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
reg_r(struct gspca_dev * gspca_dev,u16 value,int len)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
reg_w(struct gspca_dev * gspca_dev,u16 value,u16 index)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
reg_wb(struct gspca_dev * gspca_dev,u16 value,u16 index,const u8 * data,int len)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
i2c_write(struct sd * sd,const struct i2c_write_cmd * cmd,int ncmds)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
ucbus_write(struct gspca_dev * gspca_dev,const struct ucbus_write_cmd * cmd,int ncmds,int batchsize)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
gpio_set(struct sd * sd,u16 val,u16 mask)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
gpio_init(struct sd * sd,const u8 * gpio)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
bridge_init(struct sd * sd)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
cmos_probe(struct gspca_dev * gspca_dev)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
mt9v111_init(struct gspca_dev * gspca_dev)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
global_init(struct sd * sd,int first_time)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
lz24bp_ppl(struct sd * sd,u16 ppl)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
setexposure(struct gspca_dev * gspca_dev,s32 expo,s32 gain)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 */
sd_config(struct gspca_dev * gspca_dev,const struct usb_device_id * id)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 */
sd_init(struct gspca_dev * gspca_dev)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 */
send_start(struct gspca_dev * gspca_dev)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
send_stop(struct gspca_dev * gspca_dev)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 */
sd_isoc_init(struct gspca_dev * gspca_dev)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 */
sd_start(struct gspca_dev * gspca_dev)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
sd_stopN(struct gspca_dev * gspca_dev)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. */
sd_dq_callback(struct gspca_dev * gspca_dev)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
sd_pkt_scan(struct gspca_dev * gspca_dev,u8 * data,int len)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
sd_s_ctrl(struct v4l2_ctrl * ctrl)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
sd_init_controls(struct gspca_dev * gspca_dev)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 -- */
sd_probe(struct usb_interface * intf,const struct usb_device_id * id)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);
1169