// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) // // This file is provided under a dual BSD/GPLv2 license. When using or // redistributing this file, you may do so under either license. // // Copyright(c) 2022 Advanced Micro Devices, Inc. // // Authors: Ajit Kumar Pandey // V sujith kumar Reddy /* * Hardware interface for Renoir ACP block */ #include #include #include #include #include #include #include #include #include #include "amd.h" #define DRV_NAME "acp_asoc_rembrandt" #define MP1_C2PMSG_69 0x3B10A14 #define MP1_C2PMSG_85 0x3B10A54 #define MP1_C2PMSG_93 0x3B10A74 #define HOST_BRIDGE_ID 0x14B5 static struct acp_resource rsrc = { .offset = 0, .no_of_ctrls = 2, .irqp_used = 1, .soc_mclk = true, .irq_reg_offset = 0x1a00, .i2s_pin_cfg_offset = 0x1440, .i2s_mode = 0x0a, .scratch_reg_offset = 0x12800, .sram_pte_offset = 0x03802800, }; static struct snd_soc_acpi_codecs amp_rt1019 = { .num_codecs = 1, .codecs = {"10EC1019"} }; static struct snd_soc_acpi_codecs amp_max = { .num_codecs = 1, .codecs = {"MX98360A"} }; static struct snd_soc_acpi_mach snd_soc_acpi_amd_rmb_acp_machines[] = { { .id = "10508825", .drv_name = "rmb-nau8825-max", .machine_quirk = snd_soc_acpi_codec_list, .quirk_data = &_max, }, { .id = "AMDI0007", .drv_name = "rembrandt-acp", }, { .id = "RTL5682", .drv_name = "rmb-rt5682s-rt1019", .machine_quirk = snd_soc_acpi_codec_list, .quirk_data = &_rt1019, }, {}, }; static struct snd_soc_dai_driver acp_rmb_dai[] = { { .name = "acp-i2s-sp", .id = I2S_SP_INSTANCE, .playback = { .stream_name = "I2S SP Playback", .rates = SNDRV_PCM_RATE_8000_96000, .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE, .channels_min = 2, .channels_max = 8, .rate_min = 8000, .rate_max = 96000, }, .capture = { .stream_name = "I2S SP Capture", .rates = SNDRV_PCM_RATE_8000_48000, .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE, .channels_min = 2, .channels_max = 2, .rate_min = 8000, .rate_max = 48000, }, .ops = &asoc_acp_cpu_dai_ops, .probe = &asoc_acp_i2s_probe, }, { .name = "acp-i2s-bt", .id = I2S_BT_INSTANCE, .playback = { .stream_name = "I2S BT Playback", .rates = SNDRV_PCM_RATE_8000_96000, .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE, .channels_min = 2, .channels_max = 8, .rate_min = 8000, .rate_max = 96000, }, .capture = { .stream_name = "I2S BT Capture", .rates = SNDRV_PCM_RATE_8000_48000, .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE, .channels_min = 2, .channels_max = 2, .rate_min = 8000, .rate_max = 48000, }, .ops = &asoc_acp_cpu_dai_ops, .probe = &asoc_acp_i2s_probe, }, { .name = "acp-i2s-hs", .id = I2S_HS_INSTANCE, .playback = { .stream_name = "I2S HS Playback", .rates = SNDRV_PCM_RATE_8000_96000, .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE, .channels_min = 2, .channels_max = 8, .rate_min = 8000, .rate_max = 96000, }, .capture = { .stream_name = "I2S HS Capture", .rates = SNDRV_PCM_RATE_8000_48000, .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE, .channels_min = 2, .channels_max = 8, .rate_min = 8000, .rate_max = 48000, }, .ops = &asoc_acp_cpu_dai_ops, .probe = &asoc_acp_i2s_probe, }, { .name = "acp-pdm-dmic", .id = DMIC_INSTANCE, .capture = { .rates = SNDRV_PCM_RATE_8000_48000, .formats = SNDRV_PCM_FMTBIT_S32_LE, .channels_min = 2, .channels_max = 2, .rate_min = 8000, .rate_max = 48000, }, .ops = &acp_dmic_dai_ops, }, }; static int acp6x_master_clock_generate(struct device *dev) { int data = 0; struct pci_dev *smn_dev; smn_dev = pci_get_device(PCI_VENDOR_ID_AMD, HOST_BRIDGE_ID, NULL); if (!smn_dev) { dev_err(dev, "Failed to get host bridge device\n"); return -ENODEV; } smn_write(smn_dev, MP1_C2PMSG_93, 0); smn_write(smn_dev, MP1_C2PMSG_85, 0xC4); smn_write(smn_dev, MP1_C2PMSG_69, 0x4); read_poll_timeout(smn_read, data, data, DELAY_US, ACP_TIMEOUT, false, smn_dev, MP1_C2PMSG_93); return 0; } static int rembrandt_audio_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct acp_chip_info *chip; struct acp_dev_data *adata; struct resource *res; chip = dev_get_platdata(&pdev->dev); if (!chip || !chip->base) { dev_err(&pdev->dev, "ACP chip data is NULL\n"); return -ENODEV; } if (chip->acp_rev != ACP6X_DEV) { dev_err(&pdev->dev, "Un-supported ACP Revision %d\n", chip->acp_rev); return -ENODEV; } adata = devm_kzalloc(dev, sizeof(struct acp_dev_data), GFP_KERNEL); if (!adata) return -ENOMEM; res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "acp_mem"); if (!res) { dev_err(&pdev->dev, "IORESOURCE_MEM FAILED\n"); return -ENODEV; } adata->acp_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); if (!adata->acp_base) return -ENOMEM; res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "acp_dai_irq"); if (!res) { dev_err(&pdev->dev, "IORESOURCE_IRQ FAILED\n"); return -ENODEV; } adata->i2s_irq = res->start; adata->dev = dev; adata->dai_driver = acp_rmb_dai; adata->num_dai = ARRAY_SIZE(acp_rmb_dai); adata->rsrc = &rsrc; adata->machines = snd_soc_acpi_amd_rmb_acp_machines; acp_machine_select(adata); dev_set_drvdata(dev, adata); acp6x_master_clock_generate(dev); acp_enable_interrupts(adata); acp_platform_register(dev); return 0; } static void rembrandt_audio_remove(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct acp_dev_data *adata = dev_get_drvdata(dev); acp_disable_interrupts(adata); acp_platform_unregister(dev); } static struct platform_driver rembrandt_driver = { .probe = rembrandt_audio_probe, .remove_new = rembrandt_audio_remove, .driver = { .name = "acp_asoc_rembrandt", }, }; module_platform_driver(rembrandt_driver); MODULE_DESCRIPTION("AMD ACP Rembrandt Driver"); MODULE_IMPORT_NS(SND_SOC_ACP_COMMON); MODULE_LICENSE("Dual BSD/GPL"); MODULE_ALIAS("platform:" DRV_NAME);