| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Vijendar Mukunda | 417 | 62.05% | 16 | 53.33% |
| Syed Saba kareem | 252 | 37.50% | 12 | 40.00% |
| Mario Limonciello | 2 | 0.30% | 1 | 3.33% |
| bilbao | 1 | 0.15% | 1 | 3.33% |
| Total | 672 | 30 |
/* SPDX-License-Identifier: GPL-2.0+ */ /* * AMD ALSA SoC PDM Driver * * Copyright (C) 2022, 2023 Advanced Micro Devices, Inc. All rights reserved. */ #include <linux/soundwire/sdw_amd.h> #include <sound/acp63_chip_offset_byte.h> #define ACP_DEVICE_ID 0x15E2 #define ACP63_REG_START 0x1240000 #define ACP63_REG_END 0x125C000 #define ACP_SOFT_RESET_SOFTRESET_AUDDONE_MASK 0x00010001 #define ACP_PGFSM_CNTL_POWER_ON_MASK 1 #define ACP_PGFSM_CNTL_POWER_OFF_MASK 0 #define ACP_PGFSM_STATUS_MASK 3 #define ACP_POWERED_ON 0 #define ACP_POWER_ON_IN_PROGRESS 1 #define ACP_POWERED_OFF 2 #define ACP_POWER_OFF_IN_PROGRESS 3 #define ACP_ERROR_MASK 0x20000000 #define ACP_EXT_INTR_STAT_CLEAR_MASK 0xFFFFFFFF #define PDM_DMA_STAT 0x10 #define PDM_DMA_INTR_MASK 0x10000 #define ACP_ERROR_STAT 29 #define PDM_DECIMATION_FACTOR 2 #define ACP_PDM_CLK_FREQ_MASK 7 #define ACP_WOV_GAIN_CONTROL GENMASK(4, 3) #define ACP_PDM_ENABLE 1 #define ACP_PDM_DISABLE 0 #define ACP_PDM_DMA_EN_STATUS 2 #define TWO_CH 2 #define DELAY_US 5 #define ACP_COUNTER 20000 #define ACP_SRAM_PTE_OFFSET 0x03800000 #define PAGE_SIZE_4K_ENABLE 2 #define PDM_PTE_OFFSET 0 #define PDM_MEM_WINDOW_START 0x4000000 #define CAPTURE_MIN_NUM_PERIODS 4 #define CAPTURE_MAX_NUM_PERIODS 4 #define CAPTURE_MAX_PERIOD_SIZE 8192 #define CAPTURE_MIN_PERIOD_SIZE 4096 #define MAX_BUFFER (CAPTURE_MAX_PERIOD_SIZE * CAPTURE_MAX_NUM_PERIODS) #define MIN_BUFFER MAX_BUFFER /* time in ms for runtime suspend delay */ #define ACP_SUSPEND_DELAY_MS 2000 #define ACP_DMIC_DEV 2 #define ACP63_DMIC_ADDR 2 #define ACP63_SDW_ADDR 5 #define AMD_SDW_MAX_MANAGERS 2 /* time in ms for acp timeout */ #define ACP_TIMEOUT 500 #define ACP_SDW0_STAT BIT(21) #define ACP_SDW1_STAT BIT(2) #define ACP_ERROR_IRQ BIT(29) #define ACP_AUDIO0_TX_THRESHOLD 0x1c #define ACP_AUDIO1_TX_THRESHOLD 0x1a #define ACP_AUDIO2_TX_THRESHOLD 0x18 #define ACP_AUDIO0_RX_THRESHOLD 0x1b #define ACP_AUDIO1_RX_THRESHOLD 0x19 #define ACP_AUDIO2_RX_THRESHOLD 0x17 #define ACP_P1_AUDIO1_TX_THRESHOLD BIT(6) #define ACP_P1_AUDIO1_RX_THRESHOLD BIT(5) #define ACP_SDW_DMA_IRQ_MASK 0x1F800000 #define ACP_P1_SDW_DMA_IRQ_MASK 0x60 #define ACP63_SDW0_DMA_MAX_STREAMS 6 #define ACP63_SDW1_DMA_MAX_STREAMS 2 #define ACP_P1_AUDIO_TX_THRESHOLD 6 /* * Below entries describes SDW0 instance DMA stream id and DMA irq bit mapping * in ACP_EXTENAL_INTR_CNTL register. * Stream id IRQ Bit * 0 (SDW0_AUDIO0_TX) 28 * 1 (SDW0_AUDIO1_TX) 26 * 2 (SDW0_AUDIO2_TX) 24 * 3 (SDW0_AUDIO0_RX) 27 * 4 (SDW0_AUDIO1_RX) 25 * 5 (SDW0_AUDIO2_RX) 23 */ #define SDW0_DMA_TX_IRQ_MASK(i) (ACP_AUDIO0_TX_THRESHOLD - (2 * (i))) #define SDW0_DMA_RX_IRQ_MASK(i) (ACP_AUDIO0_RX_THRESHOLD - (2 * ((i) - 3))) /* * Below entries describes SDW1 instance DMA stream id and DMA irq bit mapping * in ACP_EXTENAL_INTR_CNTL1 register. * Stream id IRQ Bit * 0 (SDW1_AUDIO1_TX) 6 * 1 (SDW1_AUDIO1_RX) 5 */ #define SDW1_DMA_IRQ_MASK(i) (ACP_P1_AUDIO_TX_THRESHOLD - (i)) #define ACP_DELAY_US 5 #define ACP_SDW_RING_BUFF_ADDR_OFFSET (128 * 1024) #define SDW0_MEM_WINDOW_START 0x4800000 #define ACP_SDW_SRAM_PTE_OFFSET 0x03800400 #define SDW0_PTE_OFFSET 0x400 #define SDW_FIFO_SIZE 0x100 #define SDW_DMA_SIZE 0x40 #define ACP_SDW0_FIFO_OFFSET 0x100 #define ACP_SDW_PTE_OFFSET 0x100 #define SDW_FIFO_OFFSET 0x100 #define SDW_PTE_OFFSET(i) (SDW0_PTE_OFFSET + ((i) * 0x600)) #define ACP_SDW_FIFO_OFFSET(i) (ACP_SDW0_FIFO_OFFSET + ((i) * 0x500)) #define SDW_MEM_WINDOW_START(i) (SDW0_MEM_WINDOW_START + ((i) * 0xC0000)) #define SDW_PLAYBACK_MIN_NUM_PERIODS 2 #define SDW_PLAYBACK_MAX_NUM_PERIODS 8 #define SDW_PLAYBACK_MAX_PERIOD_SIZE 8192 #define SDW_PLAYBACK_MIN_PERIOD_SIZE 1024 #define SDW_CAPTURE_MIN_NUM_PERIODS 2 #define SDW_CAPTURE_MAX_NUM_PERIODS 8 #define SDW_CAPTURE_MAX_PERIOD_SIZE 8192 #define SDW_CAPTURE_MIN_PERIOD_SIZE 1024 #define SDW_MAX_BUFFER (SDW_PLAYBACK_MAX_PERIOD_SIZE * SDW_PLAYBACK_MAX_NUM_PERIODS) #define SDW_MIN_BUFFER SDW_MAX_BUFFER enum acp_config { ACP_CONFIG_0 = 0, ACP_CONFIG_1, ACP_CONFIG_2, ACP_CONFIG_3, ACP_CONFIG_4, ACP_CONFIG_5, ACP_CONFIG_6, ACP_CONFIG_7, ACP_CONFIG_8, ACP_CONFIG_9, ACP_CONFIG_10, ACP_CONFIG_11, ACP_CONFIG_12, ACP_CONFIG_13, ACP_CONFIG_14, ACP_CONFIG_15, }; enum amd_sdw0_channel { ACP_SDW0_AUDIO0_TX = 0, ACP_SDW0_AUDIO1_TX, ACP_SDW0_AUDIO2_TX, ACP_SDW0_AUDIO0_RX, ACP_SDW0_AUDIO1_RX, ACP_SDW0_AUDIO2_RX, }; enum amd_sdw1_channel { ACP_SDW1_AUDIO1_TX, ACP_SDW1_AUDIO1_RX, }; struct pdm_stream_instance { u16 num_pages; u16 channels; dma_addr_t dma_addr; u64 bytescount; void __iomem *acp63_base; }; struct pdm_dev_data { u32 pdm_irq; void __iomem *acp63_base; struct mutex *acp_lock; struct snd_pcm_substream *capture_stream; }; struct sdw_dma_dev_data { void __iomem *acp_base; struct mutex *acp_lock; /* used to protect acp common register access */ struct snd_pcm_substream *sdw0_dma_stream[ACP63_SDW0_DMA_MAX_STREAMS]; struct snd_pcm_substream *sdw1_dma_stream[ACP63_SDW1_DMA_MAX_STREAMS]; }; struct acp_sdw_dma_stream { u16 num_pages; u16 channels; u32 stream_id; u32 instance; dma_addr_t dma_addr; u64 bytescount; }; union acp_sdw_dma_count { struct { u32 low; u32 high; } bcount; u64 bytescount; }; struct sdw_dma_ring_buf_reg { u32 reg_dma_size; u32 reg_fifo_addr; u32 reg_fifo_size; u32 reg_ring_buf_size; u32 reg_ring_buf_addr; u32 water_mark_size_reg; u32 pos_low_reg; u32 pos_high_reg; }; /** * struct acp63_dev_data - acp pci driver context * @acp63_base: acp mmio base * @res: resource * @pdm_dev: ACP PDM controller platform device * @dmic_codec: platform device for DMIC Codec * sdw_dma_dev: platform device for SoundWire DMA controller * @mach_dev: platform device for machine driver to support ACP PDM/SoundWire configuration * @acp_lock: used to protect acp common registers * @info: SoundWire AMD information found in ACPI tables * @sdw: SoundWire context for all SoundWire manager instances * @machine: ACPI machines for SoundWire interface * @is_sdw_dev: flag set to true when any SoundWire manager instances are available * @is_pdm_dev: flag set to true when ACP PDM controller exists * @is_pdm_config: flat set to true when PDM configuration is selected from BIOS * @is_sdw_config: flag set to true when SDW configuration is selected from BIOS * @sdw_en_stat: flag set to true when any one of the SoundWire manager instance is enabled * @addr: pci ioremap address * @reg_range: ACP reigister range * @sdw0-dma_intr_stat: DMA interrupt status array for SoundWire manager-SW0 instance * @sdw_dma_intr_stat: DMA interrupt status array for SoundWire manager-SW1 instance */ struct acp63_dev_data { void __iomem *acp63_base; struct resource *res; struct platform_device *pdm_dev; struct platform_device *dmic_codec_dev; struct platform_device *sdw_dma_dev; struct platform_device *mach_dev; struct mutex acp_lock; /* protect shared registers */ struct sdw_amd_acpi_info info; /* sdw context allocated by SoundWire driver */ struct sdw_amd_ctx *sdw; struct snd_soc_acpi_mach *machines; bool is_sdw_dev; bool is_pdm_dev; bool is_pdm_config; bool is_sdw_config; bool sdw_en_stat; u32 addr; u32 reg_range; u16 sdw0_dma_intr_stat[ACP63_SDW0_DMA_MAX_STREAMS]; u16 sdw1_dma_intr_stat[ACP63_SDW1_DMA_MAX_STREAMS]; }; int snd_amd_acp_find_config(struct pci_dev *pci);
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