diff options
Diffstat (limited to 'include/sound/compress_driver.h')
| -rw-r--r-- | include/sound/compress_driver.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/sound/compress_driver.h b/include/sound/compress_driver.h index bcf872c17dd3..b55c9eeb2b54 100644 --- a/include/sound/compress_driver.h +++ b/include/sound/compress_driver.h @@ -20,6 +20,30 @@ struct snd_compr_ops; /** + * struct snd_compr_task_runtime: task runtime description + * @list: list of all managed tasks + * @input: input DMA buffer + * @output: output DMA buffer + * @seqno: sequence number + * @input_size: really used data in the input buffer + * @output_size: really used data in the output buffer + * @flags: see SND_COMPRESS_TFLG_* + * @state: actual task state + * @private_value: used by the lowlevel driver (opaque) + */ +struct snd_compr_task_runtime { + struct list_head list; + struct dma_buf *input; + struct dma_buf *output; + u64 seqno; + u64 input_size; + u64 output_size; + u32 flags; + u8 state; + void *private_value; +}; + +/** * struct snd_compr_runtime: runtime stream description * @state: stream state * @ops: pointer to DSP callbacks @@ -37,6 +61,10 @@ struct snd_compr_ops; * @dma_addr: physical buffer address (not accessible from main CPU) * @dma_bytes: size of DMA area * @dma_buffer_p: runtime dma buffer pointer + * @active_tasks: count of active tasks + * @total_tasks: count of all tasks + * @task_seqno: last task sequence number (!= 0) + * @tasks: list of all tasks */ struct snd_compr_runtime { snd_pcm_state_t state; @@ -54,6 +82,13 @@ struct snd_compr_runtime { dma_addr_t dma_addr; size_t dma_bytes; struct snd_dma_buffer *dma_buffer_p; + +#if IS_ENABLED(CONFIG_SND_COMPRESS_ACCEL) + u32 active_tasks; + u32 total_tasks; + u64 task_seqno; + struct list_head tasks; +#endif }; /** @@ -108,6 +143,10 @@ struct snd_compr_stream { * Not valid if copy is implemented * @get_caps: Retrieve DSP capabilities, mandatory * @get_codec_caps: Retrieve capabilities for a specific codec, mandatory + * @task_create: Create a set of input/output buffers for accel operations + * @task_start: Start (queue) a task for accel operations + * @task_stop: Stop (dequeue) a task for accel operations + * @task_free: Free a set of input/output buffers for accel operations */ struct snd_compr_ops { int (*open)(struct snd_compr_stream *stream); @@ -132,6 +171,12 @@ struct snd_compr_ops { struct snd_compr_caps *caps); int (*get_codec_caps) (struct snd_compr_stream *stream, struct snd_compr_codec_caps *codec); +#if IS_ENABLED(CONFIG_SND_COMPRESS_ACCEL) + int (*task_create) (struct snd_compr_stream *stream, struct snd_compr_task_runtime *task); + int (*task_start) (struct snd_compr_stream *stream, struct snd_compr_task_runtime *task); + int (*task_stop) (struct snd_compr_stream *stream, struct snd_compr_task_runtime *task); + int (*task_free) (struct snd_compr_stream *stream, struct snd_compr_task_runtime *task); +#endif }; /** @@ -242,4 +287,9 @@ int snd_compr_free_pages(struct snd_compr_stream *stream); int snd_compr_stop_error(struct snd_compr_stream *stream, snd_pcm_state_t state); +#if IS_ENABLED(CONFIG_SND_COMPRESS_ACCEL) +void snd_compr_task_finished(struct snd_compr_stream *stream, + struct snd_compr_task_runtime *task); +#endif + #endif |