Cross Reference: /src/sys/arch/atari/dev/fd.c

Lines Matching refs:DMA
32  * The ST floppy disk controller shares the access to the DMA circuitry
34  * use of some special DMA accessing code.
36  * Interrupts from the FDC are in fact DMA interrupts which get their
37  * first level handling in 'dma.c' . If the floppy driver is currently
38  * using DMA the interrupt is signalled to 'fdcint'.
68 #include <machine/dma.h>
81 #define	FDC_MAX_DMA_AD	0x1000000	/* No DMA possible beyond	*/
125 static int	lock_stat = 0;		/* DMA locking status		*/
231 	DMA->dma_mode = regno;
232 	return DMA->dma_data;
239 	DMA->dma_mode = regno;
240 	DMA->dma_data = val;
247 	DMA->dma_mode = FDC_CS | DMA_SCREG;
248 	return DMA->dma_stat;
665  * Called through DMA-dispatcher, get status.
680  * Called through the DMA-dispatcher. So we know we are the only ones
706  * the DMA-resources. Call biodone() to finish the transaction.
717 	 * Give others a chance to use the DMA.
789 		DMA->dma_drvmode = 0;
792 		DMA->dma_drvmode = (FDC_HDSET|FDC_HDSIG);
810 	DMA->dma_drvmode   = 0;
927 	st_dmaaddr_set((void *)phys_addr);	/* DMA address setup */
1071 		 * Test for DMA error
1075 			fd_error = "DMA error";
1091 		 * Test for DMA error
1095 			fd_error = "DMA error";
1230  * DMA controller is needed to read the FDC-status register. The function
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