50 	struct rockchip_mbox *mb = dev_get_drvdata(chan->mbox->dev);  in rockchip_mbox_send_data()  local
58 	status = readl_relaxed(mb->mbox_base + MAILBOX_A2B_STATUS);  in rockchip_mbox_send_data()
60 		dev_err(mb->mbox.dev, "The mailbox channel is busy\n");  in rockchip_mbox_send_data()
64 	dev_dbg(mb->mbox.dev, "Chan[%d]: A2B message, cmd 0x%08x, data 0x%08x\n",  in rockchip_mbox_send_data()
67 	writel_relaxed(msg->cmd, mb->mbox_base + MAILBOX_A2B_CMD(chans->idx));  in rockchip_mbox_send_data()
68 	writel_relaxed(msg->data, mb->mbox_base +  in rockchip_mbox_send_data()
76 	struct rockchip_mbox *mb = dev_get_drvdata(chan->mbox->dev);  in rockchip_mbox_startup()  local
81 	spin_lock(&mb->cfg_lock);  in rockchip_mbox_startup()
82 	val = readl_relaxed(mb->mbox_base + MAILBOX_B2A_INTEN) |  in rockchip_mbox_startup()
84 	writel_relaxed(val, mb->mbox_base + MAILBOX_B2A_INTEN);  in rockchip_mbox_startup()
85 	spin_unlock(&mb->cfg_lock);  in rockchip_mbox_startup()
92 	struct rockchip_mbox *mb = dev_get_drvdata(chan->mbox->dev);  in rockchip_mbox_shutdown()  local
97 	spin_lock(&mb->cfg_lock);  in rockchip_mbox_shutdown()
98 	val = readl_relaxed(mb->mbox_base + MAILBOX_B2A_INTEN) &  in rockchip_mbox_shutdown()
100 	writel_relaxed(val, mb->mbox_base + MAILBOX_B2A_INTEN);  in rockchip_mbox_shutdown()
101 	spin_unlock(&mb->cfg_lock);  in rockchip_mbox_shutdown()
106 	struct rockchip_mbox *mb = dev_get_drvdata(chan->mbox->dev);  in rockchip_mbox_last_tx_done()  local
110 	status = readl_relaxed(mb->mbox_base + MAILBOX_A2B_STATUS);  in rockchip_mbox_last_tx_done()
124 	struct rockchip_mbox *mb;  in rockchip_mbox_read_msg()  local
130 	mb = dev_get_drvdata(chan->mbox->dev);  in rockchip_mbox_read_msg()
133 	msg->cmd  = mb->msg[chans->idx].cmd;  in rockchip_mbox_read_msg()
134 	msg->data = mb->msg[chans->idx].data;  in rockchip_mbox_read_msg()
144 	struct rockchip_mbox *mb = (struct rockchip_mbox *)dev_id;  in rockchip_mbox_irq()  local
145 	u32 status = readl_relaxed(mb->mbox_base + MAILBOX_B2A_STATUS);  in rockchip_mbox_irq()
147 	for (idx = 0; idx < mb->mbox.num_chans; idx++) {  in rockchip_mbox_irq()
148 		if ((status & (1U << idx)) && irq == mb->chans[idx].irq) {  in rockchip_mbox_irq()
150 			msg = &mb->msg[idx];  in rockchip_mbox_irq()
151 			msg->cmd = readl_relaxed(mb->mbox_base +  in rockchip_mbox_irq()
153 			msg->data = readl_relaxed(mb->mbox_base +  in rockchip_mbox_irq()
156 			dev_dbg(mb->mbox.dev, "Chan[%d]: B2A message, cmd 0x%08x, data 0x%08x\n",  in rockchip_mbox_irq()
159 			if (mb->mbox.chans[idx].cl)  in rockchip_mbox_irq()
160 				mbox_chan_received_data(&mb->mbox.chans[idx], msg);  in rockchip_mbox_irq()
164 				       mb->mbox_base + MAILBOX_B2A_STATUS);  in rockchip_mbox_irq()
183 	struct rockchip_mbox *mb;  in rockchip_mbox_probe()  local
196 	mb = devm_kzalloc(&pdev->dev, sizeof(*mb), GFP_KERNEL);  in rockchip_mbox_probe()
197 	if (!mb)  in rockchip_mbox_probe()
200 	mb->msg = devm_kcalloc(&pdev->dev, drv_data->num_chans,  in rockchip_mbox_probe()
201 			       sizeof(*mb->msg), GFP_KERNEL);  in rockchip_mbox_probe()
202 	if (!mb->msg)  in rockchip_mbox_probe()
205 	mb->chans = devm_kcalloc(&pdev->dev, drv_data->num_chans,  in rockchip_mbox_probe()
206 				 sizeof(*mb->chans), GFP_KERNEL);  in rockchip_mbox_probe()
207 	if (!mb->chans)  in rockchip_mbox_probe()
210 	mb->mbox.chans = devm_kcalloc(&pdev->dev, drv_data->num_chans,  in rockchip_mbox_probe()
211 				      sizeof(*mb->mbox.chans), GFP_KERNEL);  in rockchip_mbox_probe()
212 	if (!mb->mbox.chans)  in rockchip_mbox_probe()
215 	platform_set_drvdata(pdev, mb);  in rockchip_mbox_probe()
217 	mb->mbox.dev = &pdev->dev;  in rockchip_mbox_probe()
218 	mb->mbox.num_chans = drv_data->num_chans;  in rockchip_mbox_probe()
219 	mb->mbox.ops = &rockchip_mbox_chan_ops;  in rockchip_mbox_probe()
220 	spin_lock_init(&mb->cfg_lock);  in rockchip_mbox_probe()
222 	mb->mbox.txdone_poll = true;  in rockchip_mbox_probe()
224 	mb->mbox.txpoll_period = !ret ? txpoll_period : MAILBOX_POLLING_MS;  in rockchip_mbox_probe()
230 	mb->mbox_base = devm_ioremap_resource(&pdev->dev, res);  in rockchip_mbox_probe()
231 	if (IS_ERR(mb->mbox_base))  in rockchip_mbox_probe()
232 		return PTR_ERR(mb->mbox_base);  in rockchip_mbox_probe()
234 	mb->pclk = devm_clk_get(&pdev->dev, "pclk_mailbox");  in rockchip_mbox_probe()
235 	if (IS_ERR(mb->pclk)) {  in rockchip_mbox_probe()
236 		ret = PTR_ERR(mb->pclk);  in rockchip_mbox_probe()
242 	ret = clk_prepare_enable(mb->pclk);  in rockchip_mbox_probe()
248 	for (i = 0; i < mb->mbox.num_chans; i++) {  in rockchip_mbox_probe()
253 				mb->chans[i].irq = mb->chans[0].irq;  in rockchip_mbox_probe()
259 			mb->chans[i].irq = irq;  in rockchip_mbox_probe()
262 		mb->chans[i].idx = i;  in rockchip_mbox_probe()
263 		mb->mbox.chans[i].con_priv = &mb->chans[i];  in rockchip_mbox_probe()
266 	ret = devm_mbox_controller_register(&pdev->dev, &mb->mbox);  in rockchip_mbox_probe()
272 	for (i = 0; i < mb->mbox.num_chans; i++) {  in rockchip_mbox_probe()
274 		if (i > 0 && mb->chans[i].irq == mb->chans[0].irq)  in rockchip_mbox_probe()
277 		ret = devm_request_threaded_irq(&pdev->dev, mb->chans[i].irq,  in rockchip_mbox_probe()
282 						mb);  in rockchip_mbox_probe()
287 			enable_irq_wake(mb->chans[i].irq);  in rockchip_mbox_probe()
293 	clk_disable_unprepare(mb->pclk);  in rockchip_mbox_probe()