patch-2.3.17 linux/include/asm-m68k/dvma.h

• Lines: 31
• Date: Sat Sep 4 13:06:41 1999
• Orig file: v2.3.16/linux/include/asm-m68k/dvma.h
• Orig date: Tue May 11 09:57:14 1999

diff -u --recursive --new-file v2.3.16/linux/include/asm-m68k/dvma.h linux/include/asm-m68k/dvma.h
@@ -9,6 +9,23 @@
 #ifndef __M68K_DVMA_H
 #define __M68K_DVMA_H
 
+#ifdef CONFIG_SUN3
+/* sun3 dvma page support */
+
+/* memory and pmegs reserved for dvma */
+#define DVMA_PMEG_START 10
+#define DVMA_PMEG_END 16
+#define DVMA_START 0xff00000
+#define DVMA_END 0xffe0000
+#define DVMA_SIZE (DVMA_END-DVMA_START)
+
+/* virt <-> phys conversions */
+#define sun3_dvma_vtop(x) ((unsigned long)(x) & 0xffffff)
+#define sun3_dvma_ptov(x) ((unsigned long)(x) | 0xf000000)
+	
+void *sun3_dvma_malloc(int len);
+#else /* Sun3x */
+
 /* Structure to describe the current status of DMA registers on the Sparc */
 struct sparc_dma_registers {
   __volatile__ unsigned long cond_reg;	/* DMA condition register */
@@ -161,5 +178,5 @@
 
 extern unsigned long dvma_alloc (unsigned long, unsigned long);
 extern void dvma_free (unsigned long, unsigned long);
-
+#endif /* !CONFIG_SUN3 */
 #endif /* !(__M68K_DVMA_H) */