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/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2019 Intel Corporation
*/
#ifndef __INTEL_GMBUS_H__
#define __INTEL_GMBUS_H__
#include <linux/types.h>
struct drm_i915_private;
struct i2c_adapter;
#define GMBUS_PIN_DISABLED 0
#define GMBUS_PIN_SSC 1
#define GMBUS_PIN_VGADDC 2
#define GMBUS_PIN_PANEL 3
#define GMBUS_PIN_DPD_CHV 3 /* HDMID_CHV */
#define GMBUS_PIN_DPC 4 /* HDMIC */
#define GMBUS_PIN_DPB 5 /* SDVO, HDMIB */
#define GMBUS_PIN_DPD 6 /* HDMID */
#define GMBUS_PIN_RESERVED 7 /* 7 reserved */
#define GMBUS_PIN_1_BXT 1 /* BXT+ (atom) and CNP+ (big core) */
#define GMBUS_PIN_2_BXT 2
#define GMBUS_PIN_3_BXT 3
#define GMBUS_PIN_4_CNP 4
#define GMBUS_PIN_9_TC1_ICP 9
#define GMBUS_PIN_10_TC2_ICP 10
#define GMBUS_PIN_11_TC3_ICP 11
#define GMBUS_PIN_12_TC4_ICP 12
#define GMBUS_PIN_13_TC5_TGP 13
#define GMBUS_PIN_14_TC6_TGP 14
#define GMBUS_NUM_PINS 15 /* including 0 */
int intel_gmbus_setup(struct drm_i915_private *dev_priv);
void intel_gmbus_teardown(struct drm_i915_private *dev_priv);
bool intel_gmbus_is_valid_pin(struct drm_i915_private *dev_priv,
unsigned int pin);
int intel_gmbus_output_aksv(struct i2c_adapter *adapter);
struct i2c_adapter *
intel_gmbus_get_adapter(struct drm_i915_private *dev_priv, unsigned int pin);
void intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed);
void intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit);
bool intel_gmbus_is_forced_bit(struct i2c_adapter *adapter);
void intel_gmbus_reset(struct drm_i915_private *dev_priv);
#endif /* __INTEL_GMBUS_H__ */
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