1 files changed, 69 insertions, 22 deletions

diff --git a/drivers/net/dsa/sja1105/sja1105_ptp.h b/drivers/net/dsa/sja1105/sja1105_ptp.h
index 394e12a6ad59..243f130374d2 100644
--- a/drivers/net/dsa/sja1105/sja1105_ptp.h
+++ b/drivers/net/dsa/sja1105/sja1105_ptp.h
@@ -6,49 +6,88 @@
 
 #if IS_ENABLED(CONFIG_NET_DSA_SJA1105_PTP)
 
-int sja1105_ptp_clock_register(struct sja1105_private *priv);
+/* Timestamps are in units of 8 ns clock ticks (equivalent to
+ * a fixed 125 MHz clock).
+ */
+#define SJA1105_TICK_NS			8
+
+static inline s64 ns_to_sja1105_ticks(s64 ns)
+{
+	return ns / SJA1105_TICK_NS;
+}
+
+static inline s64 sja1105_ticks_to_ns(s64 ticks)
+{
+	return ticks * SJA1105_TICK_NS;
+}
 
-void sja1105_ptp_clock_unregister(struct sja1105_private *priv);
+struct sja1105_ptp_cmd {
+	u64 resptp;		/* reset */
+	u64 corrclk4ts;		/* use the corrected clock for timestamps */
+	u64 ptpclkadd;		/* enum sja1105_ptp_clk_mode */
+};
 
-int sja1105_ptpegr_ts_poll(struct sja1105_private *priv, int port, u64 *ts);
+struct sja1105_ptp_data {
+	struct ptp_clock_info caps;
+	struct ptp_clock *clock;
+	struct sja1105_ptp_cmd cmd;
+	/* Serializes all operations on the PTP hardware clock */
+	struct mutex lock;
+};
 
-int sja1105et_ptp_cmd(const void *ctx, const void *data);
+int sja1105_ptp_clock_register(struct dsa_switch *ds);
 
-int sja1105pqrs_ptp_cmd(const void *ctx, const void *data);
+void sja1105_ptp_clock_unregister(struct dsa_switch *ds);
+
+int sja1105et_ptp_cmd(const struct dsa_switch *ds,
+		      const struct sja1105_ptp_cmd *cmd);
+
+int sja1105pqrs_ptp_cmd(const struct dsa_switch *ds,
+			const struct sja1105_ptp_cmd *cmd);
 
 int sja1105_get_ts_info(struct dsa_switch *ds, int port,
 			struct ethtool_ts_info *ts);
 
-u64 sja1105_tstamp_reconstruct(struct sja1105_private *priv, u64 now,
-			       u64 ts_partial);
+void sja1105_ptp_txtstamp_skb(struct dsa_switch *ds, int slot,
+			      struct sk_buff *clone);
+
+int sja1105_ptp_reset(struct dsa_switch *ds);
+
+bool sja1105_port_rxtstamp(struct dsa_switch *ds, int port,
+			   struct sk_buff *skb, unsigned int type);
+
+bool sja1105_port_txtstamp(struct dsa_switch *ds, int port,
+			   struct sk_buff *skb, unsigned int type);
+
+int sja1105_hwtstamp_get(struct dsa_switch *ds, int port, struct ifreq *ifr);
 
-int sja1105_ptp_reset(struct sja1105_private *priv);
+int sja1105_hwtstamp_set(struct dsa_switch *ds, int port, struct ifreq *ifr);
 
 #else
 
-static inline int sja1105_ptp_clock_register(struct sja1105_private *priv)
-{
-	return 0;
-}
+struct sja1105_ptp_cmd;
 
-static inline void sja1105_ptp_clock_unregister(struct sja1105_private *priv)
-{
-	return;
-}
+/* Structures cannot be empty in C. Bah!
+ * Keep the mutex as the only element, which is a bit more difficult to
+ * refactor out of sja1105_main.c anyway.
+ */
+struct sja1105_ptp_data {
+	struct mutex lock;
+};
 
-static inline int
-sja1105_ptpegr_ts_poll(struct sja1105_private *priv, int port, u64 *ts)
+static inline int sja1105_ptp_clock_register(struct dsa_switch *ds)
 {
 	return 0;
 }
 
-static inline u64 sja1105_tstamp_reconstruct(struct sja1105_private *priv,
-					     u64 now, u64 ts_partial)
+static inline void sja1105_ptp_clock_unregister(struct dsa_switch *ds) { }
+
+static inline void sja1105_ptp_txtstamp_skb(struct dsa_switch *ds, int slot,
+					    struct sk_buff *clone)
 {
-	return 0;
 }
 
-static inline int sja1105_ptp_reset(struct sja1105_private *priv)
+static inline int sja1105_ptp_reset(struct dsa_switch *ds)
 {
 	return 0;
 }
@@ -59,6 +98,14 @@ static inline int sja1105_ptp_reset(struct sja1105_private *priv)
 
 #define sja1105_get_ts_info NULL
 
+#define sja1105_port_rxtstamp NULL
+
+#define sja1105_port_txtstamp NULL
+
+#define sja1105_hwtstamp_get NULL
+
+#define sja1105_hwtstamp_set NULL
+
 #endif /* IS_ENABLED(CONFIG_NET_DSA_SJA1105_PTP) */
 
 #endif /* _SJA1105_PTP_H */