1/* $NetBSD: zz9k.c,v 1.1 2023/05/03 13:49:30 phx Exp $ */ 2 3/* 4 * Copyright (c) 2020 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Alain Runa. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include <sys/cdefs.h> 32__KERNEL_RCSID(0, "$NetBSD: zz9k.c,v 1.1 2023/05/03 13:49:30 phx Exp $"); 33 34/* miscellaneous */ 35#include <sys/types.h> /* size_t */ 36#include <sys/stdint.h> /* uintXX_t */ 37#include <sys/stdbool.h> /* bool */ 38 39/* driver(9) includes */ 40#include <sys/param.h> /* NODEV */ 41#include <sys/device.h> /* CFATTACH_DECL_NEW(), device_priv() */ 42#include <sys/errno.h> /* . */ 43 44/* bus_space(9) and zorro bus includes */ 45#include <sys/bus.h> /* bus_space_xxx(), bus_space_xxx */ 46#include <sys/cpu.h> /* kvtop() */ 47#include <sys/systm.h> /* aprint_xxx() */ 48#include <amiga/dev/zbusvar.h> /* zbus_args */ 49 50/* zz9k and amiga related */ 51#include <amiga/amiga/device.h> /* amiga_realconfig */ 52#include <amiga/dev/zz9kvar.h> /* zz9k_softc */ 53#include <amiga/dev/zz9kreg.h> /* ZZ9000 registers */ 54#include "zz9k.h" /* NZZ9K */ 55 56 57/* helper functions */ 58static int zz9k_print(void *aux, const char *pnp); 59 60/* driver(9) essentials */ 61static int zz9k_match(device_t parent, cfdata_t match, void *aux); 62static void zz9k_attach(device_t parent, device_t self, void *aux); 63CFATTACH_DECL_NEW( 64 zz9k, sizeof(struct zz9k_softc), zz9k_match, zz9k_attach, NULL, NULL); 65 66bool zz9k_exists = false; /* required by zz9k_fb ZZFB_CONSOLE */ 67 68 69/* It's the year 2020. And so it begins... */ 70 71static int 72zz9k_match(device_t parent, cfdata_t match, void *aux) 73{ 74 struct zbus_args *zap = aux; 75 bool found = false; 76 77 if (zap->manid == ZZ9K_MANID) { 78 switch (zap->prodid) { 79 case ZZ9K_PRODID_Z2: 80 case ZZ9K_PRODID_Z3: 81 found = true; 82 break; 83 } 84 } 85 86 if (amiga_realconfig == 0) { /* pre-config, just flag if zz9k exists. */ 87 zz9k_exists = found; 88 return 0; /* 0, as we don't need zz9k_attach() this round. */ 89 } 90 91 return found; 92} 93 94static void 95zz9k_attach(device_t parent, device_t self, void *aux) 96{ 97 struct zbus_args *zap = aux; 98 struct zz9k_softc *sc = device_private(self); 99 struct zz9kbus_attach_args zz9k_fb; /* Graphics */ 100 struct zz9kbus_attach_args zz9k_if; /* Ethernet */ 101 struct zz9kbus_attach_args zz9k_ax; /* Audio */ 102 struct zz9kbus_attach_args zz9k_usb; /* USB */ 103 104 const bus_addr_t regBase = ZZ9K_REG_BASE; 105 const bus_size_t regSize = ZZ9K_REG_SIZE; 106 107 sc->sc_dev = self; 108 sc->sc_bst.base = (bus_addr_t)zap->va; 109 sc->sc_bst.absm = &amiga_bus_stride_1; 110 sc->sc_iot = &sc->sc_bst; 111 sc->sc_zsize = zap->size; 112 113 if (bus_space_map(sc->sc_iot, regBase, regSize, 0, &sc->sc_regh)) { 114 aprint_error("Failed to map MNT ZZ9000 registers.\n"); 115 return; 116 } 117 118 uint16_t hwVer = ZZREG_R(ZZ9K_HW_VERSION); 119 uint16_t fwVer = ZZREG_R(ZZ9K_FW_VERSION); 120 121 aprint_normal(": MNT ZZ9000 Zorro %s (HW: %i.%i, FW: %i.%i)\n", 122 (zap->prodid == ZZ9K_PRODID_Z3) ? "III" : "II", 123 hwVer >> 8, hwVer & 0x00ff, fwVer >> 8, fwVer & 0x00ff); 124 125 if (fwVer < ZZ9K_FW_VER_MIN) { 126 aprint_error("Firmware version is not supported. " 127 "Please update to newer firmware from:\n"); 128 aprint_error( 129 "https://source.mnt.re/amiga/zz9000-firmware/-/releases\n"); 130 return; 131 } 132 133 uint16_t tcore = ZZREG_R(ZZ9K_TEMPERATURE); 134 uint16_t vcore = ZZREG_R(ZZ9K_VOLTAGE_CORE); 135 uint16_t vaux = ZZREG_R(ZZ9K_VOLTAGE_AUX); 136 137 aprint_normal_dev(sc->sc_dev, "Hardware status " 138 "<Tcore: %i.%i C, Vcore: %i.%i V, Vaux: %i.%i V>\n", 139 tcore/10, tcore%10, vcore/100, vcore%100, vaux/100, vaux%100); 140 141 aprint_debug_dev(sc->sc_dev, "[DEBUG] registers at %p/%p (pa/va), " 142 "MNT ZZ9000 is mapped with %i MB in Zorro %s space.\n", 143 (void *)kvtop((void *)sc->sc_regh), 144 bus_space_vaddr(sc->sc_iot, sc->sc_regh), 145 zap->size / (1024 * 1024), 146 (zap->prodid == ZZ9K_PRODID_Z3) ? "III" : "II"); 147 148 if (fwVer > ZZ9K_FW_VER) { 149 aprint_normal_dev(sc->sc_dev, "The firmware is newer than " 150 "%i.%i and may not be supported yet.\n", 151 ZZ9K_FW_VER >> 8, ZZ9K_FW_VER & 0x00ff); 152 } 153 154 /* Add framebuffer */ 155 zz9k_fb.zzaa_base = (bus_addr_t)zap->va; 156 strcpy(zz9k_fb.zzaa_name, "zz9k_fb"); 157 config_found(sc->sc_dev, &zz9k_fb, zz9k_print, CFARGS_NONE); 158 159 /* Add zz* ethernet interface */ 160 zz9k_if.zzaa_base = (bus_addr_t)zap->va; 161 strcpy(zz9k_if.zzaa_name, "zz9k_if"); 162 config_found(sc->sc_dev, &zz9k_if, zz9k_print, CFARGS_NONE); 163 164 /* Add AX audio interface */ 165 zz9k_ax.zzaa_base = (bus_addr_t)zap->va; 166 strcpy(zz9k_ax.zzaa_name, "zz9k_ax"); 167 config_found(sc->sc_dev, &zz9k_ax, zz9k_print, CFARGS_NONE); 168 169 /* Add USB interface */ 170 zz9k_usb.zzaa_base = (bus_addr_t)zap->va; 171 strcpy(zz9k_usb.zzaa_name, "zz9k_usb"); 172 config_found(sc->sc_dev, &zz9k_usb, zz9k_print, CFARGS_NONE); 173} 174 175static int 176zz9k_print(void *aux, const char *pnp) 177{ 178 return 0; 179} 180