diff options
Diffstat (limited to 'sound/hda/codecs/hdmi/nvhdmi.c')
| -rw-r--r-- | sound/hda/codecs/hdmi/nvhdmi.c | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/sound/hda/codecs/hdmi/nvhdmi.c b/sound/hda/codecs/hdmi/nvhdmi.c new file mode 100644 index 000000000000..b513253b1101 --- /dev/null +++ b/sound/hda/codecs/hdmi/nvhdmi.c @@ -0,0 +1,223 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Nvidia HDMI codec support + */ + +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <sound/core.h> +#include <sound/tlv.h> +#include <sound/hdaudio.h> +#include <sound/hda_codec.h> +#include "hda_local.h" +#include "hdmi_local.h" + +enum { + MODEL_GENERIC, + MODEL_LEGACY, +}; + +/* + * NVIDIA codecs ignore ASP mapping for 2ch - confirmed on: + * - 0x10de0015 + * - 0x10de0040 + */ +static int nvhdmi_chmap_cea_alloc_validate_get_type(struct hdac_chmap *chmap, + struct hdac_cea_channel_speaker_allocation *cap, int channels) +{ + if (cap->ca_index == 0x00 && channels == 2) + return SNDRV_CTL_TLVT_CHMAP_FIXED; + + /* If the speaker allocation matches the channel count, it is OK. */ + if (cap->channels != channels) + return -1; + + /* all channels are remappable freely */ + return SNDRV_CTL_TLVT_CHMAP_VAR; +} + +static int nvhdmi_chmap_validate(struct hdac_chmap *chmap, + int ca, int chs, unsigned char *map) +{ + if (ca == 0x00 && (map[0] != SNDRV_CHMAP_FL || map[1] != SNDRV_CHMAP_FR)) + return -EINVAL; + + return 0; +} + +/* map from pin NID to port; port is 0-based */ +/* for Nvidia: assume widget NID starting from 4, with step 1 (4, 5, 6, ...) */ +static int nvhdmi_pin2port(void *audio_ptr, int pin_nid) +{ + return pin_nid - 4; +} + +/* reverse-map from port to pin NID: see above */ +static int nvhdmi_port2pin(struct hda_codec *codec, int port) +{ + return port + 4; +} + +static const struct drm_audio_component_audio_ops nvhdmi_audio_ops = { + .pin2port = nvhdmi_pin2port, + .pin_eld_notify = snd_hda_hdmi_acomp_pin_eld_notify, + .master_bind = snd_hda_hdmi_acomp_master_bind, + .master_unbind = snd_hda_hdmi_acomp_master_unbind, +}; + +static int probe_generic(struct hda_codec *codec) +{ + struct hdmi_spec *spec; + int err; + + err = snd_hda_hdmi_generic_alloc(codec); + if (err < 0) + return err; + codec->dp_mst = true; + + spec = codec->spec; + + err = snd_hda_hdmi_parse_codec(codec); + if (err < 0) { + snd_hda_hdmi_generic_spec_free(codec); + return err; + } + + snd_hda_hdmi_generic_init_per_pins(codec); + + spec->dyn_pin_out = true; + + spec->chmap.ops.chmap_cea_alloc_validate_get_type = + nvhdmi_chmap_cea_alloc_validate_get_type; + spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate; + spec->nv_dp_workaround = true; + + codec->link_down_at_suspend = 1; + + snd_hda_hdmi_acomp_init(codec, &nvhdmi_audio_ops, nvhdmi_port2pin); + + return 0; +} + +static int probe_legacy(struct hda_codec *codec) +{ + struct hdmi_spec *spec; + int err; + + err = snd_hda_hdmi_generic_probe(codec); + if (err) + return err; + + spec = codec->spec; + spec->dyn_pin_out = true; + + spec->chmap.ops.chmap_cea_alloc_validate_get_type = + nvhdmi_chmap_cea_alloc_validate_get_type; + spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate; + spec->nv_dp_workaround = true; + + codec->link_down_at_suspend = 1; + + return 0; +} + +static int nvhdmi_probe(struct hda_codec *codec, const struct hda_device_id *id) +{ + if (id->driver_data == MODEL_LEGACY) + return probe_legacy(codec); + else + return probe_generic(codec); +} + +static const struct hda_codec_ops nvhdmi_codec_ops = { + .probe = nvhdmi_probe, + .remove = snd_hda_hdmi_generic_remove, + .init = snd_hda_hdmi_generic_init, + .build_pcms = snd_hda_hdmi_generic_build_pcms, + .build_controls = snd_hda_hdmi_generic_build_controls, + .unsol_event = snd_hda_hdmi_generic_unsol_event, + .suspend = snd_hda_hdmi_generic_suspend, + .resume = snd_hda_hdmi_generic_resume, +}; + +static const struct hda_device_id snd_hda_id_nvhdmi[] = { + HDA_CODEC_ID_MODEL(0x10de0008, "GPU 08 HDMI/DP", MODEL_LEGACY), + HDA_CODEC_ID_MODEL(0x10de0009, "GPU 09 HDMI/DP", MODEL_LEGACY), + HDA_CODEC_ID_MODEL(0x10de000a, "GPU 0a HDMI/DP", MODEL_LEGACY), + HDA_CODEC_ID_MODEL(0x10de000b, "GPU 0b HDMI/DP", MODEL_LEGACY), + HDA_CODEC_ID_MODEL(0x10de000c, "MCP89 HDMI", MODEL_LEGACY), + HDA_CODEC_ID_MODEL(0x10de000d, "GPU 0d HDMI/DP", MODEL_LEGACY), + HDA_CODEC_ID_MODEL(0x10de0010, "GPU 10 HDMI/DP", MODEL_LEGACY), + HDA_CODEC_ID_MODEL(0x10de0011, "GPU 11 HDMI/DP", MODEL_LEGACY), + HDA_CODEC_ID_MODEL(0x10de0012, "GPU 12 HDMI/DP", MODEL_LEGACY), + HDA_CODEC_ID_MODEL(0x10de0013, "GPU 13 HDMI/DP", MODEL_LEGACY), + HDA_CODEC_ID_MODEL(0x10de0014, "GPU 14 HDMI/DP", MODEL_LEGACY), + HDA_CODEC_ID_MODEL(0x10de0015, "GPU 15 HDMI/DP", MODEL_LEGACY), + HDA_CODEC_ID_MODEL(0x10de0016, "GPU 16 HDMI/DP", MODEL_LEGACY), + /* 17 is known to be absent */ + HDA_CODEC_ID_MODEL(0x10de0018, "GPU 18 HDMI/DP", MODEL_LEGACY), + HDA_CODEC_ID_MODEL(0x10de0019, "GPU 19 HDMI/DP", MODEL_LEGACY), + HDA_CODEC_ID_MODEL(0x10de001a, "GPU 1a HDMI/DP", MODEL_LEGACY), + HDA_CODEC_ID_MODEL(0x10de001b, "GPU 1b HDMI/DP", MODEL_LEGACY), + HDA_CODEC_ID_MODEL(0x10de001c, "GPU 1c HDMI/DP", MODEL_LEGACY), + HDA_CODEC_ID_MODEL(0x10de0040, "GPU 40 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0041, "GPU 41 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0042, "GPU 42 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0043, "GPU 43 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0044, "GPU 44 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0045, "GPU 45 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0050, "GPU 50 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0051, "GPU 51 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0052, "GPU 52 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0060, "GPU 60 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0061, "GPU 61 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0062, "GPU 62 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0070, "GPU 70 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0071, "GPU 71 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0072, "GPU 72 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0073, "GPU 73 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0074, "GPU 74 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0076, "GPU 76 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de007b, "GPU 7b HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de007c, "GPU 7c HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de007d, "GPU 7d HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de007e, "GPU 7e HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0080, "GPU 80 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0081, "GPU 81 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0082, "GPU 82 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0083, "GPU 83 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0084, "GPU 84 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0090, "GPU 90 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0091, "GPU 91 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0092, "GPU 92 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0093, "GPU 93 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0094, "GPU 94 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0095, "GPU 95 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0097, "GPU 97 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0098, "GPU 98 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de0099, "GPU 99 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de009a, "GPU 9a HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de009d, "GPU 9d HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de009e, "GPU 9e HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de009f, "GPU 9f HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de00a0, "GPU a0 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de00a3, "GPU a3 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de00a4, "GPU a4 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de00a5, "GPU a5 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de00a6, "GPU a6 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10de00a7, "GPU a7 HDMI/DP", MODEL_GENERIC), + {} /* terminator */ +}; +MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_nvhdmi); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Nvidia HDMI HD-audio codec"); +MODULE_IMPORT_NS("SND_HDA_CODEC_HDMI"); + +static struct hda_codec_driver nvhdmi_driver = { + .id = snd_hda_id_nvhdmi, + .ops = &nvhdmi_codec_ops, +}; + +module_hda_codec_driver(nvhdmi_driver); |