365 lines
8.8 KiB
C
365 lines
8.8 KiB
C
/*
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* FireDTV driver (formerly known as FireSAT)
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*
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* Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com>
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* Copyright (C) 2008 Henrik Kurelid <henrik@kurelid.se>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*/
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#include <linux/bitops.h>
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#include <linux/device.h>
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#include <linux/errno.h>
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#include <linux/kernel.h>
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#include <linux/mod_devicetable.h>
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#include <linux/module.h>
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#include <linux/mutex.h>
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#include <linux/slab.h>
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#include <linux/string.h>
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#include <linux/types.h>
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#include <linux/wait.h>
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#include <linux/workqueue.h>
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#include <dmxdev.h>
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#include <dvb_demux.h>
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#include <dvbdev.h>
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#include <dvb_frontend.h>
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#include "firedtv.h"
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static int alloc_channel(struct firedtv *fdtv)
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{
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int i;
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for (i = 0; i < 16; i++)
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if (!__test_and_set_bit(i, &fdtv->channel_active))
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break;
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return i;
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}
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static void collect_channels(struct firedtv *fdtv, int *pidc, u16 pid[])
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{
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int i, n;
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for (i = 0, n = 0; i < 16; i++)
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if (test_bit(i, &fdtv->channel_active))
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pid[n++] = fdtv->channel_pid[i];
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*pidc = n;
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}
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static inline void dealloc_channel(struct firedtv *fdtv, int i)
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{
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__clear_bit(i, &fdtv->channel_active);
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}
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int fdtv_start_feed(struct dvb_demux_feed *dvbdmxfeed)
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{
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struct firedtv *fdtv = dvbdmxfeed->demux->priv;
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int pidc, c, ret;
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u16 pids[16];
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switch (dvbdmxfeed->type) {
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case DMX_TYPE_TS:
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case DMX_TYPE_SEC:
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break;
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default:
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dev_err(fdtv->device, "can't start dmx feed: invalid type %u\n",
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dvbdmxfeed->type);
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return -EINVAL;
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}
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if (mutex_lock_interruptible(&fdtv->demux_mutex))
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return -EINTR;
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if (dvbdmxfeed->type == DMX_TYPE_TS) {
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switch (dvbdmxfeed->pes_type) {
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case DMX_TS_PES_VIDEO:
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case DMX_TS_PES_AUDIO:
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case DMX_TS_PES_TELETEXT:
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case DMX_TS_PES_PCR:
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case DMX_TS_PES_OTHER:
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c = alloc_channel(fdtv);
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break;
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default:
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dev_err(fdtv->device,
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"can't start dmx feed: invalid pes type %u\n",
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dvbdmxfeed->pes_type);
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ret = -EINVAL;
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goto out;
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}
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} else {
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c = alloc_channel(fdtv);
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}
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if (c > 15) {
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dev_err(fdtv->device, "can't start dmx feed: busy\n");
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ret = -EBUSY;
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goto out;
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}
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dvbdmxfeed->priv = (typeof(dvbdmxfeed->priv))(unsigned long)c;
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fdtv->channel_pid[c] = dvbdmxfeed->pid;
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collect_channels(fdtv, &pidc, pids);
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if (dvbdmxfeed->pid == 8192) {
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ret = avc_tuner_get_ts(fdtv);
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if (ret) {
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dealloc_channel(fdtv, c);
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dev_err(fdtv->device, "can't get TS\n");
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goto out;
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}
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} else {
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ret = avc_tuner_set_pids(fdtv, pidc, pids);
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if (ret) {
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dealloc_channel(fdtv, c);
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dev_err(fdtv->device, "can't set PIDs\n");
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goto out;
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}
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}
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out:
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mutex_unlock(&fdtv->demux_mutex);
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return ret;
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}
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int fdtv_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
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{
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struct dvb_demux *demux = dvbdmxfeed->demux;
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struct firedtv *fdtv = demux->priv;
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int pidc, c, ret;
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u16 pids[16];
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if (dvbdmxfeed->type == DMX_TYPE_TS &&
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!((dvbdmxfeed->ts_type & TS_PACKET) &&
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(demux->dmx.frontend->source != DMX_MEMORY_FE))) {
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if (dvbdmxfeed->ts_type & TS_DECODER) {
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if (dvbdmxfeed->pes_type >= DMX_TS_PES_OTHER ||
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!demux->pesfilter[dvbdmxfeed->pes_type])
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return -EINVAL;
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demux->pids[dvbdmxfeed->pes_type] |= 0x8000;
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demux->pesfilter[dvbdmxfeed->pes_type] = NULL;
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}
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if (!(dvbdmxfeed->ts_type & TS_DECODER &&
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dvbdmxfeed->pes_type < DMX_TS_PES_OTHER))
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return 0;
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}
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if (mutex_lock_interruptible(&fdtv->demux_mutex))
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return -EINTR;
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c = (unsigned long)dvbdmxfeed->priv;
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dealloc_channel(fdtv, c);
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collect_channels(fdtv, &pidc, pids);
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ret = avc_tuner_set_pids(fdtv, pidc, pids);
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mutex_unlock(&fdtv->demux_mutex);
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return ret;
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}
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DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
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int fdtv_dvb_register(struct firedtv *fdtv)
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{
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int err;
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err = dvb_register_adapter(&fdtv->adapter, fdtv_model_names[fdtv->type],
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THIS_MODULE, fdtv->device, adapter_nr);
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if (err < 0)
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goto fail_log;
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/*DMX_TS_FILTERING | DMX_SECTION_FILTERING*/
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fdtv->demux.dmx.capabilities = 0;
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fdtv->demux.priv = fdtv;
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fdtv->demux.filternum = 16;
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fdtv->demux.feednum = 16;
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fdtv->demux.start_feed = fdtv_start_feed;
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fdtv->demux.stop_feed = fdtv_stop_feed;
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fdtv->demux.write_to_decoder = NULL;
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err = dvb_dmx_init(&fdtv->demux);
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if (err)
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goto fail_unreg_adapter;
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fdtv->dmxdev.filternum = 16;
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fdtv->dmxdev.demux = &fdtv->demux.dmx;
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fdtv->dmxdev.capabilities = 0;
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err = dvb_dmxdev_init(&fdtv->dmxdev, &fdtv->adapter);
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if (err)
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goto fail_dmx_release;
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fdtv->frontend.source = DMX_FRONTEND_0;
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err = fdtv->demux.dmx.add_frontend(&fdtv->demux.dmx, &fdtv->frontend);
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if (err)
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goto fail_dmxdev_release;
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err = fdtv->demux.dmx.connect_frontend(&fdtv->demux.dmx,
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&fdtv->frontend);
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if (err)
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goto fail_rem_frontend;
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dvb_net_init(&fdtv->adapter, &fdtv->dvbnet, &fdtv->demux.dmx);
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fdtv_frontend_init(fdtv);
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err = dvb_register_frontend(&fdtv->adapter, &fdtv->fe);
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if (err)
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goto fail_net_release;
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err = fdtv_ca_register(fdtv);
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if (err)
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dev_info(fdtv->device,
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"Conditional Access Module not enabled\n");
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return 0;
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fail_net_release:
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dvb_net_release(&fdtv->dvbnet);
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fdtv->demux.dmx.close(&fdtv->demux.dmx);
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fail_rem_frontend:
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fdtv->demux.dmx.remove_frontend(&fdtv->demux.dmx, &fdtv->frontend);
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fail_dmxdev_release:
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dvb_dmxdev_release(&fdtv->dmxdev);
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fail_dmx_release:
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dvb_dmx_release(&fdtv->demux);
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fail_unreg_adapter:
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dvb_unregister_adapter(&fdtv->adapter);
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fail_log:
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dev_err(fdtv->device, "DVB initialization failed\n");
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return err;
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}
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void fdtv_dvb_unregister(struct firedtv *fdtv)
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{
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fdtv_ca_release(fdtv);
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dvb_unregister_frontend(&fdtv->fe);
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dvb_net_release(&fdtv->dvbnet);
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fdtv->demux.dmx.close(&fdtv->demux.dmx);
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fdtv->demux.dmx.remove_frontend(&fdtv->demux.dmx, &fdtv->frontend);
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dvb_dmxdev_release(&fdtv->dmxdev);
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dvb_dmx_release(&fdtv->demux);
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dvb_unregister_adapter(&fdtv->adapter);
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}
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const char *fdtv_model_names[] = {
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[FIREDTV_UNKNOWN] = "unknown type",
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[FIREDTV_DVB_S] = "FireDTV S/CI",
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[FIREDTV_DVB_C] = "FireDTV C/CI",
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[FIREDTV_DVB_T] = "FireDTV T/CI",
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[FIREDTV_DVB_S2] = "FireDTV S2 ",
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};
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struct firedtv *fdtv_alloc(struct device *dev,
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const struct firedtv_backend *backend,
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const char *name, size_t name_len)
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{
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struct firedtv *fdtv;
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int i;
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fdtv = kzalloc(sizeof(*fdtv), GFP_KERNEL);
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if (!fdtv)
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return NULL;
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dev_set_drvdata(dev, fdtv);
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fdtv->device = dev;
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fdtv->isochannel = -1;
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fdtv->voltage = 0xff;
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fdtv->tone = 0xff;
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fdtv->backend = backend;
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mutex_init(&fdtv->avc_mutex);
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init_waitqueue_head(&fdtv->avc_wait);
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fdtv->avc_reply_received = true;
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mutex_init(&fdtv->demux_mutex);
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INIT_WORK(&fdtv->remote_ctrl_work, avc_remote_ctrl_work);
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for (i = ARRAY_SIZE(fdtv_model_names); --i; )
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if (strlen(fdtv_model_names[i]) <= name_len &&
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strncmp(name, fdtv_model_names[i], name_len) == 0)
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break;
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fdtv->type = i;
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return fdtv;
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}
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#define MATCH_FLAGS (IEEE1394_MATCH_VENDOR_ID | IEEE1394_MATCH_MODEL_ID | \
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IEEE1394_MATCH_SPECIFIER_ID | IEEE1394_MATCH_VERSION)
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#define DIGITAL_EVERYWHERE_OUI 0x001287
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#define AVC_UNIT_SPEC_ID_ENTRY 0x00a02d
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#define AVC_SW_VERSION_ENTRY 0x010001
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static struct ieee1394_device_id fdtv_id_table[] = {
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{
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/* FloppyDTV S/CI and FloppyDTV S2 */
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.match_flags = MATCH_FLAGS,
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.vendor_id = DIGITAL_EVERYWHERE_OUI,
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.model_id = 0x000024,
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.specifier_id = AVC_UNIT_SPEC_ID_ENTRY,
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.version = AVC_SW_VERSION_ENTRY,
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}, {
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/* FloppyDTV T/CI */
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.match_flags = MATCH_FLAGS,
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.vendor_id = DIGITAL_EVERYWHERE_OUI,
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.model_id = 0x000025,
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.specifier_id = AVC_UNIT_SPEC_ID_ENTRY,
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.version = AVC_SW_VERSION_ENTRY,
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}, {
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/* FloppyDTV C/CI */
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.match_flags = MATCH_FLAGS,
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.vendor_id = DIGITAL_EVERYWHERE_OUI,
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.model_id = 0x000026,
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.specifier_id = AVC_UNIT_SPEC_ID_ENTRY,
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.version = AVC_SW_VERSION_ENTRY,
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}, {
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/* FireDTV S/CI and FloppyDTV S2 */
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.match_flags = MATCH_FLAGS,
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.vendor_id = DIGITAL_EVERYWHERE_OUI,
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.model_id = 0x000034,
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.specifier_id = AVC_UNIT_SPEC_ID_ENTRY,
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.version = AVC_SW_VERSION_ENTRY,
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}, {
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/* FireDTV T/CI */
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.match_flags = MATCH_FLAGS,
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.vendor_id = DIGITAL_EVERYWHERE_OUI,
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.model_id = 0x000035,
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.specifier_id = AVC_UNIT_SPEC_ID_ENTRY,
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.version = AVC_SW_VERSION_ENTRY,
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}, {
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/* FireDTV C/CI */
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.match_flags = MATCH_FLAGS,
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.vendor_id = DIGITAL_EVERYWHERE_OUI,
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.model_id = 0x000036,
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.specifier_id = AVC_UNIT_SPEC_ID_ENTRY,
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.version = AVC_SW_VERSION_ENTRY,
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}, {}
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};
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MODULE_DEVICE_TABLE(ieee1394, fdtv_id_table);
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static int __init fdtv_init(void)
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{
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return fdtv_1394_init(fdtv_id_table);
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}
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static void __exit fdtv_exit(void)
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{
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fdtv_1394_exit();
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}
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module_init(fdtv_init);
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module_exit(fdtv_exit);
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MODULE_AUTHOR("Andreas Monitzer <andy@monitzer.com>");
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MODULE_AUTHOR("Ben Backx <ben@bbackx.com>");
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MODULE_DESCRIPTION("FireDTV DVB Driver");
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MODULE_LICENSE("GPL");
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MODULE_SUPPORTED_DEVICE("FireDTV DVB");
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