539 static int snd_pcm_oss_plugin_clear(struct snd_pcm_substream *substream)  in snd_pcm_oss_plugin_clear()  argument
541 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_plugin_clear()
585 static long snd_pcm_oss_bytes(struct snd_pcm_substream *substream, long frames)  in snd_pcm_oss_bytes()  argument
587 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_bytes()
588 	long buffer_size = snd_pcm_lib_buffer_bytes(substream);  in snd_pcm_oss_bytes()
602 static long snd_pcm_alsa_frames(struct snd_pcm_substream *substream, long bytes)  in snd_pcm_alsa_frames()  argument
604 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_alsa_frames()
605 	long buffer_size = snd_pcm_lib_buffer_bytes(substream);  in snd_pcm_alsa_frames()
681 static int snd_pcm_oss_period_size(struct snd_pcm_substream *substream,   in snd_pcm_oss_period_size()  argument
689 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_period_size()
700 	oss_buffer_size = snd_pcm_plug_client_size(substream,  in snd_pcm_oss_period_size()
705 	if (atomic_read(&substream->mmap_count)) {  in snd_pcm_oss_period_size()
710 	if (substream->oss.setup.period_size > 16)  in snd_pcm_oss_period_size()
711 		oss_period_size = substream->oss.setup.period_size;  in snd_pcm_oss_period_size()
737 	min_period_size = snd_pcm_plug_client_size(substream,  in snd_pcm_oss_period_size()
746 	max_period_size = snd_pcm_plug_client_size(substream,  in snd_pcm_oss_period_size()
757 	if (substream->oss.setup.periods > 1)  in snd_pcm_oss_period_size()
758 		oss_periods = substream->oss.setup.periods;  in snd_pcm_oss_period_size()
788 static int choose_rate(struct snd_pcm_substream *substream,  in choose_rate()  argument
808 			ret = snd_pcm_hw_param_set(substream, params,  in choose_rate()
825 	return snd_pcm_hw_param_near(substream, params, SNDRV_PCM_HW_PARAM_RATE, best_rate, NULL);  in choose_rate()
845 static void snd_pcm_oss_release_buffers(struct snd_pcm_substream *substream)  in snd_pcm_oss_release_buffers()  argument
847 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_release_buffers()
852 	snd_pcm_oss_plugin_clear(substream);  in snd_pcm_oss_release_buffers()
857 static int snd_pcm_oss_change_params_locked(struct snd_pcm_substream *substream)  in snd_pcm_oss_change_params_locked()  argument
859 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_change_params_locked()
881 	if (atomic_read(&substream->mmap_count))  in snd_pcm_oss_change_params_locked()
884 		direct = substream->oss.setup.direct;  in snd_pcm_oss_change_params_locked()
890 	if (atomic_read(&substream->mmap_count))  in snd_pcm_oss_change_params_locked()
897 	err = snd_pcm_hw_param_mask(substream, sparams, SNDRV_PCM_HW_PARAM_ACCESS, &mask);  in snd_pcm_oss_change_params_locked()
899 		pcm_dbg(substream->pcm, "No usable accesses\n");  in snd_pcm_oss_change_params_locked()
904 	err = choose_rate(substream, sparams, runtime->oss.rate);  in snd_pcm_oss_change_params_locked()
907 	err = snd_pcm_hw_param_near(substream, sparams,  in snd_pcm_oss_change_params_locked()
928 		pcm_dbg(substream->pcm, "Cannot find a format!!!\n");  in snd_pcm_oss_change_params_locked()
960 	err = snd_pcm_oss_period_size(substream, params, sparams);  in snd_pcm_oss_change_params_locked()
964 	n = snd_pcm_plug_slave_size(substream, runtime->oss.period_bytes / oss_frame_size);  in snd_pcm_oss_change_params_locked()
965 	err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, n, NULL);  in snd_pcm_oss_change_params_locked()
969 	err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIODS,  in snd_pcm_oss_change_params_locked()
974 	snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);  in snd_pcm_oss_change_params_locked()
976 	err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_HW_PARAMS, sparams);  in snd_pcm_oss_change_params_locked()
978 		pcm_dbg(substream->pcm, "HW_PARAMS failed: %i\n", err);  in snd_pcm_oss_change_params_locked()
983 	snd_pcm_oss_plugin_clear(substream);  in snd_pcm_oss_change_params_locked()
986 		err = snd_pcm_plug_format_plugins(substream, params, sparams);  in snd_pcm_oss_change_params_locked()
988 			pcm_dbg(substream->pcm,  in snd_pcm_oss_change_params_locked()
994 			err = snd_pcm_plugin_build_io(substream, sparams, &plugin);  in snd_pcm_oss_change_params_locked()
996 				pcm_dbg(substream->pcm,  in snd_pcm_oss_change_params_locked()
1000 			if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in snd_pcm_oss_change_params_locked()
1016 	if (atomic_read(&substream->mmap_count) ||  in snd_pcm_oss_change_params_locked()
1017 	    substream->stream == SNDRV_PCM_STREAM_CAPTURE)  in snd_pcm_oss_change_params_locked()
1023 	sw_params->avail_min = substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?  in snd_pcm_oss_change_params_locked()
1025 	if (atomic_read(&substream->mmap_count) ||  in snd_pcm_oss_change_params_locked()
1026 	    substream->oss.setup.nosilence) {  in snd_pcm_oss_change_params_locked()
1038 	err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_SW_PARAMS, sw_params);  in snd_pcm_oss_change_params_locked()
1040 		pcm_dbg(substream->pcm, "SW_PARAMS failed: %i\n", err);  in snd_pcm_oss_change_params_locked()
1045 	oss_period_size = snd_pcm_plug_client_size(substream, params_period_size(sparams));  in snd_pcm_oss_change_params_locked()
1052 		err = snd_pcm_plug_alloc(substream, oss_period_size);  in snd_pcm_oss_change_params_locked()
1091 	runtime->oss.period_frames = snd_pcm_alsa_frames(substream, oss_period_size);  in snd_pcm_oss_change_params_locked()
1096 		snd_pcm_oss_release_buffers(substream);  in snd_pcm_oss_change_params_locked()
1104 static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream,  in snd_pcm_oss_change_params()  argument
1107 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_change_params()
1116 	err = snd_pcm_oss_change_params_locked(substream);  in snd_pcm_oss_change_params()
1124 	struct snd_pcm_substream *asubstream = NULL, *substream;  in snd_pcm_oss_get_active_substream()  local
1127 		substream = pcm_oss_file->streams[idx];  in snd_pcm_oss_get_active_substream()
1128 		if (substream == NULL)  in snd_pcm_oss_get_active_substream()
1131 			asubstream = substream;  in snd_pcm_oss_get_active_substream()
1132 		if (substream->runtime->oss.params) {  in snd_pcm_oss_get_active_substream()
1133 			err = snd_pcm_oss_change_params(substream, false);  in snd_pcm_oss_get_active_substream()
1149 static int snd_pcm_oss_prepare(struct snd_pcm_substream *substream)  in snd_pcm_oss_prepare()  argument
1152 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_prepare()
1154 	err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_PREPARE, NULL);  in snd_pcm_oss_prepare()
1156 		pcm_dbg(substream->pcm,  in snd_pcm_oss_prepare()
1168 static int snd_pcm_oss_make_ready(struct snd_pcm_substream *substream)  in snd_pcm_oss_make_ready()  argument
1173 	runtime = substream->runtime;  in snd_pcm_oss_make_ready()
1175 		err = snd_pcm_oss_change_params(substream, false);  in snd_pcm_oss_make_ready()
1182 		err = snd_pcm_oss_prepare(substream);  in snd_pcm_oss_make_ready()
1191 static int snd_pcm_oss_make_ready_locked(struct snd_pcm_substream *substream)  in snd_pcm_oss_make_ready_locked()  argument
1196 	runtime = substream->runtime;  in snd_pcm_oss_make_ready_locked()
1198 		err = snd_pcm_oss_change_params_locked(substream);  in snd_pcm_oss_make_ready_locked()
1203 		err = snd_pcm_oss_prepare(substream);  in snd_pcm_oss_make_ready_locked()
1210 static int snd_pcm_oss_capture_position_fixup(struct snd_pcm_substream *substream, snd_pcm_sframes_…  in snd_pcm_oss_capture_position_fixup()  argument
1217 		err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DELAY, delay);  in snd_pcm_oss_capture_position_fixup()
1220 		runtime = substream->runtime;  in snd_pcm_oss_capture_position_fixup()
1228 		err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_FORWARD, &frames);  in snd_pcm_oss_capture_position_fixup()
1235 snd_pcm_sframes_t snd_pcm_oss_write3(struct snd_pcm_substream *substream, const char *ptr, snd_pcm_…  in snd_pcm_oss_write3()  argument
1237 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_write3()
1243 			pcm_dbg(substream->pcm,  in snd_pcm_oss_write3()
1248 			ret = snd_pcm_oss_prepare(substream);  in snd_pcm_oss_write3()
1253 		ret = __snd_pcm_lib_xfer(substream, (void *)ptr, true,  in snd_pcm_oss_write3()
1266 snd_pcm_sframes_t snd_pcm_oss_read3(struct snd_pcm_substream *substream, char *ptr, snd_pcm_uframes…  in snd_pcm_oss_read3()  argument
1268 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_read3()
1275 			pcm_dbg(substream->pcm,  in snd_pcm_oss_read3()
1280 			ret = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DRAIN, NULL);  in snd_pcm_oss_read3()
1284 			ret = snd_pcm_oss_prepare(substream);  in snd_pcm_oss_read3()
1288 		ret = snd_pcm_oss_capture_position_fixup(substream, &delay);  in snd_pcm_oss_read3()
1292 		ret = __snd_pcm_lib_xfer(substream, (void *)ptr, true,  in snd_pcm_oss_read3()
1297 				ret = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);  in snd_pcm_oss_read3()
1310 snd_pcm_sframes_t snd_pcm_oss_writev3(struct snd_pcm_substream *substream, void **bufs, snd_pcm_ufr…  in snd_pcm_oss_writev3()  argument
1312 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_writev3()
1318 			pcm_dbg(substream->pcm,  in snd_pcm_oss_writev3()
1323 			ret = snd_pcm_oss_prepare(substream);  in snd_pcm_oss_writev3()
1327 		ret = snd_pcm_kernel_writev(substream, bufs, frames);  in snd_pcm_oss_writev3()
1339 snd_pcm_sframes_t snd_pcm_oss_readv3(struct snd_pcm_substream *substream, void **bufs, snd_pcm_ufra…  in snd_pcm_oss_readv3()  argument
1341 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_readv3()
1347 			pcm_dbg(substream->pcm,  in snd_pcm_oss_readv3()
1352 			ret = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DRAIN, NULL);  in snd_pcm_oss_readv3()
1356 			ret = snd_pcm_oss_prepare(substream);  in snd_pcm_oss_readv3()
1360 		ret = snd_pcm_kernel_readv(substream, bufs, frames);  in snd_pcm_oss_readv3()
1368 static ssize_t snd_pcm_oss_write2(struct snd_pcm_substream *substream, const char *buf, size_t byte…  in snd_pcm_oss_write2()  argument
1370 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_write2()
1382 		frames1 = snd_pcm_plug_client_channels_buf(substream, (char *)buf, frames, &channels);  in snd_pcm_oss_write2()
1385 		frames1 = snd_pcm_plug_write_transfer(substream, channels, frames1);  in snd_pcm_oss_write2()
1393 		frames1 = snd_pcm_oss_write3(substream, buf, frames, in_kernel);  in snd_pcm_oss_write2()
1401 static ssize_t snd_pcm_oss_write1(struct snd_pcm_substream *substream, const char __user *buf, size…  in snd_pcm_oss_write1()  argument
1405 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_write1()
1407 	if (atomic_read(&substream->mmap_count))  in snd_pcm_oss_write1()
1416 		tmp = snd_pcm_oss_make_ready_locked(substream);  in snd_pcm_oss_write1()
1433 			if (substream->oss.setup.partialfrag ||  in snd_pcm_oss_write1()
1435 				tmp = snd_pcm_oss_write2(substream, runtime->oss.buffer + runtime->oss.period_ptr,   in snd_pcm_oss_write1()
1445 				else if ((substream->f_flags & O_NONBLOCK) != 0) {  in snd_pcm_oss_write1()
1451 			tmp = snd_pcm_oss_write2(substream,  in snd_pcm_oss_write1()
1460 			if ((substream->f_flags & O_NONBLOCK) != 0 &&  in snd_pcm_oss_write1()
1478 static ssize_t snd_pcm_oss_read2(struct snd_pcm_substream *substream, char *buf, size_t bytes, int …  in snd_pcm_oss_read2()  argument
1480 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_read2()
1490 		frames1 = snd_pcm_plug_client_channels_buf(substream, buf, frames, &channels);  in snd_pcm_oss_read2()
1493 		frames1 = snd_pcm_plug_read_transfer(substream, channels, frames1);  in snd_pcm_oss_read2()
1503 		frames1 = snd_pcm_oss_read3(substream, buf, frames, in_kernel);  in snd_pcm_oss_read2()
1511 static ssize_t snd_pcm_oss_read1(struct snd_pcm_substream *substream, char __user *buf, size_t byte…  in snd_pcm_oss_read1()  argument
1515 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_read1()
1517 	if (atomic_read(&substream->mmap_count))  in snd_pcm_oss_read1()
1526 		tmp = snd_pcm_oss_make_ready_locked(substream);  in snd_pcm_oss_read1()
1531 				tmp = snd_pcm_oss_read2(substream, runtime->oss.buffer, runtime->oss.period_bytes, 1);  in snd_pcm_oss_read1()
1550 			tmp = snd_pcm_oss_read2(substream, (char __force *)buf,  in snd_pcm_oss_read1()
1575 	struct snd_pcm_substream *substream;  in snd_pcm_oss_reset()  local
1580 		substream = pcm_oss_file->streams[i];  in snd_pcm_oss_reset()
1581 		if (!substream)  in snd_pcm_oss_reset()
1583 		runtime = substream->runtime;  in snd_pcm_oss_reset()
1584 		snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);  in snd_pcm_oss_reset()
1597 	struct snd_pcm_substream *substream;  in snd_pcm_oss_post()  local
1600 	substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK];  in snd_pcm_oss_post()
1601 	if (substream != NULL) {  in snd_pcm_oss_post()
1602 		err = snd_pcm_oss_make_ready(substream);  in snd_pcm_oss_post()
1605 		snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_START, NULL);  in snd_pcm_oss_post()
1612 static int snd_pcm_oss_sync1(struct snd_pcm_substream *substream, size_t size)  in snd_pcm_oss_sync1()  argument
1620 	runtime = substream->runtime;  in snd_pcm_oss_sync1()
1624 	pcm_dbg(substream->pcm, "sync1: size = %li\n", size);  in snd_pcm_oss_sync1()
1627 		result = snd_pcm_oss_write2(substream, runtime->oss.buffer, size, 1);  in snd_pcm_oss_sync1()
1637 		snd_pcm_stream_lock_irq(substream);  in snd_pcm_oss_sync1()
1639 		snd_pcm_stream_unlock_irq(substream);  in snd_pcm_oss_sync1()
1650 			pcm_err(substream->pcm,  in snd_pcm_oss_sync1()
1664 	struct snd_pcm_substream *substream;  in snd_pcm_oss_sync()  local
1670 	substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK];  in snd_pcm_oss_sync()
1671 	if (substream != NULL) {  in snd_pcm_oss_sync()
1672 		runtime = substream->runtime;  in snd_pcm_oss_sync()
1673 		if (atomic_read(&substream->mmap_count))  in snd_pcm_oss_sync()
1680 		err = snd_pcm_oss_make_ready_locked(substream);  in snd_pcm_oss_sync()
1687 			pcm_dbg(substream->pcm, "sync: buffer_used\n");  in snd_pcm_oss_sync()
1693 			err = snd_pcm_oss_sync1(substream, runtime->oss.period_bytes);  in snd_pcm_oss_sync()
1698 			pcm_dbg(substream->pcm, "sync: period_ptr\n");  in snd_pcm_oss_sync()
1704 			err = snd_pcm_oss_sync1(substream, size);  in snd_pcm_oss_sync()
1716 				snd_pcm_lib_write(substream, NULL, size);  in snd_pcm_oss_sync()
1718 				snd_pcm_lib_writev(substream, NULL, size);  in snd_pcm_oss_sync()
1729 		saved_f_flags = substream->f_flags;  in snd_pcm_oss_sync()
1730 		substream->f_flags &= ~O_NONBLOCK;  in snd_pcm_oss_sync()
1731 		err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DRAIN, NULL);  in snd_pcm_oss_sync()
1732 		substream->f_flags = saved_f_flags;  in snd_pcm_oss_sync()
1740 	substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_CAPTURE];  in snd_pcm_oss_sync()
1741 	if (substream != NULL) {  in snd_pcm_oss_sync()
1742 		err = snd_pcm_oss_make_ready(substream);  in snd_pcm_oss_sync()
1745 		runtime = substream->runtime;  in snd_pcm_oss_sync()
1746 		err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);  in snd_pcm_oss_sync()
1762 		struct snd_pcm_substream *substream = pcm_oss_file->streams[idx];  in snd_pcm_oss_set_rate()  local
1766 		if (substream == NULL)  in snd_pcm_oss_set_rate()
1768 		runtime = substream->runtime;  in snd_pcm_oss_set_rate()
1787 	struct snd_pcm_substream *substream;  in snd_pcm_oss_get_rate()  local
1790 	err = snd_pcm_oss_get_active_substream(pcm_oss_file, &substream);  in snd_pcm_oss_get_rate()
1793 	return substream->runtime->oss.rate;  in snd_pcm_oss_get_rate()
1804 		struct snd_pcm_substream *substream = pcm_oss_file->streams[idx];  in snd_pcm_oss_set_channels()  local
1808 		if (substream == NULL)  in snd_pcm_oss_set_channels()
1810 		runtime = substream->runtime;  in snd_pcm_oss_set_channels()
1825 	struct snd_pcm_substream *substream;  in snd_pcm_oss_get_channels()  local
1828 	err = snd_pcm_oss_get_active_substream(pcm_oss_file, &substream);  in snd_pcm_oss_get_channels()
1831 	return substream->runtime->oss.channels;  in snd_pcm_oss_get_channels()
1836 	struct snd_pcm_substream *substream;  in snd_pcm_oss_get_block_size()  local
1839 	err = snd_pcm_oss_get_active_substream(pcm_oss_file, &substream);  in snd_pcm_oss_get_block_size()
1842 	return substream->runtime->oss.period_bytes;  in snd_pcm_oss_get_block_size()
1847 	struct snd_pcm_substream *substream;  in snd_pcm_oss_get_formats()  local
1855 	err = snd_pcm_oss_get_active_substream(pcm_oss_file, &substream);  in snd_pcm_oss_get_formats()
1858 	if (atomic_read(&substream->mmap_count))  in snd_pcm_oss_get_formats()
1861 		direct = substream->oss.setup.direct;  in snd_pcm_oss_get_formats()
1874 	err = snd_pcm_hw_refine(substream, params);  in snd_pcm_oss_get_formats()
1903 			struct snd_pcm_substream *substream = pcm_oss_file->streams[idx];  in snd_pcm_oss_set_format()  local
1905 			if (substream == NULL)  in snd_pcm_oss_set_format()
1907 			runtime = substream->runtime;  in snd_pcm_oss_set_format()
1923 	struct snd_pcm_substream *substream;  in snd_pcm_oss_get_format()  local
1926 	err = snd_pcm_oss_get_active_substream(pcm_oss_file, &substream);  in snd_pcm_oss_get_format()
1929 	return substream->runtime->oss.format;  in snd_pcm_oss_get_format()
1932 static int snd_pcm_oss_set_subdivide1(struct snd_pcm_substream *substream, int subdivide)  in snd_pcm_oss_set_subdivide1()  argument
1936 	runtime = substream->runtime;  in snd_pcm_oss_set_subdivide1()
1958 		struct snd_pcm_substream *substream = pcm_oss_file->streams[idx];  in snd_pcm_oss_set_subdivide()  local
1961 		if (substream == NULL)  in snd_pcm_oss_set_subdivide()
1963 		runtime = substream->runtime;  in snd_pcm_oss_set_subdivide()
1967 		err = snd_pcm_oss_set_subdivide1(substream, subdivide);  in snd_pcm_oss_set_subdivide()
1975 static int snd_pcm_oss_set_fragment1(struct snd_pcm_substream *substream, unsigned int val)  in snd_pcm_oss_set_fragment1()  argument
1980 	runtime = substream->runtime;  in snd_pcm_oss_set_fragment1()
2001 		struct snd_pcm_substream *substream = pcm_oss_file->streams[idx];  in snd_pcm_oss_set_fragment()  local
2004 		if (substream == NULL)  in snd_pcm_oss_set_fragment()
2006 		runtime = substream->runtime;  in snd_pcm_oss_set_fragment()
2010 		err = snd_pcm_oss_set_fragment1(substream, val);  in snd_pcm_oss_set_fragment()
2026 static int snd_pcm_oss_get_caps1(struct snd_pcm_substream *substream, int res)  in snd_pcm_oss_get_caps1()  argument
2029 	if (substream == NULL) {  in snd_pcm_oss_get_caps1()
2034 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in snd_pcm_oss_get_caps1()
2035 		if (substream->pstr->substream_count > 1)  in snd_pcm_oss_get_caps1()
2042 		struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_get_caps1()
2056 		struct snd_pcm_substream *substream = pcm_oss_file->streams[idx];  in snd_pcm_oss_get_caps()  local
2057 		result = snd_pcm_oss_get_caps1(substream, result);  in snd_pcm_oss_get_caps()
2063 static void snd_pcm_oss_simulate_fill(struct snd_pcm_substream *substream,  in snd_pcm_oss_simulate_fill()  argument
2066 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_simulate_fill()
2172 	struct snd_pcm_substream *substream;  in snd_pcm_oss_get_odelay()  local
2177 	substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK];  in snd_pcm_oss_get_odelay()
2178 	if (substream == NULL)  in snd_pcm_oss_get_odelay()
2180 	err = snd_pcm_oss_make_ready(substream);  in snd_pcm_oss_get_odelay()
2183 	runtime = substream->runtime;  in snd_pcm_oss_get_odelay()
2186 	err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DELAY, &delay);  in snd_pcm_oss_get_odelay()
2191 	return snd_pcm_oss_bytes(substream, delay);  in snd_pcm_oss_get_odelay()
2196 	struct snd_pcm_substream *substream;  in snd_pcm_oss_get_ptr()  local
2205 	substream = pcm_oss_file->streams[stream];  in snd_pcm_oss_get_ptr()
2206 	if (substream == NULL)  in snd_pcm_oss_get_ptr()
2208 	err = snd_pcm_oss_make_ready(substream);  in snd_pcm_oss_get_ptr()
2211 	runtime = substream->runtime;  in snd_pcm_oss_get_ptr()
2219 		err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DELAY, &delay);  in snd_pcm_oss_get_ptr()
2228 		err = snd_pcm_oss_capture_position_fixup(substream, &delay);  in snd_pcm_oss_get_ptr()
2233 	info.ptr = snd_pcm_oss_bytes(substream, runtime->status->hw_ptr % runtime->buffer_size);  in snd_pcm_oss_get_ptr()
2234 	if (atomic_read(&substream->mmap_count)) {  in snd_pcm_oss_get_ptr()
2242 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in snd_pcm_oss_get_ptr()
2243 			snd_pcm_oss_simulate_fill(substream, delay);  in snd_pcm_oss_get_ptr()
2244 		info.bytes = snd_pcm_oss_bytes(substream, runtime->status->hw_ptr) & INT_MAX;  in snd_pcm_oss_get_ptr()
2246 		delay = snd_pcm_oss_bytes(substream, delay);  in snd_pcm_oss_get_ptr()
2248 			if (substream->oss.setup.buggyptr)  in snd_pcm_oss_get_ptr()
2266 	struct snd_pcm_substream *substream;  in snd_pcm_oss_get_space()  local
2275 	substream = pcm_oss_file->streams[stream];  in snd_pcm_oss_get_space()
2276 	if (substream == NULL)  in snd_pcm_oss_get_space()
2278 	runtime = substream->runtime;  in snd_pcm_oss_get_space()
2281 		err = snd_pcm_oss_change_params(substream, false);  in snd_pcm_oss_get_space()
2298 			err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DELAY, &avail);  in snd_pcm_oss_get_space()
2308 			err = snd_pcm_oss_capture_position_fixup(substream, &avail);  in snd_pcm_oss_get_space()
2313 		info.bytes = snd_pcm_oss_bytes(substream, avail) + fixup;  in snd_pcm_oss_get_space()
2318 	pcm_dbg(substream->pcm,  in snd_pcm_oss_get_space()
2364 static void snd_pcm_oss_release_substream(struct snd_pcm_substream *substream)  in snd_pcm_oss_release_substream()  argument
2366 	snd_pcm_oss_release_buffers(substream);  in snd_pcm_oss_release_substream()
2367 	substream->oss.oss = 0;  in snd_pcm_oss_release_substream()
2370 static void snd_pcm_oss_init_substream(struct snd_pcm_substream *substream,  in snd_pcm_oss_init_substream()  argument
2376 	substream->oss.oss = 1;  in snd_pcm_oss_init_substream()
2377 	substream->oss.setup = *setup;  in snd_pcm_oss_init_substream()
2379 		substream->f_flags |= O_NONBLOCK;  in snd_pcm_oss_init_substream()
2381 		substream->f_flags &= ~O_NONBLOCK;  in snd_pcm_oss_init_substream()
2382 	runtime = substream->runtime;  in snd_pcm_oss_init_substream()
2401 	substream->pcm_release = snd_pcm_oss_release_substream;  in snd_pcm_oss_init_substream()
2411 		struct snd_pcm_substream *substream = pcm_oss_file->streams[cidx];  in snd_pcm_oss_release_file()  local
2412 		if (substream)  in snd_pcm_oss_release_file()
2413 			snd_pcm_release_substream(substream);  in snd_pcm_oss_release_file()
2427 	struct snd_pcm_substream *substream;  in snd_pcm_oss_open_file()  local
2454 		err = snd_pcm_open_substream(pcm, idx, file, &substream);  in snd_pcm_oss_open_file()
2460 		pcm_oss_file->streams[idx] = substream;  in snd_pcm_oss_open_file()
2461 		snd_pcm_oss_init_substream(substream, &setup[idx], minor);  in snd_pcm_oss_open_file()
2579 	struct snd_pcm_substream *substream;  in snd_pcm_oss_release()  local
2583 	substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK];  in snd_pcm_oss_release()
2584 	if (substream == NULL)  in snd_pcm_oss_release()
2585 		substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_CAPTURE];  in snd_pcm_oss_release()
2586 	if (snd_BUG_ON(!substream))  in snd_pcm_oss_release()
2588 	pcm = substream->pcm;  in snd_pcm_oss_release()
2613 		struct snd_pcm_substream *substream;  in snd_pcm_oss_ioctl()  local
2616 			substream = pcm_oss_file->streams[idx];  in snd_pcm_oss_ioctl()
2617 			if (substream != NULL)  in snd_pcm_oss_ioctl()
2622 		return snd_mixer_oss_ioctl_card(substream->pcm->card, cmd, arg);  in snd_pcm_oss_ioctl()
2780 	struct snd_pcm_substream *substream;  in snd_pcm_oss_read()  local
2783 	substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_CAPTURE];  in snd_pcm_oss_read()
2784 	if (substream == NULL)  in snd_pcm_oss_read()
2786 	substream->f_flags = file->f_flags & O_NONBLOCK;  in snd_pcm_oss_read()
2788 	return snd_pcm_oss_read1(substream, buf, count);  in snd_pcm_oss_read()
2791 		ssize_t res = snd_pcm_oss_read1(substream, buf, count);  in snd_pcm_oss_read()
2792 		pcm_dbg(substream->pcm,  in snd_pcm_oss_read()
2803 	struct snd_pcm_substream *substream;  in snd_pcm_oss_write()  local
2807 	substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK];  in snd_pcm_oss_write()
2808 	if (substream == NULL)  in snd_pcm_oss_write()
2810 	substream->f_flags = file->f_flags & O_NONBLOCK;  in snd_pcm_oss_write()
2811 	result = snd_pcm_oss_write1(substream, buf, count);  in snd_pcm_oss_write()
2813 	pcm_dbg(substream->pcm, "pcm_oss: write %li bytes (wrote %li bytes)\n",  in snd_pcm_oss_write()
2819 static int snd_pcm_oss_playback_ready(struct snd_pcm_substream *substream)  in snd_pcm_oss_playback_ready()  argument
2821 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_playback_ready()
2822 	if (atomic_read(&substream->mmap_count))  in snd_pcm_oss_playback_ready()
2830 static int snd_pcm_oss_capture_ready(struct snd_pcm_substream *substream)  in snd_pcm_oss_capture_ready()  argument
2832 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_capture_ready()
2833 	if (atomic_read(&substream->mmap_count))  in snd_pcm_oss_capture_ready()
2888 	struct snd_pcm_substream *substream = NULL;  in snd_pcm_oss_mmap()  local
2898 		substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK];  in snd_pcm_oss_mmap()
2899 		if (substream)  in snd_pcm_oss_mmap()
2903 		substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_CAPTURE];  in snd_pcm_oss_mmap()
2906 		substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK];  in snd_pcm_oss_mmap()
2914 	if (substream == NULL)  in snd_pcm_oss_mmap()
2916 	runtime = substream->runtime;  in snd_pcm_oss_mmap()
2929 		err = snd_pcm_oss_change_params(substream, true);  in snd_pcm_oss_mmap()
2941 	err = snd_pcm_mmap_data(substream, file, area);  in snd_pcm_oss_mmap()