1 // SPDX-License-Identifier: GPL-2.0-only
3 * KXCJK-1013 3-axis accelerometer driver
4 * Copyright (c) 2014, Intel Corporation.
7 #include <linux/module.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>
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>
27 #define KXCJK1013_DRV_NAME "kxcjk1013"
28 #define KXCJK1013_IRQ_NAME "kxcjk1013_event"
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
37 #define KXCJK1013_REG_XOUT_L 0x06
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.
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
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
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
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)
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)
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)
140 #define KXCJK1013_DATA_MASK_12_BIT 0x0FFF
141 #define KXCJK1013_MAX_STARTUP_TIME_US 100000
143 #define KXCJK1013_SLEEP_DELAY_MS 2000
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)
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)
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)
169 #define KXCJK1013_DEFAULT_WAKE_THRES 1
177 KX_MAX_CHIPS /* this must be last */
186 struct kx_chipset_regs {
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,
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,
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,
236 enum kxcjk1013_axis {
243 struct kxcjk1013_data {
244 struct regulator_bulk_data regulators[2];
245 struct i2c_client *client;
246 struct iio_trigger *dready_trig;
247 struct iio_trigger *motion_trig;
248 struct iio_mount_matrix orientation;
250 /* Ensure timestamp naturally aligned */
253 s64 timestamp __aligned(8);
259 bool active_high_intr;
260 bool dready_trigger_on;
262 bool motion_trigger_on;
264 enum kx_chipset chipset;
265 enum kx_acpi_type acpi_type;
266 const struct kx_chipset_regs *regs;
269 enum kxcjk1013_mode {
274 enum kxcjk1013_range {
287 static const struct kx_odr_map samp_freq_table[] = {
288 { 0, 781000, 0x08, 0x00 },
289 { 1, 563000, 0x09, 0x01 },
290 { 3, 125000, 0x0A, 0x02 },
291 { 6, 250000, 0x0B, 0x03 },
292 { 12, 500000, 0x00, 0x04 },
293 { 25, 0, 0x01, 0x05 },
294 { 50, 0, 0x02, 0x06 },
295 { 100, 0, 0x03, 0x06 },
296 { 200, 0, 0x04, 0x06 },
297 { 400, 0, 0x05, 0x06 },
298 { 800, 0, 0x06, 0x06 },
299 { 1600, 0, 0x07, 0x06 },
302 static const char *const kxcjk1013_samp_freq_avail =
303 "0.781000 1.563000 3.125000 6.250000 12.500000 25 50 100 200 400 800 1600";
305 static const struct kx_odr_map kxtf9_samp_freq_table[] = {
306 { 25, 0, 0x01, 0x00 },
307 { 50, 0, 0x02, 0x01 },
308 { 100, 0, 0x03, 0x01 },
309 { 200, 0, 0x04, 0x01 },
310 { 400, 0, 0x05, 0x01 },
311 { 800, 0, 0x06, 0x01 },
314 static const char *const kxtf9_samp_freq_avail =
315 "25 50 100 200 400 800";
317 /* Refer to section 4 of the specification */
318 static const struct {
321 } odr_start_up_times[KX_MAX_CHIPS][12] = {
378 /* First 4 are not in datasheet, taken from KXCTJ2-1009 */
394 static const struct {
398 } KXCJK1013_scale_table[] = { {9582, 0, 0},
403 enum kiox010a_fn_index {
404 KIOX010A_SET_LAPTOP_MODE = 1,
405 KIOX010A_SET_TABLET_MODE = 2,
408 static int kiox010a_dsm(struct device *dev, int fn_index)
410 acpi_handle handle = ACPI_HANDLE(dev);
411 guid_t kiox010a_dsm_guid;
412 union acpi_object *obj;
417 guid_parse("1f339696-d475-4e26-8cad-2e9f8e6d7a91", &kiox010a_dsm_guid);
419 obj = acpi_evaluate_dsm(handle, &kiox010a_dsm_guid, 1, fn_index, NULL);
428 static int kxcjk1013_set_mode(struct kxcjk1013_data *data,
429 enum kxcjk1013_mode mode)
433 ret = i2c_smbus_read_byte_data(data->client, data->regs->ctrl1);
435 dev_err(&data->client->dev, "Error reading reg_ctrl1\n");
440 ret &= ~KXCJK1013_REG_CTRL1_BIT_PC1;
442 ret |= KXCJK1013_REG_CTRL1_BIT_PC1;
444 ret = i2c_smbus_write_byte_data(data->client, data->regs->ctrl1, ret);
446 dev_err(&data->client->dev, "Error writing reg_ctrl1\n");
453 static int kxcjk1013_get_mode(struct kxcjk1013_data *data,
454 enum kxcjk1013_mode *mode)
458 ret = i2c_smbus_read_byte_data(data->client, data->regs->ctrl1);
460 dev_err(&data->client->dev, "Error reading reg_ctrl1\n");
464 if (ret & KXCJK1013_REG_CTRL1_BIT_PC1)
472 static int kxcjk1013_set_range(struct kxcjk1013_data *data, int range_index)
476 ret = i2c_smbus_read_byte_data(data->client, data->regs->ctrl1);
478 dev_err(&data->client->dev, "Error reading reg_ctrl1\n");
482 ret &= ~(KXCJK1013_REG_CTRL1_BIT_GSEL0 |
483 KXCJK1013_REG_CTRL1_BIT_GSEL1);
484 ret |= (KXCJK1013_scale_table[range_index].gsel_0 << 3);
485 ret |= (KXCJK1013_scale_table[range_index].gsel_1 << 4);
487 ret = i2c_smbus_write_byte_data(data->client, data->regs->ctrl1, ret);
489 dev_err(&data->client->dev, "Error writing reg_ctrl1\n");
493 data->range = range_index;
498 static int kxcjk1013_chip_init(struct kxcjk1013_data *data)
503 if (data->acpi_type == ACPI_KIOX010A) {
504 /* Make sure the kbd and touchpad on 2-in-1s using 2 KXCJ91008-s work */
505 kiox010a_dsm(&data->client->dev, KIOX010A_SET_LAPTOP_MODE);
509 ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_WHO_AM_I);
511 dev_err(&data->client->dev, "Error reading who_am_i\n");
515 dev_dbg(&data->client->dev, "KXCJK1013 Chip Id %x\n", ret);
517 ret = kxcjk1013_set_mode(data, STANDBY);
521 ret = i2c_smbus_read_byte_data(data->client, data->regs->ctrl1);
523 dev_err(&data->client->dev, "Error reading reg_ctrl1\n");
527 /* Set 12 bit mode */
528 ret |= KXCJK1013_REG_CTRL1_BIT_RES;
530 ret = i2c_smbus_write_byte_data(data->client, data->regs->ctrl1, ret);
532 dev_err(&data->client->dev, "Error reading reg_ctrl\n");
536 /* Setting range to 4G */
537 ret = kxcjk1013_set_range(data, KXCJK1013_RANGE_4G);
541 ret = i2c_smbus_read_byte_data(data->client, data->regs->data_ctrl);
543 dev_err(&data->client->dev, "Error reading reg_data_ctrl\n");
547 data->odr_bits = ret;
549 /* Set up INT polarity */
550 ret = i2c_smbus_read_byte_data(data->client, data->regs->int_ctrl1);
552 dev_err(&data->client->dev, "Error reading reg_int_ctrl1\n");
556 if (data->active_high_intr)
557 ret |= KXCJK1013_REG_INT_CTRL1_BIT_IEA;
559 ret &= ~KXCJK1013_REG_INT_CTRL1_BIT_IEA;
561 ret = i2c_smbus_write_byte_data(data->client, data->regs->int_ctrl1, ret);
563 dev_err(&data->client->dev, "Error writing reg_int_ctrl1\n");
567 /* On KX023, route all used interrupts to INT1 for now */
568 if (data->chipset == KX0231025 && data->client->irq > 0) {
569 ret = i2c_smbus_write_byte_data(data->client, KX023_REG_INC4,
570 KX023_REG_INC4_DRDY1 |
571 KX023_REG_INC4_WUFI1);
573 dev_err(&data->client->dev, "Error writing reg_inc4\n");
578 ret = kxcjk1013_set_mode(data, OPERATION);
582 data->wake_thres = KXCJK1013_DEFAULT_WAKE_THRES;
588 static int kxcjk1013_get_startup_times(struct kxcjk1013_data *data)
591 int idx = data->chipset;
593 for (i = 0; i < ARRAY_SIZE(odr_start_up_times[idx]); ++i) {
594 if (odr_start_up_times[idx][i].odr_bits == data->odr_bits)
595 return odr_start_up_times[idx][i].usec;
598 return KXCJK1013_MAX_STARTUP_TIME_US;
602 static int kxcjk1013_set_power_state(struct kxcjk1013_data *data, bool on)
608 ret = pm_runtime_resume_and_get(&data->client->dev);
610 pm_runtime_mark_last_busy(&data->client->dev);
611 ret = pm_runtime_put_autosuspend(&data->client->dev);
614 dev_err(&data->client->dev,
615 "Failed: %s for %d\n", __func__, on);
623 static int kxcjk1013_chip_update_thresholds(struct kxcjk1013_data *data)
627 ret = i2c_smbus_write_byte_data(data->client, data->regs->wake_timer,
630 dev_err(&data->client->dev,
631 "Error writing reg_wake_timer\n");
635 ret = i2c_smbus_write_byte_data(data->client, data->regs->wake_thres,
638 dev_err(&data->client->dev, "Error writing reg_wake_thres\n");
645 static int kxcjk1013_setup_any_motion_interrupt(struct kxcjk1013_data *data,
649 enum kxcjk1013_mode store_mode;
651 ret = kxcjk1013_get_mode(data, &store_mode);
655 /* This is requirement by spec to change state to STANDBY */
656 ret = kxcjk1013_set_mode(data, STANDBY);
660 ret = kxcjk1013_chip_update_thresholds(data);
664 ret = i2c_smbus_read_byte_data(data->client, data->regs->int_ctrl1);
666 dev_err(&data->client->dev, "Error reading reg_int_ctrl1\n");
671 ret |= KXCJK1013_REG_INT_CTRL1_BIT_IEN;
673 ret &= ~KXCJK1013_REG_INT_CTRL1_BIT_IEN;
675 ret = i2c_smbus_write_byte_data(data->client, data->regs->int_ctrl1, ret);
677 dev_err(&data->client->dev, "Error writing reg_int_ctrl1\n");
681 ret = i2c_smbus_read_byte_data(data->client, data->regs->ctrl1);
683 dev_err(&data->client->dev, "Error reading reg_ctrl1\n");
688 ret |= KXCJK1013_REG_CTRL1_BIT_WUFE;
690 ret &= ~KXCJK1013_REG_CTRL1_BIT_WUFE;
692 ret = i2c_smbus_write_byte_data(data->client, data->regs->ctrl1, ret);
694 dev_err(&data->client->dev, "Error writing reg_ctrl1\n");
698 if (store_mode == OPERATION) {
699 ret = kxcjk1013_set_mode(data, OPERATION);
707 static int kxcjk1013_setup_new_data_interrupt(struct kxcjk1013_data *data,
711 enum kxcjk1013_mode store_mode;
713 ret = kxcjk1013_get_mode(data, &store_mode);
717 /* This is requirement by spec to change state to STANDBY */
718 ret = kxcjk1013_set_mode(data, STANDBY);
722 ret = i2c_smbus_read_byte_data(data->client, data->regs->int_ctrl1);
724 dev_err(&data->client->dev, "Error reading reg_int_ctrl1\n");
729 ret |= KXCJK1013_REG_INT_CTRL1_BIT_IEN;
731 ret &= ~KXCJK1013_REG_INT_CTRL1_BIT_IEN;
733 ret = i2c_smbus_write_byte_data(data->client, data->regs->int_ctrl1, ret);
735 dev_err(&data->client->dev, "Error writing reg_int_ctrl1\n");
739 ret = i2c_smbus_read_byte_data(data->client, data->regs->ctrl1);
741 dev_err(&data->client->dev, "Error reading reg_ctrl1\n");
746 ret |= KXCJK1013_REG_CTRL1_BIT_DRDY;
748 ret &= ~KXCJK1013_REG_CTRL1_BIT_DRDY;
750 ret = i2c_smbus_write_byte_data(data->client, data->regs->ctrl1, ret);
752 dev_err(&data->client->dev, "Error writing reg_ctrl1\n");
756 if (store_mode == OPERATION) {
757 ret = kxcjk1013_set_mode(data, OPERATION);
765 static const struct kx_odr_map *kxcjk1013_find_odr_value(
766 const struct kx_odr_map *map, size_t map_size, int val, int val2)
770 for (i = 0; i < map_size; ++i) {
771 if (map[i].val == val && map[i].val2 == val2)
775 return ERR_PTR(-EINVAL);
778 static int kxcjk1013_convert_odr_value(const struct kx_odr_map *map,
779 size_t map_size, int odr_bits,
784 for (i = 0; i < map_size; ++i) {
785 if (map[i].odr_bits == odr_bits) {
788 return IIO_VAL_INT_PLUS_MICRO;
795 static int kxcjk1013_set_odr(struct kxcjk1013_data *data, int val, int val2)
798 enum kxcjk1013_mode store_mode;
799 const struct kx_odr_map *odr_setting;
801 ret = kxcjk1013_get_mode(data, &store_mode);
805 if (data->chipset == KXTF9)
806 odr_setting = kxcjk1013_find_odr_value(kxtf9_samp_freq_table,
807 ARRAY_SIZE(kxtf9_samp_freq_table),
810 odr_setting = kxcjk1013_find_odr_value(samp_freq_table,
811 ARRAY_SIZE(samp_freq_table),
814 if (IS_ERR(odr_setting))
815 return PTR_ERR(odr_setting);
817 /* To change ODR, the chip must be set to STANDBY as per spec */
818 ret = kxcjk1013_set_mode(data, STANDBY);
822 ret = i2c_smbus_write_byte_data(data->client, data->regs->data_ctrl,
823 odr_setting->odr_bits);
825 dev_err(&data->client->dev, "Error writing data_ctrl\n");
829 data->odr_bits = odr_setting->odr_bits;
831 ret = i2c_smbus_write_byte_data(data->client, data->regs->wuf_ctrl,
832 odr_setting->wuf_bits);
834 dev_err(&data->client->dev, "Error writing reg_ctrl2\n");
838 if (store_mode == OPERATION) {
839 ret = kxcjk1013_set_mode(data, OPERATION);
847 static int kxcjk1013_get_odr(struct kxcjk1013_data *data, int *val, int *val2)
849 if (data->chipset == KXTF9)
850 return kxcjk1013_convert_odr_value(kxtf9_samp_freq_table,
851 ARRAY_SIZE(kxtf9_samp_freq_table),
852 data->odr_bits, val, val2);
854 return kxcjk1013_convert_odr_value(samp_freq_table,
855 ARRAY_SIZE(samp_freq_table),
856 data->odr_bits, val, val2);
859 static int kxcjk1013_get_acc_reg(struct kxcjk1013_data *data, int axis)
861 u8 reg = KXCJK1013_REG_XOUT_L + axis * 2;
864 ret = i2c_smbus_read_word_data(data->client, reg);
866 dev_err(&data->client->dev,
867 "failed to read accel_%c registers\n", 'x' + axis);
874 static int kxcjk1013_set_scale(struct kxcjk1013_data *data, int val)
877 enum kxcjk1013_mode store_mode;
879 for (i = 0; i < ARRAY_SIZE(KXCJK1013_scale_table); ++i) {
880 if (KXCJK1013_scale_table[i].scale == val) {
881 ret = kxcjk1013_get_mode(data, &store_mode);
885 ret = kxcjk1013_set_mode(data, STANDBY);
889 ret = kxcjk1013_set_range(data, i);
893 if (store_mode == OPERATION) {
894 ret = kxcjk1013_set_mode(data, OPERATION);
906 static int kxcjk1013_read_raw(struct iio_dev *indio_dev,
907 struct iio_chan_spec const *chan, int *val,
908 int *val2, long mask)
910 struct kxcjk1013_data *data = iio_priv(indio_dev);
914 case IIO_CHAN_INFO_RAW:
915 mutex_lock(&data->mutex);
916 if (iio_buffer_enabled(indio_dev))
919 ret = kxcjk1013_set_power_state(data, true);
921 mutex_unlock(&data->mutex);
924 ret = kxcjk1013_get_acc_reg(data, chan->scan_index);
926 kxcjk1013_set_power_state(data, false);
927 mutex_unlock(&data->mutex);
930 *val = sign_extend32(ret >> 4, 11);
931 ret = kxcjk1013_set_power_state(data, false);
933 mutex_unlock(&data->mutex);
940 case IIO_CHAN_INFO_SCALE:
942 *val2 = KXCJK1013_scale_table[data->range].scale;
943 return IIO_VAL_INT_PLUS_MICRO;
945 case IIO_CHAN_INFO_SAMP_FREQ:
946 mutex_lock(&data->mutex);
947 ret = kxcjk1013_get_odr(data, val, val2);
948 mutex_unlock(&data->mutex);
956 static int kxcjk1013_write_raw(struct iio_dev *indio_dev,
957 struct iio_chan_spec const *chan, int val,
960 struct kxcjk1013_data *data = iio_priv(indio_dev);
964 case IIO_CHAN_INFO_SAMP_FREQ:
965 mutex_lock(&data->mutex);
966 ret = kxcjk1013_set_odr(data, val, val2);
967 mutex_unlock(&data->mutex);
969 case IIO_CHAN_INFO_SCALE:
973 mutex_lock(&data->mutex);
974 ret = kxcjk1013_set_scale(data, val2);
975 mutex_unlock(&data->mutex);
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,
991 struct kxcjk1013_data *data = iio_priv(indio_dev);
995 case IIO_EV_INFO_VALUE:
996 *val = data->wake_thres;
998 case IIO_EV_INFO_PERIOD:
999 *val = data->wake_dur;
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,
1015 struct kxcjk1013_data *data = iio_priv(indio_dev);
1017 if (data->ev_enable_state)
1021 case IIO_EV_INFO_VALUE:
1022 data->wake_thres = val;
1024 case IIO_EV_INFO_PERIOD:
1025 data->wake_dur = val;
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)
1039 struct kxcjk1013_data *data = iio_priv(indio_dev);
1041 return data->ev_enable_state;
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,
1050 struct kxcjk1013_data *data = iio_priv(indio_dev);
1053 if (state && data->ev_enable_state)
1056 mutex_lock(&data->mutex);
1058 if (!state && data->motion_trigger_on) {
1059 data->ev_enable_state = 0;
1060 mutex_unlock(&data->mutex);
1065 * We will expect the enable and disable to do operation in
1066 * in 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
1073 ret = kxcjk1013_set_power_state(data, state);
1075 mutex_unlock(&data->mutex);
1079 ret = kxcjk1013_setup_any_motion_interrupt(data, state);
1081 kxcjk1013_set_power_state(data, false);
1082 data->ev_enable_state = 0;
1083 mutex_unlock(&data->mutex);
1087 data->ev_enable_state = state;
1088 mutex_unlock(&data->mutex);
1093 static int kxcjk1013_buffer_preenable(struct iio_dev *indio_dev)
1095 struct kxcjk1013_data *data = iio_priv(indio_dev);
1097 return kxcjk1013_set_power_state(data, true);
1100 static int kxcjk1013_buffer_postdisable(struct iio_dev *indio_dev)
1102 struct kxcjk1013_data *data = iio_priv(indio_dev);
1104 return kxcjk1013_set_power_state(data, false);
1107 static ssize_t kxcjk1013_get_samp_freq_avail(struct device *dev,
1108 struct device_attribute *attr,
1111 struct iio_dev *indio_dev = dev_to_iio_dev(dev);
1112 struct kxcjk1013_data *data = iio_priv(indio_dev);
1115 if (data->chipset == KXTF9)
1116 str = kxtf9_samp_freq_avail;
1118 str = kxcjk1013_samp_freq_avail;
1120 return sprintf(buf, "%s\n", str);
1123 static IIO_DEVICE_ATTR(in_accel_sampling_frequency_available, S_IRUGO,
1124 kxcjk1013_get_samp_freq_avail, NULL, 0);
1126 static IIO_CONST_ATTR(in_accel_scale_available, "0.009582 0.019163 0.038326");
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,
1134 static const struct attribute_group kxcjk1013_attrs_group = {
1135 .attrs = kxcjk1013_attributes,
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)
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)
1150 struct kxcjk1013_data *data = iio_priv(indio_dev);
1152 return &data->orientation;
1155 static const struct iio_chan_spec_ext_info kxcjk1013_ext_info[] = {
1156 IIO_MOUNT_MATRIX(IIO_SHARED_BY_TYPE, kxcjk1013_get_mount_matrix),
1160 #define KXCJK1013_CHANNEL(_axis) { \
1161 .type = IIO_ACCEL, \
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, \
1171 .storagebits = 16, \
1173 .endianness = IIO_LE, \
1175 .event_spec = &kxcjk1013_event, \
1176 .ext_info = kxcjk1013_ext_info, \
1177 .num_event_specs = 1 \
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),
1187 static const struct iio_buffer_setup_ops kxcjk1013_buffer_setup_ops = {
1188 .preenable = kxcjk1013_buffer_preenable,
1189 .postdisable = kxcjk1013_buffer_postdisable,
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,
1202 static const unsigned long kxcjk1013_scan_masks[] = {0x7, 0};
1204 static irqreturn_t kxcjk1013_trigger_handler(int irq, void *p)
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);
1211 mutex_lock(&data->mutex);
1212 ret = i2c_smbus_read_i2c_block_data_or_emulated(data->client,
1213 KXCJK1013_REG_XOUT_L,
1215 (u8 *)data->scan.chans);
1216 mutex_unlock(&data->mutex);
1220 iio_push_to_buffers_with_timestamp(indio_dev, &data->scan,
1223 iio_trigger_notify_done(indio_dev->trig);
1228 static void kxcjk1013_trig_reen(struct iio_trigger *trig)
1230 struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig);
1231 struct kxcjk1013_data *data = iio_priv(indio_dev);
1234 ret = i2c_smbus_read_byte_data(data->client, data->regs->int_rel);
1236 dev_err(&data->client->dev, "Error reading reg_int_rel\n");
1239 static int kxcjk1013_data_rdy_trigger_set_state(struct iio_trigger *trig,
1242 struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig);
1243 struct kxcjk1013_data *data = iio_priv(indio_dev);
1246 mutex_lock(&data->mutex);
1248 if (!state && data->ev_enable_state && data->motion_trigger_on) {
1249 data->motion_trigger_on = false;
1250 mutex_unlock(&data->mutex);
1254 ret = kxcjk1013_set_power_state(data, state);
1256 mutex_unlock(&data->mutex);
1259 if (data->motion_trig == trig)
1260 ret = kxcjk1013_setup_any_motion_interrupt(data, state);
1262 ret = kxcjk1013_setup_new_data_interrupt(data, state);
1264 kxcjk1013_set_power_state(data, false);
1265 mutex_unlock(&data->mutex);
1268 if (data->motion_trig == trig)
1269 data->motion_trigger_on = state;
1271 data->dready_trigger_on = state;
1273 mutex_unlock(&data->mutex);
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,
1283 static void kxcjk1013_report_motion_event(struct iio_dev *indio_dev)
1285 struct kxcjk1013_data *data = iio_priv(indio_dev);
1287 int ret = i2c_smbus_read_byte_data(data->client, data->regs->int_src2);
1289 dev_err(&data->client->dev, "Error reading reg_int_src2\n");
1293 if (ret & KXCJK1013_REG_INT_SRC2_BIT_XN)
1294 iio_push_event(indio_dev,
1295 IIO_MOD_EVENT_CODE(IIO_ACCEL,
1299 IIO_EV_DIR_FALLING),
1302 if (ret & KXCJK1013_REG_INT_SRC2_BIT_XP)
1303 iio_push_event(indio_dev,
1304 IIO_MOD_EVENT_CODE(IIO_ACCEL,
1311 if (ret & KXCJK1013_REG_INT_SRC2_BIT_YN)
1312 iio_push_event(indio_dev,
1313 IIO_MOD_EVENT_CODE(IIO_ACCEL,
1317 IIO_EV_DIR_FALLING),
1320 if (ret & KXCJK1013_REG_INT_SRC2_BIT_YP)
1321 iio_push_event(indio_dev,
1322 IIO_MOD_EVENT_CODE(IIO_ACCEL,
1329 if (ret & KXCJK1013_REG_INT_SRC2_BIT_ZN)
1330 iio_push_event(indio_dev,
1331 IIO_MOD_EVENT_CODE(IIO_ACCEL,
1335 IIO_EV_DIR_FALLING),
1338 if (ret & KXCJK1013_REG_INT_SRC2_BIT_ZP)
1339 iio_push_event(indio_dev,
1340 IIO_MOD_EVENT_CODE(IIO_ACCEL,
1348 static irqreturn_t kxcjk1013_event_handler(int irq, void *private)
1350 struct iio_dev *indio_dev = private;
1351 struct kxcjk1013_data *data = iio_priv(indio_dev);
1354 ret = i2c_smbus_read_byte_data(data->client, data->regs->int_src1);
1356 dev_err(&data->client->dev, "Error reading reg_int_src1\n");
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,
1365 IIO_MOD_X_AND_Y_AND_Z,
1370 kxcjk1013_report_motion_event(indio_dev);
1374 if (data->dready_trigger_on)
1377 ret = i2c_smbus_read_byte_data(data->client, data->regs->int_rel);
1379 dev_err(&data->client->dev, "Error reading reg_int_rel\n");
1384 static irqreturn_t kxcjk1013_data_rdy_trig_poll(int irq, void *private)
1386 struct iio_dev *indio_dev = private;
1387 struct kxcjk1013_data *data = iio_priv(indio_dev);
1389 data->timestamp = iio_get_time_ns(indio_dev);
1391 if (data->dready_trigger_on)
1392 iio_trigger_poll(data->dready_trig);
1393 else if (data->motion_trigger_on)
1394 iio_trigger_poll(data->motion_trig);
1396 if (data->ev_enable_state)
1397 return IRQ_WAKE_THREAD;
1402 static const char *kxcjk1013_match_acpi_device(struct device *dev,
1403 enum kx_chipset *chipset,
1404 enum kx_acpi_type *acpi_type,
1407 const struct acpi_device_id *id;
1409 id = acpi_match_device(dev->driver->acpi_match_table, dev);
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";
1422 *chipset = (enum kx_chipset)id->driver_data;
1424 return dev_name(dev);
1427 static void kxcjk1013_disable_regulators(void *d)
1429 struct kxcjk1013_data *data = d;
1431 regulator_bulk_disable(ARRAY_SIZE(data->regulators), data->regulators);
1434 static int kxcjk1013_probe(struct i2c_client *client,
1435 const struct i2c_device_id *id)
1437 struct kxcjk1013_data *data;
1438 struct iio_dev *indio_dev;
1439 struct kxcjk_1013_platform_data *pdata;
1443 indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
1447 data = iio_priv(indio_dev);
1448 i2c_set_clientdata(client, indio_dev);
1449 data->client = client;
1451 pdata = dev_get_platdata(&client->dev);
1453 data->active_high_intr = pdata->active_high_intr;
1454 data->orientation = pdata->orientation;
1456 data->active_high_intr = true; /* default polarity */
1458 ret = iio_read_mount_matrix(&client->dev, &data->orientation);
1463 data->regulators[0].supply = "vdd";
1464 data->regulators[1].supply = "vddio";
1465 ret = devm_regulator_bulk_get(&client->dev, ARRAY_SIZE(data->regulators),
1468 return dev_err_probe(&client->dev, ret, "Failed to get regulators\n");
1470 ret = regulator_bulk_enable(ARRAY_SIZE(data->regulators),
1475 ret = devm_add_action_or_reset(&client->dev, kxcjk1013_disable_regulators, data);
1480 * A typical delay of 10ms is required for powering up
1481 * according to the data sheets of supported chips.
1482 * Hence double that to play safe.
1487 data->chipset = (enum kx_chipset)(id->driver_data);
1489 } else if (ACPI_HANDLE(&client->dev)) {
1490 name = kxcjk1013_match_acpi_device(&client->dev,
1497 switch (data->chipset) {
1501 data->regs = &kxcjk1013_regs;
1504 data->regs = &kxtf9_regs;
1507 data->regs = &kx0231025_regs;
1513 ret = kxcjk1013_chip_init(data);
1517 mutex_init(&data->mutex);
1519 indio_dev->channels = kxcjk1013_channels;
1520 indio_dev->num_channels = ARRAY_SIZE(kxcjk1013_channels);
1521 indio_dev->available_scan_masks = kxcjk1013_scan_masks;
1522 indio_dev->name = name;
1523 indio_dev->modes = INDIO_DIRECT_MODE;
1524 indio_dev->info = &kxcjk1013_info;
1526 if (client->irq > 0 && data->acpi_type != ACPI_SMO8500) {
1527 ret = devm_request_threaded_irq(&client->dev, client->irq,
1528 kxcjk1013_data_rdy_trig_poll,
1529 kxcjk1013_event_handler,
1530 IRQF_TRIGGER_RISING,
1536 data->dready_trig = devm_iio_trigger_alloc(&client->dev,
1539 iio_device_id(indio_dev));
1540 if (!data->dready_trig) {
1545 data->motion_trig = devm_iio_trigger_alloc(&client->dev,
1546 "%s-any-motion-dev%d",
1548 iio_device_id(indio_dev));
1549 if (!data->motion_trig) {
1554 data->dready_trig->ops = &kxcjk1013_trigger_ops;
1555 iio_trigger_set_drvdata(data->dready_trig, indio_dev);
1556 indio_dev->trig = data->dready_trig;
1557 iio_trigger_get(indio_dev->trig);
1558 ret = iio_trigger_register(data->dready_trig);
1562 data->motion_trig->ops = &kxcjk1013_trigger_ops;
1563 iio_trigger_set_drvdata(data->motion_trig, indio_dev);
1564 ret = iio_trigger_register(data->motion_trig);
1566 data->motion_trig = NULL;
1567 goto err_trigger_unregister;
1571 ret = iio_triggered_buffer_setup(indio_dev,
1572 &iio_pollfunc_store_time,
1573 kxcjk1013_trigger_handler,
1574 &kxcjk1013_buffer_setup_ops);
1576 dev_err(&client->dev, "iio triggered buffer setup failed\n");
1577 goto err_trigger_unregister;
1580 ret = pm_runtime_set_active(&client->dev);
1582 goto err_buffer_cleanup;
1584 pm_runtime_enable(&client->dev);
1585 pm_runtime_set_autosuspend_delay(&client->dev,
1586 KXCJK1013_SLEEP_DELAY_MS);
1587 pm_runtime_use_autosuspend(&client->dev);
1589 ret = iio_device_register(indio_dev);
1591 dev_err(&client->dev, "unable to register iio device\n");
1592 goto err_buffer_cleanup;
1598 if (data->dready_trig)
1599 iio_triggered_buffer_cleanup(indio_dev);
1600 err_trigger_unregister:
1601 if (data->dready_trig)
1602 iio_trigger_unregister(data->dready_trig);
1603 if (data->motion_trig)
1604 iio_trigger_unregister(data->motion_trig);
1606 kxcjk1013_set_mode(data, STANDBY);
1611 static int kxcjk1013_remove(struct i2c_client *client)
1613 struct iio_dev *indio_dev = i2c_get_clientdata(client);
1614 struct kxcjk1013_data *data = iio_priv(indio_dev);
1616 iio_device_unregister(indio_dev);
1618 pm_runtime_disable(&client->dev);
1619 pm_runtime_set_suspended(&client->dev);
1621 if (data->dready_trig) {
1622 iio_triggered_buffer_cleanup(indio_dev);
1623 iio_trigger_unregister(data->dready_trig);
1624 iio_trigger_unregister(data->motion_trig);
1627 mutex_lock(&data->mutex);
1628 kxcjk1013_set_mode(data, STANDBY);
1629 mutex_unlock(&data->mutex);
1634 #ifdef CONFIG_PM_SLEEP
1635 static int kxcjk1013_suspend(struct device *dev)
1637 struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
1638 struct kxcjk1013_data *data = iio_priv(indio_dev);
1641 mutex_lock(&data->mutex);
1642 ret = kxcjk1013_set_mode(data, STANDBY);
1643 mutex_unlock(&data->mutex);
1648 static int kxcjk1013_resume(struct device *dev)
1650 struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
1651 struct kxcjk1013_data *data = iio_priv(indio_dev);
1654 mutex_lock(&data->mutex);
1655 ret = kxcjk1013_set_mode(data, OPERATION);
1657 ret = kxcjk1013_set_range(data, data->range);
1658 mutex_unlock(&data->mutex);
1665 static int kxcjk1013_runtime_suspend(struct device *dev)
1667 struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
1668 struct kxcjk1013_data *data = iio_priv(indio_dev);
1671 ret = kxcjk1013_set_mode(data, STANDBY);
1673 dev_err(&data->client->dev, "powering off device failed\n");
1679 static int kxcjk1013_runtime_resume(struct device *dev)
1681 struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
1682 struct kxcjk1013_data *data = iio_priv(indio_dev);
1686 ret = kxcjk1013_set_mode(data, OPERATION);
1690 sleep_val = kxcjk1013_get_startup_times(data);
1691 if (sleep_val < 20000)
1692 usleep_range(sleep_val, 20000);
1694 msleep_interruptible(sleep_val/1000);
1700 static const struct dev_pm_ops kxcjk1013_pm_ops = {
1701 SET_SYSTEM_SLEEP_PM_OPS(kxcjk1013_suspend, kxcjk1013_resume)
1702 SET_RUNTIME_PM_OPS(kxcjk1013_runtime_suspend,
1703 kxcjk1013_runtime_resume, NULL)
1706 static const struct acpi_device_id kx_acpi_match[] = {
1707 {"KXCJ1013", KXCJK1013},
1708 {"KXCJ1008", KXCJ91008},
1709 {"KXCJ9000", KXCJ91008},
1710 {"KIOX0008", KXCJ91008},
1711 {"KIOX0009", KXTJ21009},
1712 {"KIOX000A", KXCJ91008},
1713 {"KIOX010A", KXCJ91008}, /* KXCJ91008 in the display of a yoga 2-in-1 */
1714 {"KIOX020A", KXCJ91008}, /* KXCJ91008 in the base of a yoga 2-in-1 */
1715 {"KXTJ1009", KXTJ21009},
1716 {"KXJ2109", KXTJ21009},
1717 {"SMO8500", KXCJ91008},
1720 MODULE_DEVICE_TABLE(acpi, kx_acpi_match);
1722 static const struct i2c_device_id kxcjk1013_id[] = {
1723 {"kxcjk1013", KXCJK1013},
1724 {"kxcj91008", KXCJ91008},
1725 {"kxtj21009", KXTJ21009},
1727 {"kx023-1025", KX0231025},
1728 {"SMO8500", KXCJ91008},
1732 MODULE_DEVICE_TABLE(i2c, kxcjk1013_id);
1734 static const struct of_device_id kxcjk1013_of_match[] = {
1735 { .compatible = "kionix,kxcjk1013", },
1736 { .compatible = "kionix,kxcj91008", },
1737 { .compatible = "kionix,kxtj21009", },
1738 { .compatible = "kionix,kxtf9", },
1739 { .compatible = "kionix,kx023-1025", },
1742 MODULE_DEVICE_TABLE(of, kxcjk1013_of_match);
1744 static struct i2c_driver kxcjk1013_driver = {
1746 .name = KXCJK1013_DRV_NAME,
1747 .acpi_match_table = ACPI_PTR(kx_acpi_match),
1748 .of_match_table = kxcjk1013_of_match,
1749 .pm = &kxcjk1013_pm_ops,
1751 .probe = kxcjk1013_probe,
1752 .remove = kxcjk1013_remove,
1753 .id_table = kxcjk1013_id,
1755 module_i2c_driver(kxcjk1013_driver);
1757 MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
1758 MODULE_LICENSE("GPL v2");
1759 MODULE_DESCRIPTION("KXCJK1013 accelerometer driver");