16  * Register page 0:
19  * 0x01		Red balance control
20  * 0x02		Green balance control
21  * 0x03		Blue balance control
23  *		     the settable values (0-200) on register values:
24  *		     min=0x20, default=0x40, max=0x80
25  * 0x0f-0x20	Color and saturation control
26  * 0xa2-0xab	Brightness, contrast and gamma control
27  * 0xb6		Sharpness control (bits 0-4)
32  * 0x78		Global control, bit 6 controls the LED (inverted)
33  * 0x80		Compression balance, 2 interesting settings:
34  *		0x0f Default
35  *		0x50 Values >= this switch the camera to a lower compression,
45  * 0x02		Clock divider 3-63, fps = 90 / val. Must be a multiple of 3 on
47  * 0x03		Variable framerate ctrl reg2==3: 0 -> ~30 fps, 255 -> ~22fps
48  * 0x04		Another var framerate ctrl reg2==3, reg3==0: 0 -> ~30 fps,
50  * 0x05		Another var framerate ctrl reg2==3, reg3==0, reg4==0xc0:
52  * 0x0e		Exposure bits 0-7, 0-448, 0 = use full frame time
53  * 0x0f		Exposure bit 8, 0-448, 448 = no exposure at all
54  * 0x10		Gain 0-31
55  * 0x12		Another gain 0-31, unlike 0x10 this one seems to start with an
56  *		amplification value of 1 rather then 0 at its lowest setting
57  * 0x21		Bitfield: 0-1 unused, 2-3 vflip/hflip, 4-5 unknown, 6-7 unused
58  * 0x80		Another framerate control, best left at 1, moving it from 1 to
67  *  0   | 0x01       | setredbalance()
68  *  0   | 0x03       | setbluebalance()
69  *  0   | 0x0f..0x20 | setcolors()
70  *  0   | 0xa2..0xab | setbrightcont()
71  *  0   | 0xb6       | setsharpness()
72  *  0   | 0xc6       | setwhitebalance()
73  *  0   | 0xdc       | setbrightcont(), setcolors()
74  *  3   | 0x02       | setexposure()
75  *  3   | 0x10, 0x12 | setgain()
76  *  3   | 0x11       | setcolors(), setgain(), setexposure(), sethvflip()
77  *  3   | 0x21       | sethvflip()
87 #define PAC7302_RGB_BALANCE_MIN		  0
116 #define FL_HFLIP 0x01		/* mirrored by default */
117 #define FL_VFLIP 0x02		/* vertical flipped by default */
134 #define END_OF_SEQUENCE		0
138 	0xff, 0x01,		/* page 1 */
139 	0x78, 0x00,		/* deactivate */
140 	0xff, 0x01,
141 	0x78, 0x40,		/* led off */
145 	0xff, 1,	0x00,		/* page 0 */
146 	0x00, 12,	0x01, 0x40, 0x40, 0x40, 0x01, 0xe0, 0x02, 0x80,
147 			0x00, 0x00, 0x00, 0x00,
148 	0x0d, 24,	0x03, 0x01, 0x00, 0xb5, 0x07, 0xcb, 0x00, 0x00,
149 			0x07, 0xc8, 0x00, 0xea, 0x07, 0xcf, 0x07, 0xf7,
150 			0x07, 0x7e, 0x01, 0x0b, 0x00, 0x00, 0x00, 0x11,
151 	0x26, 2,	0xaa, 0xaa,
152 	0x2e, 1,	0x31,
153 	0x38, 1,	0x01,
154 	0x3a, 3,	0x14, 0xff, 0x5a,
155 	0x43, 11,	0x00, 0x0a, 0x18, 0x11, 0x01, 0x2c, 0x88, 0x11,
156 			0x00, 0x54, 0x11,
157 	0x55, 1,	0x00,
158 	0x62, 4,	0x10, 0x1e, 0x1e, 0x18,
159 	0x6b, 1,	0x00,
160 	0x6e, 3,	0x08, 0x06, 0x00,
161 	0x72, 3,	0x00, 0xff, 0x00,
162 	0x7d, 23,	0x01, 0x01, 0x58, 0x46, 0x50, 0x3c, 0x50, 0x3c,
163 			0x54, 0x46, 0x54, 0x56, 0x52, 0x50, 0x52, 0x50,
164 			0x56, 0x64, 0xa4, 0x00, 0xda, 0x00, 0x00,
165 	0xa2, 10,	0x22, 0x2c, 0x3c, 0x54, 0x69, 0x7c, 0x9c, 0xb9,
166 			0xd2, 0xeb,
167 	0xaf, 1,	0x02,
168 	0xb5, 2,	0x08, 0x08,
169 	0xb8, 2,	0x08, 0x88,
170 	0xc4, 4,	0xae, 0x01, 0x04, 0x01,
171 	0xcc, 1,	0x00,
172 	0xd1, 11,	0x01, 0x30, 0x49, 0x5e, 0x6f, 0x7f, 0x8e, 0xa9,
173 			0xc1, 0xd7, 0xec,
174 	0xdc, 1,	0x01,
175 	0xff, 1,	0x01,		/* page 1 */
176 	0x12, 3,	0x02, 0x00, 0x01,
177 	0x3e, 2,	0x00, 0x00,
178 	0x76, 5,	0x01, 0x20, 0x40, 0x00, 0xf2,
179 	0x7c, 1,	0x00,
180 	0x7f, 10,	0x4b, 0x0f, 0x01, 0x2c, 0x02, 0x58, 0x03, 0x20,
181 			0x02, 0x00,
182 	0x96, 5,	0x01, 0x10, 0x04, 0x01, 0x04,
183 	0xc8, 14,	0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00,
184 			0x07, 0x00, 0x01, 0x07, 0x04, 0x01,
185 	0xd8, 1,	0x01,
186 	0xdb, 2,	0x00, 0x01,
187 	0xde, 7,	0x00, 0x01, 0x04, 0x04, 0x00, 0x00, 0x00,
188 	0xe6, 4,	0x00, 0x00, 0x00, 0x01,
189 	0xeb, 1,	0x00,
190 	0xff, 1,	0x02,		/* page 2 */
191 	0x22, 1,	0x00,
192 	0xff, 1,	0x03,		/* page 3 */
193 	0, LOAD_PAGE3,			/* load the page 3 */
194 	0x11, 1,	0x01,
195 	0xff, 1,	0x02,		/* page 2 */
196 	0x13, 1,	0x00,
197 	0x22, 4,	0x1f, 0xa4, 0xf0, 0x96,
198 	0x27, 2,	0x14, 0x0c,
199 	0x2a, 5,	0xc8, 0x00, 0x18, 0x12, 0x22,
200 	0x64, 8,	0x00, 0x00, 0xf0, 0x01, 0x14, 0x44, 0x44, 0x44,
201 	0x6e, 1,	0x08,
202 	0xff, 1,	0x01,		/* page 1 */
203 	0x78, 1,	0x00,
204 	0, END_OF_SEQUENCE		/* end of sequence */
207 #define SKIP		0xaa
210 	0x90, 0x40, 0x03, 0x00, 0xc0, 0x01, 0x14, 0x16,
211 	0x14, 0x12, 0x00, 0x00, 0x00, 0x02, 0x33, 0x00,
212 	0x0f, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
213 	0x00, 0x00, 0x00, 0x47, 0x01, 0xb3, 0x01, 0x00,
214 	0x00, 0x08, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x21,
215 	0x00, 0x00, 0x00, 0x54, 0xf4, 0x02, 0x52, 0x54,
216 	0xa4, 0xb8, 0xe0, 0x2a, 0xf6, 0x00, 0x00, 0x00,
217 	0x00, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
218 	0x00, 0xfc, 0x00, 0xf2, 0x1f, 0x04, 0x00, 0x00,
219 	SKIP, 0x00, 0x00, 0xc0, 0xc0, 0x10, 0x00, 0x00,
220 	0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
221 	0x00, 0x40, 0xff, 0x03, 0x19, 0x00, 0x00, 0x00,
222 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
223 	0x00, 0x00, 0x00, 0x00, 0x00, 0xc8, 0xc8, 0xc8,
224 	0xc8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50,
225 	0x08, 0x10, 0x24, 0x40, 0x00, 0x00, 0x00, 0x00,
226 	0x01, 0x00, 0x02, 0x47, 0x00, 0x00, 0x00, 0x00,
227 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
228 	0x00, 0x02, 0xfa, 0x00, 0x64, 0x5a, 0x28, 0x00,
229 	0x00
238 	if (gspca_dev->usb_err < 0)  in reg_w_buf()
242 			usb_sndctrlpipe(gspca_dev->dev, 0),  in reg_w_buf()
243 			0,		/* request */  in reg_w_buf()
245 			0,		/* value */  in reg_w_buf()
248 	if (ret < 0) {  in reg_w_buf()
262 	if (gspca_dev->usb_err < 0)  in reg_w()
264 	gspca_dev->usb_buf[0] = value;  in reg_w()
266 			usb_sndctrlpipe(gspca_dev->dev, 0),  in reg_w()
267 			0,			/* request */  in reg_w()
269 			0, index, gspca_dev->usb_buf, 1,  in reg_w()
271 	if (ret < 0) {  in reg_w()
281 	while (--len >= 0) {  in reg_w_seq()
282 		reg_w(gspca_dev, seq[0], seq[1]);  in reg_w_seq()
292 	int ret = 0;  in reg_w_page()
294 	if (gspca_dev->usb_err < 0)  in reg_w_page()
296 	for (index = 0; index < len; index++) {  in reg_w_page()
299 		gspca_dev->usb_buf[0] = page[index];  in reg_w_page()
301 				usb_sndctrlpipe(gspca_dev->dev, 0),  in reg_w_page()
302 				0,			/* request */  in reg_w_page()
304 				0, index, gspca_dev->usb_buf, 1,  in reg_w_page()
306 		if (ret < 0) {  in reg_w_page()
336 			while (len > 0) {  in reg_w_var()
366 	return 0;  in sd_config()
374 		{0x29, 0x33, 0x42, 0x5a, 0x6e, 0x80, 0x9f, 0xbb,  in setbrightcont()
375 		 0xd4, 0xec};  in setbrightcont()
377 		{0x35, 0x33, 0x33, 0x2f, 0x2a, 0x25, 0x1e, 0x17,  in setbrightcont()
378 		 0x11, 0x0b};  in setbrightcont()
380 	reg_w(gspca_dev, 0xff, 0x00);		/* page 0 */  in setbrightcont()
381 	for (i = 0; i < 10; i++) {  in setbrightcont()
386 		if (v < 0)  in setbrightcont()
387 			v = 0;  in setbrightcont()
388 		else if (v > 0xff)  in setbrightcont()
389 			v = 0xff;  in setbrightcont()
390 		reg_w(gspca_dev, 0xa2 + i, v);  in setbrightcont()
392 	reg_w(gspca_dev, 0xdc, 0x01);  in setbrightcont()
400 		{217, -212, 0, -101, 170, -67, -38, -315, 355};  in setcolors()
402 		{19, 106, 0, 19, 106, 1, 19, 106, 1};  in setcolors()
404 	reg_w(gspca_dev, 0xff, 0x03);			/* page 3 */  in setcolors()
405 	reg_w(gspca_dev, 0x11, 0x01);  in setcolors()
406 	reg_w(gspca_dev, 0xff, 0x00);			/* page 0 */  in setcolors()
407 	for (i = 0; i < 9; i++) {  in setcolors()
410 		reg_w(gspca_dev, 0x0f + 2 * i, (v >> 8) & 0x07);  in setcolors()
411 		reg_w(gspca_dev, 0x0f + 2 * i + 1, v);  in setcolors()
413 	reg_w(gspca_dev, 0xdc, 0x01);  in setcolors()
420 	reg_w(gspca_dev, 0xff, 0x00);		/* page 0 */  in setwhitebalance()
421 	reg_w(gspca_dev, 0xc6, sd->white_balance->val);  in setwhitebalance()
423 	reg_w(gspca_dev, 0xdc, 0x01);  in setwhitebalance()
431 	/* Normed value [0...k] */  in rgbbalance_ctrl_to_reg_value()
437 	 * => register values 0x20-0x80; Windows driver uses these limits */  in rgbbalance_ctrl_to_reg_value()
439 	/* NOTE: for full value range (0x00-0xff) use  in rgbbalance_ctrl_to_reg_value()
448 	reg_w(gspca_dev, 0xff, 0x00);			/* page 0 */  in setredbalance()
449 	reg_w(gspca_dev, 0x01,  in setredbalance()
452 	reg_w(gspca_dev, 0xdc, 0x01);  in setredbalance()
459 	reg_w(gspca_dev, 0xff, 0x00);			/* page 0 */  in setbluebalance()
460 	reg_w(gspca_dev, 0x03,  in setbluebalance()
463 	reg_w(gspca_dev, 0xdc, 0x01);  in setbluebalance()
472 		reg12 = 0;  in setgain()
478 	reg_w(gspca_dev, 0xff, 0x03);			/* page 3 */  in setgain()
479 	reg_w(gspca_dev, 0x10, reg10);  in setgain()
480 	reg_w(gspca_dev, 0x12, reg12);  in setgain()
482 	/* load registers to sensor (Bit 0, auto clear) */  in setgain()
483 	reg_w(gspca_dev, 0x11, 0x01);  in setgain()
522 	/* 0 = use full frametime, 448 = no exposure, reverse it */  in setexposure()
525 	reg_w(gspca_dev, 0xff, 0x03);			/* page 3 */  in setexposure()
526 	reg_w(gspca_dev, 0x02, clockdiv);  in setexposure()
527 	reg_w(gspca_dev, 0x0e, exposure & 0xff);  in setexposure()
528 	reg_w(gspca_dev, 0x0f, exposure >> 8);  in setexposure()
530 	/* load registers to sensor (Bit 0, auto clear) */  in setexposure()
531 	reg_w(gspca_dev, 0x11, 0x01);  in setexposure()
546 	reg_w(gspca_dev, 0xff, 0x03);			/* page 3 */  in sethvflip()
547 	data = (hflip ? 0x08 : 0x00) | (vflip ? 0x04 : 0x00);  in sethvflip()
548 	reg_w(gspca_dev, 0x21, data);  in sethvflip()
550 	/* load registers to sensor (Bit 0, auto clear) */  in sethvflip()
551 	reg_w(gspca_dev, 0x11, 0x01);  in sethvflip()
558 	reg_w(gspca_dev, 0xff, 0x00);		/* page 0 */  in setsharpness()
559 	reg_w(gspca_dev, 0xb6, sd->sharpness->val);  in setsharpness()
561 	reg_w(gspca_dev, 0xdc, 0x01);  in setsharpness()
577 	gspca_dev->usb_err = 0;  in sd_s_ctrl()
590 		return 0;  in sd_s_ctrl()
640 					V4L2_CID_BRIGHTNESS, 0, 32, 1, 16);  in sd_init_controls()
642 					V4L2_CID_CONTRAST, 0, 255, 1, 127);  in sd_init_controls()
645 					V4L2_CID_SATURATION, 0, 255, 1, 127);  in sd_init_controls()
648 					0, 255, 1, 55);  in sd_init_controls()
661 					V4L2_CID_AUTOGAIN, 0, 1, 1, 1);  in sd_init_controls()
663 					V4L2_CID_EXPOSURE, 0, 1023, 1,  in sd_init_controls()
666 					V4L2_CID_GAIN, 0, 62, 1,  in sd_init_controls()
670 		V4L2_CID_HFLIP, 0, 1, 1, 0);  in sd_init_controls()
672 		V4L2_CID_VFLIP, 0, 1, 1, 0);  in sd_init_controls()
675 					V4L2_CID_SHARPNESS, 0, 15, 1, 8);  in sd_init_controls()
683 	v4l2_ctrl_auto_cluster(3, &gspca_dev->autogain, 0, false);  in sd_init_controls()
685 	return 0;  in sd_init_controls()
696 	sd->sof_read = 0;  in sd_start()
697 	sd->autogain_ignore_frames = 0;  in sd_start()
701 	reg_w(gspca_dev, 0xff, 0x01);  in sd_start()
702 	reg_w(gspca_dev, 0x78, 0x01);  in sd_start()
711 	reg_w(gspca_dev, 0xff, 0x01);  in sd_stopN()
712 	reg_w(gspca_dev, 0x78, 0x00);  in sd_stopN()
715 /* called on streamoff with alt 0 and on disconnect for pac7302 */
720 	reg_w(gspca_dev, 0xff, 0x01);  in sd_stop0()
721 	reg_w(gspca_dev, 0x78, 0x40);  in sd_stop0()
731 	if (sd->autogain_ignore_frames < 0)  in do_autogain()
734 	if (sd->autogain_ignore_frames > 0) {  in do_autogain()
749 	0xff, 0xd8,	/* SOI: Start of Image */
751 	0xff, 0xc0,	/* SOF0: Start of Frame (Baseline DCT) */
752 	0x00, 0x11,	/* length = 17 bytes (including this length field) */
753 	0x08,		/* Precision: 8 */
754 	0x02, 0x80,	/* height = 640 (image rotated) */
755 	0x01, 0xe0,	/* width = 480 */
756 	0x03,		/* Number of image components: 3 */
757 	0x01, 0x21, 0x00, /* ID=1, Subsampling 1x1, Quantization table: 0 */
758 	0x02, 0x11, 0x01, /* ID=2, Subsampling 2x1, Quantization table: 1 */
759 	0x03, 0x11, 0x01, /* ID=3, Subsampling 2x1, Quantization table: 1 */
761 	0xff, 0xda,	/* SOS: Start Of Scan */
762 	0x00, 0x0c,	/* length = 12 bytes (including this length field) */
763 	0x03,		/* number of components: 3 */
764 	0x01, 0x00,	/* selector 1, table 0x00 */
765 	0x02, 0x11,	/* selector 2, table 0x11 */
766 	0x03, 0x11,	/* selector 3, table 0x11 */
767 	0x00, 0x3f,	/* Spectral selection: 0 .. 63 */
768 	0x00		/* Successive approximation: 0 */
795 		if (n < 0) {  in sd_pkt_scan()
803 		 && image[gspca_dev->image_len - 2] == 0xff  in sd_pkt_scan()
804 		 && image[gspca_dev->image_len - 1] == 0xd9)  in sd_pkt_scan()
805 			gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);  in sd_pkt_scan()
836 	if (reg->match.addr == 0 &&  in sd_dbg_s_register()
837 	    (reg->reg < 0x000000ff) &&  in sd_dbg_s_register()
838 	    (reg->val <= 0x000000ff)  in sd_dbg_s_register()
840 		/* Currently writing to page 0 is only supported. */  in sd_dbg_s_register()
850 		reg_w(gspca_dev, 0xff, 0x00);		/* page 0 */  in sd_dbg_s_register()
853 		reg_w(gspca_dev, 0xdc, 0x01);  in sd_dbg_s_register()
868 		data0 = data[0];  in sd_int_pkt_scan()
870 		if ((data0 == 0x00 && data1 == 0x11) ||  in sd_int_pkt_scan()
871 		    (data0 == 0x22 && data1 == 0x33) ||  in sd_int_pkt_scan()
872 		    (data0 == 0x44 && data1 == 0x55) ||  in sd_int_pkt_scan()
873 		    (data0 == 0x66 && data1 == 0x77) ||  in sd_int_pkt_scan()
874 		    (data0 == 0x88 && data1 == 0x99) ||  in sd_int_pkt_scan()
875 		    (data0 == 0xaa && data1 == 0xbb) ||  in sd_int_pkt_scan()
876 		    (data0 == 0xcc && data1 == 0xdd) ||  in sd_int_pkt_scan()
877 		    (data0 == 0xee && data1 == 0xff)) {  in sd_int_pkt_scan()
880 			input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0);  in sd_int_pkt_scan()
882 			ret = 0;  in sd_int_pkt_scan()
911 	{USB_DEVICE(0x06f8, 0x3009)},
912 	{USB_DEVICE(0x06f8, 0x301b)},
913 	{USB_DEVICE(0x093a, 0x2620)},
914 	{USB_DEVICE(0x093a, 0x2621)},
915 	{USB_DEVICE(0x093a, 0x2622), .driver_info = FL_VFLIP},
916 	{USB_DEVICE(0x093a, 0x2623), .driver_info = FL_VFLIP},
917 	{USB_DEVICE(0x093a, 0x2624), .driver_info = FL_VFLIP},
918 	{USB_DEVICE(0x093a, 0x2625)},
919 	{USB_DEVICE(0x093a, 0x2626)},
920 	{USB_DEVICE(0x093a, 0x2627), .driver_info = FL_VFLIP},
921 	{USB_DEVICE(0x093a, 0x2628)},
922 	{USB_DEVICE(0x093a, 0x2629), .driver_info = FL_VFLIP},
923 	{USB_DEVICE(0x093a, 0x262a)},
924 	{USB_DEVICE(0x093a, 0x262c)},
925 	{USB_DEVICE(0x145f, 0x013c)},
926 	{USB_DEVICE(0x1ae7, 0x2001)}, /* SpeedLink Snappy Mic SL-6825-SBK */