Rev 1063 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
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| 1063 | tullio | 1 | |
| 2 | /* |
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| 3 | * This program is free software; you can redistribute it and/or modify |
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| 4 | * it under the terms of the GNU General Public License as published by |
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| 5 | * the Free Software Foundation; either version 2 of the License, or |
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| 6 | * (at your option) any later version. |
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| 7 | * |
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| 8 | * This program is distributed in the hope that it will be useful, |
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| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 11 | * GNU General Public License for more details. |
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| 12 | * |
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| 13 | * You should have received a copy of the GNU General Public License |
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| 14 | * along with this program; if not, write to the Free Software |
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| 15 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 16 | * |
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| 17 | */ |
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| 18 | |||
| 494 | giacomo | 19 | #ifndef _I8042_SPARCIO_H |
| 20 | #define _I8042_SPARCIO_H |
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| 21 | |||
| 22 | #include <linux/config.h> |
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| 23 | #include <asm/io.h> |
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| 24 | |||
| 25 | #ifdef CONFIG_PCI |
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| 26 | #include <asm/oplib.h> |
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| 27 | #include <asm/ebus.h> |
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| 28 | #endif |
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| 29 | |||
| 30 | static int i8042_kbd_irq = -1; |
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| 31 | static int i8042_aux_irq = -1; |
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| 32 | #define I8042_KBD_IRQ i8042_kbd_irq |
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| 33 | #define I8042_AUX_IRQ i8042_aux_irq |
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| 34 | |||
| 35 | #define I8042_KBD_PHYS_DESC "sparcps2/serio0" |
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| 36 | #define I8042_AUX_PHYS_DESC "sparcps2/serio1" |
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| 37 | #define I8042_MUX_PHYS_DESC "sparcps2/serio%d" |
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| 38 | |||
| 39 | static unsigned long kbd_iobase; |
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| 40 | |||
| 41 | #define I8042_COMMAND_REG (kbd_iobase + 0x64UL) |
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| 42 | #define I8042_DATA_REG (kbd_iobase + 0x60UL) |
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| 43 | |||
| 44 | static inline int i8042_read_data(void) |
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| 45 | { |
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| 46 | return readb(kbd_iobase + 0x60UL); |
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| 47 | } |
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| 48 | |||
| 49 | static inline int i8042_read_status(void) |
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| 50 | { |
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| 51 | return readb(kbd_iobase + 0x64UL); |
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| 52 | } |
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| 53 | |||
| 54 | static inline void i8042_write_data(int val) |
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| 55 | { |
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| 56 | writeb(val, kbd_iobase + 0x60UL); |
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| 57 | } |
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| 58 | |||
| 59 | static inline void i8042_write_command(int val) |
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| 60 | { |
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| 61 | writeb(val, kbd_iobase + 0x64UL); |
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| 62 | } |
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| 63 | |||
| 64 | #define OBP_PS2KBD_NAME1 "kb_ps2" |
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| 65 | #define OBP_PS2KBD_NAME2 "keyboard" |
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| 66 | #define OBP_PS2MS_NAME1 "kdmouse" |
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| 67 | #define OBP_PS2MS_NAME2 "mouse" |
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| 68 | |||
| 69 | static int i8042_platform_init(void) |
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| 70 | { |
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| 71 | #ifndef CONFIG_PCI |
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| 72 | return -1; |
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| 73 | #else |
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| 74 | char prop[128]; |
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| 75 | int len; |
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| 76 | |||
| 77 | len = prom_getproperty(prom_root_node, "name", prop, sizeof(prop)); |
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| 78 | if (len < 0) { |
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| 79 | printk("i8042: Cannot get name property of root OBP node.\n"); |
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| 80 | return -1; |
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| 81 | } |
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| 82 | if (strncmp(prop, "SUNW,JavaStation-1", len) == 0) { |
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| 83 | /* Hardcoded values for MrCoffee. */ |
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| 84 | i8042_kbd_irq = i8042_aux_irq = 13 | 0x20; |
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| 85 | kbd_iobase = (unsigned long) ioremap(0x71300060, 8); |
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| 86 | if (!kbd_iobase) |
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| 87 | return -1; |
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| 88 | } else { |
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| 89 | struct linux_ebus *ebus; |
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| 90 | struct linux_ebus_device *edev; |
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| 91 | struct linux_ebus_child *child; |
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| 92 | |||
| 93 | for_each_ebus(ebus) { |
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| 94 | for_each_ebusdev(edev, ebus) { |
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| 95 | if (!strcmp(edev->prom_name, "8042")) |
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| 96 | goto edev_found; |
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| 97 | } |
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| 98 | } |
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| 99 | return -1; |
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| 100 | |||
| 101 | edev_found: |
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| 102 | for_each_edevchild(edev, child) { |
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| 103 | if (!strcmp(child->prom_name, OBP_PS2KBD_NAME1) || |
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| 104 | !strcmp(child->prom_name, OBP_PS2KBD_NAME2)) { |
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| 105 | i8042_kbd_irq = child->irqs[0]; |
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| 106 | kbd_iobase = (unsigned long) |
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| 107 | ioremap(child->resource[0].start, 8); |
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| 108 | } |
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| 109 | if (!strcmp(child->prom_name, OBP_PS2MS_NAME1) || |
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| 110 | !strcmp(child->prom_name, OBP_PS2MS_NAME2)) |
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| 111 | i8042_aux_irq = child->irqs[0]; |
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| 112 | } |
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| 113 | if (i8042_kbd_irq == -1 || |
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| 114 | i8042_aux_irq == -1) { |
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| 115 | printk("i8042: Error, 8042 device lacks both kbd and " |
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| 116 | "mouse nodes.\n"); |
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| 117 | return -1; |
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| 118 | } |
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| 119 | } |
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| 120 | |||
| 121 | i8042_reset = 1; |
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| 122 | |||
| 123 | return 0; |
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| 124 | #endif /* CONFIG_PCI */ |
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| 125 | } |
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| 126 | |||
| 127 | static inline void i8042_platform_exit(void) |
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| 128 | { |
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| 129 | #ifdef CONFIG_PCI |
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| 130 | iounmap((void *)kbd_iobase); |
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| 131 | #endif |
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| 132 | } |
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| 133 | |||
| 134 | #endif /* _I8042_SPARCIO_H */ |