40 	struct i2c_adapter adap;  member
61 static int uniphier_i2c_xfer_byte(struct i2c_adapter *adap, u32 txdata,  in uniphier_i2c_xfer_byte()  argument
64 	struct uniphier_i2c_priv *priv = i2c_get_adapdata(adap);  in uniphier_i2c_xfer_byte()
73 	time_left = wait_for_completion_timeout(&priv->comp, adap->timeout);  in uniphier_i2c_xfer_byte()
75 		dev_err(&adap->dev, "transaction timeout\n");  in uniphier_i2c_xfer_byte()
86 static int uniphier_i2c_send_byte(struct i2c_adapter *adap, u32 txdata)  in uniphier_i2c_send_byte()  argument
91 	ret = uniphier_i2c_xfer_byte(adap, txdata, &rxdata);  in uniphier_i2c_send_byte()
104 static int uniphier_i2c_tx(struct i2c_adapter *adap, u16 addr, u16 len,  in uniphier_i2c_tx()  argument
109 	ret = uniphier_i2c_send_byte(adap, addr << 1 |  in uniphier_i2c_tx()
116 		ret = uniphier_i2c_send_byte(adap,  in uniphier_i2c_tx()
125 static int uniphier_i2c_rx(struct i2c_adapter *adap, u16 addr, u16 len,  in uniphier_i2c_rx()  argument
130 	ret = uniphier_i2c_send_byte(adap, addr << 1 |  in uniphier_i2c_rx()
140 		ret = uniphier_i2c_xfer_byte(adap,  in uniphier_i2c_rx()
151 static int uniphier_i2c_stop(struct i2c_adapter *adap)  in uniphier_i2c_stop()  argument
153 	return uniphier_i2c_send_byte(adap, UNIPHIER_I2C_DTRM_STO |  in uniphier_i2c_stop()
157 static int uniphier_i2c_master_xfer_one(struct i2c_adapter *adap,  in uniphier_i2c_master_xfer_one()  argument
165 		ret = uniphier_i2c_rx(adap, msg->addr, msg->len, msg->buf);  in uniphier_i2c_master_xfer_one()
167 		ret = uniphier_i2c_tx(adap, msg->addr, msg->len, msg->buf);  in uniphier_i2c_master_xfer_one()
179 		int ret2 = uniphier_i2c_stop(adap);  in uniphier_i2c_master_xfer_one()
189 		i2c_recover_bus(adap);  in uniphier_i2c_master_xfer_one()
194 static int uniphier_i2c_check_bus_busy(struct i2c_adapter *adap)  in uniphier_i2c_check_bus_busy()  argument
196 	struct uniphier_i2c_priv *priv = i2c_get_adapdata(adap);  in uniphier_i2c_check_bus_busy()
205 			i2c_recover_bus(adap);  in uniphier_i2c_check_bus_busy()
216 static int uniphier_i2c_master_xfer(struct i2c_adapter *adap,  in uniphier_i2c_master_xfer()  argument
222 	ret = uniphier_i2c_check_bus_busy(adap);  in uniphier_i2c_master_xfer()
230 		ret = uniphier_i2c_master_xfer_one(adap, msg, stop);  in uniphier_i2c_master_xfer()
238 static u32 uniphier_i2c_functionality(struct i2c_adapter *adap)  in uniphier_i2c_functionality()  argument
256 static int uniphier_i2c_get_scl(struct i2c_adapter *adap)  in uniphier_i2c_get_scl()  argument
258 	struct uniphier_i2c_priv *priv = i2c_get_adapdata(adap);  in uniphier_i2c_get_scl()
264 static void uniphier_i2c_set_scl(struct i2c_adapter *adap, int val)  in uniphier_i2c_set_scl()  argument
266 	struct uniphier_i2c_priv *priv = i2c_get_adapdata(adap);  in uniphier_i2c_set_scl()
272 static int uniphier_i2c_get_sda(struct i2c_adapter *adap)  in uniphier_i2c_get_sda()  argument
274 	struct uniphier_i2c_priv *priv = i2c_get_adapdata(adap);  in uniphier_i2c_get_sda()
280 static void uniphier_i2c_unprepare_recovery(struct i2c_adapter *adap)  in uniphier_i2c_unprepare_recovery()  argument
282 	uniphier_i2c_reset(i2c_get_adapdata(adap), false);  in uniphier_i2c_unprepare_recovery()
352 	priv->adap.owner = THIS_MODULE;  in uniphier_i2c_probe()
353 	priv->adap.algo = &uniphier_i2c_algo;  in uniphier_i2c_probe()
354 	priv->adap.dev.parent = dev;  in uniphier_i2c_probe()
355 	priv->adap.dev.of_node = dev->of_node;  in uniphier_i2c_probe()
356 	strscpy(priv->adap.name, "UniPhier I2C", sizeof(priv->adap.name));  in uniphier_i2c_probe()
357 	priv->adap.bus_recovery_info = &uniphier_i2c_bus_recovery_info;  in uniphier_i2c_probe()
358 	i2c_set_adapdata(&priv->adap, priv);  in uniphier_i2c_probe()
370 	return i2c_add_adapter(&priv->adap);  in uniphier_i2c_probe()
377 	i2c_del_adapter(&priv->adap);  in uniphier_i2c_remove()