1 files changed, 86 insertions, 72 deletions

diff --git a/include/linux/ide.h b/include/linux/ide.h
index 010fb26a1579..db5ef8ae1ab9 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -32,13 +32,6 @@
 # define SUPPORT_VLB_SYNC 1
 #endif
 
-/*
- * Used to indicate "no IRQ", should be a value that cannot be an IRQ
- * number.
- */
- 
-#define IDE_NO_IRQ              (-1)
-
 typedef unsigned char   byte;   /* used everywhere */
 
 /*
@@ -122,8 +115,6 @@ struct ide_io_ports {
 #define MAX_DRIVES      2       /* per interface; 2 assumed by lots of code */
 #define SECTOR_SIZE     512
 
-#define IDE_LARGE_SEEK(b1,b2,t) (((b1) > (b2) + (t)) || ((b2) > (b1) + (t)))
-
 /*
  * Timeouts for various operations:
  */
@@ -172,9 +163,7 @@ typedef int (ide_ack_intr_t)(struct hwif_s *);
 enum {          ide_unknown,    ide_generic,    ide_pci,
                 ide_cmd640,     ide_dtc2278,    ide_ali14xx,
                 ide_qd65xx,     ide_umc8672,    ide_ht6560b,
-                ide_rz1000,     ide_trm290,
-                ide_cmd646,     ide_cy82c693,   ide_4drives,
-                ide_pmac,       ide_acorn,
+                ide_4drives,    ide_pmac,       ide_acorn,
                 ide_au1xxx,     ide_palm3710
 };
 
@@ -407,6 +396,7 @@ enum {
  * This is used for several packet commands (not for READ/WRITE commands).
  */
 #define IDE_PC_BUFFER_SIZE      256
+#define ATAPI_WAIT_PC           (60 * HZ)
 
 struct ide_atapi_pc {
         /* actual packet bytes */
@@ -484,55 +474,53 @@ enum {
 
         /* ide-cd */
         /* Drive cannot eject the disc. */
-        IDE_AFLAG_NO_EJECT              = (1 << 3),
+        IDE_AFLAG_NO_EJECT              = (1 << 1),
         /* Drive is a pre ATAPI 1.2 drive. */
-        IDE_AFLAG_PRE_ATAPI12           = (1 << 4),
+        IDE_AFLAG_PRE_ATAPI12           = (1 << 2),
         /* TOC addresses are in BCD. */
-        IDE_AFLAG_TOCADDR_AS_BCD        = (1 << 5),
+        IDE_AFLAG_TOCADDR_AS_BCD        = (1 << 3),
         /* TOC track numbers are in BCD. */
-        IDE_AFLAG_TOCTRACKS_AS_BCD      = (1 << 6),
+        IDE_AFLAG_TOCTRACKS_AS_BCD      = (1 << 4),
         /*
          * Drive does not provide data in multiples of SECTOR_SIZE
          * when more than one interrupt is needed.
          */
-        IDE_AFLAG_LIMIT_NFRAMES         = (1 << 7),
-        /* Seeking in progress. */
-        IDE_AFLAG_SEEKING               = (1 << 8),
+        IDE_AFLAG_LIMIT_NFRAMES         = (1 << 5),
         /* Saved TOC information is current. */
-        IDE_AFLAG_TOC_VALID             = (1 << 9),
+        IDE_AFLAG_TOC_VALID             = (1 << 6),
         /* We think that the drive door is locked. */
-        IDE_AFLAG_DOOR_LOCKED           = (1 << 10),
+        IDE_AFLAG_DOOR_LOCKED           = (1 << 7),
         /* SET_CD_SPEED command is unsupported. */
-        IDE_AFLAG_NO_SPEED_SELECT       = (1 << 11),
-        IDE_AFLAG_VERTOS_300_SSD        = (1 << 12),
-        IDE_AFLAG_VERTOS_600_ESD        = (1 << 13),
-        IDE_AFLAG_SANYO_3CD             = (1 << 14),
-        IDE_AFLAG_FULL_CAPS_PAGE        = (1 << 15),
-        IDE_AFLAG_PLAY_AUDIO_OK         = (1 << 16),
-        IDE_AFLAG_LE_SPEED_FIELDS       = (1 << 17),
+        IDE_AFLAG_NO_SPEED_SELECT       = (1 << 8),
+        IDE_AFLAG_VERTOS_300_SSD        = (1 << 9),
+        IDE_AFLAG_VERTOS_600_ESD        = (1 << 10),
+        IDE_AFLAG_SANYO_3CD             = (1 << 11),
+        IDE_AFLAG_FULL_CAPS_PAGE        = (1 << 12),
+        IDE_AFLAG_PLAY_AUDIO_OK         = (1 << 13),
+        IDE_AFLAG_LE_SPEED_FIELDS       = (1 << 14),
 
         /* ide-floppy */
         /* Avoid commands not supported in Clik drive */
-        IDE_AFLAG_CLIK_DRIVE            = (1 << 19),
+        IDE_AFLAG_CLIK_DRIVE            = (1 << 15),
         /* Requires BH algorithm for packets */
-        IDE_AFLAG_ZIP_DRIVE             = (1 << 20),
+        IDE_AFLAG_ZIP_DRIVE             = (1 << 16),
         /* Supports format progress report */
-        IDE_AFLAG_SRFP                  = (1 << 22),
+        IDE_AFLAG_SRFP                  = (1 << 17),
 
         /* ide-tape */
-        IDE_AFLAG_IGNORE_DSC            = (1 << 23),
+        IDE_AFLAG_IGNORE_DSC            = (1 << 18),
         /* 0 When the tape position is unknown */
-        IDE_AFLAG_ADDRESS_VALID         = (1 << 24),
+        IDE_AFLAG_ADDRESS_VALID         = (1 << 19),
         /* Device already opened */
-        IDE_AFLAG_BUSY                  = (1 << 25),
+        IDE_AFLAG_BUSY                  = (1 << 20),
         /* Attempt to auto-detect the current user block size */
-        IDE_AFLAG_DETECT_BS             = (1 << 26),
+        IDE_AFLAG_DETECT_BS             = (1 << 21),
         /* Currently on a filemark */
-        IDE_AFLAG_FILEMARK              = (1 << 27),
+        IDE_AFLAG_FILEMARK              = (1 << 22),
         /* 0 = no tape is loaded, so we don't rewind after ejecting */
-        IDE_AFLAG_MEDIUM_PRESENT        = (1 << 28),
+        IDE_AFLAG_MEDIUM_PRESENT        = (1 << 23),
 
-        IDE_AFLAG_NO_AUTOCLOSE          = (1 << 29),
+        IDE_AFLAG_NO_AUTOCLOSE          = (1 << 24),
 };
 
 /* device flags */
@@ -571,28 +559,26 @@ enum {
         IDE_DFLAG_NODMA                 = (1 << 16),
         /* powermanagment told us not to do anything, so sleep nicely */
         IDE_DFLAG_BLOCKED               = (1 << 17),
-        /* ide-scsi emulation */
-        IDE_DFLAG_SCSI                  = (1 << 18),
         /* sleeping & sleep field valid */
-        IDE_DFLAG_SLEEPING              = (1 << 19),
-        IDE_DFLAG_POST_RESET            = (1 << 20),
-        IDE_DFLAG_UDMA33_WARNED         = (1 << 21),
-        IDE_DFLAG_LBA48                 = (1 << 22),
+        IDE_DFLAG_SLEEPING              = (1 << 18),
+        IDE_DFLAG_POST_RESET            = (1 << 19),
+        IDE_DFLAG_UDMA33_WARNED         = (1 << 20),
+        IDE_DFLAG_LBA48                 = (1 << 21),
         /* status of write cache */
-        IDE_DFLAG_WCACHE                = (1 << 23),
+        IDE_DFLAG_WCACHE                = (1 << 22),
         /* used for ignoring ATA_DF */
-        IDE_DFLAG_NOWERR                = (1 << 24),
+        IDE_DFLAG_NOWERR                = (1 << 23),
         /* retrying in PIO */
-        IDE_DFLAG_DMA_PIO_RETRY         = (1 << 25),
-        IDE_DFLAG_LBA                   = (1 << 26),
+        IDE_DFLAG_DMA_PIO_RETRY         = (1 << 24),
+        IDE_DFLAG_LBA                   = (1 << 25),
         /* don't unload heads */
-        IDE_DFLAG_NO_UNLOAD             = (1 << 27),
+        IDE_DFLAG_NO_UNLOAD             = (1 << 26),
         /* heads unloaded, please don't reset port */
-        IDE_DFLAG_PARKED                = (1 << 28),
-        IDE_DFLAG_MEDIA_CHANGED         = (1 << 29),
+        IDE_DFLAG_PARKED                = (1 << 27),
+        IDE_DFLAG_MEDIA_CHANGED         = (1 << 28),
         /* write protect */
-        IDE_DFLAG_WP                    = (1 << 30),
-        IDE_DFLAG_FORMAT_IN_PROGRESS    = (1 << 31),
+        IDE_DFLAG_WP                    = (1 << 29),
+        IDE_DFLAG_FORMAT_IN_PROGRESS    = (1 << 30),
 };
 
 struct ide_drive_s {
@@ -616,8 +602,6 @@ struct ide_drive_s {
         unsigned long dev_flags;
 
         unsigned long sleep;            /* sleep until this time */
-        unsigned long service_start;    /* time we started last request */
-        unsigned long service_time;     /* service time of last request */
         unsigned long timeout;          /* max time to wait for irq */
 
         special_t       special;        /* special action flags */
@@ -845,8 +829,6 @@ typedef struct hwif_s {
         unsigned        extra_ports;    /* number of extra dma ports */
 
         unsigned        present    : 1; /* this interface exists */
-        unsigned        serialized : 1; /* serialized all channel operation */
-        unsigned        sharing_irq: 1; /* 1 = sharing irq with another hwif */
         unsigned        sg_mapped  : 1; /* sg_table and sg_nents are ready */
 
         struct device           gendev;
@@ -887,8 +869,6 @@ typedef struct hwgroup_s {
 
                 /* BOOL: protects all fields below */
         volatile int busy;
-                /* BOOL: wake us up on timer expiry */
-        unsigned int sleeping   : 1;
                 /* BOOL: polling active & poll_timeout field valid */
         unsigned int polling    : 1;
 
@@ -909,6 +889,8 @@ typedef struct hwgroup_s {
 
         int req_gen;
         int req_gen_timer;
+
+        spinlock_t lock;
 } ide_hwgroup_t;
 
 typedef struct ide_driver_s ide_driver_t;
@@ -1122,6 +1104,14 @@ enum {
         IDE_PM_COMPLETED,
 };
 
+int generic_ide_suspend(struct device *, pm_message_t);
+int generic_ide_resume(struct device *);
+
+void ide_complete_power_step(ide_drive_t *, struct request *);
+ide_startstop_t ide_start_power_step(ide_drive_t *, struct request *);
+void ide_complete_pm_request(ide_drive_t *, struct request *);
+void ide_check_pm_state(ide_drive_t *, struct request *);
+
 /*
  * Subdrivers support.
  *
@@ -1256,14 +1246,11 @@ int ide_set_media_lock(ide_drive_t *, struct gendisk *, int);
 void ide_create_request_sense_cmd(ide_drive_t *, struct ide_atapi_pc *);
 void ide_retry_pc(ide_drive_t *, struct gendisk *);
 
-static inline unsigned long ide_scsi_get_timeout(struct ide_atapi_pc *pc)
-{
-        return max_t(unsigned long, WAIT_CMD, pc->timeout - jiffies);
-}
+int ide_cd_expiry(ide_drive_t *);
 
-int ide_scsi_expiry(ide_drive_t *);
+int ide_cd_get_xferlen(struct request *);
 
-ide_startstop_t ide_issue_pc(ide_drive_t *, unsigned int, ide_expiry_t *);
+ide_startstop_t ide_issue_pc(ide_drive_t *);
 
 ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *);
 
@@ -1285,6 +1272,26 @@ extern void ide_stall_queue(ide_drive_t *drive, unsigned long timeout);
 
 extern void ide_timer_expiry(unsigned long);
 extern irqreturn_t ide_intr(int irq, void *dev_id);
+
+static inline int ide_lock_hwgroup(ide_hwgroup_t *hwgroup)
+{
+        if (hwgroup->busy)
+                return 1;
+
+        hwgroup->busy = 1;
+        /* for atari only */
+        ide_get_lock(ide_intr, hwgroup);
+
+        return 0;
+}
+
+static inline void ide_unlock_hwgroup(ide_hwgroup_t *hwgroup)
+{
+        /* for atari only */
+        ide_release_lock();
+        hwgroup->busy = 0;
+}
+
 extern void do_ide_request(struct request_queue *);
 
 void ide_init_disk(struct gendisk *, ide_drive_t *);
@@ -1376,8 +1383,8 @@ enum {
         IDE_HFLAG_LEGACY_IRQS           = (1 << 21),
         /* force use of legacy IRQs */
         IDE_HFLAG_FORCE_LEGACY_IRQS     = (1 << 22),
-        /* limit LBA48 requests to 256 sectors */
-        IDE_HFLAG_RQSIZE_256            = (1 << 23),
+        /* host is TRM290 */
+        IDE_HFLAG_TRM290                = (1 << 23),
         /* use 32-bit I/O ops */
         IDE_HFLAG_IO_32BIT              = (1 << 24),
         /* unmask IRQs */
@@ -1415,6 +1422,9 @@ struct ide_port_info {
 
         ide_pci_enablebit_t     enablebits[2];
         hwif_chipset_t          chipset;
+
+        u16                     max_sectors;    /* if < than the default one */
+
         u32                     host_flags;
         u8                      pio_mask;
         u8                      swdma_mask;
@@ -1528,6 +1538,7 @@ void ide_unregister_region(struct gendisk *);
 void ide_undecoded_slave(ide_drive_t *);
 
 void ide_port_apply_params(ide_hwif_t *);
+int ide_sysfs_register_port(ide_hwif_t *);
 
 struct ide_host *ide_host_alloc(const struct ide_port_info *, hw_regs_t **);
 void ide_host_free(struct ide_host *);
@@ -1610,18 +1621,21 @@ extern struct mutex ide_cfg_mtx;
 /*
  * Structure locking:
  *
- * ide_cfg_mtx and ide_lock together protect changes to
- * ide_hwif_t->{next,hwgroup}
+ * ide_cfg_mtx and hwgroup->lock together protect changes to
+ * ide_hwif_t->next
  * ide_drive_t->next
  *
- * ide_hwgroup_t->busy: ide_lock
- * ide_hwgroup_t->hwif: ide_lock
- * ide_hwif_t->mate: constant, no locking
+ * ide_hwgroup_t->busy: hwgroup->lock
+ * ide_hwgroup_t->hwif: hwgroup->lock
+ * ide_hwif_t->{hwgroup,mate}: constant, no locking
  * ide_drive_t->hwif: constant, no locking
  */
 
 #define local_irq_set(flags)    do { local_save_flags((flags)); local_irq_enable_in_hardirq(); } while (0)
 
+char *ide_media_string(ide_drive_t *);
+
+extern struct device_attribute ide_dev_attrs[];
 extern struct bus_type ide_bus_type;
 extern struct class *ide_port_class;