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i2c: Whitespace cleanups
[linux-2.6.git] / include / linux / i2c.h
blob71e50d3e492f2ccd1ed852ae959c759c67ed8830
1 /* ------------------------------------------------------------------------- */
2 /* */
3 /* i2c.h - definitions for the i2c-bus interface */
4 /* */
5 /* ------------------------------------------------------------------------- */
6 /* Copyright (C) 1995-2000 Simon G. Vogl
7
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.
12
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.
17
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 /* ------------------------------------------------------------------------- */
22
23 /* With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and
24 Frodo Looijaard <frodol@dds.nl> */
25
26 #ifndef _LINUX_I2C_H
27 #define _LINUX_I2C_H
28
29 #include <linux/types.h>
30 #ifdef __KERNEL__
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>
37
38 /* --- For i2c-isa ---------------------------------------------------- */
39
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;
44
45 /* --- General options ------------------------------------------------ */
46
47 struct i2c_msg;
48 struct i2c_algorithm;
49 struct i2c_adapter;
50 struct i2c_client;
51 struct i2c_driver;
52 union i2c_smbus_data;
53
54 /*
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.
59 */
60 extern int i2c_master_send(struct i2c_client *,const char* ,int);
61 extern int i2c_master_recv(struct i2c_client *,char* ,int);
62
63 /* Transfer num messages.
64 */
65 extern int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num);
66
67
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,
74 unsigned short flags,
75 char read_write, u8 command, int size,
76 union i2c_smbus_data * data);
77
78 /* Now follow the 'nice' access routines. These also document the calling
79 conventions of smbus_access. */
80
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,
92 const u8 *values);
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,
98 const u8 *values);
99
100 /*
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
103 * events.
104 *
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.
107 */
108
109 struct i2c_driver {
110 int id;
111 unsigned int class;
112
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
117 * i2c_attach_client.
118 */
119 int (*attach_adapter)(struct i2c_adapter *);
120 int (*detach_adapter)(struct i2c_adapter *);
121
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.
126 */
127 int (*detach_client)(struct i2c_client *);
128
129 /* a ioctl like command that can be used to perform specific functions
130 * with the device.
131 */
132 int (*command)(struct i2c_client *client,unsigned int cmd, void *arg);
133
134 struct device_driver driver;
135 struct list_head list;
136 };
137 #define to_i2c_driver(d) container_of(d, struct i2c_driver, driver)
138
139 #define I2C_NAME_SIZE 50
140
141 /*
142 * i2c_client identifies a single device (i.e. chip) that is connected to an
143 * i2c bus. The behaviour is defined by the routines of the driver. This
144 * function is mainly used for lookup & other admin. functions.
145 */
146 struct i2c_client {
147 unsigned int flags; /* div., see below */
148 unsigned short addr; /* chip address - NOTE: 7bit */
149 /* addresses are stored in the */
150 /* _LOWER_ 7 bits */
151 struct i2c_adapter *adapter; /* the adapter we sit on */
152 struct i2c_driver *driver; /* and our access routines */
153 int usage_count; /* How many accesses currently */
154 /* to the client */
155 struct device dev; /* the device structure */
156 struct list_head list;
157 char name[I2C_NAME_SIZE];
158 struct completion released;
159 };
160 #define to_i2c_client(d) container_of(d, struct i2c_client, dev)
161
162 static inline struct i2c_client *kobj_to_i2c_client(struct kobject *kobj)
163 {
164 return to_i2c_client(container_of(kobj, struct device, kobj));
165 }
166
167 static inline void *i2c_get_clientdata (struct i2c_client *dev)
168 {
169 return dev_get_drvdata (&dev->dev);
170 }
171
172 static inline void i2c_set_clientdata (struct i2c_client *dev, void *data)
173 {
174 dev_set_drvdata (&dev->dev, data);
175 }
176
177 /*
178 * The following structs are for those who like to implement new bus drivers:
179 * i2c_algorithm is the interface to a class of hardware solutions which can
180 * be addressed using the same bus algorithms - i.e. bit-banging or the PCF8584
181 * to name two of the most common.
182 */
183 struct i2c_algorithm {
184 /* If an adapter algorithm can't do I2C-level access, set master_xfer
185 to NULL. If an adapter algorithm can do SMBus access, set
186 smbus_xfer. If set to NULL, the SMBus protocol is simulated
187 using common I2C messages */
188 /* master_xfer should return the number of messages successfully
189 processed, or a negative value on error */
190 int (*master_xfer)(struct i2c_adapter *adap,struct i2c_msg *msgs,
191 int num);
192 int (*smbus_xfer) (struct i2c_adapter *adap, u16 addr,
193 unsigned short flags, char read_write,
194 u8 command, int size, union i2c_smbus_data * data);
195
196 /* --- ioctl like call to set div. parameters. */
197 int (*algo_control)(struct i2c_adapter *, unsigned int, unsigned long);
198
199 /* To determine what the adapter supports */
200 u32 (*functionality) (struct i2c_adapter *);
201 };
202
203 /*
204 * i2c_adapter is the structure used to identify a physical i2c bus along
205 * with the access algorithms necessary to access it.
206 */
207 struct i2c_adapter {
208 struct module *owner;
209 unsigned int id;
210 unsigned int class;
211 const struct i2c_algorithm *algo; /* the algorithm to access the bus */
212 void *algo_data;
213
214 /* --- administration stuff. */
215 int (*client_register)(struct i2c_client *);
216 int (*client_unregister)(struct i2c_client *);
217
218 /* data fields that are valid for all devices */
219 u8 level; /* nesting level for lockdep */
220 struct mutex bus_lock;
221 struct mutex clist_lock;
222
223 int timeout;
224 int retries;
225 struct device dev; /* the adapter device */
226 struct class_device class_dev; /* the class device */
227
228 int nr;
229 struct list_head clients;
230 struct list_head list;
231 char name[I2C_NAME_SIZE];
232 struct completion dev_released;
233 struct completion class_dev_released;
234 };
235 #define dev_to_i2c_adapter(d) container_of(d, struct i2c_adapter, dev)
236 #define class_dev_to_i2c_adapter(d) container_of(d, struct i2c_adapter, class_dev)
237
238 static inline void *i2c_get_adapdata (struct i2c_adapter *dev)
239 {
240 return dev_get_drvdata (&dev->dev);
241 }
242
243 static inline void i2c_set_adapdata (struct i2c_adapter *dev, void *data)
244 {
245 dev_set_drvdata (&dev->dev, data);
246 }
247
248 /*flags for the client struct: */
249 #define I2C_CLIENT_PEC 0x04 /* Use Packet Error Checking */
250 #define I2C_CLIENT_TEN 0x10 /* we have a ten bit chip address */
251 /* Must equal I2C_M_TEN below */
252
253 /* i2c adapter classes (bitmask) */
254 #define I2C_CLASS_HWMON (1<<0) /* lm_sensors, ... */
255 #define I2C_CLASS_TV_ANALOG (1<<1) /* bttv + friends */
256 #define I2C_CLASS_TV_DIGITAL (1<<2) /* dvb cards */
257 #define I2C_CLASS_DDC (1<<3) /* i2c-matroxfb ? */
258 #define I2C_CLASS_CAM_ANALOG (1<<4) /* camera with analog CCD */
259 #define I2C_CLASS_CAM_DIGITAL (1<<5) /* most webcams */
260 #define I2C_CLASS_SOUND (1<<6) /* sound devices */
261 #define I2C_CLASS_ALL (UINT_MAX) /* all of the above */
262
263 /* i2c_client_address_data is the struct for holding default client
264 * addresses for a driver and for the parameters supplied on the
265 * command line
266 */
267 struct i2c_client_address_data {
268 unsigned short *normal_i2c;
269 unsigned short *probe;
270 unsigned short *ignore;
271 unsigned short **forces;
272 };
273
274 /* Internal numbers to terminate lists */
275 #define I2C_CLIENT_END 0xfffeU
276
277 /* The numbers to use to set I2C bus address */
278 #define ANY_I2C_BUS 0xffff
279 #define ANY_I2C_ISA_BUS 9191
280
281
282 /* ----- functions exported by i2c.o */
283
284 /* administration...
285 */
286 extern int i2c_add_adapter(struct i2c_adapter *);
287 extern int i2c_del_adapter(struct i2c_adapter *);
288
289 extern int i2c_register_driver(struct module *, struct i2c_driver *);
290 extern int i2c_del_driver(struct i2c_driver *);
291
292 static inline int i2c_add_driver(struct i2c_driver *driver)
293 {
294 return i2c_register_driver(THIS_MODULE, driver);
295 }
296
297 extern int i2c_attach_client(struct i2c_client *);
298 extern int i2c_detach_client(struct i2c_client *);
299
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 *);
305
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);
310
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);
315
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);
319 */
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));
323
324 /* An ioctl like call to set div. parameters of the adapter.
325 */
326 extern int i2c_control(struct i2c_client *,unsigned int, unsigned long);
327
328 extern struct i2c_adapter* i2c_get_adapter(int id);
329 extern void i2c_put_adapter(struct i2c_adapter *adap);
330
331
332 /* Return the functionality mask */
333 static inline u32 i2c_get_functionality(struct i2c_adapter *adap)
334 {
335 return adap->algo->functionality(adap);
336 }
337
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)
340 {
341 return (func & i2c_get_functionality(adap)) == func;
342 }
343
344 /* Return id number for a specific adapter */
345 static inline int i2c_adapter_id(struct i2c_adapter *adap)
346 {
347 return adap->nr;
348 }
349 #endif /* __KERNEL__ */
350
351 /*
352 * I2C Message - used for pure i2c transaction, also from /dev interface
353 */
354 struct i2c_msg {
355 __u16 addr; /* slave address */
356 __u16 flags;
357 #define I2C_M_TEN 0x10 /* we have a ten bit chip address */
358 #define I2C_M_RD 0x01
359 #define I2C_M_NOSTART 0x4000
360 #define I2C_M_REV_DIR_ADDR 0x2000
361 #define I2C_M_IGNORE_NAK 0x1000
362 #define I2C_M_NO_RD_ACK 0x0800
363 __u16 len; /* msg length */
364 __u8 *buf; /* pointer to msg data */
365 };
366
367 /* To determine what functionality is present */
368
369 #define I2C_FUNC_I2C 0x00000001
370 #define I2C_FUNC_10BIT_ADDR 0x00000002
371 #define I2C_FUNC_PROTOCOL_MANGLING 0x00000004 /* I2C_M_{REV_DIR_ADDR,NOSTART,..} */
372 #define I2C_FUNC_SMBUS_HWPEC_CALC 0x00000008 /* SMBus 2.0 */
373 #define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000 /* SMBus 2.0 */
374 #define I2C_FUNC_SMBUS_QUICK 0x00010000
375 #define I2C_FUNC_SMBUS_READ_BYTE 0x00020000
376 #define I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000
377 #define I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000
378 #define I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000
379 #define I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000
380 #define I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000
381 #define I2C_FUNC_SMBUS_PROC_CALL 0x00800000
382 #define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000
383 #define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000
384 #define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000 /* I2C-like block xfer */
385 #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000 /* w/ 1-byte reg. addr. */
386 #define I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 0x10000000 /* I2C-like block xfer */
387 #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2 0x20000000 /* w/ 2-byte reg. addr. */
388
389 #define I2C_FUNC_SMBUS_BYTE (I2C_FUNC_SMBUS_READ_BYTE | \
390 I2C_FUNC_SMBUS_WRITE_BYTE)
391 #define I2C_FUNC_SMBUS_BYTE_DATA (I2C_FUNC_SMBUS_READ_BYTE_DATA | \
392 I2C_FUNC_SMBUS_WRITE_BYTE_DATA)
393 #define I2C_FUNC_SMBUS_WORD_DATA (I2C_FUNC_SMBUS_READ_WORD_DATA | \
394 I2C_FUNC_SMBUS_WRITE_WORD_DATA)
395 #define I2C_FUNC_SMBUS_BLOCK_DATA (I2C_FUNC_SMBUS_READ_BLOCK_DATA | \
396 I2C_FUNC_SMBUS_WRITE_BLOCK_DATA)
397 #define I2C_FUNC_SMBUS_I2C_BLOCK (I2C_FUNC_SMBUS_READ_I2C_BLOCK | \
398 I2C_FUNC_SMBUS_WRITE_I2C_BLOCK)
399 #define I2C_FUNC_SMBUS_I2C_BLOCK_2 (I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 | \
400 I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2)
401
402 #define I2C_FUNC_SMBUS_EMUL (I2C_FUNC_SMBUS_QUICK | \
403 I2C_FUNC_SMBUS_BYTE | \
404 I2C_FUNC_SMBUS_BYTE_DATA | \
405 I2C_FUNC_SMBUS_WORD_DATA | \
406 I2C_FUNC_SMBUS_PROC_CALL | \
407 I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | \
408 I2C_FUNC_SMBUS_I2C_BLOCK)
409
410 /*
411 * Data for SMBus Messages
412 */
413 #define I2C_SMBUS_BLOCK_MAX 32 /* As specified in SMBus standard */
414 union i2c_smbus_data {
415 __u8 byte;
416 __u16 word;
417 __u8 block[I2C_SMBUS_BLOCK_MAX + 2]; /* block[0] is used for length */
418 /* and one more for user-space compatibility */
419 };
420
421 /* smbus_access read or write markers */
422 #define I2C_SMBUS_READ 1
423 #define I2C_SMBUS_WRITE 0
424
425 /* SMBus transaction types (size parameter in the above functions)
426 Note: these no longer correspond to the (arbitrary) PIIX4 internal codes! */
427 #define I2C_SMBUS_QUICK 0
428 #define I2C_SMBUS_BYTE 1
429 #define I2C_SMBUS_BYTE_DATA 2
430 #define I2C_SMBUS_WORD_DATA 3
431 #define I2C_SMBUS_PROC_CALL 4
432 #define I2C_SMBUS_BLOCK_DATA 5
433 #define I2C_SMBUS_I2C_BLOCK_DATA 6
434 #define I2C_SMBUS_BLOCK_PROC_CALL 7 /* SMBus 2.0 */
435
436
437 /* ----- commands for the ioctl like i2c_command call:
438 * note that additional calls are defined in the algorithm and hw
439 * dependent layers - these can be listed here, or see the
440 * corresponding header files.
441 */
442 /* -> bit-adapter specific ioctls */
443 #define I2C_RETRIES 0x0701 /* number of times a device address */
444 /* should be polled when not */
445 /* acknowledging */
446 #define I2C_TIMEOUT 0x0702 /* set timeout - call with int */
447
448
449 /* this is for i2c-dev.c */
450 #define I2C_SLAVE 0x0703 /* Change slave address */
451 /* Attn.: Slave address is 7 or 10 bits */
452 #define I2C_SLAVE_FORCE 0x0706 /* Change slave address */
453 /* Attn.: Slave address is 7 or 10 bits */
454 /* This changes the address, even if it */
455 /* is already taken! */
456 #define I2C_TENBIT 0x0704 /* 0 for 7 bit addrs, != 0 for 10 bit */
457
458 #define I2C_FUNCS 0x0705 /* Get the adapter functionality */
459 #define I2C_RDWR 0x0707 /* Combined R/W transfer (one stop only)*/
460 #define I2C_PEC 0x0708 /* != 0 for SMBus PEC */
461
462 #define I2C_SMBUS 0x0720 /* SMBus-level access */
463
464 /* ----- I2C-DEV: char device interface stuff ------------------------- */
465 #ifdef __KERNEL__
466
467 #define I2C_MAJOR 89 /* Device major number */
468
469 /* These defines are used for probing i2c client addresses */
470 /* The length of the option lists */
471 #define I2C_CLIENT_MAX_OPTS 48
472
473 /* Default fill of many variables */
474 #define I2C_CLIENT_DEFAULTS {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, \
488 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
489 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END}
490
491 /* I2C_CLIENT_MODULE_PARM creates a module parameter, and puts it in the
492 module header */
493
494 #define I2C_CLIENT_MODULE_PARM(var,desc) \
495 static unsigned short var[I2C_CLIENT_MAX_OPTS] = I2C_CLIENT_DEFAULTS; \
496 static unsigned int var##_num; \
497 module_param_array(var, short, &var##_num, 0); \
498 MODULE_PARM_DESC(var,desc)
499
500 #define I2C_CLIENT_MODULE_PARM_FORCE(name) \
501 I2C_CLIENT_MODULE_PARM(force_##name, \
502 "List of adapter,address pairs which are " \
503 "unquestionably assumed to contain a `" \
504 # name "' chip")
505
506
507 #define I2C_CLIENT_INSMOD_COMMON \
508 I2C_CLIENT_MODULE_PARM(probe, "List of adapter,address pairs to scan " \
509 "additionally"); \
510 I2C_CLIENT_MODULE_PARM(ignore, "List of adapter,address pairs not to " \
511 "scan"); \
512 static struct i2c_client_address_data addr_data = { \
513 .normal_i2c = normal_i2c, \
514 .probe = probe, \
515 .ignore = ignore, \
516 .forces = forces, \
517 }
518
519 /* These are the ones you want to use in your own drivers. Pick the one
520 which matches the number of devices the driver differenciates between. */
521 #define I2C_CLIENT_INSMOD \
522 I2C_CLIENT_MODULE_PARM(force, \
523 "List of adapter,address pairs to boldly assume " \
524 "to be present"); \
525 static unsigned short *forces[] = { \
526 force, \
527 NULL \
528 }; \
529 I2C_CLIENT_INSMOD_COMMON
530
531 #define I2C_CLIENT_INSMOD_1(chip1) \
532 enum chips { any_chip, chip1 }; \
533 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
534 "boldly assume to be present"); \
535 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
536 static unsigned short *forces[] = { force, force_##chip1, NULL }; \
537 I2C_CLIENT_INSMOD_COMMON
538
539 #define I2C_CLIENT_INSMOD_2(chip1, chip2) \
540 enum chips { any_chip, chip1, chip2 }; \
541 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
542 "boldly assume to be present"); \
543 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
544 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
545 static unsigned short *forces[] = { force, force_##chip1, \
546 force_##chip2, NULL }; \
547 I2C_CLIENT_INSMOD_COMMON
548
549 #define I2C_CLIENT_INSMOD_3(chip1, chip2, chip3) \
550 enum chips { any_chip, chip1, chip2, chip3 }; \
551 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
552 "boldly assume to be present"); \
553 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
554 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
555 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
556 static unsigned short *forces[] = { force, force_##chip1, \
557 force_##chip2, force_##chip3, \
558 NULL }; \
559 I2C_CLIENT_INSMOD_COMMON
560
561 #define I2C_CLIENT_INSMOD_4(chip1, chip2, chip3, chip4) \
562 enum chips { any_chip, chip1, chip2, chip3, chip4 }; \
563 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
564 "boldly assume to be present"); \
565 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
566 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
567 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
568 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
569 static unsigned short *forces[] = { force, force_##chip1, \
570 force_##chip2, force_##chip3, \
571 force_##chip4, NULL}; \
572 I2C_CLIENT_INSMOD_COMMON
573
574 #define I2C_CLIENT_INSMOD_5(chip1, chip2, chip3, chip4, chip5) \
575 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5 }; \
576 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
577 "boldly assume to be present"); \
578 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
579 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
580 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
581 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
582 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
583 static unsigned short *forces[] = { force, force_##chip1, \
584 force_##chip2, force_##chip3, \
585 force_##chip4, force_##chip5, \
586 NULL }; \
587 I2C_CLIENT_INSMOD_COMMON
588
589 #define I2C_CLIENT_INSMOD_6(chip1, chip2, chip3, chip4, chip5, chip6) \
590 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6 }; \
591 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
592 "boldly assume to be present"); \
593 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
594 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
595 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
596 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
597 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
598 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
599 static unsigned short *forces[] = { force, force_##chip1, \
600 force_##chip2, force_##chip3, \
601 force_##chip4, force_##chip5, \
602 force_##chip6, NULL }; \
603 I2C_CLIENT_INSMOD_COMMON
604
605 #define I2C_CLIENT_INSMOD_7(chip1, chip2, chip3, chip4, chip5, chip6, chip7) \
606 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \
607 chip7 }; \
608 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
609 "boldly assume to be present"); \
610 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
611 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
612 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
613 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
614 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
615 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
616 I2C_CLIENT_MODULE_PARM_FORCE(chip7); \
617 static unsigned short *forces[] = { force, force_##chip1, \
618 force_##chip2, force_##chip3, \
619 force_##chip4, force_##chip5, \
620 force_##chip6, force_##chip7, \
621 NULL }; \
622 I2C_CLIENT_INSMOD_COMMON
623
624 #define I2C_CLIENT_INSMOD_8(chip1, chip2, chip3, chip4, chip5, chip6, chip7, chip8) \
625 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \
626 chip7, chip8 }; \
627 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \
628 "boldly assume to be present"); \
629 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
630 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
631 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
632 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
633 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
634 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
635 I2C_CLIENT_MODULE_PARM_FORCE(chip7); \
636 I2C_CLIENT_MODULE_PARM_FORCE(chip8); \
637 static unsigned short *forces[] = { force, force_##chip1, \
638 force_##chip2, force_##chip3, \
639 force_##chip4, force_##chip5, \
640 force_##chip6, force_##chip7, \
641 force_##chip8, NULL }; \
642 I2C_CLIENT_INSMOD_COMMON
643 #endif /* __KERNEL__ */
644 #endif /* _LINUX_I2C_H */
Linus' kernel tree