1 #ifndef _I8042_SPARCIO_H
2 #define _I8042_SPARCIO_H
7 #include <asm/of_device.h>
9 static int i8042_kbd_irq
= -1;
10 static int i8042_aux_irq
= -1;
11 #define I8042_KBD_IRQ i8042_kbd_irq
12 #define I8042_AUX_IRQ i8042_aux_irq
14 #define I8042_KBD_PHYS_DESC "sparcps2/serio0"
15 #define I8042_AUX_PHYS_DESC "sparcps2/serio1"
16 #define I8042_MUX_PHYS_DESC "sparcps2/serio%d"
18 static void __iomem
*kbd_iobase
;
20 #define I8042_COMMAND_REG (kbd_iobase + 0x64UL)
21 #define I8042_DATA_REG (kbd_iobase + 0x60UL)
23 static inline int i8042_read_data(void)
25 return readb(kbd_iobase
+ 0x60UL
);
28 static inline int i8042_read_status(void)
30 return readb(kbd_iobase
+ 0x64UL
);
33 static inline void i8042_write_data(int val
)
35 writeb(val
, kbd_iobase
+ 0x60UL
);
38 static inline void i8042_write_command(int val
)
40 writeb(val
, kbd_iobase
+ 0x64UL
);
43 #define OBP_PS2KBD_NAME1 "kb_ps2"
44 #define OBP_PS2KBD_NAME2 "keyboard"
45 #define OBP_PS2MS_NAME1 "kdmouse"
46 #define OBP_PS2MS_NAME2 "mouse"
48 static int __devinit
sparc_i8042_probe(struct of_device
*op
, const struct of_device_id
*match
)
50 struct device_node
*dp
= op
->node
;
54 if (!strcmp(dp
->name
, OBP_PS2KBD_NAME1
) ||
55 !strcmp(dp
->name
, OBP_PS2KBD_NAME2
)) {
56 struct of_device
*kbd
= of_find_device_by_node(dp
);
57 unsigned int irq
= kbd
->irqs
[0];
58 if (irq
== 0xffffffff)
61 kbd_iobase
= of_ioremap(&kbd
->resource
[0],
63 } else if (!strcmp(dp
->name
, OBP_PS2MS_NAME1
) ||
64 !strcmp(dp
->name
, OBP_PS2MS_NAME2
)) {
65 struct of_device
*ms
= of_find_device_by_node(dp
);
66 unsigned int irq
= ms
->irqs
[0];
67 if (irq
== 0xffffffff)
78 static int __devexit
sparc_i8042_remove(struct of_device
*op
)
80 of_iounmap(kbd_iobase
, 8);
85 static struct of_device_id sparc_i8042_match
[] = {
91 MODULE_DEVICE_TABLE(of
, sparc_i8042_match
);
93 static struct of_platform_driver sparc_i8042_driver
= {
95 .match_table
= sparc_i8042_match
,
96 .probe
= sparc_i8042_probe
,
97 .remove
= __devexit_p(sparc_i8042_remove
),
100 static int __init
i8042_platform_init(void)
105 struct device_node
*root
= of_find_node_by_path("/");
107 if (!strcmp(root
->name
, "SUNW,JavaStation-1")) {
108 /* Hardcoded values for MrCoffee. */
109 i8042_kbd_irq
= i8042_aux_irq
= 13 | 0x20;
110 kbd_iobase
= ioremap(0x71300060, 8);
114 int err
= of_register_driver(&sparc_i8042_driver
,
119 if (i8042_kbd_irq
== -1 ||
120 i8042_aux_irq
== -1) {
122 of_iounmap(kbd_iobase
, 8);
123 kbd_iobase
= (void __iomem
*) NULL
;
132 #endif /* CONFIG_PCI */
135 static inline void i8042_platform_exit(void)
138 struct device_node
*root
= of_find_node_by_path("/");
140 if (strcmp(root
->name
, "SUNW,JavaStation-1"))
141 of_unregister_driver(&sparc_i8042_driver
);
145 #endif /* _I8042_SPARCIO_H */