Vadim Pasternak | 3048870 | 2016-10-20 16:28:01 +0000 | [diff] [blame] | 1 | /* |
Vadim Pasternak | 1f976f6 | 2018-01-17 18:21:53 +0000 | [diff] [blame] | 2 | * Copyright (c) 2017 Mellanox Technologies. All rights reserved. |
| 3 | * Copyright (c) 2017 Vadim Pasternak <vadimp@mellanox.com> |
Vadim Pasternak | 3048870 | 2016-10-20 16:28:01 +0000 | [diff] [blame] | 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 | |
Vadim Pasternak | 1f976f6 | 2018-01-17 18:21:53 +0000 | [diff] [blame] | 34 | #ifndef __LINUX_PLATFORM_DATA_MLXREG_H |
| 35 | #define __LINUX_PLATFORM_DATA_MLXREG_H |
Vadim Pasternak | 3048870 | 2016-10-20 16:28:01 +0000 | [diff] [blame] | 36 | |
Vadim Pasternak | c6acad6 | 2018-01-22 19:55:11 -0800 | [diff] [blame^] | 37 | #define MLXREG_CORE_LABEL_MAX_SIZE 32 |
| 38 | |
Vadim Pasternak | 3048870 | 2016-10-20 16:28:01 +0000 | [diff] [blame] | 39 | /** |
Vadim Pasternak | 1f976f6 | 2018-01-17 18:21:53 +0000 | [diff] [blame] | 40 | * struct mlxreg_hotplug_device - I2C device data: |
Vadim Pasternak | c6acad6 | 2018-01-22 19:55:11 -0800 | [diff] [blame^] | 41 | * |
Vadim Pasternak | 3048870 | 2016-10-20 16:28:01 +0000 | [diff] [blame] | 42 | * @adapter: I2C device adapter; |
| 43 | * @client: I2C device client; |
| 44 | * @brdinfo: device board information; |
Vadim Pasternak | 3d838f5 | 2018-01-22 18:43:27 -0800 | [diff] [blame] | 45 | * @nr: I2C device adapter number, to which device is to be attached; |
Vadim Pasternak | 3048870 | 2016-10-20 16:28:01 +0000 | [diff] [blame] | 46 | * |
| 47 | * Structure represents I2C hotplug device static data (board topology) and |
| 48 | * dynamic data (related kernel objects handles). |
| 49 | */ |
Vadim Pasternak | 1f976f6 | 2018-01-17 18:21:53 +0000 | [diff] [blame] | 50 | struct mlxreg_hotplug_device { |
Vadim Pasternak | 3048870 | 2016-10-20 16:28:01 +0000 | [diff] [blame] | 51 | struct i2c_adapter *adapter; |
| 52 | struct i2c_client *client; |
Vadim Pasternak | c6acad6 | 2018-01-22 19:55:11 -0800 | [diff] [blame^] | 53 | struct i2c_board_info *brdinfo; |
Vadim Pasternak | 3d838f5 | 2018-01-22 18:43:27 -0800 | [diff] [blame] | 54 | int nr; |
Vadim Pasternak | 3048870 | 2016-10-20 16:28:01 +0000 | [diff] [blame] | 55 | }; |
| 56 | |
| 57 | /** |
Vadim Pasternak | c6acad6 | 2018-01-22 19:55:11 -0800 | [diff] [blame^] | 58 | * struct mlxreg_core_data - attributes control data: |
Vadim Pasternak | 3048870 | 2016-10-20 16:28:01 +0000 | [diff] [blame] | 59 | * |
Vadim Pasternak | c6acad6 | 2018-01-22 19:55:11 -0800 | [diff] [blame^] | 60 | * @label: attribute label; |
| 61 | * @label: attribute register offset; |
| 62 | * @reg: attribute register; |
| 63 | * @mask: attribute access mask; |
| 64 | * @mode: access mode; |
| 65 | * @bit: attribute effective bit; |
| 66 | * @np - pointer to node platform associated with attribute; |
| 67 | * @hpdev - hotplug device data; |
| 68 | * @health_cntr: dynamic device health indication counter; |
| 69 | * @attached: true if device has been attached after good health indication; |
Vadim Pasternak | 3048870 | 2016-10-20 16:28:01 +0000 | [diff] [blame] | 70 | */ |
Vadim Pasternak | c6acad6 | 2018-01-22 19:55:11 -0800 | [diff] [blame^] | 71 | struct mlxreg_core_data { |
| 72 | char label[MLXREG_CORE_LABEL_MAX_SIZE]; |
| 73 | u32 reg; |
| 74 | u32 mask; |
| 75 | u32 bit; |
| 76 | umode_t mode; |
| 77 | struct device_node *np; |
| 78 | struct mlxreg_hotplug_device hpdev; |
| 79 | u8 health_cntr; |
| 80 | bool attached; |
| 81 | }; |
| 82 | |
| 83 | /** |
| 84 | * struct mlxreg_core_item - same type components controlled by the driver: |
| 85 | * |
| 86 | * @data: component data; |
| 87 | * @aggr_mask: group aggregation mask; |
| 88 | * @reg: group interrupt status register; |
| 89 | * @mask: group interrupt mask; |
| 90 | * @cache: last status value for elements fro the same group; |
| 91 | * @count: number of available elements in the group; |
| 92 | * @ind: element's index inside the group; |
| 93 | * @inversed: if 0: 0 for signal status is OK, if 1 - 1 is OK; |
| 94 | * @health: true if device has health indication, false in other case; |
| 95 | */ |
| 96 | struct mlxreg_core_item { |
| 97 | struct mlxreg_core_data *data; |
| 98 | u32 aggr_mask; |
| 99 | u32 reg; |
| 100 | u32 mask; |
| 101 | u32 cache; |
| 102 | u8 count; |
| 103 | u8 ind; |
| 104 | u8 inversed; |
| 105 | u8 health; |
| 106 | }; |
| 107 | |
| 108 | /** |
| 109 | * struct mlxreg_core_platform_data - platform data: |
| 110 | * |
| 111 | * @led_data: led private data; |
| 112 | * @regmap: register map of parent device; |
| 113 | * @counter: number of led instances; |
| 114 | */ |
| 115 | struct mlxreg_core_platform_data { |
| 116 | struct mlxreg_core_data *data; |
| 117 | void *regmap; |
| 118 | int counter; |
| 119 | }; |
| 120 | |
| 121 | /** |
| 122 | * struct mlxreg_core_hotplug_platform_data - hotplug platform data: |
| 123 | * |
| 124 | * @items: same type components with the hotplug capability; |
| 125 | * @irq: platform interrupt number; |
| 126 | * @regmap: register map of parent device; |
| 127 | * @counter: number of the components with the hotplug capability; |
| 128 | * @cell: location of top aggregation interrupt register; |
| 129 | * @mask: top aggregation interrupt common mask; |
| 130 | * @cell_low: location of low aggregation interrupt register; |
| 131 | * @mask_low: low aggregation interrupt common mask; |
| 132 | */ |
| 133 | struct mlxreg_core_hotplug_platform_data { |
| 134 | struct mlxreg_core_item *items; |
| 135 | int irq; |
| 136 | void *regmap; |
| 137 | int counter; |
| 138 | u32 cell; |
| 139 | u32 mask; |
| 140 | u32 cell_low; |
| 141 | u32 mask_low; |
Vadim Pasternak | 3048870 | 2016-10-20 16:28:01 +0000 | [diff] [blame] | 142 | }; |
| 143 | |
Vadim Pasternak | 1f976f6 | 2018-01-17 18:21:53 +0000 | [diff] [blame] | 144 | #endif /* __LINUX_PLATFORM_DATA_MLXREG_H */ |