diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_smu.h')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_smu.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_smu.h b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_smu.h new file mode 100644 index 000000000..2a7293f66 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_smu.h @@ -0,0 +1,139 @@ +/* + * 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_316_SMU_H_ +#define DAL_DC_316_SMU_H_ +#include "os_types.h" + +#define PMFW_DRIVER_IF_VERSION 4 + +#define NUM_DCFCLK_DPM_LEVELS 8 +#define NUM_DISPCLK_DPM_LEVELS 8 +#define NUM_DPPCLK_DPM_LEVELS 8 +#define NUM_SOCCLK_DPM_LEVELS 8 +#define NUM_VCN_DPM_LEVELS 8 +#define NUM_SOC_VOLTAGE_LEVELS 8 +#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 enum{ + WCK_RATIO_1_1 = 0, // DDR5, Wck:ck is always 1:1; + WCK_RATIO_1_2, + WCK_RATIO_1_4, + WCK_RATIO_MAX +} WCK_RATIO_e; + +typedef struct { + uint32_t FClk; + uint32_t MemClk; + uint32_t Voltage; + uint8_t WckRatio; + uint8_t Spare[3]; +} 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_316_t; + +struct dcn316_watermarks { + // Watermarks + WatermarkRowGeneric_t WatermarkRow[WM_COUNT][NUM_WM_RANGES]; + uint32_t MmHubPadding[7]; // SMU internal use +}; + +struct dcn316_smu_dpm_clks { + DpmClocks_316_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 dcn316_smu_get_smu_version(struct clk_mgr_internal *clk_mgr); +int dcn316_smu_set_dispclk(struct clk_mgr_internal *clk_mgr, int requested_dispclk_khz); +int dcn316_smu_set_hard_min_dcfclk(struct clk_mgr_internal *clk_mgr, int requested_dcfclk_khz); +int dcn316_smu_set_min_deep_sleep_dcfclk(struct clk_mgr_internal *clk_mgr, int requested_min_ds_dcfclk_khz); +int dcn316_smu_set_dppclk(struct clk_mgr_internal *clk_mgr, int requested_dpp_khz); +void dcn316_smu_set_display_idle_optimization(struct clk_mgr_internal *clk_mgr, uint32_t idle_info); +void dcn316_smu_enable_phy_refclk_pwrdwn(struct clk_mgr_internal *clk_mgr, bool enable); +void dcn316_smu_set_dram_addr_high(struct clk_mgr_internal *clk_mgr, uint32_t addr_high); +void dcn316_smu_set_dram_addr_low(struct clk_mgr_internal *clk_mgr, uint32_t addr_low); +void dcn316_smu_transfer_dpm_table_smu_2_dram(struct clk_mgr_internal *clk_mgr); +void dcn316_smu_transfer_wm_table_dram_2_smu(struct clk_mgr_internal *clk_mgr); +void dcn316_smu_request_voltage_via_phyclk(struct clk_mgr_internal *clk_mgr, int requested_phyclk_khz); +void dcn316_smu_enable_pme_wa(struct clk_mgr_internal *clk_mgr); +void dcn316_smu_set_dtbclk(struct clk_mgr_internal *clk_mgr, bool enable); +int dcn316_smu_get_dpref_clk(struct clk_mgr_internal *clk_mgr); +int dcn316_smu_get_smu_fclk(struct clk_mgr_internal *clk_mgr); + +#endif /* DAL_DC_316_SMU_H_ */ |