Ejemplo n.º 1
0
void mca_write_pos(int slot, int reg, unsigned char byte)
{
    struct mca_device *mca_dev = mca_find_device_by_slot(slot);

    if(!mca_dev)
        return;

    mca_device_write_pos(mca_dev, reg, byte);
}
Ejemplo n.º 2
0
/* Detect a D700 card.  Note, because of the setup --- the chips are
 * essentially connectecd to the MCA bus independently, it is easier
 * to set them up as two separate host adapters, rather than one
 * adapter with two channels */
static int __devinit
NCR_D700_probe(struct device *dev)
{
	struct NCR_D700_private *p;
	int differential;
	static int banner = 1;
	struct mca_device *mca_dev = to_mca_device(dev);
	int slot = mca_dev->slot;
	int found = 0;
	int irq, i;
	int pos3j, pos3k, pos3a, pos3b, pos4;
	__u32 base_addr, offset_addr;

	/* enable board interrupt */
	pos4 = mca_device_read_pos(mca_dev, 4);
	pos4 |= 0x4;
	mca_device_write_pos(mca_dev, 4, pos4);

	mca_device_write_pos(mca_dev, 6, 9);
	pos3j = mca_device_read_pos(mca_dev, 3);
	mca_device_write_pos(mca_dev, 6, 10);
	pos3k = mca_device_read_pos(mca_dev, 3);
	mca_device_write_pos(mca_dev, 6, 0);
	pos3a = mca_device_read_pos(mca_dev, 3);
	mca_device_write_pos(mca_dev, 6, 1);
	pos3b = mca_device_read_pos(mca_dev, 3);

	base_addr = ((pos3j << 8) | pos3k) & 0xfffffff0;
	offset_addr = ((pos3a << 8) | pos3b) & 0xffffff70;

	irq = (pos4 & 0x3) + 11;
	if(irq >= 13)
		irq++;
	if(banner) {
//		printk(KERN_NOTICE "NCR D700: Driver Version " NCR_D700_VERSION "\n"
//		       "NCR D700:  Copyright (c) 2001 by [email protected]\n"
;
		banner = 0;
	}
	/* now do the bus related transforms */
	irq = mca_device_transform_irq(mca_dev, irq);
	base_addr = mca_device_transform_ioport(mca_dev, base_addr);
	offset_addr = mca_device_transform_ioport(mca_dev, offset_addr);

;

	/*outb(BOARD_RESET, base_addr);*/

	/* clear any pending interrupts */
	(void)inb(base_addr + 0x08);
	/* get modctl, used later for setting diff bits */
	switch(differential = (inb(base_addr + 0x08) >> 6)) {
	case 0x00:
		/* only SIOP1 differential */
		differential = 0x02;
		break;
	case 0x01:
		/* Both SIOPs differential */
		differential = 0x03;
		break;
	case 0x03:
		/* No SIOPs differential */
		differential = 0x00;
		break;
	default:
//		printk(KERN_ERR "D700: UNEXPECTED DIFFERENTIAL RESULT 0x%02x\n",
;
		differential = 0x00;
		break;
	}

	p = kzalloc(sizeof(*p), GFP_KERNEL);
	if (!p)
		return -ENOMEM;

	p->dev = dev;
	snprintf(p->name, sizeof(p->name), "D700(%s)", dev_name(dev));
	if (request_irq(irq, NCR_D700_intr, IRQF_SHARED, p->name, p)) {
;
		kfree(p);
		return -EBUSY;
	}
	/* plumb in both 700 chips */
	for (i = 0; i < 2; i++) {
		int err;

		if ((err = NCR_D700_probe_one(p, i, irq, slot,
					      offset_addr + (0x80 * i),
					      differential)) != 0)
//			printk("D700: SIOP%d: probe failed, error = %d\n",
;
		else
			found++;
	}

	if (!found) {
		kfree(p);
		return -ENODEV;
	}

	mca_device_set_claim(mca_dev, 1);
	mca_device_set_name(mca_dev, "NCR_D700");
	dev_set_drvdata(dev, p);
	return 0;
}
Ejemplo n.º 3
0
static int __devinit
NCR_D700_probe(struct device *dev)
{
	struct NCR_D700_private *p;
	int differential;
	static int banner = 1;
	struct mca_device *mca_dev = to_mca_device(dev);
	int slot = mca_dev->slot;
	int found = 0;
	int irq, i;
	int pos3j, pos3k, pos3a, pos3b, pos4;
	__u32 base_addr, offset_addr;

	
	pos4 = mca_device_read_pos(mca_dev, 4);
	pos4 |= 0x4;
	mca_device_write_pos(mca_dev, 4, pos4);

	mca_device_write_pos(mca_dev, 6, 9);
	pos3j = mca_device_read_pos(mca_dev, 3);
	mca_device_write_pos(mca_dev, 6, 10);
	pos3k = mca_device_read_pos(mca_dev, 3);
	mca_device_write_pos(mca_dev, 6, 0);
	pos3a = mca_device_read_pos(mca_dev, 3);
	mca_device_write_pos(mca_dev, 6, 1);
	pos3b = mca_device_read_pos(mca_dev, 3);

	base_addr = ((pos3j << 8) | pos3k) & 0xfffffff0;
	offset_addr = ((pos3a << 8) | pos3b) & 0xffffff70;

	irq = (pos4 & 0x3) + 11;
	if(irq >= 13)
		irq++;
	if(banner) {
		printk(KERN_NOTICE "NCR D700: Driver Version " NCR_D700_VERSION "\n"
		       "NCR D700:  Copyright (c) 2001 by [email protected]\n"
		       "NCR D700:\n");
		banner = 0;
	}
	
	irq = mca_device_transform_irq(mca_dev, irq);
	base_addr = mca_device_transform_ioport(mca_dev, base_addr);
	offset_addr = mca_device_transform_ioport(mca_dev, offset_addr);

	printk(KERN_NOTICE "NCR D700: found in slot %d  irq = %d  I/O base = 0x%x\n", slot, irq, offset_addr);

	

	
	(void)inb(base_addr + 0x08);
	
	switch(differential = (inb(base_addr + 0x08) >> 6)) {
	case 0x00:
		
		differential = 0x02;
		break;
	case 0x01:
		
		differential = 0x03;
		break;
	case 0x03:
		
		differential = 0x00;
		break;
	default:
		printk(KERN_ERR "D700: UNEXPECTED DIFFERENTIAL RESULT 0x%02x\n",
		       differential);
		differential = 0x00;
		break;
	}

	p = kzalloc(sizeof(*p), GFP_KERNEL);
	if (!p)
		return -ENOMEM;

	p->dev = dev;
	snprintf(p->name, sizeof(p->name), "D700(%s)", dev_name(dev));
	if (request_irq(irq, NCR_D700_intr, IRQF_SHARED, p->name, p)) {
		printk(KERN_ERR "D700: request_irq failed\n");
		kfree(p);
		return -EBUSY;
	}
	
	for (i = 0; i < 2; i++) {
		int err;

		if ((err = NCR_D700_probe_one(p, i, irq, slot,
					      offset_addr + (0x80 * i),
					      differential)) != 0)
			printk("D700: SIOP%d: probe failed, error = %d\n",
			       i, err);
		else
			found++;
	}

	if (!found) {
		kfree(p);
		return -ENODEV;
	}

	mca_device_set_claim(mca_dev, 1);
	mca_device_set_name(mca_dev, "NCR_D700");
	dev_set_drvdata(dev, p);
	return 0;
}