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spca506.c
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1 /*
2  * SPCA506 chip based cameras function
3  * M Xhaard 15/04/2004 based on different work Mark Taylor and others
4  * and my own snoopy file on a pv-321c donate by a german compagny
5  * "Firma Frank Gmbh" from Saarbruecken
6  *
7  * V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22  */
23 
24 #define MODULE_NAME "spca506"
25 
26 #include "gspca.h"
27 
28 MODULE_AUTHOR("Michel Xhaard <[email protected]>");
29 MODULE_DESCRIPTION("GSPCA/SPCA506 USB Camera Driver");
30 MODULE_LICENSE("GPL");
31 
32 /* specific webcam descriptor */
33 struct sd {
34  struct gspca_dev gspca_dev; /* !! must be the first item */
35 
36  char norme;
37  char channel;
38 };
39 
40 static const struct v4l2_pix_format vga_mode[] = {
41  {160, 120, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
42  .bytesperline = 160,
43  .sizeimage = 160 * 120 * 3 / 2,
44  .colorspace = V4L2_COLORSPACE_SRGB,
45  .priv = 5},
46  {176, 144, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
47  .bytesperline = 176,
48  .sizeimage = 176 * 144 * 3 / 2,
49  .colorspace = V4L2_COLORSPACE_SRGB,
50  .priv = 4},
51  {320, 240, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
52  .bytesperline = 320,
53  .sizeimage = 320 * 240 * 3 / 2,
54  .colorspace = V4L2_COLORSPACE_SRGB,
55  .priv = 2},
56  {352, 288, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
57  .bytesperline = 352,
58  .sizeimage = 352 * 288 * 3 / 2,
59  .colorspace = V4L2_COLORSPACE_SRGB,
60  .priv = 1},
61  {640, 480, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
62  .bytesperline = 640,
63  .sizeimage = 640 * 480 * 3 / 2,
64  .colorspace = V4L2_COLORSPACE_SRGB,
65  .priv = 0},
66 };
67 
68 #define SPCA50X_OFFSET_DATA 10
69 
70 #define SAA7113_bright 0x0a /* defaults 0x80 */
71 #define SAA7113_contrast 0x0b /* defaults 0x47 */
72 #define SAA7113_saturation 0x0c /* defaults 0x40 */
73 #define SAA7113_hue 0x0d /* defaults 0x00 */
74 #define SAA7113_I2C_BASE_WRITE 0x4a
75 
76 /* read 'len' bytes to gspca_dev->usb_buf */
77 static void reg_r(struct gspca_dev *gspca_dev,
78  __u16 req,
79  __u16 index,
80  __u16 length)
81 {
82  usb_control_msg(gspca_dev->dev,
83  usb_rcvctrlpipe(gspca_dev->dev, 0),
84  req,
85  USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
86  0, /* value */
87  index, gspca_dev->usb_buf, length,
88  500);
89 }
90 
91 static void reg_w(struct usb_device *dev,
92  __u16 req,
93  __u16 value,
94  __u16 index)
95 {
96  usb_control_msg(dev,
97  usb_sndctrlpipe(dev, 0),
98  req,
99  USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
100  value, index,
101  NULL, 0, 500);
102 }
103 
104 static void spca506_Initi2c(struct gspca_dev *gspca_dev)
105 {
106  reg_w(gspca_dev->dev, 0x07, SAA7113_I2C_BASE_WRITE, 0x0004);
107 }
108 
109 static void spca506_WriteI2c(struct gspca_dev *gspca_dev, __u16 valeur,
110  __u16 reg)
111 {
112  int retry = 60;
113 
114  reg_w(gspca_dev->dev, 0x07, reg, 0x0001);
115  reg_w(gspca_dev->dev, 0x07, valeur, 0x0000);
116  while (retry--) {
117  reg_r(gspca_dev, 0x07, 0x0003, 2);
118  if ((gspca_dev->usb_buf[0] | gspca_dev->usb_buf[1]) == 0x00)
119  break;
120  }
121 }
122 
123 static void spca506_SetNormeInput(struct gspca_dev *gspca_dev,
124  __u16 norme,
125  __u16 channel)
126 {
127  struct sd *sd = (struct sd *) gspca_dev;
128 /* fixme: check if channel == 0..3 and 6..9 (8 values) */
129  __u8 setbit0 = 0x00;
130  __u8 setbit1 = 0x00;
131  __u8 videomask = 0x00;
132 
133  PDEBUG(D_STREAM, "** Open Set Norme **");
134  spca506_Initi2c(gspca_dev);
135  /* NTSC bit0 -> 1(525 l) PAL SECAM bit0 -> 0 (625 l) */
136  /* Composite channel bit1 -> 1 S-video bit 1 -> 0 */
137  /* and exclude SAA7113 reserved channel set default 0 otherwise */
138  if (norme & V4L2_STD_NTSC)
139  setbit0 = 0x01;
140  if (channel == 4 || channel == 5 || channel > 9)
141  channel = 0;
142  if (channel < 4)
143  setbit1 = 0x02;
144  videomask = (0x48 | setbit0 | setbit1);
145  reg_w(gspca_dev->dev, 0x08, videomask, 0x0000);
146  spca506_WriteI2c(gspca_dev, (0xc0 | (channel & 0x0F)), 0x02);
147 
148  if (norme & V4L2_STD_NTSC)
149  spca506_WriteI2c(gspca_dev, 0x33, 0x0e);
150  /* Chrominance Control NTSC N */
151  else if (norme & V4L2_STD_SECAM)
152  spca506_WriteI2c(gspca_dev, 0x53, 0x0e);
153  /* Chrominance Control SECAM */
154  else
155  spca506_WriteI2c(gspca_dev, 0x03, 0x0e);
156  /* Chrominance Control PAL BGHIV */
157 
158  sd->norme = norme;
159  sd->channel = channel;
160  PDEBUG(D_STREAM, "Set Video Byte to 0x%2x", videomask);
161  PDEBUG(D_STREAM, "Set Norme: %08x Channel %d", norme, channel);
162 }
163 
164 static void spca506_GetNormeInput(struct gspca_dev *gspca_dev,
165  __u16 *norme, __u16 *channel)
166 {
167  struct sd *sd = (struct sd *) gspca_dev;
168 
169  /* Read the register is not so good value change so
170  we use your own copy in spca50x struct */
171  *norme = sd->norme;
172  *channel = sd->channel;
173  PDEBUG(D_STREAM, "Get Norme: %d Channel %d", *norme, *channel);
174 }
175 
176 static void spca506_Setsize(struct gspca_dev *gspca_dev, __u16 code,
177  __u16 xmult, __u16 ymult)
178 {
179  struct usb_device *dev = gspca_dev->dev;
180 
181  PDEBUG(D_STREAM, "** SetSize **");
182  reg_w(dev, 0x04, (0x18 | (code & 0x07)), 0x0000);
183  /* Soft snap 0x40 Hard 0x41 */
184  reg_w(dev, 0x04, 0x41, 0x0001);
185  reg_w(dev, 0x04, 0x00, 0x0002);
186  /* reserved */
187  reg_w(dev, 0x04, 0x00, 0x0003);
188 
189  /* reserved */
190  reg_w(dev, 0x04, 0x00, 0x0004);
191  /* reserved */
192  reg_w(dev, 0x04, 0x01, 0x0005);
193  /* reserced */
194  reg_w(dev, 0x04, xmult, 0x0006);
195  /* reserved */
196  reg_w(dev, 0x04, ymult, 0x0007);
197  /* compression 1 */
198  reg_w(dev, 0x04, 0x00, 0x0008);
199  /* T=64 -> 2 */
200  reg_w(dev, 0x04, 0x00, 0x0009);
201  /* threshold2D */
202  reg_w(dev, 0x04, 0x21, 0x000a);
203  /* quantization */
204  reg_w(dev, 0x04, 0x00, 0x000b);
205 }
206 
207 /* this function is called at probe time */
208 static int sd_config(struct gspca_dev *gspca_dev,
209  const struct usb_device_id *id)
210 {
211  struct cam *cam;
212 
213  cam = &gspca_dev->cam;
214  cam->cam_mode = vga_mode;
215  cam->nmodes = ARRAY_SIZE(vga_mode);
216  return 0;
217 }
218 
219 /* this function is called at probe and resume time */
220 static int sd_init(struct gspca_dev *gspca_dev)
221 {
222  struct usb_device *dev = gspca_dev->dev;
223 
224  reg_w(dev, 0x03, 0x00, 0x0004);
225  reg_w(dev, 0x03, 0xFF, 0x0003);
226  reg_w(dev, 0x03, 0x00, 0x0000);
227  reg_w(dev, 0x03, 0x1c, 0x0001);
228  reg_w(dev, 0x03, 0x18, 0x0001);
229  /* Init on PAL and composite input0 */
230  spca506_SetNormeInput(gspca_dev, 0, 0);
231  reg_w(dev, 0x03, 0x1c, 0x0001);
232  reg_w(dev, 0x03, 0x18, 0x0001);
233  reg_w(dev, 0x05, 0x00, 0x0000);
234  reg_w(dev, 0x05, 0xef, 0x0001);
235  reg_w(dev, 0x05, 0x00, 0x00c1);
236  reg_w(dev, 0x05, 0x00, 0x00c2);
237  reg_w(dev, 0x06, 0x18, 0x0002);
238  reg_w(dev, 0x06, 0xf5, 0x0011);
239  reg_w(dev, 0x06, 0x02, 0x0012);
240  reg_w(dev, 0x06, 0xfb, 0x0013);
241  reg_w(dev, 0x06, 0x00, 0x0014);
242  reg_w(dev, 0x06, 0xa4, 0x0051);
243  reg_w(dev, 0x06, 0x40, 0x0052);
244  reg_w(dev, 0x06, 0x71, 0x0053);
245  reg_w(dev, 0x06, 0x40, 0x0054);
246  /************************************************/
247  reg_w(dev, 0x03, 0x00, 0x0004);
248  reg_w(dev, 0x03, 0x00, 0x0003);
249  reg_w(dev, 0x03, 0x00, 0x0004);
250  reg_w(dev, 0x03, 0xFF, 0x0003);
251  reg_w(dev, 0x02, 0x00, 0x0000);
252  reg_w(dev, 0x03, 0x60, 0x0000);
253  reg_w(dev, 0x03, 0x18, 0x0001);
254  /* for a better reading mx :) */
255  /*sdca506_WriteI2c(value,register) */
256  spca506_Initi2c(gspca_dev);
257  spca506_WriteI2c(gspca_dev, 0x08, 0x01);
258  spca506_WriteI2c(gspca_dev, 0xc0, 0x02);
259  /* input composite video */
260  spca506_WriteI2c(gspca_dev, 0x33, 0x03);
261  spca506_WriteI2c(gspca_dev, 0x00, 0x04);
262  spca506_WriteI2c(gspca_dev, 0x00, 0x05);
263  spca506_WriteI2c(gspca_dev, 0x0d, 0x06);
264  spca506_WriteI2c(gspca_dev, 0xf0, 0x07);
265  spca506_WriteI2c(gspca_dev, 0x98, 0x08);
266  spca506_WriteI2c(gspca_dev, 0x03, 0x09);
267  spca506_WriteI2c(gspca_dev, 0x80, 0x0a);
268  spca506_WriteI2c(gspca_dev, 0x47, 0x0b);
269  spca506_WriteI2c(gspca_dev, 0x48, 0x0c);
270  spca506_WriteI2c(gspca_dev, 0x00, 0x0d);
271  spca506_WriteI2c(gspca_dev, 0x03, 0x0e); /* Chroma Pal adjust */
272  spca506_WriteI2c(gspca_dev, 0x2a, 0x0f);
273  spca506_WriteI2c(gspca_dev, 0x00, 0x10);
274  spca506_WriteI2c(gspca_dev, 0x0c, 0x11);
275  spca506_WriteI2c(gspca_dev, 0xb8, 0x12);
276  spca506_WriteI2c(gspca_dev, 0x01, 0x13);
277  spca506_WriteI2c(gspca_dev, 0x00, 0x14);
278  spca506_WriteI2c(gspca_dev, 0x00, 0x15);
279  spca506_WriteI2c(gspca_dev, 0x00, 0x16);
280  spca506_WriteI2c(gspca_dev, 0x00, 0x17);
281  spca506_WriteI2c(gspca_dev, 0x00, 0x18);
282  spca506_WriteI2c(gspca_dev, 0x00, 0x19);
283  spca506_WriteI2c(gspca_dev, 0x00, 0x1a);
284  spca506_WriteI2c(gspca_dev, 0x00, 0x1b);
285  spca506_WriteI2c(gspca_dev, 0x00, 0x1c);
286  spca506_WriteI2c(gspca_dev, 0x00, 0x1d);
287  spca506_WriteI2c(gspca_dev, 0x00, 0x1e);
288  spca506_WriteI2c(gspca_dev, 0xa1, 0x1f);
289  spca506_WriteI2c(gspca_dev, 0x02, 0x40);
290  spca506_WriteI2c(gspca_dev, 0xff, 0x41);
291  spca506_WriteI2c(gspca_dev, 0xff, 0x42);
292  spca506_WriteI2c(gspca_dev, 0xff, 0x43);
293  spca506_WriteI2c(gspca_dev, 0xff, 0x44);
294  spca506_WriteI2c(gspca_dev, 0xff, 0x45);
295  spca506_WriteI2c(gspca_dev, 0xff, 0x46);
296  spca506_WriteI2c(gspca_dev, 0xff, 0x47);
297  spca506_WriteI2c(gspca_dev, 0xff, 0x48);
298  spca506_WriteI2c(gspca_dev, 0xff, 0x49);
299  spca506_WriteI2c(gspca_dev, 0xff, 0x4a);
300  spca506_WriteI2c(gspca_dev, 0xff, 0x4b);
301  spca506_WriteI2c(gspca_dev, 0xff, 0x4c);
302  spca506_WriteI2c(gspca_dev, 0xff, 0x4d);
303  spca506_WriteI2c(gspca_dev, 0xff, 0x4e);
304  spca506_WriteI2c(gspca_dev, 0xff, 0x4f);
305  spca506_WriteI2c(gspca_dev, 0xff, 0x50);
306  spca506_WriteI2c(gspca_dev, 0xff, 0x51);
307  spca506_WriteI2c(gspca_dev, 0xff, 0x52);
308  spca506_WriteI2c(gspca_dev, 0xff, 0x53);
309  spca506_WriteI2c(gspca_dev, 0xff, 0x54);
310  spca506_WriteI2c(gspca_dev, 0xff, 0x55);
311  spca506_WriteI2c(gspca_dev, 0xff, 0x56);
312  spca506_WriteI2c(gspca_dev, 0xff, 0x57);
313  spca506_WriteI2c(gspca_dev, 0x00, 0x58);
314  spca506_WriteI2c(gspca_dev, 0x54, 0x59);
315  spca506_WriteI2c(gspca_dev, 0x07, 0x5a);
316  spca506_WriteI2c(gspca_dev, 0x83, 0x5b);
317  spca506_WriteI2c(gspca_dev, 0x00, 0x5c);
318  spca506_WriteI2c(gspca_dev, 0x00, 0x5d);
319  spca506_WriteI2c(gspca_dev, 0x00, 0x5e);
320  spca506_WriteI2c(gspca_dev, 0x00, 0x5f);
321  spca506_WriteI2c(gspca_dev, 0x00, 0x60);
322  spca506_WriteI2c(gspca_dev, 0x05, 0x61);
323  spca506_WriteI2c(gspca_dev, 0x9f, 0x62);
324  PDEBUG(D_STREAM, "** Close Init *");
325  return 0;
326 }
327 
328 static int sd_start(struct gspca_dev *gspca_dev)
329 {
330  struct usb_device *dev = gspca_dev->dev;
331  __u16 norme;
332  __u16 channel;
333 
334  /**************************************/
335  reg_w(dev, 0x03, 0x00, 0x0004);
336  reg_w(dev, 0x03, 0x00, 0x0003);
337  reg_w(dev, 0x03, 0x00, 0x0004);
338  reg_w(dev, 0x03, 0xFF, 0x0003);
339  reg_w(dev, 0x02, 0x00, 0x0000);
340  reg_w(dev, 0x03, 0x60, 0x0000);
341  reg_w(dev, 0x03, 0x18, 0x0001);
342 
343  /*sdca506_WriteI2c(value,register) */
344  spca506_Initi2c(gspca_dev);
345  spca506_WriteI2c(gspca_dev, 0x08, 0x01); /* Increment Delay */
346 /* spca506_WriteI2c(gspca_dev, 0xc0, 0x02); * Analog Input Control 1 */
347  spca506_WriteI2c(gspca_dev, 0x33, 0x03);
348  /* Analog Input Control 2 */
349  spca506_WriteI2c(gspca_dev, 0x00, 0x04);
350  /* Analog Input Control 3 */
351  spca506_WriteI2c(gspca_dev, 0x00, 0x05);
352  /* Analog Input Control 4 */
353  spca506_WriteI2c(gspca_dev, 0x0d, 0x06);
354  /* Horizontal Sync Start 0xe9-0x0d */
355  spca506_WriteI2c(gspca_dev, 0xf0, 0x07);
356  /* Horizontal Sync Stop 0x0d-0xf0 */
357 
358  spca506_WriteI2c(gspca_dev, 0x98, 0x08); /* Sync Control */
359 /* Defaults value */
360  spca506_WriteI2c(gspca_dev, 0x03, 0x09); /* Luminance Control */
361  spca506_WriteI2c(gspca_dev, 0x80, 0x0a);
362  /* Luminance Brightness */
363  spca506_WriteI2c(gspca_dev, 0x47, 0x0b); /* Luminance Contrast */
364  spca506_WriteI2c(gspca_dev, 0x48, 0x0c);
365  /* Chrominance Saturation */
366  spca506_WriteI2c(gspca_dev, 0x00, 0x0d);
367  /* Chrominance Hue Control */
368  spca506_WriteI2c(gspca_dev, 0x2a, 0x0f);
369  /* Chrominance Gain Control */
370  /**************************************/
371  spca506_WriteI2c(gspca_dev, 0x00, 0x10);
372  /* Format/Delay Control */
373  spca506_WriteI2c(gspca_dev, 0x0c, 0x11); /* Output Control 1 */
374  spca506_WriteI2c(gspca_dev, 0xb8, 0x12); /* Output Control 2 */
375  spca506_WriteI2c(gspca_dev, 0x01, 0x13); /* Output Control 3 */
376  spca506_WriteI2c(gspca_dev, 0x00, 0x14); /* reserved */
377  spca506_WriteI2c(gspca_dev, 0x00, 0x15); /* VGATE START */
378  spca506_WriteI2c(gspca_dev, 0x00, 0x16); /* VGATE STOP */
379  spca506_WriteI2c(gspca_dev, 0x00, 0x17); /* VGATE Control (MSB) */
380  spca506_WriteI2c(gspca_dev, 0x00, 0x18);
381  spca506_WriteI2c(gspca_dev, 0x00, 0x19);
382  spca506_WriteI2c(gspca_dev, 0x00, 0x1a);
383  spca506_WriteI2c(gspca_dev, 0x00, 0x1b);
384  spca506_WriteI2c(gspca_dev, 0x00, 0x1c);
385  spca506_WriteI2c(gspca_dev, 0x00, 0x1d);
386  spca506_WriteI2c(gspca_dev, 0x00, 0x1e);
387  spca506_WriteI2c(gspca_dev, 0xa1, 0x1f);
388  spca506_WriteI2c(gspca_dev, 0x02, 0x40);
389  spca506_WriteI2c(gspca_dev, 0xff, 0x41);
390  spca506_WriteI2c(gspca_dev, 0xff, 0x42);
391  spca506_WriteI2c(gspca_dev, 0xff, 0x43);
392  spca506_WriteI2c(gspca_dev, 0xff, 0x44);
393  spca506_WriteI2c(gspca_dev, 0xff, 0x45);
394  spca506_WriteI2c(gspca_dev, 0xff, 0x46);
395  spca506_WriteI2c(gspca_dev, 0xff, 0x47);
396  spca506_WriteI2c(gspca_dev, 0xff, 0x48);
397  spca506_WriteI2c(gspca_dev, 0xff, 0x49);
398  spca506_WriteI2c(gspca_dev, 0xff, 0x4a);
399  spca506_WriteI2c(gspca_dev, 0xff, 0x4b);
400  spca506_WriteI2c(gspca_dev, 0xff, 0x4c);
401  spca506_WriteI2c(gspca_dev, 0xff, 0x4d);
402  spca506_WriteI2c(gspca_dev, 0xff, 0x4e);
403  spca506_WriteI2c(gspca_dev, 0xff, 0x4f);
404  spca506_WriteI2c(gspca_dev, 0xff, 0x50);
405  spca506_WriteI2c(gspca_dev, 0xff, 0x51);
406  spca506_WriteI2c(gspca_dev, 0xff, 0x52);
407  spca506_WriteI2c(gspca_dev, 0xff, 0x53);
408  spca506_WriteI2c(gspca_dev, 0xff, 0x54);
409  spca506_WriteI2c(gspca_dev, 0xff, 0x55);
410  spca506_WriteI2c(gspca_dev, 0xff, 0x56);
411  spca506_WriteI2c(gspca_dev, 0xff, 0x57);
412  spca506_WriteI2c(gspca_dev, 0x00, 0x58);
413  spca506_WriteI2c(gspca_dev, 0x54, 0x59);
414  spca506_WriteI2c(gspca_dev, 0x07, 0x5a);
415  spca506_WriteI2c(gspca_dev, 0x83, 0x5b);
416  spca506_WriteI2c(gspca_dev, 0x00, 0x5c);
417  spca506_WriteI2c(gspca_dev, 0x00, 0x5d);
418  spca506_WriteI2c(gspca_dev, 0x00, 0x5e);
419  spca506_WriteI2c(gspca_dev, 0x00, 0x5f);
420  spca506_WriteI2c(gspca_dev, 0x00, 0x60);
421  spca506_WriteI2c(gspca_dev, 0x05, 0x61);
422  spca506_WriteI2c(gspca_dev, 0x9f, 0x62);
423  /**************************************/
424  reg_w(dev, 0x05, 0x00, 0x0003);
425  reg_w(dev, 0x05, 0x00, 0x0004);
426  reg_w(dev, 0x03, 0x10, 0x0001);
427  reg_w(dev, 0x03, 0x78, 0x0000);
428  switch (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) {
429  case 0:
430  spca506_Setsize(gspca_dev, 0, 0x10, 0x10);
431  break;
432  case 1:
433  spca506_Setsize(gspca_dev, 1, 0x1a, 0x1a);
434  break;
435  case 2:
436  spca506_Setsize(gspca_dev, 2, 0x1c, 0x1c);
437  break;
438  case 4:
439  spca506_Setsize(gspca_dev, 4, 0x34, 0x34);
440  break;
441  default:
442 /* case 5: */
443  spca506_Setsize(gspca_dev, 5, 0x40, 0x40);
444  break;
445  }
446 
447  /* compress setting and size */
448  /* set i2c luma */
449  reg_w(dev, 0x02, 0x01, 0x0000);
450  reg_w(dev, 0x03, 0x12, 0x0000);
451  reg_r(gspca_dev, 0x04, 0x0001, 2);
452  PDEBUG(D_STREAM, "webcam started");
453  spca506_GetNormeInput(gspca_dev, &norme, &channel);
454  spca506_SetNormeInput(gspca_dev, norme, channel);
455  return 0;
456 }
457 
458 static void sd_stopN(struct gspca_dev *gspca_dev)
459 {
460  struct usb_device *dev = gspca_dev->dev;
461 
462  reg_w(dev, 0x02, 0x00, 0x0000);
463  reg_w(dev, 0x03, 0x00, 0x0004);
464  reg_w(dev, 0x03, 0x00, 0x0003);
465 }
466 
467 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
468  u8 *data, /* isoc packet */
469  int len) /* iso packet length */
470 {
471  switch (data[0]) {
472  case 0: /* start of frame */
473  gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
474  data += SPCA50X_OFFSET_DATA;
475  len -= SPCA50X_OFFSET_DATA;
476  gspca_frame_add(gspca_dev, FIRST_PACKET, data, len);
477  break;
478  case 0xff: /* drop */
479 /* gspca_dev->last_packet_type = DISCARD_PACKET; */
480  break;
481  default:
482  data += 1;
483  len -= 1;
484  gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
485  break;
486  }
487 }
488 
489 static void setbrightness(struct gspca_dev *gspca_dev, s32 val)
490 {
491  spca506_Initi2c(gspca_dev);
492  spca506_WriteI2c(gspca_dev, val, SAA7113_bright);
493  spca506_WriteI2c(gspca_dev, 0x01, 0x09);
494 }
495 
496 static void setcontrast(struct gspca_dev *gspca_dev, s32 val)
497 {
498  spca506_Initi2c(gspca_dev);
499  spca506_WriteI2c(gspca_dev, val, SAA7113_contrast);
500  spca506_WriteI2c(gspca_dev, 0x01, 0x09);
501 }
502 
503 static void setcolors(struct gspca_dev *gspca_dev, s32 val)
504 {
505  spca506_Initi2c(gspca_dev);
506  spca506_WriteI2c(gspca_dev, val, SAA7113_saturation);
507  spca506_WriteI2c(gspca_dev, 0x01, 0x09);
508 }
509 
510 static void sethue(struct gspca_dev *gspca_dev, s32 val)
511 {
512  spca506_Initi2c(gspca_dev);
513  spca506_WriteI2c(gspca_dev, val, SAA7113_hue);
514  spca506_WriteI2c(gspca_dev, 0x01, 0x09);
515 }
516 
517 static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
518 {
519  struct gspca_dev *gspca_dev =
520  container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
521 
522  gspca_dev->usb_err = 0;
523 
524  if (!gspca_dev->streaming)
525  return 0;
526 
527  switch (ctrl->id) {
528  case V4L2_CID_BRIGHTNESS:
529  setbrightness(gspca_dev, ctrl->val);
530  break;
531  case V4L2_CID_CONTRAST:
532  setcontrast(gspca_dev, ctrl->val);
533  break;
534  case V4L2_CID_SATURATION:
535  setcolors(gspca_dev, ctrl->val);
536  break;
537  case V4L2_CID_HUE:
538  sethue(gspca_dev, ctrl->val);
539  break;
540  }
541  return gspca_dev->usb_err;
542 }
543 
544 static const struct v4l2_ctrl_ops sd_ctrl_ops = {
545  .s_ctrl = sd_s_ctrl,
546 };
547 
548 static int sd_init_controls(struct gspca_dev *gspca_dev)
549 {
550  struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
551 
552  gspca_dev->vdev.ctrl_handler = hdl;
553  v4l2_ctrl_handler_init(hdl, 4);
554  v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
555  V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
556  v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
557  V4L2_CID_CONTRAST, 0, 255, 1, 0x47);
558  v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
559  V4L2_CID_SATURATION, 0, 255, 1, 0x40);
560  v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
561  V4L2_CID_HUE, 0, 255, 1, 0);
562 
563  if (hdl->error) {
564  pr_err("Could not initialize controls\n");
565  return hdl->error;
566  }
567  return 0;
568 }
569 
570 /* sub-driver description */
571 static const struct sd_desc sd_desc = {
572  .name = MODULE_NAME,
573  .config = sd_config,
574  .init = sd_init,
575  .init_controls = sd_init_controls,
576  .start = sd_start,
577  .stopN = sd_stopN,
578  .pkt_scan = sd_pkt_scan,
579 };
580 
581 /* -- module initialisation -- */
582 static const struct usb_device_id device_table[] = {
583  {USB_DEVICE(0x06e1, 0xa190)},
584 /*fixme: may be IntelPCCameraPro BRIDGE_SPCA505
585  {USB_DEVICE(0x0733, 0x0430)}, */
586  {USB_DEVICE(0x0734, 0x043b)},
587  {USB_DEVICE(0x99fa, 0x8988)},
588  {}
589 };
590 MODULE_DEVICE_TABLE(usb, device_table);
591 
592 /* -- device connect -- */
593 static int __devinit sd_probe(struct usb_interface *intf,
594  const struct usb_device_id *id)
595 {
596  return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
597  THIS_MODULE);
598 }
599 
600 static struct usb_driver sd_driver = {
601  .name = MODULE_NAME,
602  .id_table = device_table,
603  .probe = sd_probe,
604  .disconnect = gspca_disconnect,
605 #ifdef CONFIG_PM
606  .suspend = gspca_suspend,
607  .resume = gspca_resume,
608  .reset_resume = gspca_resume,
609 #endif
610 };
611 
612 module_usb_driver(sd_driver);
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