1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * This file is based on code from OCTEON SDK by Cavium Networks.
4 *
5 * Copyright (c) 2003-2010 Cavium Networks
6 */
7
8/*
9 * External interface for the Cavium Octeon ethernet driver.
10 */
11#ifndef OCTEON_ETHERNET_H
12#define OCTEON_ETHERNET_H
13
14#include <linux/of.h>
15#include <linux/phy.h>
16
17#ifdef CONFIG_CAVIUM_OCTEON_SOC
18
19#include <asm/octeon/octeon.h>
20
21#include <asm/octeon/cvmx-asxx-defs.h>
22#include <asm/octeon/cvmx-config.h>
23#include <asm/octeon/cvmx-fau.h>
24#include <asm/octeon/cvmx-gmxx-defs.h>
25#include <asm/octeon/cvmx-helper.h>
26#include <asm/octeon/cvmx-helper-util.h>
27#include <asm/octeon/cvmx-ipd.h>
28#include <asm/octeon/cvmx-ipd-defs.h>
29#include <asm/octeon/cvmx-npi-defs.h>
30#include <asm/octeon/cvmx-pip.h>
31#include <asm/octeon/cvmx-pko.h>
32#include <asm/octeon/cvmx-pow.h>
33#include <asm/octeon/cvmx-scratch.h>
34#include <asm/octeon/cvmx-spi.h>
35#include <asm/octeon/cvmx-spxx-defs.h>
36#include <asm/octeon/cvmx-stxx-defs.h>
37#include <asm/octeon/cvmx-wqe.h>
38
39#else
40
41#include "octeon-stubs.h"
42
43#endif
44
45/**
46 * This is the definition of the Ethernet driver's private
47 * driver state stored in netdev_priv(dev).
48 */
49struct octeon_ethernet {
50	/* PKO hardware output port */
51	int port;
52	/* PKO hardware queue for the port */
53	int queue;
54	/* Hardware fetch and add to count outstanding tx buffers */
55	int fau;
56	/* My netdev. */
57	struct net_device *netdev;
58	/*
59	 * Type of port. This is one of the enums in
60	 * cvmx_helper_interface_mode_t
61	 */
62	int imode;
63	/* PHY mode */
64	phy_interface_t phy_mode;
65	/* List of outstanding tx buffers per queue */
66	struct sk_buff_head tx_free_list[16];
67	unsigned int last_speed;
68	unsigned int last_link;
69	/* Last negotiated link state */
70	u64 link_info;
71	/* Called periodically to check link status */
72	void (*poll)(struct net_device *dev);
73	struct delayed_work	port_periodic_work;
74	struct device_node	*of_node;
75};
76
77int cvm_oct_free_work(void *work_queue_entry);
78
79int cvm_oct_rgmii_open(struct net_device *dev);
80
81int cvm_oct_sgmii_init(struct net_device *dev);
82int cvm_oct_sgmii_open(struct net_device *dev);
83
84int cvm_oct_spi_init(struct net_device *dev);
85void cvm_oct_spi_uninit(struct net_device *dev);
86
87int cvm_oct_common_init(struct net_device *dev);
88void cvm_oct_common_uninit(struct net_device *dev);
89void cvm_oct_adjust_link(struct net_device *dev);
90int cvm_oct_common_stop(struct net_device *dev);
91int cvm_oct_common_open(struct net_device *dev,
92			void (*link_poll)(struct net_device *));
93void cvm_oct_note_carrier(struct octeon_ethernet *priv,
94			  union cvmx_helper_link_info li);
95void cvm_oct_link_poll(struct net_device *dev);
96
97extern int always_use_pow;
98extern int pow_send_group;
99extern int pow_receive_groups;
100extern char pow_send_list[];
101extern struct net_device *cvm_oct_device[];
102extern atomic_t cvm_oct_poll_queue_stopping;
103extern u64 cvm_oct_tx_poll_interval;
104
105extern int rx_napi_weight;
106
107#endif
108