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1da177e4 LT |
1 | /* |
2 | * CompactPCI Hot Plug Core Functions | |
3 | * | |
4 | * Copyright (C) 2002 SOMA Networks, Inc. | |
5 | * Copyright (C) 2001 Greg Kroah-Hartman (greg@kroah.com) | |
6 | * Copyright (C) 2001 IBM Corp. | |
7 | * | |
8 | * All rights reserved. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or (at | |
13 | * your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, but | |
16 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or | |
18 | * NON INFRINGEMENT. See the GNU General Public License for more | |
19 | * details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License | |
22 | * along with this program; if not, write to the Free Software | |
23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
24 | * | |
25 | * Send feedback to <scottm@somanetworks.com> | |
26 | */ | |
27 | ||
28 | #ifndef _CPCI_HOTPLUG_H | |
29 | #define _CPCI_HOTPLUG_H | |
30 | ||
31 | #include <linux/types.h> | |
32 | #include <linux/pci.h> | |
d6c479e0 | 33 | #include <linux/pci_hotplug.h> |
1da177e4 | 34 | |
43b7d7cf | 35 | /* PICMG 2.1 R2.0 HS CSR bits: */ |
1da177e4 LT |
36 | #define HS_CSR_INS 0x0080 |
37 | #define HS_CSR_EXT 0x0040 | |
38 | #define HS_CSR_PI 0x0030 | |
39 | #define HS_CSR_LOO 0x0008 | |
40 | #define HS_CSR_PIE 0x0004 | |
41 | #define HS_CSR_EIM 0x0002 | |
42 | #define HS_CSR_DHA 0x0001 | |
43 | ||
44 | struct slot { | |
45 | u8 number; | |
46 | unsigned int devfn; | |
47 | struct pci_bus *bus; | |
48 | struct pci_dev *dev; | |
49 | unsigned int extracting; | |
50 | struct hotplug_slot *hotplug_slot; | |
51 | struct list_head slot_list; | |
52 | }; | |
53 | ||
54 | struct cpci_hp_controller_ops { | |
55 | int (*query_enum) (void); | |
56 | int (*enable_irq) (void); | |
57 | int (*disable_irq) (void); | |
58 | int (*check_irq) (void *dev_id); | |
59 | int (*hardware_test) (struct slot* slot, u32 value); | |
60 | u8 (*get_power) (struct slot* slot); | |
61 | int (*set_power) (struct slot* slot, int value); | |
62 | }; | |
63 | ||
64 | struct cpci_hp_controller { | |
65 | unsigned int irq; | |
66 | unsigned long irq_flags; | |
67 | char *devname; | |
68 | void *dev_id; | |
69 | char *name; | |
70 | struct cpci_hp_controller_ops *ops; | |
71 | }; | |
72 | ||
d6c479e0 AC |
73 | static inline const char *slot_name(struct slot *slot) |
74 | { | |
75 | return hotplug_slot_name(slot->hotplug_slot); | |
76 | } | |
77 | ||
1da177e4 LT |
78 | extern int cpci_hp_register_controller(struct cpci_hp_controller *controller); |
79 | extern int cpci_hp_unregister_controller(struct cpci_hp_controller *controller); | |
80 | extern int cpci_hp_register_bus(struct pci_bus *bus, u8 first, u8 last); | |
81 | extern int cpci_hp_unregister_bus(struct pci_bus *bus); | |
82 | extern int cpci_hp_start(void); | |
83 | extern int cpci_hp_stop(void); | |
84 | ||
85 | /* | |
86 | * Internal function prototypes, these functions should not be used by | |
87 | * board/chassis drivers. | |
88 | */ | |
89 | extern u8 cpci_get_attention_status(struct slot *slot); | |
90 | extern u8 cpci_get_latch_status(struct slot *slot); | |
91 | extern u8 cpci_get_adapter_status(struct slot *slot); | |
92 | extern u16 cpci_get_hs_csr(struct slot * slot); | |
93 | extern int cpci_set_attention_status(struct slot *slot, int status); | |
94 | extern int cpci_check_and_clear_ins(struct slot * slot); | |
95 | extern int cpci_check_ext(struct slot * slot); | |
96 | extern int cpci_clear_ext(struct slot * slot); | |
97 | extern int cpci_led_on(struct slot * slot); | |
98 | extern int cpci_led_off(struct slot * slot); | |
99 | extern int cpci_configure_slot(struct slot *slot); | |
100 | extern int cpci_unconfigure_slot(struct slot *slot); | |
101 | ||
102 | #endif /* _CPCI_HOTPLUG_H */ |