36 	struct lola *chip = snd_pcm_substream_chip(substream);  in lola_get_pcm()  local
37 	return &chip->pcm[substream->stream];  in lola_get_pcm()
47 static unsigned int lola_get_lrc(struct lola *chip)  in lola_get_lrc()  argument
49 	return lola_readl(chip, BAR1, LRC);  in lola_get_lrc()
52 static unsigned int lola_get_tstamp(struct lola *chip, bool quick_no_sync)  in lola_get_tstamp()  argument
54 	unsigned int tstamp = lola_get_lrc(chip) >> 8;  in lola_get_tstamp()
55 	if (chip->granularity) {  in lola_get_tstamp()
57 		tstamp += (wait_banks + 1) * chip->granularity - 1;  in lola_get_tstamp()
58 		tstamp -= tstamp % chip->granularity;  in lola_get_tstamp()
64 static void lola_stream_clear_pending_irq(struct lola *chip,  in lola_stream_clear_pending_irq()  argument
67 	unsigned int val = lola_dsd_read(chip, str->dsd, STS);  in lola_stream_clear_pending_irq()
70 		lola_dsd_write(chip, str->dsd, STS, val);  in lola_stream_clear_pending_irq()
73 static void lola_stream_start(struct lola *chip, struct lola_stream *str,  in lola_stream_start()  argument
76 	lola_stream_clear_pending_irq(chip, str);  in lola_stream_start()
77 	lola_dsd_write(chip, str->dsd, CTL,  in lola_stream_start()
85 static void lola_stream_stop(struct lola *chip, struct lola_stream *str,  in lola_stream_stop()  argument
88 	lola_dsd_write(chip, str->dsd, CTL,  in lola_stream_stop()
93 	lola_stream_clear_pending_irq(chip, str);  in lola_stream_stop()
96 static void wait_for_srst_clear(struct lola *chip, struct lola_stream *str)  in wait_for_srst_clear()  argument
101 		val = lola_dsd_read(chip, str->dsd, CTL);  in wait_for_srst_clear()
106 	dev_warn(chip->card->dev, "SRST not clear (stream %d)\n", str->dsd);  in wait_for_srst_clear()
109 static int lola_stream_wait_for_fifo(struct lola *chip,  in lola_stream_wait_for_fifo()  argument
116 		unsigned int reg = lola_dsd_read(chip, str->dsd, STS);  in lola_stream_wait_for_fifo()
121 	dev_warn(chip->card->dev, "FIFO not ready (stream %d)\n", str->dsd);  in lola_stream_wait_for_fifo()
128 static int lola_sync_wait_for_fifo(struct lola *chip,  in lola_sync_wait_for_fifo()  argument
146 				reg = lola_dsd_read(chip, str->dsd, STS);  in lola_sync_wait_for_fifo()
159 	dev_warn(chip->card->dev, "FIFO not ready (pending %d)\n", pending - 1);  in lola_sync_wait_for_fifo()
164 static void lola_sync_pause(struct lola *chip,  in lola_sync_pause()  argument
169 	lola_sync_wait_for_fifo(chip, substream, false);  in lola_sync_pause()
176 			lola_dsd_write(chip, str->dsd, CTL, LOLA_DSD_CTL_SRUN |  in lola_sync_pause()
179 	lola_sync_wait_for_fifo(chip, substream, true);  in lola_sync_pause()
182 static void lola_stream_reset(struct lola *chip, struct lola_stream *str)  in lola_stream_reset()  argument
186 			lola_sync_pause(chip, str->substream);  in lola_stream_reset()
188 		lola_dsd_write(chip, str->dsd, CTL,  in lola_stream_reset()
190 		lola_stream_wait_for_fifo(chip, str, false);  in lola_stream_reset()
191 		lola_stream_clear_pending_irq(chip, str);  in lola_stream_reset()
192 		lola_dsd_write(chip, str->dsd, CTL, LOLA_DSD_CTL_SRST);  in lola_stream_reset()
193 		lola_dsd_write(chip, str->dsd, LVI, 0);  in lola_stream_reset()
194 		lola_dsd_write(chip, str->dsd, BDPU, 0);  in lola_stream_reset()
195 		lola_dsd_write(chip, str->dsd, BDPL, 0);  in lola_stream_reset()
196 		wait_for_srst_clear(chip, str);  in lola_stream_reset()
225 	struct lola *chip = snd_pcm_substream_chip(substream);  in lola_pcm_open()  local
230 	mutex_lock(&chip->open_mutex);  in lola_pcm_open()
232 		mutex_unlock(&chip->open_mutex);  in lola_pcm_open()
240 	if (chip->sample_rate) {  in lola_pcm_open()
242 		runtime->hw.rate_min = chip->sample_rate;  in lola_pcm_open()
243 		runtime->hw.rate_max = chip->sample_rate;  in lola_pcm_open()
245 		runtime->hw.rate_min = chip->sample_rate_min;  in lola_pcm_open()
246 		runtime->hw.rate_max = chip->sample_rate_max;  in lola_pcm_open()
248 	chip->ref_count_rate++;  in lola_pcm_open()
252 				   chip->granularity);  in lola_pcm_open()
254 				   chip->granularity);  in lola_pcm_open()
255 	mutex_unlock(&chip->open_mutex);  in lola_pcm_open()
274 	struct lola *chip = snd_pcm_substream_chip(substream);  in lola_pcm_close()  local
277 	mutex_lock(&chip->open_mutex);  in lola_pcm_close()
282 	if (--chip->ref_count_rate == 0) {  in lola_pcm_close()
284 		chip->sample_rate = 0;  in lola_pcm_close()
286 	mutex_unlock(&chip->open_mutex);  in lola_pcm_close()
304 	struct lola *chip = snd_pcm_substream_chip(substream);  in lola_pcm_hw_free()  local
308 	mutex_lock(&chip->open_mutex);  in lola_pcm_hw_free()
309 	lola_stream_reset(chip, str);  in lola_pcm_hw_free()
311 	mutex_unlock(&chip->open_mutex);  in lola_pcm_hw_free()
354 static int lola_setup_periods(struct lola *chip, struct lola_pcm *pcm,  in lola_setup_periods()  argument
376 	dev_err(chip->card->dev, "Too many BDL entries: buffer=%d, period=%d\n",  in lola_setup_periods()
405 static int lola_set_stream_config(struct lola *chip,  in lola_set_stream_config()  argument
415 	err = lola_codec_read(chip, str->nid, LOLA_VERB_SET_STREAM_FORMAT,  in lola_set_stream_config()
418 		dev_err(chip->card->dev, "Cannot set stream format 0x%x\n",  in lola_set_stream_config()
426 		err = lola_codec_read(chip, str[i].nid,  in lola_set_stream_config()
430 			dev_err(chip->card->dev,  in lola_set_stream_config()
441 static int lola_setup_controller(struct lola *chip, struct lola_pcm *pcm,  in lola_setup_controller()  argument
451 	lola_dsd_write(chip, str->dsd, BDPL, (u32)bdl);  in lola_setup_controller()
452 	lola_dsd_write(chip, str->dsd, BDPU, upper_32_bits(bdl));  in lola_setup_controller()
454 	lola_dsd_write(chip, str->dsd, LVI, str->frags - 1);  in lola_setup_controller()
455 	lola_stream_clear_pending_irq(chip, str);  in lola_setup_controller()
457  	lola_dsd_write(chip, str->dsd, CTL,  in lola_setup_controller()
462 	return lola_stream_wait_for_fifo(chip, str, true);  in lola_setup_controller()
467 	struct lola *chip = snd_pcm_substream_chip(substream);  in lola_pcm_prepare()  local
474 	mutex_lock(&chip->open_mutex);  in lola_pcm_prepare()
475 	lola_stream_reset(chip, str);  in lola_pcm_prepare()
478 		mutex_unlock(&chip->open_mutex);  in lola_pcm_prepare()
485 	mutex_unlock(&chip->open_mutex);  in lola_pcm_prepare()
495 	err = lola_setup_periods(chip, pcm, substream, str);  in lola_pcm_prepare()
499 	err = lola_set_sample_rate(chip, runtime->rate);  in lola_pcm_prepare()
502 	chip->sample_rate = runtime->rate;	/* sample rate gets locked */  in lola_pcm_prepare()
504 	err = lola_set_stream_config(chip, str, runtime->channels);  in lola_pcm_prepare()
508 	err = lola_setup_controller(chip, pcm, str);  in lola_pcm_prepare()
510 		lola_stream_reset(chip, str);  in lola_pcm_prepare()
519 	struct lola *chip = snd_pcm_substream_chip(substream);  in lola_pcm_trigger()  local
546 	tstamp = lola_get_tstamp(chip, !sync_streams);  in lola_pcm_trigger()
547 	spin_lock(&chip->reg_lock);  in lola_pcm_trigger()
553 			lola_stream_start(chip, str, tstamp);  in lola_pcm_trigger()
555 			lola_stream_stop(chip, str, tstamp);  in lola_pcm_trigger()
560 	spin_unlock(&chip->reg_lock);  in lola_pcm_trigger()
566 	struct lola *chip = snd_pcm_substream_chip(substream);  in lola_pcm_pointer()  local
568 	unsigned int pos = lola_dsd_read(chip, str->dsd, LPIB);  in lola_pcm_pointer()
575 void lola_pcm_update(struct lola *chip, struct lola_pcm *pcm, unsigned int bits)  in lola_pcm_update()  argument
601 int lola_create_pcm(struct lola *chip)  in lola_create_pcm()  argument
608 					  snd_dma_pci_data(chip->pci),  in lola_create_pcm()
609 					  PAGE_SIZE, &chip->pcm[i].bdl);  in lola_create_pcm()
614 	err = snd_pcm_new(chip->card, "Digigram Lola", 0,  in lola_create_pcm()
615 			  chip->pcm[SNDRV_PCM_STREAM_PLAYBACK].num_streams,  in lola_create_pcm()
616 			  chip->pcm[SNDRV_PCM_STREAM_CAPTURE].num_streams,  in lola_create_pcm()
621 	pcm->private_data = chip;  in lola_create_pcm()
623 		if (chip->pcm[i].num_streams)  in lola_create_pcm()
628 					      snd_dma_pci_data(chip->pci),  in lola_create_pcm()
633 void lola_free_pcm(struct lola *chip)  in lola_free_pcm()  argument
635 	snd_dma_free_pages(&chip->pcm[0].bdl);  in lola_free_pcm()
636 	snd_dma_free_pages(&chip->pcm[1].bdl);  in lola_free_pcm()
642 static int lola_init_stream(struct lola *chip, struct lola_stream *str,  in lola_init_stream()  argument
653 	err = lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);  in lola_init_stream()
655 		dev_err(chip->card->dev, "Can't read wcaps for 0x%x\n", nid);  in lola_init_stream()
661 			dev_err(chip->card->dev,  in lola_init_stream()
671 			dev_err(chip->card->dev,  in lola_init_stream()
678 			chip->input_src_caps_mask |= (1 << idx);  in lola_init_stream()
681 	err = lola_read_param(chip, nid, LOLA_PAR_STREAM_FORMATS, &val);  in lola_init_stream()
683 		dev_err(chip->card->dev, "Can't read FORMATS 0x%x\n", nid);  in lola_init_stream()
690 		dev_err(chip->card->dev,  in lola_init_stream()
697 int lola_init_pcm(struct lola *chip, int dir, int *nidp)  in lola_init_pcm()  argument
699 	struct lola_pcm *pcm = &chip->pcm[dir];  in lola_init_pcm()
704 		err = lola_init_stream(chip, &pcm->streams[i], i, nid, dir);  in lola_init_pcm()