[alsa-devel] [PATCH] hda: 92HD7XXX power management support
Matthew Ranostay
mranostay at embeddedalley.com
Thu Jan 10 16:53:45 CET 2008
Takashi Iwai wrote:
> Hi Matt,
>
> is this version ready for merge? Just to be sure, as you mentinoed
> that you found a bug...
>
> thanks,
>
> Takashi
>
Yep, double checked that it worked with all the 92HDxxx boards.
> At Thu, 10 Jan 2008 10:33:26 -0500,
> Matthew Ranostay wrote:
>
>> Takashi Iwai wrote:
>>
>>> At Wed, 09 Jan 2008 11:41:00 -0500,
>>> Matthew Ranostay wrote:
>>>
>>>
>>>> @@ -714,6 +728,8 @@ static struct snd_kcontrol_new stac92hd7
>>>>
>>>> HDA_CODEC_MUTE("Analog Loopback 1", 0x17, 0x3, HDA_INPUT),
>>>> HDA_CODEC_MUTE("Analog Loopback 2", 0x17, 0x4, HDA_INPUT),
>>>> +
>>>> + HDA_CODEC_MUTE_MONO("Mono Switch", 0x14, 0x1, 0, HDA_INPUT),
>>>> { } /* end */
>>>> };
>>>>
>>>> @@ -728,6 +744,8 @@ static struct snd_kcontrol_new stac92hd7
>>>> HDA_CODEC_VOLUME_IDX("Capture Volume", 0x1, 0x1d, 0x0, HDA_OUTPUT),
>>>> HDA_CODEC_MUTE_IDX("Capture Switch", 0x1, 0x1d, 0x0, HDA_OUTPUT),
>>>> HDA_CODEC_VOLUME_IDX("Capture Mux Volume", 0x1, 0x1b, 0x0, HDA_OUTPUT),
>>>> +
>>>> + HDA_CODEC_MUTE_MONO("Mono Switch", 0x14, 0x1, 0, HDA_INPUT),
>>>> { } /* end */
>>>> };
>>>>
>>>>
>>> These have been already applied to HG tree. Please update your repo
>>> (maybe better from hg.alsa-project.org).
>>>
>>>
>>>
>>>
>> D'oh, forgot to do 'hg update' again :/
>>
>>>> @@ -2651,11 +2669,26 @@ static void enable_pin_detect(struct hda
>>>> static void enable_pin_detect(struct hda_codec *codec, hda_nid_t nid,
>>>> unsigned int event)
>>>> {
>>>> + int pinctl = snd_hda_codec_read(codec, nid, 0,
>>>> + AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
>>>> + if (pinctl & AC_PINCTL_IN_EN)
>>>> + return;
>>>> +
>>>>
>>>>
>>>
>>>
>> Moved this block is a more reasonable spot.
>>
>>> Hm, what about the multi-directional pins (such as line-in/surround
>>> shared pin)? Maybe it's not for 92HDxxx codecs, but...
>>>
>>>
>>>
>> Comments in the patch should explain this.
>>
>>>
>>>
>>>> @@ -2696,6 +2729,14 @@ static int stac92xx_init(struct hda_code
>>>> for (i = 0; i < spec->num_dmics; i++)
>>>> stac92xx_auto_set_pinctl(codec, spec->dmic_nids[i],
>>>> AC_PINCTL_IN_EN);
>>>> + if (spec->num_pwrs > 0) {
>>>>
>>>>
>>> This if is unnecessary.
>>>
>>>
>>>
>> Cleaned this up, and removed the unneeded DMIC block check above it.
>>
>>>> @@ -3076,6 +3144,9 @@ again:
>>>> spec->gpio_mask = spec->gpio_data = 0x000001;
>>>> stac92xx_enable_gpio_mask(codec);
>>>>
>>>> + spec->num_pwrs = 8;
>>>>
>>>>
>>> Better to use ARRAY_SIZE().
>>>
>>>
>>>
>> Done.
>>
>>>> + spec->pwr_nids = stac92hd73xx_pwr_nids;
>>>> +
>>>> err = stac92xx_parse_auto_config(codec, 0x22, 0x24);
>>>>
>>>> if (!err) {
>>>> @@ -3157,6 +3228,9 @@ again:
>>>> spec->num_adcs = ARRAY_SIZE(stac92hd71bxx_adc_nids);
>>>> spec->num_dmics = STAC92HD71BXX_NUM_DMICS;
>>>> spec->num_dmuxes = ARRAY_SIZE(stac92hd71bxx_dmux_nids);
>>>> +
>>>> + spec->num_pwrs = 3;
>>>>
>>>>
>>>
>>>
>> Done.
>>
>>> Ditto.
>>>
>>>
>>> Thanks,
>>>
>>> Takashi
>>>
>>>
>>>
>> [2 92hd7xxx_power_management.patch <text/plain (7bit)>]
>> diff -r a5d234856191 pci/hda/patch_sigmatel.c
>> --- a/pci/hda/patch_sigmatel.c Wed Jan 09 17:56:07 2008 +0100
>> +++ b/pci/hda/patch_sigmatel.c Thu Jan 10 10:20:04 2008 -0500
>> @@ -34,7 +34,8 @@
>> #include "hda_local.h"
>>
>> #define NUM_CONTROL_ALLOC 32
>> -#define STAC_HP_EVENT 0x37
>> +#define STAC_PWR_EVENT 0x20
>> +#define STAC_HP_EVENT 0x30
>>
>> enum {
>> STAC_REF,
>> @@ -126,6 +127,10 @@ struct sigmatel_spec {
>> unsigned char aloopback_mask;
>> unsigned char aloopback_shift;
>>
>> + /* power management */
>> + unsigned int num_pwrs;
>> + hda_nid_t *pwr_nids;
>> +
>> /* playback */
>> struct hda_multi_out multiout;
>> hda_nid_t dac_nids[5];
>> @@ -184,6 +189,11 @@ static hda_nid_t stac9200_dac_nids[1] =
>> 0x02,
>> };
>>
>> +static hda_nid_t stac92hd73xx_pwr_nids[8] = {
>> + 0x0a, 0x0b, 0x0c, 0xd, 0x0e,
>> + 0x0f, 0x10, 0x11
>> +};
>> +
>> static hda_nid_t stac92hd73xx_adc_nids[2] = {
>> 0x1a, 0x1b
>> };
>> @@ -204,6 +214,10 @@ static hda_nid_t stac92hd73xx_mux_nids[4
>>
>> static hda_nid_t stac92hd73xx_dmux_nids[2] = {
>> 0x20, 0x21,
>> +};
>> +
>> +static hda_nid_t stac92hd71bxx_pwr_nids[3] = {
>> + 0x0a, 0x0d, 0x0f
>> };
>>
>> static hda_nid_t stac92hd71bxx_adc_nids[2] = {
>> @@ -543,7 +557,7 @@ static struct hda_verb stac92hd71bxx_ana
>> /* connect ports 0d and 0f to audio mixer */
>> { 0x0d, AC_VERB_SET_CONNECT_SEL, 0x2},
>> { 0x0f, AC_VERB_SET_CONNECT_SEL, 0x2},
>> - { 0x0f, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT},
>> + { 0x0f, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT}, /* Speaker */
>> /* unmute dac0 input in audio mixer */
>> { 0x17, AC_VERB_SET_AMP_GAIN_MUTE, 0x701f},
>> /* unmute right and left channels for nodes 0x0a, 0xd, 0x0f */
>> @@ -2656,6 +2670,16 @@ static void enable_pin_detect(struct hda
>> (AC_USRSP_EN | event));
>> }
>>
>> +static int is_nid_hp_pin(struct auto_pin_cfg *cfg, hda_nid_t nid)
>> +{
>> + int i;
>> + for (i = 0; i < cfg->hp_outs; i++)
>> + if (cfg->hp_pins[i] == nid)
>> + return 1; /* nid is a HP-Out */
>> +
>> + return 0; /* nid is not a HP-Out */
>> +};
>> +
>> static int stac92xx_init(struct hda_codec *codec)
>> {
>> struct sigmatel_spec *spec = codec->spec;
>> @@ -2691,10 +2715,23 @@ static int stac92xx_init(struct hda_code
>> stac92xx_auto_set_pinctl(codec, nid, pinctl);
>> }
>> }
>> - if (spec->num_dmics > 0)
>> - for (i = 0; i < spec->num_dmics; i++)
>> - stac92xx_auto_set_pinctl(codec, spec->dmic_nids[i],
>> - AC_PINCTL_IN_EN);
>> + for (i = 0; i < spec->num_dmics; i++)
>> + stac92xx_auto_set_pinctl(codec, spec->dmic_nids[i],
>> + AC_PINCTL_IN_EN);
>> + for (i = 0; i < spec->num_pwrs; i++) {
>> + int event = is_nid_hp_pin(cfg, spec->pwr_nids[i])
>> + ? STAC_HP_EVENT : STAC_PWR_EVENT;
>> + int pinctl = snd_hda_codec_read(codec, spec->pwr_nids[i],
>> + 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
>> + /* outputs are only ports capable of power management
>> + * any attempts on powering down a input port cause the
>> + * referenced VREF to act quirky.
>> + */
>> + if (pinctl & AC_PINCTL_IN_EN)
>> + continue;
>> + enable_pin_detect(codec, spec->pwr_nids[i], event | i);
>> + codec->patch_ops.unsol_event(codec, (event | i) << 26);
>> + }
>>
>> if (cfg->dig_out_pin)
>> stac92xx_auto_set_pinctl(codec, cfg->dig_out_pin,
>> @@ -2821,12 +2858,37 @@ static void stac92xx_hp_detect(struct hd
>> }
>> }
>>
>> +static void stac92xx_pin_sense(struct hda_codec *codec, int idx)
>> +{
>> + struct sigmatel_spec *spec = codec->spec;
>> + hda_nid_t nid = spec->pwr_nids[idx];
>> + int presence, val;
>> + val = snd_hda_codec_read(codec, codec->afg, 0, 0x0fec, 0x0)
>> + & 0x000000ff;
>> + presence = get_hp_pin_presence(codec, nid);
>> + idx = 1 << idx;
>> +
>> + if (presence)
>> + val &= ~idx;
>> + else
>> + val |= idx;
>> +
>> + /* power down unused output ports */
>> + snd_hda_codec_write(codec, codec->afg, 0, 0x7ec, val);
>> +};
>> +
>> static void stac92xx_unsol_event(struct hda_codec *codec, unsigned int res)
>> {
>> - switch (res >> 26) {
>> + struct sigmatel_spec *spec = codec->spec;
>> + int idx = res >> 26 & 0x0f;
>> +
>> + switch ((res >> 26) & 0x30) {
>> case STAC_HP_EVENT:
>> stac92xx_hp_detect(codec, res);
>> - break;
>> + /* fallthru */
>> + case STAC_PWR_EVENT:
>> + if (spec->num_pwrs > 0)
>> + stac92xx_pin_sense(codec, idx);
>> }
>> }
>>
>> @@ -2897,6 +2959,7 @@ static int patch_stac9200(struct hda_cod
>> spec->num_muxes = 1;
>> spec->num_dmics = 0;
>> spec->num_adcs = 1;
>> + spec->num_pwrs = 0;
>>
>> if (spec->board_config == STAC_9200_GATEWAY)
>> spec->init = stac9200_eapd_init;
>> @@ -2952,6 +3015,7 @@ static int patch_stac925x(struct hda_cod
>> spec->mux_nids = stac925x_mux_nids;
>> spec->num_muxes = 1;
>> spec->num_adcs = 1;
>> + spec->num_pwrs = 0;
>> switch (codec->vendor_id) {
>> case 0x83847632: /* STAC9202 */
>> case 0x83847633: /* STAC9202D */
>> @@ -3075,6 +3139,9 @@ again:
>> spec->gpio_mask = spec->gpio_data = 0x000001;
>> stac92xx_enable_gpio_mask(codec);
>>
>> + spec->num_pwrs = ARRAY_SIZE(stac92hd73xx_pwr_nids);
>> + spec->pwr_nids = stac92hd73xx_pwr_nids;
>> +
>> err = stac92xx_parse_auto_config(codec, 0x22, 0x24);
>>
>> if (!err) {
>> @@ -3156,6 +3223,9 @@ again:
>> spec->num_adcs = ARRAY_SIZE(stac92hd71bxx_adc_nids);
>> spec->num_dmics = STAC92HD71BXX_NUM_DMICS;
>> spec->num_dmuxes = ARRAY_SIZE(stac92hd71bxx_dmux_nids);
>> +
>> + spec->num_pwrs = ARRAY_SIZE(stac92hd71bxx_pwr_nids);
>> + spec->pwr_nids = stac92hd71bxx_pwr_nids;
>>
>> spec->multiout.num_dacs = 2;
>> spec->multiout.hp_nid = 0x11;
>> @@ -3251,6 +3321,7 @@ static int patch_stac922x(struct hda_cod
>> spec->num_muxes = ARRAY_SIZE(stac922x_mux_nids);
>> spec->num_adcs = ARRAY_SIZE(stac922x_adc_nids);
>> spec->num_dmics = 0;
>> + spec->num_pwrs = 0;
>>
>> spec->init = stac922x_core_init;
>> spec->mixer = stac922x_mixer;
>> @@ -3355,6 +3426,7 @@ static int patch_stac927x(struct hda_cod
>> spec->mixer = stac927x_mixer;
>> }
>>
>> + spec->num_pwrs = 0;
>> spec->aloopback_mask = 0x40;
>> spec->aloopback_shift = 0;
>>
>> @@ -3416,6 +3488,7 @@ static int patch_stac9205(struct hda_cod
>> spec->num_dmics = STAC9205_NUM_DMICS;
>> spec->dmux_nids = stac9205_dmux_nids;
>> spec->num_dmuxes = ARRAY_SIZE(stac9205_dmux_nids);
>> + spec->num_pwrs = 0;
>>
>> spec->init = stac9205_core_init;
>> spec->mixer = stac9205_mixer;
>> @@ -3678,6 +3751,7 @@ static int patch_stac9872(struct hda_cod
>> spec->multiout.hp_nid = VAIO_HP_DAC;
>> spec->num_adcs = ARRAY_SIZE(vaio_adcs);
>> spec->adc_nids = vaio_adcs;
>> + spec->num_pwrs = 0;
>> spec->input_mux = &vaio_mux;
>> spec->mux_nids = vaio_mux_nids;
>> codec->patch_ops = stac9872_vaio_patch_ops;
>> @@ -3691,6 +3765,7 @@ static int patch_stac9872(struct hda_cod
>> spec->multiout.dac_nids = vaio_dacs;
>> spec->multiout.hp_nid = VAIO_HP_DAC;
>> spec->num_adcs = ARRAY_SIZE(vaio_adcs);
>> + spec->num_pwrs = 0;
>> spec->adc_nids = vaio_adcs;
>> spec->input_mux = &vaio_mux;
>> spec->mux_nids = vaio_mux_nids;
>>
>
>
Thanks,
-Matt Ranostay
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