[linux-2.6-block.git] / sound / soc / amd / yc / pci-acp6x.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * AMD Yellow Carp ACP PCI Driver
 *
 * Copyright 2021 Advanced Micro Devices, Inc.
 */

#include <linux/pci.h>
#include <linux/module.h>
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <sound/pcm_params.h>
#include <linux/pm_runtime.h>

#include "acp6x.h"

struct acp6x_dev_data {
	void __iomem *acp6x_base;
	struct resource *res;
	bool acp6x_audio_mode;
	struct platform_device *pdev[ACP6x_DEVS];
};

static int acp6x_power_on(void __iomem *acp_base)
{
	u32 val;
	int timeout;

	val = acp6x_readl(acp_base + ACP_PGFSM_STATUS);

	if (!val)
		return val;

	if ((val & ACP_PGFSM_STATUS_MASK) != ACP_POWER_ON_IN_PROGRESS)
		acp6x_writel(ACP_PGFSM_CNTL_POWER_ON_MASK, acp_base + ACP_PGFSM_CONTROL);
	timeout = 0;
	while (++timeout < 500) {
		val = acp6x_readl(acp_base + ACP_PGFSM_STATUS);
		if (!val)
			return 0;
		udelay(1);
	}
	return -ETIMEDOUT;
}

static int acp6x_reset(void __iomem *acp_base)
{
	u32 val;
	int timeout;

	acp6x_writel(1, acp_base + ACP_SOFT_RESET);
	timeout = 0;
	while (++timeout < 500) {
		val = acp6x_readl(acp_base + ACP_SOFT_RESET);
		if (val & ACP_SOFT_RESET_SOFTRESET_AUDDONE_MASK)
			break;
		cpu_relax();
	}
	acp6x_writel(0, acp_base + ACP_SOFT_RESET);
	timeout = 0;
	while (++timeout < 500) {
		val = acp6x_readl(acp_base + ACP_SOFT_RESET);
		if (!val)
			return 0;
		cpu_relax();
	}
	return -ETIMEDOUT;
}

static void acp6x_enable_interrupts(void __iomem *acp_base)
{
	acp6x_writel(0x01, acp_base + ACP_EXTERNAL_INTR_ENB);
}

static void acp6x_disable_interrupts(void __iomem *acp_base)
{
	acp6x_writel(ACP_EXT_INTR_STAT_CLEAR_MASK, acp_base +
		     ACP_EXTERNAL_INTR_STAT);
	acp6x_writel(0x00, acp_base + ACP_EXTERNAL_INTR_CNTL);
	acp6x_writel(0x00, acp_base + ACP_EXTERNAL_INTR_ENB);
}

static int acp6x_init(void __iomem *acp_base)
{
	int ret;

	/* power on */
	ret = acp6x_power_on(acp_base);
	if (ret) {
		pr_err("ACP power on failed\n");
		return ret;
	}
	acp6x_writel(0x01, acp_base + ACP_CONTROL);
	/* Reset */
	ret = acp6x_reset(acp_base);
	if (ret) {
		pr_err("ACP reset failed\n");
		return ret;
	}
	acp6x_writel(0x03, acp_base + ACP_CLKMUX_SEL);
	acp6x_enable_interrupts(acp_base);
	return 0;
}

static int acp6x_deinit(void __iomem *acp_base)
{
	int ret;

	acp6x_disable_interrupts(acp_base);
	/* Reset */
	ret = acp6x_reset(acp_base);
	if (ret) {
		pr_err("ACP reset failed\n");
		return ret;
	}
	acp6x_writel(0x00, acp_base + ACP_CLKMUX_SEL);
	acp6x_writel(0x00, acp_base + ACP_CONTROL);
	return 0;
}

static irqreturn_t acp6x_irq_handler(int irq, void *dev_id)
{
	struct acp6x_dev_data *adata;
	struct pdm_dev_data *yc_pdm_data;
	u32 val;

	adata = dev_id;
	if (!adata)
		return IRQ_NONE;

	val = acp6x_readl(adata->acp6x_base + ACP_EXTERNAL_INTR_STAT);
	if (val & BIT(PDM_DMA_STAT)) {
		yc_pdm_data = dev_get_drvdata(&adata->pdev[0]->dev);
		acp6x_writel(BIT(PDM_DMA_STAT), adata->acp6x_base + ACP_EXTERNAL_INTR_STAT);
		if (yc_pdm_data->capture_stream)
			snd_pcm_period_elapsed(yc_pdm_data->capture_stream);
		return IRQ_HANDLED;
	}
	return IRQ_NONE;
}

static int snd_acp6x_probe(struct pci_dev *pci,
			   const struct pci_device_id *pci_id)
{
	struct acp6x_dev_data *adata;
	struct platform_device_info pdevinfo[ACP6x_DEVS];
	int index = 0;
	int val = 0x00;
	u32 addr;
	unsigned int irqflags, flag;
	int ret;

	irqflags = IRQF_SHARED;

	/* Return if acp config flag is defined */
	flag = snd_amd_acp_find_config(pci);
	if (flag)
		return -ENODEV;

	/* Yellow Carp device check */
	switch (pci->revision) {
	case 0x60:
	case 0x63:
	case 0x6f:
		break;
	default:
		dev_dbg(&pci->dev, "acp6x pci device not found\n");
		return -ENODEV;
	}
	if (pci_enable_device(pci)) {
		dev_err(&pci->dev, "pci_enable_device failed\n");
		return -ENODEV;
	}

	ret = pci_request_regions(pci, "AMD ACP3x audio");
	if (ret < 0) {
		dev_err(&pci->dev, "pci_request_regions failed\n");
		goto disable_pci;
	}

	adata = devm_kzalloc(&pci->dev, sizeof(struct acp6x_dev_data),
			     GFP_KERNEL);
	if (!adata) {
		ret = -ENOMEM;
		goto release_regions;
	}

	addr = pci_resource_start(pci, 0);
	adata->acp6x_base = devm_ioremap(&pci->dev, addr,
					 pci_resource_len(pci, 0));
	if (!adata->acp6x_base) {
		ret = -ENOMEM;
		goto release_regions;
	}
	pci_set_master(pci);
	pci_set_drvdata(pci, adata);
	ret = acp6x_init(adata->acp6x_base);
	if (ret)
		goto release_regions;
	val = acp6x_readl(adata->acp6x_base + ACP_PIN_CONFIG);
	switch (val) {
	case ACP_CONFIG_0:
	case ACP_CONFIG_1:
	case ACP_CONFIG_2:
	case ACP_CONFIG_3:
	case ACP_CONFIG_9:
	case ACP_CONFIG_15:
		dev_info(&pci->dev, "Audio Mode %d\n", val);
		break;
	default:
		adata->res = devm_kzalloc(&pci->dev,
					  sizeof(struct resource),
					  GFP_KERNEL);
		if (!adata->res) {
			ret = -ENOMEM;
			goto de_init;
		}

		adata->res->name = "acp_iomem";
		adata->res->flags = IORESOURCE_MEM;
		adata->res->start = addr;
		adata->res->end = addr + (ACP6x_REG_END - ACP6x_REG_START);

		adata->acp6x_audio_mode = ACP6x_PDM_MODE;

		memset(&pdevinfo, 0, sizeof(pdevinfo));
		pdevinfo[0].name = "acp_yc_pdm_dma";
		pdevinfo[0].id = 0;
		pdevinfo[0].parent = &pci->dev;
		pdevinfo[0].num_res = 1;
		pdevinfo[0].res = adata->res;

		pdevinfo[1].name = "dmic-codec";
		pdevinfo[1].id = 0;
		pdevinfo[1].parent = &pci->dev;

		pdevinfo[2].name = "acp_yc_mach";
		pdevinfo[2].id = 0;
		pdevinfo[2].parent = &pci->dev;

		for (index = 0; index < ACP6x_DEVS; index++) {
			adata->pdev[index] =
				platform_device_register_full(&pdevinfo[index]);
			if (IS_ERR(adata->pdev[index])) {
				dev_err(&pci->dev, "cannot register %s device\n",
					pdevinfo[index].name);
				ret = PTR_ERR(adata->pdev[index]);
				goto unregister_devs;
			}
		}
		break;
	}
	ret = devm_request_irq(&pci->dev, pci->irq, acp6x_irq_handler,
			       irqflags, "ACP_PCI_IRQ", adata);
	if (ret) {
		dev_err(&pci->dev, "ACP PCI IRQ request failed\n");
		goto unregister_devs;
	}
	pm_runtime_set_autosuspend_delay(&pci->dev, ACP_SUSPEND_DELAY_MS);
	pm_runtime_use_autosuspend(&pci->dev);
	pm_runtime_put_noidle(&pci->dev);
	pm_runtime_allow(&pci->dev);

	return 0;
unregister_devs:
	for (--index; index >= 0; index--)
		platform_device_unregister(adata->pdev[index]);
de_init:
	if (acp6x_deinit(adata->acp6x_base))
		dev_err(&pci->dev, "ACP de-init failed\n");
release_regions:
	pci_release_regions(pci);
disable_pci:
	pci_disable_device(pci);

	return ret;
}

static int __maybe_unused snd_acp6x_suspend(struct device *dev)
{
	struct acp6x_dev_data *adata;
	int ret;

	adata = dev_get_drvdata(dev);
	ret = acp6x_deinit(adata->acp6x_base);
	if (ret)
		dev_err(dev, "ACP de-init failed\n");
	return ret;
}

static int __maybe_unused snd_acp6x_resume(struct device *dev)
{
	struct acp6x_dev_data *adata;
	int ret;

	adata = dev_get_drvdata(dev);
	ret = acp6x_init(adata->acp6x_base);
	if (ret)
		dev_err(dev, "ACP init failed\n");
	return ret;
}

static const struct dev_pm_ops acp6x_pm = {
	SET_RUNTIME_PM_OPS(snd_acp6x_suspend, snd_acp6x_resume, NULL)
	SET_SYSTEM_SLEEP_PM_OPS(snd_acp6x_suspend, snd_acp6x_resume)
};

static void snd_acp6x_remove(struct pci_dev *pci)
{
	struct acp6x_dev_data *adata;
	int ret, index;

	adata = pci_get_drvdata(pci);
	if (adata->acp6x_audio_mode == ACP6x_PDM_MODE) {
		for (index = 0; index < ACP6x_DEVS; index++)
			platform_device_unregister(adata->pdev[index]);
	}
	ret = acp6x_deinit(adata->acp6x_base);
	if (ret)
		dev_err(&pci->dev, "ACP de-init failed\n");
	pm_runtime_forbid(&pci->dev);
	pm_runtime_get_noresume(&pci->dev);
	pci_release_regions(pci);
	pci_disable_device(pci);
}

static const struct pci_device_id snd_acp6x_ids[] = {
	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_DEVICE_ID),
	.class = PCI_CLASS_MULTIMEDIA_OTHER << 8,
	.class_mask = 0xffffff },
	{ 0, },
};
MODULE_DEVICE_TABLE(pci, snd_acp6x_ids);

static struct pci_driver yc_acp6x_driver  = {
	.name = KBUILD_MODNAME,
	.id_table = snd_acp6x_ids,
	.probe = snd_acp6x_probe,
	.remove = snd_acp6x_remove,
	.driver = {
		.pm = &acp6x_pm,
	}
};

module_pci_driver(yc_acp6x_driver);

MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
MODULE_DESCRIPTION("AMD ACP Yellow Carp PCI driver");
MODULE_LICENSE("GPL v2");
Commit	Line	Data
c62442bd VM	1	// SPDX-License-Identifier: GPL-2.0+
	2	/*
	3	* AMD Yellow Carp ACP PCI Driver
	4	*
	5	* Copyright 2021 Advanced Micro Devices, Inc.
	6	*/
	7
	8	#include <linux/pci.h>
	9	#include <linux/module.h>
	10	#include <linux/io.h>
8c7161f2	11	#include <linux/delay.h>
fc329c1d	12	#include <linux/platform_device.h>
cc0deaa2 VM	13	#include <linux/interrupt.h>
cc0deaa2 VM	14	#include <sound/pcm_params.h>
c8212df7	15	#include <linux/pm_runtime.h>
c62442bd VM	16
	17	#include "acp6x.h"
	18
	19	struct acp6x_dev_data {
	20	void __iomem *acp6x_base;
fc329c1d VM	21	struct resource *res;
	22	bool acp6x_audio_mode;
	23	struct platform_device *pdev[ACP6x_DEVS];
c62442bd VM	24	};
c62442bd VM	25
8c7161f2 VM	26	static int acp6x_power_on(void __iomem *acp_base)
	27	{
	28	u32 val;
	29	int timeout;
	30
	31	val = acp6x_readl(acp_base + ACP_PGFSM_STATUS);
	32
	33	if (!val)
	34	return val;
	35
	36	if ((val & ACP_PGFSM_STATUS_MASK) != ACP_POWER_ON_IN_PROGRESS)
	37	acp6x_writel(ACP_PGFSM_CNTL_POWER_ON_MASK, acp_base + ACP_PGFSM_CONTROL);
	38	timeout = 0;
	39	while (++timeout < 500) {
	40	val = acp6x_readl(acp_base + ACP_PGFSM_STATUS);
	41	if (!val)
	42	return 0;
	43	udelay(1);
	44	}
	45	return -ETIMEDOUT;
	46	}
	47
	48	static int acp6x_reset(void __iomem *acp_base)
	49	{
	50	u32 val;
	51	int timeout;
	52
	53	acp6x_writel(1, acp_base + ACP_SOFT_RESET);
	54	timeout = 0;
	55	while (++timeout < 500) {
	56	val = acp6x_readl(acp_base + ACP_SOFT_RESET);
	57	if (val & ACP_SOFT_RESET_SOFTRESET_AUDDONE_MASK)
	58	break;
	59	cpu_relax();
	60	}
	61	acp6x_writel(0, acp_base + ACP_SOFT_RESET);
	62	timeout = 0;
	63	while (++timeout < 500) {
	64	val = acp6x_readl(acp_base + ACP_SOFT_RESET);
	65	if (!val)
	66	return 0;
	67	cpu_relax();
	68	}
	69	return -ETIMEDOUT;
	70	}
	71
	72	static void acp6x_enable_interrupts(void __iomem *acp_base)
	73	{
	74	acp6x_writel(0x01, acp_base + ACP_EXTERNAL_INTR_ENB);
	75	}
	76
	77	static void acp6x_disable_interrupts(void __iomem *acp_base)
	78	{
	79	acp6x_writel(ACP_EXT_INTR_STAT_CLEAR_MASK, acp_base +
	80	ACP_EXTERNAL_INTR_STAT);
	81	acp6x_writel(0x00, acp_base + ACP_EXTERNAL_INTR_CNTL);
	82	acp6x_writel(0x00, acp_base + ACP_EXTERNAL_INTR_ENB);
	83	}
	84
	85	static int acp6x_init(void __iomem *acp_base)
	86	{
	87	int ret;
	88
	89	/* power on */
90	ret = acp6x_power_on(acp_base);
91	if (ret) {
92	pr_err("ACP power on failed\n");
93	return ret;
94	}
95	acp6x_writel(0x01, acp_base + ACP_CONTROL);
96	/* Reset */
97	ret = acp6x_reset(acp_base);
98	if (ret) {
99	pr_err("ACP reset failed\n");
100	return ret;
101	}
102	acp6x_writel(0x03, acp_base + ACP_CLKMUX_SEL);
103	acp6x_enable_interrupts(acp_base);
104	return 0;
105	}
106
107	static int acp6x_deinit(void __iomem *acp_base)
108	{
109	int ret;
110
111	acp6x_disable_interrupts(acp_base);
112	/* Reset */
113	ret = acp6x_reset(acp_base);
114	if (ret) {
115	pr_err("ACP reset failed\n");
116	return ret;
117	}
118	acp6x_writel(0x00, acp_base + ACP_CLKMUX_SEL);
119	acp6x_writel(0x00, acp_base + ACP_CONTROL);
120	return 0;
121	}
122
cc0deaa2 VM	123	static irqreturn_t acp6x_irq_handler(int irq, void *dev_id)
	124	{
	125	struct acp6x_dev_data *adata;
	126	struct pdm_dev_data *yc_pdm_data;
	127	u32 val;
	128
	129	adata = dev_id;
	130	if (!adata)
	131	return IRQ_NONE;
	132
	133	val = acp6x_readl(adata->acp6x_base + ACP_EXTERNAL_INTR_STAT);
	134	if (val & BIT(PDM_DMA_STAT)) {
	135	yc_pdm_data = dev_get_drvdata(&adata->pdev[0]->dev);
	136	acp6x_writel(BIT(PDM_DMA_STAT), adata->acp6x_base + ACP_EXTERNAL_INTR_STAT);
	137	if (yc_pdm_data->capture_stream)
	138	snd_pcm_period_elapsed(yc_pdm_data->capture_stream);
	139	return IRQ_HANDLED;
	140	}
	141	return IRQ_NONE;
	142	}
	143
c62442bd VM	144	static int snd_acp6x_probe(struct pci_dev *pci,
	145	const struct pci_device_id *pci_id)
	146	{
	147	struct acp6x_dev_data *adata;
fc329c1d	148	struct platform_device_info pdevinfo[ACP6x_DEVS];
d5c137f4	149	int index = 0;
fc329c1d	150	int val = 0x00;
c62442bd	151	u32 addr;
bddcfb08	152	unsigned int irqflags, flag;
d5c137f4	153	int ret;
c62442bd	154
cc0deaa2	155	irqflags = IRQF_SHARED;
bddcfb08 SSK	156
	157	/* Return if acp config flag is defined */
	158	flag = snd_amd_acp_find_config(pci);
	159	if (flag)
	160	return -ENODEV;
	161
c62442bd	162	/* Yellow Carp device check */
b1630fcb VM	163	switch (pci->revision) {
b1630fcb VM	164	case 0x60:
316a7848	165	case 0x63:
b1630fcb VM	166	case 0x6f:
	167	break;
	168	default:
393a40b5	169	dev_dbg(&pci->dev, "acp6x pci device not found\n");
c62442bd	170	return -ENODEV;
b1630fcb	171	}
c62442bd VM	172	if (pci_enable_device(pci)) {
	173	dev_err(&pci->dev, "pci_enable_device failed\n");
	174	return -ENODEV;
	175	}
	176
	177	ret = pci_request_regions(pci, "AMD ACP3x audio");
	178	if (ret < 0) {
	179	dev_err(&pci->dev, "pci_request_regions failed\n");
	180	goto disable_pci;
	181	}
	182
	183	adata = devm_kzalloc(&pci->dev, sizeof(struct acp6x_dev_data),
	184	GFP_KERNEL);
	185	if (!adata) {
	186	ret = -ENOMEM;
	187	goto release_regions;
	188	}
	189
	190	addr = pci_resource_start(pci, 0);
	191	adata->acp6x_base = devm_ioremap(&pci->dev, addr,
	192	pci_resource_len(pci, 0));
	193	if (!adata->acp6x_base) {
	194	ret = -ENOMEM;
	195	goto release_regions;
	196	}
	197	pci_set_master(pci);
	198	pci_set_drvdata(pci, adata);
8c7161f2 VM	199	ret = acp6x_init(adata->acp6x_base);
	200	if (ret)
	201	goto release_regions;
fc329c1d VM	202	val = acp6x_readl(adata->acp6x_base + ACP_PIN_CONFIG);
	203	switch (val) {
	204	case ACP_CONFIG_0:
	205	case ACP_CONFIG_1:
	206	case ACP_CONFIG_2:
	207	case ACP_CONFIG_3:
	208	case ACP_CONFIG_9:
	209	case ACP_CONFIG_15:
	210	dev_info(&pci->dev, "Audio Mode %d\n", val);
	211	break;
	212	default:
	213	adata->res = devm_kzalloc(&pci->dev,
	214	sizeof(struct resource),
	215	GFP_KERNEL);
	216	if (!adata->res) {
	217	ret = -ENOMEM;
	218	goto de_init;
	219	}
	220
	221	adata->res->name = "acp_iomem";
	222	adata->res->flags = IORESOURCE_MEM;
	223	adata->res->start = addr;
	224	adata->res->end = addr + (ACP6x_REG_END - ACP6x_REG_START);
	225
	226	adata->acp6x_audio_mode = ACP6x_PDM_MODE;
	227
	228	memset(&pdevinfo, 0, sizeof(pdevinfo));
	229	pdevinfo[0].name = "acp_yc_pdm_dma";
	230	pdevinfo[0].id = 0;
	231	pdevinfo[0].parent = &pci->dev;
	232	pdevinfo[0].num_res = 1;
	233	pdevinfo[0].res = adata->res;
	234
	235	pdevinfo[1].name = "dmic-codec";
	236	pdevinfo[1].id = 0;
	237	pdevinfo[1].parent = &pci->dev;
8c7161f2	238
058dfdf3 VM	239	pdevinfo[2].name = "acp_yc_mach";
	240	pdevinfo[2].id = 0;
	241	pdevinfo[2].parent = &pci->dev;
	242
fc329c1d VM	243	for (index = 0; index < ACP6x_DEVS; index++) {
	244	adata->pdev[index] =
	245	platform_device_register_full(&pdevinfo[index]);
	246	if (IS_ERR(adata->pdev[index])) {
	247	dev_err(&pci->dev, "cannot register %s device\n",
	248	pdevinfo[index].name);
	249	ret = PTR_ERR(adata->pdev[index]);
	250	goto unregister_devs;
	251	}
	252	}
	253	break;
	254	}
cc0deaa2 VM	255	ret = devm_request_irq(&pci->dev, pci->irq, acp6x_irq_handler,
	256	irqflags, "ACP_PCI_IRQ", adata);
	257	if (ret) {
	258	dev_err(&pci->dev, "ACP PCI IRQ request failed\n");
	259	goto unregister_devs;
	260	}
c8212df7 VM	261	pm_runtime_set_autosuspend_delay(&pci->dev, ACP_SUSPEND_DELAY_MS);
	262	pm_runtime_use_autosuspend(&pci->dev);
	263	pm_runtime_put_noidle(&pci->dev);
	264	pm_runtime_allow(&pci->dev);
	265
c62442bd	266	return 0;
fc329c1d VM	267	unregister_devs:
	268	for (--index; index >= 0; index--)
	269	platform_device_unregister(adata->pdev[index]);
	270	de_init:
	271	if (acp6x_deinit(adata->acp6x_base))
	272	dev_err(&pci->dev, "ACP de-init failed\n");
c62442bd VM	273	release_regions:
	274	pci_release_regions(pci);
	275	disable_pci:
	276	pci_disable_device(pci);
	277
	278	return ret;
	279	}
	280
c8212df7 VM	281	static int __maybe_unused snd_acp6x_suspend(struct device *dev)
	282	{
	283	struct acp6x_dev_data *adata;
	284	int ret;
	285
	286	adata = dev_get_drvdata(dev);
	287	ret = acp6x_deinit(adata->acp6x_base);
	288	if (ret)
	289	dev_err(dev, "ACP de-init failed\n");
	290	return ret;
	291	}
	292
	293	static int __maybe_unused snd_acp6x_resume(struct device *dev)
	294	{
	295	struct acp6x_dev_data *adata;
	296	int ret;
	297
	298	adata = dev_get_drvdata(dev);
	299	ret = acp6x_init(adata->acp6x_base);
	300	if (ret)
	301	dev_err(dev, "ACP init failed\n");
	302	return ret;
	303	}
	304
	305	static const struct dev_pm_ops acp6x_pm = {
	306	SET_RUNTIME_PM_OPS(snd_acp6x_suspend, snd_acp6x_resume, NULL)
	307	SET_SYSTEM_SLEEP_PM_OPS(snd_acp6x_suspend, snd_acp6x_resume)
	308	};
	309
c62442bd VM	310	static void snd_acp6x_remove(struct pci_dev *pci)
c62442bd VM	311	{
8c7161f2	312	struct acp6x_dev_data *adata;
fc329c1d	313	int ret, index;
8c7161f2 VM	314
8c7161f2 VM	315	adata = pci_get_drvdata(pci);
fc329c1d VM	316	if (adata->acp6x_audio_mode == ACP6x_PDM_MODE) {
	317	for (index = 0; index < ACP6x_DEVS; index++)
	318	platform_device_unregister(adata->pdev[index]);
	319	}
8c7161f2 VM	320	ret = acp6x_deinit(adata->acp6x_base);
	321	if (ret)
	322	dev_err(&pci->dev, "ACP de-init failed\n");
c8212df7 VM	323	pm_runtime_forbid(&pci->dev);
c8212df7 VM	324	pm_runtime_get_noresume(&pci->dev);
c62442bd VM	325	pci_release_regions(pci);
	326	pci_disable_device(pci);
	327	}
	328
	329	static const struct pci_device_id snd_acp6x_ids[] = {
	330	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_DEVICE_ID),
	331	.class = PCI_CLASS_MULTIMEDIA_OTHER << 8,
	332	.class_mask = 0xffffff },
	333	{ 0, },
	334	};
	335	MODULE_DEVICE_TABLE(pci, snd_acp6x_ids);
	336
	337	static struct pci_driver yc_acp6x_driver = {
	338	.name = KBUILD_MODNAME,
	339	.id_table = snd_acp6x_ids,
	340	.probe = snd_acp6x_probe,
	341	.remove = snd_acp6x_remove,
c8212df7 VM	342	.driver = {
	343	.pm = &acp6x_pm,
	344	}
c62442bd VM	345	};
	346
	347	module_pci_driver(yc_acp6x_driver);
	348
	349	MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
	350	MODULE_DESCRIPTION("AMD ACP Yellow Carp PCI driver");
	351	MODULE_LICENSE("GPL v2");