patch-2.3.99-pre1 linux/drivers/block/sl82c105.c

• Lines: 139
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.3.51/linux/drivers/block/sl82c105.c
• Orig date: Thu Mar 2 14:36:22 2000

diff -u --recursive --new-file v2.3.51/linux/drivers/block/sl82c105.c linux/drivers/block/sl82c105.c
@@ -1,138 +0,0 @@
-/*
- * linux/drivers/block/sl82c105.c
- *
- * SL82C105/Winbond 553 IDE driver
- *
- * Maintainer unknown.
- *
- * Drive tuning added from Rebel.com's kernel sources
- *  -- Russell King (15/11/98) linux@arm.linux.org.uk
- */
-
-#include <linux/config.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/timer.h>
-#include <linux/mm.h>
-#include <linux/ioport.h>
-#include <linux/interrupt.h>
-#include <linux/blkdev.h>
-#include <linux/hdreg.h>
-#include <linux/pci.h>
-#include <linux/ide.h>
-
-#include <asm/io.h>
-#include <asm/dma.h>
-
-#include "ide_modes.h"
-
-extern char *ide_xfer_verbose (byte xfer_rate);
-
-#ifdef CONFIG_ARCH_NETWINDER
-/*
- * Convert a PIO mode and cycle time to the required on/off
- * times for the interface.  This has protection against run-away
- * timings.
- */
-static unsigned int get_timing_sl82c105(ide_pio_data_t *p)
-{
-	unsigned int cmd_on;
-	unsigned int cmd_off;
-
-	cmd_on = (ide_pio_timings[p->pio_mode].active_time + 29) / 30;
-	cmd_off = (p->cycle_time - 30 * cmd_on + 29) / 30;
-
-	if (cmd_on > 32)
-		cmd_on = 32;
-	if (cmd_on == 0)
-		cmd_on = 1;
-
-	if (cmd_off > 32)
-		cmd_off = 32;
-	if (cmd_off == 0)
-		cmd_off = 1;
-
-	return (cmd_on - 1) << 8 | (cmd_off - 1) | (p->use_iordy ? 0x40 : 0x00);
-}
-
-/*
- * We only deal with PIO mode here - DMA mode 'using_dma' is not
- * initialised at the point that this function is called.
- */
-static void tune_sl82c105(ide_drive_t *drive, byte pio)
-{
-	ide_hwif_t *hwif = HWIF(drive);
-	struct pci_dev *dev = hwif->pci_dev;
-	ide_pio_data_t p;
-	unsigned short drv_ctrl = 0x909;
-	unsigned int xfer_mode, reg;
-
-	reg = (hwif->channel ? 0x4c : 0x44) + (drive->select.b.unit ? 4 : 0);
-
-	pio = ide_get_best_pio_mode(drive, pio, 5, &p);
-
-	switch (pio) {
-	default:
-	case 0:		xfer_mode = XFER_PIO_0;		break;
-	case 1:		xfer_mode = XFER_PIO_1;		break;
-	case 2:		xfer_mode = XFER_PIO_2;		break;
-	case 3:		xfer_mode = XFER_PIO_3;		break;
-	case 4:		xfer_mode = XFER_PIO_4;		break;
-	}
-
-	if (ide_config_drive_speed(drive, xfer_mode) == 0)
-		drv_ctrl = get_timing_sl82c105(&p);
-
-	pci_write_config_word(dev, reg, drv_ctrl);
-	pci_read_config_word(dev, reg, &drv_ctrl);
-
-	printk("%s: selected %s (%dns) (%04X)\n", drive->name,
-	       ide_xfer_verbose(xfer_mode), p.cycle_time, drv_ctrl);
-}
-#endif
-
-void ide_dmacapable_sl82c105(ide_hwif_t *hwif, unsigned long dmabase)
-{
-	unsigned char rev;
-
-	pci_read_config_byte(hwif->pci_dev, PCI_REVISION_ID, &rev);
-
-	if (rev <= 5) {
-		hwif->autodma = 0;
-		hwif->drives[0].autotune = 1;
-		hwif->drives[1].autotune = 1;
-		printk("    %s: revision %d, Bus-Master DMA disabled\n",
-		       hwif->name, rev);
-	}
-	ide_setup_dma(hwif, dmabase, 8);
-}
-
-void ide_init_sl82c105(ide_hwif_t *hwif)
-{
-	struct pci_dev *dev = hwif->pci_dev;
-
-#ifdef CONFIG_ARCH_NETWINDER
-	unsigned char ctrl_stat;
-
-	pci_read_config_byte(dev, 0x40, &ctrl_stat);
-	pci_write_config_byte(dev, 0x40, ctrl_stat | 0x33);
-
-	hwif->tuneproc = tune_sl82c105;
-#else
-	unsigned short t16;
-	unsigned int t32;
-	pci_read_config_word(dev, PCI_COMMAND, &t16);
-	printk("SL82C105 command word: %x\n",t16);
-        t16 |= PCI_COMMAND_IO;
-        pci_write_config_word(dev, PCI_COMMAND, t16);
-	/* IDE timing */
-	pci_read_config_dword(dev, 0x44, &t32);
-	printk("IDE timing: %08x, resetting to PIO0 timing\n",t32);
-	pci_write_config_dword(dev, 0x44, 0x03e4);
-#ifndef CONFIG_MBX
-	pci_read_config_dword(dev, 0x40, &t32);
-	printk("IDE control/status register: %08x\n",t32);
-	pci_write_config_dword(dev, 0x40, 0x10ff08a1);
-#endif /* CONFIG_MBX */
-#endif
-}