| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Jonathan Cameron | 343 | 32.36% | 10 | 40.00% |
| Lars-Peter Clausen | 270 | 25.47% | 7 | 28.00% |
| Varsha Rao | 213 | 20.09% | 1 | 4.00% |
| Barry Song | 204 | 19.25% | 1 | 4.00% |
| Sachin Kamat | 15 | 1.42% | 1 | 4.00% |
| Karim Eshapa | 5 | 0.47% | 1 | 4.00% |
| Dan Carpenter | 5 | 0.47% | 1 | 4.00% |
| Paul Gortmaker | 3 | 0.28% | 1 | 4.00% |
| Reto Schneider | 2 | 0.19% | 2 | 8.00% |
| Total | 1060 | 25 |
/* * ADIS16203 Programmable 360 Degrees Inclinometer * * Copyright 2010 Analog Devices Inc. * * Licensed under the GPL-2 or later. */ #include <linux/delay.h> #include <linux/device.h> #include <linux/iio/buffer.h> #include <linux/iio/iio.h> #include <linux/iio/imu/adis.h> #include <linux/iio/sysfs.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/mutex.h> #include <linux/slab.h> #include <linux/spi/spi.h> #include <linux/sysfs.h> #define ADIS16203_STARTUP_DELAY 220 /* ms */ /* Flash memory write count */ #define ADIS16203_FLASH_CNT 0x00 /* Output, power supply */ #define ADIS16203_SUPPLY_OUT 0x02 /* Output, auxiliary ADC input */ #define ADIS16203_AUX_ADC 0x08 /* Output, temperature */ #define ADIS16203_TEMP_OUT 0x0A /* Output, x-axis inclination */ #define ADIS16203_XINCL_OUT 0x0C /* Output, y-axis inclination */ #define ADIS16203_YINCL_OUT 0x0E /* Incline null calibration */ #define ADIS16203_INCL_NULL 0x18 /* Alarm 1 amplitude threshold */ #define ADIS16203_ALM_MAG1 0x20 /* Alarm 2 amplitude threshold */ #define ADIS16203_ALM_MAG2 0x22 /* Alarm 1, sample period */ #define ADIS16203_ALM_SMPL1 0x24 /* Alarm 2, sample period */ #define ADIS16203_ALM_SMPL2 0x26 /* Alarm control */ #define ADIS16203_ALM_CTRL 0x28 /* Auxiliary DAC data */ #define ADIS16203_AUX_DAC 0x30 /* General-purpose digital input/output control */ #define ADIS16203_GPIO_CTRL 0x32 /* Miscellaneous control */ #define ADIS16203_MSC_CTRL 0x34 /* Internal sample period (rate) control */ #define ADIS16203_SMPL_PRD 0x36 /* Operation, filter configuration */ #define ADIS16203_AVG_CNT 0x38 /* Operation, sleep mode control */ #define ADIS16203_SLP_CNT 0x3A /* Diagnostics, system status register */ #define ADIS16203_DIAG_STAT 0x3C /* Operation, system command register */ #define ADIS16203_GLOB_CMD 0x3E /* MSC_CTRL */ /* Self-test at power-on: 1 = disabled, 0 = enabled */ #define ADIS16203_MSC_CTRL_PWRUP_SELF_TEST BIT(10) /* Reverses rotation of both inclination outputs */ #define ADIS16203_MSC_CTRL_REVERSE_ROT_EN BIT(9) /* Self-test enable */ #define ADIS16203_MSC_CTRL_SELF_TEST_EN BIT(8) /* Data-ready enable: 1 = enabled, 0 = disabled */ #define ADIS16203_MSC_CTRL_DATA_RDY_EN BIT(2) /* Data-ready polarity: 1 = active high, 0 = active low */ #define ADIS16203_MSC_CTRL_ACTIVE_HIGH BIT(1) /* Data-ready line selection: 1 = DIO1, 0 = DIO0 */ #define ADIS16203_MSC_CTRL_DATA_RDY_DIO1 BIT(0) /* DIAG_STAT */ /* Alarm 2 status: 1 = alarm active, 0 = alarm inactive */ #define ADIS16203_DIAG_STAT_ALARM2 BIT(9) /* Alarm 1 status: 1 = alarm active, 0 = alarm inactive */ #define ADIS16203_DIAG_STAT_ALARM1 BIT(8) /* Self-test diagnostic error flag */ #define ADIS16203_DIAG_STAT_SELFTEST_FAIL_BIT 5 /* SPI communications failure */ #define ADIS16203_DIAG_STAT_SPI_FAIL_BIT 3 /* Flash update failure */ #define ADIS16203_DIAG_STAT_FLASH_UPT_BIT 2 /* Power supply above 3.625 V */ #define ADIS16203_DIAG_STAT_POWER_HIGH_BIT 1 /* Power supply below 3.15 V */ #define ADIS16203_DIAG_STAT_POWER_LOW_BIT 0 /* GLOB_CMD */ #define ADIS16203_GLOB_CMD_SW_RESET BIT(7) #define ADIS16203_GLOB_CMD_CLEAR_STAT BIT(4) #define ADIS16203_GLOB_CMD_FACTORY_CAL BIT(1) #define ADIS16203_ERROR_ACTIVE BIT(14) enum adis16203_scan { ADIS16203_SCAN_INCLI_X, ADIS16203_SCAN_INCLI_Y, ADIS16203_SCAN_SUPPLY, ADIS16203_SCAN_AUX_ADC, ADIS16203_SCAN_TEMP, }; #define DRIVER_NAME "adis16203" static const u8 adis16203_addresses[] = { [ADIS16203_SCAN_INCLI_X] = ADIS16203_INCL_NULL, }; static int adis16203_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); /* currently only one writable parameter which keeps this simple */ u8 addr = adis16203_addresses[chan->scan_index]; return adis_write_reg_16(st, addr, val & 0x3FFF); } static int adis16203_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; u8 addr; s16 val16; switch (mask) { case IIO_CHAN_INFO_RAW: return adis_single_conversion(indio_dev, chan, ADIS16203_ERROR_ACTIVE, val); case IIO_CHAN_INFO_SCALE: switch (chan->type) { case IIO_VOLTAGE: if (chan->channel == 0) { *val = 1; *val2 = 220000; /* 1.22 mV */ } else { *val = 0; *val2 = 610000; /* 0.61 mV */ } return IIO_VAL_INT_PLUS_MICRO; case IIO_TEMP: *val = -470; /* -0.47 C */ *val2 = 0; return IIO_VAL_INT_PLUS_MICRO; case IIO_INCLI: *val = 0; *val2 = 25000; /* 0.025 degree */ return IIO_VAL_INT_PLUS_MICRO; default: return -EINVAL; } case IIO_CHAN_INFO_OFFSET: *val = 25000 / -470 - 1278; /* 25 C = 1278 */ return IIO_VAL_INT; case IIO_CHAN_INFO_CALIBBIAS: addr = adis16203_addresses[chan->scan_index]; ret = adis_read_reg_16(st, addr, &val16); if (ret) return ret; *val = sign_extend32(val16, 13); return IIO_VAL_INT; default: return -EINVAL; } } static const struct iio_chan_spec adis16203_channels[] = { ADIS_SUPPLY_CHAN(ADIS16203_SUPPLY_OUT, ADIS16203_SCAN_SUPPLY, 0, 12), ADIS_AUX_ADC_CHAN(ADIS16203_AUX_ADC, ADIS16203_SCAN_AUX_ADC, 0, 12), ADIS_INCLI_CHAN(X, ADIS16203_XINCL_OUT, ADIS16203_SCAN_INCLI_X, BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14), /* Fixme: Not what it appears to be - see data sheet */ ADIS_INCLI_CHAN(Y, ADIS16203_YINCL_OUT, ADIS16203_SCAN_INCLI_Y, 0, 0, 14), ADIS_TEMP_CHAN(ADIS16203_TEMP_OUT, ADIS16203_SCAN_TEMP, 0, 12), IIO_CHAN_SOFT_TIMESTAMP(5), }; static const struct iio_info adis16203_info = { .read_raw = adis16203_read_raw, .write_raw = adis16203_write_raw, .update_scan_mode = adis_update_scan_mode, }; static const char * const adis16203_status_error_msgs[] = { [ADIS16203_DIAG_STAT_SELFTEST_FAIL_BIT] = "Self test failure", [ADIS16203_DIAG_STAT_SPI_FAIL_BIT] = "SPI failure", [ADIS16203_DIAG_STAT_FLASH_UPT_BIT] = "Flash update failed", [ADIS16203_DIAG_STAT_POWER_HIGH_BIT] = "Power supply above 3.625V", [ADIS16203_DIAG_STAT_POWER_LOW_BIT] = "Power supply below 3.15V", }; static const struct adis_data adis16203_data = { .read_delay = 20, .msc_ctrl_reg = ADIS16203_MSC_CTRL, .glob_cmd_reg = ADIS16203_GLOB_CMD, .diag_stat_reg = ADIS16203_DIAG_STAT, .self_test_mask = ADIS16203_MSC_CTRL_SELF_TEST_EN, .self_test_no_autoclear = true, .startup_delay = ADIS16203_STARTUP_DELAY, .status_error_msgs = adis16203_status_error_msgs, .status_error_mask = BIT(ADIS16203_DIAG_STAT_SELFTEST_FAIL_BIT) | BIT(ADIS16203_DIAG_STAT_SPI_FAIL_BIT) | BIT(ADIS16203_DIAG_STAT_FLASH_UPT_BIT) | BIT(ADIS16203_DIAG_STAT_POWER_HIGH_BIT) | BIT(ADIS16203_DIAG_STAT_POWER_LOW_BIT), }; static int adis16203_probe(struct spi_device *spi) { int ret; struct iio_dev *indio_dev; struct adis *st; /* setup the industrialio driver allocated elements */ indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st)); if (!indio_dev) return -ENOMEM; st = iio_priv(indio_dev); /* this is only used for removal purposes */ spi_set_drvdata(spi, indio_dev); indio_dev->name = spi->dev.driver->name; indio_dev->dev.parent = &spi->dev; indio_dev->channels = adis16203_channels; indio_dev->num_channels = ARRAY_SIZE(adis16203_channels); indio_dev->info = &adis16203_info; indio_dev->modes = INDIO_DIRECT_MODE; ret = adis_init(st, indio_dev, spi, &adis16203_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) goto error_cleanup_buffer_trigger; return 0; error_cleanup_buffer_trigger: adis_cleanup_buffer_and_trigger(st, indio_dev); return ret; } static int adis16203_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 adis16203_driver = { .driver = { .name = "adis16203", }, .probe = adis16203_probe, .remove = adis16203_remove, }; module_spi_driver(adis16203_driver); MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>"); MODULE_DESCRIPTION("Analog Devices ADIS16203 Programmable 360 Degrees Inclinometer"); MODULE_LICENSE("GPL v2"); MODULE_ALIAS("spi:adis16203");
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