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 Ky�sti M�lkki <[email protected]> and 24 Frodo Looijaard <[email protected]> */ 25 26 #ifndef _LINUX_I2C_H 27 #define _LINUX_I2C_H 28 29 #include <linux/module.h> 30 #include <linux/types.h> 31 #include <linux/i2c-id.h> 32 #include <linux/mod_devicetable.h> 33 #include <linux/device.h> /* for struct device */ 34 #include <linux/sched.h> /* for completion */ 35 #include <linux/mutex.h> 36 37 /* --- For i2c-isa ---------------------------------------------------- */ 38 39 extern void i2c_adapter_dev_release(struct device *dev); 40 extern struct device_driver i2c_adapter_driver; 41 extern struct class i2c_adapter_class; 42 extern struct bus_type i2c_bus_type; 43 44 /* --- General options ------------------------------------------------ */ 45 46 struct i2c_msg; 47 struct i2c_algorithm; 48 struct i2c_adapter; 49 struct i2c_client; 50 struct i2c_driver; 51 union i2c_smbus_data; 52 53 /* 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. 58 */ 59 extern int i2c_master_send(struct i2c_client *,const char* ,int); 60 extern int i2c_master_recv(struct i2c_client *,char* ,int); 61 62 /* Transfer num messages. 63 */ 64 extern int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num); 65 66 /* 67 * Some adapter types (i.e. PCF 8584 based ones) may support slave behaviuor. 68 * This is not tested/implemented yet and will change in the future. 69 */ 70 extern int i2c_slave_send(struct i2c_client *,char*,int); 71 extern int i2c_slave_recv(struct i2c_client *,char*,int); 72 73 74 75 /* This is the very generalized SMBus access routine. You probably do not 76 want to use this, though; one of the functions below may be much easier, 77 and probably just as fast. 78 Note that we use i2c_adapter here, because you do not need a specific 79 smbus adapter to call this function. */ 80 extern s32 i2c_smbus_xfer (struct i2c_adapter * adapter, u16 addr, 81 unsigned short flags, 82 char read_write, u8 command, int size, 83 union i2c_smbus_data * data); 84 85 /* Now follow the 'nice' access routines. These also document the calling 86 conventions of smbus_access. */ 87 88 extern s32 i2c_smbus_write_quick(struct i2c_client * client, u8 value); 89 extern s32 i2c_smbus_read_byte(struct i2c_client * client); 90 extern s32 i2c_smbus_write_byte(struct i2c_client * client, u8 value); 91 extern s32 i2c_smbus_read_byte_data(struct i2c_client * client, u8 command); 92 extern s32 i2c_smbus_write_byte_data(struct i2c_client * client, 93 u8 command, u8 value); 94 extern s32 i2c_smbus_read_word_data(struct i2c_client * client, u8 command); 95 extern s32 i2c_smbus_write_word_data(struct i2c_client * client, 96 u8 command, u16 value); 97 extern s32 i2c_smbus_write_block_data(struct i2c_client * client, 98 u8 command, u8 length, 99 u8 *values); 100 /* Returns the number of read bytes */ 101 extern s32 i2c_smbus_read_i2c_block_data(struct i2c_client * client, 102 u8 command, u8 *values); 103 extern s32 i2c_smbus_write_i2c_block_data(struct i2c_client * client, 104 u8 command, u8 length, 105 u8 *values); 106 107 /* 108 * A driver is capable of handling one or more physical devices present on 109 * I2C adapters. This information is used to inform the driver of adapter 110 * events. 111 * 112 * The driver.owner field should be set to the module owner of this driver. 113 * The driver.name field should be set to the name of this driver. 114 */ 115 116 struct i2c_driver { 117 int id; 118 unsigned int class; 119 120 /* Notifies the driver that a new bus has appeared. This routine 121 * can be used by the driver to test if the bus meets its conditions 122 * & seek for the presence of the chip(s) it supports. If found, it 123 * registers the client(s) that are on the bus to the i2c admin. via 124 * i2c_attach_client. 125 */ 126 int (*attach_adapter)(struct i2c_adapter *); 127 int (*detach_adapter)(struct i2c_adapter *); 128 129 /* tells the driver that a client is about to be deleted & gives it 130 * the chance to remove its private data. Also, if the client struct 131 * has been dynamically allocated by the driver in the function above, 132 * it must be freed here. 133 */ 134 int (*detach_client)(struct i2c_client *); 135 136 /* a ioctl like command that can be used to perform specific functions 137 * with the device. 138 */ 139 int (*command)(struct i2c_client *client,unsigned int cmd, void *arg); 140 141 struct device_driver driver; 142 struct list_head list; 143 }; 144 #define to_i2c_driver(d) container_of(d, struct i2c_driver, driver) 145 146 #define I2C_NAME_SIZE 50 147 148 /* 149 * i2c_client identifies a single device (i.e. chip) that is connected to an 150 * i2c bus. The behaviour is defined by the routines of the driver. This 151 * function is mainly used for lookup & other admin. functions. 152 */ 153 struct i2c_client { 154 unsigned int flags; /* div., see below */ 155 unsigned short addr; /* chip address - NOTE: 7bit */ 156 /* addresses are stored in the */ 157 /* _LOWER_ 7 bits */ 158 struct i2c_adapter *adapter; /* the adapter we sit on */ 159 struct i2c_driver *driver; /* and our access routines */ 160 int usage_count; /* How many accesses currently */ 161 /* to the client */ 162 struct device dev; /* the device structure */ 163 struct list_head list; 164 char name[I2C_NAME_SIZE]; 165 struct completion released; 166 }; 167 #define to_i2c_client(d) container_of(d, struct i2c_client, dev) 168 169 static inline struct i2c_client *kobj_to_i2c_client(struct kobject *kobj) 170 { 171 return to_i2c_client(container_of(kobj, struct device, kobj)); 172 } 173 174 static inline void *i2c_get_clientdata (struct i2c_client *dev) 175 { 176 return dev_get_drvdata (&dev->dev); 177 } 178 179 static inline void i2c_set_clientdata (struct i2c_client *dev, void *data) 180 { 181 dev_set_drvdata (&dev->dev, data); 182 } 183 184 /* 185 * The following structs are for those who like to implement new bus drivers: 186 * i2c_algorithm is the interface to a class of hardware solutions which can 187 * be addressed using the same bus algorithms - i.e. bit-banging or the PCF8584 188 * to name two of the most common. 189 */ 190 struct i2c_algorithm { 191 /* If an adapter algorithm can't do I2C-level access, set master_xfer 192 to NULL. If an adapter algorithm can do SMBus access, set 193 smbus_xfer. If set to NULL, the SMBus protocol is simulated 194 using common I2C messages */ 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 /* --- these optional/future use for some adapter types.*/ 202 int (*slave_send)(struct i2c_adapter *,char*,int); 203 int (*slave_recv)(struct i2c_adapter *,char*,int); 204 205 /* --- ioctl like call to set div. parameters. */ 206 int (*algo_control)(struct i2c_adapter *, unsigned int, unsigned long); 207 208 /* To determine what the adapter supports */ 209 u32 (*functionality) (struct i2c_adapter *); 210 }; 211 212 /* 213 * i2c_adapter is the structure used to identify a physical i2c bus along 214 * with the access algorithms necessary to access it. 215 */ 216 struct i2c_adapter { 217 struct module *owner; 218 unsigned int id; 219 unsigned int class; 220 struct i2c_algorithm *algo;/* the algorithm to access the bus */ 221 void *algo_data; 222 223 /* --- administration stuff. */ 224 int (*client_register)(struct i2c_client *); 225 int (*client_unregister)(struct i2c_client *); 226 227 /* data fields that are valid for all devices */ 228 struct mutex bus_lock; 229 struct mutex clist_lock; 230 231 int timeout; 232 int retries; 233 struct device dev; /* the adapter device */ 234 struct class_device class_dev; /* the class device */ 235 236 int nr; 237 struct list_head clients; 238 struct list_head list; 239 char name[I2C_NAME_SIZE]; 240 struct completion dev_released; 241 struct completion class_dev_released; 242 }; 243 #define dev_to_i2c_adapter(d) container_of(d, struct i2c_adapter, dev) 244 #define class_dev_to_i2c_adapter(d) container_of(d, struct i2c_adapter, class_dev) 245 246 static inline void *i2c_get_adapdata (struct i2c_adapter *dev) 247 { 248 return dev_get_drvdata (&dev->dev); 249 } 250 251 static inline void i2c_set_adapdata (struct i2c_adapter *dev, void *data) 252 { 253 dev_set_drvdata (&dev->dev, data); 254 } 255 256 /*flags for the client struct: */ 257 #define I2C_CLIENT_PEC 0x04 /* Use Packet Error Checking */ 258 #define I2C_CLIENT_TEN 0x10 /* we have a ten bit chip address */ 259 /* Must equal I2C_M_TEN below */ 260 261 /* i2c adapter classes (bitmask) */ 262 #define I2C_CLASS_HWMON (1<<0) /* lm_sensors, ... */ 263 #define I2C_CLASS_TV_ANALOG (1<<1) /* bttv + friends */ 264 #define I2C_CLASS_TV_DIGITAL (1<<2) /* dvb cards */ 265 #define I2C_CLASS_DDC (1<<3) /* i2c-matroxfb ? */ 266 #define I2C_CLASS_CAM_ANALOG (1<<4) /* camera with analog CCD */ 267 #define I2C_CLASS_CAM_DIGITAL (1<<5) /* most webcams */ 268 #define I2C_CLASS_SOUND (1<<6) /* sound devices */ 269 #define I2C_CLASS_ALL (UINT_MAX) /* all of the above */ 270 271 /* i2c_client_address_data is the struct for holding default client 272 * addresses for a driver and for the parameters supplied on the 273 * command line 274 */ 275 struct i2c_client_address_data { 276 unsigned short *normal_i2c; 277 unsigned short *probe; 278 unsigned short *ignore; 279 unsigned short **forces; 280 }; 281 282 /* Internal numbers to terminate lists */ 283 #define I2C_CLIENT_END 0xfffeU 284 285 /* The numbers to use to set I2C bus address */ 286 #define ANY_I2C_BUS 0xffff 287 #define ANY_I2C_ISA_BUS 9191 288 289 290 /* ----- functions exported by i2c.o */ 291 292 /* administration... 293 */ 294 extern int i2c_add_adapter(struct i2c_adapter *); 295 extern int i2c_del_adapter(struct i2c_adapter *); 296 297 extern int i2c_register_driver(struct module *, struct i2c_driver *); 298 extern int i2c_del_driver(struct i2c_driver *); 299 300 static inline int i2c_add_driver(struct i2c_driver *driver) 301 { 302 return i2c_register_driver(THIS_MODULE, driver); 303 } 304 305 extern int i2c_attach_client(struct i2c_client *); 306 extern int i2c_detach_client(struct i2c_client *); 307 308 /* Should be used to make sure that client-struct is valid and that it 309 is okay to access the i2c-client. 310 returns -ENODEV if client has gone in the meantime */ 311 extern int i2c_use_client(struct i2c_client *); 312 extern int i2c_release_client(struct i2c_client *); 313 314 /* call the i2c_client->command() of all attached clients with 315 * the given arguments */ 316 extern void i2c_clients_command(struct i2c_adapter *adap, 317 unsigned int cmd, void *arg); 318 319 /* returns -EBUSY if address has been taken, 0 if not. Note that the only 320 other place at which this is called is within i2c_attach_client; so 321 you can cheat by simply not registering. Not recommended, of course! */ 322 extern int i2c_check_addr (struct i2c_adapter *adapter, int addr); 323 324 /* Detect function. It iterates over all possible addresses itself. 325 * It will only call found_proc if some client is connected at the 326 * specific address (unless a 'force' matched); 327 */ 328 extern int i2c_probe(struct i2c_adapter *adapter, 329 struct i2c_client_address_data *address_data, 330 int (*found_proc) (struct i2c_adapter *, int, int)); 331 332 /* An ioctl like call to set div. parameters of the adapter. 333 */ 334 extern int i2c_control(struct i2c_client *,unsigned int, unsigned long); 335 336 extern struct i2c_adapter* i2c_get_adapter(int id); 337 extern void i2c_put_adapter(struct i2c_adapter *adap); 338 339 340 /* Return the functionality mask */ 341 static inline u32 i2c_get_functionality(struct i2c_adapter *adap) 342 { 343 return adap->algo->functionality(adap); 344 } 345 346 /* Return 1 if adapter supports everything we need, 0 if not. */ 347 static inline int i2c_check_functionality(struct i2c_adapter *adap, u32 func) 348 { 349 return (func & i2c_get_functionality(adap)) == func; 350 } 351 352 /* Return id number for a specific adapter */ 353 static inline int i2c_adapter_id(struct i2c_adapter *adap) 354 { 355 return adap->nr; 356 } 357 358 /* 359 * I2C Message - used for pure i2c transaction, also from /dev interface 360 */ 361 struct i2c_msg { 362 __u16 addr; /* slave address */ 363 __u16 flags; 364 #define I2C_M_TEN 0x10 /* we have a ten bit chip address */ 365 #define I2C_M_RD 0x01 366 #define I2C_M_NOSTART 0x4000 367 #define I2C_M_REV_DIR_ADDR 0x2000 368 #define I2C_M_IGNORE_NAK 0x1000 369 #define I2C_M_NO_RD_ACK 0x0800 370 __u16 len; /* msg length */ 371 __u8 *buf; /* pointer to msg data */ 372 }; 373 374 /* To determine what functionality is present */ 375 376 #define I2C_FUNC_I2C 0x00000001 377 #define I2C_FUNC_10BIT_ADDR 0x00000002 378 #define I2C_FUNC_PROTOCOL_MANGLING 0x00000004 /* I2C_M_{REV_DIR_ADDR,NOSTART,..} */ 379 #define I2C_FUNC_SMBUS_HWPEC_CALC 0x00000008 /* SMBus 2.0 */ 380 #define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000 /* SMBus 2.0 */ 381 #define I2C_FUNC_SMBUS_QUICK 0x00010000 382 #define I2C_FUNC_SMBUS_READ_BYTE 0x00020000 383 #define I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000 384 #define I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000 385 #define I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000 386 #define I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000 387 #define I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000 388 #define I2C_FUNC_SMBUS_PROC_CALL 0x00800000 389 #define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000 390 #define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000 391 #define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000 /* I2C-like block xfer */ 392 #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000 /* w/ 1-byte reg. addr. */ 393 #define I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 0x10000000 /* I2C-like block xfer */ 394 #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2 0x20000000 /* w/ 2-byte reg. addr. */ 395 396 #define I2C_FUNC_SMBUS_BYTE (I2C_FUNC_SMBUS_READ_BYTE | \ 397 I2C_FUNC_SMBUS_WRITE_BYTE) 398 #define I2C_FUNC_SMBUS_BYTE_DATA (I2C_FUNC_SMBUS_READ_BYTE_DATA | \ 399 I2C_FUNC_SMBUS_WRITE_BYTE_DATA) 400 #define I2C_FUNC_SMBUS_WORD_DATA (I2C_FUNC_SMBUS_READ_WORD_DATA | \ 401 I2C_FUNC_SMBUS_WRITE_WORD_DATA) 402 #define I2C_FUNC_SMBUS_BLOCK_DATA (I2C_FUNC_SMBUS_READ_BLOCK_DATA | \ 403 I2C_FUNC_SMBUS_WRITE_BLOCK_DATA) 404 #define I2C_FUNC_SMBUS_I2C_BLOCK (I2C_FUNC_SMBUS_READ_I2C_BLOCK | \ 405 I2C_FUNC_SMBUS_WRITE_I2C_BLOCK) 406 #define I2C_FUNC_SMBUS_I2C_BLOCK_2 (I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 | \ 407 I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2) 408 409 #define I2C_FUNC_SMBUS_EMUL (I2C_FUNC_SMBUS_QUICK | \ 410 I2C_FUNC_SMBUS_BYTE | \ 411 I2C_FUNC_SMBUS_BYTE_DATA | \ 412 I2C_FUNC_SMBUS_WORD_DATA | \ 413 I2C_FUNC_SMBUS_PROC_CALL | \ 414 I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | \ 415 I2C_FUNC_SMBUS_I2C_BLOCK) 416 417 /* 418 * Data for SMBus Messages 419 */ 420 #define I2C_SMBUS_BLOCK_MAX 32 /* As specified in SMBus standard */ 421 union i2c_smbus_data { 422 __u8 byte; 423 __u16 word; 424 __u8 block[I2C_SMBUS_BLOCK_MAX + 2]; /* block[0] is used for length */ 425 /* and one more for user-space compatibility */ 426 }; 427 428 /* smbus_access read or write markers */ 429 #define I2C_SMBUS_READ 1 430 #define I2C_SMBUS_WRITE 0 431 432 /* SMBus transaction types (size parameter in the above functions) 433 Note: these no longer correspond to the (arbitrary) PIIX4 internal codes! */ 434 #define I2C_SMBUS_QUICK 0 435 #define I2C_SMBUS_BYTE 1 436 #define I2C_SMBUS_BYTE_DATA 2 437 #define I2C_SMBUS_WORD_DATA 3 438 #define I2C_SMBUS_PROC_CALL 4 439 #define I2C_SMBUS_BLOCK_DATA 5 440 #define I2C_SMBUS_I2C_BLOCK_DATA 6 441 #define I2C_SMBUS_BLOCK_PROC_CALL 7 /* SMBus 2.0 */ 442 443 444 /* ----- commands for the ioctl like i2c_command call: 445 * note that additional calls are defined in the algorithm and hw 446 * dependent layers - these can be listed here, or see the 447 * corresponding header files. 448 */ 449 /* -> bit-adapter specific ioctls */ 450 #define I2C_RETRIES 0x0701 /* number of times a device address */ 451 /* should be polled when not */ 452 /* acknowledging */ 453 #define I2C_TIMEOUT 0x0702 /* set timeout - call with int */ 454 455 456 /* this is for i2c-dev.c */ 457 #define I2C_SLAVE 0x0703 /* Change slave address */ 458 /* Attn.: Slave address is 7 or 10 bits */ 459 #define I2C_SLAVE_FORCE 0x0706 /* Change slave address */ 460 /* Attn.: Slave address is 7 or 10 bits */ 461 /* This changes the address, even if it */ 462 /* is already taken! */ 463 #define I2C_TENBIT 0x0704 /* 0 for 7 bit addrs, != 0 for 10 bit */ 464 465 #define I2C_FUNCS 0x0705 /* Get the adapter functionality */ 466 #define I2C_RDWR 0x0707 /* Combined R/W transfer (one stop only)*/ 467 #define I2C_PEC 0x0708 /* != 0 for SMBus PEC */ 468 469 #define I2C_SMBUS 0x0720 /* SMBus-level access */ 470 471 /* ----- I2C-DEV: char device interface stuff ------------------------- */ 472 473 #define I2C_MAJOR 89 /* Device major number */ 474 475 /* These defines are used for probing i2c client addresses */ 476 /* The length of the option lists */ 477 #define I2C_CLIENT_MAX_OPTS 48 478 479 /* Default fill of many variables */ 480 #define I2C_CLIENT_DEFAULTS {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 I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END} 496 497 /* I2C_CLIENT_MODULE_PARM creates a module parameter, and puts it in the 498 module header */ 499 500 #define I2C_CLIENT_MODULE_PARM(var,desc) \ 501 static unsigned short var[I2C_CLIENT_MAX_OPTS] = I2C_CLIENT_DEFAULTS; \ 502 static unsigned int var##_num; \ 503 module_param_array(var, short, &var##_num, 0); \ 504 MODULE_PARM_DESC(var,desc) 505 506 #define I2C_CLIENT_MODULE_PARM_FORCE(name) \ 507 I2C_CLIENT_MODULE_PARM(force_##name, \ 508 "List of adapter,address pairs which are " \ 509 "unquestionably assumed to contain a `" \ 510 # name "' chip") 511 512 513 #define I2C_CLIENT_INSMOD_COMMON \ 514 I2C_CLIENT_MODULE_PARM(probe, "List of adapter,address pairs to scan " \ 515 "additionally"); \ 516 I2C_CLIENT_MODULE_PARM(ignore, "List of adapter,address pairs not to " \ 517 "scan"); \ 518 static struct i2c_client_address_data addr_data = { \ 519 .normal_i2c = normal_i2c, \ 520 .probe = probe, \ 521 .ignore = ignore, \ 522 .forces = forces, \ 523 } 524 525 /* These are the ones you want to use in your own drivers. Pick the one 526 which matches the number of devices the driver differenciates between. */ 527 #define I2C_CLIENT_INSMOD \ 528 I2C_CLIENT_MODULE_PARM(force, \ 529 "List of adapter,address pairs to boldly assume " \ 530 "to be present"); \ 531 static unsigned short *forces[] = { \ 532 force, \ 533 NULL \ 534 }; \ 535 I2C_CLIENT_INSMOD_COMMON 536 537 #define I2C_CLIENT_INSMOD_1(chip1) \ 538 enum chips { any_chip, chip1 }; \ 539 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \ 540 "boldly assume to be present"); \ 541 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \ 542 static unsigned short *forces[] = { force, force_##chip1, NULL }; \ 543 I2C_CLIENT_INSMOD_COMMON 544 545 #define I2C_CLIENT_INSMOD_2(chip1, chip2) \ 546 enum chips { any_chip, chip1, chip2 }; \ 547 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \ 548 "boldly assume to be present"); \ 549 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \ 550 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \ 551 static unsigned short *forces[] = { force, force_##chip1, \ 552 force_##chip2, NULL }; \ 553 I2C_CLIENT_INSMOD_COMMON 554 555 #define I2C_CLIENT_INSMOD_3(chip1, chip2, chip3) \ 556 enum chips { any_chip, chip1, chip2, chip3 }; \ 557 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \ 558 "boldly assume to be present"); \ 559 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \ 560 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \ 561 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \ 562 static unsigned short *forces[] = { force, force_##chip1, \ 563 force_##chip2, force_##chip3, \ 564 NULL }; \ 565 I2C_CLIENT_INSMOD_COMMON 566 567 #define I2C_CLIENT_INSMOD_4(chip1, chip2, chip3, chip4) \ 568 enum chips { any_chip, chip1, chip2, chip3, chip4 }; \ 569 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \ 570 "boldly assume to be present"); \ 571 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \ 572 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \ 573 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \ 574 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \ 575 static unsigned short *forces[] = { force, force_##chip1, \ 576 force_##chip2, force_##chip3, \ 577 force_##chip4, NULL}; \ 578 I2C_CLIENT_INSMOD_COMMON 579 580 #define I2C_CLIENT_INSMOD_5(chip1, chip2, chip3, chip4, chip5) \ 581 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5 }; \ 582 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \ 583 "boldly assume to be present"); \ 584 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \ 585 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \ 586 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \ 587 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \ 588 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \ 589 static unsigned short *forces[] = { force, force_##chip1, \ 590 force_##chip2, force_##chip3, \ 591 force_##chip4, force_##chip5, \ 592 NULL }; \ 593 I2C_CLIENT_INSMOD_COMMON 594 595 #define I2C_CLIENT_INSMOD_6(chip1, chip2, chip3, chip4, chip5, chip6) \ 596 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6 }; \ 597 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \ 598 "boldly assume to be present"); \ 599 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \ 600 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \ 601 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \ 602 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \ 603 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \ 604 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \ 605 static unsigned short *forces[] = { force, force_##chip1, \ 606 force_##chip2, force_##chip3, \ 607 force_##chip4, force_##chip5, \ 608 force_##chip6, NULL }; \ 609 I2C_CLIENT_INSMOD_COMMON 610 611 #define I2C_CLIENT_INSMOD_7(chip1, chip2, chip3, chip4, chip5, chip6, chip7) \ 612 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \ 613 chip7 }; \ 614 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \ 615 "boldly assume to be present"); \ 616 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \ 617 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \ 618 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \ 619 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \ 620 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \ 621 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \ 622 I2C_CLIENT_MODULE_PARM_FORCE(chip7); \ 623 static unsigned short *forces[] = { force, force_##chip1, \ 624 force_##chip2, force_##chip3, \ 625 force_##chip4, force_##chip5, \ 626 force_##chip6, force_##chip7, \ 627 NULL }; \ 628 I2C_CLIENT_INSMOD_COMMON 629 630 #define I2C_CLIENT_INSMOD_8(chip1, chip2, chip3, chip4, chip5, chip6, chip7, chip8) \ 631 enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \ 632 chip7, chip8 }; \ 633 I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \ 634 "boldly assume to be present"); \ 635 I2C_CLIENT_MODULE_PARM_FORCE(chip1); \ 636 I2C_CLIENT_MODULE_PARM_FORCE(chip2); \ 637 I2C_CLIENT_MODULE_PARM_FORCE(chip3); \ 638 I2C_CLIENT_MODULE_PARM_FORCE(chip4); \ 639 I2C_CLIENT_MODULE_PARM_FORCE(chip5); \ 640 I2C_CLIENT_MODULE_PARM_FORCE(chip6); \ 641 I2C_CLIENT_MODULE_PARM_FORCE(chip7); \ 642 I2C_CLIENT_MODULE_PARM_FORCE(chip8); \ 643 static unsigned short *forces[] = { force, force_##chip1, \ 644 force_##chip2, force_##chip3, \ 645 force_##chip4, force_##chip5, \ 646 force_##chip6, force_##chip7, \ 647 force_##chip8, NULL }; \ 648 I2C_CLIENT_INSMOD_COMMON 649 650 #endif /* _LINUX_I2C_H */ 651