drivers/gpu/drm/amd/powerplay/inc/eventmgr.h

   1 /*
   2  * Copyright 2015 Advanced Micro Devices, Inc.
   3  *
   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:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  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.
  21  *
  22  */
  23
  24 #ifndef _EVENTMGR_H_
  25 #define _EVENTMGR_H_
  26
  27 #include <linux/mutex.h>
  28 #include "pp_instance.h"
  29 #include "hardwaremanager.h"
  30 #include "eventmanager.h"
  31 #include "pp_feature.h"
  32 #include "pp_power_source.h"
  33 #include "power_state.h"
  34
  35 typedef int (*pem_event_action)(struct pp_eventmgr *eventmgr,
  36                                 struct pem_event_data *event_data);
  37
  38 struct action_chain {
  39         const char *description;  /* action chain description for debugging purpose */
  40         const pem_event_action * const *action_chain; /* pointer to chain of event actions */
  41 };
  42
  43 struct pem_power_source_ui_state_info {
  44         enum PP_StateUILabel current_ui_label;
  45         enum PP_StateUILabel default_ui_lable;
  46         unsigned long    configurable_ui_mapping;
  47 };
  48
  49 struct pp_clock_range {
  50         uint32_t min_sclk_khz;
  51         uint32_t max_sclk_khz;
  52
  53         uint32_t min_mclk_khz;
  54         uint32_t max_mclk_khz;
  55
  56         uint32_t min_vclk_khz;
  57         uint32_t max_vclk_khz;
  58
  59         uint32_t min_dclk_khz;
  60         uint32_t max_dclk_khz;
  61
  62         uint32_t min_aclk_khz;
  63         uint32_t max_aclk_khz;
  64
  65         uint32_t min_eclk_khz;
  66         uint32_t max_eclk_khz;
  67 };
  68
  69 enum pp_state {
  70         UNINITIALIZED,
  71         INACTIVE,
  72         ACTIVE
  73 };
  74
  75 enum pp_ring_index {
  76         PP_RING_TYPE_GFX_INDEX = 0,
  77         PP_RING_TYPE_DMA_INDEX,
  78         PP_RING_TYPE_DMA1_INDEX,
  79         PP_RING_TYPE_UVD_INDEX,
  80         PP_RING_TYPE_VCE0_INDEX,
  81         PP_RING_TYPE_VCE1_INDEX,
  82         PP_RING_TYPE_CP1_INDEX,
  83         PP_RING_TYPE_CP2_INDEX,
  84         PP_NUM_RINGS,
  85 };
  86
  87 struct pp_request {
  88         uint32_t flags;
  89         uint32_t sclk;
  90         uint32_t sclk_throttle;
  91         uint32_t mclk;
  92         uint32_t vclk;
  93         uint32_t dclk;
  94         uint32_t eclk;
  95         uint32_t aclk;
  96         uint32_t iclk;
  97         uint32_t vp8clk;
  98         uint32_t rsv[32];
  99 };
 100
 101 struct pp_eventmgr {
 102         struct pp_hwmgr *hwmgr;
 103         struct pp_smumgr *smumgr;
 104
 105         struct pp_feature_info features[PP_Feature_Max];
 106         const struct action_chain *event_chain[AMD_PP_EVENT_MAX];
 107         struct phm_platform_descriptor   *platform_descriptor;
 108         struct pp_clock_range clock_range;
 109         enum pp_power_source  current_power_source;
 110         struct pem_power_source_ui_state_info  ui_state_info[PP_PowerSource_Max];
 111         enum pp_state states[PP_NUM_RINGS];
 112         struct pp_request hi_req;
 113         struct list_head context_list;
 114         struct mutex lock;
 115         bool  block_adjust_power_state;
 116         bool enable_cg;
 117         bool enable_gfx_cgpg;
 118         int (*pp_eventmgr_init)(struct pp_eventmgr *eventmgr);
 119         void (*pp_eventmgr_fini)(struct pp_eventmgr *eventmgr);
 120 };
 121
 122 int eventmgr_init(struct pp_instance *handle);
 123 int eventmgr_fini(struct pp_eventmgr *eventmgr);
 124
 125 #endif /* _EVENTMGR_H_ */