* Copyright (c) 2006 ATI Technologies Inc.
* Copyright (c) 2008 NVIDIA Corp. All rights reserved.
* Copyright (c) 2008 Wei Ni <wni@nvidia.com>
+ * Copyright (c) 2013 Anssi Hannula <anssi.hannula@iki.fi>
*
* Authors:
* Wu Fengguang <wfg@linux.intel.com>
struct hdmi_eld temp_eld;
struct hdmi_ops ops;
/*
- * Non-generic ATI/NVIDIA specific
+ * Non-generic VIA/NVIDIA specific
*/
struct hda_multi_out multiout;
struct hda_pcm_stream pcm_playback;
}
/*
- * ATI-specific implementations
- *
- * FIXME: we may omit the whole this and use the generic code once after
- * it's confirmed to work.
+ * ATI/AMD-specific implementations
*/
-#define ATIHDMI_CVT_NID 0x02 /* audio converter */
-#define ATIHDMI_PIN_NID 0x03 /* HDMI output pin */
+#define is_amdhdmi_rev3_or_later(codec) \
+ ((codec)->vendor_id == 0x1002aa01 && ((codec)->revision_id & 0xff00) >= 0x0300)
+#define has_amd_full_remap_support(codec) is_amdhdmi_rev3_or_later(codec)
+
+/* ATI/AMD specific HDA pin verbs, see the AMD HDA Verbs specification */
+#define ATI_VERB_SET_CHANNEL_ALLOCATION 0x771
+#define ATI_VERB_SET_DOWNMIX_INFO 0x772
+#define ATI_VERB_SET_MULTICHANNEL_01 0x777
+#define ATI_VERB_SET_MULTICHANNEL_23 0x778
+#define ATI_VERB_SET_MULTICHANNEL_45 0x779
+#define ATI_VERB_SET_MULTICHANNEL_67 0x77a
+#define ATI_VERB_SET_MULTICHANNEL_1 0x785
+#define ATI_VERB_SET_MULTICHANNEL_3 0x786
+#define ATI_VERB_SET_MULTICHANNEL_5 0x787
+#define ATI_VERB_SET_MULTICHANNEL_7 0x788
+#define ATI_VERB_SET_MULTICHANNEL_MODE 0x789
+#define ATI_VERB_GET_CHANNEL_ALLOCATION 0xf71
+#define ATI_VERB_GET_DOWNMIX_INFO 0xf72
+#define ATI_VERB_GET_MULTICHANNEL_01 0xf77
+#define ATI_VERB_GET_MULTICHANNEL_23 0xf78
+#define ATI_VERB_GET_MULTICHANNEL_45 0xf79
+#define ATI_VERB_GET_MULTICHANNEL_67 0xf7a
+#define ATI_VERB_GET_MULTICHANNEL_1 0xf85
+#define ATI_VERB_GET_MULTICHANNEL_3 0xf86
+#define ATI_VERB_GET_MULTICHANNEL_5 0xf87
+#define ATI_VERB_GET_MULTICHANNEL_7 0xf88
+#define ATI_VERB_GET_MULTICHANNEL_MODE 0xf89
+
+#define ATI_OUT_ENABLE 0x1
+
+#define ATI_MULTICHANNEL_MODE_PAIRED 0
+#define ATI_MULTICHANNEL_MODE_SINGLE 1
+
+static void atihdmi_pin_setup_infoframe(struct hda_codec *codec, hda_nid_t pin_nid, int ca,
+ int active_channels, int conn_type)
+{
+ snd_hda_codec_write(codec, pin_nid, 0, ATI_VERB_SET_CHANNEL_ALLOCATION, ca);
+}
+
+static int atihdmi_paired_swap_fc_lfe(int pos)
+{
+ /*
+ * ATI/AMD have automatic FC/LFE swap built-in
+ * when in pairwise mapping mode.
+ */
+
+ switch (pos) {
+ /* see channel_allocations[].speakers[] */
+ case 2: return 3;
+ case 3: return 2;
+ default: break;
+ }
+
+ return pos;
+}
+
+static int atihdmi_paired_chmap_validate(int ca, int chs, unsigned char *map)
+{
+ struct cea_channel_speaker_allocation *cap;
+ int i, j;
+
+ /* check that only channel pairs need to be remapped on old pre-rev3 ATI/AMD */
+
+ cap = &channel_allocations[get_channel_allocation_order(ca)];
+ for (i = 0; i < chs; ++i) {
+ int mask = to_spk_mask(map[i]);
+ bool ok = false;
+ bool companion_ok = false;
+
+ if (!mask)
+ continue;
+
+ for (j = 0 + i % 2; j < 8; j += 2) {
+ int chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j);
+ if (cap->speakers[chan_idx] == mask) {
+ /* channel is in a supported position */
+ ok = true;
+
+ if (i % 2 == 0 && i + 1 < chs) {
+ /* even channel, check the odd companion */
+ int comp_chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j + 1);
+ int comp_mask_req = to_spk_mask(map[i+1]);
+ int comp_mask_act = cap->speakers[comp_chan_idx];
+
+ if (comp_mask_req == comp_mask_act)
+ companion_ok = true;
+ else
+ return -EINVAL;
+ }
+ break;
+ }
+ }
+
+ if (!ok)
+ return -EINVAL;
+
+ if (companion_ok)
+ i++; /* companion channel already checked */
+ }
+
+ return 0;
+}
+
+static int atihdmi_pin_set_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid,
+ int hdmi_slot, int stream_channel)
+{
+ int verb;
+ int ati_channel_setup = 0;
+
+ if (hdmi_slot > 7)
+ return -EINVAL;
+
+ if (!has_amd_full_remap_support(codec)) {
+ hdmi_slot = atihdmi_paired_swap_fc_lfe(hdmi_slot);
+
+ /* In case this is an odd slot but without stream channel, do not
+ * disable the slot since the corresponding even slot could have a
+ * channel. In case neither have a channel, the slot pair will be
+ * disabled when this function is called for the even slot. */
+ if (hdmi_slot % 2 != 0 && stream_channel == 0xf)
+ return 0;
+
+ hdmi_slot -= hdmi_slot % 2;
+
+ if (stream_channel != 0xf)
+ stream_channel -= stream_channel % 2;
+ }
+
+ verb = ATI_VERB_SET_MULTICHANNEL_01 + hdmi_slot/2 + (hdmi_slot % 2) * 0x00e;
+
+ /* ati_channel_setup format: [7..4] = stream_channel_id, [1] = mute, [0] = enable */
+
+ if (stream_channel != 0xf)
+ ati_channel_setup = (stream_channel << 4) | ATI_OUT_ENABLE;
+
+ return snd_hda_codec_write(codec, pin_nid, 0, verb, ati_channel_setup);
+}
+
+static int atihdmi_pin_get_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid,
+ int asp_slot)
+{
+ bool was_odd = false;
+ int ati_asp_slot = asp_slot;
+ int verb;
+ int ati_channel_setup;
+
+ if (asp_slot > 7)
+ return -EINVAL;
+
+ if (!has_amd_full_remap_support(codec)) {
+ ati_asp_slot = atihdmi_paired_swap_fc_lfe(asp_slot);
+ if (ati_asp_slot % 2 != 0) {
+ ati_asp_slot -= 1;
+ was_odd = true;
+ }
+ }
+
+ verb = ATI_VERB_GET_MULTICHANNEL_01 + ati_asp_slot/2 + (ati_asp_slot % 2) * 0x00e;
+
+ ati_channel_setup = snd_hda_codec_read(codec, pin_nid, 0, verb, 0);
+
+ if (!(ati_channel_setup & ATI_OUT_ENABLE))
+ return 0xf;
+
+ return ((ati_channel_setup & 0xf0) >> 4) + !!was_odd;
+}
-static int atihdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
- struct hda_codec *codec,
- unsigned int stream_tag,
- unsigned int format,
- struct snd_pcm_substream *substream)
+static int atihdmi_paired_chmap_cea_alloc_validate_get_type(struct cea_channel_speaker_allocation *cap,
+ int channels)
+{
+ int c;
+
+ /*
+ * Pre-rev3 ATI/AMD codecs operate in a paired channel mode, so
+ * we need to take that into account (a single channel may take 2
+ * channel slots if we need to carry a silent channel next to it).
+ * On Rev3+ AMD codecs this function is not used.
+ */
+ int chanpairs = 0;
+
+ /* We only produce even-numbered channel count TLVs */
+ if ((channels % 2) != 0)
+ return -1;
+
+ for (c = 0; c < 7; c += 2) {
+ if (cap->speakers[c] || cap->speakers[c+1])
+ chanpairs++;
+ }
+
+ if (chanpairs * 2 != channels)
+ return -1;
+
+ return SNDRV_CTL_TLVT_CHMAP_PAIRED;
+}
+
+static void atihdmi_paired_cea_alloc_to_tlv_chmap(struct cea_channel_speaker_allocation *cap,
+ unsigned int *chmap, int channels)
+{
+ /* produce paired maps for pre-rev3 ATI/AMD codecs */
+ int count = 0;
+ int c;
+
+ for (c = 7; c >= 0; c--) {
+ int chan = 7 - atihdmi_paired_swap_fc_lfe(7 - c);
+ int spk = cap->speakers[chan];
+ if (!spk) {
+ /* add N/A channel if the companion channel is occupied */
+ if (cap->speakers[chan + (chan % 2 ? -1 : 1)])
+ chmap[count++] = SNDRV_CHMAP_NA;
+
+ continue;
+ }
+
+ chmap[count++] = spk_to_chmap(spk);
+ }
+
+ WARN_ON(count != channels);
+}
+
+static int atihdmi_init(struct hda_codec *codec)
{
struct hdmi_spec *spec = codec->spec;
- struct hdmi_spec_per_cvt *per_cvt = get_cvt(spec, 0);
- int chans = substream->runtime->channels;
- int i, err;
+ int pin_idx, err;
- err = simple_playback_pcm_prepare(hinfo, codec, stream_tag, format,
- substream);
- if (err < 0)
+ err = generic_hdmi_init(codec);
+
+ if (err)
return err;
- snd_hda_codec_write(codec, per_cvt->cvt_nid, 0,
- AC_VERB_SET_CVT_CHAN_COUNT, chans - 1);
- /* FIXME: XXX */
- for (i = 0; i < chans; i++) {
- snd_hda_codec_write(codec, per_cvt->cvt_nid, 0,
- AC_VERB_SET_HDMI_CHAN_SLOT,
- (i << 4) | i);
+
+ for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
+ struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
+
+ /* make sure downmix information in infoframe is zero */
+ snd_hda_codec_write(codec, per_pin->pin_nid, 0, ATI_VERB_SET_DOWNMIX_INFO, 0);
+
+ /* enable channel-wise remap mode if supported */
+ if (has_amd_full_remap_support(codec))
+ snd_hda_codec_write(codec, per_pin->pin_nid, 0,
+ ATI_VERB_SET_MULTICHANNEL_MODE,
+ ATI_MULTICHANNEL_MODE_SINGLE);
}
+
return 0;
}
static int patch_atihdmi(struct hda_codec *codec)
{
struct hdmi_spec *spec;
- int err = patch_simple_hdmi(codec, ATIHDMI_CVT_NID, ATIHDMI_PIN_NID);
- if (err < 0)
+ struct hdmi_spec_per_cvt *per_cvt;
+ int err, cvt_idx;
+
+ err = patch_generic_hdmi(codec);
+
+ if (err)
return err;
+
+ codec->patch_ops.init = atihdmi_init;
+
spec = codec->spec;
- spec->pcm_playback.ops.prepare = atihdmi_playback_pcm_prepare;
+
+ spec->ops.pin_get_slot_channel = atihdmi_pin_get_slot_channel;
+ spec->ops.pin_set_slot_channel = atihdmi_pin_set_slot_channel;
+ spec->ops.pin_setup_infoframe = atihdmi_pin_setup_infoframe;
+
+ if (!has_amd_full_remap_support(codec)) {
+ /* override to ATI/AMD-specific versions with pairwise mapping */
+ spec->ops.chmap_cea_alloc_validate_get_type =
+ atihdmi_paired_chmap_cea_alloc_validate_get_type;
+ spec->ops.cea_alloc_to_tlv_chmap = atihdmi_paired_cea_alloc_to_tlv_chmap;
+ spec->ops.chmap_validate = atihdmi_paired_chmap_validate;
+ }
+
+ /* ATI/AMD converters do not advertise all of their capabilities */
+ for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
+ per_cvt = get_cvt(spec, cvt_idx);
+ per_cvt->channels_max = max(per_cvt->channels_max, 8u);
+ per_cvt->rates |= SUPPORTED_RATES;
+ per_cvt->formats |= SUPPORTED_FORMATS;
+ per_cvt->maxbps = max(per_cvt->maxbps, 24u);
+ }
+
+ spec->channels_max = max(spec->channels_max, 8u);
+
return 0;
}
{ .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 = 0x1002aa01, .name = "R6xx HDMI", .patch = patch_atihdmi },
{ .id = 0x10951390, .name = "SiI1390 HDMI", .patch = patch_generic_hdmi },
{ .id = 0x10951392, .name = "SiI1392 HDMI", .patch = patch_generic_hdmi },
{ .id = 0x17e80047, .name = "Chrontel HDMI", .patch = patch_generic_hdmi },
projects / platform / kernel / linux-rpi3.git / commitdiff