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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /sound/soc/fsl/fsl_micfil.h
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--sound/soc/fsl/fsl_micfil.h145
1 files changed, 145 insertions, 0 deletions
diff --git a/sound/soc/fsl/fsl_micfil.h b/sound/soc/fsl/fsl_micfil.h
new file mode 100644
index 000000000..d60285dd0
--- /dev/null
+++ b/sound/soc/fsl/fsl_micfil.h
@@ -0,0 +1,145 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * PDM Microphone Interface for the NXP i.MX SoC
+ * Copyright 2018 NXP
+ */
+
+#ifndef _FSL_MICFIL_H
+#define _FSL_MICFIL_H
+
+/* MICFIL Register Map */
+#define REG_MICFIL_CTRL1 0x00
+#define REG_MICFIL_CTRL2 0x04
+#define REG_MICFIL_STAT 0x08
+#define REG_MICFIL_FIFO_CTRL 0x10
+#define REG_MICFIL_FIFO_STAT 0x14
+#define REG_MICFIL_DATACH0 0x24
+#define REG_MICFIL_DATACH1 0x28
+#define REG_MICFIL_DATACH2 0x2C
+#define REG_MICFIL_DATACH3 0x30
+#define REG_MICFIL_DATACH4 0x34
+#define REG_MICFIL_DATACH5 0x38
+#define REG_MICFIL_DATACH6 0x3C
+#define REG_MICFIL_DATACH7 0x40
+#define REG_MICFIL_DC_CTRL 0x64
+#define REG_MICFIL_OUT_CTRL 0x74
+#define REG_MICFIL_OUT_STAT 0x7C
+#define REG_MICFIL_VAD0_CTRL1 0x90
+#define REG_MICFIL_VAD0_CTRL2 0x94
+#define REG_MICFIL_VAD0_STAT 0x98
+#define REG_MICFIL_VAD0_SCONFIG 0x9C
+#define REG_MICFIL_VAD0_NCONFIG 0xA0
+#define REG_MICFIL_VAD0_NDATA 0xA4
+#define REG_MICFIL_VAD0_ZCD 0xA8
+
+/* MICFIL Control Register 1 -- REG_MICFILL_CTRL1 0x00 */
+#define MICFIL_CTRL1_MDIS BIT(31)
+#define MICFIL_CTRL1_DOZEN BIT(30)
+#define MICFIL_CTRL1_PDMIEN BIT(29)
+#define MICFIL_CTRL1_DBG BIT(28)
+#define MICFIL_CTRL1_SRES BIT(27)
+#define MICFIL_CTRL1_DBGE BIT(26)
+
+#define MICFIL_CTRL1_DISEL_DISABLE 0
+#define MICFIL_CTRL1_DISEL_DMA 1
+#define MICFIL_CTRL1_DISEL_IRQ 2
+#define MICFIL_CTRL1_DISEL GENMASK(25, 24)
+#define MICFIL_CTRL1_ERREN BIT(23)
+#define MICFIL_CTRL1_CHEN(ch) BIT(ch)
+
+/* MICFIL Control Register 2 -- REG_MICFILL_CTRL2 0x04 */
+#define MICFIL_CTRL2_QSEL_SHIFT 25
+#define MICFIL_CTRL2_QSEL GENMASK(27, 25)
+#define MICFIL_QSEL_MEDIUM_QUALITY 0
+#define MICFIL_QSEL_HIGH_QUALITY 1
+#define MICFIL_QSEL_LOW_QUALITY 7
+#define MICFIL_QSEL_VLOW0_QUALITY 6
+#define MICFIL_QSEL_VLOW1_QUALITY 5
+#define MICFIL_QSEL_VLOW2_QUALITY 4
+
+#define MICFIL_CTRL2_CICOSR GENMASK(19, 16)
+#define MICFIL_CTRL2_CLKDIV GENMASK(7, 0)
+
+/* MICFIL Status Register -- REG_MICFIL_STAT 0x08 */
+#define MICFIL_STAT_BSY_FIL BIT(31)
+#define MICFIL_STAT_FIR_RDY BIT(30)
+#define MICFIL_STAT_LOWFREQF BIT(29)
+#define MICFIL_STAT_CHXF(ch) BIT(ch)
+
+/* MICFIL FIFO Control Register -- REG_MICFIL_FIFO_CTRL 0x10 */
+#define MICFIL_FIFO_CTRL_FIFOWMK GENMASK(2, 0)
+
+/* MICFIL FIFO Status Register -- REG_MICFIL_FIFO_STAT 0x14 */
+#define MICFIL_FIFO_STAT_FIFOX_OVER(ch) BIT(ch)
+#define MICFIL_FIFO_STAT_FIFOX_UNDER(ch) BIT((ch) + 8)
+
+/* MICFIL DC Remover Control Register -- REG_MICFIL_DC_CTRL */
+#define MICFIL_DC_CTRL_CONFIG GENMASK(15, 0)
+#define MICFIL_DC_CHX_SHIFT(ch) ((ch) << 1)
+#define MICFIL_DC_CHX(ch) GENMASK((((ch) << 1) + 1), ((ch) << 1))
+#define MICFIL_DC_CUTOFF_21HZ 0
+#define MICFIL_DC_CUTOFF_83HZ 1
+#define MICFIL_DC_CUTOFF_152Hz 2
+#define MICFIL_DC_BYPASS 3
+
+/* MICFIL HWVAD0 Control 1 Register -- REG_MICFIL_VAD0_CTRL1*/
+#define MICFIL_VAD0_CTRL1_CHSEL GENMASK(26, 24)
+#define MICFIL_VAD0_CTRL1_CICOSR GENMASK(19, 16)
+#define MICFIL_VAD0_CTRL1_INITT GENMASK(12, 8)
+#define MICFIL_VAD0_CTRL1_ST10 BIT(4)
+#define MICFIL_VAD0_CTRL1_ERIE BIT(3)
+#define MICFIL_VAD0_CTRL1_IE BIT(2)
+#define MICFIL_VAD0_CTRL1_RST BIT(1)
+#define MICFIL_VAD0_CTRL1_EN BIT(0)
+
+/* MICFIL HWVAD0 Control 2 Register -- REG_MICFIL_VAD0_CTRL2*/
+#define MICFIL_VAD0_CTRL2_FRENDIS BIT(31)
+#define MICFIL_VAD0_CTRL2_PREFEN BIT(30)
+#define MICFIL_VAD0_CTRL2_FOUTDIS BIT(28)
+#define MICFIL_VAD0_CTRL2_FRAMET GENMASK(21, 16)
+#define MICFIL_VAD0_CTRL2_INPGAIN GENMASK(11, 8)
+#define MICFIL_VAD0_CTRL2_HPF GENMASK(1, 0)
+
+/* MICFIL HWVAD0 Signal CONFIG Register -- REG_MICFIL_VAD0_SCONFIG */
+#define MICFIL_VAD0_SCONFIG_SFILEN BIT(31)
+#define MICFIL_VAD0_SCONFIG_SMAXEN BIT(30)
+#define MICFIL_VAD0_SCONFIG_SGAIN GENMASK(3, 0)
+
+/* MICFIL HWVAD0 Noise CONFIG Register -- REG_MICFIL_VAD0_NCONFIG */
+#define MICFIL_VAD0_NCONFIG_NFILAUT BIT(31)
+#define MICFIL_VAD0_NCONFIG_NMINEN BIT(30)
+#define MICFIL_VAD0_NCONFIG_NDECEN BIT(29)
+#define MICFIL_VAD0_NCONFIG_NOREN BIT(28)
+#define MICFIL_VAD0_NCONFIG_NFILADJ GENMASK(12, 8)
+#define MICFIL_VAD0_NCONFIG_NGAIN GENMASK(3, 0)
+
+/* MICFIL HWVAD0 Zero-Crossing Detector - REG_MICFIL_VAD0_ZCD */
+#define MICFIL_VAD0_ZCD_ZCDTH GENMASK(25, 16)
+#define MICFIL_VAD0_ZCD_ZCDADJ GENMASK(11, 8)
+#define MICFIL_VAD0_ZCD_ZCDAND BIT(4)
+#define MICFIL_VAD0_ZCD_ZCDAUT BIT(2)
+#define MICFIL_VAD0_ZCD_ZCDEN BIT(0)
+
+/* MICFIL HWVAD0 Status Register - REG_MICFIL_VAD0_STAT */
+#define MICFIL_VAD0_STAT_INITF BIT(31)
+#define MICFIL_VAD0_STAT_INSATF BIT(16)
+#define MICFIL_VAD0_STAT_EF BIT(15)
+#define MICFIL_VAD0_STAT_IF BIT(0)
+
+/* MICFIL Output Control Register */
+#define MICFIL_OUTGAIN_CHX_SHIFT(v) (4 * (v))
+
+/* Constants */
+#define MICFIL_OUTPUT_CHANNELS 8
+#define MICFIL_FIFO_NUM 8
+
+#define FIFO_PTRWID 3
+#define FIFO_LEN BIT(FIFO_PTRWID)
+
+#define MICFIL_IRQ_LINES 2
+#define MICFIL_MAX_RETRY 25
+#define MICFIL_SLEEP_MIN 90000 /* in us */
+#define MICFIL_SLEEP_MAX 100000 /* in us */
+#define MICFIL_DMA_MAXBURST_RX 6
+
+#endif /* _FSL_MICFIL_H */