patch-2.1.93 linux/drivers/block/sl82c105.c

• Lines: 79
• Date: Thu Apr 2 09:12:23 1998
• Orig file: v2.1.92/linux/drivers/block/sl82c105.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.92/linux/drivers/block/sl82c105.c linux/drivers/block/sl82c105.c
@@ -0,0 +1,78 @@
+#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 <asm/io.h>
+#include <asm/dma.h>
+
+#include "ide.h"
+#include "ide_modes.h"
+
+unsigned int chrp_ide_irq = 0;
+int chrp_ide_ports_known = 0;
+ide_ioreg_t chrp_ide_regbase[MAX_HWIFS];
+ide_ioreg_t chrp_idedma_regbase;
+
+void ide_init_sl82c105(struct pci_dev *dev) {
+
+	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);
+	pci_read_config_dword(dev, 0x40, &t32);
+	printk("IDE control/status register: %08x\n",t32);
+	pci_write_config_dword(dev, 0x40, 0x10ff08a1);
+}
+
+
+void ide_probe_for_sl82c105(void)
+{
+	struct pci_dev *dev = NULL;
+
+        while ((dev = pci_find_device(PCI_VENDOR_ID_WINBOND, PCI_DEVICE_ID_WINBOND_82C105, dev)))
+                ide_init_sl82c105(dev);
+}
+
+void chrp_ide_probe(void) {
+
+	struct pci_dev *pdev = pci_find_device(PCI_VENDOR_ID_WINBOND, PCI_DEVICE_ID_WINBOND_82C105, NULL);
+
+	chrp_ide_ports_known = 1;
+
+        if(pdev) {
+		chrp_ide_regbase[0]=pdev->base_address[0] &
+			PCI_BASE_ADDRESS_IO_MASK;
+		chrp_ide_regbase[1]=pdev->base_address[2] &
+			PCI_BASE_ADDRESS_IO_MASK;
+		chrp_idedma_regbase=pdev->base_address[4] &
+			PCI_BASE_ADDRESS_IO_MASK;
+		chrp_ide_irq=pdev->irq;
+        }
+}
+
+
+void chrp_ide_init_hwif_ports (ide_ioreg_t *p, ide_ioreg_t base, int *irq)
+{
+        ide_ioreg_t port = base;
+        int i = 8;
+
+        while (i--)
+                *p++ = port++;
+        *p++ = port;
+        if (irq != NULL)
+                *irq = chrp_ide_irq;
+}
+