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@ -122,6 +122,41 @@ static const struct hf_cmd hf_cmds[] = {
@@ -122,6 +122,41 @@ static const struct hf_cmd hf_cmds[] = {
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{OP_CLOCKGATE, "OP_CLOCKGATE", C_HF_CLOCKGATE} |
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}; |
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/* Send an arbitrary frame, consisting of an 8 byte header and an optional
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* packet body. */ |
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static int __maybe_unused hashfast_send_frame(struct cgpu_info *hashfast, uint8_t opcode, |
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uint8_t chip, uint8_t core, uint16_t hdata, |
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uint8_t *data, int len) |
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{ |
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int tx_length, ret, amount, id = hashfast->device_id; |
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uint8_t packet[256]; |
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struct hf_header *p = (struct hf_header *)packet; |
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p->preamble = HF_PREAMBLE; |
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p->operation_code = opcode; |
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p->chip_address = chip; |
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p->core_address = core; |
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p->hdata = htole16(hdata); |
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p->data_length = len / 4; |
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p->crc8 = hf_crc8(packet); |
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tx_length = sizeof(struct hf_header); |
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if (len) { |
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memcpy(&packet[sizeof(struct hf_header)], data, len); |
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hf_crc32(&packet[sizeof(struct hf_header)], len, 1); |
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tx_length += len + 4; |
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} |
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ret = usb_write(hashfast, (char *)packet, tx_length, &amount, |
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hf_cmds[opcode].usb_cmd); |
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if (ret < 0 || amount != tx_length) { |
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applog(LOG_ERR, "HF%d: hashfast_send_frame: USB Send error, ret %d amount %d vs. tx_length %d", |
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id, ret, amount, tx_length); |
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return 1; |
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} |
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return 0; |
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} |
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static int hashfast_reset(struct cgpu_info __maybe_unused *hashfast) |
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{ |
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return 0; |
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