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1 | /* -*- c-basic-offset: 8 -*- |
2 | * | |
3 | * fw-device.h - Device probing and sysfs code. | |
4 | * | |
5 | * Copyright (C) 2005-2006 Kristian Hoegsberg <krh@bitplanet.net> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software Foundation, | |
19 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
20 | */ | |
21 | ||
22 | #ifndef __fw_device_h | |
23 | #define __fw_device_h | |
24 | ||
25 | #include <linux/fs.h> | |
26 | #include <linux/cdev.h> | |
27 | ||
28 | enum fw_device_state { | |
29 | FW_DEVICE_INITIALIZING, | |
30 | FW_DEVICE_RUNNING, | |
31 | FW_DEVICE_SHUTDOWN | |
32 | }; | |
33 | ||
34 | struct fw_device { | |
35 | int state; | |
36 | struct fw_node *node; | |
37 | int node_id; | |
38 | int generation; | |
39 | struct fw_card *card; | |
40 | struct device device; | |
41 | struct cdev cdev; | |
42 | __be32 *config_rom; | |
43 | size_t config_rom_length; | |
44 | int config_rom_retries; | |
45 | struct delayed_work work; | |
46 | }; | |
47 | ||
48 | static inline struct fw_device * | |
49 | fw_device(struct device *dev) | |
50 | { | |
51 | return container_of(dev, struct fw_device, device); | |
52 | } | |
53 | ||
54 | struct fw_device *fw_device_get(struct fw_device *device); | |
55 | void fw_device_put(struct fw_device *device); | |
56 | int fw_device_enable_phys_dma(struct fw_device *device); | |
57 | ||
58 | struct fw_unit { | |
59 | struct device device; | |
60 | u32 *directory; | |
61 | }; | |
62 | ||
63 | static inline struct fw_unit * | |
64 | fw_unit(struct device *dev) | |
65 | { | |
66 | return container_of(dev, struct fw_unit, device); | |
67 | } | |
68 | ||
69 | #define CSR_OFFSET 0x40 | |
70 | #define CSR_LEAF 0x80 | |
71 | #define CSR_DIRECTORY 0xc0 | |
72 | ||
73 | #define CSR_DESCRIPTOR 0x01 | |
74 | #define CSR_VENDOR 0x03 | |
75 | #define CSR_HARDWARE_VERSION 0x04 | |
76 | #define CSR_NODE_CAPABILITIES 0x0c | |
77 | #define CSR_UNIT 0x11 | |
78 | #define CSR_SPECIFIER_ID 0x12 | |
79 | #define CSR_VERSION 0x13 | |
80 | #define CSR_DEPENDENT_INFO 0x14 | |
81 | #define CSR_MODEL 0x17 | |
82 | #define CSR_INSTANCE 0x18 | |
83 | ||
84 | #define SBP2_COMMAND_SET_SPECIFIER 0x38 | |
85 | #define SBP2_COMMAND_SET 0x39 | |
86 | #define SBP2_COMMAND_SET_REVISION 0x3b | |
87 | #define SBP2_FIRMWARE_REVISION 0x3c | |
88 | ||
89 | struct fw_csr_iterator { | |
90 | u32 *p; | |
91 | u32 *end; | |
92 | }; | |
93 | ||
94 | void fw_csr_iterator_init(struct fw_csr_iterator *ci, u32 *p); | |
95 | int fw_csr_iterator_next(struct fw_csr_iterator *ci, | |
96 | int *key, int *value); | |
97 | ||
98 | #define FW_MATCH_VENDOR 0x0001 | |
99 | #define FW_MATCH_MODEL 0x0002 | |
100 | #define FW_MATCH_SPECIFIER_ID 0x0004 | |
101 | #define FW_MATCH_VERSION 0x0008 | |
102 | ||
103 | struct fw_device_id { | |
104 | u32 match_flags; | |
105 | u32 vendor; | |
106 | u32 model; | |
107 | u32 specifier_id; | |
108 | u32 version; | |
109 | void *driver_data; | |
110 | }; | |
111 | ||
112 | struct fw_driver { | |
113 | struct device_driver driver; | |
114 | /* Called when the parent device sits through a bus reset. */ | |
115 | void (*update) (struct fw_unit *unit); | |
116 | struct fw_device_id *id_table; | |
117 | }; | |
118 | ||
119 | static inline struct fw_driver * | |
120 | fw_driver(struct device_driver *drv) | |
121 | { | |
122 | return container_of(drv, struct fw_driver, driver); | |
123 | } | |
124 | ||
125 | extern struct file_operations fw_device_ops; | |
126 | ||
127 | #endif |