[alsa-devel] PATCH - via82xx vt1618 7.1 Audio Support
Takashi Iwai
tiwai at suse.de
Thu Aug 28 16:12:52 CEST 2008
At Wed, 27 Aug 2008 14:57:39 -0700,
John L. Utz III wrote:
>
> 1. Implement 7.1 Output for vt1618 codec.
> 2. Fix typos in comments from my previous 1617a patch.
>
> Signed-off-by: John L. Utz III <john.utz at dmx.com>
Thanks. Since the embedded patch is broken (likely due to your MUA),
I applied it manually now. Check it later whether it's OK.
Takashi
>
> diff --git a/pci/ac97/ac97_codec.c b/pci/ac97/ac97_codec.c
> index d0023e9..89f3050 100644
> --- a/pci/ac97/ac97_codec.c
> +++ b/pci/ac97/ac97_codec.c
> @@ -168,7 +168,7 @@ static const struct ac97_codec_id snd_ac97_codec_ids[]
> = {
> { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
> { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232
> with S/PDIF
> { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified
> VT1616 with S/PDIF
> -{ 0x56494182, 0xffffffff, "VIA1618", NULL, NULL },
> +{ 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL },
> { 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
> { 0x574d4c00, 0xffffffff, "WM9701,WM9701A", NULL, NULL },
> { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03,
> NULL},
> @@ -609,7 +609,6 @@ AC97_SINGLE("PC Speaker Playback Volume",
> AC97_PC_BEEP, 1, 15, 1)
> static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
> AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
>
> -
> static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line",
> "Mix", "Mix Mono", "Phone"};
> static const char* std_3d_path[] = {"pre 3D", "post 3D"};
> static const char* std_mix[] = {"Mix", "Mic"};
> diff --git a/pci/ac97/ac97_patch.c b/pci/ac97/ac97_patch.c
> index bb028f8..7d5abf5 100644
> --- a/pci/ac97/ac97_patch.c
> +++ b/pci/ac97/ac97_patch.c
> @@ -3465,7 +3465,7 @@ static int patch_vt1616(struct snd_ac97 * ac97)
>
> /*
> * unfortunately, the vt1617a stashes the twiddlers required for
> - * nooding the i/o jacks on 2 different regs. * thameans that we cant
> + * noodling the i/o jacks on 2 different regs. that means that we cant
> * use the easy way provided by AC97_ENUM_DOUBLE() we have to write
> * are own funcs.
> *
> @@ -3498,7 +3498,7 @@ static int snd_ac97_vt1617a_smart51_get(struct
> snd_kcontrol *kcontrol,
>
> pac97 = snd_kcontrol_chip(kcontrol); /* grab codec handle */
>
> - /* grab our desirec bits, then mash them together in a manner
> + /* grab our desired bits, then mash them together in a manner
> * consistent with Table 6 on page 17 in the 1617a docs */
>
> usSM51 = snd_ac97_read(pac97, 0x7a) >> 14;
> @@ -3576,6 +3576,201 @@ int patch_vt1617a(struct snd_ac97 * ac97)
> return err;
> }
>
> +/* VIA VT1618 8 CHANNEL AC97 CODEC
> + *
> + * VIA implements 'Smart 5.1' completely differently on the 1618 than
> + * it does on the 1617a. awesome! They seem to have sourced this
> + * particular revision of the technology from somebody else, it's
> + * called Universal Audio Jack and it shows up on some other folk's chips
> + * as well.
> + *
> + * ordering in this list reflects vt1618 docs for Reg 60h and
> + * the block diagram, DACs are as follows:
> + *
> + * OUT_O -> Front,
> + * OUT_1 -> Surround,
> + * OUT_2 -> C/LFE
> + *
> + * Unlike the 1617a, each OUT has a consistent set of mappings
> + * for all bitpatterns other than 00:
> + *
> + * 01 Unmixed Output
> + * 10 Line In
> + * 11 Mic In
> + *
> + * Special Case of 00:
> + *
> + * OUT_0 Mixed Output
> + * OUT_1 Reserved
> + * OUT_2 Reserved
> + *
> + * I have no idea what the hell Reserved does, but on an MSI
> + * CN700T, i have to set it to get 5.1 output - YMMV, bad
> + * shit may happen.
> + *
> + * If other chips use Universal Audio Jack, then this code might be
> applicable
> + * to them.
> + */
> +
> +struct vt1618_uaj_item {
> + unsigned short mask;
> + unsigned short shift;
> + const char *items[4];
> +};
> +
> +/* This list reflects the vt1618 docs for Vendor Defined Register 0x60. */
> +
> +static struct vt1618_uaj_item vt1618_uaj[3] = {
> + {
> + /* speaker jack */
> + .mask = 0x03,
> + .shift = 0,
> + .items = {
> + "Speaker Out", "DAC Unmixed Out", "Line In", "Mic In"
> + }
> + },
> + {
> + /* line jack */
> + .mask = 0x0c,
> + .shift = 2,
> + .items = {
> + "Surround Out", "DAC Unmixed Out", "Line In", "Mic In"
> + }
> + },
> + {
> + /* mic jack */
> + .mask = 0x30,
> + .shift = 4,
> + .items = {
> + "Center LFE Out", "DAC Unmixed Out", "Line In", "Mic In"
> + },
> + },
> +};
> +
> +static int snd_ac97_vt1618_UAJ_info(struct snd_kcontrol *kcontrol,
> + struct snd_ctl_elem_info *uinfo)
> +{
> + return ac97_enum_text_info(kcontrol, uinfo,
> + vt1618_uaj[kcontrol->private_value].items,
> + 4);
> +}
> +
> +/* All of the vt1618 Universal Audio Jack twiddlers are on
> + Vendor Defined Register 0x60, page 0. The bits, and thus
> + the mask, are the only thing that changes */
> +
> +static int snd_ac97_vt1618_UAJ_get(struct snd_kcontrol *kcontrol,
> + struct snd_ctl_elem_value *ucontrol)
> +{
> + unsigned short datpag, uaj;
> +
> + struct snd_ac97 *pac97 = snd_kcontrol_chip(kcontrol);
> +
> + mutex_lock(&pac97->page_mutex);
> +
> + datpag = snd_ac97_read(pac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
> + snd_ac97_update_bits(pac97, AC97_INT_PAGING, AC97_PAGE_MASK, 0);
> +
> + uaj = snd_ac97_read(pac97, 0x60) &
> + vt1618_uaj[kcontrol->private_value].mask;
> +
> + snd_ac97_update_bits(pac97, AC97_INT_PAGING, AC97_PAGE_MASK, datpag);
> + mutex_unlock(&pac97->page_mutex);
> +
> + ucontrol->value.enumerated.item[0] = uaj >>
> + vt1618_uaj[kcontrol->private_value].shift;
> +
> + return 0;
> +}
> +
> +static int snd_ac97_vt1618_UAJ_put(struct snd_kcontrol *kcontrol,
> + struct snd_ctl_elem_value *ucontrol)
> +{
> + return ac97_update_bits_page(snd_kcontrol_chip(kcontrol), 0x60,
> + vt1618_uaj[kcontrol->private_value].mask,
> + ucontrol->value.enumerated.item[0]<<
> + vt1618_uaj[kcontrol->private_value].shift,
> + 0);
> +}
> +
> +/* config aux in jack - not found on 3 jack motherboards or soundcards */
> +
> +static int snd_ac97_vt1618_aux_info(struct snd_kcontrol *kcontrol,
> + struct snd_ctl_elem_info *uinfo)
> +{
> + static const char *txt_aux[] = {"Aux In", "Back Surr Out"};
> +
> + return ac97_enum_text_info(kcontrol, uinfo, txt_aux, 2);
> +}
> +
> +static int snd_ac97_vt1618_aux_get(struct snd_kcontrol *kcontrol,
> + struct snd_ctl_elem_value *ucontrol)
> +{
> + ucontrol->value.enumerated.item[0] =
> + (snd_ac97_read(snd_kcontrol_chip(kcontrol), 0x5c) & 0x0008)>>3;
> + return 0;
> +}
> +
> +static int snd_ac97_vt1618_aux_put(struct snd_kcontrol *kcontrol,
> + struct snd_ctl_elem_value *ucontrol)
> +{
> + /* toggle surround rear dac power */
> +
> + snd_ac97_update_bits(snd_kcontrol_chip(kcontrol), 0x5c, 0x0008,
> + ucontrol->value.enumerated.item[0] << 3);
> +
> + /* toggle aux in surround rear out jack */
> +
> + return snd_ac97_update_bits(snd_kcontrol_chip(kcontrol), 0x76, 0x0008,
> + ucontrol->value.enumerated.item[0] << 3);
> +}
> +
> +static const struct snd_kcontrol_new snd_ac97_controls_vt1618[] = {
> + AC97_SINGLE("Exchange Center/LFE", 0x5a, 8, 1, 0),
> + AC97_SINGLE("DC Offset", 0x5a, 10, 1, 0),
> + AC97_SINGLE("Soft Mute", 0x5c, 0, 1, 1),
> + AC97_SINGLE("Headphone Amp", 0x5c, 5, 1, 1),
> + AC97_DOUBLE("Back Surr Volume", 0x5e, 8, 0, 31, 1),
> + AC97_SINGLE("Back Surr Switch", 0x5e, 15, 1, 1),
> + {
> + .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
> + .name = "Speaker Jack Mode",
> + .info = snd_ac97_vt1618_UAJ_info,
> + .get = snd_ac97_vt1618_UAJ_get,
> + .put = snd_ac97_vt1618_UAJ_put,
> + .private_value = 0
> + },
> + {
> + .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
> + .name = "Line Jack Mode",
> + .info = snd_ac97_vt1618_UAJ_info,
> + .get = snd_ac97_vt1618_UAJ_get,
> + .put = snd_ac97_vt1618_UAJ_put,
> + .private_value = 1
> + },
> + {
> + .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
> + .name = "Mic Jack Mode",
> + .info = snd_ac97_vt1618_UAJ_info,
> + .get = snd_ac97_vt1618_UAJ_get,
> + .put = snd_ac97_vt1618_UAJ_put,
> + .private_value = 2
> + },
> + {
> + .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
> + .name = "Aux Jack Mode",
> + .info = snd_ac97_vt1618_aux_info,
> + .get = snd_ac97_vt1618_aux_get,
> + .put = snd_ac97_vt1618_aux_put,
> + }
> +};
> +
> +int patch_vt1618(struct snd_ac97 *ac97)
> +{
> + return patch_build_controls(ac97, snd_ac97_controls_vt1618,
> + ARRAY_SIZE(snd_ac97_controls_vt1618));
> +}
> +
> /*
> */
> static void it2646_update_jacks(struct snd_ac97 *ac97)
>
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