hw: move audio devices to hw/audio/, configure via default-configs/

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 0 insertions, 344 deletions

diff --git a/hw/milkymist-ac97.c b/hw/milkymist-ac97.c
deleted file mode 100644
index e08e9dca16..0000000000
--- a/hw/milkymist-ac97.c
+++ /dev/null
@@ -1,344 +0,0 @@
-/*
- *  QEMU model of the Milkymist System Controller.
- *
- *  Copyright (c) 2010 Michael Walle <michael@walle.cc>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>.
- *
- *
- * Specification available at:
- *   http://www.milkymist.org/socdoc/ac97.pdf
- */
-
-#include "hw/hw.h"
-#include "hw/sysbus.h"
-#include "trace.h"
-#include "audio/audio.h"
-#include "qemu/error-report.h"
-
-enum {
-    R_AC97_CTRL = 0,
-    R_AC97_ADDR,
-    R_AC97_DATAOUT,
-    R_AC97_DATAIN,
-    R_D_CTRL,
-    R_D_ADDR,
-    R_D_REMAINING,
-    R_RESERVED,
-    R_U_CTRL,
-    R_U_ADDR,
-    R_U_REMAINING,
-    R_MAX
-};
-
-enum {
-    AC97_CTRL_RQEN  = (1<<0),
-    AC97_CTRL_WRITE = (1<<1),
-};
-
-enum {
-    CTRL_EN = (1<<0),
-};
-
-struct MilkymistAC97State {
-    SysBusDevice busdev;
-    MemoryRegion regs_region;
-
-    QEMUSoundCard card;
-    SWVoiceIn *voice_in;
-    SWVoiceOut *voice_out;
-
-    uint32_t regs[R_MAX];
-
-    qemu_irq crrequest_irq;
-    qemu_irq crreply_irq;
-    qemu_irq dmar_irq;
-    qemu_irq dmaw_irq;
-};
-typedef struct MilkymistAC97State MilkymistAC97State;
-
-static void update_voices(MilkymistAC97State *s)
-{
-    if (s->regs[R_D_CTRL] & CTRL_EN) {
-        AUD_set_active_out(s->voice_out, 1);
-    } else {
-        AUD_set_active_out(s->voice_out, 0);
-    }
-
-    if (s->regs[R_U_CTRL] & CTRL_EN) {
-        AUD_set_active_in(s->voice_in, 1);
-    } else {
-        AUD_set_active_in(s->voice_in, 0);
-    }
-}
-
-static uint64_t ac97_read(void *opaque, hwaddr addr,
-                          unsigned size)
-{
-    MilkymistAC97State *s = opaque;
-    uint32_t r = 0;
-
-    addr >>= 2;
-    switch (addr) {
-    case R_AC97_CTRL:
-    case R_AC97_ADDR:
-    case R_AC97_DATAOUT:
-    case R_AC97_DATAIN:
-    case R_D_CTRL:
-    case R_D_ADDR:
-    case R_D_REMAINING:
-    case R_U_CTRL:
-    case R_U_ADDR:
-    case R_U_REMAINING:
-        r = s->regs[addr];
-        break;
-
-    default:
-        error_report("milkymist_ac97: read access to unknown register 0x"
-                TARGET_FMT_plx, addr << 2);
-        break;
-    }
-
-    trace_milkymist_ac97_memory_read(addr << 2, r);
-
-    return r;
-}
-
-static void ac97_write(void *opaque, hwaddr addr, uint64_t value,
-                       unsigned size)
-{
-    MilkymistAC97State *s = opaque;
-
-    trace_milkymist_ac97_memory_write(addr, value);
-
-    addr >>= 2;
-    switch (addr) {
-    case R_AC97_CTRL:
-        /* always raise an IRQ according to the direction */
-        if (value & AC97_CTRL_RQEN) {
-            if (value & AC97_CTRL_WRITE) {
-                trace_milkymist_ac97_pulse_irq_crrequest();
-                qemu_irq_pulse(s->crrequest_irq);
-            } else {
-                trace_milkymist_ac97_pulse_irq_crreply();
-                qemu_irq_pulse(s->crreply_irq);
-            }
-        }
-
-        /* RQEN is self clearing */
-        s->regs[addr] = value & ~AC97_CTRL_RQEN;
-        break;
-    case R_D_CTRL:
-    case R_U_CTRL:
-        s->regs[addr] = value;
-        update_voices(s);
-        break;
-    case R_AC97_ADDR:
-    case R_AC97_DATAOUT:
-    case R_AC97_DATAIN:
-    case R_D_ADDR:
-    case R_D_REMAINING:
-    case R_U_ADDR:
-    case R_U_REMAINING:
-        s->regs[addr] = value;
-        break;
-
-    default:
-        error_report("milkymist_ac97: write access to unknown register 0x"
-                TARGET_FMT_plx, addr);
-        break;
-    }
-
-}
-
-static const MemoryRegionOps ac97_mmio_ops = {
-    .read = ac97_read,
-    .write = ac97_write,
-    .valid = {
-        .min_access_size = 4,
-        .max_access_size = 4,
-    },
-    .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static void ac97_in_cb(void *opaque, int avail_b)
-{
-    MilkymistAC97State *s = opaque;
-    uint8_t buf[4096];
-    uint32_t remaining = s->regs[R_U_REMAINING];
-    int temp = audio_MIN(remaining, avail_b);
-    uint32_t addr = s->regs[R_U_ADDR];
-    int transferred = 0;
-
-    trace_milkymist_ac97_in_cb(avail_b, remaining);
-
-    /* prevent from raising an IRQ */
-    if (temp == 0) {
-        return;
-    }
-
-    while (temp) {
-        int acquired, to_copy;
-
-        to_copy = audio_MIN(temp, sizeof(buf));
-        acquired = AUD_read(s->voice_in, buf, to_copy);
-        if (!acquired) {
-            break;
-        }
-
-        cpu_physical_memory_write(addr, buf, acquired);
-
-        temp -= acquired;
-        addr += acquired;
-        transferred += acquired;
-    }
-
-    trace_milkymist_ac97_in_cb_transferred(transferred);
-
-    s->regs[R_U_ADDR] = addr;
-    s->regs[R_U_REMAINING] -= transferred;
-
-    if ((s->regs[R_U_CTRL] & CTRL_EN) && (s->regs[R_U_REMAINING] == 0)) {
-        trace_milkymist_ac97_pulse_irq_dmaw();
-        qemu_irq_pulse(s->dmaw_irq);
-    }
-}
-
-static void ac97_out_cb(void *opaque, int free_b)
-{
-    MilkymistAC97State *s = opaque;
-    uint8_t buf[4096];
-    uint32_t remaining = s->regs[R_D_REMAINING];
-    int temp = audio_MIN(remaining, free_b);
-    uint32_t addr = s->regs[R_D_ADDR];
-    int transferred = 0;
-
-    trace_milkymist_ac97_out_cb(free_b, remaining);
-
-    /* prevent from raising an IRQ */
-    if (temp == 0) {
-        return;
-    }
-
-    while (temp) {
-        int copied, to_copy;
-
-        to_copy = audio_MIN(temp, sizeof(buf));
-        cpu_physical_memory_read(addr, buf, to_copy);
-        copied = AUD_write(s->voice_out, buf, to_copy);
-        if (!copied) {
-            break;
-        }
-        temp -= copied;
-        addr += copied;
-        transferred += copied;
-    }
-
-    trace_milkymist_ac97_out_cb_transferred(transferred);
-
-    s->regs[R_D_ADDR] = addr;
-    s->regs[R_D_REMAINING] -= transferred;
-
-    if ((s->regs[R_D_CTRL] & CTRL_EN) && (s->regs[R_D_REMAINING] == 0)) {
-        trace_milkymist_ac97_pulse_irq_dmar();
-        qemu_irq_pulse(s->dmar_irq);
-    }
-}
-
-static void milkymist_ac97_reset(DeviceState *d)
-{
-    MilkymistAC97State *s = container_of(d, MilkymistAC97State, busdev.qdev);
-    int i;
-
-    for (i = 0; i < R_MAX; i++) {
-        s->regs[i] = 0;
-    }
-
-    AUD_set_active_in(s->voice_in, 0);
-    AUD_set_active_out(s->voice_out, 0);
-}
-
-static int ac97_post_load(void *opaque, int version_id)
-{
-    MilkymistAC97State *s = opaque;
-
-    update_voices(s);
-
-    return 0;
-}
-
-static int milkymist_ac97_init(SysBusDevice *dev)
-{
-    MilkymistAC97State *s = FROM_SYSBUS(typeof(*s), dev);
-
-    struct audsettings as;
-    sysbus_init_irq(dev, &s->crrequest_irq);
-    sysbus_init_irq(dev, &s->crreply_irq);
-    sysbus_init_irq(dev, &s->dmar_irq);
-    sysbus_init_irq(dev, &s->dmaw_irq);
-
-    AUD_register_card("Milkymist AC'97", &s->card);
-
-    as.freq = 48000;
-    as.nchannels = 2;
-    as.fmt = AUD_FMT_S16;
-    as.endianness = 1;
-
-    s->voice_in = AUD_open_in(&s->card, s->voice_in,
-            "mm_ac97.in", s, ac97_in_cb, &as);
-    s->voice_out = AUD_open_out(&s->card, s->voice_out,
-            "mm_ac97.out", s, ac97_out_cb, &as);
-
-    memory_region_init_io(&s->regs_region, &ac97_mmio_ops, s,
-            "milkymist-ac97", R_MAX * 4);
-    sysbus_init_mmio(dev, &s->regs_region);
-
-    return 0;
-}
-
-static const VMStateDescription vmstate_milkymist_ac97 = {
-    .name = "milkymist-ac97",
-    .version_id = 1,
-    .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .post_load = ac97_post_load,
-    .fields      = (VMStateField[]) {
-        VMSTATE_UINT32_ARRAY(regs, MilkymistAC97State, R_MAX),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static void milkymist_ac97_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
-
-    k->init = milkymist_ac97_init;
-    dc->reset = milkymist_ac97_reset;
-    dc->vmsd = &vmstate_milkymist_ac97;
-}
-
-static const TypeInfo milkymist_ac97_info = {
-    .name          = "milkymist-ac97",
-    .parent        = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(MilkymistAC97State),
-    .class_init    = milkymist_ac97_class_init,
-};
-
-static void milkymist_ac97_register_types(void)
-{
-    type_register_static(&milkymist_ac97_info);
-}
-
-type_init(milkymist_ac97_register_types)