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 static struct soundhw *selected = NULL; 68 69 void select_soundhw(const char *optarg) 70 { 71 struct soundhw *c; 72 73 if (selected) { 74 error_setg(&error_fatal, "only one -soundhw option is allowed"); 75 } 76 77 if (is_help_option(optarg)) { 78 show_valid_cards: 79 80 if (soundhw_count) { 81 printf("Valid sound card names (comma separated):\n"); 82 for (c = soundhw; c->name; ++c) { 83 printf ("%-11s %s\n", c->name, c->descr); 84 } 85 printf("\n-soundhw all will enable all of the above\n"); 86 } else { 87 printf("Machine has no user-selectable audio hardware " 88 "(it may or may not have always-present audio hardware).\n"); 89 } 90 exit(!is_help_option(optarg)); 91 } 92 else { 93 for (c = soundhw; c->name; ++c) { 94 if (g_str_equal(c->name, optarg)) { 95 selected = c; 96 break; 97 } 98 } 99 100 if (!c->name) { 101 error_report("Unknown sound card name `%s'", optarg); 102 goto show_valid_cards; 103 } 104 } 105 } 106 107 void soundhw_init(void) 108 { 109 struct soundhw *c = selected; 110 ISABus *isa_bus = (ISABus *) object_resolve_path_type("", TYPE_ISA_BUS, NULL); 111 PCIBus *pci_bus = (PCIBus *) object_resolve_path_type("", TYPE_PCI_BUS, NULL); 112 113 if (!c) { 114 return; 115 } 116 if (c->typename) { 117 warn_report("'-soundhw %s' is deprecated, " 118 "please use '-device %s' instead", 119 c->name, c->typename); 120 if (c->isa) { 121 isa_create_simple(isa_bus, c->typename); 122 } else { 123 pci_create_simple(pci_bus, -1, c->typename); 124 } 125 } else { 126 assert(!c->isa); 127 if (!pci_bus) { 128 error_report("PCI bus not available for %s", c->name); 129 exit(1); 130 } 131 c->init_pci(pci_bus); 132 } 133 } 134 135