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/module.h>
30 #include <linux/types.h>
31 #include <linux/i2c-id.h>
32 #include <linux/mod_devicetable.h>
33 #include <linux/device.h> /* for struct device */
34 #include <linux/sched.h> /* for completion */
35 #include <asm/semaphore.h>
37 /* --- For i2c-isa ---------------------------------------------------- */
39 extern void i2c_adapter_dev_release(struct device
*dev
);
40 extern struct device_driver i2c_adapter_driver
;
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 * Some adapter types (i.e. PCF 8584 based ones) may support slave behaviuor.
68 * This is not tested/implemented yet and will change in the future.
70 extern int i2c_slave_send(struct i2c_client
*,char*,int);
71 extern int i2c_slave_recv(struct i2c_client
*,char*,int);
75 /* This is the very generalized SMBus access routine. You probably do not
76 want to use this, though; one of the functions below may be much easier,
77 and probably just as fast.
78 Note that we use i2c_adapter here, because you do not need a specific
79 smbus adapter to call this function. */
80 extern s32
i2c_smbus_xfer (struct i2c_adapter
* adapter
, u16 addr
,
82 char read_write
, u8 command
, int size
,
83 union i2c_smbus_data
* data
);
85 /* Now follow the 'nice' access routines. These also document the calling
86 conventions of smbus_access. */
88 extern s32
i2c_smbus_write_quick(struct i2c_client
* client
, u8 value
);
89 extern s32
i2c_smbus_read_byte(struct i2c_client
* client
);
90 extern s32
i2c_smbus_write_byte(struct i2c_client
* client
, u8 value
);
91 extern s32
i2c_smbus_read_byte_data(struct i2c_client
* client
, u8 command
);
92 extern s32
i2c_smbus_write_byte_data(struct i2c_client
* client
,
93 u8 command
, u8 value
);
94 extern s32
i2c_smbus_read_word_data(struct i2c_client
* client
, u8 command
);
95 extern s32
i2c_smbus_write_word_data(struct i2c_client
* client
,
96 u8 command
, u16 value
);
97 extern s32
i2c_smbus_write_block_data(struct i2c_client
* client
,
98 u8 command
, u8 length
,
100 /* Returns the number of read bytes */
101 extern s32
i2c_smbus_read_i2c_block_data(struct i2c_client
* client
,
102 u8 command
, u8
*values
);
105 * A driver is capable of handling one or more physical devices present on
106 * I2C adapters. This information is used to inform the driver of adapter
111 struct module
*owner
;
115 unsigned int flags
; /* div., see below */
117 /* Notifies the driver that a new bus has appeared. This routine
118 * can be used by the driver to test if the bus meets its conditions
119 * & seek for the presence of the chip(s) it supports. If found, it
120 * registers the client(s) that are on the bus to the i2c admin. via
123 int (*attach_adapter
)(struct i2c_adapter
*);
124 int (*detach_adapter
)(struct i2c_adapter
*);
126 /* tells the driver that a client is about to be deleted & gives it
127 * the chance to remove its private data. Also, if the client struct
128 * has been dynamically allocated by the driver in the function above,
129 * it must be freed here.
131 int (*detach_client
)(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 50
146 * i2c_client identifies a single device (i.e. chip) that is connected to an
147 * i2c bus. The behaviour is defined by the routines of the driver. This
148 * function is mainly used for lookup & other admin. functions.
151 unsigned int flags
; /* div., see below */
152 unsigned short addr
; /* chip address - NOTE: 7bit */
153 /* addresses are stored in the */
155 struct i2c_adapter
*adapter
; /* the adapter we sit on */
156 struct i2c_driver
*driver
; /* and our access routines */
157 int usage_count
; /* How many accesses currently */
159 struct device dev
; /* the device structure */
160 struct list_head list
;
161 char name
[I2C_NAME_SIZE
];
162 struct completion released
;
164 #define to_i2c_client(d) container_of(d, struct i2c_client, dev)
166 static inline struct i2c_client
*kobj_to_i2c_client(struct kobject
*kobj
)
168 return to_i2c_client(container_of(kobj
, struct device
, kobj
));
171 static inline void *i2c_get_clientdata (struct i2c_client
*dev
)
173 return dev_get_drvdata (&dev
->dev
);
176 static inline void i2c_set_clientdata (struct i2c_client
*dev
, void *data
)
178 dev_set_drvdata (&dev
->dev
, data
);
182 * The following structs are for those who like to implement new bus drivers:
183 * i2c_algorithm is the interface to a class of hardware solutions which can
184 * be addressed using the same bus algorithms - i.e. bit-banging or the PCF8584
185 * to name two of the most common.
187 struct i2c_algorithm
{
188 /* If an adapter algorithm can't do I2C-level access, set master_xfer
189 to NULL. If an adapter algorithm can do SMBus access, set
190 smbus_xfer. If set to NULL, the SMBus protocol is simulated
191 using common I2C messages */
192 int (*master_xfer
)(struct i2c_adapter
*adap
,struct i2c_msg
*msgs
,
194 int (*smbus_xfer
) (struct i2c_adapter
*adap
, u16 addr
,
195 unsigned short flags
, char read_write
,
196 u8 command
, int size
, union i2c_smbus_data
* data
);
198 /* --- these optional/future use for some adapter types.*/
199 int (*slave_send
)(struct i2c_adapter
*,char*,int);
200 int (*slave_recv
)(struct i2c_adapter
*,char*,int);
202 /* --- ioctl like call to set div. parameters. */
203 int (*algo_control
)(struct i2c_adapter
*, unsigned int, unsigned long);
205 /* To determine what the adapter supports */
206 u32 (*functionality
) (struct i2c_adapter
*);
210 * i2c_adapter is the structure used to identify a physical i2c bus along
211 * with the access algorithms necessary to access it.
214 struct module
*owner
;
217 struct i2c_algorithm
*algo
;/* the algorithm to access the bus */
220 /* --- administration stuff. */
221 int (*client_register
)(struct i2c_client
*);
222 int (*client_unregister
)(struct i2c_client
*);
224 /* data fields that are valid for all devices */
225 struct semaphore bus_lock
;
226 struct semaphore clist_lock
;
230 struct device dev
; /* the adapter device */
231 struct class_device class_dev
; /* the class device */
234 struct list_head clients
;
235 struct list_head list
;
236 char name
[I2C_NAME_SIZE
];
237 struct completion dev_released
;
238 struct completion class_dev_released
;
240 #define dev_to_i2c_adapter(d) container_of(d, struct i2c_adapter, dev)
241 #define class_dev_to_i2c_adapter(d) container_of(d, struct i2c_adapter, class_dev)
243 static inline void *i2c_get_adapdata (struct i2c_adapter
*dev
)
245 return dev_get_drvdata (&dev
->dev
);
248 static inline void i2c_set_adapdata (struct i2c_adapter
*dev
, void *data
)
250 dev_set_drvdata (&dev
->dev
, data
);
253 /*flags for the driver struct: */
255 /*flags for the client struct: */
256 #define I2C_CLIENT_ALLOW_USE 0x01 /* Client allows access */
257 #define I2C_CLIENT_ALLOW_MULTIPLE_USE 0x02 /* Allow multiple access-locks */
258 /* on an i2c_client */
259 #define I2C_CLIENT_PEC 0x04 /* Use Packet Error Checking */
260 #define I2C_CLIENT_TEN 0x10 /* we have a ten bit chip address */
261 /* Must equal I2C_M_TEN below */
263 /* i2c adapter classes (bitmask) */
264 #define I2C_CLASS_HWMON (1<<0) /* lm_sensors, ... */
265 #define I2C_CLASS_TV_ANALOG (1<<1) /* bttv + friends */
266 #define I2C_CLASS_TV_DIGITAL (1<<2) /* dvb cards */
267 #define I2C_CLASS_DDC (1<<3) /* i2c-matroxfb ? */
268 #define I2C_CLASS_CAM_ANALOG (1<<4) /* camera with analog CCD */
269 #define I2C_CLASS_CAM_DIGITAL (1<<5) /* most webcams */
270 #define I2C_CLASS_SOUND (1<<6) /* sound devices */
271 #define I2C_CLASS_ALL (UINT_MAX) /* all of the above */
273 /* i2c_client_address_data is the struct for holding default client
274 * addresses for a driver and for the parameters supplied on the
277 struct i2c_client_address_data
{
278 unsigned short *normal_i2c
;
279 unsigned short *probe
;
280 unsigned short *ignore
;
281 unsigned short **forces
;
284 /* Internal numbers to terminate lists */
285 #define I2C_CLIENT_END 0xfffeU
287 /* The numbers to use to set I2C bus address */
288 #define ANY_I2C_BUS 0xffff
289 #define ANY_I2C_ISA_BUS 9191
292 /* ----- functions exported by i2c.o */
296 extern int i2c_add_adapter(struct i2c_adapter
*);
297 extern int i2c_del_adapter(struct i2c_adapter
*);
299 extern int i2c_add_driver(struct i2c_driver
*);
300 extern int i2c_del_driver(struct i2c_driver
*);
302 extern int i2c_attach_client(struct i2c_client
*);
303 extern int i2c_detach_client(struct i2c_client
*);
305 /* New function: This is to get an i2c_client-struct for controlling the
306 client either by using i2c_control-function or having the
307 client-module export functions that can be used with the i2c_client
309 extern struct i2c_client
*i2c_get_client(int driver_id
, int adapter_id
,
310 struct i2c_client
*prev
);
312 /* Should be used with new function
313 extern struct i2c_client *i2c_get_client(int,int,struct i2c_client *);
314 to make sure that client-struct is valid and that it is okay to access
316 returns -EACCES if client doesn't allow use (default)
317 returns -EBUSY if client doesn't allow multiple use (default) and
319 extern int i2c_use_client(struct i2c_client
*);
320 extern int i2c_release_client(struct i2c_client
*);
322 /* call the i2c_client->command() of all attached clients with
323 * the given arguments */
324 extern void i2c_clients_command(struct i2c_adapter
*adap
,
325 unsigned int cmd
, void *arg
);
327 /* returns -EBUSY if address has been taken, 0 if not. Note that the only
328 other place at which this is called is within i2c_attach_client; so
329 you can cheat by simply not registering. Not recommended, of course! */
330 extern int i2c_check_addr (struct i2c_adapter
*adapter
, int addr
);
332 /* Detect function. It iterates over all possible addresses itself.
333 * It will only call found_proc if some client is connected at the
334 * specific address (unless a 'force' matched);
336 extern int i2c_probe(struct i2c_adapter
*adapter
,
337 struct i2c_client_address_data
*address_data
,
338 int (*found_proc
) (struct i2c_adapter
*, int, int));
340 /* An ioctl like call to set div. parameters of the adapter.
342 extern int i2c_control(struct i2c_client
*,unsigned int, unsigned long);
344 extern struct i2c_adapter
* i2c_get_adapter(int id
);
345 extern void i2c_put_adapter(struct i2c_adapter
*adap
);
348 /* Return the functionality mask */
349 static inline u32
i2c_get_functionality(struct i2c_adapter
*adap
)
351 return adap
->algo
->functionality(adap
);
354 /* Return 1 if adapter supports everything we need, 0 if not. */
355 static inline int i2c_check_functionality(struct i2c_adapter
*adap
, u32 func
)
357 return (func
& i2c_get_functionality(adap
)) == func
;
360 /* Return id number for a specific adapter */
361 static inline int i2c_adapter_id(struct i2c_adapter
*adap
)
367 * I2C Message - used for pure i2c transaction, also from /dev interface
370 __u16 addr
; /* slave address */
372 #define I2C_M_TEN 0x10 /* we have a ten bit chip address */
373 #define I2C_M_RD 0x01
374 #define I2C_M_NOSTART 0x4000
375 #define I2C_M_REV_DIR_ADDR 0x2000
376 #define I2C_M_IGNORE_NAK 0x1000
377 #define I2C_M_NO_RD_ACK 0x0800
378 __u16 len
; /* msg length */
379 __u8
*buf
; /* pointer to msg data */
382 /* To determine what functionality is present */
384 #define I2C_FUNC_I2C 0x00000001
385 #define I2C_FUNC_10BIT_ADDR 0x00000002
386 #define I2C_FUNC_PROTOCOL_MANGLING 0x00000004 /* I2C_M_{REV_DIR_ADDR,NOSTART,..} */
387 #define I2C_FUNC_SMBUS_HWPEC_CALC 0x00000008 /* SMBus 2.0 */
388 #define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000 /* SMBus 2.0 */
389 #define I2C_FUNC_SMBUS_QUICK 0x00010000
390 #define I2C_FUNC_SMBUS_READ_BYTE 0x00020000
391 #define I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000
392 #define I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000
393 #define I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000
394 #define I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000
395 #define I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000
396 #define I2C_FUNC_SMBUS_PROC_CALL 0x00800000
397 #define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000
398 #define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000
399 #define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000 /* I2C-like block xfer */
400 #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000 /* w/ 1-byte reg. addr. */
401 #define I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 0x10000000 /* I2C-like block xfer */
402 #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2 0x20000000 /* w/ 2-byte reg. addr. */
404 #define I2C_FUNC_SMBUS_BYTE (I2C_FUNC_SMBUS_READ_BYTE | \
405 I2C_FUNC_SMBUS_WRITE_BYTE)
406 #define I2C_FUNC_SMBUS_BYTE_DATA (I2C_FUNC_SMBUS_READ_BYTE_DATA | \
407 I2C_FUNC_SMBUS_WRITE_BYTE_DATA)
408 #define I2C_FUNC_SMBUS_WORD_DATA (I2C_FUNC_SMBUS_READ_WORD_DATA | \
409 I2C_FUNC_SMBUS_WRITE_WORD_DATA)
410 #define I2C_FUNC_SMBUS_BLOCK_DATA (I2C_FUNC_SMBUS_READ_BLOCK_DATA | \
411 I2C_FUNC_SMBUS_WRITE_BLOCK_DATA)
412 #define I2C_FUNC_SMBUS_I2C_BLOCK (I2C_FUNC_SMBUS_READ_I2C_BLOCK | \
413 I2C_FUNC_SMBUS_WRITE_I2C_BLOCK)
414 #define I2C_FUNC_SMBUS_I2C_BLOCK_2 (I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 | \
415 I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2)
417 #define I2C_FUNC_SMBUS_EMUL (I2C_FUNC_SMBUS_QUICK | \
418 I2C_FUNC_SMBUS_BYTE | \
419 I2C_FUNC_SMBUS_BYTE_DATA | \
420 I2C_FUNC_SMBUS_WORD_DATA | \
421 I2C_FUNC_SMBUS_PROC_CALL | \
422 I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | \
423 I2C_FUNC_SMBUS_I2C_BLOCK)
426 * Data for SMBus Messages
428 #define I2C_SMBUS_BLOCK_MAX 32 /* As specified in SMBus standard */
429 union i2c_smbus_data
{
432 __u8 block
[I2C_SMBUS_BLOCK_MAX
+ 2]; /* block[0] is used for length */
433 /* and one more for user-space compatibility */
436 /* smbus_access read or write markers */
437 #define I2C_SMBUS_READ 1
438 #define I2C_SMBUS_WRITE 0
440 /* SMBus transaction types (size parameter in the above functions)
441 Note: these no longer correspond to the (arbitrary) PIIX4 internal codes! */
442 #define I2C_SMBUS_QUICK 0
443 #define I2C_SMBUS_BYTE 1
444 #define I2C_SMBUS_BYTE_DATA 2
445 #define I2C_SMBUS_WORD_DATA 3
446 #define I2C_SMBUS_PROC_CALL 4
447 #define I2C_SMBUS_BLOCK_DATA 5
448 #define I2C_SMBUS_I2C_BLOCK_DATA 6
449 #define I2C_SMBUS_BLOCK_PROC_CALL 7 /* SMBus 2.0 */
452 /* ----- commands for the ioctl like i2c_command call:
453 * note that additional calls are defined in the algorithm and hw
454 * dependent layers - these can be listed here, or see the
455 * corresponding header files.
457 /* -> bit-adapter specific ioctls */
458 #define I2C_RETRIES 0x0701 /* number of times a device address */
459 /* should be polled when not */
461 #define I2C_TIMEOUT 0x0702 /* set timeout - call with int */
464 /* this is for i2c-dev.c */
465 #define I2C_SLAVE 0x0703 /* Change slave address */
466 /* Attn.: Slave address is 7 or 10 bits */
467 #define I2C_SLAVE_FORCE 0x0706 /* Change slave address */
468 /* Attn.: Slave address is 7 or 10 bits */
469 /* This changes the address, even if it */
470 /* is already taken! */
471 #define I2C_TENBIT 0x0704 /* 0 for 7 bit addrs, != 0 for 10 bit */
473 #define I2C_FUNCS 0x0705 /* Get the adapter functionality */
474 #define I2C_RDWR 0x0707 /* Combined R/W transfer (one stop only)*/
475 #define I2C_PEC 0x0708 /* != 0 for SMBus PEC */
477 #define I2C_SMBUS 0x0720 /* SMBus-level access */
479 /* ----- I2C-DEV: char device interface stuff ------------------------- */
481 #define I2C_MAJOR 89 /* Device major number */
483 /* These defines are used for probing i2c client addresses */
484 /* The length of the option lists */
485 #define I2C_CLIENT_MAX_OPTS 48
487 /* Default fill of many variables */
488 #define I2C_CLIENT_DEFAULTS {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, \
497 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
498 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
499 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
500 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
501 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
502 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
503 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END}
505 /* I2C_CLIENT_MODULE_PARM creates a module parameter, and puts it in the
508 #define I2C_CLIENT_MODULE_PARM(var,desc) \
509 static unsigned short var[I2C_CLIENT_MAX_OPTS] = I2C_CLIENT_DEFAULTS; \
510 static unsigned int var##_num; \
511 module_param_array(var, short, &var##_num, 0); \
512 MODULE_PARM_DESC(var,desc)
514 #define I2C_CLIENT_MODULE_PARM_FORCE(name) \
515 I2C_CLIENT_MODULE_PARM(force_##name, \
516 "List of adapter,address pairs which are " \
517 "unquestionably assumed to contain a `" \
521 #define I2C_CLIENT_INSMOD_COMMON \
522 I2C_CLIENT_MODULE_PARM(probe, "List of adapter,address pairs to scan " \
524 I2C_CLIENT_MODULE_PARM(ignore, "List of adapter,address pairs not to " \
526 static struct i2c_client_address_data addr_data = { \
527 .normal_i2c = normal_i2c, \
533 /* These are the ones you want to use in your own drivers. Pick the one
534 which matches the number of devices the driver differenciates between. */
535 #define I2C_CLIENT_INSMOD \
536 I2C_CLIENT_MODULE_PARM(force, \
537 "List of adapter,address pairs to boldly assume " \
539 static unsigned short *forces[] = { \
543 I2C_CLIENT_INSMOD_COMMON
545 #define I2C_CLIENT_INSMOD_1(chip1) \
546 enum chips { any_chip, chip1 }; \
547 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
548 "boldly assume to be present"); \
549 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
550 static unsigned short *forces[] = { force, force_##chip1, NULL }; \
551 I2C_CLIENT_INSMOD_COMMON
553 #define I2C_CLIENT_INSMOD_2(chip1, chip2) \
554 enum chips { any_chip, chip1, chip2 }; \
555 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
556 "boldly assume to be present"); \
557 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
558 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
559 static unsigned short *forces[] = { force, force_##chip1, \
560 force_##chip2, NULL }; \
561 I2C_CLIENT_INSMOD_COMMON
563 #define I2C_CLIENT_INSMOD_3(chip1, chip2, chip3) \
564 enum chips { any_chip, chip1, chip2, chip3 }; \
565 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
566 "boldly assume to be present"); \
567 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
568 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
569 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
570 static unsigned short *forces[] = { force, force_##chip1, \
571 force_##chip2, force_##chip3, \
573 I2C_CLIENT_INSMOD_COMMON
575 #define I2C_CLIENT_INSMOD_4(chip1, chip2, chip3, chip4) \
576 enum chips { any_chip, chip1, chip2, chip3, chip4 }; \
577 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
578 "boldly assume to be present"); \
579 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
580 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
581 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
582 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
583 static unsigned short *forces[] = { force, force_##chip1, \
584 force_##chip2, force_##chip3, \
585 force_##chip4, NULL}; \
586 I2C_CLIENT_INSMOD_COMMON
588 #define I2C_CLIENT_INSMOD_5(chip1, chip2, chip3, chip4, chip5) \
589 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5 }; \
590 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
591 "boldly assume to be present"); \
592 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
593 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
594 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
595 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
596 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
597 static unsigned short *forces[] = { force, force_##chip1, \
598 force_##chip2, force_##chip3, \
599 force_##chip4, force_##chip5, \
601 I2C_CLIENT_INSMOD_COMMON
603 #define I2C_CLIENT_INSMOD_6(chip1, chip2, chip3, chip4, chip5, chip6) \
604 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6 }; \
605 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
606 "boldly assume to be present"); \
607 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
608 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
609 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
610 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
611 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
612 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
613 static unsigned short *forces[] = { force, force_##chip1, \
614 force_##chip2, force_##chip3, \
615 force_##chip4, force_##chip5, \
616 force_##chip6, NULL }; \
617 I2C_CLIENT_INSMOD_COMMON
619 #define I2C_CLIENT_INSMOD_7(chip1, chip2, chip3, chip4, chip5, chip6, chip7) \
620 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \
622 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
623 "boldly assume to be present"); \
624 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
625 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
626 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
627 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
628 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
629 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
630 I2C_CLIENT_MODULE_PARM_FORCE(chip7); \
631 static unsigned short *forces[] = { force, force_##chip1, \
632 force_##chip2, force_##chip3, \
633 force_##chip4, force_##chip5, \
634 force_##chip6, force_##chip7, \
636 I2C_CLIENT_INSMOD_COMMON
638 #define I2C_CLIENT_INSMOD_8(chip1, chip2, chip3, chip4, chip5, chip6, chip7, chip8) \
639 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \
641 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
642 "boldly assume to be present"); \
643 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
644 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
645 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
646 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
647 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
648 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
649 I2C_CLIENT_MODULE_PARM_FORCE(chip7); \
650 I2C_CLIENT_MODULE_PARM_FORCE(chip8); \
651 static unsigned short *forces[] = { force, force_##chip1, \
652 force_##chip2, force_##chip3, \
653 force_##chip4, force_##chip5, \
654 force_##chip6, force_##chip7, \
655 force_##chip8, NULL }; \
656 I2C_CLIENT_INSMOD_COMMON
658 #endif /* _LINUX_I2C_H */