1 files changed, 187 insertions, 288 deletions

diff --git a/include/linux/ide.h b/include/linux/ide.h
index 4ed4777bba67..367c17084a28 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -9,7 +9,6 @@
 #include <linux/init.h>
 #include <linux/ioport.h>
 #include <linux/hdreg.h>
-#include <linux/hdsmart.h>
 #include <linux/blkdev.h>
 #include <linux/proc_fs.h>
 #include <linux/interrupt.h>
@@ -27,25 +26,10 @@
 #include <asm/semaphore.h>
 #include <asm/mutex.h>
 
-/******************************************************************************
- * IDE driver configuration options (play with these as desired):
- *
- * REALLY_SLOW_IO can be defined in ide.c and ide-cd.c, if necessary
- */
-#define INITIAL_MULT_COUNT      0       /* off=0; on=2,4,8,16,32, etc.. */
-
-#ifndef SUPPORT_SLOW_DATA_PORTS         /* 1 to support slow data ports */
-#define SUPPORT_SLOW_DATA_PORTS 1       /* 0 to reduce kernel size */
-#endif
-#ifndef SUPPORT_VLB_SYNC                /* 1 to support weird 32-bit chips */
-#define SUPPORT_VLB_SYNC        1       /* 0 to reduce kernel size */
-#endif
-#ifndef OK_TO_RESET_CONTROLLER          /* 1 needed for good error recovery */
-#define OK_TO_RESET_CONTROLLER  1       /* 0 for use with AH2372A/B interface */
-#endif
-
-#ifndef DISABLE_IRQ_NOSYNC
-#define DISABLE_IRQ_NOSYNC      0
+#if defined(CRIS) || defined(FRV)
+# define SUPPORT_VLB_SYNC 0
+#else
+# define SUPPORT_VLB_SYNC 1
 #endif
 
 /*
@@ -55,10 +39,6 @@
  
 #define IDE_NO_IRQ              (-1)
 
-/*
- *  "No user-serviceable parts" beyond this point  :)
- *****************************************************************************/
-
 typedef unsigned char   byte;   /* used everywhere */
 
 /*
@@ -103,8 +83,6 @@ typedef unsigned char	byte;	/* used everywhere */
 #define IDE_FEATURE_OFFSET      IDE_ERROR_OFFSET
 #define IDE_COMMAND_OFFSET      IDE_STATUS_OFFSET
 
-#define IDE_CONTROL_OFFSET_HOB  (7)
-
 #define IDE_DATA_REG            (HWIF(drive)->io_ports[IDE_DATA_OFFSET])
 #define IDE_ERROR_REG           (HWIF(drive)->io_ports[IDE_ERROR_OFFSET])
 #define IDE_NSECTOR_REG         (HWIF(drive)->io_ports[IDE_NSECTOR_OFFSET])
@@ -128,25 +106,18 @@ typedef unsigned char	byte;	/* used everywhere */
 #define BAD_W_STAT              (BAD_R_STAT  | WRERR_STAT)
 #define BAD_STAT                (BAD_R_STAT  | DRQ_STAT)
 #define DRIVE_READY             (READY_STAT  | SEEK_STAT)
-#define DATA_READY              (DRQ_STAT)
 
 #define BAD_CRC                 (ABRT_ERR    | ICRC_ERR)
 
 #define SATA_NR_PORTS           (3)     /* 16 possible ?? */
 
 #define SATA_STATUS_OFFSET      (0)
-#define SATA_STATUS_REG         (HWIF(drive)->sata_scr[SATA_STATUS_OFFSET])
 #define SATA_ERROR_OFFSET       (1)
-#define SATA_ERROR_REG          (HWIF(drive)->sata_scr[SATA_ERROR_OFFSET])
 #define SATA_CONTROL_OFFSET     (2)
-#define SATA_CONTROL_REG        (HWIF(drive)->sata_scr[SATA_CONTROL_OFFSET])
 
 #define SATA_MISC_OFFSET        (0)
-#define SATA_MISC_REG           (HWIF(drive)->sata_misc[SATA_MISC_OFFSET])
 #define SATA_PHY_OFFSET         (1)
-#define SATA_PHY_REG            (HWIF(drive)->sata_misc[SATA_PHY_OFFSET])
 #define SATA_IEN_OFFSET         (2)
-#define SATA_IEN_REG            (HWIF(drive)->sata_misc[SATA_IEN_OFFSET])
 
 /*
  * Our Physical Region Descriptor (PRD) table should be large enough
@@ -219,8 +190,12 @@ typedef struct hw_regs_s {
 } hw_regs_t;
 
 struct hwif_s * ide_find_port(unsigned long);
+struct hwif_s *ide_deprecated_find_port(unsigned long);
+void ide_init_port_data(struct hwif_s *, unsigned int);
+void ide_init_port_hw(struct hwif_s *, hw_regs_t *);
 
-int ide_register_hw(hw_regs_t *, void (*)(struct hwif_s *), int,
+struct ide_drive_s;
+int ide_register_hw(hw_regs_t *, void (*)(struct ide_drive_s *),
                     struct hwif_s **);
 
 void ide_setup_ports(   hw_regs_t *hw,
@@ -327,47 +302,16 @@ static inline void ide_init_hwif_ports(hw_regs_t *hw,
 typedef union {
         unsigned all                    : 8;
         struct {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
                 unsigned set_geometry   : 1;
                 unsigned recalibrate    : 1;
                 unsigned set_multmode   : 1;
                 unsigned set_tune       : 1;
                 unsigned serviced       : 1;
                 unsigned reserved       : 3;
-#elif defined(__BIG_ENDIAN_BITFIELD)
-                unsigned reserved       : 3;
-                unsigned serviced       : 1;
-                unsigned set_tune       : 1;
-                unsigned set_multmode   : 1;
-                unsigned recalibrate    : 1;
-                unsigned set_geometry   : 1;
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
         } b;
 } special_t;
 
 /*
- * ATA DATA Register Special.
- * ATA NSECTOR Count Register().
- * ATAPI Byte Count Register.
- */
-typedef union {
-        unsigned all                    :16;
-        struct {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
-                unsigned low            :8;     /* LSB */
-                unsigned high           :8;     /* MSB */
-#elif defined(__BIG_ENDIAN_BITFIELD)
-                unsigned high           :8;     /* MSB */
-                unsigned low            :8;     /* LSB */
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
-        } b;
-} ata_nsector_t, ata_data_t, atapi_bcount_t;
-
-/*
  * ATA-IDE Select Register, aka Device-Head
  *
  * head         : always zeros here
@@ -398,131 +342,6 @@ typedef union {
 } select_t, ata_select_t;
 
 /*
- * The ATA-IDE Status Register.
- * The ATAPI Status Register.
- *
- * check        : Error occurred
- * idx          : Index Error
- * corr         : Correctable error occurred
- * drq          : Data is request by the device
- * dsc          : Disk Seek Complete                    : ata
- *              : Media access command finished         : atapi
- * df           : Device Fault                          : ata
- *              : Reserved                              : atapi
- * drdy         : Ready, Command Mode Capable           : ata
- *              : Ignored for ATAPI commands            : atapi
- * bsy          : Disk is Busy
- *              : The device has access to the command block
- */
-typedef union {
-        unsigned all                    :8;
-        struct {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
-                unsigned check          :1;
-                unsigned idx            :1;
-                unsigned corr           :1;
-                unsigned drq            :1;
-                unsigned dsc            :1;
-                unsigned df             :1;
-                unsigned drdy           :1;
-                unsigned bsy            :1;
-#elif defined(__BIG_ENDIAN_BITFIELD)
-                unsigned bsy            :1;
-                unsigned drdy           :1;
-                unsigned df             :1;
-                unsigned dsc            :1;
-                unsigned drq            :1;
-                unsigned corr           :1;
-                unsigned idx            :1;
-                unsigned check          :1;
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
-        } b;
-} ata_status_t, atapi_status_t;
-
-/*
- * ATAPI Feature Register
- *
- * dma          : Using DMA or PIO
- * reserved321  : Reserved
- * reserved654  : Reserved (Tag Type)
- * reserved7    : Reserved
- */
-typedef union {
-        unsigned all                    :8;
-        struct {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
-                unsigned dma            :1;
-                unsigned reserved321    :3;
-                unsigned reserved654    :3;
-                unsigned reserved7      :1;
-#elif defined(__BIG_ENDIAN_BITFIELD)
-                unsigned reserved7      :1;
-                unsigned reserved654    :3;
-                unsigned reserved321    :3;
-                unsigned dma            :1;
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
-        } b;
-} atapi_feature_t;
-
-/*
- * ATAPI Interrupt Reason Register.
- *
- * cod          : Information transferred is command (1) or data (0)
- * io           : The device requests us to read (1) or write (0)
- * reserved     : Reserved
- */
-typedef union {
-        unsigned all                    :8;
-        struct {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
-                unsigned cod            :1;
-                unsigned io             :1;
-                unsigned reserved       :6;
-#elif defined(__BIG_ENDIAN_BITFIELD)
-                unsigned reserved       :6;
-                unsigned io             :1;
-                unsigned cod            :1;
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
-        } b;
-} atapi_ireason_t;
-
-/*
- * The ATAPI error register.
- *
- * ili          : Illegal Length Indication
- * eom          : End Of Media Detected
- * abrt         : Aborted command - As defined by ATA
- * mcr          : Media Change Requested - As defined by ATA
- * sense_key    : Sense key of the last failed packet command
- */
-typedef union {
-        unsigned all                    :8;
-        struct {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
-                unsigned ili            :1;
-                unsigned eom            :1;
-                unsigned abrt           :1;
-                unsigned mcr            :1;
-                unsigned sense_key      :4;
-#elif defined(__BIG_ENDIAN_BITFIELD)
-                unsigned sense_key      :4;
-                unsigned mcr            :1;
-                unsigned abrt           :1;
-                unsigned eom            :1;
-                unsigned ili            :1;
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
-        } b;
-} atapi_error_t;
-
-/*
  * Status returned from various ide_ functions
  */
 typedef enum {
@@ -568,7 +387,6 @@ typedef struct ide_drive_s {
         u8      state;                  /* retry state */
         u8      waiting_for_dma;        /* dma currently in progress */
         u8      unmask;                 /* okay to unmask other irqs */
-        u8      bswap;                  /* byte swap data */
         u8      noflush;                /* don't attempt flushes */
         u8      dsc_overlap;            /* DSC overlap */
         u8      nice1;                  /* give potential excess bandwidth */
@@ -583,8 +401,6 @@ typedef struct ide_drive_s {
         unsigned no_unmask      : 1;    /* disallow setting unmask bit */
         unsigned no_io_32bit    : 1;    /* disallow enabling 32bit I/O */
         unsigned atapi_overlap  : 1;    /* ATAPI overlap (not supported) */
-        unsigned nice0          : 1;    /* give obvious excess bandwidth */
-        unsigned nice2          : 1;    /* give a share in our own bandwidth */
         unsigned doorlocking    : 1;    /* for removable only: door lock/unlock works */
         unsigned nodma          : 1;    /* disallow DMA */
         unsigned autotune       : 2;    /* 0=default, 1=autotune, 2=noautotune */
@@ -664,7 +480,6 @@ typedef struct hwif_s {
         u8 major;       /* our major number */
         u8 index;       /* 0 for ide0; 1 for ide1; ... */
         u8 channel;     /* for dual-port chips: 0=primary, 1=secondary */
-        u8 straight8;   /* Alan's straight 8 check */
         u8 bus_state;   /* power state of the IDE bus */
 
         u32 host_flags;
@@ -679,7 +494,8 @@ typedef struct hwif_s {
 
         hwif_chipset_t chipset; /* sub-module for tuning.. */
 
-        struct pci_dev  *pci_dev;       /* for pci chipsets */
+        struct device *dev;
+
         const struct ide_port_info *cds;        /* chipset device struct */
 
         ide_ack_intr_t *ack_intr;
@@ -689,6 +505,8 @@ typedef struct hwif_s {
 #if 0
         ide_hwif_ops_t  *hwifops;
 #else
+        /* host specific initialization of devices on a port */
+        void    (*port_init_devs)(struct hwif_s *);
         /* routine to program host for PIO mode */
         void    (*set_pio_mode)(ide_drive_t *, const u8);
         /* routine to program host for DMA mode */
@@ -701,19 +519,17 @@ typedef struct hwif_s {
         void    (*pre_reset)(ide_drive_t *);
         /* routine to reset controller after a disk reset */
         void    (*resetproc)(ide_drive_t *);
-        /* special interrupt handling for shared pci interrupts */
-        void    (*intrproc)(ide_drive_t *);
         /* special host masking for drive selection */
         void    (*maskproc)(ide_drive_t *, int);
         /* check host's drive quirk list */
-        int     (*quirkproc)(ide_drive_t *);
+        void    (*quirkproc)(ide_drive_t *);
         /* driver soft-power interface */
         int     (*busproc)(ide_drive_t *, int);
 #endif
         u8 (*mdma_filter)(ide_drive_t *);
         u8 (*udma_filter)(ide_drive_t *);
 
-        void (*fixup)(struct hwif_s *);
+        u8 (*cable_detect)(struct hwif_s *);
 
         void (*ata_input_data)(ide_drive_t *, void *, u32);
         void (*ata_output_data)(ide_drive_t *, void *, u32);
@@ -721,16 +537,13 @@ typedef struct hwif_s {
         void (*atapi_input_bytes)(ide_drive_t *, void *, u32);
         void (*atapi_output_bytes)(ide_drive_t *, void *, u32);
 
+        void (*dma_host_set)(ide_drive_t *, int);
         int (*dma_setup)(ide_drive_t *);
         void (*dma_exec_cmd)(ide_drive_t *, u8);
         void (*dma_start)(ide_drive_t *);
         int (*ide_dma_end)(ide_drive_t *drive);
-        int (*ide_dma_on)(ide_drive_t *drive);
-        void (*dma_off_quietly)(ide_drive_t *drive);
         int (*ide_dma_test_irq)(ide_drive_t *drive);
         void (*ide_dma_clear_irq)(ide_drive_t *drive);
-        void (*dma_host_on)(ide_drive_t *drive);
-        void (*dma_host_off)(ide_drive_t *drive);
         void (*dma_lost_irq)(ide_drive_t *drive);
         void (*dma_timeout)(ide_drive_t *drive);
 
@@ -766,7 +579,6 @@ typedef struct hwif_s {
         int             rqsize;         /* max sectors per request */
         int             irq;            /* our irq number */
 
-        unsigned long   dma_master;     /* reference base addr dmabase */
         unsigned long   dma_base;       /* base addr for dma ports */
         unsigned long   dma_command;    /* dma command register */
         unsigned long   dma_vendor1;    /* dma vendor 1 register */
@@ -786,10 +598,9 @@ typedef struct hwif_s {
         unsigned        serialized : 1; /* serialized all channel operation */
         unsigned        sharing_irq: 1; /* 1 = sharing irq with another hwif */
         unsigned        reset      : 1; /* reset after probe */
-        unsigned        auto_poll  : 1; /* supports nop auto-poll */
         unsigned        sg_mapped  : 1; /* sg_table and sg_nents are ready */
-        unsigned        no_io_32bit : 1; /* 1 = can not do 32-bit IO ops */
         unsigned        mmio       : 1; /* host uses MMIO */
+        unsigned        straight8  : 1; /* Alan's straight 8 check */
 
         struct device   gendev;
         struct completion gendev_rel_comp; /* To deal with device release() */
@@ -806,15 +617,16 @@ typedef struct hwif_s {
 /*
  *  internal ide interrupt handler type
  */
-typedef ide_startstop_t (ide_pre_handler_t)(ide_drive_t *, struct request *);
 typedef ide_startstop_t (ide_handler_t)(ide_drive_t *);
 typedef int (ide_expiry_t)(ide_drive_t *);
 
+/* used by ide-cd, ide-floppy, etc. */
+typedef void (xfer_func_t)(ide_drive_t *, void *, u32);
+
 typedef struct hwgroup_s {
                 /* irq handler, if active */
         ide_startstop_t (*handler)(ide_drive_t *);
-                /* irq handler, suspended if active */
-        ide_startstop_t (*handler_save)(ide_drive_t *);
+
                 /* BOOL: protects all fields below */
         volatile int busy;
                 /* BOOL: wake us up on timer expiry */
@@ -829,25 +641,18 @@ typedef struct hwgroup_s {
                 /* ptr to current hwif in linked-list */
         ide_hwif_t *hwif;
 
-                /* for pci chipsets */
-        struct pci_dev *pci_dev;
-
                 /* current request */
         struct request *rq;
+
                 /* failsafe timer */
         struct timer_list timer;
-                /* local copy of current write rq */
-        struct request wrq;
                 /* timeout value during long polls */
         unsigned long poll_timeout;
                 /* queried upon timeouts */
         int (*expiry)(ide_drive_t *);
-                /* ide_system_bus_speed */
-        int pio_clock;
+
         int req_gen;
         int req_gen_timer;
-
-        unsigned char cmd_buf[4];
 } ide_hwgroup_t;
 
 typedef struct ide_driver_s ide_driver_t;
@@ -901,6 +706,7 @@ typedef struct {
 void proc_ide_create(void);
 void proc_ide_destroy(void);
 void ide_proc_register_port(ide_hwif_t *);
+void ide_proc_port_register_devices(ide_hwif_t *);
 void ide_proc_unregister_port(ide_hwif_t *);
 void ide_proc_register_driver(ide_drive_t *, ide_driver_t *);
 void ide_proc_unregister_driver(ide_drive_t *, ide_driver_t *);
@@ -933,6 +739,7 @@ void ide_pci_create_host_proc(const char *, get_info_t *);
 static inline void proc_ide_create(void) { ; }
 static inline void proc_ide_destroy(void) { ; }
 static inline void ide_proc_register_port(ide_hwif_t *hwif) { ; }
+static inline void ide_proc_port_register_devices(ide_hwif_t *hwif) { ; }
 static inline void ide_proc_unregister_port(ide_hwif_t *hwif) { ; }
 static inline void ide_proc_register_driver(ide_drive_t *drive, ide_driver_t *driver) { ; }
 static inline void ide_proc_unregister_driver(ide_drive_t *drive, ide_driver_t *driver) { ; }
@@ -1020,7 +827,8 @@ int ide_end_dequeued_request(ide_drive_t *drive, struct request *rq,
 
 extern void ide_set_handler (ide_drive_t *drive, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry);
 
-extern void ide_execute_command(ide_drive_t *, task_ioreg_t cmd, ide_handler_t *, unsigned int, ide_expiry_t *);
+void ide_execute_command(ide_drive_t *, u8, ide_handler_t *, unsigned int,
+                         ide_expiry_t *);
 
 ide_startstop_t __ide_error(ide_drive_t *, struct request *, u8, u8);
 
@@ -1031,14 +839,7 @@ ide_startstop_t __ide_abort(ide_drive_t *, struct request *);
 extern ide_startstop_t ide_abort(ide_drive_t *, const char *);
 
 extern void ide_fix_driveid(struct hd_driveid *);
-/*
- * ide_fixstring() cleans up and (optionally) byte-swaps a text string,
- * removing leading/trailing blanks and compressing internal blanks.
- * It is primarily used to tidy up the model name/number fields as
- * returned by the WIN_[P]IDENTIFY commands.
- *
- * (s, bytecount, byteswap)
- */
+
 extern void ide_fixstring(u8 *, const int, const int);
 
 int ide_wait_stat(ide_startstop_t *, ide_drive_t *, u8, u8, unsigned long);
@@ -1061,60 +862,124 @@ extern int ide_do_drive_cmd(ide_drive_t *, struct request *, ide_action_t);
 
 extern void ide_end_drive_cmd(ide_drive_t *, u8, u8);
 
-/*
- * Issue ATA command and wait for completion.
- * Use for implementing commands in kernel
- *
- *  (ide_drive_t *drive, u8 cmd, u8 nsect, u8 feature, u8 sectors, u8 *buf)
- */
-extern int ide_wait_cmd(ide_drive_t *, u8, u8, u8, u8, u8 *);
+enum {
+        IDE_TFLAG_LBA48                 = (1 << 0),
+        IDE_TFLAG_NO_SELECT_MASK        = (1 << 1),
+        IDE_TFLAG_FLAGGED               = (1 << 2),
+        IDE_TFLAG_OUT_DATA              = (1 << 3),
+        IDE_TFLAG_OUT_HOB_FEATURE       = (1 << 4),
+        IDE_TFLAG_OUT_HOB_NSECT         = (1 << 5),
+        IDE_TFLAG_OUT_HOB_LBAL          = (1 << 6),
+        IDE_TFLAG_OUT_HOB_LBAM          = (1 << 7),
+        IDE_TFLAG_OUT_HOB_LBAH          = (1 << 8),
+        IDE_TFLAG_OUT_HOB               = IDE_TFLAG_OUT_HOB_FEATURE |
+                                          IDE_TFLAG_OUT_HOB_NSECT |
+                                          IDE_TFLAG_OUT_HOB_LBAL |
+                                          IDE_TFLAG_OUT_HOB_LBAM |
+                                          IDE_TFLAG_OUT_HOB_LBAH,
+        IDE_TFLAG_OUT_FEATURE           = (1 << 9),
+        IDE_TFLAG_OUT_NSECT             = (1 << 10),
+        IDE_TFLAG_OUT_LBAL              = (1 << 11),
+        IDE_TFLAG_OUT_LBAM              = (1 << 12),
+        IDE_TFLAG_OUT_LBAH              = (1 << 13),
+        IDE_TFLAG_OUT_TF                = IDE_TFLAG_OUT_FEATURE |
+                                          IDE_TFLAG_OUT_NSECT |
+                                          IDE_TFLAG_OUT_LBAL |
+                                          IDE_TFLAG_OUT_LBAM |
+                                          IDE_TFLAG_OUT_LBAH,
+        IDE_TFLAG_OUT_DEVICE            = (1 << 14),
+        IDE_TFLAG_WRITE                 = (1 << 15),
+        IDE_TFLAG_FLAGGED_SET_IN_FLAGS  = (1 << 16),
+        IDE_TFLAG_IN_DATA               = (1 << 17),
+        IDE_TFLAG_CUSTOM_HANDLER        = (1 << 18),
+        IDE_TFLAG_DMA_PIO_FALLBACK      = (1 << 19),
+        IDE_TFLAG_IN_HOB_FEATURE        = (1 << 20),
+        IDE_TFLAG_IN_HOB_NSECT          = (1 << 21),
+        IDE_TFLAG_IN_HOB_LBAL           = (1 << 22),
+        IDE_TFLAG_IN_HOB_LBAM           = (1 << 23),
+        IDE_TFLAG_IN_HOB_LBAH           = (1 << 24),
+        IDE_TFLAG_IN_HOB_LBA            = IDE_TFLAG_IN_HOB_LBAL |
+                                          IDE_TFLAG_IN_HOB_LBAM |
+                                          IDE_TFLAG_IN_HOB_LBAH,
+        IDE_TFLAG_IN_HOB                = IDE_TFLAG_IN_HOB_FEATURE |
+                                          IDE_TFLAG_IN_HOB_NSECT |
+                                          IDE_TFLAG_IN_HOB_LBA,
+        IDE_TFLAG_IN_NSECT              = (1 << 25),
+        IDE_TFLAG_IN_LBAL               = (1 << 26),
+        IDE_TFLAG_IN_LBAM               = (1 << 27),
+        IDE_TFLAG_IN_LBAH               = (1 << 28),
+        IDE_TFLAG_IN_LBA                = IDE_TFLAG_IN_LBAL |
+                                          IDE_TFLAG_IN_LBAM |
+                                          IDE_TFLAG_IN_LBAH,
+        IDE_TFLAG_IN_TF                 = IDE_TFLAG_IN_NSECT |
+                                          IDE_TFLAG_IN_LBA,
+        IDE_TFLAG_IN_DEVICE             = (1 << 29),
+        IDE_TFLAG_HOB                   = IDE_TFLAG_OUT_HOB |
+                                          IDE_TFLAG_IN_HOB,
+        IDE_TFLAG_TF                    = IDE_TFLAG_OUT_TF |
+                                          IDE_TFLAG_IN_TF,
+        IDE_TFLAG_DEVICE                = IDE_TFLAG_OUT_DEVICE |
+                                          IDE_TFLAG_IN_DEVICE,
+        /* force 16-bit I/O operations */
+        IDE_TFLAG_IO_16BIT              = (1 << 30),
+};
+
+struct ide_taskfile {
+        u8      hob_data;       /*  0: high data byte (for TASKFILE IOCTL) */
+
+        u8      hob_feature;    /*  1-5: additional data to support LBA48 */
+        u8      hob_nsect;
+        u8      hob_lbal;
+        u8      hob_lbam;
+        u8      hob_lbah;
+
+        u8      data;           /*  6: low data byte (for TASKFILE IOCTL) */
+
+        union {                 /*  7: */
+                u8 error;       /*   read:  error */
+                u8 feature;     /*  write: feature */
+        };
+
+        u8      nsect;          /*  8: number of sectors */
+        u8      lbal;           /*  9: LBA low */
+        u8      lbam;           /* 10: LBA mid */
+        u8      lbah;           /* 11: LBA high */
+
+        u8      device;         /* 12: device select */
+
+        union {                 /* 13: */
+                u8 status;      /*  read: status  */
+                u8 command;     /* write: command */
+        };
+};
 
 typedef struct ide_task_s {
-/*
- *      struct hd_drive_task_hdr        tf;
- *      task_struct_t           tf;
- *      struct hd_drive_hob_hdr         hobf;
- *      hob_struct_t            hobf;
- */
-        task_ioreg_t            tfRegister[8];
-        task_ioreg_t            hobRegister[8];
-        ide_reg_valid_t         tf_out_flags;
-        ide_reg_valid_t         tf_in_flags;
+        union {
+                struct ide_taskfile     tf;
+                u8                      tf_array[14];
+        };
+        u32                     tf_flags;
         int                     data_phase;
-        int                     command_type;
-        ide_pre_handler_t       *prehandler;
-        ide_handler_t           *handler;
         struct request          *rq;            /* copy of request */
         void                    *special;       /* valid_t generally */
 } ide_task_t;
 
-extern u32 ide_read_24(ide_drive_t *);
+void ide_tf_load(ide_drive_t *, ide_task_t *);
+void ide_tf_read(ide_drive_t *, ide_task_t *);
 
 extern void SELECT_DRIVE(ide_drive_t *);
-extern void SELECT_INTERRUPT(ide_drive_t *);
 extern void SELECT_MASK(ide_drive_t *, int);
-extern void QUIRK_LIST(ide_drive_t *);
 
 extern int drive_is_ready(ide_drive_t *);
 
-/*
- * taskfile io for disks for now...and builds request from ide_ioctl
- */
-extern ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *);
+void ide_pktcmd_tf_load(ide_drive_t *, u32, u16, u8);
 
-/*
- * Special Flagged Register Validation Caller
- */
-extern ide_startstop_t flagged_taskfile(ide_drive_t *, ide_task_t *);
+ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *);
 
-extern ide_startstop_t set_multmode_intr(ide_drive_t *);
-extern ide_startstop_t set_geometry_intr(ide_drive_t *);
-extern ide_startstop_t recal_intr(ide_drive_t *);
-extern ide_startstop_t task_no_data_intr(ide_drive_t *);
-extern ide_startstop_t task_in_intr(ide_drive_t *);
-extern ide_startstop_t pre_task_out_intr(ide_drive_t *, struct request *);
+void task_end_request(ide_drive_t *, struct request *, u8);
 
-extern int ide_raw_taskfile(ide_drive_t *, ide_task_t *, u8 *);
+int ide_raw_taskfile(ide_drive_t *, ide_task_t *, u8 *, u16);
+int ide_no_data_taskfile(ide_drive_t *, ide_task_t *);
 
 int ide_taskfile_ioctl(ide_drive_t *, unsigned int, unsigned long);
 int ide_cmd_ioctl(ide_drive_t *, unsigned int, unsigned long);
@@ -1123,10 +988,8 @@ int ide_task_ioctl(ide_drive_t *, unsigned int, unsigned long);
 extern int system_bus_clock(void);
 
 extern int ide_driveid_update(ide_drive_t *);
-extern int ide_ata66_check(ide_drive_t *, ide_task_t *);
 extern int ide_config_drive_speed(ide_drive_t *, u8);
 extern u8 eighty_ninty_three (ide_drive_t *);
-extern int set_transfer(ide_drive_t *, ide_task_t *);
 extern int taskfile_lib_get_identify(ide_drive_t *drive, u8 *);
 
 extern int ide_wait_not_busy(ide_hwif_t *hwif, unsigned long timeout);
@@ -1140,10 +1003,8 @@ extern void do_ide_request(struct request_queue *);
 
 void ide_init_disk(struct gendisk *, ide_drive_t *);
 
-extern int ideprobe_init(void);
-
 #ifdef CONFIG_IDEPCI_PCIBUS_ORDER
-extern void ide_scan_pcibus(int scan_direction) __init;
+extern int ide_scan_direction;
 extern int __ide_pci_register_driver(struct pci_driver *driver, struct module *owner, const char *mod_name);
 #define ide_pci_register_driver(d) __ide_pci_register_driver(d, THIS_MODULE, KBUILD_MODNAME)
 #else
@@ -1153,6 +1014,13 @@ extern int __ide_pci_register_driver(struct pci_driver *driver, struct module *o
 void ide_pci_setup_ports(struct pci_dev *, const struct ide_port_info *, int, u8 *);
 void ide_setup_pci_noise(struct pci_dev *, const struct ide_port_info *);
 
+#ifdef CONFIG_BLK_DEV_IDEDMA_PCI
+void ide_hwif_setup_dma(ide_hwif_t *, const struct ide_port_info *);
+#else
+static inline void ide_hwif_setup_dma(ide_hwif_t *hwif,
+                                      const struct ide_port_info *d) { }
+#endif
+
 extern void default_hwif_iops(ide_hwif_t *);
 extern void default_hwif_mmiops(ide_hwif_t *);
 extern void default_hwif_transport(ide_hwif_t *);
@@ -1189,7 +1057,7 @@ enum {
         IDE_HFLAG_NO_SET_MODE           = (1 << 9),
         /* trust BIOS for programming chipset/device for DMA */
         IDE_HFLAG_TRUST_BIOS_FOR_DMA    = (1 << 10),
-        /* host uses VDMA */
+        /* host uses VDMA (tied with IDE_HFLAG_CS5520 for now) */
         IDE_HFLAG_VDMA                  = (1 << 11),
         /* ATAPI DMA is unsupported */
         IDE_HFLAG_NO_ATAPI_DMA          = (1 << 12),
@@ -1199,8 +1067,10 @@ enum {
         IDE_HFLAG_NO_DMA                = (1 << 14),
         /* check if host is PCI IDE device before allowing DMA */
         IDE_HFLAG_NO_AUTODMA            = (1 << 15),
+        /* don't autotune PIO */
+        IDE_HFLAG_NO_AUTOTUNE           = (1 << 16),
         /* host is CS5510/CS5520 */
-        IDE_HFLAG_CS5520                = (1 << 16),
+        IDE_HFLAG_CS5520                = IDE_HFLAG_VDMA,
         /* no LBA48 */
         IDE_HFLAG_NO_LBA48              = (1 << 17),
         /* no LBA48 DMA */
@@ -1219,6 +1089,17 @@ enum {
         IDE_HFLAG_IO_32BIT              = (1 << 24),
         /* unmask IRQs */
         IDE_HFLAG_UNMASK_IRQS           = (1 << 25),
+        IDE_HFLAG_ABUSE_SET_DMA_MODE    = (1 << 26),
+        /* host is CY82C693 */
+        IDE_HFLAG_CY82C693              = (1 << 27),
+        /* force host out of "simplex" mode */
+        IDE_HFLAG_CLEAR_SIMPLEX         = (1 << 28),
+        /* DSC overlap is unsupported */
+        IDE_HFLAG_NO_DSC                = (1 << 29),
+        /* never use 32-bit I/O ops */
+        IDE_HFLAG_NO_IO_32BIT           = (1 << 30),
+        /* never unmask IRQs */
+        IDE_HFLAG_NO_UNMASK_IRQS        = (1 << 31),
 };
 
 #ifdef CONFIG_BLK_DEV_OFFBOARD
@@ -1233,10 +1114,9 @@ struct ide_port_info {
         void                    (*init_iops)(ide_hwif_t *);
         void                    (*init_hwif)(ide_hwif_t *);
         void                    (*init_dma)(ide_hwif_t *, unsigned long);
-        void                    (*fixup)(ide_hwif_t *);
         ide_pci_enablebit_t     enablebits[2];
         hwif_chipset_t          chipset;
-        unsigned int            extra;
+        u8                      extra;
         u32                     host_flags;
         u8                      pio_mask;
         u8                      swdma_mask;
@@ -1262,6 +1142,7 @@ int ide_in_drive_list(struct hd_driveid *, const struct drive_list_entry *);
 
 #ifdef CONFIG_BLK_DEV_IDEDMA
 int __ide_dma_bad_drive(ide_drive_t *);
+int ide_id_dma_bug(ide_drive_t *);
 
 u8 ide_find_dma_mode(ide_drive_t *, u8);
 
@@ -1270,22 +1151,22 @@ static inline u8 ide_max_dma_mode(ide_drive_t *drive)
         return ide_find_dma_mode(drive, XFER_UDMA_6);
 }
 
+void ide_dma_off_quietly(ide_drive_t *);
 void ide_dma_off(ide_drive_t *);
-void ide_dma_verbose(ide_drive_t *);
+void ide_dma_on(ide_drive_t *);
 int ide_set_dma(ide_drive_t *);
+void ide_check_dma_crc(ide_drive_t *);
 ide_startstop_t ide_dma_intr(ide_drive_t *);
 
+int ide_build_sglist(ide_drive_t *, struct request *);
+void ide_destroy_dmatable(ide_drive_t *);
+
 #ifdef CONFIG_BLK_DEV_IDEDMA_PCI
-extern int ide_build_sglist(ide_drive_t *, struct request *);
 extern int ide_build_dmatable(ide_drive_t *, struct request *);
-extern void ide_destroy_dmatable(ide_drive_t *);
 extern int ide_release_dma(ide_hwif_t *);
-extern void ide_setup_dma(ide_hwif_t *, unsigned long, unsigned int);
+extern void ide_setup_dma(ide_hwif_t *, unsigned long);
 
-void ide_dma_host_off(ide_drive_t *);
-void ide_dma_off_quietly(ide_drive_t *);
-void ide_dma_host_on(ide_drive_t *);
-extern int __ide_dma_on(ide_drive_t *);
+void ide_dma_host_set(ide_drive_t *, int);
 extern int ide_dma_setup(ide_drive_t *);
 extern void ide_dma_start(ide_drive_t *);
 extern int __ide_dma_end(ide_drive_t *);
@@ -1294,11 +1175,15 @@ extern void ide_dma_timeout(ide_drive_t *);
 #endif /* CONFIG_BLK_DEV_IDEDMA_PCI */
 
 #else
+static inline int ide_id_dma_bug(ide_drive_t *drive) { return 0; }
 static inline u8 ide_find_dma_mode(ide_drive_t *drive, u8 speed) { return 0; }
 static inline u8 ide_max_dma_mode(ide_drive_t *drive) { return 0; }
+static inline void ide_dma_off_quietly(ide_drive_t *drive) { ; }
 static inline void ide_dma_off(ide_drive_t *drive) { ; }
+static inline void ide_dma_on(ide_drive_t *drive) { ; }
 static inline void ide_dma_verbose(ide_drive_t *drive) { ; }
 static inline int ide_set_dma(ide_drive_t *drive) { return 1; }
+static inline void ide_check_dma_crc(ide_drive_t *drive) { ; }
 #endif /* CONFIG_BLK_DEV_IDEDMA */
 
 #ifndef CONFIG_BLK_DEV_IDEDMA_PCI
@@ -1310,25 +1195,29 @@ extern int ide_acpi_exec_tfs(ide_drive_t *drive);
 extern void ide_acpi_get_timing(ide_hwif_t *hwif);
 extern void ide_acpi_push_timing(ide_hwif_t *hwif);
 extern void ide_acpi_init(ide_hwif_t *hwif);
+void ide_acpi_port_init_devices(ide_hwif_t *);
 extern void ide_acpi_set_state(ide_hwif_t *hwif, int on);
 #else
 static inline int ide_acpi_exec_tfs(ide_drive_t *drive) { return 0; }
 static inline void ide_acpi_get_timing(ide_hwif_t *hwif) { ; }
 static inline void ide_acpi_push_timing(ide_hwif_t *hwif) { ; }
 static inline void ide_acpi_init(ide_hwif_t *hwif) { ; }
+static inline void ide_acpi_port_init_devices(ide_hwif_t *hwif) { ; }
 static inline void ide_acpi_set_state(ide_hwif_t *hwif, int on) {}
 #endif
 
+void ide_remove_port_from_hwgroup(ide_hwif_t *);
 extern int ide_hwif_request_regions(ide_hwif_t *hwif);
 extern void ide_hwif_release_regions(ide_hwif_t* hwif);
-extern void ide_unregister (unsigned int index);
+void ide_unregister(unsigned int, int, int);
 
 void ide_register_region(struct gendisk *);
 void ide_unregister_region(struct gendisk *);
 
-void ide_undecoded_slave(ide_hwif_t *);
+void ide_undecoded_slave(ide_drive_t *);
 
-int ide_device_add(u8 idx[4]);
+int ide_device_add_all(u8 *idx, const struct ide_port_info *);
+int ide_device_add(u8 idx[4], const struct ide_port_info *);
 
 static inline void *ide_get_hwifdata (ide_hwif_t * hwif)
 {
@@ -1340,8 +1229,7 @@ static inline void ide_set_hwifdata (ide_hwif_t * hwif, void *data)
         hwif->hwif_data = data;
 }
 
-/* ide-lib.c */
-extern char *ide_xfer_verbose(u8 xfer_rate);
+const char *ide_xfer_verbose(u8 mode);
 extern void ide_toggle_bounce(ide_drive_t *drive, int on);
 extern int ide_set_xfer_rate(ide_drive_t *drive, u8 rate);
 
@@ -1363,6 +1251,7 @@ static inline int ide_dev_is_sata(struct hd_driveid *id)
         return 0;
 }
 
+u64 ide_get_lba_addr(struct ide_taskfile *, int);
 u8 ide_dump_status(ide_drive_t *, const char *, u8);
 
 typedef struct ide_pio_timings_s {
@@ -1412,9 +1301,14 @@ extern struct bus_type ide_bus_type;
 #define ide_id_has_flush_cache_ext(id)  \
         (((id)->cfs_enable_2 & 0x2400) == 0x2400)
 
+static inline void ide_dump_identify(u8 *id)
+{
+        print_hex_dump(KERN_INFO, "", DUMP_PREFIX_NONE, 16, 2, id, 512, 0);
+}
+
 static inline int hwif_to_node(ide_hwif_t *hwif)
 {
-        struct pci_dev *dev = hwif->pci_dev;
+        struct pci_dev *dev = to_pci_dev(hwif->dev);
         return dev ? pcibus_to_node(dev->bus) : -1;
 }
 
@@ -1425,4 +1319,9 @@ static inline ide_drive_t *ide_get_paired_drive(ide_drive_t *drive)
         return &hwif->drives[(drive->dn ^ 1) & 1];
 }
 
+static inline void ide_set_irq(ide_drive_t *drive, int on)
+{
+        drive->hwif->OUTB(drive->ctl | (on ? 0 : 2), IDE_CONTROL_REG);
+}
+
 #endif /* _IDE_H */