Lines Matching refs:dev
15 #define to_ipack_dev(device) container_of(device, struct ipack_device, dev)
20 static void ipack_device_release(struct device *dev) in ipack_device_release() argument
22 struct ipack_device *device = to_ipack_dev(dev); in ipack_device_release()
52 static int ipack_bus_match(struct device *dev, struct device_driver *drv) in ipack_bus_match() argument
54 struct ipack_device *idev = to_ipack_dev(dev); in ipack_bus_match()
64 struct ipack_device *dev = to_ipack_dev(device); in ipack_bus_probe() local
67 return drv->ops->probe(dev); in ipack_bus_probe()
72 struct ipack_device *dev = to_ipack_dev(device); in ipack_bus_remove() local
76 drv->ops->remove(dev); in ipack_bus_remove()
79 static int ipack_uevent(const struct device *dev, struct kobj_uevent_env *env) in ipack_uevent() argument
83 if (!dev) in ipack_uevent()
86 idev = to_ipack_dev(dev); in ipack_uevent()
98 field##_show(struct device *dev, struct device_attribute *attr, \
101 struct ipack_device *idev = to_ipack_dev(dev); \
105 static ssize_t id_show(struct device *dev, in id_show() argument
109 struct ipack_device *idev = to_ipack_dev(dev); in id_show()
136 id_vendor_show(struct device *dev, struct device_attribute *attr, char *buf) in id_vendor_show() argument
138 struct ipack_device *idev = to_ipack_dev(dev); in id_vendor_show()
150 id_device_show(struct device *dev, struct device_attribute *attr, char *buf) in id_device_show() argument
152 struct ipack_device *idev = to_ipack_dev(dev); in id_device_show()
163 static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, in modalias_show() argument
166 struct ipack_device *idev = to_ipack_dev(dev); in modalias_show()
225 static int ipack_unregister_bus_member(struct device *dev, void *data) in ipack_unregister_bus_member() argument
227 struct ipack_device *idev = to_ipack_dev(dev); in ipack_unregister_bus_member()
279 static u8 ipack_calc_crc1(struct ipack_device *dev) in ipack_calc_crc1() argument
286 for (i = 0; i < dev->id_avail; i++) { in ipack_calc_crc1()
287 c = (i != 11) ? dev->id[i] : 0; in ipack_calc_crc1()
294 static u16 ipack_calc_crc2(struct ipack_device *dev) in ipack_calc_crc2() argument
301 for (i = 0; i < dev->id_avail; i++) { in ipack_calc_crc2()
302 c = ((i != 0x18) && (i != 0x19)) ? dev->id[i] : 0; in ipack_calc_crc2()
309 static void ipack_parse_id1(struct ipack_device *dev) in ipack_parse_id1() argument
311 u8 *id = dev->id; in ipack_parse_id1()
314 dev->id_vendor = id[4]; in ipack_parse_id1()
315 dev->id_device = id[5]; in ipack_parse_id1()
316 dev->speed_8mhz = 1; in ipack_parse_id1()
317 dev->speed_32mhz = (id[7] == 'H'); in ipack_parse_id1()
318 crc = ipack_calc_crc1(dev); in ipack_parse_id1()
319 dev->id_crc_correct = (crc == id[11]); in ipack_parse_id1()
320 if (!dev->id_crc_correct) { in ipack_parse_id1()
321 dev_warn(&dev->dev, "ID CRC invalid found 0x%x, expected 0x%x.\n", in ipack_parse_id1()
326 static void ipack_parse_id2(struct ipack_device *dev) in ipack_parse_id2() argument
328 __be16 *id = (__be16 *) dev->id; in ipack_parse_id2()
331 dev->id_vendor = ((be16_to_cpu(id[3]) & 0xff) << 16) in ipack_parse_id2()
333 dev->id_device = be16_to_cpu(id[5]); in ipack_parse_id2()
335 dev->speed_8mhz = !!(flags & 2); in ipack_parse_id2()
336 dev->speed_32mhz = !!(flags & 4); in ipack_parse_id2()
337 crc = ipack_calc_crc2(dev); in ipack_parse_id2()
338 dev->id_crc_correct = (crc == be16_to_cpu(id[12])); in ipack_parse_id2()
339 if (!dev->id_crc_correct) { in ipack_parse_id2()
340 dev_warn(&dev->dev, "ID CRC invalid found 0x%x, expected 0x%x.\n", in ipack_parse_id2()
345 static int ipack_device_read_id(struct ipack_device *dev) in ipack_device_read_id() argument
351 idmem = ioremap(dev->region[IPACK_ID_SPACE].start, in ipack_device_read_id()
352 dev->region[IPACK_ID_SPACE].size); in ipack_device_read_id()
354 dev_err(&dev->dev, "error mapping memory\n"); in ipack_device_read_id()
367 dev->id_format = IPACK_ID_VERSION_1; in ipack_device_read_id()
368 dev->id_avail = ioread8(idmem + 0x15); in ipack_device_read_id()
369 if ((dev->id_avail < 0x0c) || (dev->id_avail > 0x40)) { in ipack_device_read_id()
370 dev_warn(&dev->dev, "invalid id size"); in ipack_device_read_id()
371 dev->id_avail = 0x0c; in ipack_device_read_id()
379 dev->id_format = IPACK_ID_VERSION_2; in ipack_device_read_id()
380 dev->id_avail = ioread16be(idmem + 0x16); in ipack_device_read_id()
381 if ((dev->id_avail < 0x1a) || (dev->id_avail > 0x40)) { in ipack_device_read_id()
382 dev_warn(&dev->dev, "invalid id size"); in ipack_device_read_id()
383 dev->id_avail = 0x1a; in ipack_device_read_id()
386 dev->id_format = IPACK_ID_VERSION_INVALID; in ipack_device_read_id()
387 dev->id_avail = 0; in ipack_device_read_id()
390 if (!dev->id_avail) { in ipack_device_read_id()
397 dev->id = kmalloc(dev->id_avail, GFP_KERNEL); in ipack_device_read_id()
398 if (!dev->id) { in ipack_device_read_id()
402 for (i = 0; i < dev->id_avail; i++) { in ipack_device_read_id()
403 if (dev->id_format == IPACK_ID_VERSION_1) in ipack_device_read_id()
404 dev->id[i] = ioread8(idmem + (i << 1) + 1); in ipack_device_read_id()
406 dev->id[i] = ioread8(idmem + i); in ipack_device_read_id()
410 switch (dev->id_format) { in ipack_device_read_id()
412 ipack_parse_id1(dev); in ipack_device_read_id()
415 ipack_parse_id2(dev); in ipack_device_read_id()
425 int ipack_device_init(struct ipack_device *dev) in ipack_device_init() argument
429 dev->dev.bus = &ipack_bus_type; in ipack_device_init()
430 dev->dev.release = ipack_device_release; in ipack_device_init()
431 dev->dev.parent = dev->bus->parent; in ipack_device_init()
432 ret = dev_set_name(&dev->dev, in ipack_device_init()
433 "ipack-dev.%u.%u", dev->bus->bus_nr, dev->slot); in ipack_device_init()
437 device_initialize(&dev->dev); in ipack_device_init()
439 if (dev->bus->ops->set_clockrate(dev, 8)) in ipack_device_init()
440 dev_warn(&dev->dev, "failed to switch to 8 MHz operation for reading of device ID.\n"); in ipack_device_init()
441 if (dev->bus->ops->reset_timeout(dev)) in ipack_device_init()
442 dev_warn(&dev->dev, "failed to reset potential timeout."); in ipack_device_init()
444 ret = ipack_device_read_id(dev); in ipack_device_init()
446 dev_err(&dev->dev, "error reading device id section.\n"); in ipack_device_init()
451 if (dev->speed_32mhz) { in ipack_device_init()
452 ret = dev->bus->ops->set_clockrate(dev, 32); in ipack_device_init()
454 dev_err(&dev->dev, "failed to switch to 32 MHz operation.\n"); in ipack_device_init()
461 int ipack_device_add(struct ipack_device *dev) in ipack_device_add() argument
463 return device_add(&dev->dev); in ipack_device_add()
467 void ipack_device_del(struct ipack_device *dev) in ipack_device_del() argument
469 device_del(&dev->dev); in ipack_device_del()
470 ipack_put_device(dev); in ipack_device_del()
474 void ipack_get_device(struct ipack_device *dev) in ipack_get_device() argument
476 get_device(&dev->dev); in ipack_get_device()
480 void ipack_put_device(struct ipack_device *dev) in ipack_put_device() argument
482 put_device(&dev->dev); in ipack_put_device()