118 строки
3.7 KiB
C
118 строки
3.7 KiB
C
/*
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Mantis PCI bridge driver
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Copyright (C) Manu Abraham (abraham.manu@gmail.com)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/kernel.h>
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#include <linux/signal.h>
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#include <linux/sched.h>
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#include <linux/interrupt.h>
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#include <asm/io.h>
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#include "dmxdev.h"
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#include "dvbdev.h"
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#include "dvb_demux.h"
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#include "dvb_frontend.h"
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#include "dvb_net.h"
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#include "mantis_common.h"
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#include "mantis_link.h"
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#include "mantis_hif.h"
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#include "mantis_reg.h"
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static void mantis_hifevm_work(struct work_struct *work)
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{
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struct mantis_ca *ca = container_of(work, struct mantis_ca, hif_evm_work);
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struct mantis_pci *mantis = ca->ca_priv;
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u32 gpif_stat;
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gpif_stat = mmread(MANTIS_GPIF_STATUS);
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if (gpif_stat & MANTIS_GPIF_DETSTAT) {
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if (gpif_stat & MANTIS_CARD_PLUGIN) {
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dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): CAM Plugin", mantis->num);
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mmwrite(0xdada0000, MANTIS_CARD_RESET);
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mantis_event_cam_plugin(ca);
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dvb_ca_en50221_camchange_irq(&ca->en50221,
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0,
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DVB_CA_EN50221_CAMCHANGE_INSERTED);
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}
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} else {
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if (gpif_stat & MANTIS_CARD_PLUGOUT) {
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dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): CAM Unplug", mantis->num);
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mmwrite(0xdada0000, MANTIS_CARD_RESET);
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mantis_event_cam_unplug(ca);
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dvb_ca_en50221_camchange_irq(&ca->en50221,
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0,
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DVB_CA_EN50221_CAMCHANGE_REMOVED);
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}
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}
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if (mantis->gpif_status & MANTIS_GPIF_EXTIRQ)
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dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Ext IRQ", mantis->num);
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if (mantis->gpif_status & MANTIS_SBUF_WSTO)
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dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Timeout", mantis->num);
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if (mantis->gpif_status & MANTIS_GPIF_OTHERR)
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dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Alignment Error", mantis->num);
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if (gpif_stat & MANTIS_SBUF_OVFLW)
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dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Overflow", mantis->num);
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if (gpif_stat & MANTIS_GPIF_BRRDY)
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dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Read Ready", mantis->num);
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if (gpif_stat & MANTIS_GPIF_INTSTAT)
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dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): GPIF IRQ", mantis->num);
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if (gpif_stat & MANTIS_SBUF_EMPTY)
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dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Empty", mantis->num);
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if (gpif_stat & MANTIS_SBUF_OPDONE) {
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dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer operation complete", mantis->num);
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ca->sbuf_status = MANTIS_SBUF_DATA_AVAIL;
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ca->hif_event = MANTIS_SBUF_OPDONE;
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wake_up(&ca->hif_opdone_wq);
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}
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}
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int mantis_evmgr_init(struct mantis_ca *ca)
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{
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struct mantis_pci *mantis = ca->ca_priv;
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dprintk(MANTIS_DEBUG, 1, "Initializing Mantis Host I/F Event manager");
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INIT_WORK(&ca->hif_evm_work, mantis_hifevm_work);
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mantis_pcmcia_init(ca);
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schedule_work(&ca->hif_evm_work);
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mantis_hif_init(ca);
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return 0;
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}
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void mantis_evmgr_exit(struct mantis_ca *ca)
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{
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struct mantis_pci *mantis = ca->ca_priv;
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dprintk(MANTIS_DEBUG, 1, "Mantis Host I/F Event manager exiting");
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flush_work(&ca->hif_evm_work);
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mantis_hif_exit(ca);
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mantis_pcmcia_exit(ca);
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}
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