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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DC448C433FE for ; Fri, 11 Nov 2022 01:30:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232134AbiKKBaU (ORCPT ); Thu, 10 Nov 2022 20:30:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48894 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232140AbiKKBaD (ORCPT ); Thu, 10 Nov 2022 20:30:03 -0500 Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 02E2663147 for ; Thu, 10 Nov 2022 17:29:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1668130196; x=1699666196; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=0p3boPfp645wf/wMw+Y2tkE1nhsOJBG7jEtTIrVuN+w=; b=YhpRxmwERADBNXBIImZJQSxbOEKe+pynK+83dhl9rKUWBhhQeBSP6R+g dNsZtm1Hqg8GjabGMa7B3rGueBPdLQBFSq9X4DKzi2JZ9BLmSIfvqbYDi QPTdeIKlYkyjIooSir00DLwMFZF3LiRTWUwNEkq4FuIr+LmXM5cLix34l AMjCTtYtOtiUptL7gsrRKXDFDGWvYppJTMZg2tuurP9wXXCM290G1zeyZ hnFX9Ha+9IJXXDzMmbAcmqELLXJ4fhjfK1Dzbi2cmVTvDYb1Jl0cL/84n iiP3KxanURPWMOBDkyJW6oNh6j0HeTbAmHl2hajqHzM43n4oy12k8e8hL A==; X-IronPort-AV: E=McAfee;i="6500,9779,10527"; a="294847826" X-IronPort-AV: E=Sophos;i="5.96,155,1665471600"; d="scan'208";a="294847826" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2022 17:29:56 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10527"; a="780003256" X-IronPort-AV: E=Sophos;i="5.96,155,1665471600"; d="scan'208";a="780003256" Received: from bard-ubuntu.sh.intel.com ([10.239.185.57]) by fmsmga001-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2022 17:29:54 -0800 From: Bard Liao To: alsa-devel@alsa-project.org, vkoul@kernel.org Cc: vinod.koul@linaro.org, linux-kernel@vger.kernel.org, pierre-louis.bossart@linux.intel.com, bard.liao@intel.com Subject: [PATCH 5/7] soundwire: intel: add link power management callbacks in hw_ops Date: Fri, 11 Nov 2022 09:31:32 +0800 Message-Id: <20221111013135.38289-6-yung-chuan.liao@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221111013135.38289-1-yung-chuan.liao@linux.intel.com> References: <20221111013135.38289-1-yung-chuan.liao@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Pierre-Louis Bossart No functionality change, only add indirection for link power management helpers. Signed-off-by: Pierre-Louis Bossart Reviewed-by: Rander Wang Signed-off-by: Bard Liao --- drivers/soundwire/intel.c | 23 +++++++++++++---------- drivers/soundwire/intel.h | 14 ++++++++++++++ include/linux/soundwire/sdw_intel.h | 5 +++++ 3 files changed, 32 insertions(+), 10 deletions(-) diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index 6d2fdf3a01fd..2320f1b8a2d1 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -1434,6 +1434,9 @@ const struct sdw_intel_hw_ops sdw_intel_cnl_hw_ops = { .start_bus_after_clock_stop = intel_start_bus_after_clock_stop, .stop_bus = intel_stop_bus, + .link_power_up = intel_link_power_up, + .link_power_down = intel_link_power_down, + .pre_bank_switch = intel_pre_bank_switch, .post_bank_switch = intel_post_bank_switch, }; @@ -1614,7 +1617,7 @@ int intel_link_startup(struct auxiliary_device *auxdev) bus->multi_link = multi_link; /* Initialize shim, controller */ - ret = intel_link_power_up(sdw); + ret = sdw_intel_link_power_up(sdw); if (ret) goto err_init; @@ -1679,7 +1682,7 @@ int intel_link_startup(struct auxiliary_device *auxdev) return 0; err_power_up: - intel_link_power_down(sdw); + sdw_intel_link_power_down(sdw); err_init: return ret; } @@ -1935,7 +1938,7 @@ static int __maybe_unused intel_resume(struct device *dev) pm_runtime_idle(dev); } - ret = intel_link_power_up(sdw); + ret = sdw_intel_link_power_up(sdw); if (ret) { dev_err(dev, "%s failed: %d\n", __func__, ret); return ret; @@ -1950,7 +1953,7 @@ static int __maybe_unused intel_resume(struct device *dev) ret = sdw_intel_start_bus(sdw); if (ret < 0) { dev_err(dev, "cannot start bus during resume\n"); - intel_link_power_down(sdw); + sdw_intel_link_power_down(sdw); return ret; } @@ -1989,7 +1992,7 @@ static int __maybe_unused intel_resume_runtime(struct device *dev) clock_stop_quirks = sdw->link_res->clock_stop_quirks; if (clock_stop_quirks & SDW_INTEL_CLK_STOP_TEARDOWN) { - ret = intel_link_power_up(sdw); + ret = sdw_intel_link_power_up(sdw); if (ret) { dev_err(dev, "%s: power_up failed after teardown: %d\n", __func__, ret); return ret; @@ -2004,13 +2007,13 @@ static int __maybe_unused intel_resume_runtime(struct device *dev) ret = sdw_intel_start_bus(sdw); if (ret < 0) { dev_err(dev, "%s: cannot start bus after teardown: %d\n", __func__, ret); - intel_link_power_down(sdw); + sdw_intel_link_power_down(sdw); return ret; } } else if (clock_stop_quirks & SDW_INTEL_CLK_STOP_BUS_RESET) { - ret = intel_link_power_up(sdw); + ret = sdw_intel_link_power_up(sdw); if (ret) { dev_err(dev, "%s: power_up failed after bus reset: %d\n", __func__, ret); return ret; @@ -2019,14 +2022,14 @@ static int __maybe_unused intel_resume_runtime(struct device *dev) ret = sdw_intel_start_bus_after_reset(sdw); if (ret < 0) { dev_err(dev, "%s: cannot start bus after reset: %d\n", __func__, ret); - intel_link_power_down(sdw); + sdw_intel_link_power_down(sdw); return ret; } } else if (!clock_stop_quirks) { sdw_intel_check_clock_stop(sdw); - ret = intel_link_power_up(sdw); + ret = sdw_intel_link_power_up(sdw); if (ret) { dev_err(dev, "%s: power_up failed: %d\n", __func__, ret); return ret; @@ -2035,7 +2038,7 @@ static int __maybe_unused intel_resume_runtime(struct device *dev) ret = sdw_intel_start_bus_after_clock_stop(sdw); if (ret < 0) { dev_err(dev, "%s: cannot start bus after clock stop: %d\n", __func__, ret); - intel_link_power_down(sdw); + sdw_intel_link_power_down(sdw); return ret; } } else { diff --git a/drivers/soundwire/intel.h b/drivers/soundwire/intel.h index 99a2d875a331..0f63e7584132 100644 --- a/drivers/soundwire/intel.h +++ b/drivers/soundwire/intel.h @@ -118,4 +118,18 @@ static inline int sdw_intel_stop_bus(struct sdw_intel *sdw, bool clock_stop) return -ENOTSUPP; } +static inline int sdw_intel_link_power_up(struct sdw_intel *sdw) +{ + if (SDW_INTEL_CHECK_OPS(sdw, link_power_up)) + return SDW_INTEL_OPS(sdw, link_power_up)(sdw); + return -ENOTSUPP; +} + +static inline int sdw_intel_link_power_down(struct sdw_intel *sdw) +{ + if (SDW_INTEL_CHECK_OPS(sdw, link_power_down)) + return SDW_INTEL_OPS(sdw, link_power_down)(sdw); + return -ENOTSUPP; +} + #endif /* __SDW_INTEL_LOCAL_H */ diff --git a/include/linux/soundwire/sdw_intel.h b/include/linux/soundwire/sdw_intel.h index cee61bc9af8a..81430201b8b9 100644 --- a/include/linux/soundwire/sdw_intel.h +++ b/include/linux/soundwire/sdw_intel.h @@ -305,6 +305,8 @@ struct sdw_intel; * @start_bus_after_reset: start after reset * @start_bus_after_clock_stop: start after mode0 clock stop * @stop_bus: stop all bus + * @link_power_up: power-up using chip-specific helpers + * @link_power_down: power-down with chip-specific helpers * @pre_bank_switch: helper for bus management * @post_bank_switch: helper for bus management */ @@ -320,6 +322,9 @@ struct sdw_intel_hw_ops { int (*start_bus_after_clock_stop)(struct sdw_intel *sdw); int (*stop_bus)(struct sdw_intel *sdw, bool clock_stop); + int (*link_power_up)(struct sdw_intel *sdw); + int (*link_power_down)(struct sdw_intel *sdw); + int (*pre_bank_switch)(struct sdw_intel *sdw); int (*post_bank_switch)(struct sdw_intel *sdw); }; -- 2.25.1