/include/linux/input/rmi_i2c.h

https://github.com/airy09/android_kernel_sony_apq8064 · C Header · 58 lines · 11 code · 6 blank · 41 comment · 0 complexity · e87fba0adc64c9fab412ddfd0702afbd MD5 · raw file 

    

  1. /**
    2. 

  2.  *
    3. 

  3.  * Synaptics RMI over I2C Physical Layer Driver Header File.
    4. 

  4.  * Copyright (c) 2007 - 2011, Synaptics Incorporated
    5. 

  5.  *
    6. 

  6.  */
    7. 

  7. /*
    8. 

  8.  * This file is licensed under the GPL2 license.
    9. 

  9.  *
    10. 

  10.  *#############################################################################
    11. 

  11.  * GPL
    12. 

  12.  *
    13. 

  13.  * This program is free software; you can redistribute it and/or modify it
    14. 

  14.  * under the terms of the GNU General Public License version 2 as published
    15. 

  15.  * by the Free Software Foundation.
    16. 

  16.  *
    17. 

  17.  * This program is distributed in the hope that it will be useful, but
    18. 

  18.  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
    19. 

  19.  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    20. 

  20.  * for more details.
    21. 

  21.  *
    22. 

  22.  *#############################################################################
    23. 

  23.  */
    24. 

  24. 

  25. #ifndef _RMI_I2C_H
    26. 

  26. #define _RMI_I2C_H
    27. 

  27. 

  28. #include <linux/input/rmi_platformdata.h>
    29. 

  29. 

  30. /* Sensor-specific configuration data, to be included as the platform data
    31. 

  31.  * for the relevant i2c_board_info entry.
    32. 

  32.  *
    33. 

  33.  * This describes a single RMI4 sensor on an I2C bus, including:
    34. 

  34.  * its I2C address, IRQ (if any), the type of IRQ (if applicable), and an
    35. 

  35.  * optional list of any non-default settings (on a per function basis)
    36. 

  36.  * to be applied at start up.
    37. 

  37.  */
    38. 

  38. struct rmi_i2c_platformdata {
    39. 

  39. 	/* The seven-bit i2c address of the sensor. */
    40. 

  40. 	int i2c_address;
    41. 

  41. 	/* The number of the irq.  Set to zero if polling is required. */
    42. 

  42. 	int irq;
    43. 

  43. 	/* The type of the irq (e.g., IRQF_TRIGGER_FALLING).
    44. 

  44. 	 * Only valid if irq != 0 */
    45. 

  45. 	int irq_type;
    46. 

  46. 

  47. 	/* If >0, the driver will delay this many milliseconds before attempting
    48. 

  48. 	 * I2C communications.  This is necessary because some horribly broken
    49. 

  49. 	 * development systems don't bring their I2C up very fast after system
    50. 

  50. 	 * power on or reboot.  In most cases, you can safely ignore this.
    51. 

  51. 	 */
    52. 

  52. 	int delay_ms;
    53. 

  53. 

  54. 	/* Use this to specify platformdata that is not I2C specific. */
    55. 

  55. 	struct rmi_sensordata *sensordata;
    56. 

  56. };
    57. 

  57. 

  58. #endif
    59.