diff options
Diffstat (limited to 'sound/soc/amd/ps/pci-ps.c')
| -rw-r--r-- | sound/soc/amd/ps/pci-ps.c | 428 |
1 files changed, 198 insertions, 230 deletions
diff --git a/sound/soc/amd/ps/pci-ps.c b/sound/soc/amd/ps/pci-ps.c index 4575326d0635..8e57f31ef7f7 100644 --- a/sound/soc/amd/ps/pci-ps.c +++ b/sound/soc/amd/ps/pci-ps.c @@ -1,8 +1,8 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * AMD Pink Sardine ACP PCI Driver + * AMD common ACP PCI driver for ACP6.3, ACP7.0 & ACP7.1 platforms. * - * Copyright 2022 Advanced Micro Devices, Inc. + * Copyright 2022, 2025 Advanced Micro Devices, Inc. */ #include <linux/pci.h> @@ -21,107 +21,168 @@ #include "acp63.h" -static int acp63_power_on(void __iomem *acp_base) +static void handle_acp70_sdw_wake_event(struct acp63_dev_data *adata) { - u32 val; - - val = readl(acp_base + ACP_PGFSM_STATUS); - - if (!val) - return val; + struct amd_sdw_manager *amd_manager; - if ((val & ACP_PGFSM_STATUS_MASK) != ACP_POWER_ON_IN_PROGRESS) - writel(ACP_PGFSM_CNTL_POWER_ON_MASK, acp_base + ACP_PGFSM_CONTROL); + if (adata->acp70_sdw0_wake_event) { + amd_manager = dev_get_drvdata(&adata->sdw->pdev[0]->dev); + if (amd_manager) + pm_request_resume(amd_manager->dev); + adata->acp70_sdw0_wake_event = 0; + } - return readl_poll_timeout(acp_base + ACP_PGFSM_STATUS, val, !val, DELAY_US, ACP_TIMEOUT); + if (adata->acp70_sdw1_wake_event) { + amd_manager = dev_get_drvdata(&adata->sdw->pdev[1]->dev); + if (amd_manager) + pm_request_resume(amd_manager->dev); + adata->acp70_sdw1_wake_event = 0; + } } -static int acp63_reset(void __iomem *acp_base) +static short int check_and_handle_acp70_sdw_wake_irq(struct acp63_dev_data *adata) { - u32 val; - int ret; + u32 ext_intr_stat1; + int irq_flag = 0; + bool sdw_wake_irq = false; - 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); -} + ext_intr_stat1 = readl(adata->acp63_base + ACP_EXTERNAL_INTR_STAT1); + if (ext_intr_stat1 & ACP70_SDW0_HOST_WAKE_STAT) { + writel(ACP70_SDW0_HOST_WAKE_STAT, adata->acp63_base + ACP_EXTERNAL_INTR_STAT1); + adata->acp70_sdw0_wake_event = true; + sdw_wake_irq = true; + } -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); -} + if (ext_intr_stat1 & ACP70_SDW1_HOST_WAKE_STAT) { + writel(ACP70_SDW1_HOST_WAKE_STAT, adata->acp63_base + ACP_EXTERNAL_INTR_STAT1); + adata->acp70_sdw1_wake_event = true; + sdw_wake_irq = true; + } -static int acp63_init(void __iomem *acp_base, struct device *dev) -{ - int ret; + if (ext_intr_stat1 & ACP70_SDW0_PME_STAT) { + writel(0, adata->acp63_base + ACP_SW0_WAKE_EN); + writel(ACP70_SDW0_PME_STAT, adata->acp63_base + ACP_EXTERNAL_INTR_STAT1); + adata->acp70_sdw0_wake_event = true; + sdw_wake_irq = true; + } - ret = acp63_power_on(acp_base); - if (ret) { - dev_err(dev, "ACP power on failed\n"); - return ret; + if (ext_intr_stat1 & ACP70_SDW1_PME_STAT) { + writel(0, adata->acp63_base + ACP_SW1_WAKE_EN); + writel(ACP70_SDW1_PME_STAT, adata->acp63_base + ACP_EXTERNAL_INTR_STAT1); + adata->acp70_sdw1_wake_event = true; + sdw_wake_irq = true; } - writel(0x01, acp_base + ACP_CONTROL); - ret = acp63_reset(acp_base); - if (ret) { - dev_err(dev, "ACP reset failed\n"); - return ret; + + if (sdw_wake_irq) { + handle_acp70_sdw_wake_event(adata); + irq_flag = 1; } - acp63_enable_interrupts(acp_base); - return 0; + return irq_flag; } -static int acp63_deinit(void __iomem *acp_base, struct device *dev) +static short int check_and_handle_sdw_dma_irq(struct acp63_dev_data *adata, u32 ext_intr_stat, + u32 ext_intr_stat1) { - int ret; + u32 stream_id = 0; + u16 sdw_dma_irq_flag = 0; + u16 index; - acp63_disable_interrupts(acp_base); - ret = acp63_reset(acp_base); - if (ret) { - dev_err(dev, "ACP reset failed\n"); - return ret; + if (ext_intr_stat & ACP63_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 = ACP63_SDW0_AUDIO0_TX; + break; + case ACP_AUDIO1_TX_THRESHOLD: + stream_id = ACP63_SDW0_AUDIO1_TX; + break; + case ACP_AUDIO2_TX_THRESHOLD: + stream_id = ACP63_SDW0_AUDIO2_TX; + break; + case ACP_AUDIO0_RX_THRESHOLD: + stream_id = ACP63_SDW0_AUDIO0_RX; + break; + case ACP_AUDIO1_RX_THRESHOLD: + stream_id = ACP63_SDW0_AUDIO1_RX; + break; + case ACP_AUDIO2_RX_THRESHOLD: + stream_id = ACP63_SDW0_AUDIO2_RX; + break; + } + switch (adata->acp_rev) { + case ACP63_PCI_REV: + adata->acp63_sdw0_dma_intr_stat[stream_id] = 1; + break; + case ACP70_PCI_REV: + case ACP71_PCI_REV: + adata->acp70_sdw0_dma_intr_stat[stream_id] = 1; + break; + } + sdw_dma_irq_flag = 1; + } + } } - writel(0, acp_base + ACP_CONTROL); - return 0; + switch (adata->acp_rev) { + case ACP63_PCI_REV: + if (ext_intr_stat1 & ACP63_P1_AUDIO1_RX_THRESHOLD) { + writel(ACP63_P1_AUDIO1_RX_THRESHOLD, + adata->acp63_base + ACP_EXTERNAL_INTR_STAT1); + adata->acp63_sdw1_dma_intr_stat[ACP63_SDW1_AUDIO1_RX] = 1; + sdw_dma_irq_flag = 1; + } + if (ext_intr_stat1 & ACP63_P1_AUDIO1_TX_THRESHOLD) { + writel(ACP63_P1_AUDIO1_TX_THRESHOLD, + adata->acp63_base + ACP_EXTERNAL_INTR_STAT1); + adata->acp63_sdw1_dma_intr_stat[ACP63_SDW1_AUDIO1_TX] = 1; + sdw_dma_irq_flag = 1; + } + break; + case ACP70_PCI_REV: + case ACP71_PCI_REV: + if (ext_intr_stat1 & ACP70_P1_SDW_DMA_IRQ_MASK) { + for (index = ACP70_P1_AUDIO2_RX_THRESHOLD; + index <= ACP70_P1_AUDIO0_TX_THRESHOLD; index++) { + if (ext_intr_stat1 & BIT(index)) { + writel(BIT(index), + adata->acp63_base + ACP_EXTERNAL_INTR_STAT1); + switch (index) { + case ACP70_P1_AUDIO0_TX_THRESHOLD: + stream_id = ACP70_SDW_AUDIO0_TX; + break; + case ACP70_P1_AUDIO1_TX_THRESHOLD: + stream_id = ACP70_SDW_AUDIO1_TX; + break; + case ACP70_P1_AUDIO2_TX_THRESHOLD: + stream_id = ACP70_SDW_AUDIO2_TX; + break; + case ACP70_P1_AUDIO0_RX_THRESHOLD: + stream_id = ACP70_SDW_AUDIO0_RX; + break; + case ACP70_P1_AUDIO1_RX_THRESHOLD: + stream_id = ACP70_SDW_AUDIO1_RX; + break; + case ACP70_P1_AUDIO2_RX_THRESHOLD: + stream_id = ACP70_SDW_AUDIO2_RX; + break; + } + + adata->acp70_sdw1_dma_intr_stat[stream_id] = 1; + sdw_dma_irq_flag = 1; + } + } + } + break; + } + return sdw_dma_irq_flag; } 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; - } - } + acp_hw_sdw_dma_irq_thread(adata); return IRQ_HANDLED; } @@ -131,10 +192,8 @@ static irqreturn_t acp63_irq_handler(int irq, void *dev_id) 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) @@ -171,6 +230,9 @@ static irqreturn_t acp63_irq_handler(int irq, void *dev_id) irq_flag = 1; } + if (adata->acp_rev >= ACP70_PCI_REV) + irq_flag = check_and_handle_acp70_sdw_wake_irq(adata); + 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); @@ -178,51 +240,8 @@ static irqreturn_t acp63_irq_handler(int irq, void *dev_id) 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; - } + sdw_dma_irq_flag = check_and_handle_sdw_dma_irq(adata, ext_intr_stat, ext_intr_stat1); if (sdw_dma_irq_flag) return IRQ_WAKE_THREAD; @@ -312,6 +331,7 @@ static struct snd_soc_acpi_mach *acp63_sdw_machine_select(struct device *dev) if (mach && mach->link_mask) { mach->mach_params.links = mach->links; mach->mach_params.link_mask = mach->link_mask; + mach->mach_params.subsystem_rev = acp_data->acp_rev; return mach; } } @@ -377,7 +397,6 @@ static int get_acp63_device_config(struct pci_dev *pci, struct acp63_dev_data *a const union acpi_object *obj; acpi_handle handle; acpi_integer dmic_status; - u32 config; bool is_dmic_dev = false; bool is_sdw_dev = false; bool wov_en, dmic_en; @@ -387,30 +406,7 @@ static int get_acp63_device_config(struct pci_dev *pci, struct acp63_dev_data *a wov_en = true; dmic_en = false; - 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; - } + acp_hw_get_config(pci, acp_data); if (acp_data->is_pdm_config) { pdm_dev = acpi_find_child_device(ACPI_COMPANION(&pci->dev), ACP63_DMIC_ADDR, 0); @@ -537,11 +533,33 @@ unregister_dmic_codec_dev: unregister_pdm_dev: platform_device_unregister(adata->pdm_dev); de_init: - if (acp63_deinit(adata->acp63_base, &pci->dev)) + if (acp_hw_deinit(adata, &pci->dev)) dev_err(&pci->dev, "ACP de-init failed\n"); return ret; } +static int acp_hw_init_ops(struct acp63_dev_data *adata, struct pci_dev *pci) +{ + adata->hw_ops = devm_kzalloc(&pci->dev, sizeof(struct acp_hw_ops), + GFP_KERNEL); + if (!adata->hw_ops) + return -ENOMEM; + + switch (adata->acp_rev) { + case ACP63_PCI_REV: + acp63_hw_init_ops(adata->hw_ops); + break; + case ACP70_PCI_REV: + case ACP71_PCI_REV: + acp70_hw_init_ops(adata->hw_ops); + break; + default: + dev_err(&pci->dev, "ACP device not found\n"); + return -ENODEV; + } + return 0; +} + static int snd_acp63_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { @@ -557,12 +575,14 @@ static int snd_acp63_probe(struct pci_dev *pci, if (flag) return -ENODEV; - /* Pink Sardine device check */ + /* ACP PCI revision id check for ACP6.3, ACP7.0 & ACP7.1 platforms */ switch (pci->revision) { - case 0x63: + case ACP63_PCI_REV: + case ACP70_PCI_REV: + case ACP71_PCI_REV: break; default: - dev_dbg(&pci->dev, "acp63 pci device not found\n"); + dev_dbg(&pci->dev, "acp63/acp70/acp71 pci device not found\n"); return -ENODEV; } if (pci_enable_device(pci)) { @@ -595,7 +615,12 @@ static int snd_acp63_probe(struct pci_dev *pci, pci_set_master(pci); pci_set_drvdata(pci, adata); mutex_init(&adata->acp_lock); - ret = acp63_init(adata->acp63_base, &pci->dev); + ret = acp_hw_init_ops(adata, pci); + if (ret) { + dev_err(&pci->dev, "ACP hw ops init failed\n"); + goto release_regions; + } + ret = acp_hw_init(adata, &pci->dev); if (ret) goto release_regions; ret = devm_request_threaded_irq(&pci->dev, pci->irq, acp63_irq_handler, @@ -615,7 +640,11 @@ static int snd_acp63_probe(struct pci_dev *pci, dev_err(&pci->dev, "ACP platform devices creation failed\n"); goto de_init; } - adata->machines = snd_soc_acpi_amd_acp63_sdw_machines; + if (adata->acp_rev >= ACP70_PCI_REV) + adata->machines = snd_soc_acpi_amd_acp70_sdw_machines; + else + adata->machines = snd_soc_acpi_amd_acp63_sdw_machines; + ret = acp63_machine_register(&pci->dev); if (ret) { dev_err(&pci->dev, "ACP machine register failed\n"); @@ -629,7 +658,7 @@ skip_pdev_creation: pm_runtime_allow(&pci->dev); return 0; de_init: - if (acp63_deinit(adata->acp63_base, &pci->dev)) + if (acp_hw_deinit(adata, &pci->dev)) dev_err(&pci->dev, "ACP de-init failed\n"); release_regions: pci_release_regions(pci); @@ -639,85 +668,24 @@ disable_pci: return ret; } -static bool check_acp_sdw_enable_status(struct acp63_dev_data *adata) +static int snd_acp_suspend(struct device *dev) { - 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; + return acp_hw_suspend(dev); } -static int __maybe_unused snd_acp63_runtime_resume(struct device *dev) +static int snd_acp_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; + return acp_hw_runtime_resume(dev); } -static int __maybe_unused snd_acp63_resume(struct device *dev) +static int snd_acp_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; + return acp_hw_resume(dev); } 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) + RUNTIME_PM_OPS(snd_acp_suspend, snd_acp_runtime_resume, NULL) + SYSTEM_SLEEP_PM_OPS(snd_acp_suspend, snd_acp_resume) }; static void snd_acp63_remove(struct pci_dev *pci) @@ -736,7 +704,7 @@ static void snd_acp63_remove(struct pci_dev *pci) } if (adata->mach_dev) platform_device_unregister(adata->mach_dev); - ret = acp63_deinit(adata->acp63_base, &pci->dev); + ret = acp_hw_deinit(adata, &pci->dev); if (ret) dev_err(&pci->dev, "ACP de-init failed\n"); pm_runtime_forbid(&pci->dev); @@ -759,7 +727,7 @@ static struct pci_driver ps_acp63_driver = { .probe = snd_acp63_probe, .remove = snd_acp63_remove, .driver = { - .pm = &acp63_pm_ops, + .pm = pm_ptr(&acp63_pm_ops), } }; @@ -767,7 +735,7 @@ 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_DESCRIPTION("AMD common ACP PCI driver for ACP6.3, ACP7.0 & ACP7.1 platforms"); MODULE_IMPORT_NS("SOUNDWIRE_AMD_INIT"); MODULE_IMPORT_NS("SND_AMD_SOUNDWIRE_ACPI"); MODULE_LICENSE("GPL v2"); |