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- /* SPDX-License-Identifier: GPL-2.0 */
- /*
- * NXP AUDMIX ALSA SoC Digital Audio Interface (DAI) driver
- *
- * Copyright 2017 NXP
- */
- #ifndef __FSL_AUDMIX_H
- #define __FSL_AUDMIX_H
- #define FSL_AUDMIX_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
- SNDRV_PCM_FMTBIT_S24_LE |\
- SNDRV_PCM_FMTBIT_S32_LE)
- /* AUDMIX Registers */
- #define FSL_AUDMIX_CTR 0x200 /* Control */
- #define FSL_AUDMIX_STR 0x204 /* Status */
- #define FSL_AUDMIX_ATCR0 0x208 /* Attenuation Control */
- #define FSL_AUDMIX_ATIVAL0 0x20c /* Attenuation Initial Value */
- #define FSL_AUDMIX_ATSTPUP0 0x210 /* Attenuation step up factor */
- #define FSL_AUDMIX_ATSTPDN0 0x214 /* Attenuation step down factor */
- #define FSL_AUDMIX_ATSTPTGT0 0x218 /* Attenuation step target */
- #define FSL_AUDMIX_ATTNVAL0 0x21c /* Attenuation Value */
- #define FSL_AUDMIX_ATSTP0 0x220 /* Attenuation step number */
- #define FSL_AUDMIX_ATCR1 0x228 /* Attenuation Control */
- #define FSL_AUDMIX_ATIVAL1 0x22c /* Attenuation Initial Value */
- #define FSL_AUDMIX_ATSTPUP1 0x230 /* Attenuation step up factor */
- #define FSL_AUDMIX_ATSTPDN1 0x234 /* Attenuation step down factor */
- #define FSL_AUDMIX_ATSTPTGT1 0x238 /* Attenuation step target */
- #define FSL_AUDMIX_ATTNVAL1 0x23c /* Attenuation Value */
- #define FSL_AUDMIX_ATSTP1 0x240 /* Attenuation step number */
- /* AUDMIX Control Register */
- #define FSL_AUDMIX_CTR_MIXCLK_SHIFT 0
- #define FSL_AUDMIX_CTR_MIXCLK_MASK BIT(FSL_AUDMIX_CTR_MIXCLK_SHIFT)
- #define FSL_AUDMIX_CTR_MIXCLK(i) ((i) << FSL_AUDMIX_CTR_MIXCLK_SHIFT)
- #define FSL_AUDMIX_CTR_OUTSRC_SHIFT 1
- #define FSL_AUDMIX_CTR_OUTSRC_MASK (0x3 << FSL_AUDMIX_CTR_OUTSRC_SHIFT)
- #define FSL_AUDMIX_CTR_OUTSRC(i) (((i) << FSL_AUDMIX_CTR_OUTSRC_SHIFT)\
- & FSL_AUDMIX_CTR_OUTSRC_MASK)
- #define FSL_AUDMIX_CTR_OUTWIDTH_SHIFT 3
- #define FSL_AUDMIX_CTR_OUTWIDTH_MASK (0x7 << FSL_AUDMIX_CTR_OUTWIDTH_SHIFT)
- #define FSL_AUDMIX_CTR_OUTWIDTH(i) (((i) << FSL_AUDMIX_CTR_OUTWIDTH_SHIFT)\
- & FSL_AUDMIX_CTR_OUTWIDTH_MASK)
- #define FSL_AUDMIX_CTR_OUTCKPOL_SHIFT 6
- #define FSL_AUDMIX_CTR_OUTCKPOL_MASK BIT(FSL_AUDMIX_CTR_OUTCKPOL_SHIFT)
- #define FSL_AUDMIX_CTR_OUTCKPOL(i) ((i) << FSL_AUDMIX_CTR_OUTCKPOL_SHIFT)
- #define FSL_AUDMIX_CTR_MASKRTDF_SHIFT 7
- #define FSL_AUDMIX_CTR_MASKRTDF_MASK BIT(FSL_AUDMIX_CTR_MASKRTDF_SHIFT)
- #define FSL_AUDMIX_CTR_MASKRTDF(i) ((i) << FSL_AUDMIX_CTR_MASKRTDF_SHIFT)
- #define FSL_AUDMIX_CTR_MASKCKDF_SHIFT 8
- #define FSL_AUDMIX_CTR_MASKCKDF_MASK BIT(FSL_AUDMIX_CTR_MASKCKDF_SHIFT)
- #define FSL_AUDMIX_CTR_MASKCKDF(i) ((i) << FSL_AUDMIX_CTR_MASKCKDF_SHIFT)
- #define FSL_AUDMIX_CTR_SYNCMODE_SHIFT 9
- #define FSL_AUDMIX_CTR_SYNCMODE_MASK BIT(FSL_AUDMIX_CTR_SYNCMODE_SHIFT)
- #define FSL_AUDMIX_CTR_SYNCMODE(i) ((i) << FSL_AUDMIX_CTR_SYNCMODE_SHIFT)
- #define FSL_AUDMIX_CTR_SYNCSRC_SHIFT 10
- #define FSL_AUDMIX_CTR_SYNCSRC_MASK BIT(FSL_AUDMIX_CTR_SYNCSRC_SHIFT)
- #define FSL_AUDMIX_CTR_SYNCSRC(i) ((i) << FSL_AUDMIX_CTR_SYNCSRC_SHIFT)
- /* AUDMIX Status Register */
- #define FSL_AUDMIX_STR_RATEDIFF BIT(0)
- #define FSL_AUDMIX_STR_CLKDIFF BIT(1)
- #define FSL_AUDMIX_STR_MIXSTAT_SHIFT 2
- #define FSL_AUDMIX_STR_MIXSTAT_MASK (0x3 << FSL_AUDMIX_STR_MIXSTAT_SHIFT)
- #define FSL_AUDMIX_STR_MIXSTAT(i) (((i) & FSL_AUDMIX_STR_MIXSTAT_MASK) \
- >> FSL_AUDMIX_STR_MIXSTAT_SHIFT)
- /* AUDMIX Attenuation Control Register */
- #define FSL_AUDMIX_ATCR_AT_EN BIT(0)
- #define FSL_AUDMIX_ATCR_AT_UPDN BIT(1)
- #define FSL_AUDMIX_ATCR_ATSTPDIF_SHIFT 2
- #define FSL_AUDMIX_ATCR_ATSTPDFI_MASK \
- (0xfff << FSL_AUDMIX_ATCR_ATSTPDIF_SHIFT)
- /* AUDMIX Attenuation Initial Value Register */
- #define FSL_AUDMIX_ATIVAL_ATINVAL_MASK 0x3FFFF
- /* AUDMIX Attenuation Step Up Factor Register */
- #define FSL_AUDMIX_ATSTPUP_ATSTEPUP_MASK 0x3FFFF
- /* AUDMIX Attenuation Step Down Factor Register */
- #define FSL_AUDMIX_ATSTPDN_ATSTEPDN_MASK 0x3FFFF
- /* AUDMIX Attenuation Step Target Register */
- #define FSL_AUDMIX_ATSTPTGT_ATSTPTG_MASK 0x3FFFF
- /* AUDMIX Attenuation Value Register */
- #define FSL_AUDMIX_ATTNVAL_ATCURVAL_MASK 0x3FFFF
- /* AUDMIX Attenuation Step Number Register */
- #define FSL_AUDMIX_ATSTP_STPCTR_MASK 0x3FFFF
- #define FSL_AUDMIX_MAX_DAIS 2
- struct fsl_audmix {
- struct platform_device *pdev;
- struct regmap *regmap;
- struct clk *ipg_clk;
- spinlock_t lock; /* Protect tdms */
- u8 tdms;
- };
- #endif /* __FSL_AUDMIX_H */
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