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Diffstat (limited to 'arch/mips/include/asm/mach-generic/floppy.h')
-rw-r--r--arch/mips/include/asm/mach-generic/floppy.h139
1 files changed, 139 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-generic/floppy.h b/arch/mips/include/asm/mach-generic/floppy.h
new file mode 100644
index 000000000000..001a8ce17c17
--- /dev/null
+++ b/arch/mips/include/asm/mach-generic/floppy.h
@@ -0,0 +1,139 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1996, 1997, 1998, 2003 by Ralf Baechle
+ */
+#ifndef __ASM_MACH_GENERIC_FLOPPY_H
+#define __ASM_MACH_GENERIC_FLOPPY_H
+
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/sched.h>
+#include <linux/linkage.h>
+#include <linux/types.h>
+#include <linux/mm.h>
+
+#include <asm/bootinfo.h>
+#include <asm/cachectl.h>
+#include <asm/dma.h>
+#include <asm/floppy.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/pgtable.h>
+
+/*
+ * How to access the FDC's registers.
+ */
+static inline unsigned char fd_inb(unsigned int port)
+{
+ return inb_p(port);
+}
+
+static inline void fd_outb(unsigned char value, unsigned int port)
+{
+ outb_p(value, port);
+}
+
+/*
+ * How to access the floppy DMA functions.
+ */
+static inline void fd_enable_dma(void)
+{
+ enable_dma(FLOPPY_DMA);
+}
+
+static inline void fd_disable_dma(void)
+{
+ disable_dma(FLOPPY_DMA);
+}
+
+static inline int fd_request_dma(void)
+{
+ return request_dma(FLOPPY_DMA, "floppy");
+}
+
+static inline void fd_free_dma(void)
+{
+ free_dma(FLOPPY_DMA);
+}
+
+static inline void fd_clear_dma_ff(void)
+{
+ clear_dma_ff(FLOPPY_DMA);
+}
+
+static inline void fd_set_dma_mode(char mode)
+{
+ set_dma_mode(FLOPPY_DMA, mode);
+}
+
+static inline void fd_set_dma_addr(char *addr)
+{
+ set_dma_addr(FLOPPY_DMA, (unsigned long) addr);
+}
+
+static inline void fd_set_dma_count(unsigned int count)
+{
+ set_dma_count(FLOPPY_DMA, count);
+}
+
+static inline int fd_get_dma_residue(void)
+{
+ return get_dma_residue(FLOPPY_DMA);
+}
+
+static inline void fd_enable_irq(void)
+{
+ enable_irq(FLOPPY_IRQ);
+}
+
+static inline void fd_disable_irq(void)
+{
+ disable_irq(FLOPPY_IRQ);
+}
+
+static inline int fd_request_irq(void)
+{
+ return request_irq(FLOPPY_IRQ, floppy_interrupt,
+ IRQF_DISABLED, "floppy", NULL);
+}
+
+static inline void fd_free_irq(void)
+{
+ free_irq(FLOPPY_IRQ, NULL);
+}
+
+#define fd_free_irq() free_irq(FLOPPY_IRQ, NULL);
+
+
+static inline unsigned long fd_getfdaddr1(void)
+{
+ return 0x3f0;
+}
+
+static inline unsigned long fd_dma_mem_alloc(unsigned long size)
+{
+ unsigned long mem;
+
+ mem = __get_dma_pages(GFP_KERNEL, get_order(size));
+
+ return mem;
+}
+
+static inline void fd_dma_mem_free(unsigned long addr, unsigned long size)
+{
+ free_pages(addr, get_order(size));
+}
+
+static inline unsigned long fd_drive_type(unsigned long n)
+{
+ if (n == 0)
+ return 4; /* 3,5", 1.44mb */
+
+ return 0;
+}
+
+#endif /* __ASM_MACH_GENERIC_FLOPPY_H */