aboutsummaryrefslogtreecommitdiff
path: root/sound/soc/omap/omap-dmic.h
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/omap/omap-dmic.h')
-rw-r--r--sound/soc/omap/omap-dmic.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/sound/soc/omap/omap-dmic.h b/sound/soc/omap/omap-dmic.h
new file mode 100644
index 00000000000..231e728bff0
--- /dev/null
+++ b/sound/soc/omap/omap-dmic.h
@@ -0,0 +1,69 @@
+/*
+ * omap-dmic.h -- OMAP Digital Microphone Controller
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _OMAP_DMIC_H
+#define _OMAP_DMIC_H
+
+#define OMAP_DMIC_REVISION_REG 0x00
+#define OMAP_DMIC_SYSCONFIG_REG 0x10
+#define OMAP_DMIC_IRQSTATUS_RAW_REG 0x24
+#define OMAP_DMIC_IRQSTATUS_REG 0x28
+#define OMAP_DMIC_IRQENABLE_SET_REG 0x2C
+#define OMAP_DMIC_IRQENABLE_CLR_REG 0x30
+#define OMAP_DMIC_IRQWAKE_EN_REG 0x34
+#define OMAP_DMIC_DMAENABLE_SET_REG 0x38
+#define OMAP_DMIC_DMAENABLE_CLR_REG 0x3C
+#define OMAP_DMIC_DMAWAKEEN_REG 0x40
+#define OMAP_DMIC_CTRL_REG 0x44
+#define OMAP_DMIC_DATA_REG 0x48
+#define OMAP_DMIC_FIFO_CTRL_REG 0x4C
+#define OMAP_DMIC_FIFO_DMIC1R_DATA_REG 0x50
+#define OMAP_DMIC_FIFO_DMIC1L_DATA_REG 0x54
+#define OMAP_DMIC_FIFO_DMIC2R_DATA_REG 0x58
+#define OMAP_DMIC_FIFO_DMIC2L_DATA_REG 0x5C
+#define OMAP_DMIC_FIFO_DMIC3R_DATA_REG 0x60
+#define OMAP_DMIC_FIFO_DMIC3L_DATA_REG 0x64
+
+/* IRQSTATUS_RAW, IRQSTATUS, IRQENABLE_SET, IRQENABLE_CLR bit fields */
+#define OMAP_DMIC_IRQ (1 << 0)
+#define OMAP_DMIC_IRQ_FULL (1 << 1)
+#define OMAP_DMIC_IRQ_ALMST_EMPTY (1 << 2)
+#define OMAP_DMIC_IRQ_EMPTY (1 << 3)
+#define OMAP_DMIC_IRQ_MASK 0x07
+
+/* DMIC_DMAENABLE bit fields */
+#define OMAP_DMIC_DMA_ENABLE 0x1
+
+/* DMIC_CTRL bit fields */
+#define OMAP_DMIC_UP1_ENABLE (1 << 0)
+#define OMAP_DMIC_UP2_ENABLE (1 << 1)
+#define OMAP_DMIC_UP3_ENABLE (1 << 2)
+#define OMAP_DMIC_UP_ENABLE_MASK 0x7
+#define OMAP_DMIC_FORMAT (1 << 3)
+#define OMAP_DMIC_POLAR1 (1 << 4)
+#define OMAP_DMIC_POLAR2 (1 << 5)
+#define OMAP_DMIC_POLAR3 (1 << 6)
+#define OMAP_DMIC_POLAR_MASK (0x7 << 4)
+#define OMAP_DMIC_CLK_DIV(x) (((x) & 0x7) << 7)
+#define OMAP_DMIC_CLK_DIV_MASK (0x7 << 7)
+#define OMAP_DMIC_RESET (1 << 10)
+
+#define OMAP_DMICOUTFORMAT_LJUST (0 << 3)
+#define OMAP_DMICOUTFORMAT_RJUST (1 << 3)
+
+/* DMIC_FIFO_CTRL bit fields */
+#define OMAP_DMIC_THRES_MAX 0xF
+
+enum omap_dmic_clk {
+ OMAP_DMIC_SYSCLK_PAD_CLKS, /* PAD_CLKS */
+ OMAP_DMIC_SYSCLK_SLIMBLUS_CLKS, /* SLIMBUS_CLK */
+ OMAP_DMIC_SYSCLK_SYNC_MUX_CLKS, /* DMIC_SYNC_MUX_CLK */
+ OMAP_DMIC_ABE_DMIC_CLK, /* abe_dmic_clk */
+};
+
+#endif