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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 | /* 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 <media/dmxdev.h> #include <media/dvbdev.h> #include <media/dvb_demux.h> #include <media/dvb_frontend.h> #include <media/dvb_net.h> #include "mantis_common.h" #include "mantis_link.h" /* temporary due to physical layer stuff */ #include "mantis_reg.h" /* * If Slot state is already PLUG_IN event and we are called * again, definitely it is jitter alone */ void mantis_event_cam_plugin(struct mantis_ca *ca) { struct mantis_pci *mantis = ca->ca_priv; u32 gpif_irqcfg; if (ca->slot_state == MODULE_XTRACTED) { dprintk(MANTIS_DEBUG, 1, "Event: CAM Plugged IN: Adapter(%d) Slot(0)", mantis->num); udelay(50); mmwrite(0xda000000, MANTIS_CARD_RESET); gpif_irqcfg = mmread(MANTIS_GPIF_IRQCFG); gpif_irqcfg |= MANTIS_MASK_PLUGOUT; gpif_irqcfg &= ~MANTIS_MASK_PLUGIN; mmwrite(gpif_irqcfg, MANTIS_GPIF_IRQCFG); udelay(500); ca->slot_state = MODULE_INSERTED; } udelay(100); } /* * If Slot state is already UN_PLUG event and we are called * again, definitely it is jitter alone */ void mantis_event_cam_unplug(struct mantis_ca *ca) { struct mantis_pci *mantis = ca->ca_priv; u32 gpif_irqcfg; if (ca->slot_state == MODULE_INSERTED) { dprintk(MANTIS_DEBUG, 1, "Event: CAM Unplugged: Adapter(%d) Slot(0)", mantis->num); udelay(50); mmwrite(0x00da0000, MANTIS_CARD_RESET); gpif_irqcfg = mmread(MANTIS_GPIF_IRQCFG); gpif_irqcfg |= MANTIS_MASK_PLUGIN; gpif_irqcfg &= ~MANTIS_MASK_PLUGOUT; mmwrite(gpif_irqcfg, MANTIS_GPIF_IRQCFG); udelay(500); ca->slot_state = MODULE_XTRACTED; } udelay(100); } int mantis_pcmcia_init(struct mantis_ca *ca) { struct mantis_pci *mantis = ca->ca_priv; u32 gpif_stat, card_stat; mantis_unmask_ints(mantis, MANTIS_INT_IRQ0); gpif_stat = mmread(MANTIS_GPIF_STATUS); card_stat = mmread(MANTIS_GPIF_IRQCFG); if (gpif_stat & MANTIS_GPIF_DETSTAT) { dprintk(MANTIS_DEBUG, 1, "CAM found on Adapter(%d) Slot(0)", mantis->num); mmwrite(card_stat | MANTIS_MASK_PLUGOUT, MANTIS_GPIF_IRQCFG); ca->slot_state = MODULE_INSERTED; dvb_ca_en50221_camchange_irq(&ca->en50221, 0, DVB_CA_EN50221_CAMCHANGE_INSERTED); } else { dprintk(MANTIS_DEBUG, 1, "Empty Slot on Adapter(%d) Slot(0)", mantis->num); mmwrite(card_stat | MANTIS_MASK_PLUGIN, MANTIS_GPIF_IRQCFG); ca->slot_state = MODULE_XTRACTED; dvb_ca_en50221_camchange_irq(&ca->en50221, 0, DVB_CA_EN50221_CAMCHANGE_REMOVED); } return 0; } void mantis_pcmcia_exit(struct mantis_ca *ca) { struct mantis_pci *mantis = ca->ca_priv; mmwrite(mmread(MANTIS_GPIF_STATUS) & (~MANTIS_CARD_PLUGOUT | ~MANTIS_CARD_PLUGIN), MANTIS_GPIF_STATUS); mantis_mask_ints(mantis, MANTIS_INT_IRQ0); } |