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Diffstat (limited to 'sound/pci/hda/hda_component.c')
-rw-r--r--sound/pci/hda/hda_component.c212
1 files changed, 0 insertions, 212 deletions
diff --git a/sound/pci/hda/hda_component.c b/sound/pci/hda/hda_component.c
deleted file mode 100644
index 71860e2d6377..000000000000
--- a/sound/pci/hda/hda_component.c
+++ /dev/null
@@ -1,212 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * HD audio Component Binding Interface
- *
- * Copyright (C) 2021, 2023 Cirrus Logic, Inc. and
- * Cirrus Logic International Semiconductor Ltd.
- */
-
-#include <linux/acpi.h>
-#include <linux/component.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <sound/hda_codec.h>
-#include "hda_component.h"
-#include "hda_local.h"
-
-#ifdef CONFIG_ACPI
-void hda_component_acpi_device_notify(struct hda_component_parent *parent,
- acpi_handle handle, u32 event, void *data)
-{
- struct hda_component *comp;
- int i;
-
- mutex_lock(&parent->mutex);
- for (i = 0; i < ARRAY_SIZE(parent->comps); i++) {
- comp = hda_component_from_index(parent, i);
- if (comp->dev && comp->acpi_notify)
- comp->acpi_notify(acpi_device_handle(comp->adev), event, comp->dev);
- }
- mutex_unlock(&parent->mutex);
-}
-EXPORT_SYMBOL_NS_GPL(hda_component_acpi_device_notify, "SND_HDA_SCODEC_COMPONENT");
-
-int hda_component_manager_bind_acpi_notifications(struct hda_codec *cdc,
- struct hda_component_parent *parent,
- acpi_notify_handler handler, void *data)
-{
- bool support_notifications = false;
- struct acpi_device *adev;
- struct hda_component *comp;
- int ret;
- int i;
-
- adev = parent->comps[0].adev;
- if (!acpi_device_handle(adev))
- return 0;
-
- for (i = 0; i < ARRAY_SIZE(parent->comps); i++) {
- comp = hda_component_from_index(parent, i);
- support_notifications = support_notifications ||
- comp->acpi_notifications_supported;
- }
-
- if (support_notifications) {
- ret = acpi_install_notify_handler(adev->handle, ACPI_DEVICE_NOTIFY,
- handler, data);
- if (ret < 0) {
- codec_warn(cdc, "Failed to install notify handler: %d\n", ret);
- return 0;
- }
-
- codec_dbg(cdc, "Notify handler installed\n");
- }
-
- return 0;
-}
-EXPORT_SYMBOL_NS_GPL(hda_component_manager_bind_acpi_notifications, "SND_HDA_SCODEC_COMPONENT");
-
-void hda_component_manager_unbind_acpi_notifications(struct hda_codec *cdc,
- struct hda_component_parent *parent,
- acpi_notify_handler handler)
-{
- struct acpi_device *adev;
- int ret;
-
- adev = parent->comps[0].adev;
- if (!acpi_device_handle(adev))
- return;
-
- ret = acpi_remove_notify_handler(adev->handle, ACPI_DEVICE_NOTIFY, handler);
- if (ret < 0)
- codec_warn(cdc, "Failed to uninstall notify handler: %d\n", ret);
-}
-EXPORT_SYMBOL_NS_GPL(hda_component_manager_unbind_acpi_notifications, "SND_HDA_SCODEC_COMPONENT");
-#endif /* ifdef CONFIG_ACPI */
-
-void hda_component_manager_playback_hook(struct hda_component_parent *parent, int action)
-{
- struct hda_component *comp;
- int i;
-
- mutex_lock(&parent->mutex);
- for (i = 0; i < ARRAY_SIZE(parent->comps); i++) {
- comp = hda_component_from_index(parent, i);
- if (comp->dev && comp->pre_playback_hook)
- comp->pre_playback_hook(comp->dev, action);
- }
- for (i = 0; i < ARRAY_SIZE(parent->comps); i++) {
- comp = hda_component_from_index(parent, i);
- if (comp->dev && comp->playback_hook)
- comp->playback_hook(comp->dev, action);
- }
- for (i = 0; i < ARRAY_SIZE(parent->comps); i++) {
- comp = hda_component_from_index(parent, i);
- if (comp->dev && comp->post_playback_hook)
- comp->post_playback_hook(comp->dev, action);
- }
- mutex_unlock(&parent->mutex);
-}
-EXPORT_SYMBOL_NS_GPL(hda_component_manager_playback_hook, "SND_HDA_SCODEC_COMPONENT");
-
-struct hda_scodec_match {
- const char *bus;
- const char *hid;
- const char *match_str;
- int index;
-};
-
-/* match the device name in a slightly relaxed manner */
-static int hda_comp_match_dev_name(struct device *dev, void *data)
-{
- struct hda_scodec_match *p = data;
- const char *d = dev_name(dev);
- int n = strlen(p->bus);
- char tmp[32];
-
- /* check the bus name */
- if (strncmp(d, p->bus, n))
- return 0;
- /* skip the bus number */
- if (isdigit(d[n]))
- n++;
- /* the rest must be exact matching */
- snprintf(tmp, sizeof(tmp), p->match_str, p->hid, p->index);
- return !strcmp(d + n, tmp);
-}
-
-int hda_component_manager_bind(struct hda_codec *cdc,
- struct hda_component_parent *parent)
-{
- int ret;
-
- /* Init shared and component specific data */
- memset(parent->comps, 0, sizeof(parent->comps));
-
- mutex_lock(&parent->mutex);
- ret = component_bind_all(hda_codec_dev(cdc), parent);
- mutex_unlock(&parent->mutex);
-
- return ret;
-}
-EXPORT_SYMBOL_NS_GPL(hda_component_manager_bind, "SND_HDA_SCODEC_COMPONENT");
-
-int hda_component_manager_init(struct hda_codec *cdc,
- struct hda_component_parent *parent, int count,
- const char *bus, const char *hid,
- const char *match_str,
- const struct component_master_ops *ops)
-{
- struct device *dev = hda_codec_dev(cdc);
- struct component_match *match = NULL;
- struct hda_scodec_match *sm;
- int ret, i;
-
- if (parent->codec) {
- codec_err(cdc, "Component binding already created (SSID: %x)\n",
- cdc->core.subsystem_id);
- return -EINVAL;
- }
- parent->codec = cdc;
-
- mutex_init(&parent->mutex);
-
- for (i = 0; i < count; i++) {
- sm = devm_kmalloc(dev, sizeof(*sm), GFP_KERNEL);
- if (!sm)
- return -ENOMEM;
-
- sm->bus = bus;
- sm->hid = hid;
- sm->match_str = match_str;
- sm->index = i;
- component_match_add(dev, &match, hda_comp_match_dev_name, sm);
- }
-
- ret = component_master_add_with_match(dev, ops, match);
- if (ret)
- codec_err(cdc, "Fail to register component aggregator %d\n", ret);
-
- return ret;
-}
-EXPORT_SYMBOL_NS_GPL(hda_component_manager_init, "SND_HDA_SCODEC_COMPONENT");
-
-void hda_component_manager_free(struct hda_component_parent *parent,
- const struct component_master_ops *ops)
-{
- struct device *dev;
-
- if (!parent->codec)
- return;
-
- dev = hda_codec_dev(parent->codec);
-
- component_master_del(dev, ops);
-
- parent->codec = NULL;
-}
-EXPORT_SYMBOL_NS_GPL(hda_component_manager_free, "SND_HDA_SCODEC_COMPONENT");
-
-MODULE_DESCRIPTION("HD Audio component binding library");
-MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>");
-MODULE_LICENSE("GPL");