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authorLinus Torvalds <torvalds@linux-foundation.org>2010-01-18 14:07:07 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-01-18 14:07:07 -0800
commit2faae42233778676607a2a45b95aeb375bebe2c6 (patch)
tree8d9d1da5980eeacdd2467bc841125faccff93c4c /drivers/media/dvb/mantis/mantis_pcmcia.c
parent630ca048cec9f06eb4cceddb9df066ca68ace9d4 (diff)
parentfcd89de3bd1c8735f9b7c759dc4848ab6e525bb9 (diff)
Merge branch 'mantis' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'mantis' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (117 commits) V4L/DVB (13851): Fix Input dependency for Mantis V4L/DVB(13824a): mantis: Fix __devexit bad annotations V4L/DVB (13808b): mantis: replace DMA_nnBIT_MASK to DMA_BIT_MASK(32) V4L/DVB (13808): [Mantis/Hopper] Build update for Mantis/Hopper based cards V4L/DVB(13808a): mantis: convert it to the new ir-core register/unregister functions V4L/DVB (13812): [Mantis/Hopper] Update Copyright header V4L/DVB (13811): [MB86A16] Update Copyright header V4L/DVB (13810): [MB86A16] Use DVB_* macros V4L/DVB (13809): Fix Checkpatch violations V4L/DVB (13807): Fix: Free device in the device registration failure case V4L/DVB (13806): Register and Initialize Remote control V4L/DVB (13805): Fix: Unregister the frontend before detaching V4L/DVB (13804): Remove unused I2C Adapter ID V4L/DVB (13803): Remove unused dependency on CU1216 V4L/DVB (13802): [Mantis/Hopper] Fix all build related warnings V4L/DVB (13801): [MB86A16] Use the search callback V4L/DVB (13800): [Mantis] I2C optimization. Required delay is much lesser than 1mS. V4L/DVB (13799): [Mantis] Unregister frontend V4L/DVB (13798): [Mantis] Enable power for all cards, use byte mode only on relevant devices V4L/DVB (13797): [Mantis/Hopper/TDA665x] Large overhaul, ...
Diffstat (limited to 'drivers/media/dvb/mantis/mantis_pcmcia.c')
-rw-r--r--drivers/media/dvb/mantis/mantis_pcmcia.c120
1 files changed, 120 insertions, 0 deletions
diff --git a/drivers/media/dvb/mantis/mantis_pcmcia.c b/drivers/media/dvb/mantis/mantis_pcmcia.c
new file mode 100644
index 000000000000..5cb545b913f6
--- /dev/null
+++ b/drivers/media/dvb/mantis/mantis_pcmcia.c
@@ -0,0 +1,120 @@
+/*
+ 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" /* temporary due to physical layer stuff */
+#include "mantis_reg.h"
+
+/*
+ * 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_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_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;
+
+ mmwrite(mmread(MANTIS_INT_MASK) | MANTIS_INT_IRQ0, MANTIS_INT_MASK);
+ gpif_stat = mmread(MANTIS_GPIF_STATUS);
+ card_stat = mmread(MANTIS_GPIF_IRQCFG);
+
+ if (gpif_stat & MANTIS_GPIF_DETSTAT) {
+ dprintk(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;
+ dvb_ca_en50221_camchange_irq(&ca->en50221,
+ 0,
+ DVB_CA_EN50221_CAMCHANGE_INSERTED);
+ } else {
+ dprintk(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;
+ dvb_ca_en50221_camchange_irq(&ca->en50221,
+ 0,
+ DVB_CA_EN50221_CAMCHANGE_REMOVED);
+ }
+
+ return 0;
+}
+
+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);
+}