blob: c0f8e7087829e10517b7ed4c2001993120462a60 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
#include <console/console.h>
#include <device/device.h>
#include <device/smbus.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include <cpu/x86/msr.h>
#include "chip.h"
static void i2cmux2_set_link(device_t dev, unsigned int link)
{
if (dev->enabled && dev->path.type == DEVICE_PATH_I2C)
{
if(ops_smbus_bus(get_pbus_smbus(dev))) {
smbus_send_byte(dev, link); // output value
}
}
}
static void i2cmux2_noop(device_t dummy)
{
}
static struct device_operations i2cmux2_operations = {
.read_resources = i2cmux2_noop,
.set_resources = i2cmux2_noop,
.enable_resources = i2cmux2_noop,
.init = i2cmux2_noop,
.scan_bus = scan_static_bus,
.set_link = i2cmux2_set_link,
};
static void enable_dev(struct device *dev)
{
if(dev->link_list != NULL)
dev->ops = &i2cmux2_operations;
}
struct chip_operations drivers_i2c_i2cmux2_ops = {
CHIP_NAME("i2cmux2")
.enable_dev = enable_dev,
};
|
