projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| 30 | u32 gpif_stat; | |
| 31 | ||
| 32 | gpif_stat = mmread(MANTIS_GPIF_STATUS); | |
| 33 | ||
| 34 | if (gpif_stat & MANTIS_GPIF_DETSTAT) { | |
| 35 | if (gpif_stat & MANTIS_CARD_PLUGIN) { | |
| 36 | dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): CAM Plugin", mantis->num); | |
| 37 | mmwrite(0xdada0000, MANTIS_CARD_RESET); | |
| 38 | // Plugin call here | |
| 39 | gpif_stat = 0; // crude ! | |
| 40 | } | |
| 41 | } else { | |
| 42 | if (gpif_stat & MANTIS_CARD_PLUGOUT) { | |
| 43 | dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): CAM Unplug", mantis->num); | |
| 44 | mmwrite(0xdada0000, MANTIS_CARD_RESET); | |
| 45 | // Unplug call here | |
| 46 | gpif_stat = 0; // crude ! | |
| 47 | } | |
| 48 | } | |
| 49 | ||
| 50 | if (gpif_stat & MANTIS_GPIF_EXTIRQ) | |
| 51 | dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Ext IRQ", mantis->num); | |
| 52 | ||
| 53 | if (gpif_stat & MANTIS_SBUF_WSTO) | |
| 54 | dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Timeout", mantis->num); | |
| 55 | ||
| 56 | if (gpif_stat & MANTIS_GPIF_OTHERR) | |
| 57 | dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Alignment Error", mantis->num); | |
| 58 | ||
| 59 | if (gpif_stat & MANTIS_SBUF_OVFLW) | |
| 60 | dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Overflow", mantis->num); | |
| 61 | ||
| 62 | if (gpif_stat & MANTIS_GPIF_BRRDY) { | |
| 63 | dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Read Ready", mantis->num); | |
| 64 | ca->sbuf_status = MANTIS_SBUF_DATA_AVAIL; | |
| 65 | if (ca->hif_job_queue & MANTIS_HIF_MEMRD) | |
| 66 | wake_up(&ca->hif_brrdyw_wq); | |
| 67 | } | |
| 68 | if (gpif_stat & MANTIS_GPIF_WRACK) | |
| 69 | dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Slave Write ACK", mantis->num); | |
| 70 | ||
| 71 | if (gpif_stat & MANTIS_GPIF_INTSTAT) | |
| 72 | dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): GPIF IRQ", mantis->num); | |
| 73 | ||
| 74 | if (gpif_stat & MANTIS_SBUF_EMPTY) | |
| 75 | dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Empty", mantis->num); | |
| 76 | ||
| 77 | if (gpif_stat & MANTIS_SBUF_OPDONE) { | |
| 78 | dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer operation complete", mantis->num); | |
| 79 | if (ca->hif_job_queue) { | |
| 80 | wake_up(&ca->hif_opdone_wq); | |
| 81 | ca->hif_event = MANTIS_SBUF_OPDONE; | |
| 82 | } | |
| 83 | } | |
| 84 | } | |
| d575571e MA |
85 | |
| 86 | int mantis_evmgr_init(struct mantis_ca *ca) | |
| 87 | { | |
| 88 | struct mantis_pci *mantis = ca->ca_priv; | |
| 89 | ||
| 90 | dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Initializing Mantis Host I/F Event manager"); | |
| fadfa070 MA |
91 | tasklet_init(&ca->hif_evm_tasklet, mantis_hifevm_tasklet, (unsigned long) ca); |
| 92 | ||
| d575571e MA |
93 | return 0; |
| 94 | } | |
| 95 | ||
| 96 | void mantis_evmgr_exit(struct mantis_ca *ca) | |
| 97 | { | |
| 98 | struct mantis_pci *mantis = ca->ca_priv; | |
| 99 | ||
| 100 | dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Mantis Host I/F Event manager exiting"); | |
| fadfa070 | 101 | tasklet_kill(&ca->hif_evm_tasklet); |
| d575571e | 102 | } |