Commit | Line | Data |
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d575571e MA |
1 | /* |
2 | Mantis PCI bridge driver | |
3 | ||
4 | Copyright (C) 2005, 2006 Manu Abraham (abraham.manu@gmail.com) | |
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 | ||
21 | #include "mantis_common.h" | |
22 | #include "mantis_link.h" | |
fadfa070 MA |
23 | #include "mantis_hif.h" |
24 | ||
25 | void mantis_hifevm_tasklet(unsigned long data) | |
26 | { | |
27 | struct mantis_ca *ca = (struct mantis_ca *) data; | |
28 | struct mantis_pci *mantis = ca->ca_priv; | |
29 | ||
3062b157 | 30 | u32 gpif_stat, gpif_mask; |
fadfa070 MA |
31 | |
32 | gpif_stat = mmread(MANTIS_GPIF_STATUS); | |
3062b157 MA |
33 | gpif_mask = mmread(MANTIS_GPIF_IRQCFG); |
34 | if (!((gpif_stat & 0xff) & (gpif_mask & 0xff))) | |
35 | return; | |
fadfa070 MA |
36 | |
37 | if (gpif_stat & MANTIS_GPIF_DETSTAT) { | |
38 | if (gpif_stat & MANTIS_CARD_PLUGIN) { | |
d9dd5f71 | 39 | dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): CAM Plugin", mantis->num); |
fadfa070 MA |
40 | mmwrite(0xdada0000, MANTIS_CARD_RESET); |
41 | // Plugin call here | |
42 | gpif_stat = 0; // crude ! | |
43 | } | |
44 | } else { | |
45 | if (gpif_stat & MANTIS_CARD_PLUGOUT) { | |
d9dd5f71 | 46 | dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): CAM Unplug", mantis->num); |
fadfa070 MA |
47 | mmwrite(0xdada0000, MANTIS_CARD_RESET); |
48 | // Unplug call here | |
49 | gpif_stat = 0; // crude ! | |
50 | } | |
51 | } | |
52 | ||
53 | if (gpif_stat & MANTIS_GPIF_EXTIRQ) | |
d9dd5f71 | 54 | dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Ext IRQ", mantis->num); |
fadfa070 MA |
55 | |
56 | if (gpif_stat & MANTIS_SBUF_WSTO) | |
d9dd5f71 | 57 | dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Timeout", mantis->num); |
fadfa070 MA |
58 | |
59 | if (gpif_stat & MANTIS_GPIF_OTHERR) | |
d9dd5f71 | 60 | dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Alignment Error", mantis->num); |
fadfa070 MA |
61 | |
62 | if (gpif_stat & MANTIS_SBUF_OVFLW) | |
d9dd5f71 | 63 | dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Overflow", mantis->num); |
fadfa070 MA |
64 | |
65 | if (gpif_stat & MANTIS_GPIF_BRRDY) { | |
d9dd5f71 | 66 | dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Read Ready", mantis->num); |
fadfa070 MA |
67 | ca->sbuf_status = MANTIS_SBUF_DATA_AVAIL; |
68 | if (ca->hif_job_queue & MANTIS_HIF_MEMRD) | |
69 | wake_up(&ca->hif_brrdyw_wq); | |
70 | } | |
71 | if (gpif_stat & MANTIS_GPIF_WRACK) | |
d9dd5f71 | 72 | dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Slave Write ACK", mantis->num); |
fadfa070 MA |
73 | |
74 | if (gpif_stat & MANTIS_GPIF_INTSTAT) | |
d9dd5f71 | 75 | dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): GPIF IRQ", mantis->num); |
fadfa070 MA |
76 | |
77 | if (gpif_stat & MANTIS_SBUF_EMPTY) | |
d9dd5f71 | 78 | dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Empty", mantis->num); |
fadfa070 MA |
79 | |
80 | if (gpif_stat & MANTIS_SBUF_OPDONE) { | |
d9dd5f71 | 81 | dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer operation complete", mantis->num); |
fadfa070 MA |
82 | if (ca->hif_job_queue) { |
83 | wake_up(&ca->hif_opdone_wq); | |
84 | ca->hif_event = MANTIS_SBUF_OPDONE; | |
85 | } | |
86 | } | |
87 | } | |
d575571e MA |
88 | |
89 | int mantis_evmgr_init(struct mantis_ca *ca) | |
90 | { | |
91 | struct mantis_pci *mantis = ca->ca_priv; | |
92 | ||
d9dd5f71 | 93 | dprintk(verbose, MANTIS_DEBUG, 1, "Initializing Mantis Host I/F Event manager"); |
fadfa070 MA |
94 | tasklet_init(&ca->hif_evm_tasklet, mantis_hifevm_tasklet, (unsigned long) ca); |
95 | ||
50d82602 MA |
96 | mantis_pcmcia_init(ca); |
97 | ||
d575571e MA |
98 | return 0; |
99 | } | |
100 | ||
101 | void mantis_evmgr_exit(struct mantis_ca *ca) | |
102 | { | |
103 | struct mantis_pci *mantis = ca->ca_priv; | |
104 | ||
d9dd5f71 | 105 | dprintk(verbose, MANTIS_DEBUG, 1, "Mantis Host I/F Event manager exiting"); |
fadfa070 | 106 | tasklet_kill(&ca->hif_evm_tasklet); |
50d82602 MA |
107 | |
108 | mantis_pcmcia_exit(ca); | |
d575571e | 109 | } |