#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>
#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)
} 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 *);
struct ide_drive_s;
-int ide_register_hw(hw_regs_t *, void (*)(struct ide_drive_s *), int,
+int ide_register_hw(hw_regs_t *, void (*)(struct ide_drive_s *),
struct hwif_s **);
void ide_setup_ports( hw_regs_t *hw,
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 */
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;
#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 */
u8 (*mdma_filter)(ide_drive_t *);
u8 (*udma_filter)(ide_drive_t *);
+ u8 (*cable_detect)(struct hwif_s *);
+
void (*ata_input_data)(ide_drive_t *, void *, u32);
void (*ata_output_data)(ide_drive_t *, void *, u32);
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 */
struct device gendev;
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 */
/* 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;
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 *);
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) { ; }
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_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 {
ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *);
+void task_end_request(ide_drive_t *, struct request *, u8);
+
int ide_raw_taskfile(ide_drive_t *, ide_task_t *, u8 *, u16);
int ide_no_data_taskfile(ide_drive_t *, ide_task_t *);
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
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 *);
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),
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 */
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
int ide_set_dma(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_set(ide_drive_t *, int);
extern int ide_dma_setup(ide_drive_t *);
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_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)
{
#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;
}
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 */