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cuda: port SET_AUTO_RATE command to new framework 

Also implement the command, by removing the hardcoded period of 20 ms/50 Hz
and replacing it by the one requested by user.
Update VMState version to store this new parameter.

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Hervé Poussineau 2016-02-07 21:34:07 +01:00 committed by David Gibson
parent 1cdab10446
commit 374312e7c5
2 changed files with 31 additions and 6 deletions
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36
hw/misc/macio/cuda.c
View File

@ -106,7 +106,6 @@
#define CUDA_COMBINED_FORMAT_IIC 0x25
#define CUDA_TIMER_FREQ (4700000 / 6)
#define CUDA_ADB_POLL_FREQ 50
/* CUDA returns time_t's offset from Jan 1, 1904, not 1970 */
#define RTC_OFFSET 2082844800
@ -532,7 +531,7 @@ static void cuda_adb_poll(void *opaque)
}
timer_mod(s->adb_poll_timer,
qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
(get_ticks_per_sec() / CUDA_ADB_POLL_FREQ));
(get_ticks_per_sec() / (1000 / s->autopoll_rate_ms)));
}
/* description of commands */
@ -560,7 +559,7 @@ static bool cuda_cmd_autopoll(CUDAState *s,
if (autopoll) {
timer_mod(s->adb_poll_timer,
qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
(get_ticks_per_sec() / CUDA_ADB_POLL_FREQ));
(get_ticks_per_sec() / (1000 / s->autopoll_rate_ms)));
} else {
timer_del(s->adb_poll_timer);
}
@ -568,8 +567,32 @@ static bool cuda_cmd_autopoll(CUDAState *s,
return true;
}
static bool cuda_cmd_set_autorate(CUDAState *s,
const uint8_t *in_data, int in_len,
uint8_t *out_data, int *out_len)
{
if (in_len != 1) {
return false;
}
/* we don't want a period of 0 ms */
/* FIXME: check what real hardware does */
if (in_data[0] == 0) {
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) +
(get_ticks_per_sec() / (1000 / s->autopoll_rate_ms)));
}
return true;
}
static const CudaCommand handlers[] = {
{ CUDA_AUTOPOLL, "AUTOPOLL", cuda_cmd_autopoll },
{ CUDA_SET_AUTO_RATE, "SET_AUTO_RATE", cuda_cmd_set_autorate },
};
static void cuda_receive_packet(CUDAState *s,
@ -619,7 +642,6 @@ static void cuda_receive_packet(CUDAState *s,
return;
case CUDA_FILE_SERVER_FLAG:
case CUDA_SET_DEVICE_LIST:
case CUDA_SET_AUTO_RATE:
case CUDA_SET_POWER_MESSAGES:
cuda_send_packet_to_host(s, obuf, 3);
return;
@ -756,8 +778,8 @@ static const VMStateDescription vmstate_cuda_timer = {
static const VMStateDescription vmstate_cuda = {
.name = "cuda",
.version_id = 3,
.minimum_version_id = 3,
.version_id = 4,
.minimum_version_id = 4,
.fields = (VMStateField[]) {
VMSTATE_UINT8(a, CUDAState),
VMSTATE_UINT8(b, CUDAState),
@ -775,6 +797,7 @@ static const VMStateDescription vmstate_cuda = {
VMSTATE_INT32(data_in_index, CUDAState),
VMSTATE_INT32(data_out_index, CUDAState),
VMSTATE_UINT8(autopoll, CUDAState),
VMSTATE_UINT8(autopoll_rate_ms, CUDAState),
VMSTATE_BUFFER(data_in, CUDAState),
VMSTATE_BUFFER(data_out, CUDAState),
VMSTATE_UINT32(tick_offset, CUDAState),
@ -828,6 +851,7 @@ static void cuda_realizefn(DeviceState *dev, Error **errp)
s->tick_offset = (uint32_t)mktimegm(&tm) + RTC_OFFSET;
s->adb_poll_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, cuda_adb_poll, s);
s->autopoll_rate_ms = 20;
}
static void cuda_initfn(Object *obj)

1
hw/ppc/mac.h
View File

@ -111,6 +111,7 @@ typedef struct CUDAState {
int data_out_index;
qemu_irq irq;
uint8_t autopoll_rate_ms;
uint8_t autopoll;
uint8_t data_in[128];
uint8_t data_out[16];