Version:  2.0.40 2.2.26 2.4.37 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16

Linux/drivers/media/usb/gspca/spca506.c

  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 <mxhaard@users.sourceforge.net>");
 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 sd_probe(struct usb_interface *intf, const struct usb_device_id *id)
594 {
595         return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
596                                 THIS_MODULE);
597 }
598 
599 static struct usb_driver sd_driver = {
600         .name = MODULE_NAME,
601         .id_table = device_table,
602         .probe = sd_probe,
603         .disconnect = gspca_disconnect,
604 #ifdef CONFIG_PM
605         .suspend = gspca_suspend,
606         .resume = gspca_resume,
607         .reset_resume = gspca_resume,
608 #endif
609 };
610 
611 module_usb_driver(sd_driver);
612 

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