/sound/pci/hda/patch_hdmi.c
C | 1799 lines | 1291 code | 276 blank | 232 comment | 141 complexity | 73a9808dd5b86171deac09c5bc1f22d1 MD5 | raw file
- /*
- *
- * 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/moduleparam.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;
- }
- #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);
- memset(eld, 0, sizeof(*eld));
- eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
- if (eld->monitor_present)
- eld->eld_valid = !!(present & AC_PINSENSE_ELDV);
- else
- eld->eld_valid = 0;
- printk(KERN_INFO
- "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
- codec->addr, pin_nid, eld->monitor_present, eld->eld_valid);
- if (eld->eld_valid)
- if (!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;
- struct hdmi_eld *eld;
- 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];
- eld = &per_pin->sink_eld;
- per_pin->pin_nid = pin_nid;
- err = snd_hda_input_jack_add(codec, pin_nid,
- SND_JACK_VIDEOOUT, NULL);
- if (err < 0)
- return err;
- err = hdmi_read_pin_conn(codec, pin_idx);
- if (err < 0)
- return err;
- spec->num_pins++;
- hdmi_present_sense(codec, pin_nid, eld);
- 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_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 = 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);
- }
- 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 dataDCC1, 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;
- dataDCC1 = AC_DIG1_ENABLE | AC_DIG1_COPYRIGHT;
- 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_generi