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author | David S. Miller <davem@davemloft.net> | 2008-11-18 23:38:23 -0800 |
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committer | David S. Miller <davem@davemloft.net> | 2008-11-18 23:38:23 -0800 |
commit | 198d6ba4d7f48c94f990f4604f0b3d73925e0ded (patch) | |
tree | 56bbdf8ba2553c23c8099da9344a8f1d1aba97ab /include/linux/c2port.h | |
parent | 9a57f7fabd383920585ed8b74eacd117c6551f2d (diff) | |
parent | 7f0f598a0069d1ab072375965a4b69137233169c (diff) | |
download | op-kernel-dev-198d6ba4d7f48c94f990f4604f0b3d73925e0ded.zip op-kernel-dev-198d6ba4d7f48c94f990f4604f0b3d73925e0ded.tar.gz |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/isdn/i4l/isdn_net.c
fs/cifs/connect.c
Diffstat (limited to 'include/linux/c2port.h')
-rw-r--r-- | include/linux/c2port.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/include/linux/c2port.h b/include/linux/c2port.h new file mode 100644 index 0000000..7b5a238 --- /dev/null +++ b/include/linux/c2port.h @@ -0,0 +1,65 @@ +/* + * Silicon Labs C2 port Linux support + * + * Copyright (c) 2007 Rodolfo Giometti <giometti@linux.it> + * Copyright (c) 2007 Eurotech S.p.A. <info@eurotech.it> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation + */ + +#include <linux/device.h> + +#define C2PORT_NAME_LEN 32 + +/* + * 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 + */ + +#define to_class_dev(obj) container_of((obj), struct class_device, kobj) +#define to_c2port_device(obj) container_of((obj), struct c2port_device, class) + +extern struct c2port_device *c2port_device_register(char *name, + struct c2port_ops *ops, void *devdata); +extern void c2port_device_unregister(struct c2port_device *dev); |