From patchwork Sun Dec 22 13:00:07 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: 13918067 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 3F4FDE77188 for ; Sun, 22 Dec 2024 13:11:20 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tPLdX-0002ji-8q; Sun, 22 Dec 2024 08:04:47 -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 1tPLb9-0006NG-Hg for qemu-devel@nongnu.org; Sun, 22 Dec 2024 08:02:19 -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 1tPLb7-0000tE-0A for qemu-devel@nongnu.org; Sun, 22 Dec 2024 08:02:19 -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=/KNxCC3IIVCG1PLFDGwnCD8MM0+BceuNwbRv85D9eDE=; b=YsnnjR2Z6+PDqCXlmYIrHZy8tA C/J9AbWJq4dofVkrC2Nc9Jm9Jz75KWnKS1gA4WZ7gmNmS6wF+yimkNu7lt33WfrWOy95gOCn1SeIu wYAJzqkf3TsrvxC+lRdfzmkl/XqNv2PTjoaMldM5wSD2ir+HNENF04QByqQy6ec0h8IKWnAWXySXV vDl4ChQhrcu7CSrV2X4YsBEjc/kzltLsZtvjUV5BvknWc7mztKR2qwTBMXCG8r/OvDKuVYKoGJDlp P5DpSmtaoCAybljZb9skbAewe/dIqSfNd5kE3VSPrgJBd0HnVWp5IEn55tLfJT28bTCSK5g3x6bGn 4xAsyCZnIh6YYoTHi3mHDF+dNouifYHTXNxRQj0H2wQ8HzZ07lxptIFvBrLn9F5rtUEzxxEv1xcay X8SA7xZt7r4v160zf5nZ4iuncoE48UrXGkzXwjz2/D6Kl2kR8cFoZcK6pqSQqktDz35cRg6F7lbCV aA8OLSSuHHnNDs4As+QrtKi/5dyB+GAvjYdAu+ecl3T5YEbzb7XIbo2C7i4s9q73XT9UaOUoXtl2+ CJXsRX75nphb21+tBKWaiYmqgUepMorbOtDZPLikScuXOy62+BZIG8N4HsztDegcL7BdQWV1BevgO F+JExYw7BCCAnXkWj2KFHWUhTf3nKRLx5xm85yaNE=; Received: from [2a02:8012:2f01:0:33a9:475d:1cd9:884] (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 1tPLaN-0002L7-Le; Sun, 22 Dec 2024 13:01:31 +0000 From: Mark Cave-Ayland To: huth@tuxfamily.org, qemu-devel@nongnu.org Date: Sun, 22 Dec 2024 13:00:07 +0000 Message-Id: <20241222130012.1013374-29-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20241222130012.1013374-1-mark.cave-ayland@ilande.co.uk> References: <20241222130012.1013374-1-mark.cave-ayland@ilande.co.uk> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a02:8012:2f01:0:33a9:475d:1cd9:884 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk Subject: [PATCH v3 28/33] 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 83154a3661..8edf51198e 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); }