868 	struct snd_cs46xx_pcm * cpcm = runtime->private_data;  in snd_cs46xx_pb_trans_copy()  local
869 	memcpy(cpcm->hw_buf.area + rec->hw_data, runtime->dma_area + rec->sw_data, bytes);  in snd_cs46xx_pb_trans_copy()
875 	struct snd_cs46xx_pcm * cpcm = runtime->private_data;  in snd_cs46xx_playback_transfer()  local
876 	return snd_pcm_indirect_playback_transfer(substream, &cpcm->pcm_rec,  in snd_cs46xx_playback_transfer()
900 	struct snd_cs46xx_pcm *cpcm = substream->runtime->private_data;  in snd_cs46xx_playback_direct_pointer()  local
902 	if (snd_BUG_ON(!cpcm->pcm_channel))  in snd_cs46xx_playback_direct_pointer()
906 	ptr = snd_cs46xx_peek(chip, (cpcm->pcm_channel->pcm_reader_scb->address + 2) << 2);  in snd_cs46xx_playback_direct_pointer()
910 	ptr -= cpcm->hw_buf.addr;  in snd_cs46xx_playback_direct_pointer()
911 	return ptr >> cpcm->shift;  in snd_cs46xx_playback_direct_pointer()
918 	struct snd_cs46xx_pcm *cpcm = substream->runtime->private_data;  in snd_cs46xx_playback_indirect_pointer()  local
921 	if (snd_BUG_ON(!cpcm->pcm_channel))  in snd_cs46xx_playback_indirect_pointer()
923 	ptr = snd_cs46xx_peek(chip, (cpcm->pcm_channel->pcm_reader_scb->address + 2) << 2);  in snd_cs46xx_playback_indirect_pointer()
927 	ptr -= cpcm->hw_buf.addr;  in snd_cs46xx_playback_indirect_pointer()
928 	return snd_pcm_indirect_playback_pointer(substream, &cpcm->pcm_rec, ptr);  in snd_cs46xx_playback_indirect_pointer()
953 	struct snd_cs46xx_pcm *cpcm = substream->runtime->private_data;  in snd_cs46xx_playback_trigger()  local
954 	if (! cpcm->pcm_channel) {  in snd_cs46xx_playback_trigger()
963 		snd_cs46xx_poke(chip, (cpcm->pcm_channel->pcm_reader_scb->address +   in snd_cs46xx_playback_trigger()
966 		if (cpcm->pcm_channel->unlinked)  in snd_cs46xx_playback_trigger()
967 			cs46xx_dsp_pcm_link(chip,cpcm->pcm_channel);  in snd_cs46xx_playback_trigger()
987 		snd_cs46xx_poke(chip, (cpcm->pcm_channel->pcm_reader_scb->address +   in snd_cs46xx_playback_trigger()
990 		if (!cpcm->pcm_channel->unlinked)  in snd_cs46xx_playback_trigger()
991 			cs46xx_dsp_pcm_unlink(chip,cpcm->pcm_channel);  in snd_cs46xx_playback_trigger()
1041 static int _cs46xx_adjust_sample_rate (struct snd_cs46xx *chip, struct snd_cs46xx_pcm *cpcm,  in _cs46xx_adjust_sample_rate()  argument
1046 	if ( cpcm->pcm_channel == NULL) {  in _cs46xx_adjust_sample_rate()
1047 		cpcm->pcm_channel = cs46xx_dsp_create_pcm_channel (chip, sample_rate,   in _cs46xx_adjust_sample_rate()
1048 								   cpcm, cpcm->hw_buf.addr,cpcm->pcm_channel_id);  in _cs46xx_adjust_sample_rate()
1049 		if (cpcm->pcm_channel == NULL) {  in _cs46xx_adjust_sample_rate()
1054 		cpcm->pcm_channel->sample_rate = sample_rate;  in _cs46xx_adjust_sample_rate()
1057 	if ((int)cpcm->pcm_channel->sample_rate != sample_rate) {  in _cs46xx_adjust_sample_rate()
1058 		int unlinked = cpcm->pcm_channel->unlinked;  in _cs46xx_adjust_sample_rate()
1059 		cs46xx_dsp_destroy_pcm_channel (chip,cpcm->pcm_channel);  in _cs46xx_adjust_sample_rate()
1061 		cpcm->pcm_channel = cs46xx_dsp_create_pcm_channel(chip, sample_rate, cpcm,  in _cs46xx_adjust_sample_rate()
1062 								  cpcm->hw_buf.addr,  in _cs46xx_adjust_sample_rate()
1063 								  cpcm->pcm_channel_id);  in _cs46xx_adjust_sample_rate()
1064 		if (!cpcm->pcm_channel) {  in _cs46xx_adjust_sample_rate()
1070 		if (!unlinked) cs46xx_dsp_pcm_link (chip,cpcm->pcm_channel);  in _cs46xx_adjust_sample_rate()
1071 		cpcm->pcm_channel->sample_rate = sample_rate;  in _cs46xx_adjust_sample_rate()
1083 	struct snd_cs46xx_pcm *cpcm;  in snd_cs46xx_playback_hw_params()  local
1090 	cpcm = runtime->private_data;  in snd_cs46xx_playback_hw_params()
1098 	if (_cs46xx_adjust_sample_rate (chip,cpcm,sample_rate)) {  in snd_cs46xx_playback_hw_params()
1103 	snd_BUG_ON(!cpcm->pcm_channel);  in snd_cs46xx_playback_hw_params()
1104 	if (!cpcm->pcm_channel) {  in snd_cs46xx_playback_hw_params()
1110 	if (cs46xx_dsp_pcm_channel_set_period (chip,cpcm->pcm_channel,period_size)) {  in snd_cs46xx_playback_hw_params()
1122 		if (runtime->dma_area != cpcm->hw_buf.area)  in snd_cs46xx_playback_hw_params()
1124 		snd_pcm_set_runtime_buffer(substream, &cpcm->hw_buf);  in snd_cs46xx_playback_hw_params()
1128 		if (cpcm->pcm_channel_id == DSP_PCM_MAIN_CHANNEL) {  in snd_cs46xx_playback_hw_params()
1130 		} else if (cpcm->pcm_channel_id == DSP_PCM_REAR_CHANNEL) {  in snd_cs46xx_playback_hw_params()
1132 		} else if (cpcm->pcm_channel_id == DSP_PCM_CENTER_LFE_CHANNEL) {  in snd_cs46xx_playback_hw_params()
1134 		} else if (cpcm->pcm_channel_id == DSP_IEC958_CHANNEL) {  in snd_cs46xx_playback_hw_params()
1144 		if (runtime->dma_area == cpcm->hw_buf.area)  in snd_cs46xx_playback_hw_params()
1155 		if (cpcm->pcm_channel_id == DSP_PCM_MAIN_CHANNEL) {  in snd_cs46xx_playback_hw_params()
1157 		} else if (cpcm->pcm_channel_id == DSP_PCM_REAR_CHANNEL) {  in snd_cs46xx_playback_hw_params()
1159 		} else if (cpcm->pcm_channel_id == DSP_PCM_CENTER_LFE_CHANNEL) {  in snd_cs46xx_playback_hw_params()
1161 		} else if (cpcm->pcm_channel_id == DSP_IEC958_CHANNEL) {  in snd_cs46xx_playback_hw_params()
1183 	struct snd_cs46xx_pcm *cpcm;  in snd_cs46xx_playback_hw_free()  local
1185 	cpcm = runtime->private_data;  in snd_cs46xx_playback_hw_free()
1189 	if (!cpcm) return -ENXIO;  in snd_cs46xx_playback_hw_free()
1191 	if (runtime->dma_area != cpcm->hw_buf.area)  in snd_cs46xx_playback_hw_free()
1205 	struct snd_cs46xx_pcm *cpcm;  in snd_cs46xx_playback_prepare()  local
1207 	cpcm = runtime->private_data;  in snd_cs46xx_playback_prepare()
1210 	if (snd_BUG_ON(!cpcm->pcm_channel))  in snd_cs46xx_playback_prepare()
1213 	pfie = snd_cs46xx_peek(chip, (cpcm->pcm_channel->pcm_reader_scb->address + 1) << 2 );  in snd_cs46xx_playback_prepare()
1221 	cpcm->shift = 2;  in snd_cs46xx_playback_prepare()
1224 		cpcm->shift--;  in snd_cs46xx_playback_prepare()
1229 		cpcm->shift--;  in snd_cs46xx_playback_prepare()
1243 	memset(&cpcm->pcm_rec, 0, sizeof(cpcm->pcm_rec));  in snd_cs46xx_playback_prepare()
1244 	cpcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);  in snd_cs46xx_playback_prepare()
1245 	cpcm->pcm_rec.hw_buffer_size = runtime->period_size * CS46XX_FRAGS << cpcm->shift;  in snd_cs46xx_playback_prepare()
1249 	tmp = snd_cs46xx_peek(chip, (cpcm->pcm_channel->pcm_reader_scb->address) << 2);  in snd_cs46xx_playback_prepare()
1251 	tmp |= (4 << cpcm->shift) - 1;  in snd_cs46xx_playback_prepare()
1253 	snd_cs46xx_poke(chip, (cpcm->pcm_channel->pcm_reader_scb->address) << 2, tmp);  in snd_cs46xx_playback_prepare()
1256 …snd_cs46xx_poke(chip, (cpcm->pcm_channel->pcm_reader_scb->address + 1) << 2, pfie | cpcm->pcm_chan…  in snd_cs46xx_playback_prepare()
1258 	snd_cs46xx_poke(chip, BA1_PBA, cpcm->hw_buf.addr);  in snd_cs46xx_playback_prepare()
1261 	tmp |= (4 << cpcm->shift) - 1;  in snd_cs46xx_playback_prepare()
1332 	struct snd_cs46xx_pcm *cpcm = NULL;  in snd_cs46xx_interrupt()  local
1357 						cpcm = ins->pcm_channels[i].private_data;  in snd_cs46xx_interrupt()
1358 						snd_pcm_period_elapsed(cpcm->substream);  in snd_cs46xx_interrupt()
1367 					cpcm = ins->pcm_channels[i].private_data;  in snd_cs46xx_interrupt()
1368 					snd_pcm_period_elapsed(cpcm->substream);  in snd_cs46xx_interrupt()
1480 	struct snd_cs46xx_pcm * cpcm;  in _cs46xx_playback_open_channel()  local
1483 	cpcm = kzalloc(sizeof(*cpcm), GFP_KERNEL);  in _cs46xx_playback_open_channel()
1484 	if (cpcm == NULL)  in _cs46xx_playback_open_channel()
1487 				PAGE_SIZE, &cpcm->hw_buf) < 0) {  in _cs46xx_playback_open_channel()
1488 		kfree(cpcm);  in _cs46xx_playback_open_channel()
1493 	runtime->private_data = cpcm;  in _cs46xx_playback_open_channel()
1496 	cpcm->substream = substream;  in _cs46xx_playback_open_channel()
1499 	cpcm->pcm_channel = NULL;   in _cs46xx_playback_open_channel()
1500 	cpcm->pcm_channel_id = pcm_channel_id;  in _cs46xx_playback_open_channel()
1509 	chip->playback_pcm = cpcm; /* HACK */  in _cs46xx_playback_open_channel()
1597 	struct snd_cs46xx_pcm * cpcm;  in snd_cs46xx_playback_close()  local
1599 	cpcm = runtime->private_data;  in snd_cs46xx_playback_close()
1602 	if (!cpcm) return -ENXIO;  in snd_cs46xx_playback_close()
1606 	if (cpcm->pcm_channel) {  in snd_cs46xx_playback_close()
1607 		cs46xx_dsp_destroy_pcm_channel(chip,cpcm->pcm_channel);  in snd_cs46xx_playback_close()
1608 		cpcm->pcm_channel = NULL;  in snd_cs46xx_playback_close()
1615 	cpcm->substream = NULL;  in snd_cs46xx_playback_close()
1616 	snd_dma_free_pages(&cpcm->hw_buf);  in snd_cs46xx_playback_close()