111 	vfree(substream->runtime->dma_area);  in dsp_buffer_free()
112 	substream->runtime->dma_area = NULL;  in dsp_buffer_free()
113 	substream->runtime->dma_bytes = 0;  in dsp_buffer_free()
122 	if (substream->runtime->dma_area) {  in dsp_buffer_alloc()
123 		if (substream->runtime->dma_bytes > size)  in dsp_buffer_alloc()
129 	substream->runtime->dma_area = vmalloc(size);  in dsp_buffer_alloc()
130 	if (!substream->runtime->dma_area)  in dsp_buffer_alloc()
133 	substream->runtime->dma_bytes = size;  in dsp_buffer_alloc()
174 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_tm6000_pcm_open()  local
177 	err = snd_pcm_hw_constraint_pow2(runtime, 0,  in snd_tm6000_pcm_open()
184 	runtime->hw = snd_tm6000_digital_hw;  in snd_tm6000_pcm_open()
185 	snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);  in snd_tm6000_pcm_open()
213 	struct snd_pcm_runtime *runtime;  in tm6000_fillbuf()  local
226 	runtime = substream->runtime;  in tm6000_fillbuf()
227 	if (!runtime || !runtime->dma_area) {  in tm6000_fillbuf()
233 	stride = runtime->frame_bits >> 3;  in tm6000_fillbuf()
247 		runtime->dma_area, buf_pos,  in tm6000_fillbuf()
248 		(unsigned int)runtime->buffer_size, stride);  in tm6000_fillbuf()
250 	if (buf_pos + length >= runtime->buffer_size) {  in tm6000_fillbuf()
251 		unsigned int cnt = runtime->buffer_size - buf_pos;  in tm6000_fillbuf()
252 		memcpy(runtime->dma_area + buf_pos * stride, buf, cnt * stride);  in tm6000_fillbuf()
253 		memcpy(runtime->dma_area, buf + cnt * stride,  in tm6000_fillbuf()
256 		memcpy(runtime->dma_area + buf_pos * stride, buf,  in tm6000_fillbuf()
262 	if (chip->buf_pos >= runtime->buffer_size)  in tm6000_fillbuf()
263 		chip->buf_pos -= runtime->buffer_size;  in tm6000_fillbuf()
266 	if (chip->period_pos >= runtime->period_size) {  in tm6000_fillbuf()
267 		chip->period_pos -= runtime->period_size;  in tm6000_fillbuf()
383 	void *pageptr = subs->runtime->dma_area + offset;  in snd_pcm_get_vmalloc_page()