linux_dsm_epyc7002/drivers/gpu/drm/radeon/btcd.h
Alex Deucher 6596afd48a drm/radeon/kms: add dpm support for btc (v3)
This adds dpm support for btc asics.  This includes:
- clockgating
- dynamic engine clock scaling
- dynamic memory clock scaling
- dynamic voltage scaling
- dynamic pcie gen1/gen2 switching (requires additional acpi support)

Set radeon.dpm=1 to enable.

v2: reduce stack usage
v3: attempt to fix state enable

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27 19:15:44 -04:00

182 lines
7.8 KiB
C

/*
* Copyright 2010 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.
*
* Authors: Alex Deucher
*/
#ifndef _BTCD_H_
#define _BTCD_H_
/* pm registers */
#define GENERAL_PWRMGT 0x63c
# define GLOBAL_PWRMGT_EN (1 << 0)
# define STATIC_PM_EN (1 << 1)
# define THERMAL_PROTECTION_DIS (1 << 2)
# define THERMAL_PROTECTION_TYPE (1 << 3)
# define ENABLE_GEN2PCIE (1 << 4)
# define ENABLE_GEN2XSP (1 << 5)
# define SW_SMIO_INDEX(x) ((x) << 6)
# define SW_SMIO_INDEX_MASK (3 << 6)
# define SW_SMIO_INDEX_SHIFT 6
# define LOW_VOLT_D2_ACPI (1 << 8)
# define LOW_VOLT_D3_ACPI (1 << 9)
# define VOLT_PWRMGT_EN (1 << 10)
# define BACKBIAS_PAD_EN (1 << 18)
# define BACKBIAS_VALUE (1 << 19)
# define DYN_SPREAD_SPECTRUM_EN (1 << 23)
# define AC_DC_SW (1 << 24)
#define CG_BIF_REQ_AND_RSP 0x7f4
#define CG_CLIENT_REQ(x) ((x) << 0)
#define CG_CLIENT_REQ_MASK (0xff << 0)
#define CG_CLIENT_REQ_SHIFT 0
#define CG_CLIENT_RESP(x) ((x) << 8)
#define CG_CLIENT_RESP_MASK (0xff << 8)
#define CG_CLIENT_RESP_SHIFT 8
#define CLIENT_CG_REQ(x) ((x) << 16)
#define CLIENT_CG_REQ_MASK (0xff << 16)
#define CLIENT_CG_REQ_SHIFT 16
#define CLIENT_CG_RESP(x) ((x) << 24)
#define CLIENT_CG_RESP_MASK (0xff << 24)
#define CLIENT_CG_RESP_SHIFT 24
#define SCLK_PSKIP_CNTL 0x8c0
#define PSKIP_ON_ALLOW_STOP_HI(x) ((x) << 16)
#define PSKIP_ON_ALLOW_STOP_HI_MASK (0xff << 16)
#define PSKIP_ON_ALLOW_STOP_HI_SHIFT 16
#define CG_ULV_CONTROL 0x8c8
#define CG_ULV_PARAMETER 0x8cc
#define MC_ARB_DRAM_TIMING 0x2774
#define MC_ARB_DRAM_TIMING2 0x2778
#define MC_ARB_RFSH_RATE 0x27b0
#define POWERMODE0(x) ((x) << 0)
#define POWERMODE0_MASK (0xff << 0)
#define POWERMODE0_SHIFT 0
#define POWERMODE1(x) ((x) << 8)
#define POWERMODE1_MASK (0xff << 8)
#define POWERMODE1_SHIFT 8
#define POWERMODE2(x) ((x) << 16)
#define POWERMODE2_MASK (0xff << 16)
#define POWERMODE2_SHIFT 16
#define POWERMODE3(x) ((x) << 24)
#define POWERMODE3_MASK (0xff << 24)
#define POWERMODE3_SHIFT 24
#define MC_ARB_BURST_TIME 0x2808
#define STATE0(x) ((x) << 0)
#define STATE0_MASK (0x1f << 0)
#define STATE0_SHIFT 0
#define STATE1(x) ((x) << 5)
#define STATE1_MASK (0x1f << 5)
#define STATE1_SHIFT 5
#define STATE2(x) ((x) << 10)
#define STATE2_MASK (0x1f << 10)
#define STATE2_SHIFT 10
#define STATE3(x) ((x) << 15)
#define STATE3_MASK (0x1f << 15)
#define STATE3_SHIFT 15
#define MC_SEQ_RAS_TIMING 0x28a0
#define MC_SEQ_CAS_TIMING 0x28a4
#define MC_SEQ_MISC_TIMING 0x28a8
#define MC_SEQ_MISC_TIMING2 0x28ac
#define MC_SEQ_RD_CTL_D0 0x28b4
#define MC_SEQ_RD_CTL_D1 0x28b8
#define MC_SEQ_WR_CTL_D0 0x28bc
#define MC_SEQ_WR_CTL_D1 0x28c0
#define MC_PMG_AUTO_CFG 0x28d4
#define MC_SEQ_STATUS_M 0x29f4
# define PMG_PWRSTATE (1 << 16)
#define MC_SEQ_MISC0 0x2a00
#define MC_SEQ_MISC0_GDDR5_SHIFT 28
#define MC_SEQ_MISC0_GDDR5_MASK 0xf0000000
#define MC_SEQ_MISC0_GDDR5_VALUE 5
#define MC_SEQ_MISC1 0x2a04
#define MC_SEQ_RESERVE_M 0x2a08
#define MC_PMG_CMD_EMRS 0x2a0c
#define MC_SEQ_MISC3 0x2a2c
#define MC_SEQ_MISC5 0x2a54
#define MC_SEQ_MISC6 0x2a58
#define MC_SEQ_MISC7 0x2a64
#define MC_SEQ_CG 0x2a68
#define CG_SEQ_REQ(x) ((x) << 0)
#define CG_SEQ_REQ_MASK (0xff << 0)
#define CG_SEQ_REQ_SHIFT 0
#define CG_SEQ_RESP(x) ((x) << 8)
#define CG_SEQ_RESP_MASK (0xff << 8)
#define CG_SEQ_RESP_SHIFT 8
#define SEQ_CG_REQ(x) ((x) << 16)
#define SEQ_CG_REQ_MASK (0xff << 16)
#define SEQ_CG_REQ_SHIFT 16
#define SEQ_CG_RESP(x) ((x) << 24)
#define SEQ_CG_RESP_MASK (0xff << 24)
#define SEQ_CG_RESP_SHIFT 24
#define MC_SEQ_RAS_TIMING_LP 0x2a6c
#define MC_SEQ_CAS_TIMING_LP 0x2a70
#define MC_SEQ_MISC_TIMING_LP 0x2a74
#define MC_SEQ_MISC_TIMING2_LP 0x2a78
#define MC_SEQ_WR_CTL_D0_LP 0x2a7c
#define MC_SEQ_WR_CTL_D1_LP 0x2a80
#define MC_SEQ_PMG_CMD_EMRS_LP 0x2a84
#define MC_SEQ_PMG_CMD_MRS_LP 0x2a88
#define MC_PMG_CMD_MRS 0x2aac
#define MC_SEQ_RD_CTL_D0_LP 0x2b1c
#define MC_SEQ_RD_CTL_D1_LP 0x2b20
#define MC_PMG_CMD_MRS1 0x2b44
#define MC_SEQ_PMG_CMD_MRS1_LP 0x2b48
#define LB_SYNC_RESET_SEL 0x6b28
#define LB_SYNC_RESET_SEL_MASK (3 << 0)
#define LB_SYNC_RESET_SEL_SHIFT 0
/* PCIE link stuff */
#define PCIE_LC_SPEED_CNTL 0xa4 /* PCIE_P */
# define LC_GEN2_EN_STRAP (1 << 0)
# define LC_TARGET_LINK_SPEED_OVERRIDE_EN (1 << 1)
# define LC_FORCE_EN_HW_SPEED_CHANGE (1 << 5)
# define LC_FORCE_DIS_HW_SPEED_CHANGE (1 << 6)
# define LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK (0x3 << 8)
# define LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT 3
# define LC_CURRENT_DATA_RATE (1 << 11)
# define LC_HW_VOLTAGE_IF_CONTROL(x) ((x) << 12)
# define LC_HW_VOLTAGE_IF_CONTROL_MASK (3 << 12)
# define LC_HW_VOLTAGE_IF_CONTROL_SHIFT 12
# define LC_VOLTAGE_TIMER_SEL_MASK (0xf << 14)
# define LC_CLR_FAILED_SPD_CHANGE_CNT (1 << 21)
# define LC_OTHER_SIDE_EVER_SENT_GEN2 (1 << 23)
# define LC_OTHER_SIDE_SUPPORTS_GEN2 (1 << 24)
#endif