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-rw-r--r--include/linux/ide.h109
1 files changed, 33 insertions, 76 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 19db0a4ae44..2e4b8dd03cf 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -192,22 +192,20 @@ typedef unsigned char byte; /* used everywhere */
struct hwif_s;
typedef int (ide_ack_intr_t)(struct hwif_s *);
-#ifndef NO_DMA
-#define NO_DMA 255
-#endif
-
/*
* hwif_chipset_t is used to keep track of the specific hardware
* chipset used by each IDE interface, if known.
*/
-typedef enum { ide_unknown, ide_generic, ide_pci,
+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_etrax100, ide_acorn,
ide_au1xxx, ide_forced
-} hwif_chipset_t;
+};
+
+typedef u8 hwif_chipset_t;
/*
* Structure to hold all information about the location of this port
@@ -215,22 +213,16 @@ typedef enum { ide_unknown, ide_generic, ide_pci,
typedef struct hw_regs_s {
unsigned long io_ports[IDE_NR_PORTS]; /* task file registers */
int irq; /* our irq number */
- int dma; /* our dma entry */
ide_ack_intr_t *ack_intr; /* acknowledge interrupt */
hwif_chipset_t chipset;
struct device *dev;
} hw_regs_t;
-/*
- * Register new hardware with ide
- */
-int ide_register_hw(hw_regs_t *, int, struct hwif_s **);
-int ide_register_hw_with_fixup(hw_regs_t *, int, struct hwif_s **,
- void (*)(struct hwif_s *));
+struct hwif_s * ide_find_port(unsigned long);
+
+int ide_register_hw(hw_regs_t *, void (*)(struct hwif_s *), int,
+ struct hwif_s **);
-/*
- * Set up hw_regs_t structure before calling ide_register_hw (optional)
- */
void ide_setup_ports( hw_regs_t *hw,
unsigned long base,
int *offsets,
@@ -268,11 +260,7 @@ static inline void ide_std_init_ports(hw_regs_t *hw,
# define ide_init_default_irq(base) (0)
#endif
-/*
- * ide_init_hwif_ports() is OBSOLETE and will be removed in 2.7 series.
- * New ports shouldn't define IDE_ARCH_OBSOLETE_INIT in <asm/ide.h>.
- */
-#ifdef IDE_ARCH_OBSOLETE_INIT
+#ifdef CONFIG_IDE_ARCH_OBSOLETE_INIT
static inline void ide_init_hwif_ports(hw_regs_t *hw,
unsigned long io_addr,
unsigned long ctl_addr,
@@ -302,7 +290,7 @@ static inline void ide_init_hwif_ports(hw_regs_t *hw,
if (io_addr || ctl_addr)
printk(KERN_WARNING "%s: must not be called\n", __FUNCTION__);
}
-#endif /* IDE_ARCH_OBSOLETE_INIT */
+#endif /* CONFIG_IDE_ARCH_OBSOLETE_INIT */
/* Currently only m68k, apus and m8xx need it */
#ifndef IDE_ARCH_ACK_INTR
@@ -363,7 +351,6 @@ typedef union {
* ATA DATA Register Special.
* ATA NSECTOR Count Register().
* ATAPI Byte Count Register.
- * Channel index ordering pairs.
*/
typedef union {
unsigned all :16;
@@ -378,7 +365,7 @@ typedef union {
#error "Please fix <asm/byteorder.h>"
#endif
} b;
-} ata_nsector_t, ata_data_t, atapi_bcount_t, ata_index_t;
+} ata_nsector_t, ata_data_t, atapi_bcount_t;
/*
* ATA-IDE Select Register, aka Device-Head
@@ -657,7 +644,7 @@ typedef struct ide_drive_s {
((1<<ide_pci)|(1<<ide_cmd646)|(1<<ide_ali14xx))
#define IDE_CHIPSET_IS_PCI(c) ((IDE_CHIPSET_PCI_MASK >> (c)) & 1)
-struct ide_pci_device_s;
+struct ide_port_info;
typedef struct hwif_s {
struct hwif_s *next; /* for linked-list in ide_hwgroup_t */
@@ -672,7 +659,6 @@ typedef struct hwif_s {
unsigned long sata_scr[SATA_NR_PORTS];
unsigned long sata_misc[SATA_NR_PORTS];
- hw_regs_t hw; /* Hardware info */
ide_drive_t drives[MAX_DRIVES]; /* drive info */
u8 major; /* our major number */
@@ -694,7 +680,9 @@ typedef struct hwif_s {
hwif_chipset_t chipset; /* sub-module for tuning.. */
struct pci_dev *pci_dev; /* for pci chipsets */
- struct ide_pci_device_s *cds; /* chipset device struct */
+ const struct ide_port_info *cds; /* chipset device struct */
+
+ ide_ack_intr_t *ack_intr;
void (*rw_disk)(ide_drive_t *, struct request *);
@@ -725,6 +713,8 @@ typedef struct hwif_s {
u8 (*mdma_filter)(ide_drive_t *);
u8 (*udma_filter)(ide_drive_t *);
+ void (*fixup)(struct hwif_s *);
+
void (*ata_input_data)(ide_drive_t *, void *, u32);
void (*ata_output_data)(ide_drive_t *, void *, u32);
@@ -841,8 +831,6 @@ typedef struct hwgroup_s {
/* for pci chipsets */
struct pci_dev *pci_dev;
- /* chipset device struct */
- struct ide_pci_device_s *cds;
/* current request */
struct request *rq;
@@ -1030,36 +1018,16 @@ 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);
-/*
- * This is used on exit from the driver to designate the next irq handler
- * and also to start the safety timer.
- */
extern void ide_set_handler (ide_drive_t *drive, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry);
-/*
- * This is used on exit from the driver to designate the next irq handler
- * and start the safety time safely and atomically from the IRQ handler
- * with respect to the command issue (which it also does)
- */
extern void ide_execute_command(ide_drive_t *, task_ioreg_t cmd, ide_handler_t *, unsigned int, ide_expiry_t *);
ide_startstop_t __ide_error(ide_drive_t *, struct request *, u8, u8);
-/*
- * ide_error() takes action based on the error returned by the controller.
- * The caller should return immediately after invoking this.
- *
- * (drive, msg, status)
- */
ide_startstop_t ide_error (ide_drive_t *drive, const char *msg, byte stat);
ide_startstop_t __ide_abort(ide_drive_t *, struct request *);
-/*
- * Abort a running command on the controller triggering the abort
- * from a host side, non error situation
- * (drive, msg)
- */
extern ide_startstop_t ide_abort(ide_drive_t *, const char *);
extern void ide_fix_driveid(struct hd_driveid *);
@@ -1075,15 +1043,8 @@ extern void ide_fixstring(u8 *, const int, const int);
int ide_wait_stat(ide_startstop_t *, ide_drive_t *, u8, u8, unsigned long);
-/*
- * Start a reset operation for an IDE interface.
- * The caller should return immediately after invoking this.
- */
extern ide_startstop_t ide_do_reset (ide_drive_t *);
-/*
- * This function is intended to be used prior to invoking ide_do_drive_cmd().
- */
extern void ide_init_drive_cmd (struct request *rq);
/*
@@ -1098,13 +1059,6 @@ typedef enum {
extern int ide_do_drive_cmd(ide_drive_t *, struct request *, ide_action_t);
-/*
- * Clean up after success/failure of an explicit drive cmd.
- * stat/err are used only when (HWGROUP(drive)->rq->cmd == IDE_DRIVE_CMD).
- * stat/err are used only when (HWGROUP(drive)->rq->cmd == IDE_DRIVE_TASK_MASK).
- *
- * (ide_drive_t *drive, u8 stat, u8 err)
- */
extern void ide_end_drive_cmd(ide_drive_t *, u8, u8);
/*
@@ -1177,10 +1131,6 @@ extern int taskfile_lib_get_identify(ide_drive_t *drive, u8 *);
extern int ide_wait_not_busy(ide_hwif_t *hwif, unsigned long timeout);
-/*
- * ide_stall_queue() can be used by a drive to give excess bandwidth back
- * to the hwgroup by sleeping for timeout jiffies.
- */
extern void ide_stall_queue(ide_drive_t *drive, unsigned long timeout);
extern int ide_spin_wait_hwgroup(ide_drive_t *);
@@ -1200,8 +1150,8 @@ extern int __ide_pci_register_driver(struct pci_driver *driver, struct module *o
#define ide_pci_register_driver(d) pci_register_driver(d)
#endif
-void ide_pci_setup_ports(struct pci_dev *, struct ide_pci_device_s *, int, ata_index_t *);
-extern void ide_setup_pci_noise (struct pci_dev *dev, struct ide_pci_device_s *d);
+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 *);
extern void default_hwif_iops(ide_hwif_t *);
extern void default_hwif_mmiops(ide_hwif_t *);
@@ -1261,6 +1211,14 @@ enum {
IDE_HFLAG_SERIALIZE = (1 << 20),
/* use legacy IRQs */
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),
+ /* use 32-bit I/O ops */
+ IDE_HFLAG_IO_32BIT = (1 << 24),
+ /* unmask IRQs */
+ IDE_HFLAG_UNMASK_IRQS = (1 << 25),
};
#ifdef CONFIG_BLK_DEV_OFFBOARD
@@ -1269,7 +1227,7 @@ enum {
# define IDE_HFLAG_OFF_BOARD 0
#endif
-typedef struct ide_pci_device_s {
+struct ide_port_info {
char *name;
unsigned int (*init_chipset)(struct pci_dev *, const char *);
void (*init_iops)(ide_hwif_t *);
@@ -1277,17 +1235,17 @@ typedef struct ide_pci_device_s {
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;
- struct ide_pci_device_s *next;
u32 host_flags;
u8 pio_mask;
u8 swdma_mask;
u8 mwdma_mask;
u8 udma_mask;
-} ide_pci_device_t;
+};
-extern int ide_setup_pci_device(struct pci_dev *, ide_pci_device_t *);
-extern int ide_setup_pci_devices(struct pci_dev *, struct pci_dev *, ide_pci_device_t *);
+int ide_setup_pci_device(struct pci_dev *, const struct ide_port_info *);
+int ide_setup_pci_devices(struct pci_dev *, struct pci_dev *, const struct ide_port_info *);
void ide_map_sg(ide_drive_t *, struct request *);
void ide_init_sg_cmd(ide_drive_t *, struct request *);
@@ -1370,8 +1328,7 @@ void ide_unregister_region(struct gendisk *);
void ide_undecoded_slave(ide_hwif_t *);
-int probe_hwif_init_with_fixup(ide_hwif_t *, void (*)(ide_hwif_t *));
-extern int probe_hwif_init(ide_hwif_t *);
+int ide_device_add(u8 idx[4]);
static inline void *ide_get_hwifdata (ide_hwif_t * hwif)
{
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-30 18:14:41 +0000