1 /* $OpenBSD: sdmmc_ioreg.h,v 1.4 2007/06/02 01:48:37 uwe Exp $ */
2
3 /*
4 * Copyright (c) 2006 Uwe Stuehler <uwe@openbsd.org>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #ifndef _SDMMC_IOREG_H
20 #define _SDMMC_IOREG_H
21
22 /* SDIO commands */ /* response type */
23 #define SD_IO_SEND_OP_COND 5 /* R4 */
24 #define SD_IO_RW_DIRECT 52 /* R5 */
25 #define SD_IO_RW_EXTENDED 53 /* R5? */
26
27 /* CMD52 arguments */
28 #define SD_ARG_CMD52_READ (0<<31)
29 #define SD_ARG_CMD52_WRITE (1<<31)
30 #define SD_ARG_CMD52_FUNC_SHIFT 28
31 #define SD_ARG_CMD52_FUNC_MASK 0x7
32 #define SD_ARG_CMD52_EXCHANGE (1<<27)
33 #define SD_ARG_CMD52_REG_SHIFT 9
34 #define SD_ARG_CMD52_REG_MASK 0x1ffff
35 #define SD_ARG_CMD52_DATA_SHIFT 0
36 #define SD_ARG_CMD52_DATA_MASK 0xff
37 #define SD_R5_DATA(resp) ((resp)[0] & 0xff)
38
39 /* CMD53 arguments */
40 #define SD_ARG_CMD53_READ (0<<31)
41 #define SD_ARG_CMD53_WRITE (1<<31)
42 #define SD_ARG_CMD53_FUNC_SHIFT 28
43 #define SD_ARG_CMD53_FUNC_MASK 0x7
44 #define SD_ARG_CMD53_BLOCK_MODE (1<<27)
45 #define SD_ARG_CMD53_INCREMENT (1<<26)
46 #define SD_ARG_CMD53_REG_SHIFT 9
47 #define SD_ARG_CMD53_REG_MASK 0x1ffff
48 #define SD_ARG_CMD53_LENGTH_SHIFT 0
49 #define SD_ARG_CMD53_LENGTH_MASK 0x1ff
50 #define SD_ARG_CMD53_LENGTH_MAX 64 /* XXX should be 511? */
51
52 /* 48-bit response decoding (32 bits w/o CRC) */
53 #define MMC_R4(resp) ((resp)[0])
54 #define MMC_R5(resp) ((resp)[0])
55
56 /* SD R4 response (IO OCR) */
57 #define SD_IO_OCR_MEM_READY (1<<31)
58 #define SD_IO_OCR_NUM_FUNCTIONS(ocr) (((ocr) >> 28) & 0x3)
59 /* XXX big fat memory present "flag" because we don't know better */
60 #define SD_IO_OCR_MEM_PRESENT (0xf<<24)
61 #define SD_IO_OCR_MASK 0x00fffff0
62
63 /* Card Common Control Registers (CCCR) */
64 #define SD_IO_CCCR_START 0x00000
65 #define SD_IO_CCCR_SIZE 0x100
66 #define SD_IO_CCCR_FN_ENABLE 0x02
67 #define SD_IO_CCCR_FN_READY 0x03
68 #define SD_IO_CCCR_INT_ENABLE 0x04
69 #define SD_IO_CCCR_CTL 0x06
70 #define CCCR_CTL_RES (1<<3)
71 #define SD_IO_CCCR_BUS_WIDTH 0x07
72 #define CCCR_BUS_WIDTH_4 (1<<1)
73 #define CCCR_BUS_WIDTH_1 (1<<0)
74 #define SD_IO_CCCR_CISPTR 0x09 /* XXX 9-10, 10-11, or 9-12 */
75
76 /* Function Basic Registers (FBR) */
77 #define SD_IO_FBR_START 0x00100
78 #define SD_IO_FBR_SIZE 0x00700
79
80 /* Card Information Structure (CIS) */
81 #define SD_IO_CIS_START 0x01000
82 #define SD_IO_CIS_SIZE 0x17000
83
84 /* CIS tuple codes (based on PC Card 16) */
85 #define SD_IO_CISTPL_VERS_1 0x15
86 #define SD_IO_CISTPL_MANFID 0x20
87 #define SD_IO_CISTPL_FUNCID 0x21
88 #define SD_IO_CISTPL_FUNCE 0x22
89
90 /* CISTPL_FUNCID codes */
91 #define SDMMC_FUNCTION_WLAN 0x0c
92
93 #endif