[deliverable/linux.git] / drivers / pcmcia / socket_sysfs.c

/*
 * socket_sysfs.c -- most of socket-related sysfs output
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * (C) 2003 - 2004		Dominik Brodowski
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/major.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/mm.h>
#include <linux/interrupt.h>
#include <linux/timer.h>
#include <linux/ioport.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/pci.h>
#include <linux/device.h>
#include <linux/mutex.h>
#include <asm/system.h>
#include <asm/irq.h>

#define IN_CARD_SERVICES
#include <pcmcia/cs_types.h>
#include <pcmcia/ss.h>
#include <pcmcia/cs.h>
#include <pcmcia/bulkmem.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/cisreg.h>
#include <pcmcia/ds.h>
#include "cs_internal.h"

#define to_socket(_dev) container_of(_dev, struct pcmcia_socket, dev)

static ssize_t pccard_show_type(struct device *dev, struct device_attribute *attr,
				char *buf)
{
	struct pcmcia_socket *s = to_socket(dev);

	if (!(s->state & SOCKET_PRESENT))
		return -ENODEV;
	if (s->state & SOCKET_CARDBUS)
		return sprintf(buf, "32-bit\n");
	return sprintf(buf, "16-bit\n");
}
static DEVICE_ATTR(card_type, 0444, pccard_show_type, NULL);

static ssize_t pccard_show_voltage(struct device *dev, struct device_attribute *attr,
				   char *buf)
{
	struct pcmcia_socket *s = to_socket(dev);

	if (!(s->state & SOCKET_PRESENT))
		return -ENODEV;
	if (s->socket.Vcc)
		return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10,
			       s->socket.Vcc % 10);
	return sprintf(buf, "X.XV\n");
}
static DEVICE_ATTR(card_voltage, 0444, pccard_show_voltage, NULL);

static ssize_t pccard_show_vpp(struct device *dev, struct device_attribute *attr,
			       char *buf)
{
	struct pcmcia_socket *s = to_socket(dev);
	if (!(s->state & SOCKET_PRESENT))
		return -ENODEV;
	return sprintf(buf, "%d.%dV\n", s->socket.Vpp / 10, s->socket.Vpp % 10);
}
static DEVICE_ATTR(card_vpp, 0444, pccard_show_vpp, NULL);

static ssize_t pccard_show_vcc(struct device *dev, struct device_attribute *attr,
			       char *buf)
{
	struct pcmcia_socket *s = to_socket(dev);
	if (!(s->state & SOCKET_PRESENT))
		return -ENODEV;
	return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, s->socket.Vcc % 10);
}
static DEVICE_ATTR(card_vcc, 0444, pccard_show_vcc, NULL);


static ssize_t pccard_store_insert(struct device *dev, struct device_attribute *attr,
				   const char *buf, size_t count)
{
	ssize_t ret;
	struct pcmcia_socket *s = to_socket(dev);

	if (!count)
		return -EINVAL;

	ret = pcmcia_insert_card(s);

	return ret ? ret : count;
}
static DEVICE_ATTR(card_insert, 0200, NULL, pccard_store_insert);


static ssize_t pccard_show_card_pm_state(struct device *dev,
					 struct device_attribute *attr,
					 char *buf)
{
	struct pcmcia_socket *s = to_socket(dev);
	return sprintf(buf, "%s\n", s->state & SOCKET_SUSPEND ? "off" : "on");
}

static ssize_t pccard_store_card_pm_state(struct device *dev,
					  struct device_attribute *attr,
					  const char *buf, size_t count)
{
	ssize_t ret = -EINVAL;
	struct pcmcia_socket *s = to_socket(dev);

	if (!count)
		return -EINVAL;

	if (!(s->state & SOCKET_SUSPEND) && !strncmp(buf, "off", 3))
		ret = pcmcia_suspend_card(s);
	else if ((s->state & SOCKET_SUSPEND) && !strncmp(buf, "on", 2))
		ret = pcmcia_resume_card(s);

	return ret ? -ENODEV : count;
}
static DEVICE_ATTR(card_pm_state, 0644, pccard_show_card_pm_state, pccard_store_card_pm_state);

static ssize_t pccard_store_eject(struct device *dev,
				  struct device_attribute *attr,
				  const char *buf, size_t count)
{
	ssize_t ret;
	struct pcmcia_socket *s = to_socket(dev);

	if (!count)
		return -EINVAL;

	ret = pcmcia_eject_card(s);

	return ret ? ret : count;
}
static DEVICE_ATTR(card_eject, 0200, NULL, pccard_store_eject);


static ssize_t pccard_show_irq_mask(struct device *dev,
				    struct device_attribute *attr,
				    char *buf)
{
	struct pcmcia_socket *s = to_socket(dev);
	return sprintf(buf, "0x%04x\n", s->irq_mask);
}

static ssize_t pccard_store_irq_mask(struct device *dev,
				     struct device_attribute *attr,
				     const char *buf, size_t count)
{
	ssize_t ret;
	struct pcmcia_socket *s = to_socket(dev);
	u32 mask;

	if (!count)
		return -EINVAL;

	ret = sscanf (buf, "0x%x\n", &mask);

	if (ret == 1) {
		s->irq_mask &= mask;
		ret = 0;
	}

	return ret ? ret : count;
}
static DEVICE_ATTR(card_irq_mask, 0600, pccard_show_irq_mask, pccard_store_irq_mask);


static ssize_t pccard_show_resource(struct device *dev,
				    struct device_attribute *attr, char *buf)
{
	struct pcmcia_socket *s = to_socket(dev);
	return sprintf(buf, "%s\n", s->resource_setup_done ? "yes" : "no");
}

static ssize_t pccard_store_resource(struct device *dev,
				     struct device_attribute *attr,
				     const char *buf, size_t count)
{
	unsigned long flags;
	struct pcmcia_socket *s = to_socket(dev);

	if (!count)
		return -EINVAL;

	spin_lock_irqsave(&s->lock, flags);
	if (!s->resource_setup_done)
		s->resource_setup_done = 1;
	spin_unlock_irqrestore(&s->lock, flags);

	mutex_lock(&s->skt_mutex);
	if ((s->callback) &&
	    (s->state & SOCKET_PRESENT) &&
	    !(s->state & SOCKET_CARDBUS)) {
		if (try_module_get(s->callback->owner)) {
			s->callback->requery(s, 0);
			module_put(s->callback->owner);
		}
	}
	mutex_unlock(&s->skt_mutex);

	return count;
}
static DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource);


static ssize_t pccard_extract_cis(struct pcmcia_socket *s, char *buf, loff_t off, size_t count)
{
	tuple_t tuple;
	int status, i;
	loff_t pointer = 0;
	ssize_t ret = 0;
	u_char *tuplebuffer;
	u_char *tempbuffer;

	tuplebuffer = kmalloc(sizeof(u_char) * 256, GFP_KERNEL);
	if (!tuplebuffer)
		return -ENOMEM;

	tempbuffer = kmalloc(sizeof(u_char) * 258, GFP_KERNEL);
	if (!tempbuffer) {
		ret = -ENOMEM;
		goto free_tuple;
	}

	memset(&tuple, 0, sizeof(tuple_t));

	tuple.Attributes = TUPLE_RETURN_LINK | TUPLE_RETURN_COMMON;
	tuple.DesiredTuple = RETURN_FIRST_TUPLE;
	tuple.TupleOffset = 0;

	status = pccard_get_first_tuple(s, BIND_FN_ALL, &tuple);
	while (!status) {
		tuple.TupleData = tuplebuffer;
		tuple.TupleDataMax = 255;
		memset(tuplebuffer, 0, sizeof(u_char) * 255);

		status = pccard_get_tuple_data(s, &tuple);
		if (status)
			break;

		if (off < (pointer + 2 + tuple.TupleDataLen)) {
			tempbuffer[0] = tuple.TupleCode & 0xff;
			tempbuffer[1] = tuple.TupleLink & 0xff;
			for (i = 0; i < tuple.TupleDataLen; i++)
				tempbuffer[i + 2] = tuplebuffer[i] & 0xff;

			for (i = 0; i < (2 + tuple.TupleDataLen); i++) {
				if (((i + pointer) >= off) &&
				    (i + pointer) < (off + count)) {
					buf[ret] = tempbuffer[i];
					ret++;
				}
			}
		}

		pointer += 2 + tuple.TupleDataLen;

		if (pointer >= (off + count))
			break;

		if (tuple.TupleCode == CISTPL_END)
			break;
		status = pccard_get_next_tuple(s, BIND_FN_ALL, &tuple);
	}

	kfree(tempbuffer);
 free_tuple:
	kfree(tuplebuffer);

	return (ret);
}

static ssize_t pccard_show_cis(struct kobject *kobj, char *buf, loff_t off, size_t count)
{
	unsigned int size = 0x200;

	if (off >= size)
		count = 0;
	else {
		struct pcmcia_socket *s;
		cisinfo_t cisinfo;

		if (off + count > size)
			count = size - off;

		s = to_socket(container_of(kobj, struct device, kobj));

		if (!(s->state & SOCKET_PRESENT))
			return -ENODEV;
		if (pccard_validate_cis(s, BIND_FN_ALL, &cisinfo))
			return -EIO;
		if (!cisinfo.Chains)
			return -ENODATA;

		count = pccard_extract_cis(s, buf, off, count);
	}

	return (count);
}

static ssize_t pccard_store_cis(struct kobject *kobj, char *buf, loff_t off, size_t count)
{
	struct pcmcia_socket *s = to_socket(container_of(kobj, struct device, kobj));
	cisdump_t *cis;
	int error;

	if (off)
		return -EINVAL;

	if (count >= 0x200)
		return -EINVAL;

	if (!(s->state & SOCKET_PRESENT))
		return -ENODEV;

	cis = kzalloc(sizeof(cisdump_t), GFP_KERNEL);
	if (!cis)
		return -ENOMEM;

	cis->Length = count + 1;
	memcpy(cis->Data, buf, count);

	error = pcmcia_replace_cis(s, cis);
	kfree(cis);
	if (error)
		return -EIO;

	mutex_lock(&s->skt_mutex);
	if ((s->callback) && (s->state & SOCKET_PRESENT) &&
	    !(s->state & SOCKET_CARDBUS)) {
		if (try_module_get(s->callback->owner)) {
			s->callback->requery(s, 1);
			module_put(s->callback->owner);
		}
	}
	mutex_unlock(&s->skt_mutex);

	return count;
}


static struct device_attribute *pccard_socket_attributes[] = {
	&dev_attr_card_type,
	&dev_attr_card_voltage,
	&dev_attr_card_vpp,
	&dev_attr_card_vcc,
	&dev_attr_card_insert,
	&dev_attr_card_pm_state,
	&dev_attr_card_eject,
	&dev_attr_card_irq_mask,
	&dev_attr_available_resources_setup_done,
	NULL,
};

static struct bin_attribute pccard_cis_attr = {
	.attr = { .name = "cis", .mode = S_IRUGO | S_IWUSR, .owner = THIS_MODULE},
	.size = 0x200,
	.read = pccard_show_cis,
	.write = pccard_store_cis,
};

static int __devinit pccard_sysfs_add_socket(struct device *dev,
					     struct class_interface *class_intf)
{
	struct device_attribute **attr;
	int ret = 0;

	for (attr = pccard_socket_attributes; *attr; attr++) {
		ret = device_create_file(dev, *attr);
		if (ret)
			break;
	}
	if (!ret)
		ret = sysfs_create_bin_file(&dev->kobj, &pccard_cis_attr);

	return ret;
}

static void __devexit pccard_sysfs_remove_socket(struct device *dev,
						 struct class_interface *class_intf)
{
	struct device_attribute **attr;

	sysfs_remove_bin_file(&dev->kobj, &pccard_cis_attr);
	for (attr = pccard_socket_attributes; *attr; attr++)
		device_remove_file(dev, *attr);
}

struct class_interface pccard_sysfs_interface = {
	.class = &pcmcia_socket_class,
	.add_dev = &pccard_sysfs_add_socket,
	.remove_dev = __devexit_p(&pccard_sysfs_remove_socket),
};
Commit	Line	Data
1da177e4 LT	1	/*
	2	* socket_sysfs.c -- most of socket-related sysfs output
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License version 2 as
	6	* published by the Free Software Foundation.
	7	*
	8	* (C) 2003 - 2004 Dominik Brodowski
	9	*/
	10
	11	#include <linux/module.h>
	12	#include <linux/moduleparam.h>
	13	#include <linux/init.h>
	14	#include <linux/kernel.h>
1da177e4 LT	15	#include <linux/string.h>
	16	#include <linux/major.h>
	17	#include <linux/errno.h>
	18	#include <linux/slab.h>
	19	#include <linux/mm.h>
	20	#include <linux/interrupt.h>
	21	#include <linux/timer.h>
	22	#include <linux/ioport.h>
	23	#include <linux/delay.h>
	24	#include <linux/pm.h>
	25	#include <linux/pci.h>
	26	#include <linux/device.h>
7fe908dd	27	#include <linux/mutex.h>
1da177e4 LT	28	#include <asm/system.h>
	29	#include <asm/irq.h>
	30
	31	#define IN_CARD_SERVICES
1da177e4 LT	32	#include <pcmcia/cs_types.h>
	33	#include <pcmcia/ss.h>
	34	#include <pcmcia/cs.h>
	35	#include <pcmcia/bulkmem.h>
	36	#include <pcmcia/cistpl.h>
	37	#include <pcmcia/cisreg.h>
	38	#include <pcmcia/ds.h>
	39	#include "cs_internal.h"
	40
	41	#define to_socket(_dev) container_of(_dev, struct pcmcia_socket, dev)
	42
87373318 GKH	43	static ssize_t pccard_show_type(struct device dev, struct device_attribute attr,
87373318 GKH	44	char *buf)
1da177e4	45	{
1da177e4 LT	46	struct pcmcia_socket *s = to_socket(dev);
	47
	48	if (!(s->state & SOCKET_PRESENT))
	49	return -ENODEV;
002dbb2d	50	if (s->state & SOCKET_CARDBUS)
1da177e4	51	return sprintf(buf, "32-bit\n");
002dbb2d	52	return sprintf(buf, "16-bit\n");
1da177e4	53	}
87373318	54	static DEVICE_ATTR(card_type, 0444, pccard_show_type, NULL);
1da177e4	55
87373318 GKH	56	static ssize_t pccard_show_voltage(struct device dev, struct device_attribute attr,
87373318 GKH	57	char *buf)
1da177e4	58	{
1da177e4 LT	59	struct pcmcia_socket *s = to_socket(dev);
	60
	61	if (!(s->state & SOCKET_PRESENT))
	62	return -ENODEV;
002dbb2d DB	63	if (s->socket.Vcc)
	64	return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10,
	65	s->socket.Vcc % 10);
	66	return sprintf(buf, "X.XV\n");
1da177e4	67	}
87373318	68	static DEVICE_ATTR(card_voltage, 0444, pccard_show_voltage, NULL);
1da177e4	69
87373318 GKH	70	static ssize_t pccard_show_vpp(struct device dev, struct device_attribute attr,
87373318 GKH	71	char *buf)
1da177e4 LT	72	{
	73	struct pcmcia_socket *s = to_socket(dev);
	74	if (!(s->state & SOCKET_PRESENT))
	75	return -ENODEV;
	76	return sprintf(buf, "%d.%dV\n", s->socket.Vpp / 10, s->socket.Vpp % 10);
	77	}
87373318	78	static DEVICE_ATTR(card_vpp, 0444, pccard_show_vpp, NULL);
1da177e4	79
87373318 GKH	80	static ssize_t pccard_show_vcc(struct device dev, struct device_attribute attr,
87373318 GKH	81	char *buf)
1da177e4 LT	82	{
	83	struct pcmcia_socket *s = to_socket(dev);
	84	if (!(s->state & SOCKET_PRESENT))
	85	return -ENODEV;
	86	return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, s->socket.Vcc % 10);
	87	}
87373318	88	static DEVICE_ATTR(card_vcc, 0444, pccard_show_vcc, NULL);
1da177e4 LT	89
1da177e4 LT	90
87373318 GKH	91	static ssize_t pccard_store_insert(struct device dev, struct device_attribute attr,
87373318 GKH	92	const char *buf, size_t count)
1da177e4 LT	93	{
	94	ssize_t ret;
	95	struct pcmcia_socket *s = to_socket(dev);
	96
	97	if (!count)
	98	return -EINVAL;
	99
	100	ret = pcmcia_insert_card(s);
	101
	102	return ret ? ret : count;
	103	}
87373318	104	static DEVICE_ATTR(card_insert, 0200, NULL, pccard_store_insert);
1da177e4	105
db1019ca	106
87373318 GKH	107	static ssize_t pccard_show_card_pm_state(struct device *dev,
	108	struct device_attribute *attr,
	109	char *buf)
db1019ca DB	110	{
	111	struct pcmcia_socket *s = to_socket(dev);
	112	return sprintf(buf, "%s\n", s->state & SOCKET_SUSPEND ? "off" : "on");
	113	}
	114
87373318 GKH	115	static ssize_t pccard_store_card_pm_state(struct device *dev,
	116	struct device_attribute *attr,
	117	const char *buf, size_t count)
db1019ca DB	118	{
	119	ssize_t ret = -EINVAL;
	120	struct pcmcia_socket *s = to_socket(dev);
	121
	122	if (!count)
	123	return -EINVAL;
	124
	125	if (!(s->state & SOCKET_SUSPEND) && !strncmp(buf, "off", 3))
	126	ret = pcmcia_suspend_card(s);
	127	else if ((s->state & SOCKET_SUSPEND) && !strncmp(buf, "on", 2))
	128	ret = pcmcia_resume_card(s);
	129
	130	return ret ? -ENODEV : count;
	131	}
87373318	132	static DEVICE_ATTR(card_pm_state, 0644, pccard_show_card_pm_state, pccard_store_card_pm_state);
db1019ca	133
87373318 GKH	134	static ssize_t pccard_store_eject(struct device *dev,
	135	struct device_attribute *attr,
	136	const char *buf, size_t count)
1da177e4 LT	137	{
	138	ssize_t ret;
	139	struct pcmcia_socket *s = to_socket(dev);
	140
	141	if (!count)
	142	return -EINVAL;
	143
	144	ret = pcmcia_eject_card(s);
	145
	146	return ret ? ret : count;
	147	}
87373318	148	static DEVICE_ATTR(card_eject, 0200, NULL, pccard_store_eject);
1da177e4 LT	149
1da177e4 LT	150
87373318 GKH	151	static ssize_t pccard_show_irq_mask(struct device *dev,
	152	struct device_attribute *attr,
	153	char *buf)
1da177e4 LT	154	{
	155	struct pcmcia_socket *s = to_socket(dev);
	156	return sprintf(buf, "0x%04x\n", s->irq_mask);
	157	}
	158
87373318 GKH	159	static ssize_t pccard_store_irq_mask(struct device *dev,
	160	struct device_attribute *attr,
	161	const char *buf, size_t count)
1da177e4 LT	162	{
	163	ssize_t ret;
	164	struct pcmcia_socket *s = to_socket(dev);
	165	u32 mask;
	166
	167	if (!count)
	168	return -EINVAL;
	169
	170	ret = sscanf (buf, "0x%x\n", &mask);
	171
	172	if (ret == 1) {
	173	s->irq_mask &= mask;
	174	ret = 0;
	175	}
	176
	177	return ret ? ret : count;
	178	}
87373318	179	static DEVICE_ATTR(card_irq_mask, 0600, pccard_show_irq_mask, pccard_store_irq_mask);
1da177e4 LT	180
1da177e4 LT	181
87373318 GKH	182	static ssize_t pccard_show_resource(struct device *dev,
87373318 GKH	183	struct device_attribute attr, char buf)
1da177e4 LT	184	{
	185	struct pcmcia_socket *s = to_socket(dev);
	186	return sprintf(buf, "%s\n", s->resource_setup_done ? "yes" : "no");
	187	}
	188
87373318 GKH	189	static ssize_t pccard_store_resource(struct device *dev,
	190	struct device_attribute *attr,
	191	const char *buf, size_t count)
1da177e4 LT	192	{
	193	unsigned long flags;
	194	struct pcmcia_socket *s = to_socket(dev);
	195
	196	if (!count)
	197	return -EINVAL;
	198
	199	spin_lock_irqsave(&s->lock, flags);
e2f0b534	200	if (!s->resource_setup_done)
1da177e4	201	s->resource_setup_done = 1;
e2f0b534	202	spin_unlock_irqrestore(&s->lock, flags);
1da177e4	203
7fe908dd	204	mutex_lock(&s->skt_mutex);
e2f0b534 DB	205	if ((s->callback) &&
	206	(s->state & SOCKET_PRESENT) &&
	207	!(s->state & SOCKET_CARDBUS)) {
	208	if (try_module_get(s->callback->owner)) {
4ae1cbf1	209	s->callback->requery(s, 0);
e2f0b534	210	module_put(s->callback->owner);
1da177e4	211	}
1da177e4	212	}
7fe908dd	213	mutex_unlock(&s->skt_mutex);
1da177e4 LT	214
	215	return count;
	216	}
87373318	217	static DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource);
1da177e4 LT	218
1da177e4 LT	219
7f299bcc DB	220	static ssize_t pccard_extract_cis(struct pcmcia_socket s, char buf, loff_t off, size_t count)
	221	{
	222	tuple_t tuple;
	223	int status, i;
	224	loff_t pointer = 0;
	225	ssize_t ret = 0;
	226	u_char *tuplebuffer;
	227	u_char *tempbuffer;
	228
	229	tuplebuffer = kmalloc(sizeof(u_char) * 256, GFP_KERNEL);
	230	if (!tuplebuffer)
	231	return -ENOMEM;
	232
	233	tempbuffer = kmalloc(sizeof(u_char) * 258, GFP_KERNEL);
	234	if (!tempbuffer) {
	235	ret = -ENOMEM;
	236	goto free_tuple;
	237	}
	238
	239	memset(&tuple, 0, sizeof(tuple_t));
	240
	241	tuple.Attributes = TUPLE_RETURN_LINK \| TUPLE_RETURN_COMMON;
	242	tuple.DesiredTuple = RETURN_FIRST_TUPLE;
	243	tuple.TupleOffset = 0;
	244
	245	status = pccard_get_first_tuple(s, BIND_FN_ALL, &tuple);
	246	while (!status) {
	247	tuple.TupleData = tuplebuffer;
	248	tuple.TupleDataMax = 255;
	249	memset(tuplebuffer, 0, sizeof(u_char) * 255);
	250
	251	status = pccard_get_tuple_data(s, &tuple);
	252	if (status)
	253	break;
	254
	255	if (off < (pointer + 2 + tuple.TupleDataLen)) {
	256	tempbuffer[0] = tuple.TupleCode & 0xff;
	257	tempbuffer[1] = tuple.TupleLink & 0xff;
	258	for (i = 0; i < tuple.TupleDataLen; i++)
	259	tempbuffer[i + 2] = tuplebuffer[i] & 0xff;
	260
	261	for (i = 0; i < (2 + tuple.TupleDataLen); i++) {
	262	if (((i + pointer) >= off) &&
	263	(i + pointer) < (off + count)) {
	264	buf[ret] = tempbuffer[i];
	265	ret++;
	266	}
	267	}
	268	}
	269
	270	pointer += 2 + tuple.TupleDataLen;
	271
	272	if (pointer >= (off + count))
	273	break;
	274
	275	if (tuple.TupleCode == CISTPL_END)
	276	break;
	277	status = pccard_get_next_tuple(s, BIND_FN_ALL, &tuple);
	278	}
	279
	280	kfree(tempbuffer);
	281	free_tuple:
	282	kfree(tuplebuffer);
	283
284	return (ret);
285	}
286
287	static ssize_t pccard_show_cis(struct kobject kobj, char buf, loff_t off, size_t count)
288	{
289	unsigned int size = 0x200;
290
291	if (off >= size)
292	count = 0;
293	else {
294	struct pcmcia_socket *s;
295	cisinfo_t cisinfo;
296
297	if (off + count > size)
298	count = size - off;
299
87373318	300	s = to_socket(container_of(kobj, struct device, kobj));
7f299bcc DB	301
	302	if (!(s->state & SOCKET_PRESENT))
	303	return -ENODEV;
	304	if (pccard_validate_cis(s, BIND_FN_ALL, &cisinfo))
	305	return -EIO;
	306	if (!cisinfo.Chains)
	307	return -ENODATA;
	308
	309	count = pccard_extract_cis(s, buf, off, count);
	310	}
	311
	312	return (count);
	313	}
	314
ff1fa9ef DB	315	static ssize_t pccard_store_cis(struct kobject kobj, char buf, loff_t off, size_t count)
ff1fa9ef DB	316	{
87373318	317	struct pcmcia_socket *s = to_socket(container_of(kobj, struct device, kobj));
ff1fa9ef	318	cisdump_t *cis;
d834c165	319	int error;
ff1fa9ef DB	320
	321	if (off)
	322	return -EINVAL;
	323
	324	if (count >= 0x200)
	325	return -EINVAL;
	326
	327	if (!(s->state & SOCKET_PRESENT))
	328	return -ENODEV;
	329
8084b372	330	cis = kzalloc(sizeof(cisdump_t), GFP_KERNEL);
ff1fa9ef DB	331	if (!cis)
ff1fa9ef DB	332	return -ENOMEM;
ff1fa9ef DB	333
	334	cis->Length = count + 1;
	335	memcpy(cis->Data, buf, count);
	336
d834c165	337	error = pcmcia_replace_cis(s, cis);
ff1fa9ef	338	kfree(cis);
d834c165 LT	339	if (error)
d834c165 LT	340	return -EIO;
ff1fa9ef	341
d834c165 LT	342	mutex_lock(&s->skt_mutex);
	343	if ((s->callback) && (s->state & SOCKET_PRESENT) &&
	344	!(s->state & SOCKET_CARDBUS)) {
	345	if (try_module_get(s->callback->owner)) {
4ae1cbf1	346	s->callback->requery(s, 1);
d834c165	347	module_put(s->callback->owner);
ff1fa9ef	348	}
ff1fa9ef	349	}
d834c165	350	mutex_unlock(&s->skt_mutex);
ff1fa9ef	351
d834c165	352	return count;
ff1fa9ef DB	353	}
ff1fa9ef DB	354
7f299bcc	355
87373318 GKH	356	static struct device_attribute *pccard_socket_attributes[] = {
	357	&dev_attr_card_type,
	358	&dev_attr_card_voltage,
	359	&dev_attr_card_vpp,
	360	&dev_attr_card_vcc,
	361	&dev_attr_card_insert,
	362	&dev_attr_card_pm_state,
	363	&dev_attr_card_eject,
	364	&dev_attr_card_irq_mask,
	365	&dev_attr_available_resources_setup_done,
1da177e4 LT	366	NULL,
	367	};
	368
7f299bcc	369	static struct bin_attribute pccard_cis_attr = {
ff1fa9ef	370	.attr = { .name = "cis", .mode = S_IRUGO \| S_IWUSR, .owner = THIS_MODULE},
7f299bcc DB	371	.size = 0x200,
7f299bcc DB	372	.read = pccard_show_cis,
ff1fa9ef	373	.write = pccard_store_cis,
7f299bcc DB	374	};
7f299bcc DB	375
87373318	376	static int __devinit pccard_sysfs_add_socket(struct device *dev,
d8539d81	377	struct class_interface *class_intf)
1da177e4	378	{
87373318	379	struct device_attribute **attr;
1da177e4 LT	380	int ret = 0;
	381
	382	for (attr = pccard_socket_attributes; *attr; attr++) {
87373318	383	ret = device_create_file(dev, *attr);
1da177e4 LT	384	if (ret)
	385	break;
	386	}
7f299bcc	387	if (!ret)
87373318	388	ret = sysfs_create_bin_file(&dev->kobj, &pccard_cis_attr);
1da177e4 LT	389
	390	return ret;
	391	}
	392
87373318	393	static void __devexit pccard_sysfs_remove_socket(struct device *dev,
d8539d81	394	struct class_interface *class_intf)
1da177e4	395	{
87373318	396	struct device_attribute **attr;
1da177e4	397
87373318	398	sysfs_remove_bin_file(&dev->kobj, &pccard_cis_attr);
1da177e4	399	for (attr = pccard_socket_attributes; *attr; attr++)
87373318	400	device_remove_file(dev, *attr);
1da177e4 LT	401	}
	402
	403	struct class_interface pccard_sysfs_interface = {
	404	.class = &pcmcia_socket_class,
87373318 GKH	405	.add_dev = &pccard_sysfs_add_socket,
87373318 GKH	406	.remove_dev = __devexit_p(&pccard_sysfs_remove_socket),
1da177e4	407	};