linux/drivers/gpu/drm/i915/display/intel_gmbus.h
Jani Nikula fdc387383e drm/i915/gmbus: convert to struct intel_display
struct intel_display will replace struct drm_i915_private as the main
device pointer for display code. Switch gmbus code over to it.

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/d784e4799ab5095baa5c8fd840920066878c6273.1730146000.git.jani.nikula@intel.com
2024-10-30 13:51:26 +02:00

50 lines
1.5 KiB
C

/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2019 Intel Corporation
*/
#ifndef __INTEL_GMBUS_H__
#define __INTEL_GMBUS_H__
#include <linux/types.h>
struct i2c_adapter;
struct intel_display;
#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_5_MTP 5
#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 intel_display *display);
void intel_gmbus_teardown(struct intel_display *display);
bool intel_gmbus_is_valid_pin(struct intel_display *display, unsigned int pin);
int intel_gmbus_output_aksv(struct i2c_adapter *adapter);
struct i2c_adapter *
intel_gmbus_get_adapter(struct intel_display *display, unsigned int pin);
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 intel_display *display);
void intel_gmbus_irq_handler(struct intel_display *display);
#endif /* __INTEL_GMBUS_H__ */