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 device_driver i2c_adapter_driver;
42 extern struct class i2c_adapter_class;
43 extern struct bus_type i2c_bus_type;
45 /* --- General options ------------------------------------------------ */
55 * The master routines are the ones normally used to transmit data to devices
56 * on a bus (or read from them). Apart from two basic transfer functions to
57 * transmit one message at a time, a more complex version can be used to
58 * transmit an arbitrary number of messages without interruption.
60 extern int i2c_master_send(struct i2c_client *,const char* ,int);
61 extern int i2c_master_recv(struct i2c_client *,char* ,int);
63 /* Transfer num messages.
65 extern int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num);
68 /* This is the very generalized SMBus access routine. You probably do not
69 want to use this, though; one of the functions below may be much easier,
70 and probably just as fast.
71 Note that we use i2c_adapter here, because you do not need a specific
72 smbus adapter to call this function. */
73 extern s32 i2c_smbus_xfer (struct i2c_adapter * adapter, u16 addr,
75 char read_write, u8 command, int size,
76 union i2c_smbus_data * data);
78 /* Now follow the 'nice' access routines. These also document the calling
79 conventions of smbus_access. */
81 extern s32 i2c_smbus_write_quick(struct i2c_client * client, u8 value);
82 extern s32 i2c_smbus_read_byte(struct i2c_client * client);
83 extern s32 i2c_smbus_write_byte(struct i2c_client * client, u8 value);
84 extern s32 i2c_smbus_read_byte_data(struct i2c_client * client, u8 command);
85 extern s32 i2c_smbus_write_byte_data(struct i2c_client * client,
86 u8 command, u8 value);
87 extern s32 i2c_smbus_read_word_data(struct i2c_client * client, u8 command);
88 extern s32 i2c_smbus_write_word_data(struct i2c_client * client,
89 u8 command, u16 value);
90 extern s32 i2c_smbus_write_block_data(struct i2c_client * client,
91 u8 command, u8 length,
93 /* Returns the number of read bytes */
94 extern s32 i2c_smbus_read_i2c_block_data(struct i2c_client * client,
95 u8 command, u8 *values);
96 extern s32 i2c_smbus_write_i2c_block_data(struct i2c_client * client,
97 u8 command, u8 length,
101 * A driver is capable of handling one or more physical devices present on
102 * I2C adapters. This information is used to inform the driver of adapter
105 * The driver.owner field should be set to the module owner of this driver.
106 * The driver.name field should be set to the name of this driver.
113 /* Notifies the driver that a new bus has appeared. This routine
114 * can be used by the driver to test if the bus meets its conditions
115 * & seek for the presence of the chip(s) it supports. If found, it
116 * registers the client(s) that are on the bus to the i2c admin. via
119 int (*attach_adapter)(struct i2c_adapter *);
120 int (*detach_adapter)(struct i2c_adapter *);
122 /* tells the driver that a client is about to be deleted & gives it
123 * the chance to remove its private data. Also, if the client struct
124 * has been dynamically allocated by the driver in the function above,
125 * it must be freed here.
127 int (*detach_client)(struct i2c_client *);
129 /* driver model interfaces that don't relate to enumeration */
130 void (*shutdown)(struct i2c_client *);
131 int (*suspend)(struct i2c_client *, pm_message_t mesg);
132 int (*resume)(struct i2c_client *);
134 /* a ioctl like command that can be used to perform specific functions
137 int (*command)(struct i2c_client *client,unsigned int cmd, void *arg);
139 struct device_driver driver;
140 struct list_head list;
142 #define to_i2c_driver(d) container_of(d, struct i2c_driver, driver)
144 #define I2C_NAME_SIZE 50
147 * i2c_client identifies a single device (i.e. chip) that is connected to an
148 * i2c bus. The behaviour is defined by the routines of the driver. This
149 * function is mainly used for lookup & other admin. functions.
152 unsigned int flags; /* div., see below */
153 unsigned short addr; /* chip address - NOTE: 7bit */
154 /* addresses are stored in the */
156 struct i2c_adapter *adapter; /* the adapter we sit on */
157 struct i2c_driver *driver; /* and our access routines */
158 int usage_count; /* How many accesses currently */
160 struct device dev; /* the device structure */
161 struct list_head list;
162 char name[I2C_NAME_SIZE];
163 struct completion released;
165 #define to_i2c_client(d) container_of(d, struct i2c_client, dev)
167 static inline struct i2c_client *kobj_to_i2c_client(struct kobject *kobj)
169 return to_i2c_client(container_of(kobj, struct device, kobj));
172 static inline void *i2c_get_clientdata (struct i2c_client *dev)
174 return dev_get_drvdata (&dev->dev);
177 static inline void i2c_set_clientdata (struct i2c_client *dev, void *data)
179 dev_set_drvdata (&dev->dev, data);
183 * The following structs are for those who like to implement new bus drivers:
184 * i2c_algorithm is the interface to a class of hardware solutions which can
185 * be addressed using the same bus algorithms - i.e. bit-banging or the PCF8584
186 * to name two of the most common.
188 struct i2c_algorithm {
189 /* If an adapter algorithm can't do I2C-level access, set master_xfer
190 to NULL. If an adapter algorithm can do SMBus access, set
191 smbus_xfer. If set to NULL, the SMBus protocol is simulated
192 using common I2C messages */
193 /* master_xfer should return the number of messages successfully
194 processed, or a negative value on error */
195 int (*master_xfer)(struct i2c_adapter *adap,struct i2c_msg *msgs,
197 int (*smbus_xfer) (struct i2c_adapter *adap, u16 addr,
198 unsigned short flags, char read_write,
199 u8 command, int size, union i2c_smbus_data * data);
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 const 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 u8 level; /* nesting level for lockdep */
225 struct mutex bus_lock;
226 struct mutex clist_lock;
230 struct device dev; /* the adapter device */
233 struct list_head clients;
234 struct list_head list;
235 char name[I2C_NAME_SIZE];
236 struct completion dev_released;
238 #define dev_to_i2c_adapter(d) container_of(d, struct i2c_adapter, dev)
240 static inline void *i2c_get_adapdata (struct i2c_adapter *dev)
242 return dev_get_drvdata (&dev->dev);
245 static inline void i2c_set_adapdata (struct i2c_adapter *dev, void *data)
247 dev_set_drvdata (&dev->dev, data);
250 /*flags for the client struct: */
251 #define I2C_CLIENT_PEC 0x04 /* Use Packet Error Checking */
252 #define I2C_CLIENT_TEN 0x10 /* we have a ten bit chip address */
253 /* Must equal I2C_M_TEN below */
255 /* i2c adapter classes (bitmask) */
256 #define I2C_CLASS_HWMON (1<<0) /* lm_sensors, ... */
257 #define I2C_CLASS_TV_ANALOG (1<<1) /* bttv + friends */
258 #define I2C_CLASS_TV_DIGITAL (1<<2) /* dvb cards */
259 #define I2C_CLASS_DDC (1<<3) /* i2c-matroxfb ? */
260 #define I2C_CLASS_CAM_ANALOG (1<<4) /* camera with analog CCD */
261 #define I2C_CLASS_CAM_DIGITAL (1<<5) /* most webcams */
262 #define I2C_CLASS_SOUND (1<<6) /* sound devices */
263 #define I2C_CLASS_ALL (UINT_MAX) /* all of the above */
265 /* i2c_client_address_data is the struct for holding default client
266 * addresses for a driver and for the parameters supplied on the
269 struct i2c_client_address_data {
270 unsigned short *normal_i2c;
271 unsigned short *probe;
272 unsigned short *ignore;
273 unsigned short **forces;
276 /* Internal numbers to terminate lists */
277 #define I2C_CLIENT_END 0xfffeU
279 /* The numbers to use to set I2C bus address */
280 #define ANY_I2C_BUS 0xffff
281 #define ANY_I2C_ISA_BUS 9191
284 /* ----- functions exported by i2c.o */
288 extern int i2c_add_adapter(struct i2c_adapter *);
289 extern int i2c_del_adapter(struct i2c_adapter *);
291 extern int i2c_register_driver(struct module *, struct i2c_driver *);
292 extern int i2c_del_driver(struct i2c_driver *);
294 static inline int i2c_add_driver(struct i2c_driver *driver)
296 return i2c_register_driver(THIS_MODULE, driver);
299 extern int i2c_attach_client(struct i2c_client *);
300 extern int i2c_detach_client(struct i2c_client *);
302 /* Should be used to make sure that client-struct is valid and that it
303 is okay to access the i2c-client.
304 returns -ENODEV if client has gone in the meantime */
305 extern int i2c_use_client(struct i2c_client *);
306 extern int i2c_release_client(struct i2c_client *);
308 /* call the i2c_client->command() of all attached clients with
309 * the given arguments */
310 extern void i2c_clients_command(struct i2c_adapter *adap,
311 unsigned int cmd, void *arg);
313 /* returns -EBUSY if address has been taken, 0 if not. Note that the only
314 other place at which this is called is within i2c_attach_client; so
315 you can cheat by simply not registering. Not recommended, of course! */
316 extern int i2c_check_addr (struct i2c_adapter *adapter, int addr);
318 /* Detect function. It iterates over all possible addresses itself.
319 * It will only call found_proc if some client is connected at the
320 * specific address (unless a 'force' matched);
322 extern int i2c_probe(struct i2c_adapter *adapter,
323 struct i2c_client_address_data *address_data,
324 int (*found_proc) (struct i2c_adapter *, int, int));
326 /* An ioctl like call to set div. parameters of the adapter.
328 extern int i2c_control(struct i2c_client *,unsigned int, unsigned long);
330 extern struct i2c_adapter* i2c_get_adapter(int id);
331 extern void i2c_put_adapter(struct i2c_adapter *adap);
334 /* Return the functionality mask */
335 static inline u32 i2c_get_functionality(struct i2c_adapter *adap)
337 return adap->algo->functionality(adap);
340 /* Return 1 if adapter supports everything we need, 0 if not. */
341 static inline int i2c_check_functionality(struct i2c_adapter *adap, u32 func)
343 return (func & i2c_get_functionality(adap)) == func;
346 /* Return id number for a specific adapter */
347 static inline int i2c_adapter_id(struct i2c_adapter *adap)
351 #endif /* __KERNEL__ */
354 * I2C Message - used for pure i2c transaction, also from /dev interface
357 __u16 addr; /* slave address */
359 #define I2C_M_TEN 0x10 /* we have a ten bit chip address */
360 #define I2C_M_RD 0x01
361 #define I2C_M_NOSTART 0x4000
362 #define I2C_M_REV_DIR_ADDR 0x2000
363 #define I2C_M_IGNORE_NAK 0x1000
364 #define I2C_M_NO_RD_ACK 0x0800
365 __u16 len; /* msg length */
366 __u8 *buf; /* pointer to msg data */
369 /* To determine what functionality is present */
371 #define I2C_FUNC_I2C 0x00000001
372 #define I2C_FUNC_10BIT_ADDR 0x00000002
373 #define I2C_FUNC_PROTOCOL_MANGLING 0x00000004 /* I2C_M_{REV_DIR_ADDR,NOSTART,..} */
374 #define I2C_FUNC_SMBUS_HWPEC_CALC 0x00000008 /* SMBus 2.0 */
375 #define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000 /* SMBus 2.0 */
376 #define I2C_FUNC_SMBUS_QUICK 0x00010000
377 #define I2C_FUNC_SMBUS_READ_BYTE 0x00020000
378 #define I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000
379 #define I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000
380 #define I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000
381 #define I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000
382 #define I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000
383 #define I2C_FUNC_SMBUS_PROC_CALL 0x00800000
384 #define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000
385 #define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000
386 #define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000 /* I2C-like block xfer */
387 #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000 /* w/ 1-byte reg. addr. */
388 #define I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 0x10000000 /* I2C-like block xfer */
389 #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2 0x20000000 /* w/ 2-byte reg. addr. */
391 #define I2C_FUNC_SMBUS_BYTE (I2C_FUNC_SMBUS_READ_BYTE | \
392 I2C_FUNC_SMBUS_WRITE_BYTE)
393 #define I2C_FUNC_SMBUS_BYTE_DATA (I2C_FUNC_SMBUS_READ_BYTE_DATA | \
394 I2C_FUNC_SMBUS_WRITE_BYTE_DATA)
395 #define I2C_FUNC_SMBUS_WORD_DATA (I2C_FUNC_SMBUS_READ_WORD_DATA | \
396 I2C_FUNC_SMBUS_WRITE_WORD_DATA)
397 #define I2C_FUNC_SMBUS_BLOCK_DATA (I2C_FUNC_SMBUS_READ_BLOCK_DATA | \
398 I2C_FUNC_SMBUS_WRITE_BLOCK_DATA)
399 #define I2C_FUNC_SMBUS_I2C_BLOCK (I2C_FUNC_SMBUS_READ_I2C_BLOCK | \
400 I2C_FUNC_SMBUS_WRITE_I2C_BLOCK)
401 #define I2C_FUNC_SMBUS_I2C_BLOCK_2 (I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 | \
402 I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2)
404 #define I2C_FUNC_SMBUS_EMUL (I2C_FUNC_SMBUS_QUICK | \
405 I2C_FUNC_SMBUS_BYTE | \
406 I2C_FUNC_SMBUS_BYTE_DATA | \
407 I2C_FUNC_SMBUS_WORD_DATA | \
408 I2C_FUNC_SMBUS_PROC_CALL | \
409 I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | \
410 I2C_FUNC_SMBUS_I2C_BLOCK)
413 * Data for SMBus Messages
415 #define I2C_SMBUS_BLOCK_MAX 32 /* As specified in SMBus standard */
416 union i2c_smbus_data {
419 __u8 block[I2C_SMBUS_BLOCK_MAX + 2]; /* block[0] is used for length */
420 /* and one more for user-space compatibility */
423 /* smbus_access read or write markers */
424 #define I2C_SMBUS_READ 1
425 #define I2C_SMBUS_WRITE 0
427 /* SMBus transaction types (size parameter in the above functions)
428 Note: these no longer correspond to the (arbitrary) PIIX4 internal codes! */
429 #define I2C_SMBUS_QUICK 0
430 #define I2C_SMBUS_BYTE 1
431 #define I2C_SMBUS_BYTE_DATA 2
432 #define I2C_SMBUS_WORD_DATA 3
433 #define I2C_SMBUS_PROC_CALL 4
434 #define I2C_SMBUS_BLOCK_DATA 5
435 #define I2C_SMBUS_I2C_BLOCK_DATA 6
436 #define I2C_SMBUS_BLOCK_PROC_CALL 7 /* SMBus 2.0 */
439 /* ----- commands for the ioctl like i2c_command call:
440 * note that additional calls are defined in the algorithm and hw
441 * dependent layers - these can be listed here, or see the
442 * corresponding header files.
444 /* -> bit-adapter specific ioctls */
445 #define I2C_RETRIES 0x0701 /* number of times a device address */
446 /* should be polled when not */
448 #define I2C_TIMEOUT 0x0702 /* set timeout - call with int */
451 /* this is for i2c-dev.c */
452 #define I2C_SLAVE 0x0703 /* Change slave address */
453 /* Attn.: Slave address is 7 or 10 bits */
454 #define I2C_SLAVE_FORCE 0x0706 /* Change slave address */
455 /* Attn.: Slave address is 7 or 10 bits */
456 /* This changes the address, even if it */
457 /* is already taken! */
458 #define I2C_TENBIT 0x0704 /* 0 for 7 bit addrs, != 0 for 10 bit */
460 #define I2C_FUNCS 0x0705 /* Get the adapter functionality */
461 #define I2C_RDWR 0x0707 /* Combined R/W transfer (one stop only)*/
462 #define I2C_PEC 0x0708 /* != 0 for SMBus PEC */
464 #define I2C_SMBUS 0x0720 /* SMBus-level access */
466 /* ----- I2C-DEV: char device interface stuff ------------------------- */
469 #define I2C_MAJOR 89 /* Device major number */
471 /* These defines are used for probing i2c client addresses */
472 /* The length of the option lists */
473 #define I2C_CLIENT_MAX_OPTS 48
475 /* Default fill of many variables */
476 #define I2C_CLIENT_DEFAULTS {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, \
491 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END}
493 /* I2C_CLIENT_MODULE_PARM creates a module parameter, and puts it in the
496 #define I2C_CLIENT_MODULE_PARM(var,desc) \
497 static unsigned short var[I2C_CLIENT_MAX_OPTS] = I2C_CLIENT_DEFAULTS; \
498 static unsigned int var##_num; \
499 module_param_array(var, short, &var##_num, 0); \
500 MODULE_PARM_DESC(var,desc)
502 #define I2C_CLIENT_MODULE_PARM_FORCE(name) \
503 I2C_CLIENT_MODULE_PARM(force_##name, \
504 "List of adapter,address pairs which are " \
505 "unquestionably assumed to contain a `" \
509 #define I2C_CLIENT_INSMOD_COMMON \
510 I2C_CLIENT_MODULE_PARM(probe, "List of adapter,address pairs to scan " \
512 I2C_CLIENT_MODULE_PARM(ignore, "List of adapter,address pairs not to " \
514 static struct i2c_client_address_data addr_data = { \
515 .normal_i2c = normal_i2c, \
521 /* These are the ones you want to use in your own drivers. Pick the one
522 which matches the number of devices the driver differenciates between. */
523 #define I2C_CLIENT_INSMOD \
524 I2C_CLIENT_MODULE_PARM(force, \
525 "List of adapter,address pairs to boldly assume " \
527 static unsigned short *forces[] = { \
531 I2C_CLIENT_INSMOD_COMMON
533 #define I2C_CLIENT_INSMOD_1(chip1) \
534 enum chips { any_chip, chip1 }; \
535 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
536 "boldly assume to be present"); \
537 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
538 static unsigned short *forces[] = { force, force_##chip1, NULL }; \
539 I2C_CLIENT_INSMOD_COMMON
541 #define I2C_CLIENT_INSMOD_2(chip1, chip2) \
542 enum chips { any_chip, chip1, chip2 }; \
543 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
544 "boldly assume to be present"); \
545 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
546 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
547 static unsigned short *forces[] = { force, force_##chip1, \
548 force_##chip2, NULL }; \
549 I2C_CLIENT_INSMOD_COMMON
551 #define I2C_CLIENT_INSMOD_3(chip1, chip2, chip3) \
552 enum chips { any_chip, chip1, chip2, chip3 }; \
553 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
554 "boldly assume to be present"); \
555 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
556 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
557 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
558 static unsigned short *forces[] = { force, force_##chip1, \
559 force_##chip2, force_##chip3, \
561 I2C_CLIENT_INSMOD_COMMON
563 #define I2C_CLIENT_INSMOD_4(chip1, chip2, chip3, chip4) \
564 enum chips { any_chip, chip1, chip2, chip3, chip4 }; \
565 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
566 "boldly assume to be present"); \
567 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
568 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
569 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
570 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
571 static unsigned short *forces[] = { force, force_##chip1, \
572 force_##chip2, force_##chip3, \
573 force_##chip4, NULL}; \
574 I2C_CLIENT_INSMOD_COMMON
576 #define I2C_CLIENT_INSMOD_5(chip1, chip2, chip3, chip4, chip5) \
577 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5 }; \
578 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
579 "boldly assume to be present"); \
580 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
581 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
582 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
583 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
584 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
585 static unsigned short *forces[] = { force, force_##chip1, \
586 force_##chip2, force_##chip3, \
587 force_##chip4, force_##chip5, \
589 I2C_CLIENT_INSMOD_COMMON
591 #define I2C_CLIENT_INSMOD_6(chip1, chip2, chip3, chip4, chip5, chip6) \
592 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6 }; \
593 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
594 "boldly assume to be present"); \
595 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
596 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
597 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
598 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
599 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
600 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
601 static unsigned short *forces[] = { force, force_##chip1, \
602 force_##chip2, force_##chip3, \
603 force_##chip4, force_##chip5, \
604 force_##chip6, NULL }; \
605 I2C_CLIENT_INSMOD_COMMON
607 #define I2C_CLIENT_INSMOD_7(chip1, chip2, chip3, chip4, chip5, chip6, chip7) \
608 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \
610 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
611 "boldly assume to be present"); \
612 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
613 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
614 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
615 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
616 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
617 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
618 I2C_CLIENT_MODULE_PARM_FORCE(chip7); \
619 static unsigned short *forces[] = { force, force_##chip1, \
620 force_##chip2, force_##chip3, \
621 force_##chip4, force_##chip5, \
622 force_##chip6, force_##chip7, \
624 I2C_CLIENT_INSMOD_COMMON
626 #define I2C_CLIENT_INSMOD_8(chip1, chip2, chip3, chip4, chip5, chip6, chip7, chip8) \
627 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \
629 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
630 "boldly assume to be present"); \
631 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
632 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
633 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
634 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
635 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
636 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
637 I2C_CLIENT_MODULE_PARM_FORCE(chip7); \
638 I2C_CLIENT_MODULE_PARM_FORCE(chip8); \
639 static unsigned short *forces[] = { force, force_##chip1, \
640 force_##chip2, force_##chip3, \
641 force_##chip4, force_##chip5, \
642 force_##chip6, force_##chip7, \
643 force_##chip8, NULL }; \
644 I2C_CLIENT_INSMOD_COMMON
645 #endif /* __KERNEL__ */
646 #endif /* _LINUX_I2C_H */