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141 lines
4.2 KiB
141 lines
4.2 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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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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#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 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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#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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void rmi_free_function_list(struct rmi_device *rmi_dev); |
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struct rmi_function *rmi_find_function(struct rmi_device *rmi_dev, u8 number); |
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int rmi_enable_sensor(struct rmi_device *rmi_dev); |
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int rmi_scan_pdt(struct rmi_device *rmi_dev, void *ctx, |
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int (*callback)(struct rmi_device *rmi_dev, void *ctx, |
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const struct pdt_entry *entry)); |
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int rmi_probe_interrupts(struct rmi_driver_data *data); |
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void rmi_enable_irq(struct rmi_device *rmi_dev, bool clear_wake); |
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void rmi_disable_irq(struct rmi_device *rmi_dev, bool enable_wake); |
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int rmi_init_functions(struct rmi_driver_data *data); |
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int rmi_initial_reset(struct rmi_device *rmi_dev, void *ctx, |
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const struct pdt_entry *pdt); |
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const char *rmi_f01_get_product_ID(struct rmi_function *fn); |
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#ifdef CONFIG_RMI4_F03 |
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int rmi_f03_overwrite_button(struct rmi_function *fn, unsigned int button, |
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int value); |
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void rmi_f03_commit_buttons(struct rmi_function *fn); |
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#else |
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static inline int rmi_f03_overwrite_button(struct rmi_function *fn, |
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unsigned int button, int value) |
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{ |
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return 0; |
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} |
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static inline void rmi_f03_commit_buttons(struct rmi_function *fn) {} |
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#endif |
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#ifdef CONFIG_RMI4_F34 |
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int rmi_f34_create_sysfs(struct rmi_device *rmi_dev); |
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void rmi_f34_remove_sysfs(struct rmi_device *rmi_dev); |
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#else |
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static inline int rmi_f34_create_sysfs(struct rmi_device *rmi_dev) |
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{ |
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return 0; |
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} |
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static inline void rmi_f34_remove_sysfs(struct rmi_device *rmi_dev) |
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{ |
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} |
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#endif /* CONFIG_RMI_F34 */ |
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extern struct rmi_function_handler rmi_f01_handler; |
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extern struct rmi_function_handler rmi_f03_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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extern struct rmi_function_handler rmi_f34_handler; |
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extern struct rmi_function_handler rmi_f3a_handler; |
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extern struct rmi_function_handler rmi_f54_handler; |
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extern struct rmi_function_handler rmi_f55_handler; |
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#endif
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