xref: /openbmc/linux/include/media/i2c/ir-kbd-i2c.h (revision 8730046c)
1 #ifndef _IR_I2C
2 #define _IR_I2C
3 
4 #include <media/rc-core.h>
5 
6 #define DEFAULT_POLLING_INTERVAL	100	/* ms */
7 
8 struct IR_i2c;
9 
10 struct IR_i2c {
11 	char		       *ir_codes;
12 	struct i2c_client      *c;
13 	struct rc_dev          *rc;
14 
15 	/* Used to avoid fast repeating */
16 	unsigned char          old;
17 
18 	u32                    polling_interval; /* in ms */
19 
20 	struct delayed_work    work;
21 	char                   name[32];
22 	char                   phys[32];
23 	int                    (*get_key)(struct IR_i2c *ir, enum rc_type *protocol,
24 					  u32 *scancode, u8 *toggle);
25 };
26 
27 enum ir_kbd_get_key_fn {
28 	IR_KBD_GET_KEY_CUSTOM = 0,
29 	IR_KBD_GET_KEY_PIXELVIEW,
30 	IR_KBD_GET_KEY_HAUP,
31 	IR_KBD_GET_KEY_KNC1,
32 	IR_KBD_GET_KEY_FUSIONHDTV,
33 	IR_KBD_GET_KEY_HAUP_XVR,
34 	IR_KBD_GET_KEY_AVERMEDIA_CARDBUS,
35 };
36 
37 /* Can be passed when instantiating an ir_video i2c device */
38 struct IR_i2c_init_data {
39 	char			*ir_codes;
40 	const char		*name;
41 	u64			type; /* RC_BIT_RC5, etc */
42 	u32			polling_interval; /* 0 means DEFAULT_POLLING_INTERVAL */
43 
44 	/*
45 	 * Specify either a function pointer or a value indicating one of
46 	 * ir_kbd_i2c's internal get_key functions
47 	 */
48 	int                    (*get_key)(struct IR_i2c *ir, enum rc_type *protocol,
49 					  u32 *scancode, u8 *toggle);
50 	enum ir_kbd_get_key_fn internal_get_key_func;
51 
52 	struct rc_dev		*rc_dev;
53 };
54 #endif
55