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 | 1181 |
1 files changed, 1 insertions, 1180 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 index be8a2494355a..0e1dc1b1a48d 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c @@ -42,7 +42,7 @@ #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 @@ -52,24 +52,13 @@ #define DC_LOGGER \ bp->base.ctx->logger -/* 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, @@ -163,29 +152,6 @@ static uint8_t bios_parser_get_connectors_number(struct dc_bios *dcb) 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) @@ -217,15 +183,6 @@ static struct graphics_object_id bios_parser_get_connector_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) @@ -255,30 +212,6 @@ static enum bp_result bios_parser_get_src_obj(struct dc_bios *dcb, 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) @@ -325,196 +258,6 @@ static enum bp_result bios_parser_get_i2c_info(struct dc_bios *dcb, 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) @@ -1129,62 +872,6 @@ static bool bios_parser_is_device_id_supported( 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) { @@ -1219,49 +906,6 @@ static ATOM_HPD_INT_RECORD *get_hpd_record(struct bios_parser *bp, 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, @@ -2356,40 +2000,6 @@ static ATOM_OBJECT *get_bios_object(struct bios_parser *bp, 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) { @@ -2417,35 +2027,6 @@ static uint32_t get_src_obj_list(struct bios_parser *bp, ATOM_OBJECT *object, 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) { @@ -2625,752 +2206,6 @@ static uint32_t get_support_mask_for_device_id(struct device_id device_id) } /** - * 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) { - - DC_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 @@ -3961,22 +2796,12 @@ static enum bp_result bios_get_board_layout_info( 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, @@ -3995,7 +2820,6 @@ static const struct dc_vbios_funcs vbios_funcs = { /* bios scratch register communication */ .is_accelerated_mode = bios_is_accelerated_mode, - .get_vga_enabled_displays = bios_get_vga_enabled_displays, .set_scratch_critical_state = bios_parser_set_scratch_critical_state, @@ -4006,8 +2830,6 @@ static const struct dc_vbios_funcs vbios_funcs = { .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, @@ -4027,7 +2849,6 @@ static const struct dc_vbios_funcs vbios_funcs = { .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, |