/* * * 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 * Copyright (c) 2013 Anssi Hannula * * Authors: * Wu Fengguang * * Maintained by: * Wu Fengguang * * 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 #include #include #include #include #include #include #include #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)->vendor_id == 0x80862807) #define is_valleyview(codec) ((codec)->vendor_id == 0x80862882) struct hdmi_spec_per_cvt { hda_nid_t cvt_nid; int assigned; unsigned int channels_min; unsigned int channels_max; u32 rates; u64 formats; unsigned int maxbps; }; /* max. connections to a widget */ #define HDA_MAX_CONNECTIONS 32 struct hdmi_spec_per_pin { hda_nid_t pin_nid; int num_mux_nids; hda_nid_t mux_nids[HDA_MAX_CONNECTIONS]; hda_nid_t cvt_nid; struct hda_codec *codec; struct hdmi_eld sink_eld; struct mutex lock; struct delayed_work work; struct snd_kcontrol *eld_ctl; int repoll_count; bool setup; /* the stream has been set up by prepare callback */ int channels; /* current number of channels */ bool non_pcm; bool chmap_set; /* channel-map override by ALSA API? */ unsigned char chmap[8]; /* ALSA API channel-map */ char pcm_name[8]; /* filled in build_pcm callbacks */ #ifdef CONFIG_PROC_FS struct snd_info_entry *proc_entry; #endif }; struct cea_channel_speaker_allocation; /* operations used by generic code that can be overridden by patches */ struct hdmi_ops { int (*pin_get_eld)(struct hda_codec *codec, hda_nid_t pin_nid, unsigned char *buf, int *eld_size); /* get and set channel assigned to each HDMI ASP (audio sample packet) slot */ int (*pin_get_slot_channel)(struct hda_codec *codec, hda_nid_t pin_nid, int asp_slot); int (*pin_set_slot_channel)(struct hda_codec *codec, hda_nid_t pin_nid, int asp_slot, int channel); void (*pin_setup_infoframe)(struct hda_codec *codec, hda_nid_t pin_nid, int ca, int active_channels, int conn_type); /* enable/disable HBR (HD passthrough) */ int (*pin_hbr_setup)(struct hda_codec *codec, hda_nid_t pin_nid, bool hbr); int (*setup_stream)(struct hda_codec *codec, hda_nid_t cvt_nid, hda_nid_t pin_nid, u32 stream_tag, int format); /* Helpers for producing the channel map TLVs. These can be overridden * for devices that have non-standard mapping requirements. */ int (*chmap_cea_alloc_validate_get_type)(struct cea_channel_speaker_allocation *cap, int channels); void (*cea_alloc_to_tlv_chmap)(struct cea_channel_speaker_allocation *cap, unsigned int *chmap, int channels); /* check that the user-given chmap is supported */ int (*chmap_validate)(int ca, int channels, unsigned char *chmap); }; struct hdmi_spec { int num_cvts; struct snd_array cvts; /* struct hdmi_spec_per_cvt */ hda_nid_t cvt_nids[4]; /* only for haswell fix */ int num_pins; struct snd_array pins; /* struct hdmi_spec_per_pin */ struct snd_array pcm_rec; /* struct hda_pcm */ unsigned int channels_max; /* max over all cvts */ struct hdmi_eld temp_eld; struct hdmi_ops ops; /* * Non-generic VIA/NVIDIA specific */ struct hda_multi_out multiout; struct hda_pcm_stream pcm_playback; }; struct hdmi_audio_infoframe { u8 type; /* 0x84 */ u8 ver; /* 0x01 */ u8 len; /* 0x0a */ u8 checksum; u8 CC02_CT47; /* CC in bits 0:2, CT in 4:7 */ u8 SS01_SF24; u8 CXT04; u8 CA; u8 LFEPBL01_LSV36_DM_INH7; }; struct dp_audio_infoframe { u8 type; /* 0x84 */ u8 len; /* 0x1b */ u8 ver; /* 0x11 << 2 */ u8 CC02_CT47; /* match with HDMI infoframe from this on */ u8 SS01_SF24; u8 CXT04; u8 CA; u8 LFEPBL01_LSV36_DM_INH7; }; union audio_infoframe { struct hdmi_audio_infoframe hdmi; struct dp_audio_infoframe dp; u8 bytes[0]; }; /* * CEA speaker placement: * * FLH FCH FRH * FLW FL FLC FC FRC FR FRW * * LFE * TC * * RL RLC RC RRC RR * * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC. */ enum cea_speaker_placement { FL = (1 << 0), /* Front Left */ FC = (1 << 1), /* Front Center */ FR = (1 << 2), /* Front Right */ FLC = (1 << 3), /* Front Left Center */ FRC = (1 << 4), /* Front Right Center */ RL = (1 << 5), /* Rear Left */ RC = (1 << 6), /* Rear Center */ RR = (1 << 7), /* Rear Right */ RLC = (1 << 8), /* Rear Left Center */ RRC = (1 << 9), /* Rear Right Center */ LFE = (1 << 10), /* Low Frequency Effect */ FLW = (1 << 11), /* Front Left Wide */ FRW = (1 << 12), /* Front Right Wide */ FLH = (1 << 13), /* Front Left High */ FCH = (1 << 14), /* Front Center High */ FRH = (1 << 15), /* Front Right High */ TC = (1 << 16), /* Top Center */ }; /* * ELD SA bits in the CEA Speaker Allocation data block */ static int eld_speaker_allocation_bits[] = { [0] = FL | FR, [1] = LFE, [2] = FC, [3] = RL | RR, [4] = RC, [5] = FLC | FRC, [6] = RLC | RRC, /* the following are not defined in ELD yet */ [7] = FLW | FRW, [8] = FLH | FRH, [9] = TC, [10] = FCH, }; struct cea_channel_speaker_allocation { int ca_index; int speakers[8]; /* derived values, just for convenience */ int channels; int spk_mask; }; /* * ALSA sequence is: * * surround40 surround41 surround50 surround51 surround71 * ch0 front left = = = = * ch1 front right = = = = * ch2 rear left = = = = * ch3 rear right = = = = * ch4 LFE center center center * ch5 LFE LFE * ch6 side left * ch7 side right * * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR} */ static int hdmi_channel_mapping[0x32][8] = { /* stereo */ [0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 }, /* 2.1 */ [0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 }, /* Dolby Surround */ [0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 }, /* surround40 */ [0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 }, /* 4ch */ [0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 }, /* surround41 */ [0x09] = { 0x00, 0x11, 0x24, 0x35, 0x42, 0xf3, 0xf6, 0xf7 }, /* surround50 */ [0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 }, /* surround51 */ [0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 }, /* 7.1 */ [0x13] = { 0x00, 0x11, 0x26, 0x37, 0x43, 0x52, 0x64, 0x75 }, }; /* * This is an ordered list! * * The preceding ones have better chances to be selected by * hdmi_channel_allocation(). */ static struct cea_channel_speaker_allocation channel_allocations[] = { /* channel: 7 6 5 4 3 2 1 0 */ { .ca_index = 0x00, .speakers = { 0, 0, 0, 0, 0, 0, FR, FL } }, /* 2.1 */ { .ca_index = 0x01, .speakers = { 0, 0, 0, 0, 0, LFE, FR, FL } }, /* Dolby Surround */ { .ca_index = 0x02, .speakers = { 0, 0, 0, 0, FC, 0, FR, FL } }, /* surround40 */ { .ca_index = 0x08, .speakers = { 0, 0, RR, RL, 0, 0, FR, FL } }, /* surround41 */ { .ca_index = 0x09, .speakers = { 0, 0, RR, RL, 0, LFE, FR, FL } }, /* surround50 */ { .ca_index = 0x0a, .speakers = { 0, 0, RR, RL, FC, 0, FR, FL } }, /* surround51 */ { .ca_index = 0x0b, .speakers = { 0, 0, RR, RL, FC, LFE, FR, FL } }, /* 6.1 */ { .ca_index = 0x0f, .speakers = { 0, RC, RR, RL, FC, LFE, FR, FL } }, /* surround71 */ { .ca_index = 0x13, .speakers = { RRC, RLC, RR, RL, FC, LFE, FR, FL } }, { .ca_index = 0x03, .speakers = { 0, 0, 0, 0, FC, LFE, FR, FL } }, { .ca_index = 0x04, .speakers = { 0, 0, 0, RC, 0, 0, FR, FL } }, { .ca_index = 0x05, .speakers = { 0, 0, 0, RC, 0, LFE, FR, FL } }, { .ca_index = 0x06, .speakers = { 0, 0, 0, RC, FC, 0, FR, FL } }, { .ca_index = 0x07, .speakers = { 0, 0, 0, RC, FC, LFE, FR, FL } }, { .ca_index = 0x0c, .speakers = { 0, RC, RR, RL, 0, 0, FR, FL } }, { .ca_index = 0x0d, .speakers = { 0, RC, RR, RL, 0, LFE, FR, FL } }, { .ca_index = 0x0e, .speakers = { 0, RC, RR, RL, FC, 0, FR, FL } }, { .ca_index = 0x10, .speakers = { RRC, RLC, RR, RL, 0, 0, FR, FL } }, { .ca_index = 0x11, .speakers = { RRC, RLC, RR, RL, 0, LFE, FR, FL } }, { .ca_index = 0x12, .speakers = { RRC, RLC, RR, RL, FC, 0, FR, FL } }, { .ca_index = 0x14, .speakers = { FRC, FLC, 0, 0, 0, 0, FR, FL } }, { .ca_index = 0x15, .speakers = { FRC, FLC, 0, 0, 0, LFE, FR, FL } }, { .ca_index = 0x16, .speakers = { FRC, FLC, 0, 0, FC, 0, FR, FL } }, { .ca_index = 0x17, .speakers = { FRC, FLC, 0, 0, FC, LFE, FR, FL } }, { .ca_index = 0x18, .speakers = { FRC, FLC, 0, RC, 0, 0, FR, FL } }, { .ca_index = 0x19, .speakers = { FRC, FLC, 0, RC, 0, LFE, FR, FL } }, { .ca_index = 0x1a, .speakers = { FRC, FLC, 0, RC, FC, 0, FR, FL } }, { .ca_index = 0x1b, .speakers = { FRC, FLC, 0, RC, FC, LFE, FR, FL } }, { .ca_index = 0x1c, .speakers = { FRC, FLC, RR, RL, 0, 0, FR, FL } }, { .ca_index = 0x1d, .speakers = { FRC, FLC, RR, RL, 0, LFE, FR, FL } }, { .ca_index = 0x1e, .speakers = { FRC, FLC, RR, RL, FC, 0, FR, FL } }, { .ca_index = 0x1f, .speakers = { FRC, FLC, RR, RL, FC, LFE, FR, FL } }, { .ca_index = 0x20, .speakers = { 0, FCH, RR, RL, FC, 0, FR, FL } }, { .ca_index = 0x21, .speakers = { 0, FCH, RR, RL, FC, LFE, FR, FL } }, { .ca_index = 0x22, .speakers = { TC, 0, RR, RL, FC, 0, FR, FL } }, { .ca_index = 0x23, .speakers = { TC, 0, RR, RL, FC, LFE, FR, FL } }, { .ca_index = 0x24, .speakers = { FRH, FLH, RR, RL, 0, 0, FR, FL } }, { .ca_index = 0x25, .speakers = { FRH, FLH, RR, RL, 0, LFE, FR, FL } }, { .ca_index = 0x26, .speakers = { FRW, FLW, RR, RL, 0, 0, FR, FL } }, { .ca_index = 0x27, .speakers = { FRW, FLW, RR, RL, 0, LFE, FR, FL } }, { .ca_index = 0x28, .speakers = { TC, RC, RR, RL, FC, 0, FR, FL } }, { .ca_index = 0x29, .speakers = { TC, RC, RR, RL, FC, LFE, FR, FL } }, { .ca_index = 0x2a, .speakers = { FCH, RC, RR, RL, FC, 0, FR, FL } }, { .ca_index = 0x2b, .speakers = { FCH, RC, RR, RL, FC, LFE, FR, FL } }, { .ca_index = 0x2c, .speakers = { TC, FCH, RR, RL, FC, 0, FR, FL } }, { .ca_index = 0x2d, .speakers = { TC, FCH, RR, RL, FC, LFE, FR, FL } }, { .ca_index = 0x2e, .speakers = { FRH, FLH, RR, RL, FC, 0, FR, FL } }, { .ca_index = 0x2f, .speakers = { FRH, FLH, RR, RL, FC, LFE, FR, FL } }, { .ca_index = 0x30, .speakers = { FRW, FLW, RR, RL, FC, 0, FR, FL } }, { .ca_index = 0x31, .speakers = { FRW, FLW, RR, RL, FC, LFE, FR, FL } }, }; /* * HDMI routines */ #define get_pin(spec, idx) \ ((struct hdmi_spec_per_pin *)snd_array_elem(&spec->pins, idx)) #define get_cvt(spec, idx) \ ((struct hdmi_spec_per_cvt *)snd_array_elem(&spec->cvts, idx)) #define get_pcm_rec(spec, idx) \ ((struct hda_pcm *)snd_array_elem(&spec->pcm_rec, idx)) static int pin_nid_to_pin_index(struct hdmi_spec *spec, hda_nid_t pin_nid) { 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; snd_printk(KERN_WARNING "HDMI: pin nid %d not registered\n", pin_nid); return -EINVAL; } static int hinfo_to_pin_index(struct hdmi_spec *spec, struct hda_pcm_stream *hinfo) { int pin_idx; for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) if (get_pcm_rec(spec, pin_idx)->stream == hinfo) return pin_idx; snd_printk(KERN_WARNING "HDMI: hinfo %p not registered\n", hinfo); return -EINVAL; } static int cvt_nid_to_cvt_index(struct hdmi_spec *spec, hda_nid_t cvt_nid) { 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; snd_printk(KERN_WARNING "HDMI: cvt nid %d not registered\n", cvt_nid); return -EINVAL; } static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { struct hda_codec *codec = snd_kcontrol_chip(kcontrol); struct hdmi_spec *spec = codec->spec; struct hdmi_spec_per_pin *per_pin; struct hdmi_eld *eld; int pin_idx; uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; pin_idx = kcontrol->private_value; per_pin = get_pin(spec, pin_idx); eld = &per_pin->sink_eld; mutex_lock(&per_pin->lock); uinfo->count = eld->eld_valid ? eld->eld_size : 0; mutex_unlock(&per_pin->lock); return 0; } static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct hda_codec *codec = snd_kcontrol_chip(kcontrol); struct hdmi_spec *spec = codec->spec; struct hdmi_spec_per_pin *per_pin; struct hdmi_eld *eld; int pin_idx; pin_idx = kcontrol->private_value; per_pin = get_pin(spec, pin_idx); eld = &per_pin->sink_eld; mutex_lock(&per_pin->lock); if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data)) { mutex_unlock(&per_pin->lock); snd_BUG(); return -EINVAL; } memset(ucontrol->value.bytes.data, 0, ARRAY_SIZE(ucontrol->value.bytes.data)); if (eld->eld_valid) memcpy(ucontrol->value.bytes.data, eld->eld_buffer, eld->eld_size); mutex_unlock(&per_pin->lock); return 0; } static struct snd_kcontrol_new eld_bytes_ctl = { .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, .iface = SNDRV_CTL_ELEM_IFACE_PCM, .name = "ELD", .info = hdmi_eld_ctl_info, .get = hdmi_eld_ctl_get, }; static int hdmi_create_eld_ctl(struct hda_codec *codec, int pin_idx, int device) { struct snd_kcontrol *kctl; struct hdmi_spec *spec = codec->spec; int err; kctl = snd_ctl_new1(&eld_bytes_ctl, codec); if (!kctl) return -ENOMEM; kctl->private_value = pin_idx; kctl->id.device = device; err = snd_hda_ctl_add(codec, get_pin(spec, pin_idx)->pin_nid, kctl); if (err < 0) return err; get_pin(spec, pin_idx)->eld_ctl = kctl; return 0; } #ifdef BE_PARANOID static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid, int *packet_index, int *byte_index) { int val; val = snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_INDEX, 0); *packet_index = val >> 5; *byte_index = val & 0x1f; } #endif static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid, int packet_index, int byte_index) { int val; val = (packet_index << 5) | (byte_index & 0x1f); snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val); } static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid, unsigned char val) { snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val); } static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid) { /* 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); /* Enable pin out: some machines with GM965 gets broken output when * the pin is disabled or changed while using with HDMI */ snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); } static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t cvt_nid) { return 1 + snd_hda_codec_read(codec, cvt_nid, 0, AC_VERB_GET_CVT_CHAN_COUNT, 0); } static void hdmi_set_channel_count(struct hda_codec *codec, hda_nid_t cvt_nid, int chs) { if (chs != hdmi_get_channel_count(codec, cvt_nid)) snd_hda_codec_write(codec, cvt_nid, 0, AC_VERB_SET_CVT_CHAN_COUNT, chs - 1); } /* * ELD proc files */ #ifdef CONFIG_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->bus->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 && per_pin->proc_entry) { snd_device_free(per_pin->codec->bus->card, per_pin->proc_entry); per_pin->proc_entry = NULL; } } #else static inline int eld_proc_new(struct hdmi_spec_per_pin *per_pin, int index) { return 0; } static inline void eld_proc_free(struct hdmi_spec_per_pin *per_pin) { } #endif /* * Channel mapping routines */ /* * Compute derived values in channel_allocations[]. */ static void init_channel_allocations(void) { int i, j; struct cea_channel_speaker_allocation *p; for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) { p = channel_allocations + i; p->channels = 0; p->spk_mask = 0; for (j = 0; j < ARRAY_SIZE(p->speakers); j++) if (p->speakers[j]) { p->channels++; p->spk_mask |= p->speakers[j]; } } } static int get_channel_allocation_order(int ca) { int i; for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) { if (channel_allocations[i].ca_index == ca) break; } return i; } /* * The transformation takes two steps: * * eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask * spk_mask => (channel_allocations[]) => ai->CA * * TODO: it could select the wrong CA from multiple candidates. */ static int hdmi_channel_allocation(struct hdmi_eld *eld, int channels) { int i; int ca = 0; int spk_mask = 0; char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE]; /* * CA defaults to 0 for basic stereo audio */ if (channels <= 2) return 0; /* * expand ELD's speaker allocation mask * * ELD tells the speaker mask in a compact(paired) form, * expand ELD's notions to match the ones used by Audio InfoFrame. */ for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) { if (eld->info.spk_alloc & (1 << i)) spk_mask |= eld_speaker_allocation_bits[i]; } /* search for the first working match in the CA table */ for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) { if (channels == channel_allocations[i].channels && (spk_mask & channel_allocations[i].spk_mask) == channel_allocations[i].spk_mask) { ca = channel_allocations[i].ca_index; break; } } if (!ca) { /* if there was no match, select the regular ALSA channel * allocation with the matching number of channels */ for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) { if (channels == channel_allocations[i].channels) { ca = channel_allocations[i].ca_index; break; } } } snd_print_channel_allocation(eld->info.spk_alloc, buf, sizeof(buf)); snd_printdd("HDMI: select CA 0x%x for %d-channel allocation: %s\n", ca, channels, buf); return ca; } static void hdmi_debug_channel_mapping(struct hda_codec *codec, hda_nid_t pin_nid) { #ifdef CONFIG_SND_DEBUG_VERBOSE struct hdmi_spec *spec = codec->spec; int i; int channel; for (i = 0; i < 8; i++) { channel = spec->ops.pin_get_slot_channel(codec, pin_nid, i); printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n", channel, i); } #endif } static void hdmi_std_setup_channel_mapping(struct hda_codec *codec, hda_nid_t pin_nid, bool non_pcm, int ca) { struct hdmi_spec *spec = codec->spec; struct cea_channel_speaker_allocation *ch_alloc; int i; int err; int order; int non_pcm_mapping[8]; order = get_channel_allocation_order(ca); ch_alloc = &channel_allocations[order]; if (hdmi_channel_mapping[ca][1] == 0) { int hdmi_slot = 0; /* fill actual channel mappings in ALSA channel (i) order */ for (i = 0; i < ch_alloc->channels; i++) { while (!ch_alloc->speakers[7 - hdmi_slot] && !WARN_ON(hdmi_slot >= 8)) hdmi_slot++; /* skip zero slots */ hdmi_channel_mapping[ca][i] = (i << 4) | hdmi_slot++; } /* fill the rest of the slots with ALSA channel 0xf */ for (hdmi_slot = 0; hdmi_slot < 8; hdmi_slot++) if (!ch_alloc->speakers[7 - hdmi_slot]) hdmi_channel_mapping[ca][i++] = (0xf << 4) | hdmi_slot; } if (non_pcm) { for (i = 0; i < ch_alloc->channels; i++) non_pcm_mapping[i] = (i << 4) | i; for (; i < 8; i++) non_pcm_mapping[i] = (0xf << 4) | i; } for (i = 0; i < 8; i++) { int slotsetup = non_pcm ? non_pcm_mapping[i] : hdmi_channel_mapping[ca][i]; int hdmi_slot = slotsetup & 0x0f; int channel = (slotsetup & 0xf0) >> 4; err = spec->ops.pin_set_slot_channel(codec, pin_nid, hdmi_slot, channel); if (err) { snd_printdd(KERN_NOTICE "HDMI: channel mapping failed\n"); break; } } } struct channel_map_table { unsigned char map; /* ALSA API channel map position */ int spk_mask; /* speaker position bit mask */ }; static struct channel_map_table map_tables[] = { { SNDRV_CHMAP_FL, FL }, { SNDRV_CHMAP_FR, FR }, { SNDRV_CHMAP_RL, RL }, { SNDRV_CHMAP_RR, RR }, { SNDRV_CHMAP_LFE, LFE }, { SNDRV_CHMAP_FC, FC }, { SNDRV_CHMAP_RLC, RLC }, { SNDRV_CHMAP_RRC, RRC }, { SNDRV_CHMAP_RC, RC }, { SNDRV_CHMAP_FLC, FLC }, { SNDRV_CHMAP_FRC, FRC }, { SNDRV_CHMAP_FLH, FLH }, { SNDRV_CHMAP_FRH, FRH }, { SNDRV_CHMAP_FLW, FLW }, { SNDRV_CHMAP_FRW, FRW }, { SNDRV_CHMAP_TC, TC }, { SNDRV_CHMAP_FCH, FCH }, {} /* terminator */ }; /* from ALSA API channel position to speaker bit mask */ static int to_spk_mask(unsigned char c) { struct channel_map_table *t = map_tables; for (; t->map; t++) { if (t->map == c) return t->spk_mask; } return 0; } /* from ALSA API channel position to CEA slot */ static int to_cea_slot(int ordered_ca, unsigned char pos) { int mask = to_spk_mask(pos); int i; if (mask) { for (i = 0; i < 8; i++) { if (channel_allocations[ordered_ca].speakers[7 - i] == mask) return i; } } return -1; } /* from speaker bit mask to ALSA API channel position */ static int spk_to_chmap(int spk) { struct channel_map_table *t = map_tables; for (; t->map; t++) { if (t->spk_mask == spk) return t->map; } return 0; } /* from CEA slot to ALSA API channel position */ static int from_cea_slot(int ordered_ca, unsigned char slot) { int mask = channel_allocations[ordered_ca].speakers[7 - slot]; return spk_to_chmap(mask); } /* get the CA index corresponding to the given ALSA API channel map */ static int hdmi_manual_channel_allocation(int chs, unsigned char *map) { int i, spks = 0, spk_mask = 0; for (i = 0; i < chs; i++) { int mask = to_spk_mask(map[i]); if (mask) { spk_mask |= mask; spks++; } } for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) { if ((chs == channel_allocations[i].channels || spks == channel_allocations[i].channels) && (spk_mask & channel_allocations[i].spk_mask) == channel_allocations[i].spk_mask) return channel_allocations[i].ca_index; } return -1; } /* set up the channel slots for the given ALSA API channel map */ static int hdmi_manual_setup_channel_mapping(struct hda_codec *codec, hda_nid_t pin_nid, int chs, unsigned char *map, int ca) { struct hdmi_spec *spec = codec->spec; int ordered_ca = get_channel_allocation_order(ca); int alsa_pos, hdmi_slot; int assignments[8] = {[0 ... 7] = 0xf}; for (alsa_pos = 0; alsa_pos < chs; alsa_pos++) { hdmi_slot = to_cea_slot(ordered_ca, map[alsa_pos]); if (hdmi_slot < 0) continue; /* unassigned channel */ assignments[hdmi_slot] = alsa_pos; } for (hdmi_slot = 0; hdmi_slot < 8; hdmi_slot++) { int err; err = spec->ops.pin_set_slot_channel(codec, pin_nid, hdmi_slot, assignments[hdmi_slot]); if (err) return -EINVAL; } return 0; } /* store ALSA API channel map from the current default map */ static void hdmi_setup_fake_chmap(unsigned char *map, int ca) { int i; int ordered_ca = get_channel_allocation_order(ca); for (i = 0; i < 8; i++) { if (i < channel_allocations[ordered_ca].channels) map[i] = from_cea_slot(ordered_ca, hdmi_channel_mapping[ca][i] & 0x0f); else map[i] = 0; } } static void hdmi_setup_channel_mapping(struct hda_codec *codec, hda_nid_t pin_nid, bool non_pcm, int ca, int channels, unsigned char *map, bool chmap_set) { if (!non_pcm && chmap_set) { hdmi_manual_setup_channel_mapping(codec, pin_nid, channels, map, ca); } else { hdmi_std_setup_channel_mapping(codec, pin_nid, non_pcm, ca); hdmi_setup_fake_chmap(map, ca); } hdmi_debug_channel_mapping(codec, pin_nid); } static int hdmi_pin_set_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid, int asp_slot, int channel) { return snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_CHAN_SLOT, (channel << 4) | asp_slot); } static int hdmi_pin_get_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid, int asp_slot) { return (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_CHAN_SLOT, asp_slot) & 0xf0) >> 4; } /* * Audio InfoFrame routines */ /* * Enable Audio InfoFrame Transmission */ static void hdmi_start_infoframe_trans(struct hda_codec *codec, hda_nid_t pin_nid) { hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0); snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT, AC_DIPXMIT_BEST); } /* * Disable Audio InfoFrame Transmission */ static void hdmi_stop_infoframe_trans(struct hda_codec *codec, hda_nid_t pin_nid) { hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0); snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT, AC_DIPXMIT_DISABLE); } static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid) { #ifdef CONFIG_SND_DEBUG_VERBOSE int i; int size; size = snd_hdmi_get_eld_size(codec, pin_nid); printk(KERN_DEBUG "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); printk(KERN_DEBUG "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) snd_printd(KERN_INFO "dip index %d: %d != %d\n", bi, pi, i); if (bi == 0) /* byte index wrapped around */ break; } snd_printd(KERN_INFO "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; 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 { snd_printd("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))) { snd_printdd("hdmi_pin_setup_infoframe: " "pin=%d channels=%d ca=0x%02x\n", pin_nid, active_channels, ca); hdmi_stop_infoframe_trans(codec, pin_nid); hdmi_fill_audio_infoframe(codec, pin_nid, ai.bytes, sizeof(ai)); hdmi_start_infoframe_trans(codec, pin_nid); } } static void hdmi_setup_audio_infoframe(struct hda_codec *codec, struct hdmi_spec_per_pin *per_pin, bool non_pcm) { struct hdmi_spec *spec = codec->spec; hda_nid_t pin_nid = per_pin->pin_nid; int channels = per_pin->channels; int active_channels; struct hdmi_eld *eld; int ca, ordered_ca; if (!channels) return; if (is_haswell(codec)) snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE); eld = &per_pin->sink_eld; if (!eld->monitor_present) return; if (!non_pcm && per_pin->chmap_set) ca = hdmi_manual_channel_allocation(channels, per_pin->chmap); else ca = hdmi_channel_allocation(eld, channels); if (ca < 0) ca = 0; ordered_ca = get_channel_allocation_order(ca); active_channels = channel_allocations[ordered_ca].channels; hdmi_set_channel_count(codec, per_pin->cvt_nid, active_channels); /* * always configure channel mapping, it may have been changed by the * user in the meantime */ hdmi_setup_channel_mapping(codec, pin_nid, non_pcm, ca, channels, per_pin->chmap, per_pin->chmap_set); spec->ops.pin_setup_infoframe(codec, pin_nid, ca, active_channels, eld->info.conn_type); per_pin->non_pcm = non_pcm; } /* * Unsolicited events */ static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll); static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res) { struct hdmi_spec *spec = codec->spec; int tag = res >> AC_UNSOL_RES_TAG_SHIFT; int pin_nid; int pin_idx; 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; pin_nid = jack->nid; jack->jack_dirty = 1; _snd_printd(SND_PR_VERBOSE, "HDMI hot plug event: Codec=%d Pin=%d Device=%d Inactive=%d Presence_Detect=%d ELD_Valid=%d\n", codec->addr, pin_nid, dev_entry, !!(res & AC_UNSOL_RES_IA), !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV)); pin_idx = pin_nid_to_pin_index(spec, pin_nid); if (pin_idx < 0) return; hdmi_present_sense(get_pin(spec, pin_idx), 1); snd_hda_jack_report_sync(codec); } 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); printk(KERN_INFO "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)) { snd_printd(KERN_INFO "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; snd_printd("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); new_pinctl = pinctl & ~AC_PINCTL_EPT; if (hbr) new_pinctl |= AC_PINCTL_EPT_HBR; else new_pinctl |= AC_PINCTL_EPT_NATIVE; snd_printdd("hdmi_pin_hbr_setup: " "NID=0x%x, %spinctl=0x%x\n", pin_nid, pinctl == new_pinctl ? "" : "new-", new_pinctl); if (pinctl != new_pinctl) snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, new_pinctl); } else if (hbr) return -EINVAL; return 0; } static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid, hda_nid_t pin_nid, u32 stream_tag, int format) { struct hdmi_spec *spec = codec->spec; int err; if (is_haswell(codec)) haswell_verify_D0(codec, cvt_nid, pin_nid); err = spec->ops.pin_hbr_setup(codec, pin_nid, is_hbr_format(format)); if (err) { snd_printdd("hdmi_setup_stream: HBR is not supported\n"); return err; } snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format); return 0; } static int hdmi_choose_cvt(struct hda_codec *codec, int pin_idx, int *cvt_id, int *mux_id) { struct hdmi_spec *spec = codec->spec; struct hdmi_spec_per_pin *per_pin; struct hdmi_spec_per_cvt *per_cvt = NULL; int cvt_idx, mux_idx = 0; per_pin = get_pin(spec, pin_idx); /* Dynamically assign converter to stream */ for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) { per_cvt = get_cvt(spec, cvt_idx); /* Must not already be assigned */ if (per_cvt->assigned) continue; /* Must be in pin's mux's list of converters */ for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++) if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid) break; /* Not in mux list */ if (mux_idx == per_pin->num_mux_nids) continue; break; } /* No free converters */ if (cvt_idx == spec->num_cvts) return -ENODEV; if (cvt_id) *cvt_id = cvt_idx; if (mux_id) *mux_id = mux_idx; return 0; } /* 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, end_nid; int cvt_idx, curr; struct hdmi_spec_per_cvt *per_cvt; /* configure all pins, including "no physical connection" ones */ end_nid = codec->start_nid + codec->num_nodes; for (nid = codec->start_nid; nid < end_nid; nid++) { 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) { snd_printdd("choose cvt %d for pin nid %d\n", cvt_idx, nid); snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL, cvt_idx); break; } } } } /* * HDA PCM callbacks */ static int hdmi_pcm_open(struct hda_pcm_stream *hinfo, struct hda_codec *codec, struct snd_pcm_substream *substream) { struct hdmi_spec *spec = codec->spec; struct snd_pcm_runtime *runtime = substream->runtime; int pin_idx, cvt_idx, mux_idx = 0; struct hdmi_spec_per_pin *per_pin; struct hdmi_eld *eld; struct hdmi_spec_per_cvt *per_cvt = NULL; int err; /* Validate hinfo */ pin_idx = hinfo_to_pin_index(spec, hinfo); if (snd_BUG_ON(pin_idx < 0)) return -EINVAL; per_pin = get_pin(spec, pin_idx); eld = &per_pin->sink_eld; err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx, &mux_idx); if (err < 0) return err; per_cvt = get_cvt(spec, cvt_idx); /* Claim converter */ per_cvt->assigned = 1; per_pin->cvt_nid = per_cvt->cvt_nid; hinfo->nid = per_cvt->cvt_nid; snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0, AC_VERB_SET_CONNECT_SEL, mux_idx); /* configure unused pins to choose other converters */ if (is_haswell(codec) || is_valleyview(codec)) intel_not_share_assigned_cvt(codec, per_pin->pin_nid, mux_idx); snd_hda_spdif_ctls_assign(codec, pin_idx, per_cvt->cvt_nid); /* Initially set the converter's capabilities */ hinfo->channels_min = per_cvt->channels_min; hinfo->channels_max = per_cvt->channels_max; hinfo->rates = per_cvt->rates; hinfo->formats = per_cvt->formats; hinfo->maxbps = per_cvt->maxbps; /* Restrict capabilities by ELD if this isn't disabled */ if (!static_hdmi_pcm && eld->eld_valid) { snd_hdmi_eld_update_pcm_info(&eld->info, hinfo); if (hinfo->channels_min > hinfo->channels_max || !hinfo->rates || !hinfo->formats) { per_cvt->assigned = 0; hinfo->nid = 0; snd_hda_spdif_ctls_unassign(codec, pin_idx); return -ENODEV; } } /* Store the updated parameters */ runtime->hw.channels_min = hinfo->channels_min; runtime->hw.channels_max = hinfo->channels_max; runtime->hw.formats = hinfo->formats; runtime->hw.rates = hinfo->rates; snd_pcm_hw_constraint_step(substream->runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2); return 0; } /* * HDA/HDMI auto parsing */ static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx) { struct hdmi_spec *spec = codec->spec; struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); hda_nid_t pin_nid = per_pin->pin_nid; if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) { snd_printk(KERN_WARNING "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 void 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; struct hdmi_eld *eld = &spec->temp_eld; struct hdmi_eld *pin_eld = &per_pin->sink_eld; hda_nid_t pin_nid = per_pin->pin_nid; /* * Always execute a GetPinSense verb here, even when called from * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited * response's PD bit is not the real PD value, but indicates that * the real PD value changed. An older version of the HD-audio * specification worked this way. Hence, we just ignore the data in * the unsolicited response to avoid custom WARs. */ int present = snd_hda_pin_sense(codec, pin_nid); bool update_eld = false; bool eld_changed = false; mutex_lock(&per_pin->lock); pin_eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE); if (pin_eld->monitor_present) eld->eld_valid = !!(present & AC_PINSENSE_ELDV); else eld->eld_valid = false; _snd_printd(SND_PR_VERBOSE, "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n", codec->addr, pin_nid, pin_eld->monitor_present, eld->eld_valid); if (eld->eld_valid) { if (spec->ops.pin_get_eld(codec, pin_nid, eld->eld_buffer, &eld->eld_size) < 0) eld->eld_valid = false; else { memset(&eld->info, 0, sizeof(struct parsed_hdmi_eld)); if (snd_hdmi_parse_eld(&eld->info, eld->eld_buffer, eld->eld_size) < 0) eld->eld_valid = false; } if (eld->eld_valid) { snd_hdmi_show_eld(&eld->info); update_eld = true; } else if (repoll) { queue_delayed_work(codec->bus->workq, &per_pin->work, msecs_to_jiffies(300)); goto unlock; } } if (pin_eld->eld_valid && !eld->eld_valid) { update_eld = true; eld_changed = true; } if (update_eld) { bool old_eld_valid = pin_eld->eld_valid; pin_eld->eld_valid = eld->eld_valid; eld_changed = pin_eld->eld_size != eld->eld_size || memcmp(pin_eld->eld_buffer, eld->eld_buffer, eld->eld_size) != 0; if (eld_changed) memcpy(pin_eld->eld_buffer, eld->eld_buffer, eld->eld_size); pin_eld->eld_size = eld->eld_size; pin_eld->info = eld->info; /* * Re-setup pin and infoframe. This is needed e.g. when * - sink is first plugged-in (infoframe is not set up if !monitor_present) * - transcoder can change during stream playback on Haswell */ if (eld->eld_valid && !old_eld_valid && per_pin->setup) hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm); } if (eld_changed) snd_ctl_notify(codec->bus->card, SNDRV_CTL_EVENT_MASK_VALUE | SNDRV_CTL_EVENT_MASK_INFO, &per_pin->eld_ctl->id); unlock: mutex_unlock(&per_pin->lock); } 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; hdmi_present_sense(per_pin, per_pin->repoll_count); } 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(codec)) intel_haswell_fixup_connect_list(codec, pin_nid); pin_idx = spec->num_pins; per_pin = snd_array_new(&spec->pins); if (!per_pin) return -ENOMEM; per_pin->pin_nid = pin_nid; per_pin->non_pcm = false; err = hdmi_read_pin_conn(codec, pin_idx); if (err < 0) return err; spec->num_pins++; return 0; } static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid) { struct hdmi_spec *spec = codec->spec; struct hdmi_spec_per_cvt *per_cvt; unsigned int chans; int err; chans = get_wcaps(codec, cvt_nid); chans = get_wcaps_channels(chans); per_cvt = snd_array_new(&spec->cvts); if (!per_cvt) return -ENOMEM; per_cvt->cvt_nid = cvt_nid; per_cvt->channels_min = 2; if (chans <= 16) { per_cvt->channels_max = chans; if (chans > spec->channels_max) spec->channels_max = chans; } err = snd_hda_query_supported_pcm(codec, cvt_nid, &per_cvt->rates, &per_cvt->formats, &per_cvt->maxbps); if (err < 0) return err; if (spec->num_cvts < ARRAY_SIZE(spec->cvt_nids)) spec->cvt_nids[spec->num_cvts] = cvt_nid; spec->num_cvts++; return 0; } static int hdmi_parse_codec(struct hda_codec *codec) { hda_nid_t nid; int i, nodes; nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid); if (!nid || nodes < 0) { snd_printk(KERN_WARNING "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; } } #ifdef CONFIG_PM /* We're seeing some problems with unsolicited hot plug events on * PantherPoint after S3, if this is not enabled */ if (codec->vendor_id == 0x80862806) codec->bus->power_keep_link_on = 1; /* * G45/IbexPeak don't support EPSS: the unsolicited pin hot plug event * can be lost and presence sense verb will become inaccurate if the * HDA link is powered off at hot plug or hw initialization time. */ else if (!(snd_hda_param_read(codec, codec->afg, AC_PAR_POWER_STATE) & AC_PWRST_EPSS)) codec->bus->power_keep_link_on = 1; #endif return 0; } /* */ static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid) { struct hda_spdif_out *spdif; bool non_pcm; mutex_lock(&codec->spdif_mutex); spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid); non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO); mutex_unlock(&codec->spdif_mutex); return non_pcm; } /* * HDMI callbacks */ static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo, struct hda_codec *codec, unsigned int stream_tag, unsigned int format, struct snd_pcm_substream *substream) { hda_nid_t cvt_nid = hinfo->nid; struct hdmi_spec *spec = codec->spec; int pin_idx = hinfo_to_pin_index(spec, hinfo); struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); hda_nid_t pin_nid = per_pin->pin_nid; bool non_pcm; 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); return spec->ops.setup_stream(codec, cvt_nid, pin_nid, stream_tag, format); } static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo, struct hda_codec *codec, struct snd_pcm_substream *substream) { snd_hda_codec_cleanup_stream(codec, hinfo->nid); return 0; } static int hdmi_pcm_close(struct hda_pcm_stream *hinfo, struct hda_codec *codec, struct snd_pcm_substream *substream) { struct hdmi_spec *spec = codec->spec; int cvt_idx, pin_idx; struct hdmi_spec_per_cvt *per_cvt; struct hdmi_spec_per_pin *per_pin; if (hinfo->nid) { cvt_idx = cvt_nid_to_cvt_index(spec, hinfo->nid); if (snd_BUG_ON(cvt_idx < 0)) return -EINVAL; per_cvt = get_cvt(spec, cvt_idx); snd_BUG_ON(!per_cvt->assigned); per_cvt->assigned = 0; hinfo->nid = 0; pin_idx = hinfo_to_pin_index(spec, hinfo); if (snd_BUG_ON(pin_idx < 0)) return -EINVAL; per_pin = get_pin(spec, pin_idx); snd_hda_spdif_ctls_unassign(codec, pin_idx); mutex_lock(&per_pin->lock); per_pin->chmap_set = false; memset(per_pin->chmap, 0, sizeof(per_pin->chmap)); per_pin->setup = false; per_pin->channels = 0; mutex_unlock(&per_pin->lock); } return 0; } static const struct hda_pcm_ops generic_ops = { .open = hdmi_pcm_open, .close = hdmi_pcm_close, .prepare = generic_hdmi_playback_pcm_prepare, .cleanup = generic_hdmi_playback_pcm_cleanup, }; /* * ALSA API channel-map control callbacks */ static int hdmi_chmap_ctl_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol); struct hda_codec *codec = info->private_data; struct hdmi_spec *spec = codec->spec; uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = spec->channels_max; uinfo->value.integer.min = 0; uinfo->value.integer.max = SNDRV_CHMAP_LAST; return 0; } static int hdmi_chmap_cea_alloc_validate_get_type(struct cea_channel_speaker_allocation *cap, int channels) { /* If the speaker allocation matches the channel count, it is OK.*/ if (cap->channels != channels) return -1; /* all channels are remappable freely */ return SNDRV_CTL_TLVT_CHMAP_VAR; } static void hdmi_cea_alloc_to_tlv_chmap(struct cea_channel_speaker_allocation *cap, unsigned int *chmap, int channels) { int count = 0; int c; for (c = 7; c >= 0; c--) { int spk = cap->speakers[c]; if (!spk) continue; chmap[count++] = spk_to_chmap(spk); } WARN_ON(count != channels); } static int hdmi_chmap_ctl_tlv(struct snd_kcontrol *kcontrol, int op_flag, unsigned int size, unsigned int __user *tlv) { struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol); struct hda_codec *codec = info->private_data; struct hdmi_spec *spec = codec->spec; unsigned int __user *dst; int chs, count = 0; if (size < 8) return -ENOMEM; if (put_user(SNDRV_CTL_TLVT_CONTAINER, tlv)) return -EFAULT; size -= 8; dst = tlv + 2; for (chs = 2; chs <= spec->channels_max; chs++) { int i; struct cea_channel_speaker_allocation *cap; cap = channel_allocations; for (i = 0; i < ARRAY_SIZE(channel_allocations); i++, cap++) { int chs_bytes = chs * 4; int type = spec->ops.chmap_cea_alloc_validate_get_type(cap, chs); unsigned int tlv_chmap[8]; if (type < 0) continue; if (size < 8) return -ENOMEM; if (put_user(type, dst) || put_user(chs_bytes, dst + 1)) return -EFAULT; dst += 2; size -= 8; count += 8; if (size < chs_bytes) return -ENOMEM; size -= chs_bytes; count += chs_bytes; spec->ops.cea_alloc_to_tlv_chmap(cap, tlv_chmap, chs); if (copy_to_user(dst, tlv_chmap, chs_bytes)) return -EFAULT; dst += chs; } } if (put_user(count, tlv + 1)) return -EFAULT; return 0; } static int hdmi_chmap_ctl_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol); struct hda_codec *codec = info->private_data; struct hdmi_spec *spec = codec->spec; int pin_idx = kcontrol->private_value; struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); int i; for (i = 0; i < ARRAY_SIZE(per_pin->chmap); i++) ucontrol->value.integer.value[i] = per_pin->chmap[i]; return 0; } static int hdmi_chmap_ctl_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol); struct hda_codec *codec = info->private_data; struct hdmi_spec *spec = codec->spec; int pin_idx = kcontrol->private_value; struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); unsigned int ctl_idx; struct snd_pcm_substream *substream; unsigned char chmap[8]; int i, err, ca, prepared = 0; ctl_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); substream = snd_pcm_chmap_substream(info, ctl_idx); if (!substream || !substream->runtime) return 0; /* just for avoiding error from alsactl restore */ switch (substream->runtime->status->state) { case SNDRV_PCM_STATE_OPEN: case SNDRV_PCM_STATE_SETUP: break; case SNDRV_PCM_STATE_PREPARED: prepared = 1; break; default: return -EBUSY; } memset(chmap, 0, sizeof(chmap)); for (i = 0; i < ARRAY_SIZE(chmap); i++) chmap[i] = ucontrol->value.integer.value[i]; if (!memcmp(chmap, per_pin->chmap, sizeof(chmap))) return 0; ca = hdmi_manual_channel_allocation(ARRAY_SIZE(chmap), chmap); if (ca < 0) return -EINVAL; if (spec->ops.chmap_validate) { err = spec->ops.chmap_validate(ca, ARRAY_SIZE(chmap), chmap); if (err) return err; } mutex_lock(&per_pin->lock); per_pin->chmap_set = true; memcpy(per_pin->chmap, chmap, sizeof(chmap)); if (prepared) hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm); mutex_unlock(&per_pin->lock); return 0; } static int generic_hdmi_build_pcms(struct hda_codec *codec) { struct hdmi_spec *spec = codec->spec; int pin_idx; for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { struct hda_pcm *info; struct hda_pcm_stream *pstr; struct hdmi_spec_per_pin *per_pin; per_pin = get_pin(spec, pin_idx); sprintf(per_pin->pcm_name, "HDMI %d", pin_idx); info = snd_array_new(&spec->pcm_rec); if (!info) return -ENOMEM; info->name = per_pin->pcm_name; 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 */ } codec->num_pcms = spec->num_pins; codec->pcm_info = spec->pcm_rec.list; return 0; } static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx) { char hdmi_str[32] = "HDMI/DP"; struct hdmi_spec *spec = codec->spec; struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); int pcmdev = get_pcm_rec(spec, pin_idx)->device; if (pcmdev > 0) sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev); if (!is_jack_detectable(codec, per_pin->pin_nid)) strncat(hdmi_str, " Phantom", sizeof(hdmi_str) - strlen(hdmi_str) - 1); return snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str, 0); } static int generic_hdmi_build_controls(struct hda_codec *codec) { struct hdmi_spec *spec = codec->spec; int err; int pin_idx; for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); err = generic_hdmi_build_jack(codec, pin_idx); if (err < 0) return err; err = snd_hda_create_dig_out_ctls(codec, per_pin->pin_nid, per_pin->mux_nids[0], HDA_PCM_TYPE_HDMI); if (err < 0) return err; snd_hda_spdif_ctls_unassign(codec, pin_idx); /* add control for ELD Bytes */ err = hdmi_create_eld_ctl(codec, pin_idx, get_pcm_rec(spec, pin_idx)->device); if (err < 0) return err; hdmi_present_sense(per_pin, 0); } /* add channel maps */ for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { struct snd_pcm_chmap *chmap; struct snd_kcontrol *kctl; int i; if (!codec->pcm_info[pin_idx].pcm) break; err = snd_pcm_add_chmap_ctls(codec->pcm_info[pin_idx].pcm, SNDRV_PCM_STREAM_PLAYBACK, NULL, 0, pin_idx, &chmap); if (err < 0) return err; /* override handlers */ chmap->private_data = codec; kctl = chmap->kctl; for (i = 0; i < kctl->count; i++) kctl->vd[i].access |= SNDRV_CTL_ELEM_ACCESS_WRITE; kctl->info = hdmi_chmap_ctl_info; kctl->get = hdmi_chmap_ctl_get; kctl->put = hdmi_chmap_ctl_put; kctl->tlv.c = hdmi_chmap_ctl_tlv; } return 0; } static int generic_hdmi_init_per_pins(struct hda_codec *codec) { struct hdmi_spec *spec = codec->spec; int pin_idx; for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); per_pin->codec = codec; mutex_init(&per_pin->lock); INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld); eld_proc_new(per_pin, pin_idx); } return 0; } static int generic_hdmi_init(struct hda_codec *codec) { struct hdmi_spec *spec = codec->spec; int pin_idx; for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); hda_nid_t pin_nid = per_pin->pin_nid; hdmi_init_pin(codec, pin_nid); snd_hda_jack_detect_enable(codec, pin_nid, pin_nid); } 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); snd_array_init(&spec->pcm_rec, sizeof(struct hda_pcm), nums); } static void hdmi_array_free(struct hdmi_spec *spec) { snd_array_free(&spec->pins); snd_array_free(&spec->cvts); snd_array_free(&spec->pcm_rec); } static void generic_hdmi_free(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); cancel_delayed_work(&per_pin->work); eld_proc_free(per_pin); } flush_workqueue(codec->bus->workq); hdmi_array_free(spec); kfree(spec); } #ifdef CONFIG_PM static int generic_hdmi_resume(struct hda_codec *codec) { struct hdmi_spec *spec = codec->spec; int pin_idx; generic_hdmi_init(codec); snd_hda_codec_resume_amp(codec); snd_hda_codec_resume_cache(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 = snd_hdmi_get_eld, .pin_get_slot_channel = hdmi_pin_get_slot_channel, .pin_set_slot_channel = hdmi_pin_set_slot_channel, .pin_setup_infoframe = hdmi_pin_setup_infoframe, .pin_hbr_setup = hdmi_pin_hbr_setup, .setup_stream = hdmi_setup_stream, .chmap_cea_alloc_validate_get_type = hdmi_chmap_cea_alloc_validate_get_type, .cea_alloc_to_tlv_chmap = hdmi_cea_alloc_to_tlv_chmap, }; static void intel_haswell_fixup_connect_list(struct hda_codec *codec, hda_nid_t nid) { struct hdmi_spec *spec = codec->spec; hda_nid_t conns[4]; int nconns; nconns = snd_hda_get_connections(codec, nid, conns, ARRAY_SIZE(conns)); if (nconns == spec->num_cvts && !memcmp(conns, spec->cvt_nids, spec->num_cvts * sizeof(hda_nid_t))) return; /* override pins connection list */ snd_printdd("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_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 int patch_generic_hdmi(struct hda_codec *codec) { struct hdmi_spec *spec; spec = kzalloc(sizeof(*spec), GFP_KERNEL); if (spec == NULL) return -ENOMEM; spec->ops = generic_standard_hdmi_ops; codec->spec = spec; hdmi_array_init(spec, 4); if (is_haswell(codec)) { intel_haswell_enable_all_pins(codec, true); intel_haswell_fixup_enable_dp12(codec); } if (hdmi_parse_codec(codec) < 0) { codec->spec = NULL; kfree(spec); return -EINVAL; } codec->patch_ops = generic_hdmi_patch_ops; if (is_haswell(codec)) { codec->patch_ops.set_power_state = haswell_set_power_state; codec->dp_mst = true; } generic_hdmi_init_per_pins(codec); init_channel_allocations(); return 0; } /* * Shared non-generic implementations */ static int simple_playback_build_pcms(struct hda_codec *codec) { struct hdmi_spec *spec = codec->spec; struct hda_pcm *info; unsigned int chans; struct hda_pcm_stream *pstr; struct hdmi_spec_per_cvt *per_cvt; per_cvt = get_cvt(spec, 0); chans = get_wcaps(codec, per_cvt->cvt_nid); chans = get_wcaps_channels(chans); info = snd_array_new(&spec->pcm_rec); if (!info) return -ENOMEM; info->name = get_pin(spec, 0)->pcm_name; sprintf(info->name, "HDMI 0"); 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; codec->num_pcms = 1; codec->pcm_info = info; 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_spdif_out_ctls(codec, per_cvt->cvt_nid, per_cvt->cvt_nid); 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, 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->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->id) { case 0x10de0002: case 0x10de0003: case 0x10de0005: case 0x10de0006: chmap->channel_mask = (1U << 2) | (1U << 8); break; case 0x10de0007: chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8); } return 0; } static int patch_nvhdmi_8ch_7x(struct hda_codec *codec) { struct hdmi_spec *spec; int err = patch_nvhdmi_2ch(codec); if (err < 0) return err; spec = codec->spec; spec->multiout.max_channels = 8; spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x; codec->patch_ops.init = nvhdmi_7x_init_8ch; codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms; codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls; /* Initialize the audio infoframe channel mask and checksum to something * valid */ nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8); return 0; } /* * NVIDIA codecs ignore ASP mapping for 2ch - confirmed on: * - 0x10de0015 * - 0x10de0040 */ static int nvhdmi_chmap_cea_alloc_validate_get_type(struct cea_channel_speaker_allocation *cap, int channels) { if (cap->ca_index == 0x00 && channels == 2) return SNDRV_CTL_TLVT_CHMAP_FIXED; return hdmi_chmap_cea_alloc_validate_get_type(cap, channels); } static int nvhdmi_chmap_validate(int ca, int chs, unsigned char *map) { if (ca == 0x00 && (map[0] != SNDRV_CHMAP_FL || map[1] != SNDRV_CHMAP_FR)) return -EINVAL; return 0; } static int patch_nvhdmi(struct hda_codec *codec) { struct hdmi_spec *spec; int err; err = patch_generic_hdmi(codec); if (err) return err; spec = codec->spec; spec->ops.chmap_cea_alloc_validate_get_type = nvhdmi_chmap_cea_alloc_validate_get_type; spec->ops.chmap_validate = nvhdmi_chmap_validate; return 0; } /* * ATI/AMD-specific implementations */ #define is_amdhdmi_rev3_or_later(codec) \ ((codec)->vendor_id == 0x1002aa01 && ((codec)->revision_id & 0xff00) >= 0x0300) #define has_amd_full_remap_support(codec) is_amdhdmi_rev3_or_later(codec) /* ATI/AMD specific HDA pin verbs, see the AMD HDA Verbs specification */ #define ATI_VERB_SET_CHANNEL_ALLOCATION 0x771 #define ATI_VERB_SET_DOWNMIX_INFO 0x772 #define ATI_VERB_SET_MULTICHANNEL_01 0x777 #define ATI_VERB_SET_MULTICHANNEL_23 0x778 #define ATI_VERB_SET_MULTICHANNEL_45 0x779 #define ATI_VERB_SET_MULTICHANNEL_67 0x77a #define ATI_VERB_SET_HBR_CONTROL 0x77c #define ATI_VERB_SET_MULTICHANNEL_1 0x785 #define ATI_VERB_SET_MULTICHANNEL_3 0x786 #define ATI_VERB_SET_MULTICHANNEL_5 0x787 #define ATI_VERB_SET_MULTICHANNEL_7 0x788 #define ATI_VERB_SET_MULTICHANNEL_MODE 0x789 #define ATI_VERB_GET_CHANNEL_ALLOCATION 0xf71 #define ATI_VERB_GET_DOWNMIX_INFO 0xf72 #define ATI_VERB_GET_MULTICHANNEL_01 0xf77 #define ATI_VERB_GET_MULTICHANNEL_23 0xf78 #define ATI_VERB_GET_MULTICHANNEL_45 0xf79 #define ATI_VERB_GET_MULTICHANNEL_67 0xf7a #define ATI_VERB_GET_HBR_CONTROL 0xf7c #define ATI_VERB_GET_MULTICHANNEL_1 0xf85 #define ATI_VERB_GET_MULTICHANNEL_3 0xf86 #define ATI_VERB_GET_MULTICHANNEL_5 0xf87 #define ATI_VERB_GET_MULTICHANNEL_7 0xf88 #define ATI_VERB_GET_MULTICHANNEL_MODE 0xf89 /* AMD specific HDA cvt verbs */ #define ATI_VERB_SET_RAMP_RATE 0x770 #define ATI_VERB_GET_RAMP_RATE 0xf70 #define ATI_OUT_ENABLE 0x1 #define ATI_MULTICHANNEL_MODE_PAIRED 0 #define ATI_MULTICHANNEL_MODE_SINGLE 1 #define ATI_HBR_CAPABLE 0x01 #define ATI_HBR_ENABLE 0x10 static int atihdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid, unsigned char *buf, int *eld_size) { /* call hda_eld.c ATI/AMD-specific function */ return snd_hdmi_get_eld_ati(codec, nid, buf, eld_size, is_amdhdmi_rev3_or_later(codec)); } static void atihdmi_pin_setup_infoframe(struct hda_codec *codec, hda_nid_t pin_nid, int ca, int active_channels, int conn_type) { snd_hda_codec_write(codec, pin_nid, 0, ATI_VERB_SET_CHANNEL_ALLOCATION, ca); } static int atihdmi_paired_swap_fc_lfe(int pos) { /* * ATI/AMD have automatic FC/LFE swap built-in * when in pairwise mapping mode. */ switch (pos) { /* see channel_allocations[].speakers[] */ case 2: return 3; case 3: return 2; default: break; } return pos; } static int atihdmi_paired_chmap_validate(int ca, int chs, unsigned char *map) { struct cea_channel_speaker_allocation *cap; int i, j; /* check that only channel pairs need to be remapped on old pre-rev3 ATI/AMD */ cap = &channel_allocations[get_channel_allocation_order(ca)]; for (i = 0; i < chs; ++i) { int mask = to_spk_mask(map[i]); bool ok = false; bool companion_ok = false; if (!mask) continue; for (j = 0 + i % 2; j < 8; j += 2) { int chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j); if (cap->speakers[chan_idx] == mask) { /* channel is in a supported position */ ok = true; if (i % 2 == 0 && i + 1 < chs) { /* even channel, check the odd companion */ int comp_chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j + 1); int comp_mask_req = to_spk_mask(map[i+1]); int comp_mask_act = cap->speakers[comp_chan_idx]; if (comp_mask_req == comp_mask_act) companion_ok = true; else return -EINVAL; } break; } } if (!ok) return -EINVAL; if (companion_ok) i++; /* companion channel already checked */ } return 0; } static int atihdmi_pin_set_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid, int hdmi_slot, int stream_channel) { int verb; int ati_channel_setup = 0; if (hdmi_slot > 7) return -EINVAL; if (!has_amd_full_remap_support(codec)) { hdmi_slot = atihdmi_paired_swap_fc_lfe(hdmi_slot); /* In case this is an odd slot but without stream channel, do not * disable the slot since the corresponding even slot could have a * channel. In case neither have a channel, the slot pair will be * disabled when this function is called for the even slot. */ if (hdmi_slot % 2 != 0 && stream_channel == 0xf) return 0; hdmi_slot -= hdmi_slot % 2; if (stream_channel != 0xf) stream_channel -= stream_channel % 2; } verb = ATI_VERB_SET_MULTICHANNEL_01 + hdmi_slot/2 + (hdmi_slot % 2) * 0x00e; /* ati_channel_setup format: [7..4] = stream_channel_id, [1] = mute, [0] = enable */ if (stream_channel != 0xf) ati_channel_setup = (stream_channel << 4) | ATI_OUT_ENABLE; return snd_hda_codec_write(codec, pin_nid, 0, verb, ati_channel_setup); } static int atihdmi_pin_get_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid, int asp_slot) { bool was_odd = false; int ati_asp_slot = asp_slot; int verb; int ati_channel_setup; if (asp_slot > 7) return -EINVAL; if (!has_amd_full_remap_support(codec)) { ati_asp_slot = atihdmi_paired_swap_fc_lfe(asp_slot); if (ati_asp_slot % 2 != 0) { ati_asp_slot -= 1; was_odd = true; } } verb = ATI_VERB_GET_MULTICHANNEL_01 + ati_asp_slot/2 + (ati_asp_slot % 2) * 0x00e; ati_channel_setup = snd_hda_codec_read(codec, pin_nid, 0, verb, 0); if (!(ati_channel_setup & ATI_OUT_ENABLE)) return 0xf; return ((ati_channel_setup & 0xf0) >> 4) + !!was_odd; } static int atihdmi_paired_chmap_cea_alloc_validate_get_type(struct cea_channel_speaker_allocation *cap, int channels) { int c; /* * Pre-rev3 ATI/AMD codecs operate in a paired channel mode, so * we need to take that into account (a single channel may take 2 * channel slots if we need to carry a silent channel next to it). * On Rev3+ AMD codecs this function is not used. */ int chanpairs = 0; /* We only produce even-numbered channel count TLVs */ if ((channels % 2) != 0) return -1; for (c = 0; c < 7; c += 2) { if (cap->speakers[c] || cap->speakers[c+1]) chanpairs++; } if (chanpairs * 2 != channels) return -1; return SNDRV_CTL_TLVT_CHMAP_PAIRED; } static void atihdmi_paired_cea_alloc_to_tlv_chmap(struct cea_channel_speaker_allocation *cap, unsigned int *chmap, int channels) { /* produce paired maps for pre-rev3 ATI/AMD codecs */ int count = 0; int c; for (c = 7; c >= 0; c--) { int chan = 7 - atihdmi_paired_swap_fc_lfe(7 - c); int spk = cap->speakers[chan]; if (!spk) { /* add N/A channel if the companion channel is occupied */ if (cap->speakers[chan + (chan % 2 ? -1 : 1)]) chmap[count++] = SNDRV_CHMAP_NA; continue; } chmap[count++] = spk_to_chmap(spk); } WARN_ON(count != channels); } static int atihdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid, bool hbr) { int hbr_ctl, hbr_ctl_new; hbr_ctl = snd_hda_codec_read(codec, pin_nid, 0, ATI_VERB_GET_HBR_CONTROL, 0); if (hbr_ctl & ATI_HBR_CAPABLE) { if (hbr) hbr_ctl_new = hbr_ctl | ATI_HBR_ENABLE; else hbr_ctl_new = hbr_ctl & ~ATI_HBR_ENABLE; snd_printdd("atihdmi_pin_hbr_setup: " "NID=0x%x, %shbr-ctl=0x%x\n", pin_nid, hbr_ctl == hbr_ctl_new ? "" : "new-", hbr_ctl_new); if (hbr_ctl != hbr_ctl_new) snd_hda_codec_write(codec, pin_nid, 0, ATI_VERB_SET_HBR_CONTROL, hbr_ctl_new); } else if (hbr) return -EINVAL; return 0; } static int atihdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid, hda_nid_t pin_nid, u32 stream_tag, int format) { if (is_amdhdmi_rev3_or_later(codec)) { int ramp_rate = 180; /* default as per AMD spec */ /* disable ramp-up/down for non-pcm as per AMD spec */ if (format & AC_FMT_TYPE_NON_PCM) ramp_rate = 0; snd_hda_codec_write(codec, cvt_nid, 0, ATI_VERB_SET_RAMP_RATE, ramp_rate); } return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format); } static int atihdmi_init(struct hda_codec *codec) { struct hdmi_spec *spec = codec->spec; int pin_idx, err; err = generic_hdmi_init(codec); if (err) return err; for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); /* make sure downmix information in infoframe is zero */ snd_hda_codec_write(codec, per_pin->pin_nid, 0, ATI_VERB_SET_DOWNMIX_INFO, 0); /* enable channel-wise remap mode if supported */ if (has_amd_full_remap_support(codec)) snd_hda_codec_write(codec, per_pin->pin_nid, 0, ATI_VERB_SET_MULTICHANNEL_MODE, ATI_MULTICHANNEL_MODE_SINGLE); } return 0; } static int patch_atihdmi(struct hda_codec *codec) { struct hdmi_spec *spec; struct hdmi_spec_per_cvt *per_cvt; int err, cvt_idx; err = patch_generic_hdmi(codec); if (err) return err; codec->patch_ops.init = atihdmi_init; spec = codec->spec; spec->ops.pin_get_eld = atihdmi_pin_get_eld; spec->ops.pin_get_slot_channel = atihdmi_pin_get_slot_channel; spec->ops.pin_set_slot_channel = atihdmi_pin_set_slot_channel; spec->ops.pin_setup_infoframe = atihdmi_pin_setup_infoframe; spec->ops.pin_hbr_setup = atihdmi_pin_hbr_setup; spec->ops.setup_stream = atihdmi_setup_stream; if (!has_amd_full_remap_support(codec)) { /* override to ATI/AMD-specific versions with pairwise mapping */ spec->ops.chmap_cea_alloc_validate_get_type = atihdmi_paired_chmap_cea_alloc_validate_get_type; spec->ops.cea_alloc_to_tlv_chmap = atihdmi_paired_cea_alloc_to_tlv_chmap; spec->ops.chmap_validate = atihdmi_paired_chmap_validate; } /* ATI/AMD converters do not advertise all of their capabilities */ for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) { per_cvt = get_cvt(spec, cvt_idx); per_cvt->channels_max = max(per_cvt->channels_max, 8u); per_cvt->rates |= SUPPORTED_RATES; per_cvt->formats |= SUPPORTED_FORMATS; per_cvt->maxbps = max(per_cvt->maxbps, 24u); } spec->channels_max = max(spec->channels_max, 8u); return 0; } /* VIA HDMI Implementation */ #define VIAHDMI_CVT_NID 0x02 /* audio converter1 */ #define VIAHDMI_PIN_NID 0x03 /* HDMI output pin1 */ static int patch_via_hdmi(struct hda_codec *codec) { return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID); } /* * patch entries */ static const struct hda_codec_preset snd_hda_preset_hdmi[] = { { .id = 0x1002793c, .name = "RS600 HDMI", .patch = patch_atihdmi }, { .id = 0x10027919, .name = "RS600 HDMI", .patch = patch_atihdmi }, { .id = 0x1002791a, .name = "RS690/780 HDMI", .patch = patch_atihdmi }, { .id = 0x1002aa01, .name = "R6xx HDMI", .patch = patch_atihdmi }, { .id = 0x10951390, .name = "SiI1390 HDMI", .patch = patch_generic_hdmi }, { .id = 0x10951392, .name = "SiI1392 HDMI", .patch = patch_generic_hdmi }, { .id = 0x17e80047, .name = "Chrontel HDMI", .patch = patch_generic_hdmi }, { .id = 0x10de0002, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x }, { .id = 0x10de0003, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x }, { .id = 0x10de0005, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x }, { .id = 0x10de0006, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x }, { .id = 0x10de0007, .name = "MCP79/7A HDMI", .patch = patch_nvhdmi_8ch_7x }, { .id = 0x10de000a, .name = "GPU 0a HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de000b, .name = "GPU 0b HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de000c, .name = "MCP89 HDMI", .patch = patch_nvhdmi }, { .id = 0x10de000d, .name = "GPU 0d HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de0010, .name = "GPU 10 HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de0011, .name = "GPU 11 HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de0012, .name = "GPU 12 HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de0013, .name = "GPU 13 HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de0014, .name = "GPU 14 HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de0015, .name = "GPU 15 HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de0016, .name = "GPU 16 HDMI/DP", .patch = patch_nvhdmi }, /* 17 is known to be absent */ { .id = 0x10de0018, .name = "GPU 18 HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de0019, .name = "GPU 19 HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de001a, .name = "GPU 1a HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de001b, .name = "GPU 1b HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de001c, .name = "GPU 1c HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de0040, .name = "GPU 40 HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de0041, .name = "GPU 41 HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de0042, .name = "GPU 42 HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de0043, .name = "GPU 43 HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de0044, .name = "GPU 44 HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de0051, .name = "GPU 51 HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de0060, .name = "GPU 60 HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de0067, .name = "MCP67 HDMI", .patch = patch_nvhdmi_2ch }, { .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi_2ch }, { .id = 0x11069f80, .name = "VX900 HDMI/DP", .patch = patch_via_hdmi }, { .id = 0x11069f81, .name = "VX900 HDMI/DP", .patch = patch_via_hdmi }, { .id = 0x11069f84, .name = "VX11 HDMI/DP", .patch = patch_generic_hdmi }, { .id = 0x11069f85, .name = "VX11 HDMI/DP", .patch = patch_generic_hdmi }, { .id = 0x80860054, .name = "IbexPeak HDMI", .patch = patch_generic_hdmi }, { .id = 0x80862801, .name = "Bearlake HDMI", .patch = patch_generic_hdmi }, { .id = 0x80862802, .name = "Cantiga HDMI", .patch = patch_generic_hdmi }, { .id = 0x80862803, .name = "Eaglelake HDMI", .patch = patch_generic_hdmi }, { .id = 0x80862804, .name = "IbexPeak HDMI", .patch = patch_generic_hdmi }, { .id = 0x80862805, .name = "CougarPoint HDMI", .patch = patch_generic_hdmi }, { .id = 0x80862806, .name = "PantherPoint HDMI", .patch = patch_generic_hdmi }, { .id = 0x80862807, .name = "Haswell HDMI", .patch = patch_generic_hdmi }, { .id = 0x80862880, .name = "CedarTrail HDMI", .patch = patch_generic_hdmi }, { .id = 0x80862882, .name = "Valleyview2 HDMI", .patch = patch_generic_hdmi }, { .id = 0x808629fb, .name = "Crestline HDMI", .patch = patch_generic_hdmi }, {} /* terminator */ }; MODULE_ALIAS("snd-hda-codec-id:1002793c"); MODULE_ALIAS("snd-hda-codec-id:10027919"); MODULE_ALIAS("snd-hda-codec-id:1002791a"); MODULE_ALIAS("snd-hda-codec-id:1002aa01"); MODULE_ALIAS("snd-hda-codec-id:10951390"); MODULE_ALIAS("snd-hda-codec-id:10951392"); MODULE_ALIAS("snd-hda-codec-id:10de0002"); MODULE_ALIAS("snd-hda-codec-id:10de0003"); MODULE_ALIAS("snd-hda-codec-id:10de0005"); MODULE_ALIAS("snd-hda-codec-id:10de0006"); MODULE_ALIAS("snd-hda-codec-id:10de0007"); MODULE_ALIAS("snd-hda-codec-id:10de000a"); MODULE_ALIAS("snd-hda-codec-id:10de000b"); MODULE_ALIAS("snd-hda-codec-id:10de000c"); MODULE_ALIAS("snd-hda-codec-id:10de000d"); MODULE_ALIAS("snd-hda-codec-id:10de0010"); MODULE_ALIAS("snd-hda-codec-id:10de0011"); MODULE_ALIAS("snd-hda-codec-id:10de0012"); MODULE_ALIAS("snd-hda-codec-id:10de0013"); MODULE_ALIAS("snd-hda-codec-id:10de0014"); MODULE_ALIAS("snd-hda-codec-id:10de0015"); MODULE_ALIAS("snd-hda-codec-id:10de0016"); MODULE_ALIAS("snd-hda-codec-id:10de0018"); MODULE_ALIAS("snd-hda-codec-id:10de0019"); MODULE_ALIAS("snd-hda-codec-id:10de001a"); MODULE_ALIAS("snd-hda-codec-id:10de001b"); MODULE_ALIAS("snd-hda-codec-id:10de001c"); MODULE_ALIAS("snd-hda-codec-id:10de0040"); MODULE_ALIAS("snd-hda-codec-id:10de0041"); MODULE_ALIAS("snd-hda-codec-id:10de0042"); MODULE_ALIAS("snd-hda-codec-id:10de0043"); MODULE_ALIAS("snd-hda-codec-id:10de0044"); MODULE_ALIAS("snd-hda-codec-id:10de0051"); MODULE_ALIAS("snd-hda-codec-id:10de0060"); MODULE_ALIAS("snd-hda-codec-id:10de0067"); MODULE_ALIAS("snd-hda-codec-id:10de8001"); MODULE_ALIAS("snd-hda-codec-id:11069f80"); MODULE_ALIAS("snd-hda-codec-id:11069f81"); MODULE_ALIAS("snd-hda-codec-id:11069f84"); MODULE_ALIAS("snd-hda-codec-id:11069f85"); MODULE_ALIAS("snd-hda-codec-id:17e80047"); MODULE_ALIAS("snd-hda-codec-id:80860054"); MODULE_ALIAS("snd-hda-codec-id:80862801"); MODULE_ALIAS("snd-hda-codec-id:80862802"); MODULE_ALIAS("snd-hda-codec-id:80862803"); MODULE_ALIAS("snd-hda-codec-id:80862804"); MODULE_ALIAS("snd-hda-codec-id:80862805"); MODULE_ALIAS("snd-hda-codec-id:80862806"); MODULE_ALIAS("snd-hda-codec-id:80862807"); MODULE_ALIAS("snd-hda-codec-id:80862880"); MODULE_ALIAS("snd-hda-codec-id:80862882"); MODULE_ALIAS("snd-hda-codec-id:808629fb"); 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_preset_list intel_list = { .preset = snd_hda_preset_hdmi, .owner = THIS_MODULE, }; static int __init patch_hdmi_init(void) { return snd_hda_add_codec_preset(&intel_list); } static void __exit patch_hdmi_exit(void) { snd_hda_delete_codec_preset(&intel_list); } module_init(patch_hdmi_init) module_exit(patch_hdmi_exit)