1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2022 Adrian Chadd <adrian@FreeBSD.org>. 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 #ifndef __AR40XX_VAR_H__ 28 #define __AR40XX_VAR_H__ 29 30 #define AR40XX_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx) 31 #define AR40XX_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx) 32 #define AR40XX_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sc_mtx, MA_OWNED) 33 34 /* 35 * register space access macros 36 */ 37 #define AR40XX_REG_WRITE(sc, reg, val) do { \ 38 bus_write_4(sc->sc_ess_mem_res, (reg), (val)); \ 39 } while (0) 40 41 #define AR40XX_REG_READ(sc, reg) bus_read_4(sc->sc_ess_mem_res, (reg)) 42 43 #define AR40XX_REG_BARRIER_WRITE(sc) bus_barrier((sc)->sc_ess_mem_res, \ 44 0, (sc)->sc_ess_mem_size, BUS_SPACE_BARRIER_WRITE) 45 #define AR40XX_REG_BARRIER_READ(sc) bus_barrier((sc)->sc_ess_mem_res, \ 46 0, (sc)->sc_ess_mem_size, BUS_SPACE_BARRIER_READ) 47 #define AR40XX_REG_BARRIER_RW(sc) bus_barrier((sc)->sc_ess_mem_res, \ 48 0, (sc)->sc_ess_mem_size, \ 49 BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE) 50 51 /* Size of the VLAN table itself in hardware */ 52 #define AR40XX_NUM_VTU_ENTRIES 64 53 #define AR40XX_NUM_PORTS 6 54 #define AR40XX_NUM_PHYS 5 55 /* Size of the ATU table in hardware */ 56 #define AR40XX_NUM_ATU_ENTRIES 2048 57 58 struct ar40xx_softc { 59 struct mtx sc_mtx; /* serialize access to softc */ 60 device_t sc_dev; 61 uint32_t sc_debug; 62 63 /* ess-switch memory resource */ 64 struct resource *sc_ess_mem_res; 65 int sc_ess_mem_rid; 66 size_t sc_ess_mem_size; 67 68 /* ess-switch clock resource */ 69 clk_t sc_ess_clk; 70 71 /* ess-switch reset resource */ 72 hwreset_t sc_ess_rst; 73 74 /* phy update callout timer */ 75 struct callout sc_phy_callout; 76 77 /* memory for the ess-psgmii config interface */ 78 bus_space_tag_t sc_psgmii_mem_tag; 79 bus_space_handle_t sc_psgmii_mem_handle; 80 bus_size_t sc_psgmii_mem_size; 81 82 /* reference to the ipq4019-mdio interface */ 83 phandle_t sc_mdio_phandle; 84 device_t sc_mdio_dev; 85 86 etherswitch_info_t sc_info; 87 88 struct { 89 uint32_t phy_t_status; 90 } sc_psgmii; 91 92 struct { 93 uint32_t switch_mac_mode; 94 uint32_t switch_cpu_bmp; 95 uint32_t switch_lan_bmp; 96 uint32_t switch_wan_bmp; 97 } sc_config; 98 99 /* VLAN table configuration */ 100 struct { 101 /* Whether 802.1q VLANs are enabled or not */ 102 bool vlan; 103 /* Map etherswitch vgroup to 802.1q vlan */ 104 uint16_t vlan_id[AR40XX_NUM_VTU_ENTRIES]; 105 /* VLAN port membership */ 106 uint8_t vlan_ports[AR40XX_NUM_VTU_ENTRIES]; 107 /* VLAN port membership - untagged ports */ 108 uint16_t vlan_untagged[AR40XX_NUM_VTU_ENTRIES]; 109 /* PVID for each port - index into vlan_id[] */ 110 uint16_t pvid[AR40XX_NUM_PORTS]; 111 } sc_vlan; 112 113 struct { 114 bool mirror_rx; 115 bool mirror_tx; 116 int source_port; 117 int monitor_port; 118 } sc_monitor; 119 120 struct { 121 char *ifname[AR40XX_NUM_PHYS]; 122 device_t miibus[AR40XX_NUM_PHYS]; 123 if_t ifp[AR40XX_NUM_PHYS]; 124 } sc_phys; 125 126 /* ATU (address table unit) support */ 127 struct { 128 int count; 129 int size; 130 etherswitch_atu_entry_t entries[AR40XX_NUM_ATU_ENTRIES]; 131 } atu; 132 }; 133 134 #endif /* __AR40XX_VAR_H__ */ 135 136