#ifndef _I8042_SPARCIO_H #define _I8042_SPARCIO_H #include <asm/io.h> #include <asm/oplib.h> #include <asm/prom.h> #include <asm/of_device.h> 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; static struct resource *kbd_res; #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 __devinit sparc_i8042_probe(struct of_device *op, const struct of_device_id *match) { struct device_node *dp = op->node; dp = dp->child; while (dp) { if (!strcmp(dp->name, OBP_PS2KBD_NAME1) || !strcmp(dp->name, OBP_PS2KBD_NAME2)) { struct of_device *kbd = of_find_device_by_node(dp); unsigned int irq = kbd->irqs[0]; if (irq == 0xffffffff) irq = op->irqs[0]; i8042_kbd_irq = irq; kbd_iobase = of_ioremap(&kbd->resource[0], 0, 8, "kbd"); kbd_res = &kbd->resource[0]; } else if (!strcmp(dp->name, OBP_PS2MS_NAME1) || !strcmp(dp->name, OBP_PS2MS_NAME2)) { struct of_device *ms = of_find_device_by_node(dp); unsigned int irq = ms->irqs[0]; if (irq == 0xffffffff) irq = op->irqs[0]; i8042_aux_irq = irq; } dp = dp->sibling; } return 0; } static int __devexit sparc_i8042_remove(struct of_device *op) { of_iounmap(kbd_res, kbd_iobase, 8); return 0; } static struct of_device_id sparc_i8042_match[] = { { .name = "8042", }, {}, }; MODULE_DEVICE_TABLE(of, sparc_i8042_match); static struct of_platform_driver sparc_i8042_driver = { .name = "i8042", .match_table = sparc_i8042_match, .probe = sparc_i8042_probe, .remove = __devexit_p(sparc_i8042_remove), }; static int __init i8042_platform_init(void) { #ifndef CONFIG_PCI return -ENODEV; #else struct device_node *root = of_find_node_by_path("/"); if (!strcmp(root->name, "SUNW,JavaStation-1")) { /* Hardcoded values for MrCoffee. */ i8042_kbd_irq = i8042_aux_irq = 13 | 0x20; kbd_iobase = ioremap(0x71300060, 8); if (!kbd_iobase) return -ENODEV; } else { int err = of_register_driver(&sparc_i8042_driver, &of_bus_type); if (err) return err; if (i8042_kbd_irq == -1 || i8042_aux_irq == -1) { if (kbd_iobase) { of_iounmap(kbd_res, kbd_iobase, 8); kbd_iobase = (void __iomem *) NULL; } return -ENODEV; } } i8042_reset = 1; return 0; #endif /* CONFIG_PCI */ } static inline void i8042_platform_exit(void) { #ifdef CONFIG_PCI struct device_node *root = of_find_node_by_path("/"); if (strcmp(root->name, "SUNW,JavaStation-1")) of_unregister_driver(&sparc_i8042_driver); #endif } #endif /* _I8042_SPARCIO_H */