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LibreELEC.tv/packages/linux/patches/linux-3.2.14-057.02-media-ati_remote-add-support-for-Medion-X10-Digitain.patch
Stephan Raue 30b2847118 linux: update to linux-3.2.14, this fixes #391 
Signed-off-by: Stephan Raue <stephan@openelec.tv>
2012-04-04 00:23:39 +02:00

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From 52d570e9e2d4e7e5637e6f8343fb9643fc6edb8b Mon Sep 17 00:00:00 2001
From: Anssi Hannula <anssi.hannula@iki.fi>
Date: Sun, 1 Apr 2012 20:36:07 +0300
Subject: [PATCH 2/2] [media] ati_remote: add support for Medion X10
Digitainer remote
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Add support for another Medion X10 remote. This was apparently
originally used with the Medion Digitainer box, but is now sold
separately without any Digitainer labeling.
A peculiarity of this remote is a scrollwheel in place of up/down
buttons. Each direction is mapped to 8 different scancodes, each
corresponding to 1..8 notches, allowing multiple notches to the same
direction to be transmitted in a single scancode. The driver transforms
the multi-notch scancodes to multiple events of the single-notch
scancode.
(0x70..0x77 = 1..8 notches down, 0x78..0x7f = 1..8 notches up)
Since the scrollwheel scancodes are the same that are used for mouse on
some other X10 (ati_remote) remotes, the driver will now check whether
the active keymap has a keycode defined for the single-notch scancode
when a mouse/scrollwheel scancode (0x70..0x7f) is received. If set,
scrollwheel is assumed, otherwise mouse is assumed.
This remote ships with a different receiver than the already supported
Medion X10 remote, but they share the same USB ID. The only difference
in the USB descriptors is that the Digitainer receiver has the Remote
Wakeup bit set in bmAttributes of the Configuration Descriptor.
Therefore that is used to select the default keymap.
Thanks to Stephan Raue from OpenELEC (www.openelec.tv) for providing me
both a Medion X10 Digitainer remote+receiver and an already supported
Medion X10 remote+receiver. Thanks to Martin Beyß for providing some
useful information about the remote (including the "Digitainer" name).
Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi>
---
drivers/media/rc/ati_remote.c | 90 ++++++++++-----
drivers/media/rc/keymaps/Makefile | 1 +
.../media/rc/keymaps/rc-medion-x10-digitainer.c | 115 ++++++++++++++++++++
include/media/rc-map.h | 1 +
4 files changed, 179 insertions(+), 28 deletions(-)
create mode 100644 drivers/media/rc/keymaps/rc-medion-x10-digitainer.c
diff --git a/drivers/media/rc/ati_remote.c b/drivers/media/rc/ati_remote.c
index 7a35f7a..26fa043 100644
--- a/drivers/media/rc/ati_remote.c
+++ b/drivers/media/rc/ati_remote.c
@@ -1,7 +1,7 @@
/*
* USB ATI Remote support
*
- * Copyright (c) 2011 Anssi Hannula <anssi.hannula@iki.fi>
+ * Copyright (c) 2011, 2012 Anssi Hannula <anssi.hannula@iki.fi>
* Version 2.2.0 Copyright (c) 2004 Torrey Hoffman <thoffman@arnor.net>
* Version 2.1.1 Copyright (c) 2002 Vladimir Dergachev
*
@@ -157,8 +157,20 @@ struct ati_receiver_type {
const char *(*get_default_keymap)(struct usb_interface *interface);
};
+static const char *get_medion_keymap(struct usb_interface *interface)
+{
+ struct usb_device *udev = interface_to_usbdev(interface);
+
+ /* The receiver shipped with the "Digitainer" variant helpfully has
+ * a single additional bit set in its descriptor. */
+ if (udev->actconfig->desc.bmAttributes & USB_CONFIG_ATT_WAKEUP)
+ return RC_MAP_MEDION_X10_DIGITAINER;
+
+ return RC_MAP_MEDION_X10;
+}
+
static const struct ati_receiver_type type_ati = { .default_keymap = RC_MAP_ATI_X10 };
-static const struct ati_receiver_type type_medion = { .default_keymap = RC_MAP_MEDION_X10 };
+static const struct ati_receiver_type type_medion = { .get_default_keymap = get_medion_keymap };
static const struct ati_receiver_type type_firefly = { .default_keymap = RC_MAP_SNAPSTREAM_FIREFLY };
static struct usb_device_id ati_remote_table[] = {
@@ -455,6 +467,7 @@ static void ati_remote_input_report(struct urb *urb)
int acc;
int remote_num;
unsigned char scancode;
+ u32 wheel_keycode = KEY_RESERVED;
int i;
/*
@@ -494,26 +507,33 @@ static void ati_remote_input_report(struct urb *urb)
*/
scancode = data[2] & 0x7f;
- /* Look up event code index in the mouse translation table. */
- for (i = 0; ati_remote_tbl[i].kind != KIND_END; i++) {
- if (scancode == ati_remote_tbl[i].data) {
- index = i;
- break;
+ dbginfo(&ati_remote->interface->dev,
+ "channel 0x%02x; key data %02x, scancode %02x\n",
+ remote_num, data[2], scancode);
+
+ if (scancode >= 0x70) {
+ /*
+ * This is either a mouse or scrollwheel event, depending on
+ * the remote/keymap.
+ * Get the keycode assigned to scancode 0x78/0x70. If it is
+ * set, assume this is a scrollwheel up/down event.
+ */
+ wheel_keycode = rc_g_keycode_from_table(ati_remote->rdev,
+ scancode & 0x78);
+
+ if (wheel_keycode == KEY_RESERVED) {
+ /* scrollwheel was not mapped, assume mouse */
+
+ /* Look up event code index in the mouse translation table. */
+ for (i = 0; ati_remote_tbl[i].kind != KIND_END; i++) {
+ if (scancode == ati_remote_tbl[i].data) {
+ index = i;
+ break;
+ }
+ }
}
}
- if (index >= 0) {
- dbginfo(&ati_remote->interface->dev,
- "channel 0x%02x; mouse data %02x; index %d; keycode %d\n",
- remote_num, data[2], index, ati_remote_tbl[index].code);
- if (!dev)
- return; /* no mouse device */
- } else
- dbginfo(&ati_remote->interface->dev,
- "channel 0x%02x; key data %02x, scancode %02x\n",
- remote_num, data[2], scancode);
-
-
if (index >= 0 && ati_remote_tbl[index].kind == KIND_LITERAL) {
input_event(dev, ati_remote_tbl[index].type,
ati_remote_tbl[index].code,
@@ -552,15 +572,29 @@ static void ati_remote_input_report(struct urb *urb)
if (index < 0) {
/* Not a mouse event, hand it to rc-core. */
-
- /*
- * We don't use the rc-core repeat handling yet as
- * it would cause ghost repeats which would be a
- * regression for this driver.
- */
- rc_keydown_notimeout(ati_remote->rdev, scancode,
- data[2]);
- rc_keyup(ati_remote->rdev);
+ int count = 1;
+
+ if (wheel_keycode != KEY_RESERVED) {
+ /*
+ * This is a scrollwheel event, send the
+ * scroll up (0x78) / down (0x70) scancode
+ * repeatedly as many times as indicated by
+ * rest of the scancode.
+ */
+ count = (scancode & 0x07) + 1;
+ scancode &= 0x78;
+ }
+
+ while (count--) {
+ /*
+ * We don't use the rc-core repeat handling yet as
+ * it would cause ghost repeats which would be a
+ * regression for this driver.
+ */
+ rc_keydown_notimeout(ati_remote->rdev, scancode,
+ data[2]);
+ rc_keyup(ati_remote->rdev);
+ }
return;
}
diff --git a/drivers/media/rc/keymaps/Makefile b/drivers/media/rc/keymaps/Makefile
index 36e4d5e..c1d977c 100644
--- a/drivers/media/rc/keymaps/Makefile
+++ b/drivers/media/rc/keymaps/Makefile
@@ -49,6 +49,7 @@ obj-$(CONFIG_RC_MAP) += rc-adstech-dvb-t-pci.o \
rc-lme2510.o \
rc-manli.o \
rc-medion-x10.o \
+ rc-medion-x10-digitainer.o \
rc-msi-digivox-ii.o \
rc-msi-digivox-iii.o \
rc-msi-tvanywhere.o \
diff --git a/drivers/media/rc/keymaps/rc-medion-x10-digitainer.c b/drivers/media/rc/keymaps/rc-medion-x10-digitainer.c
new file mode 100644
index 0000000..0a5ce84
--- /dev/null
+++ b/drivers/media/rc/keymaps/rc-medion-x10-digitainer.c
@@ -0,0 +1,115 @@
+/*
+ * Medion X10 RF remote keytable (Digitainer variant)
+ *
+ * Copyright (C) 2012 Anssi Hannula <anssi.hannula@iki.fi>
+ *
+ * This keymap is for a variant that has a distinctive scrollwheel instead of
+ * up/down buttons (tested with P/N 40009936 / 20018268), reportedly
+ * originally shipped with Medion Digitainer but now sold separately simply as
+ * an "X10" remote.
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <linux/module.h>
+#include <media/rc-map.h>
+
+static struct rc_map_table medion_x10_digitainer[] = {
+ { 0x02, KEY_POWER },
+
+ { 0x2c, KEY_TV },
+ { 0x2d, KEY_VIDEO },
+ { 0x04, KEY_DVD }, /* CD/DVD */
+ { 0x16, KEY_TEXT }, /* "teletext" icon, i.e. a screen with lines */
+ { 0x06, KEY_AUDIO },
+ { 0x2e, KEY_RADIO },
+ { 0x31, KEY_EPG }, /* a screen with an open book */
+ { 0x05, KEY_IMAGES }, /* Photo */
+ { 0x2f, KEY_INFO },
+
+ { 0x78, KEY_UP }, /* scrollwheel up 1 notch */
+ /* 0x79..0x7f: 2-8 notches, driver repeats 0x78 entry */
+
+ { 0x70, KEY_DOWN }, /* scrollwheel down 1 notch */
+ /* 0x71..0x77: 2-8 notches, driver repeats 0x70 entry */
+
+ { 0x19, KEY_MENU },
+ { 0x1d, KEY_LEFT },
+ { 0x1e, KEY_OK }, /* scrollwheel press */
+ { 0x1f, KEY_RIGHT },
+ { 0x20, KEY_BACK },
+
+ { 0x09, KEY_VOLUMEUP },
+ { 0x08, KEY_VOLUMEDOWN },
+ { 0x00, KEY_MUTE },
+
+ { 0x1b, KEY_SELECT }, /* also has "U" rotated 90 degrees CCW */
+
+ { 0x0b, KEY_CHANNELUP },
+ { 0x0c, KEY_CHANNELDOWN },
+ { 0x1c, KEY_LAST },
+
+ { 0x32, KEY_RED }, /* also Audio */
+ { 0x33, KEY_GREEN }, /* also Subtitle */
+ { 0x34, KEY_YELLOW }, /* also Angle */
+ { 0x35, KEY_BLUE }, /* also Title */
+
+ { 0x28, KEY_STOP },
+ { 0x29, KEY_PAUSE },
+ { 0x25, KEY_PLAY },
+ { 0x21, KEY_PREVIOUS },
+ { 0x18, KEY_CAMERA },
+ { 0x23, KEY_NEXT },
+ { 0x24, KEY_REWIND },
+ { 0x27, KEY_RECORD },
+ { 0x26, KEY_FORWARD },
+
+ { 0x0d, KEY_1 },
+ { 0x0e, KEY_2 },
+ { 0x0f, KEY_3 },
+ { 0x10, KEY_4 },
+ { 0x11, KEY_5 },
+ { 0x12, KEY_6 },
+ { 0x13, KEY_7 },
+ { 0x14, KEY_8 },
+ { 0x15, KEY_9 },
+ { 0x17, KEY_0 },
+};
+
+static struct rc_map_list medion_x10_digitainer_map = {
+ .map = {
+ .scan = medion_x10_digitainer,
+ .size = ARRAY_SIZE(medion_x10_digitainer),
+ .rc_type = RC_TYPE_OTHER,
+ .name = RC_MAP_MEDION_X10_DIGITAINER,
+ }
+};
+
+static int __init init_rc_map_medion_x10_digitainer(void)
+{
+ return rc_map_register(&medion_x10_digitainer_map);
+}
+
+static void __exit exit_rc_map_medion_x10_digitainer(void)
+{
+ rc_map_unregister(&medion_x10_digitainer_map);
+}
+
+module_init(init_rc_map_medion_x10_digitainer)
+module_exit(exit_rc_map_medion_x10_digitainer)
+
+MODULE_DESCRIPTION("Medion X10 RF remote keytable (Digitainer variant)");
+MODULE_AUTHOR("Anssi Hannula <anssi.hannula@iki.fi>");
+MODULE_LICENSE("GPL");
diff --git a/include/media/rc-map.h b/include/media/rc-map.h
index f688bde..902d29d 100644
--- a/include/media/rc-map.h
+++ b/include/media/rc-map.h
@@ -110,6 +110,7 @@ void rc_map_init(void);
#define RC_MAP_LME2510 "rc-lme2510"
#define RC_MAP_MANLI "rc-manli"
#define RC_MAP_MEDION_X10 "rc-medion-x10"
+#define RC_MAP_MEDION_X10_DIGITAINER "rc-medion-x10-digitainer"
#define RC_MAP_MSI_DIGIVOX_II "rc-msi-digivox-ii"
#define RC_MAP_MSI_DIGIVOX_III "rc-msi-digivox-iii"
#define RC_MAP_MSI_TVANYWHERE_PLUS "rc-msi-tvanywhere-plus"
--
1.7.9.3
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