#include <linux/device.h>
#include "rc-core-priv.h"
-#define IRRCV_NUM_DEVICES 256
-
-/* bit array to represent IR sysfs device number */
-static unsigned long ir_core_dev_number;
-
/* Sizes are in bytes, 256 bytes allows for 32 entries on x64 */
#define IR_TAB_MIN_SIZE 256
#define IR_TAB_MAX_SIZE 8192
static LIST_HEAD(rc_map_list);
static DEFINE_SPINLOCK(rc_map_lock);
-/* Forward declarations */
-static int ir_register_class(struct input_dev *input_dev);
-static void ir_unregister_class(struct input_dev *input_dev);
-static int ir_register_input(struct input_dev *input_dev);
-
-
static struct rc_keymap *seek_rc_map(const char *name)
{
struct rc_keymap *map = NULL;
* @return: zero on success or a negative error code
*
* This routine will initialize the ir_scancode_table and will allocate
- * memory to hold at least the specified number elements.
+ * memory to hold at least the specified number of elements.
*/
static int ir_create_table(struct ir_scancode_table *rc_tab,
const char *name, u64 ir_type, size_t size)
/**
* ir_update_mapping() - set a keycode in the scancode->keycode table
- * @dev: the struct input_dev device descriptor
+ * @dev: the struct rc_dev device descriptor
* @rc_tab: scancode table to be adjusted
* @index: index of the mapping that needs to be updated
* @keycode: the desired keycode
* @return: previous keycode assigned to the mapping
*
- * This routine is used to update scancode->keycopde mapping at given
+ * This routine is used to update scancode->keycode mapping at given
* position.
*/
-static unsigned int ir_update_mapping(struct input_dev *dev,
+static unsigned int ir_update_mapping(struct rc_dev *dev,
struct ir_scancode_table *rc_tab,
unsigned int index,
unsigned int new_keycode)
old_keycode == KEY_RESERVED ? "New" : "Replacing",
rc_tab->scan[index].scancode, new_keycode);
rc_tab->scan[index].keycode = new_keycode;
- __set_bit(new_keycode, dev->keybit);
+ __set_bit(new_keycode, dev->input_dev->keybit);
}
if (old_keycode != KEY_RESERVED) {
/* A previous mapping was updated... */
- __clear_bit(old_keycode, dev->keybit);
+ __clear_bit(old_keycode, dev->input_dev->keybit);
/* ... but another scancode might use the same keycode */
for (i = 0; i < rc_tab->len; i++) {
if (rc_tab->scan[i].keycode == old_keycode) {
- __set_bit(old_keycode, dev->keybit);
+ __set_bit(old_keycode, dev->input_dev->keybit);
break;
}
}
/**
* ir_establish_scancode() - set a keycode in the scancode->keycode table
- * @ir_dev: the struct ir_input_dev device descriptor
+ * @dev: the struct rc_dev device descriptor
* @rc_tab: scancode table to be searched
* @scancode: the desired scancode
* @resize: controls whether we allowed to resize the table to
* If scancode is not yet present the routine will allocate a new slot
* for it.
*/
-static unsigned int ir_establish_scancode(struct ir_input_dev *ir_dev,
+static unsigned int ir_establish_scancode(struct rc_dev *dev,
struct ir_scancode_table *rc_tab,
unsigned int scancode,
bool resize)
* all bits for the complete IR code. In general, they provide only
* the command part of the IR code. Yet, as it is possible to replace
* the provided IR with another one, it is needed to allow loading
- * IR tables from other remotes. So,
+ * IR tables from other remotes. So, we support specifying a mask to
+ * indicate the valid bits of the scancodes.
*/
- if (ir_dev->props && ir_dev->props->scanmask)
- scancode &= ir_dev->props->scanmask;
+ if (dev->scanmask)
+ scancode &= dev->scanmask;
/* First check if we already have a mapping for this ir command */
for (i = 0; i < rc_tab->len; i++) {
/**
* ir_setkeycode() - set a keycode in the scancode->keycode table
- * @dev: the struct input_dev device descriptor
+ * @idev: the struct input_dev device descriptor
* @scancode: the desired scancode
* @keycode: result
* @return: -EINVAL if the keycode could not be inserted, otherwise zero.
*
* This routine is used to handle evdev EVIOCSKEY ioctl.
*/
-static int ir_setkeycode(struct input_dev *dev,
+static int ir_setkeycode(struct input_dev *idev,
const struct input_keymap_entry *ke,
unsigned int *old_keycode)
{
- struct ir_input_dev *ir_dev = input_get_drvdata(dev);
- struct ir_scancode_table *rc_tab = &ir_dev->rc_tab;
+ struct rc_dev *rdev = input_get_drvdata(idev);
+ struct ir_scancode_table *rc_tab = &rdev->rc_tab;
unsigned int index;
unsigned int scancode;
int retval;
if (retval)
goto out;
- index = ir_establish_scancode(ir_dev, rc_tab, scancode, true);
+ index = ir_establish_scancode(rdev, rc_tab, scancode, true);
if (index >= rc_tab->len) {
retval = -ENOMEM;
goto out;
}
}
- *old_keycode = ir_update_mapping(dev, rc_tab, index, ke->keycode);
+ *old_keycode = ir_update_mapping(rdev, rc_tab, index, ke->keycode);
out:
spin_unlock_irqrestore(&rc_tab->lock, flags);
/**
* ir_setkeytable() - sets several entries in the scancode->keycode table
- * @dev: the struct input_dev device descriptor
+ * @dev: the struct rc_dev device descriptor
* @to: the struct ir_scancode_table to copy entries to
* @from: the struct ir_scancode_table to copy entries from
* @return: -ENOMEM if all keycodes could not be inserted, otherwise zero.
*
* This routine is used to handle table initialization.
*/
-static int ir_setkeytable(struct ir_input_dev *ir_dev,
+static int ir_setkeytable(struct rc_dev *dev,
const struct ir_scancode_table *from)
{
- struct ir_scancode_table *rc_tab = &ir_dev->rc_tab;
+ struct ir_scancode_table *rc_tab = &dev->rc_tab;
unsigned int i, index;
int rc;
- rc = ir_create_table(&ir_dev->rc_tab,
- from->name, from->ir_type, from->size);
+ rc = ir_create_table(rc_tab, from->name,
+ from->ir_type, from->size);
if (rc)
return rc;
rc_tab->size, rc_tab->alloc);
for (i = 0; i < from->size; i++) {
- index = ir_establish_scancode(ir_dev, rc_tab,
+ index = ir_establish_scancode(dev, rc_tab,
from->scan[i].scancode, false);
if (index >= rc_tab->len) {
rc = -ENOMEM;
break;
}
- ir_update_mapping(ir_dev->input_dev, rc_tab, index,
+ ir_update_mapping(dev, rc_tab, index,
from->scan[i].keycode);
}
/**
* ir_lookup_by_scancode() - locate mapping by scancode
- * @rc_tab: the &struct ir_scancode_table to search
+ * @rc_tab: the struct ir_scancode_table to search
* @scancode: scancode to look for in the table
* @return: index in the table, -1U if not found
*
/**
* ir_getkeycode() - get a keycode from the scancode->keycode table
- * @dev: the struct input_dev device descriptor
+ * @idev: the struct input_dev device descriptor
* @scancode: the desired scancode
* @keycode: used to return the keycode, if found, or KEY_RESERVED
* @return: always returns zero.
*
* This routine is used to handle evdev EVIOCGKEY ioctl.
*/
-static int ir_getkeycode(struct input_dev *dev,
+static int ir_getkeycode(struct input_dev *idev,
struct input_keymap_entry *ke)
{
- struct ir_input_dev *ir_dev = input_get_drvdata(dev);
- struct ir_scancode_table *rc_tab = &ir_dev->rc_tab;
+ struct rc_dev *rdev = input_get_drvdata(idev);
+ struct ir_scancode_table *rc_tab = &rdev->rc_tab;
struct ir_scancode *entry;
unsigned long flags;
unsigned int index;
/**
* ir_g_keycode_from_table() - gets the keycode that corresponds to a scancode
- * @input_dev: the struct input_dev descriptor of the device
- * @scancode: the scancode that we're seeking
+ * @dev: the struct rc_dev descriptor of the device
+ * @scancode: the scancode to look for
+ * @return: the corresponding keycode, or KEY_RESERVED
*
- * This routine is used by the input routines when a key is pressed at the
- * IR. The scancode is received and needs to be converted into a keycode.
- * If the key is not found, it returns KEY_RESERVED. Otherwise, returns the
- * corresponding keycode from the table.
+ * This routine is used by drivers which need to convert a scancode to a
+ * keycode. Normally it should not be used since drivers should have no
+ * interest in keycodes.
*/
-u32 ir_g_keycode_from_table(struct input_dev *dev, u32 scancode)
+u32 ir_g_keycode_from_table(struct rc_dev *dev, u32 scancode)
{
- struct ir_input_dev *ir_dev = input_get_drvdata(dev);
- struct ir_scancode_table *rc_tab = &ir_dev->rc_tab;
+ struct ir_scancode_table *rc_tab = &dev->rc_tab;
unsigned int keycode;
unsigned int index;
unsigned long flags;
if (keycode != KEY_RESERVED)
IR_dprintk(1, "%s: scancode 0x%04x keycode 0x%02x\n",
- dev->name, scancode, keycode);
+ dev->input_name, scancode, keycode);
return keycode;
}
/**
* ir_do_keyup() - internal function to signal the release of a keypress
- * @ir: the struct ir_input_dev descriptor of the device
+ * @dev: the struct rc_dev descriptor of the device
*
* This function is used internally to release a keypress, it must be
* called with keylock held.
*/
-static void ir_do_keyup(struct ir_input_dev *ir)
+static void ir_do_keyup(struct rc_dev *dev)
{
- if (!ir->keypressed)
+ if (!dev->keypressed)
return;
- IR_dprintk(1, "keyup key 0x%04x\n", ir->last_keycode);
- input_report_key(ir->input_dev, ir->last_keycode, 0);
- input_sync(ir->input_dev);
- ir->keypressed = false;
+ IR_dprintk(1, "keyup key 0x%04x\n", dev->last_keycode);
+ input_report_key(dev->input_dev, dev->last_keycode, 0);
+ input_sync(dev->input_dev);
+ dev->keypressed = false;
}
/**
- * ir_keyup() - generates input event to signal the release of a keypress
- * @dev: the struct input_dev descriptor of the device
+ * ir_keyup() - signals the release of a keypress
+ * @dev: the struct rc_dev descriptor of the device
*
* This routine is used to signal that a key has been released on the
* remote control.
*/
-void ir_keyup(struct input_dev *dev)
+void ir_keyup(struct rc_dev *dev)
{
unsigned long flags;
- struct ir_input_dev *ir = input_get_drvdata(dev);
- spin_lock_irqsave(&ir->keylock, flags);
- ir_do_keyup(ir);
- spin_unlock_irqrestore(&ir->keylock, flags);
+ spin_lock_irqsave(&dev->keylock, flags);
+ ir_do_keyup(dev);
+ spin_unlock_irqrestore(&dev->keylock, flags);
}
EXPORT_SYMBOL_GPL(ir_keyup);
/**
* ir_timer_keyup() - generates a keyup event after a timeout
- * @cookie: a pointer to struct ir_input_dev passed to setup_timer()
+ * @cookie: a pointer to the struct rc_dev for the device
*
* This routine will generate a keyup event some time after a keydown event
* is generated when no further activity has been detected.
*/
static void ir_timer_keyup(unsigned long cookie)
{
- struct ir_input_dev *ir = (struct ir_input_dev *)cookie;
+ struct rc_dev *dev = (struct rc_dev *)cookie;
unsigned long flags;
/*
* to allow the input subsystem to do its auto-repeat magic or
* a keyup event might follow immediately after the keydown.
*/
- spin_lock_irqsave(&ir->keylock, flags);
- if (time_is_before_eq_jiffies(ir->keyup_jiffies))
- ir_do_keyup(ir);
- spin_unlock_irqrestore(&ir->keylock, flags);
+ spin_lock_irqsave(&dev->keylock, flags);
+ if (time_is_before_eq_jiffies(dev->keyup_jiffies))
+ ir_do_keyup(dev);
+ spin_unlock_irqrestore(&dev->keylock, flags);
}
/**
- * ir_repeat() - notifies the IR core that a key is still pressed
- * @dev: the struct input_dev descriptor of the device
+ * ir_repeat() - signals that a key is still pressed
+ * @dev: the struct rc_dev descriptor of the device
*
* This routine is used by IR decoders when a repeat message which does
* not include the necessary bits to reproduce the scancode has been
* received.
*/
-void ir_repeat(struct input_dev *dev)
+void ir_repeat(struct rc_dev *dev)
{
unsigned long flags;
- struct ir_input_dev *ir = input_get_drvdata(dev);
- spin_lock_irqsave(&ir->keylock, flags);
+ spin_lock_irqsave(&dev->keylock, flags);
- input_event(dev, EV_MSC, MSC_SCAN, ir->last_scancode);
+ input_event(dev->input_dev, EV_MSC, MSC_SCAN, dev->last_scancode);
- if (!ir->keypressed)
+ if (!dev->keypressed)
goto out;
- ir->keyup_jiffies = jiffies + msecs_to_jiffies(IR_KEYPRESS_TIMEOUT);
- mod_timer(&ir->timer_keyup, ir->keyup_jiffies);
+ dev->keyup_jiffies = jiffies + msecs_to_jiffies(IR_KEYPRESS_TIMEOUT);
+ mod_timer(&dev->timer_keyup, dev->keyup_jiffies);
out:
- spin_unlock_irqrestore(&ir->keylock, flags);
+ spin_unlock_irqrestore(&dev->keylock, flags);
}
EXPORT_SYMBOL_GPL(ir_repeat);
/**
* ir_do_keydown() - internal function to process a keypress
- * @dev: the struct input_dev descriptor of the device
+ * @dev: the struct rc_dev descriptor of the device
* @scancode: the scancode of the keypress
* @keycode: the keycode of the keypress
* @toggle: the toggle value of the keypress
* This function is used internally to register a keypress, it must be
* called with keylock held.
*/
-static void ir_do_keydown(struct input_dev *dev, int scancode,
+static void ir_do_keydown(struct rc_dev *dev, int scancode,
u32 keycode, u8 toggle)
{
- struct ir_input_dev *ir = input_get_drvdata(dev);
-
- input_event(dev, EV_MSC, MSC_SCAN, scancode);
+ input_event(dev->input_dev, EV_MSC, MSC_SCAN, scancode);
/* Repeat event? */
- if (ir->keypressed &&
- ir->last_scancode == scancode &&
- ir->last_toggle == toggle)
+ if (dev->keypressed &&
+ dev->last_scancode == scancode &&
+ dev->last_toggle == toggle)
return;
/* Release old keypress */
- ir_do_keyup(ir);
+ ir_do_keyup(dev);
- ir->last_scancode = scancode;
- ir->last_toggle = toggle;
- ir->last_keycode = keycode;
+ dev->last_scancode = scancode;
+ dev->last_toggle = toggle;
+ dev->last_keycode = keycode;
if (keycode == KEY_RESERVED)
return;
/* Register a keypress */
- ir->keypressed = true;
+ dev->keypressed = true;
IR_dprintk(1, "%s: key down event, key 0x%04x, scancode 0x%04x\n",
- dev->name, keycode, scancode);
- input_report_key(dev, ir->last_keycode, 1);
- input_sync(dev);
+ dev->input_name, keycode, scancode);
+ input_report_key(dev->input_dev, dev->last_keycode, 1);
+ input_sync(dev->input_dev);
}
/**
* ir_keydown() - generates input event for a key press
- * @dev: the struct input_dev descriptor of the device
+ * @dev: the struct rc_dev descriptor of the device
* @scancode: the scancode that we're seeking
* @toggle: the toggle value (protocol dependent, if the protocol doesn't
* support toggle values, this should be set to zero)
*
- * This routine is used by the input routines when a key is pressed at the
- * IR. It gets the keycode for a scancode and reports an input event via
- * input_report_key().
+ * This routine is used to signal that a key has been pressed on the
+ * remote control.
*/
-void ir_keydown(struct input_dev *dev, int scancode, u8 toggle)
+void ir_keydown(struct rc_dev *dev, int scancode, u8 toggle)
{
unsigned long flags;
- struct ir_input_dev *ir = input_get_drvdata(dev);
u32 keycode = ir_g_keycode_from_table(dev, scancode);
- spin_lock_irqsave(&ir->keylock, flags);
+ spin_lock_irqsave(&dev->keylock, flags);
ir_do_keydown(dev, scancode, keycode, toggle);
- if (ir->keypressed) {
- ir->keyup_jiffies = jiffies + msecs_to_jiffies(IR_KEYPRESS_TIMEOUT);
- mod_timer(&ir->timer_keyup, ir->keyup_jiffies);
+ if (dev->keypressed) {
+ dev->keyup_jiffies = jiffies + msecs_to_jiffies(IR_KEYPRESS_TIMEOUT);
+ mod_timer(&dev->timer_keyup, dev->keyup_jiffies);
}
- spin_unlock_irqrestore(&ir->keylock, flags);
+ spin_unlock_irqrestore(&dev->keylock, flags);
}
EXPORT_SYMBOL_GPL(ir_keydown);
/**
* ir_keydown_notimeout() - generates input event for a key press without
* an automatic keyup event at a later time
- * @dev: the struct input_dev descriptor of the device
+ * @dev: the struct rc_dev descriptor of the device
* @scancode: the scancode that we're seeking
* @toggle: the toggle value (protocol dependent, if the protocol doesn't
* support toggle values, this should be set to zero)
*
- * This routine is used by the input routines when a key is pressed at the
- * IR. It gets the keycode for a scancode and reports an input event via
- * input_report_key(). The driver must manually call ir_keyup() at a later
- * stage.
+ * This routine is used to signal that a key has been pressed on the
+ * remote control. The driver must manually call ir_keyup() at a later stage.
*/
-void ir_keydown_notimeout(struct input_dev *dev, int scancode, u8 toggle)
+void ir_keydown_notimeout(struct rc_dev *dev, int scancode, u8 toggle)
{
unsigned long flags;
- struct ir_input_dev *ir = input_get_drvdata(dev);
u32 keycode = ir_g_keycode_from_table(dev, scancode);
- spin_lock_irqsave(&ir->keylock, flags);
+ spin_lock_irqsave(&dev->keylock, flags);
ir_do_keydown(dev, scancode, keycode, toggle);
- spin_unlock_irqrestore(&ir->keylock, flags);
+ spin_unlock_irqrestore(&dev->keylock, flags);
}
EXPORT_SYMBOL_GPL(ir_keydown_notimeout);
-static int ir_open(struct input_dev *input_dev)
-{
- struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
-
- return ir_dev->props->open(ir_dev->props->priv);
-}
-
-static void ir_close(struct input_dev *input_dev)
-{
- struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
-
- ir_dev->props->close(ir_dev->props->priv);
-}
-
-/**
- * __ir_input_register() - sets the IR keycode table and add the handlers
- * for keymap table get/set
- * @input_dev: the struct input_dev descriptor of the device
- * @rc_tab: the struct ir_scancode_table table of scancode/keymap
- *
- * This routine is used to initialize the input infrastructure
- * to work with an IR.
- * It will register the input/evdev interface for the device and
- * register the syfs code for IR class
- */
-int __ir_input_register(struct input_dev *input_dev,
- const struct ir_scancode_table *rc_tab,
- struct ir_dev_props *props,
- const char *driver_name)
+static int ir_open(struct input_dev *idev)
{
- struct ir_input_dev *ir_dev;
- int rc;
-
- if (rc_tab->scan == NULL || !rc_tab->size)
- return -EINVAL;
-
- ir_dev = kzalloc(sizeof(*ir_dev), GFP_KERNEL);
- if (!ir_dev)
- return -ENOMEM;
-
- ir_dev->driver_name = kasprintf(GFP_KERNEL, "%s", driver_name);
- if (!ir_dev->driver_name) {
- rc = -ENOMEM;
- goto out_dev;
- }
-
- input_dev->getkeycode_new = ir_getkeycode;
- input_dev->setkeycode_new = ir_setkeycode;
- input_set_drvdata(input_dev, ir_dev);
- ir_dev->input_dev = input_dev;
-
- spin_lock_init(&ir_dev->rc_tab.lock);
- spin_lock_init(&ir_dev->keylock);
- setup_timer(&ir_dev->timer_keyup, ir_timer_keyup, (unsigned long)ir_dev);
-
- if (props) {
- ir_dev->props = props;
- if (props->open)
- input_dev->open = ir_open;
- if (props->close)
- input_dev->close = ir_close;
- }
-
- set_bit(EV_KEY, input_dev->evbit);
- set_bit(EV_REP, input_dev->evbit);
- set_bit(EV_MSC, input_dev->evbit);
- set_bit(MSC_SCAN, input_dev->mscbit);
-
- rc = ir_setkeytable(ir_dev, rc_tab);
- if (rc)
- goto out_name;
+ struct rc_dev *rdev = input_get_drvdata(idev);
- rc = ir_register_class(input_dev);
- if (rc < 0)
- goto out_table;
-
- if (ir_dev->props)
- if (ir_dev->props->driver_type == RC_DRIVER_IR_RAW) {
- rc = ir_raw_event_register(input_dev);
- if (rc < 0)
- goto out_event;
- }
-
- rc = ir_register_input(input_dev);
- if (rc < 0)
- goto out_event;
-
- IR_dprintk(1, "Registered input device on %s for %s remote%s.\n",
- driver_name, rc_tab->name,
- (ir_dev->props && ir_dev->props->driver_type == RC_DRIVER_IR_RAW) ?
- " in raw mode" : "");
-
- /*
- * Default delay of 250ms is too short for some protocols, expecially
- * since the timeout is currently set to 250ms. Increase it to 500ms,
- * to avoid wrong repetition of the keycodes.
- */
- input_dev->rep[REP_DELAY] = 500;
-
- return 0;
-
-out_event:
- ir_unregister_class(input_dev);
-out_table:
- ir_free_table(&ir_dev->rc_tab);
-out_name:
- kfree(ir_dev->driver_name);
-out_dev:
- kfree(ir_dev);
- return rc;
+ return rdev->open(rdev);
}
-EXPORT_SYMBOL_GPL(__ir_input_register);
-
-/**
- * ir_input_unregister() - unregisters IR and frees resources
- * @input_dev: the struct input_dev descriptor of the device
- * This routine is used to free memory and de-register interfaces.
- */
-void ir_input_unregister(struct input_dev *input_dev)
+static void ir_close(struct input_dev *idev)
{
- struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
-
- if (!ir_dev)
- return;
-
- IR_dprintk(1, "Freed keycode table\n");
+ struct rc_dev *rdev = input_get_drvdata(idev);
- del_timer_sync(&ir_dev->timer_keyup);
- if (ir_dev->props)
- if (ir_dev->props->driver_type == RC_DRIVER_IR_RAW)
- ir_raw_event_unregister(input_dev);
-
- ir_free_table(&ir_dev->rc_tab);
-
- ir_unregister_class(input_dev);
-
- kfree(ir_dev->driver_name);
- kfree(ir_dev);
+ rdev->close(rdev);
}
-EXPORT_SYMBOL_GPL(ir_input_unregister);
/* class for /sys/class/rc */
static char *ir_devnode(struct device *dev, mode_t *mode)
/**
* show_protocols() - shows the current IR protocol(s)
- * @d: the device descriptor
+ * @device: the device descriptor
* @mattr: the device attribute struct (unused)
* @buf: a pointer to the output buffer
*
* It returns the protocol names of supported protocols.
* Enabled protocols are printed in brackets.
*/
-static ssize_t show_protocols(struct device *d,
+static ssize_t show_protocols(struct device *device,
struct device_attribute *mattr, char *buf)
{
- struct ir_input_dev *ir_dev = dev_get_drvdata(d);
+ struct rc_dev *dev = to_rc_dev(device);
u64 allowed, enabled;
char *tmp = buf;
int i;
/* Device is being removed */
- if (!ir_dev)
+ if (!dev)
return -EINVAL;
- if (ir_dev->props && ir_dev->props->driver_type == RC_DRIVER_SCANCODE) {
- enabled = ir_dev->rc_tab.ir_type;
- allowed = ir_dev->props->allowed_protos;
- } else if (ir_dev->raw) {
- enabled = ir_dev->raw->enabled_protocols;
+ if (dev->driver_type == RC_DRIVER_SCANCODE) {
+ enabled = dev->rc_tab.ir_type;
+ allowed = dev->allowed_protos;
+ } else {
+ enabled = dev->raw->enabled_protocols;
allowed = ir_raw_get_allowed_protocols();
- } else
- return sprintf(tmp, "[builtin]\n");
+ }
IR_dprintk(1, "allowed - 0x%llx, enabled - 0x%llx\n",
(long long)allowed,
/**
* store_protocols() - changes the current IR protocol(s)
- * @d: the device descriptor
+ * @device: the device descriptor
* @mattr: the device attribute struct (unused)
* @buf: a pointer to the input buffer
* @len: length of the input buffer
*
- * This routine is a callback routine for changing the IR protocol type.
+ * This routine is for changing the IR protocol type.
* It is trigged by writing to /sys/class/rc/rc?/protocols.
* Writing "+proto" will add a protocol to the list of enabled protocols.
* Writing "-proto" will remove a protocol from the list of enabled protocols.
* Returns -EINVAL if an invalid protocol combination or unknown protocol name
* is used, otherwise @len.
*/
-static ssize_t store_protocols(struct device *d,
+static ssize_t store_protocols(struct device *device,
struct device_attribute *mattr,
const char *data,
size_t len)
{
- struct ir_input_dev *ir_dev = dev_get_drvdata(d);
+ struct rc_dev *dev = to_rc_dev(device);
bool enable, disable;
const char *tmp;
u64 type;
unsigned long flags;
/* Device is being removed */
- if (!ir_dev)
+ if (!dev)
return -EINVAL;
- if (ir_dev->props && ir_dev->props->driver_type == RC_DRIVER_SCANCODE)
- type = ir_dev->rc_tab.ir_type;
- else if (ir_dev->raw)
- type = ir_dev->raw->enabled_protocols;
+ if (dev->driver_type == RC_DRIVER_SCANCODE)
+ type = dev->rc_tab.ir_type;
+ else if (dev->raw)
+ type = dev->raw->enabled_protocols;
else {
IR_dprintk(1, "Protocol switching not supported\n");
return -EINVAL;
return -EINVAL;
}
- if (ir_dev->props && ir_dev->props->change_protocol) {
- rc = ir_dev->props->change_protocol(ir_dev->props->priv,
- type);
+ if (dev->change_protocol) {
+ rc = dev->change_protocol(dev, type);
if (rc < 0) {
IR_dprintk(1, "Error setting protocols to 0x%llx\n",
(long long)type);
}
}
- if (ir_dev->props && ir_dev->props->driver_type == RC_DRIVER_SCANCODE) {
- spin_lock_irqsave(&ir_dev->rc_tab.lock, flags);
- ir_dev->rc_tab.ir_type = type;
- spin_unlock_irqrestore(&ir_dev->rc_tab.lock, flags);
+ if (dev->driver_type == RC_DRIVER_SCANCODE) {
+ spin_lock_irqsave(&dev->rc_tab.lock, flags);
+ dev->rc_tab.ir_type = type;
+ spin_unlock_irqrestore(&dev->rc_tab.lock, flags);
} else {
- ir_dev->raw->enabled_protocols = type;
+ dev->raw->enabled_protocols = type;
}
IR_dprintk(1, "Current protocol(s): 0x%llx\n",
return len;
}
+static void rc_dev_release(struct device *device)
+{
+ struct rc_dev *dev = to_rc_dev(device);
+
+ kfree(dev);
+ module_put(THIS_MODULE);
+}
+
#define ADD_HOTPLUG_VAR(fmt, val...) \
do { \
int err = add_uevent_var(env, fmt, val); \
static int rc_dev_uevent(struct device *device, struct kobj_uevent_env *env)
{
- struct ir_input_dev *ir_dev = dev_get_drvdata(device);
+ struct rc_dev *dev = to_rc_dev(device);
- if (ir_dev->rc_tab.name)
- ADD_HOTPLUG_VAR("NAME=%s", ir_dev->rc_tab.name);
- if (ir_dev->driver_name)
- ADD_HOTPLUG_VAR("DRV_NAME=%s", ir_dev->driver_name);
+ if (dev->rc_tab.name)
+ ADD_HOTPLUG_VAR("NAME=%s", dev->rc_tab.name);
+ if (dev->driver_name)
+ ADD_HOTPLUG_VAR("DRV_NAME=%s", dev->driver_name);
return 0;
}
static struct device_type rc_dev_type = {
.groups = rc_dev_attr_groups,
+ .release = rc_dev_release,
.uevent = rc_dev_uevent,
};
-/**
- * ir_register_class() - creates the sysfs for /sys/class/rc/rc?
- * @input_dev: the struct input_dev descriptor of the device
- *
- * This routine is used to register the syfs code for IR class
- */
-static int ir_register_class(struct input_dev *input_dev)
+struct rc_dev *rc_allocate_device(void)
{
- struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
- int devno = find_first_zero_bit(&ir_core_dev_number,
- IRRCV_NUM_DEVICES);
-
- if (unlikely(devno < 0))
- return devno;
-
- ir_dev->dev.type = &rc_dev_type;
- ir_dev->devno = devno;
-
- ir_dev->dev.class = &ir_input_class;
- ir_dev->dev.parent = input_dev->dev.parent;
- input_dev->dev.parent = &ir_dev->dev;
- dev_set_name(&ir_dev->dev, "rc%d", devno);
- dev_set_drvdata(&ir_dev->dev, ir_dev);
- return device_register(&ir_dev->dev);
-};
+ struct rc_dev *dev;
-/**
- * ir_register_input - registers ir input device with input subsystem
- * @input_dev: the struct input_dev descriptor of the device
- */
+ dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+ if (!dev)
+ return NULL;
+
+ dev->input_dev = input_allocate_device();
+ if (!dev->input_dev) {
+ kfree(dev);
+ return NULL;
+ }
+
+ dev->input_dev->getkeycode_new = ir_getkeycode;
+ dev->input_dev->setkeycode_new = ir_setkeycode;
+ input_set_drvdata(dev->input_dev, dev);
+
+ spin_lock_init(&dev->rc_tab.lock);
+ spin_lock_init(&dev->keylock);
+ setup_timer(&dev->timer_keyup, ir_timer_keyup, (unsigned long)dev);
-static int ir_register_input(struct input_dev *input_dev)
+ dev->dev.type = &rc_dev_type;
+ dev->dev.class = &ir_input_class;
+ device_initialize(&dev->dev);
+
+ __module_get(THIS_MODULE);
+ return dev;
+}
+EXPORT_SYMBOL_GPL(rc_allocate_device);
+
+void rc_free_device(struct rc_dev *dev)
{
- struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
- int rc;
+ if (dev) {
+ input_free_device(dev->input_dev);
+ put_device(&dev->dev);
+ }
+}
+EXPORT_SYMBOL_GPL(rc_free_device);
+
+int rc_register_device(struct rc_dev *dev)
+{
+ static atomic_t devno = ATOMIC_INIT(0);
+ struct ir_scancode_table *rc_tab;
const char *path;
+ int rc;
+ if (!dev || !dev->map_name)
+ return -EINVAL;
- rc = input_register_device(input_dev);
- if (rc < 0) {
- device_del(&ir_dev->dev);
+ rc_tab = get_rc_map(dev->map_name);
+ if (!rc_tab)
+ rc_tab = get_rc_map(RC_MAP_EMPTY);
+ if (!rc_tab || !rc_tab->scan || rc_tab->size == 0)
+ return -EINVAL;
+
+ set_bit(EV_KEY, dev->input_dev->evbit);
+ set_bit(EV_REP, dev->input_dev->evbit);
+ set_bit(EV_MSC, dev->input_dev->evbit);
+ set_bit(MSC_SCAN, dev->input_dev->mscbit);
+ if (dev->open)
+ dev->input_dev->open = ir_open;
+ if (dev->close)
+ dev->input_dev->close = ir_close;
+
+ dev->devno = (unsigned long)(atomic_inc_return(&devno) - 1);
+ dev_set_name(&dev->dev, "rc%ld", dev->devno);
+ dev_set_drvdata(&dev->dev, dev);
+ rc = device_add(&dev->dev);
+ if (rc)
return rc;
- }
- __module_get(THIS_MODULE);
+ rc = ir_setkeytable(dev, rc_tab);
+ if (rc)
+ goto out_dev;
+
+ dev->input_dev->dev.parent = &dev->dev;
+ memcpy(&dev->input_dev->id, &dev->input_id, sizeof(dev->input_id));
+ dev->input_dev->phys = dev->input_phys;
+ dev->input_dev->name = dev->input_name;
+ rc = input_register_device(dev->input_dev);
+ if (rc)
+ goto out_table;
- path = kobject_get_path(&ir_dev->dev.kobj, GFP_KERNEL);
+ /*
+ * Default delay of 250ms is too short for some protocols, expecially
+ * since the timeout is currently set to 250ms. Increase it to 500ms,
+ * to avoid wrong repetition of the keycodes. Note that this must be
+ * set after the call to input_register_device().
+ */
+ dev->input_dev->rep[REP_DELAY] = 500;
+
+ path = kobject_get_path(&dev->dev.kobj, GFP_KERNEL);
printk(KERN_INFO "%s: %s as %s\n",
- dev_name(&ir_dev->dev),
- input_dev->name ? input_dev->name : "Unspecified device",
+ dev_name(&dev->dev),
+ dev->input_name ? dev->input_name : "Unspecified device",
path ? path : "N/A");
kfree(path);
- set_bit(ir_dev->devno, &ir_core_dev_number);
+ if (dev->driver_type == RC_DRIVER_IR_RAW) {
+ rc = ir_raw_event_register(dev);
+ if (rc < 0)
+ goto out_input;
+ }
+
+ if (dev->change_protocol) {
+ rc = dev->change_protocol(dev, rc_tab->ir_type);
+ if (rc < 0)
+ goto out_raw;
+ }
+
+ IR_dprintk(1, "Registered rc%ld (driver: %s, remote: %s, mode %s)\n",
+ dev->devno,
+ dev->driver_name ? dev->driver_name : "unknown",
+ rc_tab->name ? rc_tab->name : "unknown",
+ dev->driver_type == RC_DRIVER_IR_RAW ? "raw" : "cooked");
+
return 0;
+
+out_raw:
+ if (dev->driver_type == RC_DRIVER_IR_RAW)
+ ir_raw_event_unregister(dev);
+out_input:
+ input_unregister_device(dev->input_dev);
+ dev->input_dev = NULL;
+out_table:
+ ir_free_table(&dev->rc_tab);
+out_dev:
+ device_del(&dev->dev);
+ return rc;
}
+EXPORT_SYMBOL_GPL(rc_register_device);
-/**
- * ir_unregister_class() - removes the sysfs for sysfs for
- * /sys/class/rc/rc?
- * @input_dev: the struct input_dev descriptor of the device
- *
- * This routine is used to unregister the syfs code for IR class
- */
-static void ir_unregister_class(struct input_dev *input_dev)
+void rc_unregister_device(struct rc_dev *dev)
{
- struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
+ if (!dev)
+ return;
- input_set_drvdata(input_dev, NULL);
- clear_bit(ir_dev->devno, &ir_core_dev_number);
- input_unregister_device(input_dev);
- device_del(&ir_dev->dev);
+ del_timer_sync(&dev->timer_keyup);
- module_put(THIS_MODULE);
+ if (dev->driver_type == RC_DRIVER_IR_RAW)
+ ir_raw_event_unregister(dev);
+
+ input_unregister_device(dev->input_dev);
+ dev->input_dev = NULL;
+
+ ir_free_table(&dev->rc_tab);
+ IR_dprintk(1, "Freed keycode table\n");
+
+ device_unregister(&dev->dev);
}
+EXPORT_SYMBOL_GPL(rc_unregister_device);
/*
* Init/exit code for the module. Basically, creates/removes /sys/class/rc
projects / linux-2.6-block.git / blobdiff