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/help_option.h" 26 #include "qemu/error-report.h" 27 #include "qom/object.h" 28 #include "hw/isa/isa.h" 29 #include "hw/pci/pci.h" 30 #include "hw/audio/soundhw.h" 31 32 struct soundhw { 33 const char *name; 34 const char *descr; 35 int enabled; 36 int isa; 37 union { 38 int (*init_isa) (ISABus *bus); 39 int (*init_pci) (PCIBus *bus); 40 } init; 41 }; 42 43 static struct soundhw soundhw[9]; 44 static int soundhw_count; 45 46 void isa_register_soundhw(const char *name, const char *descr, 47 int (*init_isa)(ISABus *bus)) 48 { 49 assert(soundhw_count < ARRAY_SIZE(soundhw) - 1); 50 soundhw[soundhw_count].name = name; 51 soundhw[soundhw_count].descr = descr; 52 soundhw[soundhw_count].isa = 1; 53 soundhw[soundhw_count].init.init_isa = init_isa; 54 soundhw_count++; 55 } 56 57 void pci_register_soundhw(const char *name, const char *descr, 58 int (*init_pci)(PCIBus *bus)) 59 { 60 assert(soundhw_count < ARRAY_SIZE(soundhw) - 1); 61 soundhw[soundhw_count].name = name; 62 soundhw[soundhw_count].descr = descr; 63 soundhw[soundhw_count].isa = 0; 64 soundhw[soundhw_count].init.init_pci = init_pci; 65 soundhw_count++; 66 } 67 68 void select_soundhw(const char *optarg) 69 { 70 struct soundhw *c; 71 72 if (is_help_option(optarg)) { 73 show_valid_cards: 74 75 if (soundhw_count) { 76 printf("Valid sound card names (comma separated):\n"); 77 for (c = soundhw; c->name; ++c) { 78 printf ("%-11s %s\n", c->name, c->descr); 79 } 80 printf("\n-soundhw all will enable all of the above\n"); 81 } else { 82 printf("Machine has no user-selectable audio hardware " 83 "(it may or may not have always-present audio hardware).\n"); 84 } 85 exit(!is_help_option(optarg)); 86 } 87 else { 88 size_t l; 89 const char *p; 90 char *e; 91 int bad_card = 0; 92 93 if (!strcmp(optarg, "all")) { 94 for (c = soundhw; c->name; ++c) { 95 c->enabled = 1; 96 } 97 return; 98 } 99 100 p = optarg; 101 while (*p) { 102 e = strchr(p, ','); 103 l = !e ? strlen(p) : (size_t) (e - p); 104 105 for (c = soundhw; c->name; ++c) { 106 if (!strncmp(c->name, p, l) && !c->name[l]) { 107 c->enabled = 1; 108 break; 109 } 110 } 111 112 if (!c->name) { 113 if (l > 80) { 114 error_report("Unknown sound card name (too big to show)"); 115 } 116 else { 117 error_report("Unknown sound card name `%.*s'", 118 (int) l, p); 119 } 120 bad_card = 1; 121 } 122 p += l + (e != NULL); 123 } 124 125 if (bad_card) { 126 goto show_valid_cards; 127 } 128 } 129 } 130 131 void soundhw_init(void) 132 { 133 struct soundhw *c; 134 ISABus *isa_bus = (ISABus *) object_resolve_path_type("", TYPE_ISA_BUS, NULL); 135 PCIBus *pci_bus = (PCIBus *) object_resolve_path_type("", TYPE_PCI_BUS, NULL); 136 137 for (c = soundhw; c->name; ++c) { 138 if (c->enabled) { 139 if (c->isa) { 140 if (!isa_bus) { 141 error_report("ISA bus not available for %s", c->name); 142 exit(1); 143 } 144 c->init.init_isa(isa_bus); 145 } else { 146 if (!pci_bus) { 147 error_report("PCI bus not available for %s", c->name); 148 exit(1); 149 } 150 c->init.init_pci(pci_bus); 151 } 152 } 153 } 154 } 155 156