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/*
 * 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 */