From patchwork Tue Sep 13 21:31:33 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pavel Rojtberg X-Patchwork-Id: 605988 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 5C1ADC6FA89 for ; Tue, 13 Sep 2022 21:32:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229601AbiIMVcl (ORCPT ); Tue, 13 Sep 2022 17:32:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56138 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229603AbiIMVck (ORCPT ); Tue, 13 Sep 2022 17:32:40 -0400 Received: from mail-ej1-x62d.google.com (mail-ej1-x62d.google.com [IPv6:2a00:1450:4864:20::62d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ABDBC61115 for ; Tue, 13 Sep 2022 14:32:39 -0700 (PDT) Received: by mail-ej1-x62d.google.com with SMTP id dv25so30393226ejb.12 for ; Tue, 13 Sep 2022 14:32:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=Pz599/tGS47Z8KZoON44yUAsXhdp4gOe0RD3lxgB0NM=; b=lVKy3SwDQC5rKQcUGgZTDdciAvTXRBVKE5FbgmI0NV40SD5BZKyDojrXbckHBErUVV L5VWMCs1Lh4TlSfTBVvRgMiAXFCG4SN+p8Bq21D+45gCxDh7USawOMc87Sd/z0GFMh9d ly0DpTLsKYm6l3p4rt2yfTPdtEdqfbXtP/wUnUiUIxINB+YrWa2N1JscXp54ogVuur/t mwuAChwUVQj7YFwWleIqYz0kmzHDFUvM6muKRB0nc6uhGEvU8nFbqYjjWXleihZxVpWW pSv9INr9eUzKdpL0Jytt6PHc6u4mJ74QbysCEN2zOwB6Tf+lKV+DgW9NH4Vo7UmwP+cq MSyA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date; bh=Pz599/tGS47Z8KZoON44yUAsXhdp4gOe0RD3lxgB0NM=; b=Yzu5eeHolfyMYSowTcsEhBCUQWL15Kb+qSFhV3eEqgf9ZN/01Vv9S1loZu/o+gQ5+f MpAwh3Omd8aempjDX5l0y97U8FODXs/6Nd+4hiEJ+A6aEf1LtSglyqnmqev/4TsF2TaG 2b2XhglMl0nfeGBZkWs8cyuTFv5mzlKsmHazbWypxPHSUxkP3HlPdKJaKlzN2PQg6htk yymS837CybCcXmAMwIwl6fWi4QwYNfHGK1VXb3nkPjbLewUe7fYKaF0swy4mToZLxn8A 9iE4ItVKfDyh3rBJv63qc6pC7hNRylrze0dnIlsd0JO/AABWvMCse/jdfP9KJ/tXICnz k5Vw== X-Gm-Message-State: ACgBeo2xFckaijvbYy5YdRNxzB0ngfX9AKG2XVf0VCMFXpRMLBvDGoII WWuH4SSBqZ7jm/qiiwlfgo2MiT2EOqKzww== X-Google-Smtp-Source: AA6agR68Qd8c3ap1vdJ16knRReuAqmplVQXji4u9cN5ZrfYAaS8JbLKN3oshxkQ2P0aiS3Amd38n8Q== X-Received: by 2002:a17:906:58cc:b0:770:7e79:a2ee with SMTP id e12-20020a17090658cc00b007707e79a2eemr23932376ejs.166.1663104758100; Tue, 13 Sep 2022 14:32:38 -0700 (PDT) Received: from deepwhite.fritz.box ([2001:9e8:2218:7900:8fcc:6ea7:4870:fd6b]) by smtp.gmail.com with ESMTPSA id p26-20020a17090635da00b0073d5e1edd1csm6592819ejb.225.2022.09.13.14.32.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Sep 2022 14:32:37 -0700 (PDT) From: Pavel Rojtberg X-Google-Original-From: Pavel Rojtberg < rojtberg@gmail.com > To: linux-input@vger.kernel.org, dmitry.torokhov@gmail.com, gregkh@linuxfoundation.org Cc: Pavel Rojtberg Subject: [PATCH 2/2] Input: xpad - decipher xpadone packages with GIP defines Date: Tue, 13 Sep 2022 23:31:33 +0200 Message-Id: <20220913213133.584979-3-rojtberg@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220913213133.584979-1-rojtberg@gmail.com> References: <20220913213133.584979-1-rojtberg@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org From: Pavel Rojtberg only renames, no functional changes. Some of the packets we send seem superfluous now. Unfortunately I dont have the hardware to verify whether they are. Signed-off-by: Pavel Rojtberg --- drivers/input/joystick/xpad.c | 99 ++++++++++++++++++++++++++++++++++++++++------------------ 1 file changed, 69 insertions(+), 30 deletions(-) diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index 19e3958..ec5ec51 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -513,13 +513,52 @@ struct xboxone_init_packet { .len = ARRAY_SIZE(_data), \ } +/* + * starting with xbox one, the game input protocol is used + * magic numbers are taken from + * - https://github.com/xpadneo/gip-dissector/blob/main/src/gip-dissector.lua + * - https://github.com/medusalix/xone/blob/master/bus/protocol.c + */ +#define GIP_CMD_ACK 0x01 +#define GIP_CMD_IDENTIFY 0x04 +#define GIP_CMD_POWER 0x05 +#define GIP_CMD_AUTHENTICATE 0x06 +#define GIP_CMD_VIRTUAL_KEY 0x07 +#define GIP_CMD_RUMBLE 0x09 +#define GIP_CMD_LED 0x0a +#define GIP_CMD_FIRMWARE 0x0c +#define GIP_CMD_INPUT 0x20 + +#define GIP_SEQ0 0x00 + +#define GIP_OPT_ACK 0x10 +#define GIP_OPT_INTERNAL 0x20 + +/* + * length of the command payload encoded with + * https://en.wikipedia.org/wiki/LEB128 + * which is a no-op for N < 128 + */ +#define GIP_PL_LEN(N) (N) + +/* + * payload specific defines + */ +#define GIP_PWR_ON 0x00 +#define GIP_LED_ON 0x01 + +#define GIP_MOTOR_R BIT(0) +#define GIP_MOTOR_L BIT(1) +#define GIP_MOTOR_RT BIT(2) +#define GIP_MOTOR_LT BIT(3) +#define GIP_MOTOR_ALL (GIP_MOTOR_R | GIP_MOTOR_L | GIP_MOTOR_RT | GIP_MOTOR_LT) /* * This packet is required for all Xbox One pads with 2015 * or later firmware installed (or present from the factory). */ -static const u8 xboxone_fw2015_init[] = { - 0x05, 0x20, 0x00, 0x01, 0x00 +static const u8 xboxone_power_on[] = { + GIP_CMD_POWER, GIP_OPT_INTERNAL, GIP_SEQ0, GIP_PL_LEN(1), GIP_PWR_ON }; /* @@ -529,7 +568,7 @@ static const u8 xboxone_fw2015_init[] = { * Bluetooth mode. */ static const u8 xboxone_s_init[] = { - 0x05, 0x20, 0x00, 0x0f, 0x06 + GIP_CMD_POWER, GIP_OPT_INTERNAL, GIP_SEQ0, 0x0f, 0x06 }; /* @@ -546,9 +585,9 @@ static const u8 extra_input_packet_init[] = { * (0x0e6f:0x0165) to finish initialization and for Hori pads * (0x0f0d:0x0067) to make the analog sticks work. */ -static const u8 xboxone_hori_init[] = { - 0x01, 0x20, 0x00, 0x09, 0x00, 0x04, 0x20, 0x3a, - 0x00, 0x00, 0x00, 0x80, 0x00 +static const u8 xboxone_hori_ack_id[] = { + GIP_CMD_ACK, GIP_OPT_INTERNAL, GIP_SEQ0, GIP_PL_LEN(9), + 0x00, GIP_CMD_IDENTIFY, GIP_OPT_INTERNAL, 0x3a, 0x00, 0x00, 0x00, 0x80, 0x00 }; /* @@ -556,8 +595,8 @@ static const u8 xboxone_hori_init[] = { * sending input reports. These pads include: (0x0e6f:0x02ab), * (0x0e6f:0x02a4), (0x0e6f:0x02a6). */ -static const u8 xboxone_pdp_init1[] = { - 0x0a, 0x20, 0x00, 0x03, 0x00, 0x01, 0x14 +static const u8 xboxone_pdp_led_on[] = { + GIP_CMD_LED, GIP_OPT_INTERNAL, GIP_SEQ0, GIP_PL_LEN(3), 0x00, GIP_LED_ON, 0x14 }; /* @@ -565,8 +604,8 @@ static const u8 xboxone_pdp_init1[] = { * sending input reports. These pads include: (0x0e6f:0x02ab), * (0x0e6f:0x02a4), (0x0e6f:0x02a6). */ -static const u8 xboxone_pdp_init2[] = { - 0x06, 0x20, 0x00, 0x02, 0x01, 0x00 +static const u8 xboxone_pdp_auth[] = { + GIP_CMD_AUTHENTICATE, GIP_OPT_INTERNAL, GIP_SEQ0, GIP_PL_LEN(2), 0x01, 0x00 }; /* @@ -574,8 +613,8 @@ static const u8 xboxone_pdp_init2[] = { * sending input reports. One of those pads is (0x24c6:0x543a). */ static const u8 xboxone_rumblebegin_init[] = { - 0x09, 0x00, 0x00, 0x09, 0x00, 0x0F, 0x00, 0x00, - 0x1D, 0x1D, 0xFF, 0x00, 0x00 + GIP_CMD_RUMBLE, 0x00, GIP_SEQ0, GIP_PL_LEN(9), + 0x00, GIP_MOTOR_ALL, 0x00, 0x00, 0x1D, 0x1D, 0xFF, 0x00, 0x00 }; /* @@ -585,8 +624,8 @@ static const u8 xboxone_rumblebegin_init[] = { * spin up to enough speed to actually vibrate the gamepad. */ static const u8 xboxone_rumbleend_init[] = { - 0x09, 0x00, 0x00, 0x09, 0x00, 0x0F, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00 + GIP_CMD_RUMBLE, 0x00, GIP_SEQ0, GIP_PL_LEN(9), + 0x00, GIP_MOTOR_ALL, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; /* @@ -596,14 +635,14 @@ static const u8 xboxone_rumbleend_init[] = { * packet is going to be sent. */ static const struct xboxone_init_packet xboxone_init_packets[] = { - XBOXONE_INIT_PKT(0x0e6f, 0x0165, xboxone_hori_init), - XBOXONE_INIT_PKT(0x0f0d, 0x0067, xboxone_hori_init), - XBOXONE_INIT_PKT(0x0000, 0x0000, xboxone_fw2015_init), + XBOXONE_INIT_PKT(0x0e6f, 0x0165, xboxone_hori_ack_id), + XBOXONE_INIT_PKT(0x0f0d, 0x0067, xboxone_hori_ack_id), + XBOXONE_INIT_PKT(0x0000, 0x0000, xboxone_power_on), XBOXONE_INIT_PKT(0x045e, 0x02ea, xboxone_s_init), XBOXONE_INIT_PKT(0x045e, 0x0b00, xboxone_s_init), XBOXONE_INIT_PKT(0x045e, 0x0b00, extra_input_packet_init), - XBOXONE_INIT_PKT(0x0e6f, 0x0000, xboxone_pdp_init1), - XBOXONE_INIT_PKT(0x0e6f, 0x0000, xboxone_pdp_init2), + XBOXONE_INIT_PKT(0x0e6f, 0x0000, xboxone_pdp_led_on), + XBOXONE_INIT_PKT(0x0e6f, 0x0000, xboxone_pdp_auth), XBOXONE_INIT_PKT(0x24c6, 0x541a, xboxone_rumblebegin_init), XBOXONE_INIT_PKT(0x24c6, 0x542a, xboxone_rumblebegin_init), XBOXONE_INIT_PKT(0x24c6, 0x543a, xboxone_rumblebegin_init), @@ -919,19 +958,19 @@ static void xpadone_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char bool do_sync = false; /* the xbox button has its own special report */ - if (data[0] == 0X07) { + if (data[0] == GIP_CMD_VIRTUAL_KEY) { /* * The Xbox One S controller requires these reports to be * acked otherwise it continues sending them forever and * won't report further mode button events. */ - if (data[1] == 0x30) + if (data[1] == (GIP_OPT_ACK | GIP_OPT_INTERNAL)) xpadone_ack_mode_report(xpad, data[2]); input_report_key(dev, BTN_MODE, data[4] & BIT(0)); do_sync = true; - } else if (data[0] == 0X0C) { + } else if (data[0] == GIP_CMD_FIRMWARE) { /* Some packet formats force us to use this separate to poll paddle inputs */ if (xpad->packet_type == PKT_XBE2_FW_5_11) { /* Mute paddles if controller is in a custom profile slot @@ -949,7 +988,7 @@ static void xpadone_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char do_sync = true; } - } else if (data[0] == 0X20) { /* The main valid packet type for inputs */ + } else if (data[0] == GIP_CMD_INPUT) { /* The main valid packet type for inputs */ /* menu/view buttons */ input_report_key(dev, BTN_START, data[4] & BIT(2)); input_report_key(dev, BTN_SELECT, data[4] & BIT(3)); @@ -1362,8 +1401,8 @@ static void xpadone_ack_mode_report(struct usb_xpad *xpad, u8 seq_num) struct xpad_output_packet *packet = &xpad->out_packets[XPAD_OUT_CMD_IDX]; static const u8 mode_report_ack[] = { - 0x01, 0x20, 0x00, 0x09, 0x00, 0x07, 0x20, 0x02, - 0x00, 0x00, 0x00, 0x00, 0x00 + GIP_CMD_ACK, GIP_OPT_INTERNAL, GIP_SEQ0, GIP_PL_LEN(9), + 0x00, GIP_CMD_VIRTUAL_KEY, GIP_OPT_INTERNAL, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00 }; spin_lock_irqsave(&xpad->odata_lock, flags); @@ -1441,14 +1480,14 @@ static int xpad_play_effect(struct input_dev *dev, void *data, struct ff_effect break; case XTYPE_XBOXONE: - packet->data[0] = 0x09; /* activate rumble */ + packet->data[0] = GIP_CMD_RUMBLE; /* activate rumble */ packet->data[1] = 0x00; packet->data[2] = xpad->odata_serial++; - packet->data[3] = 0x09; + packet->data[3] = GIP_PL_LEN(9); packet->data[4] = 0x00; - packet->data[5] = 0x0F; - packet->data[6] = 0x00; - packet->data[7] = 0x00; + packet->data[5] = GIP_MOTOR_ALL; + packet->data[6] = 0x00; /* left trigger */ + packet->data[7] = 0x00; /* right trigger */ packet->data[8] = strong / 512; /* left actuator */ packet->data[9] = weak / 512; /* right actuator */ packet->data[10] = 0xFF; /* on period */