| // SPDX-License-Identifier: GPL-2.0-or-later |
| /* |
| * |
| * 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> |
| */ |
| |
| #include <linux/init.h> |
| #include <linux/delay.h> |
| #include <linux/pci.h> |
| #include <linux/slab.h> |
| #include <linux/module.h> |
| #include <linux/pm_runtime.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 <sound/hda_codec.h> |
| #include "hda_local.h" |
| #include "hda_jack.h" |
| #include "hda_controller.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"); |
| |
| struct hdmi_spec_per_cvt { |
| hda_nid_t cvt_nid; |
| int assigned; |
| unsigned int channels_min; |
| unsigned int channels_max; |
| u32 rates; |
| u64 formats; |
| unsigned int maxbps; |
| }; |
| |
| /* max. connections to a widget */ |
| #define HDA_MAX_CONNECTIONS 32 |
| |
| struct hdmi_spec_per_pin { |
| hda_nid_t pin_nid; |
| int dev_id; |
| /* 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, |
| int dev_id, unsigned char *buf, int *eld_size); |
| |
| void (*pin_setup_infoframe)(struct hda_codec *codec, hda_nid_t pin_nid, |
| int dev_id, |
| 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, |
| int dev_id, bool hbr); |
| |
| int (*setup_stream)(struct hda_codec *codec, hda_nid_t cvt_nid, |
| hda_nid_t pin_nid, int dev_id, 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 { |
| struct hda_codec *codec; |
| int num_cvts; |
| struct snd_array cvts; /* struct hdmi_spec_per_cvt */ |
| hda_nid_t cvt_nids[4]; /* only for haswell fix */ |
| |
| /* |
| * num_pins is the number of virtual pins |
| * for example, there are 3 pins, and each pin |
| * has 4 device entries, then the num_pins is 12 |
| */ |
| int num_pins; |
| /* |
| * num_nids is the number of real pins |
| * In the above example, num_nids is 3 |
| */ |
| int num_nids; |
| /* |
| * dev_num is the number of device entries |
| * on each pin. |
| * In the above example, dev_num is 4 |
| */ |
| int dev_num; |
| struct snd_array pins; /* struct hdmi_spec_per_pin */ |
| struct hdmi_pcm pcm_rec[16]; |
| struct mutex pcm_lock; |
| struct mutex bind_lock; /* for audio component binding */ |
| /* 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; |
| bool intel_hsw_fixup; /* apply Intel platform-specific fixups */ |
| /* |
| * Non-generic VIA/NVIDIA specific |
| */ |
| struct hda_multi_out multiout; |
| struct hda_pcm_stream pcm_playback; |
| |
| bool use_acomp_notifier; /* use eld_notify callback for hotplug */ |
| bool acomp_registered; /* audio component registered in this driver */ |
| struct drm_audio_component_audio_ops drm_audio_ops; |
| int (*port2pin)(struct hda_codec *, int); /* reverse port/pin mapping */ |
| |
| struct hdac_chmap chmap; |
| hda_nid_t vendor_nid; |
| const int *port_map; |
| int port_num; |
| }; |
| |
| #ifdef CONFIG_SND_HDA_COMPONENT |
| 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_id_to_pin_index(struct hda_codec *codec, |
| hda_nid_t pin_nid, int dev_id) |
| { |
| struct hdmi_spec *spec = codec->spec; |
| int pin_idx; |
| struct hdmi_spec_per_pin *per_pin; |
| |
| /* |
| * (dev_id == -1) means it is NON-MST pin |
| * return the first virtual pin on this port |
| */ |
| if (dev_id == -1) |
| dev_id = 0; |
| |
| for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { |
| per_pin = get_pin(spec, pin_idx); |
| if ((per_pin->pin_nid == pin_nid) && |
| (per_pin->dev_id == dev_id)) |
| 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; |
| goto unlock; |
| } |
| eld = &per_pin->sink_eld; |
| uinfo->count = eld->eld_valid ? eld->eld_size : 0; |
| |
| unlock: |
| 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; |
| int err = 0; |
| |
| 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)); |
| goto unlock; |
| } |
| |
| eld = &per_pin->sink_eld; |
| if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data) || |
| eld->eld_size > ELD_MAX_SIZE) { |
| snd_BUG(); |
| err = -EINVAL; |
| goto unlock; |
| } |
| |
| 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); |
| |
| unlock: |
| mutex_unlock(&spec->pcm_lock); |
| return err; |
| } |
| |
| static const struct snd_kcontrol_new eld_bytes_ctl = { |
| .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE | |
| SNDRV_CTL_ELEM_ACCESS_SKIP_CHECK, |
| .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 |= 0200; |
| 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 int hdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid, |
| int dev_id, unsigned char *buf, int *eld_size) |
| { |
| snd_hda_set_dev_select(codec, nid, dev_id); |
| |
| return snd_hdmi_get_eld(codec, nid, buf, eld_size); |
| } |
| |
| static void hdmi_pin_setup_infoframe(struct hda_codec *codec, |
| hda_nid_t pin_nid, int dev_id, |
| 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; |
| } |
| |
| snd_hda_set_dev_select(codec, pin_nid, dev_id); |
| |
| /* |
| * 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 dev_id = per_pin->dev_id; |
| int channels = per_pin->channels; |
| int active_channels; |
| struct hdmi_eld *eld; |
| int ca; |
| |
| if (!channels) |
| return; |
| |
| snd_hda_set_dev_select(codec, pin_nid, dev_id); |
| |
| /* 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, dev_id, |
| ca, active_channels, eld->info.conn_type); |
| |
| per_pin->non_pcm = non_pcm; |
| } |
| |
| /* |
| * Unsolicited events |
| */ |
| |
| static void 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, |
| int dev_id) |
| { |
| struct hdmi_spec *spec = codec->spec; |
| int pin_idx = pin_id_to_pin_index(codec, nid, dev_id); |
| |
| if (pin_idx < 0) |
| return; |
| mutex_lock(&spec->pcm_lock); |
| hdmi_present_sense(get_pin(spec, pin_idx), 1); |
| mutex_unlock(&spec->pcm_lock); |
| } |
| |
| static void jack_callback(struct hda_codec *codec, |
| struct hda_jack_callback *jack) |
| { |
| /* stop polling when notification is enabled */ |
| if (codec_has_acomp(codec)) |
| return; |
| |
| check_presence_and_report(codec, jack->nid, jack->dev_id); |
| } |
| |
| static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res, |
| struct hda_jack_tbl *jack) |
| { |
| 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, jack->dev_id, !!(res & AC_UNSOL_RES_IA), |
| !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV)); |
| |
| check_presence_and_report(codec, jack->nid, jack->dev_id); |
| } |
| |
| 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; |
| struct hda_jack_tbl *jack; |
| |
| if (codec_has_acomp(codec)) |
| return; |
| |
| if (codec->dp_mst) { |
| int dev_entry = |
| (res & AC_UNSOL_RES_DE) >> AC_UNSOL_RES_DE_SHIFT; |
| |
| jack = snd_hda_jack_tbl_get_from_tag(codec, tag, dev_entry); |
| } else { |
| jack = snd_hda_jack_tbl_get_from_tag(codec, tag, 0); |
| } |
| |
| if (!jack) { |
| codec_dbg(codec, "Unexpected HDMI event tag 0x%x\n", tag); |
| return; |
| } |
| |
| if (subtag == 0) |
| hdmi_intrinsic_event(codec, res, jack); |
| 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, |
| int dev_id, bool hbr) |
| { |
| int pinctl, new_pinctl; |
| |
| if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) { |
| snd_hda_set_dev_select(codec, pin_nid, dev_id); |
| 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, int dev_id, |
| u32 stream_tag, int format) |
| { |
| struct hdmi_spec *spec = codec->spec; |
| unsigned int param; |
| int err; |
| |
| err = spec->ops.pin_hbr_setup(codec, pin_nid, dev_id, |
| is_hbr_format(format)); |
| |
| if (err) { |
| codec_dbg(codec, "hdmi_setup_stream: HBR is not supported\n"); |
| return err; |
| } |
| |
| if (spec->intel_hsw_fixup) { |
| |
| /* |
| * on recent platforms IEC Coding Type is required for HBR |
| * support, read current Digital Converter settings and set |
| * ICT bitfield if needed. |
| */ |
| param = snd_hda_codec_read(codec, cvt_nid, 0, |
| AC_VERB_GET_DIGI_CONVERT_1, 0); |
| |
| param = (param >> 16) & ~(AC_DIG3_ICT); |
| |
| /* on recent platforms ICT mode is required for HBR support */ |
| if (is_hbr_format(format)) |
| param |= 0x1; |
| |
| snd_hda_codec_write(codec, cvt_nid, 0, |
| AC_VERB_SET_DIGI_CONVERT_3, param); |
| } |
| |
| 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 dev_id, int mux_idx) |
| { |
| struct hdmi_spec *spec = codec->spec; |
| hda_nid_t nid; |
| int cvt_idx, curr; |
| struct hdmi_spec_per_cvt *per_cvt; |
| struct hdmi_spec_per_pin *per_pin; |
| int pin_idx; |
| |
| /* configure the pins connections */ |
| for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { |
| int dev_id_saved; |
| int dev_num; |
| |
| per_pin = get_pin(spec, pin_idx); |
| /* |
| * pin not connected to monitor |
| * no need to operate on it |
| */ |
| if (!per_pin->pcm) |
| continue; |
| |
| if ((per_pin->pin_nid == pin_nid) && |
| (per_pin->dev_id == dev_id)) |
| continue; |
| |
| /* |
| * if per_pin->dev_id >= dev_num, |
| * snd_hda_get_dev_select() will fail, |
| * and the following operation is unpredictable. |
| * So skip this situation. |
| */ |
| dev_num = snd_hda_get_num_devices(codec, per_pin->pin_nid) + 1; |
| if (per_pin->dev_id >= dev_num) |
| continue; |
| |
| nid = per_pin->pin_nid; |
| |
| /* |
| * Calling this function should not impact |
| * on the device entry selection |
| * So let's save the dev id for each pin, |
| * and restore it when return |
| */ |
| dev_id_saved = snd_hda_get_dev_select(codec, nid); |
| snd_hda_set_dev_select(codec, nid, per_pin->dev_id); |
| curr = snd_hda_codec_read(codec, nid, 0, |
| AC_VERB_GET_CONNECT_SEL, 0); |
| if (curr != mux_idx) { |
| snd_hda_set_dev_select(codec, nid, dev_id_saved); |
| 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; |
| } |
| } |
| snd_hda_set_dev_select(codec, nid, dev_id_saved); |
| } |
| } |
| |
| /* 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, int dev_id, 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, dev_id, 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)) { |
| err = -EINVAL; |
| goto unlock; |
| } |
| } 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); |
| goto unlock; |
| } |
| } |
| |
| err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx); |
| if (err < 0) |
| goto unlock; |
| |
| 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; |
| |
| /* flip stripe flag for the assigned stream if supported */ |
| if (get_wcaps(codec, per_cvt->cvt_nid) & AC_WCAP_STRIPE) |
| azx_stream(get_azx_dev(substream))->stripe = 1; |
| |
| snd_hda_set_dev_select(codec, per_pin->pin_nid, per_pin->dev_id); |
| 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); |
| err = -ENODEV; |
| goto unlock; |
| } |
| } |
| |
| /* 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); |
| unlock: |
| mutex_unlock(&spec->pcm_lock); |
| return err; |
| } |
| |
| /* |
| * 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; |
| int dev_id = per_pin->dev_id; |
| int conns; |
| |
| 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; |
| } |
| |
| snd_hda_set_dev_select(codec, pin_nid, dev_id); |
| |
| if (spec->intel_hsw_fixup) { |
| conns = spec->num_cvts; |
| memcpy(per_pin->mux_nids, spec->cvt_nids, |
| sizeof(hda_nid_t) * conns); |
| } else { |
| conns = snd_hda_get_raw_connections(codec, pin_nid, |
| per_pin->mux_nids, |
| HDA_MAX_CONNECTIONS); |
| } |
| |
| /* all the device entries on the same pin have the same conn list */ |
| per_pin->num_mux_nids = conns; |
| |
| return 0; |
| } |
| |
| static int hdmi_find_pcm_slot(struct hdmi_spec *spec, |
| struct hdmi_spec_per_pin *per_pin) |
| { |
| int i; |
| |
| /* |
| * generic_hdmi_build_pcms() may allocate extra PCMs on some |
| * platforms (with maximum of 'num_nids + dev_num - 1') |
| * |
| * The per_pin of pin_nid_idx=n and dev_id=m prefers to get pcm-n |
| * if m==0. This guarantees that dynamic pcm assignments are compatible |
| * with the legacy static per_pin-pcm assignment that existed in the |
| * days before DP-MST. |
| * |
| * Intel DP-MST prefers this legacy behavior for compatibility, too. |
| * |
| * per_pin of m!=0 prefers to get pcm=(num_nids + (m - 1)). |
| */ |
| |
| if (per_pin->dev_id == 0 || spec->intel_hsw_fixup) { |
| if (!test_bit(per_pin->pin_nid_idx, &spec->pcm_bitmap)) |
| return per_pin->pin_nid_idx; |
| } else { |
| i = spec->num_nids + (per_pin->dev_id - 1); |
| if (i < spec->pcm_used && !(test_bit(i, &spec->pcm_bitmap))) |
| return i; |
| } |
| |
| /* have a second try; check the area over num_nids */ |
| for (i = spec->num_nids; 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_nids; 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 (!pcm->pcm) |
| 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_set_dev_select(codec, per_pin->pin_nid, |
| per_pin->dev_id); |
| 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; |
| } |
| |
| static struct snd_jack *pin_idx_to_pcm_jack(struct hda_codec *codec, |
| struct hdmi_spec_per_pin *per_pin) |
| { |
| struct hdmi_spec *spec = codec->spec; |
| |
| if (per_pin->pcm_idx >= 0) |
| return spec->pcm_rec[per_pin->pcm_idx].jack; |
| else |
| return NULL; |
| } |
| |
| /* update per_pin ELD from the given new ELD; |
| * setup info frame and notification accordingly |
| * also notify ELD kctl and report jack status changes |
| */ |
| static void update_eld(struct hda_codec *codec, |
| struct hdmi_spec_per_pin *per_pin, |
| struct hdmi_eld *eld, |
| int repoll) |
| { |
| struct hdmi_eld *pin_eld = &per_pin->sink_eld; |
| struct hdmi_spec *spec = codec->spec; |
| struct snd_jack *pcm_jack; |
| bool old_eld_valid = pin_eld->eld_valid; |
| bool eld_changed; |
| int pcm_idx; |
| |
| if (eld->eld_valid) { |
| if (eld->eld_size <= 0 || |
| snd_hdmi_parse_eld(codec, &eld->info, eld->eld_buffer, |
| eld->eld_size) < 0) { |
| eld->eld_valid = false; |
| if (repoll) { |
| schedule_delayed_work(&per_pin->work, |
| msecs_to_jiffies(300)); |
| return; |
| } |
| } |
| } |
| |
| if (!eld->eld_valid || eld->eld_size <= 0) { |
| eld->eld_valid = false; |
| eld->eld_size = 0; |
| } |
| |
| /* for monitor disconnection, save pcm_idx firstly */ |
| pcm_idx = per_pin->pcm_idx; |
| |
| /* |
| * pcm_idx >=0 before update_eld() means it is in monitor |
| * disconnected event. Jack must be fetched before update_eld(). |
| */ |
| pcm_jack = pin_idx_to_pcm_jack(codec, per_pin); |
| |
| 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 (!pcm_jack) |
| pcm_jack = pin_idx_to_pcm_jack(codec, per_pin); |
| |
| if (eld->eld_valid) |
| snd_hdmi_show_eld(codec, &eld->info); |
| |
| eld_changed = (pin_eld->eld_valid != eld->eld_valid); |
| eld_changed |= (pin_eld->monitor_present != eld->monitor_present); |
| if (!eld_changed && 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; |
| |
| if (eld_changed) { |
| 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); |
| |
| if (eld_changed && pcm_jack) |
| snd_jack_report(pcm_jack, |
| (eld->monitor_present && eld->eld_valid) ? |
| SND_JACK_AVOUT : 0); |
| } |
| |
| /* update ELD and jack state via HD-audio verbs */ |
| static void hdmi_present_sense_via_verbs(struct hdmi_spec_per_pin *per_pin, |
| int repoll) |
| { |
| 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; |
| int dev_id = per_pin->dev_id; |
| /* |
| * 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; |
| int ret; |
| |
| ret = snd_hda_power_up_pm(codec); |
| if (ret < 0 && pm_runtime_suspended(hda_codec_dev(codec))) |
| goto out; |
| |
| present = snd_hda_jack_pin_sense(codec, pin_nid, dev_id); |
| |
| 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, dev_id, |
| eld->eld_buffer, &eld->eld_size) < 0) |
| eld->eld_valid = false; |
| } |
| |
| update_eld(codec, per_pin, eld, repoll); |
| mutex_unlock(&per_pin->lock); |
| out: |
| snd_hda_power_down_pm(codec); |
| } |
| |
| /* 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; |
| |
| mutex_lock(&per_pin->lock); |
| eld->monitor_present = false; |
| eld->eld_size = snd_hdac_acomp_get_eld(&codec->core, per_pin->pin_nid, |
| per_pin->dev_id, &eld->monitor_present, |
| eld->eld_buffer, ELD_MAX_SIZE); |
| eld->eld_valid = (eld->eld_size > 0); |
| update_eld(codec, per_pin, eld, 0); |
| mutex_unlock(&per_pin->lock); |
| } |
| |
| static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll) |
| { |
| struct hda_codec *codec = per_pin->codec; |
| |
| if (!codec_has_acomp(codec)) |
| hdmi_present_sense_via_verbs(per_pin, repoll); |
| else |
| sync_eld_via_acomp(codec, per_pin); |
| } |
| |
| 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); |
| struct hda_codec *codec = per_pin->codec; |
| struct hdmi_spec *spec = codec->spec; |
| struct hda_jack_tbl *jack; |
| |
| jack = snd_hda_jack_tbl_get_mst(codec, per_pin->pin_nid, |
| per_pin->dev_id); |
| if (jack) |
| jack->jack_dirty = 1; |
| |
| if (per_pin->repoll_count++ > 6) |
| per_pin->repoll_count = 0; |
| |
| mutex_lock(&spec->pcm_lock); |
| hdmi_present_sense(per_pin, per_pin->repoll_count); |
| mutex_unlock(&spec->pcm_lock); |
| } |
| |
| 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; |
| int dev_num, i; |
| |
| caps = snd_hda_query_pin_caps(codec, pin_nid); |
| if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP))) |
| return 0; |
| |
| /* |
| * For DP MST audio, Configuration Default is the same for |
| * all device entries on the same pin |
| */ |
| config = snd_hda_codec_get_pincfg(codec, pin_nid); |
| if (get_defcfg_connect(config) == AC_JACK_PORT_NONE) |
| return 0; |
| |
| /* |
| * To simplify the implementation, malloc all |
| * the virtual pins in the initialization statically |
| */ |
| if (spec->intel_hsw_fixup) { |
| /* |
| * On Intel platforms, device entries number is |
| * changed dynamically. If there is a DP MST |
| * hub connected, the device entries number is 3. |
| * Otherwise, it is 1. |
| * Here we manually set dev_num to 3, so that |
| * we can initialize all the device entries when |
| * bootup statically. |
| */ |
| dev_num = 3; |
| spec->dev_num = 3; |
| } else if (spec->dyn_pcm_assign && codec->dp_mst) { |
| dev_num = snd_hda_get_num_devices(codec, pin_nid) + 1; |
| /* |
| * spec->dev_num is the maxinum number of device entries |
| * among all the pins |
| */ |
| spec->dev_num = (spec->dev_num > dev_num) ? |
| spec->dev_num : dev_num; |
| } else { |
| /* |
| * If the platform doesn't support DP MST, |
| * manually set dev_num to 1. This means |
| * the pin has only one device entry. |
| */ |
| dev_num = 1; |
| spec->dev_num = 1; |
| } |
| |
| for (i = 0; i < dev_num; i++) { |
| pin_idx = spec->num_pins; |
| per_pin = snd_array_new(&spec->pins); |
| |
| if (!per_pin) |
| return -ENOMEM; |
| |
| if (spec->dyn_pcm_assign) { |
| per_pin->pcm = NULL; |
| 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 = pin_nid; |
| per_pin->pin_nid_idx = spec->num_nids; |
| per_pin->dev_id = i; |
| per_pin->non_pcm = false; |
| snd_hda_set_dev_select(codec, pin_nid, i); |
| err = hdmi_read_pin_conn(codec, pin_idx); |
| if (err < 0) |
| return err; |
| spec->num_pins++; |
| } |
| spec->num_nids++; |
| |
| 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; |
| struct snd_pcm_runtime *runtime = substream->runtime; |
| bool non_pcm; |
| int pinctl, stripe; |
| int err = 0; |
| |
| 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); |
| goto unlock; |
| } |
| |
| if (snd_BUG_ON(pin_idx < 0)) { |
| err = -EINVAL; |
| goto unlock; |
| } |
| per_pin = get_pin(spec, pin_idx); |
| |
| /* 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, per_pin->pin_nid, |
| per_pin->dev_id, 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; |
| |
| if (get_wcaps(codec, cvt_nid) & AC_WCAP_STRIPE) { |
| stripe = snd_hdac_get_stream_stripe_ctl(&codec->bus->core, |
| substream); |
| snd_hda_codec_write(codec, cvt_nid, 0, |
| AC_VERB_SET_STRIPE_CONTROL, |
| stripe); |
| } |
| |
| hdmi_setup_audio_infoframe(codec, per_pin, non_pcm); |
| mutex_unlock(&per_pin->lock); |
| if (spec->dyn_pin_out) { |
| snd_hda_set_dev_select(codec, per_pin->pin_nid, |
| per_pin->dev_id); |
| pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0, |
| AC_VERB_GET_PIN_WIDGET_CONTROL, 0); |
| snd_hda_codec_write(codec, per_pin->pin_nid, 0, |
| AC_VERB_SET_PIN_WIDGET_CONTROL, |
| pinctl | PIN_OUT); |
| } |
| |
| /* snd_hda_set_dev_select() has been called before */ |
| err = spec->ops.setup_stream(codec, cvt_nid, per_pin->pin_nid, |
| per_pin->dev_id, stream_tag, format); |
| unlock: |
| 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; |
| int err = 0; |
| |
| 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; |
| |
| azx_stream(get_azx_dev(substream))->stripe = 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) |
| goto unlock; |
| |
| if (snd_BUG_ON(pin_idx < 0)) { |
| err = -EINVAL; |
| goto unlock; |
| } |
| per_pin = get_pin(spec, pin_idx); |
| |
| if (spec->dyn_pin_out) { |
| snd_hda_set_dev_select(codec, per_pin->pin_nid, |
| per_pin->dev_id); |
| 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); |
| unlock: |
| mutex_unlock(&spec->pcm_lock); |
| } |
| |
| return err; |
| } |
| |
| 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 idx, pcm_num; |
| |
| /* |
| * for non-mst mode, pcm number is the same as before |
| * for DP MST mode without extra PCM, pcm number is same |
| * for DP MST mode with extra PCMs, pcm number is |
| * (nid number + dev_num - 1) |
| * dev_num is the device entry number in a pin |
| */ |
| |
| if (codec->mst_no_extra_pcms) |
| pcm_num = spec->num_nids; |
| else |
| pcm_num = spec->num_nids + spec->dev_num - 1; |
| |
| codec_dbg(codec, "hdmi: pcm_num set to %d\n", pcm_num); |
| |
| for (idx = 0; idx < pcm_num; idx++) { |
| struct hda_pcm *info; |
| struct hda_pcm_stream *pstr; |
| |
| info = snd_hda_codec_pcm_new(codec, "HDMI %d", idx); |
| if (!info) |
| return -ENOMEM; |
| |
| spec->pcm_rec[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; |
| /* pcm number is less than 16 */ |
| if (spec->pcm_used >= 16) |
| break; |
| /* 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 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 = get_pin(spec, pcm_idx); |
| struct snd_jack *jack; |
| int pcmdev = get_pcm_rec(spec, pcm_idx)->device; |
| int err; |
| |
| if (pcmdev > 0) |
| sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev); |
| if (!spec->dyn_pcm_assign && |
| !is_jack_detectable(codec, per_pin->pin_nid)) |
| strncat(hdmi_str, " Phantom", |
| sizeof(hdmi_str) - strlen(hdmi_str) - 1); |
| |
| err = snd_jack_new(codec->card, hdmi_str, 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_controls(struct hda_codec *codec) |
| { |
| struct hdmi_spec *spec = codec->spec; |
| int dev, err; |
| int pin_idx, pcm_idx; |
| |
| for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) { |
| if (!get_pcm_rec(spec, pcm_idx)->pcm) { |
| /* no PCM: mark this for skipping permanently */ |
| set_bit(pcm_idx, &spec->pcm_bitmap); |
| continue; |
| } |
| |
| 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); |
| |
| dev = get_pcm_rec(spec, pcm_idx)->device; |
| if (dev != SNDRV_PCM_INVALID_DEVICE) { |
| /* add control for ELD Bytes */ |
| err = hdmi_create_eld_ctl(codec, pcm_idx, dev); |
| 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; |
| |
| mutex_lock(&spec->bind_lock); |
| 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; |
| int dev_id = per_pin->dev_id; |
| |
| snd_hda_set_dev_select(codec, pin_nid, dev_id); |
| hdmi_init_pin(codec, pin_nid); |
| if (codec_has_acomp(codec)) |
| continue; |
| snd_hda_jack_detect_enable_callback_mst(codec, pin_nid, dev_id, |
| jack_callback); |
| } |
| mutex_unlock(&spec->bind_lock); |
| 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) { |
| 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 (spec->acomp_registered) { |
| snd_hdac_acomp_exit(&codec->bus->core); |
| } else if (codec_has_acomp(codec)) { |
| snd_hdac_acomp_register_notifier(&codec->bus->core, NULL); |
| } |
| codec->relaxed_resume = 0; |
| |
| 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); |
| snd_hda_regmap_sync(codec); |
| |
| 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 = hdmi_pin_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->codec = codec; |
| spec->ops = generic_standard_hdmi_ops; |
| spec->dev_num = 1; /* initialize to 1 */ |
| mutex_init(&spec->pcm_lock); |
| mutex_init(&spec->bind_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; |
| } |
| |
| /* |
| * generic audio component binding |
| */ |
| |
| /* turn on / off the unsol event jack detection dynamically */ |
| static void reprogram_jack_detect(struct hda_codec *codec, hda_nid_t nid, |
| int dev_id, bool use_acomp) |
| { |
| struct hda_jack_tbl *tbl; |
| |
| tbl = snd_hda_jack_tbl_get_mst(codec, nid, dev_id); |
| if (tbl) { |
| /* clear unsol even if component notifier is used, or re-enable |
| * if notifier is cleared |
| */ |
| unsigned int val = use_acomp ? 0 : (AC_USRSP_EN | tbl->tag); |
| snd_hda_codec_write_cache(codec, nid, 0, |
| AC_VERB_SET_UNSOLICITED_ENABLE, val); |
| } |
| } |
| |
| /* set up / clear component notifier dynamically */ |
| static void generic_acomp_notifier_set(struct drm_audio_component *acomp, |
| bool use_acomp) |
| { |
| struct hdmi_spec *spec; |
| int i; |
| |
| spec = container_of(acomp->audio_ops, struct hdmi_spec, drm_audio_ops); |
| mutex_lock(&spec->bind_lock); |
| spec->use_acomp_notifier = use_acomp; |
| spec->codec->relaxed_resume = use_acomp; |
| /* reprogram each jack detection logic depending on the notifier */ |
| for (i = 0; i < spec->num_pins; i++) |
| reprogram_jack_detect(spec->codec, |
| get_pin(spec, i)->pin_nid, |
| get_pin(spec, i)->dev_id, |
| use_acomp); |
| mutex_unlock(&spec->bind_lock); |
| } |
| |
| /* enable / disable the notifier via master bind / unbind */ |
| static int generic_acomp_master_bind(struct device *dev, |
| struct drm_audio_component *acomp) |
| { |
| generic_acomp_notifier_set(acomp, true); |
| return 0; |
| } |
| |
| static void generic_acomp_master_unbind(struct device *dev, |
| struct drm_audio_component *acomp) |
| { |
| generic_acomp_notifier_set(acomp, false); |
| } |
| |
| /* check whether both HD-audio and DRM PCI devices belong to the same bus */ |
| static int match_bound_vga(struct device *dev, int subtype, void *data) |
| { |
| struct hdac_bus *bus = data; |
| struct pci_dev *pci, *master; |
| |
| if (!dev_is_pci(dev) || !dev_is_pci(bus->dev)) |
| return 0; |
| master = to_pci_dev(bus->dev); |
| pci = to_pci_dev(dev); |
| return master->bus == pci->bus; |
| } |
| |
| /* audio component notifier for AMD/Nvidia HDMI codecs */ |
| static void generic_acomp_pin_eld_notify(void *audio_ptr, int port, int dev_id) |
| { |
| struct hda_codec *codec = audio_ptr; |
| struct hdmi_spec *spec = codec->spec; |
| hda_nid_t pin_nid = spec->port2pin(codec, port); |
| |
| if (!pin_nid) |
| return; |
| if (get_wcaps_type(get_wcaps(codec, pin_nid)) != AC_WID_PIN) |
| return; |
| /* skip notification during system suspend (but not in runtime PM); |
| * the state will be updated at resume |
| */ |
| if (snd_power_get_state(codec->card) != SNDRV_CTL_POWER_D0) |
| return; |
| /* ditto during suspend/resume process itself */ |
| if (snd_hdac_is_in_pm(&codec->core)) |
| return; |
| |
| check_presence_and_report(codec, pin_nid, dev_id); |
| } |
| |
| /* set up the private drm_audio_ops from the template */ |
| static void setup_drm_audio_ops(struct hda_codec *codec, |
| const struct drm_audio_component_audio_ops *ops) |
| { |
| struct hdmi_spec *spec = codec->spec; |
| |
| spec->drm_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->drm_audio_ops.pin2port = ops->pin2port; |
| spec->drm_audio_ops.pin_eld_notify = ops->pin_eld_notify; |
| spec->drm_audio_ops.master_bind = ops->master_bind; |
| spec->drm_audio_ops.master_unbind = ops->master_unbind; |
| } |
| |
| /* initialize the generic HDMI audio component */ |
| static void generic_acomp_init(struct hda_codec *codec, |
| const struct drm_audio_component_audio_ops *ops, |
| int (*port2pin)(struct hda_codec *, int)) |
| { |
| struct hdmi_spec *spec = codec->spec; |
| |
| spec->port2pin = port2pin; |
| setup_drm_audio_ops(codec, ops); |
| if (!snd_hdac_acomp_init(&codec->bus->core, &spec->drm_audio_ops, |
| match_bound_vga, 0)) { |
| spec->acomp_registered = true; |
| codec->bus->keep_power = 0; |
| } |
| } |
| |
| /* |
| * Intel codec parsers and helpers |
| */ |
| |
| #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; |
| struct hdmi_spec *spec = codec->spec; |
| |
| vendor_param = snd_hda_codec_read(codec, spec->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, spec->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; |
| struct hdmi_spec *spec = codec->spec; |
| |
| vendor_param = snd_hda_codec_read(codec, spec->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, spec->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); |
| } |
| |
| /* There is a fixed mapping between audio pin node and display port. |
| * on SNB, IVY, HSW, BSW, SKL, BXT, KBL: |
| * Pin Widget 5 - PORT B (port = 1 in i915 driver) |
| * Pin Widget 6 - PORT C (port = 2 in i915 driver) |
| * Pin Widget 7 - PORT D (port = 3 in i915 driver) |
| * |
| * on VLV, ILK: |
| * Pin Widget 4 - PORT B (port = 1 in i915 driver) |
| * Pin Widget 5 - PORT C (port = 2 in i915 driver) |
| * Pin Widget 6 - PORT D (port = 3 in i915 driver) |
| */ |
| static int intel_base_nid(struct hda_codec *codec) |
| { |
| switch (codec->core.vendor_id) { |
| case 0x80860054: /* ILK */ |
| case 0x80862804: /* ILK */ |
| case 0x80862882: /* VLV */ |
| return 4; |
| default: |
| return 5; |
| } |
| } |
| |
| static int intel_pin2port(void *audio_ptr, int pin_nid) |
| { |
| struct hda_codec *codec = audio_ptr; |
| struct hdmi_spec *spec = codec->spec; |
| int base_nid, i; |
| |
| if (!spec->port_num) { |
| base_nid = intel_base_nid(codec); |
| if (WARN_ON(pin_nid < base_nid || pin_nid >= base_nid + 3)) |
| return -1; |
| return pin_nid - base_nid + 1; |
| } |
| |
| /* |
| * looking for the pin number in the mapping table and return |
| * the index which indicate the port number |
| */ |
| for (i = 0; i < spec->port_num; i++) { |
| if (pin_nid == spec->port_map[i]) |
| return i; |
| } |
| |
| codec_info(codec, "Can't find the HDMI/DP port for pin %d\n", pin_nid); |
| return -1; |
| } |
| |
| static int intel_port2pin(struct hda_codec *codec, int port) |
| { |
| struct hdmi_spec *spec = codec->spec; |
| |
| if (!spec->port_num) { |
| /* we assume only from port-B to port-D */ |
| if (port < 1 || port > 3) |
| return 0; |
| return port + intel_base_nid(codec) - 1; |
| } |
| |
| if (port < 0 || port >= spec->port_num) |
| return 0; |
| return spec->port_map[port]; |
| } |
| |
| static void intel_pin_eld_notify(void *audio_ptr, int port, int pipe) |
| { |
| struct hda_codec *codec = audio_ptr; |
| int pin_nid; |
| int dev_id = pipe; |
| |
| pin_nid = intel_port2pin(codec, port); |
| if (!pin_nid) |
| return; |
| /* skip notification during system suspend (but not in runtime PM); |
| * the state will be updated at resume |
| */ |
| if (snd_power_get_state(codec->card) != SNDRV_CTL_POWER_D0) |
| return; |
| /* ditto during suspend/resume process itself */ |
| if (snd_hdac_is_in_pm(&codec->core)) |
| return; |
| |
| snd_hdac_i915_set_bclk(&codec->bus->core); |
| check_presence_and_report(codec, pin_nid, dev_id); |
| } |
| |
| static const struct drm_audio_component_audio_ops intel_audio_ops = { |
| .pin2port = intel_pin2port, |
| .pin_eld_notify = intel_pin_eld_notify, |
| }; |
| |
| /* 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->port2pin = intel_port2pin; |
| setup_drm_audio_ops(codec, &intel_audio_ops); |
| snd_hdac_acomp_register_notifier(&codec->bus->core, |
| &spec->drm_audio_ops); |
| /* no need for forcible resume for jack check thanks to notifier */ |
| codec->relaxed_resume = 1; |
| } |
| |
| /* 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, int dev_id, u32 stream_tag, |
| int format) |
| { |
| haswell_verify_D0(codec, cvt_nid, pin_nid); |
| return hdmi_setup_stream(codec, cvt_nid, pin_nid, dev_id, |
| 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) { |
| snd_hda_set_dev_select(codec, per_pin->pin_nid, |
| per_pin->dev_id); |
| intel_verify_pin_cvt_connect(codec, per_pin); |
| intel_not_share_assigned_cvt(codec, per_pin->pin_nid, |
| per_pin->dev_id, per_pin->mux_idx); |
| } else { |
| intel_not_share_assigned_cvt_nid(codec, 0, 0, cvt_nid); |
| } |
| } |
| |
| /* precondition and allocation for Intel codecs */ |
| static int alloc_intel_hdmi(struct hda_codec *codec) |
| { |
| int err; |
| |
| /* requires i915 binding */ |
| if (!codec->bus->core.audio_component) { |
| codec_info(codec, "No i915 binding for Intel HDMI/DP codec\n"); |
| /* set probe_id here to prevent generic fallback binding */ |
| codec->probe_id = HDA_CODEC_ID_SKIP_PROBE; |
| return -ENODEV; |
| } |
| |
| err = alloc_generic_hdmi(codec); |
| if (err < 0) |
| return err; |
| /* no need to handle unsol events */ |
| codec->patch_ops.unsol_event = NULL; |
| return 0; |
| } |
| |
| /* parse and post-process for Intel codecs */ |
| static int parse_intel_hdmi(struct hda_codec *codec) |
| { |
| int err, retries = 3; |
| |
| do { |
| err = hdmi_parse_codec(codec); |
| } while (err < 0 && retries--); |
| |
| if (err < 0) { |
| generic_spec_free(codec); |
| return err; |
| } |
| |
| generic_hdmi_init_per_pins(codec); |
| register_i915_notifier(codec); |
| return 0; |
| } |
| |
| /* Intel Haswell and onwards; audio component with eld notifier */ |
| static int intel_hsw_common_init(struct hda_codec *codec, hda_nid_t vendor_nid, |
| const int *port_map, int port_num) |
| { |
| struct hdmi_spec *spec; |
| int err; |
| |
| err = alloc_intel_hdmi(codec); |
| if (err < 0) |
| return err; |
| spec = codec->spec; |
| codec->dp_mst = true; |
| spec->dyn_pcm_assign = true; |
| spec->vendor_nid = vendor_nid; |
| spec->port_map = port_map; |
| spec->port_num = port_num; |
| spec->intel_hsw_fixup = true; |
| |
| intel_haswell_enable_all_pins(codec, true); |
| intel_haswell_fixup_enable_dp12(codec); |
| |
| codec->display_power_control = 1; |
| |
| codec->patch_ops.set_power_state = haswell_set_power_state; |
| 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; |
| |
| return parse_intel_hdmi(codec); |
| } |
| |
| static int patch_i915_hsw_hdmi(struct hda_codec *codec) |
| { |
| return intel_hsw_common_init(codec, 0x08, NULL, 0); |
| } |
| |
| static int patch_i915_glk_hdmi(struct hda_codec *codec) |
| { |
| return intel_hsw_common_init(codec, 0x0b, NULL, 0); |
| } |
| |
| static int patch_i915_icl_hdmi(struct hda_codec *codec) |
| { |
| /* |
| * pin to port mapping table where the value indicate the pin number and |
| * the index indicate the port number. |
| */ |
| static const int map[] = {0x0, 0x4, 0x6, 0x8, 0xa, 0xb}; |
| |
| return intel_hsw_common_init(codec, 0x02, map, ARRAY_SIZE(map)); |
| } |
| |
| static int patch_i915_tgl_hdmi(struct hda_codec *codec) |
| { |
| /* |
| * pin to port mapping table where the value indicate the pin number and |
| * the index indicate the port number. |
| */ |
| static const int map[] = {0x4, 0x6, 0x8, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf}; |
| |
| return intel_hsw_common_init(codec, 0x02, map, ARRAY_SIZE(map)); |
| } |
| |
| /* Intel Baytrail and Braswell; with eld notifier */ |
| static int patch_i915_byt_hdmi(struct hda_codec *codec) |
| { |
| struct hdmi_spec *spec; |
| int err; |
| |
| err = alloc_intel_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->display_power_control = 1; |
| |
| codec->depop_delay = 0; |
| codec->auto_runtime_pm = 1; |
| |
| spec->ops.pin_cvt_fixup = i915_pin_cvt_fixup; |
| |
| return parse_intel_hdmi(codec); |
| } |
| |
| /* Intel IronLake, SandyBridge and IvyBridge; with eld notifier */ |
| static int patch_i915_cpt_hdmi(struct hda_codec *codec) |
| { |
| int err; |
| |
| err = alloc_intel_hdmi(codec); |
| if (err < 0) |
| return err; |
| return parse_intel_hdmi(codec); |
| } |
| |
| /* |
| * 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, per_pin->dev_id); |
| 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 const unsigned int channels_2_6_8[] = { |
| 2, 6, 8 |
| }; |
| |
| static const unsigned int channels_2_8[] = { |
| 2, 8 |
| }; |
| |
| static const 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 const 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; |
| const 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); |
| } |
| <
|