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 <[email protected]> and 24 Frodo Looijaard <[email protected]> */ 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 /* 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 *); 133 134 /* a ioctl like command that can be used to perform specific functions 135 * with the device. 136 */ 137 int (*command)(struct i2c_client *client,unsigned int cmd, void *arg); 138 139 struct device_driver driver; 140 struct list_head list; 141 }; 142 #define to_i2c_driver(d) container_of(d, struct i2c_driver, driver) 143 144 #define I2C_NAME_SIZE 50 145 146 /* 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. 150 */ 151 struct i2c_client { 152 unsigned int flags; /* div., see below */ 153 unsigned short addr; /* chip address - NOTE: 7bit */ 154 /* addresses are stored in the */ 155 /* _LOWER_ 7 bits */ 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 */ 159 /* to the client */ 160 struct device dev; /* the device structure */ 161 struct list_head list; 162 char name[I2C_NAME_SIZE]; 163 struct completion released; 164 }; 165 #define to_i2c_client(d) container_of(d, struct i2c_client, dev) 166 167 static inline struct i2c_client *kobj_to_i2c_client(struct kobject *kobj) 168 { 169 return to_i2c_client(container_of(kobj, struct device, kobj)); 170 } 171 172 static inline void *i2c_get_clientdata (struct i2c_client *dev) 173 { 174 return dev_get_drvdata (&dev->dev); 175 } 176 177 static inline void i2c_set_clientdata (struct i2c_client *dev, void *data) 178 { 179 dev_set_drvdata (&dev->dev, data); 180 } 181 182 /* 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. 187 */ 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, 196 int num); 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); 200 201 /* --- ioctl like call to set div. parameters. */ 202 int (*algo_control)(struct i2c_adapter *, unsigned int, unsigned long); 203 204 /* To determine what the adapter supports */ 205 u32 (*functionality) (struct i2c_adapter *); 206 }; 207 208 /* 209 * i2c_adapter is the structure used to identify a physical i2c bus along 210 * with the access algorithms necessary to access it. 211 */ 212 struct i2c_adapter { 213 struct module *owner; 214 unsigned int id; 215 unsigned int class; 216 const struct i2c_algorithm *algo; /* the algorithm to access the bus */ 217 void *algo_data; 218 219 /* --- administration stuff. */ 220 int (*client_register)(struct i2c_client *); 221 int (*client_unregister)(struct i2c_client *); 222 223 /* 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; 227 228 int timeout; 229 int retries; 230 struct device dev; /* the adapter device */ 231 struct class_device class_dev; /* the class device */ 232 233 int nr; 234 struct list_head clients; 235 struct list_head list; 236 char name[I2C_NAME_SIZE]; 237 struct completion dev_released; 238 struct completion class_dev_released; 239 }; 240 #define dev_to_i2c_adapter(d) container_of(d, struct i2c_adapter, dev) 241 #define class_dev_to_i2c_adapter(d) container_of(d, struct i2c_adapter, class_dev) 242 243 static inline void *i2c_get_adapdata (struct i2c_adapter *dev) 244 { 245 return dev_get_drvdata (&dev->dev); 246 } 247 248 static inline void i2c_set_adapdata (struct i2c_adapter *dev, void *data) 249 { 250 dev_set_drvdata (&dev->dev, data); 251 } 252 253 /*flags for the client struct: */ 254 #define I2C_CLIENT_PEC 0x04 /* Use Packet Error Checking */ 255 #define I2C_CLIENT_TEN 0x10 /* we have a ten bit chip address */ 256 /* Must equal I2C_M_TEN below */ 257 258 /* i2c adapter classes (bitmask) */ 259 #define I2C_CLASS_HWMON (1<<0) /* lm_sensors, ... */ 260 #define I2C_CLASS_TV_ANALOG (1<<1) /* bttv + friends */ 261 #define I2C_CLASS_TV_DIGITAL (1<<2) /* dvb cards */ 262 #define I2C_CLASS_DDC (1<<3) /* i2c-matroxfb ? */ 263 #define I2C_CLASS_CAM_ANALOG (1<<4) /* camera with analog CCD */ 264 #define I2C_CLASS_CAM_DIGITAL (1<<5) /* most webcams */ 265 #define I2C_CLASS_SOUND (1<<6) /* sound devices */ 266 #define I2C_CLASS_ALL (UINT_MAX) /* all of the above */ 267 268 /* i2c_client_address_data is the struct for holding default client 269 * addresses for a driver and for the parameters supplied on the 270 * command line 271 */ 272 struct i2c_client_address_data { 273 unsigned short *normal_i2c; 274 unsigned short *probe; 275 unsigned short *ignore; 276 unsigned short **forces; 277 }; 278 279 /* Internal numbers to terminate lists */ 280 #define I2C_CLIENT_END 0xfffeU 281 282 /* The numbers to use to set I2C bus address */ 283 #define ANY_I2C_BUS 0xffff 284 #define ANY_I2C_ISA_BUS 9191 285 286 287 /* ----- functions exported by i2c.o */ 288 289 /* administration... 290 */ 291 extern int i2c_add_adapter(struct i2c_adapter *); 292 extern int i2c_del_adapter(struct i2c_adapter *); 293 294 extern int i2c_register_driver(struct module *, struct i2c_driver *); 295 extern int i2c_del_driver(struct i2c_driver *); 296 297 static inline int i2c_add_driver(struct i2c_driver *driver) 298 { 299 return i2c_register_driver(THIS_MODULE, driver); 300 } 301 302 extern int i2c_attach_client(struct i2c_client *); 303 extern int i2c_detach_client(struct i2c_client *); 304 305 /* Should be used to make sure that client-struct is valid and that it 306 is okay to access the i2c-client. 307 returns -ENODEV if client has gone in the meantime */ 308 extern int i2c_use_client(struct i2c_client *); 309 extern int i2c_release_client(struct i2c_client *); 310 311 /* call the i2c_client->command() of all attached clients with 312 * the given arguments */ 313 extern void i2c_clients_command(struct i2c_adapter *adap, 314 unsigned int cmd, void *arg); 315 316 /* returns -EBUSY if address has been taken, 0 if not. Note that the only 317 other place at which this is called is within i2c_attach_client; so 318 you can cheat by simply not registering. Not recommended, of course! */ 319 extern int i2c_check_addr (struct i2c_adapter *adapter, int addr); 320 321 /* Detect function. It iterates over all possible addresses itself. 322 * It will only call found_proc if some client is connected at the 323 * specific address (unless a 'force' matched); 324 */ 325 extern int i2c_probe(struct i2c_adapter *adapter, 326 struct i2c_client_address_data *address_data, 327 int (*found_proc) (struct i2c_adapter *, int, int)); 328 329 /* An ioctl like call to set div. parameters of the adapter. 330 */ 331 extern int i2c_control(struct i2c_client *,unsigned int, unsigned long); 332 333 extern struct i2c_adapter* i2c_get_adapter(int id); 334 extern void i2c_put_adapter(struct i2c_adapter *adap); 335 336 337 /* Return the functionality mask */ 338 static inline u32 i2c_get_functionality(struct i2c_adapter *adap) 339 { 340 return adap->algo->functionality(adap); 341 } 342 343 /* Return 1 if adapter supports everything we need, 0 if not. */ 344 static inline int i2c_check_functionality(struct i2c_adapter *adap, u32 func) 345 { 346 return (func & i2c_get_functionality(adap)) == func; 347 } 348 349 /* Return id number for a specific adapter */ 350 static inline int i2c_adapter_id(struct i2c_adapter *adap) 351 { 352 return adap->nr; 353 } 354 #endif /* __KERNEL__ */ 355 356 /* 357 * I2C Message - used for pure i2c transaction, also from /dev interface 358 */ 359 struct i2c_msg { 360 __u16 addr; /* slave address */ 361 __u16 flags; 362 #define I2C_M_TEN 0x10 /* we have a ten bit chip address */ 363 #define I2C_M_RD 0x01 364 #define I2C_M_NOSTART 0x4000 365 #define I2C_M_REV_DIR_ADDR 0x2000 366 #define I2C_M_IGNORE_NAK 0x1000 367 #define I2C_M_NO_RD_ACK 0x0800 368 __u16 len; /* msg length */ 369 __u8 *buf; /* pointer to msg data */ 370 }; 371 372 /* To determine what functionality is present */ 373 374 #define I2C_FUNC_I2C 0x00000001 375 #define I2C_FUNC_10BIT_ADDR 0x00000002 376 #define I2C_FUNC_PROTOCOL_MANGLING 0x00000004 /* I2C_M_{REV_DIR_ADDR,NOSTART,..} */ 377 #define I2C_FUNC_SMBUS_HWPEC_CALC 0x00000008 /* SMBus 2.0 */ 378 #define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000 /* SMBus 2.0 */ 379 #define I2C_FUNC_SMBUS_QUICK 0x00010000 380 #define I2C_FUNC_SMBUS_READ_BYTE 0x00020000 381 #define I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000 382 #define I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000 383 #define I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000 384 #define I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000 385 #define I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000 386 #define I2C_FUNC_SMBUS_PROC_CALL 0x00800000 387 #define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000 388 #define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000 389 #define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000 /* I2C-like block xfer */ 390 #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000 /* w/ 1-byte reg. addr. */ 391 #define I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 0x10000000 /* I2C-like block xfer */ 392 #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2 0x20000000 /* w/ 2-byte reg. addr. */ 393 394 #define I2C_FUNC_SMBUS_BYTE (I2C_FUNC_SMBUS_READ_BYTE | \ 395 I2C_FUNC_SMBUS_WRITE_BYTE) 396 #define I2C_FUNC_SMBUS_BYTE_DATA (I2C_FUNC_SMBUS_READ_BYTE_DATA | \ 397 I2C_FUNC_SMBUS_WRITE_BYTE_DATA) 398 #define I2C_FUNC_SMBUS_WORD_DATA (I2C_FUNC_SMBUS_READ_WORD_DATA | \ 399 I2C_FUNC_SMBUS_WRITE_WORD_DATA) 400 #define I2C_FUNC_SMBUS_BLOCK_DATA (I2C_FUNC_SMBUS_READ_BLOCK_DATA | \ 401 I2C_FUNC_SMBUS_WRITE_BLOCK_DATA) 402 #define I2C_FUNC_SMBUS_I2C_BLOCK (I2C_FUNC_SMBUS_READ_I2C_BLOCK | \ 403 I2C_FUNC_SMBUS_WRITE_I2C_BLOCK) 404 #define I2C_FUNC_SMBUS_I2C_BLOCK_2 (I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 | \ 405 I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2) 406 407 #define I2C_FUNC_SMBUS_EMUL (I2C_FUNC_SMBUS_QUICK | \ 408 I2C_FUNC_SMBUS_BYTE | \ 409 I2C_FUNC_SMBUS_BYTE_DATA | \ 410 I2C_FUNC_SMBUS_WORD_DATA | \ 411 I2C_FUNC_SMBUS_PROC_CALL | \ 412 I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | \ 413 I2C_FUNC_SMBUS_I2C_BLOCK) 414 415 /* 416 * Data for SMBus Messages 417 */ 418 #define I2C_SMBUS_BLOCK_MAX 32 /* As specified in SMBus standard */ 419 union i2c_smbus_data { 420 __u8 byte; 421 __u16 word; 422 __u8 block[I2C_SMBUS_BLOCK_MAX + 2]; /* block[0] is used for length */ 423 /* and one more for user-space compatibility */ 424 }; 425 426 /* smbus_access read or write markers */ 427 #define I2C_SMBUS_READ 1 428 #define I2C_SMBUS_WRITE 0 429 430 /* SMBus transaction types (size parameter in the above functions) 431 Note: these no longer correspond to the (arbitrary) PIIX4 internal codes! */ 432 #define I2C_SMBUS_QUICK 0 433 #define I2C_SMBUS_BYTE 1 434 #define I2C_SMBUS_BYTE_DATA 2 435 #define I2C_SMBUS_WORD_DATA 3 436 #define I2C_SMBUS_PROC_CALL 4 437 #define I2C_SMBUS_BLOCK_DATA 5 438 #define I2C_SMBUS_I2C_BLOCK_DATA 6 439 #define I2C_SMBUS_BLOCK_PROC_CALL 7 /* SMBus 2.0 */ 440 441 442 /* ----- commands for the ioctl like i2c_command call: 443 * note that additional calls are defined in the algorithm and hw 444 * dependent layers - these can be listed here, or see the 445 * corresponding header files. 446 */ 447 /* -> bit-adapter specific ioctls */ 448 #define I2C_RETRIES 0x0701 /* number of times a device address */ 449 /* should be polled when not */ 450 /* acknowledging */ 451 #define I2C_TIMEOUT 0x0702 /* set timeout - call with int */ 452 453 454 /* this is for i2c-dev.c */ 455 #define I2C_SLAVE 0x0703 /* Change slave address */ 456 /* Attn.: Slave address is 7 or 10 bits */ 457 #define I2C_SLAVE_FORCE 0x0706 /* Change slave address */ 458 /* Attn.: Slave address is 7 or 10 bits */ 459 /* This changes the address, even if it */ 460 /* is already taken! */ 461 #define I2C_TENBIT 0x0704 /* 0 for 7 bit addrs, != 0 for 10 bit */ 462 463 #define I2C_FUNCS 0x0705 /* Get the adapter functionality */ 464 #define I2C_RDWR 0x0707 /* Combined R/W transfer (one stop only)*/ 465 #define I2C_PEC 0x0708 /* != 0 for SMBus PEC */ 466 467 #define I2C_SMBUS 0x0720 /* SMBus-level access */ 468 469 /* ----- I2C-DEV: char device interface stuff ------------------------- */ 470 #ifdef __KERNEL__ 471 472 #define I2C_MAJOR 89 /* Device major number */ 473 474 /* These defines are used for probing i2c client addresses */ 475 /* The length of the option lists */ 476 #define I2C_CLIENT_MAX_OPTS 48 477 478 /* Default fill of many variables */ 479 #define I2C_CLIENT_DEFAULTS {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, \ 492 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \ 493 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \ 494 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END} 495 496 /* I2C_CLIENT_MODULE_PARM creates a module parameter, and puts it in the 497 module header */ 498 499 #define I2C_CLIENT_MODULE_PARM(var,desc) \ 500 static unsigned short var[I2C_CLIENT_MAX_OPTS] = I2C_CLIENT_DEFAULTS; \ 501 static unsigned int var##_num; \ 502 module_param_array(var, short, &var##_num, 0); \ 503 MODULE_PARM_DESC(var,desc) 504 505 #define I2C_CLIENT_MODULE_PARM_FORCE(name) \ 506 I2C_CLIENT_MODULE_PARM(force_##name, \ 507 "List of adapter,address pairs which are " \ 508 "unquestionably assumed to contain a `" \ 509 # name "' chip") 510 511 512 #define I2C_CLIENT_INSMOD_COMMON \ 513 I2C_CLIENT_MODULE_PARM(probe, "List of adapter,address pairs to scan " \ 514 "additionally"); \ 515 I2C_CLIENT_MODULE_PARM(ignore, "List of adapter,address pairs not to " \ 516 "scan"); \ 517 static struct i2c_client_address_data addr_data = { \ 518 .normal_i2c = normal_i2c, \ 519 .probe = probe, \ 520 .ignore = ignore, \ 521 .forces = forces, \ 522 } 523 524 /* These are the ones you want to use in your own drivers. Pick the one 525 which matches the number of devices the driver differenciates between. */ 526 #define I2C_CLIENT_INSMOD \ 527 I2C_CLIENT_MODULE_PARM(force, \ 528 "List of adapter,address pairs to boldly assume " \ 529 "to be present"); \ 530 static unsigned short *forces[] = { \ 531 force, \ 532 NULL \ 533 }; \ 534 I2C_CLIENT_INSMOD_COMMON 535 536 #define I2C_CLIENT_INSMOD_1(chip1) \ 537 enum chips { any_chip, chip1 }; \ 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 static unsigned short *forces[] = { force, force_##chip1, NULL }; \ 542 I2C_CLIENT_INSMOD_COMMON 543 544 #define I2C_CLIENT_INSMOD_2(chip1, chip2) \ 545 enum chips { any_chip, chip1, chip2 }; \ 546 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \ 547 "boldly assume to be present"); \ 548 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \ 549 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \ 550 static unsigned short *forces[] = { force, force_##chip1, \ 551 force_##chip2, NULL }; \ 552 I2C_CLIENT_INSMOD_COMMON 553 554 #define I2C_CLIENT_INSMOD_3(chip1, chip2, chip3) \ 555 enum chips { any_chip, chip1, chip2, chip3 }; \ 556 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \ 557 "boldly assume to be present"); \ 558 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \ 559 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \ 560 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \ 561 static unsigned short *forces[] = { force, force_##chip1, \ 562 force_##chip2, force_##chip3, \ 563 NULL }; \ 564 I2C_CLIENT_INSMOD_COMMON 565 566 #define I2C_CLIENT_INSMOD_4(chip1, chip2, chip3, chip4) \ 567 enum chips { any_chip, chip1, chip2, chip3, chip4 }; \ 568 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \ 569 "boldly assume to be present"); \ 570 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \ 571 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \ 572 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \ 573 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \ 574 static unsigned short *forces[] = { force, force_##chip1, \ 575 force_##chip2, force_##chip3, \ 576 force_##chip4, NULL}; \ 577 I2C_CLIENT_INSMOD_COMMON 578 579 #define I2C_CLIENT_INSMOD_5(chip1, chip2, chip3, chip4, chip5) \ 580 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5 }; \ 581 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \ 582 "boldly assume to be present"); \ 583 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \ 584 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \ 585 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \ 586 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \ 587 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \ 588 static unsigned short *forces[] = { force, force_##chip1, \ 589 force_##chip2, force_##chip3, \ 590 force_##chip4, force_##chip5, \ 591 NULL }; \ 592 I2C_CLIENT_INSMOD_COMMON 593 594 #define I2C_CLIENT_INSMOD_6(chip1, chip2, chip3, chip4, chip5, chip6) \ 595 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6 }; \ 596 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \ 597 "boldly assume to be present"); \ 598 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \ 599 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \ 600 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \ 601 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \ 602 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \ 603 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \ 604 static unsigned short *forces[] = { force, force_##chip1, \ 605 force_##chip2, force_##chip3, \ 606 force_##chip4, force_##chip5, \ 607 force_##chip6, NULL }; \ 608 I2C_CLIENT_INSMOD_COMMON 609 610 #define I2C_CLIENT_INSMOD_7(chip1, chip2, chip3, chip4, chip5, chip6, chip7) \ 611 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \ 612 chip7 }; \ 613 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \ 614 "boldly assume to be present"); \ 615 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \ 616 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \ 617 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \ 618 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \ 619 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \ 620 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \ 621 I2C_CLIENT_MODULE_PARM_FORCE(chip7); \ 622 static unsigned short *forces[] = { force, force_##chip1, \ 623 force_##chip2, force_##chip3, \ 624 force_##chip4, force_##chip5, \ 625 force_##chip6, force_##chip7, \ 626 NULL }; \ 627 I2C_CLIENT_INSMOD_COMMON 628 629 #define I2C_CLIENT_INSMOD_8(chip1, chip2, chip3, chip4, chip5, chip6, chip7, chip8) \ 630 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \ 631 chip7, chip8 }; \ 632 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \ 633 "boldly assume to be present"); \ 634 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \ 635 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \ 636 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \ 637 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \ 638 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \ 639 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \ 640 I2C_CLIENT_MODULE_PARM_FORCE(chip7); \ 641 I2C_CLIENT_MODULE_PARM_FORCE(chip8); \ 642 static unsigned short *forces[] = { force, force_##chip1, \ 643 force_##chip2, force_##chip3, \ 644 force_##chip4, force_##chip5, \ 645 force_##chip6, force_##chip7, \ 646 force_##chip8, NULL }; \ 647 I2C_CLIENT_INSMOD_COMMON 648 #endif /* __KERNEL__ */ 649 #endif /* _LINUX_I2C_H */ 650