diff options
Diffstat (limited to 'drivers/media/dvb/mantis/mantis_hif.c')
-rw-r--r-- | drivers/media/dvb/mantis/mantis_hif.c | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/drivers/media/dvb/mantis/mantis_hif.c b/drivers/media/dvb/mantis/mantis_hif.c deleted file mode 100644 index 10c68df7e16..00000000000 --- a/drivers/media/dvb/mantis/mantis_hif.c +++ /dev/null @@ -1,239 +0,0 @@ -/* - 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_hif.h" -#include "mantis_link.h" /* temporary due to physical layer stuff */ - -#include "mantis_reg.h" - - -static int mantis_hif_sbuf_opdone_wait(struct mantis_ca *ca) -{ - struct mantis_pci *mantis = ca->ca_priv; - int rc = 0; - - if (wait_event_timeout(ca->hif_opdone_wq, - ca->hif_event & MANTIS_SBUF_OPDONE, - msecs_to_jiffies(500)) == -ERESTARTSYS) { - - dprintk(MANTIS_ERROR, 1, "Adapter(%d) Slot(0): Smart buffer operation timeout !", mantis->num); - rc = -EREMOTEIO; - } - dprintk(MANTIS_DEBUG, 1, "Smart Buffer Operation complete"); - ca->hif_event &= ~MANTIS_SBUF_OPDONE; - return rc; -} - -static int mantis_hif_write_wait(struct mantis_ca *ca) -{ - struct mantis_pci *mantis = ca->ca_priv; - u32 opdone = 0, timeout = 0; - int rc = 0; - - if (wait_event_timeout(ca->hif_write_wq, - mantis->gpif_status & MANTIS_GPIF_WRACK, - msecs_to_jiffies(500)) == -ERESTARTSYS) { - - dprintk(MANTIS_ERROR, 1, "Adapter(%d) Slot(0): Write ACK timed out !", mantis->num); - rc = -EREMOTEIO; - } - dprintk(MANTIS_DEBUG, 1, "Write Acknowledged"); - mantis->gpif_status &= ~MANTIS_GPIF_WRACK; - while (!opdone) { - opdone = (mmread(MANTIS_GPIF_STATUS) & MANTIS_SBUF_OPDONE); - udelay(500); - timeout++; - if (timeout > 100) { - dprintk(MANTIS_ERROR, 1, "Adapter(%d) Slot(0): Write operation timed out!", mantis->num); - rc = -ETIMEDOUT; - break; - } - } - dprintk(MANTIS_DEBUG, 1, "HIF Write success"); - return rc; -} - - -int mantis_hif_read_mem(struct mantis_ca *ca, u32 addr) -{ - struct mantis_pci *mantis = ca->ca_priv; - u32 hif_addr = 0, data, count = 4; - - dprintk(MANTIS_DEBUG, 1, "Adapter(%d) Slot(0): Request HIF Mem Read", mantis->num); - mutex_lock(&ca->ca_lock); - hif_addr &= ~MANTIS_GPIF_PCMCIAREG; - hif_addr &= ~MANTIS_GPIF_PCMCIAIOM; - hif_addr |= MANTIS_HIF_STATUS; - hif_addr |= addr; - - mmwrite(hif_addr, MANTIS_GPIF_BRADDR); - mmwrite(count, MANTIS_GPIF_BRBYTES); - udelay(20); - mmwrite(hif_addr | MANTIS_GPIF_HIFRDWRN, MANTIS_GPIF_ADDR); - - if (mantis_hif_sbuf_opdone_wait(ca) != 0) { - dprintk(MANTIS_ERROR, 1, "Adapter(%d) Slot(0): GPIF Smart Buffer operation failed", mantis->num); - mutex_unlock(&ca->ca_lock); - return -EREMOTEIO; - } - data = mmread(MANTIS_GPIF_DIN); - mutex_unlock(&ca->ca_lock); - dprintk(MANTIS_DEBUG, 1, "Mem Read: 0x%02x", data); - return (data >> 24) & 0xff; -} - -int mantis_hif_write_mem(struct mantis_ca *ca, u32 addr, u8 data) -{ - struct mantis_slot *slot = ca->slot; - struct mantis_pci *mantis = ca->ca_priv; - u32 hif_addr = 0; - - dprintk(MANTIS_DEBUG, 1, "Adapter(%d) Slot(0): Request HIF Mem Write", mantis->num); - mutex_lock(&ca->ca_lock); - hif_addr &= ~MANTIS_GPIF_HIFRDWRN; - hif_addr &= ~MANTIS_GPIF_PCMCIAREG; - hif_addr &= ~MANTIS_GPIF_PCMCIAIOM; - hif_addr |= MANTIS_HIF_STATUS; - hif_addr |= addr; - - mmwrite(slot->slave_cfg, MANTIS_GPIF_CFGSLA); /* Slot0 alone for now */ - mmwrite(hif_addr, MANTIS_GPIF_ADDR); - mmwrite(data, MANTIS_GPIF_DOUT); - - if (mantis_hif_write_wait(ca) != 0) { - dprintk(MANTIS_ERROR, 1, "Adapter(%d) Slot(0): HIF Smart Buffer operation failed", mantis->num); - mutex_unlock(&ca->ca_lock); - return -EREMOTEIO; - } - dprintk(MANTIS_DEBUG, 1, "Mem Write: (0x%02x to 0x%02x)", data, addr); - mutex_unlock(&ca->ca_lock); - - return 0; -} - -int mantis_hif_read_iom(struct mantis_ca *ca, u32 addr) -{ - struct mantis_pci *mantis = ca->ca_priv; - u32 data, hif_addr = 0; - - dprintk(MANTIS_DEBUG, 1, "Adapter(%d) Slot(0): Request HIF I/O Read", mantis->num); - mutex_lock(&ca->ca_lock); - hif_addr &= ~MANTIS_GPIF_PCMCIAREG; - hif_addr |= MANTIS_GPIF_PCMCIAIOM; - hif_addr |= MANTIS_HIF_STATUS; - hif_addr |= addr; - - mmwrite(hif_addr, MANTIS_GPIF_BRADDR); - mmwrite(1, MANTIS_GPIF_BRBYTES); - udelay(20); - mmwrite(hif_addr | MANTIS_GPIF_HIFRDWRN, MANTIS_GPIF_ADDR); - - if (mantis_hif_sbuf_opdone_wait(ca) != 0) { - dprintk(MANTIS_ERROR, 1, "Adapter(%d) Slot(0): HIF Smart Buffer operation failed", mantis->num); - mutex_unlock(&ca->ca_lock); - return -EREMOTEIO; - } - data = mmread(MANTIS_GPIF_DIN); - dprintk(MANTIS_DEBUG, 1, "I/O Read: 0x%02x", data); - udelay(50); - mutex_unlock(&ca->ca_lock); - - return (u8) data; -} - -int mantis_hif_write_iom(struct mantis_ca *ca, u32 addr, u8 data) -{ - struct mantis_pci *mantis = ca->ca_priv; - u32 hif_addr = 0; - - dprintk(MANTIS_DEBUG, 1, "Adapter(%d) Slot(0): Request HIF I/O Write", mantis->num); - mutex_lock(&ca->ca_lock); - hif_addr &= ~MANTIS_GPIF_PCMCIAREG; - hif_addr &= ~MANTIS_GPIF_HIFRDWRN; - hif_addr |= MANTIS_GPIF_PCMCIAIOM; - hif_addr |= MANTIS_HIF_STATUS; - hif_addr |= addr; - - mmwrite(hif_addr, MANTIS_GPIF_ADDR); - mmwrite(data, MANTIS_GPIF_DOUT); - - if (mantis_hif_write_wait(ca) != 0) { - dprintk(MANTIS_ERROR, 1, "Adapter(%d) Slot(0): HIF Smart Buffer operation failed", mantis->num); - mutex_unlock(&ca->ca_lock); - return -EREMOTEIO; - } - dprintk(MANTIS_DEBUG, 1, "I/O Write: (0x%02x to 0x%02x)", data, addr); - mutex_unlock(&ca->ca_lock); - udelay(50); - - return 0; -} - -int mantis_hif_init(struct mantis_ca *ca) -{ - struct mantis_slot *slot = ca->slot; - struct mantis_pci *mantis = ca->ca_priv; - u32 irqcfg; - - slot[0].slave_cfg = 0x70773028; - dprintk(MANTIS_ERROR, 1, "Adapter(%d) Initializing Mantis Host Interface", mantis->num); - - mutex_lock(&ca->ca_lock); - irqcfg = mmread(MANTIS_GPIF_IRQCFG); - irqcfg = MANTIS_MASK_BRRDY | - MANTIS_MASK_WRACK | - MANTIS_MASK_EXTIRQ | - MANTIS_MASK_WSTO | - MANTIS_MASK_OTHERR | - MANTIS_MASK_OVFLW; - - mmwrite(irqcfg, MANTIS_GPIF_IRQCFG); - mutex_unlock(&ca->ca_lock); - - return 0; -} - -void mantis_hif_exit(struct mantis_ca *ca) -{ - struct mantis_pci *mantis = ca->ca_priv; - u32 irqcfg; - - dprintk(MANTIS_ERROR, 1, "Adapter(%d) Exiting Mantis Host Interface", mantis->num); - mutex_lock(&ca->ca_lock); - irqcfg = mmread(MANTIS_GPIF_IRQCFG); - irqcfg &= ~MANTIS_MASK_BRRDY; - mmwrite(irqcfg, MANTIS_GPIF_IRQCFG); - mutex_unlock(&ca->ca_lock); -} |