diff options
author | mokopatches <mokopatches@openmoko.org> | 2008-11-19 17:03:10 +0000 |
---|---|---|
committer | warmcat <andy@warmcat.com> | 2008-11-19 17:03:10 +0000 |
commit | 3759ab50147a0b204bddfba6d6ccbd81b1e9c987 (patch) | |
tree | 579be7a754ca8c7d0297ae4d90358e5aec6419e0 | |
parent | 8b55ddd7b1655f0e674ff680910d3b50c812e207 (diff) |
gta01-inputdevice.patch
This provides support for the GTA01 keyboard
Signed-off-by: Harald Welte <laforge@openmoko.org>
-rw-r--r-- | drivers/input/keyboard/Kconfig | 12 | ||||
-rw-r--r-- | drivers/input/keyboard/Makefile | 1 | ||||
-rw-r--r-- | drivers/input/keyboard/neo1973kbd.c | 242 |
3 files changed, 255 insertions, 0 deletions
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index efd70a97459..b8ecca98ac9 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -323,4 +323,16 @@ config KEYBOARD_SH_KEYSC To compile this driver as a module, choose M here: the module will be called sh_keysc. +config KEYBOARD_NEO1973 + tristate "FIC Neo1973 buttons" + depends on MACH_NEO1973 + default y + help + Say Y here to enable the buttons on the FIC Neo1973 + GSM phone. + + To compile this driver as a module, choose M here: the + module will be called neo1973kbd. + + endif diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile index 0edc8f285d1..b3aa339b1a4 100644 --- a/drivers/input/keyboard/Makefile +++ b/drivers/input/keyboard/Makefile @@ -14,6 +14,7 @@ obj-$(CONFIG_KEYBOARD_LOCOMO) += locomokbd.o obj-$(CONFIG_KEYBOARD_NEWTON) += newtonkbd.o obj-$(CONFIG_KEYBOARD_STOWAWAY) += stowaway.o obj-$(CONFIG_KEYBOARD_CORGI) += corgikbd.o +obj-$(CONFIG_KEYBOARD_NEO1973) += neo1973kbd.o obj-$(CONFIG_KEYBOARD_SPITZ) += spitzkbd.o obj-$(CONFIG_KEYBOARD_TOSA) += tosakbd.o obj-$(CONFIG_KEYBOARD_HIL) += hil_kbd.o diff --git a/drivers/input/keyboard/neo1973kbd.c b/drivers/input/keyboard/neo1973kbd.c new file mode 100644 index 00000000000..917d5ae1ff5 --- /dev/null +++ b/drivers/input/keyboard/neo1973kbd.c @@ -0,0 +1,242 @@ +/* + * Keyboard driver for FIC Neo1973 GSM phone + * + * (C) 2006-2007 by OpenMoko, Inc. + * Author: Harald Welte <laforge@openmoko.org> + * All rights reserved. + * + * inspired by corkgbd.c by Richard Purdie + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include <linux/delay.h> +#include <linux/platform_device.h> +#include <linux/init.h> +#include <linux/input.h> +#include <linux/interrupt.h> +#include <linux/jiffies.h> +#include <linux/module.h> +#include <linux/slab.h> + +#include <asm/hardware.h> +#include <asm/arch/gta01.h> +#include <asm/mach-types.h> + +struct neo1973kbd { + struct input_dev *input; + unsigned int suspended; + unsigned long suspend_jiffies; +}; + +static irqreturn_t neo1973kbd_aux_irq(int irq, void *dev_id) +{ + struct neo1973kbd *neo1973kbd_data = dev_id; + + /* FIXME: use GPIO from platform_dev resources */ + if (s3c2410_gpio_getpin(GTA01_GPIO_AUX_KEY)) + input_report_key(neo1973kbd_data->input, KEY_PHONE, 0); + else + input_report_key(neo1973kbd_data->input, KEY_PHONE, 1); + + input_sync(neo1973kbd_data->input); + + return IRQ_HANDLED; +} + +static irqreturn_t neo1973kbd_hold_irq(int irq, void *dev_id) +{ + struct neo1973kbd *neo1973kbd_data = dev_id; + + /* FIXME: use GPIO from platform_dev resources */ + if (s3c2410_gpio_getpin(GTA01_GPIO_HOLD_KEY)) + input_report_key(neo1973kbd_data->input, KEY_PAUSE, 1); + else + input_report_key(neo1973kbd_data->input, KEY_PAUSE, 0); + + input_sync(neo1973kbd_data->input); + + return IRQ_HANDLED; +} + +static irqreturn_t neo1973kbd_headphone_irq(int irq, void *dev_id) +{ + struct neo1973kbd *neo1973kbd_data = dev_id; + + /* FIXME: use GPIO from platform_dev resources */ + if (s3c2410_gpio_getpin(GTA01_GPIO_JACK_INSERT)) + input_report_switch(neo1973kbd_data->input, + SW_HEADPHONE_INSERT, 1); + else + input_report_switch(neo1973kbd_data->input, + SW_HEADPHONE_INSERT, 0); + + input_sync(neo1973kbd_data->input); + + return IRQ_HANDLED; +} + +#ifdef CONFIG_PM +static int neo1973kbd_suspend(struct platform_device *dev, pm_message_t state) +{ + struct neo1973kbd *neo1973kbd = platform_get_drvdata(dev); + + neo1973kbd->suspended = 1; + + return 0; +} + +static int neo1973kbd_resume(struct platform_device *dev) +{ + struct neo1973kbd *neo1973kbd = platform_get_drvdata(dev); + + neo1973kbd->suspended = 0; + + return 0; +} +#else +#define neo1973kbd_suspend NULL +#define neo1973kbd_resume NULL +#endif + +static int neo1973kbd_probe(struct platform_device *pdev) +{ + struct neo1973kbd *neo1973kbd; + struct input_dev *input_dev; + int rc, irq_aux, irq_hold, irq_jack; + + neo1973kbd = kzalloc(sizeof(struct neo1973kbd), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!neo1973kbd || !input_dev) { + kfree(neo1973kbd); + input_free_device(input_dev); + return -ENOMEM; + } + + if (pdev->resource[0].flags != 0) + return -EINVAL; + + irq_aux = s3c2410_gpio_getirq(pdev->resource[0].start); + if (irq_aux < 0) + return -EINVAL; + + irq_hold = s3c2410_gpio_getirq(pdev->resource[1].start); + if (irq_hold < 0) + return -EINVAL; + + irq_jack = s3c2410_gpio_getirq(pdev->resource[2].start); + if (irq_jack < 0) + return -EINVAL; + + platform_set_drvdata(pdev, neo1973kbd); + + neo1973kbd->input = input_dev; + + input_dev->name = "Neo1973 Buttons"; + input_dev->phys = "neo1973kbd/input0"; + input_dev->id.bustype = BUS_HOST; + input_dev->id.vendor = 0x0001; + input_dev->id.product = 0x0001; + input_dev->id.version = 0x0100; + input_dev->cdev.dev = &pdev->dev; + input_dev->private = neo1973kbd; + + input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_SW); + set_bit(SW_HEADPHONE_INSERT, input_dev->swbit); + set_bit(KEY_PHONE, input_dev->keybit); + set_bit(KEY_PAUSE, input_dev->keybit); + + rc = input_register_device(neo1973kbd->input); + if (rc) + goto out_register; + + if (request_irq(irq_aux, neo1973kbd_aux_irq, IRQF_DISABLED | + IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, + "Neo1973 AUX button", neo1973kbd)) { + dev_err(&pdev->dev, "Can't get IRQ %u\n", irq_aux); + goto out_aux; + } + + /* + * GTA01 revisions before Bv4 can't be resumed by the PMU, so we use + * resume by AUX. + */ + if (machine_is_neo1973_gta01()) + enable_irq_wake(irq_aux); + + if (request_irq(irq_hold, neo1973kbd_hold_irq, IRQF_DISABLED | + IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, + "Neo1973 HOLD button", neo1973kbd)) { + dev_err(&pdev->dev, "Can't get IRQ %u\n", irq_hold); + goto out_hold; + } + + if (request_irq(irq_jack, neo1973kbd_headphone_irq, IRQF_DISABLED | + IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, + "Neo1973 Headphone Jack", neo1973kbd)) { + dev_err(&pdev->dev, "Can't get IRQ %u\n", irq_jack); + goto out_jack; + } + enable_irq_wake(irq_jack); + + return 0; + +out_jack: + free_irq(irq_hold, neo1973kbd); +out_hold: + free_irq(irq_aux, neo1973kbd); +out_aux: + input_unregister_device(neo1973kbd->input); +out_register: + input_free_device(neo1973kbd->input); + platform_set_drvdata(pdev, NULL); + kfree(neo1973kbd); + + return -ENODEV; +} + +static int neo1973kbd_remove(struct platform_device *pdev) +{ + struct neo1973kbd *neo1973kbd = platform_get_drvdata(pdev); + + free_irq(s3c2410_gpio_getirq(pdev->resource[2].start), neo1973kbd); + free_irq(s3c2410_gpio_getirq(pdev->resource[1].start), neo1973kbd); + free_irq(s3c2410_gpio_getirq(pdev->resource[0].start), neo1973kbd); + + input_unregister_device(neo1973kbd->input); + input_free_device(neo1973kbd->input); + platform_set_drvdata(pdev, NULL); + kfree(neo1973kbd); + + return 0; +} + +static struct platform_driver neo1973kbd_driver = { + .probe = neo1973kbd_probe, + .remove = neo1973kbd_remove, + .suspend = neo1973kbd_suspend, + .resume = neo1973kbd_resume, + .driver = { + .name = "neo1973-button", + }, +}; + +static int __devinit neo1973kbd_init(void) +{ + return platform_driver_register(&neo1973kbd_driver); +} + +static void __exit neo1973kbd_exit(void) +{ + platform_driver_unregister(&neo1973kbd_driver); +} + +module_init(neo1973kbd_init); +module_exit(neo1973kbd_exit); + +MODULE_AUTHOR("Harald Welte <laforge@openmoko.org>"); +MODULE_DESCRIPTION("FIC Neo1973 buttons input driver"); +MODULE_LICENSE("GPL"); |