xref: /openbmc/linux/drivers/media/usb/gspca/spca500.c (revision e23feb16)
1 /*
2  * SPCA500 chip based cameras initialization data
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  */
21 
22 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
23 
24 #define MODULE_NAME "spca500"
25 
26 #include "gspca.h"
27 #include "jpeg.h"
28 
29 MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
30 MODULE_DESCRIPTION("GSPCA/SPCA500 USB Camera Driver");
31 MODULE_LICENSE("GPL");
32 
33 #define QUALITY 85
34 
35 /* specific webcam descriptor */
36 struct sd {
37 	struct gspca_dev gspca_dev;		/* !! must be the first item */
38 
39 	char subtype;
40 #define AgfaCl20 0
41 #define AiptekPocketDV 1
42 #define BenqDC1016 2
43 #define CreativePCCam300 3
44 #define DLinkDSC350 4
45 #define Gsmartmini 5
46 #define IntelPocketPCCamera 6
47 #define KodakEZ200 7
48 #define LogitechClickSmart310 8
49 #define LogitechClickSmart510 9
50 #define LogitechTraveler 10
51 #define MustekGsmart300 11
52 #define Optimedia 12
53 #define PalmPixDC85 13
54 #define ToptroIndus 14
55 
56 	u8 jpeg_hdr[JPEG_HDR_SZ];
57 };
58 
59 static const struct v4l2_pix_format vga_mode[] = {
60 	{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
61 		.bytesperline = 320,
62 		.sizeimage = 320 * 240 * 3 / 8 + 590,
63 		.colorspace = V4L2_COLORSPACE_JPEG,
64 		.priv = 1},
65 	{640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
66 		.bytesperline = 640,
67 		.sizeimage = 640 * 480 * 3 / 8 + 590,
68 		.colorspace = V4L2_COLORSPACE_JPEG,
69 		.priv = 0},
70 };
71 
72 static const struct v4l2_pix_format sif_mode[] = {
73 	{176, 144, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
74 		.bytesperline = 176,
75 		.sizeimage = 176 * 144 * 3 / 8 + 590,
76 		.colorspace = V4L2_COLORSPACE_JPEG,
77 		.priv = 1},
78 	{352, 288, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
79 		.bytesperline = 352,
80 		.sizeimage = 352 * 288 * 3 / 8 + 590,
81 		.colorspace = V4L2_COLORSPACE_JPEG,
82 		.priv = 0},
83 };
84 
85 /* Frame packet header offsets for the spca500 */
86 #define SPCA500_OFFSET_PADDINGLB 2
87 #define SPCA500_OFFSET_PADDINGHB 3
88 #define SPCA500_OFFSET_MODE      4
89 #define SPCA500_OFFSET_IMGWIDTH  5
90 #define SPCA500_OFFSET_IMGHEIGHT 6
91 #define SPCA500_OFFSET_IMGMODE   7
92 #define SPCA500_OFFSET_QTBLINDEX 8
93 #define SPCA500_OFFSET_FRAMSEQ   9
94 #define SPCA500_OFFSET_CDSPINFO  10
95 #define SPCA500_OFFSET_GPIO      11
96 #define SPCA500_OFFSET_AUGPIO    12
97 #define SPCA500_OFFSET_DATA      16
98 
99 
100 static const __u16 spca500_visual_defaults[][3] = {
101 	{0x00, 0x0003, 0x816b},	/* SSI not active sync with vsync,
102 				 * hue (H byte) = 0,
103 				 * saturation/hue enable,
104 				 * brightness/contrast enable.
105 				 */
106 	{0x00, 0x0000, 0x8167},	/* brightness = 0 */
107 	{0x00, 0x0020, 0x8168},	/* contrast = 0 */
108 	{0x00, 0x0003, 0x816b},	/* SSI not active sync with vsync,
109 				 * hue (H byte) = 0, saturation/hue enable,
110 				 * brightness/contrast enable.
111 				 * was 0x0003, now 0x0000.
112 				 */
113 	{0x00, 0x0000, 0x816a},	/* hue (L byte) = 0 */
114 	{0x00, 0x0020, 0x8169},	/* saturation = 0x20 */
115 	{0x00, 0x0050, 0x8157},	/* edge gain high threshold */
116 	{0x00, 0x0030, 0x8158},	/* edge gain low threshold */
117 	{0x00, 0x0028, 0x8159},	/* edge bandwidth high threshold */
118 	{0x00, 0x000a, 0x815a},	/* edge bandwidth low threshold */
119 	{0x00, 0x0001, 0x8202},	/* clock rate compensation = 1/25 sec/frame */
120 	{0x0c, 0x0004, 0x0000},
121 	/* set interface */
122 	{}
123 };
124 static const __u16 Clicksmart510_defaults[][3] = {
125 	{0x00, 0x00, 0x8211},
126 	{0x00, 0x01, 0x82c0},
127 	{0x00, 0x10, 0x82cb},
128 	{0x00, 0x0f, 0x800d},
129 	{0x00, 0x82, 0x8225},
130 	{0x00, 0x21, 0x8228},
131 	{0x00, 0x00, 0x8203},
132 	{0x00, 0x00, 0x8204},
133 	{0x00, 0x08, 0x8205},
134 	{0x00, 0xf8, 0x8206},
135 	{0x00, 0x28, 0x8207},
136 	{0x00, 0xa0, 0x8208},
137 	{0x00, 0x08, 0x824a},
138 	{0x00, 0x08, 0x8214},
139 	{0x00, 0x80, 0x82c1},
140 	{0x00, 0x00, 0x82c2},
141 	{0x00, 0x00, 0x82ca},
142 	{0x00, 0x80, 0x82c1},
143 	{0x00, 0x04, 0x82c2},
144 	{0x00, 0x00, 0x82ca},
145 	{0x00, 0xfc, 0x8100},
146 	{0x00, 0xfc, 0x8105},
147 	{0x00, 0x30, 0x8101},
148 	{0x00, 0x00, 0x8102},
149 	{0x00, 0x00, 0x8103},
150 	{0x00, 0x66, 0x8107},
151 	{0x00, 0x00, 0x816b},
152 	{0x00, 0x00, 0x8155},
153 	{0x00, 0x01, 0x8156},
154 	{0x00, 0x60, 0x8157},
155 	{0x00, 0x40, 0x8158},
156 	{0x00, 0x0a, 0x8159},
157 	{0x00, 0x06, 0x815a},
158 	{0x00, 0x00, 0x813f},
159 	{0x00, 0x00, 0x8200},
160 	{0x00, 0x19, 0x8201},
161 	{0x00, 0x00, 0x82c1},
162 	{0x00, 0xa0, 0x82c2},
163 	{0x00, 0x00, 0x82ca},
164 	{0x00, 0x00, 0x8117},
165 	{0x00, 0x00, 0x8118},
166 	{0x00, 0x65, 0x8119},
167 	{0x00, 0x00, 0x811a},
168 	{0x00, 0x00, 0x811b},
169 	{0x00, 0x55, 0x811c},
170 	{0x00, 0x65, 0x811d},
171 	{0x00, 0x55, 0x811e},
172 	{0x00, 0x16, 0x811f},
173 	{0x00, 0x19, 0x8120},
174 	{0x00, 0x80, 0x8103},
175 	{0x00, 0x83, 0x816b},
176 	{0x00, 0x25, 0x8168},
177 	{0x00, 0x01, 0x820f},
178 	{0x00, 0xff, 0x8115},
179 	{0x00, 0x48, 0x8116},
180 	{0x00, 0x50, 0x8151},
181 	{0x00, 0x40, 0x8152},
182 	{0x00, 0x78, 0x8153},
183 	{0x00, 0x40, 0x8154},
184 	{0x00, 0x00, 0x8167},
185 	{0x00, 0x20, 0x8168},
186 	{0x00, 0x00, 0x816a},
187 	{0x00, 0x03, 0x816b},
188 	{0x00, 0x20, 0x8169},
189 	{0x00, 0x60, 0x8157},
190 	{0x00, 0x00, 0x8190},
191 	{0x00, 0x00, 0x81a1},
192 	{0x00, 0x00, 0x81b2},
193 	{0x00, 0x27, 0x8191},
194 	{0x00, 0x27, 0x81a2},
195 	{0x00, 0x27, 0x81b3},
196 	{0x00, 0x4b, 0x8192},
197 	{0x00, 0x4b, 0x81a3},
198 	{0x00, 0x4b, 0x81b4},
199 	{0x00, 0x66, 0x8193},
200 	{0x00, 0x66, 0x81a4},
201 	{0x00, 0x66, 0x81b5},
202 	{0x00, 0x79, 0x8194},
203 	{0x00, 0x79, 0x81a5},
204 	{0x00, 0x79, 0x81b6},
205 	{0x00, 0x8a, 0x8195},
206 	{0x00, 0x8a, 0x81a6},
207 	{0x00, 0x8a, 0x81b7},
208 	{0x00, 0x9b, 0x8196},
209 	{0x00, 0x9b, 0x81a7},
210 	{0x00, 0x9b, 0x81b8},
211 	{0x00, 0xa6, 0x8197},
212 	{0x00, 0xa6, 0x81a8},
213 	{0x00, 0xa6, 0x81b9},
214 	{0x00, 0xb2, 0x8198},
215 	{0x00, 0xb2, 0x81a9},
216 	{0x00, 0xb2, 0x81ba},
217 	{0x00, 0xbe, 0x8199},
218 	{0x00, 0xbe, 0x81aa},
219 	{0x00, 0xbe, 0x81bb},
220 	{0x00, 0xc8, 0x819a},
221 	{0x00, 0xc8, 0x81ab},
222 	{0x00, 0xc8, 0x81bc},
223 	{0x00, 0xd2, 0x819b},
224 	{0x00, 0xd2, 0x81ac},
225 	{0x00, 0xd2, 0x81bd},
226 	{0x00, 0xdb, 0x819c},
227 	{0x00, 0xdb, 0x81ad},
228 	{0x00, 0xdb, 0x81be},
229 	{0x00, 0xe4, 0x819d},
230 	{0x00, 0xe4, 0x81ae},
231 	{0x00, 0xe4, 0x81bf},
232 	{0x00, 0xed, 0x819e},
233 	{0x00, 0xed, 0x81af},
234 	{0x00, 0xed, 0x81c0},
235 	{0x00, 0xf7, 0x819f},
236 	{0x00, 0xf7, 0x81b0},
237 	{0x00, 0xf7, 0x81c1},
238 	{0x00, 0xff, 0x81a0},
239 	{0x00, 0xff, 0x81b1},
240 	{0x00, 0xff, 0x81c2},
241 	{0x00, 0x03, 0x8156},
242 	{0x00, 0x00, 0x8211},
243 	{0x00, 0x20, 0x8168},
244 	{0x00, 0x01, 0x8202},
245 	{0x00, 0x30, 0x8101},
246 	{0x00, 0x00, 0x8111},
247 	{0x00, 0x00, 0x8112},
248 	{0x00, 0x00, 0x8113},
249 	{0x00, 0x00, 0x8114},
250 	{}
251 };
252 
253 static const __u8 qtable_creative_pccam[2][64] = {
254 	{				/* Q-table Y-components */
255 	 0x05, 0x03, 0x03, 0x05, 0x07, 0x0c, 0x0f, 0x12,
256 	 0x04, 0x04, 0x04, 0x06, 0x08, 0x11, 0x12, 0x11,
257 	 0x04, 0x04, 0x05, 0x07, 0x0c, 0x11, 0x15, 0x11,
258 	 0x04, 0x05, 0x07, 0x09, 0x0f, 0x1a, 0x18, 0x13,
259 	 0x05, 0x07, 0x0b, 0x11, 0x14, 0x21, 0x1f, 0x17,
260 	 0x07, 0x0b, 0x11, 0x13, 0x18, 0x1f, 0x22, 0x1c,
261 	 0x0f, 0x13, 0x17, 0x1a, 0x1f, 0x24, 0x24, 0x1e,
262 	 0x16, 0x1c, 0x1d, 0x1d, 0x22, 0x1e, 0x1f, 0x1e},
263 	{				/* Q-table C-components */
264 	 0x05, 0x05, 0x07, 0x0e, 0x1e, 0x1e, 0x1e, 0x1e,
265 	 0x05, 0x06, 0x08, 0x14, 0x1e, 0x1e, 0x1e, 0x1e,
266 	 0x07, 0x08, 0x11, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
267 	 0x0e, 0x14, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
268 	 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
269 	 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
270 	 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
271 	 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e}
272 };
273 
274 static const __u8 qtable_kodak_ez200[2][64] = {
275 	{				/* Q-table Y-components */
276 	 0x02, 0x01, 0x01, 0x02, 0x02, 0x04, 0x05, 0x06,
277 	 0x01, 0x01, 0x01, 0x02, 0x03, 0x06, 0x06, 0x06,
278 	 0x01, 0x01, 0x02, 0x02, 0x04, 0x06, 0x07, 0x06,
279 	 0x01, 0x02, 0x02, 0x03, 0x05, 0x09, 0x08, 0x06,
280 	 0x02, 0x02, 0x04, 0x06, 0x07, 0x0b, 0x0a, 0x08,
281 	 0x02, 0x04, 0x06, 0x06, 0x08, 0x0a, 0x0b, 0x09,
282 	 0x05, 0x06, 0x08, 0x09, 0x0a, 0x0c, 0x0c, 0x0a,
283 	 0x07, 0x09, 0x0a, 0x0a, 0x0b, 0x0a, 0x0a, 0x0a},
284 	{				/* Q-table C-components */
285 	 0x02, 0x02, 0x02, 0x05, 0x0a, 0x0a, 0x0a, 0x0a,
286 	 0x02, 0x02, 0x03, 0x07, 0x0a, 0x0a, 0x0a, 0x0a,
287 	 0x02, 0x03, 0x06, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a,
288 	 0x05, 0x07, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a,
289 	 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a,
290 	 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a,
291 	 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a,
292 	 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a}
293 };
294 
295 static const __u8 qtable_pocketdv[2][64] = {
296 	{		/* Q-table Y-components start registers 0x8800 */
297 	 0x06, 0x04, 0x04, 0x06, 0x0a, 0x10, 0x14, 0x18,
298 	 0x05, 0x05, 0x06, 0x08, 0x0a, 0x17, 0x18, 0x16,
299 	 0x06, 0x05, 0x06, 0x0a, 0x10, 0x17, 0x1c, 0x16,
300 	 0x06, 0x07, 0x09, 0x0c, 0x14, 0x23, 0x20, 0x19,
301 	 0x07, 0x09, 0x0f, 0x16, 0x1b, 0x2c, 0x29, 0x1f,
302 	 0x0a, 0x0e, 0x16, 0x1a, 0x20, 0x2a, 0x2d, 0x25,
303 	 0x14, 0x1a, 0x1f, 0x23, 0x29, 0x30, 0x30, 0x28,
304 	 0x1d, 0x25, 0x26, 0x27, 0x2d, 0x28, 0x29, 0x28,
305 	 },
306 	{		/* Q-table C-components start registers 0x8840 */
307 	 0x07, 0x07, 0x0a, 0x13, 0x28, 0x28, 0x28, 0x28,
308 	 0x07, 0x08, 0x0a, 0x1a, 0x28, 0x28, 0x28, 0x28,
309 	 0x0a, 0x0a, 0x16, 0x28, 0x28, 0x28, 0x28, 0x28,
310 	 0x13, 0x1a, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28,
311 	 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28,
312 	 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28,
313 	 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28,
314 	 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28}
315 };
316 
317 /* read 'len' bytes to gspca_dev->usb_buf */
318 static void reg_r(struct gspca_dev *gspca_dev,
319 		  __u16 index,
320 		  __u16 length)
321 {
322 	usb_control_msg(gspca_dev->dev,
323 			usb_rcvctrlpipe(gspca_dev->dev, 0),
324 			0,
325 			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
326 			0,		/* value */
327 			index, gspca_dev->usb_buf, length, 500);
328 }
329 
330 static int reg_w(struct gspca_dev *gspca_dev,
331 		     __u16 req, __u16 index, __u16 value)
332 {
333 	int ret;
334 
335 	PDEBUG(D_USBO, "reg write: [0x%02x] = 0x%02x", index, value);
336 	ret = usb_control_msg(gspca_dev->dev,
337 			usb_sndctrlpipe(gspca_dev->dev, 0),
338 			req,
339 			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
340 			value, index, NULL, 0, 500);
341 	if (ret < 0)
342 		pr_err("reg write: error %d\n", ret);
343 	return ret;
344 }
345 
346 /* returns: negative is error, pos or zero is data */
347 static int reg_r_12(struct gspca_dev *gspca_dev,
348 			__u16 req,	/* bRequest */
349 			__u16 index,	/* wIndex */
350 			__u16 length)	/* wLength (1 or 2 only) */
351 {
352 	int ret;
353 
354 	gspca_dev->usb_buf[1] = 0;
355 	ret = usb_control_msg(gspca_dev->dev,
356 			usb_rcvctrlpipe(gspca_dev->dev, 0),
357 			req,
358 			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
359 			0,		/* value */
360 			index,
361 			gspca_dev->usb_buf, length,
362 			500);		/* timeout */
363 	if (ret < 0) {
364 		pr_err("reg_r_12 err %d\n", ret);
365 		return ret;
366 	}
367 	return (gspca_dev->usb_buf[1] << 8) + gspca_dev->usb_buf[0];
368 }
369 
370 /*
371  * Simple function to wait for a given 8-bit value to be returned from
372  * a reg_read call.
373  * Returns: negative is error or timeout, zero is success.
374  */
375 static int reg_r_wait(struct gspca_dev *gspca_dev,
376 			__u16 reg, __u16 index, __u16 value)
377 {
378 	int ret, cnt = 20;
379 
380 	while (--cnt > 0) {
381 		ret = reg_r_12(gspca_dev, reg, index, 1);
382 		if (ret == value)
383 			return 0;
384 		msleep(50);
385 	}
386 	return -EIO;
387 }
388 
389 static int write_vector(struct gspca_dev *gspca_dev,
390 			const __u16 data[][3])
391 {
392 	int ret, i = 0;
393 
394 	while (data[i][0] != 0 || data[i][1] != 0 || data[i][2] != 0) {
395 		ret = reg_w(gspca_dev, data[i][0], data[i][2], data[i][1]);
396 		if (ret < 0)
397 			return ret;
398 		i++;
399 	}
400 	return 0;
401 }
402 
403 static int spca50x_setup_qtable(struct gspca_dev *gspca_dev,
404 				unsigned int request,
405 				unsigned int ybase,
406 				unsigned int cbase,
407 				const __u8 qtable[2][64])
408 {
409 	int i, err;
410 
411 	/* loop over y components */
412 	for (i = 0; i < 64; i++) {
413 		err = reg_w(gspca_dev, request, ybase + i, qtable[0][i]);
414 		if (err < 0)
415 			return err;
416 	}
417 
418 	/* loop over c components */
419 	for (i = 0; i < 64; i++) {
420 		err = reg_w(gspca_dev, request, cbase + i, qtable[1][i]);
421 		if (err < 0)
422 			return err;
423 	}
424 	return 0;
425 }
426 
427 static void spca500_ping310(struct gspca_dev *gspca_dev)
428 {
429 	reg_r(gspca_dev, 0x0d04, 2);
430 	PDEBUG(D_STREAM, "ClickSmart310 ping 0x0d04 0x%02x 0x%02x",
431 		gspca_dev->usb_buf[0], gspca_dev->usb_buf[1]);
432 }
433 
434 static void spca500_clksmart310_init(struct gspca_dev *gspca_dev)
435 {
436 	reg_r(gspca_dev, 0x0d05, 2);
437 	PDEBUG(D_STREAM, "ClickSmart310 init 0x0d05 0x%02x 0x%02x",
438 		gspca_dev->usb_buf[0], gspca_dev->usb_buf[1]);
439 	reg_w(gspca_dev, 0x00, 0x8167, 0x5a);
440 	spca500_ping310(gspca_dev);
441 
442 	reg_w(gspca_dev, 0x00, 0x8168, 0x22);
443 	reg_w(gspca_dev, 0x00, 0x816a, 0xc0);
444 	reg_w(gspca_dev, 0x00, 0x816b, 0x0b);
445 	reg_w(gspca_dev, 0x00, 0x8169, 0x25);
446 	reg_w(gspca_dev, 0x00, 0x8157, 0x5b);
447 	reg_w(gspca_dev, 0x00, 0x8158, 0x5b);
448 	reg_w(gspca_dev, 0x00, 0x813f, 0x03);
449 	reg_w(gspca_dev, 0x00, 0x8151, 0x4a);
450 	reg_w(gspca_dev, 0x00, 0x8153, 0x78);
451 	reg_w(gspca_dev, 0x00, 0x0d01, 0x04);
452 						/* 00 for adjust shutter */
453 	reg_w(gspca_dev, 0x00, 0x0d02, 0x01);
454 	reg_w(gspca_dev, 0x00, 0x8169, 0x25);
455 	reg_w(gspca_dev, 0x00, 0x0d01, 0x02);
456 }
457 
458 static void spca500_setmode(struct gspca_dev *gspca_dev,
459 			__u8 xmult, __u8 ymult)
460 {
461 	int mode;
462 
463 	/* set x multiplier */
464 	reg_w(gspca_dev, 0, 0x8001, xmult);
465 
466 	/* set y multiplier */
467 	reg_w(gspca_dev, 0, 0x8002, ymult);
468 
469 	/* use compressed mode, VGA, with mode specific subsample */
470 	mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
471 	reg_w(gspca_dev, 0, 0x8003, mode << 4);
472 }
473 
474 static int spca500_full_reset(struct gspca_dev *gspca_dev)
475 {
476 	int err;
477 
478 	/* send the reset command */
479 	err = reg_w(gspca_dev, 0xe0, 0x0001, 0x0000);
480 	if (err < 0)
481 		return err;
482 
483 	/* wait for the reset to complete */
484 	err = reg_r_wait(gspca_dev, 0x06, 0x0000, 0x0000);
485 	if (err < 0)
486 		return err;
487 	err = reg_w(gspca_dev, 0xe0, 0x0000, 0x0000);
488 	if (err < 0)
489 		return err;
490 	err = reg_r_wait(gspca_dev, 0x06, 0, 0);
491 	if (err < 0) {
492 		PERR("reg_r_wait() failed");
493 		return err;
494 	}
495 	/* all ok */
496 	return 0;
497 }
498 
499 /* Synchro the Bridge with sensor */
500 /* Maybe that will work on all spca500 chip */
501 /* because i only own a clicksmart310 try for that chip */
502 /* using spca50x_set_packet_size() cause an Ooops here */
503 /* usb_set_interface from kernel 2.6.x clear all the urb stuff */
504 /* up-port the same feature as in 2.4.x kernel */
505 static int spca500_synch310(struct gspca_dev *gspca_dev)
506 {
507 	if (usb_set_interface(gspca_dev->dev, gspca_dev->iface, 0) < 0) {
508 		PERR("Set packet size: set interface error");
509 		goto error;
510 	}
511 	spca500_ping310(gspca_dev);
512 
513 	reg_r(gspca_dev, 0x0d00, 1);
514 
515 	/* need alt setting here */
516 	PDEBUG(D_PACK, "ClickSmart310 sync alt: %d", gspca_dev->alt);
517 
518 	/* Windoze use pipe with altsetting 6 why 7 here */
519 	if (usb_set_interface(gspca_dev->dev,
520 				gspca_dev->iface,
521 				gspca_dev->alt) < 0) {
522 		PERR("Set packet size: set interface error");
523 		goto error;
524 	}
525 	return 0;
526 error:
527 	return -EBUSY;
528 }
529 
530 static void spca500_reinit(struct gspca_dev *gspca_dev)
531 {
532 	int err;
533 	__u8 Data;
534 
535 	/* some unknown command from Aiptek pocket dv and family300 */
536 
537 	reg_w(gspca_dev, 0x00, 0x0d01, 0x01);
538 	reg_w(gspca_dev, 0x00, 0x0d03, 0x00);
539 	reg_w(gspca_dev, 0x00, 0x0d02, 0x01);
540 
541 	/* enable drop packet */
542 	reg_w(gspca_dev, 0x00, 0x850a, 0x0001);
543 
544 	err = spca50x_setup_qtable(gspca_dev, 0x00, 0x8800, 0x8840,
545 				 qtable_pocketdv);
546 	if (err < 0)
547 		PERR("spca50x_setup_qtable failed on init");
548 
549 	/* set qtable index */
550 	reg_w(gspca_dev, 0x00, 0x8880, 2);
551 	/* family cam Quicksmart stuff */
552 	reg_w(gspca_dev, 0x00, 0x800a, 0x00);
553 	/* Set agc transfer: synced between frames */
554 	reg_w(gspca_dev, 0x00, 0x820f, 0x01);
555 	/* Init SDRAM - needed for SDRAM access */
556 	reg_w(gspca_dev, 0x00, 0x870a, 0x04);
557 	/*Start init sequence or stream */
558 	reg_w(gspca_dev, 0, 0x8003, 0x00);
559 	/* switch to video camera mode */
560 	reg_w(gspca_dev, 0x00, 0x8000, 0x0004);
561 	msleep(2000);
562 	if (reg_r_wait(gspca_dev, 0, 0x8000, 0x44) != 0) {
563 		reg_r(gspca_dev, 0x816b, 1);
564 		Data = gspca_dev->usb_buf[0];
565 		reg_w(gspca_dev, 0x00, 0x816b, Data);
566 	}
567 }
568 
569 /* this function is called at probe time */
570 static int sd_config(struct gspca_dev *gspca_dev,
571 			const struct usb_device_id *id)
572 {
573 	struct sd *sd = (struct sd *) gspca_dev;
574 	struct cam *cam;
575 
576 	cam = &gspca_dev->cam;
577 	sd->subtype = id->driver_info;
578 	if (sd->subtype != LogitechClickSmart310) {
579 		cam->cam_mode = vga_mode;
580 		cam->nmodes = ARRAY_SIZE(vga_mode);
581 	} else {
582 		cam->cam_mode = sif_mode;
583 		cam->nmodes = ARRAY_SIZE(sif_mode);
584 	}
585 	return 0;
586 }
587 
588 /* this function is called at probe and resume time */
589 static int sd_init(struct gspca_dev *gspca_dev)
590 {
591 	struct sd *sd = (struct sd *) gspca_dev;
592 
593 	/* initialisation of spca500 based cameras is deferred */
594 	PDEBUG(D_STREAM, "SPCA500 init");
595 	if (sd->subtype == LogitechClickSmart310)
596 		spca500_clksmart310_init(gspca_dev);
597 /*	else
598 		spca500_initialise(gspca_dev); */
599 	PDEBUG(D_STREAM, "SPCA500 init done");
600 	return 0;
601 }
602 
603 static int sd_start(struct gspca_dev *gspca_dev)
604 {
605 	struct sd *sd = (struct sd *) gspca_dev;
606 	int err;
607 	__u8 Data;
608 	__u8 xmult, ymult;
609 
610 	/* create the JPEG header */
611 	jpeg_define(sd->jpeg_hdr, gspca_dev->height, gspca_dev->width,
612 			0x22);		/* JPEG 411 */
613 	jpeg_set_qual(sd->jpeg_hdr, QUALITY);
614 
615 	if (sd->subtype == LogitechClickSmart310) {
616 		xmult = 0x16;
617 		ymult = 0x12;
618 	} else {
619 		xmult = 0x28;
620 		ymult = 0x1e;
621 	}
622 
623 	/* is there a sensor here ? */
624 	reg_r(gspca_dev, 0x8a04, 1);
625 	PDEBUG(D_STREAM, "Spca500 Sensor Address 0x%02x",
626 		gspca_dev->usb_buf[0]);
627 	PDEBUG(D_STREAM, "Spca500 curr_mode: %d Xmult: 0x%02x, Ymult: 0x%02x",
628 		gspca_dev->curr_mode, xmult, ymult);
629 
630 	/* setup qtable */
631 	switch (sd->subtype) {
632 	case LogitechClickSmart310:
633 		 spca500_setmode(gspca_dev, xmult, ymult);
634 
635 		/* enable drop packet */
636 		reg_w(gspca_dev, 0x00, 0x850a, 0x0001);
637 		reg_w(gspca_dev, 0x00, 0x8880, 3);
638 		err = spca50x_setup_qtable(gspca_dev,
639 					   0x00, 0x8800, 0x8840,
640 					   qtable_creative_pccam);
641 		if (err < 0)
642 			PERR("spca50x_setup_qtable failed");
643 		/* Init SDRAM - needed for SDRAM access */
644 		reg_w(gspca_dev, 0x00, 0x870a, 0x04);
645 
646 		/* switch to video camera mode */
647 		reg_w(gspca_dev, 0x00, 0x8000, 0x0004);
648 		msleep(500);
649 		if (reg_r_wait(gspca_dev, 0, 0x8000, 0x44) != 0)
650 			PERR("reg_r_wait() failed");
651 
652 		reg_r(gspca_dev, 0x816b, 1);
653 		Data = gspca_dev->usb_buf[0];
654 		reg_w(gspca_dev, 0x00, 0x816b, Data);
655 
656 		spca500_synch310(gspca_dev);
657 
658 		write_vector(gspca_dev, spca500_visual_defaults);
659 		spca500_setmode(gspca_dev, xmult, ymult);
660 		/* enable drop packet */
661 		err = reg_w(gspca_dev, 0x00, 0x850a, 0x0001);
662 		if (err < 0)
663 			PERR("failed to enable drop packet");
664 		reg_w(gspca_dev, 0x00, 0x8880, 3);
665 		err = spca50x_setup_qtable(gspca_dev,
666 					   0x00, 0x8800, 0x8840,
667 					   qtable_creative_pccam);
668 		if (err < 0)
669 			PERR("spca50x_setup_qtable failed");
670 
671 		/* Init SDRAM - needed for SDRAM access */
672 		reg_w(gspca_dev, 0x00, 0x870a, 0x04);
673 
674 		/* switch to video camera mode */
675 		reg_w(gspca_dev, 0x00, 0x8000, 0x0004);
676 
677 		if (reg_r_wait(gspca_dev, 0, 0x8000, 0x44) != 0)
678 			PERR("reg_r_wait() failed");
679 
680 		reg_r(gspca_dev, 0x816b, 1);
681 		Data = gspca_dev->usb_buf[0];
682 		reg_w(gspca_dev, 0x00, 0x816b, Data);
683 		break;
684 	case CreativePCCam300:		/* Creative PC-CAM 300 640x480 CCD */
685 	case IntelPocketPCCamera:	/* FIXME: Temporary fix for
686 					 *	Intel Pocket PC Camera
687 					 *	- NWG (Sat 29th March 2003) */
688 
689 		/* do a full reset */
690 		err = spca500_full_reset(gspca_dev);
691 		if (err < 0)
692 			PERR("spca500_full_reset failed");
693 
694 		/* enable drop packet */
695 		err = reg_w(gspca_dev, 0x00, 0x850a, 0x0001);
696 		if (err < 0)
697 			PERR("failed to enable drop packet");
698 		reg_w(gspca_dev, 0x00, 0x8880, 3);
699 		err = spca50x_setup_qtable(gspca_dev,
700 					   0x00, 0x8800, 0x8840,
701 					   qtable_creative_pccam);
702 		if (err < 0)
703 			PERR("spca50x_setup_qtable failed");
704 
705 		spca500_setmode(gspca_dev, xmult, ymult);
706 		reg_w(gspca_dev, 0x20, 0x0001, 0x0004);
707 
708 		/* switch to video camera mode */
709 		reg_w(gspca_dev, 0x00, 0x8000, 0x0004);
710 
711 		if (reg_r_wait(gspca_dev, 0, 0x8000, 0x44) != 0)
712 			PERR("reg_r_wait() failed");
713 
714 		reg_r(gspca_dev, 0x816b, 1);
715 		Data = gspca_dev->usb_buf[0];
716 		reg_w(gspca_dev, 0x00, 0x816b, Data);
717 
718 /*		write_vector(gspca_dev, spca500_visual_defaults); */
719 		break;
720 	case KodakEZ200:		/* Kodak EZ200 */
721 
722 		/* do a full reset */
723 		err = spca500_full_reset(gspca_dev);
724 		if (err < 0)
725 			PERR("spca500_full_reset failed");
726 		/* enable drop packet */
727 		reg_w(gspca_dev, 0x00, 0x850a, 0x0001);
728 		reg_w(gspca_dev, 0x00, 0x8880, 0);
729 		err = spca50x_setup_qtable(gspca_dev,
730 					   0x00, 0x8800, 0x8840,
731 					   qtable_kodak_ez200);
732 		if (err < 0)
733 			PERR("spca50x_setup_qtable failed");
734 		spca500_setmode(gspca_dev, xmult, ymult);
735 
736 		reg_w(gspca_dev, 0x20, 0x0001, 0x0004);
737 
738 		/* switch to video camera mode */
739 		reg_w(gspca_dev, 0x00, 0x8000, 0x0004);
740 
741 		if (reg_r_wait(gspca_dev, 0, 0x8000, 0x44) != 0)
742 			PERR("reg_r_wait() failed");
743 
744 		reg_r(gspca_dev, 0x816b, 1);
745 		Data = gspca_dev->usb_buf[0];
746 		reg_w(gspca_dev, 0x00, 0x816b, Data);
747 
748 /*		write_vector(gspca_dev, spca500_visual_defaults); */
749 		break;
750 
751 	case BenqDC1016:
752 	case DLinkDSC350:		/* FamilyCam 300 */
753 	case AiptekPocketDV:		/* Aiptek PocketDV */
754 	case Gsmartmini:		/*Mustek Gsmart Mini */
755 	case MustekGsmart300:		/* Mustek Gsmart 300 */
756 	case PalmPixDC85:
757 	case Optimedia:
758 	case ToptroIndus:
759 	case AgfaCl20:
760 		spca500_reinit(gspca_dev);
761 		reg_w(gspca_dev, 0x00, 0x0d01, 0x01);
762 		/* enable drop packet */
763 		reg_w(gspca_dev, 0x00, 0x850a, 0x0001);
764 
765 		err = spca50x_setup_qtable(gspca_dev,
766 				   0x00, 0x8800, 0x8840, qtable_pocketdv);
767 		if (err < 0)
768 			PERR("spca50x_setup_qtable failed");
769 		reg_w(gspca_dev, 0x00, 0x8880, 2);
770 
771 		/* familycam Quicksmart pocketDV stuff */
772 		reg_w(gspca_dev, 0x00, 0x800a, 0x00);
773 		/* Set agc transfer: synced between frames */
774 		reg_w(gspca_dev, 0x00, 0x820f, 0x01);
775 		/* Init SDRAM - needed for SDRAM access */
776 		reg_w(gspca_dev, 0x00, 0x870a, 0x04);
777 
778 		spca500_setmode(gspca_dev, xmult, ymult);
779 		/* switch to video camera mode */
780 		reg_w(gspca_dev, 0x00, 0x8000, 0x0004);
781 
782 		reg_r_wait(gspca_dev, 0, 0x8000, 0x44);
783 
784 		reg_r(gspca_dev, 0x816b, 1);
785 		Data = gspca_dev->usb_buf[0];
786 		reg_w(gspca_dev, 0x00, 0x816b, Data);
787 		break;
788 	case LogitechTraveler:
789 	case LogitechClickSmart510:
790 		reg_w(gspca_dev, 0x02, 0x00, 0x00);
791 		/* enable drop packet */
792 		reg_w(gspca_dev, 0x00, 0x850a, 0x0001);
793 
794 		err = spca50x_setup_qtable(gspca_dev,
795 					0x00, 0x8800,
796 					0x8840, qtable_creative_pccam);
797 		if (err < 0)
798 			PERR("spca50x_setup_qtable failed");
799 		reg_w(gspca_dev, 0x00, 0x8880, 3);
800 		reg_w(gspca_dev, 0x00, 0x800a, 0x00);
801 		/* Init SDRAM - needed for SDRAM access */
802 		reg_w(gspca_dev, 0x00, 0x870a, 0x04);
803 
804 		spca500_setmode(gspca_dev, xmult, ymult);
805 
806 		/* switch to video camera mode */
807 		reg_w(gspca_dev, 0x00, 0x8000, 0x0004);
808 		reg_r_wait(gspca_dev, 0, 0x8000, 0x44);
809 
810 		reg_r(gspca_dev, 0x816b, 1);
811 		Data = gspca_dev->usb_buf[0];
812 		reg_w(gspca_dev, 0x00, 0x816b, Data);
813 		write_vector(gspca_dev, Clicksmart510_defaults);
814 		break;
815 	}
816 	return 0;
817 }
818 
819 static void sd_stopN(struct gspca_dev *gspca_dev)
820 {
821 	reg_w(gspca_dev, 0, 0x8003, 0x00);
822 
823 	/* switch to video camera mode */
824 	reg_w(gspca_dev, 0x00, 0x8000, 0x0004);
825 	reg_r(gspca_dev, 0x8000, 1);
826 	PDEBUG(D_STREAM, "stop SPCA500 done reg8000: 0x%2x",
827 		gspca_dev->usb_buf[0]);
828 }
829 
830 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
831 			u8 *data,			/* isoc packet */
832 			int len)			/* iso packet length */
833 {
834 	struct sd *sd = (struct sd *) gspca_dev;
835 	int i;
836 	static __u8 ffd9[] = {0xff, 0xd9};
837 
838 /* frames are jpeg 4.1.1 without 0xff escape */
839 	if (data[0] == 0xff) {
840 		if (data[1] != 0x01) {	/* drop packet */
841 /*			gspca_dev->last_packet_type = DISCARD_PACKET; */
842 			return;
843 		}
844 		gspca_frame_add(gspca_dev, LAST_PACKET,
845 					ffd9, 2);
846 
847 		/* put the JPEG header in the new frame */
848 		gspca_frame_add(gspca_dev, FIRST_PACKET,
849 			sd->jpeg_hdr, JPEG_HDR_SZ);
850 
851 		data += SPCA500_OFFSET_DATA;
852 		len -= SPCA500_OFFSET_DATA;
853 	} else {
854 		data += 1;
855 		len -= 1;
856 	}
857 
858 	/* add 0x00 after 0xff */
859 	i = 0;
860 	do {
861 		if (data[i] == 0xff) {
862 			gspca_frame_add(gspca_dev, INTER_PACKET,
863 					data, i + 1);
864 			len -= i;
865 			data += i;
866 			*data = 0x00;
867 			i = 0;
868 		}
869 		i++;
870 	} while (i < len);
871 	gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
872 }
873 
874 static void setbrightness(struct gspca_dev *gspca_dev, s32 val)
875 {
876 	reg_w(gspca_dev, 0x00, 0x8167,
877 			(__u8) (val - 128));
878 }
879 
880 static void setcontrast(struct gspca_dev *gspca_dev, s32 val)
881 {
882 	reg_w(gspca_dev, 0x00, 0x8168, val);
883 }
884 
885 static void setcolors(struct gspca_dev *gspca_dev, s32 val)
886 {
887 	reg_w(gspca_dev, 0x00, 0x8169, val);
888 }
889 
890 static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
891 {
892 	struct gspca_dev *gspca_dev =
893 		container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
894 
895 	gspca_dev->usb_err = 0;
896 
897 	if (!gspca_dev->streaming)
898 		return 0;
899 
900 	switch (ctrl->id) {
901 	case V4L2_CID_BRIGHTNESS:
902 		setbrightness(gspca_dev, ctrl->val);
903 		break;
904 	case V4L2_CID_CONTRAST:
905 		setcontrast(gspca_dev, ctrl->val);
906 		break;
907 	case V4L2_CID_SATURATION:
908 		setcolors(gspca_dev, ctrl->val);
909 		break;
910 	}
911 	return gspca_dev->usb_err;
912 }
913 
914 static const struct v4l2_ctrl_ops sd_ctrl_ops = {
915 	.s_ctrl = sd_s_ctrl,
916 };
917 
918 static int sd_init_controls(struct gspca_dev *gspca_dev)
919 {
920 	struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
921 
922 	gspca_dev->vdev.ctrl_handler = hdl;
923 	v4l2_ctrl_handler_init(hdl, 3);
924 	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
925 			V4L2_CID_BRIGHTNESS, 0, 255, 1, 127);
926 	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
927 			V4L2_CID_CONTRAST, 0, 63, 1, 31);
928 	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
929 			V4L2_CID_SATURATION, 0, 63, 1, 31);
930 
931 	if (hdl->error) {
932 		pr_err("Could not initialize controls\n");
933 		return hdl->error;
934 	}
935 	return 0;
936 }
937 
938 /* sub-driver description */
939 static const struct sd_desc sd_desc = {
940 	.name = MODULE_NAME,
941 	.config = sd_config,
942 	.init = sd_init,
943 	.init_controls = sd_init_controls,
944 	.start = sd_start,
945 	.stopN = sd_stopN,
946 	.pkt_scan = sd_pkt_scan,
947 };
948 
949 /* -- module initialisation -- */
950 static const struct usb_device_id device_table[] = {
951 	{USB_DEVICE(0x040a, 0x0300), .driver_info = KodakEZ200},
952 	{USB_DEVICE(0x041e, 0x400a), .driver_info = CreativePCCam300},
953 	{USB_DEVICE(0x046d, 0x0890), .driver_info = LogitechTraveler},
954 	{USB_DEVICE(0x046d, 0x0900), .driver_info = LogitechClickSmart310},
955 	{USB_DEVICE(0x046d, 0x0901), .driver_info = LogitechClickSmart510},
956 	{USB_DEVICE(0x04a5, 0x300c), .driver_info = BenqDC1016},
957 	{USB_DEVICE(0x04fc, 0x7333), .driver_info = PalmPixDC85},
958 	{USB_DEVICE(0x055f, 0xc200), .driver_info = MustekGsmart300},
959 	{USB_DEVICE(0x055f, 0xc220), .driver_info = Gsmartmini},
960 	{USB_DEVICE(0x06bd, 0x0404), .driver_info = AgfaCl20},
961 	{USB_DEVICE(0x06be, 0x0800), .driver_info = Optimedia},
962 	{USB_DEVICE(0x084d, 0x0003), .driver_info = DLinkDSC350},
963 	{USB_DEVICE(0x08ca, 0x0103), .driver_info = AiptekPocketDV},
964 	{USB_DEVICE(0x2899, 0x012c), .driver_info = ToptroIndus},
965 	{USB_DEVICE(0x8086, 0x0630), .driver_info = IntelPocketPCCamera},
966 	{}
967 };
968 MODULE_DEVICE_TABLE(usb, device_table);
969 
970 /* -- device connect -- */
971 static int sd_probe(struct usb_interface *intf,
972 			const struct usb_device_id *id)
973 {
974 	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
975 				THIS_MODULE);
976 }
977 
978 static struct usb_driver sd_driver = {
979 	.name = MODULE_NAME,
980 	.id_table = device_table,
981 	.probe = sd_probe,
982 	.disconnect = gspca_disconnect,
983 #ifdef CONFIG_PM
984 	.suspend = gspca_suspend,
985 	.resume = gspca_resume,
986 	.reset_resume = gspca_resume,
987 #endif
988 };
989 
990 module_usb_driver(sd_driver);
991