60 void snd_hdac_stream_init(struct hdac_bus *bus, struct hdac_stream *azx_dev,  in snd_hdac_stream_init()  argument
63 	azx_dev->bus = bus;  in snd_hdac_stream_init()
65 	azx_dev->sd_addr = bus->remap_addr + (0x20 * idx + 0x80);  in snd_hdac_stream_init()
67 	azx_dev->sd_int_sta_mask = 1 << idx;  in snd_hdac_stream_init()
68 	azx_dev->index = idx;  in snd_hdac_stream_init()
69 	azx_dev->direction = direction;  in snd_hdac_stream_init()
70 	azx_dev->stream_tag = tag;  in snd_hdac_stream_init()
71 	snd_hdac_dsp_lock_init(azx_dev);  in snd_hdac_stream_init()
72 	list_add_tail(&azx_dev->list, &bus->stream_list);  in snd_hdac_stream_init()
83 void snd_hdac_stream_start(struct hdac_stream *azx_dev, bool fresh_start)  in snd_hdac_stream_start()  argument
85 	struct hdac_bus *bus = azx_dev->bus;  in snd_hdac_stream_start()
88 	trace_snd_hdac_stream_start(bus, azx_dev);  in snd_hdac_stream_start()
90 	azx_dev->start_wallclk = snd_hdac_chip_readl(bus, WALLCLK);  in snd_hdac_stream_start()
92 		azx_dev->start_wallclk -= azx_dev->period_wallclk;  in snd_hdac_stream_start()
96 			      1 << azx_dev->index,  in snd_hdac_stream_start()
97 			      1 << azx_dev->index);  in snd_hdac_stream_start()
99 	if (azx_dev->substream)  in snd_hdac_stream_start()
100 		stripe_ctl = snd_hdac_get_stream_stripe_ctl(bus, azx_dev->substream);  in snd_hdac_stream_start()
103 	snd_hdac_stream_updateb(azx_dev, SD_CTL_3B, SD_CTL_STRIPE_MASK,  in snd_hdac_stream_start()
106 	snd_hdac_stream_updateb(azx_dev, SD_CTL,  in snd_hdac_stream_start()
108 	azx_dev->running = true;  in snd_hdac_stream_start()
116 void snd_hdac_stream_clear(struct hdac_stream *azx_dev)  in snd_hdac_stream_clear()  argument
118 	snd_hdac_stream_updateb(azx_dev, SD_CTL,  in snd_hdac_stream_clear()
120 	snd_hdac_stream_writeb(azx_dev, SD_STS, SD_INT_MASK); /* to be sure */  in snd_hdac_stream_clear()
121 	snd_hdac_stream_updateb(azx_dev, SD_CTL_3B, SD_CTL_STRIPE_MASK, 0);  in snd_hdac_stream_clear()
122 	azx_dev->running = false;  in snd_hdac_stream_clear()
132 void snd_hdac_stream_stop(struct hdac_stream *azx_dev)  in snd_hdac_stream_stop()  argument
134 	trace_snd_hdac_stream_stop(azx_dev->bus, azx_dev);  in snd_hdac_stream_stop()
136 	snd_hdac_stream_clear(azx_dev);  in snd_hdac_stream_stop()
138 	snd_hdac_chip_updatel(azx_dev->bus, INTCTL, 1 << azx_dev->index, 0);  in snd_hdac_stream_stop()
146 void snd_hdac_stream_reset(struct hdac_stream *azx_dev)  in snd_hdac_stream_reset()  argument
151 	snd_hdac_stream_clear(azx_dev);  in snd_hdac_stream_reset()
153 	snd_hdac_stream_updateb(azx_dev, SD_CTL, 0, SD_CTL_STREAM_RESET);  in snd_hdac_stream_reset()
157 		val = snd_hdac_stream_readb(azx_dev, SD_CTL) &  in snd_hdac_stream_reset()
163 	snd_hdac_stream_writeb(azx_dev, SD_CTL, val);  in snd_hdac_stream_reset()
169 		val = snd_hdac_stream_readb(azx_dev, SD_CTL) &  in snd_hdac_stream_reset()
176 	if (azx_dev->posbuf)  in snd_hdac_stream_reset()
177 		*azx_dev->posbuf = 0;  in snd_hdac_stream_reset()
185 int snd_hdac_stream_setup(struct hdac_stream *azx_dev)  in snd_hdac_stream_setup()  argument
187 	struct hdac_bus *bus = azx_dev->bus;  in snd_hdac_stream_setup()
191 	if (azx_dev->substream)  in snd_hdac_stream_setup()
192 		runtime = azx_dev->substream->runtime;  in snd_hdac_stream_setup()
196 	snd_hdac_stream_clear(azx_dev);  in snd_hdac_stream_setup()
198 	val = snd_hdac_stream_readl(azx_dev, SD_CTL);  in snd_hdac_stream_setup()
200 		(azx_dev->stream_tag << SD_CTL_STREAM_TAG_SHIFT);  in snd_hdac_stream_setup()
203 	snd_hdac_stream_writel(azx_dev, SD_CTL, val);  in snd_hdac_stream_setup()
206 	snd_hdac_stream_writel(azx_dev, SD_CBL, azx_dev->bufsize);  in snd_hdac_stream_setup()
210 	snd_hdac_stream_writew(azx_dev, SD_FORMAT, azx_dev->format_val);  in snd_hdac_stream_setup()
213 	snd_hdac_stream_writew(azx_dev, SD_LVI, azx_dev->frags - 1);  in snd_hdac_stream_setup()
217 	snd_hdac_stream_writel(azx_dev, SD_BDLPL, (u32)azx_dev->bdl.addr);  in snd_hdac_stream_setup()
219 	snd_hdac_stream_writel(azx_dev, SD_BDLPU,  in snd_hdac_stream_setup()
220 			       upper_32_bits(azx_dev->bdl.addr));  in snd_hdac_stream_setup()
230 	snd_hdac_stream_updatel(azx_dev, SD_CTL, 0, SD_INT_MASK);  in snd_hdac_stream_setup()
232 	azx_dev->fifo_size = snd_hdac_stream_readw(azx_dev, SD_FIFOSIZE) + 1;  in snd_hdac_stream_setup()
239 		azx_dev->delay_negative_threshold =  in snd_hdac_stream_setup()
242 		azx_dev->delay_negative_threshold = 0;  in snd_hdac_stream_setup()
246 		azx_dev->period_wallclk = (((runtime->period_size * 24000) /  in snd_hdac_stream_setup()
257 void snd_hdac_stream_cleanup(struct hdac_stream *azx_dev)  in snd_hdac_stream_cleanup()  argument
259 	snd_hdac_stream_writel(azx_dev, SD_BDLPL, 0);  in snd_hdac_stream_cleanup()
260 	snd_hdac_stream_writel(azx_dev, SD_BDLPU, 0);  in snd_hdac_stream_cleanup()
261 	snd_hdac_stream_writel(azx_dev, SD_CTL, 0);  in snd_hdac_stream_cleanup()
262 	azx_dev->bufsize = 0;  in snd_hdac_stream_cleanup()
263 	azx_dev->period_bytes = 0;  in snd_hdac_stream_cleanup()
264 	azx_dev->format_val = 0;  in snd_hdac_stream_cleanup()
282 	struct hdac_stream *azx_dev;  in snd_hdac_stream_assign()  local
289 	list_for_each_entry(azx_dev, &bus->stream_list, list) {  in snd_hdac_stream_assign()
290 		if (azx_dev->direction != substream->stream)  in snd_hdac_stream_assign()
292 		if (azx_dev->opened)  in snd_hdac_stream_assign()
294 		if (azx_dev->assigned_key == key) {  in snd_hdac_stream_assign()
295 			res = azx_dev;  in snd_hdac_stream_assign()
299 			res = azx_dev;  in snd_hdac_stream_assign()
319 void snd_hdac_stream_release(struct hdac_stream *azx_dev)  in snd_hdac_stream_release()  argument
321 	struct hdac_bus *bus = azx_dev->bus;  in snd_hdac_stream_release()
324 	azx_dev->opened = 0;  in snd_hdac_stream_release()
325 	azx_dev->running = 0;  in snd_hdac_stream_release()
326 	azx_dev->substream = NULL;  in snd_hdac_stream_release()
358 		      struct hdac_stream *azx_dev, __le32 **bdlp,  in setup_bdle()  argument
367 		if (azx_dev->frags >= AZX_MAX_BDL_ENTRIES)  in setup_bdle()
390 		azx_dev->frags++;  in setup_bdle()
404 int snd_hdac_stream_setup_periods(struct hdac_stream *azx_dev)  in snd_hdac_stream_setup_periods()  argument
406 	struct hdac_bus *bus = azx_dev->bus;  in snd_hdac_stream_setup_periods()
407 	struct snd_pcm_substream *substream = azx_dev->substream;  in snd_hdac_stream_setup_periods()
414 	snd_hdac_stream_writel(azx_dev, SD_BDLPL, 0);  in snd_hdac_stream_setup_periods()
415 	snd_hdac_stream_writel(azx_dev, SD_BDLPU, 0);  in snd_hdac_stream_setup_periods()
417 	period_bytes = azx_dev->period_bytes;  in snd_hdac_stream_setup_periods()
418 	periods = azx_dev->bufsize / period_bytes;  in snd_hdac_stream_setup_periods()
421 	bdl = (__le32 *)azx_dev->bdl.area;  in snd_hdac_stream_setup_periods()
423 	azx_dev->frags = 0;  in snd_hdac_stream_setup_periods()
426 	if (!azx_dev->no_period_wakeup && pos_adj > 0) {  in snd_hdac_stream_setup_periods()
441 					 azx_dev,  in snd_hdac_stream_setup_periods()
452 					 azx_dev, &bdl, ofs,  in snd_hdac_stream_setup_periods()
456 					 azx_dev, &bdl, ofs,  in snd_hdac_stream_setup_periods()
458 					 !azx_dev->no_period_wakeup);  in snd_hdac_stream_setup_periods()
466 		azx_dev->bufsize, period_bytes);  in snd_hdac_stream_setup_periods()
479 int snd_hdac_stream_set_params(struct hdac_stream *azx_dev,  in snd_hdac_stream_set_params()  argument
484 	struct snd_pcm_substream *substream = azx_dev->substream;  in snd_hdac_stream_set_params()
494 	if (bufsize != azx_dev->bufsize ||  in snd_hdac_stream_set_params()
495 	    period_bytes != azx_dev->period_bytes ||  in snd_hdac_stream_set_params()
496 	    format_val != azx_dev->format_val ||  in snd_hdac_stream_set_params()
497 	    runtime->no_period_wakeup != azx_dev->no_period_wakeup) {  in snd_hdac_stream_set_params()
498 		azx_dev->bufsize = bufsize;  in snd_hdac_stream_set_params()
499 		azx_dev->period_bytes = period_bytes;  in snd_hdac_stream_set_params()
500 		azx_dev->format_val = format_val;  in snd_hdac_stream_set_params()
501 		azx_dev->no_period_wakeup = runtime->no_period_wakeup;  in snd_hdac_stream_set_params()
502 		err = snd_hdac_stream_setup_periods(azx_dev);  in snd_hdac_stream_set_params()
512 	struct hdac_stream *azx_dev = container_of(cc, struct hdac_stream, cc);  in azx_cc_read()  local
514 	return snd_hdac_chip_readl(azx_dev->bus, WALLCLK);  in azx_cc_read()
517 static void azx_timecounter_init(struct hdac_stream *azx_dev,  in azx_timecounter_init()  argument
520 	struct timecounter *tc = &azx_dev->tc;  in azx_timecounter_init()
521 	struct cyclecounter *cc = &azx_dev->cc;  in azx_timecounter_init()
561 void snd_hdac_stream_timecounter_init(struct hdac_stream *azx_dev,  in snd_hdac_stream_timecounter_init()  argument
564 	struct hdac_bus *bus = azx_dev->bus;  in snd_hdac_stream_timecounter_init()
565 	struct snd_pcm_runtime *runtime = azx_dev->substream->runtime;  in snd_hdac_stream_timecounter_init()
592 void snd_hdac_stream_sync_trigger(struct hdac_stream *azx_dev, bool set,  in snd_hdac_stream_sync_trigger()  argument
595 	struct hdac_bus *bus = azx_dev->bus;  in snd_hdac_stream_sync_trigger()
618 void snd_hdac_stream_sync(struct hdac_stream *azx_dev, bool start,  in snd_hdac_stream_sync()  argument
621 	struct hdac_bus *bus = azx_dev->bus;  in snd_hdac_stream_sync()
662 int snd_hdac_dsp_prepare(struct hdac_stream *azx_dev, unsigned int format,  in snd_hdac_dsp_prepare()  argument
665 	struct hdac_bus *bus = azx_dev->bus;  in snd_hdac_dsp_prepare()
669 	snd_hdac_dsp_lock(azx_dev);  in snd_hdac_dsp_prepare()
671 	if (azx_dev->running || azx_dev->locked) {  in snd_hdac_dsp_prepare()
676 	azx_dev->locked = true;  in snd_hdac_dsp_prepare()
684 	azx_dev->substream = NULL;  in snd_hdac_dsp_prepare()
685 	azx_dev->bufsize = byte_size;  in snd_hdac_dsp_prepare()
686 	azx_dev->period_bytes = byte_size;  in snd_hdac_dsp_prepare()
687 	azx_dev->format_val = format;  in snd_hdac_dsp_prepare()
689 	snd_hdac_stream_reset(azx_dev);  in snd_hdac_dsp_prepare()
692 	snd_hdac_stream_writel(azx_dev, SD_BDLPL, 0);  in snd_hdac_dsp_prepare()
693 	snd_hdac_stream_writel(azx_dev, SD_BDLPU, 0);  in snd_hdac_dsp_prepare()
695 	azx_dev->frags = 0;  in snd_hdac_dsp_prepare()
696 	bdl = (__le32 *)azx_dev->bdl.area;  in snd_hdac_dsp_prepare()
697 	err = setup_bdle(bus, bufp, azx_dev, &bdl, 0, byte_size, 0);  in snd_hdac_dsp_prepare()
701 	snd_hdac_stream_setup(azx_dev);  in snd_hdac_dsp_prepare()
702 	snd_hdac_dsp_unlock(azx_dev);  in snd_hdac_dsp_prepare()
703 	return azx_dev->stream_tag;  in snd_hdac_dsp_prepare()
709 	azx_dev->locked = false;  in snd_hdac_dsp_prepare()
712 	snd_hdac_dsp_unlock(azx_dev);  in snd_hdac_dsp_prepare()
722 void snd_hdac_dsp_trigger(struct hdac_stream *azx_dev, bool start)  in snd_hdac_dsp_trigger()  argument
725 		snd_hdac_stream_start(azx_dev, true);  in snd_hdac_dsp_trigger()
727 		snd_hdac_stream_stop(azx_dev);  in snd_hdac_dsp_trigger()
736 void snd_hdac_dsp_cleanup(struct hdac_stream *azx_dev,  in snd_hdac_dsp_cleanup()  argument
739 	struct hdac_bus *bus = azx_dev->bus;  in snd_hdac_dsp_cleanup()
741 	if (!dmab->area || !azx_dev->locked)  in snd_hdac_dsp_cleanup()
744 	snd_hdac_dsp_lock(azx_dev);  in snd_hdac_dsp_cleanup()
746 	snd_hdac_stream_writel(azx_dev, SD_BDLPL, 0);  in snd_hdac_dsp_cleanup()
747 	snd_hdac_stream_writel(azx_dev, SD_BDLPU, 0);  in snd_hdac_dsp_cleanup()
748 	snd_hdac_stream_writel(azx_dev, SD_CTL, 0);  in snd_hdac_dsp_cleanup()
749 	azx_dev->bufsize = 0;  in snd_hdac_dsp_cleanup()
750 	azx_dev->period_bytes = 0;  in snd_hdac_dsp_cleanup()
751 	azx_dev->format_val = 0;  in snd_hdac_dsp_cleanup()
757 	azx_dev->locked = false;  in snd_hdac_dsp_cleanup()
759 	snd_hdac_dsp_unlock(azx_dev);  in snd_hdac_dsp_cleanup()