Lines Matching refs:runtime
172 static void check_buf_block_i(struct pcmtst_buf_iter *v_iter, struct snd_pcm_runtime *runtime)
179 current_byte = runtime->dma_area[v_iter->buf_pos];
182 ch_num = (v_iter->total_bytes / v_iter->sample_bytes) % runtime->channels;
184 runtime->channels,
190 inc_buf_pos(v_iter, 1, runtime->dma_bytes);
193 inc_buf_pos(v_iter, v_iter->b_rw - i, runtime->dma_bytes);
196 static void check_buf_block_ni(struct pcmtst_buf_iter *v_iter, struct snd_pcm_runtime *runtime)
198 unsigned int channels = runtime->channels;
205 current_byte = runtime->dma_area[buf_pos_n(v_iter, channels, ch_num)];
213 inc_buf_pos(v_iter, 1, runtime->dma_bytes);
215 inc_buf_pos(v_iter, v_iter->b_rw - i, runtime->dma_bytes);
223 static void check_buf_block(struct pcmtst_buf_iter *v_iter, struct snd_pcm_runtime *runtime)
226 check_buf_block_i(v_iter, runtime);
228 check_buf_block_ni(v_iter, runtime);
239 static void fill_block_pattern_n(struct pcmtst_buf_iter *v_iter, struct snd_pcm_runtime *runtime)
242 unsigned int channels = runtime->channels;
247 runtime->dma_area[buf_pos_n(v_iter, channels, ch_num)] =
250 inc_buf_pos(v_iter, 1, runtime->dma_bytes);
255 static void fill_block_pattern_i(struct pcmtst_buf_iter *v_iter, struct snd_pcm_runtime *runtime)
261 pos_in_ch = ch_pos_i(v_iter->total_bytes, runtime->channels, v_iter->sample_bytes);
264 for (ch = 0; ch < runtime->channels; ch++) {
268 runtime->dma_area[v_iter->buf_pos] = patt_bufs[ch].buf[pos_pattern];
269 inc_buf_pos(v_iter, 1, runtime->dma_bytes);
275 static void fill_block_pattern(struct pcmtst_buf_iter *v_iter, struct snd_pcm_runtime *runtime)
278 fill_block_pattern_i(v_iter, runtime);
280 fill_block_pattern_n(v_iter, runtime);
283 static void fill_block_rand_n(struct pcmtst_buf_iter *v_iter, struct snd_pcm_runtime *runtime)
285 unsigned int channels = runtime->channels;
287 size_t bytes_remain = runtime->dma_bytes - v_iter->buf_pos;
293 get_random_bytes(runtime->dma_area + buf_pos_n(v_iter, channels, i),
297 get_random_bytes(runtime->dma_area + buf_pos_n(v_iter, channels, i),
299 get_random_bytes(runtime->dma_area + v_iter->chan_block * i,
303 inc_buf_pos(v_iter, v_iter->b_rw, runtime->dma_bytes);
306 static void fill_block_rand_i(struct pcmtst_buf_iter *v_iter, struct snd_pcm_runtime *runtime)
308 size_t in_cur_block = runtime->dma_bytes - v_iter->buf_pos;
311 get_random_bytes(&runtime->dma_area[v_iter->buf_pos], v_iter->b_rw);
313 get_random_bytes(&runtime->dma_area[v_iter->buf_pos], in_cur_block);
314 get_random_bytes(runtime->dma_area, v_iter->b_rw - in_cur_block);
316 inc_buf_pos(v_iter, v_iter->b_rw, runtime->dma_bytes);
319 static void fill_block_random(struct pcmtst_buf_iter *v_iter, struct snd_pcm_runtime *runtime)
322 fill_block_rand_i(v_iter, runtime);
324 fill_block_rand_n(v_iter, runtime);
327 static void fill_block(struct pcmtst_buf_iter *v_iter, struct snd_pcm_runtime *runtime)
331 fill_block_random(v_iter, runtime);
334 fill_block_pattern(v_iter, runtime);
356 check_buf_block(v_iter, substream->runtime);
358 fill_block(v_iter, substream->runtime);
360 inc_buf_pos(v_iter, v_iter->b_rw, substream->runtime->dma_bytes);
374 struct snd_pcm_runtime *runtime = substream->runtime;
385 runtime->hw = snd_pcmtst_hw;
386 runtime->private_data = v_iter;
398 struct pcmtst_buf_iter *v_iter = substream->runtime->private_data;
422 struct pcmtst_buf_iter *v_iter = substream->runtime->private_data;
447 struct pcmtst_buf_iter *v_iter = substream->runtime->private_data;
449 return bytes_to_frames(substream->runtime, v_iter->buf_pos);
472 struct snd_pcm_runtime *runtime = substream->runtime;
473 struct pcmtst_buf_iter *v_iter = runtime->private_data;
478 v_iter->sample_bytes = samples_to_bytes(runtime, 1);
481 if (runtime->access == SNDRV_PCM_ACCESS_RW_NONINTERLEAVED ||
482 runtime->access == SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED) {
483 v_iter->chan_block = snd_pcm_lib_buffer_bytes(substream) / runtime->channels;
487 v_iter->s_rw_ch = runtime->rate / TIMER_PER_SEC;
488 v_iter->b_rw = v_iter->s_rw_ch * v_iter->sample_bytes * runtime->channels;
518 struct pcmtst_buf_iter *v_iter = substream->runtime->private_data;