Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* Linux driver for Philips webcam |
| 2 | USB and Video4Linux interface part. |
| 3 | (C) 1999-2004 Nemosoft Unv. |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 4 | (C) 2004-2006 Luc Saillard (luc@saillard.org) |
Hans de Goede | 6eba935 | 2011-06-26 06:49:59 -0300 | [diff] [blame] | 5 | (C) 2011 Hans de Goede <hdegoede@redhat.com> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | |
| 7 | NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx |
| 8 | driver and thus may have bugs that are not present in the original version. |
| 9 | Please send bug reports and support requests to <luc@saillard.org>. |
| 10 | The decompression routines have been implemented by reverse-engineering the |
| 11 | Nemosoft binary pwcx module. Caveat emptor. |
| 12 | |
| 13 | This program is free software; you can redistribute it and/or modify |
| 14 | it under the terms of the GNU General Public License as published by |
| 15 | the Free Software Foundation; either version 2 of the License, or |
| 16 | (at your option) any later version. |
| 17 | |
| 18 | This program is distributed in the hope that it will be useful, |
| 19 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 21 | GNU General Public License for more details. |
| 22 | |
| 23 | You should have received a copy of the GNU General Public License |
| 24 | along with this program; if not, write to the Free Software |
| 25 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 26 | |
| 27 | */ |
| 28 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 29 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | This code forms the interface between the USB layers and the Philips |
| 31 | specific stuff. Some adanved stuff of the driver falls under an |
| 32 | NDA, signed between me and Philips B.V., Eindhoven, the Netherlands, and |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 33 | is thus not distributed in source form. The binary pwcx.o module |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | contains the code that falls under the NDA. |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 35 | |
| 36 | In case you're wondering: 'pwc' stands for "Philips WebCam", but |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | I really didn't want to type 'philips_web_cam' every time (I'm lazy as |
| 38 | any Linux kernel hacker, but I don't like uncomprehensible abbreviations |
| 39 | without explanation). |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 40 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | Oh yes, convention: to disctinguish between all the various pointers to |
| 42 | device-structures, I use these names for the pointer variables: |
| 43 | udev: struct usb_device * |
Hans de Goede | 9a7b2d1 | 2011-06-06 14:43:39 -0300 | [diff] [blame] | 44 | vdev: struct video_device (member of pwc_dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | pdev: struct pwc_devive * |
| 46 | */ |
| 47 | |
| 48 | /* Contributors: |
| 49 | - Alvarado: adding whitebalance code |
| 50 | - Alistar Moire: QuickCam 3000 Pro device/product ID |
| 51 | - Tony Hoyle: Creative Labs Webcam 5 device/product ID |
| 52 | - Mark Burazin: solving hang in VIDIOCSYNC when camera gets unplugged |
| 53 | - Jk Fang: Sotec Afina Eye ID |
| 54 | - Xavier Roche: QuickCam Pro 4000 ID |
| 55 | - Jens Knudsen: QuickCam Zoom ID |
| 56 | - J. Debert: QuickCam for Notebooks ID |
Nam Phạm Thành | e32a7ecc | 2009-01-12 02:50:17 -0300 | [diff] [blame] | 57 | - Pham Thanh Nam: webcam snapshot button as an event input device |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | */ |
| 59 | |
| 60 | #include <linux/errno.h> |
| 61 | #include <linux/init.h> |
| 62 | #include <linux/mm.h> |
| 63 | #include <linux/module.h> |
| 64 | #include <linux/poll.h> |
| 65 | #include <linux/slab.h> |
Nam Phạm Thành | e32a7ecc | 2009-01-12 02:50:17 -0300 | [diff] [blame] | 66 | #ifdef CONFIG_USB_PWC_INPUT_EVDEV |
| 67 | #include <linux/usb/input.h> |
| 68 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | #include <linux/vmalloc.h> |
| 70 | #include <asm/io.h> |
Andy Shevchenko | 2d8d776 | 2009-09-24 07:58:09 -0300 | [diff] [blame] | 71 | #include <linux/kernel.h> /* simple_strtol() */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | |
| 73 | #include "pwc.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 74 | #include "pwc-kiara.h" |
| 75 | #include "pwc-timon.h" |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 76 | #include "pwc-dec23.h" |
| 77 | #include "pwc-dec1.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 78 | |
| 79 | /* Function prototypes and driver templates */ |
| 80 | |
| 81 | /* hotplug device table support */ |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 82 | static const struct usb_device_id pwc_device_table [] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | { USB_DEVICE(0x0471, 0x0302) }, /* Philips models */ |
| 84 | { USB_DEVICE(0x0471, 0x0303) }, |
| 85 | { USB_DEVICE(0x0471, 0x0304) }, |
| 86 | { USB_DEVICE(0x0471, 0x0307) }, |
| 87 | { USB_DEVICE(0x0471, 0x0308) }, |
| 88 | { USB_DEVICE(0x0471, 0x030C) }, |
| 89 | { USB_DEVICE(0x0471, 0x0310) }, |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 90 | { USB_DEVICE(0x0471, 0x0311) }, /* Philips ToUcam PRO II */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 91 | { USB_DEVICE(0x0471, 0x0312) }, |
| 92 | { USB_DEVICE(0x0471, 0x0313) }, /* the 'new' 720K */ |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 93 | { USB_DEVICE(0x0471, 0x0329) }, /* Philips SPC 900NC PC Camera */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | { USB_DEVICE(0x069A, 0x0001) }, /* Askey */ |
| 95 | { USB_DEVICE(0x046D, 0x08B0) }, /* Logitech QuickCam Pro 3000 */ |
| 96 | { USB_DEVICE(0x046D, 0x08B1) }, /* Logitech QuickCam Notebook Pro */ |
| 97 | { USB_DEVICE(0x046D, 0x08B2) }, /* Logitech QuickCam Pro 4000 */ |
| 98 | { USB_DEVICE(0x046D, 0x08B3) }, /* Logitech QuickCam Zoom (old model) */ |
| 99 | { USB_DEVICE(0x046D, 0x08B4) }, /* Logitech QuickCam Zoom (new model) */ |
| 100 | { USB_DEVICE(0x046D, 0x08B5) }, /* Logitech QuickCam Orbit/Sphere */ |
Mauro Carvalho Chehab | 6b1ce3c | 2007-03-21 16:35:28 -0300 | [diff] [blame] | 101 | { USB_DEVICE(0x046D, 0x08B6) }, /* Cisco VT Camera */ |
| 102 | { USB_DEVICE(0x046D, 0x08B7) }, /* Logitech ViewPort AV 100 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | { USB_DEVICE(0x046D, 0x08B8) }, /* Logitech (reserved) */ |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 104 | { USB_DEVICE(0x055D, 0x9000) }, /* Samsung MPC-C10 */ |
| 105 | { USB_DEVICE(0x055D, 0x9001) }, /* Samsung MPC-C30 */ |
| 106 | { USB_DEVICE(0x055D, 0x9002) }, /* Samsung SNC-35E (Ver3.0) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 107 | { USB_DEVICE(0x041E, 0x400C) }, /* Creative Webcam 5 */ |
| 108 | { USB_DEVICE(0x041E, 0x4011) }, /* Creative Webcam Pro Ex */ |
| 109 | { USB_DEVICE(0x04CC, 0x8116) }, /* Afina Eye */ |
| 110 | { USB_DEVICE(0x06BE, 0x8116) }, /* new Afina Eye */ |
| 111 | { USB_DEVICE(0x0d81, 0x1910) }, /* Visionite */ |
| 112 | { USB_DEVICE(0x0d81, 0x1900) }, |
| 113 | { } |
| 114 | }; |
| 115 | MODULE_DEVICE_TABLE(usb, pwc_device_table); |
| 116 | |
| 117 | static int usb_pwc_probe(struct usb_interface *intf, const struct usb_device_id *id); |
| 118 | static void usb_pwc_disconnect(struct usb_interface *intf); |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 119 | static void pwc_isoc_cleanup(struct pwc_device *pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 120 | |
| 121 | static struct usb_driver pwc_driver = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 122 | .name = "Philips webcam", /* name */ |
| 123 | .id_table = pwc_device_table, |
| 124 | .probe = usb_pwc_probe, /* probe() */ |
| 125 | .disconnect = usb_pwc_disconnect, /* disconnect() */ |
| 126 | }; |
| 127 | |
| 128 | #define MAX_DEV_HINTS 20 |
| 129 | #define MAX_ISOC_ERRORS 20 |
| 130 | |
Trent Piepho | 05ad390 | 2007-01-30 23:26:01 -0300 | [diff] [blame] | 131 | #ifdef CONFIG_USB_PWC_DEBUG |
Michael Krufky | b930e1d | 2007-08-27 18:16:54 -0300 | [diff] [blame] | 132 | int pwc_trace = PWC_DEBUG_LEVEL; |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 133 | #endif |
Hans de Goede | 3b4d0ec | 2011-06-26 03:51:19 -0300 | [diff] [blame] | 134 | static int power_save = -1; |
Hans de Goede | c24e137 | 2012-01-10 17:51:12 -0300 | [diff] [blame] | 135 | static int leds[2] = { 100, 0 }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | |
| 137 | /***/ |
| 138 | |
Hans Verkuil | bec43661 | 2008-12-30 06:58:20 -0300 | [diff] [blame] | 139 | static const struct v4l2_file_operations pwc_fops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 140 | .owner = THIS_MODULE, |
Hans de Goede | 76ae853 | 2011-07-19 07:14:22 -0300 | [diff] [blame] | 141 | .open = v4l2_fh_open, |
Hans Verkuil | 2e43dec | 2012-07-02 05:51:58 -0300 | [diff] [blame] | 142 | .release = vb2_fop_release, |
| 143 | .read = vb2_fop_read, |
| 144 | .poll = vb2_fop_poll, |
| 145 | .mmap = vb2_fop_mmap, |
Hans Verkuil | afa3852 | 2011-01-22 06:34:55 -0300 | [diff] [blame] | 146 | .unlocked_ioctl = video_ioctl2, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 147 | }; |
| 148 | static struct video_device pwc_template = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | .name = "Philips Webcam", /* Filled in later */ |
Hans de Goede | 76ae853 | 2011-07-19 07:14:22 -0300 | [diff] [blame] | 150 | .release = video_device_release_empty, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | .fops = &pwc_fops, |
Hans de Goede | 9a7b2d1 | 2011-06-06 14:43:39 -0300 | [diff] [blame] | 152 | .ioctl_ops = &pwc_ioctl_ops, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | }; |
| 154 | |
| 155 | /***************************************************************************/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 156 | /* Private functions */ |
| 157 | |
Mauro Carvalho Chehab | 0dc6eb9 | 2012-10-27 14:26:35 -0300 | [diff] [blame] | 158 | static struct pwc_frame_buf *pwc_get_next_fill_buf(struct pwc_device *pdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | { |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 160 | unsigned long flags = 0; |
| 161 | struct pwc_frame_buf *buf = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 162 | |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 163 | spin_lock_irqsave(&pdev->queued_bufs_lock, flags); |
| 164 | if (list_empty(&pdev->queued_bufs)) |
| 165 | goto leave; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 166 | |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 167 | buf = list_entry(pdev->queued_bufs.next, struct pwc_frame_buf, list); |
| 168 | list_del(&buf->list); |
| 169 | leave: |
| 170 | spin_unlock_irqrestore(&pdev->queued_bufs_lock, flags); |
| 171 | return buf; |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 172 | } |
| 173 | |
Nam Phạm Thành | e32a7ecc | 2009-01-12 02:50:17 -0300 | [diff] [blame] | 174 | static void pwc_snapshot_button(struct pwc_device *pdev, int down) |
| 175 | { |
| 176 | if (down) { |
| 177 | PWC_TRACE("Snapshot button pressed.\n"); |
Nam Phạm Thành | e32a7ecc | 2009-01-12 02:50:17 -0300 | [diff] [blame] | 178 | } else { |
| 179 | PWC_TRACE("Snapshot button released.\n"); |
| 180 | } |
| 181 | |
| 182 | #ifdef CONFIG_USB_PWC_INPUT_EVDEV |
| 183 | if (pdev->button_dev) { |
Lennart Poettering | bcd3e4b | 2009-06-11 11:19:33 -0300 | [diff] [blame] | 184 | input_report_key(pdev->button_dev, KEY_CAMERA, down); |
Nam Phạm Thành | e32a7ecc | 2009-01-12 02:50:17 -0300 | [diff] [blame] | 185 | input_sync(pdev->button_dev); |
| 186 | } |
| 187 | #endif |
| 188 | } |
| 189 | |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 190 | static void pwc_frame_complete(struct pwc_device *pdev) |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 191 | { |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 192 | struct pwc_frame_buf *fbuf = pdev->fill_buf; |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 193 | |
| 194 | /* The ToUCam Fun CMOS sensor causes the firmware to send 2 or 3 bogus |
| 195 | frames on the USB wire after an exposure change. This conditition is |
| 196 | however detected in the cam and a bit is set in the header. |
| 197 | */ |
| 198 | if (pdev->type == 730) { |
| 199 | unsigned char *ptr = (unsigned char *)fbuf->data; |
| 200 | |
| 201 | if (ptr[1] == 1 && ptr[0] & 0x10) { |
| 202 | PWC_TRACE("Hyundai CMOS sensor bug. Dropping frame.\n"); |
| 203 | pdev->drop_frames += 2; |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 204 | } |
| 205 | if ((ptr[0] ^ pdev->vmirror) & 0x01) { |
Nam Phạm Thành | e32a7ecc | 2009-01-12 02:50:17 -0300 | [diff] [blame] | 206 | pwc_snapshot_button(pdev, ptr[0] & 0x01); |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 207 | } |
| 208 | if ((ptr[0] ^ pdev->vmirror) & 0x02) { |
| 209 | if (ptr[0] & 0x02) |
| 210 | PWC_TRACE("Image is mirrored.\n"); |
| 211 | else |
| 212 | PWC_TRACE("Image is normal.\n"); |
| 213 | } |
| 214 | pdev->vmirror = ptr[0] & 0x03; |
| 215 | /* Sometimes the trailer of the 730 is still sent as a 4 byte packet |
| 216 | after a short frame; this condition is filtered out specifically. A 4 byte |
| 217 | frame doesn't make sense anyway. |
| 218 | So we get either this sequence: |
| 219 | drop_bit set -> 4 byte frame -> short frame -> good frame |
| 220 | Or this one: |
| 221 | drop_bit set -> short frame -> good frame |
| 222 | So we drop either 3 or 2 frames in all! |
| 223 | */ |
| 224 | if (fbuf->filled == 4) |
| 225 | pdev->drop_frames++; |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 226 | } else if (pdev->type == 740 || pdev->type == 720) { |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 227 | unsigned char *ptr = (unsigned char *)fbuf->data; |
| 228 | if ((ptr[0] ^ pdev->vmirror) & 0x01) { |
Nam Phạm Thành | e32a7ecc | 2009-01-12 02:50:17 -0300 | [diff] [blame] | 229 | pwc_snapshot_button(pdev, ptr[0] & 0x01); |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 230 | } |
| 231 | pdev->vmirror = ptr[0] & 0x03; |
| 232 | } |
| 233 | |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 234 | /* In case we were instructed to drop the frame, do so silently. */ |
| 235 | if (pdev->drop_frames > 0) { |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 236 | pdev->drop_frames--; |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 237 | } else { |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 238 | /* Check for underflow first */ |
| 239 | if (fbuf->filled < pdev->frame_total_size) { |
| 240 | PWC_DEBUG_FLOW("Frame buffer underflow (%d bytes);" |
| 241 | " discarded.\n", fbuf->filled); |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 242 | } else { |
| 243 | fbuf->vb.v4l2_buf.field = V4L2_FIELD_NONE; |
| 244 | fbuf->vb.v4l2_buf.sequence = pdev->vframe_count; |
| 245 | vb2_buffer_done(&fbuf->vb, VB2_BUF_STATE_DONE); |
| 246 | pdev->fill_buf = NULL; |
| 247 | pdev->vsync = 0; |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 248 | } |
| 249 | } /* !drop_frames */ |
| 250 | pdev->vframe_count++; |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 251 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 252 | |
| 253 | /* This gets called for the Isochronous pipe (video). This is done in |
| 254 | * interrupt time, so it has to be fast, not crash, and not stall. Neat. |
| 255 | */ |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 256 | static void pwc_isoc_handler(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 257 | { |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 258 | struct pwc_device *pdev = (struct pwc_device *)urb->context; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 259 | int i, fst, flen; |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 260 | unsigned char *iso_buf = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 261 | |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 262 | if (urb->status == -ENOENT || urb->status == -ECONNRESET || |
| 263 | urb->status == -ESHUTDOWN) { |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 264 | PWC_DEBUG_OPEN("URB (%p) unlinked %ssynchronuously.\n", urb, urb->status == -ENOENT ? "" : "a"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 265 | return; |
| 266 | } |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 267 | |
| 268 | if (pdev->fill_buf == NULL) |
| 269 | pdev->fill_buf = pwc_get_next_fill_buf(pdev); |
| 270 | |
| 271 | if (urb->status != 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 272 | const char *errmsg; |
| 273 | |
| 274 | errmsg = "Unknown"; |
| 275 | switch(urb->status) { |
| 276 | case -ENOSR: errmsg = "Buffer error (overrun)"; break; |
| 277 | case -EPIPE: errmsg = "Stalled (device not responding)"; break; |
| 278 | case -EOVERFLOW: errmsg = "Babble (bad cable?)"; break; |
| 279 | case -EPROTO: errmsg = "Bit-stuff error (bad cable?)"; break; |
| 280 | case -EILSEQ: errmsg = "CRC/Timeout (could be anything)"; break; |
Pete Zaitcev | 38e2bfc | 2006-09-18 22:49:02 -0700 | [diff] [blame] | 281 | case -ETIME: errmsg = "Device does not respond"; break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 282 | } |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 283 | PWC_ERROR("pwc_isoc_handler() called with status %d [%s].\n", |
| 284 | urb->status, errmsg); |
| 285 | /* Give up after a number of contiguous errors */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 286 | if (++pdev->visoc_errors > MAX_ISOC_ERRORS) |
| 287 | { |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 288 | PWC_ERROR("Too many ISOC errors, bailing out.\n"); |
| 289 | if (pdev->fill_buf) { |
| 290 | vb2_buffer_done(&pdev->fill_buf->vb, |
| 291 | VB2_BUF_STATE_ERROR); |
| 292 | pdev->fill_buf = NULL; |
| 293 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 294 | } |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 295 | pdev->vsync = 0; /* Drop the current frame */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 296 | goto handler_end; |
| 297 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 298 | |
| 299 | /* Reset ISOC error counter. We did get here, after all. */ |
| 300 | pdev->visoc_errors = 0; |
| 301 | |
| 302 | /* vsync: 0 = don't copy data |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 303 | 1 = sync-hunt |
| 304 | 2 = synched |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 305 | */ |
| 306 | /* Compact data */ |
| 307 | for (i = 0; i < urb->number_of_packets; i++) { |
| 308 | fst = urb->iso_frame_desc[i].status; |
| 309 | flen = urb->iso_frame_desc[i].actual_length; |
| 310 | iso_buf = urb->transfer_buffer + urb->iso_frame_desc[i].offset; |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 311 | if (fst != 0) { |
| 312 | PWC_ERROR("Iso frame %d has error %d\n", i, fst); |
| 313 | continue; |
| 314 | } |
| 315 | if (flen > 0 && pdev->vsync) { |
| 316 | struct pwc_frame_buf *fbuf = pdev->fill_buf; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 317 | |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 318 | if (pdev->vsync == 1) { |
Sakari Ailus | 8e6057b | 2012-09-15 15:14:42 -0300 | [diff] [blame] | 319 | v4l2_get_timestamp( |
| 320 | &fbuf->vb.v4l2_buf.timestamp); |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 321 | pdev->vsync = 2; |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 322 | } |
| 323 | |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 324 | if (flen + fbuf->filled > pdev->frame_total_size) { |
| 325 | PWC_ERROR("Frame overflow (%d > %d)\n", |
| 326 | flen + fbuf->filled, |
| 327 | pdev->frame_total_size); |
| 328 | pdev->vsync = 0; /* Let's wait for an EOF */ |
| 329 | } else { |
| 330 | memcpy(fbuf->data + fbuf->filled, iso_buf, |
| 331 | flen); |
| 332 | fbuf->filled += flen; |
| 333 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 334 | } |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 335 | if (flen < pdev->vlast_packet_size) { |
| 336 | /* Shorter packet... end of frame */ |
| 337 | if (pdev->vsync == 2) |
| 338 | pwc_frame_complete(pdev); |
| 339 | if (pdev->fill_buf == NULL) |
| 340 | pdev->fill_buf = pwc_get_next_fill_buf(pdev); |
| 341 | if (pdev->fill_buf) { |
| 342 | pdev->fill_buf->filled = 0; |
| 343 | pdev->vsync = 1; |
| 344 | } |
| 345 | } |
| 346 | pdev->vlast_packet_size = flen; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 347 | } |
| 348 | |
| 349 | handler_end: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 350 | i = usb_submit_urb(urb, GFP_ATOMIC); |
| 351 | if (i != 0) |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 352 | PWC_ERROR("Error (%d) re-submitting urb in pwc_isoc_handler.\n", i); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 353 | } |
| 354 | |
Hans de Goede | ceede9f | 2012-05-09 04:43:12 -0300 | [diff] [blame] | 355 | /* Both v4l2_lock and vb_queue_lock should be locked when calling this */ |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 356 | static int pwc_isoc_init(struct pwc_device *pdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 357 | { |
| 358 | struct usb_device *udev; |
| 359 | struct urb *urb; |
| 360 | int i, j, ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | struct usb_interface *intf; |
| 362 | struct usb_host_interface *idesc = NULL; |
Hans de Goede | 5bbe18d | 2012-01-04 18:48:05 -0300 | [diff] [blame] | 363 | int compression = 0; /* 0..3 = uncompressed..high */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 364 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 365 | pdev->vsync = 0; |
Hans de Goede | 6eba935 | 2011-06-26 06:49:59 -0300 | [diff] [blame] | 366 | pdev->vlast_packet_size = 0; |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 367 | pdev->fill_buf = NULL; |
| 368 | pdev->vframe_count = 0; |
Hans de Goede | 6eba935 | 2011-06-26 06:49:59 -0300 | [diff] [blame] | 369 | pdev->visoc_errors = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 370 | udev = pdev->udev; |
| 371 | |
Hans de Goede | 5bbe18d | 2012-01-04 18:48:05 -0300 | [diff] [blame] | 372 | retry: |
| 373 | /* We first try with low compression and then retry with a higher |
| 374 | compression setting if there is not enough bandwidth. */ |
Hans de Goede | 938d5b9 | 2012-01-10 13:14:46 -0300 | [diff] [blame] | 375 | ret = pwc_set_video_mode(pdev, pdev->width, pdev->height, pdev->pixfmt, |
| 376 | pdev->vframes, &compression, 1); |
Hans de Goede | 5bbe18d | 2012-01-04 18:48:05 -0300 | [diff] [blame] | 377 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 378 | /* Get the current alternate interface, adjust packet size */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 379 | intf = usb_ifnum_to_if(udev, 0); |
| 380 | if (intf) |
| 381 | idesc = usb_altnum_to_altsetting(intf, pdev->valternate); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 382 | if (!idesc) |
Hans de Goede | c246412 | 2011-06-06 15:25:18 -0300 | [diff] [blame] | 383 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 384 | |
| 385 | /* Search video endpoint */ |
| 386 | pdev->vmax_packet_size = -1; |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 387 | for (i = 0; i < idesc->desc.bNumEndpoints; i++) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 388 | if ((idesc->endpoint[i].desc.bEndpointAddress & 0xF) == pdev->vendpoint) { |
| 389 | pdev->vmax_packet_size = le16_to_cpu(idesc->endpoint[i].desc.wMaxPacketSize); |
| 390 | break; |
| 391 | } |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 392 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 393 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 394 | if (pdev->vmax_packet_size < 0 || pdev->vmax_packet_size > ISO_MAX_FRAME_SIZE) { |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 395 | PWC_ERROR("Failed to find packet size for video endpoint in current alternate setting.\n"); |
Steven Cole | 093cf72 | 2005-05-03 19:07:24 -0600 | [diff] [blame] | 396 | return -ENFILE; /* Odd error, that should be noticeable */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 397 | } |
| 398 | |
| 399 | /* Set alternate interface */ |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 400 | PWC_DEBUG_OPEN("Setting alternate interface %d\n", pdev->valternate); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 401 | ret = usb_set_interface(pdev->udev, 0, pdev->valternate); |
Hans de Goede | 5bbe18d | 2012-01-04 18:48:05 -0300 | [diff] [blame] | 402 | if (ret == -ENOSPC && compression < 3) { |
| 403 | compression++; |
| 404 | goto retry; |
| 405 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 406 | if (ret < 0) |
| 407 | return ret; |
| 408 | |
Hans de Goede | 04613c5 | 2011-06-26 13:57:15 -0300 | [diff] [blame] | 409 | /* Allocate and init Isochronuous urbs */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 410 | for (i = 0; i < MAX_ISO_BUFS; i++) { |
| 411 | urb = usb_alloc_urb(ISO_FRAMES_PER_DESC, GFP_KERNEL); |
| 412 | if (urb == NULL) { |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 413 | PWC_ERROR("Failed to allocate urb %d\n", i); |
Hans de Goede | 6eba935 | 2011-06-26 06:49:59 -0300 | [diff] [blame] | 414 | pwc_isoc_cleanup(pdev); |
| 415 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 416 | } |
Hans de Goede | 04613c5 | 2011-06-26 13:57:15 -0300 | [diff] [blame] | 417 | pdev->urbs[i] = urb; |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 418 | PWC_DEBUG_MEMORY("Allocated URB at 0x%p\n", urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 419 | |
| 420 | urb->interval = 1; // devik |
| 421 | urb->dev = udev; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 422 | urb->pipe = usb_rcvisocpipe(udev, pdev->vendpoint); |
Hans de Goede | 04613c5 | 2011-06-26 13:57:15 -0300 | [diff] [blame] | 423 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
| 424 | urb->transfer_buffer = usb_alloc_coherent(udev, |
| 425 | ISO_BUFFER_SIZE, |
| 426 | GFP_KERNEL, |
| 427 | &urb->transfer_dma); |
| 428 | if (urb->transfer_buffer == NULL) { |
| 429 | PWC_ERROR("Failed to allocate urb buffer %d\n", i); |
Hans de Goede | 04613c5 | 2011-06-26 13:57:15 -0300 | [diff] [blame] | 430 | pwc_isoc_cleanup(pdev); |
| 431 | return -ENOMEM; |
| 432 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 433 | urb->transfer_buffer_length = ISO_BUFFER_SIZE; |
| 434 | urb->complete = pwc_isoc_handler; |
| 435 | urb->context = pdev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 436 | urb->start_frame = 0; |
| 437 | urb->number_of_packets = ISO_FRAMES_PER_DESC; |
| 438 | for (j = 0; j < ISO_FRAMES_PER_DESC; j++) { |
| 439 | urb->iso_frame_desc[j].offset = j * ISO_MAX_FRAME_SIZE; |
| 440 | urb->iso_frame_desc[j].length = pdev->vmax_packet_size; |
| 441 | } |
| 442 | } |
| 443 | |
| 444 | /* link */ |
| 445 | for (i = 0; i < MAX_ISO_BUFS; i++) { |
Hans de Goede | 04613c5 | 2011-06-26 13:57:15 -0300 | [diff] [blame] | 446 | ret = usb_submit_urb(pdev->urbs[i], GFP_KERNEL); |
Hans de Goede | 5bbe18d | 2012-01-04 18:48:05 -0300 | [diff] [blame] | 447 | if (ret == -ENOSPC && compression < 3) { |
| 448 | compression++; |
Hans de Goede | 5bbe18d | 2012-01-04 18:48:05 -0300 | [diff] [blame] | 449 | pwc_isoc_cleanup(pdev); |
| 450 | goto retry; |
| 451 | } |
Hans de Goede | 622d9f5 | 2010-11-16 12:32:09 -0300 | [diff] [blame] | 452 | if (ret) { |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 453 | PWC_ERROR("isoc_init() submit_urb %d failed with error %d\n", i, ret); |
Hans de Goede | 622d9f5 | 2010-11-16 12:32:09 -0300 | [diff] [blame] | 454 | pwc_isoc_cleanup(pdev); |
| 455 | return ret; |
| 456 | } |
Hans de Goede | 04613c5 | 2011-06-26 13:57:15 -0300 | [diff] [blame] | 457 | PWC_DEBUG_MEMORY("URB 0x%p submitted.\n", pdev->urbs[i]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 458 | } |
| 459 | |
| 460 | /* All is done... */ |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 461 | PWC_DEBUG_OPEN("<< pwc_isoc_init()\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 462 | return 0; |
| 463 | } |
| 464 | |
Oliver Neukum | 0b67f5c | 2007-09-26 10:19:01 -0300 | [diff] [blame] | 465 | static void pwc_iso_stop(struct pwc_device *pdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 466 | { |
| 467 | int i; |
| 468 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 469 | /* Unlinking ISOC buffers one by one */ |
| 470 | for (i = 0; i < MAX_ISO_BUFS; i++) { |
Hans de Goede | 04613c5 | 2011-06-26 13:57:15 -0300 | [diff] [blame] | 471 | if (pdev->urbs[i]) { |
| 472 | PWC_DEBUG_MEMORY("Unlinking URB %p\n", pdev->urbs[i]); |
| 473 | usb_kill_urb(pdev->urbs[i]); |
Oliver Neukum | 0b67f5c | 2007-09-26 10:19:01 -0300 | [diff] [blame] | 474 | } |
| 475 | } |
| 476 | } |
| 477 | |
| 478 | static void pwc_iso_free(struct pwc_device *pdev) |
| 479 | { |
| 480 | int i; |
| 481 | |
| 482 | /* Freeing ISOC buffers one by one */ |
| 483 | for (i = 0; i < MAX_ISO_BUFS; i++) { |
Hans de Goede | 04613c5 | 2011-06-26 13:57:15 -0300 | [diff] [blame] | 484 | if (pdev->urbs[i]) { |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 485 | PWC_DEBUG_MEMORY("Freeing URB\n"); |
Hans de Goede | 04613c5 | 2011-06-26 13:57:15 -0300 | [diff] [blame] | 486 | if (pdev->urbs[i]->transfer_buffer) { |
| 487 | usb_free_coherent(pdev->udev, |
| 488 | pdev->urbs[i]->transfer_buffer_length, |
| 489 | pdev->urbs[i]->transfer_buffer, |
| 490 | pdev->urbs[i]->transfer_dma); |
| 491 | } |
| 492 | usb_free_urb(pdev->urbs[i]); |
| 493 | pdev->urbs[i] = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 494 | } |
| 495 | } |
Oliver Neukum | 0b67f5c | 2007-09-26 10:19:01 -0300 | [diff] [blame] | 496 | } |
| 497 | |
Hans de Goede | ceede9f | 2012-05-09 04:43:12 -0300 | [diff] [blame] | 498 | /* Both v4l2_lock and vb_queue_lock should be locked when calling this */ |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 499 | static void pwc_isoc_cleanup(struct pwc_device *pdev) |
Oliver Neukum | 0b67f5c | 2007-09-26 10:19:01 -0300 | [diff] [blame] | 500 | { |
| 501 | PWC_DEBUG_OPEN(">> pwc_isoc_cleanup()\n"); |
Hans de Goede | c246412 | 2011-06-06 15:25:18 -0300 | [diff] [blame] | 502 | |
Oliver Neukum | 0b67f5c | 2007-09-26 10:19:01 -0300 | [diff] [blame] | 503 | pwc_iso_stop(pdev); |
| 504 | pwc_iso_free(pdev); |
Hans de Goede | b824bb4 | 2011-06-25 17:39:19 -0300 | [diff] [blame] | 505 | usb_set_interface(pdev->udev, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 506 | |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 507 | PWC_DEBUG_OPEN("<< pwc_isoc_cleanup()\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 508 | } |
| 509 | |
Hans de Goede | ceede9f | 2012-05-09 04:43:12 -0300 | [diff] [blame] | 510 | /* Must be called with vb_queue_lock hold */ |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 511 | static void pwc_cleanup_queued_bufs(struct pwc_device *pdev) |
| 512 | { |
Hans de Goede | c20d78c | 2011-10-09 09:16:46 -0300 | [diff] [blame] | 513 | unsigned long flags = 0; |
| 514 | |
| 515 | spin_lock_irqsave(&pdev->queued_bufs_lock, flags); |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 516 | while (!list_empty(&pdev->queued_bufs)) { |
| 517 | struct pwc_frame_buf *buf; |
| 518 | |
| 519 | buf = list_entry(pdev->queued_bufs.next, struct pwc_frame_buf, |
| 520 | list); |
| 521 | list_del(&buf->list); |
| 522 | vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); |
| 523 | } |
Hans de Goede | c20d78c | 2011-10-09 09:16:46 -0300 | [diff] [blame] | 524 | spin_unlock_irqrestore(&pdev->queued_bufs_lock, flags); |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 525 | } |
| 526 | |
Trent Piepho | 05ad390 | 2007-01-30 23:26:01 -0300 | [diff] [blame] | 527 | #ifdef CONFIG_USB_PWC_DEBUG |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 528 | static const char *pwc_sensor_type_to_string(unsigned int sensor_type) |
| 529 | { |
| 530 | switch(sensor_type) { |
| 531 | case 0x00: |
| 532 | return "Hyundai CMOS sensor"; |
| 533 | case 0x20: |
| 534 | return "Sony CCD sensor + TDA8787"; |
| 535 | case 0x2E: |
| 536 | return "Sony CCD sensor + Exas 98L59"; |
| 537 | case 0x2F: |
| 538 | return "Sony CCD sensor + ADI 9804"; |
| 539 | case 0x30: |
| 540 | return "Sharp CCD sensor + TDA8787"; |
| 541 | case 0x3E: |
| 542 | return "Sharp CCD sensor + Exas 98L59"; |
| 543 | case 0x3F: |
| 544 | return "Sharp CCD sensor + ADI 9804"; |
| 545 | case 0x40: |
| 546 | return "UPA 1021 sensor"; |
| 547 | case 0x100: |
| 548 | return "VGA sensor"; |
| 549 | case 0x101: |
| 550 | return "PAL MR sensor"; |
| 551 | default: |
Trent Piepho | 657de3c | 2006-06-20 00:30:57 -0300 | [diff] [blame] | 552 | return "unknown type of sensor"; |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 553 | } |
| 554 | } |
| 555 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 556 | |
| 557 | /***************************************************************************/ |
| 558 | /* Video4Linux functions */ |
| 559 | |
Hans de Goede | 76ae853 | 2011-07-19 07:14:22 -0300 | [diff] [blame] | 560 | static void pwc_video_release(struct v4l2_device *v) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 561 | { |
Hans de Goede | 76ae853 | 2011-07-19 07:14:22 -0300 | [diff] [blame] | 562 | struct pwc_device *pdev = container_of(v, struct pwc_device, v4l2_dev); |
Dmitry Torokhov | 89dec01 | 2009-08-14 02:22:52 -0300 | [diff] [blame] | 563 | |
Hans de Goede | 6c9cac8 | 2011-06-26 12:52:01 -0300 | [diff] [blame] | 564 | v4l2_ctrl_handler_free(&pdev->ctrl_handler); |
Hans de Goede | ceede9f | 2012-05-09 04:43:12 -0300 | [diff] [blame] | 565 | v4l2_device_unregister(&pdev->v4l2_dev); |
Hans de Goede | 24be689 | 2012-01-10 17:02:04 -0300 | [diff] [blame] | 566 | kfree(pdev->ctrl_buf); |
Dmitry Torokhov | 89dec01 | 2009-08-14 02:22:52 -0300 | [diff] [blame] | 567 | kfree(pdev); |
Oliver Neukum | 85237f2 | 2007-08-21 07:10:42 +0200 | [diff] [blame] | 568 | } |
| 569 | |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 570 | /***************************************************************************/ |
| 571 | /* Videobuf2 operations */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 572 | |
Guennadi Liakhovetski | fc714e70 | 2011-08-24 10:30:21 -0300 | [diff] [blame] | 573 | static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt, |
| 574 | unsigned int *nbuffers, unsigned int *nplanes, |
| 575 | unsigned int sizes[], void *alloc_ctxs[]) |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 576 | { |
| 577 | struct pwc_device *pdev = vb2_get_drv_priv(vq); |
Hans de Goede | 795e6eb | 2012-01-04 16:58:44 -0300 | [diff] [blame] | 578 | int size; |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 579 | |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 580 | if (*nbuffers < MIN_FRAMES) |
| 581 | *nbuffers = MIN_FRAMES; |
| 582 | else if (*nbuffers > MAX_FRAMES) |
| 583 | *nbuffers = MAX_FRAMES; |
| 584 | |
| 585 | *nplanes = 1; |
| 586 | |
Hans de Goede | 795e6eb | 2012-01-04 16:58:44 -0300 | [diff] [blame] | 587 | size = pwc_get_size(pdev, MAX_WIDTH, MAX_HEIGHT); |
| 588 | sizes[0] = PAGE_ALIGN(pwc_image_sizes[size][0] * |
| 589 | pwc_image_sizes[size][1] * 3 / 2); |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 590 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 591 | return 0; |
| 592 | } |
| 593 | |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 594 | static int buffer_init(struct vb2_buffer *vb) |
| 595 | { |
| 596 | struct pwc_frame_buf *buf = container_of(vb, struct pwc_frame_buf, vb); |
| 597 | |
| 598 | /* need vmalloc since frame buffer > 128K */ |
| 599 | buf->data = vzalloc(PWC_FRAME_SIZE); |
| 600 | if (buf->data == NULL) |
| 601 | return -ENOMEM; |
| 602 | |
| 603 | return 0; |
| 604 | } |
| 605 | |
| 606 | static int buffer_prepare(struct vb2_buffer *vb) |
| 607 | { |
| 608 | struct pwc_device *pdev = vb2_get_drv_priv(vb->vb2_queue); |
| 609 | |
| 610 | /* Don't allow queing new buffers after device disconnection */ |
Hans de Goede | b824bb4 | 2011-06-25 17:39:19 -0300 | [diff] [blame] | 611 | if (!pdev->udev) |
| 612 | return -ENODEV; |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 613 | |
| 614 | return 0; |
| 615 | } |
| 616 | |
| 617 | static int buffer_finish(struct vb2_buffer *vb) |
| 618 | { |
| 619 | struct pwc_device *pdev = vb2_get_drv_priv(vb->vb2_queue); |
| 620 | struct pwc_frame_buf *buf = container_of(vb, struct pwc_frame_buf, vb); |
| 621 | |
| 622 | /* |
| 623 | * Application has called dqbuf and is getting back a buffer we've |
| 624 | * filled, take the pwc data we've stored in buf->data and decompress |
| 625 | * it into a usable format, storing the result in the vb2_buffer |
| 626 | */ |
| 627 | return pwc_decompress(pdev, buf); |
| 628 | } |
| 629 | |
| 630 | static void buffer_cleanup(struct vb2_buffer *vb) |
| 631 | { |
| 632 | struct pwc_frame_buf *buf = container_of(vb, struct pwc_frame_buf, vb); |
| 633 | |
| 634 | vfree(buf->data); |
| 635 | } |
| 636 | |
| 637 | static void buffer_queue(struct vb2_buffer *vb) |
| 638 | { |
| 639 | struct pwc_device *pdev = vb2_get_drv_priv(vb->vb2_queue); |
| 640 | struct pwc_frame_buf *buf = container_of(vb, struct pwc_frame_buf, vb); |
| 641 | unsigned long flags = 0; |
| 642 | |
Hans de Goede | c20d78c | 2011-10-09 09:16:46 -0300 | [diff] [blame] | 643 | /* Check the device has not disconnected between prep and queuing */ |
Hans de Goede | ceede9f | 2012-05-09 04:43:12 -0300 | [diff] [blame] | 644 | if (!pdev->udev) { |
Hans de Goede | c20d78c | 2011-10-09 09:16:46 -0300 | [diff] [blame] | 645 | vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); |
Hans de Goede | ceede9f | 2012-05-09 04:43:12 -0300 | [diff] [blame] | 646 | return; |
| 647 | } |
| 648 | |
| 649 | spin_lock_irqsave(&pdev->queued_bufs_lock, flags); |
| 650 | list_add_tail(&buf->list, &pdev->queued_bufs); |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 651 | spin_unlock_irqrestore(&pdev->queued_bufs_lock, flags); |
| 652 | } |
| 653 | |
Marek Szyprowski | bd323e2 | 2011-08-29 08:51:49 -0300 | [diff] [blame] | 654 | static int start_streaming(struct vb2_queue *vq, unsigned int count) |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 655 | { |
| 656 | struct pwc_device *pdev = vb2_get_drv_priv(vq); |
Hans de Goede | c20d78c | 2011-10-09 09:16:46 -0300 | [diff] [blame] | 657 | int r; |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 658 | |
Hans de Goede | ceede9f | 2012-05-09 04:43:12 -0300 | [diff] [blame] | 659 | if (!pdev->udev) |
| 660 | return -ENODEV; |
Hans de Goede | b824bb4 | 2011-06-25 17:39:19 -0300 | [diff] [blame] | 661 | |
Hans Verkuil | 2e43dec | 2012-07-02 05:51:58 -0300 | [diff] [blame] | 662 | if (mutex_lock_interruptible(&pdev->v4l2_lock)) |
| 663 | return -ERESTARTSYS; |
Hans de Goede | 6eba935 | 2011-06-26 06:49:59 -0300 | [diff] [blame] | 664 | /* Turn on camera and set LEDS on */ |
| 665 | pwc_camera_power(pdev, 1); |
Hans de Goede | c24e137 | 2012-01-10 17:51:12 -0300 | [diff] [blame] | 666 | pwc_set_leds(pdev, leds[0], leds[1]); |
Hans de Goede | 6eba935 | 2011-06-26 06:49:59 -0300 | [diff] [blame] | 667 | |
Hans de Goede | c20d78c | 2011-10-09 09:16:46 -0300 | [diff] [blame] | 668 | r = pwc_isoc_init(pdev); |
Hans de Goede | 5bbe18d | 2012-01-04 18:48:05 -0300 | [diff] [blame] | 669 | if (r) { |
| 670 | /* If we failed turn camera and LEDS back off */ |
| 671 | pwc_set_leds(pdev, 0, 0); |
| 672 | pwc_camera_power(pdev, 0); |
| 673 | /* And cleanup any queued bufs!! */ |
| 674 | pwc_cleanup_queued_bufs(pdev); |
| 675 | } |
Hans Verkuil | 2e43dec | 2012-07-02 05:51:58 -0300 | [diff] [blame] | 676 | mutex_unlock(&pdev->v4l2_lock); |
Hans de Goede | ceede9f | 2012-05-09 04:43:12 -0300 | [diff] [blame] | 677 | |
Hans de Goede | c20d78c | 2011-10-09 09:16:46 -0300 | [diff] [blame] | 678 | return r; |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 679 | } |
| 680 | |
| 681 | static int stop_streaming(struct vb2_queue *vq) |
| 682 | { |
| 683 | struct pwc_device *pdev = vb2_get_drv_priv(vq); |
| 684 | |
Hans Verkuil | 2e43dec | 2012-07-02 05:51:58 -0300 | [diff] [blame] | 685 | if (mutex_lock_interruptible(&pdev->v4l2_lock)) |
| 686 | return -ERESTARTSYS; |
Hans de Goede | 6eba935 | 2011-06-26 06:49:59 -0300 | [diff] [blame] | 687 | if (pdev->udev) { |
| 688 | pwc_set_leds(pdev, 0, 0); |
| 689 | pwc_camera_power(pdev, 0); |
Hans de Goede | b824bb4 | 2011-06-25 17:39:19 -0300 | [diff] [blame] | 690 | pwc_isoc_cleanup(pdev); |
Hans de Goede | 6eba935 | 2011-06-26 06:49:59 -0300 | [diff] [blame] | 691 | } |
Hans de Goede | c20d78c | 2011-10-09 09:16:46 -0300 | [diff] [blame] | 692 | |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 693 | pwc_cleanup_queued_bufs(pdev); |
Hans Verkuil | 2e43dec | 2012-07-02 05:51:58 -0300 | [diff] [blame] | 694 | mutex_unlock(&pdev->v4l2_lock); |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 695 | |
| 696 | return 0; |
| 697 | } |
| 698 | |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 699 | static struct vb2_ops pwc_vb_queue_ops = { |
| 700 | .queue_setup = queue_setup, |
| 701 | .buf_init = buffer_init, |
| 702 | .buf_prepare = buffer_prepare, |
| 703 | .buf_finish = buffer_finish, |
| 704 | .buf_cleanup = buffer_cleanup, |
| 705 | .buf_queue = buffer_queue, |
| 706 | .start_streaming = start_streaming, |
| 707 | .stop_streaming = stop_streaming, |
Hans Verkuil | 2e43dec | 2012-07-02 05:51:58 -0300 | [diff] [blame] | 708 | .wait_prepare = vb2_ops_wait_prepare, |
| 709 | .wait_finish = vb2_ops_wait_finish, |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 710 | }; |
| 711 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 712 | /***************************************************************************/ |
| 713 | /* USB functions */ |
| 714 | |
| 715 | /* This function gets called when a new device is plugged in or the usb core |
| 716 | * is loaded. |
| 717 | */ |
| 718 | |
| 719 | static int usb_pwc_probe(struct usb_interface *intf, const struct usb_device_id *id) |
| 720 | { |
| 721 | struct usb_device *udev = interface_to_usbdev(intf); |
| 722 | struct pwc_device *pdev = NULL; |
| 723 | int vendor_id, product_id, type_id; |
Hans de Goede | a081c34 | 2012-01-10 17:47:25 -0300 | [diff] [blame] | 724 | int rc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 725 | int features = 0; |
Hans de Goede | 5bbe18d | 2012-01-04 18:48:05 -0300 | [diff] [blame] | 726 | int compression = 0; |
Hans de Goede | 3b4d0ec | 2011-06-26 03:51:19 -0300 | [diff] [blame] | 727 | int my_power_save = power_save; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 728 | char serial_number[30], *name; |
| 729 | |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 730 | vendor_id = le16_to_cpu(udev->descriptor.idVendor); |
| 731 | product_id = le16_to_cpu(udev->descriptor.idProduct); |
| 732 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 733 | /* Check if we can handle this device */ |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 734 | PWC_DEBUG_PROBE("probe() called [%04X %04X], if %d\n", |
| 735 | vendor_id, product_id, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 736 | intf->altsetting->desc.bInterfaceNumber); |
| 737 | |
| 738 | /* the interfaces are probed one by one. We are only interested in the |
| 739 | video interface (0) now. |
| 740 | Interface 1 is the Audio Control, and interface 2 Audio itself. |
| 741 | */ |
| 742 | if (intf->altsetting->desc.bInterfaceNumber > 0) |
| 743 | return -ENODEV; |
| 744 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 745 | if (vendor_id == 0x0471) { |
| 746 | switch (product_id) { |
| 747 | case 0x0302: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 748 | PWC_INFO("Philips PCA645VC USB webcam detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 749 | name = "Philips 645 webcam"; |
| 750 | type_id = 645; |
| 751 | break; |
| 752 | case 0x0303: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 753 | PWC_INFO("Philips PCA646VC USB webcam detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 754 | name = "Philips 646 webcam"; |
| 755 | type_id = 646; |
| 756 | break; |
| 757 | case 0x0304: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 758 | PWC_INFO("Askey VC010 type 2 USB webcam detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 759 | name = "Askey VC010 webcam"; |
| 760 | type_id = 646; |
| 761 | break; |
| 762 | case 0x0307: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 763 | PWC_INFO("Philips PCVC675K (Vesta) USB webcam detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 764 | name = "Philips 675 webcam"; |
| 765 | type_id = 675; |
| 766 | break; |
| 767 | case 0x0308: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 768 | PWC_INFO("Philips PCVC680K (Vesta Pro) USB webcam detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 769 | name = "Philips 680 webcam"; |
| 770 | type_id = 680; |
| 771 | break; |
| 772 | case 0x030C: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 773 | PWC_INFO("Philips PCVC690K (Vesta Pro Scan) USB webcam detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 774 | name = "Philips 690 webcam"; |
| 775 | type_id = 690; |
| 776 | break; |
| 777 | case 0x0310: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 778 | PWC_INFO("Philips PCVC730K (ToUCam Fun)/PCVC830 (ToUCam II) USB webcam detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 779 | name = "Philips 730 webcam"; |
| 780 | type_id = 730; |
| 781 | break; |
| 782 | case 0x0311: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 783 | PWC_INFO("Philips PCVC740K (ToUCam Pro)/PCVC840 (ToUCam II) USB webcam detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 784 | name = "Philips 740 webcam"; |
| 785 | type_id = 740; |
| 786 | break; |
| 787 | case 0x0312: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 788 | PWC_INFO("Philips PCVC750K (ToUCam Pro Scan) USB webcam detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 789 | name = "Philips 750 webcam"; |
| 790 | type_id = 750; |
| 791 | break; |
| 792 | case 0x0313: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 793 | PWC_INFO("Philips PCVC720K/40 (ToUCam XS) USB webcam detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 794 | name = "Philips 720K/40 webcam"; |
| 795 | type_id = 720; |
| 796 | break; |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 797 | case 0x0329: |
| 798 | PWC_INFO("Philips SPC 900NC USB webcam detected.\n"); |
| 799 | name = "Philips SPC 900NC webcam"; |
Luc Saillard | 9ee6d78 | 2007-04-22 23:54:36 -0300 | [diff] [blame] | 800 | type_id = 740; |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 801 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 802 | default: |
| 803 | return -ENODEV; |
| 804 | break; |
| 805 | } |
| 806 | } |
| 807 | else if (vendor_id == 0x069A) { |
| 808 | switch(product_id) { |
| 809 | case 0x0001: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 810 | PWC_INFO("Askey VC010 type 1 USB webcam detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 811 | name = "Askey VC010 webcam"; |
| 812 | type_id = 645; |
| 813 | break; |
| 814 | default: |
| 815 | return -ENODEV; |
| 816 | break; |
| 817 | } |
| 818 | } |
| 819 | else if (vendor_id == 0x046d) { |
| 820 | switch(product_id) { |
| 821 | case 0x08b0: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 822 | PWC_INFO("Logitech QuickCam Pro 3000 USB webcam detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 823 | name = "Logitech QuickCam Pro 3000"; |
| 824 | type_id = 740; /* CCD sensor */ |
| 825 | break; |
| 826 | case 0x08b1: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 827 | PWC_INFO("Logitech QuickCam Notebook Pro USB webcam detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 828 | name = "Logitech QuickCam Notebook Pro"; |
| 829 | type_id = 740; /* CCD sensor */ |
| 830 | break; |
| 831 | case 0x08b2: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 832 | PWC_INFO("Logitech QuickCam 4000 Pro USB webcam detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 833 | name = "Logitech QuickCam Pro 4000"; |
| 834 | type_id = 740; /* CCD sensor */ |
Hans de Goede | 51886df | 2011-07-03 15:52:54 -0300 | [diff] [blame] | 835 | if (my_power_save == -1) |
| 836 | my_power_save = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 837 | break; |
| 838 | case 0x08b3: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 839 | PWC_INFO("Logitech QuickCam Zoom USB webcam detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 840 | name = "Logitech QuickCam Zoom"; |
| 841 | type_id = 740; /* CCD sensor */ |
| 842 | break; |
| 843 | case 0x08B4: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 844 | PWC_INFO("Logitech QuickCam Zoom (new model) USB webcam detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 845 | name = "Logitech QuickCam Zoom"; |
| 846 | type_id = 740; /* CCD sensor */ |
Hans de Goede | 3b4d0ec | 2011-06-26 03:51:19 -0300 | [diff] [blame] | 847 | if (my_power_save == -1) |
| 848 | my_power_save = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 849 | break; |
| 850 | case 0x08b5: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 851 | PWC_INFO("Logitech QuickCam Orbit/Sphere USB webcam detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 852 | name = "Logitech QuickCam Orbit"; |
| 853 | type_id = 740; /* CCD sensor */ |
Hans de Goede | 51886df | 2011-07-03 15:52:54 -0300 | [diff] [blame] | 854 | if (my_power_save == -1) |
| 855 | my_power_save = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 856 | features |= FEATURE_MOTOR_PANTILT; |
| 857 | break; |
| 858 | case 0x08b6: |
Jean Tourrilhes | a63e157 | 2007-03-21 16:29:16 -0300 | [diff] [blame] | 859 | PWC_INFO("Logitech/Cisco VT Camera webcam detected.\n"); |
| 860 | name = "Cisco VT Camera"; |
| 861 | type_id = 740; /* CCD sensor */ |
| 862 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 863 | case 0x08b7: |
Mauro Carvalho Chehab | 6b1ce3c | 2007-03-21 16:35:28 -0300 | [diff] [blame] | 864 | PWC_INFO("Logitech ViewPort AV 100 webcam detected.\n"); |
| 865 | name = "Logitech ViewPort AV 100"; |
| 866 | type_id = 740; /* CCD sensor */ |
| 867 | break; |
| 868 | case 0x08b8: /* Where this released? */ |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 869 | PWC_INFO("Logitech QuickCam detected (reserved ID).\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 870 | name = "Logitech QuickCam (res.)"; |
| 871 | type_id = 730; /* Assuming CMOS */ |
| 872 | break; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 873 | default: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 874 | return -ENODEV; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 875 | break; |
| 876 | } |
| 877 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 878 | else if (vendor_id == 0x055d) { |
| 879 | /* I don't know the difference between the C10 and the C30; |
| 880 | I suppose the difference is the sensor, but both cameras |
| 881 | work equally well with a type_id of 675 |
| 882 | */ |
| 883 | switch(product_id) { |
| 884 | case 0x9000: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 885 | PWC_INFO("Samsung MPC-C10 USB webcam detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 886 | name = "Samsung MPC-C10"; |
| 887 | type_id = 675; |
| 888 | break; |
| 889 | case 0x9001: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 890 | PWC_INFO("Samsung MPC-C30 USB webcam detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 891 | name = "Samsung MPC-C30"; |
| 892 | type_id = 675; |
| 893 | break; |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 894 | case 0x9002: |
| 895 | PWC_INFO("Samsung SNC-35E (v3.0) USB webcam detected.\n"); |
| 896 | name = "Samsung MPC-C30"; |
| 897 | type_id = 740; |
| 898 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 899 | default: |
| 900 | return -ENODEV; |
| 901 | break; |
| 902 | } |
| 903 | } |
| 904 | else if (vendor_id == 0x041e) { |
| 905 | switch(product_id) { |
| 906 | case 0x400c: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 907 | PWC_INFO("Creative Labs Webcam 5 detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 908 | name = "Creative Labs Webcam 5"; |
| 909 | type_id = 730; |
Hans de Goede | 51886df | 2011-07-03 15:52:54 -0300 | [diff] [blame] | 910 | if (my_power_save == -1) |
| 911 | my_power_save = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 912 | break; |
| 913 | case 0x4011: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 914 | PWC_INFO("Creative Labs Webcam Pro Ex detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 915 | name = "Creative Labs Webcam Pro Ex"; |
| 916 | type_id = 740; |
| 917 | break; |
| 918 | default: |
| 919 | return -ENODEV; |
| 920 | break; |
| 921 | } |
| 922 | } |
| 923 | else if (vendor_id == 0x04cc) { |
| 924 | switch(product_id) { |
| 925 | case 0x8116: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 926 | PWC_INFO("Sotec Afina Eye USB webcam detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 927 | name = "Sotec Afina Eye"; |
| 928 | type_id = 730; |
| 929 | break; |
| 930 | default: |
| 931 | return -ENODEV; |
| 932 | break; |
| 933 | } |
| 934 | } |
| 935 | else if (vendor_id == 0x06be) { |
| 936 | switch(product_id) { |
| 937 | case 0x8116: |
| 938 | /* This is essentially the same cam as the Sotec Afina Eye */ |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 939 | PWC_INFO("AME Co. Afina Eye USB webcam detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 940 | name = "AME Co. Afina Eye"; |
| 941 | type_id = 750; |
| 942 | break; |
| 943 | default: |
| 944 | return -ENODEV; |
| 945 | break; |
| 946 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 947 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 948 | } |
| 949 | else if (vendor_id == 0x0d81) { |
| 950 | switch(product_id) { |
| 951 | case 0x1900: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 952 | PWC_INFO("Visionite VCS-UC300 USB webcam detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 953 | name = "Visionite VCS-UC300"; |
| 954 | type_id = 740; /* CCD sensor */ |
| 955 | break; |
| 956 | case 0x1910: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 957 | PWC_INFO("Visionite VCS-UM100 USB webcam detected.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 958 | name = "Visionite VCS-UM100"; |
| 959 | type_id = 730; /* CMOS sensor */ |
| 960 | break; |
| 961 | default: |
| 962 | return -ENODEV; |
| 963 | break; |
| 964 | } |
| 965 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 966 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 967 | return -ENODEV; /* Not any of the know types; but the list keeps growing. */ |
| 968 | |
Hans de Goede | 3b4d0ec | 2011-06-26 03:51:19 -0300 | [diff] [blame] | 969 | if (my_power_save == -1) |
| 970 | my_power_save = 0; |
| 971 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 972 | memset(serial_number, 0, 30); |
| 973 | usb_string(udev, udev->descriptor.iSerialNumber, serial_number, 29); |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 974 | PWC_DEBUG_PROBE("Device serial number is %s\n", serial_number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 975 | |
| 976 | if (udev->descriptor.bNumConfigurations > 1) |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 977 | PWC_WARNING("Warning: more than 1 configuration available.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 978 | |
| 979 | /* Allocate structure, initialize pointers, mutexes, etc. and link it to the usb_device */ |
Eric Sesterhenn | 80b6ca4 | 2006-02-27 21:29:43 +0100 | [diff] [blame] | 980 | pdev = kzalloc(sizeof(struct pwc_device), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 981 | if (pdev == NULL) { |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 982 | PWC_ERROR("Oops, could not allocate memory for pwc_device.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 983 | return -ENOMEM; |
| 984 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 985 | pdev->type = type_id; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 986 | pdev->features = features; |
Hans de Goede | 3b4d0ec | 2011-06-26 03:51:19 -0300 | [diff] [blame] | 987 | pwc_construct(pdev); /* set min/max sizes correct */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 988 | |
Hans de Goede | ceede9f | 2012-05-09 04:43:12 -0300 | [diff] [blame] | 989 | mutex_init(&pdev->v4l2_lock); |
| 990 | mutex_init(&pdev->vb_queue_lock); |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 991 | spin_lock_init(&pdev->queued_bufs_lock); |
| 992 | INIT_LIST_HEAD(&pdev->queued_bufs); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 993 | |
| 994 | pdev->udev = udev; |
Hans de Goede | 3b4d0ec | 2011-06-26 03:51:19 -0300 | [diff] [blame] | 995 | pdev->power_save = my_power_save; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 996 | |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 997 | /* Init videobuf2 queue structure */ |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 998 | pdev->vb_queue.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 999 | pdev->vb_queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ; |
| 1000 | pdev->vb_queue.drv_priv = pdev; |
| 1001 | pdev->vb_queue.buf_struct_size = sizeof(struct pwc_frame_buf); |
| 1002 | pdev->vb_queue.ops = &pwc_vb_queue_ops; |
| 1003 | pdev->vb_queue.mem_ops = &vb2_vmalloc_memops; |
Kamil Debski | 6aa69f9 | 2013-01-25 06:29:57 -0300 | [diff] [blame] | 1004 | pdev->vb_queue.timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; |
Mauro Carvalho Chehab | eda9471 | 2012-10-27 14:26:25 -0300 | [diff] [blame] | 1005 | rc = vb2_queue_init(&pdev->vb_queue); |
| 1006 | if (rc < 0) { |
| 1007 | PWC_ERROR("Oops, could not initialize vb2 queue.\n"); |
| 1008 | goto err_free_mem; |
| 1009 | } |
Hans de Goede | 885fe18 | 2011-06-06 15:33:44 -0300 | [diff] [blame] | 1010 | |
Hans de Goede | 9a7b2d1 | 2011-06-06 14:43:39 -0300 | [diff] [blame] | 1011 | /* Init video_device structure */ |
Ezequiel Garcia | 5c2edef | 2012-10-23 15:57:08 -0300 | [diff] [blame] | 1012 | pdev->vdev = pwc_template; |
Hans de Goede | 9a7b2d1 | 2011-06-06 14:43:39 -0300 | [diff] [blame] | 1013 | strcpy(pdev->vdev.name, name); |
Hans Verkuil | 2e43dec | 2012-07-02 05:51:58 -0300 | [diff] [blame] | 1014 | pdev->vdev.queue = &pdev->vb_queue; |
| 1015 | pdev->vdev.queue->lock = &pdev->vb_queue_lock; |
Hans de Goede | 76ae853 | 2011-07-19 07:14:22 -0300 | [diff] [blame] | 1016 | set_bit(V4L2_FL_USE_FH_PRIO, &pdev->vdev.flags); |
Hans de Goede | 9a7b2d1 | 2011-06-06 14:43:39 -0300 | [diff] [blame] | 1017 | video_set_drvdata(&pdev->vdev, pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1018 | |
| 1019 | pdev->release = le16_to_cpu(udev->descriptor.bcdDevice); |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 1020 | PWC_DEBUG_PROBE("Release: %04x\n", pdev->release); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1021 | |
Hans de Goede | 24be689 | 2012-01-10 17:02:04 -0300 | [diff] [blame] | 1022 | /* Allocate USB command buffers */ |
| 1023 | pdev->ctrl_buf = kmalloc(sizeof(pdev->cmd_buf), GFP_KERNEL); |
| 1024 | if (!pdev->ctrl_buf) { |
| 1025 | PWC_ERROR("Oops, could not allocate memory for pwc_device.\n"); |
| 1026 | rc = -ENOMEM; |
| 1027 | goto err_free_mem; |
| 1028 | } |
| 1029 | |
Hans de Goede | 6eba935 | 2011-06-26 06:49:59 -0300 | [diff] [blame] | 1030 | #ifdef CONFIG_USB_PWC_DEBUG |
| 1031 | /* Query sensor type */ |
| 1032 | if (pwc_get_cmos_sensor(pdev, &rc) >= 0) { |
| 1033 | PWC_DEBUG_OPEN("This %s camera is equipped with a %s (%d).\n", |
| 1034 | pdev->vdev.name, |
| 1035 | pwc_sensor_type_to_string(rc), rc); |
| 1036 | } |
| 1037 | #endif |
| 1038 | |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 1039 | /* Set the leds off */ |
| 1040 | pwc_set_leds(pdev, 0, 0); |
Hans de Goede | 6eba935 | 2011-06-26 06:49:59 -0300 | [diff] [blame] | 1041 | |
| 1042 | /* Setup intial videomode */ |
Hans de Goede | d167a85 | 2012-01-10 13:01:41 -0300 | [diff] [blame] | 1043 | rc = pwc_set_video_mode(pdev, MAX_WIDTH, MAX_HEIGHT, |
Hans de Goede | 938d5b9 | 2012-01-10 13:14:46 -0300 | [diff] [blame] | 1044 | V4L2_PIX_FMT_YUV420, 30, &compression, 1); |
Hans de Goede | 6eba935 | 2011-06-26 06:49:59 -0300 | [diff] [blame] | 1045 | if (rc) |
| 1046 | goto err_free_mem; |
| 1047 | |
Hans de Goede | 6c9cac8 | 2011-06-26 12:52:01 -0300 | [diff] [blame] | 1048 | /* Register controls (and read default values from camera */ |
| 1049 | rc = pwc_init_controls(pdev); |
| 1050 | if (rc) { |
| 1051 | PWC_ERROR("Failed to register v4l2 controls (%d).\n", rc); |
| 1052 | goto err_free_mem; |
| 1053 | } |
| 1054 | |
Hans de Goede | 6eba935 | 2011-06-26 06:49:59 -0300 | [diff] [blame] | 1055 | /* And powerdown the camera until streaming starts */ |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 1056 | pwc_camera_power(pdev, 0); |
| 1057 | |
Hans de Goede | 76ae853 | 2011-07-19 07:14:22 -0300 | [diff] [blame] | 1058 | /* Register the v4l2_device structure */ |
| 1059 | pdev->v4l2_dev.release = pwc_video_release; |
| 1060 | rc = v4l2_device_register(&intf->dev, &pdev->v4l2_dev); |
| 1061 | if (rc) { |
| 1062 | PWC_ERROR("Failed to register v4l2-device (%d).\n", rc); |
| 1063 | goto err_free_controls; |
| 1064 | } |
| 1065 | |
| 1066 | pdev->v4l2_dev.ctrl_handler = &pdev->ctrl_handler; |
| 1067 | pdev->vdev.v4l2_dev = &pdev->v4l2_dev; |
Hans de Goede | ceede9f | 2012-05-09 04:43:12 -0300 | [diff] [blame] | 1068 | pdev->vdev.lock = &pdev->v4l2_lock; |
| 1069 | |
Hans de Goede | a081c34 | 2012-01-10 17:47:25 -0300 | [diff] [blame] | 1070 | rc = video_register_device(&pdev->vdev, VFL_TYPE_GRABBER, -1); |
Hans Verkuil | 479567c | 2010-09-12 17:05:11 -0300 | [diff] [blame] | 1071 | if (rc < 0) { |
| 1072 | PWC_ERROR("Failed to register as video device (%d).\n", rc); |
Hans de Goede | 76ae853 | 2011-07-19 07:14:22 -0300 | [diff] [blame] | 1073 | goto err_unregister_v4l2_dev; |
Hans Verkuil | 479567c | 2010-09-12 17:05:11 -0300 | [diff] [blame] | 1074 | } |
Hans de Goede | 9a7b2d1 | 2011-06-06 14:43:39 -0300 | [diff] [blame] | 1075 | PWC_INFO("Registered as %s.\n", video_device_node_name(&pdev->vdev)); |
Hans Verkuil | 479567c | 2010-09-12 17:05:11 -0300 | [diff] [blame] | 1076 | |
Nam Phạm Thành | e32a7ecc | 2009-01-12 02:50:17 -0300 | [diff] [blame] | 1077 | #ifdef CONFIG_USB_PWC_INPUT_EVDEV |
| 1078 | /* register webcam snapshot button input device */ |
| 1079 | pdev->button_dev = input_allocate_device(); |
| 1080 | if (!pdev->button_dev) { |
| 1081 | PWC_ERROR("Err, insufficient memory for webcam snapshot button device."); |
Dmitry Torokhov | 89dec01 | 2009-08-14 02:22:52 -0300 | [diff] [blame] | 1082 | rc = -ENOMEM; |
Dmitry Torokhov | 89dec01 | 2009-08-14 02:22:52 -0300 | [diff] [blame] | 1083 | goto err_video_unreg; |
Nam Phạm Thành | e32a7ecc | 2009-01-12 02:50:17 -0300 | [diff] [blame] | 1084 | } |
| 1085 | |
Dmitry Torokhov | 89dec01 | 2009-08-14 02:22:52 -0300 | [diff] [blame] | 1086 | usb_make_path(udev, pdev->button_phys, sizeof(pdev->button_phys)); |
| 1087 | strlcat(pdev->button_phys, "/input0", sizeof(pdev->button_phys)); |
| 1088 | |
Nam Phạm Thành | e32a7ecc | 2009-01-12 02:50:17 -0300 | [diff] [blame] | 1089 | pdev->button_dev->name = "PWC snapshot button"; |
Dmitry Torokhov | 89dec01 | 2009-08-14 02:22:52 -0300 | [diff] [blame] | 1090 | pdev->button_dev->phys = pdev->button_phys; |
Nam Phạm Thành | e32a7ecc | 2009-01-12 02:50:17 -0300 | [diff] [blame] | 1091 | usb_to_input_id(pdev->udev, &pdev->button_dev->id); |
| 1092 | pdev->button_dev->dev.parent = &pdev->udev->dev; |
| 1093 | pdev->button_dev->evbit[0] = BIT_MASK(EV_KEY); |
Lennart Poettering | bcd3e4b | 2009-06-11 11:19:33 -0300 | [diff] [blame] | 1094 | pdev->button_dev->keybit[BIT_WORD(KEY_CAMERA)] = BIT_MASK(KEY_CAMERA); |
Nam Phạm Thành | e32a7ecc | 2009-01-12 02:50:17 -0300 | [diff] [blame] | 1095 | |
| 1096 | rc = input_register_device(pdev->button_dev); |
| 1097 | if (rc) { |
| 1098 | input_free_device(pdev->button_dev); |
Nam Phạm Thành | e32a7ecc | 2009-01-12 02:50:17 -0300 | [diff] [blame] | 1099 | pdev->button_dev = NULL; |
Dmitry Torokhov | 89dec01 | 2009-08-14 02:22:52 -0300 | [diff] [blame] | 1100 | goto err_video_unreg; |
Nam Phạm Thành | e32a7ecc | 2009-01-12 02:50:17 -0300 | [diff] [blame] | 1101 | } |
| 1102 | #endif |
| 1103 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1104 | return 0; |
Jeff Garzik | c12e3be | 2006-10-13 07:17:32 -0300 | [diff] [blame] | 1105 | |
Dmitry Torokhov | 89dec01 | 2009-08-14 02:22:52 -0300 | [diff] [blame] | 1106 | err_video_unreg: |
Hans de Goede | 9a7b2d1 | 2011-06-06 14:43:39 -0300 | [diff] [blame] | 1107 | video_unregister_device(&pdev->vdev); |
Hans de Goede | 76ae853 | 2011-07-19 07:14:22 -0300 | [diff] [blame] | 1108 | err_unregister_v4l2_dev: |
| 1109 | v4l2_device_unregister(&pdev->v4l2_dev); |
Hans de Goede | 6c9cac8 | 2011-06-26 12:52:01 -0300 | [diff] [blame] | 1110 | err_free_controls: |
| 1111 | v4l2_ctrl_handler_free(&pdev->ctrl_handler); |
Dmitry Torokhov | 89dec01 | 2009-08-14 02:22:52 -0300 | [diff] [blame] | 1112 | err_free_mem: |
Hans de Goede | 24be689 | 2012-01-10 17:02:04 -0300 | [diff] [blame] | 1113 | kfree(pdev->ctrl_buf); |
Dmitry Torokhov | 89dec01 | 2009-08-14 02:22:52 -0300 | [diff] [blame] | 1114 | kfree(pdev); |
Jeff Garzik | c12e3be | 2006-10-13 07:17:32 -0300 | [diff] [blame] | 1115 | return rc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1116 | } |
| 1117 | |
Dmitry Torokhov | 89dec01 | 2009-08-14 02:22:52 -0300 | [diff] [blame] | 1118 | /* The user yanked out the cable... */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1119 | static void usb_pwc_disconnect(struct usb_interface *intf) |
| 1120 | { |
Hans de Goede | 76ae853 | 2011-07-19 07:14:22 -0300 | [diff] [blame] | 1121 | struct v4l2_device *v = usb_get_intfdata(intf); |
| 1122 | struct pwc_device *pdev = container_of(v, struct pwc_device, v4l2_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1123 | |
Hans de Goede | ceede9f | 2012-05-09 04:43:12 -0300 | [diff] [blame] | 1124 | mutex_lock(&pdev->vb_queue_lock); |
Hans Verkuil | 2e43dec | 2012-07-02 05:51:58 -0300 | [diff] [blame] | 1125 | mutex_lock(&pdev->v4l2_lock); |
Hans de Goede | 9a7b2d1 | 2011-06-06 14:43:39 -0300 | [diff] [blame] | 1126 | /* No need to keep the urbs around after disconnection */ |
Hans de Goede | ceede9f | 2012-05-09 04:43:12 -0300 | [diff] [blame] | 1127 | if (pdev->vb_queue.streaming) |
| 1128 | pwc_isoc_cleanup(pdev); |
Hans de Goede | b824bb4 | 2011-06-25 17:39:19 -0300 | [diff] [blame] | 1129 | pdev->udev = NULL; |
Hans de Goede | c20d78c | 2011-10-09 09:16:46 -0300 | [diff] [blame] | 1130 | pwc_cleanup_queued_bufs(pdev); |
| 1131 | |
Hans de Goede | ceede9f | 2012-05-09 04:43:12 -0300 | [diff] [blame] | 1132 | v4l2_device_disconnect(&pdev->v4l2_dev); |
Hans de Goede | 9a7b2d1 | 2011-06-06 14:43:39 -0300 | [diff] [blame] | 1133 | video_unregister_device(&pdev->vdev); |
Hans de Goede | ceede9f | 2012-05-09 04:43:12 -0300 | [diff] [blame] | 1134 | mutex_unlock(&pdev->v4l2_lock); |
Ezequiel Garcia | 0ab6119 | 2012-07-15 03:00:33 -0300 | [diff] [blame] | 1135 | mutex_unlock(&pdev->vb_queue_lock); |
Hans de Goede | 9a7b2d1 | 2011-06-06 14:43:39 -0300 | [diff] [blame] | 1136 | |
| 1137 | #ifdef CONFIG_USB_PWC_INPUT_EVDEV |
| 1138 | if (pdev->button_dev) |
| 1139 | input_unregister_device(pdev->button_dev); |
| 1140 | #endif |
Hans de Goede | 76ae853 | 2011-07-19 07:14:22 -0300 | [diff] [blame] | 1141 | |
| 1142 | v4l2_device_put(&pdev->v4l2_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1143 | } |
| 1144 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1145 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1146 | /* |
| 1147 | * Initialization code & module stuff |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1148 | */ |
| 1149 | |
Al Viro | 64a6f95 | 2007-10-14 19:35:30 +0100 | [diff] [blame] | 1150 | static unsigned int leds_nargs; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1151 | |
Trent Piepho | 05ad390 | 2007-01-30 23:26:01 -0300 | [diff] [blame] | 1152 | #ifdef CONFIG_USB_PWC_DEBUG |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 1153 | module_param_named(trace, pwc_trace, int, 0644); |
| 1154 | #endif |
Hans de Goede | 3b4d0ec | 2011-06-26 03:51:19 -0300 | [diff] [blame] | 1155 | module_param(power_save, int, 0644); |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 1156 | module_param_array(leds, int, &leds_nargs, 0444); |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 1157 | |
Andrea Odetti | 4315c41 | 2009-12-10 16:26:10 -0300 | [diff] [blame] | 1158 | #ifdef CONFIG_USB_PWC_DEBUG |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1159 | MODULE_PARM_DESC(trace, "For debugging purposes"); |
Andrea Odetti | 4315c41 | 2009-12-10 16:26:10 -0300 | [diff] [blame] | 1160 | #endif |
Hans de Goede | 3b4d0ec | 2011-06-26 03:51:19 -0300 | [diff] [blame] | 1161 | MODULE_PARM_DESC(power_save, "Turn power saving for new cameras on or off"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1162 | MODULE_PARM_DESC(leds, "LED on,off time in milliseconds"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1163 | |
| 1164 | MODULE_DESCRIPTION("Philips & OEM USB webcam driver"); |
| 1165 | MODULE_AUTHOR("Luc Saillard <luc@saillard.org>"); |
| 1166 | MODULE_LICENSE("GPL"); |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 1167 | MODULE_ALIAS("pwcx"); |
| 1168 | MODULE_VERSION( PWC_VERSION ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1169 | |
Hans de Goede | ceede9f | 2012-05-09 04:43:12 -0300 | [diff] [blame] | 1170 | module_usb_driver(pwc_driver); |