From patchwork Mon Feb 12 11:54:59 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Himanshu Jha X-Patchwork-Id: 10212257 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 5A69560467 for ; Mon, 12 Feb 2018 11:56:21 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3AB2C28BBA for ; Mon, 12 Feb 2018 11:56:21 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2DF0E28C3B; Mon, 12 Feb 2018 11:56:21 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.0 required=2.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RCVD_IN_SBL_CSS, RCVD_IN_SORBS_WEB, T_DKIM_INVALID autolearn=no version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0522528BBA for ; Mon, 12 Feb 2018 11:56:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933211AbeBLL4F (ORCPT ); Mon, 12 Feb 2018 06:56:05 -0500 Received: from mail-io0-f196.google.com ([209.85.223.196]:43631 "EHLO mail-io0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934344AbeBLLzt (ORCPT ); Mon, 12 Feb 2018 06:55:49 -0500 Received: by mail-io0-f196.google.com with SMTP id 72so16956083iom.10; Mon, 12 Feb 2018 03:55:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=5fFX8bHzj/Hv3IacqumOGBhMtPj4S9Ev60gJUfQKeTc=; b=cnBiojmX1fiZ7gXVqaMoS5VmxamNOoOmpBSq/jnHgNJ6p45yCyGN+S1joh1QhjEJL1 8K672w1RNE4V3KMRJMnHCOzDaR9Nwmt7ud8uUDbFa/NikhxACGzJGktRc1TKhE5Ijpqp ME1C5VVmWn+zS7lKvFtml9yuPuX/MjL93ChCuhbdUI+DjazcrMXubxh2+Y3bQLzb8t3u BGyJTbOqDUySIsXH0TK5Kr1YHL09HfTnwxcE1pax3uB++7q2leoecx01gO8T8Y4BvpfH 3iL4XgYi7nnrj0NjdfGcAoKe5BRYEKg2j1G0fBXo70Z3Z9CLYXX1pHfEcBhmuR83lb9V d0yg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=5fFX8bHzj/Hv3IacqumOGBhMtPj4S9Ev60gJUfQKeTc=; b=Is7XnAPar+ZkYYZ17XUf2Fz+4CKSZVxZeWYtOHHO8F883eLkkqpjg40Di0GV3dYih8 ifrW6jwX8zg/acqMoGnhnv9SfnFk7O35BW8lR0/xMDOHEfXt2WW2BsTBPwJl2wWrji0+ dbTYnayif+l/XTCfeaZMVQ/6VVq9WOd6dlhKlhFw5xXPixHxfEE/i1W3+LW//7NdEP6Q qigpQbKnF9eBotmPy4OjqBoBamW2RAS5vPWNqdMYR30bnXI+rWnywz9mWBZmrCTGxavi rtsao7g2iMuhajzk0u4EPUqn5eHuK9gXdm1s6XjdaeW8Q1OcwwrBufy4+v1hI3j2Gj0G Xvkg== X-Gm-Message-State: APf1xPA/JXjRhUihCWtbeB/D2Ur4Aefnfc17nC9l2z04wxU0HM+bqEzy gb6ko2HmlGBBnGBPZ4AB4xg= X-Google-Smtp-Source: AH8x2251MowNkvlgXWNOIRH3V1Z476H6veUiM4ecE+tswRUUPgyk+qwhXc8N6IIUSGSJ578oE9ApnA== X-Received: by 10.107.88.4 with SMTP id m4mr12740065iob.278.1518436548040; Mon, 12 Feb 2018 03:55:48 -0800 (PST) Received: from localhost.localdomain ([103.46.193.14]) by smtp.gmail.com with ESMTPSA id n73sm10923915ioi.84.2018.02.12.03.55.41 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 12 Feb 2018 03:55:47 -0800 (PST) From: Himanshu Jha To: 21cnbao@gmail.com, jic23@kernel.org Cc: lars@metafoo.de, Michael.Hennerich@analog.com, knaack.h@gmx.de, pmeerw@pmeerw.net, gregkh@linuxfoundation.org, linux-iio@vger.kernel.org, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, Himanshu Jha Subject: [PATCH 4/4] staging: iio: accel: Move adis16201 driver out of staging Date: Mon, 12 Feb 2018 17:24:59 +0530 Message-Id: <1518436499-8584-5-git-send-email-himanshujha199640@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1518436499-8584-1-git-send-email-himanshujha199640@gmail.com> References: <1518436499-8584-1-git-send-email-himanshujha199640@gmail.com> Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Move the adis16201 driver out of staging directory and merge to the mainline IIO directory. Signed-off-by: Himanshu Jha --- drivers/iio/accel/Kconfig | 12 ++ drivers/iio/accel/Makefile | 1 + drivers/iio/accel/adis16201.c | 315 ++++++++++++++++++++++++++++++++++ drivers/staging/iio/accel/Kconfig | 12 -- drivers/staging/iio/accel/Makefile | 1 - drivers/staging/iio/accel/adis16201.c | 315 ---------------------------------- 6 files changed, 328 insertions(+), 328 deletions(-) create mode 100644 drivers/iio/accel/adis16201.c delete mode 100644 drivers/staging/iio/accel/adis16201.c diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig index c6d9517..9416c6f 100644 --- a/drivers/iio/accel/Kconfig +++ b/drivers/iio/accel/Kconfig @@ -5,6 +5,18 @@ menu "Accelerometers" +config ADIS16201 + tristate "Analog Devices ADIS16201 Dual-Axis Digital Inclinometer and Accelerometer" + depends on SPI + select IIO_ADIS_LIB + select IIO_ADIS_LIB_BUFFER if IIO_BUFFER + help + Say Y here to build support for Analog Devices adis16201 dual-axis + digital inclinometer and accelerometer. + + To compile this driver as a module, say M here: the module will + be called adis16201. + config ADXL345 tristate diff --git a/drivers/iio/accel/Makefile b/drivers/iio/accel/Makefile index 368aedb..7832ec9 100644 --- a/drivers/iio/accel/Makefile +++ b/drivers/iio/accel/Makefile @@ -4,6 +4,7 @@ # # When adding new entries keep the list in alphabetical order +obj-$(CONFIG_ADIS16201) += adis16201.o obj-$(CONFIG_ADXL345) += adxl345_core.o obj-$(CONFIG_ADXL345_I2C) += adxl345_i2c.o obj-$(CONFIG_ADXL345_SPI) += adxl345_spi.o diff --git a/drivers/iio/accel/adis16201.c b/drivers/iio/accel/adis16201.c new file mode 100644 index 0000000..6800347 --- /dev/null +++ b/drivers/iio/accel/adis16201.c @@ -0,0 +1,315 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * ADIS16201 Dual-Axis Digital Inclinometer and Accelerometer + * + * Copyright 2010 Analog Devices Inc. + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#define ADIS16201_STARTUP_DELAY_MS 220 +#define ADIS16201_FLASH_CNT_REG 0x00 + +/* Data Output Register Definitions */ +#define ADIS16201_SUPPLY_OUT_REG 0x02 +#define ADIS16201_XACCL_OUT_REG 0x04 +#define ADIS16201_YACCL_OUT_REG 0x06 +#define ADIS16201_AUX_ADC_REG 0x08 +#define ADIS16201_TEMP_OUT_REG 0x0A +#define ADIS16201_XINCL_OUT_REG 0x0C +#define ADIS16201_YINCL_OUT_REG 0x0E + +/* Calibration Register Definitions */ +#define ADIS16201_XACCL_OFFS_REG 0x10 +#define ADIS16201_YACCL_OFFS_REG 0x12 +#define ADIS16201_XACCL_SCALE_REG 0x14 +#define ADIS16201_YACCL_SCALE_REG 0x16 +#define ADIS16201_XINCL_OFFS_REG 0x18 +#define ADIS16201_YINCL_OFFS_REG 0x1A +#define ADIS16201_XINCL_SCALE_REG 0x1C +#define ADIS16201_YINCL_SCALE_REG 0x1E + +/* Alarm Register Definitions */ +#define ADIS16201_ALM_MAG1_REG 0x20 +#define ADIS16201_ALM_MAG2_REG 0x22 +#define ADIS16201_ALM_SMPL1_REG 0x24 +#define ADIS16201_ALM_SMPL2_REG 0x26 +#define ADIS16201_ALM_CTRL_REG 0x28 + +#define ADIS16201_AUX_DAC_REG 0x30 +#define ADIS16201_GPIO_CTRL_REG 0x32 +#define ADIS16201_SMPL_PRD_REG 0x36 +#define ADIS16201_AVG_CNT_REG 0x38 +#define ADIS16201_SLP_CNT_REG 0x3A + +/* MSC_CTRL */ +#define ADIS16201_MSC_CTRL_REG 0x34 +#define ADIS16201_MSC_CTRL_SELF_TEST_EN BIT(8) +#define ADIS16201_MSC_CTRL_DATA_RDY_EN BIT(2) +#define ADIS16201_MSC_CTRL_ACTIVE_HIGH BIT(1) +#define ADIS16201_MSC_CTRL_DATA_RDY_DIO1 BIT(0) + +/* DIAG_STAT */ +#define ADIS16201_DIAG_STAT_REG 0x3C +#define ADIS16201_DIAG_STAT_ALARM2 BIT(9) +#define ADIS16201_DIAG_STAT_ALARM1 BIT(8) +#define ADIS16201_DIAG_STAT_SPI_FAIL_BIT 3 +#define ADIS16201_DIAG_STAT_FLASH_UPT_BIT 2 +#define ADIS16201_DIAG_STAT_POWER_HIGH_BIT 1 +#define ADIS16201_DIAG_STAT_POWER_LOW_BIT 0 + +/* GLOB_CMD */ +#define ADIS16201_GLOB_CMD_REG 0x3E +#define ADIS16201_GLOB_CMD_SW_RESET BIT(7) +#define ADIS16201_GLOB_CMD_FACTORY_CAL BIT(1) + +#define ADIS16201_ERROR_ACTIVE BIT(14) + +enum adis16201_scan { + ADIS16201_SCAN_ACC_X, + ADIS16201_SCAN_ACC_Y, + ADIS16201_SCAN_INCLI_X, + ADIS16201_SCAN_INCLI_Y, + ADIS16201_SCAN_SUPPLY, + ADIS16201_SCAN_AUX_ADC, + ADIS16201_SCAN_TEMP, +}; + +static const u8 adis16201_addresses[] = { + [ADIS16201_SCAN_ACC_X] = ADIS16201_XACCL_OFFS_REG, + [ADIS16201_SCAN_ACC_Y] = ADIS16201_YACCL_OFFS_REG, + [ADIS16201_SCAN_INCLI_X] = ADIS16201_XINCL_OFFS_REG, + [ADIS16201_SCAN_INCLI_Y] = ADIS16201_YINCL_OFFS_REG, +}; + +static int adis16201_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int *val, int *val2, + long mask) +{ + struct adis *st = iio_priv(indio_dev); + int ret; + int bits; + u8 addr; + s16 val16; + + switch (mask) { + case IIO_CHAN_INFO_RAW: + return adis_single_conversion(indio_dev, chan, + ADIS16201_ERROR_ACTIVE, val); + case IIO_CHAN_INFO_SCALE: + switch (chan->type) { + case IIO_VOLTAGE: + switch (chan->channel) { + case 0: + *val = 1; + *val2 = 220000; + break; + case 1: + *val = 0; + *val2 = 610000; + break; + default: + return -EINVAL; + } + return IIO_VAL_INT_PLUS_MICRO; + case IIO_TEMP: + *val = -470; + *val2 = 0; + return IIO_VAL_INT_PLUS_MICRO; + case IIO_ACCEL: + *val = 0; + *val2 = IIO_G_TO_M_S_2(462400); + return IIO_VAL_INT_PLUS_NANO; + case IIO_INCLI: + *val = 0; + *val2 = 100000; + return IIO_VAL_INT_PLUS_MICRO; + default: + return -EINVAL; + } + break; + case IIO_CHAN_INFO_OFFSET: + *val = 25000 / -470 - 1278; + return IIO_VAL_INT; + case IIO_CHAN_INFO_CALIBBIAS: + switch (chan->type) { + case IIO_ACCEL: + bits = 12; + break; + case IIO_INCLI: + bits = 9; + break; + default: + return -EINVAL; + } + addr = adis16201_addresses[chan->scan_index]; + ret = adis_read_reg_16(st, addr, &val16); + if (ret) + return ret; + + *val = sign_extend32(val16, bits - 1); + return IIO_VAL_INT; + } + + return -EINVAL; +} + +static int adis16201_write_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int val, + int val2, + long mask) +{ + struct adis *st = iio_priv(indio_dev); + int bits; + s16 val16; + u8 addr; + + switch (mask) { + case IIO_CHAN_INFO_CALIBBIAS: + switch (chan->type) { + case IIO_ACCEL: + bits = 12; + break; + case IIO_INCLI: + bits = 9; + break; + default: + return -EINVAL; + } + val16 = val & ((1 << bits) - 1); + addr = adis16201_addresses[chan->scan_index]; + return adis_write_reg_16(st, addr, val16); + } + + return -EINVAL; +} + +static const struct iio_chan_spec adis16201_channels[] = { + ADIS_SUPPLY_CHAN(ADIS16201_SUPPLY_OUT_REG, ADIS16201_SCAN_SUPPLY, 0, 12), + ADIS_TEMP_CHAN(ADIS16201_TEMP_OUT_REG, ADIS16201_SCAN_TEMP, 0, 12), + ADIS_ACCEL_CHAN(X, ADIS16201_XACCL_OUT_REG, ADIS16201_SCAN_ACC_X, + BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14), + ADIS_ACCEL_CHAN(Y, ADIS16201_YACCL_OUT_REG, ADIS16201_SCAN_ACC_Y, + BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14), + ADIS_AUX_ADC_CHAN(ADIS16201_AUX_ADC_REG, ADIS16201_SCAN_AUX_ADC, 0, 12), + ADIS_INCLI_CHAN(X, ADIS16201_XINCL_OUT_REG, ADIS16201_SCAN_INCLI_X, + BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14), + ADIS_INCLI_CHAN(X, ADIS16201_YINCL_OUT_REG, ADIS16201_SCAN_INCLI_Y, + BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14), + IIO_CHAN_SOFT_TIMESTAMP(7) +}; + +static const struct iio_info adis16201_info = { + .read_raw = adis16201_read_raw, + .write_raw = adis16201_write_raw, + .update_scan_mode = adis_update_scan_mode, +}; + +static const char * const adis16201_status_error_msgs[] = { + [ADIS16201_DIAG_STAT_SPI_FAIL_BIT] = "SPI failure", + [ADIS16201_DIAG_STAT_FLASH_UPT_BIT] = "Flash update failed", + [ADIS16201_DIAG_STAT_POWER_HIGH_BIT] = "Power supply above 3.625V", + [ADIS16201_DIAG_STAT_POWER_LOW_BIT] = "Power supply below 3.15V", +}; + +static const struct adis_data adis16201_data = { + .read_delay = 20, + .msc_ctrl_reg = ADIS16201_MSC_CTRL_REG, + .glob_cmd_reg = ADIS16201_GLOB_CMD_REG, + .diag_stat_reg = ADIS16201_DIAG_STAT_REG, + + .self_test_mask = ADIS16201_MSC_CTRL_SELF_TEST_EN, + .self_test_no_autoclear = true, + .startup_delay = ADIS16201_STARTUP_DELAY_MS, + + .status_error_msgs = adis16201_status_error_msgs, + .status_error_mask = BIT(ADIS16201_DIAG_STAT_SPI_FAIL_BIT) | + BIT(ADIS16201_DIAG_STAT_FLASH_UPT_BIT) | + BIT(ADIS16201_DIAG_STAT_POWER_HIGH_BIT) | + BIT(ADIS16201_DIAG_STAT_POWER_LOW_BIT), +}; + +static int adis16201_probe(struct spi_device *spi) +{ + struct iio_dev *indio_dev; + struct adis *st; + int ret; + + indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st)); + if (!indio_dev) + return -ENOMEM; + + st = iio_priv(indio_dev); + spi_set_drvdata(spi, indio_dev); + + indio_dev->name = spi->dev.driver->name; + indio_dev->dev.parent = &spi->dev; + indio_dev->info = &adis16201_info; + + indio_dev->channels = adis16201_channels; + indio_dev->num_channels = ARRAY_SIZE(adis16201_channels); + indio_dev->modes = INDIO_DIRECT_MODE; + + ret = adis_init(st, indio_dev, spi, &adis16201_data); + if (ret) + return ret; + + ret = adis_setup_buffer_and_trigger(st, indio_dev, NULL); + if (ret) + return ret; + + /* Get the device into a sane initial state */ + ret = adis_initial_startup(st); + if (ret) + goto error_cleanup_buffer_trigger; + + ret = iio_device_register(indio_dev); + if (ret < 0) + goto error_cleanup_buffer_trigger; + + return 0; + +error_cleanup_buffer_trigger: + adis_cleanup_buffer_and_trigger(st, indio_dev); + + return ret; +} + +static int adis16201_remove(struct spi_device *spi) +{ + struct iio_dev *indio_dev = spi_get_drvdata(spi); + struct adis *st = iio_priv(indio_dev); + + iio_device_unregister(indio_dev); + adis_cleanup_buffer_and_trigger(st, indio_dev); + + return 0; +} + +static struct spi_driver adis16201_driver = { + .driver = { + .name = "adis16201", + }, + .probe = adis16201_probe, + .remove = adis16201_remove, +}; +module_spi_driver(adis16201_driver); + +MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>"); +MODULE_DESCRIPTION("Analog Devices ADIS16201 Dual-Axis Digital Inclinometer and Accelerometer"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("spi:adis16201"); diff --git a/drivers/staging/iio/accel/Kconfig b/drivers/staging/iio/accel/Kconfig index c6b0f5e..2f61e21 100644 --- a/drivers/staging/iio/accel/Kconfig +++ b/drivers/staging/iio/accel/Kconfig @@ -3,18 +3,6 @@ # menu "Accelerometers" -config ADIS16201 - tristate "Analog Devices ADIS16201 Dual-Axis Digital Inclinometer and Accelerometer" - depends on SPI - select IIO_ADIS_LIB - select IIO_ADIS_LIB_BUFFER if IIO_BUFFER - help - Say Y here to build support for Analog Devices adis16201 dual-axis - digital inclinometer and accelerometer. - - To compile this driver as a module, say M here: the module will - be called adis16201. - config ADIS16203 tristate "Analog Devices ADIS16203 Programmable 360 Degrees Inclinometer" depends on SPI diff --git a/drivers/staging/iio/accel/Makefile b/drivers/staging/iio/accel/Makefile index 5d8ad21..7dd55410 100644 --- a/drivers/staging/iio/accel/Makefile +++ b/drivers/staging/iio/accel/Makefile @@ -2,7 +2,6 @@ # Makefile for industrial I/O accelerometer drivers # -obj-$(CONFIG_ADIS16201) += adis16201.o obj-$(CONFIG_ADIS16203) += adis16203.o obj-$(CONFIG_ADIS16209) += adis16209.o obj-$(CONFIG_ADIS16240) += adis16240.o diff --git a/drivers/staging/iio/accel/adis16201.c b/drivers/staging/iio/accel/adis16201.c deleted file mode 100644 index 6800347..0000000 --- a/drivers/staging/iio/accel/adis16201.c +++ /dev/null @@ -1,315 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * ADIS16201 Dual-Axis Digital Inclinometer and Accelerometer - * - * Copyright 2010 Analog Devices Inc. - */ - -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -#define ADIS16201_STARTUP_DELAY_MS 220 -#define ADIS16201_FLASH_CNT_REG 0x00 - -/* Data Output Register Definitions */ -#define ADIS16201_SUPPLY_OUT_REG 0x02 -#define ADIS16201_XACCL_OUT_REG 0x04 -#define ADIS16201_YACCL_OUT_REG 0x06 -#define ADIS16201_AUX_ADC_REG 0x08 -#define ADIS16201_TEMP_OUT_REG 0x0A -#define ADIS16201_XINCL_OUT_REG 0x0C -#define ADIS16201_YINCL_OUT_REG 0x0E - -/* Calibration Register Definitions */ -#define ADIS16201_XACCL_OFFS_REG 0x10 -#define ADIS16201_YACCL_OFFS_REG 0x12 -#define ADIS16201_XACCL_SCALE_REG 0x14 -#define ADIS16201_YACCL_SCALE_REG 0x16 -#define ADIS16201_XINCL_OFFS_REG 0x18 -#define ADIS16201_YINCL_OFFS_REG 0x1A -#define ADIS16201_XINCL_SCALE_REG 0x1C -#define ADIS16201_YINCL_SCALE_REG 0x1E - -/* Alarm Register Definitions */ -#define ADIS16201_ALM_MAG1_REG 0x20 -#define ADIS16201_ALM_MAG2_REG 0x22 -#define ADIS16201_ALM_SMPL1_REG 0x24 -#define ADIS16201_ALM_SMPL2_REG 0x26 -#define ADIS16201_ALM_CTRL_REG 0x28 - -#define ADIS16201_AUX_DAC_REG 0x30 -#define ADIS16201_GPIO_CTRL_REG 0x32 -#define ADIS16201_SMPL_PRD_REG 0x36 -#define ADIS16201_AVG_CNT_REG 0x38 -#define ADIS16201_SLP_CNT_REG 0x3A - -/* MSC_CTRL */ -#define ADIS16201_MSC_CTRL_REG 0x34 -#define ADIS16201_MSC_CTRL_SELF_TEST_EN BIT(8) -#define ADIS16201_MSC_CTRL_DATA_RDY_EN BIT(2) -#define ADIS16201_MSC_CTRL_ACTIVE_HIGH BIT(1) -#define ADIS16201_MSC_CTRL_DATA_RDY_DIO1 BIT(0) - -/* DIAG_STAT */ -#define ADIS16201_DIAG_STAT_REG 0x3C -#define ADIS16201_DIAG_STAT_ALARM2 BIT(9) -#define ADIS16201_DIAG_STAT_ALARM1 BIT(8) -#define ADIS16201_DIAG_STAT_SPI_FAIL_BIT 3 -#define ADIS16201_DIAG_STAT_FLASH_UPT_BIT 2 -#define ADIS16201_DIAG_STAT_POWER_HIGH_BIT 1 -#define ADIS16201_DIAG_STAT_POWER_LOW_BIT 0 - -/* GLOB_CMD */ -#define ADIS16201_GLOB_CMD_REG 0x3E -#define ADIS16201_GLOB_CMD_SW_RESET BIT(7) -#define ADIS16201_GLOB_CMD_FACTORY_CAL BIT(1) - -#define ADIS16201_ERROR_ACTIVE BIT(14) - -enum adis16201_scan { - ADIS16201_SCAN_ACC_X, - ADIS16201_SCAN_ACC_Y, - ADIS16201_SCAN_INCLI_X, - ADIS16201_SCAN_INCLI_Y, - ADIS16201_SCAN_SUPPLY, - ADIS16201_SCAN_AUX_ADC, - ADIS16201_SCAN_TEMP, -}; - -static const u8 adis16201_addresses[] = { - [ADIS16201_SCAN_ACC_X] = ADIS16201_XACCL_OFFS_REG, - [ADIS16201_SCAN_ACC_Y] = ADIS16201_YACCL_OFFS_REG, - [ADIS16201_SCAN_INCLI_X] = ADIS16201_XINCL_OFFS_REG, - [ADIS16201_SCAN_INCLI_Y] = ADIS16201_YINCL_OFFS_REG, -}; - -static int adis16201_read_raw(struct iio_dev *indio_dev, - struct iio_chan_spec const *chan, - int *val, int *val2, - long mask) -{ - struct adis *st = iio_priv(indio_dev); - int ret; - int bits; - u8 addr; - s16 val16; - - switch (mask) { - case IIO_CHAN_INFO_RAW: - return adis_single_conversion(indio_dev, chan, - ADIS16201_ERROR_ACTIVE, val); - case IIO_CHAN_INFO_SCALE: - switch (chan->type) { - case IIO_VOLTAGE: - switch (chan->channel) { - case 0: - *val = 1; - *val2 = 220000; - break; - case 1: - *val = 0; - *val2 = 610000; - break; - default: - return -EINVAL; - } - return IIO_VAL_INT_PLUS_MICRO; - case IIO_TEMP: - *val = -470; - *val2 = 0; - return IIO_VAL_INT_PLUS_MICRO; - case IIO_ACCEL: - *val = 0; - *val2 = IIO_G_TO_M_S_2(462400); - return IIO_VAL_INT_PLUS_NANO; - case IIO_INCLI: - *val = 0; - *val2 = 100000; - return IIO_VAL_INT_PLUS_MICRO; - default: - return -EINVAL; - } - break; - case IIO_CHAN_INFO_OFFSET: - *val = 25000 / -470 - 1278; - return IIO_VAL_INT; - case IIO_CHAN_INFO_CALIBBIAS: - switch (chan->type) { - case IIO_ACCEL: - bits = 12; - break; - case IIO_INCLI: - bits = 9; - break; - default: - return -EINVAL; - } - addr = adis16201_addresses[chan->scan_index]; - ret = adis_read_reg_16(st, addr, &val16); - if (ret) - return ret; - - *val = sign_extend32(val16, bits - 1); - return IIO_VAL_INT; - } - - return -EINVAL; -} - -static int adis16201_write_raw(struct iio_dev *indio_dev, - struct iio_chan_spec const *chan, - int val, - int val2, - long mask) -{ - struct adis *st = iio_priv(indio_dev); - int bits; - s16 val16; - u8 addr; - - switch (mask) { - case IIO_CHAN_INFO_CALIBBIAS: - switch (chan->type) { - case IIO_ACCEL: - bits = 12; - break; - case IIO_INCLI: - bits = 9; - break; - default: - return -EINVAL; - } - val16 = val & ((1 << bits) - 1); - addr = adis16201_addresses[chan->scan_index]; - return adis_write_reg_16(st, addr, val16); - } - - return -EINVAL; -} - -static const struct iio_chan_spec adis16201_channels[] = { - ADIS_SUPPLY_CHAN(ADIS16201_SUPPLY_OUT_REG, ADIS16201_SCAN_SUPPLY, 0, 12), - ADIS_TEMP_CHAN(ADIS16201_TEMP_OUT_REG, ADIS16201_SCAN_TEMP, 0, 12), - ADIS_ACCEL_CHAN(X, ADIS16201_XACCL_OUT_REG, ADIS16201_SCAN_ACC_X, - BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14), - ADIS_ACCEL_CHAN(Y, ADIS16201_YACCL_OUT_REG, ADIS16201_SCAN_ACC_Y, - BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14), - ADIS_AUX_ADC_CHAN(ADIS16201_AUX_ADC_REG, ADIS16201_SCAN_AUX_ADC, 0, 12), - ADIS_INCLI_CHAN(X, ADIS16201_XINCL_OUT_REG, ADIS16201_SCAN_INCLI_X, - BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14), - ADIS_INCLI_CHAN(X, ADIS16201_YINCL_OUT_REG, ADIS16201_SCAN_INCLI_Y, - BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14), - IIO_CHAN_SOFT_TIMESTAMP(7) -}; - -static const struct iio_info adis16201_info = { - .read_raw = adis16201_read_raw, - .write_raw = adis16201_write_raw, - .update_scan_mode = adis_update_scan_mode, -}; - -static const char * const adis16201_status_error_msgs[] = { - [ADIS16201_DIAG_STAT_SPI_FAIL_BIT] = "SPI failure", - [ADIS16201_DIAG_STAT_FLASH_UPT_BIT] = "Flash update failed", - [ADIS16201_DIAG_STAT_POWER_HIGH_BIT] = "Power supply above 3.625V", - [ADIS16201_DIAG_STAT_POWER_LOW_BIT] = "Power supply below 3.15V", -}; - -static const struct adis_data adis16201_data = { - .read_delay = 20, - .msc_ctrl_reg = ADIS16201_MSC_CTRL_REG, - .glob_cmd_reg = ADIS16201_GLOB_CMD_REG, - .diag_stat_reg = ADIS16201_DIAG_STAT_REG, - - .self_test_mask = ADIS16201_MSC_CTRL_SELF_TEST_EN, - .self_test_no_autoclear = true, - .startup_delay = ADIS16201_STARTUP_DELAY_MS, - - .status_error_msgs = adis16201_status_error_msgs, - .status_error_mask = BIT(ADIS16201_DIAG_STAT_SPI_FAIL_BIT) | - BIT(ADIS16201_DIAG_STAT_FLASH_UPT_BIT) | - BIT(ADIS16201_DIAG_STAT_POWER_HIGH_BIT) | - BIT(ADIS16201_DIAG_STAT_POWER_LOW_BIT), -}; - -static int adis16201_probe(struct spi_device *spi) -{ - struct iio_dev *indio_dev; - struct adis *st; - int ret; - - indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st)); - if (!indio_dev) - return -ENOMEM; - - st = iio_priv(indio_dev); - spi_set_drvdata(spi, indio_dev); - - indio_dev->name = spi->dev.driver->name; - indio_dev->dev.parent = &spi->dev; - indio_dev->info = &adis16201_info; - - indio_dev->channels = adis16201_channels; - indio_dev->num_channels = ARRAY_SIZE(adis16201_channels); - indio_dev->modes = INDIO_DIRECT_MODE; - - ret = adis_init(st, indio_dev, spi, &adis16201_data); - if (ret) - return ret; - - ret = adis_setup_buffer_and_trigger(st, indio_dev, NULL); - if (ret) - return ret; - - /* Get the device into a sane initial state */ - ret = adis_initial_startup(st); - if (ret) - goto error_cleanup_buffer_trigger; - - ret = iio_device_register(indio_dev); - if (ret < 0) - goto error_cleanup_buffer_trigger; - - return 0; - -error_cleanup_buffer_trigger: - adis_cleanup_buffer_and_trigger(st, indio_dev); - - return ret; -} - -static int adis16201_remove(struct spi_device *spi) -{ - struct iio_dev *indio_dev = spi_get_drvdata(spi); - struct adis *st = iio_priv(indio_dev); - - iio_device_unregister(indio_dev); - adis_cleanup_buffer_and_trigger(st, indio_dev); - - return 0; -} - -static struct spi_driver adis16201_driver = { - .driver = { - .name = "adis16201", - }, - .probe = adis16201_probe, - .remove = adis16201_remove, -}; -module_spi_driver(adis16201_driver); - -MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>"); -MODULE_DESCRIPTION("Analog Devices ADIS16201 Dual-Axis Digital Inclinometer and Accelerometer"); -MODULE_LICENSE("GPL v2"); -MODULE_ALIAS("spi:adis16201");