bus->no_response_fallback = 0;
mutex_unlock(&bus->core.cmd_mutex);
snd_hda_power_down_pm(codec);
- if (!codec_in_pm(codec) && res && err < 0 && bus->rirb_error) {
+ if (!codec_in_pm(codec) && res && err == -EAGAIN) {
if (bus->response_reset) {
codec_dbg(codec,
"resetting BUS due to fatal communication error\n");
- bus->ops.bus_reset(bus);
+ snd_hda_bus_reset(bus);
}
goto again;
}
get_wcaps_type(wcaps) != AC_WID_PIN)
return 0;
- parm = snd_hda_param_read(codec, nid, AC_PAR_DEVLIST_LEN);
- if (parm == -1 && codec->bus->rirb_error)
- parm = 0;
+ if (_snd_hdac_read_parm(&codec->core, nid, AC_PAR_DEVLIST_LEN, &parm))
+ return 0; /* error */
return parm & AC_DEV_LIST_LEN_MASK;
}
devices = 0;
while (devices < dev_len) {
- parm = snd_hda_codec_read(codec, nid, 0,
- AC_VERB_GET_DEVICE_LIST, devices);
- if (parm == -1 && codec->bus->rirb_error)
- break;
+ if (snd_hdac_read(&codec->core, nid,
+ AC_VERB_GET_DEVICE_LIST, devices, &parm))
+ break; /* error */
for (i = 0; i < 8; i++) {
dev_list[devices] = (u8)parm;
return devices;
}
-/*
- * destructor
- */
-static void snd_hda_bus_free(struct hda_bus *bus)
-{
- if (!bus)
- return;
- if (bus->ops.private_free)
- bus->ops.private_free(bus);
- snd_hdac_bus_exit(&bus->core);
- kfree(bus);
-}
-
-static int snd_hda_bus_dev_free(struct snd_device *device)
-{
- snd_hda_bus_free(device->device_data);
- return 0;
-}
-
-static int snd_hda_bus_dev_disconnect(struct snd_device *device)
-{
- struct hda_bus *bus = device->device_data;
- bus->shutdown = 1;
- return 0;
-}
-
-/* hdac_bus_ops translations */
-static int _hda_bus_command(struct hdac_bus *_bus, unsigned int cmd)
-{
- struct hda_bus *bus = container_of(_bus, struct hda_bus, core);
- return bus->ops.command(bus, cmd);
-}
-
-static int _hda_bus_get_response(struct hdac_bus *_bus, unsigned int addr,
- unsigned int *res)
-{
- struct hda_bus *bus = container_of(_bus, struct hda_bus, core);
- *res = bus->ops.get_response(bus, addr);
- return bus->rirb_error ? -EIO : 0;
-}
-
-static const struct hdac_bus_ops bus_ops = {
- .command = _hda_bus_command,
- .get_response = _hda_bus_get_response,
-};
-
-/**
- * snd_hda_bus_new - create a HDA bus
- * @card: the card entry
- * @busp: the pointer to store the created bus instance
- *
- * Returns 0 if successful, or a negative error code.
- */
-int snd_hda_bus_new(struct snd_card *card,
- struct hda_bus **busp)
-{
- struct hda_bus *bus;
- int err;
- static struct snd_device_ops dev_ops = {
- .dev_disconnect = snd_hda_bus_dev_disconnect,
- .dev_free = snd_hda_bus_dev_free,
- };
-
- if (busp)
- *busp = NULL;
-
- bus = kzalloc(sizeof(*bus), GFP_KERNEL);
- if (!bus)
- return -ENOMEM;
-
- err = snd_hdac_bus_init(&bus->core, card->dev, &bus_ops);
- if (err < 0) {
- kfree(bus);
- return err;
- }
-
- bus->card = card;
- mutex_init(&bus->prepare_mutex);
-
- err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
- if (err < 0) {
- snd_hda_bus_free(bus);
- return err;
- }
- if (busp)
- *busp = bus;
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_hda_bus_new);
-
/*
* read widget caps for each widget and store in cache
*/
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
*/
struct hda_pcm *cpcm;
int dev, err;
- if (snd_BUG_ON(!bus->ops.attach_pcm))
- return -EINVAL;
-
err = snd_hda_codec_parse_pcms(codec);
if (err < 0) {
snd_hda_codec_reset(codec);
if (dev < 0)
continue; /* no fatal error */
cpcm->device = dev;
- err = bus->ops.attach_pcm(bus, codec, cpcm);
+ err = snd_hda_attach_pcm_stream(bus, codec, cpcm);
if (err < 0) {
codec_err(codec,
"cannot attach PCM stream %d for codec #%d\n",
EXPORT_SYMBOL_GPL(snd_hda_add_imux_item);
/**
- * snd_hda_bus_reset - Reset the bus
+ * snd_hda_bus_reset_codecs - Reset the bus
* @bus: HD-audio bus
*/
-void snd_hda_bus_reset(struct hda_bus *bus)
+void snd_hda_bus_reset_codecs(struct hda_bus *bus)
{
struct hda_codec *codec;
#endif
}
}
-EXPORT_SYMBOL_GPL(snd_hda_bus_reset);
/**
* snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer
projects / cascardo / linux.git / blobdiff