Move existing function in common library to make sure the code can be reused by other SoC vendors.
No functionality change outside of the move and added prefix.
Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com Reviewed-by: Rander Wang rander.wang@intel.com Reviewed-by: Bard Liao yung-chuan.liao@linux.intel.com --- include/linux/soundwire/sdw.h | 5 ++ include/linux/soundwire/sdw_intel.h | 7 +-- include/sound/soc-acpi.h | 6 +++ sound/soc/soc-acpi.c | 73 +++++++++++++++++++++++++++ sound/soc/sof/intel/hda.c | 76 ++--------------------------- 5 files changed, 88 insertions(+), 79 deletions(-)
diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h index f523ceabd059..f248f9a6cd55 100644 --- a/include/linux/soundwire/sdw.h +++ b/include/linux/soundwire/sdw.h @@ -482,6 +482,11 @@ struct sdw_slave_id { __u8 sdw_version:4; };
+struct sdw_extended_slave_id { + int link_id; + struct sdw_slave_id id; +}; + /* * Helper macros to extract the MIPI-defined IDs * diff --git a/include/linux/soundwire/sdw_intel.h b/include/linux/soundwire/sdw_intel.h index 11fc88fb0d78..fa67fad4ef51 100644 --- a/include/linux/soundwire/sdw_intel.h +++ b/include/linux/soundwire/sdw_intel.h @@ -264,11 +264,6 @@ struct sdw_intel_link_dev; */ #define SDW_INTEL_CLK_STOP_BUS_RESET BIT(3)
-struct sdw_intel_slave_id { - int link_id; - struct sdw_slave_id id; -}; - struct hdac_bus;
/** @@ -298,7 +293,7 @@ struct sdw_intel_ctx { int num_slaves; acpi_handle handle; struct sdw_intel_link_dev **ldev; - struct sdw_intel_slave_id *ids; + struct sdw_extended_slave_id *ids; struct list_head link_list; struct mutex shim_lock; /* lock for access to shared SHIM registers */ u32 shim_mask; diff --git a/include/sound/soc-acpi.h b/include/sound/soc-acpi.h index 528279056b3a..630bf7367fe6 100644 --- a/include/sound/soc-acpi.h +++ b/include/sound/soc-acpi.h @@ -9,6 +9,7 @@ #include <linux/stddef.h> #include <linux/acpi.h> #include <linux/mod_devicetable.h> +#include <linux/soundwire/sdw.h>
struct snd_soc_acpi_package_context { char *name; /* package name */ @@ -208,4 +209,9 @@ static inline bool snd_soc_acpi_sof_parent(struct device *dev) !strncmp(dev->parent->driver->name, "sof-audio-acpi", strlen("sof-audio-acpi")); }
+bool snd_soc_acpi_sdw_link_slaves_found(struct device *dev, + const struct snd_soc_acpi_link_adr *link, + struct sdw_extended_slave_id *ids, + int num_slaves); + #endif diff --git a/sound/soc/soc-acpi.c b/sound/soc/soc-acpi.c index 142476f1396f..9319e9b2a033 100644 --- a/sound/soc/soc-acpi.c +++ b/sound/soc/soc-acpi.c @@ -125,5 +125,78 @@ struct snd_soc_acpi_mach *snd_soc_acpi_codec_list(void *arg) } EXPORT_SYMBOL_GPL(snd_soc_acpi_codec_list);
+#define SDW_CODEC_ADR_MASK(_adr) ((_adr) & (SDW_DISCO_LINK_ID_MASK | SDW_VERSION_MASK | \ + SDW_MFG_ID_MASK | SDW_PART_ID_MASK)) + +/* Check if all Slaves defined on the link can be found */ +bool snd_soc_acpi_sdw_link_slaves_found(struct device *dev, + const struct snd_soc_acpi_link_adr *link, + struct sdw_extended_slave_id *ids, + int num_slaves) +{ + unsigned int part_id, link_id, unique_id, mfg_id, version; + int i, j, k; + + for (i = 0; i < link->num_adr; i++) { + u64 adr = link->adr_d[i].adr; + int reported_part_count = 0; + + mfg_id = SDW_MFG_ID(adr); + part_id = SDW_PART_ID(adr); + link_id = SDW_DISCO_LINK_ID(adr); + version = SDW_VERSION(adr); + + for (j = 0; j < num_slaves; j++) { + /* find out how many identical parts were reported on that link */ + if (ids[j].link_id == link_id && + ids[j].id.part_id == part_id && + ids[j].id.mfg_id == mfg_id && + ids[j].id.sdw_version == version) + reported_part_count++; + } + + for (j = 0; j < num_slaves; j++) { + int expected_part_count = 0; + + if (ids[j].link_id != link_id || + ids[j].id.part_id != part_id || + ids[j].id.mfg_id != mfg_id || + ids[j].id.sdw_version != version) + continue; + + /* find out how many identical parts are expected */ + for (k = 0; k < link->num_adr; k++) { + u64 adr2 = link->adr_d[k].adr; + + if (SDW_CODEC_ADR_MASK(adr2) == SDW_CODEC_ADR_MASK(adr)) + expected_part_count++; + } + + if (reported_part_count == expected_part_count) { + /* + * we have to check unique id + * if there is more than one + * Slave on the link + */ + unique_id = SDW_UNIQUE_ID(adr); + if (reported_part_count == 1 || + ids[j].id.unique_id == unique_id) { + dev_dbg(dev, "found %x at link %d\n", part_id, link_id); + break; + } + } else { + dev_dbg(dev, "part %x reported %d expected %d on link %d, skipping\n", + part_id, reported_part_count, expected_part_count, link_id); + } + } + if (j == num_slaves) { + dev_dbg(dev, "Slave %x not found\n", part_id); + return false; + } + } + return true; +} +EXPORT_SYMBOL_GPL(snd_soc_acpi_sdw_link_slaves_found); + MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("ALSA SoC ACPI module"); diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c index 6d9fafb58581..a77c0a52dcad 100644 --- a/sound/soc/sof/intel/hda.c +++ b/sound/soc/sof/intel/hda.c @@ -1429,78 +1429,6 @@ static void hda_generic_machine_select(struct snd_sof_dev *sdev,
#if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
-#define SDW_CODEC_ADR_MASK(_adr) ((_adr) & (SDW_DISCO_LINK_ID_MASK | SDW_VERSION_MASK | \ - SDW_MFG_ID_MASK | SDW_PART_ID_MASK)) - -/* Check if all Slaves defined on the link can be found */ -static bool link_slaves_found(struct device *dev, - const struct snd_soc_acpi_link_adr *link, - struct sdw_intel_slave_id *ids, - int num_slaves) -{ - unsigned int part_id, link_id, unique_id, mfg_id, version; - int i, j, k; - - for (i = 0; i < link->num_adr; i++) { - u64 adr = link->adr_d[i].adr; - int reported_part_count = 0; - - mfg_id = SDW_MFG_ID(adr); - part_id = SDW_PART_ID(adr); - link_id = SDW_DISCO_LINK_ID(adr); - version = SDW_VERSION(adr); - - for (j = 0; j < num_slaves; j++) { - /* find out how many identical parts were reported on that link */ - if (ids[j].link_id == link_id && - ids[j].id.part_id == part_id && - ids[j].id.mfg_id == mfg_id && - ids[j].id.sdw_version == version) - reported_part_count++; - } - - for (j = 0; j < num_slaves; j++) { - int expected_part_count = 0; - - if (ids[j].link_id != link_id || - ids[j].id.part_id != part_id || - ids[j].id.mfg_id != mfg_id || - ids[j].id.sdw_version != version) - continue; - - /* find out how many identical parts are expected */ - for (k = 0; k < link->num_adr; k++) { - u64 adr2 = link->adr_d[k].adr; - - if (SDW_CODEC_ADR_MASK(adr2) == SDW_CODEC_ADR_MASK(adr)) - expected_part_count++; - } - - if (reported_part_count == expected_part_count) { - /* - * we have to check unique id - * if there is more than one - * Slave on the link - */ - unique_id = SDW_UNIQUE_ID(adr); - if (reported_part_count == 1 || - ids[j].id.unique_id == unique_id) { - dev_dbg(dev, "found %x at link %d\n", part_id, link_id); - break; - } - } else { - dev_dbg(dev, "part %x reported %d expected %d on link %d, skipping\n", - part_id, reported_part_count, expected_part_count, link_id); - } - } - if (j == num_slaves) { - dev_dbg(dev, "Slave %x not found\n", part_id); - return false; - } - } - return true; -} - static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev) { struct snd_sof_pdata *pdata = sdev->pdata; @@ -1544,7 +1472,9 @@ static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev * Try next machine if any expected Slaves * are not found on this link. */ - if (!link_slaves_found(sdev->dev, link, hdev->sdw->ids, hdev->sdw->num_slaves)) + if (!snd_soc_acpi_sdw_link_slaves_found(sdev->dev, link, + hdev->sdw->ids, + hdev->sdw->num_slaves)) break; } /* Found if all Slaves are checked */