xref: /linux/drivers/iio/gyro/fxas21002c.h (revision d2912cb15bdda8ba4a5dd73396ad62641af2f520)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Driver for NXP FXAS21002C Gyroscope - Header
4  *
5  * Copyright (C) 2019 Linaro Ltd.
6  */
7 
8 #ifndef FXAS21002C_H_
9 #define FXAS21002C_H_
10 
11 #include <linux/regmap.h>
12 
13 #define FXAS21002C_REG_STATUS		0x00
14 #define FXAS21002C_REG_OUT_X_MSB	0x01
15 #define FXAS21002C_REG_OUT_X_LSB	0x02
16 #define FXAS21002C_REG_OUT_Y_MSB	0x03
17 #define FXAS21002C_REG_OUT_Y_LSB	0x04
18 #define FXAS21002C_REG_OUT_Z_MSB	0x05
19 #define FXAS21002C_REG_OUT_Z_LSB	0x06
20 #define FXAS21002C_REG_DR_STATUS	0x07
21 #define FXAS21002C_REG_F_STATUS		0x08
22 #define FXAS21002C_REG_F_SETUP		0x09
23 #define FXAS21002C_REG_F_EVENT		0x0A
24 #define FXAS21002C_REG_INT_SRC_FLAG	0x0B
25 #define FXAS21002C_REG_WHO_AM_I		0x0C
26 #define FXAS21002C_REG_CTRL0		0x0D
27 #define FXAS21002C_REG_RT_CFG		0x0E
28 #define FXAS21002C_REG_RT_SRC		0x0F
29 #define FXAS21002C_REG_RT_THS		0x10
30 #define FXAS21002C_REG_RT_COUNT		0x11
31 #define FXAS21002C_REG_TEMP		0x12
32 #define FXAS21002C_REG_CTRL1		0x13
33 #define FXAS21002C_REG_CTRL2		0x14
34 #define FXAS21002C_REG_CTRL3		0x15
35 
36 enum fxas21002c_fields {
37 	F_DR_STATUS,
38 	F_OUT_X_MSB,
39 	F_OUT_X_LSB,
40 	F_OUT_Y_MSB,
41 	F_OUT_Y_LSB,
42 	F_OUT_Z_MSB,
43 	F_OUT_Z_LSB,
44 	/* DR_STATUS */
45 	F_ZYX_OW, F_Z_OW, F_Y_OW, F_X_OW, F_ZYX_DR, F_Z_DR, F_Y_DR, F_X_DR,
46 	/* F_STATUS */
47 	F_OVF, F_WMKF, F_CNT,
48 	/* F_SETUP */
49 	F_MODE, F_WMRK,
50 	/* F_EVENT */
51 	F_EVENT, FE_TIME,
52 	/* INT_SOURCE_FLAG */
53 	F_BOOTEND, F_SRC_FIFO, F_SRC_RT, F_SRC_DRDY,
54 	/* WHO_AM_I */
55 	F_WHO_AM_I,
56 	/* CTRL_REG0 */
57 	F_BW, F_SPIW, F_SEL, F_HPF_EN, F_FS,
58 	/* RT_CFG */
59 	F_ELE, F_ZTEFE, F_YTEFE, F_XTEFE,
60 	/* RT_SRC */
61 	F_EA, F_ZRT, F_ZRT_POL, F_YRT, F_YRT_POL, F_XRT, F_XRT_POL,
62 	/* RT_THS */
63 	F_DBCNTM, F_THS,
64 	/* RT_COUNT */
65 	F_RT_COUNT,
66 	/* TEMP */
67 	F_TEMP,
68 	/* CTRL_REG1 */
69 	F_RST, F_ST, F_DR, F_ACTIVE, F_READY,
70 	/* CTRL_REG2 */
71 	F_INT_CFG_FIFO, F_INT_EN_FIFO, F_INT_CFG_RT, F_INT_EN_RT,
72 	F_INT_CFG_DRDY, F_INT_EN_DRDY, F_IPOL, F_PP_OD,
73 	/* CTRL_REG3 */
74 	F_WRAPTOONE, F_EXTCTRLEN, F_FS_DOUBLE,
75 	/* MAX FIELDS */
76 	F_MAX_FIELDS,
77 };
78 
79 static const struct reg_field fxas21002c_reg_fields[] = {
80 	[F_DR_STATUS]		= REG_FIELD(FXAS21002C_REG_STATUS, 0, 7),
81 	[F_OUT_X_MSB]		= REG_FIELD(FXAS21002C_REG_OUT_X_MSB, 0, 7),
82 	[F_OUT_X_LSB]		= REG_FIELD(FXAS21002C_REG_OUT_X_LSB, 0, 7),
83 	[F_OUT_Y_MSB]		= REG_FIELD(FXAS21002C_REG_OUT_Y_MSB, 0, 7),
84 	[F_OUT_Y_LSB]		= REG_FIELD(FXAS21002C_REG_OUT_Y_LSB, 0, 7),
85 	[F_OUT_Z_MSB]		= REG_FIELD(FXAS21002C_REG_OUT_Z_MSB, 0, 7),
86 	[F_OUT_Z_LSB]		= REG_FIELD(FXAS21002C_REG_OUT_Z_LSB, 0, 7),
87 	[F_ZYX_OW]		= REG_FIELD(FXAS21002C_REG_DR_STATUS, 7, 7),
88 	[F_Z_OW]		= REG_FIELD(FXAS21002C_REG_DR_STATUS, 6, 6),
89 	[F_Y_OW]		= REG_FIELD(FXAS21002C_REG_DR_STATUS, 5, 5),
90 	[F_X_OW]		= REG_FIELD(FXAS21002C_REG_DR_STATUS, 4, 4),
91 	[F_ZYX_DR]		= REG_FIELD(FXAS21002C_REG_DR_STATUS, 3, 3),
92 	[F_Z_DR]		= REG_FIELD(FXAS21002C_REG_DR_STATUS, 2, 2),
93 	[F_Y_DR]		= REG_FIELD(FXAS21002C_REG_DR_STATUS, 1, 1),
94 	[F_X_DR]		= REG_FIELD(FXAS21002C_REG_DR_STATUS, 0, 0),
95 	[F_OVF]			= REG_FIELD(FXAS21002C_REG_F_STATUS, 7, 7),
96 	[F_WMKF]		= REG_FIELD(FXAS21002C_REG_F_STATUS, 6, 6),
97 	[F_CNT]			= REG_FIELD(FXAS21002C_REG_F_STATUS, 0, 5),
98 	[F_MODE]		= REG_FIELD(FXAS21002C_REG_F_SETUP, 6, 7),
99 	[F_WMRK]		= REG_FIELD(FXAS21002C_REG_F_SETUP, 0, 5),
100 	[F_EVENT]		= REG_FIELD(FXAS21002C_REG_F_EVENT, 5, 5),
101 	[FE_TIME]		= REG_FIELD(FXAS21002C_REG_F_EVENT, 0, 4),
102 	[F_BOOTEND]		= REG_FIELD(FXAS21002C_REG_INT_SRC_FLAG, 3, 3),
103 	[F_SRC_FIFO]		= REG_FIELD(FXAS21002C_REG_INT_SRC_FLAG, 2, 2),
104 	[F_SRC_RT]		= REG_FIELD(FXAS21002C_REG_INT_SRC_FLAG, 1, 1),
105 	[F_SRC_DRDY]		= REG_FIELD(FXAS21002C_REG_INT_SRC_FLAG, 0, 0),
106 	[F_WHO_AM_I]		= REG_FIELD(FXAS21002C_REG_WHO_AM_I, 0, 7),
107 	[F_BW]			= REG_FIELD(FXAS21002C_REG_CTRL0, 6, 7),
108 	[F_SPIW]		= REG_FIELD(FXAS21002C_REG_CTRL0, 5, 5),
109 	[F_SEL]			= REG_FIELD(FXAS21002C_REG_CTRL0, 3, 4),
110 	[F_HPF_EN]		= REG_FIELD(FXAS21002C_REG_CTRL0, 2, 2),
111 	[F_FS]			= REG_FIELD(FXAS21002C_REG_CTRL0, 0, 1),
112 	[F_ELE]			= REG_FIELD(FXAS21002C_REG_RT_CFG, 3, 3),
113 	[F_ZTEFE]		= REG_FIELD(FXAS21002C_REG_RT_CFG, 2, 2),
114 	[F_YTEFE]		= REG_FIELD(FXAS21002C_REG_RT_CFG, 1, 1),
115 	[F_XTEFE]		= REG_FIELD(FXAS21002C_REG_RT_CFG, 0, 0),
116 	[F_EA]			= REG_FIELD(FXAS21002C_REG_RT_SRC, 6, 6),
117 	[F_ZRT]			= REG_FIELD(FXAS21002C_REG_RT_SRC, 5, 5),
118 	[F_ZRT_POL]		= REG_FIELD(FXAS21002C_REG_RT_SRC, 4, 4),
119 	[F_YRT]			= REG_FIELD(FXAS21002C_REG_RT_SRC, 3, 3),
120 	[F_YRT_POL]		= REG_FIELD(FXAS21002C_REG_RT_SRC, 2, 2),
121 	[F_XRT]			= REG_FIELD(FXAS21002C_REG_RT_SRC, 1, 1),
122 	[F_XRT_POL]		= REG_FIELD(FXAS21002C_REG_RT_SRC, 0, 0),
123 	[F_DBCNTM]		= REG_FIELD(FXAS21002C_REG_RT_THS, 7, 7),
124 	[F_THS]			= REG_FIELD(FXAS21002C_REG_RT_SRC, 0, 6),
125 	[F_RT_COUNT]		= REG_FIELD(FXAS21002C_REG_RT_COUNT, 0, 7),
126 	[F_TEMP]		= REG_FIELD(FXAS21002C_REG_TEMP, 0, 7),
127 	[F_RST]			= REG_FIELD(FXAS21002C_REG_CTRL1, 6, 6),
128 	[F_ST]			= REG_FIELD(FXAS21002C_REG_CTRL1, 5, 5),
129 	[F_DR]			= REG_FIELD(FXAS21002C_REG_CTRL1, 2, 4),
130 	[F_ACTIVE]		= REG_FIELD(FXAS21002C_REG_CTRL1, 1, 1),
131 	[F_READY]		= REG_FIELD(FXAS21002C_REG_CTRL1, 0, 0),
132 	[F_INT_CFG_FIFO]	= REG_FIELD(FXAS21002C_REG_CTRL2, 7, 7),
133 	[F_INT_EN_FIFO]		= REG_FIELD(FXAS21002C_REG_CTRL2, 6, 6),
134 	[F_INT_CFG_RT]		= REG_FIELD(FXAS21002C_REG_CTRL2, 5, 5),
135 	[F_INT_EN_RT]		= REG_FIELD(FXAS21002C_REG_CTRL2, 4, 4),
136 	[F_INT_CFG_DRDY]	= REG_FIELD(FXAS21002C_REG_CTRL2, 3, 3),
137 	[F_INT_EN_DRDY]		= REG_FIELD(FXAS21002C_REG_CTRL2, 2, 2),
138 	[F_IPOL]		= REG_FIELD(FXAS21002C_REG_CTRL2, 1, 1),
139 	[F_PP_OD]		= REG_FIELD(FXAS21002C_REG_CTRL2, 0, 0),
140 	[F_WRAPTOONE]		= REG_FIELD(FXAS21002C_REG_CTRL3, 3, 3),
141 	[F_EXTCTRLEN]		= REG_FIELD(FXAS21002C_REG_CTRL3, 2, 2),
142 	[F_FS_DOUBLE]		= REG_FIELD(FXAS21002C_REG_CTRL3, 0, 0),
143 };
144 
145 extern const struct dev_pm_ops fxas21002c_pm_ops;
146 
147 int fxas21002c_core_probe(struct device *dev, struct regmap *regmap, int irq,
148 			  const char *name);
149 void fxas21002c_core_remove(struct device *dev);
150 #endif
151