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Diffstat (limited to 'sound/soc/tegra/tegra_pcm.h')
| -rw-r--r-- | sound/soc/tegra/tegra_pcm.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/sound/soc/tegra/tegra_pcm.h b/sound/soc/tegra/tegra_pcm.h new file mode 100644 index 000000000..4838cdcee --- /dev/null +++ b/sound/soc/tegra/tegra_pcm.h @@ -0,0 +1,47 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * tegra_pcm.h - Definitions for Tegra PCM driver + * + * Author: Stephen Warren <swarren@nvidia.com> + * Copyright (C) 2010,2012 - NVIDIA, Inc. + * + * Based on code copyright/by: + * + * Copyright (c) 2009-2010, NVIDIA Corporation. + * Scott Peterson <speterson@nvidia.com> + * + * Copyright (C) 2010 Google, Inc. + * Iliyan Malchev <malchev@google.com> + */ + +#ifndef __TEGRA_PCM_H__ +#define __TEGRA_PCM_H__ + +#include <sound/dmaengine_pcm.h> +#include <sound/asound.h> + +int tegra_pcm_construct(struct snd_soc_component *component, + struct snd_soc_pcm_runtime *rtd); +void tegra_pcm_destruct(struct snd_soc_component *component, + struct snd_pcm *pcm); +int tegra_pcm_open(struct snd_soc_component *component, + struct snd_pcm_substream *substream); +int tegra_pcm_close(struct snd_soc_component *component, + struct snd_pcm_substream *substream); +int tegra_pcm_hw_params(struct snd_soc_component *component, + struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params); +int tegra_pcm_hw_free(struct snd_soc_component *component, + struct snd_pcm_substream *substream); +int tegra_pcm_mmap(struct snd_soc_component *component, + struct snd_pcm_substream *substream, + struct vm_area_struct *vma); +snd_pcm_uframes_t tegra_pcm_pointer(struct snd_soc_component *component, + struct snd_pcm_substream *substream); +int tegra_pcm_platform_register(struct device *dev); +int tegra_pcm_platform_register_with_chan_names(struct device *dev, + struct snd_dmaengine_pcm_config *config, + char *txdmachan, char *rxdmachan); +void tegra_pcm_platform_unregister(struct device *dev); + +#endif |