Added skeleton of IRQ support on VME bus

[lincan.git] / lincan / include / constants.h

diff --git a/lincan/include/constants.h b/lincan/include/constants.h
index f662a9828b200092a73fa7f68f256ac731d69caf..4e18c7b63b9d0df4514a2e52cf17d193ba943d34 100644 (file)
--- a/lincan/include/constants.h
+++ b/lincan/include/constants.h
@@ -1,23 +1,30 @@
 /* constants.h
  * Header file for the Linux CAN-bus driver.
  * Written by Arnaud Westenberg email:arnaud@wanadoo.nl
+ * Rewritten for new CAN queues by Pavel Pisa - OCERA team member
+ * email:pisa@cmp.felk.cvut.cz
  * This software is released under the GPL-License.
- * Version 0.7  6 Aug 2001
+ * Version lincan-0.2  9 Jul 2003
  */
 
-#ifdef __CONSTANTS_H__
-#else
+#ifndef __CONSTANTS_H__
 #define __CONSTANTS_H__
 
 /* Device name as it will appear in /proc/devices */
 #define DEVICE_NAME "can"
 
+/* Branch of the driver */
+#define CAN_DRV_BRANCH (('L'<<24)|('I'<<16)|('N'<<8)|'C')
+
+/* Version of the driver */
+#define CAN_DRV_VER_MAJOR 0
+#define CAN_DRV_VER_MINOR 2
+#define CAN_DRV_VER_PATCH 1
+#define CAN_DRV_VER ((CAN_DRV_VER_MAJOR<<16) | (CAN_DRV_VER_MINOR<<8) | CAN_DRV_VER_PATCH)
+
 /* Default driver major number, see /usr/src/linux/Documentation/devices.txt */
 #define CAN_MAJOR 91
 
-/* Timeout in jiffies before the system calls return with an error */
-#define CANTIMEOUT (4*HZ)
-
 /* Definition of the maximum number of concurrent supported hardware boards,
  * chips per board, total number of chips, interrupts and message objects.
  * Obviously there are no 32 different interrupts, but each chip can have its
@@ -26,26 +33,57 @@
 #define MAX_HW_CARDS 8
 #define MAX_HW_CHIPS 4
 #define MAX_TOT_CHIPS (MAX_HW_CHIPS*MAX_HW_CARDS)
+#define MAX_TOT_CHIPS_STR 32   /* must be explicit for MODULE_PARM */
 #define MAX_IRQ 32
 #define MAX_MSGOBJS 15
 #define MAX_TOT_MSGOBJS (MAX_TOT_CHIPS*MAX_MSGOBJS)
 #define MAX_BUF_LENGTH 64
+//#define MAX_BUF_LENGTH 4
 
-#define IE (1<<1)
-#define SIE (1<<2)
-#define EIE (1<<3)
-
-#define SPACING 0x3c0
 
 /* These flags can be used for the msgobj_t structure flags data entry */
-#define OPENED (1<<0)
+#define MSGOBJ_OPENED_b                   0
+#define MSGOBJ_TX_REQUEST_b       1
+#define MSGOBJ_TX_LOCK_b           2
+#define MSGOBJ_IRQ_REQUEST_b       3
+#define MSGOBJ_WORKER_WAKE_b       4
+#define MSGOBJ_FILTCH_REQUEST_b    5
+
+#define MSGOBJ_OPENED              (1<<MSGOBJ_OPENED_b)
+#define MSGOBJ_TX_REQUEST          (1<<MSGOBJ_TX_REQUEST_b)
+#define MSGOBJ_TX_LOCK             (1<<MSGOBJ_TX_LOCK_b)
+#define MSGOBJ_IRQ_REQUEST         (1<<MSGOBJ_IRQ_REQUEST_b)
+#define MSGOBJ_WORKER_WAKE         (1<<MSGOBJ_WORKER_WAKE_b)
+#define MSGOBJ_FILTCH_REQUEST      (1<<MSGOBJ_FILTCH_REQUEST_b)
+
+#define can_msgobj_test_fl(obj,obj_fl) \
+  test_bit(MSGOBJ_##obj_fl##_b,&(obj)->obj_flags)
+#define can_msgobj_set_fl(obj,obj_fl) \
+  set_bit(MSGOBJ_##obj_fl##_b,&(obj)->obj_flags)
+#define can_msgobj_clear_fl(obj,obj_fl) \
+  clear_bit(MSGOBJ_##obj_fl##_b,&(obj)->obj_flags)
+#define can_msgobj_test_and_set_fl(obj,obj_fl) \
+  test_and_set_bit(MSGOBJ_##obj_fl##_b,&(obj)->obj_flags)
+#define can_msgobj_test_and_clear_fl(obj,obj_fl) \
+  test_and_clear_bit(MSGOBJ_##obj_fl##_b,&(obj)->obj_flags)
+
 
 /* These flags can be used for the chip_t structure flags data entry */
-#define CONFIGURED (1<<0)
-#define SEGMENTED (1<<1)
+#define CHIP_CONFIGURED  (1<<0)
+#define CHIP_SEGMENTED   (1<<1)
+#define CHIP_IRQ_SETUP   (1<<2)
+#define CHIP_IRQ_PCI     (1<<3)
+#define CHIP_IRQ_VME     (1<<4)
 
 /* These flags can be used for the candevices_t structure flags data entry */
-#define PROGRAMMABLE_IRQ (1<<0)
+#define CANDEV_PROGRAMMABLE_IRQ (1<<0)
+#define CANDEV_IO_RESERVED     (1<<1)
+
+/* Next flags are specific for struct canuser_t applications connection */
+#define CANUSER_RTL_CLIENT      (1<<0)
+#define CANUSER_RTL_MEM         (1<<1)
+#define CANUSER_DIRECT          (1<<2)
+
 
 enum timing_BTR1 {
        MAX_TSEG1 = 15,