[linux-2.6-block.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/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)
{
	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 LT	29	#include <pcmcia/cs_types.h>
	30	#include <pcmcia/ss.h>
	31	#include <pcmcia/cs.h>
1da177e4 LT	32	#include <pcmcia/cistpl.h>
	33	#include <pcmcia/cisreg.h>
	34	#include <pcmcia/ds.h>
	35	#include "cs_internal.h"
	36
	37	#define to_socket(_dev) container_of(_dev, struct pcmcia_socket, dev)
	38
87373318 GKH	39	static ssize_t pccard_show_type(struct device dev, struct device_attribute attr,
87373318 GKH	40	char *buf)
1da177e4	41	{
1da177e4 LT	42	struct pcmcia_socket *s = to_socket(dev);
	43
	44	if (!(s->state & SOCKET_PRESENT))
	45	return -ENODEV;
002dbb2d	46	if (s->state & SOCKET_CARDBUS)
1da177e4	47	return sprintf(buf, "32-bit\n");
002dbb2d	48	return sprintf(buf, "16-bit\n");
1da177e4	49	}
87373318	50	static DEVICE_ATTR(card_type, 0444, pccard_show_type, NULL);
1da177e4	51
87373318 GKH	52	static ssize_t pccard_show_voltage(struct device dev, struct device_attribute attr,
87373318 GKH	53	char *buf)
1da177e4	54	{
1da177e4 LT	55	struct pcmcia_socket *s = to_socket(dev);
	56
	57	if (!(s->state & SOCKET_PRESENT))
	58	return -ENODEV;
002dbb2d DB	59	if (s->socket.Vcc)
	60	return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10,
	61	s->socket.Vcc % 10);
	62	return sprintf(buf, "X.XV\n");
1da177e4	63	}
87373318	64	static DEVICE_ATTR(card_voltage, 0444, pccard_show_voltage, NULL);
1da177e4	65
87373318 GKH	66	static ssize_t pccard_show_vpp(struct device dev, struct device_attribute attr,
87373318 GKH	67	char *buf)
1da177e4 LT	68	{
	69	struct pcmcia_socket *s = to_socket(dev);
	70	if (!(s->state & SOCKET_PRESENT))
	71	return -ENODEV;
	72	return sprintf(buf, "%d.%dV\n", s->socket.Vpp / 10, s->socket.Vpp % 10);
	73	}
87373318	74	static DEVICE_ATTR(card_vpp, 0444, pccard_show_vpp, NULL);
1da177e4	75
87373318 GKH	76	static ssize_t pccard_show_vcc(struct device dev, struct device_attribute attr,
87373318 GKH	77	char *buf)
1da177e4 LT	78	{
	79	struct pcmcia_socket *s = to_socket(dev);
	80	if (!(s->state & SOCKET_PRESENT))
	81	return -ENODEV;
	82	return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, s->socket.Vcc % 10);
	83	}
87373318	84	static DEVICE_ATTR(card_vcc, 0444, pccard_show_vcc, NULL);
1da177e4 LT	85
1da177e4 LT	86
87373318 GKH	87	static ssize_t pccard_store_insert(struct device dev, struct device_attribute attr,
87373318 GKH	88	const char *buf, size_t count)
1da177e4	89	{
1da177e4 LT	90	struct pcmcia_socket *s = to_socket(dev);
	91
	92	if (!count)
	93	return -EINVAL;
	94
f971dbd5	95	pcmcia_parse_uevents(s, PCMCIA_UEVENT_INSERT);
1da177e4	96
f971dbd5	97	return count;
1da177e4	98	}
87373318	99	static DEVICE_ATTR(card_insert, 0200, NULL, pccard_store_insert);
1da177e4	100
db1019ca	101
87373318 GKH	102	static ssize_t pccard_show_card_pm_state(struct device *dev,
	103	struct device_attribute *attr,
	104	char *buf)
db1019ca DB	105	{
	106	struct pcmcia_socket *s = to_socket(dev);
	107	return sprintf(buf, "%s\n", s->state & SOCKET_SUSPEND ? "off" : "on");
	108	}
	109
87373318 GKH	110	static ssize_t pccard_store_card_pm_state(struct device *dev,
	111	struct device_attribute *attr,
	112	const char *buf, size_t count)
db1019ca	113	{
db1019ca	114	struct pcmcia_socket *s = to_socket(dev);
f971dbd5	115	ssize_t ret = count;
db1019ca DB	116
	117	if (!count)
	118	return -EINVAL;
	119
f971dbd5 DB	120	if (!strncmp(buf, "off", 3))
	121	pcmcia_parse_uevents(s, PCMCIA_UEVENT_SUSPEND);
	122	else {
	123	if (!strncmp(buf, "on", 2))
	124	pcmcia_parse_uevents(s, PCMCIA_UEVENT_RESUME);
	125	else
	126	ret = -EINVAL;
	127	}
db1019ca	128
f971dbd5	129	return ret;
db1019ca	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	136	{
1da177e4 LT	137	struct pcmcia_socket *s = to_socket(dev);
	138
	139	if (!count)
	140	return -EINVAL;
	141
f971dbd5	142	pcmcia_parse_uevents(s, PCMCIA_UEVENT_EJECT);
1da177e4	143
f971dbd5	144	return count;
1da177e4	145	}
87373318	146	static DEVICE_ATTR(card_eject, 0200, NULL, pccard_store_eject);
1da177e4 LT	147
1da177e4 LT	148
87373318 GKH	149	static ssize_t pccard_show_irq_mask(struct device *dev,
	150	struct device_attribute *attr,
	151	char *buf)
1da177e4 LT	152	{
	153	struct pcmcia_socket *s = to_socket(dev);
	154	return sprintf(buf, "0x%04x\n", s->irq_mask);
	155	}
	156
87373318 GKH	157	static ssize_t pccard_store_irq_mask(struct device *dev,
	158	struct device_attribute *attr,
	159	const char *buf, size_t count)
1da177e4 LT	160	{
	161	ssize_t ret;
	162	struct pcmcia_socket *s = to_socket(dev);
	163	u32 mask;
	164
	165	if (!count)
	166	return -EINVAL;
	167
9fea84f4	168	ret = sscanf(buf, "0x%x\n", &mask);
1da177e4 LT	169
1da177e4 LT	170	if (ret == 1) {
64d8d46f	171	mutex_lock(&s->ops_mutex);
1da177e4	172	s->irq_mask &= mask;
64d8d46f	173	mutex_unlock(&s->ops_mutex);
1da177e4 LT	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	192	{
1da177e4 LT	193	struct pcmcia_socket *s = to_socket(dev);
	194
	195	if (!count)
	196	return -EINVAL;
	197
00ce99ff	198	mutex_lock(&s->ops_mutex);
e2f0b534	199	if (!s->resource_setup_done)
1da177e4	200	s->resource_setup_done = 1;
00ce99ff	201	mutex_unlock(&s->ops_mutex);
1da177e4	202
af461fc1	203	pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY);
1da177e4 LT	204
	205	return count;
	206	}
87373318	207	static DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource);
1da177e4	208
4356d73d DB	209	static struct attribute *pccard_socket_attributes[] = {
	210	&dev_attr_card_type.attr,
	211	&dev_attr_card_voltage.attr,
	212	&dev_attr_card_vpp.attr,
	213	&dev_attr_card_vcc.attr,
	214	&dev_attr_card_insert.attr,
	215	&dev_attr_card_pm_state.attr,
	216	&dev_attr_card_eject.attr,
	217	&dev_attr_card_irq_mask.attr,
	218	&dev_attr_available_resources_setup_done.attr,
1da177e4 LT	219	NULL,
	220	};
	221
4356d73d DB	222	static const struct attribute_group socket_attrs = {
	223	.attrs = pccard_socket_attributes,
	224	};
	225
4356d73d	226	int pccard_sysfs_add_socket(struct device *dev)
1da177e4	227	{
6e7b51a7	228	return sysfs_create_group(&dev->kobj, &socket_attrs);
1da177e4 LT	229	}
1da177e4 LT	230
4356d73d	231	void pccard_sysfs_remove_socket(struct device *dev)
1da177e4	232	{
4356d73d	233	sysfs_remove_group(&dev->kobj, &socket_attrs);
1da177e4	234	}