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/*
Mantis PCI bridge driver
Copyright (C) 2005, 2006 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 "mantis_common.h"
#include "mantis_link.h"
#include "mantis_hif.h"
void mantis_hifevm_tasklet(unsigned long data)
{
struct mantis_ca *ca = (struct mantis_ca *) data;
struct mantis_pci *mantis = ca->ca_priv;
u32 gpif_stat, gpif_mask;
gpif_stat = mmread(MANTIS_GPIF_STATUS);
gpif_mask = mmread(MANTIS_GPIF_IRQCFG);
if (!((gpif_stat & 0xff) & (gpif_mask & 0xff)))
return;
if (gpif_stat & MANTIS_GPIF_DETSTAT) {
if (gpif_stat & MANTIS_CARD_PLUGIN) {
dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): CAM Plugin", mantis->num);
mmwrite(0xdada0000, MANTIS_CARD_RESET);
// Plugin call here
gpif_stat = 0; // crude !
}
} else {
if (gpif_stat & MANTIS_CARD_PLUGOUT) {
dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): CAM Unplug", mantis->num);
mmwrite(0xdada0000, MANTIS_CARD_RESET);
// Unplug call here
gpif_stat = 0; // crude !
}
}
if (gpif_stat & MANTIS_GPIF_EXTIRQ)
dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Ext IRQ", mantis->num);
if (gpif_stat & MANTIS_SBUF_WSTO)
dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Timeout", mantis->num);
if (gpif_stat & MANTIS_GPIF_OTHERR)
dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Alignment Error", mantis->num);
if (gpif_stat & MANTIS_SBUF_OVFLW)
dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Overflow", mantis->num);
if (gpif_stat & MANTIS_GPIF_BRRDY) {
dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Read Ready", mantis->num);
ca->sbuf_status = MANTIS_SBUF_DATA_AVAIL;
if (ca->hif_job_queue & MANTIS_HIF_MEMRD)
wake_up(&ca->hif_brrdyw_wq);
}
if (gpif_stat & MANTIS_GPIF_WRACK)
dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Slave Write ACK", mantis->num);
if (gpif_stat & MANTIS_GPIF_INTSTAT)
dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): GPIF IRQ", mantis->num);
if (gpif_stat & MANTIS_SBUF_EMPTY)
dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Empty", mantis->num);
if (gpif_stat & MANTIS_SBUF_OPDONE) {
dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer operation complete", mantis->num);
if (ca->hif_job_queue) {
wake_up(&ca->hif_opdone_wq);
ca->hif_event = MANTIS_SBUF_OPDONE;
}
}
}
int mantis_evmgr_init(struct mantis_ca *ca)
{
struct mantis_pci *mantis = ca->ca_priv;
dprintk(verbose, MANTIS_DEBUG, 1, "Initializing Mantis Host I/F Event manager");
tasklet_init(&ca->hif_evm_tasklet, mantis_hifevm_tasklet, (unsigned long) ca);
mantis_pcmcia_init(ca);
return 0;
}
void mantis_evmgr_exit(struct mantis_ca *ca)
{
struct mantis_pci *mantis = ca->ca_priv;
dprintk(verbose, MANTIS_DEBUG, 1, "Mantis Host I/F Event manager exiting");
tasklet_kill(&ca->hif_evm_tasklet);
mantis_pcmcia_exit(ca);
}
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