2 Mantis PCI bridge driver
4 Copyright (C) Manu Abraham (abraham.manu@gmail.com)
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #include <linux/kernel.h>
23 #include <linux/signal.h>
24 #include <linux/sched.h>
25 #include <linux/interrupt.h>
28 #include <media/dmxdev.h>
29 #include <media/dvbdev.h>
30 #include <media/dvb_demux.h>
31 #include <media/dvb_frontend.h>
32 #include <media/dvb_net.h>
34 #include "mantis_common.h"
35 #include "mantis_link.h" /* temporary due to physical layer stuff */
36 #include "mantis_reg.h"
39 * If Slot state is already PLUG_IN event and we are called
40 * again, definitely it is jitter alone
42 void mantis_event_cam_plugin(struct mantis_ca
*ca
)
44 struct mantis_pci
*mantis
= ca
->ca_priv
;
48 if (ca
->slot_state
== MODULE_XTRACTED
) {
49 dprintk(MANTIS_DEBUG
, 1, "Event: CAM Plugged IN: Adapter(%d) Slot(0)", mantis
->num
);
51 mmwrite(0xda000000, MANTIS_CARD_RESET
);
52 gpif_irqcfg
= mmread(MANTIS_GPIF_IRQCFG
);
53 gpif_irqcfg
|= MANTIS_MASK_PLUGOUT
;
54 gpif_irqcfg
&= ~MANTIS_MASK_PLUGIN
;
55 mmwrite(gpif_irqcfg
, MANTIS_GPIF_IRQCFG
);
57 ca
->slot_state
= MODULE_INSERTED
;
63 * If Slot state is already UN_PLUG event and we are called
64 * again, definitely it is jitter alone
66 void mantis_event_cam_unplug(struct mantis_ca
*ca
)
68 struct mantis_pci
*mantis
= ca
->ca_priv
;
72 if (ca
->slot_state
== MODULE_INSERTED
) {
73 dprintk(MANTIS_DEBUG
, 1, "Event: CAM Unplugged: Adapter(%d) Slot(0)", mantis
->num
);
75 mmwrite(0x00da0000, MANTIS_CARD_RESET
);
76 gpif_irqcfg
= mmread(MANTIS_GPIF_IRQCFG
);
77 gpif_irqcfg
|= MANTIS_MASK_PLUGIN
;
78 gpif_irqcfg
&= ~MANTIS_MASK_PLUGOUT
;
79 mmwrite(gpif_irqcfg
, MANTIS_GPIF_IRQCFG
);
81 ca
->slot_state
= MODULE_XTRACTED
;
86 int mantis_pcmcia_init(struct mantis_ca
*ca
)
88 struct mantis_pci
*mantis
= ca
->ca_priv
;
90 u32 gpif_stat
, card_stat
;
92 mantis_unmask_ints(mantis
, MANTIS_INT_IRQ0
);
93 gpif_stat
= mmread(MANTIS_GPIF_STATUS
);
94 card_stat
= mmread(MANTIS_GPIF_IRQCFG
);
96 if (gpif_stat
& MANTIS_GPIF_DETSTAT
) {
97 dprintk(MANTIS_DEBUG
, 1, "CAM found on Adapter(%d) Slot(0)", mantis
->num
);
98 mmwrite(card_stat
| MANTIS_MASK_PLUGOUT
, MANTIS_GPIF_IRQCFG
);
99 ca
->slot_state
= MODULE_INSERTED
;
100 dvb_ca_en50221_camchange_irq(&ca
->en50221
,
102 DVB_CA_EN50221_CAMCHANGE_INSERTED
);
104 dprintk(MANTIS_DEBUG
, 1, "Empty Slot on Adapter(%d) Slot(0)", mantis
->num
);
105 mmwrite(card_stat
| MANTIS_MASK_PLUGIN
, MANTIS_GPIF_IRQCFG
);
106 ca
->slot_state
= MODULE_XTRACTED
;
107 dvb_ca_en50221_camchange_irq(&ca
->en50221
,
109 DVB_CA_EN50221_CAMCHANGE_REMOVED
);
115 void mantis_pcmcia_exit(struct mantis_ca
*ca
)
117 struct mantis_pci
*mantis
= ca
->ca_priv
;
119 mmwrite(mmread(MANTIS_GPIF_STATUS
) & (~MANTIS_CARD_PLUGOUT
| ~MANTIS_CARD_PLUGIN
), MANTIS_GPIF_STATUS
);
120 mantis_mask_ints(mantis
, MANTIS_INT_IRQ0
);