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