};
/*
+ * Keymap for WMI events of type 0x0000
+ *
* Certain keys are flagged as KE_IGNORE. All of these are either
* notifications (rather than requests for change) or are also sent
* via the keyboard controller so should not be sent again.
*/
-
-static const struct key_entry dell_wmi_legacy_keymap[] __initconst = {
+static const struct key_entry dell_wmi_keymap_type_0000[] __initconst = {
{ KE_IGNORE, 0x003a, { KEY_CAPSLOCK } },
/* Key code is followed by brightness level */
{ KE_IGNORE, 0xe0f7, { KEY_MUTE } },
{ KE_IGNORE, 0xe0f8, { KEY_VOLUMEDOWN } },
{ KE_IGNORE, 0xe0f9, { KEY_VOLUMEUP } },
-
- { KE_END, 0 }
};
-static bool dell_new_hk_type;
-
struct dell_bios_keymap_entry {
u16 scancode;
u16 keycode;
struct dell_dmi_results {
int err;
+ int keymap_size;
struct key_entry *keymap;
};
};
/*
+ * Keymap for WMI events of type 0x0010
+ *
* These are applied if the 0xB2 DMI hotkey table is present and doesn't
* override them.
*/
-static const struct key_entry dell_wmi_extra_keymap[] __initconst = {
+static const struct key_entry dell_wmi_keymap_type_0010[] __initconst = {
/* Fn-lock */
{ KE_IGNORE, 0x151, { KEY_RESERVED } },
{ KE_IGNORE, 0x155, { KEY_RESERVED } },
};
+/*
+ * Keymap for WMI events of type 0x0011
+ */
+static const struct key_entry dell_wmi_keymap_type_0011[] __initconst = {
+ /* Battery unplugged */
+ { KE_IGNORE, 0xfff0, { KEY_RESERVED } },
+
+ /* Battery inserted */
+ { KE_IGNORE, 0xfff1, { KEY_RESERVED } },
+
+ /* Keyboard backlight level changed */
+ { KE_IGNORE, 0x01e1, { KEY_RESERVED } },
+ { KE_IGNORE, 0x02ea, { KEY_RESERVED } },
+ { KE_IGNORE, 0x02eb, { KEY_RESERVED } },
+ { KE_IGNORE, 0x02ec, { KEY_RESERVED } },
+ { KE_IGNORE, 0x02f6, { KEY_RESERVED } },
+};
+
static struct input_dev *dell_wmi_input_dev;
-static void dell_wmi_process_key(int reported_key)
+static void dell_wmi_process_key(int type, int code)
{
const struct key_entry *key;
key = sparse_keymap_entry_from_scancode(dell_wmi_input_dev,
- reported_key);
+ (type << 16) | code);
if (!key) {
- pr_info("Unknown key with scancode 0x%x pressed\n",
- reported_key);
+ pr_info("Unknown key with type 0x%04x and code 0x%04x pressed\n",
+ type, code);
return;
}
- pr_debug("Key %x pressed\n", reported_key);
+ pr_debug("Key with type 0x%04x and code 0x%04x pressed\n", type, code);
/* Don't report brightness notifications that will also come via ACPI */
if ((key->keycode == KEY_BRIGHTNESSUP ||
acpi_video_handles_brightness_key_presses())
return;
- if (reported_key == 0xe025 && !wmi_requires_smbios_request)
+ if (type == 0x0000 && code == 0xe025 && !wmi_requires_smbios_request)
return;
sparse_keymap_report_entry(dell_wmi_input_dev, key, 1, true);
buffer_entry = (u16 *)obj->buffer.pointer;
buffer_size = obj->buffer.length/2;
-
- if (!dell_new_hk_type) {
- if (buffer_size >= 3 && buffer_entry[1] == 0x0)
- dell_wmi_process_key(buffer_entry[2]);
- else if (buffer_size >= 2)
- dell_wmi_process_key(buffer_entry[1]);
- else
- pr_info("Received unknown WMI event\n");
- kfree(obj);
- return;
- }
-
buffer_end = buffer_entry + buffer_size;
/*
pr_debug("Process buffer (%*ph)\n", len*2, buffer_entry);
switch (buffer_entry[1]) {
- case 0x00:
- for (i = 2; i < len; ++i) {
- switch (buffer_entry[i]) {
- case 0xe043:
- /* NIC Link is Up */
- pr_debug("NIC Link is Up\n");
- break;
- case 0xe044:
- /* NIC Link is Down */
- pr_debug("NIC Link is Down\n");
- break;
- case 0xe045:
- /* Unknown event but defined in DSDT */
- default:
- /* Unknown event */
- pr_info("Unknown WMI event type 0x00: "
- "0x%x\n", (int)buffer_entry[i]);
- break;
- }
- }
+ case 0x0000: /* One key pressed or event occurred */
+ if (len > 2)
+ dell_wmi_process_key(0x0000, buffer_entry[2]);
+ /* Other entries could contain additional information */
break;
- case 0x10:
- /* Keys pressed */
+ case 0x0010: /* Sequence of keys pressed */
+ case 0x0011: /* Sequence of events occurred */
for (i = 2; i < len; ++i)
- dell_wmi_process_key(buffer_entry[i]);
- break;
- case 0x11:
- for (i = 2; i < len; ++i) {
- switch (buffer_entry[i]) {
- case 0xfff0:
- /* Battery unplugged */
- pr_debug("Battery unplugged\n");
- break;
- case 0xfff1:
- /* Battery inserted */
- pr_debug("Battery inserted\n");
- break;
- case 0x01e1:
- case 0x02ea:
- case 0x02eb:
- case 0x02ec:
- case 0x02f6:
- /* Keyboard backlight level changed */
- pr_debug("Keyboard backlight level "
- "changed\n");
- break;
- default:
- /* Unknown event */
- pr_info("Unknown WMI event type 0x11: "
- "0x%x\n", (int)buffer_entry[i]);
- break;
- }
- }
+ dell_wmi_process_key(buffer_entry[1],
+ buffer_entry[i]);
break;
- default:
- /* Unknown event */
+ default: /* Unknown event */
pr_info("Unknown WMI event type 0x%x\n",
(int)buffer_entry[1]);
break;
}
static void __init handle_dmi_entry(const struct dmi_header *dm,
-
void *opaque)
{
struct dell_bios_hotkey_table *table;
int hotkey_num, i, pos = 0;
struct key_entry *keymap;
- int num_bios_keys;
if (results->err || results->keymap)
return; /* We already found the hotkey table. */
return;
}
- keymap = kcalloc(hotkey_num + ARRAY_SIZE(dell_wmi_extra_keymap) + 1,
- sizeof(struct key_entry), GFP_KERNEL);
+ keymap = kcalloc(hotkey_num, sizeof(struct key_entry), GFP_KERNEL);
if (!keymap) {
results->err = -ENOMEM;
return;
pos++;
}
- num_bios_keys = pos;
-
- for (i = 0; i < ARRAY_SIZE(dell_wmi_extra_keymap); i++) {
- const struct key_entry *entry = &dell_wmi_extra_keymap[i];
-
- /*
- * Check if we've already found this scancode. This takes
- * quadratic time, but it doesn't matter unless the list
- * of extra keys gets very long.
- */
- if (!have_scancode(entry->code, keymap, num_bios_keys)) {
- keymap[pos] = *entry;
- pos++;
- }
- }
-
- keymap[pos].type = KE_END;
-
results->keymap = keymap;
+ results->keymap_size = pos;
}
static int __init dell_wmi_input_setup(void)
{
struct dell_dmi_results dmi_results = {};
- int err;
+ struct key_entry *keymap;
+ int err, i, pos = 0;
dell_wmi_input_dev = input_allocate_device();
if (!dell_wmi_input_dev)
goto err_free_dev;
}
- if (dmi_results.keymap) {
- dell_new_hk_type = true;
+ keymap = kcalloc(dmi_results.keymap_size +
+ ARRAY_SIZE(dell_wmi_keymap_type_0000) +
+ ARRAY_SIZE(dell_wmi_keymap_type_0010) +
+ ARRAY_SIZE(dell_wmi_keymap_type_0011) +
+ 1,
+ sizeof(struct key_entry), GFP_KERNEL);
+ if (!keymap) {
+ kfree(dmi_results.keymap);
+ err = -ENOMEM;
+ goto err_free_dev;
+ }
- err = sparse_keymap_setup(dell_wmi_input_dev,
- dmi_results.keymap, NULL);
+ /* Append table with events of type 0x0010 which comes from DMI */
+ for (i = 0; i < dmi_results.keymap_size; i++) {
+ keymap[pos] = dmi_results.keymap[i];
+ keymap[pos].code |= (0x0010 << 16);
+ pos++;
+ }
+
+ kfree(dmi_results.keymap);
+
+ /* Append table with extra events of type 0x0010 which are not in DMI */
+ for (i = 0; i < ARRAY_SIZE(dell_wmi_keymap_type_0010); i++) {
+ const struct key_entry *entry = &dell_wmi_keymap_type_0010[i];
/*
- * Sparse keymap library makes a copy of keymap so we
- * don't need the original one that was allocated.
+ * Check if we've already found this scancode. This takes
+ * quadratic time, but it doesn't matter unless the list
+ * of extra keys gets very long.
*/
- kfree(dmi_results.keymap);
- } else {
- err = sparse_keymap_setup(dell_wmi_input_dev,
- dell_wmi_legacy_keymap, NULL);
+ if (dmi_results.keymap_size &&
+ have_scancode(entry->code | (0x0010 << 16),
+ keymap, dmi_results.keymap_size)
+ )
+ continue;
+
+ keymap[pos] = *entry;
+ keymap[pos].code |= (0x0010 << 16);
+ pos++;
+ }
+
+ /* Append table with events of type 0x0011 */
+ for (i = 0; i < ARRAY_SIZE(dell_wmi_keymap_type_0011); i++) {
+ keymap[pos] = dell_wmi_keymap_type_0011[i];
+ keymap[pos].code |= (0x0011 << 16);
+ pos++;
}
+
+ /*
+ * Now append also table with "legacy" events of type 0x0000. Some of
+ * them are reported also on laptops which have scancodes in DMI.
+ */
+ for (i = 0; i < ARRAY_SIZE(dell_wmi_keymap_type_0000); i++) {
+ keymap[pos] = dell_wmi_keymap_type_0000[i];
+ pos++;
+ }
+
+ keymap[pos].type = KE_END;
+
+ err = sparse_keymap_setup(dell_wmi_input_dev, keymap, NULL);
+ /*
+ * Sparse keymap library makes a copy of keymap so we don't need the
+ * original one that was allocated.
+ */
+ kfree(keymap);
if (err)
goto err_free_dev;
projects / GitHub / moto-9609 / android_kernel_motorola_exynos9610.git / commitdiff