| /* |
| * |
| * patch_hdmi.c - routines for HDMI/DisplayPort codecs |
| * |
| * Copyright(c) 2008-2010 Intel Corporation. All rights reserved. |
| * Copyright (c) 2006 ATI Technologies Inc. |
| * Copyright (c) 2008 NVIDIA Corp. All rights reserved. |
| * Copyright (c) 2008 Wei Ni <wni@nvidia.com> |
| * Copyright (c) 2013 Anssi Hannula <anssi.hannula@iki.fi> |
| * |
| * Authors: |
| * Wu Fengguang <wfg@linux.intel.com> |
| * |
| * Maintained by: |
| * Wu Fengguang <wfg@linux.intel.com> |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the Free |
| * Software Foundation; either version 2 of the License, or (at your option) |
| * any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software Foundation, |
| * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| */ |
| |
| #include <linux/init.h> |
| #include <linux/delay.h> |
| #include <linux/slab.h> |
| #include <linux/module.h> |
| #include <sound/core.h> |
| #include <sound/jack.h> |
| #include <sound/asoundef.h> |
| #include <sound/tlv.h> |
| #include "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 bool 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; |
| |
| if (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 bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll) |
| { |
| struct hda_codec *codec = per_pin->codec; |
| struct hdmi_spec *spec = codec->spec; |
| 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; |
| bool ret; |
| |
| 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: |
| if ((codec->vendor_id & 0xffff0000) == 0x10020000) |
| ret = true; /* AMD codecs create ELD by itself */ |
| else |
| ret = !repoll || !pin_eld->monitor_present || pin_eld->eld_valid; |
| mutex_unlock(&per_pin->lock); |
| return ret; |
| } |
| |
| static void hdmi_repoll_eld(struct work_struct *work) |
| { |
| struct hdmi_spec_per_pin *per_pin = |
| container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work); |
| |
| if (per_pin->repoll_count++ > 6) |
| per_pin->repoll_count = 0; |
| |
| if (hdmi_present_sense(per_pin, per_pin->repoll_count)) |
| snd_hda_jack_report_sync(per_pin->codec); |
| } |
| |
| static void intel_haswell_fixup_connect_list(struct hda_codec *codec, |
| hda_nid_t nid); |
| |
| static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid) |
| { |
| struct hdmi_spec *spec = codec->spec; |
| unsigned int caps, config; |
| int pin_idx; |
| struct hdmi_spec_per_pin *per_pin; |
| int err; |
| |
| caps = snd_hda_query_pin_caps(codec, pin_nid); |
| if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP))) |
| return 0; |
| |
| config = snd_hda_codec_get_pincfg(codec, pin_nid); |
| if (get_defcfg_connect(config) == AC_JACK_PORT_NONE) |
| return 0; |
| |
| if (is_haswell(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) |