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/*
* tegra_pcm.h - Definitions for Tegra PCM driver
*
* Author: Stephen Warren <swarren@nvidia.com>
* Copyright (c) 2010-2013, NVIDIA CORPORATION. All rights reserved.
*
* Based on code copyright/by:
*
* Copyright (c) 2009-2010, NVIDIA CORPORATION. All rights reserved.
* Scott Peterson <speterson@nvidia.com>
*
* Copyright (C) 2010 Google, Inc.
* Iliyan Malchev <malchev@google.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
#ifndef __TEGRA_PCM_H__
#define __TEGRA_PCM_H__
#include <linux/nvmap.h>
#define MAX_DMA_REQ_COUNT 2
#define TEGRA30_USE_SMMU 0
struct tegra_pcm_dma_params {
unsigned long addr;
unsigned long wrap;
unsigned long width;
unsigned long req_sel;
};
#if TEGRA30_USE_SMMU
struct tegra_smmu_data {
struct nvmap_client *pcm_nvmap_client;
struct nvmap_handle_ref *pcm_nvmap_handle;
};
#endif
struct tegra_runtime_data {
int running;
int disable_intr;
dma_addr_t avp_dma_addr;
};
int tegra_pcm_platform_register(struct device *dev);
void tegra_pcm_platform_unregister(struct device *dev);
#endif
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