mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
105 lines
3.1 KiB
105 lines
3.1 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
|
/* |
|
Mantis PCI bridge driver |
|
|
|
Copyright (C) Manu Abraham ([email protected]) |
|
|
|
*/ |
|
|
|
#include <linux/kernel.h> |
|
|
|
#include <linux/signal.h> |
|
#include <linux/sched.h> |
|
#include <linux/interrupt.h> |
|
#include <asm/io.h> |
|
|
|
#include <media/dmxdev.h> |
|
#include <media/dvbdev.h> |
|
#include <media/dvb_demux.h> |
|
#include <media/dvb_frontend.h> |
|
#include <media/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); |
|
}
|
|
|