1 /* 2 * Copyright (c) 2017 Mellanox Technologies. All rights reserved. 3 * Copyright (c) 2017 Vadim Pasternak <[email protected]> 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the names of the copyright holders nor the names of its 14 * contributors may be used to endorse or promote products derived from 15 * this software without specific prior written permission. 16 * 17 * Alternatively, this software may be distributed under the terms of the 18 * GNU General Public License ("GPL") version 2 as published by the Free 19 * Software Foundation. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifndef __LINUX_PLATFORM_DATA_MLXREG_H 35 #define __LINUX_PLATFORM_DATA_MLXREG_H 36 37 /** 38 * struct mlxreg_hotplug_device - I2C device data: 39 * @adapter: I2C device adapter; 40 * @client: I2C device client; 41 * @brdinfo: device board information; 42 * @bus: I2C bus, where device is attached; 43 * 44 * Structure represents I2C hotplug device static data (board topology) and 45 * dynamic data (related kernel objects handles). 46 */ 47 struct mlxreg_hotplug_device { 48 struct i2c_adapter *adapter; 49 struct i2c_client *client; 50 struct i2c_board_info brdinfo; 51 u16 bus; 52 }; 53 54 /** 55 * struct mlxreg_hotplug_platform_data - device platform data: 56 * @top_aggr_offset: offset of top aggregation interrupt register; 57 * @top_aggr_mask: top aggregation interrupt common mask; 58 * @top_aggr_psu_mask: top aggregation interrupt PSU mask; 59 * @psu_reg_offset: offset of PSU interrupt register; 60 * @psu_mask: PSU interrupt mask; 61 * @psu_count: number of equipped replaceable PSUs; 62 * @psu: pointer to PSU devices data array; 63 * @top_aggr_pwr_mask: top aggregation interrupt power mask; 64 * @pwr_reg_offset: offset of power interrupt register 65 * @pwr_mask: power interrupt mask; 66 * @pwr_count: number of power sources; 67 * @pwr: pointer to power devices data array; 68 * @top_aggr_fan_mask: top aggregation interrupt FAN mask; 69 * @fan_reg_offset: offset of FAN interrupt register; 70 * @fan_mask: FAN interrupt mask; 71 * @fan_count: number of equipped replaceable FANs; 72 * @fan: pointer to FAN devices data array; 73 * 74 * Structure represents board platform data, related to system hotplug events, 75 * like FAN, PSU, power cable insertion and removing. This data provides the 76 * number of hot-pluggable devices and hardware description for event handling. 77 */ 78 struct mlxreg_hotplug_platform_data { 79 u16 top_aggr_offset; 80 u8 top_aggr_mask; 81 u8 top_aggr_psu_mask; 82 u16 psu_reg_offset; 83 u8 psu_mask; 84 u8 psu_count; 85 struct mlxreg_hotplug_device *psu; 86 u8 top_aggr_pwr_mask; 87 u16 pwr_reg_offset; 88 u8 pwr_mask; 89 u8 pwr_count; 90 struct mlxreg_hotplug_device *pwr; 91 u8 top_aggr_fan_mask; 92 u16 fan_reg_offset; 93 u8 fan_mask; 94 u8 fan_count; 95 struct mlxreg_hotplug_device *fan; 96 }; 97 98 #endif /* __LINUX_PLATFORM_DATA_MLXREG_H */ 99