diff options
Diffstat (limited to 'sound/soc/fsl/imx-audmix.c')
| -rw-r--r-- | sound/soc/fsl/imx-audmix.c | 127 |
1 files changed, 54 insertions, 73 deletions
diff --git a/sound/soc/fsl/imx-audmix.c b/sound/soc/fsl/imx-audmix.c index 0b58df56f4da..dac5d4ddacd6 100644 --- a/sound/soc/fsl/imx-audmix.c +++ b/sound/soc/fsl/imx-audmix.c @@ -23,7 +23,6 @@ struct imx_audmix { struct snd_soc_card card; struct platform_device *audmix_pdev; struct platform_device *out_pdev; - struct clk *cpu_mclk; int num_dai; struct snd_soc_dai_link *dai; int num_dai_conf; @@ -32,34 +31,11 @@ struct imx_audmix { struct snd_soc_dapm_route *dapm_routes; }; -static const u32 imx_audmix_rates[] = { - 8000, 12000, 16000, 24000, 32000, 48000, 64000, 96000, -}; - -static const struct snd_pcm_hw_constraint_list imx_audmix_rate_constraints = { - .count = ARRAY_SIZE(imx_audmix_rates), - .list = imx_audmix_rates, -}; - static int imx_audmix_fe_startup(struct snd_pcm_substream *substream) { - struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); - struct imx_audmix *priv = snd_soc_card_get_drvdata(rtd->card); struct snd_pcm_runtime *runtime = substream->runtime; - struct device *dev = rtd->card->dev; - unsigned long clk_rate = clk_get_rate(priv->cpu_mclk); int ret; - if (clk_rate % 24576000 == 0) { - ret = snd_pcm_hw_constraint_list(runtime, 0, - SNDRV_PCM_HW_PARAM_RATE, - &imx_audmix_rate_constraints); - if (ret < 0) - return ret; - } else { - dev_warn(dev, "mclk may be not supported %lu\n", clk_rate); - } - ret = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_CHANNELS, 1, 8); if (ret < 0) @@ -72,7 +48,7 @@ static int imx_audmix_fe_startup(struct snd_pcm_substream *substream) static int imx_audmix_fe_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { - struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); struct device *dev = rtd->card->dev; bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; unsigned int fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF; @@ -84,13 +60,13 @@ static int imx_audmix_fe_hw_params(struct snd_pcm_substream *substream, dir = tx ? SND_SOC_CLOCK_OUT : SND_SOC_CLOCK_IN; /* set DAI configuration */ - ret = snd_soc_dai_set_fmt(asoc_rtd_to_cpu(rtd, 0), fmt); + ret = snd_soc_dai_set_fmt(snd_soc_rtd_to_cpu(rtd, 0), fmt); if (ret) { dev_err(dev, "failed to set cpu dai fmt: %d\n", ret); return ret; } - ret = snd_soc_dai_set_sysclk(asoc_rtd_to_cpu(rtd, 0), FSL_SAI_CLK_MAST1, 0, dir); + ret = snd_soc_dai_set_sysclk(snd_soc_rtd_to_cpu(rtd, 0), FSL_SAI_CLK_MAST1, 0, dir); if (ret) { dev_err(dev, "failed to set cpu sysclk: %d\n", ret); return ret; @@ -100,7 +76,7 @@ static int imx_audmix_fe_hw_params(struct snd_pcm_substream *substream, * Per datasheet, AUDMIX expects 8 slots and 32 bits * for every slot in TDM mode. */ - ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_cpu(rtd, 0), BIT(channels) - 1, + ret = snd_soc_dai_set_tdm_slot(snd_soc_rtd_to_cpu(rtd, 0), BIT(channels) - 1, BIT(channels) - 1, 8, 32); if (ret) dev_err(dev, "failed to set cpu dai tdm slot: %d\n", ret); @@ -111,7 +87,7 @@ static int imx_audmix_fe_hw_params(struct snd_pcm_substream *substream, static int imx_audmix_be_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { - struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); struct device *dev = rtd->card->dev; bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; unsigned int fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF; @@ -124,7 +100,7 @@ static int imx_audmix_be_hw_params(struct snd_pcm_substream *substream, fmt |= SND_SOC_DAIFMT_BC_FC; /* set AUDMIX DAI configuration */ - ret = snd_soc_dai_set_fmt(asoc_rtd_to_cpu(rtd, 0), fmt); + ret = snd_soc_dai_set_fmt(snd_soc_rtd_to_cpu(rtd, 0), fmt); if (ret) dev_err(dev, "failed to set AUDMIX DAI fmt: %d\n", ret); @@ -140,6 +116,13 @@ static const struct snd_soc_ops imx_audmix_be_ops = { .hw_params = imx_audmix_be_hw_params, }; +static const char *name[][3] = { + {"HiFi-AUDMIX-FE-0", "HiFi-AUDMIX-FE-1", "HiFi-AUDMIX-FE-2"}, + {"sai-tx", "sai-tx", "sai-rx"}, + {"AUDMIX-Playback-0", "AUDMIX-Playback-1", "SAI-Capture"}, + {"SAI-Playback", "SAI-Playback", "AUDMIX-Capture-0"}, +}; + static int imx_audmix_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; @@ -150,7 +133,7 @@ static int imx_audmix_probe(struct platform_device *pdev) struct imx_audmix *priv; int i, num_dai, ret; const char *fe_name_pref = "HiFi-AUDMIX-FE-"; - char *be_name, *be_pb, *be_cp, *dai_name, *capture_dai_name; + char *be_name, *dai_name; if (pdev->dev.parent) { audmix_np = pdev->dev.parent->of_node; @@ -183,6 +166,7 @@ static int imx_audmix_probe(struct platform_device *pdev) if (!priv) return -ENOMEM; + num_dai += 1; priv->num_dai = 2 * num_dai; priv->dai = devm_kcalloc(&pdev->dev, priv->num_dai, sizeof(struct snd_soc_dai_link), GFP_KERNEL); @@ -196,7 +180,7 @@ static int imx_audmix_probe(struct platform_device *pdev) if (!priv->dai_conf) return -ENOMEM; - priv->num_dapm_routes = 3 * num_dai; + priv->num_dapm_routes = num_dai; priv->dapm_routes = devm_kcalloc(&pdev->dev, priv->num_dapm_routes, sizeof(struct snd_soc_dapm_route), GFP_KERNEL); @@ -211,8 +195,12 @@ static int imx_audmix_probe(struct platform_device *pdev) if (!dlc) return -ENOMEM; - ret = of_parse_phandle_with_args(audmix_np, "dais", NULL, i, - &args); + if (i == num_dai - 1) + ret = of_parse_phandle_with_args(audmix_np, "dais", NULL, 0, + &args); + else + ret = of_parse_phandle_with_args(audmix_np, "dais", NULL, i, + &args); if (ret < 0) { dev_err(&pdev->dev, "of_parse_phandle_with_args failed\n"); return ret; @@ -226,20 +214,14 @@ static int imx_audmix_probe(struct platform_device *pdev) put_device(&cpu_pdev->dev); dai_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s%s", - fe_name_pref, args.np->full_name + 1); + fe_name_pref, args.np->full_name); if (!dai_name) return -ENOMEM; dev_info(pdev->dev.parent, "DAI FE name:%s\n", dai_name); - if (i == 0) { + if (i == num_dai - 1) out_cpu_np = args.np; - capture_dai_name = - devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s %s", - dai_name, "CPU-Capture"); - if (!capture_dai_name) - return -ENOMEM; - } /* * CPU == Platform @@ -247,34 +229,32 @@ static int imx_audmix_probe(struct platform_device *pdev) */ priv->dai[i].cpus = priv->dai[i].platforms = &dlc[0]; - priv->dai[i].codecs = &asoc_dummy_dlc; + priv->dai[i].codecs = &snd_soc_dummy_dlc; priv->dai[i].num_cpus = 1; priv->dai[i].num_codecs = 1; priv->dai[i].num_platforms = 1; - - priv->dai[i].name = dai_name; + priv->dai[i].name = name[0][i]; priv->dai[i].stream_name = "HiFi-AUDMIX-FE"; priv->dai[i].cpus->of_node = args.np; - priv->dai[i].cpus->dai_name = dev_name(&cpu_pdev->dev); + priv->dai[i].cpus->dai_name = name[1][i]; + priv->dai[i].dynamic = 1; - priv->dai[i].dpcm_playback = 1; - priv->dai[i].dpcm_capture = (i == 0 ? 1 : 0); + if (i == num_dai - 1) + priv->dai[i].capture_only = 1; + else + priv->dai[i].playback_only = 1; priv->dai[i].ignore_pmdown_time = 1; priv->dai[i].ops = &imx_audmix_fe_ops; /* Add AUDMIX Backend */ be_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "audmix-%d", i); - be_pb = devm_kasprintf(&pdev->dev, GFP_KERNEL, - "AUDMIX-Playback-%d", i); - be_cp = devm_kasprintf(&pdev->dev, GFP_KERNEL, - "AUDMIX-Capture-%d", i); - if (!be_name || !be_pb || !be_cp) + if (!be_name) return -ENOMEM; priv->dai[num_dai + i].cpus = &dlc[1]; - priv->dai[num_dai + i].codecs = &asoc_dummy_dlc; + priv->dai[num_dai + i].codecs = &snd_soc_dummy_dlc; priv->dai[num_dai + i].num_cpus = 1; priv->dai[num_dai + i].num_codecs = 1; @@ -283,25 +263,33 @@ static int imx_audmix_probe(struct platform_device *pdev) priv->dai[num_dai + i].cpus->of_node = audmix_np; priv->dai[num_dai + i].cpus->dai_name = be_name; priv->dai[num_dai + i].no_pcm = 1; - priv->dai[num_dai + i].dpcm_playback = 1; - priv->dai[num_dai + i].dpcm_capture = 1; + if (i == num_dai - 1) + priv->dai[num_dai + i].capture_only = 1; + else + priv->dai[num_dai + i].playback_only = 1; priv->dai[num_dai + i].ignore_pmdown_time = 1; priv->dai[num_dai + i].ops = &imx_audmix_be_ops; priv->dai_conf[i].dlc.of_node = args.np; priv->dai_conf[i].name_prefix = dai_name; - priv->dapm_routes[i].source = - devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s %s", - dai_name, "CPU-Playback"); - if (!priv->dapm_routes[i].source) - return -ENOMEM; + if (i == num_dai - 1) { + priv->dapm_routes[i].sink = + devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s %s", + dai_name, name[2][i]); + if (!priv->dapm_routes[i].sink) + return -ENOMEM; - priv->dapm_routes[i].sink = be_pb; - priv->dapm_routes[num_dai + i].source = be_pb; - priv->dapm_routes[num_dai + i].sink = be_cp; - priv->dapm_routes[2 * num_dai + i].source = be_cp; - priv->dapm_routes[2 * num_dai + i].sink = capture_dai_name; + priv->dapm_routes[i].source = name[3][i]; + } else { + priv->dapm_routes[i].source = + devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s %s", + dai_name, name[3][i]); + if (!priv->dapm_routes[i].source) + return -ENOMEM; + + priv->dapm_routes[i].sink = name[2][i]; + } } cpu_pdev = of_find_device_by_node(out_cpu_np); @@ -311,13 +299,6 @@ static int imx_audmix_probe(struct platform_device *pdev) } put_device(&cpu_pdev->dev); - priv->cpu_mclk = devm_clk_get(&cpu_pdev->dev, "mclk1"); - if (IS_ERR(priv->cpu_mclk)) { - ret = PTR_ERR(priv->cpu_mclk); - dev_err(&cpu_pdev->dev, "failed to get DAI mclk1: %d\n", ret); - return -EINVAL; - } - priv->audmix_pdev = audmix_pdev; priv->out_pdev = cpu_pdev; |
