include/media/i2c/ir-kbd-i2c.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _IR_I2C
   3 #define _IR_I2C
   4
   5 #include <media/rc-core.h>
   6
   7 #define DEFAULT_POLLING_INTERVAL        100     /* ms */
   8
   9 struct IR_i2c;
  10
  11 struct IR_i2c {
  12         char                   *ir_codes;
  13         struct i2c_client      *c;
  14         struct rc_dev          *rc;
  15
  16         /* Used to avoid fast repeating */
  17         unsigned char          old;
  18
  19         u32                    polling_interval; /* in ms */
  20
  21         struct delayed_work    work;
  22         char                   name[32];
  23         char                   phys[32];
  24         int                    (*get_key)(struct IR_i2c *ir,
  25                                           enum rc_proto *protocol,
  26                                           u32 *scancode, u8 *toggle);
  27 };
  28
  29 enum ir_kbd_get_key_fn {
  30         IR_KBD_GET_KEY_CUSTOM = 0,
  31         IR_KBD_GET_KEY_PIXELVIEW,
  32         IR_KBD_GET_KEY_HAUP,
  33         IR_KBD_GET_KEY_KNC1,
  34         IR_KBD_GET_KEY_FUSIONHDTV,
  35         IR_KBD_GET_KEY_HAUP_XVR,
  36         IR_KBD_GET_KEY_AVERMEDIA_CARDBUS,
  37 };
  38
  39 /* Can be passed when instantiating an ir_video i2c device */
  40 struct IR_i2c_init_data {
  41         char                    *ir_codes;
  42         const char              *name;
  43         u64                     type; /* RC_PROTO_BIT_RC5, etc */
  44         u32                     polling_interval; /* 0 means DEFAULT_POLLING_INTERVAL */
  45
  46         /*
  47          * Specify either a function pointer or a value indicating one of
  48          * ir_kbd_i2c's internal get_key functions
  49          */
  50         int                    (*get_key)(struct IR_i2c *ir,
  51                                           enum rc_proto *protocol,
  52                                           u32 *scancode, u8 *toggle);
  53         enum ir_kbd_get_key_fn internal_get_key_func;
  54
  55         struct rc_dev           *rc_dev;
  56 };
  57 #endif