From patchwork Fri Sep 29 17:59:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Cave-Ayland X-Patchwork-Id: 1841452 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=fail reason="signature verification failed" (4096-bit key; unprotected) header.d=ilande.co.uk header.i=@ilande.co.uk header.a=rsa-sha256 header.s=20220518 header.b=yGDza/eB; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4Rxyq74cb7z1yp8 for ; Sat, 30 Sep 2023 04:02:11 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qmHnS-0004zW-F0; Fri, 29 Sep 2023 14:01:02 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qmHnN-0004Nj-Fo for qemu-devel@nongnu.org; Fri, 29 Sep 2023 14:00:57 -0400 Received: from mail.ilande.co.uk ([2001:41c9:1:41f::167]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qmHn9-0005nT-EK for qemu-devel@nongnu.org; Fri, 29 Sep 2023 14:00:57 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=ilande.co.uk; s=20220518; h=Subject:Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:To:From:Sender:Reply-To:Cc: Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=wj1kRK2UFSUTjJkP3sSSNCXThjQ7dL0dyJS9XEJSezI=; b=yGDza/eB7stcMWng9jIB1oWm8g oMv2DvnwigJFn8heUmK+NRU+htQOMqVa2z34mGAyMNn6wGzloKAlAJfjNT5uW7MrbRg6bPP54uGxh wZ9qwIE4pv1FH5OfBWO6t9h6DC4tSViE9Fhs7061RrnF1TK7kbVSOcpGanmi5e+8G66/zlE0Y9G00 zAcAXTbufvG5k9k6m5F0VxaEGYZflY09koM2ycjQHsNetfOeiA3GtLMpDHZkBK26aSB5cH5xfGGCu am8GZKbCuL5z2J1nccS5zu2+KZPMuqZpWB961jTZiLU4LGxXpFAOPtyBOFdXAu2mfLZiJP/Gu2Q1W GAJ93+0ymdsl0EknkQk00gTSL9dtiLZG9tLeRKpbEBsKTDuyagB96uuwxl1MS+5Vnb/QmMsRdj8s/ gQuvyZmne1hhBF/2nFKbLN7HzIJ4uh9mEdrHir9ix/5eSIk2sXj+9S20/G8fc2TIKgrNZEunzT1mh bcDgnv+djnpw6jzM+DsYz/+VNkiWMNKTOW3qgsNiLyUGGPNHN5VwLIx2o1VoeJPGb7YNfk6/ZmfL9 dz3aegfwm9mMiP6stsBgkSZwslIS+MiZOphIbQnwEtu7oCCoc6ajH0fusp2dmWOG/7rzd+fLzF+2s V+cKO8L8ZxMj1zkHL/r+H2CM4CTemPmRr74E4i5r8=; Received: from [2a00:23c4:8baf:5f00:c237:5189:8121:f752] (helo=localhost.localdomain) by mail.ilande.co.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qmHml-00033Y-1F; Fri, 29 Sep 2023 19:00:23 +0100 From: Mark Cave-Ayland To: laurent@vivier.eu, qemu-devel@nongnu.org Date: Fri, 29 Sep 2023 18:59:13 +0100 Message-Id: <20230929175917.511133-17-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230929175917.511133-1-mark.cave-ayland@ilande.co.uk> References: <20230929175917.511133-1-mark.cave-ayland@ilande.co.uk> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a00:23c4:8baf:5f00:c237:5189:8121:f752 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk Subject: [PATCH v3 16/20] mac_via: implement ADB_STATE_IDLE state if shift register in input mode X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on mail.ilande.co.uk) Received-SPF: pass client-ip=2001:41c9:1:41f::167; envelope-from=mark.cave-ayland@ilande.co.uk; helo=mail.ilande.co.uk X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org NetBSD switches directly to IDLE state without switching the shift register to input mode. Duplicate the existing ADB_STATE_IDLE logic in input mode from when the shift register is in output mode which allows the ADB autopoll handler to handle the response. Signed-off-by: Mark Cave-Ayland Reviewed-by: Laurent Vivier --- hw/misc/mac_via.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/hw/misc/mac_via.c b/hw/misc/mac_via.c index 9f9c2815d0..3c41d6263d 100644 --- a/hw/misc/mac_via.c +++ b/hw/misc/mac_via.c @@ -702,6 +702,12 @@ static void adb_via_send(MOS6522Q800VIA1State *v1s, int state, uint8_t data) break; case ADB_STATE_IDLE: + ms->b |= VIA1B_vADBInt; + adb_autopoll_unblock(adb_bus); + + trace_via1_adb_send("IDLE", data, + (ms->b & VIA1B_vADBInt) ? "+" : "-"); + return; }