81 	struct snd_compr_runtime *runtime;  in snd_compr_open()  local
122 	runtime = kzalloc(sizeof(*runtime), GFP_KERNEL);  in snd_compr_open()
123 	if (!runtime) {  in snd_compr_open()
128 	runtime->state = SNDRV_PCM_STATE_OPEN;  in snd_compr_open()
129 	init_waitqueue_head(&runtime->sleep);  in snd_compr_open()
130 	data->stream.runtime = runtime;  in snd_compr_open()
136 		kfree(runtime);  in snd_compr_open()
146 	struct snd_compr_runtime *runtime = data->stream.runtime;  in snd_compr_free()  local
150 	switch (runtime->state) {  in snd_compr_free()
161 	if (!data->stream.runtime->dma_buffer_p)  in snd_compr_free()
162 		kfree(data->stream.runtime->buffer);  in snd_compr_free()
163 	kfree(data->stream.runtime);  in snd_compr_free()
177 		stream->runtime->total_bytes_transferred = tstamp->copied_total;  in snd_compr_update_tstamp()
179 		stream->runtime->total_bytes_available = tstamp->copied_total;  in snd_compr_update_tstamp()
190 	if (stream->runtime->total_bytes_available == 0 &&  in snd_compr_calc_avail()
191 			stream->runtime->state == SNDRV_PCM_STATE_SETUP &&  in snd_compr_calc_avail()
194 		return stream->runtime->buffer_size;  in snd_compr_calc_avail()
197 			stream->runtime->total_bytes_available,  in snd_compr_calc_avail()
198 			stream->runtime->total_bytes_transferred);  in snd_compr_calc_avail()
199 	if (stream->runtime->total_bytes_available ==  in snd_compr_calc_avail()
200 				stream->runtime->total_bytes_transferred) {  in snd_compr_calc_avail()
203 			return stream->runtime->buffer_size;  in snd_compr_calc_avail()
210 	avail->avail = stream->runtime->total_bytes_available -  in snd_compr_calc_avail()
211 			stream->runtime->total_bytes_transferred;  in snd_compr_calc_avail()
213 		avail->avail = stream->runtime->buffer_size - avail->avail;  in snd_compr_calc_avail()
235 	switch (stream->runtime->state) {  in snd_compr_ioctl_avail()
255 	struct snd_compr_runtime *runtime = stream->runtime;  in snd_compr_write_data()  local
257 	u64 app_pointer = div64_u64(runtime->total_bytes_available,  in snd_compr_write_data()
258 				    runtime->buffer_size);  in snd_compr_write_data()
259 	app_pointer = runtime->total_bytes_available -  in snd_compr_write_data()
260 		      (app_pointer * runtime->buffer_size);  in snd_compr_write_data()
262 	dstn = runtime->buffer + app_pointer;  in snd_compr_write_data()
265 	if (count < runtime->buffer_size - app_pointer) {  in snd_compr_write_data()
269 		copy = runtime->buffer_size - app_pointer;  in snd_compr_write_data()
272 		if (copy_from_user(runtime->buffer, buf + copy, count - copy))  in snd_compr_write_data()
295 	switch (stream->runtime->state) {  in snd_compr_write()
318 		stream->runtime->total_bytes_available += retval;  in snd_compr_write()
322 	if (stream->runtime->state == SNDRV_PCM_STATE_SETUP) {  in snd_compr_write()
323 		stream->runtime->state = SNDRV_PCM_STATE_PREPARED;  in snd_compr_write()
350 	switch (stream->runtime->state) {  in snd_compr_read()
375 		stream->runtime->total_bytes_transferred += retval;  in snd_compr_read()
409 	switch (stream->runtime->state) {  in snd_compr_poll()
418 	poll_wait(f, &stream->runtime->sleep, wait);  in snd_compr_poll()
423 	switch (stream->runtime->state) {  in snd_compr_poll()
429 		stream->runtime->state = SNDRV_PCM_STATE_SETUP;  in snd_compr_poll()
434 		if (avail >= stream->runtime->fragment_size)  in snd_compr_poll()
505 		if (stream->runtime->dma_buffer_p) {  in snd_compr_allocate_buffer()
507 			if (buffer_size > stream->runtime->dma_buffer_p->bytes)  in snd_compr_allocate_buffer()
511 				buffer = stream->runtime->dma_buffer_p->area;  in snd_compr_allocate_buffer()
520 	stream->runtime->fragment_size = params->buffer.fragment_size;  in snd_compr_allocate_buffer()
521 	stream->runtime->fragments = params->buffer.fragments;  in snd_compr_allocate_buffer()
522 	stream->runtime->buffer = buffer;  in snd_compr_allocate_buffer()
523 	stream->runtime->buffer_size = buffer_size;  in snd_compr_allocate_buffer()
551 	if (stream->runtime->state == SNDRV_PCM_STATE_OPEN) {  in snd_compr_set_params()
577 		stream->runtime->state = SNDRV_PCM_STATE_SETUP;  in snd_compr_set_params()
669 	if (stream->runtime->state != SNDRV_PCM_STATE_RUNNING)  in snd_compr_pause()
673 		stream->runtime->state = SNDRV_PCM_STATE_PAUSED;  in snd_compr_pause()
681 	if (stream->runtime->state != SNDRV_PCM_STATE_PAUSED)  in snd_compr_resume()
685 		stream->runtime->state = SNDRV_PCM_STATE_RUNNING;  in snd_compr_resume()
693 	switch (stream->runtime->state) {  in snd_compr_start()
706 		stream->runtime->state = SNDRV_PCM_STATE_RUNNING;  in snd_compr_start()
714 	switch (stream->runtime->state) {  in snd_compr_stop()
726 		stream->runtime->total_bytes_available = 0;  in snd_compr_stop()
727 		stream->runtime->total_bytes_transferred = 0;  in snd_compr_stop()
741 	wake_up(&stream->runtime->sleep);  in error_delayed_work()
758 	if (stream->runtime->state == state)  in snd_compr_stop_error()
761 	stream->runtime->state = state;  in snd_compr_stop_error()
783 	stream->runtime->state = SNDRV_PCM_STATE_DRAINING;  in snd_compress_wait_for_drain()
792 	ret = wait_event_interruptible(stream->runtime->sleep,  in snd_compress_wait_for_drain()
793 			(stream->runtime->state != SNDRV_PCM_STATE_DRAINING));  in snd_compress_wait_for_drain()
800 	wake_up(&stream->runtime->sleep);  in snd_compress_wait_for_drain()
810 	switch (stream->runtime->state) {  in snd_compr_drain()
825 		wake_up(&stream->runtime->sleep);  in snd_compr_drain()
837 	if (stream->runtime->state != SNDRV_PCM_STATE_RUNNING)  in snd_compr_next_track()
862 	switch (stream->runtime->state) {  in snd_compr_partial_drain()
885 		wake_up(&stream->runtime->sleep);  in snd_compr_partial_drain()