diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-bus.h')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-bus.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-bus.h b/drivers/net/wireless/iwlwifi/iwl-bus.h new file mode 100644 index 000000000000..fef62e6c2c88 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-bus.h | |||
@@ -0,0 +1,142 @@ | |||
1 | /****************************************************************************** | ||
2 | * | ||
3 | * This file is provided under a dual BSD/GPLv2 license. When using or | ||
4 | * redistributing this file, you may do so under either license. | ||
5 | * | ||
6 | * GPL LICENSE SUMMARY | ||
7 | * | ||
8 | * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved. | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or modify | ||
11 | * it under the terms of version 2 of the GNU General Public License as | ||
12 | * published by the Free Software Foundation. | ||
13 | * | ||
14 | * This program is distributed in the hope that it will be useful, but | ||
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
17 | * General Public License for more 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110, | ||
22 | * USA | ||
23 | * | ||
24 | * The full GNU General Public License is included in this distribution | ||
25 | * in the file called LICENSE.GPL. | ||
26 | * | ||
27 | * Contact Information: | ||
28 | * Intel Linux Wireless <ilw@linux.intel.com> | ||
29 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | ||
30 | * | ||
31 | * BSD LICENSE | ||
32 | * | ||
33 | * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. | ||
34 | * All rights reserved. | ||
35 | * | ||
36 | * Redistribution and use in source and binary forms, with or without | ||
37 | * modification, are permitted provided that the following conditions | ||
38 | * are met: | ||
39 | * | ||
40 | * * Redistributions of source code must retain the above copyright | ||
41 | * notice, this list of conditions and the following disclaimer. | ||
42 | * * Redistributions in binary form must reproduce the above copyright | ||
43 | * notice, this list of conditions and the following disclaimer in | ||
44 | * the documentation and/or other materials provided with the | ||
45 | * distribution. | ||
46 | * * Neither the name Intel Corporation nor the names of its | ||
47 | * contributors may be used to endorse or promote products derived | ||
48 | * from this software without specific prior written permission. | ||
49 | * | ||
50 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
51 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
52 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
53 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
54 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
55 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
56 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
57 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
58 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
59 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
60 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
61 | * | ||
62 | *****************************************************************************/ | ||
63 | #ifndef __iwl_pci_h__ | ||
64 | #define __iwl_pci_h__ | ||
65 | |||
66 | struct iwl_bus; | ||
67 | |||
68 | /** | ||
69 | * struct iwl_bus_ops - bus specific operations | ||
70 | |||
71 | * @get_pm_support: must returns true if the bus can go to sleep | ||
72 | * @apm_config: will be called during the config of the APM configuration | ||
73 | * @set_drv_data: set the priv pointer to the bus layer | ||
74 | * @get_hw_id: prints the hw_id in the provided buffer | ||
75 | * @write8: write a byte to register at offset ofs | ||
76 | * @write32: write a dword to register at offset ofs | ||
77 | * @wread32: read a dword at register at offset ofs | ||
78 | */ | ||
79 | struct iwl_bus_ops { | ||
80 | bool (*get_pm_support)(struct iwl_bus *bus); | ||
81 | void (*apm_config)(struct iwl_bus *bus); | ||
82 | void (*set_drv_data)(struct iwl_bus *bus, void *drv_data); | ||
83 | void (*get_hw_id)(struct iwl_bus *bus, char buf[], int buf_len); | ||
84 | void (*write8)(struct iwl_bus *bus, u32 ofs, u8 val); | ||
85 | void (*write32)(struct iwl_bus *bus, u32 ofs, u32 val); | ||
86 | u32 (*read32)(struct iwl_bus *bus, u32 ofs); | ||
87 | }; | ||
88 | |||
89 | struct iwl_bus { | ||
90 | /* Common data to all buses */ | ||
91 | |||
92 | /*TODO: priv should be void * */ | ||
93 | struct iwl_priv *priv; /* driver's context */ | ||
94 | struct device *dev; | ||
95 | struct iwl_bus_ops *ops; | ||
96 | |||
97 | unsigned int irq; | ||
98 | |||
99 | /* pointer to bus specific struct */ | ||
100 | /*Ensure that this pointer will always be aligned to sizeof pointer */ | ||
101 | char bus_specific[0] __attribute__((__aligned__(sizeof(void *)))); | ||
102 | }; | ||
103 | |||
104 | static inline bool bus_get_pm_support(struct iwl_bus *bus) | ||
105 | { | ||
106 | return bus->ops->get_pm_support(bus); | ||
107 | } | ||
108 | |||
109 | static inline void bus_apm_config(struct iwl_bus *bus) | ||
110 | { | ||
111 | bus->ops->apm_config(bus); | ||
112 | } | ||
113 | |||
114 | static inline void bus_set_drv_data(struct iwl_bus *bus, void *drv_data) | ||
115 | { | ||
116 | bus->ops->set_drv_data(bus, drv_data); | ||
117 | } | ||
118 | |||
119 | static inline void bus_get_hw_id(struct iwl_bus *bus, char buf[], int buf_len) | ||
120 | { | ||
121 | bus->ops->get_hw_id(bus, buf, buf_len); | ||
122 | } | ||
123 | |||
124 | static inline void bus_write8(struct iwl_bus *bus, u32 ofs, u8 val) | ||
125 | { | ||
126 | bus->ops->write8(bus, ofs, val); | ||
127 | } | ||
128 | |||
129 | static inline void bus_write32(struct iwl_bus *bus, u32 ofs, u32 val) | ||
130 | { | ||
131 | bus->ops->write32(bus, ofs, val); | ||
132 | } | ||
133 | |||
134 | static inline u32 bus_read32(struct iwl_bus *bus, u32 ofs) | ||
135 | { | ||
136 | return bus->ops->read32(bus, ofs); | ||
137 | } | ||
138 | |||
139 | int __must_check iwl_pci_register_driver(void); | ||
140 | void iwl_pci_unregister_driver(void); | ||
141 | |||
142 | #endif | ||