| /* |
| * Copyright 2017 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. |
| * |
| */ |
| |
| #ifndef _PSP_TEE_GFX_IF_H_ |
| #define _PSP_TEE_GFX_IF_H_ |
| |
| #define PSP_GFX_CMD_BUF_VERSION 0x00000001 |
| |
| #define GFX_CMD_STATUS_MASK 0x0000FFFF |
| #define GFX_CMD_ID_MASK 0x000F0000 |
| #define GFX_CMD_RESERVED_MASK 0x7FF00000 |
| #define GFX_CMD_RESPONSE_MASK 0x80000000 |
| |
| /* TEE Gfx Command IDs for the register interface. |
| * Command ID must be between 0x00010000 and 0x000F0000. |
| */ |
| enum psp_gfx_crtl_cmd_id |
| { |
| GFX_CTRL_CMD_ID_INIT_RBI_RING = 0x00010000, /* initialize RBI ring */ |
| GFX_CTRL_CMD_ID_INIT_GPCOM_RING = 0x00020000, /* initialize GPCOM ring */ |
| GFX_CTRL_CMD_ID_DESTROY_RINGS = 0x00030000, /* destroy rings */ |
| GFX_CTRL_CMD_ID_CAN_INIT_RINGS = 0x00040000, /* is it allowed to initialized the rings */ |
| |
| GFX_CTRL_CMD_ID_MAX = 0x000F0000, /* max command ID */ |
| }; |
| |
| |
| /* Control registers of the TEE Gfx interface. These are located in |
| * SRBM-to-PSP mailbox registers (total 8 registers). |
| */ |
| struct psp_gfx_ctrl |
| { |
| volatile uint32_t cmd_resp; /* +0 Command/Response register for Gfx commands */ |
| volatile uint32_t rbi_wptr; /* +4 Write pointer (index) of RBI ring */ |
| volatile uint32_t rbi_rptr; /* +8 Read pointer (index) of RBI ring */ |
| volatile uint32_t gpcom_wptr; /* +12 Write pointer (index) of GPCOM ring */ |
| volatile uint32_t gpcom_rptr; /* +16 Read pointer (index) of GPCOM ring */ |
| volatile uint32_t ring_addr_lo; /* +20 bits [31:0] of physical address of ring buffer */ |
| volatile uint32_t ring_addr_hi; /* +24 bits [63:32] of physical address of ring buffer */ |
| volatile uint32_t ring_buf_size; /* +28 Ring buffer size (in bytes) */ |
| |
| }; |
| |
| |
| /* Response flag is set in the command when command is completed by PSP. |
| * Used in the GFX_CTRL.CmdResp. |
| * When PSP GFX I/F is initialized, the flag is set. |
| */ |
| #define GFX_FLAG_RESPONSE 0x80000000 |
| |
| |
| /* TEE Gfx Command IDs for the ring buffer interface. */ |
| enum psp_gfx_cmd_id |
| { |
| GFX_CMD_ID_LOAD_TA = 0x00000001, /* load TA */ |
| GFX_CMD_ID_UNLOAD_TA = 0x00000002, /* unload TA */ |
| GFX_CMD_ID_INVOKE_CMD = 0x00000003, /* send command to TA */ |
| GFX_CMD_ID_LOAD_ASD = 0x00000004, /* load ASD Driver */ |
| GFX_CMD_ID_SETUP_TMR = 0x00000005, /* setup TMR region */ |
| GFX_CMD_ID_LOAD_IP_FW = 0x00000006, /* load HW IP FW */ |
| |
| }; |
| |
| |
| /* Command to load Trusted Application binary into PSP OS. */ |
| struct psp_gfx_cmd_load_ta |
| { |
| uint32_t app_phy_addr_lo; /* bits [31:0] of the physical address of the TA binary (must be 4 KB aligned) */ |
| uint32_t app_phy_addr_hi; /* bits [63:32] of the physical address of the TA binary */ |
| uint32_t app_len; /* length of the TA binary in bytes */ |
| uint32_t cmd_buf_phy_addr_lo; /* bits [31:0] of the physical address of CMD buffer (must be 4 KB aligned) */ |
| uint32_t cmd_buf_phy_addr_hi; /* bits [63:32] of the physical address of CMD buffer */ |
| uint32_t cmd_buf_len; /* length of the CMD buffer in bytes; must be multiple of 4 KB */ |
| |
| /* Note: CmdBufLen can be set to 0. In this case no persistent CMD buffer is provided |
| * for the TA. Each InvokeCommand can have dinamically mapped CMD buffer instead |
| * of using global persistent buffer. |
| */ |
| }; |
| |
| |
| /* Command to Unload Trusted Application binary from PSP OS. */ |
| struct psp_gfx_cmd_unload_ta |
| { |
| uint32_t session_id; /* Session ID of the loaded TA to be unloaded */ |
| |
| }; |
| |
| |
| /* Shared buffers for InvokeCommand. |
| */ |
| struct psp_gfx_buf_desc |
| { |
| uint32_t buf_phy_addr_lo; /* bits [31:0] of physical address of the buffer (must be 4 KB aligned) */ |
| uint32_t buf_phy_addr_hi; /* bits [63:32] of physical address of the buffer */ |
| uint32_t buf_size; /* buffer size in bytes (must be multiple of 4 KB and no bigger than 64 MB) */ |
| |
| }; |
| |
| /* Max number of descriptors for one shared buffer (in how many different |
| * physical locations one shared buffer can be stored). If buffer is too much |
| * fragmented, error will be returned. |
| */ |
| #define GFX_BUF_MAX_DESC 64 |
| |
| struct psp_gfx_buf_list |
| { |
| uint32_t num_desc; /* number of buffer descriptors in the list */ |
| uint32_t total_size; /* total size of all buffers in the list in bytes (must be multiple of 4 KB) */ |
| struct psp_gfx_buf_desc buf_desc[GFX_BUF_MAX_DESC]; /* list of buffer descriptors */ |
| |
| /* total 776 bytes */ |
| }; |
| |
| /* Command to execute InvokeCommand entry point of the TA. */ |
| struct psp_gfx_cmd_invoke_cmd |
| { |
| uint32_t session_id; /* Session ID of the TA to be executed */ |
| uint32_t ta_cmd_id; /* Command ID to be sent to TA */ |
| struct psp_gfx_buf_list buf; /* one indirect buffer (scatter/gather list) */ |
| |
| }; |
| |
| |
| /* Command to setup TMR region. */ |
| struct psp_gfx_cmd_setup_tmr |
| { |
| uint32_t buf_phy_addr_lo; /* bits [31:0] of physical address of TMR buffer (must be 4 KB aligned) */ |
| uint32_t buf_phy_addr_hi; /* bits [63:32] of physical address of TMR buffer */ |
| uint32_t buf_size; /* buffer size in bytes (must be multiple of 4 KB) */ |
| |
| }; |
| |
| |
| /* FW types for GFX_CMD_ID_LOAD_IP_FW command. Limit 31. */ |
| enum psp_gfx_fw_type |
| { |
| GFX_FW_TYPE_NONE = 0, |
| GFX_FW_TYPE_CP_ME = 1, |
| GFX_FW_TYPE_CP_PFP = 2, |
| GFX_FW_TYPE_CP_CE = 3, |
| GFX_FW_TYPE_CP_MEC = 4, |
| GFX_FW_TYPE_CP_MEC_ME1 = 5, |
| GFX_FW_TYPE_CP_MEC_ME2 = 6, |
| GFX_FW_TYPE_RLC_V = 7, |
| GFX_FW_TYPE_RLC_G = 8, |
| GFX_FW_TYPE_SDMA0 = 9, |
| GFX_FW_TYPE_SDMA1 = 10, |
| GFX_FW_TYPE_DMCU_ERAM = 11, |
| GFX_FW_TYPE_DMCU_ISR = 12, |
| GFX_FW_TYPE_VCN = 13, |
| GFX_FW_TYPE_UVD = 14, |
| GFX_FW_TYPE_VCE = 15, |
| GFX_FW_TYPE_ISP = 16, |
| GFX_FW_TYPE_ACP = 17, |
| GFX_FW_TYPE_SMU = 18, |
| }; |
| |
| /* Command to load HW IP FW. */ |
| struct psp_gfx_cmd_load_ip_fw |
| { |
| uint32_t fw_phy_addr_lo; /* bits [31:0] of physical address of FW location (must be 4 KB aligned) */ |
| uint32_t fw_phy_addr_hi; /* bits [63:32] of physical address of FW location */ |
| uint32_t fw_size; /* FW buffer size in bytes */ |
| enum psp_gfx_fw_type fw_type; /* FW type */ |
| |
| }; |
| |
| |
| /* All GFX ring buffer commands. */ |
| union psp_gfx_commands |
| { |
| struct psp_gfx_cmd_load_ta cmd_load_ta; |
| struct psp_gfx_cmd_unload_ta cmd_unload_ta; |
| struct psp_gfx_cmd_invoke_cmd cmd_invoke_cmd; |
| struct psp_gfx_cmd_setup_tmr cmd_setup_tmr; |
| struct psp_gfx_cmd_load_ip_fw cmd_load_ip_fw; |
| |
| }; |
| |
| |
| /* Structure of GFX Response buffer. |
| * For GPCOM I/F it is part of GFX_CMD_RESP buffer, for RBI |
| * it is separate buffer. |
| */ |
| struct psp_gfx_resp |
| { |
| uint32_t status; /* +0 status of command execution */ |
| uint32_t session_id; /* +4 session ID in response to LoadTa command */ |
| uint32_t fw_addr_lo; /* +8 bits [31:0] of FW address within TMR (in response to cmd_load_ip_fw command) */ |
| uint32_t fw_addr_hi; /* +12 bits [63:32] of FW address within TMR (in response to cmd_load_ip_fw command) */ |
| |
| uint32_t reserved[4]; |
| |
| /* total 32 bytes */ |
| }; |
| |
| /* Structure of Command buffer pointed by psp_gfx_rb_frame.cmd_buf_addr_hi |
| * and psp_gfx_rb_frame.cmd_buf_addr_lo. |
| */ |
| struct psp_gfx_cmd_resp |
| { |
| uint32_t buf_size; /* +0 total size of the buffer in bytes */ |
| uint32_t buf_version; /* +4 version of the buffer strusture; must be PSP_GFX_CMD_BUF_VERSION */ |
| uint32_t cmd_id; /* +8 command ID */ |
| |
| /* These fields are used for RBI only. They are all 0 in GPCOM commands |
| */ |
| uint32_t resp_buf_addr_lo; /* +12 bits [31:0] of physical address of response buffer (must be 4 KB aligned) */ |
| uint32_t resp_buf_addr_hi; /* +16 bits [63:32] of physical address of response buffer */ |
| uint32_t resp_offset; /* +20 offset within response buffer */ |
| uint32_t resp_buf_size; /* +24 total size of the response buffer in bytes */ |
| |
| union psp_gfx_commands cmd; /* +28 command specific structures */ |
| |
| uint8_t reserved_1[864 - sizeof(union psp_gfx_commands) - 28]; |
| |
| /* Note: Resp is part of this buffer for GPCOM ring. For RBI ring the response |
| * is separate buffer pointed by resp_buf_addr_hi and resp_buf_addr_lo. |
| */ |
| struct psp_gfx_resp resp; /* +864 response */ |
| |
| uint8_t reserved_2[1024 - 864 - sizeof(struct psp_gfx_resp)]; |
| |
| /* total size 1024 bytes */ |
| }; |
| |
| |
| #define FRAME_TYPE_DESTROY 1 /* frame sent by KMD driver when UMD Scheduler context is destroyed*/ |
| |
| /* Structure of the Ring Buffer Frame */ |
| struct psp_gfx_rb_frame |
| { |
| uint32_t cmd_buf_addr_lo; /* +0 bits [31:0] of physical address of command buffer (must be 4 KB aligned) */ |
| uint32_t cmd_buf_addr_hi; /* +4 bits [63:32] of physical address of command buffer */ |
| uint32_t cmd_buf_size; /* +8 command buffer size in bytes */ |
| uint32_t fence_addr_lo; /* +12 bits [31:0] of physical address of Fence for this frame */ |
| uint32_t fence_addr_hi; /* +16 bits [63:32] of physical address of Fence for this frame */ |
| uint32_t fence_value; /* +20 Fence value */ |
| uint32_t sid_lo; /* +24 bits [31:0] of SID value (used only for RBI frames) */ |
| uint32_t sid_hi; /* +28 bits [63:32] of SID value (used only for RBI frames) */ |
| uint8_t vmid; /* +32 VMID value used for mapping of all addresses for this frame */ |
| uint8_t frame_type; /* +33 1: destory context frame, 0: all other frames; used only for RBI frames */ |
| uint8_t reserved1[2]; /* +34 reserved, must be 0 */ |
| uint32_t reserved2[7]; /* +40 reserved, must be 0 */ |
| /* total 64 bytes */ |
| }; |
| |
| #endif /* _PSP_TEE_GFX_IF_H_ */ |
