diff options
Diffstat (limited to 'sound/soc/amd/acp/acp70.c')
| -rw-r--r-- | sound/soc/amd/acp/acp70.c | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/sound/soc/amd/acp/acp70.c b/sound/soc/amd/acp/acp70.c new file mode 100644 index 000000000000..bca311c88139 --- /dev/null +++ b/sound/soc/amd/acp/acp70.c @@ -0,0 +1,228 @@ +// 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 <syed.sabakareem@amd.com> +/* + * Hardware interface for ACP7.0 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/pm_runtime.h> +#include <linux/pci.h> +#include "amd.h" +#include "acp-mach.h" + +#include <asm/amd/node.h> + +#define DRV_NAME "acp_asoc_acp70" + +#define CLK7_CLK0_DFS_CNTL_N1 0X0006C1A4 +#define CLK0_DIVIDER 0X19 + +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_192000, + .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S8 | + SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE, + .channels_min = 2, + .channels_max = 32, + .rate_min = 8000, + .rate_max = 192000, + }, + .capture = { + .stream_name = "I2S SP Capture", + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S8 | + SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE, + .channels_min = 2, + .channels_max = 32, + .rate_min = 8000, + .rate_max = 192000, + }, + .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_192000, + .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S8 | + SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE, + .channels_min = 2, + .channels_max = 32, + .rate_min = 8000, + .rate_max = 192000, + }, + .capture = { + .stream_name = "I2S BT Capture", + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S8 | + SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE, + .channels_min = 2, + .channels_max = 32, + .rate_min = 8000, + .rate_max = 192000, + }, + .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_192000, + .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S8 | + SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE, + .channels_min = 2, + .channels_max = 32, + .rate_min = 8000, + .rate_max = 192000, + }, + .capture = { + .stream_name = "I2S HS Capture", + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S8 | + SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE, + .channels_min = 2, + .channels_max = 32, + .rate_min = 8000, + .rate_max = 192000, + }, + .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; + int ret; + + chip = dev_get_platdata(&pdev->dev); + if (!chip || !chip->base) { + dev_err(&pdev->dev, "ACP chip data is NULL\n"); + return -ENODEV; + } + + switch (chip->acp_rev) { + case ACP70_PCI_ID: + case ACP71_PCI_ID: + case ACP72_PCI_ID: + break; + default: + dev_err(&pdev->dev, "Un-supported ACP Revision %d\n", chip->acp_rev); + return -ENODEV; + } + + chip->dev = dev; + chip->dai_driver = acp70_dai; + chip->num_dai = ARRAY_SIZE(acp70_dai); + + /* Set clk7 DFS clock divider register value to get mclk as 196.608MHz*/ + ret = amd_smn_write(0, CLK7_CLK0_DFS_CNTL_N1, CLK0_DIVIDER); + if (ret) { + dev_err(&pdev->dev, "Failed to set I2S master clock as 196.608MHz\n"); + return ret; + } + ret = acp_hw_en_interrupts(chip); + if (ret) { + dev_err(dev, "ACP en-interrupts failed\n"); + return ret; + } + 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_chip_info *chip = dev_get_platdata(dev); + int ret; + + ret = acp_hw_dis_interrupts(chip); + if (ret) + dev_err(dev, "ACP dis-interrupts failed\n"); + + acp_platform_unregister(dev); + pm_runtime_disable(&pdev->dev); +} + +static int acp70_pcm_resume(struct device *dev) +{ + struct acp_chip_info *chip = dev_get_drvdata(dev->parent); + struct acp_stream *stream; + struct snd_pcm_substream *substream; + snd_pcm_uframes_t buf_in_frames; + u64 buf_size; + + spin_lock(&chip->acp_lock); + list_for_each_entry(stream, &chip->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(chip, stream); + config_acp_dma(chip, stream, buf_size); + if (stream->dai_id) + restore_acp_i2s_params(substream, chip, stream); + else + restore_acp_pdm_params(substream, chip); + } + } + spin_unlock(&chip->acp_lock); + return 0; +} + +static const struct dev_pm_ops acp70_dma_pm_ops = { + SYSTEM_SLEEP_PM_OPS(NULL, acp70_pcm_resume) +}; + +static struct platform_driver acp70_driver = { + .probe = acp_acp70_audio_probe, + .remove = acp_acp70_audio_remove, + .driver = { + .name = "acp_asoc_acp70", + .pm = pm_ptr(&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); |