Revision 3b120ab76225592e9c267086fa4dfa3ce5a075fe authored by Linus Torvalds on 01 December 2011, 19:53:54 UTC, committed by Linus Torvalds on 01 December 2011, 19:53:54 UTC
* 'fixes' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm: ARM: 7182/1: ARM cpu topology: fix warning ARM: 7181/1: Restrict kprobes probing SWP instructions to ARMv5 and below ARM: 7180/1: Change kprobes testcase with unpredictable STRD instruction ARM: 7177/1: GIC: avoid skipping non-existent PPIs in irq_start calculation ARM: 7176/1: cpu_pm: register GIC PM notifier only once ARM: 7175/1: add subname parameter to mfp_set_groupg callers ARM: 7174/1: Fix build error in kprobes test code on Thumb2 kernels ARM: 7172/1: dma: Drop GFP_COMP for DMA memory allocations ARM: 7171/1: unwind: add unwind directives to bitops assembly macros ARM: 7170/2: fix compilation breakage in entry-armv.S ARM: 7168/1: use cache type functions for arch_get_unmapped_area ARM: perf: check that we have a platform device when reserving PMU ARM: 7166/1: Use PMD_SHIFT instead of PGDIR_SHIFT in dma-consistent.c ARM: 7165/2: PL330: Fix typo in _prepare_ccr() ARM: 7163/2: PL330: Only register usable channels ARM: 7162/1: errata: tidy up Kconfig options for PL310 errata workarounds ARM: 7161/1: errata: no automatic store buffer drain ARM: perf: initialise used_mask for fake PMU during validation ARM: PMU: remove pmu_init declaration ARM: PMU: re-export release_pmu symbol to modules
parport_cs.c
/*======================================================================
A driver for PCMCIA parallel port adapters
(specifically, for the Quatech SPP-100 EPP card: other cards will
probably require driver tweaks)
parport_cs.c 1.29 2002/10/11 06:57:41
The contents of this file are subject to the Mozilla Public
License Version 1.1 (the "License"); you may not use this file
except in compliance with the License. You may obtain a copy of
the License at http://www.mozilla.org/MPL/
Software distributed under the License is distributed on an "AS
IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
implied. See the License for the specific language governing
rights and limitations under the License.
The initial developer of the original code is David A. Hinds
<dahinds@users.sourceforge.net>. Portions created by David A. Hinds
are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
Alternatively, the contents of this file may be used under the
terms of the GNU General Public License version 2 (the "GPL"), in
which case the provisions of the GPL are applicable instead of the
above. If you wish to allow the use of your version of this file
only under the terms of the GPL and not to allow others to use
your version of this file under the MPL, indicate your decision
by deleting the provisions above and replace them with the notice
and other provisions required by the GPL. If you do not delete
the provisions above, a recipient may use your version of this
file under either the MPL or the GPL.
======================================================================*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/ptrace.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/timer.h>
#include <linux/ioport.h>
#include <linux/major.h>
#include <linux/interrupt.h>
#include <linux/parport.h>
#include <linux/parport_pc.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/ds.h>
#include <pcmcia/cisreg.h>
#include <pcmcia/ciscode.h>
/*====================================================================*/
/* Module parameters */
MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>");
MODULE_DESCRIPTION("PCMCIA parallel port card driver");
MODULE_LICENSE("Dual MPL/GPL");
#define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0)
INT_MODULE_PARM(epp_mode, 1);
/*====================================================================*/
#define FORCE_EPP_MODE 0x08
typedef struct parport_info_t {
struct pcmcia_device *p_dev;
int ndev;
struct parport *port;
} parport_info_t;
static void parport_detach(struct pcmcia_device *p_dev);
static int parport_config(struct pcmcia_device *link);
static void parport_cs_release(struct pcmcia_device *);
static int parport_probe(struct pcmcia_device *link)
{
parport_info_t *info;
dev_dbg(&link->dev, "parport_attach()\n");
/* Create new parport device */
info = kzalloc(sizeof(*info), GFP_KERNEL);
if (!info) return -ENOMEM;
link->priv = info;
info->p_dev = link;
link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO;
return parport_config(link);
} /* parport_attach */
static void parport_detach(struct pcmcia_device *link)
{
dev_dbg(&link->dev, "parport_detach\n");
parport_cs_release(link);
kfree(link->priv);
} /* parport_detach */
static int parport_config_check(struct pcmcia_device *p_dev, void *priv_data)
{
p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8;
p_dev->resource[1]->flags &= ~IO_DATA_PATH_WIDTH;
p_dev->resource[1]->flags |= IO_DATA_PATH_WIDTH_8;
return pcmcia_request_io(p_dev);
}
static int parport_config(struct pcmcia_device *link)
{
parport_info_t *info = link->priv;
struct parport *p;
int ret;
dev_dbg(&link->dev, "parport_config\n");
if (epp_mode)
link->config_index |= FORCE_EPP_MODE;
ret = pcmcia_loop_config(link, parport_config_check, NULL);
if (ret)
goto failed;
if (!link->irq)
goto failed;
ret = pcmcia_enable_device(link);
if (ret)
goto failed;
p = parport_pc_probe_port(link->resource[0]->start,
link->resource[1]->start,
link->irq, PARPORT_DMA_NONE,
&link->dev, IRQF_SHARED);
if (p == NULL) {
printk(KERN_NOTICE "parport_cs: parport_pc_probe_port() at "
"0x%3x, irq %u failed\n",
(unsigned int) link->resource[0]->start,
link->irq);
goto failed;
}
p->modes |= PARPORT_MODE_PCSPP;
if (epp_mode)
p->modes |= PARPORT_MODE_TRISTATE | PARPORT_MODE_EPP;
info->ndev = 1;
info->port = p;
return 0;
failed:
parport_cs_release(link);
return -ENODEV;
} /* parport_config */
static void parport_cs_release(struct pcmcia_device *link)
{
parport_info_t *info = link->priv;
dev_dbg(&link->dev, "parport_release\n");
if (info->ndev) {
struct parport *p = info->port;
parport_pc_unregister_port(p);
}
info->ndev = 0;
pcmcia_disable_device(link);
} /* parport_cs_release */
static const struct pcmcia_device_id parport_ids[] = {
PCMCIA_DEVICE_FUNC_ID(3),
PCMCIA_MFC_DEVICE_PROD_ID12(1,"Elan","Serial+Parallel Port: SP230",0x3beb8cf2,0xdb9e58bc),
PCMCIA_DEVICE_MANF_CARD(0x0137, 0x0003),
PCMCIA_DEVICE_NULL
};
MODULE_DEVICE_TABLE(pcmcia, parport_ids);
static struct pcmcia_driver parport_cs_driver = {
.owner = THIS_MODULE,
.name = "parport_cs",
.probe = parport_probe,
.remove = parport_detach,
.id_table = parport_ids,
};
static int __init init_parport_cs(void)
{
return pcmcia_register_driver(&parport_cs_driver);
}
static void __exit exit_parport_cs(void)
{
pcmcia_unregister_driver(&parport_cs_driver);
}
module_init(init_parport_cs);
module_exit(exit_parport_cs);
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