Commit | Line | Data |
---|---|---|
d575571e MA |
1 | /* |
2 | Mantis PCI bridge driver | |
3 | ||
8825a097 | 4 | Copyright (C) Manu Abraham (abraham.manu@gmail.com) |
d575571e MA |
5 | |
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. | |
10 | ||
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. | |
15 | ||
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. | |
19 | */ | |
20 | ||
b3b96144 MA |
21 | #include <linux/kernel.h> |
22 | ||
b3b96144 MA |
23 | #include <linux/signal.h> |
24 | #include <linux/sched.h> | |
25 | #include <linux/interrupt.h> | |
b7f080cf | 26 | #include <asm/io.h> |
b3b96144 MA |
27 | |
28 | #include "dmxdev.h" | |
29 | #include "dvbdev.h" | |
30 | #include "dvb_demux.h" | |
31 | #include "dvb_frontend.h" | |
32 | #include "dvb_net.h" | |
33 | ||
d575571e MA |
34 | #include "mantis_common.h" |
35 | #include "mantis_link.h" | |
fadfa070 | 36 | #include "mantis_hif.h" |
b3b96144 | 37 | #include "mantis_reg.h" |
fadfa070 | 38 | |
12855cac | 39 | static void mantis_hifevm_work(struct work_struct *work) |
fadfa070 | 40 | { |
12855cac | 41 | struct mantis_ca *ca = container_of(work, struct mantis_ca, hif_evm_work); |
fadfa070 MA |
42 | struct mantis_pci *mantis = ca->ca_priv; |
43 | ||
5becbc58 | 44 | u32 gpif_stat; |
fadfa070 MA |
45 | |
46 | gpif_stat = mmread(MANTIS_GPIF_STATUS); | |
47 | ||
48 | if (gpif_stat & MANTIS_GPIF_DETSTAT) { | |
49 | if (gpif_stat & MANTIS_CARD_PLUGIN) { | |
b3b96144 | 50 | dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): CAM Plugin", mantis->num); |
fadfa070 | 51 | mmwrite(0xdada0000, MANTIS_CARD_RESET); |
12855cac | 52 | mantis_event_cam_plugin(ca); |
05691cdb MA |
53 | dvb_ca_en50221_camchange_irq(&ca->en50221, |
54 | 0, | |
55 | DVB_CA_EN50221_CAMCHANGE_INSERTED); | |
fadfa070 MA |
56 | } |
57 | } else { | |
58 | if (gpif_stat & MANTIS_CARD_PLUGOUT) { | |
b3b96144 | 59 | dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): CAM Unplug", mantis->num); |
fadfa070 | 60 | mmwrite(0xdada0000, MANTIS_CARD_RESET); |
12855cac | 61 | mantis_event_cam_unplug(ca); |
05691cdb MA |
62 | dvb_ca_en50221_camchange_irq(&ca->en50221, |
63 | 0, | |
64 | DVB_CA_EN50221_CAMCHANGE_REMOVED); | |
fadfa070 MA |
65 | } |
66 | } | |
67 | ||
17b77fc2 | 68 | if (mantis->gpif_status & MANTIS_GPIF_EXTIRQ) |
b3b96144 | 69 | dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Ext IRQ", mantis->num); |
fadfa070 | 70 | |
17b77fc2 | 71 | if (mantis->gpif_status & MANTIS_SBUF_WSTO) |
b3b96144 | 72 | dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Timeout", mantis->num); |
fadfa070 | 73 | |
17b77fc2 | 74 | if (mantis->gpif_status & MANTIS_GPIF_OTHERR) |
b3b96144 | 75 | dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Alignment Error", mantis->num); |
fadfa070 MA |
76 | |
77 | if (gpif_stat & MANTIS_SBUF_OVFLW) | |
b3b96144 | 78 | dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Overflow", mantis->num); |
fadfa070 | 79 | |
9e49e8d9 | 80 | if (gpif_stat & MANTIS_GPIF_BRRDY) |
b3b96144 | 81 | dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Read Ready", mantis->num); |
9e49e8d9 | 82 | |
fadfa070 | 83 | if (gpif_stat & MANTIS_GPIF_INTSTAT) |
b3b96144 | 84 | dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): GPIF IRQ", mantis->num); |
fadfa070 MA |
85 | |
86 | if (gpif_stat & MANTIS_SBUF_EMPTY) | |
b3b96144 | 87 | dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Empty", mantis->num); |
fadfa070 MA |
88 | |
89 | if (gpif_stat & MANTIS_SBUF_OPDONE) { | |
b3b96144 | 90 | dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer operation complete", mantis->num); |
cc0e4aac | 91 | ca->sbuf_status = MANTIS_SBUF_DATA_AVAIL; |
c02e1515 SA |
92 | ca->hif_event = MANTIS_SBUF_OPDONE; |
93 | wake_up(&ca->hif_opdone_wq); | |
fadfa070 MA |
94 | } |
95 | } | |
d575571e MA |
96 | |
97 | int mantis_evmgr_init(struct mantis_ca *ca) | |
98 | { | |
99 | struct mantis_pci *mantis = ca->ca_priv; | |
100 | ||
b3b96144 | 101 | dprintk(MANTIS_DEBUG, 1, "Initializing Mantis Host I/F Event manager"); |
12855cac | 102 | INIT_WORK(&ca->hif_evm_work, mantis_hifevm_work); |
50d82602 | 103 | mantis_pcmcia_init(ca); |
12855cac | 104 | schedule_work(&ca->hif_evm_work); |
d8b14f8a | 105 | mantis_hif_init(ca); |
d575571e MA |
106 | return 0; |
107 | } | |
108 | ||
109 | void mantis_evmgr_exit(struct mantis_ca *ca) | |
110 | { | |
111 | struct mantis_pci *mantis = ca->ca_priv; | |
112 | ||
b3b96144 | 113 | dprintk(MANTIS_DEBUG, 1, "Mantis Host I/F Event manager exiting"); |
43829731 | 114 | flush_work(&ca->hif_evm_work); |
d8b14f8a | 115 | mantis_hif_exit(ca); |
50d82602 | 116 | mantis_pcmcia_exit(ca); |
d575571e | 117 | } |