diff options
Diffstat (limited to 'drivers/i2c/busses')
-rw-r--r-- | drivers/i2c/busses/i2c-mpc.c | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index d41ca31dbcb2..03c23ce98edb 100644 --- a/drivers/i2c/busses/i2c-mpc.c +++ b/drivers/i2c/busses/i2c-mpc.c | |||
@@ -20,13 +20,7 @@ | |||
20 | #include <linux/init.h> | 20 | #include <linux/init.h> |
21 | #include <linux/pci.h> | 21 | #include <linux/pci.h> |
22 | #include <asm/io.h> | 22 | #include <asm/io.h> |
23 | #ifdef CONFIG_FSL_OCP | ||
24 | #include <asm/ocp.h> | ||
25 | #define FSL_I2C_DEV_SEPARATE_DFSRR FS_I2C_SEPARATE_DFSRR | ||
26 | #define FSL_I2C_DEV_CLOCK_5200 FS_I2C_CLOCK_5200 | ||
27 | #else | ||
28 | #include <linux/fsl_devices.h> | 23 | #include <linux/fsl_devices.h> |
29 | #endif | ||
30 | #include <linux/i2c.h> | 24 | #include <linux/i2c.h> |
31 | #include <linux/interrupt.h> | 25 | #include <linux/interrupt.h> |
32 | #include <linux/delay.h> | 26 | #include <linux/delay.h> |
@@ -294,204 +288,6 @@ static struct i2c_adapter mpc_ops = { | |||
294 | .retries = 1 | 288 | .retries = 1 |
295 | }; | 289 | }; |
296 | 290 | ||
297 | #ifdef CONFIG_FSL_OCP | ||
298 | static int __devinit mpc_i2c_probe(struct ocp_device *ocp) | ||
299 | { | ||
300 | int result = 0; | ||
301 | struct mpc_i2c *i2c; | ||
302 | |||
303 | if (!(i2c = kmalloc(sizeof(*i2c), GFP_KERNEL))) { | ||
304 | return -ENOMEM; | ||
305 | } | ||
306 | memset(i2c, 0, sizeof(*i2c)); | ||
307 | |||
308 | i2c->irq = ocp->def->irq; | ||
309 | i2c->flags = ((struct ocp_fs_i2c_data *)ocp->def->additions)->flags; | ||
310 | init_waitqueue_head(&i2c->queue); | ||
311 | |||
312 | if (!request_mem_region(ocp->def->paddr, MPC_I2C_REGION, "i2c-mpc")) { | ||
313 | printk(KERN_ERR "i2c-mpc - resource unavailable\n"); | ||
314 | return -ENODEV; | ||
315 | } | ||
316 | |||
317 | i2c->base = ioremap(ocp->def->paddr, MPC_I2C_REGION); | ||
318 | |||
319 | if (!i2c->base) { | ||
320 | printk(KERN_ERR "i2c-mpc - failed to map controller\n"); | ||
321 | result = -ENOMEM; | ||
322 | goto fail_map; | ||
323 | } | ||
324 | |||
325 | if (i2c->irq != OCP_IRQ_NA) | ||
326 | { | ||
327 | if ((result = request_irq(ocp->def->irq, mpc_i2c_isr, | ||
328 | SA_SHIRQ, "i2c-mpc", i2c)) < 0) { | ||
329 | printk(KERN_ERR | ||
330 | "i2c-mpc - failed to attach interrupt\n"); | ||
331 | goto fail_irq; | ||
332 | } | ||
333 | } else | ||
334 | i2c->irq = 0; | ||
335 | |||
336 | mpc_i2c_setclock(i2c); | ||
337 | ocp_set_drvdata(ocp, i2c); | ||
338 | |||
339 | i2c->adap = mpc_ops; | ||
340 | i2c_set_adapdata(&i2c->adap, i2c); | ||
341 | |||
342 | if ((result = i2c_add_adapter(&i2c->adap)) < 0) { | ||
343 | printk(KERN_ERR "i2c-mpc - failed to add adapter\n"); | ||
344 | goto fail_add; | ||
345 | } | ||
346 | |||
347 | return result; | ||
348 | |||
349 | fail_add: | ||
350 | if (ocp->def->irq != OCP_IRQ_NA) | ||
351 | free_irq(ocp->def->irq, 0); | ||
352 | fail_irq: | ||
353 | iounmap(i2c->base); | ||
354 | fail_map: | ||
355 | release_mem_region(ocp->def->paddr, MPC_I2C_REGION); | ||
356 | kfree(i2c); | ||
357 | return result; | ||
358 | } | ||
359 | static void __devexit mpc_i2c_remove(struct ocp_device *ocp) | ||
360 | { | ||
361 | struct mpc_i2c *i2c = ocp_get_drvdata(ocp); | ||
362 | i2c_del_adapter(&i2c->adap); | ||
363 | ocp_set_drvdata(ocp, NULL); | ||
364 | |||
365 | if (ocp->def->irq != OCP_IRQ_NA) | ||
366 | free_irq(i2c->irq, i2c); | ||
367 | iounmap(i2c->base); | ||
368 | release_mem_region(ocp->def->paddr, MPC_I2C_REGION); | ||
369 | kfree(i2c); | ||
370 | } | ||
371 | |||
372 | static struct ocp_device_id mpc_iic_ids[] __devinitdata = { | ||
373 | {.vendor = OCP_VENDOR_FREESCALE,.function = OCP_FUNC_IIC}, | ||
374 | {.vendor = OCP_VENDOR_INVALID} | ||
375 | }; | ||
376 | |||
377 | MODULE_DEVICE_TABLE(ocp, mpc_iic_ids); | ||
378 | |||
379 | static struct ocp_driver mpc_iic_driver = { | ||
380 | .name = "iic", | ||
381 | .id_table = mpc_iic_ids, | ||
382 | .probe = mpc_i2c_probe, | ||
383 | .remove = __devexit_p(mpc_i2c_remove) | ||
384 | }; | ||
385 | |||
386 | static int __init iic_init(void) | ||
387 | { | ||
388 | return ocp_register_driver(&mpc_iic_driver); | ||
389 | } | ||
390 | |||
391 | static void __exit iic_exit(void) | ||
392 | { | ||
393 | ocp_unregister_driver(&mpc_iic_driver); | ||
394 | } | ||
395 | |||
396 | module_init(iic_init); | ||
397 | module_exit(iic_exit); | ||
398 | #else | ||
399 | static int fsl_i2c_probe(struct device *device) | ||
400 | { | ||
401 | int result = 0; | ||
402 | struct mpc_i2c *i2c; | ||
403 | struct platform_device *pdev = to_platform_device(device); | ||
404 | struct fsl_i2c_platform_data *pdata; | ||
405 | struct resource *r = platform_get_resource(pdev, IORESOURCE_MEM, 0); | ||
406 | |||
407 | pdata = (struct fsl_i2c_platform_data *) pdev->dev.platform_data; | ||
408 | |||
409 | if (!(i2c = kmalloc(sizeof(*i2c), GFP_KERNEL))) { | ||
410 | return -ENOMEM; | ||
411 | } | ||
412 | memset(i2c, 0, sizeof(*i2c)); | ||
413 | |||
414 | i2c->irq = platform_get_irq(pdev, 0); | ||
415 | i2c->flags = pdata->device_flags; | ||
416 | init_waitqueue_head(&i2c->queue); | ||
417 | |||
418 | i2c->base = ioremap((phys_addr_t)r->start, MPC_I2C_REGION); | ||
419 | |||
420 | if (!i2c->base) { | ||
421 | printk(KERN_ERR "i2c-mpc - failed to map controller\n"); | ||
422 | result = -ENOMEM; | ||
423 | goto fail_map; | ||
424 | } | ||
425 | |||
426 | if (i2c->irq != 0) | ||
427 | if ((result = request_irq(i2c->irq, mpc_i2c_isr, | ||
428 | SA_SHIRQ, "i2c-mpc", i2c)) < 0) { | ||
429 | printk(KERN_ERR | ||
430 | "i2c-mpc - failed to attach interrupt\n"); | ||
431 | goto fail_irq; | ||
432 | } | ||
433 | |||
434 | mpc_i2c_setclock(i2c); | ||
435 | dev_set_drvdata(device, i2c); | ||
436 | |||
437 | i2c->adap = mpc_ops; | ||
438 | i2c_set_adapdata(&i2c->adap, i2c); | ||
439 | i2c->adap.dev.parent = &pdev->dev; | ||
440 | if ((result = i2c_add_adapter(&i2c->adap)) < 0) { | ||
441 | printk(KERN_ERR "i2c-mpc - failed to add adapter\n"); | ||
442 | goto fail_add; | ||
443 | } | ||
444 | |||
445 | return result; | ||
446 | |||
447 | fail_add: | ||
448 | if (i2c->irq != 0) | ||
449 | free_irq(i2c->irq, NULL); | ||
450 | fail_irq: | ||
451 | iounmap(i2c->base); | ||
452 | fail_map: | ||
453 | kfree(i2c); | ||
454 | return result; | ||
455 | }; | ||
456 | |||
457 | static int fsl_i2c_remove(struct device *device) | ||
458 | { | ||
459 | struct mpc_i2c *i2c = dev_get_drvdata(device); | ||
460 | |||
461 | i2c_del_adapter(&i2c->adap); | ||
462 | dev_set_drvdata(device, NULL); | ||
463 | |||
464 | if (i2c->irq != 0) | ||
465 | free_irq(i2c->irq, i2c); | ||
466 | |||
467 | iounmap(i2c->base); | ||
468 | kfree(i2c); | ||
469 | return 0; | ||
470 | }; | ||
471 | |||
472 | /* Structure for a device driver */ | ||
473 | static struct device_driver fsl_i2c_driver = { | ||
474 | .name = "fsl-i2c", | ||
475 | .bus = &platform_bus_type, | ||
476 | .probe = fsl_i2c_probe, | ||
477 | .remove = fsl_i2c_remove, | ||
478 | }; | ||
479 | |||
480 | static int __init fsl_i2c_init(void) | ||
481 | { | ||
482 | return driver_register(&fsl_i2c_driver); | ||
483 | } | ||
484 | |||
485 | static void __exit fsl_i2c_exit(void) | ||
486 | { | ||
487 | driver_unregister(&fsl_i2c_driver); | ||
488 | } | ||
489 | |||
490 | module_init(fsl_i2c_init); | ||
491 | module_exit(fsl_i2c_exit); | ||
492 | |||
493 | #endif /* CONFIG_FSL_OCP */ | ||
494 | |||
495 | MODULE_AUTHOR("Adrian Cox <adrian@humboldt.co.uk>"); | 291 | MODULE_AUTHOR("Adrian Cox <adrian@humboldt.co.uk>"); |
496 | MODULE_DESCRIPTION | 292 | MODULE_DESCRIPTION |
497 | ("I2C-Bus adapter for MPC107 bridge and MPC824x/85xx/52xx processors"); | 293 | ("I2C-Bus adapter for MPC107 bridge and MPC824x/85xx/52xx processors"); |