*/
#include <linux/usb/input.h>
+#include <linux/slab.h>
#define DRIVER_DESC "ATI/Philips USB RF remote driver"
#define DRIVER_VERSION "0.3"
* newly configured "channel".
*/
-static unsigned int channel_mask = 0xFFFF;
-module_param(channel_mask, uint, 0644);
+enum {
+ ATI_REMOTE2_MAX_CHANNEL_MASK = 0xFFFF,
+ ATI_REMOTE2_MAX_MODE_MASK = 0x1F,
+};
+
+static int ati_remote2_set_mask(const char *val,
+ struct kernel_param *kp, unsigned int max)
+{
+ unsigned long mask;
+ int ret;
+
+ if (!val)
+ return -EINVAL;
+
+ ret = strict_strtoul(val, 0, &mask);
+ if (ret)
+ return ret;
+
+ if (mask & ~max)
+ return -EINVAL;
+
+ *(unsigned int *)kp->arg = mask;
+
+ return 0;
+}
+
+static int ati_remote2_set_channel_mask(const char *val,
+ struct kernel_param *kp)
+{
+ pr_debug("%s()\n", __func__);
+
+ return ati_remote2_set_mask(val, kp, ATI_REMOTE2_MAX_CHANNEL_MASK);
+}
+
+static int ati_remote2_get_channel_mask(char *buffer, struct kernel_param *kp)
+{
+ pr_debug("%s()\n", __func__);
+
+ return sprintf(buffer, "0x%04x", *(unsigned int *)kp->arg);
+}
+
+static int ati_remote2_set_mode_mask(const char *val, struct kernel_param *kp)
+{
+ pr_debug("%s()\n", __func__);
+
+ return ati_remote2_set_mask(val, kp, ATI_REMOTE2_MAX_MODE_MASK);
+}
+
+static int ati_remote2_get_mode_mask(char *buffer, struct kernel_param *kp)
+{
+ pr_debug("%s()\n", __func__);
+
+ return sprintf(buffer, "0x%02x", *(unsigned int *)kp->arg);
+}
+
+static unsigned int channel_mask = ATI_REMOTE2_MAX_CHANNEL_MASK;
+#define param_check_channel_mask(name, p) __param_check(name, p, unsigned int)
+#define param_set_channel_mask ati_remote2_set_channel_mask
+#define param_get_channel_mask ati_remote2_get_channel_mask
+module_param(channel_mask, channel_mask, 0644);
MODULE_PARM_DESC(channel_mask, "Bitmask of channels to accept <15:Channel16>...<1:Channel2><0:Channel1>");
-static unsigned int mode_mask = 0x1F;
-module_param(mode_mask, uint, 0644);
+static unsigned int mode_mask = ATI_REMOTE2_MAX_MODE_MASK;
+#define param_check_mode_mask(name, p) __param_check(name, p, unsigned int)
+#define param_set_mode_mask ati_remote2_set_mode_mask
+#define param_get_mode_mask ati_remote2_get_mode_mask
+module_param(mode_mask, mode_mask, 0644);
MODULE_PARM_DESC(mode_mask, "Bitmask of modes to accept <4:PC><3:AUX4><2:AUX3><1:AUX2><0:AUX1>");
static struct usb_device_id ati_remote2_id_table[] = {
u16 keycode[ATI_REMOTE2_MODES][ARRAY_SIZE(ati_remote2_key_table)];
unsigned int flags;
+
+ unsigned int channel_mask;
+ unsigned int mode_mask;
};
static int ati_remote2_probe(struct usb_interface *interface, const struct usb_device_id *id);
static void ati_remote2_disconnect(struct usb_interface *interface);
static int ati_remote2_suspend(struct usb_interface *interface, pm_message_t message);
static int ati_remote2_resume(struct usb_interface *interface);
+static int ati_remote2_reset_resume(struct usb_interface *interface);
+static int ati_remote2_pre_reset(struct usb_interface *interface);
+static int ati_remote2_post_reset(struct usb_interface *interface);
static struct usb_driver ati_remote2_driver = {
.name = "ati_remote2",
.id_table = ati_remote2_id_table,
.suspend = ati_remote2_suspend,
.resume = ati_remote2_resume,
+ .reset_resume = ati_remote2_reset_resume,
+ .pre_reset = ati_remote2_pre_reset,
+ .post_reset = ati_remote2_post_reset,
.supports_autosuspend = 1,
};
channel = data[0] >> 4;
- if (!((1 << channel) & channel_mask))
+ if (!((1 << channel) & ar2->channel_mask))
return;
mode = data[0] & 0x0F;
return;
}
- if (!((1 << mode) & mode_mask))
+ if (!((1 << mode) & ar2->mode_mask))
return;
input_event(idev, EV_REL, REL_X, (s8) data[1]);
channel = data[0] >> 4;
- if (!((1 << channel) & channel_mask))
+ if (!((1 << channel) & ar2->channel_mask))
return;
mode = data[0] & 0x0F;
ar2->mode = mode;
}
- if (!((1 << mode) & mode_mask))
+ if (!((1 << mode) & ar2->mode_mask))
return;
index = ati_remote2_lookup(hw_code);
}
static int ati_remote2_getkeycode(struct input_dev *idev,
- int scancode, int *keycode)
+ unsigned int scancode, unsigned int *keycode)
{
struct ati_remote2 *ar2 = input_get_drvdata(idev);
- int index, mode;
+ unsigned int mode;
+ int index;
mode = scancode >> 8;
- if (mode > ATI_REMOTE2_PC || !((1 << mode) & mode_mask))
+ if (mode > ATI_REMOTE2_PC || !((1 << mode) & ar2->mode_mask))
return -EINVAL;
index = ati_remote2_lookup(scancode & 0xFF);
return 0;
}
-static int ati_remote2_setkeycode(struct input_dev *idev, int scancode, int keycode)
+static int ati_remote2_setkeycode(struct input_dev *idev,
+ unsigned int scancode, unsigned int keycode)
{
struct ati_remote2 *ar2 = input_get_drvdata(idev);
- int index, mode, old_keycode;
+ unsigned int mode, old_keycode;
+ int index;
mode = scancode >> 8;
- if (mode > ATI_REMOTE2_PC || !((1 << mode) & mode_mask))
+ if (mode > ATI_REMOTE2_PC || !((1 << mode) & ar2->mode_mask))
return -EINVAL;
index = ati_remote2_lookup(scancode & 0xFF);
if (index < 0)
return -EINVAL;
- if (keycode < KEY_RESERVED || keycode > KEY_MAX)
- return -EINVAL;
-
old_keycode = ar2->keycode[mode][index];
ar2->keycode[mode][index] = keycode;
- set_bit(keycode, idev->keybit);
+ __set_bit(keycode, idev->keybit);
for (mode = 0; mode < ATI_REMOTE2_MODES; mode++) {
for (index = 0; index < ARRAY_SIZE(ati_remote2_key_table); index++) {
}
}
- clear_bit(old_keycode, idev->keybit);
+ __clear_bit(old_keycode, idev->keybit);
return 0;
}
for (mode = 0; mode < ATI_REMOTE2_MODES; mode++) {
for (index = 0; index < ARRAY_SIZE(ati_remote2_key_table); index++) {
ar2->keycode[mode][index] = ati_remote2_key_table[index].keycode;
- set_bit(ar2->keycode[mode][index], idev->keybit);
+ __set_bit(ar2->keycode[mode][index], idev->keybit);
}
}
ar2->keycode[ATI_REMOTE2_AUX3][index] = KEY_PROG3;
ar2->keycode[ATI_REMOTE2_AUX4][index] = KEY_PROG4;
ar2->keycode[ATI_REMOTE2_PC][index] = KEY_PC;
- set_bit(KEY_PROG1, idev->keybit);
- set_bit(KEY_PROG2, idev->keybit);
- set_bit(KEY_PROG3, idev->keybit);
- set_bit(KEY_PROG4, idev->keybit);
- set_bit(KEY_PC, idev->keybit);
+ __set_bit(KEY_PROG1, idev->keybit);
+ __set_bit(KEY_PROG2, idev->keybit);
+ __set_bit(KEY_PROG3, idev->keybit);
+ __set_bit(KEY_PROG4, idev->keybit);
+ __set_bit(KEY_PC, idev->keybit);
idev->rep[REP_DELAY] = 250;
idev->rep[REP_PERIOD] = 33;
int i, pipe, maxp;
for (i = 0; i < 2; i++) {
- ar2->buf[i] = usb_buffer_alloc(udev, 4, GFP_KERNEL, &ar2->buf_dma[i]);
+ ar2->buf[i] = usb_alloc_coherent(udev, 4, GFP_KERNEL, &ar2->buf_dma[i]);
if (!ar2->buf[i])
return -ENOMEM;
for (i = 0; i < 2; i++) {
usb_free_urb(ar2->urb[i]);
- usb_buffer_free(ar2->udev, 4, ar2->buf[i], ar2->buf_dma[i]);
+ usb_free_coherent(ar2->udev, 4, ar2->buf[i], ar2->buf_dma[i]);
}
}
-static int ati_remote2_setup(struct ati_remote2 *ar2)
+static int ati_remote2_setup(struct ati_remote2 *ar2, unsigned int ch_mask)
{
int r, i, channel;
channel = 0;
for (i = 0; i < 16; i++) {
- if ((1 << i) & channel_mask) {
- if (!(~(1 << i) & 0xFFFF & channel_mask))
+ if ((1 << i) & ch_mask) {
+ if (!(~(1 << i) & ch_mask))
channel = i + 1;
break;
}
return 0;
}
+static ssize_t ati_remote2_show_channel_mask(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct usb_device *udev = to_usb_device(dev);
+ struct usb_interface *intf = usb_ifnum_to_if(udev, 0);
+ struct ati_remote2 *ar2 = usb_get_intfdata(intf);
+
+ return sprintf(buf, "0x%04x\n", ar2->channel_mask);
+}
+
+static ssize_t ati_remote2_store_channel_mask(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct usb_device *udev = to_usb_device(dev);
+ struct usb_interface *intf = usb_ifnum_to_if(udev, 0);
+ struct ati_remote2 *ar2 = usb_get_intfdata(intf);
+ unsigned long mask;
+ int r;
+
+ if (strict_strtoul(buf, 0, &mask))
+ return -EINVAL;
+
+ if (mask & ~ATI_REMOTE2_MAX_CHANNEL_MASK)
+ return -EINVAL;
+
+ r = usb_autopm_get_interface(ar2->intf[0]);
+ if (r) {
+ dev_err(&ar2->intf[0]->dev,
+ "%s(): usb_autopm_get_interface() = %d\n", __func__, r);
+ return r;
+ }
+
+ mutex_lock(&ati_remote2_mutex);
+
+ if (mask != ar2->channel_mask && !ati_remote2_setup(ar2, mask))
+ ar2->channel_mask = mask;
+
+ mutex_unlock(&ati_remote2_mutex);
+
+ usb_autopm_put_interface(ar2->intf[0]);
+
+ return count;
+}
+
+static ssize_t ati_remote2_show_mode_mask(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct usb_device *udev = to_usb_device(dev);
+ struct usb_interface *intf = usb_ifnum_to_if(udev, 0);
+ struct ati_remote2 *ar2 = usb_get_intfdata(intf);
+
+ return sprintf(buf, "0x%02x\n", ar2->mode_mask);
+}
+
+static ssize_t ati_remote2_store_mode_mask(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct usb_device *udev = to_usb_device(dev);
+ struct usb_interface *intf = usb_ifnum_to_if(udev, 0);
+ struct ati_remote2 *ar2 = usb_get_intfdata(intf);
+ unsigned long mask;
+
+ if (strict_strtoul(buf, 0, &mask))
+ return -EINVAL;
+
+ if (mask & ~ATI_REMOTE2_MAX_MODE_MASK)
+ return -EINVAL;
+
+ ar2->mode_mask = mask;
+
+ return count;
+}
+
+static DEVICE_ATTR(channel_mask, 0644, ati_remote2_show_channel_mask,
+ ati_remote2_store_channel_mask);
+
+static DEVICE_ATTR(mode_mask, 0644, ati_remote2_show_mode_mask,
+ ati_remote2_store_mode_mask);
+
+static struct attribute *ati_remote2_attrs[] = {
+ &dev_attr_channel_mask.attr,
+ &dev_attr_mode_mask.attr,
+ NULL,
+};
+
+static struct attribute_group ati_remote2_attr_group = {
+ .attrs = ati_remote2_attrs,
+};
+
static int ati_remote2_probe(struct usb_interface *interface, const struct usb_device_id *id)
{
struct usb_device *udev = interface_to_usbdev(interface);
if (r)
goto fail2;
- r = ati_remote2_setup(ar2);
+ ar2->channel_mask = channel_mask;
+ ar2->mode_mask = mode_mask;
+
+ r = ati_remote2_setup(ar2, ar2->channel_mask);
if (r)
goto fail2;
strlcat(ar2->name, "ATI Remote Wonder II", sizeof(ar2->name));
- r = ati_remote2_input_init(ar2);
+ r = sysfs_create_group(&udev->dev.kobj, &ati_remote2_attr_group);
if (r)
goto fail2;
+ r = ati_remote2_input_init(ar2);
+ if (r)
+ goto fail3;
+
usb_set_intfdata(interface, ar2);
interface->needs_remote_wakeup = 1;
return 0;
+ fail3:
+ sysfs_remove_group(&udev->dev.kobj, &ati_remote2_attr_group);
fail2:
ati_remote2_urb_cleanup(ar2);
-
usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]);
fail1:
kfree(ar2);
input_unregister_device(ar2->idev);
+ sysfs_remove_group(&ar2->udev->dev.kobj, &ati_remote2_attr_group);
+
ati_remote2_urb_cleanup(ar2);
usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]);
return r;
}
+static int ati_remote2_reset_resume(struct usb_interface *interface)
+{
+ struct ati_remote2 *ar2;
+ struct usb_host_interface *alt = interface->cur_altsetting;
+ int r = 0;
+
+ if (alt->desc.bInterfaceNumber)
+ return 0;
+
+ ar2 = usb_get_intfdata(interface);
+
+ dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__);
+
+ mutex_lock(&ati_remote2_mutex);
+
+ r = ati_remote2_setup(ar2, ar2->channel_mask);
+ if (r)
+ goto out;
+
+ if (ar2->flags & ATI_REMOTE2_OPENED)
+ r = ati_remote2_submit_urbs(ar2);
+
+ if (!r)
+ ar2->flags &= ~ATI_REMOTE2_SUSPENDED;
+
+ out:
+ mutex_unlock(&ati_remote2_mutex);
+
+ return r;
+}
+
+static int ati_remote2_pre_reset(struct usb_interface *interface)
+{
+ struct ati_remote2 *ar2;
+ struct usb_host_interface *alt = interface->cur_altsetting;
+
+ if (alt->desc.bInterfaceNumber)
+ return 0;
+
+ ar2 = usb_get_intfdata(interface);
+
+ dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__);
+
+ mutex_lock(&ati_remote2_mutex);
+
+ if (ar2->flags == ATI_REMOTE2_OPENED)
+ ati_remote2_kill_urbs(ar2);
+
+ return 0;
+}
+
+static int ati_remote2_post_reset(struct usb_interface *interface)
+{
+ struct ati_remote2 *ar2;
+ struct usb_host_interface *alt = interface->cur_altsetting;
+ int r = 0;
+
+ if (alt->desc.bInterfaceNumber)
+ return 0;
+
+ ar2 = usb_get_intfdata(interface);
+
+ dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__);
+
+ if (ar2->flags == ATI_REMOTE2_OPENED)
+ r = ati_remote2_submit_urbs(ar2);
+
+ mutex_unlock(&ati_remote2_mutex);
+
+ return r;
+}
+
static int __init ati_remote2_init(void)
{
int r;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff