1 files changed, 136 insertions, 140 deletions

diff --git a/include/linux/ide.h b/include/linux/ide.h
index 5f3e82ae901a..b0135b0c3a04 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -48,13 +48,6 @@ typedef unsigned char	byte;	/* used everywhere */
 #define ERROR_RECAL     1       /* Recalibrate every 2nd retry */
 
 /*
- * Tune flags
- */
-#define IDE_TUNE_NOAUTO         2
-#define IDE_TUNE_AUTO           1
-#define IDE_TUNE_DEFAULT        0
-
-/*
  * state flags
  */
 
@@ -68,23 +61,30 @@ typedef unsigned char	byte;	/* used everywhere */
  */
 #define IDE_NR_PORTS            (10)
 
-#define IDE_DATA_OFFSET         (0)
-#define IDE_ERROR_OFFSET        (1)
-#define IDE_NSECTOR_OFFSET      (2)
-#define IDE_SECTOR_OFFSET       (3)
-#define IDE_LCYL_OFFSET         (4)
-#define IDE_HCYL_OFFSET         (5)
-#define IDE_SELECT_OFFSET       (6)
-#define IDE_STATUS_OFFSET       (7)
-#define IDE_CONTROL_OFFSET      (8)
-#define IDE_IRQ_OFFSET          (9)
-
-#define IDE_FEATURE_OFFSET      IDE_ERROR_OFFSET
-#define IDE_COMMAND_OFFSET      IDE_STATUS_OFFSET
-#define IDE_ALTSTATUS_OFFSET    IDE_CONTROL_OFFSET
-#define IDE_IREASON_OFFSET      IDE_NSECTOR_OFFSET
-#define IDE_BCOUNTL_OFFSET      IDE_LCYL_OFFSET
-#define IDE_BCOUNTH_OFFSET      IDE_HCYL_OFFSET
+struct ide_io_ports {
+        unsigned long   data_addr;
+
+        union {
+                unsigned long error_addr;       /*   read:  error */
+                unsigned long feature_addr;     /*  write: feature */
+        };
+
+        unsigned long   nsect_addr;
+        unsigned long   lbal_addr;
+        unsigned long   lbam_addr;
+        unsigned long   lbah_addr;
+
+        unsigned long   device_addr;
+
+        union {
+                unsigned long status_addr;      /*  read: status  */
+                unsigned long command_addr;     /* write: command */
+        };
+
+        unsigned long   ctl_addr;
+
+        unsigned long   irq_addr;
+};
 
 #define OK_STAT(stat,good,bad)  (((stat)&((good)|(bad)))==(good))
 #define BAD_R_STAT              (BUSY_STAT   | ERR_STAT)
@@ -163,14 +163,17 @@ typedef u8 hwif_chipset_t;
  * Structure to hold all information about the location of this port
  */
 typedef struct hw_regs_s {
-        unsigned long   io_ports[IDE_NR_PORTS]; /* task file registers */
+        union {
+                struct ide_io_ports     io_ports;
+                unsigned long           io_ports_array[IDE_NR_PORTS];
+        };
+
         int             irq;                    /* our irq number */
         ide_ack_intr_t  *ack_intr;              /* acknowledge interrupt */
         hwif_chipset_t  chipset;
         struct device   *dev;
 } hw_regs_t;
 
-struct hwif_s * ide_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 *);
 
@@ -180,10 +183,10 @@ static inline void ide_std_init_ports(hw_regs_t *hw,
 {
         unsigned int i;
 
-        for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++)
-                hw->io_ports[i] = io_addr++;
+        for (i = 0; i <= 7; i++)
+                hw->io_ports_array[i] = io_addr++;
 
-        hw->io_ports[IDE_CONTROL_OFFSET] = ctl_addr;
+        hw->io_ports.ctl_addr = ctl_addr;
 }
 
 #include <asm/ide.h>
@@ -329,7 +332,6 @@ typedef struct ide_drive_s {
         unsigned atapi_overlap  : 1;    /* ATAPI overlap (not supported) */
         unsigned doorlocking    : 1;    /* for removable only: door lock/unlock works */
         unsigned nodma          : 1;    /* disallow DMA */
-        unsigned autotune       : 2;    /* 0=default, 1=autotune, 2=noautotune */
         unsigned remap_0_to_1   : 1;    /* 0=noremap, 1=remap 0->1 (for EZDrive) */
         unsigned blocked        : 1;    /* 1=powermanagment told us not to do anything, so sleep nicely */
         unsigned vdma           : 1;    /* 1=doing PIO over DMA 0=doing normal DMA */
@@ -388,6 +390,45 @@ typedef struct ide_drive_s {
 
 struct ide_port_info;
 
+struct ide_port_ops {
+        /* 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 */
+        void    (*set_dma_mode)(ide_drive_t *, const u8);
+        /* tweaks hardware to select drive */
+        void    (*selectproc)(ide_drive_t *);
+        /* chipset polling based on hba specifics */
+        int     (*reset_poll)(ide_drive_t *);
+        /* chipset specific changes to default for device-hba resets */
+        void    (*pre_reset)(ide_drive_t *);
+        /* routine to reset controller after a disk reset */
+        void    (*resetproc)(ide_drive_t *);
+        /* special host masking for drive selection */
+        void    (*maskproc)(ide_drive_t *, int);
+        /* check host's drive quirk list */
+        void    (*quirkproc)(ide_drive_t *);
+
+        u8      (*mdma_filter)(ide_drive_t *);
+        u8      (*udma_filter)(ide_drive_t *);
+
+        u8      (*cable_detect)(struct hwif_s *);
+};
+
+struct ide_dma_ops {
+        void    (*dma_host_set)(struct ide_drive_s *, int);
+        int     (*dma_setup)(struct ide_drive_s *);
+        void    (*dma_exec_cmd)(struct ide_drive_s *, u8);
+        void    (*dma_start)(struct ide_drive_s *);
+        int     (*dma_end)(struct ide_drive_s *);
+        int     (*dma_test_irq)(struct ide_drive_s *);
+        void    (*dma_lost_irq)(struct ide_drive_s *);
+        void    (*dma_timeout)(struct ide_drive_s *);
+};
+
+struct ide_task_s;
+
 typedef struct hwif_s {
         struct hwif_s *next;            /* for linked-list in ide_hwgroup_t */
         struct hwif_s *mate;            /* other hwif from same PCI chip */
@@ -396,8 +437,8 @@ typedef struct hwif_s {
 
         char name[6];                   /* name of interface, eg. "ide0" */
 
-                /* task file registers for pata and sata */
-        unsigned long   io_ports[IDE_NR_PORTS];
+        struct ide_io_ports     io_ports;
+
         unsigned long   sata_scr[SATA_NR_PORTS];
 
         ide_drive_t     drives[MAX_DRIVES];     /* drive info */
@@ -421,65 +462,25 @@ typedef struct hwif_s {
 
         struct device *dev;
 
-        const struct ide_port_info *cds;        /* chipset device struct */
-
         ide_ack_intr_t *ack_intr;
 
         void (*rw_disk)(ide_drive_t *, struct request *);
 
-#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 */
-        void    (*set_dma_mode)(ide_drive_t *, const u8);
-        /* tweaks hardware to select drive */
-        void    (*selectproc)(ide_drive_t *);
-        /* chipset polling based on hba specifics */
-        int     (*reset_poll)(ide_drive_t *);
-        /* chipset specific changes to default for device-hba resets */
-        void    (*pre_reset)(ide_drive_t *);
-        /* routine to reset controller after a disk reset */
-        void    (*resetproc)(ide_drive_t *);
-        /* special host masking for drive selection */
-        void    (*maskproc)(ide_drive_t *, int);
-        /* check host's drive quirk list */
-        void    (*quirkproc)(ide_drive_t *);
-#endif
-        u8 (*mdma_filter)(ide_drive_t *);
-        u8 (*udma_filter)(ide_drive_t *);
-
-        u8 (*cable_detect)(struct hwif_s *);
+        const struct ide_port_ops       *port_ops;
+        const struct ide_dma_ops        *dma_ops;
 
-        void (*ata_input_data)(ide_drive_t *, void *, u32);
-        void (*ata_output_data)(ide_drive_t *, void *, u32);
+        void (*tf_load)(ide_drive_t *, struct ide_task_s *);
+        void (*tf_read)(ide_drive_t *, struct ide_task_s *);
 
-        void (*atapi_input_bytes)(ide_drive_t *, void *, u32);
-        void (*atapi_output_bytes)(ide_drive_t *, void *, u32);
+        void (*input_data)(ide_drive_t *, struct request *, void *, unsigned);
+        void (*output_data)(ide_drive_t *, struct request *, void *, unsigned);
 
-        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_test_irq)(ide_drive_t *drive);
         void (*ide_dma_clear_irq)(ide_drive_t *drive);
-        void (*dma_lost_irq)(ide_drive_t *drive);
-        void (*dma_timeout)(ide_drive_t *drive);
 
         void (*OUTB)(u8 addr, unsigned long port);
         void (*OUTBSYNC)(ide_drive_t *drive, u8 addr, unsigned long port);
-        void (*OUTW)(u16 addr, unsigned long port);
-        void (*OUTSW)(unsigned long port, void *addr, u32 count);
-        void (*OUTSL)(unsigned long port, void *addr, u32 count);
 
         u8  (*INB)(unsigned long port);
-        u16 (*INW)(unsigned long port);
-        void (*INSW)(unsigned long port, void *addr, u32 count);
-        void (*INSL)(unsigned long port, void *addr, u32 count);
 
         /* dma physical region descriptor table (cpu view) */
         unsigned int    *dmatable_cpu;
@@ -504,10 +505,7 @@ typedef struct hwif_s {
 
         unsigned long   dma_base;       /* base addr for dma ports */
         unsigned long   dma_command;    /* dma command register */
-        unsigned long   dma_vendor1;    /* dma vendor 1 register */
         unsigned long   dma_status;     /* dma status register */
-        unsigned long   dma_vendor3;    /* dma vendor 3 register */
-        unsigned long   dma_prdtable;   /* actual prd table address */
 
         unsigned long   config_data;    /* for use by chipset-specific code */
         unsigned long   select_data;    /* for use by chipset-specific code */
@@ -515,14 +513,11 @@ typedef struct hwif_s {
         unsigned long   extra_base;     /* extra addr for dma ports */
         unsigned        extra_ports;    /* number of extra dma ports */
 
-        unsigned        noprobe    : 1; /* don't probe for this interface */
         unsigned        present    : 1; /* this interface exists */
         unsigned        serialized : 1; /* serialized all channel operation */
         unsigned        sharing_irq: 1; /* 1 = sharing irq with another hwif */
-        unsigned        reset      : 1; /* reset after probe */
         unsigned        sg_mapped  : 1; /* sg_table and sg_nents are ready */
         unsigned        mmio       : 1; /* host uses MMIO */
-        unsigned        straight8  : 1; /* Alan's straight 8 check */
 
         struct device           gendev;
         struct device           *portdev;
@@ -545,7 +540,7 @@ 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 void (xfer_func_t)(ide_drive_t *, struct request *rq, void *, unsigned);
 
 typedef struct hwgroup_s {
                 /* irq handler, if active */
@@ -703,10 +698,6 @@ void ide_add_generic_settings(ide_drive_t *);
 read_proc_t proc_ide_read_capacity;
 read_proc_t proc_ide_read_geometry;
 
-#ifdef CONFIG_BLK_DEV_IDEPCI
-void ide_pci_create_host_proc(const char *, get_info_t *);
-#endif
-
 /*
  * Standard exit stuff:
  */
@@ -807,8 +798,21 @@ int generic_ide_ioctl(ide_drive_t *, struct file *, struct block_device *, unsig
 #ifndef _IDE_C
 extern  ide_hwif_t      ide_hwifs[];            /* master data repository */
 #endif
+extern int ide_noacpi;
+extern int ide_acpigtf;
+extern int ide_acpionboot;
 extern int noautodma;
 
+extern int ide_vlb_clk;
+extern int ide_pci_clk;
+
+ide_hwif_t *ide_find_port_slot(const struct ide_port_info *);
+
+static inline ide_hwif_t *ide_find_port(void)
+{
+        return ide_find_port_slot(NULL);
+}
+
 extern int ide_end_request (ide_drive_t *drive, int uptodate, int nrsecs);
 int ide_end_dequeued_request(ide_drive_t *drive, struct request *rq,
                              int uptodate, int nr_sectors);
@@ -818,6 +822,10 @@ extern void ide_set_handler (ide_drive_t *drive, ide_handler_t *handler, unsigne
 void ide_execute_command(ide_drive_t *, u8, ide_handler_t *, unsigned int,
                          ide_expiry_t *);
 
+void ide_execute_pkt_cmd(ide_drive_t *);
+
+void ide_pad_transfer(ide_drive_t *, int, int);
+
 ide_startstop_t __ide_error(ide_drive_t *, struct request *, u8, u8);
 
 ide_startstop_t ide_error (ide_drive_t *drive, const char *msg, byte stat);
@@ -954,8 +962,7 @@ typedef struct ide_task_s {
         void                    *special;       /* valid_t generally */
 } ide_task_t;
 
-void ide_tf_load(ide_drive_t *, ide_task_t *);
-void ide_tf_read(ide_drive_t *, ide_task_t *);
+void ide_tf_dump(const char *, struct ide_taskfile *);
 
 extern void SELECT_DRIVE(ide_drive_t *);
 extern void SELECT_MASK(ide_drive_t *, int);
@@ -1004,10 +1011,15 @@ 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 *);
+int ide_pci_set_master(struct pci_dev *, const char *);
+unsigned long ide_pci_dma_base(ide_hwif_t *, const struct ide_port_info *);
+int 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) { }
+static inline int ide_hwif_setup_dma(ide_hwif_t *hwif,
+                                     const struct ide_port_info *d)
+{
+        return -EINVAL;
+}
 #endif
 
 extern void default_hwif_iops(ide_hwif_t *);
@@ -1027,8 +1039,8 @@ enum {
         IDE_HFLAG_SINGLE                = (1 << 1),
         /* don't use legacy PIO blacklist */
         IDE_HFLAG_PIO_NO_BLACKLIST      = (1 << 2),
-        /* don't use conservative PIO "downgrade" */
-        IDE_HFLAG_PIO_NO_DOWNGRADE      = (1 << 3),
+        /* set for the second port of QD65xx */
+        IDE_HFLAG_QD_2ND_PORT           = (1 << 3),
         /* use PIO8/9 for prefetch off/on */
         IDE_HFLAG_ABUSE_PREFETCH        = (1 << 4),
         /* use PIO6/7 for fast-devsel off/on */
@@ -1050,14 +1062,14 @@ enum {
         IDE_HFLAG_VDMA                  = (1 << 11),
         /* ATAPI DMA is unsupported */
         IDE_HFLAG_NO_ATAPI_DMA          = (1 << 12),
-        /* set if host is a "bootable" controller */
-        IDE_HFLAG_BOOTABLE              = (1 << 13),
+        /* set if host is a "non-bootable" controller */
+        IDE_HFLAG_NON_BOOTABLE          = (1 << 13),
         /* host doesn't support DMA */
         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 uses MMIO */
+        IDE_HFLAG_MMIO                  = (1 << 16),
         /* host is CS5510/CS5520 */
         IDE_HFLAG_CS5520                = IDE_HFLAG_VDMA,
         /* no LBA48 */
@@ -1079,8 +1091,8 @@ enum {
         /* unmask IRQs */
         IDE_HFLAG_UNMASK_IRQS           = (1 << 25),
         IDE_HFLAG_ABUSE_SET_DMA_MODE    = (1 << 26),
-        /* host is CY82C693 */
-        IDE_HFLAG_CY82C693              = (1 << 27),
+        /* serialize ports if DMA is possible (for sl82c105) */
+        IDE_HFLAG_SERIALIZE_DMA         = (1 << 27),
         /* force host out of "simplex" mode */
         IDE_HFLAG_CLEAR_SIMPLEX         = (1 << 28),
         /* DSC overlap is unsupported */
@@ -1092,9 +1104,9 @@ enum {
 };
 
 #ifdef CONFIG_BLK_DEV_OFFBOARD
-# define IDE_HFLAG_OFF_BOARD    IDE_HFLAG_BOOTABLE
-#else
 # define IDE_HFLAG_OFF_BOARD    0
+#else
+# define IDE_HFLAG_OFF_BOARD    IDE_HFLAG_NON_BOOTABLE
 #endif
 
 struct ide_port_info {
@@ -1102,10 +1114,14 @@ struct ide_port_info {
         unsigned int            (*init_chipset)(struct pci_dev *, const char *);
         void                    (*init_iops)(ide_hwif_t *);
         void                    (*init_hwif)(ide_hwif_t *);
-        void                    (*init_dma)(ide_hwif_t *, unsigned long);
+        int                     (*init_dma)(ide_hwif_t *,
+                                            const struct ide_port_info *);
+
+        const struct ide_port_ops       *port_ops;
+        const struct ide_dma_ops        *dma_ops;
+
         ide_pci_enablebit_t     enablebits[2];
         hwif_chipset_t          chipset;
-        u8                      extra;
         u32                     host_flags;
         u8                      pio_mask;
         u8                      swdma_mask;
@@ -1152,13 +1168,16 @@ void ide_destroy_dmatable(ide_drive_t *);
 
 #ifdef CONFIG_BLK_DEV_IDEDMA_SFF
 extern int ide_build_dmatable(ide_drive_t *, struct request *);
-extern int ide_release_dma(ide_hwif_t *);
-extern void ide_setup_dma(ide_hwif_t *, unsigned long);
+int ide_allocate_dma_engine(ide_hwif_t *);
+void ide_release_dma_engine(ide_hwif_t *);
+void ide_setup_dma(ide_hwif_t *, unsigned long);
 
 void ide_dma_host_set(ide_drive_t *, int);
 extern int ide_dma_setup(ide_drive_t *);
+void ide_dma_exec_cmd(ide_drive_t *, u8);
 extern void ide_dma_start(ide_drive_t *);
 extern int __ide_dma_end(ide_drive_t *);
+int ide_dma_test_irq(ide_drive_t *);
 extern void ide_dma_lost_irq(ide_drive_t *);
 extern void ide_dma_timeout(ide_drive_t *);
 #endif /* CONFIG_BLK_DEV_IDEDMA_SFF */
@@ -1176,7 +1195,7 @@ static inline void ide_check_dma_crc(ide_drive_t *drive) { ; }
 #endif /* CONFIG_BLK_DEV_IDEDMA */
 
 #ifndef CONFIG_BLK_DEV_IDEDMA_SFF
-static inline void ide_release_dma(ide_hwif_t *drive) {;}
+static inline void ide_release_dma_engine(ide_hwif_t *hwif) { ; }
 #endif
 
 #ifdef CONFIG_BLK_DEV_IDEACPI
@@ -1196,17 +1215,18 @@ 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);
-void ide_unregister(unsigned int);
+void ide_unregister(ide_hwif_t *);
 
 void ide_register_region(struct gendisk *);
 void ide_unregister_region(struct gendisk *);
 
 void ide_undecoded_slave(ide_drive_t *);
 
+void ide_port_apply_params(ide_hwif_t *);
+
 int ide_device_add_all(u8 *idx, const struct ide_port_info *);
 int ide_device_add(u8 idx[4], const struct ide_port_info *);
+int ide_legacy_device_add(const struct ide_port_info *, unsigned long);
 void ide_port_unregister_devices(ide_hwif_t *);
 void ide_port_scan(ide_hwif_t *);
 
@@ -1315,51 +1335,27 @@ static inline void ide_set_irq(ide_drive_t *drive, int on)
 {
         ide_hwif_t *hwif = drive->hwif;
 
-        hwif->OUTB(drive->ctl | (on ? 0 : 2),
-                   hwif->io_ports[IDE_CONTROL_OFFSET]);
+        hwif->OUTB(drive->ctl | (on ? 0 : 2), hwif->io_ports.ctl_addr);
 }
 
 static inline u8 ide_read_status(ide_drive_t *drive)
 {
         ide_hwif_t *hwif = drive->hwif;
 
-        return hwif->INB(hwif->io_ports[IDE_STATUS_OFFSET]);
+        return hwif->INB(hwif->io_ports.status_addr);
 }
 
 static inline u8 ide_read_altstatus(ide_drive_t *drive)
 {
         ide_hwif_t *hwif = drive->hwif;
 
-        return hwif->INB(hwif->io_ports[IDE_CONTROL_OFFSET]);
+        return hwif->INB(hwif->io_ports.ctl_addr);
 }
 
 static inline u8 ide_read_error(ide_drive_t *drive)
 {
         ide_hwif_t *hwif = drive->hwif;
 
-        return hwif->INB(hwif->io_ports[IDE_ERROR_OFFSET]);
+        return hwif->INB(hwif->io_ports.error_addr);
 }
-
-/*
- * Too bad. The drive wants to send us data which we are not ready to accept.
- * Just throw it away.
- */
-static inline void ide_atapi_discard_data(ide_drive_t *drive, unsigned bcount)
-{
-        ide_hwif_t *hwif = drive->hwif;
-
-        /* FIXME: use ->atapi_input_bytes */
-        while (bcount--)
-                (void)hwif->INB(hwif->io_ports[IDE_DATA_OFFSET]);
-}
-
-static inline void ide_atapi_write_zeros(ide_drive_t *drive, unsigned bcount)
-{
-        ide_hwif_t *hwif = drive->hwif;
-
-        /* FIXME: use ->atapi_output_bytes */
-        while (bcount--)
-                hwif->OUTB(0, hwif->io_ports[IDE_DATA_OFFSET]);
-}
-
 #endif /* _IDE_H */