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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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a7664ab29a
Add driver for the Pulse Density Modulation Interface Controller. It comes with digitallly controlled gain, a High-Pass and a SINCC filter. Signed-off-by: Songjun Wu <songjun.wu@atmel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
81 lines
1.8 KiB
C
81 lines
1.8 KiB
C
#ifndef __ATMEL_PDMIC_H_
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#define __ATMEL_PDMIC_H_
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#include <linux/bitops.h>
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#define PDMIC_CR 0x00000000
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#define PDMIC_CR_SWRST 0x1
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#define PDMIC_CR_SWRST_MASK BIT(0)
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#define PDMIC_CR_SWRST_SHIFT (0)
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#define PDMIC_CR_ENPDM_DIS 0x0
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#define PDMIC_CR_ENPDM_EN 0x1
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#define PDMIC_CR_ENPDM_MASK BIT(4)
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#define PDMIC_CR_ENPDM_SHIFT (4)
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#define PDMIC_MR 0x00000004
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#define PDMIC_MR_CLKS_PCK 0x0
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#define PDMIC_MR_CLKS_GCK 0x1
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#define PDMIC_MR_CLKS_MASK BIT(4)
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#define PDMIC_MR_CLKS_SHIFT (4)
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#define PDMIC_MR_PRESCAL_MASK GENMASK(14, 8)
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#define PDMIC_MR_PRESCAL_SHIFT (8)
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#define PDMIC_CDR 0x00000014
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#define PDMIC_IER 0x00000018
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#define PDMIC_IER_OVRE BIT(25)
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#define PDMIC_IDR 0x0000001c
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#define PDMIC_IDR_OVRE BIT(25)
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#define PDMIC_IMR 0x00000020
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#define PDMIC_ISR 0x00000024
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#define PDMIC_ISR_OVRE BIT(25)
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#define PDMIC_DSPR0 0x00000058
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#define PDMIC_DSPR0_HPFBYP_DIS 0x1
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#define PDMIC_DSPR0_HPFBYP_EN 0x0
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#define PDMIC_DSPR0_HPFBYP_MASK BIT(1)
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#define PDMIC_DSPR0_HPFBYP_SHIFT (1)
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#define PDMIC_DSPR0_SINBYP_DIS 0x1
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#define PDMIC_DSPR0_SINBYP_EN 0x0
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#define PDMIC_DSPR0_SINBYP_MASK BIT(2)
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#define PDMIC_DSPR0_SINBYP_SHIFT (2)
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#define PDMIC_DSPR0_SIZE_16_BITS 0x0
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#define PDMIC_DSPR0_SIZE_32_BITS 0x1
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#define PDMIC_DSPR0_SIZE_MASK BIT(3)
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#define PDMIC_DSPR0_SIZE_SHIFT (3)
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#define PDMIC_DSPR0_OSR_128 0x0
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#define PDMIC_DSPR0_OSR_64 0x1
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#define PDMIC_DSPR0_OSR_MASK GENMASK(6, 4)
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#define PDMIC_DSPR0_OSR_SHIFT (4)
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#define PDMIC_DSPR0_SCALE_MASK GENMASK(11, 8)
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#define PDMIC_DSPR0_SCALE_SHIFT (8)
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#define PDMIC_DSPR0_SHIFT_MASK GENMASK(15, 12)
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#define PDMIC_DSPR0_SHIFT_SHIFT (12)
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#define PDMIC_DSPR1 0x0000005c
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#define PDMIC_DSPR1_DGAIN_MASK GENMASK(14, 0)
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#define PDMIC_DSPR1_DGAIN_SHIFT (0)
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#define PDMIC_DSPR1_OFFSET_MASK GENMASK(31, 16)
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#define PDMIC_DSPR1_OFFSET_SHIFT (16)
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#define PDMIC_WPMR 0x000000e4
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#define PDMIC_WPSR 0x000000e8
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#endif
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