X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fide%2Fpci%2Fslc90e66.c;h=2ce384ad6caa7a6c849c7ebf637002cf3a6fb84d;hb=5e71d9c5a50b92b33d35061d42ac39166db9578e;hp=fa8df6d43832b11ebd0686f1d51a52ab6253db07;hpb=9ff6f72f432364991d68e99cae72cb141c166e70;p=pandora-kernel.git

diff --git a/drivers/ide/pci/slc90e66.c b/drivers/ide/pci/slc90e66.c
index fa8df6d43832..2ce384ad6caa 100644
--- a/drivers/ide/pci/slc90e66.c
+++ b/drivers/ide/pci/slc90e66.c
@@ -1,6 +1,4 @@
 /*
- *  linux/drivers/ide/pci/slc90e66.c	Version 0.18	Aug 9, 2007
- *
  *  Copyright (C) 2000-2002 Andre Hedrick <andre@linux-ide.org>
  *  Copyright (C) 2006-2007 MontaVista Software, Inc. <source@mvista.com>
  *
@@ -12,19 +10,17 @@
 #include <linux/types.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
-#include <linux/ioport.h>
 #include <linux/pci.h>
 #include <linux/hdreg.h>
 #include <linux/ide.h>
-#include <linux/delay.h>
 #include <linux/init.h>
 
-#include <asm/io.h>
+static DEFINE_SPINLOCK(slc90e66_lock);
 
 static void slc90e66_set_pio_mode(ide_drive_t *drive, const u8 pio)
 {
 	ide_hwif_t *hwif	= HWIF(drive);
-	struct pci_dev *dev	= hwif->pci_dev;
+	struct pci_dev *dev	= to_pci_dev(hwif->dev);
 	int is_slave		= drive->dn & 1;
 	int master_port		= hwif->channel ? 0x42 : 0x40;
 	int slave_port		= 0x44;
@@ -40,7 +36,7 @@ static void slc90e66_set_pio_mode(ide_drive_t *drive, const u8 pio)
 					{ 2, 1 },
 					{ 2, 3 }, };
 
-	spin_lock_irqsave(&ide_lock, flags);
+	spin_lock_irqsave(&slc90e66_lock, flags);
 	pci_read_config_word(dev, master_port, &master_data);
 
 	if (pio > 1)
@@ -71,13 +67,13 @@ static void slc90e66_set_pio_mode(ide_drive_t *drive, const u8 pio)
 	pci_write_config_word(dev, master_port, master_data);
 	if (is_slave)
 		pci_write_config_byte(dev, slave_port, slave_data);
-	spin_unlock_irqrestore(&ide_lock, flags);
+	spin_unlock_irqrestore(&slc90e66_lock, flags);
 }
 
 static void slc90e66_set_dma_mode(ide_drive_t *drive, const u8 speed)
 {
 	ide_hwif_t *hwif	= HWIF(drive);
-	struct pci_dev *dev	= hwif->pci_dev;
+	struct pci_dev *dev	= to_pci_dev(hwif->dev);
 	u8 maslave		= hwif->channel ? 0x42 : 0x40;
 	int sitre = 0, a_speed	= 7 << (drive->dn * 4);
 	int u_speed = 0, u_flag = 1 << drive->dn;
@@ -89,19 +85,9 @@ static void slc90e66_set_dma_mode(ide_drive_t *drive, const u8 speed)
 	pci_read_config_word(dev, 0x48, &reg48);
 	pci_read_config_word(dev, 0x4a, &reg4a);
 
-	switch(speed) {
-		case XFER_UDMA_4:	u_speed = 4 << (drive->dn * 4); break;
-		case XFER_UDMA_3:	u_speed = 3 << (drive->dn * 4); break;
-		case XFER_UDMA_2:	u_speed = 2 << (drive->dn * 4); break;
-		case XFER_UDMA_1:	u_speed = 1 << (drive->dn * 4); break;
-		case XFER_UDMA_0:	u_speed = 0 << (drive->dn * 4); break;
-		case XFER_MW_DMA_2:
-		case XFER_MW_DMA_1:
-		case XFER_SW_DMA_2:	break;
-		default:		return;
-	}
-
 	if (speed >= XFER_UDMA_0) {
+		u_speed = (speed - XFER_UDMA_0) << (drive->dn * 4);
+
 		if (!(reg48 & u_flag))
 			pci_write_config_word(dev, 0x48, reg48|u_flag);
 		/* FIXME: (reg4a & a_speed) ? */
@@ -128,42 +114,34 @@ static void slc90e66_set_dma_mode(ide_drive_t *drive, const u8 speed)
 	}
 }
 
-static void __devinit init_hwif_slc90e66 (ide_hwif_t *hwif)
+static u8 __devinit slc90e66_cable_detect(ide_hwif_t *hwif)
 {
-	u8 reg47 = 0;
-	u8 mask = hwif->channel ? 0x01 : 0x02;  /* bit0:Primary */
+	struct pci_dev *dev = to_pci_dev(hwif->dev);
+	u8 reg47 = 0, mask = hwif->channel ? 0x01 : 0x02;
+
+	pci_read_config_byte(dev, 0x47, &reg47);
 
-	if (!hwif->irq)
-		hwif->irq = hwif->channel ? 15 : 14;
+	/* bit[0(1)]: 0:80, 1:40 */
+	return (reg47 & mask) ? ATA_CBL_PATA40 : ATA_CBL_PATA80;
+}
 
+static void __devinit init_hwif_slc90e66(ide_hwif_t *hwif)
+{
 	hwif->set_pio_mode = &slc90e66_set_pio_mode;
 	hwif->set_dma_mode = &slc90e66_set_dma_mode;
 
-	pci_read_config_byte(hwif->pci_dev, 0x47, &reg47);
-
-	hwif->drives[0].autotune = 1;
-	hwif->drives[1].autotune = 1;
-
-	if (hwif->dma_base == 0)
-		return;
-
-	hwif->atapi_dma = 1;
-	hwif->ultra_mask = 0x1f;
-	hwif->mwdma_mask = 0x06;
-	hwif->swdma_mask = 0x04;
-
-	if (hwif->cbl != ATA_CBL_PATA40_SHORT)
-		/* bit[0(1)]: 0:80, 1:40 */
-		hwif->cbl = (reg47 & mask) ? ATA_CBL_PATA40 : ATA_CBL_PATA80;
+	hwif->cable_detect = slc90e66_cable_detect;
 }
 
-static ide_pci_device_t slc90e66_chipset __devinitdata = {
+static const struct ide_port_info slc90e66_chipset __devinitdata = {
 	.name		= "SLC90E66",
 	.init_hwif	= init_hwif_slc90e66,
-	.autodma	= AUTODMA,
 	.enablebits	= {{0x41,0x80,0x80}, {0x43,0x80,0x80}},
-	.bootable	= ON_BOARD,
+	.host_flags	= IDE_HFLAG_LEGACY_IRQS,
 	.pio_mask	= ATA_PIO4,
+	.swdma_mask	= ATA_SWDMA2_ONLY,
+	.mwdma_mask	= ATA_MWDMA12_ONLY,
+	.udma_mask	= ATA_UDMA4,
 };
 
 static int __devinit slc90e66_init_one(struct pci_dev *dev, const struct pci_device_id *id)