Adding upstream version 1:7.2+dfsg.upstream/1%7.2+dfsgupstream

Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>

1 files changed, 142 insertions, 0 deletions

diff --git a/hw/audio/soundhw.c b/hw/audio/soundhw.c
new file mode 100644
index 00000000..94d9463e
--- /dev/null
+++ b/hw/audio/soundhw.c
@@ -0,0 +1,142 @@
+/*
+ * QEMU System Emulator
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "qemu/osdep.h"
+#include "qemu/option.h"
+#include "qemu/help_option.h"
+#include "qemu/error-report.h"
+#include "qapi/error.h"
+#include "qom/object.h"
+#include "hw/qdev-properties.h"
+#include "hw/isa/isa.h"
+#include "hw/pci/pci.h"
+#include "hw/audio/soundhw.h"
+
+struct soundhw {
+    const char *name;
+    const char *descr;
+    const char *typename;
+    int isa;
+    int (*init_pci) (PCIBus *bus, const char *audiodev);
+};
+
+static struct soundhw soundhw[9];
+static int soundhw_count;
+
+void pci_register_soundhw(const char *name, const char *descr,
+                          int (*init_pci)(PCIBus *bus, const char *audiodev))
+{
+    assert(soundhw_count < ARRAY_SIZE(soundhw) - 1);
+    soundhw[soundhw_count].name = name;
+    soundhw[soundhw_count].descr = descr;
+    soundhw[soundhw_count].isa = 0;
+    soundhw[soundhw_count].init_pci = init_pci;
+    soundhw_count++;
+}
+
+void deprecated_register_soundhw(const char *name, const char *descr,
+                                 int isa, const char *typename)
+{
+    assert(soundhw_count < ARRAY_SIZE(soundhw) - 1);
+    soundhw[soundhw_count].name = name;
+    soundhw[soundhw_count].descr = descr;
+    soundhw[soundhw_count].isa = isa;
+    soundhw[soundhw_count].typename = typename;
+    soundhw_count++;
+}
+
+void show_valid_soundhw(void)
+{
+    struct soundhw *c;
+
+    if (soundhw_count) {
+         printf("Valid sound card names (comma separated):\n");
+         for (c = soundhw; c->name; ++c) {
+             printf ("%-11s %s\n", c->name, c->descr);
+         }
+    } else {
+         printf("Machine has no user-selectable audio hardware "
+                "(it may or may not have always-present audio hardware).\n");
+    }
+}
+
+static struct soundhw *selected = NULL;
+static const char *audiodev_id;
+
+void select_soundhw(const char *optarg, const char *audiodev)
+{
+    struct soundhw *c;
+
+    if (selected) {
+        error_setg(&error_fatal, "only one -soundhw option is allowed");
+    }
+
+    for (c = soundhw; c->name; ++c) {
+        if (g_str_equal(c->name, optarg)) {
+            selected = c;
+            audiodev_id = audiodev;
+            break;
+        }
+    }
+
+    if (!c->name) {
+        error_report("Unknown sound card name `%s'", optarg);
+        show_valid_soundhw();
+        exit(1);
+    }
+}
+
+void soundhw_init(void)
+{
+    struct soundhw *c = selected;
+    ISABus *isa_bus = (ISABus *) object_resolve_path_type("", TYPE_ISA_BUS, NULL);
+    PCIBus *pci_bus = (PCIBus *) object_resolve_path_type("", TYPE_PCI_BUS, NULL);
+    BusState *bus;
+
+    if (!c) {
+        return;
+    }
+    if (c->isa) {
+        if (!isa_bus) {
+            error_report("ISA bus not available for %s", c->name);
+            exit(1);
+        }
+        bus = BUS(isa_bus);
+    } else {
+        if (!pci_bus) {
+            error_report("PCI bus not available for %s", c->name);
+            exit(1);
+        }
+        bus = BUS(pci_bus);
+    }
+
+    if (c->typename) {
+        DeviceState *dev = qdev_new(c->typename);
+        qdev_prop_set_string(dev, "audiodev", audiodev_id);
+        qdev_realize_and_unref(dev, bus, &error_fatal);
+    } else {
+        assert(!c->isa);
+        c->init_pci(pci_bus, audiodev_id);
+    }
+}
+