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https://github.com/tbsdtv/linux_media.git
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ASoC: qcom: Add support for lpass hdmi driver
Upadate lpass cpu and platform driver to support audio over dp. Also add lpass-hdmi.c and lpass-hdmi.h. Signed-off-by: V Sujith Kumar Reddy <vsujithk@codeaurora.org> Signed-off-by: Srinivasa Rao <srivasam@codeaurora.org> Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/1602134223-2562-6-git-send-email-srivasam@codeaurora.org Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
V Sujith Kumar Reddy
committed by
Mark Brown
Mark Brown
parent
d9e8e61243
commit
7cb37b7bd0
@@ -478,6 +478,206 @@ static struct regmap_config lpass_cpu_regmap_config = {
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.cache_type = REGCACHE_FLAT,
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};
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static int lpass_hdmi_init_bitfields(struct device *dev, struct regmap *map)
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{
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struct lpass_data *drvdata = dev_get_drvdata(dev);
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struct lpass_variant *v = drvdata->variant;
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unsigned int i;
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struct lpass_hdmi_tx_ctl *tx_ctl;
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struct regmap_field *legacy_en;
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struct lpass_vbit_ctrl *vbit_ctl;
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struct regmap_field *tx_parity;
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struct lpass_dp_metadata_ctl *meta_ctl;
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struct lpass_sstream_ctl *sstream_ctl;
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struct regmap_field *ch_msb;
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struct regmap_field *ch_lsb;
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struct lpass_hdmitx_dmactl *tx_dmactl;
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int rval;
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tx_ctl = devm_kzalloc(dev, sizeof(*tx_ctl), GFP_KERNEL);
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if (!tx_ctl)
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return -ENOMEM;
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QCOM_REGMAP_FIELD_ALLOC(dev, map, v->soft_reset, tx_ctl->soft_reset);
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QCOM_REGMAP_FIELD_ALLOC(dev, map, v->force_reset, tx_ctl->force_reset);
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drvdata->tx_ctl = tx_ctl;
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QCOM_REGMAP_FIELD_ALLOC(dev, map, v->legacy_en, legacy_en);
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drvdata->hdmitx_legacy_en = legacy_en;
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vbit_ctl = devm_kzalloc(dev, sizeof(*vbit_ctl), GFP_KERNEL);
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if (!vbit_ctl)
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return -ENOMEM;
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QCOM_REGMAP_FIELD_ALLOC(dev, map, v->replace_vbit, vbit_ctl->replace_vbit);
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QCOM_REGMAP_FIELD_ALLOC(dev, map, v->vbit_stream, vbit_ctl->vbit_stream);
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drvdata->vbit_ctl = vbit_ctl;
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QCOM_REGMAP_FIELD_ALLOC(dev, map, v->calc_en, tx_parity);
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drvdata->hdmitx_parity_calc_en = tx_parity;
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meta_ctl = devm_kzalloc(dev, sizeof(*meta_ctl), GFP_KERNEL);
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if (!meta_ctl)
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return -ENOMEM;
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rval = devm_regmap_field_bulk_alloc(dev, map, &meta_ctl->mute, &v->mute, 7);
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if (rval)
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return rval;
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drvdata->meta_ctl = meta_ctl;
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sstream_ctl = devm_kzalloc(dev, sizeof(*sstream_ctl), GFP_KERNEL);
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if (!sstream_ctl)
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return -ENOMEM;
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rval = devm_regmap_field_bulk_alloc(dev, map, &sstream_ctl->sstream_en, &v->sstream_en, 9);
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if (rval)
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return rval;
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drvdata->sstream_ctl = sstream_ctl;
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for (i = 0; i < LPASS_MAX_HDMI_DMA_CHANNELS; i++) {
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QCOM_REGMAP_FIELD_ALLOC(dev, map, v->msb_bits, ch_msb);
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drvdata->hdmitx_ch_msb[i] = ch_msb;
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QCOM_REGMAP_FIELD_ALLOC(dev, map, v->lsb_bits, ch_lsb);
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drvdata->hdmitx_ch_lsb[i] = ch_lsb;
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tx_dmactl = devm_kzalloc(dev, sizeof(*tx_dmactl), GFP_KERNEL);
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if (!tx_dmactl)
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return -ENOMEM;
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QCOM_REGMAP_FIELD_ALLOC(dev, map, v->use_hw_chs, tx_dmactl->use_hw_chs);
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QCOM_REGMAP_FIELD_ALLOC(dev, map, v->use_hw_usr, tx_dmactl->use_hw_usr);
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QCOM_REGMAP_FIELD_ALLOC(dev, map, v->hw_chs_sel, tx_dmactl->hw_chs_sel);
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QCOM_REGMAP_FIELD_ALLOC(dev, map, v->hw_usr_sel, tx_dmactl->hw_usr_sel);
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drvdata->hdmi_tx_dmactl[i] = tx_dmactl;
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}
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return 0;
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}
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static bool lpass_hdmi_regmap_writeable(struct device *dev, unsigned int reg)
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{
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struct lpass_data *drvdata = dev_get_drvdata(dev);
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struct lpass_variant *v = drvdata->variant;
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int i;
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if (reg == LPASS_HDMI_TX_CTL_ADDR(v))
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return true;
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if (reg == LPASS_HDMI_TX_LEGACY_ADDR(v))
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return true;
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if (reg == LPASS_HDMI_TX_VBIT_CTL_ADDR(v))
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return true;
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if (reg == LPASS_HDMI_TX_PARITY_ADDR(v))
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return true;
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if (reg == LPASS_HDMI_TX_DP_ADDR(v))
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return true;
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if (reg == LPASS_HDMI_TX_SSTREAM_ADDR(v))
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return true;
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if (reg == LPASS_HDMITX_APP_IRQEN_REG(v))
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return true;
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if (reg == LPASS_HDMITX_APP_IRQCLEAR_REG(v))
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return true;
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for (i = 0; i < v->hdmi_rdma_channels; i++) {
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if (reg == LPASS_HDMI_TX_CH_LSB_ADDR(v, i))
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return true;
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if (reg == LPASS_HDMI_TX_CH_MSB_ADDR(v, i))
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return true;
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if (reg == LPASS_HDMI_TX_DMA_ADDR(v, i))
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return true;
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}
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for (i = 0; i < v->rdma_channels; ++i) {
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if (reg == LPAIF_HDMI_RDMACTL_REG(v, i))
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return true;
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if (reg == LPAIF_HDMI_RDMABASE_REG(v, i))
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return true;
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if (reg == LPAIF_HDMI_RDMABUFF_REG(v, i))
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return true;
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if (reg == LPAIF_HDMI_RDMAPER_REG(v, i))
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return true;
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}
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return false;
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}
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static bool lpass_hdmi_regmap_readable(struct device *dev, unsigned int reg)
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{
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struct lpass_data *drvdata = dev_get_drvdata(dev);
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struct lpass_variant *v = drvdata->variant;
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int i;
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if (reg == LPASS_HDMI_TX_CTL_ADDR(v))
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return true;
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if (reg == LPASS_HDMI_TX_LEGACY_ADDR(v))
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return true;
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if (reg == LPASS_HDMI_TX_VBIT_CTL_ADDR(v))
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return true;
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for (i = 0; i < v->hdmi_rdma_channels; i++) {
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if (reg == LPASS_HDMI_TX_CH_LSB_ADDR(v, i))
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return true;
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if (reg == LPASS_HDMI_TX_CH_MSB_ADDR(v, i))
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return true;
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if (reg == LPASS_HDMI_TX_DMA_ADDR(v, i))
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return true;
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}
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if (reg == LPASS_HDMI_TX_PARITY_ADDR(v))
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return true;
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if (reg == LPASS_HDMI_TX_DP_ADDR(v))
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return true;
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if (reg == LPASS_HDMI_TX_SSTREAM_ADDR(v))
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return true;
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if (reg == LPASS_HDMITX_APP_IRQEN_REG(v))
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return true;
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if (reg == LPASS_HDMITX_APP_IRQSTAT_REG(v))
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return true;
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for (i = 0; i < v->rdma_channels; ++i) {
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if (reg == LPAIF_HDMI_RDMACTL_REG(v, i))
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return true;
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if (reg == LPAIF_HDMI_RDMABASE_REG(v, i))
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return true;
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if (reg == LPAIF_HDMI_RDMABUFF_REG(v, i))
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return true;
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if (reg == LPAIF_HDMI_RDMAPER_REG(v, i))
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return true;
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if (reg == LPAIF_HDMI_RDMACURR_REG(v, i))
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return true;
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}
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return false;
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}
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static bool lpass_hdmi_regmap_volatile(struct device *dev, unsigned int reg)
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{
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struct lpass_data *drvdata = dev_get_drvdata(dev);
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struct lpass_variant *v = drvdata->variant;
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int i;
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if (reg == LPASS_HDMITX_APP_IRQSTAT_REG(v))
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return true;
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if (reg == LPASS_HDMI_TX_LEGACY_ADDR(v))
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return true;
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for (i = 0; i < v->rdma_channels; ++i) {
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if (reg == LPAIF_HDMI_RDMACURR_REG(v, i))
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return true;
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}
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return false;
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}
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struct regmap_config lpass_hdmi_regmap_config = {
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.reg_bits = 32,
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.reg_stride = 4,
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.val_bits = 32,
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.writeable_reg = lpass_hdmi_regmap_writeable,
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.readable_reg = lpass_hdmi_regmap_readable,
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.volatile_reg = lpass_hdmi_regmap_volatile,
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.cache_type = REGCACHE_FLAT,
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};
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static unsigned int of_lpass_cpu_parse_sd_lines(struct device *dev,
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struct device_node *node,
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const char *name)
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@@ -535,13 +735,17 @@ static void of_lpass_cpu_parse_dai_data(struct device *dev,
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dev_err(dev, "valid dai id not found: %d\n", ret);
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continue;
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}
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data->mi2s_playback_sd_mode[id] =
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of_lpass_cpu_parse_sd_lines(dev, node,
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"qcom,playback-sd-lines");
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data->mi2s_capture_sd_mode[id] =
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of_lpass_cpu_parse_sd_lines(dev, node,
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if (id == LPASS_DP_RX) {
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data->hdmi_port_enable = 1;
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dev_err(dev, "HDMI Port is enabled: %d\n", id);
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} else {
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data->mi2s_playback_sd_mode[id] =
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of_lpass_cpu_parse_sd_lines(dev, node,
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"qcom,playback-sd-lines");
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data->mi2s_capture_sd_mode[id] =
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of_lpass_cpu_parse_sd_lines(dev, node,
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"qcom,capture-sd-lines");
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}
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}
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}
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@@ -596,6 +800,27 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev)
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return PTR_ERR(drvdata->lpaif_map);
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}
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if (drvdata->hdmi_port_enable) {
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res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "lpass-hdmiif");
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drvdata->hdmiif = devm_ioremap_resource(dev, res);
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if (IS_ERR((void const __force *)drvdata->hdmiif)) {
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dev_err(dev, "error mapping reg resource: %ld\n",
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PTR_ERR((void const __force *)drvdata->hdmiif));
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return PTR_ERR((void const __force *)drvdata->hdmiif);
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}
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lpass_hdmi_regmap_config.max_register = LPAIF_HDMI_RDMAPER_REG(variant,
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variant->hdmi_rdma_channels);
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drvdata->hdmiif_map = devm_regmap_init_mmio(dev, drvdata->hdmiif,
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&lpass_hdmi_regmap_config);
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if (IS_ERR(drvdata->hdmiif_map)) {
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dev_err(dev, "error initializing regmap: %ld\n",
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PTR_ERR(drvdata->hdmiif_map));
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return PTR_ERR(drvdata->hdmiif_map);
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}
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}
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if (variant->init) {
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ret = variant->init(pdev);
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if (ret) {
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@@ -606,6 +831,9 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev)
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for (i = 0; i < variant->num_dai; i++) {
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dai_id = variant->dai_driver[i].id;
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if (dai_id == LPASS_DP_RX)
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continue;
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drvdata->mi2s_osr_clk[dai_id] = devm_clk_get(dev,
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variant->dai_osr_clk_names[i]);
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if (IS_ERR(drvdata->mi2s_osr_clk[dai_id])) {
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@@ -641,6 +869,13 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev)
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return ret;
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}
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if (drvdata->hdmi_port_enable) {
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ret = lpass_hdmi_init_bitfields(dev, drvdata->hdmiif_map);
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if (ret) {
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dev_err(dev, "%s error hdmi init failed\n", __func__);
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return ret;
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}
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}
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ret = devm_snd_soc_register_component(dev,
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&lpass_cpu_comp_driver,
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variant->dai_driver,
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