drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_smu.h

/*
 * Copyright 2021 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: AMD
 *
 */

#ifndef DAL_DC_315_SMU_H_
#define DAL_DC_315_SMU_H_
#include "os_types.h"

#define PMFW_DRIVER_IF_VERSION 4

#define NUM_DCFCLK_DPM_LEVELS   4
#define NUM_DISPCLK_DPM_LEVELS  4
#define NUM_DPPCLK_DPM_LEVELS   4
#define NUM_SOCCLK_DPM_LEVELS   4
#define NUM_VCN_DPM_LEVELS      4
#define NUM_SOC_VOLTAGE_LEVELS  4
#define NUM_DF_PSTATE_LEVELS    4


typedef struct {
  uint16_t MinClock; // This is either DCFCLK or SOCCLK (in MHz)
  uint16_t MaxClock; // This is either DCFCLK or SOCCLK (in MHz)
  uint16_t MinMclk;
  uint16_t MaxMclk;
  uint8_t  WmSetting;
  uint8_t  WmType;  // Used for normal pstate change or memory retraining
  uint8_t  Padding[2];
} WatermarkRowGeneric_t;

#define NUM_WM_RANGES 4
#define WM_PSTATE_CHG 0
#define WM_RETRAINING 1

typedef enum {
  WM_SOCCLK = 0,
  WM_DCFCLK,
  WM_COUNT,
} WM_CLOCK_e;

typedef struct {
  uint32_t FClk;
  uint32_t MemClk;
  uint32_t Voltage;
} DfPstateTable_t;

//Freq in MHz
//Voltage in milli volts with 2 fractional bits
typedef struct {
  uint32_t DcfClocks[NUM_DCFCLK_DPM_LEVELS];
  uint32_t DispClocks[NUM_DISPCLK_DPM_LEVELS];
  uint32_t DppClocks[NUM_DPPCLK_DPM_LEVELS];
  uint32_t SocClocks[NUM_SOCCLK_DPM_LEVELS];
  uint32_t VClocks[NUM_VCN_DPM_LEVELS];
  uint32_t DClocks[NUM_VCN_DPM_LEVELS];
  uint32_t SocVoltage[NUM_SOC_VOLTAGE_LEVELS];
  DfPstateTable_t DfPstateTable[NUM_DF_PSTATE_LEVELS];
  uint8_t  NumDcfClkLevelsEnabled;
  uint8_t  NumDispClkLevelsEnabled; //Applies to both Dispclk and Dppclk
  uint8_t  NumSocClkLevelsEnabled;
  uint8_t  VcnClkLevelsEnabled;     //Applies to both Vclk and Dclk
  uint8_t  NumDfPstatesEnabled;
  uint8_t  spare[3];
  uint32_t MinGfxClk;
  uint32_t MaxGfxClk;
} DpmClocks_315_t;

struct dcn315_watermarks {
  // Watermarks
  WatermarkRowGeneric_t WatermarkRow[WM_COUNT][NUM_WM_RANGES];
  uint32_t MmHubPadding[7]; // SMU internal use
};

struct dcn315_smu_dpm_clks {
	DpmClocks_315_t *dpm_clks;
	union large_integer mc_address;
};

#define TABLE_WATERMARKS         1 // Called by DAL through VBIOS
#define TABLE_DPMCLOCKS          4 // Called by Driver and VBIOS

struct display_idle_optimization {
	unsigned int df_request_disabled : 1;
	unsigned int phy_ref_clk_off     : 1;
	unsigned int s0i2_rdy            : 1;
	unsigned int reserved            : 29;
};

union display_idle_optimization_u {
	struct display_idle_optimization idle_info;
	uint32_t data;
};

int dcn315_smu_get_smu_version(struct clk_mgr_internal *clk_mgr);
int dcn315_smu_set_dispclk(struct clk_mgr_internal *clk_mgr, int requested_dispclk_khz);
int dcn315_smu_set_hard_min_dcfclk(struct clk_mgr_internal *clk_mgr, int requested_dcfclk_khz);
int dcn315_smu_set_min_deep_sleep_dcfclk(struct clk_mgr_internal *clk_mgr, int requested_min_ds_dcfclk_khz);
int dcn315_smu_set_dppclk(struct clk_mgr_internal *clk_mgr, int requested_dpp_khz);
void dcn315_smu_set_display_idle_optimization(struct clk_mgr_internal *clk_mgr, uint32_t idle_info);
void dcn315_smu_enable_phy_refclk_pwrdwn(struct clk_mgr_internal *clk_mgr, bool enable);
void dcn315_smu_set_dram_addr_high(struct clk_mgr_internal *clk_mgr, uint32_t addr_high);
void dcn315_smu_set_dram_addr_low(struct clk_mgr_internal *clk_mgr, uint32_t addr_low);
void dcn315_smu_transfer_dpm_table_smu_2_dram(struct clk_mgr_internal *clk_mgr);
void dcn315_smu_transfer_wm_table_dram_2_smu(struct clk_mgr_internal *clk_mgr);
void dcn315_smu_request_voltage_via_phyclk(struct clk_mgr_internal *clk_mgr, int requested_phyclk_khz);
void dcn315_smu_enable_pme_wa(struct clk_mgr_internal *clk_mgr);
int dcn315_smu_get_dpref_clk(struct clk_mgr_internal *clk_mgr);
int dcn315_smu_get_dtbclk(struct clk_mgr_internal *clk_mgr);
void dcn315_smu_set_dtbclk(struct clk_mgr_internal *clk_mgr, bool enable);
#endif /* DAL_DC_315_SMU_H_ */