1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
/* $OpenBSD: sdmmcvar.h,v 1.1 2006/05/28 17:21:14 uwe Exp $ */
/*
* Copyright (c) 2006 Uwe Stuehler <uwe@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _SDMMCVAR_H_
#define _SDMMCVAR_H_
#include <sys/queue.h>
#include <dev/sdmmc/sdmmcchip.h>
#include <dev/sdmmc/sdmmcreg.h>
struct sdmmc_csd {
int csdver; /* CSD structure format */
int mmcver; /* MMC version (for CID format) */
int capacity; /* total number of sectors */
int sector_size; /* sector size in bytes */
int read_bl_len; /* block length for reads */
/* ... */
};
struct sdmmc_cid {
int mid; /* manufacturer identification number */
int oid; /* OEM/product identification number */
char pnm[8]; /* product name (MMC v1 has the longest) */
int rev; /* product revision */
int psn; /* product serial number */
int mdt; /* manufacturing date */
};
struct sdmmc_command;
typedef u_int32_t sdmmc_response[4];
typedef void (*sdmmc_callback)(struct device *, struct sdmmc_command *);
struct sdmmc_command {
u_int16_t c_opcode; /* SD or MMC command index */
u_int32_t c_arg; /* SD/MMC command argument */
sdmmc_response c_resp; /* response buffer */
void *c_data; /* buffer to send or read into */
int c_datalen; /* length of data buffer */
int c_blklen; /* block length */
int c_flags; /* see below */
#define SCF_DONE 0x0001 /* command is finished */
#define SCF_BUF_READY 0x0002 /* buffer ready int occurred */
#define SCF_CMD_DONE 0x0004 /* cmd complete int occurred */
#define SCF_XFR_DONE 0x0008 /* transfer complete int occurred */
#define SCF_CMD_AC 0x0000
#define SCF_CMD_ADTC 0x0010
#define SCF_CMD_BC 0x0020
#define SCF_CMD_BCR 0x0030
#define SCF_CMD_READ 0x0040 /* read command (data expected) */
#define SCF_RSP_BSY 0x0100
#define SCF_RSP_136 0x0200
#define SCF_RSP_CRC 0x0400
#define SCF_RSP_IDX 0x0800
#define SCF_RSP_PRESENT 0x1000
/* response types */
#define SCF_RSP_R0 0 /* none */
#define SCF_RSP_R1 (SCF_RSP_PRESENT|SCF_RSP_CRC|SCF_RSP_IDX)
#define SCF_RSP_R2 (SCF_RSP_PRESENT|SCF_RSP_CRC|SCF_RSP_136)
#define SCF_RSP_R3 (SCF_RSP_PRESENT)
#define SCF_RSP_R4 (SCF_RSP_PRESENT)
#define SCF_RSP_R6 (SCF_RSP_PRESENT|SCF_RSP_CRC)
sdmmc_callback c_done; /* callback function */
int c_error; /* errno value on completion */
};
struct sdmmc_card {
u_int16_t rca;
int flags;
#define SDMMCF_CARD_ERROR 0x0010 /* card in error state */
sdmmc_response raw_cid;
struct sdmmc_cid cid;
struct sdmmc_csd csd;
SIMPLEQ_ENTRY(sdmmc_card) cs_list;
};
struct sdmmc_softc {
struct device sc_dev; /* base device */
#define SDMMCDEVNAME(sc) ((sc)->sc_dev.dv_xname)
sdmmc_chipset_tag_t sct; /* host controller chipset tag */
sdmmc_chipset_handle_t sch; /* host controller chipset handle */
int sc_flags;
#define SMF_SD_MODE 0x0001 /* host in SD mode (MMC otherwise) */
#define SMF_IO_MODE 0x0002 /* host in I/O mode (SD only) */
#define SMF_MEM_MODE 0x0004 /* host in memory mode (SD or MMC) */
SIMPLEQ_HEAD(, sdmmc_card) cs_head;
struct sdmmc_card *sc_card; /* selected card */
void *sc_scsibus; /* SCSI bus emulation softc */
};
#define IPL_SDMMC IPL_BIO
#define splsdmmc() splbio()
void sdmmc_delay(u_int);
int sdmmc_set_bus_power(struct sdmmc_softc *, u_int32_t, u_int32_t);
int sdmmc_mmc_command(struct sdmmc_softc *, struct sdmmc_command *);
int sdmmc_app_command(struct sdmmc_softc *, struct sdmmc_command *);
void sdmmc_go_idle_state(struct sdmmc_softc *);
int sdmmc_select_card(struct sdmmc_softc *, struct sdmmc_card *);
int sdmmc_io_enable(struct sdmmc_softc *);
void sdmmc_io_reset(struct sdmmc_softc *);
int sdmmc_io_send_op_cond(struct sdmmc_softc *, u_int32_t, u_int32_t *);
int sdmmc_mem_enable(struct sdmmc_softc *);
int sdmmc_mem_init(struct sdmmc_softc *, struct sdmmc_card *);
int sdmmc_mem_read_block(struct sdmmc_softc *, struct sdmmc_card *,
int, u_char *, size_t);
int sdmmc_mem_write_block(struct sdmmc_softc *, struct sdmmc_card *,
int, u_char *, size_t);
#endif
|
