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ca89f720 EH |
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" | |
ca89f720 EH |
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" | |
8a824e4d | 30 | #include "hw/audio/soundhw.h" |
ca89f720 EH |
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 | ||
4c565674 | 131 | void soundhw_init(void) |
ca89f720 EH |
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 |