xref: /openbmc/linux/drivers/media/usb/gspca/spca506.c (revision c819e2cf)
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