Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

1 files changed, 389 insertions, 0 deletions

diff --git a/qemu/hw/audio/adlib.c b/qemu/hw/audio/adlib.c
new file mode 100644
index 000000000..656eb3773
--- /dev/null
+++ b/qemu/hw/audio/adlib.c
@@ -0,0 +1,389 @@
+/*
+ * QEMU Proxy for OPL2/3 emulation by MAME team
+ *
+ * Copyright (c) 2004-2005 Vassili Karpov (malc)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "hw/hw.h"
+#include "hw/audio/audio.h"
+#include "audio/audio.h"
+#include "hw/isa/isa.h"
+
+//#define DEBUG
+
+#define ADLIB_KILL_TIMERS 1
+
+#ifdef HAS_YMF262
+#define ADLIB_DESC "Yamaha YMF262 (OPL3)"
+#else
+#define ADLIB_DESC "Yamaha YM3812 (OPL2)"
+#endif
+
+#ifdef DEBUG
+#include "qemu/timer.h"
+#endif
+
+#define dolog(...) AUD_log ("adlib", __VA_ARGS__)
+#ifdef DEBUG
+#define ldebug(...) dolog (__VA_ARGS__)
+#else
+#define ldebug(...)
+#endif
+
+#ifdef HAS_YMF262
+#include "ymf262.h"
+void YMF262UpdateOneQEMU (int which, INT16 *dst, int length);
+#define SHIFT 2
+#else
+#include "fmopl.h"
+#define SHIFT 1
+#endif
+
+#define IO_READ_PROTO(name) \
+    uint32_t name (void *opaque, uint32_t nport)
+#define IO_WRITE_PROTO(name) \
+    void name (void *opaque, uint32_t nport, uint32_t val)
+
+#define TYPE_ADLIB "adlib"
+#define ADLIB(obj) OBJECT_CHECK(AdlibState, (obj), TYPE_ADLIB)
+
+typedef struct {
+    ISADevice parent_obj;
+
+    QEMUSoundCard card;
+    uint32_t freq;
+    uint32_t port;
+    int ticking[2];
+    int enabled;
+    int active;
+    int bufpos;
+#ifdef DEBUG
+    int64_t exp[2];
+#endif
+    int16_t *mixbuf;
+    uint64_t dexp[2];
+    SWVoiceOut *voice;
+    int left, pos, samples;
+    QEMUAudioTimeStamp ats;
+#ifndef HAS_YMF262
+    FM_OPL *opl;
+#endif
+    PortioList port_list;
+} AdlibState;
+
+static AdlibState *glob_adlib;
+
+static void adlib_stop_opl_timer (AdlibState *s, size_t n)
+{
+#ifdef HAS_YMF262
+    YMF262TimerOver (0, n);
+#else
+    OPLTimerOver (s->opl, n);
+#endif
+    s->ticking[n] = 0;
+}
+
+static void adlib_kill_timers (AdlibState *s)
+{
+    size_t i;
+
+    for (i = 0; i < 2; ++i) {
+        if (s->ticking[i]) {
+            uint64_t delta;
+
+            delta = AUD_get_elapsed_usec_out (s->voice, &s->ats);
+            ldebug (
+                "delta = %f dexp = %f expired => %d\n",
+                delta / 1000000.0,
+                s->dexp[i] / 1000000.0,
+                delta >= s->dexp[i]
+                );
+            if (ADLIB_KILL_TIMERS || delta >= s->dexp[i]) {
+                adlib_stop_opl_timer (s, i);
+                AUD_init_time_stamp_out (s->voice, &s->ats);
+            }
+        }
+    }
+}
+
+static IO_WRITE_PROTO (adlib_write)
+{
+    AdlibState *s = opaque;
+    int a = nport & 3;
+
+    s->active = 1;
+    AUD_set_active_out (s->voice, 1);
+
+    adlib_kill_timers (s);
+
+#ifdef HAS_YMF262
+    YMF262Write (0, a, val);
+#else
+    OPLWrite (s->opl, a, val);
+#endif
+}
+
+static IO_READ_PROTO (adlib_read)
+{
+    AdlibState *s = opaque;
+    uint8_t data;
+    int a = nport & 3;
+
+    adlib_kill_timers (s);
+
+#ifdef HAS_YMF262
+    data = YMF262Read (0, a);
+#else
+    data = OPLRead (s->opl, a);
+#endif
+    return data;
+}
+
+static void timer_handler (int c, double interval_Sec)
+{
+    AdlibState *s = glob_adlib;
+    unsigned n = c & 1;
+#ifdef DEBUG
+    double interval;
+    int64_t exp;
+#endif
+
+    if (interval_Sec == 0.0) {
+        s->ticking[n] = 0;
+        return;
+    }
+
+    s->ticking[n] = 1;
+#ifdef DEBUG
+    interval = get_ticks_per_sec () * interval_Sec;
+    exp = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + interval;
+    s->exp[n] = exp;
+#endif
+
+    s->dexp[n] = interval_Sec * 1000000.0;
+    AUD_init_time_stamp_out (s->voice, &s->ats);
+}
+
+static int write_audio (AdlibState *s, int samples)
+{
+    int net = 0;
+    int pos = s->pos;
+
+    while (samples) {
+        int nbytes, wbytes, wsampl;
+
+        nbytes = samples << SHIFT;
+        wbytes = AUD_write (
+            s->voice,
+            s->mixbuf + (pos << (SHIFT - 1)),
+            nbytes
+            );
+
+        if (wbytes) {
+            wsampl = wbytes >> SHIFT;
+
+            samples -= wsampl;
+            pos = (pos + wsampl) % s->samples;
+
+            net += wsampl;
+        }
+        else {
+            break;
+        }
+    }
+
+    return net;
+}
+
+static void adlib_callback (void *opaque, int free)
+{
+    AdlibState *s = opaque;
+    int samples, net = 0, to_play, written;
+
+    samples = free >> SHIFT;
+    if (!(s->active && s->enabled) || !samples) {
+        return;
+    }
+
+    to_play = audio_MIN (s->left, samples);
+    while (to_play) {
+        written = write_audio (s, to_play);
+
+        if (written) {
+            s->left -= written;
+            samples -= written;
+            to_play -= written;
+            s->pos = (s->pos + written) % s->samples;
+        }
+        else {
+            return;
+        }
+    }
+
+    samples = audio_MIN (samples, s->samples - s->pos);
+    if (!samples) {
+        return;
+    }
+
+#ifdef HAS_YMF262
+    YMF262UpdateOneQEMU (0, s->mixbuf + s->pos * 2, samples);
+#else
+    YM3812UpdateOne (s->opl, s->mixbuf + s->pos, samples);
+#endif
+
+    while (samples) {
+        written = write_audio (s, samples);
+
+        if (written) {
+            net += written;
+            samples -= written;
+            s->pos = (s->pos + written) % s->samples;
+        }
+        else {
+            s->left = samples;
+            return;
+        }
+    }
+}
+
+static void Adlib_fini (AdlibState *s)
+{
+#ifdef HAS_YMF262
+    YMF262Shutdown ();
+#else
+    if (s->opl) {
+        OPLDestroy (s->opl);
+        s->opl = NULL;
+    }
+#endif
+
+    g_free(s->mixbuf);
+
+    s->active = 0;
+    s->enabled = 0;
+    AUD_remove_card (&s->card);
+}
+
+static MemoryRegionPortio adlib_portio_list[] = {
+    { 0, 4, 1, .read = adlib_read, .write = adlib_write, },
+    { 0, 2, 1, .read = adlib_read, .write = adlib_write, },
+    { 0x388, 4, 1, .read = adlib_read, .write = adlib_write, },
+    PORTIO_END_OF_LIST(),
+};
+
+static void adlib_realizefn (DeviceState *dev, Error **errp)
+{
+    AdlibState *s = ADLIB(dev);
+    struct audsettings as;
+
+    if (glob_adlib) {
+        error_setg (errp, "Cannot create more than 1 adlib device");
+        return;
+    }
+    glob_adlib = s;
+
+#ifdef HAS_YMF262
+    if (YMF262Init (1, 14318180, s->freq)) {
+        error_setg (errp, "YMF262Init %d failed", s->freq);
+        return;
+    }
+    else {
+        YMF262SetTimerHandler (0, timer_handler, 0);
+        s->enabled = 1;
+    }
+#else
+    s->opl = OPLCreate (OPL_TYPE_YM3812, 3579545, s->freq);
+    if (!s->opl) {
+        error_setg (errp, "OPLCreate %d failed", s->freq);
+        return;
+    }
+    else {
+        OPLSetTimerHandler (s->opl, timer_handler, 0);
+        s->enabled = 1;
+    }
+#endif
+
+    as.freq = s->freq;
+    as.nchannels = SHIFT;
+    as.fmt = AUD_FMT_S16;
+    as.endianness = AUDIO_HOST_ENDIANNESS;
+
+    AUD_register_card ("adlib", &s->card);
+
+    s->voice = AUD_open_out (
+        &s->card,
+        s->voice,
+        "adlib",
+        s,
+        adlib_callback,
+        &as
+        );
+    if (!s->voice) {
+        Adlib_fini (s);
+        error_setg (errp, "Initializing audio voice failed");
+        return;
+    }
+
+    s->samples = AUD_get_buffer_size_out (s->voice) >> SHIFT;
+    s->mixbuf = g_malloc0 (s->samples << SHIFT);
+
+    adlib_portio_list[0].offset = s->port;
+    adlib_portio_list[1].offset = s->port + 8;
+    portio_list_init (&s->port_list, OBJECT(s), adlib_portio_list, s, "adlib");
+    portio_list_add (&s->port_list, isa_address_space_io(&s->parent_obj), 0);
+}
+
+static Property adlib_properties[] = {
+    DEFINE_PROP_UINT32 ("iobase",  AdlibState, port, 0x220),
+    DEFINE_PROP_UINT32 ("freq",    AdlibState, freq,  44100),
+    DEFINE_PROP_END_OF_LIST (),
+};
+
+static void adlib_class_initfn (ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS (klass);
+
+    dc->realize = adlib_realizefn;
+    set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
+    dc->desc = ADLIB_DESC;
+    dc->props = adlib_properties;
+}
+
+static const TypeInfo adlib_info = {
+    .name          = TYPE_ADLIB,
+    .parent        = TYPE_ISA_DEVICE,
+    .instance_size = sizeof (AdlibState),
+    .class_init    = adlib_class_initfn,
+};
+
+static int Adlib_init (ISABus *bus)
+{
+    isa_create_simple (bus, TYPE_ADLIB);
+    return 0;
+}
+
+static void adlib_register_types (void)
+{
+    type_register_static (&adlib_info);
+    isa_register_soundhw("adlib", ADLIB_DESC, Adlib_init);
+}
+
+type_init (adlib_register_types)