/* * 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 int 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 */ extern int rpaphp_enable_slot(struct slot *slot); extern int rpaphp_get_sensor_state(struct slot *slot, int *state); /* rpaphp_core.c */ extern int rpaphp_add_slot(struct device_node *dn); extern 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 */ extern void dealloc_slot_struct(struct slot *slot); extern struct slot *alloc_slot_struct(struct device_node *dn, int drc_index, char *drc_name, int power_domain); extern int rpaphp_register_slot(struct slot *slot); extern int rpaphp_deregister_slot(struct slot *slot); #endif /* _PPC64PHP_H */