diff options
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-input.c')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-input.c | 113 | 
1 files changed, 87 insertions, 26 deletions
diff --git a/drivers/media/video/em28xx/em28xx-input.c b/drivers/media/video/em28xx/em28xx-input.c index af0d935c29b..1fb754e2087 100644 --- a/drivers/media/video/em28xx/em28xx-input.c +++ b/drivers/media/video/em28xx/em28xx-input.c @@ -75,6 +75,10 @@ struct em28xx_IR {  	unsigned int repeat_interval;  	int  (*get_key)(struct em28xx_IR *, struct em28xx_ir_poll_result *); + +	/* IR device properties */ + +	struct ir_dev_props props;  };  /********************************************************** @@ -180,6 +184,36 @@ int em28xx_get_key_pinnacle_usb_grey(struct IR_i2c *ir, u32 *ir_key,  	return 1;  } +int em28xx_get_key_winfast_usbii_deluxe(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) +{ +	unsigned char subaddr, keydetect, key; + +	struct i2c_msg msg[] = { { .addr = ir->c->addr, .flags = 0, .buf = &subaddr, .len = 1}, + +				{ .addr = ir->c->addr, .flags = I2C_M_RD, .buf = &keydetect, .len = 1} }; + +	subaddr = 0x10; +	if (2 != i2c_transfer(ir->c->adapter, msg, 2)) { +		i2cdprintk("read error\n"); +		return -EIO; +	} +	if (keydetect == 0x00) +		return 0; + +	subaddr = 0x00; +	msg[1].buf = &key; +	if (2 != i2c_transfer(ir->c->adapter, msg, 2)) { +		i2cdprintk("read error\n"); +	return -EIO; +	} +	if (key == 0x00) +		return 0; + +	*ir_key = key; +	*ir_raw = key; +	return 1; +} +  /**********************************************************   Poll based get keycode functions   **********************************************************/ @@ -336,35 +370,28 @@ static void em28xx_ir_stop(struct em28xx_IR *ir)  	cancel_delayed_work_sync(&ir->work);  } -int em28xx_ir_init(struct em28xx *dev) +int em28xx_ir_change_protocol(void *priv, u64 ir_type)  { -	struct em28xx_IR *ir; -	struct input_dev *input_dev; -	u8 ir_config; -	int err = -ENOMEM; - -	if (dev->board.ir_codes == NULL) { -		/* No remote control support */ -		return 0; -	} - -	ir = kzalloc(sizeof(*ir), GFP_KERNEL); -	input_dev = input_allocate_device(); -	if (!ir || !input_dev) -		goto err_out_free; - -	ir->input = input_dev; -	ir_config = EM2874_IR_RC5; +	int rc = 0; +	struct em28xx_IR *ir = priv; +	struct em28xx *dev = ir->dev; +	u8 ir_config = EM2874_IR_RC5;  	/* Adjust xclk based o IR table for RC5/NEC tables */ -	if (dev->board.ir_codes->ir_type == IR_TYPE_RC5) { + +	dev->board.ir_codes->ir_type = IR_TYPE_OTHER; +	if (ir_type == IR_TYPE_RC5) {  		dev->board.xclk |= EM28XX_XCLK_IR_RC5_MODE;  		ir->full_code = 1; -	} else  if (dev->board.ir_codes->ir_type == IR_TYPE_NEC) { +	} else if (ir_type == IR_TYPE_NEC) {  		dev->board.xclk &= ~EM28XX_XCLK_IR_RC5_MODE;  		ir_config = EM2874_IR_NEC;  		ir->full_code = 1; -	} +	} else +		rc = -EINVAL; + +	dev->board.ir_codes->ir_type = ir_type; +  	em28xx_write_reg_bits(dev, EM28XX_R0F_XCLK, dev->board.xclk,  			      EM28XX_XCLK_IR_RC5_MODE); @@ -380,9 +407,42 @@ int em28xx_ir_init(struct em28xx *dev)  		break;  	default:  		printk("Unrecognized em28xx chip id: IR not supported\n"); -		goto err_out_free; +		rc = -EINVAL; +	} + +	return rc; +} + +int em28xx_ir_init(struct em28xx *dev) +{ +	struct em28xx_IR *ir; +	struct input_dev *input_dev; +	int err = -ENOMEM; + +	if (dev->board.ir_codes == NULL) { +		/* No remote control support */ +		return 0;  	} +	ir = kzalloc(sizeof(*ir), GFP_KERNEL); +	input_dev = input_allocate_device(); +	if (!ir || !input_dev) +		goto err_out_free; + +	/* record handles to ourself */ +	ir->dev = dev; +	dev->ir = ir; + +	ir->input = input_dev; + +	/* +	 * em2874 supports more protocols. For now, let's just announce +	 * the two protocols that were already tested +	 */ +	ir->props.allowed_protos = IR_TYPE_RC5 | IR_TYPE_NEC; +	ir->props.priv = ir; +	ir->props.change_protocol = em28xx_ir_change_protocol; +  	/* This is how often we ask the chip for IR information */  	ir->polling = 100; /* ms */ @@ -393,6 +453,8 @@ int em28xx_ir_init(struct em28xx *dev)  	usb_make_path(dev->udev, ir->phys, sizeof(ir->phys));  	strlcat(ir->phys, "/input0", sizeof(ir->phys)); +	/* Set IR protocol */ +	em28xx_ir_change_protocol(ir, dev->board.ir_codes->ir_type);  	err = ir_input_init(input_dev, &ir->ir, IR_TYPE_OTHER);  	if (err < 0)  		goto err_out_free; @@ -405,14 +467,13 @@ int em28xx_ir_init(struct em28xx *dev)  	input_dev->id.product = le16_to_cpu(dev->udev->descriptor.idProduct);  	input_dev->dev.parent = &dev->udev->dev; -	/* record handles to ourself */ -	ir->dev = dev; -	dev->ir = ir; +  	em28xx_ir_start(ir);  	/* all done */ -	err = ir_input_register(ir->input, dev->board.ir_codes); +	err = ir_input_register(ir->input, dev->board.ir_codes, +				&ir->props);  	if (err)  		goto err_out_stop;  |