Subject: [PATCH 060/104] OMAP4: DMIC - Add OMAP4 digital Mic controller.

Add register bit and offset definitions for OMAP4 DMICs.

Signed-off-by: Liam Girdwood <lrg@ti.com>

1 files changed, 79 insertions, 0 deletions

diff --git a/arch/arm/plat-omap/include/plat/dmic.h b/arch/arm/plat-omap/include/plat/dmic.h
new file mode 100644
index 00000000000..1b0e49e7786
--- /dev/null
+++ b/arch/arm/plat-omap/include/plat/dmic.h
@@ -0,0 +1,79 @@
+/*
+ * 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 __ASM_ARCH_OMAP_DMIC_H
+#define __ASM_ARCH_OMAP_DMIC_H
+
+#define OMAP44XX_DMIC_L3_BASE   0x4902e000
+
+#define OMAP_DMIC_REVISION              0x00
+#define OMAP_DMIC_SYSCONFIG             0x10
+#define OMAP_DMIC_IRQSTATUS_RAW         0x24
+#define OMAP_DMIC_IRQSTATUS             0x28
+#define OMAP_DMIC_IRQENABLE_SET         0x2C
+#define OMAP_DMIC_IRQENABLE_CLR         0x30
+#define OMAP_DMIC_IRQWAKE_EN            0x34
+#define OMAP_DMIC_DMAENABLE_SET         0x38
+#define OMAP_DMIC_DMAENABLE_CLR         0x3C
+#define OMAP_DMIC_DMAWAKEEN             0x40
+#define OMAP_DMIC_CTRL                  0x44
+#define OMAP_DMIC_DATA                  0x48
+#define OMAP_DMIC_FIFO_CTRL             0x4C
+#define OMAP_DMIC_FIFO_DMIC1R_DATA      0x50
+#define OMAP_DMIC_FIFO_DMIC1L_DATA      0x54
+#define OMAP_DMIC_FIFO_DMIC2R_DATA      0x58
+#define OMAP_DMIC_FIFO_DMIC2L_DATA      0x5C
+#define OMAP_DMIC_FIFO_DMIC3R_DATA      0x60
+#define OMAP_DMIC_FIFO_DMIC3L_DATA      0x64
+
+/*
+ * DMIC_IRQ bit fields
+ * IRQSTATUS_RAW, IRQSTATUS, IRQENABLE_SET, IRQENABLE_CLR
+ */
+
+#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            0x0001
+#define OMAP_DMIC_UP2_ENABLE            0x0002
+#define OMAP_DMIC_UP3_ENABLE            0x0004
+#define OMAP_DMIC_UP_ENABLE_MASK        0x0007
+#define OMAP_DMIC_FORMAT                0x0008
+#define OMAP_DMIC_POLAR1                0x0010
+#define OMAP_DMIC_POLAR2                0x0020
+#define OMAP_DMIC_POLAR3                0x0040
+#define OMAP_DMIC_POLAR_MASK            0x0070
+#define OMAP_DMIC_CLK_DIV_SHIFT         7
+#define OMAP_DMIC_CLK_DIV_MASK          0x0380
+#define OMAP_DMIC_RESET                 0x0400
+
+#define OMAP_DMIC_ENABLE_MASK           0x007
+
+#define OMAP_DMICOUTFORMAT_LJUST        (0 << 3)
+#define OMAP_DMICOUTFORMAT_RJUST        (1 << 3)
+
+/*
+ * DMIC_FIFO_CTRL bit fields
+ */
+
+#define OMAP_DMIC_THRES_MAX             0xF
+
+#endif