change otg to host mode

hc

2024-05-11 04dd17822334871b23ea2862f7798fb0e0007777

 kernel/arch/x86/include/asm/floppy.h
..
..
@@ -31,8 +31,8 @@
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 #define CSW fd_routine[can_use_virtual_dma & 1]
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-#define fd_inb(port)		inb_p(port)
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-#define fd_outb(value, port)	outb_p(value, port)
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+#define fd_inb(base, reg)		inb_p((base) + (reg))
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+#define fd_outb(value, base, reg)	outb_p(value, (base) + (reg))
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 #define fd_request_dma()	CSW._request_dma(FLOPPY_DMA, "floppy")
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 #define fd_free_dma()		CSW._free_dma(FLOPPY_DMA)
..
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@@ -77,25 +77,26 @@
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 		st = 1;
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 		for (lcount = virtual_dma_count, lptr = virtual_dma_addr;
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 		     lcount; lcount--, lptr++) {
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-			st = inb(virtual_dma_port + 4) & 0xa0;
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-			if (st != 0xa0)
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+			st = inb(virtual_dma_port + FD_STATUS);
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+			st &= STATUS_DMA | STATUS_READY;
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+			if (st != (STATUS_DMA | STATUS_READY))
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 				break;
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 			if (virtual_dma_mode)
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-				outb_p(*lptr, virtual_dma_port + 5);
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+				outb_p(*lptr, virtual_dma_port + FD_DATA);
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 			else
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-				*lptr = inb_p(virtual_dma_port + 5);
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+				*lptr = inb_p(virtual_dma_port + FD_DATA);
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 		}
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 		virtual_dma_count = lcount;
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 		virtual_dma_addr = lptr;
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-		st = inb(virtual_dma_port + 4);
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+		st = inb(virtual_dma_port + FD_STATUS);
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 	}
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 #ifdef TRACE_FLPY_INT
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 	calls++;
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 #endif
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-	if (st == 0x20)
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+	if (st == STATUS_DMA)
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 		return IRQ_HANDLED;
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-	if (!(st & 0x20)) {
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+	if (!(st & STATUS_DMA)) {
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 		virtual_dma_residue += virtual_dma_count;
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 		virtual_dma_count = 0;
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 #ifdef TRACE_FLPY_INT