+/* Internal inlines for reading/writing DMA buffers. Note that bus
+ size and endianness matter here, whereas they don't for registers,
+ as far as we can tell. */
+/* OpenBSD calls this "SWO". I'd like to think that sonic_buf_put()
+ is a much better name. */
+static inline void sonic_buf_put(void* base, int bitmode,
+ int offset, __u16 val)
+{
+ if (bitmode)
+#ifdef __BIG_ENDIAN
+ ((__u16 *) base + (offset*2))[1] = val;
+#else
+ ((__u16 *) base + (offset*2))[0] = val;
+#endif
+ else
+ ((__u16 *) base)[offset] = val;
+}
+
+static inline __u16 sonic_buf_get(void* base, int bitmode,
+ int offset)
+{
+ if (bitmode)
+#ifdef __BIG_ENDIAN
+ return ((volatile __u16 *) base + (offset*2))[1];
+#else
+ return ((volatile __u16 *) base + (offset*2))[0];
+#endif
+ else
+ return ((volatile __u16 *) base)[offset];
+}
+
+/* Inlines that you should actually use for reading/writing DMA buffers */
+static inline void sonic_cda_put(struct net_device* dev, int entry,
+ int offset, __u16 val)
+{
+ struct sonic_local* lp = (struct sonic_local *) dev->priv;
+ sonic_buf_put(lp->cda, lp->dma_bitmode,
+ (entry * SIZEOF_SONIC_CD) + offset, val);
+}
+
+static inline __u16 sonic_cda_get(struct net_device* dev, int entry,
+ int offset)
+{
+ struct sonic_local* lp = (struct sonic_local *) dev->priv;
+ return sonic_buf_get(lp->cda, lp->dma_bitmode,
+ (entry * SIZEOF_SONIC_CD) + offset);
+}
+
+static inline void sonic_set_cam_enable(struct net_device* dev, __u16 val)
+{
+ struct sonic_local* lp = (struct sonic_local *) dev->priv;
+ sonic_buf_put(lp->cda, lp->dma_bitmode, SONIC_CDA_CAM_ENABLE, val);
+}
+
+static inline __u16 sonic_get_cam_enable(struct net_device* dev)
+{
+ struct sonic_local* lp = (struct sonic_local *) dev->priv;
+ return sonic_buf_get(lp->cda, lp->dma_bitmode, SONIC_CDA_CAM_ENABLE);
+}
+
+static inline void sonic_tda_put(struct net_device* dev, int entry,
+ int offset, __u16 val)
+{
+ struct sonic_local* lp = (struct sonic_local *) dev->priv;
+ sonic_buf_put(lp->tda, lp->dma_bitmode,
+ (entry * SIZEOF_SONIC_TD) + offset, val);
+}
+
+static inline __u16 sonic_tda_get(struct net_device* dev, int entry,
+ int offset)
+{
+ struct sonic_local* lp = (struct sonic_local *) dev->priv;
+ return sonic_buf_get(lp->tda, lp->dma_bitmode,
+ (entry * SIZEOF_SONIC_TD) + offset);
+}
+
+static inline void sonic_rda_put(struct net_device* dev, int entry,
+ int offset, __u16 val)
+{
+ struct sonic_local* lp = (struct sonic_local *) dev->priv;
+ sonic_buf_put(lp->rda, lp->dma_bitmode,
+ (entry * SIZEOF_SONIC_RD) + offset, val);
+}
+
+static inline __u16 sonic_rda_get(struct net_device* dev, int entry,
+ int offset)
+{
+ struct sonic_local* lp = (struct sonic_local *) dev->priv;
+ return sonic_buf_get(lp->rda, lp->dma_bitmode,
+ (entry * SIZEOF_SONIC_RD) + offset);
+}
+
+static inline void sonic_rra_put(struct net_device* dev, int entry,
+ int offset, __u16 val)
+{
+ struct sonic_local* lp = (struct sonic_local *) dev->priv;
+ sonic_buf_put(lp->rra, lp->dma_bitmode,
+ (entry * SIZEOF_SONIC_RR) + offset, val);
+}
+
+static inline __u16 sonic_rra_get(struct net_device* dev, int entry,
+ int offset)
+{
+ struct sonic_local* lp = (struct sonic_local *) dev->priv;
+ return sonic_buf_get(lp->rra, lp->dma_bitmode,
+ (entry * SIZEOF_SONIC_RR) + offset);
+}
+