[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>

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