aboutsummaryrefslogtreecommitdiffstats
path: root/packages/linux/linux-2.6.27/boc01/012-090115-cy3218-btns.patch
diff options
context:
space:
mode:
Diffstat (limited to 'packages/linux/linux-2.6.27/boc01/012-090115-cy3218-btns.patch')
-rw-r--r--packages/linux/linux-2.6.27/boc01/012-090115-cy3218-btns.patch406
1 files changed, 0 insertions, 406 deletions
diff --git a/packages/linux/linux-2.6.27/boc01/012-090115-cy3218-btns.patch b/packages/linux/linux-2.6.27/boc01/012-090115-cy3218-btns.patch
deleted file mode 100644
index 2529be5274..0000000000
--- a/packages/linux/linux-2.6.27/boc01/012-090115-cy3218-btns.patch
+++ /dev/null
@@ -1,406 +0,0 @@
-Index: linux-2.6.27/drivers/input/misc/cy3218-btns.c
-===================================================================
---- /dev/null
-+++ linux-2.6.27/drivers/input/misc/cy3218-btns.c
-@@ -0,0 +1,373 @@
-+/*
-+ * CAPSENSE Interface driver
-+ *
-+ *
-+ * Copyright (C) 2008, CenoSYS (www.cenosys.com).
-+ *
-+ * Guillaume Ligneul <guillaume.ligneul@gmail.com>
-+ * Jeremy Lainé <jeremy.laine@bolloretelecom.eu>
-+ * Sylvain Giroudon <sylvain.giroudon@goobie.fr>
-+ *
-+ * This software program is licensed subject to the GNU General Public License
-+ * (GPL).Version 2,June 1991, available at http://www.fsf.org/copyleft/gpl.html
-+ */
-+
-+#include <linux/init.h>
-+#include <linux/input-polldev.h>
-+#include <linux/ioport.h>
-+#include <linux/module.h>
-+#include <linux/i2c.h>
-+#include <linux/leds.h>
-+
-+static int capsense_attach_adapter(struct i2c_adapter *adapter);
-+static int capsense_detach_client(struct i2c_client *client);
-+#ifdef CONFIG_PM
-+static int capsense_suspend(struct i2c_client *client, pm_message_t mesg);
-+static int capsense_resume(struct i2c_client *client);
-+#endif
-+
-+#define CAPSENSE_NAME "Capsense"
-+
-+/* i2c configuration */
-+#define CAPSENSE_I2C_ADDR 0x25
-+// To debug (may be add in include/linux/i2c-id.h)
-+#define I2C_DRIVERID_CAPSENSE 98
-+
-+#define BUTTONS_POLL_INTERVAL 30 /* msec */
-+
-+#define CAP_OUTPUT_PORT(port) (0x04+(port))
-+#define CAP_OP_SEL(port,bit) (0x1C+(25*(port))+(5*(bit)))
-+#define CAP_READ_STATUS(port) (0x88+(port))
-+
-+#define MASK0 0x10
-+#define MASK1 0x4
-+#define MASK2 0x8
-+#define MASK3 0x1
-+
-+#define CAP_NLEDS 5
-+
-+static int poll_interval = BUTTONS_POLL_INTERVAL;
-+module_param_named(poll, poll_interval, uint, 0);
-+MODULE_PARM_DESC(poll, "poll interval in msec (30=default)");
-+
-+static const unsigned short normal_i2c[] = {
-+ CAPSENSE_I2C_ADDR , I2C_CLIENT_END
-+};
-+I2C_CLIENT_INSMOD;
-+
-+static struct i2c_driver capsense_driver = {
-+ .driver = {
-+ .name = CAPSENSE_NAME,
-+ },
-+ .id = I2C_DRIVERID_CAPSENSE,
-+ .attach_adapter = &capsense_attach_adapter,
-+ .detach_client = &capsense_detach_client,
-+#ifdef CONFIG_PM
-+ .suspend = &capsense_suspend,
-+ .resume = &capsense_resume,
-+#endif
-+};
-+
-+struct cy3218_led {
-+ struct led_classdev cdev;
-+ struct cy3218 *capsense;
-+ int port;
-+ int bit;
-+};
-+
-+struct cy3218 {
-+ struct input_polled_dev *ipdev;
-+ struct i2c_client client;
-+ unsigned char key_state;
-+ struct cy3218_led leds[CAP_NLEDS];
-+ unsigned char led_state[2];
-+ struct mutex mutex;
-+};
-+
-+static unsigned short keymap[] = {
-+ // GP0
-+ KEY_F1,
-+ KEY_ENTER,
-+ KEY_DOWN,
-+ KEY_BACKSPACE,
-+ // GP1
-+ KEY_UP,
-+};
-+
-+struct cy3218_ledmap {
-+ char *name;
-+ int port, bit;
-+};
-+
-+static struct cy3218_ledmap ledmap[CAP_NLEDS] = {
-+ { "capsense:blue:back", 0, 1 },
-+ { "capsense:blue:info", 1, 0 },
-+ { "capsense:blue:down", 1, 1 },
-+ { "capsense:blue:ok", 1, 2 },
-+ { "capsense:blue:up", 1, 3 },
-+};
-+
-+static void handle_buttons(struct input_polled_dev *dev)
-+{
-+ struct cy3218 *capsense = dev->private;
-+ u8 port_value;
-+ u8 new_state = 0;
-+ u8 changed;
-+ int i;
-+
-+ mutex_lock(&capsense->mutex);
-+
-+ // read status
-+ port_value = i2c_smbus_read_byte_data(&capsense->client, CAP_READ_STATUS(0));
-+ if (port_value & MASK0) new_state |= 0x01;
-+ if (port_value & MASK1) new_state |= 0x02;
-+ if (port_value & MASK2) new_state |= 0x04;
-+ if (port_value & MASK3) new_state |= 0x08;
-+
-+ port_value = i2c_smbus_read_byte_data(&capsense->client, CAP_READ_STATUS(1));
-+ if (port_value & MASK0) new_state |= 0x10;
-+
-+ mutex_unlock(&capsense->mutex);
-+
-+ // update keyboard state
-+ changed = capsense->key_state ^ new_state;
-+ for (i = 0; i < ARRAY_SIZE(keymap); i++)
-+ if (changed & (1 << i))
-+ input_report_key(dev->input, keymap[i], (new_state & (1 << i)));
-+ capsense->key_state = new_state;
-+ input_sync(dev->input);
-+}
-+
-+
-+static void
-+capsense_led_set(struct led_classdev *led_cdev,
-+ enum led_brightness value)
-+{
-+ struct cy3218_led *led = (struct cy3218_led *) led_cdev;
-+ struct cy3218 *capsense = led->capsense;
-+ int port = led->port;
-+ unsigned char mask = (1 << led->bit);
-+
-+ if ( value )
-+ capsense->led_state[port] |= mask;
-+ else
-+ capsense->led_state[port] &= ~mask;
-+
-+ mutex_lock(&capsense->mutex);
-+ i2c_smbus_write_byte_data(&capsense->client, CAP_OUTPUT_PORT(port), capsense->led_state[port]);
-+ mutex_unlock(&capsense->mutex);
-+}
-+
-+static void
-+capsense_led_enable(struct cy3218_led *led, int state)
-+{
-+ struct cy3218 *capsense = led->capsense;
-+
-+ mutex_lock(&capsense->mutex);
-+ i2c_smbus_write_byte_data(&capsense->client, CAP_OP_SEL(led->port, led->bit), state ? 0x00 : 0x80);
-+ mutex_unlock(&capsense->mutex);
-+}
-+
-+static int
-+capsense_led_init(struct cy3218 *capsense)
-+{
-+ int i;
-+ int ret;
-+
-+ for (i = 0; i < CAP_NLEDS; i++) {
-+ struct cy3218_led *led = &(capsense->leds[i]);
-+
-+ led->cdev.name = ledmap[i].name;
-+ led->cdev.brightness_set = capsense_led_set;
-+ led->capsense = capsense;
-+ led->port = ledmap[i].port;
-+ led->bit = ledmap[i].bit;
-+
-+ ret = led_classdev_register(&capsense->ipdev->input->dev, &led->cdev);
-+ if ( ret < 0 )
-+ return -1;
-+
-+ capsense_led_enable(led, 1);
-+ }
-+
-+ /* Switch all leds off */
-+ mutex_lock(&capsense->mutex);
-+
-+ capsense->led_state[0] = 0x00;
-+ i2c_smbus_write_byte_data(&capsense->client, CAP_OUTPUT_PORT(0), 0x00);
-+
-+ capsense->led_state[1] = 0x00;
-+ i2c_smbus_write_byte_data(&capsense->client, CAP_OUTPUT_PORT(1), 0x00);
-+
-+ mutex_unlock(&capsense->mutex);
-+
-+ return 0;
-+}
-+
-+
-+static void
-+capsense_led_exit(struct cy3218 *capsense)
-+{
-+ int i;
-+
-+ for (i = 0; i < CAP_NLEDS; i++) {
-+ led_classdev_unregister(&capsense->leds[i].cdev);
-+ }
-+}
-+
-+
-+static inline void
-+capsense_led_suspend(struct cy3218 *capsense)
-+{
-+ int i;
-+
-+ for (i = 0; i < CAP_NLEDS; i++) {
-+ struct cy3218_led *led = &(capsense->leds[i]);
-+
-+ led_classdev_suspend(&led->cdev);
-+ capsense_led_enable(led, 0);
-+ }
-+}
-+
-+
-+static inline void
-+capsense_led_resume(struct cy3218 *capsense)
-+{
-+ int i;
-+
-+ for (i = 0; i < CAP_NLEDS; i++) {
-+ struct cy3218_led *led = &(capsense->leds[i]);
-+
-+ capsense_led_enable(led, 1);
-+ led_classdev_resume(&led->cdev);
-+ }
-+}
-+
-+
-+static int
-+capsense_probe(struct i2c_adapter *adapter, int addr, int kind)
-+{
-+ struct cy3218 *capsense;
-+ struct input_polled_dev *ipdev;
-+ struct input_dev *input;
-+ int rc = 0, err = -ENOMEM, i=0;
-+
-+ capsense = kzalloc(sizeof(*capsense), GFP_KERNEL);
-+ if (!capsense)
-+ goto failout;
-+
-+ mutex_init(&capsense->mutex);
-+
-+ if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) {
-+ goto failout;
-+ }
-+
-+ ipdev = input_allocate_polled_device();
-+ if (!ipdev)
-+ goto failout;
-+
-+ capsense->key_state = 0;
-+ capsense->ipdev = ipdev;
-+ capsense->client.adapter = adapter;
-+ capsense->client.addr = addr;
-+ capsense->client.driver = &capsense_driver;
-+ strlcpy(capsense->client.name, CAPSENSE_NAME, I2C_NAME_SIZE);
-+ i2c_set_clientdata(&capsense->client, capsense);
-+
-+ rc = i2c_attach_client(&capsense->client);
-+ if (rc)
-+ goto out_attach;
-+
-+ ipdev->poll = handle_buttons;
-+ ipdev->private = capsense;
-+ ipdev->poll_interval = poll_interval;
-+
-+ input = ipdev->input;
-+ input->name = "Capsense buttons";
-+ input->phys = "capsense/input0";
-+ input->id.bustype = BUS_I2C;
-+ input->dev.parent = &capsense->client.dev;
-+
-+ input->keycode = keymap;
-+ input->keycodemax = ARRAY_SIZE(keymap);
-+ input->keycodesize = sizeof(unsigned short);
-+
-+ input_set_capability(input, EV_MSC, MSC_SCAN);
-+ set_bit(EV_KEY, ipdev->input->evbit);
-+
-+ for (i = 0; i < ARRAY_SIZE(keymap); i++)
-+ set_bit(keymap[i], ipdev->input->keybit);
-+
-+ rc = input_register_polled_device(ipdev);
-+ if(rc)
-+ goto out_polled;
-+
-+ if ( capsense_led_init(capsense) )
-+ goto out_registered;
-+
-+ return 0;
-+
-+out_registered:
-+ input_unregister_polled_device(ipdev);
-+out_polled:
-+ i2c_detach_client(&capsense->client);
-+out_attach:
-+ input_free_polled_device(ipdev);
-+failout:
-+ return err;
-+}
-+
-+static int
-+capsense_attach_adapter (struct i2c_adapter *adapter)
-+{
-+ return i2c_probe(adapter, &addr_data, capsense_probe);
-+}
-+
-+static int
-+capsense_detach_client(struct i2c_client *client)
-+{
-+ struct cy3218 *capsense = i2c_get_clientdata(client);
-+
-+ capsense_led_exit(capsense);
-+ input_unregister_polled_device(capsense->ipdev);
-+ i2c_detach_client(&capsense->client);
-+ input_free_polled_device(capsense->ipdev);
-+ return 0;
-+}
-+
-+#ifdef CONFIG_PM
-+static int capsense_suspend(struct i2c_client *client, pm_message_t mesg)
-+{
-+ struct cy3218 *capsense = i2c_get_clientdata(client);
-+
-+ capsense_led_suspend(capsense);
-+
-+ return 0;
-+}
-+
-+static int capsense_resume(struct i2c_client *client)
-+{
-+ struct cy3218 *capsense = i2c_get_clientdata(client);
-+
-+ capsense_led_resume(capsense);
-+
-+ return 0;
-+}
-+#endif
-+
-+
-+static int __init capsense_buttons_init(void)
-+{
-+ return i2c_add_driver(&capsense_driver);
-+}
-+
-+static void __exit capsense_buttons_exit(void)
-+{
-+ i2c_del_driver(&capsense_driver);
-+}
-+
-+MODULE_AUTHOR("Guillaume Ligneul <guillaume.ligneul@cenosys.com>");
-+MODULE_DESCRIPTION("Capsense CY3218 Input driver");
-+MODULE_LICENSE("GPL");
-+module_init(capsense_buttons_init);
-+module_exit(capsense_buttons_exit);
-Index: linux-2.6.27/drivers/input/misc/Kconfig
-===================================================================
---- linux-2.6.27.orig/drivers/input/misc/Kconfig
-+++ linux-2.6.27/drivers/input/misc/Kconfig
-@@ -207,4 +207,13 @@ config HP_SDC_RTC
- Say Y here if you want to support the built-in real time clock
- of the HP SDC controller.
-
-+config INPUT_CAPSENSE_BTNS
-+ tristate "CAPSENSE CY3218 button interface"
-+ select INPUT_POLLDEV
-+ select LEDS_CLASS
-+ help
-+ To compile this driver as a module, choose M here: the
-+ module will be called cy3218-btns.
-+ To change poll interval, invoque poll parameter in msecs.
-+
- endif
-Index: linux-2.6.27/drivers/input/misc/Makefile
-===================================================================
---- linux-2.6.27.orig/drivers/input/misc/Makefile
-+++ linux-2.6.27/drivers/input/misc/Makefile
-@@ -20,3 +20,5 @@ obj-$(CONFIG_HP_SDC_RTC) += hp_sdc_rtc.
- obj-$(CONFIG_INPUT_UINPUT) += uinput.o
- obj-$(CONFIG_INPUT_APANEL) += apanel.o
- obj-$(CONFIG_INPUT_SGI_BTNS) += sgi_btns.o
-+obj-$(CONFIG_INPUT_CAPSENSE_BTNS) += cy3218-btns.o
-+
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-06-08 06:01:27 +0000