490 static void snd_ca0106_pcm_free_substream(struct snd_pcm_runtime *runtime)  in snd_ca0106_pcm_free_substream()  argument
492 	kfree(runtime->private_data);  in snd_ca0106_pcm_free_substream()
566 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_ca0106_pcm_open_playback_channel()  local
577 	runtime->private_data = epcm;  in snd_ca0106_pcm_open_playback_channel()
578 	runtime->private_free = snd_ca0106_pcm_free_substream;  in snd_ca0106_pcm_open_playback_channel()
580 	runtime->hw = snd_ca0106_playback_hw;  in snd_ca0106_pcm_open_playback_channel()
592 	if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)  in snd_ca0106_pcm_open_playback_channel()
594 	if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0)  in snd_ca0106_pcm_open_playback_channel()
614 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_ca0106_pcm_close_playback()  local
615         struct snd_ca0106_pcm *epcm = runtime->private_data;  in snd_ca0106_pcm_close_playback()
659 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_ca0106_pcm_open_capture_channel()  local
672 	runtime->private_data = epcm;  in snd_ca0106_pcm_open_capture_channel()
673 	runtime->private_free = snd_ca0106_pcm_free_substream;  in snd_ca0106_pcm_open_capture_channel()
675 	runtime->hw = snd_ca0106_capture_hw;  in snd_ca0106_pcm_open_capture_channel()
687 	if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)  in snd_ca0106_pcm_open_capture_channel()
690 	if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0)  in snd_ca0106_pcm_open_capture_channel()
699 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_ca0106_pcm_close_capture()  local
700         struct snd_ca0106_pcm *epcm = runtime->private_data;  in snd_ca0106_pcm_close_capture()
758 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_ca0106_pcm_prepare_playback()  local
759 	struct snd_ca0106_pcm *epcm = runtime->private_data;  in snd_ca0106_pcm_prepare_playback()
762 	u32 period_size_bytes = frames_to_bytes(runtime, runtime->period_size);  in snd_ca0106_pcm_prepare_playback()
780 		   channel, runtime->rate, runtime->format,  in snd_ca0106_pcm_prepare_playback()
781 		   runtime->channels, runtime->buffer_size,  in snd_ca0106_pcm_prepare_playback()
782 		   runtime->period_size, runtime->periods,  in snd_ca0106_pcm_prepare_playback()
783 		   frames_to_bytes(runtime, 1));  in snd_ca0106_pcm_prepare_playback()
786 		   runtime->dma_addr, runtime->dma_area, table_base);  in snd_ca0106_pcm_prepare_playback()
794 	switch (runtime->rate) {  in snd_ca0106_pcm_prepare_playback()
818 	switch (runtime->format) {  in snd_ca0106_pcm_prepare_playback()
840         for(i=0; i < runtime->periods; i++) {  in snd_ca0106_pcm_prepare_playback()
841 		table_base[i*2] = runtime->dma_addr + (i * period_size_bytes);  in snd_ca0106_pcm_prepare_playback()
846 	snd_ca0106_ptr_write(emu, PLAYBACK_LIST_SIZE, channel, (runtime->periods - 1) << 19);  in snd_ca0106_pcm_prepare_playback()
848 	snd_ca0106_ptr_write(emu, PLAYBACK_DMA_ADDR, channel, runtime->dma_addr);  in snd_ca0106_pcm_prepare_playback()
849 …snd_ca0106_ptr_write(emu, PLAYBACK_PERIOD_SIZE, channel, frames_to_bytes(runtime, runtime->period_…  in snd_ca0106_pcm_prepare_playback()
871 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_ca0106_pcm_prepare_capture()  local
872 	struct snd_ca0106_pcm *epcm = runtime->private_data;  in snd_ca0106_pcm_prepare_capture()
887 		   channel, runtime->rate, runtime->format,  in snd_ca0106_pcm_prepare_capture()
888 		   runtime->channels, runtime->buffer_size,  in snd_ca0106_pcm_prepare_capture()
889 		   runtime->period_size, runtime->periods,  in snd_ca0106_pcm_prepare_capture()
890 		   frames_to_bytes(runtime, 1));  in snd_ca0106_pcm_prepare_capture()
893 		   runtime->dma_addr, runtime->dma_area, table_base);  in snd_ca0106_pcm_prepare_capture()
899 	switch (runtime->rate) {  in snd_ca0106_pcm_prepare_capture()
920 	switch (runtime->format) {  in snd_ca0106_pcm_prepare_capture()
951 	snd_ca0106_ptr_write(emu, CAPTURE_DMA_ADDR, channel, runtime->dma_addr);  in snd_ca0106_pcm_prepare_capture()
952 …snd_ca0106_ptr_write(emu, CAPTURE_BUFFER_SIZE, channel, frames_to_bytes(runtime, runtime->buffer_s…  in snd_ca0106_pcm_prepare_capture()
963 	struct snd_pcm_runtime *runtime;  in snd_ca0106_pcm_trigger_playback()  local
988 		runtime = s->runtime;  in snd_ca0106_pcm_trigger_playback()
989 		epcm = runtime->private_data;  in snd_ca0106_pcm_trigger_playback()
1030 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_ca0106_pcm_trigger_capture()  local
1031 	struct snd_ca0106_pcm *epcm = runtime->private_data;  in snd_ca0106_pcm_trigger_capture()
1058 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_ca0106_pcm_pointer_playback()  local
1059 	struct snd_ca0106_pcm *epcm = runtime->private_data;  in snd_ca0106_pcm_pointer_playback()
1070 		ptr = (ptr >> 3) * runtime->period_size;  in snd_ca0106_pcm_pointer_playback()
1071 		ptr += bytes_to_frames(runtime,  in snd_ca0106_pcm_pointer_playback()
1073 		if (ptr >= runtime->buffer_size)  in snd_ca0106_pcm_pointer_playback()
1074 			ptr -= runtime->buffer_size;  in snd_ca0106_pcm_pointer_playback()
1088 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_ca0106_pcm_pointer_capture()  local
1089 	struct snd_ca0106_pcm *epcm = runtime->private_data;  in snd_ca0106_pcm_pointer_capture()
1097 	ptr2 = bytes_to_frames(runtime, ptr1);  in snd_ca0106_pcm_pointer_capture()
1099         if (ptr >= runtime->buffer_size)  in snd_ca0106_pcm_pointer_capture()
1100 		ptr -= runtime->buffer_size;  in snd_ca0106_pcm_pointer_capture()