1/*
2 *	I/O routines for Titan
3 */
4#include <linux/pci.h>
5#include <asm/machvec.h>
6#include <asm/addrspace.h>
7#include <asm/titan.h>
8#include <asm/io.h>
9
10static inline unsigned int port2adr(unsigned int port)
11{
12        maybebadio((unsigned long)port);
13        return port;
14}
15
16u8 titan_inb(unsigned long port)
17{
18        if (PXSEG(port))
19                return ctrl_inb(port);
20        else if (is_pci_ioaddr(port))
21                return ctrl_inb(pci_ioaddr(port));
22        return ctrl_inw(port2adr(port)) & 0xff;
23}
24
25u8 titan_inb_p(unsigned long port)
26{
27        u8 v;
28
29        if (PXSEG(port))
30                v = ctrl_inb(port);
31        else if (is_pci_ioaddr(port))
32                v = ctrl_inb(pci_ioaddr(port));
33        else
34                v = ctrl_inw(port2adr(port)) & 0xff;
35        ctrl_delay();
36        return v;
37}
38
39u16 titan_inw(unsigned long port)
40{
41        if (PXSEG(port))
42                return ctrl_inw(port);
43        else if (is_pci_ioaddr(port))
44                return ctrl_inw(pci_ioaddr(port));
45        else if (port >= 0x2000)
46                return ctrl_inw(port2adr(port));
47        else
48                maybebadio(port);
49        return 0;
50}
51
52u32 titan_inl(unsigned long port)
53{
54        if (PXSEG(port))
55                return ctrl_inl(port);
56        else if (is_pci_ioaddr(port))
57                return ctrl_inl(pci_ioaddr(port));
58        else if (port >= 0x2000)
59                return ctrl_inw(port2adr(port));
60        else
61                maybebadio(port);
62        return 0;
63}
64
65void titan_outb(u8 value, unsigned long port)
66{
67        if (PXSEG(port))
68                ctrl_outb(value, port);
69        else if (is_pci_ioaddr(port))
70                ctrl_outb(value, pci_ioaddr(port));
71        else
72                ctrl_outw(value, port2adr(port));
73}
74
75void titan_outb_p(u8 value, unsigned long port)
76{
77        if (PXSEG(port))
78                ctrl_outb(value, port);
79        else if (is_pci_ioaddr(port))
80                ctrl_outb(value, pci_ioaddr(port));
81        else
82                ctrl_outw(value, port2adr(port));
83        ctrl_delay();
84}
85
86void titan_outw(u16 value, unsigned long port)
87{
88        if (PXSEG(port))
89                ctrl_outw(value, port);
90        else if (is_pci_ioaddr(port))
91                ctrl_outw(value, pci_ioaddr(port));
92        else if (port >= 0x2000)
93                ctrl_outw(value, port2adr(port));
94        else
95                maybebadio(port);
96}
97
98void titan_outl(u32 value, unsigned long port)
99{
100        if (PXSEG(port))
101                ctrl_outl(value, port);
102        else if (is_pci_ioaddr(port))
103                ctrl_outl(value, pci_ioaddr(port));
104        else
105                maybebadio(port);
106}
107
108void titan_insl(unsigned long port, void *dst, unsigned long count)
109{
110        maybebadio(port);
111}
112
113void titan_outsl(unsigned long port, const void *src, unsigned long count)
114{
115        maybebadio(port);
116}
117
118void __iomem *titan_ioport_map(unsigned long port, unsigned int size)
119{
120	if (PXSEG(port) || is_pci_memaddr(port))
121		return (void __iomem *)port;
122	else if (is_pci_ioaddr(port))
123		return (void __iomem *)pci_ioaddr(port);
124
125	return (void __iomem *)port2adr(port);
126}
127