linux/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.h
Alex Deucher d39d5c2c9d drm/amd/powerplay: add atomctrl function to calculate CZ sclk dividers
Use atombios to calculate the values.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-12-21 16:42:37 -05:00

247 lines
10 KiB
C

/*
* Copyright 2015 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.
*
*/
#ifndef PP_ATOMVOLTAGECTRL_H
#define PP_ATOMVOLTAGECTRL_H
#include "hwmgr.h"
#define MEM_TYPE_GDDR5 0x50
#define MEM_TYPE_GDDR4 0x40
#define MEM_TYPE_GDDR3 0x30
#define MEM_TYPE_DDR2 0x20
#define MEM_TYPE_GDDR1 0x10
#define MEM_TYPE_DDR3 0xb0
#define MEM_TYPE_MASK 0xF0
/* As returned from PowerConnectorDetectionTable. */
#define PP_ATOM_POWER_BUDGET_DISABLE_OVERDRIVE 0x80
#define PP_ATOM_POWER_BUDGET_SHOW_WARNING 0x40
#define PP_ATOM_POWER_BUDGET_SHOW_WAIVER 0x20
#define PP_ATOM_POWER_POWER_BUDGET_BEHAVIOUR 0x0F
/* New functions for Evergreen and beyond. */
#define PP_ATOMCTRL_MAX_VOLTAGE_ENTRIES 32
struct pp_atomctrl_clock_dividers {
uint32_t pll_post_divider;
uint32_t pll_feedback_divider;
uint32_t pll_ref_divider;
bool enable_post_divider;
};
typedef struct pp_atomctrl_clock_dividers pp_atomctrl_clock_dividers;
union pp_atomctrl_tcipll_fb_divider {
struct {
uint32_t ul_fb_div_frac : 14;
uint32_t ul_fb_div : 12;
uint32_t un_used : 6;
};
uint32_t ul_fb_divider;
};
typedef union pp_atomctrl_tcipll_fb_divider pp_atomctrl_tcipll_fb_divider;
struct pp_atomctrl_clock_dividers_rv730 {
uint32_t pll_post_divider;
pp_atomctrl_tcipll_fb_divider mpll_feedback_divider;
uint32_t pll_ref_divider;
bool enable_post_divider;
bool enable_dithen;
uint32_t vco_mode;
};
typedef struct pp_atomctrl_clock_dividers_rv730 pp_atomctrl_clock_dividers_rv730;
struct pp_atomctrl_clock_dividers_kong {
uint32_t pll_post_divider;
uint32_t real_clock;
};
typedef struct pp_atomctrl_clock_dividers_kong pp_atomctrl_clock_dividers_kong;
struct pp_atomctrl_clock_dividers_ci {
uint32_t pll_post_divider; /* post divider value */
uint32_t real_clock;
pp_atomctrl_tcipll_fb_divider ul_fb_div; /* Output Parameter: PLL FB divider */
uint8_t uc_pll_ref_div; /* Output Parameter: PLL ref divider */
uint8_t uc_pll_post_div; /* Output Parameter: PLL post divider */
uint8_t uc_pll_cntl_flag; /*Output Flags: control flag */
};
typedef struct pp_atomctrl_clock_dividers_ci pp_atomctrl_clock_dividers_ci;
struct pp_atomctrl_clock_dividers_vi {
uint32_t pll_post_divider; /* post divider value */
uint32_t real_clock;
pp_atomctrl_tcipll_fb_divider ul_fb_div; /*Output Parameter: PLL FB divider */
uint8_t uc_pll_ref_div; /*Output Parameter: PLL ref divider */
uint8_t uc_pll_post_div; /*Output Parameter: PLL post divider */
uint8_t uc_pll_cntl_flag; /*Output Flags: control flag */
};
typedef struct pp_atomctrl_clock_dividers_vi pp_atomctrl_clock_dividers_vi;
union pp_atomctrl_s_mpll_fb_divider {
struct {
uint32_t cl_kf : 12;
uint32_t clk_frac : 12;
uint32_t un_used : 8;
};
uint32_t ul_fb_divider;
};
typedef union pp_atomctrl_s_mpll_fb_divider pp_atomctrl_s_mpll_fb_divider;
enum pp_atomctrl_spread_spectrum_mode {
pp_atomctrl_spread_spectrum_mode_down = 0,
pp_atomctrl_spread_spectrum_mode_center
};
typedef enum pp_atomctrl_spread_spectrum_mode pp_atomctrl_spread_spectrum_mode;
struct pp_atomctrl_memory_clock_param {
pp_atomctrl_s_mpll_fb_divider mpll_fb_divider;
uint32_t mpll_post_divider;
uint32_t bw_ctrl;
uint32_t dll_speed;
uint32_t vco_mode;
uint32_t yclk_sel;
uint32_t qdr;
uint32_t half_rate;
};
typedef struct pp_atomctrl_memory_clock_param pp_atomctrl_memory_clock_param;
struct pp_atomctrl_internal_ss_info {
uint32_t speed_spectrum_percentage; /* in 1/100 percentage */
uint32_t speed_spectrum_rate; /* in KHz */
pp_atomctrl_spread_spectrum_mode speed_spectrum_mode;
};
typedef struct pp_atomctrl_internal_ss_info pp_atomctrl_internal_ss_info;
#ifndef NUMBER_OF_M3ARB_PARAMS
#define NUMBER_OF_M3ARB_PARAMS 3
#endif
#ifndef NUMBER_OF_M3ARB_PARAM_SETS
#define NUMBER_OF_M3ARB_PARAM_SETS 10
#endif
struct pp_atomctrl_kong_system_info {
uint32_t ul_bootup_uma_clock; /* in 10kHz unit */
uint16_t us_max_nb_voltage; /* high NB voltage, calculated using current VDDNB (D24F2xDC) and VDDNB offset fuse; */
uint16_t us_min_nb_voltage; /* low NB voltage, calculated using current VDDNB (D24F2xDC) and VDDNB offset fuse; */
uint16_t us_bootup_nb_voltage; /* boot up NB voltage */
uint8_t uc_htc_tmp_lmt; /* bit [22:16] of D24F3x64 Hardware Thermal Control (HTC) Register, may not be needed, TBD */
uint8_t uc_tj_offset; /* bit [28:22] of D24F3xE4 Thermtrip Status Register,may not be needed, TBD */
/* 0: default 1: uvd 2: fs-3d */
uint32_t ul_csr_m3_srb_cntl[NUMBER_OF_M3ARB_PARAM_SETS][NUMBER_OF_M3ARB_PARAMS];/* arrays with values for CSR M3 arbiter for default */
};
typedef struct pp_atomctrl_kong_system_info pp_atomctrl_kong_system_info;
struct pp_atomctrl_memory_info {
uint8_t memory_vendor;
uint8_t memory_type;
};
typedef struct pp_atomctrl_memory_info pp_atomctrl_memory_info;
#define MAX_AC_TIMING_ENTRIES 16
struct pp_atomctrl_memory_clock_range_table {
uint8_t num_entries;
uint8_t rsv[3];
uint32_t mclk[MAX_AC_TIMING_ENTRIES];
};
typedef struct pp_atomctrl_memory_clock_range_table pp_atomctrl_memory_clock_range_table;
struct pp_atomctrl_voltage_table_entry {
uint16_t value;
uint32_t smio_low;
};
typedef struct pp_atomctrl_voltage_table_entry pp_atomctrl_voltage_table_entry;
struct pp_atomctrl_voltage_table {
uint32_t count;
uint32_t mask_low;
uint32_t phase_delay; /* Used for ATOM_GPIO_VOLTAGE_OBJECT_V3 and later */
pp_atomctrl_voltage_table_entry entries[PP_ATOMCTRL_MAX_VOLTAGE_ENTRIES];
};
typedef struct pp_atomctrl_voltage_table pp_atomctrl_voltage_table;
#define VBIOS_MC_REGISTER_ARRAY_SIZE 32
#define VBIOS_MAX_AC_TIMING_ENTRIES 20
struct pp_atomctrl_mc_reg_entry {
uint32_t mclk_max;
uint32_t mc_data[VBIOS_MC_REGISTER_ARRAY_SIZE];
};
typedef struct pp_atomctrl_mc_reg_entry pp_atomctrl_mc_reg_entry;
struct pp_atomctrl_mc_register_address {
uint16_t s1;
uint8_t uc_pre_reg_data;
};
typedef struct pp_atomctrl_mc_register_address pp_atomctrl_mc_register_address;
struct pp_atomctrl_mc_reg_table {
uint8_t last; /* number of registers */
uint8_t num_entries; /* number of AC timing entries */
pp_atomctrl_mc_reg_entry mc_reg_table_entry[VBIOS_MAX_AC_TIMING_ENTRIES];
pp_atomctrl_mc_register_address mc_reg_address[VBIOS_MC_REGISTER_ARRAY_SIZE];
};
typedef struct pp_atomctrl_mc_reg_table pp_atomctrl_mc_reg_table;
struct pp_atomctrl_gpio_pin_assignment {
uint16_t us_gpio_pin_aindex;
uint8_t uc_gpio_pin_bit_shift;
};
typedef struct pp_atomctrl_gpio_pin_assignment pp_atomctrl_gpio_pin_assignment;
extern bool atomctrl_get_pp_assign_pin(struct pp_hwmgr *hwmgr, const uint32_t pinId, pp_atomctrl_gpio_pin_assignment *gpio_pin_assignment);
extern int atomctrl_get_voltage_evv_on_sclk(struct pp_hwmgr *hwmgr, uint8_t voltage_type, uint32_t sclk, uint16_t virtual_voltage_Id, uint16_t *voltage);
extern uint32_t atomctrl_get_mpll_reference_clock(struct pp_hwmgr *hwmgr);
extern int atomctrl_get_memory_clock_spread_spectrum(struct pp_hwmgr *hwmgr, const uint32_t memory_clock, pp_atomctrl_internal_ss_info *ssInfo);
extern int atomctrl_get_engine_clock_spread_spectrum(struct pp_hwmgr *hwmgr, const uint32_t engine_clock, pp_atomctrl_internal_ss_info *ssInfo);
extern int atomctrl_initialize_mc_reg_table(struct pp_hwmgr *hwmgr, uint8_t module_index, pp_atomctrl_mc_reg_table *table);
extern int atomctrl_set_engine_dram_timings_rv770(struct pp_hwmgr *hwmgr, uint32_t engine_clock, uint32_t memory_clock);
extern uint32_t atomctrl_get_reference_clock(struct pp_hwmgr *hwmgr);
extern int atomctrl_get_memory_pll_dividers_si(struct pp_hwmgr *hwmgr, uint32_t clock_value, pp_atomctrl_memory_clock_param *mpll_param, bool strobe_mode);
extern int atomctrl_get_engine_pll_dividers_vi(struct pp_hwmgr *hwmgr, uint32_t clock_value, pp_atomctrl_clock_dividers_vi *dividers);
extern int atomctrl_get_dfs_pll_dividers_vi(struct pp_hwmgr *hwmgr, uint32_t clock_value, pp_atomctrl_clock_dividers_vi *dividers);
extern bool atomctrl_is_voltage_controled_by_gpio_v3(struct pp_hwmgr *hwmgr, uint8_t voltage_type, uint8_t voltage_mode);
extern int atomctrl_get_voltage_table_v3(struct pp_hwmgr *hwmgr, uint8_t voltage_type, uint8_t voltage_mode, pp_atomctrl_voltage_table *voltage_table);
extern int atomctrl_get_memory_pll_dividers_vi(struct pp_hwmgr *hwmgr,
uint32_t clock_value, pp_atomctrl_memory_clock_param *mpll_param);
extern int atomctrl_get_engine_pll_dividers_kong(struct pp_hwmgr *hwmgr,
uint32_t clock_value,
pp_atomctrl_clock_dividers_kong *dividers);
extern int atomctrl_read_efuse(void *device, uint16_t start_index,
uint16_t end_index, uint32_t mask, uint32_t *efuse);
extern int atomctrl_calculate_voltage_evv_on_sclk(struct pp_hwmgr *hwmgr, uint8_t voltage_type,
uint32_t sclk, uint16_t virtual_voltage_Id, uint16_t *voltage, uint16_t dpm_level, bool debug);
#endif