41 static int i2c_amd_dma_map(struct amd_i2c_common *i2c_common)  in i2c_amd_dma_map()  argument
43 	struct device *dev_pci = &i2c_common->mp2_dev->pci_dev->dev;  in i2c_amd_dma_map()
44 	struct amd_i2c_dev *i2c_dev = amd_i2c_dev_common(i2c_common);  in i2c_amd_dma_map()
46 			i2c_common->msg->flags & I2C_M_RD ?  in i2c_amd_dma_map()
49 	i2c_common->dma_buf = i2c_get_dma_safe_msg_buf(i2c_common->msg, 0);  in i2c_amd_dma_map()
50 	i2c_common->dma_addr = dma_map_single(dev_pci, i2c_common->dma_buf,  in i2c_amd_dma_map()
51 					      i2c_common->msg->len,  in i2c_amd_dma_map()
54 	if (unlikely(dma_mapping_error(dev_pci, i2c_common->dma_addr))) {  in i2c_amd_dma_map()
57 			i2c_common->dma_buf);  in i2c_amd_dma_map()
64 static void i2c_amd_dma_unmap(struct amd_i2c_common *i2c_common)  in i2c_amd_dma_unmap()  argument
66 	struct device *dev_pci = &i2c_common->mp2_dev->pci_dev->dev;  in i2c_amd_dma_unmap()
68 			i2c_common->msg->flags & I2C_M_RD ?  in i2c_amd_dma_unmap()
71 	dma_unmap_single(dev_pci, i2c_common->dma_addr,  in i2c_amd_dma_unmap()
72 			 i2c_common->msg->len, dma_direction);  in i2c_amd_dma_unmap()
74 	i2c_put_dma_safe_msg_buf(i2c_common->dma_buf, i2c_common->msg, true);  in i2c_amd_dma_unmap()
79 	struct amd_i2c_common *i2c_common = &i2c_dev->common;  in i2c_amd_start_cmd()  local
82 	i2c_common->cmd_success = false;  in i2c_amd_start_cmd()
85 static void i2c_amd_cmd_completion(struct amd_i2c_common *i2c_common)  in i2c_amd_cmd_completion()  argument
87 	struct amd_i2c_dev *i2c_dev = amd_i2c_dev_common(i2c_common);  in i2c_amd_cmd_completion()
88 	union i2c_event *event = &i2c_common->eventval;  in i2c_amd_cmd_completion()
92 			i2c_common->msg->buf);  in i2c_amd_cmd_completion()
99 	struct amd_i2c_common *i2c_common = &i2c_dev->common;  in i2c_amd_check_cmd_completion()  local
105 	if ((i2c_common->reqcmd == i2c_read ||  in i2c_amd_check_cmd_completion()
106 	     i2c_common->reqcmd == i2c_write) &&  in i2c_amd_check_cmd_completion()
107 	    i2c_common->msg->len > 32)  in i2c_amd_check_cmd_completion()
108 		i2c_amd_dma_unmap(i2c_common);  in i2c_amd_check_cmd_completion()
111 		amd_mp2_rw_timeout(i2c_common);  in i2c_amd_check_cmd_completion()
115 	amd_mp2_process_event(i2c_common);  in i2c_amd_check_cmd_completion()
117 	if (!i2c_common->cmd_success)  in i2c_amd_check_cmd_completion()
125 	struct amd_i2c_common *i2c_common = &i2c_dev->common;  in i2c_amd_enable_set()  local
128 	amd_mp2_bus_enable_set(i2c_common, enable);  in i2c_amd_enable_set()
135 	struct amd_i2c_common *i2c_common = &i2c_dev->common;  in i2c_amd_xfer_msg()  local
138 	i2c_common->msg = pmsg;  in i2c_amd_xfer_msg()
141 		if (i2c_amd_dma_map(i2c_common))  in i2c_amd_xfer_msg()
145 		amd_mp2_rw(i2c_common, i2c_read);  in i2c_amd_xfer_msg()
147 		amd_mp2_rw(i2c_common, i2c_write);  in i2c_amd_xfer_msg()
187 static int i2c_amd_suspend(struct amd_i2c_common *i2c_common)  in i2c_amd_suspend()  argument
189 	struct amd_i2c_dev *i2c_dev = amd_i2c_dev_common(i2c_common);  in i2c_amd_suspend()
195 static int i2c_amd_resume(struct amd_i2c_common *i2c_common)  in i2c_amd_resume()  argument
197 	struct amd_i2c_dev *i2c_dev = amd_i2c_dev_common(i2c_common);  in i2c_amd_resume()
328 	struct amd_i2c_common *i2c_common = &i2c_dev->common;  in i2c_amd_remove()  local
333 	amd_mp2_unregister_cb(i2c_common);  in i2c_amd_remove()
334 	i2c_common->mp2_dev = NULL;  in i2c_amd_remove()