[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)
{
	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>
	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	90	{
1da177e4 LT	91	struct pcmcia_socket *s = to_socket(dev);
	92
	93	if (!count)
	94	return -EINVAL;
	95
f971dbd5	96	pcmcia_parse_uevents(s, PCMCIA_UEVENT_INSERT);
1da177e4	97
f971dbd5	98	return count;
1da177e4	99	}
87373318	100	static DEVICE_ATTR(card_insert, 0200, NULL, pccard_store_insert);
1da177e4	101
db1019ca	102
87373318 GKH	103	static ssize_t pccard_show_card_pm_state(struct device *dev,
	104	struct device_attribute *attr,
	105	char *buf)
db1019ca DB	106	{
	107	struct pcmcia_socket *s = to_socket(dev);
	108	return sprintf(buf, "%s\n", s->state & SOCKET_SUSPEND ? "off" : "on");
	109	}
	110
87373318 GKH	111	static ssize_t pccard_store_card_pm_state(struct device *dev,
	112	struct device_attribute *attr,
	113	const char *buf, size_t count)
db1019ca	114	{
db1019ca	115	struct pcmcia_socket *s = to_socket(dev);
f971dbd5	116	ssize_t ret = count;
db1019ca DB	117
	118	if (!count)
	119	return -EINVAL;
	120
f971dbd5 DB	121	if (!strncmp(buf, "off", 3))
	122	pcmcia_parse_uevents(s, PCMCIA_UEVENT_SUSPEND);
	123	else {
	124	if (!strncmp(buf, "on", 2))
	125	pcmcia_parse_uevents(s, PCMCIA_UEVENT_RESUME);
	126	else
	127	ret = -EINVAL;
	128	}
db1019ca	129
f971dbd5	130	return ret;
db1019ca	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	137	{
1da177e4 LT	138	struct pcmcia_socket *s = to_socket(dev);
	139
	140	if (!count)
	141	return -EINVAL;
	142
f971dbd5	143	pcmcia_parse_uevents(s, PCMCIA_UEVENT_EJECT);
1da177e4	144
f971dbd5	145	return count;
1da177e4	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
9fea84f4	169	ret = sscanf(buf, "0x%x\n", &mask);
1da177e4 LT	170
1da177e4 LT	171	if (ret == 1) {
64d8d46f	172	mutex_lock(&s->ops_mutex);
1da177e4	173	s->irq_mask &= mask;
64d8d46f	174	mutex_unlock(&s->ops_mutex);
1da177e4 LT	175	ret = 0;
	176	}
	177
	178	return ret ? ret : count;
	179	}
87373318	180	static DEVICE_ATTR(card_irq_mask, 0600, pccard_show_irq_mask, pccard_store_irq_mask);
1da177e4 LT	181
1da177e4 LT	182
87373318 GKH	183	static ssize_t pccard_show_resource(struct device *dev,
87373318 GKH	184	struct device_attribute attr, char buf)
1da177e4 LT	185	{
	186	struct pcmcia_socket *s = to_socket(dev);
	187	return sprintf(buf, "%s\n", s->resource_setup_done ? "yes" : "no");
	188	}
	189
87373318 GKH	190	static ssize_t pccard_store_resource(struct device *dev,
	191	struct device_attribute *attr,
	192	const char *buf, size_t count)
1da177e4	193	{
1da177e4 LT	194	struct pcmcia_socket *s = to_socket(dev);
	195
	196	if (!count)
	197	return -EINVAL;
	198
00ce99ff	199	mutex_lock(&s->ops_mutex);
e2f0b534	200	if (!s->resource_setup_done)
1da177e4	201	s->resource_setup_done = 1;
00ce99ff	202	mutex_unlock(&s->ops_mutex);
1da177e4	203
af461fc1	204	pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY);
1da177e4 LT	205
	206	return count;
	207	}
87373318	208	static DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource);
1da177e4	209
4356d73d DB	210	static struct attribute *pccard_socket_attributes[] = {
	211	&dev_attr_card_type.attr,
	212	&dev_attr_card_voltage.attr,
	213	&dev_attr_card_vpp.attr,
	214	&dev_attr_card_vcc.attr,
	215	&dev_attr_card_insert.attr,
	216	&dev_attr_card_pm_state.attr,
	217	&dev_attr_card_eject.attr,
	218	&dev_attr_card_irq_mask.attr,
	219	&dev_attr_available_resources_setup_done.attr,
1da177e4 LT	220	NULL,
	221	};
	222
4356d73d DB	223	static const struct attribute_group socket_attrs = {
	224	.attrs = pccard_socket_attributes,
	225	};
	226
4356d73d	227	int pccard_sysfs_add_socket(struct device *dev)
1da177e4	228	{
6e7b51a7	229	return sysfs_create_group(&dev->kobj, &socket_attrs);
1da177e4 LT	230	}
1da177e4 LT	231
4356d73d	232	void pccard_sysfs_remove_socket(struct device *dev)
1da177e4	233	{
4356d73d	234	sysfs_remove_group(&dev->kobj, &socket_attrs);
1da177e4	235	}