Esempi in C++ (Cpp) per s5p_cec_set_tx_state

Esempio n. 1

File: s5p_tvout_cec.c Progetto: mogchen/Homura-Note

static irqreturn_t s5p_cec_irq_handler(int irq, void *dev_id)
{

	u32 status = 0;

	status = s5p_cec_get_status();

	if (status & CEC_STATUS_TX_DONE) {
		if (status & CEC_STATUS_TX_ERROR) {
			tvout_dbg(" CEC_STATUS_TX_ERROR!\n");
			s5p_cec_set_tx_state(STATE_ERROR);
		} else {
			tvout_dbg(" CEC_STATUS_TX_DONE!\n");
			s5p_cec_set_tx_state(STATE_DONE);
		}

		s5p_clr_pending_tx();

		wake_up_interruptible(&cec_tx_struct.waitq);
	}

	if (status & CEC_STATUS_RX_DONE) {
		if (status & CEC_STATUS_RX_ERROR) {
			tvout_dbg(" CEC_STATUS_RX_ERROR!\n");
			s5p_cec_rx_reset();

		} else {
			u32 size;

			tvout_dbg(" CEC_STATUS_RX_DONE!\n");

			/* copy data from internal buffer */
			size = status >> 24;

			spin_lock(&cec_rx_struct.lock);

			s5p_cec_get_rx_buf(size, cec_rx_struct.buffer);

			cec_rx_struct.size = size;

			s5p_cec_set_rx_state(STATE_DONE);

			spin_unlock(&cec_rx_struct.lock);

			s5p_cec_enable_rx();
		}

		/* clear interrupt pending bit */
		s5p_clr_pending_rx();

		wake_up_interruptible(&cec_rx_struct.waitq);
	}

	return IRQ_HANDLED;
}

Esempio n. 2

File: cec_s5pv210.c Progetto: abc2402878/linux-tiny210v2

void s5p_cec_copy_packet(char *data, size_t count)
{
	int i = 0;
	u8 reg;
	/* copy packet to hardware buffer */
	while (i < count) {
		writeb(data[i], g_cec_base + (CEC_TX_BUFF0 + (i*4)));
		i++;
	}

	/* set number of bytes to transfer */
	writeb(count, g_cec_base + CEC_TX_BYTES);

	s5p_cec_set_tx_state(STATE_TX);

	/* start transfer */
	reg = readb(g_cec_base + CEC_TX_CTRL);

	reg |= CEC_TX_CTRL_START;

	/* if message is broadcast message - set corresponding bit */
	if ((data[0] & CEC_MESSAGE_BROADCAST_MASK) == CEC_MESSAGE_BROADCAST)
		reg |= CEC_TX_CTRL_BCAST;
	else
		reg &= ~CEC_TX_CTRL_BCAST;

	/* set number of retransmissions */
	reg |= 0x50;

	writeb(reg, g_cec_base + CEC_TX_CTRL);
}

Esempio n. 3

File: hdmi_cec_ctrl.c Progetto: Kr0n0/android_kernel_hardkernel_odroidxu3

void s5p_cec_copy_packet(char *data, size_t count)
{
	int i = 0;
	u8 reg;

	while (i < count) {
		writeb(data[i], cec_base + (S5P_CES_TX_BUFF0 + (i * 4)));
		i++;
	}

	writeb(count, cec_base + S5P_CES_TX_BYTES);
	s5p_cec_set_tx_state(STATE_TX);
	reg = readb(cec_base + S5P_CES_TX_CTRL);
	reg |= S5P_CES_TX_CTRL_START;

	if ((data[0] & CEC_MESSAGE_BROADCAST_MASK) == CEC_MESSAGE_BROADCAST)
		reg |= S5P_CES_TX_CTRL_BCAST;
	else
		reg &= ~S5P_CES_TX_CTRL_BCAST;

	reg |= 0x50;
	writeb(reg, cec_base + S5P_CES_TX_CTRL);
}