136 unsigned int mbox_read_reg(struct omap_mbox_device *mdev, size_t ofs)  in mbox_read_reg()  argument
138 	return __raw_readl(mdev->mbox_base + ofs);  in mbox_read_reg()
142 void mbox_write_reg(struct omap_mbox_device *mdev, u32 val, size_t ofs)  in mbox_write_reg()  argument
144 	__raw_writel(val, mdev->mbox_base + ofs);  in mbox_write_reg()
397 static struct omap_mbox *omap_mbox_device_find(struct omap_mbox_device *mdev,  in omap_mbox_device_find()  argument
401 	struct omap_mbox **mboxes = mdev->mboxes;  in omap_mbox_device_find()
421 	struct omap_mbox_device *mdev;  in omap_mbox_request_channel()  local
436 	list_for_each_entry(mdev, &omap_mbox_devices, elem) {  in omap_mbox_request_channel()
437 		mbox = omap_mbox_device_find(mdev, chan_name);  in omap_mbox_request_channel()
468 static int omap_mbox_register(struct omap_mbox_device *mdev)  in omap_mbox_register()  argument
474 	if (!mdev || !mdev->mboxes)  in omap_mbox_register()
477 	mboxes = mdev->mboxes;  in omap_mbox_register()
481 		mbox->dev = device_create(&omap_mbox_class, mdev->dev,  in omap_mbox_register()
490 	list_add(&mdev->elem, &omap_mbox_devices);  in omap_mbox_register()
493 	ret = mbox_controller_register(&mdev->controller);  in omap_mbox_register()
503 static int omap_mbox_unregister(struct omap_mbox_device *mdev)  in omap_mbox_unregister()  argument
508 	if (!mdev || !mdev->mboxes)  in omap_mbox_unregister()
512 	list_del(&mdev->elem);  in omap_mbox_unregister()
515 	mbox_controller_unregister(&mdev->controller);  in omap_mbox_unregister()
517 	mboxes = mdev->mboxes;  in omap_mbox_unregister()
526 	struct omap_mbox_device *mdev = mbox->parent;  in omap_mbox_chan_startup()  local
529 	mutex_lock(&mdev->cfg_lock);  in omap_mbox_chan_startup()
530 	pm_runtime_get_sync(mdev->dev);  in omap_mbox_chan_startup()
533 		pm_runtime_put_sync(mdev->dev);  in omap_mbox_chan_startup()
534 	mutex_unlock(&mdev->cfg_lock);  in omap_mbox_chan_startup()
541 	struct omap_mbox_device *mdev = mbox->parent;  in omap_mbox_chan_shutdown()  local
543 	mutex_lock(&mdev->cfg_lock);  in omap_mbox_chan_shutdown()
545 	pm_runtime_put_sync(mdev->dev);  in omap_mbox_chan_shutdown()
546 	mutex_unlock(&mdev->cfg_lock);  in omap_mbox_chan_shutdown()
606 	struct omap_mbox_device *mdev = dev_get_drvdata(dev);  in omap_mbox_suspend()  local
612 	for (fifo = 0; fifo < mdev->num_fifos; fifo++) {  in omap_mbox_suspend()
613 		if (mbox_read_reg(mdev, MAILBOX_MSGSTATUS(fifo))) {  in omap_mbox_suspend()
614 			dev_err(mdev->dev, "fifo %d has unexpected unread messages\n",  in omap_mbox_suspend()
620 	for (usr = 0; usr < mdev->num_users; usr++) {  in omap_mbox_suspend()
621 		reg = MAILBOX_IRQENABLE(mdev->intr_type, usr);  in omap_mbox_suspend()
622 		mdev->irq_ctx[usr] = mbox_read_reg(mdev, reg);  in omap_mbox_suspend()
630 	struct omap_mbox_device *mdev = dev_get_drvdata(dev);  in omap_mbox_resume()  local
636 	for (usr = 0; usr < mdev->num_users; usr++) {  in omap_mbox_resume()
637 		reg = MAILBOX_IRQENABLE(mdev->intr_type, usr);  in omap_mbox_resume()
638 		mbox_write_reg(mdev, mdev->irq_ctx[usr], reg);  in omap_mbox_resume()
673 	struct omap_mbox_device *mdev;  in omap_mbox_of_xlate()  local
676 	mdev = container_of(controller, struct omap_mbox_device, controller);  in omap_mbox_of_xlate()
677 	if (WARN_ON(!mdev))  in omap_mbox_of_xlate()
687 	mbox = omap_mbox_device_find(mdev, node->name);  in omap_mbox_of_xlate()
699 	struct omap_mbox_device *mdev;  in omap_mbox_probe()  local
767 	mdev = devm_kzalloc(&pdev->dev, sizeof(*mdev), GFP_KERNEL);  in omap_mbox_probe()
768 	if (!mdev)  in omap_mbox_probe()
772 	mdev->mbox_base = devm_ioremap_resource(&pdev->dev, mem);  in omap_mbox_probe()
773 	if (IS_ERR(mdev->mbox_base))  in omap_mbox_probe()
774 		return PTR_ERR(mdev->mbox_base);  in omap_mbox_probe()
776 	mdev->irq_ctx = devm_kzalloc(&pdev->dev, num_users * sizeof(u32),  in omap_mbox_probe()
778 	if (!mdev->irq_ctx)  in omap_mbox_probe()
819 		mbox->parent = mdev;  in omap_mbox_probe()
829 	mutex_init(&mdev->cfg_lock);  in omap_mbox_probe()
830 	mdev->dev = &pdev->dev;  in omap_mbox_probe()
831 	mdev->num_users = num_users;  in omap_mbox_probe()
832 	mdev->num_fifos = num_fifos;  in omap_mbox_probe()
833 	mdev->intr_type = intr_type;  in omap_mbox_probe()
834 	mdev->mboxes = list;  in omap_mbox_probe()
837 	mdev->controller.txdone_irq = true;  in omap_mbox_probe()
838 	mdev->controller.dev = mdev->dev;  in omap_mbox_probe()
839 	mdev->controller.ops = &omap_mbox_chan_ops;  in omap_mbox_probe()
840 	mdev->controller.chans = chnls;  in omap_mbox_probe()
841 	mdev->controller.num_chans = info_count;  in omap_mbox_probe()
842 	mdev->controller.of_xlate = omap_mbox_of_xlate;  in omap_mbox_probe()
843 	ret = omap_mbox_register(mdev);  in omap_mbox_probe()
847 	platform_set_drvdata(pdev, mdev);  in omap_mbox_probe()
848 	pm_runtime_enable(mdev->dev);  in omap_mbox_probe()
850 	ret = pm_runtime_get_sync(mdev->dev);  in omap_mbox_probe()
852 		pm_runtime_put_noidle(mdev->dev);  in omap_mbox_probe()
860 	l = mbox_read_reg(mdev, MAILBOX_REVISION);  in omap_mbox_probe()
861 	dev_info(mdev->dev, "omap mailbox rev 0x%x\n", l);  in omap_mbox_probe()
863 	ret = pm_runtime_put_sync(mdev->dev);  in omap_mbox_probe()
871 	pm_runtime_disable(mdev->dev);  in omap_mbox_probe()
872 	omap_mbox_unregister(mdev);  in omap_mbox_probe()
878 	struct omap_mbox_device *mdev = platform_get_drvdata(pdev);  in omap_mbox_remove()  local
880 	pm_runtime_disable(mdev->dev);  in omap_mbox_remove()
881 	omap_mbox_unregister(mdev);  in omap_mbox_remove()