[mirror_ubuntu-bionic-kernel.git] / drivers / pci / hotplug / rpaphp.h

/*
 * PCI Hot Plug Controller Driver for RPA-compliant PPC64 platform.
 *
 * Copyright (C) 2003 Linda Xie <lxie@us.ibm.com>
 *
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
 * NON INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * Send feedback to <lxie@us.ibm.com>,
 *
 */

#ifndef _PPC64PHP_H
#define _PPC64PHP_H

#include <linux/pci.h>
#include <linux/pci_hotplug.h>

#define DR_INDICATOR 9002
#define DR_ENTITY_SENSE 9003

#define POWER_ON	100
#define POWER_OFF	0

#define LED_OFF		0
#define LED_ON		1	/* continuous on */
#define LED_ID		2	/* slow blinking */
#define LED_ACTION	3	/* fast blinking */

/* Sensor values from rtas_get-sensor */
#define EMPTY           0	/* No card in slot */
#define PRESENT         1	/* Card in slot */

#define MY_NAME "rpaphp"
extern bool rpaphp_debug;
#define dbg(format, arg...)					\
	do {							\
		if (rpaphp_debug)				\
			printk(KERN_DEBUG "%s: " format,	\
				MY_NAME , ## arg);		\
	} while (0)
#define err(format, arg...) printk(KERN_ERR "%s: " format, MY_NAME , ## arg)
#define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME , ## arg)
#define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME , ## arg)

/* slot states */

#define	NOT_VALID	3
#define	NOT_CONFIGURED	2
#define	CONFIGURED	1
#define	EMPTY		0

/*
 * struct slot - slot information for each *physical* slot
 */
struct slot {
	struct list_head rpaphp_slot_list;
	int state;
	u32 index;
	u32 type;
	u32 power_domain;
	char *name;
	struct device_node *dn;
	struct pci_bus *bus;
	struct list_head *pci_devs;
	struct hotplug_slot *hotplug_slot;
};

extern struct hotplug_slot_ops rpaphp_hotplug_slot_ops;
extern struct list_head rpaphp_slot_head;

/* function prototypes */

/* rpaphp_pci.c */
int rpaphp_enable_slot(struct slot *slot);
int rpaphp_get_sensor_state(struct slot *slot, int *state);

/* rpaphp_core.c */
int rpaphp_add_slot(struct device_node *dn);
int rpaphp_get_drc_props(struct device_node *dn, int *drc_index,
		char **drc_name, char **drc_type, int *drc_power_domain);

/* rpaphp_slot.c */
void dealloc_slot_struct(struct slot *slot);
struct slot *alloc_slot_struct(struct device_node *dn, int drc_index, char *drc_name, int power_domain);
int rpaphp_register_slot(struct slot *slot);
int rpaphp_deregister_slot(struct slot *slot);

#endif				/* _PPC64PHP_H */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* PCI Hot Plug Controller Driver for RPA-compliant PPC64 platform.
	3	*
	4	* Copyright (C) 2003 Linda Xie <lxie@us.ibm.com>
	5	*
	6	* All rights reserved.
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License as published by
	10	* the Free Software Foundation; either version 2 of the License, or (at
	11	* your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful, but
	14	* WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
	16	* NON INFRINGEMENT. See the GNU General Public License for more
	17	* details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; if not, write to the Free Software
	21	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	22	*
	23	* Send feedback to <lxie@us.ibm.com>,
	24	*
	25	*/
	26
	27	#ifndef _PPC64PHP_H
	28	#define _PPC64PHP_H
	29
	30	#include <linux/pci.h>
e17e31e3	31	#include <linux/pci_hotplug.h>
1da177e4	32
1da177e4 LT	33	#define DR_INDICATOR 9002
	34	#define DR_ENTITY_SENSE 9003
	35
	36	#define POWER_ON 100
	37	#define POWER_OFF 0
	38
	39	#define LED_OFF 0
	40	#define LED_ON 1 /* continuous on */
	41	#define LED_ID 2 /* slow blinking */
	42	#define LED_ACTION 3 /* fast blinking */
	43
	44	/* Sensor values from rtas_get-sensor */
	45	#define EMPTY 0 /* No card in slot */
	46	#define PRESENT 1 /* Card in slot */
	47
	48	#define MY_NAME "rpaphp"
90ab5ee9	49	extern bool rpaphp_debug;
1da177e4 LT	50	#define dbg(format, arg...) \
1da177e4 LT	51	do { \
f7625980	52	if (rpaphp_debug) \
1da177e4	53	printk(KERN_DEBUG "%s: " format, \
f7625980	54	MY_NAME , ## arg); \
1da177e4 LT	55	} while (0)
	56	#define err(format, arg...) printk(KERN_ERR "%s: " format, MY_NAME , ## arg)
	57	#define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME , ## arg)
	58	#define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME , ## arg)
	59
1da177e4 LT	60	/* slot states */
	61
	62	#define NOT_VALID 3
	63	#define NOT_CONFIGURED 2
	64	#define CONFIGURED 1
	65	#define EMPTY 0
	66
1da177e4 LT	67	/*
	68	* struct slot - slot information for each physical slot
	69	*/
	70	struct slot {
	71	struct list_head rpaphp_slot_list;
	72	int state;
	73	u32 index;
	74	u32 type;
	75	u32 power_domain;
	76	char *name;
9c209c91 JR	77	struct device_node *dn;
	78	struct pci_bus *bus;
	79	struct list_head *pci_devs;
1da177e4 LT	80	struct hotplug_slot *hotplug_slot;
	81	};
	82
	83	extern struct hotplug_slot_ops rpaphp_hotplug_slot_ops;
	84	extern struct list_head rpaphp_slot_head;
1da177e4 LT	85
	86	/* function prototypes */
	87
	88	/* rpaphp_pci.c */
f39d5b72 BH	89	int rpaphp_enable_slot(struct slot *slot);
f39d5b72 BH	90	int rpaphp_get_sensor_state(struct slot slot, int state);
934199e9	91
1da177e4	92	/* rpaphp_core.c */
f39d5b72 BH	93	int rpaphp_add_slot(struct device_node *dn);
f39d5b72 BH	94	int rpaphp_get_drc_props(struct device_node dn, int drc_index,
1da177e4 LT	95	char drc_name, char drc_type, int *drc_power_domain);
1da177e4 LT	96
1da177e4	97	/* rpaphp_slot.c */
f39d5b72 BH	98	void dealloc_slot_struct(struct slot *slot);
	99	struct slot alloc_slot_struct(struct device_node dn, int drc_index, char *drc_name, int power_domain);
	100	int rpaphp_register_slot(struct slot *slot);
	101	int rpaphp_deregister_slot(struct slot *slot);
f7625980	102
1da177e4	103	#endif /* _PPC64PHP_H */