forked from Minki/linux
a96762da0c
The embedded UART is apparently used to receive decoded IR (RC5?) codes. Forward these scan codes to the RC framework and (where known) add corresponding mapping tables to translate them into regular keys. This patch has been tested on a TechniSat CableStar HD2. The mappings of other rc-maps were taken from Christoph Pinkl's patch (http://patchwork.linuxtv.org/patch/7217/) and the s2-liplianin repository. The major difference to Christoph's patch is a reworked interrupt handling of the UART because the RX interrupt is apparently level triggered and requires masking until the FIFO is read by the UART worker. Signed-off-by: Jan Klötzke <jan@kloetzke.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
122 lines
3.4 KiB
C
122 lines
3.4 KiB
C
/*
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Mantis PCI bridge driver
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Copyright (C) Manu Abraham (abraham.manu@gmail.com)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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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 "dmxdev.h"
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#include "dvbdev.h"
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#include "dvb_demux.h"
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#include "dvb_frontend.h"
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#include "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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