bh_power.c File Reference

#include <tenstorrent/bh_power.h>
#include <tenstorrent/smc_msg.h>
#include <tenstorrent/msgqueue.h>
#include <zephyr/logging/log.h>
#include <zephyr/drivers/clock_control.h>
#include <zephyr/drivers/clock_control/clock_control_tt_bh.h>
#include <zephyr/drivers/misc/bh_fwtable.h>
#include <zephyr/kernel.h>
#include "noc_init.h"
#include "aiclk_ppm.h"
#include "gddr.h"
#include "bh_reset.h"

Enumerations
enum	power_bit_flags_e {   power_bit_flag_aiclk ,   power_bit_flag_mrisc ,   power_bit_flag_tensix ,   power_bit_flag_l2cpu ,   power_bit_flag_max }
enum	power_settings_e { power_settings_max }

Functions
	LOG_MODULE_REGISTER (power, CONFIG_TT_APP_LOG_LEVEL)
int32_t	bh_set_l2cpu_enable (bool enable)
bool	bh_get_aiclk_busy (void)
static int32_t	apply_power_settings (const struct power_setting_rqst *power_setting)
static uint8_t	power_setting_msg_handler (const union request *request, struct response *response)
	Handles the request to set the power settings.
	REGISTER_MESSAGE (TT_SMC_MSG_POWER_SETTING, power_setting_msg_handler)

Variables
static const struct device *	pll4 = DEVICE_DT_GET_OR_NULL(DT_NODELABEL(pll4))
static const struct device *	fwtable_dev = DEVICE_DT_GET_OR_NULL(DT_NODELABEL(fwtable))
static bool	power_state [power_bit_flag_max]

Enumeration Type Documentation

power_bit_flags_e

enum power_bit_flags_e

Enumerator
power_bit_flag_aiclk
power_bit_flag_mrisc
power_bit_flag_tensix
power_bit_flag_l2cpu
power_bit_flag_max

power_settings_e

enum power_settings_e

Enumerator
power_settings_max

Function Documentation

apply_power_settings()

int32_t apply_power_settings ( const struct power_setting_rqst * power_setting )

static

bh_get_aiclk_busy()

bool bh_get_aiclk_busy

(

void

)

bh_set_l2cpu_enable()

int32_t bh_set_l2cpu_enable

(

bool

enable

)

LOG_MODULE_REGISTER()

LOG_MODULE_REGISTER	(	power	,
		CONFIG_TT_APP_LOG_LEVEL	)

power_setting_msg_handler()

uint8_t power_setting_msg_handler ( const union request * request, struct response * response )

static

Handles the request to set the power settings.

Parameters

[in]	request	The request, of type power_setting_rqst_t, with command code TT_SMC_MSG_POWER_SETTING
[out]	response	The response to the host

Returns

0 for success. 1 for Failure.

REGISTER_MESSAGE()

REGISTER_MESSAGE	(	TT_SMC_MSG_POWER_SETTING	,
		power_setting_msg_handler	)

Variable Documentation

fwtable_dev

const struct device* fwtable_dev = DEVICE_DT_GET_OR_NULL(DT_NODELABEL(fwtable))

static

pll4

const struct device* pll4 = DEVICE_DT_GET_OR_NULL(DT_NODELABEL(pll4))

static

power_state

bool power_state[power_bit_flag_max]

static

Initial value:

= {
        false,
        true,
        true,
        true,
}