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;
116 /* Notifies the driver that a new bus has appeared. This routine
117 * can be used by the driver to test if the bus meets its conditions
118 * & seek for the presence of the chip(s) it supports. If found, it
119 * registers the client(s) that are on the bus to the i2c admin. via
122 int (*attach_adapter)(struct i2c_adapter *);
123 int (*detach_adapter)(struct i2c_adapter *);
125 /* tells the driver that a client is about to be deleted & gives it
126 * the chance to remove its private data. Also, if the client struct
127 * has been dynamically allocated by the driver in the function above,
128 * it must be freed here.
130 int (*detach_client)(struct i2c_client *);
132 /* a ioctl like command that can be used to perform specific functions
135 int (*command)(struct i2c_client *client,unsigned int cmd, void *arg);
137 struct device_driver driver;
138 struct list_head list;
140 #define to_i2c_driver(d) container_of(d, struct i2c_driver, driver)
142 #define I2C_NAME_SIZE 50
145 * i2c_client identifies a single device (i.e. chip) that is connected to an
146 * i2c bus. The behaviour is defined by the routines of the driver. This
147 * function is mainly used for lookup & other admin. functions.
150 unsigned int flags; /* div., see below */
151 unsigned short addr; /* chip address - NOTE: 7bit */
152 /* addresses are stored in the */
154 struct i2c_adapter *adapter; /* the adapter we sit on */
155 struct i2c_driver *driver; /* and our access routines */
156 int usage_count; /* How many accesses currently */
158 struct device dev; /* the device structure */
159 struct list_head list;
160 char name[I2C_NAME_SIZE];
161 struct completion released;
163 #define to_i2c_client(d) container_of(d, struct i2c_client, dev)
165 static inline struct i2c_client *kobj_to_i2c_client(struct kobject *kobj)
167 return to_i2c_client(container_of(kobj, struct device, kobj));
170 static inline void *i2c_get_clientdata (struct i2c_client *dev)
172 return dev_get_drvdata (&dev->dev);
175 static inline void i2c_set_clientdata (struct i2c_client *dev, void *data)
177 dev_set_drvdata (&dev->dev, data);
181 * The following structs are for those who like to implement new bus drivers:
182 * i2c_algorithm is the interface to a class of hardware solutions which can
183 * be addressed using the same bus algorithms - i.e. bit-banging or the PCF8584
184 * to name two of the most common.
186 struct i2c_algorithm {
187 /* If an adapter algorithm can't do I2C-level access, set master_xfer
188 to NULL. If an adapter algorithm can do SMBus access, set
189 smbus_xfer. If set to NULL, the SMBus protocol is simulated
190 using common I2C messages */
191 int (*master_xfer)(struct i2c_adapter *adap,struct i2c_msg *msgs,
193 int (*smbus_xfer) (struct i2c_adapter *adap, u16 addr,
194 unsigned short flags, char read_write,
195 u8 command, int size, union i2c_smbus_data * data);
197 /* --- these optional/future use for some adapter types.*/
198 int (*slave_send)(struct i2c_adapter *,char*,int);
199 int (*slave_recv)(struct i2c_adapter *,char*,int);
201 /* --- ioctl like call to set div. parameters. */
202 int (*algo_control)(struct i2c_adapter *, unsigned int, unsigned long);
204 /* To determine what the adapter supports */
205 u32 (*functionality) (struct i2c_adapter *);
209 * i2c_adapter is the structure used to identify a physical i2c bus along
210 * with the access algorithms necessary to access it.
213 struct module *owner;
216 struct i2c_algorithm *algo;/* the algorithm to access the bus */
219 /* --- administration stuff. */
220 int (*client_register)(struct i2c_client *);
221 int (*client_unregister)(struct i2c_client *);
223 /* data fields that are valid for all devices */
224 struct semaphore bus_lock;
225 struct semaphore clist_lock;
229 struct device dev; /* the adapter device */
230 struct class_device class_dev; /* the class device */
233 struct list_head clients;
234 struct list_head list;
235 char name[I2C_NAME_SIZE];
236 struct completion dev_released;
237 struct completion class_dev_released;
239 #define dev_to_i2c_adapter(d) container_of(d, struct i2c_adapter, dev)
240 #define class_dev_to_i2c_adapter(d) container_of(d, struct i2c_adapter, class_dev)
242 static inline void *i2c_get_adapdata (struct i2c_adapter *dev)
244 return dev_get_drvdata (&dev->dev);
247 static inline void i2c_set_adapdata (struct i2c_adapter *dev, void *data)
249 dev_set_drvdata (&dev->dev, data);
252 /*flags for the client struct: */
253 #define I2C_CLIENT_ALLOW_USE 0x01 /* Client allows access */
254 #define I2C_CLIENT_ALLOW_MULTIPLE_USE 0x02 /* Allow multiple access-locks */
255 /* on an i2c_client */
256 #define I2C_CLIENT_PEC 0x04 /* Use Packet Error Checking */
257 #define I2C_CLIENT_TEN 0x10 /* we have a ten bit chip address */
258 /* Must equal I2C_M_TEN below */
260 /* i2c adapter classes (bitmask) */
261 #define I2C_CLASS_HWMON (1<<0) /* lm_sensors, ... */
262 #define I2C_CLASS_TV_ANALOG (1<<1) /* bttv + friends */
263 #define I2C_CLASS_TV_DIGITAL (1<<2) /* dvb cards */
264 #define I2C_CLASS_DDC (1<<3) /* i2c-matroxfb ? */
265 #define I2C_CLASS_CAM_ANALOG (1<<4) /* camera with analog CCD */
266 #define I2C_CLASS_CAM_DIGITAL (1<<5) /* most webcams */
267 #define I2C_CLASS_SOUND (1<<6) /* sound devices */
268 #define I2C_CLASS_ALL (UINT_MAX) /* all of the above */
270 /* i2c_client_address_data is the struct for holding default client
271 * addresses for a driver and for the parameters supplied on the
274 struct i2c_client_address_data {
275 unsigned short *normal_i2c;
276 unsigned short *probe;
277 unsigned short *ignore;
278 unsigned short **forces;
281 /* Internal numbers to terminate lists */
282 #define I2C_CLIENT_END 0xfffeU
284 /* The numbers to use to set I2C bus address */
285 #define ANY_I2C_BUS 0xffff
286 #define ANY_I2C_ISA_BUS 9191
289 /* ----- functions exported by i2c.o */
293 extern int i2c_add_adapter(struct i2c_adapter *);
294 extern int i2c_del_adapter(struct i2c_adapter *);
296 extern int i2c_add_driver(struct i2c_driver *);
297 extern int i2c_del_driver(struct i2c_driver *);
299 extern int i2c_attach_client(struct i2c_client *);
300 extern int i2c_detach_client(struct i2c_client *);
302 /* New function: This is to get an i2c_client-struct for controlling the
303 client either by using i2c_control-function or having the
304 client-module export functions that can be used with the i2c_client
306 extern struct i2c_client *i2c_get_client(int driver_id, int adapter_id,
307 struct i2c_client *prev);
309 /* Should be used with new function
310 extern struct i2c_client *i2c_get_client(int,int,struct i2c_client *);
311 to make sure that client-struct is valid and that it is okay to access
313 returns -EACCES if client doesn't allow use (default)
314 returns -EBUSY if client doesn't allow multiple use (default) and
316 extern int i2c_use_client(struct i2c_client *);
317 extern int i2c_release_client(struct i2c_client *);
319 /* call the i2c_client->command() of all attached clients with
320 * the given arguments */
321 extern void i2c_clients_command(struct i2c_adapter *adap,
322 unsigned int cmd, void *arg);
324 /* returns -EBUSY if address has been taken, 0 if not. Note that the only
325 other place at which this is called is within i2c_attach_client; so
326 you can cheat by simply not registering. Not recommended, of course! */
327 extern int i2c_check_addr (struct i2c_adapter *adapter, int addr);
329 /* Detect function. It iterates over all possible addresses itself.
330 * It will only call found_proc if some client is connected at the
331 * specific address (unless a 'force' matched);
333 extern int i2c_probe(struct i2c_adapter *adapter,
334 struct i2c_client_address_data *address_data,
335 int (*found_proc) (struct i2c_adapter *, int, int));
337 /* An ioctl like call to set div. parameters of the adapter.
339 extern int i2c_control(struct i2c_client *,unsigned int, unsigned long);
341 extern struct i2c_adapter* i2c_get_adapter(int id);
342 extern void i2c_put_adapter(struct i2c_adapter *adap);
345 /* Return the functionality mask */
346 static inline u32 i2c_get_functionality(struct i2c_adapter *adap)
348 return adap->algo->functionality(adap);
351 /* Return 1 if adapter supports everything we need, 0 if not. */
352 static inline int i2c_check_functionality(struct i2c_adapter *adap, u32 func)
354 return (func & i2c_get_functionality(adap)) == func;
357 /* Return id number for a specific adapter */
358 static inline int i2c_adapter_id(struct i2c_adapter *adap)
364 * I2C Message - used for pure i2c transaction, also from /dev interface
367 __u16 addr; /* slave address */
369 #define I2C_M_TEN 0x10 /* we have a ten bit chip address */
370 #define I2C_M_RD 0x01
371 #define I2C_M_NOSTART 0x4000
372 #define I2C_M_REV_DIR_ADDR 0x2000
373 #define I2C_M_IGNORE_NAK 0x1000
374 #define I2C_M_NO_RD_ACK 0x0800
375 __u16 len; /* msg length */
376 __u8 *buf; /* pointer to msg data */
379 /* To determine what functionality is present */
381 #define I2C_FUNC_I2C 0x00000001
382 #define I2C_FUNC_10BIT_ADDR 0x00000002
383 #define I2C_FUNC_PROTOCOL_MANGLING 0x00000004 /* I2C_M_{REV_DIR_ADDR,NOSTART,..} */
384 #define I2C_FUNC_SMBUS_HWPEC_CALC 0x00000008 /* SMBus 2.0 */
385 #define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000 /* SMBus 2.0 */
386 #define I2C_FUNC_SMBUS_QUICK 0x00010000
387 #define I2C_FUNC_SMBUS_READ_BYTE 0x00020000
388 #define I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000
389 #define I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000
390 #define I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000
391 #define I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000
392 #define I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000
393 #define I2C_FUNC_SMBUS_PROC_CALL 0x00800000
394 #define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000
395 #define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000
396 #define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000 /* I2C-like block xfer */
397 #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000 /* w/ 1-byte reg. addr. */
398 #define I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 0x10000000 /* I2C-like block xfer */
399 #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2 0x20000000 /* w/ 2-byte reg. addr. */
401 #define I2C_FUNC_SMBUS_BYTE (I2C_FUNC_SMBUS_READ_BYTE | \
402 I2C_FUNC_SMBUS_WRITE_BYTE)
403 #define I2C_FUNC_SMBUS_BYTE_DATA (I2C_FUNC_SMBUS_READ_BYTE_DATA | \
404 I2C_FUNC_SMBUS_WRITE_BYTE_DATA)
405 #define I2C_FUNC_SMBUS_WORD_DATA (I2C_FUNC_SMBUS_READ_WORD_DATA | \
406 I2C_FUNC_SMBUS_WRITE_WORD_DATA)
407 #define I2C_FUNC_SMBUS_BLOCK_DATA (I2C_FUNC_SMBUS_READ_BLOCK_DATA | \
408 I2C_FUNC_SMBUS_WRITE_BLOCK_DATA)
409 #define I2C_FUNC_SMBUS_I2C_BLOCK (I2C_FUNC_SMBUS_READ_I2C_BLOCK | \
410 I2C_FUNC_SMBUS_WRITE_I2C_BLOCK)
411 #define I2C_FUNC_SMBUS_I2C_BLOCK_2 (I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 | \
412 I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2)
414 #define I2C_FUNC_SMBUS_EMUL (I2C_FUNC_SMBUS_QUICK | \
415 I2C_FUNC_SMBUS_BYTE | \
416 I2C_FUNC_SMBUS_BYTE_DATA | \
417 I2C_FUNC_SMBUS_WORD_DATA | \
418 I2C_FUNC_SMBUS_PROC_CALL | \
419 I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | \
420 I2C_FUNC_SMBUS_I2C_BLOCK)
423 * Data for SMBus Messages
425 #define I2C_SMBUS_BLOCK_MAX 32 /* As specified in SMBus standard */
426 union i2c_smbus_data {
429 __u8 block[I2C_SMBUS_BLOCK_MAX + 2]; /* block[0] is used for length */
430 /* and one more for user-space compatibility */
433 /* smbus_access read or write markers */
434 #define I2C_SMBUS_READ 1
435 #define I2C_SMBUS_WRITE 0
437 /* SMBus transaction types (size parameter in the above functions)
438 Note: these no longer correspond to the (arbitrary) PIIX4 internal codes! */
439 #define I2C_SMBUS_QUICK 0
440 #define I2C_SMBUS_BYTE 1
441 #define I2C_SMBUS_BYTE_DATA 2
442 #define I2C_SMBUS_WORD_DATA 3
443 #define I2C_SMBUS_PROC_CALL 4
444 #define I2C_SMBUS_BLOCK_DATA 5
445 #define I2C_SMBUS_I2C_BLOCK_DATA 6
446 #define I2C_SMBUS_BLOCK_PROC_CALL 7 /* SMBus 2.0 */
449 /* ----- commands for the ioctl like i2c_command call:
450 * note that additional calls are defined in the algorithm and hw
451 * dependent layers - these can be listed here, or see the
452 * corresponding header files.
454 /* -> bit-adapter specific ioctls */
455 #define I2C_RETRIES 0x0701 /* number of times a device address */
456 /* should be polled when not */
458 #define I2C_TIMEOUT 0x0702 /* set timeout - call with int */
461 /* this is for i2c-dev.c */
462 #define I2C_SLAVE 0x0703 /* Change slave address */
463 /* Attn.: Slave address is 7 or 10 bits */
464 #define I2C_SLAVE_FORCE 0x0706 /* Change slave address */
465 /* Attn.: Slave address is 7 or 10 bits */
466 /* This changes the address, even if it */
467 /* is already taken! */
468 #define I2C_TENBIT 0x0704 /* 0 for 7 bit addrs, != 0 for 10 bit */
470 #define I2C_FUNCS 0x0705 /* Get the adapter functionality */
471 #define I2C_RDWR 0x0707 /* Combined R/W transfer (one stop only)*/
472 #define I2C_PEC 0x0708 /* != 0 for SMBus PEC */
474 #define I2C_SMBUS 0x0720 /* SMBus-level access */
476 /* ----- I2C-DEV: char device interface stuff ------------------------- */
478 #define I2C_MAJOR 89 /* Device major number */
480 /* These defines are used for probing i2c client addresses */
481 /* The length of the option lists */
482 #define I2C_CLIENT_MAX_OPTS 48
484 /* Default fill of many variables */
485 #define I2C_CLIENT_DEFAULTS {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, \
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}
502 /* I2C_CLIENT_MODULE_PARM creates a module parameter, and puts it in the
505 #define I2C_CLIENT_MODULE_PARM(var,desc) \
506 static unsigned short var[I2C_CLIENT_MAX_OPTS] = I2C_CLIENT_DEFAULTS; \
507 static unsigned int var##_num; \
508 module_param_array(var, short, &var##_num, 0); \
509 MODULE_PARM_DESC(var,desc)
511 #define I2C_CLIENT_MODULE_PARM_FORCE(name) \
512 I2C_CLIENT_MODULE_PARM(force_##name, \
513 "List of adapter,address pairs which are " \
514 "unquestionably assumed to contain a `" \
518 #define I2C_CLIENT_INSMOD_COMMON \
519 I2C_CLIENT_MODULE_PARM(probe, "List of adapter,address pairs to scan " \
521 I2C_CLIENT_MODULE_PARM(ignore, "List of adapter,address pairs not to " \
523 static struct i2c_client_address_data addr_data = { \
524 .normal_i2c = normal_i2c, \
530 /* These are the ones you want to use in your own drivers. Pick the one
531 which matches the number of devices the driver differenciates between. */
532 #define I2C_CLIENT_INSMOD \
533 I2C_CLIENT_MODULE_PARM(force, \
534 "List of adapter,address pairs to boldly assume " \
536 static unsigned short *forces[] = { \
540 I2C_CLIENT_INSMOD_COMMON
542 #define I2C_CLIENT_INSMOD_1(chip1) \
543 enum chips { any_chip, chip1 }; \
544 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
545 "boldly assume to be present"); \
546 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
547 static unsigned short *forces[] = { force, force_##chip1, NULL }; \
548 I2C_CLIENT_INSMOD_COMMON
550 #define I2C_CLIENT_INSMOD_2(chip1, chip2) \
551 enum chips { any_chip, chip1, chip2 }; \
552 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
553 "boldly assume to be present"); \
554 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
555 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
556 static unsigned short *forces[] = { force, force_##chip1, \
557 force_##chip2, NULL }; \
558 I2C_CLIENT_INSMOD_COMMON
560 #define I2C_CLIENT_INSMOD_3(chip1, chip2, chip3) \
561 enum chips { any_chip, chip1, chip2, chip3 }; \
562 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
563 "boldly assume to be present"); \
564 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
565 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
566 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
567 static unsigned short *forces[] = { force, force_##chip1, \
568 force_##chip2, force_##chip3, \
570 I2C_CLIENT_INSMOD_COMMON
572 #define I2C_CLIENT_INSMOD_4(chip1, chip2, chip3, chip4) \
573 enum chips { any_chip, chip1, chip2, chip3, chip4 }; \
574 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
575 "boldly assume to be present"); \
576 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
577 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
578 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
579 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
580 static unsigned short *forces[] = { force, force_##chip1, \
581 force_##chip2, force_##chip3, \
582 force_##chip4, NULL}; \
583 I2C_CLIENT_INSMOD_COMMON
585 #define I2C_CLIENT_INSMOD_5(chip1, chip2, chip3, chip4, chip5) \
586 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5 }; \
587 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
588 "boldly assume to be present"); \
589 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
590 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
591 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
592 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
593 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
594 static unsigned short *forces[] = { force, force_##chip1, \
595 force_##chip2, force_##chip3, \
596 force_##chip4, force_##chip5, \
598 I2C_CLIENT_INSMOD_COMMON
600 #define I2C_CLIENT_INSMOD_6(chip1, chip2, chip3, chip4, chip5, chip6) \
601 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6 }; \
602 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
603 "boldly assume to be present"); \
604 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
605 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
606 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
607 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
608 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
609 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
610 static unsigned short *forces[] = { force, force_##chip1, \
611 force_##chip2, force_##chip3, \
612 force_##chip4, force_##chip5, \
613 force_##chip6, NULL }; \
614 I2C_CLIENT_INSMOD_COMMON
616 #define I2C_CLIENT_INSMOD_7(chip1, chip2, chip3, chip4, chip5, chip6, chip7) \
617 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \
619 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
620 "boldly assume to be present"); \
621 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
622 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
623 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
624 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
625 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
626 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
627 I2C_CLIENT_MODULE_PARM_FORCE(chip7); \
628 static unsigned short *forces[] = { force, force_##chip1, \
629 force_##chip2, force_##chip3, \
630 force_##chip4, force_##chip5, \
631 force_##chip6, force_##chip7, \
633 I2C_CLIENT_INSMOD_COMMON
635 #define I2C_CLIENT_INSMOD_8(chip1, chip2, chip3, chip4, chip5, chip6, chip7, chip8) \
636 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \
638 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
639 "boldly assume to be present"); \
640 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
641 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
642 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
643 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
644 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
645 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
646 I2C_CLIENT_MODULE_PARM_FORCE(chip7); \
647 I2C_CLIENT_MODULE_PARM_FORCE(chip8); \
648 static unsigned short *forces[] = { force, force_##chip1, \
649 force_##chip2, force_##chip3, \
650 force_##chip4, force_##chip5, \
651 force_##chip6, force_##chip7, \
652 force_##chip8, NULL }; \
653 I2C_CLIENT_INSMOD_COMMON
655 #endif /* _LINUX_I2C_H */