Commit | Line | Data |
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48329582 MH |
1 | /* |
2 | * board initialization should put one of these structures into platform_data | |
3 | * and place the bfin-rotary onto platform_bus named "bfin-rotary". | |
96f1050d | 4 | * |
39750324 | 5 | * Copyright 2008-2010 Analog Devices Inc. |
96f1050d RG |
6 | * |
7 | * Licensed under the GPL-2 or later. | |
48329582 MH |
8 | */ |
9 | ||
10 | #ifndef _BFIN_ROTARY_H | |
11 | #define _BFIN_ROTARY_H | |
12 | ||
13 | /* mode bitmasks */ | |
14 | #define ROT_QUAD_ENC CNTMODE_QUADENC /* quadrature/grey code encoder mode */ | |
15 | #define ROT_BIN_ENC CNTMODE_BINENC /* binary encoder mode */ | |
16 | #define ROT_UD_CNT CNTMODE_UDCNT /* rotary counter mode */ | |
17 | #define ROT_DIR_CNT CNTMODE_DIRCNT /* direction counter mode */ | |
18 | ||
19 | #define ROT_DEBE DEBE /* Debounce Enable */ | |
20 | ||
21 | #define ROT_CDGINV CDGINV /* CDG Pin Polarity Invert */ | |
22 | #define ROT_CUDINV CUDINV /* CUD Pin Polarity Invert */ | |
23 | #define ROT_CZMINV CZMINV /* CZM Pin Polarity Invert */ | |
24 | ||
25 | struct bfin_rotary_platform_data { | |
26 | /* set rotary UP KEY_### or BTN_### in case you prefer | |
27 | * bfin-rotary to send EV_KEY otherwise set 0 | |
28 | */ | |
29 | unsigned int rotary_up_key; | |
30 | /* set rotary DOWN KEY_### or BTN_### in case you prefer | |
31 | * bfin-rotary to send EV_KEY otherwise set 0 | |
32 | */ | |
33 | unsigned int rotary_down_key; | |
34 | /* set rotary BUTTON KEY_### or BTN_### */ | |
35 | unsigned int rotary_button_key; | |
36 | /* set rotary Relative Axis REL_### in case you prefer | |
37 | * bfin-rotary to send EV_REL otherwise set 0 | |
38 | */ | |
39 | unsigned int rotary_rel_code; | |
40 | unsigned short debounce; /* 0..17 */ | |
41 | unsigned short mode; | |
42 | }; | |
39750324 MF |
43 | |
44 | /* CNT_CONFIG bitmasks */ | |
45 | #define CNTE (1 << 0) /* Counter Enable */ | |
46 | #define DEBE (1 << 1) /* Debounce Enable */ | |
47 | #define CDGINV (1 << 4) /* CDG Pin Polarity Invert */ | |
48 | #define CUDINV (1 << 5) /* CUD Pin Polarity Invert */ | |
49 | #define CZMINV (1 << 6) /* CZM Pin Polarity Invert */ | |
50 | #define CNTMODE_SHIFT 8 | |
51 | #define CNTMODE (0x7 << CNTMODE_SHIFT) /* Counter Operating Mode */ | |
52 | #define ZMZC (1 << 1) /* CZM Zeroes Counter Enable */ | |
53 | #define BNDMODE_SHIFT 12 | |
54 | #define BNDMODE (0x3 << BNDMODE_SHIFT) /* Boundary register Mode */ | |
55 | #define INPDIS (1 << 15) /* CUG and CDG Input Disable */ | |
56 | ||
57 | #define CNTMODE_QUADENC (0 << CNTMODE_SHIFT) /* quadrature encoder mode */ | |
58 | #define CNTMODE_BINENC (1 << CNTMODE_SHIFT) /* binary encoder mode */ | |
59 | #define CNTMODE_UDCNT (2 << CNTMODE_SHIFT) /* up/down counter mode */ | |
60 | #define CNTMODE_DIRCNT (4 << CNTMODE_SHIFT) /* direction counter mode */ | |
61 | #define CNTMODE_DIRTMR (5 << CNTMODE_SHIFT) /* direction timer mode */ | |
62 | ||
63 | #define BNDMODE_COMP (0 << BNDMODE_SHIFT) /* boundary compare mode */ | |
64 | #define BNDMODE_ZERO (1 << BNDMODE_SHIFT) /* boundary compare and zero mode */ | |
65 | #define BNDMODE_CAPT (2 << BNDMODE_SHIFT) /* boundary capture mode */ | |
66 | #define BNDMODE_AEXT (3 << BNDMODE_SHIFT) /* boundary auto-extend mode */ | |
67 | ||
68 | /* CNT_IMASK bitmasks */ | |
69 | #define ICIE (1 << 0) /* Illegal Gray/Binary Code Interrupt Enable */ | |
70 | #define UCIE (1 << 1) /* Up count Interrupt Enable */ | |
71 | #define DCIE (1 << 2) /* Down count Interrupt Enable */ | |
72 | #define MINCIE (1 << 3) /* Min Count Interrupt Enable */ | |
73 | #define MAXCIE (1 << 4) /* Max Count Interrupt Enable */ | |
74 | #define COV31IE (1 << 5) /* Bit 31 Overflow Interrupt Enable */ | |
75 | #define COV15IE (1 << 6) /* Bit 15 Overflow Interrupt Enable */ | |
76 | #define CZEROIE (1 << 7) /* Count to Zero Interrupt Enable */ | |
77 | #define CZMIE (1 << 8) /* CZM Pin Interrupt Enable */ | |
78 | #define CZMEIE (1 << 9) /* CZM Error Interrupt Enable */ | |
79 | #define CZMZIE (1 << 10) /* CZM Zeroes Counter Interrupt Enable */ | |
80 | ||
81 | /* CNT_STATUS bitmasks */ | |
82 | #define ICII (1 << 0) /* Illegal Gray/Binary Code Interrupt Identifier */ | |
83 | #define UCII (1 << 1) /* Up count Interrupt Identifier */ | |
84 | #define DCII (1 << 2) /* Down count Interrupt Identifier */ | |
85 | #define MINCII (1 << 3) /* Min Count Interrupt Identifier */ | |
86 | #define MAXCII (1 << 4) /* Max Count Interrupt Identifier */ | |
87 | #define COV31II (1 << 5) /* Bit 31 Overflow Interrupt Identifier */ | |
88 | #define COV15II (1 << 6) /* Bit 15 Overflow Interrupt Identifier */ | |
89 | #define CZEROII (1 << 7) /* Count to Zero Interrupt Identifier */ | |
90 | #define CZMII (1 << 8) /* CZM Pin Interrupt Identifier */ | |
91 | #define CZMEII (1 << 9) /* CZM Error Interrupt Identifier */ | |
92 | #define CZMZII (1 << 10) /* CZM Zeroes Counter Interrupt Identifier */ | |
93 | ||
94 | /* CNT_COMMAND bitmasks */ | |
95 | #define W1LCNT 0xf /* Load Counter Register */ | |
96 | #define W1LMIN 0xf0 /* Load Min Register */ | |
97 | #define W1LMAX 0xf00 /* Load Max Register */ | |
98 | #define W1ZMONCE (1 << 12) /* Enable CZM Clear Counter Once */ | |
99 | ||
100 | #define W1LCNT_ZERO (1 << 0) /* write 1 to load CNT_COUNTER with zero */ | |
101 | #define W1LCNT_MIN (1 << 2) /* write 1 to load CNT_COUNTER from CNT_MIN */ | |
102 | #define W1LCNT_MAX (1 << 3) /* write 1 to load CNT_COUNTER from CNT_MAX */ | |
103 | ||
104 | #define W1LMIN_ZERO (1 << 4) /* write 1 to load CNT_MIN with zero */ | |
105 | #define W1LMIN_CNT (1 << 5) /* write 1 to load CNT_MIN from CNT_COUNTER */ | |
106 | #define W1LMIN_MAX (1 << 7) /* write 1 to load CNT_MIN from CNT_MAX */ | |
107 | ||
108 | #define W1LMAX_ZERO (1 << 8) /* write 1 to load CNT_MAX with zero */ | |
109 | #define W1LMAX_CNT (1 << 9) /* write 1 to load CNT_MAX from CNT_COUNTER */ | |
110 | #define W1LMAX_MIN (1 << 10) /* write 1 to load CNT_MAX from CNT_MIN */ | |
111 | ||
112 | /* CNT_DEBOUNCE bitmasks */ | |
113 | #define DPRESCALE 0xf /* Load Counter Register */ | |
114 | ||
48329582 | 115 | #endif |