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
109 * The driver.owner field should be set to the module owner of this driver.
110 * The driver.name field should be set to the name of this driver.
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 client struct: */
254 #define I2C_CLIENT_PEC 0x04 /* Use Packet Error Checking */
255 #define I2C_CLIENT_TEN 0x10 /* we have a ten bit chip address */
256 /* Must equal I2C_M_TEN below */
258 /* i2c adapter classes (bitmask) */
259 #define I2C_CLASS_HWMON (1<<0) /* lm_sensors, ... */
260 #define I2C_CLASS_TV_ANALOG (1<<1) /* bttv + friends */
261 #define I2C_CLASS_TV_DIGITAL (1<<2) /* dvb cards */
262 #define I2C_CLASS_DDC (1<<3) /* i2c-matroxfb ? */
263 #define I2C_CLASS_CAM_ANALOG (1<<4) /* camera with analog CCD */
264 #define I2C_CLASS_CAM_DIGITAL (1<<5) /* most webcams */
265 #define I2C_CLASS_SOUND (1<<6) /* sound devices */
266 #define I2C_CLASS_ALL (UINT_MAX) /* all of the above */
268 /* i2c_client_address_data is the struct for holding default client
269 * addresses for a driver and for the parameters supplied on the
272 struct i2c_client_address_data {
273 unsigned short *normal_i2c;
274 unsigned short *probe;
275 unsigned short *ignore;
276 unsigned short **forces;
279 /* Internal numbers to terminate lists */
280 #define I2C_CLIENT_END 0xfffeU
282 /* The numbers to use to set I2C bus address */
283 #define ANY_I2C_BUS 0xffff
284 #define ANY_I2C_ISA_BUS 9191
287 /* ----- functions exported by i2c.o */
291 extern int i2c_add_adapter(struct i2c_adapter *);
292 extern int i2c_del_adapter(struct i2c_adapter *);
294 extern int i2c_add_driver(struct i2c_driver *);
295 extern int i2c_del_driver(struct i2c_driver *);
297 extern int i2c_attach_client(struct i2c_client *);
298 extern int i2c_detach_client(struct i2c_client *);
300 /* Should be used to make sure that client-struct is valid and that it
301 is okay to access the i2c-client.
302 returns -ENODEV if client has gone in the meantime */
303 extern int i2c_use_client(struct i2c_client *);
304 extern int i2c_release_client(struct i2c_client *);
306 /* call the i2c_client->command() of all attached clients with
307 * the given arguments */
308 extern void i2c_clients_command(struct i2c_adapter *adap,
309 unsigned int cmd, void *arg);
311 /* returns -EBUSY if address has been taken, 0 if not. Note that the only
312 other place at which this is called is within i2c_attach_client; so
313 you can cheat by simply not registering. Not recommended, of course! */
314 extern int i2c_check_addr (struct i2c_adapter *adapter, int addr);
316 /* Detect function. It iterates over all possible addresses itself.
317 * It will only call found_proc if some client is connected at the
318 * specific address (unless a 'force' matched);
320 extern int i2c_probe(struct i2c_adapter *adapter,
321 struct i2c_client_address_data *address_data,
322 int (*found_proc) (struct i2c_adapter *, int, int));
324 /* An ioctl like call to set div. parameters of the adapter.
326 extern int i2c_control(struct i2c_client *,unsigned int, unsigned long);
328 extern struct i2c_adapter* i2c_get_adapter(int id);
329 extern void i2c_put_adapter(struct i2c_adapter *adap);
332 /* Return the functionality mask */
333 static inline u32 i2c_get_functionality(struct i2c_adapter *adap)
335 return adap->algo->functionality(adap);
338 /* Return 1 if adapter supports everything we need, 0 if not. */
339 static inline int i2c_check_functionality(struct i2c_adapter *adap, u32 func)
341 return (func & i2c_get_functionality(adap)) == func;
344 /* Return id number for a specific adapter */
345 static inline int i2c_adapter_id(struct i2c_adapter *adap)
351 * I2C Message - used for pure i2c transaction, also from /dev interface
354 __u16 addr; /* slave address */
356 #define I2C_M_TEN 0x10 /* we have a ten bit chip address */
357 #define I2C_M_RD 0x01
358 #define I2C_M_NOSTART 0x4000
359 #define I2C_M_REV_DIR_ADDR 0x2000
360 #define I2C_M_IGNORE_NAK 0x1000
361 #define I2C_M_NO_RD_ACK 0x0800
362 __u16 len; /* msg length */
363 __u8 *buf; /* pointer to msg data */
366 /* To determine what functionality is present */
368 #define I2C_FUNC_I2C 0x00000001
369 #define I2C_FUNC_10BIT_ADDR 0x00000002
370 #define I2C_FUNC_PROTOCOL_MANGLING 0x00000004 /* I2C_M_{REV_DIR_ADDR,NOSTART,..} */
371 #define I2C_FUNC_SMBUS_HWPEC_CALC 0x00000008 /* SMBus 2.0 */
372 #define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000 /* SMBus 2.0 */
373 #define I2C_FUNC_SMBUS_QUICK 0x00010000
374 #define I2C_FUNC_SMBUS_READ_BYTE 0x00020000
375 #define I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000
376 #define I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000
377 #define I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000
378 #define I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000
379 #define I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000
380 #define I2C_FUNC_SMBUS_PROC_CALL 0x00800000
381 #define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000
382 #define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000
383 #define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000 /* I2C-like block xfer */
384 #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000 /* w/ 1-byte reg. addr. */
385 #define I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 0x10000000 /* I2C-like block xfer */
386 #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2 0x20000000 /* w/ 2-byte reg. addr. */
388 #define I2C_FUNC_SMBUS_BYTE (I2C_FUNC_SMBUS_READ_BYTE | \
389 I2C_FUNC_SMBUS_WRITE_BYTE)
390 #define I2C_FUNC_SMBUS_BYTE_DATA (I2C_FUNC_SMBUS_READ_BYTE_DATA | \
391 I2C_FUNC_SMBUS_WRITE_BYTE_DATA)
392 #define I2C_FUNC_SMBUS_WORD_DATA (I2C_FUNC_SMBUS_READ_WORD_DATA | \
393 I2C_FUNC_SMBUS_WRITE_WORD_DATA)
394 #define I2C_FUNC_SMBUS_BLOCK_DATA (I2C_FUNC_SMBUS_READ_BLOCK_DATA | \
395 I2C_FUNC_SMBUS_WRITE_BLOCK_DATA)
396 #define I2C_FUNC_SMBUS_I2C_BLOCK (I2C_FUNC_SMBUS_READ_I2C_BLOCK | \
397 I2C_FUNC_SMBUS_WRITE_I2C_BLOCK)
398 #define I2C_FUNC_SMBUS_I2C_BLOCK_2 (I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 | \
399 I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2)
401 #define I2C_FUNC_SMBUS_EMUL (I2C_FUNC_SMBUS_QUICK | \
402 I2C_FUNC_SMBUS_BYTE | \
403 I2C_FUNC_SMBUS_BYTE_DATA | \
404 I2C_FUNC_SMBUS_WORD_DATA | \
405 I2C_FUNC_SMBUS_PROC_CALL | \
406 I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | \
407 I2C_FUNC_SMBUS_I2C_BLOCK)
410 * Data for SMBus Messages
412 #define I2C_SMBUS_BLOCK_MAX 32 /* As specified in SMBus standard */
413 union i2c_smbus_data {
416 __u8 block[I2C_SMBUS_BLOCK_MAX + 2]; /* block[0] is used for length */
417 /* and one more for user-space compatibility */
420 /* smbus_access read or write markers */
421 #define I2C_SMBUS_READ 1
422 #define I2C_SMBUS_WRITE 0
424 /* SMBus transaction types (size parameter in the above functions)
425 Note: these no longer correspond to the (arbitrary) PIIX4 internal codes! */
426 #define I2C_SMBUS_QUICK 0
427 #define I2C_SMBUS_BYTE 1
428 #define I2C_SMBUS_BYTE_DATA 2
429 #define I2C_SMBUS_WORD_DATA 3
430 #define I2C_SMBUS_PROC_CALL 4
431 #define I2C_SMBUS_BLOCK_DATA 5
432 #define I2C_SMBUS_I2C_BLOCK_DATA 6
433 #define I2C_SMBUS_BLOCK_PROC_CALL 7 /* SMBus 2.0 */
436 /* ----- commands for the ioctl like i2c_command call:
437 * note that additional calls are defined in the algorithm and hw
438 * dependent layers - these can be listed here, or see the
439 * corresponding header files.
441 /* -> bit-adapter specific ioctls */
442 #define I2C_RETRIES 0x0701 /* number of times a device address */
443 /* should be polled when not */
445 #define I2C_TIMEOUT 0x0702 /* set timeout - call with int */
448 /* this is for i2c-dev.c */
449 #define I2C_SLAVE 0x0703 /* Change slave address */
450 /* Attn.: Slave address is 7 or 10 bits */
451 #define I2C_SLAVE_FORCE 0x0706 /* Change slave address */
452 /* Attn.: Slave address is 7 or 10 bits */
453 /* This changes the address, even if it */
454 /* is already taken! */
455 #define I2C_TENBIT 0x0704 /* 0 for 7 bit addrs, != 0 for 10 bit */
457 #define I2C_FUNCS 0x0705 /* Get the adapter functionality */
458 #define I2C_RDWR 0x0707 /* Combined R/W transfer (one stop only)*/
459 #define I2C_PEC 0x0708 /* != 0 for SMBus PEC */
461 #define I2C_SMBUS 0x0720 /* SMBus-level access */
463 /* ----- I2C-DEV: char device interface stuff ------------------------- */
465 #define I2C_MAJOR 89 /* Device major number */
467 /* These defines are used for probing i2c client addresses */
468 /* The length of the option lists */
469 #define I2C_CLIENT_MAX_OPTS 48
471 /* Default fill of many variables */
472 #define I2C_CLIENT_DEFAULTS {I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
473 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
474 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
475 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
476 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
477 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
478 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
479 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
480 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
481 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}
489 /* I2C_CLIENT_MODULE_PARM creates a module parameter, and puts it in the
492 #define I2C_CLIENT_MODULE_PARM(var,desc) \
493 static unsigned short var[I2C_CLIENT_MAX_OPTS] = I2C_CLIENT_DEFAULTS; \
494 static unsigned int var##_num; \
495 module_param_array(var, short, &var##_num, 0); \
496 MODULE_PARM_DESC(var,desc)
498 #define I2C_CLIENT_MODULE_PARM_FORCE(name) \
499 I2C_CLIENT_MODULE_PARM(force_##name, \
500 "List of adapter,address pairs which are " \
501 "unquestionably assumed to contain a `" \
505 #define I2C_CLIENT_INSMOD_COMMON \
506 I2C_CLIENT_MODULE_PARM(probe, "List of adapter,address pairs to scan " \
508 I2C_CLIENT_MODULE_PARM(ignore, "List of adapter,address pairs not to " \
510 static struct i2c_client_address_data addr_data = { \
511 .normal_i2c = normal_i2c, \
517 /* These are the ones you want to use in your own drivers. Pick the one
518 which matches the number of devices the driver differenciates between. */
519 #define I2C_CLIENT_INSMOD \
520 I2C_CLIENT_MODULE_PARM(force, \
521 "List of adapter,address pairs to boldly assume " \
523 static unsigned short *forces[] = { \
527 I2C_CLIENT_INSMOD_COMMON
529 #define I2C_CLIENT_INSMOD_1(chip1) \
530 enum chips { any_chip, chip1 }; \
531 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
532 "boldly assume to be present"); \
533 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
534 static unsigned short *forces[] = { force, force_##chip1, NULL }; \
535 I2C_CLIENT_INSMOD_COMMON
537 #define I2C_CLIENT_INSMOD_2(chip1, chip2) \
538 enum chips { any_chip, chip1, chip2 }; \
539 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
540 "boldly assume to be present"); \
541 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
542 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
543 static unsigned short *forces[] = { force, force_##chip1, \
544 force_##chip2, NULL }; \
545 I2C_CLIENT_INSMOD_COMMON
547 #define I2C_CLIENT_INSMOD_3(chip1, chip2, chip3) \
548 enum chips { any_chip, chip1, chip2, chip3 }; \
549 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
550 "boldly assume to be present"); \
551 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
552 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
553 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
554 static unsigned short *forces[] = { force, force_##chip1, \
555 force_##chip2, force_##chip3, \
557 I2C_CLIENT_INSMOD_COMMON
559 #define I2C_CLIENT_INSMOD_4(chip1, chip2, chip3, chip4) \
560 enum chips { any_chip, chip1, chip2, chip3, chip4 }; \
561 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
562 "boldly assume to be present"); \
563 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
564 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
565 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
566 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
567 static unsigned short *forces[] = { force, force_##chip1, \
568 force_##chip2, force_##chip3, \
569 force_##chip4, NULL}; \
570 I2C_CLIENT_INSMOD_COMMON
572 #define I2C_CLIENT_INSMOD_5(chip1, chip2, chip3, chip4, chip5) \
573 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5 }; \
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 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
581 static unsigned short *forces[] = { force, force_##chip1, \
582 force_##chip2, force_##chip3, \
583 force_##chip4, force_##chip5, \
585 I2C_CLIENT_INSMOD_COMMON
587 #define I2C_CLIENT_INSMOD_6(chip1, chip2, chip3, chip4, chip5, chip6) \
588 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6 }; \
589 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
590 "boldly assume to be present"); \
591 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
592 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
593 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
594 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
595 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
596 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
597 static unsigned short *forces[] = { force, force_##chip1, \
598 force_##chip2, force_##chip3, \
599 force_##chip4, force_##chip5, \
600 force_##chip6, NULL }; \
601 I2C_CLIENT_INSMOD_COMMON
603 #define I2C_CLIENT_INSMOD_7(chip1, chip2, chip3, chip4, chip5, chip6, chip7) \
604 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \
606 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
607 "boldly assume to be present"); \
608 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
609 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
610 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
611 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
612 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
613 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
614 I2C_CLIENT_MODULE_PARM_FORCE(chip7); \
615 static unsigned short *forces[] = { force, force_##chip1, \
616 force_##chip2, force_##chip3, \
617 force_##chip4, force_##chip5, \
618 force_##chip6, force_##chip7, \
620 I2C_CLIENT_INSMOD_COMMON
622 #define I2C_CLIENT_INSMOD_8(chip1, chip2, chip3, chip4, chip5, chip6, chip7, chip8) \
623 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \
625 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
626 "boldly assume to be present"); \
627 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
628 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
629 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
630 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
631 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
632 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
633 I2C_CLIENT_MODULE_PARM_FORCE(chip7); \
634 I2C_CLIENT_MODULE_PARM_FORCE(chip8); \
635 static unsigned short *forces[] = { force, force_##chip1, \
636 force_##chip2, force_##chip3, \
637 force_##chip4, force_##chip5, \
638 force_##chip6, force_##chip7, \
639 force_##chip8, NULL }; \
640 I2C_CLIENT_INSMOD_COMMON
642 #endif /* _LINUX_I2C_H */