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5c4e6f13 PO |
1 | /* |
2 | * include/linux/mmc/sdio.h | |
3 | * | |
4 | * Copyright 2006-2007 Pierre Ossman | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or (at | |
9 | * your option) any later version. | |
10 | */ | |
11 | ||
12 | #ifndef MMC_SDIO_H | |
13 | #define MMC_SDIO_H | |
14 | ||
15 | /* SDIO commands type argument response */ | |
16 | #define SD_IO_SEND_OP_COND 5 /* bcr [23:0] OCR R4 */ | |
b2bcc798 | 17 | #define SD_IO_RW_DIRECT 52 /* ac [31:0] See below R5 */ |
112c9db9 | 18 | #define SD_IO_RW_EXTENDED 53 /* adtc [31:0] See below R5 */ |
b2bcc798 PO |
19 | |
20 | /* | |
21 | * SD_IO_RW_DIRECT argument format: | |
22 | * | |
23 | * [31] R/W flag | |
24 | * [30:28] Function number | |
25 | * [27] RAW flag | |
26 | * [25:9] Register address | |
27 | * [7:0] Data | |
28 | */ | |
29 | ||
112c9db9 PO |
30 | /* |
31 | * SD_IO_RW_EXTENDED argument format: | |
32 | * | |
33 | * [31] R/W flag | |
34 | * [30:28] Function number | |
35 | * [27] Block mode | |
36 | * [26] Increment address | |
37 | * [25:9] Register address | |
38 | * [8:0] Byte/block count | |
39 | */ | |
40 | ||
f3c65b28 DV |
41 | #define R4_MEMORY_PRESENT (1 << 27) |
42 | ||
b2bcc798 PO |
43 | /* |
44 | SDIO status in R5 | |
45 | Type | |
46 | e : error bit | |
47 | s : status bit | |
48 | r : detected and set for the actual command response | |
49 | x : detected and set during command execution. the host must poll | |
50 | the card by sending status command in order to read these bits. | |
51 | Clear condition | |
52 | a : according to the card state | |
53 | b : always related to the previous command. Reception of | |
54 | a valid command will clear it (with a delay of one command) | |
55 | c : clear by read | |
56 | */ | |
57 | ||
58 | #define R5_COM_CRC_ERROR (1 << 15) /* er, b */ | |
59 | #define R5_ILLEGAL_COMMAND (1 << 14) /* er, b */ | |
60 | #define R5_ERROR (1 << 11) /* erx, c */ | |
61 | #define R5_FUNCTION_NUMBER (1 << 9) /* er, c */ | |
62 | #define R5_OUT_OF_RANGE (1 << 8) /* er, c */ | |
63 | #define R5_STATUS(x) (x & 0xCB00) | |
64 | #define R5_IO_CURRENT_STATE(x) ((x & 0x3000) >> 12) /* s, b */ | |
5c4e6f13 | 65 | |
fa64efa1 PO |
66 | /* |
67 | * Card Common Control Registers (CCCR) | |
68 | */ | |
69 | ||
70 | #define SDIO_CCCR_CCCR 0x00 | |
71 | ||
72 | #define SDIO_CCCR_REV_1_00 0 /* CCCR/FBR Version 1.00 */ | |
73 | #define SDIO_CCCR_REV_1_10 1 /* CCCR/FBR Version 1.10 */ | |
74 | #define SDIO_CCCR_REV_1_20 2 /* CCCR/FBR Version 1.20 */ | |
75 | ||
76 | #define SDIO_SDIO_REV_1_00 0 /* SDIO Spec Version 1.00 */ | |
77 | #define SDIO_SDIO_REV_1_10 1 /* SDIO Spec Version 1.10 */ | |
78 | #define SDIO_SDIO_REV_1_20 2 /* SDIO Spec Version 1.20 */ | |
79 | #define SDIO_SDIO_REV_2_00 3 /* SDIO Spec Version 2.00 */ | |
80 | ||
81 | #define SDIO_CCCR_SD 0x01 | |
82 | ||
83 | #define SDIO_SD_REV_1_01 0 /* SD Physical Spec Version 1.01 */ | |
84 | #define SDIO_SD_REV_1_10 1 /* SD Physical Spec Version 1.10 */ | |
85 | #define SDIO_SD_REV_2_00 2 /* SD Physical Spec Version 2.00 */ | |
86 | ||
87 | #define SDIO_CCCR_IOEx 0x02 | |
88 | #define SDIO_CCCR_IORx 0x03 | |
89 | ||
90 | #define SDIO_CCCR_IENx 0x04 /* Function/Master Interrupt Enable */ | |
91 | #define SDIO_CCCR_INTx 0x05 /* Function Interrupt Pending */ | |
92 | ||
93 | #define SDIO_CCCR_ABORT 0x06 /* function abort/card reset */ | |
94 | ||
95 | #define SDIO_CCCR_IF 0x07 /* bus interface controls */ | |
96 | ||
97 | #define SDIO_BUS_WIDTH_1BIT 0x00 | |
98 | #define SDIO_BUS_WIDTH_4BIT 0x02 | |
8a64c0f6 DM |
99 | #define SDIO_BUS_ECSI 0x20 /* Enable continuous SPI interrupt */ |
100 | #define SDIO_BUS_SCSI 0x40 /* Support continuous SPI interrupt */ | |
fa64efa1 | 101 | |
6b5eda36 DD |
102 | #define SDIO_BUS_ASYNC_INT 0x20 |
103 | ||
fa64efa1 PO |
104 | #define SDIO_BUS_CD_DISABLE 0x80 /* disable pull-up on DAT3 (pin 1) */ |
105 | ||
106 | #define SDIO_CCCR_CAPS 0x08 | |
107 | ||
108 | #define SDIO_CCCR_CAP_SDC 0x01 /* can do CMD52 while data transfer */ | |
109 | #define SDIO_CCCR_CAP_SMB 0x02 /* can do multi-block xfers (CMD53) */ | |
110 | #define SDIO_CCCR_CAP_SRW 0x04 /* supports read-wait protocol */ | |
111 | #define SDIO_CCCR_CAP_SBS 0x08 /* supports suspend/resume */ | |
112 | #define SDIO_CCCR_CAP_S4MI 0x10 /* interrupt during 4-bit CMD53 */ | |
113 | #define SDIO_CCCR_CAP_E4MI 0x20 /* enable ints during 4-bit CMD53 */ | |
114 | #define SDIO_CCCR_CAP_LSC 0x40 /* low speed card */ | |
115 | #define SDIO_CCCR_CAP_4BLS 0x80 /* 4 bit low speed card */ | |
116 | ||
117 | #define SDIO_CCCR_CIS 0x09 /* common CIS pointer (3 bytes) */ | |
118 | ||
119 | /* Following 4 regs are valid only if SBS is set */ | |
120 | #define SDIO_CCCR_SUSPEND 0x0c | |
121 | #define SDIO_CCCR_SELx 0x0d | |
122 | #define SDIO_CCCR_EXECx 0x0e | |
123 | #define SDIO_CCCR_READYx 0x0f | |
124 | ||
125 | #define SDIO_CCCR_BLKSIZE 0x10 | |
126 | ||
127 | #define SDIO_CCCR_POWER 0x12 | |
128 | ||
129 | #define SDIO_POWER_SMPC 0x01 /* Supports Master Power Control */ | |
130 | #define SDIO_POWER_EMPC 0x02 /* Enable Master Power Control */ | |
131 | ||
132 | #define SDIO_CCCR_SPEED 0x13 | |
133 | ||
134 | #define SDIO_SPEED_SHS 0x01 /* Supports High-Speed mode */ | |
135 | #define SDIO_SPEED_EHS 0x02 /* Enable High-Speed mode */ | |
136 | ||
137 | /* | |
138 | * Function Basic Registers (FBR) | |
139 | */ | |
140 | ||
7616ee95 DV |
141 | #define SDIO_FBR_BASE(f) ((f) * 0x100) /* base of function f's FBRs */ |
142 | ||
fa64efa1 PO |
143 | #define SDIO_FBR_STD_IF 0x00 |
144 | ||
145 | #define SDIO_FBR_SUPPORTS_CSA 0x40 /* supports Code Storage Area */ | |
146 | #define SDIO_FBR_ENABLE_CSA 0x80 /* enable Code Storage Area */ | |
147 | ||
148 | #define SDIO_FBR_STD_IF_EXT 0x01 | |
149 | ||
150 | #define SDIO_FBR_POWER 0x02 | |
151 | ||
152 | #define SDIO_FBR_POWER_SPS 0x01 /* Supports Power Selection */ | |
153 | #define SDIO_FBR_POWER_EPS 0x02 /* Enable (low) Power Selection */ | |
154 | ||
155 | #define SDIO_FBR_CIS 0x09 /* CIS pointer (3 bytes) */ | |
156 | ||
157 | ||
158 | #define SDIO_FBR_CSA 0x0C /* CSA pointer (3 bytes) */ | |
159 | ||
160 | #define SDIO_FBR_CSA_DATA 0x0F | |
161 | ||
162 | #define SDIO_FBR_BLKSIZE 0x10 /* block size (2 bytes) */ | |
163 | ||
5c4e6f13 PO |
164 | #endif |
165 |