diff options
Diffstat (limited to 'sound/soc/sdca/sdca_functions.c')
| -rw-r--r-- | sound/soc/sdca/sdca_functions.c | 1697 |
1 files changed, 1690 insertions, 7 deletions
diff --git a/sound/soc/sdca/sdca_functions.c b/sound/soc/sdca/sdca_functions.c index 38071bc838b9..493f390f087a 100644 --- a/sound/soc/sdca/sdca_functions.c +++ b/sound/soc/sdca/sdca_functions.c @@ -9,7 +9,10 @@ #define dev_fmt(fmt) "%s: " fmt, __func__ #include <linux/acpi.h> +#include <linux/byteorder/generic.h> +#include <linux/cleanup.h> #include <linux/device.h> +#include <linux/dev_printk.h> #include <linux/module.h> #include <linux/property.h> #include <linux/soundwire/sdw.h> @@ -17,11 +20,16 @@ #include <sound/sdca.h> #include <sound/sdca_function.h> +/* + * Should be long enough to encompass all the MIPI DisCo properties. + */ +#define SDCA_PROPERTY_LENGTH 64 + static int patch_sdca_function_type(u32 interface_revision, u32 *function_type) { /* * Unfortunately early SDCA specifications used different indices for Functions, - * for backwards compatibility we have to reorder the values found + * for backwards compatibility we have to reorder the values found. */ if (interface_revision < 0x0801) { switch (*function_type) { @@ -85,7 +93,7 @@ static int find_sdca_function(struct acpi_device *adev, void *data) struct fwnode_handle *control5; /* used to identify function type */ const char *function_name; u32 function_type; - int func_index; + int function_index; u64 addr; int ret; @@ -145,27 +153,1702 @@ static int find_sdca_function(struct acpi_device *adev, void *data) function_name, function_type, addr); /* store results */ - func_index = sdca_data->num_functions; - sdca_data->sdca_func[func_index].adr = addr; - sdca_data->sdca_func[func_index].type = function_type; - sdca_data->sdca_func[func_index].name = function_name; + function_index = sdca_data->num_functions; + sdca_data->function[function_index].adr = addr; + sdca_data->function[function_index].type = function_type; + sdca_data->function[function_index].name = function_name; + sdca_data->function[function_index].node = function_node; sdca_data->num_functions++; return 0; } +/** + * sdca_lookup_functions - Parse sdca_device_desc for each Function + * @slave: SoundWire slave device to be processed. + * + * Iterate through the available SDCA Functions and fill in a short + * descriptor (struct sdca_function_desc) for each function, this + * information is stored along with the SoundWire slave device and + * used for adding drivers and quirks before the devices have fully + * probed. + */ void sdca_lookup_functions(struct sdw_slave *slave) { struct device *dev = &slave->dev; struct acpi_device *adev = to_acpi_device_node(dev->fwnode); if (!adev) { - dev_info(dev, "No matching ACPI device found, ignoring peripheral\n"); + dev_info(dev, "no matching ACPI device found, ignoring peripheral\n"); return; } + acpi_dev_for_each_child(adev, find_sdca_function, &slave->sdca_data); } EXPORT_SYMBOL_NS(sdca_lookup_functions, "SND_SOC_SDCA"); +struct raw_init_write { + __le32 addr; + u8 val; +} __packed; + +static int find_sdca_init_table(struct device *dev, + struct fwnode_handle *function_node, + struct sdca_function_data *function) +{ + struct raw_init_write *raw __free(kfree) = NULL; + struct sdca_init_write *init_write; + int i, num_init_writes; + + num_init_writes = fwnode_property_count_u8(function_node, + "mipi-sdca-function-initialization-table"); + if (!num_init_writes || num_init_writes == -EINVAL) { + return 0; + } else if (num_init_writes < 0) { + dev_err(dev, "%pfwP: failed to read initialization table: %d\n", + function_node, num_init_writes); + return num_init_writes; + } else if (num_init_writes % sizeof(*raw) != 0) { + dev_err(dev, "%pfwP: init table size invalid\n", function_node); + return -EINVAL; + } else if (num_init_writes > SDCA_MAX_INIT_COUNT) { + dev_err(dev, "%pfwP: maximum init table size exceeded\n", function_node); + return -EINVAL; + } + + raw = kzalloc(num_init_writes, GFP_KERNEL); + if (!raw) + return -ENOMEM; + + fwnode_property_read_u8_array(function_node, + "mipi-sdca-function-initialization-table", + (u8 *)raw, num_init_writes); + + num_init_writes /= sizeof(*raw); + + init_write = devm_kcalloc(dev, num_init_writes, sizeof(*init_write), GFP_KERNEL); + if (!init_write) + return -ENOMEM; + + for (i = 0; i < num_init_writes; i++) { + init_write[i].addr = le32_to_cpu(raw[i].addr); + init_write[i].val = raw[i].val; + } + + function->num_init_table = num_init_writes; + function->init_table = init_write; + + return 0; +} + +static const char *find_sdca_control_label(struct device *dev, + const struct sdca_entity *entity, + const struct sdca_control *control) +{ + switch (SDCA_CTL_TYPE(entity->type, control->sel)) { + case SDCA_CTL_TYPE_S(IT, MIC_BIAS): + return SDCA_CTL_MIC_BIAS_NAME; + case SDCA_CTL_TYPE_S(IT, USAGE): + case SDCA_CTL_TYPE_S(OT, USAGE): + return SDCA_CTL_USAGE_NAME; + case SDCA_CTL_TYPE_S(IT, LATENCY): + case SDCA_CTL_TYPE_S(OT, LATENCY): + case SDCA_CTL_TYPE_S(MU, LATENCY): + case SDCA_CTL_TYPE_S(SU, LATENCY): + case SDCA_CTL_TYPE_S(FU, LATENCY): + case SDCA_CTL_TYPE_S(XU, LATENCY): + case SDCA_CTL_TYPE_S(CRU, LATENCY): + case SDCA_CTL_TYPE_S(UDMPU, LATENCY): + case SDCA_CTL_TYPE_S(MFPU, LATENCY): + case SDCA_CTL_TYPE_S(SMPU, LATENCY): + case SDCA_CTL_TYPE_S(SAPU, LATENCY): + case SDCA_CTL_TYPE_S(PPU, LATENCY): + return SDCA_CTL_LATENCY_NAME; + case SDCA_CTL_TYPE_S(IT, CLUSTERINDEX): + case SDCA_CTL_TYPE_S(CRU, CLUSTERINDEX): + case SDCA_CTL_TYPE_S(UDMPU, CLUSTERINDEX): + case SDCA_CTL_TYPE_S(MFPU, CLUSTERINDEX): + return SDCA_CTL_CLUSTERINDEX_NAME; + case SDCA_CTL_TYPE_S(IT, DATAPORT_SELECTOR): + case SDCA_CTL_TYPE_S(OT, DATAPORT_SELECTOR): + return SDCA_CTL_DATAPORT_SELECTOR_NAME; + case SDCA_CTL_TYPE_S(IT, MATCHING_GUID): + case SDCA_CTL_TYPE_S(OT, MATCHING_GUID): + case SDCA_CTL_TYPE_S(ENTITY_0, MATCHING_GUID): + return SDCA_CTL_MATCHING_GUID_NAME; + case SDCA_CTL_TYPE_S(IT, KEEP_ALIVE): + case SDCA_CTL_TYPE_S(OT, KEEP_ALIVE): + return SDCA_CTL_KEEP_ALIVE_NAME; + case SDCA_CTL_TYPE_S(IT, NDAI_STREAM): + case SDCA_CTL_TYPE_S(OT, NDAI_STREAM): + return SDCA_CTL_NDAI_STREAM_NAME; + case SDCA_CTL_TYPE_S(IT, NDAI_CATEGORY): + case SDCA_CTL_TYPE_S(OT, NDAI_CATEGORY): + return SDCA_CTL_NDAI_CATEGORY_NAME; + case SDCA_CTL_TYPE_S(IT, NDAI_CODINGTYPE): + case SDCA_CTL_TYPE_S(OT, NDAI_CODINGTYPE): + return SDCA_CTL_NDAI_CODINGTYPE_NAME; + case SDCA_CTL_TYPE_S(IT, NDAI_PACKETTYPE): + case SDCA_CTL_TYPE_S(OT, NDAI_PACKETTYPE): + return SDCA_CTL_NDAI_PACKETTYPE_NAME; + case SDCA_CTL_TYPE_S(MU, MIXER): + return SDCA_CTL_MIXER_NAME; + case SDCA_CTL_TYPE_S(SU, SELECTOR): + return SDCA_CTL_SELECTOR_NAME; + case SDCA_CTL_TYPE_S(FU, MUTE): + return SDCA_CTL_MUTE_NAME; + case SDCA_CTL_TYPE_S(FU, CHANNEL_VOLUME): + return SDCA_CTL_CHANNEL_VOLUME_NAME; + case SDCA_CTL_TYPE_S(FU, AGC): + return SDCA_CTL_AGC_NAME; + case SDCA_CTL_TYPE_S(FU, BASS_BOOST): + return SDCA_CTL_BASS_BOOST_NAME; + case SDCA_CTL_TYPE_S(FU, LOUDNESS): + return SDCA_CTL_LOUDNESS_NAME; + case SDCA_CTL_TYPE_S(FU, GAIN): + return SDCA_CTL_GAIN_NAME; + case SDCA_CTL_TYPE_S(XU, BYPASS): + case SDCA_CTL_TYPE_S(MFPU, BYPASS): + return SDCA_CTL_BYPASS_NAME; + case SDCA_CTL_TYPE_S(XU, XU_ID): + return SDCA_CTL_XU_ID_NAME; + case SDCA_CTL_TYPE_S(XU, XU_VERSION): + return SDCA_CTL_XU_VERSION_NAME; + case SDCA_CTL_TYPE_S(XU, FDL_CURRENTOWNER): + return SDCA_CTL_FDL_CURRENTOWNER_NAME; + case SDCA_CTL_TYPE_S(XU, FDL_MESSAGEOFFSET): + return SDCA_CTL_FDL_MESSAGEOFFSET_NAME; + case SDCA_CTL_TYPE_S(XU, FDL_MESSAGELENGTH): + return SDCA_CTL_FDL_MESSAGELENGTH_NAME; + case SDCA_CTL_TYPE_S(XU, FDL_STATUS): + return SDCA_CTL_FDL_STATUS_NAME; + case SDCA_CTL_TYPE_S(XU, FDL_SET_INDEX): + return SDCA_CTL_FDL_SET_INDEX_NAME; + case SDCA_CTL_TYPE_S(XU, FDL_HOST_REQUEST): + return SDCA_CTL_FDL_HOST_REQUEST_NAME; + case SDCA_CTL_TYPE_S(CS, CLOCK_VALID): + return SDCA_CTL_CLOCK_VALID_NAME; + case SDCA_CTL_TYPE_S(CS, SAMPLERATEINDEX): + return SDCA_CTL_SAMPLERATEINDEX_NAME; + case SDCA_CTL_TYPE_S(CX, CLOCK_SELECT): + return SDCA_CTL_CLOCK_SELECT_NAME; + case SDCA_CTL_TYPE_S(PDE, REQUESTED_PS): + return SDCA_CTL_REQUESTED_PS_NAME; + case SDCA_CTL_TYPE_S(PDE, ACTUAL_PS): + return SDCA_CTL_ACTUAL_PS_NAME; + case SDCA_CTL_TYPE_S(GE, SELECTED_MODE): + return SDCA_CTL_SELECTED_MODE_NAME; + case SDCA_CTL_TYPE_S(GE, DETECTED_MODE): + return SDCA_CTL_DETECTED_MODE_NAME; + case SDCA_CTL_TYPE_S(SPE, PRIVATE): + return SDCA_CTL_PRIVATE_NAME; + case SDCA_CTL_TYPE_S(SPE, PRIVACY_POLICY): + return SDCA_CTL_PRIVACY_POLICY_NAME; + case SDCA_CTL_TYPE_S(SPE, PRIVACY_LOCKSTATE): + return SDCA_CTL_PRIVACY_LOCKSTATE_NAME; + case SDCA_CTL_TYPE_S(SPE, PRIVACY_OWNER): + return SDCA_CTL_PRIVACY_OWNER_NAME; + case SDCA_CTL_TYPE_S(SPE, AUTHTX_CURRENTOWNER): + return SDCA_CTL_AUTHTX_CURRENTOWNER_NAME; + case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGEOFFSET): + return SDCA_CTL_AUTHTX_MESSAGEOFFSET_NAME; + case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGELENGTH): + return SDCA_CTL_AUTHTX_MESSAGELENGTH_NAME; + case SDCA_CTL_TYPE_S(SPE, AUTHRX_CURRENTOWNER): + return SDCA_CTL_AUTHRX_CURRENTOWNER_NAME; + case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGEOFFSET): + return SDCA_CTL_AUTHRX_MESSAGEOFFSET_NAME; + case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGELENGTH): + return SDCA_CTL_AUTHRX_MESSAGELENGTH_NAME; + case SDCA_CTL_TYPE_S(UDMPU, ACOUSTIC_ENERGY_LEVEL_MONITOR): + return SDCA_CTL_ACOUSTIC_ENERGY_LEVEL_MONITOR_NAME; + case SDCA_CTL_TYPE_S(UDMPU, ULTRASOUND_LOOP_GAIN): + return SDCA_CTL_ULTRASOUND_LOOP_GAIN_NAME; + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_0): + return SDCA_CTL_OPAQUESET_0_NAME; + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_1): + return SDCA_CTL_OPAQUESET_1_NAME; + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_2): + return SDCA_CTL_OPAQUESET_2_NAME; + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_3): + return SDCA_CTL_OPAQUESET_3_NAME; + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_4): + return SDCA_CTL_OPAQUESET_4_NAME; + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_5): + return SDCA_CTL_OPAQUESET_5_NAME; + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_6): + return SDCA_CTL_OPAQUESET_6_NAME; + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_7): + return SDCA_CTL_OPAQUESET_7_NAME; + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_8): + return SDCA_CTL_OPAQUESET_8_NAME; + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_9): + return SDCA_CTL_OPAQUESET_9_NAME; + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_10): + return SDCA_CTL_OPAQUESET_10_NAME; + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_11): + return SDCA_CTL_OPAQUESET_11_NAME; + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_12): + return SDCA_CTL_OPAQUESET_12_NAME; + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_13): + return SDCA_CTL_OPAQUESET_13_NAME; + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_14): + return SDCA_CTL_OPAQUESET_14_NAME; + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_15): + return SDCA_CTL_OPAQUESET_15_NAME; + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_16): + return SDCA_CTL_OPAQUESET_16_NAME; + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_17): + return SDCA_CTL_OPAQUESET_17_NAME; + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_18): + return SDCA_CTL_OPAQUESET_18_NAME; + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_19): + return SDCA_CTL_OPAQUESET_19_NAME; + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_20): + return SDCA_CTL_OPAQUESET_20_NAME; + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_21): + return SDCA_CTL_OPAQUESET_21_NAME; + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_22): + return SDCA_CTL_OPAQUESET_22_NAME; + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_23): + return SDCA_CTL_OPAQUESET_23_NAME; + case SDCA_CTL_TYPE_S(MFPU, ALGORITHM_READY): + return SDCA_CTL_ALGORITHM_READY_NAME; + case SDCA_CTL_TYPE_S(MFPU, ALGORITHM_ENABLE): + return SDCA_CTL_ALGORITHM_ENABLE_NAME; + case SDCA_CTL_TYPE_S(MFPU, ALGORITHM_PREPARE): + return SDCA_CTL_ALGORITHM_PREPARE_NAME; + case SDCA_CTL_TYPE_S(MFPU, CENTER_FREQUENCY_INDEX): + return SDCA_CTL_CENTER_FREQUENCY_INDEX_NAME; + case SDCA_CTL_TYPE_S(MFPU, ULTRASOUND_LEVEL): + return SDCA_CTL_ULTRASOUND_LEVEL_NAME; + case SDCA_CTL_TYPE_S(MFPU, AE_NUMBER): + return SDCA_CTL_AE_NUMBER_NAME; + case SDCA_CTL_TYPE_S(MFPU, AE_CURRENTOWNER): + return SDCA_CTL_AE_CURRENTOWNER_NAME; + case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGEOFFSET): + return SDCA_CTL_AE_MESSAGEOFFSET_NAME; + case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGELENGTH): + return SDCA_CTL_AE_MESSAGELENGTH_NAME; + case SDCA_CTL_TYPE_S(SMPU, TRIGGER_ENABLE): + return SDCA_CTL_TRIGGER_ENABLE_NAME; + case SDCA_CTL_TYPE_S(SMPU, TRIGGER_STATUS): + return SDCA_CTL_TRIGGER_STATUS_NAME; + case SDCA_CTL_TYPE_S(SMPU, HIST_BUFFER_MODE): + return SDCA_CTL_HIST_BUFFER_MODE_NAME; + case SDCA_CTL_TYPE_S(SMPU, HIST_BUFFER_PREAMBLE): + return SDCA_CTL_HIST_BUFFER_PREAMBLE_NAME; + case SDCA_CTL_TYPE_S(SMPU, HIST_ERROR): + return SDCA_CTL_HIST_ERROR_NAME; + case SDCA_CTL_TYPE_S(SMPU, TRIGGER_EXTENSION): + return SDCA_CTL_TRIGGER_EXTENSION_NAME; + case SDCA_CTL_TYPE_S(SMPU, TRIGGER_READY): + return SDCA_CTL_TRIGGER_READY_NAME; + case SDCA_CTL_TYPE_S(SMPU, HIST_CURRENTOWNER): + return SDCA_CTL_HIST_CURRENTOWNER_NAME; + case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGEOFFSET): + return SDCA_CTL_HIST_MESSAGEOFFSET_NAME; + case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGELENGTH): + return SDCA_CTL_HIST_MESSAGELENGTH_NAME; + case SDCA_CTL_TYPE_S(SMPU, DTODTX_CURRENTOWNER): + return SDCA_CTL_DTODTX_CURRENTOWNER_NAME; + case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGEOFFSET): + return SDCA_CTL_DTODTX_MESSAGEOFFSET_NAME; + case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGELENGTH): + return SDCA_CTL_DTODTX_MESSAGELENGTH_NAME; + case SDCA_CTL_TYPE_S(SMPU, DTODRX_CURRENTOWNER): + return SDCA_CTL_DTODRX_CURRENTOWNER_NAME; + case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGEOFFSET): + return SDCA_CTL_DTODRX_MESSAGEOFFSET_NAME; + case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGELENGTH): + return SDCA_CTL_DTODRX_MESSAGELENGTH_NAME; + case SDCA_CTL_TYPE_S(SAPU, PROTECTION_MODE): + return SDCA_CTL_PROTECTION_MODE_NAME; + case SDCA_CTL_TYPE_S(SAPU, PROTECTION_STATUS): + return SDCA_CTL_PROTECTION_STATUS_NAME; + case SDCA_CTL_TYPE_S(SAPU, OPAQUESETREQ_INDEX): + return SDCA_CTL_OPAQUESETREQ_INDEX_NAME; + case SDCA_CTL_TYPE_S(SAPU, DTODTX_CURRENTOWNER): + return SDCA_CTL_DTODTX_CURRENTOWNER_NAME; + case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGEOFFSET): + return SDCA_CTL_DTODTX_MESSAGEOFFSET_NAME; + case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGELENGTH): + return SDCA_CTL_DTODTX_MESSAGELENGTH_NAME; + case SDCA_CTL_TYPE_S(SAPU, DTODRX_CURRENTOWNER): + return SDCA_CTL_DTODRX_CURRENTOWNER_NAME; + case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGEOFFSET): + return SDCA_CTL_DTODRX_MESSAGEOFFSET_NAME; + case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGELENGTH): + return SDCA_CTL_DTODRX_MESSAGELENGTH_NAME; + case SDCA_CTL_TYPE_S(PPU, POSTURENUMBER): + return SDCA_CTL_POSTURENUMBER_NAME; + case SDCA_CTL_TYPE_S(PPU, POSTUREEXTENSION): + return SDCA_CTL_POSTUREEXTENSION_NAME; + case SDCA_CTL_TYPE_S(PPU, HORIZONTALBALANCE): + return SDCA_CTL_HORIZONTALBALANCE_NAME; + case SDCA_CTL_TYPE_S(PPU, VERTICALBALANCE): + return SDCA_CTL_VERTICALBALANCE_NAME; + case SDCA_CTL_TYPE_S(TG, TONE_DIVIDER): + return SDCA_CTL_TONE_DIVIDER_NAME; + case SDCA_CTL_TYPE_S(HIDE, HIDTX_CURRENTOWNER): + return SDCA_CTL_HIDTX_CURRENTOWNER_NAME; + case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGEOFFSET): + return SDCA_CTL_HIDTX_MESSAGEOFFSET_NAME; + case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGELENGTH): + return SDCA_CTL_HIDTX_MESSAGELENGTH_NAME; + case SDCA_CTL_TYPE_S(HIDE, HIDRX_CURRENTOWNER): + return SDCA_CTL_HIDRX_CURRENTOWNER_NAME; + case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGEOFFSET): + return SDCA_CTL_HIDRX_MESSAGEOFFSET_NAME; + case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGELENGTH): + return SDCA_CTL_HIDRX_MESSAGELENGTH_NAME; + case SDCA_CTL_TYPE_S(ENTITY_0, COMMIT_GROUP_MASK): + return SDCA_CTL_COMMIT_GROUP_MASK_NAME; + case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_SDCA_VERSION): + return SDCA_CTL_FUNCTION_SDCA_VERSION_NAME; + case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_TYPE): + return SDCA_CTL_FUNCTION_TYPE_NAME; + case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_MANUFACTURER_ID): + return SDCA_CTL_FUNCTION_MANUFACTURER_ID_NAME; + case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_ID): + return SDCA_CTL_FUNCTION_ID_NAME; + case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_VERSION): + return SDCA_CTL_FUNCTION_VERSION_NAME; + case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_EXTENSION_ID): + return SDCA_CTL_FUNCTION_EXTENSION_ID_NAME; + case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_EXTENSION_VERSION): + return SDCA_CTL_FUNCTION_EXTENSION_VERSION_NAME; + case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_STATUS): + return SDCA_CTL_FUNCTION_STATUS_NAME; + case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_ACTION): + return SDCA_CTL_FUNCTION_ACTION_NAME; + case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_MANUFACTURER_ID): + return SDCA_CTL_DEVICE_MANUFACTURER_ID_NAME; + case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_PART_ID): + return SDCA_CTL_DEVICE_PART_ID_NAME; + case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_VERSION): + return SDCA_CTL_DEVICE_VERSION_NAME; + case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_SDCA_VERSION): + return SDCA_CTL_DEVICE_SDCA_VERSION_NAME; + default: + return devm_kasprintf(dev, GFP_KERNEL, "Imp-Def %#x", control->sel); + } +} + +static unsigned int find_sdca_control_bits(const struct sdca_entity *entity, + const struct sdca_control *control) +{ + switch (SDCA_CTL_TYPE(entity->type, control->sel)) { + case SDCA_CTL_TYPE_S(IT, LATENCY): + case SDCA_CTL_TYPE_S(OT, LATENCY): + case SDCA_CTL_TYPE_S(MU, LATENCY): + case SDCA_CTL_TYPE_S(SU, LATENCY): + case SDCA_CTL_TYPE_S(FU, LATENCY): + case SDCA_CTL_TYPE_S(XU, LATENCY): + case SDCA_CTL_TYPE_S(XU, FDL_MESSAGEOFFSET): + case SDCA_CTL_TYPE_S(XU, FDL_MESSAGELENGTH): + case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGEOFFSET): + case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGELENGTH): + case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGEOFFSET): + case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGELENGTH): + case SDCA_CTL_TYPE_S(CRU, LATENCY): + case SDCA_CTL_TYPE_S(UDMPU, LATENCY): + case SDCA_CTL_TYPE_S(MFPU, LATENCY): + case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGEOFFSET): + case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGELENGTH): + case SDCA_CTL_TYPE_S(SMPU, LATENCY): + case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGEOFFSET): + case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGELENGTH): + case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGEOFFSET): + case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGELENGTH): + case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGEOFFSET): + case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGELENGTH): + case SDCA_CTL_TYPE_S(SAPU, LATENCY): + case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGEOFFSET): + case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGELENGTH): + case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGEOFFSET): + case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGELENGTH): + case SDCA_CTL_TYPE_S(PPU, LATENCY): + case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGEOFFSET): + case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGELENGTH): + case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGEOFFSET): + case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGELENGTH): + return 32; + case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_MANUFACTURER_ID): + case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_ID): + case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_EXTENSION_ID): + case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_MANUFACTURER_ID): + case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_PART_ID): + case SDCA_CTL_TYPE_S(IT, DATAPORT_SELECTOR): + case SDCA_CTL_TYPE_S(OT, DATAPORT_SELECTOR): + case SDCA_CTL_TYPE_S(MU, MIXER): + case SDCA_CTL_TYPE_S(FU, CHANNEL_VOLUME): + case SDCA_CTL_TYPE_S(FU, GAIN): + case SDCA_CTL_TYPE_S(XU, XU_ID): + case SDCA_CTL_TYPE_S(UDMPU, ACOUSTIC_ENERGY_LEVEL_MONITOR): + case SDCA_CTL_TYPE_S(UDMPU, ULTRASOUND_LOOP_GAIN): + case SDCA_CTL_TYPE_S(MFPU, ULTRASOUND_LEVEL): + case SDCA_CTL_TYPE_S(PPU, HORIZONTALBALANCE): + case SDCA_CTL_TYPE_S(PPU, VERTICALBALANCE): + return 16; + case SDCA_CTL_TYPE_S(FU, MUTE): + case SDCA_CTL_TYPE_S(FU, AGC): + case SDCA_CTL_TYPE_S(FU, BASS_BOOST): + case SDCA_CTL_TYPE_S(FU, LOUDNESS): + case SDCA_CTL_TYPE_S(XU, BYPASS): + case SDCA_CTL_TYPE_S(MFPU, BYPASS): + return 1; + default: + return 8; + } +} + +static enum sdca_control_datatype +find_sdca_control_datatype(const struct sdca_entity *entity, + const struct sdca_control *control) +{ + switch (SDCA_CTL_TYPE(entity->type, control->sel)) { + case SDCA_CTL_TYPE_S(XU, BYPASS): + case SDCA_CTL_TYPE_S(MFPU, BYPASS): + case SDCA_CTL_TYPE_S(FU, MUTE): + case SDCA_CTL_TYPE_S(FU, AGC): + case SDCA_CTL_TYPE_S(FU, BASS_BOOST): + case SDCA_CTL_TYPE_S(FU, LOUDNESS): + return SDCA_CTL_DATATYPE_ONEBIT; + case SDCA_CTL_TYPE_S(IT, LATENCY): + case SDCA_CTL_TYPE_S(OT, LATENCY): + case SDCA_CTL_TYPE_S(MU, LATENCY): + case SDCA_CTL_TYPE_S(SU, LATENCY): + case SDCA_CTL_TYPE_S(FU, LATENCY): + case SDCA_CTL_TYPE_S(XU, LATENCY): + case SDCA_CTL_TYPE_S(CRU, LATENCY): + case SDCA_CTL_TYPE_S(UDMPU, LATENCY): + case SDCA_CTL_TYPE_S(MFPU, LATENCY): + case SDCA_CTL_TYPE_S(SMPU, LATENCY): + case SDCA_CTL_TYPE_S(SAPU, LATENCY): + case SDCA_CTL_TYPE_S(PPU, LATENCY): + case SDCA_CTL_TYPE_S(SU, SELECTOR): + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_0): + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_1): + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_2): + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_3): + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_4): + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_5): + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_6): + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_7): + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_8): + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_9): + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_10): + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_11): + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_12): + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_13): + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_14): + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_15): + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_16): + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_17): + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_18): + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_19): + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_20): + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_21): + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_22): + case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_23): + case SDCA_CTL_TYPE_S(SAPU, PROTECTION_MODE): + case SDCA_CTL_TYPE_S(SMPU, HIST_BUFFER_PREAMBLE): + case SDCA_CTL_TYPE_S(XU, FDL_HOST_REQUEST): + case SDCA_CTL_TYPE_S(XU, XU_ID): + case SDCA_CTL_TYPE_S(CX, CLOCK_SELECT): + case SDCA_CTL_TYPE_S(TG, TONE_DIVIDER): + case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_MANUFACTURER_ID): + case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_ID): + case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_EXTENSION_ID): + case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_MANUFACTURER_ID): + case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_PART_ID): + case SDCA_CTL_TYPE_S(XU, FDL_MESSAGEOFFSET): + case SDCA_CTL_TYPE_S(XU, FDL_MESSAGELENGTH): + case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGEOFFSET): + case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGELENGTH): + case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGEOFFSET): + case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGELENGTH): + case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGEOFFSET): + case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGELENGTH): + case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGEOFFSET): + case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGELENGTH): + case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGEOFFSET): + case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGELENGTH): + case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGEOFFSET): + case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGELENGTH): + case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGEOFFSET): + case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGELENGTH): + case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGEOFFSET): + case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGELENGTH): + case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGEOFFSET): + case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGELENGTH): + case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGEOFFSET): + case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGELENGTH): + return SDCA_CTL_DATATYPE_INTEGER; + case SDCA_CTL_TYPE_S(IT, MIC_BIAS): + case SDCA_CTL_TYPE_S(SMPU, HIST_BUFFER_MODE): + case SDCA_CTL_TYPE_S(PDE, REQUESTED_PS): + case SDCA_CTL_TYPE_S(PDE, ACTUAL_PS): + case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_TYPE): + return SDCA_CTL_DATATYPE_SPEC_ENCODED_VALUE; + case SDCA_CTL_TYPE_S(XU, XU_VERSION): + case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_SDCA_VERSION): + case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_VERSION): + case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_EXTENSION_VERSION): + case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_VERSION): + case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_SDCA_VERSION): + return SDCA_CTL_DATATYPE_BCD; + case SDCA_CTL_TYPE_S(FU, CHANNEL_VOLUME): + case SDCA_CTL_TYPE_S(FU, GAIN): + case SDCA_CTL_TYPE_S(MU, MIXER): + case SDCA_CTL_TYPE_S(PPU, HORIZONTALBALANCE): + case SDCA_CTL_TYPE_S(PPU, VERTICALBALANCE): + case SDCA_CTL_TYPE_S(MFPU, ULTRASOUND_LEVEL): + case SDCA_CTL_TYPE_S(UDMPU, ACOUSTIC_ENERGY_LEVEL_MONITOR): + case SDCA_CTL_TYPE_S(UDMPU, ULTRASOUND_LOOP_GAIN): + return SDCA_CTL_DATATYPE_Q7P8DB; + case SDCA_CTL_TYPE_S(IT, USAGE): + case SDCA_CTL_TYPE_S(OT, USAGE): + case SDCA_CTL_TYPE_S(IT, CLUSTERINDEX): + case SDCA_CTL_TYPE_S(CRU, CLUSTERINDEX): + case SDCA_CTL_TYPE_S(UDMPU, CLUSTERINDEX): + case SDCA_CTL_TYPE_S(MFPU, CLUSTERINDEX): + case SDCA_CTL_TYPE_S(MFPU, CENTER_FREQUENCY_INDEX): + case SDCA_CTL_TYPE_S(MFPU, AE_NUMBER): + case SDCA_CTL_TYPE_S(SAPU, OPAQUESETREQ_INDEX): + case SDCA_CTL_TYPE_S(XU, FDL_SET_INDEX): + case SDCA_CTL_TYPE_S(CS, SAMPLERATEINDEX): + case SDCA_CTL_TYPE_S(GE, SELECTED_MODE): + case SDCA_CTL_TYPE_S(GE, DETECTED_MODE): + return SDCA_CTL_DATATYPE_BYTEINDEX; + case SDCA_CTL_TYPE_S(PPU, POSTURENUMBER): + return SDCA_CTL_DATATYPE_POSTURENUMBER; + case SDCA_CTL_TYPE_S(IT, DATAPORT_SELECTOR): + case SDCA_CTL_TYPE_S(OT, DATAPORT_SELECTOR): + return SDCA_CTL_DATATYPE_DP_INDEX; + case SDCA_CTL_TYPE_S(MFPU, ALGORITHM_READY): + case SDCA_CTL_TYPE_S(MFPU, ALGORITHM_ENABLE): + case SDCA_CTL_TYPE_S(MFPU, ALGORITHM_PREPARE): + case SDCA_CTL_TYPE_S(SAPU, PROTECTION_STATUS): + case SDCA_CTL_TYPE_S(SMPU, TRIGGER_ENABLE): + case SDCA_CTL_TYPE_S(SMPU, TRIGGER_STATUS): + case SDCA_CTL_TYPE_S(SMPU, TRIGGER_READY): + case SDCA_CTL_TYPE_S(SPE, PRIVACY_POLICY): + case SDCA_CTL_TYPE_S(SPE, PRIVACY_OWNER): + return SDCA_CTL_DATATYPE_BITINDEX; + case SDCA_CTL_TYPE_S(IT, KEEP_ALIVE): + case SDCA_CTL_TYPE_S(OT, KEEP_ALIVE): + case SDCA_CTL_TYPE_S(IT, NDAI_STREAM): + case SDCA_CTL_TYPE_S(OT, NDAI_STREAM): + case SDCA_CTL_TYPE_S(IT, NDAI_CATEGORY): + case SDCA_CTL_TYPE_S(OT, NDAI_CATEGORY): + case SDCA_CTL_TYPE_S(IT, NDAI_CODINGTYPE): + case SDCA_CTL_TYPE_S(OT, NDAI_CODINGTYPE): + case SDCA_CTL_TYPE_S(IT, NDAI_PACKETTYPE): + case SDCA_CTL_TYPE_S(OT, NDAI_PACKETTYPE): + case SDCA_CTL_TYPE_S(SMPU, HIST_ERROR): + case SDCA_CTL_TYPE_S(XU, FDL_STATUS): + case SDCA_CTL_TYPE_S(CS, CLOCK_VALID): + case SDCA_CTL_TYPE_S(SPE, PRIVACY_LOCKSTATE): + case SDCA_CTL_TYPE_S(ENTITY_0, COMMIT_GROUP_MASK): + case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_STATUS): + case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_ACTION): + case SDCA_CTL_TYPE_S(XU, FDL_CURRENTOWNER): + case SDCA_CTL_TYPE_S(SPE, AUTHTX_CURRENTOWNER): + case SDCA_CTL_TYPE_S(SPE, AUTHRX_CURRENTOWNER): + case SDCA_CTL_TYPE_S(MFPU, AE_CURRENTOWNER): + case SDCA_CTL_TYPE_S(SMPU, HIST_CURRENTOWNER): + case SDCA_CTL_TYPE_S(SMPU, DTODTX_CURRENTOWNER): + case SDCA_CTL_TYPE_S(SMPU, DTODRX_CURRENTOWNER): + case SDCA_CTL_TYPE_S(SAPU, DTODTX_CURRENTOWNER): + case SDCA_CTL_TYPE_S(SAPU, DTODRX_CURRENTOWNER): + case SDCA_CTL_TYPE_S(HIDE, HIDTX_CURRENTOWNER): + case SDCA_CTL_TYPE_S(HIDE, HIDRX_CURRENTOWNER): + return SDCA_CTL_DATATYPE_BITMAP; + case SDCA_CTL_TYPE_S(IT, MATCHING_GUID): + case SDCA_CTL_TYPE_S(OT, MATCHING_GUID): + case SDCA_CTL_TYPE_S(ENTITY_0, MATCHING_GUID): + return SDCA_CTL_DATATYPE_GUID; + default: + return SDCA_CTL_DATATYPE_IMPDEF; + } +} + +static int find_sdca_control_range(struct device *dev, + struct fwnode_handle *control_node, + struct sdca_control_range *range) +{ + u8 *range_list; + int num_range; + u16 *limits; + int i; + + num_range = fwnode_property_count_u8(control_node, "mipi-sdca-control-range"); + if (!num_range || num_range == -EINVAL) + return 0; + else if (num_range < 0) + return num_range; + + range_list = devm_kcalloc(dev, num_range, sizeof(*range_list), GFP_KERNEL); + if (!range_list) + return -ENOMEM; + + fwnode_property_read_u8_array(control_node, "mipi-sdca-control-range", + range_list, num_range); + + limits = (u16 *)range_list; + + range->cols = le16_to_cpu(limits[0]); + range->rows = le16_to_cpu(limits[1]); + range->data = (u32 *)&limits[2]; + + num_range = (num_range - (2 * sizeof(*limits))) / sizeof(*range->data); + if (num_range != range->cols * range->rows) + return -EINVAL; + + for (i = 0; i < num_range; i++) + range->data[i] = le32_to_cpu(range->data[i]); + + return 0; +} + +/* + * TODO: Add support for -cn- properties, allowing different channels to have + * different defaults etc. + */ +static int find_sdca_entity_control(struct device *dev, struct sdca_entity *entity, + struct fwnode_handle *control_node, + struct sdca_control *control) +{ + u32 tmp; + int ret; + + ret = fwnode_property_read_u32(control_node, "mipi-sdca-control-access-mode", &tmp); + if (ret) { + dev_err(dev, "%s: control %#x: access mode missing: %d\n", + entity->label, control->sel, ret); + return ret; + } + + control->mode = tmp; + + ret = fwnode_property_read_u32(control_node, "mipi-sdca-control-access-layer", &tmp); + if (ret) { + dev_err(dev, "%s: control %#x: access layer missing: %d\n", + entity->label, control->sel, ret); + return ret; + } + + control->layers = tmp; + + switch (control->mode) { + case SDCA_ACCESS_MODE_DC: + ret = fwnode_property_read_u32(control_node, + "mipi-sdca-control-dc-value", + &tmp); + if (ret) { + dev_err(dev, "%s: control %#x: dc value missing: %d\n", + entity->label, control->sel, ret); + return ret; + } + + control->value = tmp; + control->has_fixed = true; + break; + case SDCA_ACCESS_MODE_RW: + case SDCA_ACCESS_MODE_DUAL: + ret = fwnode_property_read_u32(control_node, + "mipi-sdca-control-default-value", + &tmp); + if (!ret) { + control->value = tmp; + control->has_default = true; + } + + ret = fwnode_property_read_u32(control_node, + "mipi-sdca-control-fixed-value", + &tmp); + if (!ret) { + if (control->has_default && control->value != tmp) { + dev_err(dev, + "%s: control %#x: default and fixed value don't match\n", + entity->label, control->sel); + return -EINVAL; + } + + control->value = tmp; + control->has_fixed = true; + } + + control->deferrable = fwnode_property_read_bool(control_node, + "mipi-sdca-control-deferrable"); + break; + default: + break; + } + + ret = find_sdca_control_range(dev, control_node, &control->range); + if (ret) { + dev_err(dev, "%s: control %#x: range missing: %d\n", + entity->label, control->sel, ret); + return ret; + } + + ret = fwnode_property_read_u64(control_node, "mipi-sdca-control-cn-list", + &control->cn_list); + if (ret == -EINVAL) { + /* Spec allows not specifying cn-list if only the first number is used */ + control->cn_list = 0x1; + } else if (ret || !control->cn_list) { + dev_err(dev, "%s: control %#x: cn list missing: %d\n", + entity->label, control->sel, ret); + return ret; + } + + ret = fwnode_property_read_u32(control_node, + "mipi-sdca-control-interrupt-position", + &tmp); + if (!ret) + control->interrupt_position = tmp; + + control->label = find_sdca_control_label(dev, entity, control); + if (!control->label) + return -ENOMEM; + + control->type = find_sdca_control_datatype(entity, control); + control->nbits = find_sdca_control_bits(entity, control); + + dev_info(dev, "%s: %s: control %#x mode %#x layers %#x cn %#llx int %d value %#x %s\n", + entity->label, control->label, control->sel, + control->mode, control->layers, control->cn_list, + control->interrupt_position, control->value, + control->deferrable ? "deferrable" : ""); + + return 0; +} + +static int find_sdca_entity_controls(struct device *dev, + struct fwnode_handle *entity_node, + struct sdca_entity *entity) +{ + struct sdca_control *controls; + int num_controls; + u64 control_list; + int control_sel; + int i, ret; + + ret = fwnode_property_read_u64(entity_node, "mipi-sdca-control-list", &control_list); + if (ret == -EINVAL) { + /* Allow missing control lists, assume no controls. */ + dev_warn(dev, "%s: missing control list\n", entity->label); + return 0; + } else if (ret) { + dev_err(dev, "%s: failed to read control list: %d\n", entity->label, ret); + return ret; + } else if (!control_list) { + return 0; + } + + num_controls = hweight64(control_list); + controls = devm_kcalloc(dev, num_controls, sizeof(*controls), GFP_KERNEL); + if (!controls) + return -ENOMEM; + + i = 0; + for_each_set_bit(control_sel, (unsigned long *)&control_list, + BITS_PER_TYPE(control_list)) { + struct fwnode_handle *control_node; + char control_property[SDCA_PROPERTY_LENGTH]; + + /* DisCo uses upper-case for hex numbers */ + snprintf(control_property, sizeof(control_property), + "mipi-sdca-control-0x%X-subproperties", control_sel); + + control_node = fwnode_get_named_child_node(entity_node, control_property); + if (!control_node) { + dev_err(dev, "%s: control node %s not found\n", + entity->label, control_property); + return -EINVAL; + } + + controls[i].sel = control_sel; + + ret = find_sdca_entity_control(dev, entity, control_node, &controls[i]); + fwnode_handle_put(control_node); + if (ret) + return ret; + + i++; + } + + entity->num_controls = num_controls; + entity->controls = controls; + + return 0; +} + +static bool find_sdca_iot_dataport(struct sdca_entity_iot *terminal) +{ + switch (terminal->type) { + case SDCA_TERM_TYPE_GENERIC: + case SDCA_TERM_TYPE_ULTRASOUND: + case SDCA_TERM_TYPE_CAPTURE_DIRECT_PCM_MIC: + case SDCA_TERM_TYPE_RAW_PDM_MIC: + case SDCA_TERM_TYPE_SPEECH: + case SDCA_TERM_TYPE_VOICE: + case SDCA_TERM_TYPE_SECONDARY_PCM_MIC: + case SDCA_TERM_TYPE_ACOUSTIC_CONTEXT_AWARENESS: + case SDCA_TERM_TYPE_DTOD_STREAM: + case SDCA_TERM_TYPE_REFERENCE_STREAM: + case SDCA_TERM_TYPE_SENSE_CAPTURE: + case SDCA_TERM_TYPE_STREAMING_MIC: + case SDCA_TERM_TYPE_OPTIMIZATION_STREAM: + case SDCA_TERM_TYPE_PDM_RENDER_STREAM: + case SDCA_TERM_TYPE_COMPANION_DATA: + return true; + default: + return false; + } +} + +static int find_sdca_entity_iot(struct device *dev, + struct fwnode_handle *entity_node, + struct sdca_entity *entity) +{ + struct sdca_entity_iot *terminal = &entity->iot; + u32 tmp; + int ret; + + ret = fwnode_property_read_u32(entity_node, "mipi-sdca-terminal-type", &tmp); + if (ret) { + dev_err(dev, "%s: terminal type missing: %d\n", entity->label, ret); + return ret; + } + + terminal->type = tmp; + terminal->is_dataport = find_sdca_iot_dataport(terminal); + + ret = fwnode_property_read_u32(entity_node, + "mipi-sdca-terminal-reference-number", &tmp); + if (!ret) + terminal->reference = tmp; + + ret = fwnode_property_read_u32(entity_node, + "mipi-sdca-terminal-connector-type", &tmp); + if (!ret) + terminal->connector = tmp; + + ret = fwnode_property_read_u32(entity_node, + "mipi-sdca-terminal-transducer-count", &tmp); + if (!ret) + terminal->num_transducer = tmp; + + dev_info(dev, "%s: terminal type %#x ref %#x conn %#x count %d\n", + entity->label, terminal->type, terminal->reference, + terminal->connector, terminal->num_transducer); + + return 0; +} + +static int find_sdca_entity_cs(struct device *dev, + struct fwnode_handle *entity_node, + struct sdca_entity *entity) +{ + struct sdca_entity_cs *clock = &entity->cs; + u32 tmp; + int ret; + + ret = fwnode_property_read_u32(entity_node, "mipi-sdca-cs-type", &tmp); + if (ret) { + dev_err(dev, "%s: clock type missing: %d\n", entity->label, ret); + return ret; + } + + clock->type = tmp; + + ret = fwnode_property_read_u32(entity_node, + "mipi-sdca-clock-valid-max-delay", &tmp); + if (!ret) + clock->max_delay = tmp; + + dev_info(dev, "%s: clock type %#x delay %d\n", entity->label, + clock->type, clock->max_delay); + + return 0; +} + +static int find_sdca_entity_pde(struct device *dev, + struct fwnode_handle *entity_node, + struct sdca_entity *entity) +{ + static const int mult_delay = 3; + struct sdca_entity_pde *power = &entity->pde; + u32 *delay_list __free(kfree) = NULL; + struct sdca_pde_delay *delays; + int num_delays; + int i, j; + + num_delays = fwnode_property_count_u32(entity_node, + "mipi-sdca-powerdomain-transition-max-delay"); + if (num_delays <= 0) { + dev_err(dev, "%s: max delay list missing: %d\n", + entity->label, num_delays); + return -EINVAL; + } else if (num_delays % mult_delay != 0) { + dev_err(dev, "%s: delays not multiple of %d\n", + entity->label, mult_delay); + return -EINVAL; + } else if (num_delays > SDCA_MAX_DELAY_COUNT) { + dev_err(dev, "%s: maximum number of transition delays exceeded\n", + entity->label); + return -EINVAL; + } + + /* There are 3 values per delay */ + delays = devm_kcalloc(dev, num_delays / mult_delay, + sizeof(*delays), GFP_KERNEL); + if (!delays) + return -ENOMEM; + + delay_list = kcalloc(num_delays, sizeof(*delay_list), GFP_KERNEL); + if (!delay_list) + return -ENOMEM; + + fwnode_property_read_u32_array(entity_node, + "mipi-sdca-powerdomain-transition-max-delay", + delay_list, num_delays); + + num_delays /= mult_delay; + + for (i = 0, j = 0; i < num_delays; i++) { + delays[i].from_ps = delay_list[j++]; + delays[i].to_ps = delay_list[j++]; + delays[i].us = delay_list[j++]; + + dev_info(dev, "%s: from %#x to %#x delay %dus\n", entity->label, + delays[i].from_ps, delays[i].to_ps, delays[i].us); + } + + power->num_max_delay = num_delays; + power->max_delay = delays; + + return 0; +} + +struct raw_ge_mode { + u8 val; + u8 num_controls; + struct { + u8 id; + u8 sel; + u8 cn; + __le32 val; + } __packed controls[] __counted_by(num_controls); +} __packed; + +static int find_sdca_entity_ge(struct device *dev, + struct fwnode_handle *entity_node, + struct sdca_entity *entity) +{ + struct sdca_entity_ge *group = &entity->ge; + u8 *affected_list __free(kfree) = NULL; + u8 *affected_iter; + int num_affected; + int i, j; + + num_affected = fwnode_property_count_u8(entity_node, + "mipi-sdca-ge-selectedmode-controls-affected"); + if (!num_affected) { + return 0; + } else if (num_affected < 0) { + dev_err(dev, "%s: failed to read affected controls: %d\n", + entity->label, num_affected); + return num_affected; + } else if (num_affected > SDCA_MAX_AFFECTED_COUNT) { + dev_err(dev, "%s: maximum affected controls size exceeded\n", + entity->label); + return -EINVAL; + } + + affected_list = kcalloc(num_affected, sizeof(*affected_list), GFP_KERNEL); + if (!affected_list) + return -ENOMEM; + + fwnode_property_read_u8_array(entity_node, + "mipi-sdca-ge-selectedmode-controls-affected", + affected_list, num_affected); + + group->num_modes = *affected_list; + affected_iter = affected_list + 1; + + group->modes = devm_kcalloc(dev, group->num_modes, sizeof(*group->modes), + GFP_KERNEL); + if (!group->modes) + return -ENOMEM; + + for (i = 0; i < group->num_modes; i++) { + struct raw_ge_mode *raw = (struct raw_ge_mode *)affected_iter; + struct sdca_ge_mode *mode = &group->modes[i]; + + affected_iter += sizeof(*raw); + if (affected_iter > affected_list + num_affected) + goto bad_list; + + mode->val = raw->val; + mode->num_controls = raw->num_controls; + + affected_iter += mode->num_controls * sizeof(raw->controls[0]); + if (affected_iter > affected_list + num_affected) + goto bad_list; + + mode->controls = devm_kcalloc(dev, mode->num_controls, + sizeof(*mode->controls), GFP_KERNEL); + if (!mode->controls) + return -ENOMEM; + + for (j = 0; j < mode->num_controls; j++) { + mode->controls[j].id = raw->controls[j].id; + mode->controls[j].sel = raw->controls[j].sel; + mode->controls[j].cn = raw->controls[j].cn; + mode->controls[j].val = le32_to_cpu(raw->controls[j].val); + } + } + + return 0; + +bad_list: + dev_err(dev, "%s: malformed affected controls list\n", entity->label); + return -EINVAL; +} + +static int find_sdca_entity(struct device *dev, + struct fwnode_handle *function_node, + struct fwnode_handle *entity_node, + struct sdca_entity *entity) +{ + u32 tmp; + int ret; + + ret = fwnode_property_read_string(entity_node, "mipi-sdca-entity-label", + &entity->label); + if (ret) { + dev_err(dev, "%pfwP: entity %#x: label missing: %d\n", + function_node, entity->id, ret); + return ret; + } + + ret = fwnode_property_read_u32(entity_node, "mipi-sdca-entity-type", &tmp); + if (ret) { + dev_err(dev, "%s: type missing: %d\n", entity->label, ret); + return ret; + } + + entity->type = tmp; + + dev_info(dev, "%s: entity %#x type %#x\n", + entity->label, entity->id, entity->type); + + switch (entity->type) { + case SDCA_ENTITY_TYPE_IT: + case SDCA_ENTITY_TYPE_OT: + ret = find_sdca_entity_iot(dev, entity_node, entity); + break; + case SDCA_ENTITY_TYPE_CS: + ret = find_sdca_entity_cs(dev, entity_node, entity); + break; + case SDCA_ENTITY_TYPE_PDE: + ret = find_sdca_entity_pde(dev, entity_node, entity); + break; + case SDCA_ENTITY_TYPE_GE: + ret = find_sdca_entity_ge(dev, entity_node, entity); + break; + default: + break; + } + if (ret) + return ret; + + ret = find_sdca_entity_controls(dev, entity_node, entity); + if (ret) + return ret; + + return 0; +} + +static int find_sdca_entities(struct device *dev, + struct fwnode_handle *function_node, + struct sdca_function_data *function) +{ + u32 *entity_list __free(kfree) = NULL; + struct sdca_entity *entities; + int num_entities; + int i, ret; + + num_entities = fwnode_property_count_u32(function_node, + "mipi-sdca-entity-id-list"); + if (num_entities <= 0) { + dev_err(dev, "%pfwP: entity id list missing: %d\n", + function_node, num_entities); + return -EINVAL; + } else if (num_entities > SDCA_MAX_ENTITY_COUNT) { + dev_err(dev, "%pfwP: maximum number of entities exceeded\n", + function_node); + return -EINVAL; + } + + /* Add 1 to make space for Entity 0 */ + entities = devm_kcalloc(dev, num_entities + 1, sizeof(*entities), GFP_KERNEL); + if (!entities) + return -ENOMEM; + + entity_list = kcalloc(num_entities, sizeof(*entity_list), GFP_KERNEL); + if (!entity_list) + return -ENOMEM; + + fwnode_property_read_u32_array(function_node, "mipi-sdca-entity-id-list", + entity_list, num_entities); + + for (i = 0; i < num_entities; i++) + entities[i].id = entity_list[i]; + + /* now read subproperties */ + for (i = 0; i < num_entities; i++) { + char entity_property[SDCA_PROPERTY_LENGTH]; + struct fwnode_handle *entity_node; + + /* DisCo uses upper-case for hex numbers */ + snprintf(entity_property, sizeof(entity_property), + "mipi-sdca-entity-id-0x%X-subproperties", entities[i].id); + + entity_node = fwnode_get_named_child_node(function_node, entity_property); + if (!entity_node) { + dev_err(dev, "%pfwP: entity node %s not found\n", + function_node, entity_property); + return -EINVAL; + } + + ret = find_sdca_entity(dev, function_node, entity_node, &entities[i]); + fwnode_handle_put(entity_node); + if (ret) + return ret; + } + + /* + * Add Entity 0 at end of the array, makes it easy to skip during + * all the Entity searches involved in creating connections. + */ + entities[num_entities].label = "entity0"; + + ret = find_sdca_entity_controls(dev, function_node, &entities[num_entities]); + if (ret) + return ret; + + function->num_entities = num_entities + 1; + function->entities = entities; + + return 0; +} + +static struct sdca_entity *find_sdca_entity_by_label(struct sdca_function_data *function, + const char *entity_label) +{ + int i; + + for (i = 0; i < function->num_entities; i++) { + struct sdca_entity *entity = &function->entities[i]; + + if (!strcmp(entity->label, entity_label)) + return entity; + } + + return NULL; +} + +static struct sdca_entity *find_sdca_entity_by_id(struct sdca_function_data *function, + const int id) +{ + int i; + + for (i = 0; i < function->num_entities; i++) { + struct sdca_entity *entity = &function->entities[i]; + + if (entity->id == id) + return entity; + } + + return NULL; +} + +static int find_sdca_entity_connection_iot(struct device *dev, + struct sdca_function_data *function, + struct fwnode_handle *entity_node, + struct sdca_entity *entity) +{ + struct sdca_entity_iot *terminal = &entity->iot; + struct fwnode_handle *clock_node; + struct sdca_entity *clock_entity; + const char *clock_label; + int ret; + + clock_node = fwnode_get_named_child_node(entity_node, + "mipi-sdca-terminal-clock-connection"); + if (!clock_node) + return 0; + + ret = fwnode_property_read_string(clock_node, "mipi-sdca-entity-label", + &clock_label); + if (ret) { + dev_err(dev, "%s: clock label missing: %d\n", entity->label, ret); + fwnode_handle_put(clock_node); + return ret; + } + + clock_entity = find_sdca_entity_by_label(function, clock_label); + if (!clock_entity) { + dev_err(dev, "%s: failed to find clock with label %s\n", + entity->label, clock_label); + fwnode_handle_put(clock_node); + return -EINVAL; + } + + terminal->clock = clock_entity; + + dev_info(dev, "%s -> %s\n", clock_entity->label, entity->label); + + fwnode_handle_put(clock_node); + return 0; +} + +static int find_sdca_entity_connection_pde(struct device *dev, + struct sdca_function_data *function, + struct fwnode_handle *entity_node, + struct sdca_entity *entity) +{ + struct sdca_entity_pde *power = &entity->pde; + u32 *managed_list __free(kfree) = NULL; + struct sdca_entity **managed; + int num_managed; + int i; + + num_managed = fwnode_property_count_u32(entity_node, + "mipi-sdca-powerdomain-managed-list"); + if (!num_managed) { + return 0; + } else if (num_managed < 0) { + dev_err(dev, "%s: managed list missing: %d\n", entity->label, num_managed); + return num_managed; + } else if (num_managed > SDCA_MAX_ENTITY_COUNT) { + dev_err(dev, "%s: maximum number of managed entities exceeded\n", + entity->label); + return -EINVAL; + } + + managed = devm_kcalloc(dev, num_managed, sizeof(*managed), GFP_KERNEL); + if (!managed) + return -ENOMEM; + + managed_list = kcalloc(num_managed, sizeof(*managed_list), GFP_KERNEL); + if (!managed_list) + return -ENOMEM; + + fwnode_property_read_u32_array(entity_node, + "mipi-sdca-powerdomain-managed-list", + managed_list, num_managed); + + for (i = 0; i < num_managed; i++) { + managed[i] = find_sdca_entity_by_id(function, managed_list[i]); + if (!managed[i]) { + dev_err(dev, "%s: failed to find entity with id %#x\n", + entity->label, managed_list[i]); + return -EINVAL; + } + + dev_info(dev, "%s -> %s\n", managed[i]->label, entity->label); + } + + power->num_managed = num_managed; + power->managed = managed; + + return 0; +} + +static int find_sdca_entity_connection_ge(struct device *dev, + struct sdca_function_data *function, + struct fwnode_handle *entity_node, + struct sdca_entity *entity) +{ + int i, j; + + for (i = 0; i < entity->ge.num_modes; i++) { + struct sdca_ge_mode *mode = &entity->ge.modes[i]; + + for (j = 0; j < mode->num_controls; j++) { + struct sdca_ge_control *affected = &mode->controls[j]; + struct sdca_entity *managed; + + managed = find_sdca_entity_by_id(function, affected->id); + if (!managed) { + dev_err(dev, "%s: failed to find entity with id %#x\n", + entity->label, affected->id); + return -EINVAL; + } + + if (managed->group && managed->group != entity) { + dev_err(dev, + "%s: entity controlled by two groups %s, %s\n", + managed->label, managed->group->label, + entity->label); + return -EINVAL; + } + + managed->group = entity; + } + } + + return 0; +} + +static int find_sdca_entity_connection(struct device *dev, + struct sdca_function_data *function, + struct fwnode_handle *entity_node, + struct sdca_entity *entity) +{ + struct sdca_entity **pins; + int num_pins, pin; + u64 pin_list; + int i, ret; + + switch (entity->type) { + case SDCA_ENTITY_TYPE_IT: + case SDCA_ENTITY_TYPE_OT: + ret = find_sdca_entity_connection_iot(dev, function, + entity_node, entity); + break; + case SDCA_ENTITY_TYPE_PDE: + ret = find_sdca_entity_connection_pde(dev, function, + entity_node, entity); + break; + case SDCA_ENTITY_TYPE_GE: + ret = find_sdca_entity_connection_ge(dev, function, + entity_node, entity); + break; + default: + ret = 0; + break; + } + if (ret) + return ret; + + ret = fwnode_property_read_u64(entity_node, "mipi-sdca-input-pin-list", &pin_list); + if (ret == -EINVAL) { + /* Allow missing pin lists, assume no pins. */ + dev_warn(dev, "%s: missing pin list\n", entity->label); + return 0; + } else if (ret) { + dev_err(dev, "%s: failed to read pin list: %d\n", entity->label, ret); + return ret; + } else if (pin_list & BIT(0)) { + /* + * Each bit set in the pin-list refers to an entity_id in this + * Function. Entity 0 is an illegal connection since it is used + * for Function-level configurations. + */ + dev_err(dev, "%s: pin 0 used as input\n", entity->label); + return -EINVAL; + } else if (!pin_list) { + return 0; + } + + num_pins = hweight64(pin_list); + pins = devm_kcalloc(dev, num_pins, sizeof(*pins), GFP_KERNEL); + if (!pins) + return -ENOMEM; + + i = 0; + for_each_set_bit(pin, (unsigned long *)&pin_list, BITS_PER_TYPE(pin_list)) { + char pin_property[SDCA_PROPERTY_LENGTH]; + struct fwnode_handle *connected_node; + struct sdca_entity *connected_entity; + const char *connected_label; + + snprintf(pin_property, sizeof(pin_property), "mipi-sdca-input-pin-%d", pin); + + connected_node = fwnode_get_named_child_node(entity_node, pin_property); + if (!connected_node) { + dev_err(dev, "%s: pin node %s not found\n", + entity->label, pin_property); + return -EINVAL; + } + + ret = fwnode_property_read_string(connected_node, "mipi-sdca-entity-label", + &connected_label); + if (ret) { + dev_err(dev, "%s: pin %d label missing: %d\n", + entity->label, pin, ret); + fwnode_handle_put(connected_node); + return ret; + } + + connected_entity = find_sdca_entity_by_label(function, connected_label); + if (!connected_entity) { + dev_err(dev, "%s: failed to find entity with label %s\n", + entity->label, connected_label); + fwnode_handle_put(connected_node); + return -EINVAL; + } + + pins[i] = connected_entity; + + dev_info(dev, "%s -> %s\n", connected_entity->label, entity->label); + + i++; + fwnode_handle_put(connected_node); + } + + entity->num_sources = num_pins; + entity->sources = pins; + + return 0; +} + +static int find_sdca_connections(struct device *dev, + struct fwnode_handle *function_node, + struct sdca_function_data *function) +{ + int i; + + /* Entity 0 cannot have connections */ + for (i = 0; i < function->num_entities - 1; i++) { + struct sdca_entity *entity = &function->entities[i]; + char entity_property[SDCA_PROPERTY_LENGTH]; + struct fwnode_handle *entity_node; + int ret; + + /* DisCo uses upper-case for hex numbers */ + snprintf(entity_property, sizeof(entity_property), + "mipi-sdca-entity-id-0x%X-subproperties", + entity->id); + + entity_node = fwnode_get_named_child_node(function_node, entity_property); + if (!entity_node) { + dev_err(dev, "%pfwP: entity node %s not found\n", + function_node, entity_property); + return -EINVAL; + } + + ret = find_sdca_entity_connection(dev, function, entity_node, entity); + fwnode_handle_put(entity_node); + if (ret) + return ret; + } + + return 0; +} + +static int find_sdca_cluster_channel(struct device *dev, + struct sdca_cluster *cluster, + struct fwnode_handle *channel_node, + struct sdca_channel *channel) +{ + u32 tmp; + int ret; + + ret = fwnode_property_read_u32(channel_node, "mipi-sdca-cluster-channel-id", &tmp); + if (ret) { + dev_err(dev, "cluster %#x: missing channel id: %d\n", + cluster->id, ret); + return ret; + } + + channel->id = tmp; + + ret = fwnode_property_read_u32(channel_node, + "mipi-sdca-cluster-channel-purpose", + &tmp); + if (ret) { + dev_err(dev, "cluster %#x: channel %#x: missing purpose: %d\n", + cluster->id, channel->id, ret); + return ret; + } + + channel->purpose = tmp; + + ret = fwnode_property_read_u32(channel_node, + "mipi-sdca-cluster-channel-relationship", + &tmp); + if (ret) { + dev_err(dev, "cluster %#x: channel %#x: missing relationship: %d\n", + cluster->id, channel->id, ret); + return ret; + } + + channel->relationship = tmp; + + dev_info(dev, "cluster %#x: channel id %#x purpose %#x relationship %#x\n", + cluster->id, channel->id, channel->purpose, channel->relationship); + + return 0; +} + +static int find_sdca_cluster_channels(struct device *dev, + struct fwnode_handle *cluster_node, + struct sdca_cluster *cluster) +{ + struct sdca_channel *channels; + u32 num_channels; + int i, ret; + + ret = fwnode_property_read_u32(cluster_node, "mipi-sdca-channel-count", + &num_channels); + if (ret < 0) { + dev_err(dev, "cluster %#x: failed to read channel list: %d\n", + cluster->id, ret); + return ret; + } else if (num_channels > SDCA_MAX_CHANNEL_COUNT) { + dev_err(dev, "cluster %#x: maximum number of channels exceeded\n", + cluster->id); + return -EINVAL; + } + + channels = devm_kcalloc(dev, num_channels, sizeof(*channels), GFP_KERNEL); + if (!channels) + return -ENOMEM; + + for (i = 0; i < num_channels; i++) { + char channel_property[SDCA_PROPERTY_LENGTH]; + struct fwnode_handle *channel_node; + + /* DisCo uses upper-case for hex numbers */ + snprintf(channel_property, sizeof(channel_property), + "mipi-sdca-channel-%d-subproperties", i + 1); + + channel_node = fwnode_get_named_child_node(cluster_node, channel_property); + if (!channel_node) { + dev_err(dev, "cluster %#x: channel node %s not found\n", + cluster->id, channel_property); + return -EINVAL; + } + + ret = find_sdca_cluster_channel(dev, cluster, channel_node, &channels[i]); + fwnode_handle_put(channel_node); + if (ret) + return ret; + } + + cluster->num_channels = num_channels; + cluster->channels = channels; + + return 0; +} + +static int find_sdca_clusters(struct device *dev, + struct fwnode_handle *function_node, + struct sdca_function_data *function) +{ + u32 *cluster_list __free(kfree) = NULL; + struct sdca_cluster *clusters; + int num_clusters; + int i, ret; + + num_clusters = fwnode_property_count_u32(function_node, "mipi-sdca-cluster-id-list"); + if (!num_clusters || num_clusters == -EINVAL) { + return 0; + } else if (num_clusters < 0) { + dev_err(dev, "%pfwP: failed to read cluster id list: %d\n", + function_node, num_clusters); + return num_clusters; + } else if (num_clusters > SDCA_MAX_CLUSTER_COUNT) { + dev_err(dev, "%pfwP: maximum number of clusters exceeded\n", function_node); + return -EINVAL; + } + + clusters = devm_kcalloc(dev, num_clusters, sizeof(*clusters), GFP_KERNEL); + if (!clusters) + return -ENOMEM; + + cluster_list = kcalloc(num_clusters, sizeof(*cluster_list), GFP_KERNEL); + if (!cluster_list) + return -ENOMEM; + + fwnode_property_read_u32_array(function_node, "mipi-sdca-cluster-id-list", + cluster_list, num_clusters); + + for (i = 0; i < num_clusters; i++) + clusters[i].id = cluster_list[i]; + + /* now read subproperties */ + for (i = 0; i < num_clusters; i++) { + char cluster_property[SDCA_PROPERTY_LENGTH]; + struct fwnode_handle *cluster_node; + + /* DisCo uses upper-case for hex numbers */ + snprintf(cluster_property, sizeof(cluster_property), + "mipi-sdca-cluster-id-0x%X-subproperties", clusters[i].id); + + cluster_node = fwnode_get_named_child_node(function_node, cluster_property); + if (!cluster_node) { + dev_err(dev, "%pfwP: cluster node %s not found\n", + function_node, cluster_property); + return -EINVAL; + } + + ret = find_sdca_cluster_channels(dev, cluster_node, &clusters[i]); + fwnode_handle_put(cluster_node); + if (ret) + return ret; + } + + function->num_clusters = num_clusters; + function->clusters = clusters; + + return 0; +} + +/** + * sdca_parse_function - parse ACPI DisCo for a Function + * @dev: Pointer to device against which function data will be allocated. + * @function_desc: Pointer to the Function short descriptor. + * @function: Pointer to the Function information, to be populated. + * + * Return: Returns 0 for success. + */ +int sdca_parse_function(struct device *dev, + struct sdca_function_desc *function_desc, + struct sdca_function_data *function) +{ + u32 tmp; + int ret; + + function->desc = function_desc; + + ret = fwnode_property_read_u32(function_desc->node, + "mipi-sdca-function-busy-max-delay", &tmp); + if (!ret) + function->busy_max_delay = tmp; + + dev_info(dev, "%pfwP: name %s delay %dus\n", function->desc->node, + function->desc->name, function->busy_max_delay); + + ret = find_sdca_init_table(dev, function_desc->node, function); + if (ret) + return ret; + + ret = find_sdca_entities(dev, function_desc->node, function); + if (ret) + return ret; + + ret = find_sdca_connections(dev, function_desc->node, function); + if (ret) + return ret; + + ret = find_sdca_clusters(dev, function_desc->node, function); + if (ret < 0) + return ret; + + return 0; +} +EXPORT_SYMBOL_NS(sdca_parse_function, "SND_SOC_SDCA"); + MODULE_LICENSE("Dual BSD/GPL"); MODULE_DESCRIPTION("SDCA library"); |