Hi!
Do you have any ideas what needs to be done for voice calls support? I can talk to the modem and start a call.
Then something like this (untested!) is certainly needed. Probably more...
Thanks, Pavel
diff --git a/sound/soc/codecs/cpcap.c b/sound/soc/codecs/cpcap.c index aedb267..7646f68 100644 --- a/sound/soc/codecs/cpcap.c +++ b/sound/soc/codecs/cpcap.c @@ -1280,6 +1280,60 @@ static int cpcap_voice_hw_params(struct snd_pcm_substream *substream, return 0; }
+static int cpcap_incall_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_codec *codec = dai->codec; + struct device *dev = codec->dev; + struct cpcap_audio *cpcap = snd_soc_codec_get_drvdata(codec); + static const u16 reg_cdi = CPCAP_REG_CDI; + int rate = params_rate(params); + int channels = params_channels(params); + int direction = substream->stream; + u16 val, mask; + int err; + + dev_dbg(dev, "Incall setup HW params: rate=%d, direction=%d, chan=%d", + rate, direction, channels); + + /* codec, 1 in original code is CPCAP_REG_CC + codec, 2 is CPCAP_REG_CDI + codec, 5 is CPCAP_REG_TXI */ + + if (/* cpcap->codec_strm_cnt == */ 1) { + /* + if (pdata->voice_type != VOICE_TYPE_QC) + printk("FIXME: Only MDM6600 support is implemented here.\n"); + */ + + err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CDI, 0xffff, 0xAE02); + if (err) printk("cpcap error %d\n", __LINE__); + + err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CC, 0xffff, 0x6120); + if (err) printk("cpcap error %d\n", __LINE__); + + err = cpcap_set_samprate(cpcap, CPCAP_DAI_VOICE, rate); + printk("Configured stream\n"); + } + + /* (direction == SNDRV_PCM_STREAM_CAPTURE) ?? */ + if (substream->stream) { /* up link */ + unsigned int set = CPCAP_BIT_AUDIHPF_1 | CPCAP_BIT_AUDIHPF_0; + err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CC, set, set); + if (err) printk("cpcap error %d\n", __LINE__); + + set = CPCAP_BIT_MB_ON1L | CPCAP_BIT_MB_ON1R; + err = regmap_update_bits(cpcap->regmap, CPCAP_REG_TXI, set, set); + } else { /* down link */ + unsigned int set = CPCAP_BIT_AUDOHPF_1 | CPCAP_BIT_AUDOHPF_0; + err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CC, set, set); + if (err) printk("cpcap error %d\n", __LINE__); + } + + return err; +} + static int cpcap_voice_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id, unsigned int freq, int dir) { @@ -1394,6 +1448,14 @@ static const struct snd_soc_dai_ops cpcap_dai_voice_ops = { .digital_mute = cpcap_voice_set_mute, };
+static const struct snd_soc_dai_ops cpcap_dai_incall_ops = { + /* FIXME */ + .hw_params = cpcap_incall_hw_params, + .set_sysclk = cpcap_voice_set_dai_sysclk, + .set_fmt = cpcap_voice_set_dai_fmt, + .digital_mute = cpcap_voice_set_mute, +}; + static struct snd_soc_dai_driver cpcap_dai[] = { { .id = 0, @@ -1426,6 +1488,26 @@ static struct snd_soc_dai_driver cpcap_dai[] = { }, .ops = &cpcap_dai_voice_ops, }, +{ + .id = 2, + .name = "cpcap in-call", + .playback = { + .stream_name = "InCall DL", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, + .capture = { + .stream_name = "Capture", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, + .ops = &cpcap_dai_incall_ops, +}, +/* FIXME: this misses bt-call, cpcap bt, BPvoice, FM */ };
static int cpcap_dai_mux(struct cpcap_audio *cpcap, bool swap_dai_configuration)