diff options
Diffstat (limited to 'sound/soc/amd/ps/pci-ps.c')
| -rw-r--r-- | sound/soc/amd/ps/pci-ps.c | 756 |
1 files changed, 756 insertions, 0 deletions
diff --git a/sound/soc/amd/ps/pci-ps.c b/sound/soc/amd/ps/pci-ps.c new file mode 100644 index 000000000000..c72d666d51bd --- /dev/null +++ b/sound/soc/amd/ps/pci-ps.c @@ -0,0 +1,756 @@ +// 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("Vijendar.Mukunda@amd.com"); +MODULE_AUTHOR("Syed.SabaKareem@amd.com"); +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"); |