xref: /openbmc/linux/include/media/i2c/ir-kbd-i2c.h (revision bf070bb0)
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
58