xref: /freebsd/sys/dev/dpaa2/dpaa2_mac.h (revision ecaeac805b044f715c98960a8fbf19fe2b76ae6b)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright © 2021-2022 Dmitry Salychev
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  */
27 
28 #ifndef	_DPAA2_MAC_H
29 #define	_DPAA2_MAC_H
30 
31 #include <sys/rman.h>
32 #include <sys/bus.h>
33 #include <sys/queue.h>
34 
35 #include <net/ethernet.h>
36 
37 #include "dpaa2_types.h"
38 #include "dpaa2_mcp.h"
39 
40 #define DPAA2_MAC_MAX_RESOURCES	1  /* Maximum resources per DPMAC: 1 DPMCP. */
41 #define DPAA2_MAC_MSI_COUNT	1  /* MSIs per DPMAC */
42 
43 /* DPMAC link configuration options. */
44 #define DPAA2_MAC_LINK_OPT_AUTONEG	((uint64_t) 0x01u)
45 #define DPAA2_MAC_LINK_OPT_HALF_DUPLEX	((uint64_t) 0x02u)
46 #define DPAA2_MAC_LINK_OPT_PAUSE	((uint64_t) 0x04u)
47 #define DPAA2_MAC_LINK_OPT_ASYM_PAUSE	((uint64_t) 0x08u)
48 
49 enum dpaa2_mac_eth_if {
50 	DPAA2_MAC_ETH_IF_MII,
51 	DPAA2_MAC_ETH_IF_RMII,
52 	DPAA2_MAC_ETH_IF_SMII,
53 	DPAA2_MAC_ETH_IF_GMII,
54 	DPAA2_MAC_ETH_IF_RGMII,
55 	DPAA2_MAC_ETH_IF_SGMII,
56 	DPAA2_MAC_ETH_IF_QSGMII,
57 	DPAA2_MAC_ETH_IF_XAUI,
58 	DPAA2_MAC_ETH_IF_XFI,
59 	DPAA2_MAC_ETH_IF_CAUI,
60 	DPAA2_MAC_ETH_IF_1000BASEX,
61 	DPAA2_MAC_ETH_IF_USXGMII
62 };
63 
64 enum dpaa2_mac_link_type {
65 	DPAA2_MAC_LINK_TYPE_NONE,
66 	DPAA2_MAC_LINK_TYPE_FIXED,
67 	DPAA2_MAC_LINK_TYPE_PHY,
68 	DPAA2_MAC_LINK_TYPE_BACKPLANE
69 };
70 
71 /**
72  * @brief Attributes of the DPMAC object.
73  *
74  * id:		DPMAC object ID.
75  * max_rate:	Maximum supported rate (in Mbps).
76  * eth_if:	Type of the Ethernet interface.
77  * link_type:	Type of the link.
78  */
79 struct dpaa2_mac_attr {
80 	uint32_t		 id;
81 	uint32_t		 max_rate;
82 	enum dpaa2_mac_eth_if	 eth_if;
83 	enum dpaa2_mac_link_type link_type;
84 };
85 
86 /**
87  * @brief Link state of the DPMAC object.
88  */
89 struct dpaa2_mac_link_state {
90 	uint64_t		 options;
91 	uint64_t		 supported;
92 	uint64_t		 advert;
93 	uint32_t		 rate;
94 	bool			 up;
95 	bool			 state_valid;
96 };
97 
98 /**
99  * @brief Software context for the DPAA2 MAC driver.
100  *
101  * dev:		Device associated with this software context.
102  * addr:	Physical address assigned to the DPMAC object.
103  * attr:	Attributes of the DPMAC object.
104  */
105 struct dpaa2_mac_softc {
106 	device_t		 dev;
107 	uint8_t			 addr[ETHER_ADDR_LEN];
108 	struct resource 	*res[DPAA2_MAC_MAX_RESOURCES];
109 	struct dpaa2_mac_attr	 attr;
110 
111 	/* Help to send commands to MC. */
112 	struct dpaa2_cmd	*cmd;
113 	uint16_t		 rc_token;
114 	uint16_t		 mac_token;
115 
116 	/* Interrupts. */
117 	int			 irq_rid[DPAA2_MAC_MSI_COUNT];
118 	struct resource		*irq_res;
119 	void			*intr; /* interrupt handle */
120 };
121 
122 extern struct resource_spec dpaa2_mac_spec[];
123 
124 #endif /* _DPAA2_MAC_H */
125