All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Mark F. Brown" <mark.brown314@gmail.com>
To: Eric Miao <eric.y.miao@gmail.com>,
	Haojian Zhuang <haojian.zhuang@marvell.com>,
	"Mark F. Brown" <mark.brown314@gmail.com>,
	linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
	linux-kernel@vger.kernel.org, linux-input@vger.kernel.org
Cc: "Mark F. Brown" <mark.brown314@gmail.com>
Subject: [PATCH 4/5] ARM: pxa168: added special case handler for keypad interrupts
Date: Thu, 26 Aug 2010 05:18:58 -0400	[thread overview]
Message-ID: <1282814339-10934-5-git-send-email-mark.brown314@gmail.com> (raw)
In-Reply-To: <1282814339-10934-1-git-send-email-mark.brown314@gmail.com>

Signed-off-by: Mark F. Brown <mark.brown314@gmail.com>
---
 arch/arm/mach-mmp/irq-pxa168.c |   23 ++++++++++++++++++++++-
 1 files changed, 22 insertions(+), 1 deletions(-)

diff --git a/arch/arm/mach-mmp/irq-pxa168.c b/arch/arm/mach-mmp/irq-pxa168.c
index 52ff2f0..bfb0984 100644
--- a/arch/arm/mach-mmp/irq-pxa168.c
+++ b/arch/arm/mach-mmp/irq-pxa168.c
@@ -17,6 +17,8 @@
 #include <linux/io.h>
 
 #include <mach/regs-icu.h>
+#include <mach/regs-apmu.h>
+#include <mach/cputype.h>
 
 #include "common.h"
 
@@ -42,6 +44,19 @@ static struct irq_chip icu_irq_chip = {
 	.unmask	= icu_unmask_irq,
 };
 
+void handle_pxa168_keypad_irq(unsigned int irq, struct irq_desc *desc)
+{
+	uint32_t val;
+	uint32_t mask = APMU_PXA168_KP_WAKE_CLR;
+
+	/* clear keypad wake event */
+	val = __raw_readl(APMU_WAKE_CLR);
+	__raw_writel(val |  mask, APMU_WAKE_CLR);
+
+	/* handle irq */
+	handle_level_irq(irq, desc);
+}
+
 void __init icu_init_irq(void)
 {
 	int irq;
@@ -49,7 +64,13 @@ void __init icu_init_irq(void)
 	for (irq = 0; irq < 64; irq++) {
 		icu_mask_irq(irq);
 		set_irq_chip(irq, &icu_irq_chip);
-		set_irq_handler(irq, handle_level_irq);
+
+		/* special handler for keypad */
+		if (cpu_is_pxa168() && irq == IRQ_PXA168_KEYPAD)
+			set_irq_handler(irq, handle_pxa168_keypad_irq);
+		else
+			set_irq_handler(irq, handle_level_irq);
+
 		set_irq_flags(irq, IRQF_VALID);
 	}
 }
-- 
1.7.0.4


WARNING: multiple messages have this Message-ID (diff)
From: mark.brown314@gmail.com (Mark F. Brown)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 4/5] ARM: pxa168: added special case handler for keypad interrupts
Date: Thu, 26 Aug 2010 05:18:58 -0400	[thread overview]
Message-ID: <1282814339-10934-5-git-send-email-mark.brown314@gmail.com> (raw)
In-Reply-To: <1282814339-10934-1-git-send-email-mark.brown314@gmail.com>

Signed-off-by: Mark F. Brown <mark.brown314@gmail.com>
---
 arch/arm/mach-mmp/irq-pxa168.c |   23 ++++++++++++++++++++++-
 1 files changed, 22 insertions(+), 1 deletions(-)

diff --git a/arch/arm/mach-mmp/irq-pxa168.c b/arch/arm/mach-mmp/irq-pxa168.c
index 52ff2f0..bfb0984 100644
--- a/arch/arm/mach-mmp/irq-pxa168.c
+++ b/arch/arm/mach-mmp/irq-pxa168.c
@@ -17,6 +17,8 @@
 #include <linux/io.h>
 
 #include <mach/regs-icu.h>
+#include <mach/regs-apmu.h>
+#include <mach/cputype.h>
 
 #include "common.h"
 
@@ -42,6 +44,19 @@ static struct irq_chip icu_irq_chip = {
 	.unmask	= icu_unmask_irq,
 };
 
+void handle_pxa168_keypad_irq(unsigned int irq, struct irq_desc *desc)
+{
+	uint32_t val;
+	uint32_t mask = APMU_PXA168_KP_WAKE_CLR;
+
+	/* clear keypad wake event */
+	val = __raw_readl(APMU_WAKE_CLR);
+	__raw_writel(val |  mask, APMU_WAKE_CLR);
+
+	/* handle irq */
+	handle_level_irq(irq, desc);
+}
+
 void __init icu_init_irq(void)
 {
 	int irq;
@@ -49,7 +64,13 @@ void __init icu_init_irq(void)
 	for (irq = 0; irq < 64; irq++) {
 		icu_mask_irq(irq);
 		set_irq_chip(irq, &icu_irq_chip);
-		set_irq_handler(irq, handle_level_irq);
+
+		/* special handler for keypad */
+		if (cpu_is_pxa168() && irq == IRQ_PXA168_KEYPAD)
+			set_irq_handler(irq, handle_pxa168_keypad_irq);
+		else
+			set_irq_handler(irq, handle_level_irq);
+
 		set_irq_flags(irq, IRQF_VALID);
 	}
 }
-- 
1.7.0.4

  parent reply	other threads:[~2010-08-31  2:36 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-26  9:18 [PATCH 0/5] ARM: pxa168: add keypad support Mark F. Brown
2010-08-26  9:18 ` Mark F. Brown
2010-08-26  9:18 ` [PATCH 1/5] ARM: pxa27x/pxa3xx: moved pxa27x_keypad.h to platform pxa directory Mark F. Brown
2010-08-26  9:18   ` Mark F. Brown
2010-08-26  9:18   ` Mark F. Brown
2010-08-31  4:13   ` Eric Miao
2010-08-31  4:13     ` Eric Miao
2010-08-31  4:13     ` Eric Miao
2010-08-26  9:18 ` [PATCH 2/5] ARM: pxa168: added keypad support Mark F. Brown
2010-08-26  9:18   ` Mark F. Brown
2010-08-26  9:18   ` Mark F. Brown
2010-08-31  4:56   ` Haojian Zhuang
2010-08-31  4:56     ` Haojian Zhuang
2010-08-26  9:18 ` [PATCH 3/5] ARM: pxa168: added wake clear register support for APMU Mark F. Brown
2010-08-26  9:18 ` Mark F. Brown
2010-08-26  9:18   ` Mark F. Brown
2010-08-26  9:18 ` [PATCH 4/5] ARM: pxa168: added special case handler for keypad interrupts Mark F. Brown
2010-08-26  9:18 ` Mark F. Brown [this message]
2010-08-26  9:18   ` Mark F. Brown
2010-08-31  4:53   ` Haojian Zhuang
2010-08-31  4:53     ` Haojian Zhuang
2010-08-31  4:53     ` Haojian Zhuang
2010-08-31  6:28     ` Mark F. Brown
2010-08-31  6:28       ` Mark F. Brown
2010-08-31  6:28       ` Mark F. Brown
2010-08-31  7:05       ` Eric Miao
2010-08-31  7:05         ` Eric Miao
2010-08-31  7:05         ` Eric Miao
2010-08-31  7:13         ` Mark F. Brown
2010-08-31  7:13           ` Mark F. Brown
2010-08-31  7:13           ` Mark F. Brown
2010-08-31  7:15           ` Eric Miao
2010-08-31  7:15             ` Eric Miao
2010-08-31  7:15             ` Eric Miao
2010-08-26  9:18 ` [PATCH 5/5] ARM: pxa168: aspenite: add board support for keypad Mark F. Brown
2010-08-26  9:18 ` Mark F. Brown
2010-08-26  9:18   ` Mark F. Brown
2010-08-31  5:00   ` Haojian Zhuang
2010-08-31  5:00     ` Haojian Zhuang
2010-08-31  5:00     ` Haojian Zhuang
2010-09-03  4:50     ` Mark F. Brown
2010-09-03  4:50       ` Mark F. Brown
2010-09-03  4:50       ` Mark F. Brown
2010-09-03 14:11       ` Marek Vasut
2010-09-03 14:11         ` Marek Vasut
2010-09-03 14:11         ` Marek Vasut
2010-09-03 14:39         ` Eric Miao
2010-09-03 14:39           ` Eric Miao
2010-09-03 14:39           ` Eric Miao

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1282814339-10934-5-git-send-email-mark.brown314@gmail.com \
    --to=mark.brown314@gmail.com \
    --cc=eric.y.miao@gmail.com \
    --cc=haojian.zhuang@marvell.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-input@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.