1 // SPDX-License-Identifier: GPL-2.0-only
8 #include <sound/ac97/codec.h>
9 #include <sound/ac97/compat.h>
10 #include <sound/ac97/controller.h>
20 static void compat_ac97_reset(struct snd_ac97 *ac97)  in compat_ac97_reset()  argument
22 	struct ac97_codec_device *adev = to_ac97_device(ac97->private_data);  in compat_ac97_reset()
23 	struct ac97_controller *actrl = adev->ac97_ctrl;  in compat_ac97_reset()
25 	if (actrl->ops->reset)  in compat_ac97_reset()
26 		actrl->ops->reset(actrl);  in compat_ac97_reset()
29 static void compat_ac97_warm_reset(struct snd_ac97 *ac97)  in compat_ac97_warm_reset()  argument
31 	struct ac97_codec_device *adev = to_ac97_device(ac97->private_data);  in compat_ac97_warm_reset()
32 	struct ac97_controller *actrl = adev->ac97_ctrl;  in compat_ac97_warm_reset()
34 	if (actrl->ops->warm_reset)  in compat_ac97_warm_reset()
35 		actrl->ops->warm_reset(actrl);  in compat_ac97_warm_reset()
38 static void compat_ac97_write(struct snd_ac97 *ac97, unsigned short reg,  in compat_ac97_write()  argument
41 	struct ac97_codec_device *adev = to_ac97_device(ac97->private_data);  in compat_ac97_write()
42 	struct ac97_controller *actrl = adev->ac97_ctrl;  in compat_ac97_write()
44 	actrl->ops->write(actrl, ac97->num, reg, val);  in compat_ac97_write()
47 static unsigned short compat_ac97_read(struct snd_ac97 *ac97,  in compat_ac97_read()  argument
50 	struct ac97_codec_device *adev = to_ac97_device(ac97->private_data);  in compat_ac97_read()
51 	struct ac97_controller *actrl = adev->ac97_ctrl;  in compat_ac97_read()
53 	return actrl->ops->read(actrl, ac97->num, reg);  in compat_ac97_read()
69 	struct snd_ac97 *ac97;  in snd_ac97_compat_alloc()  local
72 	ac97 = kzalloc(sizeof(struct snd_ac97), GFP_KERNEL);  in snd_ac97_compat_alloc()
73 	if (ac97 == NULL)  in snd_ac97_compat_alloc()
74 		return ERR_PTR(-ENOMEM);  in snd_ac97_compat_alloc()
76 	ac97->private_data = adev;  in snd_ac97_compat_alloc()
77 	ac97->bus = &compat_soc_ac97_bus;  in snd_ac97_compat_alloc()
79 	ac97->dev.parent = &adev->dev;  in snd_ac97_compat_alloc()
80 	ac97->dev.release = compat_ac97_release;  in snd_ac97_compat_alloc()
81 	dev_set_name(&ac97->dev, "%s-compat", dev_name(&adev->dev));  in snd_ac97_compat_alloc()
82 	ret = device_register(&ac97->dev);  in snd_ac97_compat_alloc()
84 		put_device(&ac97->dev);  in snd_ac97_compat_alloc()
88 	return ac97;  in snd_ac97_compat_alloc()
92 void snd_ac97_compat_release(struct snd_ac97 *ac97)  in snd_ac97_compat_release()  argument
94 	device_unregister(&ac97->dev);  in snd_ac97_compat_release()
98 int snd_ac97_reset(struct snd_ac97 *ac97, bool try_warm, unsigned int id,  in snd_ac97_reset()  argument
101 	struct ac97_codec_device *adev = to_ac97_device(ac97->private_data);  in snd_ac97_reset()
102 	struct ac97_controller *actrl = adev->ac97_ctrl;  in snd_ac97_reset()
106 		compat_ac97_warm_reset(ac97);  in snd_ac97_reset()
107 		scanned = snd_ac97_bus_scan_one(actrl, adev->num);  in snd_ac97_reset()
108 		if (ac97_ids_match(scanned, adev->vendor_id, id_mask))  in snd_ac97_reset()
112 	compat_ac97_reset(ac97);  in snd_ac97_reset()
113 	compat_ac97_warm_reset(ac97);  in snd_ac97_reset()
114 	scanned = snd_ac97_bus_scan_one(actrl, adev->num);  in snd_ac97_reset()
115 	if (ac97_ids_match(scanned, adev->vendor_id, id_mask))  in snd_ac97_reset()
118 	return -ENODEV;  in snd_ac97_reset()