/*
- * linux/drivers/ide/pci/piix.c Version 0.54 Sep 5, 2007
- *
* Copyright (C) 1998-1999 Andrzej Krzysztofowicz, Author and Maintainer
* Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org>
* Copyright (C) 2003 Red Hat Inc <alan@redhat.com>
*
* May be copied or modified under the terms of the GNU General Public License
*
- * PIO mode setting function for Intel chipsets.
- * For use instead of BIOS settings.
- *
- * 40-41
- * 42-43
- *
- * 41
- * 43
- *
- * | PIO 0 | c0 | 80 | 0 |
- * | PIO 2 | SW2 | d0 | 90 | 4 |
- * | PIO 3 | MW1 | e1 | a1 | 9 |
- * | PIO 4 | MW2 | e3 | a3 | b |
- *
- * sitre = word40 & 0x4000; primary
- * sitre = word42 & 0x4000; secondary
- *
- * 44 8421|8421 hdd|hdb
- *
- * 48 8421 hdd|hdc|hdb|hda udma enabled
- *
- * 0001 hda
- * 0010 hdb
- * 0100 hdc
- * 1000 hdd
- *
- * 4a 84|21 hdb|hda
- * 4b 84|21 hdd|hdc
- *
- * ata-33/82371AB
- * ata-33/82371EB
- * ata-33/82801AB ata-66/82801AA
- * 00|00 udma 0 00|00 reserved
- * 01|01 udma 1 01|01 udma 3
- * 10|10 udma 2 10|10 udma 4
- * 11|11 reserved 11|11 reserved
- *
- * 54 8421|8421 ata66 drive|ata66 enable
- *
- * pci_read_config_word(HWIF(drive)->pci_dev, 0x40, ®40);
- * pci_read_config_word(HWIF(drive)->pci_dev, 0x42, ®42);
- * pci_read_config_word(HWIF(drive)->pci_dev, 0x44, ®44);
- * pci_read_config_byte(HWIF(drive)->pci_dev, 0x48, ®48);
- * pci_read_config_word(HWIF(drive)->pci_dev, 0x4a, ®4a);
- * pci_read_config_byte(HWIF(drive)->pci_dev, 0x54, ®54);
+ * Documentation:
*
- * Documentation
* Publically available from Intel web site. Errata documentation
* is also publically available. As an aide to anyone hacking on this
* driver the list of errata that are relevant is below.going back to
#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 void piix_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;
static void piix_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 a_speed = 3 << (drive->dn * 4);
int u_flag = 1 << drive->dn;
pci_read_config_byte(dev, 0x54, ®54);
pci_read_config_byte(dev, 0x55, ®55);
- switch(speed) {
- case XFER_UDMA_4:
- case XFER_UDMA_2: u_speed = 2 << (drive->dn * 4); break;
- case XFER_UDMA_5:
- case XFER_UDMA_3:
- 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) {
+ u8 udma = speed - XFER_UDMA_0;
+
+ u_speed = min_t(u8, 2 - (udma & 1), udma) << (drive->dn * 4);
+
if (!(reg48 & u_flag))
pci_write_config_byte(dev, 0x48, reg48 | u_flag);
if (speed == XFER_UDMA_5) {
u8 dma_stat;
/* clear the INTR & ERROR bits */
- dma_stat = inb(hwif->dma_status);
+ dma_stat = inb(hwif->dma_base + ATA_DMA_STATUS);
/* Should we force the bit as well ? */
- outb(dma_stat, hwif->dma_status);
+ outb(dma_stat, hwif->dma_base + ATA_DMA_STATUS);
}
struct ich_laptop {
static const struct ich_laptop ich_laptop[] = {
/* devid, subvendor, subdev */
+ { 0x27DF, 0x1025, 0x0102 }, /* ICH7 on Acer 5602aWLMi */
{ 0x27DF, 0x0005, 0x0280 }, /* ICH7 on Acer 5602WLMi */
{ 0x27DF, 0x1025, 0x0110 }, /* ICH7 on Acer 3682WLMi */
{ 0x27DF, 0x1043, 0x1267 }, /* ICH7 on Asus W5F */
+ { 0x27DF, 0x103C, 0x30A1 }, /* ICH7 on HP Compaq nc2400 */
{ 0x24CA, 0x1025, 0x0061 }, /* ICH4 on Acer Aspire 2023WLMi */
+ { 0x2653, 0x1043, 0x82D8 }, /* ICH6M on Asus Eee 701 */
/* end marker */
{ 0, }
};
static u8 __devinit piix_cable_detect(ide_hwif_t *hwif)
{
- struct pci_dev *pdev = hwif->pci_dev;
+ struct pci_dev *pdev = to_pci_dev(hwif->dev);
const struct ich_laptop *lap = &ich_laptop[0];
u8 reg54h = 0, mask = hwif->channel ? 0xc0 : 0x30;
static void __devinit init_hwif_piix(ide_hwif_t *hwif)
{
- hwif->set_pio_mode = &piix_set_pio_mode;
- hwif->set_dma_mode = &piix_set_dma_mode;
-
- hwif->drives[0].autotune = 1;
- hwif->drives[1].autotune = 1;
-
if (!hwif->dma_base)
return;
- if (hwif->ultra_mask & 0x78) {
- if (hwif->cbl != ATA_CBL_PATA40_SHORT)
- hwif->cbl = piix_cable_detect(hwif);
- }
-
if (no_piix_dma)
hwif->ultra_mask = hwif->mwdma_mask = hwif->swdma_mask = 0;
}
hwif->ide_dma_clear_irq = &piix_dma_clear_irq;
}
+static const struct ide_port_ops piix_port_ops = {
+ .set_pio_mode = piix_set_pio_mode,
+ .set_dma_mode = piix_set_dma_mode,
+ .cable_detect = piix_cable_detect,
+};
+
#ifndef CONFIG_IA64
- #define IDE_HFLAGS_PIIX (IDE_HFLAG_LEGACY_IRQS | IDE_HFLAG_BOOTABLE)
+ #define IDE_HFLAGS_PIIX IDE_HFLAG_LEGACY_IRQS
#else
- #define IDE_HFLAGS_PIIX IDE_HFLAG_BOOTABLE
+ #define IDE_HFLAGS_PIIX 0
#endif
#define DECLARE_PIIX_DEV(name_str, udma) \
.name = name_str, \
.init_hwif = init_hwif_piix, \
.enablebits = {{0x41,0x80,0x80}, {0x43,0x80,0x80}}, \
+ .port_ops = &piix_port_ops, \
.host_flags = IDE_HFLAGS_PIIX, \
.pio_mask = ATA_PIO4, \
.swdma_mask = ATA_SWDMA2_ONLY, \
.init_chipset = init_chipset_ich, \
.init_hwif = init_hwif_ich, \
.enablebits = {{0x41,0x80,0x80}, {0x43,0x80,0x80}}, \
+ .port_ops = &piix_port_ops, \
.host_flags = IDE_HFLAGS_PIIX, \
.pio_mask = ATA_PIO4, \
.swdma_mask = ATA_SWDMA2_ONLY, \
.udma_mask = udma, \
}
-static ide_pci_device_t piix_pci_info[] __devinitdata = {
+static const struct ide_port_info piix_pci_info[] __devinitdata = {
/* 0 */ DECLARE_PIIX_DEV("PIIXa", 0x00), /* no udma */
/* 1 */ DECLARE_PIIX_DEV("PIIXb", 0x00), /* no udma */
static int __devinit piix_init_one(struct pci_dev *dev, const struct pci_device_id *id)
{
- ide_pci_device_t *d = &piix_pci_info[id->driver_data];
-
- return ide_setup_pci_device(dev, d);
+ return ide_setup_pci_device(dev, &piix_pci_info[id->driver_data]);
}
/**
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff