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647 lines
25 KiB
647 lines
25 KiB
/* ------------------------------------------------------------------------- */
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/* */
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/* i2c.h - definitions for the i2c-bus interface */
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/* */
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/* ------------------------------------------------------------------------- */
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/* Copyright (C) 1995-2000 Simon G. Vogl
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* ------------------------------------------------------------------------- */
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/* With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and
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Frodo Looijaard <frodol@dds.nl> */
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#ifndef _LINUX_I2C_H
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#define _LINUX_I2C_H
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/i2c-id.h>
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#include <linux/mod_devicetable.h>
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#include <linux/device.h> /* for struct device */
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#include <linux/sched.h> /* for completion */
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#include <asm/semaphore.h>
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/* --- For i2c-isa ---------------------------------------------------- */
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extern void i2c_adapter_dev_release(struct device *dev);
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extern struct device_driver i2c_adapter_driver;
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extern struct class i2c_adapter_class;
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extern struct bus_type i2c_bus_type;
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/* --- General options ------------------------------------------------ */
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struct i2c_msg;
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struct i2c_algorithm;
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struct i2c_adapter;
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struct i2c_client;
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struct i2c_driver;
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union i2c_smbus_data;
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/*
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* The master routines are the ones normally used to transmit data to devices
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* on a bus (or read from them). Apart from two basic transfer functions to
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* transmit one message at a time, a more complex version can be used to
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* transmit an arbitrary number of messages without interruption.
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*/
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extern int i2c_master_send(struct i2c_client *,const char* ,int);
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extern int i2c_master_recv(struct i2c_client *,char* ,int);
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/* Transfer num messages.
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*/
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extern int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num);
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/*
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* Some adapter types (i.e. PCF 8584 based ones) may support slave behaviuor.
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* This is not tested/implemented yet and will change in the future.
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*/
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extern int i2c_slave_send(struct i2c_client *,char*,int);
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extern int i2c_slave_recv(struct i2c_client *,char*,int);
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/* This is the very generalized SMBus access routine. You probably do not
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want to use this, though; one of the functions below may be much easier,
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and probably just as fast.
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Note that we use i2c_adapter here, because you do not need a specific
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smbus adapter to call this function. */
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extern s32 i2c_smbus_xfer (struct i2c_adapter * adapter, u16 addr,
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unsigned short flags,
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char read_write, u8 command, int size,
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union i2c_smbus_data * data);
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/* Now follow the 'nice' access routines. These also document the calling
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conventions of smbus_access. */
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extern s32 i2c_smbus_write_quick(struct i2c_client * client, u8 value);
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extern s32 i2c_smbus_read_byte(struct i2c_client * client);
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extern s32 i2c_smbus_write_byte(struct i2c_client * client, u8 value);
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extern s32 i2c_smbus_read_byte_data(struct i2c_client * client, u8 command);
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extern s32 i2c_smbus_write_byte_data(struct i2c_client * client,
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u8 command, u8 value);
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extern s32 i2c_smbus_read_word_data(struct i2c_client * client, u8 command);
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extern s32 i2c_smbus_write_word_data(struct i2c_client * client,
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u8 command, u16 value);
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extern s32 i2c_smbus_write_block_data(struct i2c_client * client,
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u8 command, u8 length,
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u8 *values);
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/* Returns the number of read bytes */
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extern s32 i2c_smbus_read_i2c_block_data(struct i2c_client * client,
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u8 command, u8 *values);
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/*
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* A driver is capable of handling one or more physical devices present on
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* I2C adapters. This information is used to inform the driver of adapter
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* events.
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*
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* The driver.owner field should be set to the module owner of this driver.
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* The driver.name field should be set to the name of this driver.
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*/
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struct i2c_driver {
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int id;
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unsigned int class;
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/* Notifies the driver that a new bus has appeared. This routine
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* can be used by the driver to test if the bus meets its conditions
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* & seek for the presence of the chip(s) it supports. If found, it
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* registers the client(s) that are on the bus to the i2c admin. via
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* i2c_attach_client.
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*/
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int (*attach_adapter)(struct i2c_adapter *);
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int (*detach_adapter)(struct i2c_adapter *);
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/* tells the driver that a client is about to be deleted & gives it
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* the chance to remove its private data. Also, if the client struct
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* has been dynamically allocated by the driver in the function above,
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* it must be freed here.
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*/
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int (*detach_client)(struct i2c_client *);
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/* a ioctl like command that can be used to perform specific functions
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* with the device.
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*/
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int (*command)(struct i2c_client *client,unsigned int cmd, void *arg);
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struct device_driver driver;
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struct list_head list;
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};
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#define to_i2c_driver(d) container_of(d, struct i2c_driver, driver)
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#define I2C_NAME_SIZE 50
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/*
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* i2c_client identifies a single device (i.e. chip) that is connected to an
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* i2c bus. The behaviour is defined by the routines of the driver. This
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* function is mainly used for lookup & other admin. functions.
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*/
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struct i2c_client {
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unsigned int flags; /* div., see below */
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unsigned short addr; /* chip address - NOTE: 7bit */
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/* addresses are stored in the */
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/* _LOWER_ 7 bits */
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struct i2c_adapter *adapter; /* the adapter we sit on */
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struct i2c_driver *driver; /* and our access routines */
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int usage_count; /* How many accesses currently */
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/* to the client */
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struct device dev; /* the device structure */
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struct list_head list;
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char name[I2C_NAME_SIZE];
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struct completion released;
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};
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#define to_i2c_client(d) container_of(d, struct i2c_client, dev)
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static inline struct i2c_client *kobj_to_i2c_client(struct kobject *kobj)
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{
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return to_i2c_client(container_of(kobj, struct device, kobj));
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}
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static inline void *i2c_get_clientdata (struct i2c_client *dev)
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{
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return dev_get_drvdata (&dev->dev);
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}
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static inline void i2c_set_clientdata (struct i2c_client *dev, void *data)
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{
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dev_set_drvdata (&dev->dev, data);
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}
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/*
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* The following structs are for those who like to implement new bus drivers:
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* i2c_algorithm is the interface to a class of hardware solutions which can
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* be addressed using the same bus algorithms - i.e. bit-banging or the PCF8584
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* to name two of the most common.
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*/
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struct i2c_algorithm {
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/* If an adapter algorithm can't do I2C-level access, set master_xfer
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to NULL. If an adapter algorithm can do SMBus access, set
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smbus_xfer. If set to NULL, the SMBus protocol is simulated
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using common I2C messages */
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int (*master_xfer)(struct i2c_adapter *adap,struct i2c_msg *msgs,
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int num);
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int (*smbus_xfer) (struct i2c_adapter *adap, u16 addr,
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unsigned short flags, char read_write,
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u8 command, int size, union i2c_smbus_data * data);
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/* --- these optional/future use for some adapter types.*/
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int (*slave_send)(struct i2c_adapter *,char*,int);
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int (*slave_recv)(struct i2c_adapter *,char*,int);
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/* --- ioctl like call to set div. parameters. */
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int (*algo_control)(struct i2c_adapter *, unsigned int, unsigned long);
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/* To determine what the adapter supports */
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u32 (*functionality) (struct i2c_adapter *);
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};
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/*
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* i2c_adapter is the structure used to identify a physical i2c bus along
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* with the access algorithms necessary to access it.
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*/
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struct i2c_adapter {
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struct module *owner;
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unsigned int id;
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unsigned int class;
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struct i2c_algorithm *algo;/* the algorithm to access the bus */
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void *algo_data;
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/* --- administration stuff. */
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int (*client_register)(struct i2c_client *);
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int (*client_unregister)(struct i2c_client *);
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/* data fields that are valid for all devices */
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struct semaphore bus_lock;
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struct semaphore clist_lock;
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int timeout;
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int retries;
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struct device dev; /* the adapter device */
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struct class_device class_dev; /* the class device */
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int nr;
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struct list_head clients;
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struct list_head list;
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char name[I2C_NAME_SIZE];
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struct completion dev_released;
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struct completion class_dev_released;
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};
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#define dev_to_i2c_adapter(d) container_of(d, struct i2c_adapter, dev)
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#define class_dev_to_i2c_adapter(d) container_of(d, struct i2c_adapter, class_dev)
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static inline void *i2c_get_adapdata (struct i2c_adapter *dev)
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{
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return dev_get_drvdata (&dev->dev);
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}
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static inline void i2c_set_adapdata (struct i2c_adapter *dev, void *data)
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{
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dev_set_drvdata (&dev->dev, data);
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}
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/*flags for the client struct: */
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#define I2C_CLIENT_PEC 0x04 /* Use Packet Error Checking */
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#define I2C_CLIENT_TEN 0x10 /* we have a ten bit chip address */
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/* Must equal I2C_M_TEN below */
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/* i2c adapter classes (bitmask) */
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#define I2C_CLASS_HWMON (1<<0) /* lm_sensors, ... */
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#define I2C_CLASS_TV_ANALOG (1<<1) /* bttv + friends */
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#define I2C_CLASS_TV_DIGITAL (1<<2) /* dvb cards */
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#define I2C_CLASS_DDC (1<<3) /* i2c-matroxfb ? */
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#define I2C_CLASS_CAM_ANALOG (1<<4) /* camera with analog CCD */
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#define I2C_CLASS_CAM_DIGITAL (1<<5) /* most webcams */
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#define I2C_CLASS_SOUND (1<<6) /* sound devices */
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#define I2C_CLASS_ALL (UINT_MAX) /* all of the above */
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/* i2c_client_address_data is the struct for holding default client
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* addresses for a driver and for the parameters supplied on the
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* command line
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*/
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struct i2c_client_address_data {
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unsigned short *normal_i2c;
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unsigned short *probe;
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unsigned short *ignore;
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unsigned short **forces;
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};
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/* Internal numbers to terminate lists */
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#define I2C_CLIENT_END 0xfffeU
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/* The numbers to use to set I2C bus address */
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#define ANY_I2C_BUS 0xffff
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#define ANY_I2C_ISA_BUS 9191
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/* ----- functions exported by i2c.o */
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/* administration...
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*/
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extern int i2c_add_adapter(struct i2c_adapter *);
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extern int i2c_del_adapter(struct i2c_adapter *);
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extern int i2c_register_driver(struct module *, struct i2c_driver *);
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extern int i2c_del_driver(struct i2c_driver *);
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static inline int i2c_add_driver(struct i2c_driver *driver)
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{
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return i2c_register_driver(THIS_MODULE, driver);
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}
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extern int i2c_attach_client(struct i2c_client *);
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extern int i2c_detach_client(struct i2c_client *);
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/* Should be used to make sure that client-struct is valid and that it
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is okay to access the i2c-client.
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returns -ENODEV if client has gone in the meantime */
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extern int i2c_use_client(struct i2c_client *);
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extern int i2c_release_client(struct i2c_client *);
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/* call the i2c_client->command() of all attached clients with
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* the given arguments */
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extern void i2c_clients_command(struct i2c_adapter *adap,
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unsigned int cmd, void *arg);
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/* returns -EBUSY if address has been taken, 0 if not. Note that the only
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other place at which this is called is within i2c_attach_client; so
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you can cheat by simply not registering. Not recommended, of course! */
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extern int i2c_check_addr (struct i2c_adapter *adapter, int addr);
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/* Detect function. It iterates over all possible addresses itself.
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* It will only call found_proc if some client is connected at the
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* specific address (unless a 'force' matched);
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*/
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extern int i2c_probe(struct i2c_adapter *adapter,
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struct i2c_client_address_data *address_data,
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int (*found_proc) (struct i2c_adapter *, int, int));
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/* An ioctl like call to set div. parameters of the adapter.
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*/
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extern int i2c_control(struct i2c_client *,unsigned int, unsigned long);
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extern struct i2c_adapter* i2c_get_adapter(int id);
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extern void i2c_put_adapter(struct i2c_adapter *adap);
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/* Return the functionality mask */
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static inline u32 i2c_get_functionality(struct i2c_adapter *adap)
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{
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return adap->algo->functionality(adap);
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}
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/* Return 1 if adapter supports everything we need, 0 if not. */
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static inline int i2c_check_functionality(struct i2c_adapter *adap, u32 func)
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{
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return (func & i2c_get_functionality(adap)) == func;
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}
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/* Return id number for a specific adapter */
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static inline int i2c_adapter_id(struct i2c_adapter *adap)
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{
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return adap->nr;
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}
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/*
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* I2C Message - used for pure i2c transaction, also from /dev interface
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*/
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struct i2c_msg {
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__u16 addr; /* slave address */
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__u16 flags;
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#define I2C_M_TEN 0x10 /* we have a ten bit chip address */
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#define I2C_M_RD 0x01
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#define I2C_M_NOSTART 0x4000
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#define I2C_M_REV_DIR_ADDR 0x2000
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#define I2C_M_IGNORE_NAK 0x1000
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#define I2C_M_NO_RD_ACK 0x0800
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__u16 len; /* msg length */
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__u8 *buf; /* pointer to msg data */
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};
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/* To determine what functionality is present */
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#define I2C_FUNC_I2C 0x00000001
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#define I2C_FUNC_10BIT_ADDR 0x00000002
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#define I2C_FUNC_PROTOCOL_MANGLING 0x00000004 /* I2C_M_{REV_DIR_ADDR,NOSTART,..} */
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#define I2C_FUNC_SMBUS_HWPEC_CALC 0x00000008 /* SMBus 2.0 */
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#define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000 /* SMBus 2.0 */
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#define I2C_FUNC_SMBUS_QUICK 0x00010000
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#define I2C_FUNC_SMBUS_READ_BYTE 0x00020000
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#define I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000
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#define I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000
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#define I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000
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#define I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000
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#define I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000
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#define I2C_FUNC_SMBUS_PROC_CALL 0x00800000
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#define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000
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#define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000
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#define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000 /* I2C-like block xfer */
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#define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000 /* w/ 1-byte reg. addr. */
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#define I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 0x10000000 /* I2C-like block xfer */
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#define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2 0x20000000 /* w/ 2-byte reg. addr. */
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#define I2C_FUNC_SMBUS_BYTE (I2C_FUNC_SMBUS_READ_BYTE | \
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I2C_FUNC_SMBUS_WRITE_BYTE)
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#define I2C_FUNC_SMBUS_BYTE_DATA (I2C_FUNC_SMBUS_READ_BYTE_DATA | \
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I2C_FUNC_SMBUS_WRITE_BYTE_DATA)
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#define I2C_FUNC_SMBUS_WORD_DATA (I2C_FUNC_SMBUS_READ_WORD_DATA | \
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I2C_FUNC_SMBUS_WRITE_WORD_DATA)
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#define I2C_FUNC_SMBUS_BLOCK_DATA (I2C_FUNC_SMBUS_READ_BLOCK_DATA | \
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I2C_FUNC_SMBUS_WRITE_BLOCK_DATA)
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#define I2C_FUNC_SMBUS_I2C_BLOCK (I2C_FUNC_SMBUS_READ_I2C_BLOCK | \
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I2C_FUNC_SMBUS_WRITE_I2C_BLOCK)
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#define I2C_FUNC_SMBUS_I2C_BLOCK_2 (I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 | \
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I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2)
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#define I2C_FUNC_SMBUS_EMUL (I2C_FUNC_SMBUS_QUICK | \
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I2C_FUNC_SMBUS_BYTE | \
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I2C_FUNC_SMBUS_BYTE_DATA | \
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I2C_FUNC_SMBUS_WORD_DATA | \
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I2C_FUNC_SMBUS_PROC_CALL | \
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I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | \
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I2C_FUNC_SMBUS_I2C_BLOCK)
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/*
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* Data for SMBus Messages
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*/
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#define I2C_SMBUS_BLOCK_MAX 32 /* As specified in SMBus standard */
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union i2c_smbus_data {
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__u8 byte;
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__u16 word;
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__u8 block[I2C_SMBUS_BLOCK_MAX + 2]; /* block[0] is used for length */
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/* and one more for user-space compatibility */
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};
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/* smbus_access read or write markers */
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#define I2C_SMBUS_READ 1
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#define I2C_SMBUS_WRITE 0
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/* SMBus transaction types (size parameter in the above functions)
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Note: these no longer correspond to the (arbitrary) PIIX4 internal codes! */
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#define I2C_SMBUS_QUICK 0
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#define I2C_SMBUS_BYTE 1
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#define I2C_SMBUS_BYTE_DATA 2
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#define I2C_SMBUS_WORD_DATA 3
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#define I2C_SMBUS_PROC_CALL 4
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#define I2C_SMBUS_BLOCK_DATA 5
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#define I2C_SMBUS_I2C_BLOCK_DATA 6
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#define I2C_SMBUS_BLOCK_PROC_CALL 7 /* SMBus 2.0 */
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/* ----- commands for the ioctl like i2c_command call:
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* note that additional calls are defined in the algorithm and hw
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* dependent layers - these can be listed here, or see the
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* corresponding header files.
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*/
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/* -> bit-adapter specific ioctls */
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#define I2C_RETRIES 0x0701 /* number of times a device address */
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/* should be polled when not */
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/* acknowledging */
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#define I2C_TIMEOUT 0x0702 /* set timeout - call with int */
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/* this is for i2c-dev.c */
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#define I2C_SLAVE 0x0703 /* Change slave address */
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/* Attn.: Slave address is 7 or 10 bits */
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#define I2C_SLAVE_FORCE 0x0706 /* Change slave address */
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/* Attn.: Slave address is 7 or 10 bits */
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/* This changes the address, even if it */
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/* is already taken! */
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#define I2C_TENBIT 0x0704 /* 0 for 7 bit addrs, != 0 for 10 bit */
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#define I2C_FUNCS 0x0705 /* Get the adapter functionality */
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#define I2C_RDWR 0x0707 /* Combined R/W transfer (one stop only)*/
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#define I2C_PEC 0x0708 /* != 0 for SMBus PEC */
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#define I2C_SMBUS 0x0720 /* SMBus-level access */
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/* ----- I2C-DEV: char device interface stuff ------------------------- */
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#define I2C_MAJOR 89 /* Device major number */
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/* These defines are used for probing i2c client addresses */
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/* The length of the option lists */
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#define I2C_CLIENT_MAX_OPTS 48
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/* Default fill of many variables */
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#define I2C_CLIENT_DEFAULTS {I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
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I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
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I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
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I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
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I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
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I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
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I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
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I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
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I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
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I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
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I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
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I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
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I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
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I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
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I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
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I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END}
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/* I2C_CLIENT_MODULE_PARM creates a module parameter, and puts it in the
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module header */
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#define I2C_CLIENT_MODULE_PARM(var,desc) \
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static unsigned short var[I2C_CLIENT_MAX_OPTS] = I2C_CLIENT_DEFAULTS; \
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static unsigned int var##_num; \
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module_param_array(var, short, &var##_num, 0); \
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MODULE_PARM_DESC(var,desc)
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#define I2C_CLIENT_MODULE_PARM_FORCE(name) \
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I2C_CLIENT_MODULE_PARM(force_##name, \
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"List of adapter,address pairs which are " \
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"unquestionably assumed to contain a `" \
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# name "' chip")
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#define I2C_CLIENT_INSMOD_COMMON \
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I2C_CLIENT_MODULE_PARM(probe, "List of adapter,address pairs to scan " \
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"additionally"); \
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I2C_CLIENT_MODULE_PARM(ignore, "List of adapter,address pairs not to " \
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"scan"); \
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static struct i2c_client_address_data addr_data = { \
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.normal_i2c = normal_i2c, \
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.probe = probe, \
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.ignore = ignore, \
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.forces = forces, \
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}
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/* These are the ones you want to use in your own drivers. Pick the one
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which matches the number of devices the driver differenciates between. */
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#define I2C_CLIENT_INSMOD \
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I2C_CLIENT_MODULE_PARM(force, \
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"List of adapter,address pairs to boldly assume " \
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"to be present"); \
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static unsigned short *forces[] = { \
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force, \
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NULL \
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}; \
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I2C_CLIENT_INSMOD_COMMON
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#define I2C_CLIENT_INSMOD_1(chip1) \
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enum chips { any_chip, chip1 }; \
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I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
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"boldly assume to be present"); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
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static unsigned short *forces[] = { force, force_##chip1, NULL }; \
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I2C_CLIENT_INSMOD_COMMON
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#define I2C_CLIENT_INSMOD_2(chip1, chip2) \
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enum chips { any_chip, chip1, chip2 }; \
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I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
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"boldly assume to be present"); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
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static unsigned short *forces[] = { force, force_##chip1, \
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force_##chip2, NULL }; \
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I2C_CLIENT_INSMOD_COMMON
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#define I2C_CLIENT_INSMOD_3(chip1, chip2, chip3) \
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enum chips { any_chip, chip1, chip2, chip3 }; \
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I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
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"boldly assume to be present"); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
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static unsigned short *forces[] = { force, force_##chip1, \
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force_##chip2, force_##chip3, \
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NULL }; \
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I2C_CLIENT_INSMOD_COMMON
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#define I2C_CLIENT_INSMOD_4(chip1, chip2, chip3, chip4) \
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enum chips { any_chip, chip1, chip2, chip3, chip4 }; \
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I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
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"boldly assume to be present"); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
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static unsigned short *forces[] = { force, force_##chip1, \
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force_##chip2, force_##chip3, \
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force_##chip4, NULL}; \
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I2C_CLIENT_INSMOD_COMMON
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#define I2C_CLIENT_INSMOD_5(chip1, chip2, chip3, chip4, chip5) \
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enum chips { any_chip, chip1, chip2, chip3, chip4, chip5 }; \
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I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
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"boldly assume to be present"); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
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static unsigned short *forces[] = { force, force_##chip1, \
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force_##chip2, force_##chip3, \
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force_##chip4, force_##chip5, \
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NULL }; \
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I2C_CLIENT_INSMOD_COMMON
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#define I2C_CLIENT_INSMOD_6(chip1, chip2, chip3, chip4, chip5, chip6) \
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enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6 }; \
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I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
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"boldly assume to be present"); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
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static unsigned short *forces[] = { force, force_##chip1, \
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force_##chip2, force_##chip3, \
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force_##chip4, force_##chip5, \
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force_##chip6, NULL }; \
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I2C_CLIENT_INSMOD_COMMON
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#define I2C_CLIENT_INSMOD_7(chip1, chip2, chip3, chip4, chip5, chip6, chip7) \
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enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \
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chip7 }; \
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I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
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"boldly assume to be present"); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip7); \
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static unsigned short *forces[] = { force, force_##chip1, \
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force_##chip2, force_##chip3, \
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force_##chip4, force_##chip5, \
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force_##chip6, force_##chip7, \
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NULL }; \
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I2C_CLIENT_INSMOD_COMMON
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#define I2C_CLIENT_INSMOD_8(chip1, chip2, chip3, chip4, chip5, chip6, chip7, chip8) \
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enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \
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chip7, chip8 }; \
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I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
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"boldly assume to be present"); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip7); \
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I2C_CLIENT_MODULE_PARM_FORCE(chip8); \
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static unsigned short *forces[] = { force, force_##chip1, \
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force_##chip2, force_##chip3, \
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force_##chip4, force_##chip5, \
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force_##chip6, force_##chip7, \
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force_##chip8, NULL }; \
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I2C_CLIENT_INSMOD_COMMON
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#endif /* _LINUX_I2C_H */
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