atp870u.c

来自「linux 内核源代码」· C语言 代码 · 共 2,946 行 · 第 1/5 页

		tmport -= 0x08;
		k = inb(tmport);
		if (k != 0x16) {
			if ((k == 0x85) || (k == 0x42)) {
				continue;
			}
			tmport = dev->ioport[0] + 0x10;
			outb(0x41, tmport);
			goto wait_rdyok;
		}
		assignid_map |= m;

	}
	tmport = dev->ioport[0] + 0x02;
	outb(0x7f, tmport);
	tmport = dev->ioport[0] + 0x1b;
	outb(0x02, tmport);

	outb(0, 0x80);

	val = 0x0080;		/* bsy  */
	tmport = dev->ioport[0] + 0x1c;
	outw(val, tmport);
	val |= 0x0040;		/* sel  */
	outw(val, tmport);
	val |= 0x0004;		/* msg  */
	outw(val, tmport);
	inb(0x80);		/* 2 deskew delay(45ns*2=90ns) */
	val &= 0x007f;		/* no bsy  */
	outw(val, tmport);
	mdelay(128);
	val &= 0x00fb;		/* after 1ms no msg */
	outw(val, tmport);
wait_nomsg:
	if ((inb(tmport) & 0x04) != 0) {
		goto wait_nomsg;
	}
	outb(1, 0x80);
	udelay(100);
	for (n = 0; n < 0x30000; n++) {
		if ((inb(tmport) & 0x80) != 0) {	/* bsy ? */
			goto wait_io;
		}
	}
	goto TCM_SYNC;
wait_io:
	for (n = 0; n < 0x30000; n++) {
		if ((inb(tmport) & 0x81) == 0x0081) {
			goto wait_io1;
		}
	}
	goto TCM_SYNC;
wait_io1:
	inb(0x80);
	val |= 0x8003;		/* io,cd,db7  */
	outw(val, tmport);
	inb(0x80);
	val &= 0x00bf;		/* no sel     */
	outw(val, tmport);
	outb(2, 0x80);
TCM_SYNC:
	udelay(0x800);
	if ((inb(tmport) & 0x80) == 0x00) {	/* bsy ? */
		outw(0, tmport--);
		outb(0, tmport);
		tmport = dev->ioport[0] + 0x15;
		outb(0, tmport);
		tmport += 0x03;
		outb(0x09, tmport);
		tmport += 0x07;
		while ((inb(tmport) & 0x80) == 0)
			cpu_relax();
		tmport -= 0x08;
		inb(tmport);
		return;
	}
	val &= 0x00ff;		/* synchronization  */
	val |= 0x3f00;
	fun_scam(dev, &val);
	outb(3, 0x80);
	val &= 0x00ff;		/* isolation        */
	val |= 0x2000;
	fun_scam(dev, &val);
	outb(4, 0x80);
	i = 8;
	j = 0;
TCM_ID:
	if ((inw(tmport) & 0x2000) == 0) {
		goto TCM_ID;
	}
	outb(5, 0x80);
	val &= 0x00ff;		/* get ID_STRING */
	val |= 0x2000;
	k = fun_scam(dev, &val);
	if ((k & 0x03) == 0) {
		goto TCM_5;
	}
	mbuf[j] <<= 0x01;
	mbuf[j] &= 0xfe;
	if ((k & 0x02) != 0) {
		mbuf[j] |= 0x01;
	}
	i--;
	if (i > 0) {
		goto TCM_ID;
	}
	j++;
	i = 8;
	goto TCM_ID;

TCM_5:			/* isolation complete..  */
/*    mbuf[32]=0;
	printk(" \n%x %x %x %s\n ",assignid_map,mbuf[0],mbuf[1],&mbuf[2]); */
	i = 15;
	j = mbuf[0];
	if ((j & 0x20) != 0) {	/* bit5=1:ID upto 7      */
		i = 7;
	}
	if ((j & 0x06) == 0) {	/* IDvalid?             */
		goto G2Q5;
	}
	k = mbuf[1];
small_id:
	m = 1;
	m <<= k;
	if ((m & assignid_map) == 0) {
		goto G2Q_QUIN;
	}
	if (k > 0) {
		k--;
		goto small_id;
	}
G2Q5:			/* srch from max acceptable ID#  */
	k = i;			/* max acceptable ID#            */
G2Q_LP:
	m = 1;
	m <<= k;
	if ((m & assignid_map) == 0) {
		goto G2Q_QUIN;
	}
	if (k > 0) {
		k--;
		goto G2Q_LP;
	}
G2Q_QUIN:		/* k=binID#,       */
	assignid_map |= m;
	if (k < 8) {
		quintet[0] = 0x38;	/* 1st dft ID<8    */
	} else {
		quintet[0] = 0x31;	/* 1st  ID>=8      */
	}
	k &= 0x07;
	quintet[1] = g2q_tab[k];

	val &= 0x00ff;		/* AssignID 1stQuintet,AH=001xxxxx  */
	m = quintet[0] << 8;
	val |= m;
	fun_scam(dev, &val);
	val &= 0x00ff;		/* AssignID 2ndQuintet,AH=001xxxxx */
	m = quintet[1] << 8;
	val |= m;
	fun_scam(dev, &val);

	goto TCM_SYNC;

}

static void is870(struct atp_unit *dev, unsigned int wkport)
{
	unsigned int tmport;
	unsigned char i, j, k, rmb, n;
	unsigned short int m;
	static unsigned char mbuf[512];
	static unsigned char satn[9] = { 0, 0, 0, 0, 0, 0, 0, 6, 6 };
	static unsigned char inqd[9] = { 0x12, 0, 0, 0, 0x24, 0, 0, 0x24, 6 };
	static unsigned char synn[6] = { 0x80, 1, 3, 1, 0x19, 0x0e };
	static unsigned char synu[6] = { 0x80, 1, 3, 1, 0x0c, 0x0e };
	static unsigned char synw[6] = { 0x80, 1, 3, 1, 0x0c, 0x07 };
	static unsigned char wide[6] = { 0x80, 1, 2, 3, 1, 0 };
	
	tmport = wkport + 0x3a;
	outb((unsigned char) (inb(tmport) | 0x10), tmport);

	for (i = 0; i < 16; i++) {
		if ((dev->chip_ver != 4) && (i > 7)) {
			break;
		}
		m = 1;
		m = m << i;
		if ((m & dev->active_id[0]) != 0) {
			continue;
		}
		if (i == dev->host_id[0]) {
			printk(KERN_INFO "         ID: %2d  Host Adapter\n", dev->host_id[0]);
			continue;
		}
		tmport = wkport + 0x1b;
		if (dev->chip_ver == 4) {
			outb(0x01, tmport);
		} else {
			outb(0x00, tmport);
		}
		tmport = wkport + 1;
		outb(0x08, tmport++);
		outb(0x7f, tmport++);
		outb(satn[0], tmport++);
		outb(satn[1], tmport++);
		outb(satn[2], tmport++);
		outb(satn[3], tmport++);
		outb(satn[4], tmport++);
		outb(satn[5], tmport++);
		tmport += 0x06;
		outb(0, tmport);
		tmport += 0x02;
		outb(dev->id[0][i].devsp, tmport++);
		outb(0, tmport++);
		outb(satn[6], tmport++);
		outb(satn[7], tmport++);
		j = i;
		if ((j & 0x08) != 0) {
			j = (j & 0x07) | 0x40;
		}
		outb(j, tmport);
		tmport += 0x03;
		outb(satn[8], tmport);
		tmport += 0x07;

		while ((inb(tmport) & 0x80) == 0x00)
			cpu_relax();

		tmport -= 0x08;
		if (inb(tmport) != 0x11 && inb(tmport) != 0x8e)
			continue;

		while (inb(tmport) != 0x8e)
			cpu_relax();

		dev->active_id[0] |= m;

		tmport = wkport + 0x10;
		outb(0x30, tmport);
		tmport = wkport + 0x04;
		outb(0x00, tmport);

phase_cmd:
		tmport = wkport + 0x18;
		outb(0x08, tmport);
		tmport += 0x07;
		while ((inb(tmport) & 0x80) == 0x00)
			cpu_relax();
		tmport -= 0x08;
		j = inb(tmport);
		if (j != 0x16) {
			tmport = wkport + 0x10;
			outb(0x41, tmport);
			goto phase_cmd;
		}
sel_ok:
		tmport = wkport + 3;
		outb(inqd[0], tmport++);
		outb(inqd[1], tmport++);
		outb(inqd[2], tmport++);
		outb(inqd[3], tmport++);
		outb(inqd[4], tmport++);
		outb(inqd[5], tmport);
		tmport += 0x07;
		outb(0, tmport);
		tmport += 0x02;
		outb(dev->id[0][i].devsp, tmport++);
		outb(0, tmport++);
		outb(inqd[6], tmport++);
		outb(inqd[7], tmport++);
		tmport += 0x03;
		outb(inqd[8], tmport);
		tmport += 0x07;

		while ((inb(tmport) & 0x80) == 0x00)
			cpu_relax();
			
		tmport -= 0x08;
		if (inb(tmport) != 0x11 && inb(tmport) != 0x8e)
			continue;

		while (inb(tmport) != 0x8e)
			cpu_relax();
			
		tmport = wkport + 0x1b;
		if (dev->chip_ver == 4)
			outb(0x00, tmport);

		tmport = wkport + 0x18;
		outb(0x08, tmport);
		tmport += 0x07;
		j = 0;
rd_inq_data:
		k = inb(tmport);
		if ((k & 0x01) != 0) {
			tmport -= 0x06;
			mbuf[j++] = inb(tmport);
			tmport += 0x06;
			goto rd_inq_data;
		}
		if ((k & 0x80) == 0) {
			goto rd_inq_data;
		}
		tmport -= 0x08;
		j = inb(tmport);
		if (j == 0x16) {
			goto inq_ok;
		}
		tmport = wkport + 0x10;
		outb(0x46, tmport);
		tmport += 0x02;
		outb(0, tmport++);
		outb(0, tmport++);
		outb(0, tmport++);
		tmport += 0x03;
		outb(0x08, tmport);
		tmport += 0x07;

		while ((inb(tmport) & 0x80) == 0x00)
			cpu_relax();
			
		tmport -= 0x08;
		if (inb(tmport) != 0x16) {
			goto sel_ok;
		}
inq_ok:
		mbuf[36] = 0;
		printk(KERN_INFO "         ID: %2d  %s\n", i, &mbuf[8]);
		dev->id[0][i].devtype = mbuf[0];
		rmb = mbuf[1];
		n = mbuf[7];
		if (dev->chip_ver != 4) {
			goto not_wide;
		}
		if ((mbuf[7] & 0x60) == 0) {
			goto not_wide;
		}
		if ((dev->global_map[0] & 0x20) == 0) {
			goto not_wide;
		}
		tmport = wkport + 0x1b;
		outb(0x01, tmport);
		tmport = wkport + 3;
		outb(satn[0], tmport++);
		outb(satn[1], tmport++);
		outb(satn[2], tmport++);
		outb(satn[3], tmport++);
		outb(satn[4], tmport++);
		outb(satn[5], tmport++);
		tmport += 0x06;
		outb(0, tmport);
		tmport += 0x02;
		outb(dev->id[0][i].devsp, tmport++);
		outb(0, tmport++);
		outb(satn[6], tmport++);
		outb(satn[7], tmport++);
		tmport += 0x03;
		outb(satn[8], tmport);
		tmport += 0x07;

		while ((inb(tmport) & 0x80) == 0x00)
			cpu_relax();
			
		tmport -= 0x08;
		if (inb(tmport) != 0x11 && inb(tmport) != 0x8e)
			continue;

		while (inb(tmport) != 0x8e)
			cpu_relax();
			
try_wide:
		j = 0;
		tmport = wkport + 0x14;
		outb(0x05, tmport);
		tmport += 0x04;
		outb(0x20, tmport);
		tmport += 0x07;

		while ((inb(tmport) & 0x80) == 0) {
			if ((inb(tmport) & 0x01) != 0) {
				tmport -= 0x06;
				outb(wide[j++], tmport);
				tmport += 0x06;
			}
		}
		tmport -= 0x08;
		
		while ((inb(tmport) & 0x80) == 0x00)
			cpu_relax();
			
		j = inb(tmport) & 0x0f;
		if (j == 0x0f) {
			goto widep_in;
		}
		if (j == 0x0a) {
			goto widep_cmd;
		}
		if (j == 0x0e) {
			goto try_wide;
		}
		continue;
widep_out:
		tmport = wkport + 0x18;
		outb(0x20, tmport);
		tmport += 0x07;
		while ((inb(tmport) & 0x80) == 0) {
			if ((inb(tmport) & 0x01) != 0) {
				tmport -= 0x06;
				outb(0, tmport);
				tmport += 0x06;
			}
		}
		tmport -= 0x08;
		j = inb(tmport) & 0x0f;
		if (j == 0x0f) {
			goto widep_in;
		}
		if (j == 0x0a) {
			goto widep_cmd;
		}
		if (j == 0x0e) {
			goto widep_out;
		}
		continue;
widep_in:
		tmport = wkport + 0x14;
		outb(0xff, tmport);
		tmport += 0x04;
		outb(0x20, tmport);
		tmport += 0x07;
		k = 0;
widep_in1:
		j = inb(tmport);
		if ((j & 0x01) != 0) {
			tmport -= 0x06;
			mbuf[k++] = inb(tmport);
			tmport += 0x06;
			goto widep_in1;
		}
		if ((j & 0x80) == 0x00) {
			goto widep_in1;
		}
		tmport -= 0x08;
		j = inb(tmport) & 0x0f;
		if (j == 0x0f) {
			goto widep_in;
		}
		if (j == 0x0a) {
			goto widep_cmd;
		}
		if (j == 0x0e) {
			goto widep_out;
		}
		continue;
widep_cmd:
		tmport = wkport + 0x10;
		outb(0x30, tmport);
		tmport = wkport + 0x14;
		outb(0x00, tmport);
		tmport += 0x04;
		outb(0x08, tmport);
		tmport += 0x07;
		
		while ((inb(tmport) & 0x80) == 0x00)
			cpu_relax();

		tmport -= 0x08;
		j = inb(tmport);
		if (j != 0x16) {
			if (j == 0x4e) {
				goto widep_out;
			}
			continue;
		}
		if (mbuf[0] != 0x01) {
			goto not_wide;
		}
		if (mbuf[1] != 0x02) {
			goto not_wide;
		}
		if (mbuf[2] != 0x03) {
			goto not_wide;
		}
		if (mbuf[3] != 0x01) {
			goto not_wide;
		}
		m = 1;
		m = m << i;
		dev->wide_id[0] |= m;
not_wide:
		if ((dev->id[0][i].devtype == 0x00) || (dev->id[0][i].devtype == 0x07) || ((dev->id[0][i].devtype == 0x05) && ((n & 0x10) != 0))) {
			goto set_sync;
		}
		continue;
set_sync:
		tmport = wkport + 0x1b;
		j = 0;
		if ((m & dev->wide_id[0]) != 0) {
			j |= 0x01;
		}
		outb(j, tmport);
		tmport = wkport + 3;
		outb(satn[0], tmport++);
		outb(satn[1], tmport++);
		outb(satn[2], tmport++);
		outb(satn[3], tmport++);
		outb(satn[4], tmport++);
		outb(satn[5], tmport++);
		tmport += 0x06;
		outb(0, tmport);
		tmport += 0x02;
		outb(dev->id[0][i].devsp, tmport++);
		outb(0, tmport++);
		outb(satn[6], tmport++);
		outb(satn[7], tmport++);
		tmport += 0x03;
		outb(satn[8], tmport);
		tmport += 0x07;

		while ((inb(tmport) & 0x80) == 0x00)
			cpu_relax();
			
		tmport -= 0x08;
		if (inb(tmport) != 0x11 && inb(tmport) != 0x8e)
			continue;

		while (inb(tmport) != 0x8e)
			cpu_relax();
			
try_sync:
		j = 0;
		tmport = wkport + 0x14;
		outb(0x06, tmport);
		tmport += 0x04;
		outb(0x20, tmport);
		tmport += 0x07;

		while ((inb(tmport) & 0x80) == 0) {
			if ((inb(tmport) & 0x01) != 0) {
				tmport -= 0x06;
				if ((m & dev->wide_id[0]) != 0) {
					outb(synw[j++], tmport);
				} else {
					if ((m & dev->ultra_map[0]) != 0) {
						outb(synu[j++], tmport);
					} else {
						outb(synn[j++], tmport);
					}
				}
				tmport += 0x06;
			}
		}
		tmport -= 0x08;
		
		while ((inb(tmport) & 0x80) == 0x00)
			cpu_relax();
			
		j = inb(tmport) & 0x0f;
		if (j == 0x0f) {
			goto phase_ins;
		}
		if (j == 0x0a) {
			goto phase_cmds;
		}
		if (j == 0x0e) {
			goto try_sync;
		}
		continue;
phase_outs:
		tmport = wkport + 0x18;
		outb(0x20, tmport);
		tmport += 0x07;
		while ((inb(tmport) & 0x80) == 0x00) {
			if ((inb(tmport) & 0x01) != 0x00) {
				tmport -= 0x06;
				outb(0x00, tmport);
				tmport += 0x06;
			}
		}
		tmport -= 0x08;
		j = inb(tmport);
		if (j == 0x85) {
			goto tar_dcons;
		}
		j &= 0x0f;
		if (j == 0x0f) {
			goto phase_ins;
		}