#include <asm/byteorder.h>
#include <asm/system.h>
#include <asm/io.h>
-#include <asm/semaphore.h>
#include <asm/mutex.h>
-#if defined(CRIS) || defined(FRV)
+#if defined(CONFIG_CRIS) || defined(CONFIG_FRV)
# define SUPPORT_VLB_SYNC 0
#else
# define SUPPORT_VLB_SYNC 1
#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
*/
*/
#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_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])
-#define IDE_SECTOR_REG (HWIF(drive)->io_ports[IDE_SECTOR_OFFSET])
-#define IDE_LCYL_REG (HWIF(drive)->io_ports[IDE_LCYL_OFFSET])
-#define IDE_HCYL_REG (HWIF(drive)->io_ports[IDE_HCYL_OFFSET])
-#define IDE_SELECT_REG (HWIF(drive)->io_ports[IDE_SELECT_OFFSET])
-#define IDE_STATUS_REG (HWIF(drive)->io_ports[IDE_STATUS_OFFSET])
-#define IDE_CONTROL_REG (HWIF(drive)->io_ports[IDE_CONTROL_OFFSET])
-#define IDE_IRQ_REG (HWIF(drive)->io_ports[IDE_IRQ_OFFSET])
-
-#define IDE_FEATURE_REG IDE_ERROR_REG
-#define IDE_COMMAND_REG IDE_STATUS_REG
-#define IDE_ALTSTATUS_REG IDE_CONTROL_REG
-#define IDE_IREASON_REG IDE_NSECTOR_REG
-#define IDE_BCOUNTL_REG IDE_LCYL_REG
-#define IDE_BCOUNTH_REG IDE_HCYL_REG
+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)
#define WAIT_MIN_SLEEP (2*HZ/100) /* 20msec - minimum sleep time */
/*
+ * Op codes for special requests to be handled by ide_special_rq().
+ * Values should be in the range of 0x20 to 0x3f.
+ */
+#define REQ_DRIVE_RESET 0x20
+
+/*
* Check for an interrupt and acknowledge the interrupt status
*/
struct hwif_s;
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_palm3710, ide_forced
+ ide_pmac, ide_acorn,
+ ide_au1xxx, ide_palm3710
};
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;
+ struct device *dev, *parent;
} 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 *),
- struct hwif_s **);
-
static inline void ide_std_init_ports(hw_regs_t *hw,
unsigned long io_addr,
unsigned long ctl_addr)
{
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;
+}
+
+/* for IDE PCI controllers in legacy mode, temporary */
+static inline int __ide_default_irq(unsigned long base)
+{
+ switch (base) {
+#ifdef CONFIG_IA64
+ case 0x1f0: return isa_irq_to_vector(14);
+ case 0x170: return isa_irq_to_vector(15);
+#else
+ case 0x1f0: return 14;
+ case 0x170: return 15;
+#endif
+ }
+ return 0;
}
#include <asm/ide.h>
#define MAX_HWIFS CONFIG_IDE_MAX_HWIFS
#endif
-/* needed on alpha, x86/x86_64, ia64, mips, ppc32 and sh */
-#ifndef IDE_ARCH_OBSOLETE_DEFAULTS
-# define ide_default_io_base(index) (0)
-# define ide_default_irq(base) (0)
-# define ide_init_default_irq(base) (0)
-#endif
-
-#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,
- int *irq)
-{
- if (!ctl_addr)
- ide_std_init_ports(hw, io_addr, ide_default_io_ctl(io_addr));
- else
- ide_std_init_ports(hw, io_addr, ctl_addr);
-
- if (irq)
- *irq = 0;
-
- hw->io_ports[IDE_IRQ_OFFSET] = 0;
-
-#ifdef CONFIG_PPC32
- if (ppc_ide_md.ide_init_hwif)
- ppc_ide_md.ide_init_hwif(hw, io_addr, ctl_addr, irq);
-#endif
-}
-#else
-static inline void ide_init_hwif_ports(hw_regs_t *hw,
- unsigned long io_addr,
- unsigned long ctl_addr,
- int *irq)
-{
- if (io_addr || ctl_addr)
- printk(KERN_WARNING "%s: must not be called\n", __FUNCTION__);
-}
-#endif /* CONFIG_IDE_ARCH_OBSOLETE_INIT */
-
/* Currently only m68k, apus and m8xx need it */
#ifndef IDE_ARCH_ACK_INTR
# define ide_ack_intr(hwif) (1)
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 */
u8 wcache; /* status of write cache */
u8 acoustic; /* acoustic management */
u8 media; /* disk, cdrom, tape, floppy, ... */
- u8 ctl; /* "normal" value for IDE_CONTROL_REG */
u8 ready_stat; /* min status value for drive ready */
u8 mult_count; /* current multiple sector setting */
u8 mult_req; /* requested multiple sector setting */
struct ide_port_info;
+struct ide_port_ops {
+ /* host specific initialization of a device */
+ void (*init_dev)(ide_drive_t *);
+ /* 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 */
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 */
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 *);
- /* driver soft-power interface */
- int (*busproc)(ide_drive_t *, int);
-#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);
+ void (*OUTBSYNC)(struct hwif_s *hwif, u8 addr, unsigned long port);
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;
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 */
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 hold : 1; /* this interface is always present */
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 gendev;
+ struct device *portdev;
+
struct completion gendev_rel_comp; /* To deal with device release() */
void *hwif_data; /* extra hwif data */
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 */
unsigned int sleeping : 1;
/* BOOL: polling active & poll_timeout field valid */
unsigned int polling : 1;
- /* BOOL: in a polling reset situation. Must not trigger another reset yet */
- unsigned int resetting : 1;
/* current drive */
ide_drive_t *drive;
int set_pio_mode(ide_drive_t *, int);
int set_using_dma(ide_drive_t *, int);
+/* ATAPI packet command flags */
+enum {
+ /* set when an error is considered normal - no retry (ide-tape) */
+ PC_FLAG_ABORT = (1 << 0),
+ PC_FLAG_SUPPRESS_ERROR = (1 << 1),
+ PC_FLAG_WAIT_FOR_DSC = (1 << 2),
+ PC_FLAG_DMA_OK = (1 << 3),
+ PC_FLAG_DMA_IN_PROGRESS = (1 << 4),
+ PC_FLAG_DMA_ERROR = (1 << 5),
+ PC_FLAG_WRITING = (1 << 6),
+ /* command timed out */
+ PC_FLAG_TIMEDOUT = (1 << 7),
+ PC_FLAG_ZIP_DRIVE = (1 << 8),
+ PC_FLAG_DRQ_INTERRUPT = (1 << 9),
+};
+
+struct ide_atapi_pc {
+ /* actual packet bytes */
+ u8 c[12];
+ /* incremented on each retry */
+ int retries;
+ int error;
+
+ /* bytes to transfer */
+ int req_xfer;
+ /* bytes actually transferred */
+ int xferred;
+
+ /* data buffer */
+ u8 *buf;
+ /* current buffer position */
+ u8 *cur_pos;
+ int buf_size;
+ /* missing/available data on the current buffer */
+ int b_count;
+
+ /* the corresponding request */
+ struct request *rq;
+
+ unsigned long flags;
+
+ /*
+ * those are more or less driver-specific and some of them are subject
+ * to change/removal later.
+ */
+ u8 pc_buf[256];
+
+ void (*callback)(ide_drive_t *);
+
+ /* idetape only */
+ struct idetape_bh *bh;
+ char *b_data;
+
+ /* idescsi only for now */
+ struct scatterlist *sg;
+ unsigned int sg_cnt;
+
+ struct scsi_cmnd *scsi_cmd;
+ void (*done) (struct scsi_cmnd *);
+
+ unsigned long timeout;
+};
+
#ifdef CONFIG_IDE_PROC_FS
/*
* configurable drive settings
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_device(ide_drive_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 *);
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:
*/
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_device(ide_drive_t *drive) { ; }
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) { ; }
ide_startstop_t (*do_request)(ide_drive_t *, struct request *, sector_t);
int (*end_request)(ide_drive_t *, int, int);
ide_startstop_t (*error)(ide_drive_t *, struct request *rq, u8, u8);
- ide_startstop_t (*abort)(ide_drive_t *, struct request *rq);
struct device_driver gen_driver;
int (*probe)(ide_drive_t *);
void (*remove)(ide_drive_t *);
int generic_ide_ioctl(ide_drive_t *, struct file *, struct block_device *, unsigned, unsigned long);
-/*
- * ide_hwifs[] is the master data structure used to keep track
- * of just about everything in ide.c. Whenever possible, routines
- * should be using pointers to a drive (ide_drive_t *) or
- * pointers to a hwif (ide_hwif_t *), rather than indexing this
- * structure directly (the allocation/layout may change!).
- *
- */
-#ifndef _IDE_C
-extern ide_hwif_t ide_hwifs[]; /* master data repository */
-#endif
-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,
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);
+void ide_execute_pkt_cmd(ide_drive_t *);
-ide_startstop_t ide_error (ide_drive_t *drive, const char *msg, byte stat);
+void ide_pad_transfer(ide_drive_t *, int, int);
-ide_startstop_t __ide_abort(ide_drive_t *, struct request *);
+ide_startstop_t __ide_error(ide_drive_t *, struct request *, u8, u8);
-extern ide_startstop_t ide_abort(ide_drive_t *, const char *);
+ide_startstop_t ide_error (ide_drive_t *drive, const char *msg, byte stat);
extern void ide_fix_driveid(struct hd_driveid *);
extern ide_startstop_t ide_do_reset (ide_drive_t *);
-extern void ide_init_drive_cmd (struct request *rq);
-
-/*
- * "action" parameter type for ide_do_drive_cmd() below.
- */
-typedef enum {
- ide_wait, /* insert rq at end of list, and wait for it */
- ide_preempt, /* insert rq in front of current request */
- ide_head_wait, /* insert rq in front of current request and wait for it */
- ide_end /* insert rq at end of list, but don't wait for it */
-} ide_action_t;
-
-extern int ide_do_drive_cmd(ide_drive_t *, struct request *, ide_action_t);
+extern void ide_do_drive_cmd(ide_drive_t *, struct request *);
extern void ide_end_drive_cmd(ide_drive_t *, 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_IN_DEVICE,
/* force 16-bit I/O operations */
IDE_TFLAG_IO_16BIT = (1 << 30),
+ /* ide_task_t was allocated using kmalloc() */
+ IDE_TFLAG_DYN = (1 << 31),
};
struct ide_taskfile {
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);
+void SELECT_MASK(ide_drive_t *, int);
extern int drive_is_ready(ide_drive_t *);
void ide_pktcmd_tf_load(ide_drive_t *, u32, u16, u8);
+ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc,
+ ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry,
+ void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *),
+ void (*retry_pc)(ide_drive_t *), void (*dsc_handle)(ide_drive_t *),
+ void (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned int,
+ int));
+ide_startstop_t ide_transfer_pc(ide_drive_t *, struct ide_atapi_pc *,
+ ide_handler_t *, unsigned int, ide_expiry_t *);
+ide_startstop_t ide_issue_pc(ide_drive_t *, struct ide_atapi_pc *,
+ ide_handler_t *, unsigned int, ide_expiry_t *);
+
ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *);
void task_end_request(ide_drive_t *, struct request *, u8);
int ide_cmd_ioctl(ide_drive_t *, unsigned int, unsigned long);
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_config_drive_speed(ide_drive_t *, u8);
extern u8 eighty_ninty_three (ide_drive_t *);
void ide_init_disk(struct gendisk *, ide_drive_t *);
#ifdef CONFIG_IDEPCI_PCIBUS_ORDER
-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 *);
-/* FIXME: palm_bk3710 uses BLK_DEV_IDEDMA_PCI without BLK_DEV_IDEPCI! */
-#if defined(CONFIG_BLK_DEV_IDEPCI) && defined(CONFIG_BLK_DEV_IDEDMA_PCI)
-void ide_hwif_setup_dma(ide_hwif_t *, const struct ide_port_info *);
+#ifdef CONFIG_BLK_DEV_IDEDMA_PCI
+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 *);
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_NO_SET_MODE = (1 << 9),
/* trust BIOS for programming chipset/device for DMA */
IDE_HFLAG_TRUST_BIOS_FOR_DMA = (1 << 10),
- /* host uses VDMA (tied with IDE_HFLAG_CS5520 for now) */
- IDE_HFLAG_VDMA = (1 << 11),
+ /* host is CS5510/CS5520 */
+ IDE_HFLAG_CS5520 = (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 is CS5510/CS5520 */
- IDE_HFLAG_CS5520 = IDE_HFLAG_VDMA,
+ /* host uses MMIO */
+ IDE_HFLAG_MMIO = (1 << 16),
/* no LBA48 */
IDE_HFLAG_NO_LBA48 = (1 << 17),
/* no LBA48 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),
+ /* 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 */
IDE_HFLAG_NO_IO_32BIT = (1 << 30),
/* never unmask IRQs */
IDE_HFLAG_NO_UNMASK_IRQS = (1 << 31),
+ /* host uses VDMA (disabled for now) */
+ IDE_HFLAG_VDMA = 0,
};
#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 {
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;
int ide_build_sglist(ide_drive_t *, struct request *);
void ide_destroy_dmatable(ide_drive_t *);
-#ifdef CONFIG_BLK_DEV_IDEDMA_PCI
+#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_PCI */
+#endif /* CONFIG_BLK_DEV_IDEDMA_SFF */
#else
static inline int ide_id_dma_bug(ide_drive_t *drive) { return 0; }
static inline void ide_check_dma_crc(ide_drive_t *drive) { ; }
#endif /* CONFIG_BLK_DEV_IDEDMA */
-#ifndef CONFIG_BLK_DEV_IDEDMA_PCI
-static inline void ide_release_dma(ide_hwif_t *drive) {;}
+#ifndef CONFIG_BLK_DEV_IDEDMA_SFF
+static inline void ide_release_dma_engine(ide_hwif_t *hwif) { ; }
#endif
#ifdef CONFIG_BLK_DEV_IDEACPI
#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, int, 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 *);
static inline void *ide_get_hwifdata (ide_hwif_t * hwif)
{
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 {
- int setup_time; /* Address setup (ns) minimum */
- int active_time; /* Active pulse (ns) minimum */
- int cycle_time; /* Cycle time (ns) minimum = */
- /* active + recovery (+ setup for some chips) */
-} ide_pio_timings_t;
+struct ide_timing {
+ u8 mode;
+ u8 setup; /* t1 */
+ u16 act8b; /* t2 for 8-bit io */
+ u16 rec8b; /* t2i for 8-bit io */
+ u16 cyc8b; /* t0 for 8-bit io */
+ u16 active; /* t2 or tD */
+ u16 recover; /* t2i or tK */
+ u16 cycle; /* t0 */
+ u16 udma; /* t2CYCTYP/2 */
+};
+
+enum {
+ IDE_TIMING_SETUP = (1 << 0),
+ IDE_TIMING_ACT8B = (1 << 1),
+ IDE_TIMING_REC8B = (1 << 2),
+ IDE_TIMING_CYC8B = (1 << 3),
+ IDE_TIMING_8BIT = IDE_TIMING_ACT8B | IDE_TIMING_REC8B |
+ IDE_TIMING_CYC8B,
+ IDE_TIMING_ACTIVE = (1 << 4),
+ IDE_TIMING_RECOVER = (1 << 5),
+ IDE_TIMING_CYCLE = (1 << 6),
+ IDE_TIMING_UDMA = (1 << 7),
+ IDE_TIMING_ALL = IDE_TIMING_SETUP | IDE_TIMING_8BIT |
+ IDE_TIMING_ACTIVE | IDE_TIMING_RECOVER |
+ IDE_TIMING_CYCLE | IDE_TIMING_UDMA,
+};
+
+struct ide_timing *ide_timing_find_mode(u8);
+u16 ide_pio_cycle_time(ide_drive_t *, u8);
+void ide_timing_merge(struct ide_timing *, struct ide_timing *,
+ struct ide_timing *, unsigned int);
+int ide_timing_compute(ide_drive_t *, u8, struct ide_timing *, int, int);
+
+int ide_scan_pio_blacklist(char *);
-unsigned int ide_pio_cycle_time(ide_drive_t *, u8);
u8 ide_get_best_pio_mode(ide_drive_t *, u8, u8);
-extern const ide_pio_timings_t ide_pio_timings[6];
int ide_set_pio_mode(ide_drive_t *, u8);
int ide_set_dma_mode(ide_drive_t *, u8);
#define local_irq_set(flags) do { local_save_flags((flags)); local_irq_enable_in_hardirq(); } while (0)
extern struct bus_type ide_bus_type;
+extern struct class *ide_port_class;
/* check if CACHE FLUSH (EXT) command is supported (bits defined in ATA-6) */
#define ide_id_has_flush_cache(id) ((id)->cfs_enable_2 & 0x3000)
static inline int hwif_to_node(ide_hwif_t *hwif)
{
struct pci_dev *dev = to_pci_dev(hwif->dev);
- return dev ? pcibus_to_node(dev->bus) : -1;
+ return hwif->dev ? pcibus_to_node(dev->bus) : -1;
}
static inline ide_drive_t *ide_get_paired_drive(ide_drive_t *drive)
static inline void ide_set_irq(ide_drive_t *drive, int on)
{
- drive->hwif->OUTB(drive->ctl | (on ? 0 : 2), IDE_CONTROL_REG);
+ ide_hwif_t *hwif = drive->hwif;
+
+ hwif->OUTBSYNC(hwif, ATA_DEVCTL_OBS | (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.status_addr);
}
+static inline u8 ide_read_altstatus(ide_drive_t *drive)
+{
+ ide_hwif_t *hwif = drive->hwif;
+
+ 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.error_addr);
+}
#endif /* _IDE_H */
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