|
@@ -3191,311 +3191,6 @@ int snd_hda_codec_build_controls(struct hda_codec *codec)
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
-/*
|
|
|
- * stream formats
|
|
|
- */
|
|
|
-struct hda_rate_tbl {
|
|
|
- unsigned int hz;
|
|
|
- unsigned int alsa_bits;
|
|
|
- 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, 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, HDA_RATE(48, 1, 5) },
|
|
|
-
|
|
|
- { 0 } /* terminator */
|
|
|
-};
|
|
|
-
|
|
|
-/**
|
|
|
- * snd_hda_calc_stream_format - calculate format bitset
|
|
|
- * @codec: HD-audio codec
|
|
|
- * @rate: the sample rate
|
|
|
- * @channels: the number of channels
|
|
|
- * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
|
|
|
- * @maxbps: the max. bps
|
|
|
- * @spdif_ctls: HD-audio SPDIF status bits (0 if irrelevant)
|
|
|
- *
|
|
|
- * Calculate the format bitset from the given rate, channels and th PCM format.
|
|
|
- *
|
|
|
- * Return zero if invalid.
|
|
|
- */
|
|
|
-unsigned int snd_hda_calc_stream_format(struct hda_codec *codec,
|
|
|
- unsigned int rate,
|
|
|
- unsigned int channels,
|
|
|
- unsigned int format,
|
|
|
- unsigned int maxbps,
|
|
|
- unsigned short spdif_ctls)
|
|
|
-{
|
|
|
- int i;
|
|
|
- unsigned int val = 0;
|
|
|
-
|
|
|
- for (i = 0; rate_bits[i].hz; i++)
|
|
|
- if (rate_bits[i].hz == rate) {
|
|
|
- val = rate_bits[i].hda_fmt;
|
|
|
- break;
|
|
|
- }
|
|
|
- if (!rate_bits[i].hz) {
|
|
|
- codec_dbg(codec, "invalid rate %d\n", rate);
|
|
|
- return 0;
|
|
|
- }
|
|
|
-
|
|
|
- if (channels == 0 || channels > 8) {
|
|
|
- codec_dbg(codec, "invalid channels %d\n", channels);
|
|
|
- return 0;
|
|
|
- }
|
|
|
- val |= channels - 1;
|
|
|
-
|
|
|
- switch (snd_pcm_format_width(format)) {
|
|
|
- case 8:
|
|
|
- val |= AC_FMT_BITS_8;
|
|
|
- break;
|
|
|
- case 16:
|
|
|
- val |= AC_FMT_BITS_16;
|
|
|
- break;
|
|
|
- case 20:
|
|
|
- case 24:
|
|
|
- case 32:
|
|
|
- if (maxbps >= 32 || format == SNDRV_PCM_FORMAT_FLOAT_LE)
|
|
|
- val |= AC_FMT_BITS_32;
|
|
|
- else if (maxbps >= 24)
|
|
|
- val |= AC_FMT_BITS_24;
|
|
|
- else
|
|
|
- val |= AC_FMT_BITS_20;
|
|
|
- break;
|
|
|
- default:
|
|
|
- codec_dbg(codec, "invalid format width %d\n",
|
|
|
- snd_pcm_format_width(format));
|
|
|
- return 0;
|
|
|
- }
|
|
|
-
|
|
|
- if (spdif_ctls & AC_DIG1_NONAUDIO)
|
|
|
- val |= AC_FMT_TYPE_NON_PCM;
|
|
|
-
|
|
|
- return val;
|
|
|
-}
|
|
|
-EXPORT_SYMBOL_GPL(snd_hda_calc_stream_format);
|
|
|
-
|
|
|
-static unsigned int query_pcm_param(struct hda_codec *codec, hda_nid_t nid)
|
|
|
-{
|
|
|
- unsigned int val = 0;
|
|
|
- if (nid != codec->core.afg &&
|
|
|
- (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD))
|
|
|
- val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
|
|
|
- if (!val || val == -1)
|
|
|
- val = snd_hda_param_read(codec, codec->core.afg, AC_PAR_PCM);
|
|
|
- if (!val || val == -1)
|
|
|
- return 0;
|
|
|
- return val;
|
|
|
-}
|
|
|
-
|
|
|
-static unsigned int query_stream_param(struct hda_codec *codec, hda_nid_t nid)
|
|
|
-{
|
|
|
- unsigned int streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
|
|
|
- if (!streams || streams == -1)
|
|
|
- streams = snd_hda_param_read(codec, codec->core.afg, AC_PAR_STREAM);
|
|
|
- if (!streams || streams == -1)
|
|
|
- return 0;
|
|
|
- return streams;
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * snd_hda_query_supported_pcm - query the supported PCM rates and formats
|
|
|
- * @codec: the HDA codec
|
|
|
- * @nid: NID to query
|
|
|
- * @ratesp: the pointer to store the detected rate bitflags
|
|
|
- * @formatsp: the pointer to store the detected formats
|
|
|
- * @bpsp: the pointer to store the detected format widths
|
|
|
- *
|
|
|
- * Queries the supported PCM rates and formats. The NULL @ratesp, @formatsp
|
|
|
- * or @bsps argument is ignored.
|
|
|
- *
|
|
|
- * Returns 0 if successful, otherwise a negative error code.
|
|
|
- */
|
|
|
-int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
|
|
|
- u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
|
|
|
-{
|
|
|
- unsigned int i, val, wcaps;
|
|
|
-
|
|
|
- wcaps = get_wcaps(codec, nid);
|
|
|
- val = query_pcm_param(codec, nid);
|
|
|
-
|
|
|
- if (ratesp) {
|
|
|
- u32 rates = 0;
|
|
|
- for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) {
|
|
|
- if (val & (1 << i))
|
|
|
- rates |= rate_bits[i].alsa_bits;
|
|
|
- }
|
|
|
- if (rates == 0) {
|
|
|
- codec_err(codec,
|
|
|
- "rates == 0 (nid=0x%x, val=0x%x, ovrd=%i)\n",
|
|
|
- nid, val,
|
|
|
- (wcaps & AC_WCAP_FORMAT_OVRD) ? 1 : 0);
|
|
|
- return -EIO;
|
|
|
- }
|
|
|
- *ratesp = rates;
|
|
|
- }
|
|
|
-
|
|
|
- if (formatsp || bpsp) {
|
|
|
- u64 formats = 0;
|
|
|
- unsigned int streams, bps;
|
|
|
-
|
|
|
- streams = query_stream_param(codec, nid);
|
|
|
- if (!streams)
|
|
|
- return -EIO;
|
|
|
-
|
|
|
- bps = 0;
|
|
|
- if (streams & AC_SUPFMT_PCM) {
|
|
|
- if (val & AC_SUPPCM_BITS_8) {
|
|
|
- formats |= SNDRV_PCM_FMTBIT_U8;
|
|
|
- bps = 8;
|
|
|
- }
|
|
|
- if (val & AC_SUPPCM_BITS_16) {
|
|
|
- formats |= SNDRV_PCM_FMTBIT_S16_LE;
|
|
|
- bps = 16;
|
|
|
- }
|
|
|
- if (wcaps & AC_WCAP_DIGITAL) {
|
|
|
- if (val & AC_SUPPCM_BITS_32)
|
|
|
- formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
|
|
|
- if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
|
|
|
- formats |= SNDRV_PCM_FMTBIT_S32_LE;
|
|
|
- if (val & AC_SUPPCM_BITS_24)
|
|
|
- bps = 24;
|
|
|
- else if (val & AC_SUPPCM_BITS_20)
|
|
|
- bps = 20;
|
|
|
- } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|
|
|
|
- AC_SUPPCM_BITS_32)) {
|
|
|
- formats |= SNDRV_PCM_FMTBIT_S32_LE;
|
|
|
- if (val & AC_SUPPCM_BITS_32)
|
|
|
- bps = 32;
|
|
|
- else if (val & AC_SUPPCM_BITS_24)
|
|
|
- bps = 24;
|
|
|
- else if (val & AC_SUPPCM_BITS_20)
|
|
|
- bps = 20;
|
|
|
- }
|
|
|
- }
|
|
|
-#if 0 /* FIXME: CS4206 doesn't work, which is the only codec supporting float */
|
|
|
- if (streams & AC_SUPFMT_FLOAT32) {
|
|
|
- formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
|
|
|
- if (!bps)
|
|
|
- bps = 32;
|
|
|
- }
|
|
|
-#endif
|
|
|
- if (streams == AC_SUPFMT_AC3) {
|
|
|
- /* should be exclusive */
|
|
|
- /* temporary hack: we have still no proper support
|
|
|
- * for the direct AC3 stream...
|
|
|
- */
|
|
|
- formats |= SNDRV_PCM_FMTBIT_U8;
|
|
|
- bps = 8;
|
|
|
- }
|
|
|
- if (formats == 0) {
|
|
|
- codec_err(codec,
|
|
|
- "formats == 0 (nid=0x%x, val=0x%x, ovrd=%i, streams=0x%x)\n",
|
|
|
- nid, val,
|
|
|
- (wcaps & AC_WCAP_FORMAT_OVRD) ? 1 : 0,
|
|
|
- streams);
|
|
|
- return -EIO;
|
|
|
- }
|
|
|
- if (formatsp)
|
|
|
- *formatsp = formats;
|
|
|
- if (bpsp)
|
|
|
- *bpsp = bps;
|
|
|
- }
|
|
|
-
|
|
|
- return 0;
|
|
|
-}
|
|
|
-EXPORT_SYMBOL_GPL(snd_hda_query_supported_pcm);
|
|
|
-
|
|
|
-/**
|
|
|
- * snd_hda_is_supported_format - Check the validity of the format
|
|
|
- * @codec: HD-audio codec
|
|
|
- * @nid: NID to check
|
|
|
- * @format: the HD-audio format value to check
|
|
|
- *
|
|
|
- * Check whether the given node supports the format value.
|
|
|
- *
|
|
|
- * Returns 1 if supported, 0 if not.
|
|
|
- */
|
|
|
-int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
|
|
|
- unsigned int format)
|
|
|
-{
|
|
|
- int i;
|
|
|
- unsigned int val = 0, rate, stream;
|
|
|
-
|
|
|
- val = query_pcm_param(codec, nid);
|
|
|
- if (!val)
|
|
|
- return 0;
|
|
|
-
|
|
|
- rate = format & 0xff00;
|
|
|
- for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)
|
|
|
- if (rate_bits[i].hda_fmt == rate) {
|
|
|
- if (val & (1 << i))
|
|
|
- break;
|
|
|
- return 0;
|
|
|
- }
|
|
|
- if (i >= AC_PAR_PCM_RATE_BITS)
|
|
|
- return 0;
|
|
|
-
|
|
|
- stream = query_stream_param(codec, nid);
|
|
|
- if (!stream)
|
|
|
- return 0;
|
|
|
-
|
|
|
- if (stream & AC_SUPFMT_PCM) {
|
|
|
- switch (format & 0xf0) {
|
|
|
- case 0x00:
|
|
|
- if (!(val & AC_SUPPCM_BITS_8))
|
|
|
- return 0;
|
|
|
- break;
|
|
|
- case 0x10:
|
|
|
- if (!(val & AC_SUPPCM_BITS_16))
|
|
|
- return 0;
|
|
|
- break;
|
|
|
- case 0x20:
|
|
|
- if (!(val & AC_SUPPCM_BITS_20))
|
|
|
- return 0;
|
|
|
- break;
|
|
|
- case 0x30:
|
|
|
- if (!(val & AC_SUPPCM_BITS_24))
|
|
|
- return 0;
|
|
|
- break;
|
|
|
- case 0x40:
|
|
|
- if (!(val & AC_SUPPCM_BITS_32))
|
|
|
- return 0;
|
|
|
- break;
|
|
|
- default:
|
|
|
- return 0;
|
|
|
- }
|
|
|
- } else {
|
|
|
- /* FIXME: check for float32 and AC3? */
|
|
|
- }
|
|
|
-
|
|
|
- return 1;
|
|
|
-}
|
|
|
-EXPORT_SYMBOL_GPL(snd_hda_is_supported_format);
|
|
|
-
|
|
|
/*
|
|
|
* PCM stuff
|
|
|
*/
|