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2024-02-19 1c055e55a242a33e574e48be530e06770a210dcd

 kernel/sound/hda/ext/hdac_ext_controller.c
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@@ -1,18 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *  hdac-ext-controller.c - HD-audio extended controller functions.
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  *
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  *  Copyright (C) 2014-2015 Intel Corp
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  *  Author: Jeeja KP <jeeja.kp@intel.com>
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  *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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- *
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- *  This program is free software; you can redistribute it and/or modify
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- *  it under the terms of the GNU General Public License as published by
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- *  the Free Software Foundation; version 2 of the License.
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- *
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- *  This program is distributed in the hope that it will be useful, but
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- *  WITHOUT ANY WARRANTY; without even the implied warranty of
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- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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- *  General Public License for more details.
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  *
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  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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  */
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@@ -36,7 +28,7 @@
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 /**
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  * snd_hdac_ext_bus_ppcap_enable - enable/disable processing pipe capability
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- * @ebus: HD-audio extended core bus
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+ * @bus: the pointer to HDAC bus object
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  * @enable: flag to turn on/off the capability
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  */
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 void snd_hdac_ext_bus_ppcap_enable(struct hdac_bus *bus, bool enable)
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@@ -58,7 +50,7 @@
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 /**
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  * snd_hdac_ext_bus_ppcap_int_enable - ppcap interrupt enable/disable
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- * @ebus: HD-audio extended core bus
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+ * @bus: the pointer to HDAC bus object
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  * @enable: flag to enable/disable interrupt
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  */
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 void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_bus *bus, bool enable)
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@@ -85,7 +77,7 @@
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 /**
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  * snd_hdac_ext_bus_get_ml_capabilities - get multilink capability
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- * @ebus: HD-audio extended core bus
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+ * @bus: the pointer to HDAC bus object
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  *
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  * This will parse all links and read the mlink capabilities and add them
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  * in hlink_list of extended hdac bus
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@@ -125,7 +117,7 @@
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 /**
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  * snd_hdac_link_free_all- free hdac extended link objects
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  *
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- * @ebus: HD-audio ext core bus
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+ * @bus: the pointer to HDAC bus object
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  */
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 void snd_hdac_link_free_all(struct hdac_bus *bus)
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@@ -142,7 +134,7 @@
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 /**
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  * snd_hdac_ext_bus_get_link_index - get link based on codec name
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- * @ebus: HD-audio extended core bus
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+ * @bus: the pointer to HDAC bus object
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  * @codec_name: codec name
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  */
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 struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_bus *bus,
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@@ -221,7 +213,7 @@
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 /**
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  * snd_hdac_ext_bus_link_power_up_all -power up all hda link
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- * @ebus: HD-audio extended bus
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+ * @bus: the pointer to HDAC bus object
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  */
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 int snd_hdac_ext_bus_link_power_up_all(struct hdac_bus *bus)
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 {
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@@ -242,7 +234,7 @@
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 /**
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  * snd_hdac_ext_bus_link_power_down_all -power down all hda link
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- * @ebus: HD-audio extended bus
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+ * @bus: the pointer to HDAC bus object
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  */
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 int snd_hdac_ext_bus_link_power_down_all(struct hdac_bus *bus)
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 {
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@@ -282,6 +274,11 @@
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 		ret = snd_hdac_ext_bus_link_power_up(link);
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 		/*
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+		 * clear the register to invalidate all the output streams
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+		 */
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+		snd_hdac_updatew(link->ml_addr, AZX_REG_ML_LOSIDV,
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+				 ML_LOSIDV_STREAM_MASK, 0);
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+		/*
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 		 *  wait for 521usec for codec to report status
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 		 *  HDA spec section 4.3 - Codec Discovery
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 		 */