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/*
* 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;
#define smu_lower_32_bits(n) ((uint32_t)(n))
#define smu_upper_32_bits(n) ((uint32_t)(((n)>>16)>>16))
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);
};
struct pp_smumgr {
uint32_t chip_family;
uint32_t chip_id;
uint32_t hw_revision;
void *device;
void *backend;
uint32_t usec_timeout;
bool reload_fw;
const struct pp_smumgr_func *smumgr_funcs;
};
extern int smum_init(struct amd_pp_init *pp_init,
struct pp_instance *handle);
extern int smum_fini(struct pp_smumgr *smumgr);
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);
#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_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_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_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))
#endif
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