Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753903AbdCNBeV (ORCPT ); Mon, 13 Mar 2017 21:34:21 -0400 Received: from mail-pg0-f68.google.com ([74.125.83.68]:35506 "EHLO mail-pg0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752001AbdCNBeT (ORCPT ); Mon, 13 Mar 2017 21:34:19 -0400 From: Masaki Ota <012nexus@gmail.com> X-Google-Original-From: Masaki Ota To: dmitry.torokhov@gmail.com, linux-kernel@paulsd.com, nick.m.fletcher@gmail.com Cc: joseph.salisbury@canonical.com, ben@smart-cactus.org, mhocko@suse.com, pali.rohar@gmail.com, rydberg@bitmath.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, masaki.ota@jp.alps.com Subject: [PATCH 1/2] Fix V8 device information issue Date: Tue, 14 Mar 2017 10:34:12 +0900 Message-Id: <20170314013413.7260-1-masaki.ota@jp.alps.com> X-Mailer: git-send-email 2.9.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5314 Lines: 165 From: Masaki Ota -Fix the issue that V8(E7=73 03 28) devices are not assined correct device information bit from OTP. -Specified correct OTP bit for the V8 device setting of Button pad, DualPoint and Touchpad size. -Deleted extra code from alps_v8_protocol_data decision process. Signed-off-by: Masaki Ota Acked-by: Pali Rohar --- drivers/input/mouse/alps.c | 66 +++++++++++++++++++++++++++++++++++----------- drivers/input/mouse/alps.h | 11 ++++++++ 2 files changed, 61 insertions(+), 16 deletions(-) diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index e761955..253f742 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -2467,14 +2467,34 @@ static int alps_update_device_area_ss4_v2(unsigned char otp[][4], int num_y_electrode; int x_pitch, y_pitch, x_phys, y_phys; - num_x_electrode = SS4_NUMSENSOR_XOFFSET + (otp[1][0] & 0x0F); - num_y_electrode = SS4_NUMSENSOR_YOFFSET + ((otp[1][0] >> 4) & 0x0F); + if (IS_SS4PLUS_DEV(priv->dev_id)) { + num_x_electrode = + SS4PLUS_NUMSENSOR_XOFFSET + (otp[0][2] & 0x0F); + num_y_electrode = + SS4PLUS_NUMSENSOR_YOFFSET + ((otp[0][2] >> 4) & 0x0F); - priv->x_max = (num_x_electrode - 1) * SS4_COUNT_PER_ELECTRODE; - priv->y_max = (num_y_electrode - 1) * SS4_COUNT_PER_ELECTRODE; + priv->x_max = + (num_x_electrode - 1) * SS4PLUS_COUNT_PER_ELECTRODE; + priv->y_max = + (num_y_electrode - 1) * SS4PLUS_COUNT_PER_ELECTRODE; - x_pitch = ((otp[1][2] >> 2) & 0x07) + SS4_MIN_PITCH_MM; - y_pitch = ((otp[1][2] >> 5) & 0x07) + SS4_MIN_PITCH_MM; + x_pitch = (otp[0][1] & 0x0F) + SS4PLUS_MIN_PITCH_MM; + y_pitch = ((otp[0][1] >> 4) & 0x0F) + SS4PLUS_MIN_PITCH_MM; + + } else { + num_x_electrode = + SS4_NUMSENSOR_XOFFSET + (otp[1][0] & 0x0F); + num_y_electrode = + SS4_NUMSENSOR_YOFFSET + ((otp[1][0] >> 4) & 0x0F); + + priv->x_max = + (num_x_electrode - 1) * SS4_COUNT_PER_ELECTRODE; + priv->y_max = + (num_y_electrode - 1) * SS4_COUNT_PER_ELECTRODE; + + x_pitch = ((otp[1][2] >> 2) & 0x07) + SS4_MIN_PITCH_MM; + y_pitch = ((otp[1][2] >> 5) & 0x07) + SS4_MIN_PITCH_MM; + } x_phys = x_pitch * (num_x_electrode - 1); /* In 0.1 mm units */ y_phys = y_pitch * (num_y_electrode - 1); /* In 0.1 mm units */ @@ -2490,7 +2510,10 @@ static int alps_update_btn_info_ss4_v2(unsigned char otp[][4], { unsigned char is_btnless; - is_btnless = (otp[1][1] >> 3) & 0x01; + if (IS_SS4PLUS_DEV(priv->dev_id)) + is_btnless = (otp[1][0] >> 1) & 0x01; + else + is_btnless = (otp[1][1] >> 3) & 0x01; if (is_btnless) priv->flags |= ALPS_BUTTONPAD; @@ -2498,6 +2521,21 @@ static int alps_update_btn_info_ss4_v2(unsigned char otp[][4], return 0; } +static int alps_update_dual_info_ss4_v2(unsigned char otp[][4], + struct alps_data *priv) +{ + bool is_dual = false; + + if (IS_SS4PLUS_DEV(priv->dev_id)) + is_dual = (otp[0][0] >> 4) & 0x01; + + if (is_dual) + priv->flags |= ALPS_DUALPOINT | + ALPS_DUALPOINT_WITH_PRESSURE; + + return 0; +} + static int alps_set_defaults_ss4_v2(struct psmouse *psmouse, struct alps_data *priv) { @@ -2513,6 +2551,8 @@ static int alps_set_defaults_ss4_v2(struct psmouse *psmouse, alps_update_btn_info_ss4_v2(otp, priv); + alps_update_dual_info_ss4_v2(otp, priv); + return 0; } @@ -2758,10 +2798,6 @@ static int alps_set_protocol(struct psmouse *psmouse, if (alps_set_defaults_ss4_v2(psmouse, priv)) return -EIO; - if (priv->fw_ver[1] == 0x1) - priv->flags |= ALPS_DUALPOINT | - ALPS_DUALPOINT_WITH_PRESSURE; - break; } @@ -2831,10 +2867,7 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv) ec[2] >= 0x90 && ec[2] <= 0x9d) { protocol = &alps_v3_protocol_data; } else if (e7[0] == 0x73 && e7[1] == 0x03 && - e7[2] == 0x14 && ec[1] == 0x02) { - protocol = &alps_v8_protocol_data; - } else if (e7[0] == 0x73 && e7[1] == 0x03 && - e7[2] == 0x28 && ec[1] == 0x01) { + (e7[2] == 0x14 || e7[2] == 0x28)) { protocol = &alps_v8_protocol_data; } else if (e7[0] == 0x73 && e7[1] == 0x03 && e7[2] == 0xc8) { protocol = &alps_v9_protocol_data; @@ -2850,7 +2883,8 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv) } if (priv) { - /* Save the Firmware version */ + /* Save Device ID and Firmware version */ + memcpy(priv->dev_id, e7, 3); memcpy(priv->fw_ver, ec, 3); error = alps_set_protocol(psmouse, priv, protocol); if (error) diff --git a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h index dea3163..ed2d687 100644 --- a/drivers/input/mouse/alps.h +++ b/drivers/input/mouse/alps.h @@ -55,6 +55,16 @@ enum SS4_PACKET_ID { #define SS4_MASK_NORMAL_BUTTONS 0x07 +#define SS4PLUS_COUNT_PER_ELECTRODE 128 +#define SS4PLUS_NUMSENSOR_XOFFSET 16 +#define SS4PLUS_NUMSENSOR_YOFFSET 5 +#define SS4PLUS_MIN_PITCH_MM 37 + +#define IS_SS4PLUS_DEV(_b) (((_b[0]) == 0x73) && \ + ((_b[1]) == 0x03) && \ + ((_b[2]) == 0x28) \ + ) + #define SS4_IS_IDLE_V2(_b) (((_b[0]) == 0x18) && \ ((_b[1]) == 0x10) && \ ((_b[2]) == 0x00) && \ @@ -279,6 +289,7 @@ struct alps_data { int addr_command; u16 proto_version; u8 byte0, mask0; + u8 dev_id[3]; u8 fw_ver[3]; int flags; int x_max; -- 2.9.3