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Diffstat (limited to 'drivers/media/dvb/mantis/mantis_evm.c')
-rw-r--r--drivers/media/dvb/mantis/mantis_evm.c117
1 files changed, 117 insertions, 0 deletions
diff --git a/drivers/media/dvb/mantis/mantis_evm.c b/drivers/media/dvb/mantis/mantis_evm.c
new file mode 100644
index 000000000000..a7b369a439d6
--- /dev/null
+++ b/drivers/media/dvb/mantis/mantis_evm.c
@@ -0,0 +1,117 @@
+/*
+ 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 "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_mask;
+
+ gpif_stat = mmread(MANTIS_GPIF_STATUS);
+ gpif_mask = mmread(MANTIS_GPIF_IRQCFG);
+
+ 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_scheduled_work();
+ mantis_hif_exit(ca);
+ mantis_pcmcia_exit(ca);
+}