882 	struct snd_cs46xx_pcm * cpcm = runtime->private_data;  in snd_cs46xx_pb_trans_copy()  local
883 	memcpy(cpcm->hw_buf.area + rec->hw_data, runtime->dma_area + rec->sw_data, bytes);  in snd_cs46xx_pb_trans_copy()
889 	struct snd_cs46xx_pcm * cpcm = runtime->private_data;  in snd_cs46xx_playback_transfer()  local
890 	return snd_pcm_indirect_playback_transfer(substream, &cpcm->pcm_rec,  in snd_cs46xx_playback_transfer()
914 	struct snd_cs46xx_pcm *cpcm = substream->runtime->private_data;  in snd_cs46xx_playback_direct_pointer()  local
916 	if (snd_BUG_ON(!cpcm->pcm_channel))  in snd_cs46xx_playback_direct_pointer()
920 	ptr = snd_cs46xx_peek(chip, (cpcm->pcm_channel->pcm_reader_scb->address + 2) << 2);  in snd_cs46xx_playback_direct_pointer()
924 	ptr -= cpcm->hw_buf.addr;  in snd_cs46xx_playback_direct_pointer()
925 	return ptr >> cpcm->shift;  in snd_cs46xx_playback_direct_pointer()
932 	struct snd_cs46xx_pcm *cpcm = substream->runtime->private_data;  in snd_cs46xx_playback_indirect_pointer()  local
935 	if (snd_BUG_ON(!cpcm->pcm_channel))  in snd_cs46xx_playback_indirect_pointer()
937 	ptr = snd_cs46xx_peek(chip, (cpcm->pcm_channel->pcm_reader_scb->address + 2) << 2);  in snd_cs46xx_playback_indirect_pointer()
941 	ptr -= cpcm->hw_buf.addr;  in snd_cs46xx_playback_indirect_pointer()
942 	return snd_pcm_indirect_playback_pointer(substream, &cpcm->pcm_rec, ptr);  in snd_cs46xx_playback_indirect_pointer()
967 	struct snd_cs46xx_pcm *cpcm = substream->runtime->private_data;  in snd_cs46xx_playback_trigger()  local
968 	if (! cpcm->pcm_channel) {  in snd_cs46xx_playback_trigger()
977 		snd_cs46xx_poke(chip, (cpcm->pcm_channel->pcm_reader_scb->address +   in snd_cs46xx_playback_trigger()
980 		if (cpcm->pcm_channel->unlinked)  in snd_cs46xx_playback_trigger()
981 			cs46xx_dsp_pcm_link(chip,cpcm->pcm_channel);  in snd_cs46xx_playback_trigger()
1001 		snd_cs46xx_poke(chip, (cpcm->pcm_channel->pcm_reader_scb->address +   in snd_cs46xx_playback_trigger()
1004 		if (!cpcm->pcm_channel->unlinked)  in snd_cs46xx_playback_trigger()
1005 			cs46xx_dsp_pcm_unlink(chip,cpcm->pcm_channel);  in snd_cs46xx_playback_trigger()
1055 static int _cs46xx_adjust_sample_rate (struct snd_cs46xx *chip, struct snd_cs46xx_pcm *cpcm,  in _cs46xx_adjust_sample_rate()  argument
1060 	if ( cpcm->pcm_channel == NULL) {  in _cs46xx_adjust_sample_rate()
1061 		cpcm->pcm_channel = cs46xx_dsp_create_pcm_channel (chip, sample_rate,   in _cs46xx_adjust_sample_rate()
1062 								   cpcm, cpcm->hw_buf.addr,cpcm->pcm_channel_id);  in _cs46xx_adjust_sample_rate()
1063 		if (cpcm->pcm_channel == NULL) {  in _cs46xx_adjust_sample_rate()
1068 		cpcm->pcm_channel->sample_rate = sample_rate;  in _cs46xx_adjust_sample_rate()
1071 	if ((int)cpcm->pcm_channel->sample_rate != sample_rate) {  in _cs46xx_adjust_sample_rate()
1072 		int unlinked = cpcm->pcm_channel->unlinked;  in _cs46xx_adjust_sample_rate()
1073 		cs46xx_dsp_destroy_pcm_channel (chip,cpcm->pcm_channel);  in _cs46xx_adjust_sample_rate()
1075 		if ( (cpcm->pcm_channel = cs46xx_dsp_create_pcm_channel (chip, sample_rate, cpcm,   in _cs46xx_adjust_sample_rate()
1076 									 cpcm->hw_buf.addr,  in _cs46xx_adjust_sample_rate()
1077 									 cpcm->pcm_channel_id)) == NULL) {  in _cs46xx_adjust_sample_rate()
1083 		if (!unlinked) cs46xx_dsp_pcm_link (chip,cpcm->pcm_channel);  in _cs46xx_adjust_sample_rate()
1084 		cpcm->pcm_channel->sample_rate = sample_rate;  in _cs46xx_adjust_sample_rate()
1096 	struct snd_cs46xx_pcm *cpcm;  in snd_cs46xx_playback_hw_params()  local
1103 	cpcm = runtime->private_data;  in snd_cs46xx_playback_hw_params()
1111 	if (_cs46xx_adjust_sample_rate (chip,cpcm,sample_rate)) {  in snd_cs46xx_playback_hw_params()
1116 	snd_BUG_ON(!cpcm->pcm_channel);  in snd_cs46xx_playback_hw_params()
1117 	if (!cpcm->pcm_channel) {  in snd_cs46xx_playback_hw_params()
1123 	if (cs46xx_dsp_pcm_channel_set_period (chip,cpcm->pcm_channel,period_size)) {  in snd_cs46xx_playback_hw_params()
1135 		if (runtime->dma_area != cpcm->hw_buf.area)  in snd_cs46xx_playback_hw_params()
1137 		runtime->dma_area = cpcm->hw_buf.area;  in snd_cs46xx_playback_hw_params()
1138 		runtime->dma_addr = cpcm->hw_buf.addr;  in snd_cs46xx_playback_hw_params()
1139 		runtime->dma_bytes = cpcm->hw_buf.bytes;  in snd_cs46xx_playback_hw_params()
1143 		if (cpcm->pcm_channel_id == DSP_PCM_MAIN_CHANNEL) {  in snd_cs46xx_playback_hw_params()
1145 		} else if (cpcm->pcm_channel_id == DSP_PCM_REAR_CHANNEL) {  in snd_cs46xx_playback_hw_params()
1147 		} else if (cpcm->pcm_channel_id == DSP_PCM_CENTER_LFE_CHANNEL) {  in snd_cs46xx_playback_hw_params()
1149 		} else if (cpcm->pcm_channel_id == DSP_IEC958_CHANNEL) {  in snd_cs46xx_playback_hw_params()
1159 		if (runtime->dma_area == cpcm->hw_buf.area) {  in snd_cs46xx_playback_hw_params()
1172 		if (cpcm->pcm_channel_id == DSP_PCM_MAIN_CHANNEL) {  in snd_cs46xx_playback_hw_params()
1174 		} else if (cpcm->pcm_channel_id == DSP_PCM_REAR_CHANNEL) {  in snd_cs46xx_playback_hw_params()
1176 		} else if (cpcm->pcm_channel_id == DSP_PCM_CENTER_LFE_CHANNEL) {  in snd_cs46xx_playback_hw_params()
1178 		} else if (cpcm->pcm_channel_id == DSP_IEC958_CHANNEL) {  in snd_cs46xx_playback_hw_params()
1200 	struct snd_cs46xx_pcm *cpcm;  in snd_cs46xx_playback_hw_free()  local
1202 	cpcm = runtime->private_data;  in snd_cs46xx_playback_hw_free()
1206 	if (!cpcm) return -ENXIO;  in snd_cs46xx_playback_hw_free()
1208 	if (runtime->dma_area != cpcm->hw_buf.area)  in snd_cs46xx_playback_hw_free()
1224 	struct snd_cs46xx_pcm *cpcm;  in snd_cs46xx_playback_prepare()  local
1226 	cpcm = runtime->private_data;  in snd_cs46xx_playback_prepare()
1229 	if (snd_BUG_ON(!cpcm->pcm_channel))  in snd_cs46xx_playback_prepare()
1232 	pfie = snd_cs46xx_peek(chip, (cpcm->pcm_channel->pcm_reader_scb->address + 1) << 2 );  in snd_cs46xx_playback_prepare()
1240 	cpcm->shift = 2;  in snd_cs46xx_playback_prepare()
1243 		cpcm->shift--;  in snd_cs46xx_playback_prepare()
1248 		cpcm->shift--;  in snd_cs46xx_playback_prepare()
1262 	memset(&cpcm->pcm_rec, 0, sizeof(cpcm->pcm_rec));  in snd_cs46xx_playback_prepare()
1263 	cpcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);  in snd_cs46xx_playback_prepare()
1264 	cpcm->pcm_rec.hw_buffer_size = runtime->period_size * CS46XX_FRAGS << cpcm->shift;  in snd_cs46xx_playback_prepare()
1268 	tmp = snd_cs46xx_peek(chip, (cpcm->pcm_channel->pcm_reader_scb->address) << 2);  in snd_cs46xx_playback_prepare()
1270 	tmp |= (4 << cpcm->shift) - 1;  in snd_cs46xx_playback_prepare()
1272 	snd_cs46xx_poke(chip, (cpcm->pcm_channel->pcm_reader_scb->address) << 2, tmp);  in snd_cs46xx_playback_prepare()
1275 …snd_cs46xx_poke(chip, (cpcm->pcm_channel->pcm_reader_scb->address + 1) << 2, pfie | cpcm->pcm_chan…  in snd_cs46xx_playback_prepare()
1277 	snd_cs46xx_poke(chip, BA1_PBA, cpcm->hw_buf.addr);  in snd_cs46xx_playback_prepare()
1280 	tmp |= (4 << cpcm->shift) - 1;  in snd_cs46xx_playback_prepare()
1357 	struct snd_cs46xx_pcm *cpcm = NULL;  in snd_cs46xx_interrupt()  local
1382 						cpcm = ins->pcm_channels[i].private_data;  in snd_cs46xx_interrupt()
1383 						snd_pcm_period_elapsed(cpcm->substream);  in snd_cs46xx_interrupt()
1392 					cpcm = ins->pcm_channels[i].private_data;  in snd_cs46xx_interrupt()
1393 					snd_pcm_period_elapsed(cpcm->substream);  in snd_cs46xx_interrupt()
1503 	struct snd_cs46xx_pcm * cpcm;  in _cs46xx_playback_open_channel()  local
1506 	cpcm = kzalloc(sizeof(*cpcm), GFP_KERNEL);  in _cs46xx_playback_open_channel()
1507 	if (cpcm == NULL)  in _cs46xx_playback_open_channel()
1510 				PAGE_SIZE, &cpcm->hw_buf) < 0) {  in _cs46xx_playback_open_channel()
1511 		kfree(cpcm);  in _cs46xx_playback_open_channel()
1516 	runtime->private_data = cpcm;  in _cs46xx_playback_open_channel()
1519 	cpcm->substream = substream;  in _cs46xx_playback_open_channel()
1522 	cpcm->pcm_channel = NULL;   in _cs46xx_playback_open_channel()
1523 	cpcm->pcm_channel_id = pcm_channel_id;  in _cs46xx_playback_open_channel()
1532 	chip->playback_pcm = cpcm; /* HACK */  in _cs46xx_playback_open_channel()
1620 	struct snd_cs46xx_pcm * cpcm;  in snd_cs46xx_playback_close()  local
1622 	cpcm = runtime->private_data;  in snd_cs46xx_playback_close()
1625 	if (!cpcm) return -ENXIO;  in snd_cs46xx_playback_close()
1629 	if (cpcm->pcm_channel) {  in snd_cs46xx_playback_close()
1630 		cs46xx_dsp_destroy_pcm_channel(chip,cpcm->pcm_channel);  in snd_cs46xx_playback_close()
1631 		cpcm->pcm_channel = NULL;  in snd_cs46xx_playback_close()
1638 	cpcm->substream = NULL;  in snd_cs46xx_playback_close()
1639 	snd_dma_free_pages(&cpcm->hw_buf);  in snd_cs46xx_playback_close()