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