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Diffstat (limited to 'drivers/media/dvb/mantis/mantis_hif.c')
-rw-r--r--drivers/media/dvb/mantis/mantis_hif.c239
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);
-}