1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * KXCJK-1013 3-axis accelerometer driver |
4 | * Copyright (c) 2014, Intel Corporation. |
5 | */ |
6 | |
7 | #include <linux/module.h> |
8 | #include <linux/i2c.h> |
9 | #include <linux/interrupt.h> |
10 | #include <linux/delay.h> |
11 | #include <linux/bitops.h> |
12 | #include <linux/slab.h> |
13 | #include <linux/string.h> |
14 | #include <linux/acpi.h> |
15 | #include <linux/pm.h> |
16 | #include <linux/pm_runtime.h> |
17 | #include <linux/regulator/consumer.h> |
18 | #include <linux/iio/iio.h> |
19 | #include <linux/iio/sysfs.h> |
20 | #include <linux/iio/buffer.h> |
21 | #include <linux/iio/trigger.h> |
22 | #include <linux/iio/events.h> |
23 | #include <linux/iio/trigger_consumer.h> |
24 | #include <linux/iio/triggered_buffer.h> |
25 | #include <linux/iio/accel/kxcjk_1013.h> |
26 | |
27 | #define KXCJK1013_DRV_NAME "kxcjk1013" |
28 | #define KXCJK1013_IRQ_NAME "kxcjk1013_event" |
29 | |
30 | #define KXTF9_REG_HP_XOUT_L 0x00 |
31 | #define KXTF9_REG_HP_XOUT_H 0x01 |
32 | #define KXTF9_REG_HP_YOUT_L 0x02 |
33 | #define KXTF9_REG_HP_YOUT_H 0x03 |
34 | #define KXTF9_REG_HP_ZOUT_L 0x04 |
35 | #define KXTF9_REG_HP_ZOUT_H 0x05 |
36 | |
37 | #define KXCJK1013_REG_XOUT_L 0x06 |
38 | /* |
39 | * From low byte X axis register, all the other addresses of Y and Z can be |
40 | * obtained by just applying axis offset. The following axis defines are just |
41 | * provide clarity, but not used. |
42 | */ |
43 | #define KXCJK1013_REG_XOUT_H 0x07 |
44 | #define KXCJK1013_REG_YOUT_L 0x08 |
45 | #define KXCJK1013_REG_YOUT_H 0x09 |
46 | #define KXCJK1013_REG_ZOUT_L 0x0A |
47 | #define KXCJK1013_REG_ZOUT_H 0x0B |
48 | |
49 | #define KXCJK1013_REG_DCST_RESP 0x0C |
50 | #define KXCJK1013_REG_WHO_AM_I 0x0F |
51 | #define KXTF9_REG_TILT_POS_CUR 0x10 |
52 | #define KXTF9_REG_TILT_POS_PREV 0x11 |
53 | #define KXTF9_REG_INT_SRC1 0x15 |
54 | #define KXTF9_REG_INT_SRC2 0x16 |
55 | #define KXCJK1013_REG_INT_SRC1 0x16 |
56 | #define KXCJK1013_REG_INT_SRC2 0x17 |
57 | #define KXCJK1013_REG_STATUS_REG 0x18 |
58 | #define KXCJK1013_REG_INT_REL 0x1A |
59 | #define KXCJK1013_REG_CTRL1 0x1B |
60 | #define KXTF9_REG_CTRL2 0x1C |
61 | #define KXTF9_REG_CTRL3 0x1D |
62 | #define KXCJK1013_REG_CTRL2 0x1D |
63 | #define KXCJK1013_REG_INT_CTRL1 0x1E |
64 | #define KXCJK1013_REG_INT_CTRL2 0x1F |
65 | #define KXTF9_REG_INT_CTRL3 0x20 |
66 | #define KXCJK1013_REG_DATA_CTRL 0x21 |
67 | #define KXTF9_REG_TILT_TIMER 0x28 |
68 | #define KXCJK1013_REG_WAKE_TIMER 0x29 |
69 | #define KXTF9_REG_TDT_TIMER 0x2B |
70 | #define KXTF9_REG_TDT_THRESH_H 0x2C |
71 | #define KXTF9_REG_TDT_THRESH_L 0x2D |
72 | #define KXTF9_REG_TDT_TAP_TIMER 0x2E |
73 | #define KXTF9_REG_TDT_TOTAL_TIMER 0x2F |
74 | #define KXTF9_REG_TDT_LATENCY_TIMER 0x30 |
75 | #define KXTF9_REG_TDT_WINDOW_TIMER 0x31 |
76 | #define KXCJK1013_REG_SELF_TEST 0x3A |
77 | #define KXTF9_REG_WAKE_THRESH 0x5A |
78 | #define KXTF9_REG_TILT_ANGLE 0x5C |
79 | #define KXTF9_REG_HYST_SET 0x5F |
80 | #define KXCJK1013_REG_WAKE_THRES 0x6A |
81 | |
82 | /* Everything up to 0x11 is equal to KXCJK1013/KXTF9 above */ |
83 | #define KX023_REG_INS1 0x12 |
84 | #define KX023_REG_INS2 0x13 |
85 | #define KX023_REG_INS3 0x14 |
86 | #define KX023_REG_STAT 0x15 |
87 | #define KX023_REG_INT_REL 0x17 |
88 | #define KX023_REG_CNTL1 0x18 |
89 | #define KX023_REG_CNTL2 0x19 |
90 | #define KX023_REG_CNTL3 0x1A |
91 | #define KX023_REG_ODCNTL 0x1B |
92 | #define KX023_REG_INC1 0x1C |
93 | #define KX023_REG_INC2 0x1D |
94 | #define KX023_REG_INC3 0x1E |
95 | #define KX023_REG_INC4 0x1F |
96 | #define KX023_REG_INC5 0x20 |
97 | #define KX023_REG_INC6 0x21 |
98 | #define KX023_REG_TILT_TIMER 0x22 |
99 | #define KX023_REG_WUFC 0x23 |
100 | #define KX023_REG_TDTRC 0x24 |
101 | #define KX023_REG_TDTC 0x25 |
102 | #define KX023_REG_TTH 0x26 |
103 | #define KX023_REG_TTL 0x27 |
104 | #define KX023_REG_FTD 0x28 |
105 | #define KX023_REG_STD 0x29 |
106 | #define KX023_REG_TLT 0x2A |
107 | #define KX023_REG_TWS 0x2B |
108 | #define KX023_REG_ATH 0x30 |
109 | #define KX023_REG_TILT_ANGLE_LL 0x32 |
110 | #define KX023_REG_TILT_ANGLE_HL 0x33 |
111 | #define KX023_REG_HYST_SET 0x34 |
112 | #define KX023_REG_LP_CNTL 0x35 |
113 | #define KX023_REG_BUF_CNTL1 0x3A |
114 | #define KX023_REG_BUF_CNTL2 0x3B |
115 | #define KX023_REG_BUF_STATUS_1 0x3C |
116 | #define KX023_REG_BUF_STATUS_2 0x3D |
117 | #define KX023_REG_BUF_CLEAR 0x3E |
118 | #define KX023_REG_BUF_READ 0x3F |
119 | #define KX023_REG_SELF_TEST 0x60 |
120 | |
121 | #define KXCJK1013_REG_CTRL1_BIT_PC1 BIT(7) |
122 | #define KXCJK1013_REG_CTRL1_BIT_RES BIT(6) |
123 | #define KXCJK1013_REG_CTRL1_BIT_DRDY BIT(5) |
124 | #define KXCJK1013_REG_CTRL1_BIT_GSEL1 BIT(4) |
125 | #define KXCJK1013_REG_CTRL1_BIT_GSEL0 BIT(3) |
126 | #define KXCJK1013_REG_CTRL1_BIT_WUFE BIT(1) |
127 | |
128 | #define KXCJK1013_REG_INT_CTRL1_BIT_IEU BIT(2) /* KXTF9 */ |
129 | #define KXCJK1013_REG_INT_CTRL1_BIT_IEL BIT(3) |
130 | #define KXCJK1013_REG_INT_CTRL1_BIT_IEA BIT(4) |
131 | #define KXCJK1013_REG_INT_CTRL1_BIT_IEN BIT(5) |
132 | |
133 | #define KXTF9_REG_TILT_BIT_LEFT_EDGE BIT(5) |
134 | #define KXTF9_REG_TILT_BIT_RIGHT_EDGE BIT(4) |
135 | #define KXTF9_REG_TILT_BIT_LOWER_EDGE BIT(3) |
136 | #define KXTF9_REG_TILT_BIT_UPPER_EDGE BIT(2) |
137 | #define KXTF9_REG_TILT_BIT_FACE_DOWN BIT(1) |
138 | #define KXTF9_REG_TILT_BIT_FACE_UP BIT(0) |
139 | |
140 | #define KXCJK1013_DATA_MASK_12_BIT 0x0FFF |
141 | #define KXCJK1013_MAX_STARTUP_TIME_US 100000 |
142 | |
143 | #define KXCJK1013_SLEEP_DELAY_MS 2000 |
144 | |
145 | #define KXCJK1013_REG_INT_SRC1_BIT_TPS BIT(0) /* KXTF9 */ |
146 | #define KXCJK1013_REG_INT_SRC1_BIT_WUFS BIT(1) |
147 | #define KXCJK1013_REG_INT_SRC1_MASK_TDTS (BIT(2) | BIT(3)) /* KXTF9 */ |
148 | #define KXCJK1013_REG_INT_SRC1_TAP_NONE 0 |
149 | #define KXCJK1013_REG_INT_SRC1_TAP_SINGLE BIT(2) |
150 | #define KXCJK1013_REG_INT_SRC1_TAP_DOUBLE BIT(3) |
151 | #define KXCJK1013_REG_INT_SRC1_BIT_DRDY BIT(4) |
152 | |
153 | /* KXCJK: INT_SOURCE2: motion detect, KXTF9: INT_SRC_REG1: tap detect */ |
154 | #define KXCJK1013_REG_INT_SRC2_BIT_ZP BIT(0) |
155 | #define KXCJK1013_REG_INT_SRC2_BIT_ZN BIT(1) |
156 | #define KXCJK1013_REG_INT_SRC2_BIT_YP BIT(2) |
157 | #define KXCJK1013_REG_INT_SRC2_BIT_YN BIT(3) |
158 | #define KXCJK1013_REG_INT_SRC2_BIT_XP BIT(4) |
159 | #define KXCJK1013_REG_INT_SRC2_BIT_XN BIT(5) |
160 | |
161 | /* KX023 interrupt routing to INT1. INT2 can be configured with INC6 */ |
162 | #define KX023_REG_INC4_BFI1 BIT(6) |
163 | #define KX023_REG_INC4_WMI1 BIT(5) |
164 | #define KX023_REG_INC4_DRDY1 BIT(4) |
165 | #define KX023_REG_INC4_TDTI1 BIT(2) |
166 | #define KX023_REG_INC4_WUFI1 BIT(1) |
167 | #define KX023_REG_INC4_TPI1 BIT(0) |
168 | |
169 | #define KXCJK1013_DEFAULT_WAKE_THRES 1 |
170 | |
171 | enum kx_chipset { |
172 | KXCJK1013, |
173 | KXCJ91008, |
174 | KXTJ21009, |
175 | KXTF9, |
176 | KX0231025, |
177 | KX_MAX_CHIPS /* this must be last */ |
178 | }; |
179 | |
180 | enum kx_acpi_type { |
181 | ACPI_GENERIC, |
182 | ACPI_SMO8500, |
183 | ACPI_KIOX010A, |
184 | }; |
185 | |
186 | struct kx_chipset_regs { |
187 | u8 int_src1; |
188 | u8 int_src2; |
189 | u8 int_rel; |
190 | u8 ctrl1; |
191 | u8 wuf_ctrl; |
192 | u8 int_ctrl1; |
193 | u8 data_ctrl; |
194 | u8 wake_timer; |
195 | u8 wake_thres; |
196 | }; |
197 | |
198 | static const struct kx_chipset_regs kxcjk1013_regs = { |
199 | .int_src1 = KXCJK1013_REG_INT_SRC1, |
200 | .int_src2 = KXCJK1013_REG_INT_SRC2, |
201 | .int_rel = KXCJK1013_REG_INT_REL, |
202 | .ctrl1 = KXCJK1013_REG_CTRL1, |
203 | .wuf_ctrl = KXCJK1013_REG_CTRL2, |
204 | .int_ctrl1 = KXCJK1013_REG_INT_CTRL1, |
205 | .data_ctrl = KXCJK1013_REG_DATA_CTRL, |
206 | .wake_timer = KXCJK1013_REG_WAKE_TIMER, |
207 | .wake_thres = KXCJK1013_REG_WAKE_THRES, |
208 | }; |
209 | |
210 | static const struct kx_chipset_regs kxtf9_regs = { |
211 | /* .int_src1 was moved to INT_SRC2 on KXTF9 */ |
212 | .int_src1 = KXTF9_REG_INT_SRC2, |
213 | /* .int_src2 is not available */ |
214 | .int_rel = KXCJK1013_REG_INT_REL, |
215 | .ctrl1 = KXCJK1013_REG_CTRL1, |
216 | .wuf_ctrl = KXTF9_REG_CTRL3, |
217 | .int_ctrl1 = KXCJK1013_REG_INT_CTRL1, |
218 | .data_ctrl = KXCJK1013_REG_DATA_CTRL, |
219 | .wake_timer = KXCJK1013_REG_WAKE_TIMER, |
220 | .wake_thres = KXTF9_REG_WAKE_THRESH, |
221 | }; |
222 | |
223 | /* The registers have totally different names but the bits are compatible */ |
224 | static const struct kx_chipset_regs kx0231025_regs = { |
225 | .int_src1 = KX023_REG_INS2, |
226 | .int_src2 = KX023_REG_INS3, |
227 | .int_rel = KX023_REG_INT_REL, |
228 | .ctrl1 = KX023_REG_CNTL1, |
229 | .wuf_ctrl = KX023_REG_CNTL3, |
230 | .int_ctrl1 = KX023_REG_INC1, |
231 | .data_ctrl = KX023_REG_ODCNTL, |
232 | .wake_timer = KX023_REG_WUFC, |
233 | .wake_thres = KX023_REG_ATH, |
234 | }; |
235 | |
236 | enum kxcjk1013_axis { |
237 | AXIS_X, |
238 | AXIS_Y, |
239 | AXIS_Z, |
240 | AXIS_MAX |
241 | }; |
242 | |
243 | struct kxcjk1013_data { |
244 | struct i2c_client *client; |
245 | struct iio_trigger *dready_trig; |
246 | struct iio_trigger *motion_trig; |
247 | struct iio_mount_matrix orientation; |
248 | struct mutex mutex; |
249 | /* Ensure timestamp naturally aligned */ |
250 | struct { |
251 | s16 chans[AXIS_MAX]; |
252 | s64 timestamp __aligned(8); |
253 | } scan; |
254 | u8 odr_bits; |
255 | u8 range; |
256 | int wake_thres; |
257 | int wake_dur; |
258 | bool active_high_intr; |
259 | bool dready_trigger_on; |
260 | int ev_enable_state; |
261 | bool motion_trigger_on; |
262 | int64_t timestamp; |
263 | enum kx_chipset chipset; |
264 | enum kx_acpi_type acpi_type; |
265 | const struct kx_chipset_regs *regs; |
266 | }; |
267 | |
268 | enum kxcjk1013_mode { |
269 | STANDBY, |
270 | OPERATION, |
271 | }; |
272 | |
273 | enum kxcjk1013_range { |
274 | KXCJK1013_RANGE_2G, |
275 | KXCJK1013_RANGE_4G, |
276 | KXCJK1013_RANGE_8G, |
277 | }; |
278 | |
279 | struct kx_odr_map { |
280 | int val; |
281 | int val2; |
282 | int odr_bits; |
283 | int wuf_bits; |
284 | }; |
285 | |
286 | static const struct kx_odr_map samp_freq_table[] = { |
287 | { 0, 781000, 0x08, 0x00 }, |
288 | { 1, 563000, 0x09, 0x01 }, |
289 | { 3, 125000, 0x0A, 0x02 }, |
290 | { 6, 250000, 0x0B, 0x03 }, |
291 | { 12, 500000, 0x00, 0x04 }, |
292 | { 25, 0, 0x01, 0x05 }, |
293 | { 50, 0, 0x02, 0x06 }, |
294 | { 100, 0, 0x03, 0x06 }, |
295 | { 200, 0, 0x04, 0x06 }, |
296 | { 400, 0, 0x05, 0x06 }, |
297 | { 800, 0, 0x06, 0x06 }, |
298 | { 1600, 0, 0x07, 0x06 }, |
299 | }; |
300 | |
301 | static const char *const kxcjk1013_samp_freq_avail = |
302 | "0.781000 1.563000 3.125000 6.250000 12.500000 25 50 100 200 400 800 1600" ; |
303 | |
304 | static const struct kx_odr_map kxtf9_samp_freq_table[] = { |
305 | { 25, 0, 0x01, 0x00 }, |
306 | { 50, 0, 0x02, 0x01 }, |
307 | { 100, 0, 0x03, 0x01 }, |
308 | { 200, 0, 0x04, 0x01 }, |
309 | { 400, 0, 0x05, 0x01 }, |
310 | { 800, 0, 0x06, 0x01 }, |
311 | }; |
312 | |
313 | static const char *const kxtf9_samp_freq_avail = |
314 | "25 50 100 200 400 800" ; |
315 | |
316 | /* Refer to section 4 of the specification */ |
317 | static __maybe_unused const struct { |
318 | int odr_bits; |
319 | int usec; |
320 | } odr_start_up_times[KX_MAX_CHIPS][12] = { |
321 | /* KXCJK-1013 */ |
322 | { |
323 | {0x08, 100000}, |
324 | {0x09, 100000}, |
325 | {0x0A, 100000}, |
326 | {0x0B, 100000}, |
327 | {0, 80000}, |
328 | {0x01, 41000}, |
329 | {0x02, 21000}, |
330 | {0x03, 11000}, |
331 | {0x04, 6400}, |
332 | {0x05, 3900}, |
333 | {0x06, 2700}, |
334 | {0x07, 2100}, |
335 | }, |
336 | /* KXCJ9-1008 */ |
337 | { |
338 | {0x08, 100000}, |
339 | {0x09, 100000}, |
340 | {0x0A, 100000}, |
341 | {0x0B, 100000}, |
342 | {0, 80000}, |
343 | {0x01, 41000}, |
344 | {0x02, 21000}, |
345 | {0x03, 11000}, |
346 | {0x04, 6400}, |
347 | {0x05, 3900}, |
348 | {0x06, 2700}, |
349 | {0x07, 2100}, |
350 | }, |
351 | /* KXCTJ2-1009 */ |
352 | { |
353 | {0x08, 1240000}, |
354 | {0x09, 621000}, |
355 | {0x0A, 309000}, |
356 | {0x0B, 151000}, |
357 | {0, 80000}, |
358 | {0x01, 41000}, |
359 | {0x02, 21000}, |
360 | {0x03, 11000}, |
361 | {0x04, 6000}, |
362 | {0x05, 4000}, |
363 | {0x06, 3000}, |
364 | {0x07, 2000}, |
365 | }, |
366 | /* KXTF9 */ |
367 | { |
368 | {0x01, 81000}, |
369 | {0x02, 41000}, |
370 | {0x03, 21000}, |
371 | {0x04, 11000}, |
372 | {0x05, 5100}, |
373 | {0x06, 2700}, |
374 | }, |
375 | /* KX023-1025 */ |
376 | { |
377 | /* First 4 are not in datasheet, taken from KXCTJ2-1009 */ |
378 | {0x08, 1240000}, |
379 | {0x09, 621000}, |
380 | {0x0A, 309000}, |
381 | {0x0B, 151000}, |
382 | {0, 81000}, |
383 | {0x01, 40000}, |
384 | {0x02, 22000}, |
385 | {0x03, 12000}, |
386 | {0x04, 7000}, |
387 | {0x05, 4400}, |
388 | {0x06, 3000}, |
389 | {0x07, 3000}, |
390 | }, |
391 | }; |
392 | |
393 | static const struct { |
394 | u16 scale; |
395 | u8 gsel_0; |
396 | u8 gsel_1; |
397 | } KXCJK1013_scale_table[] = { {9582, 0, 0}, |
398 | {19163, 1, 0}, |
399 | {38326, 0, 1} }; |
400 | |
401 | #ifdef CONFIG_ACPI |
402 | enum kiox010a_fn_index { |
403 | KIOX010A_SET_LAPTOP_MODE = 1, |
404 | KIOX010A_SET_TABLET_MODE = 2, |
405 | }; |
406 | |
407 | static int kiox010a_dsm(struct device *dev, int fn_index) |
408 | { |
409 | acpi_handle handle = ACPI_HANDLE(dev); |
410 | guid_t kiox010a_dsm_guid; |
411 | union acpi_object *obj; |
412 | |
413 | if (!handle) |
414 | return -ENODEV; |
415 | |
416 | guid_parse(uuid: "1f339696-d475-4e26-8cad-2e9f8e6d7a91" , u: &kiox010a_dsm_guid); |
417 | |
418 | obj = acpi_evaluate_dsm(handle, guid: &kiox010a_dsm_guid, rev: 1, func: fn_index, NULL); |
419 | if (!obj) |
420 | return -EIO; |
421 | |
422 | ACPI_FREE(obj); |
423 | return 0; |
424 | } |
425 | #endif |
426 | |
427 | static int kxcjk1013_set_mode(struct kxcjk1013_data *data, |
428 | enum kxcjk1013_mode mode) |
429 | { |
430 | int ret; |
431 | |
432 | ret = i2c_smbus_read_byte_data(client: data->client, command: data->regs->ctrl1); |
433 | if (ret < 0) { |
434 | dev_err(&data->client->dev, "Error reading reg_ctrl1\n" ); |
435 | return ret; |
436 | } |
437 | |
438 | if (mode == STANDBY) |
439 | ret &= ~KXCJK1013_REG_CTRL1_BIT_PC1; |
440 | else |
441 | ret |= KXCJK1013_REG_CTRL1_BIT_PC1; |
442 | |
443 | ret = i2c_smbus_write_byte_data(client: data->client, command: data->regs->ctrl1, value: ret); |
444 | if (ret < 0) { |
445 | dev_err(&data->client->dev, "Error writing reg_ctrl1\n" ); |
446 | return ret; |
447 | } |
448 | |
449 | return 0; |
450 | } |
451 | |
452 | static int kxcjk1013_get_mode(struct kxcjk1013_data *data, |
453 | enum kxcjk1013_mode *mode) |
454 | { |
455 | int ret; |
456 | |
457 | ret = i2c_smbus_read_byte_data(client: data->client, command: data->regs->ctrl1); |
458 | if (ret < 0) { |
459 | dev_err(&data->client->dev, "Error reading reg_ctrl1\n" ); |
460 | return ret; |
461 | } |
462 | |
463 | if (ret & KXCJK1013_REG_CTRL1_BIT_PC1) |
464 | *mode = OPERATION; |
465 | else |
466 | *mode = STANDBY; |
467 | |
468 | return 0; |
469 | } |
470 | |
471 | static int kxcjk1013_set_range(struct kxcjk1013_data *data, int range_index) |
472 | { |
473 | int ret; |
474 | |
475 | ret = i2c_smbus_read_byte_data(client: data->client, command: data->regs->ctrl1); |
476 | if (ret < 0) { |
477 | dev_err(&data->client->dev, "Error reading reg_ctrl1\n" ); |
478 | return ret; |
479 | } |
480 | |
481 | ret &= ~(KXCJK1013_REG_CTRL1_BIT_GSEL0 | |
482 | KXCJK1013_REG_CTRL1_BIT_GSEL1); |
483 | ret |= (KXCJK1013_scale_table[range_index].gsel_0 << 3); |
484 | ret |= (KXCJK1013_scale_table[range_index].gsel_1 << 4); |
485 | |
486 | ret = i2c_smbus_write_byte_data(client: data->client, command: data->regs->ctrl1, value: ret); |
487 | if (ret < 0) { |
488 | dev_err(&data->client->dev, "Error writing reg_ctrl1\n" ); |
489 | return ret; |
490 | } |
491 | |
492 | data->range = range_index; |
493 | |
494 | return 0; |
495 | } |
496 | |
497 | static int kxcjk1013_chip_init(struct kxcjk1013_data *data) |
498 | { |
499 | int ret; |
500 | |
501 | #ifdef CONFIG_ACPI |
502 | if (data->acpi_type == ACPI_KIOX010A) { |
503 | /* Make sure the kbd and touchpad on 2-in-1s using 2 KXCJ91008-s work */ |
504 | kiox010a_dsm(dev: &data->client->dev, fn_index: KIOX010A_SET_LAPTOP_MODE); |
505 | } |
506 | #endif |
507 | |
508 | ret = i2c_smbus_read_byte_data(client: data->client, KXCJK1013_REG_WHO_AM_I); |
509 | if (ret < 0) { |
510 | dev_err(&data->client->dev, "Error reading who_am_i\n" ); |
511 | return ret; |
512 | } |
513 | |
514 | dev_dbg(&data->client->dev, "KXCJK1013 Chip Id %x\n" , ret); |
515 | |
516 | ret = kxcjk1013_set_mode(data, mode: STANDBY); |
517 | if (ret < 0) |
518 | return ret; |
519 | |
520 | ret = i2c_smbus_read_byte_data(client: data->client, command: data->regs->ctrl1); |
521 | if (ret < 0) { |
522 | dev_err(&data->client->dev, "Error reading reg_ctrl1\n" ); |
523 | return ret; |
524 | } |
525 | |
526 | /* Set 12 bit mode */ |
527 | ret |= KXCJK1013_REG_CTRL1_BIT_RES; |
528 | |
529 | ret = i2c_smbus_write_byte_data(client: data->client, command: data->regs->ctrl1, value: ret); |
530 | if (ret < 0) { |
531 | dev_err(&data->client->dev, "Error reading reg_ctrl\n" ); |
532 | return ret; |
533 | } |
534 | |
535 | /* Setting range to 4G */ |
536 | ret = kxcjk1013_set_range(data, range_index: KXCJK1013_RANGE_4G); |
537 | if (ret < 0) |
538 | return ret; |
539 | |
540 | ret = i2c_smbus_read_byte_data(client: data->client, command: data->regs->data_ctrl); |
541 | if (ret < 0) { |
542 | dev_err(&data->client->dev, "Error reading reg_data_ctrl\n" ); |
543 | return ret; |
544 | } |
545 | |
546 | data->odr_bits = ret; |
547 | |
548 | /* Set up INT polarity */ |
549 | ret = i2c_smbus_read_byte_data(client: data->client, command: data->regs->int_ctrl1); |
550 | if (ret < 0) { |
551 | dev_err(&data->client->dev, "Error reading reg_int_ctrl1\n" ); |
552 | return ret; |
553 | } |
554 | |
555 | if (data->active_high_intr) |
556 | ret |= KXCJK1013_REG_INT_CTRL1_BIT_IEA; |
557 | else |
558 | ret &= ~KXCJK1013_REG_INT_CTRL1_BIT_IEA; |
559 | |
560 | ret = i2c_smbus_write_byte_data(client: data->client, command: data->regs->int_ctrl1, value: ret); |
561 | if (ret < 0) { |
562 | dev_err(&data->client->dev, "Error writing reg_int_ctrl1\n" ); |
563 | return ret; |
564 | } |
565 | |
566 | /* On KX023, route all used interrupts to INT1 for now */ |
567 | if (data->chipset == KX0231025 && data->client->irq > 0) { |
568 | ret = i2c_smbus_write_byte_data(client: data->client, KX023_REG_INC4, |
569 | KX023_REG_INC4_DRDY1 | |
570 | KX023_REG_INC4_WUFI1); |
571 | if (ret < 0) { |
572 | dev_err(&data->client->dev, "Error writing reg_inc4\n" ); |
573 | return ret; |
574 | } |
575 | } |
576 | |
577 | ret = kxcjk1013_set_mode(data, mode: OPERATION); |
578 | if (ret < 0) |
579 | return ret; |
580 | |
581 | data->wake_thres = KXCJK1013_DEFAULT_WAKE_THRES; |
582 | |
583 | return 0; |
584 | } |
585 | |
586 | #ifdef CONFIG_PM |
587 | static int kxcjk1013_get_startup_times(struct kxcjk1013_data *data) |
588 | { |
589 | int i; |
590 | int idx = data->chipset; |
591 | |
592 | for (i = 0; i < ARRAY_SIZE(odr_start_up_times[idx]); ++i) { |
593 | if (odr_start_up_times[idx][i].odr_bits == data->odr_bits) |
594 | return odr_start_up_times[idx][i].usec; |
595 | } |
596 | |
597 | return KXCJK1013_MAX_STARTUP_TIME_US; |
598 | } |
599 | #endif |
600 | |
601 | static int kxcjk1013_set_power_state(struct kxcjk1013_data *data, bool on) |
602 | { |
603 | #ifdef CONFIG_PM |
604 | int ret; |
605 | |
606 | if (on) |
607 | ret = pm_runtime_resume_and_get(dev: &data->client->dev); |
608 | else { |
609 | pm_runtime_mark_last_busy(dev: &data->client->dev); |
610 | ret = pm_runtime_put_autosuspend(dev: &data->client->dev); |
611 | } |
612 | if (ret < 0) { |
613 | dev_err(&data->client->dev, |
614 | "Failed: %s for %d\n" , __func__, on); |
615 | return ret; |
616 | } |
617 | #endif |
618 | |
619 | return 0; |
620 | } |
621 | |
622 | static int kxcjk1013_chip_update_thresholds(struct kxcjk1013_data *data) |
623 | { |
624 | int ret; |
625 | |
626 | ret = i2c_smbus_write_byte_data(client: data->client, command: data->regs->wake_timer, |
627 | value: data->wake_dur); |
628 | if (ret < 0) { |
629 | dev_err(&data->client->dev, |
630 | "Error writing reg_wake_timer\n" ); |
631 | return ret; |
632 | } |
633 | |
634 | ret = i2c_smbus_write_byte_data(client: data->client, command: data->regs->wake_thres, |
635 | value: data->wake_thres); |
636 | if (ret < 0) { |
637 | dev_err(&data->client->dev, "Error writing reg_wake_thres\n" ); |
638 | return ret; |
639 | } |
640 | |
641 | return 0; |
642 | } |
643 | |
644 | static int kxcjk1013_setup_any_motion_interrupt(struct kxcjk1013_data *data, |
645 | bool status) |
646 | { |
647 | int ret; |
648 | enum kxcjk1013_mode store_mode; |
649 | |
650 | ret = kxcjk1013_get_mode(data, mode: &store_mode); |
651 | if (ret < 0) |
652 | return ret; |
653 | |
654 | /* This is requirement by spec to change state to STANDBY */ |
655 | ret = kxcjk1013_set_mode(data, mode: STANDBY); |
656 | if (ret < 0) |
657 | return ret; |
658 | |
659 | ret = kxcjk1013_chip_update_thresholds(data); |
660 | if (ret < 0) |
661 | return ret; |
662 | |
663 | ret = i2c_smbus_read_byte_data(client: data->client, command: data->regs->int_ctrl1); |
664 | if (ret < 0) { |
665 | dev_err(&data->client->dev, "Error reading reg_int_ctrl1\n" ); |
666 | return ret; |
667 | } |
668 | |
669 | if (status) |
670 | ret |= KXCJK1013_REG_INT_CTRL1_BIT_IEN; |
671 | else |
672 | ret &= ~KXCJK1013_REG_INT_CTRL1_BIT_IEN; |
673 | |
674 | ret = i2c_smbus_write_byte_data(client: data->client, command: data->regs->int_ctrl1, value: ret); |
675 | if (ret < 0) { |
676 | dev_err(&data->client->dev, "Error writing reg_int_ctrl1\n" ); |
677 | return ret; |
678 | } |
679 | |
680 | ret = i2c_smbus_read_byte_data(client: data->client, command: data->regs->ctrl1); |
681 | if (ret < 0) { |
682 | dev_err(&data->client->dev, "Error reading reg_ctrl1\n" ); |
683 | return ret; |
684 | } |
685 | |
686 | if (status) |
687 | ret |= KXCJK1013_REG_CTRL1_BIT_WUFE; |
688 | else |
689 | ret &= ~KXCJK1013_REG_CTRL1_BIT_WUFE; |
690 | |
691 | ret = i2c_smbus_write_byte_data(client: data->client, command: data->regs->ctrl1, value: ret); |
692 | if (ret < 0) { |
693 | dev_err(&data->client->dev, "Error writing reg_ctrl1\n" ); |
694 | return ret; |
695 | } |
696 | |
697 | if (store_mode == OPERATION) { |
698 | ret = kxcjk1013_set_mode(data, mode: OPERATION); |
699 | if (ret < 0) |
700 | return ret; |
701 | } |
702 | |
703 | return 0; |
704 | } |
705 | |
706 | static int kxcjk1013_setup_new_data_interrupt(struct kxcjk1013_data *data, |
707 | bool status) |
708 | { |
709 | int ret; |
710 | enum kxcjk1013_mode store_mode; |
711 | |
712 | ret = kxcjk1013_get_mode(data, mode: &store_mode); |
713 | if (ret < 0) |
714 | return ret; |
715 | |
716 | /* This is requirement by spec to change state to STANDBY */ |
717 | ret = kxcjk1013_set_mode(data, mode: STANDBY); |
718 | if (ret < 0) |
719 | return ret; |
720 | |
721 | ret = i2c_smbus_read_byte_data(client: data->client, command: data->regs->int_ctrl1); |
722 | if (ret < 0) { |
723 | dev_err(&data->client->dev, "Error reading reg_int_ctrl1\n" ); |
724 | return ret; |
725 | } |
726 | |
727 | if (status) |
728 | ret |= KXCJK1013_REG_INT_CTRL1_BIT_IEN; |
729 | else |
730 | ret &= ~KXCJK1013_REG_INT_CTRL1_BIT_IEN; |
731 | |
732 | ret = i2c_smbus_write_byte_data(client: data->client, command: data->regs->int_ctrl1, value: ret); |
733 | if (ret < 0) { |
734 | dev_err(&data->client->dev, "Error writing reg_int_ctrl1\n" ); |
735 | return ret; |
736 | } |
737 | |
738 | ret = i2c_smbus_read_byte_data(client: data->client, command: data->regs->ctrl1); |
739 | if (ret < 0) { |
740 | dev_err(&data->client->dev, "Error reading reg_ctrl1\n" ); |
741 | return ret; |
742 | } |
743 | |
744 | if (status) |
745 | ret |= KXCJK1013_REG_CTRL1_BIT_DRDY; |
746 | else |
747 | ret &= ~KXCJK1013_REG_CTRL1_BIT_DRDY; |
748 | |
749 | ret = i2c_smbus_write_byte_data(client: data->client, command: data->regs->ctrl1, value: ret); |
750 | if (ret < 0) { |
751 | dev_err(&data->client->dev, "Error writing reg_ctrl1\n" ); |
752 | return ret; |
753 | } |
754 | |
755 | if (store_mode == OPERATION) { |
756 | ret = kxcjk1013_set_mode(data, mode: OPERATION); |
757 | if (ret < 0) |
758 | return ret; |
759 | } |
760 | |
761 | return 0; |
762 | } |
763 | |
764 | static const struct kx_odr_map *kxcjk1013_find_odr_value( |
765 | const struct kx_odr_map *map, size_t map_size, int val, int val2) |
766 | { |
767 | int i; |
768 | |
769 | for (i = 0; i < map_size; ++i) { |
770 | if (map[i].val == val && map[i].val2 == val2) |
771 | return &map[i]; |
772 | } |
773 | |
774 | return ERR_PTR(error: -EINVAL); |
775 | } |
776 | |
777 | static int kxcjk1013_convert_odr_value(const struct kx_odr_map *map, |
778 | size_t map_size, int odr_bits, |
779 | int *val, int *val2) |
780 | { |
781 | int i; |
782 | |
783 | for (i = 0; i < map_size; ++i) { |
784 | if (map[i].odr_bits == odr_bits) { |
785 | *val = map[i].val; |
786 | *val2 = map[i].val2; |
787 | return IIO_VAL_INT_PLUS_MICRO; |
788 | } |
789 | } |
790 | |
791 | return -EINVAL; |
792 | } |
793 | |
794 | static int kxcjk1013_set_odr(struct kxcjk1013_data *data, int val, int val2) |
795 | { |
796 | int ret; |
797 | enum kxcjk1013_mode store_mode; |
798 | const struct kx_odr_map *odr_setting; |
799 | |
800 | ret = kxcjk1013_get_mode(data, mode: &store_mode); |
801 | if (ret < 0) |
802 | return ret; |
803 | |
804 | if (data->chipset == KXTF9) |
805 | odr_setting = kxcjk1013_find_odr_value(map: kxtf9_samp_freq_table, |
806 | ARRAY_SIZE(kxtf9_samp_freq_table), |
807 | val, val2); |
808 | else |
809 | odr_setting = kxcjk1013_find_odr_value(map: samp_freq_table, |
810 | ARRAY_SIZE(samp_freq_table), |
811 | val, val2); |
812 | |
813 | if (IS_ERR(ptr: odr_setting)) |
814 | return PTR_ERR(ptr: odr_setting); |
815 | |
816 | /* To change ODR, the chip must be set to STANDBY as per spec */ |
817 | ret = kxcjk1013_set_mode(data, mode: STANDBY); |
818 | if (ret < 0) |
819 | return ret; |
820 | |
821 | ret = i2c_smbus_write_byte_data(client: data->client, command: data->regs->data_ctrl, |
822 | value: odr_setting->odr_bits); |
823 | if (ret < 0) { |
824 | dev_err(&data->client->dev, "Error writing data_ctrl\n" ); |
825 | return ret; |
826 | } |
827 | |
828 | data->odr_bits = odr_setting->odr_bits; |
829 | |
830 | ret = i2c_smbus_write_byte_data(client: data->client, command: data->regs->wuf_ctrl, |
831 | value: odr_setting->wuf_bits); |
832 | if (ret < 0) { |
833 | dev_err(&data->client->dev, "Error writing reg_ctrl2\n" ); |
834 | return ret; |
835 | } |
836 | |
837 | if (store_mode == OPERATION) { |
838 | ret = kxcjk1013_set_mode(data, mode: OPERATION); |
839 | if (ret < 0) |
840 | return ret; |
841 | } |
842 | |
843 | return 0; |
844 | } |
845 | |
846 | static int kxcjk1013_get_odr(struct kxcjk1013_data *data, int *val, int *val2) |
847 | { |
848 | if (data->chipset == KXTF9) |
849 | return kxcjk1013_convert_odr_value(map: kxtf9_samp_freq_table, |
850 | ARRAY_SIZE(kxtf9_samp_freq_table), |
851 | odr_bits: data->odr_bits, val, val2); |
852 | else |
853 | return kxcjk1013_convert_odr_value(map: samp_freq_table, |
854 | ARRAY_SIZE(samp_freq_table), |
855 | odr_bits: data->odr_bits, val, val2); |
856 | } |
857 | |
858 | static int kxcjk1013_get_acc_reg(struct kxcjk1013_data *data, int axis) |
859 | { |
860 | u8 reg = KXCJK1013_REG_XOUT_L + axis * 2; |
861 | int ret; |
862 | |
863 | ret = i2c_smbus_read_word_data(client: data->client, command: reg); |
864 | if (ret < 0) { |
865 | dev_err(&data->client->dev, |
866 | "failed to read accel_%c registers\n" , 'x' + axis); |
867 | return ret; |
868 | } |
869 | |
870 | return ret; |
871 | } |
872 | |
873 | static int kxcjk1013_set_scale(struct kxcjk1013_data *data, int val) |
874 | { |
875 | int ret, i; |
876 | enum kxcjk1013_mode store_mode; |
877 | |
878 | for (i = 0; i < ARRAY_SIZE(KXCJK1013_scale_table); ++i) { |
879 | if (KXCJK1013_scale_table[i].scale == val) { |
880 | ret = kxcjk1013_get_mode(data, mode: &store_mode); |
881 | if (ret < 0) |
882 | return ret; |
883 | |
884 | ret = kxcjk1013_set_mode(data, mode: STANDBY); |
885 | if (ret < 0) |
886 | return ret; |
887 | |
888 | ret = kxcjk1013_set_range(data, range_index: i); |
889 | if (ret < 0) |
890 | return ret; |
891 | |
892 | if (store_mode == OPERATION) { |
893 | ret = kxcjk1013_set_mode(data, mode: OPERATION); |
894 | if (ret) |
895 | return ret; |
896 | } |
897 | |
898 | return 0; |
899 | } |
900 | } |
901 | |
902 | return -EINVAL; |
903 | } |
904 | |
905 | static int kxcjk1013_read_raw(struct iio_dev *indio_dev, |
906 | struct iio_chan_spec const *chan, int *val, |
907 | int *val2, long mask) |
908 | { |
909 | struct kxcjk1013_data *data = iio_priv(indio_dev); |
910 | int ret; |
911 | |
912 | switch (mask) { |
913 | case IIO_CHAN_INFO_RAW: |
914 | mutex_lock(&data->mutex); |
915 | if (iio_buffer_enabled(indio_dev)) |
916 | ret = -EBUSY; |
917 | else { |
918 | ret = kxcjk1013_set_power_state(data, on: true); |
919 | if (ret < 0) { |
920 | mutex_unlock(lock: &data->mutex); |
921 | return ret; |
922 | } |
923 | ret = kxcjk1013_get_acc_reg(data, axis: chan->scan_index); |
924 | if (ret < 0) { |
925 | kxcjk1013_set_power_state(data, on: false); |
926 | mutex_unlock(lock: &data->mutex); |
927 | return ret; |
928 | } |
929 | *val = sign_extend32(value: ret >> chan->scan_type.shift, |
930 | index: chan->scan_type.realbits - 1); |
931 | ret = kxcjk1013_set_power_state(data, on: false); |
932 | } |
933 | mutex_unlock(lock: &data->mutex); |
934 | |
935 | if (ret < 0) |
936 | return ret; |
937 | |
938 | return IIO_VAL_INT; |
939 | |
940 | case IIO_CHAN_INFO_SCALE: |
941 | *val = 0; |
942 | *val2 = KXCJK1013_scale_table[data->range].scale; |
943 | return IIO_VAL_INT_PLUS_MICRO; |
944 | |
945 | case IIO_CHAN_INFO_SAMP_FREQ: |
946 | mutex_lock(&data->mutex); |
947 | ret = kxcjk1013_get_odr(data, val, val2); |
948 | mutex_unlock(lock: &data->mutex); |
949 | return ret; |
950 | |
951 | default: |
952 | return -EINVAL; |
953 | } |
954 | } |
955 | |
956 | static int kxcjk1013_write_raw(struct iio_dev *indio_dev, |
957 | struct iio_chan_spec const *chan, int val, |
958 | int val2, long mask) |
959 | { |
960 | struct kxcjk1013_data *data = iio_priv(indio_dev); |
961 | int ret; |
962 | |
963 | switch (mask) { |
964 | case IIO_CHAN_INFO_SAMP_FREQ: |
965 | mutex_lock(&data->mutex); |
966 | ret = kxcjk1013_set_odr(data, val, val2); |
967 | mutex_unlock(lock: &data->mutex); |
968 | break; |
969 | case IIO_CHAN_INFO_SCALE: |
970 | if (val) |
971 | return -EINVAL; |
972 | |
973 | mutex_lock(&data->mutex); |
974 | ret = kxcjk1013_set_scale(data, val: val2); |
975 | mutex_unlock(lock: &data->mutex); |
976 | break; |
977 | default: |
978 | ret = -EINVAL; |
979 | } |
980 | |
981 | return ret; |
982 | } |
983 | |
984 | static int kxcjk1013_read_event(struct iio_dev *indio_dev, |
985 | const struct iio_chan_spec *chan, |
986 | enum iio_event_type type, |
987 | enum iio_event_direction dir, |
988 | enum iio_event_info info, |
989 | int *val, int *val2) |
990 | { |
991 | struct kxcjk1013_data *data = iio_priv(indio_dev); |
992 | |
993 | *val2 = 0; |
994 | switch (info) { |
995 | case IIO_EV_INFO_VALUE: |
996 | *val = data->wake_thres; |
997 | break; |
998 | case IIO_EV_INFO_PERIOD: |
999 | *val = data->wake_dur; |
1000 | break; |
1001 | default: |
1002 | return -EINVAL; |
1003 | } |
1004 | |
1005 | return IIO_VAL_INT; |
1006 | } |
1007 | |
1008 | static int kxcjk1013_write_event(struct iio_dev *indio_dev, |
1009 | const struct iio_chan_spec *chan, |
1010 | enum iio_event_type type, |
1011 | enum iio_event_direction dir, |
1012 | enum iio_event_info info, |
1013 | int val, int val2) |
1014 | { |
1015 | struct kxcjk1013_data *data = iio_priv(indio_dev); |
1016 | |
1017 | if (data->ev_enable_state) |
1018 | return -EBUSY; |
1019 | |
1020 | switch (info) { |
1021 | case IIO_EV_INFO_VALUE: |
1022 | data->wake_thres = val; |
1023 | break; |
1024 | case IIO_EV_INFO_PERIOD: |
1025 | data->wake_dur = val; |
1026 | break; |
1027 | default: |
1028 | return -EINVAL; |
1029 | } |
1030 | |
1031 | return 0; |
1032 | } |
1033 | |
1034 | static int kxcjk1013_read_event_config(struct iio_dev *indio_dev, |
1035 | const struct iio_chan_spec *chan, |
1036 | enum iio_event_type type, |
1037 | enum iio_event_direction dir) |
1038 | { |
1039 | struct kxcjk1013_data *data = iio_priv(indio_dev); |
1040 | |
1041 | return data->ev_enable_state; |
1042 | } |
1043 | |
1044 | static int kxcjk1013_write_event_config(struct iio_dev *indio_dev, |
1045 | const struct iio_chan_spec *chan, |
1046 | enum iio_event_type type, |
1047 | enum iio_event_direction dir, |
1048 | int state) |
1049 | { |
1050 | struct kxcjk1013_data *data = iio_priv(indio_dev); |
1051 | int ret; |
1052 | |
1053 | if (state && data->ev_enable_state) |
1054 | return 0; |
1055 | |
1056 | mutex_lock(&data->mutex); |
1057 | |
1058 | if (!state && data->motion_trigger_on) { |
1059 | data->ev_enable_state = 0; |
1060 | mutex_unlock(lock: &data->mutex); |
1061 | return 0; |
1062 | } |
1063 | |
1064 | /* |
1065 | * We will expect the enable and disable to do operation in |
1066 | * reverse order. This will happen here anyway as our |
1067 | * resume operation uses sync mode runtime pm calls, the |
1068 | * suspend operation will be delayed by autosuspend delay |
1069 | * So the disable operation will still happen in reverse of |
1070 | * enable operation. When runtime pm is disabled the mode |
1071 | * is always on so sequence doesn't matter |
1072 | */ |
1073 | ret = kxcjk1013_set_power_state(data, on: state); |
1074 | if (ret < 0) { |
1075 | mutex_unlock(lock: &data->mutex); |
1076 | return ret; |
1077 | } |
1078 | |
1079 | ret = kxcjk1013_setup_any_motion_interrupt(data, status: state); |
1080 | if (ret < 0) { |
1081 | kxcjk1013_set_power_state(data, on: false); |
1082 | data->ev_enable_state = 0; |
1083 | mutex_unlock(lock: &data->mutex); |
1084 | return ret; |
1085 | } |
1086 | |
1087 | data->ev_enable_state = state; |
1088 | mutex_unlock(lock: &data->mutex); |
1089 | |
1090 | return 0; |
1091 | } |
1092 | |
1093 | static int kxcjk1013_buffer_preenable(struct iio_dev *indio_dev) |
1094 | { |
1095 | struct kxcjk1013_data *data = iio_priv(indio_dev); |
1096 | |
1097 | return kxcjk1013_set_power_state(data, on: true); |
1098 | } |
1099 | |
1100 | static int kxcjk1013_buffer_postdisable(struct iio_dev *indio_dev) |
1101 | { |
1102 | struct kxcjk1013_data *data = iio_priv(indio_dev); |
1103 | |
1104 | return kxcjk1013_set_power_state(data, on: false); |
1105 | } |
1106 | |
1107 | static ssize_t kxcjk1013_get_samp_freq_avail(struct device *dev, |
1108 | struct device_attribute *attr, |
1109 | char *buf) |
1110 | { |
1111 | struct iio_dev *indio_dev = dev_to_iio_dev(dev); |
1112 | struct kxcjk1013_data *data = iio_priv(indio_dev); |
1113 | const char *str; |
1114 | |
1115 | if (data->chipset == KXTF9) |
1116 | str = kxtf9_samp_freq_avail; |
1117 | else |
1118 | str = kxcjk1013_samp_freq_avail; |
1119 | |
1120 | return sprintf(buf, fmt: "%s\n" , str); |
1121 | } |
1122 | |
1123 | static IIO_DEVICE_ATTR(in_accel_sampling_frequency_available, S_IRUGO, |
1124 | kxcjk1013_get_samp_freq_avail, NULL, 0); |
1125 | |
1126 | static IIO_CONST_ATTR(in_accel_scale_available, "0.009582 0.019163 0.038326" ); |
1127 | |
1128 | static struct attribute *kxcjk1013_attributes[] = { |
1129 | &iio_dev_attr_in_accel_sampling_frequency_available.dev_attr.attr, |
1130 | &iio_const_attr_in_accel_scale_available.dev_attr.attr, |
1131 | NULL, |
1132 | }; |
1133 | |
1134 | static const struct attribute_group kxcjk1013_attrs_group = { |
1135 | .attrs = kxcjk1013_attributes, |
1136 | }; |
1137 | |
1138 | static const struct iio_event_spec kxcjk1013_event = { |
1139 | .type = IIO_EV_TYPE_THRESH, |
1140 | .dir = IIO_EV_DIR_EITHER, |
1141 | .mask_separate = BIT(IIO_EV_INFO_VALUE) | |
1142 | BIT(IIO_EV_INFO_ENABLE) | |
1143 | BIT(IIO_EV_INFO_PERIOD) |
1144 | }; |
1145 | |
1146 | static const struct iio_mount_matrix * |
1147 | kxcjk1013_get_mount_matrix(const struct iio_dev *indio_dev, |
1148 | const struct iio_chan_spec *chan) |
1149 | { |
1150 | struct kxcjk1013_data *data = iio_priv(indio_dev); |
1151 | |
1152 | return &data->orientation; |
1153 | } |
1154 | |
1155 | static const struct iio_chan_spec_ext_info kxcjk1013_ext_info[] = { |
1156 | IIO_MOUNT_MATRIX(IIO_SHARED_BY_TYPE, kxcjk1013_get_mount_matrix), |
1157 | { } |
1158 | }; |
1159 | |
1160 | #define KXCJK1013_CHANNEL(_axis) { \ |
1161 | .type = IIO_ACCEL, \ |
1162 | .modified = 1, \ |
1163 | .channel2 = IIO_MOD_##_axis, \ |
1164 | .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ |
1165 | .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE) | \ |
1166 | BIT(IIO_CHAN_INFO_SAMP_FREQ), \ |
1167 | .scan_index = AXIS_##_axis, \ |
1168 | .scan_type = { \ |
1169 | .sign = 's', \ |
1170 | .realbits = 12, \ |
1171 | .storagebits = 16, \ |
1172 | .shift = 4, \ |
1173 | .endianness = IIO_LE, \ |
1174 | }, \ |
1175 | .event_spec = &kxcjk1013_event, \ |
1176 | .ext_info = kxcjk1013_ext_info, \ |
1177 | .num_event_specs = 1 \ |
1178 | } |
1179 | |
1180 | static const struct iio_chan_spec kxcjk1013_channels[] = { |
1181 | KXCJK1013_CHANNEL(X), |
1182 | KXCJK1013_CHANNEL(Y), |
1183 | KXCJK1013_CHANNEL(Z), |
1184 | IIO_CHAN_SOFT_TIMESTAMP(3), |
1185 | }; |
1186 | |
1187 | static const struct iio_buffer_setup_ops kxcjk1013_buffer_setup_ops = { |
1188 | .preenable = kxcjk1013_buffer_preenable, |
1189 | .postdisable = kxcjk1013_buffer_postdisable, |
1190 | }; |
1191 | |
1192 | static const struct iio_info kxcjk1013_info = { |
1193 | .attrs = &kxcjk1013_attrs_group, |
1194 | .read_raw = kxcjk1013_read_raw, |
1195 | .write_raw = kxcjk1013_write_raw, |
1196 | .read_event_value = kxcjk1013_read_event, |
1197 | .write_event_value = kxcjk1013_write_event, |
1198 | .write_event_config = kxcjk1013_write_event_config, |
1199 | .read_event_config = kxcjk1013_read_event_config, |
1200 | }; |
1201 | |
1202 | static const unsigned long kxcjk1013_scan_masks[] = {0x7, 0}; |
1203 | |
1204 | static irqreturn_t kxcjk1013_trigger_handler(int irq, void *p) |
1205 | { |
1206 | struct iio_poll_func *pf = p; |
1207 | struct iio_dev *indio_dev = pf->indio_dev; |
1208 | struct kxcjk1013_data *data = iio_priv(indio_dev); |
1209 | int ret; |
1210 | |
1211 | mutex_lock(&data->mutex); |
1212 | ret = i2c_smbus_read_i2c_block_data_or_emulated(client: data->client, |
1213 | KXCJK1013_REG_XOUT_L, |
1214 | length: AXIS_MAX * 2, |
1215 | values: (u8 *)data->scan.chans); |
1216 | mutex_unlock(lock: &data->mutex); |
1217 | if (ret < 0) |
1218 | goto err; |
1219 | |
1220 | iio_push_to_buffers_with_timestamp(indio_dev, data: &data->scan, |
1221 | timestamp: data->timestamp); |
1222 | err: |
1223 | iio_trigger_notify_done(trig: indio_dev->trig); |
1224 | |
1225 | return IRQ_HANDLED; |
1226 | } |
1227 | |
1228 | static void kxcjk1013_trig_reen(struct iio_trigger *trig) |
1229 | { |
1230 | struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig); |
1231 | struct kxcjk1013_data *data = iio_priv(indio_dev); |
1232 | int ret; |
1233 | |
1234 | ret = i2c_smbus_read_byte_data(client: data->client, command: data->regs->int_rel); |
1235 | if (ret < 0) |
1236 | dev_err(&data->client->dev, "Error reading reg_int_rel\n" ); |
1237 | } |
1238 | |
1239 | static int kxcjk1013_data_rdy_trigger_set_state(struct iio_trigger *trig, |
1240 | bool state) |
1241 | { |
1242 | struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig); |
1243 | struct kxcjk1013_data *data = iio_priv(indio_dev); |
1244 | int ret; |
1245 | |
1246 | mutex_lock(&data->mutex); |
1247 | |
1248 | if (!state && data->ev_enable_state && data->motion_trigger_on) { |
1249 | data->motion_trigger_on = false; |
1250 | mutex_unlock(lock: &data->mutex); |
1251 | return 0; |
1252 | } |
1253 | |
1254 | ret = kxcjk1013_set_power_state(data, on: state); |
1255 | if (ret < 0) { |
1256 | mutex_unlock(lock: &data->mutex); |
1257 | return ret; |
1258 | } |
1259 | if (data->motion_trig == trig) |
1260 | ret = kxcjk1013_setup_any_motion_interrupt(data, status: state); |
1261 | else |
1262 | ret = kxcjk1013_setup_new_data_interrupt(data, status: state); |
1263 | if (ret < 0) { |
1264 | kxcjk1013_set_power_state(data, on: false); |
1265 | mutex_unlock(lock: &data->mutex); |
1266 | return ret; |
1267 | } |
1268 | if (data->motion_trig == trig) |
1269 | data->motion_trigger_on = state; |
1270 | else |
1271 | data->dready_trigger_on = state; |
1272 | |
1273 | mutex_unlock(lock: &data->mutex); |
1274 | |
1275 | return 0; |
1276 | } |
1277 | |
1278 | static const struct iio_trigger_ops kxcjk1013_trigger_ops = { |
1279 | .set_trigger_state = kxcjk1013_data_rdy_trigger_set_state, |
1280 | .reenable = kxcjk1013_trig_reen, |
1281 | }; |
1282 | |
1283 | static void kxcjk1013_report_motion_event(struct iio_dev *indio_dev) |
1284 | { |
1285 | struct kxcjk1013_data *data = iio_priv(indio_dev); |
1286 | |
1287 | int ret = i2c_smbus_read_byte_data(client: data->client, command: data->regs->int_src2); |
1288 | if (ret < 0) { |
1289 | dev_err(&data->client->dev, "Error reading reg_int_src2\n" ); |
1290 | return; |
1291 | } |
1292 | |
1293 | if (ret & KXCJK1013_REG_INT_SRC2_BIT_XN) |
1294 | iio_push_event(indio_dev, |
1295 | IIO_MOD_EVENT_CODE(IIO_ACCEL, |
1296 | 0, |
1297 | IIO_MOD_X, |
1298 | IIO_EV_TYPE_THRESH, |
1299 | IIO_EV_DIR_FALLING), |
1300 | timestamp: data->timestamp); |
1301 | |
1302 | if (ret & KXCJK1013_REG_INT_SRC2_BIT_XP) |
1303 | iio_push_event(indio_dev, |
1304 | IIO_MOD_EVENT_CODE(IIO_ACCEL, |
1305 | 0, |
1306 | IIO_MOD_X, |
1307 | IIO_EV_TYPE_THRESH, |
1308 | IIO_EV_DIR_RISING), |
1309 | timestamp: data->timestamp); |
1310 | |
1311 | if (ret & KXCJK1013_REG_INT_SRC2_BIT_YN) |
1312 | iio_push_event(indio_dev, |
1313 | IIO_MOD_EVENT_CODE(IIO_ACCEL, |
1314 | 0, |
1315 | IIO_MOD_Y, |
1316 | IIO_EV_TYPE_THRESH, |
1317 | IIO_EV_DIR_FALLING), |
1318 | timestamp: data->timestamp); |
1319 | |
1320 | if (ret & KXCJK1013_REG_INT_SRC2_BIT_YP) |
1321 | iio_push_event(indio_dev, |
1322 | IIO_MOD_EVENT_CODE(IIO_ACCEL, |
1323 | 0, |
1324 | IIO_MOD_Y, |
1325 | IIO_EV_TYPE_THRESH, |
1326 | IIO_EV_DIR_RISING), |
1327 | timestamp: data->timestamp); |
1328 | |
1329 | if (ret & KXCJK1013_REG_INT_SRC2_BIT_ZN) |
1330 | iio_push_event(indio_dev, |
1331 | IIO_MOD_EVENT_CODE(IIO_ACCEL, |
1332 | 0, |
1333 | IIO_MOD_Z, |
1334 | IIO_EV_TYPE_THRESH, |
1335 | IIO_EV_DIR_FALLING), |
1336 | timestamp: data->timestamp); |
1337 | |
1338 | if (ret & KXCJK1013_REG_INT_SRC2_BIT_ZP) |
1339 | iio_push_event(indio_dev, |
1340 | IIO_MOD_EVENT_CODE(IIO_ACCEL, |
1341 | 0, |
1342 | IIO_MOD_Z, |
1343 | IIO_EV_TYPE_THRESH, |
1344 | IIO_EV_DIR_RISING), |
1345 | timestamp: data->timestamp); |
1346 | } |
1347 | |
1348 | static irqreturn_t kxcjk1013_event_handler(int irq, void *private) |
1349 | { |
1350 | struct iio_dev *indio_dev = private; |
1351 | struct kxcjk1013_data *data = iio_priv(indio_dev); |
1352 | int ret; |
1353 | |
1354 | ret = i2c_smbus_read_byte_data(client: data->client, command: data->regs->int_src1); |
1355 | if (ret < 0) { |
1356 | dev_err(&data->client->dev, "Error reading reg_int_src1\n" ); |
1357 | goto ack_intr; |
1358 | } |
1359 | |
1360 | if (ret & KXCJK1013_REG_INT_SRC1_BIT_WUFS) { |
1361 | if (data->chipset == KXTF9) |
1362 | iio_push_event(indio_dev, |
1363 | IIO_MOD_EVENT_CODE(IIO_ACCEL, |
1364 | 0, |
1365 | IIO_MOD_X_AND_Y_AND_Z, |
1366 | IIO_EV_TYPE_THRESH, |
1367 | IIO_EV_DIR_RISING), |
1368 | timestamp: data->timestamp); |
1369 | else |
1370 | kxcjk1013_report_motion_event(indio_dev); |
1371 | } |
1372 | |
1373 | ack_intr: |
1374 | if (data->dready_trigger_on) |
1375 | return IRQ_HANDLED; |
1376 | |
1377 | ret = i2c_smbus_read_byte_data(client: data->client, command: data->regs->int_rel); |
1378 | if (ret < 0) |
1379 | dev_err(&data->client->dev, "Error reading reg_int_rel\n" ); |
1380 | |
1381 | return IRQ_HANDLED; |
1382 | } |
1383 | |
1384 | static irqreturn_t kxcjk1013_data_rdy_trig_poll(int irq, void *private) |
1385 | { |
1386 | struct iio_dev *indio_dev = private; |
1387 | struct kxcjk1013_data *data = iio_priv(indio_dev); |
1388 | |
1389 | data->timestamp = iio_get_time_ns(indio_dev); |
1390 | |
1391 | if (data->dready_trigger_on) |
1392 | iio_trigger_poll(trig: data->dready_trig); |
1393 | else if (data->motion_trigger_on) |
1394 | iio_trigger_poll(trig: data->motion_trig); |
1395 | |
1396 | if (data->ev_enable_state) |
1397 | return IRQ_WAKE_THREAD; |
1398 | else |
1399 | return IRQ_HANDLED; |
1400 | } |
1401 | |
1402 | static const char *kxcjk1013_match_acpi_device(struct device *dev, |
1403 | enum kx_chipset *chipset, |
1404 | enum kx_acpi_type *acpi_type, |
1405 | const char **label) |
1406 | { |
1407 | const struct acpi_device_id *id; |
1408 | |
1409 | id = acpi_match_device(ids: dev->driver->acpi_match_table, dev); |
1410 | if (!id) |
1411 | return NULL; |
1412 | |
1413 | if (strcmp(id->id, "SMO8500" ) == 0) { |
1414 | *acpi_type = ACPI_SMO8500; |
1415 | } else if (strcmp(id->id, "KIOX010A" ) == 0) { |
1416 | *acpi_type = ACPI_KIOX010A; |
1417 | *label = "accel-display" ; |
1418 | } else if (strcmp(id->id, "KIOX020A" ) == 0) { |
1419 | *label = "accel-base" ; |
1420 | } |
1421 | |
1422 | *chipset = (enum kx_chipset)id->driver_data; |
1423 | |
1424 | return dev_name(dev); |
1425 | } |
1426 | |
1427 | static int kxcjk1013_probe(struct i2c_client *client) |
1428 | { |
1429 | const struct i2c_device_id *id = i2c_client_get_device_id(client); |
1430 | static const char * const regulator_names[] = { "vdd" , "vddio" }; |
1431 | struct kxcjk1013_data *data; |
1432 | struct iio_dev *indio_dev; |
1433 | struct kxcjk_1013_platform_data *pdata; |
1434 | const char *name; |
1435 | int ret; |
1436 | |
1437 | indio_dev = devm_iio_device_alloc(parent: &client->dev, sizeof_priv: sizeof(*data)); |
1438 | if (!indio_dev) |
1439 | return -ENOMEM; |
1440 | |
1441 | data = iio_priv(indio_dev); |
1442 | i2c_set_clientdata(client, data: indio_dev); |
1443 | data->client = client; |
1444 | |
1445 | pdata = dev_get_platdata(dev: &client->dev); |
1446 | if (pdata) { |
1447 | data->active_high_intr = pdata->active_high_intr; |
1448 | data->orientation = pdata->orientation; |
1449 | } else { |
1450 | data->active_high_intr = true; /* default polarity */ |
1451 | |
1452 | ret = iio_read_mount_matrix(dev: &client->dev, matrix: &data->orientation); |
1453 | if (ret) |
1454 | return ret; |
1455 | } |
1456 | |
1457 | ret = devm_regulator_bulk_get_enable(dev: &client->dev, |
1458 | ARRAY_SIZE(regulator_names), |
1459 | id: regulator_names); |
1460 | if (ret) |
1461 | return dev_err_probe(dev: &client->dev, err: ret, fmt: "Failed to get regulators\n" ); |
1462 | |
1463 | /* |
1464 | * A typical delay of 10ms is required for powering up |
1465 | * according to the data sheets of supported chips. |
1466 | * Hence double that to play safe. |
1467 | */ |
1468 | msleep(msecs: 20); |
1469 | |
1470 | if (id) { |
1471 | data->chipset = (enum kx_chipset)(id->driver_data); |
1472 | name = id->name; |
1473 | } else if (ACPI_HANDLE(&client->dev)) { |
1474 | name = kxcjk1013_match_acpi_device(dev: &client->dev, |
1475 | chipset: &data->chipset, |
1476 | acpi_type: &data->acpi_type, |
1477 | label: &indio_dev->label); |
1478 | } else |
1479 | return -ENODEV; |
1480 | |
1481 | switch (data->chipset) { |
1482 | case KXCJK1013: |
1483 | case KXCJ91008: |
1484 | case KXTJ21009: |
1485 | data->regs = &kxcjk1013_regs; |
1486 | break; |
1487 | case KXTF9: |
1488 | data->regs = &kxtf9_regs; |
1489 | break; |
1490 | case KX0231025: |
1491 | data->regs = &kx0231025_regs; |
1492 | break; |
1493 | default: |
1494 | return -EINVAL; |
1495 | } |
1496 | |
1497 | ret = kxcjk1013_chip_init(data); |
1498 | if (ret < 0) |
1499 | return ret; |
1500 | |
1501 | mutex_init(&data->mutex); |
1502 | |
1503 | indio_dev->channels = kxcjk1013_channels; |
1504 | indio_dev->num_channels = ARRAY_SIZE(kxcjk1013_channels); |
1505 | indio_dev->available_scan_masks = kxcjk1013_scan_masks; |
1506 | indio_dev->name = name; |
1507 | indio_dev->modes = INDIO_DIRECT_MODE; |
1508 | indio_dev->info = &kxcjk1013_info; |
1509 | |
1510 | if (client->irq > 0 && data->acpi_type != ACPI_SMO8500) { |
1511 | ret = devm_request_threaded_irq(dev: &client->dev, irq: client->irq, |
1512 | handler: kxcjk1013_data_rdy_trig_poll, |
1513 | thread_fn: kxcjk1013_event_handler, |
1514 | IRQF_TRIGGER_RISING, |
1515 | KXCJK1013_IRQ_NAME, |
1516 | dev_id: indio_dev); |
1517 | if (ret) |
1518 | goto err_poweroff; |
1519 | |
1520 | data->dready_trig = devm_iio_trigger_alloc(&client->dev, |
1521 | "%s-dev%d" , |
1522 | indio_dev->name, |
1523 | iio_device_id(indio_dev)); |
1524 | if (!data->dready_trig) { |
1525 | ret = -ENOMEM; |
1526 | goto err_poweroff; |
1527 | } |
1528 | |
1529 | data->motion_trig = devm_iio_trigger_alloc(&client->dev, |
1530 | "%s-any-motion-dev%d" , |
1531 | indio_dev->name, |
1532 | iio_device_id(indio_dev)); |
1533 | if (!data->motion_trig) { |
1534 | ret = -ENOMEM; |
1535 | goto err_poweroff; |
1536 | } |
1537 | |
1538 | data->dready_trig->ops = &kxcjk1013_trigger_ops; |
1539 | iio_trigger_set_drvdata(trig: data->dready_trig, data: indio_dev); |
1540 | ret = iio_trigger_register(trig_info: data->dready_trig); |
1541 | if (ret) |
1542 | goto err_poweroff; |
1543 | |
1544 | indio_dev->trig = iio_trigger_get(trig: data->dready_trig); |
1545 | |
1546 | data->motion_trig->ops = &kxcjk1013_trigger_ops; |
1547 | iio_trigger_set_drvdata(trig: data->motion_trig, data: indio_dev); |
1548 | ret = iio_trigger_register(trig_info: data->motion_trig); |
1549 | if (ret) { |
1550 | data->motion_trig = NULL; |
1551 | goto err_trigger_unregister; |
1552 | } |
1553 | } |
1554 | |
1555 | ret = iio_triggered_buffer_setup(indio_dev, |
1556 | &iio_pollfunc_store_time, |
1557 | kxcjk1013_trigger_handler, |
1558 | &kxcjk1013_buffer_setup_ops); |
1559 | if (ret < 0) { |
1560 | dev_err(&client->dev, "iio triggered buffer setup failed\n" ); |
1561 | goto err_trigger_unregister; |
1562 | } |
1563 | |
1564 | ret = pm_runtime_set_active(dev: &client->dev); |
1565 | if (ret) |
1566 | goto err_buffer_cleanup; |
1567 | |
1568 | pm_runtime_enable(dev: &client->dev); |
1569 | pm_runtime_set_autosuspend_delay(dev: &client->dev, |
1570 | KXCJK1013_SLEEP_DELAY_MS); |
1571 | pm_runtime_use_autosuspend(dev: &client->dev); |
1572 | |
1573 | ret = iio_device_register(indio_dev); |
1574 | if (ret < 0) { |
1575 | dev_err(&client->dev, "unable to register iio device\n" ); |
1576 | goto err_pm_cleanup; |
1577 | } |
1578 | |
1579 | return 0; |
1580 | |
1581 | err_pm_cleanup: |
1582 | pm_runtime_dont_use_autosuspend(dev: &client->dev); |
1583 | pm_runtime_disable(dev: &client->dev); |
1584 | err_buffer_cleanup: |
1585 | iio_triggered_buffer_cleanup(indio_dev); |
1586 | err_trigger_unregister: |
1587 | if (data->dready_trig) |
1588 | iio_trigger_unregister(trig_info: data->dready_trig); |
1589 | if (data->motion_trig) |
1590 | iio_trigger_unregister(trig_info: data->motion_trig); |
1591 | err_poweroff: |
1592 | kxcjk1013_set_mode(data, mode: STANDBY); |
1593 | |
1594 | return ret; |
1595 | } |
1596 | |
1597 | static void kxcjk1013_remove(struct i2c_client *client) |
1598 | { |
1599 | struct iio_dev *indio_dev = i2c_get_clientdata(client); |
1600 | struct kxcjk1013_data *data = iio_priv(indio_dev); |
1601 | |
1602 | iio_device_unregister(indio_dev); |
1603 | |
1604 | pm_runtime_disable(dev: &client->dev); |
1605 | pm_runtime_set_suspended(dev: &client->dev); |
1606 | |
1607 | iio_triggered_buffer_cleanup(indio_dev); |
1608 | if (data->dready_trig) { |
1609 | iio_trigger_unregister(trig_info: data->dready_trig); |
1610 | iio_trigger_unregister(trig_info: data->motion_trig); |
1611 | } |
1612 | |
1613 | mutex_lock(&data->mutex); |
1614 | kxcjk1013_set_mode(data, mode: STANDBY); |
1615 | mutex_unlock(lock: &data->mutex); |
1616 | } |
1617 | |
1618 | #ifdef CONFIG_PM_SLEEP |
1619 | static int kxcjk1013_suspend(struct device *dev) |
1620 | { |
1621 | struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev)); |
1622 | struct kxcjk1013_data *data = iio_priv(indio_dev); |
1623 | int ret; |
1624 | |
1625 | mutex_lock(&data->mutex); |
1626 | ret = kxcjk1013_set_mode(data, mode: STANDBY); |
1627 | mutex_unlock(lock: &data->mutex); |
1628 | |
1629 | return ret; |
1630 | } |
1631 | |
1632 | static int kxcjk1013_resume(struct device *dev) |
1633 | { |
1634 | struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev)); |
1635 | struct kxcjk1013_data *data = iio_priv(indio_dev); |
1636 | int ret = 0; |
1637 | |
1638 | mutex_lock(&data->mutex); |
1639 | ret = kxcjk1013_set_mode(data, mode: OPERATION); |
1640 | if (ret == 0) |
1641 | ret = kxcjk1013_set_range(data, range_index: data->range); |
1642 | mutex_unlock(lock: &data->mutex); |
1643 | |
1644 | return ret; |
1645 | } |
1646 | #endif |
1647 | |
1648 | #ifdef CONFIG_PM |
1649 | static int kxcjk1013_runtime_suspend(struct device *dev) |
1650 | { |
1651 | struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev)); |
1652 | struct kxcjk1013_data *data = iio_priv(indio_dev); |
1653 | int ret; |
1654 | |
1655 | ret = kxcjk1013_set_mode(data, mode: STANDBY); |
1656 | if (ret < 0) { |
1657 | dev_err(&data->client->dev, "powering off device failed\n" ); |
1658 | return -EAGAIN; |
1659 | } |
1660 | return 0; |
1661 | } |
1662 | |
1663 | static int kxcjk1013_runtime_resume(struct device *dev) |
1664 | { |
1665 | struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev)); |
1666 | struct kxcjk1013_data *data = iio_priv(indio_dev); |
1667 | int ret; |
1668 | int sleep_val; |
1669 | |
1670 | ret = kxcjk1013_set_mode(data, mode: OPERATION); |
1671 | if (ret < 0) |
1672 | return ret; |
1673 | |
1674 | sleep_val = kxcjk1013_get_startup_times(data); |
1675 | if (sleep_val < 20000) |
1676 | usleep_range(min: sleep_val, max: 20000); |
1677 | else |
1678 | msleep_interruptible(msecs: sleep_val/1000); |
1679 | |
1680 | return 0; |
1681 | } |
1682 | #endif |
1683 | |
1684 | static const struct dev_pm_ops kxcjk1013_pm_ops = { |
1685 | SET_SYSTEM_SLEEP_PM_OPS(kxcjk1013_suspend, kxcjk1013_resume) |
1686 | SET_RUNTIME_PM_OPS(kxcjk1013_runtime_suspend, |
1687 | kxcjk1013_runtime_resume, NULL) |
1688 | }; |
1689 | |
1690 | static const struct acpi_device_id kx_acpi_match[] = { |
1691 | {"KXCJ1013" , KXCJK1013}, |
1692 | {"KXCJ1008" , KXCJ91008}, |
1693 | {"KXCJ9000" , KXCJ91008}, |
1694 | {"KIOX0008" , KXCJ91008}, |
1695 | {"KIOX0009" , KXTJ21009}, |
1696 | {"KIOX000A" , KXCJ91008}, |
1697 | {"KIOX010A" , KXCJ91008}, /* KXCJ91008 in the display of a yoga 2-in-1 */ |
1698 | {"KIOX020A" , KXCJ91008}, /* KXCJ91008 in the base of a yoga 2-in-1 */ |
1699 | {"KXTJ1009" , KXTJ21009}, |
1700 | {"KXJ2109" , KXTJ21009}, |
1701 | {"SMO8500" , KXCJ91008}, |
1702 | { }, |
1703 | }; |
1704 | MODULE_DEVICE_TABLE(acpi, kx_acpi_match); |
1705 | |
1706 | static const struct i2c_device_id kxcjk1013_id[] = { |
1707 | {"kxcjk1013" , KXCJK1013}, |
1708 | {"kxcj91008" , KXCJ91008}, |
1709 | {"kxtj21009" , KXTJ21009}, |
1710 | {"kxtf9" , KXTF9}, |
1711 | {"kx023-1025" , KX0231025}, |
1712 | {"SMO8500" , KXCJ91008}, |
1713 | {} |
1714 | }; |
1715 | |
1716 | MODULE_DEVICE_TABLE(i2c, kxcjk1013_id); |
1717 | |
1718 | static const struct of_device_id kxcjk1013_of_match[] = { |
1719 | { .compatible = "kionix,kxcjk1013" , }, |
1720 | { .compatible = "kionix,kxcj91008" , }, |
1721 | { .compatible = "kionix,kxtj21009" , }, |
1722 | { .compatible = "kionix,kxtf9" , }, |
1723 | { .compatible = "kionix,kx023-1025" , }, |
1724 | { } |
1725 | }; |
1726 | MODULE_DEVICE_TABLE(of, kxcjk1013_of_match); |
1727 | |
1728 | static struct i2c_driver kxcjk1013_driver = { |
1729 | .driver = { |
1730 | .name = KXCJK1013_DRV_NAME, |
1731 | .acpi_match_table = ACPI_PTR(kx_acpi_match), |
1732 | .of_match_table = kxcjk1013_of_match, |
1733 | .pm = &kxcjk1013_pm_ops, |
1734 | }, |
1735 | .probe = kxcjk1013_probe, |
1736 | .remove = kxcjk1013_remove, |
1737 | .id_table = kxcjk1013_id, |
1738 | }; |
1739 | module_i2c_driver(kxcjk1013_driver); |
1740 | |
1741 | MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>" ); |
1742 | MODULE_LICENSE("GPL v2" ); |
1743 | MODULE_DESCRIPTION("KXCJK1013 accelerometer driver" ); |
1744 | |