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authorSubhransu S. Prusty <subhransu.s.prusty@intel.com>2016-03-04 09:29:51 -0500
committerTakashi Iwai <tiwai@suse.de>2016-03-07 09:45:29 -0500
commit2f6e8a8518f33b6fac1fb9c79d245e23b6f9b765 (patch)
treeff54c117e8d756aaab29694c4a24440622be80d2 /sound/pci/hda/patch_hdmi.c
parent828cb4edd8074d35f814e03bee3e2ad8b7d8f64b (diff)
ALSA: hda - Move chmap support helpers/ops to core
Chmap helpers, ops, controls are moved to core. Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda/patch_hdmi.c')
-rw-r--r--sound/pci/hda/patch_hdmi.c689
1 files changed, 1 insertions, 688 deletions
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 3718b41f4b60..bdfa045f28af 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -198,164 +198,6 @@ union audio_infoframe {
198}; 198};
199 199
200/* 200/*
201 * CEA speaker placement:
202 *
203 * FLH FCH FRH
204 * FLW FL FLC FC FRC FR FRW
205 *
206 * LFE
207 * TC
208 *
209 * RL RLC RC RRC RR
210 *
211 * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
212 * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
213 */
214enum cea_speaker_placement {
215 FL = (1 << 0), /* Front Left */
216 FC = (1 << 1), /* Front Center */
217 FR = (1 << 2), /* Front Right */
218 FLC = (1 << 3), /* Front Left Center */
219 FRC = (1 << 4), /* Front Right Center */
220 RL = (1 << 5), /* Rear Left */
221 RC = (1 << 6), /* Rear Center */
222 RR = (1 << 7), /* Rear Right */
223 RLC = (1 << 8), /* Rear Left Center */
224 RRC = (1 << 9), /* Rear Right Center */
225 LFE = (1 << 10), /* Low Frequency Effect */
226 FLW = (1 << 11), /* Front Left Wide */
227 FRW = (1 << 12), /* Front Right Wide */
228 FLH = (1 << 13), /* Front Left High */
229 FCH = (1 << 14), /* Front Center High */
230 FRH = (1 << 15), /* Front Right High */
231 TC = (1 << 16), /* Top Center */
232};
233
234/*
235 * ELD SA bits in the CEA Speaker Allocation data block
236 */
237static int eld_speaker_allocation_bits[] = {
238 [0] = FL | FR,
239 [1] = LFE,
240 [2] = FC,
241 [3] = RL | RR,
242 [4] = RC,
243 [5] = FLC | FRC,
244 [6] = RLC | RRC,
245 /* the following are not defined in ELD yet */
246 [7] = FLW | FRW,
247 [8] = FLH | FRH,
248 [9] = TC,
249 [10] = FCH,
250};
251
252/*
253 * ALSA sequence is:
254 *
255 * surround40 surround41 surround50 surround51 surround71
256 * ch0 front left = = = =
257 * ch1 front right = = = =
258 * ch2 rear left = = = =
259 * ch3 rear right = = = =
260 * ch4 LFE center center center
261 * ch5 LFE LFE
262 * ch6 side left
263 * ch7 side right
264 *
265 * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR}
266 */
267static int hdmi_channel_mapping[0x32][8] = {
268 /* stereo */
269 [0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
270 /* 2.1 */
271 [0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
272 /* Dolby Surround */
273 [0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 },
274 /* surround40 */
275 [0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 },
276 /* 4ch */
277 [0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 },
278 /* surround41 */
279 [0x09] = { 0x00, 0x11, 0x24, 0x35, 0x42, 0xf3, 0xf6, 0xf7 },
280 /* surround50 */
281 [0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 },
282 /* surround51 */
283 [0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 },
284 /* 7.1 */
285 [0x13] = { 0x00, 0x11, 0x26, 0x37, 0x43, 0x52, 0x64, 0x75 },
286};
287
288/*
289 * This is an ordered list!
290 *
291 * The preceding ones have better chances to be selected by
292 * hdmi_channel_allocation().
293 */
294static struct hdac_cea_channel_speaker_allocation channel_allocations[] = {
295/* channel: 7 6 5 4 3 2 1 0 */
296{ .ca_index = 0x00, .speakers = { 0, 0, 0, 0, 0, 0, FR, FL } },
297 /* 2.1 */
298{ .ca_index = 0x01, .speakers = { 0, 0, 0, 0, 0, LFE, FR, FL } },
299 /* Dolby Surround */
300{ .ca_index = 0x02, .speakers = { 0, 0, 0, 0, FC, 0, FR, FL } },
301 /* surround40 */
302{ .ca_index = 0x08, .speakers = { 0, 0, RR, RL, 0, 0, FR, FL } },
303 /* surround41 */
304{ .ca_index = 0x09, .speakers = { 0, 0, RR, RL, 0, LFE, FR, FL } },
305 /* surround50 */
306{ .ca_index = 0x0a, .speakers = { 0, 0, RR, RL, FC, 0, FR, FL } },
307 /* surround51 */
308{ .ca_index = 0x0b, .speakers = { 0, 0, RR, RL, FC, LFE, FR, FL } },
309 /* 6.1 */
310{ .ca_index = 0x0f, .speakers = { 0, RC, RR, RL, FC, LFE, FR, FL } },
311 /* surround71 */
312{ .ca_index = 0x13, .speakers = { RRC, RLC, RR, RL, FC, LFE, FR, FL } },
313
314{ .ca_index = 0x03, .speakers = { 0, 0, 0, 0, FC, LFE, FR, FL } },
315{ .ca_index = 0x04, .speakers = { 0, 0, 0, RC, 0, 0, FR, FL } },
316{ .ca_index = 0x05, .speakers = { 0, 0, 0, RC, 0, LFE, FR, FL } },
317{ .ca_index = 0x06, .speakers = { 0, 0, 0, RC, FC, 0, FR, FL } },
318{ .ca_index = 0x07, .speakers = { 0, 0, 0, RC, FC, LFE, FR, FL } },
319{ .ca_index = 0x0c, .speakers = { 0, RC, RR, RL, 0, 0, FR, FL } },
320{ .ca_index = 0x0d, .speakers = { 0, RC, RR, RL, 0, LFE, FR, FL } },
321{ .ca_index = 0x0e, .speakers = { 0, RC, RR, RL, FC, 0, FR, FL } },
322{ .ca_index = 0x10, .speakers = { RRC, RLC, RR, RL, 0, 0, FR, FL } },
323{ .ca_index = 0x11, .speakers = { RRC, RLC, RR, RL, 0, LFE, FR, FL } },
324{ .ca_index = 0x12, .speakers = { RRC, RLC, RR, RL, FC, 0, FR, FL } },
325{ .ca_index = 0x14, .speakers = { FRC, FLC, 0, 0, 0, 0, FR, FL } },
326{ .ca_index = 0x15, .speakers = { FRC, FLC, 0, 0, 0, LFE, FR, FL } },
327{ .ca_index = 0x16, .speakers = { FRC, FLC, 0, 0, FC, 0, FR, FL } },
328{ .ca_index = 0x17, .speakers = { FRC, FLC, 0, 0, FC, LFE, FR, FL } },
329{ .ca_index = 0x18, .speakers = { FRC, FLC, 0, RC, 0, 0, FR, FL } },
330{ .ca_index = 0x19, .speakers = { FRC, FLC, 0, RC, 0, LFE, FR, FL } },
331{ .ca_index = 0x1a, .speakers = { FRC, FLC, 0, RC, FC, 0, FR, FL } },
332{ .ca_index = 0x1b, .speakers = { FRC, FLC, 0, RC, FC, LFE, FR, FL } },
333{ .ca_index = 0x1c, .speakers = { FRC, FLC, RR, RL, 0, 0, FR, FL } },
334{ .ca_index = 0x1d, .speakers = { FRC, FLC, RR, RL, 0, LFE, FR, FL } },
335{ .ca_index = 0x1e, .speakers = { FRC, FLC, RR, RL, FC, 0, FR, FL } },
336{ .ca_index = 0x1f, .speakers = { FRC, FLC, RR, RL, FC, LFE, FR, FL } },
337{ .ca_index = 0x20, .speakers = { 0, FCH, RR, RL, FC, 0, FR, FL } },
338{ .ca_index = 0x21, .speakers = { 0, FCH, RR, RL, FC, LFE, FR, FL } },
339{ .ca_index = 0x22, .speakers = { TC, 0, RR, RL, FC, 0, FR, FL } },
340{ .ca_index = 0x23, .speakers = { TC, 0, RR, RL, FC, LFE, FR, FL } },
341{ .ca_index = 0x24, .speakers = { FRH, FLH, RR, RL, 0, 0, FR, FL } },
342{ .ca_index = 0x25, .speakers = { FRH, FLH, RR, RL, 0, LFE, FR, FL } },
343{ .ca_index = 0x26, .speakers = { FRW, FLW, RR, RL, 0, 0, FR, FL } },
344{ .ca_index = 0x27, .speakers = { FRW, FLW, RR, RL, 0, LFE, FR, FL } },
345{ .ca_index = 0x28, .speakers = { TC, RC, RR, RL, FC, 0, FR, FL } },
346{ .ca_index = 0x29, .speakers = { TC, RC, RR, RL, FC, LFE, FR, FL } },
347{ .ca_index = 0x2a, .speakers = { FCH, RC, RR, RL, FC, 0, FR, FL } },
348{ .ca_index = 0x2b, .speakers = { FCH, RC, RR, RL, FC, LFE, FR, FL } },
349{ .ca_index = 0x2c, .speakers = { TC, FCH, RR, RL, FC, 0, FR, FL } },
350{ .ca_index = 0x2d, .speakers = { TC, FCH, RR, RL, FC, LFE, FR, FL } },
351{ .ca_index = 0x2e, .speakers = { FRH, FLH, RR, RL, FC, 0, FR, FL } },
352{ .ca_index = 0x2f, .speakers = { FRH, FLH, RR, RL, FC, LFE, FR, FL } },
353{ .ca_index = 0x30, .speakers = { FRW, FLW, RR, RL, FC, 0, FR, FL } },
354{ .ca_index = 0x31, .speakers = { FRW, FLW, RR, RL, FC, LFE, FR, FL } },
355};
356
357
358/*
359 * HDMI routines 201 * HDMI routines
360 */ 202 */
361 203
@@ -654,322 +496,6 @@ static inline void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
654#endif 496#endif
655 497
656/* 498/*
657 * Channel mapping routines
658 */
659
660/*
661 * Compute derived values in channel_allocations[].
662 */
663static void init_channel_allocations(void)
664{
665 int i, j;
666 struct hdac_cea_channel_speaker_allocation *p;
667
668 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
669 p = channel_allocations + i;
670 p->channels = 0;
671 p->spk_mask = 0;
672 for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
673 if (p->speakers[j]) {
674 p->channels++;
675 p->spk_mask |= p->speakers[j];
676 }
677 }
678}
679
680static int get_channel_allocation_order(int ca)
681{
682 int i;
683
684 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
685 if (channel_allocations[i].ca_index == ca)
686 break;
687 }
688 return i;
689}
690
691/*
692 * The transformation takes two steps:
693 *
694 * eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
695 * spk_mask => (channel_allocations[]) => ai->CA
696 *
697 * TODO: it could select the wrong CA from multiple candidates.
698*/
699static int hdmi_channel_allocation_spk_alloc_blk(struct hdac_device *codec,
700 int spk_alloc, int channels)
701{
702 int i;
703 int ca = 0;
704 int spk_mask = 0;
705 char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
706
707 /*
708 * CA defaults to 0 for basic stereo audio
709 */
710 if (channels <= 2)
711 return 0;
712
713 /*
714 * expand ELD's speaker allocation mask
715 *
716 * ELD tells the speaker mask in a compact(paired) form,
717 * expand ELD's notions to match the ones used by Audio InfoFrame.
718 */
719 for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
720 if (spk_alloc & (1 << i))
721 spk_mask |= eld_speaker_allocation_bits[i];
722 }
723
724 /* search for the first working match in the CA table */
725 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
726 if (channels == channel_allocations[i].channels &&
727 (spk_mask & channel_allocations[i].spk_mask) ==
728 channel_allocations[i].spk_mask) {
729 ca = channel_allocations[i].ca_index;
730 break;
731 }
732 }
733
734 if (!ca) {
735 /* if there was no match, select the regular ALSA channel
736 * allocation with the matching number of channels */
737 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
738 if (channels == channel_allocations[i].channels) {
739 ca = channel_allocations[i].ca_index;
740 break;
741 }
742 }
743 }
744
745 snd_print_channel_allocation(spk_alloc, buf, sizeof(buf));
746 dev_dbg(&codec->dev, "HDMI: select CA 0x%x for %d-channel allocation: %s\n",
747 ca, channels, buf);
748
749 return ca;
750}
751
752static void hdmi_debug_channel_mapping(struct hdac_chmap *chmap,
753 hda_nid_t pin_nid)
754{
755#ifdef CONFIG_SND_DEBUG_VERBOSE
756 int i;
757 int channel;
758
759 for (i = 0; i < 8; i++) {
760 channel = chmap->ops.pin_get_slot_channel(
761 chmap->hdac, pin_nid, i);
762 dev_dbg(&chmap->hdac->dev, "HDMI: ASP channel %d => slot %d\n",
763 channel, i);
764 }
765#endif
766}
767
768static void hdmi_std_setup_channel_mapping(struct hdac_chmap *chmap,
769 hda_nid_t pin_nid,
770 bool non_pcm,
771 int ca)
772{
773 struct hdac_cea_channel_speaker_allocation *ch_alloc;
774 int i;
775 int err;
776 int order;
777 int non_pcm_mapping[8];
778
779 order = get_channel_allocation_order(ca);
780 ch_alloc = &channel_allocations[order];
781
782 if (hdmi_channel_mapping[ca][1] == 0) {
783 int hdmi_slot = 0;
784 /* fill actual channel mappings in ALSA channel (i) order */
785 for (i = 0; i < ch_alloc->channels; i++) {
786 while (!ch_alloc->speakers[7 - hdmi_slot] && !WARN_ON(hdmi_slot >= 8))
787 hdmi_slot++; /* skip zero slots */
788
789 hdmi_channel_mapping[ca][i] = (i << 4) | hdmi_slot++;
790 }
791 /* fill the rest of the slots with ALSA channel 0xf */
792 for (hdmi_slot = 0; hdmi_slot < 8; hdmi_slot++)
793 if (!ch_alloc->speakers[7 - hdmi_slot])
794 hdmi_channel_mapping[ca][i++] = (0xf << 4) | hdmi_slot;
795 }
796
797 if (non_pcm) {
798 for (i = 0; i < ch_alloc->channels; i++)
799 non_pcm_mapping[i] = (i << 4) | i;
800 for (; i < 8; i++)
801 non_pcm_mapping[i] = (0xf << 4) | i;
802 }
803
804 for (i = 0; i < 8; i++) {
805 int slotsetup = non_pcm ? non_pcm_mapping[i] : hdmi_channel_mapping[ca][i];
806 int hdmi_slot = slotsetup & 0x0f;
807 int channel = (slotsetup & 0xf0) >> 4;
808 err = chmap->ops.pin_set_slot_channel(chmap->hdac,
809 pin_nid, hdmi_slot, channel);
810 if (err) {
811 dev_dbg(&chmap->hdac->dev, "HDMI: channel mapping failed\n");
812 break;
813 }
814 }
815}
816
817struct channel_map_table {
818 unsigned char map; /* ALSA API channel map position */
819 int spk_mask; /* speaker position bit mask */
820};
821
822static struct channel_map_table map_tables[] = {
823 { SNDRV_CHMAP_FL, FL },
824 { SNDRV_CHMAP_FR, FR },
825 { SNDRV_CHMAP_RL, RL },
826 { SNDRV_CHMAP_RR, RR },
827 { SNDRV_CHMAP_LFE, LFE },
828 { SNDRV_CHMAP_FC, FC },
829 { SNDRV_CHMAP_RLC, RLC },
830 { SNDRV_CHMAP_RRC, RRC },
831 { SNDRV_CHMAP_RC, RC },
832 { SNDRV_CHMAP_FLC, FLC },
833 { SNDRV_CHMAP_FRC, FRC },
834 { SNDRV_CHMAP_TFL, FLH },
835 { SNDRV_CHMAP_TFR, FRH },
836 { SNDRV_CHMAP_FLW, FLW },
837 { SNDRV_CHMAP_FRW, FRW },
838 { SNDRV_CHMAP_TC, TC },
839 { SNDRV_CHMAP_TFC, FCH },
840 {} /* terminator */
841};
842
843/* from ALSA API channel position to speaker bit mask */
844static int to_spk_mask(unsigned char c)
845{
846 struct channel_map_table *t = map_tables;
847 for (; t->map; t++) {
848 if (t->map == c)
849 return t->spk_mask;
850 }
851 return 0;
852}
853
854/* from ALSA API channel position to CEA slot */
855static int to_cea_slot(int ordered_ca, unsigned char pos)
856{
857 int mask = to_spk_mask(pos);
858 int i;
859
860 if (mask) {
861 for (i = 0; i < 8; i++) {
862 if (channel_allocations[ordered_ca].speakers[7 - i] == mask)
863 return i;
864 }
865 }
866
867 return -1;
868}
869
870/* from speaker bit mask to ALSA API channel position */
871static int spk_to_chmap(int spk)
872{
873 struct channel_map_table *t = map_tables;
874 for (; t->map; t++) {
875 if (t->spk_mask == spk)
876 return t->map;
877 }
878 return 0;
879}
880
881/* from CEA slot to ALSA API channel position */
882static int from_cea_slot(int ordered_ca, unsigned char slot)
883{
884 int mask = channel_allocations[ordered_ca].speakers[7 - slot];
885
886 return spk_to_chmap(mask);
887}
888
889/* get the CA index corresponding to the given ALSA API channel map */
890static int hdmi_manual_channel_allocation(int chs, unsigned char *map)
891{
892 int i, spks = 0, spk_mask = 0;
893
894 for (i = 0; i < chs; i++) {
895 int mask = to_spk_mask(map[i]);
896 if (mask) {
897 spk_mask |= mask;
898 spks++;
899 }
900 }
901
902 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
903 if ((chs == channel_allocations[i].channels ||
904 spks == channel_allocations[i].channels) &&
905 (spk_mask & channel_allocations[i].spk_mask) ==
906 channel_allocations[i].spk_mask)
907 return channel_allocations[i].ca_index;
908 }
909 return -1;
910}
911
912/* set up the channel slots for the given ALSA API channel map */
913static int hdmi_manual_setup_channel_mapping(struct hdac_chmap *chmap,
914 hda_nid_t pin_nid,
915 int chs, unsigned char *map,
916 int ca)
917{
918 int ordered_ca = get_channel_allocation_order(ca);
919 int alsa_pos, hdmi_slot;
920 int assignments[8] = {[0 ... 7] = 0xf};
921
922 for (alsa_pos = 0; alsa_pos < chs; alsa_pos++) {
923
924 hdmi_slot = to_cea_slot(ordered_ca, map[alsa_pos]);
925
926 if (hdmi_slot < 0)
927 continue; /* unassigned channel */
928
929 assignments[hdmi_slot] = alsa_pos;
930 }
931
932 for (hdmi_slot = 0; hdmi_slot < 8; hdmi_slot++) {
933 int err;
934
935 err = chmap->ops.pin_set_slot_channel(chmap->hdac,
936 pin_nid, hdmi_slot, assignments[hdmi_slot]);
937 if (err)
938 return -EINVAL;
939 }
940 return 0;
941}
942
943/* store ALSA API channel map from the current default map */
944static void hdmi_setup_fake_chmap(unsigned char *map, int ca)
945{
946 int i;
947 int ordered_ca = get_channel_allocation_order(ca);
948 for (i = 0; i < 8; i++) {
949 if (i < channel_allocations[ordered_ca].channels)
950 map[i] = from_cea_slot(ordered_ca, hdmi_channel_mapping[ca][i] & 0x0f);
951 else
952 map[i] = 0;
953 }
954}
955
956static void hdmi_setup_channel_mapping(struct hdac_chmap *chmap,
957 hda_nid_t pin_nid, bool non_pcm, int ca,
958 int channels, unsigned char *map,
959 bool chmap_set)
960{
961 if (!non_pcm && chmap_set) {
962 hdmi_manual_setup_channel_mapping(chmap, pin_nid,
963 channels, map, ca);
964 } else {
965 hdmi_std_setup_channel_mapping(chmap, pin_nid, non_pcm, ca);
966 hdmi_setup_fake_chmap(map, ca);
967 }
968
969 hdmi_debug_channel_mapping(chmap, pin_nid);
970}
971
972/*
973 * Audio InfoFrame routines 499 * Audio InfoFrame routines
974 */ 500 */
975 501
@@ -1139,35 +665,6 @@ static void hdmi_pin_setup_infoframe(struct hda_codec *codec,
1139 } 665 }
1140} 666}
1141 667
1142static int hdmi_get_active_channels(int ca)
1143{
1144 int ordered_ca = get_channel_allocation_order(ca);
1145
1146 return channel_allocations[ordered_ca].channels;
1147}
1148
1149static struct hdac_cea_channel_speaker_allocation *hdmi_get_ch_alloc_from_ca(int ca)
1150{
1151 return &channel_allocations[get_channel_allocation_order(ca)];
1152}
1153
1154static int hdmi_channel_allocation(struct hdac_device *hdac, int spk_alloc,
1155 int channels, bool chmap_set, bool non_pcm, unsigned char *map)
1156{
1157 int ca;
1158
1159 if (!non_pcm && chmap_set)
1160 ca = hdmi_manual_channel_allocation(channels, map);
1161 else
1162 ca = hdmi_channel_allocation_spk_alloc_blk(hdac,
1163 spk_alloc, channels);
1164
1165 if (ca < 0)
1166 ca = 0;
1167
1168 return ca;
1169}
1170
1171static void hdmi_setup_audio_infoframe(struct hda_codec *codec, 668static void hdmi_setup_audio_infoframe(struct hda_codec *codec,
1172 struct hdmi_spec_per_pin *per_pin, 669 struct hdmi_spec_per_pin *per_pin,
1173 bool non_pcm) 670 bool non_pcm)
@@ -2331,51 +1828,6 @@ static const struct hda_pcm_ops generic_ops = {
2331 .cleanup = generic_hdmi_playback_pcm_cleanup, 1828 .cleanup = generic_hdmi_playback_pcm_cleanup,
2332}; 1829};
2333 1830
2334/*
2335 * ALSA API channel-map control callbacks
2336 */
2337static int hdmi_chmap_ctl_info(struct snd_kcontrol *kcontrol,
2338 struct snd_ctl_elem_info *uinfo)
2339{
2340 struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
2341 struct hdac_chmap *chmap = info->private_data;
2342
2343 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2344 uinfo->count = chmap->channels_max;
2345 uinfo->value.integer.min = 0;
2346 uinfo->value.integer.max = SNDRV_CHMAP_LAST;
2347 return 0;
2348}
2349
2350static int hdmi_chmap_cea_alloc_validate_get_type(struct hdac_chmap *chmap,
2351 struct hdac_cea_channel_speaker_allocation *cap, int channels)
2352{
2353 /* If the speaker allocation matches the channel count, it is OK.*/
2354 if (cap->channels != channels)
2355 return -1;
2356
2357 /* all channels are remappable freely */
2358 return SNDRV_CTL_TLVT_CHMAP_VAR;
2359}
2360
2361static void hdmi_cea_alloc_to_tlv_chmap(struct hdac_chmap *hchmap,
2362 struct hdac_cea_channel_speaker_allocation *cap,
2363 unsigned int *chmap, int channels)
2364{
2365 int count = 0;
2366 int c;
2367
2368 for (c = 7; c >= 0; c--) {
2369 int spk = cap->speakers[c];
2370 if (!spk)
2371 continue;
2372
2373 chmap[count++] = spk_to_chmap(spk);
2374 }
2375
2376 WARN_ON(count != channels);
2377}
2378
2379static void hdmi_get_chmap(struct hdac_device *hdac, int pcm_idx, 1831static void hdmi_get_chmap(struct hdac_device *hdac, int pcm_idx,
2380 unsigned char *chmap) 1832 unsigned char *chmap)
2381{ 1833{
@@ -2414,127 +1866,6 @@ static bool is_hdmi_pcm_attached(struct hdac_device *hdac, int pcm_idx)
2414 return per_pin ? true:false; 1866 return per_pin ? true:false;
2415} 1867}
2416 1868
2417static int hdmi_chmap_ctl_tlv(struct snd_kcontrol *kcontrol, int op_flag,
2418 unsigned int size, unsigned int __user *tlv)
2419{
2420 struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
2421 struct hdac_chmap *chmap = info->private_data;
2422 unsigned int __user *dst;
2423 int chs, count = 0;
2424
2425 if (size < 8)
2426 return -ENOMEM;
2427 if (put_user(SNDRV_CTL_TLVT_CONTAINER, tlv))
2428 return -EFAULT;
2429 size -= 8;
2430 dst = tlv + 2;
2431 for (chs = 2; chs <= chmap->channels_max; chs++) {
2432 int i;
2433 struct hdac_cea_channel_speaker_allocation *cap;
2434 cap = channel_allocations;
2435 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++, cap++) {
2436 int chs_bytes = chs * 4;
2437 int type = chmap->ops.chmap_cea_alloc_validate_get_type(
2438 chmap, cap, chs);
2439 unsigned int tlv_chmap[8];
2440
2441 if (type < 0)
2442 continue;
2443 if (size < 8)
2444 return -ENOMEM;
2445 if (put_user(type, dst) ||
2446 put_user(chs_bytes, dst + 1))
2447 return -EFAULT;
2448 dst += 2;
2449 size -= 8;
2450 count += 8;
2451 if (size < chs_bytes)
2452 return -ENOMEM;
2453 size -= chs_bytes;
2454 count += chs_bytes;
2455 chmap->ops.cea_alloc_to_tlv_chmap(chmap, cap,
2456 tlv_chmap, chs);
2457 if (copy_to_user(dst, tlv_chmap, chs_bytes))
2458 return -EFAULT;
2459 dst += chs;
2460 }
2461 }
2462 if (put_user(count, tlv + 1))
2463 return -EFAULT;
2464 return 0;
2465}
2466
2467static int hdmi_chmap_ctl_get(struct snd_kcontrol *kcontrol,
2468 struct snd_ctl_elem_value *ucontrol)
2469{
2470 struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
2471 struct hdac_chmap *chmap = info->private_data;
2472 int pcm_idx = kcontrol->private_value;
2473 unsigned char pcm_chmap[8];
2474 int i;
2475
2476 memset(pcm_chmap, 0, sizeof(pcm_chmap));
2477 chmap->ops.get_chmap(chmap->hdac, pcm_idx, pcm_chmap);
2478
2479 for (i = 0; i < sizeof(chmap); i++)
2480 ucontrol->value.integer.value[i] = pcm_chmap[i];
2481
2482 return 0;
2483}
2484
2485static int hdmi_chmap_ctl_put(struct snd_kcontrol *kcontrol,
2486 struct snd_ctl_elem_value *ucontrol)
2487{
2488 struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
2489 struct hdac_chmap *hchmap = info->private_data;
2490 int pcm_idx = kcontrol->private_value;
2491 unsigned int ctl_idx;
2492 struct snd_pcm_substream *substream;
2493 unsigned char chmap[8], per_pin_chmap[8];
2494 int i, err, ca, prepared = 0;
2495
2496 /* No monitor is connected in dyn_pcm_assign.
2497 * It's invalid to setup the chmap
2498 */
2499 if (!hchmap->ops.is_pcm_attached(hchmap->hdac, pcm_idx))
2500 return 0;
2501
2502 ctl_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2503 substream = snd_pcm_chmap_substream(info, ctl_idx);
2504 if (!substream || !substream->runtime)
2505 return 0; /* just for avoiding error from alsactl restore */
2506 switch (substream->runtime->status->state) {
2507 case SNDRV_PCM_STATE_OPEN:
2508 case SNDRV_PCM_STATE_SETUP:
2509 break;
2510 case SNDRV_PCM_STATE_PREPARED:
2511 prepared = 1;
2512 break;
2513 default:
2514 return -EBUSY;
2515 }
2516 memset(chmap, 0, sizeof(chmap));
2517 for (i = 0; i < ARRAY_SIZE(chmap); i++)
2518 chmap[i] = ucontrol->value.integer.value[i];
2519
2520 hchmap->ops.get_chmap(hchmap->hdac, pcm_idx, per_pin_chmap);
2521 if (!memcmp(chmap, per_pin_chmap, sizeof(chmap)))
2522 return 0;
2523 ca = hdmi_manual_channel_allocation(ARRAY_SIZE(chmap), chmap);
2524 if (ca < 0)
2525 return -EINVAL;
2526 if (hchmap->ops.chmap_validate) {
2527 err = hchmap->ops.chmap_validate(hchmap, ca,
2528 ARRAY_SIZE(chmap), chmap);
2529 if (err)
2530 return err;
2531 }
2532
2533 hchmap->ops.set_chmap(hchmap->hdac, pcm_idx, chmap, prepared);
2534
2535 return 0;
2536}
2537
2538static int generic_hdmi_build_pcms(struct hda_codec *codec) 1869static int generic_hdmi_build_pcms(struct hda_codec *codec)
2539{ 1870{
2540 struct hdmi_spec *spec = codec->spec; 1871 struct hdmi_spec *spec = codec->spec;
@@ -2675,27 +2006,13 @@ static int generic_hdmi_build_controls(struct hda_codec *codec)
2675 /* add channel maps */ 2006 /* add channel maps */
2676 for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) { 2007 for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
2677 struct hda_pcm *pcm; 2008 struct hda_pcm *pcm;
2678 struct snd_pcm_chmap *chmap;
2679 struct snd_kcontrol *kctl;
2680 int i;
2681 2009
2682 pcm = get_pcm_rec(spec, pcm_idx); 2010 pcm = get_pcm_rec(spec, pcm_idx);
2683 if (!pcm || !pcm->pcm) 2011 if (!pcm || !pcm->pcm)
2684 break; 2012 break;
2685 err = snd_pcm_add_chmap_ctls(pcm->pcm, 2013 err = snd_hdac_add_chmap_ctls(pcm->pcm, pcm_idx, &spec->chmap);
2686 SNDRV_PCM_STREAM_PLAYBACK,
2687 NULL, 0, pcm_idx, &chmap);
2688 if (err < 0) 2014 if (err < 0)
2689 return err; 2015 return err;
2690 /* override handlers */
2691 chmap->private_data = &spec->chmap;
2692 kctl = chmap->kctl;
2693 for (i = 0; i < kctl->count; i++)
2694 kctl->vd[i].access |= SNDRV_CTL_ELEM_ACCESS_WRITE;
2695 kctl->info = hdmi_chmap_ctl_info;
2696 kctl->get = hdmi_chmap_ctl_get;
2697 kctl->put = hdmi_chmap_ctl_put;
2698 kctl->tlv.c = hdmi_chmap_ctl_tlv;
2699 } 2016 }
2700 2017
2701 return 0; 2018 return 0;
@@ -2915,9 +2232,6 @@ static int patch_generic_hdmi(struct hda_codec *codec)
2915 mutex_init(&spec->pcm_lock); 2232 mutex_init(&spec->pcm_lock);
2916 snd_hdac_register_chmap_ops(&codec->core, &spec->chmap); 2233 snd_hdac_register_chmap_ops(&codec->core, &spec->chmap);
2917 2234
2918 spec->chmap.ops.chmap_cea_alloc_validate_get_type =
2919 hdmi_chmap_cea_alloc_validate_get_type;
2920 spec->chmap.ops.cea_alloc_to_tlv_chmap = hdmi_cea_alloc_to_tlv_chmap;
2921 spec->chmap.ops.get_chmap = hdmi_get_chmap; 2235 spec->chmap.ops.get_chmap = hdmi_get_chmap;
2922 spec->chmap.ops.set_chmap = hdmi_set_chmap; 2236 spec->chmap.ops.set_chmap = hdmi_set_chmap;
2923 spec->chmap.ops.is_pcm_attached = is_hdmi_pcm_attached; 2237 spec->chmap.ops.is_pcm_attached = is_hdmi_pcm_attached;
@@ -2965,7 +2279,6 @@ static int patch_generic_hdmi(struct hda_codec *codec)
2965 2279
2966 generic_hdmi_init_per_pins(codec); 2280 generic_hdmi_init_per_pins(codec);
2967 2281
2968 init_channel_allocations();
2969 2282
2970 if (codec_has_acomp(codec)) { 2283 if (codec_has_acomp(codec)) {
2971 codec->depop_delay = 0; 2284 codec->depop_delay = 0;
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-14 12:48:27 -0500