diff options
Diffstat (limited to 'target/linux/xburst/patches-2.6.37/801-n526-lpc.patch')
-rw-r--r-- | target/linux/xburst/patches-2.6.37/801-n526-lpc.patch | 278 |
1 files changed, 0 insertions, 278 deletions
diff --git a/target/linux/xburst/patches-2.6.37/801-n526-lpc.patch b/target/linux/xburst/patches-2.6.37/801-n526-lpc.patch deleted file mode 100644 index 3da1ce86c..000000000 --- a/target/linux/xburst/patches-2.6.37/801-n526-lpc.patch +++ /dev/null @@ -1,278 +0,0 @@ -From 3959d6b8837faf00c7902c5537de2a2eba3c1b7e 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 5/5] Add n526 lpc driver - ---- - drivers/misc/Kconfig | 9 ++ - drivers/misc/Makefile | 1 + - drivers/misc/n526-lpc.c | 238 +++++++++++++++++++++++++++++++++++++++++++++++ - 3 files changed, 248 insertions(+), 0 deletions(-) - create mode 100644 drivers/misc/n526-lpc.c - ---- a/drivers/misc/Kconfig -+++ b/drivers/misc/Kconfig -@@ -460,6 +460,15 @@ 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" ---- a/drivers/misc/Makefile -+++ b/drivers/misc/Makefile -@@ -43,3 +43,4 @@ obj-$(CONFIG_PCH_PHUB) += pch_phub.o - obj-y += ti-st/ - obj-$(CONFIG_AB8500_PWM) += ab8500-pwm.o - obj-$(CONFIG_N516_LPC) += n516-lpc.o -+obj-$(CONFIG_N526_LPC) += n526-lpc.o ---- /dev/null -+++ b/drivers/misc/n526-lpc.c -@@ -0,0 +1,238 @@ -+/* -+ * 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/slab.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"); |