From a7664ab29af7d7eca57ae525b5063f71fa006ff4 Mon Sep 17 00:00:00 2001 From: Songjun Wu Date: Thu, 17 Dec 2015 17:49:59 +0800 Subject: ASoC: atmel-pdmic: add the Pulse Density Modulation Interface Controller 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 Signed-off-by: Mark Brown --- sound/soc/atmel/atmel-pdmic.h | 80 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 sound/soc/atmel/atmel-pdmic.h (limited to 'sound/soc/atmel/atmel-pdmic.h') diff --git a/sound/soc/atmel/atmel-pdmic.h b/sound/soc/atmel/atmel-pdmic.h new file mode 100644 index 0000000..4527ac7 --- /dev/null +++ b/sound/soc/atmel/atmel-pdmic.h @@ -0,0 +1,80 @@ +#ifndef __ATMEL_PDMIC_H_ +#define __ATMEL_PDMIC_H_ + +#include + +#define PDMIC_CR 0x00000000 + +#define PDMIC_CR_SWRST 0x1 +#define PDMIC_CR_SWRST_MASK BIT(0) +#define PDMIC_CR_SWRST_SHIFT (0) + +#define PDMIC_CR_ENPDM_DIS 0x0 +#define PDMIC_CR_ENPDM_EN 0x1 +#define PDMIC_CR_ENPDM_MASK BIT(4) +#define PDMIC_CR_ENPDM_SHIFT (4) + +#define PDMIC_MR 0x00000004 + +#define PDMIC_MR_CLKS_PCK 0x0 +#define PDMIC_MR_CLKS_GCK 0x1 +#define PDMIC_MR_CLKS_MASK BIT(4) +#define PDMIC_MR_CLKS_SHIFT (4) + +#define PDMIC_MR_PRESCAL_MASK GENMASK(14, 8) +#define PDMIC_MR_PRESCAL_SHIFT (8) + +#define PDMIC_CDR 0x00000014 + +#define PDMIC_IER 0x00000018 +#define PDMIC_IER_OVRE BIT(25) + +#define PDMIC_IDR 0x0000001c +#define PDMIC_IDR_OVRE BIT(25) + +#define PDMIC_IMR 0x00000020 + +#define PDMIC_ISR 0x00000024 +#define PDMIC_ISR_OVRE BIT(25) + +#define PDMIC_DSPR0 0x00000058 + +#define PDMIC_DSPR0_HPFBYP_DIS 0x1 +#define PDMIC_DSPR0_HPFBYP_EN 0x0 +#define PDMIC_DSPR0_HPFBYP_MASK BIT(1) +#define PDMIC_DSPR0_HPFBYP_SHIFT (1) + +#define PDMIC_DSPR0_SINBYP_DIS 0x1 +#define PDMIC_DSPR0_SINBYP_EN 0x0 +#define PDMIC_DSPR0_SINBYP_MASK BIT(2) +#define PDMIC_DSPR0_SINBYP_SHIFT (2) + +#define PDMIC_DSPR0_SIZE_16_BITS 0x0 +#define PDMIC_DSPR0_SIZE_32_BITS 0x1 +#define PDMIC_DSPR0_SIZE_MASK BIT(3) +#define PDMIC_DSPR0_SIZE_SHIFT (3) + +#define PDMIC_DSPR0_OSR_128 0x0 +#define PDMIC_DSPR0_OSR_64 0x1 +#define PDMIC_DSPR0_OSR_MASK GENMASK(6, 4) +#define PDMIC_DSPR0_OSR_SHIFT (4) + +#define PDMIC_DSPR0_SCALE_MASK GENMASK(11, 8) +#define PDMIC_DSPR0_SCALE_SHIFT (8) + +#define PDMIC_DSPR0_SHIFT_MASK GENMASK(15, 12) +#define PDMIC_DSPR0_SHIFT_SHIFT (12) + +#define PDMIC_DSPR1 0x0000005c + +#define PDMIC_DSPR1_DGAIN_MASK GENMASK(14, 0) +#define PDMIC_DSPR1_DGAIN_SHIFT (0) + +#define PDMIC_DSPR1_OFFSET_MASK GENMASK(31, 16) +#define PDMIC_DSPR1_OFFSET_SHIFT (16) + +#define PDMIC_WPMR 0x000000e4 + +#define PDMIC_WPSR 0x000000e8 + +#endif -- cgit v1.1