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 | |