229 static int cyapa_gen3_try_poll_handler(struct cyapa *cyapa);
244 ssize_t cyapa_smbus_read_block(struct cyapa *cyapa, u8 cmd, size_t len,  in cyapa_smbus_read_block()  argument
251 	struct i2c_client *client = cyapa->client;  in cyapa_smbus_read_block()
277 static s32 cyapa_read_byte(struct cyapa *cyapa, u8 cmd_idx)  in cyapa_read_byte()  argument
281 	if (cyapa->smbus) {  in cyapa_read_byte()
287 	return i2c_smbus_read_byte_data(cyapa->client, cmd);  in cyapa_read_byte()
290 static s32 cyapa_write_byte(struct cyapa *cyapa, u8 cmd_idx, u8 value)  in cyapa_write_byte()  argument
294 	if (cyapa->smbus) {  in cyapa_write_byte()
300 	return i2c_smbus_write_byte_data(cyapa->client, cmd, value);  in cyapa_write_byte()
303 ssize_t cyapa_i2c_reg_read_block(struct cyapa *cyapa, u8 reg, size_t len,  in cyapa_i2c_reg_read_block()  argument
306 	return i2c_smbus_read_i2c_block_data(cyapa->client, reg, len, values);  in cyapa_i2c_reg_read_block()
309 static ssize_t cyapa_i2c_reg_write_block(struct cyapa *cyapa, u8 reg,  in cyapa_i2c_reg_write_block()  argument
312 	return i2c_smbus_write_i2c_block_data(cyapa->client, reg, len, values);  in cyapa_i2c_reg_write_block()
315 ssize_t cyapa_read_block(struct cyapa *cyapa, u8 cmd_idx, u8 *values)  in cyapa_read_block()  argument
320 	if (cyapa->smbus) {  in cyapa_read_block()
323 		return cyapa_smbus_read_block(cyapa, cmd, len, values);  in cyapa_read_block()
327 	return cyapa_i2c_reg_read_block(cyapa, cmd, len, values);  in cyapa_read_block()
334 static int cyapa_gen3_state_parse(struct cyapa *cyapa, u8 *reg_data, int len)  in cyapa_gen3_state_parse()  argument
336 	cyapa->state = CYAPA_STATE_NO_DEVICE;  in cyapa_gen3_state_parse()
349 		cyapa->gen = CYAPA_GEN3;  in cyapa_gen3_state_parse()
350 		cyapa->state = CYAPA_STATE_BL_IDLE;  in cyapa_gen3_state_parse()
354 		cyapa->gen = CYAPA_GEN3;  in cyapa_gen3_state_parse()
356 			cyapa->state = CYAPA_STATE_BL_BUSY;  in cyapa_gen3_state_parse()
360 				cyapa->state = CYAPA_STATE_BL_ACTIVE;  in cyapa_gen3_state_parse()
362 				cyapa->state = CYAPA_STATE_BL_IDLE;  in cyapa_gen3_state_parse()
374 			cyapa->gen = CYAPA_GEN3;  in cyapa_gen3_state_parse()
375 			cyapa->state = CYAPA_STATE_OP;  in cyapa_gen3_state_parse()
380 		cyapa->gen = CYAPA_GEN3;  in cyapa_gen3_state_parse()
381 		cyapa->state = CYAPA_STATE_OP;  in cyapa_gen3_state_parse()
384 		cyapa->gen = CYAPA_GEN3;  in cyapa_gen3_state_parse()
385 		cyapa->state = CYAPA_STATE_BL_BUSY;  in cyapa_gen3_state_parse()
388 	if (cyapa->gen == CYAPA_GEN3 && (cyapa->state == CYAPA_STATE_OP ||  in cyapa_gen3_state_parse()
389 		cyapa->state == CYAPA_STATE_BL_IDLE ||  in cyapa_gen3_state_parse()
390 		cyapa->state == CYAPA_STATE_BL_ACTIVE ||  in cyapa_gen3_state_parse()
391 		cyapa->state == CYAPA_STATE_BL_BUSY))  in cyapa_gen3_state_parse()
409 static int cyapa_gen3_bl_enter(struct cyapa *cyapa)  in cyapa_gen3_bl_enter()  argument
414 	error = cyapa_poll_state(cyapa, 500);  in cyapa_gen3_bl_enter()
417 	if (cyapa->state == CYAPA_STATE_BL_IDLE) {  in cyapa_gen3_bl_enter()
422 	if (cyapa->state != CYAPA_STATE_OP)  in cyapa_gen3_bl_enter()
425 	cyapa->operational = false;  in cyapa_gen3_bl_enter()
426 	cyapa->state = CYAPA_STATE_NO_DEVICE;  in cyapa_gen3_bl_enter()
427 	error = cyapa_write_byte(cyapa, CYAPA_CMD_SOFT_RESET, 0x01);  in cyapa_gen3_bl_enter()
434 		error = cyapa_poll_state(cyapa, 500);  in cyapa_gen3_bl_enter()
443 		if ((cyapa->state == CYAPA_STATE_BL_IDLE) &&  in cyapa_gen3_bl_enter()
444 			!(cyapa->status[REG_BL_STATUS] & BL_STATUS_WATCHDOG))  in cyapa_gen3_bl_enter()
451 	if ((cyapa->state != CYAPA_STATE_BL_IDLE) ||  in cyapa_gen3_bl_enter()
452 		(cyapa->status[REG_BL_STATUS] & BL_STATUS_WATCHDOG))  in cyapa_gen3_bl_enter()
458 static int cyapa_gen3_bl_activate(struct cyapa *cyapa)  in cyapa_gen3_bl_activate()  argument
462 	error = cyapa_i2c_reg_write_block(cyapa, 0, sizeof(bl_activate),  in cyapa_gen3_bl_activate()
469 	error = cyapa_poll_state(cyapa, 11000);  in cyapa_gen3_bl_activate()
472 	if (cyapa->state != CYAPA_STATE_BL_ACTIVE)  in cyapa_gen3_bl_activate()
478 static int cyapa_gen3_bl_deactivate(struct cyapa *cyapa)  in cyapa_gen3_bl_deactivate()  argument
482 	error = cyapa_i2c_reg_write_block(cyapa, 0, sizeof(bl_deactivate),  in cyapa_gen3_bl_deactivate()
489 	error = cyapa_poll_state(cyapa, 500);  in cyapa_gen3_bl_deactivate()
492 	if (cyapa->state != CYAPA_STATE_BL_IDLE)  in cyapa_gen3_bl_deactivate()
510 static int cyapa_gen3_bl_exit(struct cyapa *cyapa)  in cyapa_gen3_bl_exit()  argument
514 	error = cyapa_i2c_reg_write_block(cyapa, 0, sizeof(bl_exit), bl_exit);  in cyapa_gen3_bl_exit()
529 	error = cyapa_poll_state(cyapa, 4000);  in cyapa_gen3_bl_exit()
532 	if (cyapa->state != CYAPA_STATE_OP)  in cyapa_gen3_bl_exit()
564 static int cyapa_gen3_check_fw(struct cyapa *cyapa, const struct firmware *fw)  in cyapa_gen3_check_fw()  argument
566 	struct device *dev = &cyapa->client->dev;  in cyapa_gen3_check_fw()
608 static int cyapa_gen3_write_buffer(struct cyapa *cyapa,  in cyapa_gen3_write_buffer()  argument
623 		error = cyapa_i2c_reg_write_block(cyapa, 0, cmd_len + 1, cmd);  in cyapa_gen3_write_buffer()
646 static int cyapa_gen3_write_fw_block(struct cyapa *cyapa,  in cyapa_gen3_write_fw_block()  argument
666 	ret = cyapa_gen3_write_buffer(cyapa, (u8 *)&write_block_cmd,  in cyapa_gen3_write_fw_block()
677 		ret = cyapa_i2c_reg_read_block(cyapa, BL_HEAD_OFFSET,  in cyapa_gen3_write_fw_block()
698 static int cyapa_gen3_write_blocks(struct cyapa *cyapa,  in cyapa_gen3_write_blocks()  argument
710 		error = cyapa_gen3_write_fw_block(cyapa, block, data);  in cyapa_gen3_write_blocks()
717 static int cyapa_gen3_do_fw_update(struct cyapa *cyapa,  in cyapa_gen3_do_fw_update()  argument
720 	struct device *dev = &cyapa->client->dev;  in cyapa_gen3_do_fw_update()
724 	error = cyapa_gen3_write_blocks(cyapa,  in cyapa_gen3_do_fw_update()
733 	error = cyapa_gen3_write_blocks(cyapa,  in cyapa_gen3_do_fw_update()
748 	struct cyapa *cyapa = dev_get_drvdata(dev);  in cyapa_gen3_do_calibrate()  local
752 	ret = cyapa_read_byte(cyapa, CYAPA_CMD_DEV_STATUS);  in cyapa_gen3_do_calibrate()
764 	ret = cyapa_write_byte(cyapa, CYAPA_CMD_SOFT_RESET,  in cyapa_gen3_do_calibrate()
781 		ret = cyapa_read_byte(cyapa, CYAPA_CMD_DEV_STATUS);  in cyapa_gen3_do_calibrate()
802 	struct cyapa *cyapa = dev_get_drvdata(dev);  in cyapa_gen3_show_baseline()  local
807 	ret = cyapa_read_byte(cyapa, CYAPA_CMD_DEV_STATUS);  in cyapa_gen3_show_baseline()
819 	ret = cyapa_write_byte(cyapa, CYAPA_CMD_SOFT_RESET,  in cyapa_gen3_show_baseline()
831 		ret = cyapa_read_byte(cyapa, CYAPA_CMD_DEV_STATUS);  in cyapa_gen3_show_baseline()
847 	ret = cyapa_read_byte(cyapa, CYAPA_CMD_MAX_BASELINE);  in cyapa_gen3_show_baseline()
854 	ret = cyapa_read_byte(cyapa, CYAPA_CMD_MIN_BASELINE);  in cyapa_gen3_show_baseline()
907 static int cyapa_gen3_set_power_mode(struct cyapa *cyapa, u8 power_mode,  in cyapa_gen3_set_power_mode()  argument
910 	struct input_dev *input = cyapa->input;  in cyapa_gen3_set_power_mode()
917 	if (cyapa->state != CYAPA_STATE_OP)  in cyapa_gen3_set_power_mode()
922 		ret = cyapa_read_byte(cyapa, CYAPA_CMD_POWER_MODE);  in cyapa_gen3_set_power_mode()
943 		ret = cyapa_write_byte(cyapa, CYAPA_CMD_POWER_MODE, power);  in cyapa_gen3_set_power_mode()
955 	if (cyapa->operational &&  in cyapa_gen3_set_power_mode()
967 			cyapa_gen3_try_poll_handler(cyapa);  in cyapa_gen3_set_power_mode()
976 static int cyapa_gen3_set_proximity(struct cyapa *cyapa, bool enable)  in cyapa_gen3_set_proximity()  argument
981 static int cyapa_gen3_get_query_data(struct cyapa *cyapa)  in cyapa_gen3_get_query_data()  argument
986 	if (cyapa->state != CYAPA_STATE_OP)  in cyapa_gen3_get_query_data()
989 	ret = cyapa_read_block(cyapa, CYAPA_CMD_GROUP_QUERY, query_data);  in cyapa_gen3_get_query_data()
993 	memcpy(&cyapa->product_id[0], &query_data[0], 5);  in cyapa_gen3_get_query_data()
994 	cyapa->product_id[5] = '-';  in cyapa_gen3_get_query_data()
995 	memcpy(&cyapa->product_id[6], &query_data[5], 6);  in cyapa_gen3_get_query_data()
996 	cyapa->product_id[12] = '-';  in cyapa_gen3_get_query_data()
997 	memcpy(&cyapa->product_id[13], &query_data[11], 2);  in cyapa_gen3_get_query_data()
998 	cyapa->product_id[15] = '\0';  in cyapa_gen3_get_query_data()
1000 	cyapa->fw_maj_ver = query_data[15];  in cyapa_gen3_get_query_data()
1001 	cyapa->fw_min_ver = query_data[16];  in cyapa_gen3_get_query_data()
1003 	cyapa->btn_capability = query_data[19] & CAPABILITY_BTN_MASK;  in cyapa_gen3_get_query_data()
1005 	cyapa->gen = query_data[20] & 0x0f;  in cyapa_gen3_get_query_data()
1007 	cyapa->max_abs_x = ((query_data[21] & 0xf0) << 4) | query_data[22];  in cyapa_gen3_get_query_data()
1008 	cyapa->max_abs_y = ((query_data[21] & 0x0f) << 8) | query_data[23];  in cyapa_gen3_get_query_data()
1010 	cyapa->physical_size_x =  in cyapa_gen3_get_query_data()
1012 	cyapa->physical_size_y =  in cyapa_gen3_get_query_data()
1015 	cyapa->max_z = 255;  in cyapa_gen3_get_query_data()
1020 static int cyapa_gen3_bl_query_data(struct cyapa *cyapa)  in cyapa_gen3_bl_query_data()  argument
1025 	ret = cyapa_i2c_reg_read_block(cyapa, 0, CYAPA_CMD_LEN, bl_data);  in cyapa_gen3_bl_query_data()
1037 		cyapa->fw_maj_ver = bl_data[GEN3_BL_IDLE_FW_MAJ_VER_OFFSET];  in cyapa_gen3_bl_query_data()
1038 		cyapa->fw_min_ver = bl_data[GEN3_BL_IDLE_FW_MIN_VER_OFFSET];  in cyapa_gen3_bl_query_data()
1058 static int cyapa_gen3_do_operational_check(struct cyapa *cyapa)  in cyapa_gen3_do_operational_check()  argument
1060 	struct device *dev = &cyapa->client->dev;  in cyapa_gen3_do_operational_check()
1063 	switch (cyapa->state) {  in cyapa_gen3_do_operational_check()
1065 		error = cyapa_gen3_bl_deactivate(cyapa);  in cyapa_gen3_do_operational_check()
1074 		cyapa_gen3_bl_query_data(cyapa);  in cyapa_gen3_do_operational_check()
1076 		error = cyapa_gen3_bl_exit(cyapa);  in cyapa_gen3_do_operational_check()
1088 		error = cyapa_gen3_set_power_mode(cyapa,  in cyapa_gen3_do_operational_check()
1093 		error = cyapa_gen3_get_query_data(cyapa);  in cyapa_gen3_do_operational_check()
1098 		if (cyapa->gen != CYAPA_GEN3) {  in cyapa_gen3_do_operational_check()
1100 				cyapa->gen);  in cyapa_gen3_do_operational_check()
1105 		if (memcmp(cyapa->product_id, product_id,  in cyapa_gen3_do_operational_check()
1108 				cyapa->product_id);  in cyapa_gen3_do_operational_check()
1124 static bool cyapa_gen3_irq_cmd_handler(struct cyapa *cyapa)  in cyapa_gen3_irq_cmd_handler()  argument
1127 	if (cyapa->gen != CYAPA_GEN3)  in cyapa_gen3_irq_cmd_handler()
1130 	if (cyapa->operational)  in cyapa_gen3_irq_cmd_handler()
1145 static int cyapa_gen3_event_process(struct cyapa *cyapa,  in cyapa_gen3_event_process()  argument
1148 	struct input_dev *input = cyapa->input;  in cyapa_gen3_event_process()
1169 	if (cyapa->btn_capability & CAPABILITY_LEFT_BTN_MASK)  in cyapa_gen3_event_process()
1172 	if (cyapa->btn_capability & CAPABILITY_MIDDLE_BTN_MASK)  in cyapa_gen3_event_process()
1175 	if (cyapa->btn_capability & CAPABILITY_RIGHT_BTN_MASK)  in cyapa_gen3_event_process()
1183 static int cyapa_gen3_irq_handler(struct cyapa *cyapa)  in cyapa_gen3_irq_handler()  argument
1185 	struct device *dev = &cyapa->client->dev;  in cyapa_gen3_irq_handler()
1189 	ret = cyapa_read_block(cyapa, CYAPA_CMD_GROUP_DATA, (u8 *)&data);  in cyapa_gen3_irq_handler()
1203 	return cyapa_gen3_event_process(cyapa, &data);  in cyapa_gen3_irq_handler()
1212 static int cyapa_gen3_try_poll_handler(struct cyapa *cyapa)  in cyapa_gen3_try_poll_handler()  argument
1217 	ret = cyapa_read_block(cyapa, CYAPA_CMD_GROUP_DATA, (u8 *)&data);  in cyapa_gen3_try_poll_handler()
1226 	return cyapa_gen3_event_process(cyapa, &data);  in cyapa_gen3_try_poll_handler()
1230 static int cyapa_gen3_initialize(struct cyapa *cyapa) { return 0; }  in cyapa_gen3_initialize()  argument
1231 static int cyapa_gen3_bl_initiate(struct cyapa *cyapa,  in cyapa_gen3_bl_initiate()  argument
1233 static int cyapa_gen3_empty_output_data(struct cyapa *cyapa,  in cyapa_gen3_empty_output_data()  argument