diff options
author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
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committer | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
commit | fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch) | |
tree | a57612d1888735a2ec7972891b68c1ac5ec8faea /arch/cris/include/asm/sync_serial.h | |
parent | 8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff) |
Diffstat (limited to 'arch/cris/include/asm/sync_serial.h')
-rw-r--r-- | arch/cris/include/asm/sync_serial.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/arch/cris/include/asm/sync_serial.h b/arch/cris/include/asm/sync_serial.h new file mode 100644 index 00000000000..7f827fea30e --- /dev/null +++ b/arch/cris/include/asm/sync_serial.h | |||
@@ -0,0 +1,132 @@ | |||
1 | /* | ||
2 | * ioctl defines for synchronous serial port driver | ||
3 | * | ||
4 | * Copyright (c) 2001-2003 Axis Communications AB | ||
5 | * | ||
6 | * Author: Mikael Starvik | ||
7 | * | ||
8 | */ | ||
9 | |||
10 | #ifndef SYNC_SERIAL_H | ||
11 | #define SYNC_SERIAL_H | ||
12 | |||
13 | #include <linux/ioctl.h> | ||
14 | |||
15 | #define SSP_SPEED _IOR('S', 0, unsigned int) | ||
16 | #define SSP_MODE _IOR('S', 1, unsigned int) | ||
17 | #define SSP_FRAME_SYNC _IOR('S', 2, unsigned int) | ||
18 | #define SSP_IPOLARITY _IOR('S', 3, unsigned int) | ||
19 | #define SSP_OPOLARITY _IOR('S', 4, unsigned int) | ||
20 | #define SSP_SPI _IOR('S', 5, unsigned int) | ||
21 | #define SSP_INBUFCHUNK _IOR('S', 6, unsigned int) | ||
22 | #define SSP_INPUT _IOR('S', 7, unsigned int) | ||
23 | |||
24 | /* Values for SSP_SPEED */ | ||
25 | #define SSP150 0 | ||
26 | #define SSP300 1 | ||
27 | #define SSP600 2 | ||
28 | #define SSP1200 3 | ||
29 | #define SSP2400 4 | ||
30 | #define SSP4800 5 | ||
31 | #define SSP9600 6 | ||
32 | #define SSP19200 7 | ||
33 | #define SSP28800 8 | ||
34 | #define SSP57600 9 | ||
35 | #define SSP115200 10 | ||
36 | #define SSP230400 11 | ||
37 | #define SSP460800 12 | ||
38 | #define SSP921600 13 | ||
39 | #define SSP3125000 14 | ||
40 | #define CODEC 15 | ||
41 | #define CODEC_f32768 16 | ||
42 | |||
43 | #define FREQ_4MHz 0 | ||
44 | #define FREQ_2MHz 1 | ||
45 | #define FREQ_1MHz 2 | ||
46 | #define FREQ_512kHz 3 | ||
47 | #define FREQ_256kHz 4 | ||
48 | #define FREQ_128kHz 5 | ||
49 | #define FREQ_64kHz 6 | ||
50 | #define FREQ_32kHz 7 | ||
51 | /* FREQ_* with values where bit (value & 0x10) is set are */ | ||
52 | /* used for CODEC_f32768 */ | ||
53 | #define FREQ_4096kHz 16 /* CODEC_f32768 */ | ||
54 | |||
55 | /* Used by application to set CODEC divider, word rate and frame rate */ | ||
56 | #define CODEC_VAL(freq, clk_per_sync, sync_per_frame) \ | ||
57 | ((CODEC + ((freq & 0x10) >> 4)) | (freq << 8) | \ | ||
58 | (clk_per_sync << 16) | (sync_per_frame << 28)) | ||
59 | |||
60 | /* Used by driver to extract speed */ | ||
61 | #define GET_SPEED(x) (x & 0xff) | ||
62 | #define GET_FREQ(x) ((x & 0xff00) >> 8) | ||
63 | #define GET_WORD_RATE(x) (((x & 0x0fff0000) >> 16) - 1) | ||
64 | #define GET_FRAME_RATE(x) (((x & 0xf0000000) >> 28) - 1) | ||
65 | |||
66 | /* Values for SSP_MODE */ | ||
67 | #define MASTER_OUTPUT 0 | ||
68 | #define SLAVE_OUTPUT 1 | ||
69 | #define MASTER_INPUT 2 | ||
70 | #define SLAVE_INPUT 3 | ||
71 | #define MASTER_BIDIR 4 | ||
72 | #define SLAVE_BIDIR 5 | ||
73 | |||
74 | /* Values for SSP_FRAME_SYNC */ | ||
75 | #define NORMAL_SYNC 1 | ||
76 | #define EARLY_SYNC 2 | ||
77 | #define SECOND_WORD_SYNC 0x40000 | ||
78 | #define LATE_SYNC 0x80000 | ||
79 | |||
80 | #define BIT_SYNC 4 | ||
81 | #define WORD_SYNC 8 | ||
82 | #define EXTENDED_SYNC 0x10 | ||
83 | |||
84 | #define SYNC_OFF 0x20 | ||
85 | #define SYNC_ON 0x40 | ||
86 | #define WORD_SIZE_8 0x80 | ||
87 | #define WORD_SIZE_12 0x100 | ||
88 | #define WORD_SIZE_16 0x200 | ||
89 | #define WORD_SIZE_24 0x400 | ||
90 | #define WORD_SIZE_32 0x800 | ||
91 | #define BIT_ORDER_LSB 0x1000 | ||
92 | #define BIT_ORDER_MSB 0x2000 | ||
93 | #define FLOW_CONTROL_ENABLE 0x4000 | ||
94 | #define FLOW_CONTROL_DISABLE 0x8000 | ||
95 | #define CLOCK_GATED 0x10000 | ||
96 | #define CLOCK_NOT_GATED 0x20000 | ||
97 | |||
98 | /* Values for SSP_IPOLARITY and SSP_OPOLARITY */ | ||
99 | #define CLOCK_NORMAL 1 | ||
100 | #define CLOCK_INVERT 2 | ||
101 | #define CLOCK_INEGEDGE CLOCK_NORMAL | ||
102 | #define CLOCK_IPOSEDGE CLOCK_INVERT | ||
103 | #define FRAME_NORMAL 4 | ||
104 | #define FRAME_INVERT 8 | ||
105 | #define STATUS_NORMAL 0x10 | ||
106 | #define STATUS_INVERT 0x20 | ||
107 | |||
108 | /* Values for SSP_SPI */ | ||
109 | #define SPI_MASTER 0 | ||
110 | #define SPI_SLAVE 1 | ||
111 | |||
112 | /* Values for SSP_INBUFCHUNK */ | ||
113 | /* plain integer with the size of DMA chunks */ | ||
114 | |||
115 | /* To ensure that the timestamps are aligned with the data being read | ||
116 | * the read length MUST be a multiple of the length of the DMA buffers. | ||
117 | * | ||
118 | * Use a multiple of SSP_INPUT_CHUNK_SIZE defined below. | ||
119 | */ | ||
120 | #define SSP_INPUT_CHUNK_SIZE 256 | ||
121 | |||
122 | /* Request struct to pass through the ioctl interface to read | ||
123 | * data with timestamps. | ||
124 | */ | ||
125 | struct ssp_request { | ||
126 | char __user *buf; /* Where to put the data. */ | ||
127 | size_t len; /* Size of buf. MUST be a multiple of */ | ||
128 | /* SSP_INPUT_CHUNK_SIZE! */ | ||
129 | struct timespec ts; /* The time the data was sampled. */ | ||
130 | }; | ||
131 | |||
132 | #endif | ||