Lines Matching refs:master
423 to_cdns_i3c_master(struct i3c_master_controller *master) in to_cdns_i3c_master() argument
425 return container_of(master, struct cdns_i3c_master, base); in to_cdns_i3c_master()
428 static void cdns_i3c_master_wr_to_tx_fifo(struct cdns_i3c_master *master, in cdns_i3c_master_wr_to_tx_fifo() argument
431 i3c_writel_fifo(master->regs + TX_FIFO, bytes, nbytes); in cdns_i3c_master_wr_to_tx_fifo()
434 static void cdns_i3c_master_rd_from_rx_fifo(struct cdns_i3c_master *master, in cdns_i3c_master_rd_from_rx_fifo() argument
437 i3c_readl_fifo(master->regs + RX_FIFO, bytes, nbytes); in cdns_i3c_master_rd_from_rx_fifo()
481 static int cdns_i3c_master_disable(struct cdns_i3c_master *master) in cdns_i3c_master_disable() argument
485 writel(readl(master->regs + CTRL) & ~CTRL_DEV_EN, master->regs + CTRL); in cdns_i3c_master_disable()
487 return readl_poll_timeout(master->regs + MST_STATUS0, status, in cdns_i3c_master_disable()
491 static void cdns_i3c_master_enable(struct cdns_i3c_master *master) in cdns_i3c_master_enable() argument
493 writel(readl(master->regs + CTRL) | CTRL_DEV_EN, master->regs + CTRL); in cdns_i3c_master_enable()
497 cdns_i3c_master_alloc_xfer(struct cdns_i3c_master *master, unsigned int ncmds) in cdns_i3c_master_alloc_xfer() argument
517 static void cdns_i3c_master_start_xfer_locked(struct cdns_i3c_master *master) in cdns_i3c_master_start_xfer_locked() argument
519 struct cdns_i3c_xfer *xfer = master->xferqueue.cur; in cdns_i3c_master_start_xfer_locked()
525 writel(MST_INT_CMDD_EMP, master->regs + MST_ICR); in cdns_i3c_master_start_xfer_locked()
529 cdns_i3c_master_wr_to_tx_fifo(master, cmd->tx_buf, in cdns_i3c_master_start_xfer_locked()
537 master->regs + CMD1_FIFO); in cdns_i3c_master_start_xfer_locked()
538 writel(cmd->cmd0, master->regs + CMD0_FIFO); in cdns_i3c_master_start_xfer_locked()
541 writel(readl(master->regs + CTRL) | CTRL_MCS, in cdns_i3c_master_start_xfer_locked()
542 master->regs + CTRL); in cdns_i3c_master_start_xfer_locked()
543 writel(MST_INT_CMDD_EMP, master->regs + MST_IER); in cdns_i3c_master_start_xfer_locked()
546 static void cdns_i3c_master_end_xfer_locked(struct cdns_i3c_master *master, in cdns_i3c_master_end_xfer_locked() argument
549 struct cdns_i3c_xfer *xfer = master->xferqueue.cur; in cdns_i3c_master_end_xfer_locked()
559 writel(MST_INT_CMDD_EMP, master->regs + MST_IDR); in cdns_i3c_master_end_xfer_locked()
561 for (status0 = readl(master->regs + MST_STATUS0); in cdns_i3c_master_end_xfer_locked()
563 status0 = readl(master->regs + MST_STATUS0)) { in cdns_i3c_master_end_xfer_locked()
567 cmdr = readl(master->regs + CMDR); in cdns_i3c_master_end_xfer_locked()
576 cdns_i3c_master_rd_from_rx_fifo(master, cmd->rx_buf, rx_len); in cdns_i3c_master_end_xfer_locked()
611 xfer = list_first_entry_or_null(&master->xferqueue.list, in cdns_i3c_master_end_xfer_locked()
616 master->xferqueue.cur = xfer; in cdns_i3c_master_end_xfer_locked()
617 cdns_i3c_master_start_xfer_locked(master); in cdns_i3c_master_end_xfer_locked()
620 static void cdns_i3c_master_queue_xfer(struct cdns_i3c_master *master, in cdns_i3c_master_queue_xfer() argument
626 spin_lock_irqsave(&master->xferqueue.lock, flags); in cdns_i3c_master_queue_xfer()
627 if (master->xferqueue.cur) { in cdns_i3c_master_queue_xfer()
628 list_add_tail(&xfer->node, &master->xferqueue.list); in cdns_i3c_master_queue_xfer()
630 master->xferqueue.cur = xfer; in cdns_i3c_master_queue_xfer()
631 cdns_i3c_master_start_xfer_locked(master); in cdns_i3c_master_queue_xfer()
633 spin_unlock_irqrestore(&master->xferqueue.lock, flags); in cdns_i3c_master_queue_xfer()
636 static void cdns_i3c_master_unqueue_xfer(struct cdns_i3c_master *master, in cdns_i3c_master_unqueue_xfer() argument
641 spin_lock_irqsave(&master->xferqueue.lock, flags); in cdns_i3c_master_unqueue_xfer()
642 if (master->xferqueue.cur == xfer) { in cdns_i3c_master_unqueue_xfer()
645 writel(readl(master->regs + CTRL) & ~CTRL_DEV_EN, in cdns_i3c_master_unqueue_xfer()
646 master->regs + CTRL); in cdns_i3c_master_unqueue_xfer()
647 readl_poll_timeout_atomic(master->regs + MST_STATUS0, status, in cdns_i3c_master_unqueue_xfer()
650 master->xferqueue.cur = NULL; in cdns_i3c_master_unqueue_xfer()
653 master->regs + FLUSH_CTRL); in cdns_i3c_master_unqueue_xfer()
654 writel(MST_INT_CMDD_EMP, master->regs + MST_IDR); in cdns_i3c_master_unqueue_xfer()
655 writel(readl(master->regs + CTRL) | CTRL_DEV_EN, in cdns_i3c_master_unqueue_xfer()
656 master->regs + CTRL); in cdns_i3c_master_unqueue_xfer()
660 spin_unlock_irqrestore(&master->xferqueue.lock, flags); in cdns_i3c_master_unqueue_xfer()
686 struct cdns_i3c_master *master = to_cdns_i3c_master(m); in cdns_i3c_master_send_ccc_cmd() local
691 xfer = cdns_i3c_master_alloc_xfer(master, 1); in cdns_i3c_master_send_ccc_cmd()
712 cdns_i3c_master_queue_xfer(master, xfer); in cdns_i3c_master_send_ccc_cmd()
714 cdns_i3c_master_unqueue_xfer(master, xfer); in cdns_i3c_master_send_ccc_cmd()
728 struct cdns_i3c_master *master = to_cdns_i3c_master(m); in cdns_i3c_master_priv_xfers() local
740 if (nxfers > master->caps.cmdfifodepth || in cdns_i3c_master_priv_xfers()
741 nxfers > master->caps.cmdrfifodepth) in cdns_i3c_master_priv_xfers()
755 if (rxslots > master->caps.rxfifodepth || in cdns_i3c_master_priv_xfers()
756 txslots > master->caps.txfifodepth) in cdns_i3c_master_priv_xfers()
759 cdns_xfer = cdns_i3c_master_alloc_xfer(master, nxfers); in cdns_i3c_master_priv_xfers()
789 cdns_i3c_master_queue_xfer(master, cdns_xfer); in cdns_i3c_master_priv_xfers()
792 cdns_i3c_master_unqueue_xfer(master, cdns_xfer); in cdns_i3c_master_priv_xfers()
808 struct cdns_i3c_master *master = to_cdns_i3c_master(m); in cdns_i3c_master_i2c_xfers() local
813 if (nxfers > master->caps.cmdfifodepth) in cdns_i3c_master_i2c_xfers()
826 if (ntxwords > master->caps.txfifodepth || in cdns_i3c_master_i2c_xfers()
827 nrxwords > master->caps.rxfifodepth) in cdns_i3c_master_i2c_xfers()
830 xfer = cdns_i3c_master_alloc_xfer(master, nxfers); in cdns_i3c_master_i2c_xfers()
854 cdns_i3c_master_queue_xfer(master, xfer); in cdns_i3c_master_i2c_xfers()
856 cdns_i3c_master_unqueue_xfer(master, xfer); in cdns_i3c_master_i2c_xfers()
889 struct cdns_i3c_master *master = to_cdns_i3c_master(m); in cdns_i3c_master_upd_i3c_addr() local
896 writel(DEV_ID_RR0_IS_I3C | rr, master->regs + DEV_ID_RR0(data->id)); in cdns_i3c_master_upd_i3c_addr()
899 static int cdns_i3c_master_get_rr_slot(struct cdns_i3c_master *master, in cdns_i3c_master_get_rr_slot() argument
907 if (!master->free_rr_slots) in cdns_i3c_master_get_rr_slot()
910 return ffs(master->free_rr_slots) - 1; in cdns_i3c_master_get_rr_slot()
913 activedevs = readl(master->regs + DEVS_CTRL) & DEVS_CTRL_DEVS_ACTIVE_MASK; in cdns_i3c_master_get_rr_slot()
916 for_each_set_bit(i, &activedevs, master->maxdevs + 1) { in cdns_i3c_master_get_rr_slot()
917 rr = readl(master->regs + DEV_ID_RR0(i)); in cdns_i3c_master_get_rr_slot()
939 struct cdns_i3c_master *master = to_cdns_i3c_master(m); in cdns_i3c_master_attach_i3c_dev() local
947 slot = cdns_i3c_master_get_rr_slot(master, dev->info.dyn_addr); in cdns_i3c_master_attach_i3c_dev()
956 master->free_rr_slots &= ~BIT(slot); in cdns_i3c_master_attach_i3c_dev()
960 writel(readl(master->regs + DEVS_CTRL) | in cdns_i3c_master_attach_i3c_dev()
962 master->regs + DEVS_CTRL); in cdns_i3c_master_attach_i3c_dev()
971 struct cdns_i3c_master *master = to_cdns_i3c_master(m); in cdns_i3c_master_detach_i3c_dev() local
974 writel(readl(master->regs + DEVS_CTRL) | in cdns_i3c_master_detach_i3c_dev()
976 master->regs + DEVS_CTRL); in cdns_i3c_master_detach_i3c_dev()
979 master->free_rr_slots |= BIT(data->id); in cdns_i3c_master_detach_i3c_dev()
986 struct cdns_i3c_master *master = to_cdns_i3c_master(m); in cdns_i3c_master_attach_i2c_dev() local
990 slot = cdns_i3c_master_get_rr_slot(master, 0); in cdns_i3c_master_attach_i2c_dev()
999 master->free_rr_slots &= ~BIT(slot); in cdns_i3c_master_attach_i2c_dev()
1003 master->regs + DEV_ID_RR0(data->id)); in cdns_i3c_master_attach_i2c_dev()
1004 writel(dev->lvr, master->regs + DEV_ID_RR2(data->id)); in cdns_i3c_master_attach_i2c_dev()
1005 writel(readl(master->regs + DEVS_CTRL) | in cdns_i3c_master_attach_i2c_dev()
1007 master->regs + DEVS_CTRL); in cdns_i3c_master_attach_i2c_dev()
1015 struct cdns_i3c_master *master = to_cdns_i3c_master(m); in cdns_i3c_master_detach_i2c_dev() local
1018 writel(readl(master->regs + DEVS_CTRL) | in cdns_i3c_master_detach_i2c_dev()
1020 master->regs + DEVS_CTRL); in cdns_i3c_master_detach_i2c_dev()
1021 master->free_rr_slots |= BIT(data->id); in cdns_i3c_master_detach_i2c_dev()
1029 struct cdns_i3c_master *master = to_cdns_i3c_master(m); in cdns_i3c_master_bus_cleanup() local
1031 cdns_i3c_master_disable(master); in cdns_i3c_master_bus_cleanup()
1034 static void cdns_i3c_master_dev_rr_to_info(struct cdns_i3c_master *master, in cdns_i3c_master_dev_rr_to_info() argument
1041 rr = readl(master->regs + DEV_ID_RR0(slot)); in cdns_i3c_master_dev_rr_to_info()
1043 rr = readl(master->regs + DEV_ID_RR2(slot)); in cdns_i3c_master_dev_rr_to_info()
1047 info->pid |= (u64)readl(master->regs + DEV_ID_RR1(slot)) << 16; in cdns_i3c_master_dev_rr_to_info()
1050 static void cdns_i3c_master_upd_i3c_scl_lim(struct cdns_i3c_master *master) in cdns_i3c_master_upd_i3c_scl_lim() argument
1052 struct i3c_master_controller *m = &master->base; in cdns_i3c_master_upd_i3c_scl_lim()
1089 if (new_i3c_scl_lim == master->i3c_scl_lim) in cdns_i3c_master_upd_i3c_scl_lim()
1091 master->i3c_scl_lim = new_i3c_scl_lim; in cdns_i3c_master_upd_i3c_scl_lim()
1097 prescl1 = readl(master->regs + PRESCL_CTRL1) & in cdns_i3c_master_upd_i3c_scl_lim()
1099 ctrl = readl(master->regs + CTRL); in cdns_i3c_master_upd_i3c_scl_lim()
1101 i3c_lim_period = DIV_ROUND_UP(1000000000, master->i3c_scl_lim); in cdns_i3c_master_upd_i3c_scl_lim()
1112 cdns_i3c_master_disable(master); in cdns_i3c_master_upd_i3c_scl_lim()
1114 writel(prescl1, master->regs + PRESCL_CTRL1); in cdns_i3c_master_upd_i3c_scl_lim()
1117 cdns_i3c_master_enable(master); in cdns_i3c_master_upd_i3c_scl_lim()
1122 struct cdns_i3c_master *master = to_cdns_i3c_master(m); in cdns_i3c_master_do_daa() local
1128 olddevs = readl(master->regs + DEVS_CTRL) & DEVS_CTRL_DEVS_ACTIVE_MASK; in cdns_i3c_master_do_daa()
1132 for_each_clear_bit(slot, &olddevs, master->maxdevs + 1) { in cdns_i3c_master_do_daa()
1140 master->regs + DEV_ID_RR0(slot)); in cdns_i3c_master_do_daa()
1141 writel(0, master->regs + DEV_ID_RR1(slot)); in cdns_i3c_master_do_daa()
1142 writel(0, master->regs + DEV_ID_RR2(slot)); in cdns_i3c_master_do_daa()
1145 ret = i3c_master_entdaa_locked(&master->base); in cdns_i3c_master_do_daa()
1149 newdevs = readl(master->regs + DEVS_CTRL) & DEVS_CTRL_DEVS_ACTIVE_MASK; in cdns_i3c_master_do_daa()
1156 for_each_set_bit(slot, &newdevs, master->maxdevs + 1) in cdns_i3c_master_do_daa()
1165 writel(readl(master->regs + DEVS_CTRL) | in cdns_i3c_master_do_daa()
1166 master->free_rr_slots << DEVS_CTRL_DEV_CLR_SHIFT, in cdns_i3c_master_do_daa()
1167 master->regs + DEVS_CTRL); in cdns_i3c_master_do_daa()
1169 i3c_master_defslvs_locked(&master->base); in cdns_i3c_master_do_daa()
1171 cdns_i3c_master_upd_i3c_scl_lim(master); in cdns_i3c_master_do_daa()
1180 static u8 cdns_i3c_master_calculate_thd_delay(struct cdns_i3c_master *master) in cdns_i3c_master_calculate_thd_delay() argument
1182 unsigned long sysclk_rate = clk_get_rate(master->sysclk); in cdns_i3c_master_calculate_thd_delay()
1183 u8 thd_delay = DIV_ROUND_UP(master->devdata->thd_delay_ns, in cdns_i3c_master_calculate_thd_delay()
1196 struct cdns_i3c_master *master = to_cdns_i3c_master(m); in cdns_i3c_master_bus_init() local
1220 sysclk_rate = clk_get_rate(master->sysclk); in cdns_i3c_master_bus_init()
1244 writel(prescl0, master->regs + PRESCL_CTRL0); in cdns_i3c_master_bus_init()
1252 writel(prescl1, master->regs + PRESCL_CTRL1); in cdns_i3c_master_bus_init()
1260 master->regs + DEV_ID_RR0(0)); in cdns_i3c_master_bus_init()
1262 cdns_i3c_master_dev_rr_to_info(master, 0, &info); in cdns_i3c_master_bus_init()
1266 ret = i3c_master_set_info(&master->base, &info); in cdns_i3c_master_bus_init()
1285 ctrl |= CTRL_THD_DELAY(cdns_i3c_master_calculate_thd_delay(master)); in cdns_i3c_master_bus_init()
1286 writel(ctrl, master->regs + CTRL); in cdns_i3c_master_bus_init()
1288 cdns_i3c_master_enable(master); in cdns_i3c_master_bus_init()
1293 static void cdns_i3c_master_handle_ibi(struct cdns_i3c_master *master, in cdns_i3c_master_handle_ibi() argument
1308 if (id >= master->ibi.num_slots || (ibir & IBIR_ERROR)) in cdns_i3c_master_handle_ibi()
1311 dev = master->ibi.slots[id]; in cdns_i3c_master_handle_ibi()
1312 spin_lock(&master->ibi.lock); in cdns_i3c_master_handle_ibi()
1322 i3c_readl_fifo(master->regs + IBI_DATA_FIFO, buf, nbytes); in cdns_i3c_master_handle_ibi()
1330 spin_unlock(&master->ibi.lock); in cdns_i3c_master_handle_ibi()
1338 readl(master->regs + IBI_DATA_FIFO); in cdns_i3c_master_handle_ibi()
1342 static void cnds_i3c_master_demux_ibis(struct cdns_i3c_master *master) in cnds_i3c_master_demux_ibis() argument
1346 writel(MST_INT_IBIR_THR, master->regs + MST_ICR); in cnds_i3c_master_demux_ibis()
1348 for (status0 = readl(master->regs + MST_STATUS0); in cnds_i3c_master_demux_ibis()
1350 status0 = readl(master->regs + MST_STATUS0)) { in cnds_i3c_master_demux_ibis()
1351 u32 ibir = readl(master->regs + IBIR); in cnds_i3c_master_demux_ibis()
1355 cdns_i3c_master_handle_ibi(master, ibir); in cnds_i3c_master_demux_ibis()
1360 queue_work(master->base.wq, &master->hj_work); in cnds_i3c_master_demux_ibis()
1375 struct cdns_i3c_master *master = data; in cdns_i3c_master_interrupt() local
1378 status = readl(master->regs + MST_ISR); in cdns_i3c_master_interrupt()
1379 if (!(status & readl(master->regs + MST_IMR))) in cdns_i3c_master_interrupt()
1382 spin_lock(&master->xferqueue.lock); in cdns_i3c_master_interrupt()
1383 cdns_i3c_master_end_xfer_locked(master, status); in cdns_i3c_master_interrupt()
1384 spin_unlock(&master->xferqueue.lock); in cdns_i3c_master_interrupt()
1387 cnds_i3c_master_demux_ibis(master); in cdns_i3c_master_interrupt()
1395 struct cdns_i3c_master *master = to_cdns_i3c_master(m); in cdns_i3c_master_disable_ibi() local
1406 spin_lock_irqsave(&master->ibi.lock, flags); in cdns_i3c_master_disable_ibi()
1407 sirmap = readl(master->regs + SIR_MAP_DEV_REG(data->ibi)); in cdns_i3c_master_disable_ibi()
1411 writel(sirmap, master->regs + SIR_MAP_DEV_REG(data->ibi)); in cdns_i3c_master_disable_ibi()
1412 spin_unlock_irqrestore(&master->ibi.lock, flags); in cdns_i3c_master_disable_ibi()
1420 struct cdns_i3c_master *master = to_cdns_i3c_master(m); in cdns_i3c_master_enable_ibi() local
1426 spin_lock_irqsave(&master->ibi.lock, flags); in cdns_i3c_master_enable_ibi()
1427 sirmap = readl(master->regs + SIR_MAP_DEV_REG(data->ibi)); in cdns_i3c_master_enable_ibi()
1438 writel(sirmap, master->regs + SIR_MAP_DEV_REG(data->ibi)); in cdns_i3c_master_enable_ibi()
1439 spin_unlock_irqrestore(&master->ibi.lock, flags); in cdns_i3c_master_enable_ibi()
1444 spin_lock_irqsave(&master->ibi.lock, flags); in cdns_i3c_master_enable_ibi()
1445 sirmap = readl(master->regs + SIR_MAP_DEV_REG(data->ibi)); in cdns_i3c_master_enable_ibi()
1449 writel(sirmap, master->regs + SIR_MAP_DEV_REG(data->ibi)); in cdns_i3c_master_enable_ibi()
1450 spin_unlock_irqrestore(&master->ibi.lock, flags); in cdns_i3c_master_enable_ibi()
1460 struct cdns_i3c_master *master = to_cdns_i3c_master(m); in cdns_i3c_master_request_ibi() local
1469 spin_lock_irqsave(&master->ibi.lock, flags); in cdns_i3c_master_request_ibi()
1470 for (i = 0; i < master->ibi.num_slots; i++) { in cdns_i3c_master_request_ibi()
1471 if (!master->ibi.slots[i]) { in cdns_i3c_master_request_ibi()
1473 master->ibi.slots[i] = dev; in cdns_i3c_master_request_ibi()
1477 spin_unlock_irqrestore(&master->ibi.lock, flags); in cdns_i3c_master_request_ibi()
1479 if (i < master->ibi.num_slots) in cdns_i3c_master_request_ibi()
1491 struct cdns_i3c_master *master = to_cdns_i3c_master(m); in cdns_i3c_master_free_ibi() local
1495 spin_lock_irqsave(&master->ibi.lock, flags); in cdns_i3c_master_free_ibi()
1496 master->ibi.slots[data->ibi] = NULL; in cdns_i3c_master_free_ibi()
1498 spin_unlock_irqrestore(&master->ibi.lock, flags); in cdns_i3c_master_free_ibi()
1533 struct cdns_i3c_master *master = container_of(work, in cdns_i3c_master_hj() local
1537 i3c_master_do_daa(&master->base); in cdns_i3c_master_hj()
1552 struct cdns_i3c_master *master; in cdns_i3c_master_probe() local
1557 master = devm_kzalloc(&pdev->dev, sizeof(*master), GFP_KERNEL); in cdns_i3c_master_probe()
1558 if (!master) in cdns_i3c_master_probe()
1561 master->devdata = of_device_get_match_data(&pdev->dev); in cdns_i3c_master_probe()
1562 if (!master->devdata) in cdns_i3c_master_probe()
1565 master->regs = devm_platform_ioremap_resource(pdev, 0); in cdns_i3c_master_probe()
1566 if (IS_ERR(master->regs)) in cdns_i3c_master_probe()
1567 return PTR_ERR(master->regs); in cdns_i3c_master_probe()
1573 master->sysclk = devm_clk_get_enabled(&pdev->dev, "sysclk"); in cdns_i3c_master_probe()
1574 if (IS_ERR(master->sysclk)) in cdns_i3c_master_probe()
1575 return PTR_ERR(master->sysclk); in cdns_i3c_master_probe()
1581 if (readl(master->regs + DEV_ID) != DEV_ID_I3C_MASTER) in cdns_i3c_master_probe()
1584 spin_lock_init(&master->xferqueue.lock); in cdns_i3c_master_probe()
1585 INIT_LIST_HEAD(&master->xferqueue.list); in cdns_i3c_master_probe()
1587 INIT_WORK(&master->hj_work, cdns_i3c_master_hj); in cdns_i3c_master_probe()
1588 writel(0xffffffff, master->regs + MST_IDR); in cdns_i3c_master_probe()
1589 writel(0xffffffff, master->regs + SLV_IDR); in cdns_i3c_master_probe()
1591 dev_name(&pdev->dev), master); in cdns_i3c_master_probe()
1595 platform_set_drvdata(pdev, master); in cdns_i3c_master_probe()
1597 val = readl(master->regs + CONF_STATUS0); in cdns_i3c_master_probe()
1600 master->maxdevs = CONF_STATUS0_DEVS_NUM(val); in cdns_i3c_master_probe()
1601 master->free_rr_slots = GENMASK(master->maxdevs, 1); in cdns_i3c_master_probe()
1602 master->caps.ibirfifodepth = CONF_STATUS0_IBIR_DEPTH(val); in cdns_i3c_master_probe()
1603 master->caps.cmdrfifodepth = CONF_STATUS0_CMDR_DEPTH(val); in cdns_i3c_master_probe()
1605 val = readl(master->regs + CONF_STATUS1); in cdns_i3c_master_probe()
1606 master->caps.cmdfifodepth = CONF_STATUS1_CMD_DEPTH(val); in cdns_i3c_master_probe()
1607 master->caps.rxfifodepth = CONF_STATUS1_RX_DEPTH(val); in cdns_i3c_master_probe()
1608 master->caps.txfifodepth = CONF_STATUS1_TX_DEPTH(val); in cdns_i3c_master_probe()
1610 spin_lock_init(&master->ibi.lock); in cdns_i3c_master_probe()
1611 master->ibi.num_slots = CONF_STATUS1_IBI_HW_RES(val); in cdns_i3c_master_probe()
1612 master->ibi.slots = devm_kcalloc(&pdev->dev, master->ibi.num_slots, in cdns_i3c_master_probe()
1613 sizeof(*master->ibi.slots), in cdns_i3c_master_probe()
1615 if (!master->ibi.slots) in cdns_i3c_master_probe()
1618 writel(IBIR_THR(1), master->regs + CMD_IBI_THR_CTRL); in cdns_i3c_master_probe()
1619 writel(MST_INT_IBIR_THR, master->regs + MST_IER); in cdns_i3c_master_probe()
1620 writel(DEVS_CTRL_DEV_CLR_ALL, master->regs + DEVS_CTRL); in cdns_i3c_master_probe()
1622 return i3c_master_register(&master->base, &pdev->dev, in cdns_i3c_master_probe()
1628 struct cdns_i3c_master *master = platform_get_drvdata(pdev); in cdns_i3c_master_remove() local
1630 cancel_work_sync(&master->hj_work); in cdns_i3c_master_remove()
1631 i3c_master_unregister(&master->base); in cdns_i3c_master_remove()