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Diffstat (limited to 'drivers/media/rc/ati_remote.c')
-rw-r--r--drivers/media/rc/ati_remote.c146
1 files changed, 109 insertions, 37 deletions
diff --git a/drivers/media/rc/ati_remote.c b/drivers/media/rc/ati_remote.c
index baf907b3ce76..7be377fc1be8 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
*
@@ -151,13 +151,57 @@ MODULE_PARM_DESC(mouse, "Enable mouse device, default = yes");
#undef err
#define err(format, arg...) printk(KERN_ERR format , ## arg)
+struct ati_receiver_type {
+ /* either default_keymap or get_default_keymap should be set */
+ const char *default_keymap;
+ 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);
+
+ /*
+ * There are many different Medion remotes shipped with a receiver
+ * with the same usb id, but the receivers have subtle differences
+ * in the USB descriptors allowing us to detect them.
+ */
+
+ if (udev->manufacturer && udev->product) {
+ if (udev->actconfig->desc.bmAttributes & USB_CONFIG_ATT_WAKEUP) {
+
+ if (!strcmp(udev->manufacturer, "X10 Wireless Technology Inc")
+ && !strcmp(udev->product, "USB Receiver"))
+ return RC_MAP_MEDION_X10_DIGITAINER;
+
+ if (!strcmp(udev->manufacturer, "X10 WTI")
+ && !strcmp(udev->product, "RF receiver"))
+ return RC_MAP_MEDION_X10_OR2X;
+ } else {
+
+ if (!strcmp(udev->manufacturer, "X10 Wireless Technology Inc")
+ && !strcmp(udev->product, "USB Receiver"))
+ return RC_MAP_MEDION_X10;
+ }
+ }
+
+ dev_info(&interface->dev,
+ "Unknown Medion X10 receiver, using default ati_remote Medion keymap\n");
+
+ 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 = { .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[] = {
- { USB_DEVICE(ATI_REMOTE_VENDOR_ID, LOLA_REMOTE_PRODUCT_ID), .driver_info = (unsigned long)RC_MAP_ATI_X10 },
- { USB_DEVICE(ATI_REMOTE_VENDOR_ID, LOLA2_REMOTE_PRODUCT_ID), .driver_info = (unsigned long)RC_MAP_ATI_X10 },
- { 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 },
+ { USB_DEVICE(ATI_REMOTE_VENDOR_ID, LOLA_REMOTE_PRODUCT_ID), .driver_info = (unsigned long)&type_ati },
+ { USB_DEVICE(ATI_REMOTE_VENDOR_ID, LOLA2_REMOTE_PRODUCT_ID), .driver_info = (unsigned long)&type_ati },
+ { USB_DEVICE(ATI_REMOTE_VENDOR_ID, ATI_REMOTE_PRODUCT_ID), .driver_info = (unsigned long)&type_ati },
+ { USB_DEVICE(ATI_REMOTE_VENDOR_ID, NVIDIA_REMOTE_PRODUCT_ID), .driver_info = (unsigned long)&type_ati },
+ { USB_DEVICE(ATI_REMOTE_VENDOR_ID, MEDION_REMOTE_PRODUCT_ID), .driver_info = (unsigned long)&type_medion },
+ { USB_DEVICE(ATI_REMOTE_VENDOR_ID, FIREFLY_REMOTE_PRODUCT_ID), .driver_info = (unsigned long)&type_firefly },
{} /* Terminating entry */
};
@@ -445,6 +489,7 @@ static void ati_remote_input_report(struct urb *urb)
int acc;
int remote_num;
unsigned char scancode;
+ u32 wheel_keycode = KEY_RESERVED;
int i;
/*
@@ -484,26 +529,33 @@ 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,
@@ -542,15 +594,29 @@ 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;
}
@@ -766,6 +832,7 @@ static int ati_remote_probe(struct usb_interface *interface, const struct usb_de
struct usb_device *udev = interface_to_usbdev(interface);
struct usb_host_interface *iface_host = interface->cur_altsetting;
struct usb_endpoint_descriptor *endpoint_in, *endpoint_out;
+ struct ati_receiver_type *type = (struct ati_receiver_type *)id->driver_info;
struct ati_remote *ati_remote;
struct input_dev *input_dev;
struct rc_dev *rc_dev;
@@ -827,10 +894,15 @@ static int ati_remote_probe(struct usb_interface *interface, const struct usb_de
snprintf(ati_remote->mouse_name, sizeof(ati_remote->mouse_name),
"%s mouse", ati_remote->rc_name);
- if (id->driver_info)
- rc_dev->map_name = (const char *)id->driver_info;
- else
- rc_dev->map_name = RC_MAP_ATI_X10;
+ rc_dev->map_name = RC_MAP_ATI_X10; /* default map */
+
+ /* set default keymap according to receiver model */
+ if (type) {
+ if (type->default_keymap)
+ rc_dev->map_name = type->default_keymap;
+ else if (type->get_default_keymap)
+ rc_dev->map_name = type->get_default_keymap(interface);
+ }
ati_remote_rc_init(ati_remote);
mutex_init(&ati_remote->open_mutex);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.