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-rw-r--r--include/linux/ide.h144
1 files changed, 83 insertions, 61 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 9918772bf27..4726126f5a5 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -139,6 +139,12 @@ struct ide_io_ports {
#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;
@@ -171,7 +177,7 @@ typedef struct hw_regs_s {
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;
void ide_init_port_data(struct hwif_s *, unsigned int);
@@ -189,6 +195,21 @@ static inline void ide_std_init_ports(hw_regs_t *hw,
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>
#if !defined(MAX_HWIFS) || defined(CONFIG_EMBEDDED)
@@ -349,7 +370,6 @@ typedef struct ide_drive_s {
u8 wcache; /* status of write cache */
u8 acoustic; /* acoustic management */
u8 media; /* disk, cdrom, tape, floppy, ... */
- u8 ctl; /* "normal" value for Control register */
u8 ready_stat; /* min status value for drive ready */
u8 mult_count; /* current multiple sector setting */
u8 mult_req; /* requested multiple sector setting */
@@ -391,8 +411,8 @@ 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 *);
+ /* 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 */
@@ -478,7 +498,7 @@ typedef struct hwif_s {
void (*ide_dma_clear_irq)(ide_drive_t *drive);
void (*OUTB)(u8 addr, unsigned long port);
- void (*OUTBSYNC)(ide_drive_t *drive, u8 addr, unsigned long port);
+ void (*OUTBSYNC)(struct hwif_s *hwif, u8 addr, unsigned long port);
u8 (*INB)(unsigned long port);
@@ -517,7 +537,6 @@ typedef struct hwif_s {
unsigned serialized : 1; /* serialized all channel operation */
unsigned sharing_irq: 1; /* 1 = sharing irq with another hwif */
unsigned sg_mapped : 1; /* sg_table and sg_nents are ready */
- unsigned mmio : 1; /* host uses MMIO */
struct device gendev;
struct device *portdev;
@@ -552,8 +571,6 @@ typedef struct hwgroup_s {
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;
@@ -589,12 +606,13 @@ enum {
PC_FLAG_SUPPRESS_ERROR = (1 << 1),
PC_FLAG_WAIT_FOR_DSC = (1 << 2),
PC_FLAG_DMA_OK = (1 << 3),
- PC_FLAG_DMA_RECOMMENDED = (1 << 4),
- PC_FLAG_DMA_IN_PROGRESS = (1 << 5),
- PC_FLAG_DMA_ERROR = (1 << 6),
- PC_FLAG_WRITING = (1 << 7),
+ 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 << 8),
+ PC_FLAG_TIMEDOUT = (1 << 7),
+ PC_FLAG_ZIP_DRIVE = (1 << 8),
+ PC_FLAG_DRQ_INTERRUPT = (1 << 9),
};
struct ide_atapi_pc {
@@ -627,8 +645,8 @@ struct ide_atapi_pc {
* to change/removal later.
*/
u8 pc_buf[256];
- void (*idefloppy_callback) (ide_drive_t *);
- ide_startstop_t (*idetape_callback) (ide_drive_t *);
+
+ void (*callback)(ide_drive_t *);
/* idetape only */
struct idetape_bh *bh;
@@ -772,7 +790,6 @@ struct ide_driver_s {
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 *);
@@ -787,22 +804,6 @@ struct ide_driver_s {
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 ide_noacpi;
-extern int ide_acpigtf;
-extern int ide_acpionboot;
-extern int noautodma;
-
extern int ide_vlb_clk;
extern int ide_pci_clk;
@@ -830,10 +831,6 @@ 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);
-ide_startstop_t __ide_abort(ide_drive_t *, struct request *);
-
-extern ide_startstop_t ide_abort(ide_drive_t *, const char *);
-
extern void ide_fix_driveid(struct hd_driveid *);
extern void ide_fixstring(u8 *, const int, const int);
@@ -842,25 +839,12 @@ int ide_wait_stat(ide_startstop_t *, ide_drive_t *, u8, u8, unsigned long);
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),
@@ -965,11 +949,23 @@ typedef struct ide_task_s {
void ide_tf_dump(const char *, struct ide_taskfile *);
extern void SELECT_DRIVE(ide_drive_t *);
+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);
@@ -981,8 +977,6 @@ int ide_taskfile_ioctl(ide_drive_t *, unsigned int, unsigned long);
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 *);
@@ -1264,16 +1258,43 @@ static inline int ide_dev_is_sata(struct hd_driveid *id)
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);
@@ -1334,7 +1355,8 @@ 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.ctl_addr);
+ hwif->OUTBSYNC(hwif, ATA_DEVCTL_OBS | (on ? 0 : 2),
+ hwif->io_ports.ctl_addr);
}
static inline u8 ide_read_status(ide_drive_t *drive)