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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__
#include <drm/amd_asic_type.h>
#define AMD_MAX_USEC_TIMEOUT 200000 /* 200 ms */
/*
* 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_PSP,
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,
AMD_IP_BLOCK_TYPE_ACP,
AMD_IP_BLOCK_TYPE_VCN
};
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,
};
/* CG flags */
#define AMD_CG_SUPPORT_GFX_MGCG (1 << 0)
#define AMD_CG_SUPPORT_GFX_MGLS (1 << 1)
#define AMD_CG_SUPPORT_GFX_CGCG (1 << 2)
#define AMD_CG_SUPPORT_GFX_CGLS (1 << 3)
#define AMD_CG_SUPPORT_GFX_CGTS (1 << 4)
#define AMD_CG_SUPPORT_GFX_CGTS_LS (1 << 5)
#define AMD_CG_SUPPORT_GFX_CP_LS (1 << 6)
#define AMD_CG_SUPPORT_GFX_RLC_LS (1 << 7)
#define AMD_CG_SUPPORT_MC_LS (1 << 8)
#define AMD_CG_SUPPORT_MC_MGCG (1 << 9)
#define AMD_CG_SUPPORT_SDMA_LS (1 << 10)
#define AMD_CG_SUPPORT_SDMA_MGCG (1 << 11)
#define AMD_CG_SUPPORT_BIF_LS (1 << 12)
#define AMD_CG_SUPPORT_UVD_MGCG (1 << 13)
#define AMD_CG_SUPPORT_VCE_MGCG (1 << 14)
#define AMD_CG_SUPPORT_HDP_LS (1 << 15)
#define AMD_CG_SUPPORT_HDP_MGCG (1 << 16)
#define AMD_CG_SUPPORT_ROM_MGCG (1 << 17)
#define AMD_CG_SUPPORT_DRM_LS (1 << 18)
#define AMD_CG_SUPPORT_BIF_MGCG (1 << 19)
#define AMD_CG_SUPPORT_GFX_3D_CGCG (1 << 20)
#define AMD_CG_SUPPORT_GFX_3D_CGLS (1 << 21)
#define AMD_CG_SUPPORT_DRM_MGCG (1 << 22)
#define AMD_CG_SUPPORT_DF_MGCG (1 << 23)
/* PG flags */
#define AMD_PG_SUPPORT_GFX_PG (1 << 0)
#define AMD_PG_SUPPORT_GFX_SMG (1 << 1)
#define AMD_PG_SUPPORT_GFX_DMG (1 << 2)
#define AMD_PG_SUPPORT_UVD (1 << 3)
#define AMD_PG_SUPPORT_VCE (1 << 4)
#define AMD_PG_SUPPORT_CP (1 << 5)
#define AMD_PG_SUPPORT_GDS (1 << 6)
#define AMD_PG_SUPPORT_RLC_SMU_HS (1 << 7)
#define AMD_PG_SUPPORT_SDMA (1 << 8)
#define AMD_PG_SUPPORT_ACP (1 << 9)
#define AMD_PG_SUPPORT_SAMU (1 << 10)
#define AMD_PG_SUPPORT_GFX_QUICK_MG (1 << 11)
#define AMD_PG_SUPPORT_GFX_PIPELINE (1 << 12)
#define AMD_PG_SUPPORT_MMHUB (1 << 13)
struct amd_ip_funcs {
/* Name of IP block */
char *name;
/* 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);
void (*late_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);
/* check soft reset the IP block */
bool (*check_soft_reset)(void *handle);
/* pre soft reset the IP block */
int (*pre_soft_reset)(void *handle);
/* soft reset the IP block */
int (*soft_reset)(void *handle);
/* post soft reset the IP block */
int (*post_soft_reset)(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);
/* get current clockgating status */
void (*get_clockgating_state)(void *handle, u32 *flags);
};
#endif /* __AMD_SHARED_H__ */
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