static bool hfa_initialise(struct cgpu_info *hashfast)
{
int err;
if (hashfast->usbinfo.nodev)
return false;
hfa_clear_readbuf(hashfast);
err = usb_transfer(hashfast, 0, 9, 1, 0, C_ATMEL_RESET);
if (!err)
err = usb_transfer(hashfast, 0x21, 0x22, 0, 0, C_ATMEL_OPEN);
if (!err) {
uint32_t buf[2];
/* Magic sequence to reset device only really needed for windows
* but harmless on linux. */
buf[0] = 0x80250000;
buf[1] = 0x00000800;
err = usb_transfer_data(hashfast, 0x21, 0x20, 0x0000, 0, buf,
7, C_ATMEL_INIT);
}
if (err < 0) {
applog(LOG_INFO, "HFA %d: Failed to open with error %s",
hashfast->device_id, libusb_error_name(err));
}
/* Must have transmitted init sequence sized buffer */
return (err == 7);
}
static bool hfa_detect_common(struct cgpu_info *hashfast)
{
struct hashfast_info *info;
bool ret;
info = calloc(sizeof(struct hashfast_info), 1);
if (!info)
quit(1, "Failed to calloc hashfast_info in hfa_detect_common");
hashfast->device_data = info;
/* hashfast_reset should fill in details for info */
ret = hfa_reset(hashfast, info);
if (!ret) {
hfa_send_shutdown(hashfast);
hfa_clear_readbuf(hashfast);
free(info);
hashfast->device_data = NULL;
return false;
}
// The per-die status array
info->die_status = calloc(info->asic_count, sizeof(struct hf_g1_die_data));
if (unlikely(!(info->die_status)))
quit(1, "Failed to calloc die_status");
// The per-die statistics array
info->die_statistics = calloc(info->asic_count, sizeof(struct hf_long_statistics));
if (unlikely(!(info->die_statistics)))
quit(1, "Failed to calloc die_statistics");
info->works = calloc(sizeof(struct work *), info->num_sequence);
if (!info->works)
quit(1, "Failed to calloc info works in hfa_detect_common");
return true;
}
static void hfa_shutdown(struct thr_info *thr)
{
struct cgpu_info *hashfast = thr->cgpu;
struct hashfast_info *info = hashfast->device_data;
hfa_send_shutdown(hashfast);
pthread_join(info->read_thr, NULL);
hfa_free_all_work(info);
hfa_clear_readbuf(hashfast);
free(info->works);
free(info->die_statistics);
free(info->die_status);
free(info);
}
static void hfa_shutdown(struct thr_info *thr)
{
struct cgpu_info *hashfast = thr->cgpu;
struct hashfast_info *info = hashfast->device_data;
hfa_send_shutdown(hashfast);
pthread_join(info->read_thr, NULL);
hfa_free_all_work(info);
hfa_clear_readbuf(hashfast);
free(info->works);
free(info->die_statistics);
free(info->die_status);
/* Don't free info here since it will be accessed by statline before
* if a device is removed. */
}
