commit 93f43c48887a4e5b651965955eedd8e838e53db3
author Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro> Mon Oct 31 17:06:50 2011 +1100
committer Anthony Liguori <aliguori@us.ibm.com> Tue Nov 01 16:52:07 2011 -0500
tree 7ff1ec31f63fae51954233c65463fb6a3251fe6f
parent 16ef60c9a8eeee269f7cbc95219a431b1d7cbf29

ac97: Use PCI DMA stub functions

This updates the ac97 device emulation to use the explicit PCI DMA
functions, instead of directly calling physical memory access functions.

Signed-off-by: Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

hw/ac97.c

diff --git a/hw/ac97.c b/hw/ac97.c
index bc69d4e..6800af4 100644
--- a/hw/ac97.c
+++ b/hw/ac97.c
@@ -18,6 +18,7 @@
 #include "audiodev.h"
 #include "audio/audio.h"
 #include "pci.h"
+#include "dma.h"
 
 enum {
     AC97_Reset                     = 0x00,
@@ -224,7 +225,7 @@
 {
     uint8_t b[8];
 
-    cpu_physical_memory_read (r->bdbar + r->civ * 8, b, 8);
+    pci_dma_read (&s->dev, r->bdbar + r->civ * 8, b, 8);
     r->bd_valid = 1;
     r->bd.addr = le32_to_cpu (*(uint32_t *) &b[0]) & ~3;
     r->bd.ctl_len = le32_to_cpu (*(uint32_t *) &b[4]);
@@ -973,7 +974,7 @@
     while (temp) {
         int copied;
         to_copy = audio_MIN (temp, sizeof (tmpbuf));
-        cpu_physical_memory_read (addr, tmpbuf, to_copy);
+        pci_dma_read (&s->dev, addr, tmpbuf, to_copy);
         copied = AUD_write (s->voice_po, tmpbuf, to_copy);
         dolog ("write_audio max=%x to_copy=%x copied=%x\n",
                max, to_copy, copied);
@@ -1054,7 +1055,7 @@
             *stop = 1;
             break;
         }
-        cpu_physical_memory_write (addr, tmpbuf, acquired);
+        pci_dma_write (&s->dev, addr, tmpbuf, acquired);
         temp -= acquired;
         addr += acquired;
         nread += acquired;