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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 | /* 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 <asm/io.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" #include "mantis_hif.h" #include "mantis_reg.h" static void mantis_hifevm_work(struct work_struct *work) { struct mantis_ca *ca = container_of(work, struct mantis_ca, hif_evm_work); struct mantis_pci *mantis = ca->ca_priv; u32 gpif_stat; gpif_stat = mmread(MANTIS_GPIF_STATUS); if (gpif_stat & MANTIS_GPIF_DETSTAT) { if (gpif_stat & MANTIS_CARD_PLUGIN) { dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): CAM Plugin", mantis->num); mmwrite(0xdada0000, MANTIS_CARD_RESET); mantis_event_cam_plugin(ca); dvb_ca_en50221_camchange_irq(&ca->en50221, 0, DVB_CA_EN50221_CAMCHANGE_INSERTED); } } else { if (gpif_stat & MANTIS_CARD_PLUGOUT) { dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): CAM Unplug", mantis->num); mmwrite(0xdada0000, MANTIS_CARD_RESET); mantis_event_cam_unplug(ca); dvb_ca_en50221_camchange_irq(&ca->en50221, 0, DVB_CA_EN50221_CAMCHANGE_REMOVED); } } if (mantis->gpif_status & MANTIS_GPIF_EXTIRQ) dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Ext IRQ", mantis->num); if (mantis->gpif_status & MANTIS_SBUF_WSTO) dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Timeout", mantis->num); if (mantis->gpif_status & MANTIS_GPIF_OTHERR) dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Alignment Error", mantis->num); if (gpif_stat & MANTIS_SBUF_OVFLW) dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Overflow", mantis->num); if (gpif_stat & MANTIS_GPIF_BRRDY) dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Read Ready", mantis->num); if (gpif_stat & MANTIS_GPIF_INTSTAT) dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): GPIF IRQ", mantis->num); if (gpif_stat & MANTIS_SBUF_EMPTY) dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Empty", mantis->num); if (gpif_stat & MANTIS_SBUF_OPDONE) { dprintk(MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer operation complete", mantis->num); ca->sbuf_status = MANTIS_SBUF_DATA_AVAIL; ca->hif_event = MANTIS_SBUF_OPDONE; wake_up(&ca->hif_opdone_wq); } } int mantis_evmgr_init(struct mantis_ca *ca) { struct mantis_pci *mantis = ca->ca_priv; dprintk(MANTIS_DEBUG, 1, "Initializing Mantis Host I/F Event manager"); INIT_WORK(&ca->hif_evm_work, mantis_hifevm_work); mantis_pcmcia_init(ca); schedule_work(&ca->hif_evm_work); mantis_hif_init(ca); return 0; } void mantis_evmgr_exit(struct mantis_ca *ca) { struct mantis_pci *mantis = ca->ca_priv; dprintk(MANTIS_DEBUG, 1, "Mantis Host I/F Event manager exiting"); flush_work(&ca->hif_evm_work); mantis_hif_exit(ca); mantis_pcmcia_exit(ca); } |