/* 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) 2021 Advanced Micro Devices, Inc. All rights reserved. * * Author: Ajit Kumar Pandey */ #ifndef __AMD_ACP_H #define __AMD_ACP_H #include #include #include #include #include "chip_offset_byte.h" #define ACP3X_DEV 3 #define ACP6X_DEV 6 #define ACP63_DEV 0x63 #define ACP70_DEV 0x70 #define ACP71_DEV 0x71 #define DMIC_INSTANCE 0x00 #define I2S_SP_INSTANCE 0x01 #define I2S_BT_INSTANCE 0x02 #define I2S_HS_INSTANCE 0x03 #define MEM_WINDOW_START 0x4080000 #define ACP_I2S_REG_START 0x1242400 #define ACP_I2S_REG_END 0x1242810 #define ACP3x_I2STDM_REG_START 0x1242400 #define ACP3x_I2STDM_REG_END 0x1242410 #define ACP3x_BT_TDM_REG_START 0x1242800 #define ACP3x_BT_TDM_REG_END 0x1242810 #define THRESHOLD(bit, base) ((bit) + (base)) #define I2S_RX_THRESHOLD(base) THRESHOLD(7, base) #define I2S_TX_THRESHOLD(base) THRESHOLD(8, base) #define BT_TX_THRESHOLD(base) THRESHOLD(6, base) #define BT_RX_THRESHOLD(base) THRESHOLD(5, base) #define HS_TX_THRESHOLD(base) THRESHOLD(4, base) #define HS_RX_THRESHOLD(base) THRESHOLD(3, base) #define ACP_SRAM_SP_PB_PTE_OFFSET 0x0 #define ACP_SRAM_SP_CP_PTE_OFFSET 0x100 #define ACP_SRAM_BT_PB_PTE_OFFSET 0x200 #define ACP_SRAM_BT_CP_PTE_OFFSET 0x300 #define ACP_SRAM_PDM_PTE_OFFSET 0x400 #define ACP_SRAM_HS_PB_PTE_OFFSET 0x500 #define ACP_SRAM_HS_CP_PTE_OFFSET 0x600 #define PAGE_SIZE_4K_ENABLE 0x2 #define I2S_SP_TX_MEM_WINDOW_START 0x4000000 #define I2S_SP_RX_MEM_WINDOW_START 0x4020000 #define I2S_BT_TX_MEM_WINDOW_START 0x4040000 #define I2S_BT_RX_MEM_WINDOW_START 0x4060000 #define I2S_HS_TX_MEM_WINDOW_START 0x40A0000 #define I2S_HS_RX_MEM_WINDOW_START 0x40C0000 #define ACP7x_I2S_SP_TX_MEM_WINDOW_START 0x4000000 #define ACP7x_I2S_SP_RX_MEM_WINDOW_START 0x4200000 #define ACP7x_I2S_BT_TX_MEM_WINDOW_START 0x4400000 #define ACP7x_I2S_BT_RX_MEM_WINDOW_START 0x4600000 #define ACP7x_I2S_HS_TX_MEM_WINDOW_START 0x4800000 #define ACP7x_I2S_HS_RX_MEM_WINDOW_START 0x4A00000 #define ACP7x_DMIC_MEM_WINDOW_START 0x4C00000 #define SP_PB_FIFO_ADDR_OFFSET 0x500 #define SP_CAPT_FIFO_ADDR_OFFSET 0x700 #define BT_PB_FIFO_ADDR_OFFSET 0x900 #define BT_CAPT_FIFO_ADDR_OFFSET 0xB00 #define HS_PB_FIFO_ADDR_OFFSET 0xD00 #define HS_CAPT_FIFO_ADDR_OFFSET 0xF00 #define PLAYBACK_MIN_NUM_PERIODS 2 #define PLAYBACK_MAX_NUM_PERIODS 8 #define PLAYBACK_MAX_PERIOD_SIZE 8192 #define PLAYBACK_MIN_PERIOD_SIZE 1024 #define CAPTURE_MIN_NUM_PERIODS 2 #define CAPTURE_MAX_NUM_PERIODS 8 #define CAPTURE_MAX_PERIOD_SIZE 8192 #define CAPTURE_MIN_PERIOD_SIZE 1024 #define MAX_BUFFER 65536 #define MIN_BUFFER MAX_BUFFER #define FIFO_SIZE 0x100 #define DMA_SIZE 0x40 #define FRM_LEN 0x100 #define ACP3x_ITER_IRER_SAMP_LEN_MASK 0x38 #define ACP_MAX_STREAM 8 #define TDM_ENABLE 1 #define TDM_DISABLE 0 #define SLOT_WIDTH_8 0x8 #define SLOT_WIDTH_16 0x10 #define SLOT_WIDTH_24 0x18 #define SLOT_WIDTH_32 0x20 #define ACP6X_PGFSM_CONTROL 0x1024 #define ACP6X_PGFSM_STATUS 0x1028 #define ACP63_PGFSM_CONTROL ACP6X_PGFSM_CONTROL #define ACP63_PGFSM_STATUS ACP6X_PGFSM_STATUS #define ACP70_PGFSM_CONTROL ACP6X_PGFSM_CONTROL #define ACP70_PGFSM_STATUS ACP6X_PGFSM_STATUS #define ACP_ZSC_DSP_CTRL 0x0001014 #define ACP_ZSC_STS 0x0001018 #define ACP_SOFT_RST_DONE_MASK 0x00010001 #define ACP_PGFSM_CNTL_POWER_ON_MASK 0xffffffff #define ACP_PGFSM_CNTL_POWER_OFF_MASK 0x00 #define ACP_PGFSM_STATUS_MASK 0x03 #define ACP_POWERED_ON 0x00 #define ACP_POWER_ON_IN_PROGRESS 0x01 #define ACP_POWERED_OFF 0x02 #define ACP_POWER_OFF_IN_PROGRESS 0x03 #define ACP_ERROR_MASK 0x20000000 #define ACP_EXT_INTR_STAT_CLEAR_MASK 0xffffffff #define ACP_TIMEOUT 500 #define DELAY_US 5 #define ACP_SUSPEND_DELAY_MS 2000 #define PDM_DMA_STAT 0x10 #define PDM_DMA_INTR_MASK 0x10000 #define PDM_DEC_64 0x2 #define PDM_CLK_FREQ_MASK 0x07 #define PDM_MISC_CTRL_MASK 0x10 #define PDM_ENABLE 0x01 #define PDM_DISABLE 0x00 #define DMA_EN_MASK 0x02 #define DELAY_US 5 #define PDM_TIMEOUT 1000 #define ACP_REGION2_OFFSET 0x02000000 struct acp_chip_info { char *name; /* Platform name */ unsigned int acp_rev; /* ACP Revision id */ void __iomem *base; /* ACP memory PCI base */ struct platform_device *chip_pdev; unsigned int flag; /* Distinguish b/w Legacy or Only PDM */ bool is_pdm_dev; /* flag set to true when ACP PDM controller exists */ bool is_pdm_config; /* flag set to true when PDM configuration is selected from BIOS */ bool is_i2s_config; /* flag set to true when I2S configuration is selected from BIOS */ }; struct acp_stream { struct list_head list; struct snd_pcm_substream *substream; int irq_bit; int dai_id; int id; int dir; u64 bytescount; u32 reg_offset; u32 pte_offset; u32 fifo_offset; }; struct acp_resource { int offset; int no_of_ctrls; int irqp_used; bool soc_mclk; u32 irq_reg_offset; u64 scratch_reg_offset; u64 sram_pte_offset; }; struct acp_dev_data { char *name; struct device *dev; void __iomem *acp_base; unsigned int i2s_irq; bool tdm_mode; bool is_i2s_config; /* SOC specific dais */ struct snd_soc_dai_driver *dai_driver; int num_dai; struct list_head stream_list; spinlock_t acp_lock; struct snd_soc_acpi_mach *machines; struct platform_device *mach_dev; u32 bclk_div; u32 lrclk_div; struct acp_resource *rsrc; u32 ch_mask; u32 tdm_tx_fmt[3]; u32 tdm_rx_fmt[3]; u32 xfer_tx_resolution[3]; u32 xfer_rx_resolution[3]; unsigned int flag; unsigned int platform; }; 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, ACP_CONFIG_16, ACP_CONFIG_17, ACP_CONFIG_18, ACP_CONFIG_19, ACP_CONFIG_20, }; extern const struct snd_soc_dai_ops asoc_acp_cpu_dai_ops; extern const struct snd_soc_dai_ops acp_dmic_dai_ops; int acp_platform_register(struct device *dev); int acp_platform_unregister(struct device *dev); int acp_machine_select(struct acp_dev_data *adata); int smn_read(struct pci_dev *dev, u32 smn_addr); int smn_write(struct pci_dev *dev, u32 smn_addr, u32 data); int acp_init(struct acp_chip_info *chip); int acp_deinit(struct acp_chip_info *chip); void acp_enable_interrupts(struct acp_dev_data *adata); void acp_disable_interrupts(struct acp_dev_data *adata); /* Machine configuration */ int snd_amd_acp_find_config(struct pci_dev *pci); void config_pte_for_stream(struct acp_dev_data *adata, struct acp_stream *stream); void config_acp_dma(struct acp_dev_data *adata, struct acp_stream *stream, int size); void restore_acp_pdm_params(struct snd_pcm_substream *substream, struct acp_dev_data *adata); int restore_acp_i2s_params(struct snd_pcm_substream *substream, struct acp_dev_data *adata, struct acp_stream *stream); void check_acp_config(struct pci_dev *pci, struct acp_chip_info *chip); static inline u64 acp_get_byte_count(struct acp_dev_data *adata, int dai_id, int direction) { u64 byte_count = 0, low = 0, high = 0; if (direction == SNDRV_PCM_STREAM_PLAYBACK) { switch (dai_id) { case I2S_BT_INSTANCE: high = readl(adata->acp_base + ACP_BT_TX_LINEARPOSITIONCNTR_HIGH(adata)); low = readl(adata->acp_base + ACP_BT_TX_LINEARPOSITIONCNTR_LOW(adata)); break; case I2S_SP_INSTANCE: high = readl(adata->acp_base + ACP_I2S_TX_LINEARPOSITIONCNTR_HIGH(adata)); low = readl(adata->acp_base + ACP_I2S_TX_LINEARPOSITIONCNTR_LOW(adata)); break; case I2S_HS_INSTANCE: high = readl(adata->acp_base + ACP_HS_TX_LINEARPOSITIONCNTR_HIGH); low = readl(adata->acp_base + ACP_HS_TX_LINEARPOSITIONCNTR_LOW); break; default: dev_err(adata->dev, "Invalid dai id %x\n", dai_id); goto POINTER_RETURN_BYTES; } } else { switch (dai_id) { case I2S_BT_INSTANCE: high = readl(adata->acp_base + ACP_BT_RX_LINEARPOSITIONCNTR_HIGH(adata)); low = readl(adata->acp_base + ACP_BT_RX_LINEARPOSITIONCNTR_LOW(adata)); break; case I2S_SP_INSTANCE: high = readl(adata->acp_base + ACP_I2S_RX_LINEARPOSITIONCNTR_HIGH(adata)); low = readl(adata->acp_base + ACP_I2S_RX_LINEARPOSITIONCNTR_LOW(adata)); break; case I2S_HS_INSTANCE: high = readl(adata->acp_base + ACP_HS_RX_LINEARPOSITIONCNTR_HIGH); low = readl(adata->acp_base + ACP_HS_RX_LINEARPOSITIONCNTR_LOW); break; case DMIC_INSTANCE: high = readl(adata->acp_base + ACP_WOV_RX_LINEARPOSITIONCNTR_HIGH); low = readl(adata->acp_base + ACP_WOV_RX_LINEARPOSITIONCNTR_LOW); break; default: dev_err(adata->dev, "Invalid dai id %x\n", dai_id); goto POINTER_RETURN_BYTES; } } /* Get 64 bit value from two 32 bit registers */ byte_count = (high << 32) | low; POINTER_RETURN_BYTES: return byte_count; } #endif