1 // SPDX-License-Identifier: GPL-2.0-only
8  * (C) Copyright TOSHIBA CORPORATION 2004-2006
17 #include <asm/mach-tx39xx/ioremap.h> /* for TXX9_DIRECTMAP_BASE */
42 	return __raw_readl(drvdata->base + ACINTSTS) & ACINT_REGACCRDY;  in txx9aclc_regready()
45 /* AC97 controller reads codec register */
50 	void __iomem *base = drvdata->base;  in txx9aclc_ac97_read()
53 	if (!(__raw_readl(base + ACINTSTS) & ACINT_CODECRDY(ac97->num)))  in txx9aclc_ac97_read()
55 	reg |= ac97->num << 7;  in txx9aclc_ac97_read()
78 /* AC97 controller writes to codec register */
83 	void __iomem *base = drvdata->base;  in txx9aclc_ac97_write()
85 	__raw_writel(((reg | (ac97->num << 7)) << ACREGACC_REG_SHIFT) |  in txx9aclc_ac97_write()
99 	void __iomem *base = drvdata->base;  in txx9aclc_ac97_cold_reset()
100 	u32 ready = ACINT_CODECRDY(ac97->num) | ACINT_REGACCRDY;  in txx9aclc_ac97_cold_reset()
105 	/* wait for primary codec ready status */  in txx9aclc_ac97_cold_reset()
110 		dev_err(&ac97->dev, "primary codec is not ready "  in txx9aclc_ac97_cold_reset()
125 static irqreturn_t txx9aclc_ac97_irq(int irq, void *dev_id)  in txx9aclc_ac97_irq()  argument
128 	void __iomem *base = drvdata->base;  in txx9aclc_ac97_irq()
145 	/* disable AC-link */  in txx9aclc_ac97_remove()
146 	__raw_writel(ACCTL_ENLINK, drvdata->base + ACCTLDIS);  in txx9aclc_ac97_remove()
169 	.name		= "txx9aclc-ac97",
177 	int irq;  in txx9aclc_ac97_dev_probe()  local
179 	irq = platform_get_irq(pdev, 0);  in txx9aclc_ac97_dev_probe()
180 	if (irq < 0)  in txx9aclc_ac97_dev_probe()
181 		return irq;  in txx9aclc_ac97_dev_probe()
183 	drvdata = devm_kzalloc(&pdev->dev, sizeof(*drvdata), GFP_KERNEL);  in txx9aclc_ac97_dev_probe()
185 		return -ENOMEM;  in txx9aclc_ac97_dev_probe()
188 	drvdata->base = devm_ioremap_resource(&pdev->dev, r);  in txx9aclc_ac97_dev_probe()
189 	if (IS_ERR(drvdata->base))  in txx9aclc_ac97_dev_probe()
190 		return PTR_ERR(drvdata->base);  in txx9aclc_ac97_dev_probe()
193 	drvdata->physbase = r->start;  in txx9aclc_ac97_dev_probe()
194 	if (sizeof(drvdata->physbase) > sizeof(r->start) &&  in txx9aclc_ac97_dev_probe()
195 	    r->start >= TXX9_DIRECTMAP_BASE &&  in txx9aclc_ac97_dev_probe()
196 	    r->start < TXX9_DIRECTMAP_BASE + 0x400000)  in txx9aclc_ac97_dev_probe()
197 		drvdata->physbase |= 0xf00000000ull;  in txx9aclc_ac97_dev_probe()
198 	err = devm_request_irq(&pdev->dev, irq, txx9aclc_ac97_irq,  in txx9aclc_ac97_dev_probe()
199 			       0, dev_name(&pdev->dev), drvdata);  in txx9aclc_ac97_dev_probe()
207 	return devm_snd_soc_register_component(&pdev->dev, &txx9aclc_ac97_component,  in txx9aclc_ac97_dev_probe()
221 		.name	= "txx9aclc-ac97",
230 MODULE_ALIAS("platform:txx9aclc-ac97");