1 files changed, 276 insertions, 0 deletions

diff --git a/drivers/media/dvb/firewire/firedtv-dvb.c b/drivers/media/dvb/firewire/firedtv-dvb.c
new file mode 100644
index 000000000000..1823058696f2
--- /dev/null
+++ b/drivers/media/dvb/firewire/firedtv-dvb.c
@@ -0,0 +1,276 @@
+/*
+ * FireDTV driver (formerly known as FireSAT)
+ *
+ * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com>
+ * Copyright (C) 2008 Henrik Kurelid <henrik@kurelid.se>
+ *
+ *      This program is free software; you can redistribute it and/or
+ *      modify it under the terms of the GNU General Public License as
+ *      published by the Free Software Foundation; either version 2 of
+ *      the License, or (at your option) any later version.
+ */
+
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/mutex.h>
+#include <linux/types.h>
+
+#include <dvb_demux.h>
+#include <dvb_frontend.h>
+#include <dvbdev.h>
+
+#include "avc.h"
+#include "firedtv.h"
+#include "firedtv-ci.h"
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+static struct firedtv_channel *fdtv_channel_allocate(struct firedtv *fdtv)
+{
+        struct firedtv_channel *c = NULL;
+        int k;
+
+        if (mutex_lock_interruptible(&fdtv->demux_mutex))
+                return NULL;
+
+        for (k = 0; k < 16; k++)
+                if (!fdtv->channel[k].active) {
+                        fdtv->channel[k].active = true;
+                        c = &fdtv->channel[k];
+                        break;
+                }
+
+        mutex_unlock(&fdtv->demux_mutex);
+        return c;
+}
+
+static int fdtv_channel_collect(struct firedtv *fdtv, int *pidc, u16 pid[])
+{
+        int k, l = 0;
+
+        if (mutex_lock_interruptible(&fdtv->demux_mutex))
+                return -EINTR;
+
+        for (k = 0; k < 16; k++)
+                if (fdtv->channel[k].active)
+                        pid[l++] = fdtv->channel[k].pid;
+
+        mutex_unlock(&fdtv->demux_mutex);
+
+        *pidc = l;
+
+        return 0;
+}
+
+static int fdtv_channel_release(struct firedtv *fdtv,
+                                   struct firedtv_channel *channel)
+{
+        if (mutex_lock_interruptible(&fdtv->demux_mutex))
+                return -EINTR;
+
+        channel->active = false;
+
+        mutex_unlock(&fdtv->demux_mutex);
+        return 0;
+}
+
+int fdtv_start_feed(struct dvb_demux_feed *dvbdmxfeed)
+{
+        struct firedtv *fdtv = (struct firedtv*)dvbdmxfeed->demux->priv;
+        struct firedtv_channel *channel;
+        int pidc,k;
+        u16 pids[16];
+
+        switch (dvbdmxfeed->type) {
+        case DMX_TYPE_TS:
+        case DMX_TYPE_SEC:
+                break;
+        default:
+                printk(KERN_ERR "%s: invalid type %u\n",
+                       __func__, dvbdmxfeed->type);
+                return -EINVAL;
+        }
+
+        if (dvbdmxfeed->type == DMX_TYPE_TS) {
+                switch (dvbdmxfeed->pes_type) {
+                case DMX_TS_PES_VIDEO:
+                case DMX_TS_PES_AUDIO:
+                case DMX_TS_PES_TELETEXT:
+                case DMX_TS_PES_PCR:
+                case DMX_TS_PES_OTHER:
+                        //Dirty fix to keep fdtv->channel pid-list up to date
+                        for(k=0;k<16;k++){
+                                if (!fdtv->channel[k].active)
+                                        fdtv->channel[k].pid =
+                                                dvbdmxfeed->pid;
+                                        break;
+                        }
+                        channel = fdtv_channel_allocate(fdtv);
+                        break;
+                default:
+                        printk(KERN_ERR "%s: invalid pes type %u\n",
+                               __func__, dvbdmxfeed->pes_type);
+                        return -EINVAL;
+                }
+        } else {
+                channel = fdtv_channel_allocate(fdtv);
+        }
+
+        if (!channel) {
+                printk(KERN_ERR "%s: busy!\n", __func__);
+                return -EBUSY;
+        }
+
+        dvbdmxfeed->priv = channel;
+        channel->pid = dvbdmxfeed->pid;
+
+        if (fdtv_channel_collect(fdtv, &pidc, pids)) {
+                fdtv_channel_release(fdtv, channel);
+                printk(KERN_ERR "%s: could not collect pids!\n", __func__);
+                return -EINTR;
+        }
+
+        if (dvbdmxfeed->pid == 8192) {
+                k = avc_tuner_get_ts(fdtv);
+                if (k) {
+                        fdtv_channel_release(fdtv, channel);
+                        printk("%s: AVCTuner_GetTS failed with error %d\n",
+                               __func__, k);
+                        return k;
+                }
+        } else {
+                k = avc_tuner_set_pids(fdtv, pidc, pids);
+                if (k) {
+                        fdtv_channel_release(fdtv, channel);
+                        printk("%s: AVCTuner_SetPIDs failed with error %d\n",
+                               __func__, k);
+                        return k;
+                }
+        }
+
+        return 0;
+}
+
+int fdtv_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
+{
+        struct dvb_demux *demux = dvbdmxfeed->demux;
+        struct firedtv *fdtv = (struct firedtv*)demux->priv;
+        struct firedtv_channel *c = dvbdmxfeed->priv;
+        int k, l;
+        u16 pids[16];
+
+        if (dvbdmxfeed->type == DMX_TYPE_TS && !((dvbdmxfeed->ts_type & TS_PACKET) &&
+                                (demux->dmx.frontend->source != DMX_MEMORY_FE))) {
+
+                if (dvbdmxfeed->ts_type & TS_DECODER) {
+
+                        if (dvbdmxfeed->pes_type >= DMX_TS_PES_OTHER ||
+                                !demux->pesfilter[dvbdmxfeed->pes_type])
+
+                                return -EINVAL;
+
+                        demux->pids[dvbdmxfeed->pes_type] |= 0x8000;
+                        demux->pesfilter[dvbdmxfeed->pes_type] = NULL;
+                }
+
+                if (!(dvbdmxfeed->ts_type & TS_DECODER &&
+                        dvbdmxfeed->pes_type < DMX_TS_PES_OTHER))
+
+                        return 0;
+        }
+
+        if (mutex_lock_interruptible(&fdtv->demux_mutex))
+                return -EINTR;
+
+        /* list except channel to be removed */
+        for (k = 0, l = 0; k < 16; k++)
+                if (fdtv->channel[k].active) {
+                        if (&fdtv->channel[k] != c)
+                                pids[l++] = fdtv->channel[k].pid;
+                        else
+                                fdtv->channel[k].active = false;
+                }
+
+        k = avc_tuner_set_pids(fdtv, l, pids);
+        if (!k)
+                c->active = false;
+
+        mutex_unlock(&fdtv->demux_mutex);
+        return k;
+}
+
+int fdtv_dvbdev_init(struct firedtv *fdtv, struct device *dev)
+{
+        int err;
+
+        err = DVB_REGISTER_ADAPTER(&fdtv->adapter,
+                                   fdtv_model_names[fdtv->type],
+                                   THIS_MODULE, dev, adapter_nr);
+        if (err < 0)
+                goto fail_log;
+
+        /*DMX_TS_FILTERING | DMX_SECTION_FILTERING*/
+        fdtv->demux.dmx.capabilities = 0;
+
+        fdtv->demux.priv        = fdtv;
+        fdtv->demux.filternum   = 16;
+        fdtv->demux.feednum     = 16;
+        fdtv->demux.start_feed  = fdtv_start_feed;
+        fdtv->demux.stop_feed   = fdtv_stop_feed;
+        fdtv->demux.write_to_decoder = NULL;
+
+        err = dvb_dmx_init(&fdtv->demux);
+        if (err)
+                goto fail_unreg_adapter;
+
+        fdtv->dmxdev.filternum  = 16;
+        fdtv->dmxdev.demux              = &fdtv->demux.dmx;
+        fdtv->dmxdev.capabilities       = 0;
+
+        err = dvb_dmxdev_init(&fdtv->dmxdev, &fdtv->adapter);
+        if (err)
+                goto fail_dmx_release;
+
+        fdtv->frontend.source = DMX_FRONTEND_0;
+
+        err = fdtv->demux.dmx.add_frontend(&fdtv->demux.dmx,
+                                              &fdtv->frontend);
+        if (err)
+                goto fail_dmxdev_release;
+
+        err = fdtv->demux.dmx.connect_frontend(&fdtv->demux.dmx,
+                                                  &fdtv->frontend);
+        if (err)
+                goto fail_rem_frontend;
+
+        dvb_net_init(&fdtv->adapter, &fdtv->dvbnet, &fdtv->demux.dmx);
+
+        fdtv_frontend_init(fdtv);
+        err = dvb_register_frontend(&fdtv->adapter, &fdtv->fe);
+        if (err)
+                goto fail_net_release;
+
+        err = fdtv_ca_register(fdtv);
+        if (err)
+                dev_info(dev, "Conditional Access Module not enabled\n");
+
+        return 0;
+
+fail_net_release:
+        dvb_net_release(&fdtv->dvbnet);
+        fdtv->demux.dmx.close(&fdtv->demux.dmx);
+fail_rem_frontend:
+        fdtv->demux.dmx.remove_frontend(&fdtv->demux.dmx,
+                                           &fdtv->frontend);
+fail_dmxdev_release:
+        dvb_dmxdev_release(&fdtv->dmxdev);
+fail_dmx_release:
+        dvb_dmx_release(&fdtv->demux);
+fail_unreg_adapter:
+        dvb_unregister_adapter(&fdtv->adapter);
+fail_log:
+        dev_err(dev, "DVB initialization failed\n");
+        return err;
+}
+
+