audio: look for the ISA and PCI buses

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1366303444-24620-8-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

arch_init.c

@@ -987,20 +987,26 @@ void select_soundhw(const char *optarg)
     }
 }
 
-void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
+void audio_init(void)
 {
     struct soundhw *c;
+    ISABus *isa_bus = (ISABus *) object_resolve_path_type("", TYPE_ISA_BUS, NULL);
+    PCIBus *pci_bus = (PCIBus *) object_resolve_path_type("", TYPE_PCI_BUS, NULL);
 
     for (c = soundhw; c->name; ++c) {
         if (c->enabled) {
             if (c->isa) {
-                if (isa_bus) {
+                if (!isa_bus) {
-                    c->init.init_isa(isa_bus);
+                    fprintf(stderr, "ISA bus not available for %s\n", c->name);
+                    exit(1);
                 }
+                c->init.init_isa(isa_bus);
             } else {
-                if (pci_bus) {
+                if (!pci_bus) {
-                    c->init.init_pci(pci_bus);
+                    fprintf(stderr, "PCI bus not available for %s\n", c->name);
+                    exit(1);
                 }
+                c->init.init_pci(pci_bus);
             }
         }
     }

hw/i386/pc_piix.c

@@ -88,7 +88,6 @@ static void pc_init1(MemoryRegion *system_memory,
     void *fw_cfg = NULL;
 
     pc_cpus_init(cpu_model);
-    pc_acpi_init("acpi-dsdt.aml");
 
     if (kvmclock_enabled) {
         kvmclock_create();
@@ -194,7 +193,7 @@ static void pc_init1(MemoryRegion *system_memory,
         }
     }
 
-    audio_init(isa_bus, pci_enabled ? pci_bus : NULL);
+    audio_init();
 
     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
                  floppy, idebus[0], idebus[1], rtc_state);

hw/i386/pc_q35.c

@@ -189,7 +189,7 @@ static void pc_q35_init(QEMUMachineInitArgs *args)
 
     /* the rest devices to which pci devfn is automatically assigned */
     pc_vga_init(isa_bus, host_bus);
-    audio_init(isa_bus, host_bus);
+    audio_init();
     pc_nic_init(isa_bus, host_bus);
     if (pci_enabled) {
         pc_pci_device_init(host_bus);

hw/mips/mips_jazz.c

@@ -290,7 +290,7 @@ static void mips_jazz_init(MemoryRegion *address_space,
 
     /* Sound card */
     /* FIXME: missing Jazz sound at 0x8000c000, rc4030[2] */
-    audio_init(isa_bus, NULL);
+    audio_init();
 
     /* NVRAM */
     dev = qdev_create(NULL, "ds1225y");

hw/mips/mips_malta.c

@@ -986,7 +986,7 @@ void mips_malta_init(QEMUMachineInitArgs *args)
     fdctrl_init_isa(isa_bus, fd);
 
     /* Sound card */
-    audio_init(isa_bus, pci_bus);
+    audio_init();
 
     /* Network card */
     network_init();

hw/ppc/prep.c

@@ -660,7 +660,7 @@ static void ppc_prep_init(QEMUMachineInitArgs *args)
     register_ioport_write(0x0F00, 4, 1, &PPC_debug_write, NULL);
 
     /* Initialize audio subsystem */
-    audio_init(isa_bus, pci_bus);
+    audio_init();
 }
 
 static QEMUMachine prep_machine = {

include/sysemu/arch_init.h

@@ -30,7 +30,7 @@ void select_soundhw(const char *optarg);
 void do_acpitable_option(const QemuOpts *opts);
 void do_smbios_option(const char *optarg);
 void cpudef_init(void);
-void audio_init(ISABus *isa_bus, PCIBus *pci_bus);
+void audio_init(void);
 int tcg_available(void);
 int kvm_available(void);
 int xen_available(void);