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
29MODULE_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>");
32MODULE_DESCRIPTION("GSPCA/SQ930x USB Camera Driver");
33MODULE_LICENSE("GPL");
34
35/* Structure to hold all of our device specific stuff */
36struct sd {
37	struct gspca_dev gspca_dev;	/* !! must be the first item */
38
39	u16 expo;
40	u8 gain;
41
42	u8 do_ctrl;
43	u8 gpio[2];
44	u8 sensor;
45	u8 type;
46#define Generic 0
47#define Creative_live_motion 1
48};
49enum sensors {
50	SENSOR_ICX098BQ,
51	SENSOR_LZ24BP,
52	SENSOR_MI0360,
53	SENSOR_MT9V111,		/* = MI360SOC */
54	SENSOR_OV7660,
55	SENSOR_OV9630,
56};
57
58static int sd_setexpo(struct gspca_dev *gspca_dev, __s32 val);
59static int sd_getexpo(struct gspca_dev *gspca_dev, __s32 *val);
60static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val);
61static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val);
62
63static const struct ctrl sd_ctrls[] = {
64	{
65	    {
66		.id = V4L2_CID_EXPOSURE,
67		.type = V4L2_CTRL_TYPE_INTEGER,
68		.name = "Exposure",
69		.minimum = 0x0001,
70		.maximum = 0x0fff,
71		.step = 1,
72#define EXPO_DEF 0x0356
73		.default_value = EXPO_DEF,
74	    },
75	    .set = sd_setexpo,
76	    .get = sd_getexpo,
77	},
78	{
79	    {
80		.id = V4L2_CID_GAIN,
81		.type = V4L2_CTRL_TYPE_INTEGER,
82		.name = "Gain",
83		.minimum = 0x01,
84		.maximum = 0xff,
85		.step = 1,
86#define GAIN_DEF 0x8d
87		.default_value = GAIN_DEF,
88	    },
89	    .set = sd_setgain,
90	    .get = sd_getgain,
91	},
92};
93
94static struct v4l2_pix_format vga_mode[] = {
95	{320, 240, V4L2_PIX_FMT_SRGGB8, V4L2_FIELD_NONE,
96		.bytesperline = 320,
97		.sizeimage = 320 * 240,
98		.colorspace = V4L2_COLORSPACE_SRGB,
99		.priv = 0},
100	{640, 480, V4L2_PIX_FMT_SRGGB8, V4L2_FIELD_NONE,
101		.bytesperline = 640,
102		.sizeimage = 640 * 480,
103		.colorspace = V4L2_COLORSPACE_SRGB,
104		.priv = 1},
105};
106
107/* sq930x registers */
108#define SQ930_CTRL_UCBUS_IO	0x0001
109#define SQ930_CTRL_I2C_IO	0x0002
110#define SQ930_CTRL_GPIO		0x0005
111#define SQ930_CTRL_CAP_START	0x0010
112#define SQ930_CTRL_CAP_STOP	0x0011
113#define SQ930_CTRL_SET_EXPOSURE 0x001d
114#define SQ930_CTRL_RESET	0x001e
115#define SQ930_CTRL_GET_DEV_INFO 0x001f
116
117/* gpio 1 (8..15) */
118#define SQ930_GPIO_DFL_I2C_SDA	0x0001
119#define SQ930_GPIO_DFL_I2C_SCL	0x0002
120#define SQ930_GPIO_RSTBAR	0x0004
121#define SQ930_GPIO_EXTRA1	0x0040
122#define SQ930_GPIO_EXTRA2	0x0080
123/* gpio 3 (24..31) */
124#define SQ930_GPIO_POWER	0x0200
125#define SQ930_GPIO_DFL_LED	0x1000
126
127struct ucbus_write_cmd {
128	u16	bw_addr;
129	u8	bw_data;
130};
131struct i2c_write_cmd {
132	u8	reg;
133	u16	val;
134};
135
136static const struct ucbus_write_cmd icx098bq_start_0[] = {
137	{0x0354, 0x00}, {0x03fa, 0x00}, {0xf800, 0x02}, {0xf801, 0xce},
138	{0xf802, 0xc1}, {0xf804, 0x00}, {0xf808, 0x00}, {0xf809, 0x0e},
139	{0xf80a, 0x01}, {0xf80b, 0xee}, {0xf807, 0x60}, {0xf80c, 0x02},
140	{0xf80d, 0xf0}, {0xf80e, 0x03}, {0xf80f, 0x0a}, {0xf81c, 0x02},
141	{0xf81d, 0xf0}, {0xf81e, 0x03}, {0xf81f, 0x0a}, {0xf83a, 0x00},
142	{0xf83b, 0x10}, {0xf83c, 0x00}, {0xf83d, 0x4e}, {0xf810, 0x04},
143	{0xf811, 0x00}, {0xf812, 0x02}, {0xf813, 0x10}, {0xf803, 0x00},
144	{0xf814, 0x01}, {0xf815, 0x18}, {0xf816, 0x00}, {0xf817, 0x48},
145	{0xf818, 0x00}, {0xf819, 0x25}, {0xf81a, 0x00}, {0xf81b, 0x3c},
146	{0xf82f, 0x03}, {0xf820, 0xff}, {0xf821, 0x0d}, {0xf822, 0xff},
147	{0xf823, 0x07}, {0xf824, 0xff}, {0xf825, 0x03}, {0xf826, 0xff},
148	{0xf827, 0x06}, {0xf828, 0xff}, {0xf829, 0x03}, {0xf82a, 0xff},
149	{0xf82b, 0x0c}, {0xf82c, 0xfd}, {0xf82d, 0x01}, {0xf82e, 0x00},
150	{0xf830, 0x00}, {0xf831, 0x47}, {0xf832, 0x00}, {0xf833, 0x00},
151	{0xf850, 0x00}, {0xf851, 0x00}, {0xf852, 0x00}, {0xf853, 0x24},
152	{0xf854, 0x00}, {0xf855, 0x18}, {0xf856, 0x00}, {0xf857, 0x3c},
153	{0xf858, 0x00}, {0xf859, 0x0c}, {0xf85a, 0x00}, {0xf85b, 0x30},
154	{0xf85c, 0x00}, {0xf85d, 0x0c}, {0xf85e, 0x00}, {0xf85f, 0x30},
155	{0xf860, 0x00}, {0xf861, 0x48}, {0xf862, 0x01}, {0xf863, 0xdc},
156	{0xf864, 0xff}, {0xf865, 0x98}, {0xf866, 0xff}, {0xf867, 0xc0},
157	{0xf868, 0xff}, {0xf869, 0x70}, {0xf86c, 0xff}, {0xf86d, 0x00},
158	{0xf86a, 0xff}, {0xf86b, 0x48}, {0xf86e, 0xff}, {0xf86f, 0x00},
159	{0xf870, 0x01}, {0xf871, 0xdb}, {0xf872, 0x01}, {0xf873, 0xfa},
160	{0xf874, 0x01}, {0xf875, 0xdb}, {0xf876, 0x01}, {0xf877, 0xfa},
161	{0xf878, 0x0f}, {0xf879, 0x0f}, {0xf87a, 0xff}, {0xf87b, 0xff},
162	{0xf800, 0x03}
163};
164static const struct ucbus_write_cmd icx098bq_start_1[] = {
165	{0xf5f0, 0x00}, {0xf5f1, 0xcd}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
166	{0xf5f4, 0xc0},
167	{0xf5f0, 0x49}, {0xf5f1, 0xcd}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
168	{0xf5f4, 0xc0},
169	{0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
170	{0xf5f9, 0x00}
171};
172
173static const struct ucbus_write_cmd icx098bq_start_2[] = {
174	{0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x82}, {0xf806, 0x00},
175	{0xf807, 0x7f}, {0xf800, 0x03},
176	{0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x40}, {0xf806, 0x00},
177	{0xf807, 0x7f}, {0xf800, 0x03},
178	{0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0xcf}, {0xf806, 0xd0},
179	{0xf807, 0x7f}, {0xf800, 0x03},
180	{0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x00}, {0xf806, 0x00},
181	{0xf807, 0x7f}, {0xf800, 0x03}
182};
183
184static const struct ucbus_write_cmd lz24bp_start_0[] = {
185	{0x0354, 0x00}, {0x03fa, 0x00}, {0xf800, 0x02}, {0xf801, 0xbe},
186	{0xf802, 0xc6}, {0xf804, 0x00}, {0xf808, 0x00}, {0xf809, 0x06},
187	{0xf80a, 0x01}, {0xf80b, 0xfe}, {0xf807, 0x84}, {0xf80c, 0x02},
188	{0xf80d, 0xf7}, {0xf80e, 0x03}, {0xf80f, 0x0b}, {0xf81c, 0x00},
189	{0xf81d, 0x49}, {0xf81e, 0x03}, {0xf81f, 0x0b}, {0xf83a, 0x00},
190	{0xf83b, 0x01}, {0xf83c, 0x00}, {0xf83d, 0x6b}, {0xf810, 0x03},
191	{0xf811, 0x10}, {0xf812, 0x02}, {0xf813, 0x6f}, {0xf803, 0x00},
192	{0xf814, 0x00}, {0xf815, 0x44}, {0xf816, 0x00}, {0xf817, 0x48},
193	{0xf818, 0x00}, {0xf819, 0x25}, {0xf81a, 0x00}, {0xf81b, 0x3c},
194	{0xf82f, 0x03}, {0xf820, 0xff}, {0xf821, 0x0d}, {0xf822, 0xff},
195	{0xf823, 0x07}, {0xf824, 0xfd}, {0xf825, 0x07}, {0xf826, 0xf0},
196	{0xf827, 0x0c}, {0xf828, 0xff}, {0xf829, 0x03}, {0xf82a, 0xff},
197	{0xf82b, 0x0c}, {0xf82c, 0xfc}, {0xf82d, 0x01}, {0xf82e, 0x00},
198	{0xf830, 0x00}, {0xf831, 0x47}, {0xf832, 0x00}, {0xf833, 0x00},
199	{0xf850, 0x00}, {0xf851, 0x00}, {0xf852, 0x00}, {0xf853, 0x24},
200	{0xf854, 0x00}, {0xf855, 0x0c}, {0xf856, 0x00}, {0xf857, 0x30},
201	{0xf858, 0x00}, {0xf859, 0x18}, {0xf85a, 0x00}, {0xf85b, 0x3c},
202	{0xf85c, 0x00}, {0xf85d, 0x18}, {0xf85e, 0x00}, {0xf85f, 0x3c},
203	{0xf860, 0xff}, {0xf861, 0x37}, {0xf862, 0xff}, {0xf863, 0x1d},
204	{0xf864, 0xff}, {0xf865, 0x98}, {0xf866, 0xff}, {0xf867, 0xc0},
205	{0xf868, 0x00}, {0xf869, 0x37}, {0xf86c, 0x02}, {0xf86d, 0x1d},
206	{0xf86a, 0x00}, {0xf86b, 0x37}, {0xf86e, 0x02}, {0xf86f, 0x1d},
207	{0xf870, 0x01}, {0xf871, 0xc6}, {0xf872, 0x02}, {0xf873, 0x04},
208	{0xf874, 0x01}, {0xf875, 0xc6}, {0xf876, 0x02}, {0xf877, 0x04},
209	{0xf878, 0x0f}, {0xf879, 0x0f}, {0xf87a, 0xff}, {0xf87b, 0xff},
210	{0xf800, 0x03}
211};
212static const struct ucbus_write_cmd lz24bp_start_1_gen[] = {
213	{0xf5f0, 0x00}, {0xf5f1, 0xff}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
214	{0xf5f4, 0xb3},
215	{0xf5f0, 0x40}, {0xf5f1, 0xff}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
216	{0xf5f4, 0xb3},
217	{0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
218	{0xf5f9, 0x00}
219};
220
221static const struct ucbus_write_cmd lz24bp_start_1_clm[] = {
222	{0xf5f0, 0x00}, {0xf5f1, 0xff}, {0xf5f2, 0x88}, {0xf5f3, 0x88},
223	{0xf5f4, 0xc0},
224	{0xf5f0, 0x40}, {0xf5f1, 0xff}, {0xf5f2, 0x88}, {0xf5f3, 0x88},
225	{0xf5f4, 0xc0},
226	{0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
227	{0xf5f9, 0x00}
228};
229
230static const struct ucbus_write_cmd lz24bp_start_2[] = {
231	{0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x80}, {0xf806, 0x00},
232	{0xf807, 0x7f}, {0xf800, 0x03},
233	{0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x4e}, {0xf806, 0x00},
234	{0xf807, 0x7f}, {0xf800, 0x03},
235	{0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0xc0}, {0xf806, 0x48},
236	{0xf807, 0x7f}, {0xf800, 0x03},
237	{0xf800, 0x02}, {0xf807, 0xff}, {0xf805, 0x00}, {0xf806, 0x00},
238	{0xf807, 0x7f}, {0xf800, 0x03}
239};
240
241static const struct ucbus_write_cmd mi0360_start_0[] = {
242	{0x0354, 0x00}, {0x03fa, 0x00}, {0xf332, 0xcc}, {0xf333, 0xcc},
243	{0xf334, 0xcc}, {0xf335, 0xcc}, {0xf33f, 0x00}
244};
245static const struct i2c_write_cmd mi0360_init_23[] = {
246	{0x30, 0x0040},		/* reserved - def 0x0005 */
247	{0x31, 0x0000},		/* reserved - def 0x002a */
248	{0x34, 0x0100},		/* reserved - def 0x0100 */
249	{0x3d, 0x068f},		/* reserved - def 0x068f */
250};
251static const struct i2c_write_cmd mi0360_init_24[] = {
252	{0x03, 0x01e5},		/* window height */
253	{0x04, 0x0285},		/* window width */
254};
255static const struct i2c_write_cmd mi0360_init_25[] = {
256	{0x35, 0x0020},		/* global gain */
257	{0x2b, 0x0020},		/* green1 gain */
258	{0x2c, 0x002a},		/* blue gain */
259	{0x2d, 0x0028},		/* red gain */
260	{0x2e, 0x0020},		/* green2 gain */
261};
262static const struct ucbus_write_cmd mi0360_start_1[] = {
263	{0xf5f0, 0x11}, {0xf5f1, 0x99}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
264	{0xf5f4, 0xa6},
265	{0xf5f0, 0x51}, {0xf5f1, 0x99}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
266	{0xf5f4, 0xa6},
267	{0xf5fa, 0x00}, {0xf5f6, 0x00}, {0xf5f7, 0x00}, {0xf5f8, 0x00},
268	{0xf5f9, 0x00}
269};
270static const struct i2c_write_cmd mi0360_start_2[] = {
271	{0x62, 0x041d},		/* reserved - def 0x0418 */
272};
273static const struct i2c_write_cmd mi0360_start_3[] = {
274	{0x05, 0x007b},		/* horiz blanking */
275};
276static const struct i2c_write_cmd mi0360_start_4[] = {
277	{0x05, 0x03f5},		/* horiz blanking */
278};
279
280static const struct i2c_write_cmd mt9v111_init_0[] = {
281	{0x01, 0x0001},		/* select IFP/SOC registers */
282	{0x06, 0x300c},		/* operating mode control */
283	{0x08, 0xcc00},		/* output format control (RGB) */
284	{0x01, 0x0004},		/* select sensor core registers */
285};
286static const struct i2c_write_cmd mt9v111_init_1[] = {
287	{0x03, 0x01e5},		/* window height */
288	{0x04, 0x0285},		/* window width */
289};
290static const struct i2c_write_cmd mt9v111_init_2[] = {
291	{0x30, 0x7800},
292	{0x31, 0x0000},
293	{0x07, 0x3002},		/* output control */
294	{0x35, 0x0020},		/* global gain */
295	{0x2b, 0x0020},		/* green1 gain */
296	{0x2c, 0x0020},		/* blue gain */
297	{0x2d, 0x0020},		/* red gain */
298	{0x2e, 0x0020},		/* green2 gain */
299};
300static const struct ucbus_write_cmd mt9v111_start_1[] = {
301	{0xf5f0, 0x11}, {0xf5f1, 0x96}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
302	{0xf5f4, 0xaa},
303	{0xf5f0, 0x51}, {0xf5f1, 0x96}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
304	{0xf5f4, 0xaa},
305	{0xf5fa, 0x00}, {0xf5f6, 0x0a}, {0xf5f7, 0x0a}, {0xf5f8, 0x0a},
306	{0xf5f9, 0x0a}
307};
308static const struct i2c_write_cmd mt9v111_init_3[] = {
309	{0x62, 0x0405},
310};
311static const struct i2c_write_cmd mt9v111_init_4[] = {
312/*	{0x05, 0x00ce}, */
313	{0x05, 0x005d},		/* horizontal blanking */
314};
315
316static const struct ucbus_write_cmd ov7660_start_0[] = {
317	{0x0354, 0x00}, {0x03fa, 0x00}, {0xf332, 0x00}, {0xf333, 0xc0},
318	{0xf334, 0x39}, {0xf335, 0xe7}, {0xf33f, 0x03}
319};
320
321static const struct ucbus_write_cmd ov9630_start_0[] = {
322	{0x0354, 0x00}, {0x03fa, 0x00}, {0xf332, 0x00}, {0xf333, 0x00},
323	{0xf334, 0x3e}, {0xf335, 0xf8}, {0xf33f, 0x03}
324};
325
326/* start parameters indexed by [sensor][mode] */
327static const struct cap_s {
328	u8	cc_sizeid;
329	u8	cc_bytes[32];
330} capconfig[4][2] = {
331	[SENSOR_ICX098BQ] = {
332		{2,				/* Bayer 320x240 */
333		  {0x05, 0x1f, 0x20, 0x0e, 0x00, 0x9f, 0x02, 0xee,
334		   0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
335		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
336		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
337		{4,				/* Bayer 640x480 */
338		  {0x01, 0x1f, 0x20, 0x0e, 0x00, 0x9f, 0x02, 0xee,
339		   0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
340		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
341		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
342	},
343	[SENSOR_LZ24BP] = {
344		{2,				/* Bayer 320x240 */
345		  {0x05, 0x22, 0x20, 0x0e, 0x00, 0xa2, 0x02, 0xee,
346		   0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
347		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
348		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
349		{4,				/* Bayer 640x480 */
350		  {0x01, 0x22, 0x20, 0x0e, 0x00, 0xa2, 0x02, 0xee,
351		   0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
352		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
353		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
354	},
355	[SENSOR_MI0360] = {
356		{2,				/* Bayer 320x240 */
357		  {0x05, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
358		   0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
359		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
360		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
361		{4,				/* Bayer 640x480 */
362		  {0x01, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
363		   0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
364		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
365		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
366	},
367	[SENSOR_MT9V111] = {
368		{2,				/* Bayer 320x240 */
369		  {0x05, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
370		   0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
371		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
372		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
373		{4,				/* Bayer 640x480 */
374		  {0x01, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1,
375		   0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8,
376		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
377		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
378	},
379};
380
381struct sensor_s {
382	const char *name;
383	u8 i2c_addr;
384	u8 i2c_dum;
385	u8 gpio[5];
386	u8 cmd_len;
387	const struct ucbus_write_cmd *cmd;
388};
389
390static const struct sensor_s sensor_tb[] = {
391	[SENSOR_ICX098BQ] = {
392		"icx098bp",
393		0x00, 0x00,
394		{0,
395		 SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
396		 SQ930_GPIO_DFL_I2C_SDA,
397		 0,
398		 SQ930_GPIO_RSTBAR
399		},
400		8, icx098bq_start_0
401	    },
402	[SENSOR_LZ24BP] = {
403		"lz24bp",
404		0x00, 0x00,
405		{0,
406		 SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
407		 SQ930_GPIO_DFL_I2C_SDA,
408		 0,
409		 SQ930_GPIO_RSTBAR
410		},
411		8, lz24bp_start_0
412	    },
413	[SENSOR_MI0360] = {
414		"mi0360",
415		0x5d, 0x80,
416		{SQ930_GPIO_RSTBAR,
417		 SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
418		 SQ930_GPIO_DFL_I2C_SDA,
419		 0,
420		 0
421		},
422		7, mi0360_start_0
423	    },
424	[SENSOR_MT9V111] = {
425		"mt9v111",
426		0x5c, 0x7f,
427		{SQ930_GPIO_RSTBAR,
428		 SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
429		 SQ930_GPIO_DFL_I2C_SDA,
430		 0,
431		 0
432		},
433		7, mi0360_start_0
434	    },
435	[SENSOR_OV7660] = {
436		"ov7660",
437		0x21, 0x00,
438		{0,
439		 SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
440		 SQ930_GPIO_DFL_I2C_SDA,
441		 0,
442		 SQ930_GPIO_RSTBAR
443		},
444		7, ov7660_start_0
445	    },
446	[SENSOR_OV9630] = {
447		"ov9630",
448		0x30, 0x00,
449		{0,
450		 SQ930_GPIO_DFL_I2C_SDA | SQ930_GPIO_DFL_I2C_SCL,
451		 SQ930_GPIO_DFL_I2C_SDA,
452		 0,
453		 SQ930_GPIO_RSTBAR
454		},
455		7, ov9630_start_0
456	    },
457};
458
459static void reg_r(struct gspca_dev *gspca_dev,
460		u16 value, int len)
461{
462	int ret;
463
464	if (gspca_dev->usb_err < 0)
465		return;
466	ret = usb_control_msg(gspca_dev->dev,
467			usb_rcvctrlpipe(gspca_dev->dev, 0),
468			0x0c,
469			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
470			value, 0, gspca_dev->usb_buf, len,
471			500);
472	if (ret < 0) {
473		pr_err("reg_r %04x failed %d\n", value, ret);
474		gspca_dev->usb_err = ret;
475	}
476}
477
478static void reg_w(struct gspca_dev *gspca_dev, u16 value, u16 index)
479{
480	int ret;
481
482	if (gspca_dev->usb_err < 0)
483		return;
484	PDEBUG(D_USBO, "reg_w v: %04x i: %04x", value, index);
485	ret = usb_control_msg(gspca_dev->dev,
486			usb_sndctrlpipe(gspca_dev->dev, 0),
487			0x0c,			/* request */
488			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
489			value, index, NULL, 0,
490			500);
491	msleep(30);
492	if (ret < 0) {
493		pr_err("reg_w %04x %04x failed %d\n", value, index, ret);
494		gspca_dev->usb_err = ret;
495	}
496}
497
498static void reg_wb(struct gspca_dev *gspca_dev, u16 value, u16 index,
499		const u8 *data, int len)
500{
501	int ret;
502
503	if (gspca_dev->usb_err < 0)
504		return;
505	PDEBUG(D_USBO, "reg_wb v: %04x i: %04x %02x...%02x",
506			value, index, *data, data[len - 1]);
507	memcpy(gspca_dev->usb_buf, data, len);
508	ret = usb_control_msg(gspca_dev->dev,
509			usb_sndctrlpipe(gspca_dev->dev, 0),
510			0x0c,			/* request */
511			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
512			value, index, gspca_dev->usb_buf, len,
513			1000);
514	msleep(30);
515	if (ret < 0) {
516		pr_err("reg_wb %04x %04x failed %d\n", value, index, ret);
517		gspca_dev->usb_err = ret;
518	}
519}
520
521static void i2c_write(struct sd *sd,
522			const struct i2c_write_cmd *cmd,
523			int ncmds)
524{
525	struct gspca_dev *gspca_dev = &sd->gspca_dev;
526	const struct sensor_s *sensor;
527	u16 val, idx;
528	u8 *buf;
529	int ret;
530
531	if (gspca_dev->usb_err < 0)
532		return;
533
534	sensor = &sensor_tb[sd->sensor];
535
536	val = (sensor->i2c_addr << 8) | SQ930_CTRL_I2C_IO;
537	idx = (cmd->val & 0xff00) | cmd->reg;
538
539	buf = gspca_dev->usb_buf;
540	*buf++ = sensor->i2c_dum;
541	*buf++ = cmd->val;
542
543	while (--ncmds > 0) {
544		cmd++;
545		*buf++ = cmd->reg;
546		*buf++ = cmd->val >> 8;
547		*buf++ = sensor->i2c_dum;
548		*buf++ = cmd->val;
549	}
550
551	PDEBUG(D_USBO, "i2c_w v: %04x i: %04x %02x...%02x",
552			val, idx, gspca_dev->usb_buf[0], buf[-1]);
553	ret = usb_control_msg(gspca_dev->dev,
554			usb_sndctrlpipe(gspca_dev->dev, 0),
555			0x0c,			/* request */
556			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
557			val, idx,
558			gspca_dev->usb_buf, buf - gspca_dev->usb_buf,
559			500);
560	if (ret < 0) {
561		pr_err("i2c_write failed %d\n", ret);
562		gspca_dev->usb_err = ret;
563	}
564}
565
566static void ucbus_write(struct gspca_dev *gspca_dev,
567			const struct ucbus_write_cmd *cmd,
568			int ncmds,
569			int batchsize)
570{
571	u8 *buf;
572	u16 val, idx;
573	int len, ret;
574
575	if (gspca_dev->usb_err < 0)
576		return;
577
578#ifdef GSPCA_DEBUG
579	if ((batchsize - 1) * 3 > USB_BUF_SZ) {
580		pr_err("Bug: usb_buf overflow\n");
581		gspca_dev->usb_err = -ENOMEM;
582		return;
583	}
584#endif
585
586	for (;;) {
587		len = ncmds;
588		if (len > batchsize)
589			len = batchsize;
590		ncmds -= len;
591
592		val = (cmd->bw_addr << 8) | SQ930_CTRL_UCBUS_IO;
593		idx = (cmd->bw_data << 8) | (cmd->bw_addr >> 8);
594
595		buf = gspca_dev->usb_buf;
596		while (--len > 0) {
597			cmd++;
598			*buf++ = cmd->bw_addr;
599			*buf++ = cmd->bw_addr >> 8;
600			*buf++ = cmd->bw_data;
601		}
602		if (buf != gspca_dev->usb_buf)
603			PDEBUG(D_USBO, "ucbus v: %04x i: %04x %02x...%02x",
604					val, idx,
605					gspca_dev->usb_buf[0], buf[-1]);
606		else
607			PDEBUG(D_USBO, "ucbus v: %04x i: %04x",
608					val, idx);
609		ret = usb_control_msg(gspca_dev->dev,
610				usb_sndctrlpipe(gspca_dev->dev, 0),
611				0x0c,			/* request */
612			   USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
613				val, idx,
614				gspca_dev->usb_buf, buf - gspca_dev->usb_buf,
615				500);
616		if (ret < 0) {
617			pr_err("ucbus_write failed %d\n", ret);
618			gspca_dev->usb_err = ret;
619			return;
620		}
621		msleep(30);
622		if (ncmds <= 0)
623			break;
624		cmd++;
625	}
626}
627
628static void gpio_set(struct sd *sd, u16 val, u16 mask)
629{
630	struct gspca_dev *gspca_dev = &sd->gspca_dev;
631
632	if (mask & 0x00ff) {
633		sd->gpio[0] &= ~mask;
634		sd->gpio[0] |= val;
635		reg_w(gspca_dev, 0x0100 | SQ930_CTRL_GPIO,
636			~sd->gpio[0] << 8);
637	}
638	mask >>= 8;
639	val >>= 8;
640	if (mask) {
641		sd->gpio[1] &= ~mask;
642		sd->gpio[1] |= val;
643		reg_w(gspca_dev, 0x0300 | SQ930_CTRL_GPIO,
644			~sd->gpio[1] << 8);
645	}
646}
647
648static void gpio_init(struct sd *sd,
649			const u8 *gpio)
650{
651	gpio_set(sd, *gpio++, 0x000f);
652	gpio_set(sd, *gpio++, 0x000f);
653	gpio_set(sd, *gpio++, 0x000f);
654	gpio_set(sd, *gpio++, 0x000f);
655	gpio_set(sd, *gpio, 0x000f);
656}
657
658static void bridge_init(struct sd *sd)
659{
660	static const struct ucbus_write_cmd clkfreq_cmd = {
661				0xf031, 0	/* SQ930_CLKFREQ_60MHZ */
662	};
663
664	ucbus_write(&sd->gspca_dev, &clkfreq_cmd, 1, 1);
665
666	gpio_set(sd, SQ930_GPIO_POWER, 0xff00);
667}
668
669static void cmos_probe(struct gspca_dev *gspca_dev)
670{
671	struct sd *sd = (struct sd *) gspca_dev;
672	int i;
673	const struct sensor_s *sensor;
674	static const u8 probe_order[] = {
675/*		SENSOR_LZ24BP,		(tested as ccd) */
676		SENSOR_OV9630,
677		SENSOR_MI0360,
678		SENSOR_OV7660,
679		SENSOR_MT9V111,
680	};
681
682	for (i = 0; i < ARRAY_SIZE(probe_order); i++) {
683		sensor = &sensor_tb[probe_order[i]];
684		ucbus_write(&sd->gspca_dev, sensor->cmd, sensor->cmd_len, 8);
685		gpio_init(sd, sensor->gpio);
686		msleep(100);
687		reg_r(gspca_dev, (sensor->i2c_addr << 8) | 0x001c, 1);
688		msleep(100);
689		if (gspca_dev->usb_buf[0] != 0)
690			break;
691	}
692	if (i >= ARRAY_SIZE(probe_order)) {
693		pr_err("Unknown sensor\n");
694		gspca_dev->usb_err = -EINVAL;
695		return;
696	}
697	sd->sensor = probe_order[i];
698	switch (sd->sensor) {
699	case SENSOR_OV7660:
700	case SENSOR_OV9630:
701		pr_err("Sensor %s not yet treated\n",
702		       sensor_tb[sd->sensor].name);
703		gspca_dev->usb_err = -EINVAL;
704		break;
705	}
706}
707
708static void mt9v111_init(struct gspca_dev *gspca_dev)
709{
710	int i, nwait;
711	static const u8 cmd_001b[] = {
712		0x00, 0x3b, 0xf6, 0x01, 0x03, 0x02, 0x00, 0x00,
713		0x00, 0x00, 0x00
714	};
715	static const u8 cmd_011b[][7] = {
716		{0x10, 0x01, 0x66, 0x08, 0x00, 0x00, 0x00},
717		{0x01, 0x00, 0x1a, 0x04, 0x00, 0x00, 0x00},
718		{0x20, 0x00, 0x10, 0x04, 0x00, 0x00, 0x00},
719		{0x02, 0x01, 0xae, 0x01, 0x00, 0x00, 0x00},
720	};
721
722	reg_wb(gspca_dev, 0x001b, 0x0000, cmd_001b, sizeof cmd_001b);
723	for (i = 0; i < ARRAY_SIZE(cmd_011b); i++) {
724		reg_wb(gspca_dev, 0x001b, 0x0000, cmd_011b[i],
725				ARRAY_SIZE(cmd_011b[0]));
726		msleep(400);
727		nwait = 20;
728		for (;;) {
729			reg_r(gspca_dev, 0x031b, 1);
730			if (gspca_dev->usb_buf[0] == 0
731			 || gspca_dev->usb_err != 0)
732				break;
733			if (--nwait < 0) {
734				PDEBUG(D_PROBE, "mt9v111_init timeout");
735				gspca_dev->usb_err = -ETIME;
736				return;
737			}
738			msleep(50);
739		}
740	}
741}
742
743static void global_init(struct sd *sd, int first_time)
744{
745	switch (sd->sensor) {
746	case SENSOR_ICX098BQ:
747		if (first_time)
748			ucbus_write(&sd->gspca_dev,
749					icx098bq_start_0,
750					8, 8);
751		gpio_init(sd, sensor_tb[sd->sensor].gpio);
752		break;
753	case SENSOR_LZ24BP:
754		if (sd->type != Creative_live_motion)
755			gpio_set(sd, SQ930_GPIO_EXTRA1, 0x00ff);
756		else
757			gpio_set(sd, 0, 0x00ff);
758		msleep(50);
759		if (first_time)
760			ucbus_write(&sd->gspca_dev,
761					lz24bp_start_0,
762					8, 8);
763		gpio_init(sd, sensor_tb[sd->sensor].gpio);
764		break;
765	case SENSOR_MI0360:
766		if (first_time)
767			ucbus_write(&sd->gspca_dev,
768					mi0360_start_0,
769					ARRAY_SIZE(mi0360_start_0),
770					8);
771		gpio_init(sd, sensor_tb[sd->sensor].gpio);
772		gpio_set(sd, SQ930_GPIO_EXTRA2, SQ930_GPIO_EXTRA2);
773		break;
774	default:
775/*	case SENSOR_MT9V111: */
776		if (first_time)
777			mt9v111_init(&sd->gspca_dev);
778		else
779			gpio_init(sd, sensor_tb[sd->sensor].gpio);
780		break;
781	}
782}
783
784static void lz24bp_ppl(struct sd *sd, u16 ppl)
785{
786	struct ucbus_write_cmd cmds[2] = {
787		{0xf810, ppl >> 8},
788		{0xf811, ppl}
789	};
790
791	ucbus_write(&sd->gspca_dev, cmds, ARRAY_SIZE(cmds), 2);
792}
793
794static void setexposure(struct gspca_dev *gspca_dev)
795{
796	struct sd *sd = (struct sd *) gspca_dev;
797	int i, integclks, intstartclk, frameclks, min_frclk;
798	const struct sensor_s *sensor;
799	u16 cmd;
800	u8 buf[15];
801
802	integclks = sd->expo;
803	i = 0;
804	cmd = SQ930_CTRL_SET_EXPOSURE;
805
806	switch (sd->sensor) {
807	case SENSOR_ICX098BQ:			/* ccd */
808	case SENSOR_LZ24BP:
809		min_frclk = sd->sensor == SENSOR_ICX098BQ ? 0x210 : 0x26f;
810		if (integclks >= min_frclk) {
811			intstartclk = 0;
812			frameclks = integclks;
813		} else {
814			intstartclk = min_frclk - integclks;
815			frameclks = min_frclk;
816		}
817		buf[i++] = intstartclk >> 8;
818		buf[i++] = intstartclk;
819		buf[i++] = frameclks >> 8;
820		buf[i++] = frameclks;
821		buf[i++] = sd->gain;
822		break;
823	default:				/* cmos */
824/*	case SENSOR_MI0360: */
825/*	case SENSOR_MT9V111: */
826		cmd |= 0x0100;
827		sensor = &sensor_tb[sd->sensor];
828		buf[i++] = sensor->i2c_addr;	/* i2c_slave_addr */
829		buf[i++] = 0x08;	/* 2 * ni2c */
830		buf[i++] = 0x09;	/* reg = shutter width */
831		buf[i++] = integclks >> 8; /* val H */
832		buf[i++] = sensor->i2c_dum;
833		buf[i++] = integclks;	/* val L */
834		buf[i++] = 0x35;	/* reg = global gain */
835		buf[i++] = 0x00;	/* val H */
836		buf[i++] = sensor->i2c_dum;
837		buf[i++] = 0x80 + sd->gain / 2; /* val L */
838		buf[i++] = 0x00;
839		buf[i++] = 0x00;
840		buf[i++] = 0x00;
841		buf[i++] = 0x00;
842		buf[i++] = 0x83;
843		break;
844	}
845	reg_wb(gspca_dev, cmd, 0, buf, i);
846}
847
848/* This function is called at probe time just before sd_init */
849static int sd_config(struct gspca_dev *gspca_dev,
850		const struct usb_device_id *id)
851{
852	struct sd *sd = (struct sd *) gspca_dev;
853	struct cam *cam = &gspca_dev->cam;
854
855	sd->sensor = id->driver_info >> 8;
856	sd->type = id->driver_info;
857
858	cam->cam_mode = vga_mode;
859	cam->nmodes = ARRAY_SIZE(vga_mode);
860
861	cam->bulk = 1;
862
863	sd->gain = GAIN_DEF;
864	sd->expo = EXPO_DEF;
865
866	return 0;
867}
868
869/* this function is called at probe and resume time */
870static int sd_init(struct gspca_dev *gspca_dev)
871{
872	struct sd *sd = (struct sd *) gspca_dev;
873
874	sd->gpio[0] = sd->gpio[1] = 0xff;	/* force gpio rewrite */
875
876/*fixme: is this needed for icx098bp and mi0360?
877	if (sd->sensor != SENSOR_LZ24BP)
878		reg_w(gspca_dev, SQ930_CTRL_RESET, 0x0000);
879 */
880
881	reg_r(gspca_dev, SQ930_CTRL_GET_DEV_INFO, 8);
882	if (gspca_dev->usb_err < 0)
883		return gspca_dev->usb_err;
884
885/* it returns:
886 * 03 00 12 93 0b f6 c9 00	live! ultra
887 * 03 00 07 93 0b f6 ca 00	live! ultra for notebook
888 * 03 00 12 93 0b fe c8 00	Trust WB-3500T
889 * 02 00 06 93 0b fe c8 00	Joy-IT 318S
890 * 03 00 12 93 0b f6 cf 00	icam tracer - sensor icx098bq
891 * 02 00 12 93 0b fe cf 00	ProQ Motion Webcam
892 *
893 * byte
894 * 0: 02 = usb 1.0 (12Mbit) / 03 = usb2.0 (480Mbit)
895 * 1: 00
896 * 2: 06 / 07 / 12 = mode webcam? firmware??
897 * 3: 93 chip = 930b (930b or 930c)
898 * 4: 0b
899 * 5: f6 = cdd (icx098bq, lz24bp) / fe or de = cmos (i2c) (other sensors)
900 * 6: c8 / c9 / ca / cf = mode webcam?, sensor? webcam?
901 * 7: 00
902 */
903	PDEBUG(D_PROBE, "info: %02x %02x %02x %02x %02x %02x %02x %02x",
904			gspca_dev->usb_buf[0],
905			gspca_dev->usb_buf[1],
906			gspca_dev->usb_buf[2],
907			gspca_dev->usb_buf[3],
908			gspca_dev->usb_buf[4],
909			gspca_dev->usb_buf[5],
910			gspca_dev->usb_buf[6],
911			gspca_dev->usb_buf[7]);
912
913	bridge_init(sd);
914
915	if (sd->sensor == SENSOR_MI0360) {
916
917		/* no sensor probe for icam tracer */
918		if (gspca_dev->usb_buf[5] == 0xf6)	/* if ccd */
919			sd->sensor = SENSOR_ICX098BQ;
920		else
921			cmos_probe(gspca_dev);
922	}
923	if (gspca_dev->usb_err >= 0) {
924		PDEBUG(D_PROBE, "Sensor %s", sensor_tb[sd->sensor].name);
925		global_init(sd, 1);
926	}
927	return gspca_dev->usb_err;
928}
929
930/* send the start/stop commands to the webcam */
931static void send_start(struct gspca_dev *gspca_dev)
932{
933	struct sd *sd = (struct sd *) gspca_dev;
934	const struct cap_s *cap;
935	int mode;
936
937	mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
938	cap = &capconfig[sd->sensor][mode];
939	reg_wb(gspca_dev, 0x0900 | SQ930_CTRL_CAP_START,
940			0x0a00 | cap->cc_sizeid,
941			cap->cc_bytes, 32);
942}
943
944static void send_stop(struct gspca_dev *gspca_dev)
945{
946	reg_w(gspca_dev, SQ930_CTRL_CAP_STOP, 0);
947}
948
949/* function called at start time before URB creation */
950static int sd_isoc_init(struct gspca_dev *gspca_dev)
951{
952	struct sd *sd = (struct sd *) gspca_dev;
953
954	gspca_dev->cam.bulk_nurbs = 1;	/* there must be one URB only */
955	sd->do_ctrl = 0;
956	gspca_dev->cam.bulk_size = gspca_dev->width * gspca_dev->height + 8;
957	return 0;
958}
959
960/* start the capture */
961static int sd_start(struct gspca_dev *gspca_dev)
962{
963	struct sd *sd = (struct sd *) gspca_dev;
964	int mode;
965
966	bridge_init(sd);
967	global_init(sd, 0);
968	msleep(100);
969
970	switch (sd->sensor) {
971	case SENSOR_ICX098BQ:
972		ucbus_write(gspca_dev, icx098bq_start_0,
973				ARRAY_SIZE(icx098bq_start_0),
974				8);
975		ucbus_write(gspca_dev, icx098bq_start_1,
976				ARRAY_SIZE(icx098bq_start_1),
977				5);
978		ucbus_write(gspca_dev, icx098bq_start_2,
979				ARRAY_SIZE(icx098bq_start_2),
980				6);
981		msleep(50);
982
983		/* 1st start */
984		send_start(gspca_dev);
985		gpio_set(sd, SQ930_GPIO_EXTRA2 | SQ930_GPIO_RSTBAR, 0x00ff);
986		msleep(70);
987		reg_w(gspca_dev, SQ930_CTRL_CAP_STOP, 0x0000);
988		gpio_set(sd, 0x7f, 0x00ff);
989
990		/* 2nd start */
991		send_start(gspca_dev);
992		gpio_set(sd, SQ930_GPIO_EXTRA2 | SQ930_GPIO_RSTBAR, 0x00ff);
993		goto out;
994	case SENSOR_LZ24BP:
995		ucbus_write(gspca_dev, lz24bp_start_0,
996				ARRAY_SIZE(lz24bp_start_0),
997				8);
998		if (sd->type != Creative_live_motion)
999			ucbus_write(gspca_dev, lz24bp_start_1_gen,
1000					ARRAY_SIZE(lz24bp_start_1_gen),
1001					5);
1002		else
1003			ucbus_write(gspca_dev, lz24bp_start_1_clm,
1004					ARRAY_SIZE(lz24bp_start_1_clm),
1005					5);
1006		ucbus_write(gspca_dev, lz24bp_start_2,
1007				ARRAY_SIZE(lz24bp_start_2),
1008				6);
1009		mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
1010		lz24bp_ppl(sd, mode == 1 ? 0x0564 : 0x0310);
1011		msleep(10);
1012		break;
1013	case SENSOR_MI0360:
1014		ucbus_write(gspca_dev, mi0360_start_0,
1015				ARRAY_SIZE(mi0360_start_0),
1016				8);
1017		i2c_write(sd, mi0360_init_23,
1018				ARRAY_SIZE(mi0360_init_23));
1019		i2c_write(sd, mi0360_init_24,
1020				ARRAY_SIZE(mi0360_init_24));
1021		i2c_write(sd, mi0360_init_25,
1022				ARRAY_SIZE(mi0360_init_25));
1023		ucbus_write(gspca_dev, mi0360_start_1,
1024				ARRAY_SIZE(mi0360_start_1),
1025				5);
1026		i2c_write(sd, mi0360_start_2,
1027				ARRAY_SIZE(mi0360_start_2));
1028		i2c_write(sd, mi0360_start_3,
1029				ARRAY_SIZE(mi0360_start_3));
1030
1031		/* 1st start */
1032		send_start(gspca_dev);
1033		msleep(60);
1034		send_stop(gspca_dev);
1035
1036		i2c_write(sd,
1037			mi0360_start_4, ARRAY_SIZE(mi0360_start_4));
1038		break;
1039	default:
1040/*	case SENSOR_MT9V111: */
1041		ucbus_write(gspca_dev, mi0360_start_0,
1042				ARRAY_SIZE(mi0360_start_0),
1043				8);
1044		i2c_write(sd, mt9v111_init_0,
1045				ARRAY_SIZE(mt9v111_init_0));
1046		i2c_write(sd, mt9v111_init_1,
1047				ARRAY_SIZE(mt9v111_init_1));
1048		i2c_write(sd, mt9v111_init_2,
1049				ARRAY_SIZE(mt9v111_init_2));
1050		ucbus_write(gspca_dev, mt9v111_start_1,
1051				ARRAY_SIZE(mt9v111_start_1),
1052				5);
1053		i2c_write(sd, mt9v111_init_3,
1054				ARRAY_SIZE(mt9v111_init_3));
1055		i2c_write(sd, mt9v111_init_4,
1056				ARRAY_SIZE(mt9v111_init_4));
1057		break;
1058	}
1059
1060	send_start(gspca_dev);
1061out:
1062	msleep(1000);
1063
1064	if (sd->sensor == SENSOR_MT9V111)
1065		gpio_set(sd, SQ930_GPIO_DFL_LED, SQ930_GPIO_DFL_LED);
1066
1067	sd->do_ctrl = 1;	/* set the exposure */
1068
1069	return gspca_dev->usb_err;
1070}
1071
1072static void sd_stopN(struct gspca_dev *gspca_dev)
1073{
1074	struct sd *sd = (struct sd *) gspca_dev;
1075
1076	if (sd->sensor == SENSOR_MT9V111)
1077		gpio_set(sd, 0, SQ930_GPIO_DFL_LED);
1078	send_stop(gspca_dev);
1079}
1080
1081/* function called when the application gets a new frame */
1082/* It sets the exposure if required and restart the bulk transfer. */
1083static void sd_dq_callback(struct gspca_dev *gspca_dev)
1084{
1085	struct sd *sd = (struct sd *) gspca_dev;
1086	int ret;
1087
1088	if (!sd->do_ctrl || gspca_dev->cam.bulk_nurbs != 0)
1089		return;
1090	sd->do_ctrl = 0;
1091
1092	setexposure(gspca_dev);
1093
1094	gspca_dev->cam.bulk_nurbs = 1;
1095	ret = usb_submit_urb(gspca_dev->urb[0], GFP_ATOMIC);
1096	if (ret < 0)
1097		pr_err("sd_dq_callback() err %d\n", ret);
1098
1099	/* wait a little time, otherwise the webcam crashes */
1100	msleep(100);
1101}
1102
1103static void sd_pkt_scan(struct gspca_dev *gspca_dev,
1104			u8 *data,		/* isoc packet */
1105			int len)		/* iso packet length */
1106{
1107	struct sd *sd = (struct sd *) gspca_dev;
1108
1109	if (sd->do_ctrl)
1110		gspca_dev->cam.bulk_nurbs = 0;
1111	gspca_frame_add(gspca_dev, FIRST_PACKET, NULL, 0);
1112	gspca_frame_add(gspca_dev, INTER_PACKET, data, len - 8);
1113	gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
1114}
1115
1116static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val)
1117{
1118	struct sd *sd = (struct sd *) gspca_dev;
1119
1120	sd->gain = val;
1121	if (gspca_dev->streaming)
1122		sd->do_ctrl = 1;
1123	return 0;
1124}
1125
1126static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val)
1127{
1128	struct sd *sd = (struct sd *) gspca_dev;
1129
1130	*val = sd->gain;
1131	return 0;
1132}
1133static int sd_setexpo(struct gspca_dev *gspca_dev, __s32 val)
1134{
1135	struct sd *sd = (struct sd *) gspca_dev;
1136
1137	sd->expo = val;
1138	if (gspca_dev->streaming)
1139		sd->do_ctrl = 1;
1140	return 0;
1141}
1142
1143static int sd_getexpo(struct gspca_dev *gspca_dev, __s32 *val)
1144{
1145	struct sd *sd = (struct sd *) gspca_dev;
1146
1147	*val = sd->expo;
1148	return 0;
1149}
1150
1151/* sub-driver description */
1152static const struct sd_desc sd_desc = {
1153	.name   = MODULE_NAME,
1154	.ctrls = sd_ctrls,
1155	.nctrls = ARRAY_SIZE(sd_ctrls),
1156	.config = sd_config,
1157	.init   = sd_init,
1158	.isoc_init = sd_isoc_init,
1159	.start  = sd_start,
1160	.stopN  = sd_stopN,
1161	.pkt_scan = sd_pkt_scan,
1162	.dq_callback = sd_dq_callback,
1163};
1164
1165/* Table of supported USB devices */
1166#define ST(sensor, type) \
1167	.driver_info = (SENSOR_ ## sensor << 8) \
1168			| (type)
1169static const struct usb_device_id device_table[] = {
1170	{USB_DEVICE(0x041e, 0x4038), ST(MI0360, 0)},
1171	{USB_DEVICE(0x041e, 0x403c), ST(LZ24BP, 0)},
1172	{USB_DEVICE(0x041e, 0x403d), ST(LZ24BP, 0)},
1173	{USB_DEVICE(0x041e, 0x4041), ST(LZ24BP, Creative_live_motion)},
1174	{USB_DEVICE(0x2770, 0x930b), ST(MI0360, 0)},
1175	{USB_DEVICE(0x2770, 0x930c), ST(MI0360, 0)},
1176	{}
1177};
1178MODULE_DEVICE_TABLE(usb, device_table);
1179
1180
1181/* -- device connect -- */
1182static int sd_probe(struct usb_interface *intf,
1183		const struct usb_device_id *id)
1184{
1185	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1186			THIS_MODULE);
1187}
1188
1189static struct usb_driver sd_driver = {
1190	.name	    = MODULE_NAME,
1191	.id_table   = device_table,
1192	.probe	    = sd_probe,
1193	.disconnect = gspca_disconnect,
1194#ifdef CONFIG_PM
1195	.suspend    = gspca_suspend,
1196	.resume     = gspca_resume,
1197#endif
1198};
1199
1200module_usb_driver(sd_driver);
1201