rmi_driver.h 2.9 KB

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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. #ifndef _RMI_DRIVER_H
  10. #define _RMI_DRIVER_H
  11. #include <linux/ctype.h>
  12. #include <linux/hrtimer.h>
  13. #include <linux/ktime.h>
  14. #include <linux/input.h>
  15. #include "rmi_bus.h"
  16. #define RMI_DRIVER_VERSION "2.0"
  17. #define SYNAPTICS_INPUT_DEVICE_NAME "Synaptics RMI4 Touch Sensor"
  18. #define SYNAPTICS_VENDOR_ID 0x06cb
  19. #define GROUP(_attrs) { \
  20. .attrs = _attrs, \
  21. }
  22. #define PDT_PROPERTIES_LOCATION 0x00EF
  23. #define BSR_LOCATION 0x00FE
  24. #define RMI_PDT_PROPS_HAS_BSR 0x02
  25. #define NAME_BUFFER_SIZE 256
  26. #define RMI_PDT_ENTRY_SIZE 6
  27. #define RMI_PDT_FUNCTION_VERSION_MASK 0x60
  28. #define RMI_PDT_INT_SOURCE_COUNT_MASK 0x07
  29. #define PDT_START_SCAN_LOCATION 0x00e9
  30. #define PDT_END_SCAN_LOCATION 0x0005
  31. #define RMI4_END_OF_PDT(id) ((id) == 0x00 || (id) == 0xff)
  32. struct pdt_entry {
  33. u16 page_start;
  34. u8 query_base_addr;
  35. u8 command_base_addr;
  36. u8 control_base_addr;
  37. u8 data_base_addr;
  38. u8 interrupt_source_count;
  39. u8 function_version;
  40. u8 function_number;
  41. };
  42. int rmi_read_pdt_entry(struct rmi_device *rmi_dev, struct pdt_entry *entry,
  43. u16 pdt_address);
  44. #define RMI_REG_DESC_PRESENSE_BITS (32 * BITS_PER_BYTE)
  45. #define RMI_REG_DESC_SUBPACKET_BITS (37 * BITS_PER_BYTE)
  46. /* describes a single packet register */
  47. struct rmi_register_desc_item {
  48. u16 reg;
  49. unsigned long reg_size;
  50. u8 num_subpackets;
  51. unsigned long subpacket_map[BITS_TO_LONGS(
  52. RMI_REG_DESC_SUBPACKET_BITS)];
  53. };
  54. /*
  55. * describes the packet registers for a particular type
  56. * (ie query, control, data)
  57. */
  58. struct rmi_register_descriptor {
  59. unsigned long struct_size;
  60. unsigned long presense_map[BITS_TO_LONGS(RMI_REG_DESC_PRESENSE_BITS)];
  61. u8 num_registers;
  62. struct rmi_register_desc_item *registers;
  63. };
  64. int rmi_read_register_desc(struct rmi_device *d, u16 addr,
  65. struct rmi_register_descriptor *rdesc);
  66. const struct rmi_register_desc_item *rmi_get_register_desc_item(
  67. struct rmi_register_descriptor *rdesc, u16 reg);
  68. /*
  69. * Calculate the total size of all of the registers described in the
  70. * descriptor.
  71. */
  72. size_t rmi_register_desc_calc_size(struct rmi_register_descriptor *rdesc);
  73. int rmi_register_desc_calc_reg_offset(
  74. struct rmi_register_descriptor *rdesc, u16 reg);
  75. bool rmi_register_desc_has_subpacket(const struct rmi_register_desc_item *item,
  76. u8 subpacket);
  77. bool rmi_is_physical_driver(struct device_driver *);
  78. int rmi_register_physical_driver(void);
  79. void rmi_unregister_physical_driver(void);
  80. char *rmi_f01_get_product_ID(struct rmi_function *fn);
  81. extern struct rmi_function_handler rmi_f01_handler;
  82. extern struct rmi_function_handler rmi_f11_handler;
  83. extern struct rmi_function_handler rmi_f12_handler;
  84. extern struct rmi_function_handler rmi_f30_handler;
  85. extern struct rmi_function_handler rmi_f54_handler;
  86. #endif