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[/] [or1k_old/] [trunk/] [uclinux/] [uClinux-2.0.x/] [drivers/] [char/] [keyboard.c] - Diff between revs 199 and 685

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Rev 199	Rev 685
Line 15...	Line 15...
`* dynamic function/string keys, led setting, Sept 1994`	`* dynamic function/string keys, led setting, Sept 1994`
* `Sticky' modifier keys, 951006.	* `Sticky' modifier keys, 951006.
`*`	`*`
`*/`	`*/`

`#define KEYBOARD_IRQ 1`	`#define KEYBOARD_IRQ 21`
`#define DISABLE_KBD_DURING_INTERRUPTS 0`	`#define DISABLE_KBD_DURING_INTERRUPTS 0`

`#include <linux/sched.h>`	`#include <linux/sched.h>`
`#include <linux/interrupt.h>`	`#include <linux/interrupt.h>`
`#include <linux/tty.h>`	`#include <linux/tty.h>`
Line 162...	Line 162...
`static inline void kb_wait(void)`	`static inline void kb_wait(void)`
`{`	`{`
`int i;`	`int i;`

`for (i=0; i<0x100000; i++)`	`for (i=0; i<0x100000; i++)`
`if ((inb_p(0x64) & 0x02) == 0)`	`if ((inb_p(KBD_BASE_ADD+0x4) & 0x02) == 0)`
`return;`	`return;`
`printk(KERN_WARNING "Keyboard timed out\n");`	`printk(KERN_WARNING "Keyboard timed out\n");`
`}`	`}`

`static inline void send_cmd(unsigned char c)`	`static inline void send_cmd(unsigned char c)`
`{`	`{`
`kb_wait();`	`kb_wait();`
`outb(c,0x64);`	`outb(c,KBD_BASE_ADD+0x4);`
`}`	`}`

`/*`	`/*`
`* Many other routines do put_queue, but I think either`	`* Many other routines do put_queue, but I think either`
`* they produce ASCII, or they produce some user-assigned`	`* they produce ASCII, or they produce some user-assigned`
Line 580...	Line 580...
`unsigned char status;`	`unsigned char status;`

`pt_regs = regs;`	`pt_regs = regs;`
`disable_keyboard();`	`disable_keyboard();`

`status = inb_p(0x64);`	`status = inb_p(KBD_BASE_ADD+0x4);`
`do {`	`do {`
`unsigned char scancode;`	`unsigned char scancode;`

`/* mouse data? */`	`/* mouse data? */`
`if (status & kbd_read_mask & 0x20)`	`if (status & kbd_read_mask & 0x20)`
`break;`	`break;`

`scancode = inb(0x60);`	`scancode = inb(KBD_BASE_ADD+0x0);`
`if (status & 0x01)`	`if (status & 0x01)`
`handle_scancode(scancode);`	`handle_scancode(scancode);`

`status = inb(0x64);`	`status = inb(KBD_BASE_ADD+0x4);`
`} while (status & 0x01);`	`} while (status & 0x01);`

`mark_bh(KEYBOARD_BH);`	`mark_bh(KEYBOARD_BH);`
`enable_keyboard();`	`enable_keyboard();`
`}`	`}`
Line 1079...	Line 1079...
`do {`	`do {`
`kb_wait();`	`kb_wait();`
`acknowledge = 0;`	`acknowledge = 0;`
`resend = 0;`	`resend = 0;`
`reply_expected = 1;`	`reply_expected = 1;`
`outb_p(data, 0x60);`
	`outb_p(data, KBD_BASE_ADD+0x0);`
`for(i=0; i<0x200000; i++) {`	`for(i=0; i<0x200000; i++) {`
`extern void allow_interrupts(void);`	`extern void allow_interrupts(void);`
`allow_interrupts();`	`allow_interrupts();`
`inb_p(0x64); /* just as a delay */`	`inb_p(KBD_BASE_ADD+0x4); /* just as a delay */`
`if (acknowledge)`	`if (acknowledge)`
`return 1;`	`return 1;`
`if (resend)`	`if (resend)`
`break;`	`break;`
`}`	`}`
Line 1208...	Line 1209...
`kbd_table[i] = kbd0;`	`kbd_table[i] = kbd0;`

`ttytab = console_driver.table;`	`ttytab = console_driver.table;`

`request_irq(KEYBOARD_IRQ, keyboard_interrupt, 0, "keyboard", NULL);`	`request_irq(KEYBOARD_IRQ, keyboard_interrupt, 0, "keyboard", NULL);`
`request_region(0x60,16,"keyboard");`	`request_region(KBD_BASE_ADD+0x0,16,"keyboard");`
`#ifdef INIT_KBD`	`#ifdef INIT_KBD`
`initialize_kbd();`	`initialize_kbd();`
`#endif`	`#endif`
`init_bh(KEYBOARD_BH, kbd_bh);`	`init_bh(KEYBOARD_BH, kbd_bh);`
`mark_bh(KEYBOARD_BH);`	`mark_bh(KEYBOARD_BH);`
Line 1221...	Line 1222...

`#ifdef INIT_KBD`	`#ifdef INIT_KBD`
`/*`	`/*`
`* keyboard controller registers`	`* keyboard controller registers`
`*/`	`*/`
`#define KBD_STATUS_REG (unsigned int) 0x64`	`#define KBD_STATUS_REG (unsigned int) KBD_BASE_ADD+0x4`
`#define KBD_CNTL_REG (unsigned int) 0x64`	`#define KBD_CNTL_REG (unsigned int) KBD_BASE_ADD+0x4`
`#define KBD_DATA_REG (unsigned int) 0x60`	`#define KBD_DATA_REG (unsigned int) KBD_BASE_ADD+0x0`
`/*`	`/*`
`* controller commands`	`* controller commands`
`*/`	`*/`
`#define KBD_READ_MODE (unsigned int) 0x20`	`#define KBD_READ_MODE (unsigned int) 0x20`
`#define KBD_WRITE_MODE (unsigned int) 0x60`	`#define KBD_WRITE_MODE (unsigned int) 0x60`
Line 1395...	Line 1396...
`return(-1);`	`return(-1);`
`}`	`}`

`restore_flags(flags);`	`restore_flags(flags);`

	`printk("PS/2 Keyboard initialized.\n");`
`return (1);`	`return (1);`
`}`	`}`
`#endif /* INIT_KBD */`	`#endif /* INIT_KBD */`

`No newline at end of file`	`No newline at end of file`

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[/] [or1k_old/] [trunk/] [uclinux/] [uClinux-2.0.x/] [drivers/] [char/] [keyboard.c] - Diff between revs 199 and 685