* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
-#include "vl.h"
-
-#define LENOFA(a) ((int) (sizeof(a)/sizeof(a[0])))
+#include "hw.h"
+#include "audiodev.h"
+#include "audio/audio.h"
+#include "isa.h"
+#include "qdev.h"
+#include "qemu-timer.h"
+#include "host-utils.h"
#define dolog(...) AUD_log ("sb16", __VA_ARGS__)
static const char e3[] = "COPYRIGHT (C) CREATIVE TECHNOLOGY LTD, 1992.";
-static struct {
- int ver_lo;
- int ver_hi;
- int irq;
- int dma;
- int hdma;
- int port;
-} conf = {5, 4, 5, 1, 5, 0x220};
-
typedef struct SB16State {
+ ISADevice dev;
QEMUSoundCard card;
- int irq;
- int dma;
- int hdma;
- int port;
- int ver;
+ qemu_irq pic;
+ uint32_t irq;
+ uint32_t dma;
+ uint32_t hdma;
+ uint32_t port;
+ uint32_t ver;
int in_index;
int out_data_len;
{
SB16State *s = opaque;
s->can_write = 1;
- pic_set_irq (s->irq, 1);
+ qemu_irq_raise (s->pic);
}
#define DMA8_AUTO 1
#define DMA8_HIGH 2
+static void continue_dma8 (SB16State *s)
+{
+ if (s->freq > 0) {
+ struct audsettings as;
+
+ s->audio_free = 0;
+
+ as.freq = s->freq;
+ as.nchannels = 1 << s->fmt_stereo;
+ as.fmt = s->fmt;
+ as.endianness = 0;
+
+ s->voice = AUD_open_out (
+ &s->card,
+ s->voice,
+ "sb16",
+ s,
+ SB_audio_callback,
+ &as
+ );
+ }
+
+ control (s, 1);
+}
+
static void dma_cmd8 (SB16State *s, int mask, int dma_len)
{
s->fmt = AUD_FMT_U8;
s->fmt_signed = 0;
s->fmt_stereo = (s->mixer_regs[0x0e] & 2) != 0;
if (-1 == s->time_const) {
- s->freq = 11025;
+ if (s->freq <= 0)
+ s->freq = 11025;
}
else {
int tmp = (256 - s->time_const);
s->freq, s->fmt_stereo, s->fmt_signed, s->fmt_bits,
s->block_size, s->dma_auto, s->fifo, s->highspeed);
- if (s->freq) {
- audsettings_t as;
-
- s->audio_free = 0;
-
- as.freq = s->freq;
- as.nchannels = 1 << s->fmt_stereo;
- as.fmt = s->fmt;
-
- s->voice = AUD_open_out (
- &s->card,
- s->voice,
- "sb16",
- s,
- SB_audio_callback,
- &as,
- 0 /* little endian */
- );
- }
-
- control (s, 1);
+ continue_dma8 (s);
speaker (s, 1);
}
}
if (s->freq) {
- audsettings_t as;
+ struct audsettings as;
s->audio_free = 0;
as.freq = s->freq;
as.nchannels = 1 << s->fmt_stereo;
as.fmt = s->fmt;
+ as.endianness = 0;
s->voice = AUD_open_out (
&s->card,
"sb16",
s,
SB_audio_callback,
- &as,
- 0 /* little endian */
+ &as
);
}
break;
case 0x1c: /* Auto-Initialize DMA DAC, 8-bit */
- control (s, 1);
+ dma_cmd8 (s, DMA8_AUTO, -1);
break;
case 0x20: /* Direct ADC, Juice/PL */
break;
case 0xd4: /* continue DMA operation. 8bit */
- control (s, 1);
+ /* KQ6 (or maybe Sierras audblst.drv in general) resets
+ the frequency between halt/continue */
+ continue_dma8 (s);
break;
case 0xd5: /* halt DMA operation. 16bit */
case 0xf3:
dsp_out_data (s, 0xaa);
s->mixer_regs[0x82] |= (cmd == 0xf2) ? 1 : 2;
- pic_set_irq (s->irq, 1);
+ qemu_irq_raise (s->pic);
break;
case 0xf9:
freq = s->freq > 0 ? s->freq : 11025;
samples = dsp_get_lohi (s) + 1;
bytes = samples << s->fmt_stereo << (s->fmt_bits == 16);
- ticks = (bytes * ticks_per_sec) / freq;
- if (ticks < ticks_per_sec / 1024) {
- pic_set_irq (s->irq, 1);
+ ticks = muldiv64 (bytes, get_ticks_per_sec (), freq);
+ if (ticks < get_ticks_per_sec () / 1024) {
+ qemu_irq_raise (s->pic);
}
else {
if (s->aux_ts) {
qemu_mod_timer (
s->aux_ts,
- qemu_get_clock (vm_clock) + ticks
+ qemu_get_clock_ns (vm_clock) + ticks
);
}
}
- ldebug ("mix silence %d %d %lld\n", samples, bytes, ticks);
+ ldebug ("mix silence %d %d %" PRId64 "\n", samples, bytes, ticks);
}
break;
break;
case 0xe2:
+#ifdef DEBUG
d0 = dsp_get_data (s);
- ldebug ("E2 = %#x\n", d0);
+ dolog ("E2 = %#x\n", d0);
+#endif
break;
case 0xe4:
return;
}
+static void legacy_reset (SB16State *s)
+{
+ struct audsettings as;
+
+ s->freq = 11025;
+ s->fmt_signed = 0;
+ s->fmt_bits = 8;
+ s->fmt_stereo = 0;
+
+ as.freq = s->freq;
+ as.nchannels = 1;
+ as.fmt = AUD_FMT_U8;
+ as.endianness = 0;
+
+ s->voice = AUD_open_out (
+ &s->card,
+ s->voice,
+ "sb16",
+ s,
+ SB_audio_callback,
+ &as
+ );
+
+ /* Not sure about that... */
+ /* AUD_set_active_out (s->voice, 1); */
+}
+
static void reset (SB16State *s)
{
- pic_set_irq (s->irq, 0);
+ qemu_irq_lower (s->pic);
if (s->dma_auto) {
- pic_set_irq (s->irq, 1);
- pic_set_irq (s->irq, 0);
+ qemu_irq_raise (s->pic);
+ qemu_irq_lower (s->pic);
}
s->mixer_regs[0x82] = 0;
s->v2x6 = 0;
s->cmd = -1;
- dsp_out_data(s, 0xaa);
+ dsp_out_data (s, 0xaa);
speaker (s, 0);
control (s, 0);
+ legacy_reset (s);
}
static IO_WRITE_PROTO (dsp_write)
switch (val) {
case 0x00:
if (s->v2x6 == 1) {
- if (0 && s->highspeed) {
- s->highspeed = 0;
- pic_set_irq (s->irq, 0);
- control (s, 0);
- }
- else {
- reset (s);
- }
+ reset (s);
}
s->v2x6 = 0;
break;
if (s->mixer_regs[0x82] & 1) {
ack = 1;
s->mixer_regs[0x82] &= 1;
- pic_set_irq (s->irq, 0);
+ qemu_irq_lower (s->pic);
}
break;
if (s->mixer_regs[0x82] & 2) {
ack = 1;
s->mixer_regs[0x82] &= 2;
- pic_set_irq (s->irq, 0);
+ qemu_irq_lower (s->pic);
}
break;
}
}
-static IO_WRITE_PROTO(mixer_write_indexb)
+static IO_WRITE_PROTO (mixer_write_indexb)
{
SB16State *s = opaque;
(void) nport;
s->mixer_nreg = val;
}
-static IO_WRITE_PROTO(mixer_write_datab)
+static IO_WRITE_PROTO (mixer_write_datab)
{
SB16State *s = opaque;
{
int dma, hdma;
- dma = lsbindex (val & 0xf);
- hdma = lsbindex (val & 0xf0);
+ dma = ctz32 (val & 0xf);
+ hdma = ctz32 (val & 0xf0);
if (dma != s->dma || hdma != s->hdma) {
dolog (
"attempt to change DMA "
s->mixer_regs[s->mixer_nreg] = val;
}
-static IO_WRITE_PROTO(mixer_write_indexw)
+static IO_WRITE_PROTO (mixer_write_indexw)
{
mixer_write_indexb (opaque, nport, val & 0xff);
mixer_write_datab (opaque, nport, (val >> 8) & 0xff);
}
-static IO_READ_PROTO(mixer_read)
+static IO_READ_PROTO (mixer_read)
{
SB16State *s = opaque;
SB16State *s = opaque;
int till, copy, written, free;
+ if (s->block_size <= 0) {
+ dolog ("invalid block size=%d nchan=%d dma_pos=%d dma_len=%d\n",
+ s->block_size, nchan, dma_pos, dma_len);
+ return dma_pos;
+ }
+
if (s->left_till_irq < 0) {
s->left_till_irq = s->block_size;
}
if (s->left_till_irq <= 0) {
s->mixer_regs[0x82] |= (nchan & 4) ? 2 : 1;
- pic_set_irq (s->irq, 1);
+ qemu_irq_raise (s->pic);
if (0 == s->dma_auto) {
control (s, 0);
speaker (s, 0);
s->audio_free = free;
}
-static void SB_save (QEMUFile *f, void *opaque)
-{
- SB16State *s = opaque;
-
- qemu_put_be32s (f, &s->irq);
- qemu_put_be32s (f, &s->dma);
- qemu_put_be32s (f, &s->hdma);
- qemu_put_be32s (f, &s->port);
- qemu_put_be32s (f, &s->ver);
- qemu_put_be32s (f, &s->in_index);
- qemu_put_be32s (f, &s->out_data_len);
- qemu_put_be32s (f, &s->fmt_stereo);
- qemu_put_be32s (f, &s->fmt_signed);
- qemu_put_be32s (f, &s->fmt_bits);
- qemu_put_be32s (f, &s->fmt);
- qemu_put_be32s (f, &s->dma_auto);
- qemu_put_be32s (f, &s->block_size);
- qemu_put_be32s (f, &s->fifo);
- qemu_put_be32s (f, &s->freq);
- qemu_put_be32s (f, &s->time_const);
- qemu_put_be32s (f, &s->speaker);
- qemu_put_be32s (f, &s->needed_bytes);
- qemu_put_be32s (f, &s->cmd);
- qemu_put_be32s (f, &s->use_hdma);
- qemu_put_be32s (f, &s->highspeed);
- qemu_put_be32s (f, &s->can_write);
- qemu_put_be32s (f, &s->v2x6);
-
- qemu_put_8s (f, &s->csp_param);
- qemu_put_8s (f, &s->csp_value);
- qemu_put_8s (f, &s->csp_mode);
- qemu_put_8s (f, &s->csp_param);
- qemu_put_buffer (f, s->csp_regs, 256);
- qemu_put_8s (f, &s->csp_index);
- qemu_put_buffer (f, s->csp_reg83, 4);
- qemu_put_be32s (f, &s->csp_reg83r);
- qemu_put_be32s (f, &s->csp_reg83w);
-
- qemu_put_buffer (f, s->in2_data, sizeof (s->in2_data));
- qemu_put_buffer (f, s->out_data, sizeof (s->out_data));
- qemu_put_8s (f, &s->test_reg);
- qemu_put_8s (f, &s->last_read_byte);
-
- qemu_put_be32s (f, &s->nzero);
- qemu_put_be32s (f, &s->left_till_irq);
- qemu_put_be32s (f, &s->dma_running);
- qemu_put_be32s (f, &s->bytes_per_second);
- qemu_put_be32s (f, &s->align);
-
- qemu_put_be32s (f, &s->mixer_nreg);
- qemu_put_buffer (f, s->mixer_regs, 256);
-}
-
-static int SB_load (QEMUFile *f, void *opaque, int version_id)
+static int sb16_post_load (void *opaque, int version_id)
{
SB16State *s = opaque;
- if (version_id != 1) {
- return -EINVAL;
- }
-
- qemu_get_be32s (f, &s->irq);
- qemu_get_be32s (f, &s->dma);
- qemu_get_be32s (f, &s->hdma);
- qemu_get_be32s (f, &s->port);
- qemu_get_be32s (f, &s->ver);
- qemu_get_be32s (f, &s->in_index);
- qemu_get_be32s (f, &s->out_data_len);
- qemu_get_be32s (f, &s->fmt_stereo);
- qemu_get_be32s (f, &s->fmt_signed);
- qemu_get_be32s (f, &s->fmt_bits);
- qemu_get_be32s (f, &s->fmt);
- qemu_get_be32s (f, &s->dma_auto);
- qemu_get_be32s (f, &s->block_size);
- qemu_get_be32s (f, &s->fifo);
- qemu_get_be32s (f, &s->freq);
- qemu_get_be32s (f, &s->time_const);
- qemu_get_be32s (f, &s->speaker);
- qemu_get_be32s (f, &s->needed_bytes);
- qemu_get_be32s (f, &s->cmd);
- qemu_get_be32s (f, &s->use_hdma);
- qemu_get_be32s (f, &s->highspeed);
- qemu_get_be32s (f, &s->can_write);
- qemu_get_be32s (f, &s->v2x6);
-
- qemu_get_8s (f, &s->csp_param);
- qemu_get_8s (f, &s->csp_value);
- qemu_get_8s (f, &s->csp_mode);
- qemu_get_8s (f, &s->csp_param);
- qemu_get_buffer (f, s->csp_regs, 256);
- qemu_get_8s (f, &s->csp_index);
- qemu_get_buffer (f, s->csp_reg83, 4);
- qemu_get_be32s (f, &s->csp_reg83r);
- qemu_get_be32s (f, &s->csp_reg83w);
-
- qemu_get_buffer (f, s->in2_data, sizeof (s->in2_data));
- qemu_get_buffer (f, s->out_data, sizeof (s->out_data));
- qemu_get_8s (f, &s->test_reg);
- qemu_get_8s (f, &s->last_read_byte);
-
- qemu_get_be32s (f, &s->nzero);
- qemu_get_be32s (f, &s->left_till_irq);
- qemu_get_be32s (f, &s->dma_running);
- qemu_get_be32s (f, &s->bytes_per_second);
- qemu_get_be32s (f, &s->align);
-
- qemu_get_be32s (f, &s->mixer_nreg);
- qemu_get_buffer (f, s->mixer_regs, 256);
-
if (s->voice) {
AUD_close_out (&s->card, s->voice);
s->voice = NULL;
if (s->dma_running) {
if (s->freq) {
- audsettings_t as;
+ struct audsettings as;
s->audio_free = 0;
as.freq = s->freq;
as.nchannels = 1 << s->fmt_stereo;
as.fmt = s->fmt;
+ as.endianness = 0;
s->voice = AUD_open_out (
&s->card,
"sb16",
s,
SB_audio_callback,
- &as,
- 0 /* little endian */
+ &as
);
}
return 0;
}
-int SB16_init (AudioState *audio)
+static const VMStateDescription vmstate_sb16 = {
+ .name = "sb16",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .post_load = sb16_post_load,
+ .fields = (VMStateField []) {
+ VMSTATE_UINT32(irq, SB16State),
+ VMSTATE_UINT32(dma, SB16State),
+ VMSTATE_UINT32(hdma, SB16State),
+ VMSTATE_UINT32(port, SB16State),
+ VMSTATE_UINT32(ver, SB16State),
+ VMSTATE_INT32(in_index, SB16State),
+ VMSTATE_INT32(out_data_len, SB16State),
+ VMSTATE_INT32(fmt_stereo, SB16State),
+ VMSTATE_INT32(fmt_signed, SB16State),
+ VMSTATE_INT32(fmt_bits, SB16State),
+ VMSTATE_UINT32(fmt, SB16State),
+ VMSTATE_INT32(dma_auto, SB16State),
+ VMSTATE_INT32(block_size, SB16State),
+ VMSTATE_INT32(fifo, SB16State),
+ VMSTATE_INT32(freq, SB16State),
+ VMSTATE_INT32(time_const, SB16State),
+ VMSTATE_INT32(speaker, SB16State),
+ VMSTATE_INT32(needed_bytes, SB16State),
+ VMSTATE_INT32(cmd, SB16State),
+ VMSTATE_INT32(use_hdma, SB16State),
+ VMSTATE_INT32(highspeed, SB16State),
+ VMSTATE_INT32(can_write, SB16State),
+ VMSTATE_INT32(v2x6, SB16State),
+
+ VMSTATE_UINT8(csp_param, SB16State),
+ VMSTATE_UINT8(csp_value, SB16State),
+ VMSTATE_UINT8(csp_mode, SB16State),
+ VMSTATE_UINT8(csp_param, SB16State),
+ VMSTATE_BUFFER(csp_regs, SB16State),
+ VMSTATE_UINT8(csp_index, SB16State),
+ VMSTATE_BUFFER(csp_reg83, SB16State),
+ VMSTATE_INT32(csp_reg83r, SB16State),
+ VMSTATE_INT32(csp_reg83w, SB16State),
+
+ VMSTATE_BUFFER(in2_data, SB16State),
+ VMSTATE_BUFFER(out_data, SB16State),
+ VMSTATE_UINT8(test_reg, SB16State),
+ VMSTATE_UINT8(last_read_byte, SB16State),
+
+ VMSTATE_INT32(nzero, SB16State),
+ VMSTATE_INT32(left_till_irq, SB16State),
+ VMSTATE_INT32(dma_running, SB16State),
+ VMSTATE_INT32(bytes_per_second, SB16State),
+ VMSTATE_INT32(align, SB16State),
+
+ VMSTATE_INT32(mixer_nreg, SB16State),
+ VMSTATE_BUFFER(mixer_regs, SB16State),
+
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static int sb16_initfn (ISADevice *dev)
{
- SB16State *s;
- int i;
static const uint8_t dsp_write_ports[] = {0x6, 0xc};
static const uint8_t dsp_read_ports[] = {0x6, 0xa, 0xc, 0xd, 0xe, 0xf};
+ SB16State *s;
+ int i;
- if (!audio) {
- dolog ("No audio state\n");
- return -1;
- }
-
- s = qemu_mallocz (sizeof (*s));
- if (!s) {
- dolog ("Could not allocate memory for SB16 (%zu bytes)\n",
- sizeof (*s));
- return -1;
- }
+ s = DO_UPCAST (SB16State, dev, dev);
s->cmd = -1;
- s->irq = conf.irq;
- s->dma = conf.dma;
- s->hdma = conf.hdma;
- s->port = conf.port;
- s->ver = conf.ver_lo | (conf.ver_hi << 8);
+ isa_init_irq (dev, &s->pic, s->irq);
s->mixer_regs[0x80] = magic_of_irq (s->irq);
s->mixer_regs[0x81] = (1 << s->dma) | (1 << s->hdma);
s->csp_regs[9] = 0xf8;
reset_mixer (s);
- s->aux_ts = qemu_new_timer (vm_clock, aux_timer, s);
+ s->aux_ts = qemu_new_timer_ns (vm_clock, aux_timer, s);
if (!s->aux_ts) {
dolog ("warning: Could not create auxiliary timer\n");
}
- for (i = 0; i < LENOFA (dsp_write_ports); i++) {
+ for (i = 0; i < ARRAY_SIZE (dsp_write_ports); i++) {
register_ioport_write (s->port + dsp_write_ports[i], 1, 1, dsp_write, s);
+ isa_init_ioport(dev, s->port + dsp_write_ports[i]);
}
- for (i = 0; i < LENOFA (dsp_read_ports); i++) {
+ for (i = 0; i < ARRAY_SIZE (dsp_read_ports); i++) {
register_ioport_read (s->port + dsp_read_ports[i], 1, 1, dsp_read, s);
+ isa_init_ioport(dev, s->port + dsp_read_ports[i]);
}
register_ioport_write (s->port + 0x4, 1, 1, mixer_write_indexb, s);
register_ioport_write (s->port + 0x4, 1, 2, mixer_write_indexw, s);
+ isa_init_ioport(dev, s->port + 0x4);
register_ioport_read (s->port + 0x5, 1, 1, mixer_read, s);
register_ioport_write (s->port + 0x5, 1, 1, mixer_write_datab, s);
+ isa_init_ioport(dev, s->port + 0x5);
DMA_register_channel (s->hdma, SB_read_DMA, s);
DMA_register_channel (s->dma, SB_read_DMA, s);
s->can_write = 1;
- register_savevm ("sb16", 0, 1, SB_save, SB_load, s);
- AUD_register_card (audio, "sb16", &s->card);
+ AUD_register_card ("sb16", &s->card);
+ return 0;
+}
+
+int SB16_init (qemu_irq *pic)
+{
+ isa_create_simple ("sb16");
return 0;
}
+
+static ISADeviceInfo sb16_info = {
+ .qdev.name = "sb16",
+ .qdev.desc = "Creative Sound Blaster 16",
+ .qdev.size = sizeof (SB16State),
+ .qdev.vmsd = &vmstate_sb16,
+ .init = sb16_initfn,
+ .qdev.props = (Property[]) {
+ DEFINE_PROP_HEX32 ("version", SB16State, ver, 0x0405), /* 4.5 */
+ DEFINE_PROP_HEX32 ("iobase", SB16State, port, 0x220),
+ DEFINE_PROP_UINT32 ("irq", SB16State, irq, 5),
+ DEFINE_PROP_UINT32 ("dma", SB16State, dma, 1),
+ DEFINE_PROP_UINT32 ("dma16", SB16State, hdma, 5),
+ DEFINE_PROP_END_OF_LIST (),
+ },
+};
+
+static void sb16_register (void)
+{
+ isa_qdev_register (&sb16_info);
+}
+device_init (sb16_register)
projects / qemu.git / blobdiff