sys/dev/sdmmc/sdmmc_ioreg.h

   1 /*      $NetBSD$        */
   2 /*      $OpenBSD: sdmmc_ioreg.h,v 1.4 2007/06/02 01:48:37 uwe Exp $     */
   3
   4 /*
   5  * Copyright (c) 2006 Uwe Stuehler <uwe@openbsd.org>
   6  *
   7  * Permission to use, copy, modify, and distribute this software for any
   8  * purpose with or without fee is hereby granted, provided that the above
   9  * copyright notice and this permission notice appear in all copies.
  10  *
  11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  18  */
  19
  20 #ifndef _SDMMC_IOREG_H_
  21 #define _SDMMC_IOREG_H_
  22
  23 /* SDIO commands */                             /* response type */
  24 #define SD_IO_SEND_OP_COND              5       /* R4 */
  25 #define SD_IO_RW_DIRECT                 52      /* R5 */
  26 #define SD_IO_RW_EXTENDED               53      /* R5? */
  27
  28 /* CMD52 arguments */
  29 #define SD_ARG_CMD52_READ               (0<<31)
  30 #define SD_ARG_CMD52_WRITE              (1<<31)
  31 #define SD_ARG_CMD52_FUNC_SHIFT         28
  32 #define SD_ARG_CMD52_FUNC_MASK          0x7
  33 #define SD_ARG_CMD52_EXCHANGE           (1<<27)
  34 #define SD_ARG_CMD52_REG_SHIFT          9
  35 #define SD_ARG_CMD52_REG_MASK           0x1ffff
  36 #define SD_ARG_CMD52_DATA_SHIFT         0
  37 #define SD_ARG_CMD52_DATA_MASK          0xff
  38 #define SD_R5_DATA(resp)                ((resp)[0] & 0xff)
  39
  40 /* CMD53 arguments */
  41 #define SD_ARG_CMD53_READ               (0<<31)
  42 #define SD_ARG_CMD53_WRITE              (1<<31)
  43 #define SD_ARG_CMD53_FUNC_SHIFT         28
  44 #define SD_ARG_CMD53_FUNC_MASK          0x7
  45 #define SD_ARG_CMD53_BLOCK_MODE         (1<<27)
  46 #define SD_ARG_CMD53_INCREMENT          (1<<26)
  47 #define SD_ARG_CMD53_REG_SHIFT          9
  48 #define SD_ARG_CMD53_REG_MASK           0x1ffff
  49 #define SD_ARG_CMD53_LENGTH_SHIFT       0
  50 #define SD_ARG_CMD53_LENGTH_MASK        0x1ff
  51 #define SD_ARG_CMD53_LENGTH_MAX         64 /* XXX should be 511? */
  52
  53 /* 48-bit response decoding (32 bits w/o CRC) */
  54 #define MMC_R4(resp)                    ((resp)[0])
  55 #define MMC_R5(resp)                    ((resp)[0])
  56
  57 /* SD R4 response (IO OCR) */
  58 #define SD_IO_OCR_MEM_READY             (1<<31)
  59 #define SD_IO_OCR_NUM_FUNCTIONS(ocr)    (((ocr) >> 28) & 0x3)
  60 /* XXX big fat memory present "flag" because we don't know better */
  61 #define SD_IO_OCR_MEM_PRESENT           (0xf<<24)
  62 #define SD_IO_OCR_MASK                  0x00fffff0
  63
  64 /* Card Common Control Registers (CCCR) */
  65 #define SD_IO_CCCR_START                0x00000
  66 #define SD_IO_CCCR_SIZE                 0x100
  67 #define SD_IO_CCCR_CCCR_SDIO_REV        0x00
  68 #define SD_IO_CCCR_CCCR_REV(r)          ((r) & 0xf)
  69 #define  CCCR_CCCR_REV_1_00             0
  70 #define  CCCR_CCCR_REV_1_10             1
  71 #define SD_IO_CCCR_SDIO_REV(r)          (((r) >> 4) & 0xf)
  72 #define  CCCR_SDIO_REV_1_00             0
  73 #define  CCCR_SDIO_REV_1_10             1
  74 #define SD_IO_CCCR_SPEC_REV             0x01
  75 #define SD_IO_CCCR_SD_PHYS_SPEC_VER(r)  ((r) & 0xf)
  76 #define  CCCR_SD_PHYS_SPEC_VER_1_01     0
  77 #define  CCCR_SD_PHYS_SPEC_VER_1_10     1
  78 #define SD_IO_CCCR_FN_ENABLE            0x02
  79 #define SD_IO_CCCR_FN_IOREADY           0x03
  80 #define SD_IO_CCCR_FN_INTEN             0x04
  81 #define  CCCR_INTEN_INTM                (1<<0)
  82 #define SD_IO_CCCR_FN_INTPENDING        0x05
  83 #define SD_IO_CCCR_CTL                  0x06
  84 #define  CCCR_CTL_RES                   (1<<3)
  85 #define SD_IO_CCCR_BUS_WIDTH            0x07
  86 #define  CCCR_BUS_WIDTH_4               (1<<1)
  87 #define  CCCR_BUS_WIDTH_1               (1<<0)
  88 #define SD_IO_CCCR_CAPABILITY           0x08
  89 #define  CCCR_CAPS_SDC                  (1<<0)
  90 #define  CCCR_CAPS_SMB                  (1<<1) /* Multi-Block support */
  91 #define  CCCR_CAPS_SRB                  (1<<2) /* Read Wait support */
  92 #define  CCCR_CAPS_SBS                  (1<<3) /* Suspend/Resume support */
  93 #define  CCCR_CAPS_S4MI                 (1<<4) /* intr support in 4-bit mode */
  94 #define  CCCR_CAPS_E4MI                 (1<<5) /* enable intr in 4-bit mode */
  95 #define  CCCR_CAPS_LSC                  (1<<6) /* Low speed card */
  96 #define  CCCR_CAPS_4BLS                 (1<<7) /* 4-bit support for low speed */
  97 #define SD_IO_CCCR_CISPTR               0x09 /* XXX 9-10, 10-11, or 9-12 */
  98 #define SD_IO_CCCR_BUS_SUSPEND          0x0c
  99 #define SD_IO_CCCR_FUNC_SELECT          0x0d
 100 #define  CCCR_FUNC_FS(r)                ((r) & 0xf)
 101 #define  CCCR_FUNC_FS_FN(fn)            ((fn) & 0x7)
 102 #define  CCCR_FUNC_FS_MEM               8
 103 #define SD_IO_CCCR_FN_EXEC_FLG          0x0e
 104 #define SD_IO_CCCR_FN_READY_FLG         0x0f
 105 #define SD_IO_CCCR_FN0_BLKSIZ           0x10 /* 0x10-0x11 */
 106 #define SD_IO_CCCR_POWER_CTL            0x12
 107
 108 /* Function Basic Registers (FBR) */
 109 #define SD_IO_FBR_START                 0x00100
 110 #define SD_IO_FBR_SIZE                  0x00700
 111
 112 /* Card Information Structure (CIS) */
 113 #define SD_IO_CIS_START                 0x01000
 114 #define SD_IO_CIS_SIZE                  0x17000
 115
 116 /* CIS tuple codes (based on PC Card 16) */
 117 #define SD_IO_CISTPL_VERS_1             0x15
 118 #define SD_IO_CISTPL_MANFID             0x20
 119 #define SD_IO_CISTPL_FUNCID             0x21
 120 #define SD_IO_CISTPL_FUNCE              0x22
 121
 122 /* CISTPL_FUNCID codes */
 123 #define SDMMC_FUNCTION_WLAN             0x0c
 124
 125 #endif  /* _SDMMC_IOREG_H_ */