[net-next-2.6.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/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/ss.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)
{
	struct pcmcia_socket *s = to_socket(dev);

	if (!count)
		return -EINVAL;

	pcmcia_parse_uevents(s, PCMCIA_UEVENT_INSERT);

	return 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)
{
	struct pcmcia_socket *s = to_socket(dev);
	ssize_t ret = count;

	if (!count)
		return -EINVAL;

	if (!strncmp(buf, "off", 3))
		pcmcia_parse_uevents(s, PCMCIA_UEVENT_SUSPEND);
	else {
		if (!strncmp(buf, "on", 2))
			pcmcia_parse_uevents(s, PCMCIA_UEVENT_RESUME);
		else
			ret = -EINVAL;
	}

	return ret;
}
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)
{
	struct pcmcia_socket *s = to_socket(dev);

	if (!count)
		return -EINVAL;

	pcmcia_parse_uevents(s, PCMCIA_UEVENT_EJECT);

	return 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) {
		mutex_lock(&s->ops_mutex);
		s->irq_mask &= mask;
		mutex_unlock(&s->ops_mutex);
		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)
{
	struct pcmcia_socket *s = to_socket(dev);

	if (!count)
		return -EINVAL;

	mutex_lock(&s->ops_mutex);
	if (!s->resource_setup_done)
		s->resource_setup_done = 1;
	mutex_unlock(&s->ops_mutex);

	pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY);

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

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,
};

int pccard_sysfs_add_socket(struct device *dev)
{
	return sysfs_create_group(&dev->kobj, &socket_attrs);
}

void pccard_sysfs_remove_socket(struct device *dev)
{
	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>
1da177e4 LT	18	#include <linux/mm.h>
	19	#include <linux/interrupt.h>
	20	#include <linux/timer.h>
	21	#include <linux/ioport.h>
	22	#include <linux/delay.h>
	23	#include <linux/pm.h>
1da177e4	24	#include <linux/device.h>
7fe908dd	25	#include <linux/mutex.h>
1da177e4 LT	26	#include <asm/system.h>
	27	#include <asm/irq.h>
	28
1da177e4	29	#include <pcmcia/ss.h>
1da177e4 LT	30	#include <pcmcia/cistpl.h>
	31	#include <pcmcia/cisreg.h>
	32	#include <pcmcia/ds.h>
	33	#include "cs_internal.h"
	34
	35	#define to_socket(_dev) container_of(_dev, struct pcmcia_socket, dev)
	36
87373318 GKH	37	static ssize_t pccard_show_type(struct device dev, struct device_attribute attr,
87373318 GKH	38	char *buf)
1da177e4	39	{
1da177e4 LT	40	struct pcmcia_socket *s = to_socket(dev);
	41
	42	if (!(s->state & SOCKET_PRESENT))
	43	return -ENODEV;
002dbb2d	44	if (s->state & SOCKET_CARDBUS)
1da177e4	45	return sprintf(buf, "32-bit\n");
002dbb2d	46	return sprintf(buf, "16-bit\n");
1da177e4	47	}
87373318	48	static DEVICE_ATTR(card_type, 0444, pccard_show_type, NULL);
1da177e4	49
87373318 GKH	50	static ssize_t pccard_show_voltage(struct device dev, struct device_attribute attr,
87373318 GKH	51	char *buf)
1da177e4	52	{
1da177e4 LT	53	struct pcmcia_socket *s = to_socket(dev);
	54
	55	if (!(s->state & SOCKET_PRESENT))
	56	return -ENODEV;
002dbb2d DB	57	if (s->socket.Vcc)
	58	return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10,
	59	s->socket.Vcc % 10);
	60	return sprintf(buf, "X.XV\n");
1da177e4	61	}
87373318	62	static DEVICE_ATTR(card_voltage, 0444, pccard_show_voltage, NULL);
1da177e4	63
87373318 GKH	64	static ssize_t pccard_show_vpp(struct device dev, struct device_attribute attr,
87373318 GKH	65	char *buf)
1da177e4 LT	66	{
	67	struct pcmcia_socket *s = to_socket(dev);
	68	if (!(s->state & SOCKET_PRESENT))
	69	return -ENODEV;
	70	return sprintf(buf, "%d.%dV\n", s->socket.Vpp / 10, s->socket.Vpp % 10);
	71	}
87373318	72	static DEVICE_ATTR(card_vpp, 0444, pccard_show_vpp, NULL);
1da177e4	73
87373318 GKH	74	static ssize_t pccard_show_vcc(struct device dev, struct device_attribute attr,
87373318 GKH	75	char *buf)
1da177e4 LT	76	{
	77	struct pcmcia_socket *s = to_socket(dev);
	78	if (!(s->state & SOCKET_PRESENT))
	79	return -ENODEV;
	80	return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, s->socket.Vcc % 10);
	81	}
87373318	82	static DEVICE_ATTR(card_vcc, 0444, pccard_show_vcc, NULL);
1da177e4 LT	83
1da177e4 LT	84
87373318 GKH	85	static ssize_t pccard_store_insert(struct device dev, struct device_attribute attr,
87373318 GKH	86	const char *buf, size_t count)
1da177e4	87	{
1da177e4 LT	88	struct pcmcia_socket *s = to_socket(dev);
	89
	90	if (!count)
	91	return -EINVAL;
	92
f971dbd5	93	pcmcia_parse_uevents(s, PCMCIA_UEVENT_INSERT);
1da177e4	94
f971dbd5	95	return count;
1da177e4	96	}
87373318	97	static DEVICE_ATTR(card_insert, 0200, NULL, pccard_store_insert);
1da177e4	98
db1019ca	99
87373318 GKH	100	static ssize_t pccard_show_card_pm_state(struct device *dev,
	101	struct device_attribute *attr,
	102	char *buf)
db1019ca DB	103	{
	104	struct pcmcia_socket *s = to_socket(dev);
	105	return sprintf(buf, "%s\n", s->state & SOCKET_SUSPEND ? "off" : "on");
	106	}
	107
87373318 GKH	108	static ssize_t pccard_store_card_pm_state(struct device *dev,
	109	struct device_attribute *attr,
	110	const char *buf, size_t count)
db1019ca	111	{
db1019ca	112	struct pcmcia_socket *s = to_socket(dev);
f971dbd5	113	ssize_t ret = count;
db1019ca DB	114
	115	if (!count)
	116	return -EINVAL;
	117
f971dbd5 DB	118	if (!strncmp(buf, "off", 3))
	119	pcmcia_parse_uevents(s, PCMCIA_UEVENT_SUSPEND);
	120	else {
	121	if (!strncmp(buf, "on", 2))
	122	pcmcia_parse_uevents(s, PCMCIA_UEVENT_RESUME);
	123	else
	124	ret = -EINVAL;
	125	}
db1019ca	126
f971dbd5	127	return ret;
db1019ca	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	134	{
1da177e4 LT	135	struct pcmcia_socket *s = to_socket(dev);
	136
	137	if (!count)
	138	return -EINVAL;
	139
f971dbd5	140	pcmcia_parse_uevents(s, PCMCIA_UEVENT_EJECT);
1da177e4	141
f971dbd5	142	return count;
1da177e4	143	}
87373318	144	static DEVICE_ATTR(card_eject, 0200, NULL, pccard_store_eject);
1da177e4 LT	145
1da177e4 LT	146
87373318 GKH	147	static ssize_t pccard_show_irq_mask(struct device *dev,
	148	struct device_attribute *attr,
	149	char *buf)
1da177e4 LT	150	{
	151	struct pcmcia_socket *s = to_socket(dev);
	152	return sprintf(buf, "0x%04x\n", s->irq_mask);
	153	}
	154
87373318 GKH	155	static ssize_t pccard_store_irq_mask(struct device *dev,
	156	struct device_attribute *attr,
	157	const char *buf, size_t count)
1da177e4 LT	158	{
	159	ssize_t ret;
	160	struct pcmcia_socket *s = to_socket(dev);
	161	u32 mask;
	162
	163	if (!count)
	164	return -EINVAL;
	165
9fea84f4	166	ret = sscanf(buf, "0x%x\n", &mask);
1da177e4 LT	167
1da177e4 LT	168	if (ret == 1) {
64d8d46f	169	mutex_lock(&s->ops_mutex);
1da177e4	170	s->irq_mask &= mask;
64d8d46f	171	mutex_unlock(&s->ops_mutex);
1da177e4 LT	172	ret = 0;
	173	}
	174
	175	return ret ? ret : count;
	176	}
87373318	177	static DEVICE_ATTR(card_irq_mask, 0600, pccard_show_irq_mask, pccard_store_irq_mask);
1da177e4 LT	178
1da177e4 LT	179
87373318 GKH	180	static ssize_t pccard_show_resource(struct device *dev,
87373318 GKH	181	struct device_attribute attr, char buf)
1da177e4 LT	182	{
	183	struct pcmcia_socket *s = to_socket(dev);
	184	return sprintf(buf, "%s\n", s->resource_setup_done ? "yes" : "no");
	185	}
	186
87373318 GKH	187	static ssize_t pccard_store_resource(struct device *dev,
	188	struct device_attribute *attr,
	189	const char *buf, size_t count)
1da177e4	190	{
1da177e4 LT	191	struct pcmcia_socket *s = to_socket(dev);
	192
	193	if (!count)
	194	return -EINVAL;
	195
00ce99ff	196	mutex_lock(&s->ops_mutex);
e2f0b534	197	if (!s->resource_setup_done)
1da177e4	198	s->resource_setup_done = 1;
00ce99ff	199	mutex_unlock(&s->ops_mutex);
1da177e4	200
af461fc1	201	pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY);
1da177e4 LT	202
	203	return count;
	204	}
87373318	205	static DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource);
1da177e4	206
4356d73d DB	207	static struct attribute *pccard_socket_attributes[] = {
	208	&dev_attr_card_type.attr,
	209	&dev_attr_card_voltage.attr,
	210	&dev_attr_card_vpp.attr,
	211	&dev_attr_card_vcc.attr,
	212	&dev_attr_card_insert.attr,
	213	&dev_attr_card_pm_state.attr,
	214	&dev_attr_card_eject.attr,
	215	&dev_attr_card_irq_mask.attr,
	216	&dev_attr_available_resources_setup_done.attr,
1da177e4 LT	217	NULL,
	218	};
	219
4356d73d DB	220	static const struct attribute_group socket_attrs = {
	221	.attrs = pccard_socket_attributes,
	222	};
	223
4356d73d	224	int pccard_sysfs_add_socket(struct device *dev)
1da177e4	225	{
6e7b51a7	226	return sysfs_create_group(&dev->kobj, &socket_attrs);
1da177e4 LT	227	}
1da177e4 LT	228
4356d73d	229	void pccard_sysfs_remove_socket(struct device *dev)
1da177e4	230	{
4356d73d	231	sysfs_remove_group(&dev->kobj, &socket_attrs);
1da177e4	232	}