Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / media / firewire / firedtv-rc.c

diff --git a/kernel/drivers/media/firewire/firedtv-rc.c b/kernel/drivers/media/firewire/firedtv-rc.c
new file mode 100644 (file)
index 0000000..f82d4a9
--- /dev/null
+++ b/kernel/drivers/media/firewire/firedtv-rc.c
@@ -0,0 +1,196 @@
+/*
+ * FireDTV driver (formerly known as FireSAT)
+ *
+ * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com>
+ *
+ *     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.
+ */
+
+#include <linux/bitops.h>
+#include <linux/input.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/workqueue.h>
+
+#include "firedtv.h"
+
+/* fixed table with older keycodes, geared towards MythTV */
+static const u16 oldtable[] = {
+
+       /* code from device: 0x4501...0x451f */
+
+       KEY_ESC,
+       KEY_F9,
+       KEY_1,
+       KEY_2,
+       KEY_3,
+       KEY_4,
+       KEY_5,
+       KEY_6,
+       KEY_7,
+       KEY_8,
+       KEY_9,
+       KEY_I,
+       KEY_0,
+       KEY_ENTER,
+       KEY_RED,
+       KEY_UP,
+       KEY_GREEN,
+       KEY_F10,
+       KEY_SPACE,
+       KEY_F11,
+       KEY_YELLOW,
+       KEY_DOWN,
+       KEY_BLUE,
+       KEY_Z,
+       KEY_P,
+       KEY_PAGEDOWN,
+       KEY_LEFT,
+       KEY_W,
+       KEY_RIGHT,
+       KEY_P,
+       KEY_M,
+
+       /* code from device: 0x4540...0x4542 */
+
+       KEY_R,
+       KEY_V,
+       KEY_C,
+};
+
+/* user-modifiable table for a remote as sold in 2008 */
+static const u16 keytable[] = {
+
+       /* code from device: 0x0300...0x031f */
+
+       [0x00] = KEY_POWER,
+       [0x01] = KEY_SLEEP,
+       [0x02] = KEY_STOP,
+       [0x03] = KEY_OK,
+       [0x04] = KEY_RIGHT,
+       [0x05] = KEY_1,
+       [0x06] = KEY_2,
+       [0x07] = KEY_3,
+       [0x08] = KEY_LEFT,
+       [0x09] = KEY_4,
+       [0x0a] = KEY_5,
+       [0x0b] = KEY_6,
+       [0x0c] = KEY_UP,
+       [0x0d] = KEY_7,
+       [0x0e] = KEY_8,
+       [0x0f] = KEY_9,
+       [0x10] = KEY_DOWN,
+       [0x11] = KEY_TITLE,     /* "OSD" - fixme */
+       [0x12] = KEY_0,
+       [0x13] = KEY_F20,       /* "16:9" - fixme */
+       [0x14] = KEY_SCREEN,    /* "FULL" - fixme */
+       [0x15] = KEY_MUTE,
+       [0x16] = KEY_SUBTITLE,
+       [0x17] = KEY_RECORD,
+       [0x18] = KEY_TEXT,
+       [0x19] = KEY_AUDIO,
+       [0x1a] = KEY_RED,
+       [0x1b] = KEY_PREVIOUS,
+       [0x1c] = KEY_REWIND,
+       [0x1d] = KEY_PLAYPAUSE,
+       [0x1e] = KEY_NEXT,
+       [0x1f] = KEY_VOLUMEUP,
+
+       /* code from device: 0x0340...0x0354 */
+
+       [0x20] = KEY_CHANNELUP,
+       [0x21] = KEY_F21,       /* "4:3" - fixme */
+       [0x22] = KEY_TV,
+       [0x23] = KEY_DVD,
+       [0x24] = KEY_VCR,
+       [0x25] = KEY_AUX,
+       [0x26] = KEY_GREEN,
+       [0x27] = KEY_YELLOW,
+       [0x28] = KEY_BLUE,
+       [0x29] = KEY_CHANNEL,   /* "CH.LIST" */
+       [0x2a] = KEY_VENDOR,    /* "CI" - fixme */
+       [0x2b] = KEY_VOLUMEDOWN,
+       [0x2c] = KEY_CHANNELDOWN,
+       [0x2d] = KEY_LAST,
+       [0x2e] = KEY_INFO,
+       [0x2f] = KEY_FORWARD,
+       [0x30] = KEY_LIST,
+       [0x31] = KEY_FAVORITES,
+       [0x32] = KEY_MENU,
+       [0x33] = KEY_EPG,
+       [0x34] = KEY_EXIT,
+};
+
+int fdtv_register_rc(struct firedtv *fdtv, struct device *dev)
+{
+       struct input_dev *idev;
+       int i, err;
+
+       idev = input_allocate_device();
+       if (!idev)
+               return -ENOMEM;
+
+       fdtv->remote_ctrl_dev = idev;
+       idev->name = "FireDTV remote control";
+       idev->dev.parent = dev;
+       idev->evbit[0] = BIT_MASK(EV_KEY);
+       idev->keycode = kmemdup(keytable, sizeof(keytable), GFP_KERNEL);
+       if (!idev->keycode) {
+               err = -ENOMEM;
+               goto fail;
+       }
+       idev->keycodesize = sizeof(keytable[0]);
+       idev->keycodemax = ARRAY_SIZE(keytable);
+
+       for (i = 0; i < ARRAY_SIZE(keytable); i++)
+               set_bit(keytable[i], idev->keybit);
+
+       err = input_register_device(idev);
+       if (err)
+               goto fail_free_keymap;
+
+       return 0;
+
+fail_free_keymap:
+       kfree(idev->keycode);
+fail:
+       input_free_device(idev);
+       return err;
+}
+
+void fdtv_unregister_rc(struct firedtv *fdtv)
+{
+       cancel_work_sync(&fdtv->remote_ctrl_work);
+       kfree(fdtv->remote_ctrl_dev->keycode);
+       input_unregister_device(fdtv->remote_ctrl_dev);
+}
+
+void fdtv_handle_rc(struct firedtv *fdtv, unsigned int code)
+{
+       struct input_dev *idev = fdtv->remote_ctrl_dev;
+       u16 *keycode = idev->keycode;
+
+       if (code >= 0x0300 && code <= 0x031f)
+               code = keycode[code - 0x0300];
+       else if (code >= 0x0340 && code <= 0x0354)
+               code = keycode[code - 0x0320];
+       else if (code >= 0x4501 && code <= 0x451f)
+               code = oldtable[code - 0x4501];
+       else if (code >= 0x4540 && code <= 0x4542)
+               code = oldtable[code - 0x4521];
+       else {
+               printk(KERN_DEBUG "firedtv: invalid key code 0x%04x "
+                      "from remote control\n", code);
+               return;
+       }
+
+       input_report_key(idev, code, 1);
+       input_sync(idev);
+       input_report_key(idev, code, 0);
+       input_sync(idev);
+}