projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 2b6a321d AD |
1 | /* |
| 2 | * Copyright (c) 2011-2016 Synaptics Incorporated | |
| 3 | * Copyright (c) 2011 Unixphere | |
| 4 | * | |
| 5 | * This program is free software; you can redistribute it and/or modify it | |
| 6 | * under the terms of the GNU General Public License version 2 as published by | |
| 7 | * the Free Software Foundation. | |
| 8 | */ | |
| 9 | ||
| 10 | #ifndef _RMI_DRIVER_H | |
| 11 | #define _RMI_DRIVER_H | |
| 12 | ||
| 13 | #include <linux/ctype.h> | |
| 14 | #include <linux/hrtimer.h> | |
| 15 | #include <linux/ktime.h> | |
| 16 | #include <linux/input.h> | |
| 17 | #include "rmi_bus.h" | |
| 18 | ||
| 19 | #define RMI_DRIVER_VERSION "2.0" | |
| 20 | ||
| 21 | #define SYNAPTICS_INPUT_DEVICE_NAME "Synaptics RMI4 Touch Sensor" | |
| 22 | #define SYNAPTICS_VENDOR_ID 0x06cb | |
| 23 | ||
| 24 | #define GROUP(_attrs) { \ | |
| 25 | .attrs = _attrs, \ | |
| 26 | } | |
| 27 | ||
| 28 | #define PDT_PROPERTIES_LOCATION 0x00EF | |
| 29 | #define BSR_LOCATION 0x00FE | |
| 30 | ||
| 31 | #define RMI_PDT_PROPS_HAS_BSR 0x02 | |
| 32 | ||
| 33 | #define NAME_BUFFER_SIZE 256 | |
| 34 | ||
| 35 | #define RMI_PDT_ENTRY_SIZE 6 | |
| 36 | #define RMI_PDT_FUNCTION_VERSION_MASK 0x60 | |
| 37 | #define RMI_PDT_INT_SOURCE_COUNT_MASK 0x07 | |
| 38 | ||
| 39 | #define PDT_START_SCAN_LOCATION 0x00e9 | |
| 40 | #define PDT_END_SCAN_LOCATION 0x0005 | |
| 41 | #define RMI4_END_OF_PDT(id) ((id) == 0x00 || (id) == 0xff) | |
| 42 | ||
| 43 | struct pdt_entry { | |
| 44 | u16 page_start; | |
| 45 | u8 query_base_addr; | |
| 46 | u8 command_base_addr; | |
| 47 | u8 control_base_addr; | |
| 48 | u8 data_base_addr; | |
| 49 | u8 interrupt_source_count; | |
| 50 | u8 function_version; | |
| 51 | u8 function_number; | |
| 52 | }; | |
| 53 | ||
| 54 | int rmi_read_pdt_entry(struct rmi_device *rmi_dev, struct pdt_entry *entry, | |
| 55 | u16 pdt_address); | |
| 56 | ||
| 57 | #define RMI_REG_DESC_PRESENSE_BITS (32 * BITS_PER_BYTE) | |
| 58 | #define RMI_REG_DESC_SUBPACKET_BITS (37 * BITS_PER_BYTE) | |
| 59 | ||
| 60 | /* describes a single packet register */ | |
| 61 | struct rmi_register_desc_item { | |
| 62 | u16 reg; | |
| 63 | unsigned long reg_size; | |
| 64 | u8 num_subpackets; | |
| 65 | unsigned long subpacket_map[BITS_TO_LONGS( | |
| 66 | RMI_REG_DESC_SUBPACKET_BITS)]; | |
| 67 | }; | |
| 68 | ||
| 69 | /* | |
| 70 | * describes the packet registers for a particular type | |
| 71 | * (ie query, control, data) | |
| 72 | */ | |
| 73 | struct rmi_register_descriptor { | |
| 74 | unsigned long struct_size; | |
| 75 | unsigned long presense_map[BITS_TO_LONGS(RMI_REG_DESC_PRESENSE_BITS)]; | |
| 76 | u8 num_registers; | |
| 77 | struct rmi_register_desc_item *registers; | |
| 78 | }; | |
| 79 | ||
| 80 | int rmi_read_register_desc(struct rmi_device *d, u16 addr, | |
| 81 | struct rmi_register_descriptor *rdesc); | |
| 82 | const struct rmi_register_desc_item *rmi_get_register_desc_item( | |
| 83 | struct rmi_register_descriptor *rdesc, u16 reg); | |
| 84 | ||
| 85 | /* | |
| 86 | * Calculate the total size of all of the registers described in the | |
| 87 | * descriptor. | |
| 88 | */ | |
| 89 | size_t rmi_register_desc_calc_size(struct rmi_register_descriptor *rdesc); | |
| 90 | int rmi_register_desc_calc_reg_offset( | |
| 91 | struct rmi_register_descriptor *rdesc, u16 reg); | |
| 92 | bool rmi_register_desc_has_subpacket(const struct rmi_register_desc_item *item, | |
| 93 | u8 subpacket); | |
| 94 | ||
| 95 | bool rmi_is_physical_driver(struct device_driver *); | |
| 96 | int rmi_register_physical_driver(void); | |
| 97 | void rmi_unregister_physical_driver(void); | |
| 98 | ||
| 99 | char *rmi_f01_get_product_ID(struct rmi_function *fn); | |
| 100 | ||
| 101 | extern struct rmi_function_handler rmi_f01_handler; | |
| ff8f8370 | 102 | extern struct rmi_function_handler rmi_f11_handler; |
| b43d2c1e | 103 | extern struct rmi_function_handler rmi_f12_handler; |
| 562b42d3 | 104 | extern struct rmi_function_handler rmi_f30_handler; |
| 3a762dbd | 105 | extern struct rmi_function_handler rmi_f54_handler; |
| 2b6a321d | 106 | #endif |