1/*
2 * USB IBM C-It Video Camera driver
3 *
4 * Supports Xirlink C-It Video Camera, IBM PC Camera,
5 * IBM NetCamera and Veo Stingray.
6 *
7 * Copyright (C) 2010 Hans de Goede <hdegoede@redhat.com>
8 *
9 * This driver is based on earlier work of:
10 *
11 * (C) Copyright 1999 Johannes Erdfelt
12 * (C) Copyright 1999 Randy Dunlap
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
27 *
28 */
29
30#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
31
32#define MODULE_NAME "xirlink-cit"
33
34#include <linux/input.h>
35#include "gspca.h"
36
37MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
38MODULE_DESCRIPTION("Xirlink C-IT");
39MODULE_LICENSE("GPL");
40
41/* FIXME we should autodetect this */
42static int ibm_netcam_pro;
43module_param(ibm_netcam_pro, int, 0);
44MODULE_PARM_DESC(ibm_netcam_pro,
45		 "Use IBM Netcamera Pro init sequences for Model 3 cams");
46
47/* FIXME this should be handled through the V4L2 input selection API */
48static int rca_input;
49module_param(rca_input, int, 0644);
50MODULE_PARM_DESC(rca_input,
51		 "Use rca input instead of ccd sensor on Model 3 cams");
52
53/* specific webcam descriptor */
54struct sd {
55	struct gspca_dev gspca_dev;		/* !! must be the first item */
56	struct v4l2_ctrl *lighting;
57	u8 model;
58#define CIT_MODEL0 0 /* bcd version 0.01 cams ie the xvp-500 */
59#define CIT_MODEL1 1 /* The model 1 - 4 nomenclature comes from the old */
60#define CIT_MODEL2 2 /* ibmcam driver */
61#define CIT_MODEL3 3
62#define CIT_MODEL4 4
63#define CIT_IBM_NETCAM_PRO 5
64	u8 input_index;
65	u8 button_state;
66	u8 stop_on_control_change;
67	u8 sof_read;
68	u8 sof_len;
69};
70
71static void sd_stop0(struct gspca_dev *gspca_dev);
72
73static const struct v4l2_pix_format cif_yuv_mode[] = {
74	{176, 144, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
75		.bytesperline = 176,
76		.sizeimage = 176 * 144 * 3 / 2 + 4,
77		.colorspace = V4L2_COLORSPACE_SRGB},
78	{352, 288, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
79		.bytesperline = 352,
80		.sizeimage = 352 * 288 * 3 / 2 + 4,
81		.colorspace = V4L2_COLORSPACE_SRGB},
82};
83
84static const struct v4l2_pix_format vga_yuv_mode[] = {
85	{160, 120, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
86		.bytesperline = 160,
87		.sizeimage = 160 * 120 * 3 / 2 + 4,
88		.colorspace = V4L2_COLORSPACE_SRGB},
89	{320, 240, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
90		.bytesperline = 320,
91		.sizeimage = 320 * 240 * 3 / 2 + 4,
92		.colorspace = V4L2_COLORSPACE_SRGB},
93	{640, 480, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
94		.bytesperline = 640,
95		.sizeimage = 640 * 480 * 3 / 2 + 4,
96		.colorspace = V4L2_COLORSPACE_SRGB},
97};
98
99static const struct v4l2_pix_format model0_mode[] = {
100	{160, 120, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
101		.bytesperline = 160,
102		.sizeimage = 160 * 120 * 3 / 2 + 4,
103		.colorspace = V4L2_COLORSPACE_SRGB},
104	{176, 144, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
105		.bytesperline = 176,
106		.sizeimage = 176 * 144 * 3 / 2 + 4,
107		.colorspace = V4L2_COLORSPACE_SRGB},
108	{320, 240, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
109		.bytesperline = 320,
110		.sizeimage = 320 * 240 * 3 / 2 + 4,
111		.colorspace = V4L2_COLORSPACE_SRGB},
112};
113
114static const struct v4l2_pix_format model2_mode[] = {
115	{160, 120, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
116		.bytesperline = 160,
117		.sizeimage = 160 * 120 * 3 / 2 + 4,
118		.colorspace = V4L2_COLORSPACE_SRGB},
119	{176, 144, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
120		.bytesperline = 176,
121		.sizeimage = 176 * 144 * 3 / 2 + 4,
122		.colorspace = V4L2_COLORSPACE_SRGB},
123	{320, 240, V4L2_PIX_FMT_SGRBG8, V4L2_FIELD_NONE,
124		.bytesperline = 320,
125		.sizeimage = 320 * 240 + 4,
126		.colorspace = V4L2_COLORSPACE_SRGB},
127	{352, 288, V4L2_PIX_FMT_SGRBG8, V4L2_FIELD_NONE,
128		.bytesperline = 352,
129		.sizeimage = 352 * 288 + 4,
130		.colorspace = V4L2_COLORSPACE_SRGB},
131};
132
133/*
134 * 01.01.08 - Added for RCA video in support -LO
135 * This struct is used to init the Model3 cam to use the RCA video in port
136 * instead of the CCD sensor.
137 */
138static const u16 rca_initdata[][3] = {
139	{0, 0x0000, 0x010c},
140	{0, 0x0006, 0x012c},
141	{0, 0x0078, 0x012d},
142	{0, 0x0046, 0x012f},
143	{0, 0xd141, 0x0124},
144	{0, 0x0000, 0x0127},
145	{0, 0xfea8, 0x0124},
146	{1, 0x0000, 0x0116},
147	{0, 0x0064, 0x0116},
148	{1, 0x0000, 0x0115},
149	{0, 0x0003, 0x0115},
150	{0, 0x0008, 0x0123},
151	{0, 0x0000, 0x0117},
152	{0, 0x0000, 0x0112},
153	{0, 0x0080, 0x0100},
154	{0, 0x0000, 0x0100},
155	{1, 0x0000, 0x0116},
156	{0, 0x0060, 0x0116},
157	{0, 0x0002, 0x0112},
158	{0, 0x0000, 0x0123},
159	{0, 0x0001, 0x0117},
160	{0, 0x0040, 0x0108},
161	{0, 0x0019, 0x012c},
162	{0, 0x0040, 0x0116},
163	{0, 0x000a, 0x0115},
164	{0, 0x000b, 0x0115},
165	{0, 0x0078, 0x012d},
166	{0, 0x0046, 0x012f},
167	{0, 0xd141, 0x0124},
168	{0, 0x0000, 0x0127},
169	{0, 0xfea8, 0x0124},
170	{0, 0x0064, 0x0116},
171	{0, 0x0000, 0x0115},
172	{0, 0x0001, 0x0115},
173	{0, 0xffff, 0x0124},
174	{0, 0xfff9, 0x0124},
175	{0, 0x0086, 0x0127},
176	{0, 0xfff8, 0x0124},
177	{0, 0xfffd, 0x0124},
178	{0, 0x00aa, 0x0127},
179	{0, 0xfff8, 0x0124},
180	{0, 0xfffd, 0x0124},
181	{0, 0x0000, 0x0127},
182	{0, 0xfff8, 0x0124},
183	{0, 0xfffd, 0x0124},
184	{0, 0xfffa, 0x0124},
185	{0, 0xffff, 0x0124},
186	{0, 0xfff9, 0x0124},
187	{0, 0x0086, 0x0127},
188	{0, 0xfff8, 0x0124},
189	{0, 0xfffd, 0x0124},
190	{0, 0x00f2, 0x0127},
191	{0, 0xfff8, 0x0124},
192	{0, 0xfffd, 0x0124},
193	{0, 0x000f, 0x0127},
194	{0, 0xfff8, 0x0124},
195	{0, 0xfffd, 0x0124},
196	{0, 0xfffa, 0x0124},
197	{0, 0xffff, 0x0124},
198	{0, 0xfff9, 0x0124},
199	{0, 0x0086, 0x0127},
200	{0, 0xfff8, 0x0124},
201	{0, 0xfffd, 0x0124},
202	{0, 0x00f8, 0x0127},
203	{0, 0xfff8, 0x0124},
204	{0, 0xfffd, 0x0124},
205	{0, 0x00fc, 0x0127},
206	{0, 0xfff8, 0x0124},
207	{0, 0xfffd, 0x0124},
208	{0, 0xfffa, 0x0124},
209	{0, 0xffff, 0x0124},
210	{0, 0xfff9, 0x0124},
211	{0, 0x0086, 0x0127},
212	{0, 0xfff8, 0x0124},
213	{0, 0xfffd, 0x0124},
214	{0, 0x00f9, 0x0127},
215	{0, 0xfff8, 0x0124},
216	{0, 0xfffd, 0x0124},
217	{0, 0x003c, 0x0127},
218	{0, 0xfff8, 0x0124},
219	{0, 0xfffd, 0x0124},
220	{0, 0xfffa, 0x0124},
221	{0, 0xffff, 0x0124},
222	{0, 0xfff9, 0x0124},
223	{0, 0x0086, 0x0127},
224	{0, 0xfff8, 0x0124},
225	{0, 0xfffd, 0x0124},
226	{0, 0x0027, 0x0127},
227	{0, 0xfff8, 0x0124},
228	{0, 0xfffd, 0x0124},
229	{0, 0x0019, 0x0127},
230	{0, 0xfff8, 0x0124},
231	{0, 0xfffd, 0x0124},
232	{0, 0xfffa, 0x0124},
233	{0, 0xfff9, 0x0124},
234	{0, 0x0086, 0x0127},
235	{0, 0xfff8, 0x0124},
236	{0, 0xfffd, 0x0124},
237	{0, 0x0037, 0x0127},
238	{0, 0xfff8, 0x0124},
239	{0, 0xfffd, 0x0124},
240	{0, 0x0000, 0x0127},
241	{0, 0xfff8, 0x0124},
242	{0, 0xfffd, 0x0124},
243	{0, 0x0021, 0x0127},
244	{0, 0xfff8, 0x0124},
245	{0, 0xfffd, 0x0124},
246	{0, 0xfffa, 0x0124},
247	{0, 0xfff9, 0x0124},
248	{0, 0x0086, 0x0127},
249	{0, 0xfff8, 0x0124},
250	{0, 0xfffd, 0x0124},
251	{0, 0x0038, 0x0127},
252	{0, 0xfff8, 0x0124},
253	{0, 0xfffd, 0x0124},
254	{0, 0x0006, 0x0127},
255	{0, 0xfff8, 0x0124},
256	{0, 0xfffd, 0x0124},
257	{0, 0x0045, 0x0127},
258	{0, 0xfff8, 0x0124},
259	{0, 0xfffd, 0x0124},
260	{0, 0xfffa, 0x0124},
261	{0, 0xfff9, 0x0124},
262	{0, 0x0086, 0x0127},
263	{0, 0xfff8, 0x0124},
264	{0, 0xfffd, 0x0124},
265	{0, 0x0037, 0x0127},
266	{0, 0xfff8, 0x0124},
267	{0, 0xfffd, 0x0124},
268	{0, 0x0001, 0x0127},
269	{0, 0xfff8, 0x0124},
270	{0, 0xfffd, 0x0124},
271	{0, 0x002a, 0x0127},
272	{0, 0xfff8, 0x0124},
273	{0, 0xfffd, 0x0124},
274	{0, 0xfffa, 0x0124},
275	{0, 0xfff9, 0x0124},
276	{0, 0x0086, 0x0127},
277	{0, 0xfff8, 0x0124},
278	{0, 0xfffd, 0x0124},
279	{0, 0x0038, 0x0127},
280	{0, 0xfff8, 0x0124},
281	{0, 0xfffd, 0x0124},
282	{0, 0x0000, 0x0127},
283	{0, 0xfff8, 0x0124},
284	{0, 0xfffd, 0x0124},
285	{0, 0x000e, 0x0127},
286	{0, 0xfff8, 0x0124},
287	{0, 0xfffd, 0x0124},
288	{0, 0xfffa, 0x0124},
289	{0, 0xfff9, 0x0124},
290	{0, 0x0086, 0x0127},
291	{0, 0xfff8, 0x0124},
292	{0, 0xfffd, 0x0124},
293	{0, 0x0037, 0x0127},
294	{0, 0xfff8, 0x0124},
295	{0, 0xfffd, 0x0124},
296	{0, 0x0001, 0x0127},
297	{0, 0xfff8, 0x0124},
298	{0, 0xfffd, 0x0124},
299	{0, 0x002b, 0x0127},
300	{0, 0xfff8, 0x0124},
301	{0, 0xfffd, 0x0124},
302	{0, 0xfffa, 0x0124},
303	{0, 0xfff9, 0x0124},
304	{0, 0x0086, 0x0127},
305	{0, 0xfff8, 0x0124},
306	{0, 0xfffd, 0x0124},
307	{0, 0x0038, 0x0127},
308	{0, 0xfff8, 0x0124},
309	{0, 0xfffd, 0x0124},
310	{0, 0x0001, 0x0127},
311	{0, 0xfff8, 0x0124},
312	{0, 0xfffd, 0x0124},
313	{0, 0x00f4, 0x0127},
314	{0, 0xfff8, 0x0124},
315	{0, 0xfffd, 0x0124},
316	{0, 0xfffa, 0x0124},
317	{0, 0xfff9, 0x0124},
318	{0, 0x0086, 0x0127},
319	{0, 0xfff8, 0x0124},
320	{0, 0xfffd, 0x0124},
321	{0, 0x0037, 0x0127},
322	{0, 0xfff8, 0x0124},
323	{0, 0xfffd, 0x0124},
324	{0, 0x0001, 0x0127},
325	{0, 0xfff8, 0x0124},
326	{0, 0xfffd, 0x0124},
327	{0, 0x002c, 0x0127},
328	{0, 0xfff8, 0x0124},
329	{0, 0xfffd, 0x0124},
330	{0, 0xfffa, 0x0124},
331	{0, 0xfff9, 0x0124},
332	{0, 0x0086, 0x0127},
333	{0, 0xfff8, 0x0124},
334	{0, 0xfffd, 0x0124},
335	{0, 0x0038, 0x0127},
336	{0, 0xfff8, 0x0124},
337	{0, 0xfffd, 0x0124},
338	{0, 0x0001, 0x0127},
339	{0, 0xfff8, 0x0124},
340	{0, 0xfffd, 0x0124},
341	{0, 0x0004, 0x0127},
342	{0, 0xfff8, 0x0124},
343	{0, 0xfffd, 0x0124},
344	{0, 0xfffa, 0x0124},
345	{0, 0xfff9, 0x0124},
346	{0, 0x0086, 0x0127},
347	{0, 0xfff8, 0x0124},
348	{0, 0xfffd, 0x0124},
349	{0, 0x0037, 0x0127},
350	{0, 0xfff8, 0x0124},
351	{0, 0xfffd, 0x0124},
352	{0, 0x0001, 0x0127},
353	{0, 0xfff8, 0x0124},
354	{0, 0xfffd, 0x0124},
355	{0, 0x002d, 0x0127},
356	{0, 0xfff8, 0x0124},
357	{0, 0xfffd, 0x0124},
358	{0, 0xfffa, 0x0124},
359	{0, 0xfff9, 0x0124},
360	{0, 0x0086, 0x0127},
361	{0, 0xfff8, 0x0124},
362	{0, 0xfffd, 0x0124},
363	{0, 0x0038, 0x0127},
364	{0, 0xfff8, 0x0124},
365	{0, 0xfffd, 0x0124},
366	{0, 0x0000, 0x0127},
367	{0, 0xfff8, 0x0124},
368	{0, 0xfffd, 0x0124},
369	{0, 0x0014, 0x0127},
370	{0, 0xfff8, 0x0124},
371	{0, 0xfffd, 0x0124},
372	{0, 0xfffa, 0x0124},
373	{0, 0xfff9, 0x0124},
374	{0, 0x0086, 0x0127},
375	{0, 0xfff8, 0x0124},
376	{0, 0xfffd, 0x0124},
377	{0, 0x0037, 0x0127},
378	{0, 0xfff8, 0x0124},
379	{0, 0xfffd, 0x0124},
380	{0, 0x0001, 0x0127},
381	{0, 0xfff8, 0x0124},
382	{0, 0xfffd, 0x0124},
383	{0, 0x002e, 0x0127},
384	{0, 0xfff8, 0x0124},
385	{0, 0xfffd, 0x0124},
386	{0, 0xfffa, 0x0124},
387	{0, 0xfff9, 0x0124},
388	{0, 0x0086, 0x0127},
389	{0, 0xfff8, 0x0124},
390	{0, 0xfffd, 0x0124},
391	{0, 0x0038, 0x0127},
392	{0, 0xfff8, 0x0124},
393	{0, 0xfffd, 0x0124},
394	{0, 0x0003, 0x0127},
395	{0, 0xfff8, 0x0124},
396	{0, 0xfffd, 0x0124},
397	{0, 0x0000, 0x0127},
398	{0, 0xfff8, 0x0124},
399	{0, 0xfffd, 0x0124},
400	{0, 0xfffa, 0x0124},
401	{0, 0xfff9, 0x0124},
402	{0, 0x0086, 0x0127},
403	{0, 0xfff8, 0x0124},
404	{0, 0xfffd, 0x0124},
405	{0, 0x0037, 0x0127},
406	{0, 0xfff8, 0x0124},
407	{0, 0xfffd, 0x0124},
408	{0, 0x0001, 0x0127},
409	{0, 0xfff8, 0x0124},
410	{0, 0xfffd, 0x0124},
411	{0, 0x002f, 0x0127},
412	{0, 0xfff8, 0x0124},
413	{0, 0xfffd, 0x0124},
414	{0, 0xfffa, 0x0124},
415	{0, 0xfff9, 0x0124},
416	{0, 0x0086, 0x0127},
417	{0, 0xfff8, 0x0124},
418	{0, 0xfffd, 0x0124},
419	{0, 0x0038, 0x0127},
420	{0, 0xfff8, 0x0124},
421	{0, 0xfffd, 0x0124},
422	{0, 0x0003, 0x0127},
423	{0, 0xfff8, 0x0124},
424	{0, 0xfffd, 0x0124},
425	{0, 0x0014, 0x0127},
426	{0, 0xfff8, 0x0124},
427	{0, 0xfffd, 0x0124},
428	{0, 0xfffa, 0x0124},
429	{0, 0xfff9, 0x0124},
430	{0, 0x0086, 0x0127},
431	{0, 0xfff8, 0x0124},
432	{0, 0xfffd, 0x0124},
433	{0, 0x0037, 0x0127},
434	{0, 0xfff8, 0x0124},
435	{0, 0xfffd, 0x0124},
436	{0, 0x0001, 0x0127},
437	{0, 0xfff8, 0x0124},
438	{0, 0xfffd, 0x0124},
439	{0, 0x0040, 0x0127},
440	{0, 0xfff8, 0x0124},
441	{0, 0xfffd, 0x0124},
442	{0, 0xfffa, 0x0124},
443	{0, 0xfff9, 0x0124},
444	{0, 0x0086, 0x0127},
445	{0, 0xfff8, 0x0124},
446	{0, 0xfffd, 0x0124},
447	{0, 0x0038, 0x0127},
448	{0, 0xfff8, 0x0124},
449	{0, 0xfffd, 0x0124},
450	{0, 0x0000, 0x0127},
451	{0, 0xfff8, 0x0124},
452	{0, 0xfffd, 0x0124},
453	{0, 0x0040, 0x0127},
454	{0, 0xfff8, 0x0124},
455	{0, 0xfffd, 0x0124},
456	{0, 0xfffa, 0x0124},
457	{0, 0xfff9, 0x0124},
458	{0, 0x0086, 0x0127},
459	{0, 0xfff8, 0x0124},
460	{0, 0xfffd, 0x0124},
461	{0, 0x0037, 0x0127},
462	{0, 0xfff8, 0x0124},
463	{0, 0xfffd, 0x0124},
464	{0, 0x0001, 0x0127},
465	{0, 0xfff8, 0x0124},
466	{0, 0xfffd, 0x0124},
467	{0, 0x0053, 0x0127},
468	{0, 0xfff8, 0x0124},
469	{0, 0xfffd, 0x0124},
470	{0, 0xfffa, 0x0124},
471	{0, 0xfff9, 0x0124},
472	{0, 0x0086, 0x0127},
473	{0, 0xfff8, 0x0124},
474	{0, 0xfffd, 0x0124},
475	{0, 0x0038, 0x0127},
476	{0, 0xfff8, 0x0124},
477	{0, 0xfffd, 0x0124},
478	{0, 0x0000, 0x0127},
479	{0, 0xfff8, 0x0124},
480	{0, 0xfffd, 0x0124},
481	{0, 0x0038, 0x0127},
482	{0, 0xfff8, 0x0124},
483	{0, 0xfffd, 0x0124},
484	{0, 0xfffa, 0x0124},
485	{0, 0x0000, 0x0101},
486	{0, 0x00a0, 0x0103},
487	{0, 0x0078, 0x0105},
488	{0, 0x0000, 0x010a},
489	{0, 0x0024, 0x010b},
490	{0, 0x0028, 0x0119},
491	{0, 0x0088, 0x011b},
492	{0, 0x0002, 0x011d},
493	{0, 0x0003, 0x011e},
494	{0, 0x0000, 0x0129},
495	{0, 0x00fc, 0x012b},
496	{0, 0x0008, 0x0102},
497	{0, 0x0000, 0x0104},
498	{0, 0x0008, 0x011a},
499	{0, 0x0028, 0x011c},
500	{0, 0x0021, 0x012a},
501	{0, 0x0000, 0x0118},
502	{0, 0x0000, 0x0132},
503	{0, 0x0000, 0x0109},
504	{0, 0xfff9, 0x0124},
505	{0, 0x0086, 0x0127},
506	{0, 0xfff8, 0x0124},
507	{0, 0xfffd, 0x0124},
508	{0, 0x0037, 0x0127},
509	{0, 0xfff8, 0x0124},
510	{0, 0xfffd, 0x0124},
511	{0, 0x0001, 0x0127},
512	{0, 0xfff8, 0x0124},
513	{0, 0xfffd, 0x0124},
514	{0, 0x0031, 0x0127},
515	{0, 0xfff8, 0x0124},
516	{0, 0xfffd, 0x0124},
517	{0, 0xfffa, 0x0124},
518	{0, 0xfff9, 0x0124},
519	{0, 0x0086, 0x0127},
520	{0, 0xfff8, 0x0124},
521	{0, 0xfffd, 0x0124},
522	{0, 0x0038, 0x0127},
523	{0, 0xfff8, 0x0124},
524	{0, 0xfffd, 0x0124},
525	{0, 0x0000, 0x0127},
526	{0, 0xfff8, 0x0124},
527	{0, 0xfffd, 0x0124},
528	{0, 0x0000, 0x0127},
529	{0, 0xfff8, 0x0124},
530	{0, 0xfffd, 0x0124},
531	{0, 0xfffa, 0x0124},
532	{0, 0xfff9, 0x0124},
533	{0, 0x0086, 0x0127},
534	{0, 0xfff8, 0x0124},
535	{0, 0xfffd, 0x0124},
536	{0, 0x0037, 0x0127},
537	{0, 0xfff8, 0x0124},
538	{0, 0xfffd, 0x0124},
539	{0, 0x0001, 0x0127},
540	{0, 0xfff8, 0x0124},
541	{0, 0xfffd, 0x0124},
542	{0, 0x0040, 0x0127},
543	{0, 0xfff8, 0x0124},
544	{0, 0xfffd, 0x0124},
545	{0, 0xfffa, 0x0124},
546	{0, 0xfff9, 0x0124},
547	{0, 0x0086, 0x0127},
548	{0, 0xfff8, 0x0124},
549	{0, 0xfffd, 0x0124},
550	{0, 0x0038, 0x0127},
551	{0, 0xfff8, 0x0124},
552	{0, 0xfffd, 0x0124},
553	{0, 0x0000, 0x0127},
554	{0, 0xfff8, 0x0124},
555	{0, 0xfffd, 0x0124},
556	{0, 0x0040, 0x0127},
557	{0, 0xfff8, 0x0124},
558	{0, 0xfffd, 0x0124},
559	{0, 0xfffa, 0x0124},
560	{0, 0xfff9, 0x0124},
561	{0, 0x0086, 0x0127},
562	{0, 0xfff8, 0x0124},
563	{0, 0xfffd, 0x0124},
564	{0, 0x0037, 0x0127},
565	{0, 0xfff8, 0x0124},
566	{0, 0xfffd, 0x0124},
567	{0, 0x0000, 0x0127},
568	{0, 0xfff8, 0x0124},
569	{0, 0xfffd, 0x0124},
570	{0, 0x00dc, 0x0127},
571	{0, 0xfff8, 0x0124},
572	{0, 0xfffd, 0x0124},
573	{0, 0xfffa, 0x0124},
574	{0, 0xfff9, 0x0124},
575	{0, 0x0086, 0x0127},
576	{0, 0xfff8, 0x0124},
577	{0, 0xfffd, 0x0124},
578	{0, 0x0038, 0x0127},
579	{0, 0xfff8, 0x0124},
580	{0, 0xfffd, 0x0124},
581	{0, 0x0000, 0x0127},
582	{0, 0xfff8, 0x0124},
583	{0, 0xfffd, 0x0124},
584	{0, 0x0000, 0x0127},
585	{0, 0xfff8, 0x0124},
586	{0, 0xfffd, 0x0124},
587	{0, 0xfffa, 0x0124},
588	{0, 0xfff9, 0x0124},
589	{0, 0x0086, 0x0127},
590	{0, 0xfff8, 0x0124},
591	{0, 0xfffd, 0x0124},
592	{0, 0x0037, 0x0127},
593	{0, 0xfff8, 0x0124},
594	{0, 0xfffd, 0x0124},
595	{0, 0x0001, 0x0127},
596	{0, 0xfff8, 0x0124},
597	{0, 0xfffd, 0x0124},
598	{0, 0x0032, 0x0127},
599	{0, 0xfff8, 0x0124},
600	{0, 0xfffd, 0x0124},
601	{0, 0xfffa, 0x0124},
602	{0, 0xfff9, 0x0124},
603	{0, 0x0086, 0x0127},
604	{0, 0xfff8, 0x0124},
605	{0, 0xfffd, 0x0124},
606	{0, 0x0038, 0x0127},
607	{0, 0xfff8, 0x0124},
608	{0, 0xfffd, 0x0124},
609	{0, 0x0001, 0x0127},
610	{0, 0xfff8, 0x0124},
611	{0, 0xfffd, 0x0124},
612	{0, 0x0020, 0x0127},
613	{0, 0xfff8, 0x0124},
614	{0, 0xfffd, 0x0124},
615	{0, 0xfffa, 0x0124},
616	{0, 0xfff9, 0x0124},
617	{0, 0x0086, 0x0127},
618	{0, 0xfff8, 0x0124},
619	{0, 0xfffd, 0x0124},
620	{0, 0x0037, 0x0127},
621	{0, 0xfff8, 0x0124},
622	{0, 0xfffd, 0x0124},
623	{0, 0x0001, 0x0127},
624	{0, 0xfff8, 0x0124},
625	{0, 0xfffd, 0x0124},
626	{0, 0x0040, 0x0127},
627	{0, 0xfff8, 0x0124},
628	{0, 0xfffd, 0x0124},
629	{0, 0xfffa, 0x0124},
630	{0, 0xfff9, 0x0124},
631	{0, 0x0086, 0x0127},
632	{0, 0xfff8, 0x0124},
633	{0, 0xfffd, 0x0124},
634	{0, 0x0038, 0x0127},
635	{0, 0xfff8, 0x0124},
636	{0, 0xfffd, 0x0124},
637	{0, 0x0000, 0x0127},
638	{0, 0xfff8, 0x0124},
639	{0, 0xfffd, 0x0124},
640	{0, 0x0040, 0x0127},
641	{0, 0xfff8, 0x0124},
642	{0, 0xfffd, 0x0124},
643	{0, 0xfffa, 0x0124},
644	{0, 0xfff9, 0x0124},
645	{0, 0x0086, 0x0127},
646	{0, 0xfff8, 0x0124},
647	{0, 0xfffd, 0x0124},
648	{0, 0x0037, 0x0127},
649	{0, 0xfff8, 0x0124},
650	{0, 0xfffd, 0x0124},
651	{0, 0x0000, 0x0127},
652	{0, 0xfff8, 0x0124},
653	{0, 0xfffd, 0x0124},
654	{0, 0x0030, 0x0127},
655	{0, 0xfff8, 0x0124},
656	{0, 0xfffd, 0x0124},
657	{0, 0xfffa, 0x0124},
658	{0, 0xfff9, 0x0124},
659	{0, 0x0086, 0x0127},
660	{0, 0xfff8, 0x0124},
661	{0, 0xfffd, 0x0124},
662	{0, 0x0038, 0x0127},
663	{0, 0xfff8, 0x0124},
664	{0, 0xfffd, 0x0124},
665	{0, 0x0008, 0x0127},
666	{0, 0xfff8, 0x0124},
667	{0, 0xfffd, 0x0124},
668	{0, 0x0000, 0x0127},
669	{0, 0xfff8, 0x0124},
670	{0, 0xfffd, 0x0124},
671	{0, 0xfffa, 0x0124},
672	{0, 0x0003, 0x0111},
673};
674
675/* TESTME the old ibmcam driver repeats certain commands to Model1 cameras, we
676   do the same for now (testing needed to see if this is really necessary) */
677static const int cit_model1_ntries = 5;
678static const int cit_model1_ntries2 = 2;
679
680static int cit_write_reg(struct gspca_dev *gspca_dev, u16 value, u16 index)
681{
682	struct usb_device *udev = gspca_dev->dev;
683	int err;
684
685	err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x00,
686			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT,
687			value, index, NULL, 0, 1000);
688	if (err < 0)
689		pr_err("Failed to write a register (index 0x%04X, value 0x%02X, error %d)\n",
690		       index, value, err);
691
692	return 0;
693}
694
695static int cit_read_reg(struct gspca_dev *gspca_dev, u16 index, int verbose)
696{
697	struct usb_device *udev = gspca_dev->dev;
698	__u8 *buf = gspca_dev->usb_buf;
699	int res;
700
701	res = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x01,
702			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT,
703			0x00, index, buf, 8, 1000);
704	if (res < 0) {
705		pr_err("Failed to read a register (index 0x%04X, error %d)\n",
706		       index, res);
707		return res;
708	}
709
710	if (verbose)
711		PDEBUG(D_PROBE, "Register %04x value: %02x", index, buf[0]);
712
713	return 0;
714}
715
716/*
717 * cit_send_FF_04_02()
718 *
719 * This procedure sends magic 3-command prefix to the camera.
720 * The purpose of this prefix is not known.
721 *
722 * History:
723 * 1/2/00   Created.
724 */
725static void cit_send_FF_04_02(struct gspca_dev *gspca_dev)
726{
727	cit_write_reg(gspca_dev, 0x00FF, 0x0127);
728	cit_write_reg(gspca_dev, 0x0004, 0x0124);
729	cit_write_reg(gspca_dev, 0x0002, 0x0124);
730}
731
732static void cit_send_00_04_06(struct gspca_dev *gspca_dev)
733{
734	cit_write_reg(gspca_dev, 0x0000, 0x0127);
735	cit_write_reg(gspca_dev, 0x0004, 0x0124);
736	cit_write_reg(gspca_dev, 0x0006, 0x0124);
737}
738
739static void cit_send_x_00(struct gspca_dev *gspca_dev, unsigned short x)
740{
741	cit_write_reg(gspca_dev, x,      0x0127);
742	cit_write_reg(gspca_dev, 0x0000, 0x0124);
743}
744
745static void cit_send_x_00_05(struct gspca_dev *gspca_dev, unsigned short x)
746{
747	cit_send_x_00(gspca_dev, x);
748	cit_write_reg(gspca_dev, 0x0005, 0x0124);
749}
750
751static void cit_send_x_00_05_02(struct gspca_dev *gspca_dev, unsigned short x)
752{
753	cit_write_reg(gspca_dev, x,      0x0127);
754	cit_write_reg(gspca_dev, 0x0000, 0x0124);
755	cit_write_reg(gspca_dev, 0x0005, 0x0124);
756	cit_write_reg(gspca_dev, 0x0002, 0x0124);
757}
758
759static void cit_send_x_01_00_05(struct gspca_dev *gspca_dev, u16 x)
760{
761	cit_write_reg(gspca_dev, x,      0x0127);
762	cit_write_reg(gspca_dev, 0x0001, 0x0124);
763	cit_write_reg(gspca_dev, 0x0000, 0x0124);
764	cit_write_reg(gspca_dev, 0x0005, 0x0124);
765}
766
767static void cit_send_x_00_05_02_01(struct gspca_dev *gspca_dev, u16 x)
768{
769	cit_write_reg(gspca_dev, x,      0x0127);
770	cit_write_reg(gspca_dev, 0x0000, 0x0124);
771	cit_write_reg(gspca_dev, 0x0005, 0x0124);
772	cit_write_reg(gspca_dev, 0x0002, 0x0124);
773	cit_write_reg(gspca_dev, 0x0001, 0x0124);
774}
775
776static void cit_send_x_00_05_02_08_01(struct gspca_dev *gspca_dev, u16 x)
777{
778	cit_write_reg(gspca_dev, x,      0x0127);
779	cit_write_reg(gspca_dev, 0x0000, 0x0124);
780	cit_write_reg(gspca_dev, 0x0005, 0x0124);
781	cit_write_reg(gspca_dev, 0x0002, 0x0124);
782	cit_write_reg(gspca_dev, 0x0008, 0x0124);
783	cit_write_reg(gspca_dev, 0x0001, 0x0124);
784}
785
786static void cit_Packet_Format1(struct gspca_dev *gspca_dev, u16 fkey, u16 val)
787{
788	cit_send_x_01_00_05(gspca_dev, 0x0088);
789	cit_send_x_00_05(gspca_dev, fkey);
790	cit_send_x_00_05_02_08_01(gspca_dev, val);
791	cit_send_x_00_05(gspca_dev, 0x0088);
792	cit_send_x_00_05_02_01(gspca_dev, fkey);
793	cit_send_x_00_05(gspca_dev, 0x0089);
794	cit_send_x_00(gspca_dev, fkey);
795	cit_send_00_04_06(gspca_dev);
796	cit_read_reg(gspca_dev, 0x0126, 0);
797	cit_send_FF_04_02(gspca_dev);
798}
799
800static void cit_PacketFormat2(struct gspca_dev *gspca_dev, u16 fkey, u16 val)
801{
802	cit_send_x_01_00_05(gspca_dev, 0x0088);
803	cit_send_x_00_05(gspca_dev, fkey);
804	cit_send_x_00_05_02(gspca_dev, val);
805}
806
807static void cit_model2_Packet2(struct gspca_dev *gspca_dev)
808{
809	cit_write_reg(gspca_dev, 0x00ff, 0x012d);
810	cit_write_reg(gspca_dev, 0xfea3, 0x0124);
811}
812
813static void cit_model2_Packet1(struct gspca_dev *gspca_dev, u16 v1, u16 v2)
814{
815	cit_write_reg(gspca_dev, 0x00aa, 0x012d);
816	cit_write_reg(gspca_dev, 0x00ff, 0x012e);
817	cit_write_reg(gspca_dev, v1,     0x012f);
818	cit_write_reg(gspca_dev, 0x00ff, 0x0130);
819	cit_write_reg(gspca_dev, 0xc719, 0x0124);
820	cit_write_reg(gspca_dev, v2,     0x0127);
821
822	cit_model2_Packet2(gspca_dev);
823}
824
825/*
826 * cit_model3_Packet1()
827 *
828 * 00_0078_012d
829 * 00_0097_012f
830 * 00_d141_0124
831 * 00_0096_0127
832 * 00_fea8_0124
833*/
834static void cit_model3_Packet1(struct gspca_dev *gspca_dev, u16 v1, u16 v2)
835{
836	cit_write_reg(gspca_dev, 0x0078, 0x012d);
837	cit_write_reg(gspca_dev, v1,     0x012f);
838	cit_write_reg(gspca_dev, 0xd141, 0x0124);
839	cit_write_reg(gspca_dev, v2,     0x0127);
840	cit_write_reg(gspca_dev, 0xfea8, 0x0124);
841}
842
843static void cit_model4_Packet1(struct gspca_dev *gspca_dev, u16 v1, u16 v2)
844{
845	cit_write_reg(gspca_dev, 0x00aa, 0x012d);
846	cit_write_reg(gspca_dev, v1,     0x012f);
847	cit_write_reg(gspca_dev, 0xd141, 0x0124);
848	cit_write_reg(gspca_dev, v2,     0x0127);
849	cit_write_reg(gspca_dev, 0xfea8, 0x0124);
850}
851
852static void cit_model4_BrightnessPacket(struct gspca_dev *gspca_dev, u16 val)
853{
854	cit_write_reg(gspca_dev, 0x00aa, 0x012d);
855	cit_write_reg(gspca_dev, 0x0026, 0x012f);
856	cit_write_reg(gspca_dev, 0xd141, 0x0124);
857	cit_write_reg(gspca_dev, val,    0x0127);
858	cit_write_reg(gspca_dev, 0x00aa, 0x0130);
859	cit_write_reg(gspca_dev, 0x82a8, 0x0124);
860	cit_write_reg(gspca_dev, 0x0038, 0x012d);
861	cit_write_reg(gspca_dev, 0x0004, 0x012f);
862	cit_write_reg(gspca_dev, 0xd145, 0x0124);
863	cit_write_reg(gspca_dev, 0xfffa, 0x0124);
864}
865
866/* this function is called at probe time */
867static int sd_config(struct gspca_dev *gspca_dev,
868		     const struct usb_device_id *id)
869{
870	struct sd *sd = (struct sd *) gspca_dev;
871	struct cam *cam;
872
873	sd->model = id->driver_info;
874	if (sd->model == CIT_MODEL3 && ibm_netcam_pro)
875		sd->model = CIT_IBM_NETCAM_PRO;
876
877	cam = &gspca_dev->cam;
878	switch (sd->model) {
879	case CIT_MODEL0:
880		cam->cam_mode = model0_mode;
881		cam->nmodes = ARRAY_SIZE(model0_mode);
882		sd->sof_len = 4;
883		break;
884	case CIT_MODEL1:
885		cam->cam_mode = cif_yuv_mode;
886		cam->nmodes = ARRAY_SIZE(cif_yuv_mode);
887		sd->sof_len = 4;
888		break;
889	case CIT_MODEL2:
890		cam->cam_mode = model2_mode + 1; /* no 160x120 */
891		cam->nmodes = 3;
892		break;
893	case CIT_MODEL3:
894		cam->cam_mode = vga_yuv_mode;
895		cam->nmodes = ARRAY_SIZE(vga_yuv_mode);
896		sd->stop_on_control_change = 1;
897		sd->sof_len = 4;
898		break;
899	case CIT_MODEL4:
900		cam->cam_mode = model2_mode;
901		cam->nmodes = ARRAY_SIZE(model2_mode);
902		break;
903	case CIT_IBM_NETCAM_PRO:
904		cam->cam_mode = vga_yuv_mode;
905		cam->nmodes = 2; /* no 640 x 480 */
906		cam->input_flags = V4L2_IN_ST_VFLIP;
907		sd->stop_on_control_change = 1;
908		sd->sof_len = 4;
909		break;
910	}
911
912	return 0;
913}
914
915static int cit_init_model0(struct gspca_dev *gspca_dev)
916{
917	cit_write_reg(gspca_dev, 0x0000, 0x0100); /* turn on led */
918	cit_write_reg(gspca_dev, 0x0001, 0x0112); /* turn on autogain ? */
919	cit_write_reg(gspca_dev, 0x0000, 0x0400);
920	cit_write_reg(gspca_dev, 0x0001, 0x0400);
921	cit_write_reg(gspca_dev, 0x0000, 0x0420);
922	cit_write_reg(gspca_dev, 0x0001, 0x0420);
923	cit_write_reg(gspca_dev, 0x000d, 0x0409);
924	cit_write_reg(gspca_dev, 0x0002, 0x040a);
925	cit_write_reg(gspca_dev, 0x0018, 0x0405);
926	cit_write_reg(gspca_dev, 0x0008, 0x0435);
927	cit_write_reg(gspca_dev, 0x0026, 0x040b);
928	cit_write_reg(gspca_dev, 0x0007, 0x0437);
929	cit_write_reg(gspca_dev, 0x0015, 0x042f);
930	cit_write_reg(gspca_dev, 0x002b, 0x0439);
931	cit_write_reg(gspca_dev, 0x0026, 0x043a);
932	cit_write_reg(gspca_dev, 0x0008, 0x0438);
933	cit_write_reg(gspca_dev, 0x001e, 0x042b);
934	cit_write_reg(gspca_dev, 0x0041, 0x042c);
935
936	return 0;
937}
938
939static int cit_init_ibm_netcam_pro(struct gspca_dev *gspca_dev)
940{
941	cit_read_reg(gspca_dev, 0x128, 1);
942	cit_write_reg(gspca_dev, 0x0003, 0x0133);
943	cit_write_reg(gspca_dev, 0x0000, 0x0117);
944	cit_write_reg(gspca_dev, 0x0008, 0x0123);
945	cit_write_reg(gspca_dev, 0x0000, 0x0100);
946	cit_read_reg(gspca_dev, 0x0116, 0);
947	cit_write_reg(gspca_dev, 0x0060, 0x0116);
948	cit_write_reg(gspca_dev, 0x0002, 0x0112);
949	cit_write_reg(gspca_dev, 0x0000, 0x0133);
950	cit_write_reg(gspca_dev, 0x0000, 0x0123);
951	cit_write_reg(gspca_dev, 0x0001, 0x0117);
952	cit_write_reg(gspca_dev, 0x0040, 0x0108);
953	cit_write_reg(gspca_dev, 0x0019, 0x012c);
954	cit_write_reg(gspca_dev, 0x0060, 0x0116);
955	cit_write_reg(gspca_dev, 0x0002, 0x0115);
956	cit_write_reg(gspca_dev, 0x000b, 0x0115);
957
958	cit_write_reg(gspca_dev, 0x0078, 0x012d);
959	cit_write_reg(gspca_dev, 0x0001, 0x012f);
960	cit_write_reg(gspca_dev, 0xd141, 0x0124);
961	cit_write_reg(gspca_dev, 0x0079, 0x012d);
962	cit_write_reg(gspca_dev, 0x00ff, 0x0130);
963	cit_write_reg(gspca_dev, 0xcd41, 0x0124);
964	cit_write_reg(gspca_dev, 0xfffa, 0x0124);
965	cit_read_reg(gspca_dev, 0x0126, 1);
966
967	cit_model3_Packet1(gspca_dev, 0x0000, 0x0000);
968	cit_model3_Packet1(gspca_dev, 0x0000, 0x0001);
969	cit_model3_Packet1(gspca_dev, 0x000b, 0x0000);
970	cit_model3_Packet1(gspca_dev, 0x000c, 0x0008);
971	cit_model3_Packet1(gspca_dev, 0x000d, 0x003a);
972	cit_model3_Packet1(gspca_dev, 0x000e, 0x0060);
973	cit_model3_Packet1(gspca_dev, 0x000f, 0x0060);
974	cit_model3_Packet1(gspca_dev, 0x0010, 0x0008);
975	cit_model3_Packet1(gspca_dev, 0x0011, 0x0004);
976	cit_model3_Packet1(gspca_dev, 0x0012, 0x0028);
977	cit_model3_Packet1(gspca_dev, 0x0013, 0x0002);
978	cit_model3_Packet1(gspca_dev, 0x0014, 0x0000);
979	cit_model3_Packet1(gspca_dev, 0x0015, 0x00fb);
980	cit_model3_Packet1(gspca_dev, 0x0016, 0x0002);
981	cit_model3_Packet1(gspca_dev, 0x0017, 0x0037);
982	cit_model3_Packet1(gspca_dev, 0x0018, 0x0036);
983	cit_model3_Packet1(gspca_dev, 0x001e, 0x0000);
984	cit_model3_Packet1(gspca_dev, 0x001f, 0x0008);
985	cit_model3_Packet1(gspca_dev, 0x0020, 0x00c1);
986	cit_model3_Packet1(gspca_dev, 0x0021, 0x0034);
987	cit_model3_Packet1(gspca_dev, 0x0022, 0x0034);
988	cit_model3_Packet1(gspca_dev, 0x0025, 0x0002);
989	cit_model3_Packet1(gspca_dev, 0x0028, 0x0022);
990	cit_model3_Packet1(gspca_dev, 0x0029, 0x000a);
991	cit_model3_Packet1(gspca_dev, 0x002b, 0x0000);
992	cit_model3_Packet1(gspca_dev, 0x002c, 0x0000);
993	cit_model3_Packet1(gspca_dev, 0x002d, 0x00ff);
994	cit_model3_Packet1(gspca_dev, 0x002e, 0x00ff);
995	cit_model3_Packet1(gspca_dev, 0x002f, 0x00ff);
996	cit_model3_Packet1(gspca_dev, 0x0030, 0x00ff);
997	cit_model3_Packet1(gspca_dev, 0x0031, 0x00ff);
998	cit_model3_Packet1(gspca_dev, 0x0032, 0x0007);
999	cit_model3_Packet1(gspca_dev, 0x0033, 0x0005);
1000	cit_model3_Packet1(gspca_dev, 0x0037, 0x0040);
1001	cit_model3_Packet1(gspca_dev, 0x0039, 0x0000);
1002	cit_model3_Packet1(gspca_dev, 0x003a, 0x0000);
1003	cit_model3_Packet1(gspca_dev, 0x003b, 0x0001);
1004	cit_model3_Packet1(gspca_dev, 0x003c, 0x0000);
1005	cit_model3_Packet1(gspca_dev, 0x0040, 0x000c);
1006	cit_model3_Packet1(gspca_dev, 0x0041, 0x00fb);
1007	cit_model3_Packet1(gspca_dev, 0x0042, 0x0002);
1008	cit_model3_Packet1(gspca_dev, 0x0043, 0x0000);
1009	cit_model3_Packet1(gspca_dev, 0x0045, 0x0000);
1010	cit_model3_Packet1(gspca_dev, 0x0046, 0x0000);
1011	cit_model3_Packet1(gspca_dev, 0x0047, 0x0000);
1012	cit_model3_Packet1(gspca_dev, 0x0048, 0x0000);
1013	cit_model3_Packet1(gspca_dev, 0x0049, 0x0000);
1014	cit_model3_Packet1(gspca_dev, 0x004a, 0x00ff);
1015	cit_model3_Packet1(gspca_dev, 0x004b, 0x00ff);
1016	cit_model3_Packet1(gspca_dev, 0x004c, 0x00ff);
1017	cit_model3_Packet1(gspca_dev, 0x004f, 0x0000);
1018	cit_model3_Packet1(gspca_dev, 0x0050, 0x0000);
1019	cit_model3_Packet1(gspca_dev, 0x0051, 0x0002);
1020	cit_model3_Packet1(gspca_dev, 0x0055, 0x0000);
1021	cit_model3_Packet1(gspca_dev, 0x0056, 0x0000);
1022	cit_model3_Packet1(gspca_dev, 0x0057, 0x0000);
1023	cit_model3_Packet1(gspca_dev, 0x0058, 0x0002);
1024	cit_model3_Packet1(gspca_dev, 0x0059, 0x0000);
1025	cit_model3_Packet1(gspca_dev, 0x005c, 0x0016);
1026	cit_model3_Packet1(gspca_dev, 0x005d, 0x0022);
1027	cit_model3_Packet1(gspca_dev, 0x005e, 0x003c);
1028	cit_model3_Packet1(gspca_dev, 0x005f, 0x0050);
1029	cit_model3_Packet1(gspca_dev, 0x0060, 0x0044);
1030	cit_model3_Packet1(gspca_dev, 0x0061, 0x0005);
1031	cit_model3_Packet1(gspca_dev, 0x006a, 0x007e);
1032	cit_model3_Packet1(gspca_dev, 0x006f, 0x0000);
1033	cit_model3_Packet1(gspca_dev, 0x0072, 0x001b);
1034	cit_model3_Packet1(gspca_dev, 0x0073, 0x0005);
1035	cit_model3_Packet1(gspca_dev, 0x0074, 0x000a);
1036	cit_model3_Packet1(gspca_dev, 0x0075, 0x001b);
1037	cit_model3_Packet1(gspca_dev, 0x0076, 0x002a);
1038	cit_model3_Packet1(gspca_dev, 0x0077, 0x003c);
1039	cit_model3_Packet1(gspca_dev, 0x0078, 0x0050);
1040	cit_model3_Packet1(gspca_dev, 0x007b, 0x0000);
1041	cit_model3_Packet1(gspca_dev, 0x007c, 0x0011);
1042	cit_model3_Packet1(gspca_dev, 0x007d, 0x0024);
1043	cit_model3_Packet1(gspca_dev, 0x007e, 0x0043);
1044	cit_model3_Packet1(gspca_dev, 0x007f, 0x005a);
1045	cit_model3_Packet1(gspca_dev, 0x0084, 0x0020);
1046	cit_model3_Packet1(gspca_dev, 0x0085, 0x0033);
1047	cit_model3_Packet1(gspca_dev, 0x0086, 0x000a);
1048	cit_model3_Packet1(gspca_dev, 0x0087, 0x0030);
1049	cit_model3_Packet1(gspca_dev, 0x0088, 0x0070);
1050	cit_model3_Packet1(gspca_dev, 0x008b, 0x0008);
1051	cit_model3_Packet1(gspca_dev, 0x008f, 0x0000);
1052	cit_model3_Packet1(gspca_dev, 0x0090, 0x0006);
1053	cit_model3_Packet1(gspca_dev, 0x0091, 0x0028);
1054	cit_model3_Packet1(gspca_dev, 0x0092, 0x005a);
1055	cit_model3_Packet1(gspca_dev, 0x0093, 0x0082);
1056	cit_model3_Packet1(gspca_dev, 0x0096, 0x0014);
1057	cit_model3_Packet1(gspca_dev, 0x0097, 0x0020);
1058	cit_model3_Packet1(gspca_dev, 0x0098, 0x0000);
1059	cit_model3_Packet1(gspca_dev, 0x00b0, 0x0046);
1060	cit_model3_Packet1(gspca_dev, 0x00b1, 0x0000);
1061	cit_model3_Packet1(gspca_dev, 0x00b2, 0x0000);
1062	cit_model3_Packet1(gspca_dev, 0x00b3, 0x0004);
1063	cit_model3_Packet1(gspca_dev, 0x00b4, 0x0007);
1064	cit_model3_Packet1(gspca_dev, 0x00b6, 0x0002);
1065	cit_model3_Packet1(gspca_dev, 0x00b7, 0x0004);
1066	cit_model3_Packet1(gspca_dev, 0x00bb, 0x0000);
1067	cit_model3_Packet1(gspca_dev, 0x00bc, 0x0001);
1068	cit_model3_Packet1(gspca_dev, 0x00bd, 0x0000);
1069	cit_model3_Packet1(gspca_dev, 0x00bf, 0x0000);
1070	cit_model3_Packet1(gspca_dev, 0x00c0, 0x00c8);
1071	cit_model3_Packet1(gspca_dev, 0x00c1, 0x0014);
1072	cit_model3_Packet1(gspca_dev, 0x00c2, 0x0001);
1073	cit_model3_Packet1(gspca_dev, 0x00c3, 0x0000);
1074	cit_model3_Packet1(gspca_dev, 0x00c4, 0x0004);
1075	cit_model3_Packet1(gspca_dev, 0x00cb, 0x00bf);
1076	cit_model3_Packet1(gspca_dev, 0x00cc, 0x00bf);
1077	cit_model3_Packet1(gspca_dev, 0x00cd, 0x00bf);
1078	cit_model3_Packet1(gspca_dev, 0x00ce, 0x0000);
1079	cit_model3_Packet1(gspca_dev, 0x00cf, 0x0020);
1080	cit_model3_Packet1(gspca_dev, 0x00d0, 0x0040);
1081	cit_model3_Packet1(gspca_dev, 0x00d1, 0x00bf);
1082	cit_model3_Packet1(gspca_dev, 0x00d1, 0x00bf);
1083	cit_model3_Packet1(gspca_dev, 0x00d2, 0x00bf);
1084	cit_model3_Packet1(gspca_dev, 0x00d3, 0x00bf);
1085	cit_model3_Packet1(gspca_dev, 0x00ea, 0x0008);
1086	cit_model3_Packet1(gspca_dev, 0x00eb, 0x0000);
1087	cit_model3_Packet1(gspca_dev, 0x00ec, 0x00e8);
1088	cit_model3_Packet1(gspca_dev, 0x00ed, 0x0001);
1089	cit_model3_Packet1(gspca_dev, 0x00ef, 0x0022);
1090	cit_model3_Packet1(gspca_dev, 0x00f0, 0x0000);
1091	cit_model3_Packet1(gspca_dev, 0x00f2, 0x0028);
1092	cit_model3_Packet1(gspca_dev, 0x00f4, 0x0002);
1093	cit_model3_Packet1(gspca_dev, 0x00f5, 0x0000);
1094	cit_model3_Packet1(gspca_dev, 0x00fa, 0x0000);
1095	cit_model3_Packet1(gspca_dev, 0x00fb, 0x0001);
1096	cit_model3_Packet1(gspca_dev, 0x00fc, 0x0000);
1097	cit_model3_Packet1(gspca_dev, 0x00fd, 0x0000);
1098	cit_model3_Packet1(gspca_dev, 0x00fe, 0x0000);
1099	cit_model3_Packet1(gspca_dev, 0x00ff, 0x0000);
1100
1101	cit_model3_Packet1(gspca_dev, 0x00be, 0x0003);
1102	cit_model3_Packet1(gspca_dev, 0x00c8, 0x0000);
1103	cit_model3_Packet1(gspca_dev, 0x00c9, 0x0020);
1104	cit_model3_Packet1(gspca_dev, 0x00ca, 0x0040);
1105	cit_model3_Packet1(gspca_dev, 0x0053, 0x0001);
1106	cit_model3_Packet1(gspca_dev, 0x0082, 0x000e);
1107	cit_model3_Packet1(gspca_dev, 0x0083, 0x0020);
1108	cit_model3_Packet1(gspca_dev, 0x0034, 0x003c);
1109	cit_model3_Packet1(gspca_dev, 0x006e, 0x0055);
1110	cit_model3_Packet1(gspca_dev, 0x0062, 0x0005);
1111	cit_model3_Packet1(gspca_dev, 0x0063, 0x0008);
1112	cit_model3_Packet1(gspca_dev, 0x0066, 0x000a);
1113	cit_model3_Packet1(gspca_dev, 0x0067, 0x0006);
1114	cit_model3_Packet1(gspca_dev, 0x006b, 0x0010);
1115	cit_model3_Packet1(gspca_dev, 0x005a, 0x0001);
1116	cit_model3_Packet1(gspca_dev, 0x005b, 0x000a);
1117	cit_model3_Packet1(gspca_dev, 0x0023, 0x0006);
1118	cit_model3_Packet1(gspca_dev, 0x0026, 0x0004);
1119	cit_model3_Packet1(gspca_dev, 0x0036, 0x0069);
1120	cit_model3_Packet1(gspca_dev, 0x0038, 0x0064);
1121	cit_model3_Packet1(gspca_dev, 0x003d, 0x0003);
1122	cit_model3_Packet1(gspca_dev, 0x003e, 0x0001);
1123	cit_model3_Packet1(gspca_dev, 0x00b8, 0x0014);
1124	cit_model3_Packet1(gspca_dev, 0x00b9, 0x0014);
1125	cit_model3_Packet1(gspca_dev, 0x00e6, 0x0004);
1126	cit_model3_Packet1(gspca_dev, 0x00e8, 0x0001);
1127
1128	return 0;
1129}
1130
1131/* this function is called at probe and resume time */
1132static int sd_init(struct gspca_dev *gspca_dev)
1133{
1134	struct sd *sd = (struct sd *) gspca_dev;
1135
1136	switch (sd->model) {
1137	case CIT_MODEL0:
1138		cit_init_model0(gspca_dev);
1139		sd_stop0(gspca_dev);
1140		break;
1141	case CIT_MODEL1:
1142	case CIT_MODEL2:
1143	case CIT_MODEL3:
1144	case CIT_MODEL4:
1145		break; /* All is done in sd_start */
1146	case CIT_IBM_NETCAM_PRO:
1147		cit_init_ibm_netcam_pro(gspca_dev);
1148		sd_stop0(gspca_dev);
1149		break;
1150	}
1151	return 0;
1152}
1153
1154static int cit_set_brightness(struct gspca_dev *gspca_dev, s32 val)
1155{
1156	struct sd *sd = (struct sd *) gspca_dev;
1157	int i;
1158
1159	switch (sd->model) {
1160	case CIT_MODEL0:
1161	case CIT_IBM_NETCAM_PRO:
1162		/* No (known) brightness control for these */
1163		break;
1164	case CIT_MODEL1:
1165		/* Model 1: Brightness range 0 - 63 */
1166		cit_Packet_Format1(gspca_dev, 0x0031, val);
1167		cit_Packet_Format1(gspca_dev, 0x0032, val);
1168		cit_Packet_Format1(gspca_dev, 0x0033, val);
1169		break;
1170	case CIT_MODEL2:
1171		/* Model 2: Brightness range 0x60 - 0xee */
1172		/* Scale 0 - 63 to 0x60 - 0xee */
1173		i = 0x60 + val * 2254 / 1000;
1174		cit_model2_Packet1(gspca_dev, 0x001a, i);
1175		break;
1176	case CIT_MODEL3:
1177		/* Model 3: Brightness range 'i' in [0x0C..0x3F] */
1178		i = val;
1179		if (i < 0x0c)
1180			i = 0x0c;
1181		cit_model3_Packet1(gspca_dev, 0x0036, i);
1182		break;
1183	case CIT_MODEL4:
1184		/* Model 4: Brightness range 'i' in [0x04..0xb4] */
1185		/* Scale 0 - 63 to 0x04 - 0xb4 */
1186		i = 0x04 + val * 2794 / 1000;
1187		cit_model4_BrightnessPacket(gspca_dev, i);
1188		break;
1189	}
1190
1191	return 0;
1192}
1193
1194static int cit_set_contrast(struct gspca_dev *gspca_dev, s32 val)
1195{
1196	struct sd *sd = (struct sd *) gspca_dev;
1197
1198	switch (sd->model) {
1199	case CIT_MODEL0: {
1200		int i;
1201		/* gain 0-15, 0-20 -> 0-15 */
1202		i = val * 1000 / 1333;
1203		cit_write_reg(gspca_dev, i, 0x0422);
1204		/* gain 0-31, may not be lower then 0x0422, 0-20 -> 0-31 */
1205		i = val * 2000 / 1333;
1206		cit_write_reg(gspca_dev, i, 0x0423);
1207		/* gain 0-127, may not be lower then 0x0423, 0-20 -> 0-63  */
1208		i = val * 4000 / 1333;
1209		cit_write_reg(gspca_dev, i, 0x0424);
1210		/* gain 0-127, may not be lower then 0x0424, , 0-20 -> 0-127 */
1211		i = val * 8000 / 1333;
1212		cit_write_reg(gspca_dev, i, 0x0425);
1213		break;
1214	}
1215	case CIT_MODEL2:
1216	case CIT_MODEL4:
1217		/* These models do not have this control. */
1218		break;
1219	case CIT_MODEL1:
1220	{
1221		/* Scale 0 - 20 to 15 - 0 */
1222		int i, new_contrast = (20 - val) * 1000 / 1333;
1223		for (i = 0; i < cit_model1_ntries; i++) {
1224			cit_Packet_Format1(gspca_dev, 0x0014, new_contrast);
1225			cit_send_FF_04_02(gspca_dev);
1226		}
1227		break;
1228	}
1229	case CIT_MODEL3:
1230	{	/* Preset hardware values */
1231		static const struct {
1232			unsigned short cv1;
1233			unsigned short cv2;
1234			unsigned short cv3;
1235		} cv[7] = {
1236			{ 0x05, 0x05, 0x0f },	/* Minimum */
1237			{ 0x04, 0x04, 0x16 },
1238			{ 0x02, 0x03, 0x16 },
1239			{ 0x02, 0x08, 0x16 },
1240			{ 0x01, 0x0c, 0x16 },
1241			{ 0x01, 0x0e, 0x16 },
1242			{ 0x01, 0x10, 0x16 }	/* Maximum */
1243		};
1244		int i = val / 3;
1245		cit_model3_Packet1(gspca_dev, 0x0067, cv[i].cv1);
1246		cit_model3_Packet1(gspca_dev, 0x005b, cv[i].cv2);
1247		cit_model3_Packet1(gspca_dev, 0x005c, cv[i].cv3);
1248		break;
1249	}
1250	case CIT_IBM_NETCAM_PRO:
1251		cit_model3_Packet1(gspca_dev, 0x005b, val + 1);
1252		break;
1253	}
1254	return 0;
1255}
1256
1257static int cit_set_hue(struct gspca_dev *gspca_dev, s32 val)
1258{
1259	struct sd *sd = (struct sd *) gspca_dev;
1260
1261	switch (sd->model) {
1262	case CIT_MODEL0:
1263	case CIT_MODEL1:
1264	case CIT_IBM_NETCAM_PRO:
1265		/* No hue control for these models */
1266		break;
1267	case CIT_MODEL2:
1268		cit_model2_Packet1(gspca_dev, 0x0024, val);
1269		/* cit_model2_Packet1(gspca_dev, 0x0020, sat); */
1270		break;
1271	case CIT_MODEL3: {
1272		/* Model 3: Brightness range 'i' in [0x05..0x37] */
1273		/* TESTME according to the ibmcam driver this does not work */
1274		if (0) {
1275			/* Scale 0 - 127 to 0x05 - 0x37 */
1276			int i = 0x05 + val * 1000 / 2540;
1277			cit_model3_Packet1(gspca_dev, 0x007e, i);
1278		}
1279		break;
1280	}
1281	case CIT_MODEL4:
1282		/* HDG: taken from ibmcam, setting the color gains does not
1283		 * really belong here.
1284		 *
1285		 * I am not sure r/g/b_gain variables exactly control gain
1286		 * of those channels. Most likely they subtly change some
1287		 * very internal image processing settings in the camera.
1288		 * In any case, here is what they do, and feel free to tweak:
1289		 *
1290		 * r_gain: seriously affects red gain
1291		 * g_gain: seriously affects green gain
1292		 * b_gain: seriously affects blue gain
1293		 * hue: changes average color from violet (0) to red (0xFF)
1294		 */
1295		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
1296		cit_write_reg(gspca_dev, 0x001e, 0x012f);
1297		cit_write_reg(gspca_dev, 0xd141, 0x0124);
1298		cit_write_reg(gspca_dev,    160, 0x0127);  /* Green gain */
1299		cit_write_reg(gspca_dev,    160, 0x012e);  /* Red gain */
1300		cit_write_reg(gspca_dev,    160, 0x0130);  /* Blue gain */
1301		cit_write_reg(gspca_dev, 0x8a28, 0x0124);
1302		cit_write_reg(gspca_dev, val, 0x012d); /* Hue */
1303		cit_write_reg(gspca_dev, 0xf545, 0x0124);
1304		break;
1305	}
1306	return 0;
1307}
1308
1309static int cit_set_sharpness(struct gspca_dev *gspca_dev, s32 val)
1310{
1311	struct sd *sd = (struct sd *) gspca_dev;
1312
1313	switch (sd->model) {
1314	case CIT_MODEL0:
1315	case CIT_MODEL2:
1316	case CIT_MODEL4:
1317	case CIT_IBM_NETCAM_PRO:
1318		/* These models do not have this control */
1319		break;
1320	case CIT_MODEL1: {
1321		int i;
1322		const unsigned short sa[] = {
1323			0x11, 0x13, 0x16, 0x18, 0x1a, 0x8, 0x0a };
1324
1325		for (i = 0; i < cit_model1_ntries; i++)
1326			cit_PacketFormat2(gspca_dev, 0x0013, sa[val]);
1327		break;
1328	}
1329	case CIT_MODEL3:
1330	{	/*
1331		 * "Use a table of magic numbers.
1332		 *  This setting doesn't really change much.
1333		 *  But that's how Windows does it."
1334		 */
1335		static const struct {
1336			unsigned short sv1;
1337			unsigned short sv2;
1338			unsigned short sv3;
1339			unsigned short sv4;
1340		} sv[7] = {
1341			{ 0x00, 0x00, 0x05, 0x14 },	/* Smoothest */
1342			{ 0x01, 0x04, 0x05, 0x14 },
1343			{ 0x02, 0x04, 0x05, 0x14 },
1344			{ 0x03, 0x04, 0x05, 0x14 },
1345			{ 0x03, 0x05, 0x05, 0x14 },
1346			{ 0x03, 0x06, 0x05, 0x14 },
1347			{ 0x03, 0x07, 0x05, 0x14 }	/* Sharpest */
1348		};
1349		cit_model3_Packet1(gspca_dev, 0x0060, sv[val].sv1);
1350		cit_model3_Packet1(gspca_dev, 0x0061, sv[val].sv2);
1351		cit_model3_Packet1(gspca_dev, 0x0062, sv[val].sv3);
1352		cit_model3_Packet1(gspca_dev, 0x0063, sv[val].sv4);
1353		break;
1354	}
1355	}
1356	return 0;
1357}
1358
1359/*
1360 * cit_set_lighting()
1361 *
1362 * Camera model 1:
1363 * We have 3 levels of lighting conditions: 0=Bright, 1=Medium, 2=Low.
1364 *
1365 * Camera model 2:
1366 * We have 16 levels of lighting, 0 for bright light and up to 15 for
1367 * low light. But values above 5 or so are useless because camera is
1368 * not really capable to produce anything worth viewing at such light.
1369 * This setting may be altered only in certain camera state.
1370 *
1371 * Low lighting forces slower FPS.
1372 *
1373 * History:
1374 * 1/5/00   Created.
1375 * 2/20/00  Added support for Model 2 cameras.
1376 */
1377static void cit_set_lighting(struct gspca_dev *gspca_dev, s32 val)
1378{
1379	struct sd *sd = (struct sd *) gspca_dev;
1380
1381	switch (sd->model) {
1382	case CIT_MODEL0:
1383	case CIT_MODEL2:
1384	case CIT_MODEL3:
1385	case CIT_MODEL4:
1386	case CIT_IBM_NETCAM_PRO:
1387		break;
1388	case CIT_MODEL1: {
1389		int i;
1390		for (i = 0; i < cit_model1_ntries; i++)
1391			cit_Packet_Format1(gspca_dev, 0x0027, val);
1392		break;
1393	}
1394	}
1395}
1396
1397static void cit_set_hflip(struct gspca_dev *gspca_dev, s32 val)
1398{
1399	struct sd *sd = (struct sd *) gspca_dev;
1400
1401	switch (sd->model) {
1402	case CIT_MODEL0:
1403		if (val)
1404			cit_write_reg(gspca_dev, 0x0020, 0x0115);
1405		else
1406			cit_write_reg(gspca_dev, 0x0040, 0x0115);
1407		break;
1408	case CIT_MODEL1:
1409	case CIT_MODEL2:
1410	case CIT_MODEL3:
1411	case CIT_MODEL4:
1412	case CIT_IBM_NETCAM_PRO:
1413		break;
1414	}
1415}
1416
1417static int cit_restart_stream(struct gspca_dev *gspca_dev)
1418{
1419	struct sd *sd = (struct sd *) gspca_dev;
1420
1421	switch (sd->model) {
1422	case CIT_MODEL0:
1423	case CIT_MODEL1:
1424		cit_write_reg(gspca_dev, 0x0001, 0x0114);
1425		/* Fall through */
1426	case CIT_MODEL2:
1427	case CIT_MODEL4:
1428		cit_write_reg(gspca_dev, 0x00c0, 0x010c); /* Go! */
1429		usb_clear_halt(gspca_dev->dev, gspca_dev->urb[0]->pipe);
1430		break;
1431	case CIT_MODEL3:
1432	case CIT_IBM_NETCAM_PRO:
1433		cit_write_reg(gspca_dev, 0x0001, 0x0114);
1434		cit_write_reg(gspca_dev, 0x00c0, 0x010c); /* Go! */
1435		usb_clear_halt(gspca_dev->dev, gspca_dev->urb[0]->pipe);
1436		/* Clear button events from while we were not streaming */
1437		cit_write_reg(gspca_dev, 0x0001, 0x0113);
1438		break;
1439	}
1440
1441	sd->sof_read = 0;
1442
1443	return 0;
1444}
1445
1446static int cit_get_packet_size(struct gspca_dev *gspca_dev)
1447{
1448	struct usb_host_interface *alt;
1449	struct usb_interface *intf;
1450
1451	intf = usb_ifnum_to_if(gspca_dev->dev, gspca_dev->iface);
1452	alt = usb_altnum_to_altsetting(intf, gspca_dev->alt);
1453	if (!alt) {
1454		pr_err("Couldn't get altsetting\n");
1455		return -EIO;
1456	}
1457
1458	return le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
1459}
1460
1461/* Calculate the clockdiv giving us max fps given the available bandwidth */
1462static int cit_get_clock_div(struct gspca_dev *gspca_dev)
1463{
1464	int clock_div = 7; /* 0=30 1=25 2=20 3=15 4=12 5=7.5 6=6 7=3fps ?? */
1465	int fps[8] = { 30, 25, 20, 15, 12, 8, 6, 3 };
1466	int packet_size;
1467
1468	packet_size = cit_get_packet_size(gspca_dev);
1469	if (packet_size < 0)
1470		return packet_size;
1471
1472	while (clock_div > 3 &&
1473			1000 * packet_size >
1474			gspca_dev->pixfmt.width * gspca_dev->pixfmt.height *
1475			fps[clock_div - 1] * 3 / 2)
1476		clock_div--;
1477
1478	PDEBUG(D_PROBE,
1479	       "PacketSize: %d, res: %dx%d -> using clockdiv: %d (%d fps)",
1480	       packet_size, gspca_dev->pixfmt.width, gspca_dev->pixfmt.height,
1481	       clock_div, fps[clock_div]);
1482
1483	return clock_div;
1484}
1485
1486static int cit_start_model0(struct gspca_dev *gspca_dev)
1487{
1488	const unsigned short compression = 0; /* 0=none, 7=best frame rate */
1489	int clock_div;
1490
1491	clock_div = cit_get_clock_div(gspca_dev);
1492	if (clock_div < 0)
1493		return clock_div;
1494
1495	cit_write_reg(gspca_dev, 0x0000, 0x0100); /* turn on led */
1496	cit_write_reg(gspca_dev, 0x0003, 0x0438);
1497	cit_write_reg(gspca_dev, 0x001e, 0x042b);
1498	cit_write_reg(gspca_dev, 0x0041, 0x042c);
1499	cit_write_reg(gspca_dev, 0x0008, 0x0436);
1500	cit_write_reg(gspca_dev, 0x0024, 0x0403);
1501	cit_write_reg(gspca_dev, 0x002c, 0x0404);
1502	cit_write_reg(gspca_dev, 0x0002, 0x0426);
1503	cit_write_reg(gspca_dev, 0x0014, 0x0427);
1504
1505	switch (gspca_dev->pixfmt.width) {
1506	case 160: /* 160x120 */
1507		cit_write_reg(gspca_dev, 0x0004, 0x010b);
1508		cit_write_reg(gspca_dev, 0x0001, 0x010a);
1509		cit_write_reg(gspca_dev, 0x0010, 0x0102);
1510		cit_write_reg(gspca_dev, 0x00a0, 0x0103);
1511		cit_write_reg(gspca_dev, 0x0000, 0x0104);
1512		cit_write_reg(gspca_dev, 0x0078, 0x0105);
1513		break;
1514
1515	case 176: /* 176x144 */
1516		cit_write_reg(gspca_dev, 0x0006, 0x010b);
1517		cit_write_reg(gspca_dev, 0x0000, 0x010a);
1518		cit_write_reg(gspca_dev, 0x0005, 0x0102);
1519		cit_write_reg(gspca_dev, 0x00b0, 0x0103);
1520		cit_write_reg(gspca_dev, 0x0000, 0x0104);
1521		cit_write_reg(gspca_dev, 0x0090, 0x0105);
1522		break;
1523
1524	case 320: /* 320x240 */
1525		cit_write_reg(gspca_dev, 0x0008, 0x010b);
1526		cit_write_reg(gspca_dev, 0x0004, 0x010a);
1527		cit_write_reg(gspca_dev, 0x0005, 0x0102);
1528		cit_write_reg(gspca_dev, 0x00a0, 0x0103);
1529		cit_write_reg(gspca_dev, 0x0010, 0x0104);
1530		cit_write_reg(gspca_dev, 0x0078, 0x0105);
1531		break;
1532	}
1533
1534	cit_write_reg(gspca_dev, compression, 0x0109);
1535	cit_write_reg(gspca_dev, clock_div, 0x0111);
1536
1537	return 0;
1538}
1539
1540static int cit_start_model1(struct gspca_dev *gspca_dev)
1541{
1542	struct sd *sd = (struct sd *) gspca_dev;
1543	int i, clock_div;
1544
1545	clock_div = cit_get_clock_div(gspca_dev);
1546	if (clock_div < 0)
1547		return clock_div;
1548
1549	cit_read_reg(gspca_dev, 0x0128, 1);
1550	cit_read_reg(gspca_dev, 0x0100, 0);
1551	cit_write_reg(gspca_dev, 0x01, 0x0100);	/* LED On  */
1552	cit_read_reg(gspca_dev, 0x0100, 0);
1553	cit_write_reg(gspca_dev, 0x81, 0x0100);	/* LED Off */
1554	cit_read_reg(gspca_dev, 0x0100, 0);
1555	cit_write_reg(gspca_dev, 0x01, 0x0100);	/* LED On  */
1556	cit_write_reg(gspca_dev, 0x01, 0x0108);
1557
1558	cit_write_reg(gspca_dev, 0x03, 0x0112);
1559	cit_read_reg(gspca_dev, 0x0115, 0);
1560	cit_write_reg(gspca_dev, 0x06, 0x0115);
1561	cit_read_reg(gspca_dev, 0x0116, 0);
1562	cit_write_reg(gspca_dev, 0x44, 0x0116);
1563	cit_read_reg(gspca_dev, 0x0116, 0);
1564	cit_write_reg(gspca_dev, 0x40, 0x0116);
1565	cit_read_reg(gspca_dev, 0x0115, 0);
1566	cit_write_reg(gspca_dev, 0x0e, 0x0115);
1567	cit_write_reg(gspca_dev, 0x19, 0x012c);
1568
1569	cit_Packet_Format1(gspca_dev, 0x00, 0x1e);
1570	cit_Packet_Format1(gspca_dev, 0x39, 0x0d);
1571	cit_Packet_Format1(gspca_dev, 0x39, 0x09);
1572	cit_Packet_Format1(gspca_dev, 0x3b, 0x00);
1573	cit_Packet_Format1(gspca_dev, 0x28, 0x22);
1574	cit_Packet_Format1(gspca_dev, 0x27, 0x00);
1575	cit_Packet_Format1(gspca_dev, 0x2b, 0x1f);
1576	cit_Packet_Format1(gspca_dev, 0x39, 0x08);
1577
1578	for (i = 0; i < cit_model1_ntries; i++)
1579		cit_Packet_Format1(gspca_dev, 0x2c, 0x00);
1580
1581	for (i = 0; i < cit_model1_ntries; i++)
1582		cit_Packet_Format1(gspca_dev, 0x30, 0x14);
1583
1584	cit_PacketFormat2(gspca_dev, 0x39, 0x02);
1585	cit_PacketFormat2(gspca_dev, 0x01, 0xe1);
1586	cit_PacketFormat2(gspca_dev, 0x02, 0xcd);
1587	cit_PacketFormat2(gspca_dev, 0x03, 0xcd);
1588	cit_PacketFormat2(gspca_dev, 0x04, 0xfa);
1589	cit_PacketFormat2(gspca_dev, 0x3f, 0xff);
1590	cit_PacketFormat2(gspca_dev, 0x39, 0x00);
1591
1592	cit_PacketFormat2(gspca_dev, 0x39, 0x02);
1593	cit_PacketFormat2(gspca_dev, 0x0a, 0x37);
1594	cit_PacketFormat2(gspca_dev, 0x0b, 0xb8);
1595	cit_PacketFormat2(gspca_dev, 0x0c, 0xf3);
1596	cit_PacketFormat2(gspca_dev, 0x0d, 0xe3);
1597	cit_PacketFormat2(gspca_dev, 0x0e, 0x0d);
1598	cit_PacketFormat2(gspca_dev, 0x0f, 0xf2);
1599	cit_PacketFormat2(gspca_dev, 0x10, 0xd5);
1600	cit_PacketFormat2(gspca_dev, 0x11, 0xba);
1601	cit_PacketFormat2(gspca_dev, 0x12, 0x53);
1602	cit_PacketFormat2(gspca_dev, 0x3f, 0xff);
1603	cit_PacketFormat2(gspca_dev, 0x39, 0x00);
1604
1605	cit_PacketFormat2(gspca_dev, 0x39, 0x02);
1606	cit_PacketFormat2(gspca_dev, 0x16, 0x00);
1607	cit_PacketFormat2(gspca_dev, 0x17, 0x28);
1608	cit_PacketFormat2(gspca_dev, 0x18, 0x7d);
1609	cit_PacketFormat2(gspca_dev, 0x19, 0xbe);
1610	cit_PacketFormat2(gspca_dev, 0x3f, 0xff);
1611	cit_PacketFormat2(gspca_dev, 0x39, 0x00);
1612
1613	for (i = 0; i < cit_model1_ntries; i++)
1614		cit_Packet_Format1(gspca_dev, 0x00, 0x18);
1615	for (i = 0; i < cit_model1_ntries; i++)
1616		cit_Packet_Format1(gspca_dev, 0x13, 0x18);
1617	for (i = 0; i < cit_model1_ntries; i++)
1618		cit_Packet_Format1(gspca_dev, 0x14, 0x06);
1619
1620	/* TESTME These are handled through controls
1621	   KEEP until someone can test leaving this out is ok */
1622	if (0) {
1623		/* This is default brightness */
1624		for (i = 0; i < cit_model1_ntries; i++)
1625			cit_Packet_Format1(gspca_dev, 0x31, 0x37);
1626		for (i = 0; i < cit_model1_ntries; i++)
1627			cit_Packet_Format1(gspca_dev, 0x32, 0x46);
1628		for (i = 0; i < cit_model1_ntries; i++)
1629			cit_Packet_Format1(gspca_dev, 0x33, 0x55);
1630	}
1631
1632	cit_Packet_Format1(gspca_dev, 0x2e, 0x04);
1633	for (i = 0; i < cit_model1_ntries; i++)
1634		cit_Packet_Format1(gspca_dev, 0x2d, 0x04);
1635	for (i = 0; i < cit_model1_ntries; i++)
1636		cit_Packet_Format1(gspca_dev, 0x29, 0x80);
1637	cit_Packet_Format1(gspca_dev, 0x2c, 0x01);
1638	cit_Packet_Format1(gspca_dev, 0x30, 0x17);
1639	cit_Packet_Format1(gspca_dev, 0x39, 0x08);
1640	for (i = 0; i < cit_model1_ntries; i++)
1641		cit_Packet_Format1(gspca_dev, 0x34, 0x00);
1642
1643	cit_write_reg(gspca_dev, 0x00, 0x0101);
1644	cit_write_reg(gspca_dev, 0x00, 0x010a);
1645
1646	switch (gspca_dev->pixfmt.width) {
1647	case 128: /* 128x96 */
1648		cit_write_reg(gspca_dev, 0x80, 0x0103);
1649		cit_write_reg(gspca_dev, 0x60, 0x0105);
1650		cit_write_reg(gspca_dev, 0x0c, 0x010b);
1651		cit_write_reg(gspca_dev, 0x04, 0x011b);	/* Same everywhere */
1652		cit_write_reg(gspca_dev, 0x0b, 0x011d);
1653		cit_write_reg(gspca_dev, 0x00, 0x011e);	/* Same everywhere */
1654		cit_write_reg(gspca_dev, 0x00, 0x0129);
1655		break;
1656	case 176: /* 176x144 */
1657		cit_write_reg(gspca_dev, 0xb0, 0x0103);
1658		cit_write_reg(gspca_dev, 0x8f, 0x0105);
1659		cit_write_reg(gspca_dev, 0x06, 0x010b);
1660		cit_write_reg(gspca_dev, 0x04, 0x011b);	/* Same everywhere */
1661		cit_write_reg(gspca_dev, 0x0d, 0x011d);
1662		cit_write_reg(gspca_dev, 0x00, 0x011e);	/* Same everywhere */
1663		cit_write_reg(gspca_dev, 0x03, 0x0129);
1664		break;
1665	case 352: /* 352x288 */
1666		cit_write_reg(gspca_dev, 0xb0, 0x0103);
1667		cit_write_reg(gspca_dev, 0x90, 0x0105);
1668		cit_write_reg(gspca_dev, 0x02, 0x010b);
1669		cit_write_reg(gspca_dev, 0x04, 0x011b);	/* Same everywhere */
1670		cit_write_reg(gspca_dev, 0x05, 0x011d);
1671		cit_write_reg(gspca_dev, 0x00, 0x011e);	/* Same everywhere */
1672		cit_write_reg(gspca_dev, 0x00, 0x0129);
1673		break;
1674	}
1675
1676	cit_write_reg(gspca_dev, 0xff, 0x012b);
1677
1678	/* TESTME These are handled through controls
1679	   KEEP until someone can test leaving this out is ok */
1680	if (0) {
1681		/* This is another brightness - don't know why */
1682		for (i = 0; i < cit_model1_ntries; i++)
1683			cit_Packet_Format1(gspca_dev, 0x31, 0xc3);
1684		for (i = 0; i < cit_model1_ntries; i++)
1685			cit_Packet_Format1(gspca_dev, 0x32, 0xd2);
1686		for (i = 0; i < cit_model1_ntries; i++)
1687			cit_Packet_Format1(gspca_dev, 0x33, 0xe1);
1688
1689		/* Default contrast */
1690		for (i = 0; i < cit_model1_ntries; i++)
1691			cit_Packet_Format1(gspca_dev, 0x14, 0x0a);
1692
1693		/* Default sharpness */
1694		for (i = 0; i < cit_model1_ntries2; i++)
1695			cit_PacketFormat2(gspca_dev, 0x13, 0x1a);
1696
1697		/* Default lighting conditions */
1698		cit_Packet_Format1(gspca_dev, 0x0027,
1699				   v4l2_ctrl_g_ctrl(sd->lighting));
1700	}
1701
1702	/* Assorted init */
1703	switch (gspca_dev->pixfmt.width) {
1704	case 128: /* 128x96 */
1705		cit_Packet_Format1(gspca_dev, 0x2b, 0x1e);
1706		cit_write_reg(gspca_dev, 0xc9, 0x0119);	/* Same everywhere */
1707		cit_write_reg(gspca_dev, 0x80, 0x0109);	/* Same everywhere */
1708		cit_write_reg(gspca_dev, 0x36, 0x0102);
1709		cit_write_reg(gspca_dev, 0x1a, 0x0104);
1710		cit_write_reg(gspca_dev, 0x04, 0x011a);	/* Same everywhere */
1711		cit_write_reg(gspca_dev, 0x2b, 0x011c);
1712		cit_write_reg(gspca_dev, 0x23, 0x012a);	/* Same everywhere */
1713		break;
1714	case 176: /* 176x144 */
1715		cit_Packet_Format1(gspca_dev, 0x2b, 0x1e);
1716		cit_write_reg(gspca_dev, 0xc9, 0x0119);	/* Same everywhere */
1717		cit_write_reg(gspca_dev, 0x80, 0x0109);	/* Same everywhere */
1718		cit_write_reg(gspca_dev, 0x04, 0x0102);
1719		cit_write_reg(gspca_dev, 0x02, 0x0104);
1720		cit_write_reg(gspca_dev, 0x04, 0x011a);	/* Same everywhere */
1721		cit_write_reg(gspca_dev, 0x2b, 0x011c);
1722		cit_write_reg(gspca_dev, 0x23, 0x012a);	/* Same everywhere */
1723		break;
1724	case 352: /* 352x288 */
1725		cit_Packet_Format1(gspca_dev, 0x2b, 0x1f);
1726		cit_write_reg(gspca_dev, 0xc9, 0x0119);	/* Same everywhere */
1727		cit_write_reg(gspca_dev, 0x80, 0x0109);	/* Same everywhere */
1728		cit_write_reg(gspca_dev, 0x08, 0x0102);
1729		cit_write_reg(gspca_dev, 0x01, 0x0104);
1730		cit_write_reg(gspca_dev, 0x04, 0x011a);	/* Same everywhere */
1731		cit_write_reg(gspca_dev, 0x2f, 0x011c);
1732		cit_write_reg(gspca_dev, 0x23, 0x012a);	/* Same everywhere */
1733		break;
1734	}
1735
1736	cit_write_reg(gspca_dev, 0x01, 0x0100);	/* LED On  */
1737	cit_write_reg(gspca_dev, clock_div, 0x0111);
1738
1739	return 0;
1740}
1741
1742static int cit_start_model2(struct gspca_dev *gspca_dev)
1743{
1744	struct sd *sd = (struct sd *) gspca_dev;
1745	int clock_div = 0;
1746
1747	cit_write_reg(gspca_dev, 0x0000, 0x0100);	/* LED on */
1748	cit_read_reg(gspca_dev, 0x0116, 0);
1749	cit_write_reg(gspca_dev, 0x0060, 0x0116);
1750	cit_write_reg(gspca_dev, 0x0002, 0x0112);
1751	cit_write_reg(gspca_dev, 0x00bc, 0x012c);
1752	cit_write_reg(gspca_dev, 0x0008, 0x012b);
1753	cit_write_reg(gspca_dev, 0x0000, 0x0108);
1754	cit_write_reg(gspca_dev, 0x0001, 0x0133);
1755	cit_write_reg(gspca_dev, 0x0001, 0x0102);
1756	switch (gspca_dev->pixfmt.width) {
1757	case 176: /* 176x144 */
1758		cit_write_reg(gspca_dev, 0x002c, 0x0103);	/* All except 320x240 */
1759		cit_write_reg(gspca_dev, 0x0000, 0x0104);	/* Same */
1760		cit_write_reg(gspca_dev, 0x0024, 0x0105);	/* 176x144, 352x288 */
1761		cit_write_reg(gspca_dev, 0x00b9, 0x010a);	/* Unique to this mode */
1762		cit_write_reg(gspca_dev, 0x0038, 0x0119);	/* Unique to this mode */
1763		/* TESTME HDG: this does not seem right
1764		   (it is 2 for all other resolutions) */
1765		sd->sof_len = 10;
1766		break;
1767	case 320: /* 320x240 */
1768		cit_write_reg(gspca_dev, 0x0028, 0x0103);	/* Unique to this mode */
1769		cit_write_reg(gspca_dev, 0x0000, 0x0104);	/* Same */
1770		cit_write_reg(gspca_dev, 0x001e, 0x0105);	/* 320x240, 352x240 */
1771		cit_write_reg(gspca_dev, 0x0039, 0x010a);	/* All except 176x144 */
1772		cit_write_reg(gspca_dev, 0x0070, 0x0119);	/* All except 176x144 */
1773		sd->sof_len = 2;
1774		break;
1775	/* case VIDEOSIZE_352x240: */
1776		cit_write_reg(gspca_dev, 0x002c, 0x0103);	/* All except 320x240 */
1777		cit_write_reg(gspca_dev, 0x0000, 0x0104);	/* Same */
1778		cit_write_reg(gspca_dev, 0x001e, 0x0105);	/* 320x240, 352x240 */
1779		cit_write_reg(gspca_dev, 0x0039, 0x010a);	/* All except 176x144 */
1780		cit_write_reg(gspca_dev, 0x0070, 0x0119);	/* All except 176x144 */
1781		sd->sof_len = 2;
1782		break;
1783	case 352: /* 352x288 */
1784		cit_write_reg(gspca_dev, 0x002c, 0x0103);	/* All except 320x240 */
1785		cit_write_reg(gspca_dev, 0x0000, 0x0104);	/* Same */
1786		cit_write_reg(gspca_dev, 0x0024, 0x0105);	/* 176x144, 352x288 */
1787		cit_write_reg(gspca_dev, 0x0039, 0x010a);	/* All except 176x144 */
1788		cit_write_reg(gspca_dev, 0x0070, 0x0119);	/* All except 176x144 */
1789		sd->sof_len = 2;
1790		break;
1791	}
1792
1793	cit_write_reg(gspca_dev, 0x0000, 0x0100);	/* LED on */
1794
1795	switch (gspca_dev->pixfmt.width) {
1796	case 176: /* 176x144 */
1797		cit_write_reg(gspca_dev, 0x0050, 0x0111);
1798		cit_write_reg(gspca_dev, 0x00d0, 0x0111);
1799		break;
1800	case 320: /* 320x240 */
1801	case 352: /* 352x288 */
1802		cit_write_reg(gspca_dev, 0x0040, 0x0111);
1803		cit_write_reg(gspca_dev, 0x00c0, 0x0111);
1804		break;
1805	}
1806	cit_write_reg(gspca_dev, 0x009b, 0x010f);
1807	cit_write_reg(gspca_dev, 0x00bb, 0x010f);
1808
1809	/*
1810	 * Hardware settings, may affect CMOS sensor; not user controls!
1811	 * -------------------------------------------------------------
1812	 * 0x0004: no effect
1813	 * 0x0006: hardware effect
1814	 * 0x0008: no effect
1815	 * 0x000a: stops video stream, probably important h/w setting
1816	 * 0x000c: changes color in hardware manner (not user setting)
1817	 * 0x0012: changes number of colors (does not affect speed)
1818	 * 0x002a: no effect
1819	 * 0x002c: hardware setting (related to scan lines)
1820	 * 0x002e: stops video stream, probably important h/w setting
1821	 */
1822	cit_model2_Packet1(gspca_dev, 0x000a, 0x005c);
1823	cit_model2_Packet1(gspca_dev, 0x0004, 0x0000);
1824	cit_model2_Packet1(gspca_dev, 0x0006, 0x00fb);
1825	cit_model2_Packet1(gspca_dev, 0x0008, 0x0000);
1826	cit_model2_Packet1(gspca_dev, 0x000c, 0x0009);
1827	cit_model2_Packet1(gspca_dev, 0x0012, 0x000a);
1828	cit_model2_Packet1(gspca_dev, 0x002a, 0x0000);
1829	cit_model2_Packet1(gspca_dev, 0x002c, 0x0000);
1830	cit_model2_Packet1(gspca_dev, 0x002e, 0x0008);
1831
1832	/*
1833	 * Function 0x0030 pops up all over the place. Apparently
1834	 * it is a hardware control register, with every bit assigned to
1835	 * do something.
1836	 */
1837	cit_model2_Packet1(gspca_dev, 0x0030, 0x0000);
1838
1839	/*
1840	 * Magic control of CMOS sensor. Only lower values like
1841	 * 0-3 work, and picture shifts left or right. Don't change.
1842	 */
1843	switch (gspca_dev->pixfmt.width) {
1844	case 176: /* 176x144 */
1845		cit_model2_Packet1(gspca_dev, 0x0014, 0x0002);
1846		cit_model2_Packet1(gspca_dev, 0x0016, 0x0002); /* Horizontal shift */
1847		cit_model2_Packet1(gspca_dev, 0x0018, 0x004a); /* Another hardware setting */
1848		clock_div = 6;
1849		break;
1850	case 320: /* 320x240 */
1851		cit_model2_Packet1(gspca_dev, 0x0014, 0x0009);
1852		cit_model2_Packet1(gspca_dev, 0x0016, 0x0005); /* Horizontal shift */
1853		cit_model2_Packet1(gspca_dev, 0x0018, 0x0044); /* Another hardware setting */
1854		clock_div = 8;
1855		break;
1856	/* case VIDEOSIZE_352x240: */
1857		/* This mode doesn't work as Windows programs it; changed to work */
1858		cit_model2_Packet1(gspca_dev, 0x0014, 0x0009); /* Windows sets this to 8 */
1859		cit_model2_Packet1(gspca_dev, 0x0016, 0x0003); /* Horizontal shift */
1860		cit_model2_Packet1(gspca_dev, 0x0018, 0x0044); /* Windows sets this to 0x0045 */
1861		clock_div = 10;
1862		break;
1863	case 352: /* 352x288 */
1864		cit_model2_Packet1(gspca_dev, 0x0014, 0x0003);
1865		cit_model2_Packet1(gspca_dev, 0x0016, 0x0002); /* Horizontal shift */
1866		cit_model2_Packet1(gspca_dev, 0x0018, 0x004a); /* Another hardware setting */
1867		clock_div = 16;
1868		break;
1869	}
1870
1871	/* TESTME These are handled through controls
1872	   KEEP until someone can test leaving this out is ok */
1873	if (0)
1874		cit_model2_Packet1(gspca_dev, 0x001a, 0x005a);
1875
1876	/*
1877	 * We have our own frame rate setting varying from 0 (slowest) to 6
1878	 * (fastest). The camera model 2 allows frame rate in range [0..0x1F]
1879	 # where 0 is also the slowest setting. However for all practical
1880	 # reasons high settings make no sense because USB is not fast enough
1881	 # to support high FPS. Be aware that the picture datastream will be
1882	 # severely disrupted if you ask for frame rate faster than allowed
1883	 # for the video size - see below:
1884	 *
1885	 * Allowable ranges (obtained experimentally on OHCI, K6-3, 450 MHz):
1886	 * -----------------------------------------------------------------
1887	 * 176x144: [6..31]
1888	 * 320x240: [8..31]
1889	 * 352x240: [10..31]
1890	 * 352x288: [16..31] I have to raise lower threshold for stability...
1891	 *
1892	 * As usual, slower FPS provides better sensitivity.
1893	 */
1894	cit_model2_Packet1(gspca_dev, 0x001c, clock_div);
1895
1896	/*
1897	 * This setting does not visibly affect pictures; left it here
1898	 * because it was present in Windows USB data stream. This function
1899	 * does not allow arbitrary values and apparently is a bit mask, to
1900	 * be activated only at appropriate time. Don't change it randomly!
1901	 */
1902	switch (gspca_dev->pixfmt.width) {
1903	case 176: /* 176x144 */
1904		cit_model2_Packet1(gspca_dev, 0x0026, 0x00c2);
1905		break;
1906	case 320: /* 320x240 */
1907		cit_model2_Packet1(gspca_dev, 0x0026, 0x0044);
1908		break;
1909	/* case VIDEOSIZE_352x240: */
1910		cit_model2_Packet1(gspca_dev, 0x0026, 0x0046);
1911		break;
1912	case 352: /* 352x288 */
1913		cit_model2_Packet1(gspca_dev, 0x0026, 0x0048);
1914		break;
1915	}
1916
1917	cit_model2_Packet1(gspca_dev, 0x0028, v4l2_ctrl_g_ctrl(sd->lighting));
1918	/* model2 cannot change the backlight compensation while streaming */
1919	v4l2_ctrl_grab(sd->lighting, true);
1920
1921	/* color balance rg2 */
1922	cit_model2_Packet1(gspca_dev, 0x001e, 0x002f);
1923	/* saturation */
1924	cit_model2_Packet1(gspca_dev, 0x0020, 0x0034);
1925	/* color balance yb */
1926	cit_model2_Packet1(gspca_dev, 0x0022, 0x00a0);
1927
1928	/* Hardware control command */
1929	cit_model2_Packet1(gspca_dev, 0x0030, 0x0004);
1930
1931	return 0;
1932}
1933
1934static int cit_start_model3(struct gspca_dev *gspca_dev)
1935{
1936	const unsigned short compression = 0; /* 0=none, 7=best frame rate */
1937	int i, clock_div = 0;
1938
1939	/* HDG not in ibmcam driver, added to see if it helps with
1940	   auto-detecting between model3 and ibm netcamera pro */
1941	cit_read_reg(gspca_dev, 0x128, 1);
1942
1943	cit_write_reg(gspca_dev, 0x0000, 0x0100);
1944	cit_read_reg(gspca_dev, 0x0116, 0);
1945	cit_write_reg(gspca_dev, 0x0060, 0x0116);
1946	cit_write_reg(gspca_dev, 0x0002, 0x0112);
1947	cit_write_reg(gspca_dev, 0x0000, 0x0123);
1948	cit_write_reg(gspca_dev, 0x0001, 0x0117);
1949	cit_write_reg(gspca_dev, 0x0040, 0x0108);
1950	cit_write_reg(gspca_dev, 0x0019, 0x012c);
1951	cit_write_reg(gspca_dev, 0x0060, 0x0116);
1952	cit_write_reg(gspca_dev, 0x0002, 0x0115);
1953	cit_write_reg(gspca_dev, 0x0003, 0x0115);
1954	cit_read_reg(gspca_dev, 0x0115, 0);
1955	cit_write_reg(gspca_dev, 0x000b, 0x0115);
1956
1957	/* TESTME HDG not in ibmcam driver, added to see if it helps with
1958	   auto-detecting between model3 and ibm netcamera pro */
1959	if (0) {
1960		cit_write_reg(gspca_dev, 0x0078, 0x012d);
1961		cit_write_reg(gspca_dev, 0x0001, 0x012f);
1962		cit_write_reg(gspca_dev, 0xd141, 0x0124);
1963		cit_write_reg(gspca_dev, 0x0079, 0x012d);
1964		cit_write_reg(gspca_dev, 0x00ff, 0x0130);
1965		cit_write_reg(gspca_dev, 0xcd41, 0x0124);
1966		cit_write_reg(gspca_dev, 0xfffa, 0x0124);
1967		cit_read_reg(gspca_dev, 0x0126, 1);
1968	}
1969
1970	cit_model3_Packet1(gspca_dev, 0x000a, 0x0040);
1971	cit_model3_Packet1(gspca_dev, 0x000b, 0x00f6);
1972	cit_model3_Packet1(gspca_dev, 0x000c, 0x0002);
1973	cit_model3_Packet1(gspca_dev, 0x000d, 0x0020);
1974	cit_model3_Packet1(gspca_dev, 0x000e, 0x0033);
1975	cit_model3_Packet1(gspca_dev, 0x000f, 0x0007);
1976	cit_model3_Packet1(gspca_dev, 0x0010, 0x0000);
1977	cit_model3_Packet1(gspca_dev, 0x0011, 0x0070);
1978	cit_model3_Packet1(gspca_dev, 0x0012, 0x0030);
1979	cit_model3_Packet1(gspca_dev, 0x0013, 0x0000);
1980	cit_model3_Packet1(gspca_dev, 0x0014, 0x0001);
1981	cit_model3_Packet1(gspca_dev, 0x0015, 0x0001);
1982	cit_model3_Packet1(gspca_dev, 0x0016, 0x0001);
1983	cit_model3_Packet1(gspca_dev, 0x0017, 0x0001);
1984	cit_model3_Packet1(gspca_dev, 0x0018, 0x0000);
1985	cit_model3_Packet1(gspca_dev, 0x001e, 0x00c3);
1986	cit_model3_Packet1(gspca_dev, 0x0020, 0x0000);
1987	cit_model3_Packet1(gspca_dev, 0x0028, 0x0010);
1988	cit_model3_Packet1(gspca_dev, 0x0029, 0x0054);
1989	cit_model3_Packet1(gspca_dev, 0x002a, 0x0013);
1990	cit_model3_Packet1(gspca_dev, 0x002b, 0x0007);
1991	cit_model3_Packet1(gspca_dev, 0x002d, 0x0028);
1992	cit_model3_Packet1(gspca_dev, 0x002e, 0x0000);
1993	cit_model3_Packet1(gspca_dev, 0x0031, 0x0000);
1994	cit_model3_Packet1(gspca_dev, 0x0032, 0x0000);
1995	cit_model3_Packet1(gspca_dev, 0x0033, 0x0000);
1996	cit_model3_Packet1(gspca_dev, 0x0034, 0x0000);
1997	cit_model3_Packet1(gspca_dev, 0x0035, 0x0038);
1998	cit_model3_Packet1(gspca_dev, 0x003a, 0x0001);
1999	cit_model3_Packet1(gspca_dev, 0x003c, 0x001e);
2000	cit_model3_Packet1(gspca_dev, 0x003f, 0x000a);
2001	cit_model3_Packet1(gspca_dev, 0x0041, 0x0000);
2002	cit_model3_Packet1(gspca_dev, 0x0046, 0x003f);
2003	cit_model3_Packet1(gspca_dev, 0x0047, 0x0000);
2004	cit_model3_Packet1(gspca_dev, 0x0050, 0x0005);
2005	cit_model3_Packet1(gspca_dev, 0x0052, 0x001a);
2006	cit_model3_Packet1(gspca_dev, 0x0053, 0x0003);
2007	cit_model3_Packet1(gspca_dev, 0x005a, 0x006b);
2008	cit_model3_Packet1(gspca_dev, 0x005d, 0x001e);
2009	cit_model3_Packet1(gspca_dev, 0x005e, 0x0030);
2010	cit_model3_Packet1(gspca_dev, 0x005f, 0x0041);
2011	cit_model3_Packet1(gspca_dev, 0x0064, 0x0008);
2012	cit_model3_Packet1(gspca_dev, 0x0065, 0x0015);
2013	cit_model3_Packet1(gspca_dev, 0x0068, 0x000f);
2014	cit_model3_Packet1(gspca_dev, 0x0079, 0x0000);
2015	cit_model3_Packet1(gspca_dev, 0x007a, 0x0000);
2016	cit_model3_Packet1(gspca_dev, 0x007c, 0x003f);
2017	cit_model3_Packet1(gspca_dev, 0x0082, 0x000f);
2018	cit_model3_Packet1(gspca_dev, 0x0085, 0x0000);
2019	cit_model3_Packet1(gspca_dev, 0x0099, 0x0000);
2020	cit_model3_Packet1(gspca_dev, 0x009b, 0x0023);
2021	cit_model3_Packet1(gspca_dev, 0x009c, 0x0022);
2022	cit_model3_Packet1(gspca_dev, 0x009d, 0x0096);
2023	cit_model3_Packet1(gspca_dev, 0x009e, 0x0096);
2024	cit_model3_Packet1(gspca_dev, 0x009f, 0x000a);
2025
2026	switch (gspca_dev->pixfmt.width) {
2027	case 160:
2028		cit_write_reg(gspca_dev, 0x0000, 0x0101); /* Same on 160x120, 320x240 */
2029		cit_write_reg(gspca_dev, 0x00a0, 0x0103); /* Same on 160x120, 320x240 */
2030		cit_write_reg(gspca_dev, 0x0078, 0x0105); /* Same on 160x120, 320x240 */
2031		cit_write_reg(gspca_dev, 0x0000, 0x010a); /* Same */
2032		cit_write_reg(gspca_dev, 0x0024, 0x010b); /* Differs everywhere */
2033		cit_write_reg(gspca_dev, 0x00a9, 0x0119);
2034		cit_write_reg(gspca_dev, 0x0016, 0x011b);
2035		cit_write_reg(gspca_dev, 0x0002, 0x011d); /* Same on 160x120, 320x240 */
2036		cit_write_reg(gspca_dev, 0x0003, 0x011e); /* Same on 160x120, 640x480 */
2037		cit_write_reg(gspca_dev, 0x0000, 0x0129); /* Same */
2038		cit_write_reg(gspca_dev, 0x00fc, 0x012b); /* Same */
2039		cit_write_reg(gspca_dev, 0x0018, 0x0102);
2040		cit_write_reg(gspca_dev, 0x0004, 0x0104);
2041		cit_write_reg(gspca_dev, 0x0004, 0x011a);
2042		cit_write_reg(gspca_dev, 0x0028, 0x011c);
2043		cit_write_reg(gspca_dev, 0x0022, 0x012a); /* Same */
2044		cit_write_reg(gspca_dev, 0x0000, 0x0118);
2045		cit_write_reg(gspca_dev, 0x0000, 0x0132);
2046		cit_model3_Packet1(gspca_dev, 0x0021, 0x0001); /* Same */
2047		cit_write_reg(gspca_dev, compression, 0x0109);
2048		clock_div = 3;
2049		break;
2050	case 320:
2051		cit_write_reg(gspca_dev, 0x0000, 0x0101); /* Same on 160x120, 320x240 */
2052		cit_write_reg(gspca_dev, 0x00a0, 0x0103); /* Same on 160x120, 320x240 */
2053		cit_write_reg(gspca_dev, 0x0078, 0x0105); /* Same on 160x120, 320x240 */
2054		cit_write_reg(gspca_dev, 0x0000, 0x010a); /* Same */
2055		cit_write_reg(gspca_dev, 0x0028, 0x010b); /* Differs everywhere */
2056		cit_write_reg(gspca_dev, 0x0002, 0x011d); /* Same */
2057		cit_write_reg(gspca_dev, 0x0000, 0x011e);
2058		cit_write_reg(gspca_dev, 0x0000, 0x0129); /* Same */
2059		cit_write_reg(gspca_dev, 0x00fc, 0x012b); /* Same */
2060		/* 4 commands from 160x120 skipped */
2061		cit_write_reg(gspca_dev, 0x0022, 0x012a); /* Same */
2062		cit_model3_Packet1(gspca_dev, 0x0021, 0x0001); /* Same */
2063		cit_write_reg(gspca_dev, compression, 0x0109);
2064		cit_write_reg(gspca_dev, 0x00d9, 0x0119);
2065		cit_write_reg(gspca_dev, 0x0006, 0x011b);
2066		cit_write_reg(gspca_dev, 0x0021, 0x0102); /* Same on 320x240, 640x480 */
2067		cit_write_reg(gspca_dev, 0x0010, 0x0104);
2068		cit_write_reg(gspca_dev, 0x0004, 0x011a);
2069		cit_write_reg(gspca_dev, 0x003f, 0x011c);
2070		cit_write_reg(gspca_dev, 0x001c, 0x0118);
2071		cit_write_reg(gspca_dev, 0x0000, 0x0132);
2072		clock_div = 5;
2073		break;
2074	case 640:
2075		cit_write_reg(gspca_dev, 0x00f0, 0x0105);
2076		cit_write_reg(gspca_dev, 0x0000, 0x010a); /* Same */
2077		cit_write_reg(gspca_dev, 0x0038, 0x010b); /* Differs everywhere */
2078		cit_write_reg(gspca_dev, 0x00d9, 0x0119); /* Same on 320x240, 640x480 */
2079		cit_write_reg(gspca_dev, 0x0006, 0x011b); /* Same on 320x240, 640x480 */
2080		cit_write_reg(gspca_dev, 0x0004, 0x011d); /* NC */
2081		cit_write_reg(gspca_dev, 0x0003, 0x011e); /* Same on 160x120, 640x480 */
2082		cit_write_reg(gspca_dev, 0x0000, 0x0129); /* Same */
2083		cit_write_reg(gspca_dev, 0x00fc, 0x012b); /* Same */
2084		cit_write_reg(gspca_dev, 0x0021, 0x0102); /* Same on 320x240, 640x480 */
2085		cit_write_reg(gspca_dev, 0x0016, 0x0104); /* NC */
2086		cit_write_reg(gspca_dev, 0x0004, 0x011a); /* Same on 320x240, 640x480 */
2087		cit_write_reg(gspca_dev, 0x003f, 0x011c); /* Same on 320x240, 640x480 */
2088		cit_write_reg(gspca_dev, 0x0022, 0x012a); /* Same */
2089		cit_write_reg(gspca_dev, 0x001c, 0x0118); /* Same on 320x240, 640x480 */
2090		cit_model3_Packet1(gspca_dev, 0x0021, 0x0001); /* Same */
2091		cit_write_reg(gspca_dev, compression, 0x0109);
2092		cit_write_reg(gspca_dev, 0x0040, 0x0101);
2093		cit_write_reg(gspca_dev, 0x0040, 0x0103);
2094		cit_write_reg(gspca_dev, 0x0000, 0x0132); /* Same on 320x240, 640x480 */
2095		clock_div = 7;
2096		break;
2097	}
2098
2099	cit_model3_Packet1(gspca_dev, 0x007e, 0x000e);	/* Hue */
2100	cit_model3_Packet1(gspca_dev, 0x0036, 0x0011);	/* Brightness */
2101	cit_model3_Packet1(gspca_dev, 0x0060, 0x0002);	/* Sharpness */
2102	cit_model3_Packet1(gspca_dev, 0x0061, 0x0004);	/* Sharpness */
2103	cit_model3_Packet1(gspca_dev, 0x0062, 0x0005);	/* Sharpness */
2104	cit_model3_Packet1(gspca_dev, 0x0063, 0x0014);	/* Sharpness */
2105	cit_model3_Packet1(gspca_dev, 0x0096, 0x00a0);	/* Red sharpness */
2106	cit_model3_Packet1(gspca_dev, 0x0097, 0x0096);	/* Blue sharpness */
2107	cit_model3_Packet1(gspca_dev, 0x0067, 0x0001);	/* Contrast */
2108	cit_model3_Packet1(gspca_dev, 0x005b, 0x000c);	/* Contrast */
2109	cit_model3_Packet1(gspca_dev, 0x005c, 0x0016);	/* Contrast */
2110	cit_model3_Packet1(gspca_dev, 0x0098, 0x000b);
2111	cit_model3_Packet1(gspca_dev, 0x002c, 0x0003);	/* Was 1, broke 640x480 */
2112	cit_model3_Packet1(gspca_dev, 0x002f, 0x002a);
2113	cit_model3_Packet1(gspca_dev, 0x0030, 0x0029);
2114	cit_model3_Packet1(gspca_dev, 0x0037, 0x0002);
2115	cit_model3_Packet1(gspca_dev, 0x0038, 0x0059);
2116	cit_model3_Packet1(gspca_dev, 0x003d, 0x002e);
2117	cit_model3_Packet1(gspca_dev, 0x003e, 0x0028);
2118	cit_model3_Packet1(gspca_dev, 0x0078, 0x0005);
2119	cit_model3_Packet1(gspca_dev, 0x007b, 0x0011);
2120	cit_model3_Packet1(gspca_dev, 0x007d, 0x004b);
2121	cit_model3_Packet1(gspca_dev, 0x007f, 0x0022);
2122	cit_model3_Packet1(gspca_dev, 0x0080, 0x000c);
2123	cit_model3_Packet1(gspca_dev, 0x0081, 0x000b);
2124	cit_model3_Packet1(gspca_dev, 0x0083, 0x00fd);
2125	cit_model3_Packet1(gspca_dev, 0x0086, 0x000b);
2126	cit_model3_Packet1(gspca_dev, 0x0087, 0x000b);
2127	cit_model3_Packet1(gspca_dev, 0x007e, 0x000e);
2128	cit_model3_Packet1(gspca_dev, 0x0096, 0x00a0);	/* Red sharpness */
2129	cit_model3_Packet1(gspca_dev, 0x0097, 0x0096);	/* Blue sharpness */
2130	cit_model3_Packet1(gspca_dev, 0x0098, 0x000b);
2131
2132	/* FIXME we should probably use cit_get_clock_div() here (in
2133	   combination with isoc negotiation using the programmable isoc size)
2134	   like with the IBM netcam pro). */
2135	cit_write_reg(gspca_dev, clock_div, 0x0111); /* Clock Divider */
2136
2137	switch (gspca_dev->pixfmt.width) {
2138	case 160:
2139		cit_model3_Packet1(gspca_dev, 0x001f, 0x0000); /* Same */
2140		cit_model3_Packet1(gspca_dev, 0x0039, 0x001f); /* Same */
2141		cit_model3_Packet1(gspca_dev, 0x003b, 0x003c); /* Same */
2142		cit_model3_Packet1(gspca_dev, 0x0040, 0x000a);
2143		cit_model3_Packet1(gspca_dev, 0x0051, 0x000a);
2144		break;
2145	case 320:
2146		cit_model3_Packet1(gspca_dev, 0x001f, 0x0000); /* Same */
2147		cit_model3_Packet1(gspca_dev, 0x0039, 0x001f); /* Same */
2148		cit_model3_Packet1(gspca_dev, 0x003b, 0x003c); /* Same */
2149		cit_model3_Packet1(gspca_dev, 0x0040, 0x0008);
2150		cit_model3_Packet1(gspca_dev, 0x0051, 0x000b);
2151		break;
2152	case 640:
2153		cit_model3_Packet1(gspca_dev, 0x001f, 0x0002);	/* !Same */
2154		cit_model3_Packet1(gspca_dev, 0x0039, 0x003e);	/* !Same */
2155		cit_model3_Packet1(gspca_dev, 0x0040, 0x0008);
2156		cit_model3_Packet1(gspca_dev, 0x0051, 0x000a);
2157		break;
2158	}
2159
2160/*	if (sd->input_index) { */
2161	if (rca_input) {
2162		for (i = 0; i < ARRAY_SIZE(rca_initdata); i++) {
2163			if (rca_initdata[i][0])
2164				cit_read_reg(gspca_dev, rca_initdata[i][2], 0);
2165			else
2166				cit_write_reg(gspca_dev, rca_initdata[i][1],
2167					      rca_initdata[i][2]);
2168		}
2169	}
2170
2171	return 0;
2172}
2173
2174static int cit_start_model4(struct gspca_dev *gspca_dev)
2175{
2176	struct sd *sd = (struct sd *) gspca_dev;
2177
2178	cit_write_reg(gspca_dev, 0x0000, 0x0100);
2179	cit_write_reg(gspca_dev, 0x00c0, 0x0111);
2180	cit_write_reg(gspca_dev, 0x00bc, 0x012c);
2181	cit_write_reg(gspca_dev, 0x0080, 0x012b);
2182	cit_write_reg(gspca_dev, 0x0000, 0x0108);
2183	cit_write_reg(gspca_dev, 0x0001, 0x0133);
2184	cit_write_reg(gspca_dev, 0x009b, 0x010f);
2185	cit_write_reg(gspca_dev, 0x00bb, 0x010f);
2186	cit_model4_Packet1(gspca_dev, 0x0038, 0x0000);
2187	cit_model4_Packet1(gspca_dev, 0x000a, 0x005c);
2188
2189	cit_write_reg(gspca_dev, 0x00aa, 0x012d);
2190	cit_write_reg(gspca_dev, 0x0004, 0x012f);
2191	cit_write_reg(gspca_dev, 0xd141, 0x0124);
2192	cit_write_reg(gspca_dev, 0x0000, 0x0127);
2193	cit_write_reg(gspca_dev, 0x00fb, 0x012e);
2194	cit_write_reg(gspca_dev, 0x0000, 0x0130);
2195	cit_write_reg(gspca_dev, 0x8a28, 0x0124);
2196	cit_write_reg(gspca_dev, 0x00aa, 0x012f);
2197	cit_write_reg(gspca_dev, 0xd055, 0x0124);
2198	cit_write_reg(gspca_dev, 0x000c, 0x0127);
2199	cit_write_reg(gspca_dev, 0x0009, 0x012e);
2200	cit_write_reg(gspca_dev, 0xaa28, 0x0124);
2201
2202	cit_write_reg(gspca_dev, 0x00aa, 0x012d);
2203	cit_write_reg(gspca_dev, 0x0012, 0x012f);
2204	cit_write_reg(gspca_dev, 0xd141, 0x0124);
2205	cit_write_reg(gspca_dev, 0x0008, 0x0127);
2206	cit_write_reg(gspca_dev, 0x00aa, 0x0130);
2207	cit_write_reg(gspca_dev, 0x82a8, 0x0124);
2208	cit_write_reg(gspca_dev, 0x002a, 0x012d);
2209	cit_write_reg(gspca_dev, 0x0000, 0x012f);
2210	cit_write_reg(gspca_dev, 0xd145, 0x0124);
2211	cit_write_reg(gspca_dev, 0xfffa, 0x0124);
2212	cit_model4_Packet1(gspca_dev, 0x0034, 0x0000);
2213
2214	switch (gspca_dev->pixfmt.width) {
2215	case 128: /* 128x96 */
2216		cit_write_reg(gspca_dev, 0x0070, 0x0119);
2217		cit_write_reg(gspca_dev, 0x00d0, 0x0111);
2218		cit_write_reg(gspca_dev, 0x0039, 0x010a);
2219		cit_write_reg(gspca_dev, 0x0001, 0x0102);
2220		cit_write_reg(gspca_dev, 0x0028, 0x0103);
2221		cit_write_reg(gspca_dev, 0x0000, 0x0104);
2222		cit_write_reg(gspca_dev, 0x001e, 0x0105);
2223		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
2224		cit_write_reg(gspca_dev, 0x0016, 0x012f);
2225		cit_write_reg(gspca_dev, 0xd141, 0x0124);
2226		cit_write_reg(gspca_dev, 0x000a, 0x0127);
2227		cit_write_reg(gspca_dev, 0x00aa, 0x0130);
2228		cit_write_reg(gspca_dev, 0x82a8, 0x0124);
2229		cit_write_reg(gspca_dev, 0x0014, 0x012d);
2230		cit_write_reg(gspca_dev, 0x0008, 0x012f);
2231		cit_write_reg(gspca_dev, 0xd145, 0x0124);
2232		cit_write_reg(gspca_dev, 0x00aa, 0x012e);
2233		cit_write_reg(gspca_dev, 0x001a, 0x0130);
2234		cit_write_reg(gspca_dev, 0x8a0a, 0x0124);
2235		cit_write_reg(gspca_dev, 0x005a, 0x012d);
2236		cit_write_reg(gspca_dev, 0x9545, 0x0124);
2237		cit_write_reg(gspca_dev, 0x00aa, 0x0127);
2238		cit_write_reg(gspca_dev, 0x0018, 0x012e);
2239		cit_write_reg(gspca_dev, 0x0043, 0x0130);
2240		cit_write_reg(gspca_dev, 0x8a28, 0x0124);
2241		cit_write_reg(gspca_dev, 0x00aa, 0x012f);
2242		cit_write_reg(gspca_dev, 0xd055, 0x0124);
2243		cit_write_reg(gspca_dev, 0x001c, 0x0127);
2244		cit_write_reg(gspca_dev, 0x00eb, 0x012e);
2245		cit_write_reg(gspca_dev, 0xaa28, 0x0124);
2246		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
2247		cit_write_reg(gspca_dev, 0x0032, 0x012f);
2248		cit_write_reg(gspca_dev, 0xd141, 0x0124);
2249		cit_write_reg(gspca_dev, 0x0000, 0x0127);
2250		cit_write_reg(gspca_dev, 0x00aa, 0x0130);
2251		cit_write_reg(gspca_dev, 0x82a8, 0x0124);
2252		cit_write_reg(gspca_dev, 0x0036, 0x012d);
2253		cit_write_reg(gspca_dev, 0x0008, 0x012f);
2254		cit_write_reg(gspca_dev, 0xd145, 0x0124);
2255		cit_write_reg(gspca_dev, 0xfffa, 0x0124);
2256		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
2257		cit_write_reg(gspca_dev, 0x001e, 0x012f);
2258		cit_write_reg(gspca_dev, 0xd141, 0x0124);
2259		cit_write_reg(gspca_dev, 0x0017, 0x0127);
2260		cit_write_reg(gspca_dev, 0x0013, 0x012e);
2261		cit_write_reg(gspca_dev, 0x0031, 0x0130);
2262		cit_write_reg(gspca_dev, 0x8a28, 0x0124);
2263		cit_write_reg(gspca_dev, 0x0017, 0x012d);
2264		cit_write_reg(gspca_dev, 0x0078, 0x012f);
2265		cit_write_reg(gspca_dev, 0xd145, 0x0124);
2266		cit_write_reg(gspca_dev, 0x0000, 0x0127);
2267		cit_write_reg(gspca_dev, 0xfea8, 0x0124);
2268		sd->sof_len = 2;
2269		break;
2270	case 160: /* 160x120 */
2271		cit_write_reg(gspca_dev, 0x0038, 0x0119);
2272		cit_write_reg(gspca_dev, 0x00d0, 0x0111);
2273		cit_write_reg(gspca_dev, 0x00b9, 0x010a);
2274		cit_write_reg(gspca_dev, 0x0001, 0x0102);
2275		cit_write_reg(gspca_dev, 0x0028, 0x0103);
2276		cit_write_reg(gspca_dev, 0x0000, 0x0104);
2277		cit_write_reg(gspca_dev, 0x001e, 0x0105);
2278		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
2279		cit_write_reg(gspca_dev, 0x0016, 0x012f);
2280		cit_write_reg(gspca_dev, 0xd141, 0x0124);
2281		cit_write_reg(gspca_dev, 0x000b, 0x0127);
2282		cit_write_reg(gspca_dev, 0x00aa, 0x0130);
2283		cit_write_reg(gspca_dev, 0x82a8, 0x0124);
2284		cit_write_reg(gspca_dev, 0x0014, 0x012d);
2285		cit_write_reg(gspca_dev, 0x0008, 0x012f);
2286		cit_write_reg(gspca_dev, 0xd145, 0x0124);
2287		cit_write_reg(gspca_dev, 0x00aa, 0x012e);
2288		cit_write_reg(gspca_dev, 0x001a, 0x0130);
2289		cit_write_reg(gspca_dev, 0x8a0a, 0x0124);
2290		cit_write_reg(gspca_dev, 0x005a, 0x012d);
2291		cit_write_reg(gspca_dev, 0x9545, 0x0124);
2292		cit_write_reg(gspca_dev, 0x00aa, 0x0127);
2293		cit_write_reg(gspca_dev, 0x0018, 0x012e);
2294		cit_write_reg(gspca_dev, 0x0043, 0x0130);
2295		cit_write_reg(gspca_dev, 0x8a28, 0x0124);
2296		cit_write_reg(gspca_dev, 0x00aa, 0x012f);
2297		cit_write_reg(gspca_dev, 0xd055, 0x0124);
2298		cit_write_reg(gspca_dev, 0x001c, 0x0127);
2299		cit_write_reg(gspca_dev, 0x00c7, 0x012e);
2300		cit_write_reg(gspca_dev, 0xaa28, 0x0124);
2301		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
2302		cit_write_reg(gspca_dev, 0x0032, 0x012f);
2303		cit_write_reg(gspca_dev, 0xd141, 0x0124);
2304		cit_write_reg(gspca_dev, 0x0025, 0x0127);
2305		cit_write_reg(gspca_dev, 0x00aa, 0x0130);
2306		cit_write_reg(gspca_dev, 0x82a8, 0x0124);
2307		cit_write_reg(gspca_dev, 0x0036, 0x012d);
2308		cit_write_reg(gspca_dev, 0x0008, 0x012f);
2309		cit_write_reg(gspca_dev, 0xd145, 0x0124);
2310		cit_write_reg(gspca_dev, 0xfffa, 0x0124);
2311		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
2312		cit_write_reg(gspca_dev, 0x001e, 0x012f);
2313		cit_write_reg(gspca_dev, 0xd141, 0x0124);
2314		cit_write_reg(gspca_dev, 0x0048, 0x0127);
2315		cit_write_reg(gspca_dev, 0x0035, 0x012e);
2316		cit_write_reg(gspca_dev, 0x00d0, 0x0130);
2317		cit_write_reg(gspca_dev, 0x8a28, 0x0124);
2318		cit_write_reg(gspca_dev, 0x0048, 0x012d);
2319		cit_write_reg(gspca_dev, 0x0090, 0x012f);
2320		cit_write_reg(gspca_dev, 0xd145, 0x0124);
2321		cit_write_reg(gspca_dev, 0x0001, 0x0127);
2322		cit_write_reg(gspca_dev, 0xfea8, 0x0124);
2323		sd->sof_len = 2;
2324		break;
2325	case 176: /* 176x144 */
2326		cit_write_reg(gspca_dev, 0x0038, 0x0119);
2327		cit_write_reg(gspca_dev, 0x00d0, 0x0111);
2328		cit_write_reg(gspca_dev, 0x00b9, 0x010a);
2329		cit_write_reg(gspca_dev, 0x0001, 0x0102);
2330		cit_write_reg(gspca_dev, 0x002c, 0x0103);
2331		cit_write_reg(gspca_dev, 0x0000, 0x0104);
2332		cit_write_reg(gspca_dev, 0x0024, 0x0105);
2333		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
2334		cit_write_reg(gspca_dev, 0x0016, 0x012f);
2335		cit_write_reg(gspca_dev, 0xd141, 0x0124);
2336		cit_write_reg(gspca_dev, 0x0007, 0x0127);
2337		cit_write_reg(gspca_dev, 0x00aa, 0x0130);
2338		cit_write_reg(gspca_dev, 0x82a8, 0x0124);
2339		cit_write_reg(gspca_dev, 0x0014, 0x012d);
2340		cit_write_reg(gspca_dev, 0x0001, 0x012f);
2341		cit_write_reg(gspca_dev, 0xd145, 0x0124);
2342		cit_write_reg(gspca_dev, 0x00aa, 0x012e);
2343		cit_write_reg(gspca_dev, 0x001a, 0x0130);
2344		cit_write_reg(gspca_dev, 0x8a0a, 0x0124);
2345		cit_write_reg(gspca_dev, 0x005e, 0x012d);
2346		cit_write_reg(gspca_dev, 0x9545, 0x0124);
2347		cit_write_reg(gspca_dev, 0x00aa, 0x0127);
2348		cit_write_reg(gspca_dev, 0x0018, 0x012e);
2349		cit_write_reg(gspca_dev, 0x0049, 0x0130);
2350		cit_write_reg(gspca_dev, 0x8a28, 0x0124);
2351		cit_write_reg(gspca_dev, 0x00aa, 0x012f);
2352		cit_write_reg(gspca_dev, 0xd055, 0x0124);
2353		cit_write_reg(gspca_dev, 0x001c, 0x0127);
2354		cit_write_reg(gspca_dev, 0x00c7, 0x012e);
2355		cit_write_reg(gspca_dev, 0xaa28, 0x0124);
2356		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
2357		cit_write_reg(gspca_dev, 0x0032, 0x012f);
2358		cit_write_reg(gspca_dev, 0xd141, 0x0124);
2359		cit_write_reg(gspca_dev, 0x0028, 0x0127);
2360		cit_write_reg(gspca_dev, 0x00aa, 0x0130);
2361		cit_write_reg(gspca_dev, 0x82a8, 0x0124);
2362		cit_write_reg(gspca_dev, 0x0036, 0x012d);
2363		cit_write_reg(gspca_dev, 0x0008, 0x012f);
2364		cit_write_reg(gspca_dev, 0xd145, 0x0124);
2365		cit_write_reg(gspca_dev, 0xfffa, 0x0124);
2366		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
2367		cit_write_reg(gspca_dev, 0x001e, 0x012f);
2368		cit_write_reg(gspca_dev, 0xd141, 0x0124);
2369		cit_write_reg(gspca_dev, 0x0010, 0x0127);
2370		cit_write_reg(gspca_dev, 0x0013, 0x012e);
2371		cit_write_reg(gspca_dev, 0x002a, 0x0130);
2372		cit_write_reg(gspca_dev, 0x8a28, 0x0124);
2373		cit_write_reg(gspca_dev, 0x0010, 0x012d);
2374		cit_write_reg(gspca_dev, 0x006d, 0x012f);
2375		cit_write_reg(gspca_dev, 0xd145, 0x0124);
2376		cit_write_reg(gspca_dev, 0x0001, 0x0127);
2377		cit_write_reg(gspca_dev, 0xfea8, 0x0124);
2378		/* TESTME HDG: this does not seem right
2379		   (it is 2 for all other resolutions) */
2380		sd->sof_len = 10;
2381		break;
2382	case 320: /* 320x240 */
2383		cit_write_reg(gspca_dev, 0x0070, 0x0119);
2384		cit_write_reg(gspca_dev, 0x00d0, 0x0111);
2385		cit_write_reg(gspca_dev, 0x0039, 0x010a);
2386		cit_write_reg(gspca_dev, 0x0001, 0x0102);
2387		cit_write_reg(gspca_dev, 0x0028, 0x0103);
2388		cit_write_reg(gspca_dev, 0x0000, 0x0104);
2389		cit_write_reg(gspca_dev, 0x001e, 0x0105);
2390		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
2391		cit_write_reg(gspca_dev, 0x0016, 0x012f);
2392		cit_write_reg(gspca_dev, 0xd141, 0x0124);
2393		cit_write_reg(gspca_dev, 0x000a, 0x0127);
2394		cit_write_reg(gspca_dev, 0x00aa, 0x0130);
2395		cit_write_reg(gspca_dev, 0x82a8, 0x0124);
2396		cit_write_reg(gspca_dev, 0x0014, 0x012d);
2397		cit_write_reg(gspca_dev, 0x0008, 0x012f);
2398		cit_write_reg(gspca_dev, 0xd145, 0x0124);
2399		cit_write_reg(gspca_dev, 0x00aa, 0x012e);
2400		cit_write_reg(gspca_dev, 0x001a, 0x0130);
2401		cit_write_reg(gspca_dev, 0x8a0a, 0x0124);
2402		cit_write_reg(gspca_dev, 0x005a, 0x012d);
2403		cit_write_reg(gspca_dev, 0x9545, 0x0124);
2404		cit_write_reg(gspca_dev, 0x00aa, 0x0127);
2405		cit_write_reg(gspca_dev, 0x0018, 0x012e);
2406		cit_write_reg(gspca_dev, 0x0043, 0x0130);
2407		cit_write_reg(gspca_dev, 0x8a28, 0x0124);
2408		cit_write_reg(gspca_dev, 0x00aa, 0x012f);
2409		cit_write_reg(gspca_dev, 0xd055, 0x0124);
2410		cit_write_reg(gspca_dev, 0x001c, 0x0127);
2411		cit_write_reg(gspca_dev, 0x00eb, 0x012e);
2412		cit_write_reg(gspca_dev, 0xaa28, 0x0124);
2413		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
2414		cit_write_reg(gspca_dev, 0x0032, 0x012f);
2415		cit_write_reg(gspca_dev, 0xd141, 0x0124);
2416		cit_write_reg(gspca_dev, 0x0000, 0x0127);
2417		cit_write_reg(gspca_dev, 0x00aa, 0x0130);
2418		cit_write_reg(gspca_dev, 0x82a8, 0x0124);
2419		cit_write_reg(gspca_dev, 0x0036, 0x012d);
2420		cit_write_reg(gspca_dev, 0x0008, 0x012f);
2421		cit_write_reg(gspca_dev, 0xd145, 0x0124);
2422		cit_write_reg(gspca_dev, 0xfffa, 0x0124);
2423		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
2424		cit_write_reg(gspca_dev, 0x001e, 0x012f);
2425		cit_write_reg(gspca_dev, 0xd141, 0x0124);
2426		cit_write_reg(gspca_dev, 0x0017, 0x0127);
2427		cit_write_reg(gspca_dev, 0x0013, 0x012e);
2428		cit_write_reg(gspca_dev, 0x0031, 0x0130);
2429		cit_write_reg(gspca_dev, 0x8a28, 0x0124);
2430		cit_write_reg(gspca_dev, 0x0017, 0x012d);
2431		cit_write_reg(gspca_dev, 0x0078, 0x012f);
2432		cit_write_reg(gspca_dev, 0xd145, 0x0124);
2433		cit_write_reg(gspca_dev, 0x0000, 0x0127);
2434		cit_write_reg(gspca_dev, 0xfea8, 0x0124);
2435		sd->sof_len = 2;
2436		break;
2437	case 352: /* 352x288 */
2438		cit_write_reg(gspca_dev, 0x0070, 0x0119);
2439		cit_write_reg(gspca_dev, 0x00c0, 0x0111);
2440		cit_write_reg(gspca_dev, 0x0039, 0x010a);
2441		cit_write_reg(gspca_dev, 0x0001, 0x0102);
2442		cit_write_reg(gspca_dev, 0x002c, 0x0103);
2443		cit_write_reg(gspca_dev, 0x0000, 0x0104);
2444		cit_write_reg(gspca_dev, 0x0024, 0x0105);
2445		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
2446		cit_write_reg(gspca_dev, 0x0016, 0x012f);
2447		cit_write_reg(gspca_dev, 0xd141, 0x0124);
2448		cit_write_reg(gspca_dev, 0x0006, 0x0127);
2449		cit_write_reg(gspca_dev, 0x00aa, 0x0130);
2450		cit_write_reg(gspca_dev, 0x82a8, 0x0124);
2451		cit_write_reg(gspca_dev, 0x0014, 0x012d);
2452		cit_write_reg(gspca_dev, 0x0002, 0x012f);
2453		cit_write_reg(gspca_dev, 0xd145, 0x0124);
2454		cit_write_reg(gspca_dev, 0x00aa, 0x012e);
2455		cit_write_reg(gspca_dev, 0x001a, 0x0130);
2456		cit_write_reg(gspca_dev, 0x8a0a, 0x0124);
2457		cit_write_reg(gspca_dev, 0x005e, 0x012d);
2458		cit_write_reg(gspca_dev, 0x9545, 0x0124);
2459		cit_write_reg(gspca_dev, 0x00aa, 0x0127);
2460		cit_write_reg(gspca_dev, 0x0018, 0x012e);
2461		cit_write_reg(gspca_dev, 0x0049, 0x0130);
2462		cit_write_reg(gspca_dev, 0x8a28, 0x0124);
2463		cit_write_reg(gspca_dev, 0x00aa, 0x012f);
2464		cit_write_reg(gspca_dev, 0xd055, 0x0124);
2465		cit_write_reg(gspca_dev, 0x001c, 0x0127);
2466		cit_write_reg(gspca_dev, 0x00cf, 0x012e);
2467		cit_write_reg(gspca_dev, 0xaa28, 0x0124);
2468		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
2469		cit_write_reg(gspca_dev, 0x0032, 0x012f);
2470		cit_write_reg(gspca_dev, 0xd141, 0x0124);
2471		cit_write_reg(gspca_dev, 0x0000, 0x0127);
2472		cit_write_reg(gspca_dev, 0x00aa, 0x0130);
2473		cit_write_reg(gspca_dev, 0x82a8, 0x0124);
2474		cit_write_reg(gspca_dev, 0x0036, 0x012d);
2475		cit_write_reg(gspca_dev, 0x0008, 0x012f);
2476		cit_write_reg(gspca_dev, 0xd145, 0x0124);
2477		cit_write_reg(gspca_dev, 0xfffa, 0x0124);
2478		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
2479		cit_write_reg(gspca_dev, 0x001e, 0x012f);
2480		cit_write_reg(gspca_dev, 0xd141, 0x0124);
2481		cit_write_reg(gspca_dev, 0x0010, 0x0127);
2482		cit_write_reg(gspca_dev, 0x0013, 0x012e);
2483		cit_write_reg(gspca_dev, 0x0025, 0x0130);
2484		cit_write_reg(gspca_dev, 0x8a28, 0x0124);
2485		cit_write_reg(gspca_dev, 0x0010, 0x012d);
2486		cit_write_reg(gspca_dev, 0x0048, 0x012f);
2487		cit_write_reg(gspca_dev, 0xd145, 0x0124);
2488		cit_write_reg(gspca_dev, 0x0000, 0x0127);
2489		cit_write_reg(gspca_dev, 0xfea8, 0x0124);
2490		sd->sof_len = 2;
2491		break;
2492	}
2493
2494	cit_model4_Packet1(gspca_dev, 0x0038, 0x0004);
2495
2496	return 0;
2497}
2498
2499static int cit_start_ibm_netcam_pro(struct gspca_dev *gspca_dev)
2500{
2501	const unsigned short compression = 0; /* 0=none, 7=best frame rate */
2502	int i, clock_div;
2503
2504	clock_div = cit_get_clock_div(gspca_dev);
2505	if (clock_div < 0)
2506		return clock_div;
2507
2508	cit_write_reg(gspca_dev, 0x0003, 0x0133);
2509	cit_write_reg(gspca_dev, 0x0000, 0x0117);
2510	cit_write_reg(gspca_dev, 0x0008, 0x0123);
2511	cit_write_reg(gspca_dev, 0x0000, 0x0100);
2512	cit_write_reg(gspca_dev, 0x0060, 0x0116);
2513	/* cit_write_reg(gspca_dev, 0x0002, 0x0112); see sd_stop0 */
2514	cit_write_reg(gspca_dev, 0x0000, 0x0133);
2515	cit_write_reg(gspca_dev, 0x0000, 0x0123);
2516	cit_write_reg(gspca_dev, 0x0001, 0x0117);
2517	cit_write_reg(gspca_dev, 0x0040, 0x0108);
2518	cit_write_reg(gspca_dev, 0x0019, 0x012c);
2519	cit_write_reg(gspca_dev, 0x0060, 0x0116);
2520	/* cit_write_reg(gspca_dev, 0x000b, 0x0115); see sd_stop0 */
2521
2522	cit_model3_Packet1(gspca_dev, 0x0049, 0x0000);
2523
2524	cit_write_reg(gspca_dev, 0x0000, 0x0101); /* Same on 160x120, 320x240 */
2525	cit_write_reg(gspca_dev, 0x003a, 0x0102); /* Hstart */
2526	cit_write_reg(gspca_dev, 0x00a0, 0x0103); /* Same on 160x120, 320x240 */
2527	cit_write_reg(gspca_dev, 0x0078, 0x0105); /* Same on 160x120, 320x240 */
2528	cit_write_reg(gspca_dev, 0x0000, 0x010a); /* Same */
2529	cit_write_reg(gspca_dev, 0x0002, 0x011d); /* Same on 160x120, 320x240 */
2530	cit_write_reg(gspca_dev, 0x0000, 0x0129); /* Same */
2531	cit_write_reg(gspca_dev, 0x00fc, 0x012b); /* Same */
2532	cit_write_reg(gspca_dev, 0x0022, 0x012a); /* Same */
2533
2534	switch (gspca_dev->pixfmt.width) {
2535	case 160: /* 160x120 */
2536		cit_write_reg(gspca_dev, 0x0024, 0x010b);
2537		cit_write_reg(gspca_dev, 0x0089, 0x0119);
2538		cit_write_reg(gspca_dev, 0x000a, 0x011b);
2539		cit_write_reg(gspca_dev, 0x0003, 0x011e);
2540		cit_write_reg(gspca_dev, 0x0007, 0x0104);
2541		cit_write_reg(gspca_dev, 0x0009, 0x011a);
2542		cit_write_reg(gspca_dev, 0x008b, 0x011c);
2543		cit_write_reg(gspca_dev, 0x0008, 0x0118);
2544		cit_write_reg(gspca_dev, 0x0000, 0x0132);
2545		break;
2546	case 320: /* 320x240 */
2547		cit_write_reg(gspca_dev, 0x0028, 0x010b);
2548		cit_write_reg(gspca_dev, 0x00d9, 0x0119);
2549		cit_write_reg(gspca_dev, 0x0006, 0x011b);
2550		cit_write_reg(gspca_dev, 0x0000, 0x011e);
2551		cit_write_reg(gspca_dev, 0x000e, 0x0104);
2552		cit_write_reg(gspca_dev, 0x0004, 0x011a);
2553		cit_write_reg(gspca_dev, 0x003f, 0x011c);
2554		cit_write_reg(gspca_dev, 0x000c, 0x0118);
2555		cit_write_reg(gspca_dev, 0x0000, 0x0132);
2556		break;
2557	}
2558
2559	cit_model3_Packet1(gspca_dev, 0x0019, 0x0031);
2560	cit_model3_Packet1(gspca_dev, 0x001a, 0x0003);
2561	cit_model3_Packet1(gspca_dev, 0x001b, 0x0038);
2562	cit_model3_Packet1(gspca_dev, 0x001c, 0x0000);
2563	cit_model3_Packet1(gspca_dev, 0x0024, 0x0001);
2564	cit_model3_Packet1(gspca_dev, 0x0027, 0x0001);
2565	cit_model3_Packet1(gspca_dev, 0x002a, 0x0004);
2566	cit_model3_Packet1(gspca_dev, 0x0035, 0x000b);
2567	cit_model3_Packet1(gspca_dev, 0x003f, 0x0001);
2568	cit_model3_Packet1(gspca_dev, 0x0044, 0x0000);
2569	cit_model3_Packet1(gspca_dev, 0x0054, 0x0000);
2570	cit_model3_Packet1(gspca_dev, 0x00c4, 0x0000);
2571	cit_model3_Packet1(gspca_dev, 0x00e7, 0x0001);
2572	cit_model3_Packet1(gspca_dev, 0x00e9, 0x0001);
2573	cit_model3_Packet1(gspca_dev, 0x00ee, 0x0000);
2574	cit_model3_Packet1(gspca_dev, 0x00f3, 0x00c0);
2575
2576	cit_write_reg(gspca_dev, compression, 0x0109);
2577	cit_write_reg(gspca_dev, clock_div, 0x0111);
2578
2579/*	if (sd->input_index) { */
2580	if (rca_input) {
2581		for (i = 0; i < ARRAY_SIZE(rca_initdata); i++) {
2582			if (rca_initdata[i][0])
2583				cit_read_reg(gspca_dev, rca_initdata[i][2], 0);
2584			else
2585				cit_write_reg(gspca_dev, rca_initdata[i][1],
2586					      rca_initdata[i][2]);
2587		}
2588	}
2589
2590	return 0;
2591}
2592
2593/* -- start the camera -- */
2594static int sd_start(struct gspca_dev *gspca_dev)
2595{
2596	struct sd *sd = (struct sd *) gspca_dev;
2597	int packet_size;
2598
2599	packet_size = cit_get_packet_size(gspca_dev);
2600	if (packet_size < 0)
2601		return packet_size;
2602
2603	switch (sd->model) {
2604	case CIT_MODEL0:
2605		cit_start_model0(gspca_dev);
2606		break;
2607	case CIT_MODEL1:
2608		cit_start_model1(gspca_dev);
2609		break;
2610	case CIT_MODEL2:
2611		cit_start_model2(gspca_dev);
2612		break;
2613	case CIT_MODEL3:
2614		cit_start_model3(gspca_dev);
2615		break;
2616	case CIT_MODEL4:
2617		cit_start_model4(gspca_dev);
2618		break;
2619	case CIT_IBM_NETCAM_PRO:
2620		cit_start_ibm_netcam_pro(gspca_dev);
2621		break;
2622	}
2623
2624	/* Program max isoc packet size */
2625	cit_write_reg(gspca_dev, packet_size >> 8, 0x0106);
2626	cit_write_reg(gspca_dev, packet_size & 0xff, 0x0107);
2627
2628	cit_restart_stream(gspca_dev);
2629
2630	return 0;
2631}
2632
2633static int sd_isoc_init(struct gspca_dev *gspca_dev)
2634{
2635	struct usb_host_interface *alt;
2636	int max_packet_size;
2637
2638	switch (gspca_dev->pixfmt.width) {
2639	case 160:
2640		max_packet_size = 450;
2641		break;
2642	case 176:
2643		max_packet_size = 600;
2644		break;
2645	default:
2646		max_packet_size = 1022;
2647		break;
2648	}
2649
2650	/* Start isoc bandwidth "negotiation" at max isoc bandwidth */
2651	alt = &gspca_dev->dev->actconfig->intf_cache[0]->altsetting[1];
2652	alt->endpoint[0].desc.wMaxPacketSize = cpu_to_le16(max_packet_size);
2653
2654	return 0;
2655}
2656
2657static int sd_isoc_nego(struct gspca_dev *gspca_dev)
2658{
2659	int ret, packet_size, min_packet_size;
2660	struct usb_host_interface *alt;
2661
2662	switch (gspca_dev->pixfmt.width) {
2663	case 160:
2664		min_packet_size = 200;
2665		break;
2666	case 176:
2667		min_packet_size = 266;
2668		break;
2669	default:
2670		min_packet_size = 400;
2671		break;
2672	}
2673
2674	alt = &gspca_dev->dev->actconfig->intf_cache[0]->altsetting[1];
2675	packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
2676	if (packet_size <= min_packet_size)
2677		return -EIO;
2678
2679	packet_size -= 100;
2680	if (packet_size < min_packet_size)
2681		packet_size = min_packet_size;
2682	alt->endpoint[0].desc.wMaxPacketSize = cpu_to_le16(packet_size);
2683
2684	ret = usb_set_interface(gspca_dev->dev, gspca_dev->iface, 1);
2685	if (ret < 0)
2686		pr_err("set alt 1 err %d\n", ret);
2687
2688	return ret;
2689}
2690
2691static void sd_stopN(struct gspca_dev *gspca_dev)
2692{
2693	cit_write_reg(gspca_dev, 0x0000, 0x010c);
2694}
2695
2696static void sd_stop0(struct gspca_dev *gspca_dev)
2697{
2698	struct sd *sd = (struct sd *) gspca_dev;
2699
2700	if (!gspca_dev->present)
2701		return;
2702
2703	switch (sd->model) {
2704	case CIT_MODEL0:
2705		/* HDG windows does this, but it causes the cams autogain to
2706		   restart from a gain of 0, which does not look good when
2707		   changing resolutions. */
2708		/* cit_write_reg(gspca_dev, 0x0000, 0x0112); */
2709		cit_write_reg(gspca_dev, 0x00c0, 0x0100); /* LED Off */
2710		break;
2711	case CIT_MODEL1:
2712		cit_send_FF_04_02(gspca_dev);
2713		cit_read_reg(gspca_dev, 0x0100, 0);
2714		cit_write_reg(gspca_dev, 0x81, 0x0100);	/* LED Off */
2715		break;
2716	case CIT_MODEL2:
2717		v4l2_ctrl_grab(sd->lighting, false);
2718		/* Fall through! */
2719	case CIT_MODEL4:
2720		cit_model2_Packet1(gspca_dev, 0x0030, 0x0004);
2721
2722		cit_write_reg(gspca_dev, 0x0080, 0x0100);	/* LED Off */
2723		cit_write_reg(gspca_dev, 0x0020, 0x0111);
2724		cit_write_reg(gspca_dev, 0x00a0, 0x0111);
2725
2726		cit_model2_Packet1(gspca_dev, 0x0030, 0x0002);
2727
2728		cit_write_reg(gspca_dev, 0x0020, 0x0111);
2729		cit_write_reg(gspca_dev, 0x0000, 0x0112);
2730		break;
2731	case CIT_MODEL3:
2732		cit_write_reg(gspca_dev, 0x0006, 0x012c);
2733		cit_model3_Packet1(gspca_dev, 0x0046, 0x0000);
2734		cit_read_reg(gspca_dev, 0x0116, 0);
2735		cit_write_reg(gspca_dev, 0x0064, 0x0116);
2736		cit_read_reg(gspca_dev, 0x0115, 0);
2737		cit_write_reg(gspca_dev, 0x0003, 0x0115);
2738		cit_write_reg(gspca_dev, 0x0008, 0x0123);
2739		cit_write_reg(gspca_dev, 0x0000, 0x0117);
2740		cit_write_reg(gspca_dev, 0x0000, 0x0112);
2741		cit_write_reg(gspca_dev, 0x0080, 0x0100);
2742		break;
2743	case CIT_IBM_NETCAM_PRO:
2744		cit_model3_Packet1(gspca_dev, 0x0049, 0x00ff);
2745		cit_write_reg(gspca_dev, 0x0006, 0x012c);
2746		cit_write_reg(gspca_dev, 0x0000, 0x0116);
2747		/* HDG windows does this, but I cannot get the camera
2748		   to restart with this without redoing the entire init
2749		   sequence which makes switching modes really slow */
2750		/* cit_write_reg(gspca_dev, 0x0006, 0x0115); */
2751		cit_write_reg(gspca_dev, 0x0008, 0x0123);
2752		cit_write_reg(gspca_dev, 0x0000, 0x0117);
2753		cit_write_reg(gspca_dev, 0x0003, 0x0133);
2754		cit_write_reg(gspca_dev, 0x0000, 0x0111);
2755		/* HDG windows does this, but I get a green picture when
2756		   restarting the stream after this */
2757		/* cit_write_reg(gspca_dev, 0x0000, 0x0112); */
2758		cit_write_reg(gspca_dev, 0x00c0, 0x0100);
2759		break;
2760	}
2761
2762#if IS_ENABLED(CONFIG_INPUT)
2763	/* If the last button state is pressed, release it now! */
2764	if (sd->button_state) {
2765		input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0);
2766		input_sync(gspca_dev->input_dev);
2767		sd->button_state = 0;
2768	}
2769#endif
2770}
2771
2772static u8 *cit_find_sof(struct gspca_dev *gspca_dev, u8 *data, int len)
2773{
2774	struct sd *sd = (struct sd *) gspca_dev;
2775	u8 byte3 = 0, byte4 = 0;
2776	int i;
2777
2778	switch (sd->model) {
2779	case CIT_MODEL0:
2780	case CIT_MODEL1:
2781	case CIT_MODEL3:
2782	case CIT_IBM_NETCAM_PRO:
2783		switch (gspca_dev->pixfmt.width) {
2784		case 160: /* 160x120 */
2785			byte3 = 0x02;
2786			byte4 = 0x0a;
2787			break;
2788		case 176: /* 176x144 */
2789			byte3 = 0x02;
2790			byte4 = 0x0e;
2791			break;
2792		case 320: /* 320x240 */
2793			byte3 = 0x02;
2794			byte4 = 0x08;
2795			break;
2796		case 352: /* 352x288 */
2797			byte3 = 0x02;
2798			byte4 = 0x00;
2799			break;
2800		case 640:
2801			byte3 = 0x03;
2802			byte4 = 0x08;
2803			break;
2804		}
2805
2806		/* These have a different byte3 */
2807		if (sd->model <= CIT_MODEL1)
2808			byte3 = 0x00;
2809
2810		for (i = 0; i < len; i++) {
2811			/* For this model the SOF always starts at offset 0
2812			   so no need to search the entire frame */
2813			if (sd->model == CIT_MODEL0 && sd->sof_read != i)
2814				break;
2815
2816			switch (sd->sof_read) {
2817			case 0:
2818				if (data[i] == 0x00)
2819					sd->sof_read++;
2820				break;
2821			case 1:
2822				if (data[i] == 0xff)
2823					sd->sof_read++;
2824				else if (data[i] == 0x00)
2825					sd->sof_read = 1;
2826				else
2827					sd->sof_read = 0;
2828				break;
2829			case 2:
2830				if (data[i] == byte3)
2831					sd->sof_read++;
2832				else if (data[i] == 0x00)
2833					sd->sof_read = 1;
2834				else
2835					sd->sof_read = 0;
2836				break;
2837			case 3:
2838				if (data[i] == byte4) {
2839					sd->sof_read = 0;
2840					return data + i + (sd->sof_len - 3);
2841				}
2842				if (byte3 == 0x00 && data[i] == 0xff)
2843					sd->sof_read = 2;
2844				else if (data[i] == 0x00)
2845					sd->sof_read = 1;
2846				else
2847					sd->sof_read = 0;
2848				break;
2849			}
2850		}
2851		break;
2852	case CIT_MODEL2:
2853	case CIT_MODEL4:
2854		/* TESTME we need to find a longer sof signature to avoid
2855		   false positives */
2856		for (i = 0; i < len; i++) {
2857			switch (sd->sof_read) {
2858			case 0:
2859				if (data[i] == 0x00)
2860					sd->sof_read++;
2861				break;
2862			case 1:
2863				sd->sof_read = 0;
2864				if (data[i] == 0xff) {
2865					if (i >= 4)
2866						PDEBUG(D_FRAM,
2867						       "header found at offset: %d: %02x %02x 00 %3ph\n",
2868						       i - 1,
2869						       data[i - 4],
2870						       data[i - 3],
2871						       &data[i]);
2872					else
2873						PDEBUG(D_FRAM,
2874						       "header found at offset: %d: 00 %3ph\n",
2875						       i - 1,
2876						       &data[i]);
2877					return data + i + (sd->sof_len - 1);
2878				}
2879				break;
2880			}
2881		}
2882		break;
2883	}
2884	return NULL;
2885}
2886
2887static void sd_pkt_scan(struct gspca_dev *gspca_dev,
2888			u8 *data, int len)
2889{
2890	struct sd *sd = (struct sd *) gspca_dev;
2891	unsigned char *sof;
2892
2893	sof = cit_find_sof(gspca_dev, data, len);
2894	if (sof) {
2895		int n;
2896
2897		/* finish decoding current frame */
2898		n = sof - data;
2899		if (n > sd->sof_len)
2900			n -= sd->sof_len;
2901		else
2902			n = 0;
2903		gspca_frame_add(gspca_dev, LAST_PACKET,
2904				data, n);
2905		gspca_frame_add(gspca_dev, FIRST_PACKET, NULL, 0);
2906		len -= sof - data;
2907		data = sof;
2908	}
2909
2910	gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
2911}
2912
2913#if IS_ENABLED(CONFIG_INPUT)
2914static void cit_check_button(struct gspca_dev *gspca_dev)
2915{
2916	int new_button_state;
2917	struct sd *sd = (struct sd *)gspca_dev;
2918
2919	switch (sd->model) {
2920	case CIT_MODEL3:
2921	case CIT_IBM_NETCAM_PRO:
2922		break;
2923	default: /* TEST ME unknown if this works on other models too */
2924		return;
2925	}
2926
2927	/* Read the button state */
2928	cit_read_reg(gspca_dev, 0x0113, 0);
2929	new_button_state = !gspca_dev->usb_buf[0];
2930
2931	/* Tell the cam we've seen the button press, notice that this
2932	   is a nop (iow the cam keeps reporting pressed) until the
2933	   button is actually released. */
2934	if (new_button_state)
2935		cit_write_reg(gspca_dev, 0x01, 0x0113);
2936
2937	if (sd->button_state != new_button_state) {
2938		input_report_key(gspca_dev->input_dev, KEY_CAMERA,
2939				 new_button_state);
2940		input_sync(gspca_dev->input_dev);
2941		sd->button_state = new_button_state;
2942	}
2943}
2944#endif
2945
2946static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
2947{
2948	struct gspca_dev *gspca_dev =
2949		container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
2950	struct sd *sd = (struct sd *)gspca_dev;
2951
2952	gspca_dev->usb_err = 0;
2953
2954	if (!gspca_dev->streaming)
2955		return 0;
2956
2957	if (sd->stop_on_control_change)
2958		sd_stopN(gspca_dev);
2959	switch (ctrl->id) {
2960	case V4L2_CID_BRIGHTNESS:
2961		cit_set_brightness(gspca_dev, ctrl->val);
2962		break;
2963	case V4L2_CID_CONTRAST:
2964		cit_set_contrast(gspca_dev, ctrl->val);
2965		break;
2966	case V4L2_CID_HUE:
2967		cit_set_hue(gspca_dev, ctrl->val);
2968		break;
2969	case V4L2_CID_HFLIP:
2970		cit_set_hflip(gspca_dev, ctrl->val);
2971		break;
2972	case V4L2_CID_SHARPNESS:
2973		cit_set_sharpness(gspca_dev, ctrl->val);
2974		break;
2975	case V4L2_CID_BACKLIGHT_COMPENSATION:
2976		cit_set_lighting(gspca_dev, ctrl->val);
2977		break;
2978	}
2979	if (sd->stop_on_control_change)
2980		cit_restart_stream(gspca_dev);
2981	return gspca_dev->usb_err;
2982}
2983
2984static const struct v4l2_ctrl_ops sd_ctrl_ops = {
2985	.s_ctrl = sd_s_ctrl,
2986};
2987
2988static int sd_init_controls(struct gspca_dev *gspca_dev)
2989{
2990	struct sd *sd = (struct sd *)gspca_dev;
2991	struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
2992	bool has_brightness;
2993	bool has_contrast;
2994	bool has_hue;
2995	bool has_sharpness;
2996	bool has_lighting;
2997	bool has_hflip;
2998
2999	has_brightness = has_contrast = has_hue =
3000		has_sharpness = has_hflip = has_lighting = false;
3001	switch (sd->model) {
3002	case CIT_MODEL0:
3003		has_contrast = has_hflip = true;
3004		break;
3005	case CIT_MODEL1:
3006		has_brightness = has_contrast =
3007			has_sharpness = has_lighting = true;
3008		break;
3009	case CIT_MODEL2:
3010		has_brightness = has_hue = has_lighting = true;
3011		break;
3012	case CIT_MODEL3:
3013		has_brightness = has_contrast = has_sharpness = true;
3014		break;
3015	case CIT_MODEL4:
3016		has_brightness = has_hue = true;
3017		break;
3018	case CIT_IBM_NETCAM_PRO:
3019		has_brightness = has_hue =
3020			has_sharpness = has_hflip = has_lighting = true;
3021		break;
3022	}
3023	gspca_dev->vdev.ctrl_handler = hdl;
3024	v4l2_ctrl_handler_init(hdl, 5);
3025	if (has_brightness)
3026		v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
3027			V4L2_CID_BRIGHTNESS, 0, 63, 1, 32);
3028	if (has_contrast)
3029		v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
3030			V4L2_CID_CONTRAST, 0, 20, 1, 10);
3031	if (has_hue)
3032		v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
3033			V4L2_CID_HUE, 0, 127, 1, 63);
3034	if (has_sharpness)
3035		v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
3036			V4L2_CID_SHARPNESS, 0, 6, 1, 3);
3037	if (has_lighting)
3038		sd->lighting = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
3039			V4L2_CID_BACKLIGHT_COMPENSATION, 0, 2, 1, 1);
3040	if (has_hflip)
3041		v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
3042			V4L2_CID_HFLIP, 0, 1, 1, 0);
3043
3044	if (hdl->error) {
3045		pr_err("Could not initialize controls\n");
3046		return hdl->error;
3047	}
3048	return 0;
3049}
3050
3051/* sub-driver description */
3052static const struct sd_desc sd_desc = {
3053	.name = MODULE_NAME,
3054	.config = sd_config,
3055	.init = sd_init,
3056	.init_controls = sd_init_controls,
3057	.start = sd_start,
3058	.stopN = sd_stopN,
3059	.stop0 = sd_stop0,
3060	.pkt_scan = sd_pkt_scan,
3061#if IS_ENABLED(CONFIG_INPUT)
3062	.dq_callback = cit_check_button,
3063	.other_input = 1,
3064#endif
3065};
3066
3067static const struct sd_desc sd_desc_isoc_nego = {
3068	.name = MODULE_NAME,
3069	.config = sd_config,
3070	.init = sd_init,
3071	.init_controls = sd_init_controls,
3072	.start = sd_start,
3073	.isoc_init = sd_isoc_init,
3074	.isoc_nego = sd_isoc_nego,
3075	.stopN = sd_stopN,
3076	.stop0 = sd_stop0,
3077	.pkt_scan = sd_pkt_scan,
3078#if IS_ENABLED(CONFIG_INPUT)
3079	.dq_callback = cit_check_button,
3080	.other_input = 1,
3081#endif
3082};
3083
3084/* -- module initialisation -- */
3085static const struct usb_device_id device_table[] = {
3086	{ USB_DEVICE_VER(0x0545, 0x8080, 0x0001, 0x0001), .driver_info = CIT_MODEL0 },
3087	{ USB_DEVICE_VER(0x0545, 0x8080, 0x0002, 0x0002), .driver_info = CIT_MODEL1 },
3088	{ USB_DEVICE_VER(0x0545, 0x8080, 0x030a, 0x030a), .driver_info = CIT_MODEL2 },
3089	{ USB_DEVICE_VER(0x0545, 0x8080, 0x0301, 0x0301), .driver_info = CIT_MODEL3 },
3090	{ USB_DEVICE_VER(0x0545, 0x8002, 0x030a, 0x030a), .driver_info = CIT_MODEL4 },
3091	{ USB_DEVICE_VER(0x0545, 0x800c, 0x030a, 0x030a), .driver_info = CIT_MODEL2 },
3092	{ USB_DEVICE_VER(0x0545, 0x800d, 0x030a, 0x030a), .driver_info = CIT_MODEL4 },
3093	{}
3094};
3095MODULE_DEVICE_TABLE(usb, device_table);
3096
3097/* -- device connect -- */
3098static int sd_probe(struct usb_interface *intf,
3099			const struct usb_device_id *id)
3100{
3101	const struct sd_desc *desc = &sd_desc;
3102
3103	switch (id->driver_info) {
3104	case CIT_MODEL0:
3105	case CIT_MODEL1:
3106		if (intf->cur_altsetting->desc.bInterfaceNumber != 2)
3107			return -ENODEV;
3108		break;
3109	case CIT_MODEL2:
3110	case CIT_MODEL4:
3111		if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
3112			return -ENODEV;
3113		break;
3114	case CIT_MODEL3:
3115		if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
3116			return -ENODEV;
3117		/* FIXME this likely applies to all model3 cams and probably
3118		   to other models too. */
3119		if (ibm_netcam_pro)
3120			desc = &sd_desc_isoc_nego;
3121		break;
3122	}
3123
3124	return gspca_dev_probe2(intf, id, desc, sizeof(struct sd), THIS_MODULE);
3125}
3126
3127static struct usb_driver sd_driver = {
3128	.name = MODULE_NAME,
3129	.id_table = device_table,
3130	.probe = sd_probe,
3131	.disconnect = gspca_disconnect,
3132#ifdef CONFIG_PM
3133	.suspend = gspca_suspend,
3134	.resume = gspca_resume,
3135	.reset_resume = gspca_resume,
3136#endif
3137};
3138
3139module_usb_driver(sd_driver);
3140