blob: 98829370fee28a4d92e88daaac3de852d8555419 [file] [log] [blame]
Michael Hennerich48329582009-07-22 21:51:34 -07001/*
2 * board initialization should put one of these structures into platform_data
3 * and place the bfin-rotary onto platform_bus named "bfin-rotary".
Robin Getz96f10502009-09-24 14:11:24 +00004 *
Mike Frysinger39750322010-07-29 05:53:33 +00005 * Copyright 2008-2010 Analog Devices Inc.
Robin Getz96f10502009-09-24 14:11:24 +00006 *
7 * Licensed under the GPL-2 or later.
Michael Hennerich48329582009-07-22 21:51:34 -07008 */
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
25struct 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;
Sonic Zhang5b8163a2012-05-08 15:41:18 +080042 unsigned short pm_wakeup;
Sonic Zhang5ea06992015-02-05 21:23:10 -080043 unsigned short *pin_list;
Michael Hennerich48329582009-07-22 21:51:34 -070044};
Mike Frysinger39750322010-07-29 05:53:33 +000045
46/* CNT_CONFIG bitmasks */
47#define CNTE (1 << 0) /* Counter Enable */
48#define DEBE (1 << 1) /* Debounce Enable */
49#define CDGINV (1 << 4) /* CDG Pin Polarity Invert */
50#define CUDINV (1 << 5) /* CUD Pin Polarity Invert */
51#define CZMINV (1 << 6) /* CZM Pin Polarity Invert */
52#define CNTMODE_SHIFT 8
53#define CNTMODE (0x7 << CNTMODE_SHIFT) /* Counter Operating Mode */
54#define ZMZC (1 << 1) /* CZM Zeroes Counter Enable */
55#define BNDMODE_SHIFT 12
56#define BNDMODE (0x3 << BNDMODE_SHIFT) /* Boundary register Mode */
57#define INPDIS (1 << 15) /* CUG and CDG Input Disable */
58
59#define CNTMODE_QUADENC (0 << CNTMODE_SHIFT) /* quadrature encoder mode */
60#define CNTMODE_BINENC (1 << CNTMODE_SHIFT) /* binary encoder mode */
61#define CNTMODE_UDCNT (2 << CNTMODE_SHIFT) /* up/down counter mode */
62#define CNTMODE_DIRCNT (4 << CNTMODE_SHIFT) /* direction counter mode */
63#define CNTMODE_DIRTMR (5 << CNTMODE_SHIFT) /* direction timer mode */
64
65#define BNDMODE_COMP (0 << BNDMODE_SHIFT) /* boundary compare mode */
66#define BNDMODE_ZERO (1 << BNDMODE_SHIFT) /* boundary compare and zero mode */
67#define BNDMODE_CAPT (2 << BNDMODE_SHIFT) /* boundary capture mode */
68#define BNDMODE_AEXT (3 << BNDMODE_SHIFT) /* boundary auto-extend mode */
69
70/* CNT_IMASK bitmasks */
71#define ICIE (1 << 0) /* Illegal Gray/Binary Code Interrupt Enable */
72#define UCIE (1 << 1) /* Up count Interrupt Enable */
73#define DCIE (1 << 2) /* Down count Interrupt Enable */
74#define MINCIE (1 << 3) /* Min Count Interrupt Enable */
75#define MAXCIE (1 << 4) /* Max Count Interrupt Enable */
76#define COV31IE (1 << 5) /* Bit 31 Overflow Interrupt Enable */
77#define COV15IE (1 << 6) /* Bit 15 Overflow Interrupt Enable */
78#define CZEROIE (1 << 7) /* Count to Zero Interrupt Enable */
79#define CZMIE (1 << 8) /* CZM Pin Interrupt Enable */
80#define CZMEIE (1 << 9) /* CZM Error Interrupt Enable */
81#define CZMZIE (1 << 10) /* CZM Zeroes Counter Interrupt Enable */
82
83/* CNT_STATUS bitmasks */
84#define ICII (1 << 0) /* Illegal Gray/Binary Code Interrupt Identifier */
85#define UCII (1 << 1) /* Up count Interrupt Identifier */
86#define DCII (1 << 2) /* Down count Interrupt Identifier */
87#define MINCII (1 << 3) /* Min Count Interrupt Identifier */
88#define MAXCII (1 << 4) /* Max Count Interrupt Identifier */
89#define COV31II (1 << 5) /* Bit 31 Overflow Interrupt Identifier */
90#define COV15II (1 << 6) /* Bit 15 Overflow Interrupt Identifier */
91#define CZEROII (1 << 7) /* Count to Zero Interrupt Identifier */
92#define CZMII (1 << 8) /* CZM Pin Interrupt Identifier */
93#define CZMEII (1 << 9) /* CZM Error Interrupt Identifier */
94#define CZMZII (1 << 10) /* CZM Zeroes Counter Interrupt Identifier */
95
96/* CNT_COMMAND bitmasks */
97#define W1LCNT 0xf /* Load Counter Register */
98#define W1LMIN 0xf0 /* Load Min Register */
99#define W1LMAX 0xf00 /* Load Max Register */
100#define W1ZMONCE (1 << 12) /* Enable CZM Clear Counter Once */
101
102#define W1LCNT_ZERO (1 << 0) /* write 1 to load CNT_COUNTER with zero */
103#define W1LCNT_MIN (1 << 2) /* write 1 to load CNT_COUNTER from CNT_MIN */
104#define W1LCNT_MAX (1 << 3) /* write 1 to load CNT_COUNTER from CNT_MAX */
105
106#define W1LMIN_ZERO (1 << 4) /* write 1 to load CNT_MIN with zero */
107#define W1LMIN_CNT (1 << 5) /* write 1 to load CNT_MIN from CNT_COUNTER */
108#define W1LMIN_MAX (1 << 7) /* write 1 to load CNT_MIN from CNT_MAX */
109
110#define W1LMAX_ZERO (1 << 8) /* write 1 to load CNT_MAX with zero */
111#define W1LMAX_CNT (1 << 9) /* write 1 to load CNT_MAX from CNT_COUNTER */
112#define W1LMAX_MIN (1 << 10) /* write 1 to load CNT_MAX from CNT_MIN */
113
114/* CNT_DEBOUNCE bitmasks */
115#define DPRESCALE 0xf /* Load Counter Register */
116
Michael Hennerich48329582009-07-22 21:51:34 -0700117#endif