diff options
Diffstat (limited to 'hw/audio/pcspk.c')
| -rw-r--r-- | hw/audio/pcspk.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/hw/audio/pcspk.c b/hw/audio/pcspk.c index 34e0df7485..d844e855ed 100644 --- a/hw/audio/pcspk.c +++ b/hw/audio/pcspk.c @@ -35,8 +35,11 @@ #define PCSPK_MAX_FREQ (PCSPK_SAMPLE_RATE >> 1) #define PCSPK_MIN_COUNT ((PIT_FREQ + PCSPK_MAX_FREQ - 1) / PCSPK_MAX_FREQ) +#define PC_SPEAKER(obj) OBJECT_CHECK(PCSpkState, (obj), TYPE_PC_SPEAKER) + typedef struct { - ISADevice dev; + ISADevice parent_obj; + MemoryRegion ioport; uint32_t iobase; uint8_t sample_buf[PCSPK_BUF_LEN]; @@ -161,7 +164,7 @@ static const MemoryRegionOps pcspk_io_ops = { static int pcspk_initfn(ISADevice *dev) { - PCSpkState *s = DO_UPCAST(PCSpkState, dev, dev); + PCSpkState *s = PC_SPEAKER(dev); memory_region_init_io(&s->ioport, &pcspk_io_ops, s, "elcr", 1); isa_register_ioport(dev, &s->ioport, s->iobase); @@ -188,7 +191,7 @@ static void pcspk_class_initfn(ObjectClass *klass, void *data) } static const TypeInfo pcspk_info = { - .name = "isa-pcspk", + .name = TYPE_PC_SPEAKER, .parent = TYPE_ISA_DEVICE, .instance_size = sizeof(PCSpkState), .class_init = pcspk_class_initfn, |