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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" | |
5d9bc1fa | 49 | extern int rpaphp_debug; |
1da177e4 LT |
50 | #define dbg(format, arg...) \ |
51 | do { \ | |
5d9bc1fa | 52 | if (rpaphp_debug) \ |
1da177e4 LT |
53 | printk(KERN_DEBUG "%s: " format, \ |
54 | MY_NAME , ## arg); \ | |
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 */ | |
fea54b8c | 89 | extern int rpaphp_enable_slot(struct slot *slot); |
e06b80b7 | 90 | extern int rpaphp_get_sensor_state(struct slot *slot, int *state); |
934199e9 | 91 | |
1da177e4 LT |
92 | /* rpaphp_core.c */ |
93 | extern int rpaphp_add_slot(struct device_node *dn); | |
1da177e4 LT |
94 | extern int rpaphp_get_drc_props(struct device_node *dn, int *drc_index, |
95 | char **drc_name, char **drc_type, int *drc_power_domain); | |
96 | ||
1da177e4 LT |
97 | /* rpaphp_slot.c */ |
98 | extern void dealloc_slot_struct(struct slot *slot); | |
99 | extern struct slot *alloc_slot_struct(struct device_node *dn, int drc_index, char *drc_name, int power_domain); | |
f6afbad8 LV |
100 | extern int rpaphp_register_slot(struct slot *slot); |
101 | extern int rpaphp_deregister_slot(struct slot *slot); | |
1da177e4 LT |
102 | |
103 | #endif /* _PPC64PHP_H */ |