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-common.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 int enabled; 37 int isa; 38 union { 39 int (*init_isa) (ISABus *bus); 40 int (*init_pci) (PCIBus *bus); 41 } init; 42 }; 43 44 static struct soundhw soundhw[9]; 45 static int soundhw_count; 46 47 void isa_register_soundhw(const char *name, const char *descr, 48 int (*init_isa)(ISABus *bus)) 49 { 50 assert(soundhw_count < ARRAY_SIZE(soundhw) - 1); 51 soundhw[soundhw_count].name = name; 52 soundhw[soundhw_count].descr = descr; 53 soundhw[soundhw_count].isa = 1; 54 soundhw[soundhw_count].init.init_isa = init_isa; 55 soundhw_count++; 56 } 57 58 void pci_register_soundhw(const char *name, const char *descr, 59 int (*init_pci)(PCIBus *bus)) 60 { 61 assert(soundhw_count < ARRAY_SIZE(soundhw) - 1); 62 soundhw[soundhw_count].name = name; 63 soundhw[soundhw_count].descr = descr; 64 soundhw[soundhw_count].isa = 0; 65 soundhw[soundhw_count].init.init_pci = init_pci; 66 soundhw_count++; 67 } 68 69 void select_soundhw(const char *optarg) 70 { 71 struct soundhw *c; 72 73 if (is_help_option(optarg)) { 74 show_valid_cards: 75 76 if (soundhw_count) { 77 printf("Valid sound card names (comma separated):\n"); 78 for (c = soundhw; c->name; ++c) { 79 printf ("%-11s %s\n", c->name, c->descr); 80 } 81 printf("\n-soundhw all will enable all of the above\n"); 82 } else { 83 printf("Machine has no user-selectable audio hardware " 84 "(it may or may not have always-present audio hardware).\n"); 85 } 86 exit(!is_help_option(optarg)); 87 } 88 else { 89 size_t l; 90 const char *p; 91 char *e; 92 int bad_card = 0; 93 94 if (!strcmp(optarg, "all")) { 95 for (c = soundhw; c->name; ++c) { 96 c->enabled = 1; 97 } 98 return; 99 } 100 101 p = optarg; 102 while (*p) { 103 e = strchr(p, ','); 104 l = !e ? strlen(p) : (size_t) (e - p); 105 106 for (c = soundhw; c->name; ++c) { 107 if (!strncmp(c->name, p, l) && !c->name[l]) { 108 c->enabled = 1; 109 break; 110 } 111 } 112 113 if (!c->name) { 114 if (l > 80) { 115 error_report("Unknown sound card name (too big to show)"); 116 } 117 else { 118 error_report("Unknown sound card name `%.*s'", 119 (int) l, p); 120 } 121 bad_card = 1; 122 } 123 p += l + (e != NULL); 124 } 125 126 if (bad_card) { 127 goto show_valid_cards; 128 } 129 } 130 } 131 132 void soundhw_init(void) 133 { 134 struct soundhw *c; 135 ISABus *isa_bus = (ISABus *) object_resolve_path_type("", TYPE_ISA_BUS, NULL); 136 PCIBus *pci_bus = (PCIBus *) object_resolve_path_type("", TYPE_PCI_BUS, NULL); 137 138 for (c = soundhw; c->name; ++c) { 139 if (c->enabled) { 140 if (c->isa) { 141 if (!isa_bus) { 142 error_report("ISA bus not available for %s", c->name); 143 exit(1); 144 } 145 c->init.init_isa(isa_bus); 146 } else { 147 if (!pci_bus) { 148 error_report("PCI bus not available for %s", c->name); 149 exit(1); 150 } 151 c->init.init_pci(pci_bus); 152 } 153 } 154 } 155 } 156 157