Add access control support to qemu bridge helper
[qemu.git] / hw / sd.h
1 /*
2 * SD Memory Card emulation. Mostly correct for MMC too.
3 *
4 * Copyright (c) 2006 Andrzej Zaborowski <balrog@zabor.org>
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
19 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
20 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR
21 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
25 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29 #ifndef __hw_sd_h
30 #define __hw_sd_h 1
31
32 #define OUT_OF_RANGE (1 << 31)
33 #define ADDRESS_ERROR (1 << 30)
34 #define BLOCK_LEN_ERROR (1 << 29)
35 #define ERASE_SEQ_ERROR (1 << 28)
36 #define ERASE_PARAM (1 << 27)
37 #define WP_VIOLATION (1 << 26)
38 #define CARD_IS_LOCKED (1 << 25)
39 #define LOCK_UNLOCK_FAILED (1 << 24)
40 #define COM_CRC_ERROR (1 << 23)
41 #define ILLEGAL_COMMAND (1 << 22)
42 #define CARD_ECC_FAILED (1 << 21)
43 #define CC_ERROR (1 << 20)
44 #define SD_ERROR (1 << 19)
45 #define CID_CSD_OVERWRITE (1 << 16)
46 #define WP_ERASE_SKIP (1 << 15)
47 #define CARD_ECC_DISABLED (1 << 14)
48 #define ERASE_RESET (1 << 13)
49 #define CURRENT_STATE (7 << 9)
50 #define READY_FOR_DATA (1 << 8)
51 #define APP_CMD (1 << 5)
52 #define AKE_SEQ_ERROR (1 << 3)
53
54 typedef enum {
55 sd_none = -1,
56 sd_bc = 0, /* broadcast -- no response */
57 sd_bcr, /* broadcast with response */
58 sd_ac, /* addressed -- no data transfer */
59 sd_adtc, /* addressed with data transfer */
60 } sd_cmd_type_t;
61
62 typedef struct {
63 uint8_t cmd;
64 uint32_t arg;
65 uint8_t crc;
66 } SDRequest;
67
68 typedef struct SDState SDState;
69
70 SDState *sd_init(BlockDriverState *bs, int is_spi);
71 int sd_do_command(SDState *sd, SDRequest *req,
72 uint8_t *response);
73 void sd_write_data(SDState *sd, uint8_t value);
74 uint8_t sd_read_data(SDState *sd);
75 void sd_set_cb(SDState *sd, qemu_irq readonly, qemu_irq insert);
76 int sd_data_ready(SDState *sd);
77 void sd_enable(SDState *sd, int enable);
78
79 #endif /* __hw_sd_h */