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 *);
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 *);
+};
+
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 */
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;
void (*ata_input_data)(ide_drive_t *, void *, u32);
void (*ata_output_data)(ide_drive_t *, void *, u32);
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;
#endif
extern int noautodma;
+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);
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 */
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 */
/* 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 */
};
#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 {
void (*init_iops)(ide_hwif_t *);
void (*init_hwif)(ide_hwif_t *);
void (*init_dma)(ide_hwif_t *, unsigned long);
+
+ const struct ide_port_ops *port_ops;
+
ide_pci_enablebit_t enablebits[2];
hwif_chipset_t chipset;
u8 extra;
projects / cascardo / linux.git / blobdiff