drivers/net/ethernet/mscc/ocelot.h

   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