64 			    struct ipu6_buttress_ipc *ipc)  in ipu6_buttress_ipc_reset()  argument
71 		dev_dbg(&isp->pdev->dev, "Skip IPC reset for non-secure mode");  in ipu6_buttress_ipc_reset()
78 	val = readl(isp->base + ipc->csr_in);  in ipu6_buttress_ipc_reset()
79 	writel(val, isp->base + ipc->csr_in);  in ipu6_buttress_ipc_reset()
82 	writel(ENTRY, isp->base + ipc->csr_out);  in ipu6_buttress_ipc_reset()
97 		val = readl(isp->base + ipc->csr_in);  in ipu6_buttress_ipc_reset()
108 			writel(ENTRY | EXIT, isp->base + ipc->csr_in);  in ipu6_buttress_ipc_reset()
109 			writel(QUERY, isp->base + ipc->csr_out);  in ipu6_buttress_ipc_reset()
120 			writel(ENTRY | QUERY, isp->base + ipc->csr_in);  in ipu6_buttress_ipc_reset()
121 			writel(ENTRY, isp->base + ipc->csr_out);  in ipu6_buttress_ipc_reset()
138 			writel(EXIT, isp->base + ipc->csr_in);  in ipu6_buttress_ipc_reset()
139 			writel(0, isp->base + ipc->db0_in);  in ipu6_buttress_ipc_reset()
140 			writel(csr_in_clr, isp->base + ipc->csr_in);  in ipu6_buttress_ipc_reset()
141 			writel(EXIT, isp->base + ipc->csr_out);  in ipu6_buttress_ipc_reset()
148 			val = readl(isp->base + ipc->csr_in);  in ipu6_buttress_ipc_reset()
163 			writel(QUERY, isp->base + ipc->csr_in);  in ipu6_buttress_ipc_reset()
164 			writel(ENTRY, isp->base + ipc->csr_out);  in ipu6_buttress_ipc_reset()
180 					     struct ipu6_buttress_ipc *ipc)  in ipu6_buttress_ipc_validity_close()  argument
183 	       isp->base + ipc->csr_out);  in ipu6_buttress_ipc_validity_close()
188 				struct ipu6_buttress_ipc *ipc)  in ipu6_buttress_ipc_validity_open()  argument
196 	       isp->base + ipc->csr_out);  in ipu6_buttress_ipc_validity_open()
198 	addr = isp->base + ipc->csr_in;  in ipu6_buttress_ipc_validity_open()
203 		ipu6_buttress_ipc_validity_close(isp, ipc);  in ipu6_buttress_ipc_validity_open()
210 				   struct ipu6_buttress_ipc *ipc, u32 *ipc_msg)  in ipu6_buttress_ipc_recv()  argument
213 		*ipc_msg = readl(isp->base + ipc->data0_in);  in ipu6_buttress_ipc_recv()
214 	writel(0, isp->base + ipc->db0_in);  in ipu6_buttress_ipc_recv()
224 	struct ipu6_buttress_ipc *ipc = &b->cse;  in ipu6_buttress_ipc_send_bulk()  local
231 	ret = ipu6_buttress_ipc_validity_open(isp, ipc);  in ipu6_buttress_ipc_send_bulk()
233 		dev_err(&isp->pdev->dev, "IPC validity open failed\n");  in ipu6_buttress_ipc_send_bulk()
241 		reinit_completion(&ipc->send_complete);  in ipu6_buttress_ipc_send_bulk()
243 			reinit_completion(&ipc->recv_complete);  in ipu6_buttress_ipc_send_bulk()
245 		dev_dbg(&isp->pdev->dev, "bulk IPC command: 0x%x\n",  in ipu6_buttress_ipc_send_bulk()
247 		writel(msgs[i].cmd, isp->base + ipc->data0_out);  in ipu6_buttress_ipc_send_bulk()
249 		writel(val, isp->base + ipc->db0_out);  in ipu6_buttress_ipc_send_bulk()
251 		tout = wait_for_completion_timeout(&ipc->send_complete,  in ipu6_buttress_ipc_send_bulk()
254 			dev_err(&isp->pdev->dev, "send IPC response timeout\n");  in ipu6_buttress_ipc_send_bulk()
261 			writel(0, isp->base + ipc->db0_out);  in ipu6_buttress_ipc_send_bulk()
271 		tout = wait_for_completion_timeout(&ipc->recv_complete,  in ipu6_buttress_ipc_send_bulk()
274 			dev_err(&isp->pdev->dev, "recv IPC response timeout\n");  in ipu6_buttress_ipc_send_bulk()
279 		if (ipc->nack_mask &&  in ipu6_buttress_ipc_send_bulk()
280 		    (ipc->recv_data & ipc->nack_mask) == ipc->nack) {  in ipu6_buttress_ipc_send_bulk()
282 				"IPC NACK for cmd 0x%x\n", msgs[i].cmd);  in ipu6_buttress_ipc_send_bulk()
287 		if (ipc->recv_data != msgs[i].expected_resp) {  in ipu6_buttress_ipc_send_bulk()
289 				"expected resp: 0x%x, IPC response: 0x%x ",  in ipu6_buttress_ipc_send_bulk()
290 				msgs[i].expected_resp, ipc->recv_data);  in ipu6_buttress_ipc_send_bulk()
296 	dev_dbg(&isp->pdev->dev, "bulk IPC commands done\n");  in ipu6_buttress_ipc_send_bulk()
299 	ipu6_buttress_ipc_validity_close(isp, ipc);  in ipu6_buttress_ipc_send_bulk()
885 				 "IPC reset protocol failed, retrying\n");  in ipu6_buttress_init()
887 			dev_dbg(&isp->pdev->dev, "IPC reset done\n");  in ipu6_buttress_init()
892 	dev_err(&isp->pdev->dev, "IPC reset protocol failed\n");  in ipu6_buttress_init()