From mboxrd@z Thu Jan 1 00:00:00 1970 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 2B724FD4F19 for ; Tue, 10 Mar 2026 18:23:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EAC0010E783; Tue, 10 Mar 2026 18:23:53 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="LCzAcRkq"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) by gabe.freedesktop.org (Postfix) with ESMTPS id B6D7B10E784 for ; Tue, 10 Mar 2026 18:23:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1773167033; x=1804703033; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=sG+y6J3UKo3LzPRrUNS+ZfQ8oVyUB8W1AzNV05vdIOE=; b=LCzAcRkqyxfgHHw/GsbTX8DoQEzLHo6n5gJnThOMcdk+aKRwsyGtEdgx nSQ/RznXXMgANsjZXk/7tQM/3Ks0bPMFjFJKaK5x0866NbMEBk2ctUlaG VsIMkzxdpcHGrZVAM9ew3YIpsUmSyhbu5aaNgyWLrZfC7q+1J8w8z8ZZw vig2qBgZyGz/VMsXJ1XagR6uNgGmNC0t8S9AY1tZVi5h2lqf/OyOUeCmg AZyENB0vM5FD8giydChkqakqYaw5oWO9asSTj0nawtHVGELKv4Vi9/O4s gRNi//0FzLPImF4hHmSrz7HF3ukO22BmF887ITI+vBdLZTzDDcEAx6Luc g==; X-CSE-ConnectionGUID: 4FBp709ITX+ir3mSCrFFMA== X-CSE-MsgGUID: 6C0NkN2sTy6cZJRdPch+dg== X-IronPort-AV: E=McAfee;i="6800,10657,11725"; a="78109815" X-IronPort-AV: E=Sophos;i="6.23,112,1770624000"; d="scan'208";a="78109815" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Mar 2026 11:23:52 -0700 X-CSE-ConnectionGUID: OzaLOz91TlmPPVkMuaS9Cw== X-CSE-MsgGUID: PElOEBJTQiqDSazSX8sHaQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,112,1770624000"; d="scan'208";a="258127622" Received: from anoopcvi-vm.gar.corp.intel.com ([10.109.80.88]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Mar 2026 11:23:48 -0700 From: "Anoop, Vijay" To: intel-xe@lists.freedesktop.org Cc: umesh.nerlige.ramappa@intel.com, badal.nilawar@intel.com, rodrigo.vivi@intel.com, aravind.iddamsetty@intel.com, riana.tauro@intel.com, anshuman.gupta@intel.com, matthew.d.roper@intel.com, michael.j.ruhl@intel.com, paul.e.luse@intel.com, mohamed.mansoor.v@intel.com, kam.nasim@intel.com, anoop.c.vijay@intel.com Subject: [PATCH v9 2/6] drm/xe/sysctrl: Add System Controller register definitions Date: Tue, 10 Mar 2026 11:23:21 -0700 Message-ID: <20260310182336.611041-10-anoop.c.vijay@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260310182336.611041-8-anoop.c.vijay@intel.com> References: <20260310182336.611041-8-anoop.c.vijay@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" From: Anoop Vijay Add register definitions for System Controller mailbox interface: - Control and data registers - Protocol frame control fields - Base address and BAR configuration No functional changes, just register definitions. Signed-off-by: Anoop Vijay Reviewed-by: Umesh Nerlige Ramappa --- v4: (Matt) - Use lowercase hex values - Align macro definitions to column 49 - Change to relative register offsets v6: (Matt) - Move protocol constants to xe_sysctrl_mailbox_types.h - Add SYSCTRL_MB_CTRL_MKHI_CMD helper macro v9: (Umesh, Badal) - Normalized hexadecimal literal casing - Renamed MKHI to SCHI (System Controller Host Interface) --- drivers/gpu/drm/xe/regs/xe_sysctrl_regs.h | 36 +++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 drivers/gpu/drm/xe/regs/xe_sysctrl_regs.h diff --git a/drivers/gpu/drm/xe/regs/xe_sysctrl_regs.h b/drivers/gpu/drm/xe/regs/xe_sysctrl_regs.h new file mode 100644 index 000000000000..30dd78780ea9 --- /dev/null +++ b/drivers/gpu/drm/xe/regs/xe_sysctrl_regs.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2026 Intel Corporation + */ + +#ifndef _XE_SYSCTRL_REGS_H_ +#define _XE_SYSCTRL_REGS_H_ + +#include "xe_regs.h" + +#define SYSCTRL_BASE_OFFSET 0xdb000 +#define SYSCTRL_BASE (SOC_BASE + SYSCTRL_BASE_OFFSET) +#define SYSCTRL_MAILBOX_INDEX 0x03 +#define SYSCTRL_BAR_LENGTH 0x1000 + +#define SYSCTRL_MB_CTRL XE_REG(0x10) +#define SYSCTRL_MB_CTRL_RUN_BUSY REG_BIT(31) +#define SYSCTRL_MB_CTRL_IRQ REG_BIT(30) +#define SYSCTRL_MB_CTRL_RUN_BUSY_OUT REG_BIT(29) +#define SYSCTRL_MB_CTRL_PARAM3_MASK REG_GENMASK(28, 24) +#define SYSCTRL_MB_CTRL_PARAM2_MASK REG_GENMASK(23, 16) +#define SYSCTRL_MB_CTRL_PARAM1_MASK REG_GENMASK(15, 8) +#define SYSCTRL_MB_CTRL_COMMAND_MASK REG_GENMASK(7, 0) +#define SYSCTRL_MB_CTRL_SCHI_CMD REG_FIELD_PREP(SYSCTRL_MB_CTRL_COMMAND_MASK, 5) + +#define SYSCTRL_MB_DATA0 XE_REG(0x14) +#define SYSCTRL_MB_DATA1 XE_REG(0x18) +#define SYSCTRL_MB_DATA2 XE_REG(0x1c) +#define SYSCTRL_MB_DATA3 XE_REG(0x20) + +#define SCHI_FRAME_PHASE REG_BIT(24) +#define SCHI_FRAME_CURRENT_MASK REG_GENMASK(21, 16) +#define SCHI_FRAME_TOTAL_MASK REG_GENMASK(13, 8) +#define SCHI_FRAME_COMMAND_MASK REG_GENMASK(7, 0) + +#endif -- 2.43.0