50  * @pchan: Physical channel within which this doorbell resides in
51  * @doorbell: doorbell number pertaining to this channel
56 	unsigned int doorbell;  member
61 		       unsigned int doorbell)  in mhu_db_mbox_to_channel()  argument
69 		    chan_info->doorbell == doorbell)  in mhu_db_mbox_to_channel()
81 	writel_relaxed(BIT(chan_info->doorbell), base + INTR_CLR_OFS);  in mhu_db_mbox_clear_irq()
98 	unsigned int doorbell;  in mhu_db_mbox_irq_to_channel()  local
109 	for (doorbell = 0; bits; doorbell++) {  in mhu_db_mbox_irq_to_channel()
110 		if (!test_and_clear_bit(doorbell, &bits))  in mhu_db_mbox_irq_to_channel()
113 		chan = mhu_db_mbox_to_channel(mbox, pchan, doorbell);  in mhu_db_mbox_irq_to_channel()
117 			"Channel not registered: pchan: %d doorbell: %d\n",  in mhu_db_mbox_irq_to_channel()
118 			pchan, doorbell);  in mhu_db_mbox_irq_to_channel()
143 	if (readl_relaxed(base + INTR_STAT_OFS) & BIT(chan_info->doorbell))  in mhu_db_last_tx_done()
155 	writel_relaxed(BIT(chan_info->doorbell), base + INTR_SET_OFS);  in mhu_db_send_data()
194 	unsigned int doorbell = spec->args[1];  in mhu_db_mbox_xlate()  local
198 	if (pchan >= MHU_CHANS || doorbell >= MHU_NUM_DOORBELLS) {  in mhu_db_mbox_xlate()
200 			"Invalid channel requested pchan: %d doorbell: %d\n",  in mhu_db_mbox_xlate()
201 			pchan, doorbell);  in mhu_db_mbox_xlate()
206 	chan = mhu_db_mbox_to_channel(mbox, pchan, doorbell);  in mhu_db_mbox_xlate()
208 		dev_err(mbox->dev, "Channel in use: pchan: %d doorbell: %d\n",  in mhu_db_mbox_xlate()
209 			pchan, doorbell);  in mhu_db_mbox_xlate()
231 	chan_info->doorbell = doorbell;  in mhu_db_mbox_xlate()
235 	dev_dbg(mbox->dev, "mbox: created channel phys: %d doorbell: %d\n",  in mhu_db_mbox_xlate()
236 		pchan, doorbell);  in mhu_db_mbox_xlate()
260 	if (!of_device_is_compatible(np, "arm,mhu-doorbell"))  in mhu_db_probe()
328 	dev_info(dev, "ARM MHU Doorbell mailbox registered\n");  in mhu_db_probe()
343 		.name	= "mhu-doorbell",
351 MODULE_DESCRIPTION("ARM MHU Doorbell Driver");