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#ifndef __VMMC_MODULE_H__
#define __VMMC_MODULE_H__
#include <linux/list.h>
#include <linux/kernel.h>
#include <linux/tapi/tapi.h>
struct vmmc_module;
struct vmmc_module_ops {
int (*sync)(struct vmmc_module *);
int (*enable)(struct vmmc_module *, bool enable);
};
struct vmmc_module
{
unsigned int id;
size_t num_pins;
unsigned int *pins;
const struct vmmc_module_ops *ops;
unsigned long flags;
#define VMMC_MODULE_FLAG_PIN_USED(x) (x)
#define VMMC_MODULE_FLAG_MODIFIED 31
struct mutex lock;
struct list_head head;
unsigned int refcount;
};
int vmmc_module_init(struct vmmc_module *module, size_t num_pins,
const struct vmmc_module_ops *ops);
int vmmc_module_sync(struct vmmc_module *module);
struct vmmc_link {
struct vmmc_module *modules[2];
unsigned int pins[2];
};
struct vmmc_endpoint {
struct tapi_endpoint ep;
struct vmmc_module *module;
};
void vmmc_link_enable(struct vmmc_link *link);
void vmmc_link_disable(struct vmmc_link *link);
unsigned int vmmc_link_init(struct vmmc_link *link,
struct vmmc_module *a, struct vmmc_module *b);
void vmmc_link_put(struct vmmc_link *link);
int vmmc_module_get_pin(struct vmmc_module *module);
void vmmc_module_put_pin(struct vmmc_module *module, unsigned int pin);
void vmmc_module_set_pin_input(struct vmmc_module *module, unsigned int pin,
struct vmmc_module *input);
static inline struct vmmc_module *tapi_endpoint_to_vmmc_module(struct tapi_endpoint *ep)
{
return tapi_endpoint_get_data(ep);
}
#endif
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