| /* |
| * |
| * 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 <sound/hda_chmap.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; |
| /* pin idx, different device entries on the same pin use the same idx */ |
| int pin_nid_idx; |
| 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 hdmi_pcm *pcm; /* pointer to spec->pcm_rec[n] dynamically*/ |
| int pcm_idx; /* which pcm is attached. -1 means no pcm is attached */ |
| 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 |
| }; |
| |
| /* 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); |
| |
| 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); |
| |
| void (*pin_cvt_fixup)(struct hda_codec *codec, |
| struct hdmi_spec_per_pin *per_pin, |
| hda_nid_t cvt_nid); |
| }; |
| |
| struct hdmi_pcm { |
| struct hda_pcm *pcm; |
| struct snd_jack *jack; |
| struct snd_kcontrol *eld_ctl; |
| }; |
| |
| 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 hdmi_pcm pcm_rec[16]; |
| struct mutex pcm_lock; |
| /* pcm_bitmap means which pcms have been assigned to pins*/ |
| unsigned long pcm_bitmap; |
| int pcm_used; /* counter of pcm_rec[] */ |
| /* bitmap shows whether the pcm is opened in user space |
| * bit 0 means the first playback PCM (PCM3); |
| * bit 1 means the second playback PCM, and so on. |
| */ |
| unsigned long pcm_in_use; |
| |
| struct hdmi_eld temp_eld; |
| struct hdmi_ops ops; |
| |
| bool dyn_pin_out; |
| bool dyn_pcm_assign; |
| /* |
| * Non-generic VIA/NVIDIA specific |
| */ |
| struct hda_multi_out multiout; |
| struct hda_pcm_stream pcm_playback; |
| |
| /* i915/powerwell (Haswell+/Valleyview+) specific */ |
| bool use_acomp_notifier; /* use i915 eld_notify callback for hotplug */ |
| struct i915_audio_component_audio_ops i915_audio_ops; |
| bool i915_bound; /* was i915 bound in this driver? */ |
| |
| struct hdac_chmap chmap; |
| }; |
| |
| #ifdef CONFIG_SND_HDA_I915 |
| static inline bool codec_has_acomp(struct hda_codec *codec) |
| { |
| struct hdmi_spec *spec = codec->spec; |
| return spec->use_acomp_notifier; |
| } |
| #else |
| #define codec_has_acomp(codec) false |
| #endif |
| |
| 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]; |
| }; |
| |
| /* |
| * 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)) |
| /* obtain hdmi_pcm object assigned to idx */ |
| #define get_hdmi_pcm(spec, idx) (&(spec)->pcm_rec[idx]) |
| /* obtain hda_pcm object assigned to idx */ |
| #define get_pcm_rec(spec, idx) (get_hdmi_pcm(spec, idx)->pcm) |
| |
| 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_pcm_index(struct hda_codec *codec, |
| struct hda_pcm_stream *hinfo) |
| { |
| struct hdmi_spec *spec = codec->spec; |
| int pcm_idx; |
| |
| for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) |
| if (get_pcm_rec(spec, pcm_idx)->stream == hinfo) |
| return pcm_idx; |
| |
| codec_warn(codec, "HDMI: hinfo %p not registered\n", hinfo); |
| return -EINVAL; |
| } |
| |
| static int hinfo_to_pin_index(struct hda_codec *codec, |
| struct hda_pcm_stream *hinfo) |
| { |
| struct hdmi_spec *spec = codec->spec; |
| struct hdmi_spec_per_pin *per_pin; |
| int pin_idx; |
| |
| for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { |
| per_pin = get_pin(spec, pin_idx); |
| if (per_pin->pcm && |
| per_pin->pcm->pcm->stream == hinfo) |
| return pin_idx; |
| } |
| |
| codec_dbg(codec, "HDMI: hinfo %p not registered\n", hinfo); |
| return -EINVAL; |
| } |
| |
| static struct hdmi_spec_per_pin *pcm_idx_to_pin(struct hdmi_spec *spec, |
| int pcm_idx) |
| { |
| int i; |
| struct hdmi_spec_per_pin *per_pin; |
| |
| for (i = 0; i < spec->num_pins; i++) { |
| per_pin = get_pin(spec, i); |
| if (per_pin->pcm_idx == pcm_idx) |
| return per_pin; |
| } |
| return NULL; |
| } |
| |
| 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 pcm_idx; |
| |
| uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; |
| |
| pcm_idx = kcontrol->private_value; |
| mutex_lock(&spec->pcm_lock); |
| per_pin = pcm_idx_to_pin(spec, pcm_idx); |
| if (!per_pin) { |
| /* no pin is bound to the pcm */ |
| uinfo->count = 0; |
| mutex_unlock(&spec->pcm_lock); |
| return 0; |
| } |
| eld = &per_pin->sink_eld; |
| uinfo->count = eld->eld_valid ? eld->eld_size : 0; |
| mutex_unlock(&spec->pcm_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 pcm_idx; |
| |
| pcm_idx = kcontrol->private_value; |
| mutex_lock(&spec->pcm_lock); |
| per_pin = pcm_idx_to_pin(spec, pcm_idx); |
| if (!per_pin) { |
| /* no pin is bound to the pcm */ |
| memset(ucontrol->value.bytes.data, 0, |
| ARRAY_SIZE(ucontrol->value.bytes.data)); |
| mutex_unlock(&spec->pcm_lock); |
| return 0; |
| } |
| eld = &per_pin->sink_eld; |
| |
| if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data) || |
| eld->eld_size > ELD_MAX_SIZE) { |
| mutex_unlock(&spec->pcm_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(&spec->pcm_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 pcm_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 = pcm_idx; |
| kctl->id.device = device; |
| |
| /* no pin nid is associated with the kctl now |
| * tbd: associate pin nid to eld ctl later |
| */ |
| err = snd_hda_ctl_add(codec, 0, kctl); |
| if (err < 0) |
| return err; |
| |
| get_hdmi_pcm(spec, pcm_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); |
| } |
| |
| /* |
| * 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 |
| |
| /* |
| * 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; |
| struct hdac_chmap *chmap = &spec->chmap; |
| hda_nid_t pin_nid = per_pin->pin_nid; |
| int channels = per_pin->channels; |
| int active_channels; |
| struct hdmi_eld *eld; |
| int ca; |
| |
| if (!channels) |
| return; |
| |
| /* some HW (e.g. HSW+) needs reprogramming the amp at each time */ |
| 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); |
| |
| eld = &per_pin->sink_eld; |
| |
| ca = snd_hdac_channel_allocation(&codec->core, |
| eld->info.spk_alloc, channels, |
| per_pin->chmap_set, non_pcm, per_pin->chmap); |
| |
| active_channels = snd_hdac_get_active_channels(ca); |
| |
| chmap->ops.set_channel_count(&codec->core, per_pin->cvt_nid, |
| active_channels); |
| |
| /* |
| * always configure channel mapping, it may have been changed by the |
| * user in the meantime |
| */ |
| snd_hdac_setup_channel_mapping(&spec->chmap, |
| 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; |
| |
| 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; |
| } |
| |
| /* Try to find an available converter |
| * If pin_idx is less then zero, just try to find an available converter. |
| * Otherwise, try to find an available converter and get the cvt mux index |
| * of the pin. |
| */ |
| static int hdmi_choose_cvt(struct hda_codec *codec, |
| int pin_idx, int *cvt_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; |
| |
| /* pin_idx < 0 means no pin will be bound to the converter */ |
| if (pin_idx < 0) |
| per_pin = NULL; |
| else |
| 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; |
| if (per_pin == NULL) |
| break; |
| /* 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 -EBUSY; |
| |
| if (per_pin != NULL) |
| per_pin->mux_idx = mux_idx; |
| |
| if (cvt_id) |
| *cvt_id = cvt_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); |
| } |
| |
| /* get the mux index for the converter of the pins |
| * converter's mux index is the same for all pins on Intel platform |
| */ |
| static int intel_cvt_id_to_mux_idx(struct hdmi_spec *spec, |
| hda_nid_t cvt_nid) |
| { |
| int i; |
| |
| for (i = 0; i < spec->num_cvts; i++) |
| if (spec->cvt_nids[i] == cvt_nid) |
| return i; |
| return -EINVAL; |
| } |
| |
| /* 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; |
| } |
| } |
| } |
| } |
| |
| /* A wrapper of intel_not_share_asigned_cvt() */ |
| static void intel_not_share_assigned_cvt_nid(struct hda_codec *codec, |
| hda_nid_t pin_nid, hda_nid_t cvt_nid) |
| { |
| int mux_idx; |
| struct hdmi_spec *spec = codec->spec; |
| |
| /* On Intel platform, the mapping of converter nid to |
| * mux index of the pins are always the same. |
| * The pin nid may be 0, this means all pins will not |
| * share the converter. |
| */ |
| mux_idx = intel_cvt_id_to_mux_idx(spec, cvt_nid); |
| if (mux_idx >= 0) |
| intel_not_share_assigned_cvt(codec, pin_nid, mux_idx); |
| } |
| |
| /* skeleton caller of pin_cvt_fixup ops */ |
| static void pin_cvt_fixup(struct hda_codec *codec, |
| struct hdmi_spec_per_pin *per_pin, |
| hda_nid_t cvt_nid) |
| { |
| struct hdmi_spec *spec = codec->spec; |
| |
| if (spec->ops.pin_cvt_fixup) |
| spec->ops.pin_cvt_fixup(codec, per_pin, cvt_nid); |
| } |
| |
| /* called in hdmi_pcm_open when no pin is assigned to the PCM |
| * in dyn_pcm_assign mode. |
| */ |
| static int hdmi_pcm_open_no_pin(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 cvt_idx, pcm_idx; |
| struct hdmi_spec_per_cvt *per_cvt = NULL; |
| int err; |
| |
| pcm_idx = hinfo_to_pcm_index(codec, hinfo); |
| if (pcm_idx < 0) |
| return -EINVAL; |
| |
| err = hdmi_choose_cvt(codec, -1, &cvt_idx); |
| if (err) |
| return err; |
| |
| per_cvt = get_cvt(spec, cvt_idx); |
| per_cvt->assigned = 1; |
| hinfo->nid = per_cvt->cvt_nid; |
| |
| pin_cvt_fixup(codec, NULL, per_cvt->cvt_nid); |
| |
| set_bit(pcm_idx, &spec->pcm_in_use); |
| /* todo: setup spdif ctls assign */ |
| |
| /* 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; |
| |
| /* 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 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, pcm_idx; |
| struct hdmi_spec_per_pin *per_pin; |
| struct hdmi_eld *eld; |
| struct hdmi_spec_per_cvt *per_cvt = NULL; |
| int err; |
| |
| /* Validate hinfo */ |
| pcm_idx = hinfo_to_pcm_index(codec, hinfo); |
| if (pcm_idx < 0) |
| return -EINVAL; |
| |
| mutex_lock(&spec->pcm_lock); |
| pin_idx = hinfo_to_pin_index(codec, hinfo); |
| if (!spec->dyn_pcm_assign) { |
| if (snd_BUG_ON(pin_idx < 0)) { |
| mutex_unlock(&spec->pcm_lock); |
| return -EINVAL; |
| } |
| } else { |
| /* no pin is assigned to the PCM |
| * PA need pcm open successfully when probe |
| */ |
| if (pin_idx < 0) { |
| err = hdmi_pcm_open_no_pin(hinfo, codec, substream); |
| mutex_unlock(&spec->pcm_lock); |
| return err; |
| } |
| } |
| |
| err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx); |
| if (err < 0) { |
| mutex_unlock(&spec->pcm_lock); |
| return err; |
| } |
| |
| per_cvt = get_cvt(spec, cvt_idx); |
| /* Claim converter */ |
| per_cvt->assigned = 1; |
| |
| set_bit(pcm_idx, &spec->pcm_in_use); |
| per_pin = get_pin(spec, pin_idx); |
| 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, |
| per_pin->mux_idx); |
| |
| /* configure unused pins to choose other converters */ |
| pin_cvt_fixup(codec, per_pin, 0); |
| |
| snd_hda_spdif_ctls_assign(codec, pcm_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; |
| |
| eld = &per_pin->sink_eld; |
| /* 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, pcm_idx); |
| mutex_unlock(&spec->pcm_lock); |
| return -ENODEV; |
| } |
| } |
| |
| mutex_unlock(&spec->pcm_lock); |
| /* 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 int hdmi_find_pcm_slot(struct hdmi_spec *spec, |
| struct hdmi_spec_per_pin *per_pin) |
| { |
| int i; |
| |
| /* try the prefer PCM */ |
| if (!test_bit(per_pin->pin_nid_idx, &spec->pcm_bitmap)) |
| return per_pin->pin_nid_idx; |
| |
| /* have a second try; check the "reserved area" over num_pins */ |
| for (i = spec->num_pins; i < spec->pcm_used; i++) { |
| if (!test_bit(i, &spec->pcm_bitmap)) |
| return i; |
| } |
| |
| /* the last try; check the empty slots in pins */ |
| for (i = 0; i < spec->num_pins; i++) { |
| if (!test_bit(i, &spec->pcm_bitmap)) |
| return i; |
| } |
| return -EBUSY; |
| } |
| |
| static void hdmi_attach_hda_pcm(struct hdmi_spec *spec, |
| struct hdmi_spec_per_pin *per_pin) |
| { |
| int idx; |
| |
| /* pcm already be attached to the pin */ |
| if (per_pin->pcm) |
| return; |
| idx = hdmi_find_pcm_slot(spec, per_pin); |
| if (idx == -EBUSY) |
| return; |
| per_pin->pcm_idx = idx; |
| per_pin->pcm = get_hdmi_pcm(spec, idx); |
| set_bit(idx, &spec->pcm_bitmap); |
| } |
| |
| static void hdmi_detach_hda_pcm(struct hdmi_spec *spec, |
| struct hdmi_spec_per_pin *per_pin) |
| { |
| int idx; |
| |
| /* pcm already be detached from the pin */ |
| if (!per_pin->pcm) |
| return; |
| idx = per_pin->pcm_idx; |
| per_pin->pcm_idx = -1; |
| per_pin->pcm = NULL; |
| if (idx >= 0 && idx < spec->pcm_used) |
| clear_bit(idx, &spec->pcm_bitmap); |
| } |
| |
| static int hdmi_get_pin_cvt_mux(struct hdmi_spec *spec, |
| struct hdmi_spec_per_pin *per_pin, hda_nid_t cvt_nid) |
| { |
| int mux_idx; |
| |
| for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++) |
| if (per_pin->mux_nids[mux_idx] == cvt_nid) |
| break; |
| return mux_idx; |
| } |
| |
| static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid); |
| |
| static void hdmi_pcm_setup_pin(struct hdmi_spec *spec, |
| struct hdmi_spec_per_pin *per_pin) |
| { |
| struct hda_codec *codec = per_pin->codec; |
| struct hda_pcm *pcm; |
| struct hda_pcm_stream *hinfo; |
| struct snd_pcm_substream *substream; |
| int mux_idx; |
| bool non_pcm; |
| |
| if (per_pin->pcm_idx >= 0 && per_pin->pcm_idx < spec->pcm_used) |
| pcm = get_pcm_rec(spec, per_pin->pcm_idx); |
| else |
| return; |
| if (!test_bit(per_pin->pcm_idx, &spec->pcm_in_use)) |
| return; |
| |
| /* hdmi audio only uses playback and one substream */ |
| hinfo = pcm->stream; |
| substream = pcm->pcm->streams[0].substream; |
| |
| per_pin->cvt_nid = hinfo->nid; |
| |
| mux_idx = hdmi_get_pin_cvt_mux(spec, per_pin, hinfo->nid); |
| if (mux_idx < per_pin->num_mux_nids) |
| snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0, |
| AC_VERB_SET_CONNECT_SEL, |
| mux_idx); |
| snd_hda_spdif_ctls_assign(codec, per_pin->pcm_idx, hinfo->nid); |
| |
| non_pcm = check_non_pcm_per_cvt(codec, hinfo->nid); |
| if (substream->runtime) |
| per_pin->channels = substream->runtime->channels; |
| per_pin->setup = true; |
| per_pin->mux_idx = mux_idx; |
| |
| hdmi_setup_audio_infoframe(codec, per_pin, non_pcm); |
| } |
| |
| static void hdmi_pcm_reset_pin(struct hdmi_spec *spec, |
| struct hdmi_spec_per_pin *per_pin) |
| { |
| if (per_pin->pcm_idx >= 0 && per_pin->pcm_idx < spec->pcm_used) |
| snd_hda_spdif_ctls_unassign(per_pin->codec, per_pin->pcm_idx); |
| |
| per_pin->chmap_set = false; |
| memset(per_pin->chmap, 0, sizeof(per_pin->chmap)); |
| |
| per_pin->setup = false; |
| per_pin->channels = 0; |
| } |
| |
| /* update per_pin ELD from the given new ELD; |
| * setup info frame and notification accordingly |
| */ |
| static void update_eld(struct hda_codec *codec, |
| struct hdmi_spec_per_pin *per_pin, |
| struct hdmi_eld *eld) |
| { |
| struct hdmi_eld *pin_eld = &per_pin->sink_eld; |
| struct hdmi_spec *spec = codec->spec; |
| bool old_eld_valid = pin_eld->eld_valid; |
| bool eld_changed; |
| int pcm_idx = -1; |
| |
| /* for monitor disconnection, save pcm_idx firstly */ |
| pcm_idx = per_pin->pcm_idx; |
| if (spec->dyn_pcm_assign) { |
| if (eld->eld_valid) { |
| hdmi_attach_hda_pcm(spec, per_pin); |
| hdmi_pcm_setup_pin(spec, per_pin); |
| } else { |
| hdmi_pcm_reset_pin(spec, per_pin); |
| hdmi_detach_hda_pcm(spec, per_pin); |
| } |
| } |
| /* if pcm_idx == -1, it means this is in monitor connection event |
| * we can get the correct pcm_idx now. |
| */ |
| if (pcm_idx == -1) |
| pcm_idx = per_pin->pcm_idx; |
| |
| if (eld->eld_valid) |
| snd_hdmi_show_eld(codec, &eld->info); |
| |
| eld_changed = (pin_eld->eld_valid != eld->eld_valid); |
| if (eld->eld_valid && pin_eld->eld_valid) |
| if (pin_eld->eld_size != eld->eld_size || |
| memcmp(pin_eld->eld_buffer, eld->eld_buffer, |
| eld->eld_size) != 0) |
| eld_changed = true; |
| |
| pin_eld->monitor_present = eld->monitor_present; |
| pin_eld->eld_valid = eld->eld_valid; |
| pin_eld->eld_size = eld->eld_size; |
| if (eld->eld_valid) |
| memcpy(pin_eld->eld_buffer, eld->eld_buffer, eld->eld_size); |
| pin_eld->info = eld->info; |
| |
| /* |
| * Re-setup pin and infoframe. This is needed e.g. when |
| * - sink is first plugged-in |
| * - 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) { |
| pin_cvt_fixup(codec, per_pin, 0); |
| hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm); |
| } |
| |
| if (eld_changed && pcm_idx >= 0) |
| snd_ctl_notify(codec->card, |
| SNDRV_CTL_EVENT_MASK_VALUE | |
| SNDRV_CTL_EVENT_MASK_INFO, |
| &get_hdmi_pcm(spec, pcm_idx)->eld_ctl->id); |
| } |
| |
| /* update ELD and jack state via HD-audio verbs */ |
| static bool hdmi_present_sense_via_verbs(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; |
| 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 ret; |
| bool do_repoll = false; |
| |
| present = snd_hda_pin_sense(codec, pin_nid); |
| |
| mutex_lock(&per_pin->lock); |
| eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE); |
| if (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, 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 { |
| if (snd_hdmi_parse_eld(codec, &eld->info, eld->eld_buffer, |
| eld->eld_size) < 0) |
| eld->eld_valid = false; |
| } |
| if (!eld->eld_valid && repoll) |
| do_repoll = true; |
| } |
| |
| if (do_repoll) |
| schedule_delayed_work(&per_pin->work, msecs_to_jiffies(300)); |
| else |
| update_eld(codec, per_pin, eld); |
| |
| ret = !repoll || !eld->monitor_present || eld->eld_valid; |
| |
| jack = snd_hda_jack_tbl_get(codec, pin_nid); |
| if (jack) |
| jack->block_report = !ret; |
| |
| mutex_unlock(&per_pin->lock); |
| return ret; |
| } |
| |
| static struct snd_jack *pin_idx_to_jack(struct hda_codec *codec, |
| struct hdmi_spec_per_pin *per_pin) |
| { |
| struct hdmi_spec *spec = codec->spec; |
| struct snd_jack *jack = NULL; |
| struct hda_jack_tbl *jack_tbl; |
| |
| /* if !dyn_pcm_assign, get jack from hda_jack_tbl |
| * in !dyn_pcm_assign case, spec->pcm_rec[].jack is not |
| * NULL even after snd_hda_jack_tbl_clear() is called to |
| * free snd_jack. This may cause access invalid memory |
| * when calling snd_jack_report |
| */ |
| if (per_pin->pcm_idx >= 0 && spec->dyn_pcm_assign) |
| jack = spec->pcm_rec[per_pin->pcm_idx].jack; |
| else if (!spec->dyn_pcm_assign) { |
| jack_tbl = snd_hda_jack_tbl_get(codec, per_pin->pin_nid); |
| if (jack_tbl) |
| jack = jack_tbl->jack; |
| } |
| return jack; |
| } |
| |
| /* update ELD and jack state via audio component */ |
| static void sync_eld_via_acomp(struct hda_codec *codec, |
| struct hdmi_spec_per_pin *per_pin) |
| { |
| struct hdmi_spec *spec = codec->spec; |
| struct hdmi_eld *eld = &spec->temp_eld; |
| struct snd_jack *jack = NULL; |
| int size; |
| |
| mutex_lock(&per_pin->lock); |
| eld->monitor_present = false; |
| size = snd_hdac_acomp_get_eld(&codec->core, per_pin->pin_nid, -1, |
| &eld->monitor_present, eld->eld_buffer, |
| ELD_MAX_SIZE); |
| if (size > 0) { |
| size = min(size, ELD_MAX_SIZE); |
| if (snd_hdmi_parse_eld(codec, &eld->info, |
| eld->eld_buffer, size) < 0) |
| size = -EINVAL; |
| } |
| |
| if (size > 0) { |
| eld->eld_valid = true; |
| eld->eld_size = size; |
| } else { |
| eld->eld_valid = false; |
| eld->eld_size = 0; |
| } |
| |
| /* pcm_idx >=0 before update_eld() means it is in monitor |
| * disconnected event. Jack must be fetched before update_eld() |
| */ |
| jack = pin_idx_to_jack(codec, per_pin); |
| update_eld(codec, per_pin, eld); |
| if (jack == NULL) |
| jack = pin_idx_to_jack(codec, per_pin); |
| if (jack == NULL) |
| goto unlock; |
| snd_jack_report(jack, |
| eld->monitor_present ? SND_JACK_AVOUT : 0); |
| unlock: |
| mutex_unlock(&per_pin->lock); |
| } |
| |
| static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll) |
| { |
| struct hda_codec *codec = per_pin->codec; |
| struct hdmi_spec *spec = codec->spec; |
| int ret; |
| |
| /* no temporary power up/down needed for component notifier */ |
| if (!codec_has_acomp(codec)) |
| snd_hda_power_up_pm(codec); |
| |
| mutex_lock(&spec->pcm_lock); |
| if (codec_has_acomp(codec)) { |
| sync_eld_via_acomp(codec, per_pin); |
| ret = false; /* don't call snd_hda_jack_report_sync() */ |
| } else { |
| ret = hdmi_present_sense_via_verbs(per_pin, repoll); |
| } |
| mutex_unlock(&spec->pcm_lock); |
| |
| if (!codec_has_acomp(codec)) |
| 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; |
| if (spec->dyn_pcm_assign) |
| per_pin->pcm_idx = -1; |
| else { |
| per_pin->pcm = get_hdmi_pcm(spec, pin_idx); |
| per_pin->pcm_idx = pin_idx; |
| } |
| per_pin->pin_nid_idx = pin_idx; |
| |
| 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->chmap.channels_max) |
| spec->chmap.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); |
| /* Add sanity check to pass klockwork check. |
| * This should never happen. |
| */ |
| if (WARN_ON(spdif == NULL)) |
| return true; |
| non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO); |
| mutex_unlock(&codec->spdif_mutex); |
| return non_pcm; |
| } |
| |
| /* |
| * 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; |
| struct hdmi_spec_per_pin *per_pin; |
| hda_nid_t pin_nid; |
| struct snd_pcm_runtime *runtime = substream->runtime; |
| bool non_pcm; |
| int pinctl; |
| int err; |
| |
| mutex_lock(&spec->pcm_lock); |
| pin_idx = hinfo_to_pin_index(codec, hinfo); |
| if (spec->dyn_pcm_assign && pin_idx < 0) { |
| /* when dyn_pcm_assign and pcm is not bound to a pin |
| * skip pin setup and return 0 to make audio playback |
| * be ongoing |
| */ |
| pin_cvt_fixup(codec, NULL, cvt_nid); |
| snd_hda_codec_setup_stream(codec, cvt_nid, |
| stream_tag, 0, format); |
| mutex_unlock(&spec->pcm_lock); |
| return 0; |
| } |
| |
| if (snd_BUG_ON(pin_idx < 0)) { |
| mutex_unlock(&spec->pcm_lock); |
| return -EINVAL; |
| } |
| per_pin = get_pin(spec, pin_idx); |
| pin_nid = per_pin->pin_nid; |
| |
| /* 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. |
| */ |
| pin_cvt_fixup(codec, per_pin, 0); |
| |
| /* Call sync_audio_rate to set the N/CTS/M manually if necessary */ |
| /* Todo: add DP1.2 MST audio support later */ |
| if (codec_has_acomp(codec)) |
| snd_hdac_sync_audio_rate(&codec->core, pin_nid, -1, |
| 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); |
| } |
| |
| err = spec->ops.setup_stream(codec, cvt_nid, pin_nid, |
| stream_tag, format); |
| mutex_unlock(&spec->pcm_lock); |
| return err; |
| } |
| |
| 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, pcm_idx; |
| struct hdmi_spec_per_cvt *per_cvt; |
| struct hdmi_spec_per_pin *per_pin; |
| int pinctl; |
| |
| if (hinfo->nid) { |
| pcm_idx = hinfo_to_pcm_index(codec, hinfo); |
| if (snd_BUG_ON(pcm_idx < 0)) |
| return -EINVAL; |
| 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; |
| |
| mutex_lock(&spec->pcm_lock); |
| snd_hda_spdif_ctls_unassign(codec, pcm_idx); |
| clear_bit(pcm_idx, &spec->pcm_in_use); |
| pin_idx = hinfo_to_pin_index(codec, hinfo); |
| if (spec->dyn_pcm_assign && pin_idx < 0) { |
| mutex_unlock(&spec->pcm_lock); |
| return 0; |
| } |
| |
| if (snd_BUG_ON(pin_idx < 0)) { |
| mutex_unlock(&spec->pcm_lock); |
| 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); |
| } |
| |
| 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); |
| mutex_unlock(&spec->pcm_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, |
| }; |
| |
| static int hdmi_get_spk_alloc(struct hdac_device *hdac, int pcm_idx) |
| { |
| struct hda_codec *codec = container_of(hdac, struct hda_codec, core); |
| struct hdmi_spec *spec = codec->spec; |
| struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx); |
| |
| if (!per_pin) |
| return 0; |
| |
| return per_pin->sink_eld.info.spk_alloc; |
| } |
| |
| static void hdmi_get_chmap(struct hdac_device *hdac, int pcm_idx, |
| unsigned char *chmap) |
| { |
| struct hda_codec *codec = container_of(hdac, struct hda_codec, core); |
| struct hdmi_spec *spec = codec->spec; |
| struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx); |
| |
| /* chmap is already set to 0 in caller */ |
| if (!per_pin) |
| return; |
| |
| memcpy(chmap, per_pin->chmap, ARRAY_SIZE(per_pin->chmap)); |
| } |
| |
| static void hdmi_set_chmap(struct hdac_device *hdac, int pcm_idx, |
| unsigned char *chmap, int prepared) |
| { |
| struct hda_codec *codec = container_of(hdac, struct hda_codec, core); |
| struct hdmi_spec *spec = codec->spec; |
| struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx); |
| |
| if (!per_pin) |
| return; |
| mutex_lock(&per_pin->lock); |
| per_pin->chmap_set = true; |
| memcpy(per_pin->chmap, chmap, ARRAY_SIZE(per_pin->chmap)); |
| if (prepared) |
| hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm); |
| mutex_unlock(&per_pin->lock); |
| } |
| |
| static bool is_hdmi_pcm_attached(struct hdac_device *hdac, int pcm_idx) |
| { |
| struct hda_codec *codec = container_of(hdac, struct hda_codec, core); |
| struct hdmi_spec *spec = codec->spec; |
| struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx); |
| |
| return per_pin ? true:false; |
| } |
| |
| 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].pcm = info; |
| spec->pcm_used++; |
| 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 void free_hdmi_jack_priv(struct snd_jack *jack) |
| { |
| struct hdmi_pcm *pcm = jack->private_data; |
| |
| pcm->jack = NULL; |
| } |
| |
| static int add_hdmi_jack_kctl(struct hda_codec *codec, |
| struct hdmi_spec *spec, |
| int pcm_idx, |
| const char *name) |
| { |
| struct snd_jack *jack; |
| int err; |
| |
| err = snd_jack_new(codec->card, name, SND_JACK_AVOUT, &jack, |
| true, false); |
| if (err < 0) |
| return err; |
| |
| spec->pcm_rec[pcm_idx].jack = jack; |
| jack->private_data = &spec->pcm_rec[pcm_idx]; |
| jack->private_free = free_hdmi_jack_priv; |
| return 0; |
| } |
| |
| static int generic_hdmi_build_jack(struct hda_codec *codec, int pcm_idx) |
| { |
| char hdmi_str[32] = "HDMI/DP"; |
| struct hdmi_spec *spec = codec->spec; |
| struct hdmi_spec_per_pin *per_pin; |
| struct hda_jack_tbl *jack; |
| int pcmdev = get_pcm_rec(spec, pcm_idx)->device; |
| bool phantom_jack; |
| int ret; |
| |
| if (pcmdev > 0) |
| sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev); |
| |
| if (spec->dyn_pcm_assign) |
| return add_hdmi_jack_kctl(codec, spec, pcm_idx, hdmi_str); |
| |
| /* for !dyn_pcm_assign, we still use hda_jack for compatibility */ |
| /* if !dyn_pcm_assign, it must be non-MST mode. |
| * This means pcms and pins are statically mapped. |
| * And pcm_idx is pin_idx. |
| */ |
| per_pin = get_pin(spec, pcm_idx); |
| phantom_jack = !is_jack_detectable(codec, per_pin->pin_nid); |
| if (phantom_jack) |
| strncat(hdmi_str, " Phantom", |
| sizeof(hdmi_str) - strlen(hdmi_str) - 1); |
| ret = snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str, |
| phantom_jack); |
| if (ret < 0) |
| return ret; |
| jack = snd_hda_jack_tbl_get(codec, per_pin->pin_nid); |
| if (jack == NULL) |
| return 0; |
| /* assign jack->jack to pcm_rec[].jack to |
| * align with dyn_pcm_assign mode |
| */ |
| spec->pcm_rec[pcm_idx].jack = jack->jack; |
| return 0; |
| } |
| |
| static int generic_hdmi_build_controls(struct hda_codec *codec) |
| { |
| struct hdmi_spec *spec = codec->spec; |
| int err; |
| int pin_idx, pcm_idx; |
| |
| |
| for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) { |
| err = generic_hdmi_build_jack(codec, pcm_idx); |
| if (err < 0) |
| return err; |
| |
| /* create the spdif for each pcm |
| * pin will be bound when monitor is connected |
| */ |
| if (spec->dyn_pcm_assign) |
| err = snd_hda_create_dig_out_ctls(codec, |
| 0, spec->cvt_nids[0], |
| HDA_PCM_TYPE_HDMI); |
| else { |
| struct hdmi_spec_per_pin *per_pin = |
| get_pin(spec, pcm_idx); |
| 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, pcm_idx); |
| |
| /* add control for ELD Bytes */ |
| err = hdmi_create_eld_ctl(codec, pcm_idx, |
| get_pcm_rec(spec, pcm_idx)->device); |
| if (err < 0) |
| 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); |
| |
| hdmi_present_sense(per_pin, 0); |
| } |
| |
| /* add channel maps */ |
| for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) { |
| struct hda_pcm *pcm; |
| |
| pcm = get_pcm_rec(spec, pcm_idx); |
| if (!pcm || !pcm->pcm) |
| break; |
| err = snd_hdac_add_chmap_ctls(pcm->pcm, pcm_idx, &spec->chmap); |
| if (err < 0) |
| return err; |
| } |
| |
| 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); |
| if (!codec_has_acomp(codec)) |
| 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_spec_free(struct hda_codec *codec) |
| { |
| struct hdmi_spec *spec = codec->spec; |
| |
| if (spec) { |
| if (spec->i915_bound) |
| snd_hdac_i915_exit(&codec->bus->core); |
| hdmi_array_free(spec); |
| kfree(spec); |
| codec->spec = NULL; |
| } |
| codec->dp_mst = false; |
| } |
| |
| static void generic_hdmi_free(struct hda_codec *codec) |
| { |
| struct hdmi_spec *spec = codec->spec; |
| int pin_idx, pcm_idx; |
| |
| if (codec_has_acomp(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); |
| } |
| |
| for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) { |
| if (spec->pcm_rec[pcm_idx].jack == NULL) |
| continue; |
| if (spec->dyn_pcm_assign) |
| snd_device_free(codec->card, |
| spec->pcm_rec[pcm_idx].jack); |
| else |
| spec->pcm_rec[pcm_idx].jack = NULL; |
| } |
| |
| generic_spec_free(codec); |
| } |
| |
| #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_setup_infoframe = hdmi_pin_setup_infoframe, |
| .pin_hbr_setup = hdmi_pin_hbr_setup, |
| .setup_stream = hdmi_setup_stream, |
| }; |
| |
| /* allocate codec->spec and assign/initialize generic parser ops */ |
| static int alloc_generic_hdmi(struct hda_codec *codec) |
| { |
| struct hdmi_spec *spec; |
| |
| spec = kzalloc(sizeof(*spec), GFP_KERNEL); |
| if (!spec) |
| return -ENOMEM; |
| |
| spec->ops = generic_standard_hdmi_ops; |
| mutex_init(&spec->pcm_lock); |
| snd_hdac_register_chmap_ops(&codec->core, &spec->chmap); |
| |
| spec->chmap.ops.get_chmap = hdmi_get_chmap; |
| spec->chmap.ops.set_chmap = hdmi_set_chmap; |
| spec->chmap.ops.is_pcm_attached = is_hdmi_pcm_attached; |
| spec->chmap.ops.get_spk_alloc = hdmi_get_spk_alloc, |
| |
| codec->spec = spec; |
| hdmi_array_init(spec, 4); |
| |
| codec->patch_ops = generic_hdmi_patch_ops; |
| |
| return 0; |
| } |
| |
| /* generic HDMI parser */ |
| static int patch_generic_hdmi(struct hda_codec *codec) |
| { |
| int err; |
| |
| err = alloc_generic_hdmi(codec); |
| if (err < 0) |
| return err; |
| |
| err = hdmi_parse_codec(codec); |
| if (err < 0) { |
| generic_spec_free(codec); |
| return err; |
| } |
| |
| generic_hdmi_init_per_pins(codec); |
| return 0; |
| } |
| |
| /* |
| * Intel codec parsers and helpers |
| */ |
| |
| 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, int pipe) |
| { |
| struct hda_codec *codec = audio_ptr; |
| int pin_nid; |
| |
| /* we assume only from port-B to port-D */ |
| if (port < 1 || port > 3) |
| return; |
| |
| switch (codec->core.vendor_id) { |
| case 0x80860054: /* ILK */ |
| case 0x80862804: /* ILK */ |
| case 0x80862882: /* VLV */ |
| pin_nid = port + 0x03; |
| break; |
| default: |
| pin_nid = port + 0x04; |
| break; |
| } |
| |
| /* 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; |
| /* ditto during suspend/resume process itself */ |
| if (atomic_read(&(codec)->core.in_pm)) |
| return; |
| |
| snd_hdac_i915_set_bclk(&codec->bus->core); |
| check_presence_and_report(codec, pin_nid); |
| } |
| |
| /* register i915 component pin_eld_notify callback */ |
| static void register_i915_notifier(struct hda_codec *codec) |
| { |
| struct hdmi_spec *spec = codec->spec; |
| |
| spec->use_acomp_notifier = true; |
| spec->i915_audio_ops.audio_ptr = codec; |
| /* intel_audio_codec_enable() or intel_audio_codec_disable() |
| * will call pin_eld_notify with using audio_ptr pointer |
| * We need make sure audio_ptr is really setup |
| */ |
| wmb(); |
| spec->i915_audio_ops.pin_eld_notify = intel_pin_eld_notify; |
| snd_hdac_i915_register_notifier(&spec->i915_audio_ops); |
| } |
| |
| /* setup_stream ops override for HSW+ */ |
| static int i915_hsw_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid, |
| hda_nid_t pin_nid, u32 stream_tag, int format) |
| { |
| haswell_verify_D0(codec, cvt_nid, pin_nid); |
| return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format); |
| } |
| |
| /* pin_cvt_fixup ops override for HSW+ and VLV+ */ |
| static void i915_pin_cvt_fixup(struct hda_codec *codec, |
| struct hdmi_spec_per_pin *per_pin, |
| hda_nid_t cvt_nid) |
| { |
| if (per_pin) { |
| intel_verify_pin_cvt_connect(codec, per_pin); |
| intel_not_share_assigned_cvt(codec, per_pin->pin_nid, |
| per_pin->mux_idx); |
| } else { |
| intel_not_share_assigned_cvt_nid(codec, 0, cvt_nid); |
| } |
| } |
| |
| /* Intel Haswell and onwards; audio component with eld notifier */ |
| static int patch_i915_hsw_hdmi(struct hda_codec *codec) |
| { |
| struct hdmi_spec *spec; |
| int err; |
| |
| /* HSW+ requires i915 binding */ |
| if (!codec->bus->core.audio_component) { |
| codec_info(codec, "No i915 binding for Intel HDMI/DP codec\n"); |
| return -ENODEV; |
| } |
| |
| err = alloc_generic_hdmi(codec); |
| if (err < 0) |
| return err; |
| spec = codec->spec; |
| |
| intel_haswell_enable_all_pins(codec, true); |
| intel_haswell_fixup_enable_dp12(codec); |
| |
| /* 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. |
| */ |
| if (!is_haswell(codec) && !is_broadwell(codec)) |
| codec->core.link_power_control = 1; |
| |
| codec->patch_ops.set_power_state = haswell_set_power_state; |
| codec->dp_mst = true; |
| codec->depop_delay = 0; |
| codec->auto_runtime_pm = 1; |
| |
| spec->ops.setup_stream = i915_hsw_setup_stream; |
| spec->ops.pin_cvt_fixup = i915_pin_cvt_fixup; |
| |
| err = hdmi_parse_codec(codec); |
| if (err < 0) { |
| generic_spec_free(codec); |
| return err; |
| } |
| |
| generic_hdmi_init_per_pins(codec); |
| register_i915_notifier(codec); |
| return 0; |
| } |
| |
| /* Intel Baytrail and Braswell; with eld notifier */ |
| static int patch_i915_byt_hdmi(struct hda_codec *codec) |
| { |
| struct hdmi_spec *spec; |
| int err; |
| |
| /* requires i915 binding */ |
| if (!codec->bus->core.audio_component) { |
| codec_info(codec, "No i915 binding for Intel HDMI/DP codec\n"); |
| return -ENODEV; |
| } |
| |
| err = alloc_generic_hdmi(codec); |
| if (err < 0) |
| return err; |
| spec = codec->spec; |
| |
| /* For Valleyview/Cherryview, only the display codec is in the display |
| * power well and can use link_power ops to request/release the power. |
| */ |
| codec->core.link_power_control = 1; |
| |
| codec->depop_delay = 0; |
| codec->auto_runtime_pm = 1; |
| |
| spec->ops.pin_cvt_fixup = i915_pin_cvt_fixup; |
| |
| err = hdmi_parse_codec(codec); |
| if (err < 0) { |
| generic_spec_free(codec); |
| return err; |
| } |
| |
| generic_hdmi_init_per_pins(codec); |
| register_i915_notifier(codec); |
| return 0; |
| } |
| |
| /* Intel IronLake, SandyBridge and IvyBridge; with eld notifier */ |
| static int patch_i915_cpt_hdmi(struct hda_codec *codec) |
| { |
| struct hdmi_spec *spec; |
| int err; |
| |
| /* no i915 component should have been bound before this */ |
| if (WARN_ON(codec->bus->core.audio_component)) |
| return -EBUSY; |
| |
| err = alloc_generic_hdmi(codec); |
| if (err < 0) |
| return err; |
| spec = codec->spec; |
| |
| /* Try to bind with i915 now */ |
| err = snd_hdac_i915_init(&codec->bus->core); |
| if (err < 0) |
| goto error; |
| spec->i915_bound = true; |
| |
| err = hdmi_parse_codec(codec); |
| if (err < 0) |
| goto error; |
| |
| generic_hdmi_init_per_pins(codec); |
| register_i915_notifier(codec); |
| return 0; |
| |
| error: |
| generic_spec_free(codec); |
| return err; |
| } |
| |
| /* |
| * 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].pcm = 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 hdac_chmap *chmap, |
| struct hdac_cea_channel_speaker_allocation *cap, int channels) |
| { |
| if (cap->ca_index == 0x00 && channels == 2) |
| return SNDRV_CTL_TLVT_CHMAP_FIXED; |
| |
| /* If the speaker allocation matches the channel count, it is OK. */ |
| if (cap->channels != channels) |
| return -1; |
| |
| /* all channels are remappable freely */ |
| return SNDRV_CTL_TLVT_CHMAP_VAR; |
| } |
| |
| static int nvhdmi_chmap_validate(struct hdac_chmap *chmap, |
| int ca, int chs, unsigned char *map) |
| { |
| if (ca == 0x00 && (map[0] != SNDRV_CHMAP_FL || map[1] != SNDRV_CHMAP_FR)) |
| return -EINVAL; |
| |
| return 0; |
| } |
| |
| 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->chmap.ops.chmap_cea_alloc_validate_get_type = |
| nvhdmi_chmap_cea_alloc_validate_get_type; |
| spec->chmap.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(struct hdac_chmap *chmap, |
| int ca, int chs, unsigned char *map) |
| { |
| struct hdac_cea_channel_speaker_allocation *cap; |
| int i, j; |
| |
| /* check that only channel pairs need to be remapped on old pre-rev3 ATI/AMD */ |
| |
| cap = snd_hdac_get_ch_alloc_from_ca(ca); |
| for (i = 0; i < chs; ++i) { |
| int mask = snd_hdac_chmap_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 = snd_hdac_chmap_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 hdac_device *hdac, |
| hda_nid_t pin_nid, int hdmi_slot, int stream_channel) |
| { |
| struct hda_codec *codec = container_of(hdac, struct hda_codec, core); |
| 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 hdac_device *hdac, |
| hda_nid_t pin_nid, int asp_slot) |
| { |
| struct hda_codec *codec = container_of(hdac, struct hda_codec, core); |
| 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 hdac_chmap *chmap, |
| struct hdac_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 hdac_chmap *hchmap, |
| struct hdac_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++] = snd_hdac_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_setup_infoframe = atihdmi_pin_setup_infoframe; |
| spec->ops.pin_hbr_setup = atihdmi_pin_hbr_setup; |
| spec->ops.setup_stream = atihdmi_setup_stream; |
| |
| spec->chmap.ops.pin_get_slot_channel = atihdmi_pin_get_slot_channel; |
| spec->chmap.ops.pin_set_slot_channel = atihdmi_pin_set_slot_channel; |
| |
| if (!has_amd_full_remap_support(codec)) { |
| /* override to ATI/AMD-specific versions with pairwise mapping */ |
| spec->chmap.ops.chmap_cea_alloc_validate_get_type = |
| atihdmi_paired_chmap_cea_alloc_validate_get_type; |
| spec->chmap.ops.cea_alloc_to_tlv_chmap = |
| atihdmi_paired_cea_alloc_to_tlv_chmap; |
| spec->chmap.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->chmap.channels_max = max(spec->chmap.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(0x10de0082, "GPU 82 HDMI/DP", patch_nvhdmi), |
| HDA_CODEC_ENTRY(0x10de0083, "GPU 83 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_i915_cpt_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_i915_cpt_hdmi), |
| HDA_CODEC_ENTRY(0x80862805, "CougarPoint HDMI", patch_i915_cpt_hdmi), |
| HDA_CODEC_ENTRY(0x80862806, "PantherPoint HDMI", patch_i915_cpt_hdmi), |
| HDA_CODEC_ENTRY(0x80862807, "Haswell HDMI", patch_i915_hsw_hdmi), |
| HDA_CODEC_ENTRY(0x80862808, "Broadwell HDMI", patch_i915_hsw_hdmi), |
| HDA_CODEC_ENTRY(0x80862809, "Skylake HDMI", patch_i915_hsw_hdmi), |
| HDA_CODEC_ENTRY(0x8086280a, "Broxton HDMI", patch_i915_hsw_hdmi), |
| HDA_CODEC_ENTRY(0x8086280b, "Kabylake HDMI", patch_i915_hsw_hdmi), |
| HDA_CODEC_ENTRY(0x80862880, "CedarTrail HDMI", patch_generic_hdmi), |
| HDA_CODEC_ENTRY(0x80862882, "Valleyview2 HDMI", patch_i915_byt_hdmi), |
| HDA_CODEC_ENTRY(0x80862883, "Braswell HDMI", patch_i915_byt_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); |