GNU Linux-libre 4.14.266-gnu1
[releases.git] / drivers / media / usb / gspca / sq930x.c
1 /*
2  * SQ930x subdriver
3  *
4  * Copyright (C) 2010 Jean-François Moine <http://moinejf.free.fr>
5  * Copyright (C) 2006 -2008 Gerard Klaver <gerard at gkall dot hobby dot nl>
6  * Copyright (C) 2007 Sam Revitch <samr7@cs.washington.edu>
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  */
18
19 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
20
21 #define MODULE_NAME "sq930x"
22
23 #include "gspca.h"
24
25 MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>\n"
26                 "Gerard Klaver <gerard at gkall dot hobby dot nl\n"
27                 "Sam Revitch <samr7@cs.washington.edu>");
28 MODULE_DESCRIPTION("GSPCA/SQ930x USB Camera Driver");
29 MODULE_LICENSE("GPL");
30
31 /* Structure to hold all of our device specific stuff */
32 struct sd {
33         struct gspca_dev gspca_dev;     /* !! must be the first item */
34
35         struct { /* exposure/gain control cluster */
36                 struct v4l2_ctrl *exposure;
37                 struct v4l2_ctrl *gain;
38         };
39
40         u8 do_ctrl;
41         u8 gpio[2];
42         u8 sensor;
43         u8 type;
44 #define Generic 0
45 #define Creative_live_motion 1
46 };
47 enum sensors {
48         SENSOR_ICX098BQ,
49         SENSOR_LZ24BP,
50         SENSOR_MI0360,
51         SENSOR_MT9V111,         /* = MI360SOC */
52         SENSOR_OV7660,
53         SENSOR_OV9630,
54 };
55
56 static struct v4l2_pix_format vga_mode[] = {
57         {320, 240, V4L2_PIX_FMT_SRGGB8, V4L2_FIELD_NONE,
58                 .bytesperline = 320,
59                 .sizeimage = 320 * 240,
60                 .colorspace = V4L2_COLORSPACE_SRGB,
61                 .priv = 0},
62         {640, 480, V4L2_PIX_FMT_SRGGB8, V4L2_FIELD_NONE,
63                 .bytesperline = 640,
64                 .sizeimage = 640 * 480,
65                 .colorspace = V4L2_COLORSPACE_SRGB,
66                 .priv = 1},
67 };
68
69 /* sq930x registers */
70 #define SQ930_CTRL_UCBUS_IO     0x0001
71 #define SQ930_CTRL_I2C_IO       0x0002
72 #define SQ930_CTRL_GPIO         0x0005
73 #define SQ930_CTRL_CAP_START    0x0010
74 #define SQ930_CTRL_CAP_STOP     0x0011
75 #define SQ930_CTRL_SET_EXPOSURE 0x001d
76 #define SQ930_CTRL_RESET        0x001e
77 #define SQ930_CTRL_GET_DEV_INFO 0x001f
78
79 /* gpio 1 (8..15) */
80 #define SQ930_GPIO_DFL_I2C_SDA  0x0001
81 #define SQ930_GPIO_DFL_I2C_SCL  0x0002
82 #define SQ930_GPIO_RSTBAR       0x0004
83 #define SQ930_GPIO_EXTRA1       0x0040
84 #define SQ930_GPIO_EXTRA2       0x0080
85 /* gpio 3 (24..31) */
86 #define SQ930_GPIO_POWER        0x0200
87 #define SQ930_GPIO_DFL_LED      0x1000
88
89 struct ucbus_write_cmd {
90         u16     bw_addr;
91         u8      bw_data;
92 };
93 struct i2c_write_cmd {
94         u8      reg;
95         u16     val;
96 };
97
98 static const struct ucbus_write_cmd icx098bq_start_0[] = {
99         {0x0354, 0x00}, {0x03fa, 0x00}, {0xf800, 0x02}, {0xf801, 0xce},
100         {0xf802, 0xc1}, {0xf804, 0x00}, {0xf808, 0x00}, {0xf809, 0x0e},
101         {0xf80a, 0x01}, {0xf80b, 0xee}, {0xf807, 0x60}, {0xf80c, 0x02},
102         {0xf80d, 0xf0}, {0xf80e, 0x03}, {0xf80f, 0x0a}, {0xf81c, 0x02},
103         {0xf81d, 0xf0}, {0xf81e, 0x03}, {0xf81f, 0x0a}, {0xf83a, 0x00},
104         {0xf83b, 0x10}, {0xf83c, 0x00}, {0xf83d, 0x4e}, {0xf810, 0x04},
105         {0xf811, 0x00}, {0xf812, 0x02}, {0xf813, 0x10}, {0xf803, 0x00},
106         {0xf814, 0x01}, {0xf815, 0x18}, {0xf816, 0x00}, {0xf817, 0x48},
107         {0xf818, 0x00}, {0xf819, 0x25}, {0xf81a, 0x00}, {0xf81b, 0x3c},
108         {0xf82f, 0x03}, {0xf820, 0xff}, {0xf821, 0x0d}, {0xf822, 0xff},
109         {0xf823, 0x07}, {0xf824, 0xff}, {0xf825, 0x03}, {0xf826, 0xff},
110         {0xf827, 0x06}, {0xf828, 0xff}, {0xf829, 0x03}, {0xf82a, 0xff},
111         {0xf82b, 0x0c}, {0xf82c, 0xfd}, {0xf82d, 0x01}, {0xf82e, 0x00},
112         {0xf830, 0x00}, {0xf831, 0x47}, {0xf832, 0x00}, {0xf833, 0x00},
113         {0xf850, 0x00}, {0xf851, 0x00}, {0xf852, 0x00}, {0xf853, 0x24},
114         {0xf854, 0x00}, {0xf855, 0x18}, {0xf856, 0x00}, {0xf857, 0x3c},
115         {0xf858, 0x00}, {0xf859, 0x0c}, {0xf85a, 0x00}, {0xf85b, 0x30},
116         {0xf85c, 0x00}, {0xf85d, 0x0c}, {0xf85e, 0x00}, {0xf85f, 0x30},
117         {0xf860, 0x00}, {0xf861, 0x48}, {0xf862, 0x01}, {0xf863, 0xdc},
118         {0xf864, 0xff}, {0xf865, 0x98}, {0xf866, 0xff}, {0xf867, 0xc0},
119         {0xf868, 0xff}, {0xf869, 0x70}, {0xf86c, 0xff}, {0xf86d, 0x00},
120         {0xf86a, 0xff}, {0xf86b, 0x48}, {0xf86e, 0xff}, {0xf86f, 0x00},
121         {0xf870, 0x01}, {0xf871, 0xdb}, {0xf872, 0x01}, {0xf873, 0xfa},
122         {0xf874, 0x01}, {0xf875, 0xdb}, {0xf876, 0x01}, {0xf877, 0xfa},
123         {0xf878, 0x0f}, {0xf879, 0x0f}, {0xf87a, 0xff}, {0xf87b, 0xff},
124         {0xf800, 0x03}
125 };
126 static const struct ucbus_write_cmd icx098bq_start_1[] = {
127         {0xf5f0, 0x00}, {0xf5f1, 0xcd}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
128         {0xf5f4, 0xc0},
129         {0xf5f0, 0x49}, {0xf5f1, 0xcd}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
130         {0xf5f4, 0xc0},
131         {0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
132         {0xf5f9, 0x00}
133 };
134
135 static const struct ucbus_write_cmd icx098bq_start_2[] = {
136         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x82}, {0xf806, 0x00},
137         {0xf807, 0x7f}, {0xf800, 0x03},
138         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x40}, {0xf806, 0x00},
139         {0xf807, 0x7f}, {0xf800, 0x03},
140         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0xcf}, {0xf806, 0xd0},
141         {0xf807, 0x7f}, {0xf800, 0x03},
142         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x00}, {0xf806, 0x00},
143         {0xf807, 0x7f}, {0xf800, 0x03}
144 };
145
146 static const struct ucbus_write_cmd lz24bp_start_0[] = {
147         {0x0354, 0x00}, {0x03fa, 0x00}, {0xf800, 0x02}, {0xf801, 0xbe},
148         {0xf802, 0xc6}, {0xf804, 0x00}, {0xf808, 0x00}, {0xf809, 0x06},
149         {0xf80a, 0x01}, {0xf80b, 0xfe}, {0xf807, 0x84}, {0xf80c, 0x02},
150         {0xf80d, 0xf7}, {0xf80e, 0x03}, {0xf80f, 0x0b}, {0xf81c, 0x00},
151         {0xf81d, 0x49}, {0xf81e, 0x03}, {0xf81f, 0x0b}, {0xf83a, 0x00},
152         {0xf83b, 0x01}, {0xf83c, 0x00}, {0xf83d, 0x6b}, {0xf810, 0x03},
153         {0xf811, 0x10}, {0xf812, 0x02}, {0xf813, 0x6f}, {0xf803, 0x00},
154         {0xf814, 0x00}, {0xf815, 0x44}, {0xf816, 0x00}, {0xf817, 0x48},
155         {0xf818, 0x00}, {0xf819, 0x25}, {0xf81a, 0x00}, {0xf81b, 0x3c},
156         {0xf82f, 0x03}, {0xf820, 0xff}, {0xf821, 0x0d}, {0xf822, 0xff},
157         {0xf823, 0x07}, {0xf824, 0xfd}, {0xf825, 0x07}, {0xf826, 0xf0},
158         {0xf827, 0x0c}, {0xf828, 0xff}, {0xf829, 0x03}, {0xf82a, 0xff},
159         {0xf82b, 0x0c}, {0xf82c, 0xfc}, {0xf82d, 0x01}, {0xf82e, 0x00},
160         {0xf830, 0x00}, {0xf831, 0x47}, {0xf832, 0x00}, {0xf833, 0x00},
161         {0xf850, 0x00}, {0xf851, 0x00}, {0xf852, 0x00}, {0xf853, 0x24},
162         {0xf854, 0x00}, {0xf855, 0x0c}, {0xf856, 0x00}, {0xf857, 0x30},
163         {0xf858, 0x00}, {0xf859, 0x18}, {0xf85a, 0x00}, {0xf85b, 0x3c},
164         {0xf85c, 0x00}, {0xf85d, 0x18}, {0xf85e, 0x00}, {0xf85f, 0x3c},
165         {0xf860, 0xff}, {0xf861, 0x37}, {0xf862, 0xff}, {0xf863, 0x1d},
166         {0xf864, 0xff}, {0xf865, 0x98}, {0xf866, 0xff}, {0xf867, 0xc0},
167         {0xf868, 0x00}, {0xf869, 0x37}, {0xf86c, 0x02}, {0xf86d, 0x1d},
168         {0xf86a, 0x00}, {0xf86b, 0x37}, {0xf86e, 0x02}, {0xf86f, 0x1d},
169         {0xf870, 0x01}, {0xf871, 0xc6}, {0xf872, 0x02}, {0xf873, 0x04},
170         {0xf874, 0x01}, {0xf875, 0xc6}, {0xf876, 0x02}, {0xf877, 0x04},
171         {0xf878, 0x0f}, {0xf879, 0x0f}, {0xf87a, 0xff}, {0xf87b, 0xff},
172         {0xf800, 0x03}
173 };
174 static const struct ucbus_write_cmd lz24bp_start_1_gen[] = {
175         {0xf5f0, 0x00}, {0xf5f1, 0xff}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
176         {0xf5f4, 0xb3},
177         {0xf5f0, 0x40}, {0xf5f1, 0xff}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
178         {0xf5f4, 0xb3},
179         {0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
180         {0xf5f9, 0x00}
181 };
182
183 static const struct ucbus_write_cmd lz24bp_start_1_clm[] = {
184         {0xf5f0, 0x00}, {0xf5f1, 0xff}, {0xf5f2, 0x88}, {0xf5f3, 0x88},
185         {0xf5f4, 0xc0},
186         {0xf5f0, 0x40}, {0xf5f1, 0xff}, {0xf5f2, 0x88}, {0xf5f3, 0x88},
187         {0xf5f4, 0xc0},
188         {0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
189         {0xf5f9, 0x00}
190 };
191
192 static const struct ucbus_write_cmd lz24bp_start_2[] = {
193         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x80}, {0xf806, 0x00},
194         {0xf807, 0x7f}, {0xf800, 0x03},
195         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x4e}, {0xf806, 0x00},
196         {0xf807, 0x7f}, {0xf800, 0x03},
197         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0xc0}, {0xf806, 0x48},
198         {0xf807, 0x7f}, {0xf800, 0x03},
199         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x00}, {0xf806, 0x00},
200         {0xf807, 0x7f}, {0xf800, 0x03}
201 };
202
203 static const struct ucbus_write_cmd mi0360_start_0[] = {
204         {0x0354, 0x00}, {0x03fa, 0x00}, {0xf332, 0xcc}, {0xf333, 0xcc},
205         {0xf334, 0xcc}, {0xf335, 0xcc}, {0xf33f, 0x00}
206 };
207 static const struct i2c_write_cmd mi0360_init_23[] = {
208         {0x30, 0x0040},         /* reserved - def 0x0005 */
209         {0x31, 0x0000},         /* reserved - def 0x002a */
210         {0x34, 0x0100},         /* reserved - def 0x0100 */
211         {0x3d, 0x068f},         /* reserved - def 0x068f */
212 };
213 static const struct i2c_write_cmd mi0360_init_24[] = {
214         {0x03, 0x01e5},         /* window height */
215         {0x04, 0x0285},         /* window width */
216 };
217 static const struct i2c_write_cmd mi0360_init_25[] = {
218         {0x35, 0x0020},         /* global gain */
219         {0x2b, 0x0020},         /* green1 gain */
220         {0x2c, 0x002a},         /* blue gain */
221         {0x2d, 0x0028},         /* red gain */
222         {0x2e, 0x0020},         /* green2 gain */
223 };
224 static const struct ucbus_write_cmd mi0360_start_1[] = {
225         {0xf5f0, 0x11}, {0xf5f1, 0x99}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
226         {0xf5f4, 0xa6},
227         {0xf5f0, 0x51}, {0xf5f1, 0x99}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
228         {0xf5f4, 0xa6},
229         {0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
230         {0xf5f9, 0x00}
231 };
232 static const struct i2c_write_cmd mi0360_start_2[] = {
233         {0x62, 0x041d},         /* reserved - def 0x0418 */
234 };
235 static const struct i2c_write_cmd mi0360_start_3[] = {
236         {0x05, 0x007b},         /* horiz blanking */
237 };
238 static const struct i2c_write_cmd mi0360_start_4[] = {
239         {0x05, 0x03f5},         /* horiz blanking */
240 };
241
242 static const struct i2c_write_cmd mt9v111_init_0[] = {
243         {0x01, 0x0001},         /* select IFP/SOC registers */
244         {0x06, 0x300c},         /* operating mode control */
245         {0x08, 0xcc00},         /* output format control (RGB) */
246         {0x01, 0x0004},         /* select sensor core registers */
247 };
248 static const struct i2c_write_cmd mt9v111_init_1[] = {
249         {0x03, 0x01e5},         /* window height */
250         {0x04, 0x0285},         /* window width */
251 };
252 static const struct i2c_write_cmd mt9v111_init_2[] = {
253         {0x30, 0x7800},
254         {0x31, 0x0000},
255         {0x07, 0x3002},         /* output control */
256         {0x35, 0x0020},         /* global gain */
257         {0x2b, 0x0020},         /* green1 gain */
258         {0x2c, 0x0020},         /* blue gain */
259         {0x2d, 0x0020},         /* red gain */
260         {0x2e, 0x0020},         /* green2 gain */
261 };
262 static const struct ucbus_write_cmd mt9v111_start_1[] = {
263         {0xf5f0, 0x11}, {0xf5f1, 0x96}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
264         {0xf5f4, 0xaa},
265         {0xf5f0, 0x51}, {0xf5f1, 0x96}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
266         {0xf5f4, 0xaa},
267         {0xf5fa, 0x00}, {0xf5f6, 0x0a}, {0xf5f7, 0x0a}, {0xf5f8, 0x0a},
268         {0xf5f9, 0x0a}
269 };
270 static const struct i2c_write_cmd mt9v111_init_3[] = {
271         {0x62, 0x0405},
272 };
273 static const struct i2c_write_cmd mt9v111_init_4[] = {
274 /*      {0x05, 0x00ce}, */
275         {0x05, 0x005d},         /* horizontal blanking */
276 };
277
278 static const struct ucbus_write_cmd ov7660_start_0[] = {
279         {0x0354, 0x00}, {0x03fa, 0x00}, {0xf332, 0x00}, {0xf333, 0xc0},
280         {0xf334, 0x39}, {0xf335, 0xe7}, {0xf33f, 0x03}
281 };
282
283 static const struct ucbus_write_cmd ov9630_start_0[] = {
284         {0x0354, 0x00}, {0x03fa, 0x00}, {0xf332, 0x00}, {0xf333, 0x00},
285         {0xf334, 0x3e}, {0xf335, 0xf8}, {0xf33f, 0x03}
286 };
287
288 /* start parameters indexed by [sensor][mode] */
289 static const struct cap_s {
290         u8      cc_sizeid;
291         u8      cc_bytes[32];
292 } capconfig[4][2] = {
293         [SENSOR_ICX098BQ] = {
294                 {2,                             /* Bayer 320x240 */
295                   {0x05, 0x1f, 0x20, 0x0e, 0x00, 0x9f, 0x02, 0xee,
296                    0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
297                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
298                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
299                 {4,                             /* Bayer 640x480 */
300                   {0x01, 0x1f, 0x20, 0x0e, 0x00, 0x9f, 0x02, 0xee,
301                    0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
302                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
303                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
304         },
305         [SENSOR_LZ24BP] = {
306                 {2,                             /* Bayer 320x240 */
307                   {0x05, 0x22, 0x20, 0x0e, 0x00, 0xa2, 0x02, 0xee,
308                    0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
309                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
310                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
311                 {4,                             /* Bayer 640x480 */
312                   {0x01, 0x22, 0x20, 0x0e, 0x00, 0xa2, 0x02, 0xee,
313                    0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
314                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
315                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
316         },
317         [SENSOR_MI0360] = {
318                 {2,                             /* Bayer 320x240 */
319                   {0x05, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
320                    0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
321                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
322                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
323                 {4,                             /* Bayer 640x480 */
324                   {0x01, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
325                    0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
326                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
327                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
328         },
329         [SENSOR_MT9V111] = {
330                 {2,                             /* Bayer 320x240 */
331                   {0x05, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
332                    0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
333                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
334                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
335                 {4,                             /* Bayer 640x480 */
336                   {0x01, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
337                    0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
338                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
339                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
340         },
341 };
342
343 struct sensor_s {
344         const char *name;
345         u8 i2c_addr;
346         u8 i2c_dum;
347         u8 gpio[5];
348         u8 cmd_len;
349         const struct ucbus_write_cmd *cmd;
350 };
351
352 static const struct sensor_s sensor_tb[] = {
353         [SENSOR_ICX098BQ] = {
354                 "icx098bp",
355                 0x00, 0x00,
356                 {0,
357                  SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
358                  SQ930_GPIO_DFL_I2C_SDA,
359                  0,
360                  SQ930_GPIO_RSTBAR
361                 },
362                 8, icx098bq_start_0
363             },
364         [SENSOR_LZ24BP] = {
365                 "lz24bp",
366                 0x00, 0x00,
367                 {0,
368                  SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
369                  SQ930_GPIO_DFL_I2C_SDA,
370                  0,
371                  SQ930_GPIO_RSTBAR
372                 },
373                 8, lz24bp_start_0
374             },
375         [SENSOR_MI0360] = {
376                 "mi0360",
377                 0x5d, 0x80,
378                 {SQ930_GPIO_RSTBAR,
379                  SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
380                  SQ930_GPIO_DFL_I2C_SDA,
381                  0,
382                  0
383                 },
384                 7, mi0360_start_0
385             },
386         [SENSOR_MT9V111] = {
387                 "mt9v111",
388                 0x5c, 0x7f,
389                 {SQ930_GPIO_RSTBAR,
390                  SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
391                  SQ930_GPIO_DFL_I2C_SDA,
392                  0,
393                  0
394                 },
395                 7, mi0360_start_0
396             },
397         [SENSOR_OV7660] = {
398                 "ov7660",
399                 0x21, 0x00,
400                 {0,
401                  SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
402                  SQ930_GPIO_DFL_I2C_SDA,
403                  0,
404                  SQ930_GPIO_RSTBAR
405                 },
406                 7, ov7660_start_0
407             },
408         [SENSOR_OV9630] = {
409                 "ov9630",
410                 0x30, 0x00,
411                 {0,
412                  SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
413                  SQ930_GPIO_DFL_I2C_SDA,
414                  0,
415                  SQ930_GPIO_RSTBAR
416                 },
417                 7, ov9630_start_0
418             },
419 };
420
421 static void reg_r(struct gspca_dev *gspca_dev,
422                 u16 value, int len)
423 {
424         int ret;
425
426         if (gspca_dev->usb_err < 0)
427                 return;
428         ret = usb_control_msg(gspca_dev->dev,
429                         usb_rcvctrlpipe(gspca_dev->dev, 0),
430                         0x0c,
431                         USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
432                         value, 0, gspca_dev->usb_buf, len,
433                         500);
434         if (ret < 0) {
435                 pr_err("reg_r %04x failed %d\n", value, ret);
436                 gspca_dev->usb_err = ret;
437                 /*
438                  * Make sure the buffer is zeroed to avoid uninitialized
439                  * values.
440                  */
441                 memset(gspca_dev->usb_buf, 0, USB_BUF_SZ);
442         }
443 }
444
445 static void reg_w(struct gspca_dev *gspca_dev, u16 value, u16 index)
446 {
447         int ret;
448
449         if (gspca_dev->usb_err < 0)
450                 return;
451         PDEBUG(D_USBO, "reg_w v: %04x i: %04x", value, index);
452         ret = usb_control_msg(gspca_dev->dev,
453                         usb_sndctrlpipe(gspca_dev->dev, 0),
454                         0x0c,                   /* request */
455                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
456                         value, index, NULL, 0,
457                         500);
458         msleep(30);
459         if (ret < 0) {
460                 pr_err("reg_w %04x %04x failed %d\n", value, index, ret);
461                 gspca_dev->usb_err = ret;
462         }
463 }
464
465 static void reg_wb(struct gspca_dev *gspca_dev, u16 value, u16 index,
466                 const u8 *data, int len)
467 {
468         int ret;
469
470         if (gspca_dev->usb_err < 0)
471                 return;
472         PDEBUG(D_USBO, "reg_wb v: %04x i: %04x %02x...%02x",
473                         value, index, *data, data[len - 1]);
474         memcpy(gspca_dev->usb_buf, data, len);
475         ret = usb_control_msg(gspca_dev->dev,
476                         usb_sndctrlpipe(gspca_dev->dev, 0),
477                         0x0c,                   /* request */
478                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
479                         value, index, gspca_dev->usb_buf, len,
480                         1000);
481         msleep(30);
482         if (ret < 0) {
483                 pr_err("reg_wb %04x %04x failed %d\n", value, index, ret);
484                 gspca_dev->usb_err = ret;
485         }
486 }
487
488 static void i2c_write(struct sd *sd,
489                         const struct i2c_write_cmd *cmd,
490                         int ncmds)
491 {
492         struct gspca_dev *gspca_dev = &sd->gspca_dev;
493         const struct sensor_s *sensor;
494         u16 val, idx;
495         u8 *buf;
496         int ret;
497
498         if (gspca_dev->usb_err < 0)
499                 return;
500
501         sensor = &sensor_tb[sd->sensor];
502
503         val = (sensor->i2c_addr << 8) | SQ930_CTRL_I2C_IO;
504         idx = (cmd->val & 0xff00) | cmd->reg;
505
506         buf = gspca_dev->usb_buf;
507         *buf++ = sensor->i2c_dum;
508         *buf++ = cmd->val;
509
510         while (--ncmds > 0) {
511                 cmd++;
512                 *buf++ = cmd->reg;
513                 *buf++ = cmd->val >> 8;
514                 *buf++ = sensor->i2c_dum;
515                 *buf++ = cmd->val;
516         }
517
518         PDEBUG(D_USBO, "i2c_w v: %04x i: %04x %02x...%02x",
519                         val, idx, gspca_dev->usb_buf[0], buf[-1]);
520         ret = usb_control_msg(gspca_dev->dev,
521                         usb_sndctrlpipe(gspca_dev->dev, 0),
522                         0x0c,                   /* request */
523                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
524                         val, idx,
525                         gspca_dev->usb_buf, buf - gspca_dev->usb_buf,
526                         500);
527         if (ret < 0) {
528                 pr_err("i2c_write failed %d\n", ret);
529                 gspca_dev->usb_err = ret;
530         }
531 }
532
533 static void ucbus_write(struct gspca_dev *gspca_dev,
534                         const struct ucbus_write_cmd *cmd,
535                         int ncmds,
536                         int batchsize)
537 {
538         u8 *buf;
539         u16 val, idx;
540         int len, ret;
541
542         if (gspca_dev->usb_err < 0)
543                 return;
544
545         if ((batchsize - 1) * 3 > USB_BUF_SZ) {
546                 PERR("Bug: usb_buf overflow\n");
547                 gspca_dev->usb_err = -ENOMEM;
548                 return;
549         }
550
551         for (;;) {
552                 len = ncmds;
553                 if (len > batchsize)
554                         len = batchsize;
555                 ncmds -= len;
556
557                 val = (cmd->bw_addr << 8) | SQ930_CTRL_UCBUS_IO;
558                 idx = (cmd->bw_data << 8) | (cmd->bw_addr >> 8);
559
560                 buf = gspca_dev->usb_buf;
561                 while (--len > 0) {
562                         cmd++;
563                         *buf++ = cmd->bw_addr;
564                         *buf++ = cmd->bw_addr >> 8;
565                         *buf++ = cmd->bw_data;
566                 }
567                 if (buf != gspca_dev->usb_buf)
568                         PDEBUG(D_USBO, "ucbus v: %04x i: %04x %02x...%02x",
569                                         val, idx,
570                                         gspca_dev->usb_buf[0], buf[-1]);
571                 else
572                         PDEBUG(D_USBO, "ucbus v: %04x i: %04x",
573                                         val, idx);
574                 ret = usb_control_msg(gspca_dev->dev,
575                                 usb_sndctrlpipe(gspca_dev->dev, 0),
576                                 0x0c,                   /* request */
577                            USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
578                                 val, idx,
579                                 gspca_dev->usb_buf, buf - gspca_dev->usb_buf,
580                                 500);
581                 if (ret < 0) {
582                         pr_err("ucbus_write failed %d\n", ret);
583                         gspca_dev->usb_err = ret;
584                         return;
585                 }
586                 msleep(30);
587                 if (ncmds <= 0)
588                         break;
589                 cmd++;
590         }
591 }
592
593 static void gpio_set(struct sd *sd, u16 val, u16 mask)
594 {
595         struct gspca_dev *gspca_dev = &sd->gspca_dev;
596
597         if (mask & 0x00ff) {
598                 sd->gpio[0] &= ~mask;
599                 sd->gpio[0] |= val;
600                 reg_w(gspca_dev, 0x0100 | SQ930_CTRL_GPIO,
601                         ~sd->gpio[0] << 8);
602         }
603         mask >>= 8;
604         val >>= 8;
605         if (mask) {
606                 sd->gpio[1] &= ~mask;
607                 sd->gpio[1] |= val;
608                 reg_w(gspca_dev, 0x0300 | SQ930_CTRL_GPIO,
609                         ~sd->gpio[1] << 8);
610         }
611 }
612
613 static void gpio_init(struct sd *sd,
614                         const u8 *gpio)
615 {
616         gpio_set(sd, *gpio++, 0x000f);
617         gpio_set(sd, *gpio++, 0x000f);
618         gpio_set(sd, *gpio++, 0x000f);
619         gpio_set(sd, *gpio++, 0x000f);
620         gpio_set(sd, *gpio, 0x000f);
621 }
622
623 static void bridge_init(struct sd *sd)
624 {
625         static const struct ucbus_write_cmd clkfreq_cmd = {
626                                 0xf031, 0       /* SQ930_CLKFREQ_60MHZ */
627         };
628
629         ucbus_write(&sd->gspca_dev, &clkfreq_cmd, 1, 1);
630
631         gpio_set(sd, SQ930_GPIO_POWER, 0xff00);
632 }
633
634 static void cmos_probe(struct gspca_dev *gspca_dev)
635 {
636         struct sd *sd = (struct sd *) gspca_dev;
637         int i;
638         const struct sensor_s *sensor;
639         static const u8 probe_order[] = {
640 /*              SENSOR_LZ24BP,          (tested as ccd) */
641                 SENSOR_OV9630,
642                 SENSOR_MI0360,
643                 SENSOR_OV7660,
644                 SENSOR_MT9V111,
645         };
646
647         for (i = 0; i < ARRAY_SIZE(probe_order); i++) {
648                 sensor = &sensor_tb[probe_order[i]];
649                 ucbus_write(&sd->gspca_dev, sensor->cmd, sensor->cmd_len, 8);
650                 gpio_init(sd, sensor->gpio);
651                 msleep(100);
652                 reg_r(gspca_dev, (sensor->i2c_addr << 8) | 0x001c, 1);
653                 msleep(100);
654                 if (gspca_dev->usb_buf[0] != 0)
655                         break;
656         }
657         if (i >= ARRAY_SIZE(probe_order)) {
658                 pr_err("Unknown sensor\n");
659                 gspca_dev->usb_err = -EINVAL;
660                 return;
661         }
662         sd->sensor = probe_order[i];
663         switch (sd->sensor) {
664         case SENSOR_OV7660:
665         case SENSOR_OV9630:
666                 pr_err("Sensor %s not yet treated\n",
667                        sensor_tb[sd->sensor].name);
668                 gspca_dev->usb_err = -EINVAL;
669                 break;
670         }
671 }
672
673 static void mt9v111_init(struct gspca_dev *gspca_dev)
674 {
675         int i, nwait;
676         static const u8 cmd_001b[] = {
677                 0x00, 0x3b, 0xf6, 0x01, 0x03, 0x02, 0x00, 0x00,
678                 0x00, 0x00, 0x00
679         };
680         static const u8 cmd_011b[][7] = {
681                 {0x10, 0x01, 0x66, 0x08, 0x00, 0x00, 0x00},
682                 {0x01, 0x00, 0x1a, 0x04, 0x00, 0x00, 0x00},
683                 {0x20, 0x00, 0x10, 0x04, 0x00, 0x00, 0x00},
684                 {0x02, 0x01, 0xae, 0x01, 0x00, 0x00, 0x00},
685         };
686
687         reg_wb(gspca_dev, 0x001b, 0x0000, cmd_001b, sizeof cmd_001b);
688         for (i = 0; i < ARRAY_SIZE(cmd_011b); i++) {
689                 reg_wb(gspca_dev, 0x001b, 0x0000, cmd_011b[i],
690                                 ARRAY_SIZE(cmd_011b[0]));
691                 msleep(400);
692                 nwait = 20;
693                 for (;;) {
694                         reg_r(gspca_dev, 0x031b, 1);
695                         if (gspca_dev->usb_buf[0] == 0
696                          || gspca_dev->usb_err != 0)
697                                 break;
698                         if (--nwait < 0) {
699                                 PDEBUG(D_PROBE, "mt9v111_init timeout");
700                                 gspca_dev->usb_err = -ETIME;
701                                 return;
702                         }
703                         msleep(50);
704                 }
705         }
706 }
707
708 static void global_init(struct sd *sd, int first_time)
709 {
710         switch (sd->sensor) {
711         case SENSOR_ICX098BQ:
712                 if (first_time)
713                         ucbus_write(&sd->gspca_dev,
714                                         icx098bq_start_0,
715                                         8, 8);
716                 gpio_init(sd, sensor_tb[sd->sensor].gpio);
717                 break;
718         case SENSOR_LZ24BP:
719                 if (sd->type != Creative_live_motion)
720                         gpio_set(sd, SQ930_GPIO_EXTRA1, 0x00ff);
721                 else
722                         gpio_set(sd, 0, 0x00ff);
723                 msleep(50);
724                 if (first_time)
725                         ucbus_write(&sd->gspca_dev,
726                                         lz24bp_start_0,
727                                         8, 8);
728                 gpio_init(sd, sensor_tb[sd->sensor].gpio);
729                 break;
730         case SENSOR_MI0360:
731                 if (first_time)
732                         ucbus_write(&sd->gspca_dev,
733                                         mi0360_start_0,
734                                         ARRAY_SIZE(mi0360_start_0),
735                                         8);
736                 gpio_init(sd, sensor_tb[sd->sensor].gpio);
737                 gpio_set(sd, SQ930_GPIO_EXTRA2, SQ930_GPIO_EXTRA2);
738                 break;
739         default:
740 /*      case SENSOR_MT9V111: */
741                 if (first_time)
742                         mt9v111_init(&sd->gspca_dev);
743                 else
744                         gpio_init(sd, sensor_tb[sd->sensor].gpio);
745                 break;
746         }
747 }
748
749 static void lz24bp_ppl(struct sd *sd, u16 ppl)
750 {
751         struct ucbus_write_cmd cmds[2] = {
752                 {0xf810, ppl >> 8},
753                 {0xf811, ppl}
754         };
755
756         ucbus_write(&sd->gspca_dev, cmds, ARRAY_SIZE(cmds), 2);
757 }
758
759 static void setexposure(struct gspca_dev *gspca_dev, s32 expo, s32 gain)
760 {
761         struct sd *sd = (struct sd *) gspca_dev;
762         int i, integclks, intstartclk, frameclks, min_frclk;
763         const struct sensor_s *sensor;
764         u16 cmd;
765         u8 buf[15];
766
767         integclks = expo;
768         i = 0;
769         cmd = SQ930_CTRL_SET_EXPOSURE;
770
771         switch (sd->sensor) {
772         case SENSOR_ICX098BQ:                   /* ccd */
773         case SENSOR_LZ24BP:
774                 min_frclk = sd->sensor == SENSOR_ICX098BQ ? 0x210 : 0x26f;
775                 if (integclks >= min_frclk) {
776                         intstartclk = 0;
777                         frameclks = integclks;
778                 } else {
779                         intstartclk = min_frclk - integclks;
780                         frameclks = min_frclk;
781                 }
782                 buf[i++] = intstartclk >> 8;
783                 buf[i++] = intstartclk;
784                 buf[i++] = frameclks >> 8;
785                 buf[i++] = frameclks;
786                 buf[i++] = gain;
787                 break;
788         default:                                /* cmos */
789 /*      case SENSOR_MI0360: */
790 /*      case SENSOR_MT9V111: */
791                 cmd |= 0x0100;
792                 sensor = &sensor_tb[sd->sensor];
793                 buf[i++] = sensor->i2c_addr;    /* i2c_slave_addr */
794                 buf[i++] = 0x08;        /* 2 * ni2c */
795                 buf[i++] = 0x09;        /* reg = shutter width */
796                 buf[i++] = integclks >> 8; /* val H */
797                 buf[i++] = sensor->i2c_dum;
798                 buf[i++] = integclks;   /* val L */
799                 buf[i++] = 0x35;        /* reg = global gain */
800                 buf[i++] = 0x00;        /* val H */
801                 buf[i++] = sensor->i2c_dum;
802                 buf[i++] = 0x80 + gain / 2; /* val L */
803                 buf[i++] = 0x00;
804                 buf[i++] = 0x00;
805                 buf[i++] = 0x00;
806                 buf[i++] = 0x00;
807                 buf[i++] = 0x83;
808                 break;
809         }
810         reg_wb(gspca_dev, cmd, 0, buf, i);
811 }
812
813 /* This function is called at probe time just before sd_init */
814 static int sd_config(struct gspca_dev *gspca_dev,
815                 const struct usb_device_id *id)
816 {
817         struct sd *sd = (struct sd *) gspca_dev;
818         struct cam *cam = &gspca_dev->cam;
819
820         sd->sensor = id->driver_info >> 8;
821         sd->type = id->driver_info;
822
823         cam->cam_mode = vga_mode;
824         cam->nmodes = ARRAY_SIZE(vga_mode);
825
826         cam->bulk = 1;
827
828         return 0;
829 }
830
831 /* this function is called at probe and resume time */
832 static int sd_init(struct gspca_dev *gspca_dev)
833 {
834         struct sd *sd = (struct sd *) gspca_dev;
835
836         sd->gpio[0] = sd->gpio[1] = 0xff;       /* force gpio rewrite */
837
838 /*fixme: is this needed for icx098bp and mi0360?
839         if (sd->sensor != SENSOR_LZ24BP)
840                 reg_w(gspca_dev, SQ930_CTRL_RESET, 0x0000);
841  */
842
843         reg_r(gspca_dev, SQ930_CTRL_GET_DEV_INFO, 8);
844         if (gspca_dev->usb_err < 0)
845                 return gspca_dev->usb_err;
846
847 /* it returns:
848  * 03 00 12 93 0b f6 c9 00      live! ultra
849  * 03 00 07 93 0b f6 ca 00      live! ultra for notebook
850  * 03 00 12 93 0b fe c8 00      Trust WB-3500T
851  * 02 00 06 93 0b fe c8 00      Joy-IT 318S
852  * 03 00 12 93 0b f6 cf 00      icam tracer - sensor icx098bq
853  * 02 00 12 93 0b fe cf 00      ProQ Motion Webcam
854  *
855  * byte
856  * 0: 02 = usb 1.0 (12Mbit) / 03 = usb2.0 (480Mbit)
857  * 1: 00
858  * 2: 06 / 07 / 12 = mode webcam? firmware??
859  * 3: 93 chip = 930b (930b or 930c)
860  * 4: 0b
861  * 5: f6 = cdd (icx098bq, lz24bp) / fe or de = cmos (i2c) (other sensors)
862  * 6: c8 / c9 / ca / cf = mode webcam?, sensor? webcam?
863  * 7: 00
864  */
865         PDEBUG(D_PROBE, "info: %*ph", 8, gspca_dev->usb_buf);
866
867         bridge_init(sd);
868
869         if (sd->sensor == SENSOR_MI0360) {
870
871                 /* no sensor probe for icam tracer */
872                 if (gspca_dev->usb_buf[5] == 0xf6)      /* if ccd */
873                         sd->sensor = SENSOR_ICX098BQ;
874                 else
875                         cmos_probe(gspca_dev);
876         }
877         if (gspca_dev->usb_err >= 0) {
878                 PDEBUG(D_PROBE, "Sensor %s", sensor_tb[sd->sensor].name);
879                 global_init(sd, 1);
880         }
881         return gspca_dev->usb_err;
882 }
883
884 /* send the start/stop commands to the webcam */
885 static void send_start(struct gspca_dev *gspca_dev)
886 {
887         struct sd *sd = (struct sd *) gspca_dev;
888         const struct cap_s *cap;
889         int mode;
890
891         mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
892         cap = &capconfig[sd->sensor][mode];
893         reg_wb(gspca_dev, 0x0900 | SQ930_CTRL_CAP_START,
894                         0x0a00 | cap->cc_sizeid,
895                         cap->cc_bytes, 32);
896 }
897
898 static void send_stop(struct gspca_dev *gspca_dev)
899 {
900         reg_w(gspca_dev, SQ930_CTRL_CAP_STOP, 0);
901 }
902
903 /* function called at start time before URB creation */
904 static int sd_isoc_init(struct gspca_dev *gspca_dev)
905 {
906         struct sd *sd = (struct sd *) gspca_dev;
907
908         gspca_dev->cam.bulk_nurbs = 1;  /* there must be one URB only */
909         sd->do_ctrl = 0;
910         gspca_dev->cam.bulk_size = gspca_dev->pixfmt.width *
911                         gspca_dev->pixfmt.height + 8;
912         return 0;
913 }
914
915 /* start the capture */
916 static int sd_start(struct gspca_dev *gspca_dev)
917 {
918         struct sd *sd = (struct sd *) gspca_dev;
919         int mode;
920
921         bridge_init(sd);
922         global_init(sd, 0);
923         msleep(100);
924
925         switch (sd->sensor) {
926         case SENSOR_ICX098BQ:
927                 ucbus_write(gspca_dev, icx098bq_start_0,
928                                 ARRAY_SIZE(icx098bq_start_0),
929                                 8);
930                 ucbus_write(gspca_dev, icx098bq_start_1,
931                                 ARRAY_SIZE(icx098bq_start_1),
932                                 5);
933                 ucbus_write(gspca_dev, icx098bq_start_2,
934                                 ARRAY_SIZE(icx098bq_start_2),
935                                 6);
936                 msleep(50);
937
938                 /* 1st start */
939                 send_start(gspca_dev);
940                 gpio_set(sd, SQ930_GPIO_EXTRA2 | SQ930_GPIO_RSTBAR, 0x00ff);
941                 msleep(70);
942                 reg_w(gspca_dev, SQ930_CTRL_CAP_STOP, 0x0000);
943                 gpio_set(sd, 0x7f, 0x00ff);
944
945                 /* 2nd start */
946                 send_start(gspca_dev);
947                 gpio_set(sd, SQ930_GPIO_EXTRA2 | SQ930_GPIO_RSTBAR, 0x00ff);
948                 goto out;
949         case SENSOR_LZ24BP:
950                 ucbus_write(gspca_dev, lz24bp_start_0,
951                                 ARRAY_SIZE(lz24bp_start_0),
952                                 8);
953                 if (sd->type != Creative_live_motion)
954                         ucbus_write(gspca_dev, lz24bp_start_1_gen,
955                                         ARRAY_SIZE(lz24bp_start_1_gen),
956                                         5);
957                 else
958                         ucbus_write(gspca_dev, lz24bp_start_1_clm,
959                                         ARRAY_SIZE(lz24bp_start_1_clm),
960                                         5);
961                 ucbus_write(gspca_dev, lz24bp_start_2,
962                                 ARRAY_SIZE(lz24bp_start_2),
963                                 6);
964                 mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
965                 lz24bp_ppl(sd, mode == 1 ? 0x0564 : 0x0310);
966                 msleep(10);
967                 break;
968         case SENSOR_MI0360:
969                 ucbus_write(gspca_dev, mi0360_start_0,
970                                 ARRAY_SIZE(mi0360_start_0),
971                                 8);
972                 i2c_write(sd, mi0360_init_23,
973                                 ARRAY_SIZE(mi0360_init_23));
974                 i2c_write(sd, mi0360_init_24,
975                                 ARRAY_SIZE(mi0360_init_24));
976                 i2c_write(sd, mi0360_init_25,
977                                 ARRAY_SIZE(mi0360_init_25));
978                 ucbus_write(gspca_dev, mi0360_start_1,
979                                 ARRAY_SIZE(mi0360_start_1),
980                                 5);
981                 i2c_write(sd, mi0360_start_2,
982                                 ARRAY_SIZE(mi0360_start_2));
983                 i2c_write(sd, mi0360_start_3,
984                                 ARRAY_SIZE(mi0360_start_3));
985
986                 /* 1st start */
987                 send_start(gspca_dev);
988                 msleep(60);
989                 send_stop(gspca_dev);
990
991                 i2c_write(sd,
992                         mi0360_start_4, ARRAY_SIZE(mi0360_start_4));
993                 break;
994         default:
995 /*      case SENSOR_MT9V111: */
996                 ucbus_write(gspca_dev, mi0360_start_0,
997                                 ARRAY_SIZE(mi0360_start_0),
998                                 8);
999                 i2c_write(sd, mt9v111_init_0,
1000                                 ARRAY_SIZE(mt9v111_init_0));
1001                 i2c_write(sd, mt9v111_init_1,
1002                                 ARRAY_SIZE(mt9v111_init_1));
1003                 i2c_write(sd, mt9v111_init_2,
1004                                 ARRAY_SIZE(mt9v111_init_2));
1005                 ucbus_write(gspca_dev, mt9v111_start_1,
1006                                 ARRAY_SIZE(mt9v111_start_1),
1007                                 5);
1008                 i2c_write(sd, mt9v111_init_3,
1009                                 ARRAY_SIZE(mt9v111_init_3));
1010                 i2c_write(sd, mt9v111_init_4,
1011                                 ARRAY_SIZE(mt9v111_init_4));
1012                 break;
1013         }
1014
1015         send_start(gspca_dev);
1016 out:
1017         msleep(1000);
1018
1019         if (sd->sensor == SENSOR_MT9V111)
1020                 gpio_set(sd, SQ930_GPIO_DFL_LED, SQ930_GPIO_DFL_LED);
1021
1022         sd->do_ctrl = 1;        /* set the exposure */
1023
1024         return gspca_dev->usb_err;
1025 }
1026
1027 static void sd_stopN(struct gspca_dev *gspca_dev)
1028 {
1029         struct sd *sd = (struct sd *) gspca_dev;
1030
1031         if (sd->sensor == SENSOR_MT9V111)
1032                 gpio_set(sd, 0, SQ930_GPIO_DFL_LED);
1033         send_stop(gspca_dev);
1034 }
1035
1036 /* function called when the application gets a new frame */
1037 /* It sets the exposure if required and restart the bulk transfer. */
1038 static void sd_dq_callback(struct gspca_dev *gspca_dev)
1039 {
1040         struct sd *sd = (struct sd *) gspca_dev;
1041         int ret;
1042
1043         if (!sd->do_ctrl || gspca_dev->cam.bulk_nurbs != 0)
1044                 return;
1045         sd->do_ctrl = 0;
1046
1047         setexposure(gspca_dev, v4l2_ctrl_g_ctrl(sd->exposure),
1048                         v4l2_ctrl_g_ctrl(sd->gain));
1049
1050         gspca_dev->cam.bulk_nurbs = 1;
1051         ret = usb_submit_urb(gspca_dev->urb[0], GFP_ATOMIC);
1052         if (ret < 0)
1053                 pr_err("sd_dq_callback() err %d\n", ret);
1054
1055         /* wait a little time, otherwise the webcam crashes */
1056         msleep(100);
1057 }
1058
1059 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
1060                         u8 *data,               /* isoc packet */
1061                         int len)                /* iso packet length */
1062 {
1063         struct sd *sd = (struct sd *) gspca_dev;
1064
1065         if (sd->do_ctrl)
1066                 gspca_dev->cam.bulk_nurbs = 0;
1067         gspca_frame_add(gspca_dev, FIRST_PACKET, NULL, 0);
1068         gspca_frame_add(gspca_dev, INTER_PACKET, data, len - 8);
1069         gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
1070 }
1071
1072 static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
1073 {
1074         struct gspca_dev *gspca_dev =
1075                 container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
1076         struct sd *sd = (struct sd *) gspca_dev;
1077
1078         gspca_dev->usb_err = 0;
1079
1080         if (!gspca_dev->streaming)
1081                 return 0;
1082
1083         switch (ctrl->id) {
1084         case V4L2_CID_EXPOSURE:
1085                 setexposure(gspca_dev, ctrl->val, sd->gain->val);
1086                 break;
1087         }
1088         return gspca_dev->usb_err;
1089 }
1090
1091 static const struct v4l2_ctrl_ops sd_ctrl_ops = {
1092         .s_ctrl = sd_s_ctrl,
1093 };
1094
1095 static int sd_init_controls(struct gspca_dev *gspca_dev)
1096 {
1097         struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
1098         struct sd *sd = (struct sd *) gspca_dev;
1099
1100         gspca_dev->vdev.ctrl_handler = hdl;
1101         v4l2_ctrl_handler_init(hdl, 2);
1102         sd->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1103                         V4L2_CID_EXPOSURE, 1, 0xfff, 1, 0x356);
1104         sd->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1105                         V4L2_CID_GAIN, 1, 255, 1, 0x8d);
1106
1107         if (hdl->error) {
1108                 pr_err("Could not initialize controls\n");
1109                 return hdl->error;
1110         }
1111         v4l2_ctrl_cluster(2, &sd->exposure);
1112         return 0;
1113 }
1114
1115 /* sub-driver description */
1116 static const struct sd_desc sd_desc = {
1117         .name   = MODULE_NAME,
1118         .config = sd_config,
1119         .init   = sd_init,
1120         .init_controls = sd_init_controls,
1121         .isoc_init = sd_isoc_init,
1122         .start  = sd_start,
1123         .stopN  = sd_stopN,
1124         .pkt_scan = sd_pkt_scan,
1125         .dq_callback = sd_dq_callback,
1126 };
1127
1128 /* Table of supported USB devices */
1129 #define ST(sensor, type) \
1130         .driver_info = (SENSOR_ ## sensor << 8) \
1131                         | (type)
1132 static const struct usb_device_id device_table[] = {
1133         {USB_DEVICE(0x041e, 0x4038), ST(MI0360, 0)},
1134         {USB_DEVICE(0x041e, 0x403c), ST(LZ24BP, 0)},
1135         {USB_DEVICE(0x041e, 0x403d), ST(LZ24BP, 0)},
1136         {USB_DEVICE(0x041e, 0x4041), ST(LZ24BP, Creative_live_motion)},
1137         {USB_DEVICE(0x2770, 0x930b), ST(MI0360, 0)},
1138         {USB_DEVICE(0x2770, 0x930c), ST(MI0360, 0)},
1139         {}
1140 };
1141 MODULE_DEVICE_TABLE(usb, device_table);
1142
1143
1144 /* -- device connect -- */
1145 static int sd_probe(struct usb_interface *intf,
1146                 const struct usb_device_id *id)
1147 {
1148         return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1149                         THIS_MODULE);
1150 }
1151
1152 static struct usb_driver sd_driver = {
1153         .name       = MODULE_NAME,
1154         .id_table   = device_table,
1155         .probe      = sd_probe,
1156         .disconnect = gspca_disconnect,
1157 #ifdef CONFIG_PM
1158         .suspend    = gspca_suspend,
1159         .resume     = gspca_resume,
1160         .reset_resume = gspca_resume,
1161 #endif
1162 };
1163
1164 module_usb_driver(sd_driver);