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V4L/DVB (8602): gspca: Fix small bugs, simplify and cleanup ov519.
[deliverable/linux.git] / drivers / media / video / gspca / etoms.c
CommitLineData
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 },
6a7eba24
JFM		 84 {
85 {
86 .id = V4L2_CID_SATURATION,
87 .type = V4L2_CTRL_TYPE_INTEGER,
88 .name = "Color",
89 .minimum = 0,
90 .maximum = 15,
91 .step = 1,
a5ae2062
JFM		 92#define COLOR_DEF 7
93 .default_value = COLOR_DEF,
6a7eba24
JFM		 94 },
95 .set = sd_setcolors,
96 .get = sd_getcolors,
97 },
6a7eba24
JFM		 98 {
99 {
100 .id = V4L2_CID_AUTOGAIN,
101 .type = V4L2_CTRL_TYPE_BOOLEAN,
102 .name = "Auto Gain",
103 .minimum = 0,
104 .maximum = 1,
105 .step = 1,
a5ae2062
JFM		 106#define AUTOGAIN_DEF 1
107 .default_value = AUTOGAIN_DEF,
6a7eba24
JFM		 108 },
109 .set = sd_setautogain,
110 .get = sd_getautogain,
111 },
112};
113
c2446b3e
JFM		 114static struct v4l2_pix_format vga_mode[] = {
115 {320, 240, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
116 .bytesperline = 320,
117 .sizeimage = 320 * 240,
118 .colorspace = V4L2_COLORSPACE_SRGB,
119 .priv = 1},
120/* {640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
121 .bytesperline = 640,
122 .sizeimage = 640 * 480,
123 .colorspace = V4L2_COLORSPACE_SRGB,
124 .priv = 0}, */
6a7eba24
JFM		 125};
126
c2446b3e
JFM		 127static struct v4l2_pix_format sif_mode[] = {
128 {176, 144, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
129 .bytesperline = 176,
130 .sizeimage = 176 * 144,
131 .colorspace = V4L2_COLORSPACE_SRGB,
132 .priv = 1},
133 {352, 288, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
134 .bytesperline = 352,
135 .sizeimage = 352 * 288,
136 .colorspace = V4L2_COLORSPACE_SRGB,
137 .priv = 0},
6a7eba24
JFM		 138};
139
140#define ETOMS_ALT_SIZE_1000 12
141
142#define ET_GPIO_DIR_CTRL 0x04 /* Control IO bit[0..5] (0 in 1 out) */
143#define ET_GPIO_OUT 0x05 /* Only IO data */
144#define ET_GPIO_IN 0x06 /* Read Only IO data */
145#define ET_RESET_ALL 0x03
146#define ET_ClCK 0x01
147#define ET_CTRL 0x02 /* enable i2c OutClck Powerdown mode */
148
149#define ET_COMP 0x12 /* Compression register */
150#define ET_MAXQt 0x13
151#define ET_MINQt 0x14
152#define ET_COMP_VAL0 0x02
153#define ET_COMP_VAL1 0x03
154
155#define ET_REG1d 0x1d
156#define ET_REG1e 0x1e
157#define ET_REG1f 0x1f
158#define ET_REG20 0x20
159#define ET_REG21 0x21
160#define ET_REG22 0x22
161#define ET_REG23 0x23
162#define ET_REG24 0x24
163#define ET_REG25 0x25
164/* base registers for luma calculation */
165#define ET_LUMA_CENTER 0x39
166
167#define ET_G_RED 0x4d
168#define ET_G_GREEN1 0x4e
169#define ET_G_BLUE 0x4f
170#define ET_G_GREEN2 0x50
171#define ET_G_GR_H 0x51
172#define ET_G_GB_H 0x52
173
174#define ET_O_RED 0x34
175#define ET_O_GREEN1 0x35
176#define ET_O_BLUE 0x36
177#define ET_O_GREEN2 0x37
178
179#define ET_SYNCHRO 0x68
180#define ET_STARTX 0x69
181#define ET_STARTY 0x6a
182#define ET_WIDTH_LOW 0x6b
183#define ET_HEIGTH_LOW 0x6c
184#define ET_W_H_HEIGTH 0x6d
185
186#define ET_REG6e 0x6e /* OBW */
187#define ET_REG6f 0x6f /* OBW */
188#define ET_REG70 0x70 /* OBW_AWB */
189#define ET_REG71 0x71 /* OBW_AWB */
190#define ET_REG72 0x72 /* OBW_AWB */
191#define ET_REG73 0x73 /* Clkdelay ns */
192#define ET_REG74 0x74 /* test pattern */
193#define ET_REG75 0x75 /* test pattern */
194
195#define ET_I2C_CLK 0x8c
196#define ET_PXL_CLK 0x60
197
198#define ET_I2C_BASE 0x89
199#define ET_I2C_COUNT 0x8a
200#define ET_I2C_PREFETCH 0x8b
201#define ET_I2C_REG 0x88
202#define ET_I2C_DATA7 0x87
203#define ET_I2C_DATA6 0x86
204#define ET_I2C_DATA5 0x85
205#define ET_I2C_DATA4 0x84
206#define ET_I2C_DATA3 0x83
207#define ET_I2C_DATA2 0x82
208#define ET_I2C_DATA1 0x81
209#define ET_I2C_DATA0 0x80
210
211#define PAS106_REG2 0x02 /* pxlClk = systemClk/(reg2) */
212#define PAS106_REG3 0x03 /* line/frame H [11..4] */
213#define PAS106_REG4 0x04 /* line/frame L [3..0] */
214#define PAS106_REG5 0x05 /* exposure time line offset(default 5) */
215#define PAS106_REG6 0x06 /* exposure time pixel offset(default 6) */
216#define PAS106_REG7 0x07 /* signbit Dac (default 0) */
217#define PAS106_REG9 0x09
218#define PAS106_REG0e 0x0e /* global gain [4..0](default 0x0e) */
219#define PAS106_REG13 0x13 /* end i2c write */
220
a5ae2062 221static const __u8 GainRGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 };
6a7eba24 222
a5ae2062 223static const __u8 I2c2[] = { 0x08, 0x08, 0x08, 0x08, 0x0d };
6a7eba24 224
a5ae2062 225static const __u8 I2c3[] = { 0x12, 0x05 };
6a7eba24 226
a5ae2062 227static const __u8 I2c4[] = { 0x41, 0x08 };
6a7eba24 228
739570bb
JFM		 229/* read 'len' bytes to gspca_dev->usb_buf */
230static void reg_r(struct gspca_dev *gspca_dev,
231 __u16 index,
232 __u16 len)
6a7eba24 233{
739570bb
JFM		 234 struct usb_device *dev = gspca_dev->dev;
235
335b3f88 236#ifdef GSPCA_DEBUG
739570bb
JFM		 237 if (len > sizeof gspca_dev->usb_buf) {
238 err("reg_r: buffer overflow");
239 return;
240 }
241#endif
6a7eba24
JFM		 242 usb_control_msg(dev,
243 usb_rcvctrlpipe(dev, 0),
244 0,
245 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
739570bb
JFM		 246 0,
247 index, gspca_dev->usb_buf, len, 500);
248 PDEBUG(D_USBI, "reg read [%02x] -> %02x ..",
249 index, gspca_dev->usb_buf[0]);
6a7eba24
JFM		 250}
251
739570bb
JFM		 252static void reg_w_val(struct gspca_dev *gspca_dev,
253 __u16 index,
254 __u8 val)
a5ae2062 255{
739570bb 256 struct usb_device *dev = gspca_dev->dev;
a5ae2062 257
739570bb 258 gspca_dev->usb_buf[0] = val;
a5ae2062
JFM		 259 usb_control_msg(dev,
260 usb_sndctrlpipe(dev, 0),
261 0,
262 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
739570bb
JFM		 263 0,
264 index, gspca_dev->usb_buf, 1, 500);
a5ae2062
JFM		 265}
266
739570bb
JFM		 267static void reg_w(struct gspca_dev *gspca_dev,
268 __u16 index,
269 const __u8 *buffer,
270 __u16 len)
6a7eba24 271{
739570bb 272 struct usb_device *dev = gspca_dev->dev;
bf7f0b98 273
335b3f88 274#ifdef GSPCA_DEBUG
739570bb
JFM		 275 if (len > sizeof gspca_dev->usb_buf) {
276 err("reg_w: buffer overflow");
277 return;
278 }
279 PDEBUG(D_USBO, "reg write [%02x] = %02x..", index, *buffer);
280#endif
281 memcpy(gspca_dev->usb_buf, buffer, len);
6a7eba24
JFM		 282 usb_control_msg(dev,
283 usb_sndctrlpipe(dev, 0),
284 0,
285 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
739570bb 286 0, index, gspca_dev->usb_buf, len, 500);
6a7eba24
JFM		 287}
288
739570bb
JFM		 289static int i2c_w(struct gspca_dev *gspca_dev,
290 __u8 reg,
291 const __u8 *buffer,
d20b2747 292 int len, __u8 mode)
6a7eba24 293{
a5ae2062
JFM		 294 /* buffer should be [D0..D7] */
295 __u8 ptchcount;
296
297 /* set the base address */
739570bb
JFM		 298 reg_w_val(gspca_dev, ET_I2C_BASE, 0x40);
299 /* sensor base for the pas106 */
a5ae2062
JFM		 300 /* set count and prefetch */
301 ptchcount = ((len & 0x07) << 4) | (mode & 0x03);
739570bb 302 reg_w_val(gspca_dev, ET_I2C_COUNT, ptchcount);
a5ae2062 303 /* set the register base */
739570bb 304 reg_w_val(gspca_dev, ET_I2C_REG, reg);
a5ae2062 305 while (--len >= 0)
739570bb 306 reg_w_val(gspca_dev, ET_I2C_DATA0 + len, buffer[len]);
6a7eba24
JFM		 307 return 0;
308}
309
739570bb
JFM		 310static int i2c_r(struct gspca_dev *gspca_dev,
311 __u8 reg)
6a7eba24 312{
a5ae2062 313 /* set the base address */
739570bb
JFM		 314 reg_w_val(gspca_dev, ET_I2C_BASE, 0x40);
315 /* sensor base for the pas106 */
316 /* set count and prefetch (cnd: 4 bits - mode: 4 bits) */
317 reg_w_val(gspca_dev, ET_I2C_COUNT, 0x11);
318 reg_w_val(gspca_dev, ET_I2C_REG, reg); /* set the register base */
319 reg_w_val(gspca_dev, ET_I2C_PREFETCH, 0x02); /* prefetch */
320 reg_w_val(gspca_dev, ET_I2C_PREFETCH, 0x00);
321 reg_r(gspca_dev, ET_I2C_DATA0, 1); /* read one byte */
6a7eba24
JFM		 322 return 0;
323}
324
739570bb 325static int Et_WaitStatus(struct gspca_dev *gspca_dev)
6a7eba24 326{
6a7eba24
JFM		 327 int retry = 10;
328
329 while (retry--) {
739570bb
JFM		 330 reg_r(gspca_dev, ET_ClCK, 1);
331 if (gspca_dev->usb_buf[0] != 0)
6a7eba24
JFM		 332 return 1;
333 }
334 return 0;
335}
336
739570bb
JFM		 337static int et_video(struct gspca_dev *gspca_dev,
338 int on)
6a7eba24 339{
739570bb 340 int ret;
6a7eba24 341
739570bb
JFM		 342 reg_w_val(gspca_dev, ET_GPIO_OUT,
343 on ? 0x10 /* startvideo - set Bit5 */
344 : 0); /* stopvideo */
345 ret = Et_WaitStatus(gspca_dev);
346 if (ret != 0)
a5ae2062 347 PDEBUG(D_ERR, "timeout video on/off");
739570bb 348 return ret;
6a7eba24
JFM		 349}
350
351static void Et_init2(struct gspca_dev *gspca_dev)
352{
a5ae2062 353 __u8 value;
a5ae2062 354 static const __u8 FormLine[] = { 0x84, 0x03, 0x14, 0xf4, 0x01, 0x05 };
6a7eba24
JFM		 355
356 PDEBUG(D_STREAM, "Open Init2 ET");
739570bb
JFM		 357 reg_w_val(gspca_dev, ET_GPIO_DIR_CTRL, 0x2f);
358 reg_w_val(gspca_dev, ET_GPIO_OUT, 0x10);
359 reg_r(gspca_dev, ET_GPIO_IN, 1);
360 reg_w_val(gspca_dev, ET_ClCK, 0x14); /* 0x14 // 0x16 enabled pattern */
361 reg_w_val(gspca_dev, ET_CTRL, 0x1b);
6a7eba24
JFM		 362
363 /* compression et subsampling */
c2446b3e 364 if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv)
6a7eba24
JFM		 365 value = ET_COMP_VAL1; /* 320 */
366 else
367 value = ET_COMP_VAL0; /* 640 */
739570bb
JFM		 368 reg_w_val(gspca_dev, ET_COMP, value);
369 reg_w_val(gspca_dev, ET_MAXQt, 0x1f);
370 reg_w_val(gspca_dev, ET_MINQt, 0x04);
6a7eba24 371 /* undocumented registers */
739570bb
JFM		 372 reg_w_val(gspca_dev, ET_REG1d, 0xff);
373 reg_w_val(gspca_dev, ET_REG1e, 0xff);
374 reg_w_val(gspca_dev, ET_REG1f, 0xff);
375 reg_w_val(gspca_dev, ET_REG20, 0x35);
376 reg_w_val(gspca_dev, ET_REG21, 0x01);
377 reg_w_val(gspca_dev, ET_REG22, 0x00);
378 reg_w_val(gspca_dev, ET_REG23, 0xff);
379 reg_w_val(gspca_dev, ET_REG24, 0xff);
380 reg_w_val(gspca_dev, ET_REG25, 0x0f);
6a7eba24 381 /* colors setting */
739570bb
JFM		 382 reg_w_val(gspca_dev, 0x30, 0x11); /* 0x30 */
383 reg_w_val(gspca_dev, 0x31, 0x40);
384 reg_w_val(gspca_dev, 0x32, 0x00);
385 reg_w_val(gspca_dev, ET_O_RED, 0x00); /* 0x34 */
386 reg_w_val(gspca_dev, ET_O_GREEN1, 0x00);
387 reg_w_val(gspca_dev, ET_O_BLUE, 0x00);
388 reg_w_val(gspca_dev, ET_O_GREEN2, 0x00);
6a7eba24 389 /*************/
739570bb
JFM		 390 reg_w_val(gspca_dev, ET_G_RED, 0x80); /* 0x4d */
391 reg_w_val(gspca_dev, ET_G_GREEN1, 0x80);
392 reg_w_val(gspca_dev, ET_G_BLUE, 0x80);
393 reg_w_val(gspca_dev, ET_G_GREEN2, 0x80);
394 reg_w_val(gspca_dev, ET_G_GR_H, 0x00);
395 reg_w_val(gspca_dev, ET_G_GB_H, 0x00); /* 0x52 */
6a7eba24 396 /* Window control registers */
739570bb
JFM		 397 reg_w_val(gspca_dev, 0x61, 0x80); /* use cmc_out */
398 reg_w_val(gspca_dev, 0x62, 0x02);
399 reg_w_val(gspca_dev, 0x63, 0x03);
400 reg_w_val(gspca_dev, 0x64, 0x14);
401 reg_w_val(gspca_dev, 0x65, 0x0e);
402 reg_w_val(gspca_dev, 0x66, 0x02);
403 reg_w_val(gspca_dev, 0x67, 0x02);
6a7eba24
JFM		 404
405 /**************************************/
739570bb
JFM		 406 reg_w_val(gspca_dev, ET_SYNCHRO, 0x8f); /* 0x68 */
407 reg_w_val(gspca_dev, ET_STARTX, 0x69); /* 0x6a //0x69 */
408 reg_w_val(gspca_dev, ET_STARTY, 0x0d); /* 0x0d //0x0c */
409 reg_w_val(gspca_dev, ET_WIDTH_LOW, 0x80);
410 reg_w_val(gspca_dev, ET_HEIGTH_LOW, 0xe0);
411 reg_w_val(gspca_dev, ET_W_H_HEIGTH, 0x60); /* 6d */
412 reg_w_val(gspca_dev, ET_REG6e, 0x86);
413 reg_w_val(gspca_dev, ET_REG6f, 0x01);
414 reg_w_val(gspca_dev, ET_REG70, 0x26);
415 reg_w_val(gspca_dev, ET_REG71, 0x7a);
416 reg_w_val(gspca_dev, ET_REG72, 0x01);
6a7eba24 417 /* Clock Pattern registers ***************** */
739570bb
JFM		 418 reg_w_val(gspca_dev, ET_REG73, 0x00);
419 reg_w_val(gspca_dev, ET_REG74, 0x18); /* 0x28 */
420 reg_w_val(gspca_dev, ET_REG75, 0x0f); /* 0x01 */
6a7eba24 421 /**********************************************/
739570bb
JFM		 422 reg_w_val(gspca_dev, 0x8a, 0x20);
423 reg_w_val(gspca_dev, 0x8d, 0x0f);
424 reg_w_val(gspca_dev, 0x8e, 0x08);
6a7eba24 425 /**************************************/
739570bb
JFM		 426 reg_w_val(gspca_dev, 0x03, 0x08);
427 reg_w_val(gspca_dev, ET_PXL_CLK, 0x03);
428 reg_w_val(gspca_dev, 0x81, 0xff);
429 reg_w_val(gspca_dev, 0x80, 0x00);
430 reg_w_val(gspca_dev, 0x81, 0xff);
431 reg_w_val(gspca_dev, 0x80, 0x20);
432 reg_w_val(gspca_dev, 0x03, 0x01);
433 reg_w_val(gspca_dev, 0x03, 0x00);
434 reg_w_val(gspca_dev, 0x03, 0x08);
6a7eba24
JFM		 435 /********************************************/
436
739570bb 437/* reg_r(gspca_dev, ET_I2C_BASE, 1);
6a7eba24
JFM		 438 always 0x40 as the pas106 ??? */
439 /* set the sensor */
c2446b3e 440 if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv)
a5ae2062
JFM		 441 value = 0x04; /* 320 */
442 else /* 640 */
443 value = 0x1e; /* 0x17 * setting PixelClock
444 * 0x03 mean 24/(3+1) = 6 Mhz
445 * 0x05 -> 24/(5+1) = 4 Mhz
446 * 0x0b -> 24/(11+1) = 2 Mhz
447 * 0x17 -> 24/(23+1) = 1 Mhz
448 */
739570bb 449 reg_w_val(gspca_dev, ET_PXL_CLK, value);
a5ae2062 450 /* now set by fifo the FormatLine setting */
739570bb 451 reg_w(gspca_dev, 0x62, FormLine, 6);
6a7eba24
JFM		 452
453 /* set exposure times [ 0..0x78] 0->longvalue 0x78->shortvalue */
739570bb
JFM		 454 reg_w_val(gspca_dev, 0x81, 0x47); /* 0x47; */
455 reg_w_val(gspca_dev, 0x80, 0x40); /* 0x40; */
6a7eba24
JFM		 456 /* Pedro change */
457 /* Brightness change Brith+ decrease value */
458 /* Brigth- increase value */
459 /* original value = 0x70; */
739570bb
JFM		 460 reg_w_val(gspca_dev, 0x81, 0x30); /* 0x20; - set brightness */
461 reg_w_val(gspca_dev, 0x80, 0x20); /* 0x20; */
6a7eba24
JFM		 462}
463
464static void setcolors(struct gspca_dev *gspca_dev)
465{
466 struct sd *sd = (struct sd *) gspca_dev;
a5ae2062 467 __u8 I2cc[] = { 0x05, 0x02, 0x02, 0x05, 0x0d };
6a7eba24
JFM		 468 __u8 i2cflags = 0x01;
469 /* __u8 green = 0; */
470 __u8 colors = sd->colors;
471
472 I2cc[3] = colors; /* red */
473 I2cc[0] = 15 - colors; /* blue */
474 /* green = 15 - ((((7*I2cc[0]) >> 2 ) + I2cc[3]) >> 1); */
475 /* I2cc[1] = I2cc[2] = green; */
476 if (sd->sensor == SENSOR_PAS106) {
739570bb
JFM		 477 i2c_w(gspca_dev, PAS106_REG13, &i2cflags, 1, 3);
478 i2c_w(gspca_dev, PAS106_REG9, I2cc, sizeof I2cc, 1);
6a7eba24
JFM		 479 }
480/* PDEBUG(D_CONF , "Etoms red %d blue %d green %d",
481 I2cc[3], I2cc[0], green); */
482}
483
484static void getcolors(struct gspca_dev *gspca_dev)
485{
486 struct sd *sd = (struct sd *) gspca_dev;
6a7eba24
JFM		 487
488 if (sd->sensor == SENSOR_PAS106) {
739570bb
JFM		 489/* i2c_r(gspca_dev, PAS106_REG9); * blue */
490 i2c_r(gspca_dev, PAS106_REG9 + 3); /* red */
491 sd->colors = gspca_dev->usb_buf[0] & 0x0f;
6a7eba24
JFM		 492 }
493}
494
495static void Et_init1(struct gspca_dev *gspca_dev)
496{
a5ae2062 497 __u8 value;
a5ae2062 498/* __u8 I2c0 [] = {0x0a, 0x12, 0x05, 0x22, 0xac, 0x00, 0x01, 0x00}; */
6a7eba24
JFM		 499 __u8 I2c0[] = { 0x0a, 0x12, 0x05, 0x6d, 0xcd, 0x00, 0x01, 0x00 };
500 /* try 1/120 0x6d 0xcd 0x40 */
a5ae2062 501/* __u8 I2c0 [] = {0x0a, 0x12, 0x05, 0xfe, 0xfe, 0xc0, 0x01, 0x00};
6a7eba24
JFM		 502 * 1/60000 hmm ?? */
503
504 PDEBUG(D_STREAM, "Open Init1 ET");
739570bb
JFM		 505 reg_w_val(gspca_dev, ET_GPIO_DIR_CTRL, 7);
506 reg_r(gspca_dev, ET_GPIO_IN, 1);
507 reg_w_val(gspca_dev, ET_RESET_ALL, 1);
508 reg_w_val(gspca_dev, ET_RESET_ALL, 0);
509 reg_w_val(gspca_dev, ET_ClCK, 0x10);
510 reg_w_val(gspca_dev, ET_CTRL, 0x19);
6a7eba24 511 /* compression et subsampling */
c2446b3e 512 if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv)
6a7eba24
JFM		 513 value = ET_COMP_VAL1;
514 else
515 value = ET_COMP_VAL0;
6a7eba24 516 PDEBUG(D_STREAM, "Open mode %d Compression %d",
c2446b3e 517 gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv,
6a7eba24 518 value);
739570bb
JFM		 519 reg_w_val(gspca_dev, ET_COMP, value);
520 reg_w_val(gspca_dev, ET_MAXQt, 0x1d);
521 reg_w_val(gspca_dev, ET_MINQt, 0x02);
6a7eba24 522 /* undocumented registers */
739570bb
JFM		 523 reg_w_val(gspca_dev, ET_REG1d, 0xff);
524 reg_w_val(gspca_dev, ET_REG1e, 0xff);
525 reg_w_val(gspca_dev, ET_REG1f, 0xff);
526 reg_w_val(gspca_dev, ET_REG20, 0x35);
527 reg_w_val(gspca_dev, ET_REG21, 0x01);
528 reg_w_val(gspca_dev, ET_REG22, 0x00);
529 reg_w_val(gspca_dev, ET_REG23, 0xf7);
530 reg_w_val(gspca_dev, ET_REG24, 0xff);
531 reg_w_val(gspca_dev, ET_REG25, 0x07);
6a7eba24 532 /* colors setting */
739570bb
JFM		 533 reg_w_val(gspca_dev, ET_G_RED, 0x80);
534 reg_w_val(gspca_dev, ET_G_GREEN1, 0x80);
535 reg_w_val(gspca_dev, ET_G_BLUE, 0x80);
536 reg_w_val(gspca_dev, ET_G_GREEN2, 0x80);
537 reg_w_val(gspca_dev, ET_G_GR_H, 0x00);
538 reg_w_val(gspca_dev, ET_G_GB_H, 0x00);
6a7eba24 539 /* Window control registers */
739570bb
JFM		 540 reg_w_val(gspca_dev, ET_SYNCHRO, 0xf0);
541 reg_w_val(gspca_dev, ET_STARTX, 0x56); /* 0x56 */
542 reg_w_val(gspca_dev, ET_STARTY, 0x05); /* 0x04 */
543 reg_w_val(gspca_dev, ET_WIDTH_LOW, 0x60);
544 reg_w_val(gspca_dev, ET_HEIGTH_LOW, 0x20);
545 reg_w_val(gspca_dev, ET_W_H_HEIGTH, 0x50);
546 reg_w_val(gspca_dev, ET_REG6e, 0x86);
547 reg_w_val(gspca_dev, ET_REG6f, 0x01);
548 reg_w_val(gspca_dev, ET_REG70, 0x86);
549 reg_w_val(gspca_dev, ET_REG71, 0x14);
550 reg_w_val(gspca_dev, ET_REG72, 0x00);
6a7eba24 551 /* Clock Pattern registers */
739570bb
JFM		 552 reg_w_val(gspca_dev, ET_REG73, 0x00);
553 reg_w_val(gspca_dev, ET_REG74, 0x00);
554 reg_w_val(gspca_dev, ET_REG75, 0x0a);
555 reg_w_val(gspca_dev, ET_I2C_CLK, 0x04);
556 reg_w_val(gspca_dev, ET_PXL_CLK, 0x01);
6a7eba24 557 /* set the sensor */
c2446b3e 558 if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) {
6a7eba24 559 I2c0[0] = 0x06;
739570bb
JFM		 560 i2c_w(gspca_dev, PAS106_REG2, I2c0, sizeof I2c0, 1);
561 i2c_w(gspca_dev, PAS106_REG9, I2c2, sizeof I2c2, 1);
6a7eba24 562 value = 0x06;
739570bb
JFM		 563 i2c_w(gspca_dev, PAS106_REG2, &value, 1, 1);
564 i2c_w(gspca_dev, PAS106_REG3, I2c3, sizeof I2c3, 1);
6a7eba24
JFM		 565 /* value = 0x1f; */
566 value = 0x04;
739570bb 567 i2c_w(gspca_dev, PAS106_REG0e, &value, 1, 1);
6a7eba24
JFM		 568 } else {
569 I2c0[0] = 0x0a;
570
739570bb
JFM		 571 i2c_w(gspca_dev, PAS106_REG2, I2c0, sizeof I2c0, 1);
572 i2c_w(gspca_dev, PAS106_REG9, I2c2, sizeof I2c2, 1);
6a7eba24 573 value = 0x0a;
739570bb
JFM		 574 i2c_w(gspca_dev, PAS106_REG2, &value, 1, 1);
575 i2c_w(gspca_dev, PAS106_REG3, I2c3, sizeof I2c3, 1);
6a7eba24
JFM		 576 value = 0x04;
577 /* value = 0x10; */
739570bb 578 i2c_w(gspca_dev, PAS106_REG0e, &value, 1, 1);
6a7eba24
JFM		 579 /* bit 2 enable bit 1:2 select 0 1 2 3
580 value = 0x07; * curve 0 *
739570bb 581 i2c_w(gspca_dev, PAS106_REG0f, &value, 1, 1);
6a7eba24
JFM		 582 */
583 }
584
585/* value = 0x01; */
586/* value = 0x22; */
739570bb 587/* i2c_w(gspca_dev, PAS106_REG5, &value, 1, 1); */
6a7eba24 588 /* magnetude and sign bit for DAC */
739570bb 589 i2c_w(gspca_dev, PAS106_REG7, I2c4, sizeof I2c4, 1);
6a7eba24 590 /* now set by fifo the whole colors setting */
739570bb 591 reg_w(gspca_dev, ET_G_RED, GainRGBG, 6);
6a7eba24
JFM		 592 getcolors(gspca_dev);
593 setcolors(gspca_dev);
594}
595
596/* this function is called at probe time */
597static int sd_config(struct gspca_dev *gspca_dev,
598 const struct usb_device_id *id)
599{
600 struct sd *sd = (struct sd *) gspca_dev;
601 struct cam *cam;
9d64fdb1 602
6a7eba24 603 cam = &gspca_dev->cam;
6a7eba24 604 cam->epaddr = 1;
9d64fdb1 605 sd->sensor = id->driver_info;
6a7eba24
JFM		 606 if (sd->sensor == SENSOR_PAS106) {
607 cam->cam_mode = sif_mode;
608 cam->nmodes = sizeof sif_mode / sizeof sif_mode[0];
609 } else {
610 cam->cam_mode = vga_mode;
611 cam->nmodes = sizeof vga_mode / sizeof vga_mode[0];
612 }
a5ae2062
JFM		 613 sd->brightness = BRIGHTNESS_DEF;
614 sd->contrast = CONTRAST_DEF;
615 sd->colors = COLOR_DEF;
616 sd->autogain = AUTOGAIN_DEF;
6a7eba24
JFM		 617 return 0;
618}
619
620/* this function is called at open time */
621static int sd_open(struct gspca_dev *gspca_dev)
622{
623 struct sd *sd = (struct sd *) gspca_dev;
6a7eba24 624
6a7eba24
JFM		 625 if (sd->sensor == SENSOR_PAS106)
626 Et_init1(gspca_dev);
627 else
628 Et_init2(gspca_dev);
739570bb
JFM		 629 reg_w_val(gspca_dev, ET_RESET_ALL, 0x08);
630 et_video(gspca_dev, 0); /* video off */
6a7eba24
JFM		 631 return 0;
632}
633
634/* -- start the camera -- */
635static void sd_start(struct gspca_dev *gspca_dev)
636{
637 struct sd *sd = (struct sd *) gspca_dev;
6a7eba24
JFM		 638
639 if (sd->sensor == SENSOR_PAS106)
640 Et_init1(gspca_dev);
641 else
642 Et_init2(gspca_dev);
643
739570bb
JFM		 644 reg_w_val(gspca_dev, ET_RESET_ALL, 0x08);
645 et_video(gspca_dev, 1); /* video on */
6a7eba24
JFM		 646}
647
648static void sd_stopN(struct gspca_dev *gspca_dev)
649{
739570bb 650 et_video(gspca_dev, 0); /* video off */
6a7eba24
JFM		 651}
652
653static void sd_stop0(struct gspca_dev *gspca_dev)
654{
655}
656
657static void sd_close(struct gspca_dev *gspca_dev)
658{
659}
660
661static void setbrightness(struct gspca_dev *gspca_dev)
662{
663 struct sd *sd = (struct sd *) gspca_dev;
664 int i;
665 __u8 brightness = sd->brightness;
666
667 for (i = 0; i < 4; i++)
739570bb 668 reg_w_val(gspca_dev, ET_O_RED + i, brightness);
6a7eba24
JFM		 669}
670
671static void getbrightness(struct gspca_dev *gspca_dev)
672{
673 struct sd *sd = (struct sd *) gspca_dev;
674 int i;
675 int brightness = 0;
6a7eba24
JFM		 676
677 for (i = 0; i < 4; i++) {
739570bb
JFM		 678 reg_r(gspca_dev, ET_O_RED + i, 1);
679 brightness += gspca_dev->usb_buf[0];
6a7eba24
JFM		 680 }
681 sd->brightness = brightness >> 3;
682}
683
684static void setcontrast(struct gspca_dev *gspca_dev)
685{
686 struct sd *sd = (struct sd *) gspca_dev;
687 __u8 RGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 };
688 __u8 contrast = sd->contrast;
689
739570bb
JFM		 690 memset(RGBG, contrast, sizeof(RGBG) - 2);
691 reg_w(gspca_dev, ET_G_RED, RGBG, 6);
6a7eba24
JFM		 692}
693
694static void getcontrast(struct gspca_dev *gspca_dev)
695{
696 struct sd *sd = (struct sd *) gspca_dev;
697 int i;
698 int contrast = 0;
6a7eba24
JFM		 699
700 for (i = 0; i < 4; i++) {
739570bb
JFM		 701 reg_r(gspca_dev, ET_G_RED + i, 1);
702 contrast += gspca_dev->usb_buf[0];
6a7eba24
JFM		 703 }
704 sd->contrast = contrast >> 2;
705}
706
707static __u8 Et_getgainG(struct gspca_dev *gspca_dev)
708{
709 struct sd *sd = (struct sd *) gspca_dev;
6a7eba24
JFM		 710
711 if (sd->sensor == SENSOR_PAS106) {
739570bb
JFM		 712 i2c_r(gspca_dev, PAS106_REG0e);
713 PDEBUG(D_CONF, "Etoms gain G %d", gspca_dev->usb_buf[0]);
714 return gspca_dev->usb_buf[0];
6a7eba24
JFM		 715 }
716 return 0x1f;
717}
718
719static void Et_setgainG(struct gspca_dev *gspca_dev, __u8 gain)
720{
721 struct sd *sd = (struct sd *) gspca_dev;
6a7eba24
JFM		 722
723 if (sd->sensor == SENSOR_PAS106) {
739570bb
JFM		 724 __u8 i2cflags = 0x01;
725
726 i2c_w(gspca_dev, PAS106_REG13, &i2cflags, 1, 3);
727 i2c_w(gspca_dev, PAS106_REG0e, &gain, 1, 1);
6a7eba24
JFM		 728 }
729}
730
731#define BLIMIT(bright) \
732 (__u8)((bright > 0x1f)?0x1f:((bright < 4)?3:bright))
733#define LIMIT(color) \
734 (unsigned char)((color > 0xff)?0xff:((color < 0)?0:color))
735
736static void setautogain(struct gspca_dev *gspca_dev)
737{
6a7eba24
JFM		 738 __u8 luma = 0;
739 __u8 luma_mean = 128;
740 __u8 luma_delta = 20;
741 __u8 spring = 4;
742 int Gbright = 0;
743 __u8 r, g, b;
744
745 Gbright = Et_getgainG(gspca_dev);
739570bb
JFM		 746 reg_r(gspca_dev, ET_LUMA_CENTER, 4);
747 g = (gspca_dev->usb_buf[0] + gspca_dev->usb_buf[3]) >> 1;
748 r = gspca_dev->usb_buf[1];
749 b = gspca_dev->usb_buf[2];
6a7eba24
JFM		 750 r = ((r << 8) - (r << 4) - (r << 3)) >> 10;
751 b = ((b << 7) >> 10);
752 g = ((g << 9) + (g << 7) + (g << 5)) >> 10;
753 luma = LIMIT(r + g + b);
754 PDEBUG(D_FRAM, "Etoms luma G %d", luma);
755 if (luma < luma_mean - luma_delta || luma > luma_mean + luma_delta) {
756 Gbright += (luma_mean - luma) >> spring;
757 Gbright = BLIMIT(Gbright);
758 PDEBUG(D_FRAM, "Etoms Gbright %d", Gbright);
759 Et_setgainG(gspca_dev, (__u8) Gbright);
760 }
761}
762
763#undef BLIMIT
764#undef LIMIT
765
766static void sd_pkt_scan(struct gspca_dev *gspca_dev,
767 struct gspca_frame *frame, /* target */
a5ae2062 768 __u8 *data, /* isoc packet */
6a7eba24
JFM		 769 int len) /* iso packet length */
770{
771 struct sd *sd;
772 int seqframe;
773
774 seqframe = data[0] & 0x3f;
775 len = (int) (((data[0] & 0xc0) << 2) | data[1]);
776 if (seqframe == 0x3f) {
777 PDEBUG(D_FRAM,
778 "header packet found datalength %d !!", len);
779 PDEBUG(D_FRAM, "G %d R %d G %d B %d",
780 data[2], data[3], data[4], data[5]);
781 data += 30;
782 /* don't change datalength as the chips provided it */
783 frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
784 data, 0);
785 gspca_frame_add(gspca_dev, FIRST_PACKET, frame, data, len);
786 sd = (struct sd *) gspca_dev;
787 if (sd->ag_cnt >= 0) {
788 if (--sd->ag_cnt < 0) {
789 sd->ag_cnt = AG_CNT_START;
790 setautogain(gspca_dev);
791 }
792 }
793 return;
794 }
795 if (len) {
796 data += 8;
797 gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
798 } else { /* Drop Packet */
799 gspca_dev->last_packet_type = DISCARD_PACKET;
800 }
801}
802
803static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
804{
805 struct sd *sd = (struct sd *) gspca_dev;
806
807 sd->brightness = val;
808 if (gspca_dev->streaming)
809 setbrightness(gspca_dev);
810 return 0;
811}
812
813static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
814{
815 struct sd *sd = (struct sd *) gspca_dev;
816
817 getbrightness(gspca_dev);
818 *val = sd->brightness;
819 return 0;
820}
821
822static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
823{
824 struct sd *sd = (struct sd *) gspca_dev;
825
826 sd->contrast = val;
827 if (gspca_dev->streaming)
828 setcontrast(gspca_dev);
829 return 0;
830}
831
832static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
833{
834 struct sd *sd = (struct sd *) gspca_dev;
835
836 getcontrast(gspca_dev);
837 *val = sd->contrast;
838 return 0;
839}
840
841static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val)
842{
843 struct sd *sd = (struct sd *) gspca_dev;
844
845 sd->colors = val;
846 if (gspca_dev->streaming)
847 setcolors(gspca_dev);
848 return 0;
849}
850
851static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val)
852{
853 struct sd *sd = (struct sd *) gspca_dev;
854
855 getcolors(gspca_dev);
856 *val = sd->colors;
857 return 0;
858}
859
860static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
861{
862 struct sd *sd = (struct sd *) gspca_dev;
863
864 sd->autogain = val;
865 if (val)
866 sd->ag_cnt = AG_CNT_START;
867 else
868 sd->ag_cnt = -1;
869 return 0;
870}
871
872static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
873{
874 struct sd *sd = (struct sd *) gspca_dev;
875
876 *val = sd->autogain;
877 return 0;
878}
879
880/* sub-driver description */
881static struct sd_desc sd_desc = {
882 .name = MODULE_NAME,
883 .ctrls = sd_ctrls,
884 .nctrls = ARRAY_SIZE(sd_ctrls),
885 .config = sd_config,
886 .open = sd_open,
887 .start = sd_start,
888 .stopN = sd_stopN,
889 .stop0 = sd_stop0,
890 .close = sd_close,
891 .pkt_scan = sd_pkt_scan,
892};
893
894/* -- module initialisation -- */
6a7eba24 895static __devinitdata struct usb_device_id device_table[] = {
c41492c8 896#ifndef CONFIG_USB_ET61X251
9d64fdb1 897 {USB_DEVICE(0x102c, 0x6151), .driver_info = SENSOR_PAS106},
c41492c8 898#endif
9d64fdb1 899 {USB_DEVICE(0x102c, 0x6251), .driver_info = SENSOR_TAS5130CXX},
6a7eba24
JFM		 900 {}
901};
902
903MODULE_DEVICE_TABLE(usb, device_table);
904
905/* -- device connect -- */
906static int sd_probe(struct usb_interface *intf,
907 const struct usb_device_id *id)
908{
909 return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
910 THIS_MODULE);
911}
912
913static struct usb_driver sd_driver = {
914 .name = MODULE_NAME,
915 .id_table = device_table,
916 .probe = sd_probe,
917 .disconnect = gspca_disconnect,
918};
919
920/* -- module insert / remove -- */
921static int __init sd_mod_init(void)
922{
923 if (usb_register(&sd_driver) < 0)
924 return -1;
10b0e96e 925 PDEBUG(D_PROBE, "registered");
6a7eba24
JFM		 926 return 0;
927}
928
929static void __exit sd_mod_exit(void)
930{
931 usb_deregister(&sd_driver);
932 PDEBUG(D_PROBE, "deregistered");
933}
934
935module_init(sd_mod_init);
936module_exit(sd_mod_exit);
Linux kernel - Deliverables
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