parisc: remove unused local out_putf label
[safe/jmp/linux-2.6] / drivers / ide / ide-generic.c
index a7082c2..81a5282 100644 (file)
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/ide.h>
+#include <linux/pci_ids.h>
+
+/* FIXME: convert m32r to use ide_platform host driver */
+#ifdef CONFIG_M32R
+#include <asm/m32r.h>
+#endif
 
 #define DRV_NAME       "ide_generic"
 
-static int probe_mask = 0x03;
+static int probe_mask;
 module_param(probe_mask, int, 0);
 MODULE_PARM_DESC(probe_mask, "probe mask for legacy ISA IDE ports");
 
@@ -80,19 +86,78 @@ static int __init ide_generic_sysfs_init(void)
        return 0;
 }
 
+#if defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_MAPPI2) \
+       || defined(CONFIG_PLAT_OPSPUT)
+static const u16 legacy_bases[] = { 0x1f0 };
+static const int legacy_irqs[]  = { PLD_IRQ_CFIREQ };
+#elif defined(CONFIG_PLAT_MAPPI3)
+static const u16 legacy_bases[] = { 0x1f0, 0x170 };
+static const int legacy_irqs[]  = { PLD_IRQ_CFIREQ, PLD_IRQ_IDEIREQ };
+#elif defined(CONFIG_ALPHA)
+static const u16 legacy_bases[] = { 0x1f0, 0x170, 0x1e8, 0x168 };
+static const int legacy_irqs[]  = { 14, 15, 11, 10 };
+#else
+static const u16 legacy_bases[] = { 0x1f0, 0x170, 0x1e8, 0x168, 0x1e0, 0x160 };
+static const int legacy_irqs[]  = { 14, 15, 11, 10, 8, 12 };
+#endif
+
+static void ide_generic_check_pci_legacy_iobases(int *primary, int *secondary)
+{
+       struct pci_dev *p = NULL;
+       u16 val;
+
+       for_each_pci_dev(p) {
+
+               if (pci_resource_start(p, 0) == 0x1f0)
+                       *primary = 1;
+               if (pci_resource_start(p, 2) == 0x170)
+                       *secondary = 1;
+
+               /* Cyrix CS55{1,2}0 pre SFF MWDMA ATA on the bridge */
+               if (p->vendor == PCI_VENDOR_ID_CYRIX &&
+                   (p->device == PCI_DEVICE_ID_CYRIX_5510 ||
+                    p->device == PCI_DEVICE_ID_CYRIX_5520))
+                       *primary = *secondary = 1;
+
+               /* Intel MPIIX - PIO ATA on non PCI side of bridge */
+               if (p->vendor == PCI_VENDOR_ID_INTEL &&
+                   p->device == PCI_DEVICE_ID_INTEL_82371MX) {
+
+                       pci_read_config_word(p, 0x6C, &val);
+                       if (val & 0x8000) {
+                               /* ATA port enabled */
+                               if (val & 0x4000)
+                                       *secondary = 1;
+                               else
+                                       *primary = 1;
+                       }
+               }
+       }
+}
+
 static int __init ide_generic_init(void)
 {
-       hw_regs_t hw[MAX_HWIFS], *hws[MAX_HWIFS];
-       struct ide_host *host;
-       int i;
+       hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
+       unsigned long io_addr;
+       int i, rc = 0, primary = 0, secondary = 0;
 
-       printk(KERN_INFO DRV_NAME ": please use \"probe_mask=0x3f\" module "
-                        "parameter for probing all legacy ISA IDE ports\n");
+       ide_generic_check_pci_legacy_iobases(&primary, &secondary);
 
-       for (i = 0; i < MAX_HWIFS; i++) {
-               unsigned long io_addr = ide_default_io_base(i);
+       if (!probe_mask) {
+               printk(KERN_INFO DRV_NAME ": please use \"probe_mask=0x3f\" "
+                    "module parameter for probing all legacy ISA IDE ports\n");
 
-               hws[i] = NULL;
+               if (primary == 0)
+                       probe_mask |= 0x1;
+
+               if (secondary == 0)
+                       probe_mask |= 0x2;
+       } else
+               printk(KERN_INFO DRV_NAME ": enforcing probing of I/O ports "
+                       "upon user request\n");
+
+       for (i = 0; i < ARRAY_SIZE(legacy_bases); i++) {
+               io_addr = legacy_bases[i];
 
                if ((probe_mask & (1 << i)) && io_addr) {
                        if (!request_region(io_addr, 8, DRV_NAME)) {
@@ -110,24 +175,28 @@ static int __init ide_generic_init(void)
                                continue;
                        }
 
-                       memset(&hw[i], 0, sizeof(hw[i]));
-                       ide_std_init_ports(&hw[i], io_addr, io_addr + 0x206);
-                       hw[i].irq = ide_default_irq(io_addr);
-                       hw[i].chipset = ide_generic;
-
-                       hws[i] = &hw[i];
+                       memset(&hw, 0, sizeof(hw));
+                       ide_std_init_ports(&hw, io_addr, io_addr + 0x206);
+#ifdef CONFIG_IA64
+                       hw.irq = isa_irq_to_vector(legacy_irqs[i]);
+#else
+                       hw.irq = legacy_irqs[i];
+#endif
+                       hw.chipset = ide_generic;
+
+                       rc = ide_host_add(NULL, hws, NULL);
+                       if (rc) {
+                               release_region(io_addr + 0x206, 1);
+                               release_region(io_addr, 8);
+                       }
                }
        }
 
-       host = ide_host_alloc_all(NULL, hws);
-       if (host)
-               ide_host_register(host, NULL, hws);
-
        if (ide_generic_sysfs_init())
                printk(KERN_ERR DRV_NAME ": failed to create ide_generic "
                                         "class\n");
 
-       return 0;
+       return rc;
 }
 
 module_init(ide_generic_init);