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