]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - include/asm-sparc64/floppy.h
x86: types: use <asm-generic/int-*.h> for the x86 architecture
[linux-2.6-omap-h63xx.git] / include / asm-sparc64 / floppy.h
index dbe033e494dbeabf14524c1b78b71e6659d26cd7..ca19f80a9b7d96bab4494525abb248cd88e3c7a1 100644 (file)
@@ -1,7 +1,6 @@
-/* $Id: floppy.h,v 1.32 2001/10/26 17:59:36 davem Exp $
- * asm-sparc64/floppy.h: Sparc specific parts of the Floppy driver.
+/* floppy.h: Sparc specific parts of the Floppy driver.
  *
- * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 1996, 2007 David S. Miller (davem@davemloft.net)
  * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
  *
  * Ultra/PCI support added: Sep 1997  Eddie C. Dost  (ecd@skynet.be)
@@ -11,6 +10,7 @@
 #define __ASM_SPARC64_FLOPPY_H
 
 #include <linux/init.h>
+#include <linux/pci.h>
 
 #include <asm/page.h>
 #include <asm/pgtable.h>
@@ -84,8 +84,6 @@ static struct sun_floppy_ops sun_fdops;
 #define fd_free_irq()             sun_fdops.fd_free_irq()
 #define fd_eject(drive)           sun_fdops.fd_eject(drive)
 
-static int FLOPPY_MOTOR_MASK = 0x10;
-
 /* Super paranoid... */
 #undef HAVE_DISABLE_HLT
 
@@ -295,7 +293,6 @@ static int sun_fd_eject(int drive)
 
 #ifdef CONFIG_PCI
 #include <asm/ebus.h>
-#include <asm/isa.h>
 #include <asm/ns87303.h>
 
 static struct ebus_dma_info sun_pci_fd_ebus_dma;
@@ -549,7 +546,7 @@ static int __init ebus_fdthree_p(struct linux_ebus_device *edev)
        if (!strcmp(edev->prom_node->name, "fdthree"))
                return 1;
        if (!strcmp(edev->prom_node->name, "floppy")) {
-               char *compat;
+               const char *compat;
 
                compat = of_get_property(edev->prom_node,
                                         "compatible", NULL);
@@ -560,83 +557,6 @@ static int __init ebus_fdthree_p(struct linux_ebus_device *edev)
 }
 #endif
 
-#ifdef CONFIG_PCI
-#undef ISA_FLOPPY_WORKS
-
-#ifdef ISA_FLOPPY_WORKS
-static unsigned long __init isa_floppy_init(void)
-{
-       struct sparc_isa_bridge *isa_br;
-       struct sparc_isa_device *isa_dev = NULL;
-
-       for_each_isa(isa_br) {
-               for_each_isadev(isa_dev, isa_br) {
-                       if (!strcmp(isa_dev->prom_node->name, "dma")) {
-                               struct sparc_isa_device *child =
-                                       isa_dev->child;
-
-                               while (child) {
-                                       if (!strcmp(child->prom_node->name,
-                                                   "floppy")) {
-                                               isa_dev = child;
-                                               goto isa_done;
-                                       }
-                                       child = child->next;
-                               }
-                       }
-               }
-       }
-isa_done:
-       if (!isa_dev)
-               return 0;
-
-       /* We could use DMA on devices behind the ISA bridge, but...
-        *
-        * There is a slight problem.  Normally on x86 kit the x86 processor
-        * delays I/O port instructions when the ISA bus "dma in progress"
-        * signal is active.  Well, sparc64 systems do not monitor this
-        * signal thus we would need to block all I/O port accesses in software
-        * when a dma transfer is active for some device.
-        */
-
-       sun_fdc = (struct sun_flpy_controller *)isa_dev->resource.start;
-       FLOPPY_IRQ = isa_dev->irq;
-
-       sun_fdops.fd_inb = sun_pci_fd_inb;
-       sun_fdops.fd_outb = sun_pci_fd_outb;
-
-       can_use_virtual_dma = use_virtual_dma = 1;
-       sun_fdops.fd_enable_dma = sun_fd_enable_dma;
-       sun_fdops.fd_disable_dma = sun_fd_disable_dma;
-       sun_fdops.fd_set_dma_mode = sun_fd_set_dma_mode;
-       sun_fdops.fd_set_dma_addr = sun_fd_set_dma_addr;
-       sun_fdops.fd_set_dma_count = sun_fd_set_dma_count;
-       sun_fdops.get_dma_residue = sun_get_dma_residue;
-
-       sun_fdops.fd_request_irq = sun_fd_request_irq;
-       sun_fdops.fd_free_irq = sun_fd_free_irq;
-
-       /* Floppy eject is manual.   Actually, could determine this
-        * via presence of 'manual' property in OBP node.
-        */
-       sun_fdops.fd_eject = sun_pci_fd_eject;
-
-        fdc_status = (unsigned long) &sun_fdc->status_82077;
-       FLOPPY_MOTOR_MASK = 0xf0;
-
-       allowed_drive_mask = 0;
-       sun_floppy_types[0] = 0;
-       sun_floppy_types[1] = 4;
-
-       sun_pci_broken_drive = 1;
-       sun_fdops.fd_outb = sun_pci_fd_broken_outb;
-
-       return sun_floppy_types[0];
-}
-#endif /* ISA_FLOPPY_WORKS */
-
-#endif
-
 static unsigned long __init sun_floppy_init(void)
 {
        char state[128];
@@ -661,7 +581,7 @@ static unsigned long __init sun_floppy_init(void)
                struct linux_ebus_device *edev = NULL;
                unsigned long config = 0;
                void __iomem *auxio_reg;
-               char *state_prop;
+               const char *state_prop;
 
                for_each_ebus(ebus) {
                        for_each_ebusdev(edev, ebus) {
@@ -670,13 +590,8 @@ static unsigned long __init sun_floppy_init(void)
                        }
                }
        ebus_done:
-               if (!edev) {
-#ifdef ISA_FLOPPY_WORKS
-                       return isa_floppy_init();
-#else
+               if (!edev)
                        return 0;
-#endif
-               }
 
                state_prop = of_get_property(edev->prom_node, "status", NULL);
                if (state_prop && !strncmp(state_prop, "disabled", 8))
@@ -729,7 +644,6 @@ static unsigned long __init sun_floppy_init(void)
                sun_fdops.fd_eject = sun_pci_fd_eject;
 
                fdc_status = (unsigned long) &sun_fdc->status_82077;
-               FLOPPY_MOTOR_MASK = 0xf0;
 
                /*
                 * XXX: Find out on which machines this is really needed.
@@ -854,4 +768,15 @@ static unsigned long __init sun_floppy_init(void)
 
 #define EXTRA_FLOPPY_PARAMS
 
+static DEFINE_SPINLOCK(dma_spin_lock);
+
+#define claim_dma_lock() \
+({     unsigned long flags; \
+       spin_lock_irqsave(&dma_spin_lock, flags); \
+       flags; \
+})
+
+#define release_dma_lock(__flags) \
+       spin_unlock_irqrestore(&dma_spin_lock, __flags);
+
 #endif /* !(__ASM_SPARC64_FLOPPY_H) */