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[media] b2c2: fix driver's build due to the lack of pci DMA code
[mirror_ubuntu-artful-kernel.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
133a9fe9
JP		 21#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
22
6a7eba24
JFM		 23#define MODULE_NAME "etoms"
24
25#include "gspca.h"
26
6a7eba24
JFM		 27MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
28MODULE_DESCRIPTION("Etoms USB Camera Driver");
29MODULE_LICENSE("GPL");
30
31/* specific webcam descriptor */
32struct sd {
33 struct gspca_dev gspca_dev; /* !! must be the first item */
34
6a7eba24
JFM		 35 unsigned char autogain;
36
37 char sensor;
38#define SENSOR_PAS106 0
39#define SENSOR_TAS5130CXX 1
40 signed char ag_cnt;
41#define AG_CNT_START 13
42};
43
cc611b8a 44static const struct v4l2_pix_format vga_mode[] = {
c2446b3e
JFM		 45 {320, 240, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
46 .bytesperline = 320,
47 .sizeimage = 320 * 240,
48 .colorspace = V4L2_COLORSPACE_SRGB,
49 .priv = 1},
50/* {640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
51 .bytesperline = 640,
52 .sizeimage = 640 * 480,
53 .colorspace = V4L2_COLORSPACE_SRGB,
54 .priv = 0}, */
6a7eba24
JFM		 55};
56
cc611b8a 57static const struct v4l2_pix_format sif_mode[] = {
c2446b3e
JFM		 58 {176, 144, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
59 .bytesperline = 176,
60 .sizeimage = 176 * 144,
61 .colorspace = V4L2_COLORSPACE_SRGB,
62 .priv = 1},
63 {352, 288, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
64 .bytesperline = 352,
65 .sizeimage = 352 * 288,
66 .colorspace = V4L2_COLORSPACE_SRGB,
67 .priv = 0},
6a7eba24
JFM		 68};
69
70#define ETOMS_ALT_SIZE_1000 12
71
72#define ET_GPIO_DIR_CTRL 0x04 /* Control IO bit[0..5] (0 in 1 out) */
73#define ET_GPIO_OUT 0x05 /* Only IO data */
74#define ET_GPIO_IN 0x06 /* Read Only IO data */
75#define ET_RESET_ALL 0x03
76#define ET_ClCK 0x01
77#define ET_CTRL 0x02 /* enable i2c OutClck Powerdown mode */
78
79#define ET_COMP 0x12 /* Compression register */
80#define ET_MAXQt 0x13
81#define ET_MINQt 0x14
82#define ET_COMP_VAL0 0x02
83#define ET_COMP_VAL1 0x03
84
85#define ET_REG1d 0x1d
86#define ET_REG1e 0x1e
87#define ET_REG1f 0x1f
88#define ET_REG20 0x20
89#define ET_REG21 0x21
90#define ET_REG22 0x22
91#define ET_REG23 0x23
92#define ET_REG24 0x24
93#define ET_REG25 0x25
94/* base registers for luma calculation */
95#define ET_LUMA_CENTER 0x39
96
97#define ET_G_RED 0x4d
98#define ET_G_GREEN1 0x4e
99#define ET_G_BLUE 0x4f
100#define ET_G_GREEN2 0x50
101#define ET_G_GR_H 0x51
102#define ET_G_GB_H 0x52
103
104#define ET_O_RED 0x34
105#define ET_O_GREEN1 0x35
106#define ET_O_BLUE 0x36
107#define ET_O_GREEN2 0x37
108
109#define ET_SYNCHRO 0x68
110#define ET_STARTX 0x69
111#define ET_STARTY 0x6a
112#define ET_WIDTH_LOW 0x6b
113#define ET_HEIGTH_LOW 0x6c
114#define ET_W_H_HEIGTH 0x6d
115
116#define ET_REG6e 0x6e /* OBW */
117#define ET_REG6f 0x6f /* OBW */
118#define ET_REG70 0x70 /* OBW_AWB */
119#define ET_REG71 0x71 /* OBW_AWB */
120#define ET_REG72 0x72 /* OBW_AWB */
121#define ET_REG73 0x73 /* Clkdelay ns */
122#define ET_REG74 0x74 /* test pattern */
123#define ET_REG75 0x75 /* test pattern */
124
125#define ET_I2C_CLK 0x8c
126#define ET_PXL_CLK 0x60
127
128#define ET_I2C_BASE 0x89
129#define ET_I2C_COUNT 0x8a
130#define ET_I2C_PREFETCH 0x8b
131#define ET_I2C_REG 0x88
132#define ET_I2C_DATA7 0x87
133#define ET_I2C_DATA6 0x86
134#define ET_I2C_DATA5 0x85
135#define ET_I2C_DATA4 0x84
136#define ET_I2C_DATA3 0x83
137#define ET_I2C_DATA2 0x82
138#define ET_I2C_DATA1 0x81
139#define ET_I2C_DATA0 0x80
140
141#define PAS106_REG2 0x02 /* pxlClk = systemClk/(reg2) */
142#define PAS106_REG3 0x03 /* line/frame H [11..4] */
143#define PAS106_REG4 0x04 /* line/frame L [3..0] */
144#define PAS106_REG5 0x05 /* exposure time line offset(default 5) */
145#define PAS106_REG6 0x06 /* exposure time pixel offset(default 6) */
146#define PAS106_REG7 0x07 /* signbit Dac (default 0) */
147#define PAS106_REG9 0x09
148#define PAS106_REG0e 0x0e /* global gain [4..0](default 0x0e) */
149#define PAS106_REG13 0x13 /* end i2c write */
150
a5ae2062 151static const __u8 GainRGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 };
6a7eba24 152
a5ae2062 153static const __u8 I2c2[] = { 0x08, 0x08, 0x08, 0x08, 0x0d };
6a7eba24 154
a5ae2062 155static const __u8 I2c3[] = { 0x12, 0x05 };
6a7eba24 156
a5ae2062 157static const __u8 I2c4[] = { 0x41, 0x08 };
6a7eba24 158
739570bb
JFM		 159/* read 'len' bytes to gspca_dev->usb_buf */
160static void reg_r(struct gspca_dev *gspca_dev,
161 __u16 index,
162 __u16 len)
6a7eba24 163{
739570bb
JFM		 164 struct usb_device *dev = gspca_dev->dev;
165
335b3f88 166#ifdef GSPCA_DEBUG
8295d99e 167 if (len > USB_BUF_SZ) {
133a9fe9 168 pr_err("reg_r: buffer overflow\n");
739570bb
JFM		 169 return;
170 }
171#endif
6a7eba24
JFM		 172 usb_control_msg(dev,
173 usb_rcvctrlpipe(dev, 0),
174 0,
175 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
739570bb
JFM		 176 0,
177 index, gspca_dev->usb_buf, len, 500);
178 PDEBUG(D_USBI, "reg read [%02x] -> %02x ..",
179 index, gspca_dev->usb_buf[0]);
6a7eba24
JFM		 180}
181
739570bb
JFM		 182static void reg_w_val(struct gspca_dev *gspca_dev,
183 __u16 index,
184 __u8 val)
a5ae2062 185{
739570bb 186 struct usb_device *dev = gspca_dev->dev;
a5ae2062 187
739570bb 188 gspca_dev->usb_buf[0] = val;
a5ae2062
JFM		 189 usb_control_msg(dev,
190 usb_sndctrlpipe(dev, 0),
191 0,
192 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
739570bb
JFM		 193 0,
194 index, gspca_dev->usb_buf, 1, 500);
a5ae2062
JFM		 195}
196
739570bb
JFM		 197static void reg_w(struct gspca_dev *gspca_dev,
198 __u16 index,
199 const __u8 *buffer,
200 __u16 len)
6a7eba24 201{
739570bb 202 struct usb_device *dev = gspca_dev->dev;
bf7f0b98 203
335b3f88 204#ifdef GSPCA_DEBUG
8295d99e 205 if (len > USB_BUF_SZ) {
133a9fe9 206 pr_err("reg_w: buffer overflow\n");
739570bb
JFM		 207 return;
208 }
209 PDEBUG(D_USBO, "reg write [%02x] = %02x..", index, *buffer);
210#endif
211 memcpy(gspca_dev->usb_buf, buffer, len);
6a7eba24
JFM		 212 usb_control_msg(dev,
213 usb_sndctrlpipe(dev, 0),
214 0,
215 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
739570bb 216 0, index, gspca_dev->usb_buf, len, 500);
6a7eba24
JFM		 217}
218
739570bb
JFM		 219static int i2c_w(struct gspca_dev *gspca_dev,
220 __u8 reg,
221 const __u8 *buffer,
d20b2747 222 int len, __u8 mode)
6a7eba24 223{
a5ae2062
JFM		 224 /* buffer should be [D0..D7] */
225 __u8 ptchcount;
226
227 /* set the base address */
739570bb
JFM		 228 reg_w_val(gspca_dev, ET_I2C_BASE, 0x40);
229 /* sensor base for the pas106 */
a5ae2062
JFM		 230 /* set count and prefetch */
231 ptchcount = ((len & 0x07) << 4) | (mode & 0x03);
739570bb 232 reg_w_val(gspca_dev, ET_I2C_COUNT, ptchcount);
a5ae2062 233 /* set the register base */
739570bb 234 reg_w_val(gspca_dev, ET_I2C_REG, reg);
a5ae2062 235 while (--len >= 0)
739570bb 236 reg_w_val(gspca_dev, ET_I2C_DATA0 + len, buffer[len]);
6a7eba24
JFM		 237 return 0;
238}
239
739570bb
JFM		 240static int i2c_r(struct gspca_dev *gspca_dev,
241 __u8 reg)
6a7eba24 242{
a5ae2062 243 /* set the base address */
739570bb
JFM		 244 reg_w_val(gspca_dev, ET_I2C_BASE, 0x40);
245 /* sensor base for the pas106 */
246 /* set count and prefetch (cnd: 4 bits - mode: 4 bits) */
247 reg_w_val(gspca_dev, ET_I2C_COUNT, 0x11);
248 reg_w_val(gspca_dev, ET_I2C_REG, reg); /* set the register base */
249 reg_w_val(gspca_dev, ET_I2C_PREFETCH, 0x02); /* prefetch */
250 reg_w_val(gspca_dev, ET_I2C_PREFETCH, 0x00);
251 reg_r(gspca_dev, ET_I2C_DATA0, 1); /* read one byte */
6a7eba24
JFM		 252 return 0;
253}
254
739570bb 255static int Et_WaitStatus(struct gspca_dev *gspca_dev)
6a7eba24 256{
6a7eba24
JFM		 257 int retry = 10;
258
259 while (retry--) {
739570bb
JFM		 260 reg_r(gspca_dev, ET_ClCK, 1);
261 if (gspca_dev->usb_buf[0] != 0)
6a7eba24
JFM		 262 return 1;
263 }
264 return 0;
265}
266
739570bb
JFM		 267static int et_video(struct gspca_dev *gspca_dev,
268 int on)
6a7eba24 269{
739570bb 270 int ret;
6a7eba24 271
739570bb
JFM		 272 reg_w_val(gspca_dev, ET_GPIO_OUT,
273 on ? 0x10 /* startvideo - set Bit5 */
274 : 0); /* stopvideo */
275 ret = Et_WaitStatus(gspca_dev);
276 if (ret != 0)
a5ae2062 277 PDEBUG(D_ERR, "timeout video on/off");
739570bb 278 return ret;
6a7eba24
JFM		 279}
280
281static void Et_init2(struct gspca_dev *gspca_dev)
282{
a5ae2062 283 __u8 value;
a5ae2062 284 static const __u8 FormLine[] = { 0x84, 0x03, 0x14, 0xf4, 0x01, 0x05 };
6a7eba24
JFM		 285
286 PDEBUG(D_STREAM, "Open Init2 ET");
739570bb
JFM		 287 reg_w_val(gspca_dev, ET_GPIO_DIR_CTRL, 0x2f);
288 reg_w_val(gspca_dev, ET_GPIO_OUT, 0x10);
289 reg_r(gspca_dev, ET_GPIO_IN, 1);
290 reg_w_val(gspca_dev, ET_ClCK, 0x14); /* 0x14 // 0x16 enabled pattern */
291 reg_w_val(gspca_dev, ET_CTRL, 0x1b);
6a7eba24
JFM		 292
293 /* compression et subsampling */
c2446b3e 294 if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv)
6a7eba24
JFM		 295 value = ET_COMP_VAL1; /* 320 */
296 else
297 value = ET_COMP_VAL0; /* 640 */
739570bb
JFM		 298 reg_w_val(gspca_dev, ET_COMP, value);
299 reg_w_val(gspca_dev, ET_MAXQt, 0x1f);
300 reg_w_val(gspca_dev, ET_MINQt, 0x04);
6a7eba24 301 /* undocumented registers */
739570bb
JFM		 302 reg_w_val(gspca_dev, ET_REG1d, 0xff);
303 reg_w_val(gspca_dev, ET_REG1e, 0xff);
304 reg_w_val(gspca_dev, ET_REG1f, 0xff);
305 reg_w_val(gspca_dev, ET_REG20, 0x35);
306 reg_w_val(gspca_dev, ET_REG21, 0x01);
307 reg_w_val(gspca_dev, ET_REG22, 0x00);
308 reg_w_val(gspca_dev, ET_REG23, 0xff);
309 reg_w_val(gspca_dev, ET_REG24, 0xff);
310 reg_w_val(gspca_dev, ET_REG25, 0x0f);
6a7eba24 311 /* colors setting */
739570bb
JFM		 312 reg_w_val(gspca_dev, 0x30, 0x11); /* 0x30 */
313 reg_w_val(gspca_dev, 0x31, 0x40);
314 reg_w_val(gspca_dev, 0x32, 0x00);
315 reg_w_val(gspca_dev, ET_O_RED, 0x00); /* 0x34 */
316 reg_w_val(gspca_dev, ET_O_GREEN1, 0x00);
317 reg_w_val(gspca_dev, ET_O_BLUE, 0x00);
318 reg_w_val(gspca_dev, ET_O_GREEN2, 0x00);
6a7eba24 319 /*************/
739570bb
JFM		 320 reg_w_val(gspca_dev, ET_G_RED, 0x80); /* 0x4d */
321 reg_w_val(gspca_dev, ET_G_GREEN1, 0x80);
322 reg_w_val(gspca_dev, ET_G_BLUE, 0x80);
323 reg_w_val(gspca_dev, ET_G_GREEN2, 0x80);
324 reg_w_val(gspca_dev, ET_G_GR_H, 0x00);
325 reg_w_val(gspca_dev, ET_G_GB_H, 0x00); /* 0x52 */
6a7eba24 326 /* Window control registers */
739570bb
JFM		 327 reg_w_val(gspca_dev, 0x61, 0x80); /* use cmc_out */
328 reg_w_val(gspca_dev, 0x62, 0x02);
329 reg_w_val(gspca_dev, 0x63, 0x03);
330 reg_w_val(gspca_dev, 0x64, 0x14);
331 reg_w_val(gspca_dev, 0x65, 0x0e);
332 reg_w_val(gspca_dev, 0x66, 0x02);
333 reg_w_val(gspca_dev, 0x67, 0x02);
6a7eba24
JFM		 334
335 /**************************************/
739570bb
JFM		 336 reg_w_val(gspca_dev, ET_SYNCHRO, 0x8f); /* 0x68 */
337 reg_w_val(gspca_dev, ET_STARTX, 0x69); /* 0x6a //0x69 */
338 reg_w_val(gspca_dev, ET_STARTY, 0x0d); /* 0x0d //0x0c */
339 reg_w_val(gspca_dev, ET_WIDTH_LOW, 0x80);
340 reg_w_val(gspca_dev, ET_HEIGTH_LOW, 0xe0);
341 reg_w_val(gspca_dev, ET_W_H_HEIGTH, 0x60); /* 6d */
342 reg_w_val(gspca_dev, ET_REG6e, 0x86);
343 reg_w_val(gspca_dev, ET_REG6f, 0x01);
344 reg_w_val(gspca_dev, ET_REG70, 0x26);
345 reg_w_val(gspca_dev, ET_REG71, 0x7a);
346 reg_w_val(gspca_dev, ET_REG72, 0x01);
6a7eba24 347 /* Clock Pattern registers ***************** */
739570bb
JFM		 348 reg_w_val(gspca_dev, ET_REG73, 0x00);
349 reg_w_val(gspca_dev, ET_REG74, 0x18); /* 0x28 */
350 reg_w_val(gspca_dev, ET_REG75, 0x0f); /* 0x01 */
6a7eba24 351 /**********************************************/
739570bb
JFM		 352 reg_w_val(gspca_dev, 0x8a, 0x20);
353 reg_w_val(gspca_dev, 0x8d, 0x0f);
354 reg_w_val(gspca_dev, 0x8e, 0x08);
6a7eba24 355 /**************************************/
739570bb
JFM		 356 reg_w_val(gspca_dev, 0x03, 0x08);
357 reg_w_val(gspca_dev, ET_PXL_CLK, 0x03);
358 reg_w_val(gspca_dev, 0x81, 0xff);
359 reg_w_val(gspca_dev, 0x80, 0x00);
360 reg_w_val(gspca_dev, 0x81, 0xff);
361 reg_w_val(gspca_dev, 0x80, 0x20);
362 reg_w_val(gspca_dev, 0x03, 0x01);
363 reg_w_val(gspca_dev, 0x03, 0x00);
364 reg_w_val(gspca_dev, 0x03, 0x08);
6a7eba24
JFM		 365 /********************************************/
366
739570bb 367/* reg_r(gspca_dev, ET_I2C_BASE, 1);
6a7eba24
JFM		 368 always 0x40 as the pas106 ??? */
369 /* set the sensor */
c2446b3e 370 if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv)
a5ae2062
JFM		 371 value = 0x04; /* 320 */
372 else /* 640 */
373 value = 0x1e; /* 0x17 * setting PixelClock
374 * 0x03 mean 24/(3+1) = 6 Mhz
375 * 0x05 -> 24/(5+1) = 4 Mhz
376 * 0x0b -> 24/(11+1) = 2 Mhz
377 * 0x17 -> 24/(23+1) = 1 Mhz
378 */
739570bb 379 reg_w_val(gspca_dev, ET_PXL_CLK, value);
a5ae2062 380 /* now set by fifo the FormatLine setting */
739570bb 381 reg_w(gspca_dev, 0x62, FormLine, 6);
6a7eba24
JFM		 382
383 /* set exposure times [ 0..0x78] 0->longvalue 0x78->shortvalue */
739570bb
JFM		 384 reg_w_val(gspca_dev, 0x81, 0x47); /* 0x47; */
385 reg_w_val(gspca_dev, 0x80, 0x40); /* 0x40; */
6a7eba24
JFM		 386 /* Pedro change */
387 /* Brightness change Brith+ decrease value */
388 /* Brigth- increase value */
389 /* original value = 0x70; */
739570bb
JFM		 390 reg_w_val(gspca_dev, 0x81, 0x30); /* 0x20; - set brightness */
391 reg_w_val(gspca_dev, 0x80, 0x20); /* 0x20; */
6a7eba24
JFM		 392}
393
8792015e 394static void setbrightness(struct gspca_dev *gspca_dev, s32 val)
cebf3b67 395{
cebf3b67 396 int i;
cebf3b67
JFM		 397
398 for (i = 0; i < 4; i++)
8792015e 399 reg_w_val(gspca_dev, ET_O_RED + i, val);
cebf3b67
JFM		 400}
401
8792015e 402static void setcontrast(struct gspca_dev *gspca_dev, s32 val)
cebf3b67 403{
cebf3b67 404 __u8 RGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 };
cebf3b67 405
8792015e 406 memset(RGBG, val, sizeof(RGBG) - 2);
cebf3b67
JFM		 407 reg_w(gspca_dev, ET_G_RED, RGBG, 6);
408}
409
8792015e 410static void setcolors(struct gspca_dev *gspca_dev, s32 val)
6a7eba24
JFM		 411{
412 struct sd *sd = (struct sd *) gspca_dev;
a5ae2062 413 __u8 I2cc[] = { 0x05, 0x02, 0x02, 0x05, 0x0d };
6a7eba24
JFM		 414 __u8 i2cflags = 0x01;
415 /* __u8 green = 0; */
6a7eba24 416
8792015e
HV		 417 I2cc[3] = val; /* red */
418 I2cc[0] = 15 - val; /* blue */
6a7eba24
JFM		 419 /* green = 15 - ((((7*I2cc[0]) >> 2 ) + I2cc[3]) >> 1); */
420 /* I2cc[1] = I2cc[2] = green; */
421 if (sd->sensor == SENSOR_PAS106) {
739570bb
JFM		 422 i2c_w(gspca_dev, PAS106_REG13, &i2cflags, 1, 3);
423 i2c_w(gspca_dev, PAS106_REG9, I2cc, sizeof I2cc, 1);
6a7eba24
JFM		 424 }
425/* PDEBUG(D_CONF , "Etoms red %d blue %d green %d",
426 I2cc[3], I2cc[0], green); */
427}
428
8792015e 429static s32 getcolors(struct gspca_dev *gspca_dev)
6a7eba24
JFM		 430{
431 struct sd *sd = (struct sd *) gspca_dev;
6a7eba24
JFM		 432
433 if (sd->sensor == SENSOR_PAS106) {
739570bb
JFM		 434/* i2c_r(gspca_dev, PAS106_REG9); * blue */
435 i2c_r(gspca_dev, PAS106_REG9 + 3); /* red */
8792015e 436 return gspca_dev->usb_buf[0] & 0x0f;
6a7eba24 437 }
8792015e 438 return 0;
6a7eba24
JFM		 439}
440
cebf3b67
JFM		 441static void setautogain(struct gspca_dev *gspca_dev)
442{
443 struct sd *sd = (struct sd *) gspca_dev;
444
445 if (sd->autogain)
446 sd->ag_cnt = AG_CNT_START;
447 else
448 sd->ag_cnt = -1;
449}
450
6a7eba24
JFM		 451static void Et_init1(struct gspca_dev *gspca_dev)
452{
a5ae2062 453 __u8 value;
a5ae2062 454/* __u8 I2c0 [] = {0x0a, 0x12, 0x05, 0x22, 0xac, 0x00, 0x01, 0x00}; */
6a7eba24
JFM		 455 __u8 I2c0[] = { 0x0a, 0x12, 0x05, 0x6d, 0xcd, 0x00, 0x01, 0x00 };
456 /* try 1/120 0x6d 0xcd 0x40 */
a5ae2062 457/* __u8 I2c0 [] = {0x0a, 0x12, 0x05, 0xfe, 0xfe, 0xc0, 0x01, 0x00};
6a7eba24
JFM		 458 * 1/60000 hmm ?? */
459
460 PDEBUG(D_STREAM, "Open Init1 ET");
739570bb
JFM		 461 reg_w_val(gspca_dev, ET_GPIO_DIR_CTRL, 7);
462 reg_r(gspca_dev, ET_GPIO_IN, 1);
463 reg_w_val(gspca_dev, ET_RESET_ALL, 1);
464 reg_w_val(gspca_dev, ET_RESET_ALL, 0);
465 reg_w_val(gspca_dev, ET_ClCK, 0x10);
466 reg_w_val(gspca_dev, ET_CTRL, 0x19);
6a7eba24 467 /* compression et subsampling */
c2446b3e 468 if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv)
6a7eba24
JFM		 469 value = ET_COMP_VAL1;
470 else
471 value = ET_COMP_VAL0;
6a7eba24 472 PDEBUG(D_STREAM, "Open mode %d Compression %d",
c2446b3e 473 gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv,
6a7eba24 474 value);
739570bb
JFM		 475 reg_w_val(gspca_dev, ET_COMP, value);
476 reg_w_val(gspca_dev, ET_MAXQt, 0x1d);
477 reg_w_val(gspca_dev, ET_MINQt, 0x02);
6a7eba24 478 /* undocumented registers */
739570bb
JFM		 479 reg_w_val(gspca_dev, ET_REG1d, 0xff);
480 reg_w_val(gspca_dev, ET_REG1e, 0xff);
481 reg_w_val(gspca_dev, ET_REG1f, 0xff);
482 reg_w_val(gspca_dev, ET_REG20, 0x35);
483 reg_w_val(gspca_dev, ET_REG21, 0x01);
484 reg_w_val(gspca_dev, ET_REG22, 0x00);
485 reg_w_val(gspca_dev, ET_REG23, 0xf7);
486 reg_w_val(gspca_dev, ET_REG24, 0xff);
487 reg_w_val(gspca_dev, ET_REG25, 0x07);
6a7eba24 488 /* colors setting */
739570bb
JFM		 489 reg_w_val(gspca_dev, ET_G_RED, 0x80);
490 reg_w_val(gspca_dev, ET_G_GREEN1, 0x80);
491 reg_w_val(gspca_dev, ET_G_BLUE, 0x80);
492 reg_w_val(gspca_dev, ET_G_GREEN2, 0x80);
493 reg_w_val(gspca_dev, ET_G_GR_H, 0x00);
494 reg_w_val(gspca_dev, ET_G_GB_H, 0x00);
6a7eba24 495 /* Window control registers */
739570bb
JFM		 496 reg_w_val(gspca_dev, ET_SYNCHRO, 0xf0);
497 reg_w_val(gspca_dev, ET_STARTX, 0x56); /* 0x56 */
498 reg_w_val(gspca_dev, ET_STARTY, 0x05); /* 0x04 */
499 reg_w_val(gspca_dev, ET_WIDTH_LOW, 0x60);
500 reg_w_val(gspca_dev, ET_HEIGTH_LOW, 0x20);
501 reg_w_val(gspca_dev, ET_W_H_HEIGTH, 0x50);
502 reg_w_val(gspca_dev, ET_REG6e, 0x86);
503 reg_w_val(gspca_dev, ET_REG6f, 0x01);
504 reg_w_val(gspca_dev, ET_REG70, 0x86);
505 reg_w_val(gspca_dev, ET_REG71, 0x14);
506 reg_w_val(gspca_dev, ET_REG72, 0x00);
6a7eba24 507 /* Clock Pattern registers */
739570bb
JFM		 508 reg_w_val(gspca_dev, ET_REG73, 0x00);
509 reg_w_val(gspca_dev, ET_REG74, 0x00);
510 reg_w_val(gspca_dev, ET_REG75, 0x0a);
511 reg_w_val(gspca_dev, ET_I2C_CLK, 0x04);
512 reg_w_val(gspca_dev, ET_PXL_CLK, 0x01);
6a7eba24 513 /* set the sensor */
c2446b3e 514 if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) {
6a7eba24 515 I2c0[0] = 0x06;
739570bb
JFM		 516 i2c_w(gspca_dev, PAS106_REG2, I2c0, sizeof I2c0, 1);
517 i2c_w(gspca_dev, PAS106_REG9, I2c2, sizeof I2c2, 1);
6a7eba24 518 value = 0x06;
739570bb
JFM		 519 i2c_w(gspca_dev, PAS106_REG2, &value, 1, 1);
520 i2c_w(gspca_dev, PAS106_REG3, I2c3, sizeof I2c3, 1);
6a7eba24
JFM		 521 /* value = 0x1f; */
522 value = 0x04;
739570bb 523 i2c_w(gspca_dev, PAS106_REG0e, &value, 1, 1);
6a7eba24
JFM		 524 } else {
525 I2c0[0] = 0x0a;
526
739570bb
JFM		 527 i2c_w(gspca_dev, PAS106_REG2, I2c0, sizeof I2c0, 1);
528 i2c_w(gspca_dev, PAS106_REG9, I2c2, sizeof I2c2, 1);
6a7eba24 529 value = 0x0a;
739570bb
JFM		 530 i2c_w(gspca_dev, PAS106_REG2, &value, 1, 1);
531 i2c_w(gspca_dev, PAS106_REG3, I2c3, sizeof I2c3, 1);
6a7eba24
JFM		 532 value = 0x04;
533 /* value = 0x10; */
739570bb 534 i2c_w(gspca_dev, PAS106_REG0e, &value, 1, 1);
6a7eba24
JFM		 535 /* bit 2 enable bit 1:2 select 0 1 2 3
536 value = 0x07; * curve 0 *
739570bb 537 i2c_w(gspca_dev, PAS106_REG0f, &value, 1, 1);
6a7eba24
JFM		 538 */
539 }
540
541/* value = 0x01; */
542/* value = 0x22; */
739570bb 543/* i2c_w(gspca_dev, PAS106_REG5, &value, 1, 1); */
6a7eba24 544 /* magnetude and sign bit for DAC */
739570bb 545 i2c_w(gspca_dev, PAS106_REG7, I2c4, sizeof I2c4, 1);
6a7eba24 546 /* now set by fifo the whole colors setting */
739570bb 547 reg_w(gspca_dev, ET_G_RED, GainRGBG, 6);
8792015e 548 setcolors(gspca_dev, getcolors(gspca_dev));
6a7eba24
JFM		 549}
550
551/* this function is called at probe time */
552static int sd_config(struct gspca_dev *gspca_dev,
553 const struct usb_device_id *id)
554{
555 struct sd *sd = (struct sd *) gspca_dev;
556 struct cam *cam;
9d64fdb1 557
6a7eba24 558 cam = &gspca_dev->cam;
9d64fdb1 559 sd->sensor = id->driver_info;
6a7eba24
JFM		 560 if (sd->sensor == SENSOR_PAS106) {
561 cam->cam_mode = sif_mode;
d6f76b97 562 cam->nmodes = ARRAY_SIZE(sif_mode);
6a7eba24
JFM		 563 } else {
564 cam->cam_mode = vga_mode;
d6f76b97 565 cam->nmodes = ARRAY_SIZE(vga_mode);
6a7eba24 566 }
cebf3b67 567 sd->ag_cnt = -1;
6a7eba24
JFM		 568 return 0;
569}
570
012d6b02
JFM		 571/* this function is called at probe and resume time */
572static int sd_init(struct gspca_dev *gspca_dev)
6a7eba24
JFM		 573{
574 struct sd *sd = (struct sd *) gspca_dev;
6a7eba24 575
6a7eba24
JFM		 576 if (sd->sensor == SENSOR_PAS106)
577 Et_init1(gspca_dev);
578 else
579 Et_init2(gspca_dev);
739570bb
JFM		 580 reg_w_val(gspca_dev, ET_RESET_ALL, 0x08);
581 et_video(gspca_dev, 0); /* video off */
6a7eba24
JFM		 582 return 0;
583}
584
585/* -- start the camera -- */
72ab97ce 586static int sd_start(struct gspca_dev *gspca_dev)
6a7eba24
JFM		 587{
588 struct sd *sd = (struct sd *) gspca_dev;
6a7eba24
JFM		 589
590 if (sd->sensor == SENSOR_PAS106)
591 Et_init1(gspca_dev);
592 else
593 Et_init2(gspca_dev);
594
cebf3b67
JFM		 595 setautogain(gspca_dev);
596
739570bb
JFM		 597 reg_w_val(gspca_dev, ET_RESET_ALL, 0x08);
598 et_video(gspca_dev, 1); /* video on */
72ab97ce 599 return 0;
6a7eba24
JFM		 600}
601
602static void sd_stopN(struct gspca_dev *gspca_dev)
603{
739570bb 604 et_video(gspca_dev, 0); /* video off */
6a7eba24
JFM		 605}
606
6a7eba24
JFM		 607static __u8 Et_getgainG(struct gspca_dev *gspca_dev)
608{
609 struct sd *sd = (struct sd *) gspca_dev;
6a7eba24
JFM		 610
611 if (sd->sensor == SENSOR_PAS106) {
739570bb
JFM		 612 i2c_r(gspca_dev, PAS106_REG0e);
613 PDEBUG(D_CONF, "Etoms gain G %d", gspca_dev->usb_buf[0]);
614 return gspca_dev->usb_buf[0];
6a7eba24
JFM		 615 }
616 return 0x1f;
617}
618
619static void Et_setgainG(struct gspca_dev *gspca_dev, __u8 gain)
620{
621 struct sd *sd = (struct sd *) gspca_dev;
6a7eba24
JFM		 622
623 if (sd->sensor == SENSOR_PAS106) {
739570bb
JFM		 624 __u8 i2cflags = 0x01;
625
626 i2c_w(gspca_dev, PAS106_REG13, &i2cflags, 1, 3);
627 i2c_w(gspca_dev, PAS106_REG0e, &gain, 1, 1);
6a7eba24
JFM		 628 }
629}
630
631#define BLIMIT(bright) \
780e3121 632 (u8)((bright > 0x1f) ? 0x1f : ((bright < 4) ? 3 : bright))
6a7eba24 633#define LIMIT(color) \
780e3121 634 (u8)((color > 0xff) ? 0xff : ((color < 0) ? 0 : color))
6a7eba24 635
cebf3b67 636static void do_autogain(struct gspca_dev *gspca_dev)
6a7eba24 637{
cebf3b67
JFM		 638 struct sd *sd = (struct sd *) gspca_dev;
639 __u8 luma;
6a7eba24
JFM		 640 __u8 luma_mean = 128;
641 __u8 luma_delta = 20;
642 __u8 spring = 4;
cebf3b67 643 int Gbright;
6a7eba24
JFM		 644 __u8 r, g, b;
645
cebf3b67
JFM		 646 if (sd->ag_cnt < 0)
647 return;
648 if (--sd->ag_cnt >= 0)
649 return;
650 sd->ag_cnt = AG_CNT_START;
651
6a7eba24 652 Gbright = Et_getgainG(gspca_dev);
739570bb
JFM		 653 reg_r(gspca_dev, ET_LUMA_CENTER, 4);
654 g = (gspca_dev->usb_buf[0] + gspca_dev->usb_buf[3]) >> 1;
655 r = gspca_dev->usb_buf[1];
656 b = gspca_dev->usb_buf[2];
6a7eba24
JFM		 657 r = ((r << 8) - (r << 4) - (r << 3)) >> 10;
658 b = ((b << 7) >> 10);
659 g = ((g << 9) + (g << 7) + (g << 5)) >> 10;
660 luma = LIMIT(r + g + b);
661 PDEBUG(D_FRAM, "Etoms luma G %d", luma);
662 if (luma < luma_mean - luma_delta || luma > luma_mean + luma_delta) {
663 Gbright += (luma_mean - luma) >> spring;
664 Gbright = BLIMIT(Gbright);
665 PDEBUG(D_FRAM, "Etoms Gbright %d", Gbright);
666 Et_setgainG(gspca_dev, (__u8) Gbright);
667 }
668}
669
670#undef BLIMIT
671#undef LIMIT
672
673static void sd_pkt_scan(struct gspca_dev *gspca_dev,
76dd272b 674 u8 *data, /* isoc packet */
6a7eba24
JFM		 675 int len) /* iso packet length */
676{
6a7eba24
JFM		 677 int seqframe;
678
679 seqframe = data[0] & 0x3f;
680 len = (int) (((data[0] & 0xc0) << 2) | data[1]);
681 if (seqframe == 0x3f) {
682 PDEBUG(D_FRAM,
683 "header packet found datalength %d !!", len);
684 PDEBUG(D_FRAM, "G %d R %d G %d B %d",
685 data[2], data[3], data[4], data[5]);
686 data += 30;
687 /* don't change datalength as the chips provided it */
76dd272b
JFM		 688 gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
689 gspca_frame_add(gspca_dev, FIRST_PACKET, data, len);
6a7eba24
JFM		 690 return;
691 }
692 if (len) {
693 data += 8;
76dd272b 694 gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
6a7eba24
JFM		 695 } else { /* Drop Packet */
696 gspca_dev->last_packet_type = DISCARD_PACKET;
697 }
698}
699
8792015e 700static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
6a7eba24 701{
8792015e
HV		 702 struct gspca_dev *gspca_dev =
703 container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
704 struct sd *sd = (struct sd *)gspca_dev;
705
706 gspca_dev->usb_err = 0;
707
708 if (!gspca_dev->streaming)
709 return 0;
710
711 switch (ctrl->id) {
712 case V4L2_CID_BRIGHTNESS:
713 setbrightness(gspca_dev, ctrl->val);
714 break;
715 case V4L2_CID_CONTRAST:
716 setcontrast(gspca_dev, ctrl->val);
717 break;
718 case V4L2_CID_SATURATION:
719 setcolors(gspca_dev, ctrl->val);
720 break;
721 case V4L2_CID_AUTOGAIN:
722 sd->autogain = ctrl->val;
cebf3b67 723 setautogain(gspca_dev);
8792015e
HV		 724 break;
725 }
726 return gspca_dev->usb_err;
6a7eba24
JFM		 727}
728
8792015e
HV		 729static const struct v4l2_ctrl_ops sd_ctrl_ops = {
730 .s_ctrl = sd_s_ctrl,
731};
6a7eba24 732
8792015e
HV		 733static int sd_init_controls(struct gspca_dev *gspca_dev)
734{
735 struct sd *sd = (struct sd *)gspca_dev;
736 struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
737
738 gspca_dev->vdev.ctrl_handler = hdl;
739 v4l2_ctrl_handler_init(hdl, 4);
740 v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
741 V4L2_CID_BRIGHTNESS, 1, 127, 1, 63);
742 v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
743 V4L2_CID_CONTRAST, 0, 255, 1, 127);
744 if (sd->sensor == SENSOR_PAS106)
745 v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
746 V4L2_CID_SATURATION, 0, 15, 1, 7);
747 v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
748 V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
749 if (hdl->error) {
750 pr_err("Could not initialize controls\n");
751 return hdl->error;
752 }
6a7eba24
JFM		 753 return 0;
754}
755
756/* sub-driver description */
aabcdfb6 757static const struct sd_desc sd_desc = {
6a7eba24 758 .name = MODULE_NAME,
6a7eba24 759 .config = sd_config,
012d6b02 760 .init = sd_init,
8792015e 761 .init_controls = sd_init_controls,
6a7eba24
JFM		 762 .start = sd_start,
763 .stopN = sd_stopN,
6a7eba24 764 .pkt_scan = sd_pkt_scan,
cebf3b67 765 .dq_callback = do_autogain,
6a7eba24
JFM		 766};
767
768/* -- module initialisation -- */
95c967c1 769static const struct usb_device_id device_table[] = {
9d64fdb1 770 {USB_DEVICE(0x102c, 0x6151), .driver_info = SENSOR_PAS106},
222a07ff 771#if !defined CONFIG_USB_ET61X251 && !defined CONFIG_USB_ET61X251_MODULE
9d64fdb1 772 {USB_DEVICE(0x102c, 0x6251), .driver_info = SENSOR_TAS5130CXX},
5bb0f21a 773#endif
6a7eba24
JFM		 774 {}
775};
776
777MODULE_DEVICE_TABLE(usb, device_table);
778
779/* -- device connect -- */
95c967c1 780static int sd_probe(struct usb_interface *intf,
6a7eba24
JFM		 781 const struct usb_device_id *id)
782{
783 return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
784 THIS_MODULE);
785}
786
787static struct usb_driver sd_driver = {
788 .name = MODULE_NAME,
789 .id_table = device_table,
790 .probe = sd_probe,
791 .disconnect = gspca_disconnect,
6a709749
JFM		 792#ifdef CONFIG_PM
793 .suspend = gspca_suspend,
794 .resume = gspca_resume,
8bb58964 795 .reset_resume = gspca_resume,
6a709749 796#endif
6a7eba24
JFM		 797};
798
ecb3b2b3 799module_usb_driver(sd_driver);
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