[PATCH v4 3/5] ASoC: qcom: Add support for lpass hdmi driver
From: V Sujith Kumar Reddy vsujithk@codeaurora.org
Upadate lpass cpu and platform driver to support audio over dp. Also add lpass-hdmi.c and lpass-hdmi.h.
Signed-off-by: Srinivasa Rao srivasam@codeaurora.org Signed-off-by: V Sujith Kumar Reddy vsujithk@codeaurora.org --- sound/soc/qcom/Kconfig | 5 + sound/soc/qcom/Makefile | 2 + sound/soc/qcom/lpass-cpu.c | 66 ++-- sound/soc/qcom/lpass-hdmi.c | 684 +++++++++++++++++++++++++++++++++++++++ sound/soc/qcom/lpass-hdmi.h | 129 ++++++++ sound/soc/qcom/lpass-lpaif-reg.h | 48 ++- sound/soc/qcom/lpass-platform.c | 304 +++++++++++++---- sound/soc/qcom/lpass.h | 84 ++++- 8 files changed, 1237 insertions(+), 85 deletions(-) create mode 100644 sound/soc/qcom/lpass-hdmi.c create mode 100644 sound/soc/qcom/lpass-hdmi.h
diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig index a607ace..509584c 100644 --- a/sound/soc/qcom/Kconfig +++ b/sound/soc/qcom/Kconfig @@ -12,6 +12,10 @@ config SND_SOC_LPASS_CPU tristate select REGMAP_MMIO
+config SND_SOC_LPASS_HDMI + tristate + select REGMAP_MMIO + config SND_SOC_LPASS_PLATFORM tristate select REGMAP_MMIO @@ -30,6 +34,7 @@ config SND_SOC_LPASS_SC7180 tristate select SND_SOC_LPASS_CPU select SND_SOC_LPASS_PLATFORM + select SND_SOC_LPASS_HDMI
config SND_SOC_STORM tristate "ASoC I2S support for Storm boards" diff --git a/sound/soc/qcom/Makefile b/sound/soc/qcom/Makefile index 7972c94..0bd90d7 100644 --- a/sound/soc/qcom/Makefile +++ b/sound/soc/qcom/Makefile @@ -1,12 +1,14 @@ # SPDX-License-Identifier: GPL-2.0 # Platform snd-soc-lpass-cpu-objs := lpass-cpu.o +snd-soc-lpass-hdmi-objs := lpass-hdmi.o snd-soc-lpass-platform-objs := lpass-platform.o snd-soc-lpass-ipq806x-objs := lpass-ipq806x.o snd-soc-lpass-apq8016-objs := lpass-apq8016.o snd-soc-lpass-sc7180-objs := lpass-sc7180.o
obj-$(CONFIG_SND_SOC_LPASS_CPU) += snd-soc-lpass-cpu.o +obj-$(CONFIG_SND_SOC_LPASS_HDMI) += snd-soc-lpass-hdmi.o obj-$(CONFIG_SND_SOC_LPASS_PLATFORM) += snd-soc-lpass-platform.o obj-$(CONFIG_SND_SOC_LPASS_IPQ806X) += snd-soc-lpass-ipq806x.o obj-$(CONFIG_SND_SOC_LPASS_APQ8016) += snd-soc-lpass-apq8016.o diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c index 1ee6d8b..566d79a 100644 --- a/sound/soc/qcom/lpass-cpu.c +++ b/sound/soc/qcom/lpass-cpu.c @@ -554,6 +554,7 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; const struct of_device_id *match; int ret, i, dai_id; + unsigned int id;
dsp_of_node = of_parse_phandle(pdev->dev.of_node, "qcom,adsp", 0); if (dsp_of_node) { @@ -572,8 +573,10 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev)
drvdata->variant = (struct lpass_variant *)match->data; variant = drvdata->variant; + id = variant->dai_driver->id;
- of_lpass_cpu_parse_dai_data(dev, drvdata); + if (id != HDMI) + of_lpass_cpu_parse_dai_data(dev, drvdata);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -584,18 +587,33 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev) return PTR_ERR((void const __force *)drvdata->lpaif); }
- lpass_cpu_regmap_config.max_register = LPAIF_WRDMAPER_REG(variant, + if (id != HDMI) { + lpass_cpu_regmap_config.max_register = LPAIF_WRDMAPER_REG(variant, variant->wrdma_channels + variant->wrdma_channel_start);
- drvdata->lpaif_map = devm_regmap_init_mmio(dev, drvdata->lpaif, - &lpass_cpu_regmap_config); - if (IS_ERR(drvdata->lpaif_map)) { - dev_err(dev, "error initializing regmap: %ld\n", + drvdata->lpaif_map = devm_regmap_init_mmio(dev, drvdata->lpaif, + &lpass_cpu_regmap_config); + if (IS_ERR(drvdata->lpaif_map)) { + dev_err(dev, "error initializing regmap: %ld\n", + PTR_ERR(drvdata->lpaif_map)); + return PTR_ERR(drvdata->lpaif_map); + } + } else { +#ifdef CONFIG_SND_SOC_LPASS_SC7180 + lpass_hdmi_regmap_config.max_register = LPAIF_HDMI_RDMAPER_REG(variant, + variant->rdma_channels); + drvdata->lpaif_map = devm_regmap_init_mmio(dev, drvdata->lpaif, + &lpass_hdmi_regmap_config); + if (IS_ERR(drvdata->lpaif_map)) { + dev_err(dev, "error initializing regmap: %ld\n", PTR_ERR(drvdata->lpaif_map)); - return PTR_ERR(drvdata->lpaif_map); + return PTR_ERR(drvdata->lpaif_map); + } +#else + return -EINVAL; +#endif } - if (variant->init) { ret = variant->init(pdev); if (ret) { @@ -606,6 +624,9 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev)
for (i = 0; i < variant->num_dai; i++) { dai_id = variant->dai_driver[i].id; + if (dai_id == HDMI) + continue; + drvdata->mi2s_osr_clk[dai_id] = devm_clk_get(dev, variant->dai_osr_clk_names[i]); if (IS_ERR(drvdata->mi2s_osr_clk[dai_id])) { @@ -629,18 +650,27 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev) } }
- /* Allocation for i2sctl regmap fields */ - drvdata->i2sctl = devm_kzalloc(&pdev->dev, sizeof(struct lpaif_i2sctl), - GFP_KERNEL); + if (id != HDMI) { + /* Allocation for i2sctl regmap fields */ + drvdata->i2sctl = devm_kzalloc(&pdev->dev, sizeof(struct lpaif_i2sctl), + GFP_KERNEL);
- /* Initialize bitfields for dai I2SCTL register */ - ret = lpass_cpu_init_i2sctl_bitfields(dev, drvdata->i2sctl, - drvdata->lpaif_map); - if (ret) { - dev_err(dev, "error init i2sctl field: %d\n", ret); - return ret; + /* Initialize bitfields for dai I2SCTL register */ + ret = lpass_cpu_init_i2sctl_bitfields(dev, drvdata->i2sctl, + drvdata->lpaif_map); + if (ret) + dev_err(dev, "error init i2sctl field: %d\n", ret); + } else { +#ifdef CONFIG_SND_SOC_LPASS_SC7180 + ret = lpass_hdmi_init_bitfields(dev, drvdata->lpaif_map); + if (ret) { + dev_err(dev, "%s error hdmi init failed\n", __func__); + return ret; + } +#else + return -EINVAL; +#endif } - ret = devm_snd_soc_register_component(dev, &lpass_cpu_comp_driver, variant->dai_driver, diff --git a/sound/soc/qcom/lpass-hdmi.c b/sound/soc/qcom/lpass-hdmi.c new file mode 100644 index 0000000..7e18113 --- /dev/null +++ b/sound/soc/qcom/lpass-hdmi.c @@ -0,0 +1,684 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2020 The Linux Foundation. All rights reserved. + * + * lpass-hdmi.c -- ALSA SoC HDMI-CPU DAI driver for QTi LPASS HDMI + */ + +#include <linux/clk.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <linux/regmap.h> +#include <sound/soc.h> +#include <sound/soc-dai.h> +#include <dt-bindings/sound/sc7180-lpass.h> +#include "lpass-lpaif-reg.h" +#include "lpass.h" +#include "lpass-hdmi.h" + +int lpass_hdmi_init_bitfields(struct device *dev, struct regmap *map) +{ + struct lpass_data *drvdata = dev_get_drvdata(dev); + struct lpass_variant *v = drvdata->variant; + unsigned int i; + struct lpass_hdmi_tx_ctl *tx_ctl; + struct lpass_hdmitx_legacy *legacy; + struct lpass_vbit_ctrl *vbit_ctl; + struct lpass_hdmi_tx_parity *tx_parity; + struct lpass_dp_metadata_ctl *meta_ctl; + struct lpass_sstream_ctl *sstream_ctl; + struct lpass_hdmi_tx_ch_msb *ch_msb; + struct lpass_hdmi_tx_ch_lsb *ch_lsb; + struct lpass_hdmitx_dmactl *hdmi_tx_dmactl; + + drvdata->tx_ctl = devm_kzalloc(dev, sizeof(struct lpass_hdmi_tx_ctl), + GFP_KERNEL); + if (drvdata->tx_ctl == NULL) + return -ENOMEM; + + tx_ctl = drvdata->tx_ctl; + tx_ctl->soft_reset = devm_regmap_field_alloc(dev, map, + v->soft_reset); + tx_ctl->force_reset = devm_regmap_field_alloc(dev, map, + v->force_reset); + if (IS_ERR(tx_ctl->soft_reset) || IS_ERR(tx_ctl->force_reset)) + return -EINVAL; + + drvdata->legacy = devm_kzalloc(dev, sizeof(struct lpass_hdmitx_legacy), + GFP_KERNEL); + if (drvdata->legacy == NULL) + return -ENOMEM; + + legacy = drvdata->legacy; + legacy->legacy_en = devm_regmap_field_alloc(dev, map, + v->legacy_en); + if (IS_ERR(legacy->legacy_en)) + return -EINVAL; + + drvdata->vbit_ctl = devm_kzalloc(dev, sizeof(struct lpass_vbit_ctrl), + GFP_KERNEL); + if (drvdata->vbit_ctl == NULL) + return -ENOMEM; + + vbit_ctl = drvdata->vbit_ctl; + vbit_ctl->replace_vbit = devm_regmap_field_alloc(dev, map, + v->replace_vbit); + vbit_ctl->vbit_stream = devm_regmap_field_alloc(dev, map, + v->vbit_stream); + if (IS_ERR(vbit_ctl->replace_vbit) || IS_ERR(vbit_ctl->vbit_stream)) + return -EINVAL; + + drvdata->tx_parity = devm_kzalloc(dev, + sizeof(struct lpass_hdmi_tx_parity), GFP_KERNEL); + + if (drvdata->tx_parity == NULL) + return -ENOMEM; + + tx_parity = drvdata->tx_parity; + tx_parity->calc_en = devm_regmap_field_alloc(dev, map, v->calc_en); + + if (IS_ERR(tx_parity->calc_en)) + return -EINVAL; + + drvdata->meta_ctl = devm_kzalloc(dev, + sizeof(struct lpass_dp_metadata_ctl), GFP_KERNEL); + + if (drvdata->meta_ctl == NULL) + return -ENOMEM; + + meta_ctl = drvdata->meta_ctl; + meta_ctl->mute = devm_regmap_field_alloc(dev, map, v->mute); + meta_ctl->as_sdp_cc = devm_regmap_field_alloc(dev, map, + v->as_sdp_cc); + meta_ctl->as_sdp_ct = devm_regmap_field_alloc(dev, map, + v->as_sdp_ct); + meta_ctl->aif_db4 = devm_regmap_field_alloc(dev, map, + v->aif_db4); + meta_ctl->frequency = devm_regmap_field_alloc(dev, map, + v->frequency); + meta_ctl->mst_index = devm_regmap_field_alloc(dev, map, + v->mst_index); + meta_ctl->dptx_index = devm_regmap_field_alloc(dev, map, + v->dptx_index); + + if (IS_ERR(meta_ctl->mute) || IS_ERR(meta_ctl->as_sdp_cc) || + IS_ERR(meta_ctl->as_sdp_ct) || IS_ERR(meta_ctl->aif_db4) || + IS_ERR(meta_ctl->frequency) || IS_ERR(meta_ctl->mst_index) || + IS_ERR(meta_ctl->dptx_index)) + return -EINVAL; + + drvdata->sstream_ctl = devm_kzalloc(dev, + sizeof(struct lpass_sstream_ctl), GFP_KERNEL); + if (drvdata->sstream_ctl == NULL) + return -ENOMEM; + + sstream_ctl = drvdata->sstream_ctl; + sstream_ctl->sstream_en = devm_regmap_field_alloc(dev, map, + v->sstream_en); + sstream_ctl->dma_sel = devm_regmap_field_alloc(dev, map, + v->dma_sel); + sstream_ctl->auto_bbit_en = devm_regmap_field_alloc(dev, map, + v->auto_bbit_en); + sstream_ctl->layout = devm_regmap_field_alloc(dev, map, + v->layout); + sstream_ctl->layout_sp = devm_regmap_field_alloc(dev, map, + v->layout_sp); + sstream_ctl->dp_audio = devm_regmap_field_alloc(dev, map, + v->dp_audio); + sstream_ctl->set_sp_on_en = devm_regmap_field_alloc(dev, map, + v->set_sp_on_en); + sstream_ctl->dp_staffing_en = devm_regmap_field_alloc(dev, map, + v->dp_staffing_en); + sstream_ctl->dp_sp_b_hw_en = devm_regmap_field_alloc(dev, map, + v->dp_sp_b_hw_en); + + if (IS_ERR(sstream_ctl->sstream_en) || IS_ERR(sstream_ctl->dma_sel) || + IS_ERR(sstream_ctl->auto_bbit_en) || + IS_ERR(sstream_ctl->layout) || IS_ERR(sstream_ctl->layout_sp) || + IS_ERR(sstream_ctl->dp_audio) || + IS_ERR(sstream_ctl->set_sp_on_en) || + IS_ERR(sstream_ctl->dp_staffing_en) || + IS_ERR(sstream_ctl->dp_sp_b_hw_en)) + return -EINVAL; + + for (i = 0; i < LPASS_MAX_HDMI_DMA_CHANNELS; i++) { + drvdata->ch_msb[i] = devm_kzalloc(dev, + sizeof(struct lpass_hdmi_tx_ch_msb), GFP_KERNEL); + if (drvdata->ch_msb[i] == NULL) + return -ENOMEM; + + ch_msb = drvdata->ch_msb[i]; + + ch_msb->msb_bits = devm_regmap_field_alloc(dev, map, + v->msb_bits); + if (IS_ERR(ch_msb->msb_bits)) + return -EINVAL; + + drvdata->ch_lsb[i] = devm_kzalloc(dev, + sizeof(struct lpass_hdmi_tx_ch_lsb), GFP_KERNEL); + if (drvdata->ch_lsb[i] == NULL) + return -ENOMEM; + + ch_lsb = drvdata->ch_lsb[i]; + ch_lsb->lsb_bits = devm_regmap_field_alloc(dev, map, + v->lsb_bits); + if (IS_ERR(ch_lsb->lsb_bits)) + return -EINVAL; + + + drvdata->hdmi_tx_dmactl[i] = devm_kzalloc(dev, + sizeof(struct lpass_hdmitx_dmactl), GFP_KERNEL); + if (drvdata->hdmi_tx_dmactl[i] == NULL) + return -ENOMEM; + + hdmi_tx_dmactl = drvdata->hdmi_tx_dmactl[i]; + hdmi_tx_dmactl->use_hw_chs = devm_regmap_field_alloc(dev, map, + v->use_hw_chs); + hdmi_tx_dmactl->use_hw_usr = devm_regmap_field_alloc(dev, map, + v->use_hw_usr); + hdmi_tx_dmactl->hw_chs_sel = devm_regmap_field_alloc(dev, map, + v->hw_chs_sel); + hdmi_tx_dmactl->hw_usr_sel = devm_regmap_field_alloc(dev, map, + v->hw_usr_sel); + if (IS_ERR(hdmi_tx_dmactl->use_hw_chs) || + IS_ERR(hdmi_tx_dmactl->use_hw_usr) || + IS_ERR(hdmi_tx_dmactl->hw_chs_sel) || + IS_ERR(hdmi_tx_dmactl->hw_usr_sel)) + return -EINVAL; + } + return 0; + +} +EXPORT_SYMBOL(lpass_hdmi_init_bitfields); + +static int lpass_hdmi_daiops_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) +{ + struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai); + snd_pcm_format_t format = params_format(params); + unsigned int rate = params_rate(params); + unsigned int channels = params_channels(params); + unsigned int ret; + unsigned int bitwidth; + unsigned int word_length; + unsigned int ch_sts_buf0; + unsigned int ch_sts_buf1; + unsigned int data_format; + unsigned int sampling_freq; + unsigned int ch = 0; + + bitwidth = snd_pcm_format_width(format); + if (bitwidth < 0) { + dev_err(dai->dev, "%s invalid bit width given : %d\n", + __func__, bitwidth); + return bitwidth; + } + + switch (bitwidth) { + case 16: + word_length = LPASS_DP_AUDIO_BITWIDTH16; + break; + case 24: + word_length = LPASS_DP_AUDIO_BITWIDTH24; + break; + default: + dev_err(dai->dev, "%s invalid bit width given : %d\n", + __func__, bitwidth); + return -EINVAL; + } + + switch (rate) { + case 32000: + sampling_freq = LPASS_SAMPLING_FREQ32; + break; + case 44100: + sampling_freq = LPASS_SAMPLING_FREQ44; + break; + case 48000: + sampling_freq = LPASS_SAMPLING_FREQ48; + break; + + default: + dev_err(dai->dev, "%s invalid bit width given : %d\n", + __func__, bitwidth); + return -EINVAL; + } + data_format = LPASS_DATA_FORMAT_LINEAR; + ch_sts_buf0 = (((data_format << LPASS_DATA_FORMAT_SHIFT) & LPASS_DATA_FORMAT_MASK) + | ((sampling_freq << LPASS_FREQ_BIT_SHIFT) & LPASS_FREQ_BIT_MASK)); + ch_sts_buf1 = (word_length) & LPASS_WORDLENGTH_MASK; + + ret = regmap_field_write(drvdata->tx_ctl->soft_reset, LPASS_TX_CTL_RESET); + if (ret) { + dev_err(dai->dev, "%s error writing to softreset enable : %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->tx_ctl->soft_reset, LPASS_TX_CTL_CLEAR); + if (ret) { + dev_err(dai->dev, "%s error writing to softreset disable : %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->legacy->legacy_en, + LPASS_HDMITX_LEGACY_DISABLE); + if (ret) { + dev_err(dai->dev, "%s error writing to legacy_en field : %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->tx_parity->calc_en, + HDMITX_PARITY_CALC_EN); + if (ret) { + dev_err(dai->dev, "%s error writing to tx_parity field : %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->vbit_ctl->replace_vbit, + REPLACE_VBIT); + if (ret) { + dev_err(dai->dev, "%s error writing to replace vbit field : %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->vbit_ctl->vbit_stream, + LINEAR_PCM_DATA); + if (ret) { + dev_err(dai->dev, "%s error writing to vbit stream field : %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->ch_msb[0]->msb_bits, ch_sts_buf1); + if (ret) { + dev_err(dai->dev, "%s error writing to ch_sts_buf1 field : %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->ch_lsb[0]->lsb_bits, ch_sts_buf0); + if (ret) { + dev_err(dai->dev, "%s error writing to ch_sts_buf0 field : %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->hdmi_tx_dmactl[0]->use_hw_chs, + HW_MODE); + if (ret) { + dev_err(dai->dev, "%s error writing to use_hw_chs field : %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->hdmi_tx_dmactl[0]->hw_chs_sel, + SW_MODE); + if (ret) { + dev_err(dai->dev, "%s error writing to hw_chs_sel field : %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->hdmi_tx_dmactl[0]->use_hw_usr, + HW_MODE); + if (ret) { + dev_err(dai->dev, "%s error writing to use_hw_usr field : %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->hdmi_tx_dmactl[0]->hw_usr_sel, + SW_MODE); + if (ret) { + dev_err(dai->dev, "%s error writing to hw_usr_sel field : %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->meta_ctl->mute, + LPASS_MUTE_ENABLE); + if (ret) { + dev_err(dai->dev, "%s error writing to mute field : %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->meta_ctl->as_sdp_cc, + channels - 1); + if (ret) { + dev_err(dai->dev, "%s error writing to as_sdp_cc field: %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->meta_ctl->as_sdp_ct, + LPASS_META_DEFAULT_VAL); + if (ret) { + dev_err(dai->dev, "%s error writing to as_sdp_ct field : %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->meta_ctl->aif_db4, + LPASS_META_DEFAULT_VAL); + if (ret) { + dev_err(dai->dev, "%s error writing to aif_db4 field: %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->meta_ctl->frequency, sampling_freq); + if (ret) { + dev_err(dai->dev, "%s error writing to frequency field: %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->meta_ctl->mst_index, + LPASS_META_DEFAULT_VAL); + if (ret) { + dev_err(dai->dev, "%s error writing to mst_index : %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->meta_ctl->dptx_index, + LPASS_META_DEFAULT_VAL); + if (ret) { + dev_err(dai->dev, "%s error writing to dptx_index field : %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->sstream_ctl->sstream_en, + LPASS_SSTREAM_DISABLE); + if (ret) { + dev_err(dai->dev, "%s error writing to sstream_en field : %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->sstream_ctl->dma_sel, ch); + if (ret) { + dev_err(dai->dev, "%s error writing to dma_sel field : %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->sstream_ctl->auto_bbit_en, + LPASS_SSTREAM_DEFAULT_ENABLE); + if (ret) { + dev_err(dai->dev, "%s error writing to auto_bbit_en field : %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->sstream_ctl->layout, + LPASS_SSTREAM_DEFAULT_DISABLE); + if (ret) { + dev_err(dai->dev, "%s error writing to layout field : %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->sstream_ctl->layout_sp, + LPASS_LAYOUT_SP_DEFAULT); + if (ret) { + dev_err(dai->dev, "%s error writing to layout_sp field : %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->sstream_ctl->dp_audio, + LPASS_SSTREAM_DEFAULT_ENABLE); + if (ret) { + dev_err(dai->dev, "%s error writing to dp_audio field : %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->sstream_ctl->set_sp_on_en, + LPASS_SSTREAM_DEFAULT_ENABLE); + if (ret) { + dev_err(dai->dev, "%s error writing to set_sp_on_en field : %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->sstream_ctl->dp_sp_b_hw_en, + LPASS_SSTREAM_DEFAULT_ENABLE); + if (ret) { + dev_err(dai->dev, "%s error writing to dp_sp_b_hw_en field : %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->sstream_ctl->dp_staffing_en, + LPASS_SSTREAM_DEFAULT_ENABLE); + if (ret) { + dev_err(dai->dev, "%s error writing to dp_staffing_en field: %d\n", + __func__, ret); + return ret; + } + return ret; +} + + + +static int lpass_hdmi_daiops_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai); + int ret; + + ret = regmap_field_write(drvdata->sstream_ctl->sstream_en, + LPASS_SSTREAM_ENABLE); + if (ret) { + dev_err(dai->dev, "%s error writing to sstream_en field: %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->meta_ctl->mute, + LPASS_MUTE_DISABLE); + if (ret) { + dev_err(dai->dev, "%s error writing to mute field : %d\n", + __func__, ret); + return ret; + } + return ret; +} + +static int lpass_hdmi_daiops_trigger(struct snd_pcm_substream *substream, + int cmd, struct snd_soc_dai *dai) +{ + struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai); + int ret = -EINVAL; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + + ret = regmap_field_write(drvdata->sstream_ctl->sstream_en, + LPASS_SSTREAM_ENABLE); + if (ret) { + dev_err(dai->dev, "%s error writing to sstream_en field: %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->meta_ctl->mute, + LPASS_MUTE_DISABLE); + if (ret) { + dev_err(dai->dev, "%s error writing to mute field : %d\n", + __func__, ret); + return ret; + } + break; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + + ret = regmap_field_write(drvdata->sstream_ctl->sstream_en, + LPASS_SSTREAM_DISABLE); + if (ret) { + dev_err(dai->dev, "%s error writing to sstream_en field: %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->meta_ctl->mute, + LPASS_MUTE_ENABLE); + if (ret) { + dev_err(dai->dev, "%s error writing to mute field : %d\n", + __func__, ret); + return ret; + } + + ret = regmap_field_write(drvdata->sstream_ctl->dp_audio, 0); + if (ret) { + dev_err(dai->dev, "%s error writing to dp_audio field: %d\n", + __func__, ret); + return ret; + } + break; + } + return ret; +} + +const struct snd_soc_dai_ops asoc_qcom_lpass_hdmi_dai_ops = { + .hw_params = lpass_hdmi_daiops_hw_params, + .prepare = lpass_hdmi_daiops_prepare, + .trigger = lpass_hdmi_daiops_trigger, +}; +EXPORT_SYMBOL_GPL(asoc_qcom_lpass_hdmi_dai_ops); + + + +static bool lpass_hdmi_regmap_writeable(struct device *dev, unsigned int reg) +{ + struct lpass_data *drvdata = dev_get_drvdata(dev); + struct lpass_variant *v = drvdata->variant; + int i; + + if (reg == LPASS_HDMI_TX_CTL_ADDR(v)) + return true; + if (reg == LPASS_HDMI_TX_LEGACY_ADDR(v)) + return true; + if (reg == LPASS_HDMI_TX_VBIT_CTL_ADDR(v)) + return true; + + for (i = 0; i < v->rdma_channels; i++) { + if (reg == LPASS_HDMI_TX_CH_LSB_ADDR(v, i)) + return true; + if (reg == LPASS_HDMI_TX_CH_MSB_ADDR(v, i)) + return true; + if (reg == LPASS_HDMI_TX_DMA_ADDR(v, i)) + return true; + } + + if (reg == LPASS_HDMI_TX_PARITY_ADDR(v)) + return true; + if (reg == LPASS_HDMI_TX_DP_ADDR(v)) + return true; + if (reg == LPASS_HDMI_TX_SSTREAM_ADDR(v)) + return true; + + if (reg == LPASS_HDMITX_APP_IRQEN_REG(v)) + return true; + if (reg == LPASS_HDMITX_APP_IRQCLEAR_REG(v)) + return true; + + for (i = 0; i < v->rdma_channels; ++i) { + if (reg == LPAIF_HDMI_RDMACTL_REG(v, i)) + return true; + if (reg == LPAIF_HDMI_RDMABASE_REG(v, i)) + return true; + if (reg == LPAIF_HDMI_RDMABUFF_REG(v, i)) + return true; + if (reg == LPAIF_HDMI_RDMAPER_REG(v, i)) + return true; + + } + return false; +} + +static bool lpass_hdmi_regmap_readable(struct device *dev, unsigned int reg) +{ + struct lpass_data *drvdata = dev_get_drvdata(dev); + struct lpass_variant *v = drvdata->variant; + int i; + + if (reg == LPASS_HDMI_TX_CTL_ADDR(v)) + return true; + if (reg == LPASS_HDMI_TX_LEGACY_ADDR(v)) + return true; + if (reg == LPASS_HDMI_TX_VBIT_CTL_ADDR(v)) + return true; + + for (i = 0; i < v->rdma_channels; i++) { + if (reg == LPASS_HDMI_TX_CH_LSB_ADDR(v, i)) + return true; + if (reg == LPASS_HDMI_TX_CH_MSB_ADDR(v, i)) + return true; + if (reg == LPASS_HDMI_TX_DMA_ADDR(v, i)) + return true; + } + + if (reg == LPASS_HDMI_TX_PARITY_ADDR(v)) + return true; + if (reg == LPASS_HDMI_TX_DP_ADDR(v)) + return true; + if (reg == LPASS_HDMI_TX_SSTREAM_ADDR(v)) + return true; + + if (reg == LPASS_HDMITX_APP_IRQEN_REG(v)) + return true; + if (reg == LPASS_HDMITX_APP_IRQSTAT_REG(v)) + return true; + + for (i = 0; i < v->rdma_channels; ++i) { + if (reg == LPAIF_HDMI_RDMACTL_REG(v, i)) + return true; + if (reg == LPAIF_HDMI_RDMABASE_REG(v, i)) + return true; + if (reg == LPAIF_HDMI_RDMABUFF_REG(v, i)) + return true; + if (reg == LPAIF_HDMI_RDMAPER_REG(v, i)) + return true; + if (reg == LPAIF_HDMI_RDMACURR_REG(v, i)) + return true; + } + + return false; +} + +static bool lpass_hdmi_regmap_volatile(struct device *dev, unsigned int reg) +{ + return true; + +} +struct regmap_config lpass_hdmi_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .writeable_reg = lpass_hdmi_regmap_writeable, + .readable_reg = lpass_hdmi_regmap_readable, + .volatile_reg = lpass_hdmi_regmap_volatile, + .cache_type = REGCACHE_FLAT, +}; +EXPORT_SYMBOL(lpass_hdmi_regmap_config); + +MODULE_DESCRIPTION("QTi LPASS HDMI Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/qcom/lpass-hdmi.h b/sound/soc/qcom/lpass-hdmi.h new file mode 100644 index 0000000..f91f322 --- /dev/null +++ b/sound/soc/qcom/lpass-hdmi.h @@ -0,0 +1,129 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2020 The Linux Foundation. All rights reserved. + * + * lpass_hdmi.h - Definitions for the QTi LPASS HDMI + */ + +#ifndef __LPASS_HDMI_H__ +#define __LPASS_HDMI_H__ + +#include <linux/clk.h> +#include <linux/compiler.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> + +#define LPASS_HDMITX_LEGACY_DISABLE 0x0 +#define LPASS_HDMITX_LEGACY_ENABLE 0x1 +#define LPASS_DP_AUDIO_BITWIDTH16 0x0 +#define LPASS_DP_AUDIO_BITWIDTH24 0xb +#define LPASS_DATA_FORMAT_SHIFT 0x1 +#define LPASS_DATA_FORMAT_MASK 0x2 +#define LPASS_FREQ_BIT_SHIFT 24 +#define LPASS_FREQ_BIT_MASK 0xf000000 +#define LPASS_DATA_FORMAT_LINEAR 0x0 +#define LPASS_DATA_FORMAT_NON_LINEAR 0x1 +#define LPASS_SAMPLING_FREQ32 0x3 +#define LPASS_SAMPLING_FREQ44 0x0 +#define LPASS_SAMPLING_FREQ48 0x2 +#define LPASS_TX_CTL_RESET 0x1 +#define LPASS_TX_CTL_CLEAR 0x0 +#define LPASS_SSTREAM_ENABLE 1 +#define LPASS_SSTREAM_DISABLE 0 +#define LPASS_LAYOUT_SP_DEFAULT 0xf +#define LPASS_SSTREAM_DEFAULT_ENABLE 1 +#define LPASS_SSTREAM_DEFAULT_DISABLE 0 +#define LPASS_WORDLENGTH_MASK 0xf +#define LPASS_MUTE_ENABLE 1 +#define LPASS_MUTE_DISABLE 0 +#define LPASS_META_DEFAULT_VAL 0 +#define HW_MODE 1 +#define SW_MODE 0 +#define LEGACY_LPASS_LPAIF 1 +#define LEGACY_LPASS_HDMI 0 +#define REPLACE_VBIT 0x1 +#define LINEAR_PCM_DATA 0x0 +#define NON_LINEAR_PCM_DATA 0x1 +#define HDMITX_PARITY_CALC_EN 0x1 +#define HDMITX_PARITY_CALC_DIS 0x0 + + +#define LPASS_HDMI_TX_CTL_ADDR(v) \ + (v->hdmi_tx_ctl_addr) + +#define LPASS_HDMI_TX_LEGACY_ADDR(v) \ + (v->hdmi_legacy_addr) +#define LPASS_HDMI_TX_VBIT_CTL_ADDR(v) \ + (v->hdmi_vbit_addr) +#define LPASS_HDMI_TX_CH_LSB_ADDR(v, port) \ + (v->hdmi_ch_lsb_addr + \ + v->ch_stride * (port)) +#define LPASS_HDMI_TX_CH_MSB_ADDR(v, port) \ + (v->hdmi_ch_msb_addr + \ + v->ch_stride * (port)) +#define LPASS_HDMI_TX_DMA_ADDR(v, port) \ + (v->hdmi_dmactl_addr + \ + v->hdmi_dma_stride * (port)) +#define LPASS_HDMI_TX_PARITY_ADDR(v) \ + (v->hdmi_parity_addr) +#define LPASS_HDMI_TX_DP_ADDR(v) \ + (v->hdmi_DP_addr) +#define LPASS_HDMI_TX_SSTREAM_ADDR(v) \ + (v->hdmi_sstream_addr) + +struct lpass_sstream_ctl { + struct regmap_field *sstream_en; + struct regmap_field *dma_sel; + struct regmap_field *auto_bbit_en; + struct regmap_field *layout; + struct regmap_field *layout_sp; + struct regmap_field *set_sp_on_en; + struct regmap_field *dp_audio; + struct regmap_field *dp_staffing_en; + struct regmap_field *dp_sp_b_hw_en; +}; + +struct lpass_dp_metadata_ctl { + struct regmap_field *mute; + struct regmap_field *as_sdp_cc; + struct regmap_field *as_sdp_ct; + struct regmap_field *aif_db4; + struct regmap_field *frequency; + struct regmap_field *mst_index; + struct regmap_field *dptx_index; +}; + +struct lpass_hdmi_tx_ctl { + struct regmap_field *soft_reset; + struct regmap_field *force_reset; +}; + +struct lpass_hdmitx_dmactl { + struct regmap_field *use_hw_chs; + struct regmap_field *use_hw_usr; + struct regmap_field *hw_chs_sel; + struct regmap_field *hw_usr_sel; +}; + +struct lpass_vbit_ctrl { + struct regmap_field *replace_vbit; + struct regmap_field *vbit_stream; +}; + +struct lpass_hdmitx_legacy { + struct regmap_field *legacy_en; +}; + +struct lpass_hdmi_tx_parity { + struct regmap_field *calc_en; +}; + +struct lpass_hdmi_tx_ch_lsb { + struct regmap_field *lsb_bits; +}; + +struct lpass_hdmi_tx_ch_msb { + struct regmap_field *msb_bits; +}; + +#endif /* __LPASS_HDMI_H__ */ diff --git a/sound/soc/qcom/lpass-lpaif-reg.h b/sound/soc/qcom/lpass-lpaif-reg.h index 5258e60..ecf9be1 100644 --- a/sound/soc/qcom/lpass-lpaif-reg.h +++ b/sound/soc/qcom/lpass-lpaif-reg.h @@ -70,6 +70,29 @@ #define LPAIF_IRQSTAT_REG(v, port) LPAIF_IRQ_REG_ADDR(v, 0x4, (port)) #define LPAIF_IRQCLEAR_REG(v, port) LPAIF_IRQ_REG_ADDR(v, 0xC, (port))
+ +#define LPASS_HDMITX_APP_IRQ_REG_ADDR(v, addr) \ + ((v->irq_reg_base) + (addr)) + +#define LPASS_HDMITX_APP_IRQEN_REG(v) LPASS_HDMITX_APP_IRQ_REG_ADDR(v, 0x4) +#define LPASS_HDMITX_APP_IRQSTAT_REG(v) LPASS_HDMITX_APP_IRQ_REG_ADDR(v, 0x8) +#define LPASS_HDMITX_APP_IRQCLEAR_REG(v) LPASS_HDMITX_APP_IRQ_REG_ADDR(v, 0xC) + +#define IRQ_EN(v, port)\ + ((v->dai_driver->id == HDMI) ? \ + LPASS_HDMITX_APP_IRQEN_REG(v) : \ + LPAIF_IRQEN_REG(v, port)) + +#define IRQ_STAT(v, port)\ + ((v->dai_driver->id == HDMI) ? \ + LPASS_HDMITX_APP_IRQSTAT_REG(v) : \ + LPAIF_IRQSTAT_REG(v, port)) + +#define IRQ_CLEAR(v, port)\ + ((v->dai_driver->id == HDMI) ? \ + LPASS_HDMITX_APP_IRQCLEAR_REG(v) : \ + LPAIF_IRQCLEAR_REG(v, port)) + #define LPAIF_IRQ_BITSTRIDE 3
#define LPAIF_IRQ_PER(chan) (1 << (LPAIF_IRQ_BITSTRIDE * (chan))) @@ -77,8 +100,22 @@ #define LPAIF_IRQ_ERR(chan) (4 << (LPAIF_IRQ_BITSTRIDE * (chan)))
#define LPAIF_IRQ_ALL(chan) (7 << (LPAIF_IRQ_BITSTRIDE * (chan))) +#define LPAIF_IRQ_HDMI_REQ_ON_PRELOAD(chan) (1 << (14 + chan)) +#define LPAIF_IRQ_HDMI_SDEEP_AUD_DIS(chan) (1 << (24 + chan)) +#define LPAIF_IRQ_HDMI_METADONE BIT(23)
/* LPAIF DMA */ +#define LPAIF_HDMI_RDMA_REG_ADDR(v, addr, chan) \ + (v->rdma_reg_base + (addr) + v->rdma_reg_stride * (chan)) + +#define LPAIF_HDMI_RDMACTL_AUDINTF(id) (id << LPAIF_RDMACTL_AUDINTF_SHIFT) + +#define LPAIF_HDMI_RDMACTL_REG(v, chan) LPAIF_HDMI_RDMA_REG_ADDR(v, 0x00, (chan)) +#define LPAIF_HDMI_RDMABASE_REG(v, chan) LPAIF_HDMI_RDMA_REG_ADDR(v, 0x04, (chan)) +#define LPAIF_HDMI_RDMABUFF_REG(v, chan) LPAIF_HDMI_RDMA_REG_ADDR(v, 0x08, (chan)) +#define LPAIF_HDMI_RDMACURR_REG(v, chan) LPAIF_HDMI_RDMA_REG_ADDR(v, 0x0C, (chan)) +#define LPAIF_HDMI_RDMAPER_REG(v, chan) LPAIF_HDMI_RDMA_REG_ADDR(v, 0x10, (chan)) +#define LPAIF_HDMI_RDMAPERCNT_REG(v, chan) LPAIF_HDMI_RDMA_REG_ADDR(v, 0x14, (chan))
#define LPAIF_RDMA_REG_ADDR(v, addr, chan) \ (v->rdma_reg_base + (addr) + v->rdma_reg_stride * (chan)) @@ -103,10 +140,15 @@ #define LPAIF_WRDMAPER_REG(v, chan) LPAIF_WRDMA_REG_ADDR(v, 0x10, (chan)) #define LPAIF_WRDMAPERCNT_REG(v, chan) LPAIF_WRDMA_REG_ADDR(v, 0x14, (chan))
+#define LPAIF_INTFDMA_REG(v, chan, reg) \ + ((v->dai_driver->id == HDMI) ? \ + LPAIF_HDMI_RDMA##reg##_REG(v, chan) : \ + LPAIF_RDMA##reg##_REG(v, chan)) + #define __LPAIF_DMA_REG(v, chan, dir, reg) \ - (dir == SNDRV_PCM_STREAM_PLAYBACK) ? \ - LPAIF_RDMA##reg##_REG(v, chan) : \ - LPAIF_WRDMA##reg##_REG(v, chan) + ((dir == SNDRV_PCM_STREAM_PLAYBACK) ? \ + (LPAIF_INTFDMA_REG(v, chan, reg)) : \ + LPAIF_WRDMA##reg##_REG(v, chan))
#define LPAIF_DMACTL_REG(v, chan, dir) __LPAIF_DMA_REG(v, chan, dir, CTL) #define LPAIF_DMABASE_REG(v, chan, dir) __LPAIF_DMA_REG(v, chan, dir, BASE) diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c index df692ed..3422fa4 100644 --- a/sound/soc/qcom/lpass-platform.c +++ b/sound/soc/qcom/lpass-platform.c @@ -23,7 +23,7 @@ struct lpass_pcm_data { int i2s_port; };
-#define LPASS_PLATFORM_BUFFER_SIZE (16 * 1024) +#define LPASS_PLATFORM_BUFFER_SIZE (24 * 2 * 1024) #define LPASS_PLATFORM_PERIODS 2
static const struct snd_pcm_hardware lpass_platform_pcm_hardware = { @@ -56,44 +56,73 @@ static int lpass_platform_alloc_dmactl_fields(struct device *dev, struct lpass_data *drvdata = dev_get_drvdata(dev); struct lpass_variant *v = drvdata->variant; struct lpaif_dmactl *rd_dmactl, *wr_dmactl; + unsigned int dai_id = v->dai_driver->id; +
drvdata->rd_dmactl = devm_kzalloc(dev, sizeof(struct lpaif_dmactl), GFP_KERNEL); if (drvdata->rd_dmactl == NULL) return -ENOMEM;
- drvdata->wr_dmactl = devm_kzalloc(dev, sizeof(struct lpaif_dmactl), - GFP_KERNEL); - if (drvdata->wr_dmactl == NULL) - return -ENOMEM; - rd_dmactl = drvdata->rd_dmactl; - wr_dmactl = drvdata->wr_dmactl;
rd_dmactl->bursten = devm_regmap_field_alloc(dev, map, v->rdma_bursten); rd_dmactl->wpscnt = devm_regmap_field_alloc(dev, map, v->rdma_wpscnt); rd_dmactl->fifowm = devm_regmap_field_alloc(dev, map, v->rdma_fifowm); - rd_dmactl->intf = devm_regmap_field_alloc(dev, map, v->rdma_intf); rd_dmactl->enable = devm_regmap_field_alloc(dev, map, v->rdma_enable); rd_dmactl->dyncclk = devm_regmap_field_alloc(dev, map, v->rdma_dyncclk);
if (IS_ERR(rd_dmactl->bursten) || IS_ERR(rd_dmactl->wpscnt) || - IS_ERR(rd_dmactl->fifowm) || IS_ERR(rd_dmactl->intf) || - IS_ERR(rd_dmactl->enable) || IS_ERR(rd_dmactl->dyncclk)) + IS_ERR(rd_dmactl->fifowm) || IS_ERR(rd_dmactl->dyncclk) || + IS_ERR(rd_dmactl->enable)) return -EINVAL;
- wr_dmactl->bursten = devm_regmap_field_alloc(dev, map, v->wrdma_bursten); - wr_dmactl->wpscnt = devm_regmap_field_alloc(dev, map, v->wrdma_wpscnt); - wr_dmactl->fifowm = devm_regmap_field_alloc(dev, map, v->wrdma_fifowm); - wr_dmactl->intf = devm_regmap_field_alloc(dev, map, v->wrdma_intf); - wr_dmactl->enable = devm_regmap_field_alloc(dev, map, v->wrdma_enable); - wr_dmactl->dyncclk = devm_regmap_field_alloc(dev, map, v->wrdma_dyncclk); + switch (dai_id) { + case HDMI: + rd_dmactl->burst8 = devm_regmap_field_alloc(dev, map, v->rdma_burst8); + rd_dmactl->burst16 = devm_regmap_field_alloc(dev, map, v->rdma_burst16); + rd_dmactl->dynburst = devm_regmap_field_alloc(dev, map, v->rdma_dynburst);
- if (IS_ERR(wr_dmactl->bursten) || IS_ERR(wr_dmactl->wpscnt) || - IS_ERR(wr_dmactl->fifowm) || IS_ERR(wr_dmactl->intf) || - IS_ERR(wr_dmactl->enable) || IS_ERR(wr_dmactl->dyncclk)) - return -EINVAL; + if (IS_ERR(rd_dmactl->burst8) || IS_ERR(rd_dmactl->burst16) || + IS_ERR(rd_dmactl->dynburst)) + return -EINVAL; + break; + case MI2S_PRIMARY: + case MI2S_SECONDARY: + rd_dmactl->intf = devm_regmap_field_alloc(dev, map, v->rdma_intf); + if (IS_ERR(rd_dmactl->intf)) + return -EINVAL;
+ drvdata->wr_dmactl = devm_kzalloc(dev, + sizeof(struct lpaif_dmactl), GFP_KERNEL); + if (drvdata->wr_dmactl == NULL) + return -ENOMEM; + + wr_dmactl = drvdata->wr_dmactl; + + wr_dmactl->bursten = devm_regmap_field_alloc(dev, map, + v->wrdma_bursten); + wr_dmactl->wpscnt = devm_regmap_field_alloc(dev, map, + v->wrdma_wpscnt); + wr_dmactl->fifowm = devm_regmap_field_alloc(dev, map, + v->wrdma_fifowm); + wr_dmactl->intf = devm_regmap_field_alloc(dev, map, + v->wrdma_intf); + wr_dmactl->enable = devm_regmap_field_alloc(dev, map, + v->wrdma_enable); + wr_dmactl->dyncclk = devm_regmap_field_alloc(dev, map, + v->wrdma_dyncclk); + + if (IS_ERR(wr_dmactl->bursten) || IS_ERR(wr_dmactl->wpscnt) || + IS_ERR(wr_dmactl->fifowm) || IS_ERR(wr_dmactl->intf) || + IS_ERR(wr_dmactl->enable) || IS_ERR(wr_dmactl->dyncclk)) + return -EINVAL; + break; + default: + dev_err(dev, "%s: alloc dma channels failed for %d interface\n", + __func__, dai_id); + break; + } return 0; }
@@ -106,7 +135,7 @@ static int lpass_platform_pcmops_open(struct snd_soc_component *component, struct lpass_data *drvdata = snd_soc_component_get_drvdata(component); struct lpass_variant *v = drvdata->variant; int ret, dma_ch, dir = substream->stream; - struct lpass_pcm_data *data; + struct lpass_pcm_data *data = NULL;
data = kzalloc(sizeof(*data), GFP_KERNEL); if (!data) @@ -174,6 +203,7 @@ static int lpass_platform_pcmops_hw_params(struct snd_soc_component *component, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *soc_runtime = asoc_substream_to_rtd(substream); + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(soc_runtime, 0); struct lpass_data *drvdata = snd_soc_component_get_drvdata(component); struct snd_pcm_runtime *rt = substream->runtime; struct lpass_pcm_data *pcm_data = rt->private_data; @@ -184,7 +214,9 @@ static int lpass_platform_pcmops_hw_params(struct snd_soc_component *component, struct lpaif_dmactl *dmactl; int id, dir = substream->stream; int bitwidth; - int ret, dma_port = pcm_data->i2s_port + v->dmactl_audif_start; + int ret; + int dma_port = pcm_data->i2s_port + v->dmactl_audif_start; + unsigned int dai_id = cpu_dai->driver->id;
if (dir == SNDRV_PCM_STREAM_PLAYBACK) { dmactl = drvdata->rd_dmactl; @@ -207,18 +239,48 @@ static int lpass_platform_pcmops_hw_params(struct snd_soc_component *component, return ret; }
- regmap_fields_write(dmactl->fifowm, id, LPAIF_DMACTL_FIFOWM_8); + ret = regmap_fields_write(dmactl->fifowm, id, LPAIF_DMACTL_FIFOWM_8); if (ret) { dev_err(soc_runtime->dev, "error updating fifowm field: %d\n", ret); return ret; }
- regmap_fields_write(dmactl->intf, id, LPAIF_DMACTL_AUDINTF(dma_port)); - if (ret) { - dev_err(soc_runtime->dev, "error updating audintf field: %d\n", ret); - return ret; - } + switch (dai_id) { + case HDMI: + ret = regmap_fields_write(dmactl->burst8, id, + LPAIF_DMACTL_BURSTEN_INCR4); + if (ret) { + dev_err(soc_runtime->dev, "error updating burst8en field: %d\n", ret); + return ret; + } + ret = regmap_fields_write(dmactl->burst16, id, + LPAIF_DMACTL_BURSTEN_INCR4); + if (ret) { + dev_err(soc_runtime->dev, "error updating burst16en field: %d\n", ret); + return ret; + } + ret = regmap_fields_write(dmactl->dynburst, id, + LPAIF_DMACTL_BURSTEN_INCR4); + if (ret) { + dev_err(soc_runtime->dev, "error updating dynbursten field: %d\n", ret); + return ret; + } + break; + case MI2S_PRIMARY: + case MI2S_SECONDARY: + ret = regmap_fields_write(dmactl->intf, id, + LPAIF_DMACTL_AUDINTF(dma_port)); + if (ret) { + dev_err(soc_runtime->dev, "error updating audio interface field: %d\n", + ret); + return ret; + }
+ break; + default: + dev_err(soc_runtime->dev, "%s: invalid interface: %d\n", __func__, dai_id); + break; + } switch (bitwidth) { case 16: switch (channels) { @@ -249,16 +311,24 @@ static int lpass_platform_pcmops_hw_params(struct snd_soc_component *component, regval = LPAIF_DMACTL_WPSCNT_ONE; break; case 2: - regval = LPAIF_DMACTL_WPSCNT_TWO; + regval = (dai_id == HDMI ? + LPAIF_DMACTL_WPSCNT_ONE : + LPAIF_DMACTL_WPSCNT_TWO); break; case 4: - regval = LPAIF_DMACTL_WPSCNT_FOUR; + regval = (dai_id == HDMI ? + LPAIF_DMACTL_WPSCNT_TWO : + LPAIF_DMACTL_WPSCNT_FOUR); break; case 6: - regval = LPAIF_DMACTL_WPSCNT_SIX; + regval = (dai_id == HDMI ? + LPAIF_DMACTL_WPSCNT_THREE : + LPAIF_DMACTL_WPSCNT_SIX); break; case 8: - regval = LPAIF_DMACTL_WPSCNT_EIGHT; + regval = (dai_id == HDMI ? + LPAIF_DMACTL_WPSCNT_FOUR : + LPAIF_DMACTL_WPSCNT_EIGHT); break; default: dev_err(soc_runtime->dev, @@ -268,7 +338,8 @@ static int lpass_platform_pcmops_hw_params(struct snd_soc_component *component, } break; default: - dev_err(soc_runtime->dev, "invalid PCM config given: bw=%d, ch=%u\n", + dev_err(soc_runtime->dev, + "invalid PCM config given: bw=%d,ch=%u\n", bitwidth, channels); return -EINVAL; } @@ -366,6 +437,7 @@ static int lpass_platform_pcmops_trigger(struct snd_soc_component *component, int cmd) { struct snd_soc_pcm_runtime *soc_runtime = asoc_substream_to_rtd(substream); + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(soc_runtime, 0); struct lpass_data *drvdata = snd_soc_component_get_drvdata(component); struct snd_pcm_runtime *rt = substream->runtime; struct lpass_pcm_data *pcm_data = rt->private_data; @@ -373,6 +445,9 @@ static int lpass_platform_pcmops_trigger(struct snd_soc_component *component, struct lpaif_dmactl *dmactl; int ret, ch, id; int dir = substream->stream; + unsigned int reg_irqclr = 0, val_irqclr = 0; + unsigned int reg_irqen = 0, val_irqen = 0, val_mask = 0; + unsigned int dai_id = cpu_dai->driver->id;
ch = pcm_data->dma_ch; if (dir == SNDRV_PCM_STREAM_PLAYBACK) { @@ -387,31 +462,65 @@ static int lpass_platform_pcmops_trigger(struct snd_soc_component *component, case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - /* clear status before enabling interrupts */ - ret = regmap_write(drvdata->lpaif_map, - LPAIF_IRQCLEAR_REG(v, LPAIF_IRQ_PORT_HOST), - LPAIF_IRQ_ALL(ch)); + ret = regmap_fields_write(dmactl->enable, id, + LPAIF_DMACTL_ENABLE_ON); if (ret) { dev_err(soc_runtime->dev, - "error writing to irqclear reg: %d\n", ret); + "error writing to rdmactl reg: %d\n", ret); return ret; } + switch (dai_id) { + case HDMI: + ret = regmap_fields_write(dmactl->dyncclk, id, + LPAIF_DMACTL_DYNCLK_ON); + if (ret) { + dev_err(soc_runtime->dev, + "error writing to rdmactl reg: %d\n", ret); + return ret; + } + reg_irqclr = LPASS_HDMITX_APP_IRQCLEAR_REG(v); + val_irqclr = (LPAIF_IRQ_ALL(ch) | + LPAIF_IRQ_HDMI_REQ_ON_PRELOAD(ch) | + LPAIF_IRQ_HDMI_METADONE | + LPAIF_IRQ_HDMI_SDEEP_AUD_DIS(ch)); + + reg_irqen = LPASS_HDMITX_APP_IRQEN_REG(v); + val_mask = (LPAIF_IRQ_ALL(ch) | + LPAIF_IRQ_HDMI_REQ_ON_PRELOAD(ch) | + LPAIF_IRQ_HDMI_METADONE | + LPAIF_IRQ_HDMI_SDEEP_AUD_DIS(ch)); + val_irqen = (LPAIF_IRQ_ALL(ch) | + LPAIF_IRQ_HDMI_REQ_ON_PRELOAD(ch) | + LPAIF_IRQ_HDMI_METADONE | + LPAIF_IRQ_HDMI_SDEEP_AUD_DIS(ch)); + break; + case MI2S_PRIMARY: + case MI2S_SECONDARY: + reg_irqclr = LPAIF_IRQCLEAR_REG(v, + LPAIF_IRQ_PORT_HOST); + val_irqclr = LPAIF_IRQ_ALL(ch);
- ret = regmap_update_bits(drvdata->lpaif_map, - LPAIF_IRQEN_REG(v, LPAIF_IRQ_PORT_HOST), - LPAIF_IRQ_ALL(ch), - LPAIF_IRQ_ALL(ch)); + + reg_irqen = LPAIF_IRQEN_REG(v, LPAIF_IRQ_PORT_HOST); + val_mask = LPAIF_IRQ_ALL(ch); + val_irqen = LPAIF_IRQ_ALL(ch); + break; + default: + dev_err(soc_runtime->dev, "%s: invalid %d interface\n", __func__, dai_id); + return -EINVAL; + } + + ret = regmap_write(drvdata->lpaif_map, reg_irqclr, val_irqclr); if (ret) { dev_err(soc_runtime->dev, - "error writing to irqen reg: %d\n", ret); + "error writing to irqclear reg: %d\n", ret); return ret; } - - ret = regmap_fields_write(dmactl->enable, id, - LPAIF_DMACTL_ENABLE_ON); + ret = regmap_update_bits(drvdata->lpaif_map, + reg_irqen, val_mask, val_irqen); if (ret) { dev_err(soc_runtime->dev, - "error writing to rdmactl reg: %d\n", ret); + "error writing to irqen reg: %d\n", ret); return ret; } break; @@ -425,10 +534,37 @@ static int lpass_platform_pcmops_trigger(struct snd_soc_component *component, "error writing to rdmactl reg: %d\n", ret); return ret; } + switch (dai_id) { + case HDMI: + ret = regmap_fields_write(dmactl->dyncclk, id, + LPAIF_DMACTL_DYNCLK_OFF); + if (ret) { + dev_err(soc_runtime->dev, + "error writing to rdmactl reg: %d\n", ret); + return ret; + } + + reg_irqen = LPASS_HDMITX_APP_IRQEN_REG(v); + val_mask = (LPAIF_IRQ_ALL(ch) | + LPAIF_IRQ_HDMI_REQ_ON_PRELOAD(ch) | + LPAIF_IRQ_HDMI_METADONE | + LPAIF_IRQ_HDMI_SDEEP_AUD_DIS(ch)); + val_irqen = 0; + break; + case MI2S_PRIMARY: + case MI2S_SECONDARY: + reg_irqen = LPAIF_IRQEN_REG(v, LPAIF_IRQ_PORT_HOST); + val_mask = LPAIF_IRQ_ALL(ch); + val_irqen = 0; + break; + default: + dev_err(soc_runtime->dev, "%s: invalid %d interface\n", __func__, dai_id); + return -EINVAL; + }
ret = regmap_update_bits(drvdata->lpaif_map, - LPAIF_IRQEN_REG(v, LPAIF_IRQ_PORT_HOST), - LPAIF_IRQ_ALL(ch), 0); + reg_irqen, + val_mask, val_irqen); if (ret) { dev_err(soc_runtime->dev, "error writing to irqen reg: %d\n", ret); @@ -489,14 +625,32 @@ static irqreturn_t lpass_dma_interrupt_handler( int chan, u32 interrupts) { struct snd_soc_pcm_runtime *soc_runtime = asoc_substream_to_rtd(substream); + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(soc_runtime, 0); struct lpass_variant *v = drvdata->variant; irqreturn_t ret = IRQ_NONE; int rv; + unsigned int reg = 0, val = 0; + unsigned int dai_id = cpu_dai->driver->id;
if (interrupts & LPAIF_IRQ_PER(chan)) { - rv = regmap_write(drvdata->lpaif_map, - LPAIF_IRQCLEAR_REG(v, LPAIF_IRQ_PORT_HOST), - LPAIF_IRQ_PER(chan)); + switch (dai_id) { + case HDMI: + reg = LPASS_HDMITX_APP_IRQCLEAR_REG(v); + val = (LPAIF_IRQ_HDMI_REQ_ON_PRELOAD(chan) | + LPAIF_IRQ_HDMI_METADONE | + LPAIF_IRQ_HDMI_SDEEP_AUD_DIS(chan)); + break; + case MI2S_PRIMARY: + case MI2S_SECONDARY: + reg = LPAIF_IRQCLEAR_REG(v, LPAIF_IRQ_PORT_HOST); + val = 0; + break; + default: + dev_err(soc_runtime->dev, "%s: invalid %d interface\n", __func__, dai_id); + return -EINVAL; + } + rv = regmap_write(drvdata->lpaif_map, reg, + LPAIF_IRQ_PER(chan) | val); if (rv) { dev_err(soc_runtime->dev, "error writing to irqclear reg: %d\n", rv); @@ -507,9 +661,8 @@ static irqreturn_t lpass_dma_interrupt_handler( }
if (interrupts & LPAIF_IRQ_XRUN(chan)) { - rv = regmap_write(drvdata->lpaif_map, - LPAIF_IRQCLEAR_REG(v, LPAIF_IRQ_PORT_HOST), - LPAIF_IRQ_XRUN(chan)); + rv = regmap_write(drvdata->lpaif_map, reg, + LPAIF_IRQ_XRUN(chan) | val); if (rv) { dev_err(soc_runtime->dev, "error writing to irqclear reg: %d\n", rv); @@ -521,9 +674,8 @@ static irqreturn_t lpass_dma_interrupt_handler( }
if (interrupts & LPAIF_IRQ_ERR(chan)) { - rv = regmap_write(drvdata->lpaif_map, - LPAIF_IRQCLEAR_REG(v, LPAIF_IRQ_PORT_HOST), - LPAIF_IRQ_ERR(chan)); + rv = regmap_write(drvdata->lpaif_map, reg, + LPAIF_IRQ_ERR(chan) | val); if (rv) { dev_err(soc_runtime->dev, "error writing to irqclear reg: %d\n", rv); @@ -534,6 +686,16 @@ static irqreturn_t lpass_dma_interrupt_handler( ret = IRQ_HANDLED; }
+ if (interrupts & val) { + rv = regmap_write(drvdata->lpaif_map, reg, val); + if (rv) { + dev_err(soc_runtime->dev, + "error writing to irqclear reg: %d\n", rv); + return IRQ_NONE; + } + ret = IRQ_HANDLED; + } + return ret; }
@@ -543,9 +705,11 @@ static irqreturn_t lpass_platform_lpaif_irq(int irq, void *data) struct lpass_variant *v = drvdata->variant; unsigned int irqs; int rv, chan; + unsigned int val; + unsigned int dai_id = v->dai_driver->id;
rv = regmap_read(drvdata->lpaif_map, - LPAIF_IRQSTAT_REG(v, LPAIF_IRQ_PORT_HOST), &irqs); + IRQ_STAT(v, LPAIF_IRQ_PORT_HOST), &irqs); if (rv) { pr_err("error reading from irqstat reg: %d\n", rv); return IRQ_NONE; @@ -553,7 +717,22 @@ static irqreturn_t lpass_platform_lpaif_irq(int irq, void *data)
/* Handle per channel interrupts */ for (chan = 0; chan < LPASS_MAX_DMA_CHANNELS; chan++) { - if (irqs & LPAIF_IRQ_ALL(chan) && drvdata->substream[chan]) { + switch (dai_id) { + case HDMI: + val = LPAIF_IRQ_HDMI_REQ_ON_PRELOAD(chan) | + LPAIF_IRQ_HDMI_METADONE | + LPAIF_IRQ_HDMI_SDEEP_AUD_DIS(chan); + break; + case MI2S_PRIMARY: + case MI2S_SECONDARY: + val = 0; + break; + default: + pr_err("%s: invalid %d interface\n", __func__, dai_id); + return -EINVAL; + } + if (irqs & (LPAIF_IRQ_ALL(chan) | val) + && drvdata->substream[chan]) { rv = lpass_dma_interrupt_handler( drvdata->substream[chan], drvdata, chan, irqs); @@ -644,15 +823,14 @@ int asoc_qcom_lpass_platform_register(struct platform_device *pdev)
/* ensure audio hardware is disabled */ ret = regmap_write(drvdata->lpaif_map, - LPAIF_IRQEN_REG(v, LPAIF_IRQ_PORT_HOST), 0); + IRQ_EN(v, LPAIF_IRQ_PORT_HOST), 0); if (ret) { dev_err(&pdev->dev, "error writing to irqen reg: %d\n", ret); return ret; }
ret = devm_request_irq(&pdev->dev, drvdata->lpaif_irq, - lpass_platform_lpaif_irq, IRQF_TRIGGER_RISING, - "lpass-irq-lpaif", drvdata); + lpass_platform_lpaif_irq, 0, pdev->name, drvdata); if (ret) { dev_err(&pdev->dev, "irq request failed: %d\n", ret); return ret; diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h index 51c9991..3c2a64a 100644 --- a/sound/soc/qcom/lpass.h +++ b/sound/soc/qcom/lpass.h @@ -12,10 +12,14 @@ #include <linux/compiler.h> #include <linux/platform_device.h> #include <linux/regmap.h> +#include <dt-bindings/sound/sc7180-lpass.h>
#define LPASS_AHBIX_CLOCK_FREQUENCY 131072000 #define LPASS_MAX_MI2S_PORTS (8) #define LPASS_MAX_DMA_CHANNELS (8) +#define LPASS_MAX_HDMI_DMA_CHANNELS (4) + +
struct lpaif_i2sctl { struct regmap_field *loopback; @@ -32,6 +36,9 @@ struct lpaif_i2sctl {
struct lpaif_dmactl { struct regmap_field *bursten; + struct regmap_field *burst8; + struct regmap_field *burst16; + struct regmap_field *dynburst; struct regmap_field *wpscnt; struct regmap_field *intf; struct regmap_field *fifowm; @@ -81,6 +88,17 @@ struct lpass_data { struct lpaif_i2sctl *i2sctl; struct lpaif_dmactl *rd_dmactl; struct lpaif_dmactl *wr_dmactl; + + /* Regmap fields of HDMI_CTRL registers*/ + struct lpass_hdmi_tx_ctl *tx_ctl; + struct lpass_hdmitx_legacy *legacy; + struct lpass_vbit_ctrl *vbit_ctl; + struct lpass_hdmi_tx_ch_msb *ch_msb[LPASS_MAX_HDMI_DMA_CHANNELS]; + struct lpass_hdmi_tx_ch_lsb *ch_lsb[LPASS_MAX_HDMI_DMA_CHANNELS]; + struct lpass_hdmi_tx_parity *tx_parity; + struct lpass_hdmitx_dmactl *hdmi_tx_dmactl[LPASS_MAX_HDMI_DMA_CHANNELS]; + struct lpass_dp_metadata_ctl *meta_ctl; + struct lpass_sstream_ctl *sstream_ctl; };
/* Vairant data per each SOC */ @@ -98,6 +116,19 @@ struct lpass_variant { u32 wrdma_reg_stride; u32 wrdma_channels;
+ /* HDMI specific controls */ + u32 hdmi_tx_ctl_addr; + u32 hdmi_legacy_addr; + u32 hdmi_vbit_addr; + u32 hdmi_ch_lsb_addr; + u32 hdmi_ch_msb_addr; + u32 ch_stride; + u32 hdmi_parity_addr; + u32 hdmi_dmactl_addr; + u32 hdmi_dma_stride; + u32 hdmi_DP_addr; + u32 hdmi_sstream_addr; + /* I2SCTL Register fields */ struct reg_field loopback; struct reg_field spken; @@ -111,6 +142,9 @@ struct lpass_variant {
/* RD_DMA Register fields */ struct reg_field rdma_bursten; + struct reg_field rdma_burst8; + struct reg_field rdma_burst16; + struct reg_field rdma_dynburst; struct reg_field rdma_wpscnt; struct reg_field rdma_intf; struct reg_field rdma_fifowm; @@ -125,6 +159,52 @@ struct lpass_variant { struct reg_field wrdma_enable; struct reg_field wrdma_dyncclk;
+ /* HDMI SSTREAM CTRL fields */ + struct reg_field sstream_en; + struct reg_field dma_sel; + struct reg_field auto_bbit_en; + struct reg_field layout; + struct reg_field layout_sp; + struct reg_field set_sp_on_en; + struct reg_field dp_audio; + struct reg_field dp_staffing_en; + struct reg_field dp_sp_b_hw_en; + + /* HDMI DP METADATA CTL fields */ + struct reg_field mute; + struct reg_field as_sdp_cc; + struct reg_field as_sdp_ct; + struct reg_field aif_db4; + struct reg_field frequency; + struct reg_field mst_index; + struct reg_field dptx_index; + + /* HDMI TX CTRL fields */ + struct reg_field soft_reset; + struct reg_field force_reset; + + /* HDMI TX DMA CTRL */ + struct reg_field use_hw_chs; + struct reg_field use_hw_usr; + struct reg_field hw_chs_sel; + struct reg_field hw_usr_sel; + + /* HDMI VBIT CTRL */ + struct reg_field replace_vbit; + struct reg_field vbit_stream; + + /* HDMI TX LEGACY */ + struct reg_field legacy_en; + + /* HDMI TX PARITY */ + struct reg_field calc_en; + + /* HDMI CH LSB */ + struct reg_field lsb_bits; + + /* HDMI CH MSB */ + struct reg_field msb_bits; + /** * on SOCs like APQ8016 the channel control bits start * at different offset to ipq806x @@ -154,5 +234,7 @@ int asoc_qcom_lpass_cpu_platform_remove(struct platform_device *pdev); int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev); int asoc_qcom_lpass_cpu_dai_probe(struct snd_soc_dai *dai); extern const struct snd_soc_dai_ops asoc_qcom_lpass_cpu_dai_ops; - +extern const struct snd_soc_dai_ops asoc_qcom_lpass_hdmi_dai_ops; +struct regmap_config lpass_hdmi_regmap_config; +extern int lpass_hdmi_init_bitfields(struct device *dev, struct regmap *map); #endif /* __LPASS_H__ */
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Srinivasa Rao Mandadapu