To compile this driver as a module, choose M here: the
module will be called uinput.
-config INPUT_SGIO2_BTNS
- tristate "SGI O2 volume button interface"
- depends on SGI_IP32
+config INPUT_SGI_BTNS
+ tristate "SGI Indy/O2 volume button interface"
+ depends on SGI_IP22 || SGI_IP32
select INPUT_POLLDEV
help
- Say Y here if you want to support SGI O2 volume button interface.
+ Say Y here if you want to support SGI Indy/O2 volume button interface.
To compile this driver as a module, choose M here: the
- module will be called sgio_btns.
+ module will be called sgi_btns.
config HP_SDC_RTC
tristate "HP SDC Real Time Clock"
obj-$(CONFIG_HP_SDC_RTC) += hp_sdc_rtc.o
obj-$(CONFIG_INPUT_UINPUT) += uinput.o
obj-$(CONFIG_INPUT_APANEL) += apanel.o
-obj-$(CONFIG_INPUT_SGIO2_BTNS) += sgio2_btns.o
+obj-$(CONFIG_INPUT_SGI_BTNS) += sgi_btns.o
--- /dev/null
+/*
+ * SGI Volume Button interface driver
+ *
+ * Copyright (C) 2008 Thomas Bogendoerfer <tsbogend@alpha.franken.de>
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <linux/init.h>
+#include <linux/input-polldev.h>
+#include <linux/ioport.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#ifdef CONFIG_SGI_IP22
+#include <asm/sgi/ioc.h>
+
+static inline u8 button_status(void)
+{
+ u8 status;
+
+ status = readb(&sgioc->panel) ^ 0xa0;
+ return ((status & 0x80) >> 6) | ((status & 0x20) >> 5);
+}
+#endif
+
+#ifdef CONFIG_SGI_IP32
+#include <asm/ip32/mace.h>
+
+static inline u8 button_status(void)
+{
+ u64 status;
+
+ status = readq(&mace->perif.audio.control);
+ writeq(status & ~(3U << 23), &mace->perif.audio.control);
+
+ return (status >> 23) & 3;
+}
+#endif
+
+#define BUTTONS_POLL_INTERVAL 30 /* msec */
+#define BUTTONS_COUNT_THRESHOLD 3
+
+static const unsigned short sgi_map[] = {
+ KEY_VOLUMEDOWN,
+ KEY_VOLUMEUP
+};
+
+struct buttons_dev {
+ struct input_polled_dev *poll_dev;
+ unsigned short keymap[ARRAY_SIZE(sgi_map)];
+ int count[ARRAY_SIZE(sgi_map)];
+};
+
+static void handle_buttons(struct input_polled_dev *dev)
+{
+ struct buttons_dev *bdev = dev->private;
+ struct input_dev *input = dev->input;
+ u8 status;
+ int i;
+
+ status = button_status();
+
+ for (i = 0; i < ARRAY_SIZE(bdev->keymap); i++) {
+ if (status & (1U << i)) {
+ if (++bdev->count[i] == BUTTONS_COUNT_THRESHOLD) {
+ input_event(input, EV_MSC, MSC_SCAN, i);
+ input_report_key(input, bdev->keymap[i], 1);
+ input_sync(input);
+ }
+ } else {
+ if (bdev->count[i] >= BUTTONS_COUNT_THRESHOLD) {
+ input_event(input, EV_MSC, MSC_SCAN, i);
+ input_report_key(input, bdev->keymap[i], 0);
+ input_sync(input);
+ }
+ bdev->count[i] = 0;
+ }
+ }
+}
+
+static int __devinit sgi_buttons_probe(struct platform_device *pdev)
+{
+ struct buttons_dev *bdev;
+ struct input_polled_dev *poll_dev;
+ struct input_dev *input;
+ int error, i;
+
+ bdev = kzalloc(sizeof(struct buttons_dev), GFP_KERNEL);
+ poll_dev = input_allocate_polled_device();
+ if (!bdev || !poll_dev) {
+ error = -ENOMEM;
+ goto err_free_mem;
+ }
+
+ memcpy(bdev->keymap, sgi_map, sizeof(bdev->keymap));
+
+ poll_dev->private = bdev;
+ poll_dev->poll = handle_buttons;
+ poll_dev->poll_interval = BUTTONS_POLL_INTERVAL;
+
+ input = poll_dev->input;
+ input->name = "SGI buttons";
+ input->phys = "sgi/input0";
+ input->id.bustype = BUS_HOST;
+ input->dev.parent = &pdev->dev;
+
+ input->keycode = bdev->keymap;
+ input->keycodemax = ARRAY_SIZE(bdev->keymap);
+ input->keycodesize = sizeof(unsigned short);
+
+ input_set_capability(input, EV_MSC, MSC_SCAN);
+ __set_bit(EV_KEY, input->evbit);
+ for (i = 0; i < ARRAY_SIZE(sgi_map); i++)
+ __set_bit(bdev->keymap[i], input->keybit);
+ __clear_bit(KEY_RESERVED, input->keybit);
+
+ bdev->poll_dev = poll_dev;
+ dev_set_drvdata(&pdev->dev, bdev);
+
+ error = input_register_polled_device(poll_dev);
+ if (error)
+ goto err_free_mem;
+
+ return 0;
+
+ err_free_mem:
+ input_free_polled_device(poll_dev);
+ kfree(bdev);
+ dev_set_drvdata(&pdev->dev, NULL);
+ return error;
+}
+
+static int __devexit sgi_buttons_remove(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct buttons_dev *bdev = dev_get_drvdata(dev);
+
+ input_unregister_polled_device(bdev->poll_dev);
+ input_free_polled_device(bdev->poll_dev);
+ kfree(bdev);
+ dev_set_drvdata(dev, NULL);
+
+ return 0;
+}
+
+static struct platform_driver sgi_buttons_driver = {
+ .probe = sgi_buttons_probe,
+ .remove = __devexit_p(sgi_buttons_remove),
+ .driver = {
+ .name = "sgibtns",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init sgi_buttons_init(void)
+{
+ return platform_driver_register(&sgi_buttons_driver);
+}
+
+static void __exit sgi_buttons_exit(void)
+{
+ platform_driver_unregister(&sgi_buttons_driver);
+}
+
+module_init(sgi_buttons_init);
+module_exit(sgi_buttons_exit);
+++ /dev/null
-/*
- * SGI O2 Volume Button interface driver
- *
- * Copyright (C) 2008 Thomas Bogendoerfer <tsbogend@alpha.franken.de>
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-#include <linux/init.h>
-#include <linux/input-polldev.h>
-#include <linux/ioport.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-
-#include <asm/ip32/mace.h>
-
-#define BUTTONS_POLL_INTERVAL 30 /* msec */
-#define BUTTONS_COUNT_THRESHOLD 3
-
-static const unsigned short sgio2_map[] = {
- KEY_VOLUMEUP,
- KEY_VOLUMEDOWN
-};
-
-struct buttons_dev {
- struct input_polled_dev *poll_dev;
- unsigned short keymap[ARRAY_SIZE(sgio2_map)];
- int count[ARRAY_SIZE(sgio2_map)];
- void __iomem *reg;
-};
-
-static void handle_buttons(struct input_polled_dev *dev)
-{
- struct buttons_dev *bdev = dev->private;
- struct input_dev *input = dev->input;
- u64 status;
- int i;
-
- status = (readq(&mace->perif.audio.control) >> 23) & 3;
-
- for (i = 0; i < ARRAY_SIZE(bdev->keymap); i++) {
- if (status & (1U << i)) {
- writeq(status & ~(1U << i), &mace->perif.audio.control);
- if (++bdev->count[i] == BUTTONS_COUNT_THRESHOLD) {
- input_event(input, EV_MSC, MSC_SCAN, i);
- input_report_key(input, bdev->keymap[i], 1);
- input_sync(input);
- }
- } else {
- if (bdev->count[i] >= BUTTONS_COUNT_THRESHOLD) {
- input_event(input, EV_MSC, MSC_SCAN, i);
- input_report_key(input, bdev->keymap[i], 0);
- input_sync(input);
- }
- bdev->count[i] = 0;
- }
- }
-}
-
-static int __devinit sgio2_buttons_probe(struct platform_device *pdev)
-{
- struct buttons_dev *bdev;
- struct input_polled_dev *poll_dev;
- struct input_dev *input;
- int error, i;
-
- bdev = kzalloc(sizeof(struct buttons_dev), GFP_KERNEL);
- poll_dev = input_allocate_polled_device();
- if (!bdev || !poll_dev) {
- error = -ENOMEM;
- goto err_free_mem;
- }
-
- memcpy(bdev->keymap, sgio2_map, sizeof(bdev->keymap));
-
- poll_dev->private = bdev;
- poll_dev->poll = handle_buttons;
- poll_dev->poll_interval = BUTTONS_POLL_INTERVAL;
-
- input = poll_dev->input;
- input->name = "SGI O2 buttons";
- input->phys = "sgio2/input0";
- input->id.bustype = BUS_HOST;
- input->dev.parent = &pdev->dev;
-
- input->keycode = bdev->keymap;
- input->keycodemax = ARRAY_SIZE(bdev->keymap);
- input->keycodesize = sizeof(unsigned short);
-
- input_set_capability(input, EV_MSC, MSC_SCAN);
- __set_bit(EV_KEY, input->evbit);
- for (i = 0; i < ARRAY_SIZE(sgio2_map); i++)
- __set_bit(bdev->keymap[i], input->keybit);
- __clear_bit(KEY_RESERVED, input->keybit);
-
- bdev->poll_dev = poll_dev;
- dev_set_drvdata(&pdev->dev, bdev);
-
- error = input_register_polled_device(poll_dev);
- if (error)
- goto err_free_mem;
-
- return 0;
-
- err_free_mem:
- input_free_polled_device(poll_dev);
- kfree(bdev);
- dev_set_drvdata(&pdev->dev, NULL);
- return error;
-}
-
-static int __devexit sgio2_buttons_remove(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct buttons_dev *bdev = dev_get_drvdata(dev);
-
- input_unregister_polled_device(bdev->poll_dev);
- input_free_polled_device(bdev->poll_dev);
- kfree(bdev);
- dev_set_drvdata(dev, NULL);
-
- return 0;
-}
-
-static struct platform_driver sgio2_buttons_driver = {
- .probe = sgio2_buttons_probe,
- .remove = __devexit_p(sgio2_buttons_remove),
- .driver = {
- .name = "sgio2btns",
- .owner = THIS_MODULE,
- },
-};
-
-static int __init sgio2_buttons_init(void)
-{
- return platform_driver_register(&sgio2_buttons_driver);
-}
-
-static void __exit sgio2_buttons_exit(void)
-{
- platform_driver_unregister(&sgio2_buttons_driver);
-}
-
-module_init(sgio2_buttons_init);
-module_exit(sgio2_buttons_exit);
projects / firefly-linux-kernel-4.4.55.git / commitdiff