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https://github.com/ARM-software/arm-trusted-firmware.git
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e2469d823b
This patch moves the 'drivers' and the 'lib' folders out of the 'common' folder. This way the 'common' folder shall contain only the platform support required for all Tegra platforms. Change-Id: I2f238572d0a078d60c6b458a559538dc8a4d1856 Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
/*
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* Copyright (c) 2017-2020, NVIDIA Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef BPMP_IVC_H
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#define BPMP_IVC_H
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#include <lib/utils_def.h>
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#include <stdint.h>
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#include <stddef.h>
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#define IVC_ALIGN U(64)
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#define IVC_CHHDR_TX_FIELDS U(16)
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#define IVC_CHHDR_RX_FIELDS U(16)
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struct ivc_channel_header;
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struct ivc {
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struct ivc_channel_header *rx_channel;
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struct ivc_channel_header *tx_channel;
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uint32_t w_pos;
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uint32_t r_pos;
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void (*notify)(const struct ivc *);
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uint32_t nframes;
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uint32_t frame_size;
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};
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/* callback handler for notify on receiving a response */
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typedef void (* ivc_notify_function)(const struct ivc *);
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int32_t tegra_ivc_init(struct ivc *ivc, uintptr_t rx_base, uintptr_t tx_base,
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uint32_t nframes, uint32_t frame_size,
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ivc_notify_function notify);
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size_t tegra_ivc_total_queue_size(size_t queue_size);
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size_t tegra_ivc_align(size_t size);
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int32_t tegra_ivc_channel_notified(struct ivc *ivc);
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void tegra_ivc_channel_reset(const struct ivc *ivc);
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int32_t tegra_ivc_write_advance(struct ivc *ivc);
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void *tegra_ivc_write_get_next_frame(const struct ivc *ivc);
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int32_t tegra_ivc_write(struct ivc *ivc, const void *buf, size_t size);
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int32_t tegra_ivc_read_advance(struct ivc *ivc);
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void *tegra_ivc_read_get_next_frame(const struct ivc *ivc);
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int32_t tegra_ivc_read(struct ivc *ivc, void *buf, size_t max_read);
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bool tegra_ivc_tx_empty(const struct ivc *ivc);
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bool tegra_ivc_can_write(const struct ivc *ivc);
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bool tegra_ivc_can_read(const struct ivc *ivc);
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#endif /* BPMP_IVC_H */
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