static void g15_led_bl_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
struct device *dev;
struct hid_device *hdev;
struct g15_data *g15data;
/* Get the device associated with the led */
dev = led_cdev->dev->parent;
/* Get the hid associated with the device */
hdev = container_of(dev, struct hid_device, dev);
/* Get the underlying data value */
g15data = hid_get_g15data(hdev);
if (led_cdev == g15data->led_cdev[G15_LED_BL_KEYS]) {
if (value > 2)
value = 2;
g15data->keys_bl = value;
g15_msg_send(hdev, 0x01, g15data->keys_bl, 0);
} else if (led_cdev == g15data->led_cdev[G15_LED_BL_SCREEN]) {
if (value > 2)
value = 2;
g15data->screen_bl = value<<4;
g15_msg_send(hdev, 0x02, g15data->screen_bl, 0);
} else if (led_cdev == g15data->led_cdev[G15_LED_BL_CONTRAST]) {
if (value > 63)
value = 63;
g15data->screen_contrast = value;
g15_msg_send(hdev, 32, 129, g15data->screen_contrast);
} else
dev_info(dev, G15_NAME " error retrieving LED brightness\n");
}
static enum led_brightness g15_led_bl_get(struct led_classdev *led_cdev)
{
struct device *dev;
struct hid_device *hdev;
struct g15_data *g15data;
/* Get the device associated with the led */
dev = led_cdev->dev->parent;
/* Get the hid associated with the device */
hdev = container_of(dev, struct hid_device, dev);
/* Get the underlying data value */
g15data = hid_get_g15data(hdev);
if (led_cdev == g15data->led_cdev[G15_LED_BL_KEYS])
return g15data->keys_bl;
else if (led_cdev == g15data->led_cdev[G15_LED_BL_SCREEN])
return g15data->screen_bl;
else if (led_cdev == g15data->led_cdev[G15_LED_BL_CONTRAST])
return g15data->screen_contrast;
else
dev_info(dev, G15_NAME " error retrieving LED brightness\n");
return LED_OFF;
}
static void g15_led_set(struct led_classdev *led_cdev,
enum led_brightness value,
int led_num)
{
struct device *dev;
struct hid_device *hdev;
struct g15_data *g15data;
u8 mask;
/* Get the device associated with the led */
dev = led_cdev->dev->parent;
/* Get the hid associated with the device */
hdev = container_of(dev, struct hid_device, dev);
/* Get the underlying data value */
g15data = hid_get_g15data(hdev);
mask = 0x01<<led_num;
if (value)
g15data->led |= mask;
else
g15data->led &= ~mask;
g15_msg_send(hdev, 0x04, ~(g15data->led), 0);
}
static enum led_brightness g15_led_brightness_get(struct led_classdev *led_cdev)
{
struct device *dev;
struct hid_device *hdev;
struct g15_data *g15data;
int value = 0;
/* Get the device associated with the led */
dev = led_cdev->dev->parent;
/* Get the hid associated with the device */
hdev = container_of(dev, struct hid_device, dev);
/* Get the underlying data value */
g15data = hid_get_g15data(hdev);
if (led_cdev == g15data->led_cdev[G15_LED_M1])
value = g15data->led & 0x01;
else if (led_cdev == g15data->led_cdev[G15_LED_M2])
value = g15data->led & 0x02;
else if (led_cdev == g15data->led_cdev[G15_LED_M3])
value = g15data->led & 0x04;
else if (led_cdev == g15data->led_cdev[G15_LED_MR])
value = g15data->led & 0x08;
else
dev_info(dev, G15_NAME " error retrieving LED brightness\n");
if (value)
return LED_FULL;
return LED_OFF;
}
static void g15v2_led_bl_send(struct hid_device *hdev)
{
struct g15v2_data *g15data = hid_get_g15data(hdev);
g15v2_led_send(hdev, 0x01, g15data->backlight, 0);
g15v2_led_send(hdev, 0x02, g15data->screen_bl, 0);
g15v2_led_send(hdev, 0x20, 0x81, g15data->screen_contrast);
}
static void g15_msg_send(struct hid_device *hdev, u8 msg, u8 value1, u8 value2)
{
struct g15_data *g15data = hid_get_g15data(hdev);
g15data->led_report->field[0]->value[0] = msg;
g15data->led_report->field[0]->value[1] = value1;
g15data->led_report->field[0]->value[2] = value2;
usbhid_submit_report(hdev, g15data->led_report, USB_DIR_OUT);
}
static void
g15v2_led_send(struct hid_device *hdev, u8 msg, u8 value1, u8 value2)
{
struct g15v2_data *g15data = hid_get_g15data(hdev);
g15data->led_report->field[0]->value[0] = msg;
g15data->led_report->field[0]->value[1] = value1;
g15data->led_report->field[0]->value[2] = value2;
hid_hw_request(hdev, g15data->led_report, HID_REQ_SET_REPORT);
}
static ssize_t g15_set_keymap_switching(struct hid_device *hdev, unsigned k)
{
struct g15_data *data = hid_get_g15data(hdev);
data->keymap_switching = k;
if (data->keymap_switching) {
data->led = 1 << data->curkeymap;
g15_msg_send(hdev, 4, ~data->led, 0);
}
return 0;
}
static ssize_t g15_set_keymap_index(struct hid_device *hdev, unsigned k)
{
int scancode;
int offset_old;
int offset_new;
int keycode_old;
int keycode_new;
struct g15_data *data = hid_get_g15data(hdev);
struct input_dev *idev = data->input_dev;
if (k > 2)
return -EINVAL;
/*
* Release all the pressed keys unless the new keymap has the same key
* in the same scancode position.
*
* Also, clear the scancode state unless the new keymap has the same
* key in the same scancode position.
*
* This allows a keycode mapped to the same scancode in two different
* keymaps to remain pressed without a key up code when the keymap is
* switched.
*/
offset_old = G15_KEYS * data->curkeymap;
offset_new = G15_KEYS * k;
for (scancode = 0; scancode < G15_KEYS; scancode++) {
keycode_old = data->keycode[offset_old+scancode];
keycode_new = data->keycode[offset_new+scancode];
if (keycode_old != keycode_new) {
if (keycode_old != KEY_RESERVED)
input_report_key(idev, keycode_old, 0);
data->scancode_state[scancode] = 0;
}
}
data->curkeymap = k;
if (data->keymap_switching) {
data->led = 1 << k;
g15_msg_send(hdev, 4, ~data->led, 0);
}
return 0;
}
static void g15_feature_report_4_send(struct hid_device *hdev, int which)
{
struct g15_data *g15data = hid_get_g15data(hdev);
if (which == G15_REPORT_4_INIT) {
g15data->feature_report_4->field[0]->value[0] = 0x02;
g15data->feature_report_4->field[0]->value[1] = 0x00;
g15data->feature_report_4->field[0]->value[2] = 0x00;
g15data->feature_report_4->field[0]->value[3] = 0x00;
} else if (which == G15_REPORT_4_FINALIZE) {
g15data->feature_report_4->field[0]->value[0] = 0x02;
g15data->feature_report_4->field[0]->value[1] = 0x80;
g15data->feature_report_4->field[0]->value[2] = 0x00;
g15data->feature_report_4->field[0]->value[3] = 0xFF;
} else {
return;
}
usbhid_submit_report(hdev, g15data->feature_report_4, USB_DIR_OUT);
}
static void g15v2_feature_report_4_send(struct hid_device *hdev, int which)
{
struct g15v2_data *gdata = hid_get_g15data(hdev);
if (which == G15V2_REPORT_4_INIT) {
gdata->feature_report_4->field[0]->value[0] = 0x02;
gdata->feature_report_4->field[0]->value[1] = 0x00;
gdata->feature_report_4->field[0]->value[2] = 0x00;
gdata->feature_report_4->field[0]->value[3] = 0x00;
} else if (which == G15V2_REPORT_4_FINALIZE) {
gdata->feature_report_4->field[0]->value[0] = 0x02;
gdata->feature_report_4->field[0]->value[1] = 0x80;
gdata->feature_report_4->field[0]->value[2] = 0x00;
gdata->feature_report_4->field[0]->value[3] = 0xFF;
} else {
return;
}
hid_hw_request(hdev, gdata->feature_report_4, HID_REQ_SET_REPORT);
}
static void g15v2_led_mbtns_send(struct hid_device *hdev)
{
struct g15v2_data *g15data = hid_get_g15data(hdev);
g15v2_led_send(hdev, 0x04, ~(g15data->led_mbtns), 0);
}
static ssize_t g15_keymap_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct hid_device *hdev;
int scanned;
int consumed;
int scancd;
int keycd;
int error;
int set = 0;
int gkey;
int index;
int good;
struct g15_data *data;
/* Get the hid associated with the device */
hdev = container_of(dev, struct hid_device, dev);
/* If we have an invalid pointer we'll return ENODATA */
if (hdev == NULL || &(hdev->dev) != dev)
return -ENODATA;
/* Now, let's get the data structure */
data = hid_get_g15data(hdev);
do {
good = 0;
/* Look for scancode keycode pair in hex */
scanned = sscanf(buf, "%x %x%n", &scancd, &keycd, &consumed);
if (scanned == 2) {
buf += consumed;
error = g15_input_setkeycode(data->input_dev, scancd, keycd);
if (error)
goto err_input_setkeycode;
set++;
good = 1;
} else {
/*
* Look for Gkey keycode pair and assign to current
* keymap
*/
scanned = sscanf(buf, "G%d %x%n", &gkey, &keycd, &consumed);
if (scanned == 2 && gkey > 0 && gkey <= G15_KEYS) {
buf += consumed;
scancd = data->curkeymap * G15_KEYS + gkey - 1;
error = g15_input_setkeycode(data->input_dev, scancd, keycd);
if (error)
goto err_input_setkeycode;
set++;
good = 1;
} else {
/*
* Look for Gkey-index keycode pair and assign
* to indexed keymap
*/
scanned = sscanf(buf, "G%d-%d %x%n", &gkey, &index, &keycd, &consumed);
if (scanned == 3 &&
gkey > 0 && gkey <= G15_KEYS &&
index >= 0 && index <= 2) {
buf += consumed;
scancd = index * G15_KEYS + gkey - 1;
error = g15_input_setkeycode(data->input_dev, scancd, keycd);
if (error)
goto err_input_setkeycode;
set++;
good = 1;
}
}
}
} while (good);
if (set == 0) {
dev_warn(dev, G15_NAME " unrecognized keycode input: %s", buf);
return -1;
}
return count;
err_input_setkeycode:
dev_warn(dev, G15_NAME " error setting scancode %d to keycode %d\n",
scancd, keycd);
return error;
}
static int g15_input_get_keycode(struct input_dev * dev,
unsigned int scancode,
unsigned int * keycode)
{
int retval;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)
struct input_keymap_entry ke = {
.flags = 0,
.len = sizeof(scancode),
.index = scancode,
.scancode = { scancode },
};
retval = input_get_keycode(dev, &ke);
*keycode = ke.keycode;
#else
retval = input_get_keycode(dev, scancode, keycode);
#endif
return retval;
}
static void g15_msg_send(struct hid_device *hdev, u8 msg, u8 value1, u8 value2)
{
struct g15_data *data = hid_get_g15data(hdev);
data->led_report->field[0]->value[0] = msg;
data->led_report->field[0]->value[1] = value1;
data->led_report->field[0]->value[2] = value2;
usbhid_submit_report(hdev, data->led_report, USB_DIR_OUT);
}
static void g15_led_set(struct led_classdev *led_cdev,
enum led_brightness value,
int led_num)
{
struct device *dev;
struct hid_device *hdev;
struct g15_data *data;
u8 mask;
/* Get the device associated with the led */
dev = led_cdev->dev->parent;
/* Get the hid associated with the device */
hdev = container_of(dev, struct hid_device, dev);
/* Get the underlying data value */
data = hid_get_g15data(hdev);
mask = 0x01<<led_num;
if (value)
data->led |= mask;
else
data->led &= ~mask;
g15_msg_send(hdev, 0x04, ~(data->led), 0);
}
static void g15_led_m1_brightness_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
g15_led_set(led_cdev, value, G15_LED_M1);
}
