4 #include "types.h" // u8
5 #include "config.h" // CONFIG_MAX_ATA_INTERFACES
6 #include "disk.h" // struct drive_s
15 struct pci_device *pci_tmp;
20 struct ata_channel_s *chan_gf;
25 char *ata_extract_model(char *model, u32 size, u16 *buffer);
26 int ata_extract_version(u16 *buffer);
27 int cdrom_read(struct disk_op_s *op);
28 int atapi_cmd_data(struct disk_op_s *op, void *cdbcmd, u16 blocksize);
30 int process_ata_op(struct disk_op_s *op);
31 int process_atapi_op(struct disk_op_s *op);
33 // Global defines -- ATA register and register bits.
34 // command block & control block regs
35 #define ATA_CB_DATA 0 // data reg in/out pio_base_addr1+0
36 #define ATA_CB_ERR 1 // error in pio_base_addr1+1
37 #define ATA_CB_FR 1 // feature reg out pio_base_addr1+1
38 #define ATA_CB_SC 2 // sector count in/out pio_base_addr1+2
39 #define ATA_CB_SN 3 // sector number in/out pio_base_addr1+3
40 #define ATA_CB_CL 4 // cylinder low in/out pio_base_addr1+4
41 #define ATA_CB_CH 5 // cylinder high in/out pio_base_addr1+5
42 #define ATA_CB_DH 6 // device head in/out pio_base_addr1+6
43 #define ATA_CB_STAT 7 // primary status in pio_base_addr1+7
44 #define ATA_CB_CMD 7 // command out pio_base_addr1+7
46 #define ATA_CB_ASTAT 2 // alternate status in pio_base_addr2+2
47 #define ATA_CB_DC 2 // device control out pio_base_addr2+2
48 #define ATA_CB_DA 3 // device address in pio_base_addr2+3
50 #define ATA_CB_ER_ICRC 0x80 // ATA Ultra DMA bad CRC
51 #define ATA_CB_ER_BBK 0x80 // ATA bad block
52 #define ATA_CB_ER_UNC 0x40 // ATA uncorrected error
53 #define ATA_CB_ER_MC 0x20 // ATA media change
54 #define ATA_CB_ER_IDNF 0x10 // ATA id not found
55 #define ATA_CB_ER_MCR 0x08 // ATA media change request
56 #define ATA_CB_ER_ABRT 0x04 // ATA command aborted
57 #define ATA_CB_ER_NTK0 0x02 // ATA track 0 not found
58 #define ATA_CB_ER_NDAM 0x01 // ATA address mark not found
60 #define ATA_CB_ER_P_SNSKEY 0xf0 // ATAPI sense key (mask)
61 #define ATA_CB_ER_P_MCR 0x08 // ATAPI Media Change Request
62 #define ATA_CB_ER_P_ABRT 0x04 // ATAPI command abort
63 #define ATA_CB_ER_P_EOM 0x02 // ATAPI End of Media
64 #define ATA_CB_ER_P_ILI 0x01 // ATAPI Illegal Length Indication
66 // ATAPI Interrupt Reason bits in the Sector Count reg (CB_SC)
67 #define ATA_CB_SC_P_TAG 0xf8 // ATAPI tag (mask)
68 #define ATA_CB_SC_P_REL 0x04 // ATAPI release
69 #define ATA_CB_SC_P_IO 0x02 // ATAPI I/O
70 #define ATA_CB_SC_P_CD 0x01 // ATAPI C/D
72 // bits 7-4 of the device/head (CB_DH) reg
73 #define ATA_CB_DH_DEV0 0xa0 // select device 0
74 #define ATA_CB_DH_DEV1 0xb0 // select device 1
75 #define ATA_CB_DH_LBA 0x40 // use LBA
77 // status reg (CB_STAT and CB_ASTAT) bits
78 #define ATA_CB_STAT_BSY 0x80 // busy
79 #define ATA_CB_STAT_RDY 0x40 // ready
80 #define ATA_CB_STAT_DF 0x20 // device fault
81 #define ATA_CB_STAT_WFT 0x20 // write fault (old name)
82 #define ATA_CB_STAT_SKC 0x10 // seek complete
83 #define ATA_CB_STAT_SERV 0x10 // service
84 #define ATA_CB_STAT_DRQ 0x08 // data request
85 #define ATA_CB_STAT_CORR 0x04 // corrected
86 #define ATA_CB_STAT_IDX 0x02 // index
87 #define ATA_CB_STAT_ERR 0x01 // error (ATA)
88 #define ATA_CB_STAT_CHK 0x01 // check (ATAPI)
90 // device control reg (CB_DC) bits
91 #define ATA_CB_DC_HD15 0x08 // bit should always be set to one
92 #define ATA_CB_DC_SRST 0x04 // soft reset
93 #define ATA_CB_DC_NIEN 0x02 // disable interrupts
95 // Most mandtory and optional ATA commands (from ATA-3),
96 #define ATA_CMD_NOP 0x00
97 #define ATA_CMD_CFA_REQUEST_EXT_ERR_CODE 0x03
98 #define ATA_CMD_DEVICE_RESET 0x08
99 #define ATA_CMD_RECALIBRATE 0x10
100 #define ATA_CMD_READ_SECTORS 0x20
101 #define ATA_CMD_READ_SECTORS_EXT 0x24
102 #define ATA_CMD_READ_DMA_EXT 0x25
103 #define ATA_CMD_READ_DMA_QUEUED_EXT 0x26
104 #define ATA_CMD_READ_NATIVE_MAX_ADDRESS_EXT 0x27
105 #define ATA_CMD_READ_MULTIPLE_EXT 0x29
106 #define ATA_CMD_READ_LOG_EXT 0x2F
107 #define ATA_CMD_WRITE_SECTORS 0x30
108 #define ATA_CMD_WRITE_SECTORS_EXT 0x34
109 #define ATA_CMD_WRITE_DMA_EXT 0x35
110 #define ATA_CMD_WRITE_DMA_QUEUED_EXT 0x36
111 #define ATA_CMD_SET_MAX_ADDRESS_EXT 0x37
112 #define ATA_CMD_CFA_WRITE_SECTORS_WO_ERASE 0x38
113 #define ATA_CMD_WRITE_MULTIPLE_EXT 0x39
114 #define ATA_CMD_WRITE_VERIFY 0x3C
115 #define ATA_CMD_WRITE_LOG_EXT 0x3F
116 #define ATA_CMD_READ_VERIFY_SECTORS 0x40
117 #define ATA_CMD_READ_VERIFY_SECTORS_EXT 0x42
118 #define ATA_CMD_FORMAT_TRACK 0x50
119 #define ATA_CMD_SEEK 0x70
120 #define ATA_CMD_CFA_TRANSLATE_SECTOR 0x87
121 #define ATA_CMD_EXECUTE_DEVICE_DIAGNOSTIC 0x90
122 #define ATA_CMD_INITIALIZE_DEVICE_PARAMETERS 0x91
123 #define ATA_CMD_STANDBY_IMMEDIATE2 0x94
124 #define ATA_CMD_IDLE_IMMEDIATE2 0x95
125 #define ATA_CMD_STANDBY2 0x96
126 #define ATA_CMD_IDLE2 0x97
127 #define ATA_CMD_CHECK_POWER_MODE2 0x98
128 #define ATA_CMD_SLEEP2 0x99
129 #define ATA_CMD_PACKET 0xA0
130 #define ATA_CMD_IDENTIFY_PACKET_DEVICE 0xA1
131 #define ATA_CMD_CFA_ERASE_SECTORS 0xC0
132 #define ATA_CMD_READ_MULTIPLE 0xC4
133 #define ATA_CMD_WRITE_MULTIPLE 0xC5
134 #define ATA_CMD_SET_MULTIPLE_MODE 0xC6
135 #define ATA_CMD_READ_DMA_QUEUED 0xC7
136 #define ATA_CMD_READ_DMA 0xC8
137 #define ATA_CMD_WRITE_DMA 0xCA
138 #define ATA_CMD_WRITE_DMA_QUEUED 0xCC
139 #define ATA_CMD_CFA_WRITE_MULTIPLE_WO_ERASE 0xCD
140 #define ATA_CMD_STANDBY_IMMEDIATE 0xE0
141 #define ATA_CMD_IDLE_IMMEDIATE 0xE1
142 #define ATA_CMD_STANDBY 0xE2
143 #define ATA_CMD_IDLE 0xE3
144 #define ATA_CMD_READ_BUFFER 0xE4
145 #define ATA_CMD_CHECK_POWER_MODE 0xE5
146 #define ATA_CMD_SLEEP 0xE6
147 #define ATA_CMD_FLUSH_CACHE 0xE7
148 #define ATA_CMD_WRITE_BUFFER 0xE8
149 #define ATA_CMD_IDENTIFY_DEVICE 0xEC
150 #define ATA_CMD_SET_FEATURES 0xEF
151 #define ATA_CMD_READ_NATIVE_MAX_ADDRESS 0xF8
152 #define ATA_CMD_SET_MAX 0xF9