/* * Copyright 2018 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_CLK_MGR_INTERNAL_H__ #define __DAL_CLK_MGR_INTERNAL_H__ #include "clk_mgr.h" #include "dc.h" /* * only thing needed from here is MEMORY_TYPE_MULTIPLIER_CZ, which is also * used in resource, perhaps this should be defined somewhere more common. */ #include "resource.h" /* Starting DID for each range */ enum dentist_base_divider_id { DENTIST_BASE_DID_1 = 0x08, DENTIST_BASE_DID_2 = 0x40, DENTIST_BASE_DID_3 = 0x60, DENTIST_BASE_DID_4 = 0x7e, DENTIST_MAX_DID = 0x7f }; /* Starting point and step size for each divider range.*/ enum dentist_divider_range { DENTIST_DIVIDER_RANGE_1_START = 8, /* 2.00 */ DENTIST_DIVIDER_RANGE_1_STEP = 1, /* 0.25 */ DENTIST_DIVIDER_RANGE_2_START = 64, /* 16.00 */ DENTIST_DIVIDER_RANGE_2_STEP = 2, /* 0.50 */ DENTIST_DIVIDER_RANGE_3_START = 128, /* 32.00 */ DENTIST_DIVIDER_RANGE_3_STEP = 4, /* 1.00 */ DENTIST_DIVIDER_RANGE_4_START = 248, /* 62.00 */ DENTIST_DIVIDER_RANGE_4_STEP = 264, /* 66.00 */ DENTIST_DIVIDER_RANGE_SCALE_FACTOR = 4 }; /* *************************************************************************************** ****************** Clock Manager Private Macros and Defines *************************** *************************************************************************************** */ /* Macros */ #define TO_CLK_MGR_INTERNAL(clk_mgr)\ container_of(clk_mgr, struct clk_mgr_internal, base) #define CTX \ clk_mgr->base.ctx #define DC_LOGGER \ dc->ctx->logger #define CLK_BASE(inst) \ CLK_BASE_INNER(inst) #define CLK_SRI(reg_name, block, inst)\ .reg_name = CLK_BASE(mm ## block ## _ ## inst ## _ ## reg_name ## _BASE_IDX) + \ mm ## block ## _ ## inst ## _ ## reg_name #define CLK_COMMON_REG_LIST_DCE_BASE() \ .DPREFCLK_CNTL = mmDPREFCLK_CNTL, \ .DENTIST_DISPCLK_CNTL = mmDENTIST_DISPCLK_CNTL #if defined(CONFIG_DRM_AMD_DC_SI) #define CLK_COMMON_REG_LIST_DCE60_BASE() \ SR(DENTIST_DISPCLK_CNTL) #endif #define CLK_COMMON_REG_LIST_DCN_BASE() \ SR(DENTIST_DISPCLK_CNTL) #define CLK_COMMON_REG_LIST_DCN_201() \ SR(DENTIST_DISPCLK_CNTL), \ CLK_SRI(CLK4_CLK_PLL_REQ, CLK4, 0), \ CLK_SRI(CLK4_CLK2_CURRENT_CNT, CLK4, 0) #define CLK_REG_LIST_NV10() \ SR(DENTIST_DISPCLK_CNTL), \ CLK_SRI(CLK3_CLK_PLL_REQ, CLK3, 0), \ CLK_SRI(CLK3_CLK2_DFS_CNTL, CLK3, 0) #define CLK_REG_LIST_DCN3() \ SR(DENTIST_DISPCLK_CNTL), \ CLK_SRI(CLK0_CLK_PLL_REQ, CLK02, 0), \ CLK_SRI(CLK0_CLK2_DFS_CNTL, CLK02, 0) #define CLK_SF(reg_name, field_name, post_fix)\ .field_name = reg_name ## __ ## field_name ## post_fix #define CLK_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(mask_sh) \ CLK_SF(DPREFCLK_CNTL, DPREFCLK_SRC_SEL, mask_sh), \ CLK_SF(DENTIST_DISPCLK_CNTL, DENTIST_DPREFCLK_WDIVIDER, mask_sh) #if defined(CONFIG_DRM_AMD_DC_SI) #define CLK_COMMON_MASK_SH_LIST_DCE60_COMMON_BASE(mask_sh) \ CLK_SF(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_WDIVIDER, mask_sh),\ CLK_SF(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_CHG_DONE, mask_sh) #endif #define CLK_COMMON_MASK_SH_LIST_DCN_COMMON_BASE(mask_sh) \ CLK_SF(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_WDIVIDER, mask_sh),\ CLK_SF(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_CHG_DONE, mask_sh) #define CLK_MASK_SH_LIST_RV1(mask_sh) \ CLK_COMMON_MASK_SH_LIST_DCN_COMMON_BASE(mask_sh),\ CLK_SF(MP1_SMN_C2PMSG_67, CONTENT, mask_sh),\ CLK_SF(MP1_SMN_C2PMSG_83, CONTENT, mask_sh),\ CLK_SF(MP1_SMN_C2PMSG_91, CONTENT, mask_sh), #define CLK_COMMON_MASK_SH_LIST_DCN20_BASE(mask_sh) \ CLK_COMMON_MASK_SH_LIST_DCN_COMMON_BASE(mask_sh),\ CLK_SF(DENTIST_DISPCLK_CNTL, DENTIST_DPPCLK_WDIVIDER, mask_sh),\ CLK_SF(DENTIST_DISPCLK_CNTL, DENTIST_DPPCLK_CHG_DONE, mask_sh) #define CLK_MASK_SH_LIST_NV10(mask_sh) \ CLK_COMMON_MASK_SH_LIST_DCN20_BASE(mask_sh),\ CLK_SF(CLK3_0_CLK3_CLK_PLL_REQ, FbMult_int, mask_sh),\ CLK_SF(CLK3_0_CLK3_CLK_PLL_REQ, FbMult_frac, mask_sh) #define CLK_COMMON_MASK_SH_LIST_DCN201_BASE(mask_sh) \ CLK_COMMON_MASK_SH_LIST_DCN_COMMON_BASE(mask_sh),\ CLK_SF(DENTIST_DISPCLK_CNTL, DENTIST_DPPCLK_WDIVIDER, mask_sh),\ CLK_SF(DENTIST_DISPCLK_CNTL, DENTIST_DPPCLK_CHG_DONE, mask_sh),\ CLK_SF(CLK4_0_CLK4_CLK_PLL_REQ, FbMult_int, mask_sh) #define CLK_REG_LIST_DCN32() \ SR(DENTIST_DISPCLK_CNTL), \ CLK_SR_DCN32(CLK1_CLK_PLL_REQ), \ CLK_SR_DCN32(CLK1_CLK0_DFS_CNTL), \ CLK_SR_DCN32(CLK1_CLK1_DFS_CNTL), \ CLK_SR_DCN32(CLK1_CLK2_DFS_CNTL), \ CLK_SR_DCN32(CLK1_CLK3_DFS_CNTL), \ CLK_SR_DCN32(CLK1_CLK4_DFS_CNTL), \ CLK_SR_DCN32(CLK1_CLK0_CURRENT_CNT), \ CLK_SR_DCN32(CLK1_CLK1_CURRENT_CNT), \ CLK_SR_DCN32(CLK1_CLK2_CURRENT_CNT), \ CLK_SR_DCN32(CLK1_CLK3_CURRENT_CNT), \ CLK_SR_DCN32(CLK1_CLK4_CURRENT_CNT), \ CLK_SR_DCN32(CLK4_CLK0_CURRENT_CNT) #define CLK_COMMON_MASK_SH_LIST_DCN32(mask_sh) \ CLK_COMMON_MASK_SH_LIST_DCN20_BASE(mask_sh),\ CLK_SF(CLK1_CLK_PLL_REQ, FbMult_int, mask_sh),\ CLK_SF(CLK1_CLK_PLL_REQ, FbMult_frac, mask_sh) #define CLK_REG_LIST_DCN321() \ SR(DENTIST_DISPCLK_CNTL), \ CLK_SR_DCN321(CLK0_CLK_PLL_REQ, CLK01, 0), \ CLK_SR_DCN321(CLK0_CLK0_DFS_CNTL, CLK01, 0), \ CLK_SR_DCN321(CLK0_CLK1_DFS_CNTL, CLK01, 0), \ CLK_SR_DCN321(CLK0_CLK2_DFS_CNTL, CLK01, 0), \ CLK_SR_DCN321(CLK0_CLK3_DFS_CNTL, CLK01, 0), \ CLK_SR_DCN321(CLK0_CLK4_DFS_CNTL, CLK01, 0) #define CLK_COMMON_MASK_SH_LIST_DCN321(mask_sh) \ CLK_COMMON_MASK_SH_LIST_DCN20_BASE(mask_sh),\ CLK_SF(CLK0_CLK_PLL_REQ, FbMult_int, mask_sh),\ CLK_SF(CLK0_CLK_PLL_REQ, FbMult_frac, mask_sh) #define CLK_REG_LIST_DCN401() \ CLK_SR_DCN401(CLK0_CLK_PLL_REQ, CLK01, 0), \ CLK_SR_DCN401(CLK0_CLK0_DFS_CNTL, CLK01, 0), \ CLK_SR_DCN401(CLK0_CLK1_DFS_CNTL, CLK01, 0), \ CLK_SR_DCN401(CLK0_CLK2_DFS_CNTL, CLK01, 0), \ CLK_SR_DCN401(CLK0_CLK3_DFS_CNTL, CLK01, 0), \ CLK_SR_DCN401(CLK0_CLK4_DFS_CNTL, CLK01, 0), \ CLK_SR_DCN401(CLK2_CLK2_DFS_CNTL, CLK20, 0) #define CLK_COMMON_MASK_SH_LIST_DCN401(mask_sh) \ CLK_COMMON_MASK_SH_LIST_DCN321(mask_sh) #define CLK_REG_FIELD_LIST(type) \ type DPREFCLK_SRC_SEL; \ type DENTIST_DPREFCLK_WDIVIDER; \ type DENTIST_DISPCLK_WDIVIDER; \ type DENTIST_DISPCLK_CHG_DONE; #define CLK20_REG_FIELD_LIST(type) \ type DENTIST_DPPCLK_WDIVIDER; \ type DENTIST_DPPCLK_CHG_DONE; \ type FbMult_int; \ type FbMult_frac; /* *************************************************************************************** ****************** Clock Manager Private Structures *********************************** *************************************************************************************** */ struct clk_mgr_registers { uint32_t DPREFCLK_CNTL; uint32_t DENTIST_DISPCLK_CNTL; uint32_t CLK4_CLK2_CURRENT_CNT; uint32_t CLK4_CLK_PLL_REQ; uint32_t CLK4_CLK0_CURRENT_CNT; uint32_t CLK3_CLK2_DFS_CNTL; uint32_t CLK3_CLK_PLL_REQ; uint32_t CLK0_CLK2_DFS_CNTL; uint32_t CLK0_CLK_PLL_REQ; uint32_t CLK1_CLK_PLL_REQ; uint32_t CLK1_CLK0_DFS_CNTL; uint32_t CLK1_CLK1_DFS_CNTL; uint32_t CLK1_CLK2_DFS_CNTL; uint32_t CLK1_CLK3_DFS_CNTL; uint32_t CLK1_CLK4_DFS_CNTL; uint32_t CLK2_CLK2_DFS_CNTL; uint32_t CLK1_CLK0_CURRENT_CNT; uint32_t CLK1_CLK1_CURRENT_CNT; uint32_t CLK1_CLK2_CURRENT_CNT; uint32_t CLK1_CLK3_CURRENT_CNT; uint32_t CLK1_CLK4_CURRENT_CNT; uint32_t CLK0_CLK0_DFS_CNTL; uint32_t CLK0_CLK1_DFS_CNTL; uint32_t CLK0_CLK3_DFS_CNTL; uint32_t CLK0_CLK4_DFS_CNTL; }; struct clk_mgr_shift { CLK_REG_FIELD_LIST(uint8_t) CLK20_REG_FIELD_LIST(uint8_t) }; struct clk_mgr_mask { CLK_REG_FIELD_LIST(uint32_t) CLK20_REG_FIELD_LIST(uint32_t) }; enum clock_type { clock_type_dispclk = 1, clock_type_dcfclk, clock_type_socclk, clock_type_pixelclk, clock_type_phyclk, clock_type_dppclk, clock_type_fclk, clock_type_dcfdsclk, clock_type_dscclk, clock_type_uclk, clock_type_dramclk, }; struct state_dependent_clocks { int display_clk_khz; int pixel_clk_khz; }; struct clk_mgr_internal { struct clk_mgr base; int smu_ver; struct pp_smu_funcs *pp_smu; struct clk_mgr_internal_funcs *funcs; struct dccg *dccg; /* * For backwards compatbility with previous implementation * TODO: remove these after everything transitions to new pattern * Rationale is that clk registers change a lot across DCE versions * and a shared data structure doesn't really make sense. */ const struct clk_mgr_registers *regs; const struct clk_mgr_shift *clk_mgr_shift; const struct clk_mgr_mask *clk_mgr_mask; struct state_dependent_clocks max_clks_by_state[DM_PP_CLOCKS_MAX_STATES]; /*TODO: figure out which of the below fields should be here vs in asic specific portion */ /* Cache the status of DFS-bypass feature*/ bool dfs_bypass_enabled; /* True if the DFS-bypass feature is enabled and active. */ bool dfs_bypass_active; uint32_t dfs_ref_freq_khz; /* * Cache the display clock returned by VBIOS if DFS-bypass is enabled. * This is basically "Crystal Frequency In KHz" (XTALIN) frequency */ int dfs_bypass_disp_clk; /** * @ss_on_dprefclk: * * True if spread spectrum is enabled on the DP ref clock. */ bool ss_on_dprefclk; /** * @xgmi_enabled: * * True if xGMI is enabled. On VG20, both audio and display clocks need * to be adjusted with the WAFL link's SS info if xGMI is enabled. */ bool xgmi_enabled; /** * @dprefclk_ss_percentage: * * DPREFCLK SS percentage (if down-spread enabled). * * Note that if XGMI is enabled, the SS info (percentage and divider) * from the WAFL link is used instead. This is decided during * dce_clk_mgr initialization. */ int dprefclk_ss_percentage; /** * @dprefclk_ss_divider: * * DPREFCLK SS percentage Divider (100 or 1000). */ int dprefclk_ss_divider; enum dm_pp_clocks_state max_clks_state; enum dm_pp_clocks_state cur_min_clks_state; bool periodic_retraining_disabled; unsigned int cur_phyclk_req_table[MAX_LINKS]; bool smu_present; void *wm_range_table; long long wm_range_table_addr; bool dpm_present; bool pme_trigger_pending; }; struct clk_mgr_internal_funcs { int (*set_dispclk)(struct clk_mgr_internal *clk_mgr, int requested_dispclk_khz); int (*set_dprefclk)(struct clk_mgr_internal *clk_mgr); }; /* *************************************************************************************** ****************** Clock Manager Level Helper functions ******************************* *************************************************************************************** */ static inline bool should_set_clock(bool safe_to_lower, int calc_clk, int cur_clk) { return ((safe_to_lower && calc_clk < cur_clk) || calc_clk > cur_clk); } static inline bool should_update_pstate_support(bool safe_to_lower, bool calc_support, bool cur_support) { if (cur_support != calc_support) { if (calc_support && safe_to_lower) return true; else if (!calc_support && !safe_to_lower) return true; } return false; } static inline int khz_to_mhz_ceil(int khz) { return (khz + 999) / 1000; } static inline int khz_to_mhz_floor(int khz) { return khz / 1000; } int clk_mgr_helper_get_active_display_cnt( struct dc *dc, struct dc_state *context); int clk_mgr_helper_get_active_plane_cnt( struct dc *dc, struct dc_state *context); #endif //__DAL_CLK_MGR_INTERNAL_H__