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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
[linux-2.6-block.git] / drivers / iio / accel / st_accel_core.c
CommitLineData
d6251168
DC		 1/*
2 * STMicroelectronics accelerometers driver
3 *
4 * Copyright 2012-2013 STMicroelectronics Inc.
5 *
6 * Denis Ciocca <denis.ciocca@st.com>
7 *
8 * Licensed under the GPL-2.
9 */
10
11#include <linux/kernel.h>
12#include <linux/module.h>
13#include <linux/slab.h>
14#include <linux/errno.h>
15#include <linux/types.h>
16#include <linux/mutex.h>
17#include <linux/interrupt.h>
18#include <linux/i2c.h>
19#include <linux/gpio.h>
20#include <linux/irq.h>
21#include <linux/iio/iio.h>
22#include <linux/iio/sysfs.h>
8ce4a56a 23#include <linux/iio/trigger.h>
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DC		 24#include <linux/iio/buffer.h>
25
26#include <linux/iio/common/st_sensors.h>
27#include "st_accel.h"
28
607a568a
DC		 29#define ST_ACCEL_NUMBER_DATA_CHANNELS 3
30
d6251168
DC		 31/* DEFAULT VALUE FOR SENSORS */
32#define ST_ACCEL_DEFAULT_OUT_X_L_ADDR 0x28
33#define ST_ACCEL_DEFAULT_OUT_Y_L_ADDR 0x2a
34#define ST_ACCEL_DEFAULT_OUT_Z_L_ADDR 0x2c
35
36/* FULLSCALE */
37#define ST_ACCEL_FS_AVL_2G 2
38#define ST_ACCEL_FS_AVL_4G 4
39#define ST_ACCEL_FS_AVL_6G 6
40#define ST_ACCEL_FS_AVL_8G 8
41#define ST_ACCEL_FS_AVL_16G 16
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TB		 42#define ST_ACCEL_FS_AVL_100G 100
43#define ST_ACCEL_FS_AVL_200G 200
44#define ST_ACCEL_FS_AVL_400G 400
d6251168
DC		 45
46/* CUSTOM VALUES FOR SENSOR 1 */
47#define ST_ACCEL_1_WAI_EXP 0x33
48#define ST_ACCEL_1_ODR_ADDR 0x20
49#define ST_ACCEL_1_ODR_MASK 0xf0
50#define ST_ACCEL_1_ODR_AVL_1HZ_VAL 0x01
51#define ST_ACCEL_1_ODR_AVL_10HZ_VAL 0x02
52#define ST_ACCEL_1_ODR_AVL_25HZ_VAL 0x03
53#define ST_ACCEL_1_ODR_AVL_50HZ_VAL 0x04
54#define ST_ACCEL_1_ODR_AVL_100HZ_VAL 0x05
55#define ST_ACCEL_1_ODR_AVL_200HZ_VAL 0x06
56#define ST_ACCEL_1_ODR_AVL_400HZ_VAL 0x07
57#define ST_ACCEL_1_ODR_AVL_1600HZ_VAL 0x08
58#define ST_ACCEL_1_FS_ADDR 0x23
59#define ST_ACCEL_1_FS_MASK 0x30
60#define ST_ACCEL_1_FS_AVL_2_VAL 0x00
61#define ST_ACCEL_1_FS_AVL_4_VAL 0x01
62#define ST_ACCEL_1_FS_AVL_8_VAL 0x02
63#define ST_ACCEL_1_FS_AVL_16_VAL 0x03
64#define ST_ACCEL_1_FS_AVL_2_GAIN IIO_G_TO_M_S_2(1000)
65#define ST_ACCEL_1_FS_AVL_4_GAIN IIO_G_TO_M_S_2(2000)
66#define ST_ACCEL_1_FS_AVL_8_GAIN IIO_G_TO_M_S_2(4000)
67#define ST_ACCEL_1_FS_AVL_16_GAIN IIO_G_TO_M_S_2(12000)
68#define ST_ACCEL_1_BDU_ADDR 0x23
69#define ST_ACCEL_1_BDU_MASK 0x80
70#define ST_ACCEL_1_DRDY_IRQ_ADDR 0x22
23cde4d6
DC		 71#define ST_ACCEL_1_DRDY_IRQ_INT1_MASK 0x10
72#define ST_ACCEL_1_DRDY_IRQ_INT2_MASK 0x08
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LW		 73#define ST_ACCEL_1_IHL_IRQ_ADDR 0x25
74#define ST_ACCEL_1_IHL_IRQ_MASK 0x02
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DC		 75#define ST_ACCEL_1_MULTIREAD_BIT true
76
77/* CUSTOM VALUES FOR SENSOR 2 */
78#define ST_ACCEL_2_WAI_EXP 0x32
79#define ST_ACCEL_2_ODR_ADDR 0x20
80#define ST_ACCEL_2_ODR_MASK 0x18
81#define ST_ACCEL_2_ODR_AVL_50HZ_VAL 0x00
82#define ST_ACCEL_2_ODR_AVL_100HZ_VAL 0x01
83#define ST_ACCEL_2_ODR_AVL_400HZ_VAL 0x02
84#define ST_ACCEL_2_ODR_AVL_1000HZ_VAL 0x03
85#define ST_ACCEL_2_PW_ADDR 0x20
86#define ST_ACCEL_2_PW_MASK 0xe0
87#define ST_ACCEL_2_FS_ADDR 0x23
88#define ST_ACCEL_2_FS_MASK 0x30
89#define ST_ACCEL_2_FS_AVL_2_VAL 0X00
90#define ST_ACCEL_2_FS_AVL_4_VAL 0X01
91#define ST_ACCEL_2_FS_AVL_8_VAL 0x03
92#define ST_ACCEL_2_FS_AVL_2_GAIN IIO_G_TO_M_S_2(1000)
93#define ST_ACCEL_2_FS_AVL_4_GAIN IIO_G_TO_M_S_2(2000)
94#define ST_ACCEL_2_FS_AVL_8_GAIN IIO_G_TO_M_S_2(3900)
95#define ST_ACCEL_2_BDU_ADDR 0x23
96#define ST_ACCEL_2_BDU_MASK 0x80
97#define ST_ACCEL_2_DRDY_IRQ_ADDR 0x22
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DC		 98#define ST_ACCEL_2_DRDY_IRQ_INT1_MASK 0x02
99#define ST_ACCEL_2_DRDY_IRQ_INT2_MASK 0x10
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LW		 100#define ST_ACCEL_2_IHL_IRQ_ADDR 0x22
101#define ST_ACCEL_2_IHL_IRQ_MASK 0x80
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LW		 102#define ST_ACCEL_2_OD_IRQ_ADDR 0x22
103#define ST_ACCEL_2_OD_IRQ_MASK 0x40
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DC		 104#define ST_ACCEL_2_MULTIREAD_BIT true
105
106/* CUSTOM VALUES FOR SENSOR 3 */
107#define ST_ACCEL_3_WAI_EXP 0x40
108#define ST_ACCEL_3_ODR_ADDR 0x20
109#define ST_ACCEL_3_ODR_MASK 0xf0
110#define ST_ACCEL_3_ODR_AVL_3HZ_VAL 0x01
111#define ST_ACCEL_3_ODR_AVL_6HZ_VAL 0x02
112#define ST_ACCEL_3_ODR_AVL_12HZ_VAL 0x03
113#define ST_ACCEL_3_ODR_AVL_25HZ_VAL 0x04
114#define ST_ACCEL_3_ODR_AVL_50HZ_VAL 0x05
115#define ST_ACCEL_3_ODR_AVL_100HZ_VAL 0x06
116#define ST_ACCEL_3_ODR_AVL_200HZ_VAL 0x07
117#define ST_ACCEL_3_ODR_AVL_400HZ_VAL 0x08
118#define ST_ACCEL_3_ODR_AVL_800HZ_VAL 0x09
119#define ST_ACCEL_3_ODR_AVL_1600HZ_VAL 0x0a
120#define ST_ACCEL_3_FS_ADDR 0x24
121#define ST_ACCEL_3_FS_MASK 0x38
122#define ST_ACCEL_3_FS_AVL_2_VAL 0X00
123#define ST_ACCEL_3_FS_AVL_4_VAL 0X01
124#define ST_ACCEL_3_FS_AVL_6_VAL 0x02
125#define ST_ACCEL_3_FS_AVL_8_VAL 0x03
126#define ST_ACCEL_3_FS_AVL_16_VAL 0x04
127#define ST_ACCEL_3_FS_AVL_2_GAIN IIO_G_TO_M_S_2(61)
128#define ST_ACCEL_3_FS_AVL_4_GAIN IIO_G_TO_M_S_2(122)
129#define ST_ACCEL_3_FS_AVL_6_GAIN IIO_G_TO_M_S_2(183)
130#define ST_ACCEL_3_FS_AVL_8_GAIN IIO_G_TO_M_S_2(244)
131#define ST_ACCEL_3_FS_AVL_16_GAIN IIO_G_TO_M_S_2(732)
132#define ST_ACCEL_3_BDU_ADDR 0x20
133#define ST_ACCEL_3_BDU_MASK 0x08
134#define ST_ACCEL_3_DRDY_IRQ_ADDR 0x23
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DC		 135#define ST_ACCEL_3_DRDY_IRQ_INT1_MASK 0x80
136#define ST_ACCEL_3_DRDY_IRQ_INT2_MASK 0x00
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LW		 137#define ST_ACCEL_3_IHL_IRQ_ADDR 0x23
138#define ST_ACCEL_3_IHL_IRQ_MASK 0x40
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DC		 139#define ST_ACCEL_3_IG1_EN_ADDR 0x23
140#define ST_ACCEL_3_IG1_EN_MASK 0x08
141#define ST_ACCEL_3_MULTIREAD_BIT false
142
3acddf74
LW		 143/* CUSTOM VALUES FOR SENSOR 4 */
144#define ST_ACCEL_4_WAI_EXP 0x3a
145#define ST_ACCEL_4_ODR_ADDR 0x20
146#define ST_ACCEL_4_ODR_MASK 0x30 /* DF1 and DF0 */
147#define ST_ACCEL_4_ODR_AVL_40HZ_VAL 0x00
148#define ST_ACCEL_4_ODR_AVL_160HZ_VAL 0x01
149#define ST_ACCEL_4_ODR_AVL_640HZ_VAL 0x02
150#define ST_ACCEL_4_ODR_AVL_2560HZ_VAL 0x03
151#define ST_ACCEL_4_PW_ADDR 0x20
152#define ST_ACCEL_4_PW_MASK 0xc0
153#define ST_ACCEL_4_FS_ADDR 0x21
154#define ST_ACCEL_4_FS_MASK 0x80
155#define ST_ACCEL_4_FS_AVL_2_VAL 0X00
156#define ST_ACCEL_4_FS_AVL_6_VAL 0X01
157#define ST_ACCEL_4_FS_AVL_2_GAIN IIO_G_TO_M_S_2(1024)
158#define ST_ACCEL_4_FS_AVL_6_GAIN IIO_G_TO_M_S_2(340)
159#define ST_ACCEL_4_BDU_ADDR 0x21
160#define ST_ACCEL_4_BDU_MASK 0x40
161#define ST_ACCEL_4_DRDY_IRQ_ADDR 0x21
162#define ST_ACCEL_4_DRDY_IRQ_INT1_MASK 0x04
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LW		 163#define ST_ACCEL_4_MULTIREAD_BIT true
164
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LW		 165/* CUSTOM VALUES FOR SENSOR 5 */
166#define ST_ACCEL_5_WAI_EXP 0x3b
167#define ST_ACCEL_5_ODR_ADDR 0x20
168#define ST_ACCEL_5_ODR_MASK 0x80
169#define ST_ACCEL_5_ODR_AVL_100HZ_VAL 0x00
170#define ST_ACCEL_5_ODR_AVL_400HZ_VAL 0x01
171#define ST_ACCEL_5_PW_ADDR 0x20
172#define ST_ACCEL_5_PW_MASK 0x40
173#define ST_ACCEL_5_FS_ADDR 0x20
174#define ST_ACCEL_5_FS_MASK 0x20
175#define ST_ACCEL_5_FS_AVL_2_VAL 0X00
176#define ST_ACCEL_5_FS_AVL_8_VAL 0X01
177/* TODO: check these resulting gain settings, these are not in the datsheet */
178#define ST_ACCEL_5_FS_AVL_2_GAIN IIO_G_TO_M_S_2(18000)
179#define ST_ACCEL_5_FS_AVL_8_GAIN IIO_G_TO_M_S_2(72000)
180#define ST_ACCEL_5_DRDY_IRQ_ADDR 0x22
181#define ST_ACCEL_5_DRDY_IRQ_INT1_MASK 0x04
182#define ST_ACCEL_5_DRDY_IRQ_INT2_MASK 0x20
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LW		 183#define ST_ACCEL_5_IHL_IRQ_ADDR 0x22
184#define ST_ACCEL_5_IHL_IRQ_MASK 0x80
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LW		 185#define ST_ACCEL_5_OD_IRQ_ADDR 0x22
186#define ST_ACCEL_5_OD_IRQ_MASK 0x40
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LW		 187#define ST_ACCEL_5_IG1_EN_ADDR 0x21
188#define ST_ACCEL_5_IG1_EN_MASK 0x08
189#define ST_ACCEL_5_MULTIREAD_BIT false
190
1e52fefc
TB		 191/* CUSTOM VALUES FOR SENSOR 6 */
192#define ST_ACCEL_6_WAI_EXP 0x32
193#define ST_ACCEL_6_ODR_ADDR 0x20
194#define ST_ACCEL_6_ODR_MASK 0x18
195#define ST_ACCEL_6_ODR_AVL_50HZ_VAL 0x00
196#define ST_ACCEL_6_ODR_AVL_100HZ_VAL 0x01
197#define ST_ACCEL_6_ODR_AVL_400HZ_VAL 0x02
198#define ST_ACCEL_6_ODR_AVL_1000HZ_VAL 0x03
199#define ST_ACCEL_6_PW_ADDR 0x20
200#define ST_ACCEL_6_PW_MASK 0x20
201#define ST_ACCEL_6_FS_ADDR 0x23
202#define ST_ACCEL_6_FS_MASK 0x30
203#define ST_ACCEL_6_FS_AVL_100_VAL 0x00
204#define ST_ACCEL_6_FS_AVL_200_VAL 0x01
205#define ST_ACCEL_6_FS_AVL_400_VAL 0x03
206#define ST_ACCEL_6_FS_AVL_100_GAIN IIO_G_TO_M_S_2(49000)
207#define ST_ACCEL_6_FS_AVL_200_GAIN IIO_G_TO_M_S_2(98000)
208#define ST_ACCEL_6_FS_AVL_400_GAIN IIO_G_TO_M_S_2(195000)
209#define ST_ACCEL_6_BDU_ADDR 0x23
210#define ST_ACCEL_6_BDU_MASK 0x80
211#define ST_ACCEL_6_DRDY_IRQ_ADDR 0x22
212#define ST_ACCEL_6_DRDY_IRQ_INT1_MASK 0x02
213#define ST_ACCEL_6_DRDY_IRQ_INT2_MASK 0x10
214#define ST_ACCEL_6_IHL_IRQ_ADDR 0x22
215#define ST_ACCEL_6_IHL_IRQ_MASK 0x80
216#define ST_ACCEL_6_MULTIREAD_BIT true
217
4e68cfbf
JC		 218/* CUSTOM VALUES FOR SENSOR 7 */
219#define ST_ACCEL_7_ODR_ADDR 0x20
220#define ST_ACCEL_7_ODR_MASK 0x30
221#define ST_ACCEL_7_ODR_AVL_280HZ_VAL 0x00
222#define ST_ACCEL_7_ODR_AVL_560HZ_VAL 0x01
223#define ST_ACCEL_7_ODR_AVL_1120HZ_VAL 0x02
224#define ST_ACCEL_7_ODR_AVL_4480HZ_VAL 0x03
225#define ST_ACCEL_7_PW_ADDR 0x20
226#define ST_ACCEL_7_PW_MASK 0xc0
227#define ST_ACCEL_7_FS_AVL_2_GAIN IIO_G_TO_M_S_2(488)
228#define ST_ACCEL_7_BDU_ADDR 0x21
229#define ST_ACCEL_7_BDU_MASK 0x40
230#define ST_ACCEL_7_DRDY_IRQ_ADDR 0x21
231#define ST_ACCEL_7_DRDY_IRQ_INT1_MASK 0x04
232#define ST_ACCEL_7_MULTIREAD_BIT false
233
4861a007
LW		 234static const struct iio_chan_spec st_accel_8bit_channels[] = {
235 ST_SENSORS_LSM_CHANNELS(IIO_ACCEL,
236 BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
237 ST_SENSORS_SCAN_X, 1, IIO_MOD_X, 's', IIO_LE, 8, 8,
238 ST_ACCEL_DEFAULT_OUT_X_L_ADDR+1),
239 ST_SENSORS_LSM_CHANNELS(IIO_ACCEL,
240 BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
241 ST_SENSORS_SCAN_Y, 1, IIO_MOD_Y, 's', IIO_LE, 8, 8,
242 ST_ACCEL_DEFAULT_OUT_Y_L_ADDR+1),
243 ST_SENSORS_LSM_CHANNELS(IIO_ACCEL,
244 BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
245 ST_SENSORS_SCAN_Z, 1, IIO_MOD_Z, 's', IIO_LE, 8, 8,
246 ST_ACCEL_DEFAULT_OUT_Z_L_ADDR+1),
247 IIO_CHAN_SOFT_TIMESTAMP(3)
248};
249
d6251168 250static const struct iio_chan_spec st_accel_12bit_channels[] = {
762011d6
DC		 251 ST_SENSORS_LSM_CHANNELS(IIO_ACCEL,
252 BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
253 ST_SENSORS_SCAN_X, 1, IIO_MOD_X, 's', IIO_LE, 12, 16,
254 ST_ACCEL_DEFAULT_OUT_X_L_ADDR),
255 ST_SENSORS_LSM_CHANNELS(IIO_ACCEL,
256 BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
257 ST_SENSORS_SCAN_Y, 1, IIO_MOD_Y, 's', IIO_LE, 12, 16,
258 ST_ACCEL_DEFAULT_OUT_Y_L_ADDR),
259 ST_SENSORS_LSM_CHANNELS(IIO_ACCEL,
260 BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
261 ST_SENSORS_SCAN_Z, 1, IIO_MOD_Z, 's', IIO_LE, 12, 16,
262 ST_ACCEL_DEFAULT_OUT_Z_L_ADDR),
d6251168
DC		 263 IIO_CHAN_SOFT_TIMESTAMP(3)
264};
265
266static const struct iio_chan_spec st_accel_16bit_channels[] = {
762011d6
DC		 267 ST_SENSORS_LSM_CHANNELS(IIO_ACCEL,
268 BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
269 ST_SENSORS_SCAN_X, 1, IIO_MOD_X, 's', IIO_LE, 16, 16,
270 ST_ACCEL_DEFAULT_OUT_X_L_ADDR),
271 ST_SENSORS_LSM_CHANNELS(IIO_ACCEL,
272 BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
273 ST_SENSORS_SCAN_Y, 1, IIO_MOD_Y, 's', IIO_LE, 16, 16,
274 ST_ACCEL_DEFAULT_OUT_Y_L_ADDR),
275 ST_SENSORS_LSM_CHANNELS(IIO_ACCEL,
276 BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
277 ST_SENSORS_SCAN_Z, 1, IIO_MOD_Z, 's', IIO_LE, 16, 16,
278 ST_ACCEL_DEFAULT_OUT_Z_L_ADDR),
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DC		 279 IIO_CHAN_SOFT_TIMESTAMP(3)
280};
281
a7ee8839 282static const struct st_sensor_settings st_accel_sensors_settings[] = {
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DC		 283 {
284 .wai = ST_ACCEL_1_WAI_EXP,
bc27381e 285 .wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS,
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DC		 286 .sensors_supported = {
287 [0] = LIS3DH_ACCEL_DEV_NAME,
288 [1] = LSM303DLHC_ACCEL_DEV_NAME,
289 [2] = LSM330D_ACCEL_DEV_NAME,
290 [3] = LSM330DL_ACCEL_DEV_NAME,
291 [4] = LSM330DLC_ACCEL_DEV_NAME,
ddc05fa2 292 [5] = LSM303AGR_ACCEL_DEV_NAME,
34dc578d 293 [6] = LIS2DH12_ACCEL_DEV_NAME,
d6251168
DC		 294 },
295 .ch = (struct iio_chan_spec *)st_accel_12bit_channels,
296 .odr = {
297 .addr = ST_ACCEL_1_ODR_ADDR,
298 .mask = ST_ACCEL_1_ODR_MASK,
299 .odr_avl = {
300 { 1, ST_ACCEL_1_ODR_AVL_1HZ_VAL, },
301 { 10, ST_ACCEL_1_ODR_AVL_10HZ_VAL, },
302 { 25, ST_ACCEL_1_ODR_AVL_25HZ_VAL, },
303 { 50, ST_ACCEL_1_ODR_AVL_50HZ_VAL, },
304 { 100, ST_ACCEL_1_ODR_AVL_100HZ_VAL, },
305 { 200, ST_ACCEL_1_ODR_AVL_200HZ_VAL, },
306 { 400, ST_ACCEL_1_ODR_AVL_400HZ_VAL, },
307 { 1600, ST_ACCEL_1_ODR_AVL_1600HZ_VAL, },
308 },
309 },
310 .pw = {
311 .addr = ST_ACCEL_1_ODR_ADDR,
312 .mask = ST_ACCEL_1_ODR_MASK,
313 .value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE,
314 },
315 .enable_axis = {
316 .addr = ST_SENSORS_DEFAULT_AXIS_ADDR,
317 .mask = ST_SENSORS_DEFAULT_AXIS_MASK,
318 },
319 .fs = {
320 .addr = ST_ACCEL_1_FS_ADDR,
321 .mask = ST_ACCEL_1_FS_MASK,
322 .fs_avl = {
323 [0] = {
324 .num = ST_ACCEL_FS_AVL_2G,
325 .value = ST_ACCEL_1_FS_AVL_2_VAL,
326 .gain = ST_ACCEL_1_FS_AVL_2_GAIN,
327 },
328 [1] = {
329 .num = ST_ACCEL_FS_AVL_4G,
330 .value = ST_ACCEL_1_FS_AVL_4_VAL,
331 .gain = ST_ACCEL_1_FS_AVL_4_GAIN,
332 },
333 [2] = {
334 .num = ST_ACCEL_FS_AVL_8G,
335 .value = ST_ACCEL_1_FS_AVL_8_VAL,
336 .gain = ST_ACCEL_1_FS_AVL_8_GAIN,
337 },
338 [3] = {
339 .num = ST_ACCEL_FS_AVL_16G,
340 .value = ST_ACCEL_1_FS_AVL_16_VAL,
341 .gain = ST_ACCEL_1_FS_AVL_16_GAIN,
342 },
343 },
344 },
345 .bdu = {
346 .addr = ST_ACCEL_1_BDU_ADDR,
347 .mask = ST_ACCEL_1_BDU_MASK,
348 },
349 .drdy_irq = {
350 .addr = ST_ACCEL_1_DRDY_IRQ_ADDR,
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DC		 351 .mask_int1 = ST_ACCEL_1_DRDY_IRQ_INT1_MASK,
352 .mask_int2 = ST_ACCEL_1_DRDY_IRQ_INT2_MASK,
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LW		 353 .addr_ihl = ST_ACCEL_1_IHL_IRQ_ADDR,
354 .mask_ihl = ST_ACCEL_1_IHL_IRQ_MASK,
97865fe4 355 .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR,
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DC		 356 },
357 .multi_read_bit = ST_ACCEL_1_MULTIREAD_BIT,
358 .bootime = 2,
359 },
360 {
361 .wai = ST_ACCEL_2_WAI_EXP,
bc27381e 362 .wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS,
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DC		 363 .sensors_supported = {
364 [0] = LIS331DLH_ACCEL_DEV_NAME,
365 [1] = LSM303DL_ACCEL_DEV_NAME,
366 [2] = LSM303DLH_ACCEL_DEV_NAME,
367 [3] = LSM303DLM_ACCEL_DEV_NAME,
368 },
369 .ch = (struct iio_chan_spec *)st_accel_12bit_channels,
370 .odr = {
371 .addr = ST_ACCEL_2_ODR_ADDR,
372 .mask = ST_ACCEL_2_ODR_MASK,
373 .odr_avl = {
374 { 50, ST_ACCEL_2_ODR_AVL_50HZ_VAL, },
375 { 100, ST_ACCEL_2_ODR_AVL_100HZ_VAL, },
376 { 400, ST_ACCEL_2_ODR_AVL_400HZ_VAL, },
377 { 1000, ST_ACCEL_2_ODR_AVL_1000HZ_VAL, },
378 },
379 },
380 .pw = {
381 .addr = ST_ACCEL_2_PW_ADDR,
382 .mask = ST_ACCEL_2_PW_MASK,
383 .value_on = ST_SENSORS_DEFAULT_POWER_ON_VALUE,
384 .value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE,
385 },
386 .enable_axis = {
387 .addr = ST_SENSORS_DEFAULT_AXIS_ADDR,
388 .mask = ST_SENSORS_DEFAULT_AXIS_MASK,
389 },
390 .fs = {
391 .addr = ST_ACCEL_2_FS_ADDR,
392 .mask = ST_ACCEL_2_FS_MASK,
393 .fs_avl = {
394 [0] = {
395 .num = ST_ACCEL_FS_AVL_2G,
396 .value = ST_ACCEL_2_FS_AVL_2_VAL,
397 .gain = ST_ACCEL_2_FS_AVL_2_GAIN,
398 },
399 [1] = {
400 .num = ST_ACCEL_FS_AVL_4G,
401 .value = ST_ACCEL_2_FS_AVL_4_VAL,
402 .gain = ST_ACCEL_2_FS_AVL_4_GAIN,
403 },
404 [2] = {
405 .num = ST_ACCEL_FS_AVL_8G,
406 .value = ST_ACCEL_2_FS_AVL_8_VAL,
407 .gain = ST_ACCEL_2_FS_AVL_8_GAIN,
408 },
409 },
410 },
411 .bdu = {
412 .addr = ST_ACCEL_2_BDU_ADDR,
413 .mask = ST_ACCEL_2_BDU_MASK,
414 },
415 .drdy_irq = {
416 .addr = ST_ACCEL_2_DRDY_IRQ_ADDR,
23cde4d6
DC		 417 .mask_int1 = ST_ACCEL_2_DRDY_IRQ_INT1_MASK,
418 .mask_int2 = ST_ACCEL_2_DRDY_IRQ_INT2_MASK,
a9fd053b
LW		 419 .addr_ihl = ST_ACCEL_2_IHL_IRQ_ADDR,
420 .mask_ihl = ST_ACCEL_2_IHL_IRQ_MASK,
0e6f6871
LW		 421 .addr_od = ST_ACCEL_2_OD_IRQ_ADDR,
422 .mask_od = ST_ACCEL_2_OD_IRQ_MASK,
97865fe4 423 .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR,
d6251168
DC		 424 },
425 .multi_read_bit = ST_ACCEL_2_MULTIREAD_BIT,
426 .bootime = 2,
427 },
428 {
429 .wai = ST_ACCEL_3_WAI_EXP,
bc27381e 430 .wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS,
d6251168
DC		 431 .sensors_supported = {
432 [0] = LSM330_ACCEL_DEV_NAME,
433 },
434 .ch = (struct iio_chan_spec *)st_accel_16bit_channels,
435 .odr = {
436 .addr = ST_ACCEL_3_ODR_ADDR,
437 .mask = ST_ACCEL_3_ODR_MASK,
438 .odr_avl = {
439 { 3, ST_ACCEL_3_ODR_AVL_3HZ_VAL },
440 { 6, ST_ACCEL_3_ODR_AVL_6HZ_VAL, },
441 { 12, ST_ACCEL_3_ODR_AVL_12HZ_VAL, },
442 { 25, ST_ACCEL_3_ODR_AVL_25HZ_VAL, },
443 { 50, ST_ACCEL_3_ODR_AVL_50HZ_VAL, },
444 { 100, ST_ACCEL_3_ODR_AVL_100HZ_VAL, },
445 { 200, ST_ACCEL_3_ODR_AVL_200HZ_VAL, },
446 { 400, ST_ACCEL_3_ODR_AVL_400HZ_VAL, },
447 { 800, ST_ACCEL_3_ODR_AVL_800HZ_VAL, },
448 { 1600, ST_ACCEL_3_ODR_AVL_1600HZ_VAL, },
449 },
450 },
451 .pw = {
452 .addr = ST_ACCEL_3_ODR_ADDR,
453 .mask = ST_ACCEL_3_ODR_MASK,
454 .value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE,
455 },
456 .enable_axis = {
457 .addr = ST_SENSORS_DEFAULT_AXIS_ADDR,
458 .mask = ST_SENSORS_DEFAULT_AXIS_MASK,
459 },
460 .fs = {
461 .addr = ST_ACCEL_3_FS_ADDR,
462 .mask = ST_ACCEL_3_FS_MASK,
463 .fs_avl = {
464 [0] = {
465 .num = ST_ACCEL_FS_AVL_2G,
466 .value = ST_ACCEL_3_FS_AVL_2_VAL,
467 .gain = ST_ACCEL_3_FS_AVL_2_GAIN,
468 },
469 [1] = {
470 .num = ST_ACCEL_FS_AVL_4G,
471 .value = ST_ACCEL_3_FS_AVL_4_VAL,
472 .gain = ST_ACCEL_3_FS_AVL_4_GAIN,
473 },
474 [2] = {
475 .num = ST_ACCEL_FS_AVL_6G,
476 .value = ST_ACCEL_3_FS_AVL_6_VAL,
477 .gain = ST_ACCEL_3_FS_AVL_6_GAIN,
478 },
479 [3] = {
480 .num = ST_ACCEL_FS_AVL_8G,
481 .value = ST_ACCEL_3_FS_AVL_8_VAL,
482 .gain = ST_ACCEL_3_FS_AVL_8_GAIN,
483 },
484 [4] = {
485 .num = ST_ACCEL_FS_AVL_16G,
486 .value = ST_ACCEL_3_FS_AVL_16_VAL,
487 .gain = ST_ACCEL_3_FS_AVL_16_GAIN,
488 },
489 },
490 },
491 .bdu = {
492 .addr = ST_ACCEL_3_BDU_ADDR,
493 .mask = ST_ACCEL_3_BDU_MASK,
494 },
495 .drdy_irq = {
496 .addr = ST_ACCEL_3_DRDY_IRQ_ADDR,
23cde4d6
DC		 497 .mask_int1 = ST_ACCEL_3_DRDY_IRQ_INT1_MASK,
498 .mask_int2 = ST_ACCEL_3_DRDY_IRQ_INT2_MASK,
a9fd053b
LW		 499 .addr_ihl = ST_ACCEL_3_IHL_IRQ_ADDR,
500 .mask_ihl = ST_ACCEL_3_IHL_IRQ_MASK,
97865fe4 501 .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR,
d6251168
DC		 502 .ig1 = {
503 .en_addr = ST_ACCEL_3_IG1_EN_ADDR,
504 .en_mask = ST_ACCEL_3_IG1_EN_MASK,
505 },
506 },
507 .multi_read_bit = ST_ACCEL_3_MULTIREAD_BIT,
508 .bootime = 2,
509 },
3acddf74
LW		 510 {
511 .wai = ST_ACCEL_4_WAI_EXP,
bc27381e 512 .wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS,
3acddf74
LW		 513 .sensors_supported = {
514 [0] = LIS3LV02DL_ACCEL_DEV_NAME,
515 },
516 .ch = (struct iio_chan_spec *)st_accel_12bit_channels,
517 .odr = {
518 .addr = ST_ACCEL_4_ODR_ADDR,
519 .mask = ST_ACCEL_4_ODR_MASK,
520 .odr_avl = {
521 { 40, ST_ACCEL_4_ODR_AVL_40HZ_VAL },
522 { 160, ST_ACCEL_4_ODR_AVL_160HZ_VAL, },
523 { 640, ST_ACCEL_4_ODR_AVL_640HZ_VAL, },
524 { 2560, ST_ACCEL_4_ODR_AVL_2560HZ_VAL, },
525 },
526 },
527 .pw = {
528 .addr = ST_ACCEL_4_PW_ADDR,
529 .mask = ST_ACCEL_4_PW_MASK,
530 .value_on = ST_SENSORS_DEFAULT_POWER_ON_VALUE,
531 .value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE,
532 },
533 .enable_axis = {
534 .addr = ST_SENSORS_DEFAULT_AXIS_ADDR,
535 .mask = ST_SENSORS_DEFAULT_AXIS_MASK,
536 },
537 .fs = {
538 .addr = ST_ACCEL_4_FS_ADDR,
539 .mask = ST_ACCEL_4_FS_MASK,
540 .fs_avl = {
541 [0] = {
542 .num = ST_ACCEL_FS_AVL_2G,
543 .value = ST_ACCEL_4_FS_AVL_2_VAL,
544 .gain = ST_ACCEL_4_FS_AVL_2_GAIN,
545 },
546 [1] = {
547 .num = ST_ACCEL_FS_AVL_6G,
548 .value = ST_ACCEL_4_FS_AVL_6_VAL,
549 .gain = ST_ACCEL_4_FS_AVL_6_GAIN,
550 },
551 },
552 },
553 .bdu = {
554 .addr = ST_ACCEL_4_BDU_ADDR,
555 .mask = ST_ACCEL_4_BDU_MASK,
556 },
557 .drdy_irq = {
558 .addr = ST_ACCEL_4_DRDY_IRQ_ADDR,
559 .mask_int1 = ST_ACCEL_4_DRDY_IRQ_INT1_MASK,
97865fe4 560 .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR,
3acddf74
LW		 561 },
562 .multi_read_bit = ST_ACCEL_4_MULTIREAD_BIT,
563 .bootime = 2, /* guess */
564 },
bbf5f037
LW		 565 {
566 .wai = ST_ACCEL_5_WAI_EXP,
bc27381e 567 .wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS,
bbf5f037
LW		 568 .sensors_supported = {
569 [0] = LIS331DL_ACCEL_DEV_NAME,
570 },
571 .ch = (struct iio_chan_spec *)st_accel_8bit_channels,
572 .odr = {
573 .addr = ST_ACCEL_5_ODR_ADDR,
574 .mask = ST_ACCEL_5_ODR_MASK,
575 .odr_avl = {
576 { 100, ST_ACCEL_5_ODR_AVL_100HZ_VAL },
577 { 400, ST_ACCEL_5_ODR_AVL_400HZ_VAL, },
578 },
579 },
580 .pw = {
581 .addr = ST_ACCEL_5_PW_ADDR,
582 .mask = ST_ACCEL_5_PW_MASK,
583 .value_on = ST_SENSORS_DEFAULT_POWER_ON_VALUE,
584 .value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE,
585 },
586 .enable_axis = {
587 .addr = ST_SENSORS_DEFAULT_AXIS_ADDR,
588 .mask = ST_SENSORS_DEFAULT_AXIS_MASK,
589 },
590 .fs = {
591 .addr = ST_ACCEL_5_FS_ADDR,
592 .mask = ST_ACCEL_5_FS_MASK,
593 .fs_avl = {
594 [0] = {
595 .num = ST_ACCEL_FS_AVL_2G,
596 .value = ST_ACCEL_5_FS_AVL_2_VAL,
597 .gain = ST_ACCEL_5_FS_AVL_2_GAIN,
598 },
599 [1] = {
600 .num = ST_ACCEL_FS_AVL_8G,
601 .value = ST_ACCEL_5_FS_AVL_8_VAL,
602 .gain = ST_ACCEL_5_FS_AVL_8_GAIN,
603 },
604 },
605 },
606 .drdy_irq = {
607 .addr = ST_ACCEL_5_DRDY_IRQ_ADDR,
608 .mask_int1 = ST_ACCEL_5_DRDY_IRQ_INT1_MASK,
609 .mask_int2 = ST_ACCEL_5_DRDY_IRQ_INT2_MASK,
a9fd053b
LW		 610 .addr_ihl = ST_ACCEL_5_IHL_IRQ_ADDR,
611 .mask_ihl = ST_ACCEL_5_IHL_IRQ_MASK,
0e6f6871
LW		 612 .addr_od = ST_ACCEL_5_OD_IRQ_ADDR,
613 .mask_od = ST_ACCEL_5_OD_IRQ_MASK,
97865fe4 614 .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR,
bbf5f037
LW		 615 },
616 .multi_read_bit = ST_ACCEL_5_MULTIREAD_BIT,
617 .bootime = 2, /* guess */
618 },
1e52fefc
TB		 619 {
620 .wai = ST_ACCEL_6_WAI_EXP,
621 .wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS,
622 .sensors_supported = {
623 [0] = H3LIS331DL_DRIVER_NAME,
624 },
625 .ch = (struct iio_chan_spec *)st_accel_12bit_channels,
626 .odr = {
627 .addr = ST_ACCEL_6_ODR_ADDR,
628 .mask = ST_ACCEL_6_ODR_MASK,
629 .odr_avl = {
630 { 50, ST_ACCEL_6_ODR_AVL_50HZ_VAL },
631 { 100, ST_ACCEL_6_ODR_AVL_100HZ_VAL, },
632 { 400, ST_ACCEL_6_ODR_AVL_400HZ_VAL, },
633 { 1000, ST_ACCEL_6_ODR_AVL_1000HZ_VAL, },
634 },
635 },
636 .pw = {
637 .addr = ST_ACCEL_6_PW_ADDR,
638 .mask = ST_ACCEL_6_PW_MASK,
639 .value_on = ST_SENSORS_DEFAULT_POWER_ON_VALUE,
640 .value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE,
641 },
642 .enable_axis = {
643 .addr = ST_SENSORS_DEFAULT_AXIS_ADDR,
644 .mask = ST_SENSORS_DEFAULT_AXIS_MASK,
645 },
646 .fs = {
647 .addr = ST_ACCEL_6_FS_ADDR,
648 .mask = ST_ACCEL_6_FS_MASK,
649 .fs_avl = {
650 [0] = {
651 .num = ST_ACCEL_FS_AVL_100G,
652 .value = ST_ACCEL_6_FS_AVL_100_VAL,
653 .gain = ST_ACCEL_6_FS_AVL_100_GAIN,
654 },
655 [1] = {
656 .num = ST_ACCEL_FS_AVL_200G,
657 .value = ST_ACCEL_6_FS_AVL_200_VAL,
658 .gain = ST_ACCEL_6_FS_AVL_200_GAIN,
659 },
660 [2] = {
661 .num = ST_ACCEL_FS_AVL_400G,
662 .value = ST_ACCEL_6_FS_AVL_400_VAL,
663 .gain = ST_ACCEL_6_FS_AVL_400_GAIN,
664 },
665 },
666 },
667 .bdu = {
668 .addr = ST_ACCEL_6_BDU_ADDR,
669 .mask = ST_ACCEL_6_BDU_MASK,
670 },
671 .drdy_irq = {
672 .addr = ST_ACCEL_6_DRDY_IRQ_ADDR,
673 .mask_int1 = ST_ACCEL_6_DRDY_IRQ_INT1_MASK,
674 .mask_int2 = ST_ACCEL_6_DRDY_IRQ_INT2_MASK,
675 .addr_ihl = ST_ACCEL_6_IHL_IRQ_ADDR,
676 .mask_ihl = ST_ACCEL_6_IHL_IRQ_MASK,
677 },
678 .multi_read_bit = ST_ACCEL_6_MULTIREAD_BIT,
679 .bootime = 2,
680 },
4e68cfbf
JC		 681 {
682 /* No WAI register present */
683 .sensors_supported = {
684 [0] = LIS3L02DQ_ACCEL_DEV_NAME,
685 },
686 .ch = (struct iio_chan_spec *)st_accel_12bit_channels,
687 .odr = {
688 .addr = ST_ACCEL_7_ODR_ADDR,
689 .mask = ST_ACCEL_7_ODR_MASK,
690 .odr_avl = {
691 { 280, ST_ACCEL_7_ODR_AVL_280HZ_VAL, },
692 { 560, ST_ACCEL_7_ODR_AVL_560HZ_VAL, },
693 { 1120, ST_ACCEL_7_ODR_AVL_1120HZ_VAL, },
694 { 4480, ST_ACCEL_7_ODR_AVL_4480HZ_VAL, },
695 },
696 },
697 .pw = {
698 .addr = ST_ACCEL_7_PW_ADDR,
699 .mask = ST_ACCEL_7_PW_MASK,
700 .value_on = ST_SENSORS_DEFAULT_POWER_ON_VALUE,
701 .value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE,
702 },
703 .enable_axis = {
704 .addr = ST_SENSORS_DEFAULT_AXIS_ADDR,
705 .mask = ST_SENSORS_DEFAULT_AXIS_MASK,
706 },
707 .fs = {
708 .fs_avl = {
709 [0] = {
710 .num = ST_ACCEL_FS_AVL_2G,
711 .gain = ST_ACCEL_7_FS_AVL_2_GAIN,
712 },
713 },
714 },
715 /*
716 * The part has a BDU bit but if set the data is never
717 * updated so don't set it.
718 */
719 .bdu = {
720 },
721 .drdy_irq = {
722 .addr = ST_ACCEL_7_DRDY_IRQ_ADDR,
723 .mask_int1 = ST_ACCEL_7_DRDY_IRQ_INT1_MASK,
724 .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR,
725 },
726 .multi_read_bit = ST_ACCEL_7_MULTIREAD_BIT,
727 .bootime = 2,
728 },
d6251168
DC		 729};
730
731static int st_accel_read_raw(struct iio_dev *indio_dev,
732 struct iio_chan_spec const *ch, int *val,
733 int *val2, long mask)
734{
735 int err;
736 struct st_sensor_data *adata = iio_priv(indio_dev);
737
738 switch (mask) {
739 case IIO_CHAN_INFO_RAW:
740 err = st_sensors_read_info_raw(indio_dev, ch, val);
741 if (err < 0)
742 goto read_error;
743
744 return IIO_VAL_INT;
745 case IIO_CHAN_INFO_SCALE:
746 *val = 0;
747 *val2 = adata->current_fullscale->gain;
748 return IIO_VAL_INT_PLUS_MICRO;
2d239c9e
JC		 749 case IIO_CHAN_INFO_SAMP_FREQ:
750 *val = adata->odr;
751 return IIO_VAL_INT;
d6251168
DC		 752 default:
753 return -EINVAL;
754 }
755
756read_error:
757 return err;
758}
759
760static int st_accel_write_raw(struct iio_dev *indio_dev,
761 struct iio_chan_spec const *chan, int val, int val2, long mask)
762{
763 int err;
764
765 switch (mask) {
766 case IIO_CHAN_INFO_SCALE:
767 err = st_sensors_set_fullscale_by_gain(indio_dev, val2);
768 break;
2d239c9e
JC		 769 case IIO_CHAN_INFO_SAMP_FREQ:
770 if (val2)
771 return -EINVAL;
772 mutex_lock(&indio_dev->mlock);
773 err = st_sensors_set_odr(indio_dev, val);
774 mutex_unlock(&indio_dev->mlock);
775 return err;
d6251168
DC		 776 default:
777 return -EINVAL;
778 }
779
780 return err;
781}
782
d6251168
DC		 783static ST_SENSORS_DEV_ATTR_SAMP_FREQ_AVAIL();
784static ST_SENSORS_DEV_ATTR_SCALE_AVAIL(in_accel_scale_available);
785
786static struct attribute *st_accel_attributes[] = {
787 &iio_dev_attr_sampling_frequency_available.dev_attr.attr,
788 &iio_dev_attr_in_accel_scale_available.dev_attr.attr,
d6251168
DC		 789 NULL,
790};
791
792static const struct attribute_group st_accel_attribute_group = {
793 .attrs = st_accel_attributes,
794};
795
796static const struct iio_info accel_info = {
797 .driver_module = THIS_MODULE,
798 .attrs = &st_accel_attribute_group,
799 .read_raw = &st_accel_read_raw,
800 .write_raw = &st_accel_write_raw,
a0175b9c 801 .debugfs_reg_access = &st_sensors_debugfs_reg_access,
d6251168
DC		 802};
803
8ce4a56a 804#ifdef CONFIG_IIO_TRIGGER
d6251168
DC		 805static const struct iio_trigger_ops st_accel_trigger_ops = {
806 .owner = THIS_MODULE,
807 .set_trigger_state = ST_ACCEL_TRIGGER_SET_STATE,
65925b65 808 .validate_device = st_sensors_validate_device,
d6251168 809};
8ce4a56a
JC		 810#define ST_ACCEL_TRIGGER_OPS (&st_accel_trigger_ops)
811#else
812#define ST_ACCEL_TRIGGER_OPS NULL
813#endif
d6251168 814
b6e6bda6 815int st_accel_common_probe(struct iio_dev *indio_dev)
d6251168 816{
d6251168 817 struct st_sensor_data *adata = iio_priv(indio_dev);
cf4dd430
LJ		 818 int irq = adata->get_irq_data_ready(indio_dev);
819 int err;
d6251168
DC		 820
821 indio_dev->modes = INDIO_DIRECT_MODE;
822 indio_dev->info = &accel_info;
8e71c04f 823 mutex_init(&adata->tb.buf_lock);
d6251168 824
14f295c8
GB		 825 err = st_sensors_power_enable(indio_dev);
826 if (err)
827 return err;
ea7e586b 828
d6251168 829 err = st_sensors_check_device_support(indio_dev,
a7ee8839
DC		 830 ARRAY_SIZE(st_accel_sensors_settings),
831 st_accel_sensors_settings);
d6251168 832 if (err < 0)
14f295c8 833 goto st_accel_power_off;
d6251168 834
607a568a 835 adata->num_data_channels = ST_ACCEL_NUMBER_DATA_CHANNELS;
a7ee8839
DC		 836 adata->multiread_bit = adata->sensor_settings->multi_read_bit;
837 indio_dev->channels = adata->sensor_settings->ch;
d6251168
DC		 838 indio_dev->num_channels = ST_SENSORS_NUMBER_ALL_CHANNELS;
839
840 adata->current_fullscale = (struct st_sensor_fullscale_avl *)
a7ee8839
DC		 841 &adata->sensor_settings->fs.fs_avl[0];
842 adata->odr = adata->sensor_settings->odr.odr_avl[0].hz;
d6251168 843
b6e6bda6
DC		 844 if (!adata->dev->platform_data)
845 adata->dev->platform_data =
23cde4d6
DC		 846 (struct st_sensors_platform_data *)&default_accel_pdata;
847
b6e6bda6 848 err = st_sensors_init_sensor(indio_dev, adata->dev->platform_data);
d6251168 849 if (err < 0)
14f295c8 850 goto st_accel_power_off;
d6251168 851
e21e254e
DC		 852 err = st_accel_allocate_ring(indio_dev);
853 if (err < 0)
14f295c8 854 goto st_accel_power_off;
d6251168 855
e21e254e 856 if (irq > 0) {
d6251168 857 err = st_sensors_allocate_trigger(indio_dev,
8ce4a56a 858 ST_ACCEL_TRIGGER_OPS);
d6251168
DC		 859 if (err < 0)
860 goto st_accel_probe_trigger_error;
861 }
862
863 err = iio_device_register(indio_dev);
864 if (err)
865 goto st_accel_device_register_error;
866
4f544ced
LW		 867 dev_info(&indio_dev->dev, "registered accelerometer %s\n",
868 indio_dev->name);
869
cf4dd430 870 return 0;
d6251168
DC		 871
872st_accel_device_register_error:
cf4dd430 873 if (irq > 0)
d6251168
DC		 874 st_sensors_deallocate_trigger(indio_dev);
875st_accel_probe_trigger_error:
e21e254e 876 st_accel_deallocate_ring(indio_dev);
14f295c8
GB		 877st_accel_power_off:
878 st_sensors_power_disable(indio_dev);
cf4dd430 879
d6251168
DC		 880 return err;
881}
882EXPORT_SYMBOL(st_accel_common_probe);
883
884void st_accel_common_remove(struct iio_dev *indio_dev)
885{
886 struct st_sensor_data *adata = iio_priv(indio_dev);
887
ea7e586b
LW		 888 st_sensors_power_disable(indio_dev);
889
d6251168 890 iio_device_unregister(indio_dev);
e21e254e 891 if (adata->get_irq_data_ready(indio_dev) > 0)
d6251168 892 st_sensors_deallocate_trigger(indio_dev);
e21e254e
DC		 893
894 st_accel_deallocate_ring(indio_dev);
d6251168
DC		 895}
896EXPORT_SYMBOL(st_accel_common_remove);
897
898MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
899MODULE_DESCRIPTION("STMicroelectronics accelerometers driver");
900MODULE_LICENSE("GPL v2");
Linux 6.x block layer and io_uring tree(s)