xref: /openbmc/linux/drivers/media/usb/gspca/sq930x.c (revision 9726bfcd)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * SQ930x subdriver
4  *
5  * Copyright (C) 2010 Jean-François Moine <http://moinejf.free.fr>
6  * Copyright (C) 2006 -2008 Gerard Klaver <gerard at gkall dot hobby dot nl>
7  * Copyright (C) 2007 Sam Revitch <samr7@cs.washington.edu>
8  */
9 
10 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
11 
12 #define MODULE_NAME "sq930x"
13 
14 #include "gspca.h"
15 
16 MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>\n"
17 		"Gerard Klaver <gerard at gkall dot hobby dot nl\n"
18 		"Sam Revitch <samr7@cs.washington.edu>");
19 MODULE_DESCRIPTION("GSPCA/SQ930x USB Camera Driver");
20 MODULE_LICENSE("GPL");
21 
22 /* Structure to hold all of our device specific stuff */
23 struct sd {
24 	struct gspca_dev gspca_dev;	/* !! must be the first item */
25 
26 	struct { /* exposure/gain control cluster */
27 		struct v4l2_ctrl *exposure;
28 		struct v4l2_ctrl *gain;
29 	};
30 
31 	u8 do_ctrl;
32 	u8 gpio[2];
33 	u8 sensor;
34 	u8 type;
35 #define Generic 0
36 #define Creative_live_motion 1
37 };
38 enum sensors {
39 	SENSOR_ICX098BQ,
40 	SENSOR_LZ24BP,
41 	SENSOR_MI0360,
42 	SENSOR_MT9V111,		/* = MI360SOC */
43 	SENSOR_OV7660,
44 	SENSOR_OV9630,
45 };
46 
47 static struct v4l2_pix_format vga_mode[] = {
48 	{320, 240, V4L2_PIX_FMT_SRGGB8, V4L2_FIELD_NONE,
49 		.bytesperline = 320,
50 		.sizeimage = 320 * 240,
51 		.colorspace = V4L2_COLORSPACE_SRGB,
52 		.priv = 0},
53 	{640, 480, V4L2_PIX_FMT_SRGGB8, V4L2_FIELD_NONE,
54 		.bytesperline = 640,
55 		.sizeimage = 640 * 480,
56 		.colorspace = V4L2_COLORSPACE_SRGB,
57 		.priv = 1},
58 };
59 
60 /* sq930x registers */
61 #define SQ930_CTRL_UCBUS_IO	0x0001
62 #define SQ930_CTRL_I2C_IO	0x0002
63 #define SQ930_CTRL_GPIO		0x0005
64 #define SQ930_CTRL_CAP_START	0x0010
65 #define SQ930_CTRL_CAP_STOP	0x0011
66 #define SQ930_CTRL_SET_EXPOSURE 0x001d
67 #define SQ930_CTRL_RESET	0x001e
68 #define SQ930_CTRL_GET_DEV_INFO 0x001f
69 
70 /* gpio 1 (8..15) */
71 #define SQ930_GPIO_DFL_I2C_SDA	0x0001
72 #define SQ930_GPIO_DFL_I2C_SCL	0x0002
73 #define SQ930_GPIO_RSTBAR	0x0004
74 #define SQ930_GPIO_EXTRA1	0x0040
75 #define SQ930_GPIO_EXTRA2	0x0080
76 /* gpio 3 (24..31) */
77 #define SQ930_GPIO_POWER	0x0200
78 #define SQ930_GPIO_DFL_LED	0x1000
79 
80 struct ucbus_write_cmd {
81 	u16	bw_addr;
82 	u8	bw_data;
83 };
84 struct i2c_write_cmd {
85 	u8	reg;
86 	u16	val;
87 };
88 
89 static const struct ucbus_write_cmd icx098bq_start_0[] = {
90 	{0x0354, 0x00}, {0x03fa, 0x00}, {0xf800, 0x02}, {0xf801, 0xce},
91 	{0xf802, 0xc1}, {0xf804, 0x00}, {0xf808, 0x00}, {0xf809, 0x0e},
92 	{0xf80a, 0x01}, {0xf80b, 0xee}, {0xf807, 0x60}, {0xf80c, 0x02},
93 	{0xf80d, 0xf0}, {0xf80e, 0x03}, {0xf80f, 0x0a}, {0xf81c, 0x02},
94 	{0xf81d, 0xf0}, {0xf81e, 0x03}, {0xf81f, 0x0a}, {0xf83a, 0x00},
95 	{0xf83b, 0x10}, {0xf83c, 0x00}, {0xf83d, 0x4e}, {0xf810, 0x04},
96 	{0xf811, 0x00}, {0xf812, 0x02}, {0xf813, 0x10}, {0xf803, 0x00},
97 	{0xf814, 0x01}, {0xf815, 0x18}, {0xf816, 0x00}, {0xf817, 0x48},
98 	{0xf818, 0x00}, {0xf819, 0x25}, {0xf81a, 0x00}, {0xf81b, 0x3c},
99 	{0xf82f, 0x03}, {0xf820, 0xff}, {0xf821, 0x0d}, {0xf822, 0xff},
100 	{0xf823, 0x07}, {0xf824, 0xff}, {0xf825, 0x03}, {0xf826, 0xff},
101 	{0xf827, 0x06}, {0xf828, 0xff}, {0xf829, 0x03}, {0xf82a, 0xff},
102 	{0xf82b, 0x0c}, {0xf82c, 0xfd}, {0xf82d, 0x01}, {0xf82e, 0x00},
103 	{0xf830, 0x00}, {0xf831, 0x47}, {0xf832, 0x00}, {0xf833, 0x00},
104 	{0xf850, 0x00}, {0xf851, 0x00}, {0xf852, 0x00}, {0xf853, 0x24},
105 	{0xf854, 0x00}, {0xf855, 0x18}, {0xf856, 0x00}, {0xf857, 0x3c},
106 	{0xf858, 0x00}, {0xf859, 0x0c}, {0xf85a, 0x00}, {0xf85b, 0x30},
107 	{0xf85c, 0x00}, {0xf85d, 0x0c}, {0xf85e, 0x00}, {0xf85f, 0x30},
108 	{0xf860, 0x00}, {0xf861, 0x48}, {0xf862, 0x01}, {0xf863, 0xdc},
109 	{0xf864, 0xff}, {0xf865, 0x98}, {0xf866, 0xff}, {0xf867, 0xc0},
110 	{0xf868, 0xff}, {0xf869, 0x70}, {0xf86c, 0xff}, {0xf86d, 0x00},
111 	{0xf86a, 0xff}, {0xf86b, 0x48}, {0xf86e, 0xff}, {0xf86f, 0x00},
112 	{0xf870, 0x01}, {0xf871, 0xdb}, {0xf872, 0x01}, {0xf873, 0xfa},
113 	{0xf874, 0x01}, {0xf875, 0xdb}, {0xf876, 0x01}, {0xf877, 0xfa},
114 	{0xf878, 0x0f}, {0xf879, 0x0f}, {0xf87a, 0xff}, {0xf87b, 0xff},
115 	{0xf800, 0x03}
116 };
117 static const struct ucbus_write_cmd icx098bq_start_1[] = {
118 	{0xf5f0, 0x00}, {0xf5f1, 0xcd}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
119 	{0xf5f4, 0xc0},
120 	{0xf5f0, 0x49}, {0xf5f1, 0xcd}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
121 	{0xf5f4, 0xc0},
122 	{0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
123 	{0xf5f9, 0x00}
124 };
125 
126 static const struct ucbus_write_cmd icx098bq_start_2[] = {
127 	{0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x82}, {0xf806, 0x00},
128 	{0xf807, 0x7f}, {0xf800, 0x03},
129 	{0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x40}, {0xf806, 0x00},
130 	{0xf807, 0x7f}, {0xf800, 0x03},
131 	{0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0xcf}, {0xf806, 0xd0},
132 	{0xf807, 0x7f}, {0xf800, 0x03},
133 	{0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x00}, {0xf806, 0x00},
134 	{0xf807, 0x7f}, {0xf800, 0x03}
135 };
136 
137 static const struct ucbus_write_cmd lz24bp_start_0[] = {
138 	{0x0354, 0x00}, {0x03fa, 0x00}, {0xf800, 0x02}, {0xf801, 0xbe},
139 	{0xf802, 0xc6}, {0xf804, 0x00}, {0xf808, 0x00}, {0xf809, 0x06},
140 	{0xf80a, 0x01}, {0xf80b, 0xfe}, {0xf807, 0x84}, {0xf80c, 0x02},
141 	{0xf80d, 0xf7}, {0xf80e, 0x03}, {0xf80f, 0x0b}, {0xf81c, 0x00},
142 	{0xf81d, 0x49}, {0xf81e, 0x03}, {0xf81f, 0x0b}, {0xf83a, 0x00},
143 	{0xf83b, 0x01}, {0xf83c, 0x00}, {0xf83d, 0x6b}, {0xf810, 0x03},
144 	{0xf811, 0x10}, {0xf812, 0x02}, {0xf813, 0x6f}, {0xf803, 0x00},
145 	{0xf814, 0x00}, {0xf815, 0x44}, {0xf816, 0x00}, {0xf817, 0x48},
146 	{0xf818, 0x00}, {0xf819, 0x25}, {0xf81a, 0x00}, {0xf81b, 0x3c},
147 	{0xf82f, 0x03}, {0xf820, 0xff}, {0xf821, 0x0d}, {0xf822, 0xff},
148 	{0xf823, 0x07}, {0xf824, 0xfd}, {0xf825, 0x07}, {0xf826, 0xf0},
149 	{0xf827, 0x0c}, {0xf828, 0xff}, {0xf829, 0x03}, {0xf82a, 0xff},
150 	{0xf82b, 0x0c}, {0xf82c, 0xfc}, {0xf82d, 0x01}, {0xf82e, 0x00},
151 	{0xf830, 0x00}, {0xf831, 0x47}, {0xf832, 0x00}, {0xf833, 0x00},
152 	{0xf850, 0x00}, {0xf851, 0x00}, {0xf852, 0x00}, {0xf853, 0x24},
153 	{0xf854, 0x00}, {0xf855, 0x0c}, {0xf856, 0x00}, {0xf857, 0x30},
154 	{0xf858, 0x00}, {0xf859, 0x18}, {0xf85a, 0x00}, {0xf85b, 0x3c},
155 	{0xf85c, 0x00}, {0xf85d, 0x18}, {0xf85e, 0x00}, {0xf85f, 0x3c},
156 	{0xf860, 0xff}, {0xf861, 0x37}, {0xf862, 0xff}, {0xf863, 0x1d},
157 	{0xf864, 0xff}, {0xf865, 0x98}, {0xf866, 0xff}, {0xf867, 0xc0},
158 	{0xf868, 0x00}, {0xf869, 0x37}, {0xf86c, 0x02}, {0xf86d, 0x1d},
159 	{0xf86a, 0x00}, {0xf86b, 0x37}, {0xf86e, 0x02}, {0xf86f, 0x1d},
160 	{0xf870, 0x01}, {0xf871, 0xc6}, {0xf872, 0x02}, {0xf873, 0x04},
161 	{0xf874, 0x01}, {0xf875, 0xc6}, {0xf876, 0x02}, {0xf877, 0x04},
162 	{0xf878, 0x0f}, {0xf879, 0x0f}, {0xf87a, 0xff}, {0xf87b, 0xff},
163 	{0xf800, 0x03}
164 };
165 static const struct ucbus_write_cmd lz24bp_start_1_gen[] = {
166 	{0xf5f0, 0x00}, {0xf5f1, 0xff}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
167 	{0xf5f4, 0xb3},
168 	{0xf5f0, 0x40}, {0xf5f1, 0xff}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
169 	{0xf5f4, 0xb3},
170 	{0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
171 	{0xf5f9, 0x00}
172 };
173 
174 static const struct ucbus_write_cmd lz24bp_start_1_clm[] = {
175 	{0xf5f0, 0x00}, {0xf5f1, 0xff}, {0xf5f2, 0x88}, {0xf5f3, 0x88},
176 	{0xf5f4, 0xc0},
177 	{0xf5f0, 0x40}, {0xf5f1, 0xff}, {0xf5f2, 0x88}, {0xf5f3, 0x88},
178 	{0xf5f4, 0xc0},
179 	{0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
180 	{0xf5f9, 0x00}
181 };
182 
183 static const struct ucbus_write_cmd lz24bp_start_2[] = {
184 	{0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x80}, {0xf806, 0x00},
185 	{0xf807, 0x7f}, {0xf800, 0x03},
186 	{0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x4e}, {0xf806, 0x00},
187 	{0xf807, 0x7f}, {0xf800, 0x03},
188 	{0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0xc0}, {0xf806, 0x48},
189 	{0xf807, 0x7f}, {0xf800, 0x03},
190 	{0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x00}, {0xf806, 0x00},
191 	{0xf807, 0x7f}, {0xf800, 0x03}
192 };
193 
194 static const struct ucbus_write_cmd mi0360_start_0[] = {
195 	{0x0354, 0x00}, {0x03fa, 0x00}, {0xf332, 0xcc}, {0xf333, 0xcc},
196 	{0xf334, 0xcc}, {0xf335, 0xcc}, {0xf33f, 0x00}
197 };
198 static const struct i2c_write_cmd mi0360_init_23[] = {
199 	{0x30, 0x0040},		/* reserved - def 0x0005 */
200 	{0x31, 0x0000},		/* reserved - def 0x002a */
201 	{0x34, 0x0100},		/* reserved - def 0x0100 */
202 	{0x3d, 0x068f},		/* reserved - def 0x068f */
203 };
204 static const struct i2c_write_cmd mi0360_init_24[] = {
205 	{0x03, 0x01e5},		/* window height */
206 	{0x04, 0x0285},		/* window width */
207 };
208 static const struct i2c_write_cmd mi0360_init_25[] = {
209 	{0x35, 0x0020},		/* global gain */
210 	{0x2b, 0x0020},		/* green1 gain */
211 	{0x2c, 0x002a},		/* blue gain */
212 	{0x2d, 0x0028},		/* red gain */
213 	{0x2e, 0x0020},		/* green2 gain */
214 };
215 static const struct ucbus_write_cmd mi0360_start_1[] = {
216 	{0xf5f0, 0x11}, {0xf5f1, 0x99}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
217 	{0xf5f4, 0xa6},
218 	{0xf5f0, 0x51}, {0xf5f1, 0x99}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
219 	{0xf5f4, 0xa6},
220 	{0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
221 	{0xf5f9, 0x00}
222 };
223 static const struct i2c_write_cmd mi0360_start_2[] = {
224 	{0x62, 0x041d},		/* reserved - def 0x0418 */
225 };
226 static const struct i2c_write_cmd mi0360_start_3[] = {
227 	{0x05, 0x007b},		/* horiz blanking */
228 };
229 static const struct i2c_write_cmd mi0360_start_4[] = {
230 	{0x05, 0x03f5},		/* horiz blanking */
231 };
232 
233 static const struct i2c_write_cmd mt9v111_init_0[] = {
234 	{0x01, 0x0001},		/* select IFP/SOC registers */
235 	{0x06, 0x300c},		/* operating mode control */
236 	{0x08, 0xcc00},		/* output format control (RGB) */
237 	{0x01, 0x0004},		/* select sensor core registers */
238 };
239 static const struct i2c_write_cmd mt9v111_init_1[] = {
240 	{0x03, 0x01e5},		/* window height */
241 	{0x04, 0x0285},		/* window width */
242 };
243 static const struct i2c_write_cmd mt9v111_init_2[] = {
244 	{0x30, 0x7800},
245 	{0x31, 0x0000},
246 	{0x07, 0x3002},		/* output control */
247 	{0x35, 0x0020},		/* global gain */
248 	{0x2b, 0x0020},		/* green1 gain */
249 	{0x2c, 0x0020},		/* blue gain */
250 	{0x2d, 0x0020},		/* red gain */
251 	{0x2e, 0x0020},		/* green2 gain */
252 };
253 static const struct ucbus_write_cmd mt9v111_start_1[] = {
254 	{0xf5f0, 0x11}, {0xf5f1, 0x96}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
255 	{0xf5f4, 0xaa},
256 	{0xf5f0, 0x51}, {0xf5f1, 0x96}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
257 	{0xf5f4, 0xaa},
258 	{0xf5fa, 0x00}, {0xf5f6, 0x0a}, {0xf5f7, 0x0a}, {0xf5f8, 0x0a},
259 	{0xf5f9, 0x0a}
260 };
261 static const struct i2c_write_cmd mt9v111_init_3[] = {
262 	{0x62, 0x0405},
263 };
264 static const struct i2c_write_cmd mt9v111_init_4[] = {
265 /*	{0x05, 0x00ce}, */
266 	{0x05, 0x005d},		/* horizontal blanking */
267 };
268 
269 static const struct ucbus_write_cmd ov7660_start_0[] = {
270 	{0x0354, 0x00}, {0x03fa, 0x00}, {0xf332, 0x00}, {0xf333, 0xc0},
271 	{0xf334, 0x39}, {0xf335, 0xe7}, {0xf33f, 0x03}
272 };
273 
274 static const struct ucbus_write_cmd ov9630_start_0[] = {
275 	{0x0354, 0x00}, {0x03fa, 0x00}, {0xf332, 0x00}, {0xf333, 0x00},
276 	{0xf334, 0x3e}, {0xf335, 0xf8}, {0xf33f, 0x03}
277 };
278 
279 /* start parameters indexed by [sensor][mode] */
280 static const struct cap_s {
281 	u8	cc_sizeid;
282 	u8	cc_bytes[32];
283 } capconfig[4][2] = {
284 	[SENSOR_ICX098BQ] = {
285 		{2,				/* Bayer 320x240 */
286 		  {0x05, 0x1f, 0x20, 0x0e, 0x00, 0x9f, 0x02, 0xee,
287 		   0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
288 		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
289 		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
290 		{4,				/* Bayer 640x480 */
291 		  {0x01, 0x1f, 0x20, 0x0e, 0x00, 0x9f, 0x02, 0xee,
292 		   0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
293 		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
294 		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
295 	},
296 	[SENSOR_LZ24BP] = {
297 		{2,				/* Bayer 320x240 */
298 		  {0x05, 0x22, 0x20, 0x0e, 0x00, 0xa2, 0x02, 0xee,
299 		   0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
300 		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
301 		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
302 		{4,				/* Bayer 640x480 */
303 		  {0x01, 0x22, 0x20, 0x0e, 0x00, 0xa2, 0x02, 0xee,
304 		   0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
305 		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
306 		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
307 	},
308 	[SENSOR_MI0360] = {
309 		{2,				/* Bayer 320x240 */
310 		  {0x05, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
311 		   0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
312 		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
313 		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
314 		{4,				/* Bayer 640x480 */
315 		  {0x01, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
316 		   0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
317 		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
318 		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
319 	},
320 	[SENSOR_MT9V111] = {
321 		{2,				/* Bayer 320x240 */
322 		  {0x05, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
323 		   0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
324 		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
325 		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
326 		{4,				/* Bayer 640x480 */
327 		  {0x01, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
328 		   0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
329 		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
330 		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
331 	},
332 };
333 
334 struct sensor_s {
335 	const char *name;
336 	u8 i2c_addr;
337 	u8 i2c_dum;
338 	u8 gpio[5];
339 	u8 cmd_len;
340 	const struct ucbus_write_cmd *cmd;
341 };
342 
343 static const struct sensor_s sensor_tb[] = {
344 	[SENSOR_ICX098BQ] = {
345 		"icx098bp",
346 		0x00, 0x00,
347 		{0,
348 		 SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
349 		 SQ930_GPIO_DFL_I2C_SDA,
350 		 0,
351 		 SQ930_GPIO_RSTBAR
352 		},
353 		8, icx098bq_start_0
354 	    },
355 	[SENSOR_LZ24BP] = {
356 		"lz24bp",
357 		0x00, 0x00,
358 		{0,
359 		 SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
360 		 SQ930_GPIO_DFL_I2C_SDA,
361 		 0,
362 		 SQ930_GPIO_RSTBAR
363 		},
364 		8, lz24bp_start_0
365 	    },
366 	[SENSOR_MI0360] = {
367 		"mi0360",
368 		0x5d, 0x80,
369 		{SQ930_GPIO_RSTBAR,
370 		 SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
371 		 SQ930_GPIO_DFL_I2C_SDA,
372 		 0,
373 		 0
374 		},
375 		7, mi0360_start_0
376 	    },
377 	[SENSOR_MT9V111] = {
378 		"mt9v111",
379 		0x5c, 0x7f,
380 		{SQ930_GPIO_RSTBAR,
381 		 SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
382 		 SQ930_GPIO_DFL_I2C_SDA,
383 		 0,
384 		 0
385 		},
386 		7, mi0360_start_0
387 	    },
388 	[SENSOR_OV7660] = {
389 		"ov7660",
390 		0x21, 0x00,
391 		{0,
392 		 SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
393 		 SQ930_GPIO_DFL_I2C_SDA,
394 		 0,
395 		 SQ930_GPIO_RSTBAR
396 		},
397 		7, ov7660_start_0
398 	    },
399 	[SENSOR_OV9630] = {
400 		"ov9630",
401 		0x30, 0x00,
402 		{0,
403 		 SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
404 		 SQ930_GPIO_DFL_I2C_SDA,
405 		 0,
406 		 SQ930_GPIO_RSTBAR
407 		},
408 		7, ov9630_start_0
409 	    },
410 };
411 
412 static void reg_r(struct gspca_dev *gspca_dev,
413 		u16 value, int len)
414 {
415 	int ret;
416 
417 	if (gspca_dev->usb_err < 0)
418 		return;
419 	ret = usb_control_msg(gspca_dev->dev,
420 			usb_rcvctrlpipe(gspca_dev->dev, 0),
421 			0x0c,
422 			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
423 			value, 0, gspca_dev->usb_buf, len,
424 			500);
425 	if (ret < 0) {
426 		pr_err("reg_r %04x failed %d\n", value, ret);
427 		gspca_dev->usb_err = ret;
428 	}
429 }
430 
431 static void reg_w(struct gspca_dev *gspca_dev, u16 value, u16 index)
432 {
433 	int ret;
434 
435 	if (gspca_dev->usb_err < 0)
436 		return;
437 	gspca_dbg(gspca_dev, D_USBO, "reg_w v: %04x i: %04x\n", value, index);
438 	ret = usb_control_msg(gspca_dev->dev,
439 			usb_sndctrlpipe(gspca_dev->dev, 0),
440 			0x0c,			/* request */
441 			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
442 			value, index, NULL, 0,
443 			500);
444 	msleep(30);
445 	if (ret < 0) {
446 		pr_err("reg_w %04x %04x failed %d\n", value, index, ret);
447 		gspca_dev->usb_err = ret;
448 	}
449 }
450 
451 static void reg_wb(struct gspca_dev *gspca_dev, u16 value, u16 index,
452 		const u8 *data, int len)
453 {
454 	int ret;
455 
456 	if (gspca_dev->usb_err < 0)
457 		return;
458 	gspca_dbg(gspca_dev, D_USBO, "reg_wb v: %04x i: %04x %02x...%02x\n",
459 		  value, index, *data, data[len - 1]);
460 	memcpy(gspca_dev->usb_buf, data, len);
461 	ret = usb_control_msg(gspca_dev->dev,
462 			usb_sndctrlpipe(gspca_dev->dev, 0),
463 			0x0c,			/* request */
464 			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
465 			value, index, gspca_dev->usb_buf, len,
466 			1000);
467 	msleep(30);
468 	if (ret < 0) {
469 		pr_err("reg_wb %04x %04x failed %d\n", value, index, ret);
470 		gspca_dev->usb_err = ret;
471 	}
472 }
473 
474 static void i2c_write(struct sd *sd,
475 			const struct i2c_write_cmd *cmd,
476 			int ncmds)
477 {
478 	struct gspca_dev *gspca_dev = &sd->gspca_dev;
479 	const struct sensor_s *sensor;
480 	u16 val, idx;
481 	u8 *buf;
482 	int ret;
483 
484 	if (gspca_dev->usb_err < 0)
485 		return;
486 
487 	sensor = &sensor_tb[sd->sensor];
488 
489 	val = (sensor->i2c_addr << 8) | SQ930_CTRL_I2C_IO;
490 	idx = (cmd->val & 0xff00) | cmd->reg;
491 
492 	buf = gspca_dev->usb_buf;
493 	*buf++ = sensor->i2c_dum;
494 	*buf++ = cmd->val;
495 
496 	while (--ncmds > 0) {
497 		cmd++;
498 		*buf++ = cmd->reg;
499 		*buf++ = cmd->val >> 8;
500 		*buf++ = sensor->i2c_dum;
501 		*buf++ = cmd->val;
502 	}
503 
504 	gspca_dbg(gspca_dev, D_USBO, "i2c_w v: %04x i: %04x %02x...%02x\n",
505 		  val, idx, gspca_dev->usb_buf[0], buf[-1]);
506 	ret = usb_control_msg(gspca_dev->dev,
507 			usb_sndctrlpipe(gspca_dev->dev, 0),
508 			0x0c,			/* request */
509 			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
510 			val, idx,
511 			gspca_dev->usb_buf, buf - gspca_dev->usb_buf,
512 			500);
513 	if (ret < 0) {
514 		pr_err("i2c_write failed %d\n", ret);
515 		gspca_dev->usb_err = ret;
516 	}
517 }
518 
519 static void ucbus_write(struct gspca_dev *gspca_dev,
520 			const struct ucbus_write_cmd *cmd,
521 			int ncmds,
522 			int batchsize)
523 {
524 	u8 *buf;
525 	u16 val, idx;
526 	int len, ret;
527 
528 	if (gspca_dev->usb_err < 0)
529 		return;
530 
531 	if ((batchsize - 1) * 3 > USB_BUF_SZ) {
532 		gspca_err(gspca_dev, "Bug: usb_buf overflow\n");
533 		gspca_dev->usb_err = -ENOMEM;
534 		return;
535 	}
536 
537 	for (;;) {
538 		len = ncmds;
539 		if (len > batchsize)
540 			len = batchsize;
541 		ncmds -= len;
542 
543 		val = (cmd->bw_addr << 8) | SQ930_CTRL_UCBUS_IO;
544 		idx = (cmd->bw_data << 8) | (cmd->bw_addr >> 8);
545 
546 		buf = gspca_dev->usb_buf;
547 		while (--len > 0) {
548 			cmd++;
549 			*buf++ = cmd->bw_addr;
550 			*buf++ = cmd->bw_addr >> 8;
551 			*buf++ = cmd->bw_data;
552 		}
553 		if (buf != gspca_dev->usb_buf)
554 			gspca_dbg(gspca_dev, D_USBO, "ucbus v: %04x i: %04x %02x...%02x\n",
555 				  val, idx,
556 				  gspca_dev->usb_buf[0], buf[-1]);
557 		else
558 			gspca_dbg(gspca_dev, D_USBO, "ucbus v: %04x i: %04x\n",
559 				  val, idx);
560 		ret = usb_control_msg(gspca_dev->dev,
561 				usb_sndctrlpipe(gspca_dev->dev, 0),
562 				0x0c,			/* request */
563 			   USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
564 				val, idx,
565 				gspca_dev->usb_buf, buf - gspca_dev->usb_buf,
566 				500);
567 		if (ret < 0) {
568 			pr_err("ucbus_write failed %d\n", ret);
569 			gspca_dev->usb_err = ret;
570 			return;
571 		}
572 		msleep(30);
573 		if (ncmds <= 0)
574 			break;
575 		cmd++;
576 	}
577 }
578 
579 static void gpio_set(struct sd *sd, u16 val, u16 mask)
580 {
581 	struct gspca_dev *gspca_dev = &sd->gspca_dev;
582 
583 	if (mask & 0x00ff) {
584 		sd->gpio[0] &= ~mask;
585 		sd->gpio[0] |= val;
586 		reg_w(gspca_dev, 0x0100 | SQ930_CTRL_GPIO,
587 			~sd->gpio[0] << 8);
588 	}
589 	mask >>= 8;
590 	val >>= 8;
591 	if (mask) {
592 		sd->gpio[1] &= ~mask;
593 		sd->gpio[1] |= val;
594 		reg_w(gspca_dev, 0x0300 | SQ930_CTRL_GPIO,
595 			~sd->gpio[1] << 8);
596 	}
597 }
598 
599 static void gpio_init(struct sd *sd,
600 			const u8 *gpio)
601 {
602 	gpio_set(sd, *gpio++, 0x000f);
603 	gpio_set(sd, *gpio++, 0x000f);
604 	gpio_set(sd, *gpio++, 0x000f);
605 	gpio_set(sd, *gpio++, 0x000f);
606 	gpio_set(sd, *gpio, 0x000f);
607 }
608 
609 static void bridge_init(struct sd *sd)
610 {
611 	static const struct ucbus_write_cmd clkfreq_cmd = {
612 				0xf031, 0	/* SQ930_CLKFREQ_60MHZ */
613 	};
614 
615 	ucbus_write(&sd->gspca_dev, &clkfreq_cmd, 1, 1);
616 
617 	gpio_set(sd, SQ930_GPIO_POWER, 0xff00);
618 }
619 
620 static void cmos_probe(struct gspca_dev *gspca_dev)
621 {
622 	struct sd *sd = (struct sd *) gspca_dev;
623 	int i;
624 	const struct sensor_s *sensor;
625 	static const u8 probe_order[] = {
626 /*		SENSOR_LZ24BP,		(tested as ccd) */
627 		SENSOR_OV9630,
628 		SENSOR_MI0360,
629 		SENSOR_OV7660,
630 		SENSOR_MT9V111,
631 	};
632 
633 	for (i = 0; i < ARRAY_SIZE(probe_order); i++) {
634 		sensor = &sensor_tb[probe_order[i]];
635 		ucbus_write(&sd->gspca_dev, sensor->cmd, sensor->cmd_len, 8);
636 		gpio_init(sd, sensor->gpio);
637 		msleep(100);
638 		reg_r(gspca_dev, (sensor->i2c_addr << 8) | 0x001c, 1);
639 		msleep(100);
640 		if (gspca_dev->usb_buf[0] != 0)
641 			break;
642 	}
643 	if (i >= ARRAY_SIZE(probe_order)) {
644 		pr_err("Unknown sensor\n");
645 		gspca_dev->usb_err = -EINVAL;
646 		return;
647 	}
648 	sd->sensor = probe_order[i];
649 	switch (sd->sensor) {
650 	case SENSOR_OV7660:
651 	case SENSOR_OV9630:
652 		pr_err("Sensor %s not yet treated\n",
653 		       sensor_tb[sd->sensor].name);
654 		gspca_dev->usb_err = -EINVAL;
655 		break;
656 	}
657 }
658 
659 static void mt9v111_init(struct gspca_dev *gspca_dev)
660 {
661 	int i, nwait;
662 	static const u8 cmd_001b[] = {
663 		0x00, 0x3b, 0xf6, 0x01, 0x03, 0x02, 0x00, 0x00,
664 		0x00, 0x00, 0x00
665 	};
666 	static const u8 cmd_011b[][7] = {
667 		{0x10, 0x01, 0x66, 0x08, 0x00, 0x00, 0x00},
668 		{0x01, 0x00, 0x1a, 0x04, 0x00, 0x00, 0x00},
669 		{0x20, 0x00, 0x10, 0x04, 0x00, 0x00, 0x00},
670 		{0x02, 0x01, 0xae, 0x01, 0x00, 0x00, 0x00},
671 	};
672 
673 	reg_wb(gspca_dev, 0x001b, 0x0000, cmd_001b, sizeof cmd_001b);
674 	for (i = 0; i < ARRAY_SIZE(cmd_011b); i++) {
675 		reg_wb(gspca_dev, 0x001b, 0x0000, cmd_011b[i],
676 				ARRAY_SIZE(cmd_011b[0]));
677 		msleep(400);
678 		nwait = 20;
679 		for (;;) {
680 			reg_r(gspca_dev, 0x031b, 1);
681 			if (gspca_dev->usb_buf[0] == 0
682 			 || gspca_dev->usb_err != 0)
683 				break;
684 			if (--nwait < 0) {
685 				gspca_dbg(gspca_dev, D_PROBE, "mt9v111_init timeout\n");
686 				gspca_dev->usb_err = -ETIME;
687 				return;
688 			}
689 			msleep(50);
690 		}
691 	}
692 }
693 
694 static void global_init(struct sd *sd, int first_time)
695 {
696 	switch (sd->sensor) {
697 	case SENSOR_ICX098BQ:
698 		if (first_time)
699 			ucbus_write(&sd->gspca_dev,
700 					icx098bq_start_0,
701 					8, 8);
702 		gpio_init(sd, sensor_tb[sd->sensor].gpio);
703 		break;
704 	case SENSOR_LZ24BP:
705 		if (sd->type != Creative_live_motion)
706 			gpio_set(sd, SQ930_GPIO_EXTRA1, 0x00ff);
707 		else
708 			gpio_set(sd, 0, 0x00ff);
709 		msleep(50);
710 		if (first_time)
711 			ucbus_write(&sd->gspca_dev,
712 					lz24bp_start_0,
713 					8, 8);
714 		gpio_init(sd, sensor_tb[sd->sensor].gpio);
715 		break;
716 	case SENSOR_MI0360:
717 		if (first_time)
718 			ucbus_write(&sd->gspca_dev,
719 					mi0360_start_0,
720 					ARRAY_SIZE(mi0360_start_0),
721 					8);
722 		gpio_init(sd, sensor_tb[sd->sensor].gpio);
723 		gpio_set(sd, SQ930_GPIO_EXTRA2, SQ930_GPIO_EXTRA2);
724 		break;
725 	default:
726 /*	case SENSOR_MT9V111: */
727 		if (first_time)
728 			mt9v111_init(&sd->gspca_dev);
729 		else
730 			gpio_init(sd, sensor_tb[sd->sensor].gpio);
731 		break;
732 	}
733 }
734 
735 static void lz24bp_ppl(struct sd *sd, u16 ppl)
736 {
737 	struct ucbus_write_cmd cmds[2] = {
738 		{0xf810, ppl >> 8},
739 		{0xf811, ppl}
740 	};
741 
742 	ucbus_write(&sd->gspca_dev, cmds, ARRAY_SIZE(cmds), 2);
743 }
744 
745 static void setexposure(struct gspca_dev *gspca_dev, s32 expo, s32 gain)
746 {
747 	struct sd *sd = (struct sd *) gspca_dev;
748 	int i, integclks, intstartclk, frameclks, min_frclk;
749 	const struct sensor_s *sensor;
750 	u16 cmd;
751 	u8 buf[15];
752 
753 	integclks = expo;
754 	i = 0;
755 	cmd = SQ930_CTRL_SET_EXPOSURE;
756 
757 	switch (sd->sensor) {
758 	case SENSOR_ICX098BQ:			/* ccd */
759 	case SENSOR_LZ24BP:
760 		min_frclk = sd->sensor == SENSOR_ICX098BQ ? 0x210 : 0x26f;
761 		if (integclks >= min_frclk) {
762 			intstartclk = 0;
763 			frameclks = integclks;
764 		} else {
765 			intstartclk = min_frclk - integclks;
766 			frameclks = min_frclk;
767 		}
768 		buf[i++] = intstartclk >> 8;
769 		buf[i++] = intstartclk;
770 		buf[i++] = frameclks >> 8;
771 		buf[i++] = frameclks;
772 		buf[i++] = gain;
773 		break;
774 	default:				/* cmos */
775 /*	case SENSOR_MI0360: */
776 /*	case SENSOR_MT9V111: */
777 		cmd |= 0x0100;
778 		sensor = &sensor_tb[sd->sensor];
779 		buf[i++] = sensor->i2c_addr;	/* i2c_slave_addr */
780 		buf[i++] = 0x08;	/* 2 * ni2c */
781 		buf[i++] = 0x09;	/* reg = shutter width */
782 		buf[i++] = integclks >> 8; /* val H */
783 		buf[i++] = sensor->i2c_dum;
784 		buf[i++] = integclks;	/* val L */
785 		buf[i++] = 0x35;	/* reg = global gain */
786 		buf[i++] = 0x00;	/* val H */
787 		buf[i++] = sensor->i2c_dum;
788 		buf[i++] = 0x80 + gain / 2; /* val L */
789 		buf[i++] = 0x00;
790 		buf[i++] = 0x00;
791 		buf[i++] = 0x00;
792 		buf[i++] = 0x00;
793 		buf[i++] = 0x83;
794 		break;
795 	}
796 	reg_wb(gspca_dev, cmd, 0, buf, i);
797 }
798 
799 /* This function is called at probe time just before sd_init */
800 static int sd_config(struct gspca_dev *gspca_dev,
801 		const struct usb_device_id *id)
802 {
803 	struct sd *sd = (struct sd *) gspca_dev;
804 	struct cam *cam = &gspca_dev->cam;
805 
806 	sd->sensor = id->driver_info >> 8;
807 	sd->type = id->driver_info;
808 
809 	cam->cam_mode = vga_mode;
810 	cam->nmodes = ARRAY_SIZE(vga_mode);
811 
812 	cam->bulk = 1;
813 
814 	return 0;
815 }
816 
817 /* this function is called at probe and resume time */
818 static int sd_init(struct gspca_dev *gspca_dev)
819 {
820 	struct sd *sd = (struct sd *) gspca_dev;
821 
822 	sd->gpio[0] = sd->gpio[1] = 0xff;	/* force gpio rewrite */
823 
824 /*fixme: is this needed for icx098bp and mi0360?
825 	if (sd->sensor != SENSOR_LZ24BP)
826 		reg_w(gspca_dev, SQ930_CTRL_RESET, 0x0000);
827  */
828 
829 	reg_r(gspca_dev, SQ930_CTRL_GET_DEV_INFO, 8);
830 	if (gspca_dev->usb_err < 0)
831 		return gspca_dev->usb_err;
832 
833 /* it returns:
834  * 03 00 12 93 0b f6 c9 00	live! ultra
835  * 03 00 07 93 0b f6 ca 00	live! ultra for notebook
836  * 03 00 12 93 0b fe c8 00	Trust WB-3500T
837  * 02 00 06 93 0b fe c8 00	Joy-IT 318S
838  * 03 00 12 93 0b f6 cf 00	icam tracer - sensor icx098bq
839  * 02 00 12 93 0b fe cf 00	ProQ Motion Webcam
840  *
841  * byte
842  * 0: 02 = usb 1.0 (12Mbit) / 03 = usb2.0 (480Mbit)
843  * 1: 00
844  * 2: 06 / 07 / 12 = mode webcam? firmware??
845  * 3: 93 chip = 930b (930b or 930c)
846  * 4: 0b
847  * 5: f6 = cdd (icx098bq, lz24bp) / fe or de = cmos (i2c) (other sensors)
848  * 6: c8 / c9 / ca / cf = mode webcam?, sensor? webcam?
849  * 7: 00
850  */
851 	gspca_dbg(gspca_dev, D_PROBE, "info: %*ph\n", 8, gspca_dev->usb_buf);
852 
853 	bridge_init(sd);
854 
855 	if (sd->sensor == SENSOR_MI0360) {
856 
857 		/* no sensor probe for icam tracer */
858 		if (gspca_dev->usb_buf[5] == 0xf6)	/* if ccd */
859 			sd->sensor = SENSOR_ICX098BQ;
860 		else
861 			cmos_probe(gspca_dev);
862 	}
863 	if (gspca_dev->usb_err >= 0) {
864 		gspca_dbg(gspca_dev, D_PROBE, "Sensor %s\n",
865 			  sensor_tb[sd->sensor].name);
866 		global_init(sd, 1);
867 	}
868 	return gspca_dev->usb_err;
869 }
870 
871 /* send the start/stop commands to the webcam */
872 static void send_start(struct gspca_dev *gspca_dev)
873 {
874 	struct sd *sd = (struct sd *) gspca_dev;
875 	const struct cap_s *cap;
876 	int mode;
877 
878 	mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
879 	cap = &capconfig[sd->sensor][mode];
880 	reg_wb(gspca_dev, 0x0900 | SQ930_CTRL_CAP_START,
881 			0x0a00 | cap->cc_sizeid,
882 			cap->cc_bytes, 32);
883 }
884 
885 static void send_stop(struct gspca_dev *gspca_dev)
886 {
887 	reg_w(gspca_dev, SQ930_CTRL_CAP_STOP, 0);
888 }
889 
890 /* function called at start time before URB creation */
891 static int sd_isoc_init(struct gspca_dev *gspca_dev)
892 {
893 	struct sd *sd = (struct sd *) gspca_dev;
894 
895 	gspca_dev->cam.bulk_nurbs = 1;	/* there must be one URB only */
896 	sd->do_ctrl = 0;
897 	gspca_dev->cam.bulk_size = gspca_dev->pixfmt.width *
898 			gspca_dev->pixfmt.height + 8;
899 	return 0;
900 }
901 
902 /* start the capture */
903 static int sd_start(struct gspca_dev *gspca_dev)
904 {
905 	struct sd *sd = (struct sd *) gspca_dev;
906 	int mode;
907 
908 	bridge_init(sd);
909 	global_init(sd, 0);
910 	msleep(100);
911 
912 	switch (sd->sensor) {
913 	case SENSOR_ICX098BQ:
914 		ucbus_write(gspca_dev, icx098bq_start_0,
915 				ARRAY_SIZE(icx098bq_start_0),
916 				8);
917 		ucbus_write(gspca_dev, icx098bq_start_1,
918 				ARRAY_SIZE(icx098bq_start_1),
919 				5);
920 		ucbus_write(gspca_dev, icx098bq_start_2,
921 				ARRAY_SIZE(icx098bq_start_2),
922 				6);
923 		msleep(50);
924 
925 		/* 1st start */
926 		send_start(gspca_dev);
927 		gpio_set(sd, SQ930_GPIO_EXTRA2 | SQ930_GPIO_RSTBAR, 0x00ff);
928 		msleep(70);
929 		reg_w(gspca_dev, SQ930_CTRL_CAP_STOP, 0x0000);
930 		gpio_set(sd, 0x7f, 0x00ff);
931 
932 		/* 2nd start */
933 		send_start(gspca_dev);
934 		gpio_set(sd, SQ930_GPIO_EXTRA2 | SQ930_GPIO_RSTBAR, 0x00ff);
935 		goto out;
936 	case SENSOR_LZ24BP:
937 		ucbus_write(gspca_dev, lz24bp_start_0,
938 				ARRAY_SIZE(lz24bp_start_0),
939 				8);
940 		if (sd->type != Creative_live_motion)
941 			ucbus_write(gspca_dev, lz24bp_start_1_gen,
942 					ARRAY_SIZE(lz24bp_start_1_gen),
943 					5);
944 		else
945 			ucbus_write(gspca_dev, lz24bp_start_1_clm,
946 					ARRAY_SIZE(lz24bp_start_1_clm),
947 					5);
948 		ucbus_write(gspca_dev, lz24bp_start_2,
949 				ARRAY_SIZE(lz24bp_start_2),
950 				6);
951 		mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
952 		lz24bp_ppl(sd, mode == 1 ? 0x0564 : 0x0310);
953 		msleep(10);
954 		break;
955 	case SENSOR_MI0360:
956 		ucbus_write(gspca_dev, mi0360_start_0,
957 				ARRAY_SIZE(mi0360_start_0),
958 				8);
959 		i2c_write(sd, mi0360_init_23,
960 				ARRAY_SIZE(mi0360_init_23));
961 		i2c_write(sd, mi0360_init_24,
962 				ARRAY_SIZE(mi0360_init_24));
963 		i2c_write(sd, mi0360_init_25,
964 				ARRAY_SIZE(mi0360_init_25));
965 		ucbus_write(gspca_dev, mi0360_start_1,
966 				ARRAY_SIZE(mi0360_start_1),
967 				5);
968 		i2c_write(sd, mi0360_start_2,
969 				ARRAY_SIZE(mi0360_start_2));
970 		i2c_write(sd, mi0360_start_3,
971 				ARRAY_SIZE(mi0360_start_3));
972 
973 		/* 1st start */
974 		send_start(gspca_dev);
975 		msleep(60);
976 		send_stop(gspca_dev);
977 
978 		i2c_write(sd,
979 			mi0360_start_4, ARRAY_SIZE(mi0360_start_4));
980 		break;
981 	default:
982 /*	case SENSOR_MT9V111: */
983 		ucbus_write(gspca_dev, mi0360_start_0,
984 				ARRAY_SIZE(mi0360_start_0),
985 				8);
986 		i2c_write(sd, mt9v111_init_0,
987 				ARRAY_SIZE(mt9v111_init_0));
988 		i2c_write(sd, mt9v111_init_1,
989 				ARRAY_SIZE(mt9v111_init_1));
990 		i2c_write(sd, mt9v111_init_2,
991 				ARRAY_SIZE(mt9v111_init_2));
992 		ucbus_write(gspca_dev, mt9v111_start_1,
993 				ARRAY_SIZE(mt9v111_start_1),
994 				5);
995 		i2c_write(sd, mt9v111_init_3,
996 				ARRAY_SIZE(mt9v111_init_3));
997 		i2c_write(sd, mt9v111_init_4,
998 				ARRAY_SIZE(mt9v111_init_4));
999 		break;
1000 	}
1001 
1002 	send_start(gspca_dev);
1003 out:
1004 	msleep(1000);
1005 
1006 	if (sd->sensor == SENSOR_MT9V111)
1007 		gpio_set(sd, SQ930_GPIO_DFL_LED, SQ930_GPIO_DFL_LED);
1008 
1009 	sd->do_ctrl = 1;	/* set the exposure */
1010 
1011 	return gspca_dev->usb_err;
1012 }
1013 
1014 static void sd_stopN(struct gspca_dev *gspca_dev)
1015 {
1016 	struct sd *sd = (struct sd *) gspca_dev;
1017 
1018 	if (sd->sensor == SENSOR_MT9V111)
1019 		gpio_set(sd, 0, SQ930_GPIO_DFL_LED);
1020 	send_stop(gspca_dev);
1021 }
1022 
1023 /* function called when the application gets a new frame */
1024 /* It sets the exposure if required and restart the bulk transfer. */
1025 static void sd_dq_callback(struct gspca_dev *gspca_dev)
1026 {
1027 	struct sd *sd = (struct sd *) gspca_dev;
1028 	int ret;
1029 
1030 	if (!sd->do_ctrl || gspca_dev->cam.bulk_nurbs != 0)
1031 		return;
1032 	sd->do_ctrl = 0;
1033 
1034 	setexposure(gspca_dev, v4l2_ctrl_g_ctrl(sd->exposure),
1035 			v4l2_ctrl_g_ctrl(sd->gain));
1036 
1037 	gspca_dev->cam.bulk_nurbs = 1;
1038 	ret = usb_submit_urb(gspca_dev->urb[0], GFP_KERNEL);
1039 	if (ret < 0)
1040 		pr_err("sd_dq_callback() err %d\n", ret);
1041 
1042 	/* wait a little time, otherwise the webcam crashes */
1043 	msleep(100);
1044 }
1045 
1046 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
1047 			u8 *data,		/* isoc packet */
1048 			int len)		/* iso packet length */
1049 {
1050 	struct sd *sd = (struct sd *) gspca_dev;
1051 
1052 	if (sd->do_ctrl)
1053 		gspca_dev->cam.bulk_nurbs = 0;
1054 	gspca_frame_add(gspca_dev, FIRST_PACKET, NULL, 0);
1055 	gspca_frame_add(gspca_dev, INTER_PACKET, data, len - 8);
1056 	gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
1057 }
1058 
1059 static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
1060 {
1061 	struct gspca_dev *gspca_dev =
1062 		container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
1063 	struct sd *sd = (struct sd *) gspca_dev;
1064 
1065 	gspca_dev->usb_err = 0;
1066 
1067 	if (!gspca_dev->streaming)
1068 		return 0;
1069 
1070 	switch (ctrl->id) {
1071 	case V4L2_CID_EXPOSURE:
1072 		setexposure(gspca_dev, ctrl->val, sd->gain->val);
1073 		break;
1074 	}
1075 	return gspca_dev->usb_err;
1076 }
1077 
1078 static const struct v4l2_ctrl_ops sd_ctrl_ops = {
1079 	.s_ctrl = sd_s_ctrl,
1080 };
1081 
1082 static int sd_init_controls(struct gspca_dev *gspca_dev)
1083 {
1084 	struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
1085 	struct sd *sd = (struct sd *) gspca_dev;
1086 
1087 	gspca_dev->vdev.ctrl_handler = hdl;
1088 	v4l2_ctrl_handler_init(hdl, 2);
1089 	sd->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1090 			V4L2_CID_EXPOSURE, 1, 0xfff, 1, 0x356);
1091 	sd->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1092 			V4L2_CID_GAIN, 1, 255, 1, 0x8d);
1093 
1094 	if (hdl->error) {
1095 		pr_err("Could not initialize controls\n");
1096 		return hdl->error;
1097 	}
1098 	v4l2_ctrl_cluster(2, &sd->exposure);
1099 	return 0;
1100 }
1101 
1102 /* sub-driver description */
1103 static const struct sd_desc sd_desc = {
1104 	.name   = MODULE_NAME,
1105 	.config = sd_config,
1106 	.init   = sd_init,
1107 	.init_controls = sd_init_controls,
1108 	.isoc_init = sd_isoc_init,
1109 	.start  = sd_start,
1110 	.stopN  = sd_stopN,
1111 	.pkt_scan = sd_pkt_scan,
1112 	.dq_callback = sd_dq_callback,
1113 };
1114 
1115 /* Table of supported USB devices */
1116 #define ST(sensor, type) \
1117 	.driver_info = (SENSOR_ ## sensor << 8) \
1118 			| (type)
1119 static const struct usb_device_id device_table[] = {
1120 	{USB_DEVICE(0x041e, 0x4038), ST(MI0360, 0)},
1121 	{USB_DEVICE(0x041e, 0x403c), ST(LZ24BP, 0)},
1122 	{USB_DEVICE(0x041e, 0x403d), ST(LZ24BP, 0)},
1123 	{USB_DEVICE(0x041e, 0x4041), ST(LZ24BP, Creative_live_motion)},
1124 	{USB_DEVICE(0x2770, 0x930b), ST(MI0360, 0)},
1125 	{USB_DEVICE(0x2770, 0x930c), ST(MI0360, 0)},
1126 	{}
1127 };
1128 MODULE_DEVICE_TABLE(usb, device_table);
1129 
1130 
1131 /* -- device connect -- */
1132 static int sd_probe(struct usb_interface *intf,
1133 		const struct usb_device_id *id)
1134 {
1135 	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1136 			THIS_MODULE);
1137 }
1138 
1139 static struct usb_driver sd_driver = {
1140 	.name	    = MODULE_NAME,
1141 	.id_table   = device_table,
1142 	.probe	    = sd_probe,
1143 	.disconnect = gspca_disconnect,
1144 #ifdef CONFIG_PM
1145 	.suspend    = gspca_suspend,
1146 	.resume     = gspca_resume,
1147 	.reset_resume = gspca_resume,
1148 #endif
1149 };
1150 
1151 module_usb_driver(sd_driver);
1152