45 static void mmp_sspa_tx_enable(struct sspa_priv *sspa)  in mmp_sspa_tx_enable()  argument
47 	unsigned int sspa_sp = sspa->sp;  in mmp_sspa_tx_enable()
52 	__raw_writel(sspa_sp, sspa->tx_base + SSPA_SP);  in mmp_sspa_tx_enable()
55 static void mmp_sspa_tx_disable(struct sspa_priv *sspa)  in mmp_sspa_tx_disable()  argument
57 	unsigned int sspa_sp = sspa->sp;  in mmp_sspa_tx_disable()
62 	__raw_writel(sspa_sp, sspa->tx_base + SSPA_SP);  in mmp_sspa_tx_disable()
65 static void mmp_sspa_rx_enable(struct sspa_priv *sspa)  in mmp_sspa_rx_enable()  argument
67 	unsigned int sspa_sp = sspa->sp;  in mmp_sspa_rx_enable()
71 	__raw_writel(sspa_sp, sspa->rx_base + SSPA_SP);  in mmp_sspa_rx_enable()
74 static void mmp_sspa_rx_disable(struct sspa_priv *sspa)  in mmp_sspa_rx_disable()  argument
76 	unsigned int sspa_sp = sspa->sp;  in mmp_sspa_rx_disable()
80 	__raw_writel(sspa_sp, sspa->rx_base + SSPA_SP);  in mmp_sspa_rx_disable()
86 	struct sspa_priv *sspa = snd_soc_dai_get_drvdata(dai);  in mmp_sspa_startup()  local
88 	clk_prepare_enable(sspa->sysclk);  in mmp_sspa_startup()
89 	clk_prepare_enable(sspa->clk);  in mmp_sspa_startup()
97 	struct sspa_priv *sspa = snd_soc_dai_get_drvdata(dai);  in mmp_sspa_shutdown()  local
99 	clk_disable_unprepare(sspa->clk);  in mmp_sspa_shutdown()
100 	clk_disable_unprepare(sspa->sysclk);  in mmp_sspa_shutdown()
109 	struct sspa_priv *sspa = snd_soc_dai_get_drvdata(cpu_dai);  in mmp_sspa_set_dai_sysclk()  local
118 		ret = clk_set_rate(sspa->audio_clk, freq);  in mmp_sspa_set_dai_sysclk()
137 	struct sspa_priv *sspa = snd_soc_dai_get_drvdata(cpu_dai);  in mmp_sspa_set_dai_pll()  local
146 		ret = clk_set_rate(sspa->sysclk, freq_out);  in mmp_sspa_set_dai_pll()
151 		ret = clk_set_rate(sspa->clk, freq_out);  in mmp_sspa_set_dai_pll()
168 	struct sspa_priv *sspa = snd_soc_dai_get_drvdata(cpu_dai);  in mmp_sspa_set_dai_fmt()  local
171 	sspa->sp   = SSPA_SP_WEN | SSPA_SP_S_RST | SSPA_SP_FFLUSH;  in mmp_sspa_set_dai_fmt()
172 	sspa->ctrl = 0;  in mmp_sspa_set_dai_fmt()
176 		sspa->sp |= SSPA_SP_MSL;  in mmp_sspa_set_dai_fmt()
186 		sspa->sp |= SSPA_SP_FSP;  in mmp_sspa_set_dai_fmt()
194 		sspa->ctrl |= SSPA_CTL_XDATDLY(1);  in mmp_sspa_set_dai_fmt()
215 	struct sspa_priv *sspa = snd_soc_dai_get_drvdata(dai);  in mmp_sspa_hw_params()  local
217 	u32 sspa_ctrl = sspa->ctrl;  in mmp_sspa_hw_params()
258 	sspa->sp &= ~SSPA_SP_FWID_MASK;  in mmp_sspa_hw_params()
259 	sspa->sp |= SSPA_SP_FWID(bits - 1);  in mmp_sspa_hw_params()
261 	sspa->sp &= ~SSPA_TXSP_FPER_MASK;  in mmp_sspa_hw_params()
262 	sspa->sp |= SSPA_TXSP_FPER(bits * 2 - 1);  in mmp_sspa_hw_params()
265 		clk_set_rate(sspa->clk, params_rate(params) *  in mmp_sspa_hw_params()
270 		__raw_writel(sspa_ctrl, sspa->tx_base + SSPA_CTL);  in mmp_sspa_hw_params()
271 		__raw_writel(0x1, sspa->tx_base + SSPA_FIFO_UL);  in mmp_sspa_hw_params()
273 		__raw_writel(sspa_ctrl, sspa->rx_base + SSPA_CTL);  in mmp_sspa_hw_params()
274 		__raw_writel(0x0, sspa->rx_base + SSPA_FIFO_UL);  in mmp_sspa_hw_params()
283 	struct sspa_priv *sspa = snd_soc_dai_get_drvdata(dai);  in mmp_sspa_trigger()  local
296 		if (!sspa->running_cnt)  in mmp_sspa_trigger()
297 			mmp_sspa_rx_enable(sspa);  in mmp_sspa_trigger()
300 			mmp_sspa_tx_enable(sspa);  in mmp_sspa_trigger()
302 		sspa->running_cnt++;  in mmp_sspa_trigger()
308 		sspa->running_cnt--;  in mmp_sspa_trigger()
311 			mmp_sspa_tx_disable(sspa);  in mmp_sspa_trigger()
314 		if (!sspa->running_cnt)  in mmp_sspa_trigger()
315 			mmp_sspa_rx_disable(sspa);  in mmp_sspa_trigger()
327 	struct sspa_priv *sspa = dev_get_drvdata(dai->dev);  in mmp_sspa_probe()  local
330 				&sspa->playback_dma_data,  in mmp_sspa_probe()
331 				&sspa->capture_dma_data);  in mmp_sspa_probe()
417 	struct sspa_priv *sspa = snd_soc_component_get_drvdata(component);  in mmp_sspa_open()  local
422 	if ((__raw_readl(sspa->tx_base + SSPA_SP) & SSPA_SP_S_EN) ||  in mmp_sspa_open()
423 	    (__raw_readl(sspa->rx_base + SSPA_SP) & SSPA_SP_S_EN)) {  in mmp_sspa_open()
429 	__raw_writel(sspa->sp, sspa->tx_base + SSPA_SP);  in mmp_sspa_open()
430 	__raw_writel(sspa->sp, sspa->rx_base + SSPA_SP);  in mmp_sspa_open()
432 	sspa->sp &= ~(SSPA_SP_S_RST | SSPA_SP_FFLUSH);  in mmp_sspa_open()
433 	__raw_writel(sspa->sp, sspa->tx_base + SSPA_SP);  in mmp_sspa_open()
434 	__raw_writel(sspa->sp, sspa->rx_base + SSPA_SP);  in mmp_sspa_open()
443 	__raw_writel(sspa->sp & ~SSPA_SP_MSL, sspa->tx_base + SSPA_SP);  in mmp_sspa_open()
445 	__raw_writel(sspa->ctrl, sspa->tx_base + SSPA_CTL);  in mmp_sspa_open()
446 	__raw_writel(sspa->ctrl, sspa->rx_base + SSPA_CTL);  in mmp_sspa_open()
468 	struct sspa_priv *sspa;  in asoc_mmp_sspa_probe()  local
471 	sspa = devm_kzalloc(&pdev->dev,  in asoc_mmp_sspa_probe()
473 	if (!sspa)  in asoc_mmp_sspa_probe()
477 		sspa->rx_base = devm_platform_ioremap_resource(pdev, 0);  in asoc_mmp_sspa_probe()
478 		if (IS_ERR(sspa->rx_base))  in asoc_mmp_sspa_probe()
479 			return PTR_ERR(sspa->rx_base);  in asoc_mmp_sspa_probe()
481 		sspa->tx_base = devm_platform_ioremap_resource(pdev, 1);  in asoc_mmp_sspa_probe()
482 		if (IS_ERR(sspa->tx_base))  in asoc_mmp_sspa_probe()
483 			return PTR_ERR(sspa->tx_base);  in asoc_mmp_sspa_probe()
485 		sspa->clk = devm_clk_get(&pdev->dev, "bitclk");  in asoc_mmp_sspa_probe()
486 		if (IS_ERR(sspa->clk))  in asoc_mmp_sspa_probe()
487 			return PTR_ERR(sspa->clk);  in asoc_mmp_sspa_probe()
489 		sspa->audio_clk = devm_clk_get(&pdev->dev, "audio");  in asoc_mmp_sspa_probe()
490 		if (IS_ERR(sspa->audio_clk))  in asoc_mmp_sspa_probe()
491 			return PTR_ERR(sspa->audio_clk);  in asoc_mmp_sspa_probe()
499 		sspa->rx_base = devm_ioremap(&pdev->dev, res->start, 0x30);  in asoc_mmp_sspa_probe()
500 		if (!sspa->rx_base)  in asoc_mmp_sspa_probe()
503 		sspa->tx_base = devm_ioremap(&pdev->dev,  in asoc_mmp_sspa_probe()
505 		if (!sspa->tx_base)  in asoc_mmp_sspa_probe()
508 		sspa->clk = devm_clk_get(&pdev->dev, NULL);  in asoc_mmp_sspa_probe()
509 		if (IS_ERR(sspa->clk))  in asoc_mmp_sspa_probe()
510 			return PTR_ERR(sspa->clk);  in asoc_mmp_sspa_probe()
512 		sspa->audio_clk = clk_get(NULL, "mmp-audio");  in asoc_mmp_sspa_probe()
513 		if (IS_ERR(sspa->audio_clk))  in asoc_mmp_sspa_probe()
514 			return PTR_ERR(sspa->audio_clk);  in asoc_mmp_sspa_probe()
516 		sspa->sysclk = clk_get(NULL, "mmp-sysclk");  in asoc_mmp_sspa_probe()
517 		if (IS_ERR(sspa->sysclk)) {  in asoc_mmp_sspa_probe()
518 			clk_put(sspa->audio_clk);  in asoc_mmp_sspa_probe()
519 			return PTR_ERR(sspa->sysclk);  in asoc_mmp_sspa_probe()
522 	platform_set_drvdata(pdev, sspa);  in asoc_mmp_sspa_probe()
524 	sspa->playback_dma_data.maxburst = 4;  in asoc_mmp_sspa_probe()
525 	sspa->capture_dma_data.maxburst = 4;  in asoc_mmp_sspa_probe()
527 	sspa->capture_dma_data.addr = SSPA_D;  in asoc_mmp_sspa_probe()
528 	sspa->playback_dma_data.addr = 0x80 + SSPA_D;  in asoc_mmp_sspa_probe()
543 	clk_prepare_enable(sspa->audio_clk);  in asoc_mmp_sspa_probe()
550 	struct sspa_priv *sspa = platform_get_drvdata(pdev);  in asoc_mmp_sspa_remove()  local
552 	clk_disable_unprepare(sspa->audio_clk);  in asoc_mmp_sspa_remove()
558 	clk_put(sspa->audio_clk);  in asoc_mmp_sspa_remove()
559 	clk_put(sspa->sysclk);  in asoc_mmp_sspa_remove()