cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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smu_helper.h (9798B)


      1/*
      2 * Copyright 2018 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#ifndef _SMU_HELPER_H_
     24#define _SMU_HELPER_H_
     25
     26struct pp_atomctrl_voltage_table;
     27struct pp_hwmgr;
     28struct phm_ppt_v1_voltage_lookup_table;
     29struct Watermarks_t;
     30struct pp_wm_sets_with_clock_ranges_soc15;
     31
     32uint8_t convert_to_vid(uint16_t vddc);
     33uint16_t convert_to_vddc(uint8_t vid);
     34
     35struct watermark_row_generic_t {
     36	uint16_t MinClock;
     37	uint16_t MaxClock;
     38	uint16_t MinUclk;
     39	uint16_t MaxUclk;
     40
     41	uint8_t  WmSetting;
     42	uint8_t  Padding[3];
     43};
     44
     45struct watermarks {
     46	struct watermark_row_generic_t WatermarkRow[2][4];
     47	uint32_t     padding[7];
     48};
     49
     50int phm_copy_clock_limits_array(
     51	struct pp_hwmgr *hwmgr,
     52	uint32_t **pptable_info_array,
     53	const uint32_t *pptable_array,
     54	uint32_t power_saving_clock_count);
     55
     56int phm_copy_overdrive_settings_limits_array(
     57	struct pp_hwmgr *hwmgr,
     58	uint32_t **pptable_info_array,
     59	const uint32_t *pptable_array,
     60	uint32_t od_setting_count);
     61
     62extern int phm_wait_for_register_unequal(struct pp_hwmgr *hwmgr,
     63					uint32_t index,
     64					uint32_t value, uint32_t mask);
     65extern int phm_wait_for_indirect_register_unequal(
     66				struct pp_hwmgr *hwmgr,
     67				uint32_t indirect_port, uint32_t index,
     68				uint32_t value, uint32_t mask);
     69
     70
     71extern bool phm_cf_want_uvd_power_gating(struct pp_hwmgr *hwmgr);
     72extern bool phm_cf_want_vce_power_gating(struct pp_hwmgr *hwmgr);
     73extern bool phm_cf_want_microcode_fan_ctrl(struct pp_hwmgr *hwmgr);
     74
     75extern int phm_trim_voltage_table(struct pp_atomctrl_voltage_table *vol_table);
     76extern int phm_get_svi2_mvdd_voltage_table(struct pp_atomctrl_voltage_table *vol_table, phm_ppt_v1_clock_voltage_dependency_table *dep_table);
     77extern int phm_get_svi2_vddci_voltage_table(struct pp_atomctrl_voltage_table *vol_table, phm_ppt_v1_clock_voltage_dependency_table *dep_table);
     78extern int phm_get_svi2_vdd_voltage_table(struct pp_atomctrl_voltage_table *vol_table, phm_ppt_v1_voltage_lookup_table *lookup_table);
     79extern void phm_trim_voltage_table_to_fit_state_table(uint32_t max_vol_steps, struct pp_atomctrl_voltage_table *vol_table);
     80extern int phm_reset_single_dpm_table(void *table, uint32_t count, int max);
     81extern void phm_setup_pcie_table_entry(void *table, uint32_t index, uint32_t pcie_gen, uint32_t pcie_lanes);
     82extern int32_t phm_get_dpm_level_enable_mask_value(void *table);
     83extern uint8_t phm_get_voltage_id(struct pp_atomctrl_voltage_table *voltage_table,
     84		uint32_t voltage);
     85extern uint8_t phm_get_voltage_index(struct phm_ppt_v1_voltage_lookup_table *lookup_table, uint16_t voltage);
     86extern uint16_t phm_find_closest_vddci(struct pp_atomctrl_voltage_table *vddci_table, uint16_t vddci);
     87extern int phm_find_boot_level(void *table, uint32_t value, uint32_t *boot_level);
     88extern int phm_get_sclk_for_voltage_evv(struct pp_hwmgr *hwmgr, phm_ppt_v1_voltage_lookup_table *lookup_table,
     89								uint16_t virtual_voltage_id, int32_t *sclk);
     90extern int phm_initializa_dynamic_state_adjustment_rule_settings(struct pp_hwmgr *hwmgr);
     91extern uint32_t phm_get_lowest_enabled_level(struct pp_hwmgr *hwmgr, uint32_t mask);
     92extern void phm_apply_dal_min_voltage_request(struct pp_hwmgr *hwmgr);
     93
     94extern int phm_get_voltage_evv_on_sclk(struct pp_hwmgr *hwmgr, uint8_t voltage_type,
     95				uint32_t sclk, uint16_t id, uint16_t *voltage);
     96
     97extern uint32_t phm_set_field_to_u32(u32 offset, u32 original_data, u32 field, u32 size);
     98
     99extern int phm_wait_on_register(struct pp_hwmgr *hwmgr, uint32_t index,
    100				uint32_t value, uint32_t mask);
    101
    102extern int phm_wait_on_indirect_register(struct pp_hwmgr *hwmgr,
    103				uint32_t indirect_port,
    104				uint32_t index,
    105				uint32_t value,
    106				uint32_t mask);
    107
    108int phm_irq_process(struct amdgpu_device *adev,
    109			   struct amdgpu_irq_src *source,
    110			   struct amdgpu_iv_entry *entry);
    111
    112/*
    113 * Helper function to make sysfs_emit_at() happy. Align buf to
    114 * the current page boundary and record the offset.
    115 */
    116static inline void phm_get_sysfs_buf(char **buf, int *offset)
    117{
    118	if (!*buf || !offset)
    119		return;
    120
    121	*offset = offset_in_page(*buf);
    122	*buf -= *offset;
    123}
    124
    125int smu9_register_irq_handlers(struct pp_hwmgr *hwmgr);
    126
    127void *smu_atom_get_data_table(void *dev, uint32_t table, uint16_t *size,
    128						uint8_t *frev, uint8_t *crev);
    129
    130int smu_get_voltage_dependency_table_ppt_v1(
    131	const struct phm_ppt_v1_clock_voltage_dependency_table *allowed_dep_table,
    132		struct phm_ppt_v1_clock_voltage_dependency_table *dep_table);
    133
    134int smu_set_watermarks_for_clocks_ranges(void *wt_table,
    135		struct dm_pp_wm_sets_with_clock_ranges_soc15 *wm_with_clock_ranges);
    136
    137#define PHM_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
    138#define PHM_FIELD_MASK(reg, field) reg##__##field##_MASK
    139
    140#define PHM_SET_FIELD(origval, reg, field, fieldval)	\
    141	(((origval) & ~PHM_FIELD_MASK(reg, field)) |	\
    142	 (PHM_FIELD_MASK(reg, field) & ((fieldval) << PHM_FIELD_SHIFT(reg, field))))
    143
    144#define PHM_GET_FIELD(value, reg, field)	\
    145	(((value) & PHM_FIELD_MASK(reg, field)) >>	\
    146	 PHM_FIELD_SHIFT(reg, field))
    147
    148
    149/* Operations on named fields. */
    150
    151#define PHM_READ_FIELD(device, reg, field)	\
    152	PHM_GET_FIELD(cgs_read_register(device, mm##reg), reg, field)
    153
    154#define PHM_READ_INDIRECT_FIELD(device, port, reg, field)	\
    155	PHM_GET_FIELD(cgs_read_ind_register(device, port, ix##reg),	\
    156			reg, field)
    157
    158#define PHM_READ_VFPF_INDIRECT_FIELD(device, port, reg, field)	\
    159	PHM_GET_FIELD(cgs_read_ind_register(device, port, ix##reg),	\
    160			reg, field)
    161
    162#define PHM_WRITE_FIELD(device, reg, field, fieldval)	\
    163	cgs_write_register(device, mm##reg, PHM_SET_FIELD(	\
    164				cgs_read_register(device, mm##reg), reg, field, fieldval))
    165
    166#define PHM_WRITE_INDIRECT_FIELD(device, port, reg, field, fieldval)	\
    167	cgs_write_ind_register(device, port, ix##reg,	\
    168			PHM_SET_FIELD(cgs_read_ind_register(device, port, ix##reg),	\
    169				reg, field, fieldval))
    170
    171#define PHM_WRITE_VFPF_INDIRECT_FIELD(device, port, reg, field, fieldval)	\
    172	cgs_write_ind_register(device, port, ix##reg,	\
    173			PHM_SET_FIELD(cgs_read_ind_register(device, port, ix##reg),	\
    174				reg, field, fieldval))
    175
    176#define PHM_WAIT_INDIRECT_REGISTER_GIVEN_INDEX(hwmgr, port, index, value, mask)        \
    177       phm_wait_on_indirect_register(hwmgr, mm##port##_INDEX, index, value, mask)
    178
    179
    180#define PHM_WAIT_INDIRECT_REGISTER(hwmgr, port, reg, value, mask)      \
    181       PHM_WAIT_INDIRECT_REGISTER_GIVEN_INDEX(hwmgr, port, ix##reg, value, mask)
    182
    183#define PHM_WAIT_INDIRECT_FIELD(hwmgr, port, reg, field, fieldval)	\
    184	PHM_WAIT_INDIRECT_REGISTER(hwmgr, port, reg, (fieldval)	\
    185			<< PHM_FIELD_SHIFT(reg, field), PHM_FIELD_MASK(reg, field))
    186
    187#define PHM_WAIT_INDIRECT_REGISTER_UNEQUAL_GIVEN_INDEX(hwmgr, port, index, value, mask)    \
    188		phm_wait_for_indirect_register_unequal(hwmgr,                   \
    189				mm##port##_INDEX, index, value, mask)
    190
    191#define PHM_WAIT_INDIRECT_REGISTER_UNEQUAL(hwmgr, port, reg, value, mask)    \
    192		PHM_WAIT_INDIRECT_REGISTER_UNEQUAL_GIVEN_INDEX(hwmgr, port, ix##reg, value, mask)
    193
    194#define PHM_WAIT_INDIRECT_FIELD_UNEQUAL(hwmgr, port, reg, field, fieldval)                          \
    195		PHM_WAIT_INDIRECT_REGISTER_UNEQUAL(hwmgr, port, reg, \
    196				(fieldval) << PHM_FIELD_SHIFT(reg, field), \
    197					PHM_FIELD_MASK(reg, field) )
    198
    199
    200#define PHM_WAIT_VFPF_INDIRECT_REGISTER_UNEQUAL_GIVEN_INDEX(hwmgr,	\
    201				port, index, value, mask)		\
    202	phm_wait_for_indirect_register_unequal(hwmgr,			\
    203		mm##port##_INDEX_11, index, value, mask)
    204
    205#define PHM_WAIT_VFPF_INDIRECT_REGISTER_UNEQUAL(hwmgr, port, reg, value, mask)     \
    206		PHM_WAIT_VFPF_INDIRECT_REGISTER_UNEQUAL_GIVEN_INDEX(hwmgr, port, ix##reg, value, mask)
    207
    208#define PHM_WAIT_VFPF_INDIRECT_FIELD_UNEQUAL(hwmgr, port, reg, field, fieldval) \
    209	PHM_WAIT_VFPF_INDIRECT_REGISTER_UNEQUAL(hwmgr, port, reg,	\
    210		(fieldval) << PHM_FIELD_SHIFT(reg, field),		\
    211		PHM_FIELD_MASK(reg, field))
    212
    213
    214#define PHM_WAIT_VFPF_INDIRECT_REGISTER_GIVEN_INDEX(hwmgr,		\
    215				port, index, value, mask)		\
    216	phm_wait_on_indirect_register(hwmgr,				\
    217		mm##port##_INDEX_11, index, value, mask)
    218
    219#define PHM_WAIT_VFPF_INDIRECT_REGISTER(hwmgr, port, reg, value, mask) \
    220	PHM_WAIT_VFPF_INDIRECT_REGISTER_GIVEN_INDEX(hwmgr, port, ix##reg, value, mask)
    221
    222#define PHM_WAIT_VFPF_INDIRECT_FIELD(hwmgr, port, reg, field, fieldval) \
    223	PHM_WAIT_VFPF_INDIRECT_REGISTER(hwmgr, port, reg,		\
    224		(fieldval) << PHM_FIELD_SHIFT(reg, field),		\
    225		PHM_FIELD_MASK(reg, field))
    226
    227#define PHM_WAIT_REGISTER_UNEQUAL_GIVEN_INDEX(hwmgr,         \
    228							index, value, mask) \
    229		phm_wait_for_register_unequal(hwmgr,            \
    230					index, value, mask)
    231
    232#define PHM_WAIT_REGISTER_UNEQUAL(hwmgr, reg, value, mask)		\
    233	PHM_WAIT_REGISTER_UNEQUAL_GIVEN_INDEX(hwmgr,			\
    234				mm##reg, value, mask)
    235
    236#define PHM_WAIT_FIELD_UNEQUAL(hwmgr, reg, field, fieldval)		\
    237	PHM_WAIT_REGISTER_UNEQUAL(hwmgr, reg,				\
    238		(fieldval) << PHM_FIELD_SHIFT(reg, field),		\
    239		PHM_FIELD_MASK(reg, field))
    240
    241#endif /* _SMU_HELPER_H_ */