63 static int ljca_i2c_init(struct ljca_i2c_dev *ljca_i2c, u8 id)  in ljca_i2c_init()  argument
66 			(struct ljca_i2c_rw_packet *)ljca_i2c->obuf;  in ljca_i2c_init()
73 	ret = ljca_transfer(ljca_i2c->ljca, LJCA_I2C_INIT, (u8 *)w_packet,  in ljca_i2c_init()
79 static int ljca_i2c_start(struct ljca_i2c_dev *ljca_i2c, u8 target_addr,  in ljca_i2c_start()  argument
83 			(struct ljca_i2c_rw_packet *)ljca_i2c->obuf;  in ljca_i2c_start()
85 			(struct ljca_i2c_rw_packet *)ljca_i2c->ibuf;  in ljca_i2c_start()
89 	w_packet->id = ljca_i2c->i2c_info->id;  in ljca_i2c_start()
93 	ret = ljca_transfer(ljca_i2c->ljca, LJCA_I2C_START, (u8 *)w_packet,  in ljca_i2c_start()
101 		dev_dbg(&ljca_i2c->adap.dev,  in ljca_i2c_start()
110 static void ljca_i2c_stop(struct ljca_i2c_dev *ljca_i2c)  in ljca_i2c_stop()  argument
113 			(struct ljca_i2c_rw_packet *)ljca_i2c->obuf;  in ljca_i2c_stop()
115 			(struct ljca_i2c_rw_packet *)ljca_i2c->ibuf;  in ljca_i2c_stop()
119 	w_packet->id = ljca_i2c->i2c_info->id;  in ljca_i2c_stop()
123 	ret = ljca_transfer(ljca_i2c->ljca, LJCA_I2C_STOP, (u8 *)w_packet,  in ljca_i2c_stop()
127 		dev_dbg(&ljca_i2c->adap.dev,  in ljca_i2c_stop()
135 		dev_dbg(&ljca_i2c->adap.dev,  in ljca_i2c_stop()
140 static int ljca_i2c_pure_read(struct ljca_i2c_dev *ljca_i2c, u8 *data, u8 len)  in ljca_i2c_pure_read()  argument
143 			(struct ljca_i2c_rw_packet *)ljca_i2c->obuf;  in ljca_i2c_pure_read()
145 			(struct ljca_i2c_rw_packet *)ljca_i2c->ibuf;  in ljca_i2c_pure_read()
149 	w_packet->id = ljca_i2c->i2c_info->id;  in ljca_i2c_pure_read()
153 	ret = ljca_transfer(ljca_i2c->ljca, LJCA_I2C_READ, (u8 *)w_packet,  in ljca_i2c_pure_read()
161 		dev_dbg(&ljca_i2c->adap.dev,  in ljca_i2c_pure_read()
172 static int ljca_i2c_read(struct ljca_i2c_dev *ljca_i2c, u8 target_addr, u8 *data,  in ljca_i2c_read()  argument
177 	ret = ljca_i2c_start(ljca_i2c, target_addr, LJCA_I2C_READ_XFER_TYPE);  in ljca_i2c_read()
179 		ret = ljca_i2c_pure_read(ljca_i2c, data, len);  in ljca_i2c_read()
181 	ljca_i2c_stop(ljca_i2c);  in ljca_i2c_read()
186 static int ljca_i2c_pure_write(struct ljca_i2c_dev *ljca_i2c, u8 *data, u8 len)  in ljca_i2c_pure_write()  argument
189 			(struct ljca_i2c_rw_packet *)ljca_i2c->obuf;  in ljca_i2c_pure_write()
191 			(struct ljca_i2c_rw_packet *)ljca_i2c->ibuf;  in ljca_i2c_pure_write()
195 	w_packet->id = ljca_i2c->i2c_info->id;  in ljca_i2c_pure_write()
199 	ret = ljca_transfer(ljca_i2c->ljca, LJCA_I2C_WRITE, (u8 *)w_packet,  in ljca_i2c_pure_write()
207 		dev_dbg(&ljca_i2c->adap.dev,  in ljca_i2c_pure_write()
216 static int ljca_i2c_write(struct ljca_i2c_dev *ljca_i2c, u8 target_addr,  in ljca_i2c_write()  argument
221 	ret = ljca_i2c_start(ljca_i2c, target_addr, LJCA_I2C_WRITE_XFER_TYPE);  in ljca_i2c_write()
223 		ret = ljca_i2c_pure_write(ljca_i2c, data, len);  in ljca_i2c_write()
225 	ljca_i2c_stop(ljca_i2c);  in ljca_i2c_write()
233 	struct ljca_i2c_dev *ljca_i2c;  in ljca_i2c_xfer()  local
237 	ljca_i2c = i2c_get_adapdata(adapter);  in ljca_i2c_xfer()
238 	if (!ljca_i2c)  in ljca_i2c_xfer()
244 			ret = ljca_i2c_read(ljca_i2c, cur_msg->addr,  in ljca_i2c_xfer()
247 			ret = ljca_i2c_write(ljca_i2c, cur_msg->addr,  in ljca_i2c_xfer()
277 	struct ljca_i2c_dev *ljca_i2c;  in ljca_i2c_probe()  local
280 	ljca_i2c = devm_kzalloc(&auxdev->dev, sizeof(*ljca_i2c), GFP_KERNEL);  in ljca_i2c_probe()
281 	if (!ljca_i2c)  in ljca_i2c_probe()
284 	ljca_i2c->ljca = ljca;  in ljca_i2c_probe()
285 	ljca_i2c->i2c_info = dev_get_platdata(&auxdev->dev);  in ljca_i2c_probe()
287 	ljca_i2c->adap.owner = THIS_MODULE;  in ljca_i2c_probe()
288 	ljca_i2c->adap.class = I2C_CLASS_HWMON;  in ljca_i2c_probe()
289 	ljca_i2c->adap.algo = &ljca_i2c_algo;  in ljca_i2c_probe()
290 	ljca_i2c->adap.quirks = &ljca_i2c_quirks;  in ljca_i2c_probe()
291 	ljca_i2c->adap.dev.parent = &auxdev->dev;  in ljca_i2c_probe()
293 	snprintf(ljca_i2c->adap.name, sizeof(ljca_i2c->adap.name), "%s-%s-%d",  in ljca_i2c_probe()
295 		 ljca_i2c->i2c_info->id);  in ljca_i2c_probe()
297 	device_set_node(&ljca_i2c->adap.dev, dev_fwnode(&auxdev->dev));  in ljca_i2c_probe()
299 	i2c_set_adapdata(&ljca_i2c->adap, ljca_i2c);  in ljca_i2c_probe()
300 	auxiliary_set_drvdata(auxdev, ljca_i2c);  in ljca_i2c_probe()
302 	ret = ljca_i2c_init(ljca_i2c, ljca_i2c->i2c_info->id);  in ljca_i2c_probe()
306 				     ljca_i2c->i2c_info->id);  in ljca_i2c_probe()
308 	ret = devm_i2c_add_adapter(&auxdev->dev, &ljca_i2c->adap);  in ljca_i2c_probe()
312 	if (has_acpi_companion(&ljca_i2c->adap.dev))  in ljca_i2c_probe()
313 		acpi_dev_clear_dependencies(ACPI_COMPANION(&ljca_i2c->adap.dev));  in ljca_i2c_probe()
320 	struct ljca_i2c_dev *ljca_i2c = auxiliary_get_drvdata(auxdev);  in ljca_i2c_remove()  local
322 	i2c_del_adapter(&ljca_i2c->adap);  in ljca_i2c_remove()