mars/mars_dummy.c

175 lines
4.2 KiB
C

// (c) 2010 Thomas Schoebel-Theuer / 1&1 Internet AG
// Dummy brick (just for demonstration)
//#define BRICK_DEBUGGING
//#define MARS_DEBUGGING
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/string.h>
#include "mars.h"
///////////////////////// own type definitions ////////////////////////
#include "mars_dummy.h"
///////////////////////// own helper functions ////////////////////////
////////////////// own brick / input / output operations //////////////////
static int dummy_get_info(struct dummy_output *output, struct mars_info *info)
{
struct dummy_input *input = output->brick->inputs[0];
return GENERIC_INPUT_CALL(input, mars_get_info, info);
}
static int dummy_ref_get(struct dummy_output *output, struct mref_object *mref)
{
struct dummy_input *input = output->brick->inputs[0];
return GENERIC_INPUT_CALL(input, mref_get, mref);
}
static void dummy_ref_put(struct dummy_output *output, struct mref_object *mref)
{
struct dummy_input *input = output->brick->inputs[0];
GENERIC_INPUT_CALL(input, mref_put, mref);
}
static void dummy_ref_io(struct dummy_output *output, struct mref_object *mref)
{
struct dummy_input *input = output->brick->inputs[0];
GENERIC_INPUT_CALL(input, mref_io, mref);
}
static int dummy_switch(struct dummy_brick *brick)
{
if (brick->power.button) {
mars_power_led_off((void*)brick, false);
//...
mars_power_led_on((void*)brick, true);
} else {
mars_power_led_on((void*)brick, false);
//...
mars_power_led_off((void*)brick, true);
}
return 0;
}
//////////////// object / aspect constructors / destructors ///////////////
static int dummy_mref_aspect_init_fn(struct generic_aspect *_ini, void *_init_data)
{
struct dummy_mref_aspect *ini = (void*)_ini;
(void)ini;
//ini->my_own = 0;
return 0;
}
static void dummy_mref_aspect_exit_fn(struct generic_aspect *_ini, void *_init_data)
{
struct dummy_mref_aspect *ini = (void*)_ini;
(void)ini;
}
MARS_MAKE_STATICS(dummy);
////////////////////// brick constructors / destructors ////////////////////
static int dummy_brick_construct(struct dummy_brick *brick)
{
//brick->my_own = 0;
return 0;
}
static int dummy_brick_destruct(struct dummy_brick *brick)
{
return 0;
}
static int dummy_output_construct(struct dummy_output *output)
{
//output->my_own = 0;
return 0;
}
static int dummy_output_destruct(struct dummy_output *output)
{
return 0;
}
///////////////////////// static structs ////////////////////////
static struct dummy_brick_ops dummy_brick_ops = {
.brick_switch = dummy_switch,
};
static struct dummy_output_ops dummy_output_ops = {
.make_object_layout = dummy_make_object_layout,
.mars_get_info = dummy_get_info,
.mref_get = dummy_ref_get,
.mref_put = dummy_ref_put,
.mref_io = dummy_ref_io,
};
const struct dummy_input_type dummy_input_type = {
.type_name = "dummy_input",
.input_size = sizeof(struct dummy_input),
};
static const struct dummy_input_type *dummy_input_types[] = {
&dummy_input_type,
};
const struct dummy_output_type dummy_output_type = {
.type_name = "dummy_output",
.output_size = sizeof(struct dummy_output),
.master_ops = &dummy_output_ops,
.output_construct = &dummy_output_construct,
.output_destruct = &dummy_output_destruct,
.aspect_types = dummy_aspect_types,
.layout_code = {
[BRICK_OBJ_MREF] = LAYOUT_ALL,
}
};
static const struct dummy_output_type *dummy_output_types[] = {
&dummy_output_type,
};
const struct dummy_brick_type dummy_brick_type = {
.type_name = "dummy_brick",
.brick_size = sizeof(struct dummy_brick),
.max_inputs = 1,
.max_outputs = 1,
.master_ops = &dummy_brick_ops,
.default_input_types = dummy_input_types,
.default_output_types = dummy_output_types,
.brick_construct = &dummy_brick_construct,
.brick_destruct = &dummy_brick_destruct,
};
EXPORT_SYMBOL_GPL(dummy_brick_type);
////////////////// module init stuff /////////////////////////
static int __init init_dummy(void)
{
MARS_INF("init_dummy()\n");
return dummy_register_brick_type();
}
static void __exit exit_dummy(void)
{
MARS_INF("exit_dummy()\n");
dummy_unregister_brick_type();
}
MODULE_DESCRIPTION("MARS dummy brick");
MODULE_AUTHOR("Thomas Schoebel-Theuer <tst@1und1.de>");
MODULE_LICENSE("GPL");
module_init(init_dummy);
module_exit(exit_dummy);