diff options
Diffstat (limited to 'sound/soc/ux500/ux500_av8100.c')
| -rw-r--r-- | sound/soc/ux500/ux500_av8100.c | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/sound/soc/ux500/ux500_av8100.c b/sound/soc/ux500/ux500_av8100.c new file mode 100644 index 00000000000..4ccc7531f4b --- /dev/null +++ b/sound/soc/ux500/ux500_av8100.c @@ -0,0 +1,167 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * + * Author: Ola Lilja <ola.o.lilja@stericsson.com> + * for ST-Ericsson. + * + * License terms: + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include <sound/soc.h> +#include "../codecs/av8100_audio.h" +#include "ux500_av8100.h" +#include "ux500_msp_dai.h" + +static const char *stream_str(struct snd_pcm_substream *substream) +{ + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + return "Playback"; + else + return "Capture"; +} + +static int ux500_av8100_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + int channels = params_channels(params); + unsigned int tx_mask, fmt; + enum hdmi_channel_allocation hdmi_ca; + enum hdmi_audio_channel_count hdmi_cc; + struct hdmi_audio_settings as; + int ret; + + pr_debug("%s: Enter (%s).\n", __func__, stream_str(substream)); + pr_debug("%s: substream->pcm->name = %s.\n", __func__, substream->pcm->name); + pr_debug("%s: substream->pcm->id = %s.\n", __func__, substream->pcm->id); + pr_debug("%s: substream->name = %s.\n", __func__, substream->name); + pr_debug("%s: substream->number = %d.\n", __func__, substream->number); + pr_debug("%s: channels = %d.\n", __func__, channels); + pr_debug("%s: DAI-index (Codec): %d\n", __func__, codec_dai->id); + pr_debug("%s: DAI-index (Platform): %d\n", __func__, cpu_dai->id); + + switch (channels) { + case 1: + hdmi_cc = AV8100_CODEC_CC_2CH; + hdmi_ca = AV8100_CODEC_CA_FL_FR; /* Stereo-setup */ + tx_mask = AV8100_CODEC_MASK_MONO; + break; + case 2: + hdmi_cc = AV8100_CODEC_CC_2CH; + hdmi_ca = AV8100_CODEC_CA_FL_FR; /* Stereo */ + tx_mask = AV8100_CODEC_MASK_STEREO; + break; + case 3: + hdmi_cc = AV8100_CODEC_CC_6CH; + hdmi_ca = AV8100_CODEC_CA_FL_FR_LFE_FC_RL_RR; /* 5.1-setup */ + tx_mask = AV8100_CODEC_MASK_2DOT1; + break; + case 4: + hdmi_cc = AV8100_CODEC_CC_6CH; + hdmi_ca = AV8100_CODEC_CA_FL_FR_LFE_FC_RL_RR; /* 5.1-setup */ + tx_mask = AV8100_CODEC_MASK_QUAD; + break; + case 5: + hdmi_cc = AV8100_CODEC_CC_6CH; + hdmi_ca = AV8100_CODEC_CA_FL_FR_LFE_FC_RL_RR; /* 5.1-setup */ + tx_mask = AV8100_CODEC_MASK_5DOT0; + break; + case 6: + hdmi_cc = AV8100_CODEC_CC_6CH; + hdmi_ca = AV8100_CODEC_CA_FL_FR_LFE_FC_RL_RR; /* 5.1 */ + tx_mask = AV8100_CODEC_MASK_5DOT1; + break; + case 7: + hdmi_cc = AV8100_CODEC_CC_8CH; + hdmi_ca = AV8100_CODEC_CA_FL_FR_LFE_FC_RL_RR_RLC_RRC; /* 7.1 */ + tx_mask = AV8100_CODEC_MASK_7DOT0; + break; + case 8: + hdmi_cc = AV8100_CODEC_CC_8CH; + hdmi_ca = AV8100_CODEC_CA_FL_FR_LFE_FC_RL_RR_RLC_RRC; /* 7.1 */ + tx_mask = AV8100_CODEC_MASK_7DOT1; + break; + default: + pr_err("%s: Unsupported number of channels (channels = %d)!\n", + __func__, + channels); + return -EINVAL; + } + + /* Change HDMI audio-settings for codec-DAI. */ + pr_debug("%s: Change HDMI audio-settings for codec-DAI.\n", __func__); + as.audio_channel_count = hdmi_cc; + as.sampling_frequency = AV8100_CODEC_SF_REFER; + as.sample_size = AV8100_CODEC_SS_REFER; + as.channel_allocation = hdmi_ca; + as.level_shift_value = AV8100_CODEC_LSV_0DB; + as.downmix_inhibit = false; + ret = av8100_audio_change_hdmi_audio_settings(codec_dai, &as); + if (ret < 0) { + pr_err("%s: Unable to change HDMI audio-settings for codec-DAI " + "(av8100_codec_change_hdmi_audio_settings returned %d)!\n", + __func__, + ret); + return ret; + } + + /* Set format for codec-DAI */ + fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_CBM_CFM; + pr_debug("%s: Setting format for codec-DAI (fmt = %d).\n", + __func__, + fmt); + ret = snd_soc_dai_set_fmt(codec_dai, fmt); + if (ret < 0) { + pr_err("%s: Unable to set format for codec-DAI " + "(snd_soc_dai_set_tdm_slot returned %d)!\n", + __func__, + ret); + return ret; + } + + /* Set TDM-slot for CPU-DAI */ + pr_debug("%s: Setting TDM-slot for codec-DAI (tx_mask = %d).\n", + __func__, + tx_mask); + ret = snd_soc_dai_set_tdm_slot(cpu_dai, tx_mask, 0, 16, 16); + if (ret < 0) { + pr_err("%s: Unable to set TDM-slot for codec-DAI " + "(snd_soc_dai_set_tdm_slot returned %d)!\n", + __func__, + ret); + return ret; + } + + /* Set format for CPU-DAI */ + fmt = SND_SOC_DAIFMT_DSP_A | + SND_SOC_DAIFMT_CBM_CFM | + SND_SOC_DAIFMT_NB_IF; + pr_debug("%s: Setting DAI-format for Ux500-platform (fmt = %d).\n", + __func__, + fmt); + ret = snd_soc_dai_set_fmt(cpu_dai, fmt); + if (ret < 0) { + pr_err("%s: Unable to set DAI-format for Ux500-platform " + "(snd_soc_dai_set_fmt returned %d).\n", + __func__, + ret); + return ret; + } + + ux500_msp_dai_set_data_delay(cpu_dai, MSP_DELAY_1); + + return ret; +} + +struct snd_soc_ops ux500_av8100_ops[] = { + { + .hw_params = ux500_av8100_hw_params, + } +}; + |