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Diffstat (limited to 'sound/soc/sprd/sprd-pcm-dma.h')
-rw-r--r--sound/soc/sprd/sprd-pcm-dma.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/sound/soc/sprd/sprd-pcm-dma.h b/sound/soc/sprd/sprd-pcm-dma.h
index d85a34f1461d..08e9fdba82f1 100644
--- a/sound/soc/sprd/sprd-pcm-dma.h
+++ b/sound/soc/sprd/sprd-pcm-dma.h
@@ -3,8 +3,11 @@
#ifndef __SPRD_PCM_DMA_H
#define __SPRD_PCM_DMA_H
+#define DRV_NAME "sprd_pcm_dma"
#define SPRD_PCM_CHANNEL_MAX 2
+extern const struct snd_compr_ops sprd_platform_compr_ops;
+
struct sprd_pcm_dma_params {
dma_addr_t dev_phys[SPRD_PCM_CHANNEL_MAX];
u32 datawidth[SPRD_PCM_CHANNEL_MAX];
@@ -12,4 +15,44 @@ struct sprd_pcm_dma_params {
const char *chan_name[SPRD_PCM_CHANNEL_MAX];
};
+struct sprd_compr_playinfo {
+ int total_time;
+ int current_time;
+ int total_data_length;
+ int current_data_offset;
+};
+
+struct sprd_compr_params {
+ u32 direction;
+ u32 rate;
+ u32 sample_rate;
+ u32 channels;
+ u32 format;
+ u32 period;
+ u32 periods;
+ u32 info_phys;
+ u32 info_size;
+};
+
+struct sprd_compr_callback {
+ void (*drain_notify)(void *data);
+ void *drain_data;
+};
+
+struct sprd_compr_ops {
+ int (*open)(int str_id, struct sprd_compr_callback *cb);
+ int (*close)(int str_id);
+ int (*start)(int str_id);
+ int (*stop)(int str_id);
+ int (*pause)(int str_id);
+ int (*pause_release)(int str_id);
+ int (*drain)(int received_total);
+ int (*set_params)(int str_id, struct sprd_compr_params *params);
+};
+
+struct sprd_compr_data {
+ struct sprd_compr_ops *ops;
+ struct sprd_pcm_dma_params *dma_params;
+};
+
#endif /* __SPRD_PCM_DMA_H */