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 | ||
4d43e13f | 20 | newfeedcount = adap->feedcount + (onoff ? 1 : -1); |
776338e1 | 21 | |
4d43e13f | 22 | /* stop feed before setting a new pid if there will be no pid anymore */ |
776338e1 JS |
23 | if (newfeedcount == 0) { |
24 | deb_ts("stop feeding\n"); | |
4d43e13f | 25 | usb_urb_kill(&adap->stream); |
776338e1 | 26 | |
c8b7ced3 MP |
27 | if (adap->props.streaming_ctrl != NULL) { |
28 | ret = adap->props.streaming_ctrl(adap, 0); | |
dca6b74b MP |
29 | if (ret < 0) { |
30 | err("error while stopping stream."); | |
c8b7ced3 | 31 | return ret; |
dca6b74b | 32 | } |
c8b7ced3 | 33 | } |
776338e1 JS |
34 | } |
35 | ||
4d43e13f | 36 | adap->feedcount = newfeedcount; |
776338e1 JS |
37 | |
38 | /* activate the pid on the device specific pid_filter */ | |
4d43e13f PB |
39 | deb_ts("setting pid (%s): %5d %04x at index %d '%s'\n",adap->pid_filtering ? |
40 | "yes" : "no", dvbdmxfeed->pid,dvbdmxfeed->pid,dvbdmxfeed->index,onoff ? | |
41 | "on" : "off"); | |
42 | if (adap->props.caps & DVB_USB_ADAP_HAS_PID_FILTER && | |
43 | adap->pid_filtering && | |
44 | adap->props.pid_filter != NULL) | |
45 | adap->props.pid_filter(adap, dvbdmxfeed->index, dvbdmxfeed->pid,onoff); | |
776338e1 JS |
46 | |
47 | /* start the feed if this was the first feed and there is still a feed | |
48 | * for reception. | |
49 | */ | |
4d43e13f | 50 | if (adap->feedcount == onoff && adap->feedcount > 0) { |
8126fdbc | 51 | deb_ts("submitting all URBs\n"); |
4d43e13f | 52 | usb_urb_submit(&adap->stream); |
776338e1 JS |
53 | |
54 | deb_ts("controlling pid parser\n"); | |
4d43e13f | 55 | if (adap->props.caps & DVB_USB_ADAP_HAS_PID_FILTER && |
c8b7ced3 MP |
56 | adap->props.caps & |
57 | DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF && | |
58 | adap->props.pid_filter_ctrl != NULL) { | |
59 | ret = adap->props.pid_filter_ctrl(adap, | |
60 | adap->pid_filtering); | |
61 | if (ret < 0) { | |
776338e1 | 62 | err("could not handle pid_parser"); |
c8b7ced3 MP |
63 | return ret; |
64 | } | |
65 | } | |
776338e1 | 66 | deb_ts("start feeding\n"); |
c8b7ced3 MP |
67 | if (adap->props.streaming_ctrl != NULL) { |
68 | ret = adap->props.streaming_ctrl(adap, 1); | |
69 | if (ret < 0) { | |
776338e1 | 70 | err("error while enabling fifo."); |
c8b7ced3 | 71 | return ret; |
776338e1 | 72 | } |
c8b7ced3 | 73 | } |
776338e1 | 74 | |
776338e1 JS |
75 | } |
76 | return 0; | |
77 | } | |
78 | ||
79 | static int dvb_usb_start_feed(struct dvb_demux_feed *dvbdmxfeed) | |
80 | { | |
81 | deb_ts("start pid: 0x%04x, feedtype: %d\n", dvbdmxfeed->pid,dvbdmxfeed->type); | |
82 | return dvb_usb_ctrl_feed(dvbdmxfeed,1); | |
83 | } | |
84 | ||
85 | static int dvb_usb_stop_feed(struct dvb_demux_feed *dvbdmxfeed) | |
86 | { | |
87 | deb_ts("stop pid: 0x%04x, feedtype: %d\n", dvbdmxfeed->pid, dvbdmxfeed->type); | |
88 | return dvb_usb_ctrl_feed(dvbdmxfeed,0); | |
89 | } | |
90 | ||
78e92006 | 91 | int dvb_usb_adapter_dvb_init(struct dvb_usb_adapter *adap, short *adapter_nums) |
776338e1 | 92 | { |
78e92006 JG |
93 | int ret = dvb_register_adapter(&adap->dvb_adap, adap->dev->desc->name, |
94 | adap->dev->owner, &adap->dev->udev->dev, | |
95 | adapter_nums); | |
776338e1 | 96 | |
78e92006 | 97 | if (ret < 0) { |
776338e1 JS |
98 | deb_info("dvb_register_adapter failed: error %d", ret); |
99 | goto err; | |
100 | } | |
4d43e13f | 101 | adap->dvb_adap.priv = adap; |
94d98314 | 102 | adap->dvb_adap.fe_ioctl_override = adap->props.fe_ioctl_override; |
4d43e13f PB |
103 | |
104 | if (adap->dev->props.read_mac_address) { | |
105 | if (adap->dev->props.read_mac_address(adap->dev,adap->dvb_adap.proposed_mac) == 0) | |
7c510e4b | 106 | info("MAC address: %pM",adap->dvb_adap.proposed_mac); |
776338e1 JS |
107 | else |
108 | err("MAC address reading failed."); | |
109 | } | |
110 | ||
111 | ||
4d43e13f PB |
112 | adap->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING; |
113 | adap->demux.priv = adap; | |
776338e1 | 114 | |
4d43e13f PB |
115 | adap->demux.feednum = adap->demux.filternum = adap->max_feed_count; |
116 | adap->demux.start_feed = dvb_usb_start_feed; | |
117 | adap->demux.stop_feed = dvb_usb_stop_feed; | |
118 | adap->demux.write_to_decoder = NULL; | |
119 | if ((ret = dvb_dmx_init(&adap->demux)) < 0) { | |
776338e1 JS |
120 | err("dvb_dmx_init failed: error %d",ret); |
121 | goto err_dmx; | |
122 | } | |
123 | ||
4d43e13f PB |
124 | adap->dmxdev.filternum = adap->demux.filternum; |
125 | adap->dmxdev.demux = &adap->demux.dmx; | |
126 | adap->dmxdev.capabilities = 0; | |
127 | if ((ret = dvb_dmxdev_init(&adap->dmxdev, &adap->dvb_adap)) < 0) { | |
776338e1 JS |
128 | err("dvb_dmxdev_init failed: error %d",ret); |
129 | goto err_dmx_dev; | |
130 | } | |
131 | ||
4d43e13f | 132 | dvb_net_init(&adap->dvb_adap, &adap->dvb_net, &adap->demux.dmx); |
776338e1 | 133 | |
4d43e13f | 134 | adap->state |= DVB_USB_ADAP_STATE_DVB; |
8397703e TP |
135 | return 0; |
136 | ||
776338e1 | 137 | err_dmx_dev: |
4d43e13f | 138 | dvb_dmx_release(&adap->demux); |
776338e1 | 139 | err_dmx: |
4d43e13f | 140 | dvb_unregister_adapter(&adap->dvb_adap); |
776338e1 JS |
141 | err: |
142 | return ret; | |
776338e1 JS |
143 | } |
144 | ||
4d43e13f | 145 | int dvb_usb_adapter_dvb_exit(struct dvb_usb_adapter *adap) |
776338e1 | 146 | { |
4d43e13f | 147 | if (adap->state & DVB_USB_ADAP_STATE_DVB) { |
776338e1 | 148 | deb_info("unregistering DVB part\n"); |
4d43e13f PB |
149 | dvb_net_release(&adap->dvb_net); |
150 | adap->demux.dmx.close(&adap->demux.dmx); | |
151 | dvb_dmxdev_release(&adap->dmxdev); | |
152 | dvb_dmx_release(&adap->demux); | |
153 | dvb_unregister_adapter(&adap->dvb_adap); | |
154 | adap->state &= ~DVB_USB_ADAP_STATE_DVB; | |
776338e1 JS |
155 | } |
156 | return 0; | |
157 | } | |
158 | ||
159 | static int dvb_usb_fe_wakeup(struct dvb_frontend *fe) | |
160 | { | |
4d43e13f | 161 | struct dvb_usb_adapter *adap = fe->dvb->priv; |
776338e1 | 162 | |
4d43e13f | 163 | dvb_usb_device_power_ctrl(adap->dev, 1); |
776338e1 | 164 | |
4d43e13f PB |
165 | if (adap->fe_init) |
166 | adap->fe_init(fe); | |
776338e1 JS |
167 | |
168 | return 0; | |
169 | } | |
170 | ||
171 | static int dvb_usb_fe_sleep(struct dvb_frontend *fe) | |
172 | { | |
4d43e13f | 173 | struct dvb_usb_adapter *adap = fe->dvb->priv; |
776338e1 | 174 | |
4d43e13f PB |
175 | if (adap->fe_sleep) |
176 | adap->fe_sleep(fe); | |
776338e1 | 177 | |
4d43e13f | 178 | return dvb_usb_device_power_ctrl(adap->dev, 0); |
776338e1 JS |
179 | } |
180 | ||
4d43e13f | 181 | int dvb_usb_adapter_frontend_init(struct dvb_usb_adapter *adap) |
776338e1 | 182 | { |
4d43e13f PB |
183 | if (adap->props.frontend_attach == NULL) { |
184 | err("strange: '%s' #%d doesn't want to attach a frontend.",adap->dev->desc->name, adap->id); | |
776338e1 JS |
185 | return 0; |
186 | } | |
187 | ||
776338e1 | 188 | /* re-assign sleep and wakeup functions */ |
4d43e13f PB |
189 | if (adap->props.frontend_attach(adap) == 0 && adap->fe != NULL) { |
190 | adap->fe_init = adap->fe->ops.init; adap->fe->ops.init = dvb_usb_fe_wakeup; | |
191 | adap->fe_sleep = adap->fe->ops.sleep; adap->fe->ops.sleep = dvb_usb_fe_sleep; | |
776338e1 | 192 | |
4d43e13f | 193 | if (dvb_register_frontend(&adap->dvb_adap, adap->fe)) { |
776338e1 | 194 | err("Frontend registration failed."); |
4d43e13f PB |
195 | dvb_frontend_detach(adap->fe); |
196 | adap->fe = NULL; | |
776338e1 JS |
197 | return -ENODEV; |
198 | } | |
5a19f312 PB |
199 | |
200 | /* only attach the tuner if the demod is there */ | |
4d43e13f PB |
201 | if (adap->props.tuner_attach != NULL) |
202 | adap->props.tuner_attach(adap); | |
776338e1 | 203 | } else |
4d43e13f | 204 | err("no frontend was attached by '%s'",adap->dev->desc->name); |
776338e1 | 205 | |
776338e1 JS |
206 | return 0; |
207 | } | |
208 | ||
4d43e13f | 209 | int dvb_usb_adapter_frontend_exit(struct dvb_usb_adapter *adap) |
776338e1 | 210 | { |
4d43e13f PB |
211 | if (adap->fe != NULL) { |
212 | dvb_unregister_frontend(adap->fe); | |
213 | dvb_frontend_detach(adap->fe); | |
4e66c97c | 214 | } |
776338e1 JS |
215 | return 0; |
216 | } |