55 #define fd_dma_setup(addr, size, mode, io) SW._dma_setup(addr, size, mode, io)  argument
180 static void _fd_dma_mem_free(unsigned long addr, unsigned long size)  in _fd_dma_mem_free()  argument
182 	if((unsigned int) addr >= (unsigned int) high_memory)  in _fd_dma_mem_free()
183 		return vfree((void *)addr);  in _fd_dma_mem_free()
185 		free_pages(addr, get_order(size));		  in _fd_dma_mem_free()
188 #define fd_dma_mem_free(addr, size)  _fd_dma_mem_free(addr, size)   argument
190 static void _fd_chose_dma_mode(char *addr, unsigned long size)  in _fd_chose_dma_mode()  argument
193 		if((unsigned int) addr >= (unsigned int) high_memory ||  in _fd_chose_dma_mode()
194 		   virt_to_bus(addr) >= 0x1000000 ||  in _fd_chose_dma_mode()
195 		   _CROSS_64KB(addr, size, 0))  in _fd_chose_dma_mode()
204 #define fd_chose_dma_mode(addr, size) _fd_chose_dma_mode(addr, size)  argument
207 static int vdma_dma_setup(char *addr, unsigned long size, int mode, int io)  in vdma_dma_setup()  argument
212 	virtual_dma_addr = addr;  in vdma_dma_setup()
218 static int hard_dma_setup(char *addr, unsigned long size, int mode, int io)  in hard_dma_setup()  argument
221 	if (CROSS_64KB(addr, size)) {  in hard_dma_setup()
222 		printk("DMA crossing 64-K boundary %p-%p\n", addr, addr+size);  in hard_dma_setup()
230 	set_dma_addr(FLOPPY_DMA,virt_to_bus(addr));  in hard_dma_setup()
241 	int (*_dma_setup)(char *addr, unsigned long size, int mode, int io);