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Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 441 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc) Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190520071858.739733335@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
106 lines
3.1 KiB
C
106 lines
3.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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Mantis PCI bridge driver
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Copyright (C) Manu Abraham (abraham.manu@gmail.com)
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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 <media/dmxdev.h>
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#include <media/dvbdev.h>
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#include <media/dvb_demux.h>
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#include <media/dvb_frontend.h>
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#include <media/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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