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Commit 9c81a7bc authored by Madhukar Sandi's avatar Madhukar Sandi Committed by Gerrit - the friendly Code Review server
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media: rc: NEC repeat code for GENI IR controller 



NEC repeat code functionality added for GENI IR controller.

Change-Id: I0c168f66498a66ab7e64e088d6d0fb264ca1c304
Signed-off-by: default avatarMadhukar Sandi <msandi@codeaurora.org>
parent b969957c

drivers/media/rc/msm-geni-ir.c

+25 −14
Original line number Diff line number Diff line
@@ -80,8 +80,11 @@ 
#define TX_CLK_DIV_VALUE(X)		(((X) & 0xFFF) << 14)



#define GENI_IR_RX_FIFO_WTRMRK_EN       0x400

#define GENI_IR_RX_NEC_REPEAT_DETECT    0x40000



#define GENI_IR_DEF_IRQ_EN              (GENI_IR_RX_FIFO_WTRMRK_EN | \

	GENI_IR_RX_NEC_REPEAT_DETECT)



#define GENI_IR_DEF_IRQ_EN              GENI_IR_RX_FIFO_WTRMRK_EN

#define GENI_IR_DEF_WAKEUP_MASK         0x00FFFFFF

#define GENI_IR_MAX_WAKEUP_CODES        10

#define RX_CLK_DIV                      0x258
@@ -374,6 +377,7 @@ struct msm_geni_ir { 
	unsigned int             gpio_tx;

#endif

	u32                      wakeup_mask;

	u32                      rx_data;

	u32                      wakeup_codes[GENI_IR_MAX_WAKEUP_CODES];

	u8                       num_wakeup_codes;

};
@@ -700,7 +704,7 @@ static irqreturn_t geni_ir_wakeup_handler(int irq, void *data) 
static irqreturn_t geni_ir_interrupt(int irq, void *data)

{

	struct msm_geni_ir *ir = data;

	u32 i, irq_sts, fifo_sts, rx_data, cnt;

	u32 i, irq_sts, fifo_sts, cnt;



	pr_debug("Received Interrupt\n");

	/* read irq status */
@@ -716,35 +720,42 @@ static irqreturn_t geni_ir_interrupt(int irq, void *data) 
		u8 command, system, toggle = 0, address1, address2;

		u32 scancode;



		rx_data = readl_relaxed(ir->base + IR_GENI_RX_FIFO(i));

		ir->rx_data = readl_relaxed(ir->base + IR_GENI_RX_FIFO(i));

		if (ir->image_loaded == &rc5_geni_image) {

			/* RC5 */

			command  = (rx_data & 0x00003F);

			system   = (rx_data & 0x0007C0) >> 6;

			toggle   = (rx_data & 0x000800) ? 1 : 0;

			command += (rx_data & 0x001000) ? 0 : 0x40;

			command  = (ir->rx_data & 0x00003F);

			system   = (ir->rx_data & 0x0007C0) >> 6;

			toggle   = (ir->rx_data & 0x000800) ? 1 : 0;

			command += (ir->rx_data & 0x001000) ? 0 : 0x40;

			scancode = system << 8 | command;

			rc_keydown(ir->rcdev, RC_PROTO_RC5, scancode, toggle);

		} else if (ir->image_loaded == &rc6_geni_image) {

			/* RC6 */

			scancode = (rx_data & 0x00FFFF);

			toggle   = (rx_data & 0x010000) ? 1 : 0;

			scancode = (ir->rx_data & 0x00FFFF);

			toggle   = (ir->rx_data & 0x010000) ? 1 : 0;

			rc_keydown(ir->rcdev, RC_PROTO_RC6_0, scancode, toggle);

		} else {

			/*NEC*/

			scancode = (rx_data & 0x0000FF);

			scancode = (ir->rx_data & 0x0000FF);

			scancode = ~scancode;

			scancode = (scancode & 0x0000FF);

			address2 = (rx_data & 0x00FF0000);

			address1 = (rx_data & 0xFF000000);

			address2 = (ir->rx_data & 0x00FF0000);

			address1 = (ir->rx_data & 0xFF000000);

			rc_keydown(ir->rcdev, RC_PROTO_NEC, scancode, 0);

		}



		pr_debug("rcvd code 0x%x scancode 0x%x toggle %d\n",

			rx_data, scancode, toggle);

			ir->rx_data, scancode, toggle);



	}



	if ((irq_sts & GENI_IR_RX_NEC_REPEAT_DETECT) &&

		(ir->image_loaded == &nec_geni_image)) {

		u32 nec_scancode;

			nec_scancode = (ir->rx_data & 0x0000FF);

			nec_scancode = ~nec_scancode;

			nec_scancode = (nec_scancode & 0x0000FF);

			rc_keydown(ir->rcdev, RC_PROTO_NEC, nec_scancode, 0);

	}

	/* ack irq */

	writel_relaxed((irq_sts & ~M_CMD_DONE), ir->base + IR_GENI_IRQ_CLEAR);

	/*write memory barrier*/