text: /*
   * Realtek RTL8366 SMI interface driver defines
   *
   * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 as published
   * by the Free Software Foundation.
   */
  
  #ifndef _RTL8366_SMI_H
  #define _RTL8366_SMI_H
  
  #include <linux/phy.h>
  #include <linux/switch.h>
  #include <linux/platform_device.h>
  #include <linux/reset.h>
  
  struct rtl8366_smi_ops;
  struct rtl8366_vlan_ops;
  struct mii_bus;
  struct dentry;
  struct inode;
  struct file;
  
  struct rtl8366_mib_counter {
  	unsigned	base;
  	unsigned	offset;
  	unsigned	length;
  	const char	*name;
  };
  
  struct rtl8366_smi {
  	struct device		*parent;
  	unsigned int		gpio_sda;
  	unsigned int		gpio_sck;
  	void			(*hw_reset)(struct rtl8366_smi *smi, bool active);
  	unsigned int		clk_delay;	/* ns */
  	u8			cmd_read;
  	u8			cmd_write;
  	spinlock_t		lock;
  	struct mii_bus		*mii_bus;
  	int			mii_irq[PHY_MAX_ADDR];
  	struct switch_dev	sw_dev;
  
  	unsigned int		cpu_port;
  	unsigned int		num_ports;
  	unsigned int		num_vlan_mc;
  	unsigned int		num_mib_counters;
  	struct rtl8366_mib_counter *mib_counters;
  
  	struct rtl8366_smi_ops	*ops;
  
  	int			vlan_enabled;
  	int			vlan4k_enabled;
  
  	char			buf[4096];
  
  	struct reset_control	*reset;
  
  #ifdef CONFIG_RTL8366_SMI_DEBUG_FS
  	struct dentry           *debugfs_root;
  	u16			dbg_reg;
  	u8			dbg_vlan_4k_page;
  #endif
  	struct mii_bus		*ext_mbus;
  };
  
  struct rtl8366_vlan_mc {
  	u16	vid;
  	u16	untag;
  	u16	member;
  	u8	fid;
  	u8	priority;
  };
  
  struct rtl8366_vlan_4k {
  	u16	vid;
  	u16	untag;
  	u16	member;
  	u8	fid;
  };
  
  struct rtl8366_smi_ops {
  	int	(*detect)(struct rtl8366_smi *smi);
  	int	(*reset_chip)(struct rtl8366_smi *smi);
  	int	(*setup)(struct rtl8366_smi *smi);
  
  	int	(*mii_read)(struct mii_bus *bus, int addr, int reg);
  	int	(*mii_write)(struct mii_bus *bus, int addr, int reg, u16 val);
  
  	int	(*get_vlan_mc)(struct rtl8366_smi *smi, u32 index,
  			       struct rtl8366_vlan_mc *vlanmc);
  	int	(*set_vlan_mc)(struct rtl8366_smi *smi, u32 index,
  			       const struct rtl8366_vlan_mc *vlanmc);
  	int	(*get_vlan_4k)(struct rtl8366_smi *smi, u32 vid,
  			       struct rtl8366_vlan_4k *vlan4k);
  	int	(*set_vlan_4k)(struct rtl8366_smi *smi,
  			       const struct rtl8366_vlan_4k *vlan4k);
  	int	(*get_mc_index)(struct rtl8366_smi *smi, int port, int *val);
  	int	(*set_mc_index)(struct rtl8366_smi *smi, int port, int index);
  	int	(*get_mib_counter)(struct rtl8366_smi *smi, int counter,
  				   int port, unsigned long long *val);
  	int	(*is_vlan_valid)(struct rtl8366_smi *smi, unsigned vlan);
  	int	(*enable_vlan)(struct rtl8366_smi *smi, int enable);
  	int	(*enable_vlan4k)(struct rtl8366_smi *smi, int enable);
  	int	(*enable_port)(struct rtl8366_smi *smi, int port, int enable);
  };
  
  struct rtl8366_smi *rtl8366_smi_alloc(struct device *parent);
  int rtl8366_smi_init(struct rtl8366_smi *smi);
  void rtl8366_smi_cleanup(struct rtl8366_smi *smi);
  int rtl8366_smi_write_reg(struct rtl8366_smi *smi, u32 addr, u32 data);
  int rtl8366_smi_write_reg_noack(struct rtl8366_smi *smi, u32 addr, u32 data);
  int rtl8366_smi_read_reg(struct rtl8366_smi *smi, u32 addr, u32 *data);
  int rtl8366_smi_rmwr(struct rtl8366_smi *smi, u32 addr, u32 mask, u32 data);
  
  int rtl8366_reset_vlan(struct rtl8366_smi *smi);
  int rtl8366_enable_vlan(struct rtl8366_smi *smi, int enable);
  int rtl8366_enable_all_ports(struct rtl8366_smi *smi, int enable);
  
  #ifdef CONFIG_RTL8366_SMI_DEBUG_FS
  int rtl8366_debugfs_open(struct inode *inode, struct file *file);
  #endif
  
  static inline struct rtl8366_smi *sw_to_rtl8366_smi(struct switch_dev *sw)
  {
  	return container_of(sw, struct rtl8366_smi, sw_dev);
  }
  
  int rtl8366_sw_reset_switch(struct switch_dev *dev);
  int rtl8366_sw_get_port_pvid(struct switch_dev *dev, int port, int *val);
  int rtl8366_sw_set_port_pvid(struct switch_dev *dev, int port, int val);
  int rtl8366_sw_get_port_mib(struct switch_dev *dev,
  			    const struct switch_attr *attr,
  			    struct switch_val *val);
  int rtl8366_sw_get_vlan_info(struct switch_dev *dev,
  			     const struct switch_attr *attr,
  			     struct switch_val *val);
  int rtl8366_sw_get_vlan_fid(struct switch_dev *dev,
  			     const struct switch_attr *attr,
  			     struct switch_val *val);
  int rtl8366_sw_set_vlan_fid(struct switch_dev *dev,
  			     const struct switch_attr *attr,
  			     struct switch_val *val);
  int rtl8366_sw_get_vlan_ports(struct switch_dev *dev, struct switch_val *val);
  int rtl8366_sw_set_vlan_ports(struct switch_dev *dev, struct switch_val *val);
  int rtl8366_sw_get_vlan_enable(struct switch_dev *dev,
  			       const struct switch_attr *attr,
  			       struct switch_val *val);
  int rtl8366_sw_set_vlan_enable(struct switch_dev *dev,
  			       const struct switch_attr *attr,
  			       struct switch_val *val);
  int rtl8366_sw_get_port_stats(struct switch_dev *dev, int port,
  				struct switch_port_stats *stats,
  				int txb_id, int rxb_id);
  
  struct rtl8366_smi* rtl8366_smi_probe(struct platform_device *pdev);
  
  #endif /*  _RTL8366_SMI_H */
  