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- /*
- *
- * patch_hdmi.c - routines for HDMI/DisplayPort codecs
- *
- * Copyright(c) 2008-2010 Intel Corporation. All rights reserved.
- * Copyright (c) 2006 ATI Technologies Inc.
- * Copyright (c) 2008 NVIDIA Corp. All rights reserved.
- * Copyright (c) 2008 Wei Ni <wni@nvidia.com>
- * Copyright (c) 2013 Anssi Hannula <anssi.hannula@iki.fi>
- *
- * Authors:
- * Wu Fengguang <wfg@linux.intel.com>
- *
- * Maintained by:
- * Wu Fengguang <wfg@linux.intel.com>
- *
- * This program 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 program 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/delay.h>
- #include <linux/slab.h>
- #include <linux/module.h>
- #include <sound/core.h>
- #include <sound/jack.h>
- #include <sound/asoundef.h>
- #include <sound/tlv.h>
- #include <sound/hdaudio.h>
- #include <sound/hda_i915.h>
- #include "hda_codec.h"
- #include "hda_local.h"
- #include "hda_jack.h"
- static bool static_hdmi_pcm;
- module_param(static_hdmi_pcm, bool, 0644);
- MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info");
- #define is_haswell(codec) ((codec)->core.vendor_id == 0x80862807)
- #define is_broadwell(codec) ((codec)->core.vendor_id == 0x80862808)
- #define is_skylake(codec) ((codec)->core.vendor_id == 0x80862809)
- #define is_broxton(codec) ((codec)->core.vendor_id == 0x8086280a)
- #define is_kabylake(codec) ((codec)->core.vendor_id == 0x8086280b)
- #define is_haswell_plus(codec) (is_haswell(codec) || is_broadwell(codec) \
- || is_skylake(codec) || is_broxton(codec) \
- || is_kabylake(codec))
- #define is_valleyview(codec) ((codec)->core.vendor_id == 0x80862882)
- #define is_cherryview(codec) ((codec)->core.vendor_id == 0x80862883)
- #define is_valleyview_plus(codec) (is_valleyview(codec) || is_cherryview(codec))
- struct hdmi_spec_per_cvt {
- hda_nid_t cvt_nid;
- int assigned;
- unsigned int channels_min;
- unsigned int channels_max;
- u32 rates;
- u64 formats;
- unsigned int maxbps;
- };
- /* max. connections to a widget */
- #define HDA_MAX_CONNECTIONS 32
- struct hdmi_spec_per_pin {
- hda_nid_t pin_nid;
- int num_mux_nids;
- hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
- int mux_idx;
- hda_nid_t cvt_nid;
- struct hda_codec *codec;
- struct hdmi_eld sink_eld;
- struct mutex lock;
- struct delayed_work work;
- struct snd_kcontrol *eld_ctl;
- int repoll_count;
- bool setup; /* the stream has been set up by prepare callback */
- int channels; /* current number of channels */
- bool non_pcm;
- bool chmap_set; /* channel-map override by ALSA API? */
- unsigned char chmap[8]; /* ALSA API channel-map */
- #ifdef CONFIG_SND_PROC_FS
- struct snd_info_entry *proc_entry;
- #endif
- };
- struct cea_channel_speaker_allocation;
- /* operations used by generic code that can be overridden by patches */
- struct hdmi_ops {
- int (*pin_get_eld)(struct hda_codec *codec, hda_nid_t pin_nid,
- unsigned char *buf, int *eld_size);
- /* get and set channel assigned to each HDMI ASP (audio sample packet) slot */
- int (*pin_get_slot_channel)(struct hda_codec *codec, hda_nid_t pin_nid,
- int asp_slot);
- int (*pin_set_slot_channel)(struct hda_codec *codec, hda_nid_t pin_nid,
- int asp_slot, int channel);
- void (*pin_setup_infoframe)(struct hda_codec *codec, hda_nid_t pin_nid,
- int ca, int active_channels, int conn_type);
- /* enable/disable HBR (HD passthrough) */
- int (*pin_hbr_setup)(struct hda_codec *codec, hda_nid_t pin_nid, bool hbr);
- int (*setup_stream)(struct hda_codec *codec, hda_nid_t cvt_nid,
- hda_nid_t pin_nid, u32 stream_tag, int format);
- /* Helpers for producing the channel map TLVs. These can be overridden
- * for devices that have non-standard mapping requirements. */
- int (*chmap_cea_alloc_validate_get_type)(struct cea_channel_speaker_allocation *cap,
- int channels);
- void (*cea_alloc_to_tlv_chmap)(struct cea_channel_speaker_allocation *cap,
- unsigned int *chmap, int channels);
- /* check that the user-given chmap is supported */
- int (*chmap_validate)(int ca, int channels, unsigned char *chmap);
- };
- struct hdmi_spec {
- int num_cvts;
- struct snd_array cvts; /* struct hdmi_spec_per_cvt */
- hda_nid_t cvt_nids[4]; /* only for haswell fix */
- int num_pins;
- struct snd_array pins; /* struct hdmi_spec_per_pin */
- struct hda_pcm *pcm_rec[16];
- unsigned int channels_max; /* max over all cvts */
- struct hdmi_eld temp_eld;
- struct hdmi_ops ops;
- bool dyn_pin_out;
- /*
- * Non-generic VIA/NVIDIA specific
- */
- struct hda_multi_out multiout;
- struct hda_pcm_stream pcm_playback;
- /* i915/powerwell (Haswell+/Valleyview+) specific */
- struct i915_audio_component_audio_ops i915_audio_ops;
- };
- struct hdmi_audio_infoframe {
- u8 type; /* 0x84 */
- u8 ver; /* 0x01 */
- u8 len; /* 0x0a */
- u8 checksum;
- u8 CC02_CT47; /* CC in bits 0:2, CT in 4:7 */
- u8 SS01_SF24;
- u8 CXT04;
- u8 CA;
- u8 LFEPBL01_LSV36_DM_INH7;
- };
- struct dp_audio_infoframe {
- u8 type; /* 0x84 */
- u8 len; /* 0x1b */
- u8 ver; /* 0x11 << 2 */
- u8 CC02_CT47; /* match with HDMI infoframe from this on */
- u8 SS01_SF24;
- u8 CXT04;
- u8 CA;
- u8 LFEPBL01_LSV36_DM_INH7;
- };
- union audio_infoframe {
- struct hdmi_audio_infoframe hdmi;
- struct dp_audio_infoframe dp;
- u8 bytes[0];
- };
- /*
- * CEA speaker placement:
- *
- * FLH FCH FRH
- * FLW FL FLC FC FRC FR FRW
- *
- * LFE
- * TC
- *
- * RL RLC RC RRC RR
- *
- * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
- * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
- */
- enum cea_speaker_placement {
- FL = (1 << 0), /* Front Left */
- FC = (1 << 1), /* Front Center */
- FR = (1 << 2), /* Front Right */
- FLC = (1 << 3), /* Front Left Center */
- FRC = (1 << 4), /* Front Right Center */
- RL = (1 << 5), /* Rear Left */
- RC = (1 << 6), /* Rear Center */
- RR = (1 << 7), /* Rear Right */
- RLC = (1 << 8), /* Rear Left Center */
- RRC = (1 << 9), /* Rear Right Center */
- LFE = (1 << 10), /* Low Frequency Effect */
- FLW = (1 << 11), /* Front Left Wide */
- FRW = (1 << 12), /* Front Right Wide */
- FLH = (1 << 13), /* Front Left High */
- FCH = (1 << 14), /* Front Center High */
- FRH = (1 << 15), /* Front Right High */
- TC = (1 << 16), /* Top Center */
- };
- /*
- * ELD SA bits in the CEA Speaker Allocation data block
- */
- static int eld_speaker_allocation_bits[] = {
- [0] = FL | FR,
- [1] = LFE,
- [2] = FC,
- [3] = RL | RR,
- [4] = RC,
- [5] = FLC | FRC,
- [6] = RLC | RRC,
- /* the following are not defined in ELD yet */
- [7] = FLW | FRW,
- [8] = FLH | FRH,
- [9] = TC,
- [10] = FCH,
- };
- struct cea_channel_speaker_allocation {
- int ca_index;
- int speakers[8];
- /* derived values, just for convenience */
- int channels;
- int spk_mask;
- };
- /*
- * ALSA sequence is:
- *
- * surround40 surround41 surround50 surround51 surround71
- * ch0 front left = = = =
- * ch1 front right = = = =
- * ch2 rear left = = = =
- * ch3 rear right = = = =
- * ch4 LFE center center center
- * ch5 LFE LFE
- * ch6 side left
- * ch7 side right
- *
- * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR}
- */
- static int hdmi_channel_mapping[0x32][8] = {
- /* stereo */
- [0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
- /* 2.1 */
- [0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
- /* Dolby Surround */
- [0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 },
- /* surround40 */
- [0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 },
- /* 4ch */
- [0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 },
- /* surround41 */
- [0x09] = { 0x00, 0x11, 0x24, 0x35, 0x42, 0xf3, 0xf6, 0xf7 },
- /* surround50 */
- [0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 },
- /* surround51 */
- [0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 },
- /* 7.1 */
- [0x13] = { 0x00, 0x11, 0x26, 0x37, 0x43, 0x52, 0x64, 0x75 },
- };
- /*
- * This is an ordered list!
- *
- * The preceding ones have better chances to be selected by
- * hdmi_channel_allocation().
- */
- static struct cea_channel_speaker_allocation channel_allocations[] = {
- /* channel: 7 6 5 4 3 2 1 0 */
- { .ca_index = 0x00, .speakers = { 0, 0, 0, 0, 0, 0, FR, FL } },
- /* 2.1 */
- { .ca_index = 0x01, .speakers = { 0, 0, 0, 0, 0, LFE, FR, FL } },
- /* Dolby Surround */
- { .ca_index = 0x02, .speakers = { 0, 0, 0, 0, FC, 0, FR, FL } },
- /* surround40 */
- { .ca_index = 0x08, .speakers = { 0, 0, RR, RL, 0, 0, FR, FL } },
- /* surround41 */
- { .ca_index = 0x09, .speakers = { 0, 0, RR, RL, 0, LFE, FR, FL } },
- /* surround50 */
- { .ca_index = 0x0a, .speakers = { 0, 0, RR, RL, FC, 0, FR, FL } },
- /* surround51 */
- { .ca_index = 0x0b, .speakers = { 0, 0, RR, RL, FC, LFE, FR, FL } },
- /* 6.1 */
- { .ca_index = 0x0f, .speakers = { 0, RC, RR, RL, FC, LFE, FR, FL } },
- /* surround71 */
- { .ca_index = 0x13, .speakers = { RRC, RLC, RR, RL, FC, LFE, FR, FL } },
- { .ca_index = 0x03, .speakers = { 0, 0, 0, 0, FC, LFE, FR, FL } },
- { .ca_index = 0x04, .speakers = { 0, 0, 0, RC, 0, 0, FR, FL } },
- { .ca_index = 0x05, .speakers = { 0, 0, 0, RC, 0, LFE, FR, FL } },
- { .ca_index = 0x06, .speakers = { 0, 0, 0, RC, FC, 0, FR, FL } },
- { .ca_index = 0x07, .speakers = { 0, 0, 0, RC, FC, LFE, FR, FL } },
- { .ca_index = 0x0c, .speakers = { 0, RC, RR, RL, 0, 0, FR, FL } },
- { .ca_index = 0x0d, .speakers = { 0, RC, RR, RL, 0, LFE, FR, FL } },
- { .ca_index = 0x0e, .speakers = { 0, RC, RR, RL, FC, 0, FR, FL } },
- { .ca_index = 0x10, .speakers = { RRC, RLC, RR, RL, 0, 0, FR, FL } },
- { .ca_index = 0x11, .speakers = { RRC, RLC, RR, RL, 0, LFE, FR, FL } },
- { .ca_index = 0x12, .speakers = { RRC, RLC, RR, RL, FC, 0, FR, FL } },
- { .ca_index = 0x14, .speakers = { FRC, FLC, 0, 0, 0, 0, FR, FL } },
- { .ca_index = 0x15, .speakers = { FRC, FLC, 0, 0, 0, LFE, FR, FL } },
- { .ca_index = 0x16, .speakers = { FRC, FLC, 0, 0, FC, 0, FR, FL } },
- { .ca_index = 0x17, .speakers = { FRC, FLC, 0, 0, FC, LFE, FR, FL } },
- { .ca_index = 0x18, .speakers = { FRC, FLC, 0, RC, 0, 0, FR, FL } },
- { .ca_index = 0x19, .speakers = { FRC, FLC, 0, RC, 0, LFE, FR, FL } },
- { .ca_index = 0x1a, .speakers = { FRC, FLC, 0, RC, FC, 0, FR, FL } },
- { .ca_index = 0x1b, .speakers = { FRC, FLC, 0, RC, FC, LFE, FR, FL } },
- { .ca_index = 0x1c, .speakers = { FRC, FLC, RR, RL, 0, 0, FR, FL } },
- { .ca_index = 0x1d, .speakers = { FRC, FLC, RR, RL, 0, LFE, FR, FL } },
- { .ca_index = 0x1e, .speakers = { FRC, FLC, RR, RL, FC, 0, FR, FL } },
- { .ca_index = 0x1f, .speakers = { FRC, FLC, RR, RL, FC, LFE, FR, FL } },
- { .ca_index = 0x20, .speakers = { 0, FCH, RR, RL, FC, 0, FR, FL } },
- { .ca_index = 0x21, .speakers = { 0, FCH, RR, RL, FC, LFE, FR, FL } },
- { .ca_index = 0x22, .speakers = { TC, 0, RR, RL, FC, 0, FR, FL } },
- { .ca_index = 0x23, .speakers = { TC, 0, RR, RL, FC, LFE, FR, FL } },
- { .ca_index = 0x24, .speakers = { FRH, FLH, RR, RL, 0, 0, FR, FL } },
- { .ca_index = 0x25, .speakers = { FRH, FLH, RR, RL, 0, LFE, FR, FL } },
- { .ca_index = 0x26, .speakers = { FRW, FLW, RR, RL, 0, 0, FR, FL } },
- { .ca_index = 0x27, .speakers = { FRW, FLW, RR, RL, 0, LFE, FR, FL } },
- { .ca_index = 0x28, .speakers = { TC, RC, RR, RL, FC, 0, FR, FL } },
- { .ca_index = 0x29, .speakers = { TC, RC, RR, RL, FC, LFE, FR, FL } },
- { .ca_index = 0x2a, .speakers = { FCH, RC, RR, RL, FC, 0, FR, FL } },
- { .ca_index = 0x2b, .speakers = { FCH, RC, RR, RL, FC, LFE, FR, FL } },
- { .ca_index = 0x2c, .speakers = { TC, FCH, RR, RL, FC, 0, FR, FL } },
- { .ca_index = 0x2d, .speakers = { TC, FCH, RR, RL, FC, LFE, FR, FL } },
- { .ca_index = 0x2e, .speakers = { FRH, FLH, RR, RL, FC, 0, FR, FL } },
- { .ca_index = 0x2f, .speakers = { FRH, FLH, RR, RL, FC, LFE, FR, FL } },
- { .ca_index = 0x30, .speakers = { FRW, FLW, RR, RL, FC, 0, FR, FL } },
- { .ca_index = 0x31, .speakers = { FRW, FLW, RR, RL, FC, LFE, FR, FL } },
- };
- /*
- * HDMI routines
- */
- #define get_pin(spec, idx) \
- ((struct hdmi_spec_per_pin *)snd_array_elem(&spec->pins, idx))
- #define get_cvt(spec, idx) \
- ((struct hdmi_spec_per_cvt *)snd_array_elem(&spec->cvts, idx))
- #define get_pcm_rec(spec, idx) ((spec)->pcm_rec[idx])
- static int pin_nid_to_pin_index(struct hda_codec *codec, hda_nid_t pin_nid)
- {
- struct hdmi_spec *spec = codec->spec;
- int pin_idx;
- for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
- if (get_pin(spec, pin_idx)->pin_nid == pin_nid)
- return pin_idx;
- codec_warn(codec, "HDMI: pin nid %d not registered\n", pin_nid);
- return -EINVAL;
- }
- static int hinfo_to_pin_index(struct hda_codec *codec,
- struct hda_pcm_stream *hinfo)
- {
- struct hdmi_spec *spec = codec->spec;
- int pin_idx;
- for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
- if (get_pcm_rec(spec, pin_idx)->stream == hinfo)
- return pin_idx;
- codec_warn(codec, "HDMI: hinfo %p not registered\n", hinfo);
- return -EINVAL;
- }
- static int cvt_nid_to_cvt_index(struct hda_codec *codec, hda_nid_t cvt_nid)
- {
- struct hdmi_spec *spec = codec->spec;
- int cvt_idx;
- for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++)
- if (get_cvt(spec, cvt_idx)->cvt_nid == cvt_nid)
- return cvt_idx;
- codec_warn(codec, "HDMI: cvt nid %d not registered\n", cvt_nid);
- return -EINVAL;
- }
- static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
- {
- struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
- struct hdmi_spec *spec = codec->spec;
- struct hdmi_spec_per_pin *per_pin;
- struct hdmi_eld *eld;
- int pin_idx;
- uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
- pin_idx = kcontrol->private_value;
- per_pin = get_pin(spec, pin_idx);
- eld = &per_pin->sink_eld;
- mutex_lock(&per_pin->lock);
- uinfo->count = eld->eld_valid ? eld->eld_size : 0;
- mutex_unlock(&per_pin->lock);
- return 0;
- }
- static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
- struct hdmi_spec *spec = codec->spec;
- struct hdmi_spec_per_pin *per_pin;
- struct hdmi_eld *eld;
- int pin_idx;
- pin_idx = kcontrol->private_value;
- per_pin = get_pin(spec, pin_idx);
- eld = &per_pin->sink_eld;
- mutex_lock(&per_pin->lock);
- if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data) ||
- eld->eld_size > ELD_MAX_SIZE) {
- mutex_unlock(&per_pin->lock);
- snd_BUG();
- return -EINVAL;
- }
- memset(ucontrol->value.bytes.data, 0,
- ARRAY_SIZE(ucontrol->value.bytes.data));
- if (eld->eld_valid)
- memcpy(ucontrol->value.bytes.data, eld->eld_buffer,
- eld->eld_size);
- mutex_unlock(&per_pin->lock);
- return 0;
- }
- static struct snd_kcontrol_new eld_bytes_ctl = {
- .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
- .iface = SNDRV_CTL_ELEM_IFACE_PCM,
- .name = "ELD",
- .info = hdmi_eld_ctl_info,
- .get = hdmi_eld_ctl_get,
- };
- static int hdmi_create_eld_ctl(struct hda_codec *codec, int pin_idx,
- int device)
- {
- struct snd_kcontrol *kctl;
- struct hdmi_spec *spec = codec->spec;
- int err;
- kctl = snd_ctl_new1(&eld_bytes_ctl, codec);
- if (!kctl)
- return -ENOMEM;
- kctl->private_value = pin_idx;
- kctl->id.device = device;
- err = snd_hda_ctl_add(codec, get_pin(spec, pin_idx)->pin_nid, kctl);
- if (err < 0)
- return err;
- get_pin(spec, pin_idx)->eld_ctl = kctl;
- return 0;
- }
- #ifdef BE_PARANOID
- static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
- int *packet_index, int *byte_index)
- {
- int val;
- val = snd_hda_codec_read(codec, pin_nid, 0,
- AC_VERB_GET_HDMI_DIP_INDEX, 0);
- *packet_index = val >> 5;
- *byte_index = val & 0x1f;
- }
- #endif
- static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
- int packet_index, int byte_index)
- {
- int val;
- val = (packet_index << 5) | (byte_index & 0x1f);
- snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
- }
- static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
- unsigned char val)
- {
- snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
- }
- static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid)
- {
- struct hdmi_spec *spec = codec->spec;
- int pin_out;
- /* Unmute */
- if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
- snd_hda_codec_write(codec, pin_nid, 0,
- AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
- if (spec->dyn_pin_out)
- /* Disable pin out until stream is active */
- pin_out = 0;
- else
- /* Enable pin out: some machines with GM965 gets broken output
- * when the pin is disabled or changed while using with HDMI
- */
- pin_out = PIN_OUT;
- snd_hda_codec_write(codec, pin_nid, 0,
- AC_VERB_SET_PIN_WIDGET_CONTROL, pin_out);
- }
- static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t cvt_nid)
- {
- return 1 + snd_hda_codec_read(codec, cvt_nid, 0,
- AC_VERB_GET_CVT_CHAN_COUNT, 0);
- }
- static void hdmi_set_channel_count(struct hda_codec *codec,
- hda_nid_t cvt_nid, int chs)
- {
- if (chs != hdmi_get_channel_count(codec, cvt_nid))
- snd_hda_codec_write(codec, cvt_nid, 0,
- AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
- }
- /*
- * ELD proc files
- */
- #ifdef CONFIG_SND_PROC_FS
- static void print_eld_info(struct snd_info_entry *entry,
- struct snd_info_buffer *buffer)
- {
- struct hdmi_spec_per_pin *per_pin = entry->private_data;
- mutex_lock(&per_pin->lock);
- snd_hdmi_print_eld_info(&per_pin->sink_eld, buffer);
- mutex_unlock(&per_pin->lock);
- }
- static void write_eld_info(struct snd_info_entry *entry,
- struct snd_info_buffer *buffer)
- {
- struct hdmi_spec_per_pin *per_pin = entry->private_data;
- mutex_lock(&per_pin->lock);
- snd_hdmi_write_eld_info(&per_pin->sink_eld, buffer);
- mutex_unlock(&per_pin->lock);
- }
- static int eld_proc_new(struct hdmi_spec_per_pin *per_pin, int index)
- {
- char name[32];
- struct hda_codec *codec = per_pin->codec;
- struct snd_info_entry *entry;
- int err;
- snprintf(name, sizeof(name), "eld#%d.%d", codec->addr, index);
- err = snd_card_proc_new(codec->card, name, &entry);
- if (err < 0)
- return err;
- snd_info_set_text_ops(entry, per_pin, print_eld_info);
- entry->c.text.write = write_eld_info;
- entry->mode |= S_IWUSR;
- per_pin->proc_entry = entry;
- return 0;
- }
- static void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
- {
- if (!per_pin->codec->bus->shutdown) {
- snd_info_free_entry(per_pin->proc_entry);
- per_pin->proc_entry = NULL;
- }
- }
- #else
- static inline int eld_proc_new(struct hdmi_spec_per_pin *per_pin,
- int index)
- {
- return 0;
- }
- static inline void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
- {
- }
- #endif
- /*
- * Channel mapping routines
- */
- /*
- * Compute derived values in channel_allocations[].
- */
- static void init_channel_allocations(void)
- {
- int i, j;
- struct cea_channel_speaker_allocation *p;
- for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
- p = channel_allocations + i;
- p->channels = 0;
- p->spk_mask = 0;
- for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
- if (p->speakers[j]) {
- p->channels++;
- p->spk_mask |= p->speakers[j];
- }
- }
- }
- static int get_channel_allocation_order(int ca)
- {
- int i;
- for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
- if (channel_allocations[i].ca_index == ca)
- break;
- }
- return i;
- }
- /*
- * The transformation takes two steps:
- *
- * eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
- * spk_mask => (channel_allocations[]) => ai->CA
- *
- * TODO: it could select the wrong CA from multiple candidates.
- */
- static int hdmi_channel_allocation(struct hda_codec *codec,
- struct hdmi_eld *eld, int channels)
- {
- int i;
- int ca = 0;
- int spk_mask = 0;
- char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
- /*
- * CA defaults to 0 for basic stereo audio
- */
- if (channels <= 2)
- return 0;
- /*
- * expand ELD's speaker allocation mask
- *
- * ELD tells the speaker mask in a compact(paired) form,
- * expand ELD's notions to match the ones used by Audio InfoFrame.
- */
- for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
- if (eld->info.spk_alloc & (1 << i))
- spk_mask |= eld_speaker_allocation_bits[i];
- }
- /* search for the first working match in the CA table */
- for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
- if (channels == channel_allocations[i].channels &&
- (spk_mask & channel_allocations[i].spk_mask) ==
- channel_allocations[i].spk_mask) {
- ca = channel_allocations[i].ca_index;
- break;
- }
- }
- if (!ca) {
- /* if there was no match, select the regular ALSA channel
- * allocation with the matching number of channels */
- for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
- if (channels == channel_allocations[i].channels) {
- ca = channel_allocations[i].ca_index;
- break;
- }
- }
- }
- snd_print_channel_allocation(eld->info.spk_alloc, buf, sizeof(buf));
- codec_dbg(codec, "HDMI: select CA 0x%x for %d-channel allocation: %s\n",
- ca, channels, buf);
- return ca;
- }
- static void hdmi_debug_channel_mapping(struct hda_codec *codec,
- hda_nid_t pin_nid)
- {
- #ifdef CONFIG_SND_DEBUG_VERBOSE
- struct hdmi_spec *spec = codec->spec;
- int i;
- int channel;
- for (i = 0; i < 8; i++) {
- channel = spec->ops.pin_get_slot_channel(codec, pin_nid, i);
- codec_dbg(codec, "HDMI: ASP channel %d => slot %d\n",
- channel, i);
- }
- #endif
- }
- static void hdmi_std_setup_channel_mapping(struct hda_codec *codec,
- hda_nid_t pin_nid,
- bool non_pcm,
- int ca)
- {
- struct hdmi_spec *spec = codec->spec;
- struct cea_channel_speaker_allocation *ch_alloc;
- int i;
- int err;
- int order;
- int non_pcm_mapping[8];
- order = get_channel_allocation_order(ca);
- ch_alloc = &channel_allocations[order];
- if (hdmi_channel_mapping[ca][1] == 0) {
- int hdmi_slot = 0;
- /* fill actual channel mappings in ALSA channel (i) order */
- for (i = 0; i < ch_alloc->channels; i++) {
- while (!ch_alloc->speakers[7 - hdmi_slot] && !WARN_ON(hdmi_slot >= 8))
- hdmi_slot++; /* skip zero slots */
- hdmi_channel_mapping[ca][i] = (i << 4) | hdmi_slot++;
- }
- /* fill the rest of the slots with ALSA channel 0xf */
- for (hdmi_slot = 0; hdmi_slot < 8; hdmi_slot++)
- if (!ch_alloc->speakers[7 - hdmi_slot])
- hdmi_channel_mapping[ca][i++] = (0xf << 4) | hdmi_slot;
- }
- if (non_pcm) {
- for (i = 0; i < ch_alloc->channels; i++)
- non_pcm_mapping[i] = (i << 4) | i;
- for (; i < 8; i++)
- non_pcm_mapping[i] = (0xf << 4) | i;
- }
- for (i = 0; i < 8; i++) {
- int slotsetup = non_pcm ? non_pcm_mapping[i] : hdmi_channel_mapping[ca][i];
- int hdmi_slot = slotsetup & 0x0f;
- int channel = (slotsetup & 0xf0) >> 4;
- err = spec->ops.pin_set_slot_channel(codec, pin_nid, hdmi_slot, channel);
- if (err) {
- codec_dbg(codec, "HDMI: channel mapping failed\n");
- break;
- }
- }
- }
- struct channel_map_table {
- unsigned char map; /* ALSA API channel map position */
- int spk_mask; /* speaker position bit mask */
- };
- static struct channel_map_table map_tables[] = {
- { SNDRV_CHMAP_FL, FL },
- { SNDRV_CHMAP_FR, FR },
- { SNDRV_CHMAP_RL, RL },
- { SNDRV_CHMAP_RR, RR },
- { SNDRV_CHMAP_LFE, LFE },
- { SNDRV_CHMAP_FC, FC },
- { SNDRV_CHMAP_RLC, RLC },
- { SNDRV_CHMAP_RRC, RRC },
- { SNDRV_CHMAP_RC, RC },
- { SNDRV_CHMAP_FLC, FLC },
- { SNDRV_CHMAP_FRC, FRC },
- { SNDRV_CHMAP_TFL, FLH },
- { SNDRV_CHMAP_TFR, FRH },
- { SNDRV_CHMAP_FLW, FLW },
- { SNDRV_CHMAP_FRW, FRW },
- { SNDRV_CHMAP_TC, TC },
- { SNDRV_CHMAP_TFC, FCH },
- {} /* terminator */
- };
- /* from ALSA API channel position to speaker bit mask */
- static int to_spk_mask(unsigned char c)
- {
- struct channel_map_table *t = map_tables;
- for (; t->map; t++) {
- if (t->map == c)
- return t->spk_mask;
- }
- return 0;
- }
- /* from ALSA API channel position to CEA slot */
- static int to_cea_slot(int ordered_ca, unsigned char pos)
- {
- int mask = to_spk_mask(pos);
- int i;
- if (mask) {
- for (i = 0; i < 8; i++) {
- if (channel_allocations[ordered_ca].speakers[7 - i] == mask)
- return i;
- }
- }
- return -1;
- }
- /* from speaker bit mask to ALSA API channel position */
- static int spk_to_chmap(int spk)
- {
- struct channel_map_table *t = map_tables;
- for (; t->map; t++) {
- if (t->spk_mask == spk)
- return t->map;
- }
- return 0;
- }
- /* from CEA slot to ALSA API channel position */
- static int from_cea_slot(int ordered_ca, unsigned char slot)
- {
- int mask = channel_allocations[ordered_ca].speakers[7 - slot];
- return spk_to_chmap(mask);
- }
- /* get the CA index corresponding to the given ALSA API channel map */
- static int hdmi_manual_channel_allocation(int chs, unsigned char *map)
- {
- int i, spks = 0, spk_mask = 0;
- for (i = 0; i < chs; i++) {
- int mask = to_spk_mask(map[i]);
- if (mask) {
- spk_mask |= mask;
- spks++;
- }
- }
- for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
- if ((chs == channel_allocations[i].channels ||
- spks == channel_allocations[i].channels) &&
- (spk_mask & channel_allocations[i].spk_mask) ==
- channel_allocations[i].spk_mask)
- return channel_allocations[i].ca_index;
- }
- return -1;
- }
- /* set up the channel slots for the given ALSA API channel map */
- static int hdmi_manual_setup_channel_mapping(struct hda_codec *codec,
- hda_nid_t pin_nid,
- int chs, unsigned char *map,
- int ca)
- {
- struct hdmi_spec *spec = codec->spec;
- int ordered_ca = get_channel_allocation_order(ca);
- int alsa_pos, hdmi_slot;
- int assignments[8] = {[0 ... 7] = 0xf};
- for (alsa_pos = 0; alsa_pos < chs; alsa_pos++) {
- hdmi_slot = to_cea_slot(ordered_ca, map[alsa_pos]);
- if (hdmi_slot < 0)
- continue; /* unassigned channel */
- assignments[hdmi_slot] = alsa_pos;
- }
- for (hdmi_slot = 0; hdmi_slot < 8; hdmi_slot++) {
- int err;
- err = spec->ops.pin_set_slot_channel(codec, pin_nid, hdmi_slot,
- assignments[hdmi_slot]);
- if (err)
- return -EINVAL;
- }
- return 0;
- }
- /* store ALSA API channel map from the current default map */
- static void hdmi_setup_fake_chmap(unsigned char *map, int ca)
- {
- int i;
- int ordered_ca = get_channel_allocation_order(ca);
- for (i = 0; i < 8; i++) {
- if (i < channel_allocations[ordered_ca].channels)
- map[i] = from_cea_slot(ordered_ca, hdmi_channel_mapping[ca][i] & 0x0f);
- else
- map[i] = 0;
- }
- }
- static void hdmi_setup_channel_mapping(struct hda_codec *codec,
- hda_nid_t pin_nid, bool non_pcm, int ca,
- int channels, unsigned char *map,
- bool chmap_set)
- {
- if (!non_pcm && chmap_set) {
- hdmi_manual_setup_channel_mapping(codec, pin_nid,
- channels, map, ca);
- } else {
- hdmi_std_setup_channel_mapping(codec, pin_nid, non_pcm, ca);
- hdmi_setup_fake_chmap(map, ca);
- }
- hdmi_debug_channel_mapping(codec, pin_nid);
- }
- static int hdmi_pin_set_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid,
- int asp_slot, int channel)
- {
- return snd_hda_codec_write(codec, pin_nid, 0,
- AC_VERB_SET_HDMI_CHAN_SLOT,
- (channel << 4) | asp_slot);
- }
- static int hdmi_pin_get_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid,
- int asp_slot)
- {
- return (snd_hda_codec_read(codec, pin_nid, 0,
- AC_VERB_GET_HDMI_CHAN_SLOT,
- asp_slot) & 0xf0) >> 4;
- }
- /*
- * Audio InfoFrame routines
- */
- /*
- * Enable Audio InfoFrame Transmission
- */
- static void hdmi_start_infoframe_trans(struct hda_codec *codec,
- hda_nid_t pin_nid)
- {
- hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
- snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
- AC_DIPXMIT_BEST);
- }
- /*
- * Disable Audio InfoFrame Transmission
- */
- static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
- hda_nid_t pin_nid)
- {
- hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
- snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
- AC_DIPXMIT_DISABLE);
- }
- static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
- {
- #ifdef CONFIG_SND_DEBUG_VERBOSE
- int i;
- int size;
- size = snd_hdmi_get_eld_size(codec, pin_nid);
- codec_dbg(codec, "HDMI: ELD buf size is %d\n", size);
- for (i = 0; i < 8; i++) {
- size = snd_hda_codec_read(codec, pin_nid, 0,
- AC_VERB_GET_HDMI_DIP_SIZE, i);
- codec_dbg(codec, "HDMI: DIP GP[%d] buf size is %d\n", i, size);
- }
- #endif
- }
- static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
- {
- #ifdef BE_PARANOID
- int i, j;
- int size;
- int pi, bi;
- for (i = 0; i < 8; i++) {
- size = snd_hda_codec_read(codec, pin_nid, 0,
- AC_VERB_GET_HDMI_DIP_SIZE, i);
- if (size == 0)
- continue;
- hdmi_set_dip_index(codec, pin_nid, i, 0x0);
- for (j = 1; j < 1000; j++) {
- hdmi_write_dip_byte(codec, pin_nid, 0x0);
- hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
- if (pi != i)
- codec_dbg(codec, "dip index %d: %d != %d\n",
- bi, pi, i);
- if (bi == 0) /* byte index wrapped around */
- break;
- }
- codec_dbg(codec,
- "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
- i, size, j);
- }
- #endif
- }
- static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai)
- {
- u8 *bytes = (u8 *)hdmi_ai;
- u8 sum = 0;
- int i;
- hdmi_ai->checksum = 0;
- for (i = 0; i < sizeof(*hdmi_ai); i++)
- sum += bytes[i];
- hdmi_ai->checksum = -sum;
- }
- static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
- hda_nid_t pin_nid,
- u8 *dip, int size)
- {
- int i;
- hdmi_debug_dip_size(codec, pin_nid);
- hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
- hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
- for (i = 0; i < size; i++)
- hdmi_write_dip_byte(codec, pin_nid, dip[i]);
- }
- static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
- u8 *dip, int size)
- {
- u8 val;
- int i;
- if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
- != AC_DIPXMIT_BEST)
- return false;
- hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
- for (i = 0; i < size; i++) {
- val = snd_hda_codec_read(codec, pin_nid, 0,
- AC_VERB_GET_HDMI_DIP_DATA, 0);
- if (val != dip[i])
- return false;
- }
- return true;
- }
- static void hdmi_pin_setup_infoframe(struct hda_codec *codec,
- hda_nid_t pin_nid,
- int ca, int active_channels,
- int conn_type)
- {
- union audio_infoframe ai;
- memset(&ai, 0, sizeof(ai));
- if (conn_type == 0) { /* HDMI */
- struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
- hdmi_ai->type = 0x84;
- hdmi_ai->ver = 0x01;
- hdmi_ai->len = 0x0a;
- hdmi_ai->CC02_CT47 = active_channels - 1;
- hdmi_ai->CA = ca;
- hdmi_checksum_audio_infoframe(hdmi_ai);
- } else if (conn_type == 1) { /* DisplayPort */
- struct dp_audio_infoframe *dp_ai = &ai.dp;
- dp_ai->type = 0x84;
- dp_ai->len = 0x1b;
- dp_ai->ver = 0x11 << 2;
- dp_ai->CC02_CT47 = active_channels - 1;
- dp_ai->CA = ca;
- } else {
- codec_dbg(codec, "HDMI: unknown connection type at pin %d\n",
- pin_nid);
- return;
- }
- /*
- * sizeof(ai) is used instead of sizeof(*hdmi_ai) or
- * sizeof(*dp_ai) to avoid partial match/update problems when
- * the user switches between HDMI/DP monitors.
- */
- if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes,
- sizeof(ai))) {
- codec_dbg(codec,
- "hdmi_pin_setup_infoframe: pin=%d channels=%d ca=0x%02x\n",
- pin_nid,
- active_channels, ca);
- hdmi_stop_infoframe_trans(codec, pin_nid);
- hdmi_fill_audio_infoframe(codec, pin_nid,
- ai.bytes, sizeof(ai));
- hdmi_start_infoframe_trans(codec, pin_nid);
- }
- }
- static void hdmi_setup_audio_infoframe(struct hda_codec *codec,
- struct hdmi_spec_per_pin *per_pin,
- bool non_pcm)
- {
- struct hdmi_spec *spec = codec->spec;
- hda_nid_t pin_nid = per_pin->pin_nid;
- int channels = per_pin->channels;
- int active_channels;
- struct hdmi_eld *eld;
- int ca, ordered_ca;
- if (!channels)
- return;
- if (is_haswell_plus(codec))
- snd_hda_codec_write(codec, pin_nid, 0,
- AC_VERB_SET_AMP_GAIN_MUTE,
- AMP_OUT_UNMUTE);
- eld = &per_pin->sink_eld;
- if (!non_pcm && per_pin->chmap_set)
- ca = hdmi_manual_channel_allocation(channels, per_pin->chmap);
- else
- ca = hdmi_channel_allocation(codec, eld, channels);
- if (ca < 0)
- ca = 0;
- ordered_ca = get_channel_allocation_order(ca);
- active_channels = channel_allocations[ordered_ca].channels;
- hdmi_set_channel_count(codec, per_pin->cvt_nid, active_channels);
- /*
- * always configure channel mapping, it may have been changed by the
- * user in the meantime
- */
- hdmi_setup_channel_mapping(codec, pin_nid, non_pcm, ca,
- channels, per_pin->chmap,
- per_pin->chmap_set);
- spec->ops.pin_setup_infoframe(codec, pin_nid, ca, active_channels,
- eld->info.conn_type);
- per_pin->non_pcm = non_pcm;
- }
- /*
- * Unsolicited events
- */
- static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll);
- static void check_presence_and_report(struct hda_codec *codec, hda_nid_t nid)
- {
- struct hdmi_spec *spec = codec->spec;
- int pin_idx = pin_nid_to_pin_index(codec, nid);
- if (pin_idx < 0)
- return;
- if (hdmi_present_sense(get_pin(spec, pin_idx), 1))
- snd_hda_jack_report_sync(codec);
- }
- static void jack_callback(struct hda_codec *codec,
- struct hda_jack_callback *jack)
- {
- check_presence_and_report(codec, jack->nid);
- }
- static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
- {
- int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
- struct hda_jack_tbl *jack;
- int dev_entry = (res & AC_UNSOL_RES_DE) >> AC_UNSOL_RES_DE_SHIFT;
- jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
- if (!jack)
- return;
- jack->jack_dirty = 1;
- codec_dbg(codec,
- "HDMI hot plug event: Codec=%d Pin=%d Device=%d Inactive=%d Presence_Detect=%d ELD_Valid=%d\n",
- codec->addr, jack->nid, dev_entry, !!(res & AC_UNSOL_RES_IA),
- !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV));
- check_presence_and_report(codec, jack->nid);
- }
- static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
- {
- int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
- int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
- int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
- int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
- codec_info(codec,
- "HDMI CP event: CODEC=%d TAG=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
- codec->addr,
- tag,
- subtag,
- cp_state,
- cp_ready);
- /* TODO */
- if (cp_state)
- ;
- if (cp_ready)
- ;
- }
- static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
- {
- int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
- int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
- if (!snd_hda_jack_tbl_get_from_tag(codec, tag)) {
- codec_dbg(codec, "Unexpected HDMI event tag 0x%x\n", tag);
- return;
- }
- if (subtag == 0)
- hdmi_intrinsic_event(codec, res);
- else
- hdmi_non_intrinsic_event(codec, res);
- }
- static void haswell_verify_D0(struct hda_codec *codec,
- hda_nid_t cvt_nid, hda_nid_t nid)
- {
- int pwr;
- /* For Haswell, the converter 1/2 may keep in D3 state after bootup,
- * thus pins could only choose converter 0 for use. Make sure the
- * converters are in correct power state */
- if (!snd_hda_check_power_state(codec, cvt_nid, AC_PWRST_D0))
- snd_hda_codec_write(codec, cvt_nid, 0, AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
- if (!snd_hda_check_power_state(codec, nid, AC_PWRST_D0)) {
- snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
- AC_PWRST_D0);
- msleep(40);
- pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0);
- pwr = (pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT;
- codec_dbg(codec, "Haswell HDMI audio: Power for pin 0x%x is now D%d\n", nid, pwr);
- }
- }
- /*
- * Callbacks
- */
- /* HBR should be Non-PCM, 8 channels */
- #define is_hbr_format(format) \
- ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
- static int hdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
- bool hbr)
- {
- int pinctl, new_pinctl;
- if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
- pinctl = snd_hda_codec_read(codec, pin_nid, 0,
- AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
- if (pinctl < 0)
- return hbr ? -EINVAL : 0;
- new_pinctl = pinctl & ~AC_PINCTL_EPT;
- if (hbr)
- new_pinctl |= AC_PINCTL_EPT_HBR;
- else
- new_pinctl |= AC_PINCTL_EPT_NATIVE;
- codec_dbg(codec,
- "hdmi_pin_hbr_setup: NID=0x%x, %spinctl=0x%x\n",
- pin_nid,
- pinctl == new_pinctl ? "" : "new-",
- new_pinctl);
- if (pinctl != new_pinctl)
- snd_hda_codec_write(codec, pin_nid, 0,
- AC_VERB_SET_PIN_WIDGET_CONTROL,
- new_pinctl);
- } else if (hbr)
- return -EINVAL;
- return 0;
- }
- static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
- hda_nid_t pin_nid, u32 stream_tag, int format)
- {
- struct hdmi_spec *spec = codec->spec;
- int err;
- if (is_haswell_plus(codec))
- haswell_verify_D0(codec, cvt_nid, pin_nid);
- err = spec->ops.pin_hbr_setup(codec, pin_nid, is_hbr_format(format));
- if (err) {
- codec_dbg(codec, "hdmi_setup_stream: HBR is not supported\n");
- return err;
- }
- snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
- return 0;
- }
- static int hdmi_choose_cvt(struct hda_codec *codec,
- int pin_idx, int *cvt_id, int *mux_id)
- {
- struct hdmi_spec *spec = codec->spec;
- struct hdmi_spec_per_pin *per_pin;
- struct hdmi_spec_per_cvt *per_cvt = NULL;
- int cvt_idx, mux_idx = 0;
- per_pin = get_pin(spec, pin_idx);
- /* Dynamically assign converter to stream */
- for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
- per_cvt = get_cvt(spec, cvt_idx);
- /* Must not already be assigned */
- if (per_cvt->assigned)
- continue;
- /* Must be in pin's mux's list of converters */
- for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
- if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
- break;
- /* Not in mux list */
- if (mux_idx == per_pin->num_mux_nids)
- continue;
- break;
- }
- /* No free converters */
- if (cvt_idx == spec->num_cvts)
- return -ENODEV;
- per_pin->mux_idx = mux_idx;
- if (cvt_id)
- *cvt_id = cvt_idx;
- if (mux_id)
- *mux_id = mux_idx;
- return 0;
- }
- /* Assure the pin select the right convetor */
- static void intel_verify_pin_cvt_connect(struct hda_codec *codec,
- struct hdmi_spec_per_pin *per_pin)
- {
- hda_nid_t pin_nid = per_pin->pin_nid;
- int mux_idx, curr;
- mux_idx = per_pin->mux_idx;
- curr = snd_hda_codec_read(codec, pin_nid, 0,
- AC_VERB_GET_CONNECT_SEL, 0);
- if (curr != mux_idx)
- snd_hda_codec_write_cache(codec, pin_nid, 0,
- AC_VERB_SET_CONNECT_SEL,
- mux_idx);
- }
- /* Intel HDMI workaround to fix audio routing issue:
- * For some Intel display codecs, pins share the same connection list.
- * So a conveter can be selected by multiple pins and playback on any of these
- * pins will generate sound on the external display, because audio flows from
- * the same converter to the display pipeline. Also muting one pin may make
- * other pins have no sound output.
- * So this function assures that an assigned converter for a pin is not selected
- * by any other pins.
- */
- static void intel_not_share_assigned_cvt(struct hda_codec *codec,
- hda_nid_t pin_nid, int mux_idx)
- {
- struct hdmi_spec *spec = codec->spec;
- hda_nid_t nid;
- int cvt_idx, curr;
- struct hdmi_spec_per_cvt *per_cvt;
- /* configure all pins, including "no physical connection" ones */
- for_each_hda_codec_node(nid, codec) {
- unsigned int wid_caps = get_wcaps(codec, nid);
- unsigned int wid_type = get_wcaps_type(wid_caps);
- if (wid_type != AC_WID_PIN)
- continue;
- if (nid == pin_nid)
- continue;
- curr = snd_hda_codec_read(codec, nid, 0,
- AC_VERB_GET_CONNECT_SEL, 0);
- if (curr != mux_idx)
- continue;
- /* choose an unassigned converter. The conveters in the
- * connection list are in the same order as in the codec.
- */
- for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
- per_cvt = get_cvt(spec, cvt_idx);
- if (!per_cvt->assigned) {
- codec_dbg(codec,
- "choose cvt %d for pin nid %d\n",
- cvt_idx, nid);
- snd_hda_codec_write_cache(codec, nid, 0,
- AC_VERB_SET_CONNECT_SEL,
- cvt_idx);
- break;
- }
- }
- }
- }
- /*
- * HDA PCM callbacks
- */
- static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
- struct hda_codec *codec,
- struct snd_pcm_substream *substream)
- {
- struct hdmi_spec *spec = codec->spec;
- struct snd_pcm_runtime *runtime = substream->runtime;
- int pin_idx, cvt_idx, mux_idx = 0;
- struct hdmi_spec_per_pin *per_pin;
- struct hdmi_eld *eld;
- struct hdmi_spec_per_cvt *per_cvt = NULL;
- int err;
- /* Validate hinfo */
- pin_idx = hinfo_to_pin_index(codec, hinfo);
- if (snd_BUG_ON(pin_idx < 0))
- return -EINVAL;
- per_pin = get_pin(spec, pin_idx);
- eld = &per_pin->sink_eld;
- err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx, &mux_idx);
- if (err < 0)
- return err;
- per_cvt = get_cvt(spec, cvt_idx);
- /* Claim converter */
- per_cvt->assigned = 1;
- per_pin->cvt_nid = per_cvt->cvt_nid;
- hinfo->nid = per_cvt->cvt_nid;
- snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
- AC_VERB_SET_CONNECT_SEL,
- mux_idx);
- /* configure unused pins to choose other converters */
- if (is_haswell_plus(codec) || is_valleyview_plus(codec))
- intel_not_share_assigned_cvt(codec, per_pin->pin_nid, mux_idx);
- snd_hda_spdif_ctls_assign(codec, pin_idx, per_cvt->cvt_nid);
- /* Initially set the converter's capabilities */
- hinfo->channels_min = per_cvt->channels_min;
- hinfo->channels_max = per_cvt->channels_max;
- hinfo->rates = per_cvt->rates;
- hinfo->formats = per_cvt->formats;
- hinfo->maxbps = per_cvt->maxbps;
- /* Restrict capabilities by ELD if this isn't disabled */
- if (!static_hdmi_pcm && eld->eld_valid) {
- snd_hdmi_eld_update_pcm_info(&eld->info, hinfo);
- if (hinfo->channels_min > hinfo->channels_max ||
- !hinfo->rates || !hinfo->formats) {
- per_cvt->assigned = 0;
- hinfo->nid = 0;
- snd_hda_spdif_ctls_unassign(codec, pin_idx);
- return -ENODEV;
- }
- }
- /* Store the updated parameters */
- runtime->hw.channels_min = hinfo->channels_min;
- runtime->hw.channels_max = hinfo->channels_max;
- runtime->hw.formats = hinfo->formats;
- runtime->hw.rates = hinfo->rates;
- snd_pcm_hw_constraint_step(substream->runtime, 0,
- SNDRV_PCM_HW_PARAM_CHANNELS, 2);
- return 0;
- }
- /*
- * HDA/HDMI auto parsing
- */
- static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
- {
- struct hdmi_spec *spec = codec->spec;
- struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
- hda_nid_t pin_nid = per_pin->pin_nid;
- if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
- codec_warn(codec,
- "HDMI: pin %d wcaps %#x does not support connection list\n",
- pin_nid, get_wcaps(codec, pin_nid));
- return -EINVAL;
- }
- per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid,
- per_pin->mux_nids,
- HDA_MAX_CONNECTIONS);
- return 0;
- }
- static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
- {
- struct hda_jack_tbl *jack;
- struct hda_codec *codec = per_pin->codec;
- struct hdmi_spec *spec = codec->spec;
- struct hdmi_eld *eld = &spec->temp_eld;
- struct hdmi_eld *pin_eld = &per_pin->sink_eld;
- hda_nid_t pin_nid = per_pin->pin_nid;
- /*
- * Always execute a GetPinSense verb here, even when called from
- * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
- * response's PD bit is not the real PD value, but indicates that
- * the real PD value changed. An older version of the HD-audio
- * specification worked this way. Hence, we just ignore the data in
- * the unsolicited response to avoid custom WARs.
- */
- int present;
- bool update_eld = false;
- bool eld_changed = false;
- bool ret;
- snd_hda_power_up_pm(codec);
- present = snd_hda_pin_sense(codec, pin_nid);
- mutex_lock(&per_pin->lock);
- pin_eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
- if (pin_eld->monitor_present)
- eld->eld_valid = !!(present & AC_PINSENSE_ELDV);
- else
- eld->eld_valid = false;
- codec_dbg(codec,
- "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
- codec->addr, pin_nid, pin_eld->monitor_present, eld->eld_valid);
- if (eld->eld_valid) {
- if (spec->ops.pin_get_eld(codec, pin_nid, eld->eld_buffer,
- &eld->eld_size) < 0)
- eld->eld_valid = false;
- else {
- memset(&eld->info, 0, sizeof(struct parsed_hdmi_eld));
- if (snd_hdmi_parse_eld(codec, &eld->info, eld->eld_buffer,
- eld->eld_size) < 0)
- eld->eld_valid = false;
- }
- if (eld->eld_valid) {
- snd_hdmi_show_eld(codec, &eld->info);
- update_eld = true;
- }
- else if (repoll) {
- schedule_delayed_work(&per_pin->work,
- msecs_to_jiffies(300));
- goto unlock;
- }
- }
- if (pin_eld->eld_valid != eld->eld_valid)
- eld_changed = true;
- if (pin_eld->eld_valid && !eld->eld_valid)
- update_eld = true;
- if (update_eld) {
- bool old_eld_valid = pin_eld->eld_valid;
- pin_eld->eld_valid = eld->eld_valid;
- if (pin_eld->eld_size != eld->eld_size ||
- memcmp(pin_eld->eld_buffer, eld->eld_buffer,
- eld->eld_size) != 0) {
- memcpy(pin_eld->eld_buffer, eld->eld_buffer,
- eld->eld_size);
- eld_changed = true;
- }
- pin_eld->eld_size = eld->eld_size;
- pin_eld->info = eld->info;
- /*
- * Re-setup pin and infoframe. This is needed e.g. when
- * - sink is first plugged-in (infoframe is not set up if !monitor_present)
- * - transcoder can change during stream playback on Haswell
- * and this can make HW reset converter selection on a pin.
- */
- if (eld->eld_valid && !old_eld_valid && per_pin->setup) {
- if (is_haswell_plus(codec) ||
- is_valleyview_plus(codec)) {
- intel_verify_pin_cvt_connect(codec, per_pin);
- intel_not_share_assigned_cvt(codec, pin_nid,
- per_pin->mux_idx);
- }
- hdmi_setup_audio_infoframe(codec, per_pin,
- per_pin->non_pcm);
- }
- }
- if (eld_changed)
- snd_ctl_notify(codec->card,
- SNDRV_CTL_EVENT_MASK_VALUE | SNDRV_CTL_EVENT_MASK_INFO,
- &per_pin->eld_ctl->id);
- unlock:
- ret = !repoll || !pin_eld->monitor_present || pin_eld->eld_valid;
- jack = snd_hda_jack_tbl_get(codec, pin_nid);
- if (jack)
- jack->block_report = !ret;
- mutex_unlock(&per_pin->lock);
- snd_hda_power_down_pm(codec);
- return ret;
- }
- static void hdmi_repoll_eld(struct work_struct *work)
- {
- struct hdmi_spec_per_pin *per_pin =
- container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
- if (per_pin->repoll_count++ > 6)
- per_pin->repoll_count = 0;
- if (hdmi_present_sense(per_pin, per_pin->repoll_count))
- snd_hda_jack_report_sync(per_pin->codec);
- }
- static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
- hda_nid_t nid);
- static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
- {
- struct hdmi_spec *spec = codec->spec;
- unsigned int caps, config;
- int pin_idx;
- struct hdmi_spec_per_pin *per_pin;
- int err;
- caps = snd_hda_query_pin_caps(codec, pin_nid);
- if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
- return 0;
- config = snd_hda_codec_get_pincfg(codec, pin_nid);
- if (get_defcfg_connect(config) == AC_JACK_PORT_NONE)
- return 0;
- if (is_haswell_plus(codec))
- intel_haswell_fixup_connect_list(codec, pin_nid);
- pin_idx = spec->num_pins;
- per_pin = snd_array_new(&spec->pins);
- if (!per_pin)
- return -ENOMEM;
- per_pin->pin_nid = pin_nid;
- per_pin->non_pcm = false;
- err = hdmi_read_pin_conn(codec, pin_idx);
- if (err < 0)
- return err;
- spec->num_pins++;
- return 0;
- }
- static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
- {
- struct hdmi_spec *spec = codec->spec;
- struct hdmi_spec_per_cvt *per_cvt;
- unsigned int chans;
- int err;
- chans = get_wcaps(codec, cvt_nid);
- chans = get_wcaps_channels(chans);
- per_cvt = snd_array_new(&spec->cvts);
- if (!per_cvt)
- return -ENOMEM;
- per_cvt->cvt_nid = cvt_nid;
- per_cvt->channels_min = 2;
- if (chans <= 16) {
- per_cvt->channels_max = chans;
- if (chans > spec->channels_max)
- spec->channels_max = chans;
- }
- err = snd_hda_query_supported_pcm(codec, cvt_nid,
- &per_cvt->rates,
- &per_cvt->formats,
- &per_cvt->maxbps);
- if (err < 0)
- return err;
- if (spec->num_cvts < ARRAY_SIZE(spec->cvt_nids))
- spec->cvt_nids[spec->num_cvts] = cvt_nid;
- spec->num_cvts++;
- return 0;
- }
- static int hdmi_parse_codec(struct hda_codec *codec)
- {
- hda_nid_t nid;
- int i, nodes;
- nodes = snd_hda_get_sub_nodes(codec, codec->core.afg, &nid);
- if (!nid || nodes < 0) {
- codec_warn(codec, "HDMI: failed to get afg sub nodes\n");
- return -EINVAL;
- }
- for (i = 0; i < nodes; i++, nid++) {
- unsigned int caps;
- unsigned int type;
- caps = get_wcaps(codec, nid);
- type = get_wcaps_type(caps);
- if (!(caps & AC_WCAP_DIGITAL))
- continue;
- switch (type) {
- case AC_WID_AUD_OUT:
- hdmi_add_cvt(codec, nid);
- break;
- case AC_WID_PIN:
- hdmi_add_pin(codec, nid);
- break;
- }
- }
- return 0;
- }
- /*
- */
- static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
- {
- struct hda_spdif_out *spdif;
- bool non_pcm;
- mutex_lock(&codec->spdif_mutex);
- spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid);
- non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO);
- mutex_unlock(&codec->spdif_mutex);
- return non_pcm;
- }
- /* There is a fixed mapping between audio pin node and display port
- * on current Intel platforms:
- * Pin Widget 5 - PORT B (port = 1 in i915 driver)
- * Pin Widget 6 - PORT C (port = 2 in i915 driver)
- * Pin Widget 7 - PORT D (port = 3 in i915 driver)
- */
- static int intel_pin2port(hda_nid_t pin_nid)
- {
- return pin_nid - 4;
- }
- /*
- * HDMI callbacks
- */
- static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
- struct hda_codec *codec,
- unsigned int stream_tag,
- unsigned int format,
- struct snd_pcm_substream *substream)
- {
- hda_nid_t cvt_nid = hinfo->nid;
- struct hdmi_spec *spec = codec->spec;
- int pin_idx = hinfo_to_pin_index(codec, hinfo);
- struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
- hda_nid_t pin_nid = per_pin->pin_nid;
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct i915_audio_component *acomp = codec->bus->core.audio_component;
- bool non_pcm;
- int pinctl;
- if (is_haswell_plus(codec) || is_valleyview_plus(codec)) {
- /* Verify pin:cvt selections to avoid silent audio after S3.
- * After S3, the audio driver restores pin:cvt selections
- * but this can happen before gfx is ready and such selection
- * is overlooked by HW. Thus multiple pins can share a same
- * default convertor and mute control will affect each other,
- * which can cause a resumed audio playback become silent
- * after S3.
- */
- intel_verify_pin_cvt_connect(codec, per_pin);
- intel_not_share_assigned_cvt(codec, pin_nid, per_pin->mux_idx);
- }
- /* Call sync_audio_rate to set the N/CTS/M manually if necessary */
- /* Todo: add DP1.2 MST audio support later */
- if (acomp && acomp->ops && acomp->ops->sync_audio_rate)
- acomp->ops->sync_audio_rate(acomp->dev,
- intel_pin2port(pin_nid),
- runtime->rate);
- non_pcm = check_non_pcm_per_cvt(codec, cvt_nid);
- mutex_lock(&per_pin->lock);
- per_pin->channels = substream->runtime->channels;
- per_pin->setup = true;
- hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
- mutex_unlock(&per_pin->lock);
- if (spec->dyn_pin_out) {
- pinctl = snd_hda_codec_read(codec, pin_nid, 0,
- AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
- snd_hda_codec_write(codec, pin_nid, 0,
- AC_VERB_SET_PIN_WIDGET_CONTROL,
- pinctl | PIN_OUT);
- }
- return spec->ops.setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
- }
- static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
- struct hda_codec *codec,
- struct snd_pcm_substream *substream)
- {
- snd_hda_codec_cleanup_stream(codec, hinfo->nid);
- return 0;
- }
- static int hdmi_pcm_close(struct hda_pcm_stream *hinfo,
- struct hda_codec *codec,
- struct snd_pcm_substream *substream)
- {
- struct hdmi_spec *spec = codec->spec;
- int cvt_idx, pin_idx;
- struct hdmi_spec_per_cvt *per_cvt;
- struct hdmi_spec_per_pin *per_pin;
- int pinctl;
- if (hinfo->nid) {
- cvt_idx = cvt_nid_to_cvt_index(codec, hinfo->nid);
- if (snd_BUG_ON(cvt_idx < 0))
- return -EINVAL;
- per_cvt = get_cvt(spec, cvt_idx);
- snd_BUG_ON(!per_cvt->assigned);
- per_cvt->assigned = 0;
- hinfo->nid = 0;
- pin_idx = hinfo_to_pin_index(codec, hinfo);
- if (snd_BUG_ON(pin_idx < 0))
- return -EINVAL;
- per_pin = get_pin(spec, pin_idx);
- if (spec->dyn_pin_out) {
- pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
- AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
- snd_hda_codec_write(codec, per_pin->pin_nid, 0,
- AC_VERB_SET_PIN_WIDGET_CONTROL,
- pinctl & ~PIN_OUT);
- }
- snd_hda_spdif_ctls_unassign(codec, pin_idx);
- mutex_lock(&per_pin->lock);
- per_pin->chmap_set = false;
- memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
- per_pin->setup = false;
- per_pin->channels = 0;
- mutex_unlock(&per_pin->lock);
- }
- return 0;
- }
- static const struct hda_pcm_ops generic_ops = {
- .open = hdmi_pcm_open,
- .close = hdmi_pcm_close,
- .prepare = generic_hdmi_playback_pcm_prepare,
- .cleanup = generic_hdmi_playback_pcm_cleanup,
- };
- /*
- * ALSA API channel-map control callbacks
- */
- static int hdmi_chmap_ctl_info(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
- {
- struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
- struct hda_codec *codec = info->private_data;
- struct hdmi_spec *spec = codec->spec;
- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
- uinfo->count = spec->channels_max;
- uinfo->value.integer.min = 0;
- uinfo->value.integer.max = SNDRV_CHMAP_LAST;
- return 0;
- }
- static int hdmi_chmap_cea_alloc_validate_get_type(struct cea_channel_speaker_allocation *cap,
- int channels)
- {
- /* 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 void hdmi_cea_alloc_to_tlv_chmap(struct cea_channel_speaker_allocation *cap,
- unsigned int *chmap, int channels)
- {
- int count = 0;
- int c;
- for (c = 7; c >= 0; c--) {
- int spk = cap->speakers[c];
- if (!spk)
- continue;
- chmap[count++] = spk_to_chmap(spk);
- }
- WARN_ON(count != channels);
- }
- static int hdmi_chmap_ctl_tlv(struct snd_kcontrol *kcontrol, int op_flag,
- unsigned int size, unsigned int __user *tlv)
- {
- struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
- struct hda_codec *codec = info->private_data;
- struct hdmi_spec *spec = codec->spec;
- unsigned int __user *dst;
- int chs, count = 0;
- if (size < 8)
- return -ENOMEM;
- if (put_user(SNDRV_CTL_TLVT_CONTAINER, tlv))
- return -EFAULT;
- size -= 8;
- dst = tlv + 2;
- for (chs = 2; chs <= spec->channels_max; chs++) {
- int i;
- struct cea_channel_speaker_allocation *cap;
- cap = channel_allocations;
- for (i = 0; i < ARRAY_SIZE(channel_allocations); i++, cap++) {
- int chs_bytes = chs * 4;
- int type = spec->ops.chmap_cea_alloc_validate_get_type(cap, chs);
- unsigned int tlv_chmap[8];
- if (type < 0)
- continue;
- if (size < 8)
- return -ENOMEM;
- if (put_user(type, dst) ||
- put_user(chs_bytes, dst + 1))
- return -EFAULT;
- dst += 2;
- size -= 8;
- count += 8;
- if (size < chs_bytes)
- return -ENOMEM;
- size -= chs_bytes;
- count += chs_bytes;
- spec->ops.cea_alloc_to_tlv_chmap(cap, tlv_chmap, chs);
- if (copy_to_user(dst, tlv_chmap, chs_bytes))
- return -EFAULT;
- dst += chs;
- }
- }
- if (put_user(count, tlv + 1))
- return -EFAULT;
- return 0;
- }
- static int hdmi_chmap_ctl_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
- struct hda_codec *codec = info->private_data;
- struct hdmi_spec *spec = codec->spec;
- int pin_idx = kcontrol->private_value;
- struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
- int i;
- for (i = 0; i < ARRAY_SIZE(per_pin->chmap); i++)
- ucontrol->value.integer.value[i] = per_pin->chmap[i];
- return 0;
- }
- static int hdmi_chmap_ctl_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
- struct hda_codec *codec = info->private_data;
- struct hdmi_spec *spec = codec->spec;
- int pin_idx = kcontrol->private_value;
- struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
- unsigned int ctl_idx;
- struct snd_pcm_substream *substream;
- unsigned char chmap[8];
- int i, err, ca, prepared = 0;
- ctl_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
- substream = snd_pcm_chmap_substream(info, ctl_idx);
- if (!substream || !substream->runtime)
- return 0; /* just for avoiding error from alsactl restore */
- switch (substream->runtime->status->state) {
- case SNDRV_PCM_STATE_OPEN:
- case SNDRV_PCM_STATE_SETUP:
- break;
- case SNDRV_PCM_STATE_PREPARED:
- prepared = 1;
- break;
- default:
- return -EBUSY;
- }
- memset(chmap, 0, sizeof(chmap));
- for (i = 0; i < ARRAY_SIZE(chmap); i++)
- chmap[i] = ucontrol->value.integer.value[i];
- if (!memcmp(chmap, per_pin->chmap, sizeof(chmap)))
- return 0;
- ca = hdmi_manual_channel_allocation(ARRAY_SIZE(chmap), chmap);
- if (ca < 0)
- return -EINVAL;
- if (spec->ops.chmap_validate) {
- err = spec->ops.chmap_validate(ca, ARRAY_SIZE(chmap), chmap);
- if (err)
- return err;
- }
- mutex_lock(&per_pin->lock);
- per_pin->chmap_set = true;
- memcpy(per_pin->chmap, chmap, sizeof(chmap));
- if (prepared)
- hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
- mutex_unlock(&per_pin->lock);
- return 0;
- }
- static int generic_hdmi_build_pcms(struct hda_codec *codec)
- {
- struct hdmi_spec *spec = codec->spec;
- int pin_idx;
- for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
- struct hda_pcm *info;
- struct hda_pcm_stream *pstr;
- info = snd_hda_codec_pcm_new(codec, "HDMI %d", pin_idx);
- if (!info)
- return -ENOMEM;
- spec->pcm_rec[pin_idx] = info;
- info->pcm_type = HDA_PCM_TYPE_HDMI;
- info->own_chmap = true;
- pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
- pstr->substreams = 1;
- pstr->ops = generic_ops;
- /* other pstr fields are set in open */
- }
- return 0;
- }
- static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx)
- {
- char hdmi_str[32] = "HDMI/DP";
- struct hdmi_spec *spec = codec->spec;
- struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
- int pcmdev = get_pcm_rec(spec, pin_idx)->device;
- bool phantom_jack;
- if (pcmdev > 0)
- sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
- phantom_jack = !is_jack_detectable(codec, per_pin->pin_nid);
- if (phantom_jack)
- strncat(hdmi_str, " Phantom",
- sizeof(hdmi_str) - strlen(hdmi_str) - 1);
- return snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str,
- phantom_jack);
- }
- static int generic_hdmi_build_controls(struct hda_codec *codec)
- {
- struct hdmi_spec *spec = codec->spec;
- int err;
- int pin_idx;
- for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
- struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
- err = generic_hdmi_build_jack(codec, pin_idx);
- if (err < 0)
- return err;
- err = snd_hda_create_dig_out_ctls(codec,
- per_pin->pin_nid,
- per_pin->mux_nids[0],
- HDA_PCM_TYPE_HDMI);
- if (err < 0)
- return err;
- snd_hda_spdif_ctls_unassign(codec, pin_idx);
- /* add control for ELD Bytes */
- err = hdmi_create_eld_ctl(codec, pin_idx,
- get_pcm_rec(spec, pin_idx)->device);
- if (err < 0)
- return err;
- hdmi_present_sense(per_pin, 0);
- }
- /* add channel maps */
- for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
- struct hda_pcm *pcm;
- struct snd_pcm_chmap *chmap;
- struct snd_kcontrol *kctl;
- int i;
- pcm = spec->pcm_rec[pin_idx];
- if (!pcm || !pcm->pcm)
- break;
- err = snd_pcm_add_chmap_ctls(pcm->pcm,
- SNDRV_PCM_STREAM_PLAYBACK,
- NULL, 0, pin_idx, &chmap);
- if (err < 0)
- return err;
- /* override handlers */
- chmap->private_data = codec;
- kctl = chmap->kctl;
- for (i = 0; i < kctl->count; i++)
- kctl->vd[i].access |= SNDRV_CTL_ELEM_ACCESS_WRITE;
- kctl->info = hdmi_chmap_ctl_info;
- kctl->get = hdmi_chmap_ctl_get;
- kctl->put = hdmi_chmap_ctl_put;
- kctl->tlv.c = hdmi_chmap_ctl_tlv;
- }
- return 0;
- }
- static int generic_hdmi_init_per_pins(struct hda_codec *codec)
- {
- struct hdmi_spec *spec = codec->spec;
- int pin_idx;
- for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
- struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
- per_pin->codec = codec;
- mutex_init(&per_pin->lock);
- INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
- eld_proc_new(per_pin, pin_idx);
- }
- return 0;
- }
- static int generic_hdmi_init(struct hda_codec *codec)
- {
- struct hdmi_spec *spec = codec->spec;
- int pin_idx;
- for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
- struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
- hda_nid_t pin_nid = per_pin->pin_nid;
- hdmi_init_pin(codec, pin_nid);
- snd_hda_jack_detect_enable_callback(codec, pin_nid,
- codec->jackpoll_interval > 0 ? jack_callback : NULL);
- }
- return 0;
- }
- static void hdmi_array_init(struct hdmi_spec *spec, int nums)
- {
- snd_array_init(&spec->pins, sizeof(struct hdmi_spec_per_pin), nums);
- snd_array_init(&spec->cvts, sizeof(struct hdmi_spec_per_cvt), nums);
- }
- static void hdmi_array_free(struct hdmi_spec *spec)
- {
- snd_array_free(&spec->pins);
- snd_array_free(&spec->cvts);
- }
- static void generic_hdmi_free(struct hda_codec *codec)
- {
- struct hdmi_spec *spec = codec->spec;
- int pin_idx;
- if (is_haswell_plus(codec) || is_valleyview_plus(codec))
- snd_hdac_i915_register_notifier(NULL);
- for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
- struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
- cancel_delayed_work_sync(&per_pin->work);
- eld_proc_free(per_pin);
- }
- hdmi_array_free(spec);
- kfree(spec);
- }
- #ifdef CONFIG_PM
- static int generic_hdmi_resume(struct hda_codec *codec)
- {
- struct hdmi_spec *spec = codec->spec;
- int pin_idx;
- codec->patch_ops.init(codec);
- regcache_sync(codec->core.regmap);
- for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
- struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
- hdmi_present_sense(per_pin, 1);
- }
- return 0;
- }
- #endif
- static const struct hda_codec_ops generic_hdmi_patch_ops = {
- .init = generic_hdmi_init,
- .free = generic_hdmi_free,
- .build_pcms = generic_hdmi_build_pcms,
- .build_controls = generic_hdmi_build_controls,
- .unsol_event = hdmi_unsol_event,
- #ifdef CONFIG_PM
- .resume = generic_hdmi_resume,
- #endif
- };
- static const struct hdmi_ops generic_standard_hdmi_ops = {
- .pin_get_eld = snd_hdmi_get_eld,
- .pin_get_slot_channel = hdmi_pin_get_slot_channel,
- .pin_set_slot_channel = hdmi_pin_set_slot_channel,
- .pin_setup_infoframe = hdmi_pin_setup_infoframe,
- .pin_hbr_setup = hdmi_pin_hbr_setup,
- .setup_stream = hdmi_setup_stream,
- .chmap_cea_alloc_validate_get_type = hdmi_chmap_cea_alloc_validate_get_type,
- .cea_alloc_to_tlv_chmap = hdmi_cea_alloc_to_tlv_chmap,
- };
- static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
- hda_nid_t nid)
- {
- struct hdmi_spec *spec = codec->spec;
- hda_nid_t conns[4];
- int nconns;
- nconns = snd_hda_get_connections(codec, nid, conns, ARRAY_SIZE(conns));
- if (nconns == spec->num_cvts &&
- !memcmp(conns, spec->cvt_nids, spec->num_cvts * sizeof(hda_nid_t)))
- return;
- /* override pins connection list */
- codec_dbg(codec, "hdmi: haswell: override pin connection 0x%x\n", nid);
- snd_hda_override_conn_list(codec, nid, spec->num_cvts, spec->cvt_nids);
- }
- #define INTEL_VENDOR_NID 0x08
- #define INTEL_GET_VENDOR_VERB 0xf81
- #define INTEL_SET_VENDOR_VERB 0x781
- #define INTEL_EN_DP12 0x02 /* enable DP 1.2 features */
- #define INTEL_EN_ALL_PIN_CVTS 0x01 /* enable 2nd & 3rd pins and convertors */
- static void intel_haswell_enable_all_pins(struct hda_codec *codec,
- bool update_tree)
- {
- unsigned int vendor_param;
- vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
- INTEL_GET_VENDOR_VERB, 0);
- if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS)
- return;
- vendor_param |= INTEL_EN_ALL_PIN_CVTS;
- vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
- INTEL_SET_VENDOR_VERB, vendor_param);
- if (vendor_param == -1)
- return;
- if (update_tree)
- snd_hda_codec_update_widgets(codec);
- }
- static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec)
- {
- unsigned int vendor_param;
- vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
- INTEL_GET_VENDOR_VERB, 0);
- if (vendor_param == -1 || vendor_param & INTEL_EN_DP12)
- return;
- /* enable DP1.2 mode */
- vendor_param |= INTEL_EN_DP12;
- snd_hdac_regmap_add_vendor_verb(&codec->core, INTEL_SET_VENDOR_VERB);
- snd_hda_codec_write_cache(codec, INTEL_VENDOR_NID, 0,
- INTEL_SET_VENDOR_VERB, vendor_param);
- }
- /* Haswell needs to re-issue the vendor-specific verbs before turning to D0.
- * Otherwise you may get severe h/w communication errors.
- */
- static void haswell_set_power_state(struct hda_codec *codec, hda_nid_t fg,
- unsigned int power_state)
- {
- if (power_state == AC_PWRST_D0) {
- intel_haswell_enable_all_pins(codec, false);
- intel_haswell_fixup_enable_dp12(codec);
- }
- snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, power_state);
- snd_hda_codec_set_power_to_all(codec, fg, power_state);
- }
- static void intel_pin_eld_notify(void *audio_ptr, int port)
- {
- struct hda_codec *codec = audio_ptr;
- int pin_nid = port + 0x04;
- /* we assume only from port-B to port-D */
- if (port < 1 || port > 3)
- return;
- /* skip notification during system suspend (but not in runtime PM);
- * the state will be updated at resume
- */
- if (snd_power_get_state(codec->card) != SNDRV_CTL_POWER_D0)
- return;
- check_presence_and_report(codec, pin_nid);
- }
- static int patch_generic_hdmi(struct hda_codec *codec)
- {
- struct hdmi_spec *spec;
- spec = kzalloc(sizeof(*spec), GFP_KERNEL);
- if (spec == NULL)
- return -ENOMEM;
- spec->ops = generic_standard_hdmi_ops;
- codec->spec = spec;
- hdmi_array_init(spec, 4);
- if (is_haswell_plus(codec)) {
- intel_haswell_enable_all_pins(codec, true);
- intel_haswell_fixup_enable_dp12(codec);
- }
- /* For Valleyview/Cherryview, only the display codec is in the display
- * power well and can use link_power ops to request/release the power.
- * For Haswell/Broadwell, the controller is also in the power well and
- * can cover the codec power request, and so need not set this flag.
- * For previous platforms, there is no such power well feature.
- */
- if (is_valleyview_plus(codec) || is_skylake(codec) ||
- is_broxton(codec))
- codec->core.link_power_control = 1;
- if (is_haswell_plus(codec) || is_valleyview_plus(codec)) {
- codec->depop_delay = 0;
- spec->i915_audio_ops.audio_ptr = codec;
- spec->i915_audio_ops.pin_eld_notify = intel_pin_eld_notify;
- snd_hdac_i915_register_notifier(&spec->i915_audio_ops);
- }
- if (hdmi_parse_codec(codec) < 0) {
- codec->spec = NULL;
- kfree(spec);
- return -EINVAL;
- }
- codec->patch_ops = generic_hdmi_patch_ops;
- if (is_haswell_plus(codec)) {
- codec->patch_ops.set_power_state = haswell_set_power_state;
- codec->dp_mst = true;
- }
- /* Enable runtime pm for HDMI audio codec of HSW/BDW/SKL/BYT/BSW */
- if (is_haswell_plus(codec) || is_valleyview_plus(codec))
- codec->auto_runtime_pm = 1;
- generic_hdmi_init_per_pins(codec);
- init_channel_allocations();
- return 0;
- }
- /*
- * Shared non-generic implementations
- */
- static int simple_playback_build_pcms(struct hda_codec *codec)
- {
- struct hdmi_spec *spec = codec->spec;
- struct hda_pcm *info;
- unsigned int chans;
- struct hda_pcm_stream *pstr;
- struct hdmi_spec_per_cvt *per_cvt;
- per_cvt = get_cvt(spec, 0);
- chans = get_wcaps(codec, per_cvt->cvt_nid);
- chans = get_wcaps_channels(chans);
- info = snd_hda_codec_pcm_new(codec, "HDMI 0");
- if (!info)
- return -ENOMEM;
- spec->pcm_rec[0] = info;
- info->pcm_type = HDA_PCM_TYPE_HDMI;
- pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
- *pstr = spec->pcm_playback;
- pstr->nid = per_cvt->cvt_nid;
- if (pstr->channels_max <= 2 && chans && chans <= 16)
- pstr->channels_max = chans;
- return 0;
- }
- /* unsolicited event for jack sensing */
- static void simple_hdmi_unsol_event(struct hda_codec *codec,
- unsigned int res)
- {
- snd_hda_jack_set_dirty_all(codec);
- snd_hda_jack_report_sync(codec);
- }
- /* generic_hdmi_build_jack can be used for simple_hdmi, too,
- * as long as spec->pins[] is set correctly
- */
- #define simple_hdmi_build_jack generic_hdmi_build_jack
- static int simple_playback_build_controls(struct hda_codec *codec)
- {
- struct hdmi_spec *spec = codec->spec;
- struct hdmi_spec_per_cvt *per_cvt;
- int err;
- per_cvt = get_cvt(spec, 0);
- err = snd_hda_create_dig_out_ctls(codec, per_cvt->cvt_nid,
- per_cvt->cvt_nid,
- HDA_PCM_TYPE_HDMI);
- if (err < 0)
- return err;
- return simple_hdmi_build_jack(codec, 0);
- }
- static int simple_playback_init(struct hda_codec *codec)
- {
- struct hdmi_spec *spec = codec->spec;
- struct hdmi_spec_per_pin *per_pin = get_pin(spec, 0);
- hda_nid_t pin = per_pin->pin_nid;
- snd_hda_codec_write(codec, pin, 0,
- AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
- /* some codecs require to unmute the pin */
- if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
- snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE,
- AMP_OUT_UNMUTE);
- snd_hda_jack_detect_enable(codec, pin);
- return 0;
- }
- static void simple_playback_free(struct hda_codec *codec)
- {
- struct hdmi_spec *spec = codec->spec;
- hdmi_array_free(spec);
- kfree(spec);
- }
- /*
- * Nvidia specific implementations
- */
- #define Nv_VERB_SET_Channel_Allocation 0xF79
- #define Nv_VERB_SET_Info_Frame_Checksum 0xF7A
- #define Nv_VERB_SET_Audio_Protection_On 0xF98
- #define Nv_VERB_SET_Audio_Protection_Off 0xF99
- #define nvhdmi_master_con_nid_7x 0x04
- #define nvhdmi_master_pin_nid_7x 0x05
- static const hda_nid_t nvhdmi_con_nids_7x[4] = {
- /*front, rear, clfe, rear_surr */
- 0x6, 0x8, 0xa, 0xc,
- };
- static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = {
- /* set audio protect on */
- { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
- /* enable digital output on pin widget */
- { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
- {} /* terminator */
- };
- static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = {
- /* set audio protect on */
- { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
- /* enable digital output on pin widget */
- { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
- { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
- { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
- { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
- { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
- {} /* terminator */
- };
- #ifdef LIMITED_RATE_FMT_SUPPORT
- /* support only the safe format and rate */
- #define SUPPORTED_RATES SNDRV_PCM_RATE_48000
- #define SUPPORTED_MAXBPS 16
- #define SUPPORTED_FORMATS SNDRV_PCM_FMTBIT_S16_LE
- #else
- /* support all rates and formats */
- #define SUPPORTED_RATES \
- (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
- SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
- SNDRV_PCM_RATE_192000)
- #define SUPPORTED_MAXBPS 24
- #define SUPPORTED_FORMATS \
- (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
- #endif
- static int nvhdmi_7x_init_2ch(struct hda_codec *codec)
- {
- snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch);
- return 0;
- }
- static int nvhdmi_7x_init_8ch(struct hda_codec *codec)
- {
- snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch);
- return 0;
- }
- static unsigned int channels_2_6_8[] = {
- 2, 6, 8
- };
- static unsigned int channels_2_8[] = {
- 2, 8
- };
- static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
- .count = ARRAY_SIZE(channels_2_6_8),
- .list = channels_2_6_8,
- .mask = 0,
- };
- static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
- .count = ARRAY_SIZE(channels_2_8),
- .list = channels_2_8,
- .mask = 0,
- };
- static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
- struct hda_codec *codec,
- struct snd_pcm_substream *substream)
- {
- struct hdmi_spec *spec = codec->spec;
- struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
- switch (codec->preset->vendor_id) {
- case 0x10de0002:
- case 0x10de0003:
- case 0x10de0005:
- case 0x10de0006:
- hw_constraints_channels = &hw_constraints_2_8_channels;
- break;
- case 0x10de0007:
- hw_constraints_channels = &hw_constraints_2_6_8_channels;
- break;
- default:
- break;
- }
- if (hw_constraints_channels != NULL) {
- snd_pcm_hw_constraint_list(substream->runtime, 0,
- SNDRV_PCM_HW_PARAM_CHANNELS,
- hw_constraints_channels);
- } else {
- snd_pcm_hw_constraint_step(substream->runtime, 0,
- SNDRV_PCM_HW_PARAM_CHANNELS, 2);
- }
- return snd_hda_multi_out_dig_open(codec, &spec->multiout);
- }
- static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
- struct hda_codec *codec,
- struct snd_pcm_substream *substream)
- {
- struct hdmi_spec *spec = codec->spec;
- return snd_hda_multi_out_dig_close(codec, &spec->multiout);
- }
- static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
- struct hda_codec *codec,
- unsigned int stream_tag,
- unsigned int format,
- struct snd_pcm_substream *substream)
- {
- struct hdmi_spec *spec = codec->spec;
- return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
- stream_tag, format, substream);
- }
- static const struct hda_pcm_stream simple_pcm_playback = {
- .substreams = 1,
- .channels_min = 2,
- .channels_max = 2,
- .ops = {
- .open = simple_playback_pcm_open,
- .close = simple_playback_pcm_close,
- .prepare = simple_playback_pcm_prepare
- },
- };
- static const struct hda_codec_ops simple_hdmi_patch_ops = {
- .build_controls = simple_playback_build_controls,
- .build_pcms = simple_playback_build_pcms,
- .init = simple_playback_init,
- .free = simple_playback_free,
- .unsol_event = simple_hdmi_unsol_event,
- };
- static int patch_simple_hdmi(struct hda_codec *codec,
- hda_nid_t cvt_nid, hda_nid_t pin_nid)
- {
- struct hdmi_spec *spec;
- struct hdmi_spec_per_cvt *per_cvt;
- struct hdmi_spec_per_pin *per_pin;
- spec = kzalloc(sizeof(*spec), GFP_KERNEL);
- if (!spec)
- return -ENOMEM;
- codec->spec = spec;
- hdmi_array_init(spec, 1);
- spec->multiout.num_dacs = 0; /* no analog */
- spec->multiout.max_channels = 2;
- spec->multiout.dig_out_nid = cvt_nid;
- spec->num_cvts = 1;
- spec->num_pins = 1;
- per_pin = snd_array_new(&spec->pins);
- per_cvt = snd_array_new(&spec->cvts);
- if (!per_pin || !per_cvt) {
- simple_playback_free(codec);
- return -ENOMEM;
- }
- per_cvt->cvt_nid = cvt_nid;
- per_pin->pin_nid = pin_nid;
- spec->pcm_playback = simple_pcm_playback;
- codec->patch_ops = simple_hdmi_patch_ops;
- return 0;
- }
- static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
- int channels)
- {
- unsigned int chanmask;
- int chan = channels ? (channels - 1) : 1;
- switch (channels) {
- default:
- case 0:
- case 2:
- chanmask = 0x00;
- break;
- case 4:
- chanmask = 0x08;
- break;
- case 6:
- chanmask = 0x0b;
- break;
- case 8:
- chanmask = 0x13;
- break;
- }
- /* Set the audio infoframe channel allocation and checksum fields. The
- * channel count is computed implicitly by the hardware. */
- snd_hda_codec_write(codec, 0x1, 0,
- Nv_VERB_SET_Channel_Allocation, chanmask);
- snd_hda_codec_write(codec, 0x1, 0,
- Nv_VERB_SET_Info_Frame_Checksum,
- (0x71 - chan - chanmask));
- }
- static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
- struct hda_codec *codec,
- struct snd_pcm_substream *substream)
- {
- struct hdmi_spec *spec = codec->spec;
- int i;
- snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
- 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
- for (i = 0; i < 4; i++) {
- /* set the stream id */
- snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
- AC_VERB_SET_CHANNEL_STREAMID, 0);
- /* set the stream format */
- snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
- AC_VERB_SET_STREAM_FORMAT, 0);
- }
- /* The audio hardware sends a channel count of 0x7 (8ch) when all the
- * streams are disabled. */
- nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
- return snd_hda_multi_out_dig_close(codec, &spec->multiout);
- }
- static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
- struct hda_codec *codec,
- unsigned int stream_tag,
- unsigned int format,
- struct snd_pcm_substream *substream)
- {
- int chs;
- unsigned int dataDCC2, channel_id;
- int i;
- struct hdmi_spec *spec = codec->spec;
- struct hda_spdif_out *spdif;
- struct hdmi_spec_per_cvt *per_cvt;
- mutex_lock(&codec->spdif_mutex);
- per_cvt = get_cvt(spec, 0);
- spdif = snd_hda_spdif_out_of_nid(codec, per_cvt->cvt_nid);
- chs = substream->runtime->channels;
- dataDCC2 = 0x2;
- /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
- if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
- snd_hda_codec_write(codec,
- nvhdmi_master_con_nid_7x,
- 0,
- AC_VERB_SET_DIGI_CONVERT_1,
- spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
- /* set the stream id */
- snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
- AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
- /* set the stream format */
- snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
- AC_VERB_SET_STREAM_FORMAT, format);
- /* turn on again (if needed) */
- /* enable and set the channel status audio/data flag */
- if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
- snd_hda_codec_write(codec,
- nvhdmi_master_con_nid_7x,
- 0,
- AC_VERB_SET_DIGI_CONVERT_1,
- spdif->ctls & 0xff);
- snd_hda_codec_write(codec,
- nvhdmi_master_con_nid_7x,
- 0,
- AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
- }
- for (i = 0; i < 4; i++) {
- if (chs == 2)
- channel_id = 0;
- else
- channel_id = i * 2;
- /* turn off SPDIF once;
- *otherwise the IEC958 bits won't be updated
- */
- if (codec->spdif_status_reset &&
- (spdif->ctls & AC_DIG1_ENABLE))
- snd_hda_codec_write(codec,
- nvhdmi_con_nids_7x[i],
- 0,
- AC_VERB_SET_DIGI_CONVERT_1,
- spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
- /* set the stream id */
- snd_hda_codec_write(codec,
- nvhdmi_con_nids_7x[i],
- 0,
- AC_VERB_SET_CHANNEL_STREAMID,
- (stream_tag << 4) | channel_id);
- /* set the stream format */
- snd_hda_codec_write(codec,
- nvhdmi_con_nids_7x[i],
- 0,
- AC_VERB_SET_STREAM_FORMAT,
- format);
- /* turn on again (if needed) */
- /* enable and set the channel status audio/data flag */
- if (codec->spdif_status_reset &&
- (spdif->ctls & AC_DIG1_ENABLE)) {
- snd_hda_codec_write(codec,
- nvhdmi_con_nids_7x[i],
- 0,
- AC_VERB_SET_DIGI_CONVERT_1,
- spdif->ctls & 0xff);
- snd_hda_codec_write(codec,
- nvhdmi_con_nids_7x[i],
- 0,
- AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
- }
- }
- nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
- mutex_unlock(&codec->spdif_mutex);
- return 0;
- }
- static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
- .substreams = 1,
- .channels_min = 2,
- .channels_max = 8,
- .nid = nvhdmi_master_con_nid_7x,
- .rates = SUPPORTED_RATES,
- .maxbps = SUPPORTED_MAXBPS,
- .formats = SUPPORTED_FORMATS,
- .ops = {
- .open = simple_playback_pcm_open,
- .close = nvhdmi_8ch_7x_pcm_close,
- .prepare = nvhdmi_8ch_7x_pcm_prepare
- },
- };
- static int patch_nvhdmi_2ch(struct hda_codec *codec)
- {
- struct hdmi_spec *spec;
- int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x,
- nvhdmi_master_pin_nid_7x);
- if (err < 0)
- return err;
- codec->patch_ops.init = nvhdmi_7x_init_2ch;
- /* override the PCM rates, etc, as the codec doesn't give full list */
- spec = codec->spec;
- spec->pcm_playback.rates = SUPPORTED_RATES;
- spec->pcm_playback.maxbps = SUPPORTED_MAXBPS;
- spec->pcm_playback.formats = SUPPORTED_FORMATS;
- return 0;
- }
- static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec)
- {
- struct hdmi_spec *spec = codec->spec;
- int err = simple_playback_build_pcms(codec);
- if (!err) {
- struct hda_pcm *info = get_pcm_rec(spec, 0);
- info->own_chmap = true;
- }
- return err;
- }
- static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec)
- {
- struct hdmi_spec *spec = codec->spec;
- struct hda_pcm *info;
- struct snd_pcm_chmap *chmap;
- int err;
- err = simple_playback_build_controls(codec);
- if (err < 0)
- return err;
- /* add channel maps */
- info = get_pcm_rec(spec, 0);
- err = snd_pcm_add_chmap_ctls(info->pcm,
- SNDRV_PCM_STREAM_PLAYBACK,
- snd_pcm_alt_chmaps, 8, 0, &chmap);
- if (err < 0)
- return err;
- switch (codec->preset->vendor_id) {
- case 0x10de0002:
- case 0x10de0003:
- case 0x10de0005:
- case 0x10de0006:
- chmap->channel_mask = (1U << 2) | (1U << 8);
- break;
- case 0x10de0007:
- chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8);
- }
- return 0;
- }
- static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
- {
- struct hdmi_spec *spec;
- int err = patch_nvhdmi_2ch(codec);
- if (err < 0)
- return err;
- spec = codec->spec;
- spec->multiout.max_channels = 8;
- spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x;
- codec->patch_ops.init = nvhdmi_7x_init_8ch;
- codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms;
- codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls;
- /* Initialize the audio infoframe channel mask and checksum to something
- * valid */
- nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
- return 0;
- }
- /*
- * NVIDIA codecs ignore ASP mapping for 2ch - confirmed on:
- * - 0x10de0015
- * - 0x10de0040
- */
- static int nvhdmi_chmap_cea_alloc_validate_get_type(struct cea_channel_speaker_allocation *cap,
- int channels)
- {
- if (cap->ca_index == 0x00 && channels == 2)
- return SNDRV_CTL_TLVT_CHMAP_FIXED;
- return hdmi_chmap_cea_alloc_validate_get_type(cap, channels);
- }
- static int nvhdmi_chmap_validate(int ca, int chs, unsigned char *map)
- {
- if (ca == 0x00 && (map[0] != SNDRV_CHMAP_FL || map[1] != SNDRV_CHMAP_FR))
- return -EINVAL;
- return 0;
- }
- static int patch_nvhdmi(struct hda_codec *codec)
- {
- struct hdmi_spec *spec;
- int err;
- err = patch_generic_hdmi(codec);
- if (err)
- return err;
- spec = codec->spec;
- spec->dyn_pin_out = true;
- spec->ops.chmap_cea_alloc_validate_get_type =
- nvhdmi_chmap_cea_alloc_validate_get_type;
- spec->ops.chmap_validate = nvhdmi_chmap_validate;
- return 0;
- }
- /*
- * The HDA codec on NVIDIA Tegra contains two scratch registers that are
- * accessed using vendor-defined verbs. These registers can be used for
- * interoperability between the HDA and HDMI drivers.
- */
- /* Audio Function Group node */
- #define NVIDIA_AFG_NID 0x01
- /*
- * The SCRATCH0 register is used to notify the HDMI codec of changes in audio
- * format. On Tegra, bit 31 is used as a trigger that causes an interrupt to
- * be raised in the HDMI codec. The remainder of the bits is arbitrary. This
- * implementation stores the HDA format (see AC_FMT_*) in bits [15:0] and an
- * additional bit (at position 30) to signal the validity of the format.
- *
- * | 31 | 30 | 29 16 | 15 0 |
- * +---------+-------+--------+--------+
- * | TRIGGER | VALID | UNUSED | FORMAT |
- * +-----------------------------------|
- *
- * Note that for the trigger bit to take effect it needs to change value
- * (i.e. it needs to be toggled).
- */
- #define NVIDIA_GET_SCRATCH0 0xfa6
- #define NVIDIA_SET_SCRATCH0_BYTE0 0xfa7
- #define NVIDIA_SET_SCRATCH0_BYTE1 0xfa8
- #define NVIDIA_SET_SCRATCH0_BYTE2 0xfa9
- #define NVIDIA_SET_SCRATCH0_BYTE3 0xfaa
- #define NVIDIA_SCRATCH_TRIGGER (1 << 7)
- #define NVIDIA_SCRATCH_VALID (1 << 6)
- #define NVIDIA_GET_SCRATCH1 0xfab
- #define NVIDIA_SET_SCRATCH1_BYTE0 0xfac
- #define NVIDIA_SET_SCRATCH1_BYTE1 0xfad
- #define NVIDIA_SET_SCRATCH1_BYTE2 0xfae
- #define NVIDIA_SET_SCRATCH1_BYTE3 0xfaf
- /*
- * The format parameter is the HDA audio format (see AC_FMT_*). If set to 0,
- * the format is invalidated so that the HDMI codec can be disabled.
- */
- static void tegra_hdmi_set_format(struct hda_codec *codec, unsigned int format)
- {
- unsigned int value;
- /* bits [31:30] contain the trigger and valid bits */
- value = snd_hda_codec_read(codec, NVIDIA_AFG_NID, 0,
- NVIDIA_GET_SCRATCH0, 0);
- value = (value >> 24) & 0xff;
- /* bits [15:0] are used to store the HDA format */
- snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
- NVIDIA_SET_SCRATCH0_BYTE0,
- (format >> 0) & 0xff);
- snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
- NVIDIA_SET_SCRATCH0_BYTE1,
- (format >> 8) & 0xff);
- /* bits [16:24] are unused */
- snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
- NVIDIA_SET_SCRATCH0_BYTE2, 0);
- /*
- * Bit 30 signals that the data is valid and hence that HDMI audio can
- * be enabled.
- */
- if (format == 0)
- value &= ~NVIDIA_SCRATCH_VALID;
- else
- value |= NVIDIA_SCRATCH_VALID;
- /*
- * Whenever the trigger bit is toggled, an interrupt is raised in the
- * HDMI codec. The HDMI driver will use that as trigger to update its
- * configuration.
- */
- value ^= NVIDIA_SCRATCH_TRIGGER;
- snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
- NVIDIA_SET_SCRATCH0_BYTE3, value);
- }
- static int tegra_hdmi_pcm_prepare(struct hda_pcm_stream *hinfo,
- struct hda_codec *codec,
- unsigned int stream_tag,
- unsigned int format,
- struct snd_pcm_substream *substream)
- {
- int err;
- err = generic_hdmi_playback_pcm_prepare(hinfo, codec, stream_tag,
- format, substream);
- if (err < 0)
- return err;
- /* notify the HDMI codec of the format change */
- tegra_hdmi_set_format(codec, format);
- return 0;
- }
- static int tegra_hdmi_pcm_cleanup(struct hda_pcm_stream *hinfo,
- struct hda_codec *codec,
- struct snd_pcm_substream *substream)
- {
- /* invalidate the format in the HDMI codec */
- tegra_hdmi_set_format(codec, 0);
- return generic_hdmi_playback_pcm_cleanup(hinfo, codec, substream);
- }
- static struct hda_pcm *hda_find_pcm_by_type(struct hda_codec *codec, int type)
- {
- struct hdmi_spec *spec = codec->spec;
- unsigned int i;
- for (i = 0; i < spec->num_pins; i++) {
- struct hda_pcm *pcm = get_pcm_rec(spec, i);
- if (pcm->pcm_type == type)
- return pcm;
- }
- return NULL;
- }
- static int tegra_hdmi_build_pcms(struct hda_codec *codec)
- {
- struct hda_pcm_stream *stream;
- struct hda_pcm *pcm;
- int err;
- err = generic_hdmi_build_pcms(codec);
- if (err < 0)
- return err;
- pcm = hda_find_pcm_by_type(codec, HDA_PCM_TYPE_HDMI);
- if (!pcm)
- return -ENODEV;
- /*
- * Override ->prepare() and ->cleanup() operations to notify the HDMI
- * codec about format changes.
- */
- stream = &pcm->stream[SNDRV_PCM_STREAM_PLAYBACK];
- stream->ops.prepare = tegra_hdmi_pcm_prepare;
- stream->ops.cleanup = tegra_hdmi_pcm_cleanup;
- return 0;
- }
- static int patch_tegra_hdmi(struct hda_codec *codec)
- {
- int err;
- err = patch_generic_hdmi(codec);
- if (err)
- return err;
- codec->patch_ops.build_pcms = tegra_hdmi_build_pcms;
- return 0;
- }
- /*
- * ATI/AMD-specific implementations
- */
- #define is_amdhdmi_rev3_or_later(codec) \
- ((codec)->core.vendor_id == 0x1002aa01 && \
- ((codec)->core.revision_id & 0xff00) >= 0x0300)
- #define has_amd_full_remap_support(codec) is_amdhdmi_rev3_or_later(codec)
- /* ATI/AMD specific HDA pin verbs, see the AMD HDA Verbs specification */
- #define ATI_VERB_SET_CHANNEL_ALLOCATION 0x771
- #define ATI_VERB_SET_DOWNMIX_INFO 0x772
- #define ATI_VERB_SET_MULTICHANNEL_01 0x777
- #define ATI_VERB_SET_MULTICHANNEL_23 0x778
- #define ATI_VERB_SET_MULTICHANNEL_45 0x779
- #define ATI_VERB_SET_MULTICHANNEL_67 0x77a
- #define ATI_VERB_SET_HBR_CONTROL 0x77c
- #define ATI_VERB_SET_MULTICHANNEL_1 0x785
- #define ATI_VERB_SET_MULTICHANNEL_3 0x786
- #define ATI_VERB_SET_MULTICHANNEL_5 0x787
- #define ATI_VERB_SET_MULTICHANNEL_7 0x788
- #define ATI_VERB_SET_MULTICHANNEL_MODE 0x789
- #define ATI_VERB_GET_CHANNEL_ALLOCATION 0xf71
- #define ATI_VERB_GET_DOWNMIX_INFO 0xf72
- #define ATI_VERB_GET_MULTICHANNEL_01 0xf77
- #define ATI_VERB_GET_MULTICHANNEL_23 0xf78
- #define ATI_VERB_GET_MULTICHANNEL_45 0xf79
- #define ATI_VERB_GET_MULTICHANNEL_67 0xf7a
- #define ATI_VERB_GET_HBR_CONTROL 0xf7c
- #define ATI_VERB_GET_MULTICHANNEL_1 0xf85
- #define ATI_VERB_GET_MULTICHANNEL_3 0xf86
- #define ATI_VERB_GET_MULTICHANNEL_5 0xf87
- #define ATI_VERB_GET_MULTICHANNEL_7 0xf88
- #define ATI_VERB_GET_MULTICHANNEL_MODE 0xf89
- /* AMD specific HDA cvt verbs */
- #define ATI_VERB_SET_RAMP_RATE 0x770
- #define ATI_VERB_GET_RAMP_RATE 0xf70
- #define ATI_OUT_ENABLE 0x1
- #define ATI_MULTICHANNEL_MODE_PAIRED 0
- #define ATI_MULTICHANNEL_MODE_SINGLE 1
- #define ATI_HBR_CAPABLE 0x01
- #define ATI_HBR_ENABLE 0x10
- static int atihdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid,
- unsigned char *buf, int *eld_size)
- {
- /* call hda_eld.c ATI/AMD-specific function */
- return snd_hdmi_get_eld_ati(codec, nid, buf, eld_size,
- is_amdhdmi_rev3_or_later(codec));
- }
- static void atihdmi_pin_setup_infoframe(struct hda_codec *codec, hda_nid_t pin_nid, int ca,
- int active_channels, int conn_type)
- {
- snd_hda_codec_write(codec, pin_nid, 0, ATI_VERB_SET_CHANNEL_ALLOCATION, ca);
- }
- static int atihdmi_paired_swap_fc_lfe(int pos)
- {
- /*
- * ATI/AMD have automatic FC/LFE swap built-in
- * when in pairwise mapping mode.
- */
- switch (pos) {
- /* see channel_allocations[].speakers[] */
- case 2: return 3;
- case 3: return 2;
- default: break;
- }
- return pos;
- }
- static int atihdmi_paired_chmap_validate(int ca, int chs, unsigned char *map)
- {
- struct cea_channel_speaker_allocation *cap;
- int i, j;
- /* check that only channel pairs need to be remapped on old pre-rev3 ATI/AMD */
- cap = &channel_allocations[get_channel_allocation_order(ca)];
- for (i = 0; i < chs; ++i) {
- int mask = to_spk_mask(map[i]);
- bool ok = false;
- bool companion_ok = false;
- if (!mask)
- continue;
- for (j = 0 + i % 2; j < 8; j += 2) {
- int chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j);
- if (cap->speakers[chan_idx] == mask) {
- /* channel is in a supported position */
- ok = true;
- if (i % 2 == 0 && i + 1 < chs) {
- /* even channel, check the odd companion */
- int comp_chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j + 1);
- int comp_mask_req = to_spk_mask(map[i+1]);
- int comp_mask_act = cap->speakers[comp_chan_idx];
- if (comp_mask_req == comp_mask_act)
- companion_ok = true;
- else
- return -EINVAL;
- }
- break;
- }
- }
- if (!ok)
- return -EINVAL;
- if (companion_ok)
- i++; /* companion channel already checked */
- }
- return 0;
- }
- static int atihdmi_pin_set_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid,
- int hdmi_slot, int stream_channel)
- {
- int verb;
- int ati_channel_setup = 0;
- if (hdmi_slot > 7)
- return -EINVAL;
- if (!has_amd_full_remap_support(codec)) {
- hdmi_slot = atihdmi_paired_swap_fc_lfe(hdmi_slot);
- /* In case this is an odd slot but without stream channel, do not
- * disable the slot since the corresponding even slot could have a
- * channel. In case neither have a channel, the slot pair will be
- * disabled when this function is called for the even slot. */
- if (hdmi_slot % 2 != 0 && stream_channel == 0xf)
- return 0;
- hdmi_slot -= hdmi_slot % 2;
- if (stream_channel != 0xf)
- stream_channel -= stream_channel % 2;
- }
- verb = ATI_VERB_SET_MULTICHANNEL_01 + hdmi_slot/2 + (hdmi_slot % 2) * 0x00e;
- /* ati_channel_setup format: [7..4] = stream_channel_id, [1] = mute, [0] = enable */
- if (stream_channel != 0xf)
- ati_channel_setup = (stream_channel << 4) | ATI_OUT_ENABLE;
- return snd_hda_codec_write(codec, pin_nid, 0, verb, ati_channel_setup);
- }
- static int atihdmi_pin_get_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid,
- int asp_slot)
- {
- bool was_odd = false;
- int ati_asp_slot = asp_slot;
- int verb;
- int ati_channel_setup;
- if (asp_slot > 7)
- return -EINVAL;
- if (!has_amd_full_remap_support(codec)) {
- ati_asp_slot = atihdmi_paired_swap_fc_lfe(asp_slot);
- if (ati_asp_slot % 2 != 0) {
- ati_asp_slot -= 1;
- was_odd = true;
- }
- }
- verb = ATI_VERB_GET_MULTICHANNEL_01 + ati_asp_slot/2 + (ati_asp_slot % 2) * 0x00e;
- ati_channel_setup = snd_hda_codec_read(codec, pin_nid, 0, verb, 0);
- if (!(ati_channel_setup & ATI_OUT_ENABLE))
- return 0xf;
- return ((ati_channel_setup & 0xf0) >> 4) + !!was_odd;
- }
- static int atihdmi_paired_chmap_cea_alloc_validate_get_type(struct cea_channel_speaker_allocation *cap,
- int channels)
- {
- int c;
- /*
- * Pre-rev3 ATI/AMD codecs operate in a paired channel mode, so
- * we need to take that into account (a single channel may take 2
- * channel slots if we need to carry a silent channel next to it).
- * On Rev3+ AMD codecs this function is not used.
- */
- int chanpairs = 0;
- /* We only produce even-numbered channel count TLVs */
- if ((channels % 2) != 0)
- return -1;
- for (c = 0; c < 7; c += 2) {
- if (cap->speakers[c] || cap->speakers[c+1])
- chanpairs++;
- }
- if (chanpairs * 2 != channels)
- return -1;
- return SNDRV_CTL_TLVT_CHMAP_PAIRED;
- }
- static void atihdmi_paired_cea_alloc_to_tlv_chmap(struct cea_channel_speaker_allocation *cap,
- unsigned int *chmap, int channels)
- {
- /* produce paired maps for pre-rev3 ATI/AMD codecs */
- int count = 0;
- int c;
- for (c = 7; c >= 0; c--) {
- int chan = 7 - atihdmi_paired_swap_fc_lfe(7 - c);
- int spk = cap->speakers[chan];
- if (!spk) {
- /* add N/A channel if the companion channel is occupied */
- if (cap->speakers[chan + (chan % 2 ? -1 : 1)])
- chmap[count++] = SNDRV_CHMAP_NA;
- continue;
- }
- chmap[count++] = spk_to_chmap(spk);
- }
- WARN_ON(count != channels);
- }
- static int atihdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
- bool hbr)
- {
- int hbr_ctl, hbr_ctl_new;
- hbr_ctl = snd_hda_codec_read(codec, pin_nid, 0, ATI_VERB_GET_HBR_CONTROL, 0);
- if (hbr_ctl >= 0 && (hbr_ctl & ATI_HBR_CAPABLE)) {
- if (hbr)
- hbr_ctl_new = hbr_ctl | ATI_HBR_ENABLE;
- else
- hbr_ctl_new = hbr_ctl & ~ATI_HBR_ENABLE;
- codec_dbg(codec,
- "atihdmi_pin_hbr_setup: NID=0x%x, %shbr-ctl=0x%x\n",
- pin_nid,
- hbr_ctl == hbr_ctl_new ? "" : "new-",
- hbr_ctl_new);
- if (hbr_ctl != hbr_ctl_new)
- snd_hda_codec_write(codec, pin_nid, 0,
- ATI_VERB_SET_HBR_CONTROL,
- hbr_ctl_new);
- } else if (hbr)
- return -EINVAL;
- return 0;
- }
- static int atihdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
- hda_nid_t pin_nid, u32 stream_tag, int format)
- {
- if (is_amdhdmi_rev3_or_later(codec)) {
- int ramp_rate = 180; /* default as per AMD spec */
- /* disable ramp-up/down for non-pcm as per AMD spec */
- if (format & AC_FMT_TYPE_NON_PCM)
- ramp_rate = 0;
- snd_hda_codec_write(codec, cvt_nid, 0, ATI_VERB_SET_RAMP_RATE, ramp_rate);
- }
- return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
- }
- static int atihdmi_init(struct hda_codec *codec)
- {
- struct hdmi_spec *spec = codec->spec;
- int pin_idx, err;
- err = generic_hdmi_init(codec);
- if (err)
- return err;
- for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
- struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
- /* make sure downmix information in infoframe is zero */
- snd_hda_codec_write(codec, per_pin->pin_nid, 0, ATI_VERB_SET_DOWNMIX_INFO, 0);
- /* enable channel-wise remap mode if supported */
- if (has_amd_full_remap_support(codec))
- snd_hda_codec_write(codec, per_pin->pin_nid, 0,
- ATI_VERB_SET_MULTICHANNEL_MODE,
- ATI_MULTICHANNEL_MODE_SINGLE);
- }
- return 0;
- }
- static int patch_atihdmi(struct hda_codec *codec)
- {
- struct hdmi_spec *spec;
- struct hdmi_spec_per_cvt *per_cvt;
- int err, cvt_idx;
- err = patch_generic_hdmi(codec);
- if (err)
- return err;
- codec->patch_ops.init = atihdmi_init;
- spec = codec->spec;
- spec->ops.pin_get_eld = atihdmi_pin_get_eld;
- spec->ops.pin_get_slot_channel = atihdmi_pin_get_slot_channel;
- spec->ops.pin_set_slot_channel = atihdmi_pin_set_slot_channel;
- spec->ops.pin_setup_infoframe = atihdmi_pin_setup_infoframe;
- spec->ops.pin_hbr_setup = atihdmi_pin_hbr_setup;
- spec->ops.setup_stream = atihdmi_setup_stream;
- if (!has_amd_full_remap_support(codec)) {
- /* override to ATI/AMD-specific versions with pairwise mapping */
- spec->ops.chmap_cea_alloc_validate_get_type =
- atihdmi_paired_chmap_cea_alloc_validate_get_type;
- spec->ops.cea_alloc_to_tlv_chmap = atihdmi_paired_cea_alloc_to_tlv_chmap;
- spec->ops.chmap_validate = atihdmi_paired_chmap_validate;
- }
- /* ATI/AMD converters do not advertise all of their capabilities */
- for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
- per_cvt = get_cvt(spec, cvt_idx);
- per_cvt->channels_max = max(per_cvt->channels_max, 8u);
- per_cvt->rates |= SUPPORTED_RATES;
- per_cvt->formats |= SUPPORTED_FORMATS;
- per_cvt->maxbps = max(per_cvt->maxbps, 24u);
- }
- spec->channels_max = max(spec->channels_max, 8u);
- return 0;
- }
- /* VIA HDMI Implementation */
- #define VIAHDMI_CVT_NID 0x02 /* audio converter1 */
- #define VIAHDMI_PIN_NID 0x03 /* HDMI output pin1 */
- static int patch_via_hdmi(struct hda_codec *codec)
- {
- return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID);
- }
- /*
- * patch entries
- */
- static const struct hda_device_id snd_hda_id_hdmi[] = {
- HDA_CODEC_ENTRY(0x1002793c, "RS600 HDMI", patch_atihdmi),
- HDA_CODEC_ENTRY(0x10027919, "RS600 HDMI", patch_atihdmi),
- HDA_CODEC_ENTRY(0x1002791a, "RS690/780 HDMI", patch_atihdmi),
- HDA_CODEC_ENTRY(0x1002aa01, "R6xx HDMI", patch_atihdmi),
- HDA_CODEC_ENTRY(0x10951390, "SiI1390 HDMI", patch_generic_hdmi),
- HDA_CODEC_ENTRY(0x10951392, "SiI1392 HDMI", patch_generic_hdmi),
- HDA_CODEC_ENTRY(0x17e80047, "Chrontel HDMI", patch_generic_hdmi),
- HDA_CODEC_ENTRY(0x10de0002, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x),
- HDA_CODEC_ENTRY(0x10de0003, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x),
- HDA_CODEC_ENTRY(0x10de0005, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x),
- HDA_CODEC_ENTRY(0x10de0006, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x),
- HDA_CODEC_ENTRY(0x10de0007, "MCP79/7A HDMI", patch_nvhdmi_8ch_7x),
- HDA_CODEC_ENTRY(0x10de000a, "GPU 0a HDMI/DP", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de000b, "GPU 0b HDMI/DP", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de000c, "MCP89 HDMI", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de000d, "GPU 0d HDMI/DP", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de0010, "GPU 10 HDMI/DP", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de0011, "GPU 11 HDMI/DP", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de0012, "GPU 12 HDMI/DP", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de0013, "GPU 13 HDMI/DP", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de0014, "GPU 14 HDMI/DP", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de0015, "GPU 15 HDMI/DP", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de0016, "GPU 16 HDMI/DP", patch_nvhdmi),
- /* 17 is known to be absent */
- HDA_CODEC_ENTRY(0x10de0018, "GPU 18 HDMI/DP", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de0019, "GPU 19 HDMI/DP", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de001a, "GPU 1a HDMI/DP", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de001b, "GPU 1b HDMI/DP", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de001c, "GPU 1c HDMI/DP", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de0020, "Tegra30 HDMI", patch_tegra_hdmi),
- HDA_CODEC_ENTRY(0x10de0022, "Tegra114 HDMI", patch_tegra_hdmi),
- HDA_CODEC_ENTRY(0x10de0028, "Tegra124 HDMI", patch_tegra_hdmi),
- HDA_CODEC_ENTRY(0x10de0029, "Tegra210 HDMI/DP", patch_tegra_hdmi),
- HDA_CODEC_ENTRY(0x10de0040, "GPU 40 HDMI/DP", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de0041, "GPU 41 HDMI/DP", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de0042, "GPU 42 HDMI/DP", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de0043, "GPU 43 HDMI/DP", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de0044, "GPU 44 HDMI/DP", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de0051, "GPU 51 HDMI/DP", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de0060, "GPU 60 HDMI/DP", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de0067, "MCP67 HDMI", patch_nvhdmi_2ch),
- HDA_CODEC_ENTRY(0x10de0070, "GPU 70 HDMI/DP", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de0071, "GPU 71 HDMI/DP", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de0072, "GPU 72 HDMI/DP", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de007d, "GPU 7d HDMI/DP", patch_nvhdmi),
- HDA_CODEC_ENTRY(0x10de8001, "MCP73 HDMI", patch_nvhdmi_2ch),
- HDA_CODEC_ENTRY(0x11069f80, "VX900 HDMI/DP", patch_via_hdmi),
- HDA_CODEC_ENTRY(0x11069f81, "VX900 HDMI/DP", patch_via_hdmi),
- HDA_CODEC_ENTRY(0x11069f84, "VX11 HDMI/DP", patch_generic_hdmi),
- HDA_CODEC_ENTRY(0x11069f85, "VX11 HDMI/DP", patch_generic_hdmi),
- HDA_CODEC_ENTRY(0x80860054, "IbexPeak HDMI", patch_generic_hdmi),
- HDA_CODEC_ENTRY(0x80862801, "Bearlake HDMI", patch_generic_hdmi),
- HDA_CODEC_ENTRY(0x80862802, "Cantiga HDMI", patch_generic_hdmi),
- HDA_CODEC_ENTRY(0x80862803, "Eaglelake HDMI", patch_generic_hdmi),
- HDA_CODEC_ENTRY(0x80862804, "IbexPeak HDMI", patch_generic_hdmi),
- HDA_CODEC_ENTRY(0x80862805, "CougarPoint HDMI", patch_generic_hdmi),
- HDA_CODEC_ENTRY(0x80862806, "PantherPoint HDMI", patch_generic_hdmi),
- HDA_CODEC_ENTRY(0x80862807, "Haswell HDMI", patch_generic_hdmi),
- HDA_CODEC_ENTRY(0x80862808, "Broadwell HDMI", patch_generic_hdmi),
- HDA_CODEC_ENTRY(0x80862809, "Skylake HDMI", patch_generic_hdmi),
- HDA_CODEC_ENTRY(0x8086280a, "Broxton HDMI", patch_generic_hdmi),
- HDA_CODEC_ENTRY(0x8086280b, "Kabylake HDMI", patch_generic_hdmi),
- HDA_CODEC_ENTRY(0x80862880, "CedarTrail HDMI", patch_generic_hdmi),
- HDA_CODEC_ENTRY(0x80862882, "Valleyview2 HDMI", patch_generic_hdmi),
- HDA_CODEC_ENTRY(0x80862883, "Braswell HDMI", patch_generic_hdmi),
- HDA_CODEC_ENTRY(0x808629fb, "Crestline HDMI", patch_generic_hdmi),
- /* special ID for generic HDMI */
- HDA_CODEC_ENTRY(HDA_CODEC_ID_GENERIC_HDMI, "Generic HDMI", patch_generic_hdmi),
- {} /* terminator */
- };
- MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_hdmi);
- MODULE_LICENSE("GPL");
- MODULE_DESCRIPTION("HDMI HD-audio codec");
- MODULE_ALIAS("snd-hda-codec-intelhdmi");
- MODULE_ALIAS("snd-hda-codec-nvhdmi");
- MODULE_ALIAS("snd-hda-codec-atihdmi");
- static struct hda_codec_driver hdmi_driver = {
- .id = snd_hda_id_hdmi,
- };
- module_hda_codec_driver(hdmi_driver);
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