From: V Sujith Kumar Reddy vsujithk@codeaurora.org

Add header defining hdmi dai-id for SC7180 lpass soc in dt bindings.

Signed-off-by: V Sujith Kumar Reddy vsujithk@codeaurora.org Acked-by: Rob Herring robh@kernel.org Signed-off-by: Srinivasa Rao srivasam@codeaurora.org --- include/dt-bindings/sound/sc7180-lpass.h | 1 + 1 file changed, 1 insertion(+)

diff --git a/include/dt-bindings/sound/sc7180-lpass.h b/include/dt-bindings/sound/sc7180-lpass.h index 7d988f6..56ecaaf 100644 --- a/include/dt-bindings/sound/sc7180-lpass.h +++ b/include/dt-bindings/sound/sc7180-lpass.h @@ -4,6 +4,7 @@

#define MI2S_PRIMARY 0 #define MI2S_SECONDARY 1 +#define LPASS_DP_RX 2

#define LPASS_MCLK0 0

From: V Sujith Kumar Reddy vsujithk@codeaurora.org

Update dts property read API call with platform get property by name, as it make code more readable and avoid conflicts when array of properties to be used.

Signed-off-by: V Sujith Kumar Reddy vsujithk@codeaurora.org Reviewed-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org Signed-off-by: Srinivasa Rao srivasam@codeaurora.org --- sound/soc/qcom/lpass-cpu.c | 2 +- sound/soc/qcom/lpass-platform.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c index 0718a0f..12950d2 100644 --- a/sound/soc/qcom/lpass-cpu.c +++ b/sound/soc/qcom/lpass-cpu.c @@ -575,7 +575,7 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev)

of_lpass_cpu_parse_dai_data(dev, drvdata);

- res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "lpass-lpaif");

drvdata->lpaif = devm_ioremap_resource(dev, res); if (IS_ERR((void const __force *)drvdata->lpaif)) { diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c index 7ac2629..e7cf4e5 100644 --- a/sound/soc/qcom/lpass-platform.c +++ b/sound/soc/qcom/lpass-platform.c @@ -621,7 +621,7 @@ int asoc_qcom_lpass_platform_register(struct platform_device *pdev) struct lpass_variant *v = drvdata->variant; int ret;

- drvdata->lpaif_irq = platform_get_irq(pdev, 0); + drvdata->lpaif_irq = platform_get_irq_byname(pdev, "lpass-irq-lpaif"); if (drvdata->lpaif_irq < 0) return -ENODEV;

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: V Sujith Kumar Reddy vsujithk@codeaurora.org Signed-off-by: Srinivasa Rao srivasam@codeaurora.org --- sound/soc/qcom/Kconfig | 5 + sound/soc/qcom/Makefile | 2 + sound/soc/qcom/lpass-apq8016.c | 4 +- sound/soc/qcom/lpass-cpu.c | 51 ++++- sound/soc/qcom/lpass-hdmi.c | 468 +++++++++++++++++++++++++++++++++++++++ sound/soc/qcom/lpass-hdmi.h | 106 +++++++++ sound/soc/qcom/lpass-ipq806x.c | 4 +- sound/soc/qcom/lpass-lpaif-reg.h | 52 ++++- sound/soc/qcom/lpass-platform.c | 391 ++++++++++++++++++++++++++------ sound/soc/qcom/lpass.h | 113 +++++++++- 10 files changed, 1097 insertions(+), 99 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 a7ef626..28e775f 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-apq8016.c b/sound/soc/qcom/lpass-apq8016.c index 5c8ae22..0aedb3a 100644 --- a/sound/soc/qcom/lpass-apq8016.c +++ b/sound/soc/qcom/lpass-apq8016.c @@ -125,7 +125,7 @@ static struct snd_soc_dai_driver apq8016_lpass_cpu_dai_driver[] = { };

static int apq8016_lpass_alloc_dma_channel(struct lpass_data *drvdata, - int direction) + int direction, unsigned int dai_id) { struct lpass_variant *v = drvdata->variant; int chan = 0; @@ -151,7 +151,7 @@ static int apq8016_lpass_alloc_dma_channel(struct lpass_data *drvdata, return chan; }

-static int apq8016_lpass_free_dma_channel(struct lpass_data *drvdata, int chan) +static int apq8016_lpass_free_dma_channel(struct lpass_data *drvdata, int chan, unsigned int dai_id) { clear_bit(chan, &drvdata->dma_ch_bit_map);

diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c index 12950d2..b6d243e 100644 --- a/sound/soc/qcom/lpass-cpu.c +++ b/sound/soc/qcom/lpass-cpu.c @@ -535,13 +535,17 @@ static void of_lpass_cpu_parse_dai_data(struct device *dev, dev_err(dev, "valid dai id not found: %d\n", ret); continue; } - - data->mi2s_playback_sd_mode[id] = - of_lpass_cpu_parse_sd_lines(dev, node, - "qcom,playback-sd-lines"); - data->mi2s_capture_sd_mode[id] = - of_lpass_cpu_parse_sd_lines(dev, node, + if (id == LPASS_DP_RX) { + data->hdmi_port_enable = 1; + dev_err(dev, "HDMI Port is enabled: %d\n", id); + } else { + data->mi2s_playback_sd_mode[id] = + of_lpass_cpu_parse_sd_lines(dev, node, + "qcom,playback-sd-lines"); + data->mi2s_capture_sd_mode[id] = + of_lpass_cpu_parse_sd_lines(dev, node, "qcom,capture-sd-lines"); + } } }

@@ -596,6 +600,27 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev) return PTR_ERR(drvdata->lpaif_map); }

+ if (drvdata->hdmi_port_enable) { + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "lpass-hdmiif"); + + drvdata->hdmiif = devm_ioremap_resource(dev, res); + if (IS_ERR((void const __force *)drvdata->hdmiif)) { + dev_err(dev, "error mapping reg resource: %ld\n", + PTR_ERR((void const __force *)drvdata->hdmiif)); + return PTR_ERR((void const __force *)drvdata->hdmiif); + } + + lpass_hdmi_regmap_config.max_register = LPAIF_HDMI_RDMAPER_REG(variant, + variant->hdmi_rdma_channels); + drvdata->hdmiif_map = devm_regmap_init_mmio(dev, drvdata->hdmiif, + &lpass_hdmi_regmap_config); + if (IS_ERR(drvdata->hdmiif_map)) { + dev_err(dev, "error initializing regmap: %ld\n", + PTR_ERR(drvdata->hdmiif_map)); + return PTR_ERR(drvdata->hdmiif_map); + } + } + if (variant->init) { ret = variant->init(pdev); if (ret) { @@ -606,6 +631,9 @@ 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 == LPASS_DP_RX) + 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])) { @@ -636,11 +664,16 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev) /* Initialize bitfields for dai I2SCTL register */ ret = lpass_cpu_init_i2sctl_bitfields(dev, drvdata->i2sctl, drvdata->lpaif_map); - if (ret) { + if (ret) dev_err(dev, "error init i2sctl field: %d\n", ret); - return ret; - }

+ if (drvdata->hdmi_port_enable) { + ret = lpass_hdmi_init_bitfields(dev, drvdata->hdmiif_map); + if (ret) { + dev_err(dev, "%s error hdmi init failed\n", __func__); + return ret; + } + } 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..ee737f0 --- /dev/null +++ b/sound/soc/qcom/lpass-hdmi.c @@ -0,0 +1,468 @@ +// 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/kernel.h> +#include <linux/module.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" + +#define QCOM_REGMAP_FIELD_ALLOC(d, m, f, mf) \ + do { \ + mf = devm_regmap_field_alloc(d, m, f); \ + if (IS_ERR(mf)) \ + return -EINVAL; \ + } while (0) + + +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 regmap_field *legacy_en; + struct lpass_vbit_ctrl *vbit_ctl; + struct regmap_field *tx_parity; + struct lpass_dp_metadata_ctl *meta_ctl; + struct lpass_sstream_ctl *sstream_ctl; + struct regmap_field *ch_msb; + struct regmap_field *ch_lsb; + struct lpass_hdmitx_dmactl *tx_dmactl; + int rval; + + tx_ctl = devm_kzalloc(dev, sizeof(*tx_ctl), GFP_KERNEL); + if (!tx_ctl) + return -ENOMEM; + + QCOM_REGMAP_FIELD_ALLOC(dev, map, v->soft_reset, tx_ctl->soft_reset); + QCOM_REGMAP_FIELD_ALLOC(dev, map, v->force_reset, tx_ctl->force_reset); + drvdata->tx_ctl = tx_ctl; + + QCOM_REGMAP_FIELD_ALLOC(dev, map, v->legacy_en, legacy_en); + drvdata->hdmitx_legacy_en = legacy_en; + + vbit_ctl = devm_kzalloc(dev, sizeof(*vbit_ctl), GFP_KERNEL); + if (!vbit_ctl) + return -ENOMEM; + + QCOM_REGMAP_FIELD_ALLOC(dev, map, v->replace_vbit, vbit_ctl->replace_vbit); + QCOM_REGMAP_FIELD_ALLOC(dev, map, v->vbit_stream, vbit_ctl->vbit_stream); + drvdata->vbit_ctl = vbit_ctl; + + + QCOM_REGMAP_FIELD_ALLOC(dev, map, v->calc_en, tx_parity); + drvdata->hdmitx_parity_calc_en = tx_parity; + + meta_ctl = devm_kzalloc(dev, sizeof(*meta_ctl), GFP_KERNEL); + if (!meta_ctl) + return -ENOMEM; + + rval = devm_regmap_field_bulk_alloc(dev, map, &meta_ctl->mute, &v->mute, 7); + if (rval) + return rval; + drvdata->meta_ctl = meta_ctl; + + sstream_ctl = devm_kzalloc(dev, sizeof(*sstream_ctl), GFP_KERNEL); + if (!sstream_ctl) + return -ENOMEM; + + rval = devm_regmap_field_bulk_alloc(dev, map, &sstream_ctl->sstream_en, &v->sstream_en, 9); + if (rval) + return rval; + + drvdata->sstream_ctl = sstream_ctl; + + for (i = 0; i < LPASS_MAX_HDMI_DMA_CHANNELS; i++) { + QCOM_REGMAP_FIELD_ALLOC(dev, map, v->msb_bits, ch_msb); + drvdata->hdmitx_ch_msb[i] = ch_msb; + + QCOM_REGMAP_FIELD_ALLOC(dev, map, v->lsb_bits, ch_lsb); + drvdata->hdmitx_ch_lsb[i] = ch_lsb; + + tx_dmactl = devm_kzalloc(dev, sizeof(*tx_dmactl), GFP_KERNEL); + if (!tx_dmactl) + return -ENOMEM; + + QCOM_REGMAP_FIELD_ALLOC(dev, map, v->use_hw_chs, tx_dmactl->use_hw_chs); + QCOM_REGMAP_FIELD_ALLOC(dev, map, v->use_hw_usr, tx_dmactl->use_hw_usr); + QCOM_REGMAP_FIELD_ALLOC(dev, map, v->hw_chs_sel, tx_dmactl->hw_chs_sel); + QCOM_REGMAP_FIELD_ALLOC(dev, map, v->hw_usr_sel, tx_dmactl->hw_usr_sel); + drvdata->hdmi_tx_dmactl[i] = tx_dmactl; + } + 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; + struct lpass_dp_metadata_ctl *meta_ctl = drvdata->meta_ctl; + struct lpass_sstream_ctl *sstream_ctl = drvdata->sstream_ctl; + + 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) + return ret; + + ret = regmap_field_write(drvdata->tx_ctl->soft_reset, LPASS_TX_CTL_CLEAR); + if (ret) + return ret; + + ret = regmap_field_write(drvdata->hdmitx_legacy_en, LPASS_HDMITX_LEGACY_DISABLE); + if (ret) + return ret; + + ret = regmap_field_write(drvdata->hdmitx_parity_calc_en, HDMITX_PARITY_CALC_EN); + if (ret) + return ret; + + ret = regmap_field_write(drvdata->vbit_ctl->replace_vbit, REPLACE_VBIT); + if (ret) + return ret; + + ret = regmap_field_write(drvdata->vbit_ctl->vbit_stream, LINEAR_PCM_DATA); + if (ret) + return ret; + + ret = regmap_field_write(drvdata->hdmitx_ch_msb[0], ch_sts_buf1); + if (ret) + return ret; + + ret = regmap_field_write(drvdata->hdmitx_ch_lsb[0], ch_sts_buf0); + if (ret) + return ret; + + ret = regmap_field_write(drvdata->hdmi_tx_dmactl[0]->use_hw_chs, HW_MODE); + if (ret) + return ret; + + ret = regmap_field_write(drvdata->hdmi_tx_dmactl[0]->hw_chs_sel, SW_MODE); + if (ret) + return ret; + + ret = regmap_field_write(drvdata->hdmi_tx_dmactl[0]->use_hw_usr, HW_MODE); + if (ret) + return ret; + + ret = regmap_field_write(drvdata->hdmi_tx_dmactl[0]->hw_usr_sel, SW_MODE); + if (ret) + return ret; + + ret = regmap_field_write(meta_ctl->mute, LPASS_MUTE_ENABLE); + if (ret) + return ret; + + ret = regmap_field_write(meta_ctl->as_sdp_cc, channels - 1); + if (ret) + return ret; + + ret = regmap_field_write(meta_ctl->as_sdp_ct, LPASS_META_DEFAULT_VAL); + if (ret) + return ret; + + ret = regmap_field_write(meta_ctl->aif_db4, LPASS_META_DEFAULT_VAL); + if (ret) + return ret; + + ret = regmap_field_write(meta_ctl->frequency, sampling_freq); + if (ret) + return ret; + + ret = regmap_field_write(meta_ctl->mst_index, LPASS_META_DEFAULT_VAL); + if (ret) + return ret; + + ret = regmap_field_write(meta_ctl->dptx_index, LPASS_META_DEFAULT_VAL); + if (ret) + return ret; + + ret = regmap_field_write(sstream_ctl->sstream_en, LPASS_SSTREAM_DISABLE); + if (ret) + return ret; + + ret = regmap_field_write(sstream_ctl->dma_sel, ch); + if (ret) + return ret; + + ret = regmap_field_write(sstream_ctl->auto_bbit_en, LPASS_SSTREAM_DEFAULT_ENABLE); + if (ret) + return ret; + + ret = regmap_field_write(sstream_ctl->layout, LPASS_SSTREAM_DEFAULT_DISABLE); + if (ret) + return ret; + + ret = regmap_field_write(sstream_ctl->layout_sp, LPASS_LAYOUT_SP_DEFAULT); + if (ret) + return ret; + + ret = regmap_field_write(sstream_ctl->dp_audio, LPASS_SSTREAM_DEFAULT_ENABLE); + if (ret) + return ret; + + ret = regmap_field_write(sstream_ctl->set_sp_on_en, LPASS_SSTREAM_DEFAULT_ENABLE); + if (ret) + return ret; + + ret = regmap_field_write(sstream_ctl->dp_sp_b_hw_en, LPASS_SSTREAM_DEFAULT_ENABLE); + if (ret) + return ret; + + ret = regmap_field_write(sstream_ctl->dp_staffing_en, LPASS_SSTREAM_DEFAULT_ENABLE); + if (ret) + return ret; + + return ret; +} + +static int lpass_hdmi_daiops_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + int ret; + struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai); + + ret = regmap_field_write(drvdata->sstream_ctl->sstream_en, LPASS_SSTREAM_ENABLE); + if (ret) + return ret; + + ret = regmap_field_write(drvdata->meta_ctl->mute, LPASS_MUTE_DISABLE); + if (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); + struct lpass_dp_metadata_ctl *meta_ctl = drvdata->meta_ctl; + struct lpass_sstream_ctl *sstream_ctl = drvdata->sstream_ctl; + 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(sstream_ctl->sstream_en, LPASS_SSTREAM_ENABLE); + if (ret) + return ret; + + ret = regmap_field_write(meta_ctl->mute, LPASS_MUTE_DISABLE); + if (ret) + return ret; + + break; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + ret = regmap_field_write(sstream_ctl->sstream_en, LPASS_SSTREAM_DISABLE); + if (ret) + return ret; + + ret = regmap_field_write(meta_ctl->mute, LPASS_MUTE_ENABLE); + if (ret) + return ret; + + ret = regmap_field_write(sstream_ctl->dp_audio, 0); + if (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; + 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->hdmi_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; + } + + 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->hdmi_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) +{ + struct lpass_data *drvdata = dev_get_drvdata(dev); + struct lpass_variant *v = drvdata->variant; + int i; + + if (reg == LPASS_HDMITX_APP_IRQSTAT_REG(v)) + return true; + if (reg == LPASS_HDMI_TX_LEGACY_ADDR(v)) + return true; + + for (i = 0; i < v->rdma_channels; ++i) { + if (reg == LPAIF_HDMI_RDMACURR_REG(v, i)) + return true; + } + return false; +} + +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..93f0057 --- /dev/null +++ b/sound/soc/qcom/lpass-hdmi.h @@ -0,0 +1,106 @@ +/* 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/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_FREQ_BIT_SHIFT 24 +#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_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_DATA_FORMAT_MASK GENMASK(1, 1) +#define LPASS_WORDLENGTH_MASK GENMASK(3, 0) +#define LPASS_FREQ_BIT_MASK GENMASK(27, 24) + +#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_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) + +#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)) + +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; +}; + +extern int lpass_hdmi_init_bitfields(struct device *dev, struct regmap *map); +extern struct regmap_config lpass_hdmi_regmap_config; +extern const struct snd_soc_dai_ops asoc_qcom_lpass_hdmi_dai_ops; + + + +#endif /* __LPASS_HDMI_H__ */ diff --git a/sound/soc/qcom/lpass-ipq806x.c b/sound/soc/qcom/lpass-ipq806x.c index 72f09b3..832a916 100644 --- a/sound/soc/qcom/lpass-ipq806x.c +++ b/sound/soc/qcom/lpass-ipq806x.c @@ -96,7 +96,7 @@ static int ipq806x_lpass_exit(struct platform_device *pdev) return 0; }

-static int ipq806x_lpass_alloc_dma_channel(struct lpass_data *drvdata, int dir) +static int ipq806x_lpass_alloc_dma_channel(struct lpass_data *drvdata, int dir, unsigned int dai_id) { if (dir == SNDRV_PCM_STREAM_PLAYBACK) return IPQ806X_LPAIF_RDMA_CHAN_MI2S; @@ -104,7 +104,7 @@ static int ipq806x_lpass_alloc_dma_channel(struct lpass_data *drvdata, int dir) return -EINVAL; }

-static int ipq806x_lpass_free_dma_channel(struct lpass_data *drvdata, int chan) +static int ipq806x_lpass_free_dma_channel(struct lpass_data *drvdata, int chan, unsigned int dai_id) { return 0; } diff --git a/sound/soc/qcom/lpass-lpaif-reg.h b/sound/soc/qcom/lpass-lpaif-reg.h index 5258e60..42aebd4 100644 --- a/sound/soc/qcom/lpass-lpaif-reg.h +++ b/sound/soc/qcom/lpass-lpaif-reg.h @@ -9,7 +9,8 @@ /* LPAIF I2S */

#define LPAIF_I2SCTL_REG_ADDR(v, addr, port) \ - (v->i2sctrl_reg_base + (addr) + v->i2sctrl_reg_stride * (port)) + (v->i2sctrl_reg_base + (addr) + \ + v->i2sctrl_reg_stride * (port))

#define LPAIF_I2SCTL_REG(v, port) LPAIF_I2SCTL_REG_ADDR(v, 0x0, (port))

@@ -70,6 +71,14 @@ #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->hdmi_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 LPAIF_IRQ_BITSTRIDE 3

#define LPAIF_IRQ_PER(chan) (1 << (LPAIF_IRQ_BITSTRIDE * (chan))) @@ -77,8 +86,22 @@ #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->hdmi_rdma_reg_base + (addr) + v->hdmi_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)) @@ -103,17 +126,22 @@ #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_DMA_REG(v, chan, dir, reg) \ - (dir == SNDRV_PCM_STREAM_PLAYBACK) ? \ - LPAIF_RDMA##reg##_REG(v, chan) : \ - 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) -#define LPAIF_DMABUFF_REG(v, chan, dir) __LPAIF_DMA_REG(v, chan, dir, BUFF) -#define LPAIF_DMACURR_REG(v, chan, dir) __LPAIF_DMA_REG(v, chan, dir, CURR) -#define LPAIF_DMAPER_REG(v, chan, dir) __LPAIF_DMA_REG(v, chan, dir, PER) -#define LPAIF_DMAPERCNT_REG(v, chan, dir) __LPAIF_DMA_REG(v, chan, dir, PERCNT) +#define LPAIF_INTFDMA_REG(v, chan, reg, dai_id) \ + ((v->dai_driver[dai_id].id == LPASS_DP_RX) ? \ + LPAIF_HDMI_RDMA##reg##_REG(v, chan) : \ + LPAIF_RDMA##reg##_REG(v, chan)) + +#define __LPAIF_DMA_REG(v, chan, dir, reg, dai_id) \ + ((dir == SNDRV_PCM_STREAM_PLAYBACK) ? \ + (LPAIF_INTFDMA_REG(v, chan, reg, dai_id)) : \ + LPAIF_WRDMA##reg##_REG(v, chan)) + +#define LPAIF_DMACTL_REG(v, chan, dir, dai_id) __LPAIF_DMA_REG(v, chan, dir, CTL, dai_id) +#define LPAIF_DMABASE_REG(v, chan, dir, dai_id) __LPAIF_DMA_REG(v, chan, dir, BASE, dai_id) +#define LPAIF_DMABUFF_REG(v, chan, dir, dai_id) __LPAIF_DMA_REG(v, chan, dir, BUFF, dai_id) +#define LPAIF_DMACURR_REG(v, chan, dir, dai_id) __LPAIF_DMA_REG(v, chan, dir, CURR, dai_id) +#define LPAIF_DMAPER_REG(v, chan, dir, dai_id) __LPAIF_DMA_REG(v, chan, dir, PER, dai_id) +#define LPAIF_DMAPERCNT_REG(v, chan, dir, dai_id) __LPAIF_DMA_REG(v, chan, dir, PERCNT, dai_id)

#define LPAIF_DMACTL_BURSTEN_SINGLE 0 #define LPAIF_DMACTL_BURSTEN_INCR4 1 diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c index db0d959..a5ab5f1 100644 --- a/sound/soc/qcom/lpass-platform.c +++ b/sound/soc/qcom/lpass-platform.c @@ -80,6 +80,23 @@ static int lpass_platform_alloc_dmactl_fields(struct device *dev, &v->wrdma_intf, 6); }

+static int lpass_platform_alloc_hdmidmactl_fields(struct device *dev, + struct regmap *map) +{ + struct lpass_data *drvdata = dev_get_drvdata(dev); + struct lpass_variant *v = drvdata->variant; + struct lpaif_dmactl *rd_dmactl; + + rd_dmactl = devm_kzalloc(dev, sizeof(struct lpaif_dmactl), GFP_KERNEL); + if (rd_dmactl == NULL) + return -ENOMEM; + + drvdata->hdmi_rd_dmactl = rd_dmactl; + + return devm_regmap_field_bulk_alloc(dev, map, &rd_dmactl->bursten, + &v->hdmi_rdma_bursten, 8); +} + static int lpass_platform_pcmops_open(struct snd_soc_component *component, struct snd_pcm_substream *substream) { @@ -90,6 +107,8 @@ static int lpass_platform_pcmops_open(struct snd_soc_component *component, struct lpass_variant *v = drvdata->variant; int ret, dma_ch, dir = substream->stream; struct lpass_pcm_data *data; + struct regmap *map; + unsigned int dai_id = cpu_dai->driver->id;

data = kzalloc(sizeof(*data), GFP_KERNEL); if (!data) @@ -99,25 +118,28 @@ static int lpass_platform_pcmops_open(struct snd_soc_component *component, runtime->private_data = data;

if (v->alloc_dma_channel) - dma_ch = v->alloc_dma_channel(drvdata, dir); + dma_ch = v->alloc_dma_channel(drvdata, dir, dai_id); else dma_ch = 0;

if (dma_ch < 0) return dma_ch;

- drvdata->substream[dma_ch] = substream; - - ret = regmap_write(drvdata->lpaif_map, - LPAIF_DMACTL_REG(v, dma_ch, dir), 0); + if (cpu_dai->driver->id == LPASS_DP_RX) { + map = drvdata->hdmiif_map; + drvdata->hdmi_substream[dma_ch] = substream; + } else { + map = drvdata->lpaif_map; + drvdata->substream[dma_ch] = substream; + } + data->dma_ch = dma_ch; + ret = regmap_write(map, + LPAIF_DMACTL_REG(v, dma_ch, dir, data->i2s_port), 0); if (ret) { dev_err(soc_runtime->dev, "error writing to rdmactl reg: %d\n", ret); return ret; } - - data->dma_ch = dma_ch; - snd_soc_set_runtime_hwparams(substream, &lpass_platform_pcm_hardware);

runtime->dma_bytes = lpass_platform_pcm_hardware.buffer_bytes_max; @@ -139,14 +161,20 @@ static int lpass_platform_pcmops_close(struct snd_soc_component *component, struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; + 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 lpass_variant *v = drvdata->variant; struct lpass_pcm_data *data; + unsigned int dai_id = cpu_dai->driver->id;

data = runtime->private_data; - drvdata->substream[data->dma_ch] = NULL; + if (dai_id == LPASS_DP_RX) + drvdata->hdmi_substream[data->dma_ch] = NULL; + else + drvdata->substream[data->dma_ch] = NULL; if (v->free_dma_channel) - v->free_dma_channel(drvdata, data->dma_ch); + v->free_dma_channel(drvdata, data->dma_ch, dai_id);

kfree(data); return 0; @@ -157,6 +185,7 @@ 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; @@ -168,10 +197,15 @@ static int lpass_platform_pcmops_hw_params(struct snd_soc_component *component, int id, dir = substream->stream; int bitwidth; int ret, 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; id = pcm_data->dma_ch; + if (dai_id == LPASS_DP_RX) + dmactl = drvdata->hdmi_rd_dmactl; + else + dmactl = drvdata->rd_dmactl; + } else { dmactl = drvdata->wr_dmactl; id = pcm_data->dma_ch - v->wrdma_channel_start; @@ -190,18 +224,48 @@ 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 LPASS_DP_RX: + 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) { @@ -232,16 +296,24 @@ 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 == LPASS_DP_RX ? + LPAIF_DMACTL_WPSCNT_ONE : + LPAIF_DMACTL_WPSCNT_TWO); break; case 4: - regval = LPAIF_DMACTL_WPSCNT_FOUR; + regval = (dai_id == LPASS_DP_RX ? + LPAIF_DMACTL_WPSCNT_TWO : + LPAIF_DMACTL_WPSCNT_FOUR); break; case 6: - regval = LPAIF_DMACTL_WPSCNT_SIX; + regval = (dai_id == LPASS_DP_RX ? + LPAIF_DMACTL_WPSCNT_THREE : + LPAIF_DMACTL_WPSCNT_SIX); break; case 8: - regval = LPAIF_DMACTL_WPSCNT_EIGHT; + regval = (dai_id == LPASS_DP_RX ? + LPAIF_DMACTL_WPSCNT_FOUR : + LPAIF_DMACTL_WPSCNT_EIGHT); break; default: dev_err(soc_runtime->dev, @@ -251,7 +323,8 @@ 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; } @@ -270,15 +343,23 @@ static int lpass_platform_pcmops_hw_free(struct snd_soc_component *component, struct snd_pcm_substream *substream) { 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; struct lpass_variant *v = drvdata->variant; unsigned int reg; int ret; + struct regmap *map; + unsigned int dai_id = cpu_dai->driver->id; + + if (dai_id == LPASS_DP_RX) + map = drvdata->hdmiif_map; + else + map = drvdata->lpaif_map;

- reg = LPAIF_DMACTL_REG(v, pcm_data->dma_ch, substream->stream); - ret = regmap_write(drvdata->lpaif_map, reg, 0); + reg = LPAIF_DMACTL_REG(v, pcm_data->dma_ch, substream->stream, dai_id); + ret = regmap_write(map, reg, 0); if (ret) dev_err(soc_runtime->dev, "error writing to rdmactl reg: %d\n", ret); @@ -291,33 +372,44 @@ static int lpass_platform_pcmops_prepare(struct snd_soc_component *component, { struct snd_pcm_runtime *runtime = substream->runtime; 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; struct lpass_variant *v = drvdata->variant; struct lpaif_dmactl *dmactl; + struct regmap *map; int ret, id, ch, dir = substream->stream; + unsigned int dai_id = cpu_dai->driver->id; +

ch = pcm_data->dma_ch; if (dir == SNDRV_PCM_STREAM_PLAYBACK) { - dmactl = drvdata->rd_dmactl; + if (dai_id == LPASS_DP_RX) { + dmactl = drvdata->hdmi_rd_dmactl; + map = drvdata->hdmiif_map; + } else { + dmactl = drvdata->rd_dmactl; + map = drvdata->lpaif_map; + } + id = pcm_data->dma_ch; } else { dmactl = drvdata->wr_dmactl; id = pcm_data->dma_ch - v->wrdma_channel_start; + map = drvdata->lpaif_map; }

- ret = regmap_write(drvdata->lpaif_map, - LPAIF_DMABASE_REG(v, ch, dir), - runtime->dma_addr); + ret = regmap_write(map, LPAIF_DMABASE_REG(v, ch, dir, dai_id), + runtime->dma_addr); if (ret) { dev_err(soc_runtime->dev, "error writing to rdmabase reg: %d\n", ret); return ret; }

- ret = regmap_write(drvdata->lpaif_map, - LPAIF_DMABUFF_REG(v, ch, dir), + ret = regmap_write(map, + LPAIF_DMABUFF_REG(v, ch, dir, dai_id), (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1); if (ret) { dev_err(soc_runtime->dev, "error writing to rdmabuff reg: %d\n", @@ -325,8 +417,8 @@ static int lpass_platform_pcmops_prepare(struct snd_soc_component *component, return ret; }

- ret = regmap_write(drvdata->lpaif_map, - LPAIF_DMAPER_REG(v, ch, dir), + ret = regmap_write(map, + LPAIF_DMAPER_REG(v, ch, dir, dai_id), (snd_pcm_lib_period_bytes(substream) >> 2) - 1); if (ret) { dev_err(soc_runtime->dev, "error writing to rdmaper reg: %d\n", @@ -349,18 +441,26 @@ 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; struct lpass_variant *v = drvdata->variant; struct lpaif_dmactl *dmactl; + struct regmap *map; 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) { - dmactl = drvdata->rd_dmactl; id = pcm_data->dma_ch; + if (dai_id == LPASS_DP_RX) + dmactl = drvdata->hdmi_rd_dmactl; + else + dmactl = drvdata->rd_dmactl; } else { dmactl = drvdata->wr_dmactl; id = pcm_data->dma_ch - v->wrdma_channel_start; @@ -370,31 +470,63 @@ 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 LPASS_DP_RX: + 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; + } + map = drvdata->hdmiif_map; + 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: + map = drvdata->lpaif_map; + 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(map, reg_irqclr, val_irqclr); if (ret) { - dev_err(soc_runtime->dev, - "error writing to irqen reg: %d\n", ret); + dev_err(soc_runtime->dev, "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(map, reg_irqen, val_mask, val_irqen); if (ret) { - dev_err(soc_runtime->dev, - "error writing to rdmactl reg: %d\n", ret); + dev_err(soc_runtime->dev, "error writing to irqen reg: %d\n", ret); return ret; } break; @@ -408,10 +540,38 @@ 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 LPASS_DP_RX: + 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; + } + map = drvdata->hdmiif_map; + 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: + map = drvdata->lpaif_map; + 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); + ret = regmap_update_bits(map, + reg_irqen, + val_mask, val_irqen); if (ret) { dev_err(soc_runtime->dev, "error writing to irqen reg: %d\n", ret); @@ -428,25 +588,33 @@ static snd_pcm_uframes_t lpass_platform_pcmops_pointer( struct snd_pcm_substream *substream) { 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; struct lpass_variant *v = drvdata->variant; unsigned int base_addr, curr_addr; int ret, ch, dir = substream->stream; + struct regmap *map; + unsigned int dai_id = cpu_dai->driver->id; + + if (dai_id == LPASS_DP_RX) + map = drvdata->hdmiif_map; + else + map = drvdata->lpaif_map;

ch = pcm_data->dma_ch;

- ret = regmap_read(drvdata->lpaif_map, - LPAIF_DMABASE_REG(v, ch, dir), &base_addr); + ret = regmap_read(map, + LPAIF_DMABASE_REG(v, ch, dir, dai_id), &base_addr); if (ret) { dev_err(soc_runtime->dev, "error reading from rdmabase reg: %d\n", ret); return ret; }

- ret = regmap_read(drvdata->lpaif_map, - LPAIF_DMACURR_REG(v, ch, dir), &curr_addr); + ret = regmap_read(map, + LPAIF_DMACURR_REG(v, ch, dir, dai_id), &curr_addr); if (ret) { dev_err(soc_runtime->dev, "error reading from rdmacurr reg: %d\n", ret); @@ -472,14 +640,36 @@ 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; + struct regmap *map; + unsigned int dai_id = cpu_dai->driver->id; + + switch (dai_id) { + case LPASS_DP_RX: + map = drvdata->hdmiif_map; + 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: + map = drvdata->lpaif_map; + 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; + } if (interrupts & LPAIF_IRQ_PER(chan)) { - rv = regmap_write(drvdata->lpaif_map, - LPAIF_IRQCLEAR_REG(v, LPAIF_IRQ_PORT_HOST), - LPAIF_IRQ_PER(chan)); + + rv = regmap_write(map, reg, + LPAIF_IRQ_PER(chan) | val); if (rv) { dev_err(soc_runtime->dev, "error writing to irqclear reg: %d\n", rv); @@ -490,9 +680,8 @@ 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(map, reg, + LPAIF_IRQ_XRUN(chan) | val); if (rv) { dev_err(soc_runtime->dev, "error writing to irqclear reg: %d\n", rv); @@ -504,9 +693,8 @@ 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(map, reg, + LPAIF_IRQ_ERR(chan) | val); if (rv) { dev_err(soc_runtime->dev, "error writing to irqclear reg: %d\n", rv); @@ -517,6 +705,16 @@ static irqreturn_t lpass_dma_interrupt_handler( ret = IRQ_HANDLED; }

+ if (interrupts & val) { + rv = regmap_write(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; }

@@ -536,7 +734,8 @@ 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]) { + if (irqs & LPAIF_IRQ_ALL(chan) + && drvdata->substream[chan]) { rv = lpass_dma_interrupt_handler( drvdata->substream[chan], drvdata, chan, irqs); @@ -548,6 +747,38 @@ static irqreturn_t lpass_platform_lpaif_irq(int irq, void *data) return IRQ_HANDLED; }

+static irqreturn_t lpass_platform_hdmiif_irq(int irq, void *data) +{ + struct lpass_data *drvdata = data; + struct lpass_variant *v = drvdata->variant; + unsigned int irqs; + int rv, chan; + + rv = regmap_read(drvdata->hdmiif_map, + LPASS_HDMITX_APP_IRQSTAT_REG(v), &irqs); + if (rv) { + pr_err("error reading from irqstat reg: %d\n", rv); + return IRQ_NONE; + } + + /* Handle per channel interrupts */ + for (chan = 0; chan < LPASS_MAX_HDMI_DMA_CHANNELS; chan++) { + if (irqs & (LPAIF_IRQ_ALL(chan) | LPAIF_IRQ_HDMI_REQ_ON_PRELOAD(chan) | + LPAIF_IRQ_HDMI_METADONE | + LPAIF_IRQ_HDMI_SDEEP_AUD_DIS(chan)) + && drvdata->hdmi_substream[chan]) { + rv = lpass_dma_interrupt_handler( + drvdata->hdmi_substream[chan], + drvdata, chan, irqs); + if (rv != IRQ_HANDLED) + return rv; + } + } + + return IRQ_HANDLED; +} + + static int lpass_platform_pcm_new(struct snd_soc_component *component, struct snd_soc_pcm_runtime *soc_runtime) { @@ -649,6 +880,32 @@ int asoc_qcom_lpass_platform_register(struct platform_device *pdev) return ret; }

+ if (drvdata->hdmi_port_enable) { + drvdata->hdmiif_irq = platform_get_irq_byname(pdev, "lpass-irq-hdmi"); + if (drvdata->hdmiif_irq < 0) + return -ENODEV; + + ret = devm_request_irq(&pdev->dev, drvdata->hdmiif_irq, + lpass_platform_hdmiif_irq, 0, "lpass-irq-hdmi", drvdata); + if (ret) { + dev_err(&pdev->dev, "irq hdmi request failed: %d\n", ret); + return ret; + } + ret = regmap_write(drvdata->hdmiif_map, + LPASS_HDMITX_APP_IRQEN_REG(v), 0); + if (ret) { + dev_err(&pdev->dev, "error writing to hdmi irqen reg: %d\n", ret); + return ret; + } + + ret = lpass_platform_alloc_hdmidmactl_fields(&pdev->dev, + drvdata->hdmiif_map); + if (ret) { + dev_err(&pdev->dev, + "error initializing hdmidmactl fields: %d\n", ret); + return ret; + } + } return devm_snd_soc_register_component(&pdev->dev, &lpass_component_driver, NULL, 0); } diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h index 7089d4c..2bbb0b9 100644 --- a/sound/soc/qcom/lpass.h +++ b/sound/soc/qcom/lpass.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0-only */ /* - * Copyright (c) 2010-2011,2013-2015 The Linux Foundation. All rights reserved. + * Copyright (c) 2010-2011,2013-2015,2020 The Linux Foundation. All rights reserved. * * lpass.h - Definitions for the QTi LPASS */ @@ -12,10 +12,15 @@ #include <linux/compiler.h> #include <linux/platform_device.h> #include <linux/regmap.h> +#include <dt-bindings/sound/sc7180-lpass.h> +#include "lpass-hdmi.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; @@ -37,6 +42,9 @@ struct lpaif_dmactl { struct regmap_field *fifowm; struct regmap_field *enable; struct regmap_field *dyncclk; + struct regmap_field *burst8; + struct regmap_field *burst16; + struct regmap_field *dynburst; };

/* Both the CPU DAI and platform drivers will access this data */ @@ -54,24 +62,29 @@ struct lpass_data { /* MI2S SD lines to use for playback/capture */ unsigned int mi2s_playback_sd_mode[LPASS_MAX_MI2S_PORTS]; unsigned int mi2s_capture_sd_mode[LPASS_MAX_MI2S_PORTS]; + int hdmi_port_enable;

/* low-power audio interface (LPAIF) registers */ void __iomem *lpaif; + void __iomem *hdmiif;

/* regmap backed by the low-power audio interface (LPAIF) registers */ struct regmap *lpaif_map; + struct regmap *hdmiif_map;

/* interrupts from the low-power audio interface (LPAIF) */ int lpaif_irq; - + int hdmiif_irq; /* SOC specific variations in the LPASS IP integration */ struct lpass_variant *variant;

/* bit map to keep track of static channel allocations */ unsigned long dma_ch_bit_map; + unsigned long hdmi_dma_ch_bit_map;

/* used it for handling interrupt per dma channel */ struct snd_pcm_substream *substream[LPASS_MAX_DMA_CHANNELS]; + struct snd_pcm_substream *hdmi_substream[LPASS_MAX_HDMI_DMA_CHANNELS];

/* SOC specific clock list */ struct clk_bulk_data *clks; @@ -81,22 +94,36 @@ struct lpass_data { struct lpaif_i2sctl *i2sctl; struct lpaif_dmactl *rd_dmactl; struct lpaif_dmactl *wr_dmactl; + struct lpaif_dmactl *hdmi_rd_dmactl; + /* Regmap fields of HDMI_CTRL registers*/ + struct regmap_field *hdmitx_legacy_en; + struct regmap_field *hdmitx_parity_calc_en; + struct regmap_field *hdmitx_ch_msb[LPASS_MAX_HDMI_DMA_CHANNELS]; + struct regmap_field *hdmitx_ch_lsb[LPASS_MAX_HDMI_DMA_CHANNELS]; + struct lpass_hdmi_tx_ctl *tx_ctl; + struct lpass_vbit_ctrl *vbit_ctl; + 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 */ struct lpass_variant { - u32 i2sctrl_reg_base; - u32 i2sctrl_reg_stride; - u32 i2s_ports; u32 irq_reg_base; u32 irq_reg_stride; u32 irq_ports; u32 rdma_reg_base; u32 rdma_reg_stride; u32 rdma_channels; + u32 hdmi_rdma_reg_base; + u32 hdmi_rdma_reg_stride; + u32 hdmi_rdma_channels; u32 wrdma_reg_base; u32 wrdma_reg_stride; u32 wrdma_channels; + u32 i2sctrl_reg_base; + u32 i2sctrl_reg_stride; + u32 i2s_ports;

/* I2SCTL Register fields */ struct reg_field loopback; @@ -109,6 +136,78 @@ struct lpass_variant { struct reg_field wssrc; struct reg_field bitwidth;

+ u32 hdmi_irq_reg_base; + u32 hdmi_irq_reg_stride; + u32 hdmi_irq_ports; + + /* 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; + + /* 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; + + struct reg_field hdmi_rdma_bursten; + struct reg_field hdmi_rdma_wpscnt; + struct reg_field hdmi_rdma_fifowm; + struct reg_field hdmi_rdma_enable; + struct reg_field hdmi_rdma_dyncclk; + struct reg_field hdmi_rdma_burst8; + struct reg_field hdmi_rdma_burst16; + struct reg_field hdmi_rdma_dynburst; + /* RD_DMA Register fields */ struct reg_field rdma_intf; struct reg_field rdma_bursten; @@ -134,8 +233,8 @@ struct lpass_variant { /* SOC specific initialization like clocks */ int (*init)(struct platform_device *pdev); int (*exit)(struct platform_device *pdev); - int (*alloc_dma_channel)(struct lpass_data *data, int direction); - int (*free_dma_channel)(struct lpass_data *data, int ch); + int (*alloc_dma_channel)(struct lpass_data *data, int direction, unsigned int dai_id); + int (*free_dma_channel)(struct lpass_data *data, int ch, unsigned int dai_id);

/* SOC specific dais */ struct snd_soc_dai_driver *dai_driver;

From: V Sujith Kumar Reddy vsujithk@codeaurora.org

Add support for audio playback over DP in lpass sc7180 platform driver. Update lpass_variant structure for hdmi data configuaration.

Signed-off-by: V Sujith Kumar Reddy vsujithk@codeaurora.org Signed-off-by: Srinivasa Rao srivasam@codeaurora.org --- sound/soc/qcom/lpass-sc7180.c | 116 +++++++++++++++++++++++++++++++++++++----- 1 file changed, 102 insertions(+), 14 deletions(-)

diff --git a/sound/soc/qcom/lpass-sc7180.c b/sound/soc/qcom/lpass-sc7180.c index a8a3d8f..c6292f9e 100644 --- a/sound/soc/qcom/lpass-sc7180.c +++ b/sound/soc/qcom/lpass-sc7180.c @@ -60,38 +60,65 @@ static struct snd_soc_dai_driver sc7180_lpass_cpu_dai_driver[] = { .probe = &asoc_qcom_lpass_cpu_dai_probe, .ops = &asoc_qcom_lpass_cpu_dai_ops, }, + [LPASS_DP_RX] = { + .id = LPASS_DP_RX, + .name = "Hdmi", + .playback = { + .stream_name = "Hdmi Playback", + .formats = SNDRV_PCM_FMTBIT_S24, + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + }, + .ops = &asoc_qcom_lpass_hdmi_dai_ops, + }, };

static int sc7180_lpass_alloc_dma_channel(struct lpass_data *drvdata, - int direction) + int direction, unsigned int dai_id) { struct lpass_variant *v = drvdata->variant; int chan = 0;

- if (direction == SNDRV_PCM_STREAM_PLAYBACK) { - chan = find_first_zero_bit(&drvdata->dma_ch_bit_map, - v->rdma_channels); + if (dai_id == LPASS_DP_RX) { + if (direction == SNDRV_PCM_STREAM_PLAYBACK) { + chan = find_first_zero_bit(&drvdata->hdmi_dma_ch_bit_map, + v->hdmi_rdma_channels); + + if (chan >= v->hdmi_rdma_channels) + return -EBUSY; + } + set_bit(chan, &drvdata->hdmi_dma_ch_bit_map); + } else { + if (direction == SNDRV_PCM_STREAM_PLAYBACK) { + chan = find_first_zero_bit(&drvdata->dma_ch_bit_map, + v->rdma_channels);

if (chan >= v->rdma_channels) return -EBUSY; - } else { - chan = find_next_zero_bit(&drvdata->dma_ch_bit_map, + } else { + chan = find_next_zero_bit(&drvdata->dma_ch_bit_map, v->wrdma_channel_start + v->wrdma_channels, v->wrdma_channel_start);

- if (chan >= v->wrdma_channel_start + v->wrdma_channels) - return -EBUSY; - } - - set_bit(chan, &drvdata->dma_ch_bit_map); + if (chan >= v->wrdma_channel_start + v->wrdma_channels) + return -EBUSY; + }

+ set_bit(chan, &drvdata->dma_ch_bit_map); + } return chan; }

-static int sc7180_lpass_free_dma_channel(struct lpass_data *drvdata, int chan) +static int sc7180_lpass_free_dma_channel(struct lpass_data *drvdata, int chan, unsigned int dai_id) { - clear_bit(chan, &drvdata->dma_ch_bit_map); + if (dai_id == LPASS_DP_RX) + clear_bit(chan, &drvdata->hdmi_dma_ch_bit_map); + else + clear_bit(chan, &drvdata->dma_ch_bit_map);

return 0; } @@ -144,6 +171,9 @@ static struct lpass_variant sc7180_data = { .rdma_reg_base = 0xC000, .rdma_reg_stride = 0x1000, .rdma_channels = 5, + .hdmi_rdma_reg_base = 0x64000, + .hdmi_rdma_reg_stride = 0x1000, + .hdmi_rdma_channels = 4, .dmactl_audif_start = 1, .wrdma_reg_base = 0x18000, .wrdma_reg_stride = 0x1000, @@ -163,7 +193,7 @@ static struct lpass_variant sc7180_data = { .rdma_dyncclk = REG_FIELD_ID(0xC000, 21, 21, 5, 0x1000), .rdma_bursten = REG_FIELD_ID(0xC000, 20, 20, 5, 0x1000), .rdma_wpscnt = REG_FIELD_ID(0xC000, 16, 19, 5, 0x1000), - .rdma_intf = REG_FIELD_ID(0xC000, 12, 15, 5, 0x1000), + .rdma_intf = REG_FIELD_ID(0xC000, 12, 15, 5, 0x1000), .rdma_fifowm = REG_FIELD_ID(0xC000, 1, 5, 5, 0x1000), .rdma_enable = REG_FIELD_ID(0xC000, 0, 0, 5, 0x1000),

@@ -174,6 +204,64 @@ static struct lpass_variant sc7180_data = { .wrdma_fifowm = REG_FIELD_ID(0x18000, 1, 5, 4, 0x1000), .wrdma_enable = REG_FIELD_ID(0x18000, 0, 0, 4, 0x1000),

+ .hdmi_tx_ctl_addr = 0x1000, + .hdmi_legacy_addr = 0x1008, + .hdmi_vbit_addr = 0x610c0, + .hdmi_ch_lsb_addr = 0x61048, + .hdmi_ch_msb_addr = 0x6104c, + .ch_stride = 0x8, + .hdmi_parity_addr = 0x61034, + .hdmi_dmactl_addr = 0x61038, + .hdmi_dma_stride = 0x4, + .hdmi_DP_addr = 0x610c8, + .hdmi_sstream_addr = 0x6101c, + .hdmi_irq_reg_base = 0x63000, + .hdmi_irq_ports = 1, + + .hdmi_rdma_dyncclk = REG_FIELD_ID(0x64000, 14, 14, 4, 0x1000), + .hdmi_rdma_bursten = REG_FIELD_ID(0x64000, 13, 13, 4, 0x1000), + .hdmi_rdma_burst8 = REG_FIELD_ID(0x64000, 15, 15, 4, 0x1000), + .hdmi_rdma_burst16 = REG_FIELD_ID(0x64000, 16, 16, 4, 0x1000), + .hdmi_rdma_dynburst = REG_FIELD_ID(0x64000, 18, 18, 4, 0x1000), + .hdmi_rdma_wpscnt = REG_FIELD_ID(0x64000, 10, 12, 4, 0x1000), + .hdmi_rdma_fifowm = REG_FIELD_ID(0x64000, 1, 5, 4, 0x1000), + .hdmi_rdma_enable = REG_FIELD_ID(0x64000, 0, 0, 4, 0x1000), + + .sstream_en = REG_FIELD(0x6101c, 0, 0), + .dma_sel = REG_FIELD(0x6101c, 1, 2), + .auto_bbit_en = REG_FIELD(0x6101c, 3, 3), + .layout = REG_FIELD(0x6101c, 4, 4), + .layout_sp = REG_FIELD(0x6101c, 5, 8), + .set_sp_on_en = REG_FIELD(0x6101c, 10, 10), + .dp_audio = REG_FIELD(0x6101c, 11, 11), + .dp_staffing_en = REG_FIELD(0x6101c, 12, 12), + .dp_sp_b_hw_en = REG_FIELD(0x6101c, 13, 13), + + .mute = REG_FIELD(0x610c8, 0, 0), + .as_sdp_cc = REG_FIELD(0x610c8, 1, 3), + .as_sdp_ct = REG_FIELD(0x610c8, 4, 7), + .aif_db4 = REG_FIELD(0x610c8, 8, 15), + .frequency = REG_FIELD(0x610c8, 16, 21), + .mst_index = REG_FIELD(0x610c8, 28, 29), + .dptx_index = REG_FIELD(0x610c8, 30, 31), + + .soft_reset = REG_FIELD(0x1000, 31, 31), + .force_reset = REG_FIELD(0x1000, 30, 30), + + .use_hw_chs = REG_FIELD(0x61038, 0, 0), + .use_hw_usr = REG_FIELD(0x61038, 1, 1), + .hw_chs_sel = REG_FIELD(0x61038, 2, 4), + .hw_usr_sel = REG_FIELD(0x61038, 5, 6), + + .replace_vbit = REG_FIELD(0x610c0, 0, 0), + .vbit_stream = REG_FIELD(0x610c0, 1, 1), + + .legacy_en = REG_FIELD(0x1008, 0, 0), + .calc_en = REG_FIELD(0x61034, 0, 0), + .lsb_bits = REG_FIELD(0x61048, 0, 31), + .msb_bits = REG_FIELD(0x6104c, 0, 31), + + .clk_name = (const char*[]) { "pcnoc-sway-clk", "audio-core",