RSC_DRV_CMD_ADDR
[RSC_DRV_CMD_ADDR] = 0x34,
[RSC_DRV_CMD_ADDR] = 0x38,
write_tcs_cmd(drv, drv->regs[RSC_DRV_CMD_ADDR], tcs_id, j, cmd->addr);
addr = read_tcs_cmd(drv, drv->regs[RSC_DRV_CMD_ADDR], i, j);