_dev, 0x80, 0x20); /* 0x20; */
465 }
466
setbrightness(struct gspca_dev * gspca_dev)467 static void setbrightness(struct gspca_dev *gspca_dev)
468 {
469 struct sd *sd = (struct sd *) gspca_dev;
470 int i;
471 __u8 brightness = sd->brightness;
472
473 for (i = 0; i < 4; i++)
474 reg_w_val(gspca_dev, ET_O_RED + i, brightness);
475 }
476
setcontrast(struct gspca_dev * gspca_dev)477 static void setcontrast(struct gspca_dev *gspca_dev)
478 {
479 struct sd *sd = (struct sd *) gspca_dev;
480 __u8 RGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 };
481 __u8 contrast = sd->contrast;
482
483 memset(RGBG, contrast, sizeof(RGBG) - 2);
484 reg_w(gspca_dev, ET_G_RED, RGBG, 6);
485 }
486
setcolors(struct gspca_dev * gspca_dev)487 static void setcolors(struct gspca_dev *gspca_dev)
488 {
489 struct sd *sd = (struct sd *) gspca_dev;
490 __u8 I2cc[] = { 0x05, 0x02, 0x02, 0x05, 0x0d };
491 __u8 i2cflags = 0x01;
492 /* __u8 green = 0; */
493 __u8 colors = sd->colors;
494
495 I2cc[3] = colors; /* red */
496 I2cc[0] = 15 - colors; /* blue */
497 /* green = 15 - ((((7*I2cc[0]) >> 2 ) + I2cc[3]) >> 1); */
498 /* I2cc[1] = I2cc[2] = green; */
499 if (sd->sensor == SENSOR_PAS106) {
500 i2c_w(gspca_dev, PAS106_REG13, &i2cflags, 1, 3);
501 i2c_w(gspca_dev, PAS106_REG9, I2cc, sizeof I2cc, 1);
502 }
503 /* PDEBUG(D_CONF , "Etoms red %d blue %d green %d",
504 I2cc[3], I2cc[0], green); */
505 }
506
getcolors(struct gspca_dev * gspca_dev)507 static void getcolors(struct gspca_dev *gspca_dev)
508 {
509 struct sd *sd = (struct sd *) gspca_dev;
510
511 if (sd->sensor == SENSOR_PAS106) {
512 /* i2c_r(gspca_dev, PAS106_REG9); * blue */
513 i2c_r(gspca_dev, PAS106_REG9 + 3); /* red */
514 sd->colors = gspca_dev->usb_buf[0] & 0x0f;
515 }
516 }
517
setautogain(struct gspca_dev * gspca_dev)518 static void setautogain(struct gspca_dev *gspca_dev)
519 {
520 struct sd *sd = (struct sd *) gspca_dev;
521
522 if (sd->autogain)
523 sd->ag_cnt = AG_CNT_START;
524 else
525 sd->ag_cnt = -1;
526 }
527
Et_init1(struct gspca_dev * gspca_dev)528 static void Et_init1(struct gspca_dev *gspca_dev)
529 {
530 __u8 value;
531 /* __u8 I2c0 [] = {0x0a, 0x12, 0x05, 0x22, 0xac, 0x00, 0x01, 0x00}; */
532 __u8 I2c0[] = { 0x0a, 0x12, 0x05, 0x6d, 0xcd, 0x00, 0x01, 0x00 };
533 /* try 1/120 0x6d 0xcd 0x40 */
534 /* __u8 I2c0 [] = {0x0a, 0x12, 0x05, 0xfe, 0xfe, 0xc0, 0x01, 0x00};
535 * 1/60000 hmm ?? */
536
537 PDEBUG(D_STREAM, "Open Init1 ET");
538 reg_w_val(gspca_dev, ET_GPIO_DIR_CTRL, 7);
539 reg_r(gspca_dev, ET_GPIO_IN, 1);
540 reg_w_val(gspca_dev, ET_RESET_ALL, 1);
541 reg_w_val(gspca_dev, ET_RESET_ALL, 0);
542 reg_w_val(gspca_dev, ET_ClCK, 0x10);
543 reg_w_val(gspca_dev, ET_CTRL, 0x19);
544 /* compression et subsampling */
545 if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv)
546 value = ET_COMP_VAL1;
547 else
548 value = ET_COMP_VAL0;
549 PDEBUG(D_STREAM, "Open mode %d Compression %d",
550 gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv,
551 value);
552 reg_w_val(gspca_dev, ET_COMP, value);
553 reg_w_val(gspca_dev, ET_MAXQt, 0x1d);
554 reg_w_val(gspca_dev, ET_MINQt, 0x02);
555 /* undocumented registers */
556 reg_w_val(gspca_dev, ET_REG1d, 0xff);
557 reg_w_val(gspca_dev, ET_REG1e, 0xff);
558 reg_w_val(gspca_dev, ET_REG1f, 0xff);
559 reg_w_val(gspca_dev, ET_REG20, 0x35);
560 reg_w_val(gspca_dev, ET_REG21, 0x01);
561 reg_w_val(gspca_dev, ET_REG22, 0x00);
562 reg_w_val(gspca_dev, ET_REG23, 0xf7);
563 reg_w_val(gspca_dev, ET_REG24, 0xff);
564 reg_w_val(gspca_dev, ET_REG25, 0x07);
565 /* colors setting */
566 reg_w_val(gspca_dev, ET_G_RED, 0x80);
567 reg_w_val(gspca_dev, ET_G_GREEN1, 0x80);
568 reg_w_val(gspca_dev, ET_G_BLUE, 0x80);
569 reg_w_val(gspca_dev, ET_G_GREEN2, 0x80);
570 reg_w_val(gspca_dev, ET_G_GR_H, 0x00);
571 reg_w_val(gspca_dev, ET_G_GB_H, 0x00);
572 /* Window control registers */
573 reg_w_val(gspca_dev, ET_SYNCHRO, 0xf0);
574 reg_w_val(gspca_dev, ET_STARTX, 0x56); /* 0x56 */
575 reg_w_val(gspca_dev, ET_STARTY, 0x05); /* 0x04 */
576 reg_w_val(gspca_dev, ET_WIDTH_LOW, 0x60);
577 reg_w_val(gspca_dev, ET_HEIGTH_LOW, 0x20);
578 reg_w_val(gspca_dev, ET_W_H_HEIGTH, 0x50);
579 reg_w_val(gspca_dev, ET_REG6e, 0x86);
580 reg_w_val(gspca_dev, ET_REG6f, 0x01);
581 reg_w_val(gspca_dev, ET_REG70, 0x86);
582 reg_w_val(gspca_dev, ET_REG71, 0x14);
583 reg_w_val(gspca_dev, ET_REG72, 0x00);
584 /* Clock Pattern registers */
585 reg_w_val(gspca_dev, ET_REG73, 0x00);
586 reg_w_val(gspca_dev, ET_REG74, 0x00);
587 reg_w_val(gspca_dev, ET_REG75, 0x0a);
588 reg_w_val(gspca_dev, ET_I2C_CLK, 0x04);
589 reg_w_val(gspca_dev, ET_PXL_CLK, 0x01);
590 /* set the sensor */
591 if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) {
592 I2c0[0] = 0x06;
593 i2c_w(gspca_dev, PAS106_REG2, I2c0, sizeof I2c0, 1);
594 i2c_w(gspca_dev, PAS106_REG9, I2c2, sizeof I2c2, 1);
595 value = 0x06;
596 i2c_w(gspca_dev, PAS106_REG2, &value, 1, 1);
597 i2c_w(gspca_dev, PAS106_REG3, I2c3, sizeof I2c3, 1);
598 /* value = 0x1f; */
599 value = 0x04;
600 i2c_w(gspca_dev, PAS106_REG0e, &value, 1, 1);
601 } else {
602 I2c0[0] = 0x0a;
603
604 i2c_w(gspca_dev, PAS106_REG2, I2c0, sizeof I2c0, 1);
605 i2c_w(gspca_dev, PAS106_REG9, I2c2, sizeof I2c2, 1);
606 value = 0x0a;
607 i2c_w(gspca_dev, PAS106_REG2, &value, 1, 1);
608 i2c_w(gspca_dev, PAS106_REG3, I2c3, sizeof I2c3, 1);
609 value = 0x04;
610 /* value = 0x10; */
611 i2c_w(gspca_dev, PAS106_REG0e, &value, 1, 1);
612 /* bit 2 enable bit 1:2 select 0 1 2 3
613 value = 0x07; * curve 0 *
614 i2c_w(gspca_dev, PAS106_REG0f, &value, 1, 1);
615 */
616 }
617
618 /* value = 0x01; */
619 /* value = 0x22; */
620 /* i2c_w(gspca_dev, PAS106_REG5, &value, 1, 1); */
621 /* magnetude and sign bit for DAC */
622 i2c_w(gspca_dev, PAS106_REG7, I2c4, sizeof I2c4, 1);
623 /* now set by fifo the whole colors setting */
624 reg_w(gspca_dev, ET_G_RED, GainRGBG, 6);
625 getcolors(gspca_dev);
626 setcolors(gspca_dev);
627 }
628
629 /* this function is called at probe time */
sd_config(struct gspca_dev * gspca_dev,const struct usb_device_id * id)630 static int sd_config(struct gspca_dev *gspca_dev,
631 const struct usb_device_id *id)
632 {
633 struct sd *sd = (struct sd *) gspca_dev;
634 struct cam *cam;
635
636 cam = &gspca_dev->cam;
637 sd->sensor = id->driver_info;
638 if (sd->sensor == SENSOR_PAS106) {
639 cam->cam_mode = sif_mode;
640 cam->nmodes = ARRAY_SIZE(sif_mode);
641 } else {
642 cam->cam_mode = vga_mode;
643 cam->nmodes = ARRAY_SIZE(vga_mode);
644 gspca_dev->ctrl_dis = (1 << COLOR_IDX);
645 }
646 sd->brightness = BRIGHTNESS_DEF;
647 sd->contrast = CONTRAST_DEF;
648 sd->colors = COLOR_DEF;
649 sd->autogain = AUTOGAIN_DEF;
650 sd->ag_cnt = -1;
651 return 0;
652 }
653
654 /* this function is called at probe and resume time */
sd_init(struct gspca_dev * gspca_dev)655 static int sd_init(struct gspca_dev *gspca_dev)
656 {
657 struct sd *sd = (struct sd *) gspca_dev;
658
659 if (sd->sensor == SENSOR_PAS106)
660 Et_init1(gspca_dev);
661 else
662 Et_init2(gspca_dev);
663 reg_w_val(gspca_dev, ET_RESET_ALL, 0x08);
664 et_video(gspca_dev, 0); /* video off */
665 return 0;
666 }
667
668 /* -- start the camera -- */
sd_start(struct gspca_dev * gspca_dev)669 static int sd_start(struct gspca_dev *gspca_dev)
670 {
671 struct sd *sd = (struct sd *) gspca_dev;
672
673 if (sd->sensor == SENSOR_PAS106)
674 Et_init1(gspca_dev);
675 else
676 Et_init2(gspca_dev);
677
678 setautogain(gspca_dev);
679
680 reg_w_val(gspca_dev, ET_RESET_ALL, 0x08);
681 et_video(gspca_dev, 1); /* video on */
682 return 0;
683 }
684
sd_stopN(struct gspca_dev * gspca_dev)685 static void sd_stopN(struct gspca_dev *gspca_dev)
686 {
687 et_video(gspca_dev, 0); /* video off */
688 }
689
Et_getgainG(struct gspca_dev * gspca_dev)690 static __u8 Et_getgainG(struct gspca_dev *gspca_dev)
691 {
692 struct sd *sd = (struct sd *) gspca_dev;
693
694 if (sd->sensor == SENSOR_PAS106) {
695 i2c_r(gspca_dev, PAS106_REG0e);
696 PDEBUG(D_CONF, "Etoms gain G %d", gspca_dev->usb_buf[0]);
697 return gspca_dev->usb_buf[0];
698 }
699 return 0x1f;
700 }
701
Et_setgainG(struct gspca_dev * gspca_dev,__u8 gain)702 static void Et_setgainG(struct gspca_dev *gspca_dev, __u8 gain)
703 {
704 struct sd *sd = (struct sd *) gspca_dev;
705
706 if (sd->sensor == SENSOR_PAS106) {
707 __u8 i2cflags = 0x01;
708
709 i2c_w(gspca_dev, PAS106_REG13, &i2cflags, 1, 3);
710 i2c_w(gspca_dev, PAS106_REG0e, &gain, 1, 1);
711 }
712 }
713
714 #define BLIMIT(bright) \
715 (u8)((bright > 0x1f) ? 0x1f : ((bright < 4) ? 3 : bright))
716 #define LIMIT(color) \
717 (u8)((color > 0xff) ? 0xff : ((color < 0) ? 0 : color))
718
do_autogain(struct gspca_dev * gspca_dev)719 static void do_autogain(struct gspca_dev *gspca_dev)
720 {
721 struct sd *sd = (struct sd *) gspca_dev;
722 __u8 luma;
723 __u8 luma_mean = 128;
724 __u8 luma_delta = 20;
725 __u8 spring = 4;
726 int Gbright;
727 __u8 r, g, b;
728
729 if (sd->ag_cnt < 0)
730 return;
731 if (--sd->ag_cnt >= 0)
732 return;
733 sd->ag_cnt = AG_CNT_START;
734
735 Gbright = Et_getgainG(gspca_dev);
736 reg_r(gspca_dev, ET_LUMA_CENTER, 4);
737 g = (gspca_dev->usb_buf[0] + gspca_dev->usb_buf[3]) >> 1;
738 r = gspca_dev->usb_buf[1];
739 b = gspca_dev->usb_buf[2];
740 r = ((r << 8) - (r << 4) - (r << 3)) >> 10;
741 b = ((b << 7) >> 10);
742 g = ((g << 9) + (g << 7) + (g << 5)) >> 10;
743 luma = LIMIT(r + g + b);
744 PDEBUG(D_FRAM, "Etoms luma G %d", luma);
745 if (luma < luma_mean - luma_delta || luma > luma_mean + luma_delta) {
746 Gbright += (luma_mean - luma) >> spring;
747 Gbright = BLIMIT(Gbright);
748 PDEBUG(D_FRAM, "Etoms Gbright %d", Gbright);
749 Et_setgainG(gspca_dev, (__u8) Gbright);
750 }
751 }
752
753 #undef BLIMIT
754 #undef LIMIT
755
sd_pkt_scan(struct gspca_dev * gspca_dev,u8 * data,int len)756 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
757 u8 *data, /* isoc packet */
758 int len) /* iso packet length */
759 {
760 int seqframe;
761
762 seqframe = data[0] & 0x3f;
763 len = (int) (((data[0] & 0xc0) << 2) | data[1]);
764 if (seqframe == 0x3f) {
765 PDEBUG(D_FRAM,
766 "header packet found datalength %d !!", len);
767 PDEBUG(D_FRAM, "G %d R %d G %d B %d",
768 data[2], data[3], data[4], data[5]);
769 data += 30;
770 /* don't change datalength as the chips provided it */
771 gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
772 gspca_frame_add(gspca_dev, FIRST_PACKET, data, len);
773 return;
774 }
775 if (len) {
776 data += 8;
777 gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
778 } else { /* Drop Packet */
779 gspca_dev->last_packet_type = DISCARD_PACKET;
780 }
781 }
782
sd_setbrightness(struct gspca_dev * gspca_dev,__s32 val)783 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
784 {
785 struct sd *sd = (struct sd *) gspca_dev;
786
787 sd->brightness = val;
788 if (gspca_dev->streaming)
789 setbrightness(gspca_dev);
790 return 0;
791 }
792
sd_getbrightness(struct gspca_dev * gspca_dev,__s32 * val)793 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
794 {
795 struct sd *sd = (struct sd *) gspca_dev;
796
797 *val = sd->brightness;
798 return 0;
799 }
800
sd_setcontrast(struct gspca_dev * gspca_dev,__s32 val)801 static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
802 {
803 struct sd *sd = (struct sd *) gspca_dev;
804
805 sd->contrast = val;
806 if (gspca_dev->streaming)
807 setcontrast(gspca_dev);
808 return 0;
809 }
810
sd_getcontrast(struct gspca_dev * gspca_dev,__s32 * val)811 static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
812 {
813 struct sd *sd = (struct sd *) gspca_dev;
814
815 *val = sd->contrast;
816 return 0;
817 }
818
sd_setcolors(struct gspca_dev * gspca_dev,__s32 val)819 static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val)
820 {
821 struct sd *sd = (struct sd *) gspca_dev;
822
823 sd->colors = val;
824 if (gspca_dev->streaming)
825 setcolors(gspca_dev);
826 return 0;
827 }
828
sd_getcolors(struct gspca_dev * gspca_dev,__s32 * val)829 static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val)
830 {
831 struct sd *sd = (struct sd *) gspca_dev;
832
833 *val = sd->colors;
834 return 0;
835 }
836
sd_setautogain(struct gspca_dev * gspca_dev,__s32 val)837 static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
838 {
839 struct sd *sd = (struct sd *) gspca_dev;
840
841 sd->autogain = val;
842 if (gspca_dev->streaming)
843 setautogain(gspca_dev);
844 return 0;
845 }
846
sd_getautogain(struct gspca_dev * gspca_dev,__s32 * val)847 static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
848 {
849 struct sd *sd = (struct sd *) gspca_dev;
850
851 *val = sd->autogain;
852 return 0;
853 }
854
855 /* sub-driver description */
856 static const struct sd_desc sd_desc = {
857 .name = MODULE_NAME,
858 .ctrls = sd_ctrls,
859 .nctrls = ARRAY_SIZE(sd_ctrls),
860 .config = sd_config,
861 .init = sd_init,
862 .start = sd_start,
863 .stopN = sd_stopN,
864 .pkt_scan = sd_pkt_scan,
865 .dq_callback = do_autogain,
866 };
867
868 /* -- module initialisation -- */
869 static const struct usb_device_id device_table[] = {
870 {USB_DEVICE(0x102c, 0x6151), .driver_info = SENSOR_PAS106},
871 #if !defined CONFIG_USB_ET61X251 && !defined CONFIG_USB_ET61X251_MODULE
872 {USB_DEVICE(0x102c, 0x6251), .driver_info = SENSOR_TAS5130CXX},
873 #endif
874 {}
875 };
876
877 MODULE_DEVICE_TABLE(usb, device_table);
878
879 /* -- device connect -- */
sd_probe(struct usb_interface * intf,const struct usb_device_id * id)880 static int sd_probe(struct usb_interface *intf,
881 const struct usb_device_id *id)
882 {
883 return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
884 THIS_MODULE);
885 }
886
887 static struct usb_driver sd_driver = {
888 .name = MODULE_NAME,
889 .id_table = device_table,
890 .probe = sd_probe,
891 .disconnect = gspca_disconnect,
892 #ifdef CONFIG_PM
893 .suspend = gspca_suspend,
894 .resume = gspca_resume,
895 #endif
896 };
897
898 module_usb_driver(sd_driver);
899