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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 __AMD_SHARED_H__
#define __AMD_SHARED_H__
#define AMD_MAX_USEC_TIMEOUT 100000 /* 100 ms */
/*
* Supported GPU families (aligned with amdgpu_drm.h)
*/
#define AMD_FAMILY_UNKNOWN 0
#define AMD_FAMILY_CI 120 /* Bonaire, Hawaii */
#define AMD_FAMILY_KV 125 /* Kaveri, Kabini, Mullins */
#define AMD_FAMILY_VI 130 /* Iceland, Tonga */
#define AMD_FAMILY_CZ 135 /* Carrizo */
/*
* Supported ASIC types
*/
enum amd_asic_type {
CHIP_BONAIRE = 0,
CHIP_KAVERI,
CHIP_KABINI,
CHIP_HAWAII,
CHIP_MULLINS,
CHIP_TOPAZ,
CHIP_TONGA,
CHIP_FIJI,
CHIP_CARRIZO,
CHIP_STONEY,
CHIP_LAST,
};
/*
* Chip flags
*/
enum amd_chip_flags {
AMD_ASIC_MASK = 0x0000ffffUL,
AMD_FLAGS_MASK = 0xffff0000UL,
AMD_IS_MOBILITY = 0x00010000UL,
AMD_IS_APU = 0x00020000UL,
AMD_IS_PX = 0x00040000UL,
AMD_EXP_HW_SUPPORT = 0x00080000UL,
};
enum amd_ip_block_type {
AMD_IP_BLOCK_TYPE_COMMON,
AMD_IP_BLOCK_TYPE_GMC,
AMD_IP_BLOCK_TYPE_IH,
AMD_IP_BLOCK_TYPE_SMC,
AMD_IP_BLOCK_TYPE_DCE,
AMD_IP_BLOCK_TYPE_GFX,
AMD_IP_BLOCK_TYPE_SDMA,
AMD_IP_BLOCK_TYPE_UVD,
AMD_IP_BLOCK_TYPE_VCE,
};
enum amd_clockgating_state {
AMD_CG_STATE_GATE = 0,
AMD_CG_STATE_UNGATE,
};
enum amd_powergating_state {
AMD_PG_STATE_GATE = 0,
AMD_PG_STATE_UNGATE,
};
struct amd_ip_funcs {
/* sets up early driver state (pre sw_init), does not configure hw - Optional */
int (*early_init)(void *handle);
/* sets up late driver/hw state (post hw_init) - Optional */
int (*late_init)(void *handle);
/* sets up driver state, does not configure hw */
int (*sw_init)(void *handle);
/* tears down driver state, does not configure hw */
int (*sw_fini)(void *handle);
/* sets up the hw state */
int (*hw_init)(void *handle);
/* tears down the hw state */
int (*hw_fini)(void *handle);
/* handles IP specific hw/sw changes for suspend */
int (*suspend)(void *handle);
/* handles IP specific hw/sw changes for resume */
int (*resume)(void *handle);
/* returns current IP block idle status */
bool (*is_idle)(void *handle);
/* poll for idle */
int (*wait_for_idle)(void *handle);
/* soft reset the IP block */
int (*soft_reset)(void *handle);
/* dump the IP block status registers */
void (*print_status)(void *handle);
/* enable/disable cg for the IP block */
int (*set_clockgating_state)(void *handle,
enum amd_clockgating_state state);
/* enable/disable pg for the IP block */
int (*set_powergating_state)(void *handle,
enum amd_powergating_state state);
};
#endif /* __AMD_SHARED_H__ */
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