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[deliverable/linux.git] / drivers / media / video / gspca / etoms.c
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6a7eba24
JFM		 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 MODULE_NAME "etoms"
22
23#include "gspca.h"
24
6a7eba24
JFM		 25MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
26MODULE_DESCRIPTION("Etoms USB Camera Driver");
27MODULE_LICENSE("GPL");
28
29/* specific webcam descriptor */
30struct sd {
31 struct gspca_dev gspca_dev; /* !! must be the first item */
32
33 unsigned char brightness;
34 unsigned char contrast;
35 unsigned char colors;
36 unsigned char autogain;
37
38 char sensor;
39#define SENSOR_PAS106 0
40#define SENSOR_TAS5130CXX 1
41 signed char ag_cnt;
42#define AG_CNT_START 13
43};
44
45/* V4L2 controls supported by the driver */
46static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
47static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
48static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
49static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);
50static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val);
51static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val);
52static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val);
53static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val);
54
55static struct ctrl sd_ctrls[] = {
6a7eba24
JFM		 56 {
57 {
58 .id = V4L2_CID_BRIGHTNESS,
59 .type = V4L2_CTRL_TYPE_INTEGER,
60 .name = "Brightness",
61 .minimum = 1,
62 .maximum = 127,
63 .step = 1,
a5ae2062
JFM		 64#define BRIGHTNESS_DEF 63
65 .default_value = BRIGHTNESS_DEF,
6a7eba24
JFM		 66 },
67 .set = sd_setbrightness,
68 .get = sd_getbrightness,
69 },
6a7eba24
JFM		 70 {
71 {
72 .id = V4L2_CID_CONTRAST,
73 .type = V4L2_CTRL_TYPE_INTEGER,
74 .name = "Contrast",
75 .minimum = 0,
76 .maximum = 255,
77 .step = 1,
a5ae2062
JFM		 78#define CONTRAST_DEF 127
79 .default_value = CONTRAST_DEF,
6a7eba24
JFM		 80 },
81 .set = sd_setcontrast,
82 .get = sd_getcontrast,
83 },
f50ba1be 84#define COLOR_IDX 2
6a7eba24
JFM		 85 {
86 {
87 .id = V4L2_CID_SATURATION,
88 .type = V4L2_CTRL_TYPE_INTEGER,
89 .name = "Color",
90 .minimum = 0,
91 .maximum = 15,
92 .step = 1,
a5ae2062
JFM		 93#define COLOR_DEF 7
94 .default_value = COLOR_DEF,
6a7eba24
JFM		 95 },
96 .set = sd_setcolors,
97 .get = sd_getcolors,
98 },
6a7eba24
JFM		 99 {
100 {
101 .id = V4L2_CID_AUTOGAIN,
102 .type = V4L2_CTRL_TYPE_BOOLEAN,
103 .name = "Auto Gain",
104 .minimum = 0,
105 .maximum = 1,
106 .step = 1,
a5ae2062
JFM		 107#define AUTOGAIN_DEF 1
108 .default_value = AUTOGAIN_DEF,
6a7eba24
JFM		 109 },
110 .set = sd_setautogain,
111 .get = sd_getautogain,
112 },
113};
114
c2446b3e
JFM		 115static struct v4l2_pix_format vga_mode[] = {
116 {320, 240, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
117 .bytesperline = 320,
118 .sizeimage = 320 * 240,
119 .colorspace = V4L2_COLORSPACE_SRGB,
120 .priv = 1},
121/* {640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
122 .bytesperline = 640,
123 .sizeimage = 640 * 480,
124 .colorspace = V4L2_COLORSPACE_SRGB,
125 .priv = 0}, */
6a7eba24
JFM		 126};
127
c2446b3e
JFM		 128static struct v4l2_pix_format sif_mode[] = {
129 {176, 144, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
130 .bytesperline = 176,
131 .sizeimage = 176 * 144,
132 .colorspace = V4L2_COLORSPACE_SRGB,
133 .priv = 1},
134 {352, 288, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
135 .bytesperline = 352,
136 .sizeimage = 352 * 288,
137 .colorspace = V4L2_COLORSPACE_SRGB,
138 .priv = 0},
6a7eba24
JFM		 139};
140
141#define ETOMS_ALT_SIZE_1000 12
142
143#define ET_GPIO_DIR_CTRL 0x04 /* Control IO bit[0..5] (0 in 1 out) */
144#define ET_GPIO_OUT 0x05 /* Only IO data */
145#define ET_GPIO_IN 0x06 /* Read Only IO data */
146#define ET_RESET_ALL 0x03
147#define ET_ClCK 0x01
148#define ET_CTRL 0x02 /* enable i2c OutClck Powerdown mode */
149
150#define ET_COMP 0x12 /* Compression register */
151#define ET_MAXQt 0x13
152#define ET_MINQt 0x14
153#define ET_COMP_VAL0 0x02
154#define ET_COMP_VAL1 0x03
155
156#define ET_REG1d 0x1d
157#define ET_REG1e 0x1e
158#define ET_REG1f 0x1f
159#define ET_REG20 0x20
160#define ET_REG21 0x21
161#define ET_REG22 0x22
162#define ET_REG23 0x23
163#define ET_REG24 0x24
164#define ET_REG25 0x25
165/* base registers for luma calculation */
166#define ET_LUMA_CENTER 0x39
167
168#define ET_G_RED 0x4d
169#define ET_G_GREEN1 0x4e
170#define ET_G_BLUE 0x4f
171#define ET_G_GREEN2 0x50
172#define ET_G_GR_H 0x51
173#define ET_G_GB_H 0x52
174
175#define ET_O_RED 0x34
176#define ET_O_GREEN1 0x35
177#define ET_O_BLUE 0x36
178#define ET_O_GREEN2 0x37
179
180#define ET_SYNCHRO 0x68
181#define ET_STARTX 0x69
182#define ET_STARTY 0x6a
183#define ET_WIDTH_LOW 0x6b
184#define ET_HEIGTH_LOW 0x6c
185#define ET_W_H_HEIGTH 0x6d
186
187#define ET_REG6e 0x6e /* OBW */
188#define ET_REG6f 0x6f /* OBW */
189#define ET_REG70 0x70 /* OBW_AWB */
190#define ET_REG71 0x71 /* OBW_AWB */
191#define ET_REG72 0x72 /* OBW_AWB */
192#define ET_REG73 0x73 /* Clkdelay ns */
193#define ET_REG74 0x74 /* test pattern */
194#define ET_REG75 0x75 /* test pattern */
195
196#define ET_I2C_CLK 0x8c
197#define ET_PXL_CLK 0x60
198
199#define ET_I2C_BASE 0x89
200#define ET_I2C_COUNT 0x8a
201#define ET_I2C_PREFETCH 0x8b
202#define ET_I2C_REG 0x88
203#define ET_I2C_DATA7 0x87
204#define ET_I2C_DATA6 0x86
205#define ET_I2C_DATA5 0x85
206#define ET_I2C_DATA4 0x84
207#define ET_I2C_DATA3 0x83
208#define ET_I2C_DATA2 0x82
209#define ET_I2C_DATA1 0x81
210#define ET_I2C_DATA0 0x80
211
212#define PAS106_REG2 0x02 /* pxlClk = systemClk/(reg2) */
213#define PAS106_REG3 0x03 /* line/frame H [11..4] */
214#define PAS106_REG4 0x04 /* line/frame L [3..0] */
215#define PAS106_REG5 0x05 /* exposure time line offset(default 5) */
216#define PAS106_REG6 0x06 /* exposure time pixel offset(default 6) */
217#define PAS106_REG7 0x07 /* signbit Dac (default 0) */
218#define PAS106_REG9 0x09
219#define PAS106_REG0e 0x0e /* global gain [4..0](default 0x0e) */
220#define PAS106_REG13 0x13 /* end i2c write */
221
a5ae2062 222static const __u8 GainRGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 };
6a7eba24 223
a5ae2062 224static const __u8 I2c2[] = { 0x08, 0x08, 0x08, 0x08, 0x0d };
6a7eba24 225
a5ae2062 226static const __u8 I2c3[] = { 0x12, 0x05 };
6a7eba24 227
a5ae2062 228static const __u8 I2c4[] = { 0x41, 0x08 };
6a7eba24 229
739570bb
JFM		 230/* read 'len' bytes to gspca_dev->usb_buf */
231static void reg_r(struct gspca_dev *gspca_dev,
232 __u16 index,
233 __u16 len)
6a7eba24 234{
739570bb
JFM		 235 struct usb_device *dev = gspca_dev->dev;
236
335b3f88 237#ifdef GSPCA_DEBUG
8295d99e 238 if (len > USB_BUF_SZ) {
739570bb
JFM		 239 err("reg_r: buffer overflow");
240 return;
241 }
242#endif
6a7eba24
JFM		 243 usb_control_msg(dev,
244 usb_rcvctrlpipe(dev, 0),
245 0,
246 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
739570bb
JFM		 247 0,
248 index, gspca_dev->usb_buf, len, 500);
249 PDEBUG(D_USBI, "reg read [%02x] -> %02x ..",
250 index, gspca_dev->usb_buf[0]);
6a7eba24
JFM		 251}
252
739570bb
JFM		 253static void reg_w_val(struct gspca_dev *gspca_dev,
254 __u16 index,
255 __u8 val)
a5ae2062 256{
739570bb 257 struct usb_device *dev = gspca_dev->dev;
a5ae2062 258
739570bb 259 gspca_dev->usb_buf[0] = val;
a5ae2062
JFM		 260 usb_control_msg(dev,
261 usb_sndctrlpipe(dev, 0),
262 0,
263 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
739570bb
JFM		 264 0,
265 index, gspca_dev->usb_buf, 1, 500);
a5ae2062
JFM		 266}
267
739570bb
JFM		 268static void reg_w(struct gspca_dev *gspca_dev,
269 __u16 index,
270 const __u8 *buffer,
271 __u16 len)
6a7eba24 272{
739570bb 273 struct usb_device *dev = gspca_dev->dev;
bf7f0b98 274
335b3f88 275#ifdef GSPCA_DEBUG
8295d99e 276 if (len > USB_BUF_SZ) {
739570bb
JFM		 277 err("reg_w: buffer overflow");
278 return;
279 }
280 PDEBUG(D_USBO, "reg write [%02x] = %02x..", index, *buffer);
281#endif
282 memcpy(gspca_dev->usb_buf, buffer, len);
6a7eba24
JFM		 283 usb_control_msg(dev,
284 usb_sndctrlpipe(dev, 0),
285 0,
286 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
739570bb 287 0, index, gspca_dev->usb_buf, len, 500);
6a7eba24
JFM		 288}
289
739570bb
JFM		 290static int i2c_w(struct gspca_dev *gspca_dev,
291 __u8 reg,
292 const __u8 *buffer,
d20b2747 293 int len, __u8 mode)
6a7eba24 294{
a5ae2062
JFM		 295 /* buffer should be [D0..D7] */
296 __u8 ptchcount;
297
298 /* set the base address */
739570bb
JFM		 299 reg_w_val(gspca_dev, ET_I2C_BASE, 0x40);
300 /* sensor base for the pas106 */
a5ae2062
JFM		 301 /* set count and prefetch */
302 ptchcount = ((len & 0x07) << 4) | (mode & 0x03);
739570bb 303 reg_w_val(gspca_dev, ET_I2C_COUNT, ptchcount);
a5ae2062 304 /* set the register base */
739570bb 305 reg_w_val(gspca_dev, ET_I2C_REG, reg);
a5ae2062 306 while (--len >= 0)
739570bb 307 reg_w_val(gspca_dev, ET_I2C_DATA0 + len, buffer[len]);
6a7eba24
JFM		 308 return 0;
309}
310
739570bb
JFM		 311static int i2c_r(struct gspca_dev *gspca_dev,
312 __u8 reg)
6a7eba24 313{
a5ae2062 314 /* set the base address */
739570bb
JFM		 315 reg_w_val(gspca_dev, ET_I2C_BASE, 0x40);
316 /* sensor base for the pas106 */
317 /* set count and prefetch (cnd: 4 bits - mode: 4 bits) */
318 reg_w_val(gspca_dev, ET_I2C_COUNT, 0x11);
319 reg_w_val(gspca_dev, ET_I2C_REG, reg); /* set the register base */
320 reg_w_val(gspca_dev, ET_I2C_PREFETCH, 0x02); /* prefetch */
321 reg_w_val(gspca_dev, ET_I2C_PREFETCH, 0x00);
322 reg_r(gspca_dev, ET_I2C_DATA0, 1); /* read one byte */
6a7eba24
JFM		 323 return 0;
324}
325
739570bb 326static int Et_WaitStatus(struct gspca_dev *gspca_dev)
6a7eba24 327{
6a7eba24
JFM		 328 int retry = 10;
329
330 while (retry--) {
739570bb
JFM		 331 reg_r(gspca_dev, ET_ClCK, 1);
332 if (gspca_dev->usb_buf[0] != 0)
6a7eba24
JFM		 333 return 1;
334 }
335 return 0;
336}
337
739570bb
JFM		 338static int et_video(struct gspca_dev *gspca_dev,
339 int on)
6a7eba24 340{
739570bb 341 int ret;
6a7eba24 342
739570bb
JFM		 343 reg_w_val(gspca_dev, ET_GPIO_OUT,
344 on ? 0x10 /* startvideo - set Bit5 */
345 : 0); /* stopvideo */
346 ret = Et_WaitStatus(gspca_dev);
347 if (ret != 0)
a5ae2062 348 PDEBUG(D_ERR, "timeout video on/off");
739570bb 349 return ret;
6a7eba24
JFM		 350}
351
352static void Et_init2(struct gspca_dev *gspca_dev)
353{
a5ae2062 354 __u8 value;
a5ae2062 355 static const __u8 FormLine[] = { 0x84, 0x03, 0x14, 0xf4, 0x01, 0x05 };
6a7eba24
JFM		 356
357 PDEBUG(D_STREAM, "Open Init2 ET");
739570bb
JFM		 358 reg_w_val(gspca_dev, ET_GPIO_DIR_CTRL, 0x2f);
359 reg_w_val(gspca_dev, ET_GPIO_OUT, 0x10);
360 reg_r(gspca_dev, ET_GPIO_IN, 1);
361 reg_w_val(gspca_dev, ET_ClCK, 0x14); /* 0x14 // 0x16 enabled pattern */
362 reg_w_val(gspca_dev, ET_CTRL, 0x1b);
6a7eba24
JFM		 363
364 /* compression et subsampling */
c2446b3e 365 if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv)
6a7eba24
JFM		 366 value = ET_COMP_VAL1; /* 320 */
367 else
368 value = ET_COMP_VAL0; /* 640 */
739570bb
JFM		 369 reg_w_val(gspca_dev, ET_COMP, value);
370 reg_w_val(gspca_dev, ET_MAXQt, 0x1f);
371 reg_w_val(gspca_dev, ET_MINQt, 0x04);
6a7eba24 372 /* undocumented registers */
739570bb
JFM		 373 reg_w_val(gspca_dev, ET_REG1d, 0xff);
374 reg_w_val(gspca_dev, ET_REG1e, 0xff);
375 reg_w_val(gspca_dev, ET_REG1f, 0xff);
376 reg_w_val(gspca_dev, ET_REG20, 0x35);
377 reg_w_val(gspca_dev, ET_REG21, 0x01);
378 reg_w_val(gspca_dev, ET_REG22, 0x00);
379 reg_w_val(gspca_dev, ET_REG23, 0xff);
380 reg_w_val(gspca_dev, ET_REG24, 0xff);
381 reg_w_val(gspca_dev, ET_REG25, 0x0f);
6a7eba24 382 /* colors setting */
739570bb
JFM		 383 reg_w_val(gspca_dev, 0x30, 0x11); /* 0x30 */
384 reg_w_val(gspca_dev, 0x31, 0x40);
385 reg_w_val(gspca_dev, 0x32, 0x00);
386 reg_w_val(gspca_dev, ET_O_RED, 0x00); /* 0x34 */
387 reg_w_val(gspca_dev, ET_O_GREEN1, 0x00);
388 reg_w_val(gspca_dev, ET_O_BLUE, 0x00);
389 reg_w_val(gspca_dev, ET_O_GREEN2, 0x00);
6a7eba24 390 /*************/
739570bb
JFM		 391 reg_w_val(gspca_dev, ET_G_RED, 0x80); /* 0x4d */
392 reg_w_val(gspca_dev, ET_G_GREEN1, 0x80);
393 reg_w_val(gspca_dev, ET_G_BLUE, 0x80);
394 reg_w_val(gspca_dev, ET_G_GREEN2, 0x80);
395 reg_w_val(gspca_dev, ET_G_GR_H, 0x00);
396 reg_w_val(gspca_dev, ET_G_GB_H, 0x00); /* 0x52 */
6a7eba24 397 /* Window control registers */
739570bb
JFM		 398 reg_w_val(gspca_dev, 0x61, 0x80); /* use cmc_out */
399 reg_w_val(gspca_dev, 0x62, 0x02);
400 reg_w_val(gspca_dev, 0x63, 0x03);
401 reg_w_val(gspca_dev, 0x64, 0x14);
402 reg_w_val(gspca_dev, 0x65, 0x0e);
403 reg_w_val(gspca_dev, 0x66, 0x02);
404 reg_w_val(gspca_dev, 0x67, 0x02);
6a7eba24
JFM		 405
406 /**************************************/
739570bb
JFM		 407 reg_w_val(gspca_dev, ET_SYNCHRO, 0x8f); /* 0x68 */
408 reg_w_val(gspca_dev, ET_STARTX, 0x69); /* 0x6a //0x69 */
409 reg_w_val(gspca_dev, ET_STARTY, 0x0d); /* 0x0d //0x0c */
410 reg_w_val(gspca_dev, ET_WIDTH_LOW, 0x80);
411 reg_w_val(gspca_dev, ET_HEIGTH_LOW, 0xe0);
412 reg_w_val(gspca_dev, ET_W_H_HEIGTH, 0x60); /* 6d */
413 reg_w_val(gspca_dev, ET_REG6e, 0x86);
414 reg_w_val(gspca_dev, ET_REG6f, 0x01);
415 reg_w_val(gspca_dev, ET_REG70, 0x26);
416 reg_w_val(gspca_dev, ET_REG71, 0x7a);
417 reg_w_val(gspca_dev, ET_REG72, 0x01);
6a7eba24 418 /* Clock Pattern registers ***************** */
739570bb
JFM		 419 reg_w_val(gspca_dev, ET_REG73, 0x00);
420 reg_w_val(gspca_dev, ET_REG74, 0x18); /* 0x28 */
421 reg_w_val(gspca_dev, ET_REG75, 0x0f); /* 0x01 */
6a7eba24 422 /**********************************************/
739570bb
JFM		 423 reg_w_val(gspca_dev, 0x8a, 0x20);
424 reg_w_val(gspca_dev, 0x8d, 0x0f);
425 reg_w_val(gspca_dev, 0x8e, 0x08);
6a7eba24 426 /**************************************/
739570bb
JFM		 427 reg_w_val(gspca_dev, 0x03, 0x08);
428 reg_w_val(gspca_dev, ET_PXL_CLK, 0x03);
429 reg_w_val(gspca_dev, 0x81, 0xff);
430 reg_w_val(gspca_dev, 0x80, 0x00);
431 reg_w_val(gspca_dev, 0x81, 0xff);
432 reg_w_val(gspca_dev, 0x80, 0x20);
433 reg_w_val(gspca_dev, 0x03, 0x01);
434 reg_w_val(gspca_dev, 0x03, 0x00);
435 reg_w_val(gspca_dev, 0x03, 0x08);
6a7eba24
JFM		 436 /********************************************/
437
739570bb 438/* reg_r(gspca_dev, ET_I2C_BASE, 1);
6a7eba24
JFM		 439 always 0x40 as the pas106 ??? */
440 /* set the sensor */
c2446b3e 441 if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv)
a5ae2062
JFM		 442 value = 0x04; /* 320 */
443 else /* 640 */
444 value = 0x1e; /* 0x17 * setting PixelClock
445 * 0x03 mean 24/(3+1) = 6 Mhz
446 * 0x05 -> 24/(5+1) = 4 Mhz
447 * 0x0b -> 24/(11+1) = 2 Mhz
448 * 0x17 -> 24/(23+1) = 1 Mhz
449 */
739570bb 450 reg_w_val(gspca_dev, ET_PXL_CLK, value);
a5ae2062 451 /* now set by fifo the FormatLine setting */
739570bb 452 reg_w(gspca_dev, 0x62, FormLine, 6);
6a7eba24
JFM		 453
454 /* set exposure times [ 0..0x78] 0->longvalue 0x78->shortvalue */
739570bb
JFM		 455 reg_w_val(gspca_dev, 0x81, 0x47); /* 0x47; */
456 reg_w_val(gspca_dev, 0x80, 0x40); /* 0x40; */
6a7eba24
JFM		 457 /* Pedro change */
458 /* Brightness change Brith+ decrease value */
459 /* Brigth- increase value */
460 /* original value = 0x70; */
739570bb
JFM		 461 reg_w_val(gspca_dev, 0x81, 0x30); /* 0x20; - set brightness */
462 reg_w_val(gspca_dev, 0x80, 0x20); /* 0x20; */
6a7eba24
JFM		 463}
464
cebf3b67
JFM		 465static void setbrightness(struct gspca_dev *gspca_dev)
466{
467 struct sd *sd = (struct sd *) gspca_dev;
468 int i;
469 __u8 brightness = sd->brightness;
470
471 for (i = 0; i < 4; i++)
472 reg_w_val(gspca_dev, ET_O_RED + i, brightness);
473}
474
475static void getbrightness(struct gspca_dev *gspca_dev)
476{
477 struct sd *sd = (struct sd *) gspca_dev;
478 int i;
479 int brightness = 0;
480
481 for (i = 0; i < 4; i++) {
482 reg_r(gspca_dev, ET_O_RED + i, 1);
483 brightness += gspca_dev->usb_buf[0];
484 }
485 sd->brightness = brightness >> 3;
486}
487
488static void setcontrast(struct gspca_dev *gspca_dev)
489{
490 struct sd *sd = (struct sd *) gspca_dev;
491 __u8 RGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 };
492 __u8 contrast = sd->contrast;
493
494 memset(RGBG, contrast, sizeof(RGBG) - 2);
495 reg_w(gspca_dev, ET_G_RED, RGBG, 6);
496}
497
498static void getcontrast(struct gspca_dev *gspca_dev)
499{
500 struct sd *sd = (struct sd *) gspca_dev;
501 int i;
502 int contrast = 0;
503
504 for (i = 0; i < 4; i++) {
505 reg_r(gspca_dev, ET_G_RED + i, 1);
506 contrast += gspca_dev->usb_buf[0];
507 }
508 sd->contrast = contrast >> 2;
509}
510
6a7eba24
JFM		 511static void setcolors(struct gspca_dev *gspca_dev)
512{
513 struct sd *sd = (struct sd *) gspca_dev;
a5ae2062 514 __u8 I2cc[] = { 0x05, 0x02, 0x02, 0x05, 0x0d };
6a7eba24
JFM		 515 __u8 i2cflags = 0x01;
516 /* __u8 green = 0; */
517 __u8 colors = sd->colors;
518
519 I2cc[3] = colors; /* red */
520 I2cc[0] = 15 - colors; /* blue */
521 /* green = 15 - ((((7*I2cc[0]) >> 2 ) + I2cc[3]) >> 1); */
522 /* I2cc[1] = I2cc[2] = green; */
523 if (sd->sensor == SENSOR_PAS106) {
739570bb
JFM		 524 i2c_w(gspca_dev, PAS106_REG13, &i2cflags, 1, 3);
525 i2c_w(gspca_dev, PAS106_REG9, I2cc, sizeof I2cc, 1);
6a7eba24
JFM		 526 }
527/* PDEBUG(D_CONF , "Etoms red %d blue %d green %d",
528 I2cc[3], I2cc[0], green); */
529}
530
531static void getcolors(struct gspca_dev *gspca_dev)
532{
533 struct sd *sd = (struct sd *) gspca_dev;
6a7eba24
JFM		 534
535 if (sd->sensor == SENSOR_PAS106) {
739570bb
JFM		 536/* i2c_r(gspca_dev, PAS106_REG9); * blue */
537 i2c_r(gspca_dev, PAS106_REG9 + 3); /* red */
538 sd->colors = gspca_dev->usb_buf[0] & 0x0f;
6a7eba24
JFM		 539 }
540}
541
cebf3b67
JFM		 542static void setautogain(struct gspca_dev *gspca_dev)
543{
544 struct sd *sd = (struct sd *) gspca_dev;
545
546 if (sd->autogain)
547 sd->ag_cnt = AG_CNT_START;
548 else
549 sd->ag_cnt = -1;
550}
551
6a7eba24
JFM		 552static void Et_init1(struct gspca_dev *gspca_dev)
553{
a5ae2062 554 __u8 value;
a5ae2062 555/* __u8 I2c0 [] = {0x0a, 0x12, 0x05, 0x22, 0xac, 0x00, 0x01, 0x00}; */
6a7eba24
JFM		 556 __u8 I2c0[] = { 0x0a, 0x12, 0x05, 0x6d, 0xcd, 0x00, 0x01, 0x00 };
557 /* try 1/120 0x6d 0xcd 0x40 */
a5ae2062 558/* __u8 I2c0 [] = {0x0a, 0x12, 0x05, 0xfe, 0xfe, 0xc0, 0x01, 0x00};
6a7eba24
JFM		 559 * 1/60000 hmm ?? */
560
561 PDEBUG(D_STREAM, "Open Init1 ET");
739570bb
JFM		 562 reg_w_val(gspca_dev, ET_GPIO_DIR_CTRL, 7);
563 reg_r(gspca_dev, ET_GPIO_IN, 1);
564 reg_w_val(gspca_dev, ET_RESET_ALL, 1);
565 reg_w_val(gspca_dev, ET_RESET_ALL, 0);
566 reg_w_val(gspca_dev, ET_ClCK, 0x10);
567 reg_w_val(gspca_dev, ET_CTRL, 0x19);
6a7eba24 568 /* compression et subsampling */
c2446b3e 569 if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv)
6a7eba24
JFM		 570 value = ET_COMP_VAL1;
571 else
572 value = ET_COMP_VAL0;
6a7eba24 573 PDEBUG(D_STREAM, "Open mode %d Compression %d",
c2446b3e 574 gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv,
6a7eba24 575 value);
739570bb
JFM		 576 reg_w_val(gspca_dev, ET_COMP, value);
577 reg_w_val(gspca_dev, ET_MAXQt, 0x1d);
578 reg_w_val(gspca_dev, ET_MINQt, 0x02);
6a7eba24 579 /* undocumented registers */
739570bb
JFM		 580 reg_w_val(gspca_dev, ET_REG1d, 0xff);
581 reg_w_val(gspca_dev, ET_REG1e, 0xff);
582 reg_w_val(gspca_dev, ET_REG1f, 0xff);
583 reg_w_val(gspca_dev, ET_REG20, 0x35);
584 reg_w_val(gspca_dev, ET_REG21, 0x01);
585 reg_w_val(gspca_dev, ET_REG22, 0x00);
586 reg_w_val(gspca_dev, ET_REG23, 0xf7);
587 reg_w_val(gspca_dev, ET_REG24, 0xff);
588 reg_w_val(gspca_dev, ET_REG25, 0x07);
6a7eba24 589 /* colors setting */
739570bb
JFM		 590 reg_w_val(gspca_dev, ET_G_RED, 0x80);
591 reg_w_val(gspca_dev, ET_G_GREEN1, 0x80);
592 reg_w_val(gspca_dev, ET_G_BLUE, 0x80);
593 reg_w_val(gspca_dev, ET_G_GREEN2, 0x80);
594 reg_w_val(gspca_dev, ET_G_GR_H, 0x00);
595 reg_w_val(gspca_dev, ET_G_GB_H, 0x00);
6a7eba24 596 /* Window control registers */
739570bb
JFM		 597 reg_w_val(gspca_dev, ET_SYNCHRO, 0xf0);
598 reg_w_val(gspca_dev, ET_STARTX, 0x56); /* 0x56 */
599 reg_w_val(gspca_dev, ET_STARTY, 0x05); /* 0x04 */
600 reg_w_val(gspca_dev, ET_WIDTH_LOW, 0x60);
601 reg_w_val(gspca_dev, ET_HEIGTH_LOW, 0x20);
602 reg_w_val(gspca_dev, ET_W_H_HEIGTH, 0x50);
603 reg_w_val(gspca_dev, ET_REG6e, 0x86);
604 reg_w_val(gspca_dev, ET_REG6f, 0x01);
605 reg_w_val(gspca_dev, ET_REG70, 0x86);
606 reg_w_val(gspca_dev, ET_REG71, 0x14);
607 reg_w_val(gspca_dev, ET_REG72, 0x00);
6a7eba24 608 /* Clock Pattern registers */
739570bb
JFM		 609 reg_w_val(gspca_dev, ET_REG73, 0x00);
610 reg_w_val(gspca_dev, ET_REG74, 0x00);
611 reg_w_val(gspca_dev, ET_REG75, 0x0a);
612 reg_w_val(gspca_dev, ET_I2C_CLK, 0x04);
613 reg_w_val(gspca_dev, ET_PXL_CLK, 0x01);
6a7eba24 614 /* set the sensor */
c2446b3e 615 if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) {
6a7eba24 616 I2c0[0] = 0x06;
739570bb
JFM		 617 i2c_w(gspca_dev, PAS106_REG2, I2c0, sizeof I2c0, 1);
618 i2c_w(gspca_dev, PAS106_REG9, I2c2, sizeof I2c2, 1);
6a7eba24 619 value = 0x06;
739570bb
JFM		 620 i2c_w(gspca_dev, PAS106_REG2, &value, 1, 1);
621 i2c_w(gspca_dev, PAS106_REG3, I2c3, sizeof I2c3, 1);
6a7eba24
JFM		 622 /* value = 0x1f; */
623 value = 0x04;
739570bb 624 i2c_w(gspca_dev, PAS106_REG0e, &value, 1, 1);
6a7eba24
JFM		 625 } else {
626 I2c0[0] = 0x0a;
627
739570bb
JFM		 628 i2c_w(gspca_dev, PAS106_REG2, I2c0, sizeof I2c0, 1);
629 i2c_w(gspca_dev, PAS106_REG9, I2c2, sizeof I2c2, 1);
6a7eba24 630 value = 0x0a;
739570bb
JFM		 631 i2c_w(gspca_dev, PAS106_REG2, &value, 1, 1);
632 i2c_w(gspca_dev, PAS106_REG3, I2c3, sizeof I2c3, 1);
6a7eba24
JFM		 633 value = 0x04;
634 /* value = 0x10; */
739570bb 635 i2c_w(gspca_dev, PAS106_REG0e, &value, 1, 1);
6a7eba24
JFM		 636 /* bit 2 enable bit 1:2 select 0 1 2 3
637 value = 0x07; * curve 0 *
739570bb 638 i2c_w(gspca_dev, PAS106_REG0f, &value, 1, 1);
6a7eba24
JFM		 639 */
640 }
641
642/* value = 0x01; */
643/* value = 0x22; */
739570bb 644/* i2c_w(gspca_dev, PAS106_REG5, &value, 1, 1); */
6a7eba24 645 /* magnetude and sign bit for DAC */
739570bb 646 i2c_w(gspca_dev, PAS106_REG7, I2c4, sizeof I2c4, 1);
6a7eba24 647 /* now set by fifo the whole colors setting */
739570bb 648 reg_w(gspca_dev, ET_G_RED, GainRGBG, 6);
6a7eba24
JFM		 649 getcolors(gspca_dev);
650 setcolors(gspca_dev);
651}
652
653/* this function is called at probe time */
654static int sd_config(struct gspca_dev *gspca_dev,
655 const struct usb_device_id *id)
656{
657 struct sd *sd = (struct sd *) gspca_dev;
658 struct cam *cam;
9d64fdb1 659
6a7eba24 660 cam = &gspca_dev->cam;
6a7eba24 661 cam->epaddr = 1;
9d64fdb1 662 sd->sensor = id->driver_info;
6a7eba24
JFM		 663 if (sd->sensor == SENSOR_PAS106) {
664 cam->cam_mode = sif_mode;
665 cam->nmodes = sizeof sif_mode / sizeof sif_mode[0];
666 } else {
667 cam->cam_mode = vga_mode;
668 cam->nmodes = sizeof vga_mode / sizeof vga_mode[0];
f50ba1be 669 gspca_dev->ctrl_dis = (1 << COLOR_IDX);
6a7eba24 670 }
a5ae2062
JFM		 671 sd->brightness = BRIGHTNESS_DEF;
672 sd->contrast = CONTRAST_DEF;
673 sd->colors = COLOR_DEF;
674 sd->autogain = AUTOGAIN_DEF;
cebf3b67 675 sd->ag_cnt = -1;
6a7eba24
JFM		 676 return 0;
677}
678
012d6b02
JFM		 679/* this function is called at probe and resume time */
680static int sd_init(struct gspca_dev *gspca_dev)
6a7eba24
JFM		 681{
682 struct sd *sd = (struct sd *) gspca_dev;
6a7eba24 683
6a7eba24
JFM		 684 if (sd->sensor == SENSOR_PAS106)
685 Et_init1(gspca_dev);
686 else
687 Et_init2(gspca_dev);
739570bb
JFM		 688 reg_w_val(gspca_dev, ET_RESET_ALL, 0x08);
689 et_video(gspca_dev, 0); /* video off */
6a7eba24
JFM		 690 return 0;
691}
692
693/* -- start the camera -- */
72ab97ce 694static int sd_start(struct gspca_dev *gspca_dev)
6a7eba24
JFM		 695{
696 struct sd *sd = (struct sd *) gspca_dev;
6a7eba24
JFM		 697
698 if (sd->sensor == SENSOR_PAS106)
699 Et_init1(gspca_dev);
700 else
701 Et_init2(gspca_dev);
702
cebf3b67
JFM		 703 setautogain(gspca_dev);
704
739570bb
JFM		 705 reg_w_val(gspca_dev, ET_RESET_ALL, 0x08);
706 et_video(gspca_dev, 1); /* video on */
72ab97ce 707 return 0;
6a7eba24
JFM		 708}
709
710static void sd_stopN(struct gspca_dev *gspca_dev)
711{
739570bb 712 et_video(gspca_dev, 0); /* video off */
6a7eba24
JFM		 713}
714
6a7eba24
JFM		 715static __u8 Et_getgainG(struct gspca_dev *gspca_dev)
716{
717 struct sd *sd = (struct sd *) gspca_dev;
6a7eba24
JFM		 718
719 if (sd->sensor == SENSOR_PAS106) {
739570bb
JFM		 720 i2c_r(gspca_dev, PAS106_REG0e);
721 PDEBUG(D_CONF, "Etoms gain G %d", gspca_dev->usb_buf[0]);
722 return gspca_dev->usb_buf[0];
6a7eba24
JFM		 723 }
724 return 0x1f;
725}
726
727static void Et_setgainG(struct gspca_dev *gspca_dev, __u8 gain)
728{
729 struct sd *sd = (struct sd *) gspca_dev;
6a7eba24
JFM		 730
731 if (sd->sensor == SENSOR_PAS106) {
739570bb
JFM		 732 __u8 i2cflags = 0x01;
733
734 i2c_w(gspca_dev, PAS106_REG13, &i2cflags, 1, 3);
735 i2c_w(gspca_dev, PAS106_REG0e, &gain, 1, 1);
6a7eba24
JFM		 736 }
737}
738
739#define BLIMIT(bright) \
740 (__u8)((bright > 0x1f)?0x1f:((bright < 4)?3:bright))
741#define LIMIT(color) \
742 (unsigned char)((color > 0xff)?0xff:((color < 0)?0:color))
743
cebf3b67 744static void do_autogain(struct gspca_dev *gspca_dev)
6a7eba24 745{
cebf3b67
JFM		 746 struct sd *sd = (struct sd *) gspca_dev;
747 __u8 luma;
6a7eba24
JFM		 748 __u8 luma_mean = 128;
749 __u8 luma_delta = 20;
750 __u8 spring = 4;
cebf3b67 751 int Gbright;
6a7eba24
JFM		 752 __u8 r, g, b;
753
cebf3b67
JFM		 754 if (sd->ag_cnt < 0)
755 return;
756 if (--sd->ag_cnt >= 0)
757 return;
758 sd->ag_cnt = AG_CNT_START;
759
6a7eba24 760 Gbright = Et_getgainG(gspca_dev);
739570bb
JFM		 761 reg_r(gspca_dev, ET_LUMA_CENTER, 4);
762 g = (gspca_dev->usb_buf[0] + gspca_dev->usb_buf[3]) >> 1;
763 r = gspca_dev->usb_buf[1];
764 b = gspca_dev->usb_buf[2];
6a7eba24
JFM		 765 r = ((r << 8) - (r << 4) - (r << 3)) >> 10;
766 b = ((b << 7) >> 10);
767 g = ((g << 9) + (g << 7) + (g << 5)) >> 10;
768 luma = LIMIT(r + g + b);
769 PDEBUG(D_FRAM, "Etoms luma G %d", luma);
770 if (luma < luma_mean - luma_delta || luma > luma_mean + luma_delta) {
771 Gbright += (luma_mean - luma) >> spring;
772 Gbright = BLIMIT(Gbright);
773 PDEBUG(D_FRAM, "Etoms Gbright %d", Gbright);
774 Et_setgainG(gspca_dev, (__u8) Gbright);
775 }
776}
777
778#undef BLIMIT
779#undef LIMIT
780
781static void sd_pkt_scan(struct gspca_dev *gspca_dev,
782 struct gspca_frame *frame, /* target */
a5ae2062 783 __u8 *data, /* isoc packet */
6a7eba24
JFM		 784 int len) /* iso packet length */
785{
6a7eba24
JFM		 786 int seqframe;
787
788 seqframe = data[0] & 0x3f;
789 len = (int) (((data[0] & 0xc0) << 2) | data[1]);
790 if (seqframe == 0x3f) {
791 PDEBUG(D_FRAM,
792 "header packet found datalength %d !!", len);
793 PDEBUG(D_FRAM, "G %d R %d G %d B %d",
794 data[2], data[3], data[4], data[5]);
795 data += 30;
796 /* don't change datalength as the chips provided it */
797 frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
798 data, 0);
799 gspca_frame_add(gspca_dev, FIRST_PACKET, frame, data, len);
6a7eba24
JFM		 800 return;
801 }
802 if (len) {
803 data += 8;
804 gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
805 } else { /* Drop Packet */
806 gspca_dev->last_packet_type = DISCARD_PACKET;
807 }
808}
809
810static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
811{
812 struct sd *sd = (struct sd *) gspca_dev;
813
814 sd->brightness = val;
815 if (gspca_dev->streaming)
816 setbrightness(gspca_dev);
817 return 0;
818}
819
820static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
821{
822 struct sd *sd = (struct sd *) gspca_dev;
823
824 getbrightness(gspca_dev);
825 *val = sd->brightness;
826 return 0;
827}
828
829static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
830{
831 struct sd *sd = (struct sd *) gspca_dev;
832
833 sd->contrast = val;
834 if (gspca_dev->streaming)
835 setcontrast(gspca_dev);
836 return 0;
837}
838
839static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
840{
841 struct sd *sd = (struct sd *) gspca_dev;
842
843 getcontrast(gspca_dev);
844 *val = sd->contrast;
845 return 0;
846}
847
848static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val)
849{
850 struct sd *sd = (struct sd *) gspca_dev;
851
852 sd->colors = val;
853 if (gspca_dev->streaming)
854 setcolors(gspca_dev);
855 return 0;
856}
857
858static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val)
859{
860 struct sd *sd = (struct sd *) gspca_dev;
861
862 getcolors(gspca_dev);
863 *val = sd->colors;
864 return 0;
865}
866
867static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
868{
869 struct sd *sd = (struct sd *) gspca_dev;
870
871 sd->autogain = val;
cebf3b67
JFM		 872 if (gspca_dev->streaming)
873 setautogain(gspca_dev);
6a7eba24
JFM		 874 return 0;
875}
876
877static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
878{
879 struct sd *sd = (struct sd *) gspca_dev;
880
881 *val = sd->autogain;
882 return 0;
883}
884
885/* sub-driver description */
886static struct sd_desc sd_desc = {
887 .name = MODULE_NAME,
888 .ctrls = sd_ctrls,
889 .nctrls = ARRAY_SIZE(sd_ctrls),
890 .config = sd_config,
012d6b02 891 .init = sd_init,
6a7eba24
JFM		 892 .start = sd_start,
893 .stopN = sd_stopN,
6a7eba24 894 .pkt_scan = sd_pkt_scan,
cebf3b67 895 .dq_callback = do_autogain,
6a7eba24
JFM		 896};
897
898/* -- module initialisation -- */
6a7eba24 899static __devinitdata struct usb_device_id device_table[] = {
9d64fdb1 900 {USB_DEVICE(0x102c, 0x6151), .driver_info = SENSOR_PAS106},
222a07ff 901#if !defined CONFIG_USB_ET61X251 && !defined CONFIG_USB_ET61X251_MODULE
9d64fdb1 902 {USB_DEVICE(0x102c, 0x6251), .driver_info = SENSOR_TAS5130CXX},
5bb0f21a 903#endif
6a7eba24
JFM		 904 {}
905};
906
907MODULE_DEVICE_TABLE(usb, device_table);
908
909/* -- device connect -- */
910static int sd_probe(struct usb_interface *intf,
911 const struct usb_device_id *id)
912{
913 return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
914 THIS_MODULE);
915}
916
917static struct usb_driver sd_driver = {
918 .name = MODULE_NAME,
919 .id_table = device_table,
920 .probe = sd_probe,
921 .disconnect = gspca_disconnect,
6a709749
JFM		 922#ifdef CONFIG_PM
923 .suspend = gspca_suspend,
924 .resume = gspca_resume,
925#endif
6a7eba24
JFM		 926};
927
928/* -- module insert / remove -- */
929static int __init sd_mod_init(void)
930{
931 if (usb_register(&sd_driver) < 0)
932 return -1;
10b0e96e 933 PDEBUG(D_PROBE, "registered");
6a7eba24
JFM		 934 return 0;
935}
936
937static void __exit sd_mod_exit(void)
938{
939 usb_deregister(&sd_driver);
940 PDEBUG(D_PROBE, "deregistered");
941}
942
943module_init(sd_mod_init);
944module_exit(sd_mod_exit);
Linux kernel - Deliverables
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