48 	struct rk_i2s_dev *i2s = dev_get_drvdata(dev);  in i2s_runtime_suspend()  local
50 	clk_disable_unprepare(i2s->mclk);  in i2s_runtime_suspend()
57 	struct rk_i2s_dev *i2s = dev_get_drvdata(dev);  in i2s_runtime_resume()  local
60 	ret = clk_prepare_enable(i2s->mclk);  in i2s_runtime_resume()
62 		dev_err(i2s->dev, "clock enable failed %d\n", ret);  in i2s_runtime_resume()
74 static void rockchip_snd_txctrl(struct rk_i2s_dev *i2s, int on)  in rockchip_snd_txctrl()  argument
80 		regmap_update_bits(i2s->regmap, I2S_DMACR,  in rockchip_snd_txctrl()
83 		regmap_update_bits(i2s->regmap, I2S_XFER,  in rockchip_snd_txctrl()
87 		i2s->tx_start = true;  in rockchip_snd_txctrl()
89 		i2s->tx_start = false;  in rockchip_snd_txctrl()
91 		regmap_update_bits(i2s->regmap, I2S_DMACR,  in rockchip_snd_txctrl()
94 		if (!i2s->rx_start) {  in rockchip_snd_txctrl()
95 			regmap_update_bits(i2s->regmap, I2S_XFER,  in rockchip_snd_txctrl()
101 			regmap_update_bits(i2s->regmap, I2S_CLR,  in rockchip_snd_txctrl()
105 			regmap_read(i2s->regmap, I2S_CLR, &val);  in rockchip_snd_txctrl()
109 				regmap_read(i2s->regmap, I2S_CLR, &val);  in rockchip_snd_txctrl()
112 					dev_warn(i2s->dev, "fail to clear\n");  in rockchip_snd_txctrl()
120 static void rockchip_snd_rxctrl(struct rk_i2s_dev *i2s, int on)  in rockchip_snd_rxctrl()  argument
126 		regmap_update_bits(i2s->regmap, I2S_DMACR,  in rockchip_snd_rxctrl()
129 		regmap_update_bits(i2s->regmap, I2S_XFER,  in rockchip_snd_rxctrl()
133 		i2s->rx_start = true;  in rockchip_snd_rxctrl()
135 		i2s->rx_start = false;  in rockchip_snd_rxctrl()
137 		regmap_update_bits(i2s->regmap, I2S_DMACR,  in rockchip_snd_rxctrl()
140 		if (!i2s->tx_start) {  in rockchip_snd_rxctrl()
141 			regmap_update_bits(i2s->regmap, I2S_XFER,  in rockchip_snd_rxctrl()
147 			regmap_update_bits(i2s->regmap, I2S_CLR,  in rockchip_snd_rxctrl()
151 			regmap_read(i2s->regmap, I2S_CLR, &val);  in rockchip_snd_rxctrl()
155 				regmap_read(i2s->regmap, I2S_CLR, &val);  in rockchip_snd_rxctrl()
158 					dev_warn(i2s->dev, "fail to clear\n");  in rockchip_snd_rxctrl()
169 	struct rk_i2s_dev *i2s = to_info(cpu_dai);  in rockchip_i2s_set_fmt()  local
185 	regmap_update_bits(i2s->regmap, I2S_CKR, mask, val);  in rockchip_i2s_set_fmt()
202 	regmap_update_bits(i2s->regmap, I2S_TXCR, mask, val);  in rockchip_i2s_set_fmt()
219 	regmap_update_bits(i2s->regmap, I2S_RXCR, mask, val);  in rockchip_i2s_set_fmt()
228 	struct rk_i2s_dev *i2s = to_info(dai);  in rockchip_i2s_hw_params()  local
248 	regmap_update_bits(i2s->regmap, I2S_TXCR, I2S_TXCR_VDW_MASK, val);  in rockchip_i2s_hw_params()
249 	regmap_update_bits(i2s->regmap, I2S_RXCR, I2S_RXCR_VDW_MASK, val);  in rockchip_i2s_hw_params()
250 	regmap_update_bits(i2s->regmap, I2S_DMACR, I2S_DMACR_TDL_MASK,  in rockchip_i2s_hw_params()
252 	regmap_update_bits(i2s->regmap, I2S_DMACR, I2S_DMACR_RDL_MASK,  in rockchip_i2s_hw_params()
261 	struct rk_i2s_dev *i2s = to_info(dai);  in rockchip_i2s_trigger()  local
269 			rockchip_snd_rxctrl(i2s, 1);  in rockchip_i2s_trigger()
271 			rockchip_snd_txctrl(i2s, 1);  in rockchip_i2s_trigger()
277 			rockchip_snd_rxctrl(i2s, 0);  in rockchip_i2s_trigger()
279 			rockchip_snd_txctrl(i2s, 0);  in rockchip_i2s_trigger()
292 	struct rk_i2s_dev *i2s = to_info(cpu_dai);  in rockchip_i2s_set_sysclk()  local
295 	ret = clk_set_rate(i2s->mclk, freq);  in rockchip_i2s_set_sysclk()
297 		dev_err(i2s->dev, "Fail to set mclk %d\n", ret);  in rockchip_i2s_set_sysclk()
304 	struct rk_i2s_dev *i2s = snd_soc_dai_get_drvdata(dai);  in rockchip_i2s_dai_probe()  local
306 	dai->capture_dma_data = &i2s->capture_dma_data;  in rockchip_i2s_dai_probe()
307 	dai->playback_dma_data = &i2s->playback_dma_data;  in rockchip_i2s_dai_probe()
418 	struct rk_i2s_dev *i2s;  in rockchip_i2s_probe()  local
423 	i2s = devm_kzalloc(&pdev->dev, sizeof(*i2s), GFP_KERNEL);  in rockchip_i2s_probe()
424 	if (!i2s) {  in rockchip_i2s_probe()
430 	i2s->hclk = devm_clk_get(&pdev->dev, "i2s_hclk");  in rockchip_i2s_probe()
431 	if (IS_ERR(i2s->hclk)) {  in rockchip_i2s_probe()
433 		return PTR_ERR(i2s->hclk);  in rockchip_i2s_probe()
435 	ret = clk_prepare_enable(i2s->hclk);  in rockchip_i2s_probe()
437 		dev_err(i2s->dev, "hclock enable failed %d\n", ret);  in rockchip_i2s_probe()
441 	i2s->mclk = devm_clk_get(&pdev->dev, "i2s_clk");  in rockchip_i2s_probe()
442 	if (IS_ERR(i2s->mclk)) {  in rockchip_i2s_probe()
444 		return PTR_ERR(i2s->mclk);  in rockchip_i2s_probe()
452 	i2s->regmap = devm_regmap_init_mmio(&pdev->dev, regs,  in rockchip_i2s_probe()
454 	if (IS_ERR(i2s->regmap)) {  in rockchip_i2s_probe()
457 		return PTR_ERR(i2s->regmap);  in rockchip_i2s_probe()
460 	i2s->playback_dma_data.addr = res->start + I2S_TXDR;  in rockchip_i2s_probe()
461 	i2s->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;  in rockchip_i2s_probe()
462 	i2s->playback_dma_data.maxburst = 4;  in rockchip_i2s_probe()
464 	i2s->capture_dma_data.addr = res->start + I2S_RXDR;  in rockchip_i2s_probe()
465 	i2s->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;  in rockchip_i2s_probe()
466 	i2s->capture_dma_data.maxburst = 4;  in rockchip_i2s_probe()
468 	i2s->dev = &pdev->dev;  in rockchip_i2s_probe()
469 	dev_set_drvdata(&pdev->dev, i2s);  in rockchip_i2s_probe()
507 	struct rk_i2s_dev *i2s = dev_get_drvdata(&pdev->dev);  in rockchip_i2s_remove()  local
513 	clk_disable_unprepare(i2s->mclk);  in rockchip_i2s_remove()
514 	clk_disable_unprepare(i2s->hclk);  in rockchip_i2s_remove()