1 files changed, 190 insertions, 0 deletions

diff --git a/drivers/media/dvb/firewire/firedtv-rc.c b/drivers/media/dvb/firewire/firedtv-rc.c
new file mode 100644
index 000000000000..46a6324d7b73
--- /dev/null
+++ b/drivers/media/dvb/firewire/firedtv-rc.c
@@ -0,0 +1,190 @@
+/*
+ * 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/string.h>
+#include <linux/types.h>
+
+#include "firedtv.h"
+
+/* fixed table with older keycodes, geared towards MythTV */
+const static 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 */
+const static 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)
+{
+        kfree(fdtv->remote_ctrl_dev->keycode);
+        input_unregister_device(fdtv->remote_ctrl_dev);
+}
+
+void fdtv_handle_rc(struct firedtv *fdtv, unsigned int code)
+{
+        u16 *keycode = fdtv->remote_ctrl_dev->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(fdtv->remote_ctrl_dev, code, 1);
+        input_report_key(fdtv->remote_ctrl_dev, code, 0);
+}