xref: /openbmc/linux/drivers/net/ethernet/mscc/ocelot.h (revision dc6a81c3)
1 /* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
2 /*
3  * Microsemi Ocelot Switch driver
4  *
5  * Copyright (c) 2017 Microsemi Corporation
6  */
7 
8 #ifndef _MSCC_OCELOT_H_
9 #define _MSCC_OCELOT_H_
10 
11 #include <linux/bitops.h>
12 #include <linux/etherdevice.h>
13 #include <linux/if_vlan.h>
14 #include <linux/net_tstamp.h>
15 #include <linux/phy.h>
16 #include <linux/phy/phy.h>
17 #include <linux/platform_device.h>
18 #include <linux/ptp_clock_kernel.h>
19 #include <linux/regmap.h>
20 
21 #include <soc/mscc/ocelot_qsys.h>
22 #include <soc/mscc/ocelot_sys.h>
23 #include <soc/mscc/ocelot_dev.h>
24 #include <soc/mscc/ocelot_ana.h>
25 #include <soc/mscc/ocelot.h>
26 #include "ocelot_rew.h"
27 #include "ocelot_qs.h"
28 #include "ocelot_tc.h"
29 #include "ocelot_ptp.h"
30 
31 #define PGID_AGGR    64
32 #define PGID_SRC     80
33 
34 /* Reserved PGIDs */
35 #define PGID_CPU     (PGID_AGGR - 5)
36 #define PGID_UC      (PGID_AGGR - 4)
37 #define PGID_MC      (PGID_AGGR - 3)
38 #define PGID_MCIPV4  (PGID_AGGR - 2)
39 #define PGID_MCIPV6  (PGID_AGGR - 1)
40 
41 #define OCELOT_BUFFER_CELL_SZ 60
42 
43 #define OCELOT_STATS_CHECK_DELAY (2 * HZ)
44 
45 #define OCELOT_PTP_QUEUE_SZ	128
46 
47 struct frame_info {
48 	u32 len;
49 	u16 port;
50 	u16 vid;
51 	u8 tag_type;
52 	u16 rew_op;
53 	u32 timestamp;	/* rew_val */
54 };
55 
56 struct ocelot_multicast {
57 	struct list_head list;
58 	unsigned char addr[ETH_ALEN];
59 	u16 vid;
60 	u16 ports;
61 };
62 
63 struct ocelot_port_private {
64 	struct ocelot_port port;
65 	struct net_device *dev;
66 	struct phy_device *phy;
67 	u8 chip_port;
68 
69 	u8 vlan_aware;
70 
71 	struct phy *serdes;
72 
73 	struct ocelot_port_tc tc;
74 };
75 
76 u32 ocelot_port_readl(struct ocelot_port *port, u32 reg);
77 void ocelot_port_writel(struct ocelot_port *port, u32 val, u32 reg);
78 
79 #define ocelot_field_write(ocelot, reg, val) regmap_field_write((ocelot)->regfields[(reg)], (val))
80 #define ocelot_field_read(ocelot, reg, val) regmap_field_read((ocelot)->regfields[(reg)], (val))
81 
82 int ocelot_chip_init(struct ocelot *ocelot, const struct ocelot_ops *ops);
83 int ocelot_probe_port(struct ocelot *ocelot, u8 port,
84 		      void __iomem *regs,
85 		      struct phy_device *phy);
86 
87 void ocelot_set_cpu_port(struct ocelot *ocelot, int cpu,
88 			 enum ocelot_tag_prefix injection,
89 			 enum ocelot_tag_prefix extraction);
90 
91 extern struct notifier_block ocelot_netdevice_nb;
92 extern struct notifier_block ocelot_switchdev_nb;
93 extern struct notifier_block ocelot_switchdev_blocking_nb;
94 
95 #define ocelot_field_write(ocelot, reg, val) regmap_field_write((ocelot)->regfields[(reg)], (val))
96 #define ocelot_field_read(ocelot, reg, val) regmap_field_read((ocelot)->regfields[(reg)], (val))
97 
98 #endif
99