bh_arc_telem.c File Reference

#include <zephyr/device.h>
#include <zephyr/drivers/sensor.h>
#include <zephyr/drivers/smbus.h>
#include <zephyr/logging/log.h>
#include <zephyr/rtio/rtio.h>
#include <zephyr/rtio/work.h>
#include <zephyr/sys/byteorder.h>
#include <zephyr/sys/util.h>
#include <tenstorrent/tt_smbus_regs.h>
#include <errno.h>
#include <telemetry.h>

Include dependency graph for bh_arc_telem.c:

Data Structures
struct	bh_arc_telem_config
struct	bh_arc_telem_map
struct	bh_arc_telem_rtio_data

Macros
#define	DT_DRV_COMPAT   tenstorrent_bh_arc_telemetry
#define	BH_ARC_TELEM_RCV_BUF_LEN   7U
#define	BH_ARC_TELEM_MAP_ENTRY(node_id)
#define	BH_ARC_TELEM_MAP_COUNT(inst)
#define	BH_ARC_TELEM_DEFINE(inst)

Functions
	LOG_MODULE_REGISTER (bh_arc_telem, CONFIG_SENSOR_LOG_LEVEL)
static int	bh_arc_telem_raw_to_sensor_value (uint8_t telem_tag, int32_t scale_micro, uint32_t raw, struct sensor_value *val)
static const struct bh_arc_telem_map *	bh_arc_telem_find_map (const struct bh_arc_telem_config *cfg, enum sensor_channel channel, uint8_t channel_index)
static int	bh_arc_telem_read_raw (const struct bh_arc_telem_config *cfg, const struct bh_arc_telem_map *map, uint32_t *raw)
static int	bh_arc_telem_decoder_get_frame_count (const uint8_t *buffer, struct sensor_chan_spec chan_spec, uint16_t *frame_count)
static int	bh_arc_telem_decoder_get_size_info (struct sensor_chan_spec channel, size_t *base_size, size_t *frame_size)
static int	bh_arc_telem_decoder_decode (const uint8_t *buffer, struct sensor_chan_spec chan_spec, uint32_t *fit, uint16_t max_count, void *data_out)
static bool	bh_arc_telem_decoder_has_trigger (const uint8_t *buffer, enum sensor_trigger_type trig)
	SENSOR_DECODER_API_DT_DEFINE ()
static int	bh_arc_telem_get_decoder (const struct device *dev, const struct sensor_decoder_api **decoder)
static void	bh_arc_telem_submit_sample (struct rtio_iodev_sqe *iodev_sqe)
static void	bh_arc_telem_submit (const struct device *sensor, struct rtio_iodev_sqe *sqe)
static int	bh_arc_telem_init (const struct device *dev)
static	DEVICE_API (sensor, bh_arc_telem_api)

Macro Definition Documentation

BH_ARC_TELEM_DEFINE

#define BH_ARC_TELEM_DEFINE

(

inst

)

Value:

        static const struct bh_arc_telem_map                                                       \
                bh_arc_telem_maps_##inst[MAX(1, BH_ARC_TELEM_MAP_COUNT(inst))] = {                 \
                        DT_FOREACH_CHILD_STATUS_OKAY(DT_DRV_INST(inst), BH_ARC_TELEM_MAP_ENTRY)};  \
        static const struct bh_arc_telem_config bh_arc_telem_cfg_##inst = {                        \
                .smbus = SMBUS_DT_SPEC_GET(DT_PHANDLE(DT_DRV_INST(inst), arc)),                    \
                .maps = bh_arc_telem_maps_##inst,                                                  \
                .map_count = BH_ARC_TELEM_MAP_COUNT(inst),                                         \
        };                                                                                         \
        DEVICE_DT_INST_DEFINE(inst, bh_arc_telem_init, NULL, NULL, &bh_arc_telem_cfg_##inst,       \
                              POST_KERNEL, CONFIG_SENSOR_INIT_PRIORITY, &bh_arc_telem_api)

BH_ARC_TELEM_MAP_COUNT

#define BH_ARC_TELEM_MAP_COUNT

(

inst

)

Value:

DT_CHILD_NUM_STATUS_OKAY(DT_DRV_INST(inst))

BH_ARC_TELEM_MAP_ENTRY

#define BH_ARC_TELEM_MAP_ENTRY

(

node_id

)

Value:

        {                                                                                          \
                .channel = (enum sensor_channel)DT_PROP(node_id, channel_type),                    \
                .channel_index = DT_PROP(node_id, channel_index),                                  \
                .telem_tag = DT_PROP(node_id, telemetry_tag),                                      \
                .scale_micro = DT_PROP(node_id, scale_micro),                                      \
        },

BH_ARC_TELEM_RCV_BUF_LEN

#define BH_ARC_TELEM_RCV_BUF_LEN   7U

DT_DRV_COMPAT

#define DT_DRV_COMPAT   tenstorrent_bh_arc_telemetry

Function Documentation

bh_arc_telem_decoder_decode()

int bh_arc_telem_decoder_decode ( const uint8_t * buffer, struct sensor_chan_spec chan_spec, uint32_t * fit, uint16_t max_count, void * data_out )

static

bh_arc_telem_decoder_get_frame_count()

int bh_arc_telem_decoder_get_frame_count ( const uint8_t * buffer, struct sensor_chan_spec chan_spec, uint16_t * frame_count )

static

bh_arc_telem_decoder_get_size_info()

int bh_arc_telem_decoder_get_size_info ( struct sensor_chan_spec channel, size_t * base_size, size_t * frame_size )

static

bh_arc_telem_decoder_has_trigger()

bool bh_arc_telem_decoder_has_trigger ( const uint8_t * buffer, enum sensor_trigger_type trig )

static

bh_arc_telem_find_map()

const struct bh_arc_telem_map * bh_arc_telem_find_map ( const struct bh_arc_telem_config * cfg, enum sensor_channel channel, uint8_t channel_index )

static

bh_arc_telem_get_decoder()

int bh_arc_telem_get_decoder ( const struct device * dev, const struct sensor_decoder_api ** decoder )

static

bh_arc_telem_init()

int bh_arc_telem_init ( const struct device * dev )

static

bh_arc_telem_raw_to_sensor_value()

int bh_arc_telem_raw_to_sensor_value ( uint8_t telem_tag, int32_t scale_micro, uint32_t raw, struct sensor_value * val )

static

bh_arc_telem_read_raw()

int bh_arc_telem_read_raw ( const struct bh_arc_telem_config * cfg, const struct bh_arc_telem_map * map, uint32_t * raw )

static

bh_arc_telem_submit()

void bh_arc_telem_submit ( const struct device * sensor, struct rtio_iodev_sqe * sqe )

static

bh_arc_telem_submit_sample()

void bh_arc_telem_submit_sample ( struct rtio_iodev_sqe * iodev_sqe )

static

DEVICE_API()

DEVICE_API ( sensor , bh_arc_telem_api  )

static

LOG_MODULE_REGISTER()

LOG_MODULE_REGISTER	(	bh_arc_telem	,
		CONFIG_SENSOR_LOG_LEVEL	)

SENSOR_DECODER_API_DT_DEFINE()

SENSOR_DECODER_API_DT_DEFINE

(

)