2 * Copyright 2017 Advanced Micro Devices, Inc.
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24 #ifndef _PSP_TEE_GFX_IF_H_
25 #define _PSP_TEE_GFX_IF_H_
27 #define PSP_GFX_CMD_BUF_VERSION 0x00000001
29 #define GFX_CMD_STATUS_MASK 0x0000FFFF
30 #define GFX_CMD_ID_MASK 0x000F0000
31 #define GFX_CMD_RESERVED_MASK 0x7FF00000
32 #define GFX_CMD_RESPONSE_MASK 0x80000000
34 /* TEE Gfx Command IDs for the register interface.
35 * Command ID must be between 0x00010000 and 0x000F0000.
37 enum psp_gfx_crtl_cmd_id
39 GFX_CTRL_CMD_ID_INIT_RBI_RING = 0x00010000, /* initialize RBI ring */
40 GFX_CTRL_CMD_ID_INIT_GPCOM_RING = 0x00020000, /* initialize GPCOM ring */
41 GFX_CTRL_CMD_ID_DESTROY_RINGS = 0x00030000, /* destroy rings */
42 GFX_CTRL_CMD_ID_CAN_INIT_RINGS = 0x00040000, /* is it allowed to initialized the rings */
43 GFX_CTRL_CMD_ID_ENABLE_INT = 0x00050000, /* enable PSP-to-Gfx interrupt */
44 GFX_CTRL_CMD_ID_DISABLE_INT = 0x00060000, /* disable PSP-to-Gfx interrupt */
45 GFX_CTRL_CMD_ID_MODE1_RST = 0x00070000, /* trigger the Mode 1 reset */
46 GFX_CTRL_CMD_ID_GBR_IH_SET = 0x00080000, /* set Gbr IH_RB_CNTL registers */
47 GFX_CTRL_CMD_ID_CONSUME_CMD = 0x000A0000, /* send interrupt to psp for updating write pointer of vf */
48 GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING = 0x000C0000, /* destroy GPCOM ring */
50 GFX_CTRL_CMD_ID_MAX = 0x000F0000, /* max command ID */
54 /*-----------------------------------------------------------------------------
55 NOTE: All physical addresses used in this interface are actually
56 GPU Virtual Addresses.
60 /* Control registers of the TEE Gfx interface. These are located in
61 * SRBM-to-PSP mailbox registers (total 8 registers).
65 volatile uint32_t cmd_resp; /* +0 Command/Response register for Gfx commands */
66 volatile uint32_t rbi_wptr; /* +4 Write pointer (index) of RBI ring */
67 volatile uint32_t rbi_rptr; /* +8 Read pointer (index) of RBI ring */
68 volatile uint32_t gpcom_wptr; /* +12 Write pointer (index) of GPCOM ring */
69 volatile uint32_t gpcom_rptr; /* +16 Read pointer (index) of GPCOM ring */
70 volatile uint32_t ring_addr_lo; /* +20 bits [31:0] of GPU Virtual of ring buffer (VMID=0)*/
71 volatile uint32_t ring_addr_hi; /* +24 bits [63:32] of GPU Virtual of ring buffer (VMID=0) */
72 volatile uint32_t ring_buf_size; /* +28 Ring buffer size (in bytes) */
77 /* Response flag is set in the command when command is completed by PSP.
78 * Used in the GFX_CTRL.CmdResp.
79 * When PSP GFX I/F is initialized, the flag is set.
81 #define GFX_FLAG_RESPONSE 0x80000000
84 /* TEE Gfx Command IDs for the ring buffer interface. */
87 GFX_CMD_ID_LOAD_TA = 0x00000001, /* load TA */
88 GFX_CMD_ID_UNLOAD_TA = 0x00000002, /* unload TA */
89 GFX_CMD_ID_INVOKE_CMD = 0x00000003, /* send command to TA */
90 GFX_CMD_ID_LOAD_ASD = 0x00000004, /* load ASD Driver */
91 GFX_CMD_ID_SETUP_TMR = 0x00000005, /* setup TMR region */
92 GFX_CMD_ID_LOAD_IP_FW = 0x00000006, /* load HW IP FW */
93 GFX_CMD_ID_DESTROY_TMR = 0x00000007, /* destroy TMR region */
94 GFX_CMD_ID_SAVE_RESTORE = 0x00000008, /* save/restore HW IP FW */
95 GFX_CMD_ID_SETUP_VMR = 0x00000009, /* setup VMR region */
96 GFX_CMD_ID_DESTROY_VMR = 0x0000000A, /* destroy VMR region */
97 GFX_CMD_ID_PROG_REG = 0x0000000B, /* program regs */
101 /* Command to load Trusted Application binary into PSP OS. */
102 struct psp_gfx_cmd_load_ta
104 uint32_t app_phy_addr_lo; /* bits [31:0] of the GPU Virtual address of the TA binary (must be 4 KB aligned) */
105 uint32_t app_phy_addr_hi; /* bits [63:32] of the GPU Virtual address of the TA binary */
106 uint32_t app_len; /* length of the TA binary in bytes */
107 uint32_t cmd_buf_phy_addr_lo; /* bits [31:0] of the GPU Virtual address of CMD buffer (must be 4 KB aligned) */
108 uint32_t cmd_buf_phy_addr_hi; /* bits [63:32] of the GPU Virtual address of CMD buffer */
109 uint32_t cmd_buf_len; /* length of the CMD buffer in bytes; must be multiple of 4 KB */
111 /* Note: CmdBufLen can be set to 0. In this case no persistent CMD buffer is provided
112 * for the TA. Each InvokeCommand can have dinamically mapped CMD buffer instead
113 * of using global persistent buffer.
118 /* Command to Unload Trusted Application binary from PSP OS. */
119 struct psp_gfx_cmd_unload_ta
121 uint32_t session_id; /* Session ID of the loaded TA to be unloaded */
126 /* Shared buffers for InvokeCommand.
128 struct psp_gfx_buf_desc
130 uint32_t buf_phy_addr_lo; /* bits [31:0] of GPU Virtual address of the buffer (must be 4 KB aligned) */
131 uint32_t buf_phy_addr_hi; /* bits [63:32] of GPU Virtual address of the buffer */
132 uint32_t buf_size; /* buffer size in bytes (must be multiple of 4 KB and no bigger than 64 MB) */
136 /* Max number of descriptors for one shared buffer (in how many different
137 * physical locations one shared buffer can be stored). If buffer is too much
138 * fragmented, error will be returned.
140 #define GFX_BUF_MAX_DESC 64
142 struct psp_gfx_buf_list
144 uint32_t num_desc; /* number of buffer descriptors in the list */
145 uint32_t total_size; /* total size of all buffers in the list in bytes (must be multiple of 4 KB) */
146 struct psp_gfx_buf_desc buf_desc[GFX_BUF_MAX_DESC]; /* list of buffer descriptors */
148 /* total 776 bytes */
151 /* Command to execute InvokeCommand entry point of the TA. */
152 struct psp_gfx_cmd_invoke_cmd
154 uint32_t session_id; /* Session ID of the TA to be executed */
155 uint32_t ta_cmd_id; /* Command ID to be sent to TA */
156 struct psp_gfx_buf_list buf; /* one indirect buffer (scatter/gather list) */
161 /* Command to setup TMR region. */
162 struct psp_gfx_cmd_setup_tmr
164 uint32_t buf_phy_addr_lo; /* bits [31:0] of GPU Virtual address of TMR buffer (must be 4 KB aligned) */
165 uint32_t buf_phy_addr_hi; /* bits [63:32] of GPU Virtual address of TMR buffer */
166 uint32_t buf_size; /* buffer size in bytes (must be multiple of 4 KB) */
171 /* FW types for GFX_CMD_ID_LOAD_IP_FW command. Limit 31. */
174 GFX_FW_TYPE_NONE = 0,
175 GFX_FW_TYPE_CP_ME = 1,
176 GFX_FW_TYPE_CP_PFP = 2,
177 GFX_FW_TYPE_CP_CE = 3,
178 GFX_FW_TYPE_CP_MEC = 4,
179 GFX_FW_TYPE_CP_MEC_ME1 = 5,
180 GFX_FW_TYPE_CP_MEC_ME2 = 6,
181 GFX_FW_TYPE_RLC_V = 7,
182 GFX_FW_TYPE_RLC_G = 8,
183 GFX_FW_TYPE_SDMA0 = 9,
184 GFX_FW_TYPE_SDMA1 = 10,
185 GFX_FW_TYPE_DMCU_ERAM = 11,
186 GFX_FW_TYPE_DMCU_ISR = 12,
187 GFX_FW_TYPE_VCN = 13,
188 GFX_FW_TYPE_UVD = 14,
189 GFX_FW_TYPE_VCE = 15,
190 GFX_FW_TYPE_ISP = 16,
191 GFX_FW_TYPE_ACP = 17,
192 GFX_FW_TYPE_SMU = 18,
193 GFX_FW_TYPE_MMSCH = 19,
194 GFX_FW_TYPE_RLC_RESTORE_LIST_GPM_MEM = 20,
195 GFX_FW_TYPE_RLC_RESTORE_LIST_SRM_MEM = 21,
196 GFX_FW_TYPE_RLC_RESTORE_LIST_SRM_CNTL = 22,
197 GFX_FW_TYPE_UVD1 = 23,
201 /* Command to load HW IP FW. */
202 struct psp_gfx_cmd_load_ip_fw
204 uint32_t fw_phy_addr_lo; /* bits [31:0] of GPU Virtual address of FW location (must be 4 KB aligned) */
205 uint32_t fw_phy_addr_hi; /* bits [63:32] of GPU Virtual address of FW location */
206 uint32_t fw_size; /* FW buffer size in bytes */
207 enum psp_gfx_fw_type fw_type; /* FW type */
211 /* Command to save/restore HW IP FW. */
212 struct psp_gfx_cmd_save_restore_ip_fw
214 uint32_t save_fw; /* if set, command is used for saving fw otherwise for resetoring*/
215 uint32_t save_restore_addr_lo; /* bits [31:0] of FB address of GART memory used as save/restore buffer (must be 4 KB aligned) */
216 uint32_t save_restore_addr_hi; /* bits [63:32] of FB address of GART memory used as save/restore buffer */
217 uint32_t buf_size; /* Size of the save/restore buffer in bytes */
218 enum psp_gfx_fw_type fw_type; /* FW type */
221 /* Command to setup register program */
222 struct psp_gfx_cmd_reg_prog {
227 /* All GFX ring buffer commands. */
228 union psp_gfx_commands
230 struct psp_gfx_cmd_load_ta cmd_load_ta;
231 struct psp_gfx_cmd_unload_ta cmd_unload_ta;
232 struct psp_gfx_cmd_invoke_cmd cmd_invoke_cmd;
233 struct psp_gfx_cmd_setup_tmr cmd_setup_tmr;
234 struct psp_gfx_cmd_load_ip_fw cmd_load_ip_fw;
235 struct psp_gfx_cmd_save_restore_ip_fw cmd_save_restore_ip_fw;
236 struct psp_gfx_cmd_reg_prog cmd_setup_reg_prog;
240 /* Structure of GFX Response buffer.
241 * For GPCOM I/F it is part of GFX_CMD_RESP buffer, for RBI
242 * it is separate buffer.
246 uint32_t status; /* +0 status of command execution */
247 uint32_t session_id; /* +4 session ID in response to LoadTa command */
248 uint32_t fw_addr_lo; /* +8 bits [31:0] of FW address within TMR (in response to cmd_load_ip_fw command) */
249 uint32_t fw_addr_hi; /* +12 bits [63:32] of FW address within TMR (in response to cmd_load_ip_fw command) */
251 uint32_t reserved[4];
256 /* Structure of Command buffer pointed by psp_gfx_rb_frame.cmd_buf_addr_hi
257 * and psp_gfx_rb_frame.cmd_buf_addr_lo.
259 struct psp_gfx_cmd_resp
261 uint32_t buf_size; /* +0 total size of the buffer in bytes */
262 uint32_t buf_version; /* +4 version of the buffer strusture; must be PSP_GFX_CMD_BUF_VERSION */
263 uint32_t cmd_id; /* +8 command ID */
265 /* These fields are used for RBI only. They are all 0 in GPCOM commands
267 uint32_t resp_buf_addr_lo; /* +12 bits [31:0] of GPU Virtual address of response buffer (must be 4 KB aligned) */
268 uint32_t resp_buf_addr_hi; /* +16 bits [63:32] of GPU Virtual address of response buffer */
269 uint32_t resp_offset; /* +20 offset within response buffer */
270 uint32_t resp_buf_size; /* +24 total size of the response buffer in bytes */
272 union psp_gfx_commands cmd; /* +28 command specific structures */
274 uint8_t reserved_1[864 - sizeof(union psp_gfx_commands) - 28];
276 /* Note: Resp is part of this buffer for GPCOM ring. For RBI ring the response
277 * is separate buffer pointed by resp_buf_addr_hi and resp_buf_addr_lo.
279 struct psp_gfx_resp resp; /* +864 response */
281 uint8_t reserved_2[1024 - 864 - sizeof(struct psp_gfx_resp)];
283 /* total size 1024 bytes */
287 #define FRAME_TYPE_DESTROY 1 /* frame sent by KMD driver when UMD Scheduler context is destroyed*/
289 /* Structure of the Ring Buffer Frame */
290 struct psp_gfx_rb_frame
292 uint32_t cmd_buf_addr_lo; /* +0 bits [31:0] of GPU Virtual address of command buffer (must be 4 KB aligned) */
293 uint32_t cmd_buf_addr_hi; /* +4 bits [63:32] of GPU Virtual address of command buffer */
294 uint32_t cmd_buf_size; /* +8 command buffer size in bytes */
295 uint32_t fence_addr_lo; /* +12 bits [31:0] of GPU Virtual address of Fence for this frame */
296 uint32_t fence_addr_hi; /* +16 bits [63:32] of GPU Virtual address of Fence for this frame */
297 uint32_t fence_value; /* +20 Fence value */
298 uint32_t sid_lo; /* +24 bits [31:0] of SID value (used only for RBI frames) */
299 uint32_t sid_hi; /* +28 bits [63:32] of SID value (used only for RBI frames) */
300 uint8_t vmid; /* +32 VMID value used for mapping of all addresses for this frame */
301 uint8_t frame_type; /* +33 1: destory context frame, 0: all other frames; used only for RBI frames */
302 uint8_t reserved1[2]; /* +34 reserved, must be 0 */
303 uint32_t reserved2[7]; /* +36 reserved, must be 0 */
307 #endif /* _PSP_TEE_GFX_IF_H_ */