*/
#include "qemu/osdep.h"
-#include "qemu/atomic.h"
#include "hw/hw.h"
#include "hw/pci/pci.h"
#include "intel-hda.h"
}
switch (format & AC_FMT_BITS_MASK) {
- case AC_FMT_BITS_8: as->fmt = AUD_FMT_S8; break;
- case AC_FMT_BITS_16: as->fmt = AUD_FMT_S16; break;
- case AC_FMT_BITS_32: as->fmt = AUD_FMT_S32; break;
+ case AC_FMT_BITS_8: as->fmt = AUDIO_FORMAT_S8; break;
+ case AC_FMT_BITS_16: as->fmt = AUDIO_FORMAT_S16; break;
+ case AC_FMT_BITS_32: as->fmt = AUDIO_FORMAT_S32; break;
}
as->nchannels = ((format & AC_FMT_CHAN_MASK) >> AC_FMT_CHAN_SHIFT) + 1;
/* -------------------------------------------------------------------------- */
static const char *fmt2name[] = {
- [ AUD_FMT_U8 ] = "PCM-U8",
- [ AUD_FMT_S8 ] = "PCM-S8",
- [ AUD_FMT_U16 ] = "PCM-U16",
- [ AUD_FMT_S16 ] = "PCM-S16",
- [ AUD_FMT_U32 ] = "PCM-U32",
- [ AUD_FMT_S32 ] = "PCM-S32",
+ [ AUDIO_FORMAT_U8 ] = "PCM-U8",
+ [ AUDIO_FORMAT_S8 ] = "PCM-S8",
+ [ AUDIO_FORMAT_U16 ] = "PCM-U16",
+ [ AUDIO_FORMAT_S16 ] = "PCM-S16",
+ [ AUDIO_FORMAT_U32 ] = "PCM-U32",
+ [ AUDIO_FORMAT_S32 ] = "PCM-S32",
};
typedef struct HDAAudioState HDAAudioState;
static inline int64_t hda_bytes_per_second(HDAAudioStream *st)
{
- return 2 * st->as.nchannels * st->as.freq;
+ return 2LL * st->as.nchannels * st->as.freq;
}
static inline void hda_timer_sync_adjust(HDAAudioStream *st, int64_t target_pos)
if (target_pos < -limit) {
corr = -HDA_TIMER_TICKS;
}
+ if (target_pos < -(2 * limit)) {
+ corr = -(4 * HDA_TIMER_TICKS);
+ }
if (corr == 0) {
return;
}
trace_hda_audio_adjust(st->node->name, target_pos);
- atomic_fetch_add(&st->buft_start, corr);
+ st->buft_start += corr;
}
static void hda_audio_input_timer(void *opaque)
int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
- int64_t buft_start = atomic_fetch_add(&st->buft_start, 0);
- int64_t wpos = atomic_fetch_add(&st->wpos, 0);
- int64_t rpos = atomic_fetch_add(&st->rpos, 0);
+ int64_t buft_start = st->buft_start;
+ int64_t wpos = st->wpos;
+ int64_t rpos = st->rpos;
int64_t wanted_rpos = hda_bytes_per_second(st) * (now - buft_start)
/ NANOSECONDS_PER_SECOND;
}
rpos += chunk;
to_transfer -= chunk;
- atomic_fetch_add(&st->rpos, chunk);
+ st->rpos += chunk;
}
out_timer:
{
HDAAudioStream *st = opaque;
- int64_t wpos = atomic_fetch_add(&st->wpos, 0);
- int64_t rpos = atomic_fetch_add(&st->rpos, 0);
+ int64_t wpos = st->wpos;
+ int64_t rpos = st->rpos;
int64_t to_transfer = audio_MIN(B_SIZE - (wpos - rpos), avail);
uint32_t read = AUD_read(st->voice.in, st->buf + start, chunk);
wpos += read;
to_transfer -= read;
- atomic_fetch_add(&st->wpos, read);
+ st->wpos += read;
if (chunk != read) {
break;
}
int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
- int64_t buft_start = atomic_fetch_add(&st->buft_start, 0);
- int64_t wpos = atomic_fetch_add(&st->wpos, 0);
- int64_t rpos = atomic_fetch_add(&st->rpos, 0);
+ int64_t buft_start = st->buft_start;
+ int64_t wpos = st->wpos;
+ int64_t rpos = st->rpos;
int64_t wanted_wpos = hda_bytes_per_second(st) * (now - buft_start)
/ NANOSECONDS_PER_SECOND;
}
wpos += chunk;
to_transfer -= chunk;
- atomic_fetch_add(&st->wpos, chunk);
+ st->wpos += chunk;
}
out_timer:
{
HDAAudioStream *st = opaque;
- int64_t wpos = atomic_fetch_add(&st->wpos, 0);
- int64_t rpos = atomic_fetch_add(&st->rpos, 0);
+ int64_t wpos = st->wpos;
+ int64_t rpos = st->rpos;
int64_t to_transfer = audio_MIN(wpos - rpos, avail);
uint32_t written = AUD_write(st->voice.out, st->buf + start, chunk);
rpos += written;
to_transfer -= written;
- atomic_fetch_add(&st->rpos, written);
+ st->rpos += written;
if (chunk != written) {
break;
}
static bool vmstate_hda_audio_stream_buf_needed(void *opaque)
{
HDAAudioStream *st = opaque;
- return st->state->use_timer;
+ return st->state && st->state->use_timer;
}
static const VMStateDescription vmstate_hda_audio_stream_buf = {