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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; |
2b6a321d | 105 | #endif |