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Merge pull request #472 from kanoi/master

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avalon allow frequency to be set via the API
This commit is contained in:
kanoi 2013-08-07 07:21:27 -07:00
commit 18b60c4ed1
2 changed files with 40 additions and 6 deletions
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1
API-README
View File

@ -405,6 +405,7 @@ The list of requests - a (*) means it requires privileged access - and replies a
help message about the options available
The current options are:
AVA+BTB opt=freq val=256 to 450 - chip frequency
BTB opt=millivolts val=1000 to 1310 - core voltage
When you enable, disable or restart a GPU, PGA or ASC, you will also get

45
driver-avalon.c
View File

@ -918,6 +918,21 @@ static void avalon_set_timeout(struct avalon_info *info)
info->timeout = AVALON_TIMEOUT_FACTOR / info->frequency;
}
static void avalon_set_freq(struct cgpu_info *avalon, int frequency)
{
struct avalon_info *info = avalon->device_data;
info->frequency = frequency;
if (info->frequency > opt_avalon_freq_max)
info->frequency = opt_avalon_freq_max;
if (info->frequency < opt_avalon_freq_min)
info->frequency = opt_avalon_freq_min;
avalon_set_timeout(info);
applog(LOG_WARNING, "%s%i: Set frequency to %d, timeout %d",
avalon->drv->name, avalon->device_id,
info->frequency, info->timeout);
}
static void avalon_inc_freq(struct avalon_info *info)
{
info->frequency += 2;
@ -1376,18 +1391,19 @@ static char *avalon_set_device(struct cgpu_info *avalon, char *option, char *set
{
int val;
if (usb_ident(avalon) != IDENT_BTB) {
sprintf(replybuf, "%s has no set options", avalon->drv->name);
return replybuf;
}
if (strcasecmp(option, "help") == 0) {
sprintf(replybuf, "millivolts: range %d-%d",
sprintf(replybuf, "freq: range %d-%d millivolts: range %d-%d",
AVALON_MIN_FREQUENCY, AVALON_MAX_FREQUENCY,
BITBURNER_MIN_COREMV, BITBURNER_MAX_COREMV);
return replybuf;
}
if (strcasecmp(option, "millivolts") == 0 || strcasecmp(option, "mv") == 0) {
if (usb_ident(avalon) != IDENT_BTB) {
sprintf(replybuf, "%s cannot set millivolts", avalon->drv->name);
return replybuf;
}
if (!setting || !*setting) {
sprintf(replybuf, "missing millivolts setting");
return replybuf;
@ -1408,6 +1424,23 @@ static char *avalon_set_device(struct cgpu_info *avalon, char *option, char *set
}
}
if (strcasecmp(option, "freq") == 0) {
if (!setting || !*setting) {
sprintf(replybuf, "missing freq setting");
return replybuf;
}
val = atoi(setting);
if (val < AVALON_MIN_FREQUENCY || val > AVALON_MAX_FREQUENCY) {
sprintf(replybuf, "invalid freq: '%s' valid range %d-%d",
setting, AVALON_MIN_FREQUENCY, AVALON_MAX_FREQUENCY);
return replybuf;
}
avalon_set_freq(avalon, val);
return NULL;
}
sprintf(replybuf, "Unknown option: %s", option);
return replybuf;
}