Staging: vme: Enable drivers to handle more than one bridge

At the moment the vme bridge drivers are written in a way that only
allows them to support one bridge at a time. Modify the drivers to
enable more than one bridge to be present per board.

Signed-off-by: Martyn Welch <martyn.welch@ge.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/vme/TODO

@@ -47,7 +47,6 @@ Bridge Support
 Tempe (tsi148)
 --------------
 
-- Driver can currently only support a single bridge.
 - 2eSST Broadcast mode.
 - Mailboxes unsupported.
 - Improve error detection.
@@ -58,7 +57,6 @@ Tempe (tsi148)
 Universe II (ca91c142)
 ----------------------
 
-- Driver can currently only support a single bridge.
 - DMA unsupported.
 - RMW transactions unsupported.
 - Location Monitors unsupported.

drivers/staging/vme/bridges/vme_ca91cx42.c

@@ -41,24 +41,6 @@ static void __exit ca91cx42_exit(void);
 /* Module parameters */
 static int geoid;
 
-static struct vme_bridge *ca91cx42_bridge;
-static wait_queue_head_t dma_queue;
-static wait_queue_head_t iack_queue;
-#if 0
-static wait_queue_head_t lm_queue;
-#endif
-static wait_queue_head_t mbox_queue;
-
-static void (*lm_callback[4])(int);	/* Called in interrupt handler */
-static void *crcsr_kernel;
-static dma_addr_t crcsr_bus;
-
-static struct mutex vme_rmw;	/* Only one RMW cycle at a time */
-static struct mutex vme_int;	/*
-				 * Only one VME interrupt can be
-				 * generated at a time, provide locking
-				 */
-
 static char driver_name[] = "vme_ca91cx42";
 
 static const struct pci_device_id ca91cx42_ids[] = {
@@ -73,14 +55,14 @@ static struct pci_driver ca91cx42_driver = {
 	.remove = ca91cx42_remove,
 };
 
-static u32 ca91cx42_DMA_irqhandler(void)
+static u32 ca91cx42_DMA_irqhandler(struct ca91cx42_driver *bridge)
 {
-	wake_up(&dma_queue);
+	wake_up(&(bridge->dma_queue));
 
 	return CA91CX42_LINT_DMA;
 }
 
-static u32 ca91cx42_LM_irqhandler(u32 stat)
+static u32 ca91cx42_LM_irqhandler(struct ca91cx42_driver *bridge, u32 stat)
 {
 	int i;
 	u32 serviced = 0;
@@ -88,7 +70,7 @@ static u32 ca91cx42_LM_irqhandler(u32 stat)
 	for (i = 0; i < 4; i++) {
 		if (stat & CA91CX42_LINT_LM[i]) {
 			/* We only enable interrupts if the callback is set */
-			lm_callback[i](i);
+			bridge->lm_callback[i](i);
 			serviced |= CA91CX42_LINT_LM[i];
 		}
 	}
@@ -97,16 +79,16 @@ static u32 ca91cx42_LM_irqhandler(u32 stat)
 }
 
 /* XXX This needs to be split into 4 queues */
-static u32 ca91cx42_MB_irqhandler(int mbox_mask)
+static u32 ca91cx42_MB_irqhandler(struct ca91cx42_driver *bridge, int mbox_mask)
 {
-	wake_up(&mbox_queue);
+	wake_up(&(bridge->mbox_queue));
 
 	return CA91CX42_LINT_MBOX;
 }
 
-static u32 ca91cx42_IACK_irqhandler(void)
+static u32 ca91cx42_IACK_irqhandler(struct ca91cx42_driver *bridge)
 {
-	wake_up(&iack_queue);
+	wake_up(&(bridge->iack_queue));
 
 	return CA91CX42_LINT_SW_IACK;
 }
@@ -115,22 +97,22 @@ static u32 ca91cx42_IACK_irqhandler(void)
 int ca91cx42_bus_error_chk(int clrflag)
 {
 	int tmp;
-	tmp = ioread32(ca91cx42_bridge->base + PCI_COMMAND);
+	tmp = ioread32(bridge->base + PCI_COMMAND);
 	if (tmp & 0x08000000) {	/* S_TA is Set */
 		if (clrflag)
 			iowrite32(tmp | 0x08000000,
-			       ca91cx42_bridge->base + PCI_COMMAND);
+			       bridge->base + PCI_COMMAND);
 		return 1;
 	}
 	return 0;
 }
 #endif
 
-static u32 ca91cx42_VERR_irqhandler(void)
+static u32 ca91cx42_VERR_irqhandler(struct ca91cx42_driver *bridge)
 {
 	int val;
 
-	val = ioread32(ca91cx42_bridge->base + DGCS);
+	val = ioread32(bridge->base + DGCS);
 
 	if (!(val & 0x00000800)) {
 		printk(KERN_ERR "ca91c042: ca91cx42_VERR_irqhandler DMA Read "
@@ -140,11 +122,11 @@ static u32 ca91cx42_VERR_irqhandler(void)
 	return CA91CX42_LINT_VERR;
 }
 
-static u32 ca91cx42_LERR_irqhandler(void)
+static u32 ca91cx42_LERR_irqhandler(struct ca91cx42_driver *bridge)
 {
 	int val;
 
-	val = ioread32(ca91cx42_bridge->base + DGCS);
+	val = ioread32(bridge->base + DGCS);
 
 	if (!(val & 0x00000800)) {
 		printk(KERN_ERR "ca91c042: ca91cx42_LERR_irqhandler DMA Read "
@@ -156,13 +138,18 @@ static u32 ca91cx42_LERR_irqhandler(void)
 }
 
 
-static u32 ca91cx42_VIRQ_irqhandler(int stat)
+static u32 ca91cx42_VIRQ_irqhandler(struct vme_bridge *ca91cx42_bridge,
+	int stat)
 {
 	int vec, i, serviced = 0;
+	struct ca91cx42_driver *bridge;
+
+	bridge = ca91cx42_bridge->driver_priv;
+
 
 	for (i = 7; i > 0; i--) {
 		if (stat & (1 << i)) {
-			vec = ioread32(ca91cx42_bridge->base +
+			vec = ioread32(bridge->base +
 				CA91CX42_V_STATID[i]) & 0xff;
 
 			vme_irq_handler(ca91cx42_bridge, i, vec);
@@ -174,15 +161,18 @@ static u32 ca91cx42_VIRQ_irqhandler(int stat)
 	return serviced;
 }
 
-static irqreturn_t ca91cx42_irqhandler(int irq, void *dev_id)
+static irqreturn_t ca91cx42_irqhandler(int irq, void *ptr)
 {
 	u32 stat, enable, serviced = 0;
+	struct vme_bridge *ca91cx42_bridge;
+	struct ca91cx42_driver *bridge;
 
-	if (dev_id != ca91cx42_bridge->base)
-		return IRQ_NONE;
+	ca91cx42_bridge = ptr;
 
-	enable = ioread32(ca91cx42_bridge->base + LINT_EN);
-	stat = ioread32(ca91cx42_bridge->base + LINT_STAT);
+	bridge = ca91cx42_bridge->driver_priv;
+
+	enable = ioread32(bridge->base + LINT_EN);
+	stat = ioread32(bridge->base + LINT_STAT);
 
 	/* Only look at unmasked interrupts */
 	stat &= enable;
@@ -191,42 +181,45 @@ static irqreturn_t ca91cx42_irqhandler(int irq, void *dev_id)
 		return IRQ_NONE;
 
 	if (stat & CA91CX42_LINT_DMA)
-		serviced |= ca91cx42_DMA_irqhandler();
+		serviced |= ca91cx42_DMA_irqhandler(bridge);
 	if (stat & (CA91CX42_LINT_LM0 | CA91CX42_LINT_LM1 | CA91CX42_LINT_LM2 |
 			CA91CX42_LINT_LM3))
-		serviced |= ca91cx42_LM_irqhandler(stat);
+		serviced |= ca91cx42_LM_irqhandler(bridge, stat);
 	if (stat & CA91CX42_LINT_MBOX)
-		serviced |= ca91cx42_MB_irqhandler(stat);
+		serviced |= ca91cx42_MB_irqhandler(bridge, stat);
 	if (stat & CA91CX42_LINT_SW_IACK)
-		serviced |= ca91cx42_IACK_irqhandler();
+		serviced |= ca91cx42_IACK_irqhandler(bridge);
 	if (stat & CA91CX42_LINT_VERR)
-		serviced |= ca91cx42_VERR_irqhandler();
+		serviced |= ca91cx42_VERR_irqhandler(bridge);
 	if (stat & CA91CX42_LINT_LERR)
-		serviced |= ca91cx42_LERR_irqhandler();
+		serviced |= ca91cx42_LERR_irqhandler(bridge);
 	if (stat & (CA91CX42_LINT_VIRQ1 | CA91CX42_LINT_VIRQ2 |
 			CA91CX42_LINT_VIRQ3 | CA91CX42_LINT_VIRQ4 |
 			CA91CX42_LINT_VIRQ5 | CA91CX42_LINT_VIRQ6 |
 			CA91CX42_LINT_VIRQ7))
-		serviced |= ca91cx42_VIRQ_irqhandler(stat);
+		serviced |= ca91cx42_VIRQ_irqhandler(ca91cx42_bridge, stat);
 
 	/* Clear serviced interrupts */
-	iowrite32(stat, ca91cx42_bridge->base + LINT_STAT);
+	iowrite32(stat, bridge->base + LINT_STAT);
 
 	return IRQ_HANDLED;
 }
 
-static int ca91cx42_irq_init(struct vme_bridge *bridge)
+static int ca91cx42_irq_init(struct vme_bridge *ca91cx42_bridge)
 {
 	int result, tmp;
 	struct pci_dev *pdev;
+	struct ca91cx42_driver *bridge;
+
+	bridge = ca91cx42_bridge->driver_priv;
 
 	/* Need pdev */
-	pdev = container_of(bridge->parent, struct pci_dev, dev);
+	pdev = container_of(ca91cx42_bridge->parent, struct pci_dev, dev);
 
 	/* Initialise list for VME bus errors */
-	INIT_LIST_HEAD(&(bridge->vme_errors));
+	INIT_LIST_HEAD(&(ca91cx42_bridge->vme_errors));
 
-	mutex_init(&(bridge->irq_mtx));
+	mutex_init(&(ca91cx42_bridge->irq_mtx));
 
 	/* Disable interrupts from PCI to VME */
 	iowrite32(0, bridge->base + VINT_EN);
@@ -237,7 +230,7 @@ static int ca91cx42_irq_init(struct vme_bridge *bridge)
 	iowrite32(0x00FFFFFF, bridge->base + LINT_STAT);
 
 	result = request_irq(pdev->irq, ca91cx42_irqhandler, IRQF_SHARED,
-			driver_name, pdev);
+			driver_name, ca91cx42_bridge);
 	if (result) {
 		dev_err(&pdev->dev, "Can't get assigned pci irq vector %02X\n",
 		       pdev->irq);
@@ -259,15 +252,16 @@ static int ca91cx42_irq_init(struct vme_bridge *bridge)
 	return 0;
 }
 
-static void ca91cx42_irq_exit(struct pci_dev *pdev)
+static void ca91cx42_irq_exit(struct ca91cx42_driver *bridge,
+	struct pci_dev *pdev)
 {
 	/* Disable interrupts from PCI to VME */
-	iowrite32(0, ca91cx42_bridge->base + VINT_EN);
+	iowrite32(0, bridge->base + VINT_EN);
 
 	/* Disable PCI interrupts */
-	iowrite32(0, ca91cx42_bridge->base + LINT_EN);
+	iowrite32(0, bridge->base + LINT_EN);
 	/* Clear Any Pending PCI Interrupts */
-	iowrite32(0x00FFFFFF, ca91cx42_bridge->base + LINT_STAT);
+	iowrite32(0x00FFFFFF, bridge->base + LINT_STAT);
 
 	free_irq(pdev->irq, pdev);
 }
@@ -275,21 +269,25 @@ static void ca91cx42_irq_exit(struct pci_dev *pdev)
 /*
  * Set up an VME interrupt
  */
-void ca91cx42_irq_set(int level, int state, int sync)
+void ca91cx42_irq_set(struct vme_bridge *ca91cx42_bridge, int level, int state,
+	int sync)
 
 {
 	struct pci_dev *pdev;
 	u32 tmp;
+	struct ca91cx42_driver *bridge;
+
+	bridge = ca91cx42_bridge->driver_priv;
 
 	/* Enable IRQ level */
-	tmp = ioread32(ca91cx42_bridge->base + LINT_EN);
+	tmp = ioread32(bridge->base + LINT_EN);
 
 	if (state == 0)
 		tmp &= ~CA91CX42_LINT_VIRQ[level];
 	else
 		tmp |= CA91CX42_LINT_VIRQ[level];
 
-	iowrite32(tmp, ca91cx42_bridge->base + LINT_EN);
+	iowrite32(tmp, bridge->base + LINT_EN);
 
 	if ((state == 0) && (sync != 0)) {
 		pdev = container_of(ca91cx42_bridge->parent, struct pci_dev,
@@ -299,34 +297,38 @@ void ca91cx42_irq_set(int level, int state, int sync)
 	}
 }
 
-int ca91cx42_irq_generate(int level, int statid)
+int ca91cx42_irq_generate(struct vme_bridge *ca91cx42_bridge, int level,
+	int statid)
 {
 	u32 tmp;
+	struct ca91cx42_driver *bridge;
+
+	bridge = ca91cx42_bridge->driver_priv;
 
 	/* Universe can only generate even vectors */
 	if (statid & 1)
 		return -EINVAL;
 
-	mutex_lock(&(vme_int));
+	mutex_lock(&(bridge->vme_int));
 
-	tmp = ioread32(ca91cx42_bridge->base + VINT_EN);
+	tmp = ioread32(bridge->base + VINT_EN);
 
 	/* Set Status/ID */
-	iowrite32(statid << 24, ca91cx42_bridge->base + STATID);
+	iowrite32(statid << 24, bridge->base + STATID);
 
 	/* Assert VMEbus IRQ */
 	tmp = tmp | (1 << (level + 24));
-	iowrite32(tmp, ca91cx42_bridge->base + VINT_EN);
+	iowrite32(tmp, bridge->base + VINT_EN);
 
 	/* Wait for IACK */
-	wait_event_interruptible(iack_queue, 0);
+	wait_event_interruptible(bridge->iack_queue, 0);
 
 	/* Return interrupt to low state */
-	tmp = ioread32(ca91cx42_bridge->base + VINT_EN);
+	tmp = ioread32(bridge->base + VINT_EN);
 	tmp = tmp & ~(1 << (level + 24));
-	iowrite32(tmp, ca91cx42_bridge->base + VINT_EN);
+	iowrite32(tmp, bridge->base + VINT_EN);
 
-	mutex_unlock(&(vme_int));
+	mutex_unlock(&(bridge->vme_int));
 
 	return 0;
 }
@@ -338,6 +340,9 @@ int ca91cx42_slave_set(struct vme_slave_resource *image, int enabled,
 	unsigned int i, addr = 0, granularity = 0;
 	unsigned int temp_ctl = 0;
 	unsigned int vme_bound, pci_offset;
+	struct ca91cx42_driver *bridge;
+
+	bridge = image->parent->driver_priv;
 
 	i = image->number;
 
@@ -397,14 +402,14 @@ int ca91cx42_slave_set(struct vme_slave_resource *image, int enabled,
 	}
 
 	/* Disable while we are mucking around */
-	temp_ctl = ioread32(ca91cx42_bridge->base + CA91CX42_VSI_CTL[i]);
+	temp_ctl = ioread32(bridge->base + CA91CX42_VSI_CTL[i]);
 	temp_ctl &= ~CA91CX42_VSI_CTL_EN;
-	iowrite32(temp_ctl, ca91cx42_bridge->base + CA91CX42_VSI_CTL[i]);
+	iowrite32(temp_ctl, bridge->base + CA91CX42_VSI_CTL[i]);
 
 	/* Setup mapping */
-	iowrite32(vme_base, ca91cx42_bridge->base + CA91CX42_VSI_BS[i]);
-	iowrite32(vme_bound, ca91cx42_bridge->base + CA91CX42_VSI_BD[i]);
-	iowrite32(pci_offset, ca91cx42_bridge->base + CA91CX42_VSI_TO[i]);
+	iowrite32(vme_base, bridge->base + CA91CX42_VSI_BS[i]);
+	iowrite32(vme_bound, bridge->base + CA91CX42_VSI_BD[i]);
+	iowrite32(pci_offset, bridge->base + CA91CX42_VSI_TO[i]);
 
 /* XXX Prefetch stuff currently unsupported */
 #if 0
@@ -434,12 +439,12 @@ int ca91cx42_slave_set(struct vme_slave_resource *image, int enabled,
 		temp_ctl |= CA91CX42_VSI_CTL_PGM_DATA;
 
 	/* Write ctl reg without enable */
-	iowrite32(temp_ctl, ca91cx42_bridge->base + CA91CX42_VSI_CTL[i]);
+	iowrite32(temp_ctl, bridge->base + CA91CX42_VSI_CTL[i]);
 
 	if (enabled)
 		temp_ctl |= CA91CX42_VSI_CTL_EN;
 
-	iowrite32(temp_ctl, ca91cx42_bridge->base + CA91CX42_VSI_CTL[i]);
+	iowrite32(temp_ctl, bridge->base + CA91CX42_VSI_CTL[i]);
 
 	return 0;
 }
@@ -450,6 +455,9 @@ int ca91cx42_slave_get(struct vme_slave_resource *image, int *enabled,
 {
 	unsigned int i, granularity = 0, ctl = 0;
 	unsigned long long vme_bound, pci_offset;
+	struct ca91cx42_driver *bridge;
+
+	bridge = image->parent->driver_priv;
 
 	i = image->number;
 
@@ -459,11 +467,11 @@ int ca91cx42_slave_get(struct vme_slave_resource *image, int *enabled,
 		granularity = 0x10000;
 
 	/* Read Registers */
-	ctl = ioread32(ca91cx42_bridge->base + CA91CX42_VSI_CTL[i]);
+	ctl = ioread32(bridge->base + CA91CX42_VSI_CTL[i]);
 
-	*vme_base = ioread32(ca91cx42_bridge->base + CA91CX42_VSI_BS[i]);
-	vme_bound = ioread32(ca91cx42_bridge->base + CA91CX42_VSI_BD[i]);
-	pci_offset = ioread32(ca91cx42_bridge->base + CA91CX42_VSI_TO[i]);
+	*vme_base = ioread32(bridge->base + CA91CX42_VSI_BS[i]);
+	vme_bound = ioread32(bridge->base + CA91CX42_VSI_BD[i]);
+	pci_offset = ioread32(bridge->base + CA91CX42_VSI_TO[i]);
 
 	*pci_base = (dma_addr_t)vme_base + pci_offset;
 	*size = (unsigned long long)((vme_bound - *vme_base) + granularity);
@@ -507,6 +515,9 @@ static int ca91cx42_alloc_resource(struct vme_master_resource *image,
 	unsigned long long existing_size;
 	int retval = 0;
 	struct pci_dev *pdev;
+	struct vme_bridge *ca91cx42_bridge;
+
+	ca91cx42_bridge = image->parent;
 
 	/* Find pci_dev container of dev */
 	if (ca91cx42_bridge->parent == NULL) {
@@ -601,6 +612,9 @@ int ca91cx42_master_set(struct vme_master_resource *image, int enabled,
 	unsigned int i;
 	unsigned int temp_ctl = 0;
 	unsigned long long pci_bound, vme_offset, pci_base;
+	struct ca91cx42_driver *bridge;
+
+	bridge = image->parent->driver_priv;
 
 	/* Verify input data */
 	if (vme_base & 0xFFF) {
@@ -644,9 +658,9 @@ int ca91cx42_master_set(struct vme_master_resource *image, int enabled,
 	i = image->number;
 
 	/* Disable while we are mucking around */
-	temp_ctl = ioread32(ca91cx42_bridge->base + CA91CX42_LSI_CTL[i]);
+	temp_ctl = ioread32(bridge->base + CA91CX42_LSI_CTL[i]);
 	temp_ctl &= ~CA91CX42_LSI_CTL_EN;
-	iowrite32(temp_ctl, ca91cx42_bridge->base + CA91CX42_LSI_CTL[i]);
+	iowrite32(temp_ctl, bridge->base + CA91CX42_LSI_CTL[i]);
 
 /* XXX Prefetch stuff currently unsupported */
 #if 0
@@ -723,17 +737,17 @@ int ca91cx42_master_set(struct vme_master_resource *image, int enabled,
 		temp_ctl |= CA91CX42_LSI_CTL_PGM_PGM;
 
 	/* Setup mapping */
-	iowrite32(pci_base, ca91cx42_bridge->base + CA91CX42_LSI_BS[i]);
-	iowrite32(pci_bound, ca91cx42_bridge->base + CA91CX42_LSI_BD[i]);
-	iowrite32(vme_offset, ca91cx42_bridge->base + CA91CX42_LSI_TO[i]);
+	iowrite32(pci_base, bridge->base + CA91CX42_LSI_BS[i]);
+	iowrite32(pci_bound, bridge->base + CA91CX42_LSI_BD[i]);
+	iowrite32(vme_offset, bridge->base + CA91CX42_LSI_TO[i]);
 
 	/* Write ctl reg without enable */
-	iowrite32(temp_ctl, ca91cx42_bridge->base + CA91CX42_LSI_CTL[i]);
+	iowrite32(temp_ctl, bridge->base + CA91CX42_LSI_CTL[i]);
 
 	if (enabled)
 		temp_ctl |= CA91CX42_LSI_CTL_EN;
 
-	iowrite32(temp_ctl, ca91cx42_bridge->base + CA91CX42_LSI_CTL[i]);
+	iowrite32(temp_ctl, bridge->base + CA91CX42_LSI_CTL[i]);
 
 	spin_unlock(&(image->lock));
 	return 0;
@@ -752,14 +766,17 @@ int __ca91cx42_master_get(struct vme_master_resource *image, int *enabled,
 {
 	unsigned int i, ctl;
 	unsigned long long pci_base, pci_bound, vme_offset;
+	struct ca91cx42_driver *bridge;
+
+	bridge = image->parent->driver_priv;
 
 	i = image->number;
 
-	ctl = ioread32(ca91cx42_bridge->base + CA91CX42_LSI_CTL[i]);
+	ctl = ioread32(bridge->base + CA91CX42_LSI_CTL[i]);
 
-	pci_base = ioread32(ca91cx42_bridge->base + CA91CX42_LSI_BS[i]);
-	vme_offset = ioread32(ca91cx42_bridge->base + CA91CX42_LSI_TO[i]);
-	pci_bound = ioread32(ca91cx42_bridge->base + CA91CX42_LSI_BD[i]);
+	pci_base = ioread32(bridge->base + CA91CX42_LSI_BS[i]);
+	vme_offset = ioread32(bridge->base + CA91CX42_LSI_TO[i]);
+	pci_bound = ioread32(bridge->base + CA91CX42_LSI_BD[i]);
 
 	*vme_base = pci_base + vme_offset;
 	*size = (pci_bound - pci_base) + 0x1000;
@@ -882,12 +899,15 @@ ssize_t ca91cx42_master_write(struct vme_master_resource *image, void *buf,
 	return retval;
 }
 
-int ca91cx42_slot_get(void)
+int ca91cx42_slot_get(struct vme_bridge *ca91cx42_bridge)
 {
 	u32 slot = 0;
+	struct ca91cx42_driver *bridge;
+
+	bridge = ca91cx42_bridge->driver_priv;
 
 	if (!geoid) {
-		slot = ioread32(ca91cx42_bridge->base + VCSR_BS);
+		slot = ioread32(bridge->base + VCSR_BS);
 		slot = ((slot & CA91CX42_VCSR_BS_SLOT_M) >> 27);
 	} else
 		slot = geoid;
@@ -909,19 +929,23 @@ static int __init ca91cx42_init(void)
  * Auto-ID or Geographic address. This function ensures that the window is
  * enabled at an offset consistent with the boards geopgraphic address.
  */
-static int ca91cx42_crcsr_init(struct pci_dev *pdev)
+static int ca91cx42_crcsr_init(struct vme_bridge *ca91cx42_bridge,
+	struct pci_dev *pdev)
 {
 	unsigned int crcsr_addr;
 	int tmp, slot;
+	struct ca91cx42_driver *bridge;
+
+	bridge = ca91cx42_bridge->driver_priv;
 
 /* XXX We may need to set this somehow as the Universe II does not support
  *     geographical addressing.
  */
 #if 0
 	if (vme_slotnum != -1)
-		iowrite32(vme_slotnum << 27, ca91cx42_bridge->base + VCSR_BS);
+		iowrite32(vme_slotnum << 27, bridge->base + VCSR_BS);
 #endif
-	slot = ca91cx42_slot_get();
+	slot = ca91cx42_slot_get(ca91cx42_bridge);
 	dev_info(&pdev->dev, "CR/CSR Offset: %d\n", slot);
 	if (slot == 0) {
 		dev_err(&pdev->dev, "Slot number is unset, not configuring "
@@ -930,39 +954,44 @@ static int ca91cx42_crcsr_init(struct pci_dev *pdev)
 	}
 
 	/* Allocate mem for CR/CSR image */
-	crcsr_kernel = pci_alloc_consistent(pdev, VME_CRCSR_BUF_SIZE,
-		&crcsr_bus);
-	if (crcsr_kernel == NULL) {
+	bridge->crcsr_kernel = pci_alloc_consistent(pdev, VME_CRCSR_BUF_SIZE,
+		&(bridge->crcsr_bus));
+	if (bridge->crcsr_kernel == NULL) {
 		dev_err(&pdev->dev, "Failed to allocate memory for CR/CSR "
 			"image\n");
 		return -ENOMEM;
 	}
 
-	memset(crcsr_kernel, 0, VME_CRCSR_BUF_SIZE);
+	memset(bridge->crcsr_kernel, 0, VME_CRCSR_BUF_SIZE);
 
 	crcsr_addr = slot * (512 * 1024);
-	iowrite32(crcsr_bus - crcsr_addr, ca91cx42_bridge->base + VCSR_TO);
+	iowrite32(bridge->crcsr_bus - crcsr_addr, bridge->base + VCSR_TO);
 
-	tmp = ioread32(ca91cx42_bridge->base + VCSR_CTL);
+	tmp = ioread32(bridge->base + VCSR_CTL);
 	tmp |= CA91CX42_VCSR_CTL_EN;
-	iowrite32(tmp, ca91cx42_bridge->base + VCSR_CTL);
+	iowrite32(tmp, bridge->base + VCSR_CTL);
 
 	return 0;
 }
 
-static void ca91cx42_crcsr_exit(struct pci_dev *pdev)
+static void ca91cx42_crcsr_exit(struct vme_bridge *ca91cx42_bridge,
+	struct pci_dev *pdev)
 {
 	u32 tmp;
+	struct ca91cx42_driver *bridge;
+
+	bridge = ca91cx42_bridge->driver_priv;
 
 	/* Turn off CR/CSR space */
-	tmp = ioread32(ca91cx42_bridge->base + VCSR_CTL);
+	tmp = ioread32(bridge->base + VCSR_CTL);
 	tmp &= ~CA91CX42_VCSR_CTL_EN;
-	iowrite32(tmp, ca91cx42_bridge->base + VCSR_CTL);
+	iowrite32(tmp, bridge->base + VCSR_CTL);
 
 	/* Free image */
-	iowrite32(0, ca91cx42_bridge->base + VCSR_TO);
+	iowrite32(0, bridge->base + VCSR_TO);
 
-	pci_free_consistent(pdev, VME_CRCSR_BUF_SIZE, crcsr_kernel, crcsr_bus);
+	pci_free_consistent(pdev, VME_CRCSR_BUF_SIZE, bridge->crcsr_kernel,
+		bridge->crcsr_bus);
 }
 
 static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
@@ -970,6 +999,8 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	int retval, i;
 	u32 data;
 	struct list_head *pos = NULL;
+	struct vme_bridge *ca91cx42_bridge;
+	struct ca91cx42_driver *ca91cx42_device;
 	struct vme_master_resource *master_image;
 	struct vme_slave_resource *slave_image;
 #if 0
@@ -991,6 +1022,19 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	memset(ca91cx42_bridge, 0, sizeof(struct vme_bridge));
 
+	ca91cx42_device = kmalloc(sizeof(struct ca91cx42_driver), GFP_KERNEL);
+
+	if (ca91cx42_device == NULL) {
+		dev_err(&pdev->dev, "Failed to allocate memory for device "
+			"structure\n");
+		retval = -ENOMEM;
+		goto err_driver;
+	}
+
+	memset(ca91cx42_device, 0, sizeof(struct ca91cx42_driver));
+
+	ca91cx42_bridge->driver_priv = ca91cx42_device;
+
 	/* Enable the device */
 	retval = pci_enable_device(pdev);
 	if (retval) {
@@ -1006,16 +1050,16 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	}
 
 	/* map registers in BAR 0 */
-	ca91cx42_bridge->base = ioremap_nocache(pci_resource_start(pdev, 0),
+	ca91cx42_device->base = ioremap_nocache(pci_resource_start(pdev, 0),
 		4096);
-	if (!ca91cx42_bridge->base) {
+	if (!ca91cx42_device->base) {
 		dev_err(&pdev->dev, "Unable to remap CRG region\n");
 		retval = -EIO;
 		goto err_remap;
 	}
 
 	/* Check to see if the mapping worked out */
-	data = ioread32(ca91cx42_bridge->base + CA91CX42_PCI_ID) & 0x0000FFFF;
+	data = ioread32(ca91cx42_device->base + CA91CX42_PCI_ID) & 0x0000FFFF;
 	if (data != PCI_VENDOR_ID_TUNDRA) {
 		dev_err(&pdev->dev, "PCI_ID check failed\n");
 		retval = -EIO;
@@ -1023,11 +1067,10 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	}
 
 	/* Initialize wait queues & mutual exclusion flags */
-	/* XXX These need to be moved to the vme_bridge structure */
-	init_waitqueue_head(&dma_queue);
-	init_waitqueue_head(&iack_queue);
-	mutex_init(&(vme_int));
-	mutex_init(&(vme_rmw));
+	init_waitqueue_head(&(ca91cx42_device->dma_queue));
+	init_waitqueue_head(&(ca91cx42_device->iack_queue));
+	mutex_init(&(ca91cx42_device->vme_int));
+	mutex_init(&(ca91cx42_device->vme_rmw));
 
 	ca91cx42_bridge->parent = &(pdev->dev);
 	strcpy(ca91cx42_bridge->name, driver_name);
@@ -1155,12 +1198,13 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 #endif
 	ca91cx42_bridge->slot_get = ca91cx42_slot_get;
 
-	data = ioread32(ca91cx42_bridge->base + MISC_CTL);
+	data = ioread32(ca91cx42_device->base + MISC_CTL);
 	dev_info(&pdev->dev, "Board is%s the VME system controller\n",
 		(data & CA91CX42_MISC_CTL_SYSCON) ? "" : " not");
-	dev_info(&pdev->dev, "Slot ID is %d\n", ca91cx42_slot_get());
+	dev_info(&pdev->dev, "Slot ID is %d\n",
+		ca91cx42_slot_get(ca91cx42_bridge));
 
-	if (ca91cx42_crcsr_init(pdev)) {
+	if (ca91cx42_crcsr_init(ca91cx42_bridge, pdev)) {
 		dev_err(&pdev->dev, "CR/CSR configuration failed.\n");
 		retval = -EINVAL;
 #if 0
@@ -1177,11 +1221,13 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		goto err_reg;
 	}
 
+	pci_set_drvdata(pdev, ca91cx42_bridge);
+
 	return 0;
 
 	vme_unregister_bridge(ca91cx42_bridge);
 err_reg:
-	ca91cx42_crcsr_exit(pdev);
+	ca91cx42_crcsr_exit(ca91cx42_bridge, pdev);
 #if 0
 err_crcsr:
 #endif
@@ -1217,15 +1263,17 @@ err_master:
 		kfree(master_image);
 	}
 
-	ca91cx42_irq_exit(pdev);
+	ca91cx42_irq_exit(ca91cx42_device, pdev);
 err_irq:
 err_test:
-	iounmap(ca91cx42_bridge->base);
+	iounmap(ca91cx42_device->base);
 err_remap:
 	pci_release_regions(pdev);
 err_resource:
 	pci_disable_device(pdev);
 err_enable:
+	kfree(ca91cx42_device);
+err_driver:
 	kfree(ca91cx42_bridge);
 err_struct:
 	return retval;
@@ -1239,27 +1287,32 @@ void ca91cx42_remove(struct pci_dev *pdev)
 	struct vme_slave_resource *slave_image;
 	struct vme_dma_resource *dma_ctrlr;
 	struct vme_lm_resource *lm;
+	struct ca91cx42_driver *bridge;
+	struct vme_bridge *ca91cx42_bridge = pci_get_drvdata(pdev);
+
+	bridge = ca91cx42_bridge->driver_priv;
+
 
 	/* Turn off Ints */
-	iowrite32(0, ca91cx42_bridge->base + LINT_EN);
+	iowrite32(0, bridge->base + LINT_EN);
 
 	/* Turn off the windows */
-	iowrite32(0x00800000, ca91cx42_bridge->base + LSI0_CTL);
-	iowrite32(0x00800000, ca91cx42_bridge->base + LSI1_CTL);
-	iowrite32(0x00800000, ca91cx42_bridge->base + LSI2_CTL);
-	iowrite32(0x00800000, ca91cx42_bridge->base + LSI3_CTL);
-	iowrite32(0x00800000, ca91cx42_bridge->base + LSI4_CTL);
-	iowrite32(0x00800000, ca91cx42_bridge->base + LSI5_CTL);
-	iowrite32(0x00800000, ca91cx42_bridge->base + LSI6_CTL);
-	iowrite32(0x00800000, ca91cx42_bridge->base + LSI7_CTL);
-	iowrite32(0x00F00000, ca91cx42_bridge->base + VSI0_CTL);
-	iowrite32(0x00F00000, ca91cx42_bridge->base + VSI1_CTL);
-	iowrite32(0x00F00000, ca91cx42_bridge->base + VSI2_CTL);
-	iowrite32(0x00F00000, ca91cx42_bridge->base + VSI3_CTL);
-	iowrite32(0x00F00000, ca91cx42_bridge->base + VSI4_CTL);
-	iowrite32(0x00F00000, ca91cx42_bridge->base + VSI5_CTL);
-	iowrite32(0x00F00000, ca91cx42_bridge->base + VSI6_CTL);
-	iowrite32(0x00F00000, ca91cx42_bridge->base + VSI7_CTL);
+	iowrite32(0x00800000, bridge->base + LSI0_CTL);
+	iowrite32(0x00800000, bridge->base + LSI1_CTL);
+	iowrite32(0x00800000, bridge->base + LSI2_CTL);
+	iowrite32(0x00800000, bridge->base + LSI3_CTL);
+	iowrite32(0x00800000, bridge->base + LSI4_CTL);
+	iowrite32(0x00800000, bridge->base + LSI5_CTL);
+	iowrite32(0x00800000, bridge->base + LSI6_CTL);
+	iowrite32(0x00800000, bridge->base + LSI7_CTL);
+	iowrite32(0x00F00000, bridge->base + VSI0_CTL);
+	iowrite32(0x00F00000, bridge->base + VSI1_CTL);
+	iowrite32(0x00F00000, bridge->base + VSI2_CTL);
+	iowrite32(0x00F00000, bridge->base + VSI3_CTL);
+	iowrite32(0x00F00000, bridge->base + VSI4_CTL);
+	iowrite32(0x00F00000, bridge->base + VSI5_CTL);
+	iowrite32(0x00F00000, bridge->base + VSI6_CTL);
+	iowrite32(0x00F00000, bridge->base + VSI7_CTL);
 
 	vme_unregister_bridge(ca91cx42_bridge);
 #if 0
@@ -1294,9 +1347,9 @@ void ca91cx42_remove(struct pci_dev *pdev)
 		kfree(master_image);
 	}
 
-	ca91cx42_irq_exit(pdev);
+	ca91cx42_irq_exit(bridge, pdev);
 
-	iounmap(ca91cx42_bridge->base);
+	iounmap(bridge->base);
 
 	pci_release_regions(pdev);
 
@@ -1346,7 +1399,7 @@ int ca91cx42_master_rmw(vmeRmwCfg_t *vmeRmw)
 	}
 	/* Find the PCI address that maps to the desired VME address */
 	for (i = 0; i < 8; i++) {
-		temp_ctl = ioread32(ca91cx42_bridge->base +
+		temp_ctl = ioread32(bridge->base +
 			CA91CX42_LSI_CTL[i]);
 		if ((temp_ctl & 0x80000000) == 0) {
 			continue;
@@ -1357,9 +1410,9 @@ int ca91cx42_master_rmw(vmeRmwCfg_t *vmeRmw)
 		if (vmeOut.addrSpace != vmeRmw->addrSpace) {
 			continue;
 		}
-		tempBS = ioread32(ca91cx42_bridge->base + CA91CX42_LSI_BS[i]);
-		tempBD = ioread32(ca91cx42_bridge->base + CA91CX42_LSI_BD[i]);
-		tempTO = ioread32(ca91cx42_bridge->base + CA91CX42_LSI_TO[i]);
+		tempBS = ioread32(bridge->base + CA91CX42_LSI_BS[i]);
+		tempBD = ioread32(bridge->base + CA91CX42_LSI_BD[i]);
+		tempTO = ioread32(bridge->base + CA91CX42_LSI_TO[i]);
 		vmeBS = tempBS + tempTO;
 		vmeBD = tempBD + tempTO;
 		if ((vmeRmw->targetAddr >= vmeBS) &&
@@ -1378,13 +1431,13 @@ int ca91cx42_master_rmw(vmeRmwCfg_t *vmeRmw)
 		return -EINVAL;
 	}
 	/* Setup the RMW registers. */
-	iowrite32(0, ca91cx42_bridge->base + SCYC_CTL);
-	iowrite32(SWIZZLE(vmeRmw->enableMask), ca91cx42_bridge->base + SCYC_EN);
-	iowrite32(SWIZZLE(vmeRmw->compareData), ca91cx42_bridge->base +
+	iowrite32(0, bridge->base + SCYC_CTL);
+	iowrite32(SWIZZLE(vmeRmw->enableMask), bridge->base + SCYC_EN);
+	iowrite32(SWIZZLE(vmeRmw->compareData), bridge->base +
 		SCYC_CMP);
-	iowrite32(SWIZZLE(vmeRmw->swapData), ca91cx42_bridge->base + SCYC_SWP);
-	iowrite32((int)rmw_pci_data_ptr, ca91cx42_bridge->base + SCYC_ADDR);
-	iowrite32(1, ca91cx42_bridge->base + SCYC_CTL);
+	iowrite32(SWIZZLE(vmeRmw->swapData), bridge->base + SCYC_SWP);
+	iowrite32((int)rmw_pci_data_ptr, bridge->base + SCYC_ADDR);
+	iowrite32(1, bridge->base + SCYC_CTL);
 
 	/* Run the RMW cycle until either success or max attempts. */
 	vmeRmw->numAttempts = 1;
@@ -1393,7 +1446,7 @@ int ca91cx42_master_rmw(vmeRmwCfg_t *vmeRmw)
 		if ((ioread32(vaDataPtr) & vmeRmw->enableMask) ==
 		    (vmeRmw->swapData & vmeRmw->enableMask)) {
 
-			iowrite32(0, ca91cx42_bridge->base + SCYC_CTL);
+			iowrite32(0, bridge->base + SCYC_CTL);
 			break;
 
 		}
@@ -1478,8 +1531,8 @@ ca91cx42_start_dma(int channel, unsigned int dgcsreg, TDMA_Cmd_Packet *vmeLL)
 
 	/* Setup registers as needed for direct or chained. */
 	if (dgcsreg & 0x8000000) {
-		iowrite32(0, ca91cx42_bridge->base + DTBC);
-		iowrite32((unsigned int)vmeLL, ca91cx42_bridge->base + DCPP);
+		iowrite32(0, bridge->base + DTBC);
+		iowrite32((unsigned int)vmeLL, bridge->base + DCPP);
 	} else {
 #if	0
 		printk(KERN_ERR "Starting: DGCS = %08x\n", dgcsreg);
@@ -1493,17 +1546,17 @@ ca91cx42_start_dma(int channel, unsigned int dgcsreg, TDMA_Cmd_Packet *vmeLL)
 			ioread32(&vmeLL->dctl));
 #endif
 		/* Write registers */
-		iowrite32(ioread32(&vmeLL->dva), ca91cx42_bridge->base + DVA);
-		iowrite32(ioread32(&vmeLL->dlv), ca91cx42_bridge->base + DLA);
-		iowrite32(ioread32(&vmeLL->dtbc), ca91cx42_bridge->base + DTBC);
-		iowrite32(ioread32(&vmeLL->dctl), ca91cx42_bridge->base + DCTL);
-		iowrite32(0, ca91cx42_bridge->base + DCPP);
+		iowrite32(ioread32(&vmeLL->dva), bridge->base + DVA);
+		iowrite32(ioread32(&vmeLL->dlv), bridge->base + DLA);
+		iowrite32(ioread32(&vmeLL->dtbc), bridge->base + DTBC);
+		iowrite32(ioread32(&vmeLL->dctl), bridge->base + DCTL);
+		iowrite32(0, bridge->base + DCPP);
 	}
 
 	/* Start the operation */
-	iowrite32(dgcsreg, ca91cx42_bridge->base + DGCS);
+	iowrite32(dgcsreg, bridge->base + DGCS);
 	val = get_tbl();
-	iowrite32(dgcsreg | 0x8000000F, ca91cx42_bridge->base + DGCS);
+	iowrite32(dgcsreg | 0x8000000F, bridge->base + DGCS);
 	return val;
 }
 
@@ -1704,10 +1757,10 @@ int ca91cx42_do_dma(vmeDmaPacket_t *vmeDma)
 	}
 
 	wait_event_interruptible(dma_queue,
-		ioread32(ca91cx42_bridge->base + DGCS) & 0x800);
+		ioread32(bridge->base + DGCS) & 0x800);
 
-	val = ioread32(ca91cx42_bridge->base + DGCS);
-	iowrite32(val | 0xF00, ca91cx42_bridge->base + DGCS);
+	val = ioread32(bridge->base + DGCS);
+	iowrite32(val | 0xF00, bridge->base + DGCS);
 
 	vmeDma->vmeDmaStatus = 0;
 
@@ -1715,15 +1768,15 @@ int ca91cx42_do_dma(vmeDmaPacket_t *vmeDma)
 		vmeDma->vmeDmaStatus = val & 0x700;
 		printk(KERN_ERR "ca91c042: DMA Error in ca91cx42_DMA_irqhandler"
 			" DGCS=%08X\n", val);
-		val = ioread32(ca91cx42_bridge->base + DCPP);
+		val = ioread32(bridge->base + DCPP);
 		printk(KERN_ERR "ca91c042: DCPP=%08X\n", val);
-		val = ioread32(ca91cx42_bridge->base + DCTL);
+		val = ioread32(bridge->base + DCTL);
 		printk(KERN_ERR "ca91c042: DCTL=%08X\n", val);
-		val = ioread32(ca91cx42_bridge->base + DTBC);
+		val = ioread32(bridge->base + DTBC);
 		printk(KERN_ERR "ca91c042: DTBC=%08X\n", val);
-		val = ioread32(ca91cx42_bridge->base + DLA);
+		val = ioread32(bridge->base + DLA);
 		printk(KERN_ERR "ca91c042: DLA=%08X\n", val);
-		val = ioread32(ca91cx42_bridge->base + DVA);
+		val = ioread32(bridge->base + DVA);
 		printk(KERN_ERR "ca91c042: DVA=%08X\n", val);
 
 	}
@@ -1766,9 +1819,9 @@ int ca91cx42_lm_set(vmeLmCfg_t *vmeLm)
 	}
 
 	/* Disable while we are mucking around */
-	iowrite32(0x00000000, ca91cx42_bridge->base + LM_CTL);
+	iowrite32(0x00000000, bridge->base + LM_CTL);
 
-	iowrite32(vmeLm->addr, ca91cx42_bridge->base + LM_BS);
+	iowrite32(vmeLm->addr, bridge->base + LM_BS);
 
 	/* Setup CTL register. */
 	if (vmeLm->userAccessType & VME_SUPER)
@@ -1782,8 +1835,8 @@ int ca91cx42_lm_set(vmeLmCfg_t *vmeLm)
 
 
 	/* Write ctl reg and enable */
-	iowrite32(0x80000000 | temp_ctl, ca91cx42_bridge->base + LM_CTL);
-	temp_ctl = ioread32(ca91cx42_bridge->base + LM_CTL);
+	iowrite32(0x80000000 | temp_ctl, bridge->base + LM_CTL);
+	temp_ctl = ioread32(bridge->base + LM_CTL);
 
 	return 0;
 }
@@ -1800,7 +1853,7 @@ int ca91cx42_wait_lm(vmeLmCfg_t *vmeLm)
 			vmeLm->lmWait = 10;
 		interruptible_sleep_on_timeout(&lm_queue, vmeLm->lmWait);
 	}
-	iowrite32(0x00000000, ca91cx42_bridge->base + LM_CTL);
+	iowrite32(0x00000000, bridge->base + LM_CTL);
 
 	return 0;
 }
@@ -1812,7 +1865,7 @@ int ca91cx42_set_arbiter(vmeArbiterCfg_t *vmeArb)
 	int temp_ctl = 0;
 	int vbto = 0;
 
-	temp_ctl = ioread32(ca91cx42_bridge->base + MISC_CTL);
+	temp_ctl = ioread32(bridge->base + MISC_CTL);
 	temp_ctl &= 0x00FFFFFF;
 
 	if (vmeArb->globalTimeoutTimer == 0xFFFFFFFF) {
@@ -1834,7 +1887,7 @@ int ca91cx42_set_arbiter(vmeArbiterCfg_t *vmeArb)
 	if (vmeArb->arbiterTimeoutFlag)
 		temp_ctl |= 2 << 24;
 
-	iowrite32(temp_ctl, ca91cx42_bridge->base + MISC_CTL);
+	iowrite32(temp_ctl, bridge->base + MISC_CTL);
 	return 0;
 }
 
@@ -1843,7 +1896,7 @@ int ca91cx42_get_arbiter(vmeArbiterCfg_t *vmeArb)
 	int temp_ctl = 0;
 	int vbto = 0;
 
-	temp_ctl = ioread32(ca91cx42_bridge->base + MISC_CTL);
+	temp_ctl = ioread32(bridge->base + MISC_CTL);
 
 	vbto = (temp_ctl >> 28) & 0xF;
 	if (vbto != 0)
@@ -1864,7 +1917,7 @@ int ca91cx42_set_requestor(vmeRequesterCfg_t *vmeReq)
 {
 	int temp_ctl = 0;
 
-	temp_ctl = ioread32(ca91cx42_bridge->base + MAST_CTL);
+	temp_ctl = ioread32(bridge->base + MAST_CTL);
 	temp_ctl &= 0xFF0FFFFF;
 
 	if (vmeReq->releaseMode == 1)
@@ -1875,7 +1928,7 @@ int ca91cx42_set_requestor(vmeRequesterCfg_t *vmeReq)
 
 	temp_ctl |= (vmeReq->requestLevel << 22);
 
-	iowrite32(temp_ctl, ca91cx42_bridge->base + MAST_CTL);
+	iowrite32(temp_ctl, bridge->base + MAST_CTL);
 	return 0;
 }
 
@@ -1883,7 +1936,7 @@ int ca91cx42_get_requestor(vmeRequesterCfg_t *vmeReq)
 {
 	int temp_ctl = 0;
 
-	temp_ctl = ioread32(ca91cx42_bridge->base + MAST_CTL);
+	temp_ctl = ioread32(bridge->base + MAST_CTL);
 
 	if (temp_ctl & (1 << 20))
 		vmeReq->releaseMode = 1;

drivers/staging/vme/bridges/vme_ca91cx42.h

@@ -37,6 +37,22 @@
 #define CA91C142_MAX_DMA		1	/* Max DMA Controllers */
 #define CA91C142_MAX_MAILBOX		4	/* Max Mail Box registers */
 
+/* Structure used to hold driver specific information */
+struct ca91cx42_driver {
+	void *base;	/* Base Address of device registers */
+	wait_queue_head_t dma_queue;
+	wait_queue_head_t iack_queue;
+	wait_queue_head_t mbox_queue;
+	void (*lm_callback[4])(int);	/* Called in interrupt handler */
+	void *crcsr_kernel;
+	dma_addr_t crcsr_bus;
+	struct mutex vme_rmw;		/* Only one RMW cycle at a time */
+	struct mutex vme_int;		/*
+					 * Only one VME interrupt can be
+					 * generated at a time, provide locking
+					 */
+};
+
 /* See Page 2-77 in the Universe User Manual */
 struct ca91cx42_dma_descriptor {
 	unsigned int dctl;      /* DMA Control */

drivers/staging/vme/bridges/vme_tsi148.c

@@ -59,26 +59,11 @@ int tsi148_dma_list_add (struct vme_dma_list *, struct vme_dma_attr *,
 int tsi148_dma_list_exec(struct vme_dma_list *);
 int tsi148_dma_list_empty(struct vme_dma_list *);
 int tsi148_generate_irq(int, int);
-int tsi148_slot_get(void);
 
-/* Modue parameter */
+/* Module parameter */
 static int err_chk;
 static int geoid;
 
-/* XXX These should all be in a per device structure */
-static struct vme_bridge *tsi148_bridge;
-static wait_queue_head_t dma_queue[2];
-static wait_queue_head_t iack_queue;
-static void (*lm_callback[4])(int);	/* Called in interrupt handler */
-static void *crcsr_kernel;
-static dma_addr_t crcsr_bus;
-static struct vme_master_resource *flush_image;
-static struct mutex vme_rmw;	/* Only one RMW cycle at a time */
-static struct mutex vme_int;	/*
-				 * Only one VME interrupt can be
-				 * generated at a time, provide locking
-				 */
-
 static char driver_name[] = "vme_tsi148";
 
 static const struct pci_device_id tsi148_ids[] = {
@@ -110,16 +95,17 @@ static void reg_split(unsigned long long variable, unsigned int *high,
 /*
  * Wakes up DMA queue.
  */
-static u32 tsi148_DMA_irqhandler(int channel_mask)
+static u32 tsi148_DMA_irqhandler(struct tsi148_driver *bridge,
+	int channel_mask)
 {
 	u32 serviced = 0;
 
 	if (channel_mask & TSI148_LCSR_INTS_DMA0S) {
-		wake_up(&dma_queue[0]);
+		wake_up(&(bridge->dma_queue[0]));
 		serviced |= TSI148_LCSR_INTC_DMA0C;
 	}
 	if (channel_mask & TSI148_LCSR_INTS_DMA1S) {
-		wake_up(&dma_queue[1]);
+		wake_up(&(bridge->dma_queue[1]));
 		serviced |= TSI148_LCSR_INTC_DMA1C;
 	}
 
@@ -129,7 +115,7 @@ static u32 tsi148_DMA_irqhandler(int channel_mask)
 /*
  * Wake up location monitor queue
  */
-static u32 tsi148_LM_irqhandler(u32 stat)
+static u32 tsi148_LM_irqhandler(struct tsi148_driver *bridge, u32 stat)
 {
 	int i;
 	u32 serviced = 0;
@@ -137,7 +123,7 @@ static u32 tsi148_LM_irqhandler(u32 stat)
 	for (i = 0; i < 4; i++) {
 		if(stat & TSI148_LCSR_INTS_LMS[i]) {
 			/* We only enable interrupts if the callback is set */
-			lm_callback[i](i);
+			bridge->lm_callback[i](i);
 			serviced |= TSI148_LCSR_INTC_LMC[i];
 		}
 	}
@@ -150,7 +136,7 @@ static u32 tsi148_LM_irqhandler(u32 stat)
  *
  * XXX This functionality is not exposed up though API.
  */
-static u32 tsi148_MB_irqhandler(u32 stat)
+static u32 tsi148_MB_irqhandler(struct tsi148_driver *bridge, u32 stat)
 {
 	int i;
 	u32 val;
@@ -158,8 +144,7 @@ static u32 tsi148_MB_irqhandler(u32 stat)
 
 	for (i = 0; i < 4; i++) {
 		if(stat & TSI148_LCSR_INTS_MBS[i]) {
-			val = ioread32be(tsi148_bridge->base +
-				TSI148_GCSR_MBOX[i]);
+			val = ioread32be(bridge->base +	TSI148_GCSR_MBOX[i]);
 			printk("VME Mailbox %d received: 0x%x\n", i, val);
 			serviced |= TSI148_LCSR_INTC_MBC[i];
 		}
@@ -171,22 +156,21 @@ static u32 tsi148_MB_irqhandler(u32 stat)
 /*
  * Display error & status message when PERR (PCI) exception interrupt occurs.
  */
-static u32 tsi148_PERR_irqhandler(void)
+static u32 tsi148_PERR_irqhandler(struct tsi148_driver *bridge)
 {
 	printk(KERN_ERR
 		"PCI Exception at address: 0x%08x:%08x, attributes: %08x\n",
-		ioread32be(tsi148_bridge->base + TSI148_LCSR_EDPAU),
-		ioread32be(tsi148_bridge->base + TSI148_LCSR_EDPAL),
-		ioread32be(tsi148_bridge->base + TSI148_LCSR_EDPAT)
+		ioread32be(bridge->base + TSI148_LCSR_EDPAU),
+		ioread32be(bridge->base + TSI148_LCSR_EDPAL),
+		ioread32be(bridge->base + TSI148_LCSR_EDPAT)
 		);
 	printk(KERN_ERR
 		"PCI-X attribute reg: %08x, PCI-X split completion reg: %08x\n",
-		ioread32be(tsi148_bridge->base + TSI148_LCSR_EDPXA),
-		ioread32be(tsi148_bridge->base + TSI148_LCSR_EDPXS)
+		ioread32be(bridge->base + TSI148_LCSR_EDPXA),
+		ioread32be(bridge->base + TSI148_LCSR_EDPXS)
 		);
 
-	iowrite32be(TSI148_LCSR_EDPAT_EDPCL,
-		tsi148_bridge->base + TSI148_LCSR_EDPAT);
+	iowrite32be(TSI148_LCSR_EDPAT_EDPCL, bridge->base + TSI148_LCSR_EDPAT);
 
 	return TSI148_LCSR_INTC_PERRC;
 }
@@ -194,16 +178,19 @@ static u32 tsi148_PERR_irqhandler(void)
 /*
  * Save address and status when VME error interrupt occurs.
  */
-static u32 tsi148_VERR_irqhandler(void)
+static u32 tsi148_VERR_irqhandler(struct vme_bridge *tsi148_bridge)
 {
 	unsigned int error_addr_high, error_addr_low;
 	unsigned long long error_addr;
 	u32 error_attrib;
 	struct vme_bus_error *error;
+	struct tsi148_driver *bridge;
+
+	bridge = tsi148_bridge->driver_priv;
 
-	error_addr_high = ioread32be(tsi148_bridge->base + TSI148_LCSR_VEAU);
-	error_addr_low = ioread32be(tsi148_bridge->base + TSI148_LCSR_VEAL);
-	error_attrib = ioread32be(tsi148_bridge->base + TSI148_LCSR_VEAT);
+	error_addr_high = ioread32be(bridge->base + TSI148_LCSR_VEAU);
+	error_addr_low = ioread32be(bridge->base + TSI148_LCSR_VEAL);
+	error_attrib = ioread32be(bridge->base + TSI148_LCSR_VEAT);
 
 	reg_join(error_addr_high, error_addr_low, &error_addr);
 
@@ -227,8 +214,7 @@ static u32 tsi148_VERR_irqhandler(void)
 	}
 
 	/* Clear Status */
-	iowrite32be(TSI148_LCSR_VEAT_VESCL,
-		tsi148_bridge->base + TSI148_LCSR_VEAT);
+	iowrite32be(TSI148_LCSR_VEAT_VESCL, bridge->base + TSI148_LCSR_VEAT);
 
 	return TSI148_LCSR_INTC_VERRC;
 }
@@ -236,9 +222,9 @@ static u32 tsi148_VERR_irqhandler(void)
 /*
  * Wake up IACK queue.
  */
-static u32 tsi148_IACK_irqhandler(void)
+static u32 tsi148_IACK_irqhandler(struct tsi148_driver *bridge)
 {
-	wake_up(&iack_queue);
+	wake_up(&(bridge->iack_queue));
 
 	return TSI148_LCSR_INTC_IACKC;
 }
@@ -246,9 +232,13 @@ static u32 tsi148_IACK_irqhandler(void)
 /*
  * Calling VME bus interrupt callback if provided.
  */
-static u32 tsi148_VIRQ_irqhandler(u32 stat)
+static u32 tsi148_VIRQ_irqhandler(struct vme_bridge *tsi148_bridge,
+	u32 stat)
 {
 	int vec, i, serviced = 0;
+	struct tsi148_driver *bridge;
+
+	bridge = tsi148_bridge->driver_priv;
 
 	for (i = 7; i > 0; i--) {
 		if (stat & (1 << i)) {
@@ -258,8 +248,7 @@ static u32 tsi148_VIRQ_irqhandler(u32 stat)
 			 * 	8-bit IACK cycles on the bus, read from offset
 			 * 	3.
 			 */
-			vec = ioread8(tsi148_bridge->base +
-				TSI148_LCSR_VIACK[i] + 3);
+			vec = ioread8(bridge->base + TSI148_LCSR_VIACK[i] + 3);
 
 			vme_irq_handler(tsi148_bridge, i, vec);
 
@@ -274,13 +263,19 @@ static u32 tsi148_VIRQ_irqhandler(u32 stat)
  * Top level interrupt handler.  Clears appropriate interrupt status bits and
  * then calls appropriate sub handler(s).
  */
-static irqreturn_t tsi148_irqhandler(int irq, void *dev_id)
+static irqreturn_t tsi148_irqhandler(int irq, void *ptr)
 {
 	u32 stat, enable, serviced = 0;
+	struct vme_bridge *tsi148_bridge;
+	struct tsi148_driver *bridge;
+
+	tsi148_bridge = ptr;
+
+	bridge = tsi148_bridge->driver_priv;
 
 	/* Determine which interrupts are unmasked and set */
-	enable = ioread32be(tsi148_bridge->base + TSI148_LCSR_INTEO);
-	stat = ioread32be(tsi148_bridge->base + TSI148_LCSR_INTS);
+	enable = ioread32be(bridge->base + TSI148_LCSR_INTEO);
+	stat = ioread32be(bridge->base + TSI148_LCSR_INTS);
 
 	/* Only look at unmasked interrupts */
 	stat &= enable;
@@ -292,61 +287,63 @@ static irqreturn_t tsi148_irqhandler(int irq, void *dev_id)
 	/* Call subhandlers as appropriate */
 	/* DMA irqs */
 	if (stat & (TSI148_LCSR_INTS_DMA1S | TSI148_LCSR_INTS_DMA0S))
-		serviced |= tsi148_DMA_irqhandler(stat);
+		serviced |= tsi148_DMA_irqhandler(bridge, stat);
 
 	/* Location monitor irqs */
 	if (stat & (TSI148_LCSR_INTS_LM3S | TSI148_LCSR_INTS_LM2S |
 			TSI148_LCSR_INTS_LM1S | TSI148_LCSR_INTS_LM0S))
-		serviced |= tsi148_LM_irqhandler(stat);
+		serviced |= tsi148_LM_irqhandler(bridge, stat);
 
 	/* Mail box irqs */
 	if (stat & (TSI148_LCSR_INTS_MB3S | TSI148_LCSR_INTS_MB2S |
 			TSI148_LCSR_INTS_MB1S | TSI148_LCSR_INTS_MB0S))
-		serviced |= tsi148_MB_irqhandler(stat);
+		serviced |= tsi148_MB_irqhandler(bridge, stat);
 
 	/* PCI bus error */
 	if (stat & TSI148_LCSR_INTS_PERRS)
-		serviced |= tsi148_PERR_irqhandler();
+		serviced |= tsi148_PERR_irqhandler(bridge);
 
 	/* VME bus error */
 	if (stat & TSI148_LCSR_INTS_VERRS)
-		serviced |= tsi148_VERR_irqhandler();
+		serviced |= tsi148_VERR_irqhandler(tsi148_bridge);
 
 	/* IACK irq */
 	if (stat & TSI148_LCSR_INTS_IACKS)
-		serviced |= tsi148_IACK_irqhandler();
+		serviced |= tsi148_IACK_irqhandler(bridge);
 
 	/* VME bus irqs */
 	if (stat & (TSI148_LCSR_INTS_IRQ7S | TSI148_LCSR_INTS_IRQ6S |
 			TSI148_LCSR_INTS_IRQ5S | TSI148_LCSR_INTS_IRQ4S |
 			TSI148_LCSR_INTS_IRQ3S | TSI148_LCSR_INTS_IRQ2S |
 			TSI148_LCSR_INTS_IRQ1S))
-		serviced |= tsi148_VIRQ_irqhandler(stat);
+		serviced |= tsi148_VIRQ_irqhandler(tsi148_bridge, stat);
 
 	/* Clear serviced interrupts */
-	iowrite32be(serviced, tsi148_bridge->base + TSI148_LCSR_INTC);
+	iowrite32be(serviced, bridge->base + TSI148_LCSR_INTC);
 
 	return IRQ_HANDLED;
 }
 
-static int tsi148_irq_init(struct vme_bridge *bridge)
+static int tsi148_irq_init(struct vme_bridge *tsi148_bridge)
 {
 	int result;
 	unsigned int tmp;
 	struct pci_dev *pdev;
+	struct tsi148_driver *bridge;
+
+	pdev = container_of(tsi148_bridge->parent, struct pci_dev, dev);
 
-	/* Need pdev */
-        pdev = container_of(bridge->parent, struct pci_dev, dev);
+	bridge = tsi148_bridge->driver_priv;
 
 	/* Initialise list for VME bus errors */
-	INIT_LIST_HEAD(&(bridge->vme_errors));
+	INIT_LIST_HEAD(&(tsi148_bridge->vme_errors));
 
-	mutex_init(&(bridge->irq_mtx));
+	mutex_init(&(tsi148_bridge->irq_mtx));
 
 	result = request_irq(pdev->irq,
 			     tsi148_irqhandler,
 			     IRQF_SHARED,
-			     driver_name, pdev);
+			     driver_name, tsi148_bridge);
 	if (result) {
 		dev_err(&pdev->dev, "Can't get assigned pci irq vector %02X\n",
 			pdev->irq);
@@ -360,7 +357,7 @@ static int tsi148_irq_init(struct vme_bridge *bridge)
 		TSI148_LCSR_INTEO_PERREO | TSI148_LCSR_INTEO_VERREO |
 		TSI148_LCSR_INTEO_IACKEO;
 
-	/* XXX This leaves the following interrupts masked.
+	/* This leaves the following interrupts masked.
 	 * TSI148_LCSR_INTEO_VIEEO
 	 * TSI148_LCSR_INTEO_SYSFLEO
 	 * TSI148_LCSR_INTEO_ACFLEO
@@ -393,14 +390,14 @@ static int tsi148_irq_init(struct vme_bridge *bridge)
 	return 0;
 }
 
-static void tsi148_irq_exit(struct pci_dev *pdev)
+static void tsi148_irq_exit(struct tsi148_driver *bridge, struct pci_dev *pdev)
 {
 	/* Turn off interrupts */
-	iowrite32be(0x0, tsi148_bridge->base + TSI148_LCSR_INTEO);
-	iowrite32be(0x0, tsi148_bridge->base + TSI148_LCSR_INTEN);
+	iowrite32be(0x0, bridge->base + TSI148_LCSR_INTEO);
+	iowrite32be(0x0, bridge->base + TSI148_LCSR_INTEN);
 
 	/* Clear all interrupts */
-	iowrite32be(0xFFFFFFFF, tsi148_bridge->base + TSI148_LCSR_INTC);
+	iowrite32be(0xFFFFFFFF, bridge->base + TSI148_LCSR_INTC);
 
 	/* Detach interrupt handler */
 	free_irq(pdev->irq, pdev);
@@ -409,11 +406,11 @@ static void tsi148_irq_exit(struct pci_dev *pdev)
 /*
  * Check to see if an IACk has been received, return true (1) or false (0).
  */
-int tsi148_iack_received(void)
+int tsi148_iack_received(struct tsi148_driver *bridge)
 {
 	u32 tmp;
 
-	tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_VICR);
+	tmp = ioread32be(bridge->base + TSI148_LCSR_VICR);
 
 	if (tmp & TSI148_LCSR_VICR_IRQS)
 		return 0;
@@ -424,20 +421,24 @@ int tsi148_iack_received(void)
 /*
  * Configure VME interrupt
  */
-void tsi148_irq_set(int level, int state, int sync)
+void tsi148_irq_set(struct vme_bridge *tsi148_bridge, int level,
+	int state, int sync)
 {
 	struct pci_dev *pdev;
 	u32 tmp;
+	struct tsi148_driver *bridge;
+
+	bridge = tsi148_bridge->driver_priv;
 
 	/* We need to do the ordering differently for enabling and disabling */
 	if (state == 0) {
-		tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_INTEN);
+		tmp = ioread32be(bridge->base + TSI148_LCSR_INTEN);
 		tmp &= ~TSI148_LCSR_INTEN_IRQEN[level - 1];
-		iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_INTEN);
+		iowrite32be(tmp, bridge->base + TSI148_LCSR_INTEN);
 
-		tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_INTEO);
+		tmp = ioread32be(bridge->base + TSI148_LCSR_INTEO);
 		tmp &= ~TSI148_LCSR_INTEO_IRQEO[level - 1];
-		iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_INTEO);
+		iowrite32be(tmp, bridge->base + TSI148_LCSR_INTEO);
 
 		if (sync != 0) {
 			pdev = container_of(tsi148_bridge->parent,
@@ -446,13 +447,13 @@ void tsi148_irq_set(int level, int state, int sync)
 			synchronize_irq(pdev->irq);
 		}
 	} else {
-		tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_INTEO);
+		tmp = ioread32be(bridge->base + TSI148_LCSR_INTEO);
 		tmp |= TSI148_LCSR_INTEO_IRQEO[level - 1];
-		iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_INTEO);
+		iowrite32be(tmp, bridge->base + TSI148_LCSR_INTEO);
 
-		tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_INTEN);
+		tmp = ioread32be(bridge->base + TSI148_LCSR_INTEN);
 		tmp |= TSI148_LCSR_INTEN_IRQEN[level - 1];
-		iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_INTEN);
+		iowrite32be(tmp, bridge->base + TSI148_LCSR_INTEN);
 	}
 }
 
@@ -460,28 +461,32 @@ void tsi148_irq_set(int level, int state, int sync)
  * Generate a VME bus interrupt at the requested level & vector. Wait for
  * interrupt to be acked.
  */
-int tsi148_irq_generate(int level, int statid)
+int tsi148_irq_generate(struct vme_bridge *tsi148_bridge, int level, int statid)
 {
 	u32 tmp;
+	struct tsi148_driver *bridge;
+
+	bridge = tsi148_bridge->driver_priv;
 
-	mutex_lock(&(vme_int));
+	mutex_lock(&(bridge->vme_int));
 
 	/* Read VICR register */
-	tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_VICR);
+	tmp = ioread32be(bridge->base + TSI148_LCSR_VICR);
 
 	/* Set Status/ID */
 	tmp = (tmp & ~TSI148_LCSR_VICR_STID_M) |
 		(statid & TSI148_LCSR_VICR_STID_M);
-	iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_VICR);
+	iowrite32be(tmp, bridge->base + TSI148_LCSR_VICR);
 
 	/* Assert VMEbus IRQ */
 	tmp = tmp | TSI148_LCSR_VICR_IRQL[level];
-	iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_VICR);
+	iowrite32be(tmp, bridge->base + TSI148_LCSR_VICR);
 
 	/* XXX Consider implementing a timeout? */
-	wait_event_interruptible(iack_queue, tsi148_iack_received());
+	wait_event_interruptible(bridge->iack_queue,
+		tsi148_iack_received(bridge));
 
-	mutex_unlock(&(vme_int));
+	mutex_unlock(&(bridge->vme_int));
 
 	return 0;
 }
@@ -489,8 +494,8 @@ int tsi148_irq_generate(int level, int statid)
 /*
  * Find the first error in this address range
  */
-static struct vme_bus_error *tsi148_find_error(vme_address_t aspace,
-	unsigned long long address, size_t count)
+static struct vme_bus_error *tsi148_find_error(struct vme_bridge *tsi148_bridge,
+	vme_address_t aspace, unsigned long long address, size_t count)
 {
 	struct list_head *err_pos;
 	struct vme_bus_error *vme_err, *valid = NULL;
@@ -521,8 +526,8 @@ static struct vme_bus_error *tsi148_find_error(vme_address_t aspace,
 /*
  * Clear errors in the provided address range.
  */
-static void tsi148_clear_errors(vme_address_t aspace,
-	unsigned long long address, size_t count)
+static void tsi148_clear_errors(struct vme_bridge *tsi148_bridge,
+	vme_address_t aspace, unsigned long long address, size_t count)
 {
 	struct list_head *err_pos, *temp;
 	struct vme_bus_error *vme_err;
@@ -562,6 +567,9 @@ int tsi148_slave_set(struct vme_slave_resource *image, int enabled,
 	unsigned int vme_bound_low, vme_bound_high;
 	unsigned int pci_offset_low, pci_offset_high;
 	unsigned long long vme_bound, pci_offset;
+	struct tsi148_driver *bridge;
+
+	bridge = image->parent->driver_priv;
 
 #if 0
         printk("Set slave image %d to:\n", image->number);
@@ -634,24 +642,24 @@ int tsi148_slave_set(struct vme_slave_resource *image, int enabled,
 #endif
 
 	/*  Disable while we are mucking around */
-	temp_ctl = ioread32be(tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	temp_ctl = ioread32be(bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITAT);
 	temp_ctl &= ~TSI148_LCSR_ITAT_EN;
-	iowrite32be(temp_ctl, tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	iowrite32be(temp_ctl, bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITAT);
 
 	/* Setup mapping */
-	iowrite32be(vme_base_high, tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	iowrite32be(vme_base_high, bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITSAU);
-	iowrite32be(vme_base_low, tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	iowrite32be(vme_base_low, bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITSAL);
-	iowrite32be(vme_bound_high, tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	iowrite32be(vme_bound_high, bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITEAU);
-	iowrite32be(vme_bound_low, tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	iowrite32be(vme_bound_low, bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITEAL);
-	iowrite32be(pci_offset_high, tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	iowrite32be(pci_offset_high, bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITOFU);
-	iowrite32be(pci_offset_low, tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	iowrite32be(pci_offset_low, bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITOFL);
 
 /* XXX Prefetch stuff currently unsupported */
@@ -713,13 +721,13 @@ int tsi148_slave_set(struct vme_slave_resource *image, int enabled,
 		temp_ctl |= TSI148_LCSR_ITAT_DATA;
 
 	/* Write ctl reg without enable */
-	iowrite32be(temp_ctl, tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	iowrite32be(temp_ctl, bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITAT);
 
 	if (enabled)
 		temp_ctl |= TSI148_LCSR_ITAT_EN;
 
-	iowrite32be(temp_ctl, tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	iowrite32be(temp_ctl, bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITAT);
 
 	return 0;
@@ -739,25 +747,27 @@ int tsi148_slave_get(struct vme_slave_resource *image, int *enabled,
 	unsigned int vme_bound_low, vme_bound_high;
 	unsigned int pci_offset_low, pci_offset_high;
 	unsigned long long vme_bound, pci_offset;
+	struct tsi148_driver *bridge;
 
+	bridge = image->parent->driver_priv;
 
 	i = image->number;
 
 	/* Read registers */
-	ctl = ioread32be(tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	ctl = ioread32be(bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITAT);
 
-	vme_base_high = ioread32be(tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	vme_base_high = ioread32be(bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITSAU);
-	vme_base_low = ioread32be(tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	vme_base_low = ioread32be(bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITSAL);
-	vme_bound_high = ioread32be(tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	vme_bound_high = ioread32be(bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITEAU);
-	vme_bound_low = ioread32be(tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	vme_bound_low = ioread32be(bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITEAL);
-	pci_offset_high = ioread32be(tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	pci_offset_high = ioread32be(bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITOFU);
-	pci_offset_low = ioread32be(tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	pci_offset_low = ioread32be(bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITOFL);
 
 	/* Convert 64-bit variables to 2x 32-bit variables */
@@ -834,6 +844,9 @@ static int tsi148_alloc_resource(struct vme_master_resource *image,
 	unsigned long long existing_size;
 	int retval = 0;
 	struct pci_dev *pdev;
+	struct vme_bridge *tsi148_bridge;
+
+	tsi148_bridge = image->parent;
 
 	/* Find pci_dev container of dev */
         if (tsi148_bridge->parent == NULL) {
@@ -938,6 +951,9 @@ int tsi148_master_set( struct vme_master_resource *image, int enabled,
 	unsigned int pci_bound_low, pci_bound_high;
 	unsigned int vme_offset_low, vme_offset_high;
 	unsigned long long pci_bound, vme_offset, pci_base;
+	struct tsi148_driver *bridge;
+
+	bridge = image->parent->driver_priv;
 
 	/* Verify input data */
 	if (vme_base & 0xFFFF) {
@@ -1008,10 +1024,10 @@ int tsi148_master_set( struct vme_master_resource *image, int enabled,
 	i = image->number;
 
 	/* Disable while we are mucking around */
-	temp_ctl = ioread32be(tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	temp_ctl = ioread32be(bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTAT);
 	temp_ctl &= ~TSI148_LCSR_OTAT_EN;
-	iowrite32be(temp_ctl, tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	iowrite32be(temp_ctl, bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTAT);
 
 /* XXX Prefetch stuff currently unsupported */
@@ -1127,33 +1143,33 @@ int tsi148_master_set( struct vme_master_resource *image, int enabled,
 		temp_ctl |= TSI148_LCSR_OTAT_PGM;
 
 	/* Setup mapping */
-	iowrite32be(pci_base_high, tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	iowrite32be(pci_base_high, bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTSAU);
-	iowrite32be(pci_base_low, tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	iowrite32be(pci_base_low, bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTSAL);
-	iowrite32be(pci_bound_high, tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	iowrite32be(pci_bound_high, bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTEAU);
-	iowrite32be(pci_bound_low, tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	iowrite32be(pci_bound_low, bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTEAL);
-	iowrite32be(vme_offset_high, tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	iowrite32be(vme_offset_high, bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTOFU);
-	iowrite32be(vme_offset_low, tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	iowrite32be(vme_offset_low, bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTOFL);
 
 /* XXX We need to deal with OTBS */
 #if 0
-	iowrite32be(vmeOut->bcastSelect2esst, tsi148_bridge->base +
+	iowrite32be(vmeOut->bcastSelect2esst, bridge->base +
 		TSI148_LCSR_OT[i] + TSI148_LCSR_OFFSET_OTBS);
 #endif
 
 	/* Write ctl reg without enable */
-	iowrite32be(temp_ctl, tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	iowrite32be(temp_ctl, bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTAT);
 
 	if (enabled)
 		temp_ctl |= TSI148_LCSR_OTAT_EN;
 
-	iowrite32be(temp_ctl, tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	iowrite32be(temp_ctl, bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTAT);
 
 	spin_unlock(&(image->lock));
@@ -1184,23 +1200,26 @@ int __tsi148_master_get( struct vme_master_resource *image, int *enabled,
 	unsigned int vme_offset_low, vme_offset_high;
 
 	unsigned long long pci_base, pci_bound, vme_offset;
+	struct tsi148_driver *bridge;
+
+	bridge = image->parent->driver_priv;
 
 	i = image->number;
 
-	ctl = ioread32be(tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	ctl = ioread32be(bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTAT);
 
-	pci_base_high = ioread32be(tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	pci_base_high = ioread32be(bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTSAU);
-	pci_base_low = ioread32be(tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	pci_base_low = ioread32be(bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTSAL);
-	pci_bound_high = ioread32be(tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	pci_bound_high = ioread32be(bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTEAU);
-	pci_bound_low = ioread32be(tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	pci_bound_low = ioread32be(bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTEAL);
-	vme_offset_high = ioread32be(tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	vme_offset_high = ioread32be(bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTOFU);
-	vme_offset_low = ioread32be(tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	vme_offset_low = ioread32be(bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTOFL);
 
 	/* Convert 64-bit variables to 2x 32-bit variables */
@@ -1306,6 +1325,9 @@ ssize_t tsi148_master_read(struct vme_master_resource *image, void *buf,
 	vme_cycle_t cycle;
 	vme_width_t dwidth;
 	struct vme_bus_error *vme_err = NULL;
+	struct vme_bridge *tsi148_bridge;
+
+	tsi148_bridge = image->parent;
 
 	spin_lock(&(image->lock));
 
@@ -1318,13 +1340,15 @@ ssize_t tsi148_master_read(struct vme_master_resource *image, void *buf,
 	__tsi148_master_get(image, &enabled, &vme_base, &size, &aspace, &cycle,
 		&dwidth);
 
-	vme_err = tsi148_find_error(aspace, vme_base + offset, count);
+	vme_err = tsi148_find_error(tsi148_bridge, aspace, vme_base + offset,
+		count);
 	if(vme_err != NULL) {
 		dev_err(image->parent->parent, "First VME read error detected "
 			"an at address 0x%llx\n", vme_err->address);
 		retval = vme_err->address - (vme_base + offset);
 		/* Clear down save errors in this address range */
-		tsi148_clear_errors(aspace, vme_base + offset, count);
+		tsi148_clear_errors(tsi148_bridge, aspace, vme_base + offset,
+			count);
 	}
 
 skip_chk:
@@ -1334,9 +1358,6 @@ skip_chk:
 }
 
 
-/* XXX We need to change vme_master_resource->mtx to a spinlock so that read
- *     and write functions can be used in an interrupt context
- */
 ssize_t tsi148_master_write(struct vme_master_resource *image, void *buf,
 	size_t count, loff_t offset)
 {
@@ -1347,6 +1368,12 @@ ssize_t tsi148_master_write(struct vme_master_resource *image, void *buf,
 	vme_width_t dwidth;
 
 	struct vme_bus_error *vme_err = NULL;
+	struct vme_bridge *tsi148_bridge;
+	struct tsi148_driver *bridge;
+
+	tsi148_bridge = image->parent;
+
+	bridge = tsi148_bridge->driver_priv;
 
 	spin_lock(&(image->lock));
 
@@ -1374,15 +1401,17 @@ ssize_t tsi148_master_write(struct vme_master_resource *image, void *buf,
 	__tsi148_master_get(image, &enabled, &vme_base, &size, &aspace, &cycle,
 		&dwidth);
 
-	ioread16(flush_image->kern_base + 0x7F000);
+	ioread16(bridge->flush_image->kern_base + 0x7F000);
 
-	vme_err = tsi148_find_error(aspace, vme_base + offset, count);
+	vme_err = tsi148_find_error(tsi148_bridge, aspace, vme_base + offset,
+		count);
 	if(vme_err != NULL) {
 		printk("First VME write error detected an at address 0x%llx\n",
 			vme_err->address);
 		retval = vme_err->address - (vme_base + offset);
 		/* Clear down save errors in this address range */
-		tsi148_clear_errors(aspace, vme_base + offset, count);
+		tsi148_clear_errors(tsi148_bridge, aspace, vme_base + offset,
+			count);
 	}
 
 skip_chk:
@@ -1404,48 +1433,50 @@ unsigned int tsi148_master_rmw(struct vme_master_resource *image,
 	unsigned int pci_addr_high, pci_addr_low;
 	u32 tmp, result;
 	int i;
+	struct tsi148_driver *bridge;
 
+	bridge = image->parent->driver_priv;
 
 	/* Find the PCI address that maps to the desired VME address */
 	i = image->number;
 
 	/* Locking as we can only do one of these at a time */
-	mutex_lock(&(vme_rmw));
+	mutex_lock(&(bridge->vme_rmw));
 
 	/* Lock image */
 	spin_lock(&(image->lock));
 
-	pci_addr_high = ioread32be(tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	pci_addr_high = ioread32be(bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTSAU);
-	pci_addr_low = ioread32be(tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	pci_addr_low = ioread32be(bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTSAL);
 
 	reg_join(pci_addr_high, pci_addr_low, &pci_addr);
 	reg_split(pci_addr + offset, &pci_addr_high, &pci_addr_low);
 
 	/* Configure registers */
-	iowrite32be(mask, tsi148_bridge->base + TSI148_LCSR_RMWEN);
-	iowrite32be(compare, tsi148_bridge->base + TSI148_LCSR_RMWC);
-	iowrite32be(swap, tsi148_bridge->base + TSI148_LCSR_RMWS);
-	iowrite32be(pci_addr_high, tsi148_bridge->base + TSI148_LCSR_RMWAU);
-	iowrite32be(pci_addr_low, tsi148_bridge->base + TSI148_LCSR_RMWAL);
+	iowrite32be(mask, bridge->base + TSI148_LCSR_RMWEN);
+	iowrite32be(compare, bridge->base + TSI148_LCSR_RMWC);
+	iowrite32be(swap, bridge->base + TSI148_LCSR_RMWS);
+	iowrite32be(pci_addr_high, bridge->base + TSI148_LCSR_RMWAU);
+	iowrite32be(pci_addr_low, bridge->base + TSI148_LCSR_RMWAL);
 
 	/* Enable RMW */
-	tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_VMCTRL);
+	tmp = ioread32be(bridge->base + TSI148_LCSR_VMCTRL);
 	tmp |= TSI148_LCSR_VMCTRL_RMWEN;
-	iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_VMCTRL);
+	iowrite32be(tmp, bridge->base + TSI148_LCSR_VMCTRL);
 
 	/* Kick process off with a read to the required address. */
 	result = ioread32be(image->kern_base + offset);
 
 	/* Disable RMW */
-	tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_VMCTRL);
+	tmp = ioread32be(bridge->base + TSI148_LCSR_VMCTRL);
 	tmp &= ~TSI148_LCSR_VMCTRL_RMWEN;
-	iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_VMCTRL);
+	iowrite32be(tmp, bridge->base + TSI148_LCSR_VMCTRL);
 
 	spin_unlock(&(image->lock));
 
-	mutex_unlock(&(vme_rmw));
+	mutex_unlock(&(bridge->vme_rmw));
 
 	return result;
 }
@@ -1789,11 +1820,14 @@ err_mem:
 /*
  * Check to see if the provided DMA channel is busy.
  */
-static int tsi148_dma_busy(int channel)
+static int tsi148_dma_busy(struct vme_bridge *tsi148_bridge, int channel)
 {
 	u32 tmp;
+	struct tsi148_driver *bridge;
+
+	bridge = tsi148_bridge->driver_priv;
 
-	tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_DMA[channel] +
+	tmp = ioread32be(bridge->base + TSI148_LCSR_DMA[channel] +
 		TSI148_LCSR_OFFSET_DSTA);
 
 	if (tmp & TSI148_LCSR_DSTA_BSY)
@@ -1819,9 +1853,12 @@ int tsi148_dma_list_exec(struct vme_dma_list *list)
 #if 0
 	int x;
 #endif
+	struct tsi148_driver *bridge;
 
 	ctrlr = list->parent;
 
+	bridge = ctrlr->parent->driver_priv;
+
 	mutex_lock(&(ctrlr->mtx));
 
 	channel = ctrlr->number;
@@ -1891,21 +1928,22 @@ int tsi148_dma_list_exec(struct vme_dma_list *list)
 
 	reg_split(bus_addr, &bus_addr_high, &bus_addr_low);
 
-	iowrite32be(bus_addr_high, tsi148_bridge->base +
+	iowrite32be(bus_addr_high, bridge->base +
 		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DNLAU);
-	iowrite32be(bus_addr_low, tsi148_bridge->base +
+	iowrite32be(bus_addr_low, bridge->base +
 		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DNLAL);
 
 	/* Start the operation */
-	iowrite32be(dctlreg | TSI148_LCSR_DCTL_DGO, tsi148_bridge->base +
+	iowrite32be(dctlreg | TSI148_LCSR_DCTL_DGO, bridge->base +
 		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DCTL);
 
-	wait_event_interruptible(dma_queue[channel], tsi148_dma_busy(channel));
+	wait_event_interruptible(bridge->dma_queue[channel],
+		tsi148_dma_busy(ctrlr->parent, channel));
 	/*
 	 * Read status register, this register is valid until we kick off a
 	 * new transfer.
 	 */
-	val = ioread32be(tsi148_bridge->base + TSI148_LCSR_DMA[channel] +
+	val = ioread32be(bridge->base + TSI148_LCSR_DMA[channel] +
 		TSI148_LCSR_OFFSET_DSTA);
 
 	if (val & TSI148_LCSR_DSTA_VBE) {
@@ -1953,12 +1991,15 @@ int tsi148_lm_set(struct vme_lm_resource *lm, unsigned long long lm_base,
 {
 	u32 lm_base_high, lm_base_low, lm_ctl = 0;
 	int i;
+	struct tsi148_driver *bridge;
+
+	bridge = lm->parent->driver_priv;
 
 	mutex_lock(&(lm->mtx));
 
 	/* If we already have a callback attached, we can't move it! */
 	for (i = 0; i < lm->monitors; i++) {
-		if(lm_callback[i] != NULL) {
+		if (bridge->lm_callback[i] != NULL) {
 			mutex_unlock(&(lm->mtx));
 			printk("Location monitor callback attached, can't "
 				"reset\n");
@@ -1997,9 +2038,9 @@ int tsi148_lm_set(struct vme_lm_resource *lm, unsigned long long lm_base,
 
 	reg_split(lm_base, &lm_base_high, &lm_base_low);
 
-	iowrite32be(lm_base_high, tsi148_bridge->base + TSI148_LCSR_LMBAU);
-	iowrite32be(lm_base_low, tsi148_bridge->base + TSI148_LCSR_LMBAL);
-	iowrite32be(lm_ctl, tsi148_bridge->base + TSI148_LCSR_LMAT);
+	iowrite32be(lm_base_high, bridge->base + TSI148_LCSR_LMBAU);
+	iowrite32be(lm_base_low, bridge->base + TSI148_LCSR_LMBAL);
+	iowrite32be(lm_ctl, bridge->base + TSI148_LCSR_LMAT);
 
 	mutex_unlock(&(lm->mtx));
 
@@ -2013,12 +2054,15 @@ int tsi148_lm_get(struct vme_lm_resource *lm, unsigned long long *lm_base,
 	vme_address_t *aspace, vme_cycle_t *cycle)
 {
 	u32 lm_base_high, lm_base_low, lm_ctl, enabled = 0;
+	struct tsi148_driver *bridge;
+
+	bridge = lm->parent->driver_priv;
 
 	mutex_lock(&(lm->mtx));
 
-	lm_base_high = ioread32be(tsi148_bridge->base + TSI148_LCSR_LMBAU);
-	lm_base_low = ioread32be(tsi148_bridge->base + TSI148_LCSR_LMBAL);
-	lm_ctl = ioread32be(tsi148_bridge->base + TSI148_LCSR_LMAT);
+	lm_base_high = ioread32be(bridge->base + TSI148_LCSR_LMBAU);
+	lm_base_low = ioread32be(bridge->base + TSI148_LCSR_LMBAL);
+	lm_ctl = ioread32be(bridge->base + TSI148_LCSR_LMAT);
 
 	reg_join(lm_base_high, lm_base_low, lm_base);
 
@@ -2061,11 +2105,14 @@ int tsi148_lm_attach(struct vme_lm_resource *lm, int monitor,
 	void (*callback)(int))
 {
 	u32 lm_ctl, tmp;
+	struct tsi148_driver *bridge;
+
+	bridge = lm->parent->driver_priv;
 
 	mutex_lock(&(lm->mtx));
 
 	/* Ensure that the location monitor is configured - need PGM or DATA */
-	lm_ctl = ioread32be(tsi148_bridge->base + TSI148_LCSR_LMAT);
+	lm_ctl = ioread32be(bridge->base + TSI148_LCSR_LMAT);
 	if ((lm_ctl & (TSI148_LCSR_LMAT_PGM | TSI148_LCSR_LMAT_DATA)) == 0) {
 		mutex_unlock(&(lm->mtx));
 		printk("Location monitor not properly configured\n");
@@ -2073,28 +2120,28 @@ int tsi148_lm_attach(struct vme_lm_resource *lm, int monitor,
 	}
 
 	/* Check that a callback isn't already attached */
-	if (lm_callback[monitor] != NULL) {
+	if (bridge->lm_callback[monitor] != NULL) {
 		mutex_unlock(&(lm->mtx));
 		printk("Existing callback attached\n");
 		return -EBUSY;
 	}
 
 	/* Attach callback */
-	lm_callback[monitor] = callback;
+	bridge->lm_callback[monitor] = callback;
 
 	/* Enable Location Monitor interrupt */
-	tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_INTEN);
+	tmp = ioread32be(bridge->base + TSI148_LCSR_INTEN);
 	tmp |= TSI148_LCSR_INTEN_LMEN[monitor];
-	iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_INTEN);
+	iowrite32be(tmp, bridge->base + TSI148_LCSR_INTEN);
 
-	tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_INTEO);
+	tmp = ioread32be(bridge->base + TSI148_LCSR_INTEO);
 	tmp |= TSI148_LCSR_INTEO_LMEO[monitor];
-	iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_INTEO);
+	iowrite32be(tmp, bridge->base + TSI148_LCSR_INTEO);
 
 	/* Ensure that global Location Monitor Enable set */
 	if ((lm_ctl & TSI148_LCSR_LMAT_EN) == 0) {
 		lm_ctl |= TSI148_LCSR_LMAT_EN;
-		iowrite32be(lm_ctl, tsi148_bridge->base + TSI148_LCSR_LMAT);
+		iowrite32be(lm_ctl, bridge->base + TSI148_LCSR_LMAT);
 	}
 
 	mutex_unlock(&(lm->mtx));
@@ -2108,30 +2155,33 @@ int tsi148_lm_attach(struct vme_lm_resource *lm, int monitor,
 int tsi148_lm_detach(struct vme_lm_resource *lm, int monitor)
 {
 	u32 lm_en, tmp;
+	struct tsi148_driver *bridge;
+
+	bridge = lm->parent->driver_priv;
 
 	mutex_lock(&(lm->mtx));
 
 	/* Disable Location Monitor and ensure previous interrupts are clear */
-	lm_en = ioread32be(tsi148_bridge->base + TSI148_LCSR_INTEN);
+	lm_en = ioread32be(bridge->base + TSI148_LCSR_INTEN);
 	lm_en &= ~TSI148_LCSR_INTEN_LMEN[monitor];
-	iowrite32be(lm_en, tsi148_bridge->base + TSI148_LCSR_INTEN);
+	iowrite32be(lm_en, bridge->base + TSI148_LCSR_INTEN);
 
-	tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_INTEO);
+	tmp = ioread32be(bridge->base + TSI148_LCSR_INTEO);
 	tmp &= ~TSI148_LCSR_INTEO_LMEO[monitor];
-	iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_INTEO);
+	iowrite32be(tmp, bridge->base + TSI148_LCSR_INTEO);
 
 	iowrite32be(TSI148_LCSR_INTC_LMC[monitor],
-		 tsi148_bridge->base + TSI148_LCSR_INTC);
+		 bridge->base + TSI148_LCSR_INTC);
 
 	/* Detach callback */
-	lm_callback[monitor] = NULL;
+	bridge->lm_callback[monitor] = NULL;
 
 	/* If all location monitors disabled, disable global Location Monitor */
 	if ((lm_en & (TSI148_LCSR_INTS_LM0S | TSI148_LCSR_INTS_LM1S |
 			TSI148_LCSR_INTS_LM2S | TSI148_LCSR_INTS_LM3S)) == 0) {
-		tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_LMAT);
+		tmp = ioread32be(bridge->base + TSI148_LCSR_LMAT);
 		tmp &= ~TSI148_LCSR_LMAT_EN;
-		iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_LMAT);
+		iowrite32be(tmp, bridge->base + TSI148_LCSR_LMAT);
 	}
 
 	mutex_unlock(&(lm->mtx));
@@ -2142,12 +2192,15 @@ int tsi148_lm_detach(struct vme_lm_resource *lm, int monitor)
 /*
  * Determine Geographical Addressing
  */
-int tsi148_slot_get(void)
+int tsi148_slot_get(struct vme_bridge *tsi148_bridge)
 {
         u32 slot = 0;
+	struct tsi148_driver *bridge;
+
+	bridge = tsi148_bridge->driver_priv;
 
 	if (!geoid) {
-		slot = ioread32be(tsi148_bridge->base + TSI148_LCSR_VSTAT);
+		slot = ioread32be(bridge->base + TSI148_LCSR_VSTAT);
 		slot = slot & TSI148_LCSR_VSTAT_GA_M;
 	} else
 		slot = geoid;
@@ -2172,46 +2225,50 @@ static int __init tsi148_init(void)
  * boards registers, this means there is a fix length 508kB window which must
  * be mapped onto PCI memory.
  */
-static int tsi148_crcsr_init(struct pci_dev *pdev)
+static int tsi148_crcsr_init(struct vme_bridge *tsi148_bridge,
+	struct pci_dev *pdev)
 {
 	u32 cbar, crat, vstat;
 	u32 crcsr_bus_high, crcsr_bus_low;
 	int retval;
+	struct tsi148_driver *bridge;
+
+	bridge = tsi148_bridge->driver_priv;
 
 	/* Allocate mem for CR/CSR image */
-	crcsr_kernel = pci_alloc_consistent(pdev, VME_CRCSR_BUF_SIZE,
-		&crcsr_bus);
-	if (crcsr_kernel == NULL) {
+	bridge->crcsr_kernel = pci_alloc_consistent(pdev, VME_CRCSR_BUF_SIZE,
+		&(bridge->crcsr_bus));
+	if (bridge->crcsr_kernel == NULL) {
 		dev_err(&pdev->dev, "Failed to allocate memory for CR/CSR "
 			"image\n");
 		return -ENOMEM;
 	}
 
-	memset(crcsr_kernel, 0, VME_CRCSR_BUF_SIZE);
+	memset(bridge->crcsr_kernel, 0, VME_CRCSR_BUF_SIZE);
 
-	reg_split(crcsr_bus, &crcsr_bus_high, &crcsr_bus_low);
+	reg_split(bridge->crcsr_bus, &crcsr_bus_high, &crcsr_bus_low);
 
-	iowrite32be(crcsr_bus_high, tsi148_bridge->base + TSI148_LCSR_CROU);
-	iowrite32be(crcsr_bus_low, tsi148_bridge->base + TSI148_LCSR_CROL);
+	iowrite32be(crcsr_bus_high, bridge->base + TSI148_LCSR_CROU);
+	iowrite32be(crcsr_bus_low, bridge->base + TSI148_LCSR_CROL);
 
 	/* Ensure that the CR/CSR is configured at the correct offset */
-	cbar = ioread32be(tsi148_bridge->base + TSI148_CBAR);
+	cbar = ioread32be(bridge->base + TSI148_CBAR);
 	cbar = (cbar & TSI148_CRCSR_CBAR_M)>>3;
 
-	vstat = tsi148_slot_get();
+	vstat = tsi148_slot_get(tsi148_bridge);
 
 	if (cbar != vstat) {
 		cbar = vstat;
 		dev_info(&pdev->dev, "Setting CR/CSR offset\n");
-		iowrite32be(cbar<<3, tsi148_bridge->base + TSI148_CBAR);
+		iowrite32be(cbar<<3, bridge->base + TSI148_CBAR);
 	}
 	dev_info(&pdev->dev, "CR/CSR Offset: %d\n", cbar);
 
-	crat = ioread32be(tsi148_bridge->base + TSI148_LCSR_CRAT);
+	crat = ioread32be(bridge->base + TSI148_LCSR_CRAT);
 	if (crat & TSI148_LCSR_CRAT_EN) {
 		dev_info(&pdev->dev, "Enabling CR/CSR space\n");
 		iowrite32be(crat | TSI148_LCSR_CRAT_EN,
-			tsi148_bridge->base + TSI148_LCSR_CRAT);
+			bridge->base + TSI148_LCSR_CRAT);
 	} else
 		dev_info(&pdev->dev, "CR/CSR already enabled\n");
 
@@ -2220,8 +2277,9 @@ static int tsi148_crcsr_init(struct pci_dev *pdev)
 	 * through VME writes.
 	 */
 	if(err_chk) {
-		retval = tsi148_master_set(flush_image, 1, (vstat * 0x80000),
-			0x80000, VME_CRCSR, VME_SCT, VME_D16);
+		retval = tsi148_master_set(bridge->flush_image, 1,
+			(vstat * 0x80000), 0x80000, VME_CRCSR, VME_SCT,
+			VME_D16);
 		if (retval)
 			dev_err(&pdev->dev, "Configuring flush image failed\n");
 	}
@@ -2230,20 +2288,25 @@ static int tsi148_crcsr_init(struct pci_dev *pdev)
 
 }
 
-static void tsi148_crcsr_exit(struct pci_dev *pdev)
+static void tsi148_crcsr_exit(struct vme_bridge *tsi148_bridge,
+	struct pci_dev *pdev)
 {
 	u32 crat;
+	struct tsi148_driver *bridge;
+
+	bridge = tsi148_bridge->driver_priv;
 
 	/* Turn off CR/CSR space */
-	crat = ioread32be(tsi148_bridge->base + TSI148_LCSR_CRAT);
+	crat = ioread32be(bridge->base + TSI148_LCSR_CRAT);
 	iowrite32be(crat & ~TSI148_LCSR_CRAT_EN,
-		tsi148_bridge->base + TSI148_LCSR_CRAT);
+		bridge->base + TSI148_LCSR_CRAT);
 
 	/* Free image */
-	iowrite32be(0, tsi148_bridge->base + TSI148_LCSR_CROU);
-	iowrite32be(0, tsi148_bridge->base + TSI148_LCSR_CROL);
+	iowrite32be(0, bridge->base + TSI148_LCSR_CROU);
+	iowrite32be(0, bridge->base + TSI148_LCSR_CROL);
 
-	pci_free_consistent(pdev, VME_CRCSR_BUF_SIZE, crcsr_kernel, crcsr_bus);
+	pci_free_consistent(pdev, VME_CRCSR_BUF_SIZE, bridge->crcsr_kernel,
+		bridge->crcsr_bus);
 }
 
 static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
@@ -2251,6 +2314,8 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	int retval, i, master_num;
 	u32 data;
 	struct list_head *pos = NULL;
+	struct vme_bridge *tsi148_bridge;
+	struct tsi148_driver *tsi148_device;
 	struct vme_master_resource *master_image;
 	struct vme_slave_resource *slave_image;
 	struct vme_dma_resource *dma_ctrlr;
@@ -2270,6 +2335,18 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	memset(tsi148_bridge, 0, sizeof(struct vme_bridge));
 
+	tsi148_device = kmalloc(sizeof(struct tsi148_driver), GFP_KERNEL);
+	if (tsi148_device == NULL) {
+		dev_err(&pdev->dev, "Failed to allocate memory for device "
+			"structure\n");
+		retval = -ENOMEM;
+		goto err_driver;
+	}
+
+	memset(tsi148_device, 0, sizeof(struct tsi148_driver));
+
+	tsi148_bridge->driver_priv = tsi148_device;
+
 	/* Enable the device */
 	retval = pci_enable_device(pdev);
 	if (retval) {
@@ -2285,15 +2362,16 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	}
 
 	/* map registers in BAR 0 */
-	tsi148_bridge->base = ioremap_nocache(pci_resource_start(pdev, 0), 4096);
-	if (!tsi148_bridge->base) {
+	tsi148_device->base = ioremap_nocache(pci_resource_start(pdev, 0),
+		4096);
+	if (!tsi148_device->base) {
 		dev_err(&pdev->dev, "Unable to remap CRG region\n");
 		retval = -EIO;
 		goto err_remap;
 	}
 
 	/* Check to see if the mapping worked out */
-	data = ioread32(tsi148_bridge->base + TSI148_PCFS_ID) & 0x0000FFFF;
+	data = ioread32(tsi148_device->base + TSI148_PCFS_ID) & 0x0000FFFF;
 	if (data != PCI_VENDOR_ID_TUNDRA) {
 		dev_err(&pdev->dev, "CRG region check failed\n");
 		retval = -EIO;
@@ -2301,12 +2379,11 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	}
 
 	/* Initialize wait queues & mutual exclusion flags */
-	/* XXX These need to be moved to the vme_bridge structure */
-	init_waitqueue_head(&dma_queue[0]);
-	init_waitqueue_head(&dma_queue[1]);
-	init_waitqueue_head(&iack_queue);
-	mutex_init(&(vme_int));
-	mutex_init(&(vme_rmw));
+	init_waitqueue_head(&(tsi148_device->dma_queue[0]));
+	init_waitqueue_head(&(tsi148_device->dma_queue[1]));
+	init_waitqueue_head(&(tsi148_device->iack_queue));
+	mutex_init(&(tsi148_device->vme_int));
+	mutex_init(&(tsi148_device->vme_rmw));
 
 	tsi148_bridge->parent = &(pdev->dev);
 	strcpy(tsi148_bridge->name, driver_name);
@@ -2326,29 +2403,29 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	master_num = TSI148_MAX_MASTER;
 	if(err_chk){
 		master_num--;
-		/* XXX */
-		flush_image = (struct vme_master_resource *)kmalloc(
-			sizeof(struct vme_master_resource), GFP_KERNEL);
-		if (flush_image == NULL) {
+
+		tsi148_device->flush_image = (struct vme_master_resource *)
+			kmalloc(sizeof(struct vme_master_resource), GFP_KERNEL);
+		if (tsi148_device->flush_image == NULL) {
 			dev_err(&pdev->dev, "Failed to allocate memory for "
 			"flush resource structure\n");
 			retval = -ENOMEM;
 			goto err_master;
 		}
-		flush_image->parent = tsi148_bridge;
-		spin_lock_init(&(flush_image->lock));
-		flush_image->locked = 1;
-		flush_image->number = master_num;
-		flush_image->address_attr = VME_A16 | VME_A24 | VME_A32 |
-			VME_A64;
-		flush_image->cycle_attr = VME_SCT | VME_BLT | VME_MBLT |
-			VME_2eVME | VME_2eSST | VME_2eSSTB | VME_2eSST160 |
-			VME_2eSST267 | VME_2eSST320 | VME_SUPER | VME_USER |
-			VME_PROG | VME_DATA;
-		flush_image->width_attr = VME_D16 | VME_D32;
-		memset(&(flush_image->pci_resource), 0,
+		tsi148_device->flush_image->parent = tsi148_bridge;
+		spin_lock_init(&(tsi148_device->flush_image->lock));
+		tsi148_device->flush_image->locked = 1;
+		tsi148_device->flush_image->number = master_num;
+		tsi148_device->flush_image->address_attr = VME_A16 | VME_A24 |
+			VME_A32 | VME_A64;
+		tsi148_device->flush_image->cycle_attr = VME_SCT | VME_BLT |
+			VME_MBLT | VME_2eVME | VME_2eSST | VME_2eSSTB |
+			VME_2eSST160 | VME_2eSST267 | VME_2eSST320 | VME_SUPER |
+			VME_USER | VME_PROG | VME_DATA;
+		tsi148_device->flush_image->width_attr = VME_D16 | VME_D32;
+		memset(&(tsi148_device->flush_image->pci_resource), 0,
 			sizeof(struct resource));
-		flush_image->kern_base  = NULL;
+		tsi148_device->flush_image->kern_base  = NULL;
 	}
 
 	/* Add master windows to list */
@@ -2465,45 +2542,42 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	tsi148_bridge->lm_detach = tsi148_lm_detach;
 	tsi148_bridge->slot_get = tsi148_slot_get;
 
-	data = ioread32be(tsi148_bridge->base + TSI148_LCSR_VSTAT);
+	data = ioread32be(tsi148_device->base + TSI148_LCSR_VSTAT);
 	dev_info(&pdev->dev, "Board is%s the VME system controller\n",
 		(data & TSI148_LCSR_VSTAT_SCONS)? "" : " not");
-	if (!geoid) {
+	if (!geoid)
 		dev_info(&pdev->dev, "VME geographical address is %d\n",
 			data & TSI148_LCSR_VSTAT_GA_M);
-	} else {
+	else
 		dev_info(&pdev->dev, "VME geographical address is set to %d\n",
 			geoid);
-	}
+
 	dev_info(&pdev->dev, "VME Write and flush and error check is %s\n",
 		err_chk ? "enabled" : "disabled");
 
-	if(tsi148_crcsr_init(pdev)) {
+	if (tsi148_crcsr_init(tsi148_bridge, pdev))
 		dev_err(&pdev->dev, "CR/CSR configuration failed.\n");
 		goto err_crcsr;
 
-	}
-
-	/* Need to save tsi148_bridge pointer locally in link list for use in
-	 * tsi148_remove()
-	 */
 	retval = vme_register_bridge(tsi148_bridge);
 	if (retval != 0) {
 		dev_err(&pdev->dev, "Chip Registration failed.\n");
 		goto err_reg;
 	}
 
+	pci_set_drvdata(pdev, tsi148_bridge);
+
 	/* Clear VME bus "board fail", and "power-up reset" lines */
-	data = ioread32be(tsi148_bridge->base + TSI148_LCSR_VSTAT);
+	data = ioread32be(tsi148_device->base + TSI148_LCSR_VSTAT);
 	data &= ~TSI148_LCSR_VSTAT_BRDFL;
 	data |= TSI148_LCSR_VSTAT_CPURST;
-	iowrite32be(data, tsi148_bridge->base + TSI148_LCSR_VSTAT);
+	iowrite32be(data, tsi148_device->base + TSI148_LCSR_VSTAT);
 
 	return 0;
 
 	vme_unregister_bridge(tsi148_bridge);
 err_reg:
-	tsi148_crcsr_exit(pdev);
+	tsi148_crcsr_exit(tsi148_bridge, pdev);
 err_crcsr:
 err_lm:
 	/* resources are stored in link list */
@@ -2534,15 +2608,17 @@ err_master:
 		kfree(master_image);
 	}
 
-	tsi148_irq_exit(pdev);
+	tsi148_irq_exit(tsi148_device, pdev);
 err_irq:
 err_test:
-	iounmap(tsi148_bridge->base);
+	iounmap(tsi148_device->base);
 err_remap:
 	pci_release_regions(pdev);
 err_resource:
 	pci_disable_device(pdev);
 err_enable:
+	kfree(tsi148_device);
+err_driver:
 	kfree(tsi148_bridge);
 err_struct:
 	return retval;
@@ -2556,56 +2632,58 @@ static void tsi148_remove(struct pci_dev *pdev)
 	struct vme_slave_resource *slave_image;
 	struct vme_dma_resource *dma_ctrlr;
 	int i;
+	struct tsi148_driver *bridge;
+	struct vme_bridge *tsi148_bridge = pci_get_drvdata(pdev);
+
+	bridge = tsi148_bridge->driver_priv;
 
-	dev_dbg(&pdev->dev, "Driver is being unloaded.\n");
 
-	/* XXX We need to find the pdev->dev in the list of vme_bridge->dev's */
+	dev_dbg(&pdev->dev, "Driver is being unloaded.\n");
 
 	/*
 	 *  Shutdown all inbound and outbound windows.
 	 */
 	for (i = 0; i < 8; i++) {
-		iowrite32be(0, tsi148_bridge->base + TSI148_LCSR_IT[i] +
+		iowrite32be(0, bridge->base + TSI148_LCSR_IT[i] +
 			TSI148_LCSR_OFFSET_ITAT);
-		iowrite32be(0, tsi148_bridge->base + TSI148_LCSR_OT[i] +
+		iowrite32be(0, bridge->base + TSI148_LCSR_OT[i] +
 			TSI148_LCSR_OFFSET_OTAT);
 	}
 
 	/*
 	 *  Shutdown Location monitor.
 	 */
-	iowrite32be(0, tsi148_bridge->base + TSI148_LCSR_LMAT);
+	iowrite32be(0, bridge->base + TSI148_LCSR_LMAT);
 
 	/*
 	 *  Shutdown CRG map.
 	 */
-	iowrite32be(0, tsi148_bridge->base + TSI148_LCSR_CSRAT);
+	iowrite32be(0, bridge->base + TSI148_LCSR_CSRAT);
 
 	/*
 	 *  Clear error status.
 	 */
-	iowrite32be(0xFFFFFFFF, tsi148_bridge->base + TSI148_LCSR_EDPAT);
-	iowrite32be(0xFFFFFFFF, tsi148_bridge->base + TSI148_LCSR_VEAT);
-	iowrite32be(0x07000700, tsi148_bridge->base + TSI148_LCSR_PSTAT);
+	iowrite32be(0xFFFFFFFF, bridge->base + TSI148_LCSR_EDPAT);
+	iowrite32be(0xFFFFFFFF, bridge->base + TSI148_LCSR_VEAT);
+	iowrite32be(0x07000700, bridge->base + TSI148_LCSR_PSTAT);
 
 	/*
 	 *  Remove VIRQ interrupt (if any)
 	 */
-	if (ioread32be(tsi148_bridge->base + TSI148_LCSR_VICR) & 0x800) {
-		iowrite32be(0x8000, tsi148_bridge->base + TSI148_LCSR_VICR);
-	}
+	if (ioread32be(bridge->base + TSI148_LCSR_VICR) & 0x800)
+		iowrite32be(0x8000, bridge->base + TSI148_LCSR_VICR);
 
 	/*
 	 *  Map all Interrupts to PCI INTA
 	 */
-	iowrite32be(0x0, tsi148_bridge->base + TSI148_LCSR_INTM1);
-	iowrite32be(0x0, tsi148_bridge->base + TSI148_LCSR_INTM2);
+	iowrite32be(0x0, bridge->base + TSI148_LCSR_INTM1);
+	iowrite32be(0x0, bridge->base + TSI148_LCSR_INTM2);
 
-	tsi148_irq_exit(pdev);
+	tsi148_irq_exit(bridge, pdev);
 
 	vme_unregister_bridge(tsi148_bridge);
 
-	tsi148_crcsr_exit(pdev);
+	tsi148_crcsr_exit(tsi148_bridge, pdev);
 
 	/* resources are stored in link list */
 	list_for_each(pos, &(tsi148_bridge->dma_resources)) {
@@ -2629,14 +2707,16 @@ static void tsi148_remove(struct pci_dev *pdev)
 		kfree(master_image);
 	}
 
-	tsi148_irq_exit(pdev);
+	tsi148_irq_exit(bridge, pdev);
 
-	iounmap(tsi148_bridge->base);
+	iounmap(bridge->base);
 
 	pci_release_regions(pdev);
 
 	pci_disable_device(pdev);
 
+	kfree(tsi148_bridge->driver_priv);
+
 	kfree(tsi148_bridge);
 }
 
@@ -2724,29 +2804,29 @@ int tsi148_dma_run(struct vme_dma_resource *resource, struct vme_dma_attr src,
 	}
 
 	/* Program registers for DMA transfer */
-	iowrite32be(dmaLL->dsau, tsi148_bridge->base +
+	iowrite32be(dmaLL->dsau, tsi148_bridge->driver_priv->base +
 		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DSAU);
-	iowrite32be(dmaLL->dsal, tsi148_bridge->base +
+	iowrite32be(dmaLL->dsal, tsi148_bridge->driver_priv->base +
 		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DSAL);
-	iowrite32be(dmaLL->ddau, tsi148_bridge->base +
+	iowrite32be(dmaLL->ddau, tsi148_bridge->driver_priv->base +
 		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DDAU);
-	iowrite32be(dmaLL->ddal, tsi148_bridge->base +
+	iowrite32be(dmaLL->ddal, tsi148_bridge->driver_priv->base +
 		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DDAL);
-	iowrite32be(dmaLL->dsat, tsi148_bridge->base +
+	iowrite32be(dmaLL->dsat, tsi148_bridge->driver_priv->base +
 		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DSAT);
-	iowrite32be(dmaLL->ddat, tsi148_bridge->base +
+	iowrite32be(dmaLL->ddat, tsi148_bridge->driver_priv->base +
 		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DDAT);
-	iowrite32be(dmaLL->dcnt, tsi148_bridge->base +
+	iowrite32be(dmaLL->dcnt, tsi148_bridge->driver_priv->base +
 		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DCNT);
-	iowrite32be(dmaLL->ddbs, tsi148_bridge->base +
+	iowrite32be(dmaLL->ddbs, tsi148_bridge->driver_priv->base +
 		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DDBS);
 
 	/* Start the operation */
-	iowrite32be(dctlreg | 0x2000000, tsi148_bridge->base +
+	iowrite32be(dctlreg | 0x2000000, tsi148_bridge->driver_priv->base +
 		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DCTL);
 
-	tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_DMA[channel] +
-		TSI148_LCSR_OFFSET_DSTA);
+	tmp = ioread32be(tsi148_bridge->driver_priv->base +
+		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DSTA);
 	wait_event_interruptible(dma_queue[channel], (tmp & 0x1000000) == 0);
 
 	/*
@@ -2754,8 +2834,8 @@ int tsi148_dma_run(struct vme_dma_resource *resource, struct vme_dma_attr src,
 	 * handler rather than here so that we can be sure we haven't kicked off
 	 * another DMA transfer.
 	 */
-	val = ioread32be(tsi148_bridge->base + TSI148_LCSR_DMA[channel] +
-		TSI148_LCSR_OFFSET_DSTA);
+	val = ioread32be(tsi148_bridge->driver_priv->base +
+		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DSTA);
 
 	vmeDma->vmeDmaStatus = 0;
 	if (val & 0x10000000) {
@@ -2782,7 +2862,8 @@ int tempe_set_arbiter(vmeArbiterCfg_t * vmeArb)
 	int temp_ctl = 0;
 	int gto = 0;
 
-	temp_ctl = ioread32be(tsi148_bridge->base + TSI148_LCSR_VCTRL);
+	temp_ctl = ioread32be(tsi148_bridge->driver_priv->base +
+		TSI148_LCSR_VCTRL);
 	temp_ctl &= 0xFFEFFF00;
 
 	if (vmeArb->globalTimeoutTimer == 0xFFFFFFFF) {
@@ -2810,7 +2891,8 @@ int tempe_set_arbiter(vmeArbiterCfg_t * vmeArb)
 	if (vmeArb->noEarlyReleaseFlag) {
 		temp_ctl |= 1 << 20;
 	}
-	iowrite32be(temp_ctl, tsi148_bridge->base + TSI148_LCSR_VCTRL);
+	iowrite32be(temp_ctl, tsi148_bridge->driver_priv->base +
+		TSI148_LCSR_VCTRL);
 
 	return (0);
 }
@@ -2824,7 +2906,8 @@ int tempe_get_arbiter(vmeArbiterCfg_t * vmeArb)
 	int gto = 0;
 
 
-	temp_ctl = ioread32be(tsi148_bridge->base + TSI148_LCSR_VCTRL);
+	temp_ctl = ioread32be(tsi148_bridge->driver_priv->base +
+		TSI148_LCSR_VCTRL);
 
 	gto = temp_ctl & 0xF;
 	if (gto != 0) {
@@ -2855,7 +2938,8 @@ int tempe_set_requestor(vmeRequesterCfg_t * vmeReq)
 {
 	int temp_ctl = 0;
 
-	temp_ctl = ioread32be(tsi148_bridge->base + TSI148_LCSR_VMCTRL);
+	temp_ctl = ioread32be(tsi148_bridge->driver_priv->base +
+		TSI148_LCSR_VMCTRL);
 	temp_ctl &= 0xFFFF0000;
 
 	if (vmeReq->releaseMode == 1) {
@@ -2870,7 +2954,8 @@ int tempe_set_requestor(vmeRequesterCfg_t * vmeReq)
 	temp_ctl |= (vmeReq->timeoffTimeoutTimer & 7) << 12;
 	temp_ctl |= vmeReq->requestLevel;
 
-	iowrite32be(temp_ctl, tsi148_bridge->base + TSI148_LCSR_VMCTRL);
+	iowrite32be(temp_ctl, tsi148_bridge->driver_priv->base +
+		TSI148_LCSR_VMCTRL);
 	return (0);
 }
 
@@ -2881,7 +2966,8 @@ int tempe_get_requestor(vmeRequesterCfg_t * vmeReq)
 {
 	int temp_ctl = 0;
 
-	temp_ctl = ioread32be(tsi148_bridge->base + TSI148_LCSR_VMCTRL);
+	temp_ctl = ioread32be(tsi148_bridge->driver_priv->base +
+		TSI148_LCSR_VMCTRL);
 
 	if (temp_ctl & 0x18) {
 		vmeReq->releaseMode = 1;

drivers/staging/vme/bridges/vme_tsi148.h

@@ -33,6 +33,22 @@
 #define TSI148_MAX_MAILBOX		4	/* Max Mail Box registers */
 #define TSI148_MAX_SEMAPHORE		8	/* Max Semaphores */
 
+/* Structure used to hold driver specific information */
+struct tsi148_driver {
+	void *base;	/* Base Address of device registers */
+	wait_queue_head_t dma_queue[2];
+	wait_queue_head_t iack_queue;
+	void (*lm_callback[4])(int);	/* Called in interrupt handler */
+	void *crcsr_kernel;
+	dma_addr_t crcsr_bus;
+	struct vme_master_resource *flush_image;
+	struct mutex vme_rmw;		/* Only one RMW cycle at a time */
+	struct mutex vme_int;		/*
+					 * Only one VME interrupt can be
+					 * generated at a time, provide locking
+					 */
+};
+
 /*
  * Layout of a DMAC Linked-List Descriptor
  *

drivers/staging/vme/vme.c

@@ -993,7 +993,7 @@ void vme_irq_handler(struct vme_bridge *bridge, int level, int statid)
 EXPORT_SYMBOL(vme_irq_handler);
 
 int vme_irq_request(struct device *dev, int level, int statid,
-	void (*callback)(int level, int vector, void *priv_data),
+	void (*callback)(int, int, void *),
 	void *priv_data)
 {
 	struct vme_bridge *bridge;
@@ -1027,7 +1027,7 @@ int vme_irq_request(struct device *dev, int level, int statid,
 	bridge->irq[level - 1].callback[statid].func = callback;
 
 	/* Enable IRQ level */
-	bridge->irq_set(level, 1, 1);
+	bridge->irq_set(bridge, level, 1, 1);
 
 	mutex_unlock(&(bridge->irq_mtx));
 
@@ -1061,7 +1061,7 @@ void vme_irq_free(struct device *dev, int level, int statid)
 
 	/* Disable IRQ level if no more interrupts attached at this level*/
 	if (bridge->irq[level - 1].count == 0)
-		bridge->irq_set(level, 0, 1);
+		bridge->irq_set(bridge, level, 0, 1);
 
 	bridge->irq[level - 1].callback[statid].func = NULL;
 	bridge->irq[level - 1].callback[statid].priv_data = NULL;
@@ -1090,7 +1090,7 @@ int vme_irq_generate(struct device *dev, int level, int statid)
 		return -EINVAL;
 	}
 
-	return bridge->irq_generate(level, statid);
+	return bridge->irq_generate(bridge, level, statid);
 }
 EXPORT_SYMBOL(vme_irq_generate);
 
@@ -1303,7 +1303,7 @@ int vme_slot_get(struct device *bus)
 		return -EINVAL;
 	}
 
-	return bridge->slot_get();
+	return bridge->slot_get(bridge);
 }
 EXPORT_SYMBOL(vme_slot_get);
 

drivers/staging/vme/vme_bridge.h

@@ -113,7 +113,7 @@ struct vme_bridge {
 
 	/* Bridge Info - XXX Move to private structure? */
 	struct device *parent;	/* Generic device struct (pdev->dev for PCI) */
-	void *base;		/* Base Address of device registers */
+	void *driver_priv;	/* Private pointer for the bridge driver */
 
 	struct device dev[VME_SLOTS_MAX];	/* Device registered with
 						 * device model on VME bus
@@ -152,8 +152,8 @@ struct vme_bridge {
 	int (*dma_list_empty) (struct vme_dma_list *);
 
 	/* Interrupt Functions */
-	void (*irq_set) (int, int, int);
-	int (*irq_generate) (int, int);
+	void (*irq_set) (struct vme_bridge *, int, int, int);
+	int (*irq_generate) (struct vme_bridge *, int, int);
 
 	/* Location monitor functions */
 	int (*lm_set) (struct vme_lm_resource *, unsigned long long,
@@ -164,7 +164,7 @@ struct vme_bridge {
 	int (*lm_detach) (struct vme_lm_resource *, int);
 
 	/* CR/CSR space functions */
-	int (*slot_get) (void);
+	int (*slot_get) (struct vme_bridge *);
 	/* Use standard master read and write functions to access CR/CSR */
 
 #if 0