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path: root/drivers/ide/pci/sgiioc4.c
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Diffstat (limited to 'drivers/ide/pci/sgiioc4.c')
-rw-r--r--drivers/ide/pci/sgiioc4.c89
1 files changed, 33 insertions, 56 deletions
diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c
index de820aa58cd..054626497be 100644
--- a/drivers/ide/pci/sgiioc4.c
+++ b/drivers/ide/pci/sgiioc4.c
@@ -25,8 +25,6 @@
#include <linux/hdreg.h>
#include <linux/init.h>
#include <linux/kernel.h>
-#include <linux/timer.h>
-#include <linux/mm.h>
#include <linux/ioport.h>
#include <linux/blkdev.h>
#include <linux/scatterlist.h>
@@ -159,6 +157,7 @@ sgiioc4_clearirq(ide_drive_t * drive)
}
if (intr_reg & 0x02) {
+ struct pci_dev *dev = to_pci_dev(hwif->dev);
/* Error when transferring DMA data on PCI bus */
u32 pci_err_addr_low, pci_err_addr_high,
pci_stat_cmd_reg;
@@ -167,7 +166,7 @@ sgiioc4_clearirq(ide_drive_t * drive)
readl((void __iomem *)hwif->io_ports[IDE_IRQ_OFFSET]);
pci_err_addr_high =
readl((void __iomem *)(hwif->io_ports[IDE_IRQ_OFFSET] + 4));
- pci_read_config_dword(hwif->pci_dev, PCI_COMMAND,
+ pci_read_config_dword(dev, PCI_COMMAND,
&pci_stat_cmd_reg);
printk(KERN_ERR
"%s(%s) : PCI Bus Error when doing DMA:"
@@ -178,8 +177,7 @@ sgiioc4_clearirq(ide_drive_t * drive)
__FUNCTION__, drive->name,
pci_err_addr_high, pci_err_addr_low);
/* Clear the PCI Error indicator */
- pci_write_config_dword(hwif->pci_dev, PCI_COMMAND,
- 0x00000146);
+ pci_write_config_dword(dev, PCI_COMMAND, 0x00000146);
}
/* Clear the Interrupt, Error bits on the IOC4 */
@@ -277,21 +275,6 @@ sgiioc4_ide_dma_end(ide_drive_t * drive)
return dma_stat;
}
-static int
-sgiioc4_ide_dma_on(ide_drive_t * drive)
-{
- drive->using_dma = 1;
-
- return 0;
-}
-
-static void sgiioc4_dma_off_quietly(ide_drive_t *drive)
-{
- drive->using_dma = 0;
-
- drive->hwif->dma_host_off(drive);
-}
-
static void sgiioc4_set_dma_mode(ide_drive_t *drive, const u8 speed)
{
}
@@ -303,13 +286,10 @@ sgiioc4_ide_dma_test_irq(ide_drive_t * drive)
return sgiioc4_checkirq(HWIF(drive));
}
-static void sgiioc4_dma_host_on(ide_drive_t * drive)
+static void sgiioc4_dma_host_set(ide_drive_t *drive, int on)
{
-}
-
-static void sgiioc4_dma_host_off(ide_drive_t * drive)
-{
- sgiioc4_clearirq(drive);
+ if (!on)
+ sgiioc4_clearirq(drive);
}
static void
@@ -352,6 +332,7 @@ sgiioc4_INB(unsigned long port)
static int __devinit
ide_dma_sgiioc4(ide_hwif_t * hwif, unsigned long dma_base)
{
+ struct pci_dev *dev = to_pci_dev(hwif->dev);
void __iomem *virt_dma_base;
int num_ports = sizeof (ioc4_dma_regs_t);
void *pad;
@@ -377,7 +358,7 @@ ide_dma_sgiioc4(ide_hwif_t * hwif, unsigned long dma_base)
}
hwif->dma_base = (unsigned long) virt_dma_base;
- hwif->dmatable_cpu = pci_alloc_consistent(hwif->pci_dev,
+ hwif->dmatable_cpu = pci_alloc_consistent(dev,
IOC4_PRD_ENTRIES * IOC4_PRD_BYTES,
&hwif->dmatable_dma);
@@ -386,7 +367,7 @@ ide_dma_sgiioc4(ide_hwif_t * hwif, unsigned long dma_base)
hwif->sg_max_nents = IOC4_PRD_ENTRIES;
- pad = pci_alloc_consistent(hwif->pci_dev, IOC4_IDE_CACHELINE_SIZE,
+ pad = pci_alloc_consistent(dev, IOC4_IDE_CACHELINE_SIZE,
(dma_addr_t *) &(hwif->dma_status));
if (pad) {
@@ -394,8 +375,7 @@ ide_dma_sgiioc4(ide_hwif_t * hwif, unsigned long dma_base)
return 0;
}
- pci_free_consistent(hwif->pci_dev,
- IOC4_PRD_ENTRIES * IOC4_PRD_BYTES,
+ pci_free_consistent(dev, IOC4_PRD_ENTRIES * IOC4_PRD_BYTES,
hwif->dmatable_cpu, hwif->dmatable_dma);
printk(KERN_INFO
"%s() -- Error! Unable to allocate DMA Maps for drive %s\n",
@@ -535,8 +515,7 @@ sgiioc4_build_dma_table(ide_drive_t * drive, struct request *rq, int ddir)
}
use_pio_instead:
- pci_unmap_sg(hwif->pci_dev, hwif->sg_table, hwif->sg_nents,
- hwif->sg_dma_direction);
+ ide_destroy_dmatable(drive);
return 0; /* revert to PIO for this request */
}
@@ -574,7 +553,6 @@ static void __devinit
ide_init_sgiioc4(ide_hwif_t * hwif)
{
hwif->mmio = 1;
- hwif->pio_mask = 0x00;
hwif->set_pio_mode = NULL; /* Sets timing for PIO mode */
hwif->set_dma_mode = &sgiioc4_set_dma_mode;
hwif->selectproc = NULL;/* Use the default routine to select drive */
@@ -582,7 +560,6 @@ ide_init_sgiioc4(ide_hwif_t * hwif)
hwif->pre_reset = NULL; /* No HBA specific pre_set needed */
hwif->resetproc = &sgiioc4_resetproc;/* Reset DMA engine,
clear interrupts */
- hwif->intrproc = NULL; /* Enable or Disable interrupt from drive */
hwif->maskproc = &sgiioc4_maskproc; /* Mask on/off NIEN register */
hwif->quirkproc = NULL;
hwif->busproc = NULL;
@@ -592,20 +569,22 @@ ide_init_sgiioc4(ide_hwif_t * hwif)
if (hwif->dma_base == 0)
return;
- hwif->mwdma_mask = ATA_MWDMA2_ONLY;
-
+ hwif->dma_host_set = &sgiioc4_dma_host_set;
hwif->dma_setup = &sgiioc4_ide_dma_setup;
hwif->dma_start = &sgiioc4_ide_dma_start;
hwif->ide_dma_end = &sgiioc4_ide_dma_end;
- hwif->ide_dma_on = &sgiioc4_ide_dma_on;
- hwif->dma_off_quietly = &sgiioc4_dma_off_quietly;
hwif->ide_dma_test_irq = &sgiioc4_ide_dma_test_irq;
- hwif->dma_host_on = &sgiioc4_dma_host_on;
- hwif->dma_host_off = &sgiioc4_dma_host_off;
hwif->dma_lost_irq = &sgiioc4_dma_lost_irq;
hwif->dma_timeout = &ide_dma_timeout;
}
+static const struct ide_port_info sgiioc4_port_info __devinitdata = {
+ .chipset = ide_pci,
+ .host_flags = IDE_HFLAG_NO_DMA | /* no SFF-style DMA */
+ IDE_HFLAG_NO_AUTOTUNE,
+ .mwdma_mask = ATA_MWDMA2_ONLY,
+};
+
static int __devinit
sgiioc4_ide_setup_pci_device(struct pci_dev *dev)
{
@@ -615,6 +594,8 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev)
ide_hwif_t *hwif;
int h;
u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
+ hw_regs_t hw;
+ struct ide_port_info d = sgiioc4_port_info;
/*
* Find an empty HWIF; if none available, return -ENOMEM.
@@ -654,21 +635,15 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev)
return -ENOMEM;
}
- if (hwif->io_ports[IDE_DATA_OFFSET] != cmd_base) {
- hw_regs_t hw;
+ /* Initialize the IO registers */
+ memset(&hw, 0, sizeof(hw));
+ sgiioc4_init_hwif_ports(&hw, cmd_base, ctl, irqport);
+ hw.irq = dev->irq;
+ hw.chipset = ide_pci;
+ hw.dev = &dev->dev;
+ ide_init_port_hw(hwif, &hw);
- /* Initialize the IO registers */
- memset(&hw, 0, sizeof(hw));
- sgiioc4_init_hwif_ports(&hw, cmd_base, ctl, irqport);
- memcpy(hwif->io_ports, hw.io_ports, sizeof(hwif->io_ports));
- hwif->noprobe = !hwif->io_ports[IDE_DATA_OFFSET];
- }
-
- hwif->irq = dev->irq;
- hwif->chipset = ide_pci;
- hwif->pci_dev = dev;
- hwif->channel = 0; /* Single Channel chip */
- hwif->gendev.parent = &dev->dev;/* setup proper ancestral information */
+ hwif->dev = &dev->dev;
/* The IOC4 uses MMIO rather than Port IO. */
default_hwif_mmiops(hwif);
@@ -676,15 +651,17 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev)
/* Initializing chipset IRQ Registers */
writel(0x03, (void __iomem *)(irqport + IOC4_INTR_SET * 4));
- if (dma_base == 0 || ide_dma_sgiioc4(hwif, dma_base))
+ if (dma_base == 0 || ide_dma_sgiioc4(hwif, dma_base)) {
printk(KERN_INFO "%s: %s Bus-Master DMA disabled\n",
hwif->name, DRV_NAME);
+ d.mwdma_mask = 0;
+ }
ide_init_sgiioc4(hwif);
idx[0] = hwif->index;
- if (ide_device_add(idx))
+ if (ide_device_add(idx, &d))
return -EIO;
return 0;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-01-05 11:55:48 +0000