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Abstract out the bitfury open close and reset functions and use them on reinit.

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This commit is contained in:
Con Kolivas 2013-09-26 07:37:19 +10:00
parent 435065c86b
commit 1b40d9023d
1 changed files with 62 additions and 39 deletions
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101
driver-bitfury.c
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@ -17,18 +17,6 @@
#define BF1WAIT 1600
struct device_drv bitfury_drv;
static void bitfury_open(struct cgpu_info *bitfury)
{
/* Magic open sequence */
usb_transfer(bitfury, 0x21, 0x22, 0x0003, 0, C_BF1_OPEN);
}
static void bitfury_close(struct cgpu_info *bitfury)
{
/* Magic close sequence */
usb_transfer(bitfury, 0x21, 0x22, 0, 0, C_BF1_CLOSE);
}
static void bitfury_empty_buffer(struct cgpu_info *bitfury)
{
char buf[512];
@ -39,6 +27,19 @@ static void bitfury_empty_buffer(struct cgpu_info *bitfury)
} while (amount);
}
static void bitfury_open(struct cgpu_info *bitfury)
{
/* Magic open sequence */
usb_transfer(bitfury, 0x21, 0x22, 0x0003, 0, C_BF1_OPEN);
}
static void bitfury_close(struct cgpu_info *bitfury)
{
bitfury_empty_buffer(bitfury);
/* Magic close sequence */
usb_transfer(bitfury, 0x21, 0x22, 0, 0, C_BF1_CLOSE);
}
static void bitfury_identify(struct cgpu_info *bitfury)
{
int amount;
@ -46,12 +47,51 @@ static void bitfury_identify(struct cgpu_info *bitfury)
usb_write(bitfury, "L", 1, &amount, C_PING);
}
static bool bitfury_getinfo(struct cgpu_info *bitfury, struct bitfury_info *info)
{
char buf[512];
int amount;
usb_write(bitfury, "I", 1, &amount, C_BF1_REQINFO);
usb_read(bitfury, buf, 14, &amount, C_BF1_GETINFO);
if (amount != 14) {
applog(LOG_INFO, "%s%d: Getinfo received %d bytes",
bitfury->drv->name, bitfury->device_id, amount);
return false;
}
info->version = buf[1];
memcpy(&info->product, buf + 2, 8);
memcpy(&info->serial, buf + 10, 4);
applog(LOG_INFO, "%s%d: Getinfo returned version %d, product %s serial %08x", bitfury->drv->name,
bitfury->device_id, info->version, info->product, info->serial);
bitfury_empty_buffer(bitfury);
return true;
}
static bool bitfury_reset(struct cgpu_info *bitfury)
{
char buf[512];
int amount;
usb_write(bitfury, "R", 1, &amount, C_BF1_REQRESET);
usb_read_timeout(bitfury, buf, 7, &amount, BF1WAIT, C_BF1_GETRESET);
if (amount != 7) {
applog(LOG_INFO, "%s%d: Getreset received %d bytes",
bitfury->drv->name, bitfury->device_id, amount);
return false;
}
applog(LOG_INFO, "%s%d: Getreset returned %s", bitfury->drv->name,
bitfury->device_id, buf);
bitfury_empty_buffer(bitfury);
return true;
}
static bool bitfury_detect_one(struct libusb_device *dev, struct usb_find_devices *found)
{
struct cgpu_info *bitfury;
struct bitfury_info *info;
char buf[512];
int amount;
bitfury = usb_alloc_cgpu(&bitfury_drv, 1);
@ -73,39 +113,19 @@ static bool bitfury_detect_one(struct libusb_device *dev, struct usb_find_device
bitfury_open(bitfury);
/* Send getinfo request */
usb_write(bitfury, "I", 1, &amount, C_BF1_REQINFO);
usb_read(bitfury, buf, 14, &amount, C_BF1_GETINFO);
if (amount != 14) {
applog(LOG_WARNING, "%s%d: Getinfo received %d bytes",
bitfury->drv->name, bitfury->device_id, amount);
if (!bitfury_getinfo(bitfury, info))
goto out_close;
}
info->version = buf[1];
memcpy(&info->product, buf + 2, 8);
memcpy(&info->serial, buf + 10, 4);
applog(LOG_INFO, "%s%d: Getinfo returned version %d, product %s serial %08x", bitfury->drv->name,
bitfury->device_id, info->version, info->product, info->serial);
bitfury_empty_buffer(bitfury);
/* Send reset request */
usb_write(bitfury, "R", 1, &amount, C_BF1_REQRESET);
usb_read_timeout(bitfury, buf, 7, &amount, BF1WAIT, C_BF1_GETRESET);
if (amount != 7) {
applog(LOG_WARNING, "%s%d: Getreset received %d bytes",
bitfury->drv->name, bitfury->device_id, amount);
if (!bitfury_reset(bitfury))
goto out_close;
}
applog(LOG_INFO, "%s%d: Getreset returned %s", bitfury->drv->name,
bitfury->device_id, buf);
bitfury_empty_buffer(bitfury);
bitfury_identify(bitfury);
bitfury_empty_buffer(bitfury);
if (!add_cgpu(bitfury))
goto out_close;
update_usb_stats(bitfury);
applog(LOG_INFO, "%s%d: Found at %s",
bitfury->drv->name, bitfury->device_id, bitfury->device_path);
@ -241,11 +261,14 @@ static struct api_data *bitfury_api_stats(struct cgpu_info __maybe_unused *cgpu)
return NULL;
}
static void bitfury_init(struct cgpu_info __maybe_unused *bitfury)
static void bitfury_init(struct cgpu_info *bitfury)
{
bitfury_close(bitfury);
bitfury_open(bitfury);
bitfury_reset(bitfury);
}
static void bitfury_shutdown(struct thr_info __maybe_unused *thr)
static void bitfury_shutdown(struct thr_info *thr)
{
struct cgpu_info *bitfury = thr->cgpu;