pci/bt8xx/bttv-input.c

42 	struct bttv_ir *ir = btv->remote;
47 	if (ir->polling) {
48 		if (ir->last_gpio == gpio)
50 		ir->last_gpio = gpio;
54 	data = ir_extract_bits(gpio, ir->mask_keycode);
57 		ir->polling               ? "poll"  : "irq",
58 		(gpio & ir->mask_keydown) ? " down" : "",
59 		(gpio & ir->mask_keyup)   ? " up"   : "");
61 	if ((ir->mask_keydown && (gpio & ir->mask_keydown)) ||
62 	    (ir->mask_keyup   && !(gpio & ir->mask_keyup))) {
63 		rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data, 0);
65 		/* HACK: Probably, ir->mask_keydown is missing
68 			rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data,
71 		rc_keyup(ir->dev);
77 	struct bttv_ir *ir = btv->remote;
84 	data = ir_extract_bits(gpio, ir->mask_keycode);
87 	keyup = (gpio & ir->mask_keyup) ? 1UL << 31 : 0;
89 	if ((ir->last_gpio & 0x7f) != data) {
92 			(gpio & ir->mask_keyup) ? " up" : "up/down");
94 		rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data, 0);
96 			rc_keyup(ir->dev);
98 		if ((ir->last_gpio & 1UL << 31) == keyup)
103 			(gpio & ir->mask_keyup) ? " up" : "down");
106 			rc_keyup(ir->dev);
108 			rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data,
112 	ir->last_gpio = data | keyup;
119 	struct bttv_ir *ir = btv->remote;
121 	if (ir->rc5_gpio)
123 	else if (!ir->polling)
129 	struct bttv_ir *ir = timer_container_of(ir, t, timer);
130 	struct bttv *btv = ir->btv;
136 	mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
185 	struct bttv_ir *ir = timer_container_of(ir, t, timer);
193 	gap = ktime_to_us(ktime_sub(tv, ir->base_time));
199 	ir->active = false;
207 	if (ir->last_bit < 20) {
209 		dprintk("short code: %x\n", ir->code);
213 	ir->code = (ir->code << ir->shift_by) | 1;
214 	rc5 = bttv_rc5_decode(ir->code);
231 	rc_keydown(ir->dev, RC_PROTO_RC5, scancode, toggle);
237 	struct bttv_ir *ir = btv->remote;
250 	gap = ktime_to_us(ktime_sub(tv, ir->base_time));
264 	if (ir->active) {
267 		if (ir->last_bit < 28) {
268 			ir->last_bit = (gap - ir_rc5_remote_gap / 2) /
270 			ir->code |= 1 << ir->last_bit;
274 		ir->active = true;
275 		ir->code = 0;
276 		ir->base_time = tv;
277 		ir->last_bit = 0;
279 		mod_timer(&ir->timer, current_jiffies + msecs_to_jiffies(30));
290 static void bttv_ir_start(struct bttv_ir *ir)
292 	if (ir->polling) {
293 		timer_setup(&ir->timer, bttv_input_timer, 0);
294 		ir->timer.expires  = jiffies + msecs_to_jiffies(1000);
295 		add_timer(&ir->timer);
296 	} else if (ir->rc5_gpio) {
298 		timer_setup(&ir->timer, bttv_rc5_timer_end, 0);
299 		ir->shift_by = 1;
300 		ir->rc5_remote_gap = ir_rc5_remote_gap;
323 static int get_key_pv951(struct IR_i2c *ir, enum rc_proto *protocol,
330 	rc = i2c_master_recv(ir->c, &b, 1);
405 	request_module("ir-kbd-i2c");
411 	struct bttv_ir *ir;
419 	ir = kzalloc(sizeof(*ir),GFP_KERNEL);
421 	if (!ir || !rc)
430 		ir->mask_keycode = 0xf88000;
431 		ir->mask_keydown = 0x010000;
432 		ir->polling      = 50; // ms
438 		ir->mask_keycode = 0x0f00c0;
439 		ir->mask_keydown = 0x000020;
440 		ir->polling      = 50; // ms
445 		ir->mask_keycode = 0x003e00;
446 		ir->mask_keyup   = 0x010000;
447 		ir->polling      = 50; // ms
453 		ir->mask_keycode = 0x001f00;
454 		ir->mask_keyup   = 0x008000;
455 		ir->polling      = 50; // ms
460 		ir->mask_keycode = 0x1f8;
465 		ir->mask_keycode = 0x0008e000;
466 		ir->mask_keydown = 0x00200000;
470 		ir->mask_keycode = 0x001f00;
471 		ir->mask_keyup   = 0x008000;
472 		ir->polling      = 50; // ms
479 		ir->mask_keycode = 0x001F00;
480 		ir->mask_keyup   = 0x006000;
481 		ir->polling      = 50; // ms
485 		ir->rc5_gpio     = true;
489 		ir->mask_keycode = 0x001F00;
490 		ir->mask_keyup   = 0x004000;
491 		ir->polling      = 50; /* ms */
495 		ir->mask_keycode = 0x001f00;
496 		ir->mask_keyup   = 0x006000;
497 		ir->polling      = 50; /* ms */
501 		ir->mask_keycode = 0x00fd00;
502 		ir->mask_keyup   = 0x000080;
503 		ir->polling      = 1; /* ms */
504 		ir->last_gpio    = ir_extract_bits(bttv_gpio_read(&btv->c),
505 						   ir->mask_keycode);
515 	if (ir->rc5_gpio) {
524 		bttv_gpio_inout(&btv->c, ir->mask_keycode | ir->mask_keydown, 0);
528 	ir->dev = rc;
529 	ir->btv = btv;
531 	snprintf(ir->name, sizeof(ir->name), "bttv IR (card=%d)",
533 	snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
536 	rc->device_name = ir->name;
537 	rc->input_phys = ir->phys;
551 	btv->remote = ir;
552 	bttv_ir_start(ir);
566 	kfree(ir);