From patchwork Tue Sep 3 20:38:46 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: 13789284 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 DF178CD37AE for ; Tue, 3 Sep 2024 20:39:47 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1slaIq-0001hh-Rs; Tue, 03 Sep 2024 16:39:05 -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 1slaIo-0001h6-Ux for qemu-devel@nongnu.org; Tue, 03 Sep 2024 16:39:02 -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 1slaIn-0007Jn-36 for qemu-devel@nongnu.org; Tue, 03 Sep 2024 16:39:02 -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: 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:In-Reply-To:References; bh=Ga9tUbl5e/OUDNpGNSOGPDIqAIn+xVuhJzCQUVAeQiU=; b=oCsZA6pWIc1ik3mu8y0ZnlUcpL mV5L/o7fwRlxKL4VQABQuf7F82MrJTURWcFl//RtOVBUQiTVgC3uMF9Uttnk3Wi2MipN0ImM9ENo1 giEBDlksL2iilfXPMegBUKLPyj5qjk0Zu4by9TPBMdb0urp2UwBUcgkapaMpeFpWRjQsQLAhynBvd di2pPQ+ctpKWl+w1/coFGQN8HIBOztkDDI7A5ToqMwD37Rb/tPXVkCeKqWL0W/8+0VtfTpt26VpJQ 6UV05fjluPjUwUVdf6B97ZTpvzYOfQl6hkzzsfBJFOxgh5ikxuAvwnAwVy27pcSWv6oWz3X+CcMz7 yci8XCeE8lsjFAcqX7hBYq/3Zz1Dhd/UNN1BdcTW+2fK4mwK1KXqYkdfQC+cqueT8dY6hHxQDW4qg dlla8Z6g98md+Jbc3ycKJgUQuf1Ma+4MBkHvw0ew4hRE6fnGntaz64c+X+oe0WXam3+H9ksexhbyC W9jJ0HeTo/DnBVyF4jwEcIx42JIBzdCglSRf9ViR2Ws9+pehfYuMnpuRgoxjYfcGvz6zBErGHt0wL TJuGgpRJw3kM4Dg3uXOeJGIkW5Mb+6Bv51TShv8Fb+E3ZSKtfjglsMx6igAWoR8ZlMQAM0n+X+j+m BncT0GOmghenZB/Z7UbaWyHHjsG+GSW+oOVvjiuw0=; Received: from [2a00:23c4:8bb8:1400:a01b:a703:4166:127] (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 1slaIc-0008pg-VS; Tue, 03 Sep 2024 21:38:55 +0100 From: Mark Cave-Ayland To: chauser@pullman.com, marcandre.lureau@redhat.com, pbonzini@redhat.com, qemu-devel@nongnu.org Date: Tue, 3 Sep 2024 21:38:46 +0100 Message-Id: <20240903203846.144354-1-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a00:23c4:8bb8:1400:a01b:a703:4166:127 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk Subject: [PATCH v2] escc: convert Sun mouse to use QemuInputHandler 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, T_SCC_BODY_TEXT_LINE=-0.01 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 Update the Sun mouse implementation to use QemuInputHandler instead of the legacy qemu_add_mouse_event_handler() function. Note that this conversion adds extra sunmouse_* members to ESCCChannelState but they are not added to the migration stream (similar to the Sun keyboard members). If this were desired in future, the Sun devices should be split into separate devices and added to the migration stream there instead. Signed-off-by: Mark Cave-Ayland Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2518 Reviewed-by: Richard Henderson --- hw/char/escc.c | 88 +++++++++++++++++++++++++++++++----------- include/hw/char/escc.h | 3 ++ 2 files changed, 69 insertions(+), 22 deletions(-) v2: - Only allow left, middle and right button events (use bit 7 which is always set in the first byte to indicate a valid event) - Remove zero entries from the bmap table as static entries should be zero anyway diff --git a/hw/char/escc.c b/hw/char/escc.c index d450d70eda..641d4ee206 100644 --- a/hw/char/escc.c +++ b/hw/char/escc.c @@ -287,6 +287,7 @@ static void escc_reset_chn(ESCCChannelState *s) s->rxint = s->txint = 0; s->rxint_under_svc = s->txint_under_svc = 0; s->e0_mode = s->led_mode = s->caps_lock_mode = s->num_lock_mode = 0; + s->sunmouse_dx = s->sunmouse_dy = s->sunmouse_buttons = 0; clear_queue(s); } @@ -952,53 +953,96 @@ static void handle_kbd_command(ESCCChannelState *s, int val) } } -static void sunmouse_event(void *opaque, - int dx, int dy, int dz, int buttons_state) +static void sunmouse_handle_event(DeviceState *dev, QemuConsole *src, + InputEvent *evt) { - ESCCChannelState *s = opaque; - int ch; + ESCCChannelState *s = (ESCCChannelState *)dev; + InputMoveEvent *move; + InputBtnEvent *btn; + static const int bmap[INPUT_BUTTON__MAX] = { + [INPUT_BUTTON_LEFT] = 0x4, + [INPUT_BUTTON_MIDDLE] = 0x2, + [INPUT_BUTTON_RIGHT] = 0x1, + }; + + switch (evt->type) { + case INPUT_EVENT_KIND_REL: + move = evt->u.rel.data; + if (move->axis == INPUT_AXIS_X) { + s->sunmouse_dx += move->value; + } else if (move->axis == INPUT_AXIS_Y) { + s->sunmouse_dy -= move->value; + } + break; - trace_escc_sunmouse_event(dx, dy, buttons_state); - ch = 0x80 | 0x7; /* protocol start byte, no buttons pressed */ + case INPUT_EVENT_KIND_BTN: + btn = evt->u.btn.data; + if (bmap[btn->button]) { + if (btn->down) { + s->sunmouse_buttons |= bmap[btn->button]; + } else { + s->sunmouse_buttons &= ~bmap[btn->button]; + } + /* Indicate we have a supported button event */ + s->sunmouse_buttons |= 0x80; + } + break; - if (buttons_state & MOUSE_EVENT_LBUTTON) { - ch ^= 0x4; - } - if (buttons_state & MOUSE_EVENT_MBUTTON) { - ch ^= 0x2; + default: + /* keep gcc happy */ + break; } - if (buttons_state & MOUSE_EVENT_RBUTTON) { - ch ^= 0x1; +} + +static void sunmouse_sync(DeviceState *dev) +{ + ESCCChannelState *s = (ESCCChannelState *)dev; + int ch; + + if (s->sunmouse_dx == 0 && s->sunmouse_dy == 0 && + (s->sunmouse_buttons & 0x80) == 0) { + /* Nothing to do after button event filter */ + return; } + /* Clear our button event flag */ + s->sunmouse_buttons &= ~0x80; + trace_escc_sunmouse_event(s->sunmouse_dx, s->sunmouse_dy, + s->sunmouse_buttons); + ch = 0x80 | 0x7; /* protocol start byte, no buttons pressed */ + ch ^= s->sunmouse_buttons; put_queue(s, ch); - ch = dx; - + ch = s->sunmouse_dx; if (ch > 127) { ch = 127; } else if (ch < -127) { ch = -127; } - put_queue(s, ch & 0xff); + s->sunmouse_dx = 0; - ch = -dy; - + ch = s->sunmouse_dy; if (ch > 127) { ch = 127; } else if (ch < -127) { ch = -127; } - put_queue(s, ch & 0xff); + s->sunmouse_dy = 0; /* MSC protocol specifies two extra motion bytes */ - put_queue(s, 0); put_queue(s, 0); } +static const QemuInputHandler sunmouse_handler = { + .name = "QEMU Sun Mouse", + .mask = INPUT_EVENT_MASK_BTN | INPUT_EVENT_MASK_REL, + .event = sunmouse_handle_event, + .sync = sunmouse_sync, +}; + static void escc_init1(Object *obj) { ESCCState *s = ESCC(obj); @@ -1036,8 +1080,8 @@ static void escc_realize(DeviceState *dev, Error **errp) } if (s->chn[0].type == escc_mouse) { - qemu_add_mouse_event_handler(sunmouse_event, &s->chn[0], 0, - "QEMU Sun Mouse"); + s->chn[0].hs = qemu_input_handler_register((DeviceState *)(&s->chn[0]), + &sunmouse_handler); } if (s->chn[1].type == escc_kbd) { s->chn[1].hs = qemu_input_handler_register((DeviceState *)(&s->chn[1]), diff --git a/include/hw/char/escc.h b/include/hw/char/escc.h index 5669a5b811..8c4c6a7730 100644 --- a/include/hw/char/escc.h +++ b/include/hw/char/escc.h @@ -46,6 +46,9 @@ typedef struct ESCCChannelState { uint8_t rx, tx; QemuInputHandlerState *hs; char *sunkbd_layout; + int sunmouse_dx; + int sunmouse_dy; + int sunmouse_buttons; } ESCCChannelState; struct ESCCState {