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Diffstat (limited to 'drivers/staging/cpc-usb/cpc_int.h')
-rw-r--r--drivers/staging/cpc-usb/cpc_int.h83
1 files changed, 83 insertions, 0 deletions
diff --git a/drivers/staging/cpc-usb/cpc_int.h b/drivers/staging/cpc-usb/cpc_int.h
new file mode 100644
index 000000000000..a0d60c080819
--- /dev/null
+++ b/drivers/staging/cpc-usb/cpc_int.h
@@ -0,0 +1,83 @@
+/*
+ * CPCLIB
+ *
+ * Copyright (C) 2000-2008 EMS Dr. Thomas Wuensche
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ */
+#ifndef CPC_INT_H
+#define CPC_INT_H
+
+#include <linux/wait.h>
+
+#define CPC_MSG_BUF_CNT 1500
+
+#define CPC_PROC_DIR "driver/"
+
+#undef dbg
+#undef err
+#undef info
+
+/* Use our own dbg macro */
+#define dbg(format, arg...) do { if (debug) printk( KERN_INFO format "\n" , ## arg); } while (0)
+#define err(format, arg...) do { printk( KERN_INFO "ERROR " format "\n" , ## arg); } while (0)
+#define info(format, arg...) do { printk( KERN_INFO format "\n" , ## arg); } while (0)
+
+/* Macros help using of our buffers */
+#define IsBufferFull(x) (!(x)->WnR) && ((x)->iidx == (x)->oidx)
+#define IsBufferEmpty(x) ((x)->WnR) && ((x)->iidx == (x)->oidx)
+#define IsBufferNotEmpty(x) (!(x)->WnR) || ((x)->iidx != (x)->oidx)
+#define ResetBuffer(x) do { (x)->oidx = (x)->iidx=0; (x)->WnR = 1; } while(0);
+
+#define CPC_BufWriteAllowed ((chan->oidx != chan->iidx) || chan->WnR)
+
+typedef void (*chan_write_byte_t) (void *chan, unsigned int reg,
+ unsigned char val);
+typedef unsigned char (*chan_read_byte_t) (void *chan, unsigned int reg);
+
+typedef struct CPC_CHAN {
+ void __iomem * canBase; // base address of SJA1000
+ chan_read_byte_t read_byte; // CAN controller read access routine
+ chan_write_byte_t write_byte; // CAN controller write access routine
+ CPC_MSG_T *buf; // buffer for CPC msg
+ unsigned int iidx;
+ unsigned int oidx;
+ unsigned int WnR;
+ unsigned int minor;
+ unsigned int locked;
+ unsigned int irqDisabled;
+
+ unsigned char cpcCtrlCANMessage;
+ unsigned char cpcCtrlCANState;
+ unsigned char cpcCtrlBUSState;
+
+ unsigned char controllerType;
+
+ unsigned long ovrTimeSec;
+ unsigned long ovrTimeNSec;
+ unsigned long ovrLockedBuffer;
+ CPC_OVERRUN_T ovr;
+
+ /* for debugging only */
+ unsigned int handledIrqs;
+ unsigned int lostMessages;
+
+ unsigned int sentStdCan;
+ unsigned int sentExtCan;
+ unsigned int sentStdRtr;
+ unsigned int sentExtRtr;
+
+ unsigned int recvStdCan;
+ unsigned int recvExtCan;
+ unsigned int recvStdRtr;
+ unsigned int recvExtRtr;
+
+ wait_queue_head_t *CPCWait_q;
+
+ void *private;
+} CPC_CHAN_T;
+
+#endif