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path: root/drivers/net/can/c_can/c_can.h
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Diffstat (limited to 'drivers/net/can/c_can/c_can.h')
-rw-r--r--drivers/net/can/c_can/c_can.h30
1 files changed, 23 insertions, 7 deletions
diff --git a/drivers/net/can/c_can/c_can.h b/drivers/net/can/c_can/c_can.h
index d2e1c21b143..c56f1b1c11c 100644
--- a/drivers/net/can/c_can/c_can.h
+++ b/drivers/net/can/c_can/c_can.h
@@ -22,6 +22,23 @@
#ifndef C_CAN_H
#define C_CAN_H
+/* message object split */
+#define C_CAN_NO_OF_OBJECTS 32
+#define C_CAN_MSG_OBJ_RX_NUM 16
+#define C_CAN_MSG_OBJ_TX_NUM 16
+
+#define C_CAN_MSG_OBJ_RX_FIRST 1
+#define C_CAN_MSG_OBJ_RX_LAST (C_CAN_MSG_OBJ_RX_FIRST + \
+ C_CAN_MSG_OBJ_RX_NUM - 1)
+
+#define C_CAN_MSG_OBJ_TX_FIRST (C_CAN_MSG_OBJ_RX_LAST + 1)
+#define C_CAN_MSG_OBJ_TX_LAST (C_CAN_MSG_OBJ_TX_FIRST + \
+ C_CAN_MSG_OBJ_TX_NUM - 1)
+
+#define C_CAN_MSG_OBJ_RX_SPLIT 9
+#define C_CAN_MSG_RX_LOW_LAST (C_CAN_MSG_OBJ_RX_SPLIT - 1)
+#define RECEIVE_OBJECT_BITS 0x0000ffff
+
enum reg {
C_CAN_CTRL_REG = 0,
C_CAN_CTRL_EX_REG,
@@ -156,22 +173,21 @@ struct c_can_priv {
struct napi_struct napi;
struct net_device *dev;
struct device *device;
- int tx_object;
- int current_status;
+ atomic_t tx_active;
+ unsigned long tx_dir;
int last_status;
u16 (*read_reg) (struct c_can_priv *priv, enum reg index);
void (*write_reg) (struct c_can_priv *priv, enum reg index, u16 val);
void __iomem *base;
const u16 *regs;
- unsigned long irq_flags; /* for request_irq() */
- unsigned int tx_next;
- unsigned int tx_echo;
void *priv; /* for board-specific data */
- u16 irqstatus;
enum c_can_dev_id type;
u32 __iomem *raminit_ctrlreg;
- unsigned int instance;
+ int instance;
void (*raminit) (const struct c_can_priv *priv, bool enable);
+ u32 comm_rcv_high;
+ u32 rxmasked;
+ u32 dlc[C_CAN_MSG_OBJ_TX_NUM];
};
struct net_device *alloc_c_can_dev(void);