From patchwork Thu Dec 12 11:46:14 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Cave-Ayland X-Patchwork-Id: 13905059 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2CDC1E7717F for ; Thu, 12 Dec 2024 11:51:40 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tLhg2-0002P2-AX; Thu, 12 Dec 2024 06:48:18 -0500 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 1tLhfz-0002Ep-Vo for qemu-devel@nongnu.org; Thu, 12 Dec 2024 06:48:16 -0500 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 1tLhfx-0007Md-R8 for qemu-devel@nongnu.org; Thu, 12 Dec 2024 06:48:15 -0500 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; bh=gOs4H+384JMlQVQn68q+WeAKmre7IyZcDaGglzAPO/k=; b=f78KqhTdAZ2dM+y3Crscs7CJ1r oeHC8t65hss1KI1S3xV6lC0OS3qduYtiRREujXxLYQJw7XKQUKMv2p1/T05NZF+r75giFfOo6Jc1V 1E4VDnSmM4EI3F2r0FsfJF6qZ6e8LcYWDm6hbFruCUp4vNQp08JkUl/13lnjNhPWYOhzU73TTmlgh R5Ho3ye1+PSGwGGeSV2hrBXnTPgcRZ2ZYeutEdWfcilel3terjL0+MzIiC0quBP228nFJay28Z+qW g7I1sw06hBu0Obr3xOF9rXZvVOYjDtK9rRFQRV0ErmGpu3bt11em3PmAG35w8uGb2ZyXTLfKy8ryj 8D8waKo18LGoZlwEEsp5If+vOUVZKJzTIlgflvN7fCn51UxHG5l/7FbD9NxkK5RsQd+4sKiRvTjwN H5aZmcwxCb1Pu9HkIV7d03J4r0PLRZ7g1YZXD1JffDzF/dOFMhh5KUPesS3wTnI8wmmwBYXXmr+nr qdUJg0FGfA99ugHMrGLWBz5nIMU/G1kfgr0MBALSbZ+TekJxLWC5MXZMyzXG97g5hDD/ZZFsax2Pl bqkrAGxgnGU0xPOXcqe+MfZfiOjyBXz6d74+L3r1moaVvoO2O0NlKMzAJAnAY+9eR58J8288rG9K6 mPMvLRn+YOq82evBebuHOye+DJ+N8cJ40jLTaZUHg=; Received: from [2a02:8012:c93d:0:260e:bf57:a4e9:8142] (helo=cheesecake.fritz.box) by mail.ilande.co.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1tLhfG-00070a-Ni; Thu, 12 Dec 2024 11:47:31 +0000 From: Mark Cave-Ayland To: huth@tuxfamily.org, qemu-devel@nongnu.org Date: Thu, 12 Dec 2024 11:46:14 +0000 Message-Id: <20241212114620.549285-29-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20241212114620.549285-1-mark.cave-ayland@ilande.co.uk> References: <20241212114620.549285-1-mark.cave-ayland@ilande.co.uk> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a02:8012:c93d:0:260e:bf57:a4e9:8142 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk Subject: [PATCH v2 28/34] next-cube: use named gpio output for next-rtc data 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Add a named gpio output for the next-rtc data and then update next_rtc_data_in_irq() to drive the IRQ directly. This enables the next-rtc to next-pc data to be wired up using the standard qdev gpio APIs. At the same time rename the pc-rtc-data-in gpio to rtc-data-in which is possible now that the previous rtc-data-in gpio has been moved to the next-rtc device. Signed-off-by: Mark Cave-Ayland --- hw/m68k/next-cube.c | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) diff --git a/hw/m68k/next-cube.c b/hw/m68k/next-cube.c index 35eeeb0d59..5d3ffebb93 100644 --- a/hw/m68k/next-cube.c +++ b/hw/m68k/next-cube.c @@ -56,6 +56,8 @@ struct NeXTRTC { uint8_t status; uint8_t control; uint8_t retval; + + qemu_irq data_out_irq; }; #define TYPE_NEXT_SCSI "next-scsi" @@ -234,13 +236,10 @@ static void next_rtc_data_in_irq(void *opaque, int n, int level) rtc->value = (rtc->value << 1) | level; } else { /* Shift out value to read */ - qemu_irq rtc_data_in_irq = qdev_get_gpio_in_named( - DEVICE(s), "pc-rtc-data-in", 0); - if (rtc->retval & (0x80 >> (rtc->phase - 8))) { - qemu_irq_raise(rtc_data_in_irq); + qemu_irq_raise(rtc->data_out_irq); } else { - qemu_irq_lower(rtc_data_in_irq); + qemu_irq_lower(rtc->data_out_irq); } } } @@ -1028,8 +1027,12 @@ static void next_rtc_reset_hold(Object *obj, ResetType type) static void next_rtc_init(Object *obj) { + NeXTRTC *rtc = NEXT_RTC(obj); + qdev_init_gpio_in_named(DEVICE(obj), next_rtc_data_in_irq, "rtc-data-in", 1); + qdev_init_gpio_out_named(DEVICE(obj), &rtc->data_out_irq, + "rtc-data-out", 1); } static const VMStateDescription next_rtc_vmstate = { @@ -1136,6 +1139,10 @@ static void next_pc_realize(DeviceState *dev, Error **errp) /* Data from NeXTPC to RTC */ qdev_connect_gpio_out_named(dev, "rtc-data-out", 0, qdev_get_gpio_in_named(d, "rtc-data-in", 0)); + /* Data from RTC to NeXTPC */ + qdev_connect_gpio_out_named(d, "rtc-data-out", 0, + qdev_get_gpio_in_named(dev, + "rtc-data-in", 0)); } static void next_pc_init(Object *obj) @@ -1173,7 +1180,7 @@ static void next_pc_init(Object *obj) s->rtc_power_irq = qdev_get_gpio_in(DEVICE(obj), NEXT_PWR_I); qdev_init_gpio_in_named(DEVICE(obj), next_pc_rtc_data_in_irq, - "pc-rtc-data-in", 1); + "rtc-data-in", 1); qdev_init_gpio_out_named(DEVICE(obj), &s->rtc_data_irq, "rtc-data-out", 1); }