[media] rename drivers/media/IR to drives/media/rc

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 0 insertions, 217 deletions

diff --git a/drivers/media/IR/ir-nec-decoder.c b/drivers/media/IR/ir-nec-decoder.c
deleted file mode 100644
index 70993f79c8a..00000000000
--- a/drivers/media/IR/ir-nec-decoder.c
+++ /dev/null
@@ -1,217 +0,0 @@
-/* ir-nec-decoder.c - handle NEC IR Pulse/Space protocol
- *
- * Copyright (C) 2010 by Mauro Carvalho Chehab <mchehab@redhat.com>
- *
- * This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation version 2 of the License.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- */
-
-#include <linux/bitrev.h>
-#include "ir-core-priv.h"
-
-#define NEC_NBITS		32
-#define NEC_UNIT		562500  /* ns */
-#define NEC_HEADER_PULSE	(16 * NEC_UNIT)
-#define NECX_HEADER_PULSE	(8  * NEC_UNIT) /* Less common NEC variant */
-#define NEC_HEADER_SPACE	(8  * NEC_UNIT)
-#define NEC_REPEAT_SPACE	(4  * NEC_UNIT)
-#define NEC_BIT_PULSE		(1  * NEC_UNIT)
-#define NEC_BIT_0_SPACE		(1  * NEC_UNIT)
-#define NEC_BIT_1_SPACE		(3  * NEC_UNIT)
-#define	NEC_TRAILER_PULSE	(1  * NEC_UNIT)
-#define	NEC_TRAILER_SPACE	(10 * NEC_UNIT) /* even longer in reality */
-#define NECX_REPEAT_BITS	1
-
-enum nec_state {
-	STATE_INACTIVE,
-	STATE_HEADER_SPACE,
-	STATE_BIT_PULSE,
-	STATE_BIT_SPACE,
-	STATE_TRAILER_PULSE,
-	STATE_TRAILER_SPACE,
-};
-
-/**
- * ir_nec_decode() - Decode one NEC pulse or space
- * @input_dev:	the struct input_dev descriptor of the device
- * @duration:	the struct ir_raw_event descriptor of the pulse/space
- *
- * This function returns -EINVAL if the pulse violates the state machine
- */
-static int ir_nec_decode(struct input_dev *input_dev, struct ir_raw_event ev)
-{
-	struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
-	struct nec_dec *data = &ir_dev->raw->nec;
-	u32 scancode;
-	u8 address, not_address, command, not_command;
-
-	if (!(ir_dev->raw->enabled_protocols & IR_TYPE_NEC))
-		return 0;
-
-	if (!is_timing_event(ev)) {
-		if (ev.reset)
-			data->state = STATE_INACTIVE;
-		return 0;
-	}
-
-	IR_dprintk(2, "NEC decode started at state %d (%uus %s)\n",
-		   data->state, TO_US(ev.duration), TO_STR(ev.pulse));
-
-	switch (data->state) {
-
-	case STATE_INACTIVE:
-		if (!ev.pulse)
-			break;
-
-		if (eq_margin(ev.duration, NEC_HEADER_PULSE, NEC_UNIT / 2)) {
-			data->is_nec_x = false;
-			data->necx_repeat = false;
-		} else if (eq_margin(ev.duration, NECX_HEADER_PULSE, NEC_UNIT / 2))
-			data->is_nec_x = true;
-		else
-			break;
-
-		data->count = 0;
-		data->state = STATE_HEADER_SPACE;
-		return 0;
-
-	case STATE_HEADER_SPACE:
-		if (ev.pulse)
-			break;
-
-		if (eq_margin(ev.duration, NEC_HEADER_SPACE, NEC_UNIT / 2)) {
-			data->state = STATE_BIT_PULSE;
-			return 0;
-		} else if (eq_margin(ev.duration, NEC_REPEAT_SPACE, NEC_UNIT / 2)) {
-			ir_repeat(input_dev);
-			IR_dprintk(1, "Repeat last key\n");
-			data->state = STATE_TRAILER_PULSE;
-			return 0;
-		}
-
-		break;
-
-	case STATE_BIT_PULSE:
-		if (!ev.pulse)
-			break;
-
-		if (!eq_margin(ev.duration, NEC_BIT_PULSE, NEC_UNIT / 2))
-			break;
-
-		data->state = STATE_BIT_SPACE;
-		return 0;
-
-	case STATE_BIT_SPACE:
-		if (ev.pulse)
-			break;
-
-		if (data->necx_repeat && data->count == NECX_REPEAT_BITS &&
-			geq_margin(ev.duration,
-			NEC_TRAILER_SPACE, NEC_UNIT / 2)) {
-				IR_dprintk(1, "Repeat last key\n");
-				ir_repeat(input_dev);
-				data->state = STATE_INACTIVE;
-				return 0;
-
-		} else if (data->count > NECX_REPEAT_BITS)
-			data->necx_repeat = false;
-
-		data->bits <<= 1;
-		if (eq_margin(ev.duration, NEC_BIT_1_SPACE, NEC_UNIT / 2))
-			data->bits |= 1;
-		else if (!eq_margin(ev.duration, NEC_BIT_0_SPACE, NEC_UNIT / 2))
-			break;
-		data->count++;
-
-		if (data->count == NEC_NBITS)
-			data->state = STATE_TRAILER_PULSE;
-		else
-			data->state = STATE_BIT_PULSE;
-
-		return 0;
-
-	case STATE_TRAILER_PULSE:
-		if (!ev.pulse)
-			break;
-
-		if (!eq_margin(ev.duration, NEC_TRAILER_PULSE, NEC_UNIT / 2))
-			break;
-
-		data->state = STATE_TRAILER_SPACE;
-		return 0;
-
-	case STATE_TRAILER_SPACE:
-		if (ev.pulse)
-			break;
-
-		if (!geq_margin(ev.duration, NEC_TRAILER_SPACE, NEC_UNIT / 2))
-			break;
-
-		address     = bitrev8((data->bits >> 24) & 0xff);
-		not_address = bitrev8((data->bits >> 16) & 0xff);
-		command	    = bitrev8((data->bits >>  8) & 0xff);
-		not_command = bitrev8((data->bits >>  0) & 0xff);
-
-		if ((command ^ not_command) != 0xff) {
-			IR_dprintk(1, "NEC checksum error: received 0x%08x\n",
-				   data->bits);
-			break;
-		}
-
-		if ((address ^ not_address) != 0xff) {
-			/* Extended NEC */
-			scancode = address     << 16 |
-				   not_address <<  8 |
-				   command;
-			IR_dprintk(1, "NEC (Ext) scancode 0x%06x\n", scancode);
-		} else {
-			/* Normal NEC */
-			scancode = address << 8 | command;
-			IR_dprintk(1, "NEC scancode 0x%04x\n", scancode);
-		}
-
-		if (data->is_nec_x)
-			data->necx_repeat = true;
-
-		ir_keydown(input_dev, scancode, 0);
-		data->state = STATE_INACTIVE;
-		return 0;
-	}
-
-	IR_dprintk(1, "NEC decode failed at state %d (%uus %s)\n",
-		   data->state, TO_US(ev.duration), TO_STR(ev.pulse));
-	data->state = STATE_INACTIVE;
-	return -EINVAL;
-}
-
-static struct ir_raw_handler nec_handler = {
-	.protocols	= IR_TYPE_NEC,
-	.decode		= ir_nec_decode,
-};
-
-static int __init ir_nec_decode_init(void)
-{
-	ir_raw_handler_register(&nec_handler);
-
-	printk(KERN_INFO "IR NEC protocol handler initialized\n");
-	return 0;
-}
-
-static void __exit ir_nec_decode_exit(void)
-{
-	ir_raw_handler_unregister(&nec_handler);
-}
-
-module_init(ir_nec_decode_init);
-module_exit(ir_nec_decode_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>");
-MODULE_AUTHOR("Red Hat Inc. (http://www.redhat.com)");
-MODULE_DESCRIPTION("NEC IR protocol decoder");