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mac_via: convert to use ADBBusState internal autopoll variables

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Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Tested-by: Finn Thain <fthain@telegraphics.com.au>
Acked-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20200623204936.24064-11-mark.cave-ayland@ilande.co.uk>
This commit is contained in:
Mark Cave-Ayland 2020-06-23 21:49:24 +01:00
parent df381d584c
commit f3d61457e8
2 changed files with 10 additions and 13 deletions
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22
hw/misc/mac_via.c
View File

@ -601,6 +601,8 @@ static void via1_rtc_update(MacVIAState *m)
static int adb_via_poll(MacVIAState *s, int state, uint8_t *data)
{
ADBBusState *adb_bus = &s->adb_bus;
if (state != ADB_STATE_IDLE) {
return 0;
}
@ -615,7 +617,8 @@ static int adb_via_poll(MacVIAState *s, int state, uint8_t *data)
s->adb_data_in_index = 0;
s->adb_data_out_index = 0;
s->adb_data_in_size = adb_poll(&s->adb_bus, s->adb_data_in, 0xffff);
s->adb_data_in_size = adb_poll(adb_bus, s->adb_data_in,
adb_bus->autopoll_mask);
if (s->adb_data_in_size) {
*data = s->adb_data_in[s->adb_data_in_index++];
@ -768,10 +771,6 @@ static void via_adb_poll(void *opaque)
s->b &= ~VIA1B_vADBInt;
}
}
timer_mod(m->adb_poll_timer,
qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
(NANOSECONDS_PER_SECOND / VIA_ADB_POLL_FREQ));
}
static uint64_t mos6522_q800_via1_read(void *opaque, hwaddr addr, unsigned size)
@ -854,10 +853,9 @@ static void mac_via_reset(DeviceState *dev)
{
MacVIAState *m = MAC_VIA(dev);
MOS6522Q800VIA1State *v1s = &m->mos6522_via1;
ADBBusState *adb_bus = &m->adb_bus;
timer_mod(m->adb_poll_timer,
qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
(NANOSECONDS_PER_SECOND / VIA_ADB_POLL_FREQ));
adb_set_autopoll_enabled(adb_bus, true);
timer_del(v1s->VBL_timer);
v1s->next_VBL = 0;
@ -872,6 +870,7 @@ static void mac_via_realize(DeviceState *dev, Error **errp)
{
MacVIAState *m = MAC_VIA(dev);
MOS6522State *ms;
ADBBusState *adb_bus = &m->adb_bus;
struct tm tm;
int ret;
@ -907,7 +906,7 @@ static void mac_via_realize(DeviceState *dev, Error **errp)
qemu_get_timedate(&tm, 0);
m->tick_offset = (uint32_t)mktimegm(&tm) + RTC_OFFSET;
m->adb_poll_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, via_adb_poll, m);
adb_register_autopoll_callback(adb_bus, via_adb_poll, m);
m->adb_data_ready = qdev_get_gpio_in_named(dev, "via1-irq",
VIA1_IRQ_ADB_READY_BIT);
@ -980,8 +979,8 @@ static int mac_via_post_load(void *opaque, int version_id)
static const VMStateDescription vmstate_mac_via = {
.name = "mac-via",
.version_id = 1,
.minimum_version_id = 1,
.version_id = 2,
.minimum_version_id = 2,
.post_load = mac_via_post_load,
.fields = (VMStateField[]) {
/* VIAs */
@ -1005,7 +1004,6 @@ static const VMStateDescription vmstate_mac_via = {
VMSTATE_INT32(wprotect, MacVIAState),
VMSTATE_INT32(alt, MacVIAState),
/* ADB */
VMSTATE_TIMER_PTR(adb_poll_timer, MacVIAState),
VMSTATE_INT32(adb_data_in_size, MacVIAState),
VMSTATE_INT32(adb_data_in_index, MacVIAState),
VMSTATE_INT32(adb_data_out_index, MacVIAState),

1
include/hw/misc/mac_via.h
View File

@ -106,7 +106,6 @@ typedef struct MacVIAState {
/* ADB */
ADBBusState adb_bus;
QEMUTimer *adb_poll_timer;
qemu_irq adb_data_ready;
int adb_data_in_size;
int adb_data_in_index;