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67 lines
2.2 KiB
67 lines
2.2 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Copyright 2020 NXP |
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*/ |
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#ifndef _FSL_AUD2HTX_H |
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#define _FSL_AUD2HTX_H |
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#define FSL_AUD2HTX_FORMATS (SNDRV_PCM_FMTBIT_S24_LE | \ |
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SNDRV_PCM_FMTBIT_S32_LE) |
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/* AUD2HTX Register Map */ |
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#define AUD2HTX_CTRL 0x0 /* AUD2HTX Control Register */ |
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#define AUD2HTX_CTRL_EXT 0x4 /* AUD2HTX Control Extended Register */ |
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#define AUD2HTX_WR 0x8 /* AUD2HTX Write Register */ |
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#define AUD2HTX_STATUS 0xC /* AUD2HTX Status Register */ |
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#define AUD2HTX_IRQ_NOMASK 0x10 /* AUD2HTX Nonmasked Interrupt Flags Register */ |
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#define AUD2HTX_IRQ_MASKED 0x14 /* AUD2HTX Masked Interrupt Flags Register */ |
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#define AUD2HTX_IRQ_MASK 0x18 /* AUD2HTX IRQ Masks Register */ |
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/* AUD2HTX Control Register */ |
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#define AUD2HTX_CTRL_EN BIT(0) |
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/* AUD2HTX Control Extended Register */ |
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#define AUD2HTX_CTRE_DE BIT(0) |
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#define AUD2HTX_CTRE_DT_SHIFT 0x1 |
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#define AUD2HTX_CTRE_DT_WIDTH 0x2 |
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#define AUD2HTX_CTRE_DT_MASK ((BIT(AUD2HTX_CTRE_DT_WIDTH) - 1) \ |
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<< AUD2HTX_CTRE_DT_SHIFT) |
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#define AUD2HTX_CTRE_WL_SHIFT 16 |
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#define AUD2HTX_CTRE_WL_WIDTH 5 |
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#define AUD2HTX_CTRE_WL_MASK ((BIT(AUD2HTX_CTRE_WL_WIDTH) - 1) \ |
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<< AUD2HTX_CTRE_WL_SHIFT) |
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#define AUD2HTX_CTRE_WH_SHIFT 24 |
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#define AUD2HTX_CTRE_WH_WIDTH 5 |
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#define AUD2HTX_CTRE_WH_MASK ((BIT(AUD2HTX_CTRE_WH_WIDTH) - 1) \ |
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<< AUD2HTX_CTRE_WH_SHIFT) |
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/* AUD2HTX IRQ Masks Register */ |
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#define AUD2HTX_WM_HIGH_IRQ_MASK BIT(2) |
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#define AUD2HTX_WM_LOW_IRQ_MASK BIT(1) |
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#define AUD2HTX_OVF_MASK BIT(0) |
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#define AUD2HTX_FIFO_DEPTH 0x20 |
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#define AUD2HTX_WTMK_LOW 0x10 |
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#define AUD2HTX_WTMK_HIGH 0x10 |
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#define AUD2HTX_MAXBURST 0x10 |
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/** |
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* fsl_aud2htx: AUD2HTX private data |
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* |
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* @pdev: platform device pointer |
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* @regmap: regmap handler |
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* @bus_clk: clock source to access register |
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* @dma_params_rx: DMA parameters for receive channel |
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* @dma_params_tx: DMA parameters for transmit channel |
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*/ |
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struct fsl_aud2htx { |
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struct platform_device *pdev; |
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struct regmap *regmap; |
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struct clk *bus_clk; |
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struct snd_dmaengine_dai_dma_data dma_params_rx; |
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struct snd_dmaengine_dai_dma_data dma_params_tx; |
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}; |
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#endif /* _FSL_AUD2HTX_H */
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