cregit-Linux how code gets into the kernel

Release 4.11 drivers/gpu/drm/amd/powerplay/inc/smumgr.h

/*
 * 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 _SMUMGR_H_

#define _SMUMGR_H_
#include <linux/types.h>
#include "pp_instance.h"
#include "amd_powerplay.h"

struct pp_smumgr;
struct pp_instance;
struct pp_hwmgr;


#define smu_lower_32_bits(n) ((uint32_t)(n))

#define smu_upper_32_bits(n) ((uint32_t)(((n)>>16)>>16))

extern const struct pp_smumgr_func cz_smu_funcs;
extern const struct pp_smumgr_func iceland_smu_funcs;
extern const struct pp_smumgr_func tonga_smu_funcs;
extern const struct pp_smumgr_func fiji_smu_funcs;
extern const struct pp_smumgr_func polaris10_smu_funcs;


enum AVFS_BTC_STATUS {
	
AVFS_BTC_BOOT = 0,
	
AVFS_BTC_BOOT_STARTEDSMU,
	
AVFS_LOAD_VIRUS,
	
AVFS_BTC_VIRUS_LOADED,
	
AVFS_BTC_VIRUS_FAIL,
	
AVFS_BTC_COMPLETED_PREVIOUSLY,
	
AVFS_BTC_ENABLEAVFS,
	
AVFS_BTC_STARTED,
	
AVFS_BTC_FAILED,
	
AVFS_BTC_RESTOREVFT_FAILED,
	
AVFS_BTC_SAVEVFT_FAILED,
	
AVFS_BTC_DPMTABLESETUP_FAILED,
	
AVFS_BTC_COMPLETED_UNSAVED,
	
AVFS_BTC_COMPLETED_SAVED,
	
AVFS_BTC_COMPLETED_RESTORED,
	
AVFS_BTC_DISABLED,
	
AVFS_BTC_NOTSUPPORTED,
	
AVFS_BTC_SMUMSG_ERROR
};


enum SMU_TABLE {
	
SMU_UVD_TABLE = 0,
	
SMU_VCE_TABLE,
	
SMU_SAMU_TABLE,
	
SMU_BIF_TABLE,
};


enum SMU_TYPE {
	
SMU_SoftRegisters = 0,
	
SMU_Discrete_DpmTable,
};


enum SMU_MEMBER {
	
HandshakeDisables = 0,
	
VoltageChangeTimeout,
	
AverageGraphicsActivity,
	
PreVBlankGap,
	
VBlankTimeout,
	
UcodeLoadStatus,
	
UvdBootLevel,
	
VceBootLevel,
	
SamuBootLevel,
	
LowSclkInterruptThreshold,
};



enum SMU_MAC_DEFINITION {
	
SMU_MAX_LEVELS_GRAPHICS = 0,
	
SMU_MAX_LEVELS_MEMORY,
	
SMU_MAX_LEVELS_LINK,
	
SMU_MAX_ENTRIES_SMIO,
	
SMU_MAX_LEVELS_VDDC,
	
SMU_MAX_LEVELS_VDDGFX,
	
SMU_MAX_LEVELS_VDDCI,
	
SMU_MAX_LEVELS_MVDD,
	
SMU_UVD_MCLK_HANDSHAKE_DISABLE,
};



struct pp_smumgr_func {
	
int (*smu_init)(struct pp_smumgr *smumgr);
	
int (*smu_fini)(struct pp_smumgr *smumgr);
	
int (*start_smu)(struct pp_smumgr *smumgr);
	
int (*check_fw_load_finish)(struct pp_smumgr *smumgr,
				    uint32_t firmware);
	
int (*request_smu_load_fw)(struct pp_smumgr *smumgr);
	
int (*request_smu_load_specific_fw)(struct pp_smumgr *smumgr,
					    uint32_t firmware);
	
int (*get_argument)(struct pp_smumgr *smumgr);
	
int (*send_msg_to_smc)(struct pp_smumgr *smumgr, uint16_t msg);
	
int (*send_msg_to_smc_with_parameter)(struct pp_smumgr *smumgr,
					  uint16_t msg, uint32_t parameter);
	
int (*download_pptable_settings)(struct pp_smumgr *smumgr,
					 void **table);
	
int (*upload_pptable_settings)(struct pp_smumgr *smumgr);
	
int (*update_smc_table)(struct pp_hwmgr *hwmgr, uint32_t type);
	
int (*process_firmware_header)(struct pp_hwmgr *hwmgr);
	
int (*update_sclk_threshold)(struct pp_hwmgr *hwmgr);
	
int (*thermal_setup_fan_table)(struct pp_hwmgr *hwmgr);
	
int (*thermal_avfs_enable)(struct pp_hwmgr *hwmgr);
	
int (*init_smc_table)(struct pp_hwmgr *hwmgr);
	
int (*populate_all_graphic_levels)(struct pp_hwmgr *hwmgr);
	
int (*populate_all_memory_levels)(struct pp_hwmgr *hwmgr);
	
int (*initialize_mc_reg_table)(struct pp_hwmgr *hwmgr);
	
uint32_t (*get_offsetof)(uint32_t type, uint32_t member);
	
uint32_t (*get_mac_definition)(uint32_t value);
	
bool (*is_dpm_running)(struct pp_hwmgr *hwmgr);
};


struct pp_smumgr {
	
uint32_t chip_family;
	
uint32_t chip_id;
	
void *device;
	
void *backend;
	
uint32_t usec_timeout;
	
bool reload_fw;
	
const struct pp_smumgr_func *smumgr_funcs;
	
bool is_kicker;
};

extern int smum_early_init(struct pp_instance *handle);

extern int smum_get_argument(struct pp_smumgr *smumgr);

extern int smum_download_powerplay_table(struct pp_smumgr *smumgr, void **table);

extern int smum_upload_powerplay_table(struct pp_smumgr *smumgr);

extern int smum_send_msg_to_smc(struct pp_smumgr *smumgr, uint16_t msg);

extern int smum_send_msg_to_smc_with_parameter(struct pp_smumgr *smumgr,
					uint16_t msg, uint32_t parameter);

extern int smum_wait_on_register(struct pp_smumgr *smumgr,
				uint32_t index, uint32_t value, uint32_t mask);

extern int smum_wait_for_register_unequal(struct pp_smumgr *smumgr,
				uint32_t index, uint32_t value, uint32_t mask);

extern int smum_wait_on_indirect_register(struct pp_smumgr *smumgr,
				uint32_t indirect_port, uint32_t index,
				uint32_t value, uint32_t mask);


extern void smum_wait_for_indirect_register_unequal(
				struct pp_smumgr *smumgr,
				uint32_t indirect_port, uint32_t index,
				uint32_t value, uint32_t mask);

extern int smu_allocate_memory(void *device, uint32_t size,
			 enum cgs_gpu_mem_type type,
			 uint32_t byte_align, uint64_t *mc_addr,
			 void **kptr, void *handle);

extern int smu_free_memory(void *device, void *handle);
extern int smum_update_sclk_threshold(struct pp_hwmgr *hwmgr);

extern int smum_update_smc_table(struct pp_hwmgr *hwmgr, uint32_t type);
extern int smum_process_firmware_header(struct pp_hwmgr *hwmgr);
extern int smum_thermal_avfs_enable(struct pp_hwmgr *hwmgr,
		void *input, void *output, void *storage, int result);
extern int smum_thermal_setup_fan_table(struct pp_hwmgr *hwmgr,
		void *input, void *output, void *storage, int result);
extern int smum_init_smc_table(struct pp_hwmgr *hwmgr);
extern int smum_populate_all_graphic_levels(struct pp_hwmgr *hwmgr);
extern int smum_populate_all_memory_levels(struct pp_hwmgr *hwmgr);
extern int smum_initialize_mc_reg_table(struct pp_hwmgr *hwmgr);
extern uint32_t smum_get_offsetof(struct pp_smumgr *smumgr,
				uint32_t type, uint32_t member);
extern uint32_t smum_get_mac_definition(struct pp_smumgr *smumgr, uint32_t value);

extern bool smum_is_dpm_running(struct pp_hwmgr *hwmgr);


#define SMUM_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT


#define SMUM_FIELD_MASK(reg, field) reg##__##field##_MASK


#define SMUM_WAIT_INDIRECT_REGISTER_GIVEN_INDEX(smumgr,                       \
					port, index, value, mask)	\
	smum_wait_on_indirect_register(smumgr,                          \
                                mm##port##_INDEX, index, value, mask)


#define SMUM_WAIT_INDIRECT_REGISTER(smumgr, port, reg, value, mask)    \
	    SMUM_WAIT_INDIRECT_REGISTER_GIVEN_INDEX(smumgr, port, ix##reg, value, mask)


#define SMUM_WAIT_INDIRECT_FIELD(smumgr, port, reg, field, fieldval)                          \
	    SMUM_WAIT_INDIRECT_REGISTER(smumgr, port, reg, (fieldval) << SMUM_FIELD_SHIFT(reg, field), \
                                    SMUM_FIELD_MASK(reg, field) )


#define SMUM_WAIT_REGISTER_UNEQUAL_GIVEN_INDEX(smumgr,         \
							index, value, mask) \
		smum_wait_for_register_unequal(smumgr,            \
                                        index, value, mask)


#define SMUM_WAIT_REGISTER_UNEQUAL(smumgr, reg, value, mask)		\
	SMUM_WAIT_REGISTER_UNEQUAL_GIVEN_INDEX(smumgr,                  \
                                mm##reg, value, mask)


#define SMUM_WAIT_FIELD_UNEQUAL(smumgr, reg, field, fieldval)		\
	SMUM_WAIT_REGISTER_UNEQUAL(smumgr, reg,                         \
                (fieldval) << SMUM_FIELD_SHIFT(reg, field),             \
                SMUM_FIELD_MASK(reg, field))


#define SMUM_GET_FIELD(value, reg, field)				\
		(((value) & SMUM_FIELD_MASK(reg, field))                \
                >> SMUM_FIELD_SHIFT(reg, field))


#define SMUM_READ_FIELD(device, reg, field)                           \
		SMUM_GET_FIELD(cgs_read_register(device, mm##reg), reg, field)


#define SMUM_SET_FIELD(value, reg, field, field_val)                  \
		(((value) & ~SMUM_FIELD_MASK(reg, field)) |                    \
                (SMUM_FIELD_MASK(reg, field) & ((field_val) <<                 \
                        SMUM_FIELD_SHIFT(reg, field))))


#define SMUM_READ_INDIRECT_FIELD(device, port, reg, field) \
	    SMUM_GET_FIELD(cgs_read_ind_register(device, port, ix##reg), \
                           reg, field)


#define SMUM_WAIT_VFPF_INDIRECT_REGISTER_GIVEN_INDEX(smumgr,               \
				port, index, value, mask)		\
	smum_wait_on_indirect_register(smumgr,                          \
                mm##port##_INDEX_0, index, value, mask)


#define SMUM_WAIT_VFPF_INDIRECT_REGISTER_UNEQUAL_GIVEN_INDEX(smumgr,       \
				port, index, value, mask)		\
	smum_wait_for_indirect_register_unequal(smumgr,                 \
                mm##port##_INDEX_0, index, value, mask)



#define SMUM_WAIT_VFPF_INDIRECT_REGISTER(smumgr, port, reg, value, mask) \
	SMUM_WAIT_VFPF_INDIRECT_REGISTER_GIVEN_INDEX(smumgr, port, ix##reg, value, mask)


#define SMUM_WAIT_VFPF_INDIRECT_REGISTER_UNEQUAL(smumgr, port, reg, value, mask)     \
		SMUM_WAIT_VFPF_INDIRECT_REGISTER_UNEQUAL_GIVEN_INDEX(smumgr, port, ix##reg, value, mask)


/*Operations on named fields.*/


#define SMUM_READ_VFPF_INDIRECT_FIELD(device, port, reg, field) \
		SMUM_GET_FIELD(cgs_read_ind_register(device, port, ix##reg), \
                        reg, field)


#define SMUM_WRITE_FIELD(device, reg, field, fieldval)            \
		cgs_write_register(device, mm##reg, \
                SMUM_SET_FIELD(cgs_read_register(device, mm##reg), reg, field, fieldval))


#define SMUM_WRITE_VFPF_INDIRECT_FIELD(device, port, reg, field, fieldval)    \
		cgs_write_ind_register(device, port, ix##reg, \
                        SMUM_SET_FIELD(cgs_read_ind_register(device, port, ix##reg), \
                        reg, field, fieldval))



#define SMUM_WRITE_INDIRECT_FIELD(device, port, reg, field, fieldval)    		\
		cgs_write_ind_register(device, port, ix##reg,                           \
                        SMUM_SET_FIELD(cgs_read_ind_register(device, port, ix##reg),    \
                                       reg, field, fieldval))



#define SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, port, reg, field, fieldval) \
	SMUM_WAIT_VFPF_INDIRECT_REGISTER(smumgr, port, reg,             \
                (fieldval) << SMUM_FIELD_SHIFT(reg, field),             \
                SMUM_FIELD_MASK(reg, field))


#define SMUM_WAIT_VFPF_INDIRECT_FIELD_UNEQUAL(smumgr, port, reg, field, fieldval) \
	SMUM_WAIT_VFPF_INDIRECT_REGISTER_UNEQUAL(smumgr, port, reg,     \
                (fieldval) << SMUM_FIELD_SHIFT(reg, field),             \
                SMUM_FIELD_MASK(reg, field))


#define SMUM_WAIT_INDIRECT_REGISTER_UNEQUAL_GIVEN_INDEX(smumgr, port, index, value, mask)    \
	smum_wait_for_indirect_register_unequal(smumgr,                 \
                mm##port##_INDEX, index, value, mask)


#define SMUM_WAIT_INDIRECT_REGISTER_UNEQUAL(smumgr, port, reg, value, mask)    \
	    SMUM_WAIT_INDIRECT_REGISTER_UNEQUAL_GIVEN_INDEX(smumgr, port, ix##reg, value, mask)


#define SMUM_WAIT_INDIRECT_FIELD_UNEQUAL(smumgr, port, reg, field, fieldval)                          \
	    SMUM_WAIT_INDIRECT_REGISTER_UNEQUAL(smumgr, port, reg, (fieldval) << SMUM_FIELD_SHIFT(reg, field), \
                                    SMUM_FIELD_MASK(reg, field) )

#endif

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