Lines Matching refs:dev
39 static inline void i2s_disable_channels(struct dw_i2s_dev *dev, u32 stream) in i2s_disable_channels() argument
45 i2s_write_reg(dev->i2s_base, TER(i), 0); in i2s_disable_channels()
48 i2s_write_reg(dev->i2s_base, RER(i), 0); in i2s_disable_channels()
52 static inline void i2s_clear_irqs(struct dw_i2s_dev *dev, u32 stream) in i2s_clear_irqs() argument
58 i2s_read_reg(dev->i2s_base, TOR(i)); in i2s_clear_irqs()
61 i2s_read_reg(dev->i2s_base, ROR(i)); in i2s_clear_irqs()
65 static inline void i2s_disable_irqs(struct dw_i2s_dev *dev, u32 stream, in i2s_disable_irqs() argument
72 irq = i2s_read_reg(dev->i2s_base, IMR(i)); in i2s_disable_irqs()
73 i2s_write_reg(dev->i2s_base, IMR(i), irq | 0x30); in i2s_disable_irqs()
77 irq = i2s_read_reg(dev->i2s_base, IMR(i)); in i2s_disable_irqs()
78 i2s_write_reg(dev->i2s_base, IMR(i), irq | 0x03); in i2s_disable_irqs()
83 static inline void i2s_enable_irqs(struct dw_i2s_dev *dev, u32 stream, in i2s_enable_irqs() argument
90 irq = i2s_read_reg(dev->i2s_base, IMR(i)); in i2s_enable_irqs()
91 i2s_write_reg(dev->i2s_base, IMR(i), irq & ~0x30); in i2s_enable_irqs()
95 irq = i2s_read_reg(dev->i2s_base, IMR(i)); in i2s_enable_irqs()
96 i2s_write_reg(dev->i2s_base, IMR(i), irq & ~0x03); in i2s_enable_irqs()
103 struct dw_i2s_dev *dev = dev_id; in i2s_irq_handler() local
109 isr[i] = i2s_read_reg(dev->i2s_base, ISR(i)); in i2s_irq_handler()
111 i2s_clear_irqs(dev, SNDRV_PCM_STREAM_PLAYBACK); in i2s_irq_handler()
112 i2s_clear_irqs(dev, SNDRV_PCM_STREAM_CAPTURE); in i2s_irq_handler()
119 if ((isr[i] & ISR_TXFE) && (i == 0) && dev->use_pio) { in i2s_irq_handler()
120 dw_pcm_push_tx(dev); in i2s_irq_handler()
128 if ((isr[i] & ISR_RXDA) && (i == 0) && dev->use_pio) { in i2s_irq_handler()
129 dw_pcm_pop_rx(dev); in i2s_irq_handler()
135 dev_err(dev->dev, "TX overrun (ch_id=%d)\n", i); in i2s_irq_handler()
141 dev_err(dev->dev, "RX overrun (ch_id=%d)\n", i); in i2s_irq_handler()
152 static void i2s_start(struct dw_i2s_dev *dev, in i2s_start() argument
155 struct i2s_clk_config_data *config = &dev->config; in i2s_start()
157 i2s_write_reg(dev->i2s_base, IER, 1); in i2s_start()
158 i2s_enable_irqs(dev, substream->stream, config->chan_nr); in i2s_start()
161 i2s_write_reg(dev->i2s_base, ITER, 1); in i2s_start()
163 i2s_write_reg(dev->i2s_base, IRER, 1); in i2s_start()
165 i2s_write_reg(dev->i2s_base, CER, 1); in i2s_start()
168 static void i2s_stop(struct dw_i2s_dev *dev, in i2s_stop() argument
172 i2s_clear_irqs(dev, substream->stream); in i2s_stop()
174 i2s_write_reg(dev->i2s_base, ITER, 0); in i2s_stop()
176 i2s_write_reg(dev->i2s_base, IRER, 0); in i2s_stop()
178 i2s_disable_irqs(dev, substream->stream, 8); in i2s_stop()
180 if (!dev->active) { in i2s_stop()
181 i2s_write_reg(dev->i2s_base, CER, 0); in i2s_stop()
182 i2s_write_reg(dev->i2s_base, IER, 0); in i2s_stop()
189 struct dw_i2s_dev *dev = snd_soc_dai_get_drvdata(cpu_dai); in dw_i2s_startup() local
192 if (!(dev->capability & DWC_I2S_RECORD) && in dw_i2s_startup()
196 if (!(dev->capability & DWC_I2S_PLAY) && in dw_i2s_startup()
201 dma_data = &dev->play_dma_data; in dw_i2s_startup()
203 dma_data = &dev->capture_dma_data; in dw_i2s_startup()
210 static void dw_i2s_config(struct dw_i2s_dev *dev, int stream) in dw_i2s_config() argument
213 struct i2s_clk_config_data *config = &dev->config; in dw_i2s_config()
216 i2s_disable_channels(dev, stream); in dw_i2s_config()
220 i2s_write_reg(dev->i2s_base, TCR(ch_reg), in dw_i2s_config()
221 dev->xfer_resolution); in dw_i2s_config()
222 i2s_write_reg(dev->i2s_base, TFCR(ch_reg), in dw_i2s_config()
223 dev->fifo_th - 1); in dw_i2s_config()
224 i2s_write_reg(dev->i2s_base, TER(ch_reg), 1); in dw_i2s_config()
226 i2s_write_reg(dev->i2s_base, RCR(ch_reg), in dw_i2s_config()
227 dev->xfer_resolution); in dw_i2s_config()
228 i2s_write_reg(dev->i2s_base, RFCR(ch_reg), in dw_i2s_config()
229 dev->fifo_th - 1); in dw_i2s_config()
230 i2s_write_reg(dev->i2s_base, RER(ch_reg), 1); in dw_i2s_config()
239 struct dw_i2s_dev *dev = snd_soc_dai_get_drvdata(dai); in dw_i2s_hw_params() local
240 struct i2s_clk_config_data *config = &dev->config; in dw_i2s_hw_params()
246 dev->ccr = 0x00; in dw_i2s_hw_params()
247 dev->xfer_resolution = 0x02; in dw_i2s_hw_params()
252 dev->ccr = 0x08; in dw_i2s_hw_params()
253 dev->xfer_resolution = 0x04; in dw_i2s_hw_params()
258 dev->ccr = 0x10; in dw_i2s_hw_params()
259 dev->xfer_resolution = 0x05; in dw_i2s_hw_params()
263 dev_err(dev->dev, "designware-i2s: unsupported PCM fmt"); in dw_i2s_hw_params()
276 dev_err(dev->dev, "channel not supported\n"); in dw_i2s_hw_params()
280 dw_i2s_config(dev, substream->stream); in dw_i2s_hw_params()
282 i2s_write_reg(dev->i2s_base, CCR, dev->ccr); in dw_i2s_hw_params()
286 if (dev->capability & DW_I2S_MASTER) { in dw_i2s_hw_params()
287 if (dev->i2s_clk_cfg) { in dw_i2s_hw_params()
288 ret = dev->i2s_clk_cfg(config); in dw_i2s_hw_params()
290 dev_err(dev->dev, "runtime audio clk config fail\n"); in dw_i2s_hw_params()
297 ret = clk_set_rate(dev->clk, bitclk); in dw_i2s_hw_params()
299 dev_err(dev->dev, "Can't set I2S clock rate: %d\n", in dw_i2s_hw_params()
317 struct dw_i2s_dev *dev = snd_soc_dai_get_drvdata(dai); in dw_i2s_prepare() local
320 i2s_write_reg(dev->i2s_base, TXFFR, 1); in dw_i2s_prepare()
322 i2s_write_reg(dev->i2s_base, RXFFR, 1); in dw_i2s_prepare()
330 struct dw_i2s_dev *dev = snd_soc_dai_get_drvdata(dai); in dw_i2s_trigger() local
337 dev->active++; in dw_i2s_trigger()
338 i2s_start(dev, substream); in dw_i2s_trigger()
344 dev->active--; in dw_i2s_trigger()
345 i2s_stop(dev, substream); in dw_i2s_trigger()
356 struct dw_i2s_dev *dev = snd_soc_dai_get_drvdata(cpu_dai); in dw_i2s_set_fmt() local
361 if (dev->capability & DW_I2S_SLAVE) in dw_i2s_set_fmt()
367 if (dev->capability & DW_I2S_MASTER) in dw_i2s_set_fmt()
377 dev_dbg(dev->dev, "dwc : Invalid master/slave format\n"); in dw_i2s_set_fmt()
398 static int dw_i2s_runtime_suspend(struct device *dev) in dw_i2s_runtime_suspend() argument
400 struct dw_i2s_dev *dw_dev = dev_get_drvdata(dev); in dw_i2s_runtime_suspend()
407 static int dw_i2s_runtime_resume(struct device *dev) in dw_i2s_runtime_resume() argument
409 struct dw_i2s_dev *dw_dev = dev_get_drvdata(dev); in dw_i2s_runtime_resume()
418 struct dw_i2s_dev *dev = snd_soc_dai_get_drvdata(dai); in dw_i2s_suspend() local
420 if (dev->capability & DW_I2S_MASTER) in dw_i2s_suspend()
421 clk_disable(dev->clk); in dw_i2s_suspend()
427 struct dw_i2s_dev *dev = snd_soc_dai_get_drvdata(dai); in dw_i2s_resume() local
429 if (dev->capability & DW_I2S_MASTER) in dw_i2s_resume()
430 clk_enable(dev->clk); in dw_i2s_resume()
433 dw_i2s_config(dev, SNDRV_PCM_STREAM_PLAYBACK); in dw_i2s_resume()
435 dw_i2s_config(dev, SNDRV_PCM_STREAM_CAPTURE); in dw_i2s_resume()
477 static int dw_configure_dai(struct dw_i2s_dev *dev, in dw_configure_dai() argument
485 u32 comp1 = i2s_read_reg(dev->i2s_base, dev->i2s_reg_comp1); in dw_configure_dai()
486 u32 comp2 = i2s_read_reg(dev->i2s_base, dev->i2s_reg_comp2); in dw_configure_dai()
490 if (dev->capability & DWC_I2S_RECORD && in dw_configure_dai()
491 dev->quirks & DW_I2S_QUIRK_COMP_PARAM1) in dw_configure_dai()
495 dev_dbg(dev->dev, " designware: play supported\n"); in dw_configure_dai()
499 if (dev->quirks & DW_I2S_QUIRK_16BIT_IDX_OVERRIDE) in dw_configure_dai()
509 dev_dbg(dev->dev, "designware: record supported\n"); in dw_configure_dai()
513 if (dev->quirks & DW_I2S_QUIRK_16BIT_IDX_OVERRIDE) in dw_configure_dai()
523 dev_dbg(dev->dev, "designware: i2s master mode supported\n"); in dw_configure_dai()
524 dev->capability |= DW_I2S_MASTER; in dw_configure_dai()
526 dev_dbg(dev->dev, "designware: i2s slave mode supported\n"); in dw_configure_dai()
527 dev->capability |= DW_I2S_SLAVE; in dw_configure_dai()
530 dev->fifo_th = fifo_depth / 2; in dw_configure_dai()
534 static int dw_configure_dai_by_pd(struct dw_i2s_dev *dev, in dw_configure_dai_by_pd() argument
539 u32 comp1 = i2s_read_reg(dev->i2s_base, dev->i2s_reg_comp1); in dw_configure_dai_by_pd()
546 ret = dw_configure_dai(dev, dw_i2s_dai, pdata->snd_rates); in dw_configure_dai_by_pd()
550 if (dev->quirks & DW_I2S_QUIRK_16BIT_IDX_OVERRIDE) in dw_configure_dai_by_pd()
553 dev->play_dma_data.pd.data = pdata->play_dma_data; in dw_configure_dai_by_pd()
554 dev->capture_dma_data.pd.data = pdata->capture_dma_data; in dw_configure_dai_by_pd()
555 dev->play_dma_data.pd.addr = res->start + I2S_TXDMA; in dw_configure_dai_by_pd()
556 dev->capture_dma_data.pd.addr = res->start + I2S_RXDMA; in dw_configure_dai_by_pd()
557 dev->play_dma_data.pd.max_burst = 16; in dw_configure_dai_by_pd()
558 dev->capture_dma_data.pd.max_burst = 16; in dw_configure_dai_by_pd()
559 dev->play_dma_data.pd.addr_width = bus_widths[idx]; in dw_configure_dai_by_pd()
560 dev->capture_dma_data.pd.addr_width = bus_widths[idx]; in dw_configure_dai_by_pd()
561 dev->play_dma_data.pd.filter = pdata->filter; in dw_configure_dai_by_pd()
562 dev->capture_dma_data.pd.filter = pdata->filter; in dw_configure_dai_by_pd()
567 static int dw_configure_dai_by_dt(struct dw_i2s_dev *dev, in dw_configure_dai_by_dt() argument
571 u32 comp1 = i2s_read_reg(dev->i2s_base, I2S_COMP_PARAM_1); in dw_configure_dai_by_dt()
572 u32 comp2 = i2s_read_reg(dev->i2s_base, I2S_COMP_PARAM_2); in dw_configure_dai_by_dt()
581 ret = dw_configure_dai(dev, dw_i2s_dai, SNDRV_PCM_RATE_8000_192000); in dw_configure_dai_by_dt()
588 dev->capability |= DWC_I2S_PLAY; in dw_configure_dai_by_dt()
589 dev->play_dma_data.dt.addr = res->start + I2S_TXDMA; in dw_configure_dai_by_dt()
590 dev->play_dma_data.dt.addr_width = bus_widths[idx]; in dw_configure_dai_by_dt()
591 dev->play_dma_data.dt.fifo_size = fifo_depth * in dw_configure_dai_by_dt()
593 dev->play_dma_data.dt.maxburst = 16; in dw_configure_dai_by_dt()
598 dev->capability |= DWC_I2S_RECORD; in dw_configure_dai_by_dt()
599 dev->capture_dma_data.dt.addr = res->start + I2S_RXDMA; in dw_configure_dai_by_dt()
600 dev->capture_dma_data.dt.addr_width = bus_widths[idx]; in dw_configure_dai_by_dt()
601 dev->capture_dma_data.dt.fifo_size = fifo_depth * in dw_configure_dai_by_dt()
603 dev->capture_dma_data.dt.maxburst = 16; in dw_configure_dai_by_dt()
612 const struct i2s_platform_data *pdata = pdev->dev.platform_data; in dw_i2s_probe()
613 struct dw_i2s_dev *dev; in dw_i2s_probe() local
619 dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL); in dw_i2s_probe()
620 if (!dev) in dw_i2s_probe()
623 dw_i2s_dai = devm_kzalloc(&pdev->dev, sizeof(*dw_i2s_dai), GFP_KERNEL); in dw_i2s_probe()
632 dev->i2s_base = devm_ioremap_resource(&pdev->dev, res); in dw_i2s_probe()
633 if (IS_ERR(dev->i2s_base)) in dw_i2s_probe()
634 return PTR_ERR(dev->i2s_base); in dw_i2s_probe()
636 dev->dev = &pdev->dev; in dw_i2s_probe()
640 ret = devm_request_irq(&pdev->dev, irq, i2s_irq_handler, 0, in dw_i2s_probe()
641 pdev->name, dev); in dw_i2s_probe()
643 dev_err(&pdev->dev, "failed to request irq\n"); in dw_i2s_probe()
648 dev->i2s_reg_comp1 = I2S_COMP_PARAM_1; in dw_i2s_probe()
649 dev->i2s_reg_comp2 = I2S_COMP_PARAM_2; in dw_i2s_probe()
651 dev->capability = pdata->cap; in dw_i2s_probe()
653 dev->quirks = pdata->quirks; in dw_i2s_probe()
654 if (dev->quirks & DW_I2S_QUIRK_COMP_REG_OFFSET) { in dw_i2s_probe()
655 dev->i2s_reg_comp1 = pdata->i2s_reg_comp1; in dw_i2s_probe()
656 dev->i2s_reg_comp2 = pdata->i2s_reg_comp2; in dw_i2s_probe()
658 ret = dw_configure_dai_by_pd(dev, dw_i2s_dai, res, pdata); in dw_i2s_probe()
661 ret = dw_configure_dai_by_dt(dev, dw_i2s_dai, res); in dw_i2s_probe()
666 if (dev->capability & DW_I2S_MASTER) { in dw_i2s_probe()
668 dev->i2s_clk_cfg = pdata->i2s_clk_cfg; in dw_i2s_probe()
669 if (!dev->i2s_clk_cfg) { in dw_i2s_probe()
670 dev_err(&pdev->dev, "no clock configure method\n"); in dw_i2s_probe()
674 dev->clk = devm_clk_get(&pdev->dev, clk_id); in dw_i2s_probe()
676 if (IS_ERR(dev->clk)) in dw_i2s_probe()
677 return PTR_ERR(dev->clk); in dw_i2s_probe()
679 ret = clk_prepare_enable(dev->clk); in dw_i2s_probe()
684 dev_set_drvdata(&pdev->dev, dev); in dw_i2s_probe()
685 ret = devm_snd_soc_register_component(&pdev->dev, &dw_i2s_component, in dw_i2s_probe()
688 dev_err(&pdev->dev, "not able to register dai\n"); in dw_i2s_probe()
695 dev->use_pio = true; in dw_i2s_probe()
697 ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, in dw_i2s_probe()
699 dev->use_pio = false; in dw_i2s_probe()
703 dev_err(&pdev->dev, "could not register pcm: %d\n", in dw_i2s_probe()
709 pm_runtime_enable(&pdev->dev); in dw_i2s_probe()
713 if (dev->capability & DW_I2S_MASTER) in dw_i2s_probe()
714 clk_disable_unprepare(dev->clk); in dw_i2s_probe()
720 struct dw_i2s_dev *dev = dev_get_drvdata(&pdev->dev); in dw_i2s_remove() local
722 if (dev->capability & DW_I2S_MASTER) in dw_i2s_remove()
723 clk_disable_unprepare(dev->clk); in dw_i2s_remove()
725 pm_runtime_disable(&pdev->dev); in dw_i2s_remove()