4  * handle saa7134 IR remotes via linux kernel input layer.
24 MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]");
34 #define ir_dbg(ir, fmt, arg...) do { \  argument
36 		printk(KERN_DEBUG pr_fmt("ir %s: " fmt), ir->rc->device_name, \
47 	struct saa7134_card_ir *ir = dev->remote;  in build_key()  local
62 	if (ir->polling) {  in build_key()
63 		if (ir->last_gpio == gpio)  in build_key()
65 		ir->last_gpio = gpio;  in build_key()
68 	data = ir_extract_bits(gpio, ir->mask_keycode);  in build_key()
70 		gpio, ir->mask_keycode, data);  in build_key()
74 		if (data == ir->mask_keycode)  in build_key()
75 			rc_keyup(ir->dev);  in build_key()
77 			rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data,  in build_key()
82 	if (ir->polling) {  in build_key()
83 		if ((ir->mask_keydown  &&  (0 != (gpio & ir->mask_keydown))) ||  in build_key()
84 		    (ir->mask_keyup    &&  (0 == (gpio & ir->mask_keyup)))) {  in build_key()
85 			rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data,  in build_key()
88 			rc_keyup(ir->dev);  in build_key()
92 		if ((ir->mask_keydown  &&  (0 != (gpio & ir->mask_keydown))) ||  in build_key()
93 		    (ir->mask_keyup    &&  (0 == (gpio & ir->mask_keyup)))) {  in build_key()
94 			rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data,  in build_key()
96 			rc_keyup(ir->dev);  in build_key()
105 static int get_key_flydvb_trio(struct IR_i2c *ir, enum rc_proto *protocol,  in get_key_flydvb_trio()  argument
113 	struct saa7134_dev *dev = ir->c->adapter->algo_data;  in get_key_flydvb_trio()
116 		ir_dbg(ir, "get_key_flydvb_trio: ir->c->adapter->algo_data is NULL!\n");  in get_key_flydvb_trio()
129 	/* poll IR chip */  in get_key_flydvb_trio()
130 	/* weak up the IR chip */  in get_key_flydvb_trio()
133 	while (1 != i2c_master_send(ir->c, &b, 1)) {  in get_key_flydvb_trio()
142 		ir_dbg(ir, "send wake up byte to pic16C505 (IR chip)failed %dx\n",  in get_key_flydvb_trio()
146 	rc = i2c_master_recv(ir->c, &b, 1);  in get_key_flydvb_trio()
148 		ir_dbg(ir, "read error\n");  in get_key_flydvb_trio()
160 static int get_key_msi_tvanywhere_plus(struct IR_i2c *ir,  in get_key_msi_tvanywhere_plus()  argument
168 	struct saa7134_dev *dev = ir->c->adapter->algo_data;  in get_key_msi_tvanywhere_plus()
170 		ir_dbg(ir, "get_key_msi_tvanywhere_plus: ir->c->adapter->algo_data is NULL!\n");  in get_key_msi_tvanywhere_plus()
189 	rc = i2c_master_recv(ir->c, &b, 1);  in get_key_msi_tvanywhere_plus()
191 		ir_dbg(ir, "read error\n");  in get_key_msi_tvanywhere_plus()
212 static int get_key_kworld_pc150u(struct IR_i2c *ir, enum rc_proto *protocol,  in get_key_kworld_pc150u()  argument
220 	struct saa7134_dev *dev = ir->c->adapter->algo_data;  in get_key_kworld_pc150u()
222 		ir_dbg(ir, "get_key_kworld_pc150u: ir->c->adapter->algo_data is NULL!\n");  in get_key_kworld_pc150u()
241 	rc = i2c_master_recv(ir->c, &b, 1);  in get_key_kworld_pc150u()
243 		ir_dbg(ir, "read error\n");  in get_key_kworld_pc150u()
263 static int get_key_purpletv(struct IR_i2c *ir, enum rc_proto *protocol,  in get_key_purpletv()  argument
269 	/* poll IR chip */  in get_key_purpletv()
270 	rc = i2c_master_recv(ir->c, &b, 1);  in get_key_purpletv()
272 		ir_dbg(ir, "read error\n");  in get_key_purpletv()
292 static int get_key_beholdm6xx(struct IR_i2c *ir, enum rc_proto *protocol,  in get_key_beholdm6xx()  argument
299 	struct saa7134_dev *dev = ir->c->adapter->algo_data;  in get_key_beholdm6xx()
310 	ir->c->addr = 0x5a >> 1;  in get_key_beholdm6xx()
312 	rc = i2c_master_recv(ir->c, data, 12);  in get_key_beholdm6xx()
314 		ir_dbg(ir, "read error\n");  in get_key_beholdm6xx()
332 static int get_key_pinnacle(struct IR_i2c *ir, enum rc_proto *protocol,  in get_key_pinnacle()  argument
340 	/* poll IR chip */  in get_key_pinnacle()
341 	rc = i2c_master_recv(ir->c, b, 4);  in get_key_pinnacle()
343 		ir_dbg(ir, "read error\n");  in get_key_pinnacle()
361 	if (ir->old == parity)  in get_key_pinnacle()
364 	ir->old = parity;  in get_key_pinnacle()
377 	ir_dbg(ir, "Pinnacle PCTV key %02x\n", code);  in get_key_pinnacle()
390 static int get_key_pinnacle_grey(struct IR_i2c *ir, enum rc_proto *protocol,  in get_key_pinnacle_grey()  argument
394 	return get_key_pinnacle(ir, protocol, scancode, toggle, 1, 0xfe, 0xff);  in get_key_pinnacle_grey()
402 static int get_key_pinnacle_color(struct IR_i2c *ir, enum rc_proto *protocol,  in get_key_pinnacle_color()  argument
411 	return get_key_pinnacle(ir, protocol, scancode, toggle, 2, 0x80, 0x88);  in get_key_pinnacle_color()
416 	struct saa7134_card_ir *ir;  in saa7134_input_irq()  local
421 	ir = dev->remote;  in saa7134_input_irq()
422 	if (!ir->running)  in saa7134_input_irq()
425 	if (!ir->polling && !ir->raw_decode) {  in saa7134_input_irq()
427 	} else if (ir->raw_decode) {  in saa7134_input_irq()
434 	struct saa7134_card_ir *ir = from_timer(ir, t, timer);  in saa7134_input_timer()  local
435 	struct saa7134_dev *dev = ir->dev->priv;  in saa7134_input_timer()
438 	mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));  in saa7134_input_timer()
444 	struct saa7134_card_ir *ir = dev->remote;  in saa7134_ir_open()  local
482 	ir->running = true;  in saa7134_ir_open()
484 	if (ir->polling) {  in saa7134_ir_open()
485 		timer_setup(&ir->timer, saa7134_input_timer, 0);  in saa7134_ir_open()
486 		ir->timer.expires = jiffies + HZ;  in saa7134_ir_open()
487 		add_timer(&ir->timer);  in saa7134_ir_open()
496 	struct saa7134_card_ir *ir = dev->remote;  in saa7134_ir_close()  local
498 	if (ir->polling)  in saa7134_ir_close()
499 		del_timer_sync(&ir->timer);  in saa7134_ir_close()
501 	ir->running = false;  in saa7134_ir_close()
506 	struct saa7134_card_ir *ir;  in saa7134_input_init1()  local
767 		pr_err("Oops: IR config error [card=%d]\n", dev->board);  in saa7134_input_init1()
771 	ir = kzalloc(sizeof(*ir), GFP_KERNEL);  in saa7134_input_init1()
773 	if (!ir || !rc) {  in saa7134_input_init1()
778 	ir->dev = rc;  in saa7134_input_init1()
779 	dev->remote = ir;  in saa7134_input_init1()
782 	ir->mask_keycode = mask_keycode;  in saa7134_input_init1()
783 	ir->mask_keydown = mask_keydown;  in saa7134_input_init1()
784 	ir->mask_keyup   = mask_keyup;  in saa7134_input_init1()
785 	ir->polling      = polling;  in saa7134_input_init1()
786 	ir->raw_decode	 = raw_decode;  in saa7134_input_init1()
789 	snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",  in saa7134_input_init1()
801 	rc->input_phys = ir->phys;  in saa7134_input_init1()
827 	kfree(ir);  in saa7134_input_init1()
853 		input_dbg("IR has been disabled, not probing for i2c remote\n");  in saa7134_probe_i2c_ir()
979 		input_dbg("No I2C IR support for board %x\n", dev->board);  in saa7134_probe_i2c_ir()
990 	struct saa7134_card_ir *ir = dev->remote;  in saa7134_raw_decode_irq()  local
996 	space = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown;  in saa7134_raw_decode_irq()