Beispiel #1
0
int fastlane_esp_release(struct Scsi_Host *instance)
{
#ifdef MODULE
	unsigned long address = (unsigned long)((struct NCR_ESP *)instance->hostdata)->edev;
	esp_deallocate((struct NCR_ESP *)instance->hostdata);
	esp_release();
	release_mem_region(address, sizeof(struct ESP_regs));
	free_irq(IRQ_AMIGA_PORTS, esp_intr);
#endif
	return 1;
}
/***************************************************************** Detection */
int __init cyberII_esp_detect(Scsi_Host_Template *tpnt)
{
	struct NCR_ESP *esp;
	struct zorro_dev *z = NULL;
	unsigned long address;
	struct ESP_regs *eregs;

	if ((z = zorro_find_device(ZORRO_PROD_PHASE5_CYBERSTORM_MK_II, z))) {
	    unsigned long board = z->resource.start;
	    if (request_mem_region(board+CYBERII_ESP_ADDR,
				   sizeof(struct ESP_regs), "NCR53C9x")) {
		/* Do some magic to figure out if the CyberStorm Mk II
		 * is equipped with a SCSI controller
		 */
		address = (unsigned long)ZTWO_VADDR(board);
		eregs = (struct ESP_regs *)(address + CYBERII_ESP_ADDR);

		esp = esp_allocate(tpnt, (void *)board+CYBERII_ESP_ADDR);

		esp_write(eregs->esp_cfg1, (ESP_CONFIG1_PENABLE | 7));
		udelay(5);
		if(esp_read(eregs->esp_cfg1) != (ESP_CONFIG1_PENABLE | 7)) {
			esp_deallocate(esp);
			scsi_unregister(esp->ehost);
			release_mem_region(board+CYBERII_ESP_ADDR,
					   sizeof(struct ESP_regs));
			return 0; /* Bail out if address did not hold data */
		}

		/* Do command transfer with programmed I/O */
		esp->do_pio_cmds = 1;

		/* Required functions */
		esp->dma_bytes_sent = &dma_bytes_sent;
		esp->dma_can_transfer = &dma_can_transfer;
		esp->dma_dump_state = &dma_dump_state;
		esp->dma_init_read = &dma_init_read;
		esp->dma_init_write = &dma_init_write;
		esp->dma_ints_off = &dma_ints_off;
		esp->dma_ints_on = &dma_ints_on;
		esp->dma_irq_p = &dma_irq_p;
		esp->dma_ports_p = &dma_ports_p;
		esp->dma_setup = &dma_setup;

		/* Optional functions */
		esp->dma_barrier = 0;
		esp->dma_drain = 0;
		esp->dma_invalidate = 0;
		esp->dma_irq_entry = 0;
		esp->dma_irq_exit = 0;
		esp->dma_led_on = &dma_led_on;
		esp->dma_led_off = &dma_led_off;
		esp->dma_poll = 0;
		esp->dma_reset = 0;

		/* SCSI chip speed */
		esp->cfreq = 40000000;

		/* The DMA registers on the CyberStorm are mapped
		 * relative to the device (i.e. in the same Zorro
		 * I/O block).
		 */
		esp->dregs = (void *)(address + CYBERII_DMA_ADDR);

		/* ESP register base */
		esp->eregs = eregs;
		
		/* Set the command buffer */
		esp->esp_command = cmd_buffer;
		esp->esp_command_dvma = virt_to_bus((void *)cmd_buffer);

		esp->irq = IRQ_AMIGA_PORTS;
		request_irq(IRQ_AMIGA_PORTS, esp_intr, SA_SHIRQ,
			    "CyberStorm SCSI Mk II", esp_intr);

		/* Figure out our scsi ID on the bus */
		esp->scsi_id = 7;
		
		/* We don't have a differential SCSI-bus. */
		esp->diff = 0;

		esp_initialize(esp);

		printk("ESP: Total of %d ESP hosts found, %d actually in use.\n", nesps, esps_in_use);
		esps_running = esps_in_use;
		return esps_in_use;
	    }
	}
	return 0;
}
Beispiel #3
0
/***************************************************************** Detection */
int __init blz1230_esp_detect(Scsi_Host_Template *tpnt)
{
	struct NCR_ESP *esp;
	struct zorro_dev *z = NULL;
	unsigned long address;
	struct ESP_regs *eregs;
	unsigned long board;

#if MKIV
#define REAL_BLZ1230_ID		ZORRO_PROD_PHASE5_BLIZZARD_1230_IV_1260
#define REAL_BLZ1230_ESP_ADDR	BLZ1230_ESP_ADDR
#define REAL_BLZ1230_DMA_ADDR	BLZ1230_DMA_ADDR
#else
#define REAL_BLZ1230_ID		ZORRO_PROD_PHASE5_BLIZZARD_1230_II_FASTLANE_Z3_CYBERSCSI_CYBERSTORM060
#define REAL_BLZ1230_ESP_ADDR	BLZ1230II_ESP_ADDR
#define REAL_BLZ1230_DMA_ADDR	BLZ1230II_DMA_ADDR
#endif

	if ((z = zorro_find_device(REAL_BLZ1230_ID, z))) {
	    board = z->resource.start;
	    if (request_mem_region(board+REAL_BLZ1230_ESP_ADDR,
				   sizeof(struct ESP_regs), "NCR53C9x")) {
		/* Do some magic to figure out if the blizzard is
		 * equipped with a SCSI controller
		 */
		address = ZTWO_VADDR(board);
		eregs = (struct ESP_regs *)(address + REAL_BLZ1230_ESP_ADDR);
		esp = esp_allocate(tpnt, (void *)board+REAL_BLZ1230_ESP_ADDR);

		esp_write(eregs->esp_cfg1, (ESP_CONFIG1_PENABLE | 7));
		udelay(5);
		if(esp_read(eregs->esp_cfg1) != (ESP_CONFIG1_PENABLE | 7))
			goto err_out;

		/* Do command transfer with programmed I/O */
		esp->do_pio_cmds = 1;

		/* Required functions */
		esp->dma_bytes_sent = &dma_bytes_sent;
		esp->dma_can_transfer = &dma_can_transfer;
		esp->dma_dump_state = &dma_dump_state;
		esp->dma_init_read = &dma_init_read;
		esp->dma_init_write = &dma_init_write;
		esp->dma_ints_off = &dma_ints_off;
		esp->dma_ints_on = &dma_ints_on;
		esp->dma_irq_p = &dma_irq_p;
		esp->dma_ports_p = &dma_ports_p;
		esp->dma_setup = &dma_setup;

		/* Optional functions */
		esp->dma_barrier = 0;
		esp->dma_drain = 0;
		esp->dma_invalidate = 0;
		esp->dma_irq_entry = 0;
		esp->dma_irq_exit = 0;
		esp->dma_led_on = 0;
		esp->dma_led_off = 0;
		esp->dma_poll = 0;
		esp->dma_reset = 0;

		/* SCSI chip speed */
		esp->cfreq = 40000000;

		/* The DMA registers on the Blizzard are mapped
		 * relative to the device (i.e. in the same Zorro
		 * I/O block).
		 */
		esp->dregs = (void *)(address + REAL_BLZ1230_DMA_ADDR);
	
		/* ESP register base */
		esp->eregs = eregs;

		/* Set the command buffer */
		esp->esp_command = cmd_buffer;
		esp->esp_command_dvma = virt_to_bus((void *)cmd_buffer);

		esp->irq = IRQ_AMIGA_PORTS;
		esp->slot = board+REAL_BLZ1230_ESP_ADDR;
		if (request_irq(IRQ_AMIGA_PORTS, esp_intr, SA_SHIRQ,
				 "Blizzard 1230 SCSI IV", esp->ehost))
			goto err_out;

		/* Figure out our scsi ID on the bus */
		esp->scsi_id = 7;
		
		/* We don't have a differential SCSI-bus. */
		esp->diff = 0;

		esp_initialize(esp);

		printk("ESP: Total of %d ESP hosts found, %d actually in use.\n", nesps, esps_in_use);
		esps_running = esps_in_use;
		return esps_in_use;
	    }
	}
	return 0;
 
 err_out:
	scsi_unregister(esp->ehost);
	esp_deallocate(esp);
	release_mem_region(board+REAL_BLZ1230_ESP_ADDR,
			   sizeof(struct ESP_regs));
	return 0;
}
Beispiel #4
0
/* Detecting ESP chips on the machine.  This is the simple and easy
 * version.
 */
int sun3x_esp_detect(struct scsi_host_template *tpnt)
{
	struct NCR_ESP *esp;
	struct ConfigDev *esp_dev;

	esp_dev = 0;
	esp = esp_allocate(tpnt, (void *) esp_dev);

	/* Do command transfer with DMA */
	esp->do_pio_cmds = 0;

	/* Required functions */
	esp->dma_bytes_sent = &dma_bytes_sent;
	esp->dma_can_transfer = &dma_can_transfer;
	esp->dma_dump_state = &dma_dump_state;
	esp->dma_init_read = &dma_init_read;
	esp->dma_init_write = &dma_init_write;
	esp->dma_ints_off = &dma_ints_off;
	esp->dma_ints_on = &dma_ints_on;
	esp->dma_irq_p = &dma_irq_p;
	esp->dma_ports_p = &dma_ports_p;
	esp->dma_setup = &dma_setup;

	/* Optional functions */
	esp->dma_barrier = &dma_barrier;
	esp->dma_invalidate = &dma_invalidate;
	esp->dma_drain = &dma_drain;
	esp->dma_irq_entry = 0;
	esp->dma_irq_exit = 0;
	esp->dma_led_on = 0;
	esp->dma_led_off = 0;
	esp->dma_poll = &dma_poll;
	esp->dma_reset = &dma_reset;

        /* virtual DMA functions */
        esp->dma_mmu_get_scsi_one = &dma_mmu_get_scsi_one;
        esp->dma_mmu_get_scsi_sgl = &dma_mmu_get_scsi_sgl;
        esp->dma_mmu_release_scsi_one = &dma_mmu_release_scsi_one;
        esp->dma_mmu_release_scsi_sgl = &dma_mmu_release_scsi_sgl;
        esp->dma_advance_sg = &dma_advance_sg;
	    
	/* SCSI chip speed */
	esp->cfreq = 20000000;
	esp->eregs = (struct ESP_regs *)(SUN3X_ESP_BASE);
	esp->dregs = (void *)SUN3X_ESP_DMA;

	esp->esp_command = (volatile unsigned char *)dvma_malloc(DVMA_PAGE_SIZE);
	esp->esp_command_dvma = dvma_vtob((unsigned long)esp->esp_command);

	esp->irq = 2;
	if (request_irq(esp->irq, esp_intr, SA_INTERRUPT, 
			"SUN3X SCSI", esp->ehost)) {
		esp_deallocate(esp);
		return 0;
	}

	esp->scsi_id = 7;
	esp->diff = 0;

	esp_initialize(esp);

 	/* for reasons beyond my knowledge (and which should likely be fixed)
 	   sync mode doesn't work on a 3/80 at 5mhz.  but it does at 4. */
 	esp->sync_defp = 0x3f;

	printk("ESP: Total of %d ESP hosts found, %d actually in use.\n", nesps,
	       esps_in_use);
	esps_running = esps_in_use;
	return esps_in_use;
}