223 	struct snd_pcm_substream *substream;	/* assigned PCM substream */  member
326 				    struct snd_pcm_substream *substream,  in atiixp_build_dma_packets()  argument
355 	addr = (u32)substream->runtime->dma_addr;  in atiixp_build_dma_packets()
385 				     struct snd_pcm_substream *substream)  in atiixp_clear_dma_packets()  argument
610 static snd_pcm_uframes_t snd_atiixp_pcm_pointer(struct snd_pcm_substream *substream)  in snd_atiixp_pcm_pointer()  argument
612 	struct atiixp_modem *chip = snd_pcm_substream_chip(substream);  in snd_atiixp_pcm_pointer()
613 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_atiixp_pcm_pointer()
638 	if (! dma->substream || ! dma->running)  in snd_atiixp_xrun_dma()
641 	snd_pcm_stop_xrun(dma->substream);  in snd_atiixp_xrun_dma()
650 	if (! dma->substream || ! dma->running)  in snd_atiixp_update_dma()
652 	snd_pcm_period_elapsed(dma->substream);  in snd_atiixp_update_dma()
671 static int snd_atiixp_pcm_trigger(struct snd_pcm_substream *substream, int cmd)  in snd_atiixp_pcm_trigger()  argument
673 	struct atiixp_modem *chip = snd_pcm_substream_chip(substream);  in snd_atiixp_pcm_trigger()
674 	struct atiixp_dma *dma = substream->runtime->private_data;  in snd_atiixp_pcm_trigger()
768 static int snd_atiixp_playback_prepare(struct snd_pcm_substream *substream)  in snd_atiixp_playback_prepare()  argument
770 	struct atiixp_modem *chip = snd_pcm_substream_chip(substream);  in snd_atiixp_playback_prepare()
784 static int snd_atiixp_capture_prepare(struct snd_pcm_substream *substream)  in snd_atiixp_capture_prepare()  argument
792 static int snd_atiixp_pcm_hw_params(struct snd_pcm_substream *substream,  in snd_atiixp_pcm_hw_params()  argument
795 	struct atiixp_modem *chip = snd_pcm_substream_chip(substream);  in snd_atiixp_pcm_hw_params()
796 	struct atiixp_dma *dma = substream->runtime->private_data;  in snd_atiixp_pcm_hw_params()
800 	err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));  in snd_atiixp_pcm_hw_params()
803 	dma->buf_addr = substream->runtime->dma_addr;  in snd_atiixp_pcm_hw_params()
806 	err = atiixp_build_dma_packets(chip, dma, substream,  in snd_atiixp_pcm_hw_params()
823 static int snd_atiixp_pcm_hw_free(struct snd_pcm_substream *substream)  in snd_atiixp_pcm_hw_free()  argument
825 	struct atiixp_modem *chip = snd_pcm_substream_chip(substream);  in snd_atiixp_pcm_hw_free()
826 	struct atiixp_dma *dma = substream->runtime->private_data;  in snd_atiixp_pcm_hw_free()
828 	atiixp_clear_dma_packets(chip, dma, substream);  in snd_atiixp_pcm_hw_free()
829 	snd_pcm_lib_free_pages(substream);  in snd_atiixp_pcm_hw_free()
857 static int snd_atiixp_pcm_open(struct snd_pcm_substream *substream,  in snd_atiixp_pcm_open()  argument
860 	struct atiixp_modem *chip = snd_pcm_substream_chip(substream);  in snd_atiixp_pcm_open()
861 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_atiixp_pcm_open()
875 	dma->substream = substream;  in snd_atiixp_pcm_open()
896 static int snd_atiixp_pcm_close(struct snd_pcm_substream *substream,  in snd_atiixp_pcm_close()  argument
899 	struct atiixp_modem *chip = snd_pcm_substream_chip(substream);  in snd_atiixp_pcm_close()
906 	dma->substream = NULL;  in snd_atiixp_pcm_close()
913 static int snd_atiixp_playback_open(struct snd_pcm_substream *substream)  in snd_atiixp_playback_open()  argument
915 	struct atiixp_modem *chip = snd_pcm_substream_chip(substream);  in snd_atiixp_playback_open()
919 	err = snd_atiixp_pcm_open(substream, &chip->dmas[ATI_DMA_PLAYBACK], 0);  in snd_atiixp_playback_open()
926 static int snd_atiixp_playback_close(struct snd_pcm_substream *substream)  in snd_atiixp_playback_close()  argument
928 	struct atiixp_modem *chip = snd_pcm_substream_chip(substream);  in snd_atiixp_playback_close()
931 	err = snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_PLAYBACK]);  in snd_atiixp_playback_close()
936 static int snd_atiixp_capture_open(struct snd_pcm_substream *substream)  in snd_atiixp_capture_open()  argument
938 	struct atiixp_modem *chip = snd_pcm_substream_chip(substream);  in snd_atiixp_capture_open()
939 	return snd_atiixp_pcm_open(substream, &chip->dmas[ATI_DMA_CAPTURE], 1);  in snd_atiixp_capture_open()
942 static int snd_atiixp_capture_close(struct snd_pcm_substream *substream)  in snd_atiixp_capture_close()  argument
944 	struct atiixp_modem *chip = snd_pcm_substream_chip(substream);  in snd_atiixp_capture_close()
945 	return snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_CAPTURE]);  in snd_atiixp_capture_close()