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109 lines
2.9 KiB
109 lines
2.9 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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Mantis PCI bridge driver |
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Copyright (C) Manu Abraham ([email protected]) |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/signal.h> |
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#include <linux/sched.h> |
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#include <linux/interrupt.h> |
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#include <asm/io.h> |
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#include <media/dmxdev.h> |
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#include <media/dvbdev.h> |
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#include <media/dvb_demux.h> |
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#include <media/dvb_frontend.h> |
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#include <media/dvb_net.h> |
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#include "mantis_common.h" |
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#include "mantis_link.h" /* temporary due to physical layer stuff */ |
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#include "mantis_reg.h" |
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/* |
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* If Slot state is already PLUG_IN event and we are called |
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* again, definitely it is jitter alone |
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*/ |
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void mantis_event_cam_plugin(struct mantis_ca *ca) |
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{ |
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struct mantis_pci *mantis = ca->ca_priv; |
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u32 gpif_irqcfg; |
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if (ca->slot_state == MODULE_XTRACTED) { |
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dprintk(MANTIS_DEBUG, 1, "Event: CAM Plugged IN: Adapter(%d) Slot(0)", mantis->num); |
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udelay(50); |
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mmwrite(0xda000000, MANTIS_CARD_RESET); |
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gpif_irqcfg = mmread(MANTIS_GPIF_IRQCFG); |
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gpif_irqcfg |= MANTIS_MASK_PLUGOUT; |
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gpif_irqcfg &= ~MANTIS_MASK_PLUGIN; |
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mmwrite(gpif_irqcfg, MANTIS_GPIF_IRQCFG); |
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udelay(500); |
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ca->slot_state = MODULE_INSERTED; |
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} |
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udelay(100); |
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} |
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/* |
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* If Slot state is already UN_PLUG event and we are called |
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* again, definitely it is jitter alone |
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*/ |
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void mantis_event_cam_unplug(struct mantis_ca *ca) |
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{ |
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struct mantis_pci *mantis = ca->ca_priv; |
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u32 gpif_irqcfg; |
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if (ca->slot_state == MODULE_INSERTED) { |
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dprintk(MANTIS_DEBUG, 1, "Event: CAM Unplugged: Adapter(%d) Slot(0)", mantis->num); |
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udelay(50); |
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mmwrite(0x00da0000, MANTIS_CARD_RESET); |
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gpif_irqcfg = mmread(MANTIS_GPIF_IRQCFG); |
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gpif_irqcfg |= MANTIS_MASK_PLUGIN; |
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gpif_irqcfg &= ~MANTIS_MASK_PLUGOUT; |
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mmwrite(gpif_irqcfg, MANTIS_GPIF_IRQCFG); |
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udelay(500); |
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ca->slot_state = MODULE_XTRACTED; |
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} |
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udelay(100); |
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} |
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int mantis_pcmcia_init(struct mantis_ca *ca) |
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{ |
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struct mantis_pci *mantis = ca->ca_priv; |
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u32 gpif_stat, card_stat; |
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mantis_unmask_ints(mantis, MANTIS_INT_IRQ0); |
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gpif_stat = mmread(MANTIS_GPIF_STATUS); |
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card_stat = mmread(MANTIS_GPIF_IRQCFG); |
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if (gpif_stat & MANTIS_GPIF_DETSTAT) { |
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dprintk(MANTIS_DEBUG, 1, "CAM found on Adapter(%d) Slot(0)", mantis->num); |
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mmwrite(card_stat | MANTIS_MASK_PLUGOUT, MANTIS_GPIF_IRQCFG); |
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ca->slot_state = MODULE_INSERTED; |
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dvb_ca_en50221_camchange_irq(&ca->en50221, |
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0, |
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DVB_CA_EN50221_CAMCHANGE_INSERTED); |
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} else { |
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dprintk(MANTIS_DEBUG, 1, "Empty Slot on Adapter(%d) Slot(0)", mantis->num); |
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mmwrite(card_stat | MANTIS_MASK_PLUGIN, MANTIS_GPIF_IRQCFG); |
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ca->slot_state = MODULE_XTRACTED; |
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dvb_ca_en50221_camchange_irq(&ca->en50221, |
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0, |
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DVB_CA_EN50221_CAMCHANGE_REMOVED); |
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} |
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return 0; |
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} |
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void mantis_pcmcia_exit(struct mantis_ca *ca) |
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{ |
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struct mantis_pci *mantis = ca->ca_priv; |
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mmwrite(mmread(MANTIS_GPIF_STATUS) & (~MANTIS_CARD_PLUGOUT | ~MANTIS_CARD_PLUGIN), MANTIS_GPIF_STATUS); |
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mantis_mask_ints(mantis, MANTIS_INT_IRQ0); |
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}
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