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
28MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
29MODULE_DESCRIPTION("GSPCA/SPCA506 USB Camera Driver");
30MODULE_LICENSE("GPL");
31
32/* specific webcam descriptor */
33struct sd {
34	struct gspca_dev gspca_dev;	/* !! must be the first item */
35
36	char norme;
37	char channel;
38};
39
40static 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 */
77static 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
91static 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
104static void spca506_Initi2c(struct gspca_dev *gspca_dev)
105{
106	reg_w(gspca_dev->dev, 0x07, SAA7113_I2C_BASE_WRITE, 0x0004);
107}
108
109static 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
123static 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
164static 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
176static 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 */
208static 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 */
220static 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
328static 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
458static 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
467static 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
489static 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
496static 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
503static 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
510static 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
517static 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
544static const struct v4l2_ctrl_ops sd_ctrl_ops = {
545	.s_ctrl = sd_s_ctrl,
546};
547
548static 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 */
571static 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 -- */
582static 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};
590MODULE_DEVICE_TABLE(usb, device_table);
591
592/* -- device connect -- */
593static 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
599static 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
611module_usb_driver(sd_driver);
612