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-rw-r--r--sound/hda/ext/hdac_ext_bus.c1
-rw-r--r--sound/hda/hdac_controller.c17
-rw-r--r--sound/hda/hdac_i915.c47
-rw-r--r--sound/hda/hdmi_chmap.c44
4 files changed, 94 insertions, 15 deletions
diff --git a/sound/hda/ext/hdac_ext_bus.c b/sound/hda/ext/hdac_ext_bus.c
index 3b7ae24900fd..31b510c5ca0b 100644
--- a/sound/hda/ext/hdac_ext_bus.c
+++ b/sound/hda/ext/hdac_ext_bus.c
@@ -147,6 +147,7 @@ int snd_hdac_ext_bus_device_init(struct hdac_ext_bus *ebus, int addr)
if (!edev)
return -ENOMEM;
hdev = &edev->hdac;
+ edev->ebus = ebus;
snprintf(name, sizeof(name), "ehdaudio%dD%d", ebus->idx, addr);
diff --git a/sound/hda/hdac_controller.c b/sound/hda/hdac_controller.c
index 8c486235c905..9fee464e5d49 100644
--- a/sound/hda/hdac_controller.c
+++ b/sound/hda/hdac_controller.c
@@ -80,6 +80,22 @@ void snd_hdac_bus_init_cmd_io(struct hdac_bus *bus)
}
EXPORT_SYMBOL_GPL(snd_hdac_bus_init_cmd_io);
+/* wait for cmd dmas till they are stopped */
+static void hdac_wait_for_cmd_dmas(struct hdac_bus *bus)
+{
+ unsigned long timeout;
+
+ timeout = jiffies + msecs_to_jiffies(100);
+ while ((snd_hdac_chip_readb(bus, RIRBCTL) & AZX_RBCTL_DMA_EN)
+ && time_before(jiffies, timeout))
+ udelay(10);
+
+ timeout = jiffies + msecs_to_jiffies(100);
+ while ((snd_hdac_chip_readb(bus, CORBCTL) & AZX_CORBCTL_RUN)
+ && time_before(jiffies, timeout))
+ udelay(10);
+}
+
/**
* snd_hdac_bus_stop_cmd_io - clean up CORB/RIRB buffers
* @bus: HD-audio core bus
@@ -90,6 +106,7 @@ void snd_hdac_bus_stop_cmd_io(struct hdac_bus *bus)
/* disable ringbuffer DMAs */
snd_hdac_chip_writeb(bus, RIRBCTL, 0);
snd_hdac_chip_writeb(bus, CORBCTL, 0);
+ hdac_wait_for_cmd_dmas(bus);
/* disable unsolicited responses */
snd_hdac_chip_updatel(bus, GCTL, AZX_GCTL_UNSOL, 0);
spin_unlock_irq(&bus->reg_lock);
diff --git a/sound/hda/hdac_i915.c b/sound/hda/hdac_i915.c
index 607bbeaebddf..c9af022676c2 100644
--- a/sound/hda/hdac_i915.c
+++ b/sound/hda/hdac_i915.c
@@ -158,22 +158,40 @@ void snd_hdac_i915_set_bclk(struct hdac_bus *bus)
}
EXPORT_SYMBOL_GPL(snd_hdac_i915_set_bclk);
-/* There is a fixed mapping between audio pin node and display port
- * on current Intel platforms:
+/* There is a fixed mapping between audio pin node and display port.
+ * on SNB, IVY, HSW, BSW, SKL, BXT, KBL:
* Pin Widget 5 - PORT B (port = 1 in i915 driver)
* Pin Widget 6 - PORT C (port = 2 in i915 driver)
* Pin Widget 7 - PORT D (port = 3 in i915 driver)
+ *
+ * on VLV, ILK:
+ * Pin Widget 4 - PORT B (port = 1 in i915 driver)
+ * Pin Widget 5 - PORT C (port = 2 in i915 driver)
+ * Pin Widget 6 - PORT D (port = 3 in i915 driver)
*/
-static int pin2port(hda_nid_t pin_nid)
+static int pin2port(struct hdac_device *codec, hda_nid_t pin_nid)
{
- if (WARN_ON(pin_nid < 5 || pin_nid > 7))
+ int base_nid;
+
+ switch (codec->vendor_id) {
+ case 0x80860054: /* ILK */
+ case 0x80862804: /* ILK */
+ case 0x80862882: /* VLV */
+ base_nid = 3;
+ break;
+ default:
+ base_nid = 4;
+ break;
+ }
+
+ if (WARN_ON(pin_nid <= base_nid || pin_nid > base_nid + 3))
return -1;
- return pin_nid - 4;
+ return pin_nid - base_nid;
}
/**
* snd_hdac_sync_audio_rate - Set N/CTS based on the sample rate
- * @bus: HDA core bus
+ * @codec: HDA codec
* @nid: the pin widget NID
* @rate: the sample rate to set
*
@@ -183,14 +201,15 @@ static int pin2port(hda_nid_t pin_nid)
* This function sets N/CTS value based on the given sample rate.
* Returns zero for success, or a negative error code.
*/
-int snd_hdac_sync_audio_rate(struct hdac_bus *bus, hda_nid_t nid, int rate)
+int snd_hdac_sync_audio_rate(struct hdac_device *codec, hda_nid_t nid, int rate)
{
+ struct hdac_bus *bus = codec->bus;
struct i915_audio_component *acomp = bus->audio_component;
int port;
if (!acomp || !acomp->ops || !acomp->ops->sync_audio_rate)
return -ENODEV;
- port = pin2port(nid);
+ port = pin2port(codec, nid);
if (port < 0)
return -EINVAL;
return acomp->ops->sync_audio_rate(acomp->dev, port, rate);
@@ -199,7 +218,7 @@ EXPORT_SYMBOL_GPL(snd_hdac_sync_audio_rate);
/**
* snd_hdac_acomp_get_eld - Get the audio state and ELD via component
- * @bus: HDA core bus
+ * @codec: HDA codec
* @nid: the pin widget NID
* @audio_enabled: the pointer to store the current audio state
* @buffer: the buffer pointer to store ELD bytes
@@ -217,16 +236,17 @@ EXPORT_SYMBOL_GPL(snd_hdac_sync_audio_rate);
* thus it may be over @max_bytes. If it's over @max_bytes, it implies
* that only a part of ELD bytes have been fetched.
*/
-int snd_hdac_acomp_get_eld(struct hdac_bus *bus, hda_nid_t nid,
+int snd_hdac_acomp_get_eld(struct hdac_device *codec, hda_nid_t nid,
bool *audio_enabled, char *buffer, int max_bytes)
{
+ struct hdac_bus *bus = codec->bus;
struct i915_audio_component *acomp = bus->audio_component;
int port;
if (!acomp || !acomp->ops || !acomp->ops->get_eld)
return -ENODEV;
- port = pin2port(nid);
+ port = pin2port(codec, nid);
if (port < 0)
return -EINVAL;
return acomp->ops->get_eld(acomp->dev, port, audio_enabled,
@@ -338,6 +358,9 @@ int snd_hdac_i915_init(struct hdac_bus *bus)
struct i915_audio_component *acomp;
int ret;
+ if (WARN_ON(hdac_acomp))
+ return -EBUSY;
+
if (!i915_gfx_present())
return -ENODEV;
@@ -371,6 +394,7 @@ out_master_del:
out_err:
kfree(acomp);
bus->audio_component = NULL;
+ hdac_acomp = NULL;
dev_info(dev, "failed to add i915 component master (%d)\n", ret);
return ret;
@@ -404,6 +428,7 @@ int snd_hdac_i915_exit(struct hdac_bus *bus)
kfree(acomp);
bus->audio_component = NULL;
+ hdac_acomp = NULL;
return 0;
}
diff --git a/sound/hda/hdmi_chmap.c b/sound/hda/hdmi_chmap.c
index d7ec86263828..c6c75e7e0981 100644
--- a/sound/hda/hdmi_chmap.c
+++ b/sound/hda/hdmi_chmap.c
@@ -625,13 +625,30 @@ static void hdmi_cea_alloc_to_tlv_chmap(struct hdac_chmap *hchmap,
WARN_ON(count != channels);
}
+static int spk_mask_from_spk_alloc(int spk_alloc)
+{
+ int i;
+ int spk_mask = eld_speaker_allocation_bits[0];
+
+ for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
+ if (spk_alloc & (1 << i))
+ spk_mask |= eld_speaker_allocation_bits[i];
+ }
+
+ return spk_mask;
+}
+
static int hdmi_chmap_ctl_tlv(struct snd_kcontrol *kcontrol, int op_flag,
unsigned int size, unsigned int __user *tlv)
{
struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
struct hdac_chmap *chmap = info->private_data;
+ int pcm_idx = kcontrol->private_value;
unsigned int __user *dst;
int chs, count = 0;
+ unsigned long max_chs;
+ int type;
+ int spk_alloc, spk_mask;
if (size < 8)
return -ENOMEM;
@@ -639,40 +656,59 @@ static int hdmi_chmap_ctl_tlv(struct snd_kcontrol *kcontrol, int op_flag,
return -EFAULT;
size -= 8;
dst = tlv + 2;
- for (chs = 2; chs <= chmap->channels_max; chs++) {
+
+ spk_alloc = chmap->ops.get_spk_alloc(chmap->hdac, pcm_idx);
+ spk_mask = spk_mask_from_spk_alloc(spk_alloc);
+
+ max_chs = hweight_long(spk_mask);
+
+ for (chs = 2; chs <= max_chs; chs++) {
int i;
struct hdac_cea_channel_speaker_allocation *cap;
cap = channel_allocations;
for (i = 0; i < ARRAY_SIZE(channel_allocations); i++, cap++) {
int chs_bytes = chs * 4;
- int type = chmap->ops.chmap_cea_alloc_validate_get_type(
- chmap, cap, chs);
unsigned int tlv_chmap[8];
- if (type < 0)
+ if (cap->channels != chs)
+ continue;
+
+ if (!(cap->spk_mask == (spk_mask & cap->spk_mask)))
continue;
+
+ type = chmap->ops.chmap_cea_alloc_validate_get_type(
+ chmap, cap, chs);
+ if (type < 0)
+ return -ENODEV;
if (size < 8)
return -ENOMEM;
+
if (put_user(type, dst) ||
put_user(chs_bytes, dst + 1))
return -EFAULT;
+
dst += 2;
size -= 8;
count += 8;
+
if (size < chs_bytes)
return -ENOMEM;
+
size -= chs_bytes;
count += chs_bytes;
chmap->ops.cea_alloc_to_tlv_chmap(chmap, cap,
tlv_chmap, chs);
+
if (copy_to_user(dst, tlv_chmap, chs_bytes))
return -EFAULT;
dst += chs;
}
}
+
if (put_user(count, tlv + 1))
return -EFAULT;
+
return 0;
}
generated by cgit (git 2.34.1) at 2024-05-04 20:50:38 +0000