* Copyright (C) 1998-2000 Andre Hedrick (andre@linux-ide.org)
* May be copied or modified under the terms of the GNU General Public License
* Copyright (C) 2002 Alan Cox <alan@redhat.com>
+ * ALi (now ULi M5228) support by Clear Zhang <Clear.Zhang@ali.com.tw>
*
* (U)DMA capable version of ali 1533/1543(C), 1535(D)
*
#include <asm/io.h>
-#include "alim15x3.h"
+#define DISPLAY_ALI_TIMINGS
/*
* ALi devices are not plug in. Otherwise these static values would
}
/**
- * ali15x3_dma_write - do a DMA IDE write
- * @drive: drive to issue write for
+ * ali15x3_dma_setup - begin a DMA phase
+ * @drive: target device
*
- * Returns 1 if the DMA write cannot be performed, zero on
- * success.
+ * Returns 1 if the DMA cannot be performed, zero on success.
*/
-
-static int ali15x3_dma_write (ide_drive_t *drive)
+
+static int ali15x3_dma_setup(ide_drive_t *drive)
{
- if ((m5229_revision < 0xC2) && (drive->media != ide_disk))
- return 1; /* try PIO instead of DMA */
- return __ide_dma_write(drive);
+ if (m5229_revision < 0xC2 && drive->media != ide_disk) {
+ if (rq_data_dir(drive->hwif->hwgroup->rq))
+ return 1; /* try PIO instead of DMA */
+ }
+ return ide_dma_setup(drive);
}
/**
* appropriate also sets up the 1533 southbridge.
*/
-static unsigned int __init init_chipset_ali15x3 (struct pci_dev *dev, const char *name)
+static unsigned int __devinit init_chipset_ali15x3 (struct pci_dev *dev, const char *name)
{
unsigned long flags;
u8 tmpbyte;
* FIXME: frobs bits that are not defined on newer ALi devicea
*/
-static unsigned int __init ata66_ali15x3 (ide_hwif_t *hwif)
+static unsigned int __devinit ata66_ali15x3 (ide_hwif_t *hwif)
{
struct pci_dev *dev = hwif->pci_dev;
unsigned int ata66 = 0;
if(m5229_revision <= 0x20)
tmpbyte = (tmpbyte & (~0x02)) | 0x01;
+ else if (m5229_revision == 0xc7)
+ tmpbyte |= 0x03;
else
tmpbyte |= 0x01;
* Initialize the IDE structure side of the ALi 15x3 driver.
*/
-static void __init init_hwif_common_ali15x3 (ide_hwif_t *hwif)
+static void __devinit init_hwif_common_ali15x3 (ide_hwif_t *hwif)
{
hwif->autodma = 0;
hwif->tuneproc = &ali15x3_tune_drive;
hwif->speedproc = &ali15x3_tune_chipset;
- /* Don't use LBA48 on ALi devices before rev 0xC5 */
- hwif->no_lba48 = (m5229_revision <= 0xC4) ? 1 : 0;
+ /* don't use LBA48 DMA on ALi devices before rev 0xC5 */
+ hwif->no_lba48_dma = (m5229_revision <= 0xC4) ? 1 : 0;
if (!hwif->dma_base) {
hwif->drives[0].autotune = 1;
* M1543C or newer for DMAing
*/
hwif->ide_dma_check = &ali15x3_config_drive_for_dma;
- hwif->ide_dma_write = &ali15x3_dma_write;
+ hwif->dma_setup = &ali15x3_dma_setup;
if (!noautodma)
hwif->autodma = 1;
if (!(hwif->udma_four))
* Sparc systems
*/
-static void __init init_hwif_ali15x3 (ide_hwif_t *hwif)
+static void __devinit init_hwif_ali15x3 (ide_hwif_t *hwif)
{
u8 ideic, inmir;
s8 irq_routing_table[] = { -1, 9, 3, 10, 4, 5, 7, 6,
1, 11, 0, 12, 0, 14, 0, 15 };
int irq = -1;
-
- hwif->irq = hwif->channel ? 15 : 14;
+
+ if (hwif->pci_dev->device == PCI_DEVICE_ID_AL_M5229)
+ hwif->irq = hwif->channel ? 15 : 14;
if (isa_dev) {
/*
* the actual work.
*/
-static void __init init_dma_ali15x3 (ide_hwif_t *hwif, unsigned long dmabase)
+static void __devinit init_dma_ali15x3 (ide_hwif_t *hwif, unsigned long dmabase)
{
if (m5229_revision < 0x20)
return;
ide_setup_dma(hwif, dmabase, 8);
}
+static ide_pci_device_t ali15x3_chipset __devinitdata = {
+ .name = "ALI15X3",
+ .init_chipset = init_chipset_ali15x3,
+ .init_hwif = init_hwif_ali15x3,
+ .init_dma = init_dma_ali15x3,
+ .channels = 2,
+ .autodma = AUTODMA,
+ .bootable = ON_BOARD,
+};
+
/**
* alim15x3_init_one - set up an ALi15x3 IDE controller
* @dev: PCI device to set up
static int __devinit alim15x3_init_one(struct pci_dev *dev, const struct pci_device_id *id)
{
- ide_pci_device_t *d = &ali15x3_chipsets[id->driver_data];
-
- if(pci_find_device(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS100, NULL))
- printk(KERN_ERR "Warning: ATI Radeon IGP Northbridge is not yet fully tested.\n");
+ static struct pci_device_id ati_rs100[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS100) },
+ { },
+ };
+
+ ide_pci_device_t *d = &ali15x3_chipset;
+
+ if (pci_dev_present(ati_rs100))
+ printk(KERN_WARNING "alim15x3: ATI Radeon IGP Northbridge is not yet fully tested.\n");
#if defined(CONFIG_SPARC64)
d->init_hwif = init_hwif_common_ali15x3;
#endif /* CONFIG_SPARC64 */
- ide_setup_pci_device(dev, d);
- return 0;
+ return ide_setup_pci_device(dev, d);
}
static struct pci_device_id alim15x3_pci_tbl[] = {
{ PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5229, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
+ { PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5228, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
{ 0, },
};
MODULE_DEVICE_TABLE(pci, alim15x3_pci_tbl);
static struct pci_driver driver = {
- .name = "ALI15x3 IDE",
+ .name = "ALI15x3_IDE",
.id_table = alim15x3_pci_tbl,
.probe = alim15x3_init_one,
};
git://git.onelab.eu / linux-2.6.git / blobdiff