[evdev] Add evdev support to atkbd(4) driver
To enable event sourcing from atkbd kern.evdev.rcpt_mask value should have bit 3 set. Submitted by: Vladimir Kondratiev <wulf@cicgroup.ru> MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D8381
This commit is contained in:
Oleksandr Tymoshenko
parent
e40145851b
commit
38ae0c59b9
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=308240
@ -31,6 +31,7 @@ __FBSDID("$FreeBSD$");
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#include "opt_compat.h"
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#include "opt_kbd.h"
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#include "opt_atkbd.h"
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#include "opt_evdev.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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@ -49,6 +50,11 @@ __FBSDID("$FreeBSD$");
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#include <dev/atkbdc/atkbdreg.h>
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#include <dev/atkbdc/atkbdcreg.h>
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#ifdef EVDEV_SUPPORT
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#include <dev/evdev/evdev.h>
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#include <dev/evdev/input.h>
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#endif
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typedef struct atkbd_state {
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KBDC kbdc; /* keyboard controller */
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int ks_mode; /* input mode (K_XLATE,K_RAW,K_CODE) */
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@ -60,6 +66,10 @@ typedef struct atkbd_state {
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u_int ks_composed_char; /* composed char code (> 0) */
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u_char ks_prefix; /* AT scan code prefix */
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struct callout ks_timer;
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#ifdef EVDEV_SUPPORT
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struct evdev_dev *ks_evdev;
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int ks_evdev_state;
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#endif
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} atkbd_state_t;
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static void atkbd_timeout(void *arg);
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@ -72,6 +82,11 @@ static int atkbd_reset(KBDC kbdc, int flags, int c);
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#define DEFAULT_DELAY 0x1 /* 500ms */
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#define DEFAULT_RATE 0x10 /* 14Hz */
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#ifdef EVDEV_SUPPORT
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#define PS2_KEYBOARD_VENDOR 1
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#define PS2_KEYBOARD_PRODUCT 1
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#endif
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int
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atkbd_probe_unit(device_t dev, int irq, int flags)
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{
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@ -250,6 +265,12 @@ static int typematic(int delay, int rate);
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static int typematic_delay(int delay);
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static int typematic_rate(int rate);
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#ifdef EVDEV_SUPPORT
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static const struct evdev_methods atkbd_evdev_methods = {
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.ev_event = evdev_ev_kbd_event,
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};
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#endif
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/* local variables */
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/* the initial key map, accent map and fkey strings */
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@ -352,6 +373,10 @@ atkbd_init(int unit, keyboard_t **kbdp, void *arg, int flags)
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int delay[2];
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int *data = (int *)arg; /* data[0]: controller, data[1]: irq */
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int error, needfree;
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#ifdef EVDEV_SUPPORT
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struct evdev_dev *evdev;
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char phys_loc[8];
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#endif
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/* XXX */
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if (unit == ATKBD_DEFAULT) {
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@ -436,6 +461,34 @@ atkbd_init(int unit, keyboard_t **kbdp, void *arg, int flags)
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delay[0] = kbd->kb_delay1;
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delay[1] = kbd->kb_delay2;
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atkbd_ioctl(kbd, KDSETREPEAT, (caddr_t)delay);
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#ifdef EVDEV_SUPPORT
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/* register as evdev provider on first init */
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if (state->ks_evdev == NULL) {
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snprintf(phys_loc, sizeof(phys_loc), "atkbd%d", unit);
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evdev = evdev_alloc();
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evdev_set_name(evdev, "AT keyboard");
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evdev_set_phys(evdev, phys_loc);
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evdev_set_id(evdev, BUS_I8042, PS2_KEYBOARD_VENDOR,
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PS2_KEYBOARD_PRODUCT, 0);
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evdev_set_methods(evdev, kbd, &atkbd_evdev_methods);
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evdev_support_event(evdev, EV_SYN);
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evdev_support_event(evdev, EV_KEY);
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evdev_support_event(evdev, EV_LED);
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evdev_support_event(evdev, EV_REP);
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evdev_support_all_known_keys(evdev);
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evdev_support_led(evdev, LED_NUML);
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evdev_support_led(evdev, LED_CAPSL);
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evdev_support_led(evdev, LED_SCROLLL);
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if (evdev_register(evdev))
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evdev_free(evdev);
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else
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state->ks_evdev = evdev;
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state->ks_evdev_state = 0;
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}
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#endif
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KBD_INIT_DONE(kbd);
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}
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if (!KBD_IS_CONFIGURED(kbd)) {
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@ -620,6 +673,20 @@ atkbd_read_char(keyboard_t *kbd, int wait)
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printf("atkbd_read_char(): scancode:0x%x\n", scancode);
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#endif
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#ifdef EVDEV_SUPPORT
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/* push evdev event */
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if (evdev_rcpt_mask & EVDEV_RCPT_HW_KBD && state->ks_evdev != NULL) {
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keycode = evdev_scancode2key(&state->ks_evdev_state,
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scancode);
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if (keycode != KEY_RESERVED) {
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evdev_push_event(state->ks_evdev, EV_KEY,
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(uint16_t)keycode, scancode & 0x80 ? 0 : 1);
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evdev_sync(state->ks_evdev);
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}
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}
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#endif
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/* return the byte as is for the K_RAW mode */
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if (state->ks_mode == K_RAW)
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return scancode;
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@ -930,6 +997,12 @@ atkbd_ioctl(keyboard_t *kbd, u_long cmd, caddr_t arg)
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return error;
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}
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}
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#ifdef EVDEV_SUPPORT
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/* push LED states to evdev */
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if (state->ks_evdev != NULL &&
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evdev_rcpt_mask & EVDEV_RCPT_HW_KBD)
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evdev_push_leds(state->ks_evdev, *(int *)arg);
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#endif
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KBD_LED_VAL(kbd) = *(int *)arg;
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break;
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@ -963,6 +1036,11 @@ atkbd_ioctl(keyboard_t *kbd, u_long cmd, caddr_t arg)
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if (error == 0) {
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kbd->kb_delay1 = typematic_delay(i);
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kbd->kb_delay2 = typematic_rate(i);
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#ifdef EVDEV_SUPPORT
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if (state->ks_evdev != NULL &&
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evdev_rcpt_mask & EVDEV_RCPT_HW_KBD)
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evdev_push_repeats(state->ks_evdev, kbd);
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#endif
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}
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return error;
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@ -981,6 +1059,11 @@ atkbd_ioctl(keyboard_t *kbd, u_long cmd, caddr_t arg)
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if (error == 0) {
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kbd->kb_delay1 = typematic_delay(*(int *)arg);
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kbd->kb_delay2 = typematic_rate(*(int *)arg);
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#ifdef EVDEV_SUPPORT
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if (state->ks_evdev != NULL &&
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evdev_rcpt_mask & EVDEV_RCPT_HW_KBD)
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evdev_push_repeats(state->ks_evdev, kbd);
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#endif
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}
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return error;
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@ -28,6 +28,7 @@
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__FBSDID("$FreeBSD$");
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#include "opt_kbd.h"
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#include "opt_evdev.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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@ -169,3 +170,6 @@ atkbdintr(void *arg)
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}
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DRIVER_MODULE(atkbd, atkbdc, atkbd_driver, atkbd_devclass, 0, 0);
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#ifdef EVDEV_SUPPORT
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MODULE_DEPEND(atkbd, evdev, 1, 1, 1);
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#endif
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