PS2SDK
PS2 Homebrew Libraries
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spi_sdcard_driver.h
1#ifndef SPI_SDCARD_DRIVER_H
2#define SPI_SDCARD_DRIVER_H
3
4#include <bdm.h>
5#include <stdint.h>
6
7#define READ_TOKEN_TIMEOUT 4000
8#define SECTOR_SIZE 512
9
10#define CMD_ABORT_NO_READ_TOKEN 0x1
11#define CMD_ABORT_CRC16_INVALID 0x2
12#define CMD_ABORT_WRITE_ERROR 0x3
13#define CMD_ABORT_UKNOWN_ERROR 0x7
14
15typedef enum card_type_e {
16 CARD_TYPE_MMC = 0x00,
17 CARD_TYPE_SDV1 = 0x01,
18 CARD_TYPE_SDV2 = 0x02,
19 CARD_TYPE_SDV2HC = 0x04
20} card_type_t;
21
22typedef enum spisd_result_s {
23 SPISD_RESULT_OK = 0,
24 SPISD_RESULT_ERROR,
25 SPISD_RESULT_NO_CARD,
26 SPISD_RESULT_TIMEOUT,
27} spisd_result_t;
28
29/*
30 * START: structures copied from wisi's implementation
31 */
32struct t_csdVer1
33{
34 u8 reserved1 : 6;
35 u8 csd_structure : 2;
36 u8 taac : 8;
37 u8 nsac : 8;
38 u8 tran_speed : 8;
39
40 u16 cccHi : 8;
41 u16 read_bl_len : 4;
42 u16 cccLo : 4;
43
44 u32 c_sizeHi : 2;
45 u8 read_bl_partial : 1;
46 u8 write_blk_misalign : 1;
47 u8 read_blk_misalign : 1;
48 u8 dsr_imp : 1;
49 u8 reserved2 : 2;
50
51 u32 c_sizeMd : 8;
52
53 u32 c_sizeLo : 2;
54 u8 vdd_r_curr_max : 3;
55 u8 vdd_r_curr_min : 3;
56
57 u8 c_size_multHi : 2;
58 u8 vdd_w_curr_max : 3;
59 u8 vdd_w_curr_min : 3;
60
61 u8 c_size_multLo : 1;
62 // XXX: The folowing are not fixed to correct endianness!
63 u8 erase_blk_en : 1;
64 u8 sector_size_high : 6;
65 u8 sector_size_low : 1;
66 u8 wp_grp_size : 7;
67 u8 ep_grp_enable : 1;
68 u8 reserved5 : 2;
69 u8 r2w_factor : 3;
70 u8 write_bl_len_high : 2;
71 u8 write_bl_len_low : 2;
72 u8 write_bl_partial : 1;
73 u8 reserved6 : 5;
74 u8 file_format_group : 1;
75 u8 copy : 1;
76 u8 perm_write_protect : 1;
77 u8 tmp_write_protect : 1;
78 u8 file_format : 2;
79 u8 reserved7 : 2;
80 u8 crc : 7;
81 u8 fixedTo1 : 1;
82} __attribute__((packed));
83
84struct t_csdVer2
85{
86 u8 reserved1 : 6;
87 u8 csd_structure : 2;
88 u8 taac : 8;
89 u8 nsac : 8;
90 u8 tran_speed : 8;
91
92 u16 cccHi : 8;
93 u16 read_bl_len : 4;
94 u16 cccLo : 4;
95
96 // Not fixed!:
97 u8 read_bl_partial : 1;
98 u8 write_blk_misalign : 1;
99 u8 read_blk_misalign : 1;
100 u8 dsr_imp : 1;
101 u8 reserved2 : 4;
102
103 // fixed:
104 u32 c_sizeHi : 6;
105 u8 reserved3 : 2; // I give up - this is far too unaligned...
106 // 79:58
107 u32 c_sizeMd : 8;
108 u32 c_sizeLo : 8; // 16 22;
109
110 // Not fixed!:
111 u32 reserved4 : 1;
112 u8 erase_blk_en : 1;
113 u8 sector_size_high : 6;
114 u8 sector_size_low : 1;
115 u8 wp_grp_size : 7;
116 u8 ep_grp_enable : 1;
117 u8 reserved5 : 2;
118 u8 r2w_factor : 3;
119 u8 write_bl_len_high : 2;
120 u8 write_bl_len_low : 2;
121 u8 write_bl_partial : 1;
122 u8 reserved6 : 5;
123 u8 file_format_group : 1;
124 u8 copy : 1;
125 u8 perm_write_protect : 1;
126 u8 tmp_write_protect : 1;
127 u8 file_format : 2;
128 u8 reserved7 : 2;
129 u8 crc : 7;
130 u8 fixedTo1 : 1;
131} __attribute__((packed));
132/*
133 * END: structures copied from wisi's implementation
134 */
135
136typedef struct spisd_cid_t
137{ /* Card Identification Data */
138 uint8_t ManufacturerID; /* ManufacturerID */
139 uint16_t OEM_AppliID; /* OEM/Application ID */
140 uint32_t ProdName1; /* Product Name part1 */
141 uint8_t ProdName2; /* Product Name part2*/
142 uint8_t ProdRev; /* Product Revision */
143 uint32_t ProdSN; /* Product Serial Number */
144 uint8_t Reserved1; /* Reserved1 */
145 uint16_t ManufactDate; /* Manufacturing Date */
146 uint8_t CID_CRC; /* CID CRC */
147}spisd_cid_t;
148
149/* global struct for everything sdcard */
150typedef struct spisd_t
151{
152 uint8_t csd[16];
153 spisd_cid_t cid;
154 card_type_t card_type;
155 uint8_t initialized;
156 uint8_t used;
157}spisd_t;
158
159/* globals */
160extern spisd_t sdcard;
161extern struct block_device bd;
162
163extern uint16_t spisd_read_status_register();
164
165/* init */
166extern int spisd_init_card(); /* bring card up from identification mode to data-transfer mode */
167extern int spisd_get_card_info(); /* get card info and reattach to bdm if card capacity changed */
168extern int spisd_recover();
169
170/* BDM functions */
171extern int spisd_read(struct block_device *bd, uint64_t sector, void *buffer, uint16_t count);
172extern int spisd_write(struct block_device *bd, uint64_t sector, const void *buffer, uint16_t count);
173extern void spisd_flush(struct block_device *bd);
174extern int spisd_stop(struct block_device *bd);
175
176
177#endif
block_device
Definition bdm.h:22
__attribute__
typedef __attribute__
Definition tlbfunc.c:60
spisd_cid_t
Definition spi_sdcard_driver.h:137
spisd_t
Definition spi_sdcard_driver.h:151
t_csdVer1
Definition spi_sdcard_driver.h:33
t_csdVer2
Definition spi_sdcard_driver.h:85
count
u32 count
start sector of fragmented bd/file
Definition usbhdfsd-common.h:1