Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Syed Saba kareem | 1296 | 90.19% | 6 | 50.00% |
Ajit Kumar Pandey | 116 | 8.07% | 4 | 33.33% |
Vijendar Mukunda | 20 | 1.39% | 1 | 8.33% |
V Sujith Kumar Reddy | 5 | 0.35% | 1 | 8.33% |
Total | 1437 | 12 |
// 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 ACP6.3 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 "../mach-config.h" #define DRV_NAME "acp_asoc_acp63" #define CLK_PLL_PWR_REQ_N0 0X0006C2C0 #define CLK_SPLL_FIELD_2_N0 0X0006C114 #define CLK_PLL_REQ_N0 0X0006C0DC #define CLK_DFSBYPASS_CONTR 0X0006C2C8 #define CLK_DFS_CNTL_N0 0X0006C1A4 #define PLL_AUTO_STOP_REQ BIT(4) #define PLL_AUTO_START_REQ BIT(0) #define PLL_FRANCE_EN BIT(4) #define EXIT_DPF_BYPASS_0 BIT(16) #define EXIT_DPF_BYPASS_1 BIT(17) #define CLK0_DIVIDER 0X30 union clk_pll_req_no { struct { u32 fb_mult_int : 9; u32 reserved : 3; u32 pll_spine_div : 4; u32 gb_mult_frac : 16; } bitfields, bits; u32 clk_pll_req_no_reg; }; static struct acp_resource rsrc = { .offset = 0, .no_of_ctrls = 2, .irqp_used = 1, .soc_mclk = true, .irq_reg_offset = 0x1a00, .scratch_reg_offset = 0x12800, .sram_pte_offset = 0x03802800, }; static struct snd_soc_acpi_mach snd_soc_acpi_amd_acp63_acp_machines[] = { { .id = "AMDI0052", .drv_name = "acp63-acp", }, {}, }; static struct snd_soc_dai_driver acp63_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 acp63_i2s_master_clock_generate(struct acp_dev_data *adata) { u32 data; union clk_pll_req_no clk_pll; struct pci_dev *smn_dev; smn_dev = pci_get_device(PCI_VENDOR_ID_AMD, 0x14E8, NULL); if (!smn_dev) return -ENODEV; /* Clk5 pll register values to get mclk as 196.6MHz*/ clk_pll.bits.fb_mult_int = 0x31; clk_pll.bits.pll_spine_div = 0; clk_pll.bits.gb_mult_frac = 0x26E9; data = smn_read(smn_dev, CLK_PLL_PWR_REQ_N0); smn_write(smn_dev, CLK_PLL_PWR_REQ_N0, data | PLL_AUTO_STOP_REQ); data = smn_read(smn_dev, CLK_SPLL_FIELD_2_N0); if (data & PLL_FRANCE_EN) smn_write(smn_dev, CLK_SPLL_FIELD_2_N0, data | PLL_FRANCE_EN); smn_write(smn_dev, CLK_PLL_REQ_N0, clk_pll.clk_pll_req_no_reg); data = smn_read(smn_dev, CLK_PLL_PWR_REQ_N0); smn_write(smn_dev, CLK_PLL_PWR_REQ_N0, data | PLL_AUTO_START_REQ); data = smn_read(smn_dev, CLK_DFSBYPASS_CONTR); smn_write(smn_dev, CLK_DFSBYPASS_CONTR, data | EXIT_DPF_BYPASS_0); smn_write(smn_dev, CLK_DFSBYPASS_CONTR, data | EXIT_DPF_BYPASS_1); smn_write(smn_dev, CLK_DFS_CNTL_N0, CLK0_DIVIDER); return 0; } static int acp63_audio_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct acp_chip_info *chip; struct acp_dev_data *adata; struct resource *res; int ret; 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 != ACP63_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 = acp63_dai; adata->num_dai = ARRAY_SIZE(acp63_dai); adata->rsrc = &rsrc; adata->platform = ACP63; adata->flag = chip->flag; adata->is_i2s_config = chip->is_i2s_config; adata->machines = snd_soc_acpi_amd_acp63_acp_machines; acp_machine_select(adata); dev_set_drvdata(dev, adata); if (chip->is_i2s_config && rsrc.soc_mclk) { ret = acp63_i2s_master_clock_generate(adata); if (ret) return ret; } 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 acp63_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 acp63_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; if (adata->is_i2s_config && adata->rsrc->soc_mclk) acp63_i2s_master_clock_generate(adata); 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 acp63_dma_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(NULL, acp63_pcm_resume) }; static struct platform_driver acp63_driver = { .probe = acp63_audio_probe, .remove_new = acp63_audio_remove, .driver = { .name = "acp_asoc_acp63", .pm = &acp63_dma_pm_ops, }, }; module_platform_driver(acp63_driver); MODULE_DESCRIPTION("AMD ACP acp63 Driver"); MODULE_IMPORT_NS(SND_SOC_ACP_COMMON); MODULE_LICENSE("Dual BSD/GPL"); MODULE_ALIAS("platform:" DRV_NAME);
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