zephyr/soc/mediatek/mtk_adsp/soc.h

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/* Copyright 2023 The ChromiumOS Authors
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_SOC_MTK_ADSP_SOC_H
#define ZEPHYR_SOC_MTK_ADSP_SOC_H
#include <zephyr/device.h>
void mtk_adsp_cpu_freq_init(void);
void mtk_adsp_set_cpu_freq(int mhz);
/* Mailbox Driver: */
/* Hardware defines multiple "channel" bits that can be independently
* signaled and cleared. An interrupt is latched if any bits are
* set.
*/
#define MTK_ADSP_MBOX_CHANNELS 5
typedef void (*mtk_adsp_mbox_handler_t)(const struct device *mbox, void *arg);
void mtk_adsp_mbox_set_handler(const struct device *mbox, uint32_t chan,
mtk_adsp_mbox_handler_t handler, void *arg);
/* Mailbox hardware has an array of unstructured "message" data in
* each direction. Any value can be placed in the registers.
*/
#define MTK_ADSP_MBOX_MSG_WORDS 5
void mtk_adsp_mbox_set_msg(const struct device *mbox, uint32_t idx, uint32_t val);
uint32_t mtk_adsp_mbox_get_msg(const struct device *mbox, uint32_t idx);
/* Signal an interrupt on the specified channel for the other side */
void mtk_adsp_mbox_signal(const struct device *mbox, uint32_t chan);
#endif /* ZEPHYR_SOC_MTK_ADSP_SOC_H */