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-rw-r--r--sound/pci/hda/patch_intelhdmi.c718
1 files changed, 0 insertions, 718 deletions
diff --git a/sound/pci/hda/patch_intelhdmi.c b/sound/pci/hda/patch_intelhdmi.c
deleted file mode 100644
index fcc77fec448..00000000000
--- a/sound/pci/hda/patch_intelhdmi.c
+++ /dev/null
@@ -1,718 +0,0 @@
-/*
- *
- * patch_intelhdmi.c - Patch for Intel HDMI codecs
- *
- * Copyright(c) 2008 Intel Corporation. All rights reserved.
- *
- * Authors:
- * Jiang Zhe <zhe.jiang@intel.com>
- * 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 <sound/core.h>
-#include "hda_codec.h"
-#include "hda_local.h"
-
-#define CVT_NID 0x02 /* audio converter */
-#define PIN_NID 0x03 /* HDMI output pin */
-
-#define INTEL_HDMI_EVENT_TAG 0x08
-
-struct intel_hdmi_spec {
- struct hda_multi_out multiout;
- struct hda_pcm pcm_rec;
- struct hdmi_eld sink_eld;
-};
-
-static struct hda_verb pinout_enable_verb[] = {
- {PIN_NID, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT},
- {} /* terminator */
-};
-
-static struct hda_verb unsolicited_response_verb[] = {
- {PIN_NID, AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN |
- INTEL_HDMI_EVENT_TAG},
- {}
-};
-
-static struct hda_verb def_chan_map[] = {
- {CVT_NID, AC_VERB_SET_HDMI_CHAN_SLOT, 0x00},
- {CVT_NID, AC_VERB_SET_HDMI_CHAN_SLOT, 0x11},
- {CVT_NID, AC_VERB_SET_HDMI_CHAN_SLOT, 0x22},
- {CVT_NID, AC_VERB_SET_HDMI_CHAN_SLOT, 0x33},
- {CVT_NID, AC_VERB_SET_HDMI_CHAN_SLOT, 0x44},
- {CVT_NID, AC_VERB_SET_HDMI_CHAN_SLOT, 0x55},
- {CVT_NID, AC_VERB_SET_HDMI_CHAN_SLOT, 0x66},
- {CVT_NID, AC_VERB_SET_HDMI_CHAN_SLOT, 0x77},
- {}
-};
-
-
-struct hdmi_audio_infoframe {
- u8 type; /* 0x84 */
- u8 ver; /* 0x01 */
- u8 len; /* 0x0a */
-
- u8 checksum; /* PB0 */
- u8 CC02_CT47; /* CC in bits 0:2, CT in 4:7 */
- u8 SS01_SF24;
- u8 CXT04;
- u8 CA;
- u8 LFEPBL01_LSV36_DM_INH7;
- u8 reserved[5]; /* PB6 - PB10 */
-};
-
-/*
- * 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;
-};
-
-/*
- * This is an ordered list!
- *
- * The preceding ones have better chances to be selected by
- * hdmi_setup_channel_allocation().
- */
-static struct cea_channel_speaker_allocation channel_allocations[] = {
-/* channel: 8 7 6 5 4 3 2 1 */
-{ .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 } },
-{ .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 = 0x08, .speakers = { 0, 0, RR, RL, 0, 0, FR, FL } },
-{ .ca_index = 0x09, .speakers = { 0, 0, RR, RL, 0, LFE, FR, FL } },
-{ .ca_index = 0x0a, .speakers = { 0, 0, RR, RL, FC, 0, FR, FL } },
- /* 5.1 */
-{ .ca_index = 0x0b, .speakers = { 0, 0, RR, RL, 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 } },
- /* 6.1 */
-{ .ca_index = 0x0f, .speakers = { 0, RC, RR, RL, FC, LFE, 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 } },
- /* 7.1 */
-{ .ca_index = 0x13, .speakers = { RRC, RLC, RR, RL, FC, LFE, 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
- */
-
-#ifdef BE_PARANOID
-static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t nid,
- int *packet_index, int *byte_index)
-{
- int val;
-
- val = snd_hda_codec_read(codec, 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 nid,
- int packet_index, int byte_index)
-{
- int val;
-
- val = (packet_index << 5) | (byte_index & 0x1f);
-
- snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
-}
-
-static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t nid,
- unsigned char val)
-{
- snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
-}
-
-static void hdmi_enable_output(struct hda_codec *codec)
-{
- /* Unmute */
- if (get_wcaps(codec, PIN_NID) & AC_WCAP_OUT_AMP)
- snd_hda_codec_write(codec, PIN_NID, 0,
- AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
- /* Enable pin out */
- snd_hda_sequence_write(codec, pinout_enable_verb);
-}
-
-/*
- * Enable Audio InfoFrame Transmission
- */
-static void hdmi_start_infoframe_trans(struct hda_codec *codec)
-{
- 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)
-{
- 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 int hdmi_get_channel_count(struct hda_codec *codec)
-{
- 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, int chs)
-{
- snd_hda_codec_write(codec, CVT_NID, 0,
- AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
-
- if (chs != hdmi_get_channel_count(codec))
- snd_printd(KERN_INFO "HDMI channel count: expect %d, get %d\n",
- chs, hdmi_get_channel_count(codec));
-}
-
-static void hdmi_debug_channel_mapping(struct hda_codec *codec)
-{
-#ifdef CONFIG_SND_DEBUG_VERBOSE
- int i;
- int slot;
-
- for (i = 0; i < 8; i++) {
- slot = snd_hda_codec_read(codec, CVT_NID, 0,
- AC_VERB_GET_HDMI_CHAN_SLOT, i);
- printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n",
- slot >> 4, slot & 0x7);
- }
-#endif
-}
-
-static void hdmi_parse_eld(struct hda_codec *codec)
-{
- struct intel_hdmi_spec *spec = codec->spec;
- struct hdmi_eld *eld = &spec->sink_eld;
-
- if (!snd_hdmi_get_eld(eld, codec, PIN_NID))
- snd_hdmi_show_eld(eld);
-}
-
-
-/*
- * Audio InfoFrame routines
- */
-
-static void hdmi_debug_dip_size(struct hda_codec *codec)
-{
-#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)
-{
-#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_fill_audio_infoframe(struct hda_codec *codec,
- struct hdmi_audio_infoframe *ai)
-{
- u8 *params = (u8 *)ai;
- u8 sum = 0;
- int i;
-
- hdmi_debug_dip_size(codec);
- hdmi_clear_dip_buffers(codec); /* be paranoid */
-
- for (i = 0; i < sizeof(ai); i++)
- sum += params[i];
- ai->checksum = - sum;
-
- hdmi_set_dip_index(codec, PIN_NID, 0x0, 0x0);
- for (i = 0; i < sizeof(ai); i++)
- hdmi_write_dip_byte(codec, PIN_NID, params[i]);
-}
-
-/*
- * 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_setup_channel_allocation(struct hda_codec *codec,
- struct hdmi_audio_infoframe *ai)
-{
- struct intel_hdmi_spec *spec = codec->spec;
- struct hdmi_eld *eld = &spec->sink_eld;
- int i;
- int spk_mask = 0;
- int channels = 1 + (ai->CC02_CT47 & 0x7);
- char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
-
- /*
- * CA defaults to 0 for basic stereo audio
- */
- if (channels <= 2)
- return 0;
-
- /*
- * 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;
-
- /*
- * 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) {
- ai->CA = channel_allocations[i].ca_index;
- break;
- }
- }
-
- snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf));
- snd_printdd(KERN_INFO
- "HDMI: select CA 0x%x for %d-channel allocation: %s\n",
- ai->CA, channels, buf);
-
- return ai->CA;
-}
-
-static void hdmi_setup_channel_mapping(struct hda_codec *codec,
- struct hdmi_audio_infoframe *ai)
-{
- if (!ai->CA)
- return;
-
- /*
- * TODO: adjust channel mapping if necessary
- * ALSA sequence is front/surr/clfe/side?
- */
-
- snd_hda_sequence_write(codec, def_chan_map);
- hdmi_debug_channel_mapping(codec);
-}
-
-
-static void hdmi_setup_audio_infoframe(struct hda_codec *codec,
- struct snd_pcm_substream *substream)
-{
- struct hdmi_audio_infoframe ai = {
- .type = 0x84,
- .ver = 0x01,
- .len = 0x0a,
- .CC02_CT47 = substream->runtime->channels - 1,
- };
-
- hdmi_setup_channel_allocation(codec, &ai);
- hdmi_setup_channel_mapping(codec, &ai);
-
- hdmi_fill_audio_infoframe(codec, &ai);
- hdmi_start_infoframe_trans(codec);
-}
-
-
-/*
- * Unsolicited events
- */
-
-static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
-{
- int pind = !!(res & AC_UNSOL_RES_PD);
- int eldv = !!(res & AC_UNSOL_RES_ELDV);
-
- printk(KERN_INFO
- "HDMI hot plug event: Presence_Detect=%d ELD_Valid=%d\n",
- pind, eldv);
-
- if (pind && eldv) {
- hdmi_parse_eld(codec);
- /* TODO: do real things about ELD */
- }
-}
-
-static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
-{
- 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 content protection event: SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
- subtag,
- cp_state,
- cp_ready);
-
- /* TODO */
- if (cp_state)
- ;
- if (cp_ready)
- ;
-}
-
-
-static void intel_hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
-{
- int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
- int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
-
- if (tag != INTEL_HDMI_EVENT_TAG) {
- snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag);
- return;
- }
-
- if (subtag == 0)
- hdmi_intrinsic_event(codec, res);
- else
- hdmi_non_intrinsic_event(codec, res);
-}
-
-/*
- * Callbacks
- */
-
-static int intel_hdmi_playback_pcm_open(struct hda_pcm_stream *hinfo,
- struct hda_codec *codec,
- struct snd_pcm_substream *substream)
-{
- struct intel_hdmi_spec *spec = codec->spec;
-
- return snd_hda_multi_out_dig_open(codec, &spec->multiout);
-}
-
-static int intel_hdmi_playback_pcm_close(struct hda_pcm_stream *hinfo,
- struct hda_codec *codec,
- struct snd_pcm_substream *substream)
-{
- struct intel_hdmi_spec *spec = codec->spec;
-
- hdmi_stop_infoframe_trans(codec);
-
- return snd_hda_multi_out_dig_close(codec, &spec->multiout);
-}
-
-static int intel_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)
-{
- struct intel_hdmi_spec *spec = codec->spec;
-
- snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag,
- format, substream);
-
- hdmi_set_channel_count(codec, substream->runtime->channels);
-
- hdmi_setup_audio_infoframe(codec, substream);
-
- return 0;
-}
-
-static struct hda_pcm_stream intel_hdmi_pcm_playback = {
- .substreams = 1,
- .channels_min = 2,
- .channels_max = 8,
- .nid = CVT_NID, /* NID to query formats and rates and setup streams */
- .ops = {
- .open = intel_hdmi_playback_pcm_open,
- .close = intel_hdmi_playback_pcm_close,
- .prepare = intel_hdmi_playback_pcm_prepare
- },
-};
-
-static int intel_hdmi_build_pcms(struct hda_codec *codec)
-{
- struct intel_hdmi_spec *spec = codec->spec;
- struct hda_pcm *info = &spec->pcm_rec;
-
- codec->num_pcms = 1;
- codec->pcm_info = info;
-
- info->name = "INTEL HDMI";
- info->pcm_type = HDA_PCM_TYPE_HDMI;
- info->stream[SNDRV_PCM_STREAM_PLAYBACK] = intel_hdmi_pcm_playback;
-
- return 0;
-}
-
-static int intel_hdmi_build_controls(struct hda_codec *codec)
-{
- struct intel_hdmi_spec *spec = codec->spec;
- int err;
-
- err = snd_hda_create_spdif_out_ctls(codec, spec->multiout.dig_out_nid);
- if (err < 0)
- return err;
-
- return 0;
-}
-
-static int intel_hdmi_init(struct hda_codec *codec)
-{
- hdmi_enable_output(codec);
-
- snd_hda_sequence_write(codec, unsolicited_response_verb);
-
- return 0;
-}
-
-static void intel_hdmi_free(struct hda_codec *codec)
-{
- struct intel_hdmi_spec *spec = codec->spec;
-
- snd_hda_eld_proc_free(codec, &spec->sink_eld);
- kfree(spec);
-}
-
-static struct hda_codec_ops intel_hdmi_patch_ops = {
- .init = intel_hdmi_init,
- .free = intel_hdmi_free,
- .build_pcms = intel_hdmi_build_pcms,
- .build_controls = intel_hdmi_build_controls,
- .unsol_event = intel_hdmi_unsol_event,
-};
-
-static int patch_intel_hdmi(struct hda_codec *codec)
-{
- struct intel_hdmi_spec *spec;
-
- spec = kzalloc(sizeof(*spec), GFP_KERNEL);
- if (spec == NULL)
- return -ENOMEM;
-
- spec->multiout.num_dacs = 0; /* no analog */
- spec->multiout.max_channels = 8;
- spec->multiout.dig_out_nid = CVT_NID;
-
- codec->spec = spec;
- codec->patch_ops = intel_hdmi_patch_ops;
-
- snd_hda_eld_proc_new(codec, &spec->sink_eld);
-
- init_channel_allocations();
-
- return 0;
-}
-
-static struct hda_codec_preset snd_hda_preset_intelhdmi[] = {
- { .id = 0x808629fb, .name = "G45 DEVCL", .patch = patch_intel_hdmi },
- { .id = 0x80862801, .name = "G45 DEVBLC", .patch = patch_intel_hdmi },
- { .id = 0x80862802, .name = "G45 DEVCTG", .patch = patch_intel_hdmi },
- { .id = 0x80862803, .name = "G45 DEVELK", .patch = patch_intel_hdmi },
- { .id = 0x80862804, .name = "G45 DEVIBX", .patch = patch_intel_hdmi },
- { .id = 0x10951392, .name = "SiI1392 HDMI", .patch = patch_intel_hdmi },
- {} /* terminator */
-};
-
-MODULE_ALIAS("snd-hda-codec-id:808629fb");
-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:10951392");
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Intel HDMI HD-audio codec");
-
-static struct hda_codec_preset_list intel_list = {
- .preset = snd_hda_preset_intelhdmi,
- .owner = THIS_MODULE,
-};
-
-static int __init patch_intelhdmi_init(void)
-{
- return snd_hda_add_codec_preset(&intel_list);
-}
-
-static void __exit patch_intelhdmi_exit(void)
-{
- snd_hda_delete_codec_preset(&intel_list);
-}
-
-module_init(patch_intelhdmi_init)
-module_exit(patch_intelhdmi_exit)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-12 00:32:23 +0000