177 	unsigned buf_idx = shm->area->read_buf_idx & CRAS_SHM_BUFFERS_MASK;  in cras_shm_get_readable_frames()  local
184 					   shm->area->read_offset[buf_idx]);  in cras_shm_get_readable_frames()
187 					    shm->area->write_offset[buf_idx]);  in cras_shm_get_readable_frames()
192 		buf_idx = (buf_idx + 1) & CRAS_SHM_BUFFERS_MASK;  in cras_shm_get_readable_frames()
194 				shm, shm->area->write_offset[buf_idx]);  in cras_shm_get_readable_frames()
202 	return cras_shm_buff_for_idx(shm, buf_idx) + final_offset;  in cras_shm_get_readable_frames()
239 	size_t buf_idx = shm->area->read_buf_idx & CRAS_SHM_BUFFERS_MASK;  in cras_shm_get_frames_in_curr_buffer()  local
243 	read_offset = MIN(shm->area->read_offset[buf_idx], used_size);  in cras_shm_get_frames_in_curr_buffer()
244 	write_offset = MIN(shm->area->write_offset[buf_idx], used_size);  in cras_shm_get_frames_in_curr_buffer()
255 	size_t buf_idx = shm->area->write_buf_idx & CRAS_SHM_BUFFERS_MASK;  in cras_shm_is_buffer_available()  local
257 	return (shm->area->write_offset[buf_idx] == 0);  in cras_shm_is_buffer_available()
298 	size_t buf_idx = shm->area->write_buf_idx & CRAS_SHM_BUFFERS_MASK;  in cras_shm_buffer_written()  local
303 	shm->area->write_offset[buf_idx] += frames * shm->config.frame_bytes;  in cras_shm_buffer_written()
304 	shm->area->read_offset[buf_idx] = 0;  in cras_shm_buffer_written()
311 	size_t buf_idx = shm->area->write_buf_idx & CRAS_SHM_BUFFERS_MASK;  in cras_shm_frames_written()  local
313 	return shm->area->write_offset[buf_idx] / shm->config.frame_bytes;  in cras_shm_frames_written()
319 	size_t buf_idx = shm->area->write_buf_idx & CRAS_SHM_BUFFERS_MASK;  in cras_shm_buffer_write_complete()  local
321 	shm->area->write_in_progress[buf_idx] = 0;  in cras_shm_buffer_write_complete()
324 	buf_idx = (buf_idx + 1) & CRAS_SHM_BUFFERS_MASK;  in cras_shm_buffer_write_complete()
325 	shm->area->write_buf_idx = buf_idx;  in cras_shm_buffer_write_complete()
332 	size_t buf_idx = shm->area->write_buf_idx & CRAS_SHM_BUFFERS_MASK;  in cras_shm_buffer_written_start()  local
334 	shm->area->write_offset[buf_idx] = frames * shm->config.frame_bytes;  in cras_shm_buffer_written_start()
335 	shm->area->read_offset[buf_idx] = 0;  in cras_shm_buffer_written_start()
344 	size_t buf_idx = shm->area->read_buf_idx & CRAS_SHM_BUFFERS_MASK;  in cras_shm_buffer_read()  local
352 	area->read_offset[buf_idx] += frames * config->frame_bytes;  in cras_shm_buffer_read()
353 	if (area->read_offset[buf_idx] >= area->write_offset[buf_idx]) {  in cras_shm_buffer_read()
354 		remainder = area->read_offset[buf_idx] -  in cras_shm_buffer_read()
355 				area->write_offset[buf_idx];  in cras_shm_buffer_read()
356 		area->read_offset[buf_idx] = 0;  in cras_shm_buffer_read()
357 		area->write_offset[buf_idx] = 0;  in cras_shm_buffer_read()
359 		buf_idx = (buf_idx + 1) & CRAS_SHM_BUFFERS_MASK;  in cras_shm_buffer_read()
360 		if (remainder < area->write_offset[buf_idx]) {  in cras_shm_buffer_read()
361 			area->read_offset[buf_idx] = remainder;  in cras_shm_buffer_read()
364 			area->write_offset[buf_idx] = 0;  in cras_shm_buffer_read()
365 			buf_idx = (buf_idx + 1) & CRAS_SHM_BUFFERS_MASK;  in cras_shm_buffer_read()
367 		area->read_buf_idx = buf_idx;  in cras_shm_buffer_read()
376 	size_t buf_idx = shm->area->read_buf_idx & CRAS_SHM_BUFFERS_MASK;  in cras_shm_buffer_read_current()  local
380 	area->read_offset[buf_idx] += frames * config->frame_bytes;  in cras_shm_buffer_read_current()
381 	if (area->read_offset[buf_idx] >= area->write_offset[buf_idx]) {  in cras_shm_buffer_read_current()
382 		area->read_offset[buf_idx] = 0;  in cras_shm_buffer_read_current()
383 		area->write_offset[buf_idx] = 0;  in cras_shm_buffer_read_current()
384 		buf_idx = (buf_idx + 1) & CRAS_SHM_BUFFERS_MASK;  in cras_shm_buffer_read_current()
385 		area->read_buf_idx = buf_idx;  in cras_shm_buffer_read_current()