Lines Matching +full:led +full:- +full:cur
1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (c) 2015-2018 Federico Lorenzi
6 * Copyright (c) 2017-2018 Ronald Tschalär
26 * SPI-based Protocol
27 * ------------------
40 * fixed, 256-byte size). In that case it will be split over multiple,
85 ((KBD_BL_LEVEL_MAX - KBD_BL_LEVEL_MIN) * KBD_BL_LEVEL_SCALE / 255U)
102 …emap Fn key ([0] = no-remap; 1 = left-ctrl, 2 = left-shift, 3 = left-alt, 4 = left-meta, 6 = right…
106 MODULE_PARM_DESC(iso_layout, "Enable/Disable hardcoded ISO-layout of the keyboard. ([0] = disabled,…
114 * struct keyboard_protocol - keyboard message.
118 * @modifiers: bit-set of modifier/control keys pressed
120 * @keys_pressed: the (non-modifier) keys currently pressed
135 * struct tp_finger - single trackpad finger structure, le16-aligned
172 * struct touchpad_protocol - touchpad message.
176 * @clicked: 1 if a button-click was detected, 0 otherwise
194 * struct command_protocol_tp_info - get touchpad info.
205 * struct touchpad_info_protocol - touchpad info response.
225 * struct command_protocol_mt_init - initialize multitouch.
238 * struct command_protocol_capsl - toggle caps-lock led
242 * @led: 0 off, 2 on
248 u8 led; member
253 * struct command_protocol_bl - set keyboard backlight brightness
270 * struct message - a complete spi message.
272 * Each message begins with fixed header, followed by a message-type specific
273 * payload, and ends with a 16-bit crc. Because of the varying lengths of the
287 * structure (after re-assembly in case of being split over
288 * multiple spi-packets), minus the trailing crc. The total size
296 * @capsl_command: Toggle caps-lock LED
322 * struct spi_packet - a complete spi packet; always 256 bytes. This carries
343 * covers just this packet, even on multi-packet messages (in
357 u64 spi_cs_delay; /* cs-to-clk delay in us */
358 u64 reset_a2r_usec; /* active-to-receive delay? */
359 u64 reset_rec_usec; /* ? (cur val: 10) */
512 .tp_info = { -5087, -182, 5579, 6089 },
516 .tp_info = { -6243, -170, 6749, 7685 },
520 .tp_info = { -7456, -163, 7976, 9283 },
551 struct spi_message *msg = &applespi->rd_m; in applespi_setup_read_txfrs()
552 struct spi_transfer *dl_t = &applespi->dl_t; in applespi_setup_read_txfrs()
553 struct spi_transfer *rd_t = &applespi->rd_t; in applespi_setup_read_txfrs()
558 dl_t->delay.value = applespi->spi_settings.spi_cs_delay; in applespi_setup_read_txfrs()
559 dl_t->delay.unit = SPI_DELAY_UNIT_USECS; in applespi_setup_read_txfrs()
561 rd_t->rx_buf = applespi->rx_buffer; in applespi_setup_read_txfrs()
562 rd_t->len = APPLESPI_PACKET_SIZE; in applespi_setup_read_txfrs()
571 struct spi_message *msg = &applespi->wr_m; in applespi_setup_write_txfrs()
572 struct spi_transfer *wt_t = &applespi->ww_t; in applespi_setup_write_txfrs()
573 struct spi_transfer *dl_t = &applespi->wd_t; in applespi_setup_write_txfrs()
574 struct spi_transfer *wr_t = &applespi->wr_t; in applespi_setup_write_txfrs()
575 struct spi_transfer *st_t = &applespi->st_t; in applespi_setup_write_txfrs()
588 wt_t->delay.value = SPI_RW_CHG_DELAY_US; in applespi_setup_write_txfrs()
589 wt_t->delay.unit = SPI_DELAY_UNIT_USECS; in applespi_setup_write_txfrs()
590 wt_t->cs_change = 1; in applespi_setup_write_txfrs()
592 dl_t->delay.value = applespi->spi_settings.spi_cs_delay; in applespi_setup_write_txfrs()
593 dl_t->delay.unit = SPI_DELAY_UNIT_USECS; in applespi_setup_write_txfrs()
595 wr_t->tx_buf = applespi->tx_buffer; in applespi_setup_write_txfrs()
596 wr_t->len = APPLESPI_PACKET_SIZE; in applespi_setup_write_txfrs()
597 wr_t->delay.value = SPI_RW_CHG_DELAY_US; in applespi_setup_write_txfrs()
598 wr_t->delay.unit = SPI_DELAY_UNIT_USECS; in applespi_setup_write_txfrs()
600 st_t->rx_buf = applespi->tx_status; in applespi_setup_write_txfrs()
601 st_t->len = APPLESPI_STATUS_SIZE; in applespi_setup_write_txfrs()
613 message->complete = complete; in applespi_async()
614 message->context = applespi; in applespi_async()
616 return spi_async(applespi->spi, message); in applespi_async()
625 dev_warn(&applespi->spi->dev, "Error writing to device: %d\n", in applespi_check_write_status()
630 if (memcmp(applespi->tx_status, status_ok, APPLESPI_STATUS_SIZE)) { in applespi_check_write_status()
631 dev_warn(&applespi->spi->dev, "Error writing to device: %*ph\n", in applespi_check_write_status()
632 APPLESPI_STATUS_SIZE, applespi->tx_status); in applespi_check_write_status()
641 struct acpi_device *adev = ACPI_COMPANION(&applespi->spi->dev); in applespi_get_spi_settings()
643 struct spi_settings *settings = &applespi->spi_settings; in applespi_get_spi_settings()
646 settings->spi_cs_delay = *(u64 *)o->buffer.pointer; in applespi_get_spi_settings()
648 dev_warn(&applespi->spi->dev, in applespi_get_spi_settings()
652 settings->reset_a2r_usec = *(u64 *)o->buffer.pointer; in applespi_get_spi_settings()
654 dev_warn(&applespi->spi->dev, in applespi_get_spi_settings()
658 settings->reset_rec_usec = *(u64 *)o->buffer.pointer; in applespi_get_spi_settings()
660 dev_warn(&applespi->spi->dev, in applespi_get_spi_settings()
663 dev_dbg(&applespi->spi->dev, in applespi_get_spi_settings()
665 settings->spi_cs_delay, settings->reset_a2r_usec, in applespi_get_spi_settings()
666 settings->reset_rec_usec); in applespi_get_spi_settings()
679 spin_lock_init(&applespi->cmd_msg_lock); in applespi_setup_spi()
680 init_waitqueue_head(&applespi->drain_complete); in applespi_setup_spi()
691 acpi_sts = acpi_evaluate_integer(applespi->sist, NULL, NULL, in applespi_enable_spi()
697 acpi_sts = acpi_execute_simple_method(applespi->sien, NULL, 1); in applespi_enable_spi()
699 dev_err(&applespi->spi->dev, "SIEN failed: %s\n", in applespi_enable_spi()
701 return -ENODEV; in applespi_enable_spi()
720 guard(spinlock_irqsave)(&applespi->cmd_msg_lock); in applespi_msg_complete()
723 applespi->read_active = false; in applespi_msg_complete()
725 applespi->write_active = false; in applespi_msg_complete()
727 if (applespi->drain && !applespi->write_active) in applespi_msg_complete()
728 wake_up_all(&applespi->drain_complete); in applespi_msg_complete()
731 applespi->cmd_msg_queued = 0; in applespi_msg_complete()
739 enum applespi_evt_type evt_type = applespi->cmd_evt_type; in applespi_async_write_complete()
742 applespi->tx_buffer, in applespi_async_write_complete()
745 applespi->tx_status, in applespi_async_write_complete()
750 if (!applespi_check_write_status(applespi, applespi->wr_m.status)) { in applespi_async_write_complete()
763 struct spi_packet *packet = (struct spi_packet *)applespi->tx_buffer; in applespi_send_cmd_msg()
764 struct message *message = (struct message *)packet->data; in applespi_send_cmd_msg()
769 if (applespi->drain) in applespi_send_cmd_msg()
773 if (applespi->cmd_msg_queued) { in applespi_send_cmd_msg()
774 if (ktime_ms_delta(ktime_get(), applespi->cmd_msg_queued) < 1000) in applespi_send_cmd_msg()
777 dev_warn(&applespi->spi->dev, "Command %d timed out\n", in applespi_send_cmd_msg()
778 applespi->cmd_evt_type); in applespi_send_cmd_msg()
780 applespi->cmd_msg_queued = 0; in applespi_send_cmd_msg()
781 applespi->write_active = false; in applespi_send_cmd_msg()
788 if (applespi->want_tp_info_cmd) { in applespi_send_cmd_msg()
789 applespi->want_tp_info_cmd = false; in applespi_send_cmd_msg()
790 applespi->want_mt_init_cmd = true; in applespi_send_cmd_msg()
791 applespi->cmd_evt_type = ET_CMD_TP_INI; in applespi_send_cmd_msg()
796 message->type = cpu_to_le16(0x1020); in applespi_send_cmd_msg()
797 msg_len = sizeof(message->tp_info_command); in applespi_send_cmd_msg()
799 message->zero = 0x02; in applespi_send_cmd_msg()
800 message->rsp_buf_len = cpu_to_le16(0x0200); in applespi_send_cmd_msg()
802 } else if (applespi->want_mt_init_cmd) { in applespi_send_cmd_msg()
803 applespi->want_mt_init_cmd = false; in applespi_send_cmd_msg()
804 applespi->cmd_evt_type = ET_CMD_TP_INI; in applespi_send_cmd_msg()
809 message->type = cpu_to_le16(0x0252); in applespi_send_cmd_msg()
810 msg_len = sizeof(message->init_mt_command); in applespi_send_cmd_msg()
812 message->init_mt_command.cmd = cpu_to_le16(0x0102); in applespi_send_cmd_msg()
814 /* do we need caps-lock command? */ in applespi_send_cmd_msg()
815 } else if (applespi->want_cl_led_on != applespi->have_cl_led_on) { in applespi_send_cmd_msg()
816 applespi->have_cl_led_on = applespi->want_cl_led_on; in applespi_send_cmd_msg()
817 applespi->cmd_evt_type = ET_CMD_CL; in applespi_send_cmd_msg()
819 /* build led command */ in applespi_send_cmd_msg()
822 message->type = cpu_to_le16(0x0151); in applespi_send_cmd_msg()
823 msg_len = sizeof(message->capsl_command); in applespi_send_cmd_msg()
825 message->capsl_command.unknown = 0x01; in applespi_send_cmd_msg()
826 message->capsl_command.led = applespi->have_cl_led_on ? 2 : 0; in applespi_send_cmd_msg()
829 } else if (applespi->want_bl_level != applespi->have_bl_level) { in applespi_send_cmd_msg()
830 applespi->have_bl_level = applespi->want_bl_level; in applespi_send_cmd_msg()
831 applespi->cmd_evt_type = ET_CMD_BL; in applespi_send_cmd_msg()
836 message->type = cpu_to_le16(0xB051); in applespi_send_cmd_msg()
837 msg_len = sizeof(message->bl_command); in applespi_send_cmd_msg()
839 message->bl_command.const1 = cpu_to_le16(0x01B0); in applespi_send_cmd_msg()
840 message->bl_command.level = in applespi_send_cmd_msg()
841 cpu_to_le16(applespi->have_bl_level); in applespi_send_cmd_msg()
843 if (applespi->have_bl_level > 0) in applespi_send_cmd_msg()
844 message->bl_command.const2 = cpu_to_le16(0x01F4); in applespi_send_cmd_msg()
846 message->bl_command.const2 = cpu_to_le16(0x0001); in applespi_send_cmd_msg()
848 /* everything's up-to-date */ in applespi_send_cmd_msg()
854 packet->flags = PACKET_TYPE_WRITE; in applespi_send_cmd_msg()
855 packet->device = device; in applespi_send_cmd_msg()
856 packet->length = cpu_to_le16(MSG_HEADER_SIZE + msg_len); in applespi_send_cmd_msg()
858 message->counter = applespi->cmd_msg_cntr++ % (U8_MAX + 1); in applespi_send_cmd_msg()
860 message->length = cpu_to_le16(msg_len - 2); in applespi_send_cmd_msg()
861 if (!message->rsp_buf_len) in applespi_send_cmd_msg()
862 message->rsp_buf_len = message->length; in applespi_send_cmd_msg()
864 crc = crc16(0, (u8 *)message, le16_to_cpu(packet->length) - 2); in applespi_send_cmd_msg()
865 put_unaligned_le16(crc, &message->data[msg_len - 2]); in applespi_send_cmd_msg()
867 crc = crc16(0, (u8 *)packet, sizeof(*packet) - 2); in applespi_send_cmd_msg()
868 packet->crc16 = cpu_to_le16(crc); in applespi_send_cmd_msg()
871 sts = applespi_async(applespi, &applespi->wr_m, in applespi_send_cmd_msg()
874 dev_warn(&applespi->spi->dev, in applespi_send_cmd_msg()
879 applespi->cmd_msg_queued = ktime_get_coarse(); in applespi_send_cmd_msg()
880 applespi->write_active = true; in applespi_send_cmd_msg()
887 guard(spinlock_irqsave)(&applespi->cmd_msg_lock); in applespi_init()
890 applespi->want_mt_init_cmd = true; in applespi_init()
892 applespi->want_tp_info_cmd = true; in applespi_init()
899 guard(spinlock_irqsave)(&applespi->cmd_msg_lock); in applespi_set_capsl_led()
901 applespi->want_cl_led_on = capslock_on; in applespi_set_capsl_led()
911 guard(spinlock_irqsave)(&applespi->cmd_msg_lock); in applespi_set_bl_level()
914 applespi->want_bl_level = value; in applespi_set_bl_level()
921 applespi->want_bl_level = in applespi_set_bl_level()
936 applespi_set_capsl_led(applespi, !!test_bit(LED_CAPSL, dev->led)); in applespi_event()
940 return -EINVAL; in applespi_event()
944 /* convert 16-bit little endian to signed integer */
953 applespi->tp_dim_min_x = min(applespi->tp_dim_min_x, in applespi_debug_update_dimensions()
954 le16_to_int(f->abs_x)); in applespi_debug_update_dimensions()
955 applespi->tp_dim_max_x = max(applespi->tp_dim_max_x, in applespi_debug_update_dimensions()
956 le16_to_int(f->abs_x)); in applespi_debug_update_dimensions()
957 applespi->tp_dim_min_y = min(applespi->tp_dim_min_y, in applespi_debug_update_dimensions()
958 le16_to_int(f->abs_y)); in applespi_debug_update_dimensions()
959 applespi->tp_dim_max_y = max(applespi->tp_dim_max_y, in applespi_debug_update_dimensions()
960 le16_to_int(f->abs_y)); in applespi_debug_update_dimensions()
965 struct applespi_data *applespi = inode->i_private; in applespi_tp_dim_open()
967 file->private_data = applespi; in applespi_tp_dim_open()
969 snprintf(applespi->tp_dim_val, sizeof(applespi->tp_dim_val), in applespi_tp_dim_open()
971 applespi->touchpad_input_dev->id.product, in applespi_tp_dim_open()
972 applespi->tp_dim_min_x, applespi->tp_dim_min_y, in applespi_tp_dim_open()
973 applespi->tp_dim_max_x - applespi->tp_dim_min_x, in applespi_tp_dim_open()
974 applespi->tp_dim_max_y - applespi->tp_dim_min_y); in applespi_tp_dim_open()
982 struct applespi_data *applespi = file->private_data; in applespi_tp_dim_read()
984 return simple_read_from_buffer(buf, len, off, applespi->tp_dim_val, in applespi_tp_dim_read()
985 strlen(applespi->tp_dim_val)); in applespi_tp_dim_read()
1002 le16_to_int(f->touch_major) << 1); in report_finger_data()
1004 le16_to_int(f->touch_minor) << 1); in report_finger_data()
1006 le16_to_int(f->tool_major) << 1); in report_finger_data()
1008 le16_to_int(f->tool_minor) << 1); in report_finger_data()
1010 MAX_FINGER_ORIENTATION - le16_to_int(f->orientation)); in report_finger_data()
1011 input_report_abs(input, ABS_MT_POSITION_X, pos->x); in report_finger_data()
1012 input_report_abs(input, ABS_MT_POSITION_Y, pos->y); in report_finger_data()
1020 const struct applespi_tp_info *tp_info = &applespi->tp_info; in report_tp_state()
1024 input = smp_load_acquire(&applespi->touchpad_input_dev); in report_tp_state()
1030 for (i = 0; i < t->number_of_fingers; i++) { in report_tp_state()
1031 f = &t->fingers[i]; in report_tp_state()
1032 if (le16_to_int(f->touch_major) == 0) in report_tp_state()
1034 applespi->pos[n].x = le16_to_int(f->abs_x); in report_tp_state()
1035 applespi->pos[n].y = tp_info->y_min + tp_info->y_max - in report_tp_state()
1036 le16_to_int(f->abs_y); in report_tp_state()
1039 if (applespi->debug_tp_dim) in report_tp_state()
1043 input_mt_assign_slots(input, applespi->slots, applespi->pos, n, 0); in report_tp_state()
1046 report_finger_data(input, applespi->slots[i], in report_tp_state()
1047 &applespi->pos[i], &t->fingers[i]); in report_tp_state()
1050 input_report_key(input, BTN_LEFT, t->clicked); in report_tp_state()
1060 for (trans = table; trans->from; trans++) in applespi_find_translation()
1061 if (trans->from == key) in applespi_find_translation()
1074 if (trans->flags & APPLE_FLAG_FKEY) in applespi_translate_fn_key()
1081 key = trans->to; in applespi_translate_fn_key()
1093 key = trans->to; in applespi_translate_iso_layout()
1113 u8 bit = BIT((fnremap - 1) & 0x07); in applespi_remap_fn_key()
1116 !applespi_controlcodes[fnremap - 1]) in applespi_remap_fn_key()
1119 tmp = keyboard_protocol->fn_pressed; in applespi_remap_fn_key()
1120 keyboard_protocol->fn_pressed = !!(keyboard_protocol->modifiers & bit); in applespi_remap_fn_key()
1122 keyboard_protocol->modifiers |= bit; in applespi_remap_fn_key()
1124 keyboard_protocol->modifiers &= ~bit; in applespi_remap_fn_key()
1139 if (!memchr_inv(keyboard_protocol->keys_pressed, 1, MAX_ROLLOVER)) in applespi_handle_keyboard_event()
1147 if (memchr(keyboard_protocol->keys_pressed, in applespi_handle_keyboard_event()
1148 applespi->last_keys_pressed[i], MAX_ROLLOVER)) in applespi_handle_keyboard_event()
1151 key = applespi_code_to_key(applespi->last_keys_pressed[i], in applespi_handle_keyboard_event()
1152 applespi->last_keys_fn_pressed[i]); in applespi_handle_keyboard_event()
1153 input_report_key(applespi->keyboard_input_dev, key, 0); in applespi_handle_keyboard_event()
1154 applespi->last_keys_fn_pressed[i] = 0; in applespi_handle_keyboard_event()
1159 if (keyboard_protocol->keys_pressed[i] < in applespi_handle_keyboard_event()
1161 keyboard_protocol->keys_pressed[i] > 0) { in applespi_handle_keyboard_event()
1163 keyboard_protocol->keys_pressed[i], in applespi_handle_keyboard_event()
1164 keyboard_protocol->fn_pressed); in applespi_handle_keyboard_event()
1165 input_report_key(applespi->keyboard_input_dev, key, 1); in applespi_handle_keyboard_event()
1166 applespi->last_keys_fn_pressed[i] = in applespi_handle_keyboard_event()
1167 keyboard_protocol->fn_pressed; in applespi_handle_keyboard_event()
1173 if (keyboard_protocol->modifiers & BIT(i)) in applespi_handle_keyboard_event()
1174 input_report_key(applespi->keyboard_input_dev, in applespi_handle_keyboard_event()
1177 input_report_key(applespi->keyboard_input_dev, in applespi_handle_keyboard_event()
1182 if (keyboard_protocol->fn_pressed && !applespi->last_fn_pressed) in applespi_handle_keyboard_event()
1183 input_report_key(applespi->keyboard_input_dev, KEY_FN, 1); in applespi_handle_keyboard_event()
1184 else if (!keyboard_protocol->fn_pressed && applespi->last_fn_pressed) in applespi_handle_keyboard_event()
1185 input_report_key(applespi->keyboard_input_dev, KEY_FN, 0); in applespi_handle_keyboard_event()
1186 applespi->last_fn_pressed = keyboard_protocol->fn_pressed; in applespi_handle_keyboard_event()
1189 input_sync(applespi->keyboard_input_dev); in applespi_handle_keyboard_event()
1190 memcpy(&applespi->last_keys_pressed, keyboard_protocol->keys_pressed, in applespi_handle_keyboard_event()
1191 sizeof(applespi->last_keys_pressed)); in applespi_handle_keyboard_event()
1198 for (info = applespi_tp_models; info->model; info++) { in applespi_find_touchpad_info()
1199 if (info->model == model) in applespi_find_touchpad_info()
1200 return &info->tp_info; in applespi_find_touchpad_info()
1215 tp_info = applespi_find_touchpad_info(rcvd_tp_info->model_no); in applespi_register_touchpad_device()
1217 dev_warn(&applespi->spi->dev, in applespi_register_touchpad_device()
1218 "Unknown touchpad model %x - falling back to MB8 touchpad\n", in applespi_register_touchpad_device()
1219 rcvd_tp_info->model_no); in applespi_register_touchpad_device()
1223 applespi->tp_info = *tp_info; in applespi_register_touchpad_device()
1230 dev_info(&applespi->spi->dev, in applespi_register_touchpad_device()
1232 applespi->tp_info.x_min = x; in applespi_register_touchpad_device()
1233 applespi->tp_info.y_min = y; in applespi_register_touchpad_device()
1234 applespi->tp_info.x_max = x + w; in applespi_register_touchpad_device()
1235 applespi->tp_info.y_max = y + h; in applespi_register_touchpad_device()
1237 dev_warn(&applespi->spi->dev, in applespi_register_touchpad_device()
1246 applespi->tp_info.x_min, in applespi_register_touchpad_device()
1247 applespi->tp_info.y_min, in applespi_register_touchpad_device()
1248 applespi->tp_info.x_max - applespi->tp_info.x_min, in applespi_register_touchpad_device()
1249 applespi->tp_info.y_max - applespi->tp_info.y_min); in applespi_register_touchpad_device()
1253 touchpad_input_dev = devm_input_allocate_device(&applespi->spi->dev); in applespi_register_touchpad_device()
1255 dev_err(&applespi->spi->dev, in applespi_register_touchpad_device()
1257 return -ENOMEM; in applespi_register_touchpad_device()
1260 touchpad_input_dev->name = "Apple SPI Touchpad"; in applespi_register_touchpad_device()
1261 touchpad_input_dev->phys = "applespi/input1"; in applespi_register_touchpad_device()
1262 touchpad_input_dev->dev.parent = &applespi->spi->dev; in applespi_register_touchpad_device()
1263 touchpad_input_dev->id.bustype = BUS_SPI; in applespi_register_touchpad_device()
1264 touchpad_input_dev->id.vendor = SYNAPTICS_VENDOR_ID; in applespi_register_touchpad_device()
1265 touchpad_input_dev->id.product = in applespi_register_touchpad_device()
1266 rcvd_tp_info->model_no << 8 | rcvd_tp_info->model_flags; in applespi_register_touchpad_device()
1272 __set_bit(INPUT_PROP_POINTER, touchpad_input_dev->propbit); in applespi_register_touchpad_device()
1273 __set_bit(INPUT_PROP_BUTTONPAD, touchpad_input_dev->propbit); in applespi_register_touchpad_device()
1289 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, in applespi_register_touchpad_device()
1294 applespi->tp_info.x_min, applespi->tp_info.x_max, in applespi_register_touchpad_device()
1297 applespi->tp_info.y_min, applespi->tp_info.y_max, in applespi_register_touchpad_device()
1308 dev_err(&applespi->spi->dev, in applespi_register_touchpad_device()
1316 dev_err(&applespi->spi->dev, in applespi_register_touchpad_device()
1322 smp_store_release(&applespi->touchpad_input_dev, touchpad_input_dev); in applespi_register_touchpad_device()
1332 applespi_register_touchpad_device(applespi, &applespi->rcvd_tp_info); in applespi_worker()
1339 if (packet->device == PACKET_DEV_INFO && in applespi_handle_cmd_response()
1340 le16_to_cpu(message->type) == 0x1020) { in applespi_handle_cmd_response()
1345 applespi->rcvd_tp_info = message->tp_info; in applespi_handle_cmd_response()
1346 schedule_work(&applespi->work); in applespi_handle_cmd_response()
1350 if (le16_to_cpu(message->length) != 0x0000) { in applespi_handle_cmd_response()
1351 dev_warn_ratelimited(&applespi->spi->dev, in applespi_handle_cmd_response()
1353 le16_to_cpu(message->length)); in applespi_handle_cmd_response()
1357 if (packet->device == PACKET_DEV_TPAD && in applespi_handle_cmd_response()
1358 le16_to_cpu(message->type) == 0x0252 && in applespi_handle_cmd_response()
1359 le16_to_cpu(message->rsp_buf_len) == 0x0002) in applespi_handle_cmd_response()
1360 dev_info(&applespi->spi->dev, "modeswitch done.\n"); in applespi_handle_cmd_response()
1370 dev_warn_ratelimited(&applespi->spi->dev, in applespi_verify_crc()
1385 if (packet->flags == PACKET_TYPE_READ && in applespi_debug_print_read_packet()
1386 packet->device == PACKET_DEV_KEYB) in applespi_debug_print_read_packet()
1388 else if (packet->flags == PACKET_TYPE_READ && in applespi_debug_print_read_packet()
1389 packet->device == PACKET_DEV_TPAD) in applespi_debug_print_read_packet()
1391 else if (packet->flags == PACKET_TYPE_WRITE) in applespi_debug_print_read_packet()
1392 evt_type = applespi->cmd_evt_type; in applespi_debug_print_read_packet()
1396 applespi_get_trace_fun(evt_type)(evt_type, PT_READ, applespi->rx_buffer, in applespi_debug_print_read_packet()
1410 if (!applespi_verify_crc(applespi, applespi->rx_buffer, in applespi_got_data()
1412 guard(spinlock_irqsave)(&applespi->cmd_msg_lock); in applespi_got_data()
1414 if (applespi->drain) { in applespi_got_data()
1415 applespi->read_active = false; in applespi_got_data()
1416 applespi->write_active = false; in applespi_got_data()
1418 wake_up_all(&applespi->drain_complete); in applespi_got_data()
1424 packet = (struct spi_packet *)applespi->rx_buffer; in applespi_got_data()
1428 off = le16_to_cpu(packet->offset); in applespi_got_data()
1429 rem = le16_to_cpu(packet->remaining); in applespi_got_data()
1430 len = le16_to_cpu(packet->length); in applespi_got_data()
1432 if (len > sizeof(packet->data)) { in applespi_got_data()
1433 dev_warn_ratelimited(&applespi->spi->dev, in applespi_got_data()
1439 /* handle multi-packet messages */ in applespi_got_data()
1441 if (off != applespi->saved_msg_len) { in applespi_got_data()
1442 dev_warn_ratelimited(&applespi->spi->dev, in applespi_got_data()
1444 off, applespi->saved_msg_len); in applespi_got_data()
1449 dev_warn_ratelimited(&applespi->spi->dev, in applespi_got_data()
1456 dev_warn_ratelimited(&applespi->spi->dev, in applespi_got_data()
1462 memcpy(applespi->msg_buf + off, &packet->data, len); in applespi_got_data()
1463 applespi->saved_msg_len += len; in applespi_got_data()
1468 message = (struct message *)applespi->msg_buf; in applespi_got_data()
1469 msg_len = applespi->saved_msg_len; in applespi_got_data()
1471 message = (struct message *)&packet->data; in applespi_got_data()
1475 /* got complete message - verify */ in applespi_got_data()
1479 if (le16_to_cpu(message->length) != msg_len - MSG_HEADER_SIZE - 2) { in applespi_got_data()
1480 dev_warn_ratelimited(&applespi->spi->dev, in applespi_got_data()
1481 "Received corrupted packet (invalid message length %u - expected %u)\n", in applespi_got_data()
1482 le16_to_cpu(message->length), in applespi_got_data()
1483 msg_len - MSG_HEADER_SIZE - 2); in applespi_got_data()
1488 if (packet->flags == PACKET_TYPE_READ && in applespi_got_data()
1489 packet->device == PACKET_DEV_KEYB) { in applespi_got_data()
1490 applespi_handle_keyboard_event(applespi, &message->keyboard); in applespi_got_data()
1492 } else if (packet->flags == PACKET_TYPE_READ && in applespi_got_data()
1493 packet->device == PACKET_DEV_TPAD) { in applespi_got_data()
1497 tp = &message->touchpad; in applespi_got_data()
1498 tp_len = struct_size(tp, fingers, tp->number_of_fingers); in applespi_got_data()
1500 if (le16_to_cpu(message->length) + 2 != tp_len) { in applespi_got_data()
1501 dev_warn_ratelimited(&applespi->spi->dev, in applespi_got_data()
1502 "Received corrupted packet (invalid message length %u - num-fingers %u, tp-len %zu)\n", in applespi_got_data()
1503 le16_to_cpu(message->length), in applespi_got_data()
1504 tp->number_of_fingers, tp_len); in applespi_got_data()
1508 if (tp->number_of_fingers > MAX_FINGERS) { in applespi_got_data()
1509 dev_warn_ratelimited(&applespi->spi->dev, in applespi_got_data()
1511 tp->number_of_fingers, in applespi_got_data()
1513 tp->number_of_fingers = MAX_FINGERS; in applespi_got_data()
1518 } else if (packet->flags == PACKET_TYPE_WRITE) { in applespi_got_data()
1523 applespi->saved_msg_len = 0; in applespi_got_data()
1525 applespi_msg_complete(applespi, packet->flags == PACKET_TYPE_WRITE, in applespi_got_data()
1533 if (applespi->rd_m.status < 0) { in applespi_async_read_complete()
1534 dev_warn(&applespi->spi->dev, "Error reading from device: %d\n", in applespi_async_read_complete()
1535 applespi->rd_m.status); in applespi_async_read_complete()
1546 acpi_finish_gpe(NULL, applespi->gpe); in applespi_async_read_complete()
1556 guard(spinlock_irqsave)(&applespi->cmd_msg_lock); in applespi_notify()
1558 if (!applespi->suspended) { in applespi_notify()
1559 sts = applespi_async(applespi, &applespi->rd_m, in applespi_notify()
1562 dev_warn(&applespi->spi->dev, in applespi_notify()
1566 applespi->read_active = true; in applespi_notify()
1582 dev_warn(&applespi->spi->dev, in applespi_get_saved_bl_level()
1586 return sts != EFI_SUCCESS ? -ENODEV : efi_data; in applespi_get_saved_bl_level()
1604 dev_warn(&applespi->spi->dev, in applespi_save_bl_level()
1611 acpi_handle spi_handle = ACPI_HANDLE(&spi->dev); in applespi_probe()
1620 dev_info(&spi->dev, "USB interface already enabled\n"); in applespi_probe()
1621 return -ENODEV; in applespi_probe()
1625 applespi = devm_kzalloc(&spi->dev, sizeof(*applespi), GFP_KERNEL); in applespi_probe()
1627 return -ENOMEM; in applespi_probe()
1629 applespi->spi = spi; in applespi_probe()
1631 INIT_WORK(&applespi->work, applespi_worker); in applespi_probe()
1637 applespi->tx_buffer = devm_kmalloc(&spi->dev, APPLESPI_PACKET_SIZE, in applespi_probe()
1639 applespi->tx_status = devm_kmalloc(&spi->dev, APPLESPI_STATUS_SIZE, in applespi_probe()
1641 applespi->rx_buffer = devm_kmalloc(&spi->dev, APPLESPI_PACKET_SIZE, in applespi_probe()
1643 applespi->msg_buf = devm_kmalloc_array(&spi->dev, MAX_PKTS_PER_MSG, in applespi_probe()
1647 if (!applespi->tx_buffer || !applespi->tx_status || in applespi_probe()
1648 !applespi->rx_buffer || !applespi->msg_buf) in applespi_probe()
1649 return -ENOMEM; in applespi_probe()
1656 acpi_sts = acpi_get_handle(spi_handle, "SIEN", &applespi->sien); in applespi_probe()
1658 dev_err(&applespi->spi->dev, in applespi_probe()
1661 return -ENODEV; in applespi_probe()
1664 acpi_sts = acpi_get_handle(spi_handle, "SIST", &applespi->sist); in applespi_probe()
1666 dev_err(&applespi->spi->dev, in applespi_probe()
1669 return -ENODEV; in applespi_probe()
1682 applespi->keyboard_input_dev = devm_input_allocate_device(&spi->dev); in applespi_probe()
1684 if (!applespi->keyboard_input_dev) in applespi_probe()
1685 return -ENOMEM; in applespi_probe()
1687 applespi->keyboard_input_dev->name = "Apple SPI Keyboard"; in applespi_probe()
1688 applespi->keyboard_input_dev->phys = "applespi/input0"; in applespi_probe()
1689 applespi->keyboard_input_dev->dev.parent = &spi->dev; in applespi_probe()
1690 applespi->keyboard_input_dev->id.bustype = BUS_SPI; in applespi_probe()
1692 applespi->keyboard_input_dev->evbit[0] = in applespi_probe()
1694 applespi->keyboard_input_dev->ledbit[0] = BIT_MASK(LED_CAPSL); in applespi_probe()
1696 input_set_drvdata(applespi->keyboard_input_dev, applespi); in applespi_probe()
1697 applespi->keyboard_input_dev->event = applespi_event; in applespi_probe()
1701 input_set_capability(applespi->keyboard_input_dev, in applespi_probe()
1706 input_set_capability(applespi->keyboard_input_dev, in applespi_probe()
1711 input_set_capability(applespi->keyboard_input_dev, in applespi_probe()
1714 input_set_capability(applespi->keyboard_input_dev, EV_KEY, KEY_FN); in applespi_probe()
1716 sts = input_register_device(applespi->keyboard_input_dev); in applespi_probe()
1718 dev_err(&applespi->spi->dev, in applespi_probe()
1720 return -ENODEV; in applespi_probe()
1729 dev_err(&applespi->spi->dev, in applespi_probe()
1732 return -ENODEV; in applespi_probe()
1734 applespi->gpe = (int)gpe; in applespi_probe()
1736 acpi_sts = acpi_install_gpe_handler(NULL, applespi->gpe, in applespi_probe()
1740 dev_err(&applespi->spi->dev, in applespi_probe()
1742 applespi->gpe, acpi_format_exception(acpi_sts)); in applespi_probe()
1743 return -ENODEV; in applespi_probe()
1746 applespi->suspended = false; in applespi_probe()
1748 acpi_sts = acpi_enable_gpe(NULL, applespi->gpe); in applespi_probe()
1750 dev_err(&applespi->spi->dev, in applespi_probe()
1752 applespi->gpe, acpi_format_exception(acpi_sts)); in applespi_probe()
1753 acpi_remove_gpe_handler(NULL, applespi->gpe, applespi_notify); in applespi_probe()
1754 return -ENODEV; in applespi_probe()
1765 device_wakeup_enable(&spi->dev); in applespi_probe()
1767 /* set up keyboard-backlight */ in applespi_probe()
1770 applespi_set_bl_level(&applespi->backlight_info, sts); in applespi_probe()
1772 applespi->backlight_info.name = "spi::kbd_backlight"; in applespi_probe()
1773 applespi->backlight_info.default_trigger = "kbd-backlight"; in applespi_probe()
1774 applespi->backlight_info.brightness_set = applespi_set_bl_level; in applespi_probe()
1776 sts = devm_led_classdev_register(&spi->dev, &applespi->backlight_info); in applespi_probe()
1778 dev_warn(&applespi->spi->dev, in applespi_probe()
1783 applespi->debugfs_root = debugfs_create_dir("applespi", NULL); in applespi_probe()
1785 debugfs_create_bool("enable_tp_dim", 0600, applespi->debugfs_root, in applespi_probe()
1786 &applespi->debug_tp_dim); in applespi_probe()
1788 debugfs_create_file("tp_dim", 0400, applespi->debugfs_root, applespi, in applespi_probe()
1796 guard(spinlock_irqsave)(&applespi->cmd_msg_lock); in applespi_drain_writes()
1798 applespi->drain = true; in applespi_drain_writes()
1799 wait_event_lock_irq(applespi->drain_complete, !applespi->write_active, in applespi_drain_writes()
1800 applespi->cmd_msg_lock); in applespi_drain_writes()
1805 guard(spinlock_irqsave)(&applespi->cmd_msg_lock); in applespi_drain_reads()
1807 wait_event_lock_irq(applespi->drain_complete, !applespi->read_active, in applespi_drain_reads()
1808 applespi->cmd_msg_lock); in applespi_drain_reads()
1810 applespi->suspended = true; in applespi_drain_reads()
1819 acpi_disable_gpe(NULL, applespi->gpe); in applespi_remove()
1820 acpi_remove_gpe_handler(NULL, applespi->gpe, applespi_notify); in applespi_remove()
1821 device_wakeup_disable(&spi->dev); in applespi_remove()
1825 debugfs_remove_recursive(applespi->debugfs_root); in applespi_remove()
1832 applespi_save_bl_level(applespi, applespi->have_bl_level); in applespi_shutdown()
1840 applespi_save_bl_level(applespi, applespi->have_bl_level); in applespi_poweroff_late()
1852 /* turn off caps-lock - it'll stay on otherwise */ in applespi_suspend()
1855 dev_warn(&applespi->spi->dev, in applespi_suspend()
1856 "Failed to turn off caps-lock led (%d)\n", sts); in applespi_suspend()
1861 acpi_sts = acpi_disable_gpe(NULL, applespi->gpe); in applespi_suspend()
1863 dev_err(&applespi->spi->dev, in applespi_suspend()
1865 applespi->gpe, acpi_format_exception(acpi_sts)); in applespi_suspend()
1879 scoped_guard(spinlock_irqsave, &applespi->cmd_msg_lock) { in applespi_resume()
1880 applespi->drain = false; in applespi_resume()
1881 applespi->have_cl_led_on = false; in applespi_resume()
1882 applespi->have_bl_level = 0; in applespi_resume()
1883 applespi->cmd_msg_queued = 0; in applespi_resume()
1884 applespi->read_active = false; in applespi_resume()
1885 applespi->write_active = false; in applespi_resume()
1887 applespi->suspended = false; in applespi_resume()
1893 /* re-enable the interrupt */ in applespi_resume()
1894 acpi_sts = acpi_enable_gpe(NULL, applespi->gpe); in applespi_resume()
1896 dev_err(&applespi->spi->dev, in applespi_resume()
1897 "Failed to re-enable GPE handler for GPE %d: %s\n", in applespi_resume()
1898 applespi->gpe, acpi_format_exception(acpi_sts)); in applespi_resume()