// 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) 2023 Advanced Micro Devices, Inc. // // Authors: Syed Saba kareem /* * Hardware interface for ACP7.0 block */ #include #include #include #include #include #include #include #include #include #include #include "amd.h" #include "acp-mach.h" #define DRV_NAME "acp_asoc_acp70" 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_mach snd_soc_acpi_amd_acp70_acp_machines[] = { { .id = "AMDI0029", .drv_name = "acp70-acp", }, {}, }; static struct snd_soc_dai_driver acp70_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_U8 | SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE | 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_U8 | SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE, .channels_min = 2, .channels_max = 2, .rate_min = 8000, .rate_max = 48000, }, .ops = &asoc_acp_cpu_dai_ops, }, { .name = "acp-i2s-bt", .id = I2S_BT_INSTANCE, .playback = { .stream_name = "I2S BT Playback", .rates = SNDRV_PCM_RATE_8000_96000, .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE | 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_U8 | SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE, .channels_min = 2, .channels_max = 2, .rate_min = 8000, .rate_max = 48000, }, .ops = &asoc_acp_cpu_dai_ops, }, { .name = "acp-i2s-hs", .id = I2S_HS_INSTANCE, .playback = { .stream_name = "I2S HS Playback", .rates = SNDRV_PCM_RATE_8000_96000, .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE | 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_U8 | SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE, .channels_min = 2, .channels_max = 8, .rate_min = 8000, .rate_max = 48000, }, .ops = &asoc_acp_cpu_dai_ops, }, { .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 acp_acp70_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 != ACP70_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 = acp70_dai; adata->num_dai = ARRAY_SIZE(acp70_dai); adata->rsrc = &rsrc; adata->machines = snd_soc_acpi_amd_acp70_acp_machines; adata->platform = ACP70; adata->flag = chip->flag; acp_machine_select(adata); dev_set_drvdata(dev, adata); acp_enable_interrupts(adata); acp_platform_register(dev); pm_runtime_set_autosuspend_delay(&pdev->dev, ACP_SUSPEND_DELAY_MS); pm_runtime_use_autosuspend(&pdev->dev); pm_runtime_mark_last_busy(&pdev->dev); pm_runtime_set_active(&pdev->dev); pm_runtime_enable(&pdev->dev); return 0; } static void acp_acp70_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); pm_runtime_disable(&pdev->dev); } static int __maybe_unused acp70_pcm_resume(struct device *dev) { struct acp_dev_data *adata = dev_get_drvdata(dev); struct acp_stream *stream; struct snd_pcm_substream *substream; snd_pcm_uframes_t buf_in_frames; u64 buf_size; spin_lock(&adata->acp_lock); list_for_each_entry(stream, &adata->stream_list, list) { if (stream) { substream = stream->substream; if (substream && substream->runtime) { buf_in_frames = (substream->runtime->buffer_size); buf_size = frames_to_bytes(substream->runtime, buf_in_frames); config_pte_for_stream(adata, stream); config_acp_dma(adata, stream, buf_size); if (stream->dai_id) restore_acp_i2s_params(substream, adata, stream); else restore_acp_pdm_params(substream, adata); } } } spin_unlock(&adata->acp_lock); return 0; } static const struct dev_pm_ops acp70_dma_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(NULL, acp70_pcm_resume) }; static struct platform_driver acp70_driver = { .probe = acp_acp70_audio_probe, .remove_new = acp_acp70_audio_remove, .driver = { .name = "acp_asoc_acp70", .pm = &acp70_dma_pm_ops, }, }; module_platform_driver(acp70_driver); MODULE_DESCRIPTION("AMD ACP ACP70 Driver"); MODULE_IMPORT_NS(SND_SOC_ACP_COMMON); MODULE_LICENSE("Dual BSD/GPL"); MODULE_ALIAS("platform:" DRV_NAME);