1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2015-2016 Landon Fuller <landon@landonf.org> 5 * Copyright (c) 2017 The FreeBSD Foundation 6 * All rights reserved. 7 * 8 * Portions of this software were developed by Landon Fuller 9 * under sponsorship from the FreeBSD Foundation. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer, 16 * without modification. 17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 19 * redistribution must be conditioned upon including a substantially 20 * similar Disclaimer requirement for further binary redistribution. 21 * 22 * NO WARRANTY 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 25 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 26 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 27 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 28 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 31 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 33 * THE POSSIBILITY OF SUCH DAMAGES. 34 * 35 */ 36 37 #ifndef _BCMA_BCMAVAR_H_ 38 #define _BCMA_BCMAVAR_H_ 39 40 #include <sys/param.h> 41 #include <sys/bus.h> 42 #include <sys/limits.h> 43 44 #include <machine/bus.h> 45 #include <sys/rman.h> 46 47 #include "bcma.h" 48 49 /* 50 * Internal definitions shared by bcma(4) driver implementations. 51 */ 52 53 /** Base resource ID for per-core agent register allocations */ 54 #define BCMA_AGENT_RID_BASE 100 55 56 /** 57 * Return the device's core index. 58 * 59 * @param _dinfo The bcma_devinfo instance to query. 60 */ 61 #define BCMA_DINFO_COREIDX(_dinfo) \ 62 ((_dinfo)->corecfg->core_info.core_idx) 63 64 /** BCMA port identifier. */ 65 typedef u_int bcma_pid_t; 66 #define BCMA_PID_MAX UINT_MAX /**< Maximum bcma_pid_t value */ 67 68 /** BCMA per-port region map identifier. */ 69 typedef u_int bcma_rmid_t; 70 #define BCMA_RMID_MAX UINT_MAX /**< Maximum bcma_rmid_t value */ 71 72 struct bcma_devinfo; 73 struct bcma_corecfg; 74 struct bcma_intr; 75 struct bcma_map; 76 struct bcma_mport; 77 struct bcma_sport; 78 79 int bcma_probe(device_t dev); 80 int bcma_attach(device_t dev); 81 int bcma_detach(device_t dev); 82 u_int bcma_get_intr_count(device_t dev, device_t child); 83 int bcma_get_intr_ivec(device_t dev, device_t child, 84 u_int intr, uint32_t *ivec); 85 86 int bcma_add_children(device_t bus); 87 88 struct bcma_sport_list *bcma_corecfg_get_port_list(struct bcma_corecfg *cfg, 89 bhnd_port_type type); 90 91 struct bcma_devinfo *bcma_alloc_dinfo(device_t bus); 92 int bcma_init_dinfo(device_t bus, device_t child, 93 struct bcma_devinfo *dinfo, 94 struct bcma_corecfg *corecfg); 95 void bcma_free_dinfo(device_t bus, device_t child, 96 struct bcma_devinfo *dinfo); 97 98 struct bcma_corecfg *bcma_alloc_corecfg(u_int core_index, int core_unit, 99 uint16_t vendor, uint16_t device, uint8_t hwrev); 100 void bcma_free_corecfg(struct bcma_corecfg *corecfg); 101 102 struct bcma_intr *bcma_alloc_intr(uint8_t bank, uint8_t sel, 103 uint8_t line); 104 void bcma_free_intr(struct bcma_intr *intr); 105 106 struct bcma_sport *bcma_alloc_sport(bcma_pid_t port_num, bhnd_port_type port_type); 107 void bcma_free_sport(struct bcma_sport *sport); 108 109 int bcma_dmp_wait_reset(device_t child, 110 struct bcma_devinfo *dinfo); 111 int bcma_dmp_write_reset(device_t child, 112 struct bcma_devinfo *dinfo, uint32_t value); 113 114 /** BCMA master port descriptor */ 115 struct bcma_mport { 116 bcma_pid_t mp_num; /**< AXI port identifier (bus-unique) */ 117 bcma_pid_t mp_vid; /**< AXI master virtual ID (core-unique) */ 118 STAILQ_ENTRY(bcma_mport) mp_link; 119 }; 120 121 /** BCMA memory region descriptor */ 122 struct bcma_map { 123 bcma_rmid_t m_region_num; /**< region identifier (port-unique). */ 124 bhnd_addr_t m_base; /**< base address */ 125 bhnd_size_t m_size; /**< size */ 126 int m_rid; /**< bus resource id, or -1. */ 127 128 STAILQ_ENTRY(bcma_map) m_link; 129 }; 130 131 /** BCMA interrupt descriptor */ 132 struct bcma_intr { 133 uint8_t i_bank; /**< OOB bank (see BCMA_OOB_BANK[A-D]) */ 134 uint8_t i_sel; /**< OOB selector (0-7) */ 135 uint8_t i_busline; /**< OOB bus line assigned to this selector */ 136 bool i_mapped; /**< if an irq has been mapped for this selector */ 137 int i_rid; /**< bus resource id, or -1 */ 138 rman_res_t i_irq; /**< the mapped bus irq, if any */ 139 140 STAILQ_ENTRY(bcma_intr) i_link; 141 }; 142 143 /** BCMA slave port descriptor */ 144 struct bcma_sport { 145 bcma_pid_t sp_num; /**< slave port number (core-unique) */ 146 bhnd_port_type sp_type; /**< port type */ 147 148 u_long sp_num_maps; /**< number of regions mapped to this port */ 149 STAILQ_HEAD(, bcma_map) sp_maps; 150 STAILQ_ENTRY(bcma_sport) sp_link; 151 }; 152 153 STAILQ_HEAD(bcma_mport_list, bcma_mport); 154 STAILQ_HEAD(bcma_intr_list, bcma_intr); 155 STAILQ_HEAD(bcma_sport_list, bcma_sport); 156 157 /** BCMA IP core/block configuration */ 158 struct bcma_corecfg { 159 struct bhnd_core_info core_info; /**< standard core info */ 160 161 u_long num_master_ports; /**< number of master port descriptors. */ 162 struct bcma_mport_list master_ports; /**< master port descriptors */ 163 164 u_long num_dev_ports; /**< number of device slave port descriptors. */ 165 struct bcma_sport_list dev_ports; /**< device port descriptors */ 166 167 u_long num_bridge_ports; /**< number of bridge slave port descriptors. */ 168 struct bcma_sport_list bridge_ports; /**< bridge port descriptors */ 169 170 u_long num_wrapper_ports; /**< number of wrapper slave port descriptors. */ 171 struct bcma_sport_list wrapper_ports; /**< wrapper port descriptors */ 172 }; 173 174 /** 175 * BCMA per-device info 176 */ 177 struct bcma_devinfo { 178 struct resource_list resources; /**< Slave port memory regions. */ 179 struct bcma_corecfg *corecfg; /**< IP core/block config */ 180 181 struct bhnd_resource *res_agent; /**< Agent (wrapper) resource, or NULL. Not 182 * all bcma(4) cores have or require an agent. */ 183 int rid_agent; /**< Agent resource ID, or -1 */ 184 185 u_int num_intrs; /**< number of interrupt descriptors. */ 186 struct bcma_intr_list intrs; /**< interrupt descriptors */ 187 188 void *pmu_info; /**< Bus-managed PMU state, or NULL */ 189 }; 190 191 /** BMCA per-instance state */ 192 struct bcma_softc { 193 struct bhnd_softc bhnd_sc; /**< bhnd state */ 194 }; 195 196 #endif /* _BCMA_BCMAVAR_H_ */ 197