Lines Matching refs:ckdev
135 static bool cros_ec_keyb_has_ghosting(struct cros_ec_keyb *ckdev, uint8_t *buf) in cros_ec_keyb_has_ghosting() argument
138 struct device *dev = ckdev->dev; in cros_ec_keyb_has_ghosting()
139 uint8_t *valid_keys = ckdev->valid_keys; in cros_ec_keyb_has_ghosting()
154 for (col1 = 0; col1 < ckdev->cols; col1++) { in cros_ec_keyb_has_ghosting()
156 for (col2 = col1 + 1; col2 < ckdev->cols; col2++) { in cros_ec_keyb_has_ghosting()
175 static void cros_ec_keyb_process(struct cros_ec_keyb *ckdev, in cros_ec_keyb_process() argument
178 struct input_dev *idev = ckdev->idev; in cros_ec_keyb_process()
183 if (ckdev->ghost_filter && cros_ec_keyb_has_ghosting(ckdev, kb_state)) { in cros_ec_keyb_process()
189 dev_dbg(ckdev->dev, "ghosting found\n"); in cros_ec_keyb_process()
193 for (col = 0; col < ckdev->cols; col++) { in cros_ec_keyb_process()
194 for (row = 0; row < ckdev->rows; row++) { in cros_ec_keyb_process()
195 int pos = MATRIX_SCAN_CODE(row, col, ckdev->row_shift); in cros_ec_keyb_process()
199 old_state = ckdev->old_kb_state[col] & (1 << row); in cros_ec_keyb_process()
201 dev_dbg(ckdev->dev, in cros_ec_keyb_process()
210 ckdev->old_kb_state[col] = kb_state[col]; in cros_ec_keyb_process()
212 input_sync(ckdev->idev); in cros_ec_keyb_process()
225 static void cros_ec_keyb_report_bs(struct cros_ec_keyb *ckdev, in cros_ec_keyb_report_bs() argument
229 struct input_dev *idev = ckdev->bs_idev; in cros_ec_keyb_report_bs()
247 struct cros_ec_keyb *ckdev = container_of(nb, struct cros_ec_keyb, in cros_ec_keyb_work() local
257 if (queued_during_suspend && !device_may_wakeup(ckdev->dev)) in cros_ec_keyb_work()
260 switch (ckdev->ec->event_data.event_type) { in cros_ec_keyb_work()
262 pm_wakeup_event(ckdev->dev, 0); in cros_ec_keyb_work()
264 if (ckdev->ec->event_size != ckdev->cols) { in cros_ec_keyb_work()
265 dev_err(ckdev->dev, in cros_ec_keyb_work()
270 cros_ec_keyb_process(ckdev, in cros_ec_keyb_work()
271 ckdev->ec->event_data.data.key_matrix, in cros_ec_keyb_work()
272 ckdev->ec->event_size); in cros_ec_keyb_work()
276 pm_wakeup_event(ckdev->dev, 0); in cros_ec_keyb_work()
278 val = get_unaligned_le32(&ckdev->ec->event_data.data.sysrq); in cros_ec_keyb_work()
279 dev_dbg(ckdev->dev, "sysrq code from EC: %#x\n", val); in cros_ec_keyb_work()
285 pm_wakeup_event(ckdev->dev, 0); in cros_ec_keyb_work()
287 if (ckdev->ec->event_data.event_type == EC_MKBP_EVENT_BUTTON) { in cros_ec_keyb_work()
289 &ckdev->ec->event_data.data.buttons); in cros_ec_keyb_work()
293 &ckdev->ec->event_data.data.switches); in cros_ec_keyb_work()
296 cros_ec_keyb_report_bs(ckdev, ev_type, val); in cros_ec_keyb_work()
310 static void cros_ec_keyb_compute_valid_keys(struct cros_ec_keyb *ckdev) in cros_ec_keyb_compute_valid_keys() argument
313 int row_shift = ckdev->row_shift; in cros_ec_keyb_compute_valid_keys()
314 unsigned short *keymap = ckdev->idev->keycode; in cros_ec_keyb_compute_valid_keys()
317 BUG_ON(ckdev->idev->keycodesize != sizeof(*keymap)); in cros_ec_keyb_compute_valid_keys()
319 for (col = 0; col < ckdev->cols; col++) { in cros_ec_keyb_compute_valid_keys()
320 for (row = 0; row < ckdev->rows; row++) { in cros_ec_keyb_compute_valid_keys()
323 ckdev->valid_keys[col] |= 1 << row; in cros_ec_keyb_compute_valid_keys()
325 dev_dbg(ckdev->dev, "valid_keys[%02d] = 0x%02x\n", in cros_ec_keyb_compute_valid_keys()
326 col, ckdev->valid_keys[col]); in cros_ec_keyb_compute_valid_keys()
404 static int cros_ec_keyb_query_switches(struct cros_ec_keyb *ckdev) in cros_ec_keyb_query_switches() argument
406 struct cros_ec_device *ec_dev = ckdev->ec; in cros_ec_keyb_query_switches()
416 cros_ec_keyb_report_bs(ckdev, EV_SW, in cros_ec_keyb_query_switches()
433 struct cros_ec_keyb *ckdev = dev_get_drvdata(dev); in cros_ec_keyb_resume() local
435 if (ckdev->bs_idev) in cros_ec_keyb_resume()
436 return cros_ec_keyb_query_switches(ckdev); in cros_ec_keyb_resume()
457 static int cros_ec_keyb_register_bs(struct cros_ec_keyb *ckdev, in cros_ec_keyb_register_bs() argument
460 struct cros_ec_device *ec_dev = ckdev->ec; in cros_ec_keyb_register_bs()
461 struct device *dev = ckdev->dev; in cros_ec_keyb_register_bs()
509 input_set_drvdata(idev, ckdev); in cros_ec_keyb_register_bs()
510 ckdev->bs_idev = idev; in cros_ec_keyb_register_bs()
520 ret = cros_ec_keyb_query_switches(ckdev); in cros_ec_keyb_register_bs()
526 ret = input_register_device(ckdev->bs_idev); in cros_ec_keyb_register_bs()
535 static void cros_ec_keyb_parse_vivaldi_physmap(struct cros_ec_keyb *ckdev) in cros_ec_keyb_parse_vivaldi_physmap() argument
537 u32 *physmap = ckdev->vdata.function_row_physmap; in cros_ec_keyb_parse_vivaldi_physmap()
543 n_physmap = device_property_count_u32(ckdev->dev, in cros_ec_keyb_parse_vivaldi_physmap()
549 dev_warn(ckdev->dev, in cros_ec_keyb_parse_vivaldi_physmap()
555 error = device_property_read_u32_array(ckdev->dev, in cros_ec_keyb_parse_vivaldi_physmap()
559 dev_warn(ckdev->dev, in cros_ec_keyb_parse_vivaldi_physmap()
572 scancode = MATRIX_SCAN_CODE(row, col, ckdev->row_shift); in cros_ec_keyb_parse_vivaldi_physmap()
576 ckdev->vdata.num_function_row_keys = n_physmap; in cros_ec_keyb_parse_vivaldi_physmap()
588 static int cros_ec_keyb_register_matrix(struct cros_ec_keyb *ckdev) in cros_ec_keyb_register_matrix() argument
590 struct cros_ec_device *ec_dev = ckdev->ec; in cros_ec_keyb_register_matrix()
591 struct device *dev = ckdev->dev; in cros_ec_keyb_register_matrix()
596 err = matrix_keypad_parse_properties(dev, &ckdev->rows, &ckdev->cols); in cros_ec_keyb_register_matrix()
600 ckdev->valid_keys = devm_kzalloc(dev, ckdev->cols, GFP_KERNEL); in cros_ec_keyb_register_matrix()
601 if (!ckdev->valid_keys) in cros_ec_keyb_register_matrix()
604 ckdev->old_kb_state = devm_kzalloc(dev, ckdev->cols, GFP_KERNEL); in cros_ec_keyb_register_matrix()
605 if (!ckdev->old_kb_state) in cros_ec_keyb_register_matrix()
629 ckdev->ghost_filter = device_property_read_bool(dev, in cros_ec_keyb_register_matrix()
632 err = matrix_keypad_build_keymap(NULL, NULL, ckdev->rows, ckdev->cols, in cros_ec_keyb_register_matrix()
639 ckdev->row_shift = get_count_order(ckdev->cols); in cros_ec_keyb_register_matrix()
642 input_set_drvdata(idev, ckdev); in cros_ec_keyb_register_matrix()
643 ckdev->idev = idev; in cros_ec_keyb_register_matrix()
644 cros_ec_keyb_compute_valid_keys(ckdev); in cros_ec_keyb_register_matrix()
645 cros_ec_keyb_parse_vivaldi_physmap(ckdev); in cros_ec_keyb_register_matrix()
647 err = input_register_device(ckdev->idev); in cros_ec_keyb_register_matrix()
660 const struct cros_ec_keyb *ckdev = dev_get_drvdata(dev); in function_row_physmap_show() local
661 const struct vivaldi_data *data = &ckdev->vdata; in function_row_physmap_show()
678 struct cros_ec_keyb *ckdev = dev_get_drvdata(dev); in cros_ec_keyb_attr_is_visible() local
681 !ckdev->vdata.num_function_row_keys) in cros_ec_keyb_attr_is_visible()
697 struct cros_ec_keyb *ckdev; in cros_ec_keyb_probe() local
709 ckdev = devm_kzalloc(dev, sizeof(*ckdev), GFP_KERNEL); in cros_ec_keyb_probe()
710 if (!ckdev) in cros_ec_keyb_probe()
713 ckdev->ec = ec; in cros_ec_keyb_probe()
714 ckdev->dev = dev; in cros_ec_keyb_probe()
715 dev_set_drvdata(dev, ckdev); in cros_ec_keyb_probe()
718 err = cros_ec_keyb_register_matrix(ckdev); in cros_ec_keyb_probe()
726 err = cros_ec_keyb_register_bs(ckdev, buttons_switches_only); in cros_ec_keyb_probe()
732 ckdev->notifier.notifier_call = cros_ec_keyb_work; in cros_ec_keyb_probe()
733 err = blocking_notifier_chain_register(&ckdev->ec->event_notifier, in cros_ec_keyb_probe()
734 &ckdev->notifier); in cros_ec_keyb_probe()
740 device_init_wakeup(ckdev->dev, true); in cros_ec_keyb_probe()
746 struct cros_ec_keyb *ckdev = dev_get_drvdata(&pdev->dev); in cros_ec_keyb_remove() local
748 blocking_notifier_chain_unregister(&ckdev->ec->event_notifier, in cros_ec_keyb_remove()
749 &ckdev->notifier); in cros_ec_keyb_remove()