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
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __DEVICE_PNP_OPS_H__
#define __DEVICE_PNP_OPS_H__
#include <stdint.h>
#include <arch/io.h>
#include <device/pnp.h>
#include <device/pnp_type.h>
#if ENV_PNP_SIMPLE_DEVICE
static __always_inline void pnp_write_config(
pnp_devfn_t dev, uint8_t reg, uint8_t value)
{
pnp_write_index(dev >> 8, reg, value);
}
static __always_inline uint8_t pnp_read_config(
pnp_devfn_t dev, uint8_t reg)
{
return pnp_read_index(dev >> 8, reg);
}
static __always_inline
void pnp_set_logical_device(pnp_devfn_t dev)
{
unsigned int device = dev & 0xff;
pnp_write_config(dev, 0x07, device);
}
static __always_inline
void pnp_set_enable(pnp_devfn_t dev, int enable)
{
pnp_write_config(dev, 0x30, enable?0x1:0x0);
}
static __always_inline
int pnp_read_enable(pnp_devfn_t dev)
{
return !!pnp_read_config(dev, 0x30);
}
static __always_inline
void pnp_set_iobase(pnp_devfn_t dev, unsigned int index, unsigned int iobase)
{
pnp_write_config(dev, index + 0, (iobase >> 8) & 0xff);
pnp_write_config(dev, index + 1, iobase & 0xff);
}
static __always_inline
uint16_t pnp_read_iobase(pnp_devfn_t dev, unsigned int index)
{
return ((uint16_t)(pnp_read_config(dev, index)) << 8)
| pnp_read_config(dev, index + 1);
}
static __always_inline
void pnp_set_irq(pnp_devfn_t dev, unsigned int index, unsigned int irq)
{
pnp_write_config(dev, index, irq);
}
static __always_inline
void pnp_set_drq(pnp_devfn_t dev, unsigned int index, unsigned int drq)
{
pnp_write_config(dev, index, drq & 0xff);
}
#endif
#endif
|
