1 files changed, 104 insertions, 0 deletions
diff --git a/drivers/net/realtek-dsa/realtek.h b/drivers/net/realtek-dsa/realtek.h
new file mode 100644
index 0000000000..dbca949462
--- /dev/null
+++ b/drivers/net/realtek-dsa/realtek.h
@@ -0,0 +1,104 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/* Realtek SMI interface driver defines
+ *
+ * Copyright (C) 2017 Linus Walleij <linus.walleij@linaro.org>
+ * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
+ */
+
+#ifndef _REALTEK_H
+#define _REALTEK_H
+
+#include <linux/spinlock.h>
+#include <linux/phy.h>
+#include <driver.h>
+#include <gpio.h>
+#include <dsa.h>
+
+#define REALTEK_HW_STOP_DELAY		25	/* msecs */
+#define REALTEK_HW_START_DELAY		100	/* msecs */
+
+struct realtek_ops;
+
+struct realtek_priv {
+	struct device		*dev;
+	struct gpio_desc	*reset;
+	struct gpio_desc	*mdc;
+	struct gpio_desc	*mdio;
+	union {
+		struct regmap		*map;
+		struct regmap		*map_nolock;
+	};
+	struct mii_bus		slave_mii_bus[1];
+	struct mii_bus		*bus;
+	int			mdio_addr;
+
+	unsigned int		clk_delay;
+	u8			cmd_read;
+	u8			cmd_write;
+	spinlock_t		lock; /* Locks around command writes */
+	struct dsa_switch	*ds;
+	bool			leds_disabled;
+
+	unsigned int		cpu_port;
+	unsigned int		num_ports;
+
+	const struct realtek_ops *ops;
+	int			(*setup_interface)(struct dsa_switch *ds);
+	int			(*write_reg_noack)(void *ctx, u32 addr, u32 data);
+
+	char			buf[4096];
+	void			*chip_data; /* Per-chip extra variant data */
+};
+
+/*
+ * struct realtek_ops - vtable for the per-SMI-chiptype operations
+ * @detect: detects the chiptype
+ */
+struct realtek_ops {
+	int	(*detect)(struct realtek_priv *priv);
+	int	(*reset_chip)(struct realtek_priv *priv);
+	int	(*setup)(struct realtek_priv *priv);
+	void	(*cleanup)(struct realtek_priv *priv);
+	int	(*enable_port)(struct realtek_priv *priv, int port, bool enable);
+	int	(*phy_read)(struct realtek_priv *priv, int phy, int regnum);
+	int	(*phy_write)(struct realtek_priv *priv, int phy, int regnum,
+			     u16 val);
+	enum dsa_tag_protocol (*get_tag_protocol)(struct realtek_priv *priv);
+	int (*change_tag_protocol)(struct realtek_priv *priv,
+				   enum dsa_tag_protocol proto);
+};
+
+struct realtek_variant {
+	const struct dsa_switch_ops *ds_ops;
+	const struct realtek_ops *ops;
+	unsigned int clk_delay;
+	u8 cmd_read;
+	u8 cmd_write;
+	size_t chip_data_sz;
+};
+
+enum dsa_tag_protocol {
+	DSA_TAG_PROTO_RTL4_A		= 17,
+	DSA_TAG_PROTO_RTL8_4		= 24,
+	DSA_TAG_PROTO_RTL8_4T		= 25,
+};
+
+struct dsa_device_ops {
+	int (*xmit)(struct dsa_port *dp, int port, void *packet, int length);
+	int (*rcv)(struct dsa_switch *ds, int *portp, void *packet, int length);
+	unsigned int needed_headroom;
+	unsigned int needed_tailroom;
+	const char *name;
+	enum dsa_tag_protocol proto;
+};
+
+extern const struct realtek_variant rtl8366rb_variant;
+extern const struct realtek_variant rtl8365mb_variant;
+
+int realtek_dsa_init_tagger(struct realtek_priv *priv);
+
+extern const struct dsa_device_ops rtl4a_netdev_ops;
+extern const struct dsa_device_ops rtl8_4_netdev_ops;
+extern const struct dsa_device_ops rtl8_4t_netdev_ops;
+
+#endif /*  _REALTEK_H */