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V4L/DVB: ngene: Make command timeout workaround configurable

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Make command timeout workaround configurable,
activate it for firmware version <= 17.

Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Oliver Endriss 2010-05-16 06:07:07 -03:00 committed by Mauro Carvalho Chehab
parent 4387418129
commit 5a2a1848a7
3 changed files with 8 additions and 16 deletions
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9
drivers/media/dvb/ngene/ngene-core.c
View file

@ -53,8 +53,6 @@ MODULE_PARM_DESC(debug, "Print debugging information.");
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
#define COMMAND_TIMEOUT_WORKAROUND
#define dprintk if (debug) printk
#define ngwriteb(dat, adr) writeb((dat), (char *)(dev->iomem + (adr)))
@ -1252,14 +1250,17 @@ static int ngene_load_firm(struct ngene *dev)
version = 15;
size = 23466;
fw_name = "ngene_15.fw";
dev->cmd_timeout_workaround = true;
break;
case 16:
size = 23498;
fw_name = "ngene_16.fw";
dev->cmd_timeout_workaround = true;
break;
case 17:
size = 24446;
fw_name = "ngene_17.fw";
dev->cmd_timeout_workaround = true;
break;
}
@ -1410,10 +1411,8 @@ static void release_channel(struct ngene_channel *chan)
struct ngene_info *ni = dev->card_info;
int io = ni->io_type[chan->number];
#ifdef COMMAND_TIMEOUT_WORKAROUND
if (chan->running)
if (chan->dev->cmd_timeout_workaround && chan->running)
set_transfer(chan, 0);
#endif
tasklet_kill(&chan->demux_tasklet);

14
drivers/media/dvb/ngene/ngene-dvb.c
View file

@ -44,8 +44,6 @@
#include "ngene.h"
#define COMMAND_TIMEOUT_WORKAROUND
/****************************************************************************/
/* COMMAND API interface ****************************************************/
@ -69,9 +67,7 @@ void *tsin_exchange(void *priv, void *buf, u32 len, u32 clock, u32 flags)
struct ngene_channel *chan = priv;
#ifdef COMMAND_TIMEOUT_WORKAROUND
if (chan->users > 0)
#endif
dvb_dmx_swfilter(&chan->demux, buf, len);
return NULL;
}
@ -106,11 +102,8 @@ int ngene_start_feed(struct dvb_demux_feed *dvbdmxfeed)
struct ngene_channel *chan = dvbdmx->priv;
if (chan->users == 0) {
#ifdef COMMAND_TIMEOUT_WORKAROUND
if (!chan->running)
#endif
if (!chan->dev->cmd_timeout_workaround || !chan->running)
set_transfer(chan, 1);
/* msleep(10); */
}
return ++chan->users;
@ -124,9 +117,8 @@ int ngene_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
if (--chan->users)
return chan->users;
#ifndef COMMAND_TIMEOUT_WORKAROUND
set_transfer(chan, 0);
#endif
if (!chan->dev->cmd_timeout_workaround)
set_transfer(chan, 0);
return 0;
}

1
drivers/media/dvb/ngene/ngene.h
View file

@ -726,6 +726,7 @@ struct ngene {
u32 fw_interface_version;
u32 icounts;
bool msi_enabled;
bool cmd_timeout_workaround;
u8 *CmdDoneByte;
int BootFirmware;