Barry Song | f7fe1d1 | 2010-10-27 21:43:49 -0400 | [diff] [blame] | 1 | #ifndef SPI_ADIS16201_H_ |
| 2 | #define SPI_ADIS16201_H_ |
| 3 | |
| 4 | #define ADIS16201_STARTUP_DELAY 220 /* ms */ |
| 5 | |
| 6 | #define ADIS16201_READ_REG(a) a |
| 7 | #define ADIS16201_WRITE_REG(a) ((a) | 0x80) |
| 8 | |
| 9 | #define ADIS16201_FLASH_CNT 0x00 /* Flash memory write count */ |
| 10 | #define ADIS16201_SUPPLY_OUT 0x02 /* Output, power supply */ |
| 11 | #define ADIS16201_XACCL_OUT 0x04 /* Output, x-axis accelerometer */ |
| 12 | #define ADIS16201_YACCL_OUT 0x06 /* Output, y-axis accelerometer */ |
| 13 | #define ADIS16201_AUX_ADC 0x08 /* Output, auxiliary ADC input */ |
| 14 | #define ADIS16201_TEMP_OUT 0x0A /* Output, temperature */ |
| 15 | #define ADIS16201_XINCL_OUT 0x0C /* Output, x-axis inclination */ |
| 16 | #define ADIS16201_YINCL_OUT 0x0E /* Output, y-axis inclination */ |
| 17 | #define ADIS16201_XACCL_OFFS 0x10 /* Calibration, x-axis acceleration offset */ |
| 18 | #define ADIS16201_YACCL_OFFS 0x12 /* Calibration, y-axis acceleration offset */ |
| 19 | #define ADIS16201_XACCL_SCALE 0x14 /* x-axis acceleration scale factor */ |
| 20 | #define ADIS16201_YACCL_SCALE 0x16 /* y-axis acceleration scale factor */ |
| 21 | #define ADIS16201_XINCL_OFFS 0x18 /* Calibration, x-axis inclination offset */ |
| 22 | #define ADIS16201_YINCL_OFFS 0x1A /* Calibration, y-axis inclination offset */ |
| 23 | #define ADIS16201_XINCL_SCALE 0x1C /* x-axis inclination scale factor */ |
| 24 | #define ADIS16201_YINCL_SCALE 0x1E /* y-axis inclination scale factor */ |
| 25 | #define ADIS16201_ALM_MAG1 0x20 /* Alarm 1 amplitude threshold */ |
| 26 | #define ADIS16201_ALM_MAG2 0x22 /* Alarm 2 amplitude threshold */ |
| 27 | #define ADIS16201_ALM_SMPL1 0x24 /* Alarm 1, sample period */ |
| 28 | #define ADIS16201_ALM_SMPL2 0x26 /* Alarm 2, sample period */ |
| 29 | #define ADIS16201_ALM_CTRL 0x28 /* Alarm control */ |
| 30 | #define ADIS16201_AUX_DAC 0x30 /* Auxiliary DAC data */ |
| 31 | #define ADIS16201_GPIO_CTRL 0x32 /* General-purpose digital input/output control */ |
| 32 | #define ADIS16201_MSC_CTRL 0x34 /* Miscellaneous control */ |
| 33 | #define ADIS16201_SMPL_PRD 0x36 /* Internal sample period (rate) control */ |
| 34 | #define ADIS16201_AVG_CNT 0x38 /* Operation, filter configuration */ |
| 35 | #define ADIS16201_SLP_CNT 0x3A /* Operation, sleep mode control */ |
| 36 | #define ADIS16201_DIAG_STAT 0x3C /* Diagnostics, system status register */ |
| 37 | #define ADIS16201_GLOB_CMD 0x3E /* Operation, system command register */ |
| 38 | |
| 39 | #define ADIS16201_OUTPUTS 7 |
| 40 | |
| 41 | /* MSC_CTRL */ |
| 42 | #define ADIS16201_MSC_CTRL_SELF_TEST_EN (1 << 8) /* Self-test enable */ |
| 43 | #define ADIS16201_MSC_CTRL_DATA_RDY_EN (1 << 2) /* Data-ready enable: 1 = enabled, 0 = disabled */ |
| 44 | #define ADIS16201_MSC_CTRL_ACTIVE_HIGH (1 << 1) /* Data-ready polarity: 1 = active high, 0 = active low */ |
| 45 | #define ADIS16201_MSC_CTRL_DATA_RDY_DIO1 (1 << 0) /* Data-ready line selection: 1 = DIO1, 0 = DIO0 */ |
| 46 | |
| 47 | /* DIAG_STAT */ |
| 48 | #define ADIS16201_DIAG_STAT_ALARM2 (1<<9) /* Alarm 2 status: 1 = alarm active, 0 = alarm inactive */ |
| 49 | #define ADIS16201_DIAG_STAT_ALARM1 (1<<8) /* Alarm 1 status: 1 = alarm active, 0 = alarm inactive */ |
| 50 | #define ADIS16201_DIAG_STAT_SPI_FAIL (1<<3) /* SPI communications failure */ |
| 51 | #define ADIS16201_DIAG_STAT_FLASH_UPT (1<<2) /* Flash update failure */ |
| 52 | #define ADIS16201_DIAG_STAT_POWER_HIGH (1<<1) /* Power supply above 3.625 V */ |
| 53 | #define ADIS16201_DIAG_STAT_POWER_LOW (1<<0) /* Power supply below 3.15 V */ |
| 54 | |
| 55 | /* GLOB_CMD */ |
| 56 | #define ADIS16201_GLOB_CMD_SW_RESET (1<<7) |
| 57 | #define ADIS16201_GLOB_CMD_FACTORY_CAL (1<<1) |
| 58 | |
| 59 | #define ADIS16201_MAX_TX 14 |
| 60 | #define ADIS16201_MAX_RX 14 |
| 61 | |
| 62 | #define ADIS16201_ERROR_ACTIVE (1<<14) |
| 63 | |
| 64 | /** |
| 65 | * struct adis16201_state - device instance specific data |
| 66 | * @us: actual spi_device |
Barry Song | f7fe1d1 | 2010-10-27 21:43:49 -0400 | [diff] [blame] | 67 | * @indio_dev: industrial I/O device structure |
| 68 | * @trig: data ready trigger registered with iio |
| 69 | * @tx: transmit buffer |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 70 | * @rx: receive buffer |
Barry Song | f7fe1d1 | 2010-10-27 21:43:49 -0400 | [diff] [blame] | 71 | * @buf_lock: mutex to protect tx and rx |
| 72 | **/ |
| 73 | struct adis16201_state { |
| 74 | struct spi_device *us; |
Barry Song | f7fe1d1 | 2010-10-27 21:43:49 -0400 | [diff] [blame] | 75 | struct iio_dev *indio_dev; |
| 76 | struct iio_trigger *trig; |
| 77 | u8 *tx; |
| 78 | u8 *rx; |
| 79 | struct mutex buf_lock; |
| 80 | }; |
| 81 | |
Jonathan Cameron | cf96ffd | 2011-05-18 14:41:46 +0100 | [diff] [blame] | 82 | int adis16201_set_irq(struct iio_dev *indio_dev, bool enable); |
Barry Song | f7fe1d1 | 2010-10-27 21:43:49 -0400 | [diff] [blame] | 83 | |
Barry Song | f7fe1d1 | 2010-10-27 21:43:49 -0400 | [diff] [blame] | 84 | enum adis16201_scan { |
| 85 | ADIS16201_SCAN_SUPPLY, |
| 86 | ADIS16201_SCAN_ACC_X, |
| 87 | ADIS16201_SCAN_ACC_Y, |
| 88 | ADIS16201_SCAN_AUX_ADC, |
| 89 | ADIS16201_SCAN_TEMP, |
| 90 | ADIS16201_SCAN_INCLI_X, |
| 91 | ADIS16201_SCAN_INCLI_Y, |
| 92 | }; |
| 93 | |
Randy Dunlap | e1d7671 | 2011-06-14 15:00:18 -0700 | [diff] [blame] | 94 | #ifdef CONFIG_IIO_RING_BUFFER |
Barry Song | f7fe1d1 | 2010-10-27 21:43:49 -0400 | [diff] [blame] | 95 | void adis16201_remove_trigger(struct iio_dev *indio_dev); |
| 96 | int adis16201_probe_trigger(struct iio_dev *indio_dev); |
| 97 | |
| 98 | ssize_t adis16201_read_data_from_ring(struct device *dev, |
| 99 | struct device_attribute *attr, |
| 100 | char *buf); |
| 101 | |
| 102 | int adis16201_configure_ring(struct iio_dev *indio_dev); |
| 103 | void adis16201_unconfigure_ring(struct iio_dev *indio_dev); |
| 104 | |
Barry Song | f7fe1d1 | 2010-10-27 21:43:49 -0400 | [diff] [blame] | 105 | #else /* CONFIG_IIO_RING_BUFFER */ |
| 106 | |
| 107 | static inline void adis16201_remove_trigger(struct iio_dev *indio_dev) |
| 108 | { |
| 109 | } |
| 110 | |
| 111 | static inline int adis16201_probe_trigger(struct iio_dev *indio_dev) |
| 112 | { |
| 113 | return 0; |
| 114 | } |
| 115 | |
| 116 | static inline ssize_t |
| 117 | adis16201_read_data_from_ring(struct device *dev, |
| 118 | struct device_attribute *attr, |
| 119 | char *buf) |
| 120 | { |
| 121 | return 0; |
| 122 | } |
| 123 | |
| 124 | static int adis16201_configure_ring(struct iio_dev *indio_dev) |
| 125 | { |
| 126 | return 0; |
| 127 | } |
| 128 | |
| 129 | static inline void adis16201_unconfigure_ring(struct iio_dev *indio_dev) |
| 130 | { |
| 131 | } |
| 132 | |
| 133 | static inline int adis16201_initialize_ring(struct iio_ring_buffer *ring) |
| 134 | { |
| 135 | return 0; |
| 136 | } |
| 137 | |
| 138 | static inline void adis16201_uninitialize_ring(struct iio_ring_buffer *ring) |
| 139 | { |
| 140 | } |
| 141 | |
| 142 | #endif /* CONFIG_IIO_RING_BUFFER */ |
| 143 | #endif /* SPI_ADIS16201_H_ */ |