GNU Linux-libre 4.9.284-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  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21  */
22
23 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
24
25 #define MODULE_NAME "sq930x"
26
27 #include "gspca.h"
28
29 MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>\n"
30                 "Gerard Klaver <gerard at gkall dot hobby dot nl\n"
31                 "Sam Revitch <samr7@cs.washington.edu>");
32 MODULE_DESCRIPTION("GSPCA/SQ930x USB Camera Driver");
33 MODULE_LICENSE("GPL");
34
35 /* Structure to hold all of our device specific stuff */
36 struct sd {
37         struct gspca_dev gspca_dev;     /* !! must be the first item */
38
39         struct { /* exposure/gain control cluster */
40                 struct v4l2_ctrl *exposure;
41                 struct v4l2_ctrl *gain;
42         };
43
44         u8 do_ctrl;
45         u8 gpio[2];
46         u8 sensor;
47         u8 type;
48 #define Generic 0
49 #define Creative_live_motion 1
50 };
51 enum sensors {
52         SENSOR_ICX098BQ,
53         SENSOR_LZ24BP,
54         SENSOR_MI0360,
55         SENSOR_MT9V111,         /* = MI360SOC */
56         SENSOR_OV7660,
57         SENSOR_OV9630,
58 };
59
60 static struct v4l2_pix_format vga_mode[] = {
61         {320, 240, V4L2_PIX_FMT_SRGGB8, V4L2_FIELD_NONE,
62                 .bytesperline = 320,
63                 .sizeimage = 320 * 240,
64                 .colorspace = V4L2_COLORSPACE_SRGB,
65                 .priv = 0},
66         {640, 480, V4L2_PIX_FMT_SRGGB8, V4L2_FIELD_NONE,
67                 .bytesperline = 640,
68                 .sizeimage = 640 * 480,
69                 .colorspace = V4L2_COLORSPACE_SRGB,
70                 .priv = 1},
71 };
72
73 /* sq930x registers */
74 #define SQ930_CTRL_UCBUS_IO     0x0001
75 #define SQ930_CTRL_I2C_IO       0x0002
76 #define SQ930_CTRL_GPIO         0x0005
77 #define SQ930_CTRL_CAP_START    0x0010
78 #define SQ930_CTRL_CAP_STOP     0x0011
79 #define SQ930_CTRL_SET_EXPOSURE 0x001d
80 #define SQ930_CTRL_RESET        0x001e
81 #define SQ930_CTRL_GET_DEV_INFO 0x001f
82
83 /* gpio 1 (8..15) */
84 #define SQ930_GPIO_DFL_I2C_SDA  0x0001
85 #define SQ930_GPIO_DFL_I2C_SCL  0x0002
86 #define SQ930_GPIO_RSTBAR       0x0004
87 #define SQ930_GPIO_EXTRA1       0x0040
88 #define SQ930_GPIO_EXTRA2       0x0080
89 /* gpio 3 (24..31) */
90 #define SQ930_GPIO_POWER        0x0200
91 #define SQ930_GPIO_DFL_LED      0x1000
92
93 struct ucbus_write_cmd {
94         u16     bw_addr;
95         u8      bw_data;
96 };
97 struct i2c_write_cmd {
98         u8      reg;
99         u16     val;
100 };
101
102 static const struct ucbus_write_cmd icx098bq_start_0[] = {
103         {0x0354, 0x00}, {0x03fa, 0x00}, {0xf800, 0x02}, {0xf801, 0xce},
104         {0xf802, 0xc1}, {0xf804, 0x00}, {0xf808, 0x00}, {0xf809, 0x0e},
105         {0xf80a, 0x01}, {0xf80b, 0xee}, {0xf807, 0x60}, {0xf80c, 0x02},
106         {0xf80d, 0xf0}, {0xf80e, 0x03}, {0xf80f, 0x0a}, {0xf81c, 0x02},
107         {0xf81d, 0xf0}, {0xf81e, 0x03}, {0xf81f, 0x0a}, {0xf83a, 0x00},
108         {0xf83b, 0x10}, {0xf83c, 0x00}, {0xf83d, 0x4e}, {0xf810, 0x04},
109         {0xf811, 0x00}, {0xf812, 0x02}, {0xf813, 0x10}, {0xf803, 0x00},
110         {0xf814, 0x01}, {0xf815, 0x18}, {0xf816, 0x00}, {0xf817, 0x48},
111         {0xf818, 0x00}, {0xf819, 0x25}, {0xf81a, 0x00}, {0xf81b, 0x3c},
112         {0xf82f, 0x03}, {0xf820, 0xff}, {0xf821, 0x0d}, {0xf822, 0xff},
113         {0xf823, 0x07}, {0xf824, 0xff}, {0xf825, 0x03}, {0xf826, 0xff},
114         {0xf827, 0x06}, {0xf828, 0xff}, {0xf829, 0x03}, {0xf82a, 0xff},
115         {0xf82b, 0x0c}, {0xf82c, 0xfd}, {0xf82d, 0x01}, {0xf82e, 0x00},
116         {0xf830, 0x00}, {0xf831, 0x47}, {0xf832, 0x00}, {0xf833, 0x00},
117         {0xf850, 0x00}, {0xf851, 0x00}, {0xf852, 0x00}, {0xf853, 0x24},
118         {0xf854, 0x00}, {0xf855, 0x18}, {0xf856, 0x00}, {0xf857, 0x3c},
119         {0xf858, 0x00}, {0xf859, 0x0c}, {0xf85a, 0x00}, {0xf85b, 0x30},
120         {0xf85c, 0x00}, {0xf85d, 0x0c}, {0xf85e, 0x00}, {0xf85f, 0x30},
121         {0xf860, 0x00}, {0xf861, 0x48}, {0xf862, 0x01}, {0xf863, 0xdc},
122         {0xf864, 0xff}, {0xf865, 0x98}, {0xf866, 0xff}, {0xf867, 0xc0},
123         {0xf868, 0xff}, {0xf869, 0x70}, {0xf86c, 0xff}, {0xf86d, 0x00},
124         {0xf86a, 0xff}, {0xf86b, 0x48}, {0xf86e, 0xff}, {0xf86f, 0x00},
125         {0xf870, 0x01}, {0xf871, 0xdb}, {0xf872, 0x01}, {0xf873, 0xfa},
126         {0xf874, 0x01}, {0xf875, 0xdb}, {0xf876, 0x01}, {0xf877, 0xfa},
127         {0xf878, 0x0f}, {0xf879, 0x0f}, {0xf87a, 0xff}, {0xf87b, 0xff},
128         {0xf800, 0x03}
129 };
130 static const struct ucbus_write_cmd icx098bq_start_1[] = {
131         {0xf5f0, 0x00}, {0xf5f1, 0xcd}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
132         {0xf5f4, 0xc0},
133         {0xf5f0, 0x49}, {0xf5f1, 0xcd}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
134         {0xf5f4, 0xc0},
135         {0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
136         {0xf5f9, 0x00}
137 };
138
139 static const struct ucbus_write_cmd icx098bq_start_2[] = {
140         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x82}, {0xf806, 0x00},
141         {0xf807, 0x7f}, {0xf800, 0x03},
142         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x40}, {0xf806, 0x00},
143         {0xf807, 0x7f}, {0xf800, 0x03},
144         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0xcf}, {0xf806, 0xd0},
145         {0xf807, 0x7f}, {0xf800, 0x03},
146         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x00}, {0xf806, 0x00},
147         {0xf807, 0x7f}, {0xf800, 0x03}
148 };
149
150 static const struct ucbus_write_cmd lz24bp_start_0[] = {
151         {0x0354, 0x00}, {0x03fa, 0x00}, {0xf800, 0x02}, {0xf801, 0xbe},
152         {0xf802, 0xc6}, {0xf804, 0x00}, {0xf808, 0x00}, {0xf809, 0x06},
153         {0xf80a, 0x01}, {0xf80b, 0xfe}, {0xf807, 0x84}, {0xf80c, 0x02},
154         {0xf80d, 0xf7}, {0xf80e, 0x03}, {0xf80f, 0x0b}, {0xf81c, 0x00},
155         {0xf81d, 0x49}, {0xf81e, 0x03}, {0xf81f, 0x0b}, {0xf83a, 0x00},
156         {0xf83b, 0x01}, {0xf83c, 0x00}, {0xf83d, 0x6b}, {0xf810, 0x03},
157         {0xf811, 0x10}, {0xf812, 0x02}, {0xf813, 0x6f}, {0xf803, 0x00},
158         {0xf814, 0x00}, {0xf815, 0x44}, {0xf816, 0x00}, {0xf817, 0x48},
159         {0xf818, 0x00}, {0xf819, 0x25}, {0xf81a, 0x00}, {0xf81b, 0x3c},
160         {0xf82f, 0x03}, {0xf820, 0xff}, {0xf821, 0x0d}, {0xf822, 0xff},
161         {0xf823, 0x07}, {0xf824, 0xfd}, {0xf825, 0x07}, {0xf826, 0xf0},
162         {0xf827, 0x0c}, {0xf828, 0xff}, {0xf829, 0x03}, {0xf82a, 0xff},
163         {0xf82b, 0x0c}, {0xf82c, 0xfc}, {0xf82d, 0x01}, {0xf82e, 0x00},
164         {0xf830, 0x00}, {0xf831, 0x47}, {0xf832, 0x00}, {0xf833, 0x00},
165         {0xf850, 0x00}, {0xf851, 0x00}, {0xf852, 0x00}, {0xf853, 0x24},
166         {0xf854, 0x00}, {0xf855, 0x0c}, {0xf856, 0x00}, {0xf857, 0x30},
167         {0xf858, 0x00}, {0xf859, 0x18}, {0xf85a, 0x00}, {0xf85b, 0x3c},
168         {0xf85c, 0x00}, {0xf85d, 0x18}, {0xf85e, 0x00}, {0xf85f, 0x3c},
169         {0xf860, 0xff}, {0xf861, 0x37}, {0xf862, 0xff}, {0xf863, 0x1d},
170         {0xf864, 0xff}, {0xf865, 0x98}, {0xf866, 0xff}, {0xf867, 0xc0},
171         {0xf868, 0x00}, {0xf869, 0x37}, {0xf86c, 0x02}, {0xf86d, 0x1d},
172         {0xf86a, 0x00}, {0xf86b, 0x37}, {0xf86e, 0x02}, {0xf86f, 0x1d},
173         {0xf870, 0x01}, {0xf871, 0xc6}, {0xf872, 0x02}, {0xf873, 0x04},
174         {0xf874, 0x01}, {0xf875, 0xc6}, {0xf876, 0x02}, {0xf877, 0x04},
175         {0xf878, 0x0f}, {0xf879, 0x0f}, {0xf87a, 0xff}, {0xf87b, 0xff},
176         {0xf800, 0x03}
177 };
178 static const struct ucbus_write_cmd lz24bp_start_1_gen[] = {
179         {0xf5f0, 0x00}, {0xf5f1, 0xff}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
180         {0xf5f4, 0xb3},
181         {0xf5f0, 0x40}, {0xf5f1, 0xff}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
182         {0xf5f4, 0xb3},
183         {0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
184         {0xf5f9, 0x00}
185 };
186
187 static const struct ucbus_write_cmd lz24bp_start_1_clm[] = {
188         {0xf5f0, 0x00}, {0xf5f1, 0xff}, {0xf5f2, 0x88}, {0xf5f3, 0x88},
189         {0xf5f4, 0xc0},
190         {0xf5f0, 0x40}, {0xf5f1, 0xff}, {0xf5f2, 0x88}, {0xf5f3, 0x88},
191         {0xf5f4, 0xc0},
192         {0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
193         {0xf5f9, 0x00}
194 };
195
196 static const struct ucbus_write_cmd lz24bp_start_2[] = {
197         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x80}, {0xf806, 0x00},
198         {0xf807, 0x7f}, {0xf800, 0x03},
199         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x4e}, {0xf806, 0x00},
200         {0xf807, 0x7f}, {0xf800, 0x03},
201         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0xc0}, {0xf806, 0x48},
202         {0xf807, 0x7f}, {0xf800, 0x03},
203         {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x00}, {0xf806, 0x00},
204         {0xf807, 0x7f}, {0xf800, 0x03}
205 };
206
207 static const struct ucbus_write_cmd mi0360_start_0[] = {
208         {0x0354, 0x00}, {0x03fa, 0x00}, {0xf332, 0xcc}, {0xf333, 0xcc},
209         {0xf334, 0xcc}, {0xf335, 0xcc}, {0xf33f, 0x00}
210 };
211 static const struct i2c_write_cmd mi0360_init_23[] = {
212         {0x30, 0x0040},         /* reserved - def 0x0005 */
213         {0x31, 0x0000},         /* reserved - def 0x002a */
214         {0x34, 0x0100},         /* reserved - def 0x0100 */
215         {0x3d, 0x068f},         /* reserved - def 0x068f */
216 };
217 static const struct i2c_write_cmd mi0360_init_24[] = {
218         {0x03, 0x01e5},         /* window height */
219         {0x04, 0x0285},         /* window width */
220 };
221 static const struct i2c_write_cmd mi0360_init_25[] = {
222         {0x35, 0x0020},         /* global gain */
223         {0x2b, 0x0020},         /* green1 gain */
224         {0x2c, 0x002a},         /* blue gain */
225         {0x2d, 0x0028},         /* red gain */
226         {0x2e, 0x0020},         /* green2 gain */
227 };
228 static const struct ucbus_write_cmd mi0360_start_1[] = {
229         {0xf5f0, 0x11}, {0xf5f1, 0x99}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
230         {0xf5f4, 0xa6},
231         {0xf5f0, 0x51}, {0xf5f1, 0x99}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
232         {0xf5f4, 0xa6},
233         {0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
234         {0xf5f9, 0x00}
235 };
236 static const struct i2c_write_cmd mi0360_start_2[] = {
237         {0x62, 0x041d},         /* reserved - def 0x0418 */
238 };
239 static const struct i2c_write_cmd mi0360_start_3[] = {
240         {0x05, 0x007b},         /* horiz blanking */
241 };
242 static const struct i2c_write_cmd mi0360_start_4[] = {
243         {0x05, 0x03f5},         /* horiz blanking */
244 };
245
246 static const struct i2c_write_cmd mt9v111_init_0[] = {
247         {0x01, 0x0001},         /* select IFP/SOC registers */
248         {0x06, 0x300c},         /* operating mode control */
249         {0x08, 0xcc00},         /* output format control (RGB) */
250         {0x01, 0x0004},         /* select sensor core registers */
251 };
252 static const struct i2c_write_cmd mt9v111_init_1[] = {
253         {0x03, 0x01e5},         /* window height */
254         {0x04, 0x0285},         /* window width */
255 };
256 static const struct i2c_write_cmd mt9v111_init_2[] = {
257         {0x30, 0x7800},
258         {0x31, 0x0000},
259         {0x07, 0x3002},         /* output control */
260         {0x35, 0x0020},         /* global gain */
261         {0x2b, 0x0020},         /* green1 gain */
262         {0x2c, 0x0020},         /* blue gain */
263         {0x2d, 0x0020},         /* red gain */
264         {0x2e, 0x0020},         /* green2 gain */
265 };
266 static const struct ucbus_write_cmd mt9v111_start_1[] = {
267         {0xf5f0, 0x11}, {0xf5f1, 0x96}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
268         {0xf5f4, 0xaa},
269         {0xf5f0, 0x51}, {0xf5f1, 0x96}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
270         {0xf5f4, 0xaa},
271         {0xf5fa, 0x00}, {0xf5f6, 0x0a}, {0xf5f7, 0x0a}, {0xf5f8, 0x0a},
272         {0xf5f9, 0x0a}
273 };
274 static const struct i2c_write_cmd mt9v111_init_3[] = {
275         {0x62, 0x0405},
276 };
277 static const struct i2c_write_cmd mt9v111_init_4[] = {
278 /*      {0x05, 0x00ce}, */
279         {0x05, 0x005d},         /* horizontal blanking */
280 };
281
282 static const struct ucbus_write_cmd ov7660_start_0[] = {
283         {0x0354, 0x00}, {0x03fa, 0x00}, {0xf332, 0x00}, {0xf333, 0xc0},
284         {0xf334, 0x39}, {0xf335, 0xe7}, {0xf33f, 0x03}
285 };
286
287 static const struct ucbus_write_cmd ov9630_start_0[] = {
288         {0x0354, 0x00}, {0x03fa, 0x00}, {0xf332, 0x00}, {0xf333, 0x00},
289         {0xf334, 0x3e}, {0xf335, 0xf8}, {0xf33f, 0x03}
290 };
291
292 /* start parameters indexed by [sensor][mode] */
293 static const struct cap_s {
294         u8      cc_sizeid;
295         u8      cc_bytes[32];
296 } capconfig[4][2] = {
297         [SENSOR_ICX098BQ] = {
298                 {2,                             /* Bayer 320x240 */
299                   {0x05, 0x1f, 0x20, 0x0e, 0x00, 0x9f, 0x02, 0xee,
300                    0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
301                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
302                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
303                 {4,                             /* Bayer 640x480 */
304                   {0x01, 0x1f, 0x20, 0x0e, 0x00, 0x9f, 0x02, 0xee,
305                    0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
306                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
307                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
308         },
309         [SENSOR_LZ24BP] = {
310                 {2,                             /* Bayer 320x240 */
311                   {0x05, 0x22, 0x20, 0x0e, 0x00, 0xa2, 0x02, 0xee,
312                    0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
313                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
314                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
315                 {4,                             /* Bayer 640x480 */
316                   {0x01, 0x22, 0x20, 0x0e, 0x00, 0xa2, 0x02, 0xee,
317                    0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
318                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
319                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
320         },
321         [SENSOR_MI0360] = {
322                 {2,                             /* Bayer 320x240 */
323                   {0x05, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
324                    0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
325                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
326                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
327                 {4,                             /* Bayer 640x480 */
328                   {0x01, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
329                    0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
330                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
331                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
332         },
333         [SENSOR_MT9V111] = {
334                 {2,                             /* Bayer 320x240 */
335                   {0x05, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
336                    0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
337                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
338                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
339                 {4,                             /* Bayer 640x480 */
340                   {0x01, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
341                    0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
342                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
343                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
344         },
345 };
346
347 struct sensor_s {
348         const char *name;
349         u8 i2c_addr;
350         u8 i2c_dum;
351         u8 gpio[5];
352         u8 cmd_len;
353         const struct ucbus_write_cmd *cmd;
354 };
355
356 static const struct sensor_s sensor_tb[] = {
357         [SENSOR_ICX098BQ] = {
358                 "icx098bp",
359                 0x00, 0x00,
360                 {0,
361                  SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
362                  SQ930_GPIO_DFL_I2C_SDA,
363                  0,
364                  SQ930_GPIO_RSTBAR
365                 },
366                 8, icx098bq_start_0
367             },
368         [SENSOR_LZ24BP] = {
369                 "lz24bp",
370                 0x00, 0x00,
371                 {0,
372                  SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
373                  SQ930_GPIO_DFL_I2C_SDA,
374                  0,
375                  SQ930_GPIO_RSTBAR
376                 },
377                 8, lz24bp_start_0
378             },
379         [SENSOR_MI0360] = {
380                 "mi0360",
381                 0x5d, 0x80,
382                 {SQ930_GPIO_RSTBAR,
383                  SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
384                  SQ930_GPIO_DFL_I2C_SDA,
385                  0,
386                  0
387                 },
388                 7, mi0360_start_0
389             },
390         [SENSOR_MT9V111] = {
391                 "mt9v111",
392                 0x5c, 0x7f,
393                 {SQ930_GPIO_RSTBAR,
394                  SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
395                  SQ930_GPIO_DFL_I2C_SDA,
396                  0,
397                  0
398                 },
399                 7, mi0360_start_0
400             },
401         [SENSOR_OV7660] = {
402                 "ov7660",
403                 0x21, 0x00,
404                 {0,
405                  SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
406                  SQ930_GPIO_DFL_I2C_SDA,
407                  0,
408                  SQ930_GPIO_RSTBAR
409                 },
410                 7, ov7660_start_0
411             },
412         [SENSOR_OV9630] = {
413                 "ov9630",
414                 0x30, 0x00,
415                 {0,
416                  SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
417                  SQ930_GPIO_DFL_I2C_SDA,
418                  0,
419                  SQ930_GPIO_RSTBAR
420                 },
421                 7, ov9630_start_0
422             },
423 };
424
425 static void reg_r(struct gspca_dev *gspca_dev,
426                 u16 value, int len)
427 {
428         int ret;
429
430         if (gspca_dev->usb_err < 0)
431                 return;
432         ret = usb_control_msg(gspca_dev->dev,
433                         usb_rcvctrlpipe(gspca_dev->dev, 0),
434                         0x0c,
435                         USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
436                         value, 0, gspca_dev->usb_buf, len,
437                         500);
438         if (ret < 0) {
439                 pr_err("reg_r %04x failed %d\n", value, ret);
440                 gspca_dev->usb_err = ret;
441                 /*
442                  * Make sure the buffer is zeroed to avoid uninitialized
443                  * values.
444                  */
445                 memset(gspca_dev->usb_buf, 0, USB_BUF_SZ);
446         }
447 }
448
449 static void reg_w(struct gspca_dev *gspca_dev, u16 value, u16 index)
450 {
451         int ret;
452
453         if (gspca_dev->usb_err < 0)
454                 return;
455         PDEBUG(D_USBO, "reg_w v: %04x i: %04x", value, index);
456         ret = usb_control_msg(gspca_dev->dev,
457                         usb_sndctrlpipe(gspca_dev->dev, 0),
458                         0x0c,                   /* request */
459                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
460                         value, index, NULL, 0,
461                         500);
462         msleep(30);
463         if (ret < 0) {
464                 pr_err("reg_w %04x %04x failed %d\n", value, index, ret);
465                 gspca_dev->usb_err = ret;
466         }
467 }
468
469 static void reg_wb(struct gspca_dev *gspca_dev, u16 value, u16 index,
470                 const u8 *data, int len)
471 {
472         int ret;
473
474         if (gspca_dev->usb_err < 0)
475                 return;
476         PDEBUG(D_USBO, "reg_wb v: %04x i: %04x %02x...%02x",
477                         value, index, *data, data[len - 1]);
478         memcpy(gspca_dev->usb_buf, data, len);
479         ret = usb_control_msg(gspca_dev->dev,
480                         usb_sndctrlpipe(gspca_dev->dev, 0),
481                         0x0c,                   /* request */
482                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
483                         value, index, gspca_dev->usb_buf, len,
484                         1000);
485         msleep(30);
486         if (ret < 0) {
487                 pr_err("reg_wb %04x %04x failed %d\n", value, index, ret);
488                 gspca_dev->usb_err = ret;
489         }
490 }
491
492 static void i2c_write(struct sd *sd,
493                         const struct i2c_write_cmd *cmd,
494                         int ncmds)
495 {
496         struct gspca_dev *gspca_dev = &sd->gspca_dev;
497         const struct sensor_s *sensor;
498         u16 val, idx;
499         u8 *buf;
500         int ret;
501
502         if (gspca_dev->usb_err < 0)
503                 return;
504
505         sensor = &sensor_tb[sd->sensor];
506
507         val = (sensor->i2c_addr << 8) | SQ930_CTRL_I2C_IO;
508         idx = (cmd->val & 0xff00) | cmd->reg;
509
510         buf = gspca_dev->usb_buf;
511         *buf++ = sensor->i2c_dum;
512         *buf++ = cmd->val;
513
514         while (--ncmds > 0) {
515                 cmd++;
516                 *buf++ = cmd->reg;
517                 *buf++ = cmd->val >> 8;
518                 *buf++ = sensor->i2c_dum;
519                 *buf++ = cmd->val;
520         }
521
522         PDEBUG(D_USBO, "i2c_w v: %04x i: %04x %02x...%02x",
523                         val, idx, gspca_dev->usb_buf[0], buf[-1]);
524         ret = usb_control_msg(gspca_dev->dev,
525                         usb_sndctrlpipe(gspca_dev->dev, 0),
526                         0x0c,                   /* request */
527                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
528                         val, idx,
529                         gspca_dev->usb_buf, buf - gspca_dev->usb_buf,
530                         500);
531         if (ret < 0) {
532                 pr_err("i2c_write failed %d\n", ret);
533                 gspca_dev->usb_err = ret;
534         }
535 }
536
537 static void ucbus_write(struct gspca_dev *gspca_dev,
538                         const struct ucbus_write_cmd *cmd,
539                         int ncmds,
540                         int batchsize)
541 {
542         u8 *buf;
543         u16 val, idx;
544         int len, ret;
545
546         if (gspca_dev->usb_err < 0)
547                 return;
548
549         if ((batchsize - 1) * 3 > USB_BUF_SZ) {
550                 PERR("Bug: usb_buf overflow\n");
551                 gspca_dev->usb_err = -ENOMEM;
552                 return;
553         }
554
555         for (;;) {
556                 len = ncmds;
557                 if (len > batchsize)
558                         len = batchsize;
559                 ncmds -= len;
560
561                 val = (cmd->bw_addr << 8) | SQ930_CTRL_UCBUS_IO;
562                 idx = (cmd->bw_data << 8) | (cmd->bw_addr >> 8);
563
564                 buf = gspca_dev->usb_buf;
565                 while (--len > 0) {
566                         cmd++;
567                         *buf++ = cmd->bw_addr;
568                         *buf++ = cmd->bw_addr >> 8;
569                         *buf++ = cmd->bw_data;
570                 }
571                 if (buf != gspca_dev->usb_buf)
572                         PDEBUG(D_USBO, "ucbus v: %04x i: %04x %02x...%02x",
573                                         val, idx,
574                                         gspca_dev->usb_buf[0], buf[-1]);
575                 else
576                         PDEBUG(D_USBO, "ucbus v: %04x i: %04x",
577                                         val, idx);
578                 ret = usb_control_msg(gspca_dev->dev,
579                                 usb_sndctrlpipe(gspca_dev->dev, 0),
580                                 0x0c,                   /* request */
581                            USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
582                                 val, idx,
583                                 gspca_dev->usb_buf, buf - gspca_dev->usb_buf,
584                                 500);
585                 if (ret < 0) {
586                         pr_err("ucbus_write failed %d\n", ret);
587                         gspca_dev->usb_err = ret;
588                         return;
589                 }
590                 msleep(30);
591                 if (ncmds <= 0)
592                         break;
593                 cmd++;
594         }
595 }
596
597 static void gpio_set(struct sd *sd, u16 val, u16 mask)
598 {
599         struct gspca_dev *gspca_dev = &sd->gspca_dev;
600
601         if (mask & 0x00ff) {
602                 sd->gpio[0] &= ~mask;
603                 sd->gpio[0] |= val;
604                 reg_w(gspca_dev, 0x0100 | SQ930_CTRL_GPIO,
605                         ~sd->gpio[0] << 8);
606         }
607         mask >>= 8;
608         val >>= 8;
609         if (mask) {
610                 sd->gpio[1] &= ~mask;
611                 sd->gpio[1] |= val;
612                 reg_w(gspca_dev, 0x0300 | SQ930_CTRL_GPIO,
613                         ~sd->gpio[1] << 8);
614         }
615 }
616
617 static void gpio_init(struct sd *sd,
618                         const u8 *gpio)
619 {
620         gpio_set(sd, *gpio++, 0x000f);
621         gpio_set(sd, *gpio++, 0x000f);
622         gpio_set(sd, *gpio++, 0x000f);
623         gpio_set(sd, *gpio++, 0x000f);
624         gpio_set(sd, *gpio, 0x000f);
625 }
626
627 static void bridge_init(struct sd *sd)
628 {
629         static const struct ucbus_write_cmd clkfreq_cmd = {
630                                 0xf031, 0       /* SQ930_CLKFREQ_60MHZ */
631         };
632
633         ucbus_write(&sd->gspca_dev, &clkfreq_cmd, 1, 1);
634
635         gpio_set(sd, SQ930_GPIO_POWER, 0xff00);
636 }
637
638 static void cmos_probe(struct gspca_dev *gspca_dev)
639 {
640         struct sd *sd = (struct sd *) gspca_dev;
641         int i;
642         const struct sensor_s *sensor;
643         static const u8 probe_order[] = {
644 /*              SENSOR_LZ24BP,          (tested as ccd) */
645                 SENSOR_OV9630,
646                 SENSOR_MI0360,
647                 SENSOR_OV7660,
648                 SENSOR_MT9V111,
649         };
650
651         for (i = 0; i < ARRAY_SIZE(probe_order); i++) {
652                 sensor = &sensor_tb[probe_order[i]];
653                 ucbus_write(&sd->gspca_dev, sensor->cmd, sensor->cmd_len, 8);
654                 gpio_init(sd, sensor->gpio);
655                 msleep(100);
656                 reg_r(gspca_dev, (sensor->i2c_addr << 8) | 0x001c, 1);
657                 msleep(100);
658                 if (gspca_dev->usb_buf[0] != 0)
659                         break;
660         }
661         if (i >= ARRAY_SIZE(probe_order)) {
662                 pr_err("Unknown sensor\n");
663                 gspca_dev->usb_err = -EINVAL;
664                 return;
665         }
666         sd->sensor = probe_order[i];
667         switch (sd->sensor) {
668         case SENSOR_OV7660:
669         case SENSOR_OV9630:
670                 pr_err("Sensor %s not yet treated\n",
671                        sensor_tb[sd->sensor].name);
672                 gspca_dev->usb_err = -EINVAL;
673                 break;
674         }
675 }
676
677 static void mt9v111_init(struct gspca_dev *gspca_dev)
678 {
679         int i, nwait;
680         static const u8 cmd_001b[] = {
681                 0x00, 0x3b, 0xf6, 0x01, 0x03, 0x02, 0x00, 0x00,
682                 0x00, 0x00, 0x00
683         };
684         static const u8 cmd_011b[][7] = {
685                 {0x10, 0x01, 0x66, 0x08, 0x00, 0x00, 0x00},
686                 {0x01, 0x00, 0x1a, 0x04, 0x00, 0x00, 0x00},
687                 {0x20, 0x00, 0x10, 0x04, 0x00, 0x00, 0x00},
688                 {0x02, 0x01, 0xae, 0x01, 0x00, 0x00, 0x00},
689         };
690
691         reg_wb(gspca_dev, 0x001b, 0x0000, cmd_001b, sizeof cmd_001b);
692         for (i = 0; i < ARRAY_SIZE(cmd_011b); i++) {
693                 reg_wb(gspca_dev, 0x001b, 0x0000, cmd_011b[i],
694                                 ARRAY_SIZE(cmd_011b[0]));
695                 msleep(400);
696                 nwait = 20;
697                 for (;;) {
698                         reg_r(gspca_dev, 0x031b, 1);
699                         if (gspca_dev->usb_buf[0] == 0
700                          || gspca_dev->usb_err != 0)
701                                 break;
702                         if (--nwait < 0) {
703                                 PDEBUG(D_PROBE, "mt9v111_init timeout");
704                                 gspca_dev->usb_err = -ETIME;
705                                 return;
706                         }
707                         msleep(50);
708                 }
709         }
710 }
711
712 static void global_init(struct sd *sd, int first_time)
713 {
714         switch (sd->sensor) {
715         case SENSOR_ICX098BQ:
716                 if (first_time)
717                         ucbus_write(&sd->gspca_dev,
718                                         icx098bq_start_0,
719                                         8, 8);
720                 gpio_init(sd, sensor_tb[sd->sensor].gpio);
721                 break;
722         case SENSOR_LZ24BP:
723                 if (sd->type != Creative_live_motion)
724                         gpio_set(sd, SQ930_GPIO_EXTRA1, 0x00ff);
725                 else
726                         gpio_set(sd, 0, 0x00ff);
727                 msleep(50);
728                 if (first_time)
729                         ucbus_write(&sd->gspca_dev,
730                                         lz24bp_start_0,
731                                         8, 8);
732                 gpio_init(sd, sensor_tb[sd->sensor].gpio);
733                 break;
734         case SENSOR_MI0360:
735                 if (first_time)
736                         ucbus_write(&sd->gspca_dev,
737                                         mi0360_start_0,
738                                         ARRAY_SIZE(mi0360_start_0),
739                                         8);
740                 gpio_init(sd, sensor_tb[sd->sensor].gpio);
741                 gpio_set(sd, SQ930_GPIO_EXTRA2, SQ930_GPIO_EXTRA2);
742                 break;
743         default:
744 /*      case SENSOR_MT9V111: */
745                 if (first_time)
746                         mt9v111_init(&sd->gspca_dev);
747                 else
748                         gpio_init(sd, sensor_tb[sd->sensor].gpio);
749                 break;
750         }
751 }
752
753 static void lz24bp_ppl(struct sd *sd, u16 ppl)
754 {
755         struct ucbus_write_cmd cmds[2] = {
756                 {0xf810, ppl >> 8},
757                 {0xf811, ppl}
758         };
759
760         ucbus_write(&sd->gspca_dev, cmds, ARRAY_SIZE(cmds), 2);
761 }
762
763 static void setexposure(struct gspca_dev *gspca_dev, s32 expo, s32 gain)
764 {
765         struct sd *sd = (struct sd *) gspca_dev;
766         int i, integclks, intstartclk, frameclks, min_frclk;
767         const struct sensor_s *sensor;
768         u16 cmd;
769         u8 buf[15];
770
771         integclks = expo;
772         i = 0;
773         cmd = SQ930_CTRL_SET_EXPOSURE;
774
775         switch (sd->sensor) {
776         case SENSOR_ICX098BQ:                   /* ccd */
777         case SENSOR_LZ24BP:
778                 min_frclk = sd->sensor == SENSOR_ICX098BQ ? 0x210 : 0x26f;
779                 if (integclks >= min_frclk) {
780                         intstartclk = 0;
781                         frameclks = integclks;
782                 } else {
783                         intstartclk = min_frclk - integclks;
784                         frameclks = min_frclk;
785                 }
786                 buf[i++] = intstartclk >> 8;
787                 buf[i++] = intstartclk;
788                 buf[i++] = frameclks >> 8;
789                 buf[i++] = frameclks;
790                 buf[i++] = gain;
791                 break;
792         default:                                /* cmos */
793 /*      case SENSOR_MI0360: */
794 /*      case SENSOR_MT9V111: */
795                 cmd |= 0x0100;
796                 sensor = &sensor_tb[sd->sensor];
797                 buf[i++] = sensor->i2c_addr;    /* i2c_slave_addr */
798                 buf[i++] = 0x08;        /* 2 * ni2c */
799                 buf[i++] = 0x09;        /* reg = shutter width */
800                 buf[i++] = integclks >> 8; /* val H */
801                 buf[i++] = sensor->i2c_dum;
802                 buf[i++] = integclks;   /* val L */
803                 buf[i++] = 0x35;        /* reg = global gain */
804                 buf[i++] = 0x00;        /* val H */
805                 buf[i++] = sensor->i2c_dum;
806                 buf[i++] = 0x80 + gain / 2; /* val L */
807                 buf[i++] = 0x00;
808                 buf[i++] = 0x00;
809                 buf[i++] = 0x00;
810                 buf[i++] = 0x00;
811                 buf[i++] = 0x83;
812                 break;
813         }
814         reg_wb(gspca_dev, cmd, 0, buf, i);
815 }
816
817 /* This function is called at probe time just before sd_init */
818 static int sd_config(struct gspca_dev *gspca_dev,
819                 const struct usb_device_id *id)
820 {
821         struct sd *sd = (struct sd *) gspca_dev;
822         struct cam *cam = &gspca_dev->cam;
823
824         sd->sensor = id->driver_info >> 8;
825         sd->type = id->driver_info;
826
827         cam->cam_mode = vga_mode;
828         cam->nmodes = ARRAY_SIZE(vga_mode);
829
830         cam->bulk = 1;
831
832         return 0;
833 }
834
835 /* this function is called at probe and resume time */
836 static int sd_init(struct gspca_dev *gspca_dev)
837 {
838         struct sd *sd = (struct sd *) gspca_dev;
839
840         sd->gpio[0] = sd->gpio[1] = 0xff;       /* force gpio rewrite */
841
842 /*fixme: is this needed for icx098bp and mi0360?
843         if (sd->sensor != SENSOR_LZ24BP)
844                 reg_w(gspca_dev, SQ930_CTRL_RESET, 0x0000);
845  */
846
847         reg_r(gspca_dev, SQ930_CTRL_GET_DEV_INFO, 8);
848         if (gspca_dev->usb_err < 0)
849                 return gspca_dev->usb_err;
850
851 /* it returns:
852  * 03 00 12 93 0b f6 c9 00      live! ultra
853  * 03 00 07 93 0b f6 ca 00      live! ultra for notebook
854  * 03 00 12 93 0b fe c8 00      Trust WB-3500T
855  * 02 00 06 93 0b fe c8 00      Joy-IT 318S
856  * 03 00 12 93 0b f6 cf 00      icam tracer - sensor icx098bq
857  * 02 00 12 93 0b fe cf 00      ProQ Motion Webcam
858  *
859  * byte
860  * 0: 02 = usb 1.0 (12Mbit) / 03 = usb2.0 (480Mbit)
861  * 1: 00
862  * 2: 06 / 07 / 12 = mode webcam? firmware??
863  * 3: 93 chip = 930b (930b or 930c)
864  * 4: 0b
865  * 5: f6 = cdd (icx098bq, lz24bp) / fe or de = cmos (i2c) (other sensors)
866  * 6: c8 / c9 / ca / cf = mode webcam?, sensor? webcam?
867  * 7: 00
868  */
869         PDEBUG(D_PROBE, "info: %*ph", 8, gspca_dev->usb_buf);
870
871         bridge_init(sd);
872
873         if (sd->sensor == SENSOR_MI0360) {
874
875                 /* no sensor probe for icam tracer */
876                 if (gspca_dev->usb_buf[5] == 0xf6)      /* if ccd */
877                         sd->sensor = SENSOR_ICX098BQ;
878                 else
879                         cmos_probe(gspca_dev);
880         }
881         if (gspca_dev->usb_err >= 0) {
882                 PDEBUG(D_PROBE, "Sensor %s", sensor_tb[sd->sensor].name);
883                 global_init(sd, 1);
884         }
885         return gspca_dev->usb_err;
886 }
887
888 /* send the start/stop commands to the webcam */
889 static void send_start(struct gspca_dev *gspca_dev)
890 {
891         struct sd *sd = (struct sd *) gspca_dev;
892         const struct cap_s *cap;
893         int mode;
894
895         mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
896         cap = &capconfig[sd->sensor][mode];
897         reg_wb(gspca_dev, 0x0900 | SQ930_CTRL_CAP_START,
898                         0x0a00 | cap->cc_sizeid,
899                         cap->cc_bytes, 32);
900 }
901
902 static void send_stop(struct gspca_dev *gspca_dev)
903 {
904         reg_w(gspca_dev, SQ930_CTRL_CAP_STOP, 0);
905 }
906
907 /* function called at start time before URB creation */
908 static int sd_isoc_init(struct gspca_dev *gspca_dev)
909 {
910         struct sd *sd = (struct sd *) gspca_dev;
911
912         gspca_dev->cam.bulk_nurbs = 1;  /* there must be one URB only */
913         sd->do_ctrl = 0;
914         gspca_dev->cam.bulk_size = gspca_dev->pixfmt.width *
915                         gspca_dev->pixfmt.height + 8;
916         return 0;
917 }
918
919 /* start the capture */
920 static int sd_start(struct gspca_dev *gspca_dev)
921 {
922         struct sd *sd = (struct sd *) gspca_dev;
923         int mode;
924
925         bridge_init(sd);
926         global_init(sd, 0);
927         msleep(100);
928
929         switch (sd->sensor) {
930         case SENSOR_ICX098BQ:
931                 ucbus_write(gspca_dev, icx098bq_start_0,
932                                 ARRAY_SIZE(icx098bq_start_0),
933                                 8);
934                 ucbus_write(gspca_dev, icx098bq_start_1,
935                                 ARRAY_SIZE(icx098bq_start_1),
936                                 5);
937                 ucbus_write(gspca_dev, icx098bq_start_2,
938                                 ARRAY_SIZE(icx098bq_start_2),
939                                 6);
940                 msleep(50);
941
942                 /* 1st start */
943                 send_start(gspca_dev);
944                 gpio_set(sd, SQ930_GPIO_EXTRA2 | SQ930_GPIO_RSTBAR, 0x00ff);
945                 msleep(70);
946                 reg_w(gspca_dev, SQ930_CTRL_CAP_STOP, 0x0000);
947                 gpio_set(sd, 0x7f, 0x00ff);
948
949                 /* 2nd start */
950                 send_start(gspca_dev);
951                 gpio_set(sd, SQ930_GPIO_EXTRA2 | SQ930_GPIO_RSTBAR, 0x00ff);
952                 goto out;
953         case SENSOR_LZ24BP:
954                 ucbus_write(gspca_dev, lz24bp_start_0,
955                                 ARRAY_SIZE(lz24bp_start_0),
956                                 8);
957                 if (sd->type != Creative_live_motion)
958                         ucbus_write(gspca_dev, lz24bp_start_1_gen,
959                                         ARRAY_SIZE(lz24bp_start_1_gen),
960                                         5);
961                 else
962                         ucbus_write(gspca_dev, lz24bp_start_1_clm,
963                                         ARRAY_SIZE(lz24bp_start_1_clm),
964                                         5);
965                 ucbus_write(gspca_dev, lz24bp_start_2,
966                                 ARRAY_SIZE(lz24bp_start_2),
967                                 6);
968                 mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
969                 lz24bp_ppl(sd, mode == 1 ? 0x0564 : 0x0310);
970                 msleep(10);
971                 break;
972         case SENSOR_MI0360:
973                 ucbus_write(gspca_dev, mi0360_start_0,
974                                 ARRAY_SIZE(mi0360_start_0),
975                                 8);
976                 i2c_write(sd, mi0360_init_23,
977                                 ARRAY_SIZE(mi0360_init_23));
978                 i2c_write(sd, mi0360_init_24,
979                                 ARRAY_SIZE(mi0360_init_24));
980                 i2c_write(sd, mi0360_init_25,
981                                 ARRAY_SIZE(mi0360_init_25));
982                 ucbus_write(gspca_dev, mi0360_start_1,
983                                 ARRAY_SIZE(mi0360_start_1),
984                                 5);
985                 i2c_write(sd, mi0360_start_2,
986                                 ARRAY_SIZE(mi0360_start_2));
987                 i2c_write(sd, mi0360_start_3,
988                                 ARRAY_SIZE(mi0360_start_3));
989
990                 /* 1st start */
991                 send_start(gspca_dev);
992                 msleep(60);
993                 send_stop(gspca_dev);
994
995                 i2c_write(sd,
996                         mi0360_start_4, ARRAY_SIZE(mi0360_start_4));
997                 break;
998         default:
999 /*      case SENSOR_MT9V111: */
1000                 ucbus_write(gspca_dev, mi0360_start_0,
1001                                 ARRAY_SIZE(mi0360_start_0),
1002                                 8);
1003                 i2c_write(sd, mt9v111_init_0,
1004                                 ARRAY_SIZE(mt9v111_init_0));
1005                 i2c_write(sd, mt9v111_init_1,
1006                                 ARRAY_SIZE(mt9v111_init_1));
1007                 i2c_write(sd, mt9v111_init_2,
1008                                 ARRAY_SIZE(mt9v111_init_2));
1009                 ucbus_write(gspca_dev, mt9v111_start_1,
1010                                 ARRAY_SIZE(mt9v111_start_1),
1011                                 5);
1012                 i2c_write(sd, mt9v111_init_3,
1013                                 ARRAY_SIZE(mt9v111_init_3));
1014                 i2c_write(sd, mt9v111_init_4,
1015                                 ARRAY_SIZE(mt9v111_init_4));
1016                 break;
1017         }
1018
1019         send_start(gspca_dev);
1020 out:
1021         msleep(1000);
1022
1023         if (sd->sensor == SENSOR_MT9V111)
1024                 gpio_set(sd, SQ930_GPIO_DFL_LED, SQ930_GPIO_DFL_LED);
1025
1026         sd->do_ctrl = 1;        /* set the exposure */
1027
1028         return gspca_dev->usb_err;
1029 }
1030
1031 static void sd_stopN(struct gspca_dev *gspca_dev)
1032 {
1033         struct sd *sd = (struct sd *) gspca_dev;
1034
1035         if (sd->sensor == SENSOR_MT9V111)
1036                 gpio_set(sd, 0, SQ930_GPIO_DFL_LED);
1037         send_stop(gspca_dev);
1038 }
1039
1040 /* function called when the application gets a new frame */
1041 /* It sets the exposure if required and restart the bulk transfer. */
1042 static void sd_dq_callback(struct gspca_dev *gspca_dev)
1043 {
1044         struct sd *sd = (struct sd *) gspca_dev;
1045         int ret;
1046
1047         if (!sd->do_ctrl || gspca_dev->cam.bulk_nurbs != 0)
1048                 return;
1049         sd->do_ctrl = 0;
1050
1051         setexposure(gspca_dev, v4l2_ctrl_g_ctrl(sd->exposure),
1052                         v4l2_ctrl_g_ctrl(sd->gain));
1053
1054         gspca_dev->cam.bulk_nurbs = 1;
1055         ret = usb_submit_urb(gspca_dev->urb[0], GFP_ATOMIC);
1056         if (ret < 0)
1057                 pr_err("sd_dq_callback() err %d\n", ret);
1058
1059         /* wait a little time, otherwise the webcam crashes */
1060         msleep(100);
1061 }
1062
1063 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
1064                         u8 *data,               /* isoc packet */
1065                         int len)                /* iso packet length */
1066 {
1067         struct sd *sd = (struct sd *) gspca_dev;
1068
1069         if (sd->do_ctrl)
1070                 gspca_dev->cam.bulk_nurbs = 0;
1071         gspca_frame_add(gspca_dev, FIRST_PACKET, NULL, 0);
1072         gspca_frame_add(gspca_dev, INTER_PACKET, data, len - 8);
1073         gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
1074 }
1075
1076 static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
1077 {
1078         struct gspca_dev *gspca_dev =
1079                 container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
1080         struct sd *sd = (struct sd *) gspca_dev;
1081
1082         gspca_dev->usb_err = 0;
1083
1084         if (!gspca_dev->streaming)
1085                 return 0;
1086
1087         switch (ctrl->id) {
1088         case V4L2_CID_EXPOSURE:
1089                 setexposure(gspca_dev, ctrl->val, sd->gain->val);
1090                 break;
1091         }
1092         return gspca_dev->usb_err;
1093 }
1094
1095 static const struct v4l2_ctrl_ops sd_ctrl_ops = {
1096         .s_ctrl = sd_s_ctrl,
1097 };
1098
1099 static int sd_init_controls(struct gspca_dev *gspca_dev)
1100 {
1101         struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
1102         struct sd *sd = (struct sd *) gspca_dev;
1103
1104         gspca_dev->vdev.ctrl_handler = hdl;
1105         v4l2_ctrl_handler_init(hdl, 2);
1106         sd->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1107                         V4L2_CID_EXPOSURE, 1, 0xfff, 1, 0x356);
1108         sd->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1109                         V4L2_CID_GAIN, 1, 255, 1, 0x8d);
1110
1111         if (hdl->error) {
1112                 pr_err("Could not initialize controls\n");
1113                 return hdl->error;
1114         }
1115         v4l2_ctrl_cluster(2, &sd->exposure);
1116         return 0;
1117 }
1118
1119 /* sub-driver description */
1120 static const struct sd_desc sd_desc = {
1121         .name   = MODULE_NAME,
1122         .config = sd_config,
1123         .init   = sd_init,
1124         .init_controls = sd_init_controls,
1125         .isoc_init = sd_isoc_init,
1126         .start  = sd_start,
1127         .stopN  = sd_stopN,
1128         .pkt_scan = sd_pkt_scan,
1129         .dq_callback = sd_dq_callback,
1130 };
1131
1132 /* Table of supported USB devices */
1133 #define ST(sensor, type) \
1134         .driver_info = (SENSOR_ ## sensor << 8) \
1135                         | (type)
1136 static const struct usb_device_id device_table[] = {
1137         {USB_DEVICE(0x041e, 0x4038), ST(MI0360, 0)},
1138         {USB_DEVICE(0x041e, 0x403c), ST(LZ24BP, 0)},
1139         {USB_DEVICE(0x041e, 0x403d), ST(LZ24BP, 0)},
1140         {USB_DEVICE(0x041e, 0x4041), ST(LZ24BP, Creative_live_motion)},
1141         {USB_DEVICE(0x2770, 0x930b), ST(MI0360, 0)},
1142         {USB_DEVICE(0x2770, 0x930c), ST(MI0360, 0)},
1143         {}
1144 };
1145 MODULE_DEVICE_TABLE(usb, device_table);
1146
1147
1148 /* -- device connect -- */
1149 static int sd_probe(struct usb_interface *intf,
1150                 const struct usb_device_id *id)
1151 {
1152         return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1153                         THIS_MODULE);
1154 }
1155
1156 static struct usb_driver sd_driver = {
1157         .name       = MODULE_NAME,
1158         .id_table   = device_table,
1159         .probe      = sd_probe,
1160         .disconnect = gspca_disconnect,
1161 #ifdef CONFIG_PM
1162         .suspend    = gspca_suspend,
1163         .resume     = gspca_resume,
1164         .reset_resume = gspca_resume,
1165 #endif
1166 };
1167
1168 module_usb_driver(sd_driver);