59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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#ifndef __SPRD_PCM_DMA_H
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#define __SPRD_PCM_DMA_H
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#define DRV_NAME "sprd_pcm_dma"
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#define SPRD_PCM_CHANNEL_MAX 2
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extern const struct snd_compr_ops sprd_platform_compr_ops;
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struct sprd_pcm_dma_params {
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dma_addr_t dev_phys[SPRD_PCM_CHANNEL_MAX];
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u32 datawidth[SPRD_PCM_CHANNEL_MAX];
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u32 fragment_len[SPRD_PCM_CHANNEL_MAX];
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const char *chan_name[SPRD_PCM_CHANNEL_MAX];
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};
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struct sprd_compr_playinfo {
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int total_time;
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int current_time;
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int total_data_length;
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int current_data_offset;
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};
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struct sprd_compr_params {
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u32 direction;
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u32 rate;
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u32 sample_rate;
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u32 channels;
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u32 format;
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u32 period;
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u32 periods;
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u32 info_phys;
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u32 info_size;
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};
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struct sprd_compr_callback {
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void (*drain_notify)(void *data);
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void *drain_data;
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};
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struct sprd_compr_ops {
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int (*open)(int str_id, struct sprd_compr_callback *cb);
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int (*close)(int str_id);
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int (*start)(int str_id);
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int (*stop)(int str_id);
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int (*pause)(int str_id);
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int (*pause_release)(int str_id);
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int (*drain)(int received_total);
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int (*set_params)(int str_id, struct sprd_compr_params *params);
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};
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struct sprd_compr_data {
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struct sprd_compr_ops *ops;
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struct sprd_pcm_dma_params *dma_params;
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};
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#endif /* __SPRD_PCM_DMA_H */
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