diff options
Diffstat (limited to 'sound/soc/amd/acp/acp-i2s.c')
| -rw-r--r-- | sound/soc/amd/acp/acp-i2s.c | 699 |
1 files changed, 699 insertions, 0 deletions
diff --git a/sound/soc/amd/acp/acp-i2s.c b/sound/soc/amd/acp/acp-i2s.c new file mode 100644 index 000000000000..4ba0a66981ea --- /dev/null +++ b/sound/soc/amd/acp/acp-i2s.c @@ -0,0 +1,699 @@ +// 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. +// +// Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com> +// + +/* + * Generic Hardware interface for ACP Audio I2S controller + */ + +#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/bitfield.h> + +#include "amd.h" + +#define DRV_NAME "acp_i2s_playcap" +#define I2S_MASTER_MODE_ENABLE 1 +#define LRCLK_DIV_FIELD GENMASK(10, 2) +#define BCLK_DIV_FIELD GENMASK(23, 11) +#define ACP63_LRCLK_DIV_FIELD GENMASK(12, 2) +#define ACP63_BCLK_DIV_FIELD GENMASK(23, 13) + +static inline void acp_set_i2s_clk(struct acp_chip_info *chip, int dai_id) +{ + u32 i2s_clk_reg, val; + + switch (dai_id) { + case I2S_SP_INSTANCE: + i2s_clk_reg = ACP_I2STDM0_MSTRCLKGEN; + break; + case I2S_BT_INSTANCE: + i2s_clk_reg = ACP_I2STDM1_MSTRCLKGEN; + break; + case I2S_HS_INSTANCE: + i2s_clk_reg = ACP_I2STDM2_MSTRCLKGEN; + break; + default: + i2s_clk_reg = ACP_I2STDM0_MSTRCLKGEN; + break; + } + + val = I2S_MASTER_MODE_ENABLE; + if (chip->tdm_mode) + val |= BIT(1); + + switch (chip->acp_rev) { + case ACP63_PCI_ID: + case ACP70_PCI_ID: + case ACP71_PCI_ID: + case ACP72_PCI_ID: + val |= FIELD_PREP(ACP63_LRCLK_DIV_FIELD, chip->lrclk_div); + val |= FIELD_PREP(ACP63_BCLK_DIV_FIELD, chip->bclk_div); + break; + default: + val |= FIELD_PREP(LRCLK_DIV_FIELD, chip->lrclk_div); + val |= FIELD_PREP(BCLK_DIV_FIELD, chip->bclk_div); + } + writel(val, chip->base + i2s_clk_reg); +} + +static int acp_i2s_set_fmt(struct snd_soc_dai *cpu_dai, + unsigned int fmt) +{ + struct device *dev = cpu_dai->component->dev; + struct acp_chip_info *chip = dev_get_drvdata(dev->parent); + int mode; + + mode = fmt & SND_SOC_DAIFMT_FORMAT_MASK; + switch (mode) { + case SND_SOC_DAIFMT_I2S: + chip->tdm_mode = TDM_DISABLE; + break; + case SND_SOC_DAIFMT_DSP_A: + chip->tdm_mode = TDM_ENABLE; + break; + default: + return -EINVAL; + } + return 0; +} + +static int acp_i2s_set_tdm_slot(struct snd_soc_dai *dai, u32 tx_mask, u32 rx_mask, + int slots, int slot_width) +{ + struct device *dev = dai->component->dev; + struct acp_chip_info *chip; + struct acp_stream *stream; + int slot_len, no_of_slots; + + chip = dev_get_drvdata(dev->parent); + switch (slot_width) { + case SLOT_WIDTH_8: + slot_len = 8; + break; + case SLOT_WIDTH_16: + slot_len = 16; + break; + case SLOT_WIDTH_24: + slot_len = 24; + break; + case SLOT_WIDTH_32: + slot_len = 0; + break; + default: + dev_err(dev, "Unsupported bitdepth %d\n", slot_width); + return -EINVAL; + } + + switch (chip->acp_rev) { + case ACP_RN_PCI_ID: + case ACP_RMB_PCI_ID: + switch (slots) { + case 1 ... 7: + no_of_slots = slots; + break; + case 8: + no_of_slots = 0; + break; + default: + dev_err(dev, "Unsupported slots %d\n", slots); + return -EINVAL; + } + break; + case ACP63_PCI_ID: + case ACP70_PCI_ID: + case ACP71_PCI_ID: + case ACP72_PCI_ID: + switch (slots) { + case 1 ... 31: + no_of_slots = slots; + break; + case 32: + no_of_slots = 0; + break; + default: + dev_err(dev, "Unsupported slots %d\n", slots); + return -EINVAL; + } + break; + default: + dev_err(dev, "Unknown chip revision %d\n", chip->acp_rev); + return -EINVAL; + } + + slots = no_of_slots; + + spin_lock_irq(&chip->acp_lock); + list_for_each_entry(stream, &chip->stream_list, list) { + switch (chip->acp_rev) { + case ACP_RN_PCI_ID: + case ACP_RMB_PCI_ID: + if (tx_mask && stream->dir == SNDRV_PCM_STREAM_PLAYBACK) + chip->tdm_tx_fmt[stream->dai_id - 1] = + FRM_LEN | (slots << 15) | (slot_len << 18); + else if (rx_mask && stream->dir == SNDRV_PCM_STREAM_CAPTURE) + chip->tdm_rx_fmt[stream->dai_id - 1] = + FRM_LEN | (slots << 15) | (slot_len << 18); + break; + case ACP63_PCI_ID: + case ACP70_PCI_ID: + case ACP71_PCI_ID: + case ACP72_PCI_ID: + if (tx_mask && stream->dir == SNDRV_PCM_STREAM_PLAYBACK) + chip->tdm_tx_fmt[stream->dai_id - 1] = + FRM_LEN | (slots << 13) | (slot_len << 18); + else if (rx_mask && stream->dir == SNDRV_PCM_STREAM_CAPTURE) + chip->tdm_rx_fmt[stream->dai_id - 1] = + FRM_LEN | (slots << 13) | (slot_len << 18); + break; + default: + dev_err(dev, "Unknown chip revision %d\n", chip->acp_rev); + spin_unlock_irq(&chip->acp_lock); + return -EINVAL; + } + } + spin_unlock_irq(&chip->acp_lock); + return 0; +} + +static int acp_i2s_hwparams(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct device *dev = dai->component->dev; + struct acp_chip_info *chip; + struct acp_resource *rsrc; + u32 val; + u32 xfer_resolution; + u32 reg_val, fmt_reg, tdm_fmt; + u32 lrclk_div_val, bclk_div_val; + + chip = dev_get_drvdata(dev->parent); + rsrc = chip->rsrc; + + /* These values are as per Hardware Spec */ + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_U8: + case SNDRV_PCM_FORMAT_S8: + xfer_resolution = 0x0; + break; + case SNDRV_PCM_FORMAT_S16_LE: + xfer_resolution = 0x02; + break; + case SNDRV_PCM_FORMAT_S24_LE: + xfer_resolution = 0x04; + break; + case SNDRV_PCM_FORMAT_S32_LE: + xfer_resolution = 0x05; + break; + default: + return -EINVAL; + } + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + switch (dai->driver->id) { + case I2S_BT_INSTANCE: + reg_val = ACP_BTTDM_ITER; + fmt_reg = ACP_BTTDM_TXFRMT; + break; + case I2S_SP_INSTANCE: + reg_val = ACP_I2STDM_ITER; + fmt_reg = ACP_I2STDM_TXFRMT; + break; + case I2S_HS_INSTANCE: + reg_val = ACP_HSTDM_ITER; + fmt_reg = ACP_HSTDM_TXFRMT; + break; + default: + dev_err(dev, "Invalid dai id %x\n", dai->driver->id); + return -EINVAL; + } + chip->xfer_tx_resolution[dai->driver->id - 1] = xfer_resolution; + } else { + switch (dai->driver->id) { + case I2S_BT_INSTANCE: + reg_val = ACP_BTTDM_IRER; + fmt_reg = ACP_BTTDM_RXFRMT; + break; + case I2S_SP_INSTANCE: + reg_val = ACP_I2STDM_IRER; + fmt_reg = ACP_I2STDM_RXFRMT; + break; + case I2S_HS_INSTANCE: + reg_val = ACP_HSTDM_IRER; + fmt_reg = ACP_HSTDM_RXFRMT; + break; + default: + dev_err(dev, "Invalid dai id %x\n", dai->driver->id); + return -EINVAL; + } + chip->xfer_rx_resolution[dai->driver->id - 1] = xfer_resolution; + } + + val = readl(chip->base + reg_val); + val &= ~ACP3x_ITER_IRER_SAMP_LEN_MASK; + val = val | (xfer_resolution << 3); + writel(val, chip->base + reg_val); + + if (chip->tdm_mode) { + val = readl(chip->base + reg_val); + writel(val | BIT(1), chip->base + reg_val); + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + tdm_fmt = chip->tdm_tx_fmt[dai->driver->id - 1]; + else + tdm_fmt = chip->tdm_rx_fmt[dai->driver->id - 1]; + writel(tdm_fmt, chip->base + fmt_reg); + } + + if (rsrc->soc_mclk) { + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S16_LE: + switch (params_rate(params)) { + case 8000: + bclk_div_val = 768; + break; + case 16000: + bclk_div_val = 384; + break; + case 24000: + bclk_div_val = 256; + break; + case 32000: + bclk_div_val = 192; + break; + case 44100: + case 48000: + bclk_div_val = 128; + break; + case 88200: + case 96000: + bclk_div_val = 64; + break; + case 192000: + bclk_div_val = 32; + break; + default: + return -EINVAL; + } + lrclk_div_val = 32; + break; + case SNDRV_PCM_FORMAT_S32_LE: + switch (params_rate(params)) { + case 8000: + bclk_div_val = 384; + break; + case 16000: + bclk_div_val = 192; + break; + case 24000: + bclk_div_val = 128; + break; + case 32000: + bclk_div_val = 96; + break; + case 44100: + case 48000: + bclk_div_val = 64; + break; + case 88200: + case 96000: + bclk_div_val = 32; + break; + case 192000: + bclk_div_val = 16; + break; + default: + return -EINVAL; + } + lrclk_div_val = 64; + break; + default: + return -EINVAL; + } + + switch (params_rate(params)) { + case 8000: + case 16000: + case 24000: + case 48000: + case 96000: + case 192000: + switch (params_channels(params)) { + case 2: + break; + case 4: + bclk_div_val = bclk_div_val >> 1; + lrclk_div_val = lrclk_div_val << 1; + break; + case 8: + bclk_div_val = bclk_div_val >> 2; + lrclk_div_val = lrclk_div_val << 2; + break; + case 16: + bclk_div_val = bclk_div_val >> 3; + lrclk_div_val = lrclk_div_val << 3; + break; + case 32: + bclk_div_val = bclk_div_val >> 4; + lrclk_div_val = lrclk_div_val << 4; + break; + default: + dev_err(dev, "Unsupported channels %#x\n", + params_channels(params)); + } + break; + default: + break; + } + chip->lrclk_div = lrclk_div_val; + chip->bclk_div = bclk_div_val; + } + return 0; +} + +static int acp_i2s_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) +{ + struct acp_stream *stream = substream->runtime->private_data; + struct device *dev = dai->component->dev; + struct acp_chip_info *chip = dev_get_drvdata(dev->parent); + struct acp_resource *rsrc = chip->rsrc; + u32 val, period_bytes, reg_val, ier_val, water_val, buf_size, buf_reg; + + period_bytes = frames_to_bytes(substream->runtime, substream->runtime->period_size); + buf_size = frames_to_bytes(substream->runtime, substream->runtime->buffer_size); + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + stream->bytescount = acp_get_byte_count(chip, stream->dai_id, substream->stream); + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + switch (dai->driver->id) { + case I2S_BT_INSTANCE: + water_val = ACP_BT_TX_INTR_WATERMARK_SIZE(chip); + reg_val = ACP_BTTDM_ITER; + ier_val = ACP_BTTDM_IER; + buf_reg = ACP_BT_TX_RINGBUFSIZE(chip); + break; + case I2S_SP_INSTANCE: + water_val = ACP_I2S_TX_INTR_WATERMARK_SIZE(chip); + reg_val = ACP_I2STDM_ITER; + ier_val = ACP_I2STDM_IER; + buf_reg = ACP_I2S_TX_RINGBUFSIZE(chip); + break; + case I2S_HS_INSTANCE: + water_val = ACP_HS_TX_INTR_WATERMARK_SIZE; + reg_val = ACP_HSTDM_ITER; + ier_val = ACP_HSTDM_IER; + buf_reg = ACP_HS_TX_RINGBUFSIZE; + break; + default: + dev_err(dev, "Invalid dai id %x\n", dai->driver->id); + return -EINVAL; + } + } else { + switch (dai->driver->id) { + case I2S_BT_INSTANCE: + water_val = ACP_BT_RX_INTR_WATERMARK_SIZE(chip); + reg_val = ACP_BTTDM_IRER; + ier_val = ACP_BTTDM_IER; + buf_reg = ACP_BT_RX_RINGBUFSIZE(chip); + break; + case I2S_SP_INSTANCE: + water_val = ACP_I2S_RX_INTR_WATERMARK_SIZE(chip); + reg_val = ACP_I2STDM_IRER; + ier_val = ACP_I2STDM_IER; + buf_reg = ACP_I2S_RX_RINGBUFSIZE(chip); + break; + case I2S_HS_INSTANCE: + water_val = ACP_HS_RX_INTR_WATERMARK_SIZE; + reg_val = ACP_HSTDM_IRER; + ier_val = ACP_HSTDM_IER; + buf_reg = ACP_HS_RX_RINGBUFSIZE; + break; + default: + dev_err(dev, "Invalid dai id %x\n", dai->driver->id); + return -EINVAL; + } + } + + writel(period_bytes, chip->base + water_val); + writel(buf_size, chip->base + buf_reg); + if (rsrc->soc_mclk) + acp_set_i2s_clk(chip, dai->driver->id); + val = readl(chip->base + reg_val); + val = val | BIT(0); + writel(val, chip->base + reg_val); + writel(1, chip->base + ier_val); + return 0; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + switch (dai->driver->id) { + case I2S_BT_INSTANCE: + reg_val = ACP_BTTDM_ITER; + break; + case I2S_SP_INSTANCE: + reg_val = ACP_I2STDM_ITER; + break; + case I2S_HS_INSTANCE: + reg_val = ACP_HSTDM_ITER; + break; + default: + dev_err(dev, "Invalid dai id %x\n", dai->driver->id); + return -EINVAL; + } + + } else { + switch (dai->driver->id) { + case I2S_BT_INSTANCE: + reg_val = ACP_BTTDM_IRER; + break; + case I2S_SP_INSTANCE: + reg_val = ACP_I2STDM_IRER; + break; + case I2S_HS_INSTANCE: + reg_val = ACP_HSTDM_IRER; + break; + default: + dev_err(dev, "Invalid dai id %x\n", dai->driver->id); + return -EINVAL; + } + } + val = readl(chip->base + reg_val); + val = val & ~BIT(0); + writel(val, chip->base + reg_val); + + if (!(readl(chip->base + ACP_BTTDM_ITER) & BIT(0)) && + !(readl(chip->base + ACP_BTTDM_IRER) & BIT(0))) + writel(0, chip->base + ACP_BTTDM_IER); + if (!(readl(chip->base + ACP_I2STDM_ITER) & BIT(0)) && + !(readl(chip->base + ACP_I2STDM_IRER) & BIT(0))) + writel(0, chip->base + ACP_I2STDM_IER); + if (!(readl(chip->base + ACP_HSTDM_ITER) & BIT(0)) && + !(readl(chip->base + ACP_HSTDM_IRER) & BIT(0))) + writel(0, chip->base + ACP_HSTDM_IER); + return 0; + default: + return -EINVAL; + } + + return 0; +} + +static int acp_i2s_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) +{ + struct device *dev = dai->component->dev; + struct acp_chip_info *chip = dev_get_drvdata(dev->parent); + struct acp_resource *rsrc = chip->rsrc; + struct acp_stream *stream = substream->runtime->private_data; + u32 reg_dma_size = 0, reg_fifo_size = 0, reg_fifo_addr = 0; + u32 phy_addr = 0, acp_fifo_addr = 0, ext_int_ctrl; + unsigned int dir = substream->stream; + + switch (dai->driver->id) { + case I2S_SP_INSTANCE: + if (dir == SNDRV_PCM_STREAM_PLAYBACK) { + reg_dma_size = ACP_I2S_TX_DMA_SIZE(chip); + acp_fifo_addr = rsrc->sram_pte_offset + + SP_PB_FIFO_ADDR_OFFSET; + reg_fifo_addr = ACP_I2S_TX_FIFOADDR(chip); + reg_fifo_size = ACP_I2S_TX_FIFOSIZE(chip); + + if (chip->acp_rev >= ACP70_PCI_ID) + phy_addr = ACP7x_I2S_SP_TX_MEM_WINDOW_START; + else + phy_addr = I2S_SP_TX_MEM_WINDOW_START + stream->reg_offset; + writel(phy_addr, chip->base + ACP_I2S_TX_RINGBUFADDR(chip)); + } else { + reg_dma_size = ACP_I2S_RX_DMA_SIZE(chip); + acp_fifo_addr = rsrc->sram_pte_offset + + SP_CAPT_FIFO_ADDR_OFFSET; + reg_fifo_addr = ACP_I2S_RX_FIFOADDR(chip); + reg_fifo_size = ACP_I2S_RX_FIFOSIZE(chip); + + if (chip->acp_rev >= ACP70_PCI_ID) + phy_addr = ACP7x_I2S_SP_RX_MEM_WINDOW_START; + else + phy_addr = I2S_SP_RX_MEM_WINDOW_START + stream->reg_offset; + writel(phy_addr, chip->base + ACP_I2S_RX_RINGBUFADDR(chip)); + } + break; + case I2S_BT_INSTANCE: + if (dir == SNDRV_PCM_STREAM_PLAYBACK) { + reg_dma_size = ACP_BT_TX_DMA_SIZE(chip); + acp_fifo_addr = rsrc->sram_pte_offset + + BT_PB_FIFO_ADDR_OFFSET; + reg_fifo_addr = ACP_BT_TX_FIFOADDR(chip); + reg_fifo_size = ACP_BT_TX_FIFOSIZE(chip); + + if (chip->acp_rev >= ACP70_PCI_ID) + phy_addr = ACP7x_I2S_BT_TX_MEM_WINDOW_START; + else + phy_addr = I2S_BT_TX_MEM_WINDOW_START + stream->reg_offset; + writel(phy_addr, chip->base + ACP_BT_TX_RINGBUFADDR(chip)); + } else { + reg_dma_size = ACP_BT_RX_DMA_SIZE(chip); + acp_fifo_addr = rsrc->sram_pte_offset + + BT_CAPT_FIFO_ADDR_OFFSET; + reg_fifo_addr = ACP_BT_RX_FIFOADDR(chip); + reg_fifo_size = ACP_BT_RX_FIFOSIZE(chip); + + if (chip->acp_rev >= ACP70_PCI_ID) + phy_addr = ACP7x_I2S_BT_RX_MEM_WINDOW_START; + else + phy_addr = I2S_BT_TX_MEM_WINDOW_START + stream->reg_offset; + writel(phy_addr, chip->base + ACP_BT_RX_RINGBUFADDR(chip)); + } + break; + case I2S_HS_INSTANCE: + if (dir == SNDRV_PCM_STREAM_PLAYBACK) { + reg_dma_size = ACP_HS_TX_DMA_SIZE; + acp_fifo_addr = rsrc->sram_pte_offset + + HS_PB_FIFO_ADDR_OFFSET; + reg_fifo_addr = ACP_HS_TX_FIFOADDR; + reg_fifo_size = ACP_HS_TX_FIFOSIZE; + + if (chip->acp_rev >= ACP70_PCI_ID) + phy_addr = ACP7x_I2S_HS_TX_MEM_WINDOW_START; + else + phy_addr = I2S_HS_TX_MEM_WINDOW_START + stream->reg_offset; + writel(phy_addr, chip->base + ACP_HS_TX_RINGBUFADDR); + } else { + reg_dma_size = ACP_HS_RX_DMA_SIZE; + acp_fifo_addr = rsrc->sram_pte_offset + + HS_CAPT_FIFO_ADDR_OFFSET; + reg_fifo_addr = ACP_HS_RX_FIFOADDR; + reg_fifo_size = ACP_HS_RX_FIFOSIZE; + + if (chip->acp_rev >= ACP70_PCI_ID) + phy_addr = ACP7x_I2S_HS_RX_MEM_WINDOW_START; + else + phy_addr = I2S_HS_RX_MEM_WINDOW_START + stream->reg_offset; + writel(phy_addr, chip->base + ACP_HS_RX_RINGBUFADDR); + } + break; + default: + dev_err(dev, "Invalid dai id %x\n", dai->driver->id); + return -EINVAL; + } + + writel(DMA_SIZE, chip->base + reg_dma_size); + writel(acp_fifo_addr, chip->base + reg_fifo_addr); + writel(FIFO_SIZE, chip->base + reg_fifo_size); + + ext_int_ctrl = readl(ACP_EXTERNAL_INTR_CNTL(chip, rsrc->irqp_used)); + ext_int_ctrl |= BIT(I2S_RX_THRESHOLD(rsrc->offset)) | + BIT(BT_RX_THRESHOLD(rsrc->offset)) | + BIT(I2S_TX_THRESHOLD(rsrc->offset)) | + BIT(BT_TX_THRESHOLD(rsrc->offset)) | + BIT(HS_RX_THRESHOLD(rsrc->offset)) | + BIT(HS_TX_THRESHOLD(rsrc->offset)); + + writel(ext_int_ctrl, ACP_EXTERNAL_INTR_CNTL(chip, rsrc->irqp_used)); + + return 0; +} + +static int acp_i2s_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) +{ + struct acp_stream *stream = substream->runtime->private_data; + struct device *dev = dai->component->dev; + struct acp_chip_info *chip = dev_get_drvdata(dev->parent); + struct acp_resource *rsrc = chip->rsrc; + unsigned int dir = substream->stream; + unsigned int irq_bit = 0; + + switch (dai->driver->id) { + case I2S_SP_INSTANCE: + if (dir == SNDRV_PCM_STREAM_PLAYBACK) { + irq_bit = BIT(I2S_TX_THRESHOLD(rsrc->offset)); + stream->pte_offset = ACP_SRAM_SP_PB_PTE_OFFSET; + stream->fifo_offset = SP_PB_FIFO_ADDR_OFFSET; + } else { + irq_bit = BIT(I2S_RX_THRESHOLD(rsrc->offset)); + stream->pte_offset = ACP_SRAM_SP_CP_PTE_OFFSET; + stream->fifo_offset = SP_CAPT_FIFO_ADDR_OFFSET; + } + break; + case I2S_BT_INSTANCE: + if (dir == SNDRV_PCM_STREAM_PLAYBACK) { + irq_bit = BIT(BT_TX_THRESHOLD(rsrc->offset)); + stream->pte_offset = ACP_SRAM_BT_PB_PTE_OFFSET; + stream->fifo_offset = BT_PB_FIFO_ADDR_OFFSET; + } else { + irq_bit = BIT(BT_RX_THRESHOLD(rsrc->offset)); + stream->pte_offset = ACP_SRAM_BT_CP_PTE_OFFSET; + stream->fifo_offset = BT_CAPT_FIFO_ADDR_OFFSET; + } + break; + case I2S_HS_INSTANCE: + if (dir == SNDRV_PCM_STREAM_PLAYBACK) { + irq_bit = BIT(HS_TX_THRESHOLD(rsrc->offset)); + stream->pte_offset = ACP_SRAM_HS_PB_PTE_OFFSET; + stream->fifo_offset = HS_PB_FIFO_ADDR_OFFSET; + } else { + irq_bit = BIT(HS_RX_THRESHOLD(rsrc->offset)); + stream->pte_offset = ACP_SRAM_HS_CP_PTE_OFFSET; + stream->fifo_offset = HS_CAPT_FIFO_ADDR_OFFSET; + } + break; + default: + dev_err(dev, "Invalid dai id %x\n", dai->driver->id); + return -EINVAL; + } + + /* Save runtime dai configuration in stream */ + stream->id = dai->driver->id + dir; + stream->dai_id = dai->driver->id; + stream->irq_bit = irq_bit; + stream->dir = substream->stream; + + return 0; +} + +const struct snd_soc_dai_ops asoc_acp_cpu_dai_ops = { + .startup = acp_i2s_startup, + .hw_params = acp_i2s_hwparams, + .prepare = acp_i2s_prepare, + .trigger = acp_i2s_trigger, + .set_fmt = acp_i2s_set_fmt, + .set_tdm_slot = acp_i2s_set_tdm_slot, +}; +EXPORT_SYMBOL_NS_GPL(asoc_acp_cpu_dai_ops, "SND_SOC_ACP_COMMON"); + +MODULE_DESCRIPTION("AMD ACP Audio I2S controller"); +MODULE_LICENSE("Dual BSD/GPL"); +MODULE_ALIAS(DRV_NAME); |
