Home | History | Annotate | Line # | Download | only in amdgpu
      1 /*	$NetBSD: amdgpu_rlc.h,v 1.3 2021/12/19 12:02:39 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2014 Advanced Micro Devices, Inc.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be included in
     14  * all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     22  * OTHER DEALINGS IN THE SOFTWARE.
     23  *
     24  */
     25 
     26 #ifndef __AMDGPU_RLC_H__
     27 #define __AMDGPU_RLC_H__
     28 
     29 #include "clearstate_defs.h"
     30 
     31 /* firmware ID used in rlc toc */
     32 typedef enum _FIRMWARE_ID_ {
     33 	FIRMWARE_ID_INVALID					= 0,
     34 	FIRMWARE_ID_RLC_G_UCODE					= 1,
     35 	FIRMWARE_ID_RLC_TOC					= 2,
     36 	FIRMWARE_ID_RLCG_SCRATCH                                = 3,
     37 	FIRMWARE_ID_RLC_SRM_ARAM                                = 4,
     38 	FIRMWARE_ID_RLC_SRM_INDEX_ADDR                          = 5,
     39 	FIRMWARE_ID_RLC_SRM_INDEX_DATA                          = 6,
     40 	FIRMWARE_ID_RLC_P_UCODE                                 = 7,
     41 	FIRMWARE_ID_RLC_V_UCODE                                 = 8,
     42 	FIRMWARE_ID_RLX6_UCODE                                  = 9,
     43 	FIRMWARE_ID_RLX6_DRAM_BOOT                              = 10,
     44 	FIRMWARE_ID_GLOBAL_TAP_DELAYS                           = 11,
     45 	FIRMWARE_ID_SE0_TAP_DELAYS                              = 12,
     46 	FIRMWARE_ID_SE1_TAP_DELAYS                              = 13,
     47 	FIRMWARE_ID_GLOBAL_SE0_SE1_SKEW_DELAYS                  = 14,
     48 	FIRMWARE_ID_SDMA0_UCODE                                 = 15,
     49 	FIRMWARE_ID_SDMA0_JT                                    = 16,
     50 	FIRMWARE_ID_SDMA1_UCODE                                 = 17,
     51 	FIRMWARE_ID_SDMA1_JT                                    = 18,
     52 	FIRMWARE_ID_CP_CE                                       = 19,
     53 	FIRMWARE_ID_CP_PFP                                      = 20,
     54 	FIRMWARE_ID_CP_ME                                       = 21,
     55 	FIRMWARE_ID_CP_MEC                                      = 22,
     56 	FIRMWARE_ID_CP_MES                                      = 23,
     57 	FIRMWARE_ID_MES_STACK                                   = 24,
     58 	FIRMWARE_ID_RLC_SRM_DRAM_SR                             = 25,
     59 	FIRMWARE_ID_RLCG_SCRATCH_SR                             = 26,
     60 	FIRMWARE_ID_RLCP_SCRATCH_SR                             = 27,
     61 	FIRMWARE_ID_RLCV_SCRATCH_SR                             = 28,
     62 	FIRMWARE_ID_RLX6_DRAM_SR                                = 29,
     63 	FIRMWARE_ID_SDMA0_PG_CONTEXT                            = 30,
     64 	FIRMWARE_ID_SDMA1_PG_CONTEXT                            = 31,
     65 	FIRMWARE_ID_GLOBAL_MUX_SELECT_RAM                       = 32,
     66 	FIRMWARE_ID_SE0_MUX_SELECT_RAM                          = 33,
     67 	FIRMWARE_ID_SE1_MUX_SELECT_RAM                          = 34,
     68 	FIRMWARE_ID_ACCUM_CTRL_RAM                              = 35,
     69 	FIRMWARE_ID_RLCP_CAM                                    = 36,
     70 	FIRMWARE_ID_RLC_SPP_CAM_EXT                             = 37,
     71 	FIRMWARE_ID_MAX                                         = 38,
     72 } FIRMWARE_ID;
     73 
     74 typedef struct _RLC_TABLE_OF_CONTENT {
     75 	union {
     76 		unsigned int	DW0;
     77 		struct {
     78 			unsigned int	offset		: 25;
     79 			unsigned int	id		: 7;
     80 		};
     81 	};
     82 
     83 	union {
     84 		unsigned int	DW1;
     85 		struct {
     86 			unsigned int	load_at_boot		: 1;
     87 			unsigned int	load_at_vddgfx		: 1;
     88 			unsigned int	load_at_reset		: 1;
     89 			unsigned int	memory_destination	: 2;
     90 			unsigned int	vfflr_image_code	: 4;
     91 			unsigned int	load_mode_direct	: 1;
     92 			unsigned int	save_for_vddgfx		: 1;
     93 			unsigned int	save_for_vfflr		: 1;
     94 			unsigned int	reserved		: 1;
     95 			unsigned int	signed_source		: 1;
     96 			unsigned int	size			: 18;
     97 		};
     98 	};
     99 
    100 	union {
    101 		unsigned int	DW2;
    102 		struct {
    103 			unsigned int	indirect_addr_reg	: 16;
    104 			unsigned int	index			: 16;
    105 		};
    106 	};
    107 
    108 	union {
    109 		unsigned int	DW3;
    110 		struct {
    111 			unsigned int	indirect_data_reg	: 16;
    112 			unsigned int	indirect_start_offset	: 16;
    113 		};
    114 	};
    115 } RLC_TABLE_OF_CONTENT;
    116 
    117 #define RLC_TOC_MAX_SIZE		64
    118 
    119 struct amdgpu_rlc_funcs {
    120 	bool (*is_rlc_enabled)(struct amdgpu_device *adev);
    121 	void (*set_safe_mode)(struct amdgpu_device *adev);
    122 	void (*unset_safe_mode)(struct amdgpu_device *adev);
    123 	int  (*init)(struct amdgpu_device *adev);
    124 	u32  (*get_csb_size)(struct amdgpu_device *adev);
    125 	void (*get_csb_buffer)(struct amdgpu_device *adev, volatile u32 *buffer);
    126 	int  (*get_cp_table_num)(struct amdgpu_device *adev);
    127 	int  (*resume)(struct amdgpu_device *adev);
    128 	void (*stop)(struct amdgpu_device *adev);
    129 	void (*reset)(struct amdgpu_device *adev);
    130 	void (*start)(struct amdgpu_device *adev);
    131 };
    132 
    133 struct amdgpu_rlc {
    134 	/* for power gating */
    135 	struct amdgpu_bo        *save_restore_obj;
    136 	uint64_t                save_restore_gpu_addr;
    137 	volatile uint32_t       *sr_ptr;
    138 	const u32               *reg_list;
    139 	u32                     reg_list_size;
    140 	/* for clear state */
    141 	struct amdgpu_bo        *clear_state_obj;
    142 	uint64_t                clear_state_gpu_addr;
    143 	volatile uint32_t       *cs_ptr;
    144 	const struct cs_section_def   *cs_data;
    145 	u32                     clear_state_size;
    146 	/* for cp tables */
    147 	struct amdgpu_bo        *cp_table_obj;
    148 	uint64_t                cp_table_gpu_addr;
    149 	volatile uint32_t       *cp_table_ptr;
    150 	u32                     cp_table_size;
    151 
    152 	/* safe mode for updating CG/PG state */
    153 	bool in_safe_mode;
    154 	const struct amdgpu_rlc_funcs *funcs;
    155 
    156 	/* for firmware data */
    157 	u32 save_and_restore_offset;
    158 	u32 clear_state_descriptor_offset;
    159 	u32 avail_scratch_ram_locations;
    160 	u32 reg_restore_list_size;
    161 	u32 reg_list_format_start;
    162 	u32 reg_list_format_separate_start;
    163 	u32 starting_offsets_start;
    164 	u32 reg_list_format_size_bytes;
    165 	u32 reg_list_size_bytes;
    166 	u32 reg_list_format_direct_reg_list_length;
    167 	u32 save_restore_list_cntl_size_bytes;
    168 	u32 save_restore_list_gpm_size_bytes;
    169 	u32 save_restore_list_srm_size_bytes;
    170 
    171 	u32 *register_list_format;
    172 	u32 *register_restore;
    173 	const u8 *save_restore_list_cntl;
    174 	const u8 *save_restore_list_gpm;
    175 	const u8 *save_restore_list_srm;
    176 
    177 	bool is_rlc_v2_1;
    178 
    179 	/* for rlc autoload */
    180 	struct amdgpu_bo	*rlc_autoload_bo;
    181 	u64			rlc_autoload_gpu_addr;
    182 	void			*rlc_autoload_ptr;
    183 
    184 	/* rlc toc buffer */
    185 	struct amdgpu_bo	*rlc_toc_bo;
    186 	uint64_t		rlc_toc_gpu_addr;
    187 	void			*rlc_toc_buf;
    188 };
    189 
    190 void amdgpu_gfx_rlc_enter_safe_mode(struct amdgpu_device *adev);
    191 void amdgpu_gfx_rlc_exit_safe_mode(struct amdgpu_device *adev);
    192 int amdgpu_gfx_rlc_init_sr(struct amdgpu_device *adev, u32 dws);
    193 int amdgpu_gfx_rlc_init_csb(struct amdgpu_device *adev);
    194 int amdgpu_gfx_rlc_init_cpt(struct amdgpu_device *adev);
    195 void amdgpu_gfx_rlc_setup_cp_table(struct amdgpu_device *adev);
    196 void amdgpu_gfx_rlc_fini(struct amdgpu_device *adev);
    197 
    198 #endif
    199