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1 | /* |
2 | * include/linux/platform_data/mlxcpld-hotplug.h | |
3 | * Copyright (c) 2016 Mellanox Technologies. All rights reserved. | |
4 | * Copyright (c) 2016 Vadim Pasternak <vadimp@mellanox.com> | |
5 | * | |
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions are met: | |
8 | * | |
9 | * 1. Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions and the following disclaimer. | |
11 | * 2. Redistributions in binary form must reproduce the above copyright | |
12 | * notice, this list of conditions and the following disclaimer in the | |
13 | * documentation and/or other materials provided with the distribution. | |
14 | * 3. Neither the names of the copyright holders nor the names of its | |
15 | * contributors may be used to endorse or promote products derived from | |
16 | * this software without specific prior written permission. | |
17 | * | |
18 | * Alternatively, this software may be distributed under the terms of the | |
19 | * GNU General Public License ("GPL") version 2 as published by the Free | |
20 | * Software Foundation. | |
21 | * | |
22 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
23 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
25 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
26 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
27 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
28 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
29 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
30 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
31 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
32 | * POSSIBILITY OF SUCH DAMAGE. | |
33 | */ | |
34 | ||
35 | #ifndef __LINUX_PLATFORM_DATA_MLXCPLD_HOTPLUG_H | |
36 | #define __LINUX_PLATFORM_DATA_MLXCPLD_HOTPLUG_H | |
37 | ||
38 | /** | |
39 | * struct mlxcpld_hotplug_device - I2C device data: | |
40 | * @adapter: I2C device adapter; | |
41 | * @client: I2C device client; | |
42 | * @brdinfo: device board information; | |
43 | * @bus: I2C bus, where device is attached; | |
44 | * | |
45 | * Structure represents I2C hotplug device static data (board topology) and | |
46 | * dynamic data (related kernel objects handles). | |
47 | */ | |
48 | struct mlxcpld_hotplug_device { | |
49 | struct i2c_adapter *adapter; | |
50 | struct i2c_client *client; | |
51 | struct i2c_board_info brdinfo; | |
52 | u16 bus; | |
53 | }; | |
54 | ||
55 | /** | |
56 | * struct mlxcpld_hotplug_platform_data - device platform data: | |
57 | * @top_aggr_offset: offset of top aggregation interrupt register; | |
58 | * @top_aggr_mask: top aggregation interrupt common mask; | |
59 | * @top_aggr_psu_mask: top aggregation interrupt PSU mask; | |
60 | * @psu_reg_offset: offset of PSU interrupt register; | |
61 | * @psu_mask: PSU interrupt mask; | |
62 | * @psu_count: number of equipped replaceable PSUs; | |
63 | * @psu: pointer to PSU devices data array; | |
64 | * @top_aggr_pwr_mask: top aggregation interrupt power mask; | |
65 | * @pwr_reg_offset: offset of power interrupt register | |
66 | * @pwr_mask: power interrupt mask; | |
67 | * @pwr_count: number of power sources; | |
68 | * @pwr: pointer to power devices data array; | |
69 | * @top_aggr_fan_mask: top aggregation interrupt FAN mask; | |
70 | * @fan_reg_offset: offset of FAN interrupt register; | |
71 | * @fan_mask: FAN interrupt mask; | |
72 | * @fan_count: number of equipped replaceable FANs; | |
73 | * @fan: pointer to FAN devices data array; | |
74 | * | |
75 | * Structure represents board platform data, related to system hotplug events, | |
76 | * like FAN, PSU, power cable insertion and removing. This data provides the | |
77 | * number of hot-pluggable devices and hardware description for event handling. | |
78 | */ | |
79 | struct mlxcpld_hotplug_platform_data { | |
80 | u16 top_aggr_offset; | |
81 | u8 top_aggr_mask; | |
82 | u8 top_aggr_psu_mask; | |
83 | u16 psu_reg_offset; | |
84 | u8 psu_mask; | |
85 | u8 psu_count; | |
86 | struct mlxcpld_hotplug_device *psu; | |
87 | u8 top_aggr_pwr_mask; | |
88 | u16 pwr_reg_offset; | |
89 | u8 pwr_mask; | |
90 | u8 pwr_count; | |
91 | struct mlxcpld_hotplug_device *pwr; | |
92 | u8 top_aggr_fan_mask; | |
93 | u16 fan_reg_offset; | |
94 | u8 fan_mask; | |
95 | u8 fan_count; | |
96 | struct mlxcpld_hotplug_device *fan; | |
97 | }; | |
98 | ||
99 | #endif /* __LINUX_PLATFORM_DATA_MLXCPLD_HOTPLUG_H */ |