1 /* ------------------------------------------------------------------------- */
3 /* i2c.h - definitions for the i2c-bus interface */
5 /* ------------------------------------------------------------------------- */
6 /* Copyright (C) 1995-2000 Simon G. Vogl
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
21 /* ------------------------------------------------------------------------- */
23 /* With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and
24 Frodo Looijaard <frodol@dds.nl> */
29 #include <linux/types.h>
31 #include <linux/module.h>
32 #include <linux/i2c-id.h>
33 #include <linux/mod_devicetable.h>
34 #include <linux/device.h> /* for struct device */
35 #include <linux/sched.h> /* for completion */
36 #include <linux/mutex.h>
38 /* --- For i2c-isa ---------------------------------------------------- */
40 extern void i2c_adapter_dev_release(struct device *dev);
41 extern struct class i2c_adapter_class;
42 extern struct bus_type i2c_bus_type;
44 /* --- General options ------------------------------------------------ */
54 * The master routines are the ones normally used to transmit data to devices
55 * on a bus (or read from them). Apart from two basic transfer functions to
56 * transmit one message at a time, a more complex version can be used to
57 * transmit an arbitrary number of messages without interruption.
59 extern int i2c_master_send(struct i2c_client *,const char* ,int);
60 extern int i2c_master_recv(struct i2c_client *,char* ,int);
62 /* Transfer num messages.
64 extern int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num);
67 /* This is the very generalized SMBus access routine. You probably do not
68 want to use this, though; one of the functions below may be much easier,
69 and probably just as fast.
70 Note that we use i2c_adapter here, because you do not need a specific
71 smbus adapter to call this function. */
72 extern s32 i2c_smbus_xfer (struct i2c_adapter * adapter, u16 addr,
74 char read_write, u8 command, int size,
75 union i2c_smbus_data * data);
77 /* Now follow the 'nice' access routines. These also document the calling
78 conventions of smbus_access. */
80 extern s32 i2c_smbus_write_quick(struct i2c_client * client, u8 value);
81 extern s32 i2c_smbus_read_byte(struct i2c_client * client);
82 extern s32 i2c_smbus_write_byte(struct i2c_client * client, u8 value);
83 extern s32 i2c_smbus_read_byte_data(struct i2c_client * client, u8 command);
84 extern s32 i2c_smbus_write_byte_data(struct i2c_client * client,
85 u8 command, u8 value);
86 extern s32 i2c_smbus_read_word_data(struct i2c_client * client, u8 command);
87 extern s32 i2c_smbus_write_word_data(struct i2c_client * client,
88 u8 command, u16 value);
89 extern s32 i2c_smbus_write_block_data(struct i2c_client * client,
90 u8 command, u8 length,
92 /* Returns the number of read bytes */
93 extern s32 i2c_smbus_read_i2c_block_data(struct i2c_client * client,
94 u8 command, u8 *values);
95 extern s32 i2c_smbus_write_i2c_block_data(struct i2c_client * client,
96 u8 command, u8 length,
100 * A driver is capable of handling one or more physical devices present on
101 * I2C adapters. This information is used to inform the driver of adapter
104 * The driver.owner field should be set to the module owner of this driver.
105 * The driver.name field should be set to the name of this driver.
112 /* Notifies the driver that a new bus has appeared. This routine
113 * can be used by the driver to test if the bus meets its conditions
114 * & seek for the presence of the chip(s) it supports. If found, it
115 * registers the client(s) that are on the bus to the i2c admin. via
118 int (*attach_adapter)(struct i2c_adapter *);
119 int (*detach_adapter)(struct i2c_adapter *);
121 /* tells the driver that a client is about to be deleted & gives it
122 * the chance to remove its private data. Also, if the client struct
123 * has been dynamically allocated by the driver in the function above,
124 * it must be freed here.
126 int (*detach_client)(struct i2c_client *);
128 /* driver model interfaces that don't relate to enumeration */
129 void (*shutdown)(struct i2c_client *);
130 int (*suspend)(struct i2c_client *, pm_message_t mesg);
131 int (*resume)(struct i2c_client *);
133 /* a ioctl like command that can be used to perform specific functions
136 int (*command)(struct i2c_client *client,unsigned int cmd, void *arg);
138 struct device_driver driver;
139 struct list_head list;
141 #define to_i2c_driver(d) container_of(d, struct i2c_driver, driver)
143 #define I2C_NAME_SIZE 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 /* master_xfer should return the number of messages successfully
193 processed, or a negative value on error */
194 int (*master_xfer)(struct i2c_adapter *adap,struct i2c_msg *msgs,
196 int (*smbus_xfer) (struct i2c_adapter *adap, u16 addr,
197 unsigned short flags, char read_write,
198 u8 command, int size, union i2c_smbus_data * data);
200 /* --- ioctl like call to set div. parameters. */
201 int (*algo_control)(struct i2c_adapter *, unsigned int, unsigned long);
203 /* To determine what the adapter supports */
204 u32 (*functionality) (struct i2c_adapter *);
208 * i2c_adapter is the structure used to identify a physical i2c bus along
209 * with the access algorithms necessary to access it.
212 struct module *owner;
215 const struct i2c_algorithm *algo; /* the algorithm to access the bus */
218 /* --- administration stuff. */
219 int (*client_register)(struct i2c_client *);
220 int (*client_unregister)(struct i2c_client *);
222 /* data fields that are valid for all devices */
223 u8 level; /* nesting level for lockdep */
224 struct mutex bus_lock;
225 struct mutex clist_lock;
229 struct device dev; /* the adapter device */
232 struct list_head clients;
233 struct list_head list;
234 char name[I2C_NAME_SIZE];
235 struct completion dev_released;
237 #define dev_to_i2c_adapter(d) container_of(d, struct i2c_adapter, dev)
239 static inline void *i2c_get_adapdata (struct i2c_adapter *dev)
241 return dev_get_drvdata (&dev->dev);
244 static inline void i2c_set_adapdata (struct i2c_adapter *dev, void *data)
246 dev_set_drvdata (&dev->dev, data);
249 /*flags for the client struct: */
250 #define I2C_CLIENT_PEC 0x04 /* Use Packet Error Checking */
251 #define I2C_CLIENT_TEN 0x10 /* we have a ten bit chip address */
252 /* Must equal I2C_M_TEN below */
254 /* i2c adapter classes (bitmask) */
255 #define I2C_CLASS_HWMON (1<<0) /* lm_sensors, ... */
256 #define I2C_CLASS_TV_ANALOG (1<<1) /* bttv + friends */
257 #define I2C_CLASS_TV_DIGITAL (1<<2) /* dvb cards */
258 #define I2C_CLASS_DDC (1<<3) /* i2c-matroxfb ? */
259 #define I2C_CLASS_CAM_ANALOG (1<<4) /* camera with analog CCD */
260 #define I2C_CLASS_CAM_DIGITAL (1<<5) /* most webcams */
261 #define I2C_CLASS_SOUND (1<<6) /* sound devices */
262 #define I2C_CLASS_ALL (UINT_MAX) /* all of the above */
264 /* i2c_client_address_data is the struct for holding default client
265 * addresses for a driver and for the parameters supplied on the
268 struct i2c_client_address_data {
269 unsigned short *normal_i2c;
270 unsigned short *probe;
271 unsigned short *ignore;
272 unsigned short **forces;
275 /* Internal numbers to terminate lists */
276 #define I2C_CLIENT_END 0xfffeU
278 /* The numbers to use to set I2C bus address */
279 #define ANY_I2C_BUS 0xffff
280 #define ANY_I2C_ISA_BUS 9191
283 /* ----- functions exported by i2c.o */
287 extern int i2c_add_adapter(struct i2c_adapter *);
288 extern int i2c_del_adapter(struct i2c_adapter *);
290 extern int i2c_register_driver(struct module *, struct i2c_driver *);
291 extern int i2c_del_driver(struct i2c_driver *);
293 static inline int i2c_add_driver(struct i2c_driver *driver)
295 return i2c_register_driver(THIS_MODULE, driver);
298 extern int i2c_attach_client(struct i2c_client *);
299 extern int i2c_detach_client(struct i2c_client *);
301 /* Should be used to make sure that client-struct is valid and that it
302 is okay to access the i2c-client.
303 returns -ENODEV if client has gone in the meantime */
304 extern int i2c_use_client(struct i2c_client *);
305 extern int i2c_release_client(struct i2c_client *);
307 /* call the i2c_client->command() of all attached clients with
308 * the given arguments */
309 extern void i2c_clients_command(struct i2c_adapter *adap,
310 unsigned int cmd, void *arg);
312 /* returns -EBUSY if address has been taken, 0 if not. Note that the only
313 other place at which this is called is within i2c_attach_client; so
314 you can cheat by simply not registering. Not recommended, of course! */
315 extern int i2c_check_addr (struct i2c_adapter *adapter, int addr);
317 /* Detect function. It iterates over all possible addresses itself.
318 * It will only call found_proc if some client is connected at the
319 * specific address (unless a 'force' matched);
321 extern int i2c_probe(struct i2c_adapter *adapter,
322 struct i2c_client_address_data *address_data,
323 int (*found_proc) (struct i2c_adapter *, int, int));
325 /* An ioctl like call to set div. parameters of the adapter.
327 extern int i2c_control(struct i2c_client *,unsigned int, unsigned long);
329 extern struct i2c_adapter* i2c_get_adapter(int id);
330 extern void i2c_put_adapter(struct i2c_adapter *adap);
333 /* Return the functionality mask */
334 static inline u32 i2c_get_functionality(struct i2c_adapter *adap)
336 return adap->algo->functionality(adap);
339 /* Return 1 if adapter supports everything we need, 0 if not. */
340 static inline int i2c_check_functionality(struct i2c_adapter *adap, u32 func)
342 return (func & i2c_get_functionality(adap)) == func;
345 /* Return id number for a specific adapter */
346 static inline int i2c_adapter_id(struct i2c_adapter *adap)
350 #endif /* __KERNEL__ */
353 * I2C Message - used for pure i2c transaction, also from /dev interface
356 __u16 addr; /* slave address */
358 #define I2C_M_TEN 0x10 /* we have a ten bit chip address */
359 #define I2C_M_RD 0x01
360 #define I2C_M_NOSTART 0x4000
361 #define I2C_M_REV_DIR_ADDR 0x2000
362 #define I2C_M_IGNORE_NAK 0x1000
363 #define I2C_M_NO_RD_ACK 0x0800
364 __u16 len; /* msg length */
365 __u8 *buf; /* pointer to msg data */
368 /* To determine what functionality is present */
370 #define I2C_FUNC_I2C 0x00000001
371 #define I2C_FUNC_10BIT_ADDR 0x00000002
372 #define I2C_FUNC_PROTOCOL_MANGLING 0x00000004 /* I2C_M_{REV_DIR_ADDR,NOSTART,..} */
373 #define I2C_FUNC_SMBUS_HWPEC_CALC 0x00000008 /* SMBus 2.0 */
374 #define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000 /* SMBus 2.0 */
375 #define I2C_FUNC_SMBUS_QUICK 0x00010000
376 #define I2C_FUNC_SMBUS_READ_BYTE 0x00020000
377 #define I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000
378 #define I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000
379 #define I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000
380 #define I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000
381 #define I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000
382 #define I2C_FUNC_SMBUS_PROC_CALL 0x00800000
383 #define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000
384 #define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000
385 #define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000 /* I2C-like block xfer */
386 #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000 /* w/ 1-byte reg. addr. */
387 #define I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 0x10000000 /* I2C-like block xfer */
388 #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2 0x20000000 /* w/ 2-byte reg. addr. */
390 #define I2C_FUNC_SMBUS_BYTE (I2C_FUNC_SMBUS_READ_BYTE | \
391 I2C_FUNC_SMBUS_WRITE_BYTE)
392 #define I2C_FUNC_SMBUS_BYTE_DATA (I2C_FUNC_SMBUS_READ_BYTE_DATA | \
393 I2C_FUNC_SMBUS_WRITE_BYTE_DATA)
394 #define I2C_FUNC_SMBUS_WORD_DATA (I2C_FUNC_SMBUS_READ_WORD_DATA | \
395 I2C_FUNC_SMBUS_WRITE_WORD_DATA)
396 #define I2C_FUNC_SMBUS_BLOCK_DATA (I2C_FUNC_SMBUS_READ_BLOCK_DATA | \
397 I2C_FUNC_SMBUS_WRITE_BLOCK_DATA)
398 #define I2C_FUNC_SMBUS_I2C_BLOCK (I2C_FUNC_SMBUS_READ_I2C_BLOCK | \
399 I2C_FUNC_SMBUS_WRITE_I2C_BLOCK)
400 #define I2C_FUNC_SMBUS_I2C_BLOCK_2 (I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 | \
401 I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2)
403 #define I2C_FUNC_SMBUS_EMUL (I2C_FUNC_SMBUS_QUICK | \
404 I2C_FUNC_SMBUS_BYTE | \
405 I2C_FUNC_SMBUS_BYTE_DATA | \
406 I2C_FUNC_SMBUS_WORD_DATA | \
407 I2C_FUNC_SMBUS_PROC_CALL | \
408 I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | \
409 I2C_FUNC_SMBUS_I2C_BLOCK)
412 * Data for SMBus Messages
414 #define I2C_SMBUS_BLOCK_MAX 32 /* As specified in SMBus standard */
415 union i2c_smbus_data {
418 __u8 block[I2C_SMBUS_BLOCK_MAX + 2]; /* block[0] is used for length */
419 /* and one more for user-space compatibility */
422 /* smbus_access read or write markers */
423 #define I2C_SMBUS_READ 1
424 #define I2C_SMBUS_WRITE 0
426 /* SMBus transaction types (size parameter in the above functions)
427 Note: these no longer correspond to the (arbitrary) PIIX4 internal codes! */
428 #define I2C_SMBUS_QUICK 0
429 #define I2C_SMBUS_BYTE 1
430 #define I2C_SMBUS_BYTE_DATA 2
431 #define I2C_SMBUS_WORD_DATA 3
432 #define I2C_SMBUS_PROC_CALL 4
433 #define I2C_SMBUS_BLOCK_DATA 5
434 #define I2C_SMBUS_I2C_BLOCK_DATA 6
435 #define I2C_SMBUS_BLOCK_PROC_CALL 7 /* SMBus 2.0 */
438 /* ----- commands for the ioctl like i2c_command call:
439 * note that additional calls are defined in the algorithm and hw
440 * dependent layers - these can be listed here, or see the
441 * corresponding header files.
443 /* -> bit-adapter specific ioctls */
444 #define I2C_RETRIES 0x0701 /* number of times a device address */
445 /* should be polled when not */
447 #define I2C_TIMEOUT 0x0702 /* set timeout - call with int */
450 /* this is for i2c-dev.c */
451 #define I2C_SLAVE 0x0703 /* Change slave address */
452 /* Attn.: Slave address is 7 or 10 bits */
453 #define I2C_SLAVE_FORCE 0x0706 /* Change slave address */
454 /* Attn.: Slave address is 7 or 10 bits */
455 /* This changes the address, even if it */
456 /* is already taken! */
457 #define I2C_TENBIT 0x0704 /* 0 for 7 bit addrs, != 0 for 10 bit */
459 #define I2C_FUNCS 0x0705 /* Get the adapter functionality */
460 #define I2C_RDWR 0x0707 /* Combined R/W transfer (one stop only)*/
461 #define I2C_PEC 0x0708 /* != 0 for SMBus PEC */
463 #define I2C_SMBUS 0x0720 /* SMBus-level access */
465 /* ----- I2C-DEV: char device interface stuff ------------------------- */
468 #define I2C_MAJOR 89 /* Device major number */
470 /* These defines are used for probing i2c client addresses */
471 /* The length of the option lists */
472 #define I2C_CLIENT_MAX_OPTS 48
474 /* Default fill of many variables */
475 #define I2C_CLIENT_DEFAULTS {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, \
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}
492 /* I2C_CLIENT_MODULE_PARM creates a module parameter, and puts it in the
495 #define I2C_CLIENT_MODULE_PARM(var,desc) \
496 static unsigned short var[I2C_CLIENT_MAX_OPTS] = I2C_CLIENT_DEFAULTS; \
497 static unsigned int var##_num; \
498 module_param_array(var, short, &var##_num, 0); \
499 MODULE_PARM_DESC(var,desc)
501 #define I2C_CLIENT_MODULE_PARM_FORCE(name) \
502 I2C_CLIENT_MODULE_PARM(force_##name, \
503 "List of adapter,address pairs which are " \
504 "unquestionably assumed to contain a `" \
508 #define I2C_CLIENT_INSMOD_COMMON \
509 I2C_CLIENT_MODULE_PARM(probe, "List of adapter,address pairs to scan " \
511 I2C_CLIENT_MODULE_PARM(ignore, "List of adapter,address pairs not to " \
513 static struct i2c_client_address_data addr_data = { \
514 .normal_i2c = normal_i2c, \
520 /* These are the ones you want to use in your own drivers. Pick the one
521 which matches the number of devices the driver differenciates between. */
522 #define I2C_CLIENT_INSMOD \
523 I2C_CLIENT_MODULE_PARM(force, \
524 "List of adapter,address pairs to boldly assume " \
526 static unsigned short *forces[] = { \
530 I2C_CLIENT_INSMOD_COMMON
532 #define I2C_CLIENT_INSMOD_1(chip1) \
533 enum chips { any_chip, chip1 }; \
534 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
535 "boldly assume to be present"); \
536 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
537 static unsigned short *forces[] = { force, force_##chip1, NULL }; \
538 I2C_CLIENT_INSMOD_COMMON
540 #define I2C_CLIENT_INSMOD_2(chip1, chip2) \
541 enum chips { any_chip, chip1, chip2 }; \
542 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
543 "boldly assume to be present"); \
544 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
545 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
546 static unsigned short *forces[] = { force, force_##chip1, \
547 force_##chip2, NULL }; \
548 I2C_CLIENT_INSMOD_COMMON
550 #define I2C_CLIENT_INSMOD_3(chip1, chip2, chip3) \
551 enum chips { any_chip, chip1, chip2, chip3 }; \
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 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
557 static unsigned short *forces[] = { force, force_##chip1, \
558 force_##chip2, force_##chip3, \
560 I2C_CLIENT_INSMOD_COMMON
562 #define I2C_CLIENT_INSMOD_4(chip1, chip2, chip3, chip4) \
563 enum chips { any_chip, chip1, chip2, chip3, chip4 }; \
564 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
565 "boldly assume to be present"); \
566 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
567 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
568 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
569 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
570 static unsigned short *forces[] = { force, force_##chip1, \
571 force_##chip2, force_##chip3, \
572 force_##chip4, NULL}; \
573 I2C_CLIENT_INSMOD_COMMON
575 #define I2C_CLIENT_INSMOD_5(chip1, chip2, chip3, chip4, chip5) \
576 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5 }; \
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 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
584 static unsigned short *forces[] = { force, force_##chip1, \
585 force_##chip2, force_##chip3, \
586 force_##chip4, force_##chip5, \
588 I2C_CLIENT_INSMOD_COMMON
590 #define I2C_CLIENT_INSMOD_6(chip1, chip2, chip3, chip4, chip5, chip6) \
591 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6 }; \
592 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
593 "boldly assume to be present"); \
594 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
595 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
596 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
597 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
598 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
599 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
600 static unsigned short *forces[] = { force, force_##chip1, \
601 force_##chip2, force_##chip3, \
602 force_##chip4, force_##chip5, \
603 force_##chip6, NULL }; \
604 I2C_CLIENT_INSMOD_COMMON
606 #define I2C_CLIENT_INSMOD_7(chip1, chip2, chip3, chip4, chip5, chip6, chip7) \
607 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \
609 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
610 "boldly assume to be present"); \
611 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
612 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
613 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
614 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
615 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
616 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
617 I2C_CLIENT_MODULE_PARM_FORCE(chip7); \
618 static unsigned short *forces[] = { force, force_##chip1, \
619 force_##chip2, force_##chip3, \
620 force_##chip4, force_##chip5, \
621 force_##chip6, force_##chip7, \
623 I2C_CLIENT_INSMOD_COMMON
625 #define I2C_CLIENT_INSMOD_8(chip1, chip2, chip3, chip4, chip5, chip6, chip7, chip8) \
626 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \
628 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
629 "boldly assume to be present"); \
630 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
631 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
632 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
633 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
634 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
635 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
636 I2C_CLIENT_MODULE_PARM_FORCE(chip7); \
637 I2C_CLIENT_MODULE_PARM_FORCE(chip8); \
638 static unsigned short *forces[] = { force, force_##chip1, \
639 force_##chip2, force_##chip3, \
640 force_##chip4, force_##chip5, \
641 force_##chip6, force_##chip7, \
642 force_##chip8, NULL }; \
643 I2C_CLIENT_INSMOD_COMMON
644 #endif /* __KERNEL__ */
645 #endif /* _LINUX_I2C_H */