1#ifndef _IDE_H
2#define _IDE_H
3
4
5
6
7
8
9#include <linux/init.h>
10#include <linux/ioport.h>
11#include <linux/ata.h>
12#include <linux/blkdev.h>
13#include <linux/proc_fs.h>
14#include <linux/interrupt.h>
15#include <linux/bitops.h>
16#include <linux/bio.h>
17#include <linux/pci.h>
18#include <linux/completion.h>
19#include <linux/pm.h>
20#include <linux/mutex.h>
21
22#include <linux/cdrom.h>
23#include <asm/byteorder.h>
24#include <asm/io.h>
25
26#if defined(CONFIG_CRIS) || defined(CONFIG_FRV) || defined(CONFIG_MN10300)
27# define SUPPORT_VLB_SYNC 0
28#else
29# define SUPPORT_VLB_SYNC 1
30#endif
31
32
33
34
35#define IDE_DEFAULT_MAX_FAILURES 1
36#define ERROR_MAX 8
37#define ERROR_RESET 3
38#define ERROR_RECAL 1
39
40struct device;
41
42
43enum ata_cmd_type_bits {
44 REQ_TYPE_ATA_TASKFILE = REQ_TYPE_DRV_PRIV + 1,
45 REQ_TYPE_ATA_PC,
46 REQ_TYPE_ATA_SENSE,
47 REQ_TYPE_ATA_PM_SUSPEND,
48 REQ_TYPE_ATA_PM_RESUME,
49};
50
51#define ata_pm_request(rq) \
52 ((rq)->cmd_type == REQ_TYPE_ATA_PM_SUSPEND || \
53 (rq)->cmd_type == REQ_TYPE_ATA_PM_RESUME)
54
55
56enum {
57 IDE_DRV_ERROR_GENERAL = 101,
58 IDE_DRV_ERROR_FILEMARK = 102,
59 IDE_DRV_ERROR_EOD = 103,
60};
61
62
63
64
65#define IDE_NR_PORTS (10)
66
67struct ide_io_ports {
68 unsigned long data_addr;
69
70 union {
71 unsigned long error_addr;
72 unsigned long feature_addr;
73 };
74
75 unsigned long nsect_addr;
76 unsigned long lbal_addr;
77 unsigned long lbam_addr;
78 unsigned long lbah_addr;
79
80 unsigned long device_addr;
81
82 union {
83 unsigned long status_addr;
84 unsigned long command_addr;
85 };
86
87 unsigned long ctl_addr;
88
89 unsigned long irq_addr;
90};
91
92#define OK_STAT(stat,good,bad) (((stat)&((good)|(bad)))==(good))
93
94#define BAD_R_STAT (ATA_BUSY | ATA_ERR)
95#define BAD_W_STAT (BAD_R_STAT | ATA_DF)
96#define BAD_STAT (BAD_R_STAT | ATA_DRQ)
97#define DRIVE_READY (ATA_DRDY | ATA_DSC)
98
99#define BAD_CRC (ATA_ABORTED | ATA_ICRC)
100
101#define SATA_NR_PORTS (3)
102
103#define SATA_STATUS_OFFSET (0)
104#define SATA_ERROR_OFFSET (1)
105#define SATA_CONTROL_OFFSET (2)
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123#define PRD_BYTES 8
124#define PRD_ENTRIES 256
125
126
127
128
129#define PARTN_BITS 6
130#define MAX_DRIVES 2
131#define SECTOR_SIZE 512
132
133
134
135
136enum {
137
138 WAIT_DRQ = 1 * HZ,
139
140 WAIT_READY = 5 * HZ,
141
142 WAIT_PIDENTIFY = 10 * HZ,
143
144 WAIT_WORSTCASE = 30 * HZ,
145
146 WAIT_CMD = 10 * HZ,
147
148 WAIT_FLOPPY_CMD = 50 * HZ,
149
150
151
152
153
154 WAIT_TAPE_CMD = 900 * HZ,
155
156 WAIT_MIN_SLEEP = HZ / 50,
157};
158
159
160
161
162
163#define REQ_DRIVE_RESET 0x20
164#define REQ_DEVSET_EXEC 0x21
165#define REQ_PARK_HEADS 0x22
166#define REQ_UNPARK_HEADS 0x23
167
168
169
170
171
172enum { ide_unknown, ide_generic, ide_pci,
173 ide_cmd640, ide_dtc2278, ide_ali14xx,
174 ide_qd65xx, ide_umc8672, ide_ht6560b,
175 ide_4drives, ide_pmac, ide_acorn,
176 ide_au1xxx, ide_palm3710
177};
178
179typedef u8 hwif_chipset_t;
180
181
182
183
184struct ide_hw {
185 union {
186 struct ide_io_ports io_ports;
187 unsigned long io_ports_array[IDE_NR_PORTS];
188 };
189
190 int irq;
191 struct device *dev, *parent;
192 unsigned long config;
193};
194
195static inline void ide_std_init_ports(struct ide_hw *hw,
196 unsigned long io_addr,
197 unsigned long ctl_addr)
198{
199 unsigned int i;
200
201 for (i = 0; i <= 7; i++)
202 hw->io_ports_array[i] = io_addr++;
203
204 hw->io_ports.ctl_addr = ctl_addr;
205}
206
207#define MAX_HWIFS 10
208
209
210
211
212
213#define ide_scsi 0x21
214#define ide_disk 0x20
215#define ide_optical 0x7
216#define ide_cdrom 0x5
217#define ide_tape 0x1
218#define ide_floppy 0x0
219
220
221
222
223enum {
224 IDE_SFLAG_SET_GEOMETRY = (1 << 0),
225 IDE_SFLAG_RECALIBRATE = (1 << 1),
226 IDE_SFLAG_SET_MULTMODE = (1 << 2),
227};
228
229
230
231
232typedef enum {
233 ide_stopped,
234 ide_started,
235} ide_startstop_t;
236
237enum {
238 IDE_VALID_ERROR = (1 << 1),
239 IDE_VALID_FEATURE = IDE_VALID_ERROR,
240 IDE_VALID_NSECT = (1 << 2),
241 IDE_VALID_LBAL = (1 << 3),
242 IDE_VALID_LBAM = (1 << 4),
243 IDE_VALID_LBAH = (1 << 5),
244 IDE_VALID_DEVICE = (1 << 6),
245 IDE_VALID_LBA = IDE_VALID_LBAL |
246 IDE_VALID_LBAM |
247 IDE_VALID_LBAH,
248 IDE_VALID_OUT_TF = IDE_VALID_FEATURE |
249 IDE_VALID_NSECT |
250 IDE_VALID_LBA,
251 IDE_VALID_IN_TF = IDE_VALID_NSECT |
252 IDE_VALID_LBA,
253 IDE_VALID_OUT_HOB = IDE_VALID_OUT_TF,
254 IDE_VALID_IN_HOB = IDE_VALID_ERROR |
255 IDE_VALID_NSECT |
256 IDE_VALID_LBA,
257};
258
259enum {
260 IDE_TFLAG_LBA48 = (1 << 0),
261 IDE_TFLAG_WRITE = (1 << 1),
262 IDE_TFLAG_CUSTOM_HANDLER = (1 << 2),
263 IDE_TFLAG_DMA_PIO_FALLBACK = (1 << 3),
264
265 IDE_TFLAG_IO_16BIT = (1 << 4),
266
267 IDE_TFLAG_DYN = (1 << 5),
268 IDE_TFLAG_FS = (1 << 6),
269 IDE_TFLAG_MULTI_PIO = (1 << 7),
270 IDE_TFLAG_SET_XFER = (1 << 8),
271};
272
273enum {
274 IDE_FTFLAG_FLAGGED = (1 << 0),
275 IDE_FTFLAG_SET_IN_FLAGS = (1 << 1),
276 IDE_FTFLAG_OUT_DATA = (1 << 2),
277 IDE_FTFLAG_IN_DATA = (1 << 3),
278};
279
280struct ide_taskfile {
281 u8 data;
282 union {
283 u8 error;
284 u8 feature;
285 };
286 u8 nsect;
287 u8 lbal;
288 u8 lbam;
289 u8 lbah;
290 u8 device;
291 union {
292 u8 status;
293 u8 command;
294 };
295};
296
297struct ide_cmd {
298 struct ide_taskfile tf;
299 struct ide_taskfile hob;
300 struct {
301 struct {
302 u8 tf;
303 u8 hob;
304 } out, in;
305 } valid;
306
307 u16 tf_flags;
308 u8 ftf_flags;
309 int protocol;
310
311 int sg_nents;
312 int orig_sg_nents;
313 int sg_dma_direction;
314
315 unsigned int nbytes;
316 unsigned int nleft;
317 unsigned int last_xfer_len;
318
319 struct scatterlist *cursg;
320 unsigned int cursg_ofs;
321
322 struct request *rq;
323};
324
325
326enum {
327
328 PC_FLAG_ABORT = (1 << 0),
329 PC_FLAG_SUPPRESS_ERROR = (1 << 1),
330 PC_FLAG_WAIT_FOR_DSC = (1 << 2),
331 PC_FLAG_DMA_OK = (1 << 3),
332 PC_FLAG_DMA_IN_PROGRESS = (1 << 4),
333 PC_FLAG_DMA_ERROR = (1 << 5),
334 PC_FLAG_WRITING = (1 << 6),
335};
336
337#define ATAPI_WAIT_PC (60 * HZ)
338
339struct ide_atapi_pc {
340
341 u8 c[12];
342
343 int retries;
344 int error;
345
346
347 int req_xfer;
348
349
350 struct request *rq;
351
352 unsigned long flags;
353
354
355
356
357
358 unsigned long timeout;
359};
360
361struct ide_devset;
362struct ide_driver;
363
364#ifdef CONFIG_BLK_DEV_IDEACPI
365struct ide_acpi_drive_link;
366struct ide_acpi_hwif_link;
367#endif
368
369struct ide_drive_s;
370
371struct ide_disk_ops {
372 int (*check)(struct ide_drive_s *, const char *);
373 int (*get_capacity)(struct ide_drive_s *);
374 void (*unlock_native_capacity)(struct ide_drive_s *);
375 void (*setup)(struct ide_drive_s *);
376 void (*flush)(struct ide_drive_s *);
377 int (*init_media)(struct ide_drive_s *, struct gendisk *);
378 int (*set_doorlock)(struct ide_drive_s *, struct gendisk *,
379 int);
380 ide_startstop_t (*do_request)(struct ide_drive_s *, struct request *,
381 sector_t);
382 int (*ioctl)(struct ide_drive_s *, struct block_device *,
383 fmode_t, unsigned int, unsigned long);
384};
385
386
387enum {
388 IDE_AFLAG_DRQ_INTERRUPT = (1 << 0),
389
390
391
392 IDE_AFLAG_NO_EJECT = (1 << 1),
393
394 IDE_AFLAG_PRE_ATAPI12 = (1 << 2),
395
396 IDE_AFLAG_TOCADDR_AS_BCD = (1 << 3),
397
398 IDE_AFLAG_TOCTRACKS_AS_BCD = (1 << 4),
399
400 IDE_AFLAG_TOC_VALID = (1 << 6),
401
402 IDE_AFLAG_DOOR_LOCKED = (1 << 7),
403
404 IDE_AFLAG_NO_SPEED_SELECT = (1 << 8),
405 IDE_AFLAG_VERTOS_300_SSD = (1 << 9),
406 IDE_AFLAG_VERTOS_600_ESD = (1 << 10),
407 IDE_AFLAG_SANYO_3CD = (1 << 11),
408 IDE_AFLAG_FULL_CAPS_PAGE = (1 << 12),
409 IDE_AFLAG_PLAY_AUDIO_OK = (1 << 13),
410 IDE_AFLAG_LE_SPEED_FIELDS = (1 << 14),
411
412
413
414 IDE_AFLAG_CLIK_DRIVE = (1 << 15),
415
416 IDE_AFLAG_ZIP_DRIVE = (1 << 16),
417
418 IDE_AFLAG_SRFP = (1 << 17),
419
420
421 IDE_AFLAG_IGNORE_DSC = (1 << 18),
422
423 IDE_AFLAG_ADDRESS_VALID = (1 << 19),
424
425 IDE_AFLAG_BUSY = (1 << 20),
426
427 IDE_AFLAG_DETECT_BS = (1 << 21),
428
429 IDE_AFLAG_FILEMARK = (1 << 22),
430
431 IDE_AFLAG_MEDIUM_PRESENT = (1 << 23),
432
433 IDE_AFLAG_NO_AUTOCLOSE = (1 << 24),
434};
435
436
437enum {
438
439 IDE_DFLAG_KEEP_SETTINGS = (1 << 0),
440
441 IDE_DFLAG_USING_DMA = (1 << 1),
442
443 IDE_DFLAG_UNMASK = (1 << 2),
444
445 IDE_DFLAG_NOFLUSH = (1 << 3),
446
447 IDE_DFLAG_DSC_OVERLAP = (1 << 4),
448
449 IDE_DFLAG_NICE1 = (1 << 5),
450
451 IDE_DFLAG_PRESENT = (1 << 6),
452
453 IDE_DFLAG_NOHPA = (1 << 7),
454
455 IDE_DFLAG_ID_READ = (1 << 8),
456 IDE_DFLAG_NOPROBE = (1 << 9),
457
458 IDE_DFLAG_REMOVABLE = (1 << 10),
459
460 IDE_DFLAG_ATTACH = (1 << 11),
461 IDE_DFLAG_FORCED_GEOM = (1 << 12),
462
463 IDE_DFLAG_NO_UNMASK = (1 << 13),
464
465 IDE_DFLAG_NO_IO_32BIT = (1 << 14),
466
467 IDE_DFLAG_DOORLOCKING = (1 << 15),
468
469 IDE_DFLAG_NODMA = (1 << 16),
470
471 IDE_DFLAG_BLOCKED = (1 << 17),
472
473 IDE_DFLAG_SLEEPING = (1 << 18),
474 IDE_DFLAG_POST_RESET = (1 << 19),
475 IDE_DFLAG_UDMA33_WARNED = (1 << 20),
476 IDE_DFLAG_LBA48 = (1 << 21),
477
478 IDE_DFLAG_WCACHE = (1 << 22),
479
480 IDE_DFLAG_NOWERR = (1 << 23),
481
482 IDE_DFLAG_DMA_PIO_RETRY = (1 << 24),
483 IDE_DFLAG_LBA = (1 << 25),
484
485 IDE_DFLAG_NO_UNLOAD = (1 << 26),
486
487 IDE_DFLAG_PARKED = (1 << 27),
488 IDE_DFLAG_MEDIA_CHANGED = (1 << 28),
489
490 IDE_DFLAG_WP = (1 << 29),
491 IDE_DFLAG_FORMAT_IN_PROGRESS = (1 << 30),
492 IDE_DFLAG_NIEN_QUIRK = (1 << 31),
493};
494
495struct ide_drive_s {
496 char name[4];
497 char driver_req[10];
498
499 struct request_queue *queue;
500
501 struct request *rq;
502 void *driver_data;
503 u16 *id;
504#ifdef CONFIG_IDE_PROC_FS
505 struct proc_dir_entry *proc;
506 const struct ide_proc_devset *settings;
507#endif
508 struct hwif_s *hwif;
509
510 const struct ide_disk_ops *disk_ops;
511
512 unsigned long dev_flags;
513
514 unsigned long sleep;
515 unsigned long timeout;
516
517 u8 special_flags;
518
519 u8 select;
520 u8 retry_pio;
521 u8 waiting_for_dma;
522 u8 dma;
523
524 u8 init_speed;
525 u8 current_speed;
526 u8 desired_speed;
527 u8 pio_mode;
528 u8 dma_mode;
529 u8 dn;
530 u8 acoustic;
531 u8 media;
532 u8 ready_stat;
533 u8 mult_count;
534 u8 mult_req;
535 u8 io_32bit;
536 u8 bad_wstat;
537 u8 head;
538 u8 sect;
539 u8 bios_head;
540 u8 bios_sect;
541
542
543 u8 pc_delay;
544
545 unsigned int bios_cyl;
546 unsigned int cyl;
547 void *drive_data;
548 unsigned int failures;
549 unsigned int max_failures;
550 u64 probed_capacity;
551 u64 capacity64;
552
553 int lun;
554 int crc_count;
555
556 unsigned long debug_mask;
557
558#ifdef CONFIG_BLK_DEV_IDEACPI
559 struct ide_acpi_drive_link *acpidata;
560#endif
561 struct list_head list;
562 struct device gendev;
563 struct completion gendev_rel_comp;
564
565
566 struct ide_atapi_pc *pc;
567
568
569 struct ide_atapi_pc *failed_pc;
570
571
572 int (*pc_callback)(struct ide_drive_s *, int);
573
574 ide_startstop_t (*irq_handler)(struct ide_drive_s *);
575
576 unsigned long atapi_flags;
577
578 struct ide_atapi_pc request_sense_pc;
579
580
581 bool sense_rq_armed;
582 struct request sense_rq;
583 struct request_sense sense_data;
584};
585
586typedef struct ide_drive_s ide_drive_t;
587
588#define to_ide_device(dev) container_of(dev, ide_drive_t, gendev)
589
590#define to_ide_drv(obj, cont_type) \
591 container_of(obj, struct cont_type, dev)
592
593#define ide_drv_g(disk, cont_type) \
594 container_of((disk)->private_data, struct cont_type, driver)
595
596struct ide_port_info;
597
598struct ide_tp_ops {
599 void (*exec_command)(struct hwif_s *, u8);
600 u8 (*read_status)(struct hwif_s *);
601 u8 (*read_altstatus)(struct hwif_s *);
602 void (*write_devctl)(struct hwif_s *, u8);
603
604 void (*dev_select)(ide_drive_t *);
605 void (*tf_load)(ide_drive_t *, struct ide_taskfile *, u8);
606 void (*tf_read)(ide_drive_t *, struct ide_taskfile *, u8);
607
608 void (*input_data)(ide_drive_t *, struct ide_cmd *,
609 void *, unsigned int);
610 void (*output_data)(ide_drive_t *, struct ide_cmd *,
611 void *, unsigned int);
612};
613
614extern const struct ide_tp_ops default_tp_ops;
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634struct ide_port_ops {
635 void (*init_dev)(ide_drive_t *);
636 void (*set_pio_mode)(struct hwif_s *, ide_drive_t *);
637 void (*set_dma_mode)(struct hwif_s *, ide_drive_t *);
638 int (*reset_poll)(ide_drive_t *);
639 void (*pre_reset)(ide_drive_t *);
640 void (*resetproc)(ide_drive_t *);
641 void (*maskproc)(ide_drive_t *, int);
642 void (*quirkproc)(ide_drive_t *);
643 void (*clear_irq)(ide_drive_t *);
644 int (*test_irq)(struct hwif_s *);
645
646 u8 (*mdma_filter)(ide_drive_t *);
647 u8 (*udma_filter)(ide_drive_t *);
648
649 u8 (*cable_detect)(struct hwif_s *);
650};
651
652struct ide_dma_ops {
653 void (*dma_host_set)(struct ide_drive_s *, int);
654 int (*dma_setup)(struct ide_drive_s *, struct ide_cmd *);
655 void (*dma_start)(struct ide_drive_s *);
656 int (*dma_end)(struct ide_drive_s *);
657 int (*dma_test_irq)(struct ide_drive_s *);
658 void (*dma_lost_irq)(struct ide_drive_s *);
659
660 int (*dma_check)(struct ide_drive_s *, struct ide_cmd *);
661 int (*dma_timer_expiry)(struct ide_drive_s *);
662 void (*dma_clear)(struct ide_drive_s *);
663
664
665
666
667 u8 (*dma_sff_read_status)(struct hwif_s *);
668};
669
670enum {
671 IDE_PFLAG_PROBING = (1 << 0),
672};
673
674struct ide_host;
675
676typedef struct hwif_s {
677 struct hwif_s *mate;
678 struct proc_dir_entry *proc;
679
680 struct ide_host *host;
681
682 char name[6];
683
684 struct ide_io_ports io_ports;
685
686 unsigned long sata_scr[SATA_NR_PORTS];
687
688 ide_drive_t *devices[MAX_DRIVES + 1];
689
690 unsigned long port_flags;
691
692 u8 major;
693 u8 index;
694 u8 channel;
695
696 u32 host_flags;
697
698 u8 pio_mask;
699
700 u8 ultra_mask;
701 u8 mwdma_mask;
702 u8 swdma_mask;
703
704 u8 cbl;
705
706 hwif_chipset_t chipset;
707
708 struct device *dev;
709
710 void (*rw_disk)(ide_drive_t *, struct request *);
711
712 const struct ide_tp_ops *tp_ops;
713 const struct ide_port_ops *port_ops;
714 const struct ide_dma_ops *dma_ops;
715
716
717 unsigned int *dmatable_cpu;
718
719 dma_addr_t dmatable_dma;
720
721
722 int prd_max_nents;
723
724 int prd_ent_size;
725
726
727 struct scatterlist *sg_table;
728 int sg_max_nents;
729
730 struct ide_cmd cmd;
731
732 int rqsize;
733 int irq;
734
735 unsigned long dma_base;
736
737 unsigned long config_data;
738 unsigned long select_data;
739
740 unsigned long extra_base;
741 unsigned extra_ports;
742
743 unsigned present : 1;
744 unsigned busy : 1;
745
746 struct device gendev;
747 struct device *portdev;
748
749 struct completion gendev_rel_comp;
750
751 void *hwif_data;
752
753#ifdef CONFIG_BLK_DEV_IDEACPI
754 struct ide_acpi_hwif_link *acpidata;
755#endif
756
757
758 ide_startstop_t (*handler)(ide_drive_t *);
759
760
761 unsigned int polling : 1;
762
763
764 ide_drive_t *cur_dev;
765
766
767 struct request *rq;
768
769
770 struct timer_list timer;
771
772 unsigned long poll_timeout;
773
774 int (*expiry)(ide_drive_t *);
775
776 int req_gen;
777 int req_gen_timer;
778
779 spinlock_t lock;
780} ____cacheline_internodealigned_in_smp ide_hwif_t;
781
782#define MAX_HOST_PORTS 4
783
784struct ide_host {
785 ide_hwif_t *ports[MAX_HOST_PORTS + 1];
786 unsigned int n_ports;
787 struct device *dev[2];
788
789 int (*init_chipset)(struct pci_dev *);
790
791 void (*get_lock)(irq_handler_t, void *);
792 void (*release_lock)(void);
793
794 irq_handler_t irq_handler;
795
796 unsigned long host_flags;
797
798 int irq_flags;
799
800 void *host_priv;
801 ide_hwif_t *cur_port;
802
803
804 volatile unsigned long host_busy;
805};
806
807#define IDE_HOST_BUSY 0
808
809
810
811
812typedef ide_startstop_t (ide_handler_t)(ide_drive_t *);
813typedef int (ide_expiry_t)(ide_drive_t *);
814
815
816typedef void (xfer_func_t)(ide_drive_t *, struct ide_cmd *, void *, unsigned);
817
818extern struct mutex ide_setting_mtx;
819
820
821
822
823
824#define DS_SYNC (1 << 0)
825
826struct ide_devset {
827 int (*get)(ide_drive_t *);
828 int (*set)(ide_drive_t *, int);
829 unsigned int flags;
830};
831
832#define __DEVSET(_flags, _get, _set) { \
833 .flags = _flags, \
834 .get = _get, \
835 .set = _set, \
836}
837
838#define ide_devset_get(name, field) \
839static int get_##name(ide_drive_t *drive) \
840{ \
841 return drive->field; \
842}
843
844#define ide_devset_set(name, field) \
845static int set_##name(ide_drive_t *drive, int arg) \
846{ \
847 drive->field = arg; \
848 return 0; \
849}
850
851#define ide_devset_get_flag(name, flag) \
852static int get_##name(ide_drive_t *drive) \
853{ \
854 return !!(drive->dev_flags & flag); \
855}
856
857#define ide_devset_set_flag(name, flag) \
858static int set_##name(ide_drive_t *drive, int arg) \
859{ \
860 if (arg) \
861 drive->dev_flags |= flag; \
862 else \
863 drive->dev_flags &= ~flag; \
864 return 0; \
865}
866
867#define __IDE_DEVSET(_name, _flags, _get, _set) \
868const struct ide_devset ide_devset_##_name = \
869 __DEVSET(_flags, _get, _set)
870
871#define IDE_DEVSET(_name, _flags, _get, _set) \
872static __IDE_DEVSET(_name, _flags, _get, _set)
873
874#define ide_devset_rw(_name, _func) \
875IDE_DEVSET(_name, 0, get_##_func, set_##_func)
876
877#define ide_devset_w(_name, _func) \
878IDE_DEVSET(_name, 0, NULL, set_##_func)
879
880#define ide_ext_devset_rw(_name, _func) \
881__IDE_DEVSET(_name, 0, get_##_func, set_##_func)
882
883#define ide_ext_devset_rw_sync(_name, _func) \
884__IDE_DEVSET(_name, DS_SYNC, get_##_func, set_##_func)
885
886#define ide_decl_devset(_name) \
887extern const struct ide_devset ide_devset_##_name
888
889ide_decl_devset(io_32bit);
890ide_decl_devset(keepsettings);
891ide_decl_devset(pio_mode);
892ide_decl_devset(unmaskirq);
893ide_decl_devset(using_dma);
894
895#ifdef CONFIG_IDE_PROC_FS
896
897
898
899
900#define ide_devset_rw_field(_name, _field) \
901ide_devset_get(_name, _field); \
902ide_devset_set(_name, _field); \
903IDE_DEVSET(_name, DS_SYNC, get_##_name, set_##_name)
904
905#define ide_devset_rw_flag(_name, _field) \
906ide_devset_get_flag(_name, _field); \
907ide_devset_set_flag(_name, _field); \
908IDE_DEVSET(_name, DS_SYNC, get_##_name, set_##_name)
909
910struct ide_proc_devset {
911 const char *name;
912 const struct ide_devset *setting;
913 int min, max;
914 int (*mulf)(ide_drive_t *);
915 int (*divf)(ide_drive_t *);
916};
917
918#define __IDE_PROC_DEVSET(_name, _min, _max, _mulf, _divf) { \
919 .name = __stringify(_name), \
920 .setting = &ide_devset_##_name, \
921 .min = _min, \
922 .max = _max, \
923 .mulf = _mulf, \
924 .divf = _divf, \
925}
926
927#define IDE_PROC_DEVSET(_name, _min, _max) \
928__IDE_PROC_DEVSET(_name, _min, _max, NULL, NULL)
929
930typedef struct {
931 const char *name;
932 umode_t mode;
933 const struct file_operations *proc_fops;
934} ide_proc_entry_t;
935
936void proc_ide_create(void);
937void proc_ide_destroy(void);
938void ide_proc_register_port(ide_hwif_t *);
939void ide_proc_port_register_devices(ide_hwif_t *);
940void ide_proc_unregister_device(ide_drive_t *);
941void ide_proc_unregister_port(ide_hwif_t *);
942void ide_proc_register_driver(ide_drive_t *, struct ide_driver *);
943void ide_proc_unregister_driver(ide_drive_t *, struct ide_driver *);
944
945extern const struct file_operations ide_capacity_proc_fops;
946extern const struct file_operations ide_geometry_proc_fops;
947#else
948static inline void proc_ide_create(void) { ; }
949static inline void proc_ide_destroy(void) { ; }
950static inline void ide_proc_register_port(ide_hwif_t *hwif) { ; }
951static inline void ide_proc_port_register_devices(ide_hwif_t *hwif) { ; }
952static inline void ide_proc_unregister_device(ide_drive_t *drive) { ; }
953static inline void ide_proc_unregister_port(ide_hwif_t *hwif) { ; }
954static inline void ide_proc_register_driver(ide_drive_t *drive,
955 struct ide_driver *driver) { ; }
956static inline void ide_proc_unregister_driver(ide_drive_t *drive,
957 struct ide_driver *driver) { ; }
958#endif
959
960enum {
961
962 IDE_DBG_FUNC = (1 << 0),
963
964 IDE_DBG_SENSE = (1 << 1),
965
966 IDE_DBG_PC = (1 << 2),
967
968 IDE_DBG_RQ = (1 << 3),
969
970 IDE_DBG_PROBE = (1 << 4),
971};
972
973
974#define __ide_debug_log(lvl, fmt, args...) \
975{ \
976 if (unlikely(drive->debug_mask & lvl)) \
977 printk(KERN_INFO DRV_NAME ": %s: " fmt "\n", \
978 __func__, ## args); \
979}
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999enum {
1000 IDE_PM_START_SUSPEND,
1001 IDE_PM_FLUSH_CACHE = IDE_PM_START_SUSPEND,
1002 IDE_PM_STANDBY,
1003
1004 IDE_PM_START_RESUME,
1005 IDE_PM_RESTORE_PIO = IDE_PM_START_RESUME,
1006 IDE_PM_IDLE,
1007 IDE_PM_RESTORE_DMA,
1008
1009 IDE_PM_COMPLETED,
1010};
1011
1012int generic_ide_suspend(struct device *, pm_message_t);
1013int generic_ide_resume(struct device *);
1014
1015void ide_complete_power_step(ide_drive_t *, struct request *);
1016ide_startstop_t ide_start_power_step(ide_drive_t *, struct request *);
1017void ide_complete_pm_rq(ide_drive_t *, struct request *);
1018void ide_check_pm_state(ide_drive_t *, struct request *);
1019
1020
1021
1022
1023
1024
1025
1026struct ide_driver {
1027 const char *version;
1028 ide_startstop_t (*do_request)(ide_drive_t *, struct request *, sector_t);
1029 struct device_driver gen_driver;
1030 int (*probe)(ide_drive_t *);
1031 void (*remove)(ide_drive_t *);
1032 void (*resume)(ide_drive_t *);
1033 void (*shutdown)(ide_drive_t *);
1034#ifdef CONFIG_IDE_PROC_FS
1035 ide_proc_entry_t * (*proc_entries)(ide_drive_t *);
1036 const struct ide_proc_devset * (*proc_devsets)(ide_drive_t *);
1037#endif
1038};
1039
1040#define to_ide_driver(drv) container_of(drv, struct ide_driver, gen_driver)
1041
1042int ide_device_get(ide_drive_t *);
1043void ide_device_put(ide_drive_t *);
1044
1045struct ide_ioctl_devset {
1046 unsigned int get_ioctl;
1047 unsigned int set_ioctl;
1048 const struct ide_devset *setting;
1049};
1050
1051int ide_setting_ioctl(ide_drive_t *, struct block_device *, unsigned int,
1052 unsigned long, const struct ide_ioctl_devset *);
1053
1054int generic_ide_ioctl(ide_drive_t *, struct block_device *, unsigned, unsigned long);
1055
1056extern int ide_vlb_clk;
1057extern int ide_pci_clk;
1058
1059int ide_end_rq(ide_drive_t *, struct request *, int, unsigned int);
1060void ide_kill_rq(ide_drive_t *, struct request *);
1061
1062void __ide_set_handler(ide_drive_t *, ide_handler_t *, unsigned int);
1063void ide_set_handler(ide_drive_t *, ide_handler_t *, unsigned int);
1064
1065void ide_execute_command(ide_drive_t *, struct ide_cmd *, ide_handler_t *,
1066 unsigned int);
1067
1068void ide_pad_transfer(ide_drive_t *, int, int);
1069
1070ide_startstop_t ide_error(ide_drive_t *, const char *, u8);
1071
1072void ide_fix_driveid(u16 *);
1073
1074extern void ide_fixstring(u8 *, const int, const int);
1075
1076int ide_busy_sleep(ide_drive_t *, unsigned long, int);
1077
1078int __ide_wait_stat(ide_drive_t *, u8, u8, unsigned long, u8 *);
1079int ide_wait_stat(ide_startstop_t *, ide_drive_t *, u8, u8, unsigned long);
1080
1081ide_startstop_t ide_do_park_unpark(ide_drive_t *, struct request *);
1082ide_startstop_t ide_do_devset(ide_drive_t *, struct request *);
1083
1084extern ide_startstop_t ide_do_reset (ide_drive_t *);
1085
1086extern int ide_devset_execute(ide_drive_t *drive,
1087 const struct ide_devset *setting, int arg);
1088
1089void ide_complete_cmd(ide_drive_t *, struct ide_cmd *, u8, u8);
1090int ide_complete_rq(ide_drive_t *, int, unsigned int);
1091
1092void ide_tf_readback(ide_drive_t *drive, struct ide_cmd *cmd);
1093void ide_tf_dump(const char *, struct ide_cmd *);
1094
1095void ide_exec_command(ide_hwif_t *, u8);
1096u8 ide_read_status(ide_hwif_t *);
1097u8 ide_read_altstatus(ide_hwif_t *);
1098void ide_write_devctl(ide_hwif_t *, u8);
1099
1100void ide_dev_select(ide_drive_t *);
1101void ide_tf_load(ide_drive_t *, struct ide_taskfile *, u8);
1102void ide_tf_read(ide_drive_t *, struct ide_taskfile *, u8);
1103
1104void ide_input_data(ide_drive_t *, struct ide_cmd *, void *, unsigned int);
1105void ide_output_data(ide_drive_t *, struct ide_cmd *, void *, unsigned int);
1106
1107void SELECT_MASK(ide_drive_t *, int);
1108
1109u8 ide_read_error(ide_drive_t *);
1110void ide_read_bcount_and_ireason(ide_drive_t *, u16 *, u8 *);
1111
1112int ide_check_ireason(ide_drive_t *, struct request *, int, int, int);
1113
1114int ide_check_atapi_device(ide_drive_t *, const char *);
1115
1116void ide_init_pc(struct ide_atapi_pc *);
1117
1118
1119extern wait_queue_head_t ide_park_wq;
1120ssize_t ide_park_show(struct device *dev, struct device_attribute *attr,
1121 char *buf);
1122ssize_t ide_park_store(struct device *dev, struct device_attribute *attr,
1123 const char *buf, size_t len);
1124
1125
1126
1127
1128
1129
1130
1131enum {
1132 REQ_IDETAPE_PC1 = (1 << 0),
1133 REQ_IDETAPE_PC2 = (1 << 1),
1134 REQ_IDETAPE_READ = (1 << 2),
1135 REQ_IDETAPE_WRITE = (1 << 3),
1136};
1137
1138int ide_queue_pc_tail(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *,
1139 void *, unsigned int);
1140
1141int ide_do_test_unit_ready(ide_drive_t *, struct gendisk *);
1142int ide_do_start_stop(ide_drive_t *, struct gendisk *, int);
1143int ide_set_media_lock(ide_drive_t *, struct gendisk *, int);
1144void ide_create_request_sense_cmd(ide_drive_t *, struct ide_atapi_pc *);
1145void ide_retry_pc(ide_drive_t *drive);
1146
1147void ide_prep_sense(ide_drive_t *drive, struct request *rq);
1148int ide_queue_sense_rq(ide_drive_t *drive, void *special);
1149
1150int ide_cd_expiry(ide_drive_t *);
1151
1152int ide_cd_get_xferlen(struct request *);
1153
1154ide_startstop_t ide_issue_pc(ide_drive_t *, struct ide_cmd *);
1155
1156ide_startstop_t do_rw_taskfile(ide_drive_t *, struct ide_cmd *);
1157
1158void ide_pio_bytes(ide_drive_t *, struct ide_cmd *, unsigned int, unsigned int);
1159
1160void ide_finish_cmd(ide_drive_t *, struct ide_cmd *, u8);
1161
1162int ide_raw_taskfile(ide_drive_t *, struct ide_cmd *, u8 *, u16);
1163int ide_no_data_taskfile(ide_drive_t *, struct ide_cmd *);
1164
1165int ide_taskfile_ioctl(ide_drive_t *, unsigned long);
1166
1167int ide_dev_read_id(ide_drive_t *, u8, u16 *, int);
1168
1169extern int ide_driveid_update(ide_drive_t *);
1170extern int ide_config_drive_speed(ide_drive_t *, u8);
1171extern u8 eighty_ninty_three (ide_drive_t *);
1172extern int taskfile_lib_get_identify(ide_drive_t *drive, u8 *);
1173
1174extern int ide_wait_not_busy(ide_hwif_t *hwif, unsigned long timeout);
1175
1176extern void ide_stall_queue(ide_drive_t *drive, unsigned long timeout);
1177
1178extern void ide_timer_expiry(unsigned long);
1179extern irqreturn_t ide_intr(int irq, void *dev_id);
1180extern void do_ide_request(struct request_queue *);
1181extern void ide_requeue_and_plug(ide_drive_t *drive, struct request *rq);
1182
1183void ide_init_disk(struct gendisk *, ide_drive_t *);
1184
1185#ifdef CONFIG_IDEPCI_PCIBUS_ORDER
1186extern int __ide_pci_register_driver(struct pci_driver *driver, struct module *owner, const char *mod_name);
1187#define ide_pci_register_driver(d) __ide_pci_register_driver(d, THIS_MODULE, KBUILD_MODNAME)
1188#else
1189#define ide_pci_register_driver(d) pci_register_driver(d)
1190#endif
1191
1192static inline int ide_pci_is_in_compatibility_mode(struct pci_dev *dev)
1193{
1194 if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE && (dev->class & 5) != 5)
1195 return 1;
1196 return 0;
1197}
1198
1199void ide_pci_setup_ports(struct pci_dev *, const struct ide_port_info *,
1200 struct ide_hw *, struct ide_hw **);
1201void ide_setup_pci_noise(struct pci_dev *, const struct ide_port_info *);
1202
1203#ifdef CONFIG_BLK_DEV_IDEDMA_PCI
1204int ide_pci_set_master(struct pci_dev *, const char *);
1205unsigned long ide_pci_dma_base(ide_hwif_t *, const struct ide_port_info *);
1206int ide_pci_check_simplex(ide_hwif_t *, const struct ide_port_info *);
1207int ide_hwif_setup_dma(ide_hwif_t *, const struct ide_port_info *);
1208#else
1209static inline int ide_hwif_setup_dma(ide_hwif_t *hwif,
1210 const struct ide_port_info *d)
1211{
1212 return -EINVAL;
1213}
1214#endif
1215
1216struct ide_pci_enablebit {
1217 u8 reg;
1218 u8 mask;
1219 u8 val;
1220};
1221
1222enum {
1223
1224 IDE_HFLAG_ISA_PORTS = (1 << 0),
1225
1226 IDE_HFLAG_SINGLE = (1 << 1),
1227
1228 IDE_HFLAG_PIO_NO_BLACKLIST = (1 << 2),
1229
1230 IDE_HFLAG_QD_2ND_PORT = (1 << 3),
1231
1232 IDE_HFLAG_ABUSE_PREFETCH = (1 << 4),
1233
1234 IDE_HFLAG_ABUSE_FAST_DEVSEL = (1 << 5),
1235
1236 IDE_HFLAG_ABUSE_DMA_MODES = (1 << 6),
1237
1238
1239
1240
1241 IDE_HFLAG_SET_PIO_MODE_KEEP_DMA = (1 << 7),
1242
1243 IDE_HFLAG_POST_SET_MODE = (1 << 8),
1244
1245 IDE_HFLAG_NO_SET_MODE = (1 << 9),
1246
1247 IDE_HFLAG_TRUST_BIOS_FOR_DMA = (1 << 10),
1248
1249 IDE_HFLAG_CS5520 = (1 << 11),
1250
1251 IDE_HFLAG_NO_ATAPI_DMA = (1 << 12),
1252
1253 IDE_HFLAG_NON_BOOTABLE = (1 << 13),
1254
1255 IDE_HFLAG_NO_DMA = (1 << 14),
1256
1257 IDE_HFLAG_NO_AUTODMA = (1 << 15),
1258
1259 IDE_HFLAG_MMIO = (1 << 16),
1260
1261 IDE_HFLAG_NO_LBA48 = (1 << 17),
1262
1263 IDE_HFLAG_NO_LBA48_DMA = (1 << 18),
1264
1265 IDE_HFLAG_ERROR_STOPS_FIFO = (1 << 19),
1266
1267 IDE_HFLAG_SERIALIZE = (1 << 20),
1268
1269 IDE_HFLAG_DTC2278 = (1 << 21),
1270
1271 IDE_HFLAG_4DRIVES = (1 << 22),
1272
1273 IDE_HFLAG_TRM290 = (1 << 23),
1274
1275 IDE_HFLAG_IO_32BIT = (1 << 24),
1276
1277 IDE_HFLAG_UNMASK_IRQS = (1 << 25),
1278 IDE_HFLAG_BROKEN_ALTSTATUS = (1 << 26),
1279
1280 IDE_HFLAG_SERIALIZE_DMA = (1 << 27),
1281
1282 IDE_HFLAG_CLEAR_SIMPLEX = (1 << 28),
1283
1284 IDE_HFLAG_NO_DSC = (1 << 29),
1285
1286 IDE_HFLAG_NO_IO_32BIT = (1 << 30),
1287
1288 IDE_HFLAG_NO_UNMASK_IRQS = (1 << 31),
1289};
1290
1291#ifdef CONFIG_BLK_DEV_OFFBOARD
1292# define IDE_HFLAG_OFF_BOARD 0
1293#else
1294# define IDE_HFLAG_OFF_BOARD IDE_HFLAG_NON_BOOTABLE
1295#endif
1296
1297struct ide_port_info {
1298 char *name;
1299
1300 int (*init_chipset)(struct pci_dev *);
1301
1302 void (*get_lock)(irq_handler_t, void *);
1303 void (*release_lock)(void);
1304
1305 void (*init_iops)(ide_hwif_t *);
1306 void (*init_hwif)(ide_hwif_t *);
1307 int (*init_dma)(ide_hwif_t *,
1308 const struct ide_port_info *);
1309
1310 const struct ide_tp_ops *tp_ops;
1311 const struct ide_port_ops *port_ops;
1312 const struct ide_dma_ops *dma_ops;
1313
1314 struct ide_pci_enablebit enablebits[2];
1315
1316 hwif_chipset_t chipset;
1317
1318 u16 max_sectors;
1319
1320 u32 host_flags;
1321
1322 int irq_flags;
1323
1324 u8 pio_mask;
1325 u8 swdma_mask;
1326 u8 mwdma_mask;
1327 u8 udma_mask;
1328};
1329
1330
1331
1332
1333
1334struct ide_pm_state {
1335
1336 int pm_step;
1337
1338 u32 pm_state;
1339 void* data;
1340};
1341
1342
1343int ide_pci_init_one(struct pci_dev *, const struct ide_port_info *, void *);
1344int ide_pci_init_two(struct pci_dev *, struct pci_dev *,
1345 const struct ide_port_info *, void *);
1346void ide_pci_remove(struct pci_dev *);
1347
1348#ifdef CONFIG_PM
1349int ide_pci_suspend(struct pci_dev *, pm_message_t);
1350int ide_pci_resume(struct pci_dev *);
1351#else
1352#define ide_pci_suspend NULL
1353#define ide_pci_resume NULL
1354#endif
1355
1356void ide_map_sg(ide_drive_t *, struct ide_cmd *);
1357void ide_init_sg_cmd(struct ide_cmd *, unsigned int);
1358
1359#define BAD_DMA_DRIVE 0
1360#define GOOD_DMA_DRIVE 1
1361
1362struct drive_list_entry {
1363 const char *id_model;
1364 const char *id_firmware;
1365};
1366
1367int ide_in_drive_list(u16 *, const struct drive_list_entry *);
1368
1369#ifdef CONFIG_BLK_DEV_IDEDMA
1370int ide_dma_good_drive(ide_drive_t *);
1371int __ide_dma_bad_drive(ide_drive_t *);
1372
1373u8 ide_find_dma_mode(ide_drive_t *, u8);
1374
1375static inline u8 ide_max_dma_mode(ide_drive_t *drive)
1376{
1377 return ide_find_dma_mode(drive, XFER_UDMA_6);
1378}
1379
1380void ide_dma_off_quietly(ide_drive_t *);
1381void ide_dma_off(ide_drive_t *);
1382void ide_dma_on(ide_drive_t *);
1383int ide_set_dma(ide_drive_t *);
1384void ide_check_dma_crc(ide_drive_t *);
1385ide_startstop_t ide_dma_intr(ide_drive_t *);
1386
1387int ide_allocate_dma_engine(ide_hwif_t *);
1388void ide_release_dma_engine(ide_hwif_t *);
1389
1390int ide_dma_prepare(ide_drive_t *, struct ide_cmd *);
1391void ide_dma_unmap_sg(ide_drive_t *, struct ide_cmd *);
1392
1393#ifdef CONFIG_BLK_DEV_IDEDMA_SFF
1394int config_drive_for_dma(ide_drive_t *);
1395int ide_build_dmatable(ide_drive_t *, struct ide_cmd *);
1396void ide_dma_host_set(ide_drive_t *, int);
1397int ide_dma_setup(ide_drive_t *, struct ide_cmd *);
1398extern void ide_dma_start(ide_drive_t *);
1399int ide_dma_end(ide_drive_t *);
1400int ide_dma_test_irq(ide_drive_t *);
1401int ide_dma_sff_timer_expiry(ide_drive_t *);
1402u8 ide_dma_sff_read_status(ide_hwif_t *);
1403extern const struct ide_dma_ops sff_dma_ops;
1404#else
1405static inline int config_drive_for_dma(ide_drive_t *drive) { return 0; }
1406#endif
1407
1408void ide_dma_lost_irq(ide_drive_t *);
1409ide_startstop_t ide_dma_timeout_retry(ide_drive_t *, int);
1410
1411#else
1412static inline u8 ide_find_dma_mode(ide_drive_t *drive, u8 speed) { return 0; }
1413static inline u8 ide_max_dma_mode(ide_drive_t *drive) { return 0; }
1414static inline void ide_dma_off_quietly(ide_drive_t *drive) { ; }
1415static inline void ide_dma_off(ide_drive_t *drive) { ; }
1416static inline void ide_dma_on(ide_drive_t *drive) { ; }
1417static inline void ide_dma_verbose(ide_drive_t *drive) { ; }
1418static inline int ide_set_dma(ide_drive_t *drive) { return 1; }
1419static inline void ide_check_dma_crc(ide_drive_t *drive) { ; }
1420static inline ide_startstop_t ide_dma_intr(ide_drive_t *drive) { return ide_stopped; }
1421static inline ide_startstop_t ide_dma_timeout_retry(ide_drive_t *drive, int error) { return ide_stopped; }
1422static inline void ide_release_dma_engine(ide_hwif_t *hwif) { ; }
1423static inline int ide_dma_prepare(ide_drive_t *drive,
1424 struct ide_cmd *cmd) { return 1; }
1425static inline void ide_dma_unmap_sg(ide_drive_t *drive,
1426 struct ide_cmd *cmd) { ; }
1427#endif
1428
1429#ifdef CONFIG_BLK_DEV_IDEACPI
1430int ide_acpi_init(void);
1431bool ide_port_acpi(ide_hwif_t *hwif);
1432extern int ide_acpi_exec_tfs(ide_drive_t *drive);
1433extern void ide_acpi_get_timing(ide_hwif_t *hwif);
1434extern void ide_acpi_push_timing(ide_hwif_t *hwif);
1435void ide_acpi_init_port(ide_hwif_t *);
1436void ide_acpi_port_init_devices(ide_hwif_t *);
1437extern void ide_acpi_set_state(ide_hwif_t *hwif, int on);
1438#else
1439static inline int ide_acpi_init(void) { return 0; }
1440static inline bool ide_port_acpi(ide_hwif_t *hwif) { return 0; }
1441static inline int ide_acpi_exec_tfs(ide_drive_t *drive) { return 0; }
1442static inline void ide_acpi_get_timing(ide_hwif_t *hwif) { ; }
1443static inline void ide_acpi_push_timing(ide_hwif_t *hwif) { ; }
1444static inline void ide_acpi_init_port(ide_hwif_t *hwif) { ; }
1445static inline void ide_acpi_port_init_devices(ide_hwif_t *hwif) { ; }
1446static inline void ide_acpi_set_state(ide_hwif_t *hwif, int on) {}
1447#endif
1448
1449void ide_register_region(struct gendisk *);
1450void ide_unregister_region(struct gendisk *);
1451
1452void ide_check_nien_quirk_list(ide_drive_t *);
1453void ide_undecoded_slave(ide_drive_t *);
1454
1455void ide_port_apply_params(ide_hwif_t *);
1456int ide_sysfs_register_port(ide_hwif_t *);
1457
1458struct ide_host *ide_host_alloc(const struct ide_port_info *, struct ide_hw **,
1459 unsigned int);
1460void ide_host_free(struct ide_host *);
1461int ide_host_register(struct ide_host *, const struct ide_port_info *,
1462 struct ide_hw **);
1463int ide_host_add(const struct ide_port_info *, struct ide_hw **, unsigned int,
1464 struct ide_host **);
1465void ide_host_remove(struct ide_host *);
1466int ide_legacy_device_add(const struct ide_port_info *, unsigned long);
1467void ide_port_unregister_devices(ide_hwif_t *);
1468void ide_port_scan(ide_hwif_t *);
1469
1470static inline void *ide_get_hwifdata (ide_hwif_t * hwif)
1471{
1472 return hwif->hwif_data;
1473}
1474
1475static inline void ide_set_hwifdata (ide_hwif_t * hwif, void *data)
1476{
1477 hwif->hwif_data = data;
1478}
1479
1480extern void ide_toggle_bounce(ide_drive_t *drive, int on);
1481
1482u64 ide_get_lba_addr(struct ide_cmd *, int);
1483u8 ide_dump_status(ide_drive_t *, const char *, u8);
1484
1485struct ide_timing {
1486 u8 mode;
1487 u8 setup;
1488 u16 act8b;
1489 u16 rec8b;
1490 u16 cyc8b;
1491 u16 active;
1492 u16 recover;
1493 u16 cycle;
1494 u16 udma;
1495};
1496
1497enum {
1498 IDE_TIMING_SETUP = (1 << 0),
1499 IDE_TIMING_ACT8B = (1 << 1),
1500 IDE_TIMING_REC8B = (1 << 2),
1501 IDE_TIMING_CYC8B = (1 << 3),
1502 IDE_TIMING_8BIT = IDE_TIMING_ACT8B | IDE_TIMING_REC8B |
1503 IDE_TIMING_CYC8B,
1504 IDE_TIMING_ACTIVE = (1 << 4),
1505 IDE_TIMING_RECOVER = (1 << 5),
1506 IDE_TIMING_CYCLE = (1 << 6),
1507 IDE_TIMING_UDMA = (1 << 7),
1508 IDE_TIMING_ALL = IDE_TIMING_SETUP | IDE_TIMING_8BIT |
1509 IDE_TIMING_ACTIVE | IDE_TIMING_RECOVER |
1510 IDE_TIMING_CYCLE | IDE_TIMING_UDMA,
1511};
1512
1513struct ide_timing *ide_timing_find_mode(u8);
1514u16 ide_pio_cycle_time(ide_drive_t *, u8);
1515void ide_timing_merge(struct ide_timing *, struct ide_timing *,
1516 struct ide_timing *, unsigned int);
1517int ide_timing_compute(ide_drive_t *, u8, struct ide_timing *, int, int);
1518
1519#ifdef CONFIG_IDE_XFER_MODE
1520int ide_scan_pio_blacklist(char *);
1521const char *ide_xfer_verbose(u8);
1522int ide_pio_need_iordy(ide_drive_t *, const u8);
1523int ide_set_pio_mode(ide_drive_t *, u8);
1524int ide_set_dma_mode(ide_drive_t *, u8);
1525void ide_set_pio(ide_drive_t *, u8);
1526int ide_set_xfer_rate(ide_drive_t *, u8);
1527#else
1528static inline void ide_set_pio(ide_drive_t *drive, u8 pio) { ; }
1529static inline int ide_set_xfer_rate(ide_drive_t *drive, u8 rate) { return -1; }
1530#endif
1531
1532static inline void ide_set_max_pio(ide_drive_t *drive)
1533{
1534 ide_set_pio(drive, 255);
1535}
1536
1537char *ide_media_string(ide_drive_t *);
1538
1539extern const struct attribute_group *ide_dev_groups[];
1540extern struct bus_type ide_bus_type;
1541extern struct class *ide_port_class;
1542
1543static inline void ide_dump_identify(u8 *id)
1544{
1545 print_hex_dump(KERN_INFO, "", DUMP_PREFIX_NONE, 16, 2, id, 512, 0);
1546}
1547
1548static inline int hwif_to_node(ide_hwif_t *hwif)
1549{
1550 return hwif->dev ? dev_to_node(hwif->dev) : -1;
1551}
1552
1553static inline ide_drive_t *ide_get_pair_dev(ide_drive_t *drive)
1554{
1555 ide_drive_t *peer = drive->hwif->devices[(drive->dn ^ 1) & 1];
1556
1557 return (peer->dev_flags & IDE_DFLAG_PRESENT) ? peer : NULL;
1558}
1559
1560static inline void *ide_get_drivedata(ide_drive_t *drive)
1561{
1562 return drive->drive_data;
1563}
1564
1565static inline void ide_set_drivedata(ide_drive_t *drive, void *data)
1566{
1567 drive->drive_data = data;
1568}
1569
1570#define ide_port_for_each_dev(i, dev, port) \
1571 for ((i) = 0; ((dev) = (port)->devices[i]) || (i) < MAX_DRIVES; (i)++)
1572
1573#define ide_port_for_each_present_dev(i, dev, port) \
1574 for ((i) = 0; ((dev) = (port)->devices[i]) || (i) < MAX_DRIVES; (i)++) \
1575 if ((dev)->dev_flags & IDE_DFLAG_PRESENT)
1576
1577#define ide_host_for_each_port(i, port, host) \
1578 for ((i) = 0; ((port) = (host)->ports[i]) || (i) < MAX_HOST_PORTS; (i)++)
1579
1580
1581#endif
1582