kxcjk-1013.c revision 1a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90
11a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada/* 21a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * KXCJK-1013 3-axis accelerometer driver 31a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * Copyright (c) 2014, Intel Corporation. 41a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * 51a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * This program is free software; you can redistribute it and/or modify it 61a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * under the terms and conditions of the GNU General Public License, 71a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * version 2, as published by the Free Software Foundation. 81a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * 91a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * This program is distributed in the hope it will be useful, but WITHOUT 101a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 111a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 121a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * more details. 131a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada */ 141a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 151a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/module.h> 161a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/i2c.h> 171a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/interrupt.h> 181a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/delay.h> 191a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/bitops.h> 201a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/slab.h> 211a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/string.h> 221a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/acpi.h> 231a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/gpio/consumer.h> 241a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/iio/iio.h> 251a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/iio/sysfs.h> 261a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/iio/buffer.h> 271a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/iio/trigger.h> 281a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/iio/trigger_consumer.h> 291a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/iio/triggered_buffer.h> 301a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/iio/accel/kxcjk_1013.h> 311a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 321a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_DRV_NAME "kxcjk1013" 331a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_IRQ_NAME "kxcjk1013_event" 341a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 351a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_XOUT_L 0x06 361a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada/* 371a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * From low byte X axis register, all the other addresses of Y and Z can be 381a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * obtained by just applying axis offset. The following axis defines are just 391a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * provide clarity, but not used. 401a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada */ 411a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_XOUT_H 0x07 421a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_YOUT_L 0x08 431a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_YOUT_H 0x09 441a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_ZOUT_L 0x0A 451a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_ZOUT_H 0x0B 461a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 471a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_DCST_RESP 0x0C 481a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_WHO_AM_I 0x0F 491a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_INT_SRC1 0x16 501a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_INT_SRC2 0x17 511a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_STATUS_REG 0x18 521a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_INT_REL 0x1A 531a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_CTRL1 0x1B 541a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_CTRL2 0x1D 551a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_INT_CTRL1 0x1E 561a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_INT_CTRL2 0x1F 571a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_DATA_CTRL 0x21 581a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_WAKE_TIMER 0x29 591a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_SELF_TEST 0x3A 601a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_WAKE_THRES 0x6A 611a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 621a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_CTRL1_BIT_PC1 BIT(7) 631a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_CTRL1_BIT_RES BIT(6) 641a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_CTRL1_BIT_DRDY BIT(5) 651a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_CTRL1_BIT_GSEL1 BIT(4) 661a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_CTRL1_BIT_GSEL0 BIT(3) 671a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_CTRL1_BIT_WUFE BIT(1) 681a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_INT_REG1_BIT_IEA BIT(4) 691a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_INT_REG1_BIT_IEN BIT(5) 701a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 711a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_DATA_MASK_12_BIT 0x0FFF 721a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_MAX_STARTUP_TIME_US 100000 731a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 741a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastruct kxcjk1013_data { 751a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct i2c_client *client; 761a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct iio_trigger *trig; 771a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada bool trig_mode; 781a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct mutex mutex; 791a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada s16 buffer[8]; 801a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int power_state; 811a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada u8 odr_bits; 821a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada bool active_high_intr; 831a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada}; 841a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 851a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadaenum kxcjk1013_axis { 861a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada AXIS_X, 871a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada AXIS_Y, 881a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada AXIS_Z, 891a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada}; 901a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 911a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadaenum kxcjk1013_mode { 921a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada STANDBY, 931a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada OPERATION, 941a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada}; 951a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 961a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic const struct { 971a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int val; 981a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int val2; 991a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int odr_bits; 1001a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} samp_freq_table[] = { {0, 781000, 0x08}, {1, 563000, 0x09}, 1011a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada {3, 125000, 0x0A}, {6, 25000, 0x0B}, {12, 5000, 0}, 1021a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada {25, 0, 0x01}, {50, 0, 0x02}, {100, 0, 0x03}, 1031a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada {200, 0, 0x04}, {400, 0, 0x05}, {800, 0, 0x06}, 1041a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada {1600, 0, 0x07} }; 1051a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 1061a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada/* Refer to section 4 of the specification */ 1071a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic const struct { 1081a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int odr_bits; 1091a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int usec; 1101a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} odr_start_up_times[] = { {0x08, 100000}, {0x09, 100000}, {0x0A, 100000}, 1111a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada {0x0B, 100000}, { 0, 80000}, {0x01, 41000}, 1121a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada {0x02, 21000}, {0x03, 11000}, {0x04, 6400}, 1131a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada {0x05, 3900}, {0x06, 2700}, {0x07, 2100} }; 1141a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 1151a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_set_mode(struct kxcjk1013_data *data, 1161a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada enum kxcjk1013_mode mode) 1171a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 1181a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int ret; 1191a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 1201a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_CTRL1); 1211a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 1221a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error reading reg_ctrl1\n"); 1231a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 1241a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 1251a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 1261a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (mode == STANDBY) 1271a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret &= ~KXCJK1013_REG_CTRL1_BIT_PC1; 1281a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada else 1291a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret |= KXCJK1013_REG_CTRL1_BIT_PC1; 1301a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 1311a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_write_byte_data(data->client, 1321a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada KXCJK1013_REG_CTRL1, ret); 1331a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 1341a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error writing reg_ctrl1\n"); 1351a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 1361a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 1371a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 1381a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return 0; 1391a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 1401a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 1411a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_chip_ack_intr(struct kxcjk1013_data *data) 1421a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 1431a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int ret; 1441a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 1451a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_INT_REL); 1461a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 1471a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error writing reg_int_rel\n"); 1481a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 1491a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 1501a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 1511a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 1521a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 1531a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 1541a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_chip_init(struct kxcjk1013_data *data) 1551a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 1561a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int ret; 1571a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 1581a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_WHO_AM_I); 1591a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 1601a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error reading who_am_i\n"); 1611a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 1621a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 1631a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 1641a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_dbg(&data->client->dev, "KXCJK1013 Chip Id %x\n", ret); 1651a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 1661a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = kxcjk1013_set_mode(data, STANDBY); 1671a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) 1681a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 1691a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 1701a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_CTRL1); 1711a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 1721a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error reading reg_ctrl1\n"); 1731a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 1741a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 1751a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 1761a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada /* Setting range to 4G */ 1771a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret |= KXCJK1013_REG_CTRL1_BIT_GSEL0; 1781a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret &= ~KXCJK1013_REG_CTRL1_BIT_GSEL1; 1791a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 1801a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada /* Set 12 bit mode */ 1811a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret |= KXCJK1013_REG_CTRL1_BIT_RES; 1821a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 1831a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_write_byte_data(data->client, KXCJK1013_REG_CTRL1, 1841a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret); 1851a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 1861a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error reading reg_ctrl\n"); 1871a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 1881a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 1891a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 1901a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_DATA_CTRL); 1911a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 1921a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error reading reg_data_ctrl\n"); 1931a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 1941a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 1951a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 1961a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada data->odr_bits = ret; 1971a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 1981a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada /* Set up INT polarity */ 1991a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_INT_CTRL1); 2001a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 2011a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error reading reg_int_ctrl1\n"); 2021a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 2031a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 2041a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2051a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (data->active_high_intr) 2061a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret |= KXCJK1013_REG_INT_REG1_BIT_IEA; 2071a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada else 2081a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret &= ~KXCJK1013_REG_INT_REG1_BIT_IEA; 2091a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2101a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_write_byte_data(data->client, KXCJK1013_REG_INT_CTRL1, 2111a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret); 2121a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 2131a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error writing reg_int_ctrl1\n"); 2141a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 2151a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 2161a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2171a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return 0; 2181a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 2191a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2201a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_chip_setup_interrupt(struct kxcjk1013_data *data, 2211a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada bool status) 2221a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 2231a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int ret; 2241a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2251a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada /* This is requirement by spec to change state to STANDBY */ 2261a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = kxcjk1013_set_mode(data, STANDBY); 2271a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) 2281a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 2291a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2301a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_INT_CTRL1); 2311a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 2321a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error reading reg_int_ctrl1\n"); 2331a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 2341a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 2351a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2361a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (status) 2371a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret |= KXCJK1013_REG_INT_REG1_BIT_IEN; 2381a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada else 2391a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret &= ~KXCJK1013_REG_INT_REG1_BIT_IEN; 2401a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2411a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_write_byte_data(data->client, KXCJK1013_REG_INT_CTRL1, 2421a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret); 2431a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 2441a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error writing reg_int_ctrl1\n"); 2451a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 2461a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 2471a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2481a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_CTRL1); 2491a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 2501a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error reading reg_ctrl1\n"); 2511a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 2521a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 2531a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2541a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (status) 2551a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret |= KXCJK1013_REG_CTRL1_BIT_DRDY; 2561a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada else 2571a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret &= ~KXCJK1013_REG_CTRL1_BIT_DRDY; 2581a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2591a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_write_byte_data(data->client, 2601a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada KXCJK1013_REG_CTRL1, ret); 2611a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 2621a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error writing reg_ctrl1\n"); 2631a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 2641a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 2651a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2661a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 2671a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 2681a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2691a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_convert_freq_to_bit(int val, int val2) 2701a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 2711a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int i; 2721a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2731a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada for (i = 0; i < ARRAY_SIZE(samp_freq_table); ++i) { 2741a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (samp_freq_table[i].val == val && 2751a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada samp_freq_table[i].val2 == val2) { 2761a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return samp_freq_table[i].odr_bits; 2771a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 2781a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 2791a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2801a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return -EINVAL; 2811a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 2821a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2831a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_set_odr(struct kxcjk1013_data *data, int val, int val2) 2841a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 2851a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int ret; 2861a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int odr_bits; 2871a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2881a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada odr_bits = kxcjk1013_convert_freq_to_bit(val, val2); 2891a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (odr_bits < 0) 2901a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return odr_bits; 2911a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2921a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada /* To change ODR, the chip must be set to STANDBY as per spec */ 2931a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = kxcjk1013_set_mode(data, STANDBY); 2941a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) 2951a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 2961a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2971a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_write_byte_data(data->client, KXCJK1013_REG_DATA_CTRL, 2981a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada odr_bits); 2991a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 3001a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error writing data_ctrl\n"); 3011a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 3021a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 3031a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3041a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada data->odr_bits = odr_bits; 3051a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3061a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada /* Check, if the ODR is changed after data enable */ 3071a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (data->power_state) { 3081a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada /* Set the state back to operation */ 3091a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = kxcjk1013_set_mode(data, OPERATION); 3101a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) 3111a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 3121a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 3131a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3141a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return 0; 3151a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 3161a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3171a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_get_odr(struct kxcjk1013_data *data, int *val, int *val2) 3181a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 3191a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int i; 3201a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3211a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada for (i = 0; i < ARRAY_SIZE(samp_freq_table); ++i) { 3221a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (samp_freq_table[i].odr_bits == data->odr_bits) { 3231a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada *val = samp_freq_table[i].val; 3241a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada *val2 = samp_freq_table[i].val2; 3251a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return IIO_VAL_INT_PLUS_MICRO; 3261a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 3271a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 3281a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3291a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return -EINVAL; 3301a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 3311a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3321a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_get_acc_reg(struct kxcjk1013_data *data, int axis) 3331a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 3341a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada u8 reg = KXCJK1013_REG_XOUT_L + axis * 2; 3351a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int ret; 3361a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3371a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_read_word_data(data->client, reg); 3381a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 3391a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, 3401a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada "failed to read accel_%c registers\n", 'x' + axis); 3411a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 3421a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 3431a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3441a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 3451a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 3461a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3471a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_get_startup_times(struct kxcjk1013_data *data) 3481a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 3491a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int i; 3501a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3511a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada for (i = 0; i < ARRAY_SIZE(odr_start_up_times); ++i) { 3521a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (odr_start_up_times[i].odr_bits == data->odr_bits) 3531a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return odr_start_up_times[i].usec; 3541a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 3551a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3561a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return KXCJK1013_MAX_STARTUP_TIME_US; 3571a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 3581a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3591a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_read_raw(struct iio_dev *indio_dev, 3601a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct iio_chan_spec const *chan, int *val, 3611a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int *val2, long mask) 3621a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 3631a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct kxcjk1013_data *data = iio_priv(indio_dev); 3641a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int ret; 3651a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3661a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada switch (mask) { 3671a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada case IIO_CHAN_INFO_RAW: 3681a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_lock(&data->mutex); 3691a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (iio_buffer_enabled(indio_dev)) 3701a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = -EBUSY; 3711a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada else { 3721a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int sleep_val; 3731a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3741a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = kxcjk1013_set_mode(data, OPERATION); 3751a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) 3761a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 3771a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ++data->power_state; 3781a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada sleep_val = kxcjk1013_get_startup_times(data); 3791a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (sleep_val < 20000) 3801a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada usleep_range(sleep_val, 20000); 3811a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada else 3821a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada msleep_interruptible(sleep_val/1000); 3831a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = kxcjk1013_get_acc_reg(data, chan->scan_index); 3841a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (--data->power_state == 0) 3851a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada kxcjk1013_set_mode(data, STANDBY); 3861a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 3871a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_unlock(&data->mutex); 3881a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3891a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) 3901a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 3911a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3921a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada *val = sign_extend32(ret >> 4, 11); 3931a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return IIO_VAL_INT; 3941a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3951a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada case IIO_CHAN_INFO_SCALE: 3961a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada *val = 0; 3971a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada *val2 = 19163; /* range +-4g (4/2047*9.806650) */ 3981a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return IIO_VAL_INT_PLUS_MICRO; 3991a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4001a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada case IIO_CHAN_INFO_SAMP_FREQ: 4011a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_lock(&data->mutex); 4021a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = kxcjk1013_get_odr(data, val, val2); 4031a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_unlock(&data->mutex); 4041a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 4051a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4061a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada default: 4071a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return -EINVAL; 4081a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 4091a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 4101a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4111a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_write_raw(struct iio_dev *indio_dev, 4121a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct iio_chan_spec const *chan, int val, 4131a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int val2, long mask) 4141a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 4151a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct kxcjk1013_data *data = iio_priv(indio_dev); 4161a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int ret; 4171a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4181a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada switch (mask) { 4191a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada case IIO_CHAN_INFO_SAMP_FREQ: 4201a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_lock(&data->mutex); 4211a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = kxcjk1013_set_odr(data, val, val2); 4221a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_unlock(&data->mutex); 4231a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada break; 4241a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada default: 4251a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = -EINVAL; 4261a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 4271a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4281a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 4291a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 4301a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4311a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_validate_trigger(struct iio_dev *indio_dev, 4321a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct iio_trigger *trig) 4331a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 4341a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct kxcjk1013_data *data = iio_priv(indio_dev); 4351a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4361a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (data->trig != trig) 4371a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return -EINVAL; 4381a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4391a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return 0; 4401a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 4411a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4421a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic IIO_CONST_ATTR_SAMP_FREQ_AVAIL( 4431a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada "0.781000 1.563000 3.125000 6.250000 12.500000 25 50 100 200 400 800 1600"); 4441a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4451a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic struct attribute *kxcjk1013_attributes[] = { 4461a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada &iio_const_attr_sampling_frequency_available.dev_attr.attr, 4471a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada NULL, 4481a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada}; 4491a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4501a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic const struct attribute_group kxcjk1013_attrs_group = { 4511a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .attrs = kxcjk1013_attributes, 4521a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada}; 4531a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4541a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_CHANNEL(_axis) { \ 4551a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .type = IIO_ACCEL, \ 4561a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .modified = 1, \ 4571a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .channel2 = IIO_MOD_##_axis, \ 4581a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ 4591a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE) | \ 4601a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada BIT(IIO_CHAN_INFO_SAMP_FREQ), \ 4611a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .scan_index = AXIS_##_axis, \ 4621a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .scan_type = { \ 4631a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .sign = 's', \ 4641a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .realbits = 12, \ 4651a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .storagebits = 16, \ 4661a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .shift = 4, \ 4671a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .endianness = IIO_LE, \ 4681a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada }, \ 4691a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 4701a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4711a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic const struct iio_chan_spec kxcjk1013_channels[] = { 4721a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada KXCJK1013_CHANNEL(X), 4731a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada KXCJK1013_CHANNEL(Y), 4741a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada KXCJK1013_CHANNEL(Z), 4751a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada IIO_CHAN_SOFT_TIMESTAMP(3), 4761a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada}; 4771a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4781a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic const struct iio_info kxcjk1013_info = { 4791a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .attrs = &kxcjk1013_attrs_group, 4801a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .read_raw = kxcjk1013_read_raw, 4811a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .write_raw = kxcjk1013_write_raw, 4821a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .validate_trigger = kxcjk1013_validate_trigger, 4831a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .driver_module = THIS_MODULE, 4841a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada}; 4851a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4861a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic irqreturn_t kxcjk1013_trigger_handler(int irq, void *p) 4871a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 4881a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct iio_poll_func *pf = p; 4891a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct iio_dev *indio_dev = pf->indio_dev; 4901a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct kxcjk1013_data *data = iio_priv(indio_dev); 4911a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int bit, ret, i = 0; 4921a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4931a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_lock(&data->mutex); 4941a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4951a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada for_each_set_bit(bit, indio_dev->buffer->scan_mask, 4961a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada indio_dev->masklength) { 4971a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = kxcjk1013_get_acc_reg(data, bit); 4981a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 4991a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada kxcjk1013_chip_ack_intr(data); 5001a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_unlock(&data->mutex); 5011a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada goto err; 5021a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 5031a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada data->buffer[i++] = ret; 5041a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 5051a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5061a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada kxcjk1013_chip_ack_intr(data); 5071a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5081a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_unlock(&data->mutex); 5091a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5101a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada iio_push_to_buffers_with_timestamp(indio_dev, data->buffer, 5111a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada pf->timestamp); 5121a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadaerr: 5131a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada iio_trigger_notify_done(indio_dev->trig); 5141a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5151a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return IRQ_HANDLED; 5161a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 5171a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5181a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_data_rdy_trigger_set_state(struct iio_trigger *trig, 5191a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada bool state) 5201a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 5211a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig); 5221a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct kxcjk1013_data *data = iio_priv(indio_dev); 5231a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5241a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_lock(&data->mutex); 5251a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (state) { 5261a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada kxcjk1013_chip_setup_interrupt(data, true); 5271a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada kxcjk1013_set_mode(data, OPERATION); 5281a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ++data->power_state; 5291a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } else { 5301a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (--data->power_state) 5311a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return 0; 5321a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada kxcjk1013_chip_setup_interrupt(data, false); 5331a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada kxcjk1013_set_mode(data, STANDBY); 5341a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 5351a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_unlock(&data->mutex); 5361a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5371a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return 0; 5381a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 5391a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5401a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic const struct iio_trigger_ops kxcjk1013_trigger_ops = { 5411a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .set_trigger_state = kxcjk1013_data_rdy_trigger_set_state, 5421a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .owner = THIS_MODULE, 5431a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada}; 5441a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5451a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_acpi_gpio_probe(struct i2c_client *client, 5461a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct kxcjk1013_data *data) 5471a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 5481a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada const struct acpi_device_id *id; 5491a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct device *dev; 5501a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct gpio_desc *gpio; 5511a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int ret; 5521a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5531a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (!client) 5541a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return -EINVAL; 5551a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5561a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev = &client->dev; 5571a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (!ACPI_HANDLE(dev)) 5581a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return -ENODEV; 5591a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5601a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada id = acpi_match_device(dev->driver->acpi_match_table, dev); 5611a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (!id) 5621a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return -ENODEV; 5631a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5641a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada /* data ready gpio interrupt pin */ 5651a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada gpio = devm_gpiod_get_index(dev, "kxcjk1013_int", 0); 5661a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (IS_ERR(gpio)) { 5671a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(dev, "acpi gpio get index failed\n"); 5681a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return PTR_ERR(gpio); 5691a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 5701a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5711a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = gpiod_direction_input(gpio); 5721a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret) 5731a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 5741a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5751a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = gpiod_to_irq(gpio); 5761a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5771a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_dbg(dev, "GPIO resource, no:%d irq:%d\n", desc_to_gpio(gpio), ret); 5781a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5791a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 5801a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 5811a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5821a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_probe(struct i2c_client *client, 5831a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada const struct i2c_device_id *id) 5841a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 5851a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct kxcjk1013_data *data; 5861a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct iio_dev *indio_dev; 5871a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct iio_trigger *trig = NULL; 5881a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct kxcjk_1013_platform_data *pdata; 5891a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int ret; 5901a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5911a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data)); 5921a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (!indio_dev) 5931a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return -ENOMEM; 5941a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5951a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada data = iio_priv(indio_dev); 5961a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada i2c_set_clientdata(client, indio_dev); 5971a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada data->client = client; 5981a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5991a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada pdata = dev_get_platdata(&client->dev); 6001a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (pdata) 6011a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada data->active_high_intr = pdata->active_high_intr; 6021a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada else 6031a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada data->active_high_intr = true; /* default polarity */ 6041a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6051a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = kxcjk1013_chip_init(data); 6061a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) 6071a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 6081a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6091a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_init(&data->mutex); 6101a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6111a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada indio_dev->dev.parent = &client->dev; 6121a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada indio_dev->channels = kxcjk1013_channels; 6131a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada indio_dev->num_channels = ARRAY_SIZE(kxcjk1013_channels); 6141a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada indio_dev->name = KXCJK1013_DRV_NAME; 6151a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada indio_dev->modes = INDIO_DIRECT_MODE; 6161a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada indio_dev->info = &kxcjk1013_info; 6171a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6181a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (client->irq < 0) 6191a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada client->irq = kxcjk1013_acpi_gpio_probe(client, data); 6201a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6211a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (client->irq >= 0) { 6221a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada trig = iio_trigger_alloc("%s-dev%d", indio_dev->name, 6231a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada indio_dev->id); 6241a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (!trig) 6251a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return -ENOMEM; 6261a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6271a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada data->trig_mode = true; 6281a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6291a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = devm_request_irq(&client->dev, client->irq, 6301a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada iio_trigger_generic_data_rdy_poll, 6311a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada IRQF_TRIGGER_RISING, 6321a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada KXCJK1013_IRQ_NAME, 6331a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada trig); 6341a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret) { 6351a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&client->dev, "unable to request IRQ\n"); 6361a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada goto err_trigger_free; 6371a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 6381a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6391a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada trig->dev.parent = &client->dev; 6401a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada trig->ops = &kxcjk1013_trigger_ops; 6411a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada iio_trigger_set_drvdata(trig, indio_dev); 6421a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada data->trig = trig; 6431a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada indio_dev->trig = trig; 6441a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6451a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = iio_trigger_register(trig); 6461a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret) 6471a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada goto err_trigger_free; 6481a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6491a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = iio_triggered_buffer_setup(indio_dev, 6501a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada &iio_pollfunc_store_time, 6511a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada kxcjk1013_trigger_handler, 6521a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada NULL); 6531a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 6541a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&client->dev, 6551a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada "iio triggered buffer setup failed\n"); 6561a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada goto err_trigger_unregister; 6571a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 6581a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 6591a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6601a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = devm_iio_device_register(&client->dev, indio_dev); 6611a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 6621a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&client->dev, "unable to register iio device\n"); 6631a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada goto err_buffer_cleanup; 6641a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 6651a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6661a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return 0; 6671a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6681a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadaerr_buffer_cleanup: 6691a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (data->trig_mode) 6701a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada iio_triggered_buffer_cleanup(indio_dev); 6711a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadaerr_trigger_unregister: 6721a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (data->trig_mode) 6731a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada iio_trigger_unregister(trig); 6741a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadaerr_trigger_free: 6751a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (data->trig_mode) 6761a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada iio_trigger_free(trig); 6771a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6781a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 6791a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 6801a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6811a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_remove(struct i2c_client *client) 6821a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 6831a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct iio_dev *indio_dev = i2c_get_clientdata(client); 6841a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct kxcjk1013_data *data = iio_priv(indio_dev); 6851a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6861a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (data->trig_mode) { 6871a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada iio_triggered_buffer_cleanup(indio_dev); 6881a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada iio_trigger_unregister(data->trig); 6891a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada iio_trigger_free(data->trig); 6901a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 6911a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6921a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_lock(&data->mutex); 6931a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada kxcjk1013_set_mode(data, STANDBY); 6941a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_unlock(&data->mutex); 6951a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6961a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return 0; 6971a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 6981a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6991a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#ifdef CONFIG_PM_SLEEP 7001a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_suspend(struct device *dev) 7011a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 7021a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev)); 7031a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct kxcjk1013_data *data = iio_priv(indio_dev); 7041a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7051a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_lock(&data->mutex); 7061a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada kxcjk1013_set_mode(data, STANDBY); 7071a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_unlock(&data->mutex); 7081a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7091a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return 0; 7101a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 7111a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7121a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_resume(struct device *dev) 7131a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 7141a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev)); 7151a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct kxcjk1013_data *data = iio_priv(indio_dev); 7161a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7171a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_lock(&data->mutex); 7181a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7191a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (data->power_state) 7201a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada kxcjk1013_set_mode(data, OPERATION); 7211a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7221a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_unlock(&data->mutex); 7231a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7241a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return 0; 7251a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 7261a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7271a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic SIMPLE_DEV_PM_OPS(kxcjk1013_pm_ops, kxcjk1013_suspend, kxcjk1013_resume); 7281a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_PM_OPS (&kxcjk1013_pm_ops) 7291a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#else 7301a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_PM_OPS NULL 7311a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#endif 7321a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7331a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic const struct acpi_device_id kx_acpi_match[] = { 7341a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada {"KXCJ1013", 0}, 7351a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada { }, 7361a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada}; 7371a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas PandruvadaMODULE_DEVICE_TABLE(acpi, kx_acpi_match); 7381a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7391a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic const struct i2c_device_id kxcjk1013_id[] = { 7401a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada {"kxcjk1013", 0}, 7411a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada {} 7421a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada}; 7431a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7441a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas PandruvadaMODULE_DEVICE_TABLE(i2c, kxcjk1013_id); 7451a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7461a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic struct i2c_driver kxcjk1013_driver = { 7471a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .driver = { 7481a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .name = KXCJK1013_DRV_NAME, 7491a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .acpi_match_table = ACPI_PTR(kx_acpi_match), 7501a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .pm = KXCJK1013_PM_OPS, 7511a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada }, 7521a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .probe = kxcjk1013_probe, 7531a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .remove = kxcjk1013_remove, 7541a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .id_table = kxcjk1013_id, 7551a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada}; 7561a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadamodule_i2c_driver(kxcjk1013_driver); 7571a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7581a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas PandruvadaMODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>"); 7591a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas PandruvadaMODULE_LICENSE("GPL v2"); 7601a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas PandruvadaMODULE_DESCRIPTION("KXCJK1013 accelerometer driver"); 761