mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-24 17:59:32 +00:00
![Alex Deucher](/assets/img/avatar_default.png)
This adds dpm support for rv7xx asics. This includes: - clockgating - dynamic engine clock scaling - dynamic memory clock scaling - dynamic voltage scaling - dynamic pcie gen1/gen2 switching Set radeon.dpm=1 to enable. v2: reduce stack usage v3: fix 64 bit div v4: fix state enable Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
117 lines
5 KiB
C
117 lines
5 KiB
C
/*
|
|
* Copyright 2011 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 RV740_H
|
|
#define RV740_H
|
|
|
|
#define CG_SPLL_FUNC_CNTL 0x600
|
|
#define SPLL_RESET (1 << 0)
|
|
#define SPLL_SLEEP (1 << 1)
|
|
#define SPLL_BYPASS_EN (1 << 3)
|
|
#define SPLL_REF_DIV(x) ((x) << 4)
|
|
#define SPLL_REF_DIV_MASK (0x3f << 4)
|
|
#define SPLL_PDIV_A(x) ((x) << 20)
|
|
#define SPLL_PDIV_A_MASK (0x7f << 20)
|
|
#define CG_SPLL_FUNC_CNTL_2 0x604
|
|
#define SCLK_MUX_SEL(x) ((x) << 0)
|
|
#define SCLK_MUX_SEL_MASK (0x1ff << 0)
|
|
#define CG_SPLL_FUNC_CNTL_3 0x608
|
|
#define SPLL_FB_DIV(x) ((x) << 0)
|
|
#define SPLL_FB_DIV_MASK (0x3ffffff << 0)
|
|
#define SPLL_DITHEN (1 << 28)
|
|
|
|
#define MPLL_CNTL_MODE 0x61c
|
|
#define SS_SSEN (1 << 24)
|
|
|
|
#define MPLL_AD_FUNC_CNTL 0x624
|
|
#define CLKF(x) ((x) << 0)
|
|
#define CLKF_MASK (0x7f << 0)
|
|
#define CLKR(x) ((x) << 7)
|
|
#define CLKR_MASK (0x1f << 7)
|
|
#define CLKFRAC(x) ((x) << 12)
|
|
#define CLKFRAC_MASK (0x1f << 12)
|
|
#define YCLK_POST_DIV(x) ((x) << 17)
|
|
#define YCLK_POST_DIV_MASK (3 << 17)
|
|
#define IBIAS(x) ((x) << 20)
|
|
#define IBIAS_MASK (0x3ff << 20)
|
|
#define RESET (1 << 30)
|
|
#define PDNB (1 << 31)
|
|
#define MPLL_AD_FUNC_CNTL_2 0x628
|
|
#define BYPASS (1 << 19)
|
|
#define BIAS_GEN_PDNB (1 << 24)
|
|
#define RESET_EN (1 << 25)
|
|
#define VCO_MODE (1 << 29)
|
|
#define MPLL_DQ_FUNC_CNTL 0x62c
|
|
#define MPLL_DQ_FUNC_CNTL_2 0x630
|
|
|
|
#define MCLK_PWRMGT_CNTL 0x648
|
|
#define DLL_SPEED(x) ((x) << 0)
|
|
#define DLL_SPEED_MASK (0x1f << 0)
|
|
# define MPLL_PWRMGT_OFF (1 << 5)
|
|
# define DLL_READY (1 << 6)
|
|
# define MC_INT_CNTL (1 << 7)
|
|
# define MRDCKA0_SLEEP (1 << 8)
|
|
# define MRDCKA1_SLEEP (1 << 9)
|
|
# define MRDCKB0_SLEEP (1 << 10)
|
|
# define MRDCKB1_SLEEP (1 << 11)
|
|
# define MRDCKC0_SLEEP (1 << 12)
|
|
# define MRDCKC1_SLEEP (1 << 13)
|
|
# define MRDCKD0_SLEEP (1 << 14)
|
|
# define MRDCKD1_SLEEP (1 << 15)
|
|
# define MRDCKA0_RESET (1 << 16)
|
|
# define MRDCKA1_RESET (1 << 17)
|
|
# define MRDCKB0_RESET (1 << 18)
|
|
# define MRDCKB1_RESET (1 << 19)
|
|
# define MRDCKC0_RESET (1 << 20)
|
|
# define MRDCKC1_RESET (1 << 21)
|
|
# define MRDCKD0_RESET (1 << 22)
|
|
# define MRDCKD1_RESET (1 << 23)
|
|
# define DLL_READY_READ (1 << 24)
|
|
# define USE_DISPLAY_GAP (1 << 25)
|
|
# define USE_DISPLAY_URGENT_NORMAL (1 << 26)
|
|
# define MPLL_TURNOFF_D2 (1 << 28)
|
|
#define DLL_CNTL 0x64c
|
|
# define MRDCKA0_BYPASS (1 << 24)
|
|
# define MRDCKA1_BYPASS (1 << 25)
|
|
# define MRDCKB0_BYPASS (1 << 26)
|
|
# define MRDCKB1_BYPASS (1 << 27)
|
|
# define MRDCKC0_BYPASS (1 << 28)
|
|
# define MRDCKC1_BYPASS (1 << 29)
|
|
# define MRDCKD0_BYPASS (1 << 30)
|
|
# define MRDCKD1_BYPASS (1 << 31)
|
|
|
|
#define CG_SPLL_SPREAD_SPECTRUM 0x790
|
|
#define SSEN (1 << 0)
|
|
#define CLK_S(x) ((x) << 4)
|
|
#define CLK_S_MASK (0xfff << 4)
|
|
#define CG_SPLL_SPREAD_SPECTRUM_2 0x794
|
|
#define CLK_V(x) ((x) << 0)
|
|
#define CLK_V_MASK (0x3ffffff << 0)
|
|
|
|
#define MPLL_SS1 0x85c
|
|
#define CLKV(x) ((x) << 0)
|
|
#define CLKV_MASK (0x3ffffff << 0)
|
|
#define MPLL_SS2 0x860
|
|
#define CLKS(x) ((x) << 0)
|
|
#define CLKS_MASK (0xfff << 0)
|
|
|
|
#endif
|