can: c_can: Add and make use of 32-bit accesses functions

[cascardo/linux.git] / drivers / net / can / c_can / c_can.h

diff --git a/drivers/net/can/c_can/c_can.h b/drivers/net/can/c_can/c_can.h
index faa8404..44433e1 100644 (file)
--- a/drivers/net/can/c_can/c_can.h
+++ b/drivers/net/can/c_can/c_can.h
@@ -22,14 +22,6 @@
 #ifndef C_CAN_H
 #define C_CAN_H
 
-/*
- * IFx register masks:
- * allow easy operation on 16-bit registers when the
- * argument is 32-bit instead
- */
-#define IFX_WRITE_LOW_16BIT(x) ((x) & 0xFFFF)
-#define IFX_WRITE_HIGH_16BIT(x)        (((x) & 0xFFFF0000) >> 16)
-
 /* message object split */
 #define C_CAN_NO_OF_OBJECTS    32
 #define C_CAN_MSG_OBJ_RX_NUM   16
@@ -45,8 +37,6 @@
 
 #define C_CAN_MSG_OBJ_RX_SPLIT 9
 #define C_CAN_MSG_RX_LOW_LAST  (C_CAN_MSG_OBJ_RX_SPLIT - 1)
-
-#define C_CAN_NEXT_MSG_OBJ_MASK        (C_CAN_MSG_OBJ_TX_NUM - 1)
 #define RECEIVE_OBJECT_BITS    0x0000ffff
 
 enum reg {
@@ -183,23 +173,22 @@ struct c_can_priv {
        struct napi_struct napi;
        struct net_device *dev;
        struct device *device;
-       spinlock_t xmit_lock;
-       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);
+       u16 (*read_reg) (const struct c_can_priv *priv, enum reg index);
+       void (*write_reg) (const struct c_can_priv *priv, enum reg index, u16 val);
+       u32 (*read_reg32) (const struct c_can_priv *priv, enum reg index);
+       void (*write_reg32) (const struct c_can_priv *priv, enum reg index, u32 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];
 };