Lines Matching refs:indio_dev
46 static int iio_buffer_flush_hwfifo(struct iio_dev *indio_dev, in iio_buffer_flush_hwfifo() argument
49 if (!indio_dev->info->hwfifo_flush_to_buffer) in iio_buffer_flush_hwfifo()
52 return indio_dev->info->hwfifo_flush_to_buffer(indio_dev, required); in iio_buffer_flush_hwfifo()
55 static bool iio_buffer_ready(struct iio_dev *indio_dev, struct iio_buffer *buf, in iio_buffer_ready() argument
62 if (!indio_dev->info) in iio_buffer_ready()
76 iio_buffer_flush_hwfifo(indio_dev, buf, in iio_buffer_ready()
82 flushed = iio_buffer_flush_hwfifo(indio_dev, buf, in iio_buffer_ready()
111 struct iio_dev *indio_dev = ib->indio_dev; in iio_buffer_read() local
117 if (!indio_dev->info) in iio_buffer_read()
142 if (!indio_dev->info) { in iio_buffer_read()
147 if (!iio_buffer_ready(indio_dev, rb, to_wait, n / datum_size)) { in iio_buffer_read()
180 struct iio_dev *indio_dev = ib->indio_dev; in iio_buffer_write() local
185 if (!indio_dev->info) in iio_buffer_write()
197 if (indio_dev->info == NULL) in iio_buffer_write()
240 struct iio_dev *indio_dev = ib->indio_dev; in iio_buffer_poll() local
242 if (!indio_dev->info || rb == NULL) in iio_buffer_poll()
249 if (iio_buffer_ready(indio_dev, rb, rb->watermark, 0)) in iio_buffer_poll()
307 void iio_buffer_wakeup_poll(struct iio_dev *indio_dev) in iio_buffer_wakeup_poll() argument
309 struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); in iio_buffer_wakeup_poll()
339 void iio_device_detach_buffers(struct iio_dev *indio_dev) in iio_device_detach_buffers() argument
341 struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); in iio_device_detach_buffers()
426 static bool iio_validate_scan_mask(struct iio_dev *indio_dev, in iio_validate_scan_mask() argument
429 if (!indio_dev->setup_ops->validate_scan_mask) in iio_validate_scan_mask()
432 return indio_dev->setup_ops->validate_scan_mask(indio_dev, mask); in iio_validate_scan_mask()
445 static int iio_scan_mask_set(struct iio_dev *indio_dev, in iio_scan_mask_set() argument
451 if (!indio_dev->masklength) { in iio_scan_mask_set()
456 trialmask = bitmap_alloc(indio_dev->masklength, GFP_KERNEL); in iio_scan_mask_set()
459 bitmap_copy(trialmask, buffer->scan_mask, indio_dev->masklength); in iio_scan_mask_set()
462 if (!iio_validate_scan_mask(indio_dev, trialmask)) in iio_scan_mask_set()
465 if (indio_dev->available_scan_masks) { in iio_scan_mask_set()
466 mask = iio_scan_mask_match(indio_dev->available_scan_masks, in iio_scan_mask_set()
467 indio_dev->masklength, in iio_scan_mask_set()
472 bitmap_copy(buffer->scan_mask, trialmask, indio_dev->masklength); in iio_scan_mask_set()
489 static int iio_scan_mask_query(struct iio_dev *indio_dev, in iio_scan_mask_query() argument
492 if (bit > indio_dev->masklength) in iio_scan_mask_query()
509 struct iio_dev *indio_dev = dev_to_iio_dev(dev); in iio_scan_el_store() local
516 mutex_lock(&indio_dev->mlock); in iio_scan_el_store()
521 ret = iio_scan_mask_query(indio_dev, buffer, this_attr->address); in iio_scan_el_store()
529 ret = iio_scan_mask_set(indio_dev, buffer, this_attr->address); in iio_scan_el_store()
535 mutex_unlock(&indio_dev->mlock); in iio_scan_el_store()
556 struct iio_dev *indio_dev = dev_to_iio_dev(dev); in iio_scan_el_ts_store() local
564 mutex_lock(&indio_dev->mlock); in iio_scan_el_ts_store()
571 mutex_unlock(&indio_dev->mlock); in iio_scan_el_ts_store()
576 static int iio_buffer_add_channel_sysfs(struct iio_dev *indio_dev, in iio_buffer_add_channel_sysfs() argument
588 &indio_dev->dev, in iio_buffer_add_channel_sysfs()
600 &indio_dev->dev, in iio_buffer_add_channel_sysfs()
613 &indio_dev->dev, in iio_buffer_add_channel_sysfs()
623 &indio_dev->dev, in iio_buffer_add_channel_sysfs()
646 struct iio_dev *indio_dev = dev_to_iio_dev(dev); in iio_buffer_write_length() local
658 mutex_lock(&indio_dev->mlock); in iio_buffer_write_length()
670 mutex_unlock(&indio_dev->mlock); in iio_buffer_write_length()
684 static unsigned int iio_storage_bytes_for_si(struct iio_dev *indio_dev, in iio_storage_bytes_for_si() argument
690 ch = iio_find_channel_from_si(indio_dev, scan_index); in iio_storage_bytes_for_si()
697 static unsigned int iio_storage_bytes_for_timestamp(struct iio_dev *indio_dev) in iio_storage_bytes_for_timestamp() argument
699 struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); in iio_storage_bytes_for_timestamp()
701 return iio_storage_bytes_for_si(indio_dev, in iio_storage_bytes_for_timestamp()
705 static int iio_compute_scan_bytes(struct iio_dev *indio_dev, in iio_compute_scan_bytes() argument
713 indio_dev->masklength) { in iio_compute_scan_bytes()
714 length = iio_storage_bytes_for_si(indio_dev, i); in iio_compute_scan_bytes()
721 length = iio_storage_bytes_for_timestamp(indio_dev); in iio_compute_scan_bytes()
731 static void iio_buffer_activate(struct iio_dev *indio_dev, in iio_buffer_activate() argument
734 struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); in iio_buffer_activate()
747 static void iio_buffer_deactivate_all(struct iio_dev *indio_dev) in iio_buffer_deactivate_all() argument
749 struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); in iio_buffer_deactivate_all()
758 struct iio_dev *indio_dev) in iio_buffer_enable() argument
762 return buffer->access->enable(buffer, indio_dev); in iio_buffer_enable()
766 struct iio_dev *indio_dev) in iio_buffer_disable() argument
770 return buffer->access->disable(buffer, indio_dev); in iio_buffer_disable()
773 static void iio_buffer_update_bytes_per_datum(struct iio_dev *indio_dev, in iio_buffer_update_bytes_per_datum() argument
781 bytes = iio_compute_scan_bytes(indio_dev, buffer->scan_mask, in iio_buffer_update_bytes_per_datum()
787 static int iio_buffer_request_update(struct iio_dev *indio_dev, in iio_buffer_request_update() argument
792 iio_buffer_update_bytes_per_datum(indio_dev, buffer); in iio_buffer_request_update()
796 dev_dbg(&indio_dev->dev, in iio_buffer_request_update()
806 static void iio_free_scan_mask(struct iio_dev *indio_dev, in iio_free_scan_mask() argument
810 if (!indio_dev->available_scan_masks) in iio_free_scan_mask()
822 static int iio_verify_update(struct iio_dev *indio_dev, in iio_verify_update() argument
826 struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); in iio_verify_update()
835 bitmap_empty(insert_buffer->scan_mask, indio_dev->masklength)) { in iio_verify_update()
836 dev_dbg(&indio_dev->dev, in iio_verify_update()
852 modes = indio_dev->modes; in iio_verify_update()
868 if ((modes & INDIO_BUFFER_TRIGGERED) && indio_dev->trig) { in iio_verify_update()
883 if (indio_dev->modes & INDIO_BUFFER_TRIGGERED) in iio_verify_update()
884 dev_dbg(&indio_dev->dev, "Buffer not started: no trigger\n"); in iio_verify_update()
889 compound_mask = bitmap_zalloc(indio_dev->masklength, GFP_KERNEL); in iio_verify_update()
899 indio_dev->masklength); in iio_verify_update()
905 insert_buffer->scan_mask, indio_dev->masklength); in iio_verify_update()
909 if (indio_dev->available_scan_masks) { in iio_verify_update()
910 scan_mask = iio_scan_mask_match(indio_dev->available_scan_masks, in iio_verify_update()
911 indio_dev->masklength, in iio_verify_update()
921 config->scan_bytes = iio_compute_scan_bytes(indio_dev, in iio_verify_update()
973 static int iio_buffer_update_demux(struct iio_dev *indio_dev, in iio_buffer_update_demux() argument
986 if (bitmap_equal(indio_dev->active_scan_mask, in iio_buffer_update_demux()
988 indio_dev->masklength)) in iio_buffer_update_demux()
994 indio_dev->masklength) { in iio_buffer_update_demux()
995 in_ind = find_next_bit(indio_dev->active_scan_mask, in iio_buffer_update_demux()
996 indio_dev->masklength, in iio_buffer_update_demux()
999 length = iio_storage_bytes_for_si(indio_dev, in_ind); in iio_buffer_update_demux()
1002 in_ind = find_next_bit(indio_dev->active_scan_mask, in iio_buffer_update_demux()
1003 indio_dev->masklength, in iio_buffer_update_demux()
1006 length = iio_storage_bytes_for_si(indio_dev, in_ind); in iio_buffer_update_demux()
1017 length = iio_storage_bytes_for_timestamp(indio_dev); in iio_buffer_update_demux()
1038 static int iio_update_demux(struct iio_dev *indio_dev) in iio_update_demux() argument
1040 struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); in iio_update_demux()
1045 ret = iio_buffer_update_demux(indio_dev, buffer); in iio_update_demux()
1058 static int iio_enable_buffers(struct iio_dev *indio_dev, in iio_enable_buffers() argument
1061 struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); in iio_enable_buffers()
1065 indio_dev->active_scan_mask = config->scan_mask; in iio_enable_buffers()
1066 indio_dev->scan_timestamp = config->scan_timestamp; in iio_enable_buffers()
1067 indio_dev->scan_bytes = config->scan_bytes; in iio_enable_buffers()
1068 indio_dev->currentmode = config->mode; in iio_enable_buffers()
1070 iio_update_demux(indio_dev); in iio_enable_buffers()
1073 if (indio_dev->setup_ops->preenable) { in iio_enable_buffers()
1074 ret = indio_dev->setup_ops->preenable(indio_dev); in iio_enable_buffers()
1076 dev_dbg(&indio_dev->dev, in iio_enable_buffers()
1082 if (indio_dev->info->update_scan_mode) { in iio_enable_buffers()
1083 ret = indio_dev->info in iio_enable_buffers()
1084 ->update_scan_mode(indio_dev, in iio_enable_buffers()
1085 indio_dev->active_scan_mask); in iio_enable_buffers()
1087 dev_dbg(&indio_dev->dev, in iio_enable_buffers()
1094 if (indio_dev->info->hwfifo_set_watermark) in iio_enable_buffers()
1095 indio_dev->info->hwfifo_set_watermark(indio_dev, in iio_enable_buffers()
1099 ret = iio_buffer_enable(buffer, indio_dev); in iio_enable_buffers()
1104 if (indio_dev->currentmode == INDIO_BUFFER_TRIGGERED) { in iio_enable_buffers()
1105 ret = iio_trigger_attach_poll_func(indio_dev->trig, in iio_enable_buffers()
1106 indio_dev->pollfunc); in iio_enable_buffers()
1111 if (indio_dev->setup_ops->postenable) { in iio_enable_buffers()
1112 ret = indio_dev->setup_ops->postenable(indio_dev); in iio_enable_buffers()
1114 dev_dbg(&indio_dev->dev, in iio_enable_buffers()
1123 if (indio_dev->currentmode == INDIO_BUFFER_TRIGGERED) { in iio_enable_buffers()
1124 iio_trigger_detach_poll_func(indio_dev->trig, in iio_enable_buffers()
1125 indio_dev->pollfunc); in iio_enable_buffers()
1130 iio_buffer_disable(buffer, indio_dev); in iio_enable_buffers()
1132 if (indio_dev->setup_ops->postdisable) in iio_enable_buffers()
1133 indio_dev->setup_ops->postdisable(indio_dev); in iio_enable_buffers()
1135 indio_dev->currentmode = INDIO_DIRECT_MODE; in iio_enable_buffers()
1136 indio_dev->active_scan_mask = NULL; in iio_enable_buffers()
1141 static int iio_disable_buffers(struct iio_dev *indio_dev) in iio_disable_buffers() argument
1143 struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); in iio_disable_buffers()
1159 if (indio_dev->setup_ops->predisable) { in iio_disable_buffers()
1160 ret2 = indio_dev->setup_ops->predisable(indio_dev); in iio_disable_buffers()
1165 if (indio_dev->currentmode == INDIO_BUFFER_TRIGGERED) { in iio_disable_buffers()
1166 iio_trigger_detach_poll_func(indio_dev->trig, in iio_disable_buffers()
1167 indio_dev->pollfunc); in iio_disable_buffers()
1171 ret2 = iio_buffer_disable(buffer, indio_dev); in iio_disable_buffers()
1176 if (indio_dev->setup_ops->postdisable) { in iio_disable_buffers()
1177 ret2 = indio_dev->setup_ops->postdisable(indio_dev); in iio_disable_buffers()
1182 iio_free_scan_mask(indio_dev, indio_dev->active_scan_mask); in iio_disable_buffers()
1183 indio_dev->active_scan_mask = NULL; in iio_disable_buffers()
1184 indio_dev->currentmode = INDIO_DIRECT_MODE; in iio_disable_buffers()
1189 static int __iio_update_buffers(struct iio_dev *indio_dev, in __iio_update_buffers() argument
1193 struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); in __iio_update_buffers()
1197 ret = iio_verify_update(indio_dev, insert_buffer, remove_buffer, in __iio_update_buffers()
1203 ret = iio_buffer_request_update(indio_dev, insert_buffer); in __iio_update_buffers()
1208 ret = iio_disable_buffers(indio_dev); in __iio_update_buffers()
1215 iio_buffer_activate(indio_dev, insert_buffer); in __iio_update_buffers()
1221 ret = iio_enable_buffers(indio_dev, &new_config); in __iio_update_buffers()
1236 iio_buffer_deactivate_all(indio_dev); in __iio_update_buffers()
1239 iio_free_scan_mask(indio_dev, new_config.scan_mask); in __iio_update_buffers()
1243 int iio_update_buffers(struct iio_dev *indio_dev, in iio_update_buffers() argument
1247 struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); in iio_update_buffers()
1258 mutex_lock(&indio_dev->mlock); in iio_update_buffers()
1271 if (indio_dev->info == NULL) { in iio_update_buffers()
1276 ret = __iio_update_buffers(indio_dev, insert_buffer, remove_buffer); in iio_update_buffers()
1279 mutex_unlock(&indio_dev->mlock); in iio_update_buffers()
1286 void iio_disable_all_buffers(struct iio_dev *indio_dev) in iio_disable_all_buffers() argument
1288 iio_disable_buffers(indio_dev); in iio_disable_all_buffers()
1289 iio_buffer_deactivate_all(indio_dev); in iio_disable_all_buffers()
1299 struct iio_dev *indio_dev = dev_to_iio_dev(dev); in iio_buffer_store_enable() local
1307 mutex_lock(&indio_dev->mlock); in iio_buffer_store_enable()
1316 ret = __iio_update_buffers(indio_dev, buffer, NULL); in iio_buffer_store_enable()
1318 ret = __iio_update_buffers(indio_dev, NULL, buffer); in iio_buffer_store_enable()
1321 mutex_unlock(&indio_dev->mlock); in iio_buffer_store_enable()
1339 struct iio_dev *indio_dev = dev_to_iio_dev(dev); in iio_buffer_store_watermark() local
1350 mutex_lock(&indio_dev->mlock); in iio_buffer_store_watermark()
1364 mutex_unlock(&indio_dev->mlock); in iio_buffer_store_watermark()
1449 static int iio_buffer_register_legacy_sysfs_groups(struct iio_dev *indio_dev, in iio_buffer_register_legacy_sysfs_groups() argument
1454 struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); in iio_buffer_register_legacy_sysfs_groups()
1469 ret = iio_device_register_sysfs_group(indio_dev, group); in iio_buffer_register_legacy_sysfs_groups()
1486 ret = iio_device_register_sysfs_group(indio_dev, group); in iio_buffer_register_legacy_sysfs_groups()
1500 static void iio_buffer_unregister_legacy_sysfs_groups(struct iio_dev *indio_dev) in iio_buffer_unregister_legacy_sysfs_groups() argument
1502 struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); in iio_buffer_unregister_legacy_sysfs_groups()
1511 struct iio_dev *indio_dev = ib->indio_dev; in iio_buffer_chrdev_release() local
1518 iio_device_put(indio_dev); in iio_buffer_chrdev_release()
1532 static long iio_device_buffer_getfd(struct iio_dev *indio_dev, unsigned long arg) in iio_device_buffer_getfd() argument
1534 struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); in iio_device_buffer_getfd()
1546 iio_device_get(indio_dev); in iio_device_buffer_getfd()
1561 ib->indio_dev = indio_dev; in iio_device_buffer_getfd()
1584 iio_device_put(indio_dev); in iio_device_buffer_getfd()
1588 static long iio_device_buffer_ioctl(struct iio_dev *indio_dev, struct file *filp, in iio_device_buffer_ioctl() argument
1593 return iio_device_buffer_getfd(indio_dev, arg); in iio_device_buffer_ioctl()
1600 struct iio_dev *indio_dev, in __iio_buffer_alloc_sysfs_and_mask() argument
1603 struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); in __iio_buffer_alloc_sysfs_and_mask()
1617 channels = indio_dev->channels; in __iio_buffer_alloc_sysfs_and_mask()
1620 for (i = 0; i < indio_dev->num_channels; i++) { in __iio_buffer_alloc_sysfs_and_mask()
1624 ret = iio_buffer_add_channel_sysfs(indio_dev, buffer, in __iio_buffer_alloc_sysfs_and_mask()
1633 if (indio_dev->masklength && buffer->scan_mask == NULL) { in __iio_buffer_alloc_sysfs_and_mask()
1634 buffer->scan_mask = bitmap_zalloc(indio_dev->masklength, in __iio_buffer_alloc_sysfs_and_mask()
1685 ret = iio_device_register_sysfs_group(indio_dev, &buffer->buffer_group); in __iio_buffer_alloc_sysfs_and_mask()
1693 ret = iio_buffer_register_legacy_sysfs_groups(indio_dev, attr, in __iio_buffer_alloc_sysfs_and_mask()
1714 struct iio_dev *indio_dev, in __iio_buffer_free_sysfs_and_mask() argument
1718 iio_buffer_unregister_legacy_sysfs_groups(indio_dev); in __iio_buffer_free_sysfs_and_mask()
1725 int iio_buffers_alloc_sysfs_and_mask(struct iio_dev *indio_dev) in iio_buffers_alloc_sysfs_and_mask() argument
1727 struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); in iio_buffers_alloc_sysfs_and_mask()
1734 channels = indio_dev->channels; in iio_buffers_alloc_sysfs_and_mask()
1736 int ml = indio_dev->masklength; in iio_buffers_alloc_sysfs_and_mask()
1738 for (i = 0; i < indio_dev->num_channels; i++) in iio_buffers_alloc_sysfs_and_mask()
1740 indio_dev->masklength = ml; in iio_buffers_alloc_sysfs_and_mask()
1748 ret = __iio_buffer_alloc_sysfs_and_mask(buffer, indio_dev, i); in iio_buffers_alloc_sysfs_and_mask()
1764 iio_device_ioctl_handler_register(indio_dev, in iio_buffers_alloc_sysfs_and_mask()
1772 __iio_buffer_free_sysfs_and_mask(buffer, indio_dev, unwind_idx); in iio_buffers_alloc_sysfs_and_mask()
1777 void iio_buffers_free_sysfs_and_mask(struct iio_dev *indio_dev) in iio_buffers_free_sysfs_and_mask() argument
1779 struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); in iio_buffers_free_sysfs_and_mask()
1791 __iio_buffer_free_sysfs_and_mask(buffer, indio_dev, i); in iio_buffers_free_sysfs_and_mask()
1804 bool iio_validate_scan_mask_onehot(struct iio_dev *indio_dev, in iio_validate_scan_mask_onehot() argument
1807 return bitmap_weight(mask, indio_dev->masklength) == 1; in iio_validate_scan_mask_onehot()
1847 int iio_push_to_buffers(struct iio_dev *indio_dev, const void *data) in iio_push_to_buffers() argument
1849 struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); in iio_push_to_buffers()
1876 int iio_push_to_buffers_with_ts_unaligned(struct iio_dev *indio_dev, in iio_push_to_buffers_with_ts_unaligned() argument
1881 struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); in iio_push_to_buffers_with_ts_unaligned()
1890 data_sz = min_t(size_t, indio_dev->scan_bytes, data_sz); in iio_push_to_buffers_with_ts_unaligned()
1891 if (iio_dev_opaque->bounce_buffer_size != indio_dev->scan_bytes) { in iio_push_to_buffers_with_ts_unaligned()
1894 bb = devm_krealloc(&indio_dev->dev, in iio_push_to_buffers_with_ts_unaligned()
1896 indio_dev->scan_bytes, GFP_KERNEL); in iio_push_to_buffers_with_ts_unaligned()
1900 iio_dev_opaque->bounce_buffer_size = indio_dev->scan_bytes; in iio_push_to_buffers_with_ts_unaligned()
1903 return iio_push_to_buffers_with_timestamp(indio_dev, in iio_push_to_buffers_with_ts_unaligned()
1964 int iio_device_attach_buffer(struct iio_dev *indio_dev, in iio_device_attach_buffer() argument
1967 struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); in iio_device_attach_buffer()
1981 if (!indio_dev->buffer) in iio_device_attach_buffer()
1982 indio_dev->buffer = buffer; in iio_device_attach_buffer()