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 */