Lines Matching +full:rockchip +full:- +full:device
1 // SPDX-License-Identifier: GPL-2.0-only
2 /* sound/soc/rockchip/rockchip_i2s.c
4 * ALSA SoC Audio Layer - Rockchip I2S Controller driver
6 * Copyright (c) 2014 Rockchip Electronics Co. Ltd.
7 * Author: Jianqun <jay.xu@rock-chips.com>
24 #define DRV_NAME "rockchip-i2s"
32 struct device *dev;
66 if (!IS_ERR(i2s->pinctrl) && !IS_ERR_OR_NULL(i2s->bclk_on))
67 ret = pinctrl_select_state(i2s->pinctrl, i2s->bclk_on);
70 dev_err(i2s->dev, "bclk enable failed %d\n", ret);
80 if (!IS_ERR(i2s->pinctrl) && !IS_ERR_OR_NULL(i2s->bclk_off))
81 ret = pinctrl_select_state(i2s->pinctrl, i2s->bclk_off);
84 dev_err(i2s->dev, "bclk disable failed %d\n", ret);
89 static int i2s_runtime_suspend(struct device *dev)
93 regcache_cache_only(i2s->regmap, true);
94 clk_disable_unprepare(i2s->mclk);
99 static int i2s_runtime_resume(struct device *dev)
104 ret = clk_prepare_enable(i2s->mclk);
106 dev_err(i2s->dev, "clock enable failed %d\n", ret);
110 regcache_cache_only(i2s->regmap, false);
111 regcache_mark_dirty(i2s->regmap);
113 ret = regcache_sync(i2s->regmap);
115 clk_disable_unprepare(i2s->mclk);
130 spin_lock(&i2s->lock);
132 ret = regmap_update_bits(i2s->regmap, I2S_DMACR,
137 ret = regmap_update_bits(i2s->regmap, I2S_XFER,
142 i2s->tx_start = true;
144 i2s->tx_start = false;
146 ret = regmap_update_bits(i2s->regmap, I2S_DMACR,
152 if (!i2s->rx_start) {
153 ret = regmap_update_bits(i2s->regmap, I2S_XFER,
159 ret = regmap_update_bits(i2s->regmap, I2S_CLR,
164 ret = regmap_read_poll_timeout_atomic(i2s->regmap,
171 dev_warn(i2s->dev, "fail to clear: %d\n", ret);
175 spin_unlock(&i2s->lock);
177 dev_err(i2s->dev, "lrclk update failed\n");
187 spin_lock(&i2s->lock);
189 ret = regmap_update_bits(i2s->regmap, I2S_DMACR,
195 ret = regmap_update_bits(i2s->regmap, I2S_XFER,
200 i2s->rx_start = true;
202 i2s->rx_start = false;
204 ret = regmap_update_bits(i2s->regmap, I2S_DMACR,
210 if (!i2s->tx_start) {
211 ret = regmap_update_bits(i2s->regmap, I2S_XFER,
217 ret = regmap_update_bits(i2s->regmap, I2S_CLR,
222 ret = regmap_read_poll_timeout_atomic(i2s->regmap,
229 dev_warn(i2s->dev, "fail to clear: %d\n", ret);
233 spin_unlock(&i2s->lock);
235 dev_err(i2s->dev, "lrclk update failed\n");
247 pm_runtime_get_sync(cpu_dai->dev);
253 i2s->is_master_mode = true;
257 i2s->is_master_mode = false;
260 ret = -EINVAL;
264 regmap_update_bits(i2s->regmap, I2S_CKR, mask, val);
289 ret = -EINVAL;
293 regmap_update_bits(i2s->regmap, I2S_CKR, mask, val);
313 ret = -EINVAL;
317 regmap_update_bits(i2s->regmap, I2S_TXCR, mask, val);
337 ret = -EINVAL;
341 regmap_update_bits(i2s->regmap, I2S_RXCR, mask, val);
344 pm_runtime_put(cpu_dai->dev);
358 if (i2s->is_master_mode) {
359 mclk_rate = clk_get_rate(i2s->mclk);
360 bclk_rate = i2s->bclk_ratio * params_rate(params);
362 return -EINVAL;
366 regmap_update_bits(i2s->regmap, I2S_CKR,
370 regmap_update_bits(i2s->regmap, I2S_CKR,
394 return -EINVAL;
411 dev_err(i2s->dev, "invalid channel: %d\n",
413 return -EINVAL;
416 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
417 regmap_update_bits(i2s->regmap, I2S_RXCR,
421 regmap_update_bits(i2s->regmap, I2S_TXCR,
425 if (!IS_ERR(i2s->grf) && i2s->pins) {
426 regmap_read(i2s->regmap, I2S_TXCR, &val);
444 val <<= i2s->pins->shift;
445 val |= (I2S_IO_DIRECTION_MASK << i2s->pins->shift) << 16;
446 regmap_write(i2s->grf, i2s->pins->reg_offset, val);
449 regmap_update_bits(i2s->regmap, I2S_DMACR, I2S_DMACR_TDL_MASK,
451 regmap_update_bits(i2s->regmap, I2S_DMACR, I2S_DMACR_RDL_MASK,
455 if (dai->driver->symmetric_rate && rtd->dai_link->symmetric_rate)
458 regmap_update_bits(i2s->regmap, I2S_CKR,
474 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
485 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
486 if (!i2s->tx_start)
490 if (!i2s->rx_start)
496 ret = -EINVAL;
508 i2s->bclk_ratio = ratio;
522 ret = clk_set_rate(i2s->mclk, freq);
524 dev_err(i2s->dev, "Fail to set mclk %d\n", ret);
534 i2s->has_playback ? &i2s->playback_dma_data : NULL,
535 i2s->has_capture ? &i2s->capture_dma_data : NULL);
559 static bool rockchip_i2s_wr_reg(struct device *dev, unsigned int reg)
576 static bool rockchip_i2s_rd_reg(struct device *dev, unsigned int reg)
596 static bool rockchip_i2s_volatile_reg(struct device *dev, unsigned int reg)
610 static bool rockchip_i2s_precious_reg(struct device *dev, unsigned int reg)
648 { .compatible = "rockchip,px30-i2s", },
649 { .compatible = "rockchip,rk1808-i2s", },
650 { .compatible = "rockchip,rk3036-i2s", },
651 { .compatible = "rockchip,rk3066-i2s", },
652 { .compatible = "rockchip,rk3128-i2s", },
653 { .compatible = "rockchip,rk3188-i2s", },
654 { .compatible = "rockchip,rk3228-i2s", },
655 { .compatible = "rockchip,rk3288-i2s", },
656 { .compatible = "rockchip,rk3308-i2s", },
657 { .compatible = "rockchip,rk3328-i2s", },
658 { .compatible = "rockchip,rk3366-i2s", },
659 { .compatible = "rockchip,rk3368-i2s", },
660 { .compatible = "rockchip,rk3399-i2s", .data = &rk3399_i2s_pins },
661 { .compatible = "rockchip,rk3588-i2s", },
662 { .compatible = "rockchip,rv1126-i2s", },
669 struct device_node *node = i2s->dev->of_node;
675 of_property_for_each_string(node, "dma-names", dma_names, dma_name) {
677 i2s->has_playback = true;
679 i2s->has_capture = true;
682 dai = devm_kmemdup(i2s->dev, &rockchip_i2s_dai,
685 return -ENOMEM;
687 if (i2s->has_playback) {
688 dai->playback.stream_name = "Playback";
689 dai->playback.channels_min = 2;
690 dai->playback.channels_max = 8;
691 dai->playback.rates = SNDRV_PCM_RATE_8000_192000;
692 dai->playback.formats = SNDRV_PCM_FMTBIT_S8 |
698 i2s->playback_dma_data.addr = res->start + I2S_TXDR;
699 i2s->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
700 i2s->playback_dma_data.maxburst = 8;
702 if (!of_property_read_u32(node, "rockchip,playback-channels", &val)) {
704 dai->playback.channels_max = val;
708 if (i2s->has_capture) {
709 dai->capture.stream_name = "Capture";
710 dai->capture.channels_min = 2;
711 dai->capture.channels_max = 8;
712 dai->capture.rates = SNDRV_PCM_RATE_8000_192000;
713 dai->capture.formats = SNDRV_PCM_FMTBIT_S8 |
719 i2s->capture_dma_data.addr = res->start + I2S_RXDR;
720 i2s->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
721 i2s->capture_dma_data.maxburst = 8;
723 if (!of_property_read_u32(node, "rockchip,capture-channels", &val)) {
725 dai->capture.channels_max = val;
737 struct device_node *node = pdev->dev.of_node;
744 i2s = devm_kzalloc(&pdev->dev, sizeof(*i2s), GFP_KERNEL);
746 return -ENOMEM;
748 spin_lock_init(&i2s->lock);
749 i2s->dev = &pdev->dev;
751 i2s->grf = syscon_regmap_lookup_by_phandle(node, "rockchip,grf");
752 if (!IS_ERR(i2s->grf)) {
753 i2s->pins = device_get_match_data(&pdev->dev);
754 if (!i2s->pins)
755 return -EINVAL;
760 i2s->hclk = devm_clk_get(&pdev->dev, "i2s_hclk");
761 if (IS_ERR(i2s->hclk)) {
762 dev_err(&pdev->dev, "Can't retrieve i2s bus clock\n");
763 return PTR_ERR(i2s->hclk);
765 ret = clk_prepare_enable(i2s->hclk);
767 dev_err(i2s->dev, "hclock enable failed %d\n", ret);
771 i2s->mclk = devm_clk_get(&pdev->dev, "i2s_clk");
772 if (IS_ERR(i2s->mclk)) {
773 dev_err(&pdev->dev, "Can't retrieve i2s master clock\n");
774 ret = PTR_ERR(i2s->mclk);
784 i2s->regmap = devm_regmap_init_mmio(&pdev->dev, regs,
786 if (IS_ERR(i2s->regmap)) {
787 dev_err(&pdev->dev,
789 ret = PTR_ERR(i2s->regmap);
793 i2s->bclk_ratio = 64;
794 i2s->pinctrl = devm_pinctrl_get(&pdev->dev);
795 if (!IS_ERR(i2s->pinctrl)) {
796 i2s->bclk_on = pinctrl_lookup_state(i2s->pinctrl, "bclk_on");
797 if (!IS_ERR_OR_NULL(i2s->bclk_on)) {
798 i2s->bclk_off = pinctrl_lookup_state(i2s->pinctrl, "bclk_off");
799 if (IS_ERR_OR_NULL(i2s->bclk_off)) {
800 dev_err(&pdev->dev, "failed to find i2s bclk_off\n");
801 ret = -EINVAL;
806 dev_dbg(&pdev->dev, "failed to find i2s pinctrl\n");
811 dev_set_drvdata(&pdev->dev, i2s);
813 pm_runtime_enable(&pdev->dev);
814 if (!pm_runtime_enabled(&pdev->dev)) {
815 ret = i2s_runtime_resume(&pdev->dev);
824 ret = devm_snd_soc_register_component(&pdev->dev,
829 dev_err(&pdev->dev, "Could not register DAI\n");
833 ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0);
835 dev_err(&pdev->dev, "Could not register PCM\n");
842 if (!pm_runtime_status_suspended(&pdev->dev))
843 i2s_runtime_suspend(&pdev->dev);
845 pm_runtime_disable(&pdev->dev);
847 clk_disable_unprepare(i2s->hclk);
853 struct rk_i2s_dev *i2s = dev_get_drvdata(&pdev->dev);
855 pm_runtime_disable(&pdev->dev);
856 if (!pm_runtime_status_suspended(&pdev->dev))
857 i2s_runtime_suspend(&pdev->dev);
859 clk_disable_unprepare(i2s->hclk);
877 MODULE_DESCRIPTION("ROCKCHIP IIS ASoC Interface");
878 MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>");