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 phys[32]; 23 int (*get_key)(struct IR_i2c *ir, 24 enum rc_proto *protocol, 25 u32 *scancode, u8 *toggle); 26 /* tx */ 27 struct i2c_client *tx_c; 28 struct mutex lock; /* do not poll Rx during Tx */ 29 unsigned int carrier; 30 unsigned int duty_cycle; 31 }; 32 33 enum ir_kbd_get_key_fn { 34 IR_KBD_GET_KEY_CUSTOM = 0, 35 IR_KBD_GET_KEY_PIXELVIEW, 36 IR_KBD_GET_KEY_HAUP, 37 IR_KBD_GET_KEY_KNC1, 38 IR_KBD_GET_KEY_FUSIONHDTV, 39 IR_KBD_GET_KEY_HAUP_XVR, 40 IR_KBD_GET_KEY_AVERMEDIA_CARDBUS, 41 }; 42 43 /* Can be passed when instantiating an ir_video i2c device */ 44 struct IR_i2c_init_data { 45 char *ir_codes; 46 const char *name; 47 u64 type; /* RC_PROTO_BIT_RC5, etc */ 48 u32 polling_interval; /* 0 means DEFAULT_POLLING_INTERVAL */ 49 50 /* 51 * Specify either a function pointer or a value indicating one of 52 * ir_kbd_i2c's internal get_key functions 53 */ 54 int (*get_key)(struct IR_i2c *ir, 55 enum rc_proto *protocol, 56 u32 *scancode, u8 *toggle); 57 enum ir_kbd_get_key_fn internal_get_key_func; 58 59 struct rc_dev *rc_dev; 60 }; 61 #endif 62