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authorBartlomiej Zolnierkiewicz2008-10-21 20:57:23 +0200
committerBartlomiej Zolnierkiewicz2008-10-21 20:57:23 +0200
commit2bfba3c444fe8b2ab1c38112a89d8f03b61136ca (patch)
tree17580eee63d868c9d6b97a6bc956a08f25631532 /drivers/ide/pci/ns87415.c
parentbinfmt_elf_fdpic: Update for cputime changes. (diff)
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ide: remove useless subdirs from drivers/ide/
Suggested-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/pci/ns87415.c')
-rw-r--r--drivers/ide/pci/ns87415.c366
1 files changed, 0 insertions, 366 deletions
diff --git a/drivers/ide/pci/ns87415.c b/drivers/ide/pci/ns87415.c
deleted file mode 100644
index 13789060f407..000000000000
--- a/drivers/ide/pci/ns87415.c
+++ /dev/null
@@ -1,366 +0,0 @@
-/*
- * Copyright (C) 1997-1998 Mark Lord <mlord@pobox.com>
- * Copyright (C) 1998 Eddie C. Dost <ecd@skynet.be>
- * Copyright (C) 1999-2000 Andre Hedrick <andre@linux-ide.org>
- * Copyright (C) 2004 Grant Grundler <grundler at parisc-linux.org>
- *
- * Inspired by an earlier effort from David S. Miller <davem@redhat.com>
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/interrupt.h>
-#include <linux/pci.h>
-#include <linux/delay.h>
-#include <linux/ide.h>
-#include <linux/init.h>
-
-#include <asm/io.h>
-
-#define DRV_NAME "ns87415"
-
-#ifdef CONFIG_SUPERIO
-/* SUPERIO 87560 is a PoS chip that NatSem denies exists.
- * Unfortunately, it's built-in on all Astro-based PA-RISC workstations
- * which use the integrated NS87514 cell for CD-ROM support.
- * i.e we have to support for CD-ROM installs.
- * See drivers/parisc/superio.c for more gory details.
- */
-#include <asm/superio.h>
-
-#define SUPERIO_IDE_MAX_RETRIES 25
-
-/* Because of a defect in Super I/O, all reads of the PCI DMA status
- * registers, IDE status register and the IDE select register need to be
- * retried
- */
-static u8 superio_ide_inb (unsigned long port)
-{
- u8 tmp;
- int retries = SUPERIO_IDE_MAX_RETRIES;
-
- /* printk(" [ reading port 0x%x with retry ] ", port); */
-
- do {
- tmp = inb(port);
- if (tmp == 0)
- udelay(50);
- } while (tmp == 0 && retries-- > 0);
-
- return tmp;
-}
-
-static u8 superio_read_status(ide_hwif_t *hwif)
-{
- return superio_ide_inb(hwif->io_ports.status_addr);
-}
-
-static u8 superio_read_sff_dma_status(ide_hwif_t *hwif)
-{
- return superio_ide_inb(hwif->dma_base + ATA_DMA_STATUS);
-}
-
-static void superio_tf_read(ide_drive_t *drive, ide_task_t *task)
-{
- struct ide_io_ports *io_ports = &drive->hwif->io_ports;
- struct ide_taskfile *tf = &task->tf;
-
- if (task->tf_flags & IDE_TFLAG_IN_DATA) {
- u16 data = inw(io_ports->data_addr);
-
- tf->data = data & 0xff;
- tf->hob_data = (data >> 8) & 0xff;
- }
-
- /* be sure we're looking at the low order bits */
- outb(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr);
-
- if (task->tf_flags & IDE_TFLAG_IN_FEATURE)
- tf->feature = inb(io_ports->feature_addr);
- if (task->tf_flags & IDE_TFLAG_IN_NSECT)
- tf->nsect = inb(io_ports->nsect_addr);
- if (task->tf_flags & IDE_TFLAG_IN_LBAL)
- tf->lbal = inb(io_ports->lbal_addr);
- if (task->tf_flags & IDE_TFLAG_IN_LBAM)
- tf->lbam = inb(io_ports->lbam_addr);
- if (task->tf_flags & IDE_TFLAG_IN_LBAH)
- tf->lbah = inb(io_ports->lbah_addr);
- if (task->tf_flags & IDE_TFLAG_IN_DEVICE)
- tf->device = superio_ide_inb(io_ports->device_addr);
-
- if (task->tf_flags & IDE_TFLAG_LBA48) {
- outb(ATA_DEVCTL_OBS | 0x80, io_ports->ctl_addr);
-
- if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE)
- tf->hob_feature = inb(io_ports->feature_addr);
- if (task->tf_flags & IDE_TFLAG_IN_HOB_NSECT)
- tf->hob_nsect = inb(io_ports->nsect_addr);
- if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAL)
- tf->hob_lbal = inb(io_ports->lbal_addr);
- if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAM)
- tf->hob_lbam = inb(io_ports->lbam_addr);
- if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAH)
- tf->hob_lbah = inb(io_ports->lbah_addr);
- }
-}
-
-static const struct ide_tp_ops superio_tp_ops = {
- .exec_command = ide_exec_command,
- .read_status = superio_read_status,
- .read_altstatus = ide_read_altstatus,
- .read_sff_dma_status = superio_read_sff_dma_status,
-
- .set_irq = ide_set_irq,
-
- .tf_load = ide_tf_load,
- .tf_read = superio_tf_read,
-
- .input_data = ide_input_data,
- .output_data = ide_output_data,
-};
-
-static void __devinit superio_init_iops(struct hwif_s *hwif)
-{
- struct pci_dev *pdev = to_pci_dev(hwif->dev);
- u32 dma_stat;
- u8 port = hwif->channel, tmp;
-
- dma_stat = (pci_resource_start(pdev, 4) & ~3) + (!port ? 2 : 0xa);
-
- /* Clear error/interrupt, enable dma */
- tmp = superio_ide_inb(dma_stat);
- outb(tmp | 0x66, dma_stat);
-}
-#endif
-
-static unsigned int ns87415_count = 0, ns87415_control[MAX_HWIFS] = { 0 };
-
-/*
- * This routine either enables/disables (according to IDE_DFLAG_PRESENT)
- * the IRQ associated with the port (HWIF(drive)),
- * and selects either PIO or DMA handshaking for the next I/O operation.
- */
-static void ns87415_prepare_drive (ide_drive_t *drive, unsigned int use_dma)
-{
- ide_hwif_t *hwif = HWIF(drive);
- struct pci_dev *dev = to_pci_dev(hwif->dev);
- unsigned int bit, other, new, *old = (unsigned int *) hwif->select_data;
- unsigned long flags;
-
- local_irq_save(flags);
- new = *old;
-
- /* Adjust IRQ enable bit */
- bit = 1 << (8 + hwif->channel);
-
- if (drive->dev_flags & IDE_DFLAG_PRESENT)
- new &= ~bit;
- else
- new |= bit;
-
- /* Select PIO or DMA, DMA may only be selected for one drive/channel. */
- bit = 1 << (20 + (drive->dn & 1) + (hwif->channel << 1));
- other = 1 << (20 + (1 - (drive->dn & 1)) + (hwif->channel << 1));
- new = use_dma ? ((new & ~other) | bit) : (new & ~bit);
-
- if (new != *old) {
- unsigned char stat;
-
- /*
- * Don't change DMA engine settings while Write Buffers
- * are busy.
- */
- (void) pci_read_config_byte(dev, 0x43, &stat);
- while (stat & 0x03) {
- udelay(1);
- (void) pci_read_config_byte(dev, 0x43, &stat);
- }
-
- *old = new;
- (void) pci_write_config_dword(dev, 0x40, new);
-
- /*
- * And let things settle...
- */
- udelay(10);
- }
-
- local_irq_restore(flags);
-}
-
-static void ns87415_selectproc (ide_drive_t *drive)
-{
- ns87415_prepare_drive(drive,
- !!(drive->dev_flags & IDE_DFLAG_USING_DMA));
-}
-
-static int ns87415_dma_end(ide_drive_t *drive)
-{
- ide_hwif_t *hwif = HWIF(drive);
- u8 dma_stat = 0, dma_cmd = 0;
-
- drive->waiting_for_dma = 0;
- dma_stat = hwif->tp_ops->read_sff_dma_status(hwif);
- /* get DMA command mode */
- dma_cmd = inb(hwif->dma_base + ATA_DMA_CMD);
- /* stop DMA */
- outb(dma_cmd & ~1, hwif->dma_base + ATA_DMA_CMD);
- /* from ERRATA: clear the INTR & ERROR bits */
- dma_cmd = inb(hwif->dma_base + ATA_DMA_CMD);
- outb(dma_cmd | 6, hwif->dma_base + ATA_DMA_CMD);
- /* and free any DMA resources */
- ide_destroy_dmatable(drive);
- /* verify good DMA status */
- return (dma_stat & 7) != 4;
-}
-
-static int ns87415_dma_setup(ide_drive_t *drive)
-{
- /* select DMA xfer */
- ns87415_prepare_drive(drive, 1);
- if (!ide_dma_setup(drive))
- return 0;
- /* DMA failed: select PIO xfer */
- ns87415_prepare_drive(drive, 0);
- return 1;
-}
-
-static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif)
-{
- struct pci_dev *dev = to_pci_dev(hwif->dev);
- unsigned int ctrl, using_inta;
- u8 progif;
-#ifdef __sparc_v9__
- int timeout;
- u8 stat;
-#endif
-
- /*
- * We cannot probe for IRQ: both ports share common IRQ on INTA.
- * Also, leave IRQ masked during drive probing, to prevent infinite
- * interrupts from a potentially floating INTA..
- *
- * IRQs get unmasked in selectproc when drive is first used.
- */
- (void) pci_read_config_dword(dev, 0x40, &ctrl);
- (void) pci_read_config_byte(dev, 0x09, &progif);
- /* is irq in "native" mode? */
- using_inta = progif & (1 << (hwif->channel << 1));
- if (!using_inta)
- using_inta = ctrl & (1 << (4 + hwif->channel));
- if (hwif->mate) {
- hwif->select_data = hwif->mate->select_data;
- } else {
- hwif->select_data = (unsigned long)
- &ns87415_control[ns87415_count++];
- ctrl |= (1 << 8) | (1 << 9); /* mask both IRQs */
- if (using_inta)
- ctrl &= ~(1 << 6); /* unmask INTA */
- *((unsigned int *)hwif->select_data) = ctrl;
- (void) pci_write_config_dword(dev, 0x40, ctrl);
-
- /*
- * Set prefetch size to 512 bytes for both ports,
- * but don't turn on/off prefetching here.
- */
- pci_write_config_byte(dev, 0x55, 0xee);
-
-#ifdef __sparc_v9__
- /*
- * XXX: Reset the device, if we don't it will not respond to
- * SELECT_DRIVE() properly during first ide_probe_port().
- */
- timeout = 10000;
- outb(12, hwif->io_ports.ctl_addr);
- udelay(10);
- outb(8, hwif->io_ports.ctl_addr);
- do {
- udelay(50);
- stat = hwif->tp_ops->read_status(hwif);
- if (stat == 0xff)
- break;
- } while ((stat & ATA_BUSY) && --timeout);
-#endif
- }
-
- if (!using_inta)
- hwif->irq = __ide_default_irq(hwif->io_ports.data_addr);
- else if (!hwif->irq && hwif->mate && hwif->mate->irq)
- hwif->irq = hwif->mate->irq; /* share IRQ with mate */
-
- if (!hwif->dma_base)
- return;
-
- outb(0x60, hwif->dma_base + ATA_DMA_STATUS);
-}
-
-static const struct ide_port_ops ns87415_port_ops = {
- .selectproc = ns87415_selectproc,
-};
-
-static const struct ide_dma_ops ns87415_dma_ops = {
- .dma_host_set = ide_dma_host_set,
- .dma_setup = ns87415_dma_setup,
- .dma_exec_cmd = ide_dma_exec_cmd,
- .dma_start = ide_dma_start,
- .dma_end = ns87415_dma_end,
- .dma_test_irq = ide_dma_test_irq,
- .dma_lost_irq = ide_dma_lost_irq,
- .dma_timeout = ide_dma_timeout,
-};
-
-static const struct ide_port_info ns87415_chipset __devinitdata = {
- .name = DRV_NAME,
- .init_hwif = init_hwif_ns87415,
- .port_ops = &ns87415_port_ops,
- .dma_ops = &ns87415_dma_ops,
- .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA |
- IDE_HFLAG_NO_ATAPI_DMA,
-};
-
-static int __devinit ns87415_init_one(struct pci_dev *dev, const struct pci_device_id *id)
-{
- struct ide_port_info d = ns87415_chipset;
-
-#ifdef CONFIG_SUPERIO
- if (PCI_SLOT(dev->devfn) == 0xE) {
- /* Built-in - assume it's under superio. */
- d.init_iops = superio_init_iops;
- d.tp_ops = &superio_tp_ops;
- }
-#endif
- return ide_pci_init_one(dev, &d, NULL);
-}
-
-static const struct pci_device_id ns87415_pci_tbl[] = {
- { PCI_VDEVICE(NS, PCI_DEVICE_ID_NS_87415), 0 },
- { 0, },
-};
-MODULE_DEVICE_TABLE(pci, ns87415_pci_tbl);
-
-static struct pci_driver ns87415_pci_driver = {
- .name = "NS87415_IDE",
- .id_table = ns87415_pci_tbl,
- .probe = ns87415_init_one,
- .remove = ide_pci_remove,
- .suspend = ide_pci_suspend,
- .resume = ide_pci_resume,
-};
-
-static int __init ns87415_ide_init(void)
-{
- return ide_pci_register_driver(&ns87415_pci_driver);
-}
-
-static void __exit ns87415_ide_exit(void)
-{
- pci_unregister_driver(&ns87415_pci_driver);
-}
-
-module_init(ns87415_ide_init);
-module_exit(ns87415_ide_exit);
-
-MODULE_AUTHOR("Mark Lord, Eddie Dost, Andre Hedrick");
-MODULE_DESCRIPTION("PCI driver module for NS87415 IDE");
-MODULE_LICENSE("GPL");