drm/amdgpu: add VPE firmware interface

Add initial firmware interface. (Ray)
Add more opcodes and rename to vpe_v6_1. (Lang)

v2: Update copyright date (Alex)
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Lang Yu <Lang.Yu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/vpe_6_1_fw_if.h

+/* Copyright 2023 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 __VPE_6_1_FW_IF_H_
+#define __VPE_6_1_FW_IF_H_
+
+/****************
+ * VPE OP Codes
+ ****************/
+enum VPE_CMD_OPCODE {
+    VPE_CMD_OPCODE_NOP          = 0x0,
+    VPE_CMD_OPCODE_VPE_DESC     = 0x1,
+    VPE_CMD_OPCODE_PLANE_CFG    = 0x2,
+    VPE_CMD_OPCODE_VPEP_CFG     = 0x3,
+    VPE_CMD_OPCODE_INDIRECT     = 0x4,
+    VPE_CMD_OPCODE_FENCE        = 0x5,
+    VPE_CMD_OPCODE_TRAP         = 0x6,
+    VPE_CMD_OPCODE_REG_WRITE    = 0x7,
+    VPE_CMD_OPCODE_POLL_REGMEM  = 0x8,
+    VPE_CMD_OPCODE_COND_EXE     = 0x9,
+    VPE_CMD_OPCODE_ATOMIC       = 0xA,
+    VPE_CMD_OPCODE_PLANE_FILL   = 0xB,
+    VPE_CMD_OPCODE_TIMESTAMP    = 0xD
+};
+
+/** Generic Command Header
+ * Generic Commands include:
+ *  Noop, Fence, Trap,
+ *  RegisterWrite, PollRegisterWriteMemory,
+ *  SetLocalTimestamp, GetLocalTimestamp
+ *  GetGlobalGPUTimestamp */
+#define VPE_HEADER_SUB_OPCODE__SHIFT    8
+#define VPE_HEADER_SUB_OPCODE_MASK      0x0000FF00
+#define VPE_HEADER_OPCODE__SHIFT        0
+#define VPE_HEADER_OPCODE_MASK          0x000000FF
+
+#define VPE_CMD_HEADER(op, subop) \
+    (((subop << VPE_HEADER_SUB_OPCODE__SHIFT) & VPE_HEADER_SUB_OPCODE_MASK) | \
+     ((op << VPE_HEADER_OPCODE__SHIFT) & VPE_HEADER_OPCODE_MASK))
+
+
+ /***************************
+  * VPE NOP
+  ***************************/
+#define VPE_CMD_NOP_HEADER_COUNT__SHIFT    16
+#define VPE_CMD_NOP_HEADER_COUNT_MASK      0x00003FFF
+
+#define VPE_CMD_NOP_HEADER_COUNT(count) \
+     (((count) & VPE_CMD_NOP_HEADER_COUNT_MASK) << VPE_CMD_NOP_HEADER_COUNT__SHIFT)
+
+ /***************************
+  * VPE Descriptor
+  ***************************/
+#define VPE_DESC_CD__SHIFT          16
+#define VPE_DESC_CD_MASK            0x000F0000
+
+#define VPE_DESC_CMD_HEADER(cd) \
+    (VPE_CMD_HEADER(VPE_CMD_OPCODE_VPE_DESC, 0) | \
+     (((cd) << VPE_DESC_CD__SHIFT) & VPE_DESC_CD_MASK))
+
+ /***************************
+  * VPE Plane Config
+  ***************************/
+enum VPE_PLANE_CFG_SUBOP {
+    VPE_PLANE_CFG_SUBOP_1_TO_1 = 0x0,
+    VPE_PLANE_CFG_SUBOP_2_TO_1 = 0x1,
+    VPE_PLANE_CFG_SUBOP_2_TO_2 = 0x2
+};
+
+#define VPE_PLANE_CFG_ONE_PLANE     0
+#define VPE_PLANE_CFG_TWO_PLANES    1
+
+#define VPE_PLANE_CFG_NPS0__SHIFT   16
+#define VPE_PLANE_CFG_NPS0_MASK     0x00030000
+
+#define VPE_PLANE_CFG_NPD0__SHIFT   18
+#define VPE_PLANE_CFG_NPD0_MASK     0x000C0000
+
+#define VPE_PLANE_CFG_NPS1__SHIFT   20
+#define VPE_PLANE_CFG_NPS1_MASK     0x00300000
+
+#define VPE_PLANE_CFG_NPD1__SHIFT   22
+#define VPE_PLANE_CFG_NPD1_MASK     0x00C00000
+
+#define VPE_PLANE_CFG_TMZ__SHIFT    16
+#define VPE_PLANE_CFG_TMZ_MASK      0x00010000
+
+#define VPE_PLANE_CFG_SWIZZLE_MODE__SHIFT   3
+#define VPE_PLANE_CFG_SWIZZLE_MODE_MASK     0x000000F8
+
+#define VPE_PLANE_CFG_ROTATION__SHIFT       0
+#define VPE_PLANE_CFG_ROTATION_MASK         0x00000003
+
+#define VPE_PLANE_ADDR_LO__SHIFT        0
+#define VPE_PLANE_ADDR_LO_MASK          0xFFFFFF00
+
+#define VPE_PLANE_CFG_PITCH__SHIFT      0
+#define VPE_PLANE_CFG_PITCH_MASK        0x00003FFF
+
+#define VPE_PLANE_CFG_VIEWPORT_Y__SHIFT 16
+#define VPE_PLANE_CFG_VIEWPORT_Y_MASK   0x3FFF0000
+#define VPE_PLANE_CFG_VIEWPORT_X__SHIFT 0
+#define VPE_PLANE_CFG_VIEWPORT_X_MASK   0x00003FFF
+
+
+#define VPE_PLANE_CFG_VIEWPORT_HEIGHT__SHIFT 16
+#define VPE_PLANE_CFG_VIEWPORT_HEIGHT_MASK   0x1FFF0000
+#define VPE_PLANE_CFG_VIEWPORT_ELEMENT_SIZE__SHIFT  13
+#define VPE_PLANE_CFG_VIEWPORT_ELEMENT_SIZE_MASK    0x0000E000
+#define VPE_PLANE_CFG_VIEWPORT_WIDTH__SHIFT 0
+#define VPE_PLANE_CFG_VIEWPORT_WIDTH_MASK   0x00001FFF
+
+enum VPE_PLANE_CFG_ELEMENT_SIZE {
+    VPE_PLANE_CFG_ELEMENT_SIZE_8BPE     = 0,
+    VPE_PLANE_CFG_ELEMENT_SIZE_16BPE    = 1,
+    VPE_PLANE_CFG_ELEMENT_SIZE_32BPE    = 2,
+    VPE_PLANE_CFG_ELEMENT_SIZE_64BPE    = 3
+};
+
+#define VPE_PLANE_CFG_CMD_HEADER(subop, nps0, npd0, nps1, npd1) \
+    (VPE_CMD_HEADER(VPE_CMD_OPCODE_PLANE_CFG, subop) | \
+     (((nps0) << VPE_PLANE_CFG_NPS0__SHIFT) & VPE_PLANE_CFG_NPS0_MASK) | \
+     (((npd0) << VPE_PLANE_CFG_NPD0__SHIFT) & VPE_PLANE_CFG_NPD0_MASK) | \
+     (((nps1) << VPE_PLANE_CFG_NPS1__SHIFT) & VPE_PLANE_CFG_NPS1_MASK) | \
+     (((npd0) << VPE_PLANE_CFG_NPD1__SHIFT) & VPE_PLANE_CFG_NPD1_MASK))
+
+
+/************************
+ * VPEP Config
+ ************************/
+enum VPE_VPEP_CFG_SUBOP {
+    VPE_VPEP_CFG_SUBOP_DIR_CFG = 0x0,
+    VPE_VPEP_CFG_SUBOP_IND_CFG = 0x1
+};
+
+
+// Direct Config Command Header
+#define VPE_DIR_CFG_HEADER_ARRAY_SIZE__SHIFT    16
+#define VPE_DIR_CFG_HEADER_ARRAY_SIZE_MASK      0xFFFF0000
+
+#define VPE_DIR_CFG_CMD_HEADER(subop, arr_sz) \
+    (VPE_CMD_HEADER(VPE_CMD_OPCODE_VPEP_CFG, subop) | \
+     (((arr_sz) << VPE_DIR_CFG_HEADER_ARRAY_SIZE__SHIFT) & VPE_DIR_CFG_HEADER_ARRAY_SIZE_MASK))
+
+
+#define VPE_DIR_CFG_PKT_REGISTER_OFFSET__SHIFT  2
+#define VPE_DIR_CFG_PKT_REGISTER_OFFSET_MASK    0x000FFFFC
+
+#define VPE_DIR_CFG_PKT_DATA_SIZE__SHIFT        20
+#define VPE_DIR_CFG_PKT_DATA_SIZE_MASK          0xFFF00000
+
+
+// InDirect Config Command Header
+#define VPE_IND_CFG_HEADER_NUM_DST__SHIFT   28
+#define VPE_IND_CFG_HEADER_NUM_DST_MASK     0xF0000000
+
+#define VPE_IND_CFG_CMD_HEADER(subop, num_dst) \
+    (VPE_CMD_HEADER(VPE_CMD_OPCODE_VPEP_CFG, subop) | \
+     (((num_dst) << VPE_IND_CFG_HEADER_NUM_DST__SHIFT) & VPE_IND_CFG_HEADER_NUM_DST_MASK))
+
+// Indirect Buffer Command Header
+#define VPE_CMD_INDIRECT_HEADER_VMID__SHIFT   16
+#define VPE_CMD_INDIRECT_HEADER_VMID_MASK     0x0000000F
+#define VPE_CMD_INDIRECT_HEADER_VMID(vmid) \
+     (((vmid) & VPE_CMD_INDIRECT_HEADER_VMID_MASK) << VPE_CMD_INDIRECT_HEADER_VMID__SHIFT)
+
+
+/**************************
+ * Poll Reg/Mem Sub-OpCode
+ **************************/
+enum VPE_POLL_REGMEM_SUBOP {
+    VPE_POLL_REGMEM_SUBOP_REGMEM = 0x0,
+    VPE_POLL_REGMEM_SUBOP_REGMEM_WRITE = 0x1
+};
+
+#define VPE_CMD_POLL_REGMEM_HEADER_FUNC__SHIFT   28
+#define VPE_CMD_POLL_REGMEM_HEADER_FUNC_MASK     0x00000007
+#define VPE_CMD_POLL_REGMEM_HEADER_FUNC(func) \
+     (((func) & VPE_CMD_POLL_REGMEM_HEADER_FUNC_MASK) << VPE_CMD_POLL_REGMEM_HEADER_FUNC__SHIFT)
+
+#define VPE_CMD_POLL_REGMEM_HEADER_MEM__SHIFT   31
+#define VPE_CMD_POLL_REGMEM_HEADER_MEM_MASK     0x00000001
+#define VPE_CMD_POLL_REGMEM_HEADER_MEM(mem) \
+     (((mem) & VPE_CMD_POLL_REGMEM_HEADER_MEM_MASK) << VPE_CMD_POLL_REGMEM_HEADER_MEM__SHIFT)
+
+#define VPE_CMD_POLL_REGMEM_DW5_INTERVAL__SHIFT   0
+#define VPE_CMD_POLL_REGMEM_DW5_INTERVAL_MASK     0x0000FFFF
+#define VPE_CMD_POLL_REGMEM_DW5_INTERVAL(interval) \
+     (((interval) & VPE_CMD_POLL_REGMEM_DW5_INTERVAL_MASK) << VPE_CMD_POLL_REGMEM_DW5_INTERVAL__SHIFT)
+
+#define VPE_CMD_POLL_REGMEM_DW5_RETRY_COUNT__SHIFT   16
+#define VPE_CMD_POLL_REGMEM_DW5_RETRY_COUNT_MASK     0x00000FFF
+#define VPE_CMD_POLL_REGMEM_DW5_RETRY_COUNT(count) \
+     (((count) & VPE_CMD_POLL_REGMEM_DW5_RETRY_COUNT_MASK) << VPE_CMD_POLL_REGMEM_DW5_RETRY_COUNT__SHIFT)
+
+#endif