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omap24xx: Export certain n8x0 GPIO switches as input device

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SVN-Revision: 23120
This commit is contained in:
Michael Büsch 2010-09-26 12:50:53 +00:00
parent ac899e4bd2
commit cde47c9958
2 changed files with 111 additions and 13 deletions
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98
target/linux/omap24xx/patches-2.6.36/310-n8x0-gpioswitch-input.patch Normal file
View file

@ -0,0 +1,98 @@
---
arch/arm/mach-omap2/board-n8x0.c | 73 +++++++++++++++++++++++++++++++++++++++
1 file changed, 73 insertions(+)
--- linux-2.6.36-rc5.orig/arch/arm/mach-omap2/board-n8x0.c
+++ linux-2.6.36-rc5/arch/arm/mach-omap2/board-n8x0.c
@@ -796,6 +796,77 @@ extern void n8x0_blizzard_init(void);
extern void n8x0_usb_init(void);
+struct gpio_switch_input_dev {
+ struct input_dev *idev;
+ unsigned int swcode;
+};
+
+static struct gpio_switch_input_dev *slide_input;
+static struct gpio_switch_input_dev *kblock_input;
+
+static void n8x0_gpio_switch_input_notify(struct gpio_switch_input_dev *gdev,
+ int state)
+{
+ if (gdev) {
+ input_report_switch(gdev->idev, gdev->swcode, state);
+ input_sync(gdev->idev);
+ }
+}
+
+static void n8x0_slide_notify(void *data, int state)
+{
+ n8x0_gpio_switch_input_notify(slide_input, state);
+}
+
+static void n8x0_kb_lock_notify(void *data, int state)
+{
+ n8x0_gpio_switch_input_notify(kblock_input, state);
+}
+
+static struct gpio_switch_input_dev * __init gpioswitch_input_init(
+ const char *name,
+ unsigned int swcode)
+{
+ struct gpio_switch_input_dev *gdev;
+ int err;
+
+ gdev = kzalloc(sizeof(*gdev), GFP_KERNEL);
+ if (!gdev)
+ goto error;
+ gdev->swcode = swcode;
+
+ gdev->idev = input_allocate_device();
+ if (!gdev->idev)
+ goto err_free;
+
+ gdev->idev->evbit[0] = BIT_MASK(EV_SW);
+ gdev->idev->swbit[BIT_WORD(swcode)] = BIT_MASK(swcode);
+ gdev->idev->name = name;
+
+ err = input_register_device(gdev->idev);
+ if (err)
+ goto err_free_idev;
+
+ return gdev;
+
+err_free_idev:
+ input_free_device(gdev->idev);
+err_free:
+ kfree(gdev);
+error:
+ return NULL;
+}
+
+static int __init n8x0_gpio_switches_input_init(void)
+{
+ slide_input = gpioswitch_input_init("slide", SW_KEYPAD_SLIDE);
+ kblock_input = gpioswitch_input_init("kb_lock", SW_LID);
+ if (WARN_ON(!slide_input || !kblock_input))
+ return -ENODEV;
+ return 0;
+}
+late_initcall(n8x0_gpio_switches_input_init);
+
static struct omap_gpio_switch n8x0_gpio_switches[] __initdata = {
{
.name = "headphone",
@@ -817,11 +888,13 @@ static struct omap_gpio_switch n8x0_gpio
.gpio = -1,
.debounce_rising = 200,
.debounce_falling = 200,
+ .notify = n8x0_slide_notify,
}, {
.name = "kb_lock",
.gpio = -1,
.debounce_rising = 200,
.debounce_falling = 200,
+ .notify = n8x0_kb_lock_notify,
},
};

26
target/linux/omap24xx/patches-2.6.36/900-n810-battery-management.patch
View file

@ -7,8 +7,8 @@
drivers/cbus/retu.h | 2
6 files changed, 425 insertions(+), 3 deletions(-)
--- linux-2.6.36-rc4.orig/drivers/cbus/Kconfig
+++ linux-2.6.36-rc4/drivers/cbus/Kconfig
--- linux-2.6.36-rc5.orig/drivers/cbus/Kconfig
+++ linux-2.6.36-rc5/drivers/cbus/Kconfig
@@ -94,4 +94,16 @@ config CBUS_RETU_HEADSET
to Retu/Vilma. Detection state and events are exposed through
sysfs.
@ -26,15 +26,15 @@
+ If unsure, say N.
+
endmenu
--- linux-2.6.36-rc4.orig/drivers/cbus/Makefile
+++ linux-2.6.36-rc4/drivers/cbus/Makefile
--- linux-2.6.36-rc5.orig/drivers/cbus/Makefile
+++ linux-2.6.36-rc5/drivers/cbus/Makefile
@@ -12,3 +12,4 @@ obj-$(CONFIG_CBUS_RETU_WDT) += retu-wdt.
obj-$(CONFIG_CBUS_TAHVO_USER) += tahvo-user.o
obj-$(CONFIG_CBUS_RETU_USER) += retu-user.o
obj-$(CONFIG_CBUS_RETU_HEADSET) += retu-headset.o
+obj-$(CONFIG_N810BM) += n810bm.o
--- /dev/null
+++ linux-2.6.36-rc4/drivers/cbus/n810bm.c
+++ linux-2.6.36-rc5/drivers/cbus/n810bm.c
@@ -0,0 +1,396 @@
+/*
+ * Nokia n810 battery management
@ -432,8 +432,8 @@
+MODULE_DESCRIPTION("Nokia n810 battery management");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Michael Buesch");
--- linux-2.6.36-rc4.orig/drivers/cbus/retu.c
+++ linux-2.6.36-rc4/drivers/cbus/retu.c
--- linux-2.6.36-rc5.orig/drivers/cbus/retu.c
+++ linux-2.6.36-rc5/drivers/cbus/retu.c
@@ -85,10 +85,10 @@ int retu_read_reg(int reg)
*
* This function writes a value to the specified register
@ -447,8 +447,8 @@
}
void retu_set_clear_reg_bits(int reg, u16 set, u16 clear)
--- linux-2.6.36-rc4.orig/drivers/cbus/retu.h
+++ linux-2.6.36-rc4/drivers/cbus/retu.h
--- linux-2.6.36-rc5.orig/drivers/cbus/retu.h
+++ linux-2.6.36-rc5/drivers/cbus/retu.h
@@ -58,7 +58,7 @@
#define MAX_RETU_IRQ_HANDLERS 16
@ -458,9 +458,9 @@
void retu_set_clear_reg_bits(int reg, u16 set, u16 clear);
int retu_read_adc(int channel);
int retu_request_irq(int id, void *irq_handler, unsigned long arg, char *name);
--- linux-2.6.36-rc4.orig/arch/arm/mach-omap2/board-n8x0.c
+++ linux-2.6.36-rc4/arch/arm/mach-omap2/board-n8x0.c
@@ -833,6 +833,17 @@ static void __init n8x0_gpio_switches_in
--- linux-2.6.36-rc5.orig/arch/arm/mach-omap2/board-n8x0.c
+++ linux-2.6.36-rc5/arch/arm/mach-omap2/board-n8x0.c
@@ -906,6 +906,17 @@ static void __init n8x0_gpio_switches_in
ARRAY_SIZE(n8x0_gpio_switches));
}
@ -478,7 +478,7 @@
static void __init n8x0_init_machine(void)
{
omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
@@ -860,6 +871,8 @@ static void __init n8x0_init_machine(voi
@@ -933,6 +944,8 @@ static void __init n8x0_init_machine(voi
n8x0_onenand_init();
n8x0_mmc_init();
n8x0_usb_init();