2 * Copyright 2015 Advanced Micro Devices, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
23 #ifndef __AMD_SHARED_H__
24 #define __AMD_SHARED_H__
26 #include <drm/amd_asic_type.h>
29 #define AMD_MAX_USEC_TIMEOUT 1000000 /* 1000 ms */
35 AMD_ASIC_MASK = 0x0000ffffUL,
36 AMD_FLAGS_MASK = 0xffff0000UL,
37 AMD_IS_MOBILITY = 0x00010000UL,
38 AMD_IS_APU = 0x00020000UL,
39 AMD_IS_PX = 0x00040000UL,
40 AMD_EXP_HW_SUPPORT = 0x00080000UL,
44 AMD_APU_IS_RAVEN = 0x00000001UL,
45 AMD_APU_IS_RAVEN2 = 0x00000002UL,
46 AMD_APU_IS_PICASSO = 0x00000004UL,
47 AMD_APU_IS_RENOIR = 0x00000008UL,
48 AMD_APU_IS_GREEN_SARDINE = 0x00000010UL,
49 AMD_APU_IS_VANGOGH = 0x00000020UL,
50 AMD_APU_IS_CYAN_SKILLFISH2 = 0x00000040UL,
56 * GPUs are composed of IP (intellectual property) blocks. These
57 * IP blocks provide various functionalities: display, graphics,
58 * video decode, etc. The IP blocks that comprise a particular GPU
59 * are listed in the GPU's respective SoC file. amdgpu_device.c
60 * acquires the list of IP blocks for the GPU in use on initialization.
61 * It can then operate on this list to perform standard driver operations
62 * such as: init, fini, suspend, resume, etc.
65 * IP block implementations are named using the following convention:
66 * <functionality>_v<version> (E.g.: gfx_v6_0).
70 * enum amd_ip_block_type - Used to classify IP blocks by functionality.
72 * @AMD_IP_BLOCK_TYPE_COMMON: GPU Family
73 * @AMD_IP_BLOCK_TYPE_GMC: Graphics Memory Controller
74 * @AMD_IP_BLOCK_TYPE_IH: Interrupt Handler
75 * @AMD_IP_BLOCK_TYPE_SMC: System Management Controller
76 * @AMD_IP_BLOCK_TYPE_PSP: Platform Security Processor
77 * @AMD_IP_BLOCK_TYPE_DCE: Display and Compositing Engine
78 * @AMD_IP_BLOCK_TYPE_GFX: Graphics and Compute Engine
79 * @AMD_IP_BLOCK_TYPE_SDMA: System DMA Engine
80 * @AMD_IP_BLOCK_TYPE_UVD: Unified Video Decoder
81 * @AMD_IP_BLOCK_TYPE_VCE: Video Compression Engine
82 * @AMD_IP_BLOCK_TYPE_ACP: Audio Co-Processor
83 * @AMD_IP_BLOCK_TYPE_VCN: Video Core/Codec Next
84 * @AMD_IP_BLOCK_TYPE_MES: Micro-Engine Scheduler
85 * @AMD_IP_BLOCK_TYPE_JPEG: JPEG Engine
87 enum amd_ip_block_type {
88 AMD_IP_BLOCK_TYPE_COMMON,
89 AMD_IP_BLOCK_TYPE_GMC,
91 AMD_IP_BLOCK_TYPE_SMC,
92 AMD_IP_BLOCK_TYPE_PSP,
93 AMD_IP_BLOCK_TYPE_DCE,
94 AMD_IP_BLOCK_TYPE_GFX,
95 AMD_IP_BLOCK_TYPE_SDMA,
96 AMD_IP_BLOCK_TYPE_UVD,
97 AMD_IP_BLOCK_TYPE_VCE,
98 AMD_IP_BLOCK_TYPE_ACP,
99 AMD_IP_BLOCK_TYPE_VCN,
100 AMD_IP_BLOCK_TYPE_MES,
101 AMD_IP_BLOCK_TYPE_JPEG,
102 AMD_IP_BLOCK_TYPE_NUM,
105 enum amd_clockgating_state {
106 AMD_CG_STATE_GATE = 0,
111 enum amd_powergating_state {
112 AMD_PG_STATE_GATE = 0,
118 #define AMD_CG_SUPPORT_GFX_MGCG (1 << 0)
119 #define AMD_CG_SUPPORT_GFX_MGLS (1 << 1)
120 #define AMD_CG_SUPPORT_GFX_CGCG (1 << 2)
121 #define AMD_CG_SUPPORT_GFX_CGLS (1 << 3)
122 #define AMD_CG_SUPPORT_GFX_CGTS (1 << 4)
123 #define AMD_CG_SUPPORT_GFX_CGTS_LS (1 << 5)
124 #define AMD_CG_SUPPORT_GFX_CP_LS (1 << 6)
125 #define AMD_CG_SUPPORT_GFX_RLC_LS (1 << 7)
126 #define AMD_CG_SUPPORT_MC_LS (1 << 8)
127 #define AMD_CG_SUPPORT_MC_MGCG (1 << 9)
128 #define AMD_CG_SUPPORT_SDMA_LS (1 << 10)
129 #define AMD_CG_SUPPORT_SDMA_MGCG (1 << 11)
130 #define AMD_CG_SUPPORT_BIF_LS (1 << 12)
131 #define AMD_CG_SUPPORT_UVD_MGCG (1 << 13)
132 #define AMD_CG_SUPPORT_VCE_MGCG (1 << 14)
133 #define AMD_CG_SUPPORT_HDP_LS (1 << 15)
134 #define AMD_CG_SUPPORT_HDP_MGCG (1 << 16)
135 #define AMD_CG_SUPPORT_ROM_MGCG (1 << 17)
136 #define AMD_CG_SUPPORT_DRM_LS (1 << 18)
137 #define AMD_CG_SUPPORT_BIF_MGCG (1 << 19)
138 #define AMD_CG_SUPPORT_GFX_3D_CGCG (1 << 20)
139 #define AMD_CG_SUPPORT_GFX_3D_CGLS (1 << 21)
140 #define AMD_CG_SUPPORT_DRM_MGCG (1 << 22)
141 #define AMD_CG_SUPPORT_DF_MGCG (1 << 23)
142 #define AMD_CG_SUPPORT_VCN_MGCG (1 << 24)
143 #define AMD_CG_SUPPORT_HDP_DS (1 << 25)
144 #define AMD_CG_SUPPORT_HDP_SD (1 << 26)
145 #define AMD_CG_SUPPORT_IH_CG (1 << 27)
146 #define AMD_CG_SUPPORT_ATHUB_LS (1 << 28)
147 #define AMD_CG_SUPPORT_ATHUB_MGCG (1 << 29)
148 #define AMD_CG_SUPPORT_JPEG_MGCG (1 << 30)
149 #define AMD_CG_SUPPORT_GFX_FGCG (1 << 31)
151 #define AMD_PG_SUPPORT_GFX_PG (1 << 0)
152 #define AMD_PG_SUPPORT_GFX_SMG (1 << 1)
153 #define AMD_PG_SUPPORT_GFX_DMG (1 << 2)
154 #define AMD_PG_SUPPORT_UVD (1 << 3)
155 #define AMD_PG_SUPPORT_VCE (1 << 4)
156 #define AMD_PG_SUPPORT_CP (1 << 5)
157 #define AMD_PG_SUPPORT_GDS (1 << 6)
158 #define AMD_PG_SUPPORT_RLC_SMU_HS (1 << 7)
159 #define AMD_PG_SUPPORT_SDMA (1 << 8)
160 #define AMD_PG_SUPPORT_ACP (1 << 9)
161 #define AMD_PG_SUPPORT_SAMU (1 << 10)
162 #define AMD_PG_SUPPORT_GFX_QUICK_MG (1 << 11)
163 #define AMD_PG_SUPPORT_GFX_PIPELINE (1 << 12)
164 #define AMD_PG_SUPPORT_MMHUB (1 << 13)
165 #define AMD_PG_SUPPORT_VCN (1 << 14)
166 #define AMD_PG_SUPPORT_VCN_DPG (1 << 15)
167 #define AMD_PG_SUPPORT_ATHUB (1 << 16)
168 #define AMD_PG_SUPPORT_JPEG (1 << 17)
171 * enum PP_FEATURE_MASK - Used to mask power play features.
173 * @PP_SCLK_DPM_MASK: Dynamic adjustment of the system (graphics) clock.
174 * @PP_MCLK_DPM_MASK: Dynamic adjustment of the memory clock.
175 * @PP_PCIE_DPM_MASK: Dynamic adjustment of PCIE clocks and lanes.
176 * @PP_SCLK_DEEP_SLEEP_MASK: System (graphics) clock deep sleep.
177 * @PP_POWER_CONTAINMENT_MASK: Power containment.
178 * @PP_UVD_HANDSHAKE_MASK: Unified video decoder handshake.
179 * @PP_SMC_VOLTAGE_CONTROL_MASK: Dynamic voltage control.
180 * @PP_VBI_TIME_SUPPORT_MASK: Vertical blank interval support.
181 * @PP_ULV_MASK: Ultra low voltage.
182 * @PP_ENABLE_GFX_CG_THRU_SMU: SMU control of GFX engine clockgating.
183 * @PP_CLOCK_STRETCH_MASK: Clock stretching.
184 * @PP_OD_FUZZY_FAN_CONTROL_MASK: Overdrive fuzzy fan control.
185 * @PP_SOCCLK_DPM_MASK: Dynamic adjustment of the SoC clock.
186 * @PP_DCEFCLK_DPM_MASK: Dynamic adjustment of the Display Controller Engine Fabric clock.
187 * @PP_OVERDRIVE_MASK: Over- and under-clocking support.
188 * @PP_GFXOFF_MASK: Dynamic graphics engine power control.
189 * @PP_ACG_MASK: Adaptive clock generator.
190 * @PP_STUTTER_MODE: Stutter mode.
191 * @PP_AVFS_MASK: Adaptive voltage and frequency scaling.
193 * To override these settings on boot, append amdgpu.ppfeaturemask=<mask> to
194 * the kernel's command line parameters. This is usually done through a system's
195 * boot loader (E.g. GRUB). If manually loading the driver, pass
196 * ppfeaturemask=<mask> as a modprobe parameter.
198 enum PP_FEATURE_MASK {
199 PP_SCLK_DPM_MASK = 0x1,
200 PP_MCLK_DPM_MASK = 0x2,
201 PP_PCIE_DPM_MASK = 0x4,
202 PP_SCLK_DEEP_SLEEP_MASK = 0x8,
203 PP_POWER_CONTAINMENT_MASK = 0x10,
204 PP_UVD_HANDSHAKE_MASK = 0x20,
205 PP_SMC_VOLTAGE_CONTROL_MASK = 0x40,
206 PP_VBI_TIME_SUPPORT_MASK = 0x80,
208 PP_ENABLE_GFX_CG_THRU_SMU = 0x200,
209 PP_CLOCK_STRETCH_MASK = 0x400,
210 PP_OD_FUZZY_FAN_CONTROL_MASK = 0x800,
211 PP_SOCCLK_DPM_MASK = 0x1000,
212 PP_DCEFCLK_DPM_MASK = 0x2000,
213 PP_OVERDRIVE_MASK = 0x4000,
214 PP_GFXOFF_MASK = 0x8000,
215 PP_ACG_MASK = 0x10000,
216 PP_STUTTER_MODE = 0x20000,
217 PP_AVFS_MASK = 0x40000,
218 PP_GFX_DCS_MASK = 0x80000,
221 enum amd_harvest_ip_mask {
222 AMD_HARVEST_IP_VCN_MASK = 0x1,
223 AMD_HARVEST_IP_JPEG_MASK = 0x2,
224 AMD_HARVEST_IP_DMU_MASK = 0x4,
227 enum DC_FEATURE_MASK {
228 //Default value can be found at "uint amdgpu_dc_feature_mask"
229 DC_FBC_MASK = (1 << 0), //0x1, disabled by default
230 DC_MULTI_MON_PP_MCLK_SWITCH_MASK = (1 << 1), //0x2, enabled by default
231 DC_DISABLE_FRACTIONAL_PWM_MASK = (1 << 2), //0x4, disabled by default
232 DC_PSR_MASK = (1 << 3), //0x8, disabled by default for dcn < 3.1
233 DC_EDP_NO_POWER_SEQUENCING = (1 << 4), //0x10, disabled by default
234 DC_DISABLE_LTTPR_DP1_4A = (1 << 5), //0x20, disabled by default
235 DC_DISABLE_LTTPR_DP2_0 = (1 << 6), //0x40, disabled by default
239 DC_DISABLE_PIPE_SPLIT = 0x1,
240 DC_DISABLE_STUTTER = 0x2,
241 DC_DISABLE_DSC = 0x4,
242 DC_DISABLE_CLOCK_GATING = 0x8,
243 DC_DISABLE_PSR = 0x10,
246 enum amd_dpm_forced_level;
249 * struct amd_ip_funcs - general hooks for managing amdgpu IP Blocks
250 * @name: Name of IP block
251 * @early_init: sets up early driver state (pre sw_init),
252 * does not configure hw - Optional
253 * @late_init: sets up late driver/hw state (post hw_init) - Optional
254 * @sw_init: sets up driver state, does not configure hw
255 * @sw_fini: tears down driver state, does not configure hw
256 * @early_fini: tears down stuff before dev detached from driver
257 * @hw_init: sets up the hw state
258 * @hw_fini: tears down the hw state
259 * @late_fini: final cleanup
260 * @suspend: handles IP specific hw/sw changes for suspend
261 * @resume: handles IP specific hw/sw changes for resume
262 * @is_idle: returns current IP block idle status
263 * @wait_for_idle: poll for idle
264 * @check_soft_reset: check soft reset the IP block
265 * @pre_soft_reset: pre soft reset the IP block
266 * @soft_reset: soft reset the IP block
267 * @post_soft_reset: post soft reset the IP block
268 * @set_clockgating_state: enable/disable cg for the IP block
269 * @set_powergating_state: enable/disable pg for the IP block
270 * @get_clockgating_state: get current clockgating status
271 * @enable_umd_pstate: enable UMD powerstate
273 * These hooks provide an interface for controlling the operational state
274 * of IP blocks. After acquiring a list of IP blocks for the GPU in use,
275 * the driver can make chip-wide state changes by walking this list and
276 * making calls to hooks from each IP block. This list is ordered to ensure
277 * that the driver initializes the IP blocks in a safe sequence.
279 struct amd_ip_funcs {
281 int (*early_init)(void *handle);
282 int (*late_init)(void *handle);
283 int (*sw_init)(void *handle);
284 int (*sw_fini)(void *handle);
285 int (*early_fini)(void *handle);
286 int (*hw_init)(void *handle);
287 int (*hw_fini)(void *handle);
288 void (*late_fini)(void *handle);
289 int (*suspend)(void *handle);
290 int (*resume)(void *handle);
291 bool (*is_idle)(void *handle);
292 int (*wait_for_idle)(void *handle);
293 bool (*check_soft_reset)(void *handle);
294 int (*pre_soft_reset)(void *handle);
295 int (*soft_reset)(void *handle);
296 int (*post_soft_reset)(void *handle);
297 int (*set_clockgating_state)(void *handle,
298 enum amd_clockgating_state state);
299 int (*set_powergating_state)(void *handle,
300 enum amd_powergating_state state);
301 void (*get_clockgating_state)(void *handle, u32 *flags);
302 int (*enable_umd_pstate)(void *handle, enum amd_dpm_forced_level *level);
306 #endif /* __AMD_SHARED_H__ */