From f65cf7d666371562ef83b487a31e73642f3a3564 Mon Sep 17 00:00:00 2001 From: Yong Zhi Date: Thu, 26 May 2016 21:30:15 -0700 Subject: [PATCH] ASoC: Intel: Skylake: Add api to retrieve dmic array info from nhlt Skylake can be configured with either both 2 and 4 channel DMIC array, or 2 channel DMIC array only, this patch provides an API to retrieve the DMIC info from nhlt. Signed-off-by: Yong Zhi Acked-by: Vinod Koul Signed-off-by: Mark Brown --- sound/soc/intel/skylake/skl-nhlt.c | 40 ++++++++++++++++++++++++++++++ sound/soc/intel/skylake/skl-nhlt.h | 22 ++++++++++++++++ sound/soc/intel/skylake/skl.c | 12 +++++++-- sound/soc/intel/skylake/skl.h | 6 +++++ 4 files changed, 78 insertions(+), 2 deletions(-) diff --git a/sound/soc/intel/skylake/skl-nhlt.c b/sound/soc/intel/skylake/skl-nhlt.c index 7d73648e5f9a..3f8e6f0b7eb5 100644 --- a/sound/soc/intel/skylake/skl-nhlt.c +++ b/sound/soc/intel/skylake/skl-nhlt.c @@ -17,6 +17,7 @@ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * */ +#include #include "skl.h" /* Unique identification for getting NHLT blobs */ @@ -149,6 +150,45 @@ struct nhlt_specific_cfg return NULL; } +int skl_get_dmic_geo(struct skl *skl) +{ + struct nhlt_acpi_table *nhlt = (struct nhlt_acpi_table *)skl->nhlt; + struct nhlt_endpoint *epnt; + struct nhlt_dmic_array_config *cfg; + struct device *dev = &skl->pci->dev; + unsigned int dmic_geo = 0; + u8 j; + + epnt = (struct nhlt_endpoint *)nhlt->desc; + + for (j = 0; j < nhlt->endpoint_count; j++) { + if (epnt->linktype == NHLT_LINK_DMIC) { + cfg = (struct nhlt_dmic_array_config *) + (epnt->config.caps); + switch (cfg->array_type) { + case NHLT_MIC_ARRAY_2CH_SMALL: + case NHLT_MIC_ARRAY_2CH_BIG: + dmic_geo |= MIC_ARRAY_2CH; + break; + + case NHLT_MIC_ARRAY_4CH_1ST_GEOM: + case NHLT_MIC_ARRAY_4CH_L_SHAPED: + case NHLT_MIC_ARRAY_4CH_2ND_GEOM: + dmic_geo |= MIC_ARRAY_4CH; + break; + + default: + dev_warn(dev, "undefined DMIC array_type 0x%0x\n", + cfg->array_type); + + } + } + epnt = (struct nhlt_endpoint *)((u8 *)epnt + epnt->length); + } + + return dmic_geo; +} + static void skl_nhlt_trim_space(struct skl *skl) { char *s = skl->tplg_name; diff --git a/sound/soc/intel/skylake/skl-nhlt.h b/sound/soc/intel/skylake/skl-nhlt.h index 3769f9fefe2b..116534e7b3c5 100644 --- a/sound/soc/intel/skylake/skl-nhlt.h +++ b/sound/soc/intel/skylake/skl-nhlt.h @@ -103,4 +103,26 @@ struct nhlt_resource_desc { u64 length; } __packed; +#define MIC_ARRAY_2CH 2 +#define MIC_ARRAY_4CH 4 + +struct nhlt_tdm_config { + u8 virtual_slot; + u8 config_type; +} __packed; + +struct nhlt_dmic_array_config { + struct nhlt_tdm_config tdm_config; + u8 array_type; +} __packed; + +enum { + NHLT_MIC_ARRAY_2CH_SMALL = 0xa, + NHLT_MIC_ARRAY_2CH_BIG = 0xb, + NHLT_MIC_ARRAY_4CH_1ST_GEOM = 0xc, + NHLT_MIC_ARRAY_4CH_L_SHAPED = 0xd, + NHLT_MIC_ARRAY_4CH_2ND_GEOM = 0xe, + NHLT_MIC_ARRAY_VENDOR_DEFINED = 0xf, +}; + #endif diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c index 06d8c263c68f..b0f7226b878f 100644 --- a/sound/soc/intel/skylake/skl.c +++ b/sound/soc/intel/skylake/skl.c @@ -35,6 +35,8 @@ #include "skl-sst-dsp.h" #include "skl-sst-ipc.h" +static struct skl_machine_pdata skl_dmic_data; + /* * initialize the PCI registers */ @@ -397,6 +399,10 @@ static int skl_machine_device_register(struct skl *skl, void *driver_data) platform_device_put(pdev); return -EIO; } + + if (mach->pdata) + dev_set_drvdata(&pdev->dev, mach->pdata); + skl->i2s_dev = pdev; return 0; @@ -666,6 +672,8 @@ static int skl_probe(struct pci_dev *pci, pci_set_drvdata(skl->pci, ebus); + skl_dmic_data.dmic_num = skl_get_dmic_geo(skl); + /* check if dsp is there */ if (ebus->ppcap) { err = skl_machine_device_register(skl, @@ -787,9 +795,9 @@ static void skl_remove(struct pci_dev *pci) static struct sst_acpi_mach sst_skl_devdata[] = { { "INT343A", "skl_alc286s_i2s", "intel/dsp_fw_release.bin", NULL, NULL, NULL }, { "INT343B", "skl_nau88l25_ssm4567_i2s", "intel/dsp_fw_release.bin", - NULL, NULL, NULL }, + NULL, NULL, &skl_dmic_data }, { "MX98357A", "skl_nau88l25_max98357a_i2s", "intel/dsp_fw_release.bin", - NULL, NULL, NULL }, + NULL, NULL, &skl_dmic_data }, {} }; diff --git a/sound/soc/intel/skylake/skl.h b/sound/soc/intel/skylake/skl.h index 4b4b3876aea9..f66be173f86b 100644 --- a/sound/soc/intel/skylake/skl.h +++ b/sound/soc/intel/skylake/skl.h @@ -90,6 +90,11 @@ struct skl_dma_params { u8 stream_tag; }; +/* to pass dmic data */ +struct skl_machine_pdata { + u32 dmic_num; +}; + struct skl_dsp_ops { int id; struct skl_dsp_loader_ops (*loader_ops)(void); @@ -108,6 +113,7 @@ void skl_nhlt_free(struct nhlt_acpi_table *addr); struct nhlt_specific_cfg *skl_get_ep_blob(struct skl *skl, u32 instance, u8 link_type, u8 s_fmt, u8 no_ch, u32 s_rate, u8 dirn); +int skl_get_dmic_geo(struct skl *skl); int skl_nhlt_update_topology_bin(struct skl *skl); int skl_init_dsp(struct skl *skl); int skl_free_dsp(struct skl *skl); -- 2.39.5