109 	struct audiopipe *pipe = runtime->private_data;  in audiopipe_free()  local
111 	if (pipe->sgpage.area)  in audiopipe_free()
112 		snd_dma_free_pages(&pipe->sgpage);  in audiopipe_free()
113 	kfree(pipe);  in audiopipe_free()
275 	struct audiopipe *pipe;  in pcm_open()  local
284 	pipe = kzalloc(sizeof(struct audiopipe), GFP_KERNEL);  in pcm_open()
285 	if (!pipe)  in pcm_open()
287 	pipe->index = -1;		/* Not configured yet */  in pcm_open()
290 	memcpy(&pipe->hw, &pcm_hardware_skel, sizeof(struct snd_pcm_hardware));  in pcm_open()
292 	pipe->constr.list = channels_list;  in pcm_open()
293 	pipe->constr.mask = 0;  in pcm_open()
295 	pipe->constr.count = i;  in pcm_open()
296 	if (pipe->hw.channels_max > max_channels)  in pcm_open()
297 		pipe->hw.channels_max = max_channels;  in pcm_open()
299 		pipe->hw.rate_max = 48000;  in pcm_open()
300 		pipe->hw.rates &= SNDRV_PCM_RATE_8000_48000;  in pcm_open()
303 	runtime->hw = pipe->hw;  in pcm_open()
304 	runtime->private_data = pipe;  in pcm_open()
311 					      &pipe->constr)) < 0)  in pcm_open()
340 				       PAGE_SIZE, &pipe->sgpage)) < 0) {  in pcm_open()
532 	struct audiopipe *pipe;  in init_engine()  local
535 	pipe = (struct audiopipe *) substream->runtime->private_data;  in init_engine()
541 	if (pipe->index >= 0) {  in init_engine()
542 		dev_dbg(chip->card->dev, "hwp_ie free(%d)\n", pipe->index);  in init_engine()
543 		err = free_pipes(chip, pipe);  in init_engine()
545 		chip->substream[pipe->index] = NULL;  in init_engine()
548 	err = allocate_pipes(chip, pipe, pipe_index, interleave);  in init_engine()
567 		free_pipes(chip, pipe);  in init_engine()
569 		pipe->index = -1;  in init_engine()
573 	sglist_init(chip, pipe);  in init_engine()
584 				sglist_add_mapping(chip, pipe, addr, rest);  in init_engine()
585 				sglist_add_irq(chip, pipe);  in init_engine()
589 				sglist_add_mapping(chip, pipe, addr,  in init_engine()
602 	sglist_wrap(chip, pipe);  in init_engine()
608 	pipe->last_counter = 0;  in init_engine()
609 	pipe->position = 0;  in init_engine()
672 	struct audiopipe *pipe;  in pcm_hw_free()  local
675 	pipe = (struct audiopipe *) substream->runtime->private_data;  in pcm_hw_free()
678 	if (pipe->index >= 0) {  in pcm_hw_free()
679 		dev_dbg(chip->card->dev, "pcm_hw_free(%d)\n", pipe->index);  in pcm_hw_free()
680 		free_pipes(chip, pipe);  in pcm_hw_free()
681 		chip->substream[pipe->index] = NULL;  in pcm_hw_free()
682 		pipe->index = -1;  in pcm_hw_free()
740 	struct audiopipe *pipe = runtime->private_data;  in pcm_trigger()  local
761 				pipe = chip->substream[i]->runtime->private_data;  in pcm_trigger()
762 				switch (pipe->state) {  in pcm_trigger()
765 					pipe->last_counter = 0;  in pcm_trigger()
766 					pipe->position = 0;  in pcm_trigger()
767 					*pipe->dma_counter = 0;  in pcm_trigger()
769 					pipe->state = PIPE_STATE_STARTED;  in pcm_trigger()
783 				pipe = chip->substream[i]->runtime->private_data;  in pcm_trigger()
784 				pipe->state = PIPE_STATE_STOPPED;  in pcm_trigger()
792 				pipe = chip->substream[i]->runtime->private_data;  in pcm_trigger()
793 				pipe->state = PIPE_STATE_PAUSED;  in pcm_trigger()
810 	struct audiopipe *pipe = runtime->private_data;  in pcm_pointer()  local
813 	cnt = le32_to_cpu(*pipe->dma_counter);  in pcm_pointer()
814 	pipe->position += cnt - pipe->last_counter;  in pcm_pointer()
815 	pipe->last_counter = cnt;  in pcm_pointer()
817 	pos = bytes_to_frames(substream->runtime, pipe->position);  in pcm_pointer()
820 		pipe->position -= frames_to_bytes(substream->runtime, bufsize);  in pcm_pointer()