From patchwork Tue Jul 26 16:39:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Sm9zw6kgRXhww7NzaXRv?= X-Patchwork-Id: 12929503 X-Patchwork-Delegate: jikos@jikos.cz Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A1281C00140 for ; Tue, 26 Jul 2022 16:39:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239502AbiGZQjh (ORCPT ); Tue, 26 Jul 2022 12:39:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48594 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239495AbiGZQjg (ORCPT ); Tue, 26 Jul 2022 12:39:36 -0400 Received: from mail-wr1-x435.google.com (mail-wr1-x435.google.com [IPv6:2a00:1450:4864:20::435]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B4F331B7AE; Tue, 26 Jul 2022 09:39:35 -0700 (PDT) Received: by mail-wr1-x435.google.com with SMTP id d8so20842938wrp.6; Tue, 26 Jul 2022 09:39:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=OSvkv9mhPoR5bDUGa6yltbm4LgVU497Un5RAIEDmaBw=; b=ZC27Q78JSFtiJ0rmOKFglVx/Z4JSroP3yNR/1wA9ZTtjuuw+okE2zcA1AvnMaAp/DB wGl0N5bRLu27xFh0Hqw61n79lql1dGkz2VxLLuDRxtyz/KdfugX1uVjPBTX/EYwe0SF1 0mprt/adQjxGwg8N5Ht1hl/pu9JK47EK5EllbjDBWT6iFiblTOQCSLSsIBfufhLrPLdl LBhacPeJlT216DMwZPfZptiFqX0uKNeJ8epB5jrNTgGZXYqTkvOE9kB/v2K+cDjTiwqk mJM7qBRrSdLbd7eLhuCDVIOW28knQg/ULMfqQpxBg+LfLutEYnUevgR7uwOetF/Q+t9S QQlA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=OSvkv9mhPoR5bDUGa6yltbm4LgVU497Un5RAIEDmaBw=; b=wRRsFmYzo5wF/hNDx/4RtZ5BJqTl5BlvCaop4CpXDUMtx9nsjAOW6fUKyHKSestd0N c7Xc+onaJ8CuQkLb3byeRTZABZ74VSmnZWjI4E8oRhEoIkci3HefTZ2UU1TQQeILixGP e4Y9K0nsOF+hW9RLU/usdiGKijVi83G4ngTJYyCUmIp94Nx6OOflKp7KCTZDF10UaA3I fAqCynV9slQjR2ZW1igtIyiv9N4d3sleUraiXuI/CK2E2IU3Kb1bFGJl41e5NwVFMoLx Zs1ZqsEmvA/CCSZ5RVT/StZFQA6DqoDfYJDR8/Ndqy494sKpe6wetj30cQPYT0W3jlQ1 78Rw== X-Gm-Message-State: AJIora/n3NLATB9dH3kIYDBnv5IDn57H/gk2JVOYwAddXEY6fq/K8Kgf ptQcuy4SuNqoKxUVlU60Hqs= X-Google-Smtp-Source: AGRyM1sXv7irTOyH4m5ys9MdwD7yFQFl5DWpBoGcabyag5Qeq59FJObhyvRjPZGuOKaRO0X/xqsEDQ== X-Received: by 2002:a5d:6a06:0:b0:21e:bd8e:4e7f with SMTP id m6-20020a5d6a06000000b0021ebd8e4e7fmr800497wru.134.1658853574267; Tue, 26 Jul 2022 09:39:34 -0700 (PDT) Received: from localhost.localdomain ([94.73.33.57]) by smtp.gmail.com with ESMTPSA id o9-20020a05600c058900b0039c54bb28f2sm19514710wmd.36.2022.07.26.09.39.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Jul 2022 09:39:33 -0700 (PDT) From: =?utf-8?b?Sm9zw6kgRXhww7NzaXRv?= To: jikos@kernel.org Cc: benjamin.tissoires@redhat.com, spbnick@gmail.com, j.witteveen@gmail.com, stefanberzl@gmail.com, nathan@kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, kunit-dev@googlegroups.com, =?utf-8?b?Sm9z?= =?utf-8?b?w6kgRXhww7NzaXRv?= Subject: [PATCH v3 4/7] HID: uclogic: Parse the UGEE v2 frame type Date: Tue, 26 Jul 2022 18:39:23 +0200 Message-Id: <20220726163926.10549-5-jose.exposito89@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220726163926.10549-1-jose.exposito89@gmail.com> References: <20220726163926.10549-1-jose.exposito89@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org The string descriptor returned by UGEE v2 devices contains a byte indicating the device frame type. The values discovered so far are: - 0: Frame with buttons, present in the XP-PEN Deco L. - 1: Frame with buttons and dial, present in the PARBLO A610 PRO. - 2: Frame with buttons and a mouse, shaped as a dial + touchpad. Present in the XP-PEN Deco Pro S. Parse the frame type and add KUnit tests. Tested-by: Jouke Witteveen Signed-off-by: José Expósito --- drivers/hid/hid-uclogic-params-test.c | 35 ++++++++++++++++++++++++++- drivers/hid/hid-uclogic-params.c | 19 ++++++++++++--- drivers/hid/hid-uclogic-params.h | 10 ++++++++ 3 files changed, 59 insertions(+), 5 deletions(-) diff --git a/drivers/hid/hid-uclogic-params-test.c b/drivers/hid/hid-uclogic-params-test.c index 9f043f2ab387..57ef5d3e4b74 100644 --- a/drivers/hid/hid-uclogic-params-test.c +++ b/drivers/hid/hid-uclogic-params-test.c @@ -7,6 +7,7 @@ */ #include +#include "./hid-uclogic-params.h" #include "./hid-uclogic-rdesc.h" #define MAX_STR_DESC_SIZE 14 @@ -17,6 +18,7 @@ struct uclogic_parse_ugee_v2_desc_case { const __u8 str_desc[MAX_STR_DESC_SIZE]; size_t str_desc_size; const s32 desc_params[UCLOGIC_RDESC_PH_ID_NUM]; + enum uclogic_params_frame_type frame_type; }; static struct uclogic_parse_ugee_v2_desc_case uclogic_parse_ugee_v2_desc_cases[] = { @@ -26,6 +28,7 @@ static struct uclogic_parse_ugee_v2_desc_case uclogic_parse_ugee_v2_desc_cases[] .str_desc = {}, .str_desc_size = 0, .desc_params = {}, + .frame_type = UCLOGIC_PARAMS_FRAME_BUTTONS, }, { .name = "resolution_with_value_0", @@ -48,6 +51,7 @@ static struct uclogic_parse_ugee_v2_desc_case uclogic_parse_ugee_v2_desc_cases[] [UCLOGIC_RDESC_PEN_PH_ID_PRESSURE_LM] = 0x1FFF, [UCLOGIC_RDESC_FRAME_PH_ID_UM] = 0x08, }, + .frame_type = UCLOGIC_PARAMS_FRAME_BUTTONS, }, /* XP-PEN Deco L str_desc: Frame with 8 buttons */ { @@ -71,6 +75,7 @@ static struct uclogic_parse_ugee_v2_desc_case uclogic_parse_ugee_v2_desc_cases[] [UCLOGIC_RDESC_PEN_PH_ID_PRESSURE_LM] = 0x1FFF, [UCLOGIC_RDESC_FRAME_PH_ID_UM] = 0x08, }, + .frame_type = UCLOGIC_PARAMS_FRAME_BUTTONS, }, /* PARBLO A610 PRO str_desc: Frame with 9 buttons and dial */ { @@ -94,6 +99,31 @@ static struct uclogic_parse_ugee_v2_desc_case uclogic_parse_ugee_v2_desc_cases[] [UCLOGIC_RDESC_PEN_PH_ID_PRESSURE_LM] = 0x1FFF, [UCLOGIC_RDESC_FRAME_PH_ID_UM] = 0x09, }, + .frame_type = UCLOGIC_PARAMS_FRAME_DIAL, + }, + /* XP-PEN Deco Pro S str_desc: Frame with 8 buttons and mouse */ + { + .name = "frame_type_mouse", + .res = 0, + .str_desc = { + 0x0E, 0x03, + 0xC8, 0xB3, + 0x34, 0x65, + 0x08, + 0x02, + 0xFF, 0x1F, + 0xD8, 0x13, + }, + .str_desc_size = 12, + .desc_params = { + [UCLOGIC_RDESC_PEN_PH_ID_X_LM] = 0xB3C8, + [UCLOGIC_RDESC_PEN_PH_ID_X_PM] = 0x2363, + [UCLOGIC_RDESC_PEN_PH_ID_Y_LM] = 0x6534, + [UCLOGIC_RDESC_PEN_PH_ID_Y_PM] = 0x13EC, + [UCLOGIC_RDESC_PEN_PH_ID_PRESSURE_LM] = 0x1FFF, + [UCLOGIC_RDESC_FRAME_PH_ID_UM] = 0x08, + }, + .frame_type = UCLOGIC_PARAMS_FRAME_MOUSE, }, }; @@ -110,12 +140,14 @@ static void uclogic_parse_ugee_v2_desc_test(struct kunit *test) { int res; s32 desc_params[UCLOGIC_RDESC_PH_ID_NUM]; + enum uclogic_params_frame_type frame_type; const struct uclogic_parse_ugee_v2_desc_case *params = test->param_value; res = uclogic_params_parse_ugee_v2_desc(params->str_desc, params->str_desc_size, desc_params, - ARRAY_SIZE(desc_params)); + ARRAY_SIZE(desc_params), + &frame_type); KUNIT_ASSERT_EQ(test, res, params->res); if (res) @@ -139,6 +171,7 @@ static void uclogic_parse_ugee_v2_desc_test(struct kunit *test) KUNIT_EXPECT_EQ(test, params->desc_params[UCLOGIC_RDESC_FRAME_PH_ID_UM], desc_params[UCLOGIC_RDESC_FRAME_PH_ID_UM]); + KUNIT_EXPECT_EQ(test, params->frame_type, frame_type); } static struct kunit_case hid_uclogic_params_test_cases[] = { diff --git a/drivers/hid/hid-uclogic-params.c b/drivers/hid/hid-uclogic-params.c index 7b9e1892aa91..b232125f6972 100644 --- a/drivers/hid/hid-uclogic-params.c +++ b/drivers/hid/hid-uclogic-params.c @@ -1060,6 +1060,7 @@ static int uclogic_probe_interface(struct hid_device *hdev, u8 *magic_arr, * @str_desc_size: Size of the string descriptor. * @desc_params: Output description params list. * @desc_params_size: Size of the output description params list. + * @frame_type: Output frame type. * * Returns: * Zero, if successful. A negative errno code on error. @@ -1067,7 +1068,8 @@ static int uclogic_probe_interface(struct hid_device *hdev, u8 *magic_arr, static int uclogic_params_parse_ugee_v2_desc(const __u8 *str_desc, size_t str_desc_size, s32 *desc_params, - size_t desc_params_size) + size_t desc_params_size, + enum uclogic_params_frame_type *frame_type) { s32 pen_x_lm, pen_y_lm; s32 pen_x_pm, pen_y_pm; @@ -1087,6 +1089,7 @@ static int uclogic_params_parse_ugee_v2_desc(const __u8 *str_desc, pen_x_lm = get_unaligned_le16(str_desc + 2); pen_y_lm = get_unaligned_le16(str_desc + 4); frame_num_buttons = str_desc[6]; + *frame_type = str_desc[7]; pen_pressure_lm = get_unaligned_le16(str_desc + 8); resolution = get_unaligned_le16(str_desc + 10); @@ -1175,6 +1178,7 @@ static int uclogic_params_ugee_v2_init(struct uclogic_params *params, __u8 *str_desc = NULL; __u8 *rdesc_pen = NULL; s32 desc_params[UCLOGIC_RDESC_PH_ID_NUM]; + enum uclogic_params_frame_type frame_type; __u8 magic_arr[] = { 0x02, 0xb0, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; @@ -1218,7 +1222,8 @@ static int uclogic_params_ugee_v2_init(struct uclogic_params *params, rc = uclogic_params_parse_ugee_v2_desc(str_desc, str_desc_len, desc_params, - ARRAY_SIZE(desc_params)); + ARRAY_SIZE(desc_params), + &frame_type); if (rc) goto cleanup; @@ -1242,8 +1247,14 @@ static int uclogic_params_ugee_v2_init(struct uclogic_params *params, p.pen.subreport_list[0].id = UCLOGIC_RDESC_V1_FRAME_ID; /* Initialize the frame interface */ - rc = uclogic_params_ugee_v2_init_frame_buttons(&p, desc_params, - ARRAY_SIZE(desc_params)); + switch (frame_type) { + case UCLOGIC_PARAMS_FRAME_BUTTONS: + default: + rc = uclogic_params_ugee_v2_init_frame_buttons(&p, desc_params, + ARRAY_SIZE(desc_params)); + break; + } + if (rc) { uclogic_params_init_invalid(&p); goto output; diff --git a/drivers/hid/hid-uclogic-params.h b/drivers/hid/hid-uclogic-params.h index 5bef8daaa607..a97477c02ff8 100644 --- a/drivers/hid/hid-uclogic-params.h +++ b/drivers/hid/hid-uclogic-params.h @@ -29,6 +29,16 @@ enum uclogic_params_pen_inrange { UCLOGIC_PARAMS_PEN_INRANGE_NONE, }; +/* Types of frames */ +enum uclogic_params_frame_type { + /* Frame with buttons */ + UCLOGIC_PARAMS_FRAME_BUTTONS = 0, + /* Frame with buttons and a dial */ + UCLOGIC_PARAMS_FRAME_DIAL, + /* Frame with buttons and a mouse (shaped as a dial + touchpad) */ + UCLOGIC_PARAMS_FRAME_MOUSE, +}; + /* * Pen report's subreport data. */