Lines Matching refs:cmd
428 dev_dbg(&pmcmsptwi_adapter.dev, "Writing cmd reg 0x%08x\n", reg);
448 static inline u32 pmcmsptwi_cmd_to_reg(const struct pmcmsptwi_cmd *cmd)
450 return ((cmd->type & 0x3) << 8) |
451 (((cmd->write_len - 1) & 0x7) << 4) |
452 ((cmd->read_len - 1) & 0x7);
459 struct pmcmsptwi_cmd *cmd,
464 if ((cmd->type == MSP_TWI_CMD_WRITE && cmd->write_len == 0) ||
465 (cmd->type == MSP_TWI_CMD_READ && cmd->read_len == 0) ||
466 (cmd->type == MSP_TWI_CMD_WRITE_READ &&
467 (cmd->read_len == 0 || cmd->write_len == 0))) {
474 if (cmd->read_len > MSP_MAX_BYTES_PER_RW ||
475 cmd->write_len > MSP_MAX_BYTES_PER_RW) {
484 "Setting address to 0x%04x\n", cmd->addr);
485 pmcmsptwi_writel(cmd->addr, data->iobase + MSP_TWI_ADD_REG_OFFSET);
487 if (cmd->type == MSP_TWI_CMD_WRITE ||
488 cmd->type == MSP_TWI_CMD_WRITE_READ) {
489 u64 tmp = be64_to_cpup((__be64 *)cmd->write_data);
490 tmp >>= (MSP_MAX_BYTES_PER_RW - cmd->write_len) * 8;
494 if (cmd->write_len > 4)
499 retval = pmcmsptwi_do_xfer(pmcmsptwi_cmd_to_reg(cmd), data);
503 if (cmd->type == MSP_TWI_CMD_READ ||
504 cmd->type == MSP_TWI_CMD_WRITE_READ) {
506 u64 rmsk = ~(0xffffffffffffffffLL << (cmd->read_len * 8));
509 if (cmd->read_len > 4)
515 for (i = 0; i < cmd->read_len; i++)
516 cmd->read_data[i] = tmp >> i;
534 struct pmcmsptwi_cmd cmd;
547 cmd.type = MSP_TWI_CMD_WRITE_READ;
548 cmd.write_len = msg->len;
549 cmd.write_data = msg->buf;
550 cmd.read_len = nextmsg->len;
551 cmd.read_data = nextmsg->buf;
558 cmd.type = MSP_TWI_CMD_READ;
559 cmd.read_len = msg->len;
560 cmd.read_data = msg->buf;
561 cmd.write_len = 0;
562 cmd.write_data = NULL;
564 cmd.type = MSP_TWI_CMD_WRITE;
565 cmd.read_len = 0;
566 cmd.read_data = NULL;
567 cmd.write_len = msg->len;
568 cmd.write_data = msg->buf;
576 cmd.addr = msg->addr;
589 ret = pmcmsptwi_xfer_cmd(&cmd, data);