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1 | #ifndef _LINUX_HDREG_H |
2 | #define _LINUX_HDREG_H | |
3 | ||
4 | /* | |
5 | * This file contains some defines for the AT-hd-controller. | |
6 | * Various sources. | |
7 | */ | |
8 | ||
9 | #define HD_IRQ 14 /* the standard disk interrupt */ | |
10 | ||
11 | /* ide.c has its own port definitions in "ide.h" */ | |
12 | ||
13 | /* Hd controller regs. Ref: IBM AT Bios-listing */ | |
14 | #define HD_DATA 0x1f0 /* _CTL when writing */ | |
15 | #define HD_ERROR 0x1f1 /* see err-bits */ | |
16 | #define HD_NSECTOR 0x1f2 /* nr of sectors to read/write */ | |
17 | #define HD_SECTOR 0x1f3 /* starting sector */ | |
18 | #define HD_LCYL 0x1f4 /* starting cylinder */ | |
19 | #define HD_HCYL 0x1f5 /* high byte of starting cyl */ | |
20 | #define HD_CURRENT 0x1f6 /* 101dhhhh , d=drive, hhhh=head */ | |
21 | #define HD_STATUS 0x1f7 /* see status-bits */ | |
22 | #define HD_FEATURE HD_ERROR /* same io address, read=error, write=feature */ | |
23 | #define HD_PRECOMP HD_FEATURE /* obsolete use of this port - predates IDE */ | |
24 | #define HD_COMMAND HD_STATUS /* same io address, read=status, write=cmd */ | |
25 | ||
26 | #define HD_CMD 0x3f6 /* used for resets */ | |
27 | #define HD_ALTSTATUS 0x3f6 /* same as HD_STATUS but doesn't clear irq */ | |
28 | ||
29 | /* remainder is shared between hd.c, ide.c, ide-cd.c, and the hdparm utility */ | |
30 | ||
31 | /* Bits of HD_STATUS */ | |
32 | #define ERR_STAT 0x01 | |
33 | #define INDEX_STAT 0x02 | |
34 | #define ECC_STAT 0x04 /* Corrected error */ | |
35 | #define DRQ_STAT 0x08 | |
36 | #define SEEK_STAT 0x10 | |
37 | #define WRERR_STAT 0x20 | |
38 | #define READY_STAT 0x40 | |
39 | #define BUSY_STAT 0x80 | |
40 | ||
41 | /* Values for HD_COMMAND */ | |
42 | #define WIN_RESTORE 0x10 | |
43 | #define WIN_READ 0x20 | |
44 | #define WIN_WRITE 0x30 | |
45 | #define WIN_WRITE_VERIFY 0x3C | |
46 | #define WIN_VERIFY 0x40 | |
47 | #define WIN_FORMAT 0x50 | |
48 | #define WIN_INIT 0x60 | |
49 | #define WIN_SEEK 0x70 | |
50 | #define WIN_DIAGNOSE 0x90 | |
51 | #define WIN_SPECIFY 0x91 /* set drive geometry translation */ | |
52 | #define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */ | |
53 | #define WIN_SETIDLE1 0xE3 | |
54 | #define WIN_SETIDLE2 0x97 | |
55 | ||
56 | #define WIN_STANDBYNOW1 0xE0 | |
57 | #define WIN_STANDBYNOW2 0x94 | |
58 | #define WIN_SLEEPNOW1 0xE6 | |
59 | #define WIN_SLEEPNOW2 0x99 | |
60 | #define WIN_CHECKPOWERMODE1 0xE5 | |
61 | #define WIN_CHECKPOWERMODE2 0x98 | |
62 | ||
63 | #define WIN_DOORLOCK 0xDE /* lock door on removable drives */ | |
64 | #define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */ | |
65 | ||
66 | #define WIN_MULTREAD 0xC4 /* read sectors using multiple mode */ | |
67 | #define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */ | |
68 | #define WIN_SETMULT 0xC6 /* enable/disable multiple mode */ | |
69 | #define WIN_IDENTIFY 0xEC /* ask drive to identify itself */ | |
70 | #define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */ | |
71 | #define WIN_SETFEATURES 0xEF /* set special drive features */ | |
72 | #define WIN_READDMA 0xC8 /* read sectors using DMA transfers */ | |
73 | #define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */ | |
74 | ||
75 | #define WIN_QUEUED_SERVICE 0xA2 /* */ | |
76 | #define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */ | |
77 | #define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */ | |
78 | ||
79 | #define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */ | |
80 | #define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */ | |
81 | ||
82 | #define WIN_SMART 0xB0 /* self-monitoring and reporting */ | |
83 | ||
84 | /* Additional drive command codes used by ATAPI devices. */ | |
85 | #define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */ | |
86 | #define WIN_SRST 0x08 /* ATAPI soft reset command */ | |
87 | #define WIN_PACKETCMD 0xA0 /* Send a packet command. */ | |
88 | ||
89 | #define DISABLE_SEAGATE 0xFB | |
90 | #define EXABYTE_ENABLE_NEST 0xF0 | |
91 | ||
92 | /* WIN_SMART sub-commands */ | |
93 | ||
94 | #define SMART_READ_VALUES 0xd0 | |
95 | #define SMART_READ_THRESHOLDS 0xd1 | |
96 | #define SMART_AUTOSAVE 0xd2 | |
97 | #define SMART_SAVE 0xd3 | |
98 | #define SMART_IMMEDIATE_OFFLINE 0xd4 | |
99 | #define SMART_READ_LOG_SECTOR 0xd5 | |
100 | #define SMART_WRITE_LOG_SECTOR 0xd6 | |
101 | #define SMART_ENABLE 0xd8 | |
102 | #define SMART_DISABLE 0xd9 | |
103 | #define SMART_STATUS 0xda | |
104 | #define SMART_AUTO_OFFLINE 0xdb | |
105 | ||
106 | /* WIN_SETFEATURES sub-commands */ | |
107 | ||
108 | #define SETFEATURES_EN_WCACHE 0x02 /* Enable write cache */ | |
109 | #define SETFEATURES_XFER 0x03 /* Set transfer mode */ | |
110 | # define XFER_UDMA_7 0x47 /* 0100|0111 */ | |
111 | # define XFER_UDMA_6 0x46 /* 0100|0110 */ | |
112 | # define XFER_UDMA_5 0x45 /* 0100|0101 */ | |
113 | # define XFER_UDMA_4 0x44 /* 0100|0100 */ | |
114 | # define XFER_UDMA_3 0x43 /* 0100|0011 */ | |
115 | # define XFER_UDMA_2 0x42 /* 0100|0010 */ | |
116 | # define XFER_UDMA_1 0x41 /* 0100|0001 */ | |
117 | # define XFER_UDMA_0 0x40 /* 0100|0000 */ | |
118 | # define XFER_MW_DMA_2 0x22 /* 0010|0010 */ | |
119 | # define XFER_MW_DMA_1 0x21 /* 0010|0001 */ | |
120 | # define XFER_MW_DMA_0 0x20 /* 0010|0000 */ | |
121 | # define XFER_SW_DMA_2 0x12 /* 0001|0010 */ | |
122 | # define XFER_SW_DMA_1 0x11 /* 0001|0001 */ | |
123 | # define XFER_SW_DMA_0 0x10 /* 0001|0000 */ | |
124 | # define XFER_PIO_4 0x0C /* 0000|1100 */ | |
125 | # define XFER_PIO_3 0x0B /* 0000|1011 */ | |
126 | # define XFER_PIO_2 0x0A /* 0000|1010 */ | |
127 | # define XFER_PIO_1 0x09 /* 0000|1001 */ | |
128 | # define XFER_PIO_0 0x08 /* 0000|1000 */ | |
129 | # define XFER_PIO_SLOW 0x00 /* 0000|0000 */ | |
130 | #define SETFEATURES_DIS_DEFECT 0x04 /* Disable Defect Management */ | |
131 | #define SETFEATURES_EN_APM 0x05 /* Enable advanced power management */ | |
132 | #define SETFEATURES_DIS_MSN 0x31 /* Disable Media Status Notification */ | |
133 | #define SETFEATURES_DIS_RLA 0x55 /* Disable read look-ahead feature */ | |
134 | #define SETFEATURES_EN_RI 0x5D /* Enable release interrupt */ | |
135 | #define SETFEATURES_EN_SI 0x5E /* Enable SERVICE interrupt */ | |
136 | #define SETFEATURES_DIS_RPOD 0x66 /* Disable reverting to power on defaults */ | |
137 | #define SETFEATURES_DIS_WCACHE 0x82 /* Disable write cache */ | |
138 | #define SETFEATURES_EN_DEFECT 0x84 /* Enable Defect Management */ | |
139 | #define SETFEATURES_DIS_APM 0x85 /* Disable advanced power management */ | |
140 | #define SETFEATURES_EN_MSN 0x95 /* Enable Media Status Notification */ | |
141 | #define SETFEATURES_EN_RLA 0xAA /* Enable read look-ahead feature */ | |
142 | #define SETFEATURES_PREFETCH 0xAB /* Sets drive prefetch value */ | |
143 | #define SETFEATURES_EN_RPOD 0xCC /* Enable reverting to power on defaults */ | |
144 | #define SETFEATURES_DIS_RI 0xDD /* Disable release interrupt */ | |
145 | #define SETFEATURES_DIS_SI 0xDE /* Disable SERVICE interrupt */ | |
146 | ||
147 | /* WIN_SECURITY sub-commands */ | |
148 | ||
149 | #define SECURITY_SET_PASSWORD 0xBA /* 0xF1 */ | |
150 | #define SECURITY_UNLOCK 0xBB /* 0xF2 */ | |
151 | #define SECURITY_ERASE_PREPARE 0xBC /* 0xF3 */ | |
152 | #define SECURITY_ERASE_UNIT 0xBD /* 0xF4 */ | |
153 | #define SECURITY_FREEZE_LOCK 0xBE /* 0xF5 */ | |
154 | #define SECURITY_DISABLE_PASSWORD 0xBF /* 0xF6 */ | |
155 | ||
156 | /* Bits for HD_ERROR */ | |
157 | #define MARK_ERR 0x01 /* Bad address mark */ | |
158 | #define TRK0_ERR 0x02 /* couldn't find track 0 */ | |
159 | #define ABRT_ERR 0x04 /* Command aborted */ | |
160 | #define MCR_ERR 0x08 /* media change request */ | |
161 | #define ID_ERR 0x10 /* ID field not found */ | |
162 | #define ECC_ERR 0x40 /* Uncorrectable ECC error */ | |
163 | #define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */ | |
164 | #define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */ | |
165 | ||
166 | struct hd_geometry { | |
167 | unsigned char heads; | |
168 | unsigned char sectors; | |
169 | unsigned short cylinders; | |
170 | unsigned long start; | |
171 | }; | |
172 | ||
173 | /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */ | |
174 | #define HDIO_GETGEO 0x0301 /* get device geometry */ | |
175 | #define HDIO_GET_UNMASKINTR 0x0302 /* get current unmask setting */ | |
176 | #define HDIO_GET_MULTCOUNT 0x0304 /* get current IDE blockmode setting */ | |
177 | #define HDIO_OBSOLETE_IDENTITY 0x0307 /* OBSOLETE, DO NOT USE: returns 142 bytes */ | |
178 | #define HDIO_GET_KEEPSETTINGS 0x0308 /* get keep-settings-on-reset flag */ | |
179 | #define HDIO_GET_32BIT 0x0309 /* get current io_32bit setting */ | |
180 | #define HDIO_GET_NOWERR 0x030a /* get ignore-write-error flag */ | |
181 | #define HDIO_GET_DMA 0x030b /* get use-dma flag */ | |
182 | #define HDIO_GET_NICE 0x030c /* get nice flags */ | |
183 | #define HDIO_GET_IDENTITY 0x030d /* get IDE identification info */ | |
184 | ||
185 | #define HDIO_DRIVE_RESET 0x031c /* execute a device reset */ | |
186 | #define HDIO_TRISTATE_HWIF 0x031d /* execute a channel tristate */ | |
187 | #ifndef __EMX__ | |
188 | #define HDIO_DRIVE_TASK 0x031e /* execute task and special drive command */ | |
189 | #endif | |
190 | #define HDIO_DRIVE_CMD 0x031f /* execute a special drive command */ | |
191 | ||
192 | #define HDIO_DRIVE_CMD_AEB HDIO_DRIVE_TASK | |
193 | ||
194 | /* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */ | |
195 | #define HDIO_SET_MULTCOUNT 0x0321 /* change IDE blockmode */ | |
196 | #define HDIO_SET_UNMASKINTR 0x0322 /* permit other irqs during I/O */ | |
197 | #define HDIO_SET_KEEPSETTINGS 0x0323 /* keep ioctl settings on reset */ | |
198 | #define HDIO_SET_32BIT 0x0324 /* change io_32bit flags */ | |
199 | #define HDIO_SET_NOWERR 0x0325 /* change ignore-write-error flag */ | |
200 | #define HDIO_SET_DMA 0x0326 /* change use-dma flag */ | |
201 | #define HDIO_SET_PIO_MODE 0x0327 /* reconfig interface to new speed */ | |
202 | #define HDIO_SCAN_HWIF 0x0328 /* register and (re)scan interface */ | |
203 | #define HDIO_SET_NICE 0x0329 /* set nice flags */ | |
204 | #define HDIO_UNREGISTER_HWIF 0x032a /* unregister interface */ | |
205 | ||
206 | /* BIG GEOMETRY */ | |
207 | struct hd_big_geometry { | |
208 | unsigned char heads; | |
209 | unsigned char sectors; | |
210 | unsigned int cylinders; | |
211 | unsigned long start; | |
212 | }; | |
213 | ||
214 | /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */ | |
215 | #define HDIO_GETGEO_BIG 0x0330 /* */ | |
216 | #define HDIO_GETGEO_BIG_RAW 0x0331 /* */ | |
217 | ||
218 | #define __NEW_HD_DRIVE_ID | |
219 | /* structure returned by HDIO_GET_IDENTITY, as per ANSI ATA2 rev.2f spec */ | |
220 | struct hd_driveid { | |
221 | unsigned short config; /* lots of obsolete bit flags */ | |
222 | unsigned short cyls; /* "physical" cyls */ | |
223 | unsigned short reserved2; /* reserved (word 2) */ | |
224 | unsigned short heads; /* "physical" heads */ | |
225 | unsigned short track_bytes; /* unformatted bytes per track */ | |
226 | unsigned short sector_bytes; /* unformatted bytes per sector */ | |
227 | unsigned short sectors; /* "physical" sectors per track */ | |
228 | unsigned short vendor0; /* vendor unique */ | |
229 | unsigned short vendor1; /* vendor unique */ | |
230 | unsigned short vendor2; /* vendor unique */ | |
231 | unsigned char serial_no[20]; /* 0 = not_specified */ | |
232 | unsigned short buf_type; | |
233 | unsigned short buf_size; /* 512 byte increments; 0 = not_specified */ | |
234 | unsigned short ecc_bytes; /* for r/w long cmds; 0 = not_specified */ | |
235 | unsigned char fw_rev[8]; /* 0 = not_specified */ | |
236 | unsigned char model[40]; /* 0 = not_specified */ | |
237 | unsigned char max_multsect; /* 0=not_implemented */ | |
238 | unsigned char vendor3; /* vendor unique */ | |
239 | unsigned short dword_io; /* 0=not_implemented; 1=implemented */ | |
240 | unsigned char vendor4; /* vendor unique */ | |
241 | unsigned char capability; /* bits 0:DMA 1:LBA 2:IORDYsw 3:IORDYsup*/ | |
242 | unsigned short reserved50; /* reserved (word 50) */ | |
243 | unsigned char vendor5; /* vendor unique */ | |
244 | unsigned char tPIO; /* 0=slow, 1=medium, 2=fast */ | |
245 | unsigned char vendor6; /* vendor unique */ | |
246 | unsigned char tDMA; /* 0=slow, 1=medium, 2=fast */ | |
247 | unsigned short field_valid; /* bits 0:cur_ok 1:eide_ok */ | |
248 | unsigned short cur_cyls; /* logical cylinders */ | |
249 | unsigned short cur_heads; /* logical heads */ | |
250 | unsigned short cur_sectors; /* logical sectors per track */ | |
251 | unsigned short cur_capacity0; /* logical total sectors on drive */ | |
252 | unsigned short cur_capacity1; /* (2 words, misaligned int) */ | |
253 | unsigned char multsect; /* current multiple sector count */ | |
254 | unsigned char multsect_valid; /* when (bit0==1) multsect is ok */ | |
255 | unsigned int lba_capacity; /* total number of sectors */ | |
256 | unsigned short dma_1word; /* single-word dma info */ | |
257 | unsigned short dma_mword; /* multiple-word dma info */ | |
258 | unsigned short eide_pio_modes; /* bits 0:mode3 1:mode4 */ | |
259 | unsigned short eide_dma_min; /* min mword dma cycle time (ns) */ | |
260 | unsigned short eide_dma_time; /* recommended mword dma cycle time (ns) */ | |
261 | unsigned short eide_pio; /* min cycle time (ns), no IORDY */ | |
262 | unsigned short eide_pio_iordy; /* min cycle time (ns), with IORDY */ | |
263 | unsigned short words69_70[2]; /* reserved words 69-70 */ | |
264 | /* HDIO_GET_IDENTITY currently returns only words 0 through 70 */ | |
265 | unsigned short words71_74[4]; /* reserved words 71-74 */ | |
266 | unsigned short queue_depth; /* */ | |
267 | unsigned short words76_79[4]; /* reserved words 76-79 */ | |
268 | unsigned short major_rev_num; /* */ | |
269 | unsigned short minor_rev_num; /* */ | |
270 | unsigned short command_set_1; /* bits 0:Smart 1:Security 2:Removable 3:PM */ | |
271 | unsigned short command_set_2; /* bits 14:Smart Enabled 13:0 zero */ | |
272 | unsigned short cfsse; /* command set-feature supported extensions */ | |
273 | unsigned short cfs_enable_1; /* command set-feature enabled */ | |
274 | unsigned short cfs_enable_2; /* command set-feature enabled */ | |
275 | unsigned short csf_default; /* command set-feature default */ | |
276 | unsigned short dma_ultra; /* */ | |
277 | unsigned short word89; /* reserved (word 89) */ | |
278 | unsigned short word90; /* reserved (word 90) */ | |
279 | unsigned short CurAPMvalues; /* current APM values */ | |
280 | unsigned short word92; /* reserved (word 92) */ | |
281 | unsigned short hw_config; /* hardware config */ | |
282 | unsigned short words94_125[32];/* reserved words 94-125 */ | |
283 | unsigned short last_lun; /* reserved (word 126) */ | |
284 | unsigned short word127; /* reserved (word 127) */ | |
285 | unsigned short dlf; /* device lock function | |
286 | * 15:9 reserved | |
287 | * 8 security level 1:max 0:high | |
288 | * 7:6 reserved | |
289 | * 5 enhanced erase | |
290 | * 4 expire | |
291 | * 3 frozen | |
292 | * 2 locked | |
293 | * 1 en/disabled | |
294 | * 0 capability | |
295 | */ | |
296 | unsigned short csfo; /* current set features options | |
297 | * 15:4 reserved | |
298 | * 3 auto reassign | |
299 | * 2 reverting | |
300 | * 1 read-look-ahead | |
301 | * 0 write cache | |
302 | */ | |
303 | unsigned short words130_155[26];/* reserved vendor words 130-155 */ | |
304 | unsigned short word156; | |
305 | unsigned short words157_159[3];/* reserved vendor words 157-159 */ | |
306 | unsigned short words160_255[95];/* reserved words 160-255 */ | |
307 | }; | |
308 | ||
309 | /* | |
310 | * IDE "nice" flags. These are used on a per drive basis to determine | |
311 | * when to be nice and give more bandwidth to the other devices which | |
312 | * share the same IDE bus. | |
313 | */ | |
314 | #define IDE_NICE_DSC_OVERLAP (0) /* per the DSC overlap protocol */ | |
315 | #define IDE_NICE_ATAPI_OVERLAP (1) /* not supported yet */ | |
316 | #define IDE_NICE_0 (2) /* when sure that it won't affect us */ | |
317 | #define IDE_NICE_1 (3) /* when probably won't affect us much */ | |
318 | #define IDE_NICE_2 (4) /* when we know it's on our expense */ | |
319 | ||
320 | #ifdef __KERNEL__ | |
321 | /* | |
322 | * These routines are used for kernel command line parameters from main.c: | |
323 | */ | |
324 | #include <linux/config.h> | |
325 | ||
326 | #if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE) | |
327 | int ide_register(int io_port, int ctl_port, int irq); | |
328 | void ide_unregister(unsigned int); | |
329 | #endif /* CONFIG_BLK_DEV_IDE || CONFIG_BLK_DEV_IDE_MODULE */ | |
330 | ||
331 | #endif /* __KERNEL__ */ | |
332 | ||
333 | #endif /* _LINUX_HDREG_H */ |