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1  /*
2   * lirc.h - linux infrared remote control header file
3   * last modified 2010/07/13 by Jarod Wilson
4   */
5  
6  #ifndef _LINUX_LIRC_H
7  #define _LINUX_LIRC_H
8  
9  #include <linux/types.h>
10  #include <linux/ioctl.h>
11  
12  #define PULSE_BIT       0x01000000
13  #define PULSE_MASK      0x00FFFFFF
14  
15  #define LIRC_MODE2_SPACE     0x00000000
16  #define LIRC_MODE2_PULSE     0x01000000
17  #define LIRC_MODE2_FREQUENCY 0x02000000
18  #define LIRC_MODE2_TIMEOUT   0x03000000
19  
20  #define LIRC_VALUE_MASK      0x00FFFFFF
21  #define LIRC_MODE2_MASK      0xFF000000
22  
23  #define LIRC_SPACE(val) (((val)&LIRC_VALUE_MASK) | LIRC_MODE2_SPACE)
24  #define LIRC_PULSE(val) (((val)&LIRC_VALUE_MASK) | LIRC_MODE2_PULSE)
25  #define LIRC_FREQUENCY(val) (((val)&LIRC_VALUE_MASK) | LIRC_MODE2_FREQUENCY)
26  #define LIRC_TIMEOUT(val) (((val)&LIRC_VALUE_MASK) | LIRC_MODE2_TIMEOUT)
27  
28  #define LIRC_VALUE(val) ((val)&LIRC_VALUE_MASK)
29  #define LIRC_MODE2(val) ((val)&LIRC_MODE2_MASK)
30  
31  #define LIRC_IS_SPACE(val) (LIRC_MODE2(val) == LIRC_MODE2_SPACE)
32  #define LIRC_IS_PULSE(val) (LIRC_MODE2(val) == LIRC_MODE2_PULSE)
33  #define LIRC_IS_FREQUENCY(val) (LIRC_MODE2(val) == LIRC_MODE2_FREQUENCY)
34  #define LIRC_IS_TIMEOUT(val) (LIRC_MODE2(val) == LIRC_MODE2_TIMEOUT)
35  
36  /* used heavily by lirc userspace */
37  #define lirc_t int
38  
39  /*** lirc compatible hardware features ***/
40  
41  #define LIRC_MODE2SEND(x) (x)
42  #define LIRC_SEND2MODE(x) (x)
43  #define LIRC_MODE2REC(x) ((x) << 16)
44  #define LIRC_REC2MODE(x) ((x) >> 16)
45  
46  #define LIRC_MODE_RAW                  0x00000001
47  #define LIRC_MODE_PULSE                0x00000002
48  #define LIRC_MODE_MODE2                0x00000004
49  #define LIRC_MODE_LIRCCODE             0x00000010
50  
51  
52  #define LIRC_CAN_SEND_RAW              LIRC_MODE2SEND(LIRC_MODE_RAW)
53  #define LIRC_CAN_SEND_PULSE            LIRC_MODE2SEND(LIRC_MODE_PULSE)
54  #define LIRC_CAN_SEND_MODE2            LIRC_MODE2SEND(LIRC_MODE_MODE2)
55  #define LIRC_CAN_SEND_LIRCCODE         LIRC_MODE2SEND(LIRC_MODE_LIRCCODE)
56  
57  #define LIRC_CAN_SEND_MASK             0x0000003f
58  
59  #define LIRC_CAN_SET_SEND_CARRIER      0x00000100
60  #define LIRC_CAN_SET_SEND_DUTY_CYCLE   0x00000200
61  #define LIRC_CAN_SET_TRANSMITTER_MASK  0x00000400
62  
63  #define LIRC_CAN_REC_RAW               LIRC_MODE2REC(LIRC_MODE_RAW)
64  #define LIRC_CAN_REC_PULSE             LIRC_MODE2REC(LIRC_MODE_PULSE)
65  #define LIRC_CAN_REC_MODE2             LIRC_MODE2REC(LIRC_MODE_MODE2)
66  #define LIRC_CAN_REC_LIRCCODE          LIRC_MODE2REC(LIRC_MODE_LIRCCODE)
67  
68  #define LIRC_CAN_REC_MASK              LIRC_MODE2REC(LIRC_CAN_SEND_MASK)
69  
70  #define LIRC_CAN_SET_REC_CARRIER       (LIRC_CAN_SET_SEND_CARRIER << 16)
71  #define LIRC_CAN_SET_REC_DUTY_CYCLE    (LIRC_CAN_SET_SEND_DUTY_CYCLE << 16)
72  
73  #define LIRC_CAN_SET_REC_DUTY_CYCLE_RANGE 0x40000000
74  #define LIRC_CAN_SET_REC_CARRIER_RANGE    0x80000000
75  #define LIRC_CAN_GET_REC_RESOLUTION       0x20000000
76  #define LIRC_CAN_SET_REC_TIMEOUT          0x10000000
77  #define LIRC_CAN_SET_REC_FILTER           0x08000000
78  
79  #define LIRC_CAN_MEASURE_CARRIER          0x02000000
80  #define LIRC_CAN_USE_WIDEBAND_RECEIVER    0x04000000
81  
82  #define LIRC_CAN_SEND(x) ((x)&LIRC_CAN_SEND_MASK)
83  #define LIRC_CAN_REC(x) ((x)&LIRC_CAN_REC_MASK)
84  
85  #define LIRC_CAN_NOTIFY_DECODE            0x01000000
86  
87  /*** IOCTL commands for lirc driver ***/
88  
89  #define LIRC_GET_FEATURES              _IOR('i', 0x00000000, __u32)
90  
91  #define LIRC_GET_SEND_MODE             _IOR('i', 0x00000001, __u32)
92  #define LIRC_GET_REC_MODE              _IOR('i', 0x00000002, __u32)
93  #define LIRC_GET_REC_RESOLUTION        _IOR('i', 0x00000007, __u32)
94  
95  #define LIRC_GET_MIN_TIMEOUT           _IOR('i', 0x00000008, __u32)
96  #define LIRC_GET_MAX_TIMEOUT           _IOR('i', 0x00000009, __u32)
97  
98  /* code length in bits, currently only for LIRC_MODE_LIRCCODE */
99  #define LIRC_GET_LENGTH                _IOR('i', 0x0000000f, __u32)
100  
101  #define LIRC_SET_SEND_MODE             _IOW('i', 0x00000011, __u32)
102  #define LIRC_SET_REC_MODE              _IOW('i', 0x00000012, __u32)
103  /* Note: these can reset the according pulse_width */
104  #define LIRC_SET_SEND_CARRIER          _IOW('i', 0x00000013, __u32)
105  #define LIRC_SET_REC_CARRIER           _IOW('i', 0x00000014, __u32)
106  #define LIRC_SET_SEND_DUTY_CYCLE       _IOW('i', 0x00000015, __u32)
107  #define LIRC_SET_TRANSMITTER_MASK      _IOW('i', 0x00000017, __u32)
108  
109  /*
110   * when a timeout != 0 is set the driver will send a
111   * LIRC_MODE2_TIMEOUT data packet, otherwise LIRC_MODE2_TIMEOUT is
112   * never sent, timeout is disabled by default
113   */
114  #define LIRC_SET_REC_TIMEOUT           _IOW('i', 0x00000018, __u32)
115  
116  /* 1 enables, 0 disables timeout reports in MODE2 */
117  #define LIRC_SET_REC_TIMEOUT_REPORTS   _IOW('i', 0x00000019, __u32)
118  
119  /*
120   * if enabled from the next key press on the driver will send
121   * LIRC_MODE2_FREQUENCY packets
122   */
123  #define LIRC_SET_MEASURE_CARRIER_MODE	_IOW('i', 0x0000001d, __u32)
124  
125  /*
126   * to set a range use LIRC_SET_REC_CARRIER_RANGE with the
127   * lower bound first and later LIRC_SET_REC_CARRIER with the upper bound
128   */
129  #define LIRC_SET_REC_CARRIER_RANGE     _IOW('i', 0x0000001f, __u32)
130  
131  #define LIRC_SET_WIDEBAND_RECEIVER     _IOW('i', 0x00000023, __u32)
132  
133  #endif
134