linux/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.h
Jammy Zhou 1060029fae drm/amd/powerplay: Add Tonga SMU support
The SMU manager handles firmware loading for other IP
blocks (GFX, SDMA, etc.).  This implements it for Tonga.

v3: delete peci sub-module
v2: use cgs interface directly

Signed-off-by: Young Yang <Young.Yang@amd.com>
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-12-21 16:42:14 -05:00

54 lines
1.9 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 _TONGA_SMUMGR_H_
#define _TONGA_SMUMGR_H_
struct tonga_buffer_entry {
uint32_t data_size;
uint32_t mc_addr_low;
uint32_t mc_addr_high;
void *kaddr;
unsigned long handle;
};
struct tonga_smumgr {
uint8_t *pHeader;
uint8_t *pMecImage;
uint32_t ulSoftRegsStart;
struct tonga_buffer_entry header_buffer;
struct tonga_buffer_entry smu_buffer;
};
extern int tonga_smum_init(struct pp_smumgr *smumgr);
extern int tonga_copy_bytes_to_smc(struct pp_smumgr *smumgr,
uint32_t smcStartAddress, const uint8_t *src,
uint32_t byteCount, uint32_t limit);
extern int tonga_read_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smcAddress,
uint32_t *value, uint32_t limit);
extern int tonga_write_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smcAddress,
uint32_t value, uint32_t limit);
#endif