18    SMBus interfaces.
38 /* PIIX4 SMBus address offsets */
187 				"SMBus base address memory region 0x%x already in use.\n",  in piix4_sb800_region_request()
197 			dev_err(dev, "SMBus base address mapping failed.\n");  in piix4_sb800_region_request()
209 			"SMBus base address index region 0x%x already in use.\n",  in piix4_sb800_region_request()
234 	 * w/ SMBus PCI revision ID 0x51 or greater. MMIO is supported on  in piix4_sb800_use_mmio()
252 	/* On some motherboards, it was reported that accessing the SMBus  in piix4_setup()
256 			"Accessing the SMBus on this system is unsafe!\n");  in piix4_setup()
260 	/* Don't access SMBus on IBM systems which get corrupted eeproms */  in piix4_setup()
269 	/* Determine the address of the SMBus areas */  in piix4_setup()
277 			dev_err(&PIIX4_dev->dev, "SMBus base address "  in piix4_setup()
288 		dev_err(&PIIX4_dev->dev, "SMBus region 0x%x already in use!\n",  in piix4_setup()
301 		dev_info(&PIIX4_dev->dev, "WARNING: SMBus interface set to "  in piix4_setup()
306 			 * noted that many Dell machines have the SMBus  in piix4_setup()
316 				   "WARNING: SMBus interface has been FORCEFULLY ENABLED!\n");  in piix4_setup()
319 				"SMBus Host Controller not enabled!\n");  in piix4_setup()
326 		dev_dbg(&PIIX4_dev->dev, "Using IRQ for SMBus\n");  in piix4_setup()
328 		dev_dbg(&PIIX4_dev->dev, "Using SMI# for SMBus\n");  in piix4_setup()
335 		 "SMBus Host Controller at 0x%x, revision %d\n",  in piix4_setup()
381 			"SMBus Host Controller not enabled!\n");  in piix4_setup_sb800_smba()
397 	/* SB800 and later SMBus does not support forcing address */  in piix4_setup_sb800()
399 		dev_err(&PIIX4_dev->dev, "SMBus does not support "  in piix4_setup_sb800()
404 	/* Determine the address of the SMBus areas */  in piix4_setup_sb800()
427 		dev_err(&PIIX4_dev->dev, "SMBus region 0x%x already in use!\n",  in piix4_setup_sb800()
432 	/* Aux SMBus does not support IRQ information */  in piix4_setup_sb800()
435 			 "Auxiliary SMBus Host Controller at 0x%x\n",  in piix4_setup_sb800()
440 	/* Request the SMBus I2C bus config region */  in piix4_setup_sb800()
442 		dev_err(&PIIX4_dev->dev, "SMBus I2C bus config region "  in piix4_setup_sb800()
451 		dev_dbg(&PIIX4_dev->dev, "Using IRQ for SMBus\n");  in piix4_setup_sb800()
453 		dev_dbg(&PIIX4_dev->dev, "Using SMI# for SMBus\n");  in piix4_setup_sb800()
456 		 "SMBus Host Controller at 0x%x, revision %d\n",  in piix4_setup_sb800()
492 		 "Using register 0x%02x for SMBus port selection\n",  in piix4_setup_sb800()
502 	/* Set up auxiliary SMBus controllers found on some  in piix4_setup_aux()
507 	/* Read address of auxiliary SMBus controller */  in piix4_setup_aux()
511 			"Auxiliary SMBus controller not enabled\n");  in piix4_setup_aux()
518 			"Auxiliary SMBus base address uninitialized\n");  in piix4_setup_aux()
526 		dev_err(&PIIX4_dev->dev, "Auxiliary SMBus region 0x%x "  in piix4_setup_aux()
532 		 "Auxiliary SMBus Host Controller at 0x%x\n",  in piix4_setup_aux()
551 	/* Make sure the SMBus host is ready to start transmitting */  in piix4_transaction()
553 		dev_dbg(&piix4_adapter->dev, "SMBus busy (%02x). "  in piix4_transaction()
577 	/* If the SMBus is still busy, we give up */  in piix4_transaction()
579 		dev_err(&piix4_adapter->dev, "SMBus Timeout!\n");  in piix4_transaction()
590 		dev_dbg(&piix4_adapter->dev, "Bus collision! SMBus may be "  in piix4_transaction()
790  * Handles access to multiple SMBus ports on the SB800.
812 	/* Request the SMBUS semaphore, avoid conflicts with the IMC */  in piix4_access_sb800()
824 	/* SMBus is still owned by the IMC, we give up */  in piix4_access_sb800()
834 	 * All this is done through SMBus and can/will collide  in piix4_access_sb800()
973 		"SMBus PIIX4 adapter%s at %04x", name, smba);  in piix4_add_adapter()
1067 		 * Try to register multiplexed main SMBus adapter,  in piix4_probe()
1078 		/* Try to register main SMBus adapter, give up if we can't */  in piix4_probe()
1086 	/* Check for auxiliary SMBus on some AMD chipsets */  in piix4_probe()
1157 MODULE_DESCRIPTION("PIIX4 SMBus driver");