ide: delete filenames/versions from comments
[pandora-kernel.git] / drivers / ide / ide-acpi.c
index 89df48f..68bc618 100644 (file)
@@ -1,5 +1,4 @@
 /*
- * ide-acpi.c
  * Provides ACPI support for IDE drives.
  *
  * Copyright (C) 2005 Intel Corp.
@@ -16,6 +15,7 @@
 #include <acpi/acpi.h>
 #include <linux/ide.h>
 #include <linux/pci.h>
+#include <linux/dmi.h>
 
 #include <acpi/acpi_bus.h>
 #include <acpi/acnames.h>
@@ -65,6 +65,39 @@ extern int ide_noacpi;
 extern int ide_noacpitfs;
 extern int ide_noacpionboot;
 
+static bool ide_noacpi_psx;
+static int no_acpi_psx(const struct dmi_system_id *id)
+{
+       ide_noacpi_psx = true;
+       printk(KERN_NOTICE"%s detected - disable ACPI _PSx.\n", id->ident);
+       return 0;
+}
+
+static const struct dmi_system_id ide_acpi_dmi_table[] = {
+       /* Bug 9673. */
+       /* We should check if this is because ACPI NVS isn't save/restored. */
+       {
+               .callback = no_acpi_psx,
+               .ident    = "HP nx9005",
+               .matches  = {
+                       DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies Ltd."),
+                       DMI_MATCH(DMI_BIOS_VERSION, "KAM1.60")
+               },
+       },
+
+       { }     /* terminate list */
+};
+
+static int ide_acpi_blacklist(void)
+{
+       static int done;
+       if (done)
+               return 0;
+       done = 1;
+       dmi_check_system(ide_acpi_dmi_table);
+       return 0;
+}
+
 /**
  * ide_get_dev_handle - finds acpi_handle and PCI device.function
  * @dev: device to locate
@@ -349,27 +382,19 @@ static int taskfile_load_raw(ide_drive_t *drive,
               gtf->tfa[3], gtf->tfa[4], gtf->tfa[5], gtf->tfa[6]);
 
        memset(&args, 0, sizeof(ide_task_t));
-       args.command_type = IDE_DRIVE_TASK_NO_DATA;
-       args.data_phase   = TASKFILE_NO_DATA;
-       args.handler      = &task_no_data_intr;
 
        /* convert gtf to IDE Taskfile */
-       args.tfRegister[1] = gtf->tfa[0];       /* 0x1f1 */
-       args.tfRegister[2] = gtf->tfa[1];       /* 0x1f2 */
-       args.tfRegister[3] = gtf->tfa[2];       /* 0x1f3 */
-       args.tfRegister[4] = gtf->tfa[3];       /* 0x1f4 */
-       args.tfRegister[5] = gtf->tfa[4];       /* 0x1f5 */
-       args.tfRegister[6] = gtf->tfa[5];       /* 0x1f6 */
-       args.tfRegister[7] = gtf->tfa[6];       /* 0x1f7 */
+       memcpy(&args.tf_array[7], &gtf->tfa, 7);
+       args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
 
        if (ide_noacpitfs) {
                DEBPRINT("_GTF execution disabled\n");
                return err;
        }
 
-       err = ide_raw_taskfile(drive, &args, NULL);
+       err = ide_no_data_taskfile(drive, &args);
        if (err)
-               printk(KERN_ERR "%s: ide_raw_taskfile failed: %u\n",
+               printk(KERN_ERR "%s: ide_no_data_taskfile failed: %u\n",
                       __FUNCTION__, err);
 
        return err;
@@ -623,7 +648,7 @@ void ide_acpi_set_state(ide_hwif_t *hwif, int on)
 {
        int unit;
 
-       if (ide_noacpi)
+       if (ide_noacpi || ide_noacpi_psx)
                return;
 
        DEBPRINT("ENTER:\n");
@@ -668,6 +693,8 @@ void ide_acpi_init(ide_hwif_t *hwif)
        struct ide_acpi_drive_link      *master;
        struct ide_acpi_drive_link      *slave;
 
+       ide_acpi_blacklist();
+
        hwif->acpidata = kzalloc(sizeof(struct ide_acpi_hwif_link), GFP_KERNEL);
        if (!hwif->acpidata)
                return;