118 lines
3.7 KiB
C
118 lines
3.7 KiB
C
|
/*
|
||
|
|
Mantis PCI bridge driver
|
||
|
|
|
||
|
|
Copyright (C) Manu Abraham (abraham.manu@gmail.com)
|
||
|
|
|
||
|
|
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.
|
||
|
|
|
||
|
|
This program is distributed in the hope that it will be useful,
|
||
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
GNU General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU General Public License
|
||
|
|
along with this program; if not, write to the Free Software
|
||
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
|
||
|
|
#include <linux/signal.h>
|
||
|
|
#include <linux/sched.h>
|
||
|
|
#include <linux/interrupt.h>
|
||
|
|
#include <asm/io.h>
|
||
|
|
|
||
|
|
#include "dmxdev.h"
|
||
|
|
#include "dvbdev.h"
|
||
|
|
#include "dvb_demux.h"
|
||
|
|
#include "dvb_frontend.h"
|
||
|
|
#include "dvb_net.h"
|
||
|
|
|
||
|
|
#include "mantis_common.h"
|
||
|
|
#include "mantis_link.h"
|
||
|
|
#include "mantis_hif.h"
|
||
|
|
#include "mantis_reg.h"
|
||
|
|
|
||
|
|
static void mantis_hifevm_work(struct work_struct *work)
|
||
|
|
{
|
||
|
|
struct mantis_ca *ca = container_of(work, struct mantis_ca, hif_evm_work);
|
||
|
|
struct mantis_pci *mantis = ca->ca_priv;
|
||
|
|
|
||
|
|
u32 gpif_stat;
|
||
|
|
|
||
|
|
gpif_stat = mmread(MANTIS_GPIF_STATUS);
|
||
|
|
|
||
|
|
if (gpif_stat & MANTIS_GPIF_DETSTAT) {
|
||
|
|
if (gpif_stat & MANTIS_CARD_PLUGIN) {
|
||
|
|
dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): CAM Plugin", mantis->num);
|
||
|
|
mmwrite(0xdada0000, MANTIS_CARD_RESET);
|
||
|
|
mantis_event_cam_plugin(ca);
|
||
|
|
dvb_ca_en50221_camchange_irq(&ca->en50221,
|
||
|
|
0,
|
||
|
|
DVB_CA_EN50221_CAMCHANGE_INSERTED);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (gpif_stat & MANTIS_CARD_PLUGOUT) {
|
||
|
|
dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): CAM Unplug", mantis->num);
|
||
|
|
mmwrite(0xdada0000, MANTIS_CARD_RESET);
|
||
|
|
mantis_event_cam_unplug(ca);
|
||
|
|
dvb_ca_en50221_camchange_irq(&ca->en50221,
|
||
|
|
0,
|
||
|
|
DVB_CA_EN50221_CAMCHANGE_REMOVED);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (mantis->gpif_status & MANTIS_GPIF_EXTIRQ)
|
||
|
|
dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Ext IRQ", mantis->num);
|
||
|
|
|
||
|
|
if (mantis->gpif_status & MANTIS_SBUF_WSTO)
|
||
|
|
dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Timeout", mantis->num);
|
||
|
|
|
||
|
|
if (mantis->gpif_status & MANTIS_GPIF_OTHERR)
|
||
|
|
dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Alignment Error", mantis->num);
|
||
|
|
|
||
|
|
if (gpif_stat & MANTIS_SBUF_OVFLW)
|
||
|
|
dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Overflow", mantis->num);
|
||
|
|
|
||
|
|
if (gpif_stat & MANTIS_GPIF_BRRDY)
|
||
|
|
dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Read Ready", mantis->num);
|
||
|
|
|
||
|
|
if (gpif_stat & MANTIS_GPIF_INTSTAT)
|
||
|
|
dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): GPIF IRQ", mantis->num);
|
||
|
|
|
||
|
|
if (gpif_stat & MANTIS_SBUF_EMPTY)
|
||
|
|
dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Empty", mantis->num);
|
||
|
|
|
||
|
|
if (gpif_stat & MANTIS_SBUF_OPDONE) {
|
||
|
|
dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer operation complete", mantis->num);
|
||
|
|
ca->sbuf_status = MANTIS_SBUF_DATA_AVAIL;
|
||
|
|
ca->hif_event = MANTIS_SBUF_OPDONE;
|
||
|
|
wake_up(&ca->hif_opdone_wq);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
int mantis_evmgr_init(struct mantis_ca *ca)
|
||
|
|
{
|
||
|
|
struct mantis_pci *mantis = ca->ca_priv;
|
||
|
|
|
||
|
|
dprintk(MANTIS_DEBUG, 1, "Initializing Mantis Host I/F Event manager");
|
||
|
|
INIT_WORK(&ca->hif_evm_work, mantis_hifevm_work);
|
||
|
|
mantis_pcmcia_init(ca);
|
||
|
|
schedule_work(&ca->hif_evm_work);
|
||
|
|
mantis_hif_init(ca);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void mantis_evmgr_exit(struct mantis_ca *ca)
|
||
|
|
{
|
||
|
|
struct mantis_pci *mantis = ca->ca_priv;
|
||
|
|
|
||
|
|
dprintk(MANTIS_DEBUG, 1, "Mantis Host I/F Event manager exiting");
|
||
|
|
flush_work(&ca->hif_evm_work);
|
||
|
|
mantis_hif_exit(ca);
|
||
|
|
mantis_pcmcia_exit(ca);
|
||
|
|
}
|