mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
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fc54b9bf15
(stable-branch of Openmoko) git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13613 3c298f89-4303-0410-b956-a3cf2f4a3e73
299 lines
8.1 KiB
Diff
299 lines
8.1 KiB
Diff
From 042ef688ad9f49101fcb5a195a5ecdbad8fde2f8 Mon Sep 17 00:00:00 2001
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From: mokopatches <mokopatches@openmoko.org>
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Date: Fri, 4 Apr 2008 11:31:24 +0100
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Subject: [PATCH] gta01-inputdevice.patch
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This provides support for the GTA01 keyboard
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Signed-off-by: Harald Welte <laforge@openmoko.org>
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---
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drivers/input/keyboard/Kconfig | 12 ++
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drivers/input/keyboard/Makefile | 1 +
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drivers/input/keyboard/neo1973kbd.c | 242 +++++++++++++++++++++++++++++++++++
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3 files changed, 255 insertions(+), 0 deletions(-)
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create mode 100644 drivers/input/keyboard/neo1973kbd.c
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diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
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index 086d58c..3b9990e 100644
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--- a/drivers/input/keyboard/Kconfig
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+++ b/drivers/input/keyboard/Kconfig
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@@ -293,4 +293,16 @@ config KEYBOARD_BFIN
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To compile this driver as a module, choose M here: the
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module will be called bf54x-keys.
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+config KEYBOARD_NEO1973
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+ tristate "FIC Neo1973 buttons"
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+ depends on MACH_NEO1973
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+ default y
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+ help
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+ Say Y here to enable the buttons on the FIC Neo1973
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+ GSM phone.
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+
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+ To compile this driver as a module, choose M here: the
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+ module will be called neo1973kbd.
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+
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+
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endif
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diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
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index e97455f..68ecfc5 100644
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--- a/drivers/input/keyboard/Makefile
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+++ b/drivers/input/keyboard/Makefile
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@@ -14,6 +14,7 @@ obj-$(CONFIG_KEYBOARD_LOCOMO) += locomokbd.o
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obj-$(CONFIG_KEYBOARD_NEWTON) += newtonkbd.o
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obj-$(CONFIG_KEYBOARD_STOWAWAY) += stowaway.o
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obj-$(CONFIG_KEYBOARD_CORGI) += corgikbd.o
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+obj-$(CONFIG_KEYBOARD_NEO1973) += neo1973kbd.o
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obj-$(CONFIG_KEYBOARD_SPITZ) += spitzkbd.o
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obj-$(CONFIG_KEYBOARD_HIL) += hil_kbd.o
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obj-$(CONFIG_KEYBOARD_HIL_OLD) += hilkbd.o
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diff --git a/drivers/input/keyboard/neo1973kbd.c b/drivers/input/keyboard/neo1973kbd.c
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new file mode 100644
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index 0000000..917d5ae
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--- /dev/null
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+++ b/drivers/input/keyboard/neo1973kbd.c
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@@ -0,0 +1,242 @@
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+/*
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+ * Keyboard driver for FIC Neo1973 GSM phone
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+ *
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+ * (C) 2006-2007 by OpenMoko, Inc.
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+ * Author: Harald Welte <laforge@openmoko.org>
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+ * All rights reserved.
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+ *
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+ * inspired by corkgbd.c by Richard Purdie
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2 as
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+ * published by the Free Software Foundation.
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+ *
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+ */
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+
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+#include <linux/delay.h>
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+#include <linux/platform_device.h>
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+#include <linux/init.h>
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+#include <linux/input.h>
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+#include <linux/interrupt.h>
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+#include <linux/jiffies.h>
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+#include <linux/module.h>
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+#include <linux/slab.h>
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+
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+#include <asm/hardware.h>
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+#include <asm/arch/gta01.h>
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+#include <asm/mach-types.h>
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+
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+struct neo1973kbd {
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+ struct input_dev *input;
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+ unsigned int suspended;
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+ unsigned long suspend_jiffies;
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+};
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+
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+static irqreturn_t neo1973kbd_aux_irq(int irq, void *dev_id)
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+{
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+ struct neo1973kbd *neo1973kbd_data = dev_id;
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+
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+ /* FIXME: use GPIO from platform_dev resources */
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+ if (s3c2410_gpio_getpin(GTA01_GPIO_AUX_KEY))
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+ input_report_key(neo1973kbd_data->input, KEY_PHONE, 0);
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+ else
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+ input_report_key(neo1973kbd_data->input, KEY_PHONE, 1);
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+
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+ input_sync(neo1973kbd_data->input);
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+
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+ return IRQ_HANDLED;
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+}
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+
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+static irqreturn_t neo1973kbd_hold_irq(int irq, void *dev_id)
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+{
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+ struct neo1973kbd *neo1973kbd_data = dev_id;
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+
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+ /* FIXME: use GPIO from platform_dev resources */
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+ if (s3c2410_gpio_getpin(GTA01_GPIO_HOLD_KEY))
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+ input_report_key(neo1973kbd_data->input, KEY_PAUSE, 1);
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+ else
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+ input_report_key(neo1973kbd_data->input, KEY_PAUSE, 0);
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+
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+ input_sync(neo1973kbd_data->input);
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+
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+ return IRQ_HANDLED;
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+}
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+
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+static irqreturn_t neo1973kbd_headphone_irq(int irq, void *dev_id)
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+{
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+ struct neo1973kbd *neo1973kbd_data = dev_id;
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+
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+ /* FIXME: use GPIO from platform_dev resources */
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+ if (s3c2410_gpio_getpin(GTA01_GPIO_JACK_INSERT))
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+ input_report_switch(neo1973kbd_data->input,
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+ SW_HEADPHONE_INSERT, 1);
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+ else
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+ input_report_switch(neo1973kbd_data->input,
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+ SW_HEADPHONE_INSERT, 0);
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+
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+ input_sync(neo1973kbd_data->input);
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+
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+ return IRQ_HANDLED;
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+}
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+
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+#ifdef CONFIG_PM
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+static int neo1973kbd_suspend(struct platform_device *dev, pm_message_t state)
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+{
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+ struct neo1973kbd *neo1973kbd = platform_get_drvdata(dev);
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+
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+ neo1973kbd->suspended = 1;
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+
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+ return 0;
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+}
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+
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+static int neo1973kbd_resume(struct platform_device *dev)
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+{
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+ struct neo1973kbd *neo1973kbd = platform_get_drvdata(dev);
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+
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+ neo1973kbd->suspended = 0;
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+
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+ return 0;
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+}
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+#else
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+#define neo1973kbd_suspend NULL
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+#define neo1973kbd_resume NULL
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+#endif
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+
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+static int neo1973kbd_probe(struct platform_device *pdev)
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+{
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+ struct neo1973kbd *neo1973kbd;
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+ struct input_dev *input_dev;
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+ int rc, irq_aux, irq_hold, irq_jack;
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+
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+ neo1973kbd = kzalloc(sizeof(struct neo1973kbd), GFP_KERNEL);
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+ input_dev = input_allocate_device();
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+ if (!neo1973kbd || !input_dev) {
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+ kfree(neo1973kbd);
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+ input_free_device(input_dev);
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+ return -ENOMEM;
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+ }
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+
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+ if (pdev->resource[0].flags != 0)
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+ return -EINVAL;
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+
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+ irq_aux = s3c2410_gpio_getirq(pdev->resource[0].start);
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+ if (irq_aux < 0)
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+ return -EINVAL;
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+
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+ irq_hold = s3c2410_gpio_getirq(pdev->resource[1].start);
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+ if (irq_hold < 0)
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+ return -EINVAL;
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+
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+ irq_jack = s3c2410_gpio_getirq(pdev->resource[2].start);
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+ if (irq_jack < 0)
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+ return -EINVAL;
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+
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+ platform_set_drvdata(pdev, neo1973kbd);
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+
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+ neo1973kbd->input = input_dev;
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+
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+ input_dev->name = "Neo1973 Buttons";
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+ input_dev->phys = "neo1973kbd/input0";
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+ input_dev->id.bustype = BUS_HOST;
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+ input_dev->id.vendor = 0x0001;
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+ input_dev->id.product = 0x0001;
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+ input_dev->id.version = 0x0100;
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+ input_dev->cdev.dev = &pdev->dev;
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+ input_dev->private = neo1973kbd;
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+
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+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_SW);
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+ set_bit(SW_HEADPHONE_INSERT, input_dev->swbit);
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+ set_bit(KEY_PHONE, input_dev->keybit);
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+ set_bit(KEY_PAUSE, input_dev->keybit);
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+
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+ rc = input_register_device(neo1973kbd->input);
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+ if (rc)
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+ goto out_register;
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+
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+ if (request_irq(irq_aux, neo1973kbd_aux_irq, IRQF_DISABLED |
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+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
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+ "Neo1973 AUX button", neo1973kbd)) {
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+ dev_err(&pdev->dev, "Can't get IRQ %u\n", irq_aux);
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+ goto out_aux;
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+ }
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+
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+ /*
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+ * GTA01 revisions before Bv4 can't be resumed by the PMU, so we use
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+ * resume by AUX.
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+ */
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+ if (machine_is_neo1973_gta01())
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+ enable_irq_wake(irq_aux);
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+
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+ if (request_irq(irq_hold, neo1973kbd_hold_irq, IRQF_DISABLED |
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+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
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+ "Neo1973 HOLD button", neo1973kbd)) {
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+ dev_err(&pdev->dev, "Can't get IRQ %u\n", irq_hold);
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+ goto out_hold;
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+ }
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+
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+ if (request_irq(irq_jack, neo1973kbd_headphone_irq, IRQF_DISABLED |
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+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
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+ "Neo1973 Headphone Jack", neo1973kbd)) {
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+ dev_err(&pdev->dev, "Can't get IRQ %u\n", irq_jack);
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+ goto out_jack;
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+ }
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+ enable_irq_wake(irq_jack);
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+
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+ return 0;
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+
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+out_jack:
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+ free_irq(irq_hold, neo1973kbd);
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+out_hold:
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+ free_irq(irq_aux, neo1973kbd);
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+out_aux:
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+ input_unregister_device(neo1973kbd->input);
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+out_register:
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+ input_free_device(neo1973kbd->input);
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+ platform_set_drvdata(pdev, NULL);
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+ kfree(neo1973kbd);
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+
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+ return -ENODEV;
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+}
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+
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+static int neo1973kbd_remove(struct platform_device *pdev)
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+{
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+ struct neo1973kbd *neo1973kbd = platform_get_drvdata(pdev);
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+
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+ free_irq(s3c2410_gpio_getirq(pdev->resource[2].start), neo1973kbd);
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+ free_irq(s3c2410_gpio_getirq(pdev->resource[1].start), neo1973kbd);
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+ free_irq(s3c2410_gpio_getirq(pdev->resource[0].start), neo1973kbd);
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+
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+ input_unregister_device(neo1973kbd->input);
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+ input_free_device(neo1973kbd->input);
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+ platform_set_drvdata(pdev, NULL);
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+ kfree(neo1973kbd);
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+
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+ return 0;
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+}
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+
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+static struct platform_driver neo1973kbd_driver = {
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+ .probe = neo1973kbd_probe,
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+ .remove = neo1973kbd_remove,
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+ .suspend = neo1973kbd_suspend,
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+ .resume = neo1973kbd_resume,
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+ .driver = {
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+ .name = "neo1973-button",
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+ },
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+};
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+
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+static int __devinit neo1973kbd_init(void)
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+{
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+ return platform_driver_register(&neo1973kbd_driver);
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+}
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+
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+static void __exit neo1973kbd_exit(void)
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+{
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+ platform_driver_unregister(&neo1973kbd_driver);
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+}
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+
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+module_init(neo1973kbd_init);
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+module_exit(neo1973kbd_exit);
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+
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+MODULE_AUTHOR("Harald Welte <laforge@openmoko.org>");
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+MODULE_DESCRIPTION("FIC Neo1973 buttons input driver");
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+MODULE_LICENSE("GPL");
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--
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1.5.6.5
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