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Diffstat (limited to 'drivers/scsi/atp870u.c')
-rw-r--r--drivers/scsi/atp870u.c2380
1 files changed, 2380 insertions, 0 deletions
diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c
new file mode 100644
index 0000000000..2a748af269
--- /dev/null
+++ b/drivers/scsi/atp870u.c
@@ -0,0 +1,2380 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 1997 Wu Ching Chen
+ * 2.1.x update (C) 1998 Krzysztof G. Baranowski
+ * 2.5.x update (C) 2002 Red Hat
+ * 2.6.x update (C) 2004 Red Hat
+ *
+ * Marcelo Tosatti <marcelo@conectiva.com.br> : SMP fixes
+ *
+ * Wu Ching Chen : NULL pointer fixes 2000/06/02
+ * support atp876 chip
+ * enable 32 bit fifo transfer
+ * support cdrom & remove device run ultra speed
+ * fix disconnect bug 2000/12/21
+ * support atp880 chip lvd u160 2001/05/15
+ * fix prd table bug 2001/09/12 (7.1)
+ *
+ * atp885 support add by ACARD Hao Ping Lian 2005/01/05
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/ioport.h>
+#include <linux/delay.h>
+#include <linux/proc_fs.h>
+#include <linux/spinlock.h>
+#include <linux/pci.h>
+#include <linux/blkdev.h>
+#include <linux/dma-mapping.h>
+#include <linux/slab.h>
+#include <asm/io.h>
+
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+
+#include "atp870u.h"
+
+static const struct scsi_host_template atp870u_template;
+static void send_s870(struct atp_unit *dev,unsigned char c);
+static void atp_is(struct atp_unit *dev, unsigned char c, bool wide_chip,
+ unsigned char lvdmode);
+
+static inline void atp_writeb_base(struct atp_unit *atp, u8 reg, u8 val)
+{
+ outb(val, atp->baseport + reg);
+}
+
+static inline void atp_writew_base(struct atp_unit *atp, u8 reg, u16 val)
+{
+ outw(val, atp->baseport + reg);
+}
+
+static inline void atp_writeb_io(struct atp_unit *atp, u8 channel, u8 reg, u8 val)
+{
+ outb(val, atp->ioport[channel] + reg);
+}
+
+static inline void atp_writew_io(struct atp_unit *atp, u8 channel, u8 reg, u16 val)
+{
+ outw(val, atp->ioport[channel] + reg);
+}
+
+static inline void atp_writeb_pci(struct atp_unit *atp, u8 channel, u8 reg, u8 val)
+{
+ outb(val, atp->pciport[channel] + reg);
+}
+
+static inline void atp_writel_pci(struct atp_unit *atp, u8 channel, u8 reg, u32 val)
+{
+ outl(val, atp->pciport[channel] + reg);
+}
+
+static inline u8 atp_readb_base(struct atp_unit *atp, u8 reg)
+{
+ return inb(atp->baseport + reg);
+}
+
+static inline u16 atp_readw_base(struct atp_unit *atp, u8 reg)
+{
+ return inw(atp->baseport + reg);
+}
+
+static inline u32 atp_readl_base(struct atp_unit *atp, u8 reg)
+{
+ return inl(atp->baseport + reg);
+}
+
+static inline u8 atp_readb_io(struct atp_unit *atp, u8 channel, u8 reg)
+{
+ return inb(atp->ioport[channel] + reg);
+}
+
+static inline u16 atp_readw_io(struct atp_unit *atp, u8 channel, u8 reg)
+{
+ return inw(atp->ioport[channel] + reg);
+}
+
+static inline u8 atp_readb_pci(struct atp_unit *atp, u8 channel, u8 reg)
+{
+ return inb(atp->pciport[channel] + reg);
+}
+
+static inline bool is880(struct atp_unit *atp)
+{
+ return atp->pdev->device == ATP880_DEVID1 ||
+ atp->pdev->device == ATP880_DEVID2;
+}
+
+static inline bool is885(struct atp_unit *atp)
+{
+ return atp->pdev->device == ATP885_DEVID;
+}
+
+static irqreturn_t atp870u_intr_handle(int irq, void *dev_id)
+{
+ unsigned long flags;
+ unsigned short int id;
+ unsigned char i, j, c, target_id, lun,cmdp;
+ unsigned char *prd;
+ struct scsi_cmnd *workreq;
+ unsigned long adrcnt, k;
+#ifdef ED_DBGP
+ unsigned long l;
+#endif
+ struct Scsi_Host *host = dev_id;
+ struct atp_unit *dev = (struct atp_unit *)&host->hostdata;
+
+ for (c = 0; c < 2; c++) {
+ j = atp_readb_io(dev, c, 0x1f);
+ if ((j & 0x80) != 0)
+ break;
+ dev->in_int[c] = 0;
+ }
+ if ((j & 0x80) == 0)
+ return IRQ_NONE;
+#ifdef ED_DBGP
+ printk("atp870u_intr_handle enter\n");
+#endif
+ dev->in_int[c] = 1;
+ cmdp = atp_readb_io(dev, c, 0x10);
+ if (dev->working[c] != 0) {
+ if (is885(dev)) {
+ if ((atp_readb_io(dev, c, 0x16) & 0x80) == 0)
+ atp_writeb_io(dev, c, 0x16,
+ (atp_readb_io(dev, c, 0x16) | 0x80));
+ }
+ if ((atp_readb_pci(dev, c, 0x00) & 0x08) != 0)
+ {
+ for (k=0; k < 1000; k++) {
+ if ((atp_readb_pci(dev, c, 2) & 0x08) == 0)
+ break;
+ if ((atp_readb_pci(dev, c, 2) & 0x01) == 0)
+ break;
+ }
+ }
+ atp_writeb_pci(dev, c, 0, 0x00);
+
+ i = atp_readb_io(dev, c, 0x17);
+
+ if (is885(dev))
+ atp_writeb_pci(dev, c, 2, 0x06);
+
+ target_id = atp_readb_io(dev, c, 0x15);
+
+ /*
+ * Remap wide devices onto id numbers
+ */
+
+ if ((target_id & 0x40) != 0) {
+ target_id = (target_id & 0x07) | 0x08;
+ } else {
+ target_id &= 0x07;
+ }
+
+ if ((j & 0x40) != 0) {
+ if (dev->last_cmd[c] == 0xff) {
+ dev->last_cmd[c] = target_id;
+ }
+ dev->last_cmd[c] |= 0x40;
+ }
+ if (is885(dev))
+ dev->r1f[c][target_id] |= j;
+#ifdef ED_DBGP
+ printk("atp870u_intr_handle status = %x\n",i);
+#endif
+ if (i == 0x85) {
+ if ((dev->last_cmd[c] & 0xf0) != 0x40) {
+ dev->last_cmd[c] = 0xff;
+ }
+ if (is885(dev)) {
+ adrcnt = 0;
+ ((unsigned char *) &adrcnt)[2] =
+ atp_readb_io(dev, c, 0x12);
+ ((unsigned char *) &adrcnt)[1] =
+ atp_readb_io(dev, c, 0x13);
+ ((unsigned char *) &adrcnt)[0] =
+ atp_readb_io(dev, c, 0x14);
+ if (dev->id[c][target_id].last_len != adrcnt) {
+ k = dev->id[c][target_id].last_len;
+ k -= adrcnt;
+ dev->id[c][target_id].tran_len = k;
+ dev->id[c][target_id].last_len = adrcnt;
+ }
+#ifdef ED_DBGP
+ printk("dev->id[c][target_id].last_len = %d "
+ "dev->id[c][target_id].tran_len = %d\n",
+ dev->id[c][target_id].last_len,
+ dev->id[c][target_id].tran_len);
+#endif
+ }
+
+ /*
+ * Flip wide
+ */
+ if (dev->wide_id[c] != 0) {
+ atp_writeb_io(dev, c, 0x1b, 0x01);
+ while ((atp_readb_io(dev, c, 0x1b) & 0x01) != 0x01)
+ atp_writeb_io(dev, c, 0x1b, 0x01);
+ }
+ /*
+ * Issue more commands
+ */
+ spin_lock_irqsave(dev->host->host_lock, flags);
+ if (((dev->quhd[c] != dev->quend[c]) ||
+ (dev->last_cmd[c] != 0xff)) &&
+ (dev->in_snd[c] == 0)) {
+#ifdef ED_DBGP
+ printk("Call sent_s870\n");
+#endif
+ send_s870(dev,c);
+ }
+ spin_unlock_irqrestore(dev->host->host_lock, flags);
+ /*
+ * Done
+ */
+ dev->in_int[c] = 0;
+#ifdef ED_DBGP
+ printk("Status 0x85 return\n");
+#endif
+ return IRQ_HANDLED;
+ }
+
+ if (i == 0x40) {
+ dev->last_cmd[c] |= 0x40;
+ dev->in_int[c] = 0;
+ return IRQ_HANDLED;
+ }
+
+ if (i == 0x21) {
+ if ((dev->last_cmd[c] & 0xf0) != 0x40) {
+ dev->last_cmd[c] = 0xff;
+ }
+ adrcnt = 0;
+ ((unsigned char *) &adrcnt)[2] =
+ atp_readb_io(dev, c, 0x12);
+ ((unsigned char *) &adrcnt)[1] =
+ atp_readb_io(dev, c, 0x13);
+ ((unsigned char *) &adrcnt)[0] =
+ atp_readb_io(dev, c, 0x14);
+ k = dev->id[c][target_id].last_len;
+ k -= adrcnt;
+ dev->id[c][target_id].tran_len = k;
+ dev->id[c][target_id].last_len = adrcnt;
+ atp_writeb_io(dev, c, 0x10, 0x41);
+ atp_writeb_io(dev, c, 0x18, 0x08);
+ dev->in_int[c] = 0;
+ return IRQ_HANDLED;
+ }
+
+ if (is885(dev)) {
+ if ((i == 0x4c) || (i == 0x4d) || (i == 0x8c) || (i == 0x8d)) {
+ if ((i == 0x4c) || (i == 0x8c))
+ i=0x48;
+ else
+ i=0x49;
+ }
+ }
+ if ((i == 0x80) || (i == 0x8f)) {
+#ifdef ED_DBGP
+ printk(KERN_DEBUG "Device reselect\n");
+#endif
+ lun = 0;
+ if (cmdp == 0x44 || i == 0x80)
+ lun = atp_readb_io(dev, c, 0x1d) & 0x07;
+ else {
+ if ((dev->last_cmd[c] & 0xf0) != 0x40) {
+ dev->last_cmd[c] = 0xff;
+ }
+ if (cmdp == 0x41) {
+#ifdef ED_DBGP
+ printk("cmdp = 0x41\n");
+#endif
+ adrcnt = 0;
+ ((unsigned char *) &adrcnt)[2] =
+ atp_readb_io(dev, c, 0x12);
+ ((unsigned char *) &adrcnt)[1] =
+ atp_readb_io(dev, c, 0x13);
+ ((unsigned char *) &adrcnt)[0] =
+ atp_readb_io(dev, c, 0x14);
+ k = dev->id[c][target_id].last_len;
+ k -= adrcnt;
+ dev->id[c][target_id].tran_len = k;
+ dev->id[c][target_id].last_len = adrcnt;
+ atp_writeb_io(dev, c, 0x18, 0x08);
+ dev->in_int[c] = 0;
+ return IRQ_HANDLED;
+ } else {
+#ifdef ED_DBGP
+ printk("cmdp != 0x41\n");
+#endif
+ atp_writeb_io(dev, c, 0x10, 0x46);
+ dev->id[c][target_id].dirct = 0x00;
+ atp_writeb_io(dev, c, 0x12, 0x00);
+ atp_writeb_io(dev, c, 0x13, 0x00);
+ atp_writeb_io(dev, c, 0x14, 0x00);
+ atp_writeb_io(dev, c, 0x18, 0x08);
+ dev->in_int[c] = 0;
+ return IRQ_HANDLED;
+ }
+ }
+ if (dev->last_cmd[c] != 0xff) {
+ dev->last_cmd[c] |= 0x40;
+ }
+ if (is885(dev)) {
+ j = atp_readb_base(dev, 0x29) & 0xfe;
+ atp_writeb_base(dev, 0x29, j);
+ } else
+ atp_writeb_io(dev, c, 0x10, 0x45);
+
+ target_id = atp_readb_io(dev, c, 0x16);
+ /*
+ * Remap wide identifiers
+ */
+ if ((target_id & 0x10) != 0) {
+ target_id = (target_id & 0x07) | 0x08;
+ } else {
+ target_id &= 0x07;
+ }
+ if (is885(dev))
+ atp_writeb_io(dev, c, 0x10, 0x45);
+ workreq = dev->id[c][target_id].curr_req;
+#ifdef ED_DBGP
+ scmd_printk(KERN_DEBUG, workreq, "CDB");
+ for (l = 0; l < workreq->cmd_len; l++)
+ printk(KERN_DEBUG " %x",workreq->cmnd[l]);
+ printk("\n");
+#endif
+
+ atp_writeb_io(dev, c, 0x0f, lun);
+ atp_writeb_io(dev, c, 0x11, dev->id[c][target_id].devsp);
+ adrcnt = dev->id[c][target_id].tran_len;
+ k = dev->id[c][target_id].last_len;
+
+ atp_writeb_io(dev, c, 0x12, ((unsigned char *) &k)[2]);
+ atp_writeb_io(dev, c, 0x13, ((unsigned char *) &k)[1]);
+ atp_writeb_io(dev, c, 0x14, ((unsigned char *) &k)[0]);
+#ifdef ED_DBGP
+ printk("k %x, k[0] 0x%x k[1] 0x%x k[2] 0x%x\n", k,
+ atp_readb_io(dev, c, 0x14),
+ atp_readb_io(dev, c, 0x13),
+ atp_readb_io(dev, c, 0x12));
+#endif
+ /* Remap wide */
+ j = target_id;
+ if (target_id > 7) {
+ j = (j & 0x07) | 0x40;
+ }
+ /* Add direction */
+ j |= dev->id[c][target_id].dirct;
+ atp_writeb_io(dev, c, 0x15, j);
+ atp_writeb_io(dev, c, 0x16, 0x80);
+
+ /* enable 32 bit fifo transfer */
+ if (is885(dev)) {
+ i = atp_readb_pci(dev, c, 1) & 0xf3;
+ //j=workreq->cmnd[0];
+ if ((workreq->cmnd[0] == READ_6) ||
+ (workreq->cmnd[0] == READ_10) ||
+ (workreq->cmnd[0] == WRITE_6) ||
+ (workreq->cmnd[0] == WRITE_10)) {
+ i |= 0x0c;
+ }
+ atp_writeb_pci(dev, c, 1, i);
+ } else if (is880(dev)) {
+ if ((workreq->cmnd[0] == READ_6) ||
+ (workreq->cmnd[0] == READ_10) ||
+ (workreq->cmnd[0] == WRITE_6) ||
+ (workreq->cmnd[0] == WRITE_10))
+ atp_writeb_base(dev, 0x3b,
+ (atp_readb_base(dev, 0x3b) & 0x3f) | 0xc0);
+ else
+ atp_writeb_base(dev, 0x3b,
+ atp_readb_base(dev, 0x3b) & 0x3f);
+ } else {
+ if ((workreq->cmnd[0] == READ_6) ||
+ (workreq->cmnd[0] == READ_10) ||
+ (workreq->cmnd[0] == WRITE_6) ||
+ (workreq->cmnd[0] == WRITE_10))
+ atp_writeb_base(dev, 0x3a,
+ (atp_readb_base(dev, 0x3a) & 0xf3) | 0x08);
+ else
+ atp_writeb_base(dev, 0x3a,
+ atp_readb_base(dev, 0x3a) & 0xf3);
+ }
+ j = 0;
+ id = 1;
+ id = id << target_id;
+ /*
+ * Is this a wide device
+ */
+ if ((id & dev->wide_id[c]) != 0) {
+ j |= 0x01;
+ }
+ atp_writeb_io(dev, c, 0x1b, j);
+ while ((atp_readb_io(dev, c, 0x1b) & 0x01) != j)
+ atp_writeb_io(dev, c, 0x1b, j);
+ if (dev->id[c][target_id].last_len == 0) {
+ atp_writeb_io(dev, c, 0x18, 0x08);
+ dev->in_int[c] = 0;
+#ifdef ED_DBGP
+ printk("dev->id[c][target_id].last_len = 0\n");
+#endif
+ return IRQ_HANDLED;
+ }
+#ifdef ED_DBGP
+ printk("target_id = %d adrcnt = %d\n",target_id,adrcnt);
+#endif
+ prd = dev->id[c][target_id].prd_pos;
+ while (adrcnt != 0) {
+ id = ((unsigned short int *)prd)[2];
+ if (id == 0) {
+ k = 0x10000;
+ } else {
+ k = id;
+ }
+ if (k > adrcnt) {
+ ((unsigned short int *)prd)[2] =
+ (unsigned short int)(k - adrcnt);
+ ((unsigned long *)prd)[0] += adrcnt;
+ adrcnt = 0;
+ dev->id[c][target_id].prd_pos = prd;
+ } else {
+ adrcnt -= k;
+ dev->id[c][target_id].prdaddr += 0x08;
+ prd += 0x08;
+ if (adrcnt == 0) {
+ dev->id[c][target_id].prd_pos = prd;
+ }
+ }
+ }
+ atp_writel_pci(dev, c, 0x04, dev->id[c][target_id].prdaddr);
+#ifdef ED_DBGP
+ printk("dev->id[%d][%d].prdaddr 0x%8x\n",
+ c, target_id, dev->id[c][target_id].prdaddr);
+#endif
+ if (!is885(dev)) {
+ atp_writeb_pci(dev, c, 2, 0x06);
+ atp_writeb_pci(dev, c, 2, 0x00);
+ }
+ /*
+ * Check transfer direction
+ */
+ if (dev->id[c][target_id].dirct != 0) {
+ atp_writeb_io(dev, c, 0x18, 0x08);
+ atp_writeb_pci(dev, c, 0, 0x01);
+ dev->in_int[c] = 0;
+#ifdef ED_DBGP
+ printk("status 0x80 return dirct != 0\n");
+#endif
+ return IRQ_HANDLED;
+ }
+ atp_writeb_io(dev, c, 0x18, 0x08);
+ atp_writeb_pci(dev, c, 0, 0x09);
+ dev->in_int[c] = 0;
+#ifdef ED_DBGP
+ printk("status 0x80 return dirct = 0\n");
+#endif
+ return IRQ_HANDLED;
+ }
+
+ /*
+ * Current scsi request on this target
+ */
+
+ workreq = dev->id[c][target_id].curr_req;
+
+ if (i == 0x42 || i == 0x16) {
+ if ((dev->last_cmd[c] & 0xf0) != 0x40) {
+ dev->last_cmd[c] = 0xff;
+ }
+ if (i == 0x16) {
+ workreq->result = atp_readb_io(dev, c, 0x0f);
+ if (((dev->r1f[c][target_id] & 0x10) != 0) && is885(dev)) {
+ printk(KERN_WARNING "AEC67162 CRC ERROR !\n");
+ workreq->result = SAM_STAT_CHECK_CONDITION;
+ }
+ } else
+ workreq->result = SAM_STAT_CHECK_CONDITION;
+
+ if (is885(dev)) {
+ j = atp_readb_base(dev, 0x29) | 0x01;
+ atp_writeb_base(dev, 0x29, j);
+ }
+ /*
+ * Complete the command
+ */
+ scsi_dma_unmap(workreq);
+
+ spin_lock_irqsave(dev->host->host_lock, flags);
+ scsi_done(workreq);
+#ifdef ED_DBGP
+ printk("workreq->scsi_done\n");
+#endif
+ /*
+ * Clear it off the queue
+ */
+ dev->id[c][target_id].curr_req = NULL;
+ dev->working[c]--;
+ spin_unlock_irqrestore(dev->host->host_lock, flags);
+ /*
+ * Take it back wide
+ */
+ if (dev->wide_id[c] != 0) {
+ atp_writeb_io(dev, c, 0x1b, 0x01);
+ while ((atp_readb_io(dev, c, 0x1b) & 0x01) != 0x01)
+ atp_writeb_io(dev, c, 0x1b, 0x01);
+ }
+ /*
+ * If there is stuff to send and nothing going then send it
+ */
+ spin_lock_irqsave(dev->host->host_lock, flags);
+ if (((dev->last_cmd[c] != 0xff) ||
+ (dev->quhd[c] != dev->quend[c])) &&
+ (dev->in_snd[c] == 0)) {
+#ifdef ED_DBGP
+ printk("Call sent_s870(scsi_done)\n");
+#endif
+ send_s870(dev,c);
+ }
+ spin_unlock_irqrestore(dev->host->host_lock, flags);
+ dev->in_int[c] = 0;
+ return IRQ_HANDLED;
+ }
+ if ((dev->last_cmd[c] & 0xf0) != 0x40) {
+ dev->last_cmd[c] = 0xff;
+ }
+ if (i == 0x4f) {
+ i = 0x89;
+ }
+ i &= 0x0f;
+ if (i == 0x09) {
+ atp_writel_pci(dev, c, 4, dev->id[c][target_id].prdaddr);
+ atp_writeb_pci(dev, c, 2, 0x06);
+ atp_writeb_pci(dev, c, 2, 0x00);
+ atp_writeb_io(dev, c, 0x10, 0x41);
+ if (is885(dev)) {
+ k = dev->id[c][target_id].last_len;
+ atp_writeb_io(dev, c, 0x12,
+ ((unsigned char *) (&k))[2]);
+ atp_writeb_io(dev, c, 0x13,
+ ((unsigned char *) (&k))[1]);
+ atp_writeb_io(dev, c, 0x14,
+ ((unsigned char *) (&k))[0]);
+ dev->id[c][target_id].dirct = 0x00;
+ } else {
+ dev->id[c][target_id].dirct = 0x00;
+ }
+ atp_writeb_io(dev, c, 0x18, 0x08);
+ atp_writeb_pci(dev, c, 0, 0x09);
+ dev->in_int[c] = 0;
+ return IRQ_HANDLED;
+ }
+ if (i == 0x08) {
+ atp_writel_pci(dev, c, 4, dev->id[c][target_id].prdaddr);
+ atp_writeb_pci(dev, c, 2, 0x06);
+ atp_writeb_pci(dev, c, 2, 0x00);
+ atp_writeb_io(dev, c, 0x10, 0x41);
+ if (is885(dev)) {
+ k = dev->id[c][target_id].last_len;
+ atp_writeb_io(dev, c, 0x12,
+ ((unsigned char *) (&k))[2]);
+ atp_writeb_io(dev, c, 0x13,
+ ((unsigned char *) (&k))[1]);
+ atp_writeb_io(dev, c, 0x14,
+ ((unsigned char *) (&k))[0]);
+ }
+ atp_writeb_io(dev, c, 0x15,
+ atp_readb_io(dev, c, 0x15) | 0x20);
+ dev->id[c][target_id].dirct = 0x20;
+ atp_writeb_io(dev, c, 0x18, 0x08);
+ atp_writeb_pci(dev, c, 0, 0x01);
+ dev->in_int[c] = 0;
+ return IRQ_HANDLED;
+ }
+ if (i == 0x0a)
+ atp_writeb_io(dev, c, 0x10, 0x30);
+ else
+ atp_writeb_io(dev, c, 0x10, 0x46);
+ dev->id[c][target_id].dirct = 0x00;
+ atp_writeb_io(dev, c, 0x12, 0x00);
+ atp_writeb_io(dev, c, 0x13, 0x00);
+ atp_writeb_io(dev, c, 0x14, 0x00);
+ atp_writeb_io(dev, c, 0x18, 0x08);
+ }
+ dev->in_int[c] = 0;
+
+ return IRQ_HANDLED;
+}
+/**
+ * atp870u_queuecommand_lck - Queue SCSI command
+ * @req_p: request block
+ *
+ * Queue a command to the ATP queue. Called with the host lock held.
+ */
+static int atp870u_queuecommand_lck(struct scsi_cmnd *req_p)
+{
+ void (*done)(struct scsi_cmnd *) = scsi_done;
+ unsigned char c;
+ unsigned int m;
+ struct atp_unit *dev;
+ struct Scsi_Host *host;
+
+ c = scmd_channel(req_p);
+ req_p->sense_buffer[0]=0;
+ scsi_set_resid(req_p, 0);
+ if (scmd_channel(req_p) > 1) {
+ req_p->result = DID_BAD_TARGET << 16;
+ done(req_p);
+#ifdef ED_DBGP
+ printk("atp870u_queuecommand : req_p->device->channel > 1\n");
+#endif
+ return 0;
+ }
+
+ host = req_p->device->host;
+ dev = (struct atp_unit *)&host->hostdata;
+
+ m = 1;
+ m = m << scmd_id(req_p);
+
+ /*
+ * Fake a timeout for missing targets
+ */
+
+ if ((m & dev->active_id[c]) == 0) {
+ req_p->result = DID_BAD_TARGET << 16;
+ done(req_p);
+ return 0;
+ }
+
+ /*
+ * Count new command
+ */
+ dev->quend[c]++;
+ if (dev->quend[c] >= qcnt) {
+ dev->quend[c] = 0;
+ }
+
+ /*
+ * Check queue state
+ */
+ if (dev->quhd[c] == dev->quend[c]) {
+ if (dev->quend[c] == 0) {
+ dev->quend[c] = qcnt;
+ }
+#ifdef ED_DBGP
+ printk("atp870u_queuecommand : dev->quhd[c] == dev->quend[c]\n");
+#endif
+ dev->quend[c]--;
+ req_p->result = DID_BUS_BUSY << 16;
+ done(req_p);
+ return 0;
+ }
+ dev->quereq[c][dev->quend[c]] = req_p;
+#ifdef ED_DBGP
+ printk("dev->ioport[c] = %x atp_readb_io(dev, c, 0x1c) = %x "
+ "dev->in_int[%d] = %d dev->in_snd[%d] = %d\n",
+ dev->ioport[c], atp_readb_io(dev, c, 0x1c), c,
+ dev->in_int[c],c,dev->in_snd[c]);
+#endif
+ if ((atp_readb_io(dev, c, 0x1c) == 0) &&
+ (dev->in_int[c] == 0) &&
+ (dev->in_snd[c] == 0)) {
+#ifdef ED_DBGP
+ printk("Call sent_s870(atp870u_queuecommand)\n");
+#endif
+ send_s870(dev,c);
+ }
+#ifdef ED_DBGP
+ printk("atp870u_queuecommand : exit\n");
+#endif
+ return 0;
+}
+
+static DEF_SCSI_QCMD(atp870u_queuecommand)
+
+/*
+ * send_s870 - send a command to the controller
+ *
+ * On entry there is work queued to be done. We move some of that work to the
+ * controller itself.
+ *
+ * Caller holds the host lock.
+ */
+static void send_s870(struct atp_unit *dev, unsigned char c)
+{
+ struct scsi_cmnd *workreq = NULL;
+ unsigned int i;//,k;
+ unsigned char j, target_id;
+ unsigned char *prd;
+ unsigned short int w;
+ unsigned long l, bttl = 0;
+ unsigned long sg_count;
+
+ if (dev->in_snd[c] != 0) {
+#ifdef ED_DBGP
+ printk("cmnd in_snd\n");
+#endif
+ return;
+ }
+#ifdef ED_DBGP
+ printk("Sent_s870 enter\n");
+#endif
+ dev->in_snd[c] = 1;
+ if ((dev->last_cmd[c] != 0xff) && ((dev->last_cmd[c] & 0x40) != 0)) {
+ dev->last_cmd[c] &= 0x0f;
+ workreq = dev->id[c][dev->last_cmd[c]].curr_req;
+ if (!workreq) {
+ dev->last_cmd[c] = 0xff;
+ if (dev->quhd[c] == dev->quend[c]) {
+ dev->in_snd[c] = 0;
+ return;
+ }
+ }
+ }
+ if (!workreq) {
+ if ((dev->last_cmd[c] != 0xff) && (dev->working[c] != 0)) {
+ dev->in_snd[c] = 0;
+ return;
+ }
+ dev->working[c]++;
+ j = dev->quhd[c];
+ dev->quhd[c]++;
+ if (dev->quhd[c] >= qcnt)
+ dev->quhd[c] = 0;
+ workreq = dev->quereq[c][dev->quhd[c]];
+ if (dev->id[c][scmd_id(workreq)].curr_req != NULL) {
+ dev->quhd[c] = j;
+ dev->working[c]--;
+ dev->in_snd[c] = 0;
+ return;
+ }
+ dev->id[c][scmd_id(workreq)].curr_req = workreq;
+ dev->last_cmd[c] = scmd_id(workreq);
+ }
+ if ((atp_readb_io(dev, c, 0x1f) & 0xb0) != 0 ||
+ atp_readb_io(dev, c, 0x1c) != 0) {
+#ifdef ED_DBGP
+ printk("Abort to Send\n");
+#endif
+ dev->last_cmd[c] |= 0x40;
+ dev->in_snd[c] = 0;
+ return;
+ }
+#ifdef ED_DBGP
+ printk("OK to Send\n");
+ scmd_printk(KERN_DEBUG, workreq, "CDB");
+ for(i=0;i<workreq->cmd_len;i++) {
+ printk(" %x",workreq->cmnd[i]);
+ }
+ printk("\n");
+#endif
+ l = scsi_bufflen(workreq);
+
+ if (is885(dev)) {
+ j = atp_readb_base(dev, 0x29) & 0xfe;
+ atp_writeb_base(dev, 0x29, j);
+ dev->r1f[c][scmd_id(workreq)] = 0;
+ }
+
+ if (workreq->cmnd[0] == READ_CAPACITY) {
+ if (l > 8)
+ l = 8;
+ }
+ if (workreq->cmnd[0] == TEST_UNIT_READY) {
+ l = 0;
+ }
+
+ j = 0;
+ target_id = scmd_id(workreq);
+
+ /*
+ * Wide ?
+ */
+ w = 1;
+ w = w << target_id;
+ if ((w & dev->wide_id[c]) != 0) {
+ j |= 0x01;
+ }
+ atp_writeb_io(dev, c, 0x1b, j);
+ while ((atp_readb_io(dev, c, 0x1b) & 0x01) != j) {
+ atp_writeb_pci(dev, c, 0x1b, j);
+#ifdef ED_DBGP
+ printk("send_s870 while loop 1\n");
+#endif
+ }
+ /*
+ * Write the command
+ */
+
+ atp_writeb_io(dev, c, 0x00, workreq->cmd_len);
+ atp_writeb_io(dev, c, 0x01, 0x2c);
+ if (is885(dev))
+ atp_writeb_io(dev, c, 0x02, 0x7f);
+ else
+ atp_writeb_io(dev, c, 0x02, 0xcf);
+ for (i = 0; i < workreq->cmd_len; i++)
+ atp_writeb_io(dev, c, 0x03 + i, workreq->cmnd[i]);
+ atp_writeb_io(dev, c, 0x0f, workreq->device->lun);
+ /*
+ * Write the target
+ */
+ atp_writeb_io(dev, c, 0x11, dev->id[c][target_id].devsp);
+#ifdef ED_DBGP
+ printk("dev->id[%d][%d].devsp = %2x\n",c,target_id,
+ dev->id[c][target_id].devsp);
+#endif
+
+ sg_count = scsi_dma_map(workreq);
+ /*
+ * Write transfer size
+ */
+ atp_writeb_io(dev, c, 0x12, ((unsigned char *) (&l))[2]);
+ atp_writeb_io(dev, c, 0x13, ((unsigned char *) (&l))[1]);
+ atp_writeb_io(dev, c, 0x14, ((unsigned char *) (&l))[0]);
+ j = target_id;
+ dev->id[c][j].last_len = l;
+ dev->id[c][j].tran_len = 0;
+#ifdef ED_DBGP
+ printk("dev->id[%2d][%2d].last_len = %d\n",c,j,dev->id[c][j].last_len);
+#endif
+ /*
+ * Flip the wide bits
+ */
+ if ((j & 0x08) != 0) {
+ j = (j & 0x07) | 0x40;
+ }
+ /*
+ * Check transfer direction
+ */
+ if (workreq->sc_data_direction == DMA_TO_DEVICE)
+ atp_writeb_io(dev, c, 0x15, j | 0x20);
+ else
+ atp_writeb_io(dev, c, 0x15, j);
+ atp_writeb_io(dev, c, 0x16, atp_readb_io(dev, c, 0x16) | 0x80);
+ atp_writeb_io(dev, c, 0x16, 0x80);
+ dev->id[c][target_id].dirct = 0;
+ if (l == 0) {
+ if (atp_readb_io(dev, c, 0x1c) == 0) {
+#ifdef ED_DBGP
+ printk("change SCSI_CMD_REG 0x08\n");
+#endif
+ atp_writeb_io(dev, c, 0x18, 0x08);
+ } else
+ dev->last_cmd[c] |= 0x40;
+ dev->in_snd[c] = 0;
+ return;
+ }
+ prd = dev->id[c][target_id].prd_table;
+ dev->id[c][target_id].prd_pos = prd;
+
+ /*
+ * Now write the request list. Either as scatter/gather or as
+ * a linear chain.
+ */
+
+ if (l) {
+ struct scatterlist *sgpnt;
+ i = 0;
+ scsi_for_each_sg(workreq, sgpnt, sg_count, j) {
+ bttl = sg_dma_address(sgpnt);
+ l=sg_dma_len(sgpnt);
+#ifdef ED_DBGP
+ printk("1. bttl %x, l %x\n",bttl, l);
+#endif
+ while (l > 0x10000) {
+ (((u16 *) (prd))[i + 3]) = 0x0000;
+ (((u16 *) (prd))[i + 2]) = 0x0000;
+ (((u32 *) (prd))[i >> 1]) = cpu_to_le32(bttl);
+ l -= 0x10000;
+ bttl += 0x10000;
+ i += 0x04;
+ }
+ (((u32 *) (prd))[i >> 1]) = cpu_to_le32(bttl);
+ (((u16 *) (prd))[i + 2]) = cpu_to_le16(l);
+ (((u16 *) (prd))[i + 3]) = 0;
+ i += 0x04;
+ }
+ (((u16 *) (prd))[i - 1]) = cpu_to_le16(0x8000);
+#ifdef ED_DBGP
+ printk("prd %4x %4x %4x %4x\n",
+ (((unsigned short int *)prd)[0]),
+ (((unsigned short int *)prd)[1]),
+ (((unsigned short int *)prd)[2]),
+ (((unsigned short int *)prd)[3]));
+ printk("2. bttl %x, l %x\n",bttl, l);
+#endif
+ }
+#ifdef ED_DBGP
+ printk("send_s870: prdaddr_2 0x%8x target_id %d\n",
+ dev->id[c][target_id].prdaddr,target_id);
+#endif
+ dev->id[c][target_id].prdaddr = dev->id[c][target_id].prd_bus;
+ atp_writel_pci(dev, c, 4, dev->id[c][target_id].prdaddr);
+ atp_writeb_pci(dev, c, 2, 0x06);
+ atp_writeb_pci(dev, c, 2, 0x00);
+ if (is885(dev)) {
+ j = atp_readb_pci(dev, c, 1) & 0xf3;
+ if ((workreq->cmnd[0] == READ_6) ||
+ (workreq->cmnd[0] == READ_10) ||
+ (workreq->cmnd[0] == WRITE_6) ||
+ (workreq->cmnd[0] == WRITE_10)) {
+ j |= 0x0c;
+ }
+ atp_writeb_pci(dev, c, 1, j);
+ } else if (is880(dev)) {
+ if ((workreq->cmnd[0] == READ_6) ||
+ (workreq->cmnd[0] == READ_10) ||
+ (workreq->cmnd[0] == WRITE_6) ||
+ (workreq->cmnd[0] == WRITE_10))
+ atp_writeb_base(dev, 0x3b,
+ (atp_readb_base(dev, 0x3b) & 0x3f) | 0xc0);
+ else
+ atp_writeb_base(dev, 0x3b,
+ atp_readb_base(dev, 0x3b) & 0x3f);
+ } else {
+ if ((workreq->cmnd[0] == READ_6) ||
+ (workreq->cmnd[0] == READ_10) ||
+ (workreq->cmnd[0] == WRITE_6) ||
+ (workreq->cmnd[0] == WRITE_10))
+ atp_writeb_base(dev, 0x3a,
+ (atp_readb_base(dev, 0x3a) & 0xf3) | 0x08);
+ else
+ atp_writeb_base(dev, 0x3a,
+ atp_readb_base(dev, 0x3a) & 0xf3);
+ }
+
+ if(workreq->sc_data_direction == DMA_TO_DEVICE) {
+ dev->id[c][target_id].dirct = 0x20;
+ if (atp_readb_io(dev, c, 0x1c) == 0) {
+ atp_writeb_io(dev, c, 0x18, 0x08);
+ atp_writeb_pci(dev, c, 0, 0x01);
+#ifdef ED_DBGP
+ printk( "start DMA(to target)\n");
+#endif
+ } else {
+ dev->last_cmd[c] |= 0x40;
+ }
+ dev->in_snd[c] = 0;
+ return;
+ }
+ if (atp_readb_io(dev, c, 0x1c) == 0) {
+ atp_writeb_io(dev, c, 0x18, 0x08);
+ atp_writeb_pci(dev, c, 0, 0x09);
+#ifdef ED_DBGP
+ printk( "start DMA(to host)\n");
+#endif
+ } else {
+ dev->last_cmd[c] |= 0x40;
+ }
+ dev->in_snd[c] = 0;
+ return;
+
+}
+
+static unsigned char fun_scam(struct atp_unit *dev, unsigned short int *val)
+{
+ unsigned short int i, k;
+ unsigned char j;
+
+ atp_writew_io(dev, 0, 0x1c, *val);
+ for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */
+ k = atp_readw_io(dev, 0, 0x1c);
+ j = (unsigned char) (k >> 8);
+ if ((k & 0x8000) != 0) /* DB7 all release? */
+ i = 0;
+ }
+ *val |= 0x4000; /* assert DB6 */
+ atp_writew_io(dev, 0, 0x1c, *val);
+ *val &= 0xdfff; /* assert DB5 */
+ atp_writew_io(dev, 0, 0x1c, *val);
+ for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */
+ if ((atp_readw_io(dev, 0, 0x1c) & 0x2000) != 0) /* DB5 all release? */
+ i = 0;
+ }
+ *val |= 0x8000; /* no DB4-0, assert DB7 */
+ *val &= 0xe0ff;
+ atp_writew_io(dev, 0, 0x1c, *val);
+ *val &= 0xbfff; /* release DB6 */
+ atp_writew_io(dev, 0, 0x1c, *val);
+ for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */
+ if ((atp_readw_io(dev, 0, 0x1c) & 0x4000) != 0) /* DB6 all release? */
+ i = 0;
+ }
+
+ return j;
+}
+
+static void tscam(struct Scsi_Host *host, bool wide_chip, u8 scam_on)
+{
+
+ unsigned char i, j, k;
+ unsigned long n;
+ unsigned short int m, assignid_map, val;
+ unsigned char mbuf[33], quintet[2];
+ struct atp_unit *dev = (struct atp_unit *)&host->hostdata;
+ static unsigned char g2q_tab[8] = {
+ 0x38, 0x31, 0x32, 0x2b, 0x34, 0x2d, 0x2e, 0x27
+ };
+
+/* I can't believe we need this before we've even done anything. Remove it
+ * and see if anyone bitches.
+ for (i = 0; i < 0x10; i++) {
+ udelay(0xffff);
+ }
+ */
+
+ atp_writeb_io(dev, 0, 1, 0x08);
+ atp_writeb_io(dev, 0, 2, 0x7f);
+ atp_writeb_io(dev, 0, 0x11, 0x20);
+
+ if ((scam_on & 0x40) == 0) {
+ return;
+ }
+ m = 1;
+ m <<= dev->host_id[0];
+ j = 16;
+ if (!wide_chip) {
+ m |= 0xff00;
+ j = 8;
+ }
+ assignid_map = m;
+ atp_writeb_io(dev, 0, 0x02, 0x02); /* 2*2=4ms,3EH 2/32*3E=3.9ms */
+ atp_writeb_io(dev, 0, 0x03, 0);
+ atp_writeb_io(dev, 0, 0x04, 0);
+ atp_writeb_io(dev, 0, 0x05, 0);
+ atp_writeb_io(dev, 0, 0x06, 0);
+ atp_writeb_io(dev, 0, 0x07, 0);
+ atp_writeb_io(dev, 0, 0x08, 0);
+
+ for (i = 0; i < j; i++) {
+ m = 1;
+ m = m << i;
+ if ((m & assignid_map) != 0) {
+ continue;
+ }
+ atp_writeb_io(dev, 0, 0x0f, 0);
+ atp_writeb_io(dev, 0, 0x12, 0);
+ atp_writeb_io(dev, 0, 0x13, 0);
+ atp_writeb_io(dev, 0, 0x14, 0);
+ if (i > 7) {
+ k = (i & 0x07) | 0x40;
+ } else {
+ k = i;
+ }
+ atp_writeb_io(dev, 0, 0x15, k);
+ if (wide_chip)
+ atp_writeb_io(dev, 0, 0x1b, 0x01);
+ else
+ atp_writeb_io(dev, 0, 0x1b, 0x00);
+ do {
+ atp_writeb_io(dev, 0, 0x18, 0x09);
+
+ while ((atp_readb_io(dev, 0, 0x1f) & 0x80) == 0x00)
+ cpu_relax();
+ k = atp_readb_io(dev, 0, 0x17);
+ if ((k == 0x85) || (k == 0x42))
+ break;
+ if (k != 0x16)
+ atp_writeb_io(dev, 0, 0x10, 0x41);
+ } while (k != 0x16);
+ if ((k == 0x85) || (k == 0x42))
+ continue;
+ assignid_map |= m;
+
+ }
+ atp_writeb_io(dev, 0, 0x02, 0x7f);
+ atp_writeb_io(dev, 0, 0x1b, 0x02);
+
+ udelay(2);
+
+ val = 0x0080; /* bsy */
+ atp_writew_io(dev, 0, 0x1c, val);
+ val |= 0x0040; /* sel */
+ atp_writew_io(dev, 0, 0x1c, val);
+ val |= 0x0004; /* msg */
+ atp_writew_io(dev, 0, 0x1c, val);
+ udelay(2); /* 2 deskew delay(45ns*2=90ns) */
+ val &= 0x007f; /* no bsy */
+ atp_writew_io(dev, 0, 0x1c, val);
+ msleep(128);
+ val &= 0x00fb; /* after 1ms no msg */
+ atp_writew_io(dev, 0, 0x1c, val);
+ while ((atp_readb_io(dev, 0, 0x1c) & 0x04) != 0)
+ ;
+ udelay(2);
+ udelay(100);
+ for (n = 0; n < 0x30000; n++)
+ if ((atp_readb_io(dev, 0, 0x1c) & 0x80) != 0) /* bsy ? */
+ break;
+ if (n < 0x30000)
+ for (n = 0; n < 0x30000; n++)
+ if ((atp_readb_io(dev, 0, 0x1c) & 0x81) == 0x0081) {
+ udelay(2);
+ val |= 0x8003; /* io,cd,db7 */
+ atp_writew_io(dev, 0, 0x1c, val);
+ udelay(2);
+ val &= 0x00bf; /* no sel */
+ atp_writew_io(dev, 0, 0x1c, val);
+ udelay(2);
+ break;
+ }
+ while (1) {
+ /*
+ * The funny division into multiple delays is to accomodate
+ * arches like ARM where udelay() multiplies its argument by
+ * a large number to initialize a loop counter. To avoid
+ * overflow, the maximum supported udelay is 2000 microseconds.
+ *
+ * XXX it would be more polite to find a way to use msleep()
+ */
+ mdelay(2);
+ udelay(48);
+ if ((atp_readb_io(dev, 0, 0x1c) & 0x80) == 0x00) { /* bsy ? */
+ atp_writew_io(dev, 0, 0x1c, 0);
+ atp_writeb_io(dev, 0, 0x1b, 0);
+ atp_writeb_io(dev, 0, 0x15, 0);
+ atp_writeb_io(dev, 0, 0x18, 0x09);
+ while ((atp_readb_io(dev, 0, 0x1f) & 0x80) == 0)
+ cpu_relax();
+ atp_readb_io(dev, 0, 0x17);
+ return;
+ }
+ val &= 0x00ff; /* synchronization */
+ val |= 0x3f00;
+ fun_scam(dev, &val);
+ udelay(2);
+ val &= 0x00ff; /* isolation */
+ val |= 0x2000;
+ fun_scam(dev, &val);
+ udelay(2);
+ i = 8;
+ j = 0;
+
+ while (1) {
+ if ((atp_readw_io(dev, 0, 0x1c) & 0x2000) == 0)
+ continue;
+ udelay(2);
+ val &= 0x00ff; /* get ID_STRING */
+ val |= 0x2000;
+ k = fun_scam(dev, &val);
+ if ((k & 0x03) == 0)
+ break;
+ mbuf[j] <<= 0x01;
+ mbuf[j] &= 0xfe;
+ if ((k & 0x02) != 0)
+ mbuf[j] |= 0x01;
+ i--;
+ if (i > 0)
+ continue;
+ j++;
+ i = 8;
+ }
+
+ /* 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 up to 7 */
+ i = 7;
+ }
+ if ((j & 0x06) != 0) { /* IDvalid? */
+ k = mbuf[1];
+ while (1) {
+ m = 1;
+ m <<= k;
+ if ((m & assignid_map) == 0)
+ break;
+ if (k > 0)
+ k--;
+ else
+ break;
+ }
+ }
+ if ((m & assignid_map) != 0) { /* srch from max acceptable ID# */
+ k = i; /* max acceptable ID# */
+ while (1) {
+ m = 1;
+ m <<= k;
+ if ((m & assignid_map) == 0)
+ break;
+ if (k > 0)
+ k--;
+ else
+ break;
+ }
+ }
+ /* 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);
+
+ }
+}
+
+static void atp870u_free_tables(struct Scsi_Host *host)
+{
+ struct atp_unit *atp_dev = (struct atp_unit *)&host->hostdata;
+ int j, k;
+ for (j=0; j < 2; j++) {
+ for (k = 0; k < 16; k++) {
+ if (!atp_dev->id[j][k].prd_table)
+ continue;
+ dma_free_coherent(&atp_dev->pdev->dev, 1024,
+ atp_dev->id[j][k].prd_table,
+ atp_dev->id[j][k].prd_bus);
+ atp_dev->id[j][k].prd_table = NULL;
+ }
+ }
+}
+
+static int atp870u_init_tables(struct Scsi_Host *host)
+{
+ struct atp_unit *atp_dev = (struct atp_unit *)&host->hostdata;
+ int c,k;
+ for(c=0;c < 2;c++) {
+ for(k=0;k<16;k++) {
+ atp_dev->id[c][k].prd_table =
+ dma_alloc_coherent(&atp_dev->pdev->dev, 1024,
+ &(atp_dev->id[c][k].prd_bus),
+ GFP_KERNEL);
+ if (!atp_dev->id[c][k].prd_table) {
+ printk("atp870u_init_tables fail\n");
+ atp870u_free_tables(host);
+ return -ENOMEM;
+ }
+ atp_dev->id[c][k].prdaddr = atp_dev->id[c][k].prd_bus;
+ atp_dev->id[c][k].devsp=0x20;
+ atp_dev->id[c][k].devtype = 0x7f;
+ atp_dev->id[c][k].curr_req = NULL;
+ }
+
+ atp_dev->active_id[c] = 0;
+ atp_dev->wide_id[c] = 0;
+ atp_dev->host_id[c] = 0x07;
+ atp_dev->quhd[c] = 0;
+ atp_dev->quend[c] = 0;
+ atp_dev->last_cmd[c] = 0xff;
+ atp_dev->in_snd[c] = 0;
+ atp_dev->in_int[c] = 0;
+
+ for (k = 0; k < qcnt; k++) {
+ atp_dev->quereq[c][k] = NULL;
+ }
+ for (k = 0; k < 16; k++) {
+ atp_dev->id[c][k].curr_req = NULL;
+ atp_dev->sp[c][k] = 0x04;
+ }
+ }
+ return 0;
+}
+
+static void atp_set_host_id(struct atp_unit *atp, u8 c, u8 host_id)
+{
+ atp_writeb_io(atp, c, 0, host_id | 0x08);
+ atp_writeb_io(atp, c, 0x18, 0);
+ while ((atp_readb_io(atp, c, 0x1f) & 0x80) == 0)
+ mdelay(1);
+ atp_readb_io(atp, c, 0x17);
+ atp_writeb_io(atp, c, 1, 8);
+ atp_writeb_io(atp, c, 2, 0x7f);
+ atp_writeb_io(atp, c, 0x11, 0x20);
+}
+
+static void atp870_init(struct Scsi_Host *shpnt)
+{
+ struct atp_unit *atpdev = shost_priv(shpnt);
+ struct pci_dev *pdev = atpdev->pdev;
+ unsigned char k, host_id;
+ u8 scam_on;
+ bool wide_chip =
+ (pdev->device == PCI_DEVICE_ID_ARTOP_AEC7610 &&
+ pdev->revision == 4) ||
+ (pdev->device == PCI_DEVICE_ID_ARTOP_AEC7612UW) ||
+ (pdev->device == PCI_DEVICE_ID_ARTOP_AEC7612SUW);
+
+ pci_read_config_byte(pdev, 0x49, &host_id);
+
+ dev_info(&pdev->dev, "ACARD AEC-671X PCI Ultra/W SCSI-2/3 "
+ "Host Adapter: IO:%lx, IRQ:%d.\n",
+ shpnt->io_port, shpnt->irq);
+
+ atpdev->ioport[0] = shpnt->io_port;
+ atpdev->pciport[0] = shpnt->io_port + 0x20;
+ host_id &= 0x07;
+ atpdev->host_id[0] = host_id;
+ scam_on = atp_readb_pci(atpdev, 0, 2);
+ atpdev->global_map[0] = atp_readb_base(atpdev, 0x2d);
+ atpdev->ultra_map[0] = atp_readw_base(atpdev, 0x2e);
+
+ if (atpdev->ultra_map[0] == 0) {
+ scam_on = 0x00;
+ atpdev->global_map[0] = 0x20;
+ atpdev->ultra_map[0] = 0xffff;
+ }
+
+ if (pdev->revision > 0x07) /* check if atp876 chip */
+ atp_writeb_base(atpdev, 0x3e, 0x00); /* enable terminator */
+
+ k = (atp_readb_base(atpdev, 0x3a) & 0xf3) | 0x10;
+ atp_writeb_base(atpdev, 0x3a, k);
+ atp_writeb_base(atpdev, 0x3a, k & 0xdf);
+ msleep(32);
+ atp_writeb_base(atpdev, 0x3a, k);
+ msleep(32);
+ atp_set_host_id(atpdev, 0, host_id);
+
+ tscam(shpnt, wide_chip, scam_on);
+ atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) | 0x10);
+ atp_is(atpdev, 0, wide_chip, 0);
+ atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) & 0xef);
+ atp_writeb_base(atpdev, 0x3b, atp_readb_base(atpdev, 0x3b) | 0x20);
+ shpnt->max_id = wide_chip ? 16 : 8;
+ shpnt->this_id = host_id;
+}
+
+static void atp880_init(struct Scsi_Host *shpnt)
+{
+ struct atp_unit *atpdev = shost_priv(shpnt);
+ struct pci_dev *pdev = atpdev->pdev;
+ unsigned char k, m, host_id;
+ unsigned int n;
+
+ pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x80);
+
+ atpdev->ioport[0] = shpnt->io_port + 0x40;
+ atpdev->pciport[0] = shpnt->io_port + 0x28;
+
+ host_id = atp_readb_base(atpdev, 0x39) >> 4;
+
+ dev_info(&pdev->dev, "ACARD AEC-67160 PCI Ultra3 LVD "
+ "Host Adapter: IO:%lx, IRQ:%d.\n",
+ shpnt->io_port, shpnt->irq);
+ atpdev->host_id[0] = host_id;
+
+ atpdev->global_map[0] = atp_readb_base(atpdev, 0x35);
+ atpdev->ultra_map[0] = atp_readw_base(atpdev, 0x3c);
+
+ n = 0x3f09;
+ while (n < 0x4000) {
+ m = 0;
+ atp_writew_base(atpdev, 0x34, n);
+ n += 0x0002;
+ if (atp_readb_base(atpdev, 0x30) == 0xff)
+ break;
+
+ atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30);
+ atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31);
+ atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32);
+ atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33);
+ atp_writew_base(atpdev, 0x34, n);
+ n += 0x0002;
+ atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30);
+ atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31);
+ atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32);
+ atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33);
+ atp_writew_base(atpdev, 0x34, n);
+ n += 0x0002;
+ atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30);
+ atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31);
+ atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32);
+ atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33);
+ atp_writew_base(atpdev, 0x34, n);
+ n += 0x0002;
+ atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30);
+ atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31);
+ atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32);
+ atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33);
+ n += 0x0018;
+ }
+ atp_writew_base(atpdev, 0x34, 0);
+ atpdev->ultra_map[0] = 0;
+ atpdev->async[0] = 0;
+ for (k = 0; k < 16; k++) {
+ n = 1 << k;
+ if (atpdev->sp[0][k] > 1)
+ atpdev->ultra_map[0] |= n;
+ else
+ if (atpdev->sp[0][k] == 0)
+ atpdev->async[0] |= n;
+ }
+ atpdev->async[0] = ~(atpdev->async[0]);
+ atp_writeb_base(atpdev, 0x35, atpdev->global_map[0]);
+
+ k = atp_readb_base(atpdev, 0x38) & 0x80;
+ atp_writeb_base(atpdev, 0x38, k);
+ atp_writeb_base(atpdev, 0x3b, 0x20);
+ msleep(32);
+ atp_writeb_base(atpdev, 0x3b, 0);
+ msleep(32);
+ atp_readb_io(atpdev, 0, 0x1b);
+ atp_readb_io(atpdev, 0, 0x17);
+
+ atp_set_host_id(atpdev, 0, host_id);
+
+ tscam(shpnt, true, atp_readb_base(atpdev, 0x22));
+ atp_is(atpdev, 0, true, atp_readb_base(atpdev, 0x3f) & 0x40);
+ atp_writeb_base(atpdev, 0x38, 0xb0);
+ shpnt->max_id = 16;
+ shpnt->this_id = host_id;
+}
+
+static void atp885_init(struct Scsi_Host *shpnt)
+{
+ struct atp_unit *atpdev = shost_priv(shpnt);
+ struct pci_dev *pdev = atpdev->pdev;
+ unsigned char k, m, c;
+ unsigned int n;
+ unsigned char setupdata[2][16];
+
+ dev_info(&pdev->dev, "ACARD AEC-67162 PCI Ultra3 LVD "
+ "Host Adapter: IO:%lx, IRQ:%d.\n",
+ shpnt->io_port, shpnt->irq);
+
+ atpdev->ioport[0] = shpnt->io_port + 0x80;
+ atpdev->ioport[1] = shpnt->io_port + 0xc0;
+ atpdev->pciport[0] = shpnt->io_port + 0x40;
+ atpdev->pciport[1] = shpnt->io_port + 0x50;
+
+ c = atp_readb_base(atpdev, 0x29);
+ atp_writeb_base(atpdev, 0x29, c | 0x04);
+
+ n = 0x1f80;
+ while (n < 0x2000) {
+ atp_writew_base(atpdev, 0x3c, n);
+ if (atp_readl_base(atpdev, 0x38) == 0xffffffff)
+ break;
+ for (m = 0; m < 2; m++) {
+ atpdev->global_map[m] = 0;
+ for (k = 0; k < 4; k++) {
+ atp_writew_base(atpdev, 0x3c, n++);
+ ((u32 *)&setupdata[m][0])[k] =
+ atp_readl_base(atpdev, 0x38);
+ }
+ for (k = 0; k < 4; k++) {
+ atp_writew_base(atpdev, 0x3c, n++);
+ ((u32 *)&atpdev->sp[m][0])[k] =
+ atp_readl_base(atpdev, 0x38);
+ }
+ n += 8;
+ }
+ }
+ c = atp_readb_base(atpdev, 0x29);
+ atp_writeb_base(atpdev, 0x29, c & 0xfb);
+ for (c = 0; c < 2; c++) {
+ atpdev->ultra_map[c] = 0;
+ atpdev->async[c] = 0;
+ for (k = 0; k < 16; k++) {
+ n = 1 << k;
+ if (atpdev->sp[c][k] > 1)
+ atpdev->ultra_map[c] |= n;
+ else
+ if (atpdev->sp[c][k] == 0)
+ atpdev->async[c] |= n;
+ }
+ atpdev->async[c] = ~(atpdev->async[c]);
+
+ if (atpdev->global_map[c] == 0) {
+ k = setupdata[c][1];
+ if ((k & 0x40) != 0)
+ atpdev->global_map[c] |= 0x20;
+ k &= 0x07;
+ atpdev->global_map[c] |= k;
+ if ((setupdata[c][2] & 0x04) != 0)
+ atpdev->global_map[c] |= 0x08;
+ atpdev->host_id[c] = setupdata[c][0] & 0x07;
+ }
+ }
+
+ k = atp_readb_base(atpdev, 0x28) & 0x8f;
+ k |= 0x10;
+ atp_writeb_base(atpdev, 0x28, k);
+ atp_writeb_pci(atpdev, 0, 1, 0x80);
+ atp_writeb_pci(atpdev, 1, 1, 0x80);
+ msleep(100);
+ atp_writeb_pci(atpdev, 0, 1, 0);
+ atp_writeb_pci(atpdev, 1, 1, 0);
+ msleep(1000);
+ atp_readb_io(atpdev, 0, 0x1b);
+ atp_readb_io(atpdev, 0, 0x17);
+ atp_readb_io(atpdev, 1, 0x1b);
+ atp_readb_io(atpdev, 1, 0x17);
+
+ k = atpdev->host_id[0];
+ if (k > 7)
+ k = (k & 0x07) | 0x40;
+ atp_set_host_id(atpdev, 0, k);
+
+ k = atpdev->host_id[1];
+ if (k > 7)
+ k = (k & 0x07) | 0x40;
+ atp_set_host_id(atpdev, 1, k);
+
+ msleep(600); /* this delay used to be called tscam_885() */
+ dev_info(&pdev->dev, "Scanning Channel A SCSI Device ...\n");
+ atp_is(atpdev, 0, true, atp_readb_io(atpdev, 0, 0x1b) >> 7);
+ atp_writeb_io(atpdev, 0, 0x16, 0x80);
+ dev_info(&pdev->dev, "Scanning Channel B SCSI Device ...\n");
+ atp_is(atpdev, 1, true, atp_readb_io(atpdev, 1, 0x1b) >> 7);
+ atp_writeb_io(atpdev, 1, 0x16, 0x80);
+ k = atp_readb_base(atpdev, 0x28) & 0xcf;
+ k |= 0xc0;
+ atp_writeb_base(atpdev, 0x28, k);
+ k = atp_readb_base(atpdev, 0x1f) | 0x80;
+ atp_writeb_base(atpdev, 0x1f, k);
+ k = atp_readb_base(atpdev, 0x29) | 0x01;
+ atp_writeb_base(atpdev, 0x29, k);
+ shpnt->max_id = 16;
+ shpnt->max_lun = (atpdev->global_map[0] & 0x07) + 1;
+ shpnt->max_channel = 1;
+ shpnt->this_id = atpdev->host_id[0];
+}
+
+/* return non-zero on detection */
+static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ struct Scsi_Host *shpnt = NULL;
+ struct atp_unit *atpdev;
+ int err;
+
+ if (ent->device == PCI_DEVICE_ID_ARTOP_AEC7610 && pdev->revision < 2) {
+ dev_err(&pdev->dev, "ATP850S chips (AEC6710L/F cards) are not supported.\n");
+ return -ENODEV;
+ }
+
+ err = pci_enable_device(pdev);
+ if (err)
+ goto fail;
+
+ if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) {
+ printk(KERN_ERR "atp870u: DMA mask required but not available.\n");
+ err = -EIO;
+ goto disable_device;
+ }
+
+ err = pci_request_regions(pdev, "atp870u");
+ if (err)
+ goto disable_device;
+ pci_set_master(pdev);
+
+ err = -ENOMEM;
+ shpnt = scsi_host_alloc(&atp870u_template, sizeof(struct atp_unit));
+ if (!shpnt)
+ goto release_region;
+
+ atpdev = shost_priv(shpnt);
+
+ atpdev->host = shpnt;
+ atpdev->pdev = pdev;
+ pci_set_drvdata(pdev, atpdev);
+
+ shpnt->io_port = pci_resource_start(pdev, 0);
+ shpnt->io_port &= 0xfffffff8;
+ shpnt->n_io_port = pci_resource_len(pdev, 0);
+ atpdev->baseport = shpnt->io_port;
+ shpnt->unique_id = shpnt->io_port;
+ shpnt->irq = pdev->irq;
+
+ err = atp870u_init_tables(shpnt);
+ if (err) {
+ dev_err(&pdev->dev, "Unable to allocate tables for Acard controller\n");
+ goto unregister;
+ }
+
+ if (is880(atpdev))
+ atp880_init(shpnt);
+ else if (is885(atpdev))
+ atp885_init(shpnt);
+ else
+ atp870_init(shpnt);
+
+ err = request_irq(shpnt->irq, atp870u_intr_handle, IRQF_SHARED, "atp870u", shpnt);
+ if (err) {
+ dev_err(&pdev->dev, "Unable to allocate IRQ %d.\n", shpnt->irq);
+ goto free_tables;
+ }
+
+ err = scsi_add_host(shpnt, &pdev->dev);
+ if (err)
+ goto scsi_add_fail;
+ scsi_scan_host(shpnt);
+
+ return 0;
+
+scsi_add_fail:
+ free_irq(shpnt->irq, shpnt);
+free_tables:
+ atp870u_free_tables(shpnt);
+unregister:
+ scsi_host_put(shpnt);
+release_region:
+ pci_release_regions(pdev);
+disable_device:
+ pci_disable_device(pdev);
+fail:
+ return err;
+}
+
+/* The abort command does not leave the device in a clean state where
+ it is available to be used again. Until this gets worked out, we will
+ leave it commented out. */
+
+static int atp870u_abort(struct scsi_cmnd * SCpnt)
+{
+ unsigned char j, k, c;
+ struct scsi_cmnd *workrequ;
+ struct atp_unit *dev;
+ struct Scsi_Host *host;
+ host = SCpnt->device->host;
+
+ dev = (struct atp_unit *)&host->hostdata;
+ c = scmd_channel(SCpnt);
+ printk(" atp870u: abort Channel = %x \n", c);
+ printk("working=%x last_cmd=%x ", dev->working[c], dev->last_cmd[c]);
+ printk(" quhdu=%x quendu=%x ", dev->quhd[c], dev->quend[c]);
+ for (j = 0; j < 0x18; j++) {
+ printk(" r%2x=%2x", j, atp_readb_io(dev, c, j));
+ }
+ printk(" r1c=%2x", atp_readb_io(dev, c, 0x1c));
+ printk(" r1f=%2x in_snd=%2x ", atp_readb_io(dev, c, 0x1f), dev->in_snd[c]);
+ printk(" d00=%2x", atp_readb_pci(dev, c, 0x00));
+ printk(" d02=%2x", atp_readb_pci(dev, c, 0x02));
+ for(j=0;j<16;j++) {
+ if (dev->id[c][j].curr_req != NULL) {
+ workrequ = dev->id[c][j].curr_req;
+ printk("\n que cdb= ");
+ for (k=0; k < workrequ->cmd_len; k++) {
+ printk(" %2x ",workrequ->cmnd[k]);
+ }
+ printk(" last_lenu= %x ",(unsigned int)dev->id[c][j].last_len);
+ }
+ }
+ return SUCCESS;
+}
+
+static const char *atp870u_info(struct Scsi_Host *notused)
+{
+ static char buffer[128];
+
+ strcpy(buffer, "ACARD AEC-6710/6712/67160 PCI Ultra/W/LVD SCSI-3 Adapter Driver V2.6+ac ");
+
+ return buffer;
+}
+
+static int atp870u_show_info(struct seq_file *m, struct Scsi_Host *HBAptr)
+{
+ seq_puts(m, "ACARD AEC-671X Driver Version: 2.6+ac\n\n"
+ "Adapter Configuration:\n");
+ seq_printf(m, " Base IO: %#.4lx\n", HBAptr->io_port);
+ seq_printf(m, " IRQ: %d\n", HBAptr->irq);
+ return 0;
+}
+
+
+static int atp870u_biosparam(struct scsi_device *disk, struct block_device *dev,
+ sector_t capacity, int *ip)
+{
+ int heads, sectors, cylinders;
+
+ heads = 64;
+ sectors = 32;
+ cylinders = (unsigned long)capacity / (heads * sectors);
+ if (cylinders > 1024) {
+ heads = 255;
+ sectors = 63;
+ cylinders = (unsigned long)capacity / (heads * sectors);
+ }
+ ip[0] = heads;
+ ip[1] = sectors;
+ ip[2] = cylinders;
+
+ return 0;
+}
+
+static void atp870u_remove (struct pci_dev *pdev)
+{
+ struct atp_unit *devext = pci_get_drvdata(pdev);
+ struct Scsi_Host *pshost = devext->host;
+
+ scsi_remove_host(pshost);
+ free_irq(pshost->irq, pshost);
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+ atp870u_free_tables(pshost);
+ scsi_host_put(pshost);
+}
+MODULE_LICENSE("GPL");
+
+static const struct scsi_host_template atp870u_template = {
+ .module = THIS_MODULE,
+ .name = "atp870u" /* name */,
+ .proc_name = "atp870u",
+ .show_info = atp870u_show_info,
+ .info = atp870u_info /* info */,
+ .queuecommand = atp870u_queuecommand /* queuecommand */,
+ .eh_abort_handler = atp870u_abort /* abort */,
+ .bios_param = atp870u_biosparam /* biosparm */,
+ .can_queue = qcnt /* can_queue */,
+ .this_id = 7 /* SCSI ID */,
+ .sg_tablesize = ATP870U_SCATTER /*SG_ALL*/,
+ .max_sectors = ATP870U_MAX_SECTORS,
+};
+
+static struct pci_device_id atp870u_id_table[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, ATP885_DEVID) },
+ { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, ATP880_DEVID1) },
+ { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, ATP880_DEVID2) },
+ { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7610) },
+ { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612UW) },
+ { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612U) },
+ { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612S) },
+ { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612D) },
+ { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612SUW) },
+ { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_8060) },
+ { 0, },
+};
+
+MODULE_DEVICE_TABLE(pci, atp870u_id_table);
+
+static struct pci_driver atp870u_driver = {
+ .id_table = atp870u_id_table,
+ .name = "atp870u",
+ .probe = atp870u_probe,
+ .remove = atp870u_remove,
+};
+
+module_pci_driver(atp870u_driver);
+
+static void atp_is(struct atp_unit *dev, unsigned char c, bool wide_chip,
+ unsigned char lvdmode)
+{
+ 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 };
+ unsigned char synu[6] = { 0x80, 1, 3, 1, 0x0a, 0x0e };
+ static unsigned char synw[6] = { 0x80, 1, 3, 1, 0x19, 0x0e };
+ static unsigned char synw_870[6] = { 0x80, 1, 3, 1, 0x0c, 0x07 };
+ unsigned char synuw[6] = { 0x80, 1, 3, 1, 0x0a, 0x0e };
+ static unsigned char wide[6] = { 0x80, 1, 2, 3, 1, 0 };
+ static unsigned char u3[9] = { 0x80, 1, 6, 4, 0x09, 00, 0x0e, 0x01, 0x02 };
+
+ for (i = 0; i < 16; i++) {
+ if (!wide_chip && (i > 7))
+ break;
+ m = 1;
+ m = m << i;
+ if ((m & dev->active_id[c]) != 0) {
+ continue;
+ }
+ if (i == dev->host_id[c]) {
+ printk(KERN_INFO " ID: %2d Host Adapter\n", dev->host_id[c]);
+ continue;
+ }
+ atp_writeb_io(dev, c, 0x1b, wide_chip ? 0x01 : 0x00);
+ atp_writeb_io(dev, c, 1, 0x08);
+ atp_writeb_io(dev, c, 2, 0x7f);
+ atp_writeb_io(dev, c, 3, satn[0]);
+ atp_writeb_io(dev, c, 4, satn[1]);
+ atp_writeb_io(dev, c, 5, satn[2]);
+ atp_writeb_io(dev, c, 6, satn[3]);
+ atp_writeb_io(dev, c, 7, satn[4]);
+ atp_writeb_io(dev, c, 8, satn[5]);
+ atp_writeb_io(dev, c, 0x0f, 0);
+ atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp);
+ atp_writeb_io(dev, c, 0x12, 0);
+ atp_writeb_io(dev, c, 0x13, satn[6]);
+ atp_writeb_io(dev, c, 0x14, satn[7]);
+ j = i;
+ if ((j & 0x08) != 0) {
+ j = (j & 0x07) | 0x40;
+ }
+ atp_writeb_io(dev, c, 0x15, j);
+ atp_writeb_io(dev, c, 0x18, satn[8]);
+
+ while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
+ cpu_relax();
+
+ if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e)
+ continue;
+
+ while (atp_readb_io(dev, c, 0x17) != 0x8e)
+ cpu_relax();
+
+ dev->active_id[c] |= m;
+
+ atp_writeb_io(dev, c, 0x10, 0x30);
+ if (is885(dev) || is880(dev))
+ atp_writeb_io(dev, c, 0x14, 0x00);
+ else /* result of is870() merge - is this a bug? */
+ atp_writeb_io(dev, c, 0x04, 0x00);
+
+phase_cmd:
+ atp_writeb_io(dev, c, 0x18, 0x08);
+
+ while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
+ cpu_relax();
+
+ j = atp_readb_io(dev, c, 0x17);
+ if (j != 0x16) {
+ atp_writeb_io(dev, c, 0x10, 0x41);
+ goto phase_cmd;
+ }
+sel_ok:
+ atp_writeb_io(dev, c, 3, inqd[0]);
+ atp_writeb_io(dev, c, 4, inqd[1]);
+ atp_writeb_io(dev, c, 5, inqd[2]);
+ atp_writeb_io(dev, c, 6, inqd[3]);
+ atp_writeb_io(dev, c, 7, inqd[4]);
+ atp_writeb_io(dev, c, 8, inqd[5]);
+ atp_writeb_io(dev, c, 0x0f, 0);
+ atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp);
+ atp_writeb_io(dev, c, 0x12, 0);
+ atp_writeb_io(dev, c, 0x13, inqd[6]);
+ atp_writeb_io(dev, c, 0x14, inqd[7]);
+ atp_writeb_io(dev, c, 0x18, inqd[8]);
+
+ while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
+ cpu_relax();
+
+ if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e)
+ continue;
+
+ while (atp_readb_io(dev, c, 0x17) != 0x8e)
+ cpu_relax();
+
+ if (wide_chip)
+ atp_writeb_io(dev, c, 0x1b, 0x00);
+
+ atp_writeb_io(dev, c, 0x18, 0x08);
+ j = 0;
+rd_inq_data:
+ k = atp_readb_io(dev, c, 0x1f);
+ if ((k & 0x01) != 0) {
+ mbuf[j++] = atp_readb_io(dev, c, 0x19);
+ goto rd_inq_data;
+ }
+ if ((k & 0x80) == 0) {
+ goto rd_inq_data;
+ }
+ j = atp_readb_io(dev, c, 0x17);
+ if (j == 0x16) {
+ goto inq_ok;
+ }
+ atp_writeb_io(dev, c, 0x10, 0x46);
+ atp_writeb_io(dev, c, 0x12, 0);
+ atp_writeb_io(dev, c, 0x13, 0);
+ atp_writeb_io(dev, c, 0x14, 0);
+ atp_writeb_io(dev, c, 0x18, 0x08);
+
+ while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
+ cpu_relax();
+
+ if (atp_readb_io(dev, c, 0x17) != 0x16)
+ goto sel_ok;
+
+inq_ok:
+ mbuf[36] = 0;
+ printk(KERN_INFO " ID: %2d %s\n", i, &mbuf[8]);
+ dev->id[c][i].devtype = mbuf[0];
+ rmb = mbuf[1];
+ n = mbuf[7];
+ if (!wide_chip)
+ goto not_wide;
+ if ((mbuf[7] & 0x60) == 0) {
+ goto not_wide;
+ }
+ if (is885(dev) || is880(dev)) {
+ if ((i < 8) && ((dev->global_map[c] & 0x20) == 0))
+ goto not_wide;
+ } else { /* result of is870() merge - is this a bug? */
+ if ((dev->global_map[c] & 0x20) == 0)
+ goto not_wide;
+ }
+ if (lvdmode == 0) {
+ goto chg_wide;
+ }
+ if (dev->sp[c][i] != 0x04) // force u2
+ {
+ goto chg_wide;
+ }
+
+ atp_writeb_io(dev, c, 0x1b, 0x01);
+ atp_writeb_io(dev, c, 3, satn[0]);
+ atp_writeb_io(dev, c, 4, satn[1]);
+ atp_writeb_io(dev, c, 5, satn[2]);
+ atp_writeb_io(dev, c, 6, satn[3]);
+ atp_writeb_io(dev, c, 7, satn[4]);
+ atp_writeb_io(dev, c, 8, satn[5]);
+ atp_writeb_io(dev, c, 0x0f, 0);
+ atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp);
+ atp_writeb_io(dev, c, 0x12, 0);
+ atp_writeb_io(dev, c, 0x13, satn[6]);
+ atp_writeb_io(dev, c, 0x14, satn[7]);
+ atp_writeb_io(dev, c, 0x18, satn[8]);
+
+ while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
+ cpu_relax();
+
+ if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e)
+ continue;
+
+ while (atp_readb_io(dev, c, 0x17) != 0x8e)
+ cpu_relax();
+
+try_u3:
+ j = 0;
+ atp_writeb_io(dev, c, 0x14, 0x09);
+ atp_writeb_io(dev, c, 0x18, 0x20);
+
+ while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) {
+ if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0)
+ atp_writeb_io(dev, c, 0x19, u3[j++]);
+ cpu_relax();
+ }
+
+ while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00)
+ cpu_relax();
+
+ j = atp_readb_io(dev, c, 0x17) & 0x0f;
+ if (j == 0x0f) {
+ goto u3p_in;
+ }
+ if (j == 0x0a) {
+ goto u3p_cmd;
+ }
+ if (j == 0x0e) {
+ goto try_u3;
+ }
+ continue;
+u3p_out:
+ atp_writeb_io(dev, c, 0x18, 0x20);
+ while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) {
+ if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0)
+ atp_writeb_io(dev, c, 0x19, 0);
+ cpu_relax();
+ }
+ j = atp_readb_io(dev, c, 0x17) & 0x0f;
+ if (j == 0x0f) {
+ goto u3p_in;
+ }
+ if (j == 0x0a) {
+ goto u3p_cmd;
+ }
+ if (j == 0x0e) {
+ goto u3p_out;
+ }
+ continue;
+u3p_in:
+ atp_writeb_io(dev, c, 0x14, 0x09);
+ atp_writeb_io(dev, c, 0x18, 0x20);
+ k = 0;
+u3p_in1:
+ j = atp_readb_io(dev, c, 0x1f);
+ if ((j & 0x01) != 0) {
+ mbuf[k++] = atp_readb_io(dev, c, 0x19);
+ goto u3p_in1;
+ }
+ if ((j & 0x80) == 0x00) {
+ goto u3p_in1;
+ }
+ j = atp_readb_io(dev, c, 0x17) & 0x0f;
+ if (j == 0x0f) {
+ goto u3p_in;
+ }
+ if (j == 0x0a) {
+ goto u3p_cmd;
+ }
+ if (j == 0x0e) {
+ goto u3p_out;
+ }
+ continue;
+u3p_cmd:
+ atp_writeb_io(dev, c, 0x10, 0x30);
+ atp_writeb_io(dev, c, 0x14, 0x00);
+ atp_writeb_io(dev, c, 0x18, 0x08);
+
+ while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00);
+
+ j = atp_readb_io(dev, c, 0x17);
+ if (j != 0x16) {
+ if (j == 0x4e) {
+ goto u3p_out;
+ }
+ continue;
+ }
+ if (mbuf[0] != 0x01) {
+ goto chg_wide;
+ }
+ if (mbuf[1] != 0x06) {
+ goto chg_wide;
+ }
+ if (mbuf[2] != 0x04) {
+ goto chg_wide;
+ }
+ if (mbuf[3] == 0x09) {
+ m = 1;
+ m = m << i;
+ dev->wide_id[c] |= m;
+ dev->id[c][i].devsp = 0xce;
+#ifdef ED_DBGP
+ printk("dev->id[%2d][%2d].devsp = %2x\n",
+ c, i, dev->id[c][i].devsp);
+#endif
+ continue;
+ }
+chg_wide:
+ atp_writeb_io(dev, c, 0x1b, 0x01);
+ atp_writeb_io(dev, c, 3, satn[0]);
+ atp_writeb_io(dev, c, 4, satn[1]);
+ atp_writeb_io(dev, c, 5, satn[2]);
+ atp_writeb_io(dev, c, 6, satn[3]);
+ atp_writeb_io(dev, c, 7, satn[4]);
+ atp_writeb_io(dev, c, 8, satn[5]);
+ atp_writeb_io(dev, c, 0x0f, 0);
+ atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp);
+ atp_writeb_io(dev, c, 0x12, 0);
+ atp_writeb_io(dev, c, 0x13, satn[6]);
+ atp_writeb_io(dev, c, 0x14, satn[7]);
+ atp_writeb_io(dev, c, 0x18, satn[8]);
+
+ while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
+ cpu_relax();
+
+ if (atp_readb_io(dev, c, 0x17) != 0x11 &&
+ atp_readb_io(dev, c, 0x17) != 0x8e)
+ continue;
+
+ while (atp_readb_io(dev, c, 0x17) != 0x8e)
+ cpu_relax();
+
+try_wide:
+ j = 0;
+ atp_writeb_io(dev, c, 0x14, 0x05);
+ atp_writeb_io(dev, c, 0x18, 0x20);
+
+ while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) {
+ if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0)
+ atp_writeb_io(dev, c, 0x19, wide[j++]);
+ cpu_relax();
+ }
+
+ while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00)
+ cpu_relax();
+
+ j = atp_readb_io(dev, c, 0x17) & 0x0f;
+ if (j == 0x0f) {
+ goto widep_in;
+ }
+ if (j == 0x0a) {
+ goto widep_cmd;
+ }
+ if (j == 0x0e) {
+ goto try_wide;
+ }
+ continue;
+widep_out:
+ atp_writeb_io(dev, c, 0x18, 0x20);
+ while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) {
+ if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0)
+ atp_writeb_io(dev, c, 0x19, 0);
+ cpu_relax();
+ }
+ j = atp_readb_io(dev, c, 0x17) & 0x0f;
+ if (j == 0x0f) {
+ goto widep_in;
+ }
+ if (j == 0x0a) {
+ goto widep_cmd;
+ }
+ if (j == 0x0e) {
+ goto widep_out;
+ }
+ continue;
+widep_in:
+ atp_writeb_io(dev, c, 0x14, 0xff);
+ atp_writeb_io(dev, c, 0x18, 0x20);
+ k = 0;
+widep_in1:
+ j = atp_readb_io(dev, c, 0x1f);
+ if ((j & 0x01) != 0) {
+ mbuf[k++] = atp_readb_io(dev, c, 0x19);
+ goto widep_in1;
+ }
+ if ((j & 0x80) == 0x00) {
+ goto widep_in1;
+ }
+ j = atp_readb_io(dev, c, 0x17) & 0x0f;
+ if (j == 0x0f) {
+ goto widep_in;
+ }
+ if (j == 0x0a) {
+ goto widep_cmd;
+ }
+ if (j == 0x0e) {
+ goto widep_out;
+ }
+ continue;
+widep_cmd:
+ atp_writeb_io(dev, c, 0x10, 0x30);
+ atp_writeb_io(dev, c, 0x14, 0x00);
+ atp_writeb_io(dev, c, 0x18, 0x08);
+
+ while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
+ cpu_relax();
+
+ j = atp_readb_io(dev, c, 0x17);
+ 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[c] |= m;
+not_wide:
+ if ((dev->id[c][i].devtype == 0x00) ||
+ (dev->id[c][i].devtype == 0x07) ||
+ ((dev->id[c][i].devtype == 0x05) && ((n & 0x10) != 0))) {
+ m = 1;
+ m = m << i;
+ if ((dev->async[c] & m) != 0) {
+ goto set_sync;
+ }
+ }
+ continue;
+set_sync:
+ if ((!is885(dev) && !is880(dev)) || (dev->sp[c][i] == 0x02)) {
+ synu[4] = 0x0c;
+ synuw[4] = 0x0c;
+ } else {
+ if (dev->sp[c][i] >= 0x03) {
+ synu[4] = 0x0a;
+ synuw[4] = 0x0a;
+ }
+ }
+ j = 0;
+ if ((m & dev->wide_id[c]) != 0) {
+ j |= 0x01;
+ }
+ atp_writeb_io(dev, c, 0x1b, j);
+ atp_writeb_io(dev, c, 3, satn[0]);
+ atp_writeb_io(dev, c, 4, satn[1]);
+ atp_writeb_io(dev, c, 5, satn[2]);
+ atp_writeb_io(dev, c, 6, satn[3]);
+ atp_writeb_io(dev, c, 7, satn[4]);
+ atp_writeb_io(dev, c, 8, satn[5]);
+ atp_writeb_io(dev, c, 0x0f, 0);
+ atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp);
+ atp_writeb_io(dev, c, 0x12, 0);
+ atp_writeb_io(dev, c, 0x13, satn[6]);
+ atp_writeb_io(dev, c, 0x14, satn[7]);
+ atp_writeb_io(dev, c, 0x18, satn[8]);
+
+ while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
+ cpu_relax();
+
+ if (atp_readb_io(dev, c, 0x17) != 0x11 &&
+ atp_readb_io(dev, c, 0x17) != 0x8e)
+ continue;
+
+ while (atp_readb_io(dev, c, 0x17) != 0x8e)
+ cpu_relax();
+
+try_sync:
+ j = 0;
+ atp_writeb_io(dev, c, 0x14, 0x06);
+ atp_writeb_io(dev, c, 0x18, 0x20);
+
+ while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) {
+ if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0) {
+ if ((m & dev->wide_id[c]) != 0) {
+ if (is885(dev) || is880(dev)) {
+ if ((m & dev->ultra_map[c]) != 0) {
+ atp_writeb_io(dev, c, 0x19, synuw[j++]);
+ } else {
+ atp_writeb_io(dev, c, 0x19, synw[j++]);
+ }
+ } else
+ atp_writeb_io(dev, c, 0x19, synw_870[j++]);
+ } else {
+ if ((m & dev->ultra_map[c]) != 0) {
+ atp_writeb_io(dev, c, 0x19, synu[j++]);
+ } else {
+ atp_writeb_io(dev, c, 0x19, synn[j++]);
+ }
+ }
+ }
+ }
+
+ while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00)
+ cpu_relax();
+
+ j = atp_readb_io(dev, c, 0x17) & 0x0f;
+ if (j == 0x0f) {
+ goto phase_ins;
+ }
+ if (j == 0x0a) {
+ goto phase_cmds;
+ }
+ if (j == 0x0e) {
+ goto try_sync;
+ }
+ continue;
+phase_outs:
+ atp_writeb_io(dev, c, 0x18, 0x20);
+ while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) {
+ if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0x00)
+ atp_writeb_io(dev, c, 0x19, 0x00);
+ cpu_relax();
+ }
+ j = atp_readb_io(dev, c, 0x17);
+ if (j == 0x85) {
+ goto tar_dcons;
+ }
+ j &= 0x0f;
+ if (j == 0x0f) {
+ goto phase_ins;
+ }
+ if (j == 0x0a) {
+ goto phase_cmds;
+ }
+ if (j == 0x0e) {
+ goto phase_outs;
+ }
+ continue;
+phase_ins:
+ if (is885(dev) || is880(dev))
+ atp_writeb_io(dev, c, 0x14, 0x06);
+ else
+ atp_writeb_io(dev, c, 0x14, 0xff);
+ atp_writeb_io(dev, c, 0x18, 0x20);
+ k = 0;
+phase_ins1:
+ j = atp_readb_io(dev, c, 0x1f);
+ if ((j & 0x01) != 0x00) {
+ mbuf[k++] = atp_readb_io(dev, c, 0x19);
+ goto phase_ins1;
+ }
+ if ((j & 0x80) == 0x00) {
+ goto phase_ins1;
+ }
+
+ while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00);
+
+ j = atp_readb_io(dev, c, 0x17);
+ if (j == 0x85) {
+ goto tar_dcons;
+ }
+ j &= 0x0f;
+ if (j == 0x0f) {
+ goto phase_ins;
+ }
+ if (j == 0x0a) {
+ goto phase_cmds;
+ }
+ if (j == 0x0e) {
+ goto phase_outs;
+ }
+ continue;
+phase_cmds:
+ atp_writeb_io(dev, c, 0x10, 0x30);
+tar_dcons:
+ atp_writeb_io(dev, c, 0x14, 0x00);
+ atp_writeb_io(dev, c, 0x18, 0x08);
+
+ while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
+ cpu_relax();
+
+ j = atp_readb_io(dev, c, 0x17);
+ if (j != 0x16) {
+ continue;
+ }
+ if (mbuf[0] != 0x01) {
+ continue;
+ }
+ if (mbuf[1] != 0x03) {
+ continue;
+ }
+ if (mbuf[4] == 0x00) {
+ continue;
+ }
+ if (mbuf[3] > 0x64) {
+ continue;
+ }
+ if (is885(dev) || is880(dev)) {
+ if (mbuf[4] > 0x0e) {
+ mbuf[4] = 0x0e;
+ }
+ } else {
+ if (mbuf[4] > 0x0c) {
+ mbuf[4] = 0x0c;
+ }
+ }
+ dev->id[c][i].devsp = mbuf[4];
+ if (is885(dev) || is880(dev))
+ if (mbuf[3] < 0x0c) {
+ j = 0xb0;
+ goto set_syn_ok;
+ }
+ if ((mbuf[3] < 0x0d) && (rmb == 0)) {
+ j = 0xa0;
+ goto set_syn_ok;
+ }
+ if (mbuf[3] < 0x1a) {
+ j = 0x20;
+ goto set_syn_ok;
+ }
+ if (mbuf[3] < 0x33) {
+ j = 0x40;
+ goto set_syn_ok;
+ }
+ if (mbuf[3] < 0x4c) {
+ j = 0x50;
+ goto set_syn_ok;
+ }
+ j = 0x60;
+set_syn_ok:
+ dev->id[c][i].devsp = (dev->id[c][i].devsp & 0x0f) | j;
+#ifdef ED_DBGP
+ printk("dev->id[%2d][%2d].devsp = %2x\n",
+ c,i,dev->id[c][i].devsp);
+#endif
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-03 06:57:39 +0000