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path: root/sound/soc/codecs/adav80x.h
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/*
 * header file for ADAV80X parts
 *
 * Copyright 2011 Analog Devices Inc.
 *
 * Licensed under the GPL-2 or later.
 */

#ifndef _ADAV80X_H
#define _ADAV80X_H

#include <linux/regmap.h>

struct device;

extern const struct regmap_config adav80x_regmap_config;
int adav80x_bus_probe(struct device *dev, struct regmap *regmap);

enum adav80x_pll_src {
	ADAV80X_PLL_SRC_XIN,
	ADAV80X_PLL_SRC_XTAL,
	ADAV80X_PLL_SRC_MCLKI,
};

enum adav80x_pll {
	ADAV80X_PLL1 = 0,
	ADAV80X_PLL2 = 1,
};

enum adav80x_clk_src {
	ADAV80X_CLK_XIN = 0,
	ADAV80X_CLK_MCLKI = 1,
	ADAV80X_CLK_PLL1 = 2,
	ADAV80X_CLK_PLL2 = 3,
	ADAV80X_CLK_XTAL = 6,

	ADAV80X_CLK_SYSCLK1 = 6,
	ADAV80X_CLK_SYSCLK2 = 7,
	ADAV80X_CLK_SYSCLK3 = 8,
};

#endif
ystems, this BIOS issue was not discovered when the desktop motherboard was tested with Windows, because the BIOS also neglects to provide the ACPI/CPPC table, that Windows requires to enable HWP, and so Windows runs in legacy P-state mode, where this setting has no effect. Linux' intel_pstate driver does not require ACPI/CPPC to enable HWP, and so it runs in HWP mode, exposing this incorrect BIOS configuration. There are several ways to address this problem. First, Linux can also run in legacy P-state mode on this system. As intel_pstate is how Linux enables HWP, booting with "intel_pstate=disable" will run in acpi-cpufreq/ondemand legacy p-state mode. Or second, the "performance" governor can be used with intel_pstate, which will modify HWP.EPP to 0. Or third, starting in 4.10, the /sys/devices/system/cpu/cpufreq/policy*/energy_performance_preference attribute in can be updated from "balance_power" to "performance". Or fourth, apply this patch, which fixes the erroneous setting of MSR_IA32_POWER_CTL BIT_EE on this model, allowing the default configuration to function as designed. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Len Brown <len.brown@intel.com> Cc: 4.6+ <stable@vger.kernel.org> # 4.6+ Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'net/switchdev')