i2c/busses/i2c-i801.c

16  *					region	SMBus	Block	proc.	block
89  * I2C block read transaction		yes (doesn't use the block buffer)
284 	/* Command state used by isr for byte-by-byte block transactions */
320 	"I2C block read",
329 	"\t\t  0x02  disable the block buffer\n"
330 	"\t\t  0x08  disable the I2C block read functionality\n"
339 		pci_err(priv->pci_dev, "Illegal SMBus block read size %u\n", len);
521 	/* Set block buffer mode */
525 		len = data->block[0];
529 			outb_p(data->block[i+1], SMBBLKDAT(priv));
544 		data->block[0] = len;
547 			data->block[i + 1] = inb_p(SMBBLKDAT(priv));
559 		 * the block length as invalid. Check for this sentinel value
560 		 * and read the block length from SMBHSTDAT0.
576 				"Discarding extra byte on block read\n");
660  * For "byte-by-byte" block transactions:
677 	len = data->block[0];
681 		outb_p(data->block[1], SMBBLKDAT(priv));
697 		priv->data = &data->block[1];
716 		 * the block length as invalid. Check for this sentinel value
717 		 * and read the block length from SMBHSTDAT0.
730 			data->block[0] = len;
734 			data->block[i] = inb_p(SMBBLKDAT(priv));
740 			outb_p(data->block[i+1], SMBBLKDAT(priv));
823 		/* Mark block length as invalid */
824 		data->block[0] = SMBUS_LEN_SENTINEL;
825 	else if (data->block[0] < 1 || data->block[0] > I2C_SMBUS_BLOCK_MAX)
847 	if (data->block[0] < 1 || data->block[0] > I2C_SMBUS_BLOCK_MAX)
868 		pci_err(priv->pci_dev, "I2C block read is unsupported!\n");
872 	/* Block buffer isn't supported for I2C block transactions */
961 	 * Enable host notify interrupt and block the generation of interrupt
1672 	/* The block process call uses block buffer mode */