2 * PCI Hot Plug Controller Driver for RPA-compliant PPC64 platform.
4 * Copyright (C) 2003 Linda Xie <lxie@us.ibm.com>
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.
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
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.
23 * Send feedback to <lxie@us.ibm.com>,
30 #include <linux/pci.h>
31 #include "pci_hotplug.h"
37 #define DR_INDICATOR 9002
38 #define DR_ENTITY_SENSE 9003
44 #define LED_ON 1 /* continuous on */
45 #define LED_ID 2 /* slow blinking */
46 #define LED_ACTION 3 /* fast blinking */
48 /* Sensor values from rtas_get-sensor */
49 #define EMPTY 0 /* No card in slot */
50 #define PRESENT 1 /* Card in slot */
52 #define MY_NAME "rpaphp"
54 #define dbg(format, arg...) \
57 printk(KERN_DEBUG "%s: " format, \
60 #define err(format, arg...) printk(KERN_ERR "%s: " format, MY_NAME , ## arg)
61 #define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME , ## arg)
62 #define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME , ## arg)
71 #define NOT_CONFIGURED 2
76 * struct slot - slot information for each *physical* slot
79 struct list_head rpaphp_slot_list;
87 u8 dev_type; /* VIO or PCI */
88 struct device_node *dn; /* slot's device_node in OFDT */
90 struct pci_dev *bridge; /* slot's pci_dev in pci_devices */
92 struct list_head *pci_devs; /* pci_devs in PCI slot */
93 struct vio_dev *vio_dev; /* vio_dev in VIO slot */
95 struct hotplug_slot *hotplug_slot;
98 extern struct hotplug_slot_ops rpaphp_hotplug_slot_ops;
99 extern struct list_head rpaphp_slot_head;
100 extern int num_slots;
102 /* function prototypes */
105 extern struct pci_dev *rpaphp_find_pci_dev(struct device_node *dn);
106 extern int rpaphp_claim_resource(struct pci_dev *dev, int resource);
107 extern int rpaphp_enable_pci_slot(struct slot *slot);
108 extern int register_pci_slot(struct slot *slot);
109 extern int rpaphp_unconfig_pci_adapter(struct slot *slot);
110 extern int rpaphp_get_pci_adapter_status(struct slot *slot, int is_init, u8 * value);
113 extern int rpaphp_add_slot(struct device_node *dn);
114 extern int rpaphp_remove_slot(struct slot *slot);
115 extern int rpaphp_get_drc_props(struct device_node *dn, int *drc_index,
116 char **drc_name, char **drc_type, int *drc_power_domain);
119 extern int rpaphp_get_vio_adapter_status(struct slot *slot, int is_init, u8 * value);
120 extern int rpaphp_unconfig_vio_adapter(struct slot *slot);
121 extern int register_vio_slot(struct device_node *dn);
122 extern int rpaphp_enable_vio_slot(struct slot *slot);
125 extern void dealloc_slot_struct(struct slot *slot);
126 extern struct slot *alloc_slot_struct(struct device_node *dn, int drc_index, char *drc_name, int power_domain);
127 extern int register_slot(struct slot *slot);
128 extern int deregister_slot(struct slot *slot);
129 extern int rpaphp_get_power_status(struct slot *slot, u8 * value);
130 extern int rpaphp_set_attention_status(struct slot *slot, u8 status);
132 #endif /* _PPC64PHP_H */