Lines Matching full:ssi
28 /* SSI REGISTER BITS */
86 int fifo_sample_size; /* sample capacity of SSI FIFO */
98 int (*transfer)(struct rz_ssi_priv *ssi, struct rz_ssi_stream *strm);
117 * The SSI supports full-duplex transmission and reception.
172 rz_ssi_stream_get(struct rz_ssi_priv *ssi, struct snd_pcm_substream *substream) in rz_ssi_stream_get() argument
174 struct rz_ssi_stream *stream = &ssi->playback; in rz_ssi_stream_get()
177 stream = &ssi->capture; in rz_ssi_stream_get()
182 static inline bool rz_ssi_is_dma_enabled(struct rz_ssi_priv *ssi) in rz_ssi_is_dma_enabled() argument
184 return (ssi->playback.dma_ch && (ssi->dma_rt || ssi->capture.dma_ch)); in rz_ssi_is_dma_enabled()
190 struct rz_ssi_priv *ssi = strm->priv; in rz_ssi_set_substream() local
193 spin_lock_irqsave(&ssi->lock, flags); in rz_ssi_set_substream()
195 spin_unlock_irqrestore(&ssi->lock, flags); in rz_ssi_set_substream()
198 static bool rz_ssi_stream_is_valid(struct rz_ssi_priv *ssi, in rz_ssi_stream_is_valid() argument
204 spin_lock_irqsave(&ssi->lock, flags); in rz_ssi_stream_is_valid()
206 spin_unlock_irqrestore(&ssi->lock, flags); in rz_ssi_stream_is_valid()
235 static void rz_ssi_stream_quit(struct rz_ssi_priv *ssi, in rz_ssi_stream_quit() argument
238 struct device *dev = ssi->dev; in rz_ssi_stream_quit()
249 static int rz_ssi_clk_setup(struct rz_ssi_priv *ssi, unsigned int rate, in rz_ssi_clk_setup() argument
261 rz_ssi_reg_writel(ssi, SSIFCR, 0); in rz_ssi_clk_setup()
264 rz_ssi_reg_writel(ssi, SSIOFR, SSIOFR_LRCONT); in rz_ssi_clk_setup()
265 if (ssi->audio_clk_1 && ssi->audio_clk_2) { in rz_ssi_clk_setup()
266 if (ssi->audio_clk_1 % bclk_rate) in rz_ssi_clk_setup()
267 ssi->audio_mck = ssi->audio_clk_2; in rz_ssi_clk_setup()
269 ssi->audio_mck = ssi->audio_clk_1; in rz_ssi_clk_setup()
274 if (ssi->audio_mck == ssi->audio_clk_1) in rz_ssi_clk_setup()
276 if (ssi->bckp_rise) in rz_ssi_clk_setup()
278 if (ssi->lrckp_fsync_fall) in rz_ssi_clk_setup()
283 div = ssi->audio_mck / bclk_rate; in rz_ssi_clk_setup()
293 dev_err(ssi->dev, "Rate not divisible by audio clock source\n"); in rz_ssi_clk_setup()
303 rz_ssi_reg_writel(ssi, SSICR, ssicr); in rz_ssi_clk_setup()
304 rz_ssi_reg_writel(ssi, SSIFCR, SSIFCR_AUCKE | SSIFCR_FIFO_RST); in rz_ssi_clk_setup()
309 static void rz_ssi_set_idle(struct rz_ssi_priv *ssi) in rz_ssi_set_idle() argument
315 rz_ssi_reg_mask_setl(ssi, SSICR, SSICR_TUIEN | SSICR_TOIEN | in rz_ssi_set_idle()
317 rz_ssi_reg_mask_setl(ssi, SSIFCR, SSIFCR_TIE | SSIFCR_RIE, 0); in rz_ssi_set_idle()
320 rz_ssi_reg_mask_setl(ssi, SSISR, in rz_ssi_set_idle()
325 ret = readl_poll_timeout_atomic(ssi->base + SSISR, tmp, (tmp & SSISR_IIRQ), 1, 100); in rz_ssi_set_idle()
327 dev_warn_ratelimited(ssi->dev, "timeout waiting for SSI idle\n"); in rz_ssi_set_idle()
330 rz_ssi_reg_mask_setl(ssi, SSIFCR, 0, SSIFCR_FIFO_RST); in rz_ssi_set_idle()
333 static int rz_ssi_start(struct rz_ssi_priv *ssi, struct rz_ssi_stream *strm) in rz_ssi_start() argument
339 is_full_duplex = rz_ssi_is_stream_running(&ssi->playback) || in rz_ssi_start()
340 rz_ssi_is_stream_running(&ssi->capture); in rz_ssi_start()
341 ssicr = rz_ssi_reg_readl(ssi, SSICR); in rz_ssi_start()
342 ssifcr = rz_ssi_reg_readl(ssi, SSIFCR); in rz_ssi_start()
346 rz_ssi_reg_mask_setl(ssi, SSICR, SSICR_TEN | SSICR_REN, 0); in rz_ssi_start()
347 rz_ssi_set_idle(ssi); in rz_ssi_start()
352 if (rz_ssi_is_dma_enabled(ssi)) in rz_ssi_start()
353 rz_ssi_reg_writel(ssi, SSISCR, 0); in rz_ssi_start()
355 rz_ssi_reg_writel(ssi, SSISCR, in rz_ssi_start()
372 rz_ssi_reg_writel(ssi, SSICR, ssicr); in rz_ssi_start()
373 rz_ssi_reg_writel(ssi, SSIFCR, ssifcr); in rz_ssi_start()
376 rz_ssi_reg_mask_setl(ssi, SSISR, in rz_ssi_start()
386 rz_ssi_reg_writel(ssi, SSICR, ssicr); in rz_ssi_start()
391 static int rz_ssi_swreset(struct rz_ssi_priv *ssi) in rz_ssi_swreset() argument
395 rz_ssi_reg_mask_setl(ssi, SSIFCR, 0, SSIFCR_SSIRST); in rz_ssi_swreset()
396 rz_ssi_reg_mask_setl(ssi, SSIFCR, SSIFCR_SSIRST, 0); in rz_ssi_swreset()
397 return readl_poll_timeout_atomic(ssi->base + SSIFCR, tmp, !(tmp & SSIFCR_SSIRST), 1, 5); in rz_ssi_swreset()
400 static int rz_ssi_stop(struct rz_ssi_priv *ssi, struct rz_ssi_stream *strm) in rz_ssi_stop() argument
404 if (rz_ssi_is_stream_running(&ssi->playback) || in rz_ssi_stop()
405 rz_ssi_is_stream_running(&ssi->capture)) in rz_ssi_stop()
409 rz_ssi_reg_mask_setl(ssi, SSICR, SSICR_TEN | SSICR_REN, 0); in rz_ssi_stop()
412 if (rz_ssi_is_dma_enabled(ssi)) { in rz_ssi_stop()
413 if (ssi->playback.dma_ch) in rz_ssi_stop()
414 dmaengine_terminate_async(ssi->playback.dma_ch); in rz_ssi_stop()
415 if (ssi->capture.dma_ch) in rz_ssi_stop()
416 dmaengine_terminate_async(ssi->capture.dma_ch); in rz_ssi_stop()
419 rz_ssi_set_idle(ssi); in rz_ssi_stop()
448 static int rz_ssi_pio_recv(struct rz_ssi_priv *ssi, struct rz_ssi_stream *strm) in rz_ssi_pio_recv() argument
458 if (!rz_ssi_stream_is_valid(ssi, strm)) in rz_ssi_pio_recv()
471 fifo_samples = (rz_ssi_reg_readl(ssi, SSIFSR) >> in rz_ssi_pio_recv()
492 *buf++ = (u16)(rz_ssi_reg_readl(ssi, SSIFRDR) >> 16); in rz_ssi_pio_recv()
494 rz_ssi_reg_mask_setl(ssi, SSIFSR, SSIFSR_RDF, 0); in rz_ssi_pio_recv()
501 static int rz_ssi_pio_send(struct rz_ssi_priv *ssi, struct rz_ssi_stream *strm) in rz_ssi_pio_send() argument
512 if (!rz_ssi_stream_is_valid(ssi, strm)) in rz_ssi_pio_send()
522 ssifsr = rz_ssi_reg_readl(ssi, SSIFSR); in rz_ssi_pio_send()
544 rz_ssi_reg_writel(ssi, SSIFTDR, ((u32)(*buf++) << 16)); in rz_ssi_pio_send()
546 rz_ssi_reg_mask_setl(ssi, SSIFSR, SSIFSR_TDE, 0); in rz_ssi_pio_send()
556 struct rz_ssi_priv *ssi = data; in rz_ssi_interrupt() local
557 u32 ssisr = rz_ssi_reg_readl(ssi, SSISR); in rz_ssi_interrupt()
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()
571 if (rz_ssi_is_dma_enabled(ssi)) in rz_ssi_interrupt()
579 if (ssi->capture.substream && is_stopped) { in rz_ssi_interrupt()
585 rz_ssi_stop(ssi, strm_capture); in rz_ssi_interrupt()
588 if (ssi->playback.substream && is_stopped) { in rz_ssi_interrupt()
594 rz_ssi_stop(ssi, strm_playback); in rz_ssi_interrupt()
598 rz_ssi_reg_mask_setl(ssi, SSISR, SSISR_TOIRQ | SSISR_TUIRQ | 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()
630 rz_ssi_reg_mask_setl(ssi, SSIFSR, SSIFSR_RDF, 0); 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()
638 rz_ssi_reg_mask_setl(ssi, SSIFSR, SSIFSR_RDF, 0); in rz_ssi_interrupt()
645 static int rz_ssi_dma_slave_config(struct rz_ssi_priv *ssi, in rz_ssi_dma_slave_config() argument
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()
661 static int rz_ssi_dma_transfer(struct rz_ssi_priv *ssi, in rz_ssi_dma_transfer() argument
671 if (!rz_ssi_stream_is_valid(ssi, strm)) in rz_ssi_dma_transfer()
696 dev_err(ssi->dev, "dmaengine_prep_slave_single() fail\n"); in rz_ssi_dma_transfer()
704 dev_err(ssi->dev, "dmaengine_submit() fail\n"); in rz_ssi_dma_transfer()
733 static void rz_ssi_release_dma_channels(struct rz_ssi_priv *ssi) in rz_ssi_release_dma_channels() argument
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()
748 static int rz_ssi_dma_request(struct rz_ssi_priv *ssi, struct device *dev) in rz_ssi_dma_request() argument
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()
768 if (!rz_ssi_is_dma_enabled(ssi)) 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()
782 rz_ssi_release_dma_channels(ssi); in rz_ssi_dma_request()
787 static int rz_ssi_trigger_resume(struct rz_ssi_priv *ssi) in rz_ssi_trigger_resume() argument
791 if (rz_ssi_is_stream_running(&ssi->playback) || in rz_ssi_trigger_resume()
792 rz_ssi_is_stream_running(&ssi->capture)) in rz_ssi_trigger_resume()
795 ret = rz_ssi_swreset(ssi); in rz_ssi_trigger_resume()
799 return rz_ssi_clk_setup(ssi, ssi->hw_params_cache.rate, in rz_ssi_trigger_resume()
800 ssi->hw_params_cache.channels); in rz_ssi_trigger_resume()
803 static void rz_ssi_streams_suspend(struct rz_ssi_priv *ssi) in rz_ssi_streams_suspend() argument
805 if (rz_ssi_is_stream_running(&ssi->playback) || in rz_ssi_streams_suspend()
806 rz_ssi_is_stream_running(&ssi->capture)) in rz_ssi_streams_suspend()
809 ssi->playback.dma_buffer_pos = 0; in rz_ssi_streams_suspend()
810 ssi->capture.dma_buffer_pos = 0; in rz_ssi_streams_suspend()
816 struct rz_ssi_priv *ssi = snd_soc_dai_get_drvdata(dai); in rz_ssi_dai_trigger() local
817 struct rz_ssi_stream *strm = rz_ssi_stream_get(ssi, substream); in rz_ssi_dai_trigger()
822 ret = rz_ssi_trigger_resume(ssi); in rz_ssi_dai_trigger()
832 if (ssi->dma_rt) { in rz_ssi_dai_trigger()
836 ret = rz_ssi_dma_slave_config(ssi, ssi->playback.dma_ch, in rz_ssi_dai_trigger()
840 ssi->playback.transfer = rz_ssi_pio_send; in rz_ssi_dai_trigger()
841 ssi->capture.transfer = rz_ssi_pio_recv; in rz_ssi_dai_trigger()
842 rz_ssi_release_dma_channels(ssi); in rz_ssi_dai_trigger()
847 if (rz_ssi_is_dma_enabled(ssi)) in rz_ssi_dai_trigger()
851 ret = strm->transfer(ssi, strm); in rz_ssi_dai_trigger()
856 ret = rz_ssi_start(ssi, strm); in rz_ssi_dai_trigger()
860 rz_ssi_stop(ssi, strm); in rz_ssi_dai_trigger()
861 rz_ssi_streams_suspend(ssi); in rz_ssi_dai_trigger()
865 rz_ssi_stop(ssi, strm); in rz_ssi_dai_trigger()
866 rz_ssi_stream_quit(ssi, strm); in rz_ssi_dai_trigger()
876 struct rz_ssi_priv *ssi = snd_soc_dai_get_drvdata(dai); in rz_ssi_dai_set_fmt() local
882 dev_err(ssi->dev, "Codec should be clk and frame consumer\n"); in rz_ssi_dai_set_fmt()
894 ssi->bckp_rise = false; in rz_ssi_dai_set_fmt()
895 ssi->lrckp_fsync_fall = false; in rz_ssi_dai_set_fmt()
898 ssi->bckp_rise = false; in rz_ssi_dai_set_fmt()
899 ssi->lrckp_fsync_fall = true; in rz_ssi_dai_set_fmt()
902 ssi->bckp_rise = true; in rz_ssi_dai_set_fmt()
903 ssi->lrckp_fsync_fall = false; in rz_ssi_dai_set_fmt()
906 ssi->bckp_rise = true; in rz_ssi_dai_set_fmt()
907 ssi->lrckp_fsync_fall = true; in rz_ssi_dai_set_fmt()
918 dev_err(ssi->dev, "Only I2S mode is supported.\n"); in rz_ssi_dai_set_fmt()
925 static bool rz_ssi_is_valid_hw_params(struct rz_ssi_priv *ssi, unsigned int rate, in rz_ssi_is_valid_hw_params() argument
930 if (ssi->hw_params_cache.rate != rate || in rz_ssi_is_valid_hw_params()
931 ssi->hw_params_cache.channels != channels || in rz_ssi_is_valid_hw_params()
932 ssi->hw_params_cache.sample_width != sample_width || in rz_ssi_is_valid_hw_params()
933 ssi->hw_params_cache.sample_bits != sample_bits) in rz_ssi_is_valid_hw_params()
939 static void rz_ssi_cache_hw_params(struct rz_ssi_priv *ssi, unsigned int rate, in rz_ssi_cache_hw_params() argument
944 ssi->hw_params_cache.rate = rate; in rz_ssi_cache_hw_params()
945 ssi->hw_params_cache.channels = channels; in rz_ssi_cache_hw_params()
946 ssi->hw_params_cache.sample_width = sample_width; in rz_ssi_cache_hw_params()
947 ssi->hw_params_cache.sample_bits = sample_bits; in rz_ssi_cache_hw_params()
954 struct rz_ssi_priv *ssi = snd_soc_dai_get_drvdata(dai); in rz_ssi_dai_hw_params() local
955 struct rz_ssi_stream *strm = rz_ssi_stream_get(ssi, substream); in rz_ssi_dai_hw_params()
963 dev_err(ssi->dev, "Unsupported sample width: %d\n", in rz_ssi_dai_hw_params()
969 dev_err(ssi->dev, "Number of channels not matched: %d\n", in rz_ssi_dai_hw_params()
974 if (rz_ssi_is_stream_running(&ssi->playback) || in rz_ssi_dai_hw_params()
975 rz_ssi_is_stream_running(&ssi->capture)) { in rz_ssi_dai_hw_params()
976 if (rz_ssi_is_valid_hw_params(ssi, rate, channels, in rz_ssi_dai_hw_params()
980 dev_err(ssi->dev, "Full duplex needs same HW params\n"); in rz_ssi_dai_hw_params()
984 rz_ssi_cache_hw_params(ssi, rate, channels, strm->sample_width, in rz_ssi_dai_hw_params()
987 ret = rz_ssi_swreset(ssi); in rz_ssi_dai_hw_params()
991 return rz_ssi_clk_setup(ssi, rate, channels); in rz_ssi_dai_hw_params()
1029 struct rz_ssi_priv *ssi = snd_soc_dai_get_drvdata(dai); in rz_ssi_pcm_pointer() local
1030 struct rz_ssi_stream *strm = rz_ssi_stream_get(ssi, substream); in rz_ssi_pcm_pointer()
1046 .name = "rz-ssi-dai",
1064 .name = "rz-ssi",
1074 struct rz_ssi_priv *ssi; in rz_ssi_probe() local
1079 ssi = devm_kzalloc(dev, sizeof(*ssi), GFP_KERNEL); in rz_ssi_probe()
1080 if (!ssi) in rz_ssi_probe()
1083 ssi->dev = dev; in rz_ssi_probe()
1084 ssi->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res); in rz_ssi_probe()
1085 if (IS_ERR(ssi->base)) in rz_ssi_probe()
1086 return PTR_ERR(ssi->base); in rz_ssi_probe()
1088 ssi->phys = res->start; in rz_ssi_probe()
1089 ssi->clk = devm_clk_get(dev, "ssi"); in rz_ssi_probe()
1090 if (IS_ERR(ssi->clk)) in rz_ssi_probe()
1091 return PTR_ERR(ssi->clk); in rz_ssi_probe()
1093 ssi->sfr_clk = devm_clk_get(dev, "ssi_sfr"); in rz_ssi_probe()
1094 if (IS_ERR(ssi->sfr_clk)) in rz_ssi_probe()
1095 return PTR_ERR(ssi->sfr_clk); in rz_ssi_probe()
1102 ssi->audio_clk_1 = clk_get_rate(audio_clk); in rz_ssi_probe()
1108 ssi->audio_clk_2 = clk_get_rate(audio_clk); in rz_ssi_probe()
1109 if (!(ssi->audio_clk_1 || ssi->audio_clk_2)) in rz_ssi_probe()
1113 ssi->audio_mck = ssi->audio_clk_1 ? ssi->audio_clk_1 : ssi->audio_clk_2; in rz_ssi_probe()
1116 ret = rz_ssi_dma_request(ssi, dev); in rz_ssi_probe()
1119 ssi->playback.transfer = rz_ssi_pio_send; in rz_ssi_probe()
1120 ssi->capture.transfer = rz_ssi_pio_recv; in rz_ssi_probe()
1123 ssi->playback.transfer = rz_ssi_dma_transfer; in rz_ssi_probe()
1124 ssi->capture.transfer = rz_ssi_dma_transfer; in rz_ssi_probe()
1127 ssi->playback.priv = ssi; in rz_ssi_probe()
1128 ssi->capture.priv = ssi; in rz_ssi_probe()
1130 spin_lock_init(&ssi->lock); in rz_ssi_probe()
1131 dev_set_drvdata(dev, ssi); in rz_ssi_probe()
1134 ssi->irq_int = platform_get_irq_byname(pdev, "int_req"); in rz_ssi_probe()
1135 if (ssi->irq_int < 0) { in rz_ssi_probe()
1136 ret = ssi->irq_int; in rz_ssi_probe()
1140 ret = devm_request_irq(dev, ssi->irq_int, &rz_ssi_interrupt, in rz_ssi_probe()
1141 0, dev_name(dev), ssi); in rz_ssi_probe()
1147 if (!rz_ssi_is_dma_enabled(ssi)) { in rz_ssi_probe()
1149 ssi->irq_tx = platform_get_irq_byname(pdev, "dma_tx"); in rz_ssi_probe()
1150 ssi->irq_rx = platform_get_irq_byname(pdev, "dma_rx"); in rz_ssi_probe()
1151 if (ssi->irq_tx == -ENXIO && ssi->irq_rx == -ENXIO) { in rz_ssi_probe()
1152 ssi->irq_rt = platform_get_irq_byname(pdev, "dma_rt"); in rz_ssi_probe()
1153 if (ssi->irq_rt < 0) in rz_ssi_probe()
1154 return ssi->irq_rt; in rz_ssi_probe()
1156 ret = devm_request_irq(dev, ssi->irq_rt, in rz_ssi_probe()
1158 dev_name(dev), ssi); in rz_ssi_probe()
1163 if (ssi->irq_tx < 0) in rz_ssi_probe()
1164 return ssi->irq_tx; in rz_ssi_probe()
1166 if (ssi->irq_rx < 0) in rz_ssi_probe()
1167 return ssi->irq_rx; in rz_ssi_probe()
1169 ret = devm_request_irq(dev, ssi->irq_tx, in rz_ssi_probe()
1171 dev_name(dev), ssi); in rz_ssi_probe()
1176 ret = devm_request_irq(dev, ssi->irq_rx, in rz_ssi_probe()
1178 dev_name(dev), ssi); in rz_ssi_probe()
1185 ssi->rstc = devm_reset_control_get_exclusive(dev, NULL); in rz_ssi_probe()
1186 if (IS_ERR(ssi->rstc)) { in rz_ssi_probe()
1187 ret = PTR_ERR(ssi->rstc); in rz_ssi_probe()
1211 rz_ssi_release_dma_channels(ssi); in rz_ssi_probe()
1218 struct rz_ssi_priv *ssi = dev_get_drvdata(&pdev->dev); in rz_ssi_remove() local
1220 rz_ssi_release_dma_channels(ssi); in rz_ssi_remove()
1222 reset_control_assert(ssi->rstc); in rz_ssi_remove()
1226 { .compatible = "renesas,rz-ssi", },
1233 struct rz_ssi_priv *ssi = dev_get_drvdata(dev); in rz_ssi_runtime_suspend() local
1235 return reset_control_assert(ssi->rstc); in rz_ssi_runtime_suspend()
1240 struct rz_ssi_priv *ssi = dev_get_drvdata(dev); in rz_ssi_runtime_resume() local
1242 return reset_control_deassert(ssi->rstc); in rz_ssi_runtime_resume()
1252 .name = "rz-ssi-pcm-audio",