xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.h (revision 1ac731c529cd4d6adbce134754b51ff7d822b145)
13d093da0STao Zhou /*
23d093da0STao Zhou  * Copyright (C) 2019  Advanced Micro Devices, Inc.
33d093da0STao Zhou  *
43d093da0STao Zhou  * Permission is hereby granted, free of charge, to any person obtaining a
53d093da0STao Zhou  * copy of this software and associated documentation files (the "Software"),
63d093da0STao Zhou  * to deal in the Software without restriction, including without limitation
73d093da0STao Zhou  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
83d093da0STao Zhou  * and/or sell copies of the Software, and to permit persons to whom the
93d093da0STao Zhou  * Software is furnished to do so, subject to the following conditions:
103d093da0STao Zhou  *
113d093da0STao Zhou  * The above copyright notice and this permission notice shall be included
123d093da0STao Zhou  * in all copies or substantial portions of the Software.
133d093da0STao Zhou  *
143d093da0STao Zhou  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
153d093da0STao Zhou  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
163d093da0STao Zhou  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
173d093da0STao Zhou  * THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
183d093da0STao Zhou  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
193d093da0STao Zhou  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
203d093da0STao Zhou  */
213d093da0STao Zhou #ifndef __AMDGPU_MMHUB_H__
223d093da0STao Zhou #define __AMDGPU_MMHUB_H__
233d093da0STao Zhou 
245e67bba3Syipechai enum amdgpu_mmhub_ras_memory_id {
255e67bba3Syipechai 	AMDGPU_MMHUB_WGMI_PAGEMEM = 0,
268bc7b360SHawking Zhang 	AMDGPU_MMHUB_RGMI_PAGEMEM = 1,
278bc7b360SHawking Zhang 	AMDGPU_MMHUB_WDRAM_PAGEMEM = 2,
288bc7b360SHawking Zhang 	AMDGPU_MMHUB_RDRAM_PAGEMEM = 3,
299fb1506eSOak Zeng 	AMDGPU_MMHUB_WIO_CMDMEM = 4,
3098a0f868STianci.Yin 	AMDGPU_MMHUB_RIO_CMDMEM = 5,
319fb1506eSOak Zeng 	AMDGPU_MMHUB_WGMI_CMDMEM = 6,
329fb1506eSOak Zeng 	AMDGPU_MMHUB_RGMI_CMDMEM = 7,
339fb1506eSOak Zeng 	AMDGPU_MMHUB_WDRAM_CMDMEM = 8,
349fb1506eSOak Zeng 	AMDGPU_MMHUB_RDRAM_CMDMEM = 9,
359fb1506eSOak Zeng 	AMDGPU_MMHUB_MAM_DMEM0 = 10,
369fb1506eSOak Zeng 	AMDGPU_MMHUB_MAM_DMEM1 = 11,
379fb1506eSOak Zeng 	AMDGPU_MMHUB_MAM_DMEM2 = 12,
3825faeddcSEvan Quan 	AMDGPU_MMHUB_MAM_DMEM3 = 13,
399fb1506eSOak Zeng 	AMDGPU_MMHUB_WRET_TAGMEM = 19,
409fb1506eSOak Zeng 	AMDGPU_MMHUB_RRET_TAGMEM = 20,
419fb1506eSOak Zeng 	AMDGPU_MMHUB_WIO_DATAMEM = 21,
429fb1506eSOak Zeng 	AMDGPU_MMHUB_WGMI_DATAMEM = 22,
433d093da0STao Zhou 	AMDGPU_MMHUB_WDRAM_DATAMEM = 23,
443d093da0STao Zhou 	AMDGPU_MMHUB_MEMORY_BLOCK_LAST,
45d3a5a121STao Zhou };
46d3a5a121STao Zhou 
47d3a5a121STao Zhou struct amdgpu_mmhub_ras {
485e67bba3Syipechai 	struct amdgpu_ras_block_object ras_block;
49d3a5a121STao Zhou };
50d3a5a121STao Zhou 
51*fec70a86SHawking Zhang struct amdgpu_mmhub_funcs {
52*fec70a86SHawking Zhang 	u64 (*get_fb_location)(struct amdgpu_device *adev);
533d093da0STao Zhou 	u64 (*get_mc_fb_offset)(struct amdgpu_device *adev);
543d093da0STao Zhou 	void (*init)(struct amdgpu_device *adev);
55 	int (*gart_enable)(struct amdgpu_device *adev);
56 	void (*set_fault_enable_default)(struct amdgpu_device *adev,
57 			bool value);
58 	void (*gart_disable)(struct amdgpu_device *adev);
59 	int (*set_clockgating)(struct amdgpu_device *adev,
60 			       enum amd_clockgating_state state);
61 	void (*get_clockgating)(struct amdgpu_device *adev, u64 *flags);
62 	void (*setup_vm_pt_regs)(struct amdgpu_device *adev, uint32_t vmid,
63 				uint64_t page_table_base);
64 	void (*update_power_gating)(struct amdgpu_device *adev,
65                                 bool enable);
66 };
67 
68 struct amdgpu_mmhub {
69 	struct ras_common_if *ras_if;
70 	const struct amdgpu_mmhub_funcs *funcs;
71 	struct amdgpu_mmhub_ras  *ras;
72 };
73 
74 int amdgpu_mmhub_ras_sw_init(struct amdgpu_device *adev);
75 
76 #endif
77 
78