93 lines
2.4 KiB
C
93 lines
2.4 KiB
C
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/*
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* tegra_nvfx_plugin.h - Shared NVFX interface for different plugins between
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* Tegra ADSP ALSA driver and ADSP side user space code.
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*
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* Copyright (c) 2014-2017, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*/
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#ifndef _TEGRA_NVFX_PLUGIN_H_
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#define _TEGRA_NVFX_PLUGIN_H_
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/* Mode */
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#define ADMA_MODE_ONESHOT 1
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#define ADMA_MODE_CONTINUOUS 2
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#define ADMA_MODE_LINKED_LIST 4
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/* Direction */
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#define ADMA_MEMORY_TO_MEMORY 1
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#define ADMA_AHUB_TO_MEMORY 2
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#define ADMA_MEMORY_TO_AHUB 4
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#define ADMA_AHUB_TO_AHUB 8
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#define EAVB_RX_DMA 0
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#define EAVB_TX_DMA 1
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/* EAVB DMA PLUGIN NAMES */
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#define EAVB_RX_PLUGIN "eavb_dma_rx"
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#define EAVB_TX_PLUGIN "eavb_dma_tx"
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/* ADMA plugin related interface */
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enum {
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/* NVFX ADMA params */
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nvfx_adma_method_init = nvfx_method_external_start,
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nvfx_adma_method_get_position,
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nvfx_adma_set_custom_params,
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nvfx_adma_set_null_sink_mode,
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};
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typedef struct {
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nvfx_call_params_t call_params;
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int32_t adma_channel;
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int32_t mode;
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int32_t direction;
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int32_t ahub_channel;
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int32_t periods;
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uint32_t adma_ch_page;
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variant_t event;
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uint32_t burst_size;
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uint32_t intr_dur;
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} nvfx_adma_init_params_t;
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typedef struct {
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nvfx_call_params_t nvfx_call_params;
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uint32_t is_enabled;
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uint32_t buffer;
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uint32_t offset;
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uint64_t bytes_transferred;
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} nvfx_adma_get_position_params_t;
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typedef union {
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nvfx_req_call_params_t req_call;
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nvfx_adma_init_params_t init;
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nvfx_adma_get_position_params_t get_position;
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} nvfx_adma_req_call_params_t;
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/* EAVB DMA plugin related interface */
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enum {
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/* NVFX EAVB DMA params */
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nvfx_eavbdma_method_init = nvfx_method_external_start,
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nvfx_eavbdma_method_get_position,
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};
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typedef struct {
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nvfx_call_params_t call_params;
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int32_t direction;
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variant_t event;
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} nvfx_eavbdma_init_params_t;
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typedef union {
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nvfx_req_call_params_t req_call;
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nvfx_eavbdma_init_params_t init;
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} nvfx_eavbdma_req_call_params_t;
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#endif /* #ifndef _TEGRA_NVFX_PLUGIN_H_ */
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