1/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
2/* Copyright 2013-2016 Freescale Semiconductor Inc.
3 * Copyright 2019 NXP
4 */
5#ifndef __FSL_DPMAC_H
6#define __FSL_DPMAC_H
7
8/* Data Path MAC API
9 * Contains initialization APIs and runtime control APIs for DPMAC
10 */
11
12struct fsl_mc_io;
13
14int dpmac_open(struct fsl_mc_io *mc_io,
15	       u32 cmd_flags,
16	       int dpmac_id,
17	       u16 *token);
18
19int dpmac_close(struct fsl_mc_io *mc_io,
20		u32 cmd_flags,
21		u16 token);
22
23/**
24 * enum dpmac_link_type -  DPMAC link type
25 * @DPMAC_LINK_TYPE_NONE: No link
26 * @DPMAC_LINK_TYPE_FIXED: Link is fixed type
27 * @DPMAC_LINK_TYPE_PHY: Link by PHY ID
28 * @DPMAC_LINK_TYPE_BACKPLANE: Backplane link type
29 */
30enum dpmac_link_type {
31	DPMAC_LINK_TYPE_NONE,
32	DPMAC_LINK_TYPE_FIXED,
33	DPMAC_LINK_TYPE_PHY,
34	DPMAC_LINK_TYPE_BACKPLANE
35};
36
37/**
38 * enum dpmac_eth_if - DPMAC Ethrnet interface
39 * @DPMAC_ETH_IF_MII: MII interface
40 * @DPMAC_ETH_IF_RMII: RMII interface
41 * @DPMAC_ETH_IF_SMII: SMII interface
42 * @DPMAC_ETH_IF_GMII: GMII interface
43 * @DPMAC_ETH_IF_RGMII: RGMII interface
44 * @DPMAC_ETH_IF_SGMII: SGMII interface
45 * @DPMAC_ETH_IF_QSGMII: QSGMII interface
46 * @DPMAC_ETH_IF_XAUI: XAUI interface
47 * @DPMAC_ETH_IF_XFI: XFI interface
48 * @DPMAC_ETH_IF_CAUI: CAUI interface
49 * @DPMAC_ETH_IF_1000BASEX: 1000BASEX interface
50 * @DPMAC_ETH_IF_USXGMII: USXGMII interface
51 */
52enum dpmac_eth_if {
53	DPMAC_ETH_IF_MII,
54	DPMAC_ETH_IF_RMII,
55	DPMAC_ETH_IF_SMII,
56	DPMAC_ETH_IF_GMII,
57	DPMAC_ETH_IF_RGMII,
58	DPMAC_ETH_IF_SGMII,
59	DPMAC_ETH_IF_QSGMII,
60	DPMAC_ETH_IF_XAUI,
61	DPMAC_ETH_IF_XFI,
62	DPMAC_ETH_IF_CAUI,
63	DPMAC_ETH_IF_1000BASEX,
64	DPMAC_ETH_IF_USXGMII,
65};
66
67/**
68 * struct dpmac_attr - Structure representing DPMAC attributes
69 * @id:		DPMAC object ID
70 * @max_rate:	Maximum supported rate - in Mbps
71 * @eth_if:	Ethernet interface
72 * @link_type:	link type
73 */
74struct dpmac_attr {
75	u16 id;
76	u32 max_rate;
77	enum dpmac_eth_if eth_if;
78	enum dpmac_link_type link_type;
79};
80
81int dpmac_get_attributes(struct fsl_mc_io *mc_io,
82			 u32 cmd_flags,
83			 u16 token,
84			 struct dpmac_attr *attr);
85
86/**
87 * DPMAC link configuration/state options
88 */
89
90/**
91 * Enable auto-negotiation
92 */
93#define DPMAC_LINK_OPT_AUTONEG			BIT_ULL(0)
94/**
95 * Enable half-duplex mode
96 */
97#define DPMAC_LINK_OPT_HALF_DUPLEX		BIT_ULL(1)
98/**
99 * Enable pause frames
100 */
101#define DPMAC_LINK_OPT_PAUSE			BIT_ULL(2)
102/**
103 * Enable a-symmetric pause frames
104 */
105#define DPMAC_LINK_OPT_ASYM_PAUSE		BIT_ULL(3)
106
107/**
108 * Advertised link speeds
109 */
110#define DPMAC_ADVERTISED_10BASET_FULL		BIT_ULL(0)
111#define DPMAC_ADVERTISED_100BASET_FULL		BIT_ULL(1)
112#define DPMAC_ADVERTISED_1000BASET_FULL		BIT_ULL(2)
113#define DPMAC_ADVERTISED_10000BASET_FULL	BIT_ULL(4)
114#define DPMAC_ADVERTISED_2500BASEX_FULL		BIT_ULL(5)
115
116/**
117 * Advertise auto-negotiation enable
118 */
119#define DPMAC_ADVERTISED_AUTONEG		BIT_ULL(3)
120
121/**
122 * struct dpmac_link_state - DPMAC link configuration request
123 * @rate: Rate in Mbps
124 * @options: Enable/Disable DPMAC link cfg features (bitmap)
125 * @up: Link state
126 * @state_valid: Ignore/Update the state of the link
127 * @supported: Speeds capability of the phy (bitmap)
128 * @advertising: Speeds that are advertised for autoneg (bitmap)
129 */
130struct dpmac_link_state {
131	u32 rate;
132	u64 options;
133	int up;
134	int state_valid;
135	u64 supported;
136	u64 advertising;
137};
138
139int dpmac_set_link_state(struct fsl_mc_io *mc_io,
140			 u32 cmd_flags,
141			 u16 token,
142			 struct dpmac_link_state *link_state);
143
144/**
145 * enum dpmac_counter_id - DPMAC counter types
146 *
147 * @DPMAC_CNT_ING_FRAME_64: counts 64-bytes frames, good or bad.
148 * @DPMAC_CNT_ING_FRAME_127: counts 65- to 127-bytes frames, good or bad.
149 * @DPMAC_CNT_ING_FRAME_255: counts 128- to 255-bytes frames, good or bad.
150 * @DPMAC_CNT_ING_FRAME_511: counts 256- to 511-bytes frames, good or bad.
151 * @DPMAC_CNT_ING_FRAME_1023: counts 512- to 1023-bytes frames, good or bad.
152 * @DPMAC_CNT_ING_FRAME_1518: counts 1024- to 1518-bytes frames, good or bad.
153 * @DPMAC_CNT_ING_FRAME_1519_MAX: counts 1519-bytes frames and larger
154 *				  (up to max frame length specified),
155 *				  good or bad.
156 * @DPMAC_CNT_ING_FRAG: counts frames which are shorter than 64 bytes received
157 *			with a wrong CRC
158 * @DPMAC_CNT_ING_JABBER: counts frames longer than the maximum frame length
159 *			  specified, with a bad frame check sequence.
160 * @DPMAC_CNT_ING_FRAME_DISCARD: counts dropped frames due to internal errors.
161 *				 Occurs when a receive FIFO overflows.
162 *				 Includes also frames truncated as a result of
163 *				 the receive FIFO overflow.
164 * @DPMAC_CNT_ING_ALIGN_ERR: counts frames with an alignment error
165 *			     (optional used for wrong SFD).
166 * @DPMAC_CNT_EGR_UNDERSIZED: counts frames transmitted that was less than 64
167 *			      bytes long with a good CRC.
168 * @DPMAC_CNT_ING_OVERSIZED: counts frames longer than the maximum frame length
169 *			     specified, with a good frame check sequence.
170 * @DPMAC_CNT_ING_VALID_PAUSE_FRAME: counts valid pause frames (regular and PFC)
171 * @DPMAC_CNT_EGR_VALID_PAUSE_FRAME: counts valid pause frames transmitted
172 *				     (regular and PFC).
173 * @DPMAC_CNT_ING_BYTE: counts bytes received except preamble for all valid
174 *			frames and valid pause frames.
175 * @DPMAC_CNT_ING_MCAST_FRAME: counts received multicast frames.
176 * @DPMAC_CNT_ING_BCAST_FRAME: counts received broadcast frames.
177 * @DPMAC_CNT_ING_ALL_FRAME: counts each good or bad frames received.
178 * @DPMAC_CNT_ING_UCAST_FRAME: counts received unicast frames.
179 * @DPMAC_CNT_ING_ERR_FRAME: counts frames received with an error
180 *			     (except for undersized/fragment frame).
181 * @DPMAC_CNT_EGR_BYTE: counts bytes transmitted except preamble for all valid
182 *			frames and valid pause frames transmitted.
183 * @DPMAC_CNT_EGR_MCAST_FRAME: counts transmitted multicast frames.
184 * @DPMAC_CNT_EGR_BCAST_FRAME: counts transmitted broadcast frames.
185 * @DPMAC_CNT_EGR_UCAST_FRAME: counts transmitted unicast frames.
186 * @DPMAC_CNT_EGR_ERR_FRAME: counts frames transmitted with an error.
187 * @DPMAC_CNT_ING_GOOD_FRAME: counts frames received without error, including
188 *			      pause frames.
189 * @DPMAC_CNT_EGR_GOOD_FRAME: counts frames transmitted without error, including
190 *			      pause frames.
191 */
192enum dpmac_counter_id {
193	DPMAC_CNT_ING_FRAME_64,
194	DPMAC_CNT_ING_FRAME_127,
195	DPMAC_CNT_ING_FRAME_255,
196	DPMAC_CNT_ING_FRAME_511,
197	DPMAC_CNT_ING_FRAME_1023,
198	DPMAC_CNT_ING_FRAME_1518,
199	DPMAC_CNT_ING_FRAME_1519_MAX,
200	DPMAC_CNT_ING_FRAG,
201	DPMAC_CNT_ING_JABBER,
202	DPMAC_CNT_ING_FRAME_DISCARD,
203	DPMAC_CNT_ING_ALIGN_ERR,
204	DPMAC_CNT_EGR_UNDERSIZED,
205	DPMAC_CNT_ING_OVERSIZED,
206	DPMAC_CNT_ING_VALID_PAUSE_FRAME,
207	DPMAC_CNT_EGR_VALID_PAUSE_FRAME,
208	DPMAC_CNT_ING_BYTE,
209	DPMAC_CNT_ING_MCAST_FRAME,
210	DPMAC_CNT_ING_BCAST_FRAME,
211	DPMAC_CNT_ING_ALL_FRAME,
212	DPMAC_CNT_ING_UCAST_FRAME,
213	DPMAC_CNT_ING_ERR_FRAME,
214	DPMAC_CNT_EGR_BYTE,
215	DPMAC_CNT_EGR_MCAST_FRAME,
216	DPMAC_CNT_EGR_BCAST_FRAME,
217	DPMAC_CNT_EGR_UCAST_FRAME,
218	DPMAC_CNT_EGR_ERR_FRAME,
219	DPMAC_CNT_ING_GOOD_FRAME,
220	DPMAC_CNT_EGR_GOOD_FRAME
221};
222
223int dpmac_get_counter(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
224		      enum dpmac_counter_id id, u64 *value);
225
226#endif /* __FSL_DPMAC_H */
227