LXR linux/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
  35typedef int (*pem_event_action)(struct pp_eventmgr *eventmgr,
  36                                struct pem_event_data *event_data);
  37
  38struct 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
  43struct 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
  49struct 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
  69enum pp_state {
  70        UNINITIALIZED,
  71        INACTIVE,
  72        ACTIVE
  73};
  74
  75enum 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
  87struct 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
 101struct 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
 122int eventmgr_init(struct pp_instance *handle);
 123int eventmgr_fini(struct pp_eventmgr *eventmgr);
 124
 125#endif /* _EVENTMGR_H_ */
 126