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authorManu Abraham <abraham.manu@gmail.com>2009-12-04 09:06:00 +0100
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-01-17 14:55:33 +0100
commit8ce571f5e7eb7186f676af3b60af7980c2fc7929 (patch)
treeac5be0858f6690b9b60c7dd7158b28b9cc207a26 /drivers
parentV4L/DVB (13735): [Mantis] Implement the Event Manager tasklet (diff)
downloadlinux-8ce571f5e7eb7186f676af3b60af7980c2fc7929.tar.xz
linux-8ce571f5e7eb7186f676af3b60af7980c2fc7929.zip
V4L/DVB (13736): [Mantis] Implement CAM Plug IN and Unplug events
Sigh! how i wish things were simpler ... Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/dvb/mantis/mantis_link.h8
-rw-r--r--drivers/media/dvb/mantis/mantis_pcmcia.c66
2 files changed, 74 insertions, 0 deletions
diff --git a/drivers/media/dvb/mantis/mantis_link.h b/drivers/media/dvb/mantis/mantis_link.h
index 2d9b64f6937a..c6b32229edde 100644
--- a/drivers/media/dvb/mantis/mantis_link.h
+++ b/drivers/media/dvb/mantis/mantis_link.h
@@ -31,6 +31,12 @@ struct mantis_slot {
u32 timeout;
};
+/* Physical layer */
+enum mantis_slot_state {
+ MODULE_INSERTED = 3,
+ MODULE_XTRACTED = 4
+};
+
struct mantis_ca {
struct mantis_slot slot;
@@ -44,6 +50,8 @@ struct mantis_ca {
enum mantis_sbuf_status sbuf_status;
+ enum mantis_slot_state slot_state;
+
struct dvb_device *ca_dev;
void *ca_priv;
};
diff --git a/drivers/media/dvb/mantis/mantis_pcmcia.c b/drivers/media/dvb/mantis/mantis_pcmcia.c
index 63f9621a90b7..960123f1ed44 100644
--- a/drivers/media/dvb/mantis/mantis_pcmcia.c
+++ b/drivers/media/dvb/mantis/mantis_pcmcia.c
@@ -19,11 +19,75 @@
*/
#include "mantis_common.h"
+#include "mantis_link.h" /* temporary due to physical layer stuff */
+
+/*
+ * If Slot state is already PLUG_IN event and we are called
+ * again, definitely it is jitter alone
+ */
+void mantis_event_cam_plugin(struct mantis_ca *ca)
+{
+ struct mantis_pci *mantis = ca->ca_priv;
+
+ u32 gpif_irqcfg;
+
+ if (ca->slot_state == MODULE_XTRACTED) {
+ dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event: CAM Plugged IN: Adapter(%d) Slot(0)", mantis->num);
+ udelay(50);
+ mmwrite(0xda000000, MANTIS_CARD_RESET);
+ gpif_irqcfg = mmread(MANTIS_GPIF_IRQCFG);
+ gpif_irqcfg |= MANTIS_MASK_PLUGOUT;
+ gpif_irqcfg &= ~MANTIS_MASK_PLUGIN;
+ mmwrite(gpif_irqcfg, MANTIS_GPIF_IRQCFG);
+ udelay(500);
+ ca->slot_state = MODULE_INSERTED;
+ }
+ udelay(100);
+}
+
+/*
+ * If Slot state is already UN_PLUG event and we are called
+ * again, definitely it is jitter alone
+ */
+void mantis_event_cam_unplug(struct mantis_ca *ca)
+{
+ struct mantis_pci *mantis = ca->ca_priv;
+
+ u32 gpif_irqcfg;
+
+ if (ca->slot_state == MODULE_INSERTED) {
+ dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event: CAM Unplugged: Adapter(%d) Slot(0)", mantis->num);
+ udelay(50);
+ mmwrite(0x00da0000, MANTIS_CARD_RESET);
+ gpif_irqcfg = mmread(MANTIS_GPIF_IRQCFG);
+ gpif_irqcfg |= MANTIS_MASK_PLUGIN;
+ gpif_irqcfg &= ~MANTIS_MASK_PLUGOUT;
+ mmwrite(gpif_irqcfg, MANTIS_GPIF_IRQCFG);
+ udelay(500);
+ ca->slot_state = MODULE_XTRACTED;
+ }
+ udelay(100);
+}
int mantis_pcmcia_init(struct mantis_ca *ca)
{
struct mantis_pci *mantis = ca->ca_priv;
+ u32 gpif_stat, card_stat;
+
+ gpif_stat = mmread(MANTIS_GPIF_STATUS);
+ card_stat = mmread(MANTIS_GPIF_IRQCFG);
+
+ if (gpif_stat & MANTIS_GPIF_DETSTAT) {
+ dprintk(mantis->verbose, MANTIS_DEBUG, 1, "CAM found on Adapter(%d) Slot(0)", mantis->num);
+ mmwrite(card_stat | MANTIS_MASK_PLUGOUT, MANTIS_GPIF_IRQCFG);
+ ca->slot_state = MODULE_INSERTED;
+ } else {
+ dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Empty Slot on Adapter(%d) Slot(0)", mantis->num);
+ mmwrite(card_stat | MANTIS_MASK_PLUGIN, MANTIS_GPIF_IRQCFG);
+ ca->slot_state = MODULE_XTRACTED;
+ }
+
return 0;
}
@@ -31,4 +95,6 @@ void mantis_pcmcia_exit(struct mantis_ca *ca)
{
struct mantis_pci *mantis = ca->ca_priv;
+ mmwrite(mmread(MANTIS_GPIF_STATUS) & (~MANTIS_CARD_PLUGOUT | ~MANTIS_CARD_PLUGIN), MANTIS_GPIF_STATUS);
+ mmwrite(mmread(MANTIS_INT_MASK) & ~MANTIS_INT_IRQ0, MANTIS_INT_MASK);
}