--- /dev/null
+/*
+ * drivers/input/keyboard/jornada720_kbd.c
+ *
+ * HP Jornada 720 keyboard platform driver
+ *
+ * Copyright (C) 2006/2007 Kristoffer Ericson <Kristoffer.Ericson@Gmail.com>
+ *
+ * Copyright (C) 2006 jornada 720 kbd driver by
+ Filip Zyzniewsk <Filip.Zyzniewski@tefnet.plX
+ * based on (C) 2004 jornada 720 kbd driver by
+ Alex Lange <chicken@handhelds.org>
+ *
+ * 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/device.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/input.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+#include <mach/jornada720.h>
+#include <mach/hardware.h>
+#include <mach/irqs.h>
+
+MODULE_AUTHOR("Kristoffer Ericson <Kristoffer.Ericson@gmail.com>");
+MODULE_DESCRIPTION("HP Jornada 710/720/728 keyboard driver");
+MODULE_LICENSE("GPL v2");
+
+static unsigned short jornada_std_keymap[128] = { /* ROW */
+ 0, KEY_ESC, KEY_F1, KEY_F2, KEY_F3, KEY_F4, KEY_F5, KEY_F6, KEY_F7, /* #1 */
+ KEY_F8, KEY_F9, KEY_F10, KEY_F11, KEY_VOLUMEUP, KEY_VOLUMEDOWN, KEY_MUTE, /* -> */
+ 0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, KEY_7, KEY_8, KEY_9, /* #2 */
+ KEY_0, KEY_MINUS, KEY_EQUAL,0, 0, 0, /* -> */
+ 0, KEY_Q, KEY_W, KEY_E, KEY_R, KEY_T, KEY_Y, KEY_U, KEY_I, KEY_O, /* #3 */
+ KEY_P, KEY_BACKSLASH, KEY_BACKSPACE, 0, 0, 0, /* -> */
+ 0, KEY_A, KEY_S, KEY_D, KEY_F, KEY_G, KEY_H, KEY_J, KEY_K, KEY_L, /* #4 */
+ KEY_SEMICOLON, KEY_LEFTBRACE, KEY_RIGHTBRACE, 0, 0, 0, /* -> */
+ 0, KEY_Z, KEY_X, KEY_C, KEY_V, KEY_B, KEY_N, KEY_M, KEY_COMMA, /* #5 */
+ KEY_DOT, KEY_KPMINUS, KEY_APOSTROPHE, KEY_ENTER, 0, 0,0, /* -> */
+ 0, KEY_TAB, 0, KEY_LEFTSHIFT, 0, KEY_APOSTROPHE, 0, 0, 0, 0, /* #6 */
+ KEY_UP, 0, KEY_RIGHTSHIFT, 0, 0, 0,0, 0, 0, 0, 0, KEY_LEFTALT, KEY_GRAVE, /* -> */
+ 0, 0, KEY_LEFT, KEY_DOWN, KEY_RIGHT, 0, 0, 0, 0,0, KEY_KPASTERISK, /* -> */
+ KEY_LEFTCTRL, 0, KEY_SPACE, 0, 0, 0, KEY_SLASH, KEY_DELETE, 0, 0, /* -> */
+ 0, 0, 0, KEY_POWER, /* -> */
+};
+
+struct jornadakbd {
+ unsigned short keymap[ARRAY_SIZE(jornada_std_keymap)];
+ struct input_dev *input;
+};
+
+static irqreturn_t jornada720_kbd_interrupt(int irq, void *dev_id)
+{
+ struct platform_device *pdev = dev_id;
+ struct jornadakbd *jornadakbd = platform_get_drvdata(pdev);
+ struct input_dev *input = jornadakbd->input;
+ u8 count, kbd_data, scan_code;
+
+ /* startup ssp with spinlock */
+ jornada_ssp_start();
+
+ if (jornada_ssp_inout(GETSCANKEYCODE) != TXDUMMY) {
+ printk(KERN_DEBUG
+ "jornada720_kbd: "
+ "GetKeycode command failed with ETIMEDOUT, "
+ "flushed bus\n");
+ } else {
+ /* How many keycodes are waiting for us? */
+ count = jornada_ssp_byte(TXDUMMY);
+
+ /* Lets drag them out one at a time */
+ while (count--) {
+ /* Exchange TxDummy for location (keymap[kbddata]) */
+ kbd_data = jornada_ssp_byte(TXDUMMY);
+ scan_code = kbd_data & 0x7f;
+
+ input_event(input, EV_MSC, MSC_SCAN, scan_code);
+ input_report_key(input, jornadakbd->keymap[scan_code],
+ !(kbd_data & 0x80));
+ input_sync(input);
+ }
+ }
+
+ /* release spinlock and turn off ssp */
+ jornada_ssp_end();
+
+ return IRQ_HANDLED;
+};
+
+static int jornada720_kbd_probe(struct platform_device *pdev)
+{
+ struct jornadakbd *jornadakbd;
+ struct input_dev *input_dev;
+ int i, err;
+
+ jornadakbd = kzalloc(sizeof(struct jornadakbd), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!jornadakbd || !input_dev) {
+ err = -ENOMEM;
+ goto fail1;
+ }
+
+ platform_set_drvdata(pdev, jornadakbd);
+
+ memcpy(jornadakbd->keymap, jornada_std_keymap,
+ sizeof(jornada_std_keymap));
+ jornadakbd->input = input_dev;
+
+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
+ input_dev->name = "HP Jornada 720 keyboard";
+ input_dev->phys = "jornadakbd/input0";
+ input_dev->keycode = jornadakbd->keymap;
+ input_dev->keycodesize = sizeof(unsigned short);
+ input_dev->keycodemax = ARRAY_SIZE(jornada_std_keymap);
+ input_dev->id.bustype = BUS_HOST;
+ input_dev->dev.parent = &pdev->dev;
+
+ for (i = 0; i < ARRAY_SIZE(jornadakbd->keymap); i++)
+ __set_bit(jornadakbd->keymap[i], input_dev->keybit);
+ __clear_bit(KEY_RESERVED, input_dev->keybit);
+
+ input_set_capability(input_dev, EV_MSC, MSC_SCAN);
+
+ err = request_irq(IRQ_GPIO0,
+ jornada720_kbd_interrupt,
+ IRQF_TRIGGER_FALLING,
+ "jornadakbd", pdev);
+ if (err) {
+ printk(KERN_INFO "jornadakbd720_kbd: Unable to grab IRQ\n");
+ goto fail1;
+ }
+
+ err = input_register_device(jornadakbd->input);
+ if (err)
+ goto fail2;
+
+ return 0;
+
+ fail2: /* IRQ, DEVICE, MEMORY */
+ free_irq(IRQ_GPIO0, pdev);
+ fail1: /* DEVICE, MEMORY */
+ input_free_device(input_dev);
+ kfree(jornadakbd);
+ return err;
+};
+
+static int jornada720_kbd_remove(struct platform_device *pdev)
+{
+ struct jornadakbd *jornadakbd = platform_get_drvdata(pdev);
+
+ free_irq(IRQ_GPIO0, pdev);
+ input_unregister_device(jornadakbd->input);
+ kfree(jornadakbd);
+
+ return 0;
+}
+
+/* work with hotplug and coldplug */
+MODULE_ALIAS("platform:jornada720_kbd");
+
+static struct platform_driver jornada720_kbd_driver = {
+ .driver = {
+ .name = "jornada720_kbd",
+ },
+ .probe = jornada720_kbd_probe,
+ .remove = jornada720_kbd_remove,
+};
+module_platform_driver(jornada720_kbd_driver);
Code Review / kvmfornfv.git / blobdiff