2 * Copyright (c) 2011-2016 Synaptics Incorporated
3 * Copyright (c) 2011 Unixphere
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.
13 #include <linux/ctype.h>
14 #include <linux/hrtimer.h>
15 #include <linux/ktime.h>
16 #include <linux/input.h>
19 #define RMI_DRIVER_VERSION "2.0"
21 #define SYNAPTICS_INPUT_DEVICE_NAME "Synaptics RMI4 Touch Sensor"
22 #define SYNAPTICS_VENDOR_ID 0x06cb
24 #define GROUP(_attrs) { \
28 #define PDT_PROPERTIES_LOCATION 0x00EF
29 #define BSR_LOCATION 0x00FE
31 #define RMI_PDT_PROPS_HAS_BSR 0x02
33 #define NAME_BUFFER_SIZE 256
35 #define RMI_PDT_ENTRY_SIZE 6
36 #define RMI_PDT_FUNCTION_VERSION_MASK 0x60
37 #define RMI_PDT_INT_SOURCE_COUNT_MASK 0x07
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)
49 u8 interrupt_source_count
;
54 #define RMI_REG_DESC_PRESENSE_BITS (32 * BITS_PER_BYTE)
55 #define RMI_REG_DESC_SUBPACKET_BITS (37 * BITS_PER_BYTE)
57 /* describes a single packet register */
58 struct rmi_register_desc_item
{
60 unsigned long reg_size
;
62 unsigned long subpacket_map
[BITS_TO_LONGS(
63 RMI_REG_DESC_SUBPACKET_BITS
)];
67 * describes the packet registers for a particular type
68 * (ie query, control, data)
70 struct rmi_register_descriptor
{
71 unsigned long struct_size
;
72 unsigned long presense_map
[BITS_TO_LONGS(RMI_REG_DESC_PRESENSE_BITS
)];
74 struct rmi_register_desc_item
*registers
;
77 int rmi_read_register_desc(struct rmi_device
*d
, u16 addr
,
78 struct rmi_register_descriptor
*rdesc
);
79 const struct rmi_register_desc_item
*rmi_get_register_desc_item(
80 struct rmi_register_descriptor
*rdesc
, u16 reg
);
83 * Calculate the total size of all of the registers described in the
86 size_t rmi_register_desc_calc_size(struct rmi_register_descriptor
*rdesc
);
87 int rmi_register_desc_calc_reg_offset(
88 struct rmi_register_descriptor
*rdesc
, u16 reg
);
89 bool rmi_register_desc_has_subpacket(const struct rmi_register_desc_item
*item
,
92 bool rmi_is_physical_driver(struct device_driver
*);
93 int rmi_register_physical_driver(void);
94 void rmi_unregister_physical_driver(void);
95 void rmi_free_function_list(struct rmi_device
*rmi_dev
);
96 struct rmi_function
*rmi_find_function(struct rmi_device
*rmi_dev
, u8 number
);
97 int rmi_enable_sensor(struct rmi_device
*rmi_dev
);
98 int rmi_scan_pdt(struct rmi_device
*rmi_dev
, void *ctx
,
99 int (*callback
)(struct rmi_device
*rmi_dev
, void *ctx
,
100 const struct pdt_entry
*entry
));
101 int rmi_probe_interrupts(struct rmi_driver_data
*data
);
102 void rmi_enable_irq(struct rmi_device
*rmi_dev
, bool clear_wake
);
103 void rmi_disable_irq(struct rmi_device
*rmi_dev
, bool enable_wake
);
104 int rmi_init_functions(struct rmi_driver_data
*data
);
105 int rmi_initial_reset(struct rmi_device
*rmi_dev
, void *ctx
,
106 const struct pdt_entry
*pdt
);
108 const char *rmi_f01_get_product_ID(struct rmi_function
*fn
);
110 #ifdef CONFIG_RMI4_F03
111 int rmi_f03_overwrite_button(struct rmi_function
*fn
, unsigned int button
,
113 void rmi_f03_commit_buttons(struct rmi_function
*fn
);
115 static inline int rmi_f03_overwrite_button(struct rmi_function
*fn
,
116 unsigned int button
, int value
)
120 static inline void rmi_f03_commit_buttons(struct rmi_function
*fn
) {}
123 #ifdef CONFIG_RMI4_F34
124 int rmi_f34_create_sysfs(struct rmi_device
*rmi_dev
);
125 void rmi_f34_remove_sysfs(struct rmi_device
*rmi_dev
);
127 static inline int rmi_f34_create_sysfs(struct rmi_device
*rmi_dev
)
132 static inline void rmi_f34_remove_sysfs(struct rmi_device
*rmi_dev
)
135 #endif /* CONFIG_RMI_F34 */
137 extern struct rmi_function_handler rmi_f01_handler
;
138 extern struct rmi_function_handler rmi_f03_handler
;
139 extern struct rmi_function_handler rmi_f11_handler
;
140 extern struct rmi_function_handler rmi_f12_handler
;
141 extern struct rmi_function_handler rmi_f30_handler
;
142 extern struct rmi_function_handler rmi_f34_handler
;
143 extern struct rmi_function_handler rmi_f54_handler
;
144 extern struct rmi_function_handler rmi_f55_handler
;