Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / sound / pci / hda / patch_cmedia.c

diff --git a/kernel/sound/pci/hda/patch_cmedia.c b/kernel/sound/pci/hda/patch_cmedia.c
new file mode 100644 (file)
index 0000000..617d901
--- /dev/null
+++ b/kernel/sound/pci/hda/patch_cmedia.c
@@ -0,0 +1,144 @@
+/*
+ * Universal Interface for Intel High Definition Audio Codec
+ *
+ * HD audio interface patch for C-Media CMI9880
+ *
+ * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
+ *
+ *
+ *  This driver is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This driver is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include "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;
+       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;
+
+       codec->patch_ops = cmi_auto_patch_ops;
+       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;
+       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;
+               }
+       }
+
+       codec->patch_ops = cmi_auto_patch_ops;
+       return 0;
+
+ error:
+       snd_hda_gen_free(codec);
+       return err;
+}
+
+/*
+ * patch entries
+ */
+static const struct hda_codec_preset snd_hda_preset_cmedia[] = {
+       { .id = 0x13f68888, .name = "CMI8888", .patch = patch_cmi8888 },
+       { .id = 0x13f69880, .name = "CMI9880", .patch = patch_cmi9880 },
+       { .id = 0x434d4980, .name = "CMI9880", .patch = patch_cmi9880 },
+       {} /* terminator */
+};
+
+MODULE_ALIAS("snd-hda-codec-id:13f68888");
+MODULE_ALIAS("snd-hda-codec-id:13f69880");
+MODULE_ALIAS("snd-hda-codec-id:434d4980");
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("C-Media HD-audio codec");
+
+static struct hda_codec_driver cmedia_driver = {
+       .preset = snd_hda_preset_cmedia,
+};
+
+module_hda_codec_driver(cmedia_driver);