/* 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 … #define ACP63_REG_START … #define ACP63_REG_END … #define ACP_SOFT_RESET_SOFTRESET_AUDDONE_MASK … #define ACP_PGFSM_CNTL_POWER_ON_MASK … #define ACP_PGFSM_CNTL_POWER_OFF_MASK … #define ACP_PGFSM_STATUS_MASK … #define ACP_POWERED_ON … #define ACP_POWER_ON_IN_PROGRESS … #define ACP_POWERED_OFF … #define ACP_POWER_OFF_IN_PROGRESS … #define ACP_ERROR_MASK … #define ACP_EXT_INTR_STAT_CLEAR_MASK … #define PDM_DMA_STAT … #define PDM_DMA_INTR_MASK … #define ACP_ERROR_STAT … #define PDM_DECIMATION_FACTOR … #define ACP_PDM_CLK_FREQ_MASK … #define ACP_WOV_GAIN_CONTROL … #define ACP_PDM_ENABLE … #define ACP_PDM_DISABLE … #define ACP_PDM_DMA_EN_STATUS … #define TWO_CH … #define DELAY_US … #define ACP_COUNTER … #define ACP_SRAM_PTE_OFFSET … #define PAGE_SIZE_4K_ENABLE … #define PDM_PTE_OFFSET … #define PDM_MEM_WINDOW_START … #define CAPTURE_MIN_NUM_PERIODS … #define CAPTURE_MAX_NUM_PERIODS … #define CAPTURE_MAX_PERIOD_SIZE … #define CAPTURE_MIN_PERIOD_SIZE … #define MAX_BUFFER … #define MIN_BUFFER … /* time in ms for runtime suspend delay */ #define ACP_SUSPEND_DELAY_MS … #define ACP_DMIC_DEV … #define ACP63_DMIC_ADDR … #define ACP63_SDW_ADDR … #define AMD_SDW_MAX_MANAGERS … /* time in ms for acp timeout */ #define ACP_TIMEOUT … #define ACP_SDW0_STAT … #define ACP_SDW1_STAT … #define ACP_ERROR_IRQ … #define ACP_AUDIO0_TX_THRESHOLD … #define ACP_AUDIO1_TX_THRESHOLD … #define ACP_AUDIO2_TX_THRESHOLD … #define ACP_AUDIO0_RX_THRESHOLD … #define ACP_AUDIO1_RX_THRESHOLD … #define ACP_AUDIO2_RX_THRESHOLD … #define ACP_P1_AUDIO1_TX_THRESHOLD … #define ACP_P1_AUDIO1_RX_THRESHOLD … #define ACP_SDW_DMA_IRQ_MASK … #define ACP_P1_SDW_DMA_IRQ_MASK … #define ACP63_SDW0_DMA_MAX_STREAMS … #define ACP63_SDW1_DMA_MAX_STREAMS … #define ACP_P1_AUDIO_TX_THRESHOLD … /* * 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) … #define SDW0_DMA_RX_IRQ_MASK(i) … /* * 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) … #define ACP_DELAY_US … #define ACP_SDW_RING_BUFF_ADDR_OFFSET … #define SDW0_MEM_WINDOW_START … #define ACP_SDW_SRAM_PTE_OFFSET … #define SDW0_PTE_OFFSET … #define SDW_FIFO_SIZE … #define SDW_DMA_SIZE … #define ACP_SDW0_FIFO_OFFSET … #define ACP_SDW_PTE_OFFSET … #define SDW_FIFO_OFFSET … #define SDW_PTE_OFFSET(i) … #define ACP_SDW_FIFO_OFFSET(i) … #define SDW_MEM_WINDOW_START(i) … #define SDW_PLAYBACK_MIN_NUM_PERIODS … #define SDW_PLAYBACK_MAX_NUM_PERIODS … #define SDW_PLAYBACK_MAX_PERIOD_SIZE … #define SDW_PLAYBACK_MIN_PERIOD_SIZE … #define SDW_CAPTURE_MIN_NUM_PERIODS … #define SDW_CAPTURE_MAX_NUM_PERIODS … #define SDW_CAPTURE_MAX_PERIOD_SIZE … #define SDW_CAPTURE_MIN_PERIOD_SIZE … #define SDW_MAX_BUFFER … #define SDW_MIN_BUFFER … enum acp_config { … }; enum amd_sdw0_channel { … }; enum amd_sdw1_channel { … }; struct pdm_stream_instance { … }; struct pdm_dev_data { … }; struct sdw_dma_dev_data { … }; struct acp_sdw_dma_stream { … }; acp_sdw_dma_count; struct sdw_dma_ring_buf_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 { … }; int snd_amd_acp_find_config(struct pci_dev *pci);
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