diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h | 90 |
1 files changed, 88 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h index 18d2f51eb50d..707c7d0e370a 100644 --- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h @@ -47,10 +47,10 @@ /* Firmware versioning. */ #ifdef DMUB_EXPOSE_VERSION -#define DMUB_FW_VERSION_GIT_HASH 0x5cac099d3 +#define DMUB_FW_VERSION_GIT_HASH 0xf3da2b656 #define DMUB_FW_VERSION_MAJOR 0 #define DMUB_FW_VERSION_MINOR 0 -#define DMUB_FW_VERSION_REVISION 70 +#define DMUB_FW_VERSION_REVISION 71 #define DMUB_FW_VERSION_TEST 0 #define DMUB_FW_VERSION_VBIOS 0 #define DMUB_FW_VERSION_HOTFIX 0 @@ -309,6 +309,7 @@ struct dmcub_trace_buf_entry { * Current scratch register usage is as follows: * * SCRATCH0: FW Boot Status register + * SCRATCH5: LVTMA Status Register * SCRATCH15: FW Boot Options register */ @@ -335,6 +336,21 @@ enum dmub_fw_boot_status_bit { DMUB_FW_BOOT_STATUS_BIT_RESTORE_REQUIRED = (1 << 3), /**< 1 if driver should call restore */ }; +/* Register bit definition for SCRATCH5 */ +union dmub_lvtma_status { + struct { + uint32_t psp_ok : 1; + uint32_t edp_on : 1; + uint32_t reserved : 30; + } bits; + uint32_t all; +}; + +enum dmub_lvtma_status_bit { + DMUB_LVTMA_STATUS_BIT_PSP_OK = (1 << 0), + DMUB_LVTMA_STATUS_BIT_EDP_ON = (1 << 1), +}; + /** * union dmub_fw_boot_options - Boot option definitions for SCRATCH15 */ @@ -630,6 +646,10 @@ enum dmub_cmd_type { DMUB_CMD__PANEL_CNTL = 74, #endif /** + * Command type used for EDID CEA parsing + */ + DMUB_CMD__EDID_CEA = 79, + /** * Command type used for all VBIOS interface commands. */ DMUB_CMD__VBIOS = 128, @@ -2153,6 +2173,68 @@ struct dmub_rb_cmd_lvtma_control { }; /** + * Maximum number of bytes a chunk sent to DMUB for parsing + */ +#define DMUB_EDID_CEA_DATA_CHUNK_BYTES 8 + +/** + * Represent a chunk of CEA blocks sent to DMUB for parsing + */ +struct dmub_cmd_send_edid_cea { + uint16_t offset; /**< offset into the CEA block */ + uint8_t length; /**< number of bytes in payload to copy as part of CEA block */ + uint16_t total_length; /**< total length of the CEA block */ + uint8_t payload[DMUB_EDID_CEA_DATA_CHUNK_BYTES]; /**< data chunk of the CEA block */ + uint8_t pad[3]; /**< padding and for future expansion */ +}; + +/** + * Result of VSDB parsing from CEA block + */ +struct dmub_cmd_edid_cea_amd_vsdb { + uint8_t vsdb_found; /**< 1 if parsing has found valid AMD VSDB */ + uint8_t freesync_supported; /**< 1 if Freesync is supported */ + uint16_t amd_vsdb_version; /**< AMD VSDB version */ + uint16_t min_frame_rate; /**< Maximum frame rate */ + uint16_t max_frame_rate; /**< Minimum frame rate */ +}; + +/** + * Result of sending a CEA chunk + */ +struct dmub_cmd_edid_cea_ack { + uint16_t offset; /**< offset of the chunk into the CEA block */ + uint8_t success; /**< 1 if this sending of chunk succeeded */ + uint8_t pad; /**< padding and for future expansion */ +}; + +/** + * Specify whether the result is an ACK/NACK or the parsing has finished + */ +enum dmub_cmd_edid_cea_reply_type { + DMUB_CMD__EDID_CEA_AMD_VSDB = 1, /**< VSDB parsing has finished */ + DMUB_CMD__EDID_CEA_ACK = 2, /**< acknowledges the CEA sending is OK or failing */ +}; + +/** + * Definition of a DMUB_CMD__EDID_CEA command. + */ +struct dmub_rb_cmd_edid_cea { + struct dmub_cmd_header header; /**< Command header */ + union dmub_cmd_edid_cea_data { + struct dmub_cmd_send_edid_cea input; /**< input to send CEA chunks */ + struct dmub_cmd_edid_cea_output { /**< output with results */ + uint8_t type; /**< dmub_cmd_edid_cea_reply_type */ + union { + struct dmub_cmd_edid_cea_amd_vsdb amd_vsdb; + struct dmub_cmd_edid_cea_ack ack; + }; + } output; /**< output to retrieve ACK/NACK or VSDB parsing results */ + } data; /**< Command data */ + +}; + +/** * union dmub_rb_cmd - DMUB inbox command. */ union dmub_rb_cmd { @@ -2290,6 +2372,10 @@ union dmub_rb_cmd { * Definition of a DMUB_CMD__VBIOS_LVTMA_CONTROL command. */ struct dmub_rb_cmd_lvtma_control lvtma_control; + /** + * Definition of a DMUB_CMD__EDID_CEA command. + */ + struct dmub_rb_cmd_edid_cea edid_cea; }; /** |