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 <songjun.wu@atmel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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 <linux/bitops.h>
+
+#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