[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / parport / procfs.c

/* Sysctl interface for parport devices.
 * 
 * Authors: David Campbell
 *          Tim Waugh <tim@cyberelk.demon.co.uk>
 *          Philip Blundell <philb@gnu.org>
 *          Andrea Arcangeli
 *          Riccardo Facchetti <fizban@tin.it>
 *
 * based on work by Grant Guenther <grant@torque.net>
 *              and Philip Blundell
 *
 * Cleaned up include files - Russell King <linux@arm.uk.linux.org>
 */

#include <linux/string.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/parport.h>
#include <linux/ctype.h>
#include <linux/sysctl.h>

#include <asm/uaccess.h>

#if defined(CONFIG_SYSCTL) && defined(CONFIG_PROC_FS)

#define PARPORT_MIN_TIMESLICE_VALUE 1ul 
#define PARPORT_MAX_TIMESLICE_VALUE ((unsigned long) HZ)
#define PARPORT_MIN_SPINTIME_VALUE 1
#define PARPORT_MAX_SPINTIME_VALUE 1000

static int do_active_device(ctl_table *table, int write,
		      void __user *result, size_t *lenp, loff_t *ppos)
{
	struct parport *port = (struct parport *)table->extra1;
	char buffer[256];
	struct pardevice *dev;
	int len = 0;

	if (write)		/* can't happen anyway */
		return -EACCES;

	if (*ppos) {
		*lenp = 0;
		return 0;
	}
	
	for (dev = port->devices; dev ; dev = dev->next) {
		if(dev == port->cad) {
			len += sprintf(buffer, "%s\n", dev->name);
		}
	}

	if(!len) {
		len += sprintf(buffer, "%s\n", "none");
	}

	if (len > *lenp)
		len = *lenp;
	else
		*lenp = len;

	*ppos += len;

	return copy_to_user(result, buffer, len) ? -EFAULT : 0;
}

#ifdef CONFIG_PARPORT_1284
static int do_autoprobe(ctl_table *table, int write,
			void __user *result, size_t *lenp, loff_t *ppos)
{
	struct parport_device_info *info = table->extra2;
	const char *str;
	char buffer[256];
	int len = 0;

	if (write) /* permissions stop this */
		return -EACCES;

	if (*ppos) {
		*lenp = 0;
		return 0;
	}
	
	if ((str = info->class_name) != NULL)
		len += sprintf (buffer + len, "CLASS:%s;\n", str);

	if ((str = info->model) != NULL)
		len += sprintf (buffer + len, "MODEL:%s;\n", str);

	if ((str = info->mfr) != NULL)
		len += sprintf (buffer + len, "MANUFACTURER:%s;\n", str);

	if ((str = info->description) != NULL)
		len += sprintf (buffer + len, "DESCRIPTION:%s;\n", str);

	if ((str = info->cmdset) != NULL)
		len += sprintf (buffer + len, "COMMAND SET:%s;\n", str);

	if (len > *lenp)
		len = *lenp;
	else
		*lenp = len;

	*ppos += len;

	return copy_to_user (result, buffer, len) ? -EFAULT : 0;
}
#endif /* IEEE1284.3 support. */

static int do_hardware_base_addr (ctl_table *table, int write,
				  void __user *result,
				  size_t *lenp, loff_t *ppos)
{
	struct parport *port = (struct parport *)table->extra1;
	char buffer[20];
	int len = 0;

	if (*ppos) {
		*lenp = 0;
		return 0;
	}

	if (write) /* permissions prevent this anyway */
		return -EACCES;

	len += sprintf (buffer, "%lu\t%lu\n", port->base, port->base_hi);

	if (len > *lenp)
		len = *lenp;
	else
		*lenp = len;

	*ppos += len;

	return copy_to_user(result, buffer, len) ? -EFAULT : 0;
}

static int do_hardware_irq (ctl_table *table, int write,
			    void __user *result,
			    size_t *lenp, loff_t *ppos)
{
	struct parport *port = (struct parport *)table->extra1;
	char buffer[20];
	int len = 0;

	if (*ppos) {
		*lenp = 0;
		return 0;
	}

	if (write) /* permissions prevent this anyway */
		return -EACCES;

	len += sprintf (buffer, "%d\n", port->irq);

	if (len > *lenp)
		len = *lenp;
	else
		*lenp = len;

	*ppos += len;

	return copy_to_user(result, buffer, len) ? -EFAULT : 0;
}

static int do_hardware_dma (ctl_table *table, int write,
			    void __user *result,
			    size_t *lenp, loff_t *ppos)
{
	struct parport *port = (struct parport *)table->extra1;
	char buffer[20];
	int len = 0;

	if (*ppos) {
		*lenp = 0;
		return 0;
	}

	if (write) /* permissions prevent this anyway */
		return -EACCES;

	len += sprintf (buffer, "%d\n", port->dma);

	if (len > *lenp)
		len = *lenp;
	else
		*lenp = len;

	*ppos += len;

	return copy_to_user(result, buffer, len) ? -EFAULT : 0;
}

static int do_hardware_modes (ctl_table *table, int write,
			      void __user *result,
			      size_t *lenp, loff_t *ppos)
{
	struct parport *port = (struct parport *)table->extra1;
	char buffer[40];
	int len = 0;

	if (*ppos) {
		*lenp = 0;
		return 0;
	}

	if (write) /* permissions prevent this anyway */
		return -EACCES;

	{
#define printmode(x) {if(port->modes&PARPORT_MODE_##x){len+=sprintf(buffer+len,"%s%s",f?",":"",#x);f++;}}
		int f = 0;
		printmode(PCSPP);
		printmode(TRISTATE);
		printmode(COMPAT);
		printmode(EPP);
		printmode(ECP);
		printmode(DMA);
#undef printmode
	}
	buffer[len++] = '\n';

	if (len > *lenp)
		len = *lenp;
	else
		*lenp = len;

	*ppos += len;

	return copy_to_user(result, buffer, len) ? -EFAULT : 0;
}

#define PARPORT_PORT_DIR(CHILD) { .procname = NULL, .mode = 0555, .child = CHILD }
#define PARPORT_PARPORT_DIR(CHILD) { .procname = "parport", \
                                     .mode = 0555, .child = CHILD }
#define PARPORT_DEV_DIR(CHILD) { .procname = "dev", .mode = 0555, .child = CHILD }
#define PARPORT_DEVICES_ROOT_DIR  {  .procname = "devices", \
                                    .mode = 0555, .child = NULL }

static const unsigned long parport_min_timeslice_value =
PARPORT_MIN_TIMESLICE_VALUE;

static const unsigned long parport_max_timeslice_value =
PARPORT_MAX_TIMESLICE_VALUE;

static const  int parport_min_spintime_value =
PARPORT_MIN_SPINTIME_VALUE;

static const int parport_max_spintime_value =
PARPORT_MAX_SPINTIME_VALUE;


struct parport_sysctl_table {
	struct ctl_table_header *sysctl_header;
	ctl_table vars[12];
	ctl_table device_dir[2];
	ctl_table port_dir[2];
	ctl_table parport_dir[2];
	ctl_table dev_dir[2];
};

static const struct parport_sysctl_table parport_sysctl_template = {
	.sysctl_header = NULL,
        {
		{
			.procname	= "spintime",
			.data		= NULL,
			.maxlen		= sizeof(int),
			.mode		= 0644,
			.proc_handler	= proc_dointvec_minmax,
			.extra1		= (void*) &parport_min_spintime_value,
			.extra2		= (void*) &parport_max_spintime_value
		},
		{
			.procname	= "base-addr",
			.data		= NULL,
			.maxlen		= 0,
			.mode		= 0444,
			.proc_handler	= do_hardware_base_addr
		},
		{
			.procname	= "irq",
			.data		= NULL,
			.maxlen		= 0,
			.mode		= 0444,
			.proc_handler	= do_hardware_irq
		},
		{
			.procname	= "dma",
			.data		= NULL,
			.maxlen		= 0,
			.mode		= 0444,
			.proc_handler	= do_hardware_dma
		},
		{
			.procname	= "modes",
			.data		= NULL,
			.maxlen		= 0,
			.mode		= 0444,
			.proc_handler	= do_hardware_modes
		},
		PARPORT_DEVICES_ROOT_DIR,
#ifdef CONFIG_PARPORT_1284
		{
			.procname	= "autoprobe",
			.data		= NULL,
			.maxlen		= 0,
			.mode		= 0444,
			.proc_handler	= do_autoprobe
		},
		{
			.procname	= "autoprobe0",
			.data		= NULL,
			.maxlen		= 0,
			.mode		= 0444,
			.proc_handler	= do_autoprobe
		},
		{
			.procname	= "autoprobe1",
			.data		= NULL,
			.maxlen		= 0,
			.mode		= 0444,
			.proc_handler	= do_autoprobe
		},
		{
			.procname	= "autoprobe2",
			.data		= NULL,
			.maxlen		= 0,
			.mode		= 0444,
			.proc_handler	= do_autoprobe
		},
		{
			.procname	= "autoprobe3",
			.data		= NULL,
			.maxlen		= 0,
			.mode		= 0444,
			.proc_handler	= do_autoprobe
		},
#endif /* IEEE 1284 support */
		{}
	},
	{
		{
			.procname	= "active",
			.data		= NULL,
			.maxlen		= 0,
			.mode		= 0444,
			.proc_handler	= do_active_device
		},
		{}
	},
	{
		PARPORT_PORT_DIR(NULL),
		{}
	},
	{
		PARPORT_PARPORT_DIR(NULL),
		{}
	},
	{
		PARPORT_DEV_DIR(NULL),
		{}
	}
};

struct parport_device_sysctl_table
{
	struct ctl_table_header *sysctl_header;
	ctl_table vars[2];
	ctl_table device_dir[2];
	ctl_table devices_root_dir[2];
	ctl_table port_dir[2];
	ctl_table parport_dir[2];
	ctl_table dev_dir[2];
};

static const struct parport_device_sysctl_table
parport_device_sysctl_template = {
	.sysctl_header = NULL,
	{
		{
			.procname 	= "timeslice",
			.data		= NULL,
			.maxlen		= sizeof(unsigned long),
			.mode		= 0644,
			.proc_handler	= proc_doulongvec_ms_jiffies_minmax,
			.extra1		= (void*) &parport_min_timeslice_value,
			.extra2		= (void*) &parport_max_timeslice_value
		},
	},
	{
		{
			.procname	= NULL,
			.data		= NULL,
			.maxlen		= 0,
			.mode		= 0555,
			.child		= NULL
		},
		{}
	},
	{
		PARPORT_DEVICES_ROOT_DIR,
		{}
	},
	{
		PARPORT_PORT_DIR(NULL),
		{}
	},
	{
		PARPORT_PARPORT_DIR(NULL),
		{}
	},
	{
		PARPORT_DEV_DIR(NULL),
		{}
	}
};

struct parport_default_sysctl_table
{
	struct ctl_table_header *sysctl_header;
	ctl_table vars[3];
        ctl_table default_dir[2];
	ctl_table parport_dir[2];
	ctl_table dev_dir[2];
};

static struct parport_default_sysctl_table
parport_default_sysctl_table = {
	.sysctl_header	= NULL,
	{
		{
			.procname	= "timeslice",
			.data		= &parport_default_timeslice,
			.maxlen		= sizeof(parport_default_timeslice),
			.mode		= 0644,
			.proc_handler	= proc_doulongvec_ms_jiffies_minmax,
			.extra1		= (void*) &parport_min_timeslice_value,
			.extra2		= (void*) &parport_max_timeslice_value
		},
		{
			.procname	= "spintime",
			.data		= &parport_default_spintime,
			.maxlen		= sizeof(parport_default_spintime),
			.mode		= 0644,
			.proc_handler	= proc_dointvec_minmax,
			.extra1		= (void*) &parport_min_spintime_value,
			.extra2		= (void*) &parport_max_spintime_value
		},
		{}
	},
	{
		{
			.procname	= "default",
			.mode		= 0555,
			.child		= parport_default_sysctl_table.vars
		},
		{}
	},
	{
		PARPORT_PARPORT_DIR(parport_default_sysctl_table.default_dir),
		{}
	},
	{
		PARPORT_DEV_DIR(parport_default_sysctl_table.parport_dir),
		{}
	}
};


int parport_proc_register(struct parport *port)
{
	struct parport_sysctl_table *t;
	int i;

	t = kmemdup(&parport_sysctl_template, sizeof(*t), GFP_KERNEL);
	if (t == NULL)
		return -ENOMEM;

	t->device_dir[0].extra1 = port;

	for (i = 0; i < 5; i++)
		t->vars[i].extra1 = port;

	t->vars[0].data = &port->spintime;
	t->vars[5].child = t->device_dir;
	
	for (i = 0; i < 5; i++)
		t->vars[6 + i].extra2 = &port->probe_info[i];

	t->port_dir[0].procname = port->name;

	t->port_dir[0].child = t->vars;
	t->parport_dir[0].child = t->port_dir;
	t->dev_dir[0].child = t->parport_dir;

	t->sysctl_header = register_sysctl_table(t->dev_dir);
	if (t->sysctl_header == NULL) {
		kfree(t);
		t = NULL;
	}
	port->sysctl_table = t;
	return 0;
}

int parport_proc_unregister(struct parport *port)
{
	if (port->sysctl_table) {
		struct parport_sysctl_table *t = port->sysctl_table;
		port->sysctl_table = NULL;
		unregister_sysctl_table(t->sysctl_header);
		kfree(t);
	}
	return 0;
}

int parport_device_proc_register(struct pardevice *device)
{
	struct parport_device_sysctl_table *t;
	struct parport * port = device->port;
	
	t = kmemdup(&parport_device_sysctl_template, sizeof(*t), GFP_KERNEL);
	if (t == NULL)
		return -ENOMEM;

	t->dev_dir[0].child = t->parport_dir;
	t->parport_dir[0].child = t->port_dir;
	t->port_dir[0].procname = port->name;
	t->port_dir[0].child = t->devices_root_dir;
	t->devices_root_dir[0].child = t->device_dir;

	t->device_dir[0].procname = device->name;
	t->device_dir[0].child = t->vars;
	t->vars[0].data = &device->timeslice;

	t->sysctl_header = register_sysctl_table(t->dev_dir);
	if (t->sysctl_header == NULL) {
		kfree(t);
		t = NULL;
	}
	device->sysctl_table = t;
	return 0;
}

int parport_device_proc_unregister(struct pardevice *device)
{
	if (device->sysctl_table) {
		struct parport_device_sysctl_table *t = device->sysctl_table;
		device->sysctl_table = NULL;
		unregister_sysctl_table(t->sysctl_header);
		kfree(t);
	}
	return 0;
}

static int __init parport_default_proc_register(void)
{
	parport_default_sysctl_table.sysctl_header =
		register_sysctl_table(parport_default_sysctl_table.dev_dir);
	return 0;
}

static void __exit parport_default_proc_unregister(void)
{
	if (parport_default_sysctl_table.sysctl_header) {
		unregister_sysctl_table(parport_default_sysctl_table.
					sysctl_header);
		parport_default_sysctl_table.sysctl_header = NULL;
	}
}

#else /* no sysctl or no procfs*/

int parport_proc_register(struct parport *pp)
{
	return 0;
}

int parport_proc_unregister(struct parport *pp)
{
	return 0;
}

int parport_device_proc_register(struct pardevice *device)
{
	return 0;
}

int parport_device_proc_unregister(struct pardevice *device)
{
	return 0;
}

static int __init parport_default_proc_register (void)
{
	return 0;
}

static void __exit parport_default_proc_unregister (void)
{
}
#endif

module_init(parport_default_proc_register)
module_exit(parport_default_proc_unregister)
Commit	Line	Data
1da177e4 LT	1	/* Sysctl interface for parport devices.
1da177e4 LT	2	*
bdca3f20	3	* Authors: David Campbell
1da177e4 LT	4	* Tim Waugh <tim@cyberelk.demon.co.uk>
	5	* Philip Blundell <philb@gnu.org>
	6	* Andrea Arcangeli
	7	* Riccardo Facchetti <fizban@tin.it>
	8	*
	9	* based on work by Grant Guenther <grant@torque.net>
	10	* and Philip Blundell
	11	*
	12	* Cleaned up include files - Russell King <linux@arm.uk.linux.org>
	13	*/
	14
	15	#include <linux/string.h>
1da177e4 LT	16	#include <linux/init.h>
	17	#include <linux/module.h>
	18	#include <linux/errno.h>
	19	#include <linux/kernel.h>
	20	#include <linux/slab.h>
	21	#include <linux/parport.h>
	22	#include <linux/ctype.h>
	23	#include <linux/sysctl.h>
	24
	25	#include <asm/uaccess.h>
	26
	27	#if defined(CONFIG_SYSCTL) && defined(CONFIG_PROC_FS)
	28
	29	#define PARPORT_MIN_TIMESLICE_VALUE 1ul
	30	#define PARPORT_MAX_TIMESLICE_VALUE ((unsigned long) HZ)
	31	#define PARPORT_MIN_SPINTIME_VALUE 1
	32	#define PARPORT_MAX_SPINTIME_VALUE 1000
	33
8d65af78	34	static int do_active_device(ctl_table *table, int write,
1da177e4 LT	35	void __user result, size_t lenp, loff_t *ppos)
	36	{
	37	struct parport port = (struct parport )table->extra1;
	38	char buffer[256];
	39	struct pardevice *dev;
	40	int len = 0;
	41
	42	if (write) /* can't happen anyway */
	43	return -EACCES;
	44
	45	if (*ppos) {
	46	*lenp = 0;
	47	return 0;
	48	}
	49
	50	for (dev = port->devices; dev ; dev = dev->next) {
	51	if(dev == port->cad) {
	52	len += sprintf(buffer, "%s\n", dev->name);
	53	}
	54	}
	55
	56	if(!len) {
	57	len += sprintf(buffer, "%s\n", "none");
	58	}
	59
	60	if (len > *lenp)
	61	len = *lenp;
	62	else
	63	*lenp = len;
	64
	65	*ppos += len;
	66
	67	return copy_to_user(result, buffer, len) ? -EFAULT : 0;
	68	}
	69
	70	#ifdef CONFIG_PARPORT_1284
8d65af78	71	static int do_autoprobe(ctl_table *table, int write,
1da177e4 LT	72	void __user result, size_t lenp, loff_t *ppos)
	73	{
	74	struct parport_device_info *info = table->extra2;
	75	const char *str;
	76	char buffer[256];
	77	int len = 0;
	78
	79	if (write) /* permissions stop this */
	80	return -EACCES;
	81
	82	if (*ppos) {
	83	*lenp = 0;
	84	return 0;
	85	}
	86
	87	if ((str = info->class_name) != NULL)
	88	len += sprintf (buffer + len, "CLASS:%s;\n", str);
	89
	90	if ((str = info->model) != NULL)
	91	len += sprintf (buffer + len, "MODEL:%s;\n", str);
	92
	93	if ((str = info->mfr) != NULL)
	94	len += sprintf (buffer + len, "MANUFACTURER:%s;\n", str);
	95
	96	if ((str = info->description) != NULL)
	97	len += sprintf (buffer + len, "DESCRIPTION:%s;\n", str);
	98
	99	if ((str = info->cmdset) != NULL)
	100	len += sprintf (buffer + len, "COMMAND SET:%s;\n", str);
	101
	102	if (len > *lenp)
	103	len = *lenp;
	104	else
	105	*lenp = len;
	106
	107	*ppos += len;
	108
	109	return copy_to_user (result, buffer, len) ? -EFAULT : 0;
	110	}
	111	#endif /* IEEE1284.3 support. */
	112
	113	static int do_hardware_base_addr (ctl_table *table, int write,
8d65af78	114	void __user *result,
1da177e4 LT	115	size_t lenp, loff_t ppos)
	116	{
	117	struct parport port = (struct parport )table->extra1;
	118	char buffer[20];
	119	int len = 0;
	120
	121	if (*ppos) {
	122	*lenp = 0;
	123	return 0;
	124	}
	125
	126	if (write) /* permissions prevent this anyway */
	127	return -EACCES;
	128
	129	len += sprintf (buffer, "%lu\t%lu\n", port->base, port->base_hi);
	130
	131	if (len > *lenp)
	132	len = *lenp;
	133	else
	134	*lenp = len;
	135
	136	*ppos += len;
	137
	138	return copy_to_user(result, buffer, len) ? -EFAULT : 0;
	139	}
	140
	141	static int do_hardware_irq (ctl_table *table, int write,
8d65af78	142	void __user *result,
1da177e4 LT	143	size_t lenp, loff_t ppos)
	144	{
	145	struct parport port = (struct parport )table->extra1;
	146	char buffer[20];
	147	int len = 0;
	148
	149	if (*ppos) {
	150	*lenp = 0;
	151	return 0;
	152	}
	153
	154	if (write) /* permissions prevent this anyway */
	155	return -EACCES;
	156
	157	len += sprintf (buffer, "%d\n", port->irq);
	158
	159	if (len > *lenp)
	160	len = *lenp;
	161	else
	162	*lenp = len;
	163
	164	*ppos += len;
	165
	166	return copy_to_user(result, buffer, len) ? -EFAULT : 0;
	167	}
	168
	169	static int do_hardware_dma (ctl_table *table, int write,
8d65af78	170	void __user *result,
1da177e4 LT	171	size_t lenp, loff_t ppos)
	172	{
	173	struct parport port = (struct parport )table->extra1;
	174	char buffer[20];
	175	int len = 0;
	176
	177	if (*ppos) {
	178	*lenp = 0;
	179	return 0;
	180	}
	181
	182	if (write) /* permissions prevent this anyway */
	183	return -EACCES;
	184
	185	len += sprintf (buffer, "%d\n", port->dma);
	186
	187	if (len > *lenp)
	188	len = *lenp;
	189	else
	190	*lenp = len;
	191
	192	*ppos += len;
	193
	194	return copy_to_user(result, buffer, len) ? -EFAULT : 0;
	195	}
	196
	197	static int do_hardware_modes (ctl_table *table, int write,
8d65af78	198	void __user *result,
1da177e4 LT	199	size_t lenp, loff_t ppos)
	200	{
	201	struct parport port = (struct parport )table->extra1;
	202	char buffer[40];
	203	int len = 0;
	204
	205	if (*ppos) {
	206	*lenp = 0;
	207	return 0;
	208	}
	209
	210	if (write) /* permissions prevent this anyway */
	211	return -EACCES;
	212
	213	{
	214	#define printmode(x) {if(port->modes&PARPORT_MODE_##x){len+=sprintf(buffer+len,"%s%s",f?",":"",#x);f++;}}
	215	int f = 0;
	216	printmode(PCSPP);
	217	printmode(TRISTATE);
	218	printmode(COMPAT);
	219	printmode(EPP);
	220	printmode(ECP);
	221	printmode(DMA);
	222	#undef printmode
	223	}
	224	buffer[len++] = '\n';
	225
	226	if (len > *lenp)
	227	len = *lenp;
	228	else
	229	*lenp = len;
	230
	231	*ppos += len;
	232
	233	return copy_to_user(result, buffer, len) ? -EFAULT : 0;
	234	}
	235
894d2491 EB	236	#define PARPORT_PORT_DIR(CHILD) { .procname = NULL, .mode = 0555, .child = CHILD }
894d2491 EB	237	#define PARPORT_PARPORT_DIR(CHILD) { .procname = "parport", \
2564b7bd	238	.mode = 0555, .child = CHILD }
894d2491	239	#define PARPORT_DEV_DIR(CHILD) { .procname = "dev", .mode = 0555, .child = CHILD }
25398a15	240	#define PARPORT_DEVICES_ROOT_DIR { .procname = "devices", \
2564b7bd	241	.mode = 0555, .child = NULL }
1da177e4 LT	242
	243	static const unsigned long parport_min_timeslice_value =
	244	PARPORT_MIN_TIMESLICE_VALUE;
	245
	246	static const unsigned long parport_max_timeslice_value =
	247	PARPORT_MAX_TIMESLICE_VALUE;
	248
	249	static const int parport_min_spintime_value =
	250	PARPORT_MIN_SPINTIME_VALUE;
	251
	252	static const int parport_max_spintime_value =
	253	PARPORT_MAX_SPINTIME_VALUE;
	254
	255
	256	struct parport_sysctl_table {
	257	struct ctl_table_header *sysctl_header;
	258	ctl_table vars[12];
	259	ctl_table device_dir[2];
	260	ctl_table port_dir[2];
	261	ctl_table parport_dir[2];
	262	ctl_table dev_dir[2];
	263	};
	264
	265	static const struct parport_sysctl_table parport_sysctl_template = {
2564b7bd	266	.sysctl_header = NULL,
1da177e4	267	{
2564b7bd	268	{
2564b7bd EB	269	.procname = "spintime",
	270	.data = NULL,
	271	.maxlen = sizeof(int),
	272	.mode = 0644,
6d456111	273	.proc_handler = proc_dointvec_minmax,
2564b7bd EB	274	.extra1 = (void*) &parport_min_spintime_value,
	275	.extra2 = (void*) &parport_max_spintime_value
	276	},
	277	{
2564b7bd EB	278	.procname = "base-addr",
	279	.data = NULL,
	280	.maxlen = 0,
	281	.mode = 0444,
6d456111	282	.proc_handler = do_hardware_base_addr
2564b7bd EB	283	},
2564b7bd EB	284	{
2564b7bd EB	285	.procname = "irq",
	286	.data = NULL,
	287	.maxlen = 0,
	288	.mode = 0444,
6d456111	289	.proc_handler = do_hardware_irq
2564b7bd EB	290	},
2564b7bd EB	291	{
2564b7bd EB	292	.procname = "dma",
	293	.data = NULL,
	294	.maxlen = 0,
	295	.mode = 0444,
6d456111	296	.proc_handler = do_hardware_dma
2564b7bd EB	297	},
2564b7bd EB	298	{
2564b7bd EB	299	.procname = "modes",
	300	.data = NULL,
	301	.maxlen = 0,
	302	.mode = 0444,
6d456111	303	.proc_handler = do_hardware_modes
2564b7bd	304	},
1da177e4 LT	305	PARPORT_DEVICES_ROOT_DIR,
1da177e4 LT	306	#ifdef CONFIG_PARPORT_1284
2564b7bd	307	{
2564b7bd EB	308	.procname = "autoprobe",
	309	.data = NULL,
	310	.maxlen = 0,
	311	.mode = 0444,
6d456111	312	.proc_handler = do_autoprobe
2564b7bd EB	313	},
2564b7bd EB	314	{
2564b7bd EB	315	.procname = "autoprobe0",
	316	.data = NULL,
	317	.maxlen = 0,
	318	.mode = 0444,
6d456111	319	.proc_handler = do_autoprobe
2564b7bd EB	320	},
2564b7bd EB	321	{
2564b7bd EB	322	.procname = "autoprobe1",
	323	.data = NULL,
	324	.maxlen = 0,
	325	.mode = 0444,
6d456111	326	.proc_handler = do_autoprobe
2564b7bd EB	327	},
2564b7bd EB	328	{
2564b7bd EB	329	.procname = "autoprobe2",
	330	.data = NULL,
	331	.maxlen = 0,
	332	.mode = 0444,
6d456111	333	.proc_handler = do_autoprobe
2564b7bd EB	334	},
2564b7bd EB	335	{
2564b7bd EB	336	.procname = "autoprobe3",
	337	.data = NULL,
	338	.maxlen = 0,
	339	.mode = 0444,
6d456111	340	.proc_handler = do_autoprobe
2564b7bd	341	},
1da177e4	342	#endif /* IEEE 1284 support */
2564b7bd	343	{}
1da177e4	344	},
2564b7bd EB	345	{
2564b7bd EB	346	{
2564b7bd EB	347	.procname = "active",
	348	.data = NULL,
	349	.maxlen = 0,
	350	.mode = 0444,
6d456111	351	.proc_handler = do_active_device
2564b7bd EB	352	},
	353	{}
	354	},
	355	{
	356	PARPORT_PORT_DIR(NULL),
	357	{}
	358	},
	359	{
	360	PARPORT_PARPORT_DIR(NULL),
	361	{}
	362	},
	363	{
	364	PARPORT_DEV_DIR(NULL),
	365	{}
	366	}
1da177e4 LT	367	};
	368
	369	struct parport_device_sysctl_table
	370	{
	371	struct ctl_table_header *sysctl_header;
	372	ctl_table vars[2];
	373	ctl_table device_dir[2];
	374	ctl_table devices_root_dir[2];
	375	ctl_table port_dir[2];
	376	ctl_table parport_dir[2];
	377	ctl_table dev_dir[2];
	378	};
	379
	380	static const struct parport_device_sysctl_table
	381	parport_device_sysctl_template = {
2564b7bd EB	382	.sysctl_header = NULL,
	383	{
	384	{
2564b7bd EB	385	.procname = "timeslice",
2564b7bd EB	386	.data = NULL,
60af8803	387	.maxlen = sizeof(unsigned long),
2564b7bd	388	.mode = 0644,
6d456111	389	.proc_handler = proc_doulongvec_ms_jiffies_minmax,
2564b7bd EB	390	.extra1 = (void*) &parport_min_timeslice_value,
	391	.extra2 = (void*) &parport_max_timeslice_value
	392	},
	393	},
	394	{
	395	{
2564b7bd EB	396	.procname = NULL,
	397	.data = NULL,
	398	.maxlen = 0,
	399	.mode = 0555,
	400	.child = NULL
	401	},
	402	{}
	403	},
1da177e4	404	{
2564b7bd EB	405	PARPORT_DEVICES_ROOT_DIR,
	406	{}
	407	},
	408	{
	409	PARPORT_PORT_DIR(NULL),
	410	{}
1da177e4	411	},
2564b7bd EB	412	{
	413	PARPORT_PARPORT_DIR(NULL),
	414	{}
	415	},
	416	{
	417	PARPORT_DEV_DIR(NULL),
	418	{}
	419	}
1da177e4 LT	420	};
	421
	422	struct parport_default_sysctl_table
	423	{
	424	struct ctl_table_header *sysctl_header;
	425	ctl_table vars[3];
	426	ctl_table default_dir[2];
	427	ctl_table parport_dir[2];
	428	ctl_table dev_dir[2];
	429	};
	430
1da177e4 LT	431	static struct parport_default_sysctl_table
1da177e4 LT	432	parport_default_sysctl_table = {
2564b7bd EB	433	.sysctl_header = NULL,
	434	{
	435	{
2564b7bd EB	436	.procname = "timeslice",
	437	.data = &parport_default_timeslice,
	438	.maxlen = sizeof(parport_default_timeslice),
	439	.mode = 0644,
6d456111	440	.proc_handler = proc_doulongvec_ms_jiffies_minmax,
2564b7bd EB	441	.extra1 = (void*) &parport_min_timeslice_value,
	442	.extra2 = (void*) &parport_max_timeslice_value
	443	},
	444	{
2564b7bd EB	445	.procname = "spintime",
	446	.data = &parport_default_spintime,
	447	.maxlen = sizeof(parport_default_spintime),
	448	.mode = 0644,
6d456111	449	.proc_handler = proc_dointvec_minmax,
2564b7bd EB	450	.extra1 = (void*) &parport_min_spintime_value,
	451	.extra2 = (void*) &parport_max_spintime_value
	452	},
	453	{}
	454	},
1da177e4	455	{
2564b7bd	456	{
2564b7bd EB	457	.procname = "default",
	458	.mode = 0555,
	459	.child = parport_default_sysctl_table.vars
	460	},
	461	{}
1da177e4	462	},
1da177e4	463	{
2564b7bd EB	464	PARPORT_PARPORT_DIR(parport_default_sysctl_table.default_dir),
	465	{}
	466	},
	467	{
	468	PARPORT_DEV_DIR(parport_default_sysctl_table.parport_dir),
	469	{}
	470	}
1da177e4 LT	471	};
	472
	473
	474	int parport_proc_register(struct parport *port)
	475	{
	476	struct parport_sysctl_table *t;
	477	int i;
	478
2451a848	479	t = kmemdup(&parport_sysctl_template, sizeof(*t), GFP_KERNEL);
1da177e4 LT	480	if (t == NULL)
1da177e4 LT	481	return -ENOMEM;
1da177e4 LT	482
	483	t->device_dir[0].extra1 = port;
	484
25398a15	485	for (i = 0; i < 5; i++)
1da177e4 LT	486	t->vars[i].extra1 = port;
	487
	488	t->vars[0].data = &port->spintime;
	489	t->vars[5].child = t->device_dir;
	490
	491	for (i = 0; i < 5; i++)
	492	t->vars[6 + i].extra2 = &port->probe_info[i];
	493
	494	t->port_dir[0].procname = port->name;
1da177e4 LT	495
	496	t->port_dir[0].child = t->vars;
	497	t->parport_dir[0].child = t->port_dir;
	498	t->dev_dir[0].child = t->parport_dir;
	499
0b4d4147	500	t->sysctl_header = register_sysctl_table(t->dev_dir);
1da177e4 LT	501	if (t->sysctl_header == NULL) {
	502	kfree(t);
	503	t = NULL;
	504	}
	505	port->sysctl_table = t;
	506	return 0;
	507	}
	508
	509	int parport_proc_unregister(struct parport *port)
	510	{
	511	if (port->sysctl_table) {
	512	struct parport_sysctl_table *t = port->sysctl_table;
	513	port->sysctl_table = NULL;
	514	unregister_sysctl_table(t->sysctl_header);
	515	kfree(t);
	516	}
	517	return 0;
	518	}
	519
	520	int parport_device_proc_register(struct pardevice *device)
	521	{
	522	struct parport_device_sysctl_table *t;
	523	struct parport * port = device->port;
	524
2451a848	525	t = kmemdup(&parport_device_sysctl_template, sizeof(*t), GFP_KERNEL);
1da177e4 LT	526	if (t == NULL)
1da177e4 LT	527	return -ENOMEM;
1da177e4 LT	528
	529	t->dev_dir[0].child = t->parport_dir;
	530	t->parport_dir[0].child = t->port_dir;
	531	t->port_dir[0].procname = port->name;
1da177e4 LT	532	t->port_dir[0].child = t->devices_root_dir;
	533	t->devices_root_dir[0].child = t->device_dir;
	534
1da177e4	535	t->device_dir[0].procname = device->name;
1da177e4 LT	536	t->device_dir[0].child = t->vars;
	537	t->vars[0].data = &device->timeslice;
	538
0b4d4147	539	t->sysctl_header = register_sysctl_table(t->dev_dir);
1da177e4 LT	540	if (t->sysctl_header == NULL) {
	541	kfree(t);
	542	t = NULL;
	543	}
	544	device->sysctl_table = t;
	545	return 0;
	546	}
	547
	548	int parport_device_proc_unregister(struct pardevice *device)
	549	{
	550	if (device->sysctl_table) {
	551	struct parport_device_sysctl_table *t = device->sysctl_table;
	552	device->sysctl_table = NULL;
	553	unregister_sysctl_table(t->sysctl_header);
	554	kfree(t);
	555	}
	556	return 0;
	557	}
	558
	559	static int __init parport_default_proc_register(void)
	560	{
	561	parport_default_sysctl_table.sysctl_header =
0b4d4147	562	register_sysctl_table(parport_default_sysctl_table.dev_dir);
1da177e4 LT	563	return 0;
	564	}
	565
	566	static void __exit parport_default_proc_unregister(void)
	567	{
	568	if (parport_default_sysctl_table.sysctl_header) {
	569	unregister_sysctl_table(parport_default_sysctl_table.
	570	sysctl_header);
	571	parport_default_sysctl_table.sysctl_header = NULL;
	572	}
	573	}
	574
	575	#else /* no sysctl or no procfs*/
	576
	577	int parport_proc_register(struct parport *pp)
	578	{
	579	return 0;
	580	}
	581
	582	int parport_proc_unregister(struct parport *pp)
	583	{
	584	return 0;
	585	}
	586
	587	int parport_device_proc_register(struct pardevice *device)
	588	{
	589	return 0;
	590	}
	591
	592	int parport_device_proc_unregister(struct pardevice *device)
	593	{
	594	return 0;
	595	}
	596
	597	static int __init parport_default_proc_register (void)
	598	{
	599	return 0;
	600	}
	601
	602	static void __exit parport_default_proc_unregister (void)
	603	{
	604	}
	605	#endif
	606
	607	module_init(parport_default_proc_register)
	608	module_exit(parport_default_proc_unregister)