linux-stable/drivers/gpu/drm/radeon/rs780_dpm.h
Alex Deucher 9d67006e6e drm/radeon/kms: add dpm support for rs780/rs880
This adds dpm support for rs780/rs880 asics.  This includes:
- clockgating
- dynamic engine clock scaling
- dynamic voltage scaling

set radeon.dpm=1 to enable it.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27 10:49:25 -04:00

109 lines
3.5 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 __RS780_DPM_H__
#define __RS780_DPM_H__
enum rs780_vddc_level {
RS780_VDDC_LEVEL_UNKNOWN = 0,
RS780_VDDC_LEVEL_LOW = 1,
RS780_VDDC_LEVEL_HIGH = 2,
};
struct igp_power_info {
/* flags */
bool invert_pwm_required;
bool pwm_voltage_control;
bool voltage_control;
bool gfx_clock_gating;
/* stored values */
u32 system_config;
u32 bootup_uma_clk;
u16 max_voltage;
u16 min_voltage;
u16 boot_voltage;
u16 inter_voltage_low;
u16 inter_voltage_high;
u16 num_of_cycles_in_period;
/* variable */
int crtc_id;
int refresh_rate;
};
struct igp_ps {
enum rs780_vddc_level min_voltage;
enum rs780_vddc_level max_voltage;
u32 sclk_low;
u32 sclk_high;
u32 flags;
};
#define RS780_CGFTV_DFLT 0x0303000f
#define RS780_FBDIVTIMERVAL_DFLT 0x2710
#define RS780_FVTHROTUTC0_DFLT 0x04010040
#define RS780_FVTHROTUTC1_DFLT 0x04010040
#define RS780_FVTHROTUTC2_DFLT 0x04010040
#define RS780_FVTHROTUTC3_DFLT 0x04010040
#define RS780_FVTHROTUTC4_DFLT 0x04010040
#define RS780_FVTHROTDTC0_DFLT 0x04010040
#define RS780_FVTHROTDTC1_DFLT 0x04010040
#define RS780_FVTHROTDTC2_DFLT 0x04010040
#define RS780_FVTHROTDTC3_DFLT 0x04010040
#define RS780_FVTHROTDTC4_DFLT 0x04010040
#define RS780_FVTHROTFBUSREG0_DFLT 0x00001001
#define RS780_FVTHROTFBUSREG1_DFLT 0x00002002
#define RS780_FVTHROTFBDSREG0_DFLT 0x00004001
#define RS780_FVTHROTFBDSREG1_DFLT 0x00020010
#define RS780_FVTHROTPWMUSREG0_DFLT 0x00002001
#define RS780_FVTHROTPWMUSREG1_DFLT 0x00004003
#define RS780_FVTHROTPWMDSREG0_DFLT 0x00002001
#define RS780_FVTHROTPWMDSREG1_DFLT 0x00004003
#define RS780_FVTHROTPWMFBDIVRANGEREG0_DFLT 0x37
#define RS780_FVTHROTPWMFBDIVRANGEREG1_DFLT 0x4b
#define RS780_FVTHROTPWMFBDIVRANGEREG2_DFLT 0x8b
#define RS780D_FVTHROTPWMFBDIVRANGEREG0_DFLT 0x8b
#define RS780D_FVTHROTPWMFBDIVRANGEREG1_DFLT 0x8c
#define RS780D_FVTHROTPWMFBDIVRANGEREG2_DFLT 0xb5
#define RS880D_FVTHROTPWMFBDIVRANGEREG0_DFLT 0x8d
#define RS880D_FVTHROTPWMFBDIVRANGEREG1_DFLT 0x8e
#define RS880D_FVTHROTPWMFBDIVRANGEREG2_DFLT 0xBa
#define RS780_FVTHROTPWMRANGE0_GPIO_DFLT 0x1a
#define RS780_FVTHROTPWMRANGE1_GPIO_DFLT 0x1a
#define RS780_FVTHROTPWMRANGE2_GPIO_DFLT 0x0
#define RS780_FVTHROTPWMRANGE3_GPIO_DFLT 0x0
#define RS780_SLOWCLKFEEDBACKDIV_DFLT 110
#define RS780_CGCLKGATING_DFLT 0x0000E204
#define RS780_DEFAULT_VCLK_FREQ 53300 /* 10 khz */
#define RS780_DEFAULT_DCLK_FREQ 40000 /* 10 khz */
#endif