351 lines
8.4 KiB
C
351 lines
8.4 KiB
C
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/wait.h>
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#include <linux/module.h>
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#include <linux/delay.h>
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#include <linux/time.h>
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#include <linux/errno.h>
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#include <linux/interrupt.h>
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#include <linux/semaphore.h>
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#include <ieee1394_hotplug.h>
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#include <nodemgr.h>
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#include <highlevel.h>
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#include <ohci1394.h>
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#include <hosts.h>
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#include <dvbdev.h>
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#include "firesat.h"
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#include "avc_api.h"
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#include "cmp.h"
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#include "firesat-rc.h"
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#include "firesat-ci.h"
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DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
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static struct firesat_channel *firesat_channel_allocate(struct firesat *firesat)
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{
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int k;
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printk(KERN_INFO "%s\n", __func__);
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if (down_interruptible(&firesat->demux_sem))
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return NULL;
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for (k = 0; k < 16; k++) {
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printk(KERN_INFO "%s: channel %d: active = %d, pid = 0x%x\n",__func__,k,firesat->channel[k].active,firesat->channel[k].pid);
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if (firesat->channel[k].active == 0) {
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firesat->channel[k].active = 1;
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up(&firesat->demux_sem);
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return &firesat->channel[k];
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}
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}
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up(&firesat->demux_sem);
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return NULL; // no more channels available
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}
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static int firesat_channel_collect(struct firesat *firesat, int *pidc, u16 pid[])
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{
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int k, l = 0;
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if (down_interruptible(&firesat->demux_sem))
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return -EINTR;
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for (k = 0; k < 16; k++)
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if (firesat->channel[k].active == 1)
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pid[l++] = firesat->channel[k].pid;
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up(&firesat->demux_sem);
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*pidc = l;
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return 0;
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}
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static int firesat_channel_release(struct firesat *firesat,
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struct firesat_channel *channel)
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{
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if (down_interruptible(&firesat->demux_sem))
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return -EINTR;
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channel->active = 0;
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up(&firesat->demux_sem);
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return 0;
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}
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int firesat_start_feed(struct dvb_demux_feed *dvbdmxfeed)
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{
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struct firesat *firesat = (struct firesat*)dvbdmxfeed->demux->priv;
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struct firesat_channel *channel;
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int pidc,k;
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u16 pids[16];
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printk(KERN_INFO "%s (pid %u)\n",__func__,dvbdmxfeed->pid);
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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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printk("%s: invalid type %u\n",__func__,dvbdmxfeed->type);
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return -EINVAL;
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}
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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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//Dirty fix to keep firesat->channel pid-list up to date
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for(k=0;k<16;k++){
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if(firesat->channel[k].active == 0)
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firesat->channel[k].pid =
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dvbdmxfeed->pid;
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break;
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}
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channel = firesat_channel_allocate(firesat);
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break;
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default:
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printk("%s: invalid pes type %u\n",__func__, dvbdmxfeed->pes_type);
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return -EINVAL;
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}
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} else {
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channel = firesat_channel_allocate(firesat);
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}
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if (!channel) {
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printk("%s: busy!\n", __func__);
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return -EBUSY;
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}
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dvbdmxfeed->priv = channel;
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channel->dvbdmxfeed = dvbdmxfeed;
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channel->pid = dvbdmxfeed->pid;
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channel->type = dvbdmxfeed->type;
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channel->firesat = firesat;
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if (firesat_channel_collect(firesat, &pidc, pids)) {
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firesat_channel_release(firesat, channel);
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return -EINTR;
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}
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if(dvbdmxfeed->pid == 8192) {
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if((k=AVCTuner_GetTS(firesat))) {
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firesat_channel_release(firesat, channel);
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printk("%s: AVCTuner_GetTS failed with error %d\n",
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__func__,k);
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return k;
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}
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}
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else {
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if((k=AVCTuner_SetPIDs(firesat, pidc, pids))) {
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firesat_channel_release(firesat, channel);
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printk("%s: AVCTuner_SetPIDs failed with error %d\n",
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__func__,k);
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return k;
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}
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}
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return 0;
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}
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int firesat_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 firesat *firesat = (struct firesat*)demux->priv;
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int k, l = 0;
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u16 pids[16];
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printk(KERN_INFO "%s (pid %u)\n", __func__, dvbdmxfeed->pid);
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if (dvbdmxfeed->type == DMX_TYPE_TS && !((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] = 0;
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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 (down_interruptible(&firesat->demux_sem))
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return -EINTR;
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// list except channel to be removed
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for (k = 0; k < 16; k++)
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if (firesat->channel[k].active == 1)
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if (&firesat->channel[k] !=
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(struct firesat_channel *)dvbdmxfeed->priv)
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pids[l++] = firesat->channel[k].pid;
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else
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firesat->channel[k].active = 0;
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if ((k = AVCTuner_SetPIDs(firesat, l, pids))) {
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up(&firesat->demux_sem);
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return k;
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}
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((struct firesat_channel *)dvbdmxfeed->priv)->active = 0;
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up(&firesat->demux_sem);
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return 0;
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}
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int firesat_dvbdev_init(struct firesat *firesat,
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struct device *dev,
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struct dvb_frontend *fe)
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{
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int result;
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firesat->has_ci = 1; // TEMP workaround
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#if 0
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switch (firesat->type) {
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case FireSAT_DVB_S:
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firesat->model_name = "FireSAT DVB-S";
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firesat->frontend_info = &firesat_S_frontend_info;
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break;
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case FireSAT_DVB_C:
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firesat->model_name = "FireSAT DVB-C";
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firesat->frontend_info = &firesat_C_frontend_info;
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break;
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case FireSAT_DVB_T:
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firesat->model_name = "FireSAT DVB-T";
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firesat->frontend_info = &firesat_T_frontend_info;
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break;
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default:
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printk("%s: unknown model type 0x%x on subunit %d!\n",
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__func__, firesat->type,subunit);
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firesat->model_name = "Unknown";
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firesat->frontend_info = NULL;
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}
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#endif
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/* // ------- CRAP -----------
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if (!firesat->frontend_info) {
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spin_lock_irqsave(&firesat_list_lock, flags);
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list_del(&firesat->list);
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spin_unlock_irqrestore(&firesat_list_lock, flags);
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kfree(firesat);
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continue;
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}
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*/
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//initialising firesat->adapter before calling dvb_register_adapter
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if (!(firesat->adapter = kmalloc(sizeof (struct dvb_adapter), GFP_KERNEL))) {
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printk("%s: couldn't allocate memory.\n", __func__);
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kfree(firesat->adapter);
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kfree(firesat);
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return -ENOMEM;
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}
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if ((result = dvb_register_adapter(firesat->adapter,
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firesat->model_name,
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THIS_MODULE,
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dev, adapter_nr)) < 0) {
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printk("%s: dvb_register_adapter failed: error %d\n", __func__, result);
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#if 0
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/* ### cleanup */
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spin_lock_irqsave(&firesat_list_lock, flags);
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list_del(&firesat->list);
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spin_unlock_irqrestore(&firesat_list_lock, flags);
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#endif
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kfree(firesat);
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return result;
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}
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firesat->demux.dmx.capabilities = 0/*DMX_TS_FILTERING | DMX_SECTION_FILTERING*/;
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firesat->demux.priv = (void *)firesat;
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firesat->demux.filternum = 16;
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firesat->demux.feednum = 16;
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firesat->demux.start_feed = firesat_start_feed;
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firesat->demux.stop_feed = firesat_stop_feed;
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firesat->demux.write_to_decoder = NULL;
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if ((result = dvb_dmx_init(&firesat->demux)) < 0) {
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printk("%s: dvb_dmx_init failed: error %d\n", __func__,
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result);
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dvb_unregister_adapter(firesat->adapter);
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return result;
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}
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firesat->dmxdev.filternum = 16;
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firesat->dmxdev.demux = &firesat->demux.dmx;
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firesat->dmxdev.capabilities = 0;
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if ((result = dvb_dmxdev_init(&firesat->dmxdev, firesat->adapter)) < 0) {
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printk("%s: dvb_dmxdev_init failed: error %d\n",
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__func__, result);
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dvb_dmx_release(&firesat->demux);
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dvb_unregister_adapter(firesat->adapter);
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return result;
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}
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firesat->frontend.source = DMX_FRONTEND_0;
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if ((result = firesat->demux.dmx.add_frontend(&firesat->demux.dmx,
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&firesat->frontend)) < 0) {
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printk("%s: dvb_dmx_init failed: error %d\n", __func__,
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result);
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dvb_dmxdev_release(&firesat->dmxdev);
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dvb_dmx_release(&firesat->demux);
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dvb_unregister_adapter(firesat->adapter);
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return result;
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}
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if ((result = firesat->demux.dmx.connect_frontend(&firesat->demux.dmx,
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&firesat->frontend)) < 0) {
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printk("%s: dvb_dmx_init failed: error %d\n", __func__,
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result);
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firesat->demux.dmx.remove_frontend(&firesat->demux.dmx, &firesat->frontend);
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dvb_dmxdev_release(&firesat->dmxdev);
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dvb_dmx_release(&firesat->demux);
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dvb_unregister_adapter(firesat->adapter);
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return result;
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}
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dvb_net_init(firesat->adapter, &firesat->dvbnet, &firesat->demux.dmx);
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// fe->ops = firesat_ops;
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// fe->dvb = firesat->adapter;
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firesat_frontend_attach(firesat, fe);
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fe->sec_priv = firesat; //IMPORTANT, functions depend on this!!!
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if ((result= dvb_register_frontend(firesat->adapter, fe)) < 0) {
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printk("%s: dvb_register_frontend_new failed: error %d\n", __func__, result);
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/* ### cleanup */
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return result;
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}
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if (firesat->has_ci)
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firesat_ca_init(firesat);
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return 0;
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}
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