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Diffstat (limited to 'defer-input-nodes-and-led-support')
-rw-r--r--defer-input-nodes-and-led-support417
1 files changed, 417 insertions, 0 deletions
diff --git a/defer-input-nodes-and-led-support b/defer-input-nodes-and-led-support
new file mode 100644
index 00000000000000..f17bbfc6eab65f
--- /dev/null
+++ b/defer-input-nodes-and-led-support
@@ -0,0 +1,417 @@
+
+
+---
+ drivers/input/joystick/xpad.c | 273 ++++++++++++++++++++++++++++--------------
+ 1 file changed, 188 insertions(+), 85 deletions(-)
+
+--- a/drivers/input/joystick/xpad.c
++++ b/drivers/input/joystick/xpad.c
+@@ -281,17 +281,21 @@ struct usb_xpad {
+ struct urb *irq_out; /* urb for interrupt out report */
+ unsigned char *odata; /* output data */
+ dma_addr_t odata_dma;
+- struct mutex odata_mutex;
++ spinlock_t odata_lock;
+ #endif
+
+ #if defined(CONFIG_JOYSTICK_XPAD_LEDS)
+ struct xpad_led *led;
+ #endif
+
++ int joydev_id;
++
+ char phys[64]; /* physical device path */
+
+ int mapping; /* map d-pad to buttons or to axes */
+ int xtype; /* type of xbox device */
++
++ const char *name;
+ };
+
+ /*
+@@ -435,6 +439,109 @@ static void xpad360_process_packet(struc
+
+ input_sync(dev);
+ }
++static void xpad_send_led_command(struct usb_xpad *xpad, int command);
++static int xpad_open(struct input_dev *dev);
++static void xpad_close(struct input_dev *dev);
++static void xpad_set_up_abs(struct input_dev *input_dev, signed short abs);
++static int xpad_init_ff(struct usb_xpad *xpad);
++static int xpad_find_joydev(struct device *dev, void *data)
++{
++ if (strstr(dev_name(dev), "js"))
++ return 1;
++
++ return 0;
++}
++
++static struct workqueue_struct *my_wq;
++
++typedef struct {
++ struct work_struct my_work;
++ struct usb_xpad *xpad;
++} my_work_t;
++
++static void my_wq_function( struct work_struct *work)
++{
++ my_work_t *my_work = (my_work_t *)work;
++
++ struct usb_xpad *xpad = my_work->xpad;
++
++ if (xpad->pad_present) {
++
++ struct input_dev *input_dev;
++ int i;
++
++ input_dev = input_allocate_device();
++
++ xpad->dev = input_dev;
++ input_dev->name = xpad->name;
++ input_dev->phys = xpad->phys;
++ usb_to_input_id(xpad->udev, &input_dev->id);
++ input_dev->dev.parent = &xpad->intf->dev;
++
++ input_set_drvdata(input_dev, xpad);
++
++ input_dev->open = xpad_open;
++ input_dev->close = xpad_close;
++
++ input_dev->evbit[0] = BIT_MASK(EV_KEY);
++
++ if (!(xpad->mapping & MAP_STICKS_TO_NULL)) {
++ input_dev->evbit[0] |= BIT_MASK(EV_ABS);
++ /* set up axes */
++ for (i = 0; xpad_abs[i] >= 0; i++)
++ xpad_set_up_abs(input_dev, xpad_abs[i]);
++ }
++
++ /* set up standard buttons */
++ for (i = 0; xpad_common_btn[i] >= 0; i++)
++ __set_bit(xpad_common_btn[i], input_dev->keybit);
++
++ /* set up model-specific ones */
++ if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype == XTYPE_XBOX360W) {
++ for (i = 0; xpad360_btn[i] >= 0; i++)
++ __set_bit(xpad360_btn[i], input_dev->keybit);
++ } else {
++ for (i = 0; xpad_btn[i] >= 0; i++)
++ __set_bit(xpad_btn[i], input_dev->keybit);
++ }
++
++ if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
++ for (i = 0; xpad_btn_pad[i] >= 0; i++)
++ __set_bit(xpad_btn_pad[i], input_dev->keybit);
++ } else {
++ for (i = 0; xpad_abs_pad[i] >= 0; i++)
++ xpad_set_up_abs(input_dev, xpad_abs_pad[i]);
++ }
++
++ if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) {
++ for (i = 0; xpad_btn_triggers[i] >= 0; i++)
++ __set_bit(xpad_btn_triggers[i], input_dev->keybit);
++ } else {
++ for (i = 0; xpad_abs_triggers[i] >= 0; i++)
++ xpad_set_up_abs(input_dev, xpad_abs_triggers[i]);
++ }
++
++ input_register_device(xpad->dev);
++
++ {
++ struct device* joydev_dev = device_find_child(&xpad->dev->dev, NULL, xpad_find_joydev);
++
++ if (joydev_dev) {
++// printk("found joydev child with minor %i\n", MINOR(joydev_dev->devt));
++ xpad->joydev_id = MINOR(joydev_dev->devt);
++ xpad_send_led_command(xpad, (xpad->joydev_id % 4) + 2);
++ }
++ }
++
++ xpad_init_ff(xpad);
++ } else {
++ input_unregister_device(xpad->dev);
++ }
++
++ kfree( (void *)work );
++
++ return;
++}
+
+ /*
+ * xpad360w_process_packet
+@@ -456,12 +563,32 @@ static void xpad360w_process_packet(stru
+ /* Presence change */
+ if (data[0] & 0x08) {
+ if (data[1] & 0x80) {
+- xpad->pad_present = 1;
+- usb_submit_urb(xpad->bulk_out, GFP_ATOMIC);
+- } else
+- xpad->pad_present = 0;
++ if (!xpad->pad_present) {
++ my_work_t * work;
++ xpad->pad_present = 1;
++ usb_submit_urb(xpad->bulk_out, GFP_ATOMIC);
++
++ work = (my_work_t *)kmalloc(sizeof(my_work_t), GFP_ATOMIC);
++ INIT_WORK( (struct work_struct *)work, my_wq_function );
++ work->xpad = xpad;
++ queue_work( my_wq, (struct work_struct *)work );
++ }
++ } else {
++ if (xpad->pad_present) {
++ my_work_t * work;
++ xpad->pad_present = 0;
++
++ work = (my_work_t *)kmalloc(sizeof(my_work_t), GFP_ATOMIC);
++ INIT_WORK( (struct work_struct *)work, my_wq_function );
++ work->xpad = xpad;
++ queue_work( my_wq, (struct work_struct *)work );
++ }
++// printk("got kill packet for id %i\n", xpad->joydev_id);
++ }
+ }
+
++// printk("xpad packet %hhX %hhX %hhX %hhX %hhX %hhX\n", data[0], data[1], data[2], data[3], data[4], data[5]);
++
+ /* Valid pad data */
+ if (!(data[1] & 0x1))
+ return;
+@@ -584,8 +711,6 @@ static int xpad_init_output(struct usb_i
+ goto fail1;
+ }
+
+- mutex_init(&xpad->odata_mutex);
+-
+ xpad->irq_out = usb_alloc_urb(0, GFP_KERNEL);
+ if (!xpad->irq_out) {
+ error = -ENOMEM;
+@@ -717,7 +842,7 @@ static void xpad_send_led_command(struct
+ if (command > 15)
+ return;
+
+- mutex_lock(&xpad->odata_mutex);
++ spin_lock(&xpad->odata_lock);
+
+ switch (xpad->xtype) {
+ case XTYPE_XBOX360:
+@@ -744,7 +869,7 @@ static void xpad_send_led_command(struct
+ }
+
+ usb_submit_urb(xpad->irq_out, GFP_KERNEL);
+- mutex_unlock(&xpad->odata_mutex);
++ spin_unlock(&xpad->odata_lock);
+ }
+
+ static void xpad_led_set(struct led_classdev *led_cdev,
+@@ -787,11 +912,6 @@ static int xpad_led_probe(struct usb_xpa
+ return error;
+ }
+
+- /*
+- * Light up the segment corresponding to controller number
+- */
+- xpad_send_led_command(xpad, (led_no % 4) + 2);
+-
+ return 0;
+ }
+
+@@ -813,6 +933,7 @@ static void xpad_led_disconnect(struct u
+ static int xpad_open(struct input_dev *dev)
+ {
+ struct usb_xpad *xpad = input_get_drvdata(dev);
++// printk("xpad open driver data %x\n", (unsigned int)xpad);
+
+ /* URB was submitted in probe */
+ if (xpad->xtype == XTYPE_XBOX360W)
+@@ -861,9 +982,13 @@ static int xpad_probe(struct usb_interfa
+ {
+ struct usb_device *udev = interface_to_usbdev(intf);
+ struct usb_xpad *xpad;
+- struct input_dev *input_dev;
+ struct usb_endpoint_descriptor *ep_irq_in;
+ int i, error;
++// struct input_dev *input_dev;
++
++ if (!my_wq) {
++ my_wq = create_workqueue("xpad_queue");
++ }
+
+ for (i = 0; xpad_device[i].idVendor; i++) {
+ if ((le16_to_cpu(udev->descriptor.idVendor) == xpad_device[i].idVendor) &&
+@@ -872,11 +997,8 @@ static int xpad_probe(struct usb_interfa
+ }
+
+ xpad = kzalloc(sizeof(struct usb_xpad), GFP_KERNEL);
+- input_dev = input_allocate_device();
+- if (!xpad || !input_dev) {
+- error = -ENOMEM;
+- goto fail1;
+- }
++
++ xpad->name = xpad_device[i].name;
+
+ xpad->idata = usb_alloc_coherent(udev, XPAD_PKT_LEN,
+ GFP_KERNEL, &xpad->idata_dma);
+@@ -913,65 +1035,12 @@ static int xpad_probe(struct usb_interfa
+ xpad->mapping |= MAP_STICKS_TO_NULL;
+ }
+
+- xpad->dev = input_dev;
+- usb_make_path(udev, xpad->phys, sizeof(xpad->phys));
+- strlcat(xpad->phys, "/input0", sizeof(xpad->phys));
+-
+- input_dev->name = xpad_device[i].name;
+- input_dev->phys = xpad->phys;
+- usb_to_input_id(udev, &input_dev->id);
+- input_dev->dev.parent = &intf->dev;
+-
+- input_set_drvdata(input_dev, xpad);
+-
+- input_dev->open = xpad_open;
+- input_dev->close = xpad_close;
+-
+- input_dev->evbit[0] = BIT_MASK(EV_KEY);
+-
+- if (!(xpad->mapping & MAP_STICKS_TO_NULL)) {
+- input_dev->evbit[0] |= BIT_MASK(EV_ABS);
+- /* set up axes */
+- for (i = 0; xpad_abs[i] >= 0; i++)
+- xpad_set_up_abs(input_dev, xpad_abs[i]);
+- }
+-
+- /* set up standard buttons */
+- for (i = 0; xpad_common_btn[i] >= 0; i++)
+- __set_bit(xpad_common_btn[i], input_dev->keybit);
+-
+- /* set up model-specific ones */
+- if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype == XTYPE_XBOX360W) {
+- for (i = 0; xpad360_btn[i] >= 0; i++)
+- __set_bit(xpad360_btn[i], input_dev->keybit);
+- } else {
+- for (i = 0; xpad_btn[i] >= 0; i++)
+- __set_bit(xpad_btn[i], input_dev->keybit);
+- }
+-
+- if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
+- for (i = 0; xpad_btn_pad[i] >= 0; i++)
+- __set_bit(xpad_btn_pad[i], input_dev->keybit);
+- } else {
+- for (i = 0; xpad_abs_pad[i] >= 0; i++)
+- xpad_set_up_abs(input_dev, xpad_abs_pad[i]);
+- }
+-
+- if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) {
+- for (i = 0; xpad_btn_triggers[i] >= 0; i++)
+- __set_bit(xpad_btn_triggers[i], input_dev->keybit);
+- } else {
+- for (i = 0; xpad_abs_triggers[i] >= 0; i++)
+- xpad_set_up_abs(input_dev, xpad_abs_triggers[i]);
+- }
+-
+ error = xpad_init_output(intf, xpad);
+ if (error)
+ goto fail3;
+
+- error = xpad_init_ff(xpad);
+- if (error)
+- goto fail4;
++ usb_make_path(xpad->udev, xpad->phys, sizeof(xpad->phys));
++ strlcat(xpad->phys, "/input0", sizeof(xpad->phys));
+
+ error = xpad_led_probe(xpad);
+ if (error)
+@@ -985,10 +1054,6 @@ static int xpad_probe(struct usb_interfa
+ xpad->irq_in->transfer_dma = xpad->idata_dma;
+ xpad->irq_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+
+- error = input_register_device(xpad->dev);
+- if (error)
+- goto fail6;
+-
+ usb_set_intfdata(intf, xpad);
+
+ if (xpad->xtype == XTYPE_XBOX360W) {
+@@ -996,6 +1061,7 @@ static int xpad_probe(struct usb_interfa
+ * Setup the message to set the LEDs on the
+ * controller when it shows up
+ */
++ spin_lock(&xpad->odata_lock);
+ xpad->bulk_out = usb_alloc_urb(0, GFP_KERNEL);
+ if (!xpad->bulk_out) {
+ error = -ENOMEM;
+@@ -1037,23 +1103,55 @@ static int xpad_probe(struct usb_interfa
+ */
+ xpad->irq_in->dev = xpad->udev;
+ error = usb_submit_urb(xpad->irq_in, GFP_KERNEL);
++
++ spin_unlock(&xpad->odata_lock);
+ if (error)
+ goto fail9;
++
++ // I don't know how to check controller state on driver load so just slam them
++ // off so that people have to turn them on, triggering a state update
++
++ // got the power off packet from an OSX reverse-engineered driver:
++ // http://tattiebogle.net/index.php/ProjectRoot/Xbox360Controller/OsxDriver#toc1
++ spin_lock(&xpad->odata_lock);
++ xpad->odata[0] = 0x00;
++ xpad->odata[1] = 0x00;
++ xpad->odata[2] = 0x08;
++ xpad->odata[3] = 0xC0;
++ xpad->odata[4] = 0x00;
++ xpad->odata[5] = 0x00;
++ xpad->odata[6] = 0x00;
++ xpad->odata[7] = 0x00;
++ xpad->odata[8] = 0x00;
++ xpad->odata[9] = 0x00;
++ xpad->odata[10] = 0x00;
++ xpad->odata[11] = 0x00;
++ xpad->irq_out->transfer_buffer_length = 12;
++ usb_submit_urb(xpad->irq_out, GFP_KERNEL);
++ spin_unlock(&xpad->odata_lock);
++ } else {
++ my_work_t *work;
++ xpad->pad_present = 1;
++
++ work = (my_work_t *)kmalloc(sizeof(my_work_t), GFP_KERNEL);
++ INIT_WORK( (struct work_struct *)work, my_wq_function );
++ work->xpad = xpad;
++ queue_work( my_wq, (struct work_struct *)work );
+ }
+
+ return 0;
+
+ fail9: kfree(xpad->bdata);
+ fail8: usb_free_urb(xpad->bulk_out);
+- fail7: input_unregister_device(input_dev);
+- input_dev = NULL;
++ fail7: //input_unregister_device(input_dev);
++ //input_dev = NULL;
+ fail6: xpad_led_disconnect(xpad);
+- fail5: if (input_dev)
+- input_ff_destroy(input_dev);
++ fail5: //if (input_dev)
++ //input_ff_destroy(input_dev);
+ fail4: xpad_deinit_output(xpad);
+ fail3: usb_free_urb(xpad->irq_in);
+ fail2: usb_free_coherent(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma);
+- fail1: input_free_device(input_dev);
++ fail1: //input_free_device(input_dev);
+ kfree(xpad);
+ return error;
+
+@@ -1063,8 +1161,13 @@ static void xpad_disconnect(struct usb_i
+ {
+ struct usb_xpad *xpad = usb_get_intfdata (intf);
+
++// printk("xpad_disconnect\n");
+ xpad_led_disconnect(xpad);
+- input_unregister_device(xpad->dev);
++
++ if (xpad->pad_present) {
++ xpad->pad_present = 0;
++ input_unregister_device(xpad->dev);
++ }
+ xpad_deinit_output(xpad);
+
+ if (xpad->xtype == XTYPE_XBOX360W) {