Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 1 | /* |
Antti Palosaari | 12042b0 | 2012-06-20 23:09:41 -0300 | [diff] [blame] | 2 | * DVB USB framework |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 3 | * |
Antti Palosaari | 12042b0 | 2012-06-20 23:09:41 -0300 | [diff] [blame] | 4 | * Copyright (C) 2004-6 Patrick Boettcher <patrick.boettcher@desy.de> |
| 5 | * Copyright (C) 2012 Antti Palosaari <crope@iki.fi> |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 6 | * |
Antti Palosaari | 12042b0 | 2012-06-20 23:09:41 -0300 | [diff] [blame] | 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 11 | * |
Antti Palosaari | 12042b0 | 2012-06-20 23:09:41 -0300 | [diff] [blame] | 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 16 | * |
Antti Palosaari | 12042b0 | 2012-06-20 23:09:41 -0300 | [diff] [blame] | 17 | * You should have received a copy of the GNU General Public License along |
| 18 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 20 | */ |
Antti Palosaari | 12042b0 | 2012-06-20 23:09:41 -0300 | [diff] [blame] | 21 | |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 22 | #include "dvb_usb_common.h" |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 23 | |
| 24 | int dvb_usbv2_disable_rc_polling; |
| 25 | module_param_named(disable_rc_polling, dvb_usbv2_disable_rc_polling, int, 0644); |
| 26 | MODULE_PARM_DESC(disable_rc_polling, |
Antti Palosaari | 831511b | 2012-06-20 00:32:53 -0300 | [diff] [blame] | 27 | "disable remote control polling (default: 0)"); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 28 | static int dvb_usb_force_pid_filter_usage; |
| 29 | module_param_named(force_pid_filter_usage, dvb_usb_force_pid_filter_usage, |
| 30 | int, 0444); |
Antti Palosaari | 831511b | 2012-06-20 00:32:53 -0300 | [diff] [blame] | 31 | MODULE_PARM_DESC(force_pid_filter_usage, "force all DVB USB devices to use a " \ |
| 32 | "PID filter, if any (default: 0)"); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 33 | |
| 34 | static int dvb_usbv2_download_firmware(struct dvb_usb_device *d, const char *name) |
| 35 | { |
| 36 | int ret; |
| 37 | const struct firmware *fw; |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 38 | dev_dbg(&d->udev->dev, "%s:\n", __func__); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 39 | |
| 40 | if (!d->props->download_firmware) { |
| 41 | ret = -EINVAL; |
| 42 | goto err; |
| 43 | } |
| 44 | |
| 45 | ret = request_firmware(&fw, name, &d->udev->dev); |
| 46 | if (ret < 0) { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 47 | dev_err(&d->udev->dev, "%s: Did not find the firmware file "\ |
| 48 | "'%s'. Please see linux/Documentation/dvb/ " \ |
| 49 | "for more details on firmware-problems. " \ |
| 50 | "Status %d\n", KBUILD_MODNAME, name, ret); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 51 | goto err; |
| 52 | } |
| 53 | |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 54 | dev_info(&d->udev->dev, "%s: downloading firmware from file '%s'\n", |
| 55 | KBUILD_MODNAME, name); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 56 | |
| 57 | ret = d->props->download_firmware(d, fw); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 58 | release_firmware(fw); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 59 | if (ret < 0) |
| 60 | goto err; |
| 61 | |
| 62 | return ret; |
| 63 | err: |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 64 | dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 65 | return ret; |
| 66 | } |
| 67 | |
| 68 | static int dvb_usbv2_i2c_init(struct dvb_usb_device *d) |
| 69 | { |
| 70 | int ret; |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 71 | dev_dbg(&d->udev->dev, "%s:\n", __func__); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 72 | |
| 73 | if (!d->props->i2c_algo) |
| 74 | return 0; |
| 75 | |
| 76 | strlcpy(d->i2c_adap.name, d->name, sizeof(d->i2c_adap.name)); |
| 77 | d->i2c_adap.algo = d->props->i2c_algo; |
| 78 | d->i2c_adap.dev.parent = &d->udev->dev; |
| 79 | i2c_set_adapdata(&d->i2c_adap, d); |
| 80 | |
| 81 | ret = i2c_add_adapter(&d->i2c_adap); |
| 82 | if (ret < 0) { |
| 83 | d->i2c_adap.algo = NULL; |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 84 | dev_err(&d->udev->dev, "%s: i2c_add_adapter() failed=%d\n", |
| 85 | KBUILD_MODNAME, ret); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 86 | goto err; |
| 87 | } |
| 88 | |
| 89 | return 0; |
| 90 | err: |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 91 | dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 92 | return ret; |
| 93 | } |
| 94 | |
| 95 | static int dvb_usbv2_i2c_exit(struct dvb_usb_device *d) |
| 96 | { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 97 | dev_dbg(&d->udev->dev, "%s:\n", __func__); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 98 | |
| 99 | if (d->i2c_adap.algo) |
| 100 | i2c_del_adapter(&d->i2c_adap); |
| 101 | |
| 102 | return 0; |
| 103 | } |
| 104 | |
Antti Palosaari | 0c87c66 | 2012-11-29 00:05:35 -0300 | [diff] [blame^] | 105 | #if defined(CONFIG_RC_CORE) || defined(CONFIG_RC_CORE_MODULE) |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 106 | static void dvb_usb_read_remote_control(struct work_struct *work) |
| 107 | { |
| 108 | struct dvb_usb_device *d = container_of(work, |
| 109 | struct dvb_usb_device, rc_query_work.work); |
| 110 | int ret; |
| 111 | |
Antti Palosaari | 831511b | 2012-06-20 00:32:53 -0300 | [diff] [blame] | 112 | /* |
| 113 | * When the parameter has been set to 1 via sysfs while the |
| 114 | * driver was running, or when bulk mode is enabled after IR init. |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 115 | */ |
| 116 | if (dvb_usbv2_disable_rc_polling || d->rc.bulk_mode) |
| 117 | return; |
| 118 | |
| 119 | ret = d->rc.query(d); |
Antti Palosaari | 831511b | 2012-06-20 00:32:53 -0300 | [diff] [blame] | 120 | if (ret < 0) { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 121 | dev_err(&d->udev->dev, "%s: rc.query() failed=%d\n", |
| 122 | KBUILD_MODNAME, ret); |
Antti Palosaari | 831511b | 2012-06-20 00:32:53 -0300 | [diff] [blame] | 123 | return; /* stop polling */ |
| 124 | } |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 125 | |
| 126 | schedule_delayed_work(&d->rc_query_work, |
Antti Palosaari | 831511b | 2012-06-20 00:32:53 -0300 | [diff] [blame] | 127 | msecs_to_jiffies(d->rc.interval)); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 128 | } |
| 129 | |
| 130 | static int dvb_usbv2_remote_init(struct dvb_usb_device *d) |
| 131 | { |
| 132 | int ret; |
| 133 | struct rc_dev *dev; |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 134 | dev_dbg(&d->udev->dev, "%s:\n", __func__); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 135 | |
| 136 | if (dvb_usbv2_disable_rc_polling || !d->props->get_rc_config) |
| 137 | return 0; |
| 138 | |
Antti Palosaari | de73bee | 2012-07-05 19:57:07 -0300 | [diff] [blame] | 139 | d->rc.map_name = d->rc_map; |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 140 | ret = d->props->get_rc_config(d, &d->rc); |
| 141 | if (ret < 0) |
| 142 | goto err; |
| 143 | |
Antti Palosaari | de73bee | 2012-07-05 19:57:07 -0300 | [diff] [blame] | 144 | /* disable rc when there is no keymap defined */ |
| 145 | if (!d->rc.map_name) |
| 146 | return 0; |
| 147 | |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 148 | dev = rc_allocate_device(); |
| 149 | if (!dev) { |
| 150 | ret = -ENOMEM; |
| 151 | goto err; |
| 152 | } |
| 153 | |
| 154 | dev->dev.parent = &d->udev->dev; |
Antti Palosaari | 831511b | 2012-06-20 00:32:53 -0300 | [diff] [blame] | 155 | dev->input_name = d->name; |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 156 | usb_make_path(d->udev, d->rc_phys, sizeof(d->rc_phys)); |
| 157 | strlcat(d->rc_phys, "/ir0", sizeof(d->rc_phys)); |
| 158 | dev->input_phys = d->rc_phys; |
| 159 | usb_to_input_id(d->udev, &dev->input_id); |
| 160 | /* TODO: likely RC-core should took const char * */ |
| 161 | dev->driver_name = (char *) d->props->driver_name; |
Antti Palosaari | de73bee | 2012-07-05 19:57:07 -0300 | [diff] [blame] | 162 | dev->map_name = d->rc.map_name; |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 163 | dev->driver_type = d->rc.driver_type; |
| 164 | dev->allowed_protos = d->rc.allowed_protos; |
| 165 | dev->change_protocol = d->rc.change_protocol; |
| 166 | dev->priv = d; |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 167 | |
| 168 | ret = rc_register_device(dev); |
| 169 | if (ret < 0) { |
| 170 | rc_free_device(dev); |
| 171 | goto err; |
| 172 | } |
| 173 | |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 174 | d->rc_dev = dev; |
| 175 | |
| 176 | /* start polling if needed */ |
| 177 | if (d->rc.query && !d->rc.bulk_mode) { |
| 178 | /* initialize a work queue for handling polling */ |
| 179 | INIT_DELAYED_WORK(&d->rc_query_work, |
| 180 | dvb_usb_read_remote_control); |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 181 | dev_info(&d->udev->dev, "%s: schedule remote query interval " \ |
| 182 | "to %d msecs\n", KBUILD_MODNAME, |
| 183 | d->rc.interval); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 184 | schedule_delayed_work(&d->rc_query_work, |
| 185 | msecs_to_jiffies(d->rc.interval)); |
| 186 | } |
| 187 | |
| 188 | return 0; |
| 189 | err: |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 190 | dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 191 | return ret; |
| 192 | } |
| 193 | |
| 194 | static int dvb_usbv2_remote_exit(struct dvb_usb_device *d) |
| 195 | { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 196 | dev_dbg(&d->udev->dev, "%s:\n", __func__); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 197 | |
| 198 | if (d->rc_dev) { |
| 199 | cancel_delayed_work_sync(&d->rc_query_work); |
| 200 | rc_unregister_device(d->rc_dev); |
| 201 | d->rc_dev = NULL; |
| 202 | } |
| 203 | |
| 204 | return 0; |
| 205 | } |
Antti Palosaari | 0c87c66 | 2012-11-29 00:05:35 -0300 | [diff] [blame^] | 206 | #else |
| 207 | static int dvb_usbv2_remote_init(struct dvb_usb_device *d) |
| 208 | { |
| 209 | return 0; |
| 210 | } |
| 211 | |
| 212 | static int dvb_usbv2_remote_exit(struct dvb_usb_device *d) |
| 213 | { |
| 214 | return 0; |
| 215 | } |
| 216 | #endif |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 217 | |
| 218 | static void dvb_usb_data_complete(struct usb_data_stream *stream, u8 *buf, |
| 219 | size_t len) |
| 220 | { |
| 221 | struct dvb_usb_adapter *adap = stream->user_priv; |
| 222 | dvb_dmx_swfilter(&adap->demux, buf, len); |
| 223 | } |
| 224 | |
| 225 | static void dvb_usb_data_complete_204(struct usb_data_stream *stream, u8 *buf, |
| 226 | size_t len) |
| 227 | { |
| 228 | struct dvb_usb_adapter *adap = stream->user_priv; |
| 229 | dvb_dmx_swfilter_204(&adap->demux, buf, len); |
| 230 | } |
| 231 | |
| 232 | static void dvb_usb_data_complete_raw(struct usb_data_stream *stream, u8 *buf, |
| 233 | size_t len) |
| 234 | { |
| 235 | struct dvb_usb_adapter *adap = stream->user_priv; |
| 236 | dvb_dmx_swfilter_raw(&adap->demux, buf, len); |
| 237 | } |
| 238 | |
Mauro Carvalho Chehab | 691a550 | 2012-10-27 14:08:45 -0300 | [diff] [blame] | 239 | static int dvb_usbv2_adapter_stream_init(struct dvb_usb_adapter *adap) |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 240 | { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 241 | dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__, |
| 242 | adap->id); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 243 | |
| 244 | adap->stream.udev = adap_to_d(adap)->udev; |
| 245 | adap->stream.user_priv = adap; |
| 246 | adap->stream.complete = dvb_usb_data_complete; |
| 247 | |
| 248 | return usb_urb_initv2(&adap->stream, &adap->props->stream); |
| 249 | } |
| 250 | |
Mauro Carvalho Chehab | 691a550 | 2012-10-27 14:08:45 -0300 | [diff] [blame] | 251 | static int dvb_usbv2_adapter_stream_exit(struct dvb_usb_adapter *adap) |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 252 | { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 253 | dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__, |
| 254 | adap->id); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 255 | |
Antti Palosaari | 831511b | 2012-06-20 00:32:53 -0300 | [diff] [blame] | 256 | return usb_urb_exitv2(&adap->stream); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 257 | } |
| 258 | |
| 259 | static inline int dvb_usb_ctrl_feed(struct dvb_demux_feed *dvbdmxfeed, |
| 260 | int count) |
| 261 | { |
| 262 | struct dvb_usb_adapter *adap = dvbdmxfeed->demux->priv; |
| 263 | struct dvb_usb_device *d = adap_to_d(adap); |
| 264 | int ret; |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 265 | dev_dbg(&d->udev->dev, "%s: adap=%d active_fe=%d feed_type=%d " \ |
| 266 | "setting pid [%s]: %04x (%04d) at index %d '%s'\n", |
| 267 | __func__, adap->id, adap->active_fe, dvbdmxfeed->type, |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 268 | adap->pid_filtering ? "yes" : "no", dvbdmxfeed->pid, |
| 269 | dvbdmxfeed->pid, dvbdmxfeed->index, |
| 270 | (count == 1) ? "on" : "off"); |
| 271 | |
| 272 | if (adap->active_fe == -1) |
| 273 | return -EINVAL; |
| 274 | |
| 275 | adap->feed_count += count; |
| 276 | |
| 277 | /* stop feeding if it is last pid */ |
| 278 | if (adap->feed_count == 0) { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 279 | dev_dbg(&d->udev->dev, "%s: stop feeding\n", __func__); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 280 | |
| 281 | if (d->props->streaming_ctrl) { |
Antti Palosaari | a13a6e1 | 2012-06-26 00:04:33 -0300 | [diff] [blame] | 282 | ret = d->props->streaming_ctrl( |
| 283 | adap->fe[adap->active_fe], 0); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 284 | if (ret < 0) { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 285 | dev_err(&d->udev->dev, "%s: streaming_ctrl() " \ |
| 286 | "failed=%d\n", KBUILD_MODNAME, |
| 287 | ret); |
Antti Palosaari | 0fe688f | 2012-09-10 22:04:43 -0300 | [diff] [blame] | 288 | usb_urb_killv2(&adap->stream); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 289 | goto err_mutex_unlock; |
| 290 | } |
| 291 | } |
Antti Palosaari | 0fe688f | 2012-09-10 22:04:43 -0300 | [diff] [blame] | 292 | usb_urb_killv2(&adap->stream); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 293 | mutex_unlock(&adap->sync_mutex); |
| 294 | } |
| 295 | |
| 296 | /* activate the pid on the device pid filter */ |
| 297 | if (adap->props->caps & DVB_USB_ADAP_HAS_PID_FILTER && |
Antti Palosaari | 2d9e7ea | 2012-11-06 17:23:35 +0100 | [diff] [blame] | 298 | adap->pid_filtering && adap->props->pid_filter) { |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 299 | ret = adap->props->pid_filter(adap, dvbdmxfeed->index, |
| 300 | dvbdmxfeed->pid, (count == 1) ? 1 : 0); |
Antti Palosaari | 2d9e7ea | 2012-11-06 17:23:35 +0100 | [diff] [blame] | 301 | if (ret < 0) |
| 302 | dev_err(&d->udev->dev, "%s: pid_filter() failed=%d\n", |
| 303 | KBUILD_MODNAME, ret); |
| 304 | } |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 305 | |
| 306 | /* start feeding if it is first pid */ |
| 307 | if (adap->feed_count == 1 && count == 1) { |
| 308 | struct usb_data_stream_properties stream_props; |
| 309 | mutex_lock(&adap->sync_mutex); |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 310 | dev_dbg(&d->udev->dev, "%s: start feeding\n", __func__); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 311 | |
| 312 | /* resolve input and output streaming paramters */ |
| 313 | if (d->props->get_stream_config) { |
| 314 | memcpy(&stream_props, &adap->props->stream, |
| 315 | sizeof(struct usb_data_stream_properties)); |
| 316 | ret = d->props->get_stream_config( |
| 317 | adap->fe[adap->active_fe], |
| 318 | &adap->ts_type, &stream_props); |
| 319 | if (ret < 0) |
| 320 | goto err_mutex_unlock; |
| 321 | } else { |
| 322 | stream_props = adap->props->stream; |
| 323 | } |
| 324 | |
| 325 | switch (adap->ts_type) { |
| 326 | case DVB_USB_FE_TS_TYPE_204: |
| 327 | adap->stream.complete = dvb_usb_data_complete_204; |
| 328 | break; |
| 329 | case DVB_USB_FE_TS_TYPE_RAW: |
| 330 | adap->stream.complete = dvb_usb_data_complete_raw; |
| 331 | break; |
| 332 | case DVB_USB_FE_TS_TYPE_188: |
| 333 | default: |
| 334 | adap->stream.complete = dvb_usb_data_complete; |
| 335 | break; |
| 336 | } |
| 337 | |
| 338 | usb_urb_submitv2(&adap->stream, &stream_props); |
| 339 | |
| 340 | if (adap->props->caps & DVB_USB_ADAP_HAS_PID_FILTER && |
| 341 | adap->props->caps & |
| 342 | DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF && |
| 343 | adap->props->pid_filter_ctrl) { |
| 344 | ret = adap->props->pid_filter_ctrl(adap, |
| 345 | adap->pid_filtering); |
| 346 | if (ret < 0) { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 347 | dev_err(&d->udev->dev, "%s: " \ |
| 348 | "pid_filter_ctrl() failed=%d\n", |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 349 | KBUILD_MODNAME, ret); |
| 350 | goto err_mutex_unlock; |
| 351 | } |
| 352 | } |
| 353 | |
| 354 | if (d->props->streaming_ctrl) { |
Antti Palosaari | a13a6e1 | 2012-06-26 00:04:33 -0300 | [diff] [blame] | 355 | ret = d->props->streaming_ctrl( |
| 356 | adap->fe[adap->active_fe], 1); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 357 | if (ret < 0) { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 358 | dev_err(&d->udev->dev, "%s: streaming_ctrl() " \ |
| 359 | "failed=%d\n", KBUILD_MODNAME, |
| 360 | ret); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 361 | goto err_mutex_unlock; |
| 362 | } |
| 363 | } |
| 364 | } |
| 365 | |
| 366 | return 0; |
| 367 | err_mutex_unlock: |
| 368 | mutex_unlock(&adap->sync_mutex); |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 369 | dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 370 | return ret; |
| 371 | } |
| 372 | |
| 373 | static int dvb_usb_start_feed(struct dvb_demux_feed *dvbdmxfeed) |
| 374 | { |
| 375 | return dvb_usb_ctrl_feed(dvbdmxfeed, 1); |
| 376 | } |
| 377 | |
| 378 | static int dvb_usb_stop_feed(struct dvb_demux_feed *dvbdmxfeed) |
| 379 | { |
| 380 | return dvb_usb_ctrl_feed(dvbdmxfeed, -1); |
| 381 | } |
| 382 | |
Mauro Carvalho Chehab | 691a550 | 2012-10-27 14:08:45 -0300 | [diff] [blame] | 383 | static int dvb_usbv2_adapter_dvb_init(struct dvb_usb_adapter *adap) |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 384 | { |
| 385 | int ret; |
| 386 | struct dvb_usb_device *d = adap_to_d(adap); |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 387 | dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 388 | |
| 389 | ret = dvb_register_adapter(&adap->dvb_adap, d->name, d->props->owner, |
| 390 | &d->udev->dev, d->props->adapter_nr); |
| 391 | if (ret < 0) { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 392 | dev_dbg(&d->udev->dev, "%s: dvb_register_adapter() failed=%d\n", |
| 393 | __func__, ret); |
Antti Palosaari | 831511b | 2012-06-20 00:32:53 -0300 | [diff] [blame] | 394 | goto err_dvb_register_adapter; |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 395 | } |
| 396 | |
| 397 | adap->dvb_adap.priv = adap; |
| 398 | |
| 399 | if (d->props->read_mac_address) { |
| 400 | ret = d->props->read_mac_address(adap, |
| 401 | adap->dvb_adap.proposed_mac); |
| 402 | if (ret < 0) |
Antti Palosaari | 831511b | 2012-06-20 00:32:53 -0300 | [diff] [blame] | 403 | goto err_dvb_dmx_init; |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 404 | |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 405 | dev_info(&d->udev->dev, "%s: MAC address: %pM\n", |
| 406 | KBUILD_MODNAME, adap->dvb_adap.proposed_mac); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 407 | } |
| 408 | |
| 409 | adap->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING; |
| 410 | adap->demux.priv = adap; |
| 411 | adap->demux.filternum = 0; |
Antti Palosaari | 831511b | 2012-06-20 00:32:53 -0300 | [diff] [blame] | 412 | adap->demux.filternum = adap->max_feed_count; |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 413 | adap->demux.feednum = adap->demux.filternum; |
| 414 | adap->demux.start_feed = dvb_usb_start_feed; |
| 415 | adap->demux.stop_feed = dvb_usb_stop_feed; |
| 416 | adap->demux.write_to_decoder = NULL; |
| 417 | ret = dvb_dmx_init(&adap->demux); |
| 418 | if (ret < 0) { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 419 | dev_err(&d->udev->dev, "%s: dvb_dmx_init() failed=%d\n", |
| 420 | KBUILD_MODNAME, ret); |
Antti Palosaari | 831511b | 2012-06-20 00:32:53 -0300 | [diff] [blame] | 421 | goto err_dvb_dmx_init; |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 422 | } |
| 423 | |
| 424 | adap->dmxdev.filternum = adap->demux.filternum; |
| 425 | adap->dmxdev.demux = &adap->demux.dmx; |
| 426 | adap->dmxdev.capabilities = 0; |
| 427 | ret = dvb_dmxdev_init(&adap->dmxdev, &adap->dvb_adap); |
| 428 | if (ret < 0) { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 429 | dev_err(&d->udev->dev, "%s: dvb_dmxdev_init() failed=%d\n", |
| 430 | KBUILD_MODNAME, ret); |
Antti Palosaari | 831511b | 2012-06-20 00:32:53 -0300 | [diff] [blame] | 431 | goto err_dvb_dmxdev_init; |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 432 | } |
| 433 | |
| 434 | ret = dvb_net_init(&adap->dvb_adap, &adap->dvb_net, &adap->demux.dmx); |
| 435 | if (ret < 0) { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 436 | dev_err(&d->udev->dev, "%s: dvb_net_init() failed=%d\n", |
| 437 | KBUILD_MODNAME, ret); |
Antti Palosaari | 831511b | 2012-06-20 00:32:53 -0300 | [diff] [blame] | 438 | goto err_dvb_net_init; |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 439 | } |
| 440 | |
| 441 | mutex_init(&adap->sync_mutex); |
| 442 | |
| 443 | return 0; |
Antti Palosaari | 831511b | 2012-06-20 00:32:53 -0300 | [diff] [blame] | 444 | err_dvb_net_init: |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 445 | dvb_dmxdev_release(&adap->dmxdev); |
Antti Palosaari | 831511b | 2012-06-20 00:32:53 -0300 | [diff] [blame] | 446 | err_dvb_dmxdev_init: |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 447 | dvb_dmx_release(&adap->demux); |
Antti Palosaari | 831511b | 2012-06-20 00:32:53 -0300 | [diff] [blame] | 448 | err_dvb_dmx_init: |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 449 | dvb_unregister_adapter(&adap->dvb_adap); |
Antti Palosaari | 831511b | 2012-06-20 00:32:53 -0300 | [diff] [blame] | 450 | err_dvb_register_adapter: |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 451 | adap->dvb_adap.priv = NULL; |
| 452 | return ret; |
| 453 | } |
| 454 | |
Mauro Carvalho Chehab | 691a550 | 2012-10-27 14:08:45 -0300 | [diff] [blame] | 455 | static int dvb_usbv2_adapter_dvb_exit(struct dvb_usb_adapter *adap) |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 456 | { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 457 | dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__, |
| 458 | adap->id); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 459 | |
| 460 | if (adap->dvb_adap.priv) { |
| 461 | dvb_net_release(&adap->dvb_net); |
| 462 | adap->demux.dmx.close(&adap->demux.dmx); |
| 463 | dvb_dmxdev_release(&adap->dmxdev); |
| 464 | dvb_dmx_release(&adap->demux); |
| 465 | dvb_unregister_adapter(&adap->dvb_adap); |
| 466 | } |
| 467 | |
| 468 | return 0; |
| 469 | } |
| 470 | |
Mauro Carvalho Chehab | 691a550 | 2012-10-27 14:08:45 -0300 | [diff] [blame] | 471 | static int dvb_usbv2_device_power_ctrl(struct dvb_usb_device *d, int onoff) |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 472 | { |
| 473 | int ret; |
| 474 | |
| 475 | if (onoff) |
| 476 | d->powered++; |
| 477 | else |
| 478 | d->powered--; |
| 479 | |
| 480 | if (d->powered == 0 || (onoff && d->powered == 1)) { |
| 481 | /* when switching from 1 to 0 or from 0 to 1 */ |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 482 | dev_dbg(&d->udev->dev, "%s: power=%d\n", __func__, onoff); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 483 | if (d->props->power_ctrl) { |
| 484 | ret = d->props->power_ctrl(d, onoff); |
Antti Palosaari | 18cfe03 | 2012-06-21 02:57:34 -0300 | [diff] [blame] | 485 | if (ret < 0) |
| 486 | goto err; |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 487 | } |
| 488 | } |
| 489 | |
| 490 | return 0; |
| 491 | err: |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 492 | dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 493 | return ret; |
| 494 | } |
| 495 | |
Antti Palosaari | 831511b | 2012-06-20 00:32:53 -0300 | [diff] [blame] | 496 | static int dvb_usb_fe_init(struct dvb_frontend *fe) |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 497 | { |
| 498 | int ret; |
| 499 | struct dvb_usb_adapter *adap = fe->dvb->priv; |
| 500 | struct dvb_usb_device *d = adap_to_d(adap); |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 501 | dev_dbg(&d->udev->dev, "%s: adap=%d fe=%d\n", __func__, adap->id, |
| 502 | fe->id); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 503 | |
Antti Palosaari | 06bae12 | 2012-08-14 22:21:06 -0300 | [diff] [blame] | 504 | if (!adap->suspend_resume_active) { |
| 505 | adap->active_fe = fe->id; |
| 506 | mutex_lock(&adap->sync_mutex); |
| 507 | } |
| 508 | |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 509 | ret = dvb_usbv2_device_power_ctrl(d, 1); |
| 510 | if (ret < 0) |
| 511 | goto err; |
| 512 | |
| 513 | if (d->props->frontend_ctrl) { |
| 514 | ret = d->props->frontend_ctrl(fe, 1); |
| 515 | if (ret < 0) |
| 516 | goto err; |
| 517 | } |
| 518 | |
| 519 | if (adap->fe_init[fe->id]) { |
| 520 | ret = adap->fe_init[fe->id](fe); |
| 521 | if (ret < 0) |
| 522 | goto err; |
| 523 | } |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 524 | err: |
Antti Palosaari | 06bae12 | 2012-08-14 22:21:06 -0300 | [diff] [blame] | 525 | if (!adap->suspend_resume_active) |
| 526 | mutex_unlock(&adap->sync_mutex); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 527 | |
Antti Palosaari | 06bae12 | 2012-08-14 22:21:06 -0300 | [diff] [blame] | 528 | dev_dbg(&d->udev->dev, "%s: ret=%d\n", __func__, ret); |
Antti Palosaari | 0898b95 | 2012-08-14 22:21:05 -0300 | [diff] [blame] | 529 | return ret; |
| 530 | } |
| 531 | |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 532 | static int dvb_usb_fe_sleep(struct dvb_frontend *fe) |
| 533 | { |
| 534 | int ret; |
| 535 | struct dvb_usb_adapter *adap = fe->dvb->priv; |
| 536 | struct dvb_usb_device *d = adap_to_d(adap); |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 537 | dev_dbg(&d->udev->dev, "%s: adap=%d fe=%d\n", __func__, adap->id, |
| 538 | fe->id); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 539 | |
Antti Palosaari | 06bae12 | 2012-08-14 22:21:06 -0300 | [diff] [blame] | 540 | if (!adap->suspend_resume_active) |
| 541 | mutex_lock(&adap->sync_mutex); |
| 542 | |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 543 | if (adap->fe_sleep[fe->id]) { |
| 544 | ret = adap->fe_sleep[fe->id](fe); |
| 545 | if (ret < 0) |
| 546 | goto err; |
| 547 | } |
| 548 | |
| 549 | if (d->props->frontend_ctrl) { |
| 550 | ret = d->props->frontend_ctrl(fe, 0); |
| 551 | if (ret < 0) |
| 552 | goto err; |
| 553 | } |
| 554 | |
| 555 | ret = dvb_usbv2_device_power_ctrl(d, 0); |
| 556 | if (ret < 0) |
| 557 | goto err; |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 558 | err: |
Antti Palosaari | 06bae12 | 2012-08-14 22:21:06 -0300 | [diff] [blame] | 559 | if (!adap->suspend_resume_active) { |
| 560 | adap->active_fe = -1; |
| 561 | mutex_unlock(&adap->sync_mutex); |
| 562 | } |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 563 | |
Antti Palosaari | 06bae12 | 2012-08-14 22:21:06 -0300 | [diff] [blame] | 564 | dev_dbg(&d->udev->dev, "%s: ret=%d\n", __func__, ret); |
Antti Palosaari | 0898b95 | 2012-08-14 22:21:05 -0300 | [diff] [blame] | 565 | return ret; |
| 566 | } |
| 567 | |
Mauro Carvalho Chehab | 691a550 | 2012-10-27 14:08:45 -0300 | [diff] [blame] | 568 | static int dvb_usbv2_adapter_frontend_init(struct dvb_usb_adapter *adap) |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 569 | { |
| 570 | int ret, i, count_registered = 0; |
| 571 | struct dvb_usb_device *d = adap_to_d(adap); |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 572 | dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 573 | |
| 574 | memset(adap->fe, 0, sizeof(adap->fe)); |
| 575 | adap->active_fe = -1; |
| 576 | |
| 577 | if (d->props->frontend_attach) { |
| 578 | ret = d->props->frontend_attach(adap); |
| 579 | if (ret < 0) { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 580 | dev_dbg(&d->udev->dev, "%s: frontend_attach() " \ |
| 581 | "failed=%d\n", __func__, ret); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 582 | goto err_dvb_frontend_detach; |
| 583 | } |
| 584 | } else { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 585 | dev_dbg(&d->udev->dev, "%s: frontend_attach() do not exists\n", |
| 586 | __func__); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 587 | ret = 0; |
| 588 | goto err; |
| 589 | } |
| 590 | |
| 591 | for (i = 0; i < MAX_NO_OF_FE_PER_ADAP && adap->fe[i]; i++) { |
| 592 | adap->fe[i]->id = i; |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 593 | /* re-assign sleep and wakeup functions */ |
| 594 | adap->fe_init[i] = adap->fe[i]->ops.init; |
Antti Palosaari | 06bae12 | 2012-08-14 22:21:06 -0300 | [diff] [blame] | 595 | adap->fe[i]->ops.init = dvb_usb_fe_init; |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 596 | adap->fe_sleep[i] = adap->fe[i]->ops.sleep; |
Antti Palosaari | 06bae12 | 2012-08-14 22:21:06 -0300 | [diff] [blame] | 597 | adap->fe[i]->ops.sleep = dvb_usb_fe_sleep; |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 598 | |
| 599 | ret = dvb_register_frontend(&adap->dvb_adap, adap->fe[i]); |
| 600 | if (ret < 0) { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 601 | dev_err(&d->udev->dev, "%s: frontend%d registration " \ |
| 602 | "failed\n", KBUILD_MODNAME, i); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 603 | goto err_dvb_unregister_frontend; |
| 604 | } |
| 605 | |
| 606 | count_registered++; |
| 607 | } |
| 608 | |
| 609 | if (d->props->tuner_attach) { |
| 610 | ret = d->props->tuner_attach(adap); |
| 611 | if (ret < 0) { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 612 | dev_dbg(&d->udev->dev, "%s: tuner_attach() failed=%d\n", |
| 613 | __func__, ret); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 614 | goto err_dvb_unregister_frontend; |
| 615 | } |
| 616 | } |
| 617 | |
| 618 | return 0; |
| 619 | |
| 620 | err_dvb_unregister_frontend: |
| 621 | for (i = count_registered - 1; i >= 0; i--) |
| 622 | dvb_unregister_frontend(adap->fe[i]); |
| 623 | |
| 624 | err_dvb_frontend_detach: |
| 625 | for (i = MAX_NO_OF_FE_PER_ADAP - 1; i >= 0; i--) { |
Antti Palosaari | 2a85848 | 2012-09-21 23:23:49 -0300 | [diff] [blame] | 626 | if (adap->fe[i]) { |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 627 | dvb_frontend_detach(adap->fe[i]); |
Antti Palosaari | 2a85848 | 2012-09-21 23:23:49 -0300 | [diff] [blame] | 628 | adap->fe[i] = NULL; |
| 629 | } |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 630 | } |
| 631 | |
| 632 | err: |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 633 | dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 634 | return ret; |
| 635 | } |
| 636 | |
Mauro Carvalho Chehab | 691a550 | 2012-10-27 14:08:45 -0300 | [diff] [blame] | 637 | static int dvb_usbv2_adapter_frontend_exit(struct dvb_usb_adapter *adap) |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 638 | { |
| 639 | int i; |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 640 | dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__, |
| 641 | adap->id); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 642 | |
| 643 | for (i = MAX_NO_OF_FE_PER_ADAP - 1; i >= 0; i--) { |
| 644 | if (adap->fe[i]) { |
| 645 | dvb_unregister_frontend(adap->fe[i]); |
| 646 | dvb_frontend_detach(adap->fe[i]); |
| 647 | } |
| 648 | } |
| 649 | |
| 650 | return 0; |
| 651 | } |
| 652 | |
| 653 | static int dvb_usbv2_adapter_init(struct dvb_usb_device *d) |
| 654 | { |
| 655 | struct dvb_usb_adapter *adap; |
| 656 | int ret, i, adapter_count; |
| 657 | |
| 658 | /* resolve adapter count */ |
| 659 | adapter_count = d->props->num_adapters; |
| 660 | if (d->props->get_adapter_count) { |
| 661 | ret = d->props->get_adapter_count(d); |
| 662 | if (ret < 0) |
| 663 | goto err; |
| 664 | |
| 665 | adapter_count = ret; |
| 666 | } |
| 667 | |
| 668 | for (i = 0; i < adapter_count; i++) { |
| 669 | adap = &d->adapter[i]; |
| 670 | adap->id = i; |
| 671 | adap->props = &d->props->adapter[i]; |
| 672 | |
| 673 | /* speed - when running at FULL speed we need a HW PID filter */ |
| 674 | if (d->udev->speed == USB_SPEED_FULL && |
| 675 | !(adap->props->caps & DVB_USB_ADAP_HAS_PID_FILTER)) { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 676 | dev_err(&d->udev->dev, "%s: this USB2.0 device " \ |
| 677 | "cannot be run on a USB1.1 port (it " \ |
| 678 | "lacks a hardware PID filter)\n", |
| 679 | KBUILD_MODNAME); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 680 | ret = -ENODEV; |
| 681 | goto err; |
| 682 | } else if ((d->udev->speed == USB_SPEED_FULL && |
| 683 | adap->props->caps & DVB_USB_ADAP_HAS_PID_FILTER) || |
| 684 | (adap->props->caps & DVB_USB_ADAP_NEED_PID_FILTERING)) { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 685 | dev_info(&d->udev->dev, "%s: will use the device's " \ |
| 686 | "hardware PID filter " \ |
| 687 | "(table count: %d)\n", KBUILD_MODNAME, |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 688 | adap->props->pid_filter_count); |
| 689 | adap->pid_filtering = 1; |
| 690 | adap->max_feed_count = adap->props->pid_filter_count; |
| 691 | } else { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 692 | dev_info(&d->udev->dev, "%s: will pass the complete " \ |
| 693 | "MPEG2 transport stream to the " \ |
| 694 | "software demuxer\n", KBUILD_MODNAME); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 695 | adap->pid_filtering = 0; |
| 696 | adap->max_feed_count = 255; |
| 697 | } |
| 698 | |
| 699 | if (!adap->pid_filtering && dvb_usb_force_pid_filter_usage && |
| 700 | adap->props->caps & DVB_USB_ADAP_HAS_PID_FILTER) { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 701 | dev_info(&d->udev->dev, "%s: PID filter enabled by " \ |
| 702 | "module option\n", KBUILD_MODNAME); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 703 | adap->pid_filtering = 1; |
| 704 | adap->max_feed_count = adap->props->pid_filter_count; |
| 705 | } |
| 706 | |
| 707 | ret = dvb_usbv2_adapter_stream_init(adap); |
| 708 | if (ret) |
| 709 | goto err; |
| 710 | |
| 711 | ret = dvb_usbv2_adapter_dvb_init(adap); |
| 712 | if (ret) |
| 713 | goto err; |
| 714 | |
| 715 | ret = dvb_usbv2_adapter_frontend_init(adap); |
| 716 | if (ret) |
| 717 | goto err; |
| 718 | |
| 719 | /* use exclusive FE lock if there is multiple shared FEs */ |
| 720 | if (adap->fe[1]) |
| 721 | adap->dvb_adap.mfe_shared = 1; |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 722 | } |
| 723 | |
| 724 | return 0; |
| 725 | err: |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 726 | dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 727 | return ret; |
| 728 | } |
| 729 | |
| 730 | static int dvb_usbv2_adapter_exit(struct dvb_usb_device *d) |
| 731 | { |
| 732 | int i; |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 733 | dev_dbg(&d->udev->dev, "%s:\n", __func__); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 734 | |
| 735 | for (i = MAX_NO_OF_ADAPTER_PER_DEVICE - 1; i >= 0; i--) { |
Antti Palosaari | b62fd17 | 2012-06-26 22:49:19 -0300 | [diff] [blame] | 736 | if (d->adapter[i].props) { |
| 737 | dvb_usbv2_adapter_frontend_exit(&d->adapter[i]); |
| 738 | dvb_usbv2_adapter_dvb_exit(&d->adapter[i]); |
| 739 | dvb_usbv2_adapter_stream_exit(&d->adapter[i]); |
| 740 | } |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 741 | } |
| 742 | |
| 743 | return 0; |
| 744 | } |
| 745 | |
| 746 | /* general initialization functions */ |
| 747 | static int dvb_usbv2_exit(struct dvb_usb_device *d) |
| 748 | { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 749 | dev_dbg(&d->udev->dev, "%s:\n", __func__); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 750 | |
| 751 | dvb_usbv2_remote_exit(d); |
| 752 | dvb_usbv2_adapter_exit(d); |
| 753 | dvb_usbv2_i2c_exit(d); |
| 754 | kfree(d->priv); |
| 755 | kfree(d); |
| 756 | |
| 757 | return 0; |
| 758 | } |
| 759 | |
| 760 | static int dvb_usbv2_init(struct dvb_usb_device *d) |
| 761 | { |
Antti Palosaari | 831511b | 2012-06-20 00:32:53 -0300 | [diff] [blame] | 762 | int ret; |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 763 | dev_dbg(&d->udev->dev, "%s:\n", __func__); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 764 | |
| 765 | dvb_usbv2_device_power_ctrl(d, 1); |
| 766 | |
| 767 | if (d->props->read_config) { |
| 768 | ret = d->props->read_config(d); |
| 769 | if (ret < 0) |
| 770 | goto err; |
| 771 | } |
| 772 | |
| 773 | ret = dvb_usbv2_i2c_init(d); |
| 774 | if (ret < 0) |
| 775 | goto err; |
| 776 | |
| 777 | ret = dvb_usbv2_adapter_init(d); |
| 778 | if (ret < 0) |
| 779 | goto err; |
| 780 | |
| 781 | if (d->props->init) { |
| 782 | ret = d->props->init(d); |
| 783 | if (ret < 0) |
| 784 | goto err; |
| 785 | } |
| 786 | |
| 787 | ret = dvb_usbv2_remote_init(d); |
| 788 | if (ret < 0) |
| 789 | goto err; |
| 790 | |
| 791 | dvb_usbv2_device_power_ctrl(d, 0); |
| 792 | |
| 793 | return 0; |
| 794 | err: |
| 795 | dvb_usbv2_device_power_ctrl(d, 0); |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 796 | dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 797 | return ret; |
| 798 | } |
| 799 | |
| 800 | /* |
| 801 | * udev, which is used for the firmware downloading, requires we cannot |
| 802 | * block during module_init(). module_init() calls USB probe() which |
| 803 | * is this routine. Due to that we delay actual operation using workqueue |
| 804 | * and return always success here. |
| 805 | */ |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 806 | static void dvb_usbv2_init_work(struct work_struct *work) |
| 807 | { |
| 808 | int ret; |
| 809 | struct dvb_usb_device *d = |
| 810 | container_of(work, struct dvb_usb_device, probe_work); |
| 811 | |
| 812 | d->work_pid = current->pid; |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 813 | dev_dbg(&d->udev->dev, "%s: work_pid=%d\n", __func__, d->work_pid); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 814 | |
| 815 | if (d->props->size_of_priv) { |
| 816 | d->priv = kzalloc(d->props->size_of_priv, GFP_KERNEL); |
| 817 | if (!d->priv) { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 818 | dev_err(&d->udev->dev, "%s: kzalloc() failed\n", |
| 819 | KBUILD_MODNAME); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 820 | ret = -ENOMEM; |
| 821 | goto err_usb_driver_release_interface; |
| 822 | } |
| 823 | } |
| 824 | |
| 825 | if (d->props->identify_state) { |
| 826 | const char *name = NULL; |
| 827 | ret = d->props->identify_state(d, &name); |
| 828 | if (ret == 0) { |
| 829 | ; |
| 830 | } else if (ret == COLD) { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 831 | dev_info(&d->udev->dev, "%s: found a '%s' in cold " \ |
| 832 | "state\n", KBUILD_MODNAME, d->name); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 833 | |
| 834 | if (!name) |
| 835 | name = d->props->firmware; |
| 836 | |
| 837 | ret = dvb_usbv2_download_firmware(d, name); |
| 838 | if (ret == 0) { |
| 839 | /* device is warm, continue initialization */ |
| 840 | ; |
| 841 | } else if (ret == RECONNECTS_USB) { |
| 842 | /* |
| 843 | * USB core will call disconnect() and then |
| 844 | * probe() as device reconnects itself from the |
| 845 | * USB bus. disconnect() will release all driver |
| 846 | * resources and probe() is called for 'new' |
| 847 | * device. As 'new' device is warm we should |
| 848 | * never go here again. |
| 849 | */ |
| 850 | return; |
| 851 | } else { |
Antti Palosaari | 831511b | 2012-06-20 00:32:53 -0300 | [diff] [blame] | 852 | /* |
| 853 | * Unexpected error. We must unregister driver |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 854 | * manually from the device, because device is |
| 855 | * already register by returning from probe() |
| 856 | * with success. usb_driver_release_interface() |
| 857 | * finally calls disconnect() in order to free |
| 858 | * resources. |
| 859 | */ |
| 860 | goto err_usb_driver_release_interface; |
| 861 | } |
| 862 | } else { |
| 863 | goto err_usb_driver_release_interface; |
| 864 | } |
| 865 | } |
| 866 | |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 867 | dev_info(&d->udev->dev, "%s: found a '%s' in warm state\n", |
| 868 | KBUILD_MODNAME, d->name); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 869 | |
| 870 | ret = dvb_usbv2_init(d); |
| 871 | if (ret < 0) |
| 872 | goto err_usb_driver_release_interface; |
| 873 | |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 874 | dev_info(&d->udev->dev, "%s: '%s' successfully initialized and " \ |
| 875 | "connected\n", KBUILD_MODNAME, d->name); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 876 | |
| 877 | return; |
| 878 | err_usb_driver_release_interface: |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 879 | dev_info(&d->udev->dev, "%s: '%s' error while loading driver (%d)\n", |
| 880 | KBUILD_MODNAME, d->name, ret); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 881 | usb_driver_release_interface(to_usb_driver(d->intf->dev.driver), |
| 882 | d->intf); |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 883 | dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 884 | return; |
| 885 | } |
| 886 | |
| 887 | int dvb_usbv2_probe(struct usb_interface *intf, |
| 888 | const struct usb_device_id *id) |
| 889 | { |
| 890 | int ret; |
| 891 | struct dvb_usb_device *d; |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 892 | struct usb_device *udev = interface_to_usbdev(intf); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 893 | struct dvb_usb_driver_info *driver_info = |
| 894 | (struct dvb_usb_driver_info *) id->driver_info; |
| 895 | |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 896 | dev_dbg(&udev->dev, "%s: bInterfaceNumber=%d\n", __func__, |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 897 | intf->cur_altsetting->desc.bInterfaceNumber); |
| 898 | |
| 899 | if (!id->driver_info) { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 900 | dev_err(&udev->dev, "%s: driver_info failed\n", KBUILD_MODNAME); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 901 | ret = -ENODEV; |
| 902 | goto err; |
| 903 | } |
| 904 | |
| 905 | d = kzalloc(sizeof(struct dvb_usb_device), GFP_KERNEL); |
| 906 | if (!d) { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 907 | dev_err(&udev->dev, "%s: kzalloc() failed\n", KBUILD_MODNAME); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 908 | ret = -ENOMEM; |
| 909 | goto err; |
| 910 | } |
| 911 | |
| 912 | d->name = driver_info->name; |
| 913 | d->rc_map = driver_info->rc_map; |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 914 | d->udev = udev; |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 915 | d->intf = intf; |
| 916 | d->props = driver_info->props; |
| 917 | |
| 918 | if (d->intf->cur_altsetting->desc.bInterfaceNumber != |
| 919 | d->props->bInterfaceNumber) { |
| 920 | ret = -ENODEV; |
| 921 | goto err_kfree; |
| 922 | } |
| 923 | |
| 924 | mutex_init(&d->usb_mutex); |
| 925 | mutex_init(&d->i2c_mutex); |
| 926 | INIT_WORK(&d->probe_work, dvb_usbv2_init_work); |
| 927 | usb_set_intfdata(intf, d); |
| 928 | ret = schedule_work(&d->probe_work); |
| 929 | if (ret < 0) { |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 930 | dev_err(&d->udev->dev, "%s: schedule_work() failed\n", |
| 931 | KBUILD_MODNAME); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 932 | goto err_kfree; |
| 933 | } |
| 934 | |
| 935 | return 0; |
| 936 | err_kfree: |
| 937 | kfree(d); |
| 938 | err: |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 939 | dev_dbg(&udev->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 940 | return ret; |
| 941 | } |
| 942 | EXPORT_SYMBOL(dvb_usbv2_probe); |
| 943 | |
| 944 | void dvb_usbv2_disconnect(struct usb_interface *intf) |
| 945 | { |
| 946 | struct dvb_usb_device *d = usb_get_intfdata(intf); |
Antti Palosaari | 831511b | 2012-06-20 00:32:53 -0300 | [diff] [blame] | 947 | const char *name = d->name; |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 948 | struct device dev = d->udev->dev; |
| 949 | dev_dbg(&d->udev->dev, "%s: pid=%d work_pid=%d\n", __func__, |
| 950 | current->pid, d->work_pid); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 951 | |
| 952 | /* ensure initialization work is finished until release resources */ |
| 953 | if (d->work_pid != current->pid) |
| 954 | cancel_work_sync(&d->probe_work); |
| 955 | |
Antti Palosaari | 831511b | 2012-06-20 00:32:53 -0300 | [diff] [blame] | 956 | if (d->props->exit) |
| 957 | d->props->exit(d); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 958 | |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 959 | dvb_usbv2_exit(d); |
| 960 | |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 961 | dev_info(&dev, "%s: '%s' successfully deinitialized and disconnected\n", |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 962 | KBUILD_MODNAME, name); |
| 963 | } |
| 964 | EXPORT_SYMBOL(dvb_usbv2_disconnect); |
| 965 | |
| 966 | int dvb_usbv2_suspend(struct usb_interface *intf, pm_message_t msg) |
| 967 | { |
| 968 | struct dvb_usb_device *d = usb_get_intfdata(intf); |
Antti Palosaari | 15d0883 | 2012-08-14 22:21:07 -0300 | [diff] [blame] | 969 | int ret = 0, i, active_fe; |
Antti Palosaari | 0898b95 | 2012-08-14 22:21:05 -0300 | [diff] [blame] | 970 | struct dvb_frontend *fe; |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 971 | dev_dbg(&d->udev->dev, "%s:\n", __func__); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 972 | |
| 973 | /* stop remote controller poll */ |
| 974 | if (d->rc.query && !d->rc.bulk_mode) |
| 975 | cancel_delayed_work_sync(&d->rc_query_work); |
| 976 | |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 977 | for (i = MAX_NO_OF_ADAPTER_PER_DEVICE - 1; i >= 0; i--) { |
Antti Palosaari | 0898b95 | 2012-08-14 22:21:05 -0300 | [diff] [blame] | 978 | active_fe = d->adapter[i].active_fe; |
| 979 | if (d->adapter[i].dvb_adap.priv && active_fe != -1) { |
| 980 | fe = d->adapter[i].fe[active_fe]; |
Antti Palosaari | 06bae12 | 2012-08-14 22:21:06 -0300 | [diff] [blame] | 981 | d->adapter[i].suspend_resume_active = true; |
Antti Palosaari | 0898b95 | 2012-08-14 22:21:05 -0300 | [diff] [blame] | 982 | |
| 983 | if (d->props->streaming_ctrl) |
| 984 | d->props->streaming_ctrl(fe, 0); |
| 985 | |
| 986 | /* stop usb streaming */ |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 987 | usb_urb_killv2(&d->adapter[i].stream); |
Antti Palosaari | 0898b95 | 2012-08-14 22:21:05 -0300 | [diff] [blame] | 988 | |
Antti Palosaari | 15d0883 | 2012-08-14 22:21:07 -0300 | [diff] [blame] | 989 | ret = dvb_frontend_suspend(fe); |
Antti Palosaari | 0898b95 | 2012-08-14 22:21:05 -0300 | [diff] [blame] | 990 | } |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 991 | } |
| 992 | |
Antti Palosaari | 15d0883 | 2012-08-14 22:21:07 -0300 | [diff] [blame] | 993 | return ret; |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 994 | } |
| 995 | EXPORT_SYMBOL(dvb_usbv2_suspend); |
| 996 | |
Antti Palosaari | 15d0883 | 2012-08-14 22:21:07 -0300 | [diff] [blame] | 997 | static int dvb_usbv2_resume_common(struct dvb_usb_device *d) |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 998 | { |
Antti Palosaari | 15d0883 | 2012-08-14 22:21:07 -0300 | [diff] [blame] | 999 | int ret = 0, i, active_fe; |
Antti Palosaari | 0898b95 | 2012-08-14 22:21:05 -0300 | [diff] [blame] | 1000 | struct dvb_frontend *fe; |
Antti Palosaari | d10d1b9 | 2012-06-26 22:44:00 -0300 | [diff] [blame] | 1001 | dev_dbg(&d->udev->dev, "%s:\n", __func__); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 1002 | |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 1003 | for (i = 0; i < MAX_NO_OF_ADAPTER_PER_DEVICE; i++) { |
Antti Palosaari | 0898b95 | 2012-08-14 22:21:05 -0300 | [diff] [blame] | 1004 | active_fe = d->adapter[i].active_fe; |
| 1005 | if (d->adapter[i].dvb_adap.priv && active_fe != -1) { |
| 1006 | fe = d->adapter[i].fe[active_fe]; |
| 1007 | |
Antti Palosaari | 15d0883 | 2012-08-14 22:21:07 -0300 | [diff] [blame] | 1008 | ret = dvb_frontend_resume(fe); |
Antti Palosaari | 0898b95 | 2012-08-14 22:21:05 -0300 | [diff] [blame] | 1009 | |
| 1010 | /* resume usb streaming */ |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 1011 | usb_urb_submitv2(&d->adapter[i].stream, NULL); |
Antti Palosaari | 0898b95 | 2012-08-14 22:21:05 -0300 | [diff] [blame] | 1012 | |
| 1013 | if (d->props->streaming_ctrl) |
| 1014 | d->props->streaming_ctrl(fe, 1); |
Antti Palosaari | 06bae12 | 2012-08-14 22:21:06 -0300 | [diff] [blame] | 1015 | |
| 1016 | d->adapter[i].suspend_resume_active = false; |
Antti Palosaari | 0898b95 | 2012-08-14 22:21:05 -0300 | [diff] [blame] | 1017 | } |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 1018 | } |
| 1019 | |
| 1020 | /* start remote controller poll */ |
| 1021 | if (d->rc.query && !d->rc.bulk_mode) |
| 1022 | schedule_delayed_work(&d->rc_query_work, |
| 1023 | msecs_to_jiffies(d->rc.interval)); |
| 1024 | |
Antti Palosaari | 15d0883 | 2012-08-14 22:21:07 -0300 | [diff] [blame] | 1025 | return ret; |
| 1026 | } |
| 1027 | |
| 1028 | int dvb_usbv2_resume(struct usb_interface *intf) |
| 1029 | { |
| 1030 | struct dvb_usb_device *d = usb_get_intfdata(intf); |
| 1031 | dev_dbg(&d->udev->dev, "%s:\n", __func__); |
| 1032 | |
| 1033 | return dvb_usbv2_resume_common(d); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 1034 | } |
| 1035 | EXPORT_SYMBOL(dvb_usbv2_resume); |
| 1036 | |
Antti Palosaari | 15d0883 | 2012-08-14 22:21:07 -0300 | [diff] [blame] | 1037 | int dvb_usbv2_reset_resume(struct usb_interface *intf) |
| 1038 | { |
| 1039 | struct dvb_usb_device *d = usb_get_intfdata(intf); |
| 1040 | int ret; |
| 1041 | dev_dbg(&d->udev->dev, "%s:\n", __func__); |
| 1042 | |
| 1043 | dvb_usbv2_device_power_ctrl(d, 1); |
| 1044 | |
| 1045 | if (d->props->init) |
| 1046 | d->props->init(d); |
| 1047 | |
| 1048 | ret = dvb_usbv2_resume_common(d); |
| 1049 | |
| 1050 | dvb_usbv2_device_power_ctrl(d, 0); |
| 1051 | |
| 1052 | return ret; |
| 1053 | } |
| 1054 | EXPORT_SYMBOL(dvb_usbv2_reset_resume); |
| 1055 | |
Antti Palosaari | 12042b0 | 2012-06-20 23:09:41 -0300 | [diff] [blame] | 1056 | MODULE_VERSION("2.0"); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 1057 | MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>"); |
Antti Palosaari | 12042b0 | 2012-06-20 23:09:41 -0300 | [diff] [blame] | 1058 | MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); |
| 1059 | MODULE_DESCRIPTION("DVB USB common"); |
Antti Palosaari | 41a0abf | 2012-06-19 22:21:34 -0300 | [diff] [blame] | 1060 | MODULE_LICENSE("GPL"); |