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author | Hervé Poussineau <hpoussin@reactos.org> | 2016-02-03 11:28:58 -0500 |
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committer | John Snow <jsnow@redhat.com> | 2016-02-03 11:28:58 -0500 |
commit | 467be5f2f0176592288460787ca28704f6493db5 (patch) | |
tree | e6e3c3ed53d0659b094296dd2c035b569c199b8e /hw/audio | |
parent | 2d0110913356b34229d7232e8e1ce93ad9b3da67 (diff) | |
download | qemu-467be5f2f0176592288460787ca28704f6493db5.zip qemu-467be5f2f0176592288460787ca28704f6493db5.tar.gz qemu-467be5f2f0176592288460787ca28704f6493db5.tar.bz2 |
gus: use IsaDma interface instead of global DMA_* functions
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Message-id: 1453843944-26833-18-git-send-email-hpoussin@reactos.org
Signed-off-by: John Snow <jsnow@redhat.com>
Diffstat (limited to 'hw/audio')
-rw-r--r-- | hw/audio/gus.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/hw/audio/gus.c b/hw/audio/gus.c index 47c0fcf..b416a54 100644 --- a/hw/audio/gus.c +++ b/hw/audio/gus.c @@ -58,6 +58,7 @@ typedef struct GUSState { SWVoiceOut *voice; int64_t last_ticks; qemu_irq pic; + IsaDma *isa_dma; } GUSState; static uint32_t gus_readb(void *opaque, uint32_t nport) @@ -168,34 +169,36 @@ void GUS_irqclear (GUSEmuState *emu, int hwirq) #endif } -void GUS_dmarequest (GUSEmuState *der) +void GUS_dmarequest (GUSEmuState *emu) { - /* GUSState *s = (GUSState *) der; */ + GUSState *s = emu->opaque; + IsaDmaClass *k = ISADMA_GET_CLASS(s->isa_dma); ldebug ("dma request %d\n", der->gusdma); - DMA_hold_DREQ (der->gusdma); + k->hold_DREQ(s->isa_dma, s->emu.gusdma); } static int GUS_read_DMA (void *opaque, int nchan, int dma_pos, int dma_len) { GUSState *s = opaque; + IsaDmaClass *k = ISADMA_GET_CLASS(s->isa_dma); char tmpbuf[4096]; int pos = dma_pos, mode, left = dma_len - dma_pos; ldebug ("read DMA %#x %d\n", dma_pos, dma_len); - mode = DMA_get_channel_mode (s->emu.gusdma); + mode = k->has_autoinitialization(s->isa_dma, s->emu.gusdma); while (left) { int to_copy = audio_MIN ((size_t) left, sizeof (tmpbuf)); int copied; ldebug ("left=%d to_copy=%d pos=%d\n", left, to_copy, pos); - copied = DMA_read_memory (nchan, tmpbuf, pos, to_copy); + copied = k->read_memory(s->isa_dma, nchan, tmpbuf, pos, to_copy); gus_dma_transferdata (&s->emu, tmpbuf, copied, left == copied); left -= copied; pos += copied; } if (((mode >> 4) & 1) == 0) { - DMA_release_DREQ (s->emu.gusdma); + k->release_DREQ(s->isa_dma, s->emu.gusdma); } return dma_len; } @@ -232,6 +235,7 @@ static void gus_realizefn (DeviceState *dev, Error **errp) { ISADevice *d = ISA_DEVICE(dev); GUSState *s = GUS (dev); + IsaDmaClass *k; struct audsettings as; AUD_register_card ("gus", &s->card); @@ -264,7 +268,9 @@ static void gus_realizefn (DeviceState *dev, Error **errp) isa_register_portio_list (d, (s->port + 0x100) & 0xf00, gus_portio_list2, s, "gus"); - DMA_register_channel (s->emu.gusdma, GUS_read_DMA, s); + s->isa_dma = isa_get_dma(isa_bus_from_device(d), s->emu.gusdma); + k = ISADMA_GET_CLASS(s->isa_dma); + k->register_channel(s->isa_dma, s->emu.gusdma, GUS_read_DMA, s); s->emu.himemaddr = s->himem; s->emu.gusdatapos = s->emu.himemaddr + 1024 * 1024 + 32; s->emu.opaque = s; |