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/* SPDX-License-Identifier: MIT */
#ifndef _XE_I2C_H_
#define _XE_I2C_H_
#include <linux/bits.h>
#include <linux/notifier.h>
#include <linux/types.h>
#include <linux/workqueue.h>
struct device;
struct fwnode_handle;
struct i2c_adapter;
struct i2c_client;
struct irq_domain;
struct platform_device;
struct xe_device;
struct xe_mmio;
#define XE_I2C_MAX_CLIENTS 3
#define XE_I2C_EP_COOKIE_DEVICE 0xde
/* Endpoint Capabilities */
#define XE_I2C_EP_CAP_IRQ BIT(0)
struct xe_i2c_endpoint {
u8 cookie;
u8 capabilities;
u16 addr[XE_I2C_MAX_CLIENTS];
};
struct xe_i2c {
struct fwnode_handle *adapter_node;
struct platform_device *pdev;
struct i2c_adapter *adapter;
struct i2c_client *client[XE_I2C_MAX_CLIENTS];
struct notifier_block bus_notifier;
struct work_struct work;
struct irq_domain *irqdomain;
int adapter_irq;
struct xe_i2c_endpoint ep;
struct device *drm_dev;
struct xe_mmio *mmio;
};
#if IS_ENABLED(CONFIG_I2C)
int xe_i2c_probe(struct xe_device *xe);
void xe_i2c_irq_handler(struct xe_device *xe, u32 master_ctl);
void xe_i2c_pm_suspend(struct xe_device *xe);
void xe_i2c_pm_resume(struct xe_device *xe, bool d3cold);
#else
static inline int xe_i2c_probe(struct xe_device *xe) { return 0; }
static inline void xe_i2c_irq_handler(struct xe_device *xe, u32 master_ctl) { }
static inline void xe_i2c_pm_suspend(struct xe_device *xe) { }
static inline void xe_i2c_pm_resume(struct xe_device *xe, bool d3cold) { }
#endif
#endif
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