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Commit | Line | Data |
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c79b339f | 1 | /* |
12042b05 | 2 | * DVB USB framework |
c79b339f | 3 | * |
99e44da7 | 4 | * Copyright (C) 2004-6 Patrick Boettcher <patrick.boettcher@posteo.de> |
12042b05 | 5 | * Copyright (C) 2012 Antti Palosaari <crope@iki.fi> |
c79b339f | 6 | * |
12042b05 AP |
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. | |
c79b339f | 11 | * |
12042b05 AP |
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. | |
c79b339f | 16 | * |
12042b05 AP |
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. | |
c79b339f | 20 | */ |
12042b05 | 21 | |
c79b339f | 22 | #include "dvb_usb_common.h" |
41b44e35 | 23 | #include <media/media-device.h> |
c79b339f | 24 | |
68126673 | 25 | static int dvb_usbv2_disable_rc_polling; |
59784343 | 26 | module_param_named(disable_rc_polling, dvb_usbv2_disable_rc_polling, int, 0644); |
4e60d951 | 27 | MODULE_PARM_DESC(disable_rc_polling, |
831511bd | 28 | "disable remote control polling (default: 0)"); |
c79b339f | 29 | static int dvb_usb_force_pid_filter_usage; |
4e60d951 AP |
30 | module_param_named(force_pid_filter_usage, dvb_usb_force_pid_filter_usage, |
31 | int, 0444); | |
6d7cfec4 AP |
32 | MODULE_PARM_DESC(force_pid_filter_usage, |
33 | "force all DVB USB devices to use a PID filter, if any (default: 0)"); | |
c79b339f | 34 | |
6d7cfec4 AP |
35 | static int dvb_usbv2_download_firmware(struct dvb_usb_device *d, |
36 | const char *name) | |
a0d72d24 AP |
37 | { |
38 | int ret; | |
a0921af7 | 39 | const struct firmware *fw; |
d10d1b9a | 40 | dev_dbg(&d->udev->dev, "%s:\n", __func__); |
a0d72d24 | 41 | |
f093c388 | 42 | if (!d->props->download_firmware) { |
a0d72d24 AP |
43 | ret = -EINVAL; |
44 | goto err; | |
45 | } | |
46 | ||
47 | ret = request_firmware(&fw, name, &d->udev->dev); | |
48 | if (ret < 0) { | |
6d7cfec4 | 49 | dev_err(&d->udev->dev, |
fe63a1a6 | 50 | "%s: Did not find the firmware file '%s' (status %d). You can use <kernel_dir>/scripts/get_dvb_firmware to get the firmware\n", |
6d7cfec4 | 51 | KBUILD_MODNAME, name, ret); |
a0d72d24 AP |
52 | goto err; |
53 | } | |
54 | ||
d10d1b9a AP |
55 | dev_info(&d->udev->dev, "%s: downloading firmware from file '%s'\n", |
56 | KBUILD_MODNAME, name); | |
a0d72d24 | 57 | |
f093c388 | 58 | ret = d->props->download_firmware(d, fw); |
a0d72d24 | 59 | release_firmware(fw); |
a0d72d24 AP |
60 | if (ret < 0) |
61 | goto err; | |
62 | ||
c65bcb95 | 63 | return ret; |
a0d72d24 | 64 | err: |
d10d1b9a | 65 | dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); |
a0d72d24 AP |
66 | return ret; |
67 | } | |
68 | ||
d496eb8a | 69 | static int dvb_usbv2_i2c_init(struct dvb_usb_device *d) |
a177c72b | 70 | { |
0fba999f | 71 | int ret; |
d10d1b9a | 72 | dev_dbg(&d->udev->dev, "%s:\n", __func__); |
d70521a3 AP |
73 | |
74 | if (!d->props->i2c_algo) | |
75 | return 0; | |
a177c72b | 76 | |
c0decac1 | 77 | strscpy(d->i2c_adap.name, d->name, sizeof(d->i2c_adap.name)); |
f093c388 | 78 | d->i2c_adap.algo = d->props->i2c_algo; |
a177c72b | 79 | d->i2c_adap.dev.parent = &d->udev->dev; |
a177c72b AP |
80 | i2c_set_adapdata(&d->i2c_adap, d); |
81 | ||
82 | ret = i2c_add_adapter(&d->i2c_adap); | |
0fba999f | 83 | if (ret < 0) { |
d70521a3 | 84 | d->i2c_adap.algo = NULL; |
0fba999f AP |
85 | goto err; |
86 | } | |
a177c72b | 87 | |
0fba999f AP |
88 | return 0; |
89 | err: | |
d10d1b9a | 90 | dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); |
a177c72b AP |
91 | return ret; |
92 | } | |
93 | ||
d496eb8a | 94 | static int dvb_usbv2_i2c_exit(struct dvb_usb_device *d) |
a177c72b | 95 | { |
d10d1b9a | 96 | dev_dbg(&d->udev->dev, "%s:\n", __func__); |
0fba999f | 97 | |
d70521a3 AP |
98 | if (d->i2c_adap.algo) |
99 | i2c_del_adapter(&d->i2c_adap); | |
0fba999f | 100 | |
a177c72b AP |
101 | return 0; |
102 | } | |
103 | ||
37b44a0f | 104 | #if IS_ENABLED(CONFIG_RC_CORE) |
877e0aa7 AP |
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 | ||
831511bd AP |
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. | |
877e0aa7 | 114 | */ |
ac1c86c8 AP |
115 | if (dvb_usbv2_disable_rc_polling || d->rc.bulk_mode) { |
116 | d->rc_polling_active = false; | |
877e0aa7 | 117 | return; |
ac1c86c8 | 118 | } |
877e0aa7 AP |
119 | |
120 | ret = d->rc.query(d); | |
831511bd | 121 | if (ret < 0) { |
d10d1b9a AP |
122 | dev_err(&d->udev->dev, "%s: rc.query() failed=%d\n", |
123 | KBUILD_MODNAME, ret); | |
ac1c86c8 | 124 | d->rc_polling_active = false; |
831511bd AP |
125 | return; /* stop polling */ |
126 | } | |
877e0aa7 AP |
127 | |
128 | schedule_delayed_work(&d->rc_query_work, | |
831511bd | 129 | msecs_to_jiffies(d->rc.interval)); |
877e0aa7 AP |
130 | } |
131 | ||
132 | static int dvb_usbv2_remote_init(struct dvb_usb_device *d) | |
133 | { | |
134 | int ret; | |
135 | struct rc_dev *dev; | |
d10d1b9a | 136 | dev_dbg(&d->udev->dev, "%s:\n", __func__); |
ad261839 | 137 | |
877e0aa7 AP |
138 | if (dvb_usbv2_disable_rc_polling || !d->props->get_rc_config) |
139 | return 0; | |
140 | ||
de73beee | 141 | d->rc.map_name = d->rc_map; |
877e0aa7 AP |
142 | ret = d->props->get_rc_config(d, &d->rc); |
143 | if (ret < 0) | |
144 | goto err; | |
145 | ||
de73beee AP |
146 | /* disable rc when there is no keymap defined */ |
147 | if (!d->rc.map_name) | |
148 | return 0; | |
149 | ||
0f7499fd | 150 | dev = rc_allocate_device(d->rc.driver_type); |
877e0aa7 AP |
151 | if (!dev) { |
152 | ret = -ENOMEM; | |
153 | goto err; | |
154 | } | |
155 | ||
156 | dev->dev.parent = &d->udev->dev; | |
518f4b26 | 157 | dev->device_name = d->name; |
877e0aa7 AP |
158 | usb_make_path(d->udev, d->rc_phys, sizeof(d->rc_phys)); |
159 | strlcat(d->rc_phys, "/ir0", sizeof(d->rc_phys)); | |
160 | dev->input_phys = d->rc_phys; | |
161 | usb_to_input_id(d->udev, &dev->input_id); | |
518f4b26 | 162 | dev->driver_name = d->props->driver_name; |
de73beee | 163 | dev->map_name = d->rc.map_name; |
c5540fbb | 164 | dev->allowed_protocols = d->rc.allowed_protos; |
877e0aa7 AP |
165 | dev->change_protocol = d->rc.change_protocol; |
166 | dev->priv = d; | |
877e0aa7 AP |
167 | |
168 | ret = rc_register_device(dev); | |
169 | if (ret < 0) { | |
170 | rc_free_device(dev); | |
171 | goto err; | |
172 | } | |
173 | ||
877e0aa7 AP |
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); | |
6d7cfec4 AP |
181 | dev_info(&d->udev->dev, |
182 | "%s: schedule remote query interval to %d msecs\n", | |
183 | KBUILD_MODNAME, d->rc.interval); | |
877e0aa7 AP |
184 | schedule_delayed_work(&d->rc_query_work, |
185 | msecs_to_jiffies(d->rc.interval)); | |
ac1c86c8 | 186 | d->rc_polling_active = true; |
877e0aa7 AP |
187 | } |
188 | ||
877e0aa7 AP |
189 | return 0; |
190 | err: | |
d10d1b9a | 191 | dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); |
877e0aa7 AP |
192 | return ret; |
193 | } | |
194 | ||
195 | static int dvb_usbv2_remote_exit(struct dvb_usb_device *d) | |
196 | { | |
d10d1b9a | 197 | dev_dbg(&d->udev->dev, "%s:\n", __func__); |
ad261839 AP |
198 | |
199 | if (d->rc_dev) { | |
877e0aa7 AP |
200 | cancel_delayed_work_sync(&d->rc_query_work); |
201 | rc_unregister_device(d->rc_dev); | |
ad261839 | 202 | d->rc_dev = NULL; |
877e0aa7 AP |
203 | } |
204 | ||
877e0aa7 AP |
205 | return 0; |
206 | } | |
0c87c66a | 207 | #else |
ef382402 AP |
208 | #define dvb_usbv2_remote_init(args...) 0 |
209 | #define dvb_usbv2_remote_exit(args...) | |
0c87c66a | 210 | #endif |
877e0aa7 | 211 | |
41a0abf7 AP |
212 | static void dvb_usb_data_complete(struct usb_data_stream *stream, u8 *buf, |
213 | size_t len) | |
214 | { | |
215 | struct dvb_usb_adapter *adap = stream->user_priv; | |
216 | dvb_dmx_swfilter(&adap->demux, buf, len); | |
217 | } | |
218 | ||
219 | static void dvb_usb_data_complete_204(struct usb_data_stream *stream, u8 *buf, | |
220 | size_t len) | |
221 | { | |
222 | struct dvb_usb_adapter *adap = stream->user_priv; | |
223 | dvb_dmx_swfilter_204(&adap->demux, buf, len); | |
224 | } | |
225 | ||
226 | static void dvb_usb_data_complete_raw(struct usb_data_stream *stream, u8 *buf, | |
227 | size_t len) | |
228 | { | |
229 | struct dvb_usb_adapter *adap = stream->user_priv; | |
230 | dvb_dmx_swfilter_raw(&adap->demux, buf, len); | |
231 | } | |
232 | ||
691a5502 | 233 | static int dvb_usbv2_adapter_stream_init(struct dvb_usb_adapter *adap) |
41a0abf7 | 234 | { |
d10d1b9a AP |
235 | dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__, |
236 | adap->id); | |
41a0abf7 AP |
237 | |
238 | adap->stream.udev = adap_to_d(adap)->udev; | |
239 | adap->stream.user_priv = adap; | |
240 | adap->stream.complete = dvb_usb_data_complete; | |
241 | ||
242 | return usb_urb_initv2(&adap->stream, &adap->props->stream); | |
243 | } | |
244 | ||
691a5502 | 245 | static int dvb_usbv2_adapter_stream_exit(struct dvb_usb_adapter *adap) |
41a0abf7 | 246 | { |
d10d1b9a AP |
247 | dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__, |
248 | adap->id); | |
41a0abf7 | 249 | |
831511bd | 250 | return usb_urb_exitv2(&adap->stream); |
41a0abf7 AP |
251 | } |
252 | ||
96d7ca5e | 253 | static int dvb_usb_start_feed(struct dvb_demux_feed *dvbdmxfeed) |
41a0abf7 AP |
254 | { |
255 | struct dvb_usb_adapter *adap = dvbdmxfeed->demux->priv; | |
256 | struct dvb_usb_device *d = adap_to_d(adap); | |
96d7ca5e AP |
257 | int ret = 0; |
258 | struct usb_data_stream_properties stream_props; | |
259 | dev_dbg(&d->udev->dev, | |
260 | "%s: adap=%d active_fe=%d feed_type=%d setting pid [%s]: %04x (%04d) at index %d\n", | |
d10d1b9a | 261 | __func__, adap->id, adap->active_fe, dvbdmxfeed->type, |
41a0abf7 | 262 | adap->pid_filtering ? "yes" : "no", dvbdmxfeed->pid, |
96d7ca5e | 263 | dvbdmxfeed->pid, dvbdmxfeed->index); |
41a0abf7 | 264 | |
96d7ca5e | 265 | /* wait init is done */ |
74316201 | 266 | wait_on_bit(&adap->state_bits, ADAP_INIT, TASK_UNINTERRUPTIBLE); |
bdecbe43 | 267 | |
41a0abf7 AP |
268 | if (adap->active_fe == -1) |
269 | return -EINVAL; | |
270 | ||
96d7ca5e AP |
271 | /* skip feed setup if we are already feeding */ |
272 | if (adap->feed_count++ > 0) | |
273 | goto skip_feed_start; | |
274 | ||
275 | /* set 'streaming' status bit */ | |
276 | set_bit(ADAP_STREAMING, &adap->state_bits); | |
277 | ||
278 | /* resolve input and output streaming parameters */ | |
279 | if (d->props->get_stream_config) { | |
280 | memcpy(&stream_props, &adap->props->stream, | |
281 | sizeof(struct usb_data_stream_properties)); | |
282 | ret = d->props->get_stream_config(adap->fe[adap->active_fe], | |
283 | &adap->ts_type, &stream_props); | |
284 | if (ret) | |
285 | dev_err(&d->udev->dev, | |
286 | "%s: get_stream_config() failed=%d\n", | |
287 | KBUILD_MODNAME, ret); | |
288 | } else { | |
289 | stream_props = adap->props->stream; | |
290 | } | |
291 | ||
292 | switch (adap->ts_type) { | |
293 | case DVB_USB_FE_TS_TYPE_204: | |
294 | adap->stream.complete = dvb_usb_data_complete_204; | |
295 | break; | |
296 | case DVB_USB_FE_TS_TYPE_RAW: | |
297 | adap->stream.complete = dvb_usb_data_complete_raw; | |
298 | break; | |
299 | case DVB_USB_FE_TS_TYPE_188: | |
300 | default: | |
301 | adap->stream.complete = dvb_usb_data_complete; | |
302 | break; | |
303 | } | |
304 | ||
305 | /* submit USB streaming packets */ | |
306 | usb_urb_submitv2(&adap->stream, &stream_props); | |
307 | ||
308 | /* enable HW PID filter */ | |
309 | if (adap->pid_filtering && adap->props->pid_filter_ctrl) { | |
310 | ret = adap->props->pid_filter_ctrl(adap, 1); | |
311 | if (ret) | |
312 | dev_err(&d->udev->dev, | |
313 | "%s: pid_filter_ctrl() failed=%d\n", | |
314 | KBUILD_MODNAME, ret); | |
315 | } | |
316 | ||
317 | /* ask device to start streaming */ | |
318 | if (d->props->streaming_ctrl) { | |
319 | ret = d->props->streaming_ctrl(adap->fe[adap->active_fe], 1); | |
320 | if (ret) | |
321 | dev_err(&d->udev->dev, | |
322 | "%s: streaming_ctrl() failed=%d\n", | |
323 | KBUILD_MODNAME, ret); | |
41a0abf7 | 324 | } |
96d7ca5e | 325 | skip_feed_start: |
41a0abf7 | 326 | |
96d7ca5e AP |
327 | /* add PID to device HW PID filter */ |
328 | if (adap->pid_filtering && adap->props->pid_filter) { | |
41a0abf7 | 329 | ret = adap->props->pid_filter(adap, dvbdmxfeed->index, |
96d7ca5e AP |
330 | dvbdmxfeed->pid, 1); |
331 | if (ret) | |
2d9e7ea6 AP |
332 | dev_err(&d->udev->dev, "%s: pid_filter() failed=%d\n", |
333 | KBUILD_MODNAME, ret); | |
334 | } | |
41a0abf7 | 335 | |
96d7ca5e AP |
336 | if (ret) |
337 | dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); | |
338 | return ret; | |
339 | } | |
41a0abf7 | 340 | |
96d7ca5e AP |
341 | static int dvb_usb_stop_feed(struct dvb_demux_feed *dvbdmxfeed) |
342 | { | |
343 | struct dvb_usb_adapter *adap = dvbdmxfeed->demux->priv; | |
344 | struct dvb_usb_device *d = adap_to_d(adap); | |
345 | int ret = 0; | |
346 | dev_dbg(&d->udev->dev, | |
347 | "%s: adap=%d active_fe=%d feed_type=%d setting pid [%s]: %04x (%04d) at index %d\n", | |
348 | __func__, adap->id, adap->active_fe, dvbdmxfeed->type, | |
349 | adap->pid_filtering ? "yes" : "no", dvbdmxfeed->pid, | |
350 | dvbdmxfeed->pid, dvbdmxfeed->index); | |
351 | ||
352 | if (adap->active_fe == -1) | |
353 | return -EINVAL; | |
354 | ||
355 | /* remove PID from device HW PID filter */ | |
356 | if (adap->pid_filtering && adap->props->pid_filter) { | |
357 | ret = adap->props->pid_filter(adap, dvbdmxfeed->index, | |
358 | dvbdmxfeed->pid, 0); | |
359 | if (ret) | |
360 | dev_err(&d->udev->dev, "%s: pid_filter() failed=%d\n", | |
361 | KBUILD_MODNAME, ret); | |
41a0abf7 AP |
362 | } |
363 | ||
96d7ca5e AP |
364 | /* we cannot stop streaming until last PID is removed */ |
365 | if (--adap->feed_count > 0) | |
366 | goto skip_feed_stop; | |
367 | ||
368 | /* ask device to stop streaming */ | |
369 | if (d->props->streaming_ctrl) { | |
370 | ret = d->props->streaming_ctrl(adap->fe[adap->active_fe], 0); | |
371 | if (ret) | |
372 | dev_err(&d->udev->dev, | |
373 | "%s: streaming_ctrl() failed=%d\n", | |
374 | KBUILD_MODNAME, ret); | |
375 | } | |
376 | ||
377 | /* disable HW PID filter */ | |
378 | if (adap->pid_filtering && adap->props->pid_filter_ctrl) { | |
379 | ret = adap->props->pid_filter_ctrl(adap, 0); | |
380 | if (ret) | |
381 | dev_err(&d->udev->dev, | |
382 | "%s: pid_filter_ctrl() failed=%d\n", | |
383 | KBUILD_MODNAME, ret); | |
384 | } | |
385 | ||
386 | /* kill USB streaming packets */ | |
387 | usb_urb_killv2(&adap->stream); | |
388 | ||
389 | /* clear 'streaming' status bit */ | |
bdecbe43 | 390 | clear_bit(ADAP_STREAMING, &adap->state_bits); |
4e857c58 | 391 | smp_mb__after_atomic(); |
bdecbe43 | 392 | wake_up_bit(&adap->state_bits, ADAP_STREAMING); |
96d7ca5e | 393 | skip_feed_stop: |
41a0abf7 | 394 | |
96d7ca5e AP |
395 | if (ret) |
396 | dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); | |
397 | return ret; | |
41a0abf7 AP |
398 | } |
399 | ||
9f806795 | 400 | static int dvb_usbv2_media_device_init(struct dvb_usb_adapter *adap) |
6f6c77d8 RLLC |
401 | { |
402 | #ifdef CONFIG_MEDIA_CONTROLLER_DVB | |
6f6c77d8 | 403 | struct media_device *mdev; |
823b460e | 404 | struct dvb_usb_device *d = adap_to_d(adap); |
6f6c77d8 | 405 | struct usb_device *udev = d->udev; |
6f6c77d8 | 406 | |
6cf5dad1 | 407 | mdev = kzalloc(sizeof(*mdev), GFP_KERNEL); |
6f6c77d8 | 408 | if (!mdev) |
9f806795 | 409 | return -ENOMEM; |
6f6c77d8 | 410 | |
6cf5dad1 MCC |
411 | media_device_usb_init(mdev, udev, d->name); |
412 | ||
89a2c1d6 | 413 | dvb_register_media_controller(&adap->dvb_adap, mdev); |
6f6c77d8 RLLC |
414 | |
415 | dev_info(&d->udev->dev, "media controller created\n"); | |
9832e155 | 416 | #endif |
9f806795 | 417 | return 0; |
9832e155 | 418 | } |
6f6c77d8 | 419 | |
9f806795 | 420 | static int dvb_usbv2_media_device_register(struct dvb_usb_adapter *adap) |
9832e155 JMC |
421 | { |
422 | #ifdef CONFIG_MEDIA_CONTROLLER_DVB | |
9f806795 MCC |
423 | return media_device_register(adap->dvb_adap.mdev); |
424 | #else | |
425 | return 0; | |
6f6c77d8 RLLC |
426 | #endif |
427 | } | |
428 | ||
823b460e | 429 | static void dvb_usbv2_media_device_unregister(struct dvb_usb_adapter *adap) |
6f6c77d8 RLLC |
430 | { |
431 | #ifdef CONFIG_MEDIA_CONTROLLER_DVB | |
823b460e MCC |
432 | |
433 | if (!adap->dvb_adap.mdev) | |
6f6c77d8 RLLC |
434 | return; |
435 | ||
823b460e | 436 | media_device_unregister(adap->dvb_adap.mdev); |
9832e155 | 437 | media_device_cleanup(adap->dvb_adap.mdev); |
823b460e MCC |
438 | kfree(adap->dvb_adap.mdev); |
439 | adap->dvb_adap.mdev = NULL; | |
6f6c77d8 RLLC |
440 | |
441 | #endif | |
442 | } | |
443 | ||
691a5502 | 444 | static int dvb_usbv2_adapter_dvb_init(struct dvb_usb_adapter *adap) |
41a0abf7 AP |
445 | { |
446 | int ret; | |
447 | struct dvb_usb_device *d = adap_to_d(adap); | |
823b460e | 448 | |
d10d1b9a | 449 | dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id); |
41a0abf7 AP |
450 | |
451 | ret = dvb_register_adapter(&adap->dvb_adap, d->name, d->props->owner, | |
452 | &d->udev->dev, d->props->adapter_nr); | |
453 | if (ret < 0) { | |
d10d1b9a AP |
454 | dev_dbg(&d->udev->dev, "%s: dvb_register_adapter() failed=%d\n", |
455 | __func__, ret); | |
831511bd | 456 | goto err_dvb_register_adapter; |
41a0abf7 AP |
457 | } |
458 | ||
459 | adap->dvb_adap.priv = adap; | |
460 | ||
9f806795 MCC |
461 | ret = dvb_usbv2_media_device_init(adap); |
462 | if (ret < 0) { | |
463 | dev_dbg(&d->udev->dev, "%s: dvb_usbv2_media_device_init() failed=%d\n", | |
464 | __func__, ret); | |
465 | goto err_dvb_register_mc; | |
466 | } | |
6f6c77d8 | 467 | |
41a0abf7 AP |
468 | if (d->props->read_mac_address) { |
469 | ret = d->props->read_mac_address(adap, | |
470 | adap->dvb_adap.proposed_mac); | |
471 | if (ret < 0) | |
831511bd | 472 | goto err_dvb_dmx_init; |
41a0abf7 | 473 | |
d10d1b9a AP |
474 | dev_info(&d->udev->dev, "%s: MAC address: %pM\n", |
475 | KBUILD_MODNAME, adap->dvb_adap.proposed_mac); | |
41a0abf7 AP |
476 | } |
477 | ||
478 | adap->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING; | |
479 | adap->demux.priv = adap; | |
480 | adap->demux.filternum = 0; | |
831511bd | 481 | adap->demux.filternum = adap->max_feed_count; |
41a0abf7 AP |
482 | adap->demux.feednum = adap->demux.filternum; |
483 | adap->demux.start_feed = dvb_usb_start_feed; | |
484 | adap->demux.stop_feed = dvb_usb_stop_feed; | |
485 | adap->demux.write_to_decoder = NULL; | |
486 | ret = dvb_dmx_init(&adap->demux); | |
487 | if (ret < 0) { | |
d10d1b9a AP |
488 | dev_err(&d->udev->dev, "%s: dvb_dmx_init() failed=%d\n", |
489 | KBUILD_MODNAME, ret); | |
831511bd | 490 | goto err_dvb_dmx_init; |
41a0abf7 AP |
491 | } |
492 | ||
493 | adap->dmxdev.filternum = adap->demux.filternum; | |
494 | adap->dmxdev.demux = &adap->demux.dmx; | |
495 | adap->dmxdev.capabilities = 0; | |
496 | ret = dvb_dmxdev_init(&adap->dmxdev, &adap->dvb_adap); | |
497 | if (ret < 0) { | |
d10d1b9a AP |
498 | dev_err(&d->udev->dev, "%s: dvb_dmxdev_init() failed=%d\n", |
499 | KBUILD_MODNAME, ret); | |
831511bd | 500 | goto err_dvb_dmxdev_init; |
41a0abf7 AP |
501 | } |
502 | ||
503 | ret = dvb_net_init(&adap->dvb_adap, &adap->dvb_net, &adap->demux.dmx); | |
504 | if (ret < 0) { | |
d10d1b9a AP |
505 | dev_err(&d->udev->dev, "%s: dvb_net_init() failed=%d\n", |
506 | KBUILD_MODNAME, ret); | |
831511bd | 507 | goto err_dvb_net_init; |
41a0abf7 AP |
508 | } |
509 | ||
41a0abf7 | 510 | return 0; |
831511bd | 511 | err_dvb_net_init: |
41a0abf7 | 512 | dvb_dmxdev_release(&adap->dmxdev); |
831511bd | 513 | err_dvb_dmxdev_init: |
41a0abf7 | 514 | dvb_dmx_release(&adap->demux); |
831511bd | 515 | err_dvb_dmx_init: |
823b460e | 516 | dvb_usbv2_media_device_unregister(adap); |
9f806795 | 517 | err_dvb_register_mc: |
41a0abf7 | 518 | dvb_unregister_adapter(&adap->dvb_adap); |
831511bd | 519 | err_dvb_register_adapter: |
41a0abf7 AP |
520 | adap->dvb_adap.priv = NULL; |
521 | return ret; | |
522 | } | |
523 | ||
691a5502 | 524 | static int dvb_usbv2_adapter_dvb_exit(struct dvb_usb_adapter *adap) |
41a0abf7 | 525 | { |
d10d1b9a AP |
526 | dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__, |
527 | adap->id); | |
41a0abf7 AP |
528 | |
529 | if (adap->dvb_adap.priv) { | |
530 | dvb_net_release(&adap->dvb_net); | |
531 | adap->demux.dmx.close(&adap->demux.dmx); | |
532 | dvb_dmxdev_release(&adap->dmxdev); | |
533 | dvb_dmx_release(&adap->demux); | |
534 | dvb_unregister_adapter(&adap->dvb_adap); | |
535 | } | |
536 | ||
537 | return 0; | |
538 | } | |
539 | ||
691a5502 | 540 | static int dvb_usbv2_device_power_ctrl(struct dvb_usb_device *d, int onoff) |
41a0abf7 AP |
541 | { |
542 | int ret; | |
543 | ||
544 | if (onoff) | |
545 | d->powered++; | |
546 | else | |
547 | d->powered--; | |
548 | ||
549 | if (d->powered == 0 || (onoff && d->powered == 1)) { | |
550 | /* when switching from 1 to 0 or from 0 to 1 */ | |
d10d1b9a | 551 | dev_dbg(&d->udev->dev, "%s: power=%d\n", __func__, onoff); |
41a0abf7 AP |
552 | if (d->props->power_ctrl) { |
553 | ret = d->props->power_ctrl(d, onoff); | |
18cfe03d AP |
554 | if (ret < 0) |
555 | goto err; | |
41a0abf7 AP |
556 | } |
557 | } | |
558 | ||
559 | return 0; | |
560 | err: | |
d10d1b9a | 561 | dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); |
41a0abf7 AP |
562 | return ret; |
563 | } | |
564 | ||
831511bd | 565 | static int dvb_usb_fe_init(struct dvb_frontend *fe) |
41a0abf7 AP |
566 | { |
567 | int ret; | |
568 | struct dvb_usb_adapter *adap = fe->dvb->priv; | |
569 | struct dvb_usb_device *d = adap_to_d(adap); | |
d10d1b9a AP |
570 | dev_dbg(&d->udev->dev, "%s: adap=%d fe=%d\n", __func__, adap->id, |
571 | fe->id); | |
41a0abf7 | 572 | |
06bae122 AP |
573 | if (!adap->suspend_resume_active) { |
574 | adap->active_fe = fe->id; | |
bdecbe43 | 575 | set_bit(ADAP_INIT, &adap->state_bits); |
06bae122 AP |
576 | } |
577 | ||
41a0abf7 AP |
578 | ret = dvb_usbv2_device_power_ctrl(d, 1); |
579 | if (ret < 0) | |
580 | goto err; | |
581 | ||
582 | if (d->props->frontend_ctrl) { | |
583 | ret = d->props->frontend_ctrl(fe, 1); | |
584 | if (ret < 0) | |
585 | goto err; | |
586 | } | |
587 | ||
588 | if (adap->fe_init[fe->id]) { | |
589 | ret = adap->fe_init[fe->id](fe); | |
590 | if (ret < 0) | |
591 | goto err; | |
592 | } | |
41a0abf7 | 593 | err: |
bdecbe43 AP |
594 | if (!adap->suspend_resume_active) { |
595 | clear_bit(ADAP_INIT, &adap->state_bits); | |
4e857c58 | 596 | smp_mb__after_atomic(); |
bdecbe43 AP |
597 | wake_up_bit(&adap->state_bits, ADAP_INIT); |
598 | } | |
0898b954 | 599 | |
06bae122 | 600 | dev_dbg(&d->udev->dev, "%s: ret=%d\n", __func__, ret); |
0898b954 AP |
601 | return ret; |
602 | } | |
603 | ||
41a0abf7 AP |
604 | static int dvb_usb_fe_sleep(struct dvb_frontend *fe) |
605 | { | |
606 | int ret; | |
607 | struct dvb_usb_adapter *adap = fe->dvb->priv; | |
608 | struct dvb_usb_device *d = adap_to_d(adap); | |
d10d1b9a AP |
609 | dev_dbg(&d->udev->dev, "%s: adap=%d fe=%d\n", __func__, adap->id, |
610 | fe->id); | |
41a0abf7 | 611 | |
bdecbe43 AP |
612 | if (!adap->suspend_resume_active) { |
613 | set_bit(ADAP_SLEEP, &adap->state_bits); | |
74316201 | 614 | wait_on_bit(&adap->state_bits, ADAP_STREAMING, |
bdecbe43 AP |
615 | TASK_UNINTERRUPTIBLE); |
616 | } | |
06bae122 | 617 | |
41a0abf7 AP |
618 | if (adap->fe_sleep[fe->id]) { |
619 | ret = adap->fe_sleep[fe->id](fe); | |
620 | if (ret < 0) | |
621 | goto err; | |
622 | } | |
623 | ||
624 | if (d->props->frontend_ctrl) { | |
625 | ret = d->props->frontend_ctrl(fe, 0); | |
626 | if (ret < 0) | |
627 | goto err; | |
628 | } | |
629 | ||
630 | ret = dvb_usbv2_device_power_ctrl(d, 0); | |
b4b138a9 | 631 | |
41a0abf7 | 632 | err: |
06bae122 AP |
633 | if (!adap->suspend_resume_active) { |
634 | adap->active_fe = -1; | |
bdecbe43 | 635 | clear_bit(ADAP_SLEEP, &adap->state_bits); |
4e857c58 | 636 | smp_mb__after_atomic(); |
bdecbe43 | 637 | wake_up_bit(&adap->state_bits, ADAP_SLEEP); |
06bae122 | 638 | } |
0898b954 | 639 | |
06bae122 | 640 | dev_dbg(&d->udev->dev, "%s: ret=%d\n", __func__, ret); |
0898b954 AP |
641 | return ret; |
642 | } | |
643 | ||
691a5502 | 644 | static int dvb_usbv2_adapter_frontend_init(struct dvb_usb_adapter *adap) |
41a0abf7 AP |
645 | { |
646 | int ret, i, count_registered = 0; | |
647 | struct dvb_usb_device *d = adap_to_d(adap); | |
d10d1b9a | 648 | dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id); |
41a0abf7 AP |
649 | |
650 | memset(adap->fe, 0, sizeof(adap->fe)); | |
651 | adap->active_fe = -1; | |
652 | ||
653 | if (d->props->frontend_attach) { | |
654 | ret = d->props->frontend_attach(adap); | |
655 | if (ret < 0) { | |
6d7cfec4 AP |
656 | dev_dbg(&d->udev->dev, |
657 | "%s: frontend_attach() failed=%d\n", | |
658 | __func__, ret); | |
41a0abf7 AP |
659 | goto err_dvb_frontend_detach; |
660 | } | |
661 | } else { | |
d10d1b9a AP |
662 | dev_dbg(&d->udev->dev, "%s: frontend_attach() do not exists\n", |
663 | __func__); | |
41a0abf7 AP |
664 | ret = 0; |
665 | goto err; | |
666 | } | |
667 | ||
668 | for (i = 0; i < MAX_NO_OF_FE_PER_ADAP && adap->fe[i]; i++) { | |
669 | adap->fe[i]->id = i; | |
41a0abf7 AP |
670 | /* re-assign sleep and wakeup functions */ |
671 | adap->fe_init[i] = adap->fe[i]->ops.init; | |
06bae122 | 672 | adap->fe[i]->ops.init = dvb_usb_fe_init; |
41a0abf7 | 673 | adap->fe_sleep[i] = adap->fe[i]->ops.sleep; |
06bae122 | 674 | adap->fe[i]->ops.sleep = dvb_usb_fe_sleep; |
41a0abf7 AP |
675 | |
676 | ret = dvb_register_frontend(&adap->dvb_adap, adap->fe[i]); | |
677 | if (ret < 0) { | |
6d7cfec4 AP |
678 | dev_err(&d->udev->dev, |
679 | "%s: frontend%d registration failed\n", | |
680 | KBUILD_MODNAME, i); | |
41a0abf7 AP |
681 | goto err_dvb_unregister_frontend; |
682 | } | |
683 | ||
684 | count_registered++; | |
685 | } | |
686 | ||
687 | if (d->props->tuner_attach) { | |
688 | ret = d->props->tuner_attach(adap); | |
689 | if (ret < 0) { | |
d10d1b9a AP |
690 | dev_dbg(&d->udev->dev, "%s: tuner_attach() failed=%d\n", |
691 | __func__, ret); | |
41a0abf7 AP |
692 | goto err_dvb_unregister_frontend; |
693 | } | |
694 | } | |
695 | ||
0230d60e | 696 | ret = dvb_create_media_graph(&adap->dvb_adap, true); |
0d3ab841 MCC |
697 | if (ret < 0) |
698 | goto err_dvb_unregister_frontend; | |
6f6c77d8 | 699 | |
9f806795 | 700 | ret = dvb_usbv2_media_device_register(adap); |
9832e155 | 701 | |
9f806795 | 702 | return ret; |
41a0abf7 AP |
703 | |
704 | err_dvb_unregister_frontend: | |
705 | for (i = count_registered - 1; i >= 0; i--) | |
706 | dvb_unregister_frontend(adap->fe[i]); | |
707 | ||
708 | err_dvb_frontend_detach: | |
709 | for (i = MAX_NO_OF_FE_PER_ADAP - 1; i >= 0; i--) { | |
2a858486 | 710 | if (adap->fe[i]) { |
41a0abf7 | 711 | dvb_frontend_detach(adap->fe[i]); |
2a858486 AP |
712 | adap->fe[i] = NULL; |
713 | } | |
41a0abf7 AP |
714 | } |
715 | ||
716 | err: | |
d10d1b9a | 717 | dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); |
41a0abf7 AP |
718 | return ret; |
719 | } | |
720 | ||
691a5502 | 721 | static int dvb_usbv2_adapter_frontend_exit(struct dvb_usb_adapter *adap) |
41a0abf7 | 722 | { |
ca42129f AP |
723 | int ret, i; |
724 | struct dvb_usb_device *d = adap_to_d(adap); | |
725 | ||
726 | dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id); | |
41a0abf7 AP |
727 | |
728 | for (i = MAX_NO_OF_FE_PER_ADAP - 1; i >= 0; i--) { | |
729 | if (adap->fe[i]) { | |
730 | dvb_unregister_frontend(adap->fe[i]); | |
731 | dvb_frontend_detach(adap->fe[i]); | |
732 | } | |
733 | } | |
734 | ||
1066d77f AP |
735 | if (d->props->tuner_detach) { |
736 | ret = d->props->tuner_detach(adap); | |
737 | if (ret < 0) { | |
738 | dev_dbg(&d->udev->dev, "%s: tuner_detach() failed=%d\n", | |
739 | __func__, ret); | |
740 | } | |
741 | } | |
742 | ||
ca42129f AP |
743 | if (d->props->frontend_detach) { |
744 | ret = d->props->frontend_detach(adap); | |
745 | if (ret < 0) { | |
746 | dev_dbg(&d->udev->dev, | |
747 | "%s: frontend_detach() failed=%d\n", | |
748 | __func__, ret); | |
749 | } | |
750 | } | |
751 | ||
41a0abf7 AP |
752 | return 0; |
753 | } | |
754 | ||
59784343 | 755 | static int dvb_usbv2_adapter_init(struct dvb_usb_device *d) |
c79b339f AP |
756 | { |
757 | struct dvb_usb_adapter *adap; | |
d496eb8a | 758 | int ret, i, adapter_count; |
c79b339f | 759 | |
5b853004 | 760 | /* resolve adapter count */ |
f093c388 AP |
761 | adapter_count = d->props->num_adapters; |
762 | if (d->props->get_adapter_count) { | |
763 | ret = d->props->get_adapter_count(d); | |
5b853004 AP |
764 | if (ret < 0) |
765 | goto err; | |
766 | ||
767 | adapter_count = ret; | |
768 | } | |
769 | ||
d496eb8a AP |
770 | for (i = 0; i < adapter_count; i++) { |
771 | adap = &d->adapter[i]; | |
f093c388 AP |
772 | adap->id = i; |
773 | adap->props = &d->props->adapter[i]; | |
4e60d951 | 774 | |
e46c5b66 AP |
775 | /* speed - when running at FULL speed we need a HW PID filter */ |
776 | if (d->udev->speed == USB_SPEED_FULL && | |
f093c388 | 777 | !(adap->props->caps & DVB_USB_ADAP_HAS_PID_FILTER)) { |
6d7cfec4 AP |
778 | dev_err(&d->udev->dev, |
779 | "%s: this USB2.0 device cannot be run on a USB1.1 port (it lacks a hardware PID filter)\n", | |
d10d1b9a | 780 | KBUILD_MODNAME); |
d496eb8a AP |
781 | ret = -ENODEV; |
782 | goto err; | |
e46c5b66 | 783 | } else if ((d->udev->speed == USB_SPEED_FULL && |
f093c388 AP |
784 | adap->props->caps & DVB_USB_ADAP_HAS_PID_FILTER) || |
785 | (adap->props->caps & DVB_USB_ADAP_NEED_PID_FILTERING)) { | |
6d7cfec4 AP |
786 | dev_info(&d->udev->dev, |
787 | "%s: will use the device's hardware PID filter (table count: %d)\n", | |
788 | KBUILD_MODNAME, | |
f093c388 | 789 | adap->props->pid_filter_count); |
e46c5b66 | 790 | adap->pid_filtering = 1; |
f093c388 | 791 | adap->max_feed_count = adap->props->pid_filter_count; |
e46c5b66 | 792 | } else { |
6d7cfec4 AP |
793 | dev_info(&d->udev->dev, |
794 | "%s: will pass the complete MPEG2 transport stream to the software demuxer\n", | |
795 | KBUILD_MODNAME); | |
e46c5b66 AP |
796 | adap->pid_filtering = 0; |
797 | adap->max_feed_count = 255; | |
798 | } | |
c79b339f | 799 | |
e46c5b66 | 800 | if (!adap->pid_filtering && dvb_usb_force_pid_filter_usage && |
f093c388 | 801 | adap->props->caps & DVB_USB_ADAP_HAS_PID_FILTER) { |
6d7cfec4 AP |
802 | dev_info(&d->udev->dev, |
803 | "%s: PID filter enabled by module option\n", | |
804 | KBUILD_MODNAME); | |
e46c5b66 | 805 | adap->pid_filtering = 1; |
f093c388 | 806 | adap->max_feed_count = adap->props->pid_filter_count; |
c79b339f | 807 | } |
c79b339f | 808 | |
59784343 | 809 | ret = dvb_usbv2_adapter_stream_init(adap); |
4e60d951 | 810 | if (ret) |
d496eb8a | 811 | goto err; |
4e60d951 | 812 | |
59784343 | 813 | ret = dvb_usbv2_adapter_dvb_init(adap); |
4e60d951 | 814 | if (ret) |
d496eb8a | 815 | goto err; |
4e60d951 | 816 | |
59784343 | 817 | ret = dvb_usbv2_adapter_frontend_init(adap); |
4e60d951 | 818 | if (ret) |
d496eb8a | 819 | goto err; |
c79b339f AP |
820 | |
821 | /* use exclusive FE lock if there is multiple shared FEs */ | |
20bb9cc4 | 822 | if (adap->fe[1]) |
c79b339f | 823 | adap->dvb_adap.mfe_shared = 1; |
c79b339f AP |
824 | } |
825 | ||
c79b339f | 826 | return 0; |
5b853004 | 827 | err: |
d10d1b9a | 828 | dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); |
5b853004 | 829 | return ret; |
c79b339f AP |
830 | } |
831 | ||
59784343 | 832 | static int dvb_usbv2_adapter_exit(struct dvb_usb_device *d) |
c79b339f | 833 | { |
d496eb8a | 834 | int i; |
d10d1b9a | 835 | dev_dbg(&d->udev->dev, "%s:\n", __func__); |
6e3a5daa AP |
836 | |
837 | for (i = MAX_NO_OF_ADAPTER_PER_DEVICE - 1; i >= 0; i--) { | |
b62fd172 | 838 | if (d->adapter[i].props) { |
b62fd172 AP |
839 | dvb_usbv2_adapter_dvb_exit(&d->adapter[i]); |
840 | dvb_usbv2_adapter_stream_exit(&d->adapter[i]); | |
7a0af6ed | 841 | dvb_usbv2_adapter_frontend_exit(&d->adapter[i]); |
33c68533 | 842 | dvb_usbv2_media_device_unregister(&d->adapter[i]); |
b62fd172 | 843 | } |
c79b339f | 844 | } |
d496eb8a | 845 | |
c79b339f AP |
846 | return 0; |
847 | } | |
848 | ||
c79b339f | 849 | /* general initialization functions */ |
59784343 | 850 | static int dvb_usbv2_exit(struct dvb_usb_device *d) |
c79b339f | 851 | { |
d10d1b9a | 852 | dev_dbg(&d->udev->dev, "%s:\n", __func__); |
d70521a3 | 853 | |
59784343 AP |
854 | dvb_usbv2_remote_exit(d); |
855 | dvb_usbv2_adapter_exit(d); | |
856 | dvb_usbv2_i2c_exit(d); | |
d496eb8a | 857 | |
c79b339f AP |
858 | return 0; |
859 | } | |
860 | ||
59784343 | 861 | static int dvb_usbv2_init(struct dvb_usb_device *d) |
c79b339f | 862 | { |
831511bd | 863 | int ret; |
d10d1b9a | 864 | dev_dbg(&d->udev->dev, "%s:\n", __func__); |
c79b339f | 865 | |
59784343 | 866 | dvb_usbv2_device_power_ctrl(d, 1); |
c79b339f | 867 | |
f093c388 AP |
868 | if (d->props->read_config) { |
869 | ret = d->props->read_config(d); | |
43402bbd AP |
870 | if (ret < 0) |
871 | goto err; | |
872 | } | |
873 | ||
59784343 | 874 | ret = dvb_usbv2_i2c_init(d); |
d496eb8a AP |
875 | if (ret < 0) |
876 | goto err; | |
4e60d951 | 877 | |
d496eb8a AP |
878 | ret = dvb_usbv2_adapter_init(d); |
879 | if (ret < 0) | |
880 | goto err; | |
c79b339f | 881 | |
f093c388 AP |
882 | if (d->props->init) { |
883 | ret = d->props->init(d); | |
d496eb8a AP |
884 | if (ret < 0) |
885 | goto err; | |
886 | } | |
dc786937 | 887 | |
59784343 | 888 | ret = dvb_usbv2_remote_init(d); |
d496eb8a AP |
889 | if (ret < 0) |
890 | goto err; | |
c79b339f | 891 | |
59784343 | 892 | dvb_usbv2_device_power_ctrl(d, 0); |
c79b339f AP |
893 | |
894 | return 0; | |
43402bbd | 895 | err: |
d496eb8a | 896 | dvb_usbv2_device_power_ctrl(d, 0); |
d10d1b9a | 897 | dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); |
43402bbd | 898 | return ret; |
c79b339f AP |
899 | } |
900 | ||
dd0f5e0b AP |
901 | int dvb_usbv2_probe(struct usb_interface *intf, |
902 | const struct usb_device_id *id) | |
4f208d4e AP |
903 | { |
904 | int ret; | |
dd0f5e0b AP |
905 | struct dvb_usb_device *d; |
906 | struct usb_device *udev = interface_to_usbdev(intf); | |
907 | struct dvb_usb_driver_info *driver_info = | |
908 | (struct dvb_usb_driver_info *) id->driver_info; | |
909 | ||
910 | dev_dbg(&udev->dev, "%s: bInterfaceNumber=%d\n", __func__, | |
911 | intf->cur_altsetting->desc.bInterfaceNumber); | |
912 | ||
913 | if (!id->driver_info) { | |
914 | dev_err(&udev->dev, "%s: driver_info failed\n", KBUILD_MODNAME); | |
915 | ret = -ENODEV; | |
916 | goto err; | |
917 | } | |
918 | ||
919 | d = kzalloc(sizeof(struct dvb_usb_device), GFP_KERNEL); | |
920 | if (!d) { | |
921 | dev_err(&udev->dev, "%s: kzalloc() failed\n", KBUILD_MODNAME); | |
922 | ret = -ENOMEM; | |
923 | goto err; | |
924 | } | |
496e8278 | 925 | |
ac5361a8 | 926 | d->intf = intf; |
dd0f5e0b AP |
927 | d->name = driver_info->name; |
928 | d->rc_map = driver_info->rc_map; | |
929 | d->udev = udev; | |
930 | d->props = driver_info->props; | |
931 | ||
932 | if (intf->cur_altsetting->desc.bInterfaceNumber != | |
933 | d->props->bInterfaceNumber) { | |
934 | ret = -ENODEV; | |
19324414 | 935 | goto err_kfree_d; |
dd0f5e0b AP |
936 | } |
937 | ||
938 | mutex_init(&d->usb_mutex); | |
939 | mutex_init(&d->i2c_mutex); | |
c79b339f | 940 | |
f093c388 AP |
941 | if (d->props->size_of_priv) { |
942 | d->priv = kzalloc(d->props->size_of_priv, GFP_KERNEL); | |
4f208d4e | 943 | if (!d->priv) { |
d10d1b9a AP |
944 | dev_err(&d->udev->dev, "%s: kzalloc() failed\n", |
945 | KBUILD_MODNAME); | |
496e8278 | 946 | ret = -ENOMEM; |
19324414 | 947 | goto err_kfree_d; |
496e8278 AP |
948 | } |
949 | } | |
c79b339f | 950 | |
19324414 AP |
951 | if (d->props->probe) { |
952 | ret = d->props->probe(d); | |
953 | if (ret) | |
954 | goto err_kfree_priv; | |
955 | } | |
956 | ||
f093c388 | 957 | if (d->props->identify_state) { |
a0921af7 AP |
958 | const char *name = NULL; |
959 | ret = d->props->identify_state(d, &name); | |
bac26a63 | 960 | if (ret == COLD) { |
6d7cfec4 AP |
961 | dev_info(&d->udev->dev, |
962 | "%s: found a '%s' in cold state\n", | |
963 | KBUILD_MODNAME, d->name); | |
a0921af7 AP |
964 | |
965 | if (!name) | |
966 | name = d->props->firmware; | |
967 | ||
968 | ret = dvb_usbv2_download_firmware(d, name); | |
969 | if (ret == 0) { | |
970 | /* device is warm, continue initialization */ | |
971 | ; | |
972 | } else if (ret == RECONNECTS_USB) { | |
973 | /* | |
974 | * USB core will call disconnect() and then | |
975 | * probe() as device reconnects itself from the | |
976 | * USB bus. disconnect() will release all driver | |
977 | * resources and probe() is called for 'new' | |
978 | * device. As 'new' device is warm we should | |
979 | * never go here again. | |
980 | */ | |
dd0f5e0b | 981 | goto exit; |
a0921af7 | 982 | } else { |
dd0f5e0b | 983 | goto err_free_all; |
a0921af7 | 984 | } |
bac26a63 | 985 | } else if (ret != WARM) { |
dd0f5e0b | 986 | goto err_free_all; |
496e8278 | 987 | } |
c79b339f AP |
988 | } |
989 | ||
d10d1b9a AP |
990 | dev_info(&d->udev->dev, "%s: found a '%s' in warm state\n", |
991 | KBUILD_MODNAME, d->name); | |
c79b339f | 992 | |
59784343 | 993 | ret = dvb_usbv2_init(d); |
4f208d4e | 994 | if (ret < 0) |
dd0f5e0b | 995 | goto err_free_all; |
c79b339f | 996 | |
6d7cfec4 AP |
997 | dev_info(&d->udev->dev, |
998 | "%s: '%s' successfully initialized and connected\n", | |
999 | KBUILD_MODNAME, d->name); | |
dd0f5e0b | 1000 | exit: |
4f208d4e | 1001 | usb_set_intfdata(intf, d); |
21f5a32e AP |
1002 | |
1003 | return 0; | |
dd0f5e0b AP |
1004 | err_free_all: |
1005 | dvb_usbv2_exit(d); | |
19324414 AP |
1006 | if (d->props->disconnect) |
1007 | d->props->disconnect(d); | |
1008 | err_kfree_priv: | |
1009 | kfree(d->priv); | |
1010 | err_kfree_d: | |
1011 | kfree(d); | |
21f5a32e | 1012 | err: |
d10d1b9a | 1013 | dev_dbg(&udev->dev, "%s: failed=%d\n", __func__, ret); |
21f5a32e AP |
1014 | return ret; |
1015 | } | |
6b8c8c40 | 1016 | EXPORT_SYMBOL(dvb_usbv2_probe); |
21f5a32e | 1017 | |
6b8c8c40 | 1018 | void dvb_usbv2_disconnect(struct usb_interface *intf) |
c79b339f AP |
1019 | { |
1020 | struct dvb_usb_device *d = usb_get_intfdata(intf); | |
00514537 AB |
1021 | const char *devname = kstrdup(dev_name(&d->udev->dev), GFP_KERNEL); |
1022 | const char *drvname = d->name; | |
6f6c77d8 | 1023 | |
dd0f5e0b AP |
1024 | dev_dbg(&d->udev->dev, "%s: bInterfaceNumber=%d\n", __func__, |
1025 | intf->cur_altsetting->desc.bInterfaceNumber); | |
c79b339f | 1026 | |
831511bd AP |
1027 | if (d->props->exit) |
1028 | d->props->exit(d); | |
5b6a63cc | 1029 | |
823eebac | 1030 | dvb_usbv2_exit(d); |
4f208d4e | 1031 | |
19324414 AP |
1032 | if (d->props->disconnect) |
1033 | d->props->disconnect(d); | |
1034 | ||
1035 | kfree(d->priv); | |
1036 | kfree(d); | |
1037 | ||
00514537 AB |
1038 | pr_info("%s: '%s:%s' successfully deinitialized and disconnected\n", |
1039 | KBUILD_MODNAME, drvname, devname); | |
1040 | kfree(devname); | |
c79b339f | 1041 | } |
6b8c8c40 | 1042 | EXPORT_SYMBOL(dvb_usbv2_disconnect); |
c79b339f | 1043 | |
ef81e9eb AP |
1044 | int dvb_usbv2_suspend(struct usb_interface *intf, pm_message_t msg) |
1045 | { | |
1046 | struct dvb_usb_device *d = usb_get_intfdata(intf); | |
15d08836 | 1047 | int ret = 0, i, active_fe; |
0898b954 | 1048 | struct dvb_frontend *fe; |
d10d1b9a | 1049 | dev_dbg(&d->udev->dev, "%s:\n", __func__); |
ef81e9eb AP |
1050 | |
1051 | /* stop remote controller poll */ | |
ac1c86c8 | 1052 | if (d->rc_polling_active) |
ef81e9eb AP |
1053 | cancel_delayed_work_sync(&d->rc_query_work); |
1054 | ||
5cd98320 | 1055 | for (i = MAX_NO_OF_ADAPTER_PER_DEVICE - 1; i >= 0; i--) { |
0898b954 AP |
1056 | active_fe = d->adapter[i].active_fe; |
1057 | if (d->adapter[i].dvb_adap.priv && active_fe != -1) { | |
1058 | fe = d->adapter[i].fe[active_fe]; | |
06bae122 | 1059 | d->adapter[i].suspend_resume_active = true; |
0898b954 AP |
1060 | |
1061 | if (d->props->streaming_ctrl) | |
1062 | d->props->streaming_ctrl(fe, 0); | |
1063 | ||
1064 | /* stop usb streaming */ | |
ef81e9eb | 1065 | usb_urb_killv2(&d->adapter[i].stream); |
0898b954 | 1066 | |
15d08836 | 1067 | ret = dvb_frontend_suspend(fe); |
0898b954 | 1068 | } |
ef81e9eb AP |
1069 | } |
1070 | ||
15d08836 | 1071 | return ret; |
ef81e9eb AP |
1072 | } |
1073 | EXPORT_SYMBOL(dvb_usbv2_suspend); | |
1074 | ||
15d08836 | 1075 | static int dvb_usbv2_resume_common(struct dvb_usb_device *d) |
ef81e9eb | 1076 | { |
15d08836 | 1077 | int ret = 0, i, active_fe; |
0898b954 | 1078 | struct dvb_frontend *fe; |
d10d1b9a | 1079 | dev_dbg(&d->udev->dev, "%s:\n", __func__); |
ef81e9eb | 1080 | |
5cd98320 | 1081 | for (i = 0; i < MAX_NO_OF_ADAPTER_PER_DEVICE; i++) { |
0898b954 AP |
1082 | active_fe = d->adapter[i].active_fe; |
1083 | if (d->adapter[i].dvb_adap.priv && active_fe != -1) { | |
1084 | fe = d->adapter[i].fe[active_fe]; | |
1085 | ||
15d08836 | 1086 | ret = dvb_frontend_resume(fe); |
0898b954 AP |
1087 | |
1088 | /* resume usb streaming */ | |
ef81e9eb | 1089 | usb_urb_submitv2(&d->adapter[i].stream, NULL); |
0898b954 AP |
1090 | |
1091 | if (d->props->streaming_ctrl) | |
1092 | d->props->streaming_ctrl(fe, 1); | |
06bae122 AP |
1093 | |
1094 | d->adapter[i].suspend_resume_active = false; | |
0898b954 | 1095 | } |
ef81e9eb AP |
1096 | } |
1097 | ||
1098 | /* start remote controller poll */ | |
ac1c86c8 | 1099 | if (d->rc_polling_active) |
ef81e9eb AP |
1100 | schedule_delayed_work(&d->rc_query_work, |
1101 | msecs_to_jiffies(d->rc.interval)); | |
1102 | ||
15d08836 AP |
1103 | return ret; |
1104 | } | |
1105 | ||
1106 | int dvb_usbv2_resume(struct usb_interface *intf) | |
1107 | { | |
1108 | struct dvb_usb_device *d = usb_get_intfdata(intf); | |
1109 | dev_dbg(&d->udev->dev, "%s:\n", __func__); | |
1110 | ||
1111 | return dvb_usbv2_resume_common(d); | |
ef81e9eb AP |
1112 | } |
1113 | EXPORT_SYMBOL(dvb_usbv2_resume); | |
1114 | ||
15d08836 AP |
1115 | int dvb_usbv2_reset_resume(struct usb_interface *intf) |
1116 | { | |
1117 | struct dvb_usb_device *d = usb_get_intfdata(intf); | |
1118 | int ret; | |
1119 | dev_dbg(&d->udev->dev, "%s:\n", __func__); | |
1120 | ||
1121 | dvb_usbv2_device_power_ctrl(d, 1); | |
1122 | ||
1123 | if (d->props->init) | |
1124 | d->props->init(d); | |
1125 | ||
1126 | ret = dvb_usbv2_resume_common(d); | |
1127 | ||
1128 | dvb_usbv2_device_power_ctrl(d, 0); | |
1129 | ||
1130 | return ret; | |
1131 | } | |
1132 | EXPORT_SYMBOL(dvb_usbv2_reset_resume); | |
1133 | ||
12042b05 | 1134 | MODULE_VERSION("2.0"); |
99e44da7 | 1135 | MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>"); |
12042b05 AP |
1136 | MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); |
1137 | MODULE_DESCRIPTION("DVB USB common"); | |
c79b339f | 1138 | MODULE_LICENSE("GPL"); |