Lines Matching +full:rk3066 +full:- +full:i2s
3 * ALSA SoC Audio Layer - Rockchip I2S Controller driver
6 * Author: Jianqun <jay.xu@rock-chips.com>
27 #define DRV_NAME "rockchip-i2s"
48 * I2S controller hopes to start the tx and rx together,
59 struct rk_i2s_dev *i2s = dev_get_drvdata(dev); in i2s_runtime_suspend() local
61 regcache_cache_only(i2s->regmap, true); in i2s_runtime_suspend()
62 clk_disable_unprepare(i2s->mclk); in i2s_runtime_suspend()
69 struct rk_i2s_dev *i2s = dev_get_drvdata(dev); in i2s_runtime_resume() local
72 ret = clk_prepare_enable(i2s->mclk); in i2s_runtime_resume()
74 dev_err(i2s->dev, "clock enable failed %d\n", ret); in i2s_runtime_resume()
78 regcache_cache_only(i2s->regmap, false); in i2s_runtime_resume()
79 regcache_mark_dirty(i2s->regmap); in i2s_runtime_resume()
81 ret = regcache_sync(i2s->regmap); in i2s_runtime_resume()
83 clk_disable_unprepare(i2s->mclk); in i2s_runtime_resume()
93 static void rockchip_snd_txctrl(struct rk_i2s_dev *i2s, int on) in rockchip_snd_txctrl() argument
99 regmap_update_bits(i2s->regmap, I2S_DMACR, in rockchip_snd_txctrl()
102 regmap_update_bits(i2s->regmap, I2S_XFER, in rockchip_snd_txctrl()
106 i2s->tx_start = true; in rockchip_snd_txctrl()
108 i2s->tx_start = false; in rockchip_snd_txctrl()
110 regmap_update_bits(i2s->regmap, I2S_DMACR, in rockchip_snd_txctrl()
113 if (!i2s->rx_start) { in rockchip_snd_txctrl()
114 regmap_update_bits(i2s->regmap, I2S_XFER, in rockchip_snd_txctrl()
121 regmap_update_bits(i2s->regmap, I2S_CLR, in rockchip_snd_txctrl()
125 regmap_read(i2s->regmap, I2S_CLR, &val); in rockchip_snd_txctrl()
129 regmap_read(i2s->regmap, I2S_CLR, &val); in rockchip_snd_txctrl()
130 retry--; in rockchip_snd_txctrl()
132 dev_warn(i2s->dev, "fail to clear\n"); in rockchip_snd_txctrl()
140 static void rockchip_snd_rxctrl(struct rk_i2s_dev *i2s, int on) in rockchip_snd_rxctrl() argument
146 regmap_update_bits(i2s->regmap, I2S_DMACR, in rockchip_snd_rxctrl()
149 regmap_update_bits(i2s->regmap, I2S_XFER, in rockchip_snd_rxctrl()
153 i2s->rx_start = true; in rockchip_snd_rxctrl()
155 i2s->rx_start = false; in rockchip_snd_rxctrl()
157 regmap_update_bits(i2s->regmap, I2S_DMACR, in rockchip_snd_rxctrl()
160 if (!i2s->tx_start) { in rockchip_snd_rxctrl()
161 regmap_update_bits(i2s->regmap, I2S_XFER, in rockchip_snd_rxctrl()
168 regmap_update_bits(i2s->regmap, I2S_CLR, in rockchip_snd_rxctrl()
172 regmap_read(i2s->regmap, I2S_CLR, &val); in rockchip_snd_rxctrl()
176 regmap_read(i2s->regmap, I2S_CLR, &val); in rockchip_snd_rxctrl()
177 retry--; in rockchip_snd_rxctrl()
179 dev_warn(i2s->dev, "fail to clear\n"); in rockchip_snd_rxctrl()
190 struct rk_i2s_dev *i2s = to_info(cpu_dai); in rockchip_i2s_set_fmt() local
198 i2s->is_master_mode = true; in rockchip_i2s_set_fmt()
202 i2s->is_master_mode = false; in rockchip_i2s_set_fmt()
205 return -EINVAL; in rockchip_i2s_set_fmt()
208 regmap_update_bits(i2s->regmap, I2S_CKR, mask, val); in rockchip_i2s_set_fmt()
219 return -EINVAL; in rockchip_i2s_set_fmt()
222 regmap_update_bits(i2s->regmap, I2S_CKR, mask, val); in rockchip_i2s_set_fmt()
242 return -EINVAL; in rockchip_i2s_set_fmt()
245 regmap_update_bits(i2s->regmap, I2S_TXCR, mask, val); in rockchip_i2s_set_fmt()
265 return -EINVAL; in rockchip_i2s_set_fmt()
268 regmap_update_bits(i2s->regmap, I2S_RXCR, mask, val); in rockchip_i2s_set_fmt()
277 struct rk_i2s_dev *i2s = to_info(dai); in rockchip_i2s_hw_params() local
278 struct snd_soc_pcm_runtime *rtd = substream->private_data; in rockchip_i2s_hw_params()
282 if (i2s->is_master_mode) { in rockchip_i2s_hw_params()
283 mclk_rate = clk_get_rate(i2s->mclk); in rockchip_i2s_hw_params()
286 return -EINVAL; in rockchip_i2s_hw_params()
290 regmap_update_bits(i2s->regmap, I2S_CKR, in rockchip_i2s_hw_params()
294 regmap_update_bits(i2s->regmap, I2S_CKR, in rockchip_i2s_hw_params()
318 return -EINVAL; in rockchip_i2s_hw_params()
335 dev_err(i2s->dev, "invalid channel: %d\n", in rockchip_i2s_hw_params()
337 return -EINVAL; in rockchip_i2s_hw_params()
340 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) in rockchip_i2s_hw_params()
341 regmap_update_bits(i2s->regmap, I2S_RXCR, in rockchip_i2s_hw_params()
345 regmap_update_bits(i2s->regmap, I2S_TXCR, in rockchip_i2s_hw_params()
349 if (!IS_ERR(i2s->grf) && i2s->pins) { in rockchip_i2s_hw_params()
350 regmap_read(i2s->regmap, I2S_TXCR, &val); in rockchip_i2s_hw_params()
368 val <<= i2s->pins->shift; in rockchip_i2s_hw_params()
369 val |= (I2S_IO_DIRECTION_MASK << i2s->pins->shift) << 16; in rockchip_i2s_hw_params()
370 regmap_write(i2s->grf, i2s->pins->reg_offset, val); in rockchip_i2s_hw_params()
373 regmap_update_bits(i2s->regmap, I2S_DMACR, I2S_DMACR_TDL_MASK, in rockchip_i2s_hw_params()
375 regmap_update_bits(i2s->regmap, I2S_DMACR, I2S_DMACR_RDL_MASK, in rockchip_i2s_hw_params()
379 if (dai->driver->symmetric_rates && rtd->dai_link->symmetric_rates) in rockchip_i2s_hw_params()
382 regmap_update_bits(i2s->regmap, I2S_CKR, in rockchip_i2s_hw_params()
391 struct rk_i2s_dev *i2s = to_info(dai); in rockchip_i2s_trigger() local
398 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) in rockchip_i2s_trigger()
399 rockchip_snd_rxctrl(i2s, 1); in rockchip_i2s_trigger()
401 rockchip_snd_txctrl(i2s, 1); in rockchip_i2s_trigger()
406 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) in rockchip_i2s_trigger()
407 rockchip_snd_rxctrl(i2s, 0); in rockchip_i2s_trigger()
409 rockchip_snd_txctrl(i2s, 0); in rockchip_i2s_trigger()
412 ret = -EINVAL; in rockchip_i2s_trigger()
422 struct rk_i2s_dev *i2s = to_info(cpu_dai); in rockchip_i2s_set_sysclk() local
425 ret = clk_set_rate(i2s->mclk, freq); in rockchip_i2s_set_sysclk()
427 dev_err(i2s->dev, "Fail to set mclk %d\n", ret); in rockchip_i2s_set_sysclk()
434 struct rk_i2s_dev *i2s = snd_soc_dai_get_drvdata(dai); in rockchip_i2s_dai_probe() local
436 dai->capture_dma_data = &i2s->capture_dma_data; in rockchip_i2s_dai_probe()
437 dai->playback_dma_data = &i2s->playback_dma_data; in rockchip_i2s_dai_probe()
570 { .compatible = "rockchip,rk3066-i2s", },
571 { .compatible = "rockchip,rk3188-i2s", },
572 { .compatible = "rockchip,rk3288-i2s", },
573 { .compatible = "rockchip,rk3399-i2s", .data = &rk3399_i2s_pins },
579 struct device_node *node = pdev->dev.of_node; in rockchip_i2s_probe()
581 struct rk_i2s_dev *i2s; in rockchip_i2s_probe() local
588 i2s = devm_kzalloc(&pdev->dev, sizeof(*i2s), GFP_KERNEL); in rockchip_i2s_probe()
589 if (!i2s) in rockchip_i2s_probe()
590 return -ENOMEM; in rockchip_i2s_probe()
592 i2s->dev = &pdev->dev; in rockchip_i2s_probe()
594 i2s->grf = syscon_regmap_lookup_by_phandle(node, "rockchip,grf"); in rockchip_i2s_probe()
595 if (!IS_ERR(i2s->grf)) { in rockchip_i2s_probe()
596 of_id = of_match_device(rockchip_i2s_match, &pdev->dev); in rockchip_i2s_probe()
597 if (!of_id || !of_id->data) in rockchip_i2s_probe()
598 return -EINVAL; in rockchip_i2s_probe()
600 i2s->pins = of_id->data; in rockchip_i2s_probe()
604 i2s->hclk = devm_clk_get(&pdev->dev, "i2s_hclk"); in rockchip_i2s_probe()
605 if (IS_ERR(i2s->hclk)) { in rockchip_i2s_probe()
606 dev_err(&pdev->dev, "Can't retrieve i2s bus clock\n"); in rockchip_i2s_probe()
607 return PTR_ERR(i2s->hclk); in rockchip_i2s_probe()
609 ret = clk_prepare_enable(i2s->hclk); in rockchip_i2s_probe()
611 dev_err(i2s->dev, "hclock enable failed %d\n", ret); in rockchip_i2s_probe()
615 i2s->mclk = devm_clk_get(&pdev->dev, "i2s_clk"); in rockchip_i2s_probe()
616 if (IS_ERR(i2s->mclk)) { in rockchip_i2s_probe()
617 dev_err(&pdev->dev, "Can't retrieve i2s master clock\n"); in rockchip_i2s_probe()
618 return PTR_ERR(i2s->mclk); in rockchip_i2s_probe()
622 regs = devm_ioremap_resource(&pdev->dev, res); in rockchip_i2s_probe()
626 i2s->regmap = devm_regmap_init_mmio(&pdev->dev, regs, in rockchip_i2s_probe()
628 if (IS_ERR(i2s->regmap)) { in rockchip_i2s_probe()
629 dev_err(&pdev->dev, in rockchip_i2s_probe()
631 return PTR_ERR(i2s->regmap); in rockchip_i2s_probe()
634 i2s->playback_dma_data.addr = res->start + I2S_TXDR; in rockchip_i2s_probe()
635 i2s->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; in rockchip_i2s_probe()
636 i2s->playback_dma_data.maxburst = 4; in rockchip_i2s_probe()
638 i2s->capture_dma_data.addr = res->start + I2S_RXDR; in rockchip_i2s_probe()
639 i2s->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; in rockchip_i2s_probe()
640 i2s->capture_dma_data.maxburst = 4; in rockchip_i2s_probe()
642 dev_set_drvdata(&pdev->dev, i2s); in rockchip_i2s_probe()
644 pm_runtime_enable(&pdev->dev); in rockchip_i2s_probe()
645 if (!pm_runtime_enabled(&pdev->dev)) { in rockchip_i2s_probe()
646 ret = i2s_runtime_resume(&pdev->dev); in rockchip_i2s_probe()
651 soc_dai = devm_kmemdup(&pdev->dev, &rockchip_i2s_dai, in rockchip_i2s_probe()
654 ret = -ENOMEM; in rockchip_i2s_probe()
658 if (!of_property_read_u32(node, "rockchip,playback-channels", &val)) { in rockchip_i2s_probe()
660 soc_dai->playback.channels_max = val; in rockchip_i2s_probe()
663 if (!of_property_read_u32(node, "rockchip,capture-channels", &val)) { in rockchip_i2s_probe()
665 soc_dai->capture.channels_max = val; in rockchip_i2s_probe()
668 ret = devm_snd_soc_register_component(&pdev->dev, in rockchip_i2s_probe()
673 dev_err(&pdev->dev, "Could not register DAI\n"); in rockchip_i2s_probe()
677 ret = rockchip_pcm_platform_register(&pdev->dev); in rockchip_i2s_probe()
679 dev_err(&pdev->dev, "Could not register PCM\n"); in rockchip_i2s_probe()
686 if (!pm_runtime_status_suspended(&pdev->dev)) in rockchip_i2s_probe()
687 i2s_runtime_suspend(&pdev->dev); in rockchip_i2s_probe()
689 pm_runtime_disable(&pdev->dev); in rockchip_i2s_probe()
696 struct rk_i2s_dev *i2s = dev_get_drvdata(&pdev->dev); in rockchip_i2s_remove() local
698 pm_runtime_disable(&pdev->dev); in rockchip_i2s_remove()
699 if (!pm_runtime_status_suspended(&pdev->dev)) in rockchip_i2s_remove()
700 i2s_runtime_suspend(&pdev->dev); in rockchip_i2s_remove()
702 clk_disable_unprepare(i2s->hclk); in rockchip_i2s_remove()
724 MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>");