1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * NXP AUDMIX ALSA SoC Digital Audio Interface (DAI) driver
4 *
5 * Copyright 2017 NXP
6 */
7
8 #ifndef __FSL_AUDMIX_H
9 #define __FSL_AUDMIX_H
10
11 #define FSL_AUDMIX_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
12 SNDRV_PCM_FMTBIT_S24_LE |\
13 SNDRV_PCM_FMTBIT_S32_LE)
14 /* AUDMIX Registers */
15 #define FSL_AUDMIX_CTR 0x200 /* Control */
16 #define FSL_AUDMIX_STR 0x204 /* Status */
17
18 #define FSL_AUDMIX_ATCR0 0x208 /* Attenuation Control */
19 #define FSL_AUDMIX_ATIVAL0 0x20c /* Attenuation Initial Value */
20 #define FSL_AUDMIX_ATSTPUP0 0x210 /* Attenuation step up factor */
21 #define FSL_AUDMIX_ATSTPDN0 0x214 /* Attenuation step down factor */
22 #define FSL_AUDMIX_ATSTPTGT0 0x218 /* Attenuation step target */
23 #define FSL_AUDMIX_ATTNVAL0 0x21c /* Attenuation Value */
24 #define FSL_AUDMIX_ATSTP0 0x220 /* Attenuation step number */
25
26 #define FSL_AUDMIX_ATCR1 0x228 /* Attenuation Control */
27 #define FSL_AUDMIX_ATIVAL1 0x22c /* Attenuation Initial Value */
28 #define FSL_AUDMIX_ATSTPUP1 0x230 /* Attenuation step up factor */
29 #define FSL_AUDMIX_ATSTPDN1 0x234 /* Attenuation step down factor */
30 #define FSL_AUDMIX_ATSTPTGT1 0x238 /* Attenuation step target */
31 #define FSL_AUDMIX_ATTNVAL1 0x23c /* Attenuation Value */
32 #define FSL_AUDMIX_ATSTP1 0x240 /* Attenuation step number */
33
34 /* AUDMIX Control Register */
35 #define FSL_AUDMIX_CTR_MIXCLK_SHIFT 0
36 #define FSL_AUDMIX_CTR_MIXCLK_MASK BIT(FSL_AUDMIX_CTR_MIXCLK_SHIFT)
37 #define FSL_AUDMIX_CTR_MIXCLK(i) ((i) << FSL_AUDMIX_CTR_MIXCLK_SHIFT)
38 #define FSL_AUDMIX_CTR_OUTSRC_SHIFT 1
39 #define FSL_AUDMIX_CTR_OUTSRC_MASK (0x3 << FSL_AUDMIX_CTR_OUTSRC_SHIFT)
40 #define FSL_AUDMIX_CTR_OUTSRC(i) (((i) << FSL_AUDMIX_CTR_OUTSRC_SHIFT)\
41 & FSL_AUDMIX_CTR_OUTSRC_MASK)
42 #define FSL_AUDMIX_CTR_OUTWIDTH_SHIFT 3
43 #define FSL_AUDMIX_CTR_OUTWIDTH_MASK (0x7 << FSL_AUDMIX_CTR_OUTWIDTH_SHIFT)
44 #define FSL_AUDMIX_CTR_OUTWIDTH(i) (((i) << FSL_AUDMIX_CTR_OUTWIDTH_SHIFT)\
45 & FSL_AUDMIX_CTR_OUTWIDTH_MASK)
46 #define FSL_AUDMIX_CTR_OUTCKPOL_SHIFT 6
47 #define FSL_AUDMIX_CTR_OUTCKPOL_MASK BIT(FSL_AUDMIX_CTR_OUTCKPOL_SHIFT)
48 #define FSL_AUDMIX_CTR_OUTCKPOL(i) ((i) << FSL_AUDMIX_CTR_OUTCKPOL_SHIFT)
49 #define FSL_AUDMIX_CTR_MASKRTDF_SHIFT 7
50 #define FSL_AUDMIX_CTR_MASKRTDF_MASK BIT(FSL_AUDMIX_CTR_MASKRTDF_SHIFT)
51 #define FSL_AUDMIX_CTR_MASKRTDF(i) ((i) << FSL_AUDMIX_CTR_MASKRTDF_SHIFT)
52 #define FSL_AUDMIX_CTR_MASKCKDF_SHIFT 8
53 #define FSL_AUDMIX_CTR_MASKCKDF_MASK BIT(FSL_AUDMIX_CTR_MASKCKDF_SHIFT)
54 #define FSL_AUDMIX_CTR_MASKCKDF(i) ((i) << FSL_AUDMIX_CTR_MASKCKDF_SHIFT)
55 #define FSL_AUDMIX_CTR_SYNCMODE_SHIFT 9
56 #define FSL_AUDMIX_CTR_SYNCMODE_MASK BIT(FSL_AUDMIX_CTR_SYNCMODE_SHIFT)
57 #define FSL_AUDMIX_CTR_SYNCMODE(i) ((i) << FSL_AUDMIX_CTR_SYNCMODE_SHIFT)
58 #define FSL_AUDMIX_CTR_SYNCSRC_SHIFT 10
59 #define FSL_AUDMIX_CTR_SYNCSRC_MASK BIT(FSL_AUDMIX_CTR_SYNCSRC_SHIFT)
60 #define FSL_AUDMIX_CTR_SYNCSRC(i) ((i) << FSL_AUDMIX_CTR_SYNCSRC_SHIFT)
61
62 /* AUDMIX Status Register */
63 #define FSL_AUDMIX_STR_RATEDIFF BIT(0)
64 #define FSL_AUDMIX_STR_CLKDIFF BIT(1)
65 #define FSL_AUDMIX_STR_MIXSTAT_SHIFT 2
66 #define FSL_AUDMIX_STR_MIXSTAT_MASK (0x3 << FSL_AUDMIX_STR_MIXSTAT_SHIFT)
67 #define FSL_AUDMIX_STR_MIXSTAT(i) (((i) & FSL_AUDMIX_STR_MIXSTAT_MASK) \
68 >> FSL_AUDMIX_STR_MIXSTAT_SHIFT)
69 /* AUDMIX Attenuation Control Register */
70 #define FSL_AUDMIX_ATCR_AT_EN BIT(0)
71 #define FSL_AUDMIX_ATCR_AT_UPDN BIT(1)
72 #define FSL_AUDMIX_ATCR_ATSTPDIF_SHIFT 2
73 #define FSL_AUDMIX_ATCR_ATSTPDFI_MASK \
74 (0xfff << FSL_AUDMIX_ATCR_ATSTPDIF_SHIFT)
75
76 /* AUDMIX Attenuation Initial Value Register */
77 #define FSL_AUDMIX_ATIVAL_ATINVAL_MASK 0x3FFFF
78
79 /* AUDMIX Attenuation Step Up Factor Register */
80 #define FSL_AUDMIX_ATSTPUP_ATSTEPUP_MASK 0x3FFFF
81
82 /* AUDMIX Attenuation Step Down Factor Register */
83 #define FSL_AUDMIX_ATSTPDN_ATSTEPDN_MASK 0x3FFFF
84
85 /* AUDMIX Attenuation Step Target Register */
86 #define FSL_AUDMIX_ATSTPTGT_ATSTPTG_MASK 0x3FFFF
87
88 /* AUDMIX Attenuation Value Register */
89 #define FSL_AUDMIX_ATTNVAL_ATCURVAL_MASK 0x3FFFF
90
91 /* AUDMIX Attenuation Step Number Register */
92 #define FSL_AUDMIX_ATSTP_STPCTR_MASK 0x3FFFF
93
94 #define FSL_AUDMIX_MAX_DAIS 2
95 struct fsl_audmix {
96 struct platform_device *pdev;
97 struct regmap *regmap;
98 struct clk *ipg_clk;
99 spinlock_t lock; /* Protect tdms */
100 u8 tdms;
101 };
102
103 #endif /* __FSL_AUDMIX_H */
104
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