#include <sound/core.h>
#include "hda_codec.h"
#include "hda_local.h"
-#include "hda_patch.h"
#define CVT_NID 0x02 /* audio converter */
#define PIN_NID 0x03 /* HDMI output pin */
{} /* terminator */
};
-static struct hda_verb pinout_disable_verb[] = {
- {PIN_NID, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x00},
- {}
-};
-
static struct hda_verb unsolicited_response_verb[] = {
{PIN_NID, AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN |
INTEL_HDMI_EVENT_TAG},
static void hdmi_enable_output(struct hda_codec *codec)
{
- /* Enable Audio InfoFrame Transmission */
- 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);
/* Unmute */
if (get_wcaps(codec, PIN_NID) & AC_WCAP_OUT_AMP)
snd_hda_codec_write(codec, PIN_NID, 0,
snd_hda_sequence_write(codec, pinout_enable_verb);
}
-static void hdmi_disable_output(struct hda_codec *codec)
+/*
+ * Enable Audio InfoFrame Transmission
+ */
+static void hdmi_start_infoframe_trans(struct hda_codec *codec)
{
- snd_hda_sequence_write(codec, pinout_disable_verb);
- 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_MUTE);
+ 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);
+}
- /*
- * FIXME: noises may arise when playing music after reloading the
- * kernel module, until the next X restart or monitor repower.
- */
+/*
+ * 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)
AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
if (chs != hdmi_get_channel_count(codec))
- snd_printd(KERN_INFO "Channel count expect=%d, real=%d\n",
+ snd_printd(KERN_INFO "HDMI channel count: expect %d, get %d\n",
chs, hdmi_get_channel_count(codec));
}
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 "ASP channel %d => slot %d\n",
+ printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n",
slot >> 4, slot & 0x7);
}
#endif
int size;
size = snd_hdmi_get_eld_size(codec, PIN_NID);
- printk(KERN_DEBUG "ELD buf size is %d\n", size);
+ 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 "DIP GP[%d] buf size is %d\n", i, size);
+ printk(KERN_DEBUG "HDMI: DIP GP[%d] buf size is %d\n", i, size);
}
#endif
}
break;
}
snd_printd(KERN_INFO
- "DIP GP[%d] buf reported size=%d, written=%d\n",
- i, size, j);
+ "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
+ i, size, j);
}
#endif
}
/*
* CA defaults to 0 for basic stereo audio
*/
- if (!eld->eld_ver)
- return 0;
- if (!eld->spk_alloc)
- return 0;
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,
(spk_mask & channel_allocations[i].spk_mask) ==
channel_allocations[i].spk_mask) {
ai->CA = channel_allocations[i].ca_index;
- return 0;
+ break;
}
}
snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf));
- snd_printd(KERN_INFO "failed to setup channel allocation: %d of %s\n",
- channels, buf);
- return -1;
+ 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,
hdmi_setup_channel_mapping(codec, &ai);
hdmi_fill_audio_infoframe(codec, &ai);
+ hdmi_start_infoframe_trans(codec);
}
int pind = !!(res & AC_UNSOL_RES_PD);
int eldv = !!(res & AC_UNSOL_RES_ELDV);
- printk(KERN_INFO "HDMI intrinsic event: PD=%d ELDV=%d\n", pind, eldv);
+ printk(KERN_INFO
+ "HDMI hot plug event: Presence_Detect=%d ELD_Valid=%d\n",
+ pind, eldv);
if (pind && eldv) {
hdmi_parse_eld(codec);
int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
- printk(KERN_INFO "HDMI non-intrinsic event: "
- "SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
- subtag,
- cp_state,
- cp_ready);
+ printk(KERN_INFO
+ "HDMI content protection event: SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
+ subtag,
+ cp_state,
+ cp_ready);
- /* who cares? */
+ /* TODO */
if (cp_state)
;
if (cp_ready)
int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
if (tag != INTEL_HDMI_EVENT_TAG) {
- snd_printd(KERN_INFO
- "Unexpected HDMI unsolicited event tag 0x%x\n",
- tag);
+ snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag);
return;
}
{
struct intel_hdmi_spec *spec = codec->spec;
- hdmi_disable_output(codec);
+ hdmi_stop_infoframe_trans(codec);
return snd_hda_multi_out_dig_close(codec, &spec->multiout);
}
hdmi_setup_audio_infoframe(codec, substream);
- hdmi_enable_output(codec);
-
return 0;
}
static int intel_hdmi_init(struct hda_codec *codec)
{
- /* disable audio output as early as possible */
- hdmi_disable_output(codec);
+ hdmi_enable_output(codec);
snd_hda_sequence_write(codec, unsolicited_response_verb);
return 0;
}
-struct hda_codec_preset snd_hda_preset_intelhdmi[] = {
- { .id = 0x808629fb, .name = "INTEL G45 DEVCL", .patch = patch_intel_hdmi },
- { .id = 0x80862801, .name = "INTEL G45 DEVBLC", .patch = patch_intel_hdmi },
- { .id = 0x80862802, .name = "INTEL G45 DEVCTG", .patch = patch_intel_hdmi },
- { .id = 0x80862803, .name = "INTEL G45 DEVELK", .patch = patch_intel_hdmi },
+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 = 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: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)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff