[Qemu-devel] [PATCH v2 10/13] qdev/isa: convert gravis ultrasound

[Gerd Hoffmann <kraxel@redhat.com>]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 hw/gus.c    |   75 ++++++++++++++++++++++++++++++++++++++--------------------
 hw/gusemu.h |    4 +-
 2 files changed, 51 insertions(+), 28 deletions(-)

diff --git a/hw/gus.c b/hw/gus.c
index 5e73c5a..b41095e 100644
--- a/hw/gus.c
+++ b/hw/gus.c
@@ -54,16 +54,18 @@ static struct {
 } conf = {0x240, 7, 3, 44100};
 
 typedef struct GUSState {
+    ISADevice dev;
     GUSEmuState emu;
     QEMUSoundCard card;
-    int freq;
+    uint32_t freq;
+    uint32_t port;
     int pos, left, shift, irqs;
     GUSsample *mixbuf;
     uint8_t himem[1024 * 1024 + 32 + 4096];
     int samples;
     SWVoiceOut *voice;
     int64_t last_ticks;
-    qemu_irq *pic;
+    qemu_irq pic;
 } GUSState;
 
 IO_READ_PROTO (gus_readb)
@@ -168,8 +170,8 @@ reset:
 int GUS_irqrequest (GUSEmuState *emu, int hwirq, int n)
 {
     GUSState *s = emu->opaque;
-    /* qemu_irq_lower (s->pic[hwirq]); */
-    qemu_irq_raise (s->pic[hwirq]);
+    /* qemu_irq_lower (s->pic); */
+    qemu_irq_raise (s->pic);
     s->irqs += n;
     ldebug ("irqrequest %d %d %d\n", hwirq, n, s->irqs);
     return n;
@@ -179,7 +181,7 @@ void GUS_irqclear (GUSEmuState *emu, int hwirq)
 {
     GUSState *s = emu->opaque;
     ldebug ("irqclear %d %d\n", hwirq, s->irqs);
-    qemu_irq_lower (s->pic[hwirq]);
+    qemu_irq_lower (s->pic);
     s->irqs -= 1;
 #ifdef IRQ_STORM
     if (s->irqs > 0) {
@@ -250,16 +252,14 @@ static int GUS_load (QEMUFile *f, void *opaque, int version_id)
     return 0;
 }
 
-int GUS_init (qemu_irq *pic)
+static int gus_initfn (ISADevice *dev)
 {
-    GUSState *s;
+    GUSState *s = DO_UPCAST(GUSState, dev, dev);
     struct audsettings as;
 
-    s = qemu_mallocz (sizeof (*s));
-
     AUD_register_card ("gus", &s->card);
 
-    as.freq = conf.freq;
+    as.freq = s->freq;
     as.nchannels = 2;
     as.fmt = AUD_FMT_S16;
     as.endianness = GUS_ENDIANNESS;
@@ -283,34 +283,57 @@ int GUS_init (qemu_irq *pic)
     s->samples = AUD_get_buffer_size_out (s->voice) >> s->shift;
     s->mixbuf = qemu_mallocz (s->samples << s->shift);
 
-    register_ioport_write (conf.port, 1, 1, gus_writeb, s);
-    register_ioport_write (conf.port, 1, 2, gus_writew, s);
+    register_ioport_write (s->port, 1, 1, gus_writeb, s);
+    register_ioport_write (s->port, 1, 2, gus_writew, s);
 
-    register_ioport_read ((conf.port + 0x100) & 0xf00, 1, 1, gus_readb, s);
-    register_ioport_read ((conf.port + 0x100) & 0xf00, 1, 2, gus_readw, s);
+    register_ioport_read ((s->port + 0x100) & 0xf00, 1, 1, gus_readb, s);
+    register_ioport_read ((s->port + 0x100) & 0xf00, 1, 2, gus_readw, s);
 
-    register_ioport_write (conf.port + 6, 10, 1, gus_writeb, s);
-    register_ioport_write (conf.port + 6, 10, 2, gus_writew, s);
-    register_ioport_read (conf.port + 6, 10, 1, gus_readb, s);
-    register_ioport_read (conf.port + 6, 10, 2, gus_readw, s);
+    register_ioport_write (s->port + 6, 10, 1, gus_writeb, s);
+    register_ioport_write (s->port + 6, 10, 2, gus_writew, s);
+    register_ioport_read (s->port + 6, 10, 1, gus_readb, s);
+    register_ioport_read (s->port + 6, 10, 2, gus_readw, s);
 
 
-    register_ioport_write (conf.port + 0x100, 8, 1, gus_writeb, s);
-    register_ioport_write (conf.port + 0x100, 8, 2, gus_writew, s);
-    register_ioport_read (conf.port + 0x100, 8, 1, gus_readb, s);
-    register_ioport_read (conf.port + 0x100, 8, 2, gus_readw, s);
+    register_ioport_write (s->port + 0x100, 8, 1, gus_writeb, s);
+    register_ioport_write (s->port + 0x100, 8, 2, gus_writew, s);
+    register_ioport_read (s->port + 0x100, 8, 1, gus_readb, s);
+    register_ioport_read (s->port + 0x100, 8, 2, gus_readw, s);
 
     DMA_register_channel (conf.dma, GUS_read_DMA, s);
-    s->emu.gusirq = conf.irq;
-    s->emu.gusdma = conf.dma;
     s->emu.himemaddr = s->himem;
     s->emu.gusdatapos = s->emu.himemaddr + 1024 * 1024 + 32;
     s->emu.opaque = s;
-    s->freq = conf.freq;
-    s->pic = pic;
+    isa_init_irq(dev, &s->pic, s->emu.gusirq);
 
     AUD_set_active_out (s->voice, 1);
 
     register_savevm ("gus", 0, 2, GUS_save, GUS_load, s);
     return 0;
 }
+
+int GUS_init (qemu_irq *pic)
+{
+    isa_create_simple("gus");
+    return 0;
+}
+
+static ISADeviceInfo gus_info = {
+    .qdev.name     = "gus",
+    .qdev.desc     = "Creative Sound Blaster 16",
+    .qdev.size     = sizeof (GUSState),
+    .init          = gus_initfn,
+    .qdev.props    = (Property[]) {
+        DEFINE_PROP_UINT32 ("freq",    GUSState, freq,        44100),
+        DEFINE_PROP_HEX32  ("iobase",  GUSState, port,        0x240),
+        DEFINE_PROP_UINT32 ("irq",     GUSState, emu.gusirq,  7),
+        DEFINE_PROP_UINT32 ("dma",     GUSState, emu.gusdma,  3),
+        DEFINE_PROP_END_OF_LIST (),
+    },
+};
+
+static void gus_register(void)
+{
+    isa_qdev_register(&gus_info);
+}
+device_init(gus_register)
diff --git a/hw/gusemu.h b/hw/gusemu.h
index a64300a..5093767 100644
--- a/hw/gusemu.h
+++ b/hw/gusemu.h
@@ -46,8 +46,8 @@ typedef struct _GUSEmuState
 {
  GUSbyte *himemaddr; /* 1024*1024 bytes used for storing uploaded samples (+32 additional bytes for read padding) */
  GUSbyte *gusdatapos; /* (gusdataend-gusdata) bytes used for storing emulated GF1/mixer register states (32*32+4 bytes in initial GUSemu32 version) */
- int gusirq;
- int gusdma;
+ uint32_t gusirq;
+ uint32_t gusdma;
  unsigned int timer1fraction;
  unsigned int timer2fraction;
  void *opaque;
-- 
1.6.2.5