diff options
author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 15:20:36 -0700 |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 15:20:36 -0700 |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /drivers/input/serio/i8042-sparcio.h |
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'drivers/input/serio/i8042-sparcio.h')
-rw-r--r-- | drivers/input/serio/i8042-sparcio.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/drivers/input/serio/i8042-sparcio.h b/drivers/input/serio/i8042-sparcio.h new file mode 100644 index 000000000000..da2a19812485 --- /dev/null +++ b/drivers/input/serio/i8042-sparcio.h @@ -0,0 +1,116 @@ +#ifndef _I8042_SPARCIO_H +#define _I8042_SPARCIO_H + +#include <linux/config.h> +#include <asm/io.h> + +#ifdef CONFIG_PCI +#include <asm/oplib.h> +#include <asm/ebus.h> +#endif + +static int i8042_kbd_irq = -1; +static int i8042_aux_irq = -1; +#define I8042_KBD_IRQ i8042_kbd_irq +#define I8042_AUX_IRQ i8042_aux_irq + +#define I8042_KBD_PHYS_DESC "sparcps2/serio0" +#define I8042_AUX_PHYS_DESC "sparcps2/serio1" +#define I8042_MUX_PHYS_DESC "sparcps2/serio%d" + +static void __iomem *kbd_iobase; + +#define I8042_COMMAND_REG (kbd_iobase + 0x64UL) +#define I8042_DATA_REG (kbd_iobase + 0x60UL) + +static inline int i8042_read_data(void) +{ + return readb(kbd_iobase + 0x60UL); +} + +static inline int i8042_read_status(void) +{ + return readb(kbd_iobase + 0x64UL); +} + +static inline void i8042_write_data(int val) +{ + writeb(val, kbd_iobase + 0x60UL); +} + +static inline void i8042_write_command(int val) +{ + writeb(val, kbd_iobase + 0x64UL); +} + +#define OBP_PS2KBD_NAME1 "kb_ps2" +#define OBP_PS2KBD_NAME2 "keyboard" +#define OBP_PS2MS_NAME1 "kdmouse" +#define OBP_PS2MS_NAME2 "mouse" + +static int i8042_platform_init(void) +{ +#ifndef CONFIG_PCI + return -1; +#else + char prop[128]; + int len; + + len = prom_getproperty(prom_root_node, "name", prop, sizeof(prop)); + if (len < 0) { + printk("i8042: Cannot get name property of root OBP node.\n"); + return -1; + } + if (strncmp(prop, "SUNW,JavaStation-1", len) == 0) { + /* Hardcoded values for MrCoffee. */ + i8042_kbd_irq = i8042_aux_irq = 13 | 0x20; + kbd_iobase = ioremap(0x71300060, 8); + if (!kbd_iobase) + return -1; + } else { + struct linux_ebus *ebus; + struct linux_ebus_device *edev; + struct linux_ebus_child *child; + + for_each_ebus(ebus) { + for_each_ebusdev(edev, ebus) { + if (!strcmp(edev->prom_name, "8042")) + goto edev_found; + } + } + return -1; + + edev_found: + for_each_edevchild(edev, child) { + if (!strcmp(child->prom_name, OBP_PS2KBD_NAME1) || + !strcmp(child->prom_name, OBP_PS2KBD_NAME2)) { + i8042_kbd_irq = child->irqs[0]; + kbd_iobase = + ioremap(child->resource[0].start, 8); + } + if (!strcmp(child->prom_name, OBP_PS2MS_NAME1) || + !strcmp(child->prom_name, OBP_PS2MS_NAME2)) + i8042_aux_irq = child->irqs[0]; + } + if (i8042_kbd_irq == -1 || + i8042_aux_irq == -1) { + printk("i8042: Error, 8042 device lacks both kbd and " + "mouse nodes.\n"); + return -1; + } + } + + i8042_reset = 1; + + return 0; +#endif /* CONFIG_PCI */ +} + +static inline void i8042_platform_exit(void) +{ +#ifdef CONFIG_PCI + iounmap(kbd_iobase); +#endif +} + +#endif /* _I8042_SPARCIO_H */ |