diff mbox

[3/3,media] rc: Remove ir-common module

Message ID 20101113173319.53942066@pedra (mailing list archive)
State Accepted
Headers show

Commit Message

Mauro Carvalho Chehab Nov. 13, 2010, 7:33 p.m. UTC
None
diff mbox

Patch

diff --git a/drivers/media/rc/Kconfig b/drivers/media/rc/Kconfig
index 2d15468..ef19375 100644
--- a/drivers/media/rc/Kconfig
+++ b/drivers/media/rc/Kconfig
@@ -10,11 +10,6 @@  menuconfig IR_CORE
 	  if you don't need IR, as otherwise, you may not be able to
 	  compile the driver for your adapter.
 
-config IR_LEGACY
-	tristate
-	depends on IR_CORE
-	default IR_CORE
-
 if IR_CORE
 
 config LIRC
diff --git a/drivers/media/rc/Makefile b/drivers/media/rc/Makefile
index 859c12c..8c0e4cb 100644
--- a/drivers/media/rc/Makefile
+++ b/drivers/media/rc/Makefile
@@ -1,10 +1,8 @@ 
-ir-common-objs  := ir-functions.o
 rc-core-objs	:= rc-main.o rc-raw.o
 
 obj-y += keymaps/
 
 obj-$(CONFIG_IR_CORE) += rc-core.o
-obj-$(CONFIG_IR_LEGACY) += ir-common.o
 obj-$(CONFIG_LIRC) += lirc_dev.o
 obj-$(CONFIG_IR_NEC_DECODER) += ir-nec-decoder.o
 obj-$(CONFIG_IR_RC5_DECODER) += ir-rc5-decoder.o
diff --git a/drivers/media/rc/ir-functions.c b/drivers/media/rc/ir-functions.c
deleted file mode 100644
index 14397d0..0000000
--- a/drivers/media/rc/ir-functions.c
+++ /dev/null
@@ -1,120 +0,0 @@ 
-/*
- * some common functions to handle infrared remote protocol decoding for
- * drivers which have not yet been (or can't be) converted to use the
- * regular protocol decoders...
- *
- * (c) 2003 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
- *
- *  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; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  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.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#include <linux/module.h>
-#include <linux/string.h>
-#include <linux/jiffies.h>
-#include <media/ir-common.h>
-#include "rc-core-priv.h"
-
-/* -------------------------------------------------------------------------- */
-
-MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
-MODULE_LICENSE("GPL");
-
-/* RC5 decoding stuff, moved from bttv-input.c to share it with
- * saa7134 */
-
-/* decode raw bit pattern to RC5 code */
-static u32 ir_rc5_decode(unsigned int code)
-{
-	unsigned int org_code = code;
-	unsigned int pair;
-	unsigned int rc5 = 0;
-	int i;
-
-	for (i = 0; i < 14; ++i) {
-		pair = code & 0x3;
-		code >>= 2;
-
-		rc5 <<= 1;
-		switch (pair) {
-		case 0:
-		case 2:
-			break;
-		case 1:
-			rc5 |= 1;
-			break;
-		case 3:
-			IR_dprintk(1, "ir-common: ir_rc5_decode(%x) bad code\n", org_code);
-			return 0;
-		}
-	}
-	IR_dprintk(1, "ir-common: code=%x, rc5=%x, start=%x, toggle=%x, address=%x, "
-		"instr=%x\n", rc5, org_code, RC5_START(rc5),
-		RC5_TOGGLE(rc5), RC5_ADDR(rc5), RC5_INSTR(rc5));
-	return rc5;
-}
-
-void ir_rc5_timer_end(unsigned long data)
-{
-	struct card_ir *ir = (struct card_ir *)data;
-	struct timeval tv;
-	unsigned long current_jiffies;
-	u32 gap;
-	u32 rc5 = 0;
-
-	/* get time */
-	current_jiffies = jiffies;
-	do_gettimeofday(&tv);
-
-	/* avoid overflow with gap >1s */
-	if (tv.tv_sec - ir->base_time.tv_sec > 1) {
-		gap = 200000;
-	} else {
-		gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
-		    tv.tv_usec - ir->base_time.tv_usec;
-	}
-
-	/* signal we're ready to start a new code */
-	ir->active = 0;
-
-	/* Allow some timer jitter (RC5 is ~24ms anyway so this is ok) */
-	if (gap < 28000) {
-		IR_dprintk(1, "ir-common: spurious timer_end\n");
-		return;
-	}
-
-	if (ir->last_bit < 20) {
-		/* ignore spurious codes (caused by light/other remotes) */
-		IR_dprintk(1, "ir-common: short code: %x\n", ir->code);
-	} else {
-		ir->code = (ir->code << ir->shift_by) | 1;
-		rc5 = ir_rc5_decode(ir->code);
-
-		/* two start bits? */
-		if (RC5_START(rc5) != ir->start) {
-			IR_dprintk(1, "ir-common: rc5 start bits invalid: %u\n", RC5_START(rc5));
-
-			/* right address? */
-		} else if (RC5_ADDR(rc5) == ir->addr) {
-			u32 toggle = RC5_TOGGLE(rc5);
-			u32 instr = RC5_INSTR(rc5);
-
-			/* Good code */
-			ir_keydown(ir->dev, instr, toggle);
-			IR_dprintk(1, "ir-common: instruction %x, toggle %x\n",
-				   instr, toggle);
-		}
-	}
-}
-EXPORT_SYMBOL_GPL(ir_rc5_timer_end);
diff --git a/drivers/media/video/bt8xx/Kconfig b/drivers/media/video/bt8xx/Kconfig
index 659e448..3c7c0a5 100644
--- a/drivers/media/video/bt8xx/Kconfig
+++ b/drivers/media/video/bt8xx/Kconfig
@@ -4,7 +4,7 @@  config VIDEO_BT848
 	select I2C_ALGOBIT
 	select VIDEO_BTCX
 	select VIDEOBUF_DMA_SG
-	depends on IR_LEGACY
+	depends on IR_CORE
 	select VIDEO_TUNER
 	select VIDEO_TVEEPROM
 	select VIDEO_MSP3400 if VIDEO_HELPER_CHIPS_AUTO
diff --git a/drivers/media/video/bt8xx/bttv-input.c b/drivers/media/video/bt8xx/bttv-input.c
index 4b4f613..03ef89f 100644
--- a/drivers/media/video/bt8xx/bttv-input.c
+++ b/drivers/media/video/bt8xx/bttv-input.c
@@ -140,7 +140,100 @@  static void bttv_input_timer(unsigned long data)
 	mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
 }
 
-/* ---------------------------------------------------------------*/
+/*
+ * FIXME: Nebula digi uses the legacy way to decode RC5, instead of relying
+ * on the rc-core way. As we need to be sure that both IRQ transitions are
+ * properly triggered, Better to touch it only with this hardware for
+ * testing.
+ */
+
+/* decode raw bit pattern to RC5 code */
+static u32 bttv_rc5_decode(unsigned int code)
+{
+	unsigned int org_code = code;
+	unsigned int pair;
+	unsigned int rc5 = 0;
+	int i;
+
+	for (i = 0; i < 14; ++i) {
+		pair = code & 0x3;
+		code >>= 2;
+
+		rc5 <<= 1;
+		switch (pair) {
+		case 0:
+		case 2:
+			break;
+		case 1:
+			rc5 |= 1;
+		break;
+		case 3:
+			dprintk(KERN_INFO DEVNAME ":rc5_decode(%x) bad code\n",
+				org_code);
+			return 0;
+		}
+	}
+	dprintk(KERN_INFO DEVNAME ":"
+		"code=%x, rc5=%x, start=%x, toggle=%x, address=%x, "
+		"instr=%x\n", rc5, org_code, RC5_START(rc5),
+		RC5_TOGGLE(rc5), RC5_ADDR(rc5), RC5_INSTR(rc5));
+	return rc5;
+}
+
+void bttv_rc5_timer_end(unsigned long data)
+{
+	struct card_ir *ir = (struct card_ir *)data;
+	struct timeval tv;
+	unsigned long current_jiffies;
+	u32 gap;
+	u32 rc5 = 0;
+
+	/* get time */
+	current_jiffies = jiffies;
+	do_gettimeofday(&tv);
+
+	/* avoid overflow with gap >1s */
+	if (tv.tv_sec - ir->base_time.tv_sec > 1) {
+		gap = 200000;
+	} else {
+		gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
+		    tv.tv_usec - ir->base_time.tv_usec;
+	}
+
+	/* signal we're ready to start a new code */
+	ir->active = 0;
+
+	/* Allow some timer jitter (RC5 is ~24ms anyway so this is ok) */
+	if (gap < 28000) {
+		dprintk(KERN_INFO DEVNAME ": spurious timer_end\n");
+		return;
+	}
+
+	if (ir->last_bit < 20) {
+		/* ignore spurious codes (caused by light/other remotes) */
+		dprintk(KERN_INFO DEVNAME ": short code: %x\n", ir->code);
+	} else {
+		ir->code = (ir->code << ir->shift_by) | 1;
+		rc5 = bttv_rc5_decode(ir->code);
+
+		/* two start bits? */
+		if (RC5_START(rc5) != ir->start) {
+			printk(KERN_INFO DEVNAME ":"
+			       " rc5 start bits invalid: %u\n", RC5_START(rc5));
+
+			/* right address? */
+		} else if (RC5_ADDR(rc5) == ir->addr) {
+			u32 toggle = RC5_TOGGLE(rc5);
+			u32 instr = RC5_INSTR(rc5);
+
+			/* Good code */
+			ir_keydown(ir->dev, instr, toggle);
+			dprintk(KERN_INFO DEVNAME ":"
+				" instruction %x, toggle %x\n",
+				instr, toggle);
+		}
+	}
+}
 
 static int bttv_rc5_irq(struct bttv *btv)
 {
@@ -283,10 +376,10 @@  void __devinit init_bttv_i2c_ir(struct bttv *btv)
 	default:
 		/*
 		 * The external IR receiver is at i2c address 0x34 (0x35 for
-                 * reads).  Future Hauppauge cards will have an internal
-                 * receiver at 0x30 (0x31 for reads).  In theory, both can be
-                 * fitted, and Hauppauge suggest an external overrides an
-                 * internal.
+		 * reads).  Future Hauppauge cards will have an internal
+		 * receiver at 0x30 (0x31 for reads).  In theory, both can be
+		 * fitted, and Hauppauge suggest an external overrides an
+		 * internal.
 		 * That's why we probe 0x1a (~0x34) first. CB
 		 */
 
diff --git a/drivers/media/video/saa7134/Kconfig b/drivers/media/video/saa7134/Kconfig
index 32a95a2..e03bff9 100644
--- a/drivers/media/video/saa7134/Kconfig
+++ b/drivers/media/video/saa7134/Kconfig
@@ -26,7 +26,7 @@  config VIDEO_SAA7134_ALSA
 
 config VIDEO_SAA7134_RC
 	bool "Philips SAA7134 Remote Controller support"
-	depends on IR_LEGACY
+	depends on IR_CORE
 	depends on VIDEO_SAA7134
 	default y
 	---help---