diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/hid-sensor-hub.h | 18 | ||||
| -rw-r--r-- | include/linux/iio/buffer.h | 31 | ||||
| -rw-r--r-- | include/linux/iio/common/st_sensors.h | 6 | ||||
| -rw-r--r-- | include/linux/iio/consumer.h | 2 | ||||
| -rw-r--r-- | include/linux/iio/iio.h | 35 | ||||
| -rw-r--r-- | include/linux/iio/sysfs.h | 15 | ||||
| -rw-r--r-- | include/linux/mfd/ti_am335x_tscadc.h | 9 |
7 files changed, 101 insertions, 15 deletions
diff --git a/include/linux/hid-sensor-hub.h b/include/linux/hid-sensor-hub.h index 32ba451..a265af2 100644 --- a/include/linux/hid-sensor-hub.h +++ b/include/linux/hid-sensor-hub.h @@ -47,11 +47,13 @@ struct hid_sensor_hub_attribute_info { * @hdev: Stores the hid instance. * @vendor_id: Vendor id of hub device. * @product_id: Product id of hub device. + * @ref_cnt: Number of MFD clients have opened this device */ struct hid_sensor_hub_device { struct hid_device *hdev; u32 vendor_id; u32 product_id; + int ref_cnt; }; /** @@ -74,6 +76,22 @@ struct hid_sensor_hub_callbacks { void *priv); }; +/** +* sensor_hub_device_open() - Open hub device +* @hsdev: Hub device instance. +* +* Used to open hid device for sensor hub. +*/ +int sensor_hub_device_open(struct hid_sensor_hub_device *hsdev); + +/** +* sensor_hub_device_clode() - Close hub device +* @hsdev: Hub device instance. +* +* Used to clode hid device for sensor hub. +*/ +void sensor_hub_device_close(struct hid_sensor_hub_device *hsdev); + /* Registration functions */ /** diff --git a/include/linux/iio/buffer.h b/include/linux/iio/buffer.h index 2bac0eb..a1124bd 100644 --- a/include/linux/iio/buffer.h +++ b/include/linux/iio/buffer.h @@ -36,7 +36,7 @@ struct iio_buffer; * any of them not existing. **/ struct iio_buffer_access_funcs { - int (*store_to)(struct iio_buffer *buffer, u8 *data); + int (*store_to)(struct iio_buffer *buffer, const void *data); int (*read_first_n)(struct iio_buffer *buffer, size_t n, char __user *buf); @@ -81,7 +81,7 @@ struct iio_buffer { bool stufftoread; const struct attribute_group *attrs; struct list_head demux_list; - unsigned char *demux_bounce; + void *demux_bounce; struct list_head buffer_list; }; @@ -120,7 +120,32 @@ int iio_scan_mask_set(struct iio_dev *indio_dev, * @indio_dev: iio_dev structure for device. * @data: Full scan. */ -int iio_push_to_buffers(struct iio_dev *indio_dev, unsigned char *data); +int iio_push_to_buffers(struct iio_dev *indio_dev, const void *data); + +/* + * iio_push_to_buffers_with_timestamp() - push data and timestamp to buffers + * @indio_dev: iio_dev structure for device. + * @data: sample data + * @timestamp: timestamp for the sample data + * + * Pushes data to the IIO device's buffers. If timestamps are enabled for the + * device the function will store the supplied timestamp as the last element in + * the sample data buffer before pushing it to the device buffers. The sample + * data buffer needs to be large enough to hold the additional timestamp + * (usually the buffer should be indio->scan_bytes bytes large). + * + * Returns 0 on success, a negative error code otherwise. + */ +static inline int iio_push_to_buffers_with_timestamp(struct iio_dev *indio_dev, + void *data, int64_t timestamp) +{ + if (indio_dev->scan_timestamp) { + size_t ts_offset = indio_dev->scan_bytes / sizeof(int64_t) - 1; + ((int64_t *)data)[ts_offset] = timestamp; + } + + return iio_push_to_buffers(indio_dev, data); +} int iio_update_demux(struct iio_dev *indio_dev); diff --git a/include/linux/iio/common/st_sensors.h b/include/linux/iio/common/st_sensors.h index e51f654..3c005eb 100644 --- a/include/linux/iio/common/st_sensors.h +++ b/include/linux/iio/common/st_sensors.h @@ -16,6 +16,7 @@ #include <linux/irqreturn.h> #include <linux/iio/trigger.h> #include <linux/bitops.h> +#include <linux/regulator/consumer.h> #include <linux/platform_data/st_sensors_pdata.h> @@ -184,6 +185,7 @@ struct st_sensors { u8 wai; char sensors_supported[ST_SENSORS_MAX_4WAI][ST_SENSORS_MAX_NAME]; struct iio_chan_spec *ch; + int num_ch; struct st_sensor_odr odr; struct st_sensor_power pw; struct st_sensor_axis enable_axis; @@ -200,6 +202,8 @@ struct st_sensors { * @trig: The trigger in use by the core driver. * @sensor: Pointer to the current sensor struct in use. * @current_fullscale: Maximum range of measure by the sensor. + * @vdd: Pointer to sensor's Vdd power supply + * @vdd_io: Pointer to sensor's Vdd-IO power supply * @enabled: Status of the sensor (false->off, true->on). * @multiread_bit: Use or not particular bit for [I2C/SPI] multiread. * @buffer_data: Data used by buffer part. @@ -215,6 +219,8 @@ struct st_sensor_data { struct iio_trigger *trig; struct st_sensors *sensor; struct st_sensor_fullscale_avl *current_fullscale; + struct regulator *vdd; + struct regulator *vdd_io; bool enabled; bool multiread_bit; diff --git a/include/linux/iio/consumer.h b/include/linux/iio/consumer.h index 833926c..2752b1f 100644 --- a/include/linux/iio/consumer.h +++ b/include/linux/iio/consumer.h @@ -77,7 +77,7 @@ struct iio_cb_buffer; * fail. */ struct iio_cb_buffer *iio_channel_get_all_cb(struct device *dev, - int (*cb)(u8 *data, + int (*cb)(const void *data, void *private), void *private); /** diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h index 2103cc3..ac1cb8f 100644 --- a/include/linux/iio/iio.h +++ b/include/linux/iio/iio.h @@ -36,6 +36,14 @@ enum iio_chan_info_enum { IIO_CHAN_INFO_PHASE, IIO_CHAN_INFO_HARDWAREGAIN, IIO_CHAN_INFO_HYSTERESIS, + IIO_CHAN_INFO_INT_TIME, +}; + +enum iio_shared_by { + IIO_SEPARATE, + IIO_SHARED_BY_TYPE, + IIO_SHARED_BY_DIR, + IIO_SHARED_BY_ALL }; enum iio_endian { @@ -57,7 +65,7 @@ struct iio_dev; */ struct iio_chan_spec_ext_info { const char *name; - bool shared; + enum iio_shared_by shared; ssize_t (*read)(struct iio_dev *, uintptr_t private, struct iio_chan_spec const *, char *buf); ssize_t (*write)(struct iio_dev *, uintptr_t private, @@ -125,7 +133,7 @@ ssize_t iio_enum_write(struct iio_dev *indio_dev, #define IIO_ENUM_AVAILABLE(_name, _e) \ { \ .name = (_name "_available"), \ - .shared = true, \ + .shared = IIO_SHARED_BY_TYPE, \ .read = iio_enum_available_read, \ .private = (uintptr_t)(_e), \ } @@ -146,12 +154,14 @@ ssize_t iio_enum_write(struct iio_dev *indio_dev, * shift: Shift right by this before masking out * realbits. * endianness: little or big endian - * @info_mask: What information is to be exported about this channel. - * This includes calibbias, scale etc. * @info_mask_separate: What information is to be exported that is specific to * this channel. * @info_mask_shared_by_type: What information is to be exported that is shared -* by all channels of the same type. + * by all channels of the same type. + * @info_mask_shared_by_dir: What information is to be exported that is shared + * by all channels of the same direction. + * @info_mask_shared_by_all: What information is to be exported that is shared + * by all channels. * @event_mask: What events can this channel produce. * @ext_info: Array of extended info attributes for this channel. * The array is NULL terminated, the last element should @@ -186,9 +196,10 @@ struct iio_chan_spec { u8 shift; enum iio_endian endianness; } scan_type; - long info_mask; long info_mask_separate; long info_mask_shared_by_type; + long info_mask_shared_by_dir; + long info_mask_shared_by_all; long event_mask; const struct iio_chan_spec_ext_info *ext_info; const char *extend_name; @@ -212,7 +223,9 @@ static inline bool iio_channel_has_info(const struct iio_chan_spec *chan, enum iio_chan_info_enum type) { return (chan->info_mask_separate & BIT(type)) | - (chan->info_mask_shared_by_type & BIT(type)); + (chan->info_mask_shared_by_type & BIT(type)) | + (chan->info_mask_shared_by_dir & BIT(type)) | + (chan->info_mask_shared_by_all & BIT(type)); } #define IIO_ST(si, rb, sb, sh) \ @@ -457,7 +470,7 @@ static inline void iio_device_put(struct iio_dev *indio_dev) { if (indio_dev) put_device(&indio_dev->dev); -}; +} /** * dev_to_iio_dev() - Get IIO device struct from a device struct @@ -593,7 +606,7 @@ static inline bool iio_buffer_enabled(struct iio_dev *indio_dev) { return indio_dev->currentmode & (INDIO_BUFFER_TRIGGERED | INDIO_BUFFER_HARDWARE); -}; +} /** * iio_get_debugfs_dentry() - helper function to get the debugfs_dentry @@ -603,12 +616,12 @@ static inline bool iio_buffer_enabled(struct iio_dev *indio_dev) static inline struct dentry *iio_get_debugfs_dentry(struct iio_dev *indio_dev) { return indio_dev->debugfs_dentry; -}; +} #else static inline struct dentry *iio_get_debugfs_dentry(struct iio_dev *indio_dev) { return NULL; -}; +} #endif int iio_str_to_fixpoint(const char *str, int fract_mult, int *integer, diff --git a/include/linux/iio/sysfs.h b/include/linux/iio/sysfs.h index 2958c96..8a1d186 100644 --- a/include/linux/iio/sysfs.h +++ b/include/linux/iio/sysfs.h @@ -100,6 +100,21 @@ struct iio_const_attr { #define IIO_CONST_ATTR_SAMP_FREQ_AVAIL(_string) \ IIO_CONST_ATTR(sampling_frequency_available, _string) +/** + * IIO_DEV_ATTR_INT_TIME_AVAIL - list available integration times + * @_show: output method for the attribute + **/ +#define IIO_DEV_ATTR_INT_TIME_AVAIL(_show) \ + IIO_DEVICE_ATTR(integration_time_available, S_IRUGO, _show, NULL, 0) +/** + * IIO_CONST_ATTR_INT_TIME_AVAIL - list available integration times + * @_string: frequency string for the attribute + * + * Constant version + **/ +#define IIO_CONST_ATTR_INT_TIME_AVAIL(_string) \ + IIO_CONST_ATTR(integration_time_available, _string) + #define IIO_DEV_ATTR_TEMP_RAW(_show) \ IIO_DEVICE_ATTR(in_temp_raw, S_IRUGO, _show, NULL, 0) diff --git a/include/linux/mfd/ti_am335x_tscadc.h b/include/linux/mfd/ti_am335x_tscadc.h index 25f2c61..08cce7f 100644 --- a/include/linux/mfd/ti_am335x_tscadc.h +++ b/include/linux/mfd/ti_am335x_tscadc.h @@ -46,16 +46,24 @@ /* Step Enable */ #define STEPENB_MASK (0x1FFFF << 0) #define STEPENB(val) ((val) << 0) +#define ENB(val) (1 << (val)) +#define STPENB_STEPENB STEPENB(0x1FFFF) +#define STPENB_STEPENB_TC STEPENB(0x1FFF) /* IRQ enable */ #define IRQENB_HW_PEN BIT(0) #define IRQENB_FIFO0THRES BIT(2) +#define IRQENB_FIFO0OVRRUN BIT(3) +#define IRQENB_FIFO0UNDRFLW BIT(4) #define IRQENB_FIFO1THRES BIT(5) +#define IRQENB_FIFO1OVRRUN BIT(6) +#define IRQENB_FIFO1UNDRFLW BIT(7) #define IRQENB_PENUP BIT(9) /* Step Configuration */ #define STEPCONFIG_MODE_MASK (3 << 0) #define STEPCONFIG_MODE(val) ((val) << 0) +#define STEPCONFIG_MODE_SWCNT STEPCONFIG_MODE(1) #define STEPCONFIG_MODE_HWSYNC STEPCONFIG_MODE(2) #define STEPCONFIG_AVG_MASK (7 << 2) #define STEPCONFIG_AVG(val) ((val) << 2) @@ -123,6 +131,7 @@ #define ADC_CLK 3000000 #define TOTAL_STEPS 16 #define TOTAL_CHANNELS 8 +#define FIFO1_THRESHOLD 19 /* * ADC runs at 3MHz, and it takes |