From patchwork Fri Nov 11 01:31:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bard Liao X-Patchwork-Id: 13039485 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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (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 6FFE1C4332F for ; Fri, 11 Nov 2022 01:31:46 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 983E11680; Fri, 11 Nov 2022 02:30:54 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 983E11680 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1668130304; bh=TfJuVFvlR2o3KJEqap1qG3gwJRndC/YxttEpCE8qBl8=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=IgMMNHtJNuS4WuxVuuxgKFOw7OO97eQR60OVktj5hy6yPcPSJNAfy9IKMWvGDnX6a aaSan7Ro3vX4gHxi46a9BU3AmuJlse9bcd5SiggIrHMu3irOcSUnXyxxLbujcrhz34 BtVA0PQtjktMfWxm9TY7Jy8BWW6QSgZNQJnBuSpE= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 76247F80568; Fri, 11 Nov 2022 02:30:06 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 9F845F80568; Fri, 11 Nov 2022 02:30:04 +0100 (CET) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 3AB63F80104 for ; Fri, 11 Nov 2022 02:29:55 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 3AB63F80104 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="O2QX6v3C" 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=TfJuVFvlR2o3KJEqap1qG3gwJRndC/YxttEpCE8qBl8=; b=O2QX6v3Ci7F6n9KukZ03LAYZy1kHJP0h3lXYlT+LzFj8TL4YKmtOXHOC wnqy4ZltJ26uTkyu71kJ17jVcfJBOIYAjOoVb7CMQFPJ2OpWYpKcYdwAl 2vUYuAWB9AgFcacfdeTnqQi5tSw92tNJdP/1lsfosCjErdQlKTugUD4UB 9UacswHgrIJIzEAWOGf85bvj8chyCDXq6mezcOBE75fOE9RrNSCeo7qly ZgxCsgTKwJ06fQQoBl6LW7ti+gEQV/Q91CkPFZ8ktBO8RxFu/9y3duAl6 RKdgcz9D5hG/yl6cjFzuwAeJ0moo6pOF0WlhW63PbYvUJKA0mxLiZvQDT w==; X-IronPort-AV: E=McAfee;i="6500,9779,10527"; a="397789730" X-IronPort-AV: E=Sophos;i="5.96,155,1665471600"; d="scan'208";a="397789730" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2022 17:29:54 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10527"; a="780003244" X-IronPort-AV: E=Sophos;i="5.96,155,1665471600"; d="scan'208";a="780003244" 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 17:29:52 -0800 From: Bard Liao To: alsa-devel@alsa-project.org, vkoul@kernel.org Subject: [PATCH 4/7] soundwire: intel: add bus management callbacks in hw_ops Date: Fri, 11 Nov 2022 09:31:31 +0800 Message-Id: <20221111013135.38289-5-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 Cc: pierre-louis.bossart@linux.intel.com, vinod.koul@linaro.org, bard.liao@intel.com, linux-kernel@vger.kernel.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" From: Pierre-Louis Bossart No functionality change, only add indirection for bus management helpers. Signed-off-by: Pierre-Louis Bossart Reviewed-by: Rander Wang Signed-off-by: Bard Liao --- drivers/soundwire/intel.c | 24 ++++++++++++-------- drivers/soundwire/intel.h | 34 +++++++++++++++++++++++++++++ include/linux/soundwire/sdw_intel.h | 11 ++++++++++ 3 files changed, 60 insertions(+), 9 deletions(-) diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index 0496eb0d6084..6d2fdf3a01fd 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -1428,6 +1428,12 @@ const struct sdw_intel_hw_ops sdw_intel_cnl_hw_ops = { .register_dai = intel_register_dai, + .check_clock_stop = intel_check_clock_stop, + .start_bus = intel_start_bus, + .start_bus_after_reset = intel_start_bus_after_reset, + .start_bus_after_clock_stop = intel_start_bus_after_clock_stop, + .stop_bus = intel_stop_bus, + .pre_bank_switch = intel_pre_bank_switch, .post_bank_switch = intel_post_bank_switch, }; @@ -1622,7 +1628,7 @@ int intel_link_startup(struct auxiliary_device *auxdev) sdw_intel_debugfs_init(sdw); /* start bus */ - ret = intel_start_bus(sdw); + ret = sdw_intel_start_bus(sdw); if (ret) { dev_err(dev, "bus start failed: %d\n", ret); goto err_power_up; @@ -1850,7 +1856,7 @@ static int __maybe_unused intel_suspend(struct device *dev) return 0; } - ret = intel_stop_bus(sdw, false); + ret = sdw_intel_stop_bus(sdw, false); if (ret < 0) { dev_err(dev, "%s: cannot stop bus: %d\n", __func__, ret); return ret; @@ -1876,14 +1882,14 @@ static int __maybe_unused intel_suspend_runtime(struct device *dev) clock_stop_quirks = sdw->link_res->clock_stop_quirks; if (clock_stop_quirks & SDW_INTEL_CLK_STOP_TEARDOWN) { - ret = intel_stop_bus(sdw, false); + ret = sdw_intel_stop_bus(sdw, false); if (ret < 0) { dev_err(dev, "%s: cannot stop bus during teardown: %d\n", __func__, ret); return ret; } } else if (clock_stop_quirks & SDW_INTEL_CLK_STOP_BUS_RESET || !clock_stop_quirks) { - ret = intel_stop_bus(sdw, true); + ret = sdw_intel_stop_bus(sdw, true); if (ret < 0) { dev_err(dev, "%s: cannot stop bus during clock_stop: %d\n", __func__, ret); @@ -1941,7 +1947,7 @@ static int __maybe_unused intel_resume(struct device *dev) */ sdw_clear_slave_status(bus, SDW_UNATTACH_REQUEST_MASTER_RESET); - ret = intel_start_bus(sdw); + ret = sdw_intel_start_bus(sdw); if (ret < 0) { dev_err(dev, "cannot start bus during resume\n"); intel_link_power_down(sdw); @@ -1995,7 +2001,7 @@ static int __maybe_unused intel_resume_runtime(struct device *dev) */ sdw_clear_slave_status(bus, SDW_UNATTACH_REQUEST_MASTER_RESET); - ret = intel_start_bus(sdw); + 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); @@ -2010,7 +2016,7 @@ static int __maybe_unused intel_resume_runtime(struct device *dev) return ret; } - ret = intel_start_bus_after_reset(sdw); + 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); @@ -2018,7 +2024,7 @@ static int __maybe_unused intel_resume_runtime(struct device *dev) } } else if (!clock_stop_quirks) { - intel_check_clock_stop(sdw); + sdw_intel_check_clock_stop(sdw); ret = intel_link_power_up(sdw); if (ret) { @@ -2026,7 +2032,7 @@ static int __maybe_unused intel_resume_runtime(struct device *dev) return ret; } - ret = intel_start_bus_after_clock_stop(sdw); + 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); diff --git a/drivers/soundwire/intel.h b/drivers/soundwire/intel.h index 0521cab311a3..99a2d875a331 100644 --- a/drivers/soundwire/intel.h +++ b/drivers/soundwire/intel.h @@ -84,4 +84,38 @@ static inline int sdw_intel_register_dai(struct sdw_intel *sdw) return -ENOTSUPP; } +static inline void sdw_intel_check_clock_stop(struct sdw_intel *sdw) +{ + if (SDW_INTEL_CHECK_OPS(sdw, check_clock_stop)) + SDW_INTEL_OPS(sdw, check_clock_stop)(sdw); +} + +static inline int sdw_intel_start_bus(struct sdw_intel *sdw) +{ + if (SDW_INTEL_CHECK_OPS(sdw, start_bus)) + return SDW_INTEL_OPS(sdw, start_bus)(sdw); + return -ENOTSUPP; +} + +static inline int sdw_intel_start_bus_after_reset(struct sdw_intel *sdw) +{ + if (SDW_INTEL_CHECK_OPS(sdw, start_bus_after_reset)) + return SDW_INTEL_OPS(sdw, start_bus_after_reset)(sdw); + return -ENOTSUPP; +} + +static inline int sdw_intel_start_bus_after_clock_stop(struct sdw_intel *sdw) +{ + if (SDW_INTEL_CHECK_OPS(sdw, start_bus_after_clock_stop)) + return SDW_INTEL_OPS(sdw, start_bus_after_clock_stop)(sdw); + return -ENOTSUPP; +} + +static inline int sdw_intel_stop_bus(struct sdw_intel *sdw, bool clock_stop) +{ + if (SDW_INTEL_CHECK_OPS(sdw, stop_bus)) + return SDW_INTEL_OPS(sdw, stop_bus)(sdw, clock_stop); + return -ENOTSUPP; +} + #endif /* __SDW_INTEL_LOCAL_H */ diff --git a/include/linux/soundwire/sdw_intel.h b/include/linux/soundwire/sdw_intel.h index 5be63d4fe62e..cee61bc9af8a 100644 --- a/include/linux/soundwire/sdw_intel.h +++ b/include/linux/soundwire/sdw_intel.h @@ -300,6 +300,11 @@ struct sdw_intel; * @debugfs_init: initialize all debugfs capabilities * @debugfs_exit: close and cleanup debugfs capabilities * @register_dai: read all PDI information and register DAIs + * @check_clock_stop: throw error message if clock is not stopped. + * @start_bus: normal start + * @start_bus_after_reset: start after reset + * @start_bus_after_clock_stop: start after mode0 clock stop + * @stop_bus: stop all bus * @pre_bank_switch: helper for bus management * @post_bank_switch: helper for bus management */ @@ -309,6 +314,12 @@ struct sdw_intel_hw_ops { int (*register_dai)(struct sdw_intel *sdw); + void (*check_clock_stop)(struct sdw_intel *sdw); + int (*start_bus)(struct sdw_intel *sdw); + int (*start_bus_after_reset)(struct sdw_intel *sdw); + int (*start_bus_after_clock_stop)(struct sdw_intel *sdw); + int (*stop_bus)(struct sdw_intel *sdw, bool clock_stop); + int (*pre_bank_switch)(struct sdw_intel *sdw); int (*post_bank_switch)(struct sdw_intel *sdw); };