linux/drivers/gpu/drm/radeon/rv740_dpm.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.
 *
 * Authors: Alex Deucher
 */

#include "radeon.h"
#include "rv740d.h"
#include "r600_dpm.h"
#include "rv770.h"
#include "rv770_dpm.h"
#include "atom.h"

u32 rv740_get_decoded_reference_divider(u32 encoded_ref)
{ … }

struct dll_speed_setting { … };

static struct dll_speed_setting dll_speed_table[16] = …;

u32 rv740_get_dll_speed(bool is_gddr5, u32 memory_clock)
{ … }

int rv740_populate_sclk_value(struct radeon_device *rdev, u32 engine_clock,
			      RV770_SMC_SCLK_VALUE *sclk)
{ … }

int rv740_populate_mclk_value(struct radeon_device *rdev,
			      u32 engine_clock, u32 memory_clock,
			      RV7XX_SMC_MCLK_VALUE *mclk)
{ … }

void rv740_read_clock_registers(struct radeon_device *rdev)
{ … }

int rv740_populate_smc_acpi_state(struct radeon_device *rdev,
				  RV770_SMC_STATETABLE *table)
{ … }

void rv740_enable_mclk_spread_spectrum(struct radeon_device *rdev,
				       bool enable)
{ … }

u8 rv740_get_mclk_frequency_ratio(u32 memory_clock)
{ … }