Something went wrong. Try again.
(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
Something went wrong. Try again.
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960/* SPDX-License-Identifier: GPL-2.0-only *//* * Silicon Labs C2 port Linux support * * Copyright (c) 2007 Rodolfo Giometti <giometti@linux.it> * Copyright (c) 2007 Eurotech S.p.A. <info@eurotech.it> */
#define C2PORT_NAME_LEN 32
struct device;
/* * C2 port basic structs */
/* Main struct */struct c2port_ops;struct c2port_device { unsigned int access:1; unsigned int flash_access:1;
int id; char name[C2PORT_NAME_LEN]; struct c2port_ops *ops; struct mutex mutex; /* prevent races during read/write */
struct device *dev;
void *private_data;};
/* Basic operations */struct c2port_ops { /* Flash layout */ unsigned short block_size; /* flash block size in bytes */ unsigned short blocks_num; /* flash blocks number */
/* Enable or disable the access to C2 port */ void (*access)(struct c2port_device *dev, int status);
/* Set C2D data line as input/output */ void (*c2d_dir)(struct c2port_device *dev, int dir);
/* Read/write C2D data line */ int (*c2d_get)(struct c2port_device *dev); void (*c2d_set)(struct c2port_device *dev, int status);
/* Write C2CK clock line */ void (*c2ck_set)(struct c2port_device *dev, int status);};
/* * Exported functions */
extern struct c2port_device *c2port_device_register(char *name, struct c2port_ops *ops, void *devdata);extern void c2port_device_unregister(struct c2port_device *dev);