1 /* ------------------------------------------------------------------------- */
3 /* i2c.h - definitions for the i2c-bus interface */
5 /* ------------------------------------------------------------------------- */
6 /* Copyright (C) 1995-2000 Simon G. Vogl
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
21 /* ------------------------------------------------------------------------- */
23 /* With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and
24 Frodo Looijaard <frodol@dds.nl> */
29 #include <linux/types.h>
31 #include <linux/module.h>
32 #include <linux/i2c-id.h>
33 #include <linux/mod_devicetable.h>
34 #include <linux/device.h> /* for struct device */
35 #include <linux/sched.h> /* for completion */
36 #include <linux/mutex.h>
38 /* --- For i2c-isa ---------------------------------------------------- */
40 extern void i2c_adapter_dev_release(struct device *dev);
41 extern struct class i2c_adapter_class;
42 extern struct bus_type i2c_bus_type;
44 /* --- General options ------------------------------------------------ */
54 * The master routines are the ones normally used to transmit data to devices
55 * on a bus (or read from them). Apart from two basic transfer functions to
56 * transmit one message at a time, a more complex version can be used to
57 * transmit an arbitrary number of messages without interruption.
59 extern int i2c_master_send(struct i2c_client *,const char* ,int);
60 extern int i2c_master_recv(struct i2c_client *,char* ,int);
62 /* Transfer num messages.
64 extern int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num);
67 /* This is the very generalized SMBus access routine. You probably do not
68 want to use this, though; one of the functions below may be much easier,
69 and probably just as fast.
70 Note that we use i2c_adapter here, because you do not need a specific
71 smbus adapter to call this function. */
72 extern s32 i2c_smbus_xfer (struct i2c_adapter * adapter, u16 addr,
74 char read_write, u8 command, int size,
75 union i2c_smbus_data * data);
77 /* Now follow the 'nice' access routines. These also document the calling
78 conventions of smbus_access. */
80 extern s32 i2c_smbus_write_quick(struct i2c_client * client, u8 value);
81 extern s32 i2c_smbus_read_byte(struct i2c_client * client);
82 extern s32 i2c_smbus_write_byte(struct i2c_client * client, u8 value);
83 extern s32 i2c_smbus_read_byte_data(struct i2c_client * client, u8 command);
84 extern s32 i2c_smbus_write_byte_data(struct i2c_client * client,
85 u8 command, u8 value);
86 extern s32 i2c_smbus_read_word_data(struct i2c_client * client, u8 command);
87 extern s32 i2c_smbus_write_word_data(struct i2c_client * client,
88 u8 command, u16 value);
89 extern s32 i2c_smbus_write_block_data(struct i2c_client * client,
90 u8 command, u8 length,
92 /* Returns the number of read bytes */
93 extern s32 i2c_smbus_read_i2c_block_data(struct i2c_client * client,
94 u8 command, u8 *values);
95 extern s32 i2c_smbus_write_i2c_block_data(struct i2c_client * client,
96 u8 command, u8 length,
100 * A driver is capable of handling one or more physical devices present on
101 * I2C adapters. This information is used to inform the driver of adapter
104 * The driver.owner field should be set to the module owner of this driver.
105 * The driver.name field should be set to the name of this driver.
112 /* Notifies the driver that a new bus has appeared. This routine
113 * can be used by the driver to test if the bus meets its conditions
114 * & seek for the presence of the chip(s) it supports. If found, it
115 * registers the client(s) that are on the bus to the i2c admin. via
118 int (*attach_adapter)(struct i2c_adapter *);
119 int (*detach_adapter)(struct i2c_adapter *);
121 /* tells the driver that a client is about to be deleted & gives it
122 * the chance to remove its private data. Also, if the client struct
123 * has been dynamically allocated by the driver in the function above,
124 * it must be freed here.
126 int (*detach_client)(struct i2c_client *);
128 /* driver model interfaces that don't relate to enumeration */
129 void (*shutdown)(struct i2c_client *);
130 int (*suspend)(struct i2c_client *, pm_message_t mesg);
131 int (*resume)(struct i2c_client *);
133 /* a ioctl like command that can be used to perform specific functions
136 int (*command)(struct i2c_client *client,unsigned int cmd, void *arg);
138 struct device_driver driver;
139 struct list_head list;
141 #define to_i2c_driver(d) container_of(d, struct i2c_driver, driver)
143 #define I2C_NAME_SIZE 20
146 * struct i2c_client - represent an I2C slave device
147 * @addr: Address used on the I2C bus connected to the parent adapter.
148 * @name: Indicates the type of the device, usually a chip name that's
149 * generic enough to hide second-sourcing and compatible revisions.
150 * @dev: Driver model device node for the slave.
152 * An i2c_client identifies a single device (i.e. chip) connected to an
153 * i2c bus. The behaviour is defined by the routines of the driver.
156 unsigned short flags; /* div., see below */
157 unsigned short addr; /* chip address - NOTE: 7bit */
158 /* addresses are stored in the */
160 char name[I2C_NAME_SIZE];
161 struct i2c_adapter *adapter; /* the adapter we sit on */
162 struct i2c_driver *driver; /* and our access routines */
163 int usage_count; /* How many accesses currently */
165 struct device dev; /* the device structure */
166 struct list_head list;
167 struct completion released;
169 #define to_i2c_client(d) container_of(d, struct i2c_client, dev)
171 static inline struct i2c_client *kobj_to_i2c_client(struct kobject *kobj)
173 return to_i2c_client(container_of(kobj, struct device, kobj));
176 static inline void *i2c_get_clientdata (struct i2c_client *dev)
178 return dev_get_drvdata (&dev->dev);
181 static inline void i2c_set_clientdata (struct i2c_client *dev, void *data)
183 dev_set_drvdata (&dev->dev, data);
187 * The following structs are for those who like to implement new bus drivers:
188 * i2c_algorithm is the interface to a class of hardware solutions which can
189 * be addressed using the same bus algorithms - i.e. bit-banging or the PCF8584
190 * to name two of the most common.
192 struct i2c_algorithm {
193 /* If an adapter algorithm can't do I2C-level access, set master_xfer
194 to NULL. If an adapter algorithm can do SMBus access, set
195 smbus_xfer. If set to NULL, the SMBus protocol is simulated
196 using common I2C messages */
197 /* master_xfer should return the number of messages successfully
198 processed, or a negative value on error */
199 int (*master_xfer)(struct i2c_adapter *adap,struct i2c_msg *msgs,
201 int (*smbus_xfer) (struct i2c_adapter *adap, u16 addr,
202 unsigned short flags, char read_write,
203 u8 command, int size, union i2c_smbus_data * data);
205 /* --- ioctl like call to set div. parameters. */
206 int (*algo_control)(struct i2c_adapter *, unsigned int, unsigned long);
208 /* To determine what the adapter supports */
209 u32 (*functionality) (struct i2c_adapter *);
213 * i2c_adapter is the structure used to identify a physical i2c bus along
214 * with the access algorithms necessary to access it.
217 struct module *owner;
220 const struct i2c_algorithm *algo; /* the algorithm to access the bus */
223 /* --- administration stuff. */
224 int (*client_register)(struct i2c_client *);
225 int (*client_unregister)(struct i2c_client *);
227 /* data fields that are valid for all devices */
228 u8 level; /* nesting level for lockdep */
229 struct mutex bus_lock;
230 struct mutex clist_lock;
234 struct device dev; /* the adapter device */
237 struct list_head clients;
238 struct list_head list;
240 struct completion dev_released;
242 #define to_i2c_adapter(d) container_of(d, struct i2c_adapter, dev)
244 static inline void *i2c_get_adapdata (struct i2c_adapter *dev)
246 return dev_get_drvdata (&dev->dev);
249 static inline void i2c_set_adapdata (struct i2c_adapter *dev, void *data)
251 dev_set_drvdata (&dev->dev, data);
254 /*flags for the client struct: */
255 #define I2C_CLIENT_PEC 0x04 /* Use Packet Error Checking */
256 #define I2C_CLIENT_TEN 0x10 /* we have a ten bit chip address */
257 /* Must equal I2C_M_TEN below */
259 /* i2c adapter classes (bitmask) */
260 #define I2C_CLASS_HWMON (1<<0) /* lm_sensors, ... */
261 #define I2C_CLASS_TV_ANALOG (1<<1) /* bttv + friends */
262 #define I2C_CLASS_TV_DIGITAL (1<<2) /* dvb cards */
263 #define I2C_CLASS_DDC (1<<3) /* i2c-matroxfb ? */
264 #define I2C_CLASS_CAM_ANALOG (1<<4) /* camera with analog CCD */
265 #define I2C_CLASS_CAM_DIGITAL (1<<5) /* most webcams */
266 #define I2C_CLASS_SOUND (1<<6) /* sound devices */
267 #define I2C_CLASS_ALL (UINT_MAX) /* all of the above */
269 /* i2c_client_address_data is the struct for holding default client
270 * addresses for a driver and for the parameters supplied on the
273 struct i2c_client_address_data {
274 unsigned short *normal_i2c;
275 unsigned short *probe;
276 unsigned short *ignore;
277 unsigned short **forces;
280 /* Internal numbers to terminate lists */
281 #define I2C_CLIENT_END 0xfffeU
283 /* The numbers to use to set I2C bus address */
284 #define ANY_I2C_BUS 0xffff
285 #define ANY_I2C_ISA_BUS 9191
288 /* ----- functions exported by i2c.o */
292 extern int i2c_add_adapter(struct i2c_adapter *);
293 extern int i2c_del_adapter(struct i2c_adapter *);
295 extern int i2c_register_driver(struct module *, struct i2c_driver *);
296 extern int i2c_del_driver(struct i2c_driver *);
298 static inline int i2c_add_driver(struct i2c_driver *driver)
300 return i2c_register_driver(THIS_MODULE, driver);
303 extern int i2c_attach_client(struct i2c_client *);
304 extern int i2c_detach_client(struct i2c_client *);
306 /* Should be used to make sure that client-struct is valid and that it
307 is okay to access the i2c-client.
308 returns -ENODEV if client has gone in the meantime */
309 extern int i2c_use_client(struct i2c_client *);
310 extern int i2c_release_client(struct i2c_client *);
312 /* call the i2c_client->command() of all attached clients with
313 * the given arguments */
314 extern void i2c_clients_command(struct i2c_adapter *adap,
315 unsigned int cmd, void *arg);
317 /* returns -EBUSY if address has been taken, 0 if not. Note that the only
318 other place at which this is called is within i2c_attach_client; so
319 you can cheat by simply not registering. Not recommended, of course! */
320 extern int i2c_check_addr (struct i2c_adapter *adapter, int addr);
322 /* Detect function. It iterates over all possible addresses itself.
323 * It will only call found_proc if some client is connected at the
324 * specific address (unless a 'force' matched);
326 extern int i2c_probe(struct i2c_adapter *adapter,
327 struct i2c_client_address_data *address_data,
328 int (*found_proc) (struct i2c_adapter *, int, int));
330 /* An ioctl like call to set div. parameters of the adapter.
332 extern int i2c_control(struct i2c_client *,unsigned int, unsigned long);
334 extern struct i2c_adapter* i2c_get_adapter(int id);
335 extern void i2c_put_adapter(struct i2c_adapter *adap);
338 /* Return the functionality mask */
339 static inline u32 i2c_get_functionality(struct i2c_adapter *adap)
341 return adap->algo->functionality(adap);
344 /* Return 1 if adapter supports everything we need, 0 if not. */
345 static inline int i2c_check_functionality(struct i2c_adapter *adap, u32 func)
347 return (func & i2c_get_functionality(adap)) == func;
350 /* Return id number for a specific adapter */
351 static inline int i2c_adapter_id(struct i2c_adapter *adap)
355 #endif /* __KERNEL__ */
358 * I2C Message - used for pure i2c transaction, also from /dev interface
361 __u16 addr; /* slave address */
363 #define I2C_M_TEN 0x10 /* we have a ten bit chip address */
364 #define I2C_M_RD 0x01
365 #define I2C_M_NOSTART 0x4000
366 #define I2C_M_REV_DIR_ADDR 0x2000
367 #define I2C_M_IGNORE_NAK 0x1000
368 #define I2C_M_NO_RD_ACK 0x0800
369 #define I2C_M_RECV_LEN 0x0400 /* length will be first received byte */
370 __u16 len; /* msg length */
371 __u8 *buf; /* pointer to msg data */
374 /* To determine what functionality is present */
376 #define I2C_FUNC_I2C 0x00000001
377 #define I2C_FUNC_10BIT_ADDR 0x00000002
378 #define I2C_FUNC_PROTOCOL_MANGLING 0x00000004 /* I2C_M_{REV_DIR_ADDR,NOSTART,..} */
379 #define I2C_FUNC_SMBUS_HWPEC_CALC 0x00000008 /* SMBus 2.0 */
380 #define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000 /* SMBus 2.0 */
381 #define I2C_FUNC_SMBUS_QUICK 0x00010000
382 #define I2C_FUNC_SMBUS_READ_BYTE 0x00020000
383 #define I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000
384 #define I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000
385 #define I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000
386 #define I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000
387 #define I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000
388 #define I2C_FUNC_SMBUS_PROC_CALL 0x00800000
389 #define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000
390 #define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000
391 #define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000 /* I2C-like block xfer */
392 #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000 /* w/ 1-byte reg. addr. */
393 #define I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 0x10000000 /* I2C-like block xfer */
394 #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2 0x20000000 /* w/ 2-byte reg. addr. */
396 #define I2C_FUNC_SMBUS_BYTE (I2C_FUNC_SMBUS_READ_BYTE | \
397 I2C_FUNC_SMBUS_WRITE_BYTE)
398 #define I2C_FUNC_SMBUS_BYTE_DATA (I2C_FUNC_SMBUS_READ_BYTE_DATA | \
399 I2C_FUNC_SMBUS_WRITE_BYTE_DATA)
400 #define I2C_FUNC_SMBUS_WORD_DATA (I2C_FUNC_SMBUS_READ_WORD_DATA | \
401 I2C_FUNC_SMBUS_WRITE_WORD_DATA)
402 #define I2C_FUNC_SMBUS_BLOCK_DATA (I2C_FUNC_SMBUS_READ_BLOCK_DATA | \
403 I2C_FUNC_SMBUS_WRITE_BLOCK_DATA)
404 #define I2C_FUNC_SMBUS_I2C_BLOCK (I2C_FUNC_SMBUS_READ_I2C_BLOCK | \
405 I2C_FUNC_SMBUS_WRITE_I2C_BLOCK)
406 #define I2C_FUNC_SMBUS_I2C_BLOCK_2 (I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 | \
407 I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2)
409 #define I2C_FUNC_SMBUS_EMUL (I2C_FUNC_SMBUS_QUICK | \
410 I2C_FUNC_SMBUS_BYTE | \
411 I2C_FUNC_SMBUS_BYTE_DATA | \
412 I2C_FUNC_SMBUS_WORD_DATA | \
413 I2C_FUNC_SMBUS_PROC_CALL | \
414 I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | \
415 I2C_FUNC_SMBUS_I2C_BLOCK)
418 * Data for SMBus Messages
420 #define I2C_SMBUS_BLOCK_MAX 32 /* As specified in SMBus standard */
421 union i2c_smbus_data {
424 __u8 block[I2C_SMBUS_BLOCK_MAX + 2]; /* block[0] is used for length */
425 /* and one more for user-space compatibility */
428 /* smbus_access read or write markers */
429 #define I2C_SMBUS_READ 1
430 #define I2C_SMBUS_WRITE 0
432 /* SMBus transaction types (size parameter in the above functions)
433 Note: these no longer correspond to the (arbitrary) PIIX4 internal codes! */
434 #define I2C_SMBUS_QUICK 0
435 #define I2C_SMBUS_BYTE 1
436 #define I2C_SMBUS_BYTE_DATA 2
437 #define I2C_SMBUS_WORD_DATA 3
438 #define I2C_SMBUS_PROC_CALL 4
439 #define I2C_SMBUS_BLOCK_DATA 5
440 #define I2C_SMBUS_I2C_BLOCK_DATA 6
441 #define I2C_SMBUS_BLOCK_PROC_CALL 7 /* SMBus 2.0 */
444 /* ----- commands for the ioctl like i2c_command call:
445 * note that additional calls are defined in the algorithm and hw
446 * dependent layers - these can be listed here, or see the
447 * corresponding header files.
449 /* -> bit-adapter specific ioctls */
450 #define I2C_RETRIES 0x0701 /* number of times a device address */
451 /* should be polled when not */
453 #define I2C_TIMEOUT 0x0702 /* set timeout - call with int */
456 /* this is for i2c-dev.c */
457 #define I2C_SLAVE 0x0703 /* Change slave address */
458 /* Attn.: Slave address is 7 or 10 bits */
459 #define I2C_SLAVE_FORCE 0x0706 /* Change slave address */
460 /* Attn.: Slave address is 7 or 10 bits */
461 /* This changes the address, even if it */
462 /* is already taken! */
463 #define I2C_TENBIT 0x0704 /* 0 for 7 bit addrs, != 0 for 10 bit */
465 #define I2C_FUNCS 0x0705 /* Get the adapter functionality */
466 #define I2C_RDWR 0x0707 /* Combined R/W transfer (one stop only)*/
467 #define I2C_PEC 0x0708 /* != 0 for SMBus PEC */
469 #define I2C_SMBUS 0x0720 /* SMBus-level access */
471 /* ----- I2C-DEV: char device interface stuff ------------------------- */
474 #define I2C_MAJOR 89 /* Device major number */
476 /* These defines are used for probing i2c client addresses */
477 /* The length of the option lists */
478 #define I2C_CLIENT_MAX_OPTS 48
480 /* Default fill of many variables */
481 #define I2C_CLIENT_DEFAULTS {I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
482 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
483 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
484 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
485 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
486 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
487 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
488 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
489 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
490 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
491 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
492 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
493 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
494 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
495 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
496 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END}
498 /* I2C_CLIENT_MODULE_PARM creates a module parameter, and puts it in the
501 #define I2C_CLIENT_MODULE_PARM(var,desc) \
502 static unsigned short var[I2C_CLIENT_MAX_OPTS] = I2C_CLIENT_DEFAULTS; \
503 static unsigned int var##_num; \
504 module_param_array(var, short, &var##_num, 0); \
505 MODULE_PARM_DESC(var,desc)
507 #define I2C_CLIENT_MODULE_PARM_FORCE(name) \
508 I2C_CLIENT_MODULE_PARM(force_##name, \
509 "List of adapter,address pairs which are " \
510 "unquestionably assumed to contain a `" \
514 #define I2C_CLIENT_INSMOD_COMMON \
515 I2C_CLIENT_MODULE_PARM(probe, "List of adapter,address pairs to scan " \
517 I2C_CLIENT_MODULE_PARM(ignore, "List of adapter,address pairs not to " \
519 static struct i2c_client_address_data addr_data = { \
520 .normal_i2c = normal_i2c, \
526 /* These are the ones you want to use in your own drivers. Pick the one
527 which matches the number of devices the driver differenciates between. */
528 #define I2C_CLIENT_INSMOD \
529 I2C_CLIENT_MODULE_PARM(force, \
530 "List of adapter,address pairs to boldly assume " \
532 static unsigned short *forces[] = { \
536 I2C_CLIENT_INSMOD_COMMON
538 #define I2C_CLIENT_INSMOD_1(chip1) \
539 enum chips { any_chip, chip1 }; \
540 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
541 "boldly assume to be present"); \
542 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
543 static unsigned short *forces[] = { force, force_##chip1, NULL }; \
544 I2C_CLIENT_INSMOD_COMMON
546 #define I2C_CLIENT_INSMOD_2(chip1, chip2) \
547 enum chips { any_chip, chip1, chip2 }; \
548 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
549 "boldly assume to be present"); \
550 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
551 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
552 static unsigned short *forces[] = { force, force_##chip1, \
553 force_##chip2, NULL }; \
554 I2C_CLIENT_INSMOD_COMMON
556 #define I2C_CLIENT_INSMOD_3(chip1, chip2, chip3) \
557 enum chips { any_chip, chip1, chip2, chip3 }; \
558 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
559 "boldly assume to be present"); \
560 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
561 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
562 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
563 static unsigned short *forces[] = { force, force_##chip1, \
564 force_##chip2, force_##chip3, \
566 I2C_CLIENT_INSMOD_COMMON
568 #define I2C_CLIENT_INSMOD_4(chip1, chip2, chip3, chip4) \
569 enum chips { any_chip, chip1, chip2, chip3, chip4 }; \
570 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
571 "boldly assume to be present"); \
572 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
573 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
574 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
575 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
576 static unsigned short *forces[] = { force, force_##chip1, \
577 force_##chip2, force_##chip3, \
578 force_##chip4, NULL}; \
579 I2C_CLIENT_INSMOD_COMMON
581 #define I2C_CLIENT_INSMOD_5(chip1, chip2, chip3, chip4, chip5) \
582 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5 }; \
583 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
584 "boldly assume to be present"); \
585 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
586 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
587 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
588 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
589 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
590 static unsigned short *forces[] = { force, force_##chip1, \
591 force_##chip2, force_##chip3, \
592 force_##chip4, force_##chip5, \
594 I2C_CLIENT_INSMOD_COMMON
596 #define I2C_CLIENT_INSMOD_6(chip1, chip2, chip3, chip4, chip5, chip6) \
597 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6 }; \
598 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
599 "boldly assume to be present"); \
600 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
601 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
602 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
603 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
604 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
605 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
606 static unsigned short *forces[] = { force, force_##chip1, \
607 force_##chip2, force_##chip3, \
608 force_##chip4, force_##chip5, \
609 force_##chip6, NULL }; \
610 I2C_CLIENT_INSMOD_COMMON
612 #define I2C_CLIENT_INSMOD_7(chip1, chip2, chip3, chip4, chip5, chip6, chip7) \
613 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \
615 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
616 "boldly assume to be present"); \
617 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
618 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
619 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
620 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
621 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
622 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
623 I2C_CLIENT_MODULE_PARM_FORCE(chip7); \
624 static unsigned short *forces[] = { force, force_##chip1, \
625 force_##chip2, force_##chip3, \
626 force_##chip4, force_##chip5, \
627 force_##chip6, force_##chip7, \
629 I2C_CLIENT_INSMOD_COMMON
631 #define I2C_CLIENT_INSMOD_8(chip1, chip2, chip3, chip4, chip5, chip6, chip7, chip8) \
632 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \
634 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
635 "boldly assume to be present"); \
636 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
637 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
638 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
639 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
640 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
641 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
642 I2C_CLIENT_MODULE_PARM_FORCE(chip7); \
643 I2C_CLIENT_MODULE_PARM_FORCE(chip8); \
644 static unsigned short *forces[] = { force, force_##chip1, \
645 force_##chip2, force_##chip3, \
646 force_##chip4, force_##chip5, \
647 force_##chip6, force_##chip7, \
648 force_##chip8, NULL }; \
649 I2C_CLIENT_INSMOD_COMMON
650 #endif /* __KERNEL__ */
651 #endif /* _LINUX_I2C_H */