SJA1000 driver interrupts processing modified to not rely on interrupt register for...

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

diff --git a/lincan/include/constants.h b/lincan/include/constants.h
index 8a918baca03cd5dae1d7cd825ea1c475ef4b9d80..b777cade5b5659b217b0dbe42313e65673948812 100644 (file)
--- a/lincan/include/constants.h
+++ b/lincan/include/constants.h
@@ -4,7 +4,7 @@
  * 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 lincan-0.2  9 Jul 2003
+ * Version lincan-0.3  17 Jun 2004
  */
 
 #ifndef __CONSTANTS_H__
@@ -13,8 +13,14 @@
 /* Device name as it will appear in /proc/devices */
 #define DEVICE_NAME "can"
 
-/* Version of the driver reported by */
+/* 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 3
+#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
@@ -29,7 +35,7 @@
 #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_MSGOBJS 32
 #define MAX_TOT_MSGOBJS (MAX_TOT_CHIPS*MAX_MSGOBJS)
 #define MAX_BUF_LENGTH 64
 //#define MAX_BUF_LENGTH 4
@@ -41,12 +47,20 @@
 #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_RX_MODE_b           6
+#define MSGOBJ_RX_MODE_EXT_b       7
+#define MSGOBJ_TX_PENDING_b        8
 
 #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 MSGOBJ_RX_MODE             (1<<MSGOBJ_RX_MODE_b)
+#define MSGOBJ_RX_MODE_EXT         (1<<MSGOBJ_RX_MODE_EXT_b)
+#define MSGOBJ_TX_PENDING          (1<<MSGOBJ_TX_PENDING_b)
 
 #define can_msgobj_test_fl(obj,obj_fl) \
   test_bit(MSGOBJ_##obj_fl##_b,&(obj)->obj_flags)
@@ -60,11 +74,23 @@
   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 CHIP_CONFIGURED  (1<<0)
-#define CHIP_SEGMENTED   (1<<1)
-#define CHIP_IRQ_SETUP   (1<<2)
-#define CHIP_IRQ_PCI     (1<<3)
+/* These flags can be used for the canchip_t structure flags data entry */
+#define CHIP_ATTACHED    (1<<0)  /* chip is attached to HW, release_chip() has to be called */
+#define CHIP_CONFIGURED  (1<<1)  /* chip is configured and prepared for communication */
+#define CHIP_SEGMENTED   (1<<2)  /* segmented access, ex: i82527 with 16 byte window*/
+#define CHIP_IRQ_SETUP   (1<<3)  /* IRQ handler has been set */
+#define CHIP_IRQ_PCI     (1<<4)  /* chip is on PCI board and uses PCI interrupt  */
+#define CHIP_IRQ_VME     (1<<5)  /* interrupt is VME bus and requires VME bridge */
+#define CHIP_IRQ_CUSTOM  (1<<6)  /* custom interrupt provided by board or chip code */
+#define CHIP_IRQ_FAST    (1<<7)  /* interrupt handler only schedules postponed processing */
+
+#define CHIP_MAX_IRQLOOP 1000
+
+/* System independent defines of IRQ handled state */
+#define CANCHIP_IRQ_NONE     0
+#define CANCHIP_IRQ_HANDLED  1
+#define CANCHIP_IRQ_ACCEPTED 2
+#define CANCHIP_IRQ_STUCK    3
 
 /* These flags can be used for the candevices_t structure flags data entry */
 #define CANDEV_PROGRAMMABLE_IRQ (1<<0)