/*
- * linux/drivers/ide/pci/alim15x3.c Version 0.25 Jun 9 2007
+ * linux/drivers/ide/pci/alim15x3.c Version 0.26 Jul 14 2007
*
* Copyright (C) 1998-2000 Michel Aubry, Maintainer
* Copyright (C) 1998-2000 Andrzej Krzysztofowicz, Maintainer
#endif /* defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_IDE_PROC_FS) */
/**
- * ali15x3_tune_pio - set up chipset for PIO mode
- * @drive: drive to tune
- * @pio: desired mode
+ * ali_set_pio_mode - set host controller for PIO mode
+ * @drive: drive
+ * @pio: PIO mode number
*
- * Select the best PIO mode for the drive in question.
- * Then program the controller for this mode.
- *
- * Returns the PIO mode programmed.
+ * Program the controller for the given PIO mode.
*/
-
-static u8 ali15x3_tune_pio (ide_drive_t *drive, u8 pio)
+
+static void ali_set_pio_mode(ide_drive_t *drive, const u8 pio)
{
ide_hwif_t *hwif = HWIF(drive);
struct pci_dev *dev = hwif->pci_dev;
u8 cd_dma_fifo = 0;
int unit = drive->select.b.unit & 1;
- pio = ide_get_best_pio_mode(drive, pio, 5);
s_time = ide_pio_timings[pio].setup_time;
a_time = ide_pio_timings[pio].active_time;
if ((s_clc = (s_time * bus_speed + 999) / 1000) >= 8)
* { 25, 70, 25 }, PIO Mode 4 with IORDY ns
* { 20, 50, 30 } PIO Mode 5 with IORDY (nonstandard)
*/
-
- return pio;
-}
-
-/**
- * ali15x3_tune_drive - set up drive for PIO mode
- * @drive: drive to tune
- * @pio: desired mode
- *
- * Program the controller with the best PIO timing for the given drive.
- * Then set up the drive itself.
- */
-
-static void ali15x3_tune_drive (ide_drive_t *drive, u8 pio)
-{
- pio = ali15x3_tune_pio(drive, pio);
- (void) ide_config_drive_speed(drive, XFER_PIO_0 + pio);
}
/**
}
/**
- * ali15x3_tune_chipset - set up chipset/drive for new speed
- * @drive: drive to configure for
- * @xferspeed: desired speed
+ * ali_set_dma_mode - set host controller for DMA mode
+ * @drive: drive
+ * @speed: DMA mode
*
* Configure the hardware for the desired IDE transfer mode.
- * We also do the needed drive configuration through helpers
*/
-
-static int ali15x3_tune_chipset (ide_drive_t *drive, u8 xferspeed)
+
+static void ali_set_dma_mode(ide_drive_t *drive, const u8 speed)
{
ide_hwif_t *hwif = HWIF(drive);
struct pci_dev *dev = hwif->pci_dev;
- u8 speed = ide_rate_filter(drive, xferspeed);
u8 speed1 = speed;
u8 unit = (drive->select.b.unit & 0x01);
u8 tmpbyte = 0x00;
int m5229_udma = (hwif->channel) ? 0x57 : 0x56;
+ if (speed < XFER_PIO_0)
+ return;
+
if (speed == XFER_UDMA_6)
speed1 = 0x47;
tmpbyte &= ultra_enable;
pci_write_config_byte(dev, m5229_udma, tmpbyte);
- if (speed < XFER_SW_DMA_0)
- (void) ali15x3_tune_pio(drive, speed - XFER_PIO_0);
+ /*
+ * FIXME: Oh, my... DMA timings are never set.
+ */
} else {
pci_read_config_byte(dev, m5229_udma, &tmpbyte);
tmpbyte &= (0x0f << ((1-unit) << 2));
pci_write_config_byte(dev, 0x4b, tmpbyte);
}
}
- return (ide_config_drive_speed(drive, speed));
-}
-
-/**
- * ali15x3_config_drive_for_dma - configure for DMA
- * @drive: drive to configure
- *
- * Configure a drive for DMA operation. If DMA is not possible we
- * drop the drive into PIO mode instead.
- */
-
-static int ali15x3_config_drive_for_dma(ide_drive_t *drive)
-{
- drive->init_speed = 0;
-
- if (ide_tune_dma(drive))
- return 0;
-
- ali15x3_tune_drive(drive, 255);
-
- return -1;
}
/**
static void __devinit init_hwif_common_ali15x3 (ide_hwif_t *hwif)
{
- hwif->autodma = 0;
- hwif->tuneproc = &ali15x3_tune_drive;
- hwif->speedproc = &ali15x3_tune_chipset;
+ hwif->set_pio_mode = &ali_set_pio_mode;
+ hwif->set_dma_mode = &ali_set_dma_mode;
hwif->udma_filter = &ali_udma_filter;
/* don't use LBA48 DMA on ALi devices before rev 0xC5 */
- hwif->no_lba48_dma = (m5229_revision <= 0xC4) ? 1 : 0;
+ if (m5229_revision <= 0xC4)
+ hwif->host_flags |= IDE_HFLAG_NO_LBA48_DMA;
if (!hwif->dma_base) {
hwif->drives[0].autotune = 1;
return;
}
- if (m5229_revision > 0x20)
- hwif->atapi_dma = 1;
+ /*
+ * check in ->init_dma guarantees m5229_revision >= 0x20 here
+ */
+
+ if (m5229_revision == 0x20)
+ hwif->host_flags |= IDE_HFLAG_NO_ATAPI_DMA;
if (m5229_revision <= 0x20)
hwif->ultra_mask = 0x00; /* no udma */
hwif->mwdma_mask = 0x07;
hwif->swdma_mask = 0x07;
- if (m5229_revision >= 0x20) {
- /*
- * M1543C or newer for DMAing
- */
- hwif->ide_dma_check = &ali15x3_config_drive_for_dma;
- hwif->dma_setup = &ali15x3_dma_setup;
- if (!noautodma)
- hwif->autodma = 1;
-
- if (hwif->cbl != ATA_CBL_PATA40_SHORT)
- hwif->cbl = ata66_ali15x3(hwif);
- }
- hwif->drives[0].autodma = hwif->autodma;
- hwif->drives[1].autodma = hwif->autodma;
+ hwif->dma_setup = &ali15x3_dma_setup;
+
+ if (hwif->cbl != ATA_CBL_PATA40_SHORT)
+ hwif->cbl = ata66_ali15x3(hwif);
}
/**
.init_chipset = init_chipset_ali15x3,
.init_hwif = init_hwif_ali15x3,
.init_dma = init_dma_ali15x3,
- .autodma = AUTODMA,
- .bootable = ON_BOARD,
+ .host_flags = IDE_HFLAG_BOOTABLE,
.pio_mask = ATA_PIO5,
};
}
-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 },
+static const struct pci_device_id alim15x3_pci_tbl[] = {
+ { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5229), 0 },
+ { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5228), 0 },
{ 0, },
};
MODULE_DEVICE_TABLE(pci, alim15x3_pci_tbl);
projects / mirror_ubuntu-zesty-kernel.git / blobdiff