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aff268cd MR |
1 | /* |
2 | * apds9960.c - Support for Avago APDS9960 gesture/RGB/ALS/proximity sensor | |
3 | * | |
4 | * Copyright (C) 2015 Matt Ranostay <mranostay@gmail.com> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * TODO: gesture + proximity calib offsets | |
17 | */ | |
18 | ||
19 | #include <linux/module.h> | |
20 | #include <linux/init.h> | |
21 | #include <linux/interrupt.h> | |
22 | #include <linux/delay.h> | |
23 | #include <linux/mutex.h> | |
24 | #include <linux/err.h> | |
25 | #include <linux/irq.h> | |
26 | #include <linux/gpio.h> | |
27 | #include <linux/i2c.h> | |
28 | #include <linux/pm_runtime.h> | |
29 | #include <linux/regmap.h> | |
30 | #include <linux/iio/iio.h> | |
31 | #include <linux/iio/buffer.h> | |
32 | #include <linux/iio/events.h> | |
33 | #include <linux/iio/kfifo_buf.h> | |
34 | #include <linux/iio/sysfs.h> | |
35 | #include <linux/of_gpio.h> | |
36 | ||
37 | #define APDS9960_REGMAP_NAME "apds9960_regmap" | |
38 | #define APDS9960_DRV_NAME "apds9960" | |
39 | ||
40 | #define APDS9960_REG_RAM_START 0x00 | |
41 | #define APDS9960_REG_RAM_END 0x7f | |
42 | ||
43 | #define APDS9960_REG_ENABLE 0x80 | |
44 | #define APDS9960_REG_ATIME 0x81 | |
45 | #define APDS9960_REG_WTIME 0x83 | |
46 | ||
47 | #define APDS9960_REG_AILTL 0x84 | |
48 | #define APDS9960_REG_AILTH 0x85 | |
49 | #define APDS9960_REG_AIHTL 0x86 | |
50 | #define APDS9960_REG_AIHTH 0x87 | |
51 | ||
52 | #define APDS9960_REG_PILT 0x89 | |
53 | #define APDS9960_REG_PIHT 0x8b | |
54 | #define APDS9960_REG_PERS 0x8c | |
55 | ||
56 | #define APDS9960_REG_CONFIG_1 0x8d | |
57 | #define APDS9960_REG_PPULSE 0x8e | |
58 | ||
59 | #define APDS9960_REG_CONTROL 0x8f | |
60 | #define APDS9960_REG_CONTROL_AGAIN_MASK 0x03 | |
61 | #define APDS9960_REG_CONTROL_PGAIN_MASK 0x0c | |
62 | #define APDS9960_REG_CONTROL_AGAIN_MASK_SHIFT 0 | |
63 | #define APDS9960_REG_CONTROL_PGAIN_MASK_SHIFT 2 | |
64 | ||
65 | #define APDS9960_REG_CONFIG_2 0x90 | |
66 | #define APDS9960_REG_CONFIG_2_GGAIN_MASK 0x60 | |
67 | #define APDS9960_REG_CONFIG_2_GGAIN_MASK_SHIFT 5 | |
68 | ||
69 | #define APDS9960_REG_ID 0x92 | |
70 | ||
71 | #define APDS9960_REG_STATUS 0x93 | |
72 | #define APDS9960_REG_STATUS_PS_INT BIT(5) | |
73 | #define APDS9960_REG_STATUS_ALS_INT BIT(4) | |
74 | #define APDS9960_REG_STATUS_GINT BIT(2) | |
75 | ||
76 | #define APDS9960_REG_PDATA 0x9c | |
77 | #define APDS9960_REG_POFFSET_UR 0x9d | |
78 | #define APDS9960_REG_POFFSET_DL 0x9e | |
79 | #define APDS9960_REG_CONFIG_3 0x9f | |
80 | ||
81 | #define APDS9960_REG_GPENTH 0xa0 | |
82 | #define APDS9960_REG_GEXTH 0xa1 | |
83 | ||
84 | #define APDS9960_REG_GCONF_1 0xa2 | |
85 | #define APDS9960_REG_GCONF_1_GFIFO_THRES_MASK 0xc0 | |
86 | #define APDS9960_REG_GCONF_1_GFIFO_THRES_MASK_SHIFT 6 | |
87 | ||
88 | #define APDS9960_REG_GCONF_2 0xa3 | |
89 | #define APDS9960_REG_GOFFSET_U 0xa4 | |
90 | #define APDS9960_REG_GOFFSET_D 0xa5 | |
91 | #define APDS9960_REG_GPULSE 0xa6 | |
92 | #define APDS9960_REG_GOFFSET_L 0xa7 | |
93 | #define APDS9960_REG_GOFFSET_R 0xa9 | |
94 | #define APDS9960_REG_GCONF_3 0xaa | |
95 | ||
96 | #define APDS9960_REG_GCONF_4 0xab | |
97 | #define APDS9960_REG_GFLVL 0xae | |
98 | #define APDS9960_REG_GSTATUS 0xaf | |
99 | ||
100 | #define APDS9960_REG_IFORCE 0xe4 | |
101 | #define APDS9960_REG_PICLEAR 0xe5 | |
102 | #define APDS9960_REG_CICLEAR 0xe6 | |
103 | #define APDS9960_REG_AICLEAR 0xe7 | |
104 | ||
105 | #define APDS9960_DEFAULT_PERS 0x33 | |
106 | #define APDS9960_DEFAULT_GPENTH 0x50 | |
107 | #define APDS9960_DEFAULT_GEXTH 0x40 | |
108 | ||
109 | #define APDS9960_MAX_PXS_THRES_VAL 255 | |
110 | #define APDS9960_MAX_ALS_THRES_VAL 0xffff | |
111 | #define APDS9960_MAX_INT_TIME_IN_US 1000000 | |
112 | ||
113 | enum apds9960_als_channel_idx { | |
114 | IDX_ALS_CLEAR, IDX_ALS_RED, IDX_ALS_GREEN, IDX_ALS_BLUE, | |
115 | }; | |
116 | ||
117 | #define APDS9960_REG_ALS_BASE 0x94 | |
118 | #define APDS9960_REG_ALS_CHANNEL(_colour) \ | |
119 | (APDS9960_REG_ALS_BASE + (IDX_ALS_##_colour * 2)) | |
120 | ||
121 | enum apds9960_gesture_channel_idx { | |
122 | IDX_DIR_UP, IDX_DIR_DOWN, IDX_DIR_LEFT, IDX_DIR_RIGHT, | |
123 | }; | |
124 | ||
125 | #define APDS9960_REG_GFIFO_BASE 0xfc | |
126 | #define APDS9960_REG_GFIFO_DIR(_dir) \ | |
127 | (APDS9960_REG_GFIFO_BASE + IDX_DIR_##_dir) | |
128 | ||
129 | struct apds9960_data { | |
130 | struct i2c_client *client; | |
131 | struct iio_dev *indio_dev; | |
132 | struct mutex lock; | |
133 | ||
134 | /* regmap fields */ | |
135 | struct regmap *regmap; | |
136 | struct regmap_field *reg_int_als; | |
137 | struct regmap_field *reg_int_ges; | |
138 | struct regmap_field *reg_int_pxs; | |
139 | ||
140 | struct regmap_field *reg_enable_als; | |
141 | struct regmap_field *reg_enable_ges; | |
142 | struct regmap_field *reg_enable_pxs; | |
143 | ||
144 | /* state */ | |
145 | int als_int; | |
146 | int pxs_int; | |
147 | int gesture_mode_running; | |
148 | ||
149 | /* gain values */ | |
150 | int als_gain; | |
151 | int pxs_gain; | |
152 | ||
153 | /* integration time value in us */ | |
154 | int als_adc_int_us; | |
155 | ||
156 | /* gesture buffer */ | |
157 | u8 buffer[4]; /* 4 8-bit channels */ | |
158 | }; | |
159 | ||
160 | static const struct reg_default apds9960_reg_defaults[] = { | |
161 | /* Default ALS integration time = 2.48ms */ | |
162 | { APDS9960_REG_ATIME, 0xff }, | |
163 | }; | |
164 | ||
165 | static const struct regmap_range apds9960_volatile_ranges[] = { | |
166 | regmap_reg_range(APDS9960_REG_STATUS, | |
167 | APDS9960_REG_PDATA), | |
168 | regmap_reg_range(APDS9960_REG_GFLVL, | |
169 | APDS9960_REG_GSTATUS), | |
170 | regmap_reg_range(APDS9960_REG_GFIFO_DIR(UP), | |
171 | APDS9960_REG_GFIFO_DIR(RIGHT)), | |
172 | regmap_reg_range(APDS9960_REG_IFORCE, | |
173 | APDS9960_REG_AICLEAR), | |
174 | }; | |
175 | ||
176 | static const struct regmap_access_table apds9960_volatile_table = { | |
177 | .yes_ranges = apds9960_volatile_ranges, | |
178 | .n_yes_ranges = ARRAY_SIZE(apds9960_volatile_ranges), | |
179 | }; | |
180 | ||
181 | static const struct regmap_range apds9960_precious_ranges[] = { | |
182 | regmap_reg_range(APDS9960_REG_RAM_START, APDS9960_REG_RAM_END), | |
183 | }; | |
184 | ||
185 | static const struct regmap_access_table apds9960_precious_table = { | |
186 | .yes_ranges = apds9960_precious_ranges, | |
187 | .n_yes_ranges = ARRAY_SIZE(apds9960_precious_ranges), | |
188 | }; | |
189 | ||
190 | static const struct regmap_range apds9960_readable_ranges[] = { | |
191 | regmap_reg_range(APDS9960_REG_ENABLE, | |
192 | APDS9960_REG_GSTATUS), | |
193 | regmap_reg_range(APDS9960_REG_GFIFO_DIR(UP), | |
194 | APDS9960_REG_GFIFO_DIR(RIGHT)), | |
195 | }; | |
196 | ||
197 | static const struct regmap_access_table apds9960_readable_table = { | |
198 | .yes_ranges = apds9960_readable_ranges, | |
199 | .n_yes_ranges = ARRAY_SIZE(apds9960_readable_ranges), | |
200 | }; | |
201 | ||
202 | static const struct regmap_range apds9960_writeable_ranges[] = { | |
203 | regmap_reg_range(APDS9960_REG_ENABLE, APDS9960_REG_CONFIG_2), | |
204 | regmap_reg_range(APDS9960_REG_POFFSET_UR, APDS9960_REG_GCONF_4), | |
205 | regmap_reg_range(APDS9960_REG_IFORCE, APDS9960_REG_AICLEAR), | |
206 | }; | |
207 | ||
208 | static const struct regmap_access_table apds9960_writeable_table = { | |
209 | .yes_ranges = apds9960_writeable_ranges, | |
210 | .n_yes_ranges = ARRAY_SIZE(apds9960_writeable_ranges), | |
211 | }; | |
212 | ||
213 | static const struct regmap_config apds9960_regmap_config = { | |
214 | .name = APDS9960_REGMAP_NAME, | |
215 | .reg_bits = 8, | |
216 | .val_bits = 8, | |
217 | .use_single_rw = 1, | |
218 | ||
219 | .volatile_table = &apds9960_volatile_table, | |
220 | .precious_table = &apds9960_precious_table, | |
221 | .rd_table = &apds9960_readable_table, | |
222 | .wr_table = &apds9960_writeable_table, | |
223 | ||
224 | .reg_defaults = apds9960_reg_defaults, | |
225 | .num_reg_defaults = ARRAY_SIZE(apds9960_reg_defaults), | |
226 | .max_register = APDS9960_REG_GFIFO_DIR(RIGHT), | |
227 | .cache_type = REGCACHE_RBTREE, | |
228 | }; | |
229 | ||
230 | static const struct iio_event_spec apds9960_pxs_event_spec[] = { | |
231 | { | |
232 | .type = IIO_EV_TYPE_THRESH, | |
233 | .dir = IIO_EV_DIR_RISING, | |
234 | .mask_separate = BIT(IIO_EV_INFO_VALUE) | | |
235 | BIT(IIO_EV_INFO_ENABLE), | |
236 | }, | |
237 | { | |
238 | .type = IIO_EV_TYPE_THRESH, | |
239 | .dir = IIO_EV_DIR_FALLING, | |
240 | .mask_separate = BIT(IIO_EV_INFO_VALUE) | | |
241 | BIT(IIO_EV_INFO_ENABLE), | |
242 | }, | |
243 | }; | |
244 | ||
245 | static const struct iio_event_spec apds9960_als_event_spec[] = { | |
246 | { | |
247 | .type = IIO_EV_TYPE_THRESH, | |
248 | .dir = IIO_EV_DIR_RISING, | |
249 | .mask_separate = BIT(IIO_EV_INFO_VALUE) | | |
250 | BIT(IIO_EV_INFO_ENABLE), | |
251 | }, | |
252 | { | |
253 | .type = IIO_EV_TYPE_THRESH, | |
254 | .dir = IIO_EV_DIR_FALLING, | |
255 | .mask_separate = BIT(IIO_EV_INFO_VALUE) | | |
256 | BIT(IIO_EV_INFO_ENABLE), | |
257 | }, | |
258 | }; | |
259 | ||
260 | #define APDS9960_GESTURE_CHANNEL(_dir, _si) { \ | |
261 | .type = IIO_PROXIMITY, \ | |
262 | .channel = _si + 1, \ | |
263 | .scan_index = _si, \ | |
264 | .indexed = 1, \ | |
265 | .scan_type = { \ | |
266 | .sign = 'u', \ | |
267 | .realbits = 8, \ | |
268 | .storagebits = 8, \ | |
269 | }, \ | |
270 | } | |
271 | ||
272 | #define APDS9960_INTENSITY_CHANNEL(_colour) { \ | |
273 | .type = IIO_INTENSITY, \ | |
274 | .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ | |
275 | .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE) | \ | |
276 | BIT(IIO_CHAN_INFO_INT_TIME), \ | |
277 | .channel2 = IIO_MOD_LIGHT_##_colour, \ | |
278 | .address = APDS9960_REG_ALS_CHANNEL(_colour), \ | |
279 | .modified = 1, \ | |
280 | .scan_index = -1, \ | |
281 | } | |
282 | ||
283 | static const unsigned long apds9960_scan_masks[] = {0xf, 0}; | |
284 | ||
285 | static const struct iio_chan_spec apds9960_channels[] = { | |
286 | { | |
287 | .type = IIO_PROXIMITY, | |
288 | .address = APDS9960_REG_PDATA, | |
289 | .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), | |
290 | .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), | |
291 | .channel = 0, | |
292 | .indexed = 0, | |
293 | .scan_index = -1, | |
294 | ||
295 | .event_spec = apds9960_pxs_event_spec, | |
296 | .num_event_specs = ARRAY_SIZE(apds9960_pxs_event_spec), | |
297 | }, | |
298 | /* Gesture Sensor */ | |
299 | APDS9960_GESTURE_CHANNEL(UP, 0), | |
300 | APDS9960_GESTURE_CHANNEL(DOWN, 1), | |
301 | APDS9960_GESTURE_CHANNEL(LEFT, 2), | |
302 | APDS9960_GESTURE_CHANNEL(RIGHT, 3), | |
303 | /* ALS */ | |
304 | { | |
305 | .type = IIO_INTENSITY, | |
306 | .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), | |
307 | .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE) | | |
308 | BIT(IIO_CHAN_INFO_INT_TIME), | |
309 | .channel2 = IIO_MOD_LIGHT_CLEAR, | |
310 | .address = APDS9960_REG_ALS_CHANNEL(CLEAR), | |
311 | .modified = 1, | |
312 | .scan_index = -1, | |
313 | ||
314 | .event_spec = apds9960_als_event_spec, | |
315 | .num_event_specs = ARRAY_SIZE(apds9960_als_event_spec), | |
316 | }, | |
317 | /* RGB Sensor */ | |
318 | APDS9960_INTENSITY_CHANNEL(RED), | |
319 | APDS9960_INTENSITY_CHANNEL(GREEN), | |
320 | APDS9960_INTENSITY_CHANNEL(BLUE), | |
321 | }; | |
322 | ||
323 | /* integration time in us */ | |
324 | static const int apds9960_int_time[][2] = | |
325 | { {28000, 246}, {100000, 219}, {200000, 182}, {700000, 0} }; | |
326 | ||
327 | /* gain mapping */ | |
328 | static const int apds9960_pxs_gain_map[] = {1, 2, 4, 8}; | |
329 | static const int apds9960_als_gain_map[] = {1, 4, 16, 64}; | |
330 | ||
331 | static IIO_CONST_ATTR(proximity_scale_available, "1 2 4 8"); | |
332 | static IIO_CONST_ATTR(intensity_scale_available, "1 4 16 64"); | |
333 | static IIO_CONST_ATTR_INT_TIME_AVAIL("0.028 0.1 0.2 0.7"); | |
334 | ||
335 | static struct attribute *apds9960_attributes[] = { | |
336 | &iio_const_attr_proximity_scale_available.dev_attr.attr, | |
337 | &iio_const_attr_intensity_scale_available.dev_attr.attr, | |
338 | &iio_const_attr_integration_time_available.dev_attr.attr, | |
339 | NULL, | |
340 | }; | |
341 | ||
342 | static struct attribute_group apds9960_attribute_group = { | |
343 | .attrs = apds9960_attributes, | |
344 | }; | |
345 | ||
346 | static const struct reg_field apds9960_reg_field_int_als = | |
347 | REG_FIELD(APDS9960_REG_ENABLE, 4, 4); | |
348 | ||
349 | static const struct reg_field apds9960_reg_field_int_ges = | |
350 | REG_FIELD(APDS9960_REG_GCONF_4, 1, 1); | |
351 | ||
352 | static const struct reg_field apds9960_reg_field_int_pxs = | |
353 | REG_FIELD(APDS9960_REG_ENABLE, 5, 5); | |
354 | ||
355 | static const struct reg_field apds9960_reg_field_enable_als = | |
356 | REG_FIELD(APDS9960_REG_ENABLE, 1, 1); | |
357 | ||
358 | static const struct reg_field apds9960_reg_field_enable_ges = | |
359 | REG_FIELD(APDS9960_REG_ENABLE, 6, 6); | |
360 | ||
361 | static const struct reg_field apds9960_reg_field_enable_pxs = | |
362 | REG_FIELD(APDS9960_REG_ENABLE, 2, 2); | |
363 | ||
364 | static int apds9960_set_it_time(struct apds9960_data *data, int val2) | |
365 | { | |
366 | int ret = -EINVAL; | |
367 | int idx; | |
368 | ||
369 | for (idx = 0; idx < ARRAY_SIZE(apds9960_int_time); idx++) { | |
370 | if (apds9960_int_time[idx][0] == val2) { | |
371 | mutex_lock(&data->lock); | |
372 | ret = regmap_write(data->regmap, APDS9960_REG_ATIME, | |
373 | apds9960_int_time[idx][1]); | |
374 | if (!ret) | |
375 | data->als_adc_int_us = val2; | |
376 | mutex_unlock(&data->lock); | |
377 | break; | |
378 | } | |
379 | } | |
380 | ||
381 | return ret; | |
382 | } | |
383 | ||
384 | static int apds9960_set_pxs_gain(struct apds9960_data *data, int val) | |
385 | { | |
386 | int ret = -EINVAL; | |
387 | int idx; | |
388 | ||
389 | for (idx = 0; idx < ARRAY_SIZE(apds9960_pxs_gain_map); idx++) { | |
390 | if (apds9960_pxs_gain_map[idx] == val) { | |
391 | /* pxs + gesture gains are mirrored */ | |
392 | mutex_lock(&data->lock); | |
393 | ret = regmap_update_bits(data->regmap, | |
394 | APDS9960_REG_CONTROL, | |
395 | APDS9960_REG_CONTROL_PGAIN_MASK, | |
396 | idx << APDS9960_REG_CONTROL_PGAIN_MASK_SHIFT); | |
397 | if (ret) { | |
398 | mutex_unlock(&data->lock); | |
399 | break; | |
400 | } | |
401 | ||
402 | ret = regmap_update_bits(data->regmap, | |
403 | APDS9960_REG_CONFIG_2, | |
404 | APDS9960_REG_CONFIG_2_GGAIN_MASK, | |
405 | idx << APDS9960_REG_CONFIG_2_GGAIN_MASK_SHIFT); | |
406 | if (!ret) | |
407 | data->pxs_gain = idx; | |
408 | mutex_unlock(&data->lock); | |
409 | break; | |
410 | } | |
411 | } | |
412 | ||
413 | return ret; | |
414 | } | |
415 | ||
416 | static int apds9960_set_als_gain(struct apds9960_data *data, int val) | |
417 | { | |
418 | int ret = -EINVAL; | |
419 | int idx; | |
420 | ||
421 | for (idx = 0; idx < ARRAY_SIZE(apds9960_als_gain_map); idx++) { | |
422 | if (apds9960_als_gain_map[idx] == val) { | |
423 | mutex_lock(&data->lock); | |
424 | ret = regmap_update_bits(data->regmap, | |
425 | APDS9960_REG_CONTROL, | |
426 | APDS9960_REG_CONTROL_AGAIN_MASK, idx); | |
427 | if (!ret) | |
428 | data->als_gain = idx; | |
429 | mutex_unlock(&data->lock); | |
430 | break; | |
431 | } | |
432 | } | |
433 | ||
434 | return ret; | |
435 | } | |
436 | ||
437 | #ifdef CONFIG_PM | |
438 | static int apds9960_set_power_state(struct apds9960_data *data, bool on) | |
439 | { | |
440 | struct device *dev = &data->client->dev; | |
441 | int ret = 0; | |
442 | ||
443 | mutex_lock(&data->lock); | |
444 | ||
445 | if (on) { | |
446 | int suspended; | |
447 | ||
448 | suspended = pm_runtime_suspended(dev); | |
449 | ret = pm_runtime_get_sync(dev); | |
450 | ||
451 | /* Allow one integration cycle before allowing a reading */ | |
452 | if (suspended) | |
453 | usleep_range(data->als_adc_int_us, | |
454 | APDS9960_MAX_INT_TIME_IN_US); | |
455 | } else { | |
8386c275 | 456 | pm_runtime_mark_last_busy(dev); |
aff268cd MR |
457 | ret = pm_runtime_put_autosuspend(dev); |
458 | } | |
459 | ||
460 | mutex_unlock(&data->lock); | |
461 | ||
462 | return ret; | |
463 | } | |
464 | #else | |
465 | static int apds9960_set_power_state(struct apds9960_data *data, bool on) | |
466 | { | |
467 | return 0; | |
468 | } | |
469 | #endif | |
470 | ||
471 | static int apds9960_read_raw(struct iio_dev *indio_dev, | |
472 | struct iio_chan_spec const *chan, | |
473 | int *val, int *val2, long mask) | |
474 | { | |
475 | struct apds9960_data *data = iio_priv(indio_dev); | |
801ab335 | 476 | __le16 buf; |
aff268cd MR |
477 | int ret = -EINVAL; |
478 | ||
479 | if (data->gesture_mode_running) | |
480 | return -EBUSY; | |
481 | ||
482 | switch (mask) { | |
483 | case IIO_CHAN_INFO_RAW: | |
484 | apds9960_set_power_state(data, true); | |
485 | switch (chan->type) { | |
486 | case IIO_PROXIMITY: | |
487 | ret = regmap_read(data->regmap, chan->address, val); | |
488 | if (!ret) | |
489 | ret = IIO_VAL_INT; | |
490 | break; | |
491 | case IIO_INTENSITY: | |
492 | ret = regmap_bulk_read(data->regmap, chan->address, | |
493 | &buf, 2); | |
494 | if (!ret) | |
495 | ret = IIO_VAL_INT; | |
496 | *val = le16_to_cpu(buf); | |
497 | break; | |
498 | default: | |
499 | ret = -EINVAL; | |
500 | } | |
501 | apds9960_set_power_state(data, false); | |
502 | break; | |
503 | case IIO_CHAN_INFO_INT_TIME: | |
504 | /* RGB + ALS sensors only have integration time */ | |
505 | mutex_lock(&data->lock); | |
506 | switch (chan->type) { | |
507 | case IIO_INTENSITY: | |
508 | *val = 0; | |
509 | *val2 = data->als_adc_int_us; | |
510 | ret = IIO_VAL_INT_PLUS_MICRO; | |
511 | break; | |
512 | default: | |
513 | ret = -EINVAL; | |
514 | } | |
515 | mutex_unlock(&data->lock); | |
516 | break; | |
517 | case IIO_CHAN_INFO_SCALE: | |
518 | mutex_lock(&data->lock); | |
519 | switch (chan->type) { | |
520 | case IIO_PROXIMITY: | |
521 | *val = apds9960_pxs_gain_map[data->pxs_gain]; | |
522 | ret = IIO_VAL_INT; | |
523 | break; | |
524 | case IIO_INTENSITY: | |
525 | *val = apds9960_als_gain_map[data->als_gain]; | |
526 | ret = IIO_VAL_INT; | |
527 | break; | |
528 | default: | |
529 | ret = -EINVAL; | |
530 | } | |
531 | mutex_unlock(&data->lock); | |
532 | break; | |
533 | } | |
534 | ||
535 | return ret; | |
536 | }; | |
537 | ||
538 | static int apds9960_write_raw(struct iio_dev *indio_dev, | |
539 | struct iio_chan_spec const *chan, | |
540 | int val, int val2, long mask) | |
541 | { | |
542 | struct apds9960_data *data = iio_priv(indio_dev); | |
543 | ||
544 | switch (mask) { | |
545 | case IIO_CHAN_INFO_INT_TIME: | |
546 | /* RGB + ALS sensors only have int time */ | |
547 | switch (chan->type) { | |
548 | case IIO_INTENSITY: | |
549 | if (val != 0) | |
550 | return -EINVAL; | |
551 | return apds9960_set_it_time(data, val2); | |
552 | default: | |
553 | return -EINVAL; | |
554 | } | |
555 | case IIO_CHAN_INFO_SCALE: | |
556 | if (val2 != 0) | |
557 | return -EINVAL; | |
558 | switch (chan->type) { | |
559 | case IIO_PROXIMITY: | |
560 | return apds9960_set_pxs_gain(data, val); | |
561 | case IIO_INTENSITY: | |
562 | return apds9960_set_als_gain(data, val); | |
563 | default: | |
564 | return -EINVAL; | |
565 | } | |
566 | default: | |
567 | return -EINVAL; | |
568 | }; | |
569 | ||
570 | return 0; | |
571 | } | |
572 | ||
573 | static inline int apds9960_get_thres_reg(const struct iio_chan_spec *chan, | |
574 | enum iio_event_direction dir, | |
575 | u8 *reg) | |
576 | { | |
577 | switch (dir) { | |
578 | case IIO_EV_DIR_RISING: | |
579 | switch (chan->type) { | |
580 | case IIO_PROXIMITY: | |
581 | *reg = APDS9960_REG_PIHT; | |
582 | break; | |
583 | case IIO_INTENSITY: | |
584 | *reg = APDS9960_REG_AIHTL; | |
585 | break; | |
586 | default: | |
587 | return -EINVAL; | |
588 | } | |
589 | break; | |
590 | case IIO_EV_DIR_FALLING: | |
591 | switch (chan->type) { | |
592 | case IIO_PROXIMITY: | |
593 | *reg = APDS9960_REG_PILT; | |
594 | break; | |
595 | case IIO_INTENSITY: | |
596 | *reg = APDS9960_REG_AILTL; | |
597 | break; | |
598 | default: | |
599 | return -EINVAL; | |
600 | } | |
601 | break; | |
602 | default: | |
603 | return -EINVAL; | |
604 | } | |
605 | ||
606 | return 0; | |
607 | } | |
608 | ||
609 | static int apds9960_read_event(struct iio_dev *indio_dev, | |
610 | const struct iio_chan_spec *chan, | |
611 | enum iio_event_type type, | |
612 | enum iio_event_direction dir, | |
613 | enum iio_event_info info, | |
614 | int *val, int *val2) | |
615 | { | |
616 | u8 reg; | |
801ab335 | 617 | __le16 buf; |
aff268cd MR |
618 | int ret = 0; |
619 | struct apds9960_data *data = iio_priv(indio_dev); | |
620 | ||
621 | if (info != IIO_EV_INFO_VALUE) | |
622 | return -EINVAL; | |
623 | ||
624 | ret = apds9960_get_thres_reg(chan, dir, ®); | |
625 | if (ret < 0) | |
626 | return ret; | |
627 | ||
628 | if (chan->type == IIO_PROXIMITY) { | |
629 | ret = regmap_read(data->regmap, reg, val); | |
630 | if (ret < 0) | |
631 | return ret; | |
632 | } else if (chan->type == IIO_INTENSITY) { | |
633 | ret = regmap_bulk_read(data->regmap, reg, &buf, 2); | |
634 | if (ret < 0) | |
635 | return ret; | |
636 | *val = le16_to_cpu(buf); | |
637 | } else | |
638 | return -EINVAL; | |
639 | ||
640 | *val2 = 0; | |
641 | ||
642 | return IIO_VAL_INT; | |
643 | } | |
644 | ||
645 | static int apds9960_write_event(struct iio_dev *indio_dev, | |
646 | const struct iio_chan_spec *chan, | |
647 | enum iio_event_type type, | |
648 | enum iio_event_direction dir, | |
649 | enum iio_event_info info, | |
650 | int val, int val2) | |
651 | { | |
652 | u8 reg; | |
801ab335 | 653 | __le16 buf; |
aff268cd MR |
654 | int ret = 0; |
655 | struct apds9960_data *data = iio_priv(indio_dev); | |
656 | ||
657 | if (info != IIO_EV_INFO_VALUE) | |
658 | return -EINVAL; | |
659 | ||
660 | ret = apds9960_get_thres_reg(chan, dir, ®); | |
661 | if (ret < 0) | |
662 | return ret; | |
663 | ||
664 | if (chan->type == IIO_PROXIMITY) { | |
665 | if (val < 0 || val > APDS9960_MAX_PXS_THRES_VAL) | |
666 | return -EINVAL; | |
667 | ret = regmap_write(data->regmap, reg, val); | |
668 | if (ret < 0) | |
669 | return ret; | |
670 | } else if (chan->type == IIO_INTENSITY) { | |
671 | if (val < 0 || val > APDS9960_MAX_ALS_THRES_VAL) | |
672 | return -EINVAL; | |
673 | buf = cpu_to_le16(val); | |
674 | ret = regmap_bulk_write(data->regmap, reg, &buf, 2); | |
675 | if (ret < 0) | |
676 | return ret; | |
677 | } else | |
678 | return -EINVAL; | |
679 | ||
680 | return 0; | |
681 | } | |
682 | ||
683 | static int apds9960_read_event_config(struct iio_dev *indio_dev, | |
684 | const struct iio_chan_spec *chan, | |
685 | enum iio_event_type type, | |
686 | enum iio_event_direction dir) | |
687 | { | |
688 | struct apds9960_data *data = iio_priv(indio_dev); | |
689 | ||
690 | switch (chan->type) { | |
691 | case IIO_PROXIMITY: | |
692 | return data->pxs_int; | |
693 | case IIO_INTENSITY: | |
694 | return data->als_int; | |
695 | default: | |
696 | return -EINVAL; | |
697 | } | |
698 | ||
699 | return 0; | |
700 | } | |
701 | ||
702 | static int apds9960_write_event_config(struct iio_dev *indio_dev, | |
703 | const struct iio_chan_spec *chan, | |
704 | enum iio_event_type type, | |
705 | enum iio_event_direction dir, | |
706 | int state) | |
707 | { | |
708 | struct apds9960_data *data = iio_priv(indio_dev); | |
709 | int ret; | |
710 | ||
711 | state = !!state; | |
712 | ||
713 | switch (chan->type) { | |
714 | case IIO_PROXIMITY: | |
715 | if (data->pxs_int == state) | |
716 | return -EINVAL; | |
717 | ||
718 | ret = regmap_field_write(data->reg_int_pxs, state); | |
719 | if (ret) | |
720 | return ret; | |
721 | data->pxs_int = state; | |
722 | apds9960_set_power_state(data, state); | |
723 | break; | |
724 | case IIO_INTENSITY: | |
725 | if (data->als_int == state) | |
726 | return -EINVAL; | |
727 | ||
728 | ret = regmap_field_write(data->reg_int_als, state); | |
729 | if (ret) | |
730 | return ret; | |
731 | data->als_int = state; | |
732 | apds9960_set_power_state(data, state); | |
733 | break; | |
734 | default: | |
735 | return -EINVAL; | |
736 | } | |
737 | ||
738 | return 0; | |
739 | } | |
740 | ||
741 | static const struct iio_info apds9960_info = { | |
742 | .driver_module = THIS_MODULE, | |
743 | .attrs = &apds9960_attribute_group, | |
744 | .read_raw = apds9960_read_raw, | |
745 | .write_raw = apds9960_write_raw, | |
746 | .read_event_value = apds9960_read_event, | |
747 | .write_event_value = apds9960_write_event, | |
748 | .read_event_config = apds9960_read_event_config, | |
749 | .write_event_config = apds9960_write_event_config, | |
750 | ||
751 | }; | |
752 | ||
753 | static inline int apds9660_fifo_is_empty(struct apds9960_data *data) | |
754 | { | |
755 | int cnt; | |
756 | int ret; | |
757 | ||
758 | ret = regmap_read(data->regmap, APDS9960_REG_GFLVL, &cnt); | |
759 | if (ret) | |
760 | return ret; | |
761 | ||
762 | return cnt; | |
763 | } | |
764 | ||
765 | static void apds9960_read_gesture_fifo(struct apds9960_data *data) | |
766 | { | |
767 | int ret, cnt = 0; | |
768 | ||
769 | mutex_lock(&data->lock); | |
770 | data->gesture_mode_running = 1; | |
771 | ||
655048a0 | 772 | while (cnt || (cnt = apds9660_fifo_is_empty(data) > 0)) { |
aff268cd MR |
773 | ret = regmap_bulk_read(data->regmap, APDS9960_REG_GFIFO_BASE, |
774 | &data->buffer, 4); | |
775 | ||
776 | if (ret) | |
777 | goto err_read; | |
778 | ||
779 | iio_push_to_buffers(data->indio_dev, data->buffer); | |
655048a0 | 780 | cnt--; |
aff268cd MR |
781 | } |
782 | ||
783 | err_read: | |
784 | data->gesture_mode_running = 0; | |
785 | mutex_unlock(&data->lock); | |
786 | } | |
787 | ||
788 | static irqreturn_t apds9960_interrupt_handler(int irq, void *private) | |
789 | { | |
790 | struct iio_dev *indio_dev = private; | |
791 | struct apds9960_data *data = iio_priv(indio_dev); | |
792 | int ret, status; | |
793 | ||
794 | ret = regmap_read(data->regmap, APDS9960_REG_STATUS, &status); | |
795 | if (ret < 0) { | |
796 | dev_err(&data->client->dev, "irq status reg read failed\n"); | |
797 | return IRQ_HANDLED; | |
798 | } | |
799 | ||
800 | if ((status & APDS9960_REG_STATUS_ALS_INT) && data->als_int) { | |
801 | iio_push_event(indio_dev, | |
802 | IIO_UNMOD_EVENT_CODE(IIO_INTENSITY, 0, | |
803 | IIO_EV_TYPE_THRESH, | |
804 | IIO_EV_DIR_EITHER), | |
805 | iio_get_time_ns()); | |
806 | regmap_write(data->regmap, APDS9960_REG_CICLEAR, 1); | |
807 | } | |
808 | ||
809 | if ((status & APDS9960_REG_STATUS_PS_INT) && data->pxs_int) { | |
810 | iio_push_event(indio_dev, | |
811 | IIO_UNMOD_EVENT_CODE(IIO_PROXIMITY, 0, | |
812 | IIO_EV_TYPE_THRESH, | |
813 | IIO_EV_DIR_EITHER), | |
814 | iio_get_time_ns()); | |
815 | regmap_write(data->regmap, APDS9960_REG_PICLEAR, 1); | |
816 | } | |
817 | ||
818 | if (status & APDS9960_REG_STATUS_GINT) | |
819 | apds9960_read_gesture_fifo(data); | |
820 | ||
821 | return IRQ_HANDLED; | |
822 | } | |
823 | ||
824 | static int apds9960_set_powermode(struct apds9960_data *data, bool state) | |
825 | { | |
826 | return regmap_update_bits(data->regmap, APDS9960_REG_ENABLE, 1, state); | |
827 | } | |
828 | ||
829 | static int apds9960_buffer_postenable(struct iio_dev *indio_dev) | |
830 | { | |
831 | struct apds9960_data *data = iio_priv(indio_dev); | |
832 | int ret; | |
833 | ||
834 | ret = regmap_field_write(data->reg_int_ges, 1); | |
835 | if (ret) | |
836 | return ret; | |
837 | ||
838 | ret = regmap_field_write(data->reg_enable_ges, 1); | |
839 | if (ret) | |
840 | return ret; | |
841 | ||
842 | pm_runtime_get_sync(&data->client->dev); | |
843 | ||
844 | return 0; | |
845 | } | |
846 | ||
847 | static int apds9960_buffer_predisable(struct iio_dev *indio_dev) | |
848 | { | |
849 | struct apds9960_data *data = iio_priv(indio_dev); | |
850 | int ret; | |
851 | ||
852 | ret = regmap_field_write(data->reg_enable_ges, 0); | |
853 | if (ret) | |
854 | return ret; | |
855 | ||
856 | ret = regmap_field_write(data->reg_int_ges, 0); | |
857 | if (ret) | |
858 | return ret; | |
859 | ||
860 | pm_runtime_put_autosuspend(&data->client->dev); | |
861 | ||
862 | return 0; | |
863 | } | |
864 | ||
865 | static const struct iio_buffer_setup_ops apds9960_buffer_setup_ops = { | |
866 | .postenable = apds9960_buffer_postenable, | |
867 | .predisable = apds9960_buffer_predisable, | |
868 | }; | |
869 | ||
870 | static int apds9960_regfield_init(struct apds9960_data *data) | |
871 | { | |
872 | struct device *dev = &data->client->dev; | |
873 | struct regmap *regmap = data->regmap; | |
874 | ||
875 | data->reg_int_als = devm_regmap_field_alloc(dev, regmap, | |
876 | apds9960_reg_field_int_als); | |
877 | if (IS_ERR(data->reg_int_als)) { | |
878 | dev_err(dev, "INT ALS reg field init failed\n"); | |
879 | return PTR_ERR(data->reg_int_als); | |
880 | } | |
881 | ||
882 | data->reg_int_ges = devm_regmap_field_alloc(dev, regmap, | |
883 | apds9960_reg_field_int_ges); | |
884 | if (IS_ERR(data->reg_int_ges)) { | |
885 | dev_err(dev, "INT gesture reg field init failed\n"); | |
886 | return PTR_ERR(data->reg_int_ges); | |
887 | } | |
888 | ||
889 | data->reg_int_pxs = devm_regmap_field_alloc(dev, regmap, | |
890 | apds9960_reg_field_int_pxs); | |
891 | if (IS_ERR(data->reg_int_pxs)) { | |
892 | dev_err(dev, "INT pxs reg field init failed\n"); | |
893 | return PTR_ERR(data->reg_int_pxs); | |
894 | } | |
895 | ||
896 | data->reg_enable_als = devm_regmap_field_alloc(dev, regmap, | |
897 | apds9960_reg_field_enable_als); | |
898 | if (IS_ERR(data->reg_enable_als)) { | |
899 | dev_err(dev, "Enable ALS reg field init failed\n"); | |
900 | return PTR_ERR(data->reg_enable_als); | |
901 | } | |
902 | ||
903 | data->reg_enable_ges = devm_regmap_field_alloc(dev, regmap, | |
904 | apds9960_reg_field_enable_ges); | |
905 | if (IS_ERR(data->reg_enable_ges)) { | |
906 | dev_err(dev, "Enable gesture reg field init failed\n"); | |
907 | return PTR_ERR(data->reg_enable_ges); | |
908 | } | |
909 | ||
910 | data->reg_enable_pxs = devm_regmap_field_alloc(dev, regmap, | |
911 | apds9960_reg_field_enable_pxs); | |
912 | if (IS_ERR(data->reg_enable_pxs)) { | |
913 | dev_err(dev, "Enable PXS reg field init failed\n"); | |
914 | return PTR_ERR(data->reg_enable_pxs); | |
915 | } | |
916 | ||
917 | return 0; | |
918 | } | |
919 | ||
920 | static int apds9960_chip_init(struct apds9960_data *data) | |
921 | { | |
922 | int ret; | |
923 | ||
924 | /* Default IT for ALS of 28 ms */ | |
925 | ret = apds9960_set_it_time(data, 28000); | |
926 | if (ret) | |
927 | return ret; | |
928 | ||
929 | /* Ensure gesture interrupt is OFF */ | |
930 | ret = regmap_field_write(data->reg_int_ges, 0); | |
931 | if (ret) | |
932 | return ret; | |
933 | ||
934 | /* Disable gesture sensor, since polling is useless from user-space */ | |
935 | ret = regmap_field_write(data->reg_enable_ges, 0); | |
936 | if (ret) | |
937 | return ret; | |
938 | ||
939 | /* Ensure proximity interrupt is OFF */ | |
940 | ret = regmap_field_write(data->reg_int_pxs, 0); | |
941 | if (ret) | |
942 | return ret; | |
943 | ||
944 | /* Enable proximity sensor for polling */ | |
945 | ret = regmap_field_write(data->reg_enable_pxs, 1); | |
946 | if (ret) | |
947 | return ret; | |
948 | ||
949 | /* Ensure ALS interrupt is OFF */ | |
950 | ret = regmap_field_write(data->reg_int_als, 0); | |
951 | if (ret) | |
952 | return ret; | |
953 | ||
954 | /* Enable ALS sensor for polling */ | |
955 | ret = regmap_field_write(data->reg_enable_als, 1); | |
956 | if (ret) | |
957 | return ret; | |
958 | /* | |
959 | * When enabled trigger an interrupt after 3 readings | |
960 | * outside threshold for ALS + PXS | |
961 | */ | |
962 | ret = regmap_write(data->regmap, APDS9960_REG_PERS, | |
963 | APDS9960_DEFAULT_PERS); | |
964 | if (ret) | |
965 | return ret; | |
966 | ||
967 | /* | |
968 | * Wait for 4 event outside gesture threshold to prevent interrupt | |
969 | * flooding. | |
970 | */ | |
971 | ret = regmap_update_bits(data->regmap, APDS9960_REG_GCONF_1, | |
972 | APDS9960_REG_GCONF_1_GFIFO_THRES_MASK, | |
973 | BIT(0) << APDS9960_REG_GCONF_1_GFIFO_THRES_MASK_SHIFT); | |
974 | if (ret) | |
975 | return ret; | |
976 | ||
977 | /* Default ENTER and EXIT thresholds for the GESTURE engine. */ | |
978 | ret = regmap_write(data->regmap, APDS9960_REG_GPENTH, | |
979 | APDS9960_DEFAULT_GPENTH); | |
980 | if (ret) | |
981 | return ret; | |
982 | ||
983 | ret = regmap_write(data->regmap, APDS9960_REG_GEXTH, | |
984 | APDS9960_DEFAULT_GEXTH); | |
985 | if (ret) | |
986 | return ret; | |
987 | ||
ebe5c543 | 988 | return apds9960_set_powermode(data, 1); |
aff268cd MR |
989 | } |
990 | ||
991 | static int apds9960_probe(struct i2c_client *client, | |
992 | const struct i2c_device_id *id) | |
993 | { | |
994 | struct apds9960_data *data; | |
995 | struct iio_buffer *buffer; | |
996 | struct iio_dev *indio_dev; | |
997 | int ret; | |
998 | ||
999 | indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data)); | |
1000 | if (!indio_dev) | |
1001 | return -ENOMEM; | |
1002 | ||
1003 | buffer = devm_iio_kfifo_allocate(&client->dev); | |
1004 | if (!buffer) | |
1005 | return -ENOMEM; | |
1006 | ||
1007 | iio_device_attach_buffer(indio_dev, buffer); | |
1008 | ||
1009 | indio_dev->info = &apds9960_info; | |
1010 | indio_dev->name = APDS9960_DRV_NAME; | |
1011 | indio_dev->channels = apds9960_channels; | |
1012 | indio_dev->num_channels = ARRAY_SIZE(apds9960_channels); | |
1013 | indio_dev->available_scan_masks = apds9960_scan_masks; | |
1014 | indio_dev->modes = (INDIO_BUFFER_SOFTWARE | INDIO_DIRECT_MODE); | |
1015 | indio_dev->setup_ops = &apds9960_buffer_setup_ops; | |
1016 | ||
1017 | data = iio_priv(indio_dev); | |
1018 | i2c_set_clientdata(client, indio_dev); | |
1019 | ||
1020 | data->regmap = devm_regmap_init_i2c(client, &apds9960_regmap_config); | |
1021 | if (IS_ERR(data->regmap)) { | |
1022 | dev_err(&client->dev, "regmap initialization failed.\n"); | |
1023 | return PTR_ERR(data->regmap); | |
1024 | } | |
1025 | ||
1026 | data->client = client; | |
1027 | data->indio_dev = indio_dev; | |
1028 | mutex_init(&data->lock); | |
1029 | ||
1030 | ret = pm_runtime_set_active(&client->dev); | |
1031 | if (ret) | |
1032 | goto error_power_down; | |
1033 | ||
1034 | pm_runtime_enable(&client->dev); | |
1035 | pm_runtime_set_autosuspend_delay(&client->dev, 5000); | |
1036 | pm_runtime_use_autosuspend(&client->dev); | |
1037 | ||
1038 | apds9960_set_power_state(data, true); | |
1039 | ||
1040 | ret = apds9960_regfield_init(data); | |
1041 | if (ret) | |
1042 | goto error_power_down; | |
1043 | ||
1044 | ret = apds9960_chip_init(data); | |
1045 | if (ret) | |
1046 | goto error_power_down; | |
1047 | ||
1048 | if (client->irq <= 0) { | |
1049 | dev_err(&client->dev, "no valid irq defined\n"); | |
1050 | ret = -EINVAL; | |
1051 | goto error_power_down; | |
1052 | } | |
1053 | ret = devm_request_threaded_irq(&client->dev, client->irq, | |
1054 | NULL, apds9960_interrupt_handler, | |
1055 | IRQF_TRIGGER_FALLING | IRQF_ONESHOT, | |
1056 | "apds9960_event", | |
1057 | indio_dev); | |
1058 | if (ret) { | |
1059 | dev_err(&client->dev, "request irq (%d) failed\n", client->irq); | |
1060 | goto error_power_down; | |
1061 | } | |
1062 | ||
1063 | ret = iio_device_register(indio_dev); | |
1064 | if (ret) | |
1065 | goto error_power_down; | |
1066 | ||
1067 | apds9960_set_power_state(data, false); | |
1068 | ||
1069 | return 0; | |
1070 | ||
1071 | error_power_down: | |
1072 | apds9960_set_power_state(data, false); | |
1073 | ||
1074 | return ret; | |
1075 | } | |
1076 | ||
1077 | static int apds9960_remove(struct i2c_client *client) | |
1078 | { | |
1079 | struct iio_dev *indio_dev = i2c_get_clientdata(client); | |
1080 | struct apds9960_data *data = iio_priv(indio_dev); | |
1081 | ||
1082 | iio_device_unregister(indio_dev); | |
1083 | pm_runtime_disable(&client->dev); | |
1084 | pm_runtime_set_suspended(&client->dev); | |
1085 | apds9960_set_powermode(data, 0); | |
1086 | ||
1087 | return 0; | |
1088 | } | |
1089 | ||
1090 | #ifdef CONFIG_PM | |
1091 | static int apds9960_runtime_suspend(struct device *dev) | |
1092 | { | |
1093 | struct apds9960_data *data = | |
1094 | iio_priv(i2c_get_clientdata(to_i2c_client(dev))); | |
1095 | ||
1096 | return apds9960_set_powermode(data, 0); | |
1097 | } | |
1098 | ||
1099 | static int apds9960_runtime_resume(struct device *dev) | |
1100 | { | |
1101 | struct apds9960_data *data = | |
1102 | iio_priv(i2c_get_clientdata(to_i2c_client(dev))); | |
1103 | ||
1104 | return apds9960_set_powermode(data, 1); | |
1105 | } | |
1106 | #endif | |
1107 | ||
1108 | static const struct dev_pm_ops apds9960_pm_ops = { | |
1109 | SET_RUNTIME_PM_OPS(apds9960_runtime_suspend, | |
1110 | apds9960_runtime_resume, NULL) | |
1111 | }; | |
1112 | ||
1113 | static const struct i2c_device_id apds9960_id[] = { | |
1114 | { "apds9960", 0 }, | |
1115 | {} | |
1116 | }; | |
1117 | MODULE_DEVICE_TABLE(i2c, apds9960_id); | |
1118 | ||
1119 | static struct i2c_driver apds9960_driver = { | |
1120 | .driver = { | |
1121 | .name = APDS9960_DRV_NAME, | |
1122 | .pm = &apds9960_pm_ops, | |
aff268cd MR |
1123 | }, |
1124 | .probe = apds9960_probe, | |
1125 | .remove = apds9960_remove, | |
1126 | .id_table = apds9960_id, | |
1127 | }; | |
1128 | module_i2c_driver(apds9960_driver); | |
1129 | ||
1130 | MODULE_AUTHOR("Matt Ranostay <mranostay@gmail.com>"); | |
1131 | MODULE_DESCRIPTION("ADPS9960 Gesture/RGB/ALS/Proximity sensor"); | |
1132 | MODULE_LICENSE("GPL"); |