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Diffstat (limited to '')
-rw-r--r-- | sound/soc/amd/yc/acp6x.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/sound/soc/amd/yc/acp6x.h b/sound/soc/amd/yc/acp6x.h new file mode 100644 index 0000000000..2de7d1edf0 --- /dev/null +++ b/sound/soc/amd/yc/acp6x.h @@ -0,0 +1,110 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * AMD ALSA SoC PDM Driver + * + * Copyright (C) 2021 Advanced Micro Devices, Inc. All rights reserved. + */ + +#include "acp6x_chip_offset_byte.h" + +#define ACP_DEVICE_ID 0x15E2 +#define ACP6x_PHY_BASE_ADDRESS 0x1240000 +#define ACP6x_REG_START 0x1240000 +#define ACP6x_REG_END 0x1250200 +#define ACP6x_DEVS 3 +#define ACP6x_PDM_MODE 1 + +#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 + +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, +}; + +struct pdm_dev_data { + u32 pdm_irq; + void __iomem *acp6x_base; + struct snd_pcm_substream *capture_stream; +}; + +struct pdm_stream_instance { + u16 num_pages; + u16 channels; + dma_addr_t dma_addr; + u64 bytescount; + void __iomem *acp6x_base; +}; + +union acp_pdm_dma_count { + struct { + u32 low; + u32 high; + } bcount; + u64 bytescount; +}; + +static inline u32 acp6x_readl(void __iomem *base_addr) +{ + return readl(base_addr - ACP6x_PHY_BASE_ADDRESS); +} + +static inline void acp6x_writel(u32 val, void __iomem *base_addr) +{ + writel(val, base_addr - ACP6x_PHY_BASE_ADDRESS); +} + +int snd_amd_acp_find_config(struct pci_dev *pci); + |