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Diffstat (limited to 'target/linux/xburst/patches-2.6.34/801-n526-lpc.patch')
-rw-r--r--target/linux/xburst/patches-2.6.34/801-n526-lpc.patch287
1 files changed, 0 insertions, 287 deletions
diff --git a/target/linux/xburst/patches-2.6.34/801-n526-lpc.patch b/target/linux/xburst/patches-2.6.34/801-n526-lpc.patch
deleted file mode 100644
index 91fd88f..0000000
--- a/target/linux/xburst/patches-2.6.34/801-n526-lpc.patch
+++ /dev/null
@@ -1,287 +0,0 @@
-From f5978b5a9701fe1ddeffa0c5f73923fcaf31129e Mon Sep 17 00:00:00 2001
-From: Lars-Peter Clausen <lars@metafoo.de>
-Date: Wed, 12 May 2010 14:23:43 +0200
-Subject: [PATCH] Add n526 lpc driver
-
----
- drivers/misc/Kconfig | 9 ++
- drivers/misc/Makefile | 1 +
- drivers/misc/n526-lpc.c | 237 +++++++++++++++++++++++++++++++++++++++++++++++
- 3 files changed, 247 insertions(+), 0 deletions(-)
- create mode 100644 drivers/misc/n526-lpc.c
-
-diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
-index aacef22..0d8297a 100644
---- a/drivers/misc/Kconfig
-+++ b/drivers/misc/Kconfig
-@@ -346,6 +346,15 @@ config N516_LPC
- help
- N516 keyboard & power controller driver
-
-+config N526_LPC
-+ tristate "N526 LPC934 coprocessor"
-+ depends on JZ4740_N526
-+ help
-+ If you say yes here you get support for the N526s NXP LPC934 coprocessor.
-+ It is used as a keyboard controllor and for power management.
-+
-+ If you have a N526 you probably want to say Y here.
-+
- source "drivers/misc/c2port/Kconfig"
- source "drivers/misc/eeprom/Kconfig"
- source "drivers/misc/cb710/Kconfig"
-diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
-index 21e7394..1f866b3 100644
---- a/drivers/misc/Makefile
-+++ b/drivers/misc/Makefile
-@@ -32,3 +32,4 @@ obj-y += eeprom/
- obj-y += cb710/
- obj-$(CONFIG_VMWARE_BALLOON) += vmware_balloon.o
- obj-$(CONFIG_N516_LPC) += n516-lpc.o
-+obj-$(CONFIG_N526_LPC) += n526-lpc.o
-diff --git a/drivers/misc/n526-lpc.c b/drivers/misc/n526-lpc.c
-new file mode 100644
-index 0000000..4ac5c79
---- /dev/null
-+++ b/drivers/misc/n526-lpc.c
-@@ -0,0 +1,237 @@
-+/*
-+ * Copyright (C) 2009, Lars-Peter Clausen <lars@metafoo.de>
-+ *
-+ * 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.
-+ *
-+ * 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.,
-+ * 675 Mass Ave, Cambridge, MA 02139, USA.
-+ *
-+ */
-+
-+#include <linux/kernel.h>
-+#include <linux/module.h>
-+#include <linux/i2c.h>
-+#include <linux/input.h>
-+#include <linux/irq.h>
-+#include <linux/interrupt.h>
-+
-+#include <linux/workqueue.h>
-+
-+#include <asm/mach-jz4740/irq.h>
-+#include <asm/mach-jz4740/gpio.h>
-+
-+struct n526_lpc {
-+ struct i2c_client *client;
-+ struct input_dev *input;
-+
-+ struct work_struct work;
-+};
-+
-+static const unsigned int n526_lpc_keymap[] = {
-+ [0x01] = KEY_PAGEUP,
-+ [0x02] = KEY_PAGEDOWN,
-+ [0x03] = KEY_VOLUMEUP,
-+ [0x04] = KEY_VOLUMEDOWN,
-+ [0x06] = KEY_1,
-+ [0x07] = KEY_Q,
-+ [0x08] = KEY_A,
-+ [0x09] = KEY_Z,
-+ [0x0a] = KEY_LEFTSHIFT,
-+ [0x0b] = KEY_2,
-+ [0x0c] = KEY_W,
-+ [0x0d] = KEY_S,
-+ [0x0e] = KEY_X,
-+ [0x0f] = KEY_REFRESH,
-+ [0x10] = KEY_3,
-+ [0x11] = KEY_E,
-+ [0x12] = KEY_D,
-+ [0x13] = KEY_C,
-+ [0x14] = KEY_DOCUMENTS,
-+ [0x15] = KEY_4,
-+ [0x16] = KEY_R,
-+ [0x17] = KEY_F,
-+ [0x18] = KEY_V,
-+ [0x19] = KEY_MUTE,
-+ [0x1a] = KEY_5,
-+ [0x1b] = KEY_T,
-+ [0x1c] = KEY_G,
-+ [0x1d] = KEY_B,
-+ [0x1e] = KEY_DELETE,
-+ [0x1f] = KEY_6,
-+ [0x20] = KEY_Y,
-+ [0x21] = KEY_H,
-+ [0x22] = KEY_N,
-+ [0x23] = KEY_SPACE,
-+ [0x24] = KEY_7,
-+ [0x25] = KEY_U,
-+ [0x26] = KEY_J,
-+ [0x27] = KEY_M,
-+/* [0x28] = KEY_SYM, */
-+ [0x29] = KEY_8,
-+ [0x2a] = KEY_I,
-+ [0x2b] = KEY_K,
-+ [0x2c] = KEY_MENU,
-+ [0x2d] = KEY_LEFT,
-+ [0x2e] = KEY_9,
-+ [0x2f] = KEY_O,
-+ [0x30] = KEY_L,
-+ [0x31] = KEY_UP,
-+ [0x32] = KEY_DOWN,
-+ [0x33] = KEY_0,
-+ [0x34] = KEY_P,
-+ [0x35] = KEY_BACKSPACE,
-+ [0x36] = KEY_ENTER,
-+ [0x37] = KEY_RIGHT,
-+};
-+
-+static void n526_lpc_irq_work(struct work_struct *work)
-+{
-+ int ret;
-+ struct n526_lpc *n526_lpc = container_of(work, struct n526_lpc, work);
-+ struct i2c_client *client = n526_lpc->client;
-+ unsigned char raw_msg;
-+ struct i2c_msg msg = {client->addr, client->flags | I2C_M_RD, 1, &raw_msg};
-+ unsigned char keycode;
-+
-+
-+ ret = i2c_transfer(client->adapter, &msg, 1);
-+
-+ if (ret != 1) {
-+ dev_err(&client->dev, "Failed to read lpc status\n");
-+ }
-+
-+ keycode = raw_msg & 0x7f;
-+
-+ if (keycode < ARRAY_SIZE(n526_lpc_keymap)) {
-+ input_report_key(n526_lpc->input, n526_lpc_keymap[keycode],
-+ !(raw_msg & 0x80));
-+ input_sync(n526_lpc->input);
-+ }
-+}
-+
-+static irqreturn_t n526_lpc_irq(int irq, void *dev_id)
-+{
-+ struct n526_lpc *n526_lpc = dev_id;
-+
-+ schedule_work(&n526_lpc->work);
-+ return IRQ_HANDLED;
-+}
-+
-+static int __devinit n526_lpc_probe(struct i2c_client *client,
-+ const struct i2c_device_id *id)
-+{
-+ int ret;
-+ size_t i;
-+ struct n526_lpc *n526_lpc;
-+ struct input_dev *input;
-+
-+ n526_lpc = kmalloc(sizeof(*n526_lpc), GFP_KERNEL);
-+
-+ if (!n526_lpc) {
-+ dev_err(&client->dev, "Failed to allocate device structure\n");
-+ return -ENOMEM;
-+ }
-+
-+ input = input_allocate_device();
-+ if (!input) {
-+ dev_err(&client->dev, "Failed to allocate input device\n");
-+ ret = -ENOMEM;
-+ goto err_free;
-+ }
-+
-+ input->name = "n526-keys";
-+ input->phys = "n526-keys/input0";
-+ input->dev.parent = &client->dev;
-+ input->id.bustype = BUS_I2C;
-+ input->id.vendor = 0x0001;
-+ input->id.product = 0x0001;
-+ input->id.version = 0x0001;
-+
-+ __set_bit(EV_KEY, input->evbit);
-+
-+ for (i = 0; i < ARRAY_SIZE(n526_lpc_keymap); ++i) {
-+ if (n526_lpc_keymap[i] != 0)
-+ __set_bit(n526_lpc_keymap[i], input->keybit);
-+ }
-+
-+ ret = input_register_device(input);
-+
-+ if (ret) {
-+ dev_err(&client->dev, "Failed to register input device: %d\n", ret);
-+ goto err_free_input;
-+ }
-+
-+ n526_lpc->client = client;
-+ n526_lpc->input = input;
-+ INIT_WORK(&n526_lpc->work, n526_lpc_irq_work);
-+
-+ ret = request_irq(client->irq, n526_lpc_irq, IRQF_TRIGGER_FALLING,
-+ "n526-lpc", n526_lpc);
-+ if (ret) {
-+ dev_err(&client->dev, "Failed to request irq: %d\n", ret);
-+ goto err_unregister_input;
-+ }
-+
-+ i2c_set_clientdata(client, n526_lpc);
-+
-+ return 0;
-+
-+err_unregister_input:
-+ input_unregister_device(input);
-+err_free_input:
-+ input_free_device(input);
-+err_free:
-+ kfree(n526_lpc);
-+
-+ return ret;
-+}
-+
-+static int n526_lpc_remove(struct i2c_client *client)
-+{
-+ struct n526_lpc *n526_lpc = i2c_get_clientdata(client);
-+
-+ free_irq(client->irq, n526_lpc);
-+
-+ i2c_set_clientdata(client, NULL);
-+ input_unregister_device(n526_lpc->input);
-+ input_free_device(n526_lpc->input);
-+ kfree(n526_lpc);
-+
-+ return 0;
-+}
-+
-+static const struct i2c_device_id n526_lpc_id[] = {
-+ { "n526-lpc", 0 },
-+ { }
-+};
-+MODULE_DEVICE_TABLE(i2c, n526_lpc_id);
-+
-+static struct i2c_driver n526_lpc_driver = {
-+ .driver = {
-+ .name = "n526-lpc",
-+ .owner = THIS_MODULE,
-+ },
-+ .probe = n526_lpc_probe,
-+ .remove = n526_lpc_remove,
-+ .id_table = n526_lpc_id,
-+};
-+
-+static int __init n526_lpc_init(void)
-+{
-+ return i2c_add_driver(&n526_lpc_driver);
-+}
-+module_init(n526_lpc_init);
-+
-+static void __exit n526_lpc_exit(void)
-+{
-+ i2c_del_driver(&n526_lpc_driver);
-+}
-+module_exit(n526_lpc_exit);
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Lars-Peter Clausen");
-+MODULE_DESCRIPTION("n526 keypad driver");
-+MODULE_ALIAS("i2c:n526-keys");
---
-1.5.6.5
-
generated by cgit v1.1 at 2024-11-26 00:54:03 +0000