125 static int i2c_transfer(struct mv_i2c *base, struct mv_i2c_msg *msg)  in i2c_transfer()  argument
129 	if (!msg)  in i2c_transfer()
132 	switch (msg->direction) {  in i2c_transfer()
141 		writel(msg->data, &base->idbr);  in i2c_transfer()
142 		if (msg->condition == I2C_COND_START)  in i2c_transfer()
144 		if (msg->condition == I2C_COND_STOP)  in i2c_transfer()
146 		if (msg->acknack == I2C_ACKNAK_SENDNAK)  in i2c_transfer()
148 		if (msg->acknack == I2C_ACKNAK_SENDACK)  in i2c_transfer()
161 		if (msg->acknack == I2C_ACKNAK_WAITACK)  in i2c_transfer()
175 		if (msg->condition == I2C_COND_START)  in i2c_transfer()
177 		if (msg->condition == I2C_COND_STOP)  in i2c_transfer()
179 		if (msg->acknack == I2C_ACKNAK_SENDNAK)  in i2c_transfer()
181 		if (msg->acknack == I2C_ACKNAK_SENDACK)  in i2c_transfer()
190 		msg->data = readl(&base->idbr);  in i2c_transfer()
240 	struct mv_i2c_msg msg;  in __i2c_read()  local
254 	msg.condition = I2C_COND_START;  in __i2c_read()
255 	msg.acknack   = I2C_ACKNAK_WAITACK;  in __i2c_read()
256 	msg.direction = I2C_WRITE;  in __i2c_read()
257 	msg.data = (chip << 1);  in __i2c_read()
258 	msg.data &= 0xFE;  in __i2c_read()
259 	if (i2c_transfer(base, &msg))  in __i2c_read()
269 		msg.condition = I2C_COND_NORMAL;  in __i2c_read()
270 		msg.acknack   = I2C_ACKNAK_WAITACK;  in __i2c_read()
271 		msg.direction = I2C_WRITE;  in __i2c_read()
272 		msg.data      = addr[alen];  in __i2c_read()
273 		if (i2c_transfer(base, &msg))  in __i2c_read()
279 	msg.condition = I2C_COND_START;  in __i2c_read()
280 	msg.acknack   = I2C_ACKNAK_WAITACK;  in __i2c_read()
281 	msg.direction = I2C_WRITE;  in __i2c_read()
282 	msg.data      = (chip << 1);  in __i2c_read()
283 	msg.data     |= 0x01;  in __i2c_read()
284 	if (i2c_transfer(base, &msg))  in __i2c_read()
290 			msg.condition = I2C_COND_STOP;  in __i2c_read()
291 			msg.acknack   = I2C_ACKNAK_SENDNAK;  in __i2c_read()
293 			msg.condition = I2C_COND_NORMAL;  in __i2c_read()
294 			msg.acknack   = I2C_ACKNAK_SENDACK;  in __i2c_read()
297 		msg.direction = I2C_READ;  in __i2c_read()
298 		msg.data      = 0x00;  in __i2c_read()
299 		if (i2c_transfer(base, &msg))  in __i2c_read()
302 		*buffer = msg.data;  in __i2c_read()
316 	struct mv_i2c_msg msg;  in __i2c_write()  local
325 	msg.condition = I2C_COND_START;  in __i2c_write()
326 	msg.acknack   = I2C_ACKNAK_WAITACK;  in __i2c_write()
327 	msg.direction = I2C_WRITE;  in __i2c_write()
328 	msg.data = (chip << 1);  in __i2c_write()
329 	msg.data &= 0xFE;  in __i2c_write()
330 	if (i2c_transfer(base, &msg))  in __i2c_write()
340 		msg.condition = I2C_COND_NORMAL;  in __i2c_write()
341 		msg.acknack   = I2C_ACKNAK_WAITACK;  in __i2c_write()
342 		msg.direction = I2C_WRITE;  in __i2c_write()
343 		msg.data      = addr[alen];  in __i2c_write()
344 		if (i2c_transfer(base, &msg))  in __i2c_write()
354 			msg.condition = I2C_COND_STOP;  in __i2c_write()
356 			msg.condition = I2C_COND_NORMAL;  in __i2c_write()
358 		msg.acknack   = I2C_ACKNAK_WAITACK;  in __i2c_write()
359 		msg.direction = I2C_WRITE;  in __i2c_write()
360 		msg.data      = *(buffer++);  in __i2c_write()
362 		if (i2c_transfer(base, &msg))  in __i2c_write()
448 	struct mv_i2c_msg msg;  in __i2c_probe_chip()  local
452 	msg.condition = I2C_COND_START;  in __i2c_probe_chip()
453 	msg.acknack   = I2C_ACKNAK_WAITACK;  in __i2c_probe_chip()
454 	msg.direction = I2C_WRITE;  in __i2c_probe_chip()
455 	msg.data      = (chip << 1) + 1;  in __i2c_probe_chip()
456 	if (i2c_transfer(base, &msg))  in __i2c_probe_chip()
459 	msg.condition = I2C_COND_STOP;  in __i2c_probe_chip()
460 	msg.acknack   = I2C_ACKNAK_SENDNAK;  in __i2c_probe_chip()
461 	msg.direction = I2C_READ;  in __i2c_probe_chip()
462 	msg.data      = 0x00;  in __i2c_probe_chip()
463 	if (i2c_transfer(base, &msg))  in __i2c_probe_chip()
536 static int mv_i2c_xfer(struct udevice *bus, struct i2c_msg *msg, int nmsgs)  in mv_i2c_xfer()  argument
552 	omsg = nmsgs == 1 ? &dummy : msg;  in mv_i2c_xfer()
553 	dmsg = nmsgs == 1 ? msg : msg + 1;  in mv_i2c_xfer()