/*
* 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 "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 */
#define SLOT_NAME_SIZE 12
/* Error status from rtas_get-sensor */
#define NEED_POWER -9000 /* slot must be power up and unisolated to get state */
#define PWR_ONLY -9001 /* slot must be powerd up to get state, leave isolated */
#define ERR_SENSE_USE -9002 /* No DR operation will succeed, slot is unusable */
/* Sensor values from rtas_get-sensor */
#define EMPTY 0 /* No card in slot */
#define PRESENT 1 /* Card in slot */
#define MY_NAME "rpaphp"
#define dbg(format, arg...) \
do { \
if (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)
#define SLOT_MAGIC 0x67267322
/* 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 {
u32 magic;
int state;
u32 index;
u32 type;
u32 power_domain;
char *name;
struct device_node *dn;/* slot's device_node in OFDT */
/* dn has phb info */
struct pci_dev *bridge;/* slot's pci_dev in pci_devices */
struct pci_dev *dev; /* pci_dev of device in this slot */
/* it will be used for unconfig */
/* NULL if slot is empty */
struct hotplug_slot *hotplug_slot;
struct list_head rpaphp_slot_list;
};
extern struct pci_dev *rpaphp_find_pci_dev(struct device_node *dn);
extern int rpaphp_add_slot(char *slot_name);
extern int rpaphp_remove_slot(struct slot *slot);
extern int rpaphp_claim_resource(struct pci_dev *dev, int resource);
#endif /* _PPC64PHP_H */