Go to most recent revision | Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 494 | giacomo | 1 | #ifndef _I8042_SPARCIO_H |
| 2 | #define _I8042_SPARCIO_H |
||
| 3 | |||
| 4 | #include <linux/config.h> |
||
| 5 | #include <asm/io.h> |
||
| 6 | |||
| 7 | #ifdef CONFIG_PCI |
||
| 8 | #include <asm/oplib.h> |
||
| 9 | #include <asm/ebus.h> |
||
| 10 | #endif |
||
| 11 | |||
| 12 | static int i8042_kbd_irq = -1; |
||
| 13 | static int i8042_aux_irq = -1; |
||
| 14 | #define I8042_KBD_IRQ i8042_kbd_irq |
||
| 15 | #define I8042_AUX_IRQ i8042_aux_irq |
||
| 16 | |||
| 17 | #define I8042_KBD_PHYS_DESC "sparcps2/serio0" |
||
| 18 | #define I8042_AUX_PHYS_DESC "sparcps2/serio1" |
||
| 19 | #define I8042_MUX_PHYS_DESC "sparcps2/serio%d" |
||
| 20 | |||
| 21 | static unsigned long kbd_iobase; |
||
| 22 | |||
| 23 | #define I8042_COMMAND_REG (kbd_iobase + 0x64UL) |
||
| 24 | #define I8042_DATA_REG (kbd_iobase + 0x60UL) |
||
| 25 | |||
| 26 | static inline int i8042_read_data(void) |
||
| 27 | { |
||
| 28 | return readb(kbd_iobase + 0x60UL); |
||
| 29 | } |
||
| 30 | |||
| 31 | static inline int i8042_read_status(void) |
||
| 32 | { |
||
| 33 | return readb(kbd_iobase + 0x64UL); |
||
| 34 | } |
||
| 35 | |||
| 36 | static inline void i8042_write_data(int val) |
||
| 37 | { |
||
| 38 | writeb(val, kbd_iobase + 0x60UL); |
||
| 39 | } |
||
| 40 | |||
| 41 | static inline void i8042_write_command(int val) |
||
| 42 | { |
||
| 43 | writeb(val, kbd_iobase + 0x64UL); |
||
| 44 | } |
||
| 45 | |||
| 46 | #define OBP_PS2KBD_NAME1 "kb_ps2" |
||
| 47 | #define OBP_PS2KBD_NAME2 "keyboard" |
||
| 48 | #define OBP_PS2MS_NAME1 "kdmouse" |
||
| 49 | #define OBP_PS2MS_NAME2 "mouse" |
||
| 50 | |||
| 51 | static int i8042_platform_init(void) |
||
| 52 | { |
||
| 53 | #ifndef CONFIG_PCI |
||
| 54 | return -1; |
||
| 55 | #else |
||
| 56 | char prop[128]; |
||
| 57 | int len; |
||
| 58 | |||
| 59 | len = prom_getproperty(prom_root_node, "name", prop, sizeof(prop)); |
||
| 60 | if (len < 0) { |
||
| 61 | printk("i8042: Cannot get name property of root OBP node.\n"); |
||
| 62 | return -1; |
||
| 63 | } |
||
| 64 | if (strncmp(prop, "SUNW,JavaStation-1", len) == 0) { |
||
| 65 | /* Hardcoded values for MrCoffee. */ |
||
| 66 | i8042_kbd_irq = i8042_aux_irq = 13 | 0x20; |
||
| 67 | kbd_iobase = (unsigned long) ioremap(0x71300060, 8); |
||
| 68 | if (!kbd_iobase) |
||
| 69 | return -1; |
||
| 70 | } else { |
||
| 71 | struct linux_ebus *ebus; |
||
| 72 | struct linux_ebus_device *edev; |
||
| 73 | struct linux_ebus_child *child; |
||
| 74 | |||
| 75 | for_each_ebus(ebus) { |
||
| 76 | for_each_ebusdev(edev, ebus) { |
||
| 77 | if (!strcmp(edev->prom_name, "8042")) |
||
| 78 | goto edev_found; |
||
| 79 | } |
||
| 80 | } |
||
| 81 | return -1; |
||
| 82 | |||
| 83 | edev_found: |
||
| 84 | for_each_edevchild(edev, child) { |
||
| 85 | if (!strcmp(child->prom_name, OBP_PS2KBD_NAME1) || |
||
| 86 | !strcmp(child->prom_name, OBP_PS2KBD_NAME2)) { |
||
| 87 | i8042_kbd_irq = child->irqs[0]; |
||
| 88 | kbd_iobase = (unsigned long) |
||
| 89 | ioremap(child->resource[0].start, 8); |
||
| 90 | } |
||
| 91 | if (!strcmp(child->prom_name, OBP_PS2MS_NAME1) || |
||
| 92 | !strcmp(child->prom_name, OBP_PS2MS_NAME2)) |
||
| 93 | i8042_aux_irq = child->irqs[0]; |
||
| 94 | } |
||
| 95 | if (i8042_kbd_irq == -1 || |
||
| 96 | i8042_aux_irq == -1) { |
||
| 97 | printk("i8042: Error, 8042 device lacks both kbd and " |
||
| 98 | "mouse nodes.\n"); |
||
| 99 | return -1; |
||
| 100 | } |
||
| 101 | } |
||
| 102 | |||
| 103 | i8042_reset = 1; |
||
| 104 | |||
| 105 | return 0; |
||
| 106 | #endif /* CONFIG_PCI */ |
||
| 107 | } |
||
| 108 | |||
| 109 | static inline void i8042_platform_exit(void) |
||
| 110 | { |
||
| 111 | #ifdef CONFIG_PCI |
||
| 112 | iounmap((void *)kbd_iobase); |
||
| 113 | #endif |
||
| 114 | } |
||
| 115 | |||
| 116 | #endif /* _I8042_SPARCIO_H */ |