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lirc.h
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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_SEND_CARRIER _IOR('i', 0x00000003, __u32)
94 #define LIRC_GET_REC_CARRIER _IOR('i', 0x00000004, __u32)
95 #define LIRC_GET_SEND_DUTY_CYCLE _IOR('i', 0x00000005, __u32)
96 #define LIRC_GET_REC_DUTY_CYCLE _IOR('i', 0x00000006, __u32)
97 #define LIRC_GET_REC_RESOLUTION _IOR('i', 0x00000007, __u32)
98 
99 #define LIRC_GET_MIN_TIMEOUT _IOR('i', 0x00000008, __u32)
100 #define LIRC_GET_MAX_TIMEOUT _IOR('i', 0x00000009, __u32)
101 
102 #define LIRC_GET_MIN_FILTER_PULSE _IOR('i', 0x0000000a, __u32)
103 #define LIRC_GET_MAX_FILTER_PULSE _IOR('i', 0x0000000b, __u32)
104 #define LIRC_GET_MIN_FILTER_SPACE _IOR('i', 0x0000000c, __u32)
105 #define LIRC_GET_MAX_FILTER_SPACE _IOR('i', 0x0000000d, __u32)
106 
107 /* code length in bits, currently only for LIRC_MODE_LIRCCODE */
108 #define LIRC_GET_LENGTH _IOR('i', 0x0000000f, __u32)
109 
110 #define LIRC_SET_SEND_MODE _IOW('i', 0x00000011, __u32)
111 #define LIRC_SET_REC_MODE _IOW('i', 0x00000012, __u32)
112 /* Note: these can reset the according pulse_width */
113 #define LIRC_SET_SEND_CARRIER _IOW('i', 0x00000013, __u32)
114 #define LIRC_SET_REC_CARRIER _IOW('i', 0x00000014, __u32)
115 #define LIRC_SET_SEND_DUTY_CYCLE _IOW('i', 0x00000015, __u32)
116 #define LIRC_SET_REC_DUTY_CYCLE _IOW('i', 0x00000016, __u32)
117 #define LIRC_SET_TRANSMITTER_MASK _IOW('i', 0x00000017, __u32)
118 
119 /*
120  * when a timeout != 0 is set the driver will send a
121  * LIRC_MODE2_TIMEOUT data packet, otherwise LIRC_MODE2_TIMEOUT is
122  * never sent, timeout is disabled by default
123  */
124 #define LIRC_SET_REC_TIMEOUT _IOW('i', 0x00000018, __u32)
125 
126 /* 1 enables, 0 disables timeout reports in MODE2 */
127 #define LIRC_SET_REC_TIMEOUT_REPORTS _IOW('i', 0x00000019, __u32)
128 
129 /*
130  * pulses shorter than this are filtered out by hardware (software
131  * emulation in lirc_dev?)
132  */
133 #define LIRC_SET_REC_FILTER_PULSE _IOW('i', 0x0000001a, __u32)
134 /*
135  * spaces shorter than this are filtered out by hardware (software
136  * emulation in lirc_dev?)
137  */
138 #define LIRC_SET_REC_FILTER_SPACE _IOW('i', 0x0000001b, __u32)
139 /*
140  * if filter cannot be set independently for pulse/space, this should
141  * be used
142  */
143 #define LIRC_SET_REC_FILTER _IOW('i', 0x0000001c, __u32)
144 
145 /*
146  * if enabled from the next key press on the driver will send
147  * LIRC_MODE2_FREQUENCY packets
148  */
149 #define LIRC_SET_MEASURE_CARRIER_MODE _IOW('i', 0x0000001d, __u32)
150 
151 /*
152  * to set a range use
153  * LIRC_SET_REC_DUTY_CYCLE_RANGE/LIRC_SET_REC_CARRIER_RANGE with the
154  * lower bound first and later
155  * LIRC_SET_REC_DUTY_CYCLE/LIRC_SET_REC_CARRIER with the upper bound
156  */
157 
158 #define LIRC_SET_REC_DUTY_CYCLE_RANGE _IOW('i', 0x0000001e, __u32)
159 #define LIRC_SET_REC_CARRIER_RANGE _IOW('i', 0x0000001f, __u32)
160 
161 #define LIRC_NOTIFY_DECODE _IO('i', 0x00000020)
162 
163 #define LIRC_SETUP_START _IO('i', 0x00000021)
164 #define LIRC_SETUP_END _IO('i', 0x00000022)
165 
166 #define LIRC_SET_WIDEBAND_RECEIVER _IOW('i', 0x00000023, __u32)
167 
168 #endif
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