26 extern struct NCR_ESP *espchain;
28 static void dma_barrier(struct NCR_ESP *esp);
29 static int  dma_bytes_sent(struct NCR_ESP *esp, int fifo_count);
30 static int  dma_can_transfer(struct NCR_ESP *esp, Scsi_Cmnd *sp);
31 static void dma_drain(struct NCR_ESP *esp);
32 static void dma_invalidate(struct NCR_ESP *esp);
33 static void dma_dump_state(struct NCR_ESP *esp);
34 static void dma_init_read(struct NCR_ESP *esp, __u32 vaddress, int length);
35 static void dma_init_write(struct NCR_ESP *esp, __u32 vaddress, int length);
36 static void dma_ints_off(struct NCR_ESP *esp);
37 static void dma_ints_on(struct NCR_ESP *esp);
38 static int  dma_irq_p(struct NCR_ESP *esp);
39 static void dma_poll(struct NCR_ESP *esp, unsigned char *vaddr);
40 static int  dma_ports_p(struct NCR_ESP *esp);
41 static void dma_reset(struct NCR_ESP *esp);
42 static void dma_setup(struct NCR_ESP *esp, __u32 addr, int count, int write);
43 static void dma_mmu_get_scsi_one (struct NCR_ESP *esp, Scsi_Cmnd *sp);
44 static void dma_mmu_get_scsi_sgl (struct NCR_ESP *esp, Scsi_Cmnd *sp);
45 static void dma_mmu_release_scsi_one (struct NCR_ESP *esp, Scsi_Cmnd *sp);
46 static void dma_mmu_release_scsi_sgl (struct NCR_ESP *esp, Scsi_Cmnd *sp);
61 	struct NCR_ESP *esp;  in sun3x_esp_detect()
136 static void dma_do_drain(struct NCR_ESP *esp)  in dma_do_drain()
163 static void dma_barrier(struct NCR_ESP *esp)  in dma_barrier()
182 static int dma_bytes_sent(struct NCR_ESP *esp, int fifo_count)  in dma_bytes_sent()
192 static int dma_can_transfer(struct NCR_ESP *esp, Scsi_Cmnd *sp)  in dma_can_transfer()
197 static void dma_drain(struct NCR_ESP *esp)  in dma_drain()
214 static void dma_invalidate(struct NCR_ESP *esp)  in dma_invalidate()
234 static void dma_dump_state(struct NCR_ESP *esp)  in dma_dump_state()
243 static void dma_init_read(struct NCR_ESP *esp, __u32 vaddress, int length)  in dma_init_read()
252 static void dma_init_write(struct NCR_ESP *esp, __u32 vaddress, int length)  in dma_init_write()
263 static void dma_ints_off(struct NCR_ESP *esp)  in dma_ints_off()
268 static void dma_ints_on(struct NCR_ESP *esp)  in dma_ints_on()
273 static int dma_irq_p(struct NCR_ESP *esp)  in dma_irq_p()
278 static void dma_poll(struct NCR_ESP *esp, unsigned char *vaddr)  in dma_poll()
297 static int dma_ports_p(struct NCR_ESP *esp)  in dma_ports_p()
304 static void dma_reset(struct NCR_ESP *esp)  in dma_reset()
315 static void dma_setup(struct NCR_ESP *esp, __u32 addr, int count, int write)  in dma_setup()
337 static void dma_mmu_get_scsi_one (struct NCR_ESP *esp, Scsi_Cmnd *sp)  in dma_mmu_get_scsi_one()
344 static void dma_mmu_get_scsi_sgl (struct NCR_ESP *esp, Scsi_Cmnd *sp)  in dma_mmu_get_scsi_sgl()
356 static void dma_mmu_release_scsi_one (struct NCR_ESP *esp, Scsi_Cmnd *sp)  in dma_mmu_release_scsi_one()
361 static void dma_mmu_release_scsi_sgl (struct NCR_ESP *esp, Scsi_Cmnd *sp)  in dma_mmu_release_scsi_sgl()