omap-dmic.h
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/*
* 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