Declare lpass_pcm_data structure in lpass header file instead of platform source file to make common use of it by other drivers

Signed-off-by: Srinivasa Rao Mandadapu quic_srivasam@quicinc.com Co-developed-by: Venkata Prasad Potturu quic_potturu@quicinc.com Signed-off-by: Venkata Prasad Potturu quic_potturu@quicinc.com Reviewed-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org --- sound/soc/qcom/lpass-platform.c | 5 ----- sound/soc/qcom/lpass.h | 5 +++++ 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c index a59e9d2..a44162c 100644 --- a/sound/soc/qcom/lpass-platform.c +++ b/sound/soc/qcom/lpass-platform.c @@ -18,11 +18,6 @@

#define DRV_NAME "lpass-platform"

-struct lpass_pcm_data { - int dma_ch; - int i2s_port; -}; - #define LPASS_PLATFORM_BUFFER_SIZE (24 * 2 * 1024) #define LPASS_PLATFORM_PERIODS 2

diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h index c0f0247..f0d21cd 100644 --- a/sound/soc/qcom/lpass.h +++ b/sound/soc/qcom/lpass.h @@ -257,6 +257,11 @@ struct lpass_variant { int num_clks; };

+struct lpass_pcm_data { + int dma_ch; + int i2s_port; +}; + /* register the platform driver from the CPU DAI driver */ int asoc_qcom_lpass_platform_register(struct platform_device *); int asoc_qcom_lpass_cpu_platform_remove(struct platform_device *pdev);

Add support function to get dma control and lpaif handle to avoid repeated code in platform driver

Signed-off-by: Srinivasa Rao Mandadapu quic_srivasam@quicinc.com Co-developed-by: Venkata Prasad Potturu quic_potturu@quicinc.com Signed-off-by: Venkata Prasad Potturu quic_potturu@quicinc.com Reviewed-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org --- sound/soc/qcom/lpass-platform.c | 113 +++++++++++++++++++++++----------------- 1 file changed, 66 insertions(+), 47 deletions(-)

diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c index a44162c..5d77240 100644 --- a/sound/soc/qcom/lpass-platform.c +++ b/sound/soc/qcom/lpass-platform.c @@ -177,6 +177,49 @@ static int lpass_platform_pcmops_close(struct snd_soc_component *component, return 0; }

+static void __lpass_get_lpaif_handle(struct snd_pcm_substream *substream, + struct snd_soc_component *component, + struct lpaif_dmactl **dmactl, int *id, struct regmap **map) +{ + 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; + int dir = substream->stream; + unsigned int dai_id = cpu_dai->driver->id; + struct lpaif_dmactl *l_dmactl = NULL; + struct regmap *l_map = NULL; + int l_id = 0; + + switch (dai_id) { + case MI2S_PRIMARY ... MI2S_QUINARY: + if (dir == SNDRV_PCM_STREAM_PLAYBACK) { + l_id = pcm_data->dma_ch; + l_dmactl = drvdata->rd_dmactl; + } else { + l_dmactl = drvdata->wr_dmactl; + l_id = pcm_data->dma_ch - v->wrdma_channel_start; + } + l_map = drvdata->lpaif_map; + break; + case LPASS_DP_RX: + l_id = pcm_data->dma_ch; + l_dmactl = drvdata->hdmi_rd_dmactl; + l_map = drvdata->hdmiif_map; + break; + default: + break; + } + if (dmactl) + *dmactl = l_dmactl; + if (id) + *id = l_id; + if (map) + *map = l_map; +} + static int lpass_platform_pcmops_hw_params(struct snd_soc_component *component, struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) @@ -191,21 +234,15 @@ static int lpass_platform_pcmops_hw_params(struct snd_soc_component *component, unsigned int channels = params_channels(params); unsigned int regval; struct lpaif_dmactl *dmactl; - int id, dir = substream->stream; + int id; 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) { - 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; + __lpass_get_lpaif_handle(substream, component, &dmactl, &id, NULL); + if (!dmactl) { + dev_err(soc_runtime->dev, "failed to get dmactl handle\n"); + return -EINVAL; }

bitwidth = snd_pcm_format_width(format); @@ -350,10 +387,11 @@ static int lpass_platform_pcmops_hw_free(struct snd_soc_component *component, 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; + __lpass_get_lpaif_handle(substream, component, NULL, NULL, &map); + if (!map) { + dev_err(soc_runtime->dev, "failed to get dmactl handle\n"); + return -EINVAL; + }

reg = LPAIF_DMACTL_REG(v, pcm_data->dma_ch, substream->stream, dai_id); ret = regmap_write(map, reg, 0); @@ -379,22 +417,12 @@ static int lpass_platform_pcmops_prepare(struct snd_soc_component *component, 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) { - 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; + __lpass_get_lpaif_handle(substream, component, &dmactl, &id, &map); + if (!dmactl) { + dev_err(soc_runtime->dev, "failed to get dmactl handle\n"); + return -EINVAL; }

ret = regmap_write(map, LPAIF_DMABASE_REG(v, ch, dir, dai_id), @@ -444,25 +472,15 @@ static int lpass_platform_pcmops_trigger(struct snd_soc_component *component, 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) { - id = pcm_data->dma_ch; - if (dai_id == LPASS_DP_RX) { - dmactl = drvdata->hdmi_rd_dmactl; - map = drvdata->hdmiif_map; - } else { - dmactl = drvdata->rd_dmactl; - map = drvdata->lpaif_map; - } - } else { - dmactl = drvdata->wr_dmactl; - id = pcm_data->dma_ch - v->wrdma_channel_start; - map = drvdata->lpaif_map; + __lpass_get_lpaif_handle(substream, component, &dmactl, &id, &map); + if (!dmactl) { + dev_err(soc_runtime->dev, "failed to get dmactl handle\n"); + return -EINVAL; }

switch (cmd) { @@ -597,10 +615,11 @@ static snd_pcm_uframes_t lpass_platform_pcmops_pointer( 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; + __lpass_get_lpaif_handle(substream, component, NULL, NULL, &map); + if (!map) { + dev_err(soc_runtime->dev, "failed to get dmactl handle\n"); + return -EINVAL; + }

ch = pcm_data->dma_ch;

Update regmap configuration for supporting headset playback and capture and DMIC capture using codec dma interface

Signed-off-by: Srinivasa Rao Mandadapu quic_srivasam@quicinc.com Co-developed-by: Venkata Prasad Potturu quic_potturu@quicinc.com Signed-off-by: Venkata Prasad Potturu quic_potturu@quicinc.com Reviewed-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org --- sound/soc/qcom/lpass-cpu.c | 185 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 185 insertions(+)

diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c index 3bd9eb3..4fb9669 100644 --- a/sound/soc/qcom/lpass-cpu.c +++ b/sound/soc/qcom/lpass-cpu.c @@ -28,6 +28,8 @@ #define LPASS_CPU_I2S_SD2_3_MASK GENMASK(3, 2) #define LPASS_CPU_I2S_SD0_1_2_MASK GENMASK(2, 0) #define LPASS_CPU_I2S_SD0_1_2_3_MASK GENMASK(3, 0) +#define LPASS_REG_READ 1 +#define LPASS_REG_WRITE 0

/* * Channel maps for Quad channel playbacks on MI2S Secondary @@ -798,6 +800,189 @@ static struct regmap_config lpass_hdmi_regmap_config = { .cache_type = REGCACHE_FLAT, };

+static bool __lpass_rxtx_regmap_accessible(struct device *dev, unsigned int reg, bool rw) +{ + struct lpass_data *drvdata = dev_get_drvdata(dev); + struct lpass_variant *v = drvdata->variant; + int i; + + for (i = 0; i < v->rxtx_irq_ports; ++i) { + if (reg == LPAIF_RXTX_IRQCLEAR_REG(v, i)) + return true; + if (reg == LPAIF_RXTX_IRQEN_REG(v, i)) + return true; + if (reg == LPAIF_RXTX_IRQSTAT_REG(v, i)) + return true; + } + + for (i = 0; i < v->rxtx_rdma_channels; ++i) { + if (reg == LPAIF_CDC_RXTX_RDMACTL_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + if (reg == LPAIF_CDC_RXTX_RDMABASE_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + if (reg == LPAIF_CDC_RXTX_RDMABUFF_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + if (rw == LPASS_REG_READ) { + if (reg == LPAIF_CDC_RXTX_RDMACURR_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + } + if (reg == LPAIF_CDC_RXTX_RDMAPER_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + if (reg == LPAIF_CDC_RXTX_RDMA_INTF_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + } + + for (i = 0; i < v->rxtx_wrdma_channels; ++i) { + if (reg == LPAIF_CDC_RXTX_WRDMACTL_REG(v, i + v->rxtx_wrdma_channel_start, + LPASS_CDC_DMA_TX3)) + return true; + if (reg == LPAIF_CDC_RXTX_WRDMABASE_REG(v, i + v->rxtx_wrdma_channel_start, + LPASS_CDC_DMA_TX3)) + return true; + if (reg == LPAIF_CDC_RXTX_WRDMABUFF_REG(v, i + v->rxtx_wrdma_channel_start, + LPASS_CDC_DMA_TX3)) + return true; + if (rw == LPASS_REG_READ) { + if (reg == LPAIF_CDC_RXTX_WRDMACURR_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + } + if (reg == LPAIF_CDC_RXTX_WRDMAPER_REG(v, i + v->rxtx_wrdma_channel_start, + LPASS_CDC_DMA_TX3)) + return true; + if (reg == LPAIF_CDC_RXTX_WRDMA_INTF_REG(v, i + v->rxtx_wrdma_channel_start, + LPASS_CDC_DMA_TX3)) + return true; + } + return false; +} + +static bool lpass_rxtx_regmap_writeable(struct device *dev, unsigned int reg) +{ + return __lpass_rxtx_regmap_accessible(dev, reg, LPASS_REG_WRITE); +} + +static bool lpass_rxtx_regmap_readable(struct device *dev, unsigned int reg) +{ + return __lpass_rxtx_regmap_accessible(dev, reg, LPASS_REG_READ); +} + +static bool lpass_rxtx_regmap_volatile(struct device *dev, unsigned int reg) +{ + struct lpass_data *drvdata = dev_get_drvdata(dev); + struct lpass_variant *v = drvdata->variant; + int i; + + for (i = 0; i < v->rxtx_irq_ports; ++i) { + if (reg == LPAIF_RXTX_IRQCLEAR_REG(v, i)) + return true; + if (reg == LPAIF_RXTX_IRQSTAT_REG(v, i)) + return true; + } + + for (i = 0; i < v->rxtx_rdma_channels; ++i) + if (reg == LPAIF_CDC_RXTX_RDMACURR_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + + for (i = 0; i < v->rxtx_wrdma_channels; ++i) + if (reg == LPAIF_CDC_RXTX_WRDMACURR_REG(v, i + v->rxtx_wrdma_channel_start, + LPASS_CDC_DMA_TX3)) + return true; + + return false; +} + +static bool __lpass_va_regmap_accessible(struct device *dev, unsigned int reg, bool rw) +{ + struct lpass_data *drvdata = dev_get_drvdata(dev); + struct lpass_variant *v = drvdata->variant; + int i; + + for (i = 0; i < v->va_irq_ports; ++i) { + if (reg == LPAIF_VA_IRQCLEAR_REG(v, i)) + return true; + if (reg == LPAIF_VA_IRQEN_REG(v, i)) + return true; + if (reg == LPAIF_VA_IRQSTAT_REG(v, i)) + return true; + } + + for (i = 0; i < v->va_wrdma_channels; ++i) { + if (reg == LPAIF_CDC_VA_WRDMACTL_REG(v, i + v->va_wrdma_channel_start, + LPASS_CDC_DMA_VA_TX0)) + return true; + if (reg == LPAIF_CDC_VA_WRDMABASE_REG(v, i + v->va_wrdma_channel_start, + LPASS_CDC_DMA_VA_TX0)) + return true; + if (reg == LPAIF_CDC_VA_WRDMABUFF_REG(v, i + v->va_wrdma_channel_start, + LPASS_CDC_DMA_VA_TX0)) + return true; + if (rw == LPASS_REG_READ) { + if (reg == LPAIF_CDC_VA_WRDMACURR_REG(v, i + v->va_wrdma_channel_start, + LPASS_CDC_DMA_VA_TX0)) + return true; + } + if (reg == LPAIF_CDC_VA_WRDMAPER_REG(v, i + v->va_wrdma_channel_start, + LPASS_CDC_DMA_VA_TX0)) + return true; + if (reg == LPAIF_CDC_VA_WRDMA_INTF_REG(v, i + v->va_wrdma_channel_start, + LPASS_CDC_DMA_VA_TX0)) + return true; + } + return false; +} + +static bool lpass_va_regmap_writeable(struct device *dev, unsigned int reg) +{ + return __lpass_va_regmap_accessible(dev, reg, LPASS_REG_WRITE); +} + +static bool lpass_va_regmap_readable(struct device *dev, unsigned int reg) +{ + return __lpass_va_regmap_accessible(dev, reg, LPASS_REG_READ); +} + +static bool lpass_va_regmap_volatile(struct device *dev, unsigned int reg) +{ + struct lpass_data *drvdata = dev_get_drvdata(dev); + struct lpass_variant *v = drvdata->variant; + int i; + + for (i = 0; i < v->va_irq_ports; ++i) { + if (reg == LPAIF_VA_IRQCLEAR_REG(v, i)) + return true; + if (reg == LPAIF_VA_IRQSTAT_REG(v, i)) + return true; + } + + for (i = 0; i < v->va_wrdma_channels; ++i) { + if (reg == LPAIF_CDC_VA_WRDMACURR_REG(v, i + v->va_wrdma_channel_start, + LPASS_CDC_DMA_VA_TX0)) + return true; + } + + return false; +} + +static struct regmap_config lpass_rxtx_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .writeable_reg = lpass_rxtx_regmap_writeable, + .readable_reg = lpass_rxtx_regmap_readable, + .volatile_reg = lpass_rxtx_regmap_volatile, + .cache_type = REGCACHE_FLAT, +}; + +static struct regmap_config lpass_va_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .writeable_reg = lpass_va_regmap_writeable, + .readable_reg = lpass_va_regmap_readable, + .volatile_reg = lpass_va_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)

Upadate lpass cpu and platform driver to support audio over codec dma in ADSP bypass use case.

Signed-off-by: Srinivasa Rao Mandadapu quic_srivasam@quicinc.com Co-developed-by: Venkata Prasad Potturu quic_potturu@quicinc.com Signed-off-by: Venkata Prasad Potturu quic_potturu@quicinc.com --- sound/soc/qcom/lpass-cpu.c | 59 ++++- sound/soc/qcom/lpass-platform.c | 499 ++++++++++++++++++++++++++++++++++++++-- 2 files changed, 537 insertions(+), 21 deletions(-)

diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c index 4fb9669..a5a46bc 100644 --- a/sound/soc/qcom/lpass-cpu.c +++ b/sound/soc/qcom/lpass-cpu.c @@ -1042,7 +1042,9 @@ static void of_lpass_cpu_parse_dai_data(struct device *dev, } if (id == LPASS_DP_RX) { data->hdmi_port_enable = 1; - } else { + } else if (is_cdc_dma_port(id)) + data->codec_dma_enable = 1; + else { data->mi2s_playback_sd_mode[id] = of_lpass_cpu_parse_sd_lines(dev, node, "qcom,playback-sd-lines"); @@ -1057,6 +1059,7 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev) { struct lpass_data *drvdata; struct device_node *dsp_of_node; + struct resource *res; struct lpass_variant *variant; struct device *dev = &pdev->dev; const struct of_device_id *match; @@ -1082,6 +1085,58 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev)

of_lpass_cpu_parse_dai_data(dev, drvdata);

+ drvdata->num_clks = variant->num_clks; + if (drvdata->codec_dma_enable) { + drvdata->rxtx_lpaif = + devm_platform_ioremap_resource_byname(pdev, "lpass-rxtx-lpaif"); + if (IS_ERR(drvdata->rxtx_lpaif)) + return PTR_ERR(drvdata->rxtx_lpaif); + + drvdata->va_lpaif = devm_platform_ioremap_resource_byname(pdev, "lpass-va-lpaif"); + if (IS_ERR(drvdata->va_lpaif)) + return PTR_ERR(drvdata->va_lpaif); + + lpass_rxtx_regmap_config.max_register = LPAIF_CDC_RXTX_WRDMAPER_REG(variant, + variant->rxtx_wrdma_channels + + variant->rxtx_wrdma_channel_start, LPASS_CDC_DMA_TX3); + + drvdata->rxtx_lpaif_map = devm_regmap_init_mmio(dev, drvdata->rxtx_lpaif, + &lpass_rxtx_regmap_config); + if (IS_ERR(drvdata->rxtx_lpaif_map)) { + dev_err(dev, "error initializing rxtx regmap: %ld\n", + PTR_ERR(drvdata->rxtx_lpaif_map)); + return PTR_ERR(drvdata->rxtx_lpaif_map); + } + lpass_va_regmap_config.max_register = LPAIF_CDC_VA_WRDMAPER_REG(variant, + variant->va_wrdma_channels + + variant->va_wrdma_channel_start, LPASS_CDC_DMA_VA_TX0); + + drvdata->va_lpaif_map = devm_regmap_init_mmio(dev, drvdata->va_lpaif, + &lpass_va_regmap_config); + if (IS_ERR(drvdata->va_lpaif_map)) { + dev_err(dev, "error initializing va regmap: %ld\n", + PTR_ERR(drvdata->va_lpaif_map)); + return PTR_ERR(drvdata->va_lpaif_map); + } + drvdata->cdc_clks = devm_kcalloc(dev, variant->cdc_dma_num_clks, + sizeof(*drvdata->cdc_clks), GFP_KERNEL); + drvdata->cdc_num_clks = variant->cdc_dma_num_clks; + + for (i = 0; i < drvdata->cdc_num_clks; i++) + drvdata->cdc_clks[i].id = variant->cdc_dma_clk_names[i]; + + ret = devm_clk_bulk_get(dev, drvdata->cdc_num_clks, drvdata->cdc_clks); + if (ret) { + dev_err(dev, "Failed to get clocks %d\n", ret); + return ret; + } + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "lpass-rxtx-cdc-dma-lpm"); + drvdata->rxtx_cdc_dma_lpm_buf = res->start; + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "lpass-va-cdc-dma-lpm"); + drvdata->va_cdc_dma_lpm_buf = res->start; + } drvdata->lpaif = devm_platform_ioremap_resource_byname(pdev, "lpass-lpaif"); if (IS_ERR(drvdata->lpaif)) return PTR_ERR(drvdata->lpaif); @@ -1124,7 +1179,7 @@ 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) + if (dai_id == LPASS_DP_RX || is_cdc_dma_port(dai_id)) continue;

drvdata->mi2s_osr_clk[dai_id] = devm_clk_get_optional(dev, diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c index 5d77240..3b9a060 100644 --- a/sound/soc/qcom/lpass-platform.c +++ b/sound/soc/qcom/lpass-platform.c @@ -20,6 +20,9 @@

#define LPASS_PLATFORM_BUFFER_SIZE (24 * 2 * 1024) #define LPASS_PLATFORM_PERIODS 2 +#define LPASS_RXTX_CDC_DMA_LPM_BUFF_SIZE (24 * 1024) +#define LPASS_VA_CDC_DMA_LPM_BUFF_SIZE (12 * 1024) +#define LPASS_CDC_DMA_REGISTER_FIELDS_MAX 15

static const struct snd_pcm_hardware lpass_platform_pcm_hardware = { .info = SNDRV_PCM_INFO_MMAP | @@ -45,6 +48,99 @@ static const struct snd_pcm_hardware lpass_platform_pcm_hardware = { .fifo_size = 0, };

+static const struct snd_pcm_hardware lpass_platform_rxtx_hardware = { + .info = SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_PAUSE | + SNDRV_PCM_INFO_RESUME, + .formats = SNDRV_PCM_FMTBIT_S16 | + SNDRV_PCM_FMTBIT_S24 | + SNDRV_PCM_FMTBIT_S32, + .rates = SNDRV_PCM_RATE_8000_192000, + .rate_min = 8000, + .rate_max = 192000, + .channels_min = 1, + .channels_max = 8, + .buffer_bytes_max = LPASS_RXTX_CDC_DMA_LPM_BUFF_SIZE, + .period_bytes_max = LPASS_RXTX_CDC_DMA_LPM_BUFF_SIZE / + LPASS_PLATFORM_PERIODS, + .period_bytes_min = LPASS_RXTX_CDC_DMA_LPM_BUFF_SIZE / + LPASS_PLATFORM_PERIODS, + .periods_min = LPASS_PLATFORM_PERIODS, + .periods_max = LPASS_PLATFORM_PERIODS, + .fifo_size = 0, +}; + +static const struct snd_pcm_hardware lpass_platform_va_hardware = { + .info = SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_PAUSE | + SNDRV_PCM_INFO_RESUME, + .formats = SNDRV_PCM_FMTBIT_S16 | + SNDRV_PCM_FMTBIT_S24 | + SNDRV_PCM_FMTBIT_S32, + .rates = SNDRV_PCM_RATE_8000_192000, + .rate_min = 8000, + .rate_max = 192000, + .channels_min = 1, + .channels_max = 8, + .buffer_bytes_max = LPASS_VA_CDC_DMA_LPM_BUFF_SIZE, + .period_bytes_max = LPASS_VA_CDC_DMA_LPM_BUFF_SIZE / + LPASS_PLATFORM_PERIODS, + .period_bytes_min = LPASS_VA_CDC_DMA_LPM_BUFF_SIZE / + LPASS_PLATFORM_PERIODS, + .periods_min = LPASS_PLATFORM_PERIODS, + .periods_max = LPASS_PLATFORM_PERIODS, + .fifo_size = 0, +}; + +static int lpass_platform_alloc_rxtx_dmactl_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, *wr_dmactl; + int rval; + + rd_dmactl = devm_kzalloc(dev, sizeof(*rd_dmactl), GFP_KERNEL); + if (rd_dmactl == NULL) + return -ENOMEM; + + wr_dmactl = devm_kzalloc(dev, sizeof(*wr_dmactl), GFP_KERNEL); + if (wr_dmactl == NULL) + return -ENOMEM; + + drvdata->rxtx_rd_dmactl = rd_dmactl; + drvdata->rxtx_wr_dmactl = wr_dmactl; + + rval = devm_regmap_field_bulk_alloc(dev, map, &rd_dmactl->intf, + &v->rxtx_rdma_intf, LPASS_CDC_DMA_REGISTER_FIELDS_MAX); + if (rval) + return rval; + + return devm_regmap_field_bulk_alloc(dev, map, &wr_dmactl->intf, + &v->rxtx_wrdma_intf, LPASS_CDC_DMA_REGISTER_FIELDS_MAX); +} + +static int lpass_platform_alloc_va_dmactl_fields(struct device *dev, + struct regmap *map) +{ + struct lpass_data *drvdata = dev_get_drvdata(dev); + struct lpass_variant *v = drvdata->variant; + struct lpaif_dmactl *wr_dmactl; + + wr_dmactl = devm_kzalloc(dev, sizeof(*wr_dmactl), GFP_KERNEL); + if (wr_dmactl == NULL) + return -ENOMEM; + + drvdata->va_wr_dmactl = wr_dmactl; + return devm_regmap_field_bulk_alloc(dev, map, &wr_dmactl->intf, + &v->va_wrdma_intf, LPASS_CDC_DMA_REGISTER_FIELDS_MAX); +} + + static int lpass_platform_alloc_dmactl_fields(struct device *dev, struct regmap *map) { @@ -123,25 +219,55 @@ static int lpass_platform_pcmops_open(struct snd_soc_component *component, return dma_ch; }

- if (cpu_dai->driver->id == LPASS_DP_RX) { - map = drvdata->hdmiif_map; - drvdata->hdmi_substream[dma_ch] = substream; - } else { + switch (dai_id) { + case MI2S_PRIMARY ... MI2S_QUINARY: map = drvdata->lpaif_map; drvdata->substream[dma_ch] = substream; + break; + case LPASS_DP_RX: + map = drvdata->hdmiif_map; + drvdata->hdmi_substream[dma_ch] = substream; + break; + case LPASS_CDC_DMA_RX0 ... LPASS_CDC_DMA_RX9: + case LPASS_CDC_DMA_TX0 ... LPASS_CDC_DMA_TX8: + map = drvdata->rxtx_lpaif_map; + drvdata->rxtx_substream[dma_ch] = substream; + break; + case LPASS_CDC_DMA_VA_TX0 ... LPASS_CDC_DMA_VA_TX8: + map = drvdata->va_lpaif_map; + drvdata->va_substream[dma_ch] = substream; + break; + default: + break; } + 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; + switch (dai_id) { + case MI2S_PRIMARY ... MI2S_QUINARY: + case LPASS_DP_RX: + ret = regmap_write(map, LPAIF_DMACTL_REG(v, dma_ch, dir, data->i2s_port), 0); + if (ret) { + kfree(data); + dev_err(soc_runtime->dev, "error writing to rdmactl reg: %d\n", ret); + return ret; + } + snd_soc_set_runtime_hwparams(substream, &lpass_platform_pcm_hardware); + runtime->dma_bytes = lpass_platform_pcm_hardware.buffer_bytes_max; + break; + case LPASS_CDC_DMA_RX0 ... LPASS_CDC_DMA_RX9: + case LPASS_CDC_DMA_TX0 ... LPASS_CDC_DMA_TX8: + snd_soc_set_runtime_hwparams(substream, &lpass_platform_rxtx_hardware); + runtime->dma_bytes = lpass_platform_rxtx_hardware.buffer_bytes_max; + snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer); + break; + case LPASS_CDC_DMA_VA_TX0 ... LPASS_CDC_DMA_VA_TX8: + snd_soc_set_runtime_hwparams(substream, &lpass_platform_va_hardware); + runtime->dma_bytes = lpass_platform_va_hardware.buffer_bytes_max; + snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer); + break; + default: + break; } - snd_soc_set_runtime_hwparams(substream, &lpass_platform_pcm_hardware); - - runtime->dma_bytes = lpass_platform_pcm_hardware.buffer_bytes_max; - ret = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); if (ret < 0) { @@ -166,10 +292,25 @@ static int lpass_platform_pcmops_close(struct snd_soc_component *component, unsigned int dai_id = cpu_dai->driver->id;

data = runtime->private_data; - if (dai_id == LPASS_DP_RX) - drvdata->hdmi_substream[data->dma_ch] = NULL; - else + + switch (dai_id) { + case MI2S_PRIMARY ... MI2S_QUINARY: drvdata->substream[data->dma_ch] = NULL; + break; + case LPASS_DP_RX: + drvdata->hdmi_substream[data->dma_ch] = NULL; + break; + case LPASS_CDC_DMA_RX0 ... LPASS_CDC_DMA_RX9: + case LPASS_CDC_DMA_TX0 ... LPASS_CDC_DMA_TX8: + drvdata->rxtx_substream[data->dma_ch] = NULL; + break; + case LPASS_CDC_DMA_VA_TX0 ... LPASS_CDC_DMA_VA_TX8: + drvdata->va_substream[data->dma_ch] = NULL; + break; + default: + break; + } + if (v->free_dma_channel) v->free_dma_channel(drvdata, data->dma_ch, dai_id);

@@ -209,9 +350,25 @@ static void __lpass_get_lpaif_handle(struct snd_pcm_substream *substream, l_dmactl = drvdata->hdmi_rd_dmactl; l_map = drvdata->hdmiif_map; break; + case LPASS_CDC_DMA_RX0 ... LPASS_CDC_DMA_RX9: + l_id = pcm_data->dma_ch; + l_dmactl = drvdata->rxtx_rd_dmactl; + l_map = drvdata->rxtx_lpaif_map; + break; + case LPASS_CDC_DMA_TX0 ... LPASS_CDC_DMA_TX8: + l_id = pcm_data->dma_ch - v->rxtx_wrdma_channel_start; + l_dmactl = drvdata->rxtx_wr_dmactl; + l_map = drvdata->rxtx_lpaif_map; + break; + case LPASS_CDC_DMA_VA_TX0 ... LPASS_CDC_DMA_VA_TX8: + l_id = pcm_data->dma_ch - v->va_wrdma_channel_start; + l_dmactl = drvdata->va_wr_dmactl; + l_map = drvdata->va_lpaif_map; + break; default: break; } + if (dmactl) *dmactl = l_dmactl; if (id) @@ -299,6 +456,10 @@ static int lpass_platform_pcmops_hw_params(struct snd_soc_component *component, }

break; + case LPASS_CDC_DMA_RX0 ... LPASS_CDC_DMA_RX9: + case LPASS_CDC_DMA_TX0 ... LPASS_CDC_DMA_TX8: + case LPASS_CDC_DMA_VA_TX0 ... LPASS_CDC_DMA_VA_TX0: + break; default: dev_err(soc_runtime->dev, "%s: invalid interface: %d\n", __func__, dai_id); break; @@ -387,6 +548,9 @@ static int lpass_platform_pcmops_hw_free(struct snd_soc_component *component, struct regmap *map; unsigned int dai_id = cpu_dai->driver->id;

+ if (is_cdc_dma_port(dai_id)) + return 0; + __lpass_get_lpaif_handle(substream, component, NULL, NULL, &map); if (!map) { dev_err(soc_runtime->dev, "failed to get dmactl handle\n"); @@ -449,6 +613,14 @@ static int lpass_platform_pcmops_prepare(struct snd_soc_component *component, return ret; }

+ if (is_cdc_dma_port(dai_id)) { + ret = regmap_fields_write(dmactl->fifowm, id, LPAIF_DMACTL_FIFOWM_8); + if (ret) { + dev_err(soc_runtime->dev, "error writing fifowm field to dmactl reg: %d, id: %d\n", + ret, id); + return ret; + } + } ret = regmap_fields_write(dmactl->enable, id, LPAIF_DMACTL_ENABLE_ON); if (ret) { dev_err(soc_runtime->dev, "error writing to rdmactl reg: %d\n", @@ -532,6 +704,35 @@ static int lpass_platform_pcmops_trigger(struct snd_soc_component *component, val_mask = LPAIF_IRQ_ALL(ch); val_irqen = LPAIF_IRQ_ALL(ch); break; + case LPASS_CDC_DMA_RX0 ... LPASS_CDC_DMA_RX9: + case LPASS_CDC_DMA_TX0 ... LPASS_CDC_DMA_TX8: + ret = regmap_fields_write(dmactl->dyncclk, id, LPAIF_DMACTL_DYNCLK_ON); + if (ret) { + dev_err(soc_runtime->dev, + "error writing to rdmactl reg field: %d\n", ret); + return ret; + } + reg_irqclr = LPAIF_RXTX_IRQCLEAR_REG(v, LPAIF_IRQ_PORT_HOST); + val_irqclr = LPAIF_IRQ_ALL(ch); + + reg_irqen = LPAIF_RXTX_IRQEN_REG(v, LPAIF_IRQ_PORT_HOST); + val_mask = LPAIF_IRQ_ALL(ch); + val_irqen = LPAIF_IRQ_ALL(ch); + break; + case LPASS_CDC_DMA_VA_TX0 ... LPASS_CDC_DMA_VA_TX8: + ret = regmap_fields_write(dmactl->dyncclk, id, LPAIF_DMACTL_DYNCLK_ON); + if (ret) { + dev_err(soc_runtime->dev, + "error writing to rdmactl reg field: %d\n", ret); + return ret; + } + reg_irqclr = LPAIF_VA_IRQCLEAR_REG(v, LPAIF_IRQ_PORT_HOST); + val_irqclr = LPAIF_IRQ_ALL(ch); + + reg_irqen = LPAIF_VA_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; @@ -583,6 +784,37 @@ static int lpass_platform_pcmops_trigger(struct snd_soc_component *component, val_mask = LPAIF_IRQ_ALL(ch); val_irqen = 0; break; + case LPASS_CDC_DMA_RX0 ... LPASS_CDC_DMA_RX9: + case LPASS_CDC_DMA_TX0 ... LPASS_CDC_DMA_TX8: + ret = regmap_fields_write(dmactl->dyncclk, id, LPAIF_DMACTL_DYNCLK_OFF); + if (ret) { + dev_err(soc_runtime->dev, + "error writing to rdmactl reg field: %d\n", ret); + return ret; + } + + reg_irqclr = LPAIF_RXTX_IRQCLEAR_REG(v, LPAIF_IRQ_PORT_HOST); + val_irqclr = LPAIF_IRQ_ALL(ch); + + reg_irqen = LPAIF_RXTX_IRQEN_REG(v, LPAIF_IRQ_PORT_HOST); + val_mask = LPAIF_IRQ_ALL(ch); + val_irqen = LPAIF_IRQ_ALL(ch); + break; + case LPASS_CDC_DMA_VA_TX0 ... LPASS_CDC_DMA_VA_TX8: + ret = regmap_fields_write(dmactl->dyncclk, id, LPAIF_DMACTL_DYNCLK_OFF); + if (ret) { + dev_err(soc_runtime->dev, + "error writing to rdmactl reg field: %d\n", ret); + return ret; + } + + reg_irqclr = LPAIF_VA_IRQCLEAR_REG(v, LPAIF_IRQ_PORT_HOST); + val_irqclr = LPAIF_IRQ_ALL(ch); + + reg_irqen = LPAIF_VA_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; @@ -642,6 +874,39 @@ static snd_pcm_uframes_t lpass_platform_pcmops_pointer( return bytes_to_frames(substream->runtime, curr_addr - base_addr); }

+static int lpass_platform_cdc_dma_mmap(struct snd_soc_component *component, + struct snd_pcm_substream *substream, + struct vm_area_struct *vma) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + unsigned long size, offset; + + vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); + size = vma->vm_end - vma->vm_start; + offset = vma->vm_pgoff << PAGE_SHIFT; + return io_remap_pfn_range(vma, vma->vm_start, + (runtime->dma_addr + offset) >> PAGE_SHIFT, + size, vma->vm_page_prot); + +} + +static int lpass_platform_pcmops_mmap(struct snd_soc_component *component, + struct snd_pcm_substream *substream, + struct vm_area_struct *vma) +{ + 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); + unsigned int dai_id = cpu_dai->driver->id; + int err; + + if (is_cdc_dma_port(dai_id)) + err = lpass_platform_cdc_dma_mmap(component, substream, vma); + else + err = snd_pcm_lib_default_mmap(substream, vma); + + return err; +} + static irqreturn_t lpass_dma_interrupt_handler( struct snd_pcm_substream *substream, struct lpass_data *drvdata, @@ -674,6 +939,17 @@ static irqreturn_t lpass_dma_interrupt_handler( reg = LPAIF_IRQCLEAR_REG(v, LPAIF_IRQ_PORT_HOST); val = 0; break; + case LPASS_CDC_DMA_RX0 ... LPASS_CDC_DMA_RX9: + case LPASS_CDC_DMA_TX0 ... LPASS_CDC_DMA_TX8: + map = drvdata->rxtx_lpaif_map; + reg = LPAIF_RXTX_IRQCLEAR_REG(v, LPAIF_IRQ_PORT_HOST); + val = 0; + break; + case LPASS_CDC_DMA_VA_TX0 ... LPASS_CDC_DMA_VA_TX8: + map = drvdata->va_lpaif_map; + reg = LPAIF_VA_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; @@ -781,18 +1057,122 @@ static irqreturn_t lpass_platform_hdmiif_irq(int irq, void *data) return rv; } } + return IRQ_HANDLED; +} + +static irqreturn_t lpass_platform_rxtxif_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->rxtx_lpaif_map, + LPAIF_RXTX_IRQSTAT_REG(v, LPAIF_IRQ_PORT_HOST), &irqs); + if (rv) + return IRQ_NONE; + /* Handle per channel interrupts */ + for (chan = 0; chan < LPASS_MAX_CDC_DMA_CHANNELS; chan++) { + if (irqs & LPAIF_IRQ_ALL(chan) && drvdata->rxtx_substream[chan]) { + rv = lpass_dma_interrupt_handler( + drvdata->rxtx_substream[chan], + drvdata, chan, irqs); + if (rv != IRQ_HANDLED) + return rv; + } + }

return IRQ_HANDLED; }

+static irqreturn_t lpass_platform_vaif_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->va_lpaif_map, + LPAIF_VA_IRQSTAT_REG(v, LPAIF_IRQ_PORT_HOST), &irqs); + if (rv) + return IRQ_NONE; + /* Handle per channel interrupts */ + for (chan = 0; chan < LPASS_MAX_VA_CDC_DMA_CHANNELS; chan++) { + if (irqs & LPAIF_IRQ_ALL(chan) && drvdata->va_substream[chan]) { + rv = lpass_dma_interrupt_handler( + drvdata->va_substream[chan], + drvdata, chan, irqs); + if (rv != IRQ_HANDLED) + return rv; + } + } + return IRQ_HANDLED; +} + +static int lpass_platform_prealloc_cdc_dma_buffer(struct snd_soc_component *component, + struct snd_pcm *pcm, int dai_id) +{ + struct lpass_data *drvdata = snd_soc_component_get_drvdata(component); + struct snd_pcm_substream *substream; + struct snd_dma_buffer *buf; + int ret; + + if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) + substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; + else + substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; + + ret = dma_coerce_mask_and_coherent(pcm->card->dev, DMA_BIT_MASK(64)); + if (ret) + return ret; + + buf = &substream->dma_buffer; + buf->dev.dev = pcm->card->dev; + buf->private_data = NULL; + + /* Assign Codec DMA buffer pointers */ + buf->dev.type = SNDRV_DMA_TYPE_CONTINUOUS; + + switch (dai_id) { + case LPASS_CDC_DMA_RX0 ... LPASS_CDC_DMA_RX9: + buf->bytes = lpass_platform_rxtx_hardware.buffer_bytes_max; + buf->addr = drvdata->rxtx_cdc_dma_lpm_buf; + break; + case LPASS_CDC_DMA_TX0 ... LPASS_CDC_DMA_TX8: + buf->bytes = lpass_platform_rxtx_hardware.buffer_bytes_max; + buf->addr = drvdata->rxtx_cdc_dma_lpm_buf + LPASS_RXTX_CDC_DMA_LPM_BUFF_SIZE; + break; + case LPASS_CDC_DMA_VA_TX0 ... LPASS_CDC_DMA_VA_TX8: + buf->bytes = lpass_platform_va_hardware.buffer_bytes_max; + buf->addr = drvdata->va_cdc_dma_lpm_buf; + break; + default: + break; + } + + buf->area = (unsigned char * __force)ioremap(buf->addr, buf->bytes); + + return 0; +} + static int lpass_platform_pcm_new(struct snd_soc_component *component, struct snd_soc_pcm_runtime *soc_runtime) { struct snd_pcm *pcm = soc_runtime->pcm; + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(soc_runtime, 0); + unsigned int dai_id = cpu_dai->driver->id; + size_t size = lpass_platform_pcm_hardware.buffer_bytes_max;

- return snd_pcm_set_fixed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, - component->dev, size); + /* + * Lpass codec dma can access only lpass lpm hardware memory. + * ioremap is for HLOS to access hardware memory. + */ + if (is_cdc_dma_port(dai_id)) + return lpass_platform_prealloc_cdc_dma_buffer(component, pcm, dai_id); + else + return snd_pcm_set_fixed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, + component->dev, size); }

static int lpass_platform_pcmops_suspend(struct snd_soc_component *component) @@ -827,6 +1207,31 @@ static int lpass_platform_pcmops_resume(struct snd_soc_component *component) return regcache_sync(map); }

+static int lpass_platform_copy(struct snd_soc_component *component, + struct snd_pcm_substream *substream, int channel, + unsigned long pos, void __user *buf, unsigned long bytes) +{ + struct snd_pcm_runtime *rt = substream->runtime; + unsigned int dai_id = component->id; + int ret = 0; + + unsigned char *dma_buf = rt->dma_area + pos + + channel * (rt->dma_bytes / rt->channels); + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + if (is_cdc_dma_port(dai_id)) + ret = copy_from_user_toio((void __force *)dma_buf, buf, bytes); + else + ret = copy_from_user((void __force *)dma_buf, buf, bytes); + } else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { + if (is_cdc_dma_port(dai_id)) + ret = copy_to_user_fromio(buf, dma_buf, bytes); + else + ret = copy_to_user(buf, dma_buf, bytes); + } + + return ret; +}

static const struct snd_soc_component_driver lpass_component_driver = { .name = DRV_NAME, @@ -837,9 +1242,11 @@ static const struct snd_soc_component_driver lpass_component_driver = { .prepare = lpass_platform_pcmops_prepare, .trigger = lpass_platform_pcmops_trigger, .pointer = lpass_platform_pcmops_pointer, + .mmap = lpass_platform_pcmops_mmap, .pcm_construct = lpass_platform_pcm_new, .suspend = lpass_platform_pcmops_suspend, .resume = lpass_platform_pcmops_resume, + .copy_user = lpass_platform_copy,

};

@@ -877,6 +1284,60 @@ int asoc_qcom_lpass_platform_register(struct platform_device *pdev) return ret; }

+ if (drvdata->codec_dma_enable) { + ret = regmap_write(drvdata->rxtx_lpaif_map, + LPAIF_RXTX_IRQEN_REG(v, LPAIF_IRQ_PORT_HOST), 0x0); + if (ret) { + dev_err(&pdev->dev, "error writing to rxtx irqen reg: %d\n", ret); + return ret; + } + ret = regmap_write(drvdata->va_lpaif_map, + LPAIF_VA_IRQEN_REG(v, LPAIF_IRQ_PORT_HOST), 0x0); + if (ret) { + dev_err(&pdev->dev, "error writing to rxtx irqen reg: %d\n", ret); + return ret; + } + drvdata->rxtxif_irq = platform_get_irq_byname(pdev, "lpass-irq-rxtxif"); + if (drvdata->rxtxif_irq < 0) + return -ENODEV; + + ret = devm_request_irq(&pdev->dev, drvdata->rxtxif_irq, + lpass_platform_rxtxif_irq, IRQF_TRIGGER_RISING, + "lpass-irq-rxtxif", drvdata); + if (ret) { + dev_err(&pdev->dev, "rxtx irq request failed: %d\n", ret); + return ret; + } + + ret = lpass_platform_alloc_rxtx_dmactl_fields(&pdev->dev, + drvdata->rxtx_lpaif_map); + if (ret) { + dev_err(&pdev->dev, + "error initializing rxtx dmactl fields: %d\n", ret); + return ret; + } + + drvdata->vaif_irq = platform_get_irq_byname(pdev, "lpass-irq-vaif"); + if (drvdata->vaif_irq < 0) + return -ENODEV; + + ret = devm_request_irq(&pdev->dev, drvdata->vaif_irq, + lpass_platform_vaif_irq, IRQF_TRIGGER_RISING, + "lpass-irq-vaif", drvdata); + if (ret) { + dev_err(&pdev->dev, "va irq request failed: %d\n", ret); + return ret; + } + + ret = lpass_platform_alloc_va_dmactl_fields(&pdev->dev, + drvdata->va_lpaif_map); + if (ret) { + dev_err(&pdev->dev, + "error initializing va dmactl fields: %d\n", ret); + return ret; + } + } + if (drvdata->hdmi_port_enable) { drvdata->hdmiif_irq = platform_get_irq_byname(pdev, "lpass-irq-hdmi"); if (drvdata->hdmiif_irq < 0)

Add bindings for sc7280 lpass cpu driver which supports audio over i2s based speaker, soundwire based headset, msm dmics and HDMI Port.

Signed-off-by: Srinivasa Rao Mandadapu quic_srivasam@quicinc.com Co-developed-by: Venkata Prasad Potturu quic_potturu@quicinc.com Signed-off-by: Venkata Prasad Potturu quic_potturu@quicinc.com --- .../devicetree/bindings/sound/qcom,lpass-cpu.yaml | 75 +++++++++++++++++++--- 1 file changed, 67 insertions(+), 8 deletions(-)

diff --git a/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml index 1e23c0e..2c81efb 100644 --- a/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml +++ b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml @@ -22,35 +22,41 @@ properties: - qcom,lpass-cpu - qcom,apq8016-lpass-cpu - qcom,sc7180-lpass-cpu + - qcom,sc7280-lpass-cpu

reg: - maxItems: 2 + minItems: 2 + maxItems: 6 description: LPAIF core registers

reg-names: - maxItems: 2 + minItems: 2 + maxItems: 6

clocks: minItems: 3 - maxItems: 6 + maxItems: 7

clock-names: minItems: 3 - maxItems: 6 + maxItems: 7

interrupts: - maxItems: 2 + minItems: 2 + maxItems: 4 description: LPAIF DMA buffer interrupt

interrupt-names: - maxItems: 2 + minItems: 2 + maxItems: 4

qcom,adsp: $ref: /schemas/types.yaml#/definitions/phandle description: Phandle for the audio DSP node

iommus: - maxItems: 2 + minItems: 2 + maxItems: 3 description: Phandle to apps_smmu node with sid mask

power-domains: @@ -69,7 +75,7 @@ patternProperties: "^dai-link@[0-9a-f]$": type: object description: | - LPASS CPU dai node for each I2S device. Bindings of each node + LPASS CPU dai node for each I2S device or Soundwire device. Bindings of each node depends on the specific driver providing the functionality and properties. properties: @@ -174,6 +180,59 @@ allOf: - iommus - power-domains

+ - if: + properties: + compatible: + contains: + const: qcom,sc7280-lpass-cpu + + then: + properties: + clock-names: + oneOf: + - items: #for I2S + - const: aon_cc_audio_hm_h + - const: core_cc_sysnoc_mport_core + - const: core_cc_ext_if1_ibit + - items: #for Soundwire + - const: aon_cc_audio_hm_h + - const: audio_cc_codec_mem0 + - const: audio_cc_codec_mem1 + - const: audio_cc_codec_mem2 + - items: #for HDMI + - const: aon_cc_audio_hm_h + + reg-names: + anyOf: + - items: #for I2S + - const: lpass-lpaif + - items: #for I2S and HDMI + - const: lpass-hdmiif + - const: lpass-lpaif + - items: #for I2S, soundwire and HDMI + - const: lpass-hdmiif + - const: lpass-lpaif + - const: lpass-rxtx-cdc-dma-lpm + - const: lpass-rxtx-lpaif + - const: lpass-va-lpaif + - const: lpass-va-cdc-dma-lpm + interrupt-names: + anyOf: + - items: #for I2S + - const: lpass-irq-lpaif + - items: #for I2S and HDMI + - const: lpass-irq-lpaif + - const: lpass-irq-hdmi + - items: #for I2S, soundwire and HDMI + - const: lpass-irq-lpaif + - const: lpass-irq-hdmi + - const: lpass-irq-vaif + - const: lpass-irq-rxtxif + + required: + - iommus + - power-domains + examples: - | #include <dt-bindings/sound/sc7180-lpass.h>

Add platform driver for configuring sc7280 lpass core I2S and DMA configuration to support playback & capture to external codecs connected over secondary MI2S interface and soundwire interface.

Signed-off-by: Srinivasa Rao Mandadapu quic_srivasam@quicinc.com Co-developed-by: Venkata Prasad Potturu quic_potturu@quicinc.com Signed-off-by: Venkata Prasad Potturu quic_potturu@quicinc.com Reviewed-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org --- sound/soc/qcom/lpass-sc7280.c | 441 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 441 insertions(+) create mode 100644 sound/soc/qcom/lpass-sc7280.c

diff --git a/sound/soc/qcom/lpass-sc7280.c b/sound/soc/qcom/lpass-sc7280.c new file mode 100644 index 0000000..5f53034 --- /dev/null +++ b/sound/soc/qcom/lpass-sc7280.c @@ -0,0 +1,441 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2020-2021, The Linux Foundation. All rights reserved. + * + * lpass-sc7180.c -- ALSA SoC platform-machine driver for QTi LPASS + */ + +#include <linux/module.h> +#include <sound/pcm.h> +#include <sound/soc.h> +#include <linux/pm_runtime.h> + +#include <dt-bindings/sound/sc7180-lpass.h> + +#include "lpass-lpaif-reg.h" +#include "lpass.h" + +static struct snd_soc_dai_driver sc7280_lpass_cpu_dai_driver[] = { + { + .id = MI2S_PRIMARY, + .name = "Primary MI2S", + .playback = { + .stream_name = "Primary Playback", + .formats = SNDRV_PCM_FMTBIT_S16, + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + }, + .capture = { + .stream_name = "Primary Capture", + .formats = SNDRV_PCM_FMTBIT_S16 | + SNDRV_PCM_FMTBIT_S32, + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + }, + .probe = &asoc_qcom_lpass_cpu_dai_probe, + .ops = &asoc_qcom_lpass_cpu_dai_ops, + }, { + .id = MI2S_SECONDARY, + .name = "Secondary MI2S", + .playback = { + .stream_name = "Secondary MI2S Playback", + .formats = SNDRV_PCM_FMTBIT_S16, + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + }, + .probe = &asoc_qcom_lpass_cpu_dai_probe, + .ops = &asoc_qcom_lpass_cpu_dai_ops, + }, { + .id = LPASS_DP_RX, + .name = "Hdmi", + .playback = { + .stream_name = "DP 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, + }, { + .id = LPASS_CDC_DMA_RX0, + .name = "CDC DMA RX", + .playback = { + .stream_name = "WCD Playback", + .formats = SNDRV_PCM_FMTBIT_S16, + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + }, + .ops = &asoc_qcom_lpass_cdc_dma_dai_ops, + }, { + .id = LPASS_CDC_DMA_TX3, + .name = "CDC DMA TX", + .capture = { + .stream_name = "WCD Capture", + .formats = SNDRV_PCM_FMTBIT_S16, + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, + .channels_min = 1, + .channels_max = 2, + }, + .ops = &asoc_qcom_lpass_cdc_dma_dai_ops, + }, { + .id = LPASS_CDC_DMA_VA_TX0, + .name = "CDC DMA VA", + .capture = { + .stream_name = "DMIC Capture", + .formats = SNDRV_PCM_FMTBIT_S16, + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 4, + }, + .ops = &asoc_qcom_lpass_cdc_dma_dai_ops, + }, +}; + +static int sc7280_lpass_alloc_dma_channel(struct lpass_data *drvdata, + int direction, unsigned int dai_id) +{ + struct lpass_variant *v = drvdata->variant; + int chan = 0; + + switch (dai_id) { + case MI2S_PRIMARY ... MI2S_QUINARY: + 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, + 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); + break; + case LPASS_DP_RX: + 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); + break; + case LPASS_CDC_DMA_RX0 ... LPASS_CDC_DMA_RX9: + chan = find_first_zero_bit(&drvdata->rxtx_dma_ch_bit_map, + v->rxtx_rdma_channels); + if (chan >= v->rxtx_rdma_channels) + return -EBUSY; + break; + case LPASS_CDC_DMA_TX0 ... LPASS_CDC_DMA_TX8: + chan = find_next_zero_bit(&drvdata->rxtx_dma_ch_bit_map, + v->rxtx_wrdma_channel_start + + v->rxtx_wrdma_channels, + v->rxtx_wrdma_channel_start); + if (chan >= v->rxtx_wrdma_channel_start + v->rxtx_wrdma_channels) + return -EBUSY; + set_bit(chan, &drvdata->rxtx_dma_ch_bit_map); + break; + case LPASS_CDC_DMA_VA_TX0 ... LPASS_CDC_DMA_VA_TX8: + chan = find_next_zero_bit(&drvdata->va_dma_ch_bit_map, + v->va_wrdma_channel_start + + v->va_wrdma_channels, + v->va_wrdma_channel_start); + if (chan >= v->va_wrdma_channel_start + v->va_wrdma_channels) + return -EBUSY; + set_bit(chan, &drvdata->va_dma_ch_bit_map); + break; + default: + break; + } + + return chan; +} + +static int sc7280_lpass_free_dma_channel(struct lpass_data *drvdata, int chan, unsigned int dai_id) +{ + switch (dai_id) { + case MI2S_PRIMARY ... MI2S_QUINARY: + clear_bit(chan, &drvdata->dma_ch_bit_map); + break; + case LPASS_DP_RX: + clear_bit(chan, &drvdata->hdmi_dma_ch_bit_map); + break; + case LPASS_CDC_DMA_RX0 ... LPASS_CDC_DMA_RX9: + case LPASS_CDC_DMA_TX0 ... LPASS_CDC_DMA_TX8: + clear_bit(chan, &drvdata->rxtx_dma_ch_bit_map); + break; + case LPASS_CDC_DMA_VA_TX0 ... LPASS_CDC_DMA_VA_TX8: + clear_bit(chan, &drvdata->va_dma_ch_bit_map); + break; + default: + break; + } + + return 0; +} + +static int sc7280_lpass_init(struct platform_device *pdev) +{ + struct lpass_data *drvdata = platform_get_drvdata(pdev); + struct lpass_variant *variant = drvdata->variant; + struct device *dev = &pdev->dev; + + drvdata->clks = devm_kcalloc(dev, variant->num_clks, + sizeof(*drvdata->clks), GFP_KERNEL); + if (!drvdata->clks) + return -ENOMEM; + + drvdata->num_clks = variant->num_clks; + + drvdata->aon_cc_audio_hm_h = devm_clk_get(dev, "lpass_aon_cc_audio_hm_h_clk"); + if (IS_ERR(drvdata->aon_cc_audio_hm_h)) + return PTR_ERR(drvdata->aon_cc_audio_hm_h); + drvdata->core_cc_sysnoc_mport_core = devm_clk_get(dev, + "lpass_core_cc_sysnoc_mport_core_clk"); + if (IS_ERR(drvdata->core_cc_sysnoc_mport_core)) + return PTR_ERR(drvdata->core_cc_sysnoc_mport_core); + + clk_prepare_enable(drvdata->aon_cc_audio_hm_h); + clk_prepare_enable(drvdata->core_cc_sysnoc_mport_core); + return 0; +} + +static int sc7280_lpass_exit(struct platform_device *pdev) +{ + struct lpass_data *drvdata = platform_get_drvdata(pdev); + + clk_disable_unprepare(drvdata->core_cc_sysnoc_mport_core); + clk_disable_unprepare(drvdata->aon_cc_audio_hm_h); + + return 0; +} + +static struct lpass_variant sc7280_data = { + .i2sctrl_reg_base = 0x1000, + .i2sctrl_reg_stride = 0x1000, + .i2s_ports = 3, + .irq_reg_base = 0x9000, + .irq_reg_stride = 0x1000, + .irq_ports = 3, + .rdma_reg_base = 0xC000, + .rdma_reg_stride = 0x1000, + .rdma_channels = 5, + .rxtx_rdma_reg_base = 0xC000, + .rxtx_rdma_reg_stride = 0x1000, + .rxtx_rdma_channels = 8, + .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, + .wrdma_channel_start = 5, + .wrdma_channels = 4, + .rxtx_irq_reg_base = 0x9000, + .rxtx_irq_reg_stride = 0x1000, + .rxtx_irq_ports = 3, + .rxtx_wrdma_reg_base = 0x18000, + .rxtx_wrdma_reg_stride = 0x1000, + .rxtx_wrdma_channel_start = 5, + .rxtx_wrdma_channels = 6, + .va_wrdma_reg_base = 0x18000, + .va_wrdma_reg_stride = 0x1000, + .va_wrdma_channel_start = 5, + .va_wrdma_channels = 3, + .va_irq_reg_base = 0x9000, + .va_irq_reg_stride = 0x1000, + .va_irq_ports = 3, + + .loopback = REG_FIELD_ID(0x1000, 17, 17, 3, 0x1000), + .spken = REG_FIELD_ID(0x1000, 16, 16, 3, 0x1000), + .spkmode = REG_FIELD_ID(0x1000, 11, 15, 3, 0x1000), + .spkmono = REG_FIELD_ID(0x1000, 10, 10, 3, 0x1000), + .micen = REG_FIELD_ID(0x1000, 9, 9, 3, 0x1000), + .micmode = REG_FIELD_ID(0x1000, 4, 8, 3, 0x1000), + .micmono = REG_FIELD_ID(0x1000, 3, 3, 3, 0x1000), + .wssrc = REG_FIELD_ID(0x1000, 2, 2, 3, 0x1000), + .bitwidth = REG_FIELD_ID(0x1000, 0, 1, 3, 0x1000), + + .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_fifowm = REG_FIELD_ID(0xC000, 1, 5, 5, 0x1000), + .rdma_enable = REG_FIELD_ID(0xC000, 0, 0, 5, 0x1000), + + .wrdma_dyncclk = REG_FIELD_ID(0x18000, 22, 22, 4, 0x1000), + .wrdma_bursten = REG_FIELD_ID(0x18000, 21, 21, 4, 0x1000), + .wrdma_wpscnt = REG_FIELD_ID(0x18000, 17, 20, 4, 0x1000), + .wrdma_intf = REG_FIELD_ID(0x18000, 12, 16, 4, 0x1000), + .wrdma_fifowm = REG_FIELD_ID(0x18000, 1, 5, 4, 0x1000), + .wrdma_enable = REG_FIELD_ID(0x18000, 0, 0, 4, 0x1000), + + .rxtx_rdma_enable = REG_FIELD_ID(0xC000, 0, 0, 7, 0x1000), + .rxtx_rdma_fifowm = REG_FIELD_ID(0xC000, 1, 11, 7, 0x1000), + .rxtx_rdma_intf = REG_FIELD_ID(0xC000, 12, 15, 7, 0x1000), + .rxtx_rdma_wpscnt = REG_FIELD_ID(0xC000, 16, 19, 7, 0x1000), + .rxtx_rdma_bursten = REG_FIELD_ID(0xC000, 20, 20, 7, 0x1000), + .rxtx_rdma_dyncclk = REG_FIELD_ID(0xC000, 21, 21, 7, 0x1000), + + .rxtx_rdma_codec_ch = REG_FIELD_ID(0xC050, 0, 7, 7, 0x1000), + .rxtx_rdma_codec_intf = REG_FIELD_ID(0xC050, 16, 19, 7, 0x1000), + .rxtx_rdma_codec_fs_delay = REG_FIELD_ID(0xC050, 21, 24, 7, 0x1000), + .rxtx_rdma_codec_fs_sel = REG_FIELD_ID(0xC050, 25, 27, 7, 0x1000), + .rxtx_rdma_codec_pack = REG_FIELD_ID(0xC050, 29, 29, 5, 0x1000), + .rxtx_rdma_codec_enable = REG_FIELD_ID(0xC050, 30, 30, 7, 0x1000), + + .rxtx_wrdma_enable = REG_FIELD_ID(0x18000, 0, 0, 5, 0x1000), + .rxtx_wrdma_fifowm = REG_FIELD_ID(0x18000, 1, 11, 5, 0x1000), + .rxtx_wrdma_intf = REG_FIELD_ID(0x18000, 12, 16, 5, 0x1000), + .rxtx_wrdma_wpscnt = REG_FIELD_ID(0x18000, 17, 20, 5, 0x1000), + .rxtx_wrdma_bursten = REG_FIELD_ID(0x18000, 21, 21, 5, 0x1000), + .rxtx_wrdma_dyncclk = REG_FIELD_ID(0x18000, 22, 22, 5, 0x1000), + + .rxtx_wrdma_codec_ch = REG_FIELD_ID(0x18050, 0, 7, 5, 0x1000), + .rxtx_wrdma_codec_intf = REG_FIELD_ID(0x18050, 16, 19, 5, 0x1000), + .rxtx_wrdma_codec_fs_delay = REG_FIELD_ID(0x18050, 21, 24, 5, 0x1000), + .rxtx_wrdma_codec_fs_sel = REG_FIELD_ID(0x18050, 25, 27, 5, 0x1000), + .rxtx_wrdma_codec_pack = REG_FIELD_ID(0x18050, 29, 29, 5, 0x1000), + .rxtx_wrdma_codec_enable = REG_FIELD_ID(0x18050, 30, 30, 5, 0x1000), + + .va_wrdma_enable = REG_FIELD_ID(0x18000, 0, 0, 5, 0x1000), + .va_wrdma_fifowm = REG_FIELD_ID(0x18000, 1, 11, 5, 0x1000), + .va_wrdma_intf = REG_FIELD_ID(0x18000, 12, 16, 5, 0x1000), + .va_wrdma_wpscnt = REG_FIELD_ID(0x18000, 17, 20, 5, 0x1000), + .va_wrdma_bursten = REG_FIELD_ID(0x18000, 21, 21, 5, 0x1000), + .va_wrdma_dyncclk = REG_FIELD_ID(0x18000, 22, 22, 5, 0x1000), + + .va_wrdma_codec_ch = REG_FIELD_ID(0x18050, 0, 7, 5, 0x1000), + .va_wrdma_codec_intf = REG_FIELD_ID(0x18050, 16, 19, 5, 0x1000), + .va_wrdma_codec_fs_delay = REG_FIELD_ID(0x18050, 21, 24, 5, 0x1000), + .va_wrdma_codec_fs_sel = REG_FIELD_ID(0x18050, 25, 27, 5, 0x1000), + .va_wrdma_codec_pack = REG_FIELD_ID(0x18050, 29, 29, 5, 0x1000), + .va_wrdma_codec_enable = REG_FIELD_ID(0x18050, 30, 30, 5, 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*[]) { + "lpass_aon_cc_audio_hm_h_clk", + "lpass_core_cc_sysnoc_mport_core_clk" + }, + .num_clks = 2, + .cdc_dma_clk_names = (const char*[]) { + "lpass_audio_cc_codec_mem0_clk", + "lpass_audio_cc_codec_mem1_clk", + "lpass_audio_cc_codec_mem2_clk", + "lpass_aon_cc_va_mem0_clk" + }, + .cdc_dma_num_clks = 4, + .dai_driver = sc7280_lpass_cpu_dai_driver, + .num_dai = ARRAY_SIZE(sc7280_lpass_cpu_dai_driver), + .dai_osr_clk_names = (const char *[]) { + "null", + "null" + }, + .dai_bit_clk_names = (const char *[]) { + "lpass_core_cc_ext_if0_ibit_clk", + "lpass_core_cc_ext_if1_ibit_clk" + }, + .init = sc7280_lpass_init, + .exit = sc7280_lpass_exit, + .alloc_dma_channel = sc7280_lpass_alloc_dma_channel, + .free_dma_channel = sc7280_lpass_free_dma_channel, +}; + +static const struct of_device_id sc7280_lpass_cpu_device_id[] = { + {.compatible = "qcom,sc7280-lpass-cpu", .data = &sc7280_data}, + {} +}; +MODULE_DEVICE_TABLE(of, sc7280_lpass_cpu_device_id); + +static struct platform_driver sc7280_lpass_cpu_platform_driver = { + .driver = { + .name = "sc7280-lpass-cpu", + .of_match_table = of_match_ptr(sc7280_lpass_cpu_device_id), + }, + .probe = asoc_qcom_lpass_cpu_platform_probe, + .remove = asoc_qcom_lpass_cpu_platform_remove, + .shutdown = asoc_qcom_lpass_cpu_platform_shutdown, +}; + +module_platform_driver(sc7280_lpass_cpu_platform_driver); + +MODULE_DESCRIPTION("SC7280 LPASS CPU DRIVER"); +MODULE_LICENSE("GPL");