286 ssize_t cyapa_smbus_read_block(struct cyapa *cyapa, u8 cmd, size_t len,  in cyapa_smbus_read_block()  argument
293 	struct i2c_client *client = cyapa->client;  in cyapa_smbus_read_block()
319 static s32 cyapa_read_byte(struct cyapa *cyapa, u8 cmd_idx)  in cyapa_read_byte()  argument
323 	if (cyapa->smbus) {  in cyapa_read_byte()
329 	return i2c_smbus_read_byte_data(cyapa->client, cmd);  in cyapa_read_byte()
332 static s32 cyapa_write_byte(struct cyapa *cyapa, u8 cmd_idx, u8 value)  in cyapa_write_byte()  argument
336 	if (cyapa->smbus) {  in cyapa_write_byte()
342 	return i2c_smbus_write_byte_data(cyapa->client, cmd, value);  in cyapa_write_byte()
345 ssize_t cyapa_i2c_reg_read_block(struct cyapa *cyapa, u8 reg, size_t len,  in cyapa_i2c_reg_read_block()  argument
348 	return i2c_smbus_read_i2c_block_data(cyapa->client, reg, len, values);  in cyapa_i2c_reg_read_block()
351 static ssize_t cyapa_i2c_reg_write_block(struct cyapa *cyapa, u8 reg,  in cyapa_i2c_reg_write_block()  argument
354 	return i2c_smbus_write_i2c_block_data(cyapa->client, reg, len, values);  in cyapa_i2c_reg_write_block()
357 ssize_t cyapa_read_block(struct cyapa *cyapa, u8 cmd_idx, u8 *values)  in cyapa_read_block()  argument
362 	if (cyapa->smbus) {  in cyapa_read_block()
365 		return cyapa_smbus_read_block(cyapa, cmd, len, values);  in cyapa_read_block()
369 	return cyapa_i2c_reg_read_block(cyapa, cmd, len, values);  in cyapa_read_block()
376 static int cyapa_gen3_state_parse(struct cyapa *cyapa, u8 *reg_data, int len)  in cyapa_gen3_state_parse()  argument
378 	cyapa->state = CYAPA_STATE_NO_DEVICE;  in cyapa_gen3_state_parse()
391 		cyapa->gen = CYAPA_GEN3;  in cyapa_gen3_state_parse()
392 		cyapa->state = CYAPA_STATE_BL_IDLE;  in cyapa_gen3_state_parse()
396 		cyapa->gen = CYAPA_GEN3;  in cyapa_gen3_state_parse()
398 			cyapa->state = CYAPA_STATE_BL_BUSY;  in cyapa_gen3_state_parse()
402 				cyapa->state = CYAPA_STATE_BL_ACTIVE;  in cyapa_gen3_state_parse()
404 				cyapa->state = CYAPA_STATE_BL_IDLE;  in cyapa_gen3_state_parse()
416 			cyapa->gen = CYAPA_GEN3;  in cyapa_gen3_state_parse()
417 			cyapa->state = CYAPA_STATE_OP;  in cyapa_gen3_state_parse()
422 		cyapa->gen = CYAPA_GEN3;  in cyapa_gen3_state_parse()
423 		cyapa->state = CYAPA_STATE_OP;  in cyapa_gen3_state_parse()
426 		cyapa->gen = CYAPA_GEN3;  in cyapa_gen3_state_parse()
427 		cyapa->state = CYAPA_STATE_BL_BUSY;  in cyapa_gen3_state_parse()
430 	if (cyapa->gen == CYAPA_GEN3 && (cyapa->state == CYAPA_STATE_OP ||  in cyapa_gen3_state_parse()
431 		cyapa->state == CYAPA_STATE_BL_IDLE ||  in cyapa_gen3_state_parse()
432 		cyapa->state == CYAPA_STATE_BL_ACTIVE ||  in cyapa_gen3_state_parse()
433 		cyapa->state == CYAPA_STATE_BL_BUSY))  in cyapa_gen3_state_parse()
451 static int cyapa_gen3_bl_enter(struct cyapa *cyapa)  in cyapa_gen3_bl_enter()  argument
456 	error = cyapa_poll_state(cyapa, 500);  in cyapa_gen3_bl_enter()
459 	if (cyapa->state == CYAPA_STATE_BL_IDLE) {  in cyapa_gen3_bl_enter()
464 	if (cyapa->state != CYAPA_STATE_OP)  in cyapa_gen3_bl_enter()
467 	cyapa->operational = false;  in cyapa_gen3_bl_enter()
468 	cyapa->state = CYAPA_STATE_NO_DEVICE;  in cyapa_gen3_bl_enter()
469 	error = cyapa_write_byte(cyapa, CYAPA_CMD_SOFT_RESET, 0x01);  in cyapa_gen3_bl_enter()
476 		error = cyapa_poll_state(cyapa, 500);  in cyapa_gen3_bl_enter()
485 		if ((cyapa->state == CYAPA_STATE_BL_IDLE) &&  in cyapa_gen3_bl_enter()
486 			!(cyapa->status[REG_BL_STATUS] & BL_STATUS_WATCHDOG))  in cyapa_gen3_bl_enter()
493 	if ((cyapa->state != CYAPA_STATE_BL_IDLE) ||  in cyapa_gen3_bl_enter()
494 		(cyapa->status[REG_BL_STATUS] & BL_STATUS_WATCHDOG))  in cyapa_gen3_bl_enter()
500 static int cyapa_gen3_bl_activate(struct cyapa *cyapa)  in cyapa_gen3_bl_activate()  argument
504 	error = cyapa_i2c_reg_write_block(cyapa, 0, sizeof(bl_activate),  in cyapa_gen3_bl_activate()
511 	error = cyapa_poll_state(cyapa, 11000);  in cyapa_gen3_bl_activate()
514 	if (cyapa->state != CYAPA_STATE_BL_ACTIVE)  in cyapa_gen3_bl_activate()
520 static int cyapa_gen3_bl_deactivate(struct cyapa *cyapa)  in cyapa_gen3_bl_deactivate()  argument
524 	error = cyapa_i2c_reg_write_block(cyapa, 0, sizeof(bl_deactivate),  in cyapa_gen3_bl_deactivate()
531 	error = cyapa_poll_state(cyapa, 500);  in cyapa_gen3_bl_deactivate()
534 	if (cyapa->state != CYAPA_STATE_BL_IDLE)  in cyapa_gen3_bl_deactivate()
552 static int cyapa_gen3_bl_exit(struct cyapa *cyapa)  in cyapa_gen3_bl_exit()  argument
556 	error = cyapa_i2c_reg_write_block(cyapa, 0, sizeof(bl_exit), bl_exit);  in cyapa_gen3_bl_exit()
571 	error = cyapa_poll_state(cyapa, 4000);  in cyapa_gen3_bl_exit()
574 	if (cyapa->state != CYAPA_STATE_OP)  in cyapa_gen3_bl_exit()
606 static int cyapa_gen3_check_fw(struct cyapa *cyapa, const struct firmware *fw)  in cyapa_gen3_check_fw()  argument
608 	struct device *dev = &cyapa->client->dev;  in cyapa_gen3_check_fw()
650 static int cyapa_gen3_write_buffer(struct cyapa *cyapa,  in cyapa_gen3_write_buffer()  argument
665 		error = cyapa_i2c_reg_write_block(cyapa, 0, cmd_len + 1, cmd);  in cyapa_gen3_write_buffer()
688 static int cyapa_gen3_write_fw_block(struct cyapa *cyapa,  in cyapa_gen3_write_fw_block()  argument
708 	ret = cyapa_gen3_write_buffer(cyapa, (u8 *)&write_block_cmd,  in cyapa_gen3_write_fw_block()
719 		ret = cyapa_i2c_reg_read_block(cyapa, BL_HEAD_OFFSET,  in cyapa_gen3_write_fw_block()
740 static int cyapa_gen3_write_blocks(struct cyapa *cyapa,  in cyapa_gen3_write_blocks()  argument
752 		error = cyapa_gen3_write_fw_block(cyapa, block, data);  in cyapa_gen3_write_blocks()
759 static int cyapa_gen3_do_fw_update(struct cyapa *cyapa,  in cyapa_gen3_do_fw_update()  argument
762 	struct device *dev = &cyapa->client->dev;  in cyapa_gen3_do_fw_update()
766 	error = cyapa_gen3_write_blocks(cyapa,  in cyapa_gen3_do_fw_update()
775 	error = cyapa_gen3_write_blocks(cyapa,  in cyapa_gen3_do_fw_update()
790 	struct cyapa *cyapa = dev_get_drvdata(dev);  in cyapa_gen3_do_calibrate()  local
794 	ret = cyapa_read_byte(cyapa, CYAPA_CMD_DEV_STATUS);  in cyapa_gen3_do_calibrate()
806 	ret = cyapa_write_byte(cyapa, CYAPA_CMD_SOFT_RESET,  in cyapa_gen3_do_calibrate()
823 		ret = cyapa_read_byte(cyapa, CYAPA_CMD_DEV_STATUS);  in cyapa_gen3_do_calibrate()
847 	struct cyapa *cyapa = dev_get_drvdata(dev);  in cyapa_gen3_show_baseline()  local
852 	ret = cyapa_read_byte(cyapa, CYAPA_CMD_DEV_STATUS);  in cyapa_gen3_show_baseline()
864 	ret = cyapa_write_byte(cyapa, CYAPA_CMD_SOFT_RESET,  in cyapa_gen3_show_baseline()
876 		ret = cyapa_read_byte(cyapa, CYAPA_CMD_DEV_STATUS);  in cyapa_gen3_show_baseline()
892 	ret = cyapa_read_byte(cyapa, CYAPA_CMD_MAX_BASELINE);  in cyapa_gen3_show_baseline()
899 	ret = cyapa_read_byte(cyapa, CYAPA_CMD_MIN_BASELINE);  in cyapa_gen3_show_baseline()
952 static int cyapa_gen3_set_power_mode(struct cyapa *cyapa, u8 power_mode,  in cyapa_gen3_set_power_mode()  argument
961 	if (cyapa->state != CYAPA_STATE_OP)  in cyapa_gen3_set_power_mode()
966 		ret = cyapa_read_byte(cyapa, CYAPA_CMD_POWER_MODE);  in cyapa_gen3_set_power_mode()
987 		ret = cyapa_write_byte(cyapa, CYAPA_CMD_POWER_MODE, power);  in cyapa_gen3_set_power_mode()
1003 static int cyapa_gen3_get_query_data(struct cyapa *cyapa)  in cyapa_gen3_get_query_data()  argument
1008 	if (cyapa->state != CYAPA_STATE_OP)  in cyapa_gen3_get_query_data()
1011 	ret = cyapa_read_block(cyapa, CYAPA_CMD_GROUP_QUERY, query_data);  in cyapa_gen3_get_query_data()
1015 	memcpy(&cyapa->product_id[0], &query_data[0], 5);  in cyapa_gen3_get_query_data()
1016 	cyapa->product_id[5] = '-';  in cyapa_gen3_get_query_data()
1017 	memcpy(&cyapa->product_id[6], &query_data[5], 6);  in cyapa_gen3_get_query_data()
1018 	cyapa->product_id[12] = '-';  in cyapa_gen3_get_query_data()
1019 	memcpy(&cyapa->product_id[13], &query_data[11], 2);  in cyapa_gen3_get_query_data()
1020 	cyapa->product_id[15] = '\0';  in cyapa_gen3_get_query_data()
1022 	cyapa->fw_maj_ver = query_data[15];  in cyapa_gen3_get_query_data()
1023 	cyapa->fw_min_ver = query_data[16];  in cyapa_gen3_get_query_data()
1025 	cyapa->btn_capability = query_data[19] & CAPABILITY_BTN_MASK;  in cyapa_gen3_get_query_data()
1027 	cyapa->gen = query_data[20] & 0x0f;  in cyapa_gen3_get_query_data()
1029 	cyapa->max_abs_x = ((query_data[21] & 0xf0) << 4) | query_data[22];  in cyapa_gen3_get_query_data()
1030 	cyapa->max_abs_y = ((query_data[21] & 0x0f) << 8) | query_data[23];  in cyapa_gen3_get_query_data()
1032 	cyapa->physical_size_x =  in cyapa_gen3_get_query_data()
1034 	cyapa->physical_size_y =  in cyapa_gen3_get_query_data()
1037 	cyapa->max_z = 255;  in cyapa_gen3_get_query_data()
1042 static int cyapa_gen3_bl_query_data(struct cyapa *cyapa)  in cyapa_gen3_bl_query_data()  argument
1047 	ret = cyapa_i2c_reg_read_block(cyapa, 0, CYAPA_CMD_LEN, bl_data);  in cyapa_gen3_bl_query_data()
1059 		cyapa->fw_maj_ver = bl_data[GEN3_BL_IDLE_FW_MAJ_VER_OFFSET];  in cyapa_gen3_bl_query_data()
1060 		cyapa->fw_min_ver = bl_data[GEN3_BL_IDLE_FW_MIN_VER_OFFSET];  in cyapa_gen3_bl_query_data()
1080 static int cyapa_gen3_do_operational_check(struct cyapa *cyapa)  in cyapa_gen3_do_operational_check()  argument
1082 	struct device *dev = &cyapa->client->dev;  in cyapa_gen3_do_operational_check()
1085 	switch (cyapa->state) {  in cyapa_gen3_do_operational_check()
1087 		error = cyapa_gen3_bl_deactivate(cyapa);  in cyapa_gen3_do_operational_check()
1096 		cyapa_gen3_bl_query_data(cyapa);  in cyapa_gen3_do_operational_check()
1098 		error = cyapa_gen3_bl_exit(cyapa);  in cyapa_gen3_do_operational_check()
1110 		error = cyapa_gen3_set_power_mode(cyapa,  in cyapa_gen3_do_operational_check()
1115 		error = cyapa_gen3_get_query_data(cyapa);  in cyapa_gen3_do_operational_check()
1120 		if (cyapa->gen != CYAPA_GEN3) {  in cyapa_gen3_do_operational_check()
1122 				cyapa->gen);  in cyapa_gen3_do_operational_check()
1127 		if (memcmp(cyapa->product_id, product_id,  in cyapa_gen3_do_operational_check()
1130 				cyapa->product_id);  in cyapa_gen3_do_operational_check()
1146 static bool cyapa_gen3_irq_cmd_handler(struct cyapa *cyapa)  in cyapa_gen3_irq_cmd_handler()  argument
1149 	if (cyapa->gen != CYAPA_GEN3)  in cyapa_gen3_irq_cmd_handler()
1152 	if (cyapa->operational)  in cyapa_gen3_irq_cmd_handler()
1167 static int cyapa_gen3_irq_handler(struct cyapa *cyapa)  in cyapa_gen3_irq_handler()  argument
1169 	struct input_dev *input = cyapa->input;  in cyapa_gen3_irq_handler()
1170 	struct device *dev = &cyapa->client->dev;  in cyapa_gen3_irq_handler()
1176 	ret = cyapa_read_block(cyapa, CYAPA_CMD_GROUP_DATA, (u8 *)&data);  in cyapa_gen3_irq_handler()
1207 	if (cyapa->btn_capability & CAPABILITY_LEFT_BTN_MASK)  in cyapa_gen3_irq_handler()
1210 	if (cyapa->btn_capability & CAPABILITY_MIDDLE_BTN_MASK)  in cyapa_gen3_irq_handler()
1213 	if (cyapa->btn_capability & CAPABILITY_RIGHT_BTN_MASK)  in cyapa_gen3_irq_handler()
1221 static int cyapa_gen3_initialize(struct cyapa *cyapa) { return 0; }  in cyapa_gen3_initialize()  argument
1222 static int cyapa_gen3_bl_initiate(struct cyapa *cyapa,  in cyapa_gen3_bl_initiate()  argument
1224 static int cyapa_gen3_empty_output_data(struct cyapa *cyapa,  in cyapa_gen3_empty_output_data()  argument