Ejemplo n.º 1
0
static void tm6000_ir_int_work(struct work_struct *work)
{
	struct tm6000_IR *ir = container_of(work, struct tm6000_IR, work.work);
	struct tm6000_core *dev = ir->dev;
	int rc;

	dprintk(3, "%s, submit_urb = %d, pwled = %d\n",__func__, ir->submit_urb,
		ir->pwled);

	if (ir->submit_urb) {
		dprintk(3, "Resubmit urb\n");
		tm6000_set_reg(dev, REQ_04_EN_DISABLE_MCU_INT, 2, 0);

		rc = usb_submit_urb(ir->int_urb, GFP_ATOMIC);
		if (rc < 0) {
			printk(KERN_ERR "tm6000: Can't submit an IR interrupt. Error %i\n",
			       rc);
			/* Retry in 100 ms */
			schedule_delayed_work(&ir->work, msecs_to_jiffies(URB_SUBMIT_DELAY));
			return;
		}
		ir->submit_urb = 0;
	}

	/* Led is enabled only if USB submit doesn't fail */
	if (ir->pwled == 2) {
		tm6000_flash_led(dev, 0);
		ir->pwled = 0;
		schedule_delayed_work(&ir->work, msecs_to_jiffies(URB_INT_LED_DELAY));
	} else if (!ir->pwled) {
		tm6000_flash_led(dev, 1);
		ir->pwled = 1;
	}
}
Ejemplo n.º 2
0
static void tm6000_ir_handle_key(struct work_struct *work)
{
	struct tm6000_IR *ir = container_of(work, struct tm6000_IR, work.work);
	struct tm6000_core *dev = ir->dev;
	int rc;
	u8 buf[2];

	if (ir->wait)
		return;

	dprintk(3, "%s\n",__func__);

	rc = tm6000_read_write_usb(dev, USB_DIR_IN |
		USB_TYPE_VENDOR | USB_RECIP_DEVICE,
		REQ_02_GET_IR_CODE, 0, 0, buf, 2);
	if (rc < 0)
		return;

	/* Check if something was read */
	if ((buf[0] & 0xff) == 0xff) {
		if (!ir->pwled) {
			tm6000_flash_led(dev, 1);
			ir->pwled = 1;
		}
		return;
	}

	tm6000_ir_keydown(ir, buf, rc);
	tm6000_flash_led(dev, 0);
	ir->pwled = 0;

	/* Re-schedule polling */
	schedule_delayed_work(&ir->work, msecs_to_jiffies(ir->polling));
}
Ejemplo n.º 3
0
int tm6000_ir_fini(struct tm6000_core *dev)
{
	struct tm6000_IR *ir = dev->ir;

	/* skip detach on non attached board */

	if (!ir)
		return 0;

	dprintk(2, "%s\n",__func__);

	if (!ir->polling)
		__tm6000_ir_int_stop(ir->rc);

	tm6000_ir_stop(ir->rc);

	/* Turn off the led */
	tm6000_flash_led(dev, 0);
	ir->pwled = 0;

	rc_unregister_device(ir->rc);

	kfree(ir);
	dev->ir = NULL;

	return 0;
}
Ejemplo n.º 4
0
static void tm6000_ir_handle_key(struct work_struct *work)
{
	struct tm6000_IR *ir = container_of(work, struct tm6000_IR, work.work);
	struct tm6000_core *dev = ir->dev;
	struct tm6000_ir_poll_result poll_result;
	int rc;
	u8 buf[2];

	if (ir->wait)
		return;

	dprintk(3, "%s\n",__func__);

	rc = tm6000_read_write_usb(dev, USB_DIR_IN |
		USB_TYPE_VENDOR | USB_RECIP_DEVICE,
		REQ_02_GET_IR_CODE, 0, 0, buf, 2);
	if (rc < 0)
		return;

	if (rc > 1)
		poll_result.rc_data = buf[0] | buf[1] << 8;
	else
		poll_result.rc_data = buf[0];

	/* Check if something was read */
	if ((poll_result.rc_data & 0xff) == 0xff) {
		if (!ir->pwled) {
			tm6000_flash_led(dev, 1);
			ir->pwled = 1;
		}
		return;
	}

	dprintk(1, "%s, scancode: 0x%04x\n",__func__, poll_result.rc_data);
	rc_keydown(ir->rc, poll_result.rc_data, 0);
	tm6000_flash_led(dev, 0);
	ir->pwled = 0;

	/* Re-schedule polling */
	schedule_delayed_work(&ir->work, msecs_to_jiffies(ir->polling));
}
Ejemplo n.º 5
0
static int tm6000_ir_config(struct tm6000_IR *ir)
{
	struct tm6000_core *dev = ir->dev;
	u32 pulse = 0, leader = 0;

	dprintk(2, "%s\n",__func__);

	/*
	 * The IR decoder supports RC-5 or NEC, with a configurable timing.
	 * The timing configuration there is not that accurate, as it uses
	 * approximate values. The NEC spec mentions a 562.5 unit period,
	 * and RC-5 uses a 888.8 period.
	 * Currently, driver assumes a clock provided by a 12 MHz XTAL, but
	 * a modprobe parameter can adjust it.
	 * Adjustments are required for other timings.
	 * It seems that the 900ms timing for NEC is used to detect a RC-5
	 * IR, in order to discard such decoding
	 */

	switch (ir->rc_type) {
	case RC_BIT_NEC:
		leader = 900;	/* ms */
		pulse  = 700;	/* ms - the actual value would be 562 */
		break;
	default:
	case RC_BIT_RC5:
		leader = 900;	/* ms - from the NEC decoding */
		pulse  = 1780;	/* ms - The actual value would be 1776 */
		break;
	}

	pulse = ir_clock_mhz * pulse;
	leader = ir_clock_mhz * leader;
	if (ir->rc_type == RC_BIT_NEC)
		leader = leader | 0x8000;

	dprintk(2, "%s: %s, %d MHz, leader = 0x%04x, pulse = 0x%06x \n",
		__func__,
		(ir->rc_type == RC_BIT_NEC) ? "NEC" : "RC-5",
		ir_clock_mhz, leader, pulse);

	/* Remote WAKEUP = enable, normal mode, from IR decoder output */
	tm6000_set_reg(dev, TM6010_REQ07_RE5_REMOTE_WAKEUP, 0xfe);

	/* Enable IR reception on non-busrt mode */
	tm6000_set_reg(dev, TM6010_REQ07_RD8_IR, 0x2f);

	/* IR_WKUP_SEL = Low byte in decoded IR data */
	tm6000_set_reg(dev, TM6010_REQ07_RDA_IR_WAKEUP_SEL, 0xff);
	/* IR_WKU_ADD code */
	tm6000_set_reg(dev, TM6010_REQ07_RDB_IR_WAKEUP_ADD, 0xff);

	tm6000_set_reg(dev, TM6010_REQ07_RDC_IR_LEADER1, leader >> 8);
	tm6000_set_reg(dev, TM6010_REQ07_RDD_IR_LEADER0, leader);

	tm6000_set_reg(dev, TM6010_REQ07_RDE_IR_PULSE_CNT1, pulse >> 8);
	tm6000_set_reg(dev, TM6010_REQ07_RDF_IR_PULSE_CNT0, pulse);

	if (!ir->polling)
		tm6000_set_reg(dev, REQ_04_EN_DISABLE_MCU_INT, 2, 0);
	else
		tm6000_set_reg(dev, REQ_04_EN_DISABLE_MCU_INT, 2, 1);
	msleep(10);

	/* Shows that IR is working via the LED */
	tm6000_flash_led(dev, 0);
	msleep(100);
	tm6000_flash_led(dev, 1);
	ir->pwled = 1;

	return 0;
}