#include <linux/spinlock.h>
#include <linux/sched.h>
#include <linux/slab.h>
-#include <asm/time.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
+#include <linux/time.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
#include "../vme.h"
#include "../vme_bridge.h"
static void __exit tsi148_exit(void);
-int tsi148_slave_set(struct vme_slave_resource *, int, unsigned long long,
- unsigned long long, dma_addr_t, vme_address_t, vme_cycle_t);
-int tsi148_slave_get(struct vme_slave_resource *, int *, unsigned long long *,
- unsigned long long *, dma_addr_t *, vme_address_t *, vme_cycle_t *);
-
-int tsi148_master_get(struct vme_master_resource *, int *, unsigned long long *,
- unsigned long long *, vme_address_t *, vme_cycle_t *, vme_width_t *);
-int tsi148_master_set(struct vme_master_resource *, int, unsigned long long,
- unsigned long long, vme_address_t, vme_cycle_t, vme_width_t);
-ssize_t tsi148_master_read(struct vme_master_resource *, void *, size_t,
- loff_t);
-ssize_t tsi148_master_write(struct vme_master_resource *, void *, size_t,
- loff_t);
-unsigned int tsi148_master_rmw(struct vme_master_resource *, unsigned int,
- unsigned int, unsigned int, loff_t);
-int tsi148_dma_list_add (struct vme_dma_list *, struct vme_dma_attr *,
- struct vme_dma_attr *, size_t);
-int tsi148_dma_list_exec(struct vme_dma_list *);
-int tsi148_dma_list_empty(struct vme_dma_list *);
-int tsi148_generate_irq(int, int);
-
/* Module parameter */
static int err_chk;
static int geoid;
u32 serviced = 0;
for (i = 0; i < 4; i++) {
- if(stat & TSI148_LCSR_INTS_LMS[i]) {
+ if (stat & TSI148_LCSR_INTS_LMS[i]) {
/* We only enable interrupts if the callback is set */
bridge->lm_callback[i](i);
serviced |= TSI148_LCSR_INTC_LMC[i];
bridge = tsi148_bridge->driver_priv;
for (i = 0; i < 4; i++) {
- if(stat & TSI148_LCSR_INTS_MBS[i]) {
+ if (stat & TSI148_LCSR_INTS_MBS[i]) {
val = ioread32be(bridge->base + TSI148_GCSR_MBOX[i]);
dev_err(tsi148_bridge->parent, "VME Mailbox %d received"
": 0x%x\n", i, val);
reg_join(error_addr_high, error_addr_low, &error_addr);
/* Check for exception register overflow (we have lost error data) */
- if(error_attrib & TSI148_LCSR_VEAT_VEOF) {
+ if (error_attrib & TSI148_LCSR_VEAT_VEOF) {
dev_err(tsi148_bridge->parent, "VME Bus Exception Overflow "
"Occurred\n");
}
- error = (struct vme_bus_error *)kmalloc(sizeof (struct vme_bus_error),
- GFP_ATOMIC);
+ error = kmalloc(sizeof(struct vme_bus_error), GFP_ATOMIC);
if (error) {
error->address = error_addr;
error->attributes = error_attrib;
for (i = 7; i > 0; i--) {
if (stat & (1 << i)) {
/*
- * Note: Even though the registers are defined
- * as 32-bits in the spec, we only want to issue
- * 8-bit IACK cycles on the bus, read from offset
- * 3.
+ * Note: Even though the registers are defined as
+ * 32-bits in the spec, we only want to issue 8-bit
+ * IACK cycles on the bus, read from offset 3.
*/
vec = ioread8(bridge->base + TSI148_LCSR_VIACK[i] + 3);
/* Only look at unmasked interrupts */
stat &= enable;
- if (unlikely(!stat)) {
+ if (unlikely(!stat))
return IRQ_NONE;
- }
/* Call subhandlers as appropriate */
/* DMA irqs */
/* Iterate through errors */
list_for_each(err_pos, &(tsi148_bridge->vme_errors)) {
vme_err = list_entry(err_pos, struct vme_bus_error, list);
- if((vme_err->address >= address) && (vme_err->address < bound)){
+ if ((vme_err->address >= address) &&
+ (vme_err->address < bound)) {
+
valid = vme_err;
break;
}
list_for_each_safe(err_pos, temp, &(tsi148_bridge->vme_errors)) {
vme_err = list_entry(err_pos, struct vme_bus_error, list);
- if((vme_err->address >= address) && (vme_err->address < bound)){
+ if ((vme_err->address >= address) &&
+ (vme_err->address < bound)) {
+
list_del(err_pos);
kfree(vme_err);
}
}
/* Exit here if size is zero */
- if (size == 0) {
+ if (size == 0)
return 0;
- }
if (image->bus_resource.name == NULL) {
image->bus_resource.name = kmalloc(VMENAMSIZ+3, GFP_KERNEL);
/*
* Set the attributes of an outbound window.
*/
-int tsi148_master_set( struct vme_master_resource *image, int enabled,
+int tsi148_master_set(struct vme_master_resource *image, int enabled,
unsigned long long vme_base, unsigned long long size,
vme_address_t aspace, vme_cycle_t cycle, vme_width_t dwidth)
{
*
* XXX Not parsing prefetch information.
*/
-int __tsi148_master_get( struct vme_master_resource *image, int *enabled,
+int __tsi148_master_get(struct vme_master_resource *image, int *enabled,
unsigned long long *vme_base, unsigned long long *size,
vme_address_t *aspace, vme_cycle_t *cycle, vme_width_t *dwidth)
{
*cycle |= VME_2eSST320;
/* Setup cycle types */
- if ((ctl & TSI148_LCSR_OTAT_TM_M ) == TSI148_LCSR_OTAT_TM_SCT)
+ if ((ctl & TSI148_LCSR_OTAT_TM_M) == TSI148_LCSR_OTAT_TM_SCT)
*cycle |= VME_SCT;
- if ((ctl & TSI148_LCSR_OTAT_TM_M ) == TSI148_LCSR_OTAT_TM_BLT)
+ if ((ctl & TSI148_LCSR_OTAT_TM_M) == TSI148_LCSR_OTAT_TM_BLT)
*cycle |= VME_BLT;
- if ((ctl & TSI148_LCSR_OTAT_TM_M ) == TSI148_LCSR_OTAT_TM_MBLT)
+ if ((ctl & TSI148_LCSR_OTAT_TM_M) == TSI148_LCSR_OTAT_TM_MBLT)
*cycle |= VME_MBLT;
- if ((ctl & TSI148_LCSR_OTAT_TM_M ) == TSI148_LCSR_OTAT_TM_2eVME)
+ if ((ctl & TSI148_LCSR_OTAT_TM_M) == TSI148_LCSR_OTAT_TM_2eVME)
*cycle |= VME_2eVME;
- if ((ctl & TSI148_LCSR_OTAT_TM_M ) == TSI148_LCSR_OTAT_TM_2eSST)
+ if ((ctl & TSI148_LCSR_OTAT_TM_M) == TSI148_LCSR_OTAT_TM_2eSST)
*cycle |= VME_2eSST;
- if ((ctl & TSI148_LCSR_OTAT_TM_M ) == TSI148_LCSR_OTAT_TM_2eSSTB)
+ if ((ctl & TSI148_LCSR_OTAT_TM_M) == TSI148_LCSR_OTAT_TM_2eSSTB)
*cycle |= VME_2eSSTB;
if (ctl & TSI148_LCSR_OTAT_SUP)
}
-int tsi148_master_get( struct vme_master_resource *image, int *enabled,
+int tsi148_master_get(struct vme_master_resource *image, int *enabled,
unsigned long long *vme_base, unsigned long long *size,
vme_address_t *aspace, vme_cycle_t *cycle, vme_width_t *dwidth)
{
vme_err = tsi148_find_error(tsi148_bridge, aspace, vme_base + offset,
count);
- if(vme_err != NULL) {
+ 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);
vme_err = tsi148_find_error(tsi148_bridge, aspace, vme_base + offset,
count);
- if(vme_err != NULL) {
+ if (vme_err != NULL) {
dev_warn(tsi148_bridge->parent, "First VME write error detected"
" an at address 0x%llx\n", vme_err->address);
retval = vme_err->address - (vme_base + offset);
}
/* Setup cycle types */
- if (cycle & VME_SCT) {
+ if (cycle & VME_SCT)
*attr |= TSI148_LCSR_DSAT_TM_SCT;
- }
- if (cycle & VME_BLT) {
+
+ if (cycle & VME_BLT)
*attr |= TSI148_LCSR_DSAT_TM_BLT;
- }
- if (cycle & VME_MBLT) {
+
+ if (cycle & VME_MBLT)
*attr |= TSI148_LCSR_DSAT_TM_MBLT;
- }
- if (cycle & VME_2eVME) {
+
+ if (cycle & VME_2eVME)
*attr |= TSI148_LCSR_DSAT_TM_2eVME;
- }
- if (cycle & VME_2eSST) {
+
+ if (cycle & VME_2eSST)
*attr |= TSI148_LCSR_DSAT_TM_2eSST;
- }
+
if (cycle & VME_2eSSTB) {
dev_err(dev, "Currently not setting Broadcast Select "
"Registers\n");
}
/* Setup cycle types */
- if (cycle & VME_SCT) {
+ if (cycle & VME_SCT)
*attr |= TSI148_LCSR_DDAT_TM_SCT;
- }
- if (cycle & VME_BLT) {
+
+ if (cycle & VME_BLT)
*attr |= TSI148_LCSR_DDAT_TM_BLT;
- }
- if (cycle & VME_MBLT) {
+
+ if (cycle & VME_MBLT)
*attr |= TSI148_LCSR_DDAT_TM_MBLT;
- }
- if (cycle & VME_2eVME) {
+
+ if (cycle & VME_2eVME)
*attr |= TSI148_LCSR_DDAT_TM_2eVME;
- }
- if (cycle & VME_2eSST) {
+
+ if (cycle & VME_2eSST)
*attr |= TSI148_LCSR_DDAT_TM_2eSST;
- }
+
if (cycle & VME_2eSSTB) {
dev_err(dev, "Currently not setting Broadcast Select "
"Registers\n");
/*
* Add a link list descriptor to the list
*/
-int tsi148_dma_list_add (struct vme_dma_list *list, struct vme_dma_attr *src,
+int tsi148_dma_list_add(struct vme_dma_list *list, struct vme_dma_attr *src,
struct vme_dma_attr *dest, size_t count)
{
struct tsi148_dma_entry *entry, *prev;
tsi148_bridge = list->parent->parent;
/* Descriptor must be aligned on 64-bit boundaries */
- entry = (struct tsi148_dma_entry *)kmalloc(
- sizeof(struct tsi148_dma_entry), GFP_KERNEL);
+ entry = kmalloc(sizeof(struct tsi148_dma_entry), GFP_KERNEL);
if (entry == NULL) {
dev_err(tsi148_bridge->parent, "Failed to allocate memory for "
"dma resource structure\n");
entry->descriptor.dsal = pattern_attr->pattern;
entry->descriptor.dsat = TSI148_LCSR_DSAT_TYP_PAT;
/* Default behaviour is 32 bit pattern */
- if (pattern_attr->type & VME_DMA_PATTERN_BYTE) {
+ if (pattern_attr->type & VME_DMA_PATTERN_BYTE)
entry->descriptor.dsat |= TSI148_LCSR_DSAT_PSZ;
- }
+
/* It seems that the default behaviour is to increment */
- if ((pattern_attr->type & VME_DMA_PATTERN_INCREMENT) == 0) {
+ if ((pattern_attr->type & VME_DMA_PATTERN_INCREMENT) == 0)
entry->descriptor.dsat |= TSI148_LCSR_DSAT_NIN;
- }
+
break;
case VME_DMA_PCI:
pci_attr = (struct vme_dma_pci *)src->private;
retval = tsi148_dma_set_vme_src_attributes(
tsi148_bridge->parent, &(entry->descriptor.dsat),
vme_attr->aspace, vme_attr->cycle, vme_attr->dwidth);
- if(retval < 0 )
+ if (retval < 0)
goto err_source;
break;
default:
retval = tsi148_dma_set_vme_dest_attributes(
tsi148_bridge->parent, &(entry->descriptor.ddat),
vme_attr->aspace, vme_attr->cycle, vme_attr->dwidth);
- if(retval < 0 )
+ if (retval < 0)
goto err_dest;
break;
default:
list_add_tail(&(entry->list), &(list->entries));
/* Fill out previous descriptors "Next Address" */
- if(entry->list.prev != &(list->entries)){
+ if (entry->list.prev != &(list->entries)) {
prev = list_entry(entry->list.prev, struct tsi148_dma_entry,
list);
/* We need the bus address for the pointer */
channel = ctrlr->number;
- if (! list_empty(&(ctrlr->running))) {
+ if (!list_empty(&(ctrlr->running))) {
/*
* XXX We have an active DMA transfer and currently haven't
* sorted out the mechanism for "pending" DMA transfers.
int tsi148_dma_list_empty(struct vme_dma_list *list)
{
struct list_head *pos, *temp;
- struct tsi148_dma_entry *entry;
+ struct tsi148_dma_entry *entry;
/* detach and free each entry */
list_for_each_safe(pos, temp, &(list->entries)) {
kfree(entry);
}
- return (0);
+ return 0;
}
/*
if (lm_ctl & TSI148_LCSR_LMAT_EN)
enabled = 1;
- if ((lm_ctl & TSI148_LCSR_LMAT_AS_M) == TSI148_LCSR_LMAT_AS_A16) {
+ if ((lm_ctl & TSI148_LCSR_LMAT_AS_M) == TSI148_LCSR_LMAT_AS_A16)
*aspace |= VME_A16;
- }
- if ((lm_ctl & TSI148_LCSR_LMAT_AS_M) == TSI148_LCSR_LMAT_AS_A24) {
+
+ if ((lm_ctl & TSI148_LCSR_LMAT_AS_M) == TSI148_LCSR_LMAT_AS_A24)
*aspace |= VME_A24;
- }
- if ((lm_ctl & TSI148_LCSR_LMAT_AS_M) == TSI148_LCSR_LMAT_AS_A32) {
+
+ if ((lm_ctl & TSI148_LCSR_LMAT_AS_M) == TSI148_LCSR_LMAT_AS_A32)
*aspace |= VME_A32;
- }
- if ((lm_ctl & TSI148_LCSR_LMAT_AS_M) == TSI148_LCSR_LMAT_AS_A64) {
+
+ if ((lm_ctl & TSI148_LCSR_LMAT_AS_M) == TSI148_LCSR_LMAT_AS_A64)
*aspace |= VME_A64;
- }
+
if (lm_ctl & TSI148_LCSR_LMAT_SUPR)
*cycle |= VME_SUPER;
*/
int tsi148_slot_get(struct vme_bridge *tsi148_bridge)
{
- u32 slot = 0;
+ u32 slot = 0;
struct tsi148_driver *bridge;
bridge = tsi148_bridge->driver_priv;
* over the CR/CSR registers. We read from here to safely flush
* through VME writes.
*/
- if(err_chk) {
+ if (err_chk) {
retval = tsi148_master_set(bridge->flush_image, 1,
(vstat * 0x80000), 0x80000, VME_CRCSR, VME_SCT,
VME_D16);
/* If we want to support more than one of each bridge, we need to
* dynamically generate this so we get one per device
*/
- tsi148_bridge = (struct vme_bridge *)kmalloc(sizeof(struct vme_bridge),
- GFP_KERNEL);
+ tsi148_bridge = kmalloc(sizeof(struct vme_bridge), GFP_KERNEL);
if (tsi148_bridge == NULL) {
dev_err(&pdev->dev, "Failed to allocate memory for device "
"structure\n");
* hence have one less master window resource available.
*/
master_num = TSI148_MAX_MASTER;
- if(err_chk){
+ if (err_chk) {
master_num--;
tsi148_device->flush_image = (struct vme_master_resource *)
/* Add master windows to list */
INIT_LIST_HEAD(&(tsi148_bridge->master_resources));
for (i = 0; i < master_num; i++) {
- master_image = (struct vme_master_resource *)kmalloc(
- sizeof(struct vme_master_resource), GFP_KERNEL);
+ master_image = kmalloc(sizeof(struct vme_master_resource),
+ GFP_KERNEL);
if (master_image == NULL) {
dev_err(&pdev->dev, "Failed to allocate memory for "
"master resource structure\n");
/* Add slave windows to list */
INIT_LIST_HEAD(&(tsi148_bridge->slave_resources));
for (i = 0; i < TSI148_MAX_SLAVE; i++) {
- slave_image = (struct vme_slave_resource *)kmalloc(
- sizeof(struct vme_slave_resource), GFP_KERNEL);
+ slave_image = kmalloc(sizeof(struct vme_slave_resource),
+ GFP_KERNEL);
if (slave_image == NULL) {
dev_err(&pdev->dev, "Failed to allocate memory for "
"slave resource structure\n");
/* Add dma engines to list */
INIT_LIST_HEAD(&(tsi148_bridge->dma_resources));
for (i = 0; i < TSI148_MAX_DMA; i++) {
- dma_ctrlr = (struct vme_dma_resource *)kmalloc(
- sizeof(struct vme_dma_resource), GFP_KERNEL);
+ dma_ctrlr = kmalloc(sizeof(struct vme_dma_resource),
+ GFP_KERNEL);
if (dma_ctrlr == NULL) {
dev_err(&pdev->dev, "Failed to allocate memory for "
"dma resource structure\n");
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");
+ (data & TSI148_LCSR_VSTAT_SCONS) ? "" : " not");
if (!geoid)
dev_info(&pdev->dev, "VME geographical address is %d\n",
data & TSI148_LCSR_VSTAT_GA_M);
err_master:
/* resources are stored in link list */
list_for_each(pos, &(tsi148_bridge->master_resources)) {
- master_image = list_entry(pos, struct vme_master_resource, list);
+ master_image = list_entry(pos, struct vme_master_resource,
+ list);
list_del(pos);
kfree(master_image);
}
/*
* Memory Base Address Lower Reg (CRG + $010)
*/
-#define TSI148_PCFS_MBARL_BASEL_M (0xFFFFF<<12) /* Base Addr Lower Mask */
+#define TSI148_PCFS_MBARL_BASEL_M (0xFFFFF<<12) /* Base Addr Lower Mask */
#define TSI148_PCFS_MBARL_PRE (1<<3) /* Prefetch */
#define TSI148_PCFS_MBARL_MTYPE_M (3<<1) /* Memory Type Mask */
#define TSI148_PCFS_MBARL_IOMEM (1<<0) /* I/O Space Indicator */
*/
#define TSI148_PCFS_PCIXSTAT_RSCEM (1<<29) /* Recieved Split Comp Error */
#define TSI148_PCFS_PCIXSTAT_DMCRS_M (7<<26) /* max Cumulative Read Size */
-#define TSI148_PCFS_PCIXSTAT_DMOST_M (7<<23) /* max outstanding Split Trans */
+#define TSI148_PCFS_PCIXSTAT_DMOST_M (7<<23) /* max outstanding Split Trans
+ */
#define TSI148_PCFS_PCIXSTAT_DMMRC_M (3<<21) /* max mem read byte count */
#define TSI148_PCFS_PCIXSTAT_DC (1<<20) /* Device Complexity */
#define TSI148_PCFS_PCIXSTAT_USC (1<<19) /* Unexpected Split comp */
#define TSI148_LCSR_VMCTRL_RMWEN (1<<20) /* RMW Enable */
-#define TSI148_LCSR_VMCTRL_ATO_M (7<<16) /* Master Access Time-out Mask */
+#define TSI148_LCSR_VMCTRL_ATO_M (7<<16) /* Master Access Time-out Mask
+ */
#define TSI148_LCSR_VMCTRL_ATO_32 (0<<16) /* 32 us */
#define TSI148_LCSR_VMCTRL_ATO_128 (1<<16) /* 128 us */
#define TSI148_LCSR_VMCTRL_ATO_512 (2<<16) /* 512 us */
#define TSI148_LCSR_VMCTRL_VTON_256 (6<<8) /* 256us */
#define TSI148_LCSR_VMCTRL_VTON_512 (7<<8) /* 512us */
-#define TSI148_LCSR_VMCTRL_VREL_M (3<<3) /* VMEbus Master Rel Mode Mask */
+#define TSI148_LCSR_VMCTRL_VREL_M (3<<3) /* VMEbus Master Rel Mode Mask
+ */
#define TSI148_LCSR_VMCTRL_VREL_T_D (0<<3) /* Time on or Done */
#define TSI148_LCSR_VMCTRL_VREL_T_R_D (1<<3) /* Time on and REQ or Done */
#define TSI148_LCSR_VMCTRL_VREL_T_B_D (2<<3) /* Time on and BCLR or Done */
#define TSI148_LCSR_VMCTRL_VREL_T_D_R (3<<3) /* Time on or Done and REQ */
#define TSI148_LCSR_VMCTRL_VFAIR (1<<2) /* VMEbus Master Fair Mode */
-#define TSI148_LCSR_VMCTRL_VREQL_M (3<<0) /* VMEbus Master Req Level Mask */
+#define TSI148_LCSR_VMCTRL_VREQL_M (3<<0) /* VMEbus Master Req Level Mask
+ */
/*
* VMEbus Control Register CRG+$238
#define TSI148_LCSR_VCTRL_DLT_16384 (0xB<<24) /* 16384 VCLKS */
#define TSI148_LCSR_VCTRL_DLT_32768 (0xC<<24) /* 32768 VCLKS */
-#define TSI148_LCSR_VCTRL_NERBB (1<<20) /* No Early Release of Bus Busy */
+#define TSI148_LCSR_VCTRL_NERBB (1<<20) /* No Early Release of Bus Busy
+ */
#define TSI148_LCSR_VCTRL_SRESET (1<<17) /* System Reset */
#define TSI148_LCSR_VCTRL_LRESET (1<<16) /* Local Reset */
#define TSI148_LCSR_VCTRL_ATOEN (1<<7) /* Arbiter Time-out Enable */
#define TSI148_LCSR_VCTRL_ROBIN (1<<6) /* VMEbus Round Robin */
-#define TSI148_LCSR_VCTRL_GTO_M (7<<0) /* VMEbus Global Time-out Mask */
+#define TSI148_LCSR_VCTRL_GTO_M (7<<0) /* VMEbus Global Time-out Mask
+ */
#define TSI148_LCSR_VCTRL_GTO_8 (0<<0) /* 8 us */
#define TSI148_LCSR_VCTRL_GTO_16 (1<<0) /* 16 us */
#define TSI148_LCSR_VCTRL_GTO_32 (2<<0) /* 32 us */
#define TSI148_LCSR_VSTAT_ACFAILS (1<<9) /* AC fail status */
#define TSI148_LCSR_VSTAT_SCONS (1<<8) /* System Cont Status */
#define TSI148_LCSR_VSTAT_GAP (1<<5) /* Geographic Addr Parity */
-#define TSI148_LCSR_VSTAT_GA_M (0x1F<<0) /* Geographic Addr Mask */
+#define TSI148_LCSR_VSTAT_GA_M (0x1F<<0) /* Geographic Addr Mask */
/*
* PCI Configuration Status Register CRG+$240
* DMA Next Link Address Lower
*/
#define TSI148_LCSR_DNLAL_DNLAL_M (0x3FFFFFF<<6) /* Address Mask */
-#define TSI148_LCSR_DNLAL_LLA (1<<0) /* Last Link Address Indicator */
+#define TSI148_LCSR_DNLAL_LLA (1<<0) /* Last Link Address Indicator */
/*
* DMA 2eSST Broadcast Select
#define TSI148_GCSR_GCTRL_MBI0S (1<<0) /* Mail box 0 Int Status */
#define TSI148_GCSR_GAP (1<<5) /* Geographic Addr Parity */
-#define TSI148_GCSR_GA_M (0x1F<<0) /* Geographic Address Mask */
+#define TSI148_GCSR_GA_M (0x1F<<0) /* Geographic Address Mask */
/*
* CR/CSR Register Group
projects / linux-beck.git / commitdiff