sound/soc/omap/omap-dmic.h

   1 /*
   2  * omap-dmic.h  --  OMAP Digital Microphone Controller
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  */
   8
   9 #ifndef _OMAP_DMIC_H
  10 #define _OMAP_DMIC_H
  11
  12 #define OMAP_DMIC_REVISION_REG          0x00
  13 #define OMAP_DMIC_SYSCONFIG_REG         0x10
  14 #define OMAP_DMIC_IRQSTATUS_RAW_REG     0x24
  15 #define OMAP_DMIC_IRQSTATUS_REG         0x28
  16 #define OMAP_DMIC_IRQENABLE_SET_REG     0x2C
  17 #define OMAP_DMIC_IRQENABLE_CLR_REG     0x30
  18 #define OMAP_DMIC_IRQWAKE_EN_REG        0x34
  19 #define OMAP_DMIC_DMAENABLE_SET_REG     0x38
  20 #define OMAP_DMIC_DMAENABLE_CLR_REG     0x3C
  21 #define OMAP_DMIC_DMAWAKEEN_REG         0x40
  22 #define OMAP_DMIC_CTRL_REG              0x44
  23 #define OMAP_DMIC_DATA_REG              0x48
  24 #define OMAP_DMIC_FIFO_CTRL_REG         0x4C
  25 #define OMAP_DMIC_FIFO_DMIC1R_DATA_REG  0x50
  26 #define OMAP_DMIC_FIFO_DMIC1L_DATA_REG  0x54
  27 #define OMAP_DMIC_FIFO_DMIC2R_DATA_REG  0x58
  28 #define OMAP_DMIC_FIFO_DMIC2L_DATA_REG  0x5C
  29 #define OMAP_DMIC_FIFO_DMIC3R_DATA_REG  0x60
  30 #define OMAP_DMIC_FIFO_DMIC3L_DATA_REG  0x64
  31
  32 /* IRQSTATUS_RAW, IRQSTATUS, IRQENABLE_SET, IRQENABLE_CLR bit fields */
  33 #define OMAP_DMIC_IRQ                   (1 << 0)
  34 #define OMAP_DMIC_IRQ_FULL              (1 << 1)
  35 #define OMAP_DMIC_IRQ_ALMST_EMPTY       (1 << 2)
  36 #define OMAP_DMIC_IRQ_EMPTY             (1 << 3)
  37 #define OMAP_DMIC_IRQ_MASK              0x07
  38
  39 /* DMIC_DMAENABLE bit fields */
  40 #define OMAP_DMIC_DMA_ENABLE            0x1
  41
  42 /* DMIC_CTRL bit fields */
  43 #define OMAP_DMIC_UP1_ENABLE            (1 << 0)
  44 #define OMAP_DMIC_UP2_ENABLE            (1 << 1)
  45 #define OMAP_DMIC_UP3_ENABLE            (1 << 2)
  46 #define OMAP_DMIC_UP_ENABLE_MASK        0x7
  47 #define OMAP_DMIC_FORMAT                (1 << 3)
  48 #define OMAP_DMIC_POLAR1                (1 << 4)
  49 #define OMAP_DMIC_POLAR2                (1 << 5)
  50 #define OMAP_DMIC_POLAR3                (1 << 6)
  51 #define OMAP_DMIC_POLAR_MASK            (0x7 << 4)
  52 #define OMAP_DMIC_CLK_DIV(x)            (((x) & 0x7) << 7)
  53 #define OMAP_DMIC_CLK_DIV_MASK          (0x7 << 7)
  54 #define OMAP_DMIC_RESET                 (1 << 10)
  55
  56 #define OMAP_DMICOUTFORMAT_LJUST        (0 << 3)
  57 #define OMAP_DMICOUTFORMAT_RJUST        (1 << 3)
  58
  59 /* DMIC_FIFO_CTRL bit fields */
  60 #define OMAP_DMIC_THRES_MAX             0xF
  61
  62 enum omap_dmic_clk {
  63         OMAP_DMIC_SYSCLK_PAD_CLKS,              /* PAD_CLKS */
  64         OMAP_DMIC_SYSCLK_SLIMBLUS_CLKS,         /* SLIMBUS_CLK */
  65         OMAP_DMIC_SYSCLK_SYNC_MUX_CLKS,         /* DMIC_SYNC_MUX_CLK */
  66         OMAP_DMIC_ABE_DMIC_CLK,                 /* abe_dmic_clk */
  67 };
  68
  69 #endif