X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;ds=sidebyside;f=kernel%2Fsound%2Fpci%2Fhda%2Fhda_codec.c;h=83741887faa189c1700abc34bebbd3c55234384d;hb=e09b41010ba33a20a87472ee821fa407a5b8da36;hp=36e8f123663716b9a535a1d96aa8bc03e4a744bb;hpb=f93b97fd65072de626c074dbe099a1fff05ce060;p=kvmfornfv.git diff --git a/kernel/sound/pci/hda/hda_codec.c b/kernel/sound/pci/hda/hda_codec.c index 36e8f1236..83741887f 100644 --- a/kernel/sound/pci/hda/hda_codec.c +++ b/kernel/sound/pci/hda/hda_codec.c @@ -53,76 +53,6 @@ #define codec_has_clkstop(codec) \ ((codec)->core.power_caps & AC_PWRST_CLKSTOP) -/** - * snd_hda_get_jack_location - Give a location string of the jack - * @cfg: pin default config value - * - * Parse the pin default config value and returns the string of the - * jack location, e.g. "Rear", "Front", etc. - */ -const char *snd_hda_get_jack_location(u32 cfg) -{ - static char *bases[7] = { - "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom", - }; - static unsigned char specials_idx[] = { - 0x07, 0x08, - 0x17, 0x18, 0x19, - 0x37, 0x38 - }; - static char *specials[] = { - "Rear Panel", "Drive Bar", - "Riser", "HDMI", "ATAPI", - "Mobile-In", "Mobile-Out" - }; - int i; - cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT; - if ((cfg & 0x0f) < 7) - return bases[cfg & 0x0f]; - for (i = 0; i < ARRAY_SIZE(specials_idx); i++) { - if (cfg == specials_idx[i]) - return specials[i]; - } - return "UNKNOWN"; -} -EXPORT_SYMBOL_GPL(snd_hda_get_jack_location); - -/** - * snd_hda_get_jack_connectivity - Give a connectivity string of the jack - * @cfg: pin default config value - * - * Parse the pin default config value and returns the string of the - * jack connectivity, i.e. external or internal connection. - */ -const char *snd_hda_get_jack_connectivity(u32 cfg) -{ - static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" }; - - return jack_locations[(cfg >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3]; -} -EXPORT_SYMBOL_GPL(snd_hda_get_jack_connectivity); - -/** - * snd_hda_get_jack_type - Give a type string of the jack - * @cfg: pin default config value - * - * Parse the pin default config value and returns the string of the - * jack type, i.e. the purpose of the jack, such as Line-Out or CD. - */ -const char *snd_hda_get_jack_type(u32 cfg) -{ - static char *jack_types[16] = { - "Line Out", "Speaker", "HP Out", "CD", - "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand", - "Line In", "Aux", "Mic", "Telephony", - "SPDIF In", "Digital In", "Reserved", "Other" - }; - - return jack_types[(cfg & AC_DEFCFG_DEVICE) - >> AC_DEFCFG_DEVICE_SHIFT]; -} -EXPORT_SYMBOL_GPL(snd_hda_get_jack_type); - /* * Send and receive a verb - passed to exec_verb override for hdac_device */ @@ -146,11 +76,11 @@ static int codec_exec_verb(struct hdac_device *dev, unsigned int cmd, 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; } @@ -160,50 +90,6 @@ static int codec_exec_verb(struct hdac_device *dev, unsigned int cmd, return err; } -/** - * snd_hda_codec_read - send a command and get the response - * @codec: the HDA codec - * @nid: NID to send the command - * @flags: optional bit flags - * @verb: the verb to send - * @parm: the parameter for the verb - * - * Send a single command and read the corresponding response. - * - * Returns the obtained response value, or -1 for an error. - */ -unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, - int flags, - unsigned int verb, unsigned int parm) -{ - unsigned int cmd = snd_hdac_make_cmd(&codec->core, nid, verb, parm); - unsigned int res; - if (snd_hdac_exec_verb(&codec->core, cmd, flags, &res)) - return -1; - return res; -} -EXPORT_SYMBOL_GPL(snd_hda_codec_read); - -/** - * snd_hda_codec_write - send a single command without waiting for response - * @codec: the HDA codec - * @nid: NID to send the command - * @flags: optional bit flags - * @verb: the verb to send - * @parm: the parameter for the verb - * - * Send a single command without waiting for response. - * - * Returns 0 if successful, or a negative error code. - */ -int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int flags, - unsigned int verb, unsigned int parm) -{ - unsigned int cmd = snd_hdac_make_cmd(&codec->core, nid, verb, parm); - return snd_hdac_exec_verb(&codec->core, cmd, flags, NULL); -} -EXPORT_SYMBOL_GPL(snd_hda_codec_write); - /** * snd_hda_sequence_write - sequence writes * @codec: the HDA codec @@ -437,7 +323,7 @@ static unsigned int get_num_devices(struct hda_codec *codec, hda_nid_t nid) return 0; parm = snd_hdac_read_parm_uncached(&codec->core, nid, AC_PAR_DEVLIST_LEN); - if (parm == -1 && codec->bus->rirb_error) + if (parm == -1) parm = 0; return parm & AC_DEV_LIST_LEN_MASK; } @@ -467,10 +353,9 @@ int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid, 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; @@ -483,96 +368,6 @@ int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid, 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 */ @@ -950,6 +745,7 @@ void snd_hda_codec_register(struct hda_codec *codec) return; if (device_is_registered(hda_codec_dev(codec))) { snd_hda_register_beep_device(codec); + snd_hdac_link_power(&codec->core, true); pm_runtime_enable(hda_codec_dev(codec)); /* it was powered up in snd_hda_codec_new(), now all done */ snd_hda_power_down(codec); @@ -977,6 +773,7 @@ static int snd_hda_codec_dev_free(struct snd_device *device) codec->in_freeing = 1; snd_hdac_device_unregister(&codec->core); + snd_hdac_link_power(&codec->core, false); put_device(hda_codec_dev(codec)); return 0; } @@ -1064,7 +861,7 @@ int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card, if (codec->bus->modelname) { codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL); if (!codec->modelname) { - err = -ENODEV; + err = -ENOMEM; goto error; } } @@ -1114,7 +911,7 @@ int snd_hda_codec_update_widgets(struct hda_codec *codec) hda_nid_t fg; int err; - err = snd_hdac_refresh_widgets(&codec->core); + err = snd_hdac_refresh_widget_sysfs(&codec->core); if (err < 0) return err; @@ -3223,6 +3020,7 @@ static int hda_codec_runtime_suspend(struct device *dev) if (codec_has_clkstop(codec) && codec_has_epss(codec) && (state & AC_PWRST_CLK_STOP_OK)) snd_hdac_codec_link_down(&codec->core); + snd_hdac_link_power(&codec->core, false); return 0; } @@ -3230,6 +3028,7 @@ static int hda_codec_runtime_resume(struct device *dev) { struct hda_codec *codec = dev_to_hda_codec(dev); + snd_hdac_link_power(&codec->core, true); snd_hdac_codec_link_up(&codec->core); hda_call_codec_resume(codec); pm_runtime_mark_last_busy(dev); @@ -3259,8 +3058,7 @@ static int add_std_chmaps(struct hda_codec *codec) struct snd_pcm_chmap *chmap; const struct snd_pcm_chmap_elem *elem; - if (!pcm || !pcm->pcm || pcm->own_chmap || - !hinfo->substreams) + if (!pcm->pcm || pcm->own_chmap || !hinfo->substreams) continue; elem = hinfo->chmap ? hinfo->chmap : snd_pcm_std_chmaps; err = snd_pcm_add_chmap_ctls(pcm->pcm, str, elem, @@ -3312,311 +3110,6 @@ 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 */ @@ -3829,14 +3322,9 @@ int snd_hda_codec_build_pcms(struct hda_codec *codec) 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 (err < 0) return err; - } /* attach a new PCM streams */ list_for_each_entry(cpcm, &codec->pcm_list_head, list) { @@ -3849,7 +3337,7 @@ int snd_hda_codec_build_pcms(struct hda_codec *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", @@ -3916,6 +3404,9 @@ static void codec_set_power_save(struct hda_codec *codec, int delay) { struct device *dev = hda_codec_dev(codec); + if (delay == 0 && codec->auto_runtime_pm) + delay = 3000; + if (delay > 0) { pm_runtime_set_autosuspend_delay(dev, delay); pm_runtime_use_autosuspend(dev); @@ -4519,10 +4010,10 @@ int snd_hda_add_imux_item(struct hda_codec *codec, 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; @@ -4537,7 +4028,6 @@ void snd_hda_bus_reset(struct hda_bus *bus) #endif } } -EXPORT_SYMBOL_GPL(snd_hda_bus_reset); /** * snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer