diff options
Diffstat (limited to 'hw/misc/macio/cuda.c')
| -rw-r--r-- | hw/misc/macio/cuda.c | 60 |
1 files changed, 28 insertions, 32 deletions
diff --git a/hw/misc/macio/cuda.c b/hw/misc/macio/cuda.c index 47aa3b0552..5bbc7770fa 100644 --- a/hw/misc/macio/cuda.c +++ b/hw/misc/macio/cuda.c @@ -116,6 +116,7 @@ static void cuda_update(CUDAState *s) { MOS6522CUDAState *mcs = &s->mos6522_cuda; MOS6522State *ms = MOS6522(mcs); + ADBBusState *adb_bus = &s->adb_bus; int packet_received, len; packet_received = 0; @@ -126,6 +127,9 @@ static void cuda_update(CUDAState *s) /* data output */ if ((ms->b & (TACK | TIP)) != (s->last_b & (TACK | TIP))) { if (s->data_out_index < sizeof(s->data_out)) { + if (s->data_out_index == 0) { + adb_autopoll_block(adb_bus); + } trace_cuda_data_send(ms->sr); s->data_out[s->data_out_index++] = ms->sr; cuda_delay_set_sr_int(s); @@ -140,6 +144,7 @@ static void cuda_update(CUDAState *s) /* indicate end of transfer */ if (s->data_in_index >= s->data_in_size) { ms->b = (ms->b | TREQ); + adb_autopoll_unblock(adb_bus); } cuda_delay_set_sr_int(s); } @@ -201,17 +206,16 @@ static void cuda_send_packet_to_host(CUDAState *s, static void cuda_adb_poll(void *opaque) { CUDAState *s = opaque; + ADBBusState *adb_bus = &s->adb_bus; uint8_t obuf[ADB_MAX_OUT_LEN + 2]; int olen; - olen = adb_poll(&s->adb_bus, obuf + 2, s->adb_poll_mask); + olen = adb_poll(adb_bus, obuf + 2, adb_bus->autopoll_mask); if (olen > 0) { obuf[0] = ADB_PACKET; obuf[1] = 0x40; /* polled data */ cuda_send_packet_to_host(s, obuf, olen + 2); } - timer_mod(s->adb_poll_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + - (NANOSECONDS_PER_SECOND / (1000 / s->autopoll_rate_ms))); } /* description of commands */ @@ -227,23 +231,16 @@ static bool cuda_cmd_autopoll(CUDAState *s, const uint8_t *in_data, int in_len, uint8_t *out_data, int *out_len) { - int autopoll; + ADBBusState *adb_bus = &s->adb_bus; + bool autopoll; if (in_len != 1) { return false; } - autopoll = (in_data[0] != 0); - if (autopoll != s->autopoll) { - s->autopoll = autopoll; - if (autopoll) { - timer_mod(s->adb_poll_timer, - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + - (NANOSECONDS_PER_SECOND / (1000 / s->autopoll_rate_ms))); - } else { - timer_del(s->adb_poll_timer); - } - } + autopoll = (in_data[0] != 0) ? true : false; + + adb_set_autopoll_enabled(adb_bus, autopoll); return true; } @@ -251,6 +248,8 @@ static bool cuda_cmd_set_autorate(CUDAState *s, const uint8_t *in_data, int in_len, uint8_t *out_data, int *out_len) { + ADBBusState *adb_bus = &s->adb_bus; + if (in_len != 1) { return false; } @@ -261,12 +260,7 @@ static bool cuda_cmd_set_autorate(CUDAState *s, return false; } - s->autopoll_rate_ms = in_data[0]; - if (s->autopoll) { - timer_mod(s->adb_poll_timer, - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + - (NANOSECONDS_PER_SECOND / (1000 / s->autopoll_rate_ms))); - } + adb_set_autopoll_rate_ms(adb_bus, in_data[0]); return true; } @@ -274,11 +268,16 @@ static bool cuda_cmd_set_device_list(CUDAState *s, const uint8_t *in_data, int in_len, uint8_t *out_data, int *out_len) { + ADBBusState *adb_bus = &s->adb_bus; + uint16_t mask; + if (in_len != 2) { return false; } - s->adb_poll_mask = (((uint16_t)in_data[0]) << 8) | in_data[1]; + mask = (((uint16_t)in_data[0]) << 8) | in_data[1]; + + adb_set_autopoll_mask(adb_bus, mask); return true; } @@ -489,8 +488,8 @@ static const MemoryRegionOps mos6522_cuda_ops = { static const VMStateDescription vmstate_cuda = { .name = "cuda", - .version_id = 5, - .minimum_version_id = 5, + .version_id = 6, + .minimum_version_id = 6, .fields = (VMStateField[]) { VMSTATE_STRUCT(mos6522_cuda.parent_obj, CUDAState, 0, vmstate_mos6522, MOS6522State), @@ -499,13 +498,9 @@ static const VMStateDescription vmstate_cuda = { VMSTATE_INT32(data_in_size, CUDAState), VMSTATE_INT32(data_in_index, CUDAState), VMSTATE_INT32(data_out_index, CUDAState), - VMSTATE_UINT8(autopoll, CUDAState), - VMSTATE_UINT8(autopoll_rate_ms, CUDAState), - VMSTATE_UINT16(adb_poll_mask, CUDAState), VMSTATE_BUFFER(data_in, CUDAState), VMSTATE_BUFFER(data_out, CUDAState), VMSTATE_UINT32(tick_offset, CUDAState), - VMSTATE_TIMER_PTR(adb_poll_timer, CUDAState), VMSTATE_TIMER_PTR(sr_delay_timer, CUDAState), VMSTATE_END_OF_LIST() } @@ -514,11 +509,13 @@ static const VMStateDescription vmstate_cuda = { static void cuda_reset(DeviceState *dev) { CUDAState *s = CUDA(dev); + ADBBusState *adb_bus = &s->adb_bus; s->data_in_size = 0; s->data_in_index = 0; s->data_out_index = 0; - s->autopoll = 0; + + adb_set_autopoll_enabled(adb_bus, false); } static void cuda_realize(DeviceState *dev, Error **errp) @@ -526,6 +523,7 @@ static void cuda_realize(DeviceState *dev, Error **errp) CUDAState *s = CUDA(dev); Error *err = NULL; SysBusDevice *sbd; + ADBBusState *adb_bus = &s->adb_bus; struct tm tm; sysbus_realize(SYS_BUS_DEVICE(&s->mos6522_cuda), &err); @@ -544,9 +542,7 @@ static void cuda_realize(DeviceState *dev, Error **errp) s->sr_delay_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, cuda_set_sr_int, s); s->sr_delay_ns = 20 * SCALE_US; - s->adb_poll_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, cuda_adb_poll, s); - s->adb_poll_mask = 0xffff; - s->autopoll_rate_ms = 20; + adb_register_autopoll_callback(adb_bus, cuda_adb_poll, s); } static void cuda_init(Object *obj) |