161 static int i2c_outb(struct i2c_adapter *i2c_adap, unsigned char c)  in i2c_outb()  argument
166 	struct i2c_algo_bit_data *adap = i2c_adap->algo_data;  in i2c_outb()
174 			bit_dbg(1, &i2c_adap->dev, "i2c_outb: 0x%02x, "  in i2c_outb()
188 		bit_dbg(1, &i2c_adap->dev, "i2c_outb: 0x%02x, "  in i2c_outb()
197 	bit_dbg(2, &i2c_adap->dev, "i2c_outb: 0x%02x %s\n", (int)c,  in i2c_outb()
206 static int i2c_inb(struct i2c_adapter *i2c_adap)  in i2c_inb()  argument
212 	struct i2c_algo_bit_data *adap = i2c_adap->algo_data;  in i2c_inb()
218 			bit_dbg(1, &i2c_adap->dev, "i2c_inb: timeout at bit "  in i2c_inb()
236 static int test_bus(struct i2c_adapter *i2c_adap)  in test_bus()  argument
238 	struct i2c_algo_bit_data *adap = i2c_adap->algo_data;  in test_bus()
239 	const char *name = i2c_adap->name;  in test_bus()
243 		ret = adap->pre_xfer(i2c_adap);  in test_bus()
313 		adap->post_xfer(i2c_adap);  in test_bus()
322 		adap->post_xfer(i2c_adap);  in test_bus()
337 static int try_address(struct i2c_adapter *i2c_adap,  in try_address()  argument
340 	struct i2c_algo_bit_data *adap = i2c_adap->algo_data;  in try_address()
344 		ret = i2c_outb(i2c_adap, addr);  in try_address()
347 		bit_dbg(3, &i2c_adap->dev, "emitting stop condition\n");  in try_address()
351 		bit_dbg(3, &i2c_adap->dev, "emitting start condition\n");  in try_address()
355 		bit_dbg(1, &i2c_adap->dev, "Used %d tries to %s client at "  in try_address()
362 static int sendbytes(struct i2c_adapter *i2c_adap, struct i2c_msg *msg)  in sendbytes()  argument
371 		retval = i2c_outb(i2c_adap, *temp);  in sendbytes()
384 			dev_err(&i2c_adap->dev, "sendbytes: NAK bailout.\n");  in sendbytes()
395 			dev_err(&i2c_adap->dev, "sendbytes: error %d\n",  in sendbytes()
403 static int acknak(struct i2c_adapter *i2c_adap, int is_ack)  in acknak()  argument
405 	struct i2c_algo_bit_data *adap = i2c_adap->algo_data;  in acknak()
412 		dev_err(&i2c_adap->dev, "readbytes: ack/nak timeout\n");  in acknak()
419 static int readbytes(struct i2c_adapter *i2c_adap, struct i2c_msg *msg)  in readbytes()  argument
428 		inval = i2c_inb(i2c_adap);  in readbytes()
444 					acknak(i2c_adap, 0);  in readbytes()
445 				dev_err(&i2c_adap->dev, "readbytes: invalid "  in readbytes()
456 		bit_dbg(2, &i2c_adap->dev, "readbytes: 0x%02x %s\n",  in readbytes()
463 			inval = acknak(i2c_adap, count);  in readbytes()
479 static int bit_doAddress(struct i2c_adapter *i2c_adap, struct i2c_msg *msg)  in bit_doAddress()  argument
483 	struct i2c_algo_bit_data *adap = i2c_adap->algo_data;  in bit_doAddress()
488 	retries = nak_ok ? 0 : i2c_adap->retries;  in bit_doAddress()
493 		bit_dbg(2, &i2c_adap->dev, "addr0: %d\n", addr);  in bit_doAddress()
495 		ret = try_address(i2c_adap, addr, retries);  in bit_doAddress()
497 			dev_err(&i2c_adap->dev,  in bit_doAddress()
502 		ret = i2c_outb(i2c_adap, msg->addr & 0xff);  in bit_doAddress()
505 			dev_err(&i2c_adap->dev, "died at 2nd address code\n");  in bit_doAddress()
509 			bit_dbg(3, &i2c_adap->dev, "emitting repeated "  in bit_doAddress()
514 			ret = try_address(i2c_adap, addr, retries);  in bit_doAddress()
516 				dev_err(&i2c_adap->dev,  in bit_doAddress()
527 		ret = try_address(i2c_adap, addr, retries);  in bit_doAddress()
535 static int bit_xfer(struct i2c_adapter *i2c_adap,  in bit_xfer()  argument
539 	struct i2c_algo_bit_data *adap = i2c_adap->algo_data;  in bit_xfer()
544 		ret = adap->pre_xfer(i2c_adap);  in bit_xfer()
549 	bit_dbg(3, &i2c_adap->dev, "emitting start condition\n");  in bit_xfer()
556 				bit_dbg(3, &i2c_adap->dev, "emitting "  in bit_xfer()
560 			ret = bit_doAddress(i2c_adap, pmsg);  in bit_xfer()
562 				bit_dbg(1, &i2c_adap->dev, "NAK from "  in bit_xfer()
570 			ret = readbytes(i2c_adap, pmsg);  in bit_xfer()
572 				bit_dbg(2, &i2c_adap->dev, "read %d byte%s\n",  in bit_xfer()
581 			ret = sendbytes(i2c_adap, pmsg);  in bit_xfer()
583 				bit_dbg(2, &i2c_adap->dev, "wrote %d byte%s\n",  in bit_xfer()
595 	bit_dbg(3, &i2c_adap->dev, "emitting stop condition\n");  in bit_xfer()
599 		adap->post_xfer(i2c_adap);  in bit_xfer()