[media] ati_remote: add support for SnapStream Firefly remote

The protocol differs by having two toggle bits in the scancode. Since
one of the bits is otherwise unused, we can safely handle the bits
unconditionally.

[mchehab@redhat.com: Fix some bad whitespacing]
Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

3 files changed, 120 insertions, 2 deletions

diff --git a/drivers/media/rc/ati_remote.c b/drivers/media/rc/ati_remote.c
index 94d241d37619..303f22ea04c0 100644
--- a/drivers/media/rc/ati_remote.c
+++ b/drivers/media/rc/ati_remote.c
@@ -107,6 +107,7 @@
 #define ATI_REMOTE_PRODUCT_ID           0x0004
 #define NVIDIA_REMOTE_PRODUCT_ID        0x0005
 #define MEDION_REMOTE_PRODUCT_ID        0x0006
+#define FIREFLY_REMOTE_PRODUCT_ID       0x0008
 
 #define DRIVER_VERSION          "2.2.1"
 #define DRIVER_AUTHOR           "Torrey Hoffman <thoffman@arnor.net>"
@@ -156,6 +157,7 @@ static struct usb_device_id ati_remote_table[] = {
         { USB_DEVICE(ATI_REMOTE_VENDOR_ID, ATI_REMOTE_PRODUCT_ID),      .driver_info = (unsigned long)RC_MAP_ATI_X10 },
         { USB_DEVICE(ATI_REMOTE_VENDOR_ID, NVIDIA_REMOTE_PRODUCT_ID),   .driver_info = (unsigned long)RC_MAP_ATI_X10 },
         { USB_DEVICE(ATI_REMOTE_VENDOR_ID, MEDION_REMOTE_PRODUCT_ID),   .driver_info = (unsigned long)RC_MAP_MEDION_X10 },
+        { USB_DEVICE(ATI_REMOTE_VENDOR_ID, FIREFLY_REMOTE_PRODUCT_ID),  .driver_info = (unsigned long)RC_MAP_SNAPSTREAM_FIREFLY },
         {}      /* Terminating entry */
 };
 
@@ -482,7 +484,15 @@ static void ati_remote_input_report(struct urb *urb)
 
         scancode[0] = (((data[1] - ((remote_num + 1) << 4)) & 0xf0) | (data[1] & 0x0f));
 
-        scancode[1] = data[2];
+        /*
+         * Some devices (e.g. SnapStream Firefly) use 8080 as toggle code,
+         * so we have to clear them. The first bit is a bit tricky as the
+         * "non-toggled" state depends on remote_num, so we xor it with the
+         * second bit which is only used for toggle.
+         */
+        scancode[0] ^= (data[2] & 0x80);
+
+        scancode[1] = data[2] & ~0x80;
 
         /* Look up event code index in mouse translation table. */
         index = ati_remote_event_lookup(remote_num, scancode[0], scancode[1]);
@@ -546,7 +556,8 @@ static void ati_remote_input_report(struct urb *urb)
                          * it would cause ghost repeats which would be a
                          * regression for this driver.
                          */
-                        rc_keydown_notimeout(ati_remote->rdev, rc_code, 0);
+                        rc_keydown_notimeout(ati_remote->rdev, rc_code,
+                                             data[2]);
                         rc_keyup(ati_remote->rdev);
                         return;
                 }
diff --git a/drivers/media/rc/keymaps/Makefile b/drivers/media/rc/keymaps/Makefile
index 2b97b4327ab2..36e4d5e8dd6a 100644
--- a/drivers/media/rc/keymaps/Makefile
+++ b/drivers/media/rc/keymaps/Makefile
@@ -72,6 +72,7 @@ obj-$(CONFIG_RC_MAP) += rc-adstech-dvb-t-pci.o \
                         rc-hauppauge.o \
                         rc-rc6-mce.o \
                         rc-real-audio-220-32-keys.o \
+                        rc-snapstream-firefly.o \
                         rc-streamzap.o \
                         rc-tbs-nec.o \
                         rc-technisat-usb2.o \
diff --git a/drivers/media/rc/keymaps/rc-snapstream-firefly.c b/drivers/media/rc/keymaps/rc-snapstream-firefly.c
new file mode 100644
index 000000000000..5836aa216621
--- /dev/null
+++ b/drivers/media/rc/keymaps/rc-snapstream-firefly.c
@@ -0,0 +1,106 @@
+/*
+ * SnapStream Firefly X10 RF remote keytable
+ *
+ * Copyright (C) 2011 Anssi Hannula <anssi.hannula@?ki.fi>
+ *
+ * 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 <media/rc-map.h>
+
+static struct rc_map_table snapstream_firefly[] = {
+        { 0xf12c, KEY_ZOOM },       /* Maximize */
+        { 0xc702, KEY_CLOSE },
+
+        { 0xd20d, KEY_1 },
+        { 0xd30e, KEY_2 },
+        { 0xd40f, KEY_3 },
+        { 0xd510, KEY_4 },
+        { 0xd611, KEY_5 },
+        { 0xd712, KEY_6 },
+        { 0xd813, KEY_7 },
+        { 0xd914, KEY_8 },
+        { 0xda15, KEY_9 },
+        { 0xdc17, KEY_0 },
+        { 0xdb16, KEY_BACK },
+        { 0xdd18, KEY_KPENTER },    /* ent */
+
+        { 0xce09, KEY_VOLUMEUP },
+        { 0xcd08, KEY_VOLUMEDOWN },
+        { 0xcf0a, KEY_MUTE },
+        { 0xd00b, KEY_CHANNELUP },
+        { 0xd10c, KEY_CHANNELDOWN },
+        { 0xc500, KEY_VENDOR },     /* firefly */
+
+        { 0xf32e, KEY_INFO },
+        { 0xf42f, KEY_OPTION },
+
+        { 0xe21d, KEY_LEFT },
+        { 0xe41f, KEY_RIGHT },
+        { 0xe722, KEY_DOWN },
+        { 0xdf1a, KEY_UP },
+        { 0xe31e, KEY_OK },
+
+        { 0xe11c, KEY_MENU },
+        { 0xe520, KEY_EXIT },
+
+        { 0xec27, KEY_RECORD },
+        { 0xea25, KEY_PLAY },
+        { 0xed28, KEY_STOP },
+        { 0xe924, KEY_REWIND },
+        { 0xeb26, KEY_FORWARD },
+        { 0xee29, KEY_PAUSE },
+        { 0xf02b, KEY_PREVIOUS },
+        { 0xef2a, KEY_NEXT },
+
+        { 0xcb06, KEY_AUDIO },      /* Music */
+        { 0xca05, KEY_IMAGES },     /* Photos */
+        { 0xc904, KEY_DVD },
+        { 0xc803, KEY_TV },
+        { 0xcc07, KEY_VIDEO },
+
+        { 0xc601, KEY_HELP },
+        { 0xf22d, KEY_MODE },       /* Mouse */
+
+        { 0xde19, KEY_A },
+        { 0xe01b, KEY_B },
+        { 0xe621, KEY_C },
+        { 0xe823, KEY_D },
+};
+
+static struct rc_map_list snapstream_firefly_map = {
+        .map = {
+                .scan    = snapstream_firefly,
+                .size    = ARRAY_SIZE(snapstream_firefly),
+                .rc_type = RC_TYPE_OTHER,
+                .name    = RC_MAP_SNAPSTREAM_FIREFLY,
+        }
+};
+
+static int __init init_rc_map_snapstream_firefly(void)
+{
+        return rc_map_register(&snapstream_firefly_map);
+}
+
+static void __exit exit_rc_map_snapstream_firefly(void)
+{
+        rc_map_unregister(&snapstream_firefly_map);
+}
+
+module_init(init_rc_map_snapstream_firefly)
+module_exit(exit_rc_map_snapstream_firefly)
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Anssi Hannula <anssi.hannula@iki.fi>");