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dcf1310b MS |
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 | ||
23 | /* Values for SSP_SPEED */ | |
24 | #define SSP150 0 | |
25 | #define SSP300 1 | |
26 | #define SSP600 2 | |
27 | #define SSP1200 3 | |
28 | #define SSP2400 4 | |
29 | #define SSP4800 5 | |
30 | #define SSP9600 6 | |
31 | #define SSP19200 7 | |
32 | #define SSP28800 8 | |
33 | #define SSP57600 9 | |
34 | #define SSP115200 10 | |
35 | #define SSP230400 11 | |
36 | #define SSP460800 12 | |
37 | #define SSP921600 13 | |
38 | #define SSP3125000 14 | |
39 | #define CODEC 15 | |
40 | ||
41 | #define FREQ_4MHz 0 | |
42 | #define FREQ_2MHz 1 | |
43 | #define FREQ_1MHz 2 | |
44 | #define FREQ_512kHz 3 | |
45 | #define FREQ_256kHz 4 | |
46 | #define FREQ_128kHz 5 | |
47 | #define FREQ_64kHz 6 | |
48 | #define FREQ_32kHz 7 | |
49 | ||
50 | /* Used by application to set CODEC divider, word rate and frame rate */ | |
51 | #define CODEC_VAL(freq, clk_per_sync, sync_per_frame) (CODEC | (freq << 8) | (clk_per_sync << 16) | (sync_per_frame << 28)) | |
52 | ||
53 | /* Used by driver to extract speed */ | |
54 | #define GET_SPEED(x) (x & 0xff) | |
55 | #define GET_FREQ(x) ((x & 0xff00) >> 8) | |
56 | #define GET_WORD_RATE(x) (((x & 0x0fff0000) >> 16) - 1) | |
57 | #define GET_FRAME_RATE(x) (((x & 0xf0000000) >> 28) - 1) | |
58 | ||
59 | /* Values for SSP_MODE */ | |
60 | #define MASTER_OUTPUT 0 | |
61 | #define SLAVE_OUTPUT 1 | |
62 | #define MASTER_INPUT 2 | |
63 | #define SLAVE_INPUT 3 | |
64 | #define MASTER_BIDIR 4 | |
65 | #define SLAVE_BIDIR 5 | |
66 | ||
67 | /* Values for SSP_FRAME_SYNC */ | |
68 | #define NORMAL_SYNC 1 | |
69 | #define EARLY_SYNC 2 | |
70 | ||
71 | #define BIT_SYNC 4 | |
72 | #define WORD_SYNC 8 | |
73 | #define EXTENDED_SYNC 0x10 | |
74 | ||
75 | #define SYNC_OFF 0x20 | |
76 | #define SYNC_ON 0x40 | |
77 | #define WORD_SIZE_8 0x80 | |
78 | #define WORD_SIZE_12 0x100 | |
79 | #define WORD_SIZE_16 0x200 | |
80 | #define WORD_SIZE_24 0x400 | |
81 | #define WORD_SIZE_32 0x800 | |
82 | #define BIT_ORDER_LSB 0x1000 | |
83 | #define BIT_ORDER_MSB 0x2000 | |
84 | #define FLOW_CONTROL_ENABLE 0x4000 | |
85 | #define FLOW_CONTROL_DISABLE 0x8000 | |
86 | #define CLOCK_GATED 0x10000 | |
87 | #define CLOCK_NOT_GATED 0x20000 | |
88 | ||
89 | /* Values for SSP_IPOLARITY and SSP_OPOLARITY */ | |
90 | #define CLOCK_NORMAL 1 | |
91 | #define CLOCK_INVERT 2 | |
92 | #define CLOCK_INEGEDGE CLOCK_NORMAL | |
93 | #define CLOCK_IPOSEDGE CLOCK_INVERT | |
94 | #define FRAME_NORMAL 4 | |
95 | #define FRAME_INVERT 8 | |
96 | #define STATUS_NORMAL 0x10 | |
97 | #define STATUS_INVERT 0x20 | |
98 | ||
99 | /* Values for SSP_SPI */ | |
100 | #define SPI_MASTER 0 | |
101 | #define SPI_SLAVE 1 | |
102 | ||
103 | /* Values for SSP_INBUFCHUNK */ | |
104 | /* plain integer with the size of DMA chunks */ | |
105 | ||
106 | #endif |