1 /* 2 * QEMU System Emulator 3 * 4 * Copyright (c) 2003-2008 Fabrice Bellard 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 #include "qemu/osdep.h" 25 #include "qemu/option.h" 26 #include "qemu/help_option.h" 27 #include "qemu/error-report.h" 28 #include "qapi/error.h" 29 #include "qom/object.h" 30 #include "hw/isa/isa.h" 31 #include "hw/pci/pci.h" 32 #include "hw/audio/soundhw.h" 33 34 struct soundhw { 35 const char *name; 36 const char *descr; 37 const char *typename; 38 int isa; 39 int (*init_pci) (PCIBus *bus); 40 }; 41 42 static struct soundhw soundhw[9]; 43 static int soundhw_count; 44 45 void pci_register_soundhw(const char *name, const char *descr, 46 int (*init_pci)(PCIBus *bus)) 47 { 48 assert(soundhw_count < ARRAY_SIZE(soundhw) - 1); 49 soundhw[soundhw_count].name = name; 50 soundhw[soundhw_count].descr = descr; 51 soundhw[soundhw_count].isa = 0; 52 soundhw[soundhw_count].init_pci = init_pci; 53 soundhw_count++; 54 } 55 56 void deprecated_register_soundhw(const char *name, const char *descr, 57 int isa, const char *typename) 58 { 59 assert(soundhw_count < ARRAY_SIZE(soundhw) - 1); 60 soundhw[soundhw_count].name = name; 61 soundhw[soundhw_count].descr = descr; 62 soundhw[soundhw_count].isa = isa; 63 soundhw[soundhw_count].typename = typename; 64 soundhw_count++; 65 } 66 67 void show_valid_soundhw(void) 68 { 69 struct soundhw *c; 70 71 if (soundhw_count) { 72 printf("Valid sound card names (comma separated):\n"); 73 for (c = soundhw; c->name; ++c) { 74 printf ("%-11s %s\n", c->name, c->descr); 75 } 76 } else { 77 printf("Machine has no user-selectable audio hardware " 78 "(it may or may not have always-present audio hardware).\n"); 79 } 80 } 81 82 static struct soundhw *selected = NULL; 83 84 void select_soundhw(const char *optarg) 85 { 86 struct soundhw *c; 87 88 if (selected) { 89 error_setg(&error_fatal, "only one -soundhw option is allowed"); 90 } 91 92 for (c = soundhw; c->name; ++c) { 93 if (g_str_equal(c->name, optarg)) { 94 selected = c; 95 break; 96 } 97 } 98 99 if (!c->name) { 100 error_report("Unknown sound card name `%s'", optarg); 101 show_valid_soundhw(); 102 exit(1); 103 } 104 } 105 106 void soundhw_init(void) 107 { 108 struct soundhw *c = selected; 109 ISABus *isa_bus = (ISABus *) object_resolve_path_type("", TYPE_ISA_BUS, NULL); 110 PCIBus *pci_bus = (PCIBus *) object_resolve_path_type("", TYPE_PCI_BUS, NULL); 111 BusState *bus; 112 113 if (!c) { 114 return; 115 } 116 if (c->isa) { 117 if (!isa_bus) { 118 error_report("ISA bus not available for %s", c->name); 119 exit(1); 120 } 121 bus = BUS(isa_bus); 122 } else { 123 if (!pci_bus) { 124 error_report("PCI bus not available for %s", c->name); 125 exit(1); 126 } 127 bus = BUS(pci_bus); 128 } 129 130 if (c->typename) { 131 DeviceState *dev = qdev_new(c->typename); 132 qdev_realize_and_unref(dev, bus, &error_fatal); 133 } else { 134 assert(!c->isa); 135 c->init_pci(pci_bus); 136 } 137 } 138 139