Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 1 | /* |
| 2 | * A driver for the AverMedia MR 800 USB FM radio. This device plugs |
| 3 | * into both the USB and an analog audio input, so this thing |
| 4 | * only deals with initialization and frequency setting, the |
| 5 | * audio data has to be handled by a sound driver. |
| 6 | * |
| 7 | * Copyright (c) 2008 Alexey Klimov <klimov.linux@gmail.com> |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | /* |
Alexey Klimov | 71f07d9 | 2009-02-05 08:58:31 -0300 | [diff] [blame] | 25 | * Big thanks to authors and contributors of dsbr100.c and radio-si470x.c |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 26 | * |
| 27 | * When work was looked pretty good, i discover this: |
| 28 | * http://av-usbradio.sourceforge.net/index.php |
| 29 | * http://sourceforge.net/projects/av-usbradio/ |
| 30 | * Latest release of theirs project was in 2005. |
André Goddard Rosa | af901ca | 2009-11-14 13:09:05 -0200 | [diff] [blame] | 31 | * Probably, this driver could be improved through using their |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 32 | * achievements (specifications given). |
Alexey Klimov | 71f07d9 | 2009-02-05 08:58:31 -0300 | [diff] [blame] | 33 | * Also, Faidon Liambotis <paravoid@debian.org> wrote nice driver for this radio |
| 34 | * in 2007. He allowed to use his driver to improve current mr800 radio driver. |
| 35 | * http://kerneltrap.org/mailarchive/linux-usb-devel/2007/10/11/342492 |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 36 | * |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 37 | * Version 0.01: First working version. |
| 38 | * It's required to blacklist AverMedia USB Radio |
| 39 | * in usbhid/hid-quirks.c |
Alexey Klimov | 71f07d9 | 2009-02-05 08:58:31 -0300 | [diff] [blame] | 40 | * Version 0.10: A lot of cleanups and fixes: unpluging the device, |
| 41 | * few mutex locks were added, codinstyle issues, etc. |
| 42 | * Added stereo support. Thanks to |
| 43 | * Douglas Schilling Landgraf <dougsland@gmail.com> and |
| 44 | * David Ellingsworth <david@identd.dyndns.org> |
| 45 | * for discussion, help and support. |
Alexey Klimov | b466248 | 2009-04-03 18:45:27 -0300 | [diff] [blame] | 46 | * Version 0.11: Converted to v4l2_device. |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 47 | * |
| 48 | * Many things to do: |
Uwe Kleine-Koenig | 3dbda77 | 2009-07-23 08:31:31 +0200 | [diff] [blame] | 49 | * - Correct power management of device (suspend & resume) |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 50 | * - Add code for scanning and smooth tuning |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 51 | * - Add code for sensitivity value |
| 52 | * - Correct mistakes |
| 53 | * - In Japan another FREQ_MIN and FREQ_MAX |
| 54 | */ |
| 55 | |
| 56 | /* kernel includes */ |
| 57 | #include <linux/kernel.h> |
| 58 | #include <linux/module.h> |
| 59 | #include <linux/init.h> |
| 60 | #include <linux/slab.h> |
| 61 | #include <linux/input.h> |
| 62 | #include <linux/videodev2.h> |
Alexey Klimov | b466248 | 2009-04-03 18:45:27 -0300 | [diff] [blame] | 63 | #include <media/v4l2-device.h> |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 64 | #include <media/v4l2-ioctl.h> |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 65 | #include <media/v4l2-ctrls.h> |
| 66 | #include <media/v4l2-event.h> |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 67 | #include <linux/usb.h> |
Alessio Igor Bogani | 24c44d8 | 2009-05-12 17:39:27 -0300 | [diff] [blame] | 68 | #include <linux/mutex.h> |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 69 | |
| 70 | /* driver and module definitions */ |
| 71 | #define DRIVER_AUTHOR "Alexey Klimov <klimov.linux@gmail.com>" |
| 72 | #define DRIVER_DESC "AverMedia MR 800 USB FM radio driver" |
Mauro Carvalho Chehab | 29834c1 | 2011-06-25 10:15:42 -0300 | [diff] [blame] | 73 | #define DRIVER_VERSION "0.1.2" |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 74 | |
| 75 | MODULE_AUTHOR(DRIVER_AUTHOR); |
| 76 | MODULE_DESCRIPTION(DRIVER_DESC); |
| 77 | MODULE_LICENSE("GPL"); |
Mauro Carvalho Chehab | 29834c1 | 2011-06-25 10:15:42 -0300 | [diff] [blame] | 78 | MODULE_VERSION(DRIVER_VERSION); |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 79 | |
| 80 | #define USB_AMRADIO_VENDOR 0x07ca |
| 81 | #define USB_AMRADIO_PRODUCT 0xb800 |
| 82 | |
Alexey Klimov | e60b022 | 2008-11-04 15:02:36 -0300 | [diff] [blame] | 83 | /* dev_warn macro with driver name */ |
| 84 | #define MR800_DRIVER_NAME "radio-mr800" |
| 85 | #define amradio_dev_warn(dev, fmt, arg...) \ |
| 86 | dev_warn(dev, MR800_DRIVER_NAME " - " fmt, ##arg) |
| 87 | |
David Ellingsworth | 502d501 | 2009-09-23 18:13:50 -0300 | [diff] [blame] | 88 | #define amradio_dev_err(dev, fmt, arg...) \ |
| 89 | dev_err(dev, MR800_DRIVER_NAME " - " fmt, ##arg) |
| 90 | |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 91 | /* Probably USB_TIMEOUT should be modified in module parameter */ |
| 92 | #define BUFFER_LENGTH 8 |
| 93 | #define USB_TIMEOUT 500 |
| 94 | |
| 95 | /* Frequency limits in MHz -- these are European values. For Japanese |
| 96 | devices, that would be 76 and 91. */ |
| 97 | #define FREQ_MIN 87.5 |
| 98 | #define FREQ_MAX 108.0 |
| 99 | #define FREQ_MUL 16000 |
| 100 | |
Alexey Klimov | db82180 | 2009-02-05 08:53:02 -0300 | [diff] [blame] | 101 | /* |
| 102 | * Commands that device should understand |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 103 | * List isn't full and will be updated with implementation of new functions |
Alexey Klimov | db82180 | 2009-02-05 08:53:02 -0300 | [diff] [blame] | 104 | */ |
Alexey Klimov | f7c1a38 | 2009-02-05 08:54:17 -0300 | [diff] [blame] | 105 | #define AMRADIO_SET_FREQ 0xa4 |
Alexey Klimov | db82180 | 2009-02-05 08:53:02 -0300 | [diff] [blame] | 106 | #define AMRADIO_SET_MUTE 0xab |
Alexey Klimov | 1bb16d7 | 2009-02-05 08:56:07 -0300 | [diff] [blame] | 107 | #define AMRADIO_SET_MONO 0xae |
Alexey Klimov | db82180 | 2009-02-05 08:53:02 -0300 | [diff] [blame] | 108 | |
| 109 | /* Comfortable defines for amradio_set_mute */ |
| 110 | #define AMRADIO_START 0x00 |
| 111 | #define AMRADIO_STOP 0x01 |
| 112 | |
Alexey Klimov | 1bb16d7 | 2009-02-05 08:56:07 -0300 | [diff] [blame] | 113 | /* Comfortable defines for amradio_set_stereo */ |
| 114 | #define WANT_STEREO 0x00 |
| 115 | #define WANT_MONO 0x01 |
| 116 | |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 117 | /* module parameter */ |
| 118 | static int radio_nr = -1; |
| 119 | module_param(radio_nr, int, 0); |
| 120 | MODULE_PARM_DESC(radio_nr, "Radio Nr"); |
| 121 | |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 122 | /* Data for one (physical) device */ |
| 123 | struct amradio_device { |
| 124 | /* reference to USB and video device */ |
| 125 | struct usb_device *usbdev; |
Oliver Neukum | d89ce0d | 2009-11-09 19:09:49 -0300 | [diff] [blame] | 126 | struct usb_interface *intf; |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 127 | struct video_device vdev; |
Alexey Klimov | b466248 | 2009-04-03 18:45:27 -0300 | [diff] [blame] | 128 | struct v4l2_device v4l2_dev; |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 129 | struct v4l2_ctrl_handler hdl; |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 130 | |
| 131 | unsigned char *buffer; |
| 132 | struct mutex lock; /* buffer locking */ |
| 133 | int curfreq; |
| 134 | int stereo; |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 135 | int muted; |
| 136 | }; |
| 137 | |
Hans Verkuil | a2bdc5e | 2010-05-02 05:36:32 -0300 | [diff] [blame] | 138 | static inline struct amradio_device *to_amradio_dev(struct v4l2_device *v4l2_dev) |
| 139 | { |
| 140 | return container_of(v4l2_dev, struct amradio_device, v4l2_dev); |
| 141 | } |
David Ellingsworth | ceb99e1 | 2009-09-23 17:45:31 -0300 | [diff] [blame] | 142 | |
Alexey Klimov | db82180 | 2009-02-05 08:53:02 -0300 | [diff] [blame] | 143 | /* switch on/off the radio. Send 8 bytes to device */ |
| 144 | static int amradio_set_mute(struct amradio_device *radio, char argument) |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 145 | { |
| 146 | int retval; |
| 147 | int size; |
| 148 | |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 149 | radio->buffer[0] = 0x00; |
| 150 | radio->buffer[1] = 0x55; |
| 151 | radio->buffer[2] = 0xaa; |
| 152 | radio->buffer[3] = 0x00; |
Alexey Klimov | db82180 | 2009-02-05 08:53:02 -0300 | [diff] [blame] | 153 | radio->buffer[4] = AMRADIO_SET_MUTE; |
| 154 | radio->buffer[5] = argument; |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 155 | radio->buffer[6] = 0x00; |
| 156 | radio->buffer[7] = 0x00; |
| 157 | |
| 158 | retval = usb_bulk_msg(radio->usbdev, usb_sndintpipe(radio->usbdev, 2), |
| 159 | (void *) (radio->buffer), BUFFER_LENGTH, &size, USB_TIMEOUT); |
| 160 | |
Alexey Klimov | e57458d | 2009-02-05 09:00:03 -0300 | [diff] [blame] | 161 | if (retval < 0 || size != BUFFER_LENGTH) { |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 162 | amradio_dev_warn(&radio->vdev.dev, "set mute failed\n"); |
| 163 | return retval < 0 ? retval : -EIO; |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 164 | } |
Alexey Klimov | db82180 | 2009-02-05 08:53:02 -0300 | [diff] [blame] | 165 | radio->muted = argument; |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 166 | return 0; |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 167 | } |
| 168 | |
| 169 | /* set a frequency, freq is defined by v4l's TUNER_LOW, i.e. 1/16th kHz */ |
| 170 | static int amradio_setfreq(struct amradio_device *radio, int freq) |
| 171 | { |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 172 | unsigned short freq_send = 0x10 + (freq >> 3) / 25; |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 173 | int retval; |
| 174 | int size; |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 175 | |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 176 | radio->buffer[0] = 0x00; |
| 177 | radio->buffer[1] = 0x55; |
| 178 | radio->buffer[2] = 0xaa; |
| 179 | radio->buffer[3] = 0x03; |
Alexey Klimov | f7c1a38 | 2009-02-05 08:54:17 -0300 | [diff] [blame] | 180 | radio->buffer[4] = AMRADIO_SET_FREQ; |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 181 | radio->buffer[5] = 0x00; |
| 182 | radio->buffer[6] = 0x00; |
| 183 | radio->buffer[7] = 0x08; |
| 184 | |
| 185 | retval = usb_bulk_msg(radio->usbdev, usb_sndintpipe(radio->usbdev, 2), |
| 186 | (void *) (radio->buffer), BUFFER_LENGTH, &size, USB_TIMEOUT); |
| 187 | |
David Ellingsworth | 4aebc28 | 2009-09-22 21:22:19 -0300 | [diff] [blame] | 188 | if (retval < 0 || size != BUFFER_LENGTH) |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 189 | goto out; |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 190 | |
| 191 | /* frequency is calculated from freq_send and placed in first 2 bytes */ |
| 192 | radio->buffer[0] = (freq_send >> 8) & 0xff; |
| 193 | radio->buffer[1] = freq_send & 0xff; |
| 194 | radio->buffer[2] = 0x01; |
| 195 | radio->buffer[3] = 0x00; |
| 196 | radio->buffer[4] = 0x00; |
| 197 | /* 5 and 6 bytes of buffer already = 0x00 */ |
| 198 | radio->buffer[7] = 0x00; |
| 199 | |
| 200 | retval = usb_bulk_msg(radio->usbdev, usb_sndintpipe(radio->usbdev, 2), |
| 201 | (void *) (radio->buffer), BUFFER_LENGTH, &size, USB_TIMEOUT); |
| 202 | |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 203 | if (retval >= 0 && size == BUFFER_LENGTH) { |
| 204 | radio->curfreq = freq; |
| 205 | return 0; |
| 206 | } |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 207 | |
David Ellingsworth | 16a72f4 | 2009-09-23 18:28:02 -0300 | [diff] [blame] | 208 | out: |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 209 | amradio_dev_warn(&radio->vdev.dev, "set frequency failed\n"); |
| 210 | return retval < 0 ? retval : -EIO; |
Alexey Klimov | 1bb16d7 | 2009-02-05 08:56:07 -0300 | [diff] [blame] | 211 | } |
| 212 | |
| 213 | static int amradio_set_stereo(struct amradio_device *radio, char argument) |
| 214 | { |
| 215 | int retval; |
| 216 | int size; |
| 217 | |
Alexey Klimov | 1bb16d7 | 2009-02-05 08:56:07 -0300 | [diff] [blame] | 218 | radio->buffer[0] = 0x00; |
| 219 | radio->buffer[1] = 0x55; |
| 220 | radio->buffer[2] = 0xaa; |
| 221 | radio->buffer[3] = 0x00; |
| 222 | radio->buffer[4] = AMRADIO_SET_MONO; |
| 223 | radio->buffer[5] = argument; |
| 224 | radio->buffer[6] = 0x00; |
| 225 | radio->buffer[7] = 0x00; |
| 226 | |
| 227 | retval = usb_bulk_msg(radio->usbdev, usb_sndintpipe(radio->usbdev, 2), |
| 228 | (void *) (radio->buffer), BUFFER_LENGTH, &size, USB_TIMEOUT); |
| 229 | |
| 230 | if (retval < 0 || size != BUFFER_LENGTH) { |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 231 | amradio_dev_warn(&radio->vdev.dev, "set stereo failed\n"); |
| 232 | return retval < 0 ? retval : -EIO; |
Alexey Klimov | 1bb16d7 | 2009-02-05 08:56:07 -0300 | [diff] [blame] | 233 | } |
| 234 | |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 235 | radio->stereo = (argument == WANT_STEREO); |
| 236 | return 0; |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 237 | } |
| 238 | |
Alexey Klimov | 71f07d9 | 2009-02-05 08:58:31 -0300 | [diff] [blame] | 239 | /* Handle unplugging the device. |
| 240 | * We call video_unregister_device in any case. |
| 241 | * The last function called in this procedure is |
| 242 | * usb_amradio_device_release. |
| 243 | */ |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 244 | static void usb_amradio_disconnect(struct usb_interface *intf) |
| 245 | { |
Hans Verkuil | a2bdc5e | 2010-05-02 05:36:32 -0300 | [diff] [blame] | 246 | struct amradio_device *radio = to_amradio_dev(usb_get_intfdata(intf)); |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 247 | |
Alexey Klimov | f4e9043 | 2008-12-27 21:30:34 -0300 | [diff] [blame] | 248 | mutex_lock(&radio->lock); |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 249 | usb_set_intfdata(intf, NULL); |
| 250 | video_unregister_device(&radio->vdev); |
Alexey Klimov | b466248 | 2009-04-03 18:45:27 -0300 | [diff] [blame] | 251 | v4l2_device_disconnect(&radio->v4l2_dev); |
Hans Verkuil | a682d4c | 2010-10-17 09:26:18 -0300 | [diff] [blame] | 252 | mutex_unlock(&radio->lock); |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 253 | v4l2_device_put(&radio->v4l2_dev); |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 254 | } |
| 255 | |
| 256 | /* vidioc_querycap - query device capabilities */ |
| 257 | static int vidioc_querycap(struct file *file, void *priv, |
| 258 | struct v4l2_capability *v) |
| 259 | { |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 260 | struct amradio_device *radio = video_drvdata(file); |
Alexey Klimov | c7181cf | 2009-01-25 20:05:58 -0300 | [diff] [blame] | 261 | |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 262 | strlcpy(v->driver, "radio-mr800", sizeof(v->driver)); |
| 263 | strlcpy(v->card, "AverMedia MR 800 USB FM Radio", sizeof(v->card)); |
Alexey Klimov | c7181cf | 2009-01-25 20:05:58 -0300 | [diff] [blame] | 264 | usb_make_path(radio->usbdev, v->bus_info, sizeof(v->bus_info)); |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 265 | v->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER; |
| 266 | v->capabilities = v->device_caps | V4L2_CAP_DEVICE_CAPS; |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 267 | return 0; |
| 268 | } |
| 269 | |
| 270 | /* vidioc_g_tuner - get tuner attributes */ |
| 271 | static int vidioc_g_tuner(struct file *file, void *priv, |
| 272 | struct v4l2_tuner *v) |
| 273 | { |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 274 | struct amradio_device *radio = video_drvdata(file); |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 275 | |
| 276 | if (v->index > 0) |
| 277 | return -EINVAL; |
| 278 | |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 279 | strcpy(v->name, "FM"); |
| 280 | v->type = V4L2_TUNER_RADIO; |
| 281 | v->rangelow = FREQ_MIN * FREQ_MUL; |
| 282 | v->rangehigh = FREQ_MAX * FREQ_MUL; |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 283 | v->capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO; |
| 284 | /* We do not know how to get hold of the stereo indicator, so |
| 285 | all we can do is give back both mono and stereo, which |
| 286 | effectively means that we don't know. */ |
| 287 | v->rxsubchans = V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_MONO; |
| 288 | v->signal = 0xffff; |
| 289 | v->audmode = radio->stereo ? |
| 290 | V4L2_TUNER_MODE_STEREO : V4L2_TUNER_MODE_MONO; |
| 291 | return 0; |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 292 | } |
| 293 | |
| 294 | /* vidioc_s_tuner - set tuner attributes */ |
| 295 | static int vidioc_s_tuner(struct file *file, void *priv, |
| 296 | struct v4l2_tuner *v) |
| 297 | { |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 298 | struct amradio_device *radio = video_drvdata(file); |
Alexey Klimov | 3480130 | 2008-11-19 00:36:29 -0300 | [diff] [blame] | 299 | |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 300 | if (v->index > 0) |
| 301 | return -EINVAL; |
Alexey Klimov | 1bb16d7 | 2009-02-05 08:56:07 -0300 | [diff] [blame] | 302 | |
| 303 | /* mono/stereo selector */ |
| 304 | switch (v->audmode) { |
| 305 | case V4L2_TUNER_MODE_MONO: |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 306 | return amradio_set_stereo(radio, WANT_MONO); |
| 307 | default: |
| 308 | return amradio_set_stereo(radio, WANT_STEREO); |
Alexey Klimov | 1bb16d7 | 2009-02-05 08:56:07 -0300 | [diff] [blame] | 309 | } |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 310 | } |
| 311 | |
| 312 | /* vidioc_s_frequency - set tuner radio frequency */ |
| 313 | static int vidioc_s_frequency(struct file *file, void *priv, |
| 314 | struct v4l2_frequency *f) |
| 315 | { |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 316 | struct amradio_device *radio = video_drvdata(file); |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 317 | |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 318 | if (f->tuner != 0) |
Hans Verkuil | a3a9e28 | 2009-11-27 04:33:25 -0300 | [diff] [blame] | 319 | return -EINVAL; |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 320 | return amradio_setfreq(radio, clamp_t(unsigned, f->frequency, |
| 321 | FREQ_MIN * FREQ_MUL, FREQ_MAX * FREQ_MUL)); |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 322 | } |
| 323 | |
| 324 | /* vidioc_g_frequency - get tuner radio frequency */ |
| 325 | static int vidioc_g_frequency(struct file *file, void *priv, |
| 326 | struct v4l2_frequency *f) |
| 327 | { |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 328 | struct amradio_device *radio = video_drvdata(file); |
Alexey Klimov | 3480130 | 2008-11-19 00:36:29 -0300 | [diff] [blame] | 329 | |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 330 | if (f->tuner != 0 || f->type != V4L2_TUNER_RADIO) |
Hans Verkuil | a3a9e28 | 2009-11-27 04:33:25 -0300 | [diff] [blame] | 331 | return -EINVAL; |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 332 | f->type = V4L2_TUNER_RADIO; |
| 333 | f->frequency = radio->curfreq; |
David Ellingsworth | 4aebc28 | 2009-09-22 21:22:19 -0300 | [diff] [blame] | 334 | |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 335 | return 0; |
| 336 | } |
| 337 | |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 338 | static int usb_amradio_s_ctrl(struct v4l2_ctrl *ctrl) |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 339 | { |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 340 | struct amradio_device *radio = |
| 341 | container_of(ctrl->handler, struct amradio_device, hdl); |
Alexey Klimov | 3480130 | 2008-11-19 00:36:29 -0300 | [diff] [blame] | 342 | |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 343 | switch (ctrl->id) { |
| 344 | case V4L2_CID_AUDIO_MUTE: |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 345 | return amradio_set_mute(radio, |
| 346 | ctrl->val ? AMRADIO_STOP : AMRADIO_START); |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 347 | } |
David Ellingsworth | 4aebc28 | 2009-09-22 21:22:19 -0300 | [diff] [blame] | 348 | |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 349 | return -EINVAL; |
| 350 | } |
| 351 | |
David Ellingsworth | 502d501 | 2009-09-23 18:13:50 -0300 | [diff] [blame] | 352 | static int usb_amradio_init(struct amradio_device *radio) |
| 353 | { |
| 354 | int retval; |
| 355 | |
| 356 | retval = amradio_set_mute(radio, AMRADIO_STOP); |
David Ellingsworth | 16a72f4 | 2009-09-23 18:28:02 -0300 | [diff] [blame] | 357 | if (retval) |
David Ellingsworth | 502d501 | 2009-09-23 18:13:50 -0300 | [diff] [blame] | 358 | goto out_err; |
David Ellingsworth | 502d501 | 2009-09-23 18:13:50 -0300 | [diff] [blame] | 359 | |
| 360 | retval = amradio_set_stereo(radio, WANT_STEREO); |
David Ellingsworth | 16a72f4 | 2009-09-23 18:28:02 -0300 | [diff] [blame] | 361 | if (retval) |
David Ellingsworth | 502d501 | 2009-09-23 18:13:50 -0300 | [diff] [blame] | 362 | goto out_err; |
David Ellingsworth | 502d501 | 2009-09-23 18:13:50 -0300 | [diff] [blame] | 363 | |
David Ellingsworth | 502d501 | 2009-09-23 18:13:50 -0300 | [diff] [blame] | 364 | goto out; |
| 365 | |
| 366 | out_err: |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 367 | amradio_dev_err(&radio->vdev.dev, "initialization failed\n"); |
David Ellingsworth | 502d501 | 2009-09-23 18:13:50 -0300 | [diff] [blame] | 368 | out: |
| 369 | return retval; |
| 370 | } |
| 371 | |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 372 | /* Suspend device - stop device. Need to be checked and fixed */ |
| 373 | static int usb_amradio_suspend(struct usb_interface *intf, pm_message_t message) |
| 374 | { |
Hans Verkuil | a2bdc5e | 2010-05-02 05:36:32 -0300 | [diff] [blame] | 375 | struct amradio_device *radio = to_amradio_dev(usb_get_intfdata(intf)); |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 376 | |
Hans Verkuil | a682d4c | 2010-10-17 09:26:18 -0300 | [diff] [blame] | 377 | mutex_lock(&radio->lock); |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 378 | if (!radio->muted) { |
David Ellingsworth | 16a72f4 | 2009-09-23 18:28:02 -0300 | [diff] [blame] | 379 | amradio_set_mute(radio, AMRADIO_STOP); |
David Ellingsworth | d8970e5 | 2009-09-23 18:24:47 -0300 | [diff] [blame] | 380 | radio->muted = 0; |
| 381 | } |
Hans Verkuil | a682d4c | 2010-10-17 09:26:18 -0300 | [diff] [blame] | 382 | mutex_unlock(&radio->lock); |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 383 | |
Alexey Klimov | e60b022 | 2008-11-04 15:02:36 -0300 | [diff] [blame] | 384 | dev_info(&intf->dev, "going into suspend..\n"); |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 385 | return 0; |
| 386 | } |
| 387 | |
| 388 | /* Resume device - start device. Need to be checked and fixed */ |
| 389 | static int usb_amradio_resume(struct usb_interface *intf) |
| 390 | { |
Hans Verkuil | a2bdc5e | 2010-05-02 05:36:32 -0300 | [diff] [blame] | 391 | struct amradio_device *radio = to_amradio_dev(usb_get_intfdata(intf)); |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 392 | |
Hans Verkuil | a682d4c | 2010-10-17 09:26:18 -0300 | [diff] [blame] | 393 | mutex_lock(&radio->lock); |
David Ellingsworth | d8970e5 | 2009-09-23 18:24:47 -0300 | [diff] [blame] | 394 | if (radio->stereo) |
David Ellingsworth | 16a72f4 | 2009-09-23 18:28:02 -0300 | [diff] [blame] | 395 | amradio_set_stereo(radio, WANT_STEREO); |
David Ellingsworth | d8970e5 | 2009-09-23 18:24:47 -0300 | [diff] [blame] | 396 | else |
David Ellingsworth | 16a72f4 | 2009-09-23 18:28:02 -0300 | [diff] [blame] | 397 | amradio_set_stereo(radio, WANT_MONO); |
David Ellingsworth | d8970e5 | 2009-09-23 18:24:47 -0300 | [diff] [blame] | 398 | |
David Ellingsworth | 16a72f4 | 2009-09-23 18:28:02 -0300 | [diff] [blame] | 399 | amradio_setfreq(radio, radio->curfreq); |
David Ellingsworth | d8970e5 | 2009-09-23 18:24:47 -0300 | [diff] [blame] | 400 | |
David Ellingsworth | 16a72f4 | 2009-09-23 18:28:02 -0300 | [diff] [blame] | 401 | if (!radio->muted) |
| 402 | amradio_set_mute(radio, AMRADIO_START); |
David Ellingsworth | d8970e5 | 2009-09-23 18:24:47 -0300 | [diff] [blame] | 403 | |
Hans Verkuil | a682d4c | 2010-10-17 09:26:18 -0300 | [diff] [blame] | 404 | mutex_unlock(&radio->lock); |
| 405 | |
Alexey Klimov | e60b022 | 2008-11-04 15:02:36 -0300 | [diff] [blame] | 406 | dev_info(&intf->dev, "coming out of suspend..\n"); |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 407 | return 0; |
| 408 | } |
| 409 | |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 410 | static const struct v4l2_ctrl_ops usb_amradio_ctrl_ops = { |
| 411 | .s_ctrl = usb_amradio_s_ctrl, |
| 412 | }; |
| 413 | |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 414 | /* File system interface */ |
Hans Verkuil | bec4366 | 2008-12-30 06:58:20 -0300 | [diff] [blame] | 415 | static const struct v4l2_file_operations usb_amradio_fops = { |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 416 | .owner = THIS_MODULE, |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 417 | .open = v4l2_fh_open, |
| 418 | .release = v4l2_fh_release, |
| 419 | .poll = v4l2_ctrl_poll, |
Hans Verkuil | 361ae54 | 2010-09-26 08:01:18 -0300 | [diff] [blame] | 420 | .unlocked_ioctl = video_ioctl2, |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 421 | }; |
| 422 | |
| 423 | static const struct v4l2_ioctl_ops usb_amradio_ioctl_ops = { |
| 424 | .vidioc_querycap = vidioc_querycap, |
| 425 | .vidioc_g_tuner = vidioc_g_tuner, |
| 426 | .vidioc_s_tuner = vidioc_s_tuner, |
| 427 | .vidioc_g_frequency = vidioc_g_frequency, |
| 428 | .vidioc_s_frequency = vidioc_s_frequency, |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 429 | .vidioc_log_status = v4l2_ctrl_log_status, |
| 430 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, |
| 431 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 432 | }; |
| 433 | |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 434 | static void usb_amradio_release(struct v4l2_device *v4l2_dev) |
Alexey Klimov | f4e9043 | 2008-12-27 21:30:34 -0300 | [diff] [blame] | 435 | { |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 436 | struct amradio_device *radio = to_amradio_dev(v4l2_dev); |
Alexey Klimov | b466248 | 2009-04-03 18:45:27 -0300 | [diff] [blame] | 437 | |
Alexey Klimov | f4e9043 | 2008-12-27 21:30:34 -0300 | [diff] [blame] | 438 | /* free rest memory */ |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 439 | v4l2_ctrl_handler_free(&radio->hdl); |
| 440 | v4l2_device_unregister(&radio->v4l2_dev); |
Alexey Klimov | f4e9043 | 2008-12-27 21:30:34 -0300 | [diff] [blame] | 441 | kfree(radio->buffer); |
| 442 | kfree(radio); |
| 443 | } |
| 444 | |
Alexey Klimov | a5d6947 | 2009-02-05 08:48:43 -0300 | [diff] [blame] | 445 | /* check if the device is present and register with v4l and usb if it is */ |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 446 | static int usb_amradio_probe(struct usb_interface *intf, |
| 447 | const struct usb_device_id *id) |
| 448 | { |
| 449 | struct amradio_device *radio; |
David Ellingsworth | 1b8bbb3 | 2009-09-22 21:43:19 -0300 | [diff] [blame] | 450 | int retval = 0; |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 451 | |
Alexey Klimov | b466248 | 2009-04-03 18:45:27 -0300 | [diff] [blame] | 452 | radio = kzalloc(sizeof(struct amradio_device), GFP_KERNEL); |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 453 | |
Alexey Klimov | 8edafcc | 2009-02-05 08:51:51 -0300 | [diff] [blame] | 454 | if (!radio) { |
| 455 | dev_err(&intf->dev, "kmalloc for amradio_device failed\n"); |
David Ellingsworth | 1b8bbb3 | 2009-09-22 21:43:19 -0300 | [diff] [blame] | 456 | retval = -ENOMEM; |
| 457 | goto err; |
Alexey Klimov | 8edafcc | 2009-02-05 08:51:51 -0300 | [diff] [blame] | 458 | } |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 459 | |
| 460 | radio->buffer = kmalloc(BUFFER_LENGTH, GFP_KERNEL); |
| 461 | |
Alexey Klimov | 8edafcc | 2009-02-05 08:51:51 -0300 | [diff] [blame] | 462 | if (!radio->buffer) { |
| 463 | dev_err(&intf->dev, "kmalloc for radio->buffer failed\n"); |
David Ellingsworth | 1b8bbb3 | 2009-09-22 21:43:19 -0300 | [diff] [blame] | 464 | retval = -ENOMEM; |
| 465 | goto err_nobuf; |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 466 | } |
| 467 | |
David Ellingsworth | d1939e4 | 2009-09-22 21:48:43 -0300 | [diff] [blame] | 468 | retval = v4l2_device_register(&intf->dev, &radio->v4l2_dev); |
Alexey Klimov | b466248 | 2009-04-03 18:45:27 -0300 | [diff] [blame] | 469 | if (retval < 0) { |
| 470 | dev_err(&intf->dev, "couldn't register v4l2_device\n"); |
David Ellingsworth | 1b8bbb3 | 2009-09-22 21:43:19 -0300 | [diff] [blame] | 471 | goto err_v4l2; |
Alexey Klimov | b466248 | 2009-04-03 18:45:27 -0300 | [diff] [blame] | 472 | } |
| 473 | |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 474 | v4l2_ctrl_handler_init(&radio->hdl, 1); |
| 475 | v4l2_ctrl_new_std(&radio->hdl, &usb_amradio_ctrl_ops, |
| 476 | V4L2_CID_AUDIO_MUTE, 0, 1, 1, 1); |
| 477 | if (radio->hdl.error) { |
| 478 | retval = radio->hdl.error; |
| 479 | dev_err(&intf->dev, "couldn't register control\n"); |
| 480 | goto err_ctrl; |
| 481 | } |
Hans Verkuil | 361ae54 | 2010-09-26 08:01:18 -0300 | [diff] [blame] | 482 | mutex_init(&radio->lock); |
| 483 | |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 484 | radio->v4l2_dev.ctrl_handler = &radio->hdl; |
| 485 | radio->v4l2_dev.release = usb_amradio_release; |
| 486 | strlcpy(radio->vdev.name, radio->v4l2_dev.name, |
| 487 | sizeof(radio->vdev.name)); |
| 488 | radio->vdev.v4l2_dev = &radio->v4l2_dev; |
| 489 | radio->vdev.fops = &usb_amradio_fops; |
| 490 | radio->vdev.ioctl_ops = &usb_amradio_ioctl_ops; |
| 491 | radio->vdev.release = video_device_release_empty; |
| 492 | radio->vdev.lock = &radio->lock; |
| 493 | set_bit(V4L2_FL_USE_FH_PRIO, &radio->vdev.flags); |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 494 | |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 495 | radio->usbdev = interface_to_usbdev(intf); |
Oliver Neukum | d89ce0d | 2009-11-09 19:09:49 -0300 | [diff] [blame] | 496 | radio->intf = intf; |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 497 | usb_set_intfdata(intf, &radio->v4l2_dev); |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 498 | radio->curfreq = 95.16 * FREQ_MUL; |
| 499 | |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 500 | video_set_drvdata(&radio->vdev, radio); |
| 501 | retval = usb_amradio_init(radio); |
| 502 | if (retval) |
| 503 | goto err_vdev; |
Alexey Klimov | b466248 | 2009-04-03 18:45:27 -0300 | [diff] [blame] | 504 | |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 505 | retval = video_register_device(&radio->vdev, VFL_TYPE_RADIO, |
David Ellingsworth | 7a7d92e | 2009-09-22 21:37:30 -0300 | [diff] [blame] | 506 | radio_nr); |
Alexey Klimov | a5d6947 | 2009-02-05 08:48:43 -0300 | [diff] [blame] | 507 | if (retval < 0) { |
Alexey Klimov | 65c51dc | 2009-02-05 08:49:58 -0300 | [diff] [blame] | 508 | dev_err(&intf->dev, "could not register video device\n"); |
David Ellingsworth | 1b8bbb3 | 2009-09-22 21:43:19 -0300 | [diff] [blame] | 509 | goto err_vdev; |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 510 | } |
| 511 | |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 512 | return 0; |
David Ellingsworth | 1b8bbb3 | 2009-09-22 21:43:19 -0300 | [diff] [blame] | 513 | |
| 514 | err_vdev: |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 515 | v4l2_ctrl_handler_free(&radio->hdl); |
| 516 | err_ctrl: |
David Ellingsworth | d1939e4 | 2009-09-22 21:48:43 -0300 | [diff] [blame] | 517 | v4l2_device_unregister(&radio->v4l2_dev); |
David Ellingsworth | 1b8bbb3 | 2009-09-22 21:43:19 -0300 | [diff] [blame] | 518 | err_v4l2: |
| 519 | kfree(radio->buffer); |
| 520 | err_nobuf: |
| 521 | kfree(radio); |
| 522 | err: |
| 523 | return retval; |
Alexey Klimov | 2aa72f3 | 2008-10-01 09:40:59 -0300 | [diff] [blame] | 524 | } |
| 525 | |
Hans Verkuil | 85578b0 | 2012-04-27 12:30:40 -0300 | [diff] [blame^] | 526 | /* USB Device ID List */ |
| 527 | static struct usb_device_id usb_amradio_device_table[] = { |
| 528 | { USB_DEVICE_AND_INTERFACE_INFO(USB_AMRADIO_VENDOR, USB_AMRADIO_PRODUCT, |
| 529 | USB_CLASS_HID, 0, 0) }, |
| 530 | { } /* Terminating entry */ |
| 531 | }; |
| 532 | |
| 533 | MODULE_DEVICE_TABLE(usb, usb_amradio_device_table); |
| 534 | |
| 535 | /* USB subsystem interface */ |
| 536 | static struct usb_driver usb_amradio_driver = { |
| 537 | .name = MR800_DRIVER_NAME, |
| 538 | .probe = usb_amradio_probe, |
| 539 | .disconnect = usb_amradio_disconnect, |
| 540 | .suspend = usb_amradio_suspend, |
| 541 | .resume = usb_amradio_resume, |
| 542 | .reset_resume = usb_amradio_resume, |
| 543 | .id_table = usb_amradio_device_table, |
| 544 | }; |
| 545 | |
Greg Kroah-Hartman | ecb3b2b | 2011-11-18 09:46:12 -0800 | [diff] [blame] | 546 | module_usb_driver(usb_amradio_driver); |