1 files changed, 27 insertions, 0 deletions

diff --git a/include/linux/ide.h b/include/linux/ide.h
index e26a039..ba1c929 100644
--- 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>
@@ -541,6 +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 */
@@ -637,6 +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() */
@@ -804,6 +815,10 @@ typedef struct hwif_s {
 	void		*hwif_data;	/* extra hwif data */
 
 	unsigned dma;
+
+#ifdef CONFIG_BLK_DEV_IDEACPI
+	struct ide_acpi_hwif_link *acpidata;
+#endif
 } ____cacheline_internodealigned_in_smp ide_hwif_t;
 
 /*
@@ -1298,6 +1313,18 @@ 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);