From patchwork Mon Nov 3 08:33:04 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dudley Du X-Patchwork-Id: 5214811 Return-Path: X-Original-To: patchwork-linux-input@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 50733C11AC for ; Mon, 3 Nov 2014 08:36:42 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 978D62015E for ; Mon, 3 Nov 2014 08:36:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ACEE320166 for ; Mon, 3 Nov 2014 08:36:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750910AbaKCIgf (ORCPT ); Mon, 3 Nov 2014 03:36:35 -0500 Received: from mail-pa0-f53.google.com ([209.85.220.53]:54473 "EHLO mail-pa0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752160AbaKCIgc (ORCPT ); Mon, 3 Nov 2014 03:36:32 -0500 Received: by mail-pa0-f53.google.com with SMTP id kx10so11602021pab.26 for ; Mon, 03 Nov 2014 00:36:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=BeTHyg5Map6C0Jiu3Agu8Fpyf6YgaPe8jmiLHr6cFBM=; b=MSBUjUMA1PyYwLTNMVQJR0/xjZhBrjVWVbHYPdFojFjtJxlbeuBQ7TCU94gL9AgYO5 upPmBuXjMA577zCvN8eBQ+KeWXJrjjBjTxOilnAD9hwSFrAkrRP36x++YgP1+/EKGXeW lKGfApeXFy9oiZhmh6do4wb594cX/yvlWO8Trmj6BJaPSNU1mpFgPPYqEcb1uD5gl7xh dUofkDNENl4fOlEBIIfTmuf3FS4gy4emd3lR+fsXXMHKQx7dLWf2peC17PXTegz3wLQL /PwC3mn3aEbc5K9yfjwlk3SgsnJrL5Fl/Cvhgy5bTY3EILojwfbJd05sVGNnSzluwvdo 1xAA== X-Received: by 10.70.31.2 with SMTP id w2mr1881136pdh.128.1415003792221; Mon, 03 Nov 2014 00:36:32 -0800 (PST) Received: from localhost ([140.207.206.26]) by mx.google.com with ESMTPSA id ni1sm16484112pdb.69.2014.11.03.00.36.28 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Mon, 03 Nov 2014 00:36:31 -0800 (PST) From: Dudley Du X-Google-Original-From: Dudley Du To: dmitry.torokhov@gmail.com, rydberg@euromail.se Cc: Dudley Du , bleung@google.com, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v9 12/18] input: cyapa: add gen5 trackpad device read baseline function support Date: Mon, 3 Nov 2014 16:33:04 +0800 Message-Id: <1415003590-30485-13-git-send-email-dudl@cypress.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1415003590-30485-1-git-send-email-dudl@cypress.com> References: <1415003590-30485-1-git-send-email-dudl@cypress.com> Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Spam-Status: No, score=-7.4 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add read baseline function supported for gen5 trackpad device, it can be used through sysfs baseline interface. TEST=test on Chromebooks. Signed-off-by: Dudley Du --- drivers/input/mouse/cyapa_gen5.c | 606 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 606 insertions(+) diff --git a/drivers/input/mouse/cyapa_gen5.c b/drivers/input/mouse/cyapa_gen5.c index a6df556..011c8f5 100644 --- a/drivers/input/mouse/cyapa_gen5.c +++ b/drivers/input/mouse/cyapa_gen5.c @@ -1535,6 +1535,610 @@ static int cyapa_gen5_set_power_mode(struct cyapa *cyapa, return 0; } +static int cyapa_gen5_resume_scanning(struct cyapa *cyapa) +{ + u8 cmd[7] = { 0x04, 0x00, 0x05, 0x00, 0x2f, 0x00, 0x04 }; + u8 resp_data[6]; + int resp_len; + int ret; + + /* Try to dump all bufferred data before doing command. */ + cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL); + + resp_len = 6; + ret = cyapa_i2c_pip_cmd_irq_sync(cyapa, + cmd, 7, + resp_data, &resp_len, + 500, cyapa_gen5_sort_tsg_pip_app_resp_data, true); + if (ret || !VALID_CMD_RESP_HEADER(resp_data, 0x04)) + return -EINVAL; + + /* Try to dump all bufferred data when resuming scanning. */ + cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL); + + return 0; +} + +static int cyapa_gen5_suspend_scanning(struct cyapa *cyapa) +{ + u8 cmd[7] = { 0x04, 0x00, 0x05, 0x00, 0x2f, 0x00, 0x03 }; + u8 resp_data[6]; + int resp_len; + int ret; + + /* Try to dump all bufferred data before doing command. */ + cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL); + + resp_len = 6; + ret = cyapa_i2c_pip_cmd_irq_sync(cyapa, + cmd, 7, + resp_data, &resp_len, + 500, cyapa_gen5_sort_tsg_pip_app_resp_data, true); + if (ret || !VALID_CMD_RESP_HEADER(resp_data, 0x03)) + return -EINVAL; + + /* Try to dump all bufferred data when suspending scanning. */ + cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL); + + return 0; +} + +static s32 two_complement_to_s32(s32 value, int num_bits) +{ + if (value >> (num_bits - 1)) + value |= -1 << num_bits; + return value; +} + +static s32 cyapa_parse_structure_data(u8 data_format, u8 *buf, int buf_len) +{ + int data_size; + bool big_endian; + bool unsigned_type; + s32 value; + + data_size = (data_format & 0x07); + big_endian = ((data_format & 0x10) == 0x00); + unsigned_type = ((data_format & 0x20) == 0x00); + + if (buf_len < data_size) + return 0; + + switch (data_size) { + case 1: + value = buf[0]; + break; + case 2: + if (big_endian) + value = get_unaligned_be16(buf); + else + value = get_unaligned_le16(buf); + break; + case 4: + if (big_endian) + value = get_unaligned_be32(buf); + else + value = get_unaligned_le32(buf); + break; + default: + /* Should not happen, just as default case here. */ + value = 0; + break; + } + + if (!unsigned_type) + value = two_complement_to_s32(value, data_size * 8); + + return value; +} + + +/* + * Read all the global mutual or self idac data or mutual or self local PWC + * data based on the @idac_data_type. + * If the input value of @data_size is 0, then means read global mutual or + * self idac data. For read global mutual idac data, @idac_max, @idac_min and + * @idac_ave are in order used to return the max value of global mutual idac + * data, the min value of global mutual idac and the average value of the + * global mutual idac data. For read global self idac data, @idac_max is used + * to return the global self cap idac data in Rx direction, @idac_min is used + * to return the global self cap idac data in Tx direction. @idac_ave is not + * used. + * If the input value of @data_size is not 0, than means read the mutual or + * self local PWC data. The @idac_max, @idac_min and @idac_ave are used to + * return the max, min and average value of the mutual or self local PWC data. + * Note, in order to raed mutual local PWC data, must read invoke this function + * to read the mutual global idac data firstly to set the correct Rx number + * value, otherwise, the read mutual idac and PWC data may not correct. + */ +static int cyapa_gen5_read_idac_data(struct cyapa *cyapa, + u8 cmd_code, u8 idac_data_type, int *data_size, + int *idac_max, int *idac_min, int *idac_ave) +{ + int ret; + int i; + u8 cmd[12]; + u8 resp_data[256]; + int resp_len; + int read_len; + int value; + u16 offset; + int read_elements; + bool read_global_idac; + int sum, count, max_element_cnt; + int tmp_max, tmp_min, tmp_ave, tmp_sum, tmp_count, tmp_max_elements; + int electrodes_rx; + + if (cmd_code != GEN5_CMD_RETRIEVE_DATA_STRUCTURE || + (idac_data_type != GEN5_RETRIEVE_MUTUAL_PWC_DATA && + idac_data_type != GEN5_RETRIEVE_SELF_CAP_PWC_DATA) || + !data_size || !idac_max || !idac_min || !idac_ave) + return -EINVAL; + + *idac_max = INT_MIN; + *idac_min = INT_MAX; + sum = count = tmp_count = 0; + electrodes_rx = 0; + tmp_max_elements = 0; + if (*data_size == 0) { + /* + * Read global idac values firstly. + * Currently, no idac data exceed 4 bytes. + */ + read_global_idac = true; + offset = 0; + *data_size = 4; + + if (idac_data_type == GEN5_RETRIEVE_MUTUAL_PWC_DATA) { + if (cyapa->electrodes_rx == 0) { + if (cyapa->electrodes_y > cyapa->electrodes_x) { + electrodes_rx = cyapa->electrodes_y; + tmp_max_elements = cyapa->electrodes_x; + } else { + electrodes_rx = cyapa->electrodes_x; + tmp_max_elements = cyapa->electrodes_y; + } + } else { + electrodes_rx = cyapa->electrodes_rx; + tmp_max_elements = 0; /* Disable Rx detect. */ + } + max_element_cnt = ((electrodes_rx + 7) / 8) * 8; + tmp_max = INT_MIN; + tmp_min = INT_MAX; + tmp_ave = tmp_sum = tmp_count = 0; + } else + max_element_cnt = 2; + } else { + read_global_idac = false; + if (*data_size > 4) + *data_size = 4; + /* Calculate the start offset in bytes of local PWC data. */ + if (idac_data_type == GEN5_RETRIEVE_MUTUAL_PWC_DATA) { + offset = ((cyapa->electrodes_rx + 7) / 8) * 8 + * (*data_size); + if (cyapa->electrodes_rx == cyapa->electrodes_x) + tmp_count = cyapa->electrodes_y; + else + tmp_count = cyapa->electrodes_x; + max_element_cnt = ((cyapa->electrodes_rx + 7) / 8) * + 8 * tmp_count; + } else if (idac_data_type == GEN5_RETRIEVE_SELF_CAP_PWC_DATA) { + offset = 2; + max_element_cnt = cyapa->electrodes_x + + cyapa->electrodes_y; + } + } + + do { + read_elements = (256 - 10) / (*data_size); + read_elements = min(read_elements, max_element_cnt - count); + read_len = read_elements * (*data_size); + + cmd[0] = 0x04; + cmd[1] = 0x00; + cmd[2] = 0x0a; + cmd[3] = 0x00; + cmd[4] = GEN5_APP_CMD_REPORT_ID; + cmd[5] = 0x00; + cmd[6] = cmd_code; + put_unaligned_le16(offset, &cmd[7]); /* Read Offset[15:0] */ + put_unaligned_le16(read_len, &cmd[9]); /* Read Length[15:0] */ + cmd[11] = idac_data_type; + resp_len = 10 + read_len; + ret = cyapa_i2c_pip_cmd_irq_sync(cyapa, + cmd, 12, + resp_data, &resp_len, + 500, cyapa_gen5_sort_tsg_pip_app_resp_data, + true); + if (ret || resp_len < 10 || + !VALID_CMD_RESP_HEADER(resp_data, cmd_code) || + !GEN5_CMD_COMPLETE_SUCCESS(resp_data[5]) || + resp_data[6] != idac_data_type) + return (ret < 0) ? ret : -EAGAIN; + read_len = get_unaligned_le16(&resp_data[7]); + if (read_len == 0) + break; + + *data_size = (resp_data[9] & GEN5_PWC_DATA_ELEMENT_SIZE_MASK); + if (read_len < *data_size) + return -EINVAL; + + if (read_global_idac && + idac_data_type == GEN5_RETRIEVE_SELF_CAP_PWC_DATA) { + /* Rx's self global idac data. */ + *idac_max = cyapa_parse_structure_data( + resp_data[9], &resp_data[10], + *data_size); + /* Tx's self global idac data. */ + *idac_min = cyapa_parse_structure_data( + resp_data[9], + &resp_data[10 + *data_size], + *data_size); + break; + } + + /* Read mutual global idac or local mutual/self PWC data. */ + offset += read_len; + for (i = 10; i < (read_len + 10); i += *data_size) { + value = cyapa_parse_structure_data(resp_data[9], + &resp_data[i], *data_size); + *idac_min = min(value, *idac_min); + *idac_max = max(value, *idac_max); + + if (idac_data_type == GEN5_RETRIEVE_MUTUAL_PWC_DATA && + tmp_count < tmp_max_elements && + read_global_idac) { + tmp_min = min(value, tmp_min); + tmp_max = max(value, tmp_max); + tmp_sum += value; + tmp_count++; + } + + sum += value; + count++; + + if (count >= max_element_cnt) + goto out; + } + } while (true); + +out: + *idac_ave = count ? (sum / count) : 0; + + if (read_global_idac && + idac_data_type == GEN5_RETRIEVE_MUTUAL_PWC_DATA) { + if (tmp_count == 0) + return 0; + /* Algorithm to detect electrodes_rx value. */ + tmp_ave = tmp_sum / tmp_count; + tmp_count = tmp_ave * 15 / 100; + if (abs(tmp_ave - *idac_ave) > tmp_count || + (abs(tmp_ave - *idac_min) > (tmp_count * 2) && + *idac_min < tmp_min) || + (abs(*idac_max - tmp_ave) > (tmp_count * 2) && + *idac_max > tmp_max)) { + /* Overcount the mutual global idac values. */ + cyapa->electrodes_rx = tmp_max_elements; + *idac_min = tmp_min; + *idac_max = tmp_max; + *idac_ave = tmp_ave; + } else + cyapa->electrodes_rx = electrodes_rx; + } + + return 0; +} + +static int cyapa_gen5_read_mutual_idac_data(struct cyapa *cyapa, + int *gidac_mutual_max, int *gidac_mutual_min, int *gidac_mutual_ave, + int *lidac_mutual_max, int *lidac_mutual_min, int *lidac_mutual_ave) +{ + int ret; + int data_size; + + *gidac_mutual_max = *gidac_mutual_min = *gidac_mutual_ave = 0; + *lidac_mutual_max = *lidac_mutual_min = *lidac_mutual_ave = 0; + + data_size = 0; + ret = cyapa_gen5_read_idac_data(cyapa, + GEN5_CMD_RETRIEVE_DATA_STRUCTURE, + GEN5_RETRIEVE_MUTUAL_PWC_DATA, + &data_size, + gidac_mutual_max, gidac_mutual_min, gidac_mutual_ave); + if (ret) + return ret; + + ret = cyapa_gen5_read_idac_data(cyapa, + GEN5_CMD_RETRIEVE_DATA_STRUCTURE, + GEN5_RETRIEVE_MUTUAL_PWC_DATA, + &data_size, + lidac_mutual_max, lidac_mutual_min, lidac_mutual_ave); + return ret; +} + +static int cyapa_gen5_read_self_idac_data(struct cyapa *cyapa, + int *gidac_self_rx, int *gidac_self_tx, + int *lidac_self_max, int *lidac_self_min, int *lidac_self_ave) +{ + int ret; + int data_size; + + *gidac_self_rx = *gidac_self_tx = 0; + *lidac_self_max = *lidac_self_min = *lidac_self_ave = 0; + + data_size = 0; + ret = cyapa_gen5_read_idac_data(cyapa, + GEN5_CMD_RETRIEVE_DATA_STRUCTURE, + GEN5_RETRIEVE_SELF_CAP_PWC_DATA, + &data_size, + lidac_self_max, lidac_self_min, lidac_self_ave); + if (ret) + return ret; + *gidac_self_rx = *lidac_self_max; + *gidac_self_tx = *lidac_self_min; + + ret = cyapa_gen5_read_idac_data(cyapa, + GEN5_CMD_RETRIEVE_DATA_STRUCTURE, + GEN5_RETRIEVE_SELF_CAP_PWC_DATA, + &data_size, + lidac_self_max, lidac_self_min, lidac_self_ave); + return ret; +} + +static ssize_t cyapa_gen5_execute_panel_scan(struct cyapa *cyapa) +{ + int ret; + u8 cmd[7]; + u8 resp_data[6]; + int resp_len; + + cmd[0] = 0x04; + cmd[1] = 0x00; + cmd[2] = 0x05; + cmd[3] = 0x00; + cmd[4] = GEN5_APP_CMD_REPORT_ID; + cmd[5] = 0x00; + cmd[6] = GEN5_CMD_EXECUTE_PANEL_SCAN; /* Command code */ + resp_len = 6; + ret = cyapa_i2c_pip_cmd_irq_sync(cyapa, + cmd, 7, + resp_data, &resp_len, + 500, cyapa_gen5_sort_tsg_pip_app_resp_data, true); + if (ret || resp_len != 6 || + !VALID_CMD_RESP_HEADER(resp_data, + GEN5_CMD_EXECUTE_PANEL_SCAN) || + !GEN5_CMD_COMPLETE_SUCCESS(resp_data[5])) { + cyapa_gen5_resume_scanning(cyapa); + return (ret < 0) ? ret : -EAGAIN; + } + + return 0; +} + +static int cyapa_gen5_read_panel_scan_raw_data(struct cyapa *cyapa, + u8 cmd_code, u8 raw_data_type, int raw_data_max_num, + int *raw_data_max, int *raw_data_min, int *raw_data_ave, + u8 *buffer) +{ + int ret; + int i; + u8 cmd[12]; + u8 resp_data[256]; /* Max bytes can transfer one time. */ + int resp_len; + int read_elements; + int read_len; + u16 offset; + s32 value; + int sum, count; + int data_size; + s32 *intp; + + if (cmd_code != GEN5_CMD_RETRIEVE_PANEL_SCAN || + (raw_data_type > GEN5_PANEL_SCAN_SELF_DIFFCOUNT) || + !raw_data_max || !raw_data_min || !raw_data_ave) + return -EINVAL; + + intp = (s32 *)buffer; + *raw_data_max = INT_MIN; + *raw_data_min = INT_MAX; + sum = count = 0; + offset = 0; + read_elements = (256 - 10) / 4; /* Currently, max element size is 4. */ + read_len = read_elements * 4; + do { + cmd[0] = 0x04; + cmd[1] = 0x00; + cmd[2] = 0x0a; + cmd[3] = 0x00; + cmd[4] = GEN5_APP_CMD_REPORT_ID; + cmd[5] = 0x00; + cmd[6] = cmd_code; /* Command code */ + put_unaligned_le16(offset, &cmd[7]); + put_unaligned_le16(read_elements, &cmd[9]); + cmd[11] = raw_data_type; + resp_len = 10 + read_len; + + ret = cyapa_i2c_pip_cmd_irq_sync(cyapa, + cmd, 12, + resp_data, &resp_len, + 500, cyapa_gen5_sort_tsg_pip_app_resp_data, true); + if (ret || resp_len < 10 || + !VALID_CMD_RESP_HEADER(resp_data, cmd_code) || + !GEN5_CMD_COMPLETE_SUCCESS(resp_data[5]) || + resp_data[6] != raw_data_type) + return (ret < 0) ? ret : -EAGAIN; + + read_elements = get_unaligned_le16(&resp_data[7]); + if (read_elements == 0) + break; + + data_size = (resp_data[9] & GEN5_PWC_DATA_ELEMENT_SIZE_MASK); + offset += read_elements; + if (read_elements) { + for (i = 10; + i < (read_elements * data_size + 10); + i += data_size) { + value = cyapa_parse_structure_data(resp_data[9], + &resp_data[i], data_size); + *raw_data_min = min(value, *raw_data_min); + *raw_data_max = max(value, *raw_data_max); + + if (intp) + put_unaligned_le32(value, &intp[count]); + + sum += value; + count++; + + } + } + + if (count >= raw_data_max_num) + break; + + read_elements = (sizeof(resp_data) - 10) / data_size; + read_len = read_elements * data_size; + } while (true); + + *raw_data_ave = count ? (sum / count) : 0; + + return 0; +} + +static ssize_t cyapa_gen5_show_baseline(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct cyapa *cyapa = dev_get_drvdata(dev); + int ret, err; + int gidac_mutual_max, gidac_mutual_min, gidac_mutual_ave; + int lidac_mutual_max, lidac_mutual_min, lidac_mutual_ave; + int gidac_self_rx, gidac_self_tx; + int lidac_self_max, lidac_self_min, lidac_self_ave; + int raw_cap_mutual_max, raw_cap_mutual_min, raw_cap_mutual_ave; + int raw_cap_self_max, raw_cap_self_min, raw_cap_self_ave; + int mutual_diffdata_max, mutual_diffdata_min, mutual_diffdata_ave; + int self_diffdata_max, self_diffdata_min, self_diffdata_ave; + int mutual_baseline_max, mutual_baseline_min, mutual_baseline_ave; + int self_baseline_max, self_baseline_min, self_baseline_ave; + + if (cyapa->state != CYAPA_STATE_GEN5_APP) + return -EBUSY; + + /* 1. Suspend Scanning*/ + ret = cyapa_gen5_suspend_scanning(cyapa); + if (ret) + return ret; + + /* 2. Read global and local mutual IDAC data. */ + gidac_self_rx = gidac_self_tx = 0; + err = cyapa_gen5_read_mutual_idac_data(cyapa, + &gidac_mutual_max, &gidac_mutual_min, + &gidac_mutual_ave, &lidac_mutual_max, + &lidac_mutual_min, &lidac_mutual_ave); + if (err) + goto resume_scanning; + + /* 3. Read global and local self IDAC data. */ + err = cyapa_gen5_read_self_idac_data(cyapa, + &gidac_self_rx, &gidac_self_tx, + &lidac_self_max, &lidac_self_min, + &lidac_self_ave); + if (err) + goto resume_scanning; + + /* 4. Execuate panel scan. It must be executed before read data. */ + err = cyapa_gen5_execute_panel_scan(cyapa); + if (err) + goto resume_scanning; + + /* 5. Retrieve panel scan, mutual cap raw data. */ + err = cyapa_gen5_read_panel_scan_raw_data(cyapa, + GEN5_CMD_RETRIEVE_PANEL_SCAN, + GEN5_PANEL_SCAN_MUTUAL_RAW_DATA, + cyapa->electrodes_x * cyapa->electrodes_y, + &raw_cap_mutual_max, &raw_cap_mutual_min, + &raw_cap_mutual_ave, + NULL); + if (err) + goto resume_scanning; + + /* 6. Retrieve panel scan, self cap raw data. */ + err = cyapa_gen5_read_panel_scan_raw_data(cyapa, + GEN5_CMD_RETRIEVE_PANEL_SCAN, + GEN5_PANEL_SCAN_SELF_RAW_DATA, + cyapa->electrodes_x + cyapa->electrodes_y, + &raw_cap_self_max, &raw_cap_self_min, + &raw_cap_self_ave, + NULL); + if (err) + goto resume_scanning; + + /* 7. Retrieve panel scan, mutual cap diffcount raw data. */ + err = cyapa_gen5_read_panel_scan_raw_data(cyapa, + GEN5_CMD_RETRIEVE_PANEL_SCAN, + GEN5_PANEL_SCAN_MUTUAL_DIFFCOUNT, + cyapa->electrodes_x * cyapa->electrodes_y, + &mutual_diffdata_max, &mutual_diffdata_min, + &mutual_diffdata_ave, + NULL); + if (err) + goto resume_scanning; + + /* 8. Retrieve panel scan, self cap diffcount raw data. */ + err = cyapa_gen5_read_panel_scan_raw_data(cyapa, + GEN5_CMD_RETRIEVE_PANEL_SCAN, + GEN5_PANEL_SCAN_SELF_DIFFCOUNT, + cyapa->electrodes_x + cyapa->electrodes_y, + &self_diffdata_max, &self_diffdata_min, + &self_diffdata_ave, + NULL); + if (err) + goto resume_scanning; + + /* 9. Retrieve panel scan, mutual cap baseline raw data. */ + err = cyapa_gen5_read_panel_scan_raw_data(cyapa, + GEN5_CMD_RETRIEVE_PANEL_SCAN, + GEN5_PANEL_SCAN_MUTUAL_BASELINE, + cyapa->electrodes_x * cyapa->electrodes_y, + &mutual_baseline_max, &mutual_baseline_min, + &mutual_baseline_ave, + NULL); + if (err) + goto resume_scanning; + + /* 10. Retrieve panel scan, self cap baseline raw data. */ + err = cyapa_gen5_read_panel_scan_raw_data(cyapa, + GEN5_CMD_RETRIEVE_PANEL_SCAN, + GEN5_PANEL_SCAN_SELF_BASELINE, + cyapa->electrodes_x + cyapa->electrodes_y, + &self_baseline_max, &self_baseline_min, + &self_baseline_ave, + NULL); + if (err) + goto resume_scanning; + +resume_scanning: + /* 11. Resume Scanning*/ + ret = cyapa_gen5_resume_scanning(cyapa); + if (ret || err) + return ret ? ret : err; + + /* 12. Output data strings */ + ret = scnprintf(buf, PAGE_SIZE, "%d %d %d %d %d %d %d %d %d %d %d ", + gidac_mutual_min, gidac_mutual_max, gidac_mutual_ave, + lidac_mutual_min, lidac_mutual_max, lidac_mutual_ave, + gidac_self_rx, gidac_self_tx, + lidac_self_min, lidac_self_max, lidac_self_ave); + err = scnprintf(buf + ret, PAGE_SIZE - ret, + "%d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d\n", + raw_cap_mutual_min, raw_cap_mutual_max, raw_cap_mutual_ave, + raw_cap_self_min, raw_cap_self_max, raw_cap_self_ave, + mutual_diffdata_min, mutual_diffdata_max, mutual_diffdata_ave, + self_diffdata_min, self_diffdata_max, self_diffdata_ave, + mutual_baseline_min, mutual_baseline_max, mutual_baseline_ave, + self_baseline_min, self_baseline_max, self_baseline_ave); + return ret + err; +} + static bool cyapa_gen5_sort_system_info_data(struct cyapa *cyapa, u8 *buf, int len) { @@ -1938,6 +2542,8 @@ const struct cyapa_dev_ops cyapa_gen5_ops = { .bl_initiate = cyapa_gen5_bl_initiate, .update_fw = cyapa_gen5_do_fw_update, + .show_baseline = cyapa_gen5_show_baseline, + .initialize = cyapa_gen5_initialize, .state_parse = cyapa_gen5_state_parse,