diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/bios/bios_parser.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/bios/bios_parser.c | 3871 |
1 files changed, 3871 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c new file mode 100644 index 000000000000..86e6438c5cf3 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c @@ -0,0 +1,3871 @@ +/* + * Copyright 2012-15 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#include "dm_services.h" + +#include "atom.h" + +#include "dc_bios_types.h" +#include "include/gpio_service_interface.h" +#include "include/grph_object_ctrl_defs.h" +#include "include/bios_parser_interface.h" +#include "include/i2caux_interface.h" +#include "include/logger_interface.h" + +#include "command_table.h" +#include "bios_parser_helper.h" +#include "command_table_helper.h" +#include "bios_parser.h" +#include "bios_parser_types_internal.h" +#include "bios_parser_interface.h" + +#include "bios_parser_common.h" +/* TODO remove - only needed for default i2c speed */ +#include "dc.h" + +#define THREE_PERCENT_OF_10000 300 + +#define LAST_RECORD_TYPE 0xff + +/* GUID to validate external display connection info table (aka OPM module) */ +static const uint8_t ext_display_connection_guid[NUMBER_OF_UCHAR_FOR_GUID] = { + 0x91, 0x6E, 0x57, 0x09, + 0x3F, 0x6D, 0xD2, 0x11, + 0x39, 0x8E, 0x00, 0xA0, + 0xC9, 0x69, 0x72, 0x3B}; + +#define DATA_TABLES(table) (bp->master_data_tbl->ListOfDataTables.table) + +static void get_atom_data_table_revision( + ATOM_COMMON_TABLE_HEADER *atom_data_tbl, + struct atom_data_revision *tbl_revision); +static uint32_t get_dst_number_from_object(struct bios_parser *bp, + ATOM_OBJECT *object); +static uint32_t get_src_obj_list(struct bios_parser *bp, ATOM_OBJECT *object, + uint16_t **id_list); +static uint32_t get_dest_obj_list(struct bios_parser *bp, + ATOM_OBJECT *object, uint16_t **id_list); +static ATOM_OBJECT *get_bios_object(struct bios_parser *bp, + struct graphics_object_id id); +static enum bp_result get_gpio_i2c_info(struct bios_parser *bp, + ATOM_I2C_RECORD *record, + struct graphics_object_i2c_info *info); +static ATOM_HPD_INT_RECORD *get_hpd_record(struct bios_parser *bp, + ATOM_OBJECT *object); +static struct device_id device_type_from_device_id(uint16_t device_id); +static uint32_t signal_to_ss_id(enum as_signal_type signal); +static uint32_t get_support_mask_for_device_id(struct device_id device_id); +static ATOM_ENCODER_CAP_RECORD_V2 *get_encoder_cap_record( + struct bios_parser *bp, + ATOM_OBJECT *object); + +#define BIOS_IMAGE_SIZE_OFFSET 2 +#define BIOS_IMAGE_SIZE_UNIT 512 + +/*****************************************************************************/ +static bool bios_parser_construct( + struct bios_parser *bp, + struct bp_init_data *init, + enum dce_version dce_version); + +static uint8_t bios_parser_get_connectors_number( + struct dc_bios *dcb); + +static enum bp_result bios_parser_get_embedded_panel_info( + struct dc_bios *dcb, + struct embedded_panel_info *info); + +/*****************************************************************************/ + +struct dc_bios *bios_parser_create( + struct bp_init_data *init, + enum dce_version dce_version) +{ + struct bios_parser *bp = NULL; + + bp = kzalloc(sizeof(struct bios_parser), GFP_KERNEL); + if (!bp) + return NULL; + + if (bios_parser_construct(bp, init, dce_version)) + return &bp->base; + + kfree(bp); + BREAK_TO_DEBUGGER(); + return NULL; +} + +static void destruct(struct bios_parser *bp) +{ + kfree(bp->base.bios_local_image); + kfree(bp->base.integrated_info); +} + +static void bios_parser_destroy(struct dc_bios **dcb) +{ + struct bios_parser *bp = BP_FROM_DCB(*dcb); + + if (!bp) { + BREAK_TO_DEBUGGER(); + return; + } + + destruct(bp); + + kfree(bp); + *dcb = NULL; +} + +static uint8_t get_number_of_objects(struct bios_parser *bp, uint32_t offset) +{ + ATOM_OBJECT_TABLE *table; + + uint32_t object_table_offset = bp->object_info_tbl_offset + offset; + + table = GET_IMAGE(ATOM_OBJECT_TABLE, object_table_offset); + + if (!table) + return 0; + else + return table->ucNumberOfObjects; +} + +static uint8_t bios_parser_get_connectors_number(struct dc_bios *dcb) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + + return get_number_of_objects(bp, + le16_to_cpu(bp->object_info_tbl.v1_1->usConnectorObjectTableOffset)); +} + +static struct graphics_object_id bios_parser_get_encoder_id( + struct dc_bios *dcb, + uint32_t i) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + struct graphics_object_id object_id = dal_graphics_object_id_init( + 0, ENUM_ID_UNKNOWN, OBJECT_TYPE_UNKNOWN); + + uint32_t encoder_table_offset = bp->object_info_tbl_offset + + le16_to_cpu(bp->object_info_tbl.v1_1->usEncoderObjectTableOffset); + + ATOM_OBJECT_TABLE *tbl = + GET_IMAGE(ATOM_OBJECT_TABLE, encoder_table_offset); + + if (tbl && tbl->ucNumberOfObjects > i) { + const uint16_t id = le16_to_cpu(tbl->asObjects[i].usObjectID); + + object_id = object_id_from_bios_object_id(id); + } + + return object_id; +} + +static struct graphics_object_id bios_parser_get_connector_id( + struct dc_bios *dcb, + uint8_t i) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + struct graphics_object_id object_id = dal_graphics_object_id_init( + 0, ENUM_ID_UNKNOWN, OBJECT_TYPE_UNKNOWN); + + uint32_t connector_table_offset = bp->object_info_tbl_offset + + le16_to_cpu(bp->object_info_tbl.v1_1->usConnectorObjectTableOffset); + + ATOM_OBJECT_TABLE *tbl = + GET_IMAGE(ATOM_OBJECT_TABLE, connector_table_offset); + + if (tbl && tbl->ucNumberOfObjects > i) { + const uint16_t id = le16_to_cpu(tbl->asObjects[i].usObjectID); + + object_id = object_id_from_bios_object_id(id); + } + + return object_id; +} + +static uint32_t bios_parser_get_dst_number(struct dc_bios *dcb, + struct graphics_object_id id) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + ATOM_OBJECT *object = get_bios_object(bp, id); + + return get_dst_number_from_object(bp, object); +} + +static enum bp_result bios_parser_get_src_obj(struct dc_bios *dcb, + struct graphics_object_id object_id, uint32_t index, + struct graphics_object_id *src_object_id) +{ + uint32_t number; + uint16_t *id; + ATOM_OBJECT *object; + struct bios_parser *bp = BP_FROM_DCB(dcb); + + if (!src_object_id) + return BP_RESULT_BADINPUT; + + object = get_bios_object(bp, object_id); + + if (!object) { + BREAK_TO_DEBUGGER(); /* Invalid object id */ + return BP_RESULT_BADINPUT; + } + + number = get_src_obj_list(bp, object, &id); + + if (number <= index) + return BP_RESULT_BADINPUT; + + *src_object_id = object_id_from_bios_object_id(id[index]); + + return BP_RESULT_OK; +} + +static enum bp_result bios_parser_get_dst_obj(struct dc_bios *dcb, + struct graphics_object_id object_id, uint32_t index, + struct graphics_object_id *dest_object_id) +{ + uint32_t number; + uint16_t *id = NULL; + ATOM_OBJECT *object; + struct bios_parser *bp = BP_FROM_DCB(dcb); + + if (!dest_object_id) + return BP_RESULT_BADINPUT; + + object = get_bios_object(bp, object_id); + + number = get_dest_obj_list(bp, object, &id); + + if (number <= index || !id) + return BP_RESULT_BADINPUT; + + *dest_object_id = object_id_from_bios_object_id(id[index]); + + return BP_RESULT_OK; +} + +static enum bp_result bios_parser_get_i2c_info(struct dc_bios *dcb, + struct graphics_object_id id, + struct graphics_object_i2c_info *info) +{ + uint32_t offset; + ATOM_OBJECT *object; + ATOM_COMMON_RECORD_HEADER *header; + ATOM_I2C_RECORD *record; + struct bios_parser *bp = BP_FROM_DCB(dcb); + + if (!info) + return BP_RESULT_BADINPUT; + + object = get_bios_object(bp, id); + + if (!object) + return BP_RESULT_BADINPUT; + + offset = le16_to_cpu(object->usRecordOffset) + + bp->object_info_tbl_offset; + + for (;;) { + header = GET_IMAGE(ATOM_COMMON_RECORD_HEADER, offset); + + if (!header) + return BP_RESULT_BADBIOSTABLE; + + if (LAST_RECORD_TYPE == header->ucRecordType || + !header->ucRecordSize) + break; + + if (ATOM_I2C_RECORD_TYPE == header->ucRecordType + && sizeof(ATOM_I2C_RECORD) <= header->ucRecordSize) { + /* get the I2C info */ + record = (ATOM_I2C_RECORD *) header; + + if (get_gpio_i2c_info(bp, record, info) == BP_RESULT_OK) + return BP_RESULT_OK; + } + + offset += header->ucRecordSize; + } + + return BP_RESULT_NORECORD; +} + +static enum bp_result get_voltage_ddc_info_v1(uint8_t *i2c_line, + ATOM_COMMON_TABLE_HEADER *header, + uint8_t *address) +{ + enum bp_result result = BP_RESULT_NORECORD; + ATOM_VOLTAGE_OBJECT_INFO *info = + (ATOM_VOLTAGE_OBJECT_INFO *) address; + + uint8_t *voltage_current_object = (uint8_t *) &info->asVoltageObj[0]; + + while ((address + le16_to_cpu(header->usStructureSize)) > voltage_current_object) { + ATOM_VOLTAGE_OBJECT *object = + (ATOM_VOLTAGE_OBJECT *) voltage_current_object; + + if ((object->ucVoltageType == SET_VOLTAGE_INIT_MODE) && + (object->ucVoltageType & + VOLTAGE_CONTROLLED_BY_I2C_MASK)) { + + *i2c_line = object->asControl.ucVoltageControlI2cLine + ^ 0x90; + result = BP_RESULT_OK; + break; + } + + voltage_current_object += object->ucSize; + } + return result; +} + +static enum bp_result get_voltage_ddc_info_v3(uint8_t *i2c_line, + uint32_t index, + ATOM_COMMON_TABLE_HEADER *header, + uint8_t *address) +{ + enum bp_result result = BP_RESULT_NORECORD; + ATOM_VOLTAGE_OBJECT_INFO_V3_1 *info = + (ATOM_VOLTAGE_OBJECT_INFO_V3_1 *) address; + + uint8_t *voltage_current_object = + (uint8_t *) (&(info->asVoltageObj[0])); + + while ((address + le16_to_cpu(header->usStructureSize)) > voltage_current_object) { + ATOM_I2C_VOLTAGE_OBJECT_V3 *object = + (ATOM_I2C_VOLTAGE_OBJECT_V3 *) voltage_current_object; + + if (object->sHeader.ucVoltageMode == + ATOM_INIT_VOLTAGE_REGULATOR) { + if (object->sHeader.ucVoltageType == index) { + *i2c_line = object->ucVoltageControlI2cLine + ^ 0x90; + result = BP_RESULT_OK; + break; + } + } + + voltage_current_object += le16_to_cpu(object->sHeader.usSize); + } + return result; +} + +static enum bp_result bios_parser_get_thermal_ddc_info( + struct dc_bios *dcb, + uint32_t i2c_channel_id, + struct graphics_object_i2c_info *info) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + ATOM_I2C_ID_CONFIG_ACCESS *config; + ATOM_I2C_RECORD record; + + if (!info) + return BP_RESULT_BADINPUT; + + config = (ATOM_I2C_ID_CONFIG_ACCESS *) &i2c_channel_id; + + record.sucI2cId.bfHW_Capable = config->sbfAccess.bfHW_Capable; + record.sucI2cId.bfI2C_LineMux = config->sbfAccess.bfI2C_LineMux; + record.sucI2cId.bfHW_EngineID = config->sbfAccess.bfHW_EngineID; + + return get_gpio_i2c_info(bp, &record, info); +} + +static enum bp_result bios_parser_get_voltage_ddc_info(struct dc_bios *dcb, + uint32_t index, + struct graphics_object_i2c_info *info) +{ + uint8_t i2c_line = 0; + enum bp_result result = BP_RESULT_NORECORD; + uint8_t *voltage_info_address; + ATOM_COMMON_TABLE_HEADER *header; + struct atom_data_revision revision = {0}; + struct bios_parser *bp = BP_FROM_DCB(dcb); + + if (!DATA_TABLES(VoltageObjectInfo)) + return result; + + voltage_info_address = bios_get_image(&bp->base, DATA_TABLES(VoltageObjectInfo), sizeof(ATOM_COMMON_TABLE_HEADER)); + + header = (ATOM_COMMON_TABLE_HEADER *) voltage_info_address; + + get_atom_data_table_revision(header, &revision); + + switch (revision.major) { + case 1: + case 2: + result = get_voltage_ddc_info_v1(&i2c_line, header, + voltage_info_address); + break; + case 3: + if (revision.minor != 1) + break; + result = get_voltage_ddc_info_v3(&i2c_line, index, header, + voltage_info_address); + break; + } + + if (result == BP_RESULT_OK) + result = bios_parser_get_thermal_ddc_info(dcb, + i2c_line, info); + + return result; +} + +/* TODO: temporary commented out to suppress 'defined but not used' warning */ +#if 0 +static enum bp_result bios_parser_get_ddc_info_for_i2c_line( + struct bios_parser *bp, + uint8_t i2c_line, struct graphics_object_i2c_info *info) +{ + uint32_t offset; + ATOM_OBJECT *object; + ATOM_OBJECT_TABLE *table; + uint32_t i; + + if (!info) + return BP_RESULT_BADINPUT; + + offset = le16_to_cpu(bp->object_info_tbl.v1_1->usConnectorObjectTableOffset); + + offset += bp->object_info_tbl_offset; + + table = GET_IMAGE(ATOM_OBJECT_TABLE, offset); + + if (!table) + return BP_RESULT_BADBIOSTABLE; + + for (i = 0; i < table->ucNumberOfObjects; i++) { + object = &table->asObjects[i]; + + if (!object) { + BREAK_TO_DEBUGGER(); /* Invalid object id */ + return BP_RESULT_BADINPUT; + } + + offset = le16_to_cpu(object->usRecordOffset) + + bp->object_info_tbl_offset; + + for (;;) { + ATOM_COMMON_RECORD_HEADER *header = + GET_IMAGE(ATOM_COMMON_RECORD_HEADER, offset); + + if (!header) + return BP_RESULT_BADBIOSTABLE; + + offset += header->ucRecordSize; + + if (LAST_RECORD_TYPE == header->ucRecordType || + !header->ucRecordSize) + break; + + if (ATOM_I2C_RECORD_TYPE == header->ucRecordType + && sizeof(ATOM_I2C_RECORD) <= + header->ucRecordSize) { + ATOM_I2C_RECORD *record = + (ATOM_I2C_RECORD *) header; + + if (i2c_line != record->sucI2cId.bfI2C_LineMux) + continue; + + /* get the I2C info */ + if (get_gpio_i2c_info(bp, record, info) == + BP_RESULT_OK) + return BP_RESULT_OK; + } + } + } + + return BP_RESULT_NORECORD; +} +#endif + +static enum bp_result bios_parser_get_hpd_info(struct dc_bios *dcb, + struct graphics_object_id id, + struct graphics_object_hpd_info *info) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + ATOM_OBJECT *object; + ATOM_HPD_INT_RECORD *record = NULL; + + if (!info) + return BP_RESULT_BADINPUT; + + object = get_bios_object(bp, id); + + if (!object) + return BP_RESULT_BADINPUT; + + record = get_hpd_record(bp, object); + + if (record != NULL) { + info->hpd_int_gpio_uid = record->ucHPDIntGPIOID; + info->hpd_active = record->ucPlugged_PinState; + return BP_RESULT_OK; + } + + return BP_RESULT_NORECORD; +} + +static enum bp_result bios_parser_get_device_tag_record( + struct bios_parser *bp, + ATOM_OBJECT *object, + ATOM_CONNECTOR_DEVICE_TAG_RECORD **record) +{ + ATOM_COMMON_RECORD_HEADER *header; + uint32_t offset; + + offset = le16_to_cpu(object->usRecordOffset) + + bp->object_info_tbl_offset; + + for (;;) { + header = GET_IMAGE(ATOM_COMMON_RECORD_HEADER, offset); + + if (!header) + return BP_RESULT_BADBIOSTABLE; + + offset += header->ucRecordSize; + + if (LAST_RECORD_TYPE == header->ucRecordType || + !header->ucRecordSize) + break; + + if (ATOM_CONNECTOR_DEVICE_TAG_RECORD_TYPE != + header->ucRecordType) + continue; + + if (sizeof(ATOM_CONNECTOR_DEVICE_TAG) > header->ucRecordSize) + continue; + + *record = (ATOM_CONNECTOR_DEVICE_TAG_RECORD *) header; + return BP_RESULT_OK; + } + + return BP_RESULT_NORECORD; +} + +static enum bp_result bios_parser_get_device_tag( + struct dc_bios *dcb, + struct graphics_object_id connector_object_id, + uint32_t device_tag_index, + struct connector_device_tag_info *info) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + ATOM_OBJECT *object; + ATOM_CONNECTOR_DEVICE_TAG_RECORD *record = NULL; + ATOM_CONNECTOR_DEVICE_TAG *device_tag; + + if (!info) + return BP_RESULT_BADINPUT; + + /* getBiosObject will return MXM object */ + object = get_bios_object(bp, connector_object_id); + + if (!object) { + BREAK_TO_DEBUGGER(); /* Invalid object id */ + return BP_RESULT_BADINPUT; + } + + if (bios_parser_get_device_tag_record(bp, object, &record) + != BP_RESULT_OK) + return BP_RESULT_NORECORD; + + if (device_tag_index >= record->ucNumberOfDevice) + return BP_RESULT_NORECORD; + + device_tag = &record->asDeviceTag[device_tag_index]; + + info->acpi_device = le32_to_cpu(device_tag->ulACPIDeviceEnum); + info->dev_id = + device_type_from_device_id(le16_to_cpu(device_tag->usDeviceID)); + + return BP_RESULT_OK; +} + +static enum bp_result get_firmware_info_v1_4( + struct bios_parser *bp, + struct dc_firmware_info *info); +static enum bp_result get_firmware_info_v2_1( + struct bios_parser *bp, + struct dc_firmware_info *info); +static enum bp_result get_firmware_info_v2_2( + struct bios_parser *bp, + struct dc_firmware_info *info); + +static enum bp_result bios_parser_get_firmware_info( + struct dc_bios *dcb, + struct dc_firmware_info *info) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + enum bp_result result = BP_RESULT_BADBIOSTABLE; + ATOM_COMMON_TABLE_HEADER *header; + struct atom_data_revision revision; + + if (info && DATA_TABLES(FirmwareInfo)) { + header = GET_IMAGE(ATOM_COMMON_TABLE_HEADER, + DATA_TABLES(FirmwareInfo)); + get_atom_data_table_revision(header, &revision); + switch (revision.major) { + case 1: + switch (revision.minor) { + case 4: + result = get_firmware_info_v1_4(bp, info); + break; + default: + break; + } + break; + + case 2: + switch (revision.minor) { + case 1: + result = get_firmware_info_v2_1(bp, info); + break; + case 2: + result = get_firmware_info_v2_2(bp, info); + break; + default: + break; + } + break; + default: + break; + } + } + + return result; +} + +static enum bp_result get_firmware_info_v1_4( + struct bios_parser *bp, + struct dc_firmware_info *info) +{ + ATOM_FIRMWARE_INFO_V1_4 *firmware_info = + GET_IMAGE(ATOM_FIRMWARE_INFO_V1_4, + DATA_TABLES(FirmwareInfo)); + + if (!info) + return BP_RESULT_BADINPUT; + + if (!firmware_info) + return BP_RESULT_BADBIOSTABLE; + + memset(info, 0, sizeof(*info)); + + /* Pixel clock pll information. We need to convert from 10KHz units into + * KHz units */ + info->pll_info.crystal_frequency = + le16_to_cpu(firmware_info->usReferenceClock) * 10; + info->pll_info.min_input_pxl_clk_pll_frequency = + le16_to_cpu(firmware_info->usMinPixelClockPLL_Input) * 10; + info->pll_info.max_input_pxl_clk_pll_frequency = + le16_to_cpu(firmware_info->usMaxPixelClockPLL_Input) * 10; + info->pll_info.min_output_pxl_clk_pll_frequency = + le32_to_cpu(firmware_info->ulMinPixelClockPLL_Output) * 10; + info->pll_info.max_output_pxl_clk_pll_frequency = + le32_to_cpu(firmware_info->ulMaxPixelClockPLL_Output) * 10; + + if (firmware_info->usFirmwareCapability.sbfAccess.MemoryClockSS_Support) + /* Since there is no information on the SS, report conservative + * value 3% for bandwidth calculation */ + /* unit of 0.01% */ + info->feature.memory_clk_ss_percentage = THREE_PERCENT_OF_10000; + + if (firmware_info->usFirmwareCapability.sbfAccess.EngineClockSS_Support) + /* Since there is no information on the SS,report conservative + * value 3% for bandwidth calculation */ + /* unit of 0.01% */ + info->feature.engine_clk_ss_percentage = THREE_PERCENT_OF_10000; + + return BP_RESULT_OK; +} + +static enum bp_result get_ss_info_v3_1( + struct bios_parser *bp, + uint32_t id, + uint32_t index, + struct spread_spectrum_info *ss_info); + +static enum bp_result get_firmware_info_v2_1( + struct bios_parser *bp, + struct dc_firmware_info *info) +{ + ATOM_FIRMWARE_INFO_V2_1 *firmwareInfo = + GET_IMAGE(ATOM_FIRMWARE_INFO_V2_1, DATA_TABLES(FirmwareInfo)); + struct spread_spectrum_info internalSS; + uint32_t index; + + if (!info) + return BP_RESULT_BADINPUT; + + if (!firmwareInfo) + return BP_RESULT_BADBIOSTABLE; + + memset(info, 0, sizeof(*info)); + + /* Pixel clock pll information. We need to convert from 10KHz units into + * KHz units */ + info->pll_info.crystal_frequency = + le16_to_cpu(firmwareInfo->usCoreReferenceClock) * 10; + info->pll_info.min_input_pxl_clk_pll_frequency = + le16_to_cpu(firmwareInfo->usMinPixelClockPLL_Input) * 10; + info->pll_info.max_input_pxl_clk_pll_frequency = + le16_to_cpu(firmwareInfo->usMaxPixelClockPLL_Input) * 10; + info->pll_info.min_output_pxl_clk_pll_frequency = + le32_to_cpu(firmwareInfo->ulMinPixelClockPLL_Output) * 10; + info->pll_info.max_output_pxl_clk_pll_frequency = + le32_to_cpu(firmwareInfo->ulMaxPixelClockPLL_Output) * 10; + info->default_display_engine_pll_frequency = + le32_to_cpu(firmwareInfo->ulDefaultDispEngineClkFreq) * 10; + info->external_clock_source_frequency_for_dp = + le16_to_cpu(firmwareInfo->usUniphyDPModeExtClkFreq) * 10; + info->min_allowed_bl_level = firmwareInfo->ucMinAllowedBL_Level; + + /* There should be only one entry in the SS info table for Memory Clock + */ + index = 0; + if (firmwareInfo->usFirmwareCapability.sbfAccess.MemoryClockSS_Support) + /* Since there is no information for external SS, report + * conservative value 3% for bandwidth calculation */ + /* unit of 0.01% */ + info->feature.memory_clk_ss_percentage = THREE_PERCENT_OF_10000; + else if (get_ss_info_v3_1(bp, + ASIC_INTERNAL_MEMORY_SS, index, &internalSS) == BP_RESULT_OK) { + if (internalSS.spread_spectrum_percentage) { + info->feature.memory_clk_ss_percentage = + internalSS.spread_spectrum_percentage; + if (internalSS.type.CENTER_MODE) { + /* if it is centermode, the exact SS Percentage + * will be round up of half of the percentage + * reported in the SS table */ + ++info->feature.memory_clk_ss_percentage; + info->feature.memory_clk_ss_percentage /= 2; + } + } + } + + /* There should be only one entry in the SS info table for Engine Clock + */ + index = 1; + if (firmwareInfo->usFirmwareCapability.sbfAccess.EngineClockSS_Support) + /* Since there is no information for external SS, report + * conservative value 3% for bandwidth calculation */ + /* unit of 0.01% */ + info->feature.engine_clk_ss_percentage = THREE_PERCENT_OF_10000; + else if (get_ss_info_v3_1(bp, + ASIC_INTERNAL_ENGINE_SS, index, &internalSS) == BP_RESULT_OK) { + if (internalSS.spread_spectrum_percentage) { + info->feature.engine_clk_ss_percentage = + internalSS.spread_spectrum_percentage; + if (internalSS.type.CENTER_MODE) { + /* if it is centermode, the exact SS Percentage + * will be round up of half of the percentage + * reported in the SS table */ + ++info->feature.engine_clk_ss_percentage; + info->feature.engine_clk_ss_percentage /= 2; + } + } + } + + return BP_RESULT_OK; +} + +static enum bp_result get_firmware_info_v2_2( + struct bios_parser *bp, + struct dc_firmware_info *info) +{ + ATOM_FIRMWARE_INFO_V2_2 *firmware_info; + struct spread_spectrum_info internal_ss; + uint32_t index; + + if (!info) + return BP_RESULT_BADINPUT; + + firmware_info = GET_IMAGE(ATOM_FIRMWARE_INFO_V2_2, + DATA_TABLES(FirmwareInfo)); + + if (!firmware_info) + return BP_RESULT_BADBIOSTABLE; + + memset(info, 0, sizeof(*info)); + + /* Pixel clock pll information. We need to convert from 10KHz units into + * KHz units */ + info->pll_info.crystal_frequency = + le16_to_cpu(firmware_info->usCoreReferenceClock) * 10; + info->pll_info.min_input_pxl_clk_pll_frequency = + le16_to_cpu(firmware_info->usMinPixelClockPLL_Input) * 10; + info->pll_info.max_input_pxl_clk_pll_frequency = + le16_to_cpu(firmware_info->usMaxPixelClockPLL_Input) * 10; + info->pll_info.min_output_pxl_clk_pll_frequency = + le32_to_cpu(firmware_info->ulMinPixelClockPLL_Output) * 10; + info->pll_info.max_output_pxl_clk_pll_frequency = + le32_to_cpu(firmware_info->ulMaxPixelClockPLL_Output) * 10; + info->default_display_engine_pll_frequency = + le32_to_cpu(firmware_info->ulDefaultDispEngineClkFreq) * 10; + info->external_clock_source_frequency_for_dp = + le16_to_cpu(firmware_info->usUniphyDPModeExtClkFreq) * 10; + + /* There should be only one entry in the SS info table for Memory Clock + */ + index = 0; + if (firmware_info->usFirmwareCapability.sbfAccess.MemoryClockSS_Support) + /* Since there is no information for external SS, report + * conservative value 3% for bandwidth calculation */ + /* unit of 0.01% */ + info->feature.memory_clk_ss_percentage = THREE_PERCENT_OF_10000; + else if (get_ss_info_v3_1(bp, + ASIC_INTERNAL_MEMORY_SS, index, &internal_ss) == BP_RESULT_OK) { + if (internal_ss.spread_spectrum_percentage) { + info->feature.memory_clk_ss_percentage = + internal_ss.spread_spectrum_percentage; + if (internal_ss.type.CENTER_MODE) { + /* if it is centermode, the exact SS Percentage + * will be round up of half of the percentage + * reported in the SS table */ + ++info->feature.memory_clk_ss_percentage; + info->feature.memory_clk_ss_percentage /= 2; + } + } + } + + /* There should be only one entry in the SS info table for Engine Clock + */ + index = 1; + if (firmware_info->usFirmwareCapability.sbfAccess.EngineClockSS_Support) + /* Since there is no information for external SS, report + * conservative value 3% for bandwidth calculation */ + /* unit of 0.01% */ + info->feature.engine_clk_ss_percentage = THREE_PERCENT_OF_10000; + else if (get_ss_info_v3_1(bp, + ASIC_INTERNAL_ENGINE_SS, index, &internal_ss) == BP_RESULT_OK) { + if (internal_ss.spread_spectrum_percentage) { + info->feature.engine_clk_ss_percentage = + internal_ss.spread_spectrum_percentage; + if (internal_ss.type.CENTER_MODE) { + /* if it is centermode, the exact SS Percentage + * will be round up of half of the percentage + * reported in the SS table */ + ++info->feature.engine_clk_ss_percentage; + info->feature.engine_clk_ss_percentage /= 2; + } + } + } + + /* Remote Display */ + info->remote_display_config = firmware_info->ucRemoteDisplayConfig; + + /* Is allowed minimum BL level */ + info->min_allowed_bl_level = firmware_info->ucMinAllowedBL_Level; + /* Used starting from CI */ + info->smu_gpu_pll_output_freq = + (uint32_t) (le32_to_cpu(firmware_info->ulGPUPLL_OutputFreq) * 10); + + return BP_RESULT_OK; +} + +static enum bp_result get_ss_info_v3_1( + struct bios_parser *bp, + uint32_t id, + uint32_t index, + struct spread_spectrum_info *ss_info) +{ + ATOM_ASIC_INTERNAL_SS_INFO_V3 *ss_table_header_include; + ATOM_ASIC_SS_ASSIGNMENT_V3 *tbl; + uint32_t table_size; + uint32_t i; + uint32_t table_index = 0; + + if (!ss_info) + return BP_RESULT_BADINPUT; + + if (!DATA_TABLES(ASIC_InternalSS_Info)) + return BP_RESULT_UNSUPPORTED; + + ss_table_header_include = GET_IMAGE(ATOM_ASIC_INTERNAL_SS_INFO_V3, + DATA_TABLES(ASIC_InternalSS_Info)); + table_size = + (le16_to_cpu(ss_table_header_include->sHeader.usStructureSize) + - sizeof(ATOM_COMMON_TABLE_HEADER)) + / sizeof(ATOM_ASIC_SS_ASSIGNMENT_V3); + + tbl = (ATOM_ASIC_SS_ASSIGNMENT_V3 *) + &ss_table_header_include->asSpreadSpectrum[0]; + + memset(ss_info, 0, sizeof(struct spread_spectrum_info)); + + for (i = 0; i < table_size; i++) { + if (tbl[i].ucClockIndication != (uint8_t) id) + continue; + + if (table_index != index) { + table_index++; + continue; + } + /* VBIOS introduced new defines for Version 3, same values as + * before, so now use these new ones for Version 3. + * Shouldn't affect field VBIOS's V3 as define values are still + * same. + * #define SS_MODE_V3_CENTRE_SPREAD_MASK 0x01 + * #define SS_MODE_V3_EXTERNAL_SS_MASK 0x02 + + * Old VBIOS defines: + * #define ATOM_SS_CENTRE_SPREAD_MODE_MASK 0x00000001 + * #define ATOM_EXTERNAL_SS_MASK 0x00000002 + */ + + if (SS_MODE_V3_EXTERNAL_SS_MASK & tbl[i].ucSpreadSpectrumMode) + ss_info->type.EXTERNAL = true; + + if (SS_MODE_V3_CENTRE_SPREAD_MASK & tbl[i].ucSpreadSpectrumMode) + ss_info->type.CENTER_MODE = true; + + /* Older VBIOS (in field) always provides SS percentage in 0.01% + * units set Divider to 100 */ + ss_info->spread_percentage_divider = 100; + + /* #define SS_MODE_V3_PERCENTAGE_DIV_BY_1000_MASK 0x10 */ + if (SS_MODE_V3_PERCENTAGE_DIV_BY_1000_MASK + & tbl[i].ucSpreadSpectrumMode) + ss_info->spread_percentage_divider = 1000; + + ss_info->type.STEP_AND_DELAY_INFO = false; + /* convert [10KHz] into [KHz] */ + ss_info->target_clock_range = + le32_to_cpu(tbl[i].ulTargetClockRange) * 10; + ss_info->spread_spectrum_percentage = + (uint32_t)le16_to_cpu(tbl[i].usSpreadSpectrumPercentage); + ss_info->spread_spectrum_range = + (uint32_t)(le16_to_cpu(tbl[i].usSpreadRateIn10Hz) * 10); + + return BP_RESULT_OK; + } + return BP_RESULT_NORECORD; +} + +static enum bp_result bios_parser_transmitter_control( + struct dc_bios *dcb, + struct bp_transmitter_control *cntl) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + + if (!bp->cmd_tbl.transmitter_control) + return BP_RESULT_FAILURE; + + return bp->cmd_tbl.transmitter_control(bp, cntl); +} + +static enum bp_result bios_parser_encoder_control( + struct dc_bios *dcb, + struct bp_encoder_control *cntl) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + + if (!bp->cmd_tbl.dig_encoder_control) + return BP_RESULT_FAILURE; + + return bp->cmd_tbl.dig_encoder_control(bp, cntl); +} + +static enum bp_result bios_parser_adjust_pixel_clock( + struct dc_bios *dcb, + struct bp_adjust_pixel_clock_parameters *bp_params) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + + if (!bp->cmd_tbl.adjust_display_pll) + return BP_RESULT_FAILURE; + + return bp->cmd_tbl.adjust_display_pll(bp, bp_params); +} + +static enum bp_result bios_parser_set_pixel_clock( + struct dc_bios *dcb, + struct bp_pixel_clock_parameters *bp_params) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + + if (!bp->cmd_tbl.set_pixel_clock) + return BP_RESULT_FAILURE; + + return bp->cmd_tbl.set_pixel_clock(bp, bp_params); +} + +static enum bp_result bios_parser_set_dce_clock( + struct dc_bios *dcb, + struct bp_set_dce_clock_parameters *bp_params) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + + if (!bp->cmd_tbl.set_dce_clock) + return BP_RESULT_FAILURE; + + return bp->cmd_tbl.set_dce_clock(bp, bp_params); +} + +static enum bp_result bios_parser_enable_spread_spectrum_on_ppll( + struct dc_bios *dcb, + struct bp_spread_spectrum_parameters *bp_params, + bool enable) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + + if (!bp->cmd_tbl.enable_spread_spectrum_on_ppll) + return BP_RESULT_FAILURE; + + return bp->cmd_tbl.enable_spread_spectrum_on_ppll( + bp, bp_params, enable); + +} + +static enum bp_result bios_parser_program_crtc_timing( + struct dc_bios *dcb, + struct bp_hw_crtc_timing_parameters *bp_params) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + + if (!bp->cmd_tbl.set_crtc_timing) + return BP_RESULT_FAILURE; + + return bp->cmd_tbl.set_crtc_timing(bp, bp_params); +} + +static enum bp_result bios_parser_program_display_engine_pll( + struct dc_bios *dcb, + struct bp_pixel_clock_parameters *bp_params) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + + if (!bp->cmd_tbl.program_clock) + return BP_RESULT_FAILURE; + + return bp->cmd_tbl.program_clock(bp, bp_params); + +} + + +static enum bp_result bios_parser_enable_crtc( + struct dc_bios *dcb, + enum controller_id id, + bool enable) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + + if (!bp->cmd_tbl.enable_crtc) + return BP_RESULT_FAILURE; + + return bp->cmd_tbl.enable_crtc(bp, id, enable); +} + +static enum bp_result bios_parser_crtc_source_select( + struct dc_bios *dcb, + struct bp_crtc_source_select *bp_params) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + + if (!bp->cmd_tbl.select_crtc_source) + return BP_RESULT_FAILURE; + + return bp->cmd_tbl.select_crtc_source(bp, bp_params); +} + +static enum bp_result bios_parser_enable_disp_power_gating( + struct dc_bios *dcb, + enum controller_id controller_id, + enum bp_pipe_control_action action) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + + if (!bp->cmd_tbl.enable_disp_power_gating) + return BP_RESULT_FAILURE; + + return bp->cmd_tbl.enable_disp_power_gating(bp, controller_id, + action); +} + +static bool bios_parser_is_device_id_supported( + struct dc_bios *dcb, + struct device_id id) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + + uint32_t mask = get_support_mask_for_device_id(id); + + return (le16_to_cpu(bp->object_info_tbl.v1_1->usDeviceSupport) & mask) != 0; +} + +static enum bp_result bios_parser_crt_control( + struct dc_bios *dcb, + enum engine_id engine_id, + bool enable, + uint32_t pixel_clock) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + uint8_t standard; + + if (!bp->cmd_tbl.dac1_encoder_control && + engine_id == ENGINE_ID_DACA) + return BP_RESULT_FAILURE; + if (!bp->cmd_tbl.dac2_encoder_control && + engine_id == ENGINE_ID_DACB) + return BP_RESULT_FAILURE; + /* validate params */ + switch (engine_id) { + case ENGINE_ID_DACA: + case ENGINE_ID_DACB: + break; + default: + /* unsupported engine */ + return BP_RESULT_FAILURE; + } + + standard = ATOM_DAC1_PS2; /* == ATOM_DAC2_PS2 */ + + if (enable) { + if (engine_id == ENGINE_ID_DACA) { + bp->cmd_tbl.dac1_encoder_control(bp, enable, + pixel_clock, standard); + if (bp->cmd_tbl.dac1_output_control != NULL) + bp->cmd_tbl.dac1_output_control(bp, enable); + } else { + bp->cmd_tbl.dac2_encoder_control(bp, enable, + pixel_clock, standard); + if (bp->cmd_tbl.dac2_output_control != NULL) + bp->cmd_tbl.dac2_output_control(bp, enable); + } + } else { + if (engine_id == ENGINE_ID_DACA) { + if (bp->cmd_tbl.dac1_output_control != NULL) + bp->cmd_tbl.dac1_output_control(bp, enable); + bp->cmd_tbl.dac1_encoder_control(bp, enable, + pixel_clock, standard); + } else { + if (bp->cmd_tbl.dac2_output_control != NULL) + bp->cmd_tbl.dac2_output_control(bp, enable); + bp->cmd_tbl.dac2_encoder_control(bp, enable, + pixel_clock, standard); + } + } + + return BP_RESULT_OK; +} + +static ATOM_HPD_INT_RECORD *get_hpd_record(struct bios_parser *bp, + ATOM_OBJECT *object) +{ + ATOM_COMMON_RECORD_HEADER *header; + uint32_t offset; + + if (!object) { + BREAK_TO_DEBUGGER(); /* Invalid object */ + return NULL; + } + + offset = le16_to_cpu(object->usRecordOffset) + + bp->object_info_tbl_offset; + + for (;;) { + header = GET_IMAGE(ATOM_COMMON_RECORD_HEADER, offset); + + if (!header) + return NULL; + + if (LAST_RECORD_TYPE == header->ucRecordType || + !header->ucRecordSize) + break; + + if (ATOM_HPD_INT_RECORD_TYPE == header->ucRecordType + && sizeof(ATOM_HPD_INT_RECORD) <= header->ucRecordSize) + return (ATOM_HPD_INT_RECORD *) header; + + offset += header->ucRecordSize; + } + + return NULL; +} + +/** + * Get I2C information of input object id + * + * search all records to find the ATOM_I2C_RECORD_TYPE record IR + */ +static ATOM_I2C_RECORD *get_i2c_record( + struct bios_parser *bp, + ATOM_OBJECT *object) +{ + uint32_t offset; + ATOM_COMMON_RECORD_HEADER *record_header; + + if (!object) { + BREAK_TO_DEBUGGER(); + /* Invalid object */ + return NULL; + } + + offset = le16_to_cpu(object->usRecordOffset) + + bp->object_info_tbl_offset; + + for (;;) { + record_header = GET_IMAGE(ATOM_COMMON_RECORD_HEADER, offset); + + if (!record_header) + return NULL; + + if (LAST_RECORD_TYPE == record_header->ucRecordType || + 0 == record_header->ucRecordSize) + break; + + if (ATOM_I2C_RECORD_TYPE == record_header->ucRecordType && + sizeof(ATOM_I2C_RECORD) <= + record_header->ucRecordSize) { + return (ATOM_I2C_RECORD *)record_header; + } + + offset += record_header->ucRecordSize; + } + + return NULL; +} + +static enum bp_result get_ss_info_from_ss_info_table( + struct bios_parser *bp, + uint32_t id, + struct spread_spectrum_info *ss_info); +static enum bp_result get_ss_info_from_tbl( + struct bios_parser *bp, + uint32_t id, + struct spread_spectrum_info *ss_info); +/** + * bios_parser_get_spread_spectrum_info + * Get spread spectrum information from the ASIC_InternalSS_Info(ver 2.1 or + * ver 3.1) or SS_Info table from the VBIOS. Currently ASIC_InternalSS_Info + * ver 2.1 can co-exist with SS_Info table. Expect ASIC_InternalSS_Info ver 3.1, + * there is only one entry for each signal /ss id. However, there is + * no planning of supporting multiple spread Sprectum entry for EverGreen + * @param [in] this + * @param [in] signal, ASSignalType to be converted to info index + * @param [in] index, number of entries that match the converted info index + * @param [out] ss_info, sprectrum information structure, + * @return Bios parser result code + */ +static enum bp_result bios_parser_get_spread_spectrum_info( + struct dc_bios *dcb, + enum as_signal_type signal, + uint32_t index, + struct spread_spectrum_info *ss_info) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + enum bp_result result = BP_RESULT_UNSUPPORTED; + uint32_t clk_id_ss = 0; + ATOM_COMMON_TABLE_HEADER *header; + struct atom_data_revision tbl_revision; + + if (!ss_info) /* check for bad input */ + return BP_RESULT_BADINPUT; + /* signal translation */ + clk_id_ss = signal_to_ss_id(signal); + + if (!DATA_TABLES(ASIC_InternalSS_Info)) + if (!index) + return get_ss_info_from_ss_info_table(bp, clk_id_ss, + ss_info); + + header = GET_IMAGE(ATOM_COMMON_TABLE_HEADER, + DATA_TABLES(ASIC_InternalSS_Info)); + get_atom_data_table_revision(header, &tbl_revision); + + switch (tbl_revision.major) { + case 2: + switch (tbl_revision.minor) { + case 1: + /* there can not be more then one entry for Internal + * SS Info table version 2.1 */ + if (!index) + return get_ss_info_from_tbl(bp, clk_id_ss, + ss_info); + break; + default: + break; + } + break; + + case 3: + switch (tbl_revision.minor) { + case 1: + return get_ss_info_v3_1(bp, clk_id_ss, index, ss_info); + default: + break; + } + break; + default: + break; + } + /* there can not be more then one entry for SS Info table */ + return result; +} + +static enum bp_result get_ss_info_from_internal_ss_info_tbl_V2_1( + struct bios_parser *bp, + uint32_t id, + struct spread_spectrum_info *info); + +/** + * get_ss_info_from_table + * Get spread sprectrum information from the ASIC_InternalSS_Info Ver 2.1 or + * SS_Info table from the VBIOS + * There can not be more than 1 entry for ASIC_InternalSS_Info Ver 2.1 or + * SS_Info. + * + * @param this + * @param id, spread sprectrum info index + * @param pSSinfo, sprectrum information structure, + * @return Bios parser result code + */ +static enum bp_result get_ss_info_from_tbl( + struct bios_parser *bp, + uint32_t id, + struct spread_spectrum_info *ss_info) +{ + if (!ss_info) /* check for bad input, if ss_info is not NULL */ + return BP_RESULT_BADINPUT; + /* for SS_Info table only support DP and LVDS */ + if (id == ASIC_INTERNAL_SS_ON_DP || id == ASIC_INTERNAL_SS_ON_LVDS) + return get_ss_info_from_ss_info_table(bp, id, ss_info); + else + return get_ss_info_from_internal_ss_info_tbl_V2_1(bp, id, + ss_info); +} + +/** + * get_ss_info_from_internal_ss_info_tbl_V2_1 + * Get spread sprectrum information from the ASIC_InternalSS_Info table Ver 2.1 + * from the VBIOS + * There will not be multiple entry for Ver 2.1 + * + * @param id, spread sprectrum info index + * @param pSSinfo, sprectrum information structure, + * @return Bios parser result code + */ +static enum bp_result get_ss_info_from_internal_ss_info_tbl_V2_1( + struct bios_parser *bp, + uint32_t id, + struct spread_spectrum_info *info) +{ + enum bp_result result = BP_RESULT_UNSUPPORTED; + ATOM_ASIC_INTERNAL_SS_INFO_V2 *header; + ATOM_ASIC_SS_ASSIGNMENT_V2 *tbl; + uint32_t tbl_size, i; + + if (!DATA_TABLES(ASIC_InternalSS_Info)) + return result; + + header = GET_IMAGE(ATOM_ASIC_INTERNAL_SS_INFO_V2, + DATA_TABLES(ASIC_InternalSS_Info)); + + memset(info, 0, sizeof(struct spread_spectrum_info)); + + tbl_size = (le16_to_cpu(header->sHeader.usStructureSize) + - sizeof(ATOM_COMMON_TABLE_HEADER)) + / sizeof(ATOM_ASIC_SS_ASSIGNMENT_V2); + + tbl = (ATOM_ASIC_SS_ASSIGNMENT_V2 *) + &(header->asSpreadSpectrum[0]); + for (i = 0; i < tbl_size; i++) { + result = BP_RESULT_NORECORD; + + if (tbl[i].ucClockIndication != (uint8_t)id) + continue; + + if (ATOM_EXTERNAL_SS_MASK + & tbl[i].ucSpreadSpectrumMode) { + info->type.EXTERNAL = true; + } + if (ATOM_SS_CENTRE_SPREAD_MODE_MASK + & tbl[i].ucSpreadSpectrumMode) { + info->type.CENTER_MODE = true; + } + info->type.STEP_AND_DELAY_INFO = false; + /* convert [10KHz] into [KHz] */ + info->target_clock_range = + le32_to_cpu(tbl[i].ulTargetClockRange) * 10; + info->spread_spectrum_percentage = + (uint32_t)le16_to_cpu(tbl[i].usSpreadSpectrumPercentage); + info->spread_spectrum_range = + (uint32_t)(le16_to_cpu(tbl[i].usSpreadRateIn10Hz) * 10); + result = BP_RESULT_OK; + break; + } + + return result; + +} + +/** + * get_ss_info_from_ss_info_table + * Get spread sprectrum information from the SS_Info table from the VBIOS + * if the pointer to info is NULL, indicate the caller what to know the number + * of entries that matches the id + * for, the SS_Info table, there should not be more than 1 entry match. + * + * @param [in] id, spread sprectrum id + * @param [out] pSSinfo, sprectrum information structure, + * @return Bios parser result code + */ +static enum bp_result get_ss_info_from_ss_info_table( + struct bios_parser *bp, + uint32_t id, + struct spread_spectrum_info *ss_info) +{ + enum bp_result result = BP_RESULT_UNSUPPORTED; + ATOM_SPREAD_SPECTRUM_INFO *tbl; + ATOM_COMMON_TABLE_HEADER *header; + uint32_t table_size; + uint32_t i; + uint32_t id_local = SS_ID_UNKNOWN; + struct atom_data_revision revision; + + /* exist of the SS_Info table */ + /* check for bad input, pSSinfo can not be NULL */ + if (!DATA_TABLES(SS_Info) || !ss_info) + return result; + + header = GET_IMAGE(ATOM_COMMON_TABLE_HEADER, DATA_TABLES(SS_Info)); + get_atom_data_table_revision(header, &revision); + + tbl = GET_IMAGE(ATOM_SPREAD_SPECTRUM_INFO, DATA_TABLES(SS_Info)); + + if (1 != revision.major || 2 > revision.minor) + return result; + + /* have to convert from Internal_SS format to SS_Info format */ + switch (id) { + case ASIC_INTERNAL_SS_ON_DP: + id_local = SS_ID_DP1; + break; + case ASIC_INTERNAL_SS_ON_LVDS: + { + struct embedded_panel_info panel_info; + + if (bios_parser_get_embedded_panel_info(&bp->base, &panel_info) + == BP_RESULT_OK) + id_local = panel_info.ss_id; + break; + } + default: + break; + } + + if (id_local == SS_ID_UNKNOWN) + return result; + + table_size = (le16_to_cpu(tbl->sHeader.usStructureSize) - + sizeof(ATOM_COMMON_TABLE_HEADER)) / + sizeof(ATOM_SPREAD_SPECTRUM_ASSIGNMENT); + + for (i = 0; i < table_size; i++) { + if (id_local != (uint32_t)tbl->asSS_Info[i].ucSS_Id) + continue; + + memset(ss_info, 0, sizeof(struct spread_spectrum_info)); + + if (ATOM_EXTERNAL_SS_MASK & + tbl->asSS_Info[i].ucSpreadSpectrumType) + ss_info->type.EXTERNAL = true; + + if (ATOM_SS_CENTRE_SPREAD_MODE_MASK & + tbl->asSS_Info[i].ucSpreadSpectrumType) + ss_info->type.CENTER_MODE = true; + + ss_info->type.STEP_AND_DELAY_INFO = true; + ss_info->spread_spectrum_percentage = + (uint32_t)le16_to_cpu(tbl->asSS_Info[i].usSpreadSpectrumPercentage); + ss_info->step_and_delay_info.step = tbl->asSS_Info[i].ucSS_Step; + ss_info->step_and_delay_info.delay = + tbl->asSS_Info[i].ucSS_Delay; + ss_info->step_and_delay_info.recommended_ref_div = + tbl->asSS_Info[i].ucRecommendedRef_Div; + ss_info->spread_spectrum_range = + (uint32_t)tbl->asSS_Info[i].ucSS_Range * 10000; + + /* there will be only one entry for each display type in SS_info + * table */ + result = BP_RESULT_OK; + break; + } + + return result; +} +static enum bp_result get_embedded_panel_info_v1_2( + struct bios_parser *bp, + struct embedded_panel_info *info); +static enum bp_result get_embedded_panel_info_v1_3( + struct bios_parser *bp, + struct embedded_panel_info *info); + +static enum bp_result bios_parser_get_embedded_panel_info( + struct dc_bios *dcb, + struct embedded_panel_info *info) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + ATOM_COMMON_TABLE_HEADER *hdr; + + if (!DATA_TABLES(LCD_Info)) + return BP_RESULT_FAILURE; + + hdr = GET_IMAGE(ATOM_COMMON_TABLE_HEADER, DATA_TABLES(LCD_Info)); + + if (!hdr) + return BP_RESULT_BADBIOSTABLE; + + switch (hdr->ucTableFormatRevision) { + case 1: + switch (hdr->ucTableContentRevision) { + case 0: + case 1: + case 2: + return get_embedded_panel_info_v1_2(bp, info); + case 3: + return get_embedded_panel_info_v1_3(bp, info); + default: + break; + } + default: + break; + } + + return BP_RESULT_FAILURE; +} + +static enum bp_result get_embedded_panel_info_v1_2( + struct bios_parser *bp, + struct embedded_panel_info *info) +{ + ATOM_LVDS_INFO_V12 *lvds; + + if (!info) + return BP_RESULT_BADINPUT; + + if (!DATA_TABLES(LVDS_Info)) + return BP_RESULT_UNSUPPORTED; + + lvds = + GET_IMAGE(ATOM_LVDS_INFO_V12, DATA_TABLES(LVDS_Info)); + + if (!lvds) + return BP_RESULT_BADBIOSTABLE; + + if (1 != lvds->sHeader.ucTableFormatRevision + || 2 > lvds->sHeader.ucTableContentRevision) + return BP_RESULT_UNSUPPORTED; + + memset(info, 0, sizeof(struct embedded_panel_info)); + + /* We need to convert from 10KHz units into KHz units*/ + info->lcd_timing.pixel_clk = + le16_to_cpu(lvds->sLCDTiming.usPixClk) * 10; + /* usHActive does not include borders, according to VBIOS team*/ + info->lcd_timing.horizontal_addressable = + le16_to_cpu(lvds->sLCDTiming.usHActive); + /* usHBlanking_Time includes borders, so we should really be subtracting + * borders duing this translation, but LVDS generally*/ + /* doesn't have borders, so we should be okay leaving this as is for + * now. May need to revisit if we ever have LVDS with borders*/ + info->lcd_timing.horizontal_blanking_time = + le16_to_cpu(lvds->sLCDTiming.usHBlanking_Time); + /* usVActive does not include borders, according to VBIOS team*/ + info->lcd_timing.vertical_addressable = + le16_to_cpu(lvds->sLCDTiming.usVActive); + /* usVBlanking_Time includes borders, so we should really be subtracting + * borders duing this translation, but LVDS generally*/ + /* doesn't have borders, so we should be okay leaving this as is for + * now. May need to revisit if we ever have LVDS with borders*/ + info->lcd_timing.vertical_blanking_time = + le16_to_cpu(lvds->sLCDTiming.usVBlanking_Time); + info->lcd_timing.horizontal_sync_offset = + le16_to_cpu(lvds->sLCDTiming.usHSyncOffset); + info->lcd_timing.horizontal_sync_width = + le16_to_cpu(lvds->sLCDTiming.usHSyncWidth); + info->lcd_timing.vertical_sync_offset = + le16_to_cpu(lvds->sLCDTiming.usVSyncOffset); + info->lcd_timing.vertical_sync_width = + le16_to_cpu(lvds->sLCDTiming.usVSyncWidth); + info->lcd_timing.horizontal_border = lvds->sLCDTiming.ucHBorder; + info->lcd_timing.vertical_border = lvds->sLCDTiming.ucVBorder; + info->lcd_timing.misc_info.HORIZONTAL_CUT_OFF = + lvds->sLCDTiming.susModeMiscInfo.sbfAccess.HorizontalCutOff; + info->lcd_timing.misc_info.H_SYNC_POLARITY = + ~(uint32_t) + lvds->sLCDTiming.susModeMiscInfo.sbfAccess.HSyncPolarity; + info->lcd_timing.misc_info.V_SYNC_POLARITY = + ~(uint32_t) + lvds->sLCDTiming.susModeMiscInfo.sbfAccess.VSyncPolarity; + info->lcd_timing.misc_info.VERTICAL_CUT_OFF = + lvds->sLCDTiming.susModeMiscInfo.sbfAccess.VerticalCutOff; + info->lcd_timing.misc_info.H_REPLICATION_BY2 = + lvds->sLCDTiming.susModeMiscInfo.sbfAccess.H_ReplicationBy2; + info->lcd_timing.misc_info.V_REPLICATION_BY2 = + lvds->sLCDTiming.susModeMiscInfo.sbfAccess.V_ReplicationBy2; + info->lcd_timing.misc_info.COMPOSITE_SYNC = + lvds->sLCDTiming.susModeMiscInfo.sbfAccess.CompositeSync; + info->lcd_timing.misc_info.INTERLACE = + lvds->sLCDTiming.susModeMiscInfo.sbfAccess.Interlace; + info->lcd_timing.misc_info.DOUBLE_CLOCK = + lvds->sLCDTiming.susModeMiscInfo.sbfAccess.DoubleClock; + info->ss_id = lvds->ucSS_Id; + + { + uint8_t rr = le16_to_cpu(lvds->usSupportedRefreshRate); + /* Get minimum supported refresh rate*/ + if (SUPPORTED_LCD_REFRESHRATE_30Hz & rr) + info->supported_rr.REFRESH_RATE_30HZ = 1; + else if (SUPPORTED_LCD_REFRESHRATE_40Hz & rr) + info->supported_rr.REFRESH_RATE_40HZ = 1; + else if (SUPPORTED_LCD_REFRESHRATE_48Hz & rr) + info->supported_rr.REFRESH_RATE_48HZ = 1; + else if (SUPPORTED_LCD_REFRESHRATE_50Hz & rr) + info->supported_rr.REFRESH_RATE_50HZ = 1; + else if (SUPPORTED_LCD_REFRESHRATE_60Hz & rr) + info->supported_rr.REFRESH_RATE_60HZ = 1; + } + + /*Drr panel support can be reported by VBIOS*/ + if (LCDPANEL_CAP_DRR_SUPPORTED + & lvds->ucLCDPanel_SpecialHandlingCap) + info->drr_enabled = 1; + + if (ATOM_PANEL_MISC_DUAL & lvds->ucLVDS_Misc) + info->lcd_timing.misc_info.DOUBLE_CLOCK = true; + + if (ATOM_PANEL_MISC_888RGB & lvds->ucLVDS_Misc) + info->lcd_timing.misc_info.RGB888 = true; + + info->lcd_timing.misc_info.GREY_LEVEL = + (uint32_t) (ATOM_PANEL_MISC_GREY_LEVEL & + lvds->ucLVDS_Misc) >> ATOM_PANEL_MISC_GREY_LEVEL_SHIFT; + + if (ATOM_PANEL_MISC_SPATIAL & lvds->ucLVDS_Misc) + info->lcd_timing.misc_info.SPATIAL = true; + + if (ATOM_PANEL_MISC_TEMPORAL & lvds->ucLVDS_Misc) + info->lcd_timing.misc_info.TEMPORAL = true; + + if (ATOM_PANEL_MISC_API_ENABLED & lvds->ucLVDS_Misc) + info->lcd_timing.misc_info.API_ENABLED = true; + + return BP_RESULT_OK; +} + +static enum bp_result get_embedded_panel_info_v1_3( + struct bios_parser *bp, + struct embedded_panel_info *info) +{ + ATOM_LCD_INFO_V13 *lvds; + + if (!info) + return BP_RESULT_BADINPUT; + + if (!DATA_TABLES(LCD_Info)) + return BP_RESULT_UNSUPPORTED; + + lvds = GET_IMAGE(ATOM_LCD_INFO_V13, DATA_TABLES(LCD_Info)); + + if (!lvds) + return BP_RESULT_BADBIOSTABLE; + + if (!((1 == lvds->sHeader.ucTableFormatRevision) + && (3 <= lvds->sHeader.ucTableContentRevision))) + return BP_RESULT_UNSUPPORTED; + + memset(info, 0, sizeof(struct embedded_panel_info)); + + /* We need to convert from 10KHz units into KHz units */ + info->lcd_timing.pixel_clk = + le16_to_cpu(lvds->sLCDTiming.usPixClk) * 10; + /* usHActive does not include borders, according to VBIOS team */ + info->lcd_timing.horizontal_addressable = + le16_to_cpu(lvds->sLCDTiming.usHActive); + /* usHBlanking_Time includes borders, so we should really be subtracting + * borders duing this translation, but LVDS generally*/ + /* doesn't have borders, so we should be okay leaving this as is for + * now. May need to revisit if we ever have LVDS with borders*/ + info->lcd_timing.horizontal_blanking_time = + le16_to_cpu(lvds->sLCDTiming.usHBlanking_Time); + /* usVActive does not include borders, according to VBIOS team*/ + info->lcd_timing.vertical_addressable = + le16_to_cpu(lvds->sLCDTiming.usVActive); + /* usVBlanking_Time includes borders, so we should really be subtracting + * borders duing this translation, but LVDS generally*/ + /* doesn't have borders, so we should be okay leaving this as is for + * now. May need to revisit if we ever have LVDS with borders*/ + info->lcd_timing.vertical_blanking_time = + le16_to_cpu(lvds->sLCDTiming.usVBlanking_Time); + info->lcd_timing.horizontal_sync_offset = + le16_to_cpu(lvds->sLCDTiming.usHSyncOffset); + info->lcd_timing.horizontal_sync_width = + le16_to_cpu(lvds->sLCDTiming.usHSyncWidth); + info->lcd_timing.vertical_sync_offset = + le16_to_cpu(lvds->sLCDTiming.usVSyncOffset); + info->lcd_timing.vertical_sync_width = + le16_to_cpu(lvds->sLCDTiming.usVSyncWidth); + info->lcd_timing.horizontal_border = lvds->sLCDTiming.ucHBorder; + info->lcd_timing.vertical_border = lvds->sLCDTiming.ucVBorder; + info->lcd_timing.misc_info.HORIZONTAL_CUT_OFF = + lvds->sLCDTiming.susModeMiscInfo.sbfAccess.HorizontalCutOff; + info->lcd_timing.misc_info.H_SYNC_POLARITY = + ~(uint32_t) + lvds->sLCDTiming.susModeMiscInfo.sbfAccess.HSyncPolarity; + info->lcd_timing.misc_info.V_SYNC_POLARITY = + ~(uint32_t) + lvds->sLCDTiming.susModeMiscInfo.sbfAccess.VSyncPolarity; + info->lcd_timing.misc_info.VERTICAL_CUT_OFF = + lvds->sLCDTiming.susModeMiscInfo.sbfAccess.VerticalCutOff; + info->lcd_timing.misc_info.H_REPLICATION_BY2 = + lvds->sLCDTiming.susModeMiscInfo.sbfAccess.H_ReplicationBy2; + info->lcd_timing.misc_info.V_REPLICATION_BY2 = + lvds->sLCDTiming.susModeMiscInfo.sbfAccess.V_ReplicationBy2; + info->lcd_timing.misc_info.COMPOSITE_SYNC = + lvds->sLCDTiming.susModeMiscInfo.sbfAccess.CompositeSync; + info->lcd_timing.misc_info.INTERLACE = + lvds->sLCDTiming.susModeMiscInfo.sbfAccess.Interlace; + info->lcd_timing.misc_info.DOUBLE_CLOCK = + lvds->sLCDTiming.susModeMiscInfo.sbfAccess.DoubleClock; + info->ss_id = lvds->ucSS_Id; + + /* Drr panel support can be reported by VBIOS*/ + if (LCDPANEL_CAP_V13_DRR_SUPPORTED + & lvds->ucLCDPanel_SpecialHandlingCap) + info->drr_enabled = 1; + + /* Get supported refresh rate*/ + if (info->drr_enabled == 1) { + uint8_t min_rr = + lvds->sRefreshRateSupport.ucMinRefreshRateForDRR; + uint8_t rr = lvds->sRefreshRateSupport.ucSupportedRefreshRate; + + if (min_rr != 0) { + if (SUPPORTED_LCD_REFRESHRATE_30Hz & min_rr) + info->supported_rr.REFRESH_RATE_30HZ = 1; + else if (SUPPORTED_LCD_REFRESHRATE_40Hz & min_rr) + info->supported_rr.REFRESH_RATE_40HZ = 1; + else if (SUPPORTED_LCD_REFRESHRATE_48Hz & min_rr) + info->supported_rr.REFRESH_RATE_48HZ = 1; + else if (SUPPORTED_LCD_REFRESHRATE_50Hz & min_rr) + info->supported_rr.REFRESH_RATE_50HZ = 1; + else if (SUPPORTED_LCD_REFRESHRATE_60Hz & min_rr) + info->supported_rr.REFRESH_RATE_60HZ = 1; + } else { + if (SUPPORTED_LCD_REFRESHRATE_30Hz & rr) + info->supported_rr.REFRESH_RATE_30HZ = 1; + else if (SUPPORTED_LCD_REFRESHRATE_40Hz & rr) + info->supported_rr.REFRESH_RATE_40HZ = 1; + else if (SUPPORTED_LCD_REFRESHRATE_48Hz & rr) + info->supported_rr.REFRESH_RATE_48HZ = 1; + else if (SUPPORTED_LCD_REFRESHRATE_50Hz & rr) + info->supported_rr.REFRESH_RATE_50HZ = 1; + else if (SUPPORTED_LCD_REFRESHRATE_60Hz & rr) + info->supported_rr.REFRESH_RATE_60HZ = 1; + } + } + + if (ATOM_PANEL_MISC_V13_DUAL & lvds->ucLCD_Misc) + info->lcd_timing.misc_info.DOUBLE_CLOCK = true; + + if (ATOM_PANEL_MISC_V13_8BIT_PER_COLOR & lvds->ucLCD_Misc) + info->lcd_timing.misc_info.RGB888 = true; + + info->lcd_timing.misc_info.GREY_LEVEL = + (uint32_t) (ATOM_PANEL_MISC_V13_GREY_LEVEL & + lvds->ucLCD_Misc) >> ATOM_PANEL_MISC_V13_GREY_LEVEL_SHIFT; + + return BP_RESULT_OK; +} + +/** + * bios_parser_get_encoder_cap_info + * + * @brief + * Get encoder capability information of input object id + * + * @param object_id, Object id + * @param object_id, encoder cap information structure + * + * @return Bios parser result code + * + */ +static enum bp_result bios_parser_get_encoder_cap_info( + struct dc_bios *dcb, + struct graphics_object_id object_id, + struct bp_encoder_cap_info *info) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + ATOM_OBJECT *object; + ATOM_ENCODER_CAP_RECORD_V2 *record = NULL; + + if (!info) + return BP_RESULT_BADINPUT; + + object = get_bios_object(bp, object_id); + + if (!object) + return BP_RESULT_BADINPUT; + + record = get_encoder_cap_record(bp, object); + if (!record) + return BP_RESULT_NORECORD; + + info->DP_HBR2_EN = record->usHBR2En; + info->DP_HBR3_EN = record->usHBR3En; + info->HDMI_6GB_EN = record->usHDMI6GEn; + return BP_RESULT_OK; +} + +/** + * get_encoder_cap_record + * + * @brief + * Get encoder cap record for the object + * + * @param object, ATOM object + * + * @return atom encoder cap record + * + * @note + * search all records to find the ATOM_ENCODER_CAP_RECORD_V2 record + */ +static ATOM_ENCODER_CAP_RECORD_V2 *get_encoder_cap_record( + struct bios_parser *bp, + ATOM_OBJECT *object) +{ + ATOM_COMMON_RECORD_HEADER *header; + uint32_t offset; + + if (!object) { + BREAK_TO_DEBUGGER(); /* Invalid object */ + return NULL; + } + + offset = le16_to_cpu(object->usRecordOffset) + + bp->object_info_tbl_offset; + + for (;;) { + header = GET_IMAGE(ATOM_COMMON_RECORD_HEADER, offset); + + if (!header) + return NULL; + + offset += header->ucRecordSize; + + if (LAST_RECORD_TYPE == header->ucRecordType || + !header->ucRecordSize) + break; + + if (ATOM_ENCODER_CAP_RECORD_TYPE != header->ucRecordType) + continue; + + if (sizeof(ATOM_ENCODER_CAP_RECORD_V2) <= header->ucRecordSize) + return (ATOM_ENCODER_CAP_RECORD_V2 *)header; + } + + return NULL; +} + +static uint32_t get_ss_entry_number( + struct bios_parser *bp, + uint32_t id); +static uint32_t get_ss_entry_number_from_internal_ss_info_tbl_v2_1( + struct bios_parser *bp, + uint32_t id); +static uint32_t get_ss_entry_number_from_internal_ss_info_tbl_V3_1( + struct bios_parser *bp, + uint32_t id); +static uint32_t get_ss_entry_number_from_ss_info_tbl( + struct bios_parser *bp, + uint32_t id); + +/** + * BiosParserObject::GetNumberofSpreadSpectrumEntry + * Get Number of SpreadSpectrum Entry from the ASIC_InternalSS_Info table from + * the VBIOS that match the SSid (to be converted from signal) + * + * @param[in] signal, ASSignalType to be converted to SSid + * @return number of SS Entry that match the signal + */ +static uint32_t bios_parser_get_ss_entry_number( + struct dc_bios *dcb, + enum as_signal_type signal) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + uint32_t ss_id = 0; + ATOM_COMMON_TABLE_HEADER *header; + struct atom_data_revision revision; + + ss_id = signal_to_ss_id(signal); + + if (!DATA_TABLES(ASIC_InternalSS_Info)) + return get_ss_entry_number_from_ss_info_tbl(bp, ss_id); + + header = GET_IMAGE(ATOM_COMMON_TABLE_HEADER, + DATA_TABLES(ASIC_InternalSS_Info)); + get_atom_data_table_revision(header, &revision); + + switch (revision.major) { + case 2: + switch (revision.minor) { + case 1: + return get_ss_entry_number(bp, ss_id); + default: + break; + } + break; + case 3: + switch (revision.minor) { + case 1: + return + get_ss_entry_number_from_internal_ss_info_tbl_V3_1( + bp, ss_id); + default: + break; + } + break; + default: + break; + } + + return 0; +} + +/** + * get_ss_entry_number_from_ss_info_tbl + * Get Number of spread spectrum entry from the SS_Info table from the VBIOS. + * + * @note There can only be one entry for each id for SS_Info Table + * + * @param [in] id, spread spectrum id + * @return number of SS Entry that match the id + */ +static uint32_t get_ss_entry_number_from_ss_info_tbl( + struct bios_parser *bp, + uint32_t id) +{ + ATOM_SPREAD_SPECTRUM_INFO *tbl; + ATOM_COMMON_TABLE_HEADER *header; + uint32_t table_size; + uint32_t i; + uint32_t number = 0; + uint32_t id_local = SS_ID_UNKNOWN; + struct atom_data_revision revision; + + /* SS_Info table exist */ + if (!DATA_TABLES(SS_Info)) + return number; + + header = GET_IMAGE(ATOM_COMMON_TABLE_HEADER, + DATA_TABLES(SS_Info)); + get_atom_data_table_revision(header, &revision); + + tbl = GET_IMAGE(ATOM_SPREAD_SPECTRUM_INFO, + DATA_TABLES(SS_Info)); + + if (1 != revision.major || 2 > revision.minor) + return number; + + /* have to convert from Internal_SS format to SS_Info format */ + switch (id) { + case ASIC_INTERNAL_SS_ON_DP: + id_local = SS_ID_DP1; + break; + case ASIC_INTERNAL_SS_ON_LVDS: { + struct embedded_panel_info panel_info; + + if (bios_parser_get_embedded_panel_info(&bp->base, &panel_info) + == BP_RESULT_OK) + id_local = panel_info.ss_id; + break; + } + default: + break; + } + + if (id_local == SS_ID_UNKNOWN) + return number; + + table_size = (le16_to_cpu(tbl->sHeader.usStructureSize) - + sizeof(ATOM_COMMON_TABLE_HEADER)) / + sizeof(ATOM_SPREAD_SPECTRUM_ASSIGNMENT); + + for (i = 0; i < table_size; i++) + if (id_local == (uint32_t)tbl->asSS_Info[i].ucSS_Id) { + number = 1; + break; + } + + return number; +} + +/** + * get_ss_entry_number + * Get spread sprectrum information from the ASIC_InternalSS_Info Ver 2.1 or + * SS_Info table from the VBIOS + * There can not be more than 1 entry for ASIC_InternalSS_Info Ver 2.1 or + * SS_Info. + * + * @param id, spread sprectrum info index + * @return Bios parser result code + */ +static uint32_t get_ss_entry_number(struct bios_parser *bp, uint32_t id) +{ + if (id == ASIC_INTERNAL_SS_ON_DP || id == ASIC_INTERNAL_SS_ON_LVDS) + return get_ss_entry_number_from_ss_info_tbl(bp, id); + + return get_ss_entry_number_from_internal_ss_info_tbl_v2_1(bp, id); +} + +/** + * get_ss_entry_number_from_internal_ss_info_tbl_v2_1 + * Get NUmber of spread sprectrum entry from the ASIC_InternalSS_Info table + * Ver 2.1 from the VBIOS + * There will not be multiple entry for Ver 2.1 + * + * @param id, spread sprectrum info index + * @return number of SS Entry that match the id + */ +static uint32_t get_ss_entry_number_from_internal_ss_info_tbl_v2_1( + struct bios_parser *bp, + uint32_t id) +{ + ATOM_ASIC_INTERNAL_SS_INFO_V2 *header_include; + ATOM_ASIC_SS_ASSIGNMENT_V2 *tbl; + uint32_t size; + uint32_t i; + + if (!DATA_TABLES(ASIC_InternalSS_Info)) + return 0; + + header_include = GET_IMAGE(ATOM_ASIC_INTERNAL_SS_INFO_V2, + DATA_TABLES(ASIC_InternalSS_Info)); + + size = (le16_to_cpu(header_include->sHeader.usStructureSize) + - sizeof(ATOM_COMMON_TABLE_HEADER)) + / sizeof(ATOM_ASIC_SS_ASSIGNMENT_V2); + + tbl = (ATOM_ASIC_SS_ASSIGNMENT_V2 *) + &header_include->asSpreadSpectrum[0]; + for (i = 0; i < size; i++) + if (tbl[i].ucClockIndication == (uint8_t)id) + return 1; + + return 0; +} +/** + * get_ss_entry_number_from_internal_ss_info_table_V3_1 + * Get Number of SpreadSpectrum Entry from the ASIC_InternalSS_Info table of + * the VBIOS that matches id + * + * @param[in] id, spread sprectrum id + * @return number of SS Entry that match the id + */ +static uint32_t get_ss_entry_number_from_internal_ss_info_tbl_V3_1( + struct bios_parser *bp, + uint32_t id) +{ + uint32_t number = 0; + ATOM_ASIC_INTERNAL_SS_INFO_V3 *header_include; + ATOM_ASIC_SS_ASSIGNMENT_V3 *tbl; + uint32_t size; + uint32_t i; + + if (!DATA_TABLES(ASIC_InternalSS_Info)) + return number; + + header_include = GET_IMAGE(ATOM_ASIC_INTERNAL_SS_INFO_V3, + DATA_TABLES(ASIC_InternalSS_Info)); + size = (le16_to_cpu(header_include->sHeader.usStructureSize) - + sizeof(ATOM_COMMON_TABLE_HEADER)) / + sizeof(ATOM_ASIC_SS_ASSIGNMENT_V3); + + tbl = (ATOM_ASIC_SS_ASSIGNMENT_V3 *) + &header_include->asSpreadSpectrum[0]; + + for (i = 0; i < size; i++) + if (tbl[i].ucClockIndication == (uint8_t)id) + number++; + + return number; +} + +/** + * bios_parser_get_gpio_pin_info + * Get GpioPin information of input gpio id + * + * @param gpio_id, GPIO ID + * @param info, GpioPin information structure + * @return Bios parser result code + * @note + * to get the GPIO PIN INFO, we need: + * 1. get the GPIO_ID from other object table, see GetHPDInfo() + * 2. in DATA_TABLE.GPIO_Pin_LUT, search all records, to get the registerA + * offset/mask + */ +static enum bp_result bios_parser_get_gpio_pin_info( + struct dc_bios *dcb, + uint32_t gpio_id, + struct gpio_pin_info *info) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + ATOM_GPIO_PIN_LUT *header; + uint32_t count = 0; + uint32_t i = 0; + + if (!DATA_TABLES(GPIO_Pin_LUT)) + return BP_RESULT_BADBIOSTABLE; + + header = GET_IMAGE(ATOM_GPIO_PIN_LUT, DATA_TABLES(GPIO_Pin_LUT)); + if (!header) + return BP_RESULT_BADBIOSTABLE; + + if (sizeof(ATOM_COMMON_TABLE_HEADER) + sizeof(ATOM_GPIO_PIN_LUT) + > le16_to_cpu(header->sHeader.usStructureSize)) + return BP_RESULT_BADBIOSTABLE; + + if (1 != header->sHeader.ucTableContentRevision) + return BP_RESULT_UNSUPPORTED; + + count = (le16_to_cpu(header->sHeader.usStructureSize) + - sizeof(ATOM_COMMON_TABLE_HEADER)) + / sizeof(ATOM_GPIO_PIN_ASSIGNMENT); + for (i = 0; i < count; ++i) { + if (header->asGPIO_Pin[i].ucGPIO_ID != gpio_id) + continue; + + info->offset = + (uint32_t) le16_to_cpu(header->asGPIO_Pin[i].usGpioPin_AIndex); + info->offset_y = info->offset + 2; + info->offset_en = info->offset + 1; + info->offset_mask = info->offset - 1; + + info->mask = (uint32_t) (1 << + header->asGPIO_Pin[i].ucGpioPinBitShift); + info->mask_y = info->mask + 2; + info->mask_en = info->mask + 1; + info->mask_mask = info->mask - 1; + + return BP_RESULT_OK; + } + + return BP_RESULT_NORECORD; +} + +static enum bp_result get_gpio_i2c_info(struct bios_parser *bp, + ATOM_I2C_RECORD *record, + struct graphics_object_i2c_info *info) +{ + ATOM_GPIO_I2C_INFO *header; + uint32_t count = 0; + + if (!info) + return BP_RESULT_BADINPUT; + + /* get the GPIO_I2C info */ + if (!DATA_TABLES(GPIO_I2C_Info)) + return BP_RESULT_BADBIOSTABLE; + + header = GET_IMAGE(ATOM_GPIO_I2C_INFO, DATA_TABLES(GPIO_I2C_Info)); + if (!header) + return BP_RESULT_BADBIOSTABLE; + + if (sizeof(ATOM_COMMON_TABLE_HEADER) + sizeof(ATOM_GPIO_I2C_ASSIGMENT) + > le16_to_cpu(header->sHeader.usStructureSize)) + return BP_RESULT_BADBIOSTABLE; + + if (1 != header->sHeader.ucTableContentRevision) + return BP_RESULT_UNSUPPORTED; + + /* get data count */ + count = (le16_to_cpu(header->sHeader.usStructureSize) + - sizeof(ATOM_COMMON_TABLE_HEADER)) + / sizeof(ATOM_GPIO_I2C_ASSIGMENT); + if (count < record->sucI2cId.bfI2C_LineMux) + return BP_RESULT_BADBIOSTABLE; + + /* get the GPIO_I2C_INFO */ + info->i2c_hw_assist = record->sucI2cId.bfHW_Capable; + info->i2c_line = record->sucI2cId.bfI2C_LineMux; + info->i2c_engine_id = record->sucI2cId.bfHW_EngineID; + info->i2c_slave_address = record->ucI2CAddr; + + info->gpio_info.clk_mask_register_index = + le16_to_cpu(header->asGPIO_Info[info->i2c_line].usClkMaskRegisterIndex); + info->gpio_info.clk_en_register_index = + le16_to_cpu(header->asGPIO_Info[info->i2c_line].usClkEnRegisterIndex); + info->gpio_info.clk_y_register_index = + le16_to_cpu(header->asGPIO_Info[info->i2c_line].usClkY_RegisterIndex); + info->gpio_info.clk_a_register_index = + le16_to_cpu(header->asGPIO_Info[info->i2c_line].usClkA_RegisterIndex); + info->gpio_info.data_mask_register_index = + le16_to_cpu(header->asGPIO_Info[info->i2c_line].usDataMaskRegisterIndex); + info->gpio_info.data_en_register_index = + le16_to_cpu(header->asGPIO_Info[info->i2c_line].usDataEnRegisterIndex); + info->gpio_info.data_y_register_index = + le16_to_cpu(header->asGPIO_Info[info->i2c_line].usDataY_RegisterIndex); + info->gpio_info.data_a_register_index = + le16_to_cpu(header->asGPIO_Info[info->i2c_line].usDataA_RegisterIndex); + + info->gpio_info.clk_mask_shift = + header->asGPIO_Info[info->i2c_line].ucClkMaskShift; + info->gpio_info.clk_en_shift = + header->asGPIO_Info[info->i2c_line].ucClkEnShift; + info->gpio_info.clk_y_shift = + header->asGPIO_Info[info->i2c_line].ucClkY_Shift; + info->gpio_info.clk_a_shift = + header->asGPIO_Info[info->i2c_line].ucClkA_Shift; + info->gpio_info.data_mask_shift = + header->asGPIO_Info[info->i2c_line].ucDataMaskShift; + info->gpio_info.data_en_shift = + header->asGPIO_Info[info->i2c_line].ucDataEnShift; + info->gpio_info.data_y_shift = + header->asGPIO_Info[info->i2c_line].ucDataY_Shift; + info->gpio_info.data_a_shift = + header->asGPIO_Info[info->i2c_line].ucDataA_Shift; + + return BP_RESULT_OK; +} + +static ATOM_OBJECT *get_bios_object(struct bios_parser *bp, + struct graphics_object_id id) +{ + uint32_t offset; + ATOM_OBJECT_TABLE *tbl; + uint32_t i; + + switch (id.type) { + case OBJECT_TYPE_ENCODER: + offset = le16_to_cpu(bp->object_info_tbl.v1_1->usEncoderObjectTableOffset); + break; + + case OBJECT_TYPE_CONNECTOR: + offset = le16_to_cpu(bp->object_info_tbl.v1_1->usConnectorObjectTableOffset); + break; + + case OBJECT_TYPE_ROUTER: + offset = le16_to_cpu(bp->object_info_tbl.v1_1->usRouterObjectTableOffset); + break; + + case OBJECT_TYPE_GENERIC: + if (bp->object_info_tbl.revision.minor < 3) + return NULL; + offset = le16_to_cpu(bp->object_info_tbl.v1_3->usMiscObjectTableOffset); + break; + + default: + return NULL; + } + + offset += bp->object_info_tbl_offset; + + tbl = GET_IMAGE(ATOM_OBJECT_TABLE, offset); + if (!tbl) + return NULL; + + for (i = 0; i < tbl->ucNumberOfObjects; i++) + if (dal_graphics_object_id_is_equal(id, + object_id_from_bios_object_id( + le16_to_cpu(tbl->asObjects[i].usObjectID)))) + return &tbl->asObjects[i]; + + return NULL; +} + +static uint32_t get_dest_obj_list(struct bios_parser *bp, + ATOM_OBJECT *object, uint16_t **id_list) +{ + uint32_t offset; + uint8_t *number; + + if (!object) { + BREAK_TO_DEBUGGER(); /* Invalid object id */ + return 0; + } + + offset = le16_to_cpu(object->usSrcDstTableOffset) + + bp->object_info_tbl_offset; + + number = GET_IMAGE(uint8_t, offset); + if (!number) + return 0; + + offset += sizeof(uint8_t); + offset += sizeof(uint16_t) * (*number); + + number = GET_IMAGE(uint8_t, offset); + if ((!number) || (!*number)) + return 0; + + offset += sizeof(uint8_t); + *id_list = (uint16_t *)bios_get_image(&bp->base, offset, *number * sizeof(uint16_t)); + + if (!*id_list) + return 0; + + return *number; +} + +static uint32_t get_src_obj_list(struct bios_parser *bp, ATOM_OBJECT *object, + uint16_t **id_list) +{ + uint32_t offset; + uint8_t *number; + + if (!object) { + BREAK_TO_DEBUGGER(); /* Invalid object id */ + return 0; + } + + offset = le16_to_cpu(object->usSrcDstTableOffset) + + bp->object_info_tbl_offset; + + number = GET_IMAGE(uint8_t, offset); + if (!number) + return 0; + + offset += sizeof(uint8_t); + *id_list = (uint16_t *)bios_get_image(&bp->base, offset, *number * sizeof(uint16_t)); + + if (!*id_list) + return 0; + + return *number; +} + +static uint32_t get_dst_number_from_object(struct bios_parser *bp, + ATOM_OBJECT *object) +{ + uint32_t offset; + uint8_t *number; + + if (!object) { + BREAK_TO_DEBUGGER(); /* Invalid encoder object id*/ + return 0; + } + + offset = le16_to_cpu(object->usSrcDstTableOffset) + + bp->object_info_tbl_offset; + + number = GET_IMAGE(uint8_t, offset); + if (!number) + return 0; + + offset += sizeof(uint8_t); + offset += sizeof(uint16_t) * (*number); + + number = GET_IMAGE(uint8_t, offset); + + if (!number) + return 0; + + return *number; +} + +static struct device_id device_type_from_device_id(uint16_t device_id) +{ + + struct device_id result_device_id; + + switch (device_id) { + case ATOM_DEVICE_LCD1_SUPPORT: + result_device_id.device_type = DEVICE_TYPE_LCD; + result_device_id.enum_id = 1; + break; + + case ATOM_DEVICE_LCD2_SUPPORT: + result_device_id.device_type = DEVICE_TYPE_LCD; + result_device_id.enum_id = 2; + break; + + case ATOM_DEVICE_CRT1_SUPPORT: + result_device_id.device_type = DEVICE_TYPE_CRT; + result_device_id.enum_id = 1; + break; + + case ATOM_DEVICE_CRT2_SUPPORT: + result_device_id.device_type = DEVICE_TYPE_CRT; + result_device_id.enum_id = 2; + break; + + case ATOM_DEVICE_DFP1_SUPPORT: + result_device_id.device_type = DEVICE_TYPE_DFP; + result_device_id.enum_id = 1; + break; + + case ATOM_DEVICE_DFP2_SUPPORT: + result_device_id.device_type = DEVICE_TYPE_DFP; + result_device_id.enum_id = 2; + break; + + case ATOM_DEVICE_DFP3_SUPPORT: + result_device_id.device_type = DEVICE_TYPE_DFP; + result_device_id.enum_id = 3; + break; + + case ATOM_DEVICE_DFP4_SUPPORT: + result_device_id.device_type = DEVICE_TYPE_DFP; + result_device_id.enum_id = 4; + break; + + case ATOM_DEVICE_DFP5_SUPPORT: + result_device_id.device_type = DEVICE_TYPE_DFP; + result_device_id.enum_id = 5; + break; + + case ATOM_DEVICE_DFP6_SUPPORT: + result_device_id.device_type = DEVICE_TYPE_DFP; + result_device_id.enum_id = 6; + break; + + default: + BREAK_TO_DEBUGGER(); /* Invalid device Id */ + result_device_id.device_type = DEVICE_TYPE_UNKNOWN; + result_device_id.enum_id = 0; + } + return result_device_id; +} + +static void get_atom_data_table_revision( + ATOM_COMMON_TABLE_HEADER *atom_data_tbl, + struct atom_data_revision *tbl_revision) +{ + if (!tbl_revision) + return; + + /* initialize the revision to 0 which is invalid revision */ + tbl_revision->major = 0; + tbl_revision->minor = 0; + + if (!atom_data_tbl) + return; + + tbl_revision->major = + (uint32_t) GET_DATA_TABLE_MAJOR_REVISION(atom_data_tbl); + tbl_revision->minor = + (uint32_t) GET_DATA_TABLE_MINOR_REVISION(atom_data_tbl); +} + +static uint32_t signal_to_ss_id(enum as_signal_type signal) +{ + uint32_t clk_id_ss = 0; + + switch (signal) { + case AS_SIGNAL_TYPE_DVI: + clk_id_ss = ASIC_INTERNAL_SS_ON_TMDS; + break; + case AS_SIGNAL_TYPE_HDMI: + clk_id_ss = ASIC_INTERNAL_SS_ON_HDMI; + break; + case AS_SIGNAL_TYPE_LVDS: + clk_id_ss = ASIC_INTERNAL_SS_ON_LVDS; + break; + case AS_SIGNAL_TYPE_DISPLAY_PORT: + clk_id_ss = ASIC_INTERNAL_SS_ON_DP; + break; + case AS_SIGNAL_TYPE_GPU_PLL: + clk_id_ss = ASIC_INTERNAL_GPUPLL_SS; + break; + default: + break; + } + return clk_id_ss; +} + +static uint32_t get_support_mask_for_device_id(struct device_id device_id) +{ + enum dal_device_type device_type = device_id.device_type; + uint32_t enum_id = device_id.enum_id; + + switch (device_type) { + case DEVICE_TYPE_LCD: + switch (enum_id) { + case 1: + return ATOM_DEVICE_LCD1_SUPPORT; + case 2: + return ATOM_DEVICE_LCD2_SUPPORT; + default: + break; + } + break; + case DEVICE_TYPE_CRT: + switch (enum_id) { + case 1: + return ATOM_DEVICE_CRT1_SUPPORT; + case 2: + return ATOM_DEVICE_CRT2_SUPPORT; + default: + break; + } + break; + case DEVICE_TYPE_DFP: + switch (enum_id) { + case 1: + return ATOM_DEVICE_DFP1_SUPPORT; + case 2: + return ATOM_DEVICE_DFP2_SUPPORT; + case 3: + return ATOM_DEVICE_DFP3_SUPPORT; + case 4: + return ATOM_DEVICE_DFP4_SUPPORT; + case 5: + return ATOM_DEVICE_DFP5_SUPPORT; + case 6: + return ATOM_DEVICE_DFP6_SUPPORT; + default: + break; + } + break; + case DEVICE_TYPE_CV: + switch (enum_id) { + case 1: + return ATOM_DEVICE_CV_SUPPORT; + default: + break; + } + break; + case DEVICE_TYPE_TV: + switch (enum_id) { + case 1: + return ATOM_DEVICE_TV1_SUPPORT; + default: + break; + } + break; + default: + break; + }; + + /* Unidentified device ID, return empty support mask. */ + return 0; +} + +/** + * HwContext interface for writing MM registers + */ + +static bool i2c_read( + struct bios_parser *bp, + struct graphics_object_i2c_info *i2c_info, + uint8_t *buffer, + uint32_t length) +{ + struct ddc *ddc; + uint8_t offset[2] = { 0, 0 }; + bool result = false; + struct i2c_command cmd; + struct gpio_ddc_hw_info hw_info = { + i2c_info->i2c_hw_assist, + i2c_info->i2c_line }; + + ddc = dal_gpio_create_ddc(bp->base.ctx->gpio_service, + i2c_info->gpio_info.clk_a_register_index, + (1 << i2c_info->gpio_info.clk_a_shift), &hw_info); + + if (!ddc) + return result; + + /*Using SW engine */ + cmd.engine = I2C_COMMAND_ENGINE_SW; + cmd.speed = ddc->ctx->dc->caps.i2c_speed_in_khz; + + { + struct i2c_payload payloads[] = { + { + .address = i2c_info->i2c_slave_address >> 1, + .data = offset, + .length = sizeof(offset), + .write = true + }, + { + .address = i2c_info->i2c_slave_address >> 1, + .data = buffer, + .length = length, + .write = false + } + }; + + cmd.payloads = payloads; + cmd.number_of_payloads = ARRAY_SIZE(payloads); + + /* TODO route this through drm i2c_adapter */ + result = dal_i2caux_submit_i2c_command( + ddc->ctx->i2caux, + ddc, + &cmd); + } + + dal_gpio_destroy_ddc(&ddc); + + return result; +} + +/** + * Read external display connection info table through i2c. + * validate the GUID and checksum. + * + * @return enum bp_result whether all data was sucessfully read + */ +static enum bp_result get_ext_display_connection_info( + struct bios_parser *bp, + ATOM_OBJECT *opm_object, + ATOM_EXTERNAL_DISPLAY_CONNECTION_INFO *ext_display_connection_info_tbl) +{ + bool config_tbl_present = false; + ATOM_I2C_RECORD *i2c_record = NULL; + uint32_t i = 0; + + if (opm_object == NULL) + return BP_RESULT_BADINPUT; + + i2c_record = get_i2c_record(bp, opm_object); + + if (i2c_record != NULL) { + ATOM_GPIO_I2C_INFO *gpio_i2c_header; + struct graphics_object_i2c_info i2c_info; + + gpio_i2c_header = GET_IMAGE(ATOM_GPIO_I2C_INFO, + bp->master_data_tbl->ListOfDataTables.GPIO_I2C_Info); + + if (NULL == gpio_i2c_header) + return BP_RESULT_BADBIOSTABLE; + + if (get_gpio_i2c_info(bp, i2c_record, &i2c_info) != + BP_RESULT_OK) + return BP_RESULT_BADBIOSTABLE; + + if (i2c_read(bp, + &i2c_info, + (uint8_t *)ext_display_connection_info_tbl, + sizeof(ATOM_EXTERNAL_DISPLAY_CONNECTION_INFO))) { + config_tbl_present = true; + } + } + + /* Validate GUID */ + if (config_tbl_present) + for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; i++) { + if (ext_display_connection_info_tbl->ucGuid[i] + != ext_display_connection_guid[i]) { + config_tbl_present = false; + break; + } + } + + /* Validate checksum */ + if (config_tbl_present) { + uint8_t check_sum = 0; + uint8_t *buf = + (uint8_t *)ext_display_connection_info_tbl; + + for (i = 0; i < sizeof(ATOM_EXTERNAL_DISPLAY_CONNECTION_INFO); + i++) { + check_sum += buf[i]; + } + + if (check_sum != 0) + config_tbl_present = false; + } + + if (config_tbl_present) + return BP_RESULT_OK; + else + return BP_RESULT_FAILURE; +} + +/* + * Gets the first device ID in the same group as the given ID for enumerating. + * For instance, if any DFP device ID is passed, returns the device ID for DFP1. + * + * The first device ID in the same group as the passed device ID, or 0 if no + * matching device group found. + */ +static uint32_t enum_first_device_id(uint32_t dev_id) +{ + /* Return the first in the group that this ID belongs to. */ + if (dev_id & ATOM_DEVICE_CRT_SUPPORT) + return ATOM_DEVICE_CRT1_SUPPORT; + else if (dev_id & ATOM_DEVICE_DFP_SUPPORT) + return ATOM_DEVICE_DFP1_SUPPORT; + else if (dev_id & ATOM_DEVICE_LCD_SUPPORT) + return ATOM_DEVICE_LCD1_SUPPORT; + else if (dev_id & ATOM_DEVICE_TV_SUPPORT) + return ATOM_DEVICE_TV1_SUPPORT; + else if (dev_id & ATOM_DEVICE_CV_SUPPORT) + return ATOM_DEVICE_CV_SUPPORT; + + /* No group found for this device ID. */ + + dm_error("%s: incorrect input %d\n", __func__, dev_id); + /* No matching support flag for given device ID */ + return 0; +} + +/* + * Gets the next device ID in the group for a given device ID. + * + * The current device ID being enumerated on. + * + * The next device ID in the group, or 0 if no device exists. + */ +static uint32_t enum_next_dev_id(uint32_t dev_id) +{ + /* Get next device ID in the group. */ + switch (dev_id) { + case ATOM_DEVICE_CRT1_SUPPORT: + return ATOM_DEVICE_CRT2_SUPPORT; + case ATOM_DEVICE_LCD1_SUPPORT: + return ATOM_DEVICE_LCD2_SUPPORT; + case ATOM_DEVICE_DFP1_SUPPORT: + return ATOM_DEVICE_DFP2_SUPPORT; + case ATOM_DEVICE_DFP2_SUPPORT: + return ATOM_DEVICE_DFP3_SUPPORT; + case ATOM_DEVICE_DFP3_SUPPORT: + return ATOM_DEVICE_DFP4_SUPPORT; + case ATOM_DEVICE_DFP4_SUPPORT: + return ATOM_DEVICE_DFP5_SUPPORT; + case ATOM_DEVICE_DFP5_SUPPORT: + return ATOM_DEVICE_DFP6_SUPPORT; + } + + /* Done enumerating through devices. */ + return 0; +} + +/* + * Returns the new device tag record for patched BIOS object. + * + * [IN] pExtDisplayPath - External display path to copy device tag from. + * [IN] deviceSupport - Bit vector for device ID support flags. + * [OUT] pDeviceTag - Device tag structure to fill with patched data. + * + * True if a compatible device ID was found, false otherwise. + */ +static bool get_patched_device_tag( + struct bios_parser *bp, + EXT_DISPLAY_PATH *ext_display_path, + uint32_t device_support, + ATOM_CONNECTOR_DEVICE_TAG *device_tag) +{ + uint32_t dev_id; + /* Use fallback behaviour if not supported. */ + if (!bp->remap_device_tags) { + device_tag->ulACPIDeviceEnum = + cpu_to_le32((uint32_t) le16_to_cpu(ext_display_path->usDeviceACPIEnum)); + device_tag->usDeviceID = + cpu_to_le16(le16_to_cpu(ext_display_path->usDeviceTag)); + return true; + } + + /* Find the first unused in the same group. */ + dev_id = enum_first_device_id(le16_to_cpu(ext_display_path->usDeviceTag)); + while (dev_id != 0) { + /* Assign this device ID if supported. */ + if ((device_support & dev_id) != 0) { + device_tag->ulACPIDeviceEnum = + cpu_to_le32((uint32_t) le16_to_cpu(ext_display_path->usDeviceACPIEnum)); + device_tag->usDeviceID = cpu_to_le16((USHORT) dev_id); + return true; + } + + dev_id = enum_next_dev_id(dev_id); + } + + /* No compatible device ID found. */ + return false; +} + +/* + * Adds a device tag to a BIOS object's device tag record if there is + * matching device ID supported. + * + * pObject - Pointer to the BIOS object to add the device tag to. + * pExtDisplayPath - Display path to retrieve base device ID from. + * pDeviceSupport - Pointer to bit vector for supported device IDs. + */ +static void add_device_tag_from_ext_display_path( + struct bios_parser *bp, + ATOM_OBJECT *object, + EXT_DISPLAY_PATH *ext_display_path, + uint32_t *device_support) +{ + /* Get device tag record for object. */ + ATOM_CONNECTOR_DEVICE_TAG *device_tag = NULL; + ATOM_CONNECTOR_DEVICE_TAG_RECORD *device_tag_record = NULL; + enum bp_result result = + bios_parser_get_device_tag_record( + bp, object, &device_tag_record); + + if ((le16_to_cpu(ext_display_path->usDeviceTag) != CONNECTOR_OBJECT_ID_NONE) + && (result == BP_RESULT_OK)) { + uint8_t index; + + if ((device_tag_record->ucNumberOfDevice == 1) && + (le16_to_cpu(device_tag_record->asDeviceTag[0].usDeviceID) == 0)) { + /*Workaround bug in current VBIOS releases where + * ucNumberOfDevice = 1 but there is no actual device + * tag data. This w/a is temporary until the updated + * VBIOS is distributed. */ + device_tag_record->ucNumberOfDevice = + device_tag_record->ucNumberOfDevice - 1; + } + + /* Attempt to find a matching device ID. */ + index = device_tag_record->ucNumberOfDevice; + device_tag = &device_tag_record->asDeviceTag[index]; + if (get_patched_device_tag( + bp, + ext_display_path, + *device_support, + device_tag)) { + /* Update cached device support to remove assigned ID. + */ + *device_support &= ~le16_to_cpu(device_tag->usDeviceID); + device_tag_record->ucNumberOfDevice++; + } + } +} + +/* + * Read out a single EXT_DISPLAY_PATH from the external display connection info + * table. The specific entry in the table is determined by the enum_id passed + * in. + * + * EXT_DISPLAY_PATH describing a single Configuration table entry + */ + +#define INVALID_CONNECTOR 0xffff + +static EXT_DISPLAY_PATH *get_ext_display_path_entry( + ATOM_EXTERNAL_DISPLAY_CONNECTION_INFO *config_table, + uint32_t bios_object_id) +{ + EXT_DISPLAY_PATH *ext_display_path; + uint32_t ext_display_path_index = + ((bios_object_id & ENUM_ID_MASK) >> ENUM_ID_SHIFT) - 1; + + if (ext_display_path_index >= MAX_NUMBER_OF_EXT_DISPLAY_PATH) + return NULL; + + ext_display_path = &config_table->sPath[ext_display_path_index]; + + if (le16_to_cpu(ext_display_path->usDeviceConnector) == INVALID_CONNECTOR) + ext_display_path->usDeviceConnector = cpu_to_le16(0); + + return ext_display_path; +} + +/* + * Get AUX/DDC information of input object id + * + * search all records to find the ATOM_CONNECTOR_AUXDDC_LUT_RECORD_TYPE record + * IR + */ +static ATOM_CONNECTOR_AUXDDC_LUT_RECORD *get_ext_connector_aux_ddc_lut_record( + struct bios_parser *bp, + ATOM_OBJECT *object) +{ + uint32_t offset; + ATOM_COMMON_RECORD_HEADER *header; + + if (!object) { + BREAK_TO_DEBUGGER(); + /* Invalid object */ + return NULL; + } + + offset = le16_to_cpu(object->usRecordOffset) + + bp->object_info_tbl_offset; + + for (;;) { + header = GET_IMAGE(ATOM_COMMON_RECORD_HEADER, offset); + + if (!header) + return NULL; + + if (LAST_RECORD_TYPE == header->ucRecordType || + 0 == header->ucRecordSize) + break; + + if (ATOM_CONNECTOR_AUXDDC_LUT_RECORD_TYPE == + header->ucRecordType && + sizeof(ATOM_CONNECTOR_AUXDDC_LUT_RECORD) <= + header->ucRecordSize) + return (ATOM_CONNECTOR_AUXDDC_LUT_RECORD *)(header); + + offset += header->ucRecordSize; + } + + return NULL; +} + +/* + * Get AUX/DDC information of input object id + * + * search all records to find the ATOM_CONNECTOR_AUXDDC_LUT_RECORD_TYPE record + * IR + */ +static ATOM_CONNECTOR_HPDPIN_LUT_RECORD *get_ext_connector_hpd_pin_lut_record( + struct bios_parser *bp, + ATOM_OBJECT *object) +{ + uint32_t offset; + ATOM_COMMON_RECORD_HEADER *header; + + if (!object) { + BREAK_TO_DEBUGGER(); + /* Invalid object */ + return NULL; + } + + offset = le16_to_cpu(object->usRecordOffset) + + bp->object_info_tbl_offset; + + for (;;) { + header = GET_IMAGE(ATOM_COMMON_RECORD_HEADER, offset); + + if (!header) + return NULL; + + if (LAST_RECORD_TYPE == header->ucRecordType || + 0 == header->ucRecordSize) + break; + + if (ATOM_CONNECTOR_HPDPIN_LUT_RECORD_TYPE == + header->ucRecordType && + sizeof(ATOM_CONNECTOR_HPDPIN_LUT_RECORD) <= + header->ucRecordSize) + return (ATOM_CONNECTOR_HPDPIN_LUT_RECORD *)header; + + offset += header->ucRecordSize; + } + + return NULL; +} + +/* + * Check whether we need to patch the VBIOS connector info table with + * data from an external display connection info table. This is + * necessary to support MXM boards with an OPM (output personality + * module). With these designs, the VBIOS connector info table + * specifies an MXM_CONNECTOR with a unique ID. The driver retrieves + * the external connection info table through i2c and then looks up the + * connector ID to find the real connector type (e.g. DFP1). + * + */ +static enum bp_result patch_bios_image_from_ext_display_connection_info( + struct bios_parser *bp) +{ + ATOM_OBJECT_TABLE *connector_tbl; + uint32_t connector_tbl_offset; + struct graphics_object_id object_id; + ATOM_OBJECT *object; + ATOM_EXTERNAL_DISPLAY_CONNECTION_INFO ext_display_connection_info_tbl; + EXT_DISPLAY_PATH *ext_display_path; + ATOM_CONNECTOR_AUXDDC_LUT_RECORD *aux_ddc_lut_record = NULL; + ATOM_I2C_RECORD *i2c_record = NULL; + ATOM_CONNECTOR_HPDPIN_LUT_RECORD *hpd_pin_lut_record = NULL; + ATOM_HPD_INT_RECORD *hpd_record = NULL; + ATOM_OBJECT_TABLE *encoder_table; + uint32_t encoder_table_offset; + ATOM_OBJECT *opm_object = NULL; + uint32_t i = 0; + struct graphics_object_id opm_object_id = + dal_graphics_object_id_init( + GENERIC_ID_MXM_OPM, + ENUM_ID_1, + OBJECT_TYPE_GENERIC); + ATOM_CONNECTOR_DEVICE_TAG_RECORD *dev_tag_record; + uint32_t cached_device_support = + le16_to_cpu(bp->object_info_tbl.v1_1->usDeviceSupport); + + uint32_t dst_number; + uint16_t *dst_object_id_list; + + opm_object = get_bios_object(bp, opm_object_id); + if (!opm_object) + return BP_RESULT_UNSUPPORTED; + + memset(&ext_display_connection_info_tbl, 0, + sizeof(ATOM_EXTERNAL_DISPLAY_CONNECTION_INFO)); + + connector_tbl_offset = bp->object_info_tbl_offset + + le16_to_cpu(bp->object_info_tbl.v1_1->usConnectorObjectTableOffset); + connector_tbl = GET_IMAGE(ATOM_OBJECT_TABLE, connector_tbl_offset); + + /* Read Connector info table from EEPROM through i2c */ + if (get_ext_display_connection_info(bp, + opm_object, + &ext_display_connection_info_tbl) != BP_RESULT_OK) { + + dm_logger_write(bp->base.ctx->logger, LOG_WARNING, + "%s: Failed to read Connection Info Table", __func__); + return BP_RESULT_UNSUPPORTED; + } + + /* Get pointer to AUX/DDC and HPD LUTs */ + aux_ddc_lut_record = + get_ext_connector_aux_ddc_lut_record(bp, opm_object); + hpd_pin_lut_record = + get_ext_connector_hpd_pin_lut_record(bp, opm_object); + + if ((aux_ddc_lut_record == NULL) || (hpd_pin_lut_record == NULL)) + return BP_RESULT_UNSUPPORTED; + + /* Cache support bits for currently unmapped device types. */ + if (bp->remap_device_tags) { + for (i = 0; i < connector_tbl->ucNumberOfObjects; ++i) { + uint32_t j; + /* Remove support for all non-MXM connectors. */ + object = &connector_tbl->asObjects[i]; + object_id = object_id_from_bios_object_id( + le16_to_cpu(object->usObjectID)); + if ((OBJECT_TYPE_CONNECTOR != object_id.type) || + (CONNECTOR_ID_MXM == object_id.id)) + continue; + + /* Remove support for all device tags. */ + if (bios_parser_get_device_tag_record( + bp, object, &dev_tag_record) != BP_RESULT_OK) + continue; + + for (j = 0; j < dev_tag_record->ucNumberOfDevice; ++j) { + ATOM_CONNECTOR_DEVICE_TAG *device_tag = + &dev_tag_record->asDeviceTag[j]; + cached_device_support &= + ~le16_to_cpu(device_tag->usDeviceID); + } + } + } + + /* Find all MXM connector objects and patch them with connector info + * from the external display connection info table. */ + for (i = 0; i < connector_tbl->ucNumberOfObjects; i++) { + uint32_t j; + + object = &connector_tbl->asObjects[i]; + object_id = object_id_from_bios_object_id(le16_to_cpu(object->usObjectID)); + if ((OBJECT_TYPE_CONNECTOR != object_id.type) || + (CONNECTOR_ID_MXM != object_id.id)) + continue; + + /* Get the correct connection info table entry based on the enum + * id. */ + ext_display_path = get_ext_display_path_entry( + &ext_display_connection_info_tbl, + le16_to_cpu(object->usObjectID)); + if (!ext_display_path) + return BP_RESULT_FAILURE; + + /* Patch device connector ID */ + object->usObjectID = + cpu_to_le16(le16_to_cpu(ext_display_path->usDeviceConnector)); + + /* Patch device tag, ulACPIDeviceEnum. */ + add_device_tag_from_ext_display_path( + bp, + object, + ext_display_path, + &cached_device_support); + + /* Patch HPD info */ + if (ext_display_path->ucExtHPDPINLutIndex < + MAX_NUMBER_OF_EXT_HPDPIN_LUT_ENTRIES) { + hpd_record = get_hpd_record(bp, object); + if (hpd_record) { + uint8_t index = + ext_display_path->ucExtHPDPINLutIndex; + hpd_record->ucHPDIntGPIOID = + hpd_pin_lut_record->ucHPDPINMap[index]; + } else { + BREAK_TO_DEBUGGER(); + /* Invalid hpd record */ + return BP_RESULT_FAILURE; + } + } + + /* Patch I2C/AUX info */ + if (ext_display_path->ucExtHPDPINLutIndex < + MAX_NUMBER_OF_EXT_AUXDDC_LUT_ENTRIES) { + i2c_record = get_i2c_record(bp, object); + if (i2c_record) { + uint8_t index = + ext_display_path->ucExtAUXDDCLutIndex; + i2c_record->sucI2cId = + aux_ddc_lut_record->ucAUXDDCMap[index]; + } else { + BREAK_TO_DEBUGGER(); + /* Invalid I2C record */ + return BP_RESULT_FAILURE; + } + } + + /* Merge with other MXM connectors that map to the same physical + * connector. */ + for (j = i + 1; + j < connector_tbl->ucNumberOfObjects; j++) { + ATOM_OBJECT *next_object; + struct graphics_object_id next_object_id; + EXT_DISPLAY_PATH *next_ext_display_path; + + next_object = &connector_tbl->asObjects[j]; + next_object_id = object_id_from_bios_object_id( + le16_to_cpu(next_object->usObjectID)); + + if ((OBJECT_TYPE_CONNECTOR != next_object_id.type) && + (CONNECTOR_ID_MXM == next_object_id.id)) + continue; + + next_ext_display_path = get_ext_display_path_entry( + &ext_display_connection_info_tbl, + le16_to_cpu(next_object->usObjectID)); + + if (next_ext_display_path == NULL) + return BP_RESULT_FAILURE; + + /* Merge if using same connector. */ + if ((le16_to_cpu(next_ext_display_path->usDeviceConnector) == + le16_to_cpu(ext_display_path->usDeviceConnector)) && + (le16_to_cpu(ext_display_path->usDeviceConnector) != 0)) { + /* Clear duplicate connector from table. */ + next_object->usObjectID = cpu_to_le16(0); + add_device_tag_from_ext_display_path( + bp, + object, + ext_display_path, + &cached_device_support); + } + } + } + + /* Find all encoders which have an MXM object as their destination. + * Replace the MXM object with the real connector Id from the external + * display connection info table */ + + encoder_table_offset = bp->object_info_tbl_offset + + le16_to_cpu(bp->object_info_tbl.v1_1->usEncoderObjectTableOffset); + encoder_table = GET_IMAGE(ATOM_OBJECT_TABLE, encoder_table_offset); + + for (i = 0; i < encoder_table->ucNumberOfObjects; i++) { + uint32_t j; + + object = &encoder_table->asObjects[i]; + + dst_number = get_dest_obj_list(bp, object, &dst_object_id_list); + + for (j = 0; j < dst_number; j++) { + object_id = object_id_from_bios_object_id( + dst_object_id_list[j]); + + if ((OBJECT_TYPE_CONNECTOR != object_id.type) || + (CONNECTOR_ID_MXM != object_id.id)) + continue; + + /* Get the correct connection info table entry based on + * the enum id. */ + ext_display_path = + get_ext_display_path_entry( + &ext_display_connection_info_tbl, + dst_object_id_list[j]); + + if (ext_display_path == NULL) + return BP_RESULT_FAILURE; + + dst_object_id_list[j] = + le16_to_cpu(ext_display_path->usDeviceConnector); + } + } + + return BP_RESULT_OK; +} + +/* + * Check whether we need to patch the VBIOS connector info table with + * data from an external display connection info table. This is + * necessary to support MXM boards with an OPM (output personality + * module). With these designs, the VBIOS connector info table + * specifies an MXM_CONNECTOR with a unique ID. The driver retrieves + * the external connection info table through i2c and then looks up the + * connector ID to find the real connector type (e.g. DFP1). + * + */ + +static void process_ext_display_connection_info(struct bios_parser *bp) +{ + ATOM_OBJECT_TABLE *connector_tbl; + uint32_t connector_tbl_offset; + struct graphics_object_id object_id; + ATOM_OBJECT *object; + bool mxm_connector_found = false; + bool null_entry_found = false; + uint32_t i = 0; + + connector_tbl_offset = bp->object_info_tbl_offset + + le16_to_cpu(bp->object_info_tbl.v1_1->usConnectorObjectTableOffset); + connector_tbl = GET_IMAGE(ATOM_OBJECT_TABLE, connector_tbl_offset); + + /* Look for MXM connectors to determine whether we need patch the VBIOS + * connector info table. Look for null entries to determine whether we + * need to compact connector table. */ + for (i = 0; i < connector_tbl->ucNumberOfObjects; i++) { + object = &connector_tbl->asObjects[i]; + object_id = object_id_from_bios_object_id(le16_to_cpu(object->usObjectID)); + + if ((OBJECT_TYPE_CONNECTOR == object_id.type) && + (CONNECTOR_ID_MXM == object_id.id)) { + /* Once we found MXM connector - we can break */ + mxm_connector_found = true; + break; + } else if (OBJECT_TYPE_CONNECTOR != object_id.type) { + /* We need to continue looping - to check if MXM + * connector present */ + null_entry_found = true; + } + } + + /* Patch BIOS image */ + if (mxm_connector_found || null_entry_found) { + uint32_t connectors_num = 0; + uint8_t *original_bios; + /* Step 1: Replace bios image with the new copy which will be + * patched */ + bp->base.bios_local_image = kzalloc(bp->base.bios_size, + GFP_KERNEL); + if (bp->base.bios_local_image == NULL) { + BREAK_TO_DEBUGGER(); + /* Failed to alloc bp->base.bios_local_image */ + return; + } + + memmove(bp->base.bios_local_image, bp->base.bios, bp->base.bios_size); + original_bios = bp->base.bios; + bp->base.bios = bp->base.bios_local_image; + connector_tbl = + GET_IMAGE(ATOM_OBJECT_TABLE, connector_tbl_offset); + + /* Step 2: (only if MXM connector found) Patch BIOS image with + * info from external module */ + if (mxm_connector_found && + patch_bios_image_from_ext_display_connection_info(bp) != + BP_RESULT_OK) { + /* Patching the bios image has failed. We will copy + * again original image provided and afterwards + * only remove null entries */ + memmove( + bp->base.bios_local_image, + original_bios, + bp->base.bios_size); + } + + /* Step 3: Compact connector table (remove null entries, valid + * entries moved to beginning) */ + for (i = 0; i < connector_tbl->ucNumberOfObjects; i++) { + object = &connector_tbl->asObjects[i]; + object_id = object_id_from_bios_object_id( + le16_to_cpu(object->usObjectID)); + + if (OBJECT_TYPE_CONNECTOR != object_id.type) + continue; + + if (i != connectors_num) { + memmove( + &connector_tbl-> + asObjects[connectors_num], + object, + sizeof(ATOM_OBJECT)); + } + ++connectors_num; + } + connector_tbl->ucNumberOfObjects = (uint8_t)connectors_num; + } +} + +static void bios_parser_post_init(struct dc_bios *dcb) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + + process_ext_display_connection_info(bp); +} + +/** + * bios_parser_set_scratch_critical_state + * + * @brief + * update critical state bit in VBIOS scratch register + * + * @param + * bool - to set or reset state + */ +static void bios_parser_set_scratch_critical_state( + struct dc_bios *dcb, + bool state) +{ + bios_set_scratch_critical_state(dcb, state); +} + +/* + * get_integrated_info_v8 + * + * @brief + * Get V8 integrated BIOS information + * + * @param + * bios_parser *bp - [in]BIOS parser handler to get master data table + * integrated_info *info - [out] store and output integrated info + * + * @return + * enum bp_result - BP_RESULT_OK if information is available, + * BP_RESULT_BADBIOSTABLE otherwise. + */ +static enum bp_result get_integrated_info_v8( + struct bios_parser *bp, + struct integrated_info *info) +{ + ATOM_INTEGRATED_SYSTEM_INFO_V1_8 *info_v8; + uint32_t i; + + info_v8 = GET_IMAGE(ATOM_INTEGRATED_SYSTEM_INFO_V1_8, + bp->master_data_tbl->ListOfDataTables.IntegratedSystemInfo); + + if (info_v8 == NULL) + return BP_RESULT_BADBIOSTABLE; + info->boot_up_engine_clock = le32_to_cpu(info_v8->ulBootUpEngineClock) * 10; + info->dentist_vco_freq = le32_to_cpu(info_v8->ulDentistVCOFreq) * 10; + info->boot_up_uma_clock = le32_to_cpu(info_v8->ulBootUpUMAClock) * 10; + + for (i = 0; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) { + /* Convert [10KHz] into [KHz] */ + info->disp_clk_voltage[i].max_supported_clk = + le32_to_cpu(info_v8->sDISPCLK_Voltage[i]. + ulMaximumSupportedCLK) * 10; + info->disp_clk_voltage[i].voltage_index = + le32_to_cpu(info_v8->sDISPCLK_Voltage[i].ulVoltageIndex); + } + + info->boot_up_req_display_vector = + le32_to_cpu(info_v8->ulBootUpReqDisplayVector); + info->gpu_cap_info = + le32_to_cpu(info_v8->ulGPUCapInfo); + + /* + * system_config: Bit[0] = 0 : PCIE power gating disabled + * = 1 : PCIE power gating enabled + * Bit[1] = 0 : DDR-PLL shut down disabled + * = 1 : DDR-PLL shut down enabled + * Bit[2] = 0 : DDR-PLL power down disabled + * = 1 : DDR-PLL power down enabled + */ + info->system_config = le32_to_cpu(info_v8->ulSystemConfig); + info->cpu_cap_info = le32_to_cpu(info_v8->ulCPUCapInfo); + info->boot_up_nb_voltage = + le16_to_cpu(info_v8->usBootUpNBVoltage); + info->ext_disp_conn_info_offset = + le16_to_cpu(info_v8->usExtDispConnInfoOffset); + info->memory_type = info_v8->ucMemoryType; + info->ma_channel_number = info_v8->ucUMAChannelNumber; + info->gmc_restore_reset_time = + le32_to_cpu(info_v8->ulGMCRestoreResetTime); + + info->minimum_n_clk = + le32_to_cpu(info_v8->ulNbpStateNClkFreq[0]); + for (i = 1; i < 4; ++i) + info->minimum_n_clk = + info->minimum_n_clk < le32_to_cpu(info_v8->ulNbpStateNClkFreq[i]) ? + info->minimum_n_clk : le32_to_cpu(info_v8->ulNbpStateNClkFreq[i]); + + info->idle_n_clk = le32_to_cpu(info_v8->ulIdleNClk); + info->ddr_dll_power_up_time = + le32_to_cpu(info_v8->ulDDR_DLL_PowerUpTime); + info->ddr_pll_power_up_time = + le32_to_cpu(info_v8->ulDDR_PLL_PowerUpTime); + info->pcie_clk_ss_type = le16_to_cpu(info_v8->usPCIEClkSSType); + info->lvds_ss_percentage = + le16_to_cpu(info_v8->usLvdsSSPercentage); + info->lvds_sspread_rate_in_10hz = + le16_to_cpu(info_v8->usLvdsSSpreadRateIn10Hz); + info->hdmi_ss_percentage = + le16_to_cpu(info_v8->usHDMISSPercentage); + info->hdmi_sspread_rate_in_10hz = + le16_to_cpu(info_v8->usHDMISSpreadRateIn10Hz); + info->dvi_ss_percentage = + le16_to_cpu(info_v8->usDVISSPercentage); + info->dvi_sspread_rate_in_10_hz = + le16_to_cpu(info_v8->usDVISSpreadRateIn10Hz); + + info->max_lvds_pclk_freq_in_single_link = + le16_to_cpu(info_v8->usMaxLVDSPclkFreqInSingleLink); + info->lvds_misc = info_v8->ucLvdsMisc; + info->lvds_pwr_on_seq_dig_on_to_de_in_4ms = + info_v8->ucLVDSPwrOnSeqDIGONtoDE_in4Ms; + info->lvds_pwr_on_seq_de_to_vary_bl_in_4ms = + info_v8->ucLVDSPwrOnSeqDEtoVARY_BL_in4Ms; + info->lvds_pwr_on_seq_vary_bl_to_blon_in_4ms = + info_v8->ucLVDSPwrOnSeqVARY_BLtoBLON_in4Ms; + info->lvds_pwr_off_seq_vary_bl_to_de_in4ms = + info_v8->ucLVDSPwrOffSeqVARY_BLtoDE_in4Ms; + info->lvds_pwr_off_seq_de_to_dig_on_in4ms = + info_v8->ucLVDSPwrOffSeqDEtoDIGON_in4Ms; + info->lvds_pwr_off_seq_blon_to_vary_bl_in_4ms = + info_v8->ucLVDSPwrOffSeqBLONtoVARY_BL_in4Ms; + info->lvds_off_to_on_delay_in_4ms = + info_v8->ucLVDSOffToOnDelay_in4Ms; + info->lvds_bit_depth_control_val = + le32_to_cpu(info_v8->ulLCDBitDepthControlVal); + + for (i = 0; i < NUMBER_OF_AVAILABLE_SCLK; ++i) { + /* Convert [10KHz] into [KHz] */ + info->avail_s_clk[i].supported_s_clk = + le32_to_cpu(info_v8->sAvail_SCLK[i].ulSupportedSCLK) * 10; + info->avail_s_clk[i].voltage_index = + le16_to_cpu(info_v8->sAvail_SCLK[i].usVoltageIndex); + info->avail_s_clk[i].voltage_id = + le16_to_cpu(info_v8->sAvail_SCLK[i].usVoltageID); + } + + for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) { + info->ext_disp_conn_info.gu_id[i] = + info_v8->sExtDispConnInfo.ucGuid[i]; + } + + for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) { + info->ext_disp_conn_info.path[i].device_connector_id = + object_id_from_bios_object_id( + le16_to_cpu(info_v8->sExtDispConnInfo.sPath[i].usDeviceConnector)); + + info->ext_disp_conn_info.path[i].ext_encoder_obj_id = + object_id_from_bios_object_id( + le16_to_cpu(info_v8->sExtDispConnInfo.sPath[i].usExtEncoderObjId)); + + info->ext_disp_conn_info.path[i].device_tag = + le16_to_cpu(info_v8->sExtDispConnInfo.sPath[i].usDeviceTag); + info->ext_disp_conn_info.path[i].device_acpi_enum = + le16_to_cpu(info_v8->sExtDispConnInfo.sPath[i].usDeviceACPIEnum); + info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index = + info_v8->sExtDispConnInfo.sPath[i].ucExtAUXDDCLutIndex; + info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index = + info_v8->sExtDispConnInfo.sPath[i].ucExtHPDPINLutIndex; + info->ext_disp_conn_info.path[i].channel_mapping.raw = + info_v8->sExtDispConnInfo.sPath[i].ucChannelMapping; + } + info->ext_disp_conn_info.checksum = + info_v8->sExtDispConnInfo.ucChecksum; + + return BP_RESULT_OK; +} + +/* + * get_integrated_info_v8 + * + * @brief + * Get V8 integrated BIOS information + * + * @param + * bios_parser *bp - [in]BIOS parser handler to get master data table + * integrated_info *info - [out] store and output integrated info + * + * @return + * enum bp_result - BP_RESULT_OK if information is available, + * BP_RESULT_BADBIOSTABLE otherwise. + */ +static enum bp_result get_integrated_info_v9( + struct bios_parser *bp, + struct integrated_info *info) +{ + ATOM_INTEGRATED_SYSTEM_INFO_V1_9 *info_v9; + uint32_t i; + + info_v9 = GET_IMAGE(ATOM_INTEGRATED_SYSTEM_INFO_V1_9, + bp->master_data_tbl->ListOfDataTables.IntegratedSystemInfo); + + if (!info_v9) + return BP_RESULT_BADBIOSTABLE; + + info->boot_up_engine_clock = le32_to_cpu(info_v9->ulBootUpEngineClock) * 10; + info->dentist_vco_freq = le32_to_cpu(info_v9->ulDentistVCOFreq) * 10; + info->boot_up_uma_clock = le32_to_cpu(info_v9->ulBootUpUMAClock) * 10; + + for (i = 0; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) { + /* Convert [10KHz] into [KHz] */ + info->disp_clk_voltage[i].max_supported_clk = + le32_to_cpu(info_v9->sDISPCLK_Voltage[i].ulMaximumSupportedCLK) * 10; + info->disp_clk_voltage[i].voltage_index = + le32_to_cpu(info_v9->sDISPCLK_Voltage[i].ulVoltageIndex); + } + + info->boot_up_req_display_vector = + le32_to_cpu(info_v9->ulBootUpReqDisplayVector); + info->gpu_cap_info = le32_to_cpu(info_v9->ulGPUCapInfo); + + /* + * system_config: Bit[0] = 0 : PCIE power gating disabled + * = 1 : PCIE power gating enabled + * Bit[1] = 0 : DDR-PLL shut down disabled + * = 1 : DDR-PLL shut down enabled + * Bit[2] = 0 : DDR-PLL power down disabled + * = 1 : DDR-PLL power down enabled + */ + info->system_config = le32_to_cpu(info_v9->ulSystemConfig); + info->cpu_cap_info = le32_to_cpu(info_v9->ulCPUCapInfo); + info->boot_up_nb_voltage = le16_to_cpu(info_v9->usBootUpNBVoltage); + info->ext_disp_conn_info_offset = le16_to_cpu(info_v9->usExtDispConnInfoOffset); + info->memory_type = info_v9->ucMemoryType; + info->ma_channel_number = info_v9->ucUMAChannelNumber; + info->gmc_restore_reset_time = le32_to_cpu(info_v9->ulGMCRestoreResetTime); + + info->minimum_n_clk = le32_to_cpu(info_v9->ulNbpStateNClkFreq[0]); + for (i = 1; i < 4; ++i) + info->minimum_n_clk = + info->minimum_n_clk < le32_to_cpu(info_v9->ulNbpStateNClkFreq[i]) ? + info->minimum_n_clk : le32_to_cpu(info_v9->ulNbpStateNClkFreq[i]); + + info->idle_n_clk = le32_to_cpu(info_v9->ulIdleNClk); + info->ddr_dll_power_up_time = le32_to_cpu(info_v9->ulDDR_DLL_PowerUpTime); + info->ddr_pll_power_up_time = le32_to_cpu(info_v9->ulDDR_PLL_PowerUpTime); + info->pcie_clk_ss_type = le16_to_cpu(info_v9->usPCIEClkSSType); + info->lvds_ss_percentage = le16_to_cpu(info_v9->usLvdsSSPercentage); + info->lvds_sspread_rate_in_10hz = le16_to_cpu(info_v9->usLvdsSSpreadRateIn10Hz); + info->hdmi_ss_percentage = le16_to_cpu(info_v9->usHDMISSPercentage); + info->hdmi_sspread_rate_in_10hz = le16_to_cpu(info_v9->usHDMISSpreadRateIn10Hz); + info->dvi_ss_percentage = le16_to_cpu(info_v9->usDVISSPercentage); + info->dvi_sspread_rate_in_10_hz = le16_to_cpu(info_v9->usDVISSpreadRateIn10Hz); + + info->max_lvds_pclk_freq_in_single_link = + le16_to_cpu(info_v9->usMaxLVDSPclkFreqInSingleLink); + info->lvds_misc = info_v9->ucLvdsMisc; + info->lvds_pwr_on_seq_dig_on_to_de_in_4ms = + info_v9->ucLVDSPwrOnSeqDIGONtoDE_in4Ms; + info->lvds_pwr_on_seq_de_to_vary_bl_in_4ms = + info_v9->ucLVDSPwrOnSeqDEtoVARY_BL_in4Ms; + info->lvds_pwr_on_seq_vary_bl_to_blon_in_4ms = + info_v9->ucLVDSPwrOnSeqVARY_BLtoBLON_in4Ms; + info->lvds_pwr_off_seq_vary_bl_to_de_in4ms = + info_v9->ucLVDSPwrOffSeqVARY_BLtoDE_in4Ms; + info->lvds_pwr_off_seq_de_to_dig_on_in4ms = + info_v9->ucLVDSPwrOffSeqDEtoDIGON_in4Ms; + info->lvds_pwr_off_seq_blon_to_vary_bl_in_4ms = + info_v9->ucLVDSPwrOffSeqBLONtoVARY_BL_in4Ms; + info->lvds_off_to_on_delay_in_4ms = + info_v9->ucLVDSOffToOnDelay_in4Ms; + info->lvds_bit_depth_control_val = + le32_to_cpu(info_v9->ulLCDBitDepthControlVal); + + for (i = 0; i < NUMBER_OF_AVAILABLE_SCLK; ++i) { + /* Convert [10KHz] into [KHz] */ + info->avail_s_clk[i].supported_s_clk = + le32_to_cpu(info_v9->sAvail_SCLK[i].ulSupportedSCLK) * 10; + info->avail_s_clk[i].voltage_index = + le16_to_cpu(info_v9->sAvail_SCLK[i].usVoltageIndex); + info->avail_s_clk[i].voltage_id = + le16_to_cpu(info_v9->sAvail_SCLK[i].usVoltageID); + } + + for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) { + info->ext_disp_conn_info.gu_id[i] = + info_v9->sExtDispConnInfo.ucGuid[i]; + } + + for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) { + info->ext_disp_conn_info.path[i].device_connector_id = + object_id_from_bios_object_id( + le16_to_cpu(info_v9->sExtDispConnInfo.sPath[i].usDeviceConnector)); + + info->ext_disp_conn_info.path[i].ext_encoder_obj_id = + object_id_from_bios_object_id( + le16_to_cpu(info_v9->sExtDispConnInfo.sPath[i].usExtEncoderObjId)); + + info->ext_disp_conn_info.path[i].device_tag = + le16_to_cpu(info_v9->sExtDispConnInfo.sPath[i].usDeviceTag); + info->ext_disp_conn_info.path[i].device_acpi_enum = + le16_to_cpu(info_v9->sExtDispConnInfo.sPath[i].usDeviceACPIEnum); + info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index = + info_v9->sExtDispConnInfo.sPath[i].ucExtAUXDDCLutIndex; + info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index = + info_v9->sExtDispConnInfo.sPath[i].ucExtHPDPINLutIndex; + info->ext_disp_conn_info.path[i].channel_mapping.raw = + info_v9->sExtDispConnInfo.sPath[i].ucChannelMapping; + } + info->ext_disp_conn_info.checksum = + info_v9->sExtDispConnInfo.ucChecksum; + + return BP_RESULT_OK; +} + +/* + * construct_integrated_info + * + * @brief + * Get integrated BIOS information based on table revision + * + * @param + * bios_parser *bp - [in]BIOS parser handler to get master data table + * integrated_info *info - [out] store and output integrated info + * + * @return + * enum bp_result - BP_RESULT_OK if information is available, + * BP_RESULT_BADBIOSTABLE otherwise. + */ +static enum bp_result construct_integrated_info( + struct bios_parser *bp, + struct integrated_info *info) +{ + enum bp_result result = BP_RESULT_BADBIOSTABLE; + + ATOM_COMMON_TABLE_HEADER *header; + struct atom_data_revision revision; + + if (bp->master_data_tbl->ListOfDataTables.IntegratedSystemInfo) { + header = GET_IMAGE(ATOM_COMMON_TABLE_HEADER, + bp->master_data_tbl->ListOfDataTables.IntegratedSystemInfo); + + get_atom_data_table_revision(header, &revision); + + /* Don't need to check major revision as they are all 1 */ + switch (revision.minor) { + case 8: + result = get_integrated_info_v8(bp, info); + break; + case 9: + result = get_integrated_info_v9(bp, info); + break; + default: + return result; + + } + } + + /* Sort voltage table from low to high*/ + if (result == BP_RESULT_OK) { + struct clock_voltage_caps temp = {0, 0}; + uint32_t i; + uint32_t j; + + for (i = 1; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) { + for (j = i; j > 0; --j) { + if ( + info->disp_clk_voltage[j].max_supported_clk < + info->disp_clk_voltage[j-1].max_supported_clk) { + /* swap j and j - 1*/ + temp = info->disp_clk_voltage[j-1]; + info->disp_clk_voltage[j-1] = + info->disp_clk_voltage[j]; + info->disp_clk_voltage[j] = temp; + } + } + } + + } + + return result; +} + +static struct integrated_info *bios_parser_create_integrated_info( + struct dc_bios *dcb) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + struct integrated_info *info = NULL; + + info = kzalloc(sizeof(struct integrated_info), GFP_KERNEL); + + if (info == NULL) { + ASSERT_CRITICAL(0); + return NULL; + } + + if (construct_integrated_info(bp, info) == BP_RESULT_OK) + return info; + + kfree(info); + + return NULL; +} + +/******************************************************************************/ + +static const struct dc_vbios_funcs vbios_funcs = { + .get_connectors_number = bios_parser_get_connectors_number, + + .get_encoder_id = bios_parser_get_encoder_id, + + .get_connector_id = bios_parser_get_connector_id, + + .get_dst_number = bios_parser_get_dst_number, + + .get_src_obj = bios_parser_get_src_obj, + + .get_dst_obj = bios_parser_get_dst_obj, + + .get_i2c_info = bios_parser_get_i2c_info, + + .get_voltage_ddc_info = bios_parser_get_voltage_ddc_info, + + .get_thermal_ddc_info = bios_parser_get_thermal_ddc_info, + + .get_hpd_info = bios_parser_get_hpd_info, + + .get_device_tag = bios_parser_get_device_tag, + + .get_firmware_info = bios_parser_get_firmware_info, + + .get_spread_spectrum_info = bios_parser_get_spread_spectrum_info, + + .get_ss_entry_number = bios_parser_get_ss_entry_number, + + .get_embedded_panel_info = bios_parser_get_embedded_panel_info, + + .get_gpio_pin_info = bios_parser_get_gpio_pin_info, + + .get_embedded_panel_info = bios_parser_get_embedded_panel_info, + + .get_gpio_pin_info = bios_parser_get_gpio_pin_info, + + .get_encoder_cap_info = bios_parser_get_encoder_cap_info, + + /* bios scratch register communication */ + .is_accelerated_mode = bios_is_accelerated_mode, + + .set_scratch_critical_state = bios_parser_set_scratch_critical_state, + + .is_device_id_supported = bios_parser_is_device_id_supported, + + /* COMMANDS */ + .encoder_control = bios_parser_encoder_control, + + .transmitter_control = bios_parser_transmitter_control, + + .crt_control = bios_parser_crt_control, /* not used in DAL3. keep for now in case we need to support VGA on Bonaire */ + + .enable_crtc = bios_parser_enable_crtc, + + .adjust_pixel_clock = bios_parser_adjust_pixel_clock, + + .set_pixel_clock = bios_parser_set_pixel_clock, + + .set_dce_clock = bios_parser_set_dce_clock, + + .enable_spread_spectrum_on_ppll = bios_parser_enable_spread_spectrum_on_ppll, + + .program_crtc_timing = bios_parser_program_crtc_timing, /* still use. should probably retire and program directly */ + + .crtc_source_select = bios_parser_crtc_source_select, /* still use. should probably retire and program directly */ + + .program_display_engine_pll = bios_parser_program_display_engine_pll, + + .enable_disp_power_gating = bios_parser_enable_disp_power_gating, + + /* SW init and patch */ + .post_init = bios_parser_post_init, /* patch vbios table for mxm module by reading i2c */ + + .bios_parser_destroy = bios_parser_destroy, +}; + +static bool bios_parser_construct( + struct bios_parser *bp, + struct bp_init_data *init, + enum dce_version dce_version) +{ + uint16_t *rom_header_offset = NULL; + ATOM_ROM_HEADER *rom_header = NULL; + ATOM_OBJECT_HEADER *object_info_tbl; + struct atom_data_revision tbl_rev = {0}; + + if (!init) + return false; + + if (!init->bios) + return false; + + bp->base.funcs = &vbios_funcs; + bp->base.bios = init->bios; + bp->base.bios_size = bp->base.bios[BIOS_IMAGE_SIZE_OFFSET] * BIOS_IMAGE_SIZE_UNIT; + + bp->base.ctx = init->ctx; + bp->base.bios_local_image = NULL; + + rom_header_offset = + GET_IMAGE(uint16_t, OFFSET_TO_POINTER_TO_ATOM_ROM_HEADER); + + if (!rom_header_offset) + return false; + + rom_header = GET_IMAGE(ATOM_ROM_HEADER, *rom_header_offset); + + if (!rom_header) + return false; + + get_atom_data_table_revision(&rom_header->sHeader, &tbl_rev); + if (tbl_rev.major >= 2 && tbl_rev.minor >= 2) + return false; + + bp->master_data_tbl = + GET_IMAGE(ATOM_MASTER_DATA_TABLE, + rom_header->usMasterDataTableOffset); + + if (!bp->master_data_tbl) + return false; + + bp->object_info_tbl_offset = DATA_TABLES(Object_Header); + + if (!bp->object_info_tbl_offset) + return false; + + object_info_tbl = + GET_IMAGE(ATOM_OBJECT_HEADER, bp->object_info_tbl_offset); + + if (!object_info_tbl) + return false; + + get_atom_data_table_revision(&object_info_tbl->sHeader, + &bp->object_info_tbl.revision); + + if (bp->object_info_tbl.revision.major == 1 + && bp->object_info_tbl.revision.minor >= 3) { + ATOM_OBJECT_HEADER_V3 *tbl_v3; + + tbl_v3 = GET_IMAGE(ATOM_OBJECT_HEADER_V3, + bp->object_info_tbl_offset); + if (!tbl_v3) + return false; + + bp->object_info_tbl.v1_3 = tbl_v3; + } else if (bp->object_info_tbl.revision.major == 1 + && bp->object_info_tbl.revision.minor >= 1) + bp->object_info_tbl.v1_1 = object_info_tbl; + else + return false; + + dal_bios_parser_init_cmd_tbl(bp); + dal_bios_parser_init_cmd_tbl_helper(&bp->cmd_helper, dce_version); + + bp->base.integrated_info = bios_parser_create_integrated_info(&bp->base); + + return true; +} + +/******************************************************************************/ |