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Commit | Line | Data |
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776338e1 JS |
1 | /* dvb-usb-dvb.c is part of the DVB USB library. |
2 | * | |
4d43e13f | 3 | * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@desy.de) |
776338e1 JS |
4 | * see dvb-usb-init.c for copyright information. |
5 | * | |
6 | * This file contains functions for initializing and handling the | |
7 | * linux-dvb API. | |
8 | */ | |
9 | #include "dvb-usb-common.h" | |
10 | ||
4d43e13f | 11 | /* does the complete input transfer handling */ |
776338e1 JS |
12 | static int dvb_usb_ctrl_feed(struct dvb_demux_feed *dvbdmxfeed, int onoff) |
13 | { | |
4d43e13f | 14 | struct dvb_usb_adapter *adap = dvbdmxfeed->demux->priv; |
c8b7ced3 | 15 | int newfeedcount, ret; |
776338e1 | 16 | |
4d43e13f | 17 | if (adap == NULL) |
776338e1 JS |
18 | return -ENODEV; |
19 | ||
2d04c13a MK |
20 | if ((adap->active_fe < 0) || |
21 | (adap->active_fe >= adap->num_frontends_initialized)) { | |
77eed219 MK |
22 | return -EINVAL; |
23 | } | |
24 | ||
4d43e13f | 25 | newfeedcount = adap->feedcount + (onoff ? 1 : -1); |
776338e1 | 26 | |
4d43e13f | 27 | /* stop feed before setting a new pid if there will be no pid anymore */ |
776338e1 JS |
28 | if (newfeedcount == 0) { |
29 | deb_ts("stop feeding\n"); | |
77eed219 | 30 | usb_urb_kill(&adap->fe_adap[adap->active_fe].stream); |
776338e1 | 31 | |
77eed219 MK |
32 | if (adap->props.fe[adap->active_fe].streaming_ctrl != NULL) { |
33 | ret = adap->props.fe[adap->active_fe].streaming_ctrl(adap, 0); | |
dca6b74b MP |
34 | if (ret < 0) { |
35 | err("error while stopping stream."); | |
c8b7ced3 | 36 | return ret; |
dca6b74b | 37 | } |
c8b7ced3 | 38 | } |
776338e1 JS |
39 | } |
40 | ||
4d43e13f | 41 | adap->feedcount = newfeedcount; |
776338e1 JS |
42 | |
43 | /* activate the pid on the device specific pid_filter */ | |
2b7a7c30 MK |
44 | deb_ts("setting pid (%s): %5d %04x at index %d '%s'\n", |
45 | adap->fe_adap[adap->active_fe].pid_filtering ? | |
46 | "yes" : "no", dvbdmxfeed->pid, dvbdmxfeed->pid, | |
47 | dvbdmxfeed->index, onoff ? "on" : "off"); | |
77eed219 MK |
48 | if (adap->props.fe[adap->active_fe].caps & DVB_USB_ADAP_HAS_PID_FILTER && |
49 | adap->fe_adap[adap->active_fe].pid_filtering && | |
50 | adap->props.fe[adap->active_fe].pid_filter != NULL) | |
51 | adap->props.fe[adap->active_fe].pid_filter(adap, dvbdmxfeed->index, dvbdmxfeed->pid, onoff); | |
776338e1 JS |
52 | |
53 | /* start the feed if this was the first feed and there is still a feed | |
54 | * for reception. | |
55 | */ | |
4d43e13f | 56 | if (adap->feedcount == onoff && adap->feedcount > 0) { |
8126fdbc | 57 | deb_ts("submitting all URBs\n"); |
77eed219 | 58 | usb_urb_submit(&adap->fe_adap[adap->active_fe].stream); |
776338e1 JS |
59 | |
60 | deb_ts("controlling pid parser\n"); | |
77eed219 MK |
61 | if (adap->props.fe[adap->active_fe].caps & DVB_USB_ADAP_HAS_PID_FILTER && |
62 | adap->props.fe[adap->active_fe].caps & | |
c8b7ced3 | 63 | DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF && |
77eed219 MK |
64 | adap->props.fe[adap->active_fe].pid_filter_ctrl != NULL) { |
65 | ret = adap->props.fe[adap->active_fe].pid_filter_ctrl(adap, | |
66 | adap->fe_adap[adap->active_fe].pid_filtering); | |
c8b7ced3 | 67 | if (ret < 0) { |
776338e1 | 68 | err("could not handle pid_parser"); |
c8b7ced3 MP |
69 | return ret; |
70 | } | |
71 | } | |
776338e1 | 72 | deb_ts("start feeding\n"); |
77eed219 MK |
73 | if (adap->props.fe[adap->active_fe].streaming_ctrl != NULL) { |
74 | ret = adap->props.fe[adap->active_fe].streaming_ctrl(adap, 1); | |
c8b7ced3 | 75 | if (ret < 0) { |
776338e1 | 76 | err("error while enabling fifo."); |
c8b7ced3 | 77 | return ret; |
776338e1 | 78 | } |
c8b7ced3 | 79 | } |
776338e1 | 80 | |
776338e1 JS |
81 | } |
82 | return 0; | |
83 | } | |
84 | ||
85 | static int dvb_usb_start_feed(struct dvb_demux_feed *dvbdmxfeed) | |
86 | { | |
87 | deb_ts("start pid: 0x%04x, feedtype: %d\n", dvbdmxfeed->pid,dvbdmxfeed->type); | |
88 | return dvb_usb_ctrl_feed(dvbdmxfeed,1); | |
89 | } | |
90 | ||
91 | static int dvb_usb_stop_feed(struct dvb_demux_feed *dvbdmxfeed) | |
92 | { | |
93 | deb_ts("stop pid: 0x%04x, feedtype: %d\n", dvbdmxfeed->pid, dvbdmxfeed->type); | |
94 | return dvb_usb_ctrl_feed(dvbdmxfeed,0); | |
95 | } | |
96 | ||
78e92006 | 97 | int dvb_usb_adapter_dvb_init(struct dvb_usb_adapter *adap, short *adapter_nums) |
776338e1 | 98 | { |
77eed219 | 99 | int i; |
78e92006 JG |
100 | int ret = dvb_register_adapter(&adap->dvb_adap, adap->dev->desc->name, |
101 | adap->dev->owner, &adap->dev->udev->dev, | |
102 | adapter_nums); | |
776338e1 | 103 | |
78e92006 | 104 | if (ret < 0) { |
776338e1 JS |
105 | deb_info("dvb_register_adapter failed: error %d", ret); |
106 | goto err; | |
107 | } | |
4d43e13f PB |
108 | adap->dvb_adap.priv = adap; |
109 | ||
110 | if (adap->dev->props.read_mac_address) { | |
111 | if (adap->dev->props.read_mac_address(adap->dev,adap->dvb_adap.proposed_mac) == 0) | |
7c510e4b | 112 | info("MAC address: %pM",adap->dvb_adap.proposed_mac); |
776338e1 JS |
113 | else |
114 | err("MAC address reading failed."); | |
115 | } | |
116 | ||
117 | ||
4d43e13f PB |
118 | adap->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING; |
119 | adap->demux.priv = adap; | |
776338e1 | 120 | |
77eed219 MK |
121 | adap->demux.filternum = 0; |
122 | for (i = 0; i < adap->props.num_frontends; i++) { | |
123 | if (adap->demux.filternum < adap->fe_adap[i].max_feed_count) | |
124 | adap->demux.filternum = adap->fe_adap[i].max_feed_count; | |
125 | } | |
126 | adap->demux.feednum = adap->demux.filternum; | |
4d43e13f PB |
127 | adap->demux.start_feed = dvb_usb_start_feed; |
128 | adap->demux.stop_feed = dvb_usb_stop_feed; | |
129 | adap->demux.write_to_decoder = NULL; | |
130 | if ((ret = dvb_dmx_init(&adap->demux)) < 0) { | |
776338e1 JS |
131 | err("dvb_dmx_init failed: error %d",ret); |
132 | goto err_dmx; | |
133 | } | |
134 | ||
4d43e13f PB |
135 | adap->dmxdev.filternum = adap->demux.filternum; |
136 | adap->dmxdev.demux = &adap->demux.dmx; | |
137 | adap->dmxdev.capabilities = 0; | |
138 | if ((ret = dvb_dmxdev_init(&adap->dmxdev, &adap->dvb_adap)) < 0) { | |
776338e1 JS |
139 | err("dvb_dmxdev_init failed: error %d",ret); |
140 | goto err_dmx_dev; | |
141 | } | |
142 | ||
60826f02 JN |
143 | if ((ret = dvb_net_init(&adap->dvb_adap, &adap->dvb_net, |
144 | &adap->demux.dmx)) < 0) { | |
145 | err("dvb_net_init failed: error %d",ret); | |
146 | goto err_net_init; | |
147 | } | |
776338e1 | 148 | |
4d43e13f | 149 | adap->state |= DVB_USB_ADAP_STATE_DVB; |
8397703e TP |
150 | return 0; |
151 | ||
60826f02 JN |
152 | err_net_init: |
153 | dvb_dmxdev_release(&adap->dmxdev); | |
776338e1 | 154 | err_dmx_dev: |
4d43e13f | 155 | dvb_dmx_release(&adap->demux); |
776338e1 | 156 | err_dmx: |
4d43e13f | 157 | dvb_unregister_adapter(&adap->dvb_adap); |
776338e1 JS |
158 | err: |
159 | return ret; | |
776338e1 JS |
160 | } |
161 | ||
4d43e13f | 162 | int dvb_usb_adapter_dvb_exit(struct dvb_usb_adapter *adap) |
776338e1 | 163 | { |
4d43e13f | 164 | if (adap->state & DVB_USB_ADAP_STATE_DVB) { |
776338e1 | 165 | deb_info("unregistering DVB part\n"); |
4d43e13f PB |
166 | dvb_net_release(&adap->dvb_net); |
167 | adap->demux.dmx.close(&adap->demux.dmx); | |
168 | dvb_dmxdev_release(&adap->dmxdev); | |
169 | dvb_dmx_release(&adap->demux); | |
170 | dvb_unregister_adapter(&adap->dvb_adap); | |
171 | adap->state &= ~DVB_USB_ADAP_STATE_DVB; | |
776338e1 JS |
172 | } |
173 | return 0; | |
174 | } | |
175 | ||
77eed219 MK |
176 | static int dvb_usb_set_active_fe(struct dvb_frontend *fe, int onoff) |
177 | { | |
178 | struct dvb_usb_adapter *adap = fe->dvb->priv; | |
179 | ||
180 | int ret = (adap->props.frontend_ctrl) ? | |
181 | adap->props.frontend_ctrl(fe, onoff) : 0; | |
182 | ||
183 | if (ret < 0) { | |
184 | err("frontend_ctrl request failed"); | |
185 | return ret; | |
186 | } | |
187 | if (onoff) | |
188 | adap->active_fe = fe->id; | |
189 | ||
190 | return 0; | |
191 | } | |
192 | ||
776338e1 JS |
193 | static int dvb_usb_fe_wakeup(struct dvb_frontend *fe) |
194 | { | |
4d43e13f | 195 | struct dvb_usb_adapter *adap = fe->dvb->priv; |
776338e1 | 196 | |
4d43e13f | 197 | dvb_usb_device_power_ctrl(adap->dev, 1); |
776338e1 | 198 | |
77eed219 | 199 | dvb_usb_set_active_fe(fe, 1); |
9bd9e3bd | 200 | |
77eed219 MK |
201 | if (adap->fe_adap[fe->id].fe_init) |
202 | adap->fe_adap[fe->id].fe_init(fe); | |
776338e1 JS |
203 | |
204 | return 0; | |
205 | } | |
206 | ||
207 | static int dvb_usb_fe_sleep(struct dvb_frontend *fe) | |
208 | { | |
4d43e13f | 209 | struct dvb_usb_adapter *adap = fe->dvb->priv; |
776338e1 | 210 | |
77eed219 MK |
211 | if (adap->fe_adap[fe->id].fe_sleep) |
212 | adap->fe_adap[fe->id].fe_sleep(fe); | |
9bd9e3bd | 213 | |
77eed219 | 214 | dvb_usb_set_active_fe(fe, 0); |
776338e1 | 215 | |
4d43e13f | 216 | return dvb_usb_device_power_ctrl(adap->dev, 0); |
776338e1 JS |
217 | } |
218 | ||
4d43e13f | 219 | int dvb_usb_adapter_frontend_init(struct dvb_usb_adapter *adap) |
776338e1 | 220 | { |
77eed219 | 221 | int ret, i; |
9bd9e3bd | 222 | |
77eed219 MK |
223 | /* register all given adapter frontends */ |
224 | for (i = 0; i < adap->props.num_frontends; i++) { | |
9bd9e3bd | 225 | |
77eed219 MK |
226 | if (adap->props.fe[i].frontend_attach == NULL) { |
227 | err("strange: '%s' #%d,%d " | |
228 | "doesn't want to attach a frontend.", | |
229 | adap->dev->desc->name, adap->id, i); | |
9bd9e3bd | 230 | |
77eed219 MK |
231 | return 0; |
232 | } | |
776338e1 | 233 | |
77eed219 MK |
234 | ret = adap->props.fe[i].frontend_attach(adap); |
235 | if (ret || adap->fe_adap[i].fe == NULL) { | |
9bd9e3bd AP |
236 | /* only print error when there is no FE at all */ |
237 | if (i == 0) | |
238 | err("no frontend was attached by '%s'", | |
239 | adap->dev->desc->name); | |
240 | ||
241 | return 0; | |
242 | } | |
776338e1 | 243 | |
77eed219 | 244 | adap->fe_adap[i].fe->id = i; |
9bd9e3bd AP |
245 | |
246 | /* re-assign sleep and wakeup functions */ | |
77eed219 MK |
247 | adap->fe_adap[i].fe_init = adap->fe_adap[i].fe->ops.init; |
248 | adap->fe_adap[i].fe->ops.init = dvb_usb_fe_wakeup; | |
249 | adap->fe_adap[i].fe_sleep = adap->fe_adap[i].fe->ops.sleep; | |
250 | adap->fe_adap[i].fe->ops.sleep = dvb_usb_fe_sleep; | |
9bd9e3bd | 251 | |
77eed219 | 252 | if (dvb_register_frontend(&adap->dvb_adap, adap->fe_adap[i].fe)) { |
9bd9e3bd | 253 | err("Frontend %d registration failed.", i); |
77eed219 MK |
254 | dvb_frontend_detach(adap->fe_adap[i].fe); |
255 | adap->fe_adap[i].fe = NULL; | |
9bd9e3bd AP |
256 | /* In error case, do not try register more FEs, |
257 | * still leaving already registered FEs alive. */ | |
258 | if (i == 0) | |
259 | return -ENODEV; | |
260 | else | |
261 | return 0; | |
776338e1 | 262 | } |
5a19f312 PB |
263 | |
264 | /* only attach the tuner if the demod is there */ | |
77eed219 MK |
265 | if (adap->props.fe[i].tuner_attach != NULL) |
266 | adap->props.fe[i].tuner_attach(adap); | |
267 | ||
268 | adap->num_frontends_initialized++; | |
9bd9e3bd | 269 | } |
776338e1 | 270 | |
776338e1 JS |
271 | return 0; |
272 | } | |
273 | ||
4d43e13f | 274 | int dvb_usb_adapter_frontend_exit(struct dvb_usb_adapter *adap) |
776338e1 | 275 | { |
77eed219 | 276 | int i = adap->num_frontends_initialized - 1; |
9bd9e3bd AP |
277 | |
278 | /* unregister all given adapter frontends */ | |
9bd9e3bd | 279 | for (; i >= 0; i--) { |
77eed219 MK |
280 | if (adap->fe_adap[i].fe != NULL) { |
281 | dvb_unregister_frontend(adap->fe_adap[i].fe); | |
282 | dvb_frontend_detach(adap->fe_adap[i].fe); | |
9bd9e3bd | 283 | } |
4e66c97c | 284 | } |
77eed219 | 285 | adap->num_frontends_initialized = 0; |
9bd9e3bd | 286 | |
776338e1 JS |
287 | return 0; |
288 | } |