1/*-
2 * Copyright (c) 1998,1999,2000 S�ren Schmidt
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
--- 11 unchanged lines hidden (view full) ---
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD: head/sys/dev/ata/ata-all.h 66070 2000-09-19 11:08:39Z sos $
29 */
30
31/* ATA register defines */
32#define ATA_DATA 0x00 /* data register */
33#define ATA_ERROR 0x01 /* (R) error register */
34#define ATA_E_NM 0x02 /* no media */
35#define ATA_E_ABORT 0x04 /* command aborted */
36#define ATA_E_MCR 0x08 /* media change request */
--- 16 unchanged lines hidden (view full) ---
53#define ATA_SECTOR 0x03 /* sector # */
54#define ATA_CYL_LSB 0x04 /* cylinder# LSB */
55#define ATA_CYL_MSB 0x05 /* cylinder# MSB */
56#define ATA_DRIVE 0x06 /* Sector/Drive/Head register */
57#define ATA_D_LBA 0x40 /* use LBA adressing */
58#define ATA_D_IBM 0xa0 /* 512 byte sectors, ECC */
59
60#define ATA_CMD 0x07 /* command register */
61#define ATA_C_NOP 0x00 /* NOP command */
62#define ATA_C_F_FLUSHQUEUE 0x00 /* flush queued cmd's */
63#define ATA_C_F_AUTOPOLL 0x01 /* start autopoll function */
64#define ATA_C_ATAPI_RESET 0x08 /* reset ATAPI device */
65#define ATA_C_READ 0x20 /* read command */
66#define ATA_C_WRITE 0x30 /* write command */
67#define ATA_C_PACKET_CMD 0xa0 /* packet command */
68#define ATA_C_ATAPI_IDENTIFY 0xa1 /* get ATAPI params*/
69#define ATA_C_SERVICE 0xa2 /* service command */
70#define ATA_C_READ_MUL 0xc4 /* read multi command */
71#define ATA_C_WRITE_MUL 0xc5 /* write multi command */
72#define ATA_C_SET_MULTI 0xc6 /* set multi size command */
73#define ATA_C_READ_DMA_QUEUED 0xc7 /* read w/DMA QUEUED command */
74#define ATA_C_READ_DMA 0xc8 /* read w/DMA command */
75#define ATA_C_WRITE_DMA 0xca /* write w/DMA command */
76#define ATA_C_WRITE_DMA_QUEUED 0xcc /* write w/DMA QUEUED command */
77#define ATA_C_ATA_IDENTIFY 0xec /* get ATA params */
78#define ATA_C_SETFEATURES 0xef /* features command */
79#define ATA_C_F_SETXFER 0x03 /* set transfer mode */
80#define ATA_C_F_ENAB_WCACHE 0x02 /* enable write cache */
81#define ATA_C_F_ENAB_SRVIRQ 0x5e /* enable service interrupt */
82#define ATA_C_F_ENAB_RCACHE 0xaa /* enable readahead cache */
83#define ATA_C_F_DIS_RELIRQ 0xdd /* disable release interrupt */
84#define ATA_C_F_DIS_SRVIRQ 0xde /* disable service interrupt */
85
86#define ATA_STATUS 0x07 /* status register */
87#define ATA_S_ERROR 0x01 /* error */
88#define ATA_S_INDEX 0x02 /* index */
89#define ATA_S_CORR 0x04 /* data corrected */
90#define ATA_S_DRQ 0x08 /* data request */
91#define ATA_S_DSC 0x10 /* drive seek completed */
92#define ATA_S_SERVICE 0x10 /* drive needs service */
93#define ATA_S_DWF 0x20 /* drive write fault */
94#define ATA_S_DMA 0x20 /* DMA ready */
95#define ATA_S_READY 0x40 /* drive ready */
96#define ATA_S_BUSY 0x80 /* busy */
97
98#define ATA_ALTSTAT 0x02 /* alternate status register */
99#define ATA_ALTCTRL 0X02 /* alternate device control */
100#define ATA_A_IDS 0x02 /* disable interrupts */
101#define ATA_A_RESET 0x04 /* RESET controller */
102#define ATA_A_4BIT 0x08 /* 4 head bits */
103
104#define ATA_ALTPORT 0x204 /* alternate registers offset */
105#define ATA_ALTIOSIZE 0x01 /* alternate registers size */
106
107/* misc defines */
108#define ATA_MASTER 0x00
109#define ATA_SLAVE 0x10
110#define ATA_IOSIZE 0x08
111#define ATA_OP_FINISHED 0x00
112#define ATA_OP_CONTINUES 0x01
113#define ATA_DEV(unit) ((unit == ATA_MASTER) ? 0 : 1)
114#define ATA_PARAM(scp, unit) (scp->dev_param[ATA_DEV(unit)])
115
116/* busmaster DMA related defines */
117#define ATA_BM_OFFSET1 0x08
118#define ATA_DMA_ENTRIES 256
119#define ATA_DMA_EOT 0x80000000
120
121#define ATA_BMCMD_PORT 0x00
122#define ATA_BMCMD_START_STOP 0x01
123#define ATA_BMCMD_WRITE_READ 0x08
--- 36 unchanged lines hidden (view full) ---
160#define ATAPI_TYPE_CDROM 5 /* CD-ROM device */
161#define ATAPI_TYPE_OPTICAL 7 /* optical disk */
162
163 u_int8_t :1;
164 u_int8_t proto :2; /* command protocol */
165#define ATAPI_PROTO_ATAPI 2
166
167 u_int16_t cylinders; /* number of cylinders */
168 u_int16_t reserved2;
169 u_int16_t heads; /* # heads */
170 u_int16_t unfbytespertrk; /* # unformatted bytes/track */
171 u_int16_t unfbytes; /* # unformatted bytes/sector */
172 u_int16_t sectors; /* # sectors/track */
173 u_int16_t vendorunique0[3];
174 u_int8_t serial[20]; /* serial number */
175 u_int16_t buffertype; /* buffer type */
176#define ATA_BT_SINGLEPORTSECTOR 1 /* 1 port, 1 sector buffer */
177#define ATA_BT_DUALPORTMULTI 2 /* 2 port, mult sector buffer */
178#define ATA_BT_DUALPORTMULTICACHE 3 /* above plus track cache */
179
180 u_int16_t buffersize; /* buf size, 512-byte units */
181 u_int16_t necc; /* ecc bytes appended */
182 u_int8_t revision[8]; /* firmware revision */
183 u_int8_t model[40]; /* model name */
184 u_int8_t nsecperint; /* sectors per interrupt */
185 u_int8_t vendorunique1;
186 u_int16_t usedmovsd; /* double word read/write? */
187
188 u_int8_t vendorcap; /* vendor capabilities */
189 u_int8_t dmaflag :1; /* DMA supported - always 1 */
190 u_int8_t lbaflag :1; /* LBA supported - always 1 */
191 u_int8_t iordydis :1; /* IORDY may be disabled */
192 u_int8_t iordyflag :1; /* IORDY supported */
193 u_int8_t softreset :1; /* needs softreset when busy */
194 u_int8_t stdby_ovlap :1; /* standby/overlap supported */
195 u_int8_t queueing :1; /* supports queuing overlap */
196 u_int8_t idmaflag :1; /* interleaved DMA supported */
197 u_int16_t capvalidate; /* validation for above */
198
199 u_int8_t vendorunique3;
200 u_int8_t opiomode; /* PIO modes 0-2 */
201 u_int8_t vendorunique4;
202 u_int8_t odmamode; /* old DMA modes, not ATA-3 */
203
204 u_int16_t atavalid; /* fields valid */
205#define ATA_FLAG_54_58 1 /* words 54-58 valid */
206#define ATA_FLAG_64_70 2 /* words 64-70 valid */
207#define ATA_FLAG_88 4 /* word 88 valid */
208
209 u_int16_t currcyls;
210 u_int16_t currheads;
211 u_int16_t currsectors;
212 u_int16_t currsize0;
213 u_int16_t currsize1;
214 u_int8_t currmultsect;
215 u_int8_t multsectvalid;
216 u_int32_t lbasize;
217
218 u_int16_t sdmamodes; /* singleword DMA modes */
219 u_int16_t wdmamodes; /* multiword DMA modes */
220 u_int16_t apiomodes; /* advanced PIO modes */
221
222 u_int16_t mwdmamin; /* min. M/W DMA time/word ns */
223 u_int16_t mwdmarec; /* rec. M/W DMA time ns */
224 u_int16_t pioblind; /* min. PIO cycle w/o flow */
225 u_int16_t pioiordy; /* min. PIO cycle IORDY flow */
226
227 u_int16_t reserved69;
228 u_int16_t reserved70;
229 u_int16_t rlsovlap; /* rel time (us) for overlap */
230 u_int16_t rlsservice; /* rel time (us) for service */
231 u_int16_t reserved73;
232 u_int16_t reserved74;
233 u_int16_t queuelen:5;
234 u_int16_t :11;
235 u_int16_t reserved76;
236 u_int16_t reserved77;
237 u_int16_t reserved78;
238 u_int16_t reserved79;
239 u_int16_t versmajor;
240 u_int16_t versminor;
241 u_int16_t featsupp1; /* 82 */
242 u_int16_t supmicrocode:1;
243 u_int16_t supqueued:1;
244 u_int16_t supcfa:1;
245 u_int16_t supapm:1;
246 u_int16_t suprmsn:1;
247 u_int16_t :11;
248 u_int16_t featsupp3; /* 84 */
249 u_int16_t featenab1; /* 85 */
250 u_int16_t enabmicrocode:1;
251 u_int16_t enabqueued:1;
252 u_int16_t enabcfa:1;
253 u_int16_t enabapm:1;
254 u_int16_t enabrmsn:1;
255 u_int16_t :11;
256 u_int16_t featenab3; /* 87 */
257 u_int16_t udmamodes; /* UltraDMA modes */
258 u_int16_t erasetime;
259 u_int16_t enherasetime;
260 u_int16_t apmlevel;
261 u_int16_t masterpasswdrev;
262 u_int16_t masterhwres :8;
263 u_int16_t slavehwres :5;
264 u_int16_t cblid :1;
265 u_int16_t reserved93_1415 :2;
266 u_int16_t reserved94[32];
267 u_int16_t rmvstat;
268 u_int16_t securstat;
269 u_int16_t reserved129[30];
270 u_int16_t cfapwrmode;
271 u_int16_t reserved161[84];
272 u_int16_t integrity;
273};
274
275/* structure describing an ATA device */
276struct ata_softc {
277 struct device *dev; /* device handle */
278 int unit; /* unit on this controller */
279 struct resource *r_io; /* io addr resource handle */
280 struct resource *r_altio; /* altio addr resource handle */
281 struct resource *r_bmio; /* bmio addr resource handle */
282 struct resource *r_irq; /* interrupt of this channel */
283 void *ih; /* interrupt handle */
284 u_int32_t ioaddr; /* physical port addr */
285 u_int32_t altioaddr; /* physical alt port addr */
286 u_int32_t bmaddr; /* physical bus master port */
287 u_int32_t chiptype; /* pciid of controller chip */
288 u_int32_t alignment; /* dma engine min alignment */
289 struct ata_params *dev_param[2]; /* ptr to devices params */
290 void *dev_softc[2]; /* ptr to devices softc's */
291 int mode[2]; /* transfer mode for devices */
292#define ATA_PIO 0x00
293#define ATA_PIO0 0x08
294#define ATA_PIO1 0x09
295#define ATA_PIO2 0x0a
296#define ATA_PIO3 0x0b
297#define ATA_PIO4 0x0c
298#define ATA_DMA 0x10
299#define ATA_WDMA2 0x22
300#define ATA_UDMA2 0x42
301#define ATA_UDMA4 0x44
302#define ATA_UDMA5 0x45
303
304 int flags; /* controller flags */
305#define ATA_DMA_ACTIVE 0x01
306#define ATA_ATAPI_DMA_RO 0x02
307#define ATA_USE_16BIT 0x04
308#define ATA_ATTACHED 0x08
309#define ATA_QUEUED 0x10
310
311 int devices; /* what is present */
312#define ATA_ATA_MASTER 0x01
313#define ATA_ATA_SLAVE 0x02
314#define ATA_ATAPI_MASTER 0x04
315#define ATA_ATAPI_SLAVE 0x08
316
317 u_int8_t status; /* last controller status */
318 u_int8_t error; /* last controller error */
319 int active; /* active processing request */
320#define ATA_IDLE 0x0
321#define ATA_IMMEDIATE 0x1
322#define ATA_WAIT_INTR 0x2
323#define ATA_WAIT_READY 0x3
324#define ATA_ACTIVE 0x4
325#define ATA_ACTIVE_ATA 0x5
326#define ATA_ACTIVE_ATAPI 0x6
327#define ATA_REINITING 0x7
328
329 TAILQ_HEAD(, ad_request) ata_queue; /* head of ATA queue */
330 TAILQ_HEAD(, atapi_request) atapi_queue; /* head of ATAPI queue */
331 void *running; /* currently running request */
332};
333
334/* To convert unit numbers to devices */
335extern devclass_t ata_devclass;
336
337/* public prototypes */
338void ata_start(struct ata_softc *);
339void ata_reset(struct ata_softc *, int *);
340int ata_reinit(struct ata_softc *);
341int ata_wait(struct ata_softc *, int, u_int8_t);
342int ata_command(struct ata_softc *, int, u_int8_t, u_int16_t, u_int8_t, u_int8_t, u_int8_t, u_int8_t, int);
343int ata_printf(struct ata_softc *, int, const char *, ...) __printflike(3, 4);
344int ata_get_lun(u_int32_t *);
345void ata_free_lun(u_int32_t *, int);
346char *ata_mode2str(int);
347int ata_pio2mode(int);
348int ata_pmode(struct ata_params *);
349int ata_wmode(struct ata_params *);
350int ata_umode(struct ata_params *);
351#if NPCI > 0
352int ata_find_dev(device_t, u_int32_t, u_int32_t);
353#endif
354
355void *ata_dmaalloc(struct ata_softc *, int);
356void ata_dmainit(struct ata_softc *, int, int, int, int);
357int ata_dmasetup(struct ata_softc *, int, struct ata_dmaentry *, caddr_t, int);
358void ata_dmastart(struct ata_softc *, int, struct ata_dmaentry *, int);
359int ata_dmastatus(struct ata_softc *);
360int ata_dmadone(struct ata_softc *);
2 * Copyright (c) 1998,1999,2000 S�ren Schmidt
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
--- 11 unchanged lines hidden (view full) ---
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD: head/sys/dev/ata/ata-all.h 66070 2000-09-19 11:08:39Z sos $
29 */
30
31/* ATA register defines */
32#define ATA_DATA 0x00 /* data register */
33#define ATA_ERROR 0x01 /* (R) error register */
34#define ATA_E_NM 0x02 /* no media */
35#define ATA_E_ABORT 0x04 /* command aborted */
36#define ATA_E_MCR 0x08 /* media change request */
--- 16 unchanged lines hidden (view full) ---
53#define ATA_SECTOR 0x03 /* sector # */
54#define ATA_CYL_LSB 0x04 /* cylinder# LSB */
55#define ATA_CYL_MSB 0x05 /* cylinder# MSB */
56#define ATA_DRIVE 0x06 /* Sector/Drive/Head register */
57#define ATA_D_LBA 0x40 /* use LBA adressing */
58#define ATA_D_IBM 0xa0 /* 512 byte sectors, ECC */
59
60#define ATA_CMD 0x07 /* command register */
61#define ATA_C_NOP 0x00 /* NOP command */
62#define ATA_C_F_FLUSHQUEUE 0x00 /* flush queued cmd's */
63#define ATA_C_F_AUTOPOLL 0x01 /* start autopoll function */
64#define ATA_C_ATAPI_RESET 0x08 /* reset ATAPI device */
65#define ATA_C_READ 0x20 /* read command */
66#define ATA_C_WRITE 0x30 /* write command */
67#define ATA_C_PACKET_CMD 0xa0 /* packet command */
68#define ATA_C_ATAPI_IDENTIFY 0xa1 /* get ATAPI params*/
69#define ATA_C_SERVICE 0xa2 /* service command */
70#define ATA_C_READ_MUL 0xc4 /* read multi command */
71#define ATA_C_WRITE_MUL 0xc5 /* write multi command */
72#define ATA_C_SET_MULTI 0xc6 /* set multi size command */
73#define ATA_C_READ_DMA_QUEUED 0xc7 /* read w/DMA QUEUED command */
74#define ATA_C_READ_DMA 0xc8 /* read w/DMA command */
75#define ATA_C_WRITE_DMA 0xca /* write w/DMA command */
76#define ATA_C_WRITE_DMA_QUEUED 0xcc /* write w/DMA QUEUED command */
77#define ATA_C_ATA_IDENTIFY 0xec /* get ATA params */
78#define ATA_C_SETFEATURES 0xef /* features command */
79#define ATA_C_F_SETXFER 0x03 /* set transfer mode */
80#define ATA_C_F_ENAB_WCACHE 0x02 /* enable write cache */
81#define ATA_C_F_ENAB_SRVIRQ 0x5e /* enable service interrupt */
82#define ATA_C_F_ENAB_RCACHE 0xaa /* enable readahead cache */
83#define ATA_C_F_DIS_RELIRQ 0xdd /* disable release interrupt */
84#define ATA_C_F_DIS_SRVIRQ 0xde /* disable service interrupt */
85
86#define ATA_STATUS 0x07 /* status register */
87#define ATA_S_ERROR 0x01 /* error */
88#define ATA_S_INDEX 0x02 /* index */
89#define ATA_S_CORR 0x04 /* data corrected */
90#define ATA_S_DRQ 0x08 /* data request */
91#define ATA_S_DSC 0x10 /* drive seek completed */
92#define ATA_S_SERVICE 0x10 /* drive needs service */
93#define ATA_S_DWF 0x20 /* drive write fault */
94#define ATA_S_DMA 0x20 /* DMA ready */
95#define ATA_S_READY 0x40 /* drive ready */
96#define ATA_S_BUSY 0x80 /* busy */
97
98#define ATA_ALTSTAT 0x02 /* alternate status register */
99#define ATA_ALTCTRL 0X02 /* alternate device control */
100#define ATA_A_IDS 0x02 /* disable interrupts */
101#define ATA_A_RESET 0x04 /* RESET controller */
102#define ATA_A_4BIT 0x08 /* 4 head bits */
103
104#define ATA_ALTPORT 0x204 /* alternate registers offset */
105#define ATA_ALTIOSIZE 0x01 /* alternate registers size */
106
107/* misc defines */
108#define ATA_MASTER 0x00
109#define ATA_SLAVE 0x10
110#define ATA_IOSIZE 0x08
111#define ATA_OP_FINISHED 0x00
112#define ATA_OP_CONTINUES 0x01
113#define ATA_DEV(unit) ((unit == ATA_MASTER) ? 0 : 1)
114#define ATA_PARAM(scp, unit) (scp->dev_param[ATA_DEV(unit)])
115
116/* busmaster DMA related defines */
117#define ATA_BM_OFFSET1 0x08
118#define ATA_DMA_ENTRIES 256
119#define ATA_DMA_EOT 0x80000000
120
121#define ATA_BMCMD_PORT 0x00
122#define ATA_BMCMD_START_STOP 0x01
123#define ATA_BMCMD_WRITE_READ 0x08
--- 36 unchanged lines hidden (view full) ---
160#define ATAPI_TYPE_CDROM 5 /* CD-ROM device */
161#define ATAPI_TYPE_OPTICAL 7 /* optical disk */
162
163 u_int8_t :1;
164 u_int8_t proto :2; /* command protocol */
165#define ATAPI_PROTO_ATAPI 2
166
167 u_int16_t cylinders; /* number of cylinders */
168 u_int16_t reserved2;
169 u_int16_t heads; /* # heads */
170 u_int16_t unfbytespertrk; /* # unformatted bytes/track */
171 u_int16_t unfbytes; /* # unformatted bytes/sector */
172 u_int16_t sectors; /* # sectors/track */
173 u_int16_t vendorunique0[3];
174 u_int8_t serial[20]; /* serial number */
175 u_int16_t buffertype; /* buffer type */
176#define ATA_BT_SINGLEPORTSECTOR 1 /* 1 port, 1 sector buffer */
177#define ATA_BT_DUALPORTMULTI 2 /* 2 port, mult sector buffer */
178#define ATA_BT_DUALPORTMULTICACHE 3 /* above plus track cache */
179
180 u_int16_t buffersize; /* buf size, 512-byte units */
181 u_int16_t necc; /* ecc bytes appended */
182 u_int8_t revision[8]; /* firmware revision */
183 u_int8_t model[40]; /* model name */
184 u_int8_t nsecperint; /* sectors per interrupt */
185 u_int8_t vendorunique1;
186 u_int16_t usedmovsd; /* double word read/write? */
187
188 u_int8_t vendorcap; /* vendor capabilities */
189 u_int8_t dmaflag :1; /* DMA supported - always 1 */
190 u_int8_t lbaflag :1; /* LBA supported - always 1 */
191 u_int8_t iordydis :1; /* IORDY may be disabled */
192 u_int8_t iordyflag :1; /* IORDY supported */
193 u_int8_t softreset :1; /* needs softreset when busy */
194 u_int8_t stdby_ovlap :1; /* standby/overlap supported */
195 u_int8_t queueing :1; /* supports queuing overlap */
196 u_int8_t idmaflag :1; /* interleaved DMA supported */
197 u_int16_t capvalidate; /* validation for above */
198
199 u_int8_t vendorunique3;
200 u_int8_t opiomode; /* PIO modes 0-2 */
201 u_int8_t vendorunique4;
202 u_int8_t odmamode; /* old DMA modes, not ATA-3 */
203
204 u_int16_t atavalid; /* fields valid */
205#define ATA_FLAG_54_58 1 /* words 54-58 valid */
206#define ATA_FLAG_64_70 2 /* words 64-70 valid */
207#define ATA_FLAG_88 4 /* word 88 valid */
208
209 u_int16_t currcyls;
210 u_int16_t currheads;
211 u_int16_t currsectors;
212 u_int16_t currsize0;
213 u_int16_t currsize1;
214 u_int8_t currmultsect;
215 u_int8_t multsectvalid;
216 u_int32_t lbasize;
217
218 u_int16_t sdmamodes; /* singleword DMA modes */
219 u_int16_t wdmamodes; /* multiword DMA modes */
220 u_int16_t apiomodes; /* advanced PIO modes */
221
222 u_int16_t mwdmamin; /* min. M/W DMA time/word ns */
223 u_int16_t mwdmarec; /* rec. M/W DMA time ns */
224 u_int16_t pioblind; /* min. PIO cycle w/o flow */
225 u_int16_t pioiordy; /* min. PIO cycle IORDY flow */
226
227 u_int16_t reserved69;
228 u_int16_t reserved70;
229 u_int16_t rlsovlap; /* rel time (us) for overlap */
230 u_int16_t rlsservice; /* rel time (us) for service */
231 u_int16_t reserved73;
232 u_int16_t reserved74;
233 u_int16_t queuelen:5;
234 u_int16_t :11;
235 u_int16_t reserved76;
236 u_int16_t reserved77;
237 u_int16_t reserved78;
238 u_int16_t reserved79;
239 u_int16_t versmajor;
240 u_int16_t versminor;
241 u_int16_t featsupp1; /* 82 */
242 u_int16_t supmicrocode:1;
243 u_int16_t supqueued:1;
244 u_int16_t supcfa:1;
245 u_int16_t supapm:1;
246 u_int16_t suprmsn:1;
247 u_int16_t :11;
248 u_int16_t featsupp3; /* 84 */
249 u_int16_t featenab1; /* 85 */
250 u_int16_t enabmicrocode:1;
251 u_int16_t enabqueued:1;
252 u_int16_t enabcfa:1;
253 u_int16_t enabapm:1;
254 u_int16_t enabrmsn:1;
255 u_int16_t :11;
256 u_int16_t featenab3; /* 87 */
257 u_int16_t udmamodes; /* UltraDMA modes */
258 u_int16_t erasetime;
259 u_int16_t enherasetime;
260 u_int16_t apmlevel;
261 u_int16_t masterpasswdrev;
262 u_int16_t masterhwres :8;
263 u_int16_t slavehwres :5;
264 u_int16_t cblid :1;
265 u_int16_t reserved93_1415 :2;
266 u_int16_t reserved94[32];
267 u_int16_t rmvstat;
268 u_int16_t securstat;
269 u_int16_t reserved129[30];
270 u_int16_t cfapwrmode;
271 u_int16_t reserved161[84];
272 u_int16_t integrity;
273};
274
275/* structure describing an ATA device */
276struct ata_softc {
277 struct device *dev; /* device handle */
278 int unit; /* unit on this controller */
279 struct resource *r_io; /* io addr resource handle */
280 struct resource *r_altio; /* altio addr resource handle */
281 struct resource *r_bmio; /* bmio addr resource handle */
282 struct resource *r_irq; /* interrupt of this channel */
283 void *ih; /* interrupt handle */
284 u_int32_t ioaddr; /* physical port addr */
285 u_int32_t altioaddr; /* physical alt port addr */
286 u_int32_t bmaddr; /* physical bus master port */
287 u_int32_t chiptype; /* pciid of controller chip */
288 u_int32_t alignment; /* dma engine min alignment */
289 struct ata_params *dev_param[2]; /* ptr to devices params */
290 void *dev_softc[2]; /* ptr to devices softc's */
291 int mode[2]; /* transfer mode for devices */
292#define ATA_PIO 0x00
293#define ATA_PIO0 0x08
294#define ATA_PIO1 0x09
295#define ATA_PIO2 0x0a
296#define ATA_PIO3 0x0b
297#define ATA_PIO4 0x0c
298#define ATA_DMA 0x10
299#define ATA_WDMA2 0x22
300#define ATA_UDMA2 0x42
301#define ATA_UDMA4 0x44
302#define ATA_UDMA5 0x45
303
304 int flags; /* controller flags */
305#define ATA_DMA_ACTIVE 0x01
306#define ATA_ATAPI_DMA_RO 0x02
307#define ATA_USE_16BIT 0x04
308#define ATA_ATTACHED 0x08
309#define ATA_QUEUED 0x10
310
311 int devices; /* what is present */
312#define ATA_ATA_MASTER 0x01
313#define ATA_ATA_SLAVE 0x02
314#define ATA_ATAPI_MASTER 0x04
315#define ATA_ATAPI_SLAVE 0x08
316
317 u_int8_t status; /* last controller status */
318 u_int8_t error; /* last controller error */
319 int active; /* active processing request */
320#define ATA_IDLE 0x0
321#define ATA_IMMEDIATE 0x1
322#define ATA_WAIT_INTR 0x2
323#define ATA_WAIT_READY 0x3
324#define ATA_ACTIVE 0x4
325#define ATA_ACTIVE_ATA 0x5
326#define ATA_ACTIVE_ATAPI 0x6
327#define ATA_REINITING 0x7
328
329 TAILQ_HEAD(, ad_request) ata_queue; /* head of ATA queue */
330 TAILQ_HEAD(, atapi_request) atapi_queue; /* head of ATAPI queue */
331 void *running; /* currently running request */
332};
333
334/* To convert unit numbers to devices */
335extern devclass_t ata_devclass;
336
337/* public prototypes */
338void ata_start(struct ata_softc *);
339void ata_reset(struct ata_softc *, int *);
340int ata_reinit(struct ata_softc *);
341int ata_wait(struct ata_softc *, int, u_int8_t);
342int ata_command(struct ata_softc *, int, u_int8_t, u_int16_t, u_int8_t, u_int8_t, u_int8_t, u_int8_t, int);
343int ata_printf(struct ata_softc *, int, const char *, ...) __printflike(3, 4);
344int ata_get_lun(u_int32_t *);
345void ata_free_lun(u_int32_t *, int);
346char *ata_mode2str(int);
347int ata_pio2mode(int);
348int ata_pmode(struct ata_params *);
349int ata_wmode(struct ata_params *);
350int ata_umode(struct ata_params *);
351#if NPCI > 0
352int ata_find_dev(device_t, u_int32_t, u_int32_t);
353#endif
354
355void *ata_dmaalloc(struct ata_softc *, int);
356void ata_dmainit(struct ata_softc *, int, int, int, int);
357int ata_dmasetup(struct ata_softc *, int, struct ata_dmaentry *, caddr_t, int);
358void ata_dmastart(struct ata_softc *, int, struct ata_dmaentry *, int);
359int ata_dmastatus(struct ata_softc *);
360int ata_dmadone(struct ata_softc *);