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

[pandora-kernel.git] / drivers / staging / vme / bridges / vme_tsi148.h

diff --git a/drivers/staging/vme/bridges/vme_tsi148.h b/drivers/staging/vme/bridges/vme_tsi148.h
index 6f0f705..9e5f7fa 100644 (file)
--- a/drivers/staging/vme/bridges/vme_tsi148.h
+++ b/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
  *