[ARM] 4650/1: AT91: New-style init of I2C, support for i2c-gpio

[linux-2.6-omap-h63xx.git] / include / linux / libata.h

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 6fd24e03622ecd915a6a4160cfb400e1445c1d15..56a5673aebad3ecd0384d861f88ae61d65c166f3 100644 (file)
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -133,11 +133,14 @@ enum {
        ATA_DFLAG_ACPI_PENDING  = (1 << 5), /* ACPI resume action pending */
        ATA_DFLAG_ACPI_FAILED   = (1 << 6), /* ACPI on devcfg has failed */
        ATA_DFLAG_AN            = (1 << 7), /* AN configured */
+       ATA_DFLAG_HIPM          = (1 << 8), /* device supports HIPM */
+       ATA_DFLAG_DIPM          = (1 << 9), /* device supports DIPM */
        ATA_DFLAG_CFG_MASK      = (1 << 12) - 1,
 
        ATA_DFLAG_PIO           = (1 << 12), /* device limited to PIO mode */
        ATA_DFLAG_NCQ_OFF       = (1 << 13), /* device limited to non-NCQ mode */
        ATA_DFLAG_SPUNDOWN      = (1 << 14), /* XXX: for spindown_compat */
+       ATA_DFLAG_SLEEPING      = (1 << 15), /* device is sleeping */
        ATA_DFLAG_INIT_MASK     = (1 << 16) - 1,
 
        ATA_DFLAG_DETACH        = (1 << 16),
@@ -185,6 +188,7 @@ enum {
        ATA_FLAG_ACPI_SATA      = (1 << 17), /* need native SATA ACPI layout */
        ATA_FLAG_AN             = (1 << 18), /* controller supports AN */
        ATA_FLAG_PMP            = (1 << 19), /* controller supports PMP */
+       ATA_FLAG_IPM            = (1 << 20), /* driver can handle IPM */
 
        /* The following flag belongs to ap->pflags but is kept in
         * ap->flags because it's referenced in many LLDs and will be
@@ -217,6 +221,7 @@ enum {
        ATA_QCFLAG_IO           = (1 << 3), /* standard IO command */
        ATA_QCFLAG_RESULT_TF    = (1 << 4), /* result TF requested */
        ATA_QCFLAG_CLEAR_EXCL   = (1 << 5), /* clear excl_link on completion */
+       ATA_QCFLAG_QUIET        = (1 << 6), /* don't report device error */
 
        ATA_QCFLAG_FAILED       = (1 << 16), /* cmd failed and is owned by EH */
        ATA_QCFLAG_SENSE_VALID  = (1 << 17), /* sense data valid */
@@ -234,6 +239,13 @@ enum {
        ATA_TMOUT_INTERNAL      = 30 * HZ,
        ATA_TMOUT_INTERNAL_QUICK = 5 * HZ,
 
+       /* FIXME: GoVault needs 2s but we can't afford that without
+        * parallel probing.  800ms is enough for iVDR disk
+        * HHD424020F7SV00.  Increase to 2secs when parallel probing
+        * is in place.
+        */
+       ATA_TMOUT_FF_WAIT       = 4 * HZ / 5,
+
        /* ATA bus states */
        BUS_UNKNOWN             = 0,
        BUS_DMA                 = 1,
@@ -294,6 +306,7 @@ enum {
        ATA_EHI_RESUME_LINK     = (1 << 1),  /* resume link (reset modifier) */
        ATA_EHI_NO_AUTOPSY      = (1 << 2),  /* no autopsy */
        ATA_EHI_QUIET           = (1 << 3),  /* be quiet */
+       ATA_EHI_LPM             = (1 << 4),  /* link power management action */
 
        ATA_EHI_DID_SOFTRESET   = (1 << 16), /* already soft-reset this port */
        ATA_EHI_DID_HARDRESET   = (1 << 17), /* already soft-reset this port */
@@ -325,6 +338,8 @@ enum {
        ATA_HORKAGE_BROKEN_HPA  = (1 << 4),     /* Broken HPA */
        ATA_HORKAGE_SKIP_PM     = (1 << 5),     /* Skip PM operations */
        ATA_HORKAGE_HPA_SIZE    = (1 << 6),     /* native size off by one */
+       ATA_HORKAGE_IPM         = (1 << 7),     /* Link PM problems */
+       ATA_HORKAGE_IVB         = (1 << 8),     /* cbl det validity bit bugs */
 
         /* DMA mask for user DMA control: User visible values; DO NOT
            renumber */
@@ -370,6 +385,18 @@ typedef int (*ata_reset_fn_t)(struct ata_link *link, unsigned int *classes,
                              unsigned long deadline);
 typedef void (*ata_postreset_fn_t)(struct ata_link *link, unsigned int *classes);
 
+/*
+ * host pm policy: If you alter this, you also need to alter libata-scsi.c
+ * (for the ascii descriptions)
+ */
+enum link_pm {
+       NOT_AVAILABLE,
+       MIN_POWER,
+       MAX_PERFORMANCE,
+       MEDIUM_POWER,
+};
+extern struct class_device_attribute class_device_attr_link_power_management_policy;
+
 struct ata_ioports {
        void __iomem            *cmd_addr;
        void __iomem            *data_addr;
@@ -616,6 +643,7 @@ struct ata_port {
 
        pm_message_t            pm_mesg;
        int                     *pm_result;
+       enum link_pm            pm_policy;
 
        struct timer_list       fastdrain_timer;
        unsigned long           fastdrain_cnt;
@@ -683,7 +711,8 @@ struct ata_port_operations {
 
        int (*port_suspend) (struct ata_port *ap, pm_message_t mesg);
        int (*port_resume) (struct ata_port *ap);
-
+       int (*enable_pm) (struct ata_port *ap, enum link_pm policy);
+       void (*disable_pm) (struct ata_port *ap);
        int (*port_start) (struct ata_port *ap);
        void (*port_stop) (struct ata_port *ap);
 
@@ -799,6 +828,7 @@ extern void ata_host_resume(struct ata_host *host);
 extern int ata_ratelimit(void);
 extern int ata_busy_sleep(struct ata_port *ap,
                          unsigned long timeout_pat, unsigned long timeout);
+extern void ata_wait_after_reset(struct ata_port *ap, unsigned long deadline);
 extern int ata_wait_ready(struct ata_port *ap, unsigned long deadline);
 extern void ata_port_queue_task(struct ata_port *ap, work_func_t fn,
                                void *data, unsigned long delay);