Merge remote-tracking branch 'remotes/berrange/tags/qcrypto-next-pull-request' into...

[qemu.git] / hw / audio / gus.c

diff --git a/hw/audio/gus.c b/hw/audio/gus.c
index e0c8a4ee1eed547cb72bc3efefb3986ce32ed6b4..8e0b27e0f23760c23c6442fc24a3f98547785568 100644 (file)
--- a/hw/audio/gus.c
+++ b/hw/audio/gus.c
@@ -21,8 +21,10 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
+#include "qemu/osdep.h"
+#include "qapi/error.h"
 #include "hw/hw.h"
-#include "hw/audio/audio.h"
+#include "hw/audio/soundhw.h"
 #include "audio/audio.h"
 #include "hw/isa/isa.h"
 #include "gusemu.h"
@@ -51,12 +53,15 @@ typedef struct GUSState {
     uint32_t freq;
     uint32_t port;
     int pos, left, shift, irqs;
-    GUSsample *mixbuf;
+    int16_t *mixbuf;
     uint8_t himem[1024 * 1024 + 32 + 4096];
     int samples;
     SWVoiceOut *voice;
     int64_t last_ticks;
     qemu_irq pic;
+    IsaDma *isa_dma;
+    PortioList portio_list1;
+    PortioList portio_list2;
 } GUSState;
 
 static uint32_t gus_readb(void *opaque, uint32_t nport)
@@ -141,7 +146,7 @@ static void GUS_callback (void *opaque, int free)
     s->left = samples;
 
  reset:
-    gus_irqgen (&s->emu, muldiv64 (net, 1000000, s->freq));
+    gus_irqgen (&s->emu, (uint64_t)net * 1000000 / s->freq);
 }
 
 int GUS_irqrequest (GUSEmuState *emu, int hwirq, int n)
@@ -167,34 +172,36 @@ 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;
 }
@@ -231,8 +238,15 @@ static void gus_realizefn (DeviceState *dev, Error **errp)
 {
     ISADevice *d = ISA_DEVICE(dev);
     GUSState *s = GUS (dev);
+    IsaDmaClass *k;
     struct audsettings as;
 
+    s->isa_dma = isa_get_dma(isa_bus_from_device(d), s->emu.gusdma);
+    if (!s->isa_dma) {
+        error_setg(errp, "ISA controller does not support DMA");
+        return;
+    }
+
     AUD_register_card ("gus", &s->card);
 
     as.freq = s->freq;
@@ -259,11 +273,13 @@ static void gus_realizefn (DeviceState *dev, Error **errp)
     s->samples = AUD_get_buffer_size_out (s->voice) >> s->shift;
     s->mixbuf = g_malloc0 (s->samples << s->shift);
 
-    isa_register_portio_list (d, s->port, gus_portio_list1, s, "gus");
-    isa_register_portio_list (d, (s->port + 0x100) & 0xf00,
-                              gus_portio_list2, s, "gus");
+    isa_register_portio_list(d, &s->portio_list1, s->port,
+                             gus_portio_list1, s, "gus");
+    isa_register_portio_list(d, &s->portio_list2, (s->port + 0x100) & 0xf00,
+                             gus_portio_list2, s, "gus");
 
-    DMA_register_channel (s->emu.gusdma, GUS_read_DMA, s);
+    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;