1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * Marvell 88E6xxx SERDES manipulation, via SMI bus
4 *
5 * Copyright (c) 2008 Marvell Semiconductor
6 *
7 * Copyright (c) 2016 Andrew Lunn <andrew@lunn.ch>
8 */
9
10 #ifndef _MV88E6XXX_SERDES_H
11 #define _MV88E6XXX_SERDES_H
12
13 #include "chip.h"
14
15 #define MV88E6352_ADDR_SERDES 0x0f
16 #define MV88E6352_SERDES_PAGE_FIBER 0x01
17 #define MV88E6352_SERDES_IRQ 0x0b
18 #define MV88E6352_SERDES_INT_ENABLE 0x12
19 #define MV88E6352_SERDES_INT_SPEED_CHANGE BIT(14)
20 #define MV88E6352_SERDES_INT_DUPLEX_CHANGE BIT(13)
21 #define MV88E6352_SERDES_INT_PAGE_RX BIT(12)
22 #define MV88E6352_SERDES_INT_AN_COMPLETE BIT(11)
23 #define MV88E6352_SERDES_INT_LINK_CHANGE BIT(10)
24 #define MV88E6352_SERDES_INT_SYMBOL_ERROR BIT(9)
25 #define MV88E6352_SERDES_INT_FALSE_CARRIER BIT(8)
26 #define MV88E6352_SERDES_INT_FIFO_OVER_UNDER BIT(7)
27 #define MV88E6352_SERDES_INT_FIBRE_ENERGY BIT(4)
28 #define MV88E6352_SERDES_INT_STATUS 0x13
29
30 #define MV88E6352_SERDES_SPEC_CTRL2 0x1a
31 #define MV88E6352_SERDES_OUT_AMP_MASK 0x0007
32
33 #define MV88E6341_PORT5_LANE 0x15
34
35 #define MV88E6390_PORT9_LANE0 0x09
36 #define MV88E6390_PORT9_LANE1 0x12
37 #define MV88E6390_PORT9_LANE2 0x13
38 #define MV88E6390_PORT9_LANE3 0x14
39 #define MV88E6390_PORT10_LANE0 0x0a
40 #define MV88E6390_PORT10_LANE1 0x15
41 #define MV88E6390_PORT10_LANE2 0x16
42 #define MV88E6390_PORT10_LANE3 0x17
43
44 /* 10GBASE-R and 10GBASE-X4/X2 */
45 #define MV88E6390_10G_CTRL1 (0x1000 + MDIO_CTRL1)
46 #define MV88E6390_10G_STAT1 (0x1000 + MDIO_STAT1)
47 #define MV88E6393X_10G_INT_ENABLE 0x9000
48 #define MV88E6393X_10G_INT_LINK_CHANGE BIT(2)
49 #define MV88E6393X_10G_INT_STATUS 0x9001
50
51 /* 1000BASE-X and SGMII */
52 #define MV88E6390_SGMII_BMCR (0x2000 + MII_BMCR)
53 #define MV88E6390_SGMII_BMSR (0x2000 + MII_BMSR)
54 #define MV88E6390_SGMII_ADVERTISE (0x2000 + MII_ADVERTISE)
55 #define MV88E6390_SGMII_LPA (0x2000 + MII_LPA)
56 #define MV88E6390_SGMII_INT_ENABLE 0xa001
57 #define MV88E6390_SGMII_INT_SPEED_CHANGE BIT(14)
58 #define MV88E6390_SGMII_INT_DUPLEX_CHANGE BIT(13)
59 #define MV88E6390_SGMII_INT_PAGE_RX BIT(12)
60 #define MV88E6390_SGMII_INT_AN_COMPLETE BIT(11)
61 #define MV88E6390_SGMII_INT_LINK_DOWN BIT(10)
62 #define MV88E6390_SGMII_INT_LINK_UP BIT(9)
63 #define MV88E6390_SGMII_INT_SYMBOL_ERROR BIT(8)
64 #define MV88E6390_SGMII_INT_FALSE_CARRIER BIT(7)
65 #define MV88E6390_SGMII_INT_STATUS 0xa002
66 #define MV88E6390_SGMII_PHY_STATUS 0xa003
67 #define MV88E6390_SGMII_PHY_STATUS_SPEED_MASK GENMASK(15, 14)
68 #define MV88E6390_SGMII_PHY_STATUS_SPEED_1000 0x8000
69 #define MV88E6390_SGMII_PHY_STATUS_SPEED_100 0x4000
70 #define MV88E6390_SGMII_PHY_STATUS_SPEED_10 0x0000
71 #define MV88E6390_SGMII_PHY_STATUS_DUPLEX_FULL BIT(13)
72 #define MV88E6390_SGMII_PHY_STATUS_SPD_DPL_VALID BIT(11)
73 #define MV88E6390_SGMII_PHY_STATUS_LINK BIT(10)
74 #define MV88E6390_SGMII_PHY_STATUS_TX_PAUSE BIT(3)
75 #define MV88E6390_SGMII_PHY_STATUS_RX_PAUSE BIT(2)
76
77 /* Packet generator pad packet checker */
78 #define MV88E6390_PG_CONTROL 0xf010
79 #define MV88E6390_PG_CONTROL_ENABLE_PC BIT(0)
80
81 #define MV88E6393X_PORT0_LANE 0x00
82 #define MV88E6393X_PORT9_LANE 0x09
83 #define MV88E6393X_PORT10_LANE 0x0a
84
85 /* Port Operational Configuration */
86 #define MV88E6393X_SERDES_POC 0xf002
87 #define MV88E6393X_SERDES_POC_PCS_1000BASEX 0x0000
88 #define MV88E6393X_SERDES_POC_PCS_2500BASEX 0x0001
89 #define MV88E6393X_SERDES_POC_PCS_SGMII_PHY 0x0002
90 #define MV88E6393X_SERDES_POC_PCS_SGMII_MAC 0x0003
91 #define MV88E6393X_SERDES_POC_PCS_5GBASER 0x0004
92 #define MV88E6393X_SERDES_POC_PCS_10GBASER 0x0005
93 #define MV88E6393X_SERDES_POC_PCS_USXGMII_PHY 0x0006
94 #define MV88E6393X_SERDES_POC_PCS_USXGMII_MAC 0x0007
95 #define MV88E6393X_SERDES_POC_PCS_MASK 0x0007
96 #define MV88E6393X_SERDES_POC_RESET BIT(15)
97 #define MV88E6393X_SERDES_POC_PDOWN BIT(5)
98 #define MV88E6393X_SERDES_POC_AN BIT(3)
99 #define MV88E6393X_SERDES_CTRL1 0xf003
100 #define MV88E6393X_SERDES_CTRL1_TX_PDOWN BIT(9)
101 #define MV88E6393X_SERDES_CTRL1_RX_PDOWN BIT(8)
102
103 #define MV88E6393X_ERRATA_4_8_REG 0xF074
104 #define MV88E6393X_ERRATA_4_8_BIT BIT(14)
105
106 int mv88e6185_serdes_get_lane(struct mv88e6xxx_chip *chip, int port);
107 int mv88e6341_serdes_get_lane(struct mv88e6xxx_chip *chip, int port);
108 int mv88e6352_serdes_get_lane(struct mv88e6xxx_chip *chip, int port);
109 int mv88e6390_serdes_get_lane(struct mv88e6xxx_chip *chip, int port);
110 int mv88e6390x_serdes_get_lane(struct mv88e6xxx_chip *chip, int port);
111 int mv88e6393x_serdes_get_lane(struct mv88e6xxx_chip *chip, int port);
112 int mv88e6352_serdes_pcs_config(struct mv88e6xxx_chip *chip, int port,
113 int lane, unsigned int mode,
114 phy_interface_t interface,
115 const unsigned long *advertise);
116 int mv88e6390_serdes_pcs_config(struct mv88e6xxx_chip *chip, int port,
117 int lane, unsigned int mode,
118 phy_interface_t interface,
119 const unsigned long *advertise);
120 int mv88e6185_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port,
121 int lane, struct phylink_link_state *state);
122 int mv88e6352_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port,
123 int lane, struct phylink_link_state *state);
124 int mv88e6390_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port,
125 int lane, struct phylink_link_state *state);
126 int mv88e6393x_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port,
127 int lane, struct phylink_link_state *state);
128 int mv88e6352_serdes_pcs_an_restart(struct mv88e6xxx_chip *chip, int port,
129 int lane);
130 int mv88e6390_serdes_pcs_an_restart(struct mv88e6xxx_chip *chip, int port,
131 int lane);
132 int mv88e6352_serdes_pcs_link_up(struct mv88e6xxx_chip *chip, int port,
133 int lane, int speed, int duplex);
134 int mv88e6390_serdes_pcs_link_up(struct mv88e6xxx_chip *chip, int port,
135 int lane, int speed, int duplex);
136 unsigned int mv88e6352_serdes_irq_mapping(struct mv88e6xxx_chip *chip,
137 int port);
138 unsigned int mv88e6390_serdes_irq_mapping(struct mv88e6xxx_chip *chip,
139 int port);
140 int mv88e6185_serdes_power(struct mv88e6xxx_chip *chip, int port, int lane,
141 bool up);
142 int mv88e6352_serdes_power(struct mv88e6xxx_chip *chip, int port, int lane,
143 bool on);
144 int mv88e6390_serdes_power(struct mv88e6xxx_chip *chip, int port, int lane,
145 bool on);
146 int mv88e6393x_serdes_power(struct mv88e6xxx_chip *chip, int port, int lane,
147 bool on);
148 int mv88e6393x_serdes_setup_errata(struct mv88e6xxx_chip *chip);
149 int mv88e6097_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, int lane,
150 bool enable);
151 int mv88e6352_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, int lane,
152 bool enable);
153 int mv88e6390_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, int lane,
154 bool enable);
155 int mv88e6393x_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port,
156 int lane, bool enable);
157 irqreturn_t mv88e6097_serdes_irq_status(struct mv88e6xxx_chip *chip, int port,
158 int lane);
159 irqreturn_t mv88e6352_serdes_irq_status(struct mv88e6xxx_chip *chip, int port,
160 int lane);
161 irqreturn_t mv88e6390_serdes_irq_status(struct mv88e6xxx_chip *chip, int port,
162 int lane);
163 irqreturn_t mv88e6393x_serdes_irq_status(struct mv88e6xxx_chip *chip, int port,
164 int lane);
165 int mv88e6352_serdes_get_sset_count(struct mv88e6xxx_chip *chip, int port);
166 int mv88e6352_serdes_get_strings(struct mv88e6xxx_chip *chip,
167 int port, uint8_t *data);
168 size_t mv88e6352_serdes_get_stats(struct mv88e6xxx_chip *chip, int port,
169 uint64_t *data);
170 int mv88e6390_serdes_get_sset_count(struct mv88e6xxx_chip *chip, int port);
171 int mv88e6390_serdes_get_strings(struct mv88e6xxx_chip *chip,
172 int port, uint8_t *data);
173 size_t mv88e6390_serdes_get_stats(struct mv88e6xxx_chip *chip, int port,
174 uint64_t *data);
175
176 int mv88e6352_serdes_get_regs_len(struct mv88e6xxx_chip *chip, int port);
177 void mv88e6352_serdes_get_regs(struct mv88e6xxx_chip *chip, int port, void *_p);
178 int mv88e6390_serdes_get_regs_len(struct mv88e6xxx_chip *chip, int port);
179 void mv88e6390_serdes_get_regs(struct mv88e6xxx_chip *chip, int port, void *_p);
180
181 int mv88e6352_serdes_set_tx_amplitude(struct mv88e6xxx_chip *chip, int port,
182 int val);
183
184 /* Return the (first) SERDES lane address a port is using, -errno otherwise. */
mv88e6xxx_serdes_get_lane(struct mv88e6xxx_chip * chip,int port)185 static inline int mv88e6xxx_serdes_get_lane(struct mv88e6xxx_chip *chip,
186 int port)
187 {
188 if (!chip->info->ops->serdes_get_lane)
189 return -EOPNOTSUPP;
190
191 return chip->info->ops->serdes_get_lane(chip, port);
192 }
193
mv88e6xxx_serdes_power_up(struct mv88e6xxx_chip * chip,int port,int lane)194 static inline int mv88e6xxx_serdes_power_up(struct mv88e6xxx_chip *chip,
195 int port, int lane)
196 {
197 if (!chip->info->ops->serdes_power)
198 return -EOPNOTSUPP;
199
200 return chip->info->ops->serdes_power(chip, port, lane, true);
201 }
202
mv88e6xxx_serdes_power_down(struct mv88e6xxx_chip * chip,int port,int lane)203 static inline int mv88e6xxx_serdes_power_down(struct mv88e6xxx_chip *chip,
204 int port, int lane)
205 {
206 if (!chip->info->ops->serdes_power)
207 return -EOPNOTSUPP;
208
209 return chip->info->ops->serdes_power(chip, port, lane, false);
210 }
211
212 static inline unsigned int
mv88e6xxx_serdes_irq_mapping(struct mv88e6xxx_chip * chip,int port)213 mv88e6xxx_serdes_irq_mapping(struct mv88e6xxx_chip *chip, int port)
214 {
215 if (!chip->info->ops->serdes_irq_mapping)
216 return 0;
217
218 return chip->info->ops->serdes_irq_mapping(chip, port);
219 }
220
mv88e6xxx_serdes_irq_enable(struct mv88e6xxx_chip * chip,int port,int lane)221 static inline int mv88e6xxx_serdes_irq_enable(struct mv88e6xxx_chip *chip,
222 int port, int lane)
223 {
224 if (!chip->info->ops->serdes_irq_enable)
225 return -EOPNOTSUPP;
226
227 return chip->info->ops->serdes_irq_enable(chip, port, lane, true);
228 }
229
mv88e6xxx_serdes_irq_disable(struct mv88e6xxx_chip * chip,int port,int lane)230 static inline int mv88e6xxx_serdes_irq_disable(struct mv88e6xxx_chip *chip,
231 int port, int lane)
232 {
233 if (!chip->info->ops->serdes_irq_enable)
234 return -EOPNOTSUPP;
235
236 return chip->info->ops->serdes_irq_enable(chip, port, lane, false);
237 }
238
239 static inline irqreturn_t
mv88e6xxx_serdes_irq_status(struct mv88e6xxx_chip * chip,int port,int lane)240 mv88e6xxx_serdes_irq_status(struct mv88e6xxx_chip *chip, int port, int lane)
241 {
242 if (!chip->info->ops->serdes_irq_status)
243 return IRQ_NONE;
244
245 return chip->info->ops->serdes_irq_status(chip, port, lane);
246 }
247
248 #endif
249