1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * SQ930x subdriver
4 *
5 * Copyright (C) 2010 Jean-Fran��ois 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
16MODULE_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>");
19MODULE_DESCRIPTION("GSPCA/SQ930x USB Camera Driver");
20MODULE_LICENSE("GPL");
21
22/* Structure to hold all of our device specific stuff */
23struct 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};
38enum sensors {
39	SENSOR_ICX098BQ,
40	SENSOR_LZ24BP,
41	SENSOR_MI0360,
42	SENSOR_MT9V111,		/* = MI360SOC */
43	SENSOR_OV7660,
44	SENSOR_OV9630,
45};
46
47static 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
80struct ucbus_write_cmd {
81	u16	bw_addr;
82	u8	bw_data;
83};
84struct i2c_write_cmd {
85	u8	reg;
86	u16	val;
87};
88
89static 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};
117static 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
126static 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
137static 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};
165static 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
174static 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
183static 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
194static 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};
198static 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};
204static const struct i2c_write_cmd mi0360_init_24[] = {
205	{0x03, 0x01e5},		/* window height */
206	{0x04, 0x0285},		/* window width */
207};
208static 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};
215static 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};
223static const struct i2c_write_cmd mi0360_start_2[] = {
224	{0x62, 0x041d},		/* reserved - def 0x0418 */
225};
226static const struct i2c_write_cmd mi0360_start_3[] = {
227	{0x05, 0x007b},		/* horiz blanking */
228};
229static const struct i2c_write_cmd mi0360_start_4[] = {
230	{0x05, 0x03f5},		/* horiz blanking */
231};
232
233static 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};
239static const struct i2c_write_cmd mt9v111_init_1[] = {
240	{0x03, 0x01e5},		/* window height */
241	{0x04, 0x0285},		/* window width */
242};
243static 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};
253static 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};
261static const struct i2c_write_cmd mt9v111_init_3[] = {
262	{0x62, 0x0405},
263};
264static const struct i2c_write_cmd mt9v111_init_4[] = {
265/*	{0x05, 0x00ce}, */
266	{0x05, 0x005d},		/* horizontal blanking */
267};
268
269static 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
274static 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] */
280static 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
334struct 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
343static 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
412static 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
436static 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
456static 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
479static 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
524static 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
584static 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
604static 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
614static 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
625static 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
664static 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
699static 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
740static 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
750static 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 */
805static 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 */
823static 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 */
877static 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
890static 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 */
896static 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 */
908static 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);
1008out:
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
1019static 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. */
1030static 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
1051static 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
1064static 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
1083static const struct v4l2_ctrl_ops sd_ctrl_ops = {
1084	.s_ctrl = sd_s_ctrl,
1085};
1086
1087static 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 */
1108static 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)
1124static 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};
1133MODULE_DEVICE_TABLE(usb, device_table);
1134
1135
1136/* -- device connect -- */
1137static 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
1144static 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
1156module_usb_driver(sd_driver);
1157