ide: remove write-only ide_hwif_t.no_dsc flag

[powerpc.git] / include / linux / ide.h

diff --git a/include/linux/ide.h b/include/linux/ide.h
index 9962045..606cef7 100644 (file)
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -18,6 +18,9 @@
 #include <linux/device.h>
 #include <linux/pci.h>
 #include <linux/completion.h>
+#ifdef CONFIG_BLK_DEV_IDEACPI
+#include <acpi/acpi.h>
+#endif
 #include <asm/byteorder.h>
 #include <asm/system.h>
 #include <asm/io.h>
@@ -251,7 +254,8 @@ static inline void ide_std_init_ports(hw_regs_t *hw,
 
 #include <asm/ide.h>
 
-#ifndef MAX_HWIFS
+#if !defined(MAX_HWIFS) || defined(CONFIG_EMBEDDED)
+#undef MAX_HWIFS
 #define MAX_HWIFS      CONFIG_IDE_MAX_HWIFS
 #endif
 
@@ -540,6 +544,11 @@ typedef enum {
 struct ide_driver_s;
 struct ide_settings_s;
 
+#ifdef CONFIG_BLK_DEV_IDEACPI
+struct ide_acpi_drive_link;
+struct ide_acpi_hwif_link;
+#endif
+
 typedef struct ide_drive_s {
        char            name[4];        /* drive name, such as "hda" */
         char            driver_req[10];        /* requests specific driver */
@@ -636,6 +645,9 @@ typedef struct ide_drive_s {
 
        int             lun;            /* logical unit */
        int             crc_count;      /* crc counter to reduce drive speed */
+#ifdef CONFIG_BLK_DEV_IDEACPI
+       struct ide_acpi_drive_link *acpidata;
+#endif
        struct list_head list;
        struct device   gendev;
        struct completion gendev_rel_comp;      /* to deal with device release() */
@@ -726,6 +738,7 @@ typedef struct hwif_s {
        int (*ide_dma_on)(ide_drive_t *drive);
        int (*ide_dma_off_quietly)(ide_drive_t *drive);
        int (*ide_dma_test_irq)(ide_drive_t *drive);
+       void (*ide_dma_clear_irq)(ide_drive_t *drive);
        int (*ide_dma_host_on)(ide_drive_t *drive);
        int (*ide_dma_host_off)(ide_drive_t *drive);
        int (*ide_dma_lostirq)(ide_drive_t *drive);
@@ -773,12 +786,13 @@ typedef struct hwif_s {
        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   dma_base2;      /* extended base addr for dma ports */
 
-       unsigned        dma_extra;      /* extra addr for dma ports */
        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 */
@@ -789,7 +803,6 @@ typedef struct hwif_s {
        unsigned        udma_four  : 1; /* 1=ATA-66 capable, 0=default */
        unsigned        no_lba48   : 1; /* 1 = cannot do LBA48 */
        unsigned        no_lba48_dma : 1; /* 1 = cannot do LBA48 DMA */
-       unsigned        no_dsc     : 1; /* 0 default, 1 dsc_overlap disabled */
        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 */
@@ -802,7 +815,9 @@ typedef struct hwif_s {
 
        unsigned dma;
 
-       void (*led_act)(void *data, int rw);
+#ifdef CONFIG_BLK_DEV_IDEACPI
+       struct ide_acpi_hwif_link *acpidata;
+#endif
 } ____cacheline_internodealigned_in_smp ide_hwif_t;
 
 /*
@@ -823,6 +838,9 @@ 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;
                /* ptr to current hwif in linked-list */
@@ -1180,7 +1198,7 @@ extern void ide_stall_queue(ide_drive_t *drive, unsigned long timeout);
 
 extern int ide_spin_wait_hwgroup(ide_drive_t *);
 extern void ide_timer_expiry(unsigned long);
-extern irqreturn_t ide_intr(int irq, void *dev_id, struct pt_regs *regs);
+extern irqreturn_t ide_intr(int irq, void *dev_id);
 extern void do_ide_request(request_queue_t *);
 
 void ide_init_disk(struct gendisk *, ide_drive_t *);
@@ -1188,9 +1206,8 @@ void ide_init_disk(struct gendisk *, ide_drive_t *);
 extern int ideprobe_init(void);
 
 extern void ide_scan_pcibus(int scan_direction) __init;
-extern int __ide_pci_register_driver(struct pci_driver *driver, struct module *owner);
-#define ide_pci_register_driver(d) __ide_pci_register_driver(d, THIS_MODULE)
-extern void ide_pci_unregister_driver(struct pci_driver *driver);
+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)
 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);
 
@@ -1295,6 +1312,18 @@ static inline void ide_dma_verbose(ide_drive_t *drive) { ; }
 static inline void ide_release_dma(ide_hwif_t *drive) {;}
 #endif
 
+#ifdef CONFIG_BLK_DEV_IDEACPI
+extern int ide_acpi_exec_tfs(ide_drive_t *drive);
+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);
+#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) { ; }
+#endif
+
 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);
@@ -1337,7 +1366,6 @@ typedef struct ide_pio_data_s {
        u8 pio_mode;
        u8 use_iordy;
        u8 overridden;
-       u8 blacklisted;
        unsigned int cycle_time;
 } ide_pio_data_t;