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 "qom/object.h" 29 #include "hw/isa/isa.h" 30 #include "hw/pci/pci.h" 31 #include "hw/audio/soundhw.h" 32 33 struct soundhw { 34 const char *name; 35 const char *descr; 36 const char *typename; 37 int enabled; 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 select_soundhw(const char *optarg) 68 { 69 struct soundhw *c; 70 71 if (is_help_option(optarg)) { 72 show_valid_cards: 73 74 if (soundhw_count) { 75 printf("Valid sound card names (comma separated):\n"); 76 for (c = soundhw; c->name; ++c) { 77 printf ("%-11s %s\n", c->name, c->descr); 78 } 79 printf("\n-soundhw all will enable all of the above\n"); 80 } else { 81 printf("Machine has no user-selectable audio hardware " 82 "(it may or may not have always-present audio hardware).\n"); 83 } 84 exit(!is_help_option(optarg)); 85 } 86 else { 87 size_t l; 88 const char *p; 89 char *e; 90 int bad_card = 0; 91 92 if (!strcmp(optarg, "all")) { 93 for (c = soundhw; c->name; ++c) { 94 c->enabled = 1; 95 } 96 return; 97 } 98 99 p = optarg; 100 while (*p) { 101 e = strchr(p, ','); 102 l = !e ? strlen(p) : (size_t) (e - p); 103 104 for (c = soundhw; c->name; ++c) { 105 if (!strncmp(c->name, p, l) && !c->name[l]) { 106 c->enabled = 1; 107 break; 108 } 109 } 110 111 if (!c->name) { 112 if (l > 80) { 113 error_report("Unknown sound card name (too big to show)"); 114 } 115 else { 116 error_report("Unknown sound card name `%.*s'", 117 (int) l, p); 118 } 119 bad_card = 1; 120 } 121 p += l + (e != NULL); 122 } 123 124 if (bad_card) { 125 goto show_valid_cards; 126 } 127 } 128 } 129 130 void soundhw_init(void) 131 { 132 struct soundhw *c; 133 ISABus *isa_bus = (ISABus *) object_resolve_path_type("", TYPE_ISA_BUS, NULL); 134 PCIBus *pci_bus = (PCIBus *) object_resolve_path_type("", TYPE_PCI_BUS, NULL); 135 136 for (c = soundhw; c->name; ++c) { 137 if (c->enabled) { 138 if (c->typename) { 139 warn_report("'-soundhw %s' is deprecated, " 140 "please use '-device %s' instead", 141 c->name, c->typename); 142 if (c->isa) { 143 isa_create_simple(isa_bus, c->typename); 144 } else { 145 pci_create_simple(pci_bus, -1, c->typename); 146 } 147 } else { 148 assert(!c->isa); 149 if (!pci_bus) { 150 error_report("PCI bus not available for %s", c->name); 151 exit(1); 152 } 153 c->init_pci(pci_bus); 154 } 155 } 156 } 157 } 158 159