Lines Matching +full:playback +full:- +full:channels
1 // SPDX-License-Identifier: GPL-2.0
3 // Renesas RZ/G2L ASoC Serial Sound Interface (SSIF-2) Driver
75 #define SSI_RATES SNDRV_PCM_RATE_8000_48000 /* 8k-48kHz */
118 * The SSI supports full-duplex transmission and reception.
121 * So it is better to use as half-duplex (playing and recording
122 * should be done on separate channels).
124 struct rz_ssi_stream playback; member
139 unsigned int channels; member
149 writel(data, (priv->base + reg)); in rz_ssi_reg_writel()
154 return readl(priv->base + reg); in rz_ssi_reg_readl()
162 val = readl(priv->base + reg); in rz_ssi_reg_mask_setl()
164 writel(val, (priv->base + reg)); in rz_ssi_reg_mask_setl()
169 return substream->stream == SNDRV_PCM_STREAM_PLAYBACK; in rz_ssi_stream_is_play()
175 struct rz_ssi_stream *stream = &ssi->playback; in rz_ssi_stream_get()
177 if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK) in rz_ssi_stream_get()
178 stream = &ssi->capture; in rz_ssi_stream_get()
185 return (ssi->playback.dma_ch && (ssi->dma_rt || ssi->capture.dma_ch)); in rz_ssi_is_dma_enabled()
191 struct rz_ssi_priv *ssi = strm->priv; in rz_ssi_set_substream()
193 guard(spinlock_irqsave)(&ssi->lock); in rz_ssi_set_substream()
195 strm->substream = substream; in rz_ssi_set_substream()
201 guard(spinlock_irqsave)(&ssi->lock); in rz_ssi_stream_is_valid()
203 return strm->substream && strm->substream->runtime; in rz_ssi_stream_is_valid()
208 return strm->substream && strm->running; in rz_ssi_is_stream_running()
214 struct snd_pcm_runtime *runtime = substream->runtime; in rz_ssi_stream_init()
217 strm->sample_width = samples_to_bytes(runtime, 1); in rz_ssi_stream_init()
218 strm->dma_buffer_pos = 0; in rz_ssi_stream_init()
219 strm->completed_dma_buf_pos = 0; in rz_ssi_stream_init()
220 strm->period_counter = 0; in rz_ssi_stream_init()
221 strm->buffer_pos = 0; in rz_ssi_stream_init()
223 strm->oerr_num = 0; in rz_ssi_stream_init()
224 strm->uerr_num = 0; in rz_ssi_stream_init()
225 strm->running = 0; in rz_ssi_stream_init()
228 strm->fifo_sample_size = SSI_FIFO_DEPTH; in rz_ssi_stream_init()
234 struct device *dev = ssi->dev; in rz_ssi_stream_quit()
238 if (strm->oerr_num > 0) in rz_ssi_stream_quit()
239 dev_info(dev, "overrun = %d\n", strm->oerr_num); in rz_ssi_stream_quit()
241 if (strm->uerr_num > 0) in rz_ssi_stream_quit()
242 dev_info(dev, "underrun = %d\n", strm->uerr_num); in rz_ssi_stream_quit()
246 unsigned int channels) in rz_ssi_clk_setup() argument
250 unsigned long bclk_rate = rate * channels * channel_bits; in rz_ssi_clk_setup()
261 if (ssi->audio_clk_1 && ssi->audio_clk_2) { in rz_ssi_clk_setup()
262 if (ssi->audio_clk_1 % bclk_rate) in rz_ssi_clk_setup()
263 ssi->audio_mck = ssi->audio_clk_2; in rz_ssi_clk_setup()
265 ssi->audio_mck = ssi->audio_clk_1; in rz_ssi_clk_setup()
270 if (ssi->audio_mck == ssi->audio_clk_1) in rz_ssi_clk_setup()
272 if (ssi->bckp_rise) in rz_ssi_clk_setup()
274 if (ssi->lrckp_fsync_fall) in rz_ssi_clk_setup()
279 div = ssi->audio_mck / bclk_rate; in rz_ssi_clk_setup()
289 dev_err(ssi->dev, "Rate not divisible by audio clock source\n"); in rz_ssi_clk_setup()
290 return -EINVAL; in rz_ssi_clk_setup()
321 ret = readl_poll_timeout_atomic(ssi->base + SSISR, tmp, (tmp & SSISR_IIRQ), 1, 100); in rz_ssi_set_idle()
323 dev_warn_ratelimited(ssi->dev, "timeout waiting for SSI idle\n"); in rz_ssi_set_idle()
331 bool is_play = rz_ssi_stream_is_play(strm->substream); in rz_ssi_start()
335 is_full_duplex = rz_ssi_is_stream_running(&ssi->playback) || in rz_ssi_start()
336 rz_ssi_is_stream_running(&ssi->capture); in rz_ssi_start()
352 SSISCR_TDES(strm->fifo_sample_size / 2 - 1) | in rz_ssi_start()
376 strm->running = 1; in rz_ssi_start()
393 return readl_poll_timeout_atomic(ssi->base + SSIFCR, tmp, !(tmp & SSIFCR_SSIRST), 1, 5); in rz_ssi_swreset()
398 strm->running = 0; in rz_ssi_stop()
400 if (rz_ssi_is_stream_running(&ssi->playback) || in rz_ssi_stop()
401 rz_ssi_is_stream_running(&ssi->capture)) in rz_ssi_stop()
409 if (ssi->playback.dma_ch) in rz_ssi_stop()
410 dmaengine_terminate_async(ssi->playback.dma_ch); in rz_ssi_stop()
411 if (ssi->capture.dma_ch) in rz_ssi_stop()
412 dmaengine_terminate_async(ssi->capture.dma_ch); in rz_ssi_stop()
422 struct snd_pcm_substream *substream = strm->substream; in rz_ssi_pointer_update()
426 if (!strm->running || !substream || !substream->runtime) in rz_ssi_pointer_update()
429 runtime = substream->runtime; in rz_ssi_pointer_update()
430 strm->buffer_pos += frames; in rz_ssi_pointer_update()
431 WARN_ON(strm->buffer_pos > runtime->buffer_size); in rz_ssi_pointer_update()
434 if (strm->buffer_pos == runtime->buffer_size) in rz_ssi_pointer_update()
435 strm->buffer_pos = 0; in rz_ssi_pointer_update()
437 current_period = strm->buffer_pos / runtime->period_size; in rz_ssi_pointer_update()
438 if (strm->period_counter != current_period) { in rz_ssi_pointer_update()
439 snd_pcm_period_elapsed(strm->substream); in rz_ssi_pointer_update()
440 strm->period_counter = current_period; in rz_ssi_pointer_update()
443 strm->completed_dma_buf_pos += runtime->period_size; in rz_ssi_pointer_update()
444 if (strm->completed_dma_buf_pos >= runtime->buffer_size) in rz_ssi_pointer_update()
445 strm->completed_dma_buf_pos = 0; in rz_ssi_pointer_update()
450 struct snd_pcm_substream *substream = strm->substream; in rz_ssi_pio_recv()
459 return -EINVAL; in rz_ssi_pio_recv()
461 runtime = substream->runtime; in rz_ssi_pio_recv()
465 frames_left = runtime->period_size - in rz_ssi_pio_recv()
466 (strm->buffer_pos % runtime->period_size); in rz_ssi_pio_recv()
468 frames_left = runtime->period_size; in rz_ssi_pio_recv()
476 while (frames_left && (fifo_samples >= runtime->channels)) { in rz_ssi_pio_recv()
477 samples += runtime->channels; in rz_ssi_pio_recv()
478 fifo_samples -= runtime->channels; in rz_ssi_pio_recv()
479 frames_left--; in rz_ssi_pio_recv()
487 buf = (u16 *)runtime->dma_area; in rz_ssi_pio_recv()
488 buf += strm->buffer_pos * runtime->channels; in rz_ssi_pio_recv()
490 /* Note, only supports 16-bit samples */ in rz_ssi_pio_recv()
495 rz_ssi_pointer_update(strm, samples / runtime->channels); in rz_ssi_pio_recv()
496 } while (!frames_left && fifo_samples >= runtime->channels); in rz_ssi_pio_recv()
503 struct snd_pcm_substream *substream = strm->substream; in rz_ssi_pio_send()
504 struct snd_pcm_runtime *runtime = substream->runtime; in rz_ssi_pio_send()
513 return -EINVAL; in rz_ssi_pio_send()
516 frames_left = runtime->period_size - (strm->buffer_pos % in rz_ssi_pio_send()
517 runtime->period_size); in rz_ssi_pio_send()
519 frames_left = runtime->period_size; in rz_ssi_pio_send()
521 sample_space = strm->fifo_sample_size; in rz_ssi_pio_send()
523 sample_space -= (ssifsr >> SSIFSR_TDC_SHIFT) & SSIFSR_TDC_MASK; in rz_ssi_pio_send()
525 return -EINVAL; in rz_ssi_pio_send()
528 while (frames_left && (sample_space >= runtime->channels)) { in rz_ssi_pio_send()
529 samples += runtime->channels; in rz_ssi_pio_send()
530 sample_space -= runtime->channels; in rz_ssi_pio_send()
531 frames_left--; in rz_ssi_pio_send()
539 buf = (u16 *)(runtime->dma_area); in rz_ssi_pio_send()
540 buf += strm->buffer_pos * runtime->channels; in rz_ssi_pio_send()
542 /* Note, only supports 16-bit samples */ in rz_ssi_pio_send()
547 rz_ssi_pointer_update(strm, samples / runtime->channels); in rz_ssi_pio_send()
559 if (ssi->playback.substream) in rz_ssi_interrupt()
560 strm_playback = &ssi->playback; in rz_ssi_interrupt()
561 if (ssi->capture.substream) in rz_ssi_interrupt()
562 strm_capture = &ssi->capture; in rz_ssi_interrupt()
567 if (irq == ssi->irq_int) { /* error or idle */ in rz_ssi_interrupt()
579 if (ssi->capture.substream && is_stopped) { in rz_ssi_interrupt()
581 strm_capture->uerr_num++; in rz_ssi_interrupt()
583 strm_capture->oerr_num++; in rz_ssi_interrupt()
588 if (ssi->playback.substream && is_stopped) { in rz_ssi_interrupt()
590 strm_playback->uerr_num++; in rz_ssi_interrupt()
592 strm_playback->oerr_num++; in rz_ssi_interrupt()
602 if (ssi->capture.substream && is_stopped) { in rz_ssi_interrupt()
604 strm_capture->transfer(ssi, strm_capture); in rz_ssi_interrupt()
607 if (ssi->playback.substream && is_stopped) { in rz_ssi_interrupt()
609 strm_playback->transfer(ssi, strm_playback); in rz_ssi_interrupt()
613 if (ssi->playback.substream && is_stopped) in rz_ssi_interrupt()
614 rz_ssi_start(ssi, &ssi->playback); in rz_ssi_interrupt()
615 if (ssi->capture.substream && is_stopped) in rz_ssi_interrupt()
616 rz_ssi_start(ssi, &ssi->capture); in rz_ssi_interrupt()
619 if (!rz_ssi_is_stream_running(&ssi->playback) && in rz_ssi_interrupt()
620 !rz_ssi_is_stream_running(&ssi->capture)) in rz_ssi_interrupt()
624 if (irq == ssi->irq_tx && rz_ssi_is_stream_running(&ssi->playback)) in rz_ssi_interrupt()
625 strm_playback->transfer(ssi, &ssi->playback); in rz_ssi_interrupt()
628 if (irq == ssi->irq_rx && rz_ssi_is_stream_running(&ssi->capture)) { in rz_ssi_interrupt()
629 strm_capture->transfer(ssi, &ssi->capture); in rz_ssi_interrupt()
633 if (irq == ssi->irq_rt) { in rz_ssi_interrupt()
634 if (ssi->playback.substream) { in rz_ssi_interrupt()
635 strm_playback->transfer(ssi, &ssi->playback); in rz_ssi_interrupt()
637 strm_capture->transfer(ssi, &ssi->capture); in rz_ssi_interrupt()
653 cfg.dst_addr = ssi->phys + SSIFTDR; in rz_ssi_dma_slave_config()
654 cfg.src_addr = ssi->phys + SSIFRDR; in rz_ssi_dma_slave_config()
664 struct snd_pcm_substream *substream = strm->substream; in rz_ssi_dma_transfer()
672 return -EINVAL; in rz_ssi_dma_transfer()
674 runtime = substream->runtime; in rz_ssi_dma_transfer()
675 if (runtime->state == SNDRV_PCM_STATE_DRAINING) in rz_ssi_dma_transfer()
686 amount = runtime->period_size; in rz_ssi_dma_transfer()
689 dma_paddr = runtime->dma_addr + frames_to_bytes(runtime, in rz_ssi_dma_transfer()
690 strm->dma_buffer_pos); in rz_ssi_dma_transfer()
692 desc = dmaengine_prep_slave_single(strm->dma_ch, dma_paddr, dma_size, in rz_ssi_dma_transfer()
696 dev_err(ssi->dev, "dmaengine_prep_slave_single() fail\n"); in rz_ssi_dma_transfer()
697 return -ENOMEM; in rz_ssi_dma_transfer()
700 desc->callback = rz_ssi_dma_complete; in rz_ssi_dma_transfer()
701 desc->callback_param = strm; in rz_ssi_dma_transfer()
704 dev_err(ssi->dev, "dmaengine_submit() fail\n"); in rz_ssi_dma_transfer()
705 return -EIO; in rz_ssi_dma_transfer()
709 strm->dma_buffer_pos += amount; in rz_ssi_dma_transfer()
710 if (strm->dma_buffer_pos >= runtime->buffer_size) in rz_ssi_dma_transfer()
711 strm->dma_buffer_pos = 0; in rz_ssi_dma_transfer()
714 dma_async_issue_pending(strm->dma_ch); in rz_ssi_dma_transfer()
723 if (!strm->running || !strm->substream || !strm->substream->runtime) in rz_ssi_dma_complete()
727 rz_ssi_pointer_update(strm, strm->substream->runtime->period_size); in rz_ssi_dma_complete()
730 rz_ssi_dma_transfer(strm->priv, strm); in rz_ssi_dma_complete()
735 if (ssi->playback.dma_ch) { in rz_ssi_release_dma_channels()
736 dma_release_channel(ssi->playback.dma_ch); in rz_ssi_release_dma_channels()
737 ssi->playback.dma_ch = NULL; in rz_ssi_release_dma_channels()
738 if (ssi->dma_rt) in rz_ssi_release_dma_channels()
739 ssi->dma_rt = false; in rz_ssi_release_dma_channels()
742 if (ssi->capture.dma_ch) { in rz_ssi_release_dma_channels()
743 dma_release_channel(ssi->capture.dma_ch); in rz_ssi_release_dma_channels()
744 ssi->capture.dma_ch = NULL; in rz_ssi_release_dma_channels()
750 ssi->playback.dma_ch = dma_request_chan(dev, "tx"); in rz_ssi_dma_request()
751 if (IS_ERR(ssi->playback.dma_ch)) in rz_ssi_dma_request()
752 ssi->playback.dma_ch = NULL; in rz_ssi_dma_request()
754 ssi->capture.dma_ch = dma_request_chan(dev, "rx"); in rz_ssi_dma_request()
755 if (IS_ERR(ssi->capture.dma_ch)) in rz_ssi_dma_request()
756 ssi->capture.dma_ch = NULL; in rz_ssi_dma_request()
758 if (!ssi->playback.dma_ch && !ssi->capture.dma_ch) { in rz_ssi_dma_request()
759 ssi->playback.dma_ch = dma_request_chan(dev, "rt"); in rz_ssi_dma_request()
760 if (IS_ERR(ssi->playback.dma_ch)) { in rz_ssi_dma_request()
761 ssi->playback.dma_ch = NULL; in rz_ssi_dma_request()
765 ssi->dma_rt = true; in rz_ssi_dma_request()
771 if (ssi->playback.dma_ch && in rz_ssi_dma_request()
772 (rz_ssi_dma_slave_config(ssi, ssi->playback.dma_ch, true) < 0)) in rz_ssi_dma_request()
775 if (ssi->capture.dma_ch && in rz_ssi_dma_request()
776 (rz_ssi_dma_slave_config(ssi, ssi->capture.dma_ch, false) < 0)) in rz_ssi_dma_request()
784 return -ENODEV; in rz_ssi_dma_request()
789 struct snd_pcm_substream *substream = strm->substream; in rz_ssi_trigger_resume()
790 struct snd_pcm_runtime *runtime = substream->runtime; in rz_ssi_trigger_resume()
793 strm->dma_buffer_pos = strm->completed_dma_buf_pos + runtime->period_size; in rz_ssi_trigger_resume()
795 if (rz_ssi_is_stream_running(&ssi->playback) || in rz_ssi_trigger_resume()
796 rz_ssi_is_stream_running(&ssi->capture)) in rz_ssi_trigger_resume()
803 return rz_ssi_clk_setup(ssi, ssi->hw_params_cache.rate, in rz_ssi_trigger_resume()
804 ssi->hw_params_cache.channels); in rz_ssi_trigger_resume()
826 if (ssi->dma_rt) { in rz_ssi_dai_trigger()
830 ret = rz_ssi_dma_slave_config(ssi, ssi->playback.dma_ch, in rz_ssi_dai_trigger()
834 ssi->playback.transfer = rz_ssi_pio_send; in rz_ssi_dai_trigger()
835 ssi->capture.transfer = rz_ssi_pio_recv; in rz_ssi_dai_trigger()
845 ret = strm->transfer(ssi, strm); in rz_ssi_dai_trigger()
875 dev_err(ssi->dev, "Codec should be clk and frame consumer\n"); in rz_ssi_dai_set_fmt()
876 return -EINVAL; in rz_ssi_dai_set_fmt()
887 ssi->bckp_rise = false; in rz_ssi_dai_set_fmt()
888 ssi->lrckp_fsync_fall = false; in rz_ssi_dai_set_fmt()
891 ssi->bckp_rise = false; in rz_ssi_dai_set_fmt()
892 ssi->lrckp_fsync_fall = true; in rz_ssi_dai_set_fmt()
895 ssi->bckp_rise = true; in rz_ssi_dai_set_fmt()
896 ssi->lrckp_fsync_fall = false; in rz_ssi_dai_set_fmt()
899 ssi->bckp_rise = true; in rz_ssi_dai_set_fmt()
900 ssi->lrckp_fsync_fall = true; in rz_ssi_dai_set_fmt()
903 return -EINVAL; in rz_ssi_dai_set_fmt()
911 dev_err(ssi->dev, "Only I2S mode is supported.\n"); in rz_ssi_dai_set_fmt()
912 return -EINVAL; in rz_ssi_dai_set_fmt()
919 unsigned int channels, in rz_ssi_is_valid_hw_params() argument
923 if (ssi->hw_params_cache.rate != rate || in rz_ssi_is_valid_hw_params()
924 ssi->hw_params_cache.channels != channels || in rz_ssi_is_valid_hw_params()
925 ssi->hw_params_cache.sample_width != sample_width || in rz_ssi_is_valid_hw_params()
926 ssi->hw_params_cache.sample_bits != sample_bits) in rz_ssi_is_valid_hw_params()
933 unsigned int channels, in rz_ssi_cache_hw_params() argument
937 ssi->hw_params_cache.rate = rate; in rz_ssi_cache_hw_params()
938 ssi->hw_params_cache.channels = channels; in rz_ssi_cache_hw_params()
939 ssi->hw_params_cache.sample_width = sample_width; in rz_ssi_cache_hw_params()
940 ssi->hw_params_cache.sample_bits = sample_bits; in rz_ssi_cache_hw_params()
950 SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min; in rz_ssi_dai_hw_params()
951 unsigned int channels = params_channels(params); in rz_ssi_dai_hw_params() local
956 dev_err(ssi->dev, "Unsupported sample width: %d\n", in rz_ssi_dai_hw_params()
958 return -EINVAL; in rz_ssi_dai_hw_params()
961 if (channels != 2) { in rz_ssi_dai_hw_params()
962 dev_err(ssi->dev, "Number of channels not matched: %d\n", in rz_ssi_dai_hw_params()
963 channels); in rz_ssi_dai_hw_params()
964 return -EINVAL; in rz_ssi_dai_hw_params()
967 if (rz_ssi_is_stream_running(&ssi->playback) || in rz_ssi_dai_hw_params()
968 rz_ssi_is_stream_running(&ssi->capture)) { in rz_ssi_dai_hw_params()
969 if (rz_ssi_is_valid_hw_params(ssi, rate, channels, in rz_ssi_dai_hw_params()
970 strm->sample_width, sample_bits)) in rz_ssi_dai_hw_params()
973 dev_err(ssi->dev, "Full duplex needs same HW params\n"); in rz_ssi_dai_hw_params()
974 return -EINVAL; in rz_ssi_dai_hw_params()
977 rz_ssi_cache_hw_params(ssi, rate, channels, strm->sample_width, in rz_ssi_dai_hw_params()
984 return rz_ssi_clk_setup(ssi, rate, channels); in rz_ssi_dai_hw_params()
1013 return snd_pcm_hw_constraint_integer(substream->runtime, in rz_ssi_pcm_open()
1025 return strm->buffer_pos; in rz_ssi_pcm_pointer()
1031 snd_pcm_set_managed_buffer_all(rtd->pcm, SNDRV_DMA_TYPE_DEV, in rz_ssi_pcm_new()
1032 rtd->card->snd_card->dev, in rz_ssi_pcm_new()
1039 .name = "rz-ssi-dai",
1040 .playback = {
1057 .name = "rz-ssi",
1066 struct device *dev = &pdev->dev; in rz_ssi_probe()
1074 return -ENOMEM; in rz_ssi_probe()
1076 ssi->dev = dev; in rz_ssi_probe()
1077 ssi->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res); in rz_ssi_probe()
1078 if (IS_ERR(ssi->base)) in rz_ssi_probe()
1079 return PTR_ERR(ssi->base); in rz_ssi_probe()
1081 ssi->phys = res->start; in rz_ssi_probe()
1082 ssi->clk = devm_clk_get(dev, "ssi"); in rz_ssi_probe()
1083 if (IS_ERR(ssi->clk)) in rz_ssi_probe()
1084 return PTR_ERR(ssi->clk); in rz_ssi_probe()
1086 ssi->sfr_clk = devm_clk_get(dev, "ssi_sfr"); in rz_ssi_probe()
1087 if (IS_ERR(ssi->sfr_clk)) in rz_ssi_probe()
1088 return PTR_ERR(ssi->sfr_clk); in rz_ssi_probe()
1092 return dev_err_probe(&pdev->dev, PTR_ERR(audio_clk), in rz_ssi_probe()
1095 ssi->audio_clk_1 = clk_get_rate(audio_clk); in rz_ssi_probe()
1098 return dev_err_probe(&pdev->dev, PTR_ERR(audio_clk), in rz_ssi_probe()
1101 ssi->audio_clk_2 = clk_get_rate(audio_clk); in rz_ssi_probe()
1102 if (!(ssi->audio_clk_1 || ssi->audio_clk_2)) in rz_ssi_probe()
1103 return dev_err_probe(&pdev->dev, -EINVAL, in rz_ssi_probe()
1106 ssi->audio_mck = ssi->audio_clk_1 ? ssi->audio_clk_1 : ssi->audio_clk_2; in rz_ssi_probe()
1112 ssi->playback.transfer = rz_ssi_pio_send; in rz_ssi_probe()
1113 ssi->capture.transfer = rz_ssi_pio_recv; in rz_ssi_probe()
1116 ssi->playback.transfer = rz_ssi_dma_transfer; in rz_ssi_probe()
1117 ssi->capture.transfer = rz_ssi_dma_transfer; in rz_ssi_probe()
1120 ssi->playback.priv = ssi; in rz_ssi_probe()
1121 ssi->capture.priv = ssi; in rz_ssi_probe()
1123 spin_lock_init(&ssi->lock); in rz_ssi_probe()
1127 ssi->irq_int = platform_get_irq_byname(pdev, "int_req"); in rz_ssi_probe()
1128 if (ssi->irq_int < 0) { in rz_ssi_probe()
1129 ret = ssi->irq_int; in rz_ssi_probe()
1133 ret = devm_request_irq(dev, ssi->irq_int, &rz_ssi_interrupt, in rz_ssi_probe()
1142 ssi->irq_tx = platform_get_irq_byname(pdev, "dma_tx"); in rz_ssi_probe()
1143 ssi->irq_rx = platform_get_irq_byname(pdev, "dma_rx"); in rz_ssi_probe()
1144 if (ssi->irq_tx == -ENXIO && ssi->irq_rx == -ENXIO) { in rz_ssi_probe()
1145 ssi->irq_rt = platform_get_irq_byname(pdev, "dma_rt"); in rz_ssi_probe()
1146 if (ssi->irq_rt < 0) in rz_ssi_probe()
1147 return ssi->irq_rt; in rz_ssi_probe()
1149 ret = devm_request_irq(dev, ssi->irq_rt, in rz_ssi_probe()
1156 if (ssi->irq_tx < 0) in rz_ssi_probe()
1157 return ssi->irq_tx; in rz_ssi_probe()
1159 if (ssi->irq_rx < 0) in rz_ssi_probe()
1160 return ssi->irq_rx; in rz_ssi_probe()
1162 ret = devm_request_irq(dev, ssi->irq_tx, in rz_ssi_probe()
1169 ret = devm_request_irq(dev, ssi->irq_rx, in rz_ssi_probe()
1178 ssi->rstc = devm_reset_control_get_exclusive(dev, NULL); in rz_ssi_probe()
1179 if (IS_ERR(ssi->rstc)) { in rz_ssi_probe()
1180 ret = PTR_ERR(ssi->rstc); in rz_ssi_probe()
1211 struct rz_ssi_priv *ssi = dev_get_drvdata(&pdev->dev); in rz_ssi_remove()
1215 reset_control_assert(ssi->rstc); in rz_ssi_remove()
1219 { .compatible = "renesas,rz-ssi", },
1228 return reset_control_assert(ssi->rstc); in rz_ssi_runtime_suspend()
1235 return reset_control_deassert(ssi->rstc); in rz_ssi_runtime_resume()
1245 .name = "rz-ssi-pcm-audio",