Lines Matching +full:designware +full:- +full:i2s
2 * ALSA SoC Synopsys I2S Audio Layer
47 i2s_write_reg(dev->i2s_base, TER(i), 0); in i2s_disable_channels()
50 i2s_write_reg(dev->i2s_base, RER(i), 0); in i2s_disable_channels()
60 i2s_read_reg(dev->i2s_base, TOR(i)); in i2s_clear_irqs()
63 i2s_read_reg(dev->i2s_base, ROR(i)); in i2s_clear_irqs()
74 irq = i2s_read_reg(dev->i2s_base, IMR(i)); in i2s_disable_irqs()
75 i2s_write_reg(dev->i2s_base, IMR(i), irq | 0x30); in i2s_disable_irqs()
79 irq = i2s_read_reg(dev->i2s_base, IMR(i)); in i2s_disable_irqs()
80 i2s_write_reg(dev->i2s_base, IMR(i), irq | 0x03); in i2s_disable_irqs()
92 irq = i2s_read_reg(dev->i2s_base, IMR(i)); in i2s_enable_irqs()
93 i2s_write_reg(dev->i2s_base, IMR(i), irq & ~0x30); in i2s_enable_irqs()
97 irq = i2s_read_reg(dev->i2s_base, IMR(i)); in i2s_enable_irqs()
98 i2s_write_reg(dev->i2s_base, IMR(i), irq & ~0x03); in i2s_enable_irqs()
111 isr[i] = i2s_read_reg(dev->i2s_base, ISR(i)); in i2s_irq_handler()
121 if ((isr[i] & ISR_TXFE) && (i == 0) && dev->use_pio) { in i2s_irq_handler()
130 if ((isr[i] & ISR_RXDA) && (i == 0) && dev->use_pio) { in i2s_irq_handler()
137 dev_err_ratelimited(dev->dev, "TX overrun (ch_id=%d)\n", i); in i2s_irq_handler()
143 dev_err_ratelimited(dev->dev, "RX overrun (ch_id=%d)\n", i); in i2s_irq_handler()
156 u32 dma_reg = i2s_read_reg(dev->i2s_base, I2S_DMACR); in i2s_enable_dma()
164 i2s_write_reg(dev->i2s_base, I2S_DMACR, dma_reg); in i2s_enable_dma()
169 u32 dma_reg = i2s_read_reg(dev->i2s_base, I2S_DMACR); in i2s_disable_dma()
174 i2s_write_reg(dev->i2s_base, I2S_RTXDMA, 1); in i2s_disable_dma()
177 i2s_write_reg(dev->i2s_base, I2S_RRXDMA, 1); in i2s_disable_dma()
179 i2s_write_reg(dev->i2s_base, I2S_DMACR, dma_reg); in i2s_disable_dma()
185 struct i2s_clk_config_data *config = &dev->config; in i2s_start()
189 if (dev->tdm_slots) { in i2s_start()
190 reg |= (dev->tdm_slots - 1) << IER_TDM_SLOTS_SHIFT; in i2s_start()
192 reg |= dev->frame_offset << IER_FRAME_OFF_SHIFT; in i2s_start()
195 i2s_write_reg(dev->i2s_base, IER, reg); in i2s_start()
197 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) in i2s_start()
198 i2s_write_reg(dev->i2s_base, ITER, 1); in i2s_start()
200 i2s_write_reg(dev->i2s_base, IRER, 1); in i2s_start()
202 if (!(dev->use_pio || dev->is_jh7110)) in i2s_start()
203 i2s_enable_dma(dev, substream->stream); in i2s_start()
205 i2s_enable_irqs(dev, substream->stream, config->chan_nr); in i2s_start()
206 i2s_write_reg(dev->i2s_base, CER, 1); in i2s_start()
213 i2s_clear_irqs(dev, substream->stream); in i2s_stop()
214 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) in i2s_stop()
215 i2s_write_reg(dev->i2s_base, ITER, 0); in i2s_stop()
217 i2s_write_reg(dev->i2s_base, IRER, 0); in i2s_stop()
219 if (!(dev->use_pio || dev->is_jh7110)) in i2s_stop()
220 i2s_disable_dma(dev, substream->stream); in i2s_stop()
222 i2s_disable_irqs(dev, substream->stream, 8); in i2s_stop()
225 if (!dev->active) { in i2s_stop()
226 i2s_write_reg(dev->i2s_base, CER, 0); in i2s_stop()
227 i2s_write_reg(dev->i2s_base, IER, 0); in i2s_stop()
236 if (dev->is_jh7110) { in dw_i2s_startup()
238 struct snd_soc_dai_link *dai_link = rtd->dai_link; in dw_i2s_startup()
240 dai_link->trigger_stop = SND_SOC_TRIGGER_ORDER_LDC; in dw_i2s_startup()
249 struct i2s_clk_config_data *config = &dev->config; in dw_i2s_config()
254 for (ch_reg = 0; ch_reg < (config->chan_nr / 2); ch_reg++) { in dw_i2s_config()
256 i2s_write_reg(dev->i2s_base, TCR(ch_reg), in dw_i2s_config()
257 dev->xfer_resolution); in dw_i2s_config()
258 i2s_write_reg(dev->i2s_base, TFCR(ch_reg), in dw_i2s_config()
259 dev->fifo_th - 1); in dw_i2s_config()
260 i2s_write_reg(dev->i2s_base, TER(ch_reg), TER_TXCHEN | in dw_i2s_config()
261 dev->tdm_mask << TER_TXSLOT_SHIFT); in dw_i2s_config()
263 i2s_write_reg(dev->i2s_base, RCR(ch_reg), in dw_i2s_config()
264 dev->xfer_resolution); in dw_i2s_config()
265 i2s_write_reg(dev->i2s_base, RFCR(ch_reg), in dw_i2s_config()
266 dev->fifo_th - 1); in dw_i2s_config()
267 i2s_write_reg(dev->i2s_base, RER(ch_reg), RER_RXCHEN | in dw_i2s_config()
268 dev->tdm_mask << RER_RXSLOT_SHIFT); in dw_i2s_config()
278 struct i2s_clk_config_data *config = &dev->config; in dw_i2s_hw_params()
283 config->data_width = 16; in dw_i2s_hw_params()
284 dev->ccr = 0x00; in dw_i2s_hw_params()
285 dev->xfer_resolution = 0x02; in dw_i2s_hw_params()
289 config->data_width = 24; in dw_i2s_hw_params()
290 dev->ccr = 0x08; in dw_i2s_hw_params()
291 dev->xfer_resolution = 0x04; in dw_i2s_hw_params()
295 config->data_width = 32; in dw_i2s_hw_params()
296 dev->ccr = 0x10; in dw_i2s_hw_params()
297 dev->xfer_resolution = 0x05; in dw_i2s_hw_params()
301 dev_err(dev->dev, "designware-i2s: unsupported PCM fmt"); in dw_i2s_hw_params()
302 return -EINVAL; in dw_i2s_hw_params()
305 if (dev->tdm_slots) in dw_i2s_hw_params()
306 config->data_width = 32; in dw_i2s_hw_params()
308 config->chan_nr = params_channels(params); in dw_i2s_hw_params()
310 switch (config->chan_nr) { in dw_i2s_hw_params()
317 dev_err(dev->dev, "channel not supported\n"); in dw_i2s_hw_params()
318 return -EINVAL; in dw_i2s_hw_params()
321 dw_i2s_config(dev, substream->stream); in dw_i2s_hw_params()
323 i2s_write_reg(dev->i2s_base, CCR, dev->ccr); in dw_i2s_hw_params()
325 config->sample_rate = params_rate(params); in dw_i2s_hw_params()
327 if (dev->capability & DW_I2S_MASTER) { in dw_i2s_hw_params()
328 if (dev->i2s_clk_cfg) { in dw_i2s_hw_params()
329 ret = dev->i2s_clk_cfg(config); in dw_i2s_hw_params()
331 dev_err(dev->dev, "runtime audio clk config fail\n"); in dw_i2s_hw_params()
335 u32 bitclk = config->sample_rate * in dw_i2s_hw_params()
336 config->data_width * 2; in dw_i2s_hw_params()
338 ret = clk_set_rate(dev->clk, bitclk); in dw_i2s_hw_params()
340 dev_err(dev->dev, "Can't set I2S clock rate: %d\n", in dw_i2s_hw_params()
354 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) in dw_i2s_prepare()
355 i2s_write_reg(dev->i2s_base, TXFFR, 1); in dw_i2s_prepare()
357 i2s_write_reg(dev->i2s_base, RXFFR, 1); in dw_i2s_prepare()
372 dev->active++; in dw_i2s_trigger()
379 dev->active--; in dw_i2s_trigger()
383 ret = -EINVAL; in dw_i2s_trigger()
396 if (dev->capability & DW_I2S_SLAVE) in dw_i2s_set_fmt()
399 ret = -EINVAL; in dw_i2s_set_fmt()
402 if (dev->capability & DW_I2S_MASTER) in dw_i2s_set_fmt()
405 ret = -EINVAL; in dw_i2s_set_fmt()
409 ret = -EINVAL; in dw_i2s_set_fmt()
412 dev_dbg(dev->dev, "dwc : Invalid clock provider format\n"); in dw_i2s_set_fmt()
413 ret = -EINVAL; in dw_i2s_set_fmt()
423 dev->frame_offset = 1; in dw_i2s_set_fmt()
426 dev->frame_offset = 0; in dw_i2s_set_fmt()
429 dev_err(dev->dev, "DAI format unsupported"); in dw_i2s_set_fmt()
430 return -EINVAL; in dw_i2s_set_fmt()
442 return -EINVAL; in dw_i2s_set_tdm_slot()
445 return -EINVAL; in dw_i2s_set_tdm_slot()
448 return -EINVAL; in dw_i2s_set_tdm_slot()
451 return -EINVAL; in dw_i2s_set_tdm_slot()
453 dev->tdm_slots = slots; in dw_i2s_set_tdm_slot()
454 dev->tdm_mask = rx_mask; in dw_i2s_set_tdm_slot()
456 dev->l_reg = RSLOT_TSLOT(ffs(rx_mask) - 1); in dw_i2s_set_tdm_slot()
457 dev->r_reg = RSLOT_TSLOT(fls(rx_mask) - 1); in dw_i2s_set_tdm_slot()
466 snd_soc_dai_init_dma_data(dai, &dev->play_dma_data, &dev->capture_dma_data); in dw_i2s_dai_probe()
485 if (dw_dev->capability & DW_I2S_MASTER) in dw_i2s_runtime_suspend()
486 clk_disable(dw_dev->clk); in dw_i2s_runtime_suspend()
495 if (dw_dev->capability & DW_I2S_MASTER) { in dw_i2s_runtime_resume()
496 ret = clk_enable(dw_dev->clk); in dw_i2s_runtime_resume()
507 if (dev->capability & DW_I2S_MASTER) in dw_i2s_suspend()
508 clk_disable(dev->clk); in dw_i2s_suspend()
518 if (dev->capability & DW_I2S_MASTER) { in dw_i2s_resume()
519 ret = clk_enable(dev->clk); in dw_i2s_resume()
539 .name = "dw-i2s",
547 * defined in the I2S block's configuration in terms of sound system
549 * according to the number of configuration bits describing an I2S
553 /* Maximum bit resolution of a channel - not uniformly spaced */
584 * the I2S block's configuration. in dw_configure_dai()
586 u32 comp1 = i2s_read_reg(dev->i2s_base, dev->i2s_reg_comp1); in dw_configure_dai()
587 u32 comp2 = i2s_read_reg(dev->i2s_base, dev->i2s_reg_comp2); in dw_configure_dai()
591 if (dev->capability & DWC_I2S_RECORD && in dw_configure_dai()
592 dev->quirks & DW_I2S_QUIRK_COMP_PARAM1) in dw_configure_dai()
595 if (dev->capability & DWC_I2S_PLAY && in dw_configure_dai()
596 dev->quirks & DW_I2S_QUIRK_COMP_PARAM1) in dw_configure_dai()
600 dev_dbg(dev->dev, " designware: play supported\n"); in dw_configure_dai()
603 return -EINVAL; in dw_configure_dai()
604 if (dev->quirks & DW_I2S_QUIRK_16BIT_IDX_OVERRIDE) in dw_configure_dai()
606 dw_i2s_dai->playback.channels_min = MIN_CHANNEL_NUM; in dw_configure_dai()
607 dw_i2s_dai->playback.channels_max = in dw_configure_dai()
609 dw_i2s_dai->playback.formats = formats[idx]; in dw_configure_dai()
610 dw_i2s_dai->playback.rates = rates; in dw_configure_dai()
614 dev_dbg(dev->dev, "designware: record supported\n"); in dw_configure_dai()
617 return -EINVAL; in dw_configure_dai()
618 if (dev->quirks & DW_I2S_QUIRK_16BIT_IDX_OVERRIDE) in dw_configure_dai()
620 dw_i2s_dai->capture.channels_min = MIN_CHANNEL_NUM; in dw_configure_dai()
621 dw_i2s_dai->capture.channels_max = in dw_configure_dai()
623 dw_i2s_dai->capture.formats = formats[idx]; in dw_configure_dai()
624 dw_i2s_dai->capture.rates = rates; in dw_configure_dai()
628 dev_dbg(dev->dev, "designware: i2s master mode supported\n"); in dw_configure_dai()
629 dev->capability |= DW_I2S_MASTER; in dw_configure_dai()
631 dev_dbg(dev->dev, "designware: i2s slave mode supported\n"); in dw_configure_dai()
632 dev->capability |= DW_I2S_SLAVE; in dw_configure_dai()
635 dev->fifo_th = fifo_depth / 2; in dw_configure_dai()
644 u32 comp1 = i2s_read_reg(dev->i2s_base, dev->i2s_reg_comp1); in dw_configure_dai_by_pd()
649 return -EINVAL; in dw_configure_dai_by_pd()
651 ret = dw_configure_dai(dev, dw_i2s_dai, pdata->snd_rates); in dw_configure_dai_by_pd()
655 if (dev->quirks & DW_I2S_QUIRK_16BIT_IDX_OVERRIDE) in dw_configure_dai_by_pd()
658 if (dev->is_jh7110) { in dw_configure_dai_by_pd()
660 u32 comp2 = i2s_read_reg(dev->i2s_base, I2S_COMP_PARAM_2); in dw_configure_dai_by_pd()
665 dev->play_dma_data.dt.addr = res->start + I2S_TXDMA; in dw_configure_dai_by_pd()
666 dev->play_dma_data.dt.fifo_size = dev->fifo_th * 2 * in dw_configure_dai_by_pd()
668 dev->play_dma_data.dt.maxburst = 16; in dw_configure_dai_by_pd()
672 dev->capture_dma_data.dt.addr = res->start + I2S_RXDMA; in dw_configure_dai_by_pd()
673 dev->capture_dma_data.dt.fifo_size = dev->fifo_th * 2 * in dw_configure_dai_by_pd()
675 dev->capture_dma_data.dt.maxburst = 16; in dw_configure_dai_by_pd()
679 dev->play_dma_data.pd.data = pdata->play_dma_data; in dw_configure_dai_by_pd()
680 dev->capture_dma_data.pd.data = pdata->capture_dma_data; in dw_configure_dai_by_pd()
681 dev->play_dma_data.pd.addr = res->start + I2S_TXDMA; in dw_configure_dai_by_pd()
682 dev->capture_dma_data.pd.addr = res->start + I2S_RXDMA; in dw_configure_dai_by_pd()
683 dev->play_dma_data.pd.max_burst = 16; in dw_configure_dai_by_pd()
684 dev->capture_dma_data.pd.max_burst = 16; in dw_configure_dai_by_pd()
685 dev->play_dma_data.pd.addr_width = bus_widths[idx]; in dw_configure_dai_by_pd()
686 dev->capture_dma_data.pd.addr_width = bus_widths[idx]; in dw_configure_dai_by_pd()
687 dev->play_dma_data.pd.filter = pdata->filter; in dw_configure_dai_by_pd()
688 dev->capture_dma_data.pd.filter = pdata->filter; in dw_configure_dai_by_pd()
698 u32 comp1 = i2s_read_reg(dev->i2s_base, I2S_COMP_PARAM_1); in dw_configure_dai_by_dt()
699 u32 comp2 = i2s_read_reg(dev->i2s_base, I2S_COMP_PARAM_2); in dw_configure_dai_by_dt()
711 dev->capability |= DWC_I2S_PLAY; in dw_configure_dai_by_dt()
712 dev->play_dma_data.dt.addr = res->start + I2S_TXDMA; in dw_configure_dai_by_dt()
713 dev->play_dma_data.dt.fifo_size = fifo_depth * in dw_configure_dai_by_dt()
715 dev->play_dma_data.dt.maxburst = 16; in dw_configure_dai_by_dt()
720 dev->capability |= DWC_I2S_RECORD; in dw_configure_dai_by_dt()
721 dev->capture_dma_data.dt.addr = res->start + I2S_RXDMA; in dw_configure_dai_by_dt()
722 dev->capture_dma_data.dt.fifo_size = fifo_depth * in dw_configure_dai_by_dt()
724 dev->capture_dma_data.dt.maxburst = 16; in dw_configure_dai_by_dt()
742 struct reset_control *resets = devm_reset_control_array_get_exclusive(dev->dev); in jh7110_i2s_crg_master_init()
751 return dev_err_probe(dev->dev, PTR_ERR(resets), "failed to get i2s resets\n"); in jh7110_i2s_crg_master_init()
753 ret = clk_bulk_get(dev->dev, ARRAY_SIZE(clks), clks); in jh7110_i2s_crg_master_init()
755 return dev_err_probe(dev->dev, ret, "failed to get i2s clocks\n"); in jh7110_i2s_crg_master_init()
789 dev->is_jh7110 = true; in jh7110_i2s_crg_master_init()
816 struct reset_control *resets = devm_reset_control_array_get_exclusive(dev->dev); in jh7110_i2s_crg_slave_init()
829 return dev_err_probe(dev->dev, PTR_ERR(resets), "failed to get i2s resets\n"); in jh7110_i2s_crg_slave_init()
831 ret = clk_bulk_get(dev->dev, ARRAY_SIZE(clks), clks); in jh7110_i2s_crg_slave_init()
833 return dev_err_probe(dev->dev, ret, "failed to get i2s clocks\n"); in jh7110_i2s_crg_slave_init()
877 dev->is_jh7110 = true; in jh7110_i2s_crg_slave_init()
896 regmap = syscon_regmap_lookup_by_phandle_args(dev->dev->of_node, in jh7110_i2srx_crg_init()
900 return dev_err_probe(dev->dev, PTR_ERR(regmap), "getting the regmap failed\n"); in jh7110_i2srx_crg_init()
911 u32 bclk_rate = config->sample_rate * 64; in jh7110_i2stx0_clk_cfg()
913 return clk_set_rate(dev->clk, bclk_rate); in jh7110_i2stx0_clk_cfg()
919 const struct i2s_platform_data *pdata = pdev->dev.platform_data; in dw_i2s_probe()
926 dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL); in dw_i2s_probe()
928 return -ENOMEM; in dw_i2s_probe()
930 dw_i2s_dai = devm_kzalloc(&pdev->dev, sizeof(*dw_i2s_dai), GFP_KERNEL); in dw_i2s_probe()
932 return -ENOMEM; in dw_i2s_probe()
934 dw_i2s_dai->ops = &dw_i2s_dai_ops; in dw_i2s_probe()
936 dev->i2s_base = devm_platform_get_and_ioremap_resource(pdev, 0, &res); in dw_i2s_probe()
937 if (IS_ERR(dev->i2s_base)) in dw_i2s_probe()
938 return PTR_ERR(dev->i2s_base); in dw_i2s_probe()
940 dev->dev = &pdev->dev; in dw_i2s_probe()
941 dev->is_jh7110 = false; in dw_i2s_probe()
943 if (pdata->i2s_pd_init) { in dw_i2s_probe()
944 ret = pdata->i2s_pd_init(dev); in dw_i2s_probe()
950 if (!dev->is_jh7110) { in dw_i2s_probe()
951 dev->reset = devm_reset_control_array_get_optional_shared(&pdev->dev); in dw_i2s_probe()
952 if (IS_ERR(dev->reset)) in dw_i2s_probe()
953 return PTR_ERR(dev->reset); in dw_i2s_probe()
955 ret = reset_control_deassert(dev->reset); in dw_i2s_probe()
962 ret = devm_request_irq(&pdev->dev, irq, i2s_irq_handler, 0, in dw_i2s_probe()
963 pdev->name, dev); in dw_i2s_probe()
965 dev_err(&pdev->dev, "failed to request irq\n"); in dw_i2s_probe()
970 dev->i2s_reg_comp1 = I2S_COMP_PARAM_1; in dw_i2s_probe()
971 dev->i2s_reg_comp2 = I2S_COMP_PARAM_2; in dw_i2s_probe()
973 dev->capability = pdata->cap; in dw_i2s_probe()
975 dev->quirks = pdata->quirks; in dw_i2s_probe()
976 if (dev->quirks & DW_I2S_QUIRK_COMP_REG_OFFSET) { in dw_i2s_probe()
977 dev->i2s_reg_comp1 = pdata->i2s_reg_comp1; in dw_i2s_probe()
978 dev->i2s_reg_comp2 = pdata->i2s_reg_comp2; in dw_i2s_probe()
988 if (dev->capability & DW_I2S_MASTER) { in dw_i2s_probe()
990 dev->i2s_clk_cfg = pdata->i2s_clk_cfg; in dw_i2s_probe()
991 if (!dev->i2s_clk_cfg) { in dw_i2s_probe()
992 dev_err(&pdev->dev, "no clock configure method\n"); in dw_i2s_probe()
993 ret = -ENODEV; in dw_i2s_probe()
997 dev->clk = devm_clk_get_enabled(&pdev->dev, clk_id); in dw_i2s_probe()
999 if (IS_ERR(dev->clk)) { in dw_i2s_probe()
1000 ret = PTR_ERR(dev->clk); in dw_i2s_probe()
1005 dev_set_drvdata(&pdev->dev, dev); in dw_i2s_probe()
1006 ret = devm_snd_soc_register_component(&pdev->dev, &dw_i2s_component, in dw_i2s_probe()
1009 dev_err(&pdev->dev, "not able to register dai\n"); in dw_i2s_probe()
1013 if (!pdata || dev->is_jh7110) { in dw_i2s_probe()
1016 dev->use_pio = true; in dw_i2s_probe()
1017 dev->l_reg = LRBR_LTHR(0); in dw_i2s_probe()
1018 dev->r_reg = RRBR_RTHR(0); in dw_i2s_probe()
1020 ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, in dw_i2s_probe()
1022 dev->use_pio = false; in dw_i2s_probe()
1026 dev_err(&pdev->dev, "could not register pcm: %d\n", in dw_i2s_probe()
1032 pm_runtime_enable(&pdev->dev); in dw_i2s_probe()
1036 reset_control_assert(dev->reset); in dw_i2s_probe()
1042 struct dw_i2s_dev *dev = dev_get_drvdata(&pdev->dev); in dw_i2s_remove()
1044 reset_control_assert(dev->reset); in dw_i2s_remove()
1045 pm_runtime_disable(&pdev->dev); in dw_i2s_remove()
1075 { .compatible = "snps,designware-i2s", },
1076 { .compatible = "starfive,jh7110-i2stx0", .data = &jh7110_i2stx0_data, },
1077 { .compatible = "starfive,jh7110-i2stx1", .data = &jh7110_i2stx1_data,},
1078 { .compatible = "starfive,jh7110-i2srx", .data = &jh7110_i2srx_data,},
1093 .name = "designware-i2s",
1102 MODULE_DESCRIPTION("DESIGNWARE I2S SoC Interface");