// SPDX-License-Identifier: GPL-2.0-only
/*
* AMD Pink Sardine ACP PCI Driver
*
* Copyright 2022 Advanced Micro Devices, Inc.
*/
#include <linux/pci.h>
#include <linux/bitops.h>
#include <linux/module.h>
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/acpi.h>
#include <linux/interrupt.h>
#include <sound/pcm_params.h>
#include <linux/pm_runtime.h>
#include <linux/iopoll.h>
#include <linux/soundwire/sdw_amd.h>
#include "../mach-config.h"
#include "acp63.h"
static int acp63_power_on(void __iomem *acp_base)
{
u32 val;
val = readl(acp_base + ACP_PGFSM_STATUS);
if (!val)
return val;
if ((val & ACP_PGFSM_STATUS_MASK) != ACP_POWER_ON_IN_PROGRESS)
writel(ACP_PGFSM_CNTL_POWER_ON_MASK, acp_base + ACP_PGFSM_CONTROL);
return readl_poll_timeout(acp_base + ACP_PGFSM_STATUS, val, !val, DELAY_US, ACP_TIMEOUT);
}
static int acp63_reset(void __iomem *acp_base)
{
u32 val;
int ret;
writel(1, acp_base + ACP_SOFT_RESET);
ret = readl_poll_timeout(acp_base + ACP_SOFT_RESET, val,
val & ACP_SOFT_RESET_SOFTRESET_AUDDONE_MASK,
DELAY_US, ACP_TIMEOUT);
if (ret)
return ret;
writel(0, acp_base + ACP_SOFT_RESET);
return readl_poll_timeout(acp_base + ACP_SOFT_RESET, val, !val, DELAY_US, ACP_TIMEOUT);
}
static void acp63_enable_interrupts(void __iomem *acp_base)
{
writel(1, acp_base + ACP_EXTERNAL_INTR_ENB);
writel(ACP_ERROR_IRQ, acp_base + ACP_EXTERNAL_INTR_CNTL);
}
static void acp63_disable_interrupts(void __iomem *acp_base)
{
writel(ACP_EXT_INTR_STAT_CLEAR_MASK, acp_base + ACP_EXTERNAL_INTR_STAT);
writel(0, acp_base + ACP_EXTERNAL_INTR_CNTL);
writel(0, acp_base + ACP_EXTERNAL_INTR_ENB);
}
static int acp63_init(void __iomem *acp_base, struct device *dev)
{
int ret;
ret = acp63_power_on(acp_base);
if (ret) {
dev_err(dev, "ACP power on failed\n");
return ret;
}
writel(0x01, acp_base + ACP_CONTROL);
ret = acp63_reset(acp_base);
if (ret) {
dev_err(dev, "ACP reset failed\n");
return ret;
}
acp63_enable_interrupts(acp_base);
return 0;
}
static int acp63_deinit(void __iomem *acp_base, struct device *dev)
{
int ret;
acp63_disable_interrupts(acp_base);
ret = acp63_reset(acp_base);
if (ret) {
dev_err(dev, "ACP reset failed\n");
return ret;
}
writel(0, acp_base + ACP_CONTROL);
return 0;
}
static irqreturn_t acp63_irq_thread(int irq, void *context)
{
struct sdw_dma_dev_data *sdw_dma_data;
struct acp63_dev_data *adata = context;
u32 stream_index;
sdw_dma_data = dev_get_drvdata(&adata->sdw_dma_dev->dev);
for (stream_index = 0; stream_index < ACP63_SDW0_DMA_MAX_STREAMS; stream_index++) {
if (adata->sdw0_dma_intr_stat[stream_index]) {
if (sdw_dma_data->sdw0_dma_stream[stream_index])
snd_pcm_period_elapsed(sdw_dma_data->sdw0_dma_stream[stream_index]);
adata->sdw0_dma_intr_stat[stream_index] = 0;
}
}
for (stream_index = 0; stream_index < ACP63_SDW1_DMA_MAX_STREAMS; stream_index++) {
if (adata->sdw1_dma_intr_stat[stream_index]) {
if (sdw_dma_data->sdw1_dma_stream[stream_index])
snd_pcm_period_elapsed(sdw_dma_data->sdw1_dma_stream[stream_index]);
adata->sdw1_dma_intr_stat[stream_index] = 0;
}
}
return IRQ_HANDLED;
}
static irqreturn_t acp63_irq_handler(int irq, void *dev_id)
{
struct acp63_dev_data *adata;
struct pdm_dev_data *ps_pdm_data;
struct amd_sdw_manager *amd_manager;
u32 ext_intr_stat, ext_intr_stat1;
u32 stream_id = 0;
u16 irq_flag = 0;
u16 sdw_dma_irq_flag = 0;
u16 index;
adata = dev_id;
if (!adata)
return IRQ_NONE;
/* ACP interrupts will be cleared by reading particular bit and writing
* same value to the status register. writing zero's doesn't have any
* effect.
* Bit by bit checking of IRQ field is implemented.
*/
ext_intr_stat = readl(adata->acp63_base + ACP_EXTERNAL_INTR_STAT);
if (ext_intr_stat & ACP_SDW0_STAT) {
writel(ACP_SDW0_STAT, adata->acp63_base + ACP_EXTERNAL_INTR_STAT);
amd_manager = dev_get_drvdata(&adata->sdw->pdev[0]->dev);
if (amd_manager)
schedule_work(&amd_manager->amd_sdw_irq_thread);
irq_flag = 1;
}
ext_intr_stat1 = readl(adata->acp63_base + ACP_EXTERNAL_INTR_STAT1);
if (ext_intr_stat1 & ACP_SDW1_STAT) {
writel(ACP_SDW1_STAT, adata->acp63_base + ACP_EXTERNAL_INTR_STAT1);
amd_manager = dev_get_drvdata(&adata->sdw->pdev[1]->dev);
if (amd_manager)
schedule_work(&amd_manager->amd_sdw_irq_thread);
irq_flag = 1;
}
if (ext_intr_stat & ACP_ERROR_IRQ) {
writel(ACP_ERROR_IRQ, adata->acp63_base + ACP_EXTERNAL_INTR_STAT);
/* TODO: Report SoundWire Manager instance errors */
writel(0, adata->acp63_base + ACP_SW0_I2S_ERROR_REASON);
writel(0, adata->acp63_base + ACP_SW1_I2S_ERROR_REASON);
writel(0, adata->acp63_base + ACP_ERROR_STATUS);
irq_flag = 1;
}
if (ext_intr_stat & BIT(PDM_DMA_STAT)) {
ps_pdm_data = dev_get_drvdata(&adata->pdm_dev->dev);
writel(BIT(PDM_DMA_STAT), adata->acp63_base + ACP_EXTERNAL_INTR_STAT);
if (ps_pdm_data->capture_stream)
snd_pcm_period_elapsed(ps_pdm_data->capture_stream);
irq_flag = 1;
}
if (ext_intr_stat & ACP_SDW_DMA_IRQ_MASK) {
for (index = ACP_AUDIO2_RX_THRESHOLD; index <= ACP_AUDIO0_TX_THRESHOLD; index++) {
if (ext_intr_stat & BIT(index)) {
writel(BIT(index), adata->acp63_base + ACP_EXTERNAL_INTR_STAT);
switch (index) {
case ACP_AUDIO0_TX_THRESHOLD:
stream_id = ACP_SDW0_AUDIO0_TX;
break;
case ACP_AUDIO1_TX_THRESHOLD:
stream_id = ACP_SDW0_AUDIO1_TX;
break;
case ACP_AUDIO2_TX_THRESHOLD:
stream_id = ACP_SDW0_AUDIO2_TX;
break;
case ACP_AUDIO0_RX_THRESHOLD:
stream_id = ACP_SDW0_AUDIO0_RX;
break;
case ACP_AUDIO1_RX_THRESHOLD:
stream_id = ACP_SDW0_AUDIO1_RX;
break;
case ACP_AUDIO2_RX_THRESHOLD:
stream_id = ACP_SDW0_AUDIO2_RX;
break;
}
adata->sdw0_dma_intr_stat[stream_id] = 1;
sdw_dma_irq_flag = 1;
}
}
}
if (ext_intr_stat1 & ACP_P1_AUDIO1_RX_THRESHOLD) {
writel(ACP_P1_AUDIO1_RX_THRESHOLD,
adata->acp63_base + ACP_EXTERNAL_INTR_STAT1);
adata->sdw1_dma_intr_stat[ACP_SDW1_AUDIO1_RX] = 1;
sdw_dma_irq_flag = 1;
}
if (ext_intr_stat1 & ACP_P1_AUDIO1_TX_THRESHOLD) {
writel(ACP_P1_AUDIO1_TX_THRESHOLD,
adata->acp63_base + ACP_EXTERNAL_INTR_STAT1);
adata->sdw1_dma_intr_stat[ACP_SDW1_AUDIO1_TX] = 1;
sdw_dma_irq_flag = 1;
}
if (sdw_dma_irq_flag)
return IRQ_WAKE_THREAD;
if (irq_flag)
return IRQ_HANDLED;
else
return IRQ_NONE;
}
#if IS_ENABLED(CONFIG_SND_SOC_AMD_SOUNDWIRE)
static int acp_scan_sdw_devices(struct device *dev, u64 addr)
{
struct acpi_device *sdw_dev;
struct acp63_dev_data *acp_data;
acp_data = dev_get_drvdata(dev);
if (!addr)
return -ENODEV;
sdw_dev = acpi_find_child_device(ACPI_COMPANION(dev), addr, 0);
if (!sdw_dev)
return -ENODEV;
acp_data->info.handle = sdw_dev->handle;
acp_data->info.count = AMD_SDW_MAX_MANAGERS;
return amd_sdw_scan_controller(&acp_data->info);
}
static int amd_sdw_probe(struct device *dev)
{
struct acp63_dev_data *acp_data;
struct sdw_amd_res sdw_res;
int ret;
acp_data = dev_get_drvdata(dev);
memset(&sdw_res, 0, sizeof(sdw_res));
sdw_res.addr = acp_data->addr;
sdw_res.reg_range = acp_data->reg_range;
sdw_res.handle = acp_data->info.handle;
sdw_res.parent = dev;
sdw_res.dev = dev;
sdw_res.acp_lock = &acp_data->acp_lock;
sdw_res.count = acp_data->info.count;
sdw_res.mmio_base = acp_data->acp63_base;
sdw_res.link_mask = acp_data->info.link_mask;
ret = sdw_amd_probe(&sdw_res, &acp_data->sdw);
if (ret)
dev_err(dev, "error: SoundWire probe failed\n");
return ret;
}
static int amd_sdw_exit(struct acp63_dev_data *acp_data)
{
if (acp_data->sdw)
sdw_amd_exit(acp_data->sdw);
acp_data->sdw = NULL;
return 0;
}
static struct snd_soc_acpi_mach *acp63_sdw_machine_select(struct device *dev)
{
struct snd_soc_acpi_mach *mach;
const struct snd_soc_acpi_link_adr *link;
struct acp63_dev_data *acp_data = dev_get_drvdata(dev);
int ret, i;
if (acp_data->info.count) {
ret = sdw_amd_get_slave_info(acp_data->sdw);
if (ret) {
dev_dbg(dev, "failed to read slave information\n");
return NULL;
}
for (mach = acp_data->machines; mach; mach++) {
if (!mach->links)
break;
link = mach->links;
for (i = 0; i < acp_data->info.count && link->num_adr; link++, i++) {
if (!snd_soc_acpi_sdw_link_slaves_found(dev, link,
acp_data->sdw->ids,
acp_data->sdw->num_slaves))
break;
}
if (i == acp_data->info.count || !link->num_adr)
break;
}
if (mach && mach->link_mask) {
mach->mach_params.links = mach->links;
mach->mach_params.link_mask = mach->link_mask;
return mach;
}
}
dev_dbg(dev, "No SoundWire machine driver found\n");
return NULL;
}
#else
static int acp_scan_sdw_devices(struct device *dev, u64 addr)
{
return 0;
}
static int amd_sdw_probe(struct device *dev)
{
return 0;
}
static int amd_sdw_exit(struct acp63_dev_data *acp_data)
{
return 0;
}
static struct snd_soc_acpi_mach *acp63_sdw_machine_select(struct device *dev)
{
return NULL;
}
#endif
static int acp63_machine_register(struct device *dev)
{
struct snd_soc_acpi_mach *mach;
struct acp63_dev_data *adata = dev_get_drvdata(dev);
int size;
if (adata->is_sdw_dev && adata->is_sdw_config) {
size = sizeof(*adata->machines);
mach = acp63_sdw_machine_select(dev);
if (mach) {
adata->mach_dev = platform_device_register_data(dev, mach->drv_name,
PLATFORM_DEVID_NONE, mach,
size);
if (IS_ERR(adata->mach_dev)) {
dev_err(dev,
"cannot register Machine device for SoundWire Interface\n");
return PTR_ERR(adata->mach_dev);
}
}
} else if (adata->is_pdm_dev && !adata->is_sdw_dev && adata->is_pdm_config) {
adata->mach_dev = platform_device_register_data(dev, "acp_ps_mach",
PLATFORM_DEVID_NONE, NULL, 0);
if (IS_ERR(adata->mach_dev)) {
dev_err(dev, "cannot register amd_ps_mach device\n");
return PTR_ERR(adata->mach_dev);
}
}
return 0;
}
static int get_acp63_device_config(struct pci_dev *pci, struct acp63_dev_data *acp_data)
{
struct acpi_device *pdm_dev;
const union acpi_object *obj;
u32 config;
bool is_dmic_dev = false;
bool is_sdw_dev = false;
int ret;
config = readl(acp_data->acp63_base + ACP_PIN_CONFIG);
switch (config) {
case ACP_CONFIG_4:
case ACP_CONFIG_5:
case ACP_CONFIG_10:
case ACP_CONFIG_11:
acp_data->is_pdm_config = true;
break;
case ACP_CONFIG_2:
case ACP_CONFIG_3:
acp_data->is_sdw_config = true;
break;
case ACP_CONFIG_6:
case ACP_CONFIG_7:
case ACP_CONFIG_12:
case ACP_CONFIG_8:
case ACP_CONFIG_13:
case ACP_CONFIG_14:
acp_data->is_pdm_config = true;
acp_data->is_sdw_config = true;
break;
default:
break;
}
if (acp_data->is_pdm_config) {
pdm_dev = acpi_find_child_device(ACPI_COMPANION(&pci->dev), ACP63_DMIC_ADDR, 0);
if (pdm_dev) {
/* is_dmic_dev flag will be set when ACP PDM controller device exists */
if (!acpi_dev_get_property(pdm_dev, "acp-audio-device-type",
ACPI_TYPE_INTEGER, &obj) &&
obj->integer.value == ACP_DMIC_DEV)
is_dmic_dev = true;
}
}
if (acp_data->is_sdw_config) {
ret = acp_scan_sdw_devices(&pci->dev, ACP63_SDW_ADDR);
if (!ret && acp_data->info.link_mask)
is_sdw_dev = true;
}
acp_data->is_pdm_dev = is_dmic_dev;
acp_data->is_sdw_dev = is_sdw_dev;
if (!is_dmic_dev && !is_sdw_dev) {
dev_dbg(&pci->dev, "No PDM or SoundWire manager devices found\n");
return -ENODEV;
}
return 0;
}
static void acp63_fill_platform_dev_info(struct platform_device_info *pdevinfo,
struct device *parent,
struct fwnode_handle *fw_node,
char *name, unsigned int id,
const struct resource *res,
unsigned int num_res,
const void *data,
size_t size_data)
{
pdevinfo->name = name;
pdevinfo->id = id;
pdevinfo->parent = parent;
pdevinfo->num_res = num_res;
pdevinfo->res = res;
pdevinfo->data = data;
pdevinfo->size_data = size_data;
pdevinfo->fwnode = fw_node;
}
static int create_acp63_platform_devs(struct pci_dev *pci, struct acp63_dev_data *adata, u32 addr)
{
struct platform_device_info pdevinfo;
struct device *parent;
int ret;
parent = &pci->dev;
if (adata->is_sdw_dev || adata->is_pdm_dev) {
adata->res = devm_kzalloc(&pci->dev, sizeof(struct resource), GFP_KERNEL);
if (!adata->res) {
ret = -ENOMEM;
goto de_init;
}
adata->res->flags = IORESOURCE_MEM;
adata->res->start = addr;
adata->res->end = addr + (ACP63_REG_END - ACP63_REG_START);
memset(&pdevinfo, 0, sizeof(pdevinfo));
}
if (adata->is_pdm_dev && adata->is_pdm_config) {
acp63_fill_platform_dev_info(&pdevinfo, parent, NULL, "acp_ps_pdm_dma",
0, adata->res, 1, NULL, 0);
adata->pdm_dev = platform_device_register_full(&pdevinfo);
if (IS_ERR(adata->pdm_dev)) {
dev_err(&pci->dev,
"cannot register %s device\n", pdevinfo.name);
ret = PTR_ERR(adata->pdm_dev);
goto de_init;
}
memset(&pdevinfo, 0, sizeof(pdevinfo));
acp63_fill_platform_dev_info(&pdevinfo, parent, NULL, "dmic-codec",
0, NULL, 0, NULL, 0);
adata->dmic_codec_dev = platform_device_register_full(&pdevinfo);
if (IS_ERR(adata->dmic_codec_dev)) {
dev_err(&pci->dev,
"cannot register %s device\n", pdevinfo.name);
ret = PTR_ERR(adata->dmic_codec_dev);
goto unregister_pdm_dev;
}
}
if (adata->is_sdw_dev && adata->is_sdw_config) {
ret = amd_sdw_probe(&pci->dev);
if (ret) {
if (adata->is_pdm_dev)
goto unregister_dmic_codec_dev;
else
goto de_init;
}
memset(&pdevinfo, 0, sizeof(pdevinfo));
acp63_fill_platform_dev_info(&pdevinfo, parent, NULL, "amd_ps_sdw_dma",
0, adata->res, 1, NULL, 0);
adata->sdw_dma_dev = platform_device_register_full(&pdevinfo);
if (IS_ERR(adata->sdw_dma_dev)) {
dev_err(&pci->dev,
"cannot register %s device\n", pdevinfo.name);
ret = PTR_ERR(adata->sdw_dma_dev);
if (adata->is_pdm_dev)
goto unregister_dmic_codec_dev;
else
goto de_init;
}
}
return 0;
unregister_dmic_codec_dev:
platform_device_unregister(adata->dmic_codec_dev);
unregister_pdm_dev:
platform_device_unregister(adata->pdm_dev);
de_init:
if (acp63_deinit(adata->acp63_base, &pci->dev))
dev_err(&pci->dev, "ACP de-init failed\n");
return ret;
}
static int snd_acp63_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
{
struct acp63_dev_data *adata;
u32 addr;
u32 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;
/* Pink Sardine device check */
switch (pci->revision) {
case 0x63:
break;
default:
dev_dbg(&pci->dev, "acp63 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 ACP6.2 audio");
if (ret < 0) {
dev_err(&pci->dev, "pci_request_regions failed\n");
goto disable_pci;
}
adata = devm_kzalloc(&pci->dev, sizeof(struct acp63_dev_data),
GFP_KERNEL);
if (!adata) {
ret = -ENOMEM;
goto release_regions;
}
addr = pci_resource_start(pci, 0);
adata->acp63_base = devm_ioremap(&pci->dev, addr,
pci_resource_len(pci, 0));
if (!adata->acp63_base) {
ret = -ENOMEM;
goto release_regions;
}
adata->addr = addr;
adata->reg_range = ACP63_REG_END - ACP63_REG_START;
pci_set_master(pci);
pci_set_drvdata(pci, adata);
mutex_init(&adata->acp_lock);
ret = acp63_init(adata->acp63_base, &pci->dev);
if (ret)
goto release_regions;
ret = devm_request_threaded_irq(&pci->dev, pci->irq, acp63_irq_handler,
acp63_irq_thread, irqflags, "ACP_PCI_IRQ", adata);
if (ret) {
dev_err(&pci->dev, "ACP PCI IRQ request failed\n");
goto de_init;
}
ret = get_acp63_device_config(pci, adata);
/* ACP PCI driver probe should be continued even PDM or SoundWire Devices are not found */
if (ret) {
dev_dbg(&pci->dev, "get acp device config failed:%d\n", ret);
goto skip_pdev_creation;
}
ret = create_acp63_platform_devs(pci, adata, addr);
if (ret < 0) {
dev_err(&pci->dev, "ACP platform devices creation failed\n");
goto de_init;
}
ret = acp63_machine_register(&pci->dev);
if (ret) {
dev_err(&pci->dev, "ACP machine register failed\n");
goto de_init;
}
skip_pdev_creation:
device_set_wakeup_enable(&pci->dev, true);
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;
de_init:
if (acp63_deinit(adata->acp63_base, &pci->dev))
dev_err(&pci->dev, "ACP de-init failed\n");
release_regions:
pci_release_regions(pci);
disable_pci:
pci_disable_device(pci);
return ret;
}
static bool check_acp_sdw_enable_status(struct acp63_dev_data *adata)
{
u32 sdw0_en, sdw1_en;
sdw0_en = readl(adata->acp63_base + ACP_SW0_EN);
sdw1_en = readl(adata->acp63_base + ACP_SW1_EN);
return (sdw0_en || sdw1_en);
}
static void handle_acp63_sdw_pme_event(struct acp63_dev_data *adata)
{
u32 val;
val = readl(adata->acp63_base + ACP_SW0_WAKE_EN);
if (val && adata->sdw->pdev[0])
pm_request_resume(&adata->sdw->pdev[0]->dev);
val = readl(adata->acp63_base + ACP_SW1_WAKE_EN);
if (val && adata->sdw->pdev[1])
pm_request_resume(&adata->sdw->pdev[1]->dev);
}
static int __maybe_unused snd_acp63_suspend(struct device *dev)
{
struct acp63_dev_data *adata;
int ret;
adata = dev_get_drvdata(dev);
if (adata->is_sdw_dev) {
adata->sdw_en_stat = check_acp_sdw_enable_status(adata);
if (adata->sdw_en_stat)
return 0;
}
ret = acp63_deinit(adata->acp63_base, dev);
if (ret)
dev_err(dev, "ACP de-init failed\n");
return ret;
}
static int __maybe_unused snd_acp63_runtime_resume(struct device *dev)
{
struct acp63_dev_data *adata;
int ret;
adata = dev_get_drvdata(dev);
if (adata->sdw_en_stat)
return 0;
ret = acp63_init(adata->acp63_base, dev);
if (ret) {
dev_err(dev, "ACP init failed\n");
return ret;
}
if (!adata->sdw_en_stat)
handle_acp63_sdw_pme_event(adata);
return 0;
}
static int __maybe_unused snd_acp63_resume(struct device *dev)
{
struct acp63_dev_data *adata;
int ret;
adata = dev_get_drvdata(dev);
if (adata->sdw_en_stat)
return 0;
ret = acp63_init(adata->acp63_base, dev);
if (ret)
dev_err(dev, "ACP init failed\n");
return ret;
}
static const struct dev_pm_ops acp63_pm_ops = {
SET_RUNTIME_PM_OPS(snd_acp63_suspend, snd_acp63_runtime_resume, NULL)
SET_SYSTEM_SLEEP_PM_OPS(snd_acp63_suspend, snd_acp63_resume)
};
static void snd_acp63_remove(struct pci_dev *pci)
{
struct acp63_dev_data *adata;
int ret;
adata = pci_get_drvdata(pci);
if (adata->sdw) {
amd_sdw_exit(adata);
platform_device_unregister(adata->sdw_dma_dev);
}
if (adata->is_pdm_dev) {
platform_device_unregister(adata->pdm_dev);
platform_device_unregister(adata->dmic_codec_dev);
}
if (adata->mach_dev)
platform_device_unregister(adata->mach_dev);
ret = acp63_deinit(adata->acp63_base, &pci->dev);
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_acp63_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_acp63_ids);
static struct pci_driver ps_acp63_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_acp63_ids,
.probe = snd_acp63_probe,
.remove = snd_acp63_remove,
.driver = {
.pm = &acp63_pm_ops,
}
};
module_pci_driver(ps_acp63_driver);
MODULE_AUTHOR("[email protected]");
MODULE_AUTHOR("[email protected]");
MODULE_DESCRIPTION("AMD ACP Pink Sardine PCI driver");
MODULE_IMPORT_NS(SOUNDWIRE_AMD_INIT);
MODULE_IMPORT_NS(SND_AMD_SOUNDWIRE_ACPI);
MODULE_LICENSE("GPL v2");
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