cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

xirlink_cit.c (99009B)


      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 * USB IBM C-It Video Camera driver
      4 *
      5 * Supports Xirlink C-It Video Camera, IBM PC Camera,
      6 * IBM NetCamera and Veo Stingray.
      7 *
      8 * Copyright (C) 2010 Hans de Goede <hdegoede@redhat.com>
      9 *
     10 * This driver is based on earlier work of:
     11 *
     12 * (C) Copyright 1999 Johannes Erdfelt
     13 * (C) Copyright 1999 Randy Dunlap
     14 */
     15
     16#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
     17
     18#define MODULE_NAME "xirlink-cit"
     19
     20#include <linux/input.h>
     21#include "gspca.h"
     22
     23MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
     24MODULE_DESCRIPTION("Xirlink C-IT");
     25MODULE_LICENSE("GPL");
     26
     27/* FIXME we should autodetect this */
     28static int ibm_netcam_pro;
     29module_param(ibm_netcam_pro, int, 0);
     30MODULE_PARM_DESC(ibm_netcam_pro,
     31		 "Use IBM Netcamera Pro init sequences for Model 3 cams");
     32
     33/* FIXME this should be handled through the V4L2 input selection API */
     34static int rca_input;
     35module_param(rca_input, int, 0644);
     36MODULE_PARM_DESC(rca_input,
     37		 "Use rca input instead of ccd sensor on Model 3 cams");
     38
     39/* specific webcam descriptor */
     40struct sd {
     41	struct gspca_dev gspca_dev;		/* !! must be the first item */
     42	struct v4l2_ctrl *lighting;
     43	u8 model;
     44#define CIT_MODEL0 0 /* bcd version 0.01 cams ie the xvp-500 */
     45#define CIT_MODEL1 1 /* The model 1 - 4 nomenclature comes from the old */
     46#define CIT_MODEL2 2 /* ibmcam driver */
     47#define CIT_MODEL3 3
     48#define CIT_MODEL4 4
     49#define CIT_IBM_NETCAM_PRO 5
     50	u8 input_index;
     51	u8 button_state;
     52	u8 stop_on_control_change;
     53	u8 sof_read;
     54	u8 sof_len;
     55};
     56
     57static void sd_stop0(struct gspca_dev *gspca_dev);
     58
     59static const struct v4l2_pix_format cif_yuv_mode[] = {
     60	{176, 144, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
     61		.bytesperline = 176,
     62		.sizeimage = 176 * 144 * 3 / 2 + 4,
     63		.colorspace = V4L2_COLORSPACE_SRGB},
     64	{352, 288, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
     65		.bytesperline = 352,
     66		.sizeimage = 352 * 288 * 3 / 2 + 4,
     67		.colorspace = V4L2_COLORSPACE_SRGB},
     68};
     69
     70static const struct v4l2_pix_format vga_yuv_mode[] = {
     71	{160, 120, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
     72		.bytesperline = 160,
     73		.sizeimage = 160 * 120 * 3 / 2 + 4,
     74		.colorspace = V4L2_COLORSPACE_SRGB},
     75	{320, 240, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
     76		.bytesperline = 320,
     77		.sizeimage = 320 * 240 * 3 / 2 + 4,
     78		.colorspace = V4L2_COLORSPACE_SRGB},
     79	{640, 480, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
     80		.bytesperline = 640,
     81		.sizeimage = 640 * 480 * 3 / 2 + 4,
     82		.colorspace = V4L2_COLORSPACE_SRGB},
     83};
     84
     85static const struct v4l2_pix_format model0_mode[] = {
     86	{160, 120, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
     87		.bytesperline = 160,
     88		.sizeimage = 160 * 120 * 3 / 2 + 4,
     89		.colorspace = V4L2_COLORSPACE_SRGB},
     90	{176, 144, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
     91		.bytesperline = 176,
     92		.sizeimage = 176 * 144 * 3 / 2 + 4,
     93		.colorspace = V4L2_COLORSPACE_SRGB},
     94	{320, 240, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
     95		.bytesperline = 320,
     96		.sizeimage = 320 * 240 * 3 / 2 + 4,
     97		.colorspace = V4L2_COLORSPACE_SRGB},
     98};
     99
    100static const struct v4l2_pix_format model2_mode[] = {
    101	{160, 120, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
    102		.bytesperline = 160,
    103		.sizeimage = 160 * 120 * 3 / 2 + 4,
    104		.colorspace = V4L2_COLORSPACE_SRGB},
    105	{176, 144, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
    106		.bytesperline = 176,
    107		.sizeimage = 176 * 144 * 3 / 2 + 4,
    108		.colorspace = V4L2_COLORSPACE_SRGB},
    109	{320, 240, V4L2_PIX_FMT_SGRBG8, V4L2_FIELD_NONE,
    110		.bytesperline = 320,
    111		.sizeimage = 320 * 240 + 4,
    112		.colorspace = V4L2_COLORSPACE_SRGB},
    113	{352, 288, V4L2_PIX_FMT_SGRBG8, V4L2_FIELD_NONE,
    114		.bytesperline = 352,
    115		.sizeimage = 352 * 288 + 4,
    116		.colorspace = V4L2_COLORSPACE_SRGB},
    117};
    118
    119/*
    120 * 01.01.08 - Added for RCA video in support -LO
    121 * This struct is used to init the Model3 cam to use the RCA video in port
    122 * instead of the CCD sensor.
    123 */
    124static const u16 rca_initdata[][3] = {
    125	{0, 0x0000, 0x010c},
    126	{0, 0x0006, 0x012c},
    127	{0, 0x0078, 0x012d},
    128	{0, 0x0046, 0x012f},
    129	{0, 0xd141, 0x0124},
    130	{0, 0x0000, 0x0127},
    131	{0, 0xfea8, 0x0124},
    132	{1, 0x0000, 0x0116},
    133	{0, 0x0064, 0x0116},
    134	{1, 0x0000, 0x0115},
    135	{0, 0x0003, 0x0115},
    136	{0, 0x0008, 0x0123},
    137	{0, 0x0000, 0x0117},
    138	{0, 0x0000, 0x0112},
    139	{0, 0x0080, 0x0100},
    140	{0, 0x0000, 0x0100},
    141	{1, 0x0000, 0x0116},
    142	{0, 0x0060, 0x0116},
    143	{0, 0x0002, 0x0112},
    144	{0, 0x0000, 0x0123},
    145	{0, 0x0001, 0x0117},
    146	{0, 0x0040, 0x0108},
    147	{0, 0x0019, 0x012c},
    148	{0, 0x0040, 0x0116},
    149	{0, 0x000a, 0x0115},
    150	{0, 0x000b, 0x0115},
    151	{0, 0x0078, 0x012d},
    152	{0, 0x0046, 0x012f},
    153	{0, 0xd141, 0x0124},
    154	{0, 0x0000, 0x0127},
    155	{0, 0xfea8, 0x0124},
    156	{0, 0x0064, 0x0116},
    157	{0, 0x0000, 0x0115},
    158	{0, 0x0001, 0x0115},
    159	{0, 0xffff, 0x0124},
    160	{0, 0xfff9, 0x0124},
    161	{0, 0x0086, 0x0127},
    162	{0, 0xfff8, 0x0124},
    163	{0, 0xfffd, 0x0124},
    164	{0, 0x00aa, 0x0127},
    165	{0, 0xfff8, 0x0124},
    166	{0, 0xfffd, 0x0124},
    167	{0, 0x0000, 0x0127},
    168	{0, 0xfff8, 0x0124},
    169	{0, 0xfffd, 0x0124},
    170	{0, 0xfffa, 0x0124},
    171	{0, 0xffff, 0x0124},
    172	{0, 0xfff9, 0x0124},
    173	{0, 0x0086, 0x0127},
    174	{0, 0xfff8, 0x0124},
    175	{0, 0xfffd, 0x0124},
    176	{0, 0x00f2, 0x0127},
    177	{0, 0xfff8, 0x0124},
    178	{0, 0xfffd, 0x0124},
    179	{0, 0x000f, 0x0127},
    180	{0, 0xfff8, 0x0124},
    181	{0, 0xfffd, 0x0124},
    182	{0, 0xfffa, 0x0124},
    183	{0, 0xffff, 0x0124},
    184	{0, 0xfff9, 0x0124},
    185	{0, 0x0086, 0x0127},
    186	{0, 0xfff8, 0x0124},
    187	{0, 0xfffd, 0x0124},
    188	{0, 0x00f8, 0x0127},
    189	{0, 0xfff8, 0x0124},
    190	{0, 0xfffd, 0x0124},
    191	{0, 0x00fc, 0x0127},
    192	{0, 0xfff8, 0x0124},
    193	{0, 0xfffd, 0x0124},
    194	{0, 0xfffa, 0x0124},
    195	{0, 0xffff, 0x0124},
    196	{0, 0xfff9, 0x0124},
    197	{0, 0x0086, 0x0127},
    198	{0, 0xfff8, 0x0124},
    199	{0, 0xfffd, 0x0124},
    200	{0, 0x00f9, 0x0127},
    201	{0, 0xfff8, 0x0124},
    202	{0, 0xfffd, 0x0124},
    203	{0, 0x003c, 0x0127},
    204	{0, 0xfff8, 0x0124},
    205	{0, 0xfffd, 0x0124},
    206	{0, 0xfffa, 0x0124},
    207	{0, 0xffff, 0x0124},
    208	{0, 0xfff9, 0x0124},
    209	{0, 0x0086, 0x0127},
    210	{0, 0xfff8, 0x0124},
    211	{0, 0xfffd, 0x0124},
    212	{0, 0x0027, 0x0127},
    213	{0, 0xfff8, 0x0124},
    214	{0, 0xfffd, 0x0124},
    215	{0, 0x0019, 0x0127},
    216	{0, 0xfff8, 0x0124},
    217	{0, 0xfffd, 0x0124},
    218	{0, 0xfffa, 0x0124},
    219	{0, 0xfff9, 0x0124},
    220	{0, 0x0086, 0x0127},
    221	{0, 0xfff8, 0x0124},
    222	{0, 0xfffd, 0x0124},
    223	{0, 0x0037, 0x0127},
    224	{0, 0xfff8, 0x0124},
    225	{0, 0xfffd, 0x0124},
    226	{0, 0x0000, 0x0127},
    227	{0, 0xfff8, 0x0124},
    228	{0, 0xfffd, 0x0124},
    229	{0, 0x0021, 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, 0x0038, 0x0127},
    238	{0, 0xfff8, 0x0124},
    239	{0, 0xfffd, 0x0124},
    240	{0, 0x0006, 0x0127},
    241	{0, 0xfff8, 0x0124},
    242	{0, 0xfffd, 0x0124},
    243	{0, 0x0045, 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, 0x0037, 0x0127},
    252	{0, 0xfff8, 0x0124},
    253	{0, 0xfffd, 0x0124},
    254	{0, 0x0001, 0x0127},
    255	{0, 0xfff8, 0x0124},
    256	{0, 0xfffd, 0x0124},
    257	{0, 0x002a, 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, 0x0038, 0x0127},
    266	{0, 0xfff8, 0x0124},
    267	{0, 0xfffd, 0x0124},
    268	{0, 0x0000, 0x0127},
    269	{0, 0xfff8, 0x0124},
    270	{0, 0xfffd, 0x0124},
    271	{0, 0x000e, 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, 0x0037, 0x0127},
    280	{0, 0xfff8, 0x0124},
    281	{0, 0xfffd, 0x0124},
    282	{0, 0x0001, 0x0127},
    283	{0, 0xfff8, 0x0124},
    284	{0, 0xfffd, 0x0124},
    285	{0, 0x002b, 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, 0x0038, 0x0127},
    294	{0, 0xfff8, 0x0124},
    295	{0, 0xfffd, 0x0124},
    296	{0, 0x0001, 0x0127},
    297	{0, 0xfff8, 0x0124},
    298	{0, 0xfffd, 0x0124},
    299	{0, 0x00f4, 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, 0x0037, 0x0127},
    308	{0, 0xfff8, 0x0124},
    309	{0, 0xfffd, 0x0124},
    310	{0, 0x0001, 0x0127},
    311	{0, 0xfff8, 0x0124},
    312	{0, 0xfffd, 0x0124},
    313	{0, 0x002c, 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, 0x0038, 0x0127},
    322	{0, 0xfff8, 0x0124},
    323	{0, 0xfffd, 0x0124},
    324	{0, 0x0001, 0x0127},
    325	{0, 0xfff8, 0x0124},
    326	{0, 0xfffd, 0x0124},
    327	{0, 0x0004, 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, 0x0037, 0x0127},
    336	{0, 0xfff8, 0x0124},
    337	{0, 0xfffd, 0x0124},
    338	{0, 0x0001, 0x0127},
    339	{0, 0xfff8, 0x0124},
    340	{0, 0xfffd, 0x0124},
    341	{0, 0x002d, 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, 0x0038, 0x0127},
    350	{0, 0xfff8, 0x0124},
    351	{0, 0xfffd, 0x0124},
    352	{0, 0x0000, 0x0127},
    353	{0, 0xfff8, 0x0124},
    354	{0, 0xfffd, 0x0124},
    355	{0, 0x0014, 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, 0x0037, 0x0127},
    364	{0, 0xfff8, 0x0124},
    365	{0, 0xfffd, 0x0124},
    366	{0, 0x0001, 0x0127},
    367	{0, 0xfff8, 0x0124},
    368	{0, 0xfffd, 0x0124},
    369	{0, 0x002e, 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, 0x0038, 0x0127},
    378	{0, 0xfff8, 0x0124},
    379	{0, 0xfffd, 0x0124},
    380	{0, 0x0003, 0x0127},
    381	{0, 0xfff8, 0x0124},
    382	{0, 0xfffd, 0x0124},
    383	{0, 0x0000, 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, 0x0037, 0x0127},
    392	{0, 0xfff8, 0x0124},
    393	{0, 0xfffd, 0x0124},
    394	{0, 0x0001, 0x0127},
    395	{0, 0xfff8, 0x0124},
    396	{0, 0xfffd, 0x0124},
    397	{0, 0x002f, 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, 0x0038, 0x0127},
    406	{0, 0xfff8, 0x0124},
    407	{0, 0xfffd, 0x0124},
    408	{0, 0x0003, 0x0127},
    409	{0, 0xfff8, 0x0124},
    410	{0, 0xfffd, 0x0124},
    411	{0, 0x0014, 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, 0x0037, 0x0127},
    420	{0, 0xfff8, 0x0124},
    421	{0, 0xfffd, 0x0124},
    422	{0, 0x0001, 0x0127},
    423	{0, 0xfff8, 0x0124},
    424	{0, 0xfffd, 0x0124},
    425	{0, 0x0040, 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, 0x0038, 0x0127},
    434	{0, 0xfff8, 0x0124},
    435	{0, 0xfffd, 0x0124},
    436	{0, 0x0000, 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, 0x0037, 0x0127},
    448	{0, 0xfff8, 0x0124},
    449	{0, 0xfffd, 0x0124},
    450	{0, 0x0001, 0x0127},
    451	{0, 0xfff8, 0x0124},
    452	{0, 0xfffd, 0x0124},
    453	{0, 0x0053, 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, 0x0038, 0x0127},
    462	{0, 0xfff8, 0x0124},
    463	{0, 0xfffd, 0x0124},
    464	{0, 0x0000, 0x0127},
    465	{0, 0xfff8, 0x0124},
    466	{0, 0xfffd, 0x0124},
    467	{0, 0x0038, 0x0127},
    468	{0, 0xfff8, 0x0124},
    469	{0, 0xfffd, 0x0124},
    470	{0, 0xfffa, 0x0124},
    471	{0, 0x0000, 0x0101},
    472	{0, 0x00a0, 0x0103},
    473	{0, 0x0078, 0x0105},
    474	{0, 0x0000, 0x010a},
    475	{0, 0x0024, 0x010b},
    476	{0, 0x0028, 0x0119},
    477	{0, 0x0088, 0x011b},
    478	{0, 0x0002, 0x011d},
    479	{0, 0x0003, 0x011e},
    480	{0, 0x0000, 0x0129},
    481	{0, 0x00fc, 0x012b},
    482	{0, 0x0008, 0x0102},
    483	{0, 0x0000, 0x0104},
    484	{0, 0x0008, 0x011a},
    485	{0, 0x0028, 0x011c},
    486	{0, 0x0021, 0x012a},
    487	{0, 0x0000, 0x0118},
    488	{0, 0x0000, 0x0132},
    489	{0, 0x0000, 0x0109},
    490	{0, 0xfff9, 0x0124},
    491	{0, 0x0086, 0x0127},
    492	{0, 0xfff8, 0x0124},
    493	{0, 0xfffd, 0x0124},
    494	{0, 0x0037, 0x0127},
    495	{0, 0xfff8, 0x0124},
    496	{0, 0xfffd, 0x0124},
    497	{0, 0x0001, 0x0127},
    498	{0, 0xfff8, 0x0124},
    499	{0, 0xfffd, 0x0124},
    500	{0, 0x0031, 0x0127},
    501	{0, 0xfff8, 0x0124},
    502	{0, 0xfffd, 0x0124},
    503	{0, 0xfffa, 0x0124},
    504	{0, 0xfff9, 0x0124},
    505	{0, 0x0086, 0x0127},
    506	{0, 0xfff8, 0x0124},
    507	{0, 0xfffd, 0x0124},
    508	{0, 0x0038, 0x0127},
    509	{0, 0xfff8, 0x0124},
    510	{0, 0xfffd, 0x0124},
    511	{0, 0x0000, 0x0127},
    512	{0, 0xfff8, 0x0124},
    513	{0, 0xfffd, 0x0124},
    514	{0, 0x0000, 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, 0x0037, 0x0127},
    523	{0, 0xfff8, 0x0124},
    524	{0, 0xfffd, 0x0124},
    525	{0, 0x0001, 0x0127},
    526	{0, 0xfff8, 0x0124},
    527	{0, 0xfffd, 0x0124},
    528	{0, 0x0040, 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, 0x0038, 0x0127},
    537	{0, 0xfff8, 0x0124},
    538	{0, 0xfffd, 0x0124},
    539	{0, 0x0000, 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, 0x0037, 0x0127},
    551	{0, 0xfff8, 0x0124},
    552	{0, 0xfffd, 0x0124},
    553	{0, 0x0000, 0x0127},
    554	{0, 0xfff8, 0x0124},
    555	{0, 0xfffd, 0x0124},
    556	{0, 0x00dc, 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, 0x0038, 0x0127},
    565	{0, 0xfff8, 0x0124},
    566	{0, 0xfffd, 0x0124},
    567	{0, 0x0000, 0x0127},
    568	{0, 0xfff8, 0x0124},
    569	{0, 0xfffd, 0x0124},
    570	{0, 0x0000, 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, 0x0037, 0x0127},
    579	{0, 0xfff8, 0x0124},
    580	{0, 0xfffd, 0x0124},
    581	{0, 0x0001, 0x0127},
    582	{0, 0xfff8, 0x0124},
    583	{0, 0xfffd, 0x0124},
    584	{0, 0x0032, 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, 0x0038, 0x0127},
    593	{0, 0xfff8, 0x0124},
    594	{0, 0xfffd, 0x0124},
    595	{0, 0x0001, 0x0127},
    596	{0, 0xfff8, 0x0124},
    597	{0, 0xfffd, 0x0124},
    598	{0, 0x0020, 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, 0x0037, 0x0127},
    607	{0, 0xfff8, 0x0124},
    608	{0, 0xfffd, 0x0124},
    609	{0, 0x0001, 0x0127},
    610	{0, 0xfff8, 0x0124},
    611	{0, 0xfffd, 0x0124},
    612	{0, 0x0040, 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, 0x0038, 0x0127},
    621	{0, 0xfff8, 0x0124},
    622	{0, 0xfffd, 0x0124},
    623	{0, 0x0000, 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, 0x0037, 0x0127},
    635	{0, 0xfff8, 0x0124},
    636	{0, 0xfffd, 0x0124},
    637	{0, 0x0000, 0x0127},
    638	{0, 0xfff8, 0x0124},
    639	{0, 0xfffd, 0x0124},
    640	{0, 0x0030, 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, 0x0038, 0x0127},
    649	{0, 0xfff8, 0x0124},
    650	{0, 0xfffd, 0x0124},
    651	{0, 0x0008, 0x0127},
    652	{0, 0xfff8, 0x0124},
    653	{0, 0xfffd, 0x0124},
    654	{0, 0x0000, 0x0127},
    655	{0, 0xfff8, 0x0124},
    656	{0, 0xfffd, 0x0124},
    657	{0, 0xfffa, 0x0124},
    658	{0, 0x0003, 0x0111},
    659};
    660
    661/* TESTME the old ibmcam driver repeats certain commands to Model1 cameras, we
    662   do the same for now (testing needed to see if this is really necessary) */
    663static const int cit_model1_ntries = 5;
    664static const int cit_model1_ntries2 = 2;
    665
    666static int cit_write_reg(struct gspca_dev *gspca_dev, u16 value, u16 index)
    667{
    668	struct usb_device *udev = gspca_dev->dev;
    669	int err;
    670
    671	err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x00,
    672			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT,
    673			value, index, NULL, 0, 1000);
    674	if (err < 0)
    675		pr_err("Failed to write a register (index 0x%04X, value 0x%02X, error %d)\n",
    676		       index, value, err);
    677
    678	return 0;
    679}
    680
    681static int cit_read_reg(struct gspca_dev *gspca_dev, u16 index, int verbose)
    682{
    683	struct usb_device *udev = gspca_dev->dev;
    684	__u8 *buf = gspca_dev->usb_buf;
    685	int res;
    686
    687	res = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x01,
    688			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT,
    689			0x00, index, buf, 8, 1000);
    690	if (res < 0) {
    691		pr_err("Failed to read a register (index 0x%04X, error %d)\n",
    692		       index, res);
    693		return res;
    694	}
    695
    696	if (verbose)
    697		gspca_dbg(gspca_dev, D_PROBE, "Register %04x value: %02x\n",
    698			  index, buf[0]);
    699
    700	return 0;
    701}
    702
    703/*
    704 * cit_send_FF_04_02()
    705 *
    706 * This procedure sends magic 3-command prefix to the camera.
    707 * The purpose of this prefix is not known.
    708 *
    709 * History:
    710 * 1/2/00   Created.
    711 */
    712static void cit_send_FF_04_02(struct gspca_dev *gspca_dev)
    713{
    714	cit_write_reg(gspca_dev, 0x00FF, 0x0127);
    715	cit_write_reg(gspca_dev, 0x0004, 0x0124);
    716	cit_write_reg(gspca_dev, 0x0002, 0x0124);
    717}
    718
    719static void cit_send_00_04_06(struct gspca_dev *gspca_dev)
    720{
    721	cit_write_reg(gspca_dev, 0x0000, 0x0127);
    722	cit_write_reg(gspca_dev, 0x0004, 0x0124);
    723	cit_write_reg(gspca_dev, 0x0006, 0x0124);
    724}
    725
    726static void cit_send_x_00(struct gspca_dev *gspca_dev, unsigned short x)
    727{
    728	cit_write_reg(gspca_dev, x,      0x0127);
    729	cit_write_reg(gspca_dev, 0x0000, 0x0124);
    730}
    731
    732static void cit_send_x_00_05(struct gspca_dev *gspca_dev, unsigned short x)
    733{
    734	cit_send_x_00(gspca_dev, x);
    735	cit_write_reg(gspca_dev, 0x0005, 0x0124);
    736}
    737
    738static void cit_send_x_00_05_02(struct gspca_dev *gspca_dev, unsigned short x)
    739{
    740	cit_write_reg(gspca_dev, x,      0x0127);
    741	cit_write_reg(gspca_dev, 0x0000, 0x0124);
    742	cit_write_reg(gspca_dev, 0x0005, 0x0124);
    743	cit_write_reg(gspca_dev, 0x0002, 0x0124);
    744}
    745
    746static void cit_send_x_01_00_05(struct gspca_dev *gspca_dev, u16 x)
    747{
    748	cit_write_reg(gspca_dev, x,      0x0127);
    749	cit_write_reg(gspca_dev, 0x0001, 0x0124);
    750	cit_write_reg(gspca_dev, 0x0000, 0x0124);
    751	cit_write_reg(gspca_dev, 0x0005, 0x0124);
    752}
    753
    754static void cit_send_x_00_05_02_01(struct gspca_dev *gspca_dev, u16 x)
    755{
    756	cit_write_reg(gspca_dev, x,      0x0127);
    757	cit_write_reg(gspca_dev, 0x0000, 0x0124);
    758	cit_write_reg(gspca_dev, 0x0005, 0x0124);
    759	cit_write_reg(gspca_dev, 0x0002, 0x0124);
    760	cit_write_reg(gspca_dev, 0x0001, 0x0124);
    761}
    762
    763static void cit_send_x_00_05_02_08_01(struct gspca_dev *gspca_dev, u16 x)
    764{
    765	cit_write_reg(gspca_dev, x,      0x0127);
    766	cit_write_reg(gspca_dev, 0x0000, 0x0124);
    767	cit_write_reg(gspca_dev, 0x0005, 0x0124);
    768	cit_write_reg(gspca_dev, 0x0002, 0x0124);
    769	cit_write_reg(gspca_dev, 0x0008, 0x0124);
    770	cit_write_reg(gspca_dev, 0x0001, 0x0124);
    771}
    772
    773static void cit_Packet_Format1(struct gspca_dev *gspca_dev, u16 fkey, u16 val)
    774{
    775	cit_send_x_01_00_05(gspca_dev, 0x0088);
    776	cit_send_x_00_05(gspca_dev, fkey);
    777	cit_send_x_00_05_02_08_01(gspca_dev, val);
    778	cit_send_x_00_05(gspca_dev, 0x0088);
    779	cit_send_x_00_05_02_01(gspca_dev, fkey);
    780	cit_send_x_00_05(gspca_dev, 0x0089);
    781	cit_send_x_00(gspca_dev, fkey);
    782	cit_send_00_04_06(gspca_dev);
    783	cit_read_reg(gspca_dev, 0x0126, 0);
    784	cit_send_FF_04_02(gspca_dev);
    785}
    786
    787static void cit_PacketFormat2(struct gspca_dev *gspca_dev, u16 fkey, u16 val)
    788{
    789	cit_send_x_01_00_05(gspca_dev, 0x0088);
    790	cit_send_x_00_05(gspca_dev, fkey);
    791	cit_send_x_00_05_02(gspca_dev, val);
    792}
    793
    794static void cit_model2_Packet2(struct gspca_dev *gspca_dev)
    795{
    796	cit_write_reg(gspca_dev, 0x00ff, 0x012d);
    797	cit_write_reg(gspca_dev, 0xfea3, 0x0124);
    798}
    799
    800static void cit_model2_Packet1(struct gspca_dev *gspca_dev, u16 v1, u16 v2)
    801{
    802	cit_write_reg(gspca_dev, 0x00aa, 0x012d);
    803	cit_write_reg(gspca_dev, 0x00ff, 0x012e);
    804	cit_write_reg(gspca_dev, v1,     0x012f);
    805	cit_write_reg(gspca_dev, 0x00ff, 0x0130);
    806	cit_write_reg(gspca_dev, 0xc719, 0x0124);
    807	cit_write_reg(gspca_dev, v2,     0x0127);
    808
    809	cit_model2_Packet2(gspca_dev);
    810}
    811
    812/*
    813 * cit_model3_Packet1()
    814 *
    815 * 00_0078_012d
    816 * 00_0097_012f
    817 * 00_d141_0124
    818 * 00_0096_0127
    819 * 00_fea8_0124
    820*/
    821static void cit_model3_Packet1(struct gspca_dev *gspca_dev, u16 v1, u16 v2)
    822{
    823	cit_write_reg(gspca_dev, 0x0078, 0x012d);
    824	cit_write_reg(gspca_dev, v1,     0x012f);
    825	cit_write_reg(gspca_dev, 0xd141, 0x0124);
    826	cit_write_reg(gspca_dev, v2,     0x0127);
    827	cit_write_reg(gspca_dev, 0xfea8, 0x0124);
    828}
    829
    830static void cit_model4_Packet1(struct gspca_dev *gspca_dev, u16 v1, u16 v2)
    831{
    832	cit_write_reg(gspca_dev, 0x00aa, 0x012d);
    833	cit_write_reg(gspca_dev, v1,     0x012f);
    834	cit_write_reg(gspca_dev, 0xd141, 0x0124);
    835	cit_write_reg(gspca_dev, v2,     0x0127);
    836	cit_write_reg(gspca_dev, 0xfea8, 0x0124);
    837}
    838
    839static void cit_model4_BrightnessPacket(struct gspca_dev *gspca_dev, u16 val)
    840{
    841	cit_write_reg(gspca_dev, 0x00aa, 0x012d);
    842	cit_write_reg(gspca_dev, 0x0026, 0x012f);
    843	cit_write_reg(gspca_dev, 0xd141, 0x0124);
    844	cit_write_reg(gspca_dev, val,    0x0127);
    845	cit_write_reg(gspca_dev, 0x00aa, 0x0130);
    846	cit_write_reg(gspca_dev, 0x82a8, 0x0124);
    847	cit_write_reg(gspca_dev, 0x0038, 0x012d);
    848	cit_write_reg(gspca_dev, 0x0004, 0x012f);
    849	cit_write_reg(gspca_dev, 0xd145, 0x0124);
    850	cit_write_reg(gspca_dev, 0xfffa, 0x0124);
    851}
    852
    853/* this function is called at probe time */
    854static int sd_config(struct gspca_dev *gspca_dev,
    855		     const struct usb_device_id *id)
    856{
    857	struct sd *sd = (struct sd *) gspca_dev;
    858	struct cam *cam;
    859
    860	sd->model = id->driver_info;
    861	if (sd->model == CIT_MODEL3 && ibm_netcam_pro)
    862		sd->model = CIT_IBM_NETCAM_PRO;
    863
    864	cam = &gspca_dev->cam;
    865	switch (sd->model) {
    866	case CIT_MODEL0:
    867		cam->cam_mode = model0_mode;
    868		cam->nmodes = ARRAY_SIZE(model0_mode);
    869		sd->sof_len = 4;
    870		break;
    871	case CIT_MODEL1:
    872		cam->cam_mode = cif_yuv_mode;
    873		cam->nmodes = ARRAY_SIZE(cif_yuv_mode);
    874		sd->sof_len = 4;
    875		break;
    876	case CIT_MODEL2:
    877		cam->cam_mode = model2_mode + 1; /* no 160x120 */
    878		cam->nmodes = 3;
    879		break;
    880	case CIT_MODEL3:
    881		cam->cam_mode = vga_yuv_mode;
    882		cam->nmodes = ARRAY_SIZE(vga_yuv_mode);
    883		sd->stop_on_control_change = 1;
    884		sd->sof_len = 4;
    885		break;
    886	case CIT_MODEL4:
    887		cam->cam_mode = model2_mode;
    888		cam->nmodes = ARRAY_SIZE(model2_mode);
    889		break;
    890	case CIT_IBM_NETCAM_PRO:
    891		cam->cam_mode = vga_yuv_mode;
    892		cam->nmodes = 2; /* no 640 x 480 */
    893		cam->input_flags = V4L2_IN_ST_VFLIP;
    894		sd->stop_on_control_change = 1;
    895		sd->sof_len = 4;
    896		break;
    897	}
    898
    899	return 0;
    900}
    901
    902static int cit_init_model0(struct gspca_dev *gspca_dev)
    903{
    904	cit_write_reg(gspca_dev, 0x0000, 0x0100); /* turn on led */
    905	cit_write_reg(gspca_dev, 0x0001, 0x0112); /* turn on autogain ? */
    906	cit_write_reg(gspca_dev, 0x0000, 0x0400);
    907	cit_write_reg(gspca_dev, 0x0001, 0x0400);
    908	cit_write_reg(gspca_dev, 0x0000, 0x0420);
    909	cit_write_reg(gspca_dev, 0x0001, 0x0420);
    910	cit_write_reg(gspca_dev, 0x000d, 0x0409);
    911	cit_write_reg(gspca_dev, 0x0002, 0x040a);
    912	cit_write_reg(gspca_dev, 0x0018, 0x0405);
    913	cit_write_reg(gspca_dev, 0x0008, 0x0435);
    914	cit_write_reg(gspca_dev, 0x0026, 0x040b);
    915	cit_write_reg(gspca_dev, 0x0007, 0x0437);
    916	cit_write_reg(gspca_dev, 0x0015, 0x042f);
    917	cit_write_reg(gspca_dev, 0x002b, 0x0439);
    918	cit_write_reg(gspca_dev, 0x0026, 0x043a);
    919	cit_write_reg(gspca_dev, 0x0008, 0x0438);
    920	cit_write_reg(gspca_dev, 0x001e, 0x042b);
    921	cit_write_reg(gspca_dev, 0x0041, 0x042c);
    922
    923	return 0;
    924}
    925
    926static int cit_init_ibm_netcam_pro(struct gspca_dev *gspca_dev)
    927{
    928	cit_read_reg(gspca_dev, 0x128, 1);
    929	cit_write_reg(gspca_dev, 0x0003, 0x0133);
    930	cit_write_reg(gspca_dev, 0x0000, 0x0117);
    931	cit_write_reg(gspca_dev, 0x0008, 0x0123);
    932	cit_write_reg(gspca_dev, 0x0000, 0x0100);
    933	cit_read_reg(gspca_dev, 0x0116, 0);
    934	cit_write_reg(gspca_dev, 0x0060, 0x0116);
    935	cit_write_reg(gspca_dev, 0x0002, 0x0112);
    936	cit_write_reg(gspca_dev, 0x0000, 0x0133);
    937	cit_write_reg(gspca_dev, 0x0000, 0x0123);
    938	cit_write_reg(gspca_dev, 0x0001, 0x0117);
    939	cit_write_reg(gspca_dev, 0x0040, 0x0108);
    940	cit_write_reg(gspca_dev, 0x0019, 0x012c);
    941	cit_write_reg(gspca_dev, 0x0060, 0x0116);
    942	cit_write_reg(gspca_dev, 0x0002, 0x0115);
    943	cit_write_reg(gspca_dev, 0x000b, 0x0115);
    944
    945	cit_write_reg(gspca_dev, 0x0078, 0x012d);
    946	cit_write_reg(gspca_dev, 0x0001, 0x012f);
    947	cit_write_reg(gspca_dev, 0xd141, 0x0124);
    948	cit_write_reg(gspca_dev, 0x0079, 0x012d);
    949	cit_write_reg(gspca_dev, 0x00ff, 0x0130);
    950	cit_write_reg(gspca_dev, 0xcd41, 0x0124);
    951	cit_write_reg(gspca_dev, 0xfffa, 0x0124);
    952	cit_read_reg(gspca_dev, 0x0126, 1);
    953
    954	cit_model3_Packet1(gspca_dev, 0x0000, 0x0000);
    955	cit_model3_Packet1(gspca_dev, 0x0000, 0x0001);
    956	cit_model3_Packet1(gspca_dev, 0x000b, 0x0000);
    957	cit_model3_Packet1(gspca_dev, 0x000c, 0x0008);
    958	cit_model3_Packet1(gspca_dev, 0x000d, 0x003a);
    959	cit_model3_Packet1(gspca_dev, 0x000e, 0x0060);
    960	cit_model3_Packet1(gspca_dev, 0x000f, 0x0060);
    961	cit_model3_Packet1(gspca_dev, 0x0010, 0x0008);
    962	cit_model3_Packet1(gspca_dev, 0x0011, 0x0004);
    963	cit_model3_Packet1(gspca_dev, 0x0012, 0x0028);
    964	cit_model3_Packet1(gspca_dev, 0x0013, 0x0002);
    965	cit_model3_Packet1(gspca_dev, 0x0014, 0x0000);
    966	cit_model3_Packet1(gspca_dev, 0x0015, 0x00fb);
    967	cit_model3_Packet1(gspca_dev, 0x0016, 0x0002);
    968	cit_model3_Packet1(gspca_dev, 0x0017, 0x0037);
    969	cit_model3_Packet1(gspca_dev, 0x0018, 0x0036);
    970	cit_model3_Packet1(gspca_dev, 0x001e, 0x0000);
    971	cit_model3_Packet1(gspca_dev, 0x001f, 0x0008);
    972	cit_model3_Packet1(gspca_dev, 0x0020, 0x00c1);
    973	cit_model3_Packet1(gspca_dev, 0x0021, 0x0034);
    974	cit_model3_Packet1(gspca_dev, 0x0022, 0x0034);
    975	cit_model3_Packet1(gspca_dev, 0x0025, 0x0002);
    976	cit_model3_Packet1(gspca_dev, 0x0028, 0x0022);
    977	cit_model3_Packet1(gspca_dev, 0x0029, 0x000a);
    978	cit_model3_Packet1(gspca_dev, 0x002b, 0x0000);
    979	cit_model3_Packet1(gspca_dev, 0x002c, 0x0000);
    980	cit_model3_Packet1(gspca_dev, 0x002d, 0x00ff);
    981	cit_model3_Packet1(gspca_dev, 0x002e, 0x00ff);
    982	cit_model3_Packet1(gspca_dev, 0x002f, 0x00ff);
    983	cit_model3_Packet1(gspca_dev, 0x0030, 0x00ff);
    984	cit_model3_Packet1(gspca_dev, 0x0031, 0x00ff);
    985	cit_model3_Packet1(gspca_dev, 0x0032, 0x0007);
    986	cit_model3_Packet1(gspca_dev, 0x0033, 0x0005);
    987	cit_model3_Packet1(gspca_dev, 0x0037, 0x0040);
    988	cit_model3_Packet1(gspca_dev, 0x0039, 0x0000);
    989	cit_model3_Packet1(gspca_dev, 0x003a, 0x0000);
    990	cit_model3_Packet1(gspca_dev, 0x003b, 0x0001);
    991	cit_model3_Packet1(gspca_dev, 0x003c, 0x0000);
    992	cit_model3_Packet1(gspca_dev, 0x0040, 0x000c);
    993	cit_model3_Packet1(gspca_dev, 0x0041, 0x00fb);
    994	cit_model3_Packet1(gspca_dev, 0x0042, 0x0002);
    995	cit_model3_Packet1(gspca_dev, 0x0043, 0x0000);
    996	cit_model3_Packet1(gspca_dev, 0x0045, 0x0000);
    997	cit_model3_Packet1(gspca_dev, 0x0046, 0x0000);
    998	cit_model3_Packet1(gspca_dev, 0x0047, 0x0000);
    999	cit_model3_Packet1(gspca_dev, 0x0048, 0x0000);
   1000	cit_model3_Packet1(gspca_dev, 0x0049, 0x0000);
   1001	cit_model3_Packet1(gspca_dev, 0x004a, 0x00ff);
   1002	cit_model3_Packet1(gspca_dev, 0x004b, 0x00ff);
   1003	cit_model3_Packet1(gspca_dev, 0x004c, 0x00ff);
   1004	cit_model3_Packet1(gspca_dev, 0x004f, 0x0000);
   1005	cit_model3_Packet1(gspca_dev, 0x0050, 0x0000);
   1006	cit_model3_Packet1(gspca_dev, 0x0051, 0x0002);
   1007	cit_model3_Packet1(gspca_dev, 0x0055, 0x0000);
   1008	cit_model3_Packet1(gspca_dev, 0x0056, 0x0000);
   1009	cit_model3_Packet1(gspca_dev, 0x0057, 0x0000);
   1010	cit_model3_Packet1(gspca_dev, 0x0058, 0x0002);
   1011	cit_model3_Packet1(gspca_dev, 0x0059, 0x0000);
   1012	cit_model3_Packet1(gspca_dev, 0x005c, 0x0016);
   1013	cit_model3_Packet1(gspca_dev, 0x005d, 0x0022);
   1014	cit_model3_Packet1(gspca_dev, 0x005e, 0x003c);
   1015	cit_model3_Packet1(gspca_dev, 0x005f, 0x0050);
   1016	cit_model3_Packet1(gspca_dev, 0x0060, 0x0044);
   1017	cit_model3_Packet1(gspca_dev, 0x0061, 0x0005);
   1018	cit_model3_Packet1(gspca_dev, 0x006a, 0x007e);
   1019	cit_model3_Packet1(gspca_dev, 0x006f, 0x0000);
   1020	cit_model3_Packet1(gspca_dev, 0x0072, 0x001b);
   1021	cit_model3_Packet1(gspca_dev, 0x0073, 0x0005);
   1022	cit_model3_Packet1(gspca_dev, 0x0074, 0x000a);
   1023	cit_model3_Packet1(gspca_dev, 0x0075, 0x001b);
   1024	cit_model3_Packet1(gspca_dev, 0x0076, 0x002a);
   1025	cit_model3_Packet1(gspca_dev, 0x0077, 0x003c);
   1026	cit_model3_Packet1(gspca_dev, 0x0078, 0x0050);
   1027	cit_model3_Packet1(gspca_dev, 0x007b, 0x0000);
   1028	cit_model3_Packet1(gspca_dev, 0x007c, 0x0011);
   1029	cit_model3_Packet1(gspca_dev, 0x007d, 0x0024);
   1030	cit_model3_Packet1(gspca_dev, 0x007e, 0x0043);
   1031	cit_model3_Packet1(gspca_dev, 0x007f, 0x005a);
   1032	cit_model3_Packet1(gspca_dev, 0x0084, 0x0020);
   1033	cit_model3_Packet1(gspca_dev, 0x0085, 0x0033);
   1034	cit_model3_Packet1(gspca_dev, 0x0086, 0x000a);
   1035	cit_model3_Packet1(gspca_dev, 0x0087, 0x0030);
   1036	cit_model3_Packet1(gspca_dev, 0x0088, 0x0070);
   1037	cit_model3_Packet1(gspca_dev, 0x008b, 0x0008);
   1038	cit_model3_Packet1(gspca_dev, 0x008f, 0x0000);
   1039	cit_model3_Packet1(gspca_dev, 0x0090, 0x0006);
   1040	cit_model3_Packet1(gspca_dev, 0x0091, 0x0028);
   1041	cit_model3_Packet1(gspca_dev, 0x0092, 0x005a);
   1042	cit_model3_Packet1(gspca_dev, 0x0093, 0x0082);
   1043	cit_model3_Packet1(gspca_dev, 0x0096, 0x0014);
   1044	cit_model3_Packet1(gspca_dev, 0x0097, 0x0020);
   1045	cit_model3_Packet1(gspca_dev, 0x0098, 0x0000);
   1046	cit_model3_Packet1(gspca_dev, 0x00b0, 0x0046);
   1047	cit_model3_Packet1(gspca_dev, 0x00b1, 0x0000);
   1048	cit_model3_Packet1(gspca_dev, 0x00b2, 0x0000);
   1049	cit_model3_Packet1(gspca_dev, 0x00b3, 0x0004);
   1050	cit_model3_Packet1(gspca_dev, 0x00b4, 0x0007);
   1051	cit_model3_Packet1(gspca_dev, 0x00b6, 0x0002);
   1052	cit_model3_Packet1(gspca_dev, 0x00b7, 0x0004);
   1053	cit_model3_Packet1(gspca_dev, 0x00bb, 0x0000);
   1054	cit_model3_Packet1(gspca_dev, 0x00bc, 0x0001);
   1055	cit_model3_Packet1(gspca_dev, 0x00bd, 0x0000);
   1056	cit_model3_Packet1(gspca_dev, 0x00bf, 0x0000);
   1057	cit_model3_Packet1(gspca_dev, 0x00c0, 0x00c8);
   1058	cit_model3_Packet1(gspca_dev, 0x00c1, 0x0014);
   1059	cit_model3_Packet1(gspca_dev, 0x00c2, 0x0001);
   1060	cit_model3_Packet1(gspca_dev, 0x00c3, 0x0000);
   1061	cit_model3_Packet1(gspca_dev, 0x00c4, 0x0004);
   1062	cit_model3_Packet1(gspca_dev, 0x00cb, 0x00bf);
   1063	cit_model3_Packet1(gspca_dev, 0x00cc, 0x00bf);
   1064	cit_model3_Packet1(gspca_dev, 0x00cd, 0x00bf);
   1065	cit_model3_Packet1(gspca_dev, 0x00ce, 0x0000);
   1066	cit_model3_Packet1(gspca_dev, 0x00cf, 0x0020);
   1067	cit_model3_Packet1(gspca_dev, 0x00d0, 0x0040);
   1068	cit_model3_Packet1(gspca_dev, 0x00d1, 0x00bf);
   1069	cit_model3_Packet1(gspca_dev, 0x00d1, 0x00bf);
   1070	cit_model3_Packet1(gspca_dev, 0x00d2, 0x00bf);
   1071	cit_model3_Packet1(gspca_dev, 0x00d3, 0x00bf);
   1072	cit_model3_Packet1(gspca_dev, 0x00ea, 0x0008);
   1073	cit_model3_Packet1(gspca_dev, 0x00eb, 0x0000);
   1074	cit_model3_Packet1(gspca_dev, 0x00ec, 0x00e8);
   1075	cit_model3_Packet1(gspca_dev, 0x00ed, 0x0001);
   1076	cit_model3_Packet1(gspca_dev, 0x00ef, 0x0022);
   1077	cit_model3_Packet1(gspca_dev, 0x00f0, 0x0000);
   1078	cit_model3_Packet1(gspca_dev, 0x00f2, 0x0028);
   1079	cit_model3_Packet1(gspca_dev, 0x00f4, 0x0002);
   1080	cit_model3_Packet1(gspca_dev, 0x00f5, 0x0000);
   1081	cit_model3_Packet1(gspca_dev, 0x00fa, 0x0000);
   1082	cit_model3_Packet1(gspca_dev, 0x00fb, 0x0001);
   1083	cit_model3_Packet1(gspca_dev, 0x00fc, 0x0000);
   1084	cit_model3_Packet1(gspca_dev, 0x00fd, 0x0000);
   1085	cit_model3_Packet1(gspca_dev, 0x00fe, 0x0000);
   1086	cit_model3_Packet1(gspca_dev, 0x00ff, 0x0000);
   1087
   1088	cit_model3_Packet1(gspca_dev, 0x00be, 0x0003);
   1089	cit_model3_Packet1(gspca_dev, 0x00c8, 0x0000);
   1090	cit_model3_Packet1(gspca_dev, 0x00c9, 0x0020);
   1091	cit_model3_Packet1(gspca_dev, 0x00ca, 0x0040);
   1092	cit_model3_Packet1(gspca_dev, 0x0053, 0x0001);
   1093	cit_model3_Packet1(gspca_dev, 0x0082, 0x000e);
   1094	cit_model3_Packet1(gspca_dev, 0x0083, 0x0020);
   1095	cit_model3_Packet1(gspca_dev, 0x0034, 0x003c);
   1096	cit_model3_Packet1(gspca_dev, 0x006e, 0x0055);
   1097	cit_model3_Packet1(gspca_dev, 0x0062, 0x0005);
   1098	cit_model3_Packet1(gspca_dev, 0x0063, 0x0008);
   1099	cit_model3_Packet1(gspca_dev, 0x0066, 0x000a);
   1100	cit_model3_Packet1(gspca_dev, 0x0067, 0x0006);
   1101	cit_model3_Packet1(gspca_dev, 0x006b, 0x0010);
   1102	cit_model3_Packet1(gspca_dev, 0x005a, 0x0001);
   1103	cit_model3_Packet1(gspca_dev, 0x005b, 0x000a);
   1104	cit_model3_Packet1(gspca_dev, 0x0023, 0x0006);
   1105	cit_model3_Packet1(gspca_dev, 0x0026, 0x0004);
   1106	cit_model3_Packet1(gspca_dev, 0x0036, 0x0069);
   1107	cit_model3_Packet1(gspca_dev, 0x0038, 0x0064);
   1108	cit_model3_Packet1(gspca_dev, 0x003d, 0x0003);
   1109	cit_model3_Packet1(gspca_dev, 0x003e, 0x0001);
   1110	cit_model3_Packet1(gspca_dev, 0x00b8, 0x0014);
   1111	cit_model3_Packet1(gspca_dev, 0x00b9, 0x0014);
   1112	cit_model3_Packet1(gspca_dev, 0x00e6, 0x0004);
   1113	cit_model3_Packet1(gspca_dev, 0x00e8, 0x0001);
   1114
   1115	return 0;
   1116}
   1117
   1118/* this function is called at probe and resume time */
   1119static int sd_init(struct gspca_dev *gspca_dev)
   1120{
   1121	struct sd *sd = (struct sd *) gspca_dev;
   1122
   1123	switch (sd->model) {
   1124	case CIT_MODEL0:
   1125		cit_init_model0(gspca_dev);
   1126		sd_stop0(gspca_dev);
   1127		break;
   1128	case CIT_MODEL1:
   1129	case CIT_MODEL2:
   1130	case CIT_MODEL3:
   1131	case CIT_MODEL4:
   1132		break; /* All is done in sd_start */
   1133	case CIT_IBM_NETCAM_PRO:
   1134		cit_init_ibm_netcam_pro(gspca_dev);
   1135		sd_stop0(gspca_dev);
   1136		break;
   1137	}
   1138	return 0;
   1139}
   1140
   1141static int cit_set_brightness(struct gspca_dev *gspca_dev, s32 val)
   1142{
   1143	struct sd *sd = (struct sd *) gspca_dev;
   1144	int i;
   1145
   1146	switch (sd->model) {
   1147	case CIT_MODEL0:
   1148	case CIT_IBM_NETCAM_PRO:
   1149		/* No (known) brightness control for these */
   1150		break;
   1151	case CIT_MODEL1:
   1152		/* Model 1: Brightness range 0 - 63 */
   1153		cit_Packet_Format1(gspca_dev, 0x0031, val);
   1154		cit_Packet_Format1(gspca_dev, 0x0032, val);
   1155		cit_Packet_Format1(gspca_dev, 0x0033, val);
   1156		break;
   1157	case CIT_MODEL2:
   1158		/* Model 2: Brightness range 0x60 - 0xee */
   1159		/* Scale 0 - 63 to 0x60 - 0xee */
   1160		i = 0x60 + val * 2254 / 1000;
   1161		cit_model2_Packet1(gspca_dev, 0x001a, i);
   1162		break;
   1163	case CIT_MODEL3:
   1164		/* Model 3: Brightness range 'i' in [0x0C..0x3F] */
   1165		i = val;
   1166		if (i < 0x0c)
   1167			i = 0x0c;
   1168		cit_model3_Packet1(gspca_dev, 0x0036, i);
   1169		break;
   1170	case CIT_MODEL4:
   1171		/* Model 4: Brightness range 'i' in [0x04..0xb4] */
   1172		/* Scale 0 - 63 to 0x04 - 0xb4 */
   1173		i = 0x04 + val * 2794 / 1000;
   1174		cit_model4_BrightnessPacket(gspca_dev, i);
   1175		break;
   1176	}
   1177
   1178	return 0;
   1179}
   1180
   1181static int cit_set_contrast(struct gspca_dev *gspca_dev, s32 val)
   1182{
   1183	struct sd *sd = (struct sd *) gspca_dev;
   1184
   1185	switch (sd->model) {
   1186	case CIT_MODEL0: {
   1187		int i;
   1188		/* gain 0-15, 0-20 -> 0-15 */
   1189		i = val * 1000 / 1333;
   1190		cit_write_reg(gspca_dev, i, 0x0422);
   1191		/* gain 0-31, may not be lower then 0x0422, 0-20 -> 0-31 */
   1192		i = val * 2000 / 1333;
   1193		cit_write_reg(gspca_dev, i, 0x0423);
   1194		/* gain 0-127, may not be lower then 0x0423, 0-20 -> 0-63  */
   1195		i = val * 4000 / 1333;
   1196		cit_write_reg(gspca_dev, i, 0x0424);
   1197		/* gain 0-127, may not be lower then 0x0424, , 0-20 -> 0-127 */
   1198		i = val * 8000 / 1333;
   1199		cit_write_reg(gspca_dev, i, 0x0425);
   1200		break;
   1201	}
   1202	case CIT_MODEL2:
   1203	case CIT_MODEL4:
   1204		/* These models do not have this control. */
   1205		break;
   1206	case CIT_MODEL1:
   1207	{
   1208		/* Scale 0 - 20 to 15 - 0 */
   1209		int i, new_contrast = (20 - val) * 1000 / 1333;
   1210		for (i = 0; i < cit_model1_ntries; i++) {
   1211			cit_Packet_Format1(gspca_dev, 0x0014, new_contrast);
   1212			cit_send_FF_04_02(gspca_dev);
   1213		}
   1214		break;
   1215	}
   1216	case CIT_MODEL3:
   1217	{	/* Preset hardware values */
   1218		static const struct {
   1219			unsigned short cv1;
   1220			unsigned short cv2;
   1221			unsigned short cv3;
   1222		} cv[7] = {
   1223			{ 0x05, 0x05, 0x0f },	/* Minimum */
   1224			{ 0x04, 0x04, 0x16 },
   1225			{ 0x02, 0x03, 0x16 },
   1226			{ 0x02, 0x08, 0x16 },
   1227			{ 0x01, 0x0c, 0x16 },
   1228			{ 0x01, 0x0e, 0x16 },
   1229			{ 0x01, 0x10, 0x16 }	/* Maximum */
   1230		};
   1231		int i = val / 3;
   1232		cit_model3_Packet1(gspca_dev, 0x0067, cv[i].cv1);
   1233		cit_model3_Packet1(gspca_dev, 0x005b, cv[i].cv2);
   1234		cit_model3_Packet1(gspca_dev, 0x005c, cv[i].cv3);
   1235		break;
   1236	}
   1237	case CIT_IBM_NETCAM_PRO:
   1238		cit_model3_Packet1(gspca_dev, 0x005b, val + 1);
   1239		break;
   1240	}
   1241	return 0;
   1242}
   1243
   1244static int cit_set_hue(struct gspca_dev *gspca_dev, s32 val)
   1245{
   1246	struct sd *sd = (struct sd *) gspca_dev;
   1247
   1248	switch (sd->model) {
   1249	case CIT_MODEL0:
   1250	case CIT_MODEL1:
   1251	case CIT_IBM_NETCAM_PRO:
   1252		/* No hue control for these models */
   1253		break;
   1254	case CIT_MODEL2:
   1255		cit_model2_Packet1(gspca_dev, 0x0024, val);
   1256		/* cit_model2_Packet1(gspca_dev, 0x0020, sat); */
   1257		break;
   1258	case CIT_MODEL3: {
   1259		/* Model 3: Brightness range 'i' in [0x05..0x37] */
   1260		/* TESTME according to the ibmcam driver this does not work */
   1261		if (0) {
   1262			/* Scale 0 - 127 to 0x05 - 0x37 */
   1263			int i = 0x05 + val * 1000 / 2540;
   1264			cit_model3_Packet1(gspca_dev, 0x007e, i);
   1265		}
   1266		break;
   1267	}
   1268	case CIT_MODEL4:
   1269		/* HDG: taken from ibmcam, setting the color gains does not
   1270		 * really belong here.
   1271		 *
   1272		 * I am not sure r/g/b_gain variables exactly control gain
   1273		 * of those channels. Most likely they subtly change some
   1274		 * very internal image processing settings in the camera.
   1275		 * In any case, here is what they do, and feel free to tweak:
   1276		 *
   1277		 * r_gain: seriously affects red gain
   1278		 * g_gain: seriously affects green gain
   1279		 * b_gain: seriously affects blue gain
   1280		 * hue: changes average color from violet (0) to red (0xFF)
   1281		 */
   1282		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
   1283		cit_write_reg(gspca_dev, 0x001e, 0x012f);
   1284		cit_write_reg(gspca_dev, 0xd141, 0x0124);
   1285		cit_write_reg(gspca_dev,    160, 0x0127);  /* Green gain */
   1286		cit_write_reg(gspca_dev,    160, 0x012e);  /* Red gain */
   1287		cit_write_reg(gspca_dev,    160, 0x0130);  /* Blue gain */
   1288		cit_write_reg(gspca_dev, 0x8a28, 0x0124);
   1289		cit_write_reg(gspca_dev, val, 0x012d); /* Hue */
   1290		cit_write_reg(gspca_dev, 0xf545, 0x0124);
   1291		break;
   1292	}
   1293	return 0;
   1294}
   1295
   1296static int cit_set_sharpness(struct gspca_dev *gspca_dev, s32 val)
   1297{
   1298	struct sd *sd = (struct sd *) gspca_dev;
   1299
   1300	switch (sd->model) {
   1301	case CIT_MODEL0:
   1302	case CIT_MODEL2:
   1303	case CIT_MODEL4:
   1304	case CIT_IBM_NETCAM_PRO:
   1305		/* These models do not have this control */
   1306		break;
   1307	case CIT_MODEL1: {
   1308		int i;
   1309		static const unsigned short sa[] = {
   1310			0x11, 0x13, 0x16, 0x18, 0x1a, 0x8, 0x0a };
   1311
   1312		for (i = 0; i < cit_model1_ntries; i++)
   1313			cit_PacketFormat2(gspca_dev, 0x0013, sa[val]);
   1314		break;
   1315	}
   1316	case CIT_MODEL3:
   1317	{	/*
   1318		 * "Use a table of magic numbers.
   1319		 *  This setting doesn't really change much.
   1320		 *  But that's how Windows does it."
   1321		 */
   1322		static const struct {
   1323			unsigned short sv1;
   1324			unsigned short sv2;
   1325			unsigned short sv3;
   1326			unsigned short sv4;
   1327		} sv[7] = {
   1328			{ 0x00, 0x00, 0x05, 0x14 },	/* Smoothest */
   1329			{ 0x01, 0x04, 0x05, 0x14 },
   1330			{ 0x02, 0x04, 0x05, 0x14 },
   1331			{ 0x03, 0x04, 0x05, 0x14 },
   1332			{ 0x03, 0x05, 0x05, 0x14 },
   1333			{ 0x03, 0x06, 0x05, 0x14 },
   1334			{ 0x03, 0x07, 0x05, 0x14 }	/* Sharpest */
   1335		};
   1336		cit_model3_Packet1(gspca_dev, 0x0060, sv[val].sv1);
   1337		cit_model3_Packet1(gspca_dev, 0x0061, sv[val].sv2);
   1338		cit_model3_Packet1(gspca_dev, 0x0062, sv[val].sv3);
   1339		cit_model3_Packet1(gspca_dev, 0x0063, sv[val].sv4);
   1340		break;
   1341	}
   1342	}
   1343	return 0;
   1344}
   1345
   1346/*
   1347 * cit_set_lighting()
   1348 *
   1349 * Camera model 1:
   1350 * We have 3 levels of lighting conditions: 0=Bright, 1=Medium, 2=Low.
   1351 *
   1352 * Camera model 2:
   1353 * We have 16 levels of lighting, 0 for bright light and up to 15 for
   1354 * low light. But values above 5 or so are useless because camera is
   1355 * not really capable to produce anything worth viewing at such light.
   1356 * This setting may be altered only in certain camera state.
   1357 *
   1358 * Low lighting forces slower FPS.
   1359 *
   1360 * History:
   1361 * 1/5/00   Created.
   1362 * 2/20/00  Added support for Model 2 cameras.
   1363 */
   1364static void cit_set_lighting(struct gspca_dev *gspca_dev, s32 val)
   1365{
   1366	struct sd *sd = (struct sd *) gspca_dev;
   1367
   1368	switch (sd->model) {
   1369	case CIT_MODEL0:
   1370	case CIT_MODEL2:
   1371	case CIT_MODEL3:
   1372	case CIT_MODEL4:
   1373	case CIT_IBM_NETCAM_PRO:
   1374		break;
   1375	case CIT_MODEL1: {
   1376		int i;
   1377		for (i = 0; i < cit_model1_ntries; i++)
   1378			cit_Packet_Format1(gspca_dev, 0x0027, val);
   1379		break;
   1380	}
   1381	}
   1382}
   1383
   1384static void cit_set_hflip(struct gspca_dev *gspca_dev, s32 val)
   1385{
   1386	struct sd *sd = (struct sd *) gspca_dev;
   1387
   1388	switch (sd->model) {
   1389	case CIT_MODEL0:
   1390		if (val)
   1391			cit_write_reg(gspca_dev, 0x0020, 0x0115);
   1392		else
   1393			cit_write_reg(gspca_dev, 0x0040, 0x0115);
   1394		break;
   1395	case CIT_MODEL1:
   1396	case CIT_MODEL2:
   1397	case CIT_MODEL3:
   1398	case CIT_MODEL4:
   1399	case CIT_IBM_NETCAM_PRO:
   1400		break;
   1401	}
   1402}
   1403
   1404static int cit_restart_stream(struct gspca_dev *gspca_dev)
   1405{
   1406	struct sd *sd = (struct sd *) gspca_dev;
   1407
   1408	switch (sd->model) {
   1409	case CIT_MODEL0:
   1410	case CIT_MODEL1:
   1411		cit_write_reg(gspca_dev, 0x0001, 0x0114);
   1412		fallthrough;
   1413	case CIT_MODEL2:
   1414	case CIT_MODEL4:
   1415		cit_write_reg(gspca_dev, 0x00c0, 0x010c); /* Go! */
   1416		usb_clear_halt(gspca_dev->dev, gspca_dev->urb[0]->pipe);
   1417		break;
   1418	case CIT_MODEL3:
   1419	case CIT_IBM_NETCAM_PRO:
   1420		cit_write_reg(gspca_dev, 0x0001, 0x0114);
   1421		cit_write_reg(gspca_dev, 0x00c0, 0x010c); /* Go! */
   1422		usb_clear_halt(gspca_dev->dev, gspca_dev->urb[0]->pipe);
   1423		/* Clear button events from while we were not streaming */
   1424		cit_write_reg(gspca_dev, 0x0001, 0x0113);
   1425		break;
   1426	}
   1427
   1428	sd->sof_read = 0;
   1429
   1430	return 0;
   1431}
   1432
   1433static int cit_get_packet_size(struct gspca_dev *gspca_dev)
   1434{
   1435	struct usb_host_interface *alt;
   1436	struct usb_interface *intf;
   1437
   1438	intf = usb_ifnum_to_if(gspca_dev->dev, gspca_dev->iface);
   1439	alt = usb_altnum_to_altsetting(intf, gspca_dev->alt);
   1440	if (!alt) {
   1441		pr_err("Couldn't get altsetting\n");
   1442		return -EIO;
   1443	}
   1444
   1445	if (alt->desc.bNumEndpoints < 1)
   1446		return -ENODEV;
   1447
   1448	return le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
   1449}
   1450
   1451/* Calculate the clockdiv giving us max fps given the available bandwidth */
   1452static int cit_get_clock_div(struct gspca_dev *gspca_dev)
   1453{
   1454	int clock_div = 7; /* 0=30 1=25 2=20 3=15 4=12 5=7.5 6=6 7=3fps ?? */
   1455	int fps[8] = { 30, 25, 20, 15, 12, 8, 6, 3 };
   1456	int packet_size;
   1457
   1458	packet_size = cit_get_packet_size(gspca_dev);
   1459	if (packet_size < 0)
   1460		return packet_size;
   1461
   1462	while (clock_div > 3 &&
   1463			1000 * packet_size >
   1464			gspca_dev->pixfmt.width * gspca_dev->pixfmt.height *
   1465			fps[clock_div - 1] * 3 / 2)
   1466		clock_div--;
   1467
   1468	gspca_dbg(gspca_dev, D_PROBE,
   1469		  "PacketSize: %d, res: %dx%d -> using clockdiv: %d (%d fps)\n",
   1470		  packet_size,
   1471		  gspca_dev->pixfmt.width, gspca_dev->pixfmt.height,
   1472		  clock_div, fps[clock_div]);
   1473
   1474	return clock_div;
   1475}
   1476
   1477static int cit_start_model0(struct gspca_dev *gspca_dev)
   1478{
   1479	const unsigned short compression = 0; /* 0=none, 7=best frame rate */
   1480	int clock_div;
   1481
   1482	clock_div = cit_get_clock_div(gspca_dev);
   1483	if (clock_div < 0)
   1484		return clock_div;
   1485
   1486	cit_write_reg(gspca_dev, 0x0000, 0x0100); /* turn on led */
   1487	cit_write_reg(gspca_dev, 0x0003, 0x0438);
   1488	cit_write_reg(gspca_dev, 0x001e, 0x042b);
   1489	cit_write_reg(gspca_dev, 0x0041, 0x042c);
   1490	cit_write_reg(gspca_dev, 0x0008, 0x0436);
   1491	cit_write_reg(gspca_dev, 0x0024, 0x0403);
   1492	cit_write_reg(gspca_dev, 0x002c, 0x0404);
   1493	cit_write_reg(gspca_dev, 0x0002, 0x0426);
   1494	cit_write_reg(gspca_dev, 0x0014, 0x0427);
   1495
   1496	switch (gspca_dev->pixfmt.width) {
   1497	case 160: /* 160x120 */
   1498		cit_write_reg(gspca_dev, 0x0004, 0x010b);
   1499		cit_write_reg(gspca_dev, 0x0001, 0x010a);
   1500		cit_write_reg(gspca_dev, 0x0010, 0x0102);
   1501		cit_write_reg(gspca_dev, 0x00a0, 0x0103);
   1502		cit_write_reg(gspca_dev, 0x0000, 0x0104);
   1503		cit_write_reg(gspca_dev, 0x0078, 0x0105);
   1504		break;
   1505
   1506	case 176: /* 176x144 */
   1507		cit_write_reg(gspca_dev, 0x0006, 0x010b);
   1508		cit_write_reg(gspca_dev, 0x0000, 0x010a);
   1509		cit_write_reg(gspca_dev, 0x0005, 0x0102);
   1510		cit_write_reg(gspca_dev, 0x00b0, 0x0103);
   1511		cit_write_reg(gspca_dev, 0x0000, 0x0104);
   1512		cit_write_reg(gspca_dev, 0x0090, 0x0105);
   1513		break;
   1514
   1515	case 320: /* 320x240 */
   1516		cit_write_reg(gspca_dev, 0x0008, 0x010b);
   1517		cit_write_reg(gspca_dev, 0x0004, 0x010a);
   1518		cit_write_reg(gspca_dev, 0x0005, 0x0102);
   1519		cit_write_reg(gspca_dev, 0x00a0, 0x0103);
   1520		cit_write_reg(gspca_dev, 0x0010, 0x0104);
   1521		cit_write_reg(gspca_dev, 0x0078, 0x0105);
   1522		break;
   1523	}
   1524
   1525	cit_write_reg(gspca_dev, compression, 0x0109);
   1526	cit_write_reg(gspca_dev, clock_div, 0x0111);
   1527
   1528	return 0;
   1529}
   1530
   1531static int cit_start_model1(struct gspca_dev *gspca_dev)
   1532{
   1533	struct sd *sd = (struct sd *) gspca_dev;
   1534	int i, clock_div;
   1535
   1536	clock_div = cit_get_clock_div(gspca_dev);
   1537	if (clock_div < 0)
   1538		return clock_div;
   1539
   1540	cit_read_reg(gspca_dev, 0x0128, 1);
   1541	cit_read_reg(gspca_dev, 0x0100, 0);
   1542	cit_write_reg(gspca_dev, 0x01, 0x0100);	/* LED On  */
   1543	cit_read_reg(gspca_dev, 0x0100, 0);
   1544	cit_write_reg(gspca_dev, 0x81, 0x0100);	/* LED Off */
   1545	cit_read_reg(gspca_dev, 0x0100, 0);
   1546	cit_write_reg(gspca_dev, 0x01, 0x0100);	/* LED On  */
   1547	cit_write_reg(gspca_dev, 0x01, 0x0108);
   1548
   1549	cit_write_reg(gspca_dev, 0x03, 0x0112);
   1550	cit_read_reg(gspca_dev, 0x0115, 0);
   1551	cit_write_reg(gspca_dev, 0x06, 0x0115);
   1552	cit_read_reg(gspca_dev, 0x0116, 0);
   1553	cit_write_reg(gspca_dev, 0x44, 0x0116);
   1554	cit_read_reg(gspca_dev, 0x0116, 0);
   1555	cit_write_reg(gspca_dev, 0x40, 0x0116);
   1556	cit_read_reg(gspca_dev, 0x0115, 0);
   1557	cit_write_reg(gspca_dev, 0x0e, 0x0115);
   1558	cit_write_reg(gspca_dev, 0x19, 0x012c);
   1559
   1560	cit_Packet_Format1(gspca_dev, 0x00, 0x1e);
   1561	cit_Packet_Format1(gspca_dev, 0x39, 0x0d);
   1562	cit_Packet_Format1(gspca_dev, 0x39, 0x09);
   1563	cit_Packet_Format1(gspca_dev, 0x3b, 0x00);
   1564	cit_Packet_Format1(gspca_dev, 0x28, 0x22);
   1565	cit_Packet_Format1(gspca_dev, 0x27, 0x00);
   1566	cit_Packet_Format1(gspca_dev, 0x2b, 0x1f);
   1567	cit_Packet_Format1(gspca_dev, 0x39, 0x08);
   1568
   1569	for (i = 0; i < cit_model1_ntries; i++)
   1570		cit_Packet_Format1(gspca_dev, 0x2c, 0x00);
   1571
   1572	for (i = 0; i < cit_model1_ntries; i++)
   1573		cit_Packet_Format1(gspca_dev, 0x30, 0x14);
   1574
   1575	cit_PacketFormat2(gspca_dev, 0x39, 0x02);
   1576	cit_PacketFormat2(gspca_dev, 0x01, 0xe1);
   1577	cit_PacketFormat2(gspca_dev, 0x02, 0xcd);
   1578	cit_PacketFormat2(gspca_dev, 0x03, 0xcd);
   1579	cit_PacketFormat2(gspca_dev, 0x04, 0xfa);
   1580	cit_PacketFormat2(gspca_dev, 0x3f, 0xff);
   1581	cit_PacketFormat2(gspca_dev, 0x39, 0x00);
   1582
   1583	cit_PacketFormat2(gspca_dev, 0x39, 0x02);
   1584	cit_PacketFormat2(gspca_dev, 0x0a, 0x37);
   1585	cit_PacketFormat2(gspca_dev, 0x0b, 0xb8);
   1586	cit_PacketFormat2(gspca_dev, 0x0c, 0xf3);
   1587	cit_PacketFormat2(gspca_dev, 0x0d, 0xe3);
   1588	cit_PacketFormat2(gspca_dev, 0x0e, 0x0d);
   1589	cit_PacketFormat2(gspca_dev, 0x0f, 0xf2);
   1590	cit_PacketFormat2(gspca_dev, 0x10, 0xd5);
   1591	cit_PacketFormat2(gspca_dev, 0x11, 0xba);
   1592	cit_PacketFormat2(gspca_dev, 0x12, 0x53);
   1593	cit_PacketFormat2(gspca_dev, 0x3f, 0xff);
   1594	cit_PacketFormat2(gspca_dev, 0x39, 0x00);
   1595
   1596	cit_PacketFormat2(gspca_dev, 0x39, 0x02);
   1597	cit_PacketFormat2(gspca_dev, 0x16, 0x00);
   1598	cit_PacketFormat2(gspca_dev, 0x17, 0x28);
   1599	cit_PacketFormat2(gspca_dev, 0x18, 0x7d);
   1600	cit_PacketFormat2(gspca_dev, 0x19, 0xbe);
   1601	cit_PacketFormat2(gspca_dev, 0x3f, 0xff);
   1602	cit_PacketFormat2(gspca_dev, 0x39, 0x00);
   1603
   1604	for (i = 0; i < cit_model1_ntries; i++)
   1605		cit_Packet_Format1(gspca_dev, 0x00, 0x18);
   1606	for (i = 0; i < cit_model1_ntries; i++)
   1607		cit_Packet_Format1(gspca_dev, 0x13, 0x18);
   1608	for (i = 0; i < cit_model1_ntries; i++)
   1609		cit_Packet_Format1(gspca_dev, 0x14, 0x06);
   1610
   1611	/* TESTME These are handled through controls
   1612	   KEEP until someone can test leaving this out is ok */
   1613	if (0) {
   1614		/* This is default brightness */
   1615		for (i = 0; i < cit_model1_ntries; i++)
   1616			cit_Packet_Format1(gspca_dev, 0x31, 0x37);
   1617		for (i = 0; i < cit_model1_ntries; i++)
   1618			cit_Packet_Format1(gspca_dev, 0x32, 0x46);
   1619		for (i = 0; i < cit_model1_ntries; i++)
   1620			cit_Packet_Format1(gspca_dev, 0x33, 0x55);
   1621	}
   1622
   1623	cit_Packet_Format1(gspca_dev, 0x2e, 0x04);
   1624	for (i = 0; i < cit_model1_ntries; i++)
   1625		cit_Packet_Format1(gspca_dev, 0x2d, 0x04);
   1626	for (i = 0; i < cit_model1_ntries; i++)
   1627		cit_Packet_Format1(gspca_dev, 0x29, 0x80);
   1628	cit_Packet_Format1(gspca_dev, 0x2c, 0x01);
   1629	cit_Packet_Format1(gspca_dev, 0x30, 0x17);
   1630	cit_Packet_Format1(gspca_dev, 0x39, 0x08);
   1631	for (i = 0; i < cit_model1_ntries; i++)
   1632		cit_Packet_Format1(gspca_dev, 0x34, 0x00);
   1633
   1634	cit_write_reg(gspca_dev, 0x00, 0x0101);
   1635	cit_write_reg(gspca_dev, 0x00, 0x010a);
   1636
   1637	switch (gspca_dev->pixfmt.width) {
   1638	case 128: /* 128x96 */
   1639		cit_write_reg(gspca_dev, 0x80, 0x0103);
   1640		cit_write_reg(gspca_dev, 0x60, 0x0105);
   1641		cit_write_reg(gspca_dev, 0x0c, 0x010b);
   1642		cit_write_reg(gspca_dev, 0x04, 0x011b);	/* Same everywhere */
   1643		cit_write_reg(gspca_dev, 0x0b, 0x011d);
   1644		cit_write_reg(gspca_dev, 0x00, 0x011e);	/* Same everywhere */
   1645		cit_write_reg(gspca_dev, 0x00, 0x0129);
   1646		break;
   1647	case 176: /* 176x144 */
   1648		cit_write_reg(gspca_dev, 0xb0, 0x0103);
   1649		cit_write_reg(gspca_dev, 0x8f, 0x0105);
   1650		cit_write_reg(gspca_dev, 0x06, 0x010b);
   1651		cit_write_reg(gspca_dev, 0x04, 0x011b);	/* Same everywhere */
   1652		cit_write_reg(gspca_dev, 0x0d, 0x011d);
   1653		cit_write_reg(gspca_dev, 0x00, 0x011e);	/* Same everywhere */
   1654		cit_write_reg(gspca_dev, 0x03, 0x0129);
   1655		break;
   1656	case 352: /* 352x288 */
   1657		cit_write_reg(gspca_dev, 0xb0, 0x0103);
   1658		cit_write_reg(gspca_dev, 0x90, 0x0105);
   1659		cit_write_reg(gspca_dev, 0x02, 0x010b);
   1660		cit_write_reg(gspca_dev, 0x04, 0x011b);	/* Same everywhere */
   1661		cit_write_reg(gspca_dev, 0x05, 0x011d);
   1662		cit_write_reg(gspca_dev, 0x00, 0x011e);	/* Same everywhere */
   1663		cit_write_reg(gspca_dev, 0x00, 0x0129);
   1664		break;
   1665	}
   1666
   1667	cit_write_reg(gspca_dev, 0xff, 0x012b);
   1668
   1669	/* TESTME These are handled through controls
   1670	   KEEP until someone can test leaving this out is ok */
   1671	if (0) {
   1672		/* This is another brightness - don't know why */
   1673		for (i = 0; i < cit_model1_ntries; i++)
   1674			cit_Packet_Format1(gspca_dev, 0x31, 0xc3);
   1675		for (i = 0; i < cit_model1_ntries; i++)
   1676			cit_Packet_Format1(gspca_dev, 0x32, 0xd2);
   1677		for (i = 0; i < cit_model1_ntries; i++)
   1678			cit_Packet_Format1(gspca_dev, 0x33, 0xe1);
   1679
   1680		/* Default contrast */
   1681		for (i = 0; i < cit_model1_ntries; i++)
   1682			cit_Packet_Format1(gspca_dev, 0x14, 0x0a);
   1683
   1684		/* Default sharpness */
   1685		for (i = 0; i < cit_model1_ntries2; i++)
   1686			cit_PacketFormat2(gspca_dev, 0x13, 0x1a);
   1687
   1688		/* Default lighting conditions */
   1689		cit_Packet_Format1(gspca_dev, 0x0027,
   1690				   v4l2_ctrl_g_ctrl(sd->lighting));
   1691	}
   1692
   1693	/* Assorted init */
   1694	switch (gspca_dev->pixfmt.width) {
   1695	case 128: /* 128x96 */
   1696		cit_Packet_Format1(gspca_dev, 0x2b, 0x1e);
   1697		cit_write_reg(gspca_dev, 0xc9, 0x0119);	/* Same everywhere */
   1698		cit_write_reg(gspca_dev, 0x80, 0x0109);	/* Same everywhere */
   1699		cit_write_reg(gspca_dev, 0x36, 0x0102);
   1700		cit_write_reg(gspca_dev, 0x1a, 0x0104);
   1701		cit_write_reg(gspca_dev, 0x04, 0x011a);	/* Same everywhere */
   1702		cit_write_reg(gspca_dev, 0x2b, 0x011c);
   1703		cit_write_reg(gspca_dev, 0x23, 0x012a);	/* Same everywhere */
   1704		break;
   1705	case 176: /* 176x144 */
   1706		cit_Packet_Format1(gspca_dev, 0x2b, 0x1e);
   1707		cit_write_reg(gspca_dev, 0xc9, 0x0119);	/* Same everywhere */
   1708		cit_write_reg(gspca_dev, 0x80, 0x0109);	/* Same everywhere */
   1709		cit_write_reg(gspca_dev, 0x04, 0x0102);
   1710		cit_write_reg(gspca_dev, 0x02, 0x0104);
   1711		cit_write_reg(gspca_dev, 0x04, 0x011a);	/* Same everywhere */
   1712		cit_write_reg(gspca_dev, 0x2b, 0x011c);
   1713		cit_write_reg(gspca_dev, 0x23, 0x012a);	/* Same everywhere */
   1714		break;
   1715	case 352: /* 352x288 */
   1716		cit_Packet_Format1(gspca_dev, 0x2b, 0x1f);
   1717		cit_write_reg(gspca_dev, 0xc9, 0x0119);	/* Same everywhere */
   1718		cit_write_reg(gspca_dev, 0x80, 0x0109);	/* Same everywhere */
   1719		cit_write_reg(gspca_dev, 0x08, 0x0102);
   1720		cit_write_reg(gspca_dev, 0x01, 0x0104);
   1721		cit_write_reg(gspca_dev, 0x04, 0x011a);	/* Same everywhere */
   1722		cit_write_reg(gspca_dev, 0x2f, 0x011c);
   1723		cit_write_reg(gspca_dev, 0x23, 0x012a);	/* Same everywhere */
   1724		break;
   1725	}
   1726
   1727	cit_write_reg(gspca_dev, 0x01, 0x0100);	/* LED On  */
   1728	cit_write_reg(gspca_dev, clock_div, 0x0111);
   1729
   1730	return 0;
   1731}
   1732
   1733static int cit_start_model2(struct gspca_dev *gspca_dev)
   1734{
   1735	struct sd *sd = (struct sd *) gspca_dev;
   1736	int clock_div = 0;
   1737
   1738	cit_write_reg(gspca_dev, 0x0000, 0x0100);	/* LED on */
   1739	cit_read_reg(gspca_dev, 0x0116, 0);
   1740	cit_write_reg(gspca_dev, 0x0060, 0x0116);
   1741	cit_write_reg(gspca_dev, 0x0002, 0x0112);
   1742	cit_write_reg(gspca_dev, 0x00bc, 0x012c);
   1743	cit_write_reg(gspca_dev, 0x0008, 0x012b);
   1744	cit_write_reg(gspca_dev, 0x0000, 0x0108);
   1745	cit_write_reg(gspca_dev, 0x0001, 0x0133);
   1746	cit_write_reg(gspca_dev, 0x0001, 0x0102);
   1747	switch (gspca_dev->pixfmt.width) {
   1748	case 176: /* 176x144 */
   1749		cit_write_reg(gspca_dev, 0x002c, 0x0103);	/* All except 320x240 */
   1750		cit_write_reg(gspca_dev, 0x0000, 0x0104);	/* Same */
   1751		cit_write_reg(gspca_dev, 0x0024, 0x0105);	/* 176x144, 352x288 */
   1752		cit_write_reg(gspca_dev, 0x00b9, 0x010a);	/* Unique to this mode */
   1753		cit_write_reg(gspca_dev, 0x0038, 0x0119);	/* Unique to this mode */
   1754		/* TESTME HDG: this does not seem right
   1755		   (it is 2 for all other resolutions) */
   1756		sd->sof_len = 10;
   1757		break;
   1758	case 320: /* 320x240 */
   1759		cit_write_reg(gspca_dev, 0x0028, 0x0103);	/* Unique to this mode */
   1760		cit_write_reg(gspca_dev, 0x0000, 0x0104);	/* Same */
   1761		cit_write_reg(gspca_dev, 0x001e, 0x0105);	/* 320x240, 352x240 */
   1762		cit_write_reg(gspca_dev, 0x0039, 0x010a);	/* All except 176x144 */
   1763		cit_write_reg(gspca_dev, 0x0070, 0x0119);	/* All except 176x144 */
   1764		sd->sof_len = 2;
   1765		break;
   1766#if 0
   1767	case VIDEOSIZE_352x240:
   1768		cit_write_reg(gspca_dev, 0x002c, 0x0103);	/* All except 320x240 */
   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#endif
   1776	case 352: /* 352x288 */
   1777		cit_write_reg(gspca_dev, 0x002c, 0x0103);	/* All except 320x240 */
   1778		cit_write_reg(gspca_dev, 0x0000, 0x0104);	/* Same */
   1779		cit_write_reg(gspca_dev, 0x0024, 0x0105);	/* 176x144, 352x288 */
   1780		cit_write_reg(gspca_dev, 0x0039, 0x010a);	/* All except 176x144 */
   1781		cit_write_reg(gspca_dev, 0x0070, 0x0119);	/* All except 176x144 */
   1782		sd->sof_len = 2;
   1783		break;
   1784	}
   1785
   1786	cit_write_reg(gspca_dev, 0x0000, 0x0100);	/* LED on */
   1787
   1788	switch (gspca_dev->pixfmt.width) {
   1789	case 176: /* 176x144 */
   1790		cit_write_reg(gspca_dev, 0x0050, 0x0111);
   1791		cit_write_reg(gspca_dev, 0x00d0, 0x0111);
   1792		break;
   1793	case 320: /* 320x240 */
   1794	case 352: /* 352x288 */
   1795		cit_write_reg(gspca_dev, 0x0040, 0x0111);
   1796		cit_write_reg(gspca_dev, 0x00c0, 0x0111);
   1797		break;
   1798	}
   1799	cit_write_reg(gspca_dev, 0x009b, 0x010f);
   1800	cit_write_reg(gspca_dev, 0x00bb, 0x010f);
   1801
   1802	/*
   1803	 * Hardware settings, may affect CMOS sensor; not user controls!
   1804	 * -------------------------------------------------------------
   1805	 * 0x0004: no effect
   1806	 * 0x0006: hardware effect
   1807	 * 0x0008: no effect
   1808	 * 0x000a: stops video stream, probably important h/w setting
   1809	 * 0x000c: changes color in hardware manner (not user setting)
   1810	 * 0x0012: changes number of colors (does not affect speed)
   1811	 * 0x002a: no effect
   1812	 * 0x002c: hardware setting (related to scan lines)
   1813	 * 0x002e: stops video stream, probably important h/w setting
   1814	 */
   1815	cit_model2_Packet1(gspca_dev, 0x000a, 0x005c);
   1816	cit_model2_Packet1(gspca_dev, 0x0004, 0x0000);
   1817	cit_model2_Packet1(gspca_dev, 0x0006, 0x00fb);
   1818	cit_model2_Packet1(gspca_dev, 0x0008, 0x0000);
   1819	cit_model2_Packet1(gspca_dev, 0x000c, 0x0009);
   1820	cit_model2_Packet1(gspca_dev, 0x0012, 0x000a);
   1821	cit_model2_Packet1(gspca_dev, 0x002a, 0x0000);
   1822	cit_model2_Packet1(gspca_dev, 0x002c, 0x0000);
   1823	cit_model2_Packet1(gspca_dev, 0x002e, 0x0008);
   1824
   1825	/*
   1826	 * Function 0x0030 pops up all over the place. Apparently
   1827	 * it is a hardware control register, with every bit assigned to
   1828	 * do something.
   1829	 */
   1830	cit_model2_Packet1(gspca_dev, 0x0030, 0x0000);
   1831
   1832	/*
   1833	 * Magic control of CMOS sensor. Only lower values like
   1834	 * 0-3 work, and picture shifts left or right. Don't change.
   1835	 */
   1836	switch (gspca_dev->pixfmt.width) {
   1837	case 176: /* 176x144 */
   1838		cit_model2_Packet1(gspca_dev, 0x0014, 0x0002);
   1839		cit_model2_Packet1(gspca_dev, 0x0016, 0x0002); /* Horizontal shift */
   1840		cit_model2_Packet1(gspca_dev, 0x0018, 0x004a); /* Another hardware setting */
   1841		clock_div = 6;
   1842		break;
   1843	case 320: /* 320x240 */
   1844		cit_model2_Packet1(gspca_dev, 0x0014, 0x0009);
   1845		cit_model2_Packet1(gspca_dev, 0x0016, 0x0005); /* Horizontal shift */
   1846		cit_model2_Packet1(gspca_dev, 0x0018, 0x0044); /* Another hardware setting */
   1847		clock_div = 8;
   1848		break;
   1849#if 0
   1850	case VIDEOSIZE_352x240:
   1851		/* This mode doesn't work as Windows programs it; changed to work */
   1852		cit_model2_Packet1(gspca_dev, 0x0014, 0x0009); /* Windows sets this to 8 */
   1853		cit_model2_Packet1(gspca_dev, 0x0016, 0x0003); /* Horizontal shift */
   1854		cit_model2_Packet1(gspca_dev, 0x0018, 0x0044); /* Windows sets this to 0x0045 */
   1855		clock_div = 10;
   1856		break;
   1857#endif
   1858	case 352: /* 352x288 */
   1859		cit_model2_Packet1(gspca_dev, 0x0014, 0x0003);
   1860		cit_model2_Packet1(gspca_dev, 0x0016, 0x0002); /* Horizontal shift */
   1861		cit_model2_Packet1(gspca_dev, 0x0018, 0x004a); /* Another hardware setting */
   1862		clock_div = 16;
   1863		break;
   1864	}
   1865
   1866	/* TESTME These are handled through controls
   1867	   KEEP until someone can test leaving this out is ok */
   1868	if (0)
   1869		cit_model2_Packet1(gspca_dev, 0x001a, 0x005a);
   1870
   1871	/*
   1872	 * We have our own frame rate setting varying from 0 (slowest) to 6
   1873	 * (fastest). The camera model 2 allows frame rate in range [0..0x1F]
   1874	 # where 0 is also the slowest setting. However for all practical
   1875	 # reasons high settings make no sense because USB is not fast enough
   1876	 # to support high FPS. Be aware that the picture datastream will be
   1877	 # severely disrupted if you ask for frame rate faster than allowed
   1878	 # for the video size - see below:
   1879	 *
   1880	 * Allowable ranges (obtained experimentally on OHCI, K6-3, 450 MHz):
   1881	 * -----------------------------------------------------------------
   1882	 * 176x144: [6..31]
   1883	 * 320x240: [8..31]
   1884	 * 352x240: [10..31]
   1885	 * 352x288: [16..31] I have to raise lower threshold for stability...
   1886	 *
   1887	 * As usual, slower FPS provides better sensitivity.
   1888	 */
   1889	cit_model2_Packet1(gspca_dev, 0x001c, clock_div);
   1890
   1891	/*
   1892	 * This setting does not visibly affect pictures; left it here
   1893	 * because it was present in Windows USB data stream. This function
   1894	 * does not allow arbitrary values and apparently is a bit mask, to
   1895	 * be activated only at appropriate time. Don't change it randomly!
   1896	 */
   1897	switch (gspca_dev->pixfmt.width) {
   1898	case 176: /* 176x144 */
   1899		cit_model2_Packet1(gspca_dev, 0x0026, 0x00c2);
   1900		break;
   1901	case 320: /* 320x240 */
   1902		cit_model2_Packet1(gspca_dev, 0x0026, 0x0044);
   1903		break;
   1904#if 0
   1905	case VIDEOSIZE_352x240:
   1906		cit_model2_Packet1(gspca_dev, 0x0026, 0x0046);
   1907		break;
   1908#endif
   1909	case 352: /* 352x288 */
   1910		cit_model2_Packet1(gspca_dev, 0x0026, 0x0048);
   1911		break;
   1912	}
   1913
   1914	cit_model2_Packet1(gspca_dev, 0x0028, v4l2_ctrl_g_ctrl(sd->lighting));
   1915	/* model2 cannot change the backlight compensation while streaming */
   1916	v4l2_ctrl_grab(sd->lighting, true);
   1917
   1918	/* color balance rg2 */
   1919	cit_model2_Packet1(gspca_dev, 0x001e, 0x002f);
   1920	/* saturation */
   1921	cit_model2_Packet1(gspca_dev, 0x0020, 0x0034);
   1922	/* color balance yb */
   1923	cit_model2_Packet1(gspca_dev, 0x0022, 0x00a0);
   1924
   1925	/* Hardware control command */
   1926	cit_model2_Packet1(gspca_dev, 0x0030, 0x0004);
   1927
   1928	return 0;
   1929}
   1930
   1931static int cit_start_model3(struct gspca_dev *gspca_dev)
   1932{
   1933	const unsigned short compression = 0; /* 0=none, 7=best frame rate */
   1934	int i, clock_div = 0;
   1935
   1936	/* HDG not in ibmcam driver, added to see if it helps with
   1937	   auto-detecting between model3 and ibm netcamera pro */
   1938	cit_read_reg(gspca_dev, 0x128, 1);
   1939
   1940	cit_write_reg(gspca_dev, 0x0000, 0x0100);
   1941	cit_read_reg(gspca_dev, 0x0116, 0);
   1942	cit_write_reg(gspca_dev, 0x0060, 0x0116);
   1943	cit_write_reg(gspca_dev, 0x0002, 0x0112);
   1944	cit_write_reg(gspca_dev, 0x0000, 0x0123);
   1945	cit_write_reg(gspca_dev, 0x0001, 0x0117);
   1946	cit_write_reg(gspca_dev, 0x0040, 0x0108);
   1947	cit_write_reg(gspca_dev, 0x0019, 0x012c);
   1948	cit_write_reg(gspca_dev, 0x0060, 0x0116);
   1949	cit_write_reg(gspca_dev, 0x0002, 0x0115);
   1950	cit_write_reg(gspca_dev, 0x0003, 0x0115);
   1951	cit_read_reg(gspca_dev, 0x0115, 0);
   1952	cit_write_reg(gspca_dev, 0x000b, 0x0115);
   1953
   1954	/* TESTME HDG not in ibmcam driver, added to see if it helps with
   1955	   auto-detecting between model3 and ibm netcamera pro */
   1956	if (0) {
   1957		cit_write_reg(gspca_dev, 0x0078, 0x012d);
   1958		cit_write_reg(gspca_dev, 0x0001, 0x012f);
   1959		cit_write_reg(gspca_dev, 0xd141, 0x0124);
   1960		cit_write_reg(gspca_dev, 0x0079, 0x012d);
   1961		cit_write_reg(gspca_dev, 0x00ff, 0x0130);
   1962		cit_write_reg(gspca_dev, 0xcd41, 0x0124);
   1963		cit_write_reg(gspca_dev, 0xfffa, 0x0124);
   1964		cit_read_reg(gspca_dev, 0x0126, 1);
   1965	}
   1966
   1967	cit_model3_Packet1(gspca_dev, 0x000a, 0x0040);
   1968	cit_model3_Packet1(gspca_dev, 0x000b, 0x00f6);
   1969	cit_model3_Packet1(gspca_dev, 0x000c, 0x0002);
   1970	cit_model3_Packet1(gspca_dev, 0x000d, 0x0020);
   1971	cit_model3_Packet1(gspca_dev, 0x000e, 0x0033);
   1972	cit_model3_Packet1(gspca_dev, 0x000f, 0x0007);
   1973	cit_model3_Packet1(gspca_dev, 0x0010, 0x0000);
   1974	cit_model3_Packet1(gspca_dev, 0x0011, 0x0070);
   1975	cit_model3_Packet1(gspca_dev, 0x0012, 0x0030);
   1976	cit_model3_Packet1(gspca_dev, 0x0013, 0x0000);
   1977	cit_model3_Packet1(gspca_dev, 0x0014, 0x0001);
   1978	cit_model3_Packet1(gspca_dev, 0x0015, 0x0001);
   1979	cit_model3_Packet1(gspca_dev, 0x0016, 0x0001);
   1980	cit_model3_Packet1(gspca_dev, 0x0017, 0x0001);
   1981	cit_model3_Packet1(gspca_dev, 0x0018, 0x0000);
   1982	cit_model3_Packet1(gspca_dev, 0x001e, 0x00c3);
   1983	cit_model3_Packet1(gspca_dev, 0x0020, 0x0000);
   1984	cit_model3_Packet1(gspca_dev, 0x0028, 0x0010);
   1985	cit_model3_Packet1(gspca_dev, 0x0029, 0x0054);
   1986	cit_model3_Packet1(gspca_dev, 0x002a, 0x0013);
   1987	cit_model3_Packet1(gspca_dev, 0x002b, 0x0007);
   1988	cit_model3_Packet1(gspca_dev, 0x002d, 0x0028);
   1989	cit_model3_Packet1(gspca_dev, 0x002e, 0x0000);
   1990	cit_model3_Packet1(gspca_dev, 0x0031, 0x0000);
   1991	cit_model3_Packet1(gspca_dev, 0x0032, 0x0000);
   1992	cit_model3_Packet1(gspca_dev, 0x0033, 0x0000);
   1993	cit_model3_Packet1(gspca_dev, 0x0034, 0x0000);
   1994	cit_model3_Packet1(gspca_dev, 0x0035, 0x0038);
   1995	cit_model3_Packet1(gspca_dev, 0x003a, 0x0001);
   1996	cit_model3_Packet1(gspca_dev, 0x003c, 0x001e);
   1997	cit_model3_Packet1(gspca_dev, 0x003f, 0x000a);
   1998	cit_model3_Packet1(gspca_dev, 0x0041, 0x0000);
   1999	cit_model3_Packet1(gspca_dev, 0x0046, 0x003f);
   2000	cit_model3_Packet1(gspca_dev, 0x0047, 0x0000);
   2001	cit_model3_Packet1(gspca_dev, 0x0050, 0x0005);
   2002	cit_model3_Packet1(gspca_dev, 0x0052, 0x001a);
   2003	cit_model3_Packet1(gspca_dev, 0x0053, 0x0003);
   2004	cit_model3_Packet1(gspca_dev, 0x005a, 0x006b);
   2005	cit_model3_Packet1(gspca_dev, 0x005d, 0x001e);
   2006	cit_model3_Packet1(gspca_dev, 0x005e, 0x0030);
   2007	cit_model3_Packet1(gspca_dev, 0x005f, 0x0041);
   2008	cit_model3_Packet1(gspca_dev, 0x0064, 0x0008);
   2009	cit_model3_Packet1(gspca_dev, 0x0065, 0x0015);
   2010	cit_model3_Packet1(gspca_dev, 0x0068, 0x000f);
   2011	cit_model3_Packet1(gspca_dev, 0x0079, 0x0000);
   2012	cit_model3_Packet1(gspca_dev, 0x007a, 0x0000);
   2013	cit_model3_Packet1(gspca_dev, 0x007c, 0x003f);
   2014	cit_model3_Packet1(gspca_dev, 0x0082, 0x000f);
   2015	cit_model3_Packet1(gspca_dev, 0x0085, 0x0000);
   2016	cit_model3_Packet1(gspca_dev, 0x0099, 0x0000);
   2017	cit_model3_Packet1(gspca_dev, 0x009b, 0x0023);
   2018	cit_model3_Packet1(gspca_dev, 0x009c, 0x0022);
   2019	cit_model3_Packet1(gspca_dev, 0x009d, 0x0096);
   2020	cit_model3_Packet1(gspca_dev, 0x009e, 0x0096);
   2021	cit_model3_Packet1(gspca_dev, 0x009f, 0x000a);
   2022
   2023	switch (gspca_dev->pixfmt.width) {
   2024	case 160:
   2025		cit_write_reg(gspca_dev, 0x0000, 0x0101); /* Same on 160x120, 320x240 */
   2026		cit_write_reg(gspca_dev, 0x00a0, 0x0103); /* Same on 160x120, 320x240 */
   2027		cit_write_reg(gspca_dev, 0x0078, 0x0105); /* Same on 160x120, 320x240 */
   2028		cit_write_reg(gspca_dev, 0x0000, 0x010a); /* Same */
   2029		cit_write_reg(gspca_dev, 0x0024, 0x010b); /* Differs everywhere */
   2030		cit_write_reg(gspca_dev, 0x00a9, 0x0119);
   2031		cit_write_reg(gspca_dev, 0x0016, 0x011b);
   2032		cit_write_reg(gspca_dev, 0x0002, 0x011d); /* Same on 160x120, 320x240 */
   2033		cit_write_reg(gspca_dev, 0x0003, 0x011e); /* Same on 160x120, 640x480 */
   2034		cit_write_reg(gspca_dev, 0x0000, 0x0129); /* Same */
   2035		cit_write_reg(gspca_dev, 0x00fc, 0x012b); /* Same */
   2036		cit_write_reg(gspca_dev, 0x0018, 0x0102);
   2037		cit_write_reg(gspca_dev, 0x0004, 0x0104);
   2038		cit_write_reg(gspca_dev, 0x0004, 0x011a);
   2039		cit_write_reg(gspca_dev, 0x0028, 0x011c);
   2040		cit_write_reg(gspca_dev, 0x0022, 0x012a); /* Same */
   2041		cit_write_reg(gspca_dev, 0x0000, 0x0118);
   2042		cit_write_reg(gspca_dev, 0x0000, 0x0132);
   2043		cit_model3_Packet1(gspca_dev, 0x0021, 0x0001); /* Same */
   2044		cit_write_reg(gspca_dev, compression, 0x0109);
   2045		clock_div = 3;
   2046		break;
   2047	case 320:
   2048		cit_write_reg(gspca_dev, 0x0000, 0x0101); /* Same on 160x120, 320x240 */
   2049		cit_write_reg(gspca_dev, 0x00a0, 0x0103); /* Same on 160x120, 320x240 */
   2050		cit_write_reg(gspca_dev, 0x0078, 0x0105); /* Same on 160x120, 320x240 */
   2051		cit_write_reg(gspca_dev, 0x0000, 0x010a); /* Same */
   2052		cit_write_reg(gspca_dev, 0x0028, 0x010b); /* Differs everywhere */
   2053		cit_write_reg(gspca_dev, 0x0002, 0x011d); /* Same */
   2054		cit_write_reg(gspca_dev, 0x0000, 0x011e);
   2055		cit_write_reg(gspca_dev, 0x0000, 0x0129); /* Same */
   2056		cit_write_reg(gspca_dev, 0x00fc, 0x012b); /* Same */
   2057		/* 4 commands from 160x120 skipped */
   2058		cit_write_reg(gspca_dev, 0x0022, 0x012a); /* Same */
   2059		cit_model3_Packet1(gspca_dev, 0x0021, 0x0001); /* Same */
   2060		cit_write_reg(gspca_dev, compression, 0x0109);
   2061		cit_write_reg(gspca_dev, 0x00d9, 0x0119);
   2062		cit_write_reg(gspca_dev, 0x0006, 0x011b);
   2063		cit_write_reg(gspca_dev, 0x0021, 0x0102); /* Same on 320x240, 640x480 */
   2064		cit_write_reg(gspca_dev, 0x0010, 0x0104);
   2065		cit_write_reg(gspca_dev, 0x0004, 0x011a);
   2066		cit_write_reg(gspca_dev, 0x003f, 0x011c);
   2067		cit_write_reg(gspca_dev, 0x001c, 0x0118);
   2068		cit_write_reg(gspca_dev, 0x0000, 0x0132);
   2069		clock_div = 5;
   2070		break;
   2071	case 640:
   2072		cit_write_reg(gspca_dev, 0x00f0, 0x0105);
   2073		cit_write_reg(gspca_dev, 0x0000, 0x010a); /* Same */
   2074		cit_write_reg(gspca_dev, 0x0038, 0x010b); /* Differs everywhere */
   2075		cit_write_reg(gspca_dev, 0x00d9, 0x0119); /* Same on 320x240, 640x480 */
   2076		cit_write_reg(gspca_dev, 0x0006, 0x011b); /* Same on 320x240, 640x480 */
   2077		cit_write_reg(gspca_dev, 0x0004, 0x011d); /* NC */
   2078		cit_write_reg(gspca_dev, 0x0003, 0x011e); /* Same on 160x120, 640x480 */
   2079		cit_write_reg(gspca_dev, 0x0000, 0x0129); /* Same */
   2080		cit_write_reg(gspca_dev, 0x00fc, 0x012b); /* Same */
   2081		cit_write_reg(gspca_dev, 0x0021, 0x0102); /* Same on 320x240, 640x480 */
   2082		cit_write_reg(gspca_dev, 0x0016, 0x0104); /* NC */
   2083		cit_write_reg(gspca_dev, 0x0004, 0x011a); /* Same on 320x240, 640x480 */
   2084		cit_write_reg(gspca_dev, 0x003f, 0x011c); /* Same on 320x240, 640x480 */
   2085		cit_write_reg(gspca_dev, 0x0022, 0x012a); /* Same */
   2086		cit_write_reg(gspca_dev, 0x001c, 0x0118); /* Same on 320x240, 640x480 */
   2087		cit_model3_Packet1(gspca_dev, 0x0021, 0x0001); /* Same */
   2088		cit_write_reg(gspca_dev, compression, 0x0109);
   2089		cit_write_reg(gspca_dev, 0x0040, 0x0101);
   2090		cit_write_reg(gspca_dev, 0x0040, 0x0103);
   2091		cit_write_reg(gspca_dev, 0x0000, 0x0132); /* Same on 320x240, 640x480 */
   2092		clock_div = 7;
   2093		break;
   2094	}
   2095
   2096	cit_model3_Packet1(gspca_dev, 0x007e, 0x000e);	/* Hue */
   2097	cit_model3_Packet1(gspca_dev, 0x0036, 0x0011);	/* Brightness */
   2098	cit_model3_Packet1(gspca_dev, 0x0060, 0x0002);	/* Sharpness */
   2099	cit_model3_Packet1(gspca_dev, 0x0061, 0x0004);	/* Sharpness */
   2100	cit_model3_Packet1(gspca_dev, 0x0062, 0x0005);	/* Sharpness */
   2101	cit_model3_Packet1(gspca_dev, 0x0063, 0x0014);	/* Sharpness */
   2102	cit_model3_Packet1(gspca_dev, 0x0096, 0x00a0);	/* Red sharpness */
   2103	cit_model3_Packet1(gspca_dev, 0x0097, 0x0096);	/* Blue sharpness */
   2104	cit_model3_Packet1(gspca_dev, 0x0067, 0x0001);	/* Contrast */
   2105	cit_model3_Packet1(gspca_dev, 0x005b, 0x000c);	/* Contrast */
   2106	cit_model3_Packet1(gspca_dev, 0x005c, 0x0016);	/* Contrast */
   2107	cit_model3_Packet1(gspca_dev, 0x0098, 0x000b);
   2108	cit_model3_Packet1(gspca_dev, 0x002c, 0x0003);	/* Was 1, broke 640x480 */
   2109	cit_model3_Packet1(gspca_dev, 0x002f, 0x002a);
   2110	cit_model3_Packet1(gspca_dev, 0x0030, 0x0029);
   2111	cit_model3_Packet1(gspca_dev, 0x0037, 0x0002);
   2112	cit_model3_Packet1(gspca_dev, 0x0038, 0x0059);
   2113	cit_model3_Packet1(gspca_dev, 0x003d, 0x002e);
   2114	cit_model3_Packet1(gspca_dev, 0x003e, 0x0028);
   2115	cit_model3_Packet1(gspca_dev, 0x0078, 0x0005);
   2116	cit_model3_Packet1(gspca_dev, 0x007b, 0x0011);
   2117	cit_model3_Packet1(gspca_dev, 0x007d, 0x004b);
   2118	cit_model3_Packet1(gspca_dev, 0x007f, 0x0022);
   2119	cit_model3_Packet1(gspca_dev, 0x0080, 0x000c);
   2120	cit_model3_Packet1(gspca_dev, 0x0081, 0x000b);
   2121	cit_model3_Packet1(gspca_dev, 0x0083, 0x00fd);
   2122	cit_model3_Packet1(gspca_dev, 0x0086, 0x000b);
   2123	cit_model3_Packet1(gspca_dev, 0x0087, 0x000b);
   2124	cit_model3_Packet1(gspca_dev, 0x007e, 0x000e);
   2125	cit_model3_Packet1(gspca_dev, 0x0096, 0x00a0);	/* Red sharpness */
   2126	cit_model3_Packet1(gspca_dev, 0x0097, 0x0096);	/* Blue sharpness */
   2127	cit_model3_Packet1(gspca_dev, 0x0098, 0x000b);
   2128
   2129	/* FIXME we should probably use cit_get_clock_div() here (in
   2130	   combination with isoc negotiation using the programmable isoc size)
   2131	   like with the IBM netcam pro). */
   2132	cit_write_reg(gspca_dev, clock_div, 0x0111); /* Clock Divider */
   2133
   2134	switch (gspca_dev->pixfmt.width) {
   2135	case 160:
   2136		cit_model3_Packet1(gspca_dev, 0x001f, 0x0000); /* Same */
   2137		cit_model3_Packet1(gspca_dev, 0x0039, 0x001f); /* Same */
   2138		cit_model3_Packet1(gspca_dev, 0x003b, 0x003c); /* Same */
   2139		cit_model3_Packet1(gspca_dev, 0x0040, 0x000a);
   2140		cit_model3_Packet1(gspca_dev, 0x0051, 0x000a);
   2141		break;
   2142	case 320:
   2143		cit_model3_Packet1(gspca_dev, 0x001f, 0x0000); /* Same */
   2144		cit_model3_Packet1(gspca_dev, 0x0039, 0x001f); /* Same */
   2145		cit_model3_Packet1(gspca_dev, 0x003b, 0x003c); /* Same */
   2146		cit_model3_Packet1(gspca_dev, 0x0040, 0x0008);
   2147		cit_model3_Packet1(gspca_dev, 0x0051, 0x000b);
   2148		break;
   2149	case 640:
   2150		cit_model3_Packet1(gspca_dev, 0x001f, 0x0002);	/* !Same */
   2151		cit_model3_Packet1(gspca_dev, 0x0039, 0x003e);	/* !Same */
   2152		cit_model3_Packet1(gspca_dev, 0x0040, 0x0008);
   2153		cit_model3_Packet1(gspca_dev, 0x0051, 0x000a);
   2154		break;
   2155	}
   2156
   2157/*	if (sd->input_index) { */
   2158	if (rca_input) {
   2159		for (i = 0; i < ARRAY_SIZE(rca_initdata); i++) {
   2160			if (rca_initdata[i][0])
   2161				cit_read_reg(gspca_dev, rca_initdata[i][2], 0);
   2162			else
   2163				cit_write_reg(gspca_dev, rca_initdata[i][1],
   2164					      rca_initdata[i][2]);
   2165		}
   2166	}
   2167
   2168	return 0;
   2169}
   2170
   2171static int cit_start_model4(struct gspca_dev *gspca_dev)
   2172{
   2173	struct sd *sd = (struct sd *) gspca_dev;
   2174
   2175	cit_write_reg(gspca_dev, 0x0000, 0x0100);
   2176	cit_write_reg(gspca_dev, 0x00c0, 0x0111);
   2177	cit_write_reg(gspca_dev, 0x00bc, 0x012c);
   2178	cit_write_reg(gspca_dev, 0x0080, 0x012b);
   2179	cit_write_reg(gspca_dev, 0x0000, 0x0108);
   2180	cit_write_reg(gspca_dev, 0x0001, 0x0133);
   2181	cit_write_reg(gspca_dev, 0x009b, 0x010f);
   2182	cit_write_reg(gspca_dev, 0x00bb, 0x010f);
   2183	cit_model4_Packet1(gspca_dev, 0x0038, 0x0000);
   2184	cit_model4_Packet1(gspca_dev, 0x000a, 0x005c);
   2185
   2186	cit_write_reg(gspca_dev, 0x00aa, 0x012d);
   2187	cit_write_reg(gspca_dev, 0x0004, 0x012f);
   2188	cit_write_reg(gspca_dev, 0xd141, 0x0124);
   2189	cit_write_reg(gspca_dev, 0x0000, 0x0127);
   2190	cit_write_reg(gspca_dev, 0x00fb, 0x012e);
   2191	cit_write_reg(gspca_dev, 0x0000, 0x0130);
   2192	cit_write_reg(gspca_dev, 0x8a28, 0x0124);
   2193	cit_write_reg(gspca_dev, 0x00aa, 0x012f);
   2194	cit_write_reg(gspca_dev, 0xd055, 0x0124);
   2195	cit_write_reg(gspca_dev, 0x000c, 0x0127);
   2196	cit_write_reg(gspca_dev, 0x0009, 0x012e);
   2197	cit_write_reg(gspca_dev, 0xaa28, 0x0124);
   2198
   2199	cit_write_reg(gspca_dev, 0x00aa, 0x012d);
   2200	cit_write_reg(gspca_dev, 0x0012, 0x012f);
   2201	cit_write_reg(gspca_dev, 0xd141, 0x0124);
   2202	cit_write_reg(gspca_dev, 0x0008, 0x0127);
   2203	cit_write_reg(gspca_dev, 0x00aa, 0x0130);
   2204	cit_write_reg(gspca_dev, 0x82a8, 0x0124);
   2205	cit_write_reg(gspca_dev, 0x002a, 0x012d);
   2206	cit_write_reg(gspca_dev, 0x0000, 0x012f);
   2207	cit_write_reg(gspca_dev, 0xd145, 0x0124);
   2208	cit_write_reg(gspca_dev, 0xfffa, 0x0124);
   2209	cit_model4_Packet1(gspca_dev, 0x0034, 0x0000);
   2210
   2211	switch (gspca_dev->pixfmt.width) {
   2212	case 128: /* 128x96 */
   2213		cit_write_reg(gspca_dev, 0x0070, 0x0119);
   2214		cit_write_reg(gspca_dev, 0x00d0, 0x0111);
   2215		cit_write_reg(gspca_dev, 0x0039, 0x010a);
   2216		cit_write_reg(gspca_dev, 0x0001, 0x0102);
   2217		cit_write_reg(gspca_dev, 0x0028, 0x0103);
   2218		cit_write_reg(gspca_dev, 0x0000, 0x0104);
   2219		cit_write_reg(gspca_dev, 0x001e, 0x0105);
   2220		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
   2221		cit_write_reg(gspca_dev, 0x0016, 0x012f);
   2222		cit_write_reg(gspca_dev, 0xd141, 0x0124);
   2223		cit_write_reg(gspca_dev, 0x000a, 0x0127);
   2224		cit_write_reg(gspca_dev, 0x00aa, 0x0130);
   2225		cit_write_reg(gspca_dev, 0x82a8, 0x0124);
   2226		cit_write_reg(gspca_dev, 0x0014, 0x012d);
   2227		cit_write_reg(gspca_dev, 0x0008, 0x012f);
   2228		cit_write_reg(gspca_dev, 0xd145, 0x0124);
   2229		cit_write_reg(gspca_dev, 0x00aa, 0x012e);
   2230		cit_write_reg(gspca_dev, 0x001a, 0x0130);
   2231		cit_write_reg(gspca_dev, 0x8a0a, 0x0124);
   2232		cit_write_reg(gspca_dev, 0x005a, 0x012d);
   2233		cit_write_reg(gspca_dev, 0x9545, 0x0124);
   2234		cit_write_reg(gspca_dev, 0x00aa, 0x0127);
   2235		cit_write_reg(gspca_dev, 0x0018, 0x012e);
   2236		cit_write_reg(gspca_dev, 0x0043, 0x0130);
   2237		cit_write_reg(gspca_dev, 0x8a28, 0x0124);
   2238		cit_write_reg(gspca_dev, 0x00aa, 0x012f);
   2239		cit_write_reg(gspca_dev, 0xd055, 0x0124);
   2240		cit_write_reg(gspca_dev, 0x001c, 0x0127);
   2241		cit_write_reg(gspca_dev, 0x00eb, 0x012e);
   2242		cit_write_reg(gspca_dev, 0xaa28, 0x0124);
   2243		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
   2244		cit_write_reg(gspca_dev, 0x0032, 0x012f);
   2245		cit_write_reg(gspca_dev, 0xd141, 0x0124);
   2246		cit_write_reg(gspca_dev, 0x0000, 0x0127);
   2247		cit_write_reg(gspca_dev, 0x00aa, 0x0130);
   2248		cit_write_reg(gspca_dev, 0x82a8, 0x0124);
   2249		cit_write_reg(gspca_dev, 0x0036, 0x012d);
   2250		cit_write_reg(gspca_dev, 0x0008, 0x012f);
   2251		cit_write_reg(gspca_dev, 0xd145, 0x0124);
   2252		cit_write_reg(gspca_dev, 0xfffa, 0x0124);
   2253		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
   2254		cit_write_reg(gspca_dev, 0x001e, 0x012f);
   2255		cit_write_reg(gspca_dev, 0xd141, 0x0124);
   2256		cit_write_reg(gspca_dev, 0x0017, 0x0127);
   2257		cit_write_reg(gspca_dev, 0x0013, 0x012e);
   2258		cit_write_reg(gspca_dev, 0x0031, 0x0130);
   2259		cit_write_reg(gspca_dev, 0x8a28, 0x0124);
   2260		cit_write_reg(gspca_dev, 0x0017, 0x012d);
   2261		cit_write_reg(gspca_dev, 0x0078, 0x012f);
   2262		cit_write_reg(gspca_dev, 0xd145, 0x0124);
   2263		cit_write_reg(gspca_dev, 0x0000, 0x0127);
   2264		cit_write_reg(gspca_dev, 0xfea8, 0x0124);
   2265		sd->sof_len = 2;
   2266		break;
   2267	case 160: /* 160x120 */
   2268		cit_write_reg(gspca_dev, 0x0038, 0x0119);
   2269		cit_write_reg(gspca_dev, 0x00d0, 0x0111);
   2270		cit_write_reg(gspca_dev, 0x00b9, 0x010a);
   2271		cit_write_reg(gspca_dev, 0x0001, 0x0102);
   2272		cit_write_reg(gspca_dev, 0x0028, 0x0103);
   2273		cit_write_reg(gspca_dev, 0x0000, 0x0104);
   2274		cit_write_reg(gspca_dev, 0x001e, 0x0105);
   2275		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
   2276		cit_write_reg(gspca_dev, 0x0016, 0x012f);
   2277		cit_write_reg(gspca_dev, 0xd141, 0x0124);
   2278		cit_write_reg(gspca_dev, 0x000b, 0x0127);
   2279		cit_write_reg(gspca_dev, 0x00aa, 0x0130);
   2280		cit_write_reg(gspca_dev, 0x82a8, 0x0124);
   2281		cit_write_reg(gspca_dev, 0x0014, 0x012d);
   2282		cit_write_reg(gspca_dev, 0x0008, 0x012f);
   2283		cit_write_reg(gspca_dev, 0xd145, 0x0124);
   2284		cit_write_reg(gspca_dev, 0x00aa, 0x012e);
   2285		cit_write_reg(gspca_dev, 0x001a, 0x0130);
   2286		cit_write_reg(gspca_dev, 0x8a0a, 0x0124);
   2287		cit_write_reg(gspca_dev, 0x005a, 0x012d);
   2288		cit_write_reg(gspca_dev, 0x9545, 0x0124);
   2289		cit_write_reg(gspca_dev, 0x00aa, 0x0127);
   2290		cit_write_reg(gspca_dev, 0x0018, 0x012e);
   2291		cit_write_reg(gspca_dev, 0x0043, 0x0130);
   2292		cit_write_reg(gspca_dev, 0x8a28, 0x0124);
   2293		cit_write_reg(gspca_dev, 0x00aa, 0x012f);
   2294		cit_write_reg(gspca_dev, 0xd055, 0x0124);
   2295		cit_write_reg(gspca_dev, 0x001c, 0x0127);
   2296		cit_write_reg(gspca_dev, 0x00c7, 0x012e);
   2297		cit_write_reg(gspca_dev, 0xaa28, 0x0124);
   2298		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
   2299		cit_write_reg(gspca_dev, 0x0032, 0x012f);
   2300		cit_write_reg(gspca_dev, 0xd141, 0x0124);
   2301		cit_write_reg(gspca_dev, 0x0025, 0x0127);
   2302		cit_write_reg(gspca_dev, 0x00aa, 0x0130);
   2303		cit_write_reg(gspca_dev, 0x82a8, 0x0124);
   2304		cit_write_reg(gspca_dev, 0x0036, 0x012d);
   2305		cit_write_reg(gspca_dev, 0x0008, 0x012f);
   2306		cit_write_reg(gspca_dev, 0xd145, 0x0124);
   2307		cit_write_reg(gspca_dev, 0xfffa, 0x0124);
   2308		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
   2309		cit_write_reg(gspca_dev, 0x001e, 0x012f);
   2310		cit_write_reg(gspca_dev, 0xd141, 0x0124);
   2311		cit_write_reg(gspca_dev, 0x0048, 0x0127);
   2312		cit_write_reg(gspca_dev, 0x0035, 0x012e);
   2313		cit_write_reg(gspca_dev, 0x00d0, 0x0130);
   2314		cit_write_reg(gspca_dev, 0x8a28, 0x0124);
   2315		cit_write_reg(gspca_dev, 0x0048, 0x012d);
   2316		cit_write_reg(gspca_dev, 0x0090, 0x012f);
   2317		cit_write_reg(gspca_dev, 0xd145, 0x0124);
   2318		cit_write_reg(gspca_dev, 0x0001, 0x0127);
   2319		cit_write_reg(gspca_dev, 0xfea8, 0x0124);
   2320		sd->sof_len = 2;
   2321		break;
   2322	case 176: /* 176x144 */
   2323		cit_write_reg(gspca_dev, 0x0038, 0x0119);
   2324		cit_write_reg(gspca_dev, 0x00d0, 0x0111);
   2325		cit_write_reg(gspca_dev, 0x00b9, 0x010a);
   2326		cit_write_reg(gspca_dev, 0x0001, 0x0102);
   2327		cit_write_reg(gspca_dev, 0x002c, 0x0103);
   2328		cit_write_reg(gspca_dev, 0x0000, 0x0104);
   2329		cit_write_reg(gspca_dev, 0x0024, 0x0105);
   2330		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
   2331		cit_write_reg(gspca_dev, 0x0016, 0x012f);
   2332		cit_write_reg(gspca_dev, 0xd141, 0x0124);
   2333		cit_write_reg(gspca_dev, 0x0007, 0x0127);
   2334		cit_write_reg(gspca_dev, 0x00aa, 0x0130);
   2335		cit_write_reg(gspca_dev, 0x82a8, 0x0124);
   2336		cit_write_reg(gspca_dev, 0x0014, 0x012d);
   2337		cit_write_reg(gspca_dev, 0x0001, 0x012f);
   2338		cit_write_reg(gspca_dev, 0xd145, 0x0124);
   2339		cit_write_reg(gspca_dev, 0x00aa, 0x012e);
   2340		cit_write_reg(gspca_dev, 0x001a, 0x0130);
   2341		cit_write_reg(gspca_dev, 0x8a0a, 0x0124);
   2342		cit_write_reg(gspca_dev, 0x005e, 0x012d);
   2343		cit_write_reg(gspca_dev, 0x9545, 0x0124);
   2344		cit_write_reg(gspca_dev, 0x00aa, 0x0127);
   2345		cit_write_reg(gspca_dev, 0x0018, 0x012e);
   2346		cit_write_reg(gspca_dev, 0x0049, 0x0130);
   2347		cit_write_reg(gspca_dev, 0x8a28, 0x0124);
   2348		cit_write_reg(gspca_dev, 0x00aa, 0x012f);
   2349		cit_write_reg(gspca_dev, 0xd055, 0x0124);
   2350		cit_write_reg(gspca_dev, 0x001c, 0x0127);
   2351		cit_write_reg(gspca_dev, 0x00c7, 0x012e);
   2352		cit_write_reg(gspca_dev, 0xaa28, 0x0124);
   2353		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
   2354		cit_write_reg(gspca_dev, 0x0032, 0x012f);
   2355		cit_write_reg(gspca_dev, 0xd141, 0x0124);
   2356		cit_write_reg(gspca_dev, 0x0028, 0x0127);
   2357		cit_write_reg(gspca_dev, 0x00aa, 0x0130);
   2358		cit_write_reg(gspca_dev, 0x82a8, 0x0124);
   2359		cit_write_reg(gspca_dev, 0x0036, 0x012d);
   2360		cit_write_reg(gspca_dev, 0x0008, 0x012f);
   2361		cit_write_reg(gspca_dev, 0xd145, 0x0124);
   2362		cit_write_reg(gspca_dev, 0xfffa, 0x0124);
   2363		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
   2364		cit_write_reg(gspca_dev, 0x001e, 0x012f);
   2365		cit_write_reg(gspca_dev, 0xd141, 0x0124);
   2366		cit_write_reg(gspca_dev, 0x0010, 0x0127);
   2367		cit_write_reg(gspca_dev, 0x0013, 0x012e);
   2368		cit_write_reg(gspca_dev, 0x002a, 0x0130);
   2369		cit_write_reg(gspca_dev, 0x8a28, 0x0124);
   2370		cit_write_reg(gspca_dev, 0x0010, 0x012d);
   2371		cit_write_reg(gspca_dev, 0x006d, 0x012f);
   2372		cit_write_reg(gspca_dev, 0xd145, 0x0124);
   2373		cit_write_reg(gspca_dev, 0x0001, 0x0127);
   2374		cit_write_reg(gspca_dev, 0xfea8, 0x0124);
   2375		/* TESTME HDG: this does not seem right
   2376		   (it is 2 for all other resolutions) */
   2377		sd->sof_len = 10;
   2378		break;
   2379	case 320: /* 320x240 */
   2380		cit_write_reg(gspca_dev, 0x0070, 0x0119);
   2381		cit_write_reg(gspca_dev, 0x00d0, 0x0111);
   2382		cit_write_reg(gspca_dev, 0x0039, 0x010a);
   2383		cit_write_reg(gspca_dev, 0x0001, 0x0102);
   2384		cit_write_reg(gspca_dev, 0x0028, 0x0103);
   2385		cit_write_reg(gspca_dev, 0x0000, 0x0104);
   2386		cit_write_reg(gspca_dev, 0x001e, 0x0105);
   2387		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
   2388		cit_write_reg(gspca_dev, 0x0016, 0x012f);
   2389		cit_write_reg(gspca_dev, 0xd141, 0x0124);
   2390		cit_write_reg(gspca_dev, 0x000a, 0x0127);
   2391		cit_write_reg(gspca_dev, 0x00aa, 0x0130);
   2392		cit_write_reg(gspca_dev, 0x82a8, 0x0124);
   2393		cit_write_reg(gspca_dev, 0x0014, 0x012d);
   2394		cit_write_reg(gspca_dev, 0x0008, 0x012f);
   2395		cit_write_reg(gspca_dev, 0xd145, 0x0124);
   2396		cit_write_reg(gspca_dev, 0x00aa, 0x012e);
   2397		cit_write_reg(gspca_dev, 0x001a, 0x0130);
   2398		cit_write_reg(gspca_dev, 0x8a0a, 0x0124);
   2399		cit_write_reg(gspca_dev, 0x005a, 0x012d);
   2400		cit_write_reg(gspca_dev, 0x9545, 0x0124);
   2401		cit_write_reg(gspca_dev, 0x00aa, 0x0127);
   2402		cit_write_reg(gspca_dev, 0x0018, 0x012e);
   2403		cit_write_reg(gspca_dev, 0x0043, 0x0130);
   2404		cit_write_reg(gspca_dev, 0x8a28, 0x0124);
   2405		cit_write_reg(gspca_dev, 0x00aa, 0x012f);
   2406		cit_write_reg(gspca_dev, 0xd055, 0x0124);
   2407		cit_write_reg(gspca_dev, 0x001c, 0x0127);
   2408		cit_write_reg(gspca_dev, 0x00eb, 0x012e);
   2409		cit_write_reg(gspca_dev, 0xaa28, 0x0124);
   2410		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
   2411		cit_write_reg(gspca_dev, 0x0032, 0x012f);
   2412		cit_write_reg(gspca_dev, 0xd141, 0x0124);
   2413		cit_write_reg(gspca_dev, 0x0000, 0x0127);
   2414		cit_write_reg(gspca_dev, 0x00aa, 0x0130);
   2415		cit_write_reg(gspca_dev, 0x82a8, 0x0124);
   2416		cit_write_reg(gspca_dev, 0x0036, 0x012d);
   2417		cit_write_reg(gspca_dev, 0x0008, 0x012f);
   2418		cit_write_reg(gspca_dev, 0xd145, 0x0124);
   2419		cit_write_reg(gspca_dev, 0xfffa, 0x0124);
   2420		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
   2421		cit_write_reg(gspca_dev, 0x001e, 0x012f);
   2422		cit_write_reg(gspca_dev, 0xd141, 0x0124);
   2423		cit_write_reg(gspca_dev, 0x0017, 0x0127);
   2424		cit_write_reg(gspca_dev, 0x0013, 0x012e);
   2425		cit_write_reg(gspca_dev, 0x0031, 0x0130);
   2426		cit_write_reg(gspca_dev, 0x8a28, 0x0124);
   2427		cit_write_reg(gspca_dev, 0x0017, 0x012d);
   2428		cit_write_reg(gspca_dev, 0x0078, 0x012f);
   2429		cit_write_reg(gspca_dev, 0xd145, 0x0124);
   2430		cit_write_reg(gspca_dev, 0x0000, 0x0127);
   2431		cit_write_reg(gspca_dev, 0xfea8, 0x0124);
   2432		sd->sof_len = 2;
   2433		break;
   2434	case 352: /* 352x288 */
   2435		cit_write_reg(gspca_dev, 0x0070, 0x0119);
   2436		cit_write_reg(gspca_dev, 0x00c0, 0x0111);
   2437		cit_write_reg(gspca_dev, 0x0039, 0x010a);
   2438		cit_write_reg(gspca_dev, 0x0001, 0x0102);
   2439		cit_write_reg(gspca_dev, 0x002c, 0x0103);
   2440		cit_write_reg(gspca_dev, 0x0000, 0x0104);
   2441		cit_write_reg(gspca_dev, 0x0024, 0x0105);
   2442		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
   2443		cit_write_reg(gspca_dev, 0x0016, 0x012f);
   2444		cit_write_reg(gspca_dev, 0xd141, 0x0124);
   2445		cit_write_reg(gspca_dev, 0x0006, 0x0127);
   2446		cit_write_reg(gspca_dev, 0x00aa, 0x0130);
   2447		cit_write_reg(gspca_dev, 0x82a8, 0x0124);
   2448		cit_write_reg(gspca_dev, 0x0014, 0x012d);
   2449		cit_write_reg(gspca_dev, 0x0002, 0x012f);
   2450		cit_write_reg(gspca_dev, 0xd145, 0x0124);
   2451		cit_write_reg(gspca_dev, 0x00aa, 0x012e);
   2452		cit_write_reg(gspca_dev, 0x001a, 0x0130);
   2453		cit_write_reg(gspca_dev, 0x8a0a, 0x0124);
   2454		cit_write_reg(gspca_dev, 0x005e, 0x012d);
   2455		cit_write_reg(gspca_dev, 0x9545, 0x0124);
   2456		cit_write_reg(gspca_dev, 0x00aa, 0x0127);
   2457		cit_write_reg(gspca_dev, 0x0018, 0x012e);
   2458		cit_write_reg(gspca_dev, 0x0049, 0x0130);
   2459		cit_write_reg(gspca_dev, 0x8a28, 0x0124);
   2460		cit_write_reg(gspca_dev, 0x00aa, 0x012f);
   2461		cit_write_reg(gspca_dev, 0xd055, 0x0124);
   2462		cit_write_reg(gspca_dev, 0x001c, 0x0127);
   2463		cit_write_reg(gspca_dev, 0x00cf, 0x012e);
   2464		cit_write_reg(gspca_dev, 0xaa28, 0x0124);
   2465		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
   2466		cit_write_reg(gspca_dev, 0x0032, 0x012f);
   2467		cit_write_reg(gspca_dev, 0xd141, 0x0124);
   2468		cit_write_reg(gspca_dev, 0x0000, 0x0127);
   2469		cit_write_reg(gspca_dev, 0x00aa, 0x0130);
   2470		cit_write_reg(gspca_dev, 0x82a8, 0x0124);
   2471		cit_write_reg(gspca_dev, 0x0036, 0x012d);
   2472		cit_write_reg(gspca_dev, 0x0008, 0x012f);
   2473		cit_write_reg(gspca_dev, 0xd145, 0x0124);
   2474		cit_write_reg(gspca_dev, 0xfffa, 0x0124);
   2475		cit_write_reg(gspca_dev, 0x00aa, 0x012d);
   2476		cit_write_reg(gspca_dev, 0x001e, 0x012f);
   2477		cit_write_reg(gspca_dev, 0xd141, 0x0124);
   2478		cit_write_reg(gspca_dev, 0x0010, 0x0127);
   2479		cit_write_reg(gspca_dev, 0x0013, 0x012e);
   2480		cit_write_reg(gspca_dev, 0x0025, 0x0130);
   2481		cit_write_reg(gspca_dev, 0x8a28, 0x0124);
   2482		cit_write_reg(gspca_dev, 0x0010, 0x012d);
   2483		cit_write_reg(gspca_dev, 0x0048, 0x012f);
   2484		cit_write_reg(gspca_dev, 0xd145, 0x0124);
   2485		cit_write_reg(gspca_dev, 0x0000, 0x0127);
   2486		cit_write_reg(gspca_dev, 0xfea8, 0x0124);
   2487		sd->sof_len = 2;
   2488		break;
   2489	}
   2490
   2491	cit_model4_Packet1(gspca_dev, 0x0038, 0x0004);
   2492
   2493	return 0;
   2494}
   2495
   2496static int cit_start_ibm_netcam_pro(struct gspca_dev *gspca_dev)
   2497{
   2498	const unsigned short compression = 0; /* 0=none, 7=best frame rate */
   2499	int i, clock_div;
   2500
   2501	clock_div = cit_get_clock_div(gspca_dev);
   2502	if (clock_div < 0)
   2503		return clock_div;
   2504
   2505	cit_write_reg(gspca_dev, 0x0003, 0x0133);
   2506	cit_write_reg(gspca_dev, 0x0000, 0x0117);
   2507	cit_write_reg(gspca_dev, 0x0008, 0x0123);
   2508	cit_write_reg(gspca_dev, 0x0000, 0x0100);
   2509	cit_write_reg(gspca_dev, 0x0060, 0x0116);
   2510	/* cit_write_reg(gspca_dev, 0x0002, 0x0112); see sd_stop0 */
   2511	cit_write_reg(gspca_dev, 0x0000, 0x0133);
   2512	cit_write_reg(gspca_dev, 0x0000, 0x0123);
   2513	cit_write_reg(gspca_dev, 0x0001, 0x0117);
   2514	cit_write_reg(gspca_dev, 0x0040, 0x0108);
   2515	cit_write_reg(gspca_dev, 0x0019, 0x012c);
   2516	cit_write_reg(gspca_dev, 0x0060, 0x0116);
   2517	/* cit_write_reg(gspca_dev, 0x000b, 0x0115); see sd_stop0 */
   2518
   2519	cit_model3_Packet1(gspca_dev, 0x0049, 0x0000);
   2520
   2521	cit_write_reg(gspca_dev, 0x0000, 0x0101); /* Same on 160x120, 320x240 */
   2522	cit_write_reg(gspca_dev, 0x003a, 0x0102); /* Hstart */
   2523	cit_write_reg(gspca_dev, 0x00a0, 0x0103); /* Same on 160x120, 320x240 */
   2524	cit_write_reg(gspca_dev, 0x0078, 0x0105); /* Same on 160x120, 320x240 */
   2525	cit_write_reg(gspca_dev, 0x0000, 0x010a); /* Same */
   2526	cit_write_reg(gspca_dev, 0x0002, 0x011d); /* Same on 160x120, 320x240 */
   2527	cit_write_reg(gspca_dev, 0x0000, 0x0129); /* Same */
   2528	cit_write_reg(gspca_dev, 0x00fc, 0x012b); /* Same */
   2529	cit_write_reg(gspca_dev, 0x0022, 0x012a); /* Same */
   2530
   2531	switch (gspca_dev->pixfmt.width) {
   2532	case 160: /* 160x120 */
   2533		cit_write_reg(gspca_dev, 0x0024, 0x010b);
   2534		cit_write_reg(gspca_dev, 0x0089, 0x0119);
   2535		cit_write_reg(gspca_dev, 0x000a, 0x011b);
   2536		cit_write_reg(gspca_dev, 0x0003, 0x011e);
   2537		cit_write_reg(gspca_dev, 0x0007, 0x0104);
   2538		cit_write_reg(gspca_dev, 0x0009, 0x011a);
   2539		cit_write_reg(gspca_dev, 0x008b, 0x011c);
   2540		cit_write_reg(gspca_dev, 0x0008, 0x0118);
   2541		cit_write_reg(gspca_dev, 0x0000, 0x0132);
   2542		break;
   2543	case 320: /* 320x240 */
   2544		cit_write_reg(gspca_dev, 0x0028, 0x010b);
   2545		cit_write_reg(gspca_dev, 0x00d9, 0x0119);
   2546		cit_write_reg(gspca_dev, 0x0006, 0x011b);
   2547		cit_write_reg(gspca_dev, 0x0000, 0x011e);
   2548		cit_write_reg(gspca_dev, 0x000e, 0x0104);
   2549		cit_write_reg(gspca_dev, 0x0004, 0x011a);
   2550		cit_write_reg(gspca_dev, 0x003f, 0x011c);
   2551		cit_write_reg(gspca_dev, 0x000c, 0x0118);
   2552		cit_write_reg(gspca_dev, 0x0000, 0x0132);
   2553		break;
   2554	}
   2555
   2556	cit_model3_Packet1(gspca_dev, 0x0019, 0x0031);
   2557	cit_model3_Packet1(gspca_dev, 0x001a, 0x0003);
   2558	cit_model3_Packet1(gspca_dev, 0x001b, 0x0038);
   2559	cit_model3_Packet1(gspca_dev, 0x001c, 0x0000);
   2560	cit_model3_Packet1(gspca_dev, 0x0024, 0x0001);
   2561	cit_model3_Packet1(gspca_dev, 0x0027, 0x0001);
   2562	cit_model3_Packet1(gspca_dev, 0x002a, 0x0004);
   2563	cit_model3_Packet1(gspca_dev, 0x0035, 0x000b);
   2564	cit_model3_Packet1(gspca_dev, 0x003f, 0x0001);
   2565	cit_model3_Packet1(gspca_dev, 0x0044, 0x0000);
   2566	cit_model3_Packet1(gspca_dev, 0x0054, 0x0000);
   2567	cit_model3_Packet1(gspca_dev, 0x00c4, 0x0000);
   2568	cit_model3_Packet1(gspca_dev, 0x00e7, 0x0001);
   2569	cit_model3_Packet1(gspca_dev, 0x00e9, 0x0001);
   2570	cit_model3_Packet1(gspca_dev, 0x00ee, 0x0000);
   2571	cit_model3_Packet1(gspca_dev, 0x00f3, 0x00c0);
   2572
   2573	cit_write_reg(gspca_dev, compression, 0x0109);
   2574	cit_write_reg(gspca_dev, clock_div, 0x0111);
   2575
   2576/*	if (sd->input_index) { */
   2577	if (rca_input) {
   2578		for (i = 0; i < ARRAY_SIZE(rca_initdata); i++) {
   2579			if (rca_initdata[i][0])
   2580				cit_read_reg(gspca_dev, rca_initdata[i][2], 0);
   2581			else
   2582				cit_write_reg(gspca_dev, rca_initdata[i][1],
   2583					      rca_initdata[i][2]);
   2584		}
   2585	}
   2586
   2587	return 0;
   2588}
   2589
   2590/* -- start the camera -- */
   2591static int sd_start(struct gspca_dev *gspca_dev)
   2592{
   2593	struct sd *sd = (struct sd *) gspca_dev;
   2594	int packet_size;
   2595
   2596	packet_size = cit_get_packet_size(gspca_dev);
   2597	if (packet_size < 0)
   2598		return packet_size;
   2599
   2600	switch (sd->model) {
   2601	case CIT_MODEL0:
   2602		cit_start_model0(gspca_dev);
   2603		break;
   2604	case CIT_MODEL1:
   2605		cit_start_model1(gspca_dev);
   2606		break;
   2607	case CIT_MODEL2:
   2608		cit_start_model2(gspca_dev);
   2609		break;
   2610	case CIT_MODEL3:
   2611		cit_start_model3(gspca_dev);
   2612		break;
   2613	case CIT_MODEL4:
   2614		cit_start_model4(gspca_dev);
   2615		break;
   2616	case CIT_IBM_NETCAM_PRO:
   2617		cit_start_ibm_netcam_pro(gspca_dev);
   2618		break;
   2619	}
   2620
   2621	/* Program max isoc packet size */
   2622	cit_write_reg(gspca_dev, packet_size >> 8, 0x0106);
   2623	cit_write_reg(gspca_dev, packet_size & 0xff, 0x0107);
   2624
   2625	cit_restart_stream(gspca_dev);
   2626
   2627	return 0;
   2628}
   2629
   2630static int sd_isoc_init(struct gspca_dev *gspca_dev)
   2631{
   2632	struct usb_interface_cache *intfc;
   2633	struct usb_host_interface *alt;
   2634	int max_packet_size;
   2635
   2636	switch (gspca_dev->pixfmt.width) {
   2637	case 160:
   2638		max_packet_size = 450;
   2639		break;
   2640	case 176:
   2641		max_packet_size = 600;
   2642		break;
   2643	default:
   2644		max_packet_size = 1022;
   2645		break;
   2646	}
   2647
   2648	intfc = gspca_dev->dev->actconfig->intf_cache[0];
   2649
   2650	if (intfc->num_altsetting < 2)
   2651		return -ENODEV;
   2652
   2653	alt = &intfc->altsetting[1];
   2654
   2655	if (alt->desc.bNumEndpoints < 1)
   2656		return -ENODEV;
   2657
   2658	/* Start isoc bandwidth "negotiation" at max isoc bandwidth */
   2659	alt->endpoint[0].desc.wMaxPacketSize = cpu_to_le16(max_packet_size);
   2660
   2661	return 0;
   2662}
   2663
   2664static int sd_isoc_nego(struct gspca_dev *gspca_dev)
   2665{
   2666	int ret, packet_size, min_packet_size;
   2667	struct usb_host_interface *alt;
   2668
   2669	switch (gspca_dev->pixfmt.width) {
   2670	case 160:
   2671		min_packet_size = 200;
   2672		break;
   2673	case 176:
   2674		min_packet_size = 266;
   2675		break;
   2676	default:
   2677		min_packet_size = 400;
   2678		break;
   2679	}
   2680
   2681	/*
   2682	 * Existence of altsetting and endpoint was verified in sd_isoc_init()
   2683	 */
   2684	alt = &gspca_dev->dev->actconfig->intf_cache[0]->altsetting[1];
   2685	packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
   2686	if (packet_size <= min_packet_size)
   2687		return -EIO;
   2688
   2689	packet_size -= 100;
   2690	if (packet_size < min_packet_size)
   2691		packet_size = min_packet_size;
   2692	alt->endpoint[0].desc.wMaxPacketSize = cpu_to_le16(packet_size);
   2693
   2694	ret = usb_set_interface(gspca_dev->dev, gspca_dev->iface, 1);
   2695	if (ret < 0)
   2696		pr_err("set alt 1 err %d\n", ret);
   2697
   2698	return ret;
   2699}
   2700
   2701static void sd_stopN(struct gspca_dev *gspca_dev)
   2702{
   2703	cit_write_reg(gspca_dev, 0x0000, 0x010c);
   2704}
   2705
   2706static void sd_stop0(struct gspca_dev *gspca_dev)
   2707{
   2708	struct sd *sd = (struct sd *) gspca_dev;
   2709
   2710	if (!gspca_dev->present)
   2711		return;
   2712
   2713	switch (sd->model) {
   2714	case CIT_MODEL0:
   2715		/* HDG windows does this, but it causes the cams autogain to
   2716		   restart from a gain of 0, which does not look good when
   2717		   changing resolutions. */
   2718		/* cit_write_reg(gspca_dev, 0x0000, 0x0112); */
   2719		cit_write_reg(gspca_dev, 0x00c0, 0x0100); /* LED Off */
   2720		break;
   2721	case CIT_MODEL1:
   2722		cit_send_FF_04_02(gspca_dev);
   2723		cit_read_reg(gspca_dev, 0x0100, 0);
   2724		cit_write_reg(gspca_dev, 0x81, 0x0100);	/* LED Off */
   2725		break;
   2726	case CIT_MODEL2:
   2727		v4l2_ctrl_grab(sd->lighting, false);
   2728		fallthrough;
   2729	case CIT_MODEL4:
   2730		cit_model2_Packet1(gspca_dev, 0x0030, 0x0004);
   2731
   2732		cit_write_reg(gspca_dev, 0x0080, 0x0100);	/* LED Off */
   2733		cit_write_reg(gspca_dev, 0x0020, 0x0111);
   2734		cit_write_reg(gspca_dev, 0x00a0, 0x0111);
   2735
   2736		cit_model2_Packet1(gspca_dev, 0x0030, 0x0002);
   2737
   2738		cit_write_reg(gspca_dev, 0x0020, 0x0111);
   2739		cit_write_reg(gspca_dev, 0x0000, 0x0112);
   2740		break;
   2741	case CIT_MODEL3:
   2742		cit_write_reg(gspca_dev, 0x0006, 0x012c);
   2743		cit_model3_Packet1(gspca_dev, 0x0046, 0x0000);
   2744		cit_read_reg(gspca_dev, 0x0116, 0);
   2745		cit_write_reg(gspca_dev, 0x0064, 0x0116);
   2746		cit_read_reg(gspca_dev, 0x0115, 0);
   2747		cit_write_reg(gspca_dev, 0x0003, 0x0115);
   2748		cit_write_reg(gspca_dev, 0x0008, 0x0123);
   2749		cit_write_reg(gspca_dev, 0x0000, 0x0117);
   2750		cit_write_reg(gspca_dev, 0x0000, 0x0112);
   2751		cit_write_reg(gspca_dev, 0x0080, 0x0100);
   2752		break;
   2753	case CIT_IBM_NETCAM_PRO:
   2754		cit_model3_Packet1(gspca_dev, 0x0049, 0x00ff);
   2755		cit_write_reg(gspca_dev, 0x0006, 0x012c);
   2756		cit_write_reg(gspca_dev, 0x0000, 0x0116);
   2757		/* HDG windows does this, but I cannot get the camera
   2758		   to restart with this without redoing the entire init
   2759		   sequence which makes switching modes really slow */
   2760		/* cit_write_reg(gspca_dev, 0x0006, 0x0115); */
   2761		cit_write_reg(gspca_dev, 0x0008, 0x0123);
   2762		cit_write_reg(gspca_dev, 0x0000, 0x0117);
   2763		cit_write_reg(gspca_dev, 0x0003, 0x0133);
   2764		cit_write_reg(gspca_dev, 0x0000, 0x0111);
   2765		/* HDG windows does this, but I get a green picture when
   2766		   restarting the stream after this */
   2767		/* cit_write_reg(gspca_dev, 0x0000, 0x0112); */
   2768		cit_write_reg(gspca_dev, 0x00c0, 0x0100);
   2769		break;
   2770	}
   2771
   2772#if IS_ENABLED(CONFIG_INPUT)
   2773	/* If the last button state is pressed, release it now! */
   2774	if (sd->button_state) {
   2775		input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0);
   2776		input_sync(gspca_dev->input_dev);
   2777		sd->button_state = 0;
   2778	}
   2779#endif
   2780}
   2781
   2782static u8 *cit_find_sof(struct gspca_dev *gspca_dev, u8 *data, int len)
   2783{
   2784	struct sd *sd = (struct sd *) gspca_dev;
   2785	u8 byte3 = 0, byte4 = 0;
   2786	int i;
   2787
   2788	switch (sd->model) {
   2789	case CIT_MODEL0:
   2790	case CIT_MODEL1:
   2791	case CIT_MODEL3:
   2792	case CIT_IBM_NETCAM_PRO:
   2793		switch (gspca_dev->pixfmt.width) {
   2794		case 160: /* 160x120 */
   2795			byte3 = 0x02;
   2796			byte4 = 0x0a;
   2797			break;
   2798		case 176: /* 176x144 */
   2799			byte3 = 0x02;
   2800			byte4 = 0x0e;
   2801			break;
   2802		case 320: /* 320x240 */
   2803			byte3 = 0x02;
   2804			byte4 = 0x08;
   2805			break;
   2806		case 352: /* 352x288 */
   2807			byte3 = 0x02;
   2808			byte4 = 0x00;
   2809			break;
   2810		case 640:
   2811			byte3 = 0x03;
   2812			byte4 = 0x08;
   2813			break;
   2814		}
   2815
   2816		/* These have a different byte3 */
   2817		if (sd->model <= CIT_MODEL1)
   2818			byte3 = 0x00;
   2819
   2820		for (i = 0; i < len; i++) {
   2821			/* For this model the SOF always starts at offset 0
   2822			   so no need to search the entire frame */
   2823			if (sd->model == CIT_MODEL0 && sd->sof_read != i)
   2824				break;
   2825
   2826			switch (sd->sof_read) {
   2827			case 0:
   2828				if (data[i] == 0x00)
   2829					sd->sof_read++;
   2830				break;
   2831			case 1:
   2832				if (data[i] == 0xff)
   2833					sd->sof_read++;
   2834				else if (data[i] == 0x00)
   2835					sd->sof_read = 1;
   2836				else
   2837					sd->sof_read = 0;
   2838				break;
   2839			case 2:
   2840				if (data[i] == byte3)
   2841					sd->sof_read++;
   2842				else if (data[i] == 0x00)
   2843					sd->sof_read = 1;
   2844				else
   2845					sd->sof_read = 0;
   2846				break;
   2847			case 3:
   2848				if (data[i] == byte4) {
   2849					sd->sof_read = 0;
   2850					return data + i + (sd->sof_len - 3);
   2851				}
   2852				if (byte3 == 0x00 && data[i] == 0xff)
   2853					sd->sof_read = 2;
   2854				else if (data[i] == 0x00)
   2855					sd->sof_read = 1;
   2856				else
   2857					sd->sof_read = 0;
   2858				break;
   2859			}
   2860		}
   2861		break;
   2862	case CIT_MODEL2:
   2863	case CIT_MODEL4:
   2864		/* TESTME we need to find a longer sof signature to avoid
   2865		   false positives */
   2866		for (i = 0; i < len; i++) {
   2867			switch (sd->sof_read) {
   2868			case 0:
   2869				if (data[i] == 0x00)
   2870					sd->sof_read++;
   2871				break;
   2872			case 1:
   2873				sd->sof_read = 0;
   2874				if (data[i] == 0xff) {
   2875					if (i >= 4)
   2876						gspca_dbg(gspca_dev, D_FRAM,
   2877							  "header found at offset: %d: %02x %02x 00 %3ph\n\n",
   2878							  i - 1,
   2879							  data[i - 4],
   2880							  data[i - 3],
   2881							  &data[i]);
   2882					else
   2883						gspca_dbg(gspca_dev, D_FRAM,
   2884							  "header found at offset: %d: 00 %3ph\n\n",
   2885							  i - 1,
   2886							  &data[i]);
   2887					return data + i + (sd->sof_len - 1);
   2888				}
   2889				break;
   2890			}
   2891		}
   2892		break;
   2893	}
   2894	return NULL;
   2895}
   2896
   2897static void sd_pkt_scan(struct gspca_dev *gspca_dev,
   2898			u8 *data, int len)
   2899{
   2900	struct sd *sd = (struct sd *) gspca_dev;
   2901	unsigned char *sof;
   2902
   2903	sof = cit_find_sof(gspca_dev, data, len);
   2904	if (sof) {
   2905		int n;
   2906
   2907		/* finish decoding current frame */
   2908		n = sof - data;
   2909		if (n > sd->sof_len)
   2910			n -= sd->sof_len;
   2911		else
   2912			n = 0;
   2913		gspca_frame_add(gspca_dev, LAST_PACKET,
   2914				data, n);
   2915		gspca_frame_add(gspca_dev, FIRST_PACKET, NULL, 0);
   2916		len -= sof - data;
   2917		data = sof;
   2918	}
   2919
   2920	gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
   2921}
   2922
   2923#if IS_ENABLED(CONFIG_INPUT)
   2924static void cit_check_button(struct gspca_dev *gspca_dev)
   2925{
   2926	int new_button_state;
   2927	struct sd *sd = (struct sd *)gspca_dev;
   2928
   2929	switch (sd->model) {
   2930	case CIT_MODEL3:
   2931	case CIT_IBM_NETCAM_PRO:
   2932		break;
   2933	default: /* TEST ME unknown if this works on other models too */
   2934		return;
   2935	}
   2936
   2937	/* Read the button state */
   2938	cit_read_reg(gspca_dev, 0x0113, 0);
   2939	new_button_state = !gspca_dev->usb_buf[0];
   2940
   2941	/* Tell the cam we've seen the button press, notice that this
   2942	   is a nop (iow the cam keeps reporting pressed) until the
   2943	   button is actually released. */
   2944	if (new_button_state)
   2945		cit_write_reg(gspca_dev, 0x01, 0x0113);
   2946
   2947	if (sd->button_state != new_button_state) {
   2948		input_report_key(gspca_dev->input_dev, KEY_CAMERA,
   2949				 new_button_state);
   2950		input_sync(gspca_dev->input_dev);
   2951		sd->button_state = new_button_state;
   2952	}
   2953}
   2954#endif
   2955
   2956static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
   2957{
   2958	struct gspca_dev *gspca_dev =
   2959		container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
   2960	struct sd *sd = (struct sd *)gspca_dev;
   2961
   2962	gspca_dev->usb_err = 0;
   2963
   2964	if (!gspca_dev->streaming)
   2965		return 0;
   2966
   2967	if (sd->stop_on_control_change)
   2968		sd_stopN(gspca_dev);
   2969	switch (ctrl->id) {
   2970	case V4L2_CID_BRIGHTNESS:
   2971		cit_set_brightness(gspca_dev, ctrl->val);
   2972		break;
   2973	case V4L2_CID_CONTRAST:
   2974		cit_set_contrast(gspca_dev, ctrl->val);
   2975		break;
   2976	case V4L2_CID_HUE:
   2977		cit_set_hue(gspca_dev, ctrl->val);
   2978		break;
   2979	case V4L2_CID_HFLIP:
   2980		cit_set_hflip(gspca_dev, ctrl->val);
   2981		break;
   2982	case V4L2_CID_SHARPNESS:
   2983		cit_set_sharpness(gspca_dev, ctrl->val);
   2984		break;
   2985	case V4L2_CID_BACKLIGHT_COMPENSATION:
   2986		cit_set_lighting(gspca_dev, ctrl->val);
   2987		break;
   2988	}
   2989	if (sd->stop_on_control_change)
   2990		cit_restart_stream(gspca_dev);
   2991	return gspca_dev->usb_err;
   2992}
   2993
   2994static const struct v4l2_ctrl_ops sd_ctrl_ops = {
   2995	.s_ctrl = sd_s_ctrl,
   2996};
   2997
   2998static int sd_init_controls(struct gspca_dev *gspca_dev)
   2999{
   3000	struct sd *sd = (struct sd *)gspca_dev;
   3001	struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
   3002	bool has_brightness;
   3003	bool has_contrast;
   3004	bool has_hue;
   3005	bool has_sharpness;
   3006	bool has_lighting;
   3007	bool has_hflip;
   3008
   3009	has_brightness = has_contrast = has_hue =
   3010		has_sharpness = has_hflip = has_lighting = false;
   3011	switch (sd->model) {
   3012	case CIT_MODEL0:
   3013		has_contrast = has_hflip = true;
   3014		break;
   3015	case CIT_MODEL1:
   3016		has_brightness = has_contrast =
   3017			has_sharpness = has_lighting = true;
   3018		break;
   3019	case CIT_MODEL2:
   3020		has_brightness = has_hue = has_lighting = true;
   3021		break;
   3022	case CIT_MODEL3:
   3023		has_brightness = has_contrast = has_sharpness = true;
   3024		break;
   3025	case CIT_MODEL4:
   3026		has_brightness = has_hue = true;
   3027		break;
   3028	case CIT_IBM_NETCAM_PRO:
   3029		has_brightness = has_hue =
   3030			has_sharpness = has_hflip = has_lighting = true;
   3031		break;
   3032	}
   3033	gspca_dev->vdev.ctrl_handler = hdl;
   3034	v4l2_ctrl_handler_init(hdl, 5);
   3035	if (has_brightness)
   3036		v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
   3037			V4L2_CID_BRIGHTNESS, 0, 63, 1, 32);
   3038	if (has_contrast)
   3039		v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
   3040			V4L2_CID_CONTRAST, 0, 20, 1, 10);
   3041	if (has_hue)
   3042		v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
   3043			V4L2_CID_HUE, 0, 127, 1, 63);
   3044	if (has_sharpness)
   3045		v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
   3046			V4L2_CID_SHARPNESS, 0, 6, 1, 3);
   3047	if (has_lighting)
   3048		sd->lighting = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
   3049			V4L2_CID_BACKLIGHT_COMPENSATION, 0, 2, 1, 1);
   3050	if (has_hflip)
   3051		v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
   3052			V4L2_CID_HFLIP, 0, 1, 1, 0);
   3053
   3054	if (hdl->error) {
   3055		pr_err("Could not initialize controls\n");
   3056		return hdl->error;
   3057	}
   3058	return 0;
   3059}
   3060
   3061/* sub-driver description */
   3062static const struct sd_desc sd_desc = {
   3063	.name = MODULE_NAME,
   3064	.config = sd_config,
   3065	.init = sd_init,
   3066	.init_controls = sd_init_controls,
   3067	.start = sd_start,
   3068	.stopN = sd_stopN,
   3069	.stop0 = sd_stop0,
   3070	.pkt_scan = sd_pkt_scan,
   3071#if IS_ENABLED(CONFIG_INPUT)
   3072	.dq_callback = cit_check_button,
   3073	.other_input = 1,
   3074#endif
   3075};
   3076
   3077static const struct sd_desc sd_desc_isoc_nego = {
   3078	.name = MODULE_NAME,
   3079	.config = sd_config,
   3080	.init = sd_init,
   3081	.init_controls = sd_init_controls,
   3082	.start = sd_start,
   3083	.isoc_init = sd_isoc_init,
   3084	.isoc_nego = sd_isoc_nego,
   3085	.stopN = sd_stopN,
   3086	.stop0 = sd_stop0,
   3087	.pkt_scan = sd_pkt_scan,
   3088#if IS_ENABLED(CONFIG_INPUT)
   3089	.dq_callback = cit_check_button,
   3090	.other_input = 1,
   3091#endif
   3092};
   3093
   3094/* -- module initialisation -- */
   3095static const struct usb_device_id device_table[] = {
   3096	{ USB_DEVICE_VER(0x0545, 0x8080, 0x0001, 0x0001), .driver_info = CIT_MODEL0 },
   3097	{ USB_DEVICE_VER(0x0545, 0x8080, 0x0002, 0x0002), .driver_info = CIT_MODEL1 },
   3098	{ USB_DEVICE_VER(0x0545, 0x8080, 0x030a, 0x030a), .driver_info = CIT_MODEL2 },
   3099	{ USB_DEVICE_VER(0x0545, 0x8080, 0x0301, 0x0301), .driver_info = CIT_MODEL3 },
   3100	{ USB_DEVICE_VER(0x0545, 0x8002, 0x030a, 0x030a), .driver_info = CIT_MODEL4 },
   3101	{ USB_DEVICE_VER(0x0545, 0x800c, 0x030a, 0x030a), .driver_info = CIT_MODEL2 },
   3102	{ USB_DEVICE_VER(0x0545, 0x800d, 0x030a, 0x030a), .driver_info = CIT_MODEL4 },
   3103	{}
   3104};
   3105MODULE_DEVICE_TABLE(usb, device_table);
   3106
   3107/* -- device connect -- */
   3108static int sd_probe(struct usb_interface *intf,
   3109			const struct usb_device_id *id)
   3110{
   3111	const struct sd_desc *desc = &sd_desc;
   3112
   3113	switch (id->driver_info) {
   3114	case CIT_MODEL0:
   3115	case CIT_MODEL1:
   3116		if (intf->cur_altsetting->desc.bInterfaceNumber != 2)
   3117			return -ENODEV;
   3118		break;
   3119	case CIT_MODEL2:
   3120	case CIT_MODEL4:
   3121		if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
   3122			return -ENODEV;
   3123		break;
   3124	case CIT_MODEL3:
   3125		if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
   3126			return -ENODEV;
   3127		/* FIXME this likely applies to all model3 cams and probably
   3128		   to other models too. */
   3129		if (ibm_netcam_pro)
   3130			desc = &sd_desc_isoc_nego;
   3131		break;
   3132	}
   3133
   3134	return gspca_dev_probe2(intf, id, desc, sizeof(struct sd), THIS_MODULE);
   3135}
   3136
   3137static struct usb_driver sd_driver = {
   3138	.name = MODULE_NAME,
   3139	.id_table = device_table,
   3140	.probe = sd_probe,
   3141	.disconnect = gspca_disconnect,
   3142#ifdef CONFIG_PM
   3143	.suspend = gspca_suspend,
   3144	.resume = gspca_resume,
   3145	.reset_resume = gspca_resume,
   3146#endif
   3147};
   3148
   3149module_usb_driver(sd_driver);