106 lines
2.9 KiB
C
106 lines
2.9 KiB
C
/*
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* Copyright (c) 2011-2016 Synaptics Incorporated
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* Copyright (c) 2011 Unixphere
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*/
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#ifndef _RMI_DRIVER_H
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#define _RMI_DRIVER_H
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#include <linux/ctype.h>
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#include <linux/hrtimer.h>
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#include <linux/ktime.h>
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#include <linux/input.h>
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#include "rmi_bus.h"
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#define RMI_DRIVER_VERSION "2.0"
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#define SYNAPTICS_INPUT_DEVICE_NAME "Synaptics RMI4 Touch Sensor"
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#define SYNAPTICS_VENDOR_ID 0x06cb
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#define GROUP(_attrs) { \
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.attrs = _attrs, \
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}
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#define PDT_PROPERTIES_LOCATION 0x00EF
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#define BSR_LOCATION 0x00FE
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#define RMI_PDT_PROPS_HAS_BSR 0x02
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#define NAME_BUFFER_SIZE 256
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#define RMI_PDT_ENTRY_SIZE 6
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#define RMI_PDT_FUNCTION_VERSION_MASK 0x60
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#define RMI_PDT_INT_SOURCE_COUNT_MASK 0x07
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#define PDT_START_SCAN_LOCATION 0x00e9
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#define PDT_END_SCAN_LOCATION 0x0005
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#define RMI4_END_OF_PDT(id) ((id) == 0x00 || (id) == 0xff)
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struct pdt_entry {
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u16 page_start;
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u8 query_base_addr;
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u8 command_base_addr;
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u8 control_base_addr;
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u8 data_base_addr;
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u8 interrupt_source_count;
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u8 function_version;
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u8 function_number;
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};
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int rmi_read_pdt_entry(struct rmi_device *rmi_dev, struct pdt_entry *entry,
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u16 pdt_address);
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#define RMI_REG_DESC_PRESENSE_BITS (32 * BITS_PER_BYTE)
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#define RMI_REG_DESC_SUBPACKET_BITS (37 * BITS_PER_BYTE)
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/* describes a single packet register */
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struct rmi_register_desc_item {
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u16 reg;
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unsigned long reg_size;
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u8 num_subpackets;
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unsigned long subpacket_map[BITS_TO_LONGS(
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RMI_REG_DESC_SUBPACKET_BITS)];
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};
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/*
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* describes the packet registers for a particular type
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* (ie query, control, data)
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*/
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struct rmi_register_descriptor {
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unsigned long struct_size;
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unsigned long presense_map[BITS_TO_LONGS(RMI_REG_DESC_PRESENSE_BITS)];
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u8 num_registers;
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struct rmi_register_desc_item *registers;
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};
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int rmi_read_register_desc(struct rmi_device *d, u16 addr,
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struct rmi_register_descriptor *rdesc);
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const struct rmi_register_desc_item *rmi_get_register_desc_item(
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struct rmi_register_descriptor *rdesc, u16 reg);
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/*
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* Calculate the total size of all of the registers described in the
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* descriptor.
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*/
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size_t rmi_register_desc_calc_size(struct rmi_register_descriptor *rdesc);
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int rmi_register_desc_calc_reg_offset(
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struct rmi_register_descriptor *rdesc, u16 reg);
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bool rmi_register_desc_has_subpacket(const struct rmi_register_desc_item *item,
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u8 subpacket);
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bool rmi_is_physical_driver(struct device_driver *);
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int rmi_register_physical_driver(void);
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void rmi_unregister_physical_driver(void);
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char *rmi_f01_get_product_ID(struct rmi_function *fn);
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extern struct rmi_function_handler rmi_f01_handler;
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extern struct rmi_function_handler rmi_f11_handler;
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extern struct rmi_function_handler rmi_f12_handler;
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extern struct rmi_function_handler rmi_f30_handler;
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#endif
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