diff options
author | V Sujith Kumar Reddy <vsujithk@codeaurora.org> | 2020-10-08 10:47:01 +0530 |
---|---|---|
committer | Mark Brown <broonie@kernel.org> | 2020-10-08 20:27:34 +0100 |
commit | 7cb37b7bd0d3c93e381ae7abf30971819966bd9d (patch) | |
tree | 70a4f1eb26234e5948d52a00961696c388f342fc /sound/soc/qcom | |
parent | d9e8e61243958409645c18c9267b6dbaaaf22364 (diff) |
ASoC: qcom: Add support for lpass hdmi driver
Upadate lpass cpu and platform driver to support audio over dp.
Also add lpass-hdmi.c and lpass-hdmi.h.
Signed-off-by: V Sujith Kumar Reddy <vsujithk@codeaurora.org>
Signed-off-by: Srinivasa Rao <srivasam@codeaurora.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/1602134223-2562-6-git-send-email-srivasam@codeaurora.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/qcom')
-rw-r--r-- | sound/soc/qcom/Kconfig | 5 | ||||
-rw-r--r-- | sound/soc/qcom/Makefile | 2 | ||||
-rw-r--r-- | sound/soc/qcom/lpass-apq8016.c | 4 | ||||
-rw-r--r-- | sound/soc/qcom/lpass-cpu.c | 247 | ||||
-rw-r--r-- | sound/soc/qcom/lpass-hdmi.c | 258 | ||||
-rw-r--r-- | sound/soc/qcom/lpass-hdmi.h | 102 | ||||
-rw-r--r-- | sound/soc/qcom/lpass-ipq806x.c | 4 | ||||
-rw-r--r-- | sound/soc/qcom/lpass-lpaif-reg.h | 49 | ||||
-rw-r--r-- | sound/soc/qcom/lpass-platform.c | 383 | ||||
-rw-r--r-- | sound/soc/qcom/lpass.h | 118 |
10 files changed, 1075 insertions, 97 deletions
diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig index 04258e6aa164..2696ffcba880 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 7972c9479ab0..0bd90d74e3db 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 5c8ae225cd5d..0aedb3a0a798 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 12950d2e2755..ba2aca301a9b 100644 --- a/sound/soc/qcom/lpass-cpu.c +++ b/sound/soc/qcom/lpass-cpu.c @@ -478,6 +478,206 @@ static struct regmap_config lpass_cpu_regmap_config = { .cache_type = REGCACHE_FLAT, }; +static 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; +} + +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, +}; + static unsigned int of_lpass_cpu_parse_sd_lines(struct device *dev, struct device_node *node, const char *name) @@ -535,13 +735,17 @@ 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 +800,27 @@ 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 +831,9 @@ 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])) { @@ -641,6 +869,13 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev) 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 000000000000..172952d3a5d6 --- /dev/null +++ b/sound/soc/qcom/lpass-hdmi.c @@ -0,0 +1,258 @@ +// 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" + +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); + +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 000000000000..ee74d783027a --- /dev/null +++ b/sound/soc/qcom/lpass-hdmi.h @@ -0,0 +1,102 @@ +/* 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 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 72f09b3a4f6b..832a9161484e 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 5258e60d3646..08f3fe508b85 100644 --- a/sound/soc/qcom/lpass-lpaif-reg.h +++ b/sound/soc/qcom/lpass-lpaif-reg.h @@ -70,6 +70,14 @@ #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 +85,22 @@ #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 +125,22 @@ #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 db0d959b1619..49abbb2bd99a 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) { |