| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Anthony Koo | 3447 | 59.98% | 40 | 45.45% |
| Nicholas Kazlauskas | 649 | 11.29% | 4 | 4.55% |
| Dingchen Zhang | 263 | 4.58% | 1 | 1.14% |
| Alvin lee | 200 | 3.48% | 1 | 1.14% |
| Wyatt Wood | 198 | 3.45% | 5 | 5.68% |
| Meenakshikumar Somasundaram | 172 | 2.99% | 5 | 5.68% |
| Yongqiang Sun | 125 | 2.18% | 8 | 9.09% |
| Jimmy Kizito | 99 | 1.72% | 2 | 2.27% |
| Jake Wang | 91 | 1.58% | 3 | 3.41% |
| Wenjing Liu | 82 | 1.43% | 1 | 1.14% |
| Mikita Lipski | 79 | 1.37% | 2 | 2.27% |
| Bhawanpreet Lakha | 77 | 1.34% | 3 | 3.41% |
| rodrigosiqueira | 68 | 1.18% | 1 | 1.14% |
| Po-Ting Chen | 53 | 0.92% | 2 | 2.27% |
| Eric Yang | 51 | 0.89% | 1 | 1.14% |
| Aurabindo Pillai | 45 | 0.78% | 1 | 1.14% |
| Charlene Liu | 17 | 0.30% | 1 | 1.14% |
| Hansen | 10 | 0.17% | 1 | 1.14% |
| Shah Dharati | 6 | 0.10% | 1 | 1.14% |
| Aashish Sharma | 6 | 0.10% | 1 | 1.14% |
| Ian Chen | 5 | 0.09% | 1 | 1.14% |
| Jerry (Fangzhi) Zuo | 2 | 0.03% | 1 | 1.14% |
| Oliver Logush | 1 | 0.02% | 1 | 1.14% |
| Maíra Canal | 1 | 0.02% | 1 | 1.14% |
| Total | 5747 | 88 |
/* * Copyright 2019 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 * */ #ifndef DMUB_CMD_H #define DMUB_CMD_H #if defined(_TEST_HARNESS) || defined(FPGA_USB4) #include "dmub_fw_types.h" #include "include_legacy/atomfirmware.h" #if defined(_TEST_HARNESS) #include <string.h> #endif #else #include <asm/byteorder.h> #include <linux/types.h> #include <linux/string.h> #include <linux/delay.h> #include "atomfirmware.h" #endif // defined(_TEST_HARNESS) || defined(FPGA_USB4) //<DMUB_TYPES>================================================================== /* Basic type definitions. */ #define __forceinline inline /** * Flag from driver to indicate that ABM should be disabled gradually * by slowly reversing all backlight programming and pixel compensation. */ #define SET_ABM_PIPE_GRADUALLY_DISABLE 0 /** * Flag from driver to indicate that ABM should be disabled immediately * and undo all backlight programming and pixel compensation. */ #define SET_ABM_PIPE_IMMEDIATELY_DISABLE 255 /** * Flag from driver to indicate that ABM should be disabled immediately * and keep the current backlight programming and pixel compensation. */ #define SET_ABM_PIPE_IMMEDIATE_KEEP_GAIN_DISABLE 254 /** * Flag from driver to set the current ABM pipe index or ABM operating level. */ #define SET_ABM_PIPE_NORMAL 1 /** * Number of ambient light levels in ABM algorithm. */ #define NUM_AMBI_LEVEL 5 /** * Number of operating/aggression levels in ABM algorithm. */ #define NUM_AGGR_LEVEL 4 /** * Number of segments in the gamma curve. */ #define NUM_POWER_FN_SEGS 8 /** * Number of segments in the backlight curve. */ #define NUM_BL_CURVE_SEGS 16 /* Maximum number of SubVP streams */ #define DMUB_MAX_SUBVP_STREAMS 2 /* Maximum number of streams on any ASIC. */ #define DMUB_MAX_STREAMS 6 /* Maximum number of planes on any ASIC. */ #define DMUB_MAX_PLANES 6 /* Trace buffer offset for entry */ #define TRACE_BUFFER_ENTRY_OFFSET 16 /** * Maximum number of dirty rects supported by FW. */ #define DMUB_MAX_DIRTY_RECTS 3 /** * * PSR control version legacy */ #define DMUB_CMD_PSR_CONTROL_VERSION_UNKNOWN 0x0 /** * PSR control version with multi edp support */ #define DMUB_CMD_PSR_CONTROL_VERSION_1 0x1 /** * ABM control version legacy */ #define DMUB_CMD_ABM_CONTROL_VERSION_UNKNOWN 0x0 /** * ABM control version with multi edp support */ #define DMUB_CMD_ABM_CONTROL_VERSION_1 0x1 /** * Physical framebuffer address location, 64-bit. */ #ifndef PHYSICAL_ADDRESS_LOC #define PHYSICAL_ADDRESS_LOC union large_integer #endif /** * OS/FW agnostic memcpy */ #ifndef dmub_memcpy #define dmub_memcpy(dest, source, bytes) memcpy((dest), (source), (bytes)) #endif /** * OS/FW agnostic memset */ #ifndef dmub_memset #define dmub_memset(dest, val, bytes) memset((dest), (val), (bytes)) #endif #if defined(__cplusplus) extern "C" { #endif /** * OS/FW agnostic udelay */ #ifndef dmub_udelay #define dmub_udelay(microseconds) udelay(microseconds) #endif /** * union dmub_addr - DMUB physical/virtual 64-bit address. */ union dmub_addr { struct { uint32_t low_part; /**< Lower 32 bits */ uint32_t high_part; /**< Upper 32 bits */ } u; /*<< Low/high bit access */ uint64_t quad_part; /*<< 64 bit address */ }; /** * Dirty rect definition. */ struct dmub_rect { /** * Dirty rect x offset. */ uint32_t x; /** * Dirty rect y offset. */ uint32_t y; /** * Dirty rect width. */ uint32_t width; /** * Dirty rect height. */ uint32_t height; }; /** * Flags that can be set by driver to change some PSR behaviour. */ union dmub_psr_debug_flags { /** * Debug flags. */ struct { /** * Enable visual confirm in FW. */ uint32_t visual_confirm : 1; /** * Force all selective updates to bw full frame updates. */ uint32_t force_full_frame_update : 1; /** * Use HW Lock Mgr object to do HW locking in FW. */ uint32_t use_hw_lock_mgr : 1; /** * Use TPS3 signal when restore main link. */ uint32_t force_wakeup_by_tps3 : 1; } bitfields; /** * Union for debug flags. */ uint32_t u32All; }; /** * DMUB feature capabilities. * After DMUB init, driver will query FW capabilities prior to enabling certain features. */ struct dmub_feature_caps { /** * Max PSR version supported by FW. */ uint8_t psr; uint8_t fw_assisted_mclk_switch; uint8_t reserved[6]; }; #if defined(__cplusplus) } #endif //============================================================================== //</DMUB_TYPES>================================================================= //============================================================================== //< DMUB_META>================================================================== //============================================================================== #pragma pack(push, 1) /* Magic value for identifying dmub_fw_meta_info */ #define DMUB_FW_META_MAGIC 0x444D5542 /* Offset from the end of the file to the dmub_fw_meta_info */ #define DMUB_FW_META_OFFSET 0x24 /** * struct dmub_fw_meta_info - metadata associated with fw binary * * NOTE: This should be considered a stable API. Fields should * not be repurposed or reordered. New fields should be * added instead to extend the structure. * * @magic_value: magic value identifying DMUB firmware meta info * @fw_region_size: size of the firmware state region * @trace_buffer_size: size of the tracebuffer region * @fw_version: the firmware version information * @dal_fw: 1 if the firmware is DAL */ struct dmub_fw_meta_info { uint32_t magic_value; /**< magic value identifying DMUB firmware meta info */ uint32_t fw_region_size; /**< size of the firmware state region */ uint32_t trace_buffer_size; /**< size of the tracebuffer region */ uint32_t fw_version; /**< the firmware version information */ uint8_t dal_fw; /**< 1 if the firmware is DAL */ uint8_t reserved[3]; /**< padding bits */ }; /** * union dmub_fw_meta - ensures that dmub_fw_meta_info remains 64 bytes */ union dmub_fw_meta { struct dmub_fw_meta_info info; /**< metadata info */ uint8_t reserved[64]; /**< padding bits */ }; #pragma pack(pop) //============================================================================== //< DMUB Trace Buffer>================================================================ //============================================================================== /** * dmub_trace_code_t - firmware trace code, 32-bits */ typedef uint32_t dmub_trace_code_t; /** * struct dmcub_trace_buf_entry - Firmware trace entry */ struct dmcub_trace_buf_entry { dmub_trace_code_t trace_code; /**< trace code for the event */ uint32_t tick_count; /**< the tick count at time of trace */ uint32_t param0; /**< trace defined parameter 0 */ uint32_t param1; /**< trace defined parameter 1 */ }; //============================================================================== //< DMUB_STATUS>================================================================ //============================================================================== /** * DMCUB scratch registers can be used to determine firmware status. * Current scratch register usage is as follows: * * SCRATCH0: FW Boot Status register * SCRATCH5: LVTMA Status Register * SCRATCH15: FW Boot Options register */ /** * union dmub_fw_boot_status - Status bit definitions for SCRATCH0. */ union dmub_fw_boot_status { struct { uint32_t dal_fw : 1; /**< 1 if DAL FW */ uint32_t mailbox_rdy : 1; /**< 1 if mailbox ready */ uint32_t optimized_init_done : 1; /**< 1 if optimized init done */ uint32_t restore_required : 1; /**< 1 if driver should call restore */ uint32_t defer_load : 1; /**< 1 if VBIOS data is deferred programmed */ uint32_t reserved : 1; uint32_t detection_required: 1; /**< if detection need to be triggered by driver */ } bits; /**< status bits */ uint32_t all; /**< 32-bit access to status bits */ }; /** * enum dmub_fw_boot_status_bit - Enum bit definitions for SCRATCH0. */ enum dmub_fw_boot_status_bit { DMUB_FW_BOOT_STATUS_BIT_DAL_FIRMWARE = (1 << 0), /**< 1 if DAL FW */ DMUB_FW_BOOT_STATUS_BIT_MAILBOX_READY = (1 << 1), /**< 1 if mailbox ready */ DMUB_FW_BOOT_STATUS_BIT_OPTIMIZED_INIT_DONE = (1 << 2), /**< 1 if init done */ DMUB_FW_BOOT_STATUS_BIT_RESTORE_REQUIRED = (1 << 3), /**< 1 if driver should call restore */ DMUB_FW_BOOT_STATUS_BIT_DEFERRED_LOADED = (1 << 4), /**< 1 if VBIOS data is deferred programmed */ DMUB_FW_BOOT_STATUS_BIT_DETECTION_REQUIRED = (1 << 6), /**< 1 if detection need to be triggered by driver*/ }; /* 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 SCRATCH14 */ union dmub_fw_boot_options { struct { uint32_t pemu_env : 1; /**< 1 if PEMU */ uint32_t fpga_env : 1; /**< 1 if FPGA */ uint32_t optimized_init : 1; /**< 1 if optimized init */ uint32_t skip_phy_access : 1; /**< 1 if PHY access should be skipped */ uint32_t disable_clk_gate: 1; /**< 1 if clock gating should be disabled */ uint32_t skip_phy_init_panel_sequence: 1; /**< 1 to skip panel init seq */ uint32_t z10_disable: 1; /**< 1 to disable z10 */ uint32_t enable_dpia: 1; /**< 1 if DPIA should be enabled */ uint32_t invalid_vbios_data: 1; /**< 1 if VBIOS data table is invalid */ uint32_t dpia_supported: 1; /**< 1 if DPIA is supported on this platform */ uint32_t sel_mux_phy_c_d_phy_f_g: 1; /**< 1 if PHYF/PHYG should be enabled */ /**< 1 if all root clock gating is enabled and low power memory is enabled*/ uint32_t power_optimization: 1; uint32_t diag_env: 1; /* 1 if diagnostic environment */ uint32_t gpint_scratch8: 1; /* 1 if GPINT is in scratch8*/ uint32_t usb4_cm_version: 1; /**< 1 CM support */ uint32_t reserved : 17; /**< reserved */ } bits; /**< boot bits */ uint32_t all; /**< 32-bit access to bits */ }; enum dmub_fw_boot_options_bit { DMUB_FW_BOOT_OPTION_BIT_PEMU_ENV = (1 << 0), /**< 1 if PEMU */ DMUB_FW_BOOT_OPTION_BIT_FPGA_ENV = (1 << 1), /**< 1 if FPGA */ DMUB_FW_BOOT_OPTION_BIT_OPTIMIZED_INIT_DONE = (1 << 2), /**< 1 if optimized init done */ }; //============================================================================== //</DMUB_STATUS>================================================================ //============================================================================== //< DMUB_VBIOS>================================================================= //============================================================================== /* * enum dmub_cmd_vbios_type - VBIOS commands. * * Command IDs should be treated as stable ABI. * Do not reuse or modify IDs. */ enum dmub_cmd_vbios_type { /** * Configures the DIG encoder. */ DMUB_CMD__VBIOS_DIGX_ENCODER_CONTROL = 0, /** * Controls the PHY. */ DMUB_CMD__VBIOS_DIG1_TRANSMITTER_CONTROL = 1, /** * Sets the pixel clock/symbol clock. */ DMUB_CMD__VBIOS_SET_PIXEL_CLOCK = 2, /** * Enables or disables power gating. */ DMUB_CMD__VBIOS_ENABLE_DISP_POWER_GATING = 3, /** * Controls embedded panels. */ DMUB_CMD__VBIOS_LVTMA_CONTROL = 15, /** * Query DP alt status on a transmitter. */ DMUB_CMD__VBIOS_TRANSMITTER_QUERY_DP_ALT = 26, }; //============================================================================== //</DMUB_VBIOS>================================================================= //============================================================================== //< DMUB_GPINT>================================================================= //============================================================================== /** * The shifts and masks below may alternatively be used to format and read * the command register bits. */ #define DMUB_GPINT_DATA_PARAM_MASK 0xFFFF #define DMUB_GPINT_DATA_PARAM_SHIFT 0 #define DMUB_GPINT_DATA_COMMAND_CODE_MASK 0xFFF #define DMUB_GPINT_DATA_COMMAND_CODE_SHIFT 16 #define DMUB_GPINT_DATA_STATUS_MASK 0xF #define DMUB_GPINT_DATA_STATUS_SHIFT 28 /** * Command responses. */ /** * Return response for DMUB_GPINT__STOP_FW command. */ #define DMUB_GPINT__STOP_FW_RESPONSE 0xDEADDEAD /** * union dmub_gpint_data_register - Format for sending a command via the GPINT. */ union dmub_gpint_data_register { struct { uint32_t param : 16; /**< 16-bit parameter */ uint32_t command_code : 12; /**< GPINT command */ uint32_t status : 4; /**< Command status bit */ } bits; /**< GPINT bit access */ uint32_t all; /**< GPINT 32-bit access */ }; /* * enum dmub_gpint_command - GPINT command to DMCUB FW * * Command IDs should be treated as stable ABI. * Do not reuse or modify IDs. */ enum dmub_gpint_command { /** * Invalid command, ignored. */ DMUB_GPINT__INVALID_COMMAND = 0, /** * DESC: Queries the firmware version. * RETURN: Firmware version. */ DMUB_GPINT__GET_FW_VERSION = 1, /** * DESC: Halts the firmware. * RETURN: DMUB_GPINT__STOP_FW_RESPONSE (0xDEADDEAD) when halted */ DMUB_GPINT__STOP_FW = 2, /** * DESC: Get PSR state from FW. * RETURN: PSR state enum. This enum may need to be converted to the legacy PSR state value. */ DMUB_GPINT__GET_PSR_STATE = 7, /** * DESC: Notifies DMCUB of the currently active streams. * ARGS: Stream mask, 1 bit per active stream index. */ DMUB_GPINT__IDLE_OPT_NOTIFY_STREAM_MASK = 8, /** * DESC: Start PSR residency counter. Stop PSR resdiency counter and get value. * ARGS: We can measure residency from various points. The argument will specify the residency mode. * By default, it is measured from after we powerdown the PHY, to just before we powerup the PHY. * RETURN: PSR residency in milli-percent. */ DMUB_GPINT__PSR_RESIDENCY = 9, /** * DESC: Notifies DMCUB detection is done so detection required can be cleared. */ DMUB_GPINT__NOTIFY_DETECTION_DONE = 12, }; /** * INBOX0 generic command definition */ union dmub_inbox0_cmd_common { struct { uint32_t command_code: 8; /**< INBOX0 command code */ uint32_t param: 24; /**< 24-bit parameter */ } bits; uint32_t all; }; /** * INBOX0 hw_lock command definition */ union dmub_inbox0_cmd_lock_hw { struct { uint32_t command_code: 8; /* NOTE: Must be have enough bits to match: enum hw_lock_client */ uint32_t hw_lock_client: 2; /* NOTE: Below fields must match with: struct dmub_hw_lock_inst_flags */ uint32_t otg_inst: 3; uint32_t opp_inst: 3; uint32_t dig_inst: 3; /* NOTE: Below fields must match with: union dmub_hw_lock_flags */ uint32_t lock_pipe: 1; uint32_t lock_cursor: 1; uint32_t lock_dig: 1; uint32_t triple_buffer_lock: 1; uint32_t lock: 1; /**< Lock */ uint32_t should_release: 1; /**< Release */ uint32_t reserved: 7; /**< Reserved for extending more clients, HW, etc. */ } bits; uint32_t all; }; union dmub_inbox0_data_register { union dmub_inbox0_cmd_common inbox0_cmd_common; union dmub_inbox0_cmd_lock_hw inbox0_cmd_lock_hw; }; enum dmub_inbox0_command { /** * DESC: Invalid command, ignored. */ DMUB_INBOX0_CMD__INVALID_COMMAND = 0, /** * DESC: Notification to acquire/release HW lock * ARGS: */ DMUB_INBOX0_CMD__HW_LOCK = 1, }; //============================================================================== //</DMUB_GPINT>================================================================= //============================================================================== //< DMUB_CMD>=================================================================== //============================================================================== /** * Size in bytes of each DMUB command. */ #define DMUB_RB_CMD_SIZE 64 /** * Maximum number of items in the DMUB ringbuffer. */ #define DMUB_RB_MAX_ENTRY 128 /** * Ringbuffer size in bytes. */ #define DMUB_RB_SIZE (DMUB_RB_CMD_SIZE * DMUB_RB_MAX_ENTRY) /** * REG_SET mask for reg offload. */ #define REG_SET_MASK 0xFFFF /* * enum dmub_cmd_type - DMUB inbox command. * * Command IDs should be treated as stable ABI. * Do not reuse or modify IDs. */ enum dmub_cmd_type { /** * Invalid command. */ DMUB_CMD__NULL = 0, /** * Read modify write register sequence offload. */ DMUB_CMD__REG_SEQ_READ_MODIFY_WRITE = 1, /** * Field update register sequence offload. */ DMUB_CMD__REG_SEQ_FIELD_UPDATE_SEQ = 2, /** * Burst write sequence offload. */ DMUB_CMD__REG_SEQ_BURST_WRITE = 3, /** * Reg wait sequence offload. */ DMUB_CMD__REG_REG_WAIT = 4, /** * Workaround to avoid HUBP underflow during NV12 playback. */ DMUB_CMD__PLAT_54186_WA = 5, /** * Command type used to query FW feature caps. */ DMUB_CMD__QUERY_FEATURE_CAPS = 6, /** * Command type used for all PSR commands. */ DMUB_CMD__PSR = 64, /** * Command type used for all MALL commands. */ DMUB_CMD__MALL = 65, /** * Command type used for all ABM commands. */ DMUB_CMD__ABM = 66, /** * Command type used to update dirty rects in FW. */ DMUB_CMD__UPDATE_DIRTY_RECT = 67, /** * Command type used to update cursor info in FW. */ DMUB_CMD__UPDATE_CURSOR_INFO = 68, /** * Command type used for HW locking in FW. */ DMUB_CMD__HW_LOCK = 69, /** * Command type used to access DP AUX. */ DMUB_CMD__DP_AUX_ACCESS = 70, /** * Command type used for OUTBOX1 notification enable */ DMUB_CMD__OUTBOX1_ENABLE = 71, /** * Command type used for all idle optimization commands. */ DMUB_CMD__IDLE_OPT = 72, /** * Command type used for all clock manager commands. */ DMUB_CMD__CLK_MGR = 73, /** * Command type used for all panel control commands. */ DMUB_CMD__PANEL_CNTL = 74, /** * Command type used for <TODO:description> */ DMUB_CMD__CAB_FOR_SS = 75, DMUB_CMD__FW_ASSISTED_MCLK_SWITCH = 76, /** * Command type used for interfacing with DPIA. */ DMUB_CMD__DPIA = 77, /** * Command type used for EDID CEA parsing */ DMUB_CMD__EDID_CEA = 79, /** * Command type used for getting usbc cable ID */ DMUB_CMD_GET_USBC_CABLE_ID = 81, /** * Command type used to query HPD state. */ DMUB_CMD__QUERY_HPD_STATE = 82, /** * Command type used for all VBIOS interface commands. */ DMUB_CMD__VBIOS = 128, }; /** * enum dmub_out_cmd_type - DMUB outbox commands. */ enum dmub_out_cmd_type { /** * Invalid outbox command, ignored. */ DMUB_OUT_CMD__NULL = 0, /** * Command type used for DP AUX Reply data notification */ DMUB_OUT_CMD__DP_AUX_REPLY = 1, /** * Command type used for DP HPD event notification */ DMUB_OUT_CMD__DP_HPD_NOTIFY = 2, /** * Command type used for SET_CONFIG Reply notification */ DMUB_OUT_CMD__SET_CONFIG_REPLY = 3, }; /* DMUB_CMD__DPIA command sub-types. */ enum dmub_cmd_dpia_type { DMUB_CMD__DPIA_DIG1_DPIA_CONTROL = 0, DMUB_CMD__DPIA_SET_CONFIG_ACCESS = 1, DMUB_CMD__DPIA_MST_ALLOC_SLOTS = 2, }; #pragma pack(push, 1) /** * struct dmub_cmd_header - Common command header fields. */ struct dmub_cmd_header { unsigned int type : 8; /**< command type */ unsigned int sub_type : 8; /**< command sub type */ unsigned int ret_status : 1; /**< 1 if returned data, 0 otherwise */ unsigned int multi_cmd_pending : 1; /**< 1 if multiple commands chained together */ unsigned int reserved0 : 6; /**< reserved bits */ unsigned int payload_bytes : 6; /* payload excluding header - up to 60 bytes */ unsigned int reserved1 : 2; /**< reserved bits */ }; /* * struct dmub_cmd_read_modify_write_sequence - Read modify write * * 60 payload bytes can hold up to 5 sets of read modify writes, * each take 3 dwords. * * number of sequences = header.payload_bytes / sizeof(struct dmub_cmd_read_modify_write_sequence) * * modify_mask = 0xffff'ffff means all fields are going to be updated. in this case * command parser will skip the read and we can use modify_mask = 0xffff'ffff as reg write */ struct dmub_cmd_read_modify_write_sequence { uint32_t addr; /**< register address */ uint32_t modify_mask; /**< modify mask */ uint32_t modify_value; /**< modify value */ }; /** * Maximum number of ops in read modify write sequence. */ #define DMUB_READ_MODIFY_WRITE_SEQ__MAX 5 /** * struct dmub_cmd_read_modify_write_sequence - Read modify write command. */ struct dmub_rb_cmd_read_modify_write { struct dmub_cmd_header header; /**< command header */ /** * Read modify write sequence. */ struct dmub_cmd_read_modify_write_sequence seq[DMUB_READ_MODIFY_WRITE_SEQ__MAX]; }; /* * Update a register with specified masks and values sequeunce * * 60 payload bytes can hold address + up to 7 sets of mask/value combo, each take 2 dword * * number of field update sequence = (header.payload_bytes - sizeof(addr)) / sizeof(struct read_modify_write_sequence) * * * USE CASE: * 1. auto-increment register where additional read would update pointer and produce wrong result * 2. toggle a bit without read in the middle */ struct dmub_cmd_reg_field_update_sequence { uint32_t modify_mask; /**< 0xffff'ffff to skip initial read */ uint32_t modify_value; /**< value to update with */ }; /** * Maximum number of ops in field update sequence. */ #define DMUB_REG_FIELD_UPDATE_SEQ__MAX 7 /** * struct dmub_rb_cmd_reg_field_update_sequence - Field update command. */ struct dmub_rb_cmd_reg_field_update_sequence { struct dmub_cmd_header header; /**< command header */ uint32_t addr; /**< register address */ /** * Field update sequence. */ struct dmub_cmd_reg_field_update_sequence seq[DMUB_REG_FIELD_UPDATE_SEQ__MAX]; }; /** * Maximum number of burst write values. */ #define DMUB_BURST_WRITE_VALUES__MAX 14 /* * struct dmub_rb_cmd_burst_write - Burst write * * support use case such as writing out LUTs. * * 60 payload bytes can hold up to 14 values to write to given address * * number of payload = header.payload_bytes / sizeof(struct read_modify_write_sequence) */ struct dmub_rb_cmd_burst_write { struct dmub_cmd_header header; /**< command header */ uint32_t addr; /**< register start address */ /** * Burst write register values. */ uint32_t write_values[DMUB_BURST_WRITE_VALUES__MAX]; }; /** * struct dmub_rb_cmd_common - Common command header */ struct dmub_rb_cmd_common { struct dmub_cmd_header header; /**< command header */ /** * Padding to RB_CMD_SIZE */ uint8_t cmd_buffer[DMUB_RB_CMD_SIZE - sizeof(struct dmub_cmd_header)]; }; /** * struct dmub_cmd_reg_wait_data - Register wait data */ struct dmub_cmd_reg_wait_data { uint32_t addr; /**< Register address */ uint32_t mask; /**< Mask for register bits */ uint32_t condition_field_value; /**< Value to wait for */ uint32_t time_out_us; /**< Time out for reg wait in microseconds */ }; /** * struct dmub_rb_cmd_reg_wait - Register wait command */ struct dmub_rb_cmd_reg_wait { struct dmub_cmd_header header; /**< Command header */ struct dmub_cmd_reg_wait_data reg_wait; /**< Register wait data */ }; /** * struct dmub_cmd_PLAT_54186_wa - Underflow workaround * * Reprograms surface parameters to avoid underflow. */ struct dmub_cmd_PLAT_54186_wa { uint32_t DCSURF_SURFACE_CONTROL; /**< reg value */ uint32_t DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH; /**< reg value */ uint32_t DCSURF_PRIMARY_SURFACE_ADDRESS; /**< reg value */ uint32_t DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH_C; /**< reg value */ uint32_t DCSURF_PRIMARY_SURFACE_ADDRESS_C; /**< reg value */ struct { uint8_t hubp_inst : 4; /**< HUBP instance */ uint8_t tmz_surface : 1; /**< TMZ enable or disable */ uint8_t immediate :1; /**< Immediate flip */ uint8_t vmid : 4; /**< VMID */ uint8_t grph_stereo : 1; /**< 1 if stereo */ uint32_t reserved : 21; /**< Reserved */ } flip_params; /**< Pageflip parameters */ uint32_t reserved[9]; /**< Reserved bits */ }; /** * struct dmub_rb_cmd_PLAT_54186_wa - Underflow workaround command */ struct dmub_rb_cmd_PLAT_54186_wa { struct dmub_cmd_header header; /**< Command header */ struct dmub_cmd_PLAT_54186_wa flip; /**< Flip data */ }; /** * struct dmub_rb_cmd_mall - MALL command data. */ struct dmub_rb_cmd_mall { struct dmub_cmd_header header; /**< Common command header */ union dmub_addr cursor_copy_src; /**< Cursor copy address */ union dmub_addr cursor_copy_dst; /**< Cursor copy destination */ uint32_t tmr_delay; /**< Timer delay */ uint32_t tmr_scale; /**< Timer scale */ uint16_t cursor_width; /**< Cursor width in pixels */ uint16_t cursor_pitch; /**< Cursor pitch in pixels */ uint16_t cursor_height; /**< Cursor height in pixels */ uint8_t cursor_bpp; /**< Cursor bits per pixel */ uint8_t debug_bits; /**< Debug bits */ uint8_t reserved1; /**< Reserved bits */ uint8_t reserved2; /**< Reserved bits */ }; /** * enum dmub_cmd_cab_type - TODO: */ enum dmub_cmd_cab_type { DMUB_CMD__CAB_NO_IDLE_OPTIMIZATION = 0, DMUB_CMD__CAB_NO_DCN_REQ = 1, DMUB_CMD__CAB_DCN_SS_FIT_IN_CAB = 2, }; /** * struct dmub_rb_cmd_cab_for_ss - TODO: */ struct dmub_rb_cmd_cab_for_ss { struct dmub_cmd_header header; uint8_t cab_alloc_ways; /* total number of ways */ uint8_t debug_bits; /* debug bits */ }; enum mclk_switch_mode { NONE = 0, FPO = 1, SUBVP = 2, VBLANK = 3, }; /* Per pipe struct which stores the MCLK switch mode * data to be sent to DMUB. * Named "v2" for now -- once FPO and SUBVP are fully merged * the type name can be updated */ struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 { union { struct { uint32_t pix_clk_100hz; uint16_t main_vblank_start; uint16_t main_vblank_end; uint16_t mall_region_lines; uint16_t prefetch_lines; uint16_t prefetch_to_mall_start_lines; uint16_t processing_delay_lines; uint16_t htotal; // required to calculate line time for multi-display cases uint16_t vtotal; uint8_t main_pipe_index; uint8_t phantom_pipe_index; uint8_t is_drr; uint8_t padding; } subvp_data; struct { uint32_t pix_clk_100hz; uint16_t vblank_start; uint16_t vblank_end; uint16_t vstartup_start; uint16_t vtotal; uint16_t htotal; uint8_t vblank_pipe_index; uint8_t padding[2]; struct { uint8_t drr_in_use; uint8_t drr_window_size_ms; // Indicates largest VMIN/VMAX adjustment per frame uint16_t min_vtotal_supported; // Min VTOTAL that supports switching in VBLANK uint16_t max_vtotal_supported; // Max VTOTAL that can support SubVP static scheduling uint8_t use_ramping; // Use ramping or not } drr_info; // DRR considered as part of SubVP + VBLANK case } vblank_data; } pipe_config; enum mclk_switch_mode mode; }; /** * Config data for Sub-VP and FPO * Named "v2" for now -- once FPO and SUBVP are fully merged * the type name can be updated */ struct dmub_cmd_fw_assisted_mclk_switch_config_v2 { uint16_t watermark_a_cache; uint8_t vertical_int_margin_us; uint8_t pstate_allow_width_us; struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 pipe_data[DMUB_MAX_SUBVP_STREAMS]; }; /** * DMUB rb command definition for Sub-VP and FPO * Named "v2" for now -- once FPO and SUBVP are fully merged * the type name can be updated */ struct dmub_rb_cmd_fw_assisted_mclk_switch_v2 { struct dmub_cmd_header header; struct dmub_cmd_fw_assisted_mclk_switch_config_v2 config_data; }; /** * enum dmub_cmd_idle_opt_type - Idle optimization command type. */ enum dmub_cmd_idle_opt_type { /** * DCN hardware restore. */ DMUB_CMD__IDLE_OPT_DCN_RESTORE = 0, /** * DCN hardware save. */ DMUB_CMD__IDLE_OPT_DCN_SAVE_INIT = 1 }; /** * struct dmub_rb_cmd_idle_opt_dcn_restore - DCN restore command data. */ struct dmub_rb_cmd_idle_opt_dcn_restore { struct dmub_cmd_header header; /**< header */ }; /** * struct dmub_clocks - Clock update notification. */ struct dmub_clocks { uint32_t dispclk_khz; /**< dispclk kHz */ uint32_t dppclk_khz; /**< dppclk kHz */ uint32_t dcfclk_khz; /**< dcfclk kHz */ uint32_t dcfclk_deep_sleep_khz; /**< dcfclk deep sleep kHz */ }; /** * enum dmub_cmd_clk_mgr_type - Clock manager commands. */ enum dmub_cmd_clk_mgr_type { /** * Notify DMCUB of clock update. */ DMUB_CMD__CLK_MGR_NOTIFY_CLOCKS = 0, }; /** * struct dmub_rb_cmd_clk_mgr_notify_clocks - Clock update notification. */ struct dmub_rb_cmd_clk_mgr_notify_clocks { struct dmub_cmd_header header; /**< header */ struct dmub_clocks clocks; /**< clock data */ }; /** * struct dmub_cmd_digx_encoder_control_data - Encoder control data. */ struct dmub_cmd_digx_encoder_control_data { union dig_encoder_control_parameters_v1_5 dig; /**< payload */ }; /** * struct dmub_rb_cmd_digx_encoder_control - Encoder control command. */ struct dmub_rb_cmd_digx_encoder_control { struct dmub_cmd_header header; /**< header */ struct dmub_cmd_digx_encoder_control_data encoder_control; /**< payload */ }; /** * struct dmub_cmd_set_pixel_clock_data - Set pixel clock data. */ struct dmub_cmd_set_pixel_clock_data { struct set_pixel_clock_parameter_v1_7 clk; /**< payload */ }; /** * struct dmub_cmd_set_pixel_clock_data - Set pixel clock command. */ struct dmub_rb_cmd_set_pixel_clock { struct dmub_cmd_header header; /**< header */ struct dmub_cmd_set_pixel_clock_data pixel_clock; /**< payload */ }; /** * struct dmub_cmd_enable_disp_power_gating_data - Display power gating. */ struct dmub_cmd_enable_disp_power_gating_data { struct enable_disp_power_gating_parameters_v2_1 pwr; /**< payload */ }; /** * struct dmub_rb_cmd_enable_disp_power_gating - Display power command. */ struct dmub_rb_cmd_enable_disp_power_gating { struct dmub_cmd_header header; /**< header */ struct dmub_cmd_enable_disp_power_gating_data power_gating; /**< payload */ }; /** * struct dmub_dig_transmitter_control_data_v1_7 - Transmitter control. */ struct dmub_dig_transmitter_control_data_v1_7 { uint8_t phyid; /**< 0=UNIPHYA, 1=UNIPHYB, 2=UNIPHYC, 3=UNIPHYD, 4=UNIPHYE, 5=UNIPHYF */ uint8_t action; /**< Defined as ATOM_TRANSMITER_ACTION_xxx */ union { uint8_t digmode; /**< enum atom_encode_mode_def */ uint8_t dplaneset; /**< DP voltage swing and pre-emphasis value, "DP_LANE_SET__xDB_y_zV" */ } mode_laneset; uint8_t lanenum; /**< Number of lanes */ union { uint32_t symclk_10khz; /**< Symbol Clock in 10Khz */ } symclk_units; uint8_t hpdsel; /**< =1: HPD1, =2: HPD2, ..., =6: HPD6, =0: HPD is not assigned */ uint8_t digfe_sel; /**< DIG front-end selection, bit0 means DIG0 FE is enabled */ uint8_t connobj_id; /**< Connector Object Id defined in ObjectId.h */ uint8_t HPO_instance; /**< HPO instance (0: inst0, 1: inst1) */ uint8_t reserved1; /**< For future use */ uint8_t reserved2[3]; /**< For future use */ uint32_t reserved3[11]; /**< For future use */ }; /** * union dmub_cmd_dig1_transmitter_control_data - Transmitter control data. */ union dmub_cmd_dig1_transmitter_control_data { struct dig_transmitter_control_parameters_v1_6 dig; /**< payload */ struct dmub_dig_transmitter_control_data_v1_7 dig_v1_7; /**< payload 1.7 */ }; /** * struct dmub_rb_cmd_dig1_transmitter_control - Transmitter control command. */ struct dmub_rb_cmd_dig1_transmitter_control { struct dmub_cmd_header header; /**< header */ union dmub_cmd_dig1_transmitter_control_data transmitter_control; /**< payload */ }; /** * DPIA tunnel command parameters. */ struct dmub_cmd_dig_dpia_control_data { uint8_t enc_id; /** 0 = ENGINE_ID_DIGA, ... */ uint8_t action; /** ATOM_TRANSMITER_ACTION_DISABLE/ENABLE/SETUP_VSEMPH */ union { uint8_t digmode; /** enum atom_encode_mode_def */ uint8_t dplaneset; /** DP voltage swing and pre-emphasis value */ } mode_laneset; uint8_t lanenum; /** Lane number 1, 2, 4, 8 */ uint32_t symclk_10khz; /** Symbol Clock in 10Khz */ uint8_t hpdsel; /** =0: HPD is not assigned */ uint8_t digfe_sel; /** DIG stream( front-end ) selection, bit0 - DIG0 FE */ uint8_t dpia_id; /** Index of DPIA */ uint8_t fec_rdy : 1; uint8_t reserved : 7; uint32_t reserved1; }; /** * DMUB command for DPIA tunnel control. */ struct dmub_rb_cmd_dig1_dpia_control { struct dmub_cmd_header header; struct dmub_cmd_dig_dpia_control_data dpia_control; }; /** * SET_CONFIG Command Payload */ struct set_config_cmd_payload { uint8_t msg_type; /* set config message type */ uint8_t msg_data; /* set config message data */ }; /** * Data passed from driver to FW in a DMUB_CMD__DPIA_SET_CONFIG_ACCESS command. */ struct dmub_cmd_set_config_control_data { struct set_config_cmd_payload cmd_pkt; uint8_t instance; /* DPIA instance */ uint8_t immed_status; /* Immediate status returned in case of error */ }; /** * DMUB command structure for SET_CONFIG command. */ struct dmub_rb_cmd_set_config_access { struct dmub_cmd_header header; /* header */ struct dmub_cmd_set_config_control_data set_config_control; /* set config data */ }; /** * Data passed from driver to FW in a DMUB_CMD__DPIA_MST_ALLOC_SLOTS command. */ struct dmub_cmd_mst_alloc_slots_control_data { uint8_t mst_alloc_slots; /* mst slots to be allotted */ uint8_t instance; /* DPIA instance */ uint8_t immed_status; /* Immediate status returned as there is no outbox msg posted */ uint8_t mst_slots_in_use; /* returns slots in use for error cases */ }; /** * DMUB command structure for SET_ command. */ struct dmub_rb_cmd_set_mst_alloc_slots { struct dmub_cmd_header header; /* header */ struct dmub_cmd_mst_alloc_slots_control_data mst_slots_control; /* mst slots control */ }; /** * struct dmub_rb_cmd_dpphy_init - DPPHY init. */ struct dmub_rb_cmd_dpphy_init { struct dmub_cmd_header header; /**< header */ uint8_t reserved[60]; /**< reserved bits */ }; /** * enum dp_aux_request_action - DP AUX request command listing. * * 4 AUX request command bits are shifted to high nibble. */ enum dp_aux_request_action { /** I2C-over-AUX write request */ DP_AUX_REQ_ACTION_I2C_WRITE = 0x00, /** I2C-over-AUX read request */ DP_AUX_REQ_ACTION_I2C_READ = 0x10, /** I2C-over-AUX write status request */ DP_AUX_REQ_ACTION_I2C_STATUS_REQ = 0x20, /** I2C-over-AUX write request with MOT=1 */ DP_AUX_REQ_ACTION_I2C_WRITE_MOT = 0x40, /** I2C-over-AUX read request with MOT=1 */ DP_AUX_REQ_ACTION_I2C_READ_MOT = 0x50, /** I2C-over-AUX write status request with MOT=1 */ DP_AUX_REQ_ACTION_I2C_STATUS_REQ_MOT = 0x60, /** Native AUX write request */ DP_AUX_REQ_ACTION_DPCD_WRITE = 0x80, /** Native AUX read request */ DP_AUX_REQ_ACTION_DPCD_READ = 0x90 }; /** * enum aux_return_code_type - DP AUX process return code listing. */ enum aux_return_code_type { /** AUX process succeeded */ AUX_RET_SUCCESS = 0, /** AUX process failed with unknown reason */ AUX_RET_ERROR_UNKNOWN, /** AUX process completed with invalid reply */ AUX_RET_ERROR_INVALID_REPLY, /** AUX process timed out */ AUX_RET_ERROR_TIMEOUT, /** HPD was low during AUX process */ AUX_RET_ERROR_HPD_DISCON, /** Failed to acquire AUX engine */ AUX_RET_ERROR_ENGINE_ACQUIRE, /** AUX request not supported */ AUX_RET_ERROR_INVALID_OPERATION, /** AUX process not available */ AUX_RET_ERROR_PROTOCOL_ERROR, }; /** * enum aux_channel_type - DP AUX channel type listing. */ enum aux_channel_type { /** AUX thru Legacy DP AUX */ AUX_CHANNEL_LEGACY_DDC, /** AUX thru DPIA DP tunneling */ AUX_CHANNEL_DPIA }; /** * struct aux_transaction_parameters - DP AUX request transaction data */ struct aux_transaction_parameters { uint8_t is_i2c_over_aux; /**< 0=native AUX, 1=I2C-over-AUX */ uint8_t action; /**< enum dp_aux_request_action */ uint8_t length; /**< DP AUX request data length */ uint8_t reserved; /**< For future use */ uint32_t address; /**< DP AUX address */ uint8_t data[16]; /**< DP AUX write data */ }; /** * Data passed from driver to FW in a DMUB_CMD__DP_AUX_ACCESS command. */ struct dmub_cmd_dp_aux_control_data { uint8_t instance; /**< AUX instance or DPIA instance */ uint8_t manual_acq_rel_enable; /**< manual control for acquiring or releasing AUX channel */ uint8_t sw_crc_enabled; /**< Use software CRC for tunneling packet instead of hardware CRC */ uint8_t reserved0; /**< For future use */ uint16_t timeout; /**< timeout time in us */ uint16_t reserved1; /**< For future use */ enum aux_channel_type type; /**< enum aux_channel_type */ struct aux_transaction_parameters dpaux; /**< struct aux_transaction_parameters */ }; /** * Definition of a DMUB_CMD__DP_AUX_ACCESS command. */ struct dmub_rb_cmd_dp_aux_access { /** * Command header. */ struct dmub_cmd_header header; /** * Data passed from driver to FW in a DMUB_CMD__DP_AUX_ACCESS command. */ struct dmub_cmd_dp_aux_control_data aux_control; }; /** * Definition of a DMUB_CMD__OUTBOX1_ENABLE command. */ struct dmub_rb_cmd_outbox1_enable { /** * Command header. */ struct dmub_cmd_header header; /** * enable: 0x0 -> disable outbox1 notification (default value) * 0x1 -> enable outbox1 notification */ uint32_t enable; }; /* DP AUX Reply command - OutBox Cmd */ /** * Data passed to driver from FW in a DMUB_OUT_CMD__DP_AUX_REPLY command. */ struct aux_reply_data { /** * Aux cmd */ uint8_t command; /** * Aux reply data length (max: 16 bytes) */ uint8_t length; /** * Alignment only */ uint8_t pad[2]; /** * Aux reply data */ uint8_t data[16]; }; /** * Control Data passed to driver from FW in a DMUB_OUT_CMD__DP_AUX_REPLY command. */ struct aux_reply_control_data { /** * Reserved for future use */ uint32_t handle; /** * Aux Instance */ uint8_t instance; /** * Aux transaction result: definition in enum aux_return_code_type */ uint8_t result; /** * Alignment only */ uint16_t pad; }; /** * Definition of a DMUB_OUT_CMD__DP_AUX_REPLY command. */ struct dmub_rb_cmd_dp_aux_reply { /** * Command header. */ struct dmub_cmd_header header; /** * Control Data passed to driver from FW in a DMUB_OUT_CMD__DP_AUX_REPLY command. */ struct aux_reply_control_data control; /** * Data passed to driver from FW in a DMUB_OUT_CMD__DP_AUX_REPLY command. */ struct aux_reply_data reply_data; }; /* DP HPD Notify command - OutBox Cmd */ /** * DP HPD Type */ enum dp_hpd_type { /** * Normal DP HPD */ DP_HPD = 0, /** * DP HPD short pulse */ DP_IRQ }; /** * DP HPD Status */ enum dp_hpd_status { /** * DP_HPD status low */ DP_HPD_UNPLUG = 0, /** * DP_HPD status high */ DP_HPD_PLUG }; /** * Data passed to driver from FW in a DMUB_OUT_CMD__DP_HPD_NOTIFY command. */ struct dp_hpd_data { /** * DP HPD instance */ uint8_t instance; /** * HPD type */ uint8_t hpd_type; /** * HPD status: only for type: DP_HPD to indicate status */ uint8_t hpd_status; /** * Alignment only */ uint8_t pad; }; /** * Definition of a DMUB_OUT_CMD__DP_HPD_NOTIFY command. */ struct dmub_rb_cmd_dp_hpd_notify { /** * Command header. */ struct dmub_cmd_header header; /** * Data passed to driver from FW in a DMUB_OUT_CMD__DP_HPD_NOTIFY command. */ struct dp_hpd_data hpd_data; }; /** * Definition of a SET_CONFIG reply from DPOA. */ enum set_config_status { SET_CONFIG_PENDING = 0, SET_CONFIG_ACK_RECEIVED, SET_CONFIG_RX_TIMEOUT, SET_CONFIG_UNKNOWN_ERROR, }; /** * Definition of a set_config reply */ struct set_config_reply_control_data { uint8_t instance; /* DPIA Instance */ uint8_t status; /* Set Config reply */ uint16_t pad; /* Alignment */ }; /** * Definition of a DMUB_OUT_CMD__SET_CONFIG_REPLY command. */ struct dmub_rb_cmd_dp_set_config_reply { struct dmub_cmd_header header; struct set_config_reply_control_data set_config_reply_control; }; /** * Data passed from driver to FW in a DMUB_CMD__QUERY_HPD_STATE command. */ struct dmub_cmd_hpd_state_query_data { uint8_t instance; /**< HPD instance or DPIA instance */ uint8_t result; /**< For returning HPD state */ uint16_t pad; /** < Alignment */ enum aux_channel_type ch_type; /**< enum aux_channel_type */ enum aux_return_code_type status; /**< for returning the status of command */ }; /** * Definition of a DMUB_CMD__QUERY_HPD_STATE command. */ struct dmub_rb_cmd_query_hpd_state { /** * Command header. */ struct dmub_cmd_header header; /** * Data passed from driver to FW in a DMUB_CMD__QUERY_HPD_STATE command. */ struct dmub_cmd_hpd_state_query_data data; }; /* * Command IDs should be treated as stable ABI. * Do not reuse or modify IDs. */ /** * PSR command sub-types. */ enum dmub_cmd_psr_type { /** * Set PSR version support. */ DMUB_CMD__PSR_SET_VERSION = 0, /** * Copy driver-calculated parameters to PSR state. */ DMUB_CMD__PSR_COPY_SETTINGS = 1, /** * Enable PSR. */ DMUB_CMD__PSR_ENABLE = 2, /** * Disable PSR. */ DMUB_CMD__PSR_DISABLE = 3, /** * Set PSR level. * PSR level is a 16-bit value dicated by driver that * will enable/disable different functionality. */ DMUB_CMD__PSR_SET_LEVEL = 4, /** * Forces PSR enabled until an explicit PSR disable call. */ DMUB_CMD__PSR_FORCE_STATIC = 5, /** * Set vtotal in psr active for FreeSync PSR. */ DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE = 6, /** * Set PSR power option */ DMUB_CMD__SET_PSR_POWER_OPT = 7, }; enum dmub_cmd_fams_type { DMUB_CMD__FAMS_SETUP_FW_CTRL = 0, DMUB_CMD__FAMS_DRR_UPDATE = 1, DMUB_CMD__HANDLE_SUBVP_CMD = 2, // specifically for SubVP cmd /** * For SubVP set manual trigger in FW because it * triggers DRR_UPDATE_PENDING which SubVP relies * on (for any SubVP cases that use a DRR display) */ DMUB_CMD__FAMS_SET_MANUAL_TRIGGER = 3, }; /** * PSR versions. */ enum psr_version { /** * PSR version 1. */ PSR_VERSION_1 = 0, /** * Freesync PSR SU. */ PSR_VERSION_SU_1 = 1, /** * PSR not supported. */ PSR_VERSION_UNSUPPORTED = 0xFFFFFFFF, }; /** * enum dmub_cmd_mall_type - MALL commands */ enum dmub_cmd_mall_type { /** * Allows display refresh from MALL. */ DMUB_CMD__MALL_ACTION_ALLOW = 0, /** * Disallows display refresh from MALL. */ DMUB_CMD__MALL_ACTION_DISALLOW = 1, /** * Cursor copy for MALL. */ DMUB_CMD__MALL_ACTION_COPY_CURSOR = 2, /** * Controls DF requests. */ DMUB_CMD__MALL_ACTION_NO_DF_REQ = 3, }; /** * PHY Link rate for DP. */ enum phy_link_rate { /** * not supported. */ PHY_RATE_UNKNOWN = 0, /** * Rate_1 (RBR) - 1.62 Gbps/Lane */ PHY_RATE_162 = 1, /** * Rate_2 - 2.16 Gbps/Lane */ PHY_RATE_216 = 2, /** * Rate_3 - 2.43 Gbps/Lane */ PHY_RATE_243 = 3, /** * Rate_4 (HBR) - 2.70 Gbps/Lane */ PHY_RATE_270 = 4, /** * Rate_5 (RBR2)- 3.24 Gbps/Lane */ PHY_RATE_324 = 5, /** * Rate_6 - 4.32 Gbps/Lane */ PHY_RATE_432 = 6, /** * Rate_7 (HBR2)- 5.40 Gbps/Lane */ PHY_RATE_540 = 7, /** * Rate_8 (HBR3)- 8.10 Gbps/Lane */ PHY_RATE_810 = 8, /** * UHBR10 - 10.0 Gbps/Lane */ PHY_RATE_1000 = 9, /** * UHBR13.5 - 13.5 Gbps/Lane */ PHY_RATE_1350 = 10, /** * UHBR10 - 20.0 Gbps/Lane */ PHY_RATE_2000 = 11, }; /** * enum dmub_phy_fsm_state - PHY FSM states. * PHY FSM state to transit to during PSR enable/disable. */ enum dmub_phy_fsm_state { DMUB_PHY_FSM_POWER_UP_DEFAULT = 0, DMUB_PHY_FSM_RESET, DMUB_PHY_FSM_RESET_RELEASED, DMUB_PHY_FSM_SRAM_LOAD_DONE, DMUB_PHY_FSM_INITIALIZED, DMUB_PHY_FSM_CALIBRATED, DMUB_PHY_FSM_CALIBRATED_LP, DMUB_PHY_FSM_CALIBRATED_PG, DMUB_PHY_FSM_POWER_DOWN, DMUB_PHY_FSM_PLL_EN, DMUB_PHY_FSM_TX_EN, DMUB_PHY_FSM_FAST_LP, }; /** * Data passed from driver to FW in a DMUB_CMD__PSR_COPY_SETTINGS command. */ struct dmub_cmd_psr_copy_settings_data { /** * Flags that can be set by driver to change some PSR behaviour. */ union dmub_psr_debug_flags debug; /** * 16-bit value dicated by driver that will enable/disable different functionality. */ uint16_t psr_level; /** * DPP HW instance. */ uint8_t dpp_inst; /** * MPCC HW instance. * Not used in dmub fw, * dmub fw will get active opp by reading odm registers. */ uint8_t mpcc_inst; /** * OPP HW instance. * Not used in dmub fw, * dmub fw will get active opp by reading odm registers. */ uint8_t opp_inst; /** * OTG HW instance. */ uint8_t otg_inst; /** * DIG FE HW instance. */ uint8_t digfe_inst; /** * DIG BE HW instance. */ uint8_t digbe_inst; /** * DP PHY HW instance. */ uint8_t dpphy_inst; /** * AUX HW instance. */ uint8_t aux_inst; /** * Determines if SMU optimzations are enabled/disabled. */ uint8_t smu_optimizations_en; /** * Unused. * TODO: Remove. */ uint8_t frame_delay; /** * If RFB setup time is greater than the total VBLANK time, * it is not possible for the sink to capture the video frame * in the same frame the SDP is sent. In this case, * the frame capture indication bit should be set and an extra * static frame should be transmitted to the sink. */ uint8_t frame_cap_ind; /** * Granularity of Y offset supported by sink. */ uint8_t su_y_granularity; /** * Indicates whether sink should start capturing * immediately following active scan line, * or starting with the 2nd active scan line. */ uint8_t line_capture_indication; /** * Multi-display optimizations are implemented on certain ASICs. */ uint8_t multi_disp_optimizations_en; /** * The last possible line SDP may be transmitted without violating * the RFB setup time or entering the active video frame. */ uint16_t init_sdp_deadline; /** * @ rate_control_caps : Indicate FreeSync PSR Sink Capabilities */ uint8_t rate_control_caps ; /* * Force PSRSU always doing full frame update */ uint8_t force_ffu_mode; /** * Length of each horizontal line in us. */ uint32_t line_time_in_us; /** * FEC enable status in driver */ uint8_t fec_enable_status; /** * FEC re-enable delay when PSR exit. * unit is 100us, range form 0~255(0xFF). */ uint8_t fec_enable_delay_in100us; /** * PSR control version. */ uint8_t cmd_version; /** * Panel Instance. * Panel isntance to identify which psr_state to use * Currently the support is only for 0 or 1 */ uint8_t panel_inst; /* * DSC enable status in driver */ uint8_t dsc_enable_status; /* * Use FSM state for PSR power up/down */ uint8_t use_phy_fsm; /** * Explicit padding to 2 byte boundary. */ uint8_t pad3[2]; }; /** * Definition of a DMUB_CMD__PSR_COPY_SETTINGS command. */ struct dmub_rb_cmd_psr_copy_settings { /** * Command header. */ struct dmub_cmd_header header; /** * Data passed from driver to FW in a DMUB_CMD__PSR_COPY_SETTINGS command. */ struct dmub_cmd_psr_copy_settings_data psr_copy_settings_data; }; /** * Data passed from driver to FW in a DMUB_CMD__PSR_SET_LEVEL command. */ struct dmub_cmd_psr_set_level_data { /** * 16-bit value dicated by driver that will enable/disable different functionality. */ uint16_t psr_level; /** * PSR control version. */ uint8_t cmd_version; /** * Panel Instance. * Panel isntance to identify which psr_state to use * Currently the support is only for 0 or 1 */ uint8_t panel_inst; }; /** * Definition of a DMUB_CMD__PSR_SET_LEVEL command. */ struct dmub_rb_cmd_psr_set_level { /** * Command header. */ struct dmub_cmd_header header; /** * Definition of a DMUB_CMD__PSR_SET_LEVEL command. */ struct dmub_cmd_psr_set_level_data psr_set_level_data; }; struct dmub_rb_cmd_psr_enable_data { /** * PSR control version. */ uint8_t cmd_version; /** * Panel Instance. * Panel isntance to identify which psr_state to use * Currently the support is only for 0 or 1 */ uint8_t panel_inst; /** * Phy state to enter. * Values to use are defined in dmub_phy_fsm_state */ uint8_t phy_fsm_state; /** * Phy rate for DP - RBR/HBR/HBR2/HBR3. * Set this using enum phy_link_rate. * This does not support HDMI/DP2 for now. */ uint8_t phy_rate; }; /** * Definition of a DMUB_CMD__PSR_ENABLE command. * PSR enable/disable is controlled using the sub_type. */ struct dmub_rb_cmd_psr_enable { /** * Command header. */ struct dmub_cmd_header header; struct dmub_rb_cmd_psr_enable_data data; }; /** * Data passed from driver to FW in a DMUB_CMD__PSR_SET_VERSION command. */ struct dmub_cmd_psr_set_version_data { /** * PSR version that FW should implement. */ enum psr_version version; /** * PSR control version. */ uint8_t cmd_version; /** * Panel Instance. * Panel isntance to identify which psr_state to use * Currently the support is only for 0 or 1 */ uint8_t panel_inst; /** * Explicit padding to 4 byte boundary. */ uint8_t pad[2]; }; /** * Definition of a DMUB_CMD__PSR_SET_VERSION command. */ struct dmub_rb_cmd_psr_set_version { /** * Command header. */ struct dmub_cmd_header header; /** * Data passed from driver to FW in a DMUB_CMD__PSR_SET_VERSION command. */ struct dmub_cmd_psr_set_version_data psr_set_version_data; }; struct dmub_cmd_psr_force_static_data { /** * PSR control version. */ uint8_t cmd_version; /** * Panel Instance. * Panel isntance to identify which psr_state to use * Currently the support is only for 0 or 1 */ uint8_t panel_inst; /** * Explicit padding to 4 byte boundary. */ uint8_t pad[2]; }; /** * Definition of a DMUB_CMD__PSR_FORCE_STATIC command. */ struct dmub_rb_cmd_psr_force_static { /** * Command header. */ struct dmub_cmd_header header; /** * Data passed from driver to FW in a DMUB_CMD__PSR_FORCE_STATIC command. */ struct dmub_cmd_psr_force_static_data psr_force_static_data; }; /** * PSR SU debug flags. */ union dmub_psr_su_debug_flags { /** * PSR SU debug flags. */ struct { /** * Update dirty rect in SW only. */ uint8_t update_dirty_rect_only : 1; /** * Reset the cursor/plane state before processing the call. */ uint8_t reset_state : 1; } bitfields; /** * Union for debug flags. */ uint32_t u32All; }; /** * Data passed from driver to FW in a DMUB_CMD__UPDATE_DIRTY_RECT command. * This triggers a selective update for PSR SU. */ struct dmub_cmd_update_dirty_rect_data { /** * Dirty rects from OS. */ struct dmub_rect src_dirty_rects[DMUB_MAX_DIRTY_RECTS]; /** * PSR SU debug flags. */ union dmub_psr_su_debug_flags debug_flags; /** * OTG HW instance. */ uint8_t pipe_idx; /** * Number of dirty rects. */ uint8_t dirty_rect_count; /** * PSR control version. */ uint8_t cmd_version; /** * Panel Instance. * Panel isntance to identify which psr_state to use * Currently the support is only for 0 or 1 */ uint8_t panel_inst; }; /** * Definition of a DMUB_CMD__UPDATE_DIRTY_RECT command. */ struct dmub_rb_cmd_update_dirty_rect { /** * Command header. */ struct dmub_cmd_header header; /** * Data passed from driver to FW in a DMUB_CMD__UPDATE_DIRTY_RECT command. */ struct dmub_cmd_update_dirty_rect_data update_dirty_rect_data; }; /** * Data passed from driver to FW in a DMUB_CMD__UPDATE_CURSOR_INFO command. */ struct dmub_cmd_update_cursor_info_data { /** * Cursor dirty rects. */ struct dmub_rect cursor_rect; /** * PSR SU debug flags. */ union dmub_psr_su_debug_flags debug_flags; /** * Cursor enable/disable. */ uint8_t enable; /** * OTG HW instance. */ uint8_t pipe_idx; /** * PSR control version. */ uint8_t cmd_version; /** * Panel Instance. * Panel isntance to identify which psr_state to use * Currently the support is only for 0 or 1 */ uint8_t panel_inst; }; /** * Definition of a DMUB_CMD__UPDATE_CURSOR_INFO command. */ struct dmub_rb_cmd_update_cursor_info { /** * Command header. */ struct dmub_cmd_header header; /** * Data passed from driver to FW in a DMUB_CMD__UPDATE_CURSOR_INFO command. */ struct dmub_cmd_update_cursor_info_data update_cursor_info_data; }; /** * Data passed from driver to FW in a DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE command. */ struct dmub_cmd_psr_set_vtotal_data { /** * 16-bit value dicated by driver that indicates the vtotal in PSR active requirement when screen idle.. */ uint16_t psr_vtotal_idle; /** * PSR control version. */ uint8_t cmd_version; /** * Panel Instance. * Panel isntance to identify which psr_state to use * Currently the support is only for 0 or 1 */ uint8_t panel_inst; /* * 16-bit value dicated by driver that indicates the vtotal in PSR active requirement when doing SU/FFU. */ uint16_t psr_vtotal_su; /** * Explicit padding to 4 byte boundary. */ uint8_t pad2[2]; }; /** * Definition of a DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE command. */ struct dmub_rb_cmd_psr_set_vtotal { /** * Command header. */ struct dmub_cmd_header header; /** * Definition of a DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE command. */ struct dmub_cmd_psr_set_vtotal_data psr_set_vtotal_data; }; /** * Data passed from driver to FW in a DMUB_CMD__SET_PSR_POWER_OPT command. */ struct dmub_cmd_psr_set_power_opt_data { /** * PSR control version. */ uint8_t cmd_version; /** * Panel Instance. * Panel isntance to identify which psr_state to use * Currently the support is only for 0 or 1 */ uint8_t panel_inst; /** * Explicit padding to 4 byte boundary. */ uint8_t pad[2]; /** * PSR power option */ uint32_t power_opt; }; /** * Definition of a DMUB_CMD__SET_PSR_POWER_OPT command. */ struct dmub_rb_cmd_psr_set_power_opt { /** * Command header. */ struct dmub_cmd_header header; /** * Definition of a DMUB_CMD__SET_PSR_POWER_OPT command. */ struct dmub_cmd_psr_set_power_opt_data psr_set_power_opt_data; }; /** * Set of HW components that can be locked. * * Note: If updating with more HW components, fields * in dmub_inbox0_cmd_lock_hw must be updated to match. */ union dmub_hw_lock_flags { /** * Set of HW components that can be locked. */ struct { /** * Lock/unlock OTG master update lock. */ uint8_t lock_pipe : 1; /** * Lock/unlock cursor. */ uint8_t lock_cursor : 1; /** * Lock/unlock global update lock. */ uint8_t lock_dig : 1; /** * Triple buffer lock requires additional hw programming to usual OTG master lock. */ uint8_t triple_buffer_lock : 1; } bits; /** * Union for HW Lock flags. */ uint8_t u8All; }; /** * Instances of HW to be locked. * * Note: If updating with more HW components, fields * in dmub_inbox0_cmd_lock_hw must be updated to match. */ struct dmub_hw_lock_inst_flags { /** * OTG HW instance for OTG master update lock. */ uint8_t otg_inst; /** * OPP instance for cursor lock. */ uint8_t opp_inst; /** * OTG HW instance for global update lock. * TODO: Remove, and re-use otg_inst. */ uint8_t dig_inst; /** * Explicit pad to 4 byte boundary. */ uint8_t pad; }; /** * Clients that can acquire the HW Lock Manager. * * Note: If updating with more clients, fields in * dmub_inbox0_cmd_lock_hw must be updated to match. */ enum hw_lock_client { /** * Driver is the client of HW Lock Manager. */ HW_LOCK_CLIENT_DRIVER = 0, /** * PSR SU is the client of HW Lock Manager. */ HW_LOCK_CLIENT_PSR_SU = 1, /** * Invalid client. */ HW_LOCK_CLIENT_INVALID = 0xFFFFFFFF, }; /** * Data passed to HW Lock Mgr in a DMUB_CMD__HW_LOCK command. */ struct dmub_cmd_lock_hw_data { /** * Specifies the client accessing HW Lock Manager. */ enum hw_lock_client client; /** * HW instances to be locked. */ struct dmub_hw_lock_inst_flags inst_flags; /** * Which components to be locked. */ union dmub_hw_lock_flags hw_locks; /** * Specifies lock/unlock. */ uint8_t lock; /** * HW can be unlocked separately from releasing the HW Lock Mgr. * This flag is set if the client wishes to release the object. */ uint8_t should_release; /** * Explicit padding to 4 byte boundary. */ uint8_t pad; }; /** * Definition of a DMUB_CMD__HW_LOCK command. * Command is used by driver and FW. */ struct dmub_rb_cmd_lock_hw { /** * Command header. */ struct dmub_cmd_header header; /** * Data passed to HW Lock Mgr in a DMUB_CMD__HW_LOCK command. */ struct dmub_cmd_lock_hw_data lock_hw_data; }; /** * ABM command sub-types. */ enum dmub_cmd_abm_type { /** * Initialize parameters for ABM algorithm. * Data is passed through an indirect buffer. */ DMUB_CMD__ABM_INIT_CONFIG = 0, /** * Set OTG and panel HW instance. */ DMUB_CMD__ABM_SET_PIPE = 1, /** * Set user requested backklight level. */ DMUB_CMD__ABM_SET_BACKLIGHT = 2, /** * Set ABM operating/aggression level. */ DMUB_CMD__ABM_SET_LEVEL = 3, /** * Set ambient light level. */ DMUB_CMD__ABM_SET_AMBIENT_LEVEL = 4, /** * Enable/disable fractional duty cycle for backlight PWM. */ DMUB_CMD__ABM_SET_PWM_FRAC = 5, /** * unregister vertical interrupt after steady state is reached */ DMUB_CMD__ABM_PAUSE = 6, }; /** * Parameters for ABM2.4 algorithm. Passed from driver to FW via an indirect buffer. * Requirements: * - Padded explicitly to 32-bit boundary. * - Must ensure this structure matches the one on driver-side, * otherwise it won't be aligned. */ struct abm_config_table { /** * Gamma curve thresholds, used for crgb conversion. */ uint16_t crgb_thresh[NUM_POWER_FN_SEGS]; // 0B /** * Gamma curve offsets, used for crgb conversion. */ uint16_t crgb_offset[NUM_POWER_FN_SEGS]; // 16B /** * Gamma curve slopes, used for crgb conversion. */ uint16_t crgb_slope[NUM_POWER_FN_SEGS]; // 32B /** * Custom backlight curve thresholds. */ uint16_t backlight_thresholds[NUM_BL_CURVE_SEGS]; // 48B /** * Custom backlight curve offsets. */ uint16_t backlight_offsets[NUM_BL_CURVE_SEGS]; // 78B /** * Ambient light thresholds. */ uint16_t ambient_thresholds_lux[NUM_AMBI_LEVEL]; // 112B /** * Minimum programmable backlight. */ uint16_t min_abm_backlight; // 122B /** * Minimum reduction values. */ uint8_t min_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; // 124B /** * Maximum reduction values. */ uint8_t max_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; // 144B /** * Bright positive gain. */ uint8_t bright_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; // 164B /** * Dark negative gain. */ uint8_t dark_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; // 184B /** * Hybrid factor. */ uint8_t hybrid_factor[NUM_AGGR_LEVEL]; // 204B /** * Contrast factor. */ uint8_t contrast_factor[NUM_AGGR_LEVEL]; // 208B /** * Deviation gain. */ uint8_t deviation_gain[NUM_AGGR_LEVEL]; // 212B /** * Minimum knee. */ uint8_t min_knee[NUM_AGGR_LEVEL]; // 216B /** * Maximum knee. */ uint8_t max_knee[NUM_AGGR_LEVEL]; // 220B /** * Unused. */ uint8_t iir_curve[NUM_AMBI_LEVEL]; // 224B /** * Explicit padding to 4 byte boundary. */ uint8_t pad3[3]; // 229B /** * Backlight ramp reduction. */ uint16_t blRampReduction[NUM_AGGR_LEVEL]; // 232B /** * Backlight ramp start. */ uint16_t blRampStart[NUM_AGGR_LEVEL]; // 240B }; /** * Data passed from driver to FW in a DMUB_CMD__ABM_SET_PIPE command. */ struct dmub_cmd_abm_set_pipe_data { /** * OTG HW instance. */ uint8_t otg_inst; /** * Panel Control HW instance. */ uint8_t panel_inst; /** * Controls how ABM will interpret a set pipe or set level command. */ uint8_t set_pipe_option; /** * Unused. * TODO: Remove. */ uint8_t ramping_boundary; }; /** * Definition of a DMUB_CMD__ABM_SET_PIPE command. */ struct dmub_rb_cmd_abm_set_pipe { /** * Command header. */ struct dmub_cmd_header header; /** * Data passed from driver to FW in a DMUB_CMD__ABM_SET_PIPE command. */ struct dmub_cmd_abm_set_pipe_data abm_set_pipe_data; }; /** * Data passed from driver to FW in a DMUB_CMD__ABM_SET_BACKLIGHT command. */ struct dmub_cmd_abm_set_backlight_data { /** * Number of frames to ramp to backlight user level. */ uint32_t frame_ramp; /** * Requested backlight level from user. */ uint32_t backlight_user_level; /** * ABM control version. */ uint8_t version; /** * Panel Control HW instance mask. * Bit 0 is Panel Control HW instance 0. * Bit 1 is Panel Control HW instance 1. */ uint8_t panel_mask; /** * Explicit padding to 4 byte boundary. */ uint8_t pad[2]; }; /** * Definition of a DMUB_CMD__ABM_SET_BACKLIGHT command. */ struct dmub_rb_cmd_abm_set_backlight { /** * Command header. */ struct dmub_cmd_header header; /** * Data passed from driver to FW in a DMUB_CMD__ABM_SET_BACKLIGHT command. */ struct dmub_cmd_abm_set_backlight_data abm_set_backlight_data; }; /** * Data passed from driver to FW in a DMUB_CMD__ABM_SET_LEVEL command. */ struct dmub_cmd_abm_set_level_data { /** * Set current ABM operating/aggression level. */ uint32_t level; /** * ABM control version. */ uint8_t version; /** * Panel Control HW instance mask. * Bit 0 is Panel Control HW instance 0. * Bit 1 is Panel Control HW instance 1. */ uint8_t panel_mask; /** * Explicit padding to 4 byte boundary. */ uint8_t pad[2]; }; /** * Definition of a DMUB_CMD__ABM_SET_LEVEL command. */ struct dmub_rb_cmd_abm_set_level { /** * Command header. */ struct dmub_cmd_header header; /** * Data passed from driver to FW in a DMUB_CMD__ABM_SET_LEVEL command. */ struct dmub_cmd_abm_set_level_data abm_set_level_data; }; /** * Data passed from driver to FW in a DMUB_CMD__ABM_SET_AMBIENT_LEVEL command. */ struct dmub_cmd_abm_set_ambient_level_data { /** * Ambient light sensor reading from OS. */ uint32_t ambient_lux; /** * ABM control version. */ uint8_t version; /** * Panel Control HW instance mask. * Bit 0 is Panel Control HW instance 0. * Bit 1 is Panel Control HW instance 1. */ uint8_t panel_mask; /** * Explicit padding to 4 byte boundary. */ uint8_t pad[2]; }; /** * Definition of a DMUB_CMD__ABM_SET_AMBIENT_LEVEL command. */ struct dmub_rb_cmd_abm_set_ambient_level { /** * Command header. */ struct dmub_cmd_header header; /** * Data passed from driver to FW in a DMUB_CMD__ABM_SET_AMBIENT_LEVEL command. */ struct dmub_cmd_abm_set_ambient_level_data abm_set_ambient_level_data; }; /** * Data passed from driver to FW in a DMUB_CMD__ABM_SET_PWM_FRAC command. */ struct dmub_cmd_abm_set_pwm_frac_data { /** * Enable/disable fractional duty cycle for backlight PWM. * TODO: Convert to uint8_t. */ uint32_t fractional_pwm; /** * ABM control version. */ uint8_t version; /** * Panel Control HW instance mask. * Bit 0 is Panel Control HW instance 0. * Bit 1 is Panel Control HW instance 1. */ uint8_t panel_mask; /** * Explicit padding to 4 byte boundary. */ uint8_t pad[2]; }; /** * Definition of a DMUB_CMD__ABM_SET_PWM_FRAC command. */ struct dmub_rb_cmd_abm_set_pwm_frac { /** * Command header. */ struct dmub_cmd_header header; /** * Data passed from driver to FW in a DMUB_CMD__ABM_SET_PWM_FRAC command. */ struct dmub_cmd_abm_set_pwm_frac_data abm_set_pwm_frac_data; }; /** * Data passed from driver to FW in a DMUB_CMD__ABM_INIT_CONFIG command. */ struct dmub_cmd_abm_init_config_data { /** * Location of indirect buffer used to pass init data to ABM. */ union dmub_addr src; /** * Indirect buffer length. */ uint16_t bytes; /** * ABM control version. */ uint8_t version; /** * Panel Control HW instance mask. * Bit 0 is Panel Control HW instance 0. * Bit 1 is Panel Control HW instance 1. */ uint8_t panel_mask; /** * Explicit padding to 4 byte boundary. */ uint8_t pad[2]; }; /** * Definition of a DMUB_CMD__ABM_INIT_CONFIG command. */ struct dmub_rb_cmd_abm_init_config { /** * Command header. */ struct dmub_cmd_header header; /** * Data passed from driver to FW in a DMUB_CMD__ABM_INIT_CONFIG command. */ struct dmub_cmd_abm_init_config_data abm_init_config_data; }; /** * Data passed from driver to FW in a DMUB_CMD__ABM_PAUSE command. */ struct dmub_cmd_abm_pause_data { /** * Panel Control HW instance mask. * Bit 0 is Panel Control HW instance 0. * Bit 1 is Panel Control HW instance 1. */ uint8_t panel_mask; /** * OTG hw instance */ uint8_t otg_inst; /** * Enable or disable ABM pause */ uint8_t enable; /** * Explicit padding to 4 byte boundary. */ uint8_t pad[1]; }; /** * Definition of a DMUB_CMD__ABM_PAUSE command. */ struct dmub_rb_cmd_abm_pause { /** * Command header. */ struct dmub_cmd_header header; /** * Data passed from driver to FW in a DMUB_CMD__ABM_PAUSE command. */ struct dmub_cmd_abm_pause_data abm_pause_data; }; /** * Data passed from driver to FW in a DMUB_CMD__QUERY_FEATURE_CAPS command. */ struct dmub_cmd_query_feature_caps_data { /** * DMUB feature capabilities. * After DMUB init, driver will query FW capabilities prior to enabling certain features. */ struct dmub_feature_caps feature_caps; }; /** * Definition of a DMUB_CMD__QUERY_FEATURE_CAPS command. */ struct dmub_rb_cmd_query_feature_caps { /** * Command header. */ struct dmub_cmd_header header; /** * Data passed from driver to FW in a DMUB_CMD__QUERY_FEATURE_CAPS command. */ struct dmub_cmd_query_feature_caps_data query_feature_caps_data; }; struct dmub_optc_state { uint32_t v_total_max; uint32_t v_total_min; uint32_t v_total_mid; uint32_t v_total_mid_frame_num; uint32_t tg_inst; uint32_t enable_manual_trigger; uint32_t clear_force_vsync; }; struct dmub_rb_cmd_drr_update { struct dmub_cmd_header header; struct dmub_optc_state dmub_optc_state_req; }; struct dmub_cmd_fw_assisted_mclk_switch_pipe_data { uint32_t pix_clk_100hz; uint8_t max_ramp_step; uint8_t pipes; uint8_t min_refresh_in_hz; uint8_t padding[1]; }; struct dmub_cmd_fw_assisted_mclk_switch_config { uint8_t fams_enabled; uint8_t visual_confirm_enabled; uint8_t padding[2]; struct dmub_cmd_fw_assisted_mclk_switch_pipe_data pipe_data[DMUB_MAX_STREAMS]; }; struct dmub_rb_cmd_fw_assisted_mclk_switch { struct dmub_cmd_header header; struct dmub_cmd_fw_assisted_mclk_switch_config config_data; }; /** * enum dmub_cmd_panel_cntl_type - Panel control command. */ enum dmub_cmd_panel_cntl_type { /** * Initializes embedded panel hardware blocks. */ DMUB_CMD__PANEL_CNTL_HW_INIT = 0, /** * Queries backlight info for the embedded panel. */ DMUB_CMD__PANEL_CNTL_QUERY_BACKLIGHT_INFO = 1, }; /** * struct dmub_cmd_panel_cntl_data - Panel control data. */ struct dmub_cmd_panel_cntl_data { uint32_t inst; /**< panel instance */ uint32_t current_backlight; /* in/out */ uint32_t bl_pwm_cntl; /* in/out */ uint32_t bl_pwm_period_cntl; /* in/out */ uint32_t bl_pwm_ref_div1; /* in/out */ uint8_t is_backlight_on : 1; /* in/out */ uint8_t is_powered_on : 1; /* in/out */ uint8_t padding[3]; uint32_t bl_pwm_ref_div2; /* in/out */ uint8_t reserved[4]; }; /** * struct dmub_rb_cmd_panel_cntl - Panel control command. */ struct dmub_rb_cmd_panel_cntl { struct dmub_cmd_header header; /**< header */ struct dmub_cmd_panel_cntl_data data; /**< payload */ }; /** * Data passed from driver to FW in a DMUB_CMD__VBIOS_LVTMA_CONTROL command. */ struct dmub_cmd_lvtma_control_data { uint8_t uc_pwr_action; /**< LVTMA_ACTION */ uint8_t reserved_0[3]; /**< For future use */ uint8_t panel_inst; /**< LVTMA control instance */ uint8_t reserved_1[3]; /**< For future use */ }; /** * Definition of a DMUB_CMD__VBIOS_LVTMA_CONTROL command. */ struct dmub_rb_cmd_lvtma_control { /** * Command header. */ struct dmub_cmd_header header; /** * Data passed from driver to FW in a DMUB_CMD__VBIOS_LVTMA_CONTROL command. */ struct dmub_cmd_lvtma_control_data data; }; /** * Data passed in/out in a DMUB_CMD__VBIOS_TRANSMITTER_QUERY_DP_ALT command. */ struct dmub_rb_cmd_transmitter_query_dp_alt_data { uint8_t phy_id; /**< 0=UNIPHYA, 1=UNIPHYB, 2=UNIPHYC, 3=UNIPHYD, 4=UNIPHYE, 5=UNIPHYF */ uint8_t is_usb; /**< is phy is usb */ uint8_t is_dp_alt_disable; /**< is dp alt disable */ uint8_t is_dp4; /**< is dp in 4 lane */ }; /** * Definition of a DMUB_CMD__VBIOS_TRANSMITTER_QUERY_DP_ALT command. */ struct dmub_rb_cmd_transmitter_query_dp_alt { struct dmub_cmd_header header; /**< header */ struct dmub_rb_cmd_transmitter_query_dp_alt_data data; /**< payload */ }; /** * 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 cea_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 */ }; /** * struct dmub_cmd_cable_id_input - Defines the input of DMUB_CMD_GET_USBC_CABLE_ID command. */ struct dmub_cmd_cable_id_input { uint8_t phy_inst; /**< phy inst for cable id data */ }; /** * struct dmub_cmd_cable_id_input - Defines the output of DMUB_CMD_GET_USBC_CABLE_ID command. */ struct dmub_cmd_cable_id_output { uint8_t UHBR10_20_CAPABILITY :2; /**< b'01 for UHBR10 support, b'10 for both UHBR10 and UHBR20 support */ uint8_t UHBR13_5_CAPABILITY :1; /**< b'1 for UHBR13.5 support */ uint8_t CABLE_TYPE :3; /**< b'01 for passive cable, b'10 for active LRD cable, b'11 for active retimer cable */ uint8_t RESERVED :2; /**< reserved means not defined */ }; /** * Definition of a DMUB_CMD_GET_USBC_CABLE_ID command */ struct dmub_rb_cmd_get_usbc_cable_id { struct dmub_cmd_header header; /**< Command header */ /** * Data passed from driver to FW in a DMUB_CMD_GET_USBC_CABLE_ID command. */ union dmub_cmd_cable_id_data { struct dmub_cmd_cable_id_input input; /**< Input */ struct dmub_cmd_cable_id_output output; /**< Output */ uint8_t output_raw; /**< Raw data output */ } data; }; /** * union dmub_rb_cmd - DMUB inbox command. */ union dmub_rb_cmd { /** * Elements shared with all commands. */ struct dmub_rb_cmd_common cmd_common; /** * Definition of a DMUB_CMD__REG_SEQ_READ_MODIFY_WRITE command. */ struct dmub_rb_cmd_read_modify_write read_modify_write; /** * Definition of a DMUB_CMD__REG_SEQ_FIELD_UPDATE_SEQ command. */ struct dmub_rb_cmd_reg_field_update_sequence reg_field_update_seq; /** * Definition of a DMUB_CMD__REG_SEQ_BURST_WRITE command. */ struct dmub_rb_cmd_burst_write burst_write; /** * Definition of a DMUB_CMD__REG_REG_WAIT command. */ struct dmub_rb_cmd_reg_wait reg_wait; /** * Definition of a DMUB_CMD__VBIOS_DIGX_ENCODER_CONTROL command. */ struct dmub_rb_cmd_digx_encoder_control digx_encoder_control; /** * Definition of a DMUB_CMD__VBIOS_SET_PIXEL_CLOCK command. */ struct dmub_rb_cmd_set_pixel_clock set_pixel_clock; /** * Definition of a DMUB_CMD__VBIOS_ENABLE_DISP_POWER_GATING command. */ struct dmub_rb_cmd_enable_disp_power_gating enable_disp_power_gating; /** * Definition of a DMUB_CMD__VBIOS_DPPHY_INIT command. */ struct dmub_rb_cmd_dpphy_init dpphy_init; /** * Definition of a DMUB_CMD__VBIOS_DIG1_TRANSMITTER_CONTROL command. */ struct dmub_rb_cmd_dig1_transmitter_control dig1_transmitter_control; /** * Definition of a DMUB_CMD__PSR_SET_VERSION command. */ struct dmub_rb_cmd_psr_set_version psr_set_version; /** * Definition of a DMUB_CMD__PSR_COPY_SETTINGS command. */ struct dmub_rb_cmd_psr_copy_settings psr_copy_settings; /** * Definition of a DMUB_CMD__PSR_ENABLE command. */ struct dmub_rb_cmd_psr_enable psr_enable; /** * Definition of a DMUB_CMD__PSR_SET_LEVEL command. */ struct dmub_rb_cmd_psr_set_level psr_set_level; /** * Definition of a DMUB_CMD__PSR_FORCE_STATIC command. */ struct dmub_rb_cmd_psr_force_static psr_force_static; /** * Definition of a DMUB_CMD__UPDATE_DIRTY_RECT command. */ struct dmub_rb_cmd_update_dirty_rect update_dirty_rect; /** * Definition of a DMUB_CMD__UPDATE_CURSOR_INFO command. */ struct dmub_rb_cmd_update_cursor_info update_cursor_info; /** * Definition of a DMUB_CMD__HW_LOCK command. * Command is used by driver and FW. */ struct dmub_rb_cmd_lock_hw lock_hw; /** * Definition of a DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE command. */ struct dmub_rb_cmd_psr_set_vtotal psr_set_vtotal; /** * Definition of a DMUB_CMD__SET_PSR_POWER_OPT command. */ struct dmub_rb_cmd_psr_set_power_opt psr_set_power_opt; /** * Definition of a DMUB_CMD__PLAT_54186_WA command. */ struct dmub_rb_cmd_PLAT_54186_wa PLAT_54186_wa; /** * Definition of a DMUB_CMD__MALL command. */ struct dmub_rb_cmd_mall mall; /** * Definition of a DMUB_CMD__CAB command. */ struct dmub_rb_cmd_cab_for_ss cab; struct dmub_rb_cmd_fw_assisted_mclk_switch_v2 fw_assisted_mclk_switch_v2; /** * Definition of a DMUB_CMD__IDLE_OPT_DCN_RESTORE command. */ struct dmub_rb_cmd_idle_opt_dcn_restore dcn_restore; /** * Definition of a DMUB_CMD__CLK_MGR_NOTIFY_CLOCKS command. */ struct dmub_rb_cmd_clk_mgr_notify_clocks notify_clocks; /** * Definition of DMUB_CMD__PANEL_CNTL commands. */ struct dmub_rb_cmd_panel_cntl panel_cntl; /** * Definition of a DMUB_CMD__ABM_SET_PIPE command. */ struct dmub_rb_cmd_abm_set_pipe abm_set_pipe; /** * Definition of a DMUB_CMD__ABM_SET_BACKLIGHT command. */ struct dmub_rb_cmd_abm_set_backlight abm_set_backlight; /** * Definition of a DMUB_CMD__ABM_SET_LEVEL command. */ struct dmub_rb_cmd_abm_set_level abm_set_level; /** * Definition of a DMUB_CMD__ABM_SET_AMBIENT_LEVEL command. */ struct dmub_rb_cmd_abm_set_ambient_level abm_set_ambient_level; /** * Definition of a DMUB_CMD__ABM_SET_PWM_FRAC command. */ struct dmub_rb_cmd_abm_set_pwm_frac abm_set_pwm_frac; /** * Definition of a DMUB_CMD__ABM_INIT_CONFIG command. */ struct dmub_rb_cmd_abm_init_config abm_init_config; /** * Definition of a DMUB_CMD__ABM_PAUSE command. */ struct dmub_rb_cmd_abm_pause abm_pause; /** * Definition of a DMUB_CMD__DP_AUX_ACCESS command. */ struct dmub_rb_cmd_dp_aux_access dp_aux_access; /** * Definition of a DMUB_CMD__OUTBOX1_ENABLE command. */ struct dmub_rb_cmd_outbox1_enable outbox1_enable; /** * Definition of a DMUB_CMD__QUERY_FEATURE_CAPS command. */ struct dmub_rb_cmd_query_feature_caps query_feature_caps; struct dmub_rb_cmd_drr_update drr_update; struct dmub_rb_cmd_fw_assisted_mclk_switch fw_assisted_mclk_switch; /** * Definition of a DMUB_CMD__VBIOS_LVTMA_CONTROL command. */ struct dmub_rb_cmd_lvtma_control lvtma_control; /** * Definition of a DMUB_CMD__VBIOS_TRANSMITTER_QUERY_DP_ALT command. */ struct dmub_rb_cmd_transmitter_query_dp_alt query_dp_alt; /** * Definition of a DMUB_CMD__DPIA_DIG1_CONTROL command. */ struct dmub_rb_cmd_dig1_dpia_control dig1_dpia_control; /** * Definition of a DMUB_CMD__DPIA_SET_CONFIG_ACCESS command. */ struct dmub_rb_cmd_set_config_access set_config_access; /** * Definition of a DMUB_CMD__DPIA_MST_ALLOC_SLOTS command. */ struct dmub_rb_cmd_set_mst_alloc_slots set_mst_alloc_slots; /** * Definition of a DMUB_CMD__EDID_CEA command. */ struct dmub_rb_cmd_edid_cea edid_cea; /** * Definition of a DMUB_CMD_GET_USBC_CABLE_ID command. */ struct dmub_rb_cmd_get_usbc_cable_id cable_id; /** * Definition of a DMUB_CMD__QUERY_HPD_STATE command. */ struct dmub_rb_cmd_query_hpd_state query_hpd; }; /** * union dmub_rb_out_cmd - Outbox command */ union dmub_rb_out_cmd { /** * Parameters common to every command. */ struct dmub_rb_cmd_common cmd_common; /** * AUX reply command. */ struct dmub_rb_cmd_dp_aux_reply dp_aux_reply; /** * HPD notify command. */ struct dmub_rb_cmd_dp_hpd_notify dp_hpd_notify; /** * SET_CONFIG reply command. */ struct dmub_rb_cmd_dp_set_config_reply set_config_reply; }; #pragma pack(pop) //============================================================================== //</DMUB_CMD>=================================================================== //============================================================================== //< DMUB_RB>==================================================================== //============================================================================== #if defined(__cplusplus) extern "C" { #endif /** * struct dmub_rb_init_params - Initialization params for DMUB ringbuffer */ struct dmub_rb_init_params { void *ctx; /**< Caller provided context pointer */ void *base_address; /**< CPU base address for ring's data */ uint32_t capacity; /**< Ringbuffer capacity in bytes */ uint32_t read_ptr; /**< Initial read pointer for consumer in bytes */ uint32_t write_ptr; /**< Initial write pointer for producer in bytes */ }; /** * struct dmub_rb - Inbox or outbox DMUB ringbuffer */ struct dmub_rb { void *base_address; /**< CPU address for the ring's data */ uint32_t rptr; /**< Read pointer for consumer in bytes */ uint32_t wrpt; /**< Write pointer for producer in bytes */ uint32_t capacity; /**< Ringbuffer capacity in bytes */ void *ctx; /**< Caller provided context pointer */ void *dmub; /**< Pointer to the DMUB interface */ }; /** * @brief Checks if the ringbuffer is empty. * * @param rb DMUB Ringbuffer * @return true if empty * @return false otherwise */ static inline bool dmub_rb_empty(struct dmub_rb *rb) { return (rb->wrpt == rb->rptr); } /** * @brief Checks if the ringbuffer is full * * @param rb DMUB Ringbuffer * @return true if full * @return false otherwise */ static inline bool dmub_rb_full(struct dmub_rb *rb) { uint32_t data_count; if (rb->wrpt >= rb->rptr) data_count = rb->wrpt - rb->rptr; else data_count = rb->capacity - (rb->rptr - rb->wrpt); return (data_count == (rb->capacity - DMUB_RB_CMD_SIZE)); } /** * @brief Pushes a command into the ringbuffer * * @param rb DMUB ringbuffer * @param cmd The command to push * @return true if the ringbuffer was not full * @return false otherwise */ static inline bool dmub_rb_push_front(struct dmub_rb *rb, const union dmub_rb_cmd *cmd) { uint64_t volatile *dst = (uint64_t volatile *)((uint8_t *)(rb->base_address) + rb->wrpt); const uint64_t *src = (const uint64_t *)cmd; uint8_t i; if (dmub_rb_full(rb)) return false; // copying data for (i = 0; i < DMUB_RB_CMD_SIZE / sizeof(uint64_t); i++) *dst++ = *src++; rb->wrpt += DMUB_RB_CMD_SIZE; if (rb->wrpt >= rb->capacity) rb->wrpt %= rb->capacity; return true; } /** * @brief Pushes a command into the DMUB outbox ringbuffer * * @param rb DMUB outbox ringbuffer * @param cmd Outbox command * @return true if not full * @return false otherwise */ static inline bool dmub_rb_out_push_front(struct dmub_rb *rb, const union dmub_rb_out_cmd *cmd) { uint8_t *dst = (uint8_t *)(rb->base_address) + rb->wrpt; const uint8_t *src = (const uint8_t *)cmd; if (dmub_rb_full(rb)) return false; dmub_memcpy(dst, src, DMUB_RB_CMD_SIZE); rb->wrpt += DMUB_RB_CMD_SIZE; if (rb->wrpt >= rb->capacity) rb->wrpt %= rb->capacity; return true; } /** * @brief Returns the next unprocessed command in the ringbuffer. * * @param rb DMUB ringbuffer * @param cmd The command to return * @return true if not empty * @return false otherwise */ static inline bool dmub_rb_front(struct dmub_rb *rb, union dmub_rb_cmd **cmd) { uint8_t *rb_cmd = (uint8_t *)(rb->base_address) + rb->rptr; if (dmub_rb_empty(rb)) return false; *cmd = (union dmub_rb_cmd *)rb_cmd; return true; } /** * @brief Determines the next ringbuffer offset. * * @param rb DMUB inbox ringbuffer * @param num_cmds Number of commands * @param next_rptr The next offset in the ringbuffer */ static inline void dmub_rb_get_rptr_with_offset(struct dmub_rb *rb, uint32_t num_cmds, uint32_t *next_rptr) { *next_rptr = rb->rptr + DMUB_RB_CMD_SIZE * num_cmds; if (*next_rptr >= rb->capacity) *next_rptr %= rb->capacity; } /** * @brief Returns a pointer to a command in the inbox. * * @param rb DMUB inbox ringbuffer * @param cmd The inbox command to return * @param rptr The ringbuffer offset * @return true if not empty * @return false otherwise */ static inline bool dmub_rb_peek_offset(struct dmub_rb *rb, union dmub_rb_cmd **cmd, uint32_t rptr) { uint8_t *rb_cmd = (uint8_t *)(rb->base_address) + rptr; if (dmub_rb_empty(rb)) return false; *cmd = (union dmub_rb_cmd *)rb_cmd; return true; } /** * @brief Returns the next unprocessed command in the outbox. * * @param rb DMUB outbox ringbuffer * @param cmd The outbox command to return * @return true if not empty * @return false otherwise */ static inline bool dmub_rb_out_front(struct dmub_rb *rb, union dmub_rb_out_cmd *cmd) { const uint64_t volatile *src = (const uint64_t volatile *)((uint8_t *)(rb->base_address) + rb->rptr); uint64_t *dst = (uint64_t *)cmd; uint8_t i; if (dmub_rb_empty(rb)) return false; // copying data for (i = 0; i < DMUB_RB_CMD_SIZE / sizeof(uint64_t); i++) *dst++ = *src++; return true; } /** * @brief Removes the front entry in the ringbuffer. * * @param rb DMUB ringbuffer * @return true if the command was removed * @return false if there were no commands */ static inline bool dmub_rb_pop_front(struct dmub_rb *rb) { if (dmub_rb_empty(rb)) return false; rb->rptr += DMUB_RB_CMD_SIZE; if (rb->rptr >= rb->capacity) rb->rptr %= rb->capacity; return true; } /** * @brief Flushes commands in the ringbuffer to framebuffer memory. * * Avoids a race condition where DMCUB accesses memory while * there are still writes in flight to framebuffer. * * @param rb DMUB ringbuffer */ static inline void dmub_rb_flush_pending(const struct dmub_rb *rb) { uint32_t rptr = rb->rptr; uint32_t wptr = rb->wrpt; while (rptr != wptr) { uint64_t *data = (uint64_t *)((uint8_t *)(rb->base_address) + rptr); uint8_t i; /* Don't remove this. * The contents need to actually be read from the ring buffer * for this function to be effective. */ for (i = 0; i < DMUB_RB_CMD_SIZE / sizeof(uint64_t); i++) (void)READ_ONCE(*data++); rptr += DMUB_RB_CMD_SIZE; if (rptr >= rb->capacity) rptr %= rb->capacity; } } /** * @brief Initializes a DMCUB ringbuffer * * @param rb DMUB ringbuffer * @param init_params initial configuration for the ringbuffer */ static inline void dmub_rb_init(struct dmub_rb *rb, struct dmub_rb_init_params *init_params) { rb->base_address = init_params->base_address; rb->capacity = init_params->capacity; rb->rptr = init_params->read_ptr; rb->wrpt = init_params->write_ptr; } /** * @brief Copies output data from in/out commands into the given command. * * @param rb DMUB ringbuffer * @param cmd Command to copy data into */ static inline void dmub_rb_get_return_data(struct dmub_rb *rb, union dmub_rb_cmd *cmd) { // Copy rb entry back into command uint8_t *rd_ptr = (rb->rptr == 0) ? (uint8_t *)rb->base_address + rb->capacity - DMUB_RB_CMD_SIZE : (uint8_t *)rb->base_address + rb->rptr - DMUB_RB_CMD_SIZE; dmub_memcpy(cmd, rd_ptr, DMUB_RB_CMD_SIZE); } #if defined(__cplusplus) } #endif //============================================================================== //</DMUB_RB>==================================================================== //============================================================================== #endif /* _DMUB_CMD_H_ */
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