[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/device.h>
#include <linux/mutex.h>
#include <asm/system.h>
#include <asm/irq.h>

#include <pcmcia/cs_types.h>
#include <pcmcia/ss.h>
#include <pcmcia/cs.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,
			       struct bin_attribute *bin_attr,
			       char *buf, loff_t off, size_t count)
{
	unsigned int size = 0x200;

	if (off >= size)
		count = 0;
	else {
		struct pcmcia_socket *s;
		unsigned int chains;

		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, &chains))
			return -EIO;
		if (!chains)
			return -ENODATA;

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

	return (count);
}

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

	if (off)
		return -EINVAL;

	if (count >= CISTPL_MAX_CIS_SIZE)
		return -EINVAL;

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

	error = pcmcia_replace_cis(s, buf, count);
	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 attribute *pccard_socket_attributes[] = {
	&dev_attr_card_type.attr,
	&dev_attr_card_voltage.attr,
	&dev_attr_card_vpp.attr,
	&dev_attr_card_vcc.attr,
	&dev_attr_card_insert.attr,
	&dev_attr_card_pm_state.attr,
	&dev_attr_card_eject.attr,
	&dev_attr_card_irq_mask.attr,
	&dev_attr_available_resources_setup_done.attr,
	NULL,
};

static const struct attribute_group socket_attrs = {
	.attrs = pccard_socket_attributes,
};

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

int pccard_sysfs_add_socket(struct device *dev)
{
	int ret = 0;

	ret = sysfs_create_group(&dev->kobj, &socket_attrs);
	if (!ret) {
		ret = sysfs_create_bin_file(&dev->kobj, &pccard_cis_attr);
		if (ret)
			sysfs_remove_group(&dev->kobj, &socket_attrs);
	}
	return ret;
}

void pccard_sysfs_remove_socket(struct device *dev)
{
	sysfs_remove_bin_file(&dev->kobj, &pccard_cis_attr);
	sysfs_remove_group(&dev->kobj, &socket_attrs);
}
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>
1da177e4	25	#include <linux/device.h>
7fe908dd	26	#include <linux/mutex.h>
1da177e4 LT	27	#include <asm/system.h>
	28	#include <asm/irq.h>
	29
1da177e4 LT	30	#include <pcmcia/cs_types.h>
	31	#include <pcmcia/ss.h>
	32	#include <pcmcia/cs.h>
1da177e4 LT	33	#include <pcmcia/cistpl.h>
	34	#include <pcmcia/cisreg.h>
	35	#include <pcmcia/ds.h>
	36	#include "cs_internal.h"
	37
	38	#define to_socket(_dev) container_of(_dev, struct pcmcia_socket, dev)
	39
87373318 GKH	40	static ssize_t pccard_show_type(struct device dev, struct device_attribute attr,
87373318 GKH	41	char *buf)
1da177e4	42	{
1da177e4 LT	43	struct pcmcia_socket *s = to_socket(dev);
	44
	45	if (!(s->state & SOCKET_PRESENT))
	46	return -ENODEV;
002dbb2d	47	if (s->state & SOCKET_CARDBUS)
1da177e4	48	return sprintf(buf, "32-bit\n");
002dbb2d	49	return sprintf(buf, "16-bit\n");
1da177e4	50	}
87373318	51	static DEVICE_ATTR(card_type, 0444, pccard_show_type, NULL);
1da177e4	52
87373318 GKH	53	static ssize_t pccard_show_voltage(struct device dev, struct device_attribute attr,
87373318 GKH	54	char *buf)
1da177e4	55	{
1da177e4 LT	56	struct pcmcia_socket *s = to_socket(dev);
	57
	58	if (!(s->state & SOCKET_PRESENT))
	59	return -ENODEV;
002dbb2d DB	60	if (s->socket.Vcc)
	61	return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10,
	62	s->socket.Vcc % 10);
	63	return sprintf(buf, "X.XV\n");
1da177e4	64	}
87373318	65	static DEVICE_ATTR(card_voltage, 0444, pccard_show_voltage, NULL);
1da177e4	66
87373318 GKH	67	static ssize_t pccard_show_vpp(struct device dev, struct device_attribute attr,
87373318 GKH	68	char *buf)
1da177e4 LT	69	{
	70	struct pcmcia_socket *s = to_socket(dev);
	71	if (!(s->state & SOCKET_PRESENT))
	72	return -ENODEV;
	73	return sprintf(buf, "%d.%dV\n", s->socket.Vpp / 10, s->socket.Vpp % 10);
	74	}
87373318	75	static DEVICE_ATTR(card_vpp, 0444, pccard_show_vpp, NULL);
1da177e4	76
87373318 GKH	77	static ssize_t pccard_show_vcc(struct device dev, struct device_attribute attr,
87373318 GKH	78	char *buf)
1da177e4 LT	79	{
	80	struct pcmcia_socket *s = to_socket(dev);
	81	if (!(s->state & SOCKET_PRESENT))
	82	return -ENODEV;
	83	return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, s->socket.Vcc % 10);
	84	}
87373318	85	static DEVICE_ATTR(card_vcc, 0444, pccard_show_vcc, NULL);
1da177e4 LT	86
1da177e4 LT	87
87373318 GKH	88	static ssize_t pccard_store_insert(struct device dev, struct device_attribute attr,
87373318 GKH	89	const char *buf, size_t count)
1da177e4 LT	90	{
	91	ssize_t ret;
	92	struct pcmcia_socket *s = to_socket(dev);
	93
	94	if (!count)
	95	return -EINVAL;
	96
	97	ret = pcmcia_insert_card(s);
	98
	99	return ret ? ret : count;
	100	}
87373318	101	static DEVICE_ATTR(card_insert, 0200, NULL, pccard_store_insert);
1da177e4	102
db1019ca	103
87373318 GKH	104	static ssize_t pccard_show_card_pm_state(struct device *dev,
	105	struct device_attribute *attr,
	106	char *buf)
db1019ca DB	107	{
	108	struct pcmcia_socket *s = to_socket(dev);
	109	return sprintf(buf, "%s\n", s->state & SOCKET_SUSPEND ? "off" : "on");
	110	}
	111
87373318 GKH	112	static ssize_t pccard_store_card_pm_state(struct device *dev,
	113	struct device_attribute *attr,
	114	const char *buf, size_t count)
db1019ca DB	115	{
	116	ssize_t ret = -EINVAL;
	117	struct pcmcia_socket *s = to_socket(dev);
	118
	119	if (!count)
	120	return -EINVAL;
	121
	122	if (!(s->state & SOCKET_SUSPEND) && !strncmp(buf, "off", 3))
	123	ret = pcmcia_suspend_card(s);
	124	else if ((s->state & SOCKET_SUSPEND) && !strncmp(buf, "on", 2))
	125	ret = pcmcia_resume_card(s);
	126
	127	return ret ? -ENODEV : count;
	128	}
87373318	129	static DEVICE_ATTR(card_pm_state, 0644, pccard_show_card_pm_state, pccard_store_card_pm_state);
db1019ca	130
87373318 GKH	131	static ssize_t pccard_store_eject(struct device *dev,
	132	struct device_attribute *attr,
	133	const char *buf, size_t count)
1da177e4 LT	134	{
	135	ssize_t ret;
	136	struct pcmcia_socket *s = to_socket(dev);
	137
	138	if (!count)
	139	return -EINVAL;
	140
	141	ret = pcmcia_eject_card(s);
	142
	143	return ret ? ret : count;
	144	}
87373318	145	static DEVICE_ATTR(card_eject, 0200, NULL, pccard_store_eject);
1da177e4 LT	146
1da177e4 LT	147
87373318 GKH	148	static ssize_t pccard_show_irq_mask(struct device *dev,
	149	struct device_attribute *attr,
	150	char *buf)
1da177e4 LT	151	{
	152	struct pcmcia_socket *s = to_socket(dev);
	153	return sprintf(buf, "0x%04x\n", s->irq_mask);
	154	}
	155
87373318 GKH	156	static ssize_t pccard_store_irq_mask(struct device *dev,
	157	struct device_attribute *attr,
	158	const char *buf, size_t count)
1da177e4 LT	159	{
	160	ssize_t ret;
	161	struct pcmcia_socket *s = to_socket(dev);
	162	u32 mask;
	163
	164	if (!count)
	165	return -EINVAL;
	166
	167	ret = sscanf (buf, "0x%x\n", &mask);
	168
	169	if (ret == 1) {
	170	s->irq_mask &= mask;
	171	ret = 0;
	172	}
	173
	174	return ret ? ret : count;
	175	}
87373318	176	static DEVICE_ATTR(card_irq_mask, 0600, pccard_show_irq_mask, pccard_store_irq_mask);
1da177e4 LT	177
1da177e4 LT	178
87373318 GKH	179	static ssize_t pccard_show_resource(struct device *dev,
87373318 GKH	180	struct device_attribute attr, char buf)
1da177e4 LT	181	{
	182	struct pcmcia_socket *s = to_socket(dev);
	183	return sprintf(buf, "%s\n", s->resource_setup_done ? "yes" : "no");
	184	}
	185
87373318 GKH	186	static ssize_t pccard_store_resource(struct device *dev,
	187	struct device_attribute *attr,
	188	const char *buf, size_t count)
1da177e4 LT	189	{
	190	unsigned long flags;
	191	struct pcmcia_socket *s = to_socket(dev);
	192
	193	if (!count)
	194	return -EINVAL;
	195
	196	spin_lock_irqsave(&s->lock, flags);
e2f0b534	197	if (!s->resource_setup_done)
1da177e4	198	s->resource_setup_done = 1;
e2f0b534	199	spin_unlock_irqrestore(&s->lock, flags);
1da177e4	200
7fe908dd	201	mutex_lock(&s->skt_mutex);
e2f0b534 DB	202	if ((s->callback) &&
	203	(s->state & SOCKET_PRESENT) &&
	204	!(s->state & SOCKET_CARDBUS)) {
	205	if (try_module_get(s->callback->owner)) {
4ae1cbf1	206	s->callback->requery(s, 0);
e2f0b534	207	module_put(s->callback->owner);
1da177e4	208	}
1da177e4	209	}
7fe908dd	210	mutex_unlock(&s->skt_mutex);
1da177e4 LT	211
	212	return count;
	213	}
87373318	214	static DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource);
1da177e4 LT	215
1da177e4 LT	216
7f299bcc DB	217	static ssize_t pccard_extract_cis(struct pcmcia_socket s, char buf, loff_t off, size_t count)
	218	{
	219	tuple_t tuple;
	220	int status, i;
	221	loff_t pointer = 0;
	222	ssize_t ret = 0;
	223	u_char *tuplebuffer;
	224	u_char *tempbuffer;
	225
	226	tuplebuffer = kmalloc(sizeof(u_char) * 256, GFP_KERNEL);
	227	if (!tuplebuffer)
	228	return -ENOMEM;
	229
	230	tempbuffer = kmalloc(sizeof(u_char) * 258, GFP_KERNEL);
	231	if (!tempbuffer) {
	232	ret = -ENOMEM;
	233	goto free_tuple;
	234	}
	235
	236	memset(&tuple, 0, sizeof(tuple_t));
	237
	238	tuple.Attributes = TUPLE_RETURN_LINK \| TUPLE_RETURN_COMMON;
	239	tuple.DesiredTuple = RETURN_FIRST_TUPLE;
	240	tuple.TupleOffset = 0;
	241
	242	status = pccard_get_first_tuple(s, BIND_FN_ALL, &tuple);
	243	while (!status) {
	244	tuple.TupleData = tuplebuffer;
	245	tuple.TupleDataMax = 255;
	246	memset(tuplebuffer, 0, sizeof(u_char) * 255);
	247
	248	status = pccard_get_tuple_data(s, &tuple);
	249	if (status)
	250	break;
	251
	252	if (off < (pointer + 2 + tuple.TupleDataLen)) {
	253	tempbuffer[0] = tuple.TupleCode & 0xff;
	254	tempbuffer[1] = tuple.TupleLink & 0xff;
	255	for (i = 0; i < tuple.TupleDataLen; i++)
	256	tempbuffer[i + 2] = tuplebuffer[i] & 0xff;
	257
	258	for (i = 0; i < (2 + tuple.TupleDataLen); i++) {
	259	if (((i + pointer) >= off) &&
	260	(i + pointer) < (off + count)) {
	261	buf[ret] = tempbuffer[i];
	262	ret++;
	263	}
	264	}
	265	}
	266
	267	pointer += 2 + tuple.TupleDataLen;
	268
	269	if (pointer >= (off + count))
	270	break;
	271
	272	if (tuple.TupleCode == CISTPL_END)
	273	break;
	274	status = pccard_get_next_tuple(s, BIND_FN_ALL, &tuple);
	275	}
	276
	277	kfree(tempbuffer);
	278	free_tuple:
	279	kfree(tuplebuffer);
	280
281	return (ret);
282	}
283
91a69029 ZR	284	static ssize_t pccard_show_cis(struct kobject *kobj,
	285	struct bin_attribute *bin_attr,
	286	char *buf, loff_t off, size_t count)
7f299bcc DB	287	{
	288	unsigned int size = 0x200;
	289
	290	if (off >= size)
	291	count = 0;
	292	else {
	293	struct pcmcia_socket *s;
c5081d5f	294	unsigned int chains;
7f299bcc DB	295
	296	if (off + count > size)
	297	count = size - off;
	298
87373318	299	s = to_socket(container_of(kobj, struct device, kobj));
7f299bcc DB	300
	301	if (!(s->state & SOCKET_PRESENT))
	302	return -ENODEV;
c5081d5f	303	if (pccard_validate_cis(s, BIND_FN_ALL, &chains))
7f299bcc	304	return -EIO;
c5081d5f	305	if (!chains)
7f299bcc DB	306	return -ENODATA;
	307
	308	count = pccard_extract_cis(s, buf, off, count);
	309	}
	310
	311	return (count);
	312	}
	313
91a69029 ZR	314	static ssize_t pccard_store_cis(struct kobject *kobj,
	315	struct bin_attribute *bin_attr,
	316	char *buf, loff_t off, size_t count)
ff1fa9ef	317	{
87373318	318	struct pcmcia_socket *s = to_socket(container_of(kobj, struct device, kobj));
d834c165	319	int error;
ff1fa9ef DB	320
	321	if (off)
	322	return -EINVAL;
	323
53efec95	324	if (count >= CISTPL_MAX_CIS_SIZE)
ff1fa9ef DB	325	return -EINVAL;
	326
	327	if (!(s->state & SOCKET_PRESENT))
	328	return -ENODEV;
	329
53efec95	330	error = pcmcia_replace_cis(s, buf, count);
d834c165 LT	331	if (error)
d834c165 LT	332	return -EIO;
ff1fa9ef	333
d834c165 LT	334	mutex_lock(&s->skt_mutex);
	335	if ((s->callback) && (s->state & SOCKET_PRESENT) &&
	336	!(s->state & SOCKET_CARDBUS)) {
	337	if (try_module_get(s->callback->owner)) {
4ae1cbf1	338	s->callback->requery(s, 1);
d834c165	339	module_put(s->callback->owner);
ff1fa9ef	340	}
ff1fa9ef	341	}
d834c165	342	mutex_unlock(&s->skt_mutex);
ff1fa9ef	343
d834c165	344	return count;
ff1fa9ef DB	345	}
ff1fa9ef DB	346
7f299bcc	347
4356d73d DB	348	static struct attribute *pccard_socket_attributes[] = {
	349	&dev_attr_card_type.attr,
	350	&dev_attr_card_voltage.attr,
	351	&dev_attr_card_vpp.attr,
	352	&dev_attr_card_vcc.attr,
	353	&dev_attr_card_insert.attr,
	354	&dev_attr_card_pm_state.attr,
	355	&dev_attr_card_eject.attr,
	356	&dev_attr_card_irq_mask.attr,
	357	&dev_attr_available_resources_setup_done.attr,
1da177e4 LT	358	NULL,
	359	};
	360
4356d73d DB	361	static const struct attribute_group socket_attrs = {
	362	.attrs = pccard_socket_attributes,
	363	};
	364
7f299bcc	365	static struct bin_attribute pccard_cis_attr = {
7b595756	366	.attr = { .name = "cis", .mode = S_IRUGO \| S_IWUSR },
7f299bcc DB	367	.size = 0x200,
7f299bcc DB	368	.read = pccard_show_cis,
ff1fa9ef	369	.write = pccard_store_cis,
7f299bcc DB	370	};
7f299bcc DB	371
4356d73d	372	int pccard_sysfs_add_socket(struct device *dev)
1da177e4	373	{
1da177e4 LT	374	int ret = 0;
1da177e4 LT	375
4356d73d DB	376	ret = sysfs_create_group(&dev->kobj, &socket_attrs);
	377	if (!ret) {
	378	ret = sysfs_create_bin_file(&dev->kobj, &pccard_cis_attr);
1da177e4	379	if (ret)
4356d73d	380	sysfs_remove_group(&dev->kobj, &socket_attrs);
1da177e4	381	}
1da177e4 LT	382	return ret;
	383	}
	384
4356d73d	385	void pccard_sysfs_remove_socket(struct device *dev)
1da177e4	386	{
87373318	387	sysfs_remove_bin_file(&dev->kobj, &pccard_cis_attr);
4356d73d	388	sysfs_remove_group(&dev->kobj, &socket_attrs);
1da177e4	389	}