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Diffstat (limited to 'sound/pci/hda/patch_cmedia.c')
-rw-r--r--sound/pci/hda/patch_cmedia.c127
1 files changed, 127 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_cmedia.c b/sound/pci/hda/patch_cmedia.c
new file mode 100644
index 0000000000..2ddd33f8dd
--- /dev/null
+++ b/sound/pci/hda/patch_cmedia.c
@@ -0,0 +1,127 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Universal Interface for Intel High Definition Audio Codec
+ *
+ * HD audio interface patch for C-Media CMI9880
+ *
+ * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
+ */
+
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include <sound/hda_codec.h>
+#include "hda_local.h"
+#include "hda_auto_parser.h"
+#include "hda_jack.h"
+#include "hda_generic.h"
+
+struct cmi_spec {
+ struct hda_gen_spec gen;
+};
+
+/*
+ * stuff for auto-parser
+ */
+static const struct hda_codec_ops cmi_auto_patch_ops = {
+ .build_controls = snd_hda_gen_build_controls,
+ .build_pcms = snd_hda_gen_build_pcms,
+ .init = snd_hda_gen_init,
+ .free = snd_hda_gen_free,
+ .unsol_event = snd_hda_jack_unsol_event,
+};
+
+static int patch_cmi9880(struct hda_codec *codec)
+{
+ struct cmi_spec *spec;
+ struct auto_pin_cfg *cfg;
+ int err;
+
+ spec = kzalloc(sizeof(*spec), GFP_KERNEL);
+ if (spec == NULL)
+ return -ENOMEM;
+
+ codec->spec = spec;
+ codec->patch_ops = cmi_auto_patch_ops;
+ cfg = &spec->gen.autocfg;
+ snd_hda_gen_spec_init(&spec->gen);
+
+ err = snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0);
+ if (err < 0)
+ goto error;
+ err = snd_hda_gen_parse_auto_config(codec, cfg);
+ if (err < 0)
+ goto error;
+
+ return 0;
+
+ error:
+ snd_hda_gen_free(codec);
+ return err;
+}
+
+static int patch_cmi8888(struct hda_codec *codec)
+{
+ struct cmi_spec *spec;
+ struct auto_pin_cfg *cfg;
+ int err;
+
+ spec = kzalloc(sizeof(*spec), GFP_KERNEL);
+ if (!spec)
+ return -ENOMEM;
+
+ codec->spec = spec;
+ codec->patch_ops = cmi_auto_patch_ops;
+ cfg = &spec->gen.autocfg;
+ snd_hda_gen_spec_init(&spec->gen);
+
+ /* mask NID 0x10 from the playback volume selection;
+ * it's a headphone boost volume handled manually below
+ */
+ spec->gen.out_vol_mask = (1ULL << 0x10);
+
+ err = snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0);
+ if (err < 0)
+ goto error;
+ err = snd_hda_gen_parse_auto_config(codec, cfg);
+ if (err < 0)
+ goto error;
+
+ if (get_defcfg_device(snd_hda_codec_get_pincfg(codec, 0x10)) ==
+ AC_JACK_HP_OUT) {
+ static const struct snd_kcontrol_new amp_kctl =
+ HDA_CODEC_VOLUME("Headphone Amp Playback Volume",
+ 0x10, 0, HDA_OUTPUT);
+ if (!snd_hda_gen_add_kctl(&spec->gen, NULL, &amp_kctl)) {
+ err = -ENOMEM;
+ goto error;
+ }
+ }
+
+ return 0;
+
+ error:
+ snd_hda_gen_free(codec);
+ return err;
+}
+
+/*
+ * patch entries
+ */
+static const struct hda_device_id snd_hda_id_cmedia[] = {
+ HDA_CODEC_ENTRY(0x13f68888, "CMI8888", patch_cmi8888),
+ HDA_CODEC_ENTRY(0x13f69880, "CMI9880", patch_cmi9880),
+ HDA_CODEC_ENTRY(0x434d4980, "CMI9880", patch_cmi9880),
+ {} /* terminator */
+};
+MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_cmedia);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("C-Media HD-audio codec");
+
+static struct hda_codec_driver cmedia_driver = {
+ .id = snd_hda_id_cmedia,
+};
+
+module_hda_codec_driver(cmedia_driver);