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Diffstat (limited to 'sound/pci/hda/patch_hdmi.c')
-rw-r--r--sound/pci/hda/patch_hdmi.c128
1 files changed, 107 insertions, 21 deletions
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index e12f7a030c58..540bdef2f904 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -1018,13 +1018,18 @@ static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
hdmi_non_intrinsic_event(codec, res);
}
-static void haswell_verify_pin_D0(struct hda_codec *codec, hda_nid_t nid)
+static void haswell_verify_pin_D0(struct hda_codec *codec,
+ hda_nid_t cvt_nid, hda_nid_t nid)
{
int pwr, lamp, ramp;
- pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0);
- pwr = (pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT;
- if (pwr != AC_PWRST_D0) {
+ /* For Haswell, the converter 1/2 may keep in D3 state after bootup,
+ * thus pins could only choose converter 0 for use. Make sure the
+ * converters are in correct power state */
+ if (!snd_hda_check_power_state(codec, cvt_nid, AC_PWRST_D0))
+ snd_hda_codec_write(codec, cvt_nid, 0, AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
+
+ if (!snd_hda_check_power_state(codec, nid, AC_PWRST_D0)) {
snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
AC_PWRST_D0);
msleep(40);
@@ -1068,7 +1073,7 @@ static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
int new_pinctl = 0;
if (codec->vendor_id == 0x80862807)
- haswell_verify_pin_D0(codec, pin_nid);
+ haswell_verify_pin_D0(codec, cvt_nid, pin_nid);
if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
pinctl = snd_hda_codec_read(codec, pin_nid, 0,
@@ -1101,26 +1106,15 @@ static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
return 0;
}
-/*
- * HDA PCM callbacks
- */
-static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
- struct hda_codec *codec,
- struct snd_pcm_substream *substream)
+static int hdmi_choose_cvt(struct hda_codec *codec,
+ int pin_idx, int *cvt_id, int *mux_id)
{
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 cvt_idx, mux_idx = 0;
- /* Validate hinfo */
- pin_idx = hinfo_to_pin_index(spec, hinfo);
- if (snd_BUG_ON(pin_idx < 0))
- return -EINVAL;
per_pin = get_pin(spec, pin_idx);
- eld = &per_pin->sink_eld;
/* Dynamically assign converter to stream */
for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
@@ -1138,17 +1132,89 @@ static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
continue;
break;
}
+
/* No free converters */
if (cvt_idx == spec->num_cvts)
return -ENODEV;
+ if (cvt_id)
+ *cvt_id = cvt_idx;
+ if (mux_id)
+ *mux_id = mux_idx;
+
+ return 0;
+}
+
+static void haswell_config_cvts(struct hda_codec *codec,
+ int pin_id, int mux_id)
+{
+ struct hdmi_spec *spec = codec->spec;
+ struct hdmi_spec_per_pin *per_pin;
+ int pin_idx, mux_idx;
+ int curr;
+ int err;
+
+ for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
+ per_pin = get_pin(spec, pin_idx);
+
+ if (pin_idx == pin_id)
+ continue;
+
+ curr = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
+ AC_VERB_GET_CONNECT_SEL, 0);
+
+ /* Choose another unused converter */
+ if (curr == mux_id) {
+ err = hdmi_choose_cvt(codec, pin_idx, NULL, &mux_idx);
+ if (err < 0)
+ return;
+ snd_printdd("HDMI: choose converter %d for pin %d\n", mux_idx, pin_idx);
+ snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
+ AC_VERB_SET_CONNECT_SEL,
+ mux_idx);
+ }
+ }
+}
+
+/*
+ * 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 err;
+
+ /* Validate hinfo */
+ pin_idx = hinfo_to_pin_index(spec, hinfo);
+ if (snd_BUG_ON(pin_idx < 0))
+ return -EINVAL;
+ per_pin = get_pin(spec, pin_idx);
+ eld = &per_pin->sink_eld;
+
+ err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx, &mux_idx);
+ if (err < 0)
+ return err;
+
+ per_cvt = get_cvt(spec, cvt_idx);
/* Claim converter */
per_cvt->assigned = 1;
hinfo->nid = per_cvt->cvt_nid;
- snd_hda_codec_write(codec, per_pin->pin_nid, 0,
+ snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
AC_VERB_SET_CONNECT_SEL,
mux_idx);
+
+ /* configure unused pins to choose other converters */
+ if (codec->vendor_id == 0x80862807)
+ haswell_config_cvts(codec, pin_idx, mux_idx);
+
snd_hda_spdif_ctls_assign(codec, pin_idx, per_cvt->cvt_nid);
/* Initially set the converter's capabilities */
@@ -1798,12 +1864,33 @@ static void generic_hdmi_free(struct hda_codec *codec)
kfree(spec);
}
+#ifdef CONFIG_PM
+static int generic_hdmi_resume(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec = codec->spec;
+ int pin_idx;
+
+ generic_hdmi_init(codec);
+ snd_hda_codec_resume_amp(codec);
+ snd_hda_codec_resume_cache(codec);
+
+ for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
+ struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
+ hdmi_present_sense(per_pin, 1);
+ }
+ return 0;
+}
+#endif
+
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,
+#ifdef CONFIG_PM
+ .resume = generic_hdmi_resume,
+#endif
};
@@ -1821,7 +1908,6 @@ static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
/* override pins connection list */
snd_printdd("hdmi: haswell: override pin connection 0x%x\n", nid);
- nconns = max(spec->num_cvts, 4);
snd_hda_override_conn_list(codec, nid, spec->num_cvts, spec->cvt_nids);
}