1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * SQ930x subdriver
4 *
5 * Copyright (C) 2010 Jean-François Moine <http://moinejf.free.fr>
6 * Copyright (C) 2006 -2008 Gerard Klaver <gerard at gkall dot hobby dot nl>
7 * Copyright (C) 2007 Sam Revitch <samr7@cs.washington.edu>
8 */
9
10 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
11
12 #define MODULE_NAME "sq930x"
13
14 #include "gspca.h"
15
16 MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>\n"
17 "Gerard Klaver <gerard at gkall dot hobby dot nl\n"
18 "Sam Revitch <samr7@cs.washington.edu>");
19 MODULE_DESCRIPTION("GSPCA/SQ930x USB Camera Driver");
20 MODULE_LICENSE("GPL");
21
22 /* Structure to hold all of our device specific stuff */
23 struct sd {
24 struct gspca_dev gspca_dev; /* !! must be the first item */
25
26 struct { /* exposure/gain control cluster */
27 struct v4l2_ctrl *exposure;
28 struct v4l2_ctrl *gain;
29 };
30
31 u8 do_ctrl;
32 u8 gpio[2];
33 u8 sensor;
34 u8 type;
35 #define Generic 0
36 #define Creative_live_motion 1
37 };
38 enum sensors {
39 SENSOR_ICX098BQ,
40 SENSOR_LZ24BP,
41 SENSOR_MI0360,
42 SENSOR_MT9V111, /* = MI360SOC */
43 SENSOR_OV7660,
44 SENSOR_OV9630,
45 };
46
47 static struct v4l2_pix_format vga_mode[] = {
48 {320, 240, V4L2_PIX_FMT_SRGGB8, V4L2_FIELD_NONE,
49 .bytesperline = 320,
50 .sizeimage = 320 * 240,
51 .colorspace = V4L2_COLORSPACE_SRGB,
52 .priv = 0},
53 {640, 480, V4L2_PIX_FMT_SRGGB8, V4L2_FIELD_NONE,
54 .bytesperline = 640,
55 .sizeimage = 640 * 480,
56 .colorspace = V4L2_COLORSPACE_SRGB,
57 .priv = 1},
58 };
59
60 /* sq930x registers */
61 #define SQ930_CTRL_UCBUS_IO 0x0001
62 #define SQ930_CTRL_I2C_IO 0x0002
63 #define SQ930_CTRL_GPIO 0x0005
64 #define SQ930_CTRL_CAP_START 0x0010
65 #define SQ930_CTRL_CAP_STOP 0x0011
66 #define SQ930_CTRL_SET_EXPOSURE 0x001d
67 #define SQ930_CTRL_RESET 0x001e
68 #define SQ930_CTRL_GET_DEV_INFO 0x001f
69
70 /* gpio 1 (8..15) */
71 #define SQ930_GPIO_DFL_I2C_SDA 0x0001
72 #define SQ930_GPIO_DFL_I2C_SCL 0x0002
73 #define SQ930_GPIO_RSTBAR 0x0004
74 #define SQ930_GPIO_EXTRA1 0x0040
75 #define SQ930_GPIO_EXTRA2 0x0080
76 /* gpio 3 (24..31) */
77 #define SQ930_GPIO_POWER 0x0200
78 #define SQ930_GPIO_DFL_LED 0x1000
79
80 struct ucbus_write_cmd {
81 u16 bw_addr;
82 u8 bw_data;
83 };
84 struct i2c_write_cmd {
85 u8 reg;
86 u16 val;
87 };
88
89 static const struct ucbus_write_cmd icx098bq_start_0[] = {
90 {0x0354, 0x00}, {0x03fa, 0x00}, {0xf800, 0x02}, {0xf801, 0xce},
91 {0xf802, 0xc1}, {0xf804, 0x00}, {0xf808, 0x00}, {0xf809, 0x0e},
92 {0xf80a, 0x01}, {0xf80b, 0xee}, {0xf807, 0x60}, {0xf80c, 0x02},
93 {0xf80d, 0xf0}, {0xf80e, 0x03}, {0xf80f, 0x0a}, {0xf81c, 0x02},
94 {0xf81d, 0xf0}, {0xf81e, 0x03}, {0xf81f, 0x0a}, {0xf83a, 0x00},
95 {0xf83b, 0x10}, {0xf83c, 0x00}, {0xf83d, 0x4e}, {0xf810, 0x04},
96 {0xf811, 0x00}, {0xf812, 0x02}, {0xf813, 0x10}, {0xf803, 0x00},
97 {0xf814, 0x01}, {0xf815, 0x18}, {0xf816, 0x00}, {0xf817, 0x48},
98 {0xf818, 0x00}, {0xf819, 0x25}, {0xf81a, 0x00}, {0xf81b, 0x3c},
99 {0xf82f, 0x03}, {0xf820, 0xff}, {0xf821, 0x0d}, {0xf822, 0xff},
100 {0xf823, 0x07}, {0xf824, 0xff}, {0xf825, 0x03}, {0xf826, 0xff},
101 {0xf827, 0x06}, {0xf828, 0xff}, {0xf829, 0x03}, {0xf82a, 0xff},
102 {0xf82b, 0x0c}, {0xf82c, 0xfd}, {0xf82d, 0x01}, {0xf82e, 0x00},
103 {0xf830, 0x00}, {0xf831, 0x47}, {0xf832, 0x00}, {0xf833, 0x00},
104 {0xf850, 0x00}, {0xf851, 0x00}, {0xf852, 0x00}, {0xf853, 0x24},
105 {0xf854, 0x00}, {0xf855, 0x18}, {0xf856, 0x00}, {0xf857, 0x3c},
106 {0xf858, 0x00}, {0xf859, 0x0c}, {0xf85a, 0x00}, {0xf85b, 0x30},
107 {0xf85c, 0x00}, {0xf85d, 0x0c}, {0xf85e, 0x00}, {0xf85f, 0x30},
108 {0xf860, 0x00}, {0xf861, 0x48}, {0xf862, 0x01}, {0xf863, 0xdc},
109 {0xf864, 0xff}, {0xf865, 0x98}, {0xf866, 0xff}, {0xf867, 0xc0},
110 {0xf868, 0xff}, {0xf869, 0x70}, {0xf86c, 0xff}, {0xf86d, 0x00},
111 {0xf86a, 0xff}, {0xf86b, 0x48}, {0xf86e, 0xff}, {0xf86f, 0x00},
112 {0xf870, 0x01}, {0xf871, 0xdb}, {0xf872, 0x01}, {0xf873, 0xfa},
113 {0xf874, 0x01}, {0xf875, 0xdb}, {0xf876, 0x01}, {0xf877, 0xfa},
114 {0xf878, 0x0f}, {0xf879, 0x0f}, {0xf87a, 0xff}, {0xf87b, 0xff},
115 {0xf800, 0x03}
116 };
117 static const struct ucbus_write_cmd icx098bq_start_1[] = {
118 {0xf5f0, 0x00}, {0xf5f1, 0xcd}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
119 {0xf5f4, 0xc0},
120 {0xf5f0, 0x49}, {0xf5f1, 0xcd}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
121 {0xf5f4, 0xc0},
122 {0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
123 {0xf5f9, 0x00}
124 };
125
126 static const struct ucbus_write_cmd icx098bq_start_2[] = {
127 {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x82}, {0xf806, 0x00},
128 {0xf807, 0x7f}, {0xf800, 0x03},
129 {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x40}, {0xf806, 0x00},
130 {0xf807, 0x7f}, {0xf800, 0x03},
131 {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0xcf}, {0xf806, 0xd0},
132 {0xf807, 0x7f}, {0xf800, 0x03},
133 {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x00}, {0xf806, 0x00},
134 {0xf807, 0x7f}, {0xf800, 0x03}
135 };
136
137 static const struct ucbus_write_cmd lz24bp_start_0[] = {
138 {0x0354, 0x00}, {0x03fa, 0x00}, {0xf800, 0x02}, {0xf801, 0xbe},
139 {0xf802, 0xc6}, {0xf804, 0x00}, {0xf808, 0x00}, {0xf809, 0x06},
140 {0xf80a, 0x01}, {0xf80b, 0xfe}, {0xf807, 0x84}, {0xf80c, 0x02},
141 {0xf80d, 0xf7}, {0xf80e, 0x03}, {0xf80f, 0x0b}, {0xf81c, 0x00},
142 {0xf81d, 0x49}, {0xf81e, 0x03}, {0xf81f, 0x0b}, {0xf83a, 0x00},
143 {0xf83b, 0x01}, {0xf83c, 0x00}, {0xf83d, 0x6b}, {0xf810, 0x03},
144 {0xf811, 0x10}, {0xf812, 0x02}, {0xf813, 0x6f}, {0xf803, 0x00},
145 {0xf814, 0x00}, {0xf815, 0x44}, {0xf816, 0x00}, {0xf817, 0x48},
146 {0xf818, 0x00}, {0xf819, 0x25}, {0xf81a, 0x00}, {0xf81b, 0x3c},
147 {0xf82f, 0x03}, {0xf820, 0xff}, {0xf821, 0x0d}, {0xf822, 0xff},
148 {0xf823, 0x07}, {0xf824, 0xfd}, {0xf825, 0x07}, {0xf826, 0xf0},
149 {0xf827, 0x0c}, {0xf828, 0xff}, {0xf829, 0x03}, {0xf82a, 0xff},
150 {0xf82b, 0x0c}, {0xf82c, 0xfc}, {0xf82d, 0x01}, {0xf82e, 0x00},
151 {0xf830, 0x00}, {0xf831, 0x47}, {0xf832, 0x00}, {0xf833, 0x00},
152 {0xf850, 0x00}, {0xf851, 0x00}, {0xf852, 0x00}, {0xf853, 0x24},
153 {0xf854, 0x00}, {0xf855, 0x0c}, {0xf856, 0x00}, {0xf857, 0x30},
154 {0xf858, 0x00}, {0xf859, 0x18}, {0xf85a, 0x00}, {0xf85b, 0x3c},
155 {0xf85c, 0x00}, {0xf85d, 0x18}, {0xf85e, 0x00}, {0xf85f, 0x3c},
156 {0xf860, 0xff}, {0xf861, 0x37}, {0xf862, 0xff}, {0xf863, 0x1d},
157 {0xf864, 0xff}, {0xf865, 0x98}, {0xf866, 0xff}, {0xf867, 0xc0},
158 {0xf868, 0x00}, {0xf869, 0x37}, {0xf86c, 0x02}, {0xf86d, 0x1d},
159 {0xf86a, 0x00}, {0xf86b, 0x37}, {0xf86e, 0x02}, {0xf86f, 0x1d},
160 {0xf870, 0x01}, {0xf871, 0xc6}, {0xf872, 0x02}, {0xf873, 0x04},
161 {0xf874, 0x01}, {0xf875, 0xc6}, {0xf876, 0x02}, {0xf877, 0x04},
162 {0xf878, 0x0f}, {0xf879, 0x0f}, {0xf87a, 0xff}, {0xf87b, 0xff},
163 {0xf800, 0x03}
164 };
165 static const struct ucbus_write_cmd lz24bp_start_1_gen[] = {
166 {0xf5f0, 0x00}, {0xf5f1, 0xff}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
167 {0xf5f4, 0xb3},
168 {0xf5f0, 0x40}, {0xf5f1, 0xff}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
169 {0xf5f4, 0xb3},
170 {0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
171 {0xf5f9, 0x00}
172 };
173
174 static const struct ucbus_write_cmd lz24bp_start_1_clm[] = {
175 {0xf5f0, 0x00}, {0xf5f1, 0xff}, {0xf5f2, 0x88}, {0xf5f3, 0x88},
176 {0xf5f4, 0xc0},
177 {0xf5f0, 0x40}, {0xf5f1, 0xff}, {0xf5f2, 0x88}, {0xf5f3, 0x88},
178 {0xf5f4, 0xc0},
179 {0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
180 {0xf5f9, 0x00}
181 };
182
183 static const struct ucbus_write_cmd lz24bp_start_2[] = {
184 {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x80}, {0xf806, 0x00},
185 {0xf807, 0x7f}, {0xf800, 0x03},
186 {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x4e}, {0xf806, 0x00},
187 {0xf807, 0x7f}, {0xf800, 0x03},
188 {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0xc0}, {0xf806, 0x48},
189 {0xf807, 0x7f}, {0xf800, 0x03},
190 {0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x00}, {0xf806, 0x00},
191 {0xf807, 0x7f}, {0xf800, 0x03}
192 };
193
194 static const struct ucbus_write_cmd mi0360_start_0[] = {
195 {0x0354, 0x00}, {0x03fa, 0x00}, {0xf332, 0xcc}, {0xf333, 0xcc},
196 {0xf334, 0xcc}, {0xf335, 0xcc}, {0xf33f, 0x00}
197 };
198 static const struct i2c_write_cmd mi0360_init_23[] = {
199 {0x30, 0x0040}, /* reserved - def 0x0005 */
200 {0x31, 0x0000}, /* reserved - def 0x002a */
201 {0x34, 0x0100}, /* reserved - def 0x0100 */
202 {0x3d, 0x068f}, /* reserved - def 0x068f */
203 };
204 static const struct i2c_write_cmd mi0360_init_24[] = {
205 {0x03, 0x01e5}, /* window height */
206 {0x04, 0x0285}, /* window width */
207 };
208 static const struct i2c_write_cmd mi0360_init_25[] = {
209 {0x35, 0x0020}, /* global gain */
210 {0x2b, 0x0020}, /* green1 gain */
211 {0x2c, 0x002a}, /* blue gain */
212 {0x2d, 0x0028}, /* red gain */
213 {0x2e, 0x0020}, /* green2 gain */
214 };
215 static const struct ucbus_write_cmd mi0360_start_1[] = {
216 {0xf5f0, 0x11}, {0xf5f1, 0x99}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
217 {0xf5f4, 0xa6},
218 {0xf5f0, 0x51}, {0xf5f1, 0x99}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
219 {0xf5f4, 0xa6},
220 {0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
221 {0xf5f9, 0x00}
222 };
223 static const struct i2c_write_cmd mi0360_start_2[] = {
224 {0x62, 0x041d}, /* reserved - def 0x0418 */
225 };
226 static const struct i2c_write_cmd mi0360_start_3[] = {
227 {0x05, 0x007b}, /* horiz blanking */
228 };
229 static const struct i2c_write_cmd mi0360_start_4[] = {
230 {0x05, 0x03f5}, /* horiz blanking */
231 };
232
233 static const struct i2c_write_cmd mt9v111_init_0[] = {
234 {0x01, 0x0001}, /* select IFP/SOC registers */
235 {0x06, 0x300c}, /* operating mode control */
236 {0x08, 0xcc00}, /* output format control (RGB) */
237 {0x01, 0x0004}, /* select sensor core registers */
238 };
239 static const struct i2c_write_cmd mt9v111_init_1[] = {
240 {0x03, 0x01e5}, /* window height */
241 {0x04, 0x0285}, /* window width */
242 };
243 static const struct i2c_write_cmd mt9v111_init_2[] = {
244 {0x30, 0x7800},
245 {0x31, 0x0000},
246 {0x07, 0x3002}, /* output control */
247 {0x35, 0x0020}, /* global gain */
248 {0x2b, 0x0020}, /* green1 gain */
249 {0x2c, 0x0020}, /* blue gain */
250 {0x2d, 0x0020}, /* red gain */
251 {0x2e, 0x0020}, /* green2 gain */
252 };
253 static const struct ucbus_write_cmd mt9v111_start_1[] = {
254 {0xf5f0, 0x11}, {0xf5f1, 0x96}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
255 {0xf5f4, 0xaa},
256 {0xf5f0, 0x51}, {0xf5f1, 0x96}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
257 {0xf5f4, 0xaa},
258 {0xf5fa, 0x00}, {0xf5f6, 0x0a}, {0xf5f7, 0x0a}, {0xf5f8, 0x0a},
259 {0xf5f9, 0x0a}
260 };
261 static const struct i2c_write_cmd mt9v111_init_3[] = {
262 {0x62, 0x0405},
263 };
264 static const struct i2c_write_cmd mt9v111_init_4[] = {
265 /* {0x05, 0x00ce}, */
266 {0x05, 0x005d}, /* horizontal blanking */
267 };
268
269 static const struct ucbus_write_cmd ov7660_start_0[] = {
270 {0x0354, 0x00}, {0x03fa, 0x00}, {0xf332, 0x00}, {0xf333, 0xc0},
271 {0xf334, 0x39}, {0xf335, 0xe7}, {0xf33f, 0x03}
272 };
273
274 static const struct ucbus_write_cmd ov9630_start_0[] = {
275 {0x0354, 0x00}, {0x03fa, 0x00}, {0xf332, 0x00}, {0xf333, 0x00},
276 {0xf334, 0x3e}, {0xf335, 0xf8}, {0xf33f, 0x03}
277 };
278
279 /* start parameters indexed by [sensor][mode] */
280 static const struct cap_s {
281 u8 cc_sizeid;
282 u8 cc_bytes[32];
283 } capconfig[4][2] = {
284 [SENSOR_ICX098BQ] = {
285 {2, /* Bayer 320x240 */
286 {0x05, 0x1f, 0x20, 0x0e, 0x00, 0x9f, 0x02, 0xee,
287 0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
288 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
289 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
290 {4, /* Bayer 640x480 */
291 {0x01, 0x1f, 0x20, 0x0e, 0x00, 0x9f, 0x02, 0xee,
292 0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
293 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
294 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
295 },
296 [SENSOR_LZ24BP] = {
297 {2, /* Bayer 320x240 */
298 {0x05, 0x22, 0x20, 0x0e, 0x00, 0xa2, 0x02, 0xee,
299 0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
300 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
301 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
302 {4, /* Bayer 640x480 */
303 {0x01, 0x22, 0x20, 0x0e, 0x00, 0xa2, 0x02, 0xee,
304 0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
305 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
306 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
307 },
308 [SENSOR_MI0360] = {
309 {2, /* Bayer 320x240 */
310 {0x05, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
311 0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
312 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
313 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
314 {4, /* Bayer 640x480 */
315 {0x01, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
316 0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
317 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
318 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
319 },
320 [SENSOR_MT9V111] = {
321 {2, /* Bayer 320x240 */
322 {0x05, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
323 0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
324 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
325 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
326 {4, /* Bayer 640x480 */
327 {0x01, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
328 0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
329 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
330 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
331 },
332 };
333
334 struct sensor_s {
335 const char *name;
336 u8 i2c_addr;
337 u8 i2c_dum;
338 u8 gpio[5];
339 u8 cmd_len;
340 const struct ucbus_write_cmd *cmd;
341 };
342
343 static const struct sensor_s sensor_tb[] = {
344 [SENSOR_ICX098BQ] = {
345 "icx098bp",
346 0x00, 0x00,
347 {0,
348 SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
349 SQ930_GPIO_DFL_I2C_SDA,
350 0,
351 SQ930_GPIO_RSTBAR
352 },
353 8, icx098bq_start_0
354 },
355 [SENSOR_LZ24BP] = {
356 "lz24bp",
357 0x00, 0x00,
358 {0,
359 SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
360 SQ930_GPIO_DFL_I2C_SDA,
361 0,
362 SQ930_GPIO_RSTBAR
363 },
364 8, lz24bp_start_0
365 },
366 [SENSOR_MI0360] = {
367 "mi0360",
368 0x5d, 0x80,
369 {SQ930_GPIO_RSTBAR,
370 SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
371 SQ930_GPIO_DFL_I2C_SDA,
372 0,
373 0
374 },
375 7, mi0360_start_0
376 },
377 [SENSOR_MT9V111] = {
378 "mt9v111",
379 0x5c, 0x7f,
380 {SQ930_GPIO_RSTBAR,
381 SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
382 SQ930_GPIO_DFL_I2C_SDA,
383 0,
384 0
385 },
386 7, mi0360_start_0
387 },
388 [SENSOR_OV7660] = {
389 "ov7660",
390 0x21, 0x00,
391 {0,
392 SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
393 SQ930_GPIO_DFL_I2C_SDA,
394 0,
395 SQ930_GPIO_RSTBAR
396 },
397 7, ov7660_start_0
398 },
399 [SENSOR_OV9630] = {
400 "ov9630",
401 0x30, 0x00,
402 {0,
403 SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
404 SQ930_GPIO_DFL_I2C_SDA,
405 0,
406 SQ930_GPIO_RSTBAR
407 },
408 7, ov9630_start_0
409 },
410 };
411
reg_r(struct gspca_dev * gspca_dev,u16 value,int len)412 static void reg_r(struct gspca_dev *gspca_dev,
413 u16 value, int len)
414 {
415 int ret;
416
417 if (gspca_dev->usb_err < 0)
418 return;
419 ret = usb_control_msg(gspca_dev->dev,
420 usb_rcvctrlpipe(gspca_dev->dev, 0),
421 0x0c,
422 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
423 value, 0, gspca_dev->usb_buf, len,
424 500);
425 if (ret < 0) {
426 pr_err("reg_r %04x failed %d\n", value, ret);
427 gspca_dev->usb_err = ret;
428 /*
429 * Make sure the buffer is zeroed to avoid uninitialized
430 * values.
431 */
432 memset(gspca_dev->usb_buf, 0, USB_BUF_SZ);
433 }
434 }
435
reg_w(struct gspca_dev * gspca_dev,u16 value,u16 index)436 static void reg_w(struct gspca_dev *gspca_dev, u16 value, u16 index)
437 {
438 int ret;
439
440 if (gspca_dev->usb_err < 0)
441 return;
442 gspca_dbg(gspca_dev, D_USBO, "reg_w v: %04x i: %04x\n", value, index);
443 ret = usb_control_msg(gspca_dev->dev,
444 usb_sndctrlpipe(gspca_dev->dev, 0),
445 0x0c, /* request */
446 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
447 value, index, NULL, 0,
448 500);
449 msleep(30);
450 if (ret < 0) {
451 pr_err("reg_w %04x %04x failed %d\n", value, index, ret);
452 gspca_dev->usb_err = ret;
453 }
454 }
455
reg_wb(struct gspca_dev * gspca_dev,u16 value,u16 index,const u8 * data,int len)456 static void reg_wb(struct gspca_dev *gspca_dev, u16 value, u16 index,
457 const u8 *data, int len)
458 {
459 int ret;
460
461 if (gspca_dev->usb_err < 0)
462 return;
463 gspca_dbg(gspca_dev, D_USBO, "reg_wb v: %04x i: %04x %02x...%02x\n",
464 value, index, *data, data[len - 1]);
465 memcpy(gspca_dev->usb_buf, data, len);
466 ret = usb_control_msg(gspca_dev->dev,
467 usb_sndctrlpipe(gspca_dev->dev, 0),
468 0x0c, /* request */
469 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
470 value, index, gspca_dev->usb_buf, len,
471 1000);
472 msleep(30);
473 if (ret < 0) {
474 pr_err("reg_wb %04x %04x failed %d\n", value, index, ret);
475 gspca_dev->usb_err = ret;
476 }
477 }
478
i2c_write(struct sd * sd,const struct i2c_write_cmd * cmd,int ncmds)479 static void i2c_write(struct sd *sd,
480 const struct i2c_write_cmd *cmd,
481 int ncmds)
482 {
483 struct gspca_dev *gspca_dev = &sd->gspca_dev;
484 const struct sensor_s *sensor;
485 u16 val, idx;
486 u8 *buf;
487 int ret;
488
489 if (gspca_dev->usb_err < 0)
490 return;
491
492 sensor = &sensor_tb[sd->sensor];
493
494 val = (sensor->i2c_addr << 8) | SQ930_CTRL_I2C_IO;
495 idx = (cmd->val & 0xff00) | cmd->reg;
496
497 buf = gspca_dev->usb_buf;
498 *buf++ = sensor->i2c_dum;
499 *buf++ = cmd->val;
500
501 while (--ncmds > 0) {
502 cmd++;
503 *buf++ = cmd->reg;
504 *buf++ = cmd->val >> 8;
505 *buf++ = sensor->i2c_dum;
506 *buf++ = cmd->val;
507 }
508
509 gspca_dbg(gspca_dev, D_USBO, "i2c_w v: %04x i: %04x %02x...%02x\n",
510 val, idx, gspca_dev->usb_buf[0], buf[-1]);
511 ret = usb_control_msg(gspca_dev->dev,
512 usb_sndctrlpipe(gspca_dev->dev, 0),
513 0x0c, /* request */
514 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
515 val, idx,
516 gspca_dev->usb_buf, buf - gspca_dev->usb_buf,
517 500);
518 if (ret < 0) {
519 pr_err("i2c_write failed %d\n", ret);
520 gspca_dev->usb_err = ret;
521 }
522 }
523
ucbus_write(struct gspca_dev * gspca_dev,const struct ucbus_write_cmd * cmd,int ncmds,int batchsize)524 static void ucbus_write(struct gspca_dev *gspca_dev,
525 const struct ucbus_write_cmd *cmd,
526 int ncmds,
527 int batchsize)
528 {
529 u8 *buf;
530 u16 val, idx;
531 int len, ret;
532
533 if (gspca_dev->usb_err < 0)
534 return;
535
536 if ((batchsize - 1) * 3 > USB_BUF_SZ) {
537 gspca_err(gspca_dev, "Bug: usb_buf overflow\n");
538 gspca_dev->usb_err = -ENOMEM;
539 return;
540 }
541
542 for (;;) {
543 len = ncmds;
544 if (len > batchsize)
545 len = batchsize;
546 ncmds -= len;
547
548 val = (cmd->bw_addr << 8) | SQ930_CTRL_UCBUS_IO;
549 idx = (cmd->bw_data << 8) | (cmd->bw_addr >> 8);
550
551 buf = gspca_dev->usb_buf;
552 while (--len > 0) {
553 cmd++;
554 *buf++ = cmd->bw_addr;
555 *buf++ = cmd->bw_addr >> 8;
556 *buf++ = cmd->bw_data;
557 }
558 if (buf != gspca_dev->usb_buf)
559 gspca_dbg(gspca_dev, D_USBO, "ucbus v: %04x i: %04x %02x...%02x\n",
560 val, idx,
561 gspca_dev->usb_buf[0], buf[-1]);
562 else
563 gspca_dbg(gspca_dev, D_USBO, "ucbus v: %04x i: %04x\n",
564 val, idx);
565 ret = usb_control_msg(gspca_dev->dev,
566 usb_sndctrlpipe(gspca_dev->dev, 0),
567 0x0c, /* request */
568 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
569 val, idx,
570 gspca_dev->usb_buf, buf - gspca_dev->usb_buf,
571 500);
572 if (ret < 0) {
573 pr_err("ucbus_write failed %d\n", ret);
574 gspca_dev->usb_err = ret;
575 return;
576 }
577 msleep(30);
578 if (ncmds <= 0)
579 break;
580 cmd++;
581 }
582 }
583
gpio_set(struct sd * sd,u16 val,u16 mask)584 static void gpio_set(struct sd *sd, u16 val, u16 mask)
585 {
586 struct gspca_dev *gspca_dev = &sd->gspca_dev;
587
588 if (mask & 0x00ff) {
589 sd->gpio[0] &= ~mask;
590 sd->gpio[0] |= val;
591 reg_w(gspca_dev, 0x0100 | SQ930_CTRL_GPIO,
592 ~sd->gpio[0] << 8);
593 }
594 mask >>= 8;
595 val >>= 8;
596 if (mask) {
597 sd->gpio[1] &= ~mask;
598 sd->gpio[1] |= val;
599 reg_w(gspca_dev, 0x0300 | SQ930_CTRL_GPIO,
600 ~sd->gpio[1] << 8);
601 }
602 }
603
gpio_init(struct sd * sd,const u8 * gpio)604 static void gpio_init(struct sd *sd,
605 const u8 *gpio)
606 {
607 gpio_set(sd, *gpio++, 0x000f);
608 gpio_set(sd, *gpio++, 0x000f);
609 gpio_set(sd, *gpio++, 0x000f);
610 gpio_set(sd, *gpio++, 0x000f);
611 gpio_set(sd, *gpio, 0x000f);
612 }
613
bridge_init(struct sd * sd)614 static void bridge_init(struct sd *sd)
615 {
616 static const struct ucbus_write_cmd clkfreq_cmd = {
617 0xf031, 0 /* SQ930_CLKFREQ_60MHZ */
618 };
619
620 ucbus_write(&sd->gspca_dev, &clkfreq_cmd, 1, 1);
621
622 gpio_set(sd, SQ930_GPIO_POWER, 0xff00);
623 }
624
cmos_probe(struct gspca_dev * gspca_dev)625 static void cmos_probe(struct gspca_dev *gspca_dev)
626 {
627 struct sd *sd = (struct sd *) gspca_dev;
628 int i;
629 const struct sensor_s *sensor;
630 static const u8 probe_order[] = {
631 /* SENSOR_LZ24BP, (tested as ccd) */
632 SENSOR_OV9630,
633 SENSOR_MI0360,
634 SENSOR_OV7660,
635 SENSOR_MT9V111,
636 };
637
638 for (i = 0; i < ARRAY_SIZE(probe_order); i++) {
639 sensor = &sensor_tb[probe_order[i]];
640 ucbus_write(&sd->gspca_dev, sensor->cmd, sensor->cmd_len, 8);
641 gpio_init(sd, sensor->gpio);
642 msleep(100);
643 reg_r(gspca_dev, (sensor->i2c_addr << 8) | 0x001c, 1);
644 msleep(100);
645 if (gspca_dev->usb_buf[0] != 0)
646 break;
647 }
648 if (i >= ARRAY_SIZE(probe_order)) {
649 pr_err("Unknown sensor\n");
650 gspca_dev->usb_err = -EINVAL;
651 return;
652 }
653 sd->sensor = probe_order[i];
654 switch (sd->sensor) {
655 case SENSOR_OV7660:
656 case SENSOR_OV9630:
657 pr_err("Sensor %s not yet treated\n",
658 sensor_tb[sd->sensor].name);
659 gspca_dev->usb_err = -EINVAL;
660 break;
661 }
662 }
663
mt9v111_init(struct gspca_dev * gspca_dev)664 static void mt9v111_init(struct gspca_dev *gspca_dev)
665 {
666 int i, nwait;
667 static const u8 cmd_001b[] = {
668 0x00, 0x3b, 0xf6, 0x01, 0x03, 0x02, 0x00, 0x00,
669 0x00, 0x00, 0x00
670 };
671 static const u8 cmd_011b[][7] = {
672 {0x10, 0x01, 0x66, 0x08, 0x00, 0x00, 0x00},
673 {0x01, 0x00, 0x1a, 0x04, 0x00, 0x00, 0x00},
674 {0x20, 0x00, 0x10, 0x04, 0x00, 0x00, 0x00},
675 {0x02, 0x01, 0xae, 0x01, 0x00, 0x00, 0x00},
676 };
677
678 reg_wb(gspca_dev, 0x001b, 0x0000, cmd_001b, sizeof cmd_001b);
679 for (i = 0; i < ARRAY_SIZE(cmd_011b); i++) {
680 reg_wb(gspca_dev, 0x001b, 0x0000, cmd_011b[i],
681 ARRAY_SIZE(cmd_011b[0]));
682 msleep(400);
683 nwait = 20;
684 for (;;) {
685 reg_r(gspca_dev, 0x031b, 1);
686 if (gspca_dev->usb_buf[0] == 0
687 || gspca_dev->usb_err != 0)
688 break;
689 if (--nwait < 0) {
690 gspca_dbg(gspca_dev, D_PROBE, "mt9v111_init timeout\n");
691 gspca_dev->usb_err = -ETIME;
692 return;
693 }
694 msleep(50);
695 }
696 }
697 }
698
global_init(struct sd * sd,int first_time)699 static void global_init(struct sd *sd, int first_time)
700 {
701 switch (sd->sensor) {
702 case SENSOR_ICX098BQ:
703 if (first_time)
704 ucbus_write(&sd->gspca_dev,
705 icx098bq_start_0,
706 8, 8);
707 gpio_init(sd, sensor_tb[sd->sensor].gpio);
708 break;
709 case SENSOR_LZ24BP:
710 if (sd->type != Creative_live_motion)
711 gpio_set(sd, SQ930_GPIO_EXTRA1, 0x00ff);
712 else
713 gpio_set(sd, 0, 0x00ff);
714 msleep(50);
715 if (first_time)
716 ucbus_write(&sd->gspca_dev,
717 lz24bp_start_0,
718 8, 8);
719 gpio_init(sd, sensor_tb[sd->sensor].gpio);
720 break;
721 case SENSOR_MI0360:
722 if (first_time)
723 ucbus_write(&sd->gspca_dev,
724 mi0360_start_0,
725 ARRAY_SIZE(mi0360_start_0),
726 8);
727 gpio_init(sd, sensor_tb[sd->sensor].gpio);
728 gpio_set(sd, SQ930_GPIO_EXTRA2, SQ930_GPIO_EXTRA2);
729 break;
730 default:
731 /* case SENSOR_MT9V111: */
732 if (first_time)
733 mt9v111_init(&sd->gspca_dev);
734 else
735 gpio_init(sd, sensor_tb[sd->sensor].gpio);
736 break;
737 }
738 }
739
lz24bp_ppl(struct sd * sd,u16 ppl)740 static void lz24bp_ppl(struct sd *sd, u16 ppl)
741 {
742 struct ucbus_write_cmd cmds[2] = {
743 {0xf810, ppl >> 8},
744 {0xf811, ppl}
745 };
746
747 ucbus_write(&sd->gspca_dev, cmds, ARRAY_SIZE(cmds), 2);
748 }
749
setexposure(struct gspca_dev * gspca_dev,s32 expo,s32 gain)750 static void setexposure(struct gspca_dev *gspca_dev, s32 expo, s32 gain)
751 {
752 struct sd *sd = (struct sd *) gspca_dev;
753 int i, integclks, intstartclk, frameclks, min_frclk;
754 const struct sensor_s *sensor;
755 u16 cmd;
756 u8 buf[15];
757
758 integclks = expo;
759 i = 0;
760 cmd = SQ930_CTRL_SET_EXPOSURE;
761
762 switch (sd->sensor) {
763 case SENSOR_ICX098BQ: /* ccd */
764 case SENSOR_LZ24BP:
765 min_frclk = sd->sensor == SENSOR_ICX098BQ ? 0x210 : 0x26f;
766 if (integclks >= min_frclk) {
767 intstartclk = 0;
768 frameclks = integclks;
769 } else {
770 intstartclk = min_frclk - integclks;
771 frameclks = min_frclk;
772 }
773 buf[i++] = intstartclk >> 8;
774 buf[i++] = intstartclk;
775 buf[i++] = frameclks >> 8;
776 buf[i++] = frameclks;
777 buf[i++] = gain;
778 break;
779 default: /* cmos */
780 /* case SENSOR_MI0360: */
781 /* case SENSOR_MT9V111: */
782 cmd |= 0x0100;
783 sensor = &sensor_tb[sd->sensor];
784 buf[i++] = sensor->i2c_addr; /* i2c_slave_addr */
785 buf[i++] = 0x08; /* 2 * ni2c */
786 buf[i++] = 0x09; /* reg = shutter width */
787 buf[i++] = integclks >> 8; /* val H */
788 buf[i++] = sensor->i2c_dum;
789 buf[i++] = integclks; /* val L */
790 buf[i++] = 0x35; /* reg = global gain */
791 buf[i++] = 0x00; /* val H */
792 buf[i++] = sensor->i2c_dum;
793 buf[i++] = 0x80 + gain / 2; /* val L */
794 buf[i++] = 0x00;
795 buf[i++] = 0x00;
796 buf[i++] = 0x00;
797 buf[i++] = 0x00;
798 buf[i++] = 0x83;
799 break;
800 }
801 reg_wb(gspca_dev, cmd, 0, buf, i);
802 }
803
804 /* This function is called at probe time just before sd_init */
sd_config(struct gspca_dev * gspca_dev,const struct usb_device_id * id)805 static int sd_config(struct gspca_dev *gspca_dev,
806 const struct usb_device_id *id)
807 {
808 struct sd *sd = (struct sd *) gspca_dev;
809 struct cam *cam = &gspca_dev->cam;
810
811 sd->sensor = id->driver_info >> 8;
812 sd->type = id->driver_info;
813
814 cam->cam_mode = vga_mode;
815 cam->nmodes = ARRAY_SIZE(vga_mode);
816
817 cam->bulk = 1;
818
819 return 0;
820 }
821
822 /* this function is called at probe and resume time */
sd_init(struct gspca_dev * gspca_dev)823 static int sd_init(struct gspca_dev *gspca_dev)
824 {
825 struct sd *sd = (struct sd *) gspca_dev;
826
827 sd->gpio[0] = sd->gpio[1] = 0xff; /* force gpio rewrite */
828
829 /*fixme: is this needed for icx098bp and mi0360?
830 if (sd->sensor != SENSOR_LZ24BP)
831 reg_w(gspca_dev, SQ930_CTRL_RESET, 0x0000);
832 */
833
834 reg_r(gspca_dev, SQ930_CTRL_GET_DEV_INFO, 8);
835 if (gspca_dev->usb_err < 0)
836 return gspca_dev->usb_err;
837
838 /* it returns:
839 * 03 00 12 93 0b f6 c9 00 live! ultra
840 * 03 00 07 93 0b f6 ca 00 live! ultra for notebook
841 * 03 00 12 93 0b fe c8 00 Trust WB-3500T
842 * 02 00 06 93 0b fe c8 00 Joy-IT 318S
843 * 03 00 12 93 0b f6 cf 00 icam tracer - sensor icx098bq
844 * 02 00 12 93 0b fe cf 00 ProQ Motion Webcam
845 *
846 * byte
847 * 0: 02 = usb 1.0 (12Mbit) / 03 = usb2.0 (480Mbit)
848 * 1: 00
849 * 2: 06 / 07 / 12 = mode webcam? firmware??
850 * 3: 93 chip = 930b (930b or 930c)
851 * 4: 0b
852 * 5: f6 = cdd (icx098bq, lz24bp) / fe or de = cmos (i2c) (other sensors)
853 * 6: c8 / c9 / ca / cf = mode webcam?, sensor? webcam?
854 * 7: 00
855 */
856 gspca_dbg(gspca_dev, D_PROBE, "info: %*ph\n", 8, gspca_dev->usb_buf);
857
858 bridge_init(sd);
859
860 if (sd->sensor == SENSOR_MI0360) {
861
862 /* no sensor probe for icam tracer */
863 if (gspca_dev->usb_buf[5] == 0xf6) /* if ccd */
864 sd->sensor = SENSOR_ICX098BQ;
865 else
866 cmos_probe(gspca_dev);
867 }
868 if (gspca_dev->usb_err >= 0) {
869 gspca_dbg(gspca_dev, D_PROBE, "Sensor %s\n",
870 sensor_tb[sd->sensor].name);
871 global_init(sd, 1);
872 }
873 return gspca_dev->usb_err;
874 }
875
876 /* send the start/stop commands to the webcam */
send_start(struct gspca_dev * gspca_dev)877 static void send_start(struct gspca_dev *gspca_dev)
878 {
879 struct sd *sd = (struct sd *) gspca_dev;
880 const struct cap_s *cap;
881 int mode;
882
883 mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
884 cap = &capconfig[sd->sensor][mode];
885 reg_wb(gspca_dev, 0x0900 | SQ930_CTRL_CAP_START,
886 0x0a00 | cap->cc_sizeid,
887 cap->cc_bytes, 32);
888 }
889
send_stop(struct gspca_dev * gspca_dev)890 static void send_stop(struct gspca_dev *gspca_dev)
891 {
892 reg_w(gspca_dev, SQ930_CTRL_CAP_STOP, 0);
893 }
894
895 /* function called at start time before URB creation */
sd_isoc_init(struct gspca_dev * gspca_dev)896 static int sd_isoc_init(struct gspca_dev *gspca_dev)
897 {
898 struct sd *sd = (struct sd *) gspca_dev;
899
900 gspca_dev->cam.bulk_nurbs = 1; /* there must be one URB only */
901 sd->do_ctrl = 0;
902 gspca_dev->cam.bulk_size = gspca_dev->pixfmt.width *
903 gspca_dev->pixfmt.height + 8;
904 return 0;
905 }
906
907 /* start the capture */
sd_start(struct gspca_dev * gspca_dev)908 static int sd_start(struct gspca_dev *gspca_dev)
909 {
910 struct sd *sd = (struct sd *) gspca_dev;
911 int mode;
912
913 bridge_init(sd);
914 global_init(sd, 0);
915 msleep(100);
916
917 switch (sd->sensor) {
918 case SENSOR_ICX098BQ:
919 ucbus_write(gspca_dev, icx098bq_start_0,
920 ARRAY_SIZE(icx098bq_start_0),
921 8);
922 ucbus_write(gspca_dev, icx098bq_start_1,
923 ARRAY_SIZE(icx098bq_start_1),
924 5);
925 ucbus_write(gspca_dev, icx098bq_start_2,
926 ARRAY_SIZE(icx098bq_start_2),
927 6);
928 msleep(50);
929
930 /* 1st start */
931 send_start(gspca_dev);
932 gpio_set(sd, SQ930_GPIO_EXTRA2 | SQ930_GPIO_RSTBAR, 0x00ff);
933 msleep(70);
934 reg_w(gspca_dev, SQ930_CTRL_CAP_STOP, 0x0000);
935 gpio_set(sd, 0x7f, 0x00ff);
936
937 /* 2nd start */
938 send_start(gspca_dev);
939 gpio_set(sd, SQ930_GPIO_EXTRA2 | SQ930_GPIO_RSTBAR, 0x00ff);
940 goto out;
941 case SENSOR_LZ24BP:
942 ucbus_write(gspca_dev, lz24bp_start_0,
943 ARRAY_SIZE(lz24bp_start_0),
944 8);
945 if (sd->type != Creative_live_motion)
946 ucbus_write(gspca_dev, lz24bp_start_1_gen,
947 ARRAY_SIZE(lz24bp_start_1_gen),
948 5);
949 else
950 ucbus_write(gspca_dev, lz24bp_start_1_clm,
951 ARRAY_SIZE(lz24bp_start_1_clm),
952 5);
953 ucbus_write(gspca_dev, lz24bp_start_2,
954 ARRAY_SIZE(lz24bp_start_2),
955 6);
956 mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
957 lz24bp_ppl(sd, mode == 1 ? 0x0564 : 0x0310);
958 msleep(10);
959 break;
960 case SENSOR_MI0360:
961 ucbus_write(gspca_dev, mi0360_start_0,
962 ARRAY_SIZE(mi0360_start_0),
963 8);
964 i2c_write(sd, mi0360_init_23,
965 ARRAY_SIZE(mi0360_init_23));
966 i2c_write(sd, mi0360_init_24,
967 ARRAY_SIZE(mi0360_init_24));
968 i2c_write(sd, mi0360_init_25,
969 ARRAY_SIZE(mi0360_init_25));
970 ucbus_write(gspca_dev, mi0360_start_1,
971 ARRAY_SIZE(mi0360_start_1),
972 5);
973 i2c_write(sd, mi0360_start_2,
974 ARRAY_SIZE(mi0360_start_2));
975 i2c_write(sd, mi0360_start_3,
976 ARRAY_SIZE(mi0360_start_3));
977
978 /* 1st start */
979 send_start(gspca_dev);
980 msleep(60);
981 send_stop(gspca_dev);
982
983 i2c_write(sd,
984 mi0360_start_4, ARRAY_SIZE(mi0360_start_4));
985 break;
986 default:
987 /* case SENSOR_MT9V111: */
988 ucbus_write(gspca_dev, mi0360_start_0,
989 ARRAY_SIZE(mi0360_start_0),
990 8);
991 i2c_write(sd, mt9v111_init_0,
992 ARRAY_SIZE(mt9v111_init_0));
993 i2c_write(sd, mt9v111_init_1,
994 ARRAY_SIZE(mt9v111_init_1));
995 i2c_write(sd, mt9v111_init_2,
996 ARRAY_SIZE(mt9v111_init_2));
997 ucbus_write(gspca_dev, mt9v111_start_1,
998 ARRAY_SIZE(mt9v111_start_1),
999 5);
1000 i2c_write(sd, mt9v111_init_3,
1001 ARRAY_SIZE(mt9v111_init_3));
1002 i2c_write(sd, mt9v111_init_4,
1003 ARRAY_SIZE(mt9v111_init_4));
1004 break;
1005 }
1006
1007 send_start(gspca_dev);
1008 out:
1009 msleep(1000);
1010
1011 if (sd->sensor == SENSOR_MT9V111)
1012 gpio_set(sd, SQ930_GPIO_DFL_LED, SQ930_GPIO_DFL_LED);
1013
1014 sd->do_ctrl = 1; /* set the exposure */
1015
1016 return gspca_dev->usb_err;
1017 }
1018
sd_stopN(struct gspca_dev * gspca_dev)1019 static void sd_stopN(struct gspca_dev *gspca_dev)
1020 {
1021 struct sd *sd = (struct sd *) gspca_dev;
1022
1023 if (sd->sensor == SENSOR_MT9V111)
1024 gpio_set(sd, 0, SQ930_GPIO_DFL_LED);
1025 send_stop(gspca_dev);
1026 }
1027
1028 /* function called when the application gets a new frame */
1029 /* It sets the exposure if required and restart the bulk transfer. */
sd_dq_callback(struct gspca_dev * gspca_dev)1030 static void sd_dq_callback(struct gspca_dev *gspca_dev)
1031 {
1032 struct sd *sd = (struct sd *) gspca_dev;
1033 int ret;
1034
1035 if (!sd->do_ctrl || gspca_dev->cam.bulk_nurbs != 0)
1036 return;
1037 sd->do_ctrl = 0;
1038
1039 setexposure(gspca_dev, v4l2_ctrl_g_ctrl(sd->exposure),
1040 v4l2_ctrl_g_ctrl(sd->gain));
1041
1042 gspca_dev->cam.bulk_nurbs = 1;
1043 ret = usb_submit_urb(gspca_dev->urb[0], GFP_KERNEL);
1044 if (ret < 0)
1045 pr_err("sd_dq_callback() err %d\n", ret);
1046
1047 /* wait a little time, otherwise the webcam crashes */
1048 msleep(100);
1049 }
1050
sd_pkt_scan(struct gspca_dev * gspca_dev,u8 * data,int len)1051 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
1052 u8 *data, /* isoc packet */
1053 int len) /* iso packet length */
1054 {
1055 struct sd *sd = (struct sd *) gspca_dev;
1056
1057 if (sd->do_ctrl)
1058 gspca_dev->cam.bulk_nurbs = 0;
1059 gspca_frame_add(gspca_dev, FIRST_PACKET, NULL, 0);
1060 gspca_frame_add(gspca_dev, INTER_PACKET, data, len - 8);
1061 gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
1062 }
1063
sd_s_ctrl(struct v4l2_ctrl * ctrl)1064 static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
1065 {
1066 struct gspca_dev *gspca_dev =
1067 container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
1068 struct sd *sd = (struct sd *) gspca_dev;
1069
1070 gspca_dev->usb_err = 0;
1071
1072 if (!gspca_dev->streaming)
1073 return 0;
1074
1075 switch (ctrl->id) {
1076 case V4L2_CID_EXPOSURE:
1077 setexposure(gspca_dev, ctrl->val, sd->gain->val);
1078 break;
1079 }
1080 return gspca_dev->usb_err;
1081 }
1082
1083 static const struct v4l2_ctrl_ops sd_ctrl_ops = {
1084 .s_ctrl = sd_s_ctrl,
1085 };
1086
sd_init_controls(struct gspca_dev * gspca_dev)1087 static int sd_init_controls(struct gspca_dev *gspca_dev)
1088 {
1089 struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
1090 struct sd *sd = (struct sd *) gspca_dev;
1091
1092 gspca_dev->vdev.ctrl_handler = hdl;
1093 v4l2_ctrl_handler_init(hdl, 2);
1094 sd->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1095 V4L2_CID_EXPOSURE, 1, 0xfff, 1, 0x356);
1096 sd->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1097 V4L2_CID_GAIN, 1, 255, 1, 0x8d);
1098
1099 if (hdl->error) {
1100 pr_err("Could not initialize controls\n");
1101 return hdl->error;
1102 }
1103 v4l2_ctrl_cluster(2, &sd->exposure);
1104 return 0;
1105 }
1106
1107 /* sub-driver description */
1108 static const struct sd_desc sd_desc = {
1109 .name = MODULE_NAME,
1110 .config = sd_config,
1111 .init = sd_init,
1112 .init_controls = sd_init_controls,
1113 .isoc_init = sd_isoc_init,
1114 .start = sd_start,
1115 .stopN = sd_stopN,
1116 .pkt_scan = sd_pkt_scan,
1117 .dq_callback = sd_dq_callback,
1118 };
1119
1120 /* Table of supported USB devices */
1121 #define ST(sensor, type) \
1122 .driver_info = (SENSOR_ ## sensor << 8) \
1123 | (type)
1124 static const struct usb_device_id device_table[] = {
1125 {USB_DEVICE(0x041e, 0x4038), ST(MI0360, 0)},
1126 {USB_DEVICE(0x041e, 0x403c), ST(LZ24BP, 0)},
1127 {USB_DEVICE(0x041e, 0x403d), ST(LZ24BP, 0)},
1128 {USB_DEVICE(0x041e, 0x4041), ST(LZ24BP, Creative_live_motion)},
1129 {USB_DEVICE(0x2770, 0x930b), ST(MI0360, 0)},
1130 {USB_DEVICE(0x2770, 0x930c), ST(MI0360, 0)},
1131 {}
1132 };
1133 MODULE_DEVICE_TABLE(usb, device_table);
1134
1135
1136 /* -- device connect -- */
sd_probe(struct usb_interface * intf,const struct usb_device_id * id)1137 static int sd_probe(struct usb_interface *intf,
1138 const struct usb_device_id *id)
1139 {
1140 return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1141 THIS_MODULE);
1142 }
1143
1144 static struct usb_driver sd_driver = {
1145 .name = MODULE_NAME,
1146 .id_table = device_table,
1147 .probe = sd_probe,
1148 .disconnect = gspca_disconnect,
1149 #ifdef CONFIG_PM
1150 .suspend = gspca_suspend,
1151 .resume = gspca_resume,
1152 .reset_resume = gspca_resume,
1153 #endif
1154 };
1155
1156 module_usb_driver(sd_driver);
1157
