[mirror_ubuntu-zesty-kernel.git] / drivers / pcmcia / sa1100_generic.c

/*======================================================================

    Device driver for the PCMCIA control functionality of StrongARM
    SA-1100 microprocessors.

    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 John G. Dorsey
    <john+@cs.cmu.edu>.  Portions created by John G. Dorsey are
    Copyright (C) 1999 John G. Dorsey.  All Rights Reserved.

    Alternatively, the contents of this file may be used under the
    terms of the GNU 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/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/platform_device.h>

#include <pcmcia/cs_types.h>
#include <pcmcia/cs.h>
#include <pcmcia/ss.h>

#include <asm/hardware/scoop.h>

#include "sa1100_generic.h"

int __init pcmcia_collie_init(struct device *dev);

static int (*sa11x0_pcmcia_hw_init[])(struct device *dev) = {
#ifdef CONFIG_SA1100_ASSABET
	pcmcia_assabet_init,
#endif
#ifdef CONFIG_SA1100_CERF
	pcmcia_cerf_init,
#endif
#if defined(CONFIG_SA1100_H3100) || defined(CONFIG_SA1100_H3600)
	pcmcia_h3600_init,
#endif
#ifdef CONFIG_SA1100_SHANNON
	pcmcia_shannon_init,
#endif
#ifdef CONFIG_SA1100_SIMPAD
	pcmcia_simpad_init,
#endif
#ifdef CONFIG_SA1100_COLLIE
       pcmcia_collie_init,
#endif
};

static int sa11x0_drv_pcmcia_probe(struct platform_device *dev)
{
	int i, ret = -ENODEV;

	/*
	 * Initialise any "on-board" PCMCIA sockets.
	 */
	for (i = 0; i < ARRAY_SIZE(sa11x0_pcmcia_hw_init); i++) {
		ret = sa11x0_pcmcia_hw_init[i](&dev->dev);
		if (ret == 0)
			break;
	}

	return ret;
}

static int sa11x0_drv_pcmcia_remove(struct platform_device *dev)
{
	struct skt_dev_info *sinfo = platform_get_drvdata(dev);
	int i;

	platform_set_drvdata(dev, NULL);

	for (i = 0; i < sinfo->nskt; i++)
		soc_pcmcia_remove_one(&sinfo->skt[i]);

	kfree(sinfo);
	return 0;
}

static struct platform_driver sa11x0_pcmcia_driver = {
	.driver = {
		.name		= "sa11x0-pcmcia",
		.owner		= THIS_MODULE,
	},
	.probe		= sa11x0_drv_pcmcia_probe,
	.remove		= sa11x0_drv_pcmcia_remove,
};

/* sa11x0_pcmcia_init()
 * ^^^^^^^^^^^^^^^^^^^^
 *
 * This routine performs low-level PCMCIA initialization and then
 * registers this socket driver with Card Services.
 *
 * Returns: 0 on success, -ve error code on failure
 */
static int __init sa11x0_pcmcia_init(void)
{
	return platform_driver_register(&sa11x0_pcmcia_driver);
}

/* sa11x0_pcmcia_exit()
 * ^^^^^^^^^^^^^^^^^^^^
 * Invokes the low-level kernel service to free IRQs associated with this
 * socket controller and reset GPIO edge detection.
 */
static void __exit sa11x0_pcmcia_exit(void)
{
	platform_driver_unregister(&sa11x0_pcmcia_driver);
}

MODULE_AUTHOR("John Dorsey <john+@cs.cmu.edu>");
MODULE_DESCRIPTION("Linux PCMCIA Card Services: SA-11x0 Socket Controller");
MODULE_LICENSE("Dual MPL/GPL");

fs_initcall(sa11x0_pcmcia_init);
module_exit(sa11x0_pcmcia_exit);
Commit	Line	Data
1da177e4 LT	1	/*======================================================================
	2
	3	Device driver for the PCMCIA control functionality of StrongARM
	4	SA-1100 microprocessors.
	5
	6	The contents of this file are subject to the Mozilla Public
	7	License Version 1.1 (the "License"); you may not use this file
	8	except in compliance with the License. You may obtain a copy of
	9	the License at http://www.mozilla.org/MPL/
	10
	11	Software distributed under the License is distributed on an "AS
	12	IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
	13	implied. See the License for the specific language governing
	14	rights and limitations under the License.
	15
	16	The initial developer of the original code is John G. Dorsey
	17	<john+@cs.cmu.edu>. Portions created by John G. Dorsey are
	18	Copyright (C) 1999 John G. Dorsey. All Rights Reserved.
	19
	20	Alternatively, the contents of this file may be used under the
	21	terms of the GNU Public License version 2 (the "GPL"), in which
	22	case the provisions of the GPL are applicable instead of the
	23	above. If you wish to allow the use of your version of this file
	24	only under the terms of the GPL and not to allow others to use
	25	your version of this file under the MPL, indicate your decision
	26	by deleting the provisions above and replace them with the notice
	27	and other provisions required by the GPL. If you do not delete
	28	the provisions above, a recipient may use your version of this
	29	file under either the MPL or the GPL.
	30
	31	======================================================================*/
	32
	33	#include <linux/module.h>
	34	#include <linux/init.h>
5a0e3ad6	35	#include <linux/slab.h>
d052d1be	36	#include <linux/platform_device.h>
1da177e4	37
1da177e4 LT	38	#include <pcmcia/cs_types.h>
	39	#include <pcmcia/cs.h>
	40	#include <pcmcia/ss.h>
	41
77bb86a1 PM	42	#include <asm/hardware/scoop.h>
77bb86a1 PM	43
1da177e4 LT	44	#include "sa1100_generic.h"
1da177e4 LT	45
77bb86a1 PM	46	int __init pcmcia_collie_init(struct device *dev);
77bb86a1 PM	47
1da177e4 LT	48	static int (sa11x0_pcmcia_hw_init[])(struct device dev) = {
	49	#ifdef CONFIG_SA1100_ASSABET
	50	pcmcia_assabet_init,
	51	#endif
	52	#ifdef CONFIG_SA1100_CERF
	53	pcmcia_cerf_init,
	54	#endif
e7435f86	55	#if defined(CONFIG_SA1100_H3100) \|\| defined(CONFIG_SA1100_H3600)
1da177e4 LT	56	pcmcia_h3600_init,
	57	#endif
	58	#ifdef CONFIG_SA1100_SHANNON
	59	pcmcia_shannon_init,
	60	#endif
	61	#ifdef CONFIG_SA1100_SIMPAD
	62	pcmcia_simpad_init,
	63	#endif
77bb86a1 PM	64	#ifdef CONFIG_SA1100_COLLIE
	65	pcmcia_collie_init,
	66	#endif
1da177e4 LT	67	};
1da177e4 LT	68
7a192ec3	69	static int sa11x0_drv_pcmcia_probe(struct platform_device *dev)
1da177e4 LT	70	{
	71	int i, ret = -ENODEV;
	72
	73	/*
	74	* Initialise any "on-board" PCMCIA sockets.
	75	*/
	76	for (i = 0; i < ARRAY_SIZE(sa11x0_pcmcia_hw_init); i++) {
7a192ec3	77	ret = sa11x0_pcmcia_hw_init[i](&dev->dev);
1da177e4 LT	78	if (ret == 0)
	79	break;
	80	}
	81
	82	return ret;
	83	}
	84
7a192ec3 ML	85	static int sa11x0_drv_pcmcia_remove(struct platform_device *dev)
7a192ec3 ML	86	{
be85458e RKAL	87	struct skt_dev_info *sinfo = platform_get_drvdata(dev);
	88	int i;
	89
	90	platform_set_drvdata(dev, NULL);
	91
	92	for (i = 0; i < sinfo->nskt; i++)
	93	soc_pcmcia_remove_one(&sinfo->skt[i]);
	94
	95	kfree(sinfo);
	96	return 0;
7a192ec3 ML	97	}
7a192ec3 ML	98
7a192ec3 ML	99	static struct platform_driver sa11x0_pcmcia_driver = {
	100	.driver = {
	101	.name = "sa11x0-pcmcia",
	102	.owner = THIS_MODULE,
	103	},
1da177e4	104	.probe = sa11x0_drv_pcmcia_probe,
7a192ec3	105	.remove = sa11x0_drv_pcmcia_remove,
1da177e4 LT	106	};
	107
	108	/* sa11x0_pcmcia_init()
	109	* ^^^^^^^^^^^^^^^^^^^^
	110	*
	111	* This routine performs low-level PCMCIA initialization and then
	112	* registers this socket driver with Card Services.
	113	*
	114	* Returns: 0 on success, -ve error code on failure
	115	*/
	116	static int __init sa11x0_pcmcia_init(void)
	117	{
7a192ec3	118	return platform_driver_register(&sa11x0_pcmcia_driver);
1da177e4 LT	119	}
	120
	121	/* sa11x0_pcmcia_exit()
	122	* ^^^^^^^^^^^^^^^^^^^^
	123	* Invokes the low-level kernel service to free IRQs associated with this
	124	* socket controller and reset GPIO edge detection.
	125	*/
	126	static void __exit sa11x0_pcmcia_exit(void)
	127	{
7a192ec3	128	platform_driver_unregister(&sa11x0_pcmcia_driver);
1da177e4 LT	129	}
	130
	131	MODULE_AUTHOR("John Dorsey <john+@cs.cmu.edu>");
	132	MODULE_DESCRIPTION("Linux PCMCIA Card Services: SA-11x0 Socket Controller");
	133	MODULE_LICENSE("Dual MPL/GPL");
	134
f36598ae	135	fs_initcall(sa11x0_pcmcia_init);
1da177e4	136	module_exit(sa11x0_pcmcia_exit);