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ALSA: hda - Define AC_FMT_* constants 

Define constants for the HD-audio stream format bits, and replace the
magic numbers in codes.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2010-08-03 14:21:00 +02:00
parent 1b0e372d7b
commit 92f10b3f5d
3 changed files with 50 additions and 21 deletions
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41
sound/pci/hda/hda_codec.c
View File

@ -3013,26 +3013,31 @@ struct hda_rate_tbl {
unsigned int hda_fmt;
};
/* rate = base * mult / div */
#define HDA_RATE(base, mult, div) \
(AC_FMT_BASE_##base##K | (((mult) - 1) << AC_FMT_MULT_SHIFT) | \
(((div) - 1) << AC_FMT_DIV_SHIFT))
static struct hda_rate_tbl rate_bits[] = {
/* rate in Hz, ALSA rate bitmask, HDA format value */
/* autodetected value used in snd_hda_query_supported_pcm */
{ 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
{ 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
{ 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
{ 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
{ 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
{ 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
{ 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
{ 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
{ 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
{ 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
{ 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
{ 8000, SNDRV_PCM_RATE_8000, HDA_RATE(48, 1, 6) },
{ 11025, SNDRV_PCM_RATE_11025, HDA_RATE(44, 1, 4) },
{ 16000, SNDRV_PCM_RATE_16000, HDA_RATE(48, 1, 3) },
{ 22050, SNDRV_PCM_RATE_22050, HDA_RATE(44, 1, 2) },
{ 32000, SNDRV_PCM_RATE_32000, HDA_RATE(48, 2, 3) },
{ 44100, SNDRV_PCM_RATE_44100, HDA_RATE(44, 1, 1) },
{ 48000, SNDRV_PCM_RATE_48000, HDA_RATE(48, 1, 1) },
{ 88200, SNDRV_PCM_RATE_88200, HDA_RATE(44, 2, 1) },
{ 96000, SNDRV_PCM_RATE_96000, HDA_RATE(48, 2, 1) },
{ 176400, SNDRV_PCM_RATE_176400, HDA_RATE(44, 4, 1) },
{ 192000, SNDRV_PCM_RATE_192000, HDA_RATE(48, 4, 1) },
#define AC_PAR_PCM_RATE_BITS 11
/* up to bits 10, 384kHZ isn't supported properly */
/* not autodetected value */
{ 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
{ 9600, SNDRV_PCM_RATE_KNOT, HDA_RATE(48, 1, 5) },
{ 0 } /* terminator */
};
@ -3075,20 +3080,20 @@ unsigned int snd_hda_calc_stream_format(unsigned int rate,
switch (snd_pcm_format_width(format)) {
case 8:
val |= 0x00;
val |= AC_FMT_BITS_8;
break;
case 16:
val |= 0x10;
val |= AC_FMT_BITS_16;
break;
case 20:
case 24:
case 32:
if (maxbps >= 32 || format == SNDRV_PCM_FORMAT_FLOAT_LE)
val |= 0x40;
val |= AC_FMT_BITS_32;
else if (maxbps >= 24)
val |= 0x30;
val |= AC_FMT_BITS_24;
else
val |= 0x20;
val |= AC_FMT_BITS_20;
break;
default:
snd_printdd("invalid format width %d\n",
@ -3097,7 +3102,7 @@ unsigned int snd_hda_calc_stream_format(unsigned int rate,
}
if (spdif_ctls & AC_DIG1_NONAUDIO)
val |= 0x8000;
val |= AC_FMT_TYPE_NON_PCM;
return val;
}

21
sound/pci/hda/hda_codec.h
View File

@ -224,6 +224,27 @@ enum {
/* Input converter SDI select */
#define AC_SDI_SELECT (0xf<<0)
/* stream format id */
#define AC_FMT_CHAN_SHIFT 0
#define AC_FMT_CHAN_MASK (0x0f << 0)
#define AC_FMT_BITS_SHIFT 4
#define AC_FMT_BITS_MASK (7 << 4)
#define AC_FMT_BITS_8 (0 << 4)
#define AC_FMT_BITS_16 (1 << 4)
#define AC_FMT_BITS_20 (2 << 4)
#define AC_FMT_BITS_24 (3 << 4)
#define AC_FMT_BITS_32 (4 << 4)
#define AC_FMT_DIV_SHIFT 8
#define AC_FMT_DIV_MASK (7 << 8)
#define AC_FMT_MULT_SHIFT 11
#define AC_FMT_MULT_MASK (7 << 11)
#define AC_FMT_BASE_SHIFT 14
#define AC_FMT_BASE_48K (0 << 14)
#define AC_FMT_BASE_44K (1 << 14)
#define AC_FMT_TYPE_SHIFT 15
#define AC_FMT_TYPE_PCM (0 << 15)
#define AC_FMT_TYPE_NON_PCM (1 << 15)
/* Unsolicited response control */
#define AC_UNSOL_TAG (0x3f<<0)
#define AC_UNSOL_ENABLED (1<<7)

9
sound/pci/hda/patch_hdmi.c
View File

@ -698,6 +698,10 @@ static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
* Callbacks
*/
/* HBR should be Non-PCM, 8 channels */
#define is_hbr_format(format) \
((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t nid,
u32 stream_tag, int format)
{
@ -718,8 +722,7 @@ static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t nid,
AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
new_pinctl = pinctl & ~AC_PINCTL_EPT;
/* Non-PCM, 8 channels */
if ((format & 0x8000) && (format & 0x0f) == 7)
if (is_hbr_format(format))
new_pinctl |= AC_PINCTL_EPT_HBR;
else
new_pinctl |= AC_PINCTL_EPT_NATIVE;
@ -736,7 +739,7 @@ static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t nid,
new_pinctl);
}
if ((format & 0x8000) && (format & 0x0f) == 7 && !new_pinctl) {
if (is_hbr_format(format) && !new_pinctl) {
snd_printdd("hdmi_setup_stream: HBR is not supported\n");
return -EINVAL;
}