1 files changed, 58 insertions, 0 deletions
diff --git a/sound/soc/sprd/sprd-pcm-dma.h b/sound/soc/sprd/sprd-pcm-dma.h
new file mode 100644
index 000000000..be5e385f5
--- /dev/null
+++ b/sound/soc/sprd/sprd-pcm-dma.h
@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#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_compress_ops sprd_platform_compress_ops;
+
+struct sprd_pcm_dma_params {
+	dma_addr_t dev_phys[SPRD_PCM_CHANNEL_MAX];
+	u32 datawidth[SPRD_PCM_CHANNEL_MAX];
+	u32 fragment_len[SPRD_PCM_CHANNEL_MAX];
+	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 */