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/*
* Copyright (c) 2011-2016 Synaptics Incorporated
* Copyright (c) 2011 Unixphere
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*/
#ifndef _RMI_DRIVER_H
#define _RMI_DRIVER_H
#include <linux/ctype.h>
#include <linux/hrtimer.h>
#include <linux/ktime.h>
#include <linux/input.h>
#include "rmi_bus.h"
#define RMI_DRIVER_VERSION "2.0"
#define SYNAPTICS_INPUT_DEVICE_NAME "Synaptics RMI4 Touch Sensor"
#define SYNAPTICS_VENDOR_ID 0x06cb
#define GROUP(_attrs) { \
.attrs = _attrs, \
}
#define PDT_PROPERTIES_LOCATION 0x00EF
#define BSR_LOCATION 0x00FE
#define RMI_PDT_PROPS_HAS_BSR 0x02
#define NAME_BUFFER_SIZE 256
#define RMI_PDT_ENTRY_SIZE 6
#define RMI_PDT_FUNCTION_VERSION_MASK 0x60
#define RMI_PDT_INT_SOURCE_COUNT_MASK 0x07
#define PDT_START_SCAN_LOCATION 0x00e9
#define PDT_END_SCAN_LOCATION 0x0005
#define RMI4_END_OF_PDT(id) ((id) == 0x00 || (id) == 0xff)
struct pdt_entry {
u16 page_start;
u8 query_base_addr;
u8 command_base_addr;
u8 control_base_addr;
u8 data_base_addr;
u8 interrupt_source_count;
u8 function_version;
u8 function_number;
};
int rmi_read_pdt_entry(struct rmi_device *rmi_dev, struct pdt_entry *entry,
u16 pdt_address);
#define RMI_REG_DESC_PRESENSE_BITS (32 * BITS_PER_BYTE)
#define RMI_REG_DESC_SUBPACKET_BITS (37 * BITS_PER_BYTE)
/* describes a single packet register */
struct rmi_register_desc_item {
u16 reg;
unsigned long reg_size;
u8 num_subpackets;
unsigned long subpacket_map[BITS_TO_LONGS(
RMI_REG_DESC_SUBPACKET_BITS)];
};
/*
* describes the packet registers for a particular type
* (ie query, control, data)
*/
struct rmi_register_descriptor {
unsigned long struct_size;
unsigned long presense_map[BITS_TO_LONGS(RMI_REG_DESC_PRESENSE_BITS)];
u8 num_registers;
struct rmi_register_desc_item *registers;
};
int rmi_read_register_desc(struct rmi_device *d, u16 addr,
struct rmi_register_descriptor *rdesc);
const struct rmi_register_desc_item *rmi_get_register_desc_item(
struct rmi_register_descriptor *rdesc, u16 reg);
/*
* Calculate the total size of all of the registers described in the
* descriptor.
*/
size_t rmi_register_desc_calc_size(struct rmi_register_descriptor *rdesc);
int rmi_register_desc_calc_reg_offset(
struct rmi_register_descriptor *rdesc, u16 reg);
bool rmi_register_desc_has_subpacket(const struct rmi_register_desc_item *item,
u8 subpacket);
bool rmi_is_physical_driver(struct device_driver *);
int rmi_register_physical_driver(void);
void rmi_unregister_physical_driver(void);
char *rmi_f01_get_product_ID(struct rmi_function *fn);
extern struct rmi_function_handler rmi_f01_handler;
extern struct rmi_function_handler rmi_f11_handler;
extern struct rmi_function_handler rmi_f12_handler;
extern struct rmi_function_handler rmi_f30_handler;
extern struct rmi_function_handler rmi_f54_handler;
#endif
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