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linux
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patch_hdmi.c
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Wu Fengguang
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Takashi Iwai
ALSA: hda - fix ELD memory leak
Nov 16, 2011
b95d68b
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Nov 16, 2011
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1968 lines (1667 loc) · 54.4 KB
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patch_hdmi.c
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/* * * patch_hdmi.c - routines for HDMI/DisplayPort codecs * * Copyright(c) 2008-2010 Intel Corporation. All rights reserved. * Copyright (c) 2006 ATI Technologies Inc. * Copyright (c) 2008 NVIDIA Corp. All rights reserved. * Copyright (c) 2008 Wei Ni <wni@nvidia.com> * * 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 "hda_codec.h" #include "hda_local.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"); /* * The HDMI/DisplayPort configuration can be highly dynamic. A graphics device * could support N independent pipes, each of them can be connected to one or * more ports (DVI, HDMI or DisplayPort). * * The HDA correspondence of pipes/ports are converter/pin nodes. */ #define MAX_HDMI_CVTS 4 #define MAX_HDMI_PINS 4 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; }; struct hdmi_spec_per_pin { hda_nid_t pin_nid; int num_mux_nids; hda_nid_t mux_nids[HDA_MAX_CONNECTIONS]; struct hdmi_eld sink_eld; }; struct hdmi_spec { int num_cvts; struct hdmi_spec_per_cvt cvts[MAX_HDMI_CVTS]; int num_pins; struct hdmi_spec_per_pin pins[MAX_HDMI_PINS]; struct hda_pcm pcm_rec[MAX_HDMI_PINS]; /* * Non-generic ATI/NVIDIA specific */ struct hda_multi_out multiout; const 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 */ 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 (spec->pins[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 (&spec->pcm_rec[pin_idx].stream[0] == 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 (spec->cvts[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; int pin_idx; spec = codec->spec; uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; pin_idx = kcontrol->private_value; uinfo->count = spec->pins[pin_idx].sink_eld.eld_size; 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; int pin_idx; spec = codec->spec; pin_idx = kcontrol->private_value; memcpy(ucontrol->value.bytes.data, spec->pins[pin_idx].sink_eld.eld_buffer, ELD_MAX_SIZE); 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, spec->pins[pin_idx].pin_nid, kctl); if (err < 0) return err; 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); /* Disable pin out until stream is active*/ snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, 0); } 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); } /* * 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]; } } } /* * 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->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; } } snd_print_channel_allocation(eld->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 int i; int slot; for (i = 0; i < 8; i++) { slot = snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_CHAN_SLOT, i); printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n", slot >> 4, slot & 0xf); } #endif } static void hdmi_setup_channel_mapping(struct hda_codec *codec, hda_nid_t pin_nid, int ca) { int i; int err; if (hdmi_channel_mapping[ca][1] == 0) { for (i = 0; i < channel_allocations[ca].channels; i++) hdmi_channel_mapping[ca][i] = i | (i << 4); for (; i < 8; i++) hdmi_channel_mapping[ca][i] = 0xf | (i << 4); } for (i = 0; i < 8; i++) { err = snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_CHAN_SLOT, hdmi_channel_mapping[ca][i]); if (err) { snd_printdd(KERN_NOTICE "HDMI: channel mapping failed\n"); break; } } hdmi_debug_channel_mapping(codec, pin_nid); } /* * 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_setup_audio_infoframe(struct hda_codec *codec, int pin_idx, struct snd_pcm_substream *substream) { struct hdmi_spec *spec = codec->spec; struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx]; hda_nid_t pin_nid = per_pin->pin_nid; int channels = substream->runtime->channels; struct hdmi_eld *eld; int ca; union audio_infoframe ai; eld = &spec->pins[pin_idx].sink_eld; if (!eld->monitor_present) return; ca = hdmi_channel_allocation(eld, channels); memset(&ai, 0, sizeof(ai)); if (eld->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 = channels - 1; hdmi_ai->CA = ca; hdmi_checksum_audio_infoframe(hdmi_ai); } else if (eld->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 = 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_setup_audio_infoframe: " "pin=%d channels=%d\n", pin_nid, channels); hdmi_setup_channel_mapping(codec, pin_nid, 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); } } /* * Unsolicited events */ static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid, struct hdmi_eld *eld); static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res) { struct hdmi_spec *spec = codec->spec; int pin_nid = res >> AC_UNSOL_RES_TAG_SHIFT; int pd = !!(res & AC_UNSOL_RES_PD); int eldv = !!(res & AC_UNSOL_RES_ELDV); int pin_idx; struct hdmi_eld *eld; printk(KERN_INFO "HDMI hot plug event: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n", codec->addr, pin_nid, pd, eldv); pin_idx = pin_nid_to_pin_index(spec, pin_nid); if (pin_idx < 0) return; eld = &spec->pins[pin_idx].sink_eld; hdmi_present_sense(codec, pin_nid, eld); /* * HDMI sink's ELD info cannot always be retrieved for now, e.g. * in console or for audio devices. Assume the highest speakers * configuration, to _not_ prohibit multi-channel audio playback. */ if (!eld->spk_alloc) eld->spk_alloc = 0xffff; } 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 PIN=%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) { struct hdmi_spec *spec = codec->spec; int tag = res >> AC_UNSOL_RES_TAG_SHIFT; int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT; if (pin_nid_to_pin_index(spec, tag) < 0) { 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); } /* * 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_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid, hda_nid_t pin_nid, u32 stream_tag, int format) { int pinctl; int new_pinctl = 0; 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 (is_hbr_format(format)) new_pinctl |= AC_PINCTL_EPT_HBR; else new_pinctl |= AC_PINCTL_EPT_NATIVE; snd_printdd("hdmi_setup_stream: " "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); } if (is_hbr_format(format) && !new_pinctl) { snd_printdd("hdmi_setup_stream: HBR is not supported\n"); return -EINVAL; } snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format); return 0; } /* * HDA PCM callbacks */ static int hdmi_pcm_open(struct hda_pcm_stream *hinfo, struct hda_codec *codec, struct snd_pcm_substream *substream) { struct hdmi_spec *spec = codec->spec; struct snd_pcm_runtime *runtime = substream->runtime; int pin_idx, cvt_idx, mux_idx = 0; struct hdmi_spec_per_pin *per_pin; struct hdmi_eld *eld; struct hdmi_spec_per_cvt *per_cvt = NULL; int pinctl; /* Validate hinfo */ pin_idx = hinfo_to_pin_index(spec, hinfo); if (snd_BUG_ON(pin_idx < 0)) return -EINVAL; per_pin = &spec->pins[pin_idx]; eld = &per_pin->sink_eld; /* Dynamically assign converter to stream */ for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) { per_cvt = &spec->cvts[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; /* Claim converter */ per_cvt->assigned = 1; hinfo->nid = per_cvt->cvt_nid; snd_hda_codec_write(codec, per_pin->pin_nid, 0, AC_VERB_SET_CONNECT_SEL, mux_idx); pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0); snd_hda_codec_write(codec, per_pin->pin_nid, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, pinctl | PIN_OUT); snd_hda_spdif_ctls_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, hinfo); if (hinfo->channels_min > hinfo->channels_max || !hinfo->rates || !hinfo->formats) 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 = &spec->pins[pin_idx]; hda_nid_t pin_nid = per_pin->pin_nid; if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) { snd_printk(KERN_WARNING "HDMI: pin %d wcaps %#x " "does not support connection list\n", pin_nid, get_wcaps(codec, pin_nid)); return -EINVAL; } per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid, per_pin->mux_nids, HDA_MAX_CONNECTIONS); return 0; } static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid, struct hdmi_eld *eld) { /* * 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 eld_valid = false; memset(eld, 0, offsetof(struct hdmi_eld, eld_buffer)); eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE); if (eld->monitor_present) eld_valid = !!(present & AC_PINSENSE_ELDV); printk(KERN_INFO "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n", codec->addr, pin_nid, eld->monitor_present, eld_valid); if (eld_valid) if (!snd_hdmi_get_eld(eld, codec, pin_nid)) snd_hdmi_show_eld(eld); snd_hda_input_jack_report(codec, pin_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_param_read(codec, pin_nid, AC_PAR_PIN_CAP); if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP))) return 0; config = snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0); if (get_defcfg_connect(config) == AC_JACK_PORT_NONE) return 0; if (snd_BUG_ON(spec->num_pins >= MAX_HDMI_PINS)) return -E2BIG; pin_idx = spec->num_pins; per_pin = &spec->pins[pin_idx]; per_pin->pin_nid = pin_nid; 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; int cvt_idx; struct hdmi_spec_per_cvt *per_cvt; unsigned int chans; int err; if (snd_BUG_ON(spec->num_cvts >= MAX_HDMI_CVTS)) return -E2BIG; chans = get_wcaps(codec, cvt_nid); chans = get_wcaps_channels(chans); cvt_idx = spec->num_cvts; per_cvt = &spec->cvts[cvt_idx]; per_cvt->cvt_nid = cvt_nid; per_cvt->channels_min = 2; if (chans <= 16) per_cvt->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; 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 = snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP); 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; } } /* * 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. */ #ifdef CONFIG_SND_HDA_POWER_SAVE 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 char *generic_hdmi_pcm_names[MAX_HDMI_PINS] = { "HDMI 0", "HDMI 1", "HDMI 2", "HDMI 3", }; /* * 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); hda_nid_t pin_nid = spec->pins[pin_idx].pin_nid; hdmi_set_channel_count(codec, cvt_nid, substream->runtime->channels); hdmi_setup_audio_infoframe(codec, pin_idx, substream); return hdmi_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) { struct hdmi_spec *spec = codec->spec; int cvt_idx, pin_idx; struct hdmi_spec_per_cvt *per_cvt; struct hdmi_spec_per_pin *per_pin; int pinctl; snd_hda_codec_cleanup_stream(codec, hinfo->nid); if (hinfo->nid) { cvt_idx = cvt_nid_to_cvt_index(spec, hinfo->nid); if (snd_BUG_ON(cvt_idx < 0)) return -EINVAL; per_cvt = &spec->cvts[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 = &spec->pins[pin_idx]; pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0); snd_hda_codec_write(codec, per_pin->pin_nid, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, pinctl & ~PIN_OUT); snd_hda_spdif_ctls_unassign(codec, pin_idx); } return 0; } static const struct hda_pcm_ops generic_ops = { .open = hdmi_pcm_open, .prepare = generic_hdmi_playback_pcm_prepare, .cleanup = generic_hdmi_playback_pcm_cleanup, }; static int generic_hdmi_build_pcms(struct hda_codec *codec) { struct hdmi_spec *spec = codec->spec; int pin_idx; for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { struct hda_pcm *info; struct hda_pcm_stream *pstr; info = &spec->pcm_rec[pin_idx]; info->name = generic_hdmi_pcm_names[pin_idx]; info->pcm_type = HDA_PCM_TYPE_HDMI; 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; return 0; } static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx) { int err; char hdmi_str[32]; struct hdmi_spec *spec = codec->spec; struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx]; int pcmdev = spec->pcm_rec[pin_idx].device; snprintf(hdmi_str, sizeof(hdmi_str), "HDMI/DP,pcm=%d", pcmdev); err = snd_hda_input_jack_add(codec, per_pin->pin_nid, SND_JACK_VIDEOOUT, pcmdev > 0 ? hdmi_str : NULL); if (err < 0) return err; hdmi_present_sense(codec, per_pin->pin_nid, &per_pin->sink_eld); return 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 = &spec->pins[pin_idx]; err = generic_hdmi_build_jack(codec, pin_idx); if (err < 0) return err; err = snd_hda_create_spdif_out_ctls(codec, per_pin->pin_nid, per_pin->mux_nids[0]); 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, spec->pcm_rec[pin_idx].device); if (err < 0) return err; } 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 = &spec->pins[pin_idx]; hda_nid_t pin_nid = per_pin->pin_nid; struct hdmi_eld *eld = &per_pin->sink_eld; hdmi_init_pin(codec, pin_nid); snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN | pin_nid); snd_hda_eld_proc_new(codec, eld, pin_idx); } return 0; } 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 = &spec->pins[pin_idx]; struct hdmi_eld *eld = &per_pin->sink_eld; snd_hda_eld_proc_free(codec, eld); } snd_hda_input_jack_free(codec); kfree(spec); } 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, }; static int patch_generic_hdmi(struct hda_codec *codec) { struct hdmi_spec *spec; spec = kzalloc(sizeof(*spec), GFP_KERNEL); if (spec == NULL) return -ENOMEM; codec->spec = spec; if (hdmi_parse_codec(codec) < 0) { codec->spec = NULL; kfree(spec); return -EINVAL; } codec->patch_ops = generic_hdmi_patch_ops; 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 = spec->pcm_rec; int i; codec->num_pcms = spec->num_cvts; codec->pcm_info = info; for (i = 0; i < codec->num_pcms; i++, info++) { unsigned int chans; struct hda_pcm_stream *pstr; chans = get_wcaps(codec, spec->cvts[i].cvt_nid); chans = get_wcaps_channels(chans); info->name = generic_hdmi_pcm_names[i]; info->pcm_type = HDA_PCM_TYPE_HDMI; pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK]; snd_BUG_ON(!spec->pcm_playback); *pstr = *spec->pcm_playback; pstr->nid = spec->cvts[i].cvt_nid; if (pstr->channels_max <= 2 && chans && chans <= 16) pstr->channels_max = chans; } return 0; } static int simple_playback_build_controls(struct hda_codec *codec) { struct hdmi_spec *spec = codec->spec; int err; int i; for (i = 0; i < codec->num_pcms; i++) { err = snd_hda_create_spdif_out_ctls(codec, spec->cvts[i].cvt_nid, spec->cvts[i].cvt_nid); if (err < 0) return err; } return 0; } static void simple_playback_free(struct hda_codec *codec) { struct hdmi_spec *spec = codec->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[] = { /* 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(struct hda_codec *codec) { snd_hda_sequence_write(codec, nvhdmi_basic_init_7x); 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 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 = snd_hda_spdif_out_of_nid(codec, spec->cvts[0].cvt_nid); mutex_lock(&codec->spdif_mutex); 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 const struct hda_pcm_stream nvhdmi_pcm_playback_2ch = { .substreams = 1, .channels_min = 2, .channels_max = 2, .nid = nvhdmi_master_con_nid_7x, .rates = SUPPORTED_RATES, .maxbps = SUPPORTED_MAXBPS, .formats = SUPPORTED_FORMATS, .ops = { .open = simple_playback_pcm_open, .close = simple_playback_pcm_close, .prepare = simple_playback_pcm_prepare }, }; static const struct hda_codec_ops nvhdmi_patch_ops_8ch_7x = { .build_controls = simple_playback_build_controls, .build_pcms = simple_playback_build_pcms, .init = nvhdmi_7x_init, .free = simple_playback_free, }; static const struct hda_codec_ops nvhdmi_patch_ops_2ch = { .build_controls = simple_playback_build_controls, .build_pcms = simple_playback_build_pcms, .init = nvhdmi_7x_init, .free = simple_playback_free, }; static int patch_nvhdmi_2ch(struct hda_codec *codec) { struct hdmi_spec *spec; spec = kzalloc(sizeof(*spec), GFP_KERNEL); if (spec == NULL) return -ENOMEM; codec->spec = spec; spec->multiout.num_dacs = 0; /* no analog */ spec->multiout.max_channels = 2; spec->multiout.dig_out_nid = nvhdmi_master_con_nid_7x; spec->num_cvts = 1; spec->cvts[0].cvt_nid = nvhdmi_master_con_nid_7x; spec->pcm_playback = &nvhdmi_pcm_playback_2ch; codec->patch_ops = nvhdmi_patch_ops_2ch; 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 = nvhdmi_patch_ops_8ch_7x; /* Initialize the audio infoframe channel mask and checksum to something * valid */ nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8); return 0; } /* * ATI-specific implementations * * FIXME: we may omit the whole this and use the generic code once after * it's confirmed to work. */ #define ATIHDMI_CVT_NID 0x02 /* audio converter */ #define ATIHDMI_PIN_NID 0x03 /* HDMI output pin */ static int atihdmi_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; int chans = substream->runtime->channels; int i, err; err = simple_playback_pcm_prepare(hinfo, codec, stream_tag, format, substream); if (err < 0) return err; snd_hda_codec_write(codec, spec->cvts[0].cvt_nid, 0, AC_VERB_SET_CVT_CHAN_COUNT, chans - 1); /* FIXME: XXX */ for (i = 0; i < chans; i++) { snd_hda_codec_write(codec, spec->cvts[0].cvt_nid, 0, AC_VERB_SET_HDMI_CHAN_SLOT, (i << 4) | i); } return 0; } static const struct hda_pcm_stream atihdmi_pcm_digital_playback = { .substreams = 1, .channels_min = 2, .channels_max = 2, .nid = ATIHDMI_CVT_NID, .ops = { .open = simple_playback_pcm_open, .close = simple_playback_pcm_close, .prepare = atihdmi_playback_pcm_prepare }, }; static const struct hda_verb atihdmi_basic_init[] = { /* enable digital output on pin widget */ { 0x03, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT }, {} /* terminator */ }; static int atihdmi_init(struct hda_codec *codec) { struct hdmi_spec *spec = codec->spec; snd_hda_sequence_write(codec, atihdmi_basic_init); /* SI codec requires to unmute the pin */ if (get_wcaps(codec, spec->pins[0].pin_nid) & AC_WCAP_OUT_AMP) snd_hda_codec_write(codec, spec->pins[0].pin_nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE); return 0; } static const struct hda_codec_ops atihdmi_patch_ops = { .build_controls = simple_playback_build_controls, .build_pcms = simple_playback_build_pcms, .init = atihdmi_init, .free = simple_playback_free, }; static int patch_atihdmi(struct hda_codec *codec) { struct hdmi_spec *spec; spec = kzalloc(sizeof(*spec), GFP_KERNEL); if (spec == NULL) return -ENOMEM; codec->spec = spec; spec->multiout.num_dacs = 0; /* no analog */ spec->multiout.max_channels = 2; spec->multiout.dig_out_nid = ATIHDMI_CVT_NID; spec->num_cvts = 1; spec->cvts[0].cvt_nid = ATIHDMI_CVT_NID; spec->pins[0].pin_nid = ATIHDMI_PIN_NID; spec->pcm_playback = &atihdmi_pcm_digital_playback; codec->patch_ops = atihdmi_patch_ops; return 0; } /* * 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_generic_hdmi }, { .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_generic_hdmi }, { .id = 0x10de000b, .name = "GPU 0b HDMI/DP", .patch = patch_generic_hdmi }, { .id = 0x10de000c, .name = "MCP89 HDMI", .patch = patch_generic_hdmi }, { .id = 0x10de000d, .name = "GPU 0d HDMI/DP", .patch = patch_generic_hdmi }, { .id = 0x10de0010, .name = "GPU 10 HDMI/DP", .patch = patch_generic_hdmi }, { .id = 0x10de0011, .name = "GPU 11 HDMI/DP", .patch = patch_generic_hdmi }, { .id = 0x10de0012, .name = "GPU 12 HDMI/DP", .patch = patch_generic_hdmi }, { .id = 0x10de0013, .name = "GPU 13 HDMI/DP", .patch = patch_generic_hdmi }, { .id = 0x10de0014, .name = "GPU 14 HDMI/DP", .patch = patch_generic_hdmi }, { .id = 0x10de0015, .name = "GPU 15 HDMI/DP", .patch = patch_generic_hdmi }, { .id = 0x10de0016, .name = "GPU 16 HDMI/DP", .patch = patch_generic_hdmi }, /* 17 is known to be absent */ { .id = 0x10de0018, .name = "GPU 18 HDMI/DP", .patch = patch_generic_hdmi }, { .id = 0x10de0019, .name = "GPU 19 HDMI/DP", .patch = patch_generic_hdmi }, { .id = 0x10de001a, .name = "GPU 1a HDMI/DP", .patch = patch_generic_hdmi }, { .id = 0x10de001b, .name = "GPU 1b HDMI/DP", .patch = patch_generic_hdmi }, { .id = 0x10de001c, .name = "GPU 1c HDMI/DP", .patch = patch_generic_hdmi }, { .id = 0x10de0040, .name = "GPU 40 HDMI/DP", .patch = patch_generic_hdmi }, { .id = 0x10de0041, .name = "GPU 41 HDMI/DP", .patch = patch_generic_hdmi }, { .id = 0x10de0042, .name = "GPU 42 HDMI/DP", .patch = patch_generic_hdmi }, { .id = 0x10de0043, .name = "GPU 43 HDMI/DP", .patch = patch_generic_hdmi }, { .id = 0x10de0044, .name = "GPU 44 HDMI/DP", .patch = patch_generic_hdmi }, { .id = 0x10de0067, .name = "MCP67 HDMI", .patch = patch_nvhdmi_2ch }, { .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi_2ch }, { .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 = 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:10de0067"); MODULE_ALIAS("snd-hda-codec-id:10de8001"); 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: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)
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