diff options
Diffstat (limited to 'sound/soc/amd/acp/acp-rembrandt.c')
| -rw-r--r-- | sound/soc/amd/acp/acp-rembrandt.c | 300 |
1 files changed, 300 insertions, 0 deletions
diff --git a/sound/soc/amd/acp/acp-rembrandt.c b/sound/soc/amd/acp/acp-rembrandt.c new file mode 100644 index 000000000..1bf7b2e68 --- /dev/null +++ b/sound/soc/amd/acp/acp-rembrandt.c @@ -0,0 +1,300 @@ +// 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 <AjitKumar.Pandey@amd.com> +// V sujith kumar Reddy <Vsujithkumar.Reddy@amd.com> +/* + * Hardware interface for Renoir ACP block + */ + +#include <linux/platform_device.h> +#include <linux/module.h> +#include <linux/err.h> +#include <linux/io.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/soc-dai.h> +#include <linux/dma-mapping.h> +#include <linux/pci.h> +#include <linux/pm_runtime.h> + +#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, +}, +{ + .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, +}, +{ + .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, +}, +{ + .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); + 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 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); + pm_runtime_disable(&pdev->dev); +} + +static int __maybe_unused rmb_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; + + acp6x_master_clock_generate(dev); + spin_lock(&adata->acp_lock); + list_for_each_entry(stream, &adata->stream_list, list) { + 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 rmb_dma_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(NULL, rmb_pcm_resume) +}; + +static struct platform_driver rembrandt_driver = { + .probe = rembrandt_audio_probe, + .remove_new = rembrandt_audio_remove, + .driver = { + .name = "acp_asoc_rembrandt", + .pm = &rmb_dma_pm_ops, + }, +}; + +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); |