diff options
Diffstat (limited to 'drivers/input/tablet/wacom_sys.c')
-rw-r--r-- | drivers/input/tablet/wacom_sys.c | 222 |
1 files changed, 81 insertions, 141 deletions
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c index c34791e7f0b9..5ceeab6e95f1 100644 --- a/drivers/input/tablet/wacom_sys.c +++ b/drivers/input/tablet/wacom_sys.c @@ -83,86 +83,40 @@ static int wacom_set_report(struct usb_interface *intf, u8 type, u8 id, return retval; } -static void wacom_sys_irq(struct urb *urb) +static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report, + u8 *raw_data, int size) { - struct wacom *wacom = urb->context; - struct device *dev = &wacom->intf->dev; - int retval; + struct wacom *wacom = hid_get_drvdata(hdev); - switch (urb->status) { - case 0: - /* success */ - break; - case -ECONNRESET: - case -ENOENT: - case -ESHUTDOWN: - /* this urb is terminated, clean up */ - dev_dbg(dev, "%s - urb shutting down with status: %d\n", - __func__, urb->status); - return; - default: - dev_dbg(dev, "%s - nonzero urb status received: %d\n", - __func__, urb->status); - goto exit; - } + if (size > WACOM_PKGLEN_MAX) + return 1; - wacom_wac_irq(&wacom->wacom_wac, urb->actual_length); + memcpy(wacom->wacom_wac.data, raw_data, size); - exit: - usb_mark_last_busy(wacom->usbdev); - retval = usb_submit_urb(urb, GFP_ATOMIC); - if (retval) - dev_err(dev, "%s - usb_submit_urb failed with result %d\n", - __func__, retval); + wacom_wac_irq(&wacom->wacom_wac, size); + + return 0; } static int wacom_open(struct input_dev *dev) { struct wacom *wacom = input_get_drvdata(dev); - int retval = 0; - - if (usb_autopm_get_interface(wacom->intf) < 0) - return -EIO; + int retval; mutex_lock(&wacom->lock); - - if (wacom->open) - goto out; - - if (usb_submit_urb(wacom->irq, GFP_KERNEL)) { - retval = -EIO; - goto out; - } - - wacom->open = true; - wacom->intf->needs_remote_wakeup = 1; - -out: + retval = hid_hw_open(wacom->hdev); mutex_unlock(&wacom->lock); - usb_autopm_put_interface(wacom->intf); + return retval; } static void wacom_close(struct input_dev *dev) { struct wacom *wacom = input_get_drvdata(dev); - int autopm_error; - - autopm_error = usb_autopm_get_interface(wacom->intf); mutex_lock(&wacom->lock); - if (!wacom->open) - goto out; - - usb_kill_urb(wacom->irq); - wacom->open = false; - wacom->intf->needs_remote_wakeup = 0; - -out: + hid_hw_close(wacom->hdev); mutex_unlock(&wacom->lock); - - if (!autopm_error) - usb_autopm_put_interface(wacom->intf); } /* @@ -807,7 +761,8 @@ out: static ssize_t wacom_led_select_store(struct device *dev, int set_id, const char *buf, size_t count) { - struct wacom *wacom = dev_get_drvdata(dev); + struct hid_device *hdev = dev_get_drvdata(dev); + struct wacom *wacom = hid_get_drvdata(hdev); unsigned int id; int err; @@ -834,7 +789,8 @@ static ssize_t wacom_led##SET_ID##_select_store(struct device *dev, \ static ssize_t wacom_led##SET_ID##_select_show(struct device *dev, \ struct device_attribute *attr, char *buf) \ { \ - struct wacom *wacom = dev_get_drvdata(dev); \ + struct hid_device *hdev = dev_get_drvdata(dev); \ + struct wacom *wacom = hid_get_drvdata(hdev); \ return snprintf(buf, 2, "%d\n", wacom->led.select[SET_ID]); \ } \ static DEVICE_ATTR(status_led##SET_ID##_select, S_IWUSR | S_IRUSR, \ @@ -868,7 +824,8 @@ static ssize_t wacom_luminance_store(struct wacom *wacom, u8 *dest, static ssize_t wacom_##name##_luminance_store(struct device *dev, \ struct device_attribute *attr, const char *buf, size_t count) \ { \ - struct wacom *wacom = dev_get_drvdata(dev); \ + struct hid_device *hdev = dev_get_drvdata(dev); \ + struct wacom *wacom = hid_get_drvdata(hdev); \ \ return wacom_luminance_store(wacom, &wacom->led.field, \ buf, count); \ @@ -883,7 +840,8 @@ DEVICE_LUMINANCE_ATTR(buttons, img_lum); static ssize_t wacom_button_image_store(struct device *dev, int button_id, const char *buf, size_t count) { - struct wacom *wacom = dev_get_drvdata(dev); + struct hid_device *hdev = dev_get_drvdata(dev); + struct wacom *wacom = hid_get_drvdata(hdev); int err; if (count != 1024) @@ -1201,6 +1159,7 @@ static void wacom_wireless_work(struct work_struct *work) struct wacom *wacom = container_of(work, struct wacom, work); struct usb_device *usbdev = wacom->usbdev; struct wacom_wac *wacom_wac = &wacom->wacom_wac; + struct hid_device *hdev1, *hdev2; struct wacom *wacom1, *wacom2; struct wacom_wac *wacom_wac1, *wacom_wac2; int error; @@ -1213,32 +1172,34 @@ static void wacom_wireless_work(struct work_struct *work) wacom_destroy_battery(wacom); /* Stylus interface */ - wacom1 = usb_get_intfdata(usbdev->config->interface[1]); + hdev1 = usb_get_intfdata(usbdev->config->interface[1]); + wacom1 = hid_get_drvdata(hdev1); wacom_wac1 = &(wacom1->wacom_wac); wacom_unregister_inputs(wacom1); /* Touch interface */ - wacom2 = usb_get_intfdata(usbdev->config->interface[2]); + hdev2 = usb_get_intfdata(usbdev->config->interface[2]); + wacom2 = hid_get_drvdata(hdev2); wacom_wac2 = &(wacom2->wacom_wac); wacom_unregister_inputs(wacom2); if (wacom_wac->pid == 0) { dev_info(&wacom->intf->dev, "wireless tablet disconnected\n"); } else { - const struct usb_device_id *id = wacom_ids; + const struct hid_device_id *id = wacom_ids; dev_info(&wacom->intf->dev, "wireless tablet connected with PID %x\n", wacom_wac->pid); - while (id->match_flags) { - if (id->idVendor == USB_VENDOR_ID_WACOM && - id->idProduct == wacom_wac->pid) + while (id->bus) { + if (id->vendor == USB_VENDOR_ID_WACOM && + id->product == wacom_wac->pid) break; id++; } - if (!id->match_flags) { + if (!id->bus) { dev_info(&wacom->intf->dev, "ignoring unknown PID.\n"); return; @@ -1246,7 +1207,7 @@ static void wacom_wireless_work(struct work_struct *work) /* Stylus interface */ wacom_wac1->features = - *((struct wacom_features *)id->driver_info); + *((struct wacom_features *)id->driver_data); wacom_wac1->features.device_type = BTN_TOOL_PEN; snprintf(wacom_wac1->name, WACOM_NAME_MAX, "%s (WL) Pen", wacom_wac1->features.name); @@ -1262,7 +1223,7 @@ static void wacom_wireless_work(struct work_struct *work) if (wacom_wac1->features.touch_max || wacom_wac1->features.type == INTUOSHT) { wacom_wac2->features = - *((struct wacom_features *)id->driver_info); + *((struct wacom_features *)id->driver_data); wacom_wac2->features.pktlen = WACOM_PKGLEN_BBTOUCH3; wacom_wac2->features.device_type = BTN_TOOL_FINGER; wacom_wac2->features.x_max = wacom_wac2->features.y_max = 4096; @@ -1323,8 +1284,10 @@ static void wacom_calculate_res(struct wacom_features *features) features->unitExpo); } -static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *id) +static int wacom_probe(struct hid_device *hdev, + const struct hid_device_id *id) { + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); struct usb_device *dev = interface_to_usbdev(intf); struct usb_endpoint_descriptor *endpoint; struct wacom *wacom; @@ -1332,34 +1295,29 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i struct wacom_features *features; int error; - if (!id->driver_info) + if (!id->driver_data) return -EINVAL; wacom = kzalloc(sizeof(struct wacom), GFP_KERNEL); if (!wacom) return -ENOMEM; + hid_set_drvdata(hdev, wacom); + wacom->hdev = hdev; + wacom_wac = &wacom->wacom_wac; - wacom_wac->features = *((struct wacom_features *)id->driver_info); + wacom_wac->features = *((struct wacom_features *)id->driver_data); features = &wacom_wac->features; if (features->pktlen > WACOM_PKGLEN_MAX) { error = -EINVAL; goto fail1; } - wacom_wac->data = usb_alloc_coherent(dev, WACOM_PKGLEN_MAX, - GFP_KERNEL, &wacom->data_dma); - if (!wacom_wac->data) { - error = -ENOMEM; + if (features->check_for_hid_type && features->hid_type != hdev->type) { + error = -ENODEV; goto fail1; } - wacom->irq = usb_alloc_urb(0, GFP_KERNEL); - if (!wacom->irq) { - error = -ENOMEM; - goto fail2; - } - wacom->usbdev = dev; wacom->intf = intf; mutex_init(&wacom->lock); @@ -1375,7 +1333,7 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i /* Retrieve the physical and logical size for touch devices */ error = wacom_retrieve_hid_descriptor(intf, features); if (error) - goto fail3; + goto fail1; /* * Intuos5 has no useful data about its touch interface in its @@ -1423,38 +1381,38 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i other_dev = dev; error = wacom_add_shared_data(wacom_wac, other_dev); if (error) - goto fail3; + goto fail1; } - usb_fill_int_urb(wacom->irq, dev, - usb_rcvintpipe(dev, endpoint->bEndpointAddress), - wacom_wac->data, features->pktlen, - wacom_sys_irq, wacom, endpoint->bInterval); - wacom->irq->transfer_dma = wacom->data_dma; - wacom->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; - error = wacom_initialize_leds(wacom); if (error) - goto fail4; + goto fail2; if (!(features->quirks & WACOM_QUIRK_NO_INPUT)) { error = wacom_register_inputs(wacom); if (error) - goto fail5; + goto fail3; } /* Note that if query fails it is not a hard failure */ wacom_query_tablet_data(intf, features); - usb_set_intfdata(intf, wacom); + /* Regular HID work starts now */ + error = hid_parse(hdev); + if (error) { + hid_err(hdev, "parse failed\n"); + goto fail4; + } - if (features->quirks & WACOM_QUIRK_MONITOR) { - if (usb_submit_urb(wacom->irq, GFP_KERNEL)) { - error = -EIO; - goto fail5; - } + error = hid_hw_start(hdev, HID_CONNECT_HIDRAW); + if (error) { + hid_err(hdev, "hw start failed\n"); + goto fail4; } + if (features->quirks & WACOM_QUIRK_MONITOR) + error = hid_hw_open(hdev); + if (wacom_wac->features.type == INTUOSHT && wacom_wac->features.touch_max) { if (wacom_wac->features.device_type == BTN_TOOL_FINGER) wacom_wac->shared->touch_input = wacom_wac->input; @@ -1462,78 +1420,60 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i return 0; - fail5: wacom_destroy_leds(wacom); - fail4: wacom_remove_shared_data(wacom_wac); - fail3: usb_free_urb(wacom->irq); - fail2: usb_free_coherent(dev, WACOM_PKGLEN_MAX, wacom_wac->data, wacom->data_dma); + fail4: wacom_unregister_inputs(wacom); + fail3: wacom_destroy_leds(wacom); + fail2: wacom_remove_shared_data(wacom_wac); fail1: kfree(wacom); + hid_set_drvdata(hdev, NULL); return error; } -static void wacom_disconnect(struct usb_interface *intf) +static void wacom_remove(struct hid_device *hdev) { - struct wacom *wacom = usb_get_intfdata(intf); + struct wacom *wacom = hid_get_drvdata(hdev); - usb_set_intfdata(intf, NULL); + hid_hw_stop(hdev); - usb_kill_urb(wacom->irq); cancel_work_sync(&wacom->work); wacom_unregister_inputs(wacom); wacom_destroy_battery(wacom); wacom_destroy_leds(wacom); - usb_free_urb(wacom->irq); - usb_free_coherent(interface_to_usbdev(intf), WACOM_PKGLEN_MAX, - wacom->wacom_wac.data, wacom->data_dma); wacom_remove_shared_data(&wacom->wacom_wac); - kfree(wacom); -} - -static int wacom_suspend(struct usb_interface *intf, pm_message_t message) -{ - struct wacom *wacom = usb_get_intfdata(intf); - - mutex_lock(&wacom->lock); - usb_kill_urb(wacom->irq); - mutex_unlock(&wacom->lock); - return 0; + hid_set_drvdata(hdev, NULL); + kfree(wacom); } -static int wacom_resume(struct usb_interface *intf) +static int wacom_resume(struct hid_device *hdev) { - struct wacom *wacom = usb_get_intfdata(intf); + struct wacom *wacom = hid_get_drvdata(hdev); struct wacom_features *features = &wacom->wacom_wac.features; - int rv = 0; mutex_lock(&wacom->lock); /* switch to wacom mode first */ - wacom_query_tablet_data(intf, features); + wacom_query_tablet_data(wacom->intf, features); wacom_led_control(wacom); - if ((wacom->open || (features->quirks & WACOM_QUIRK_MONITOR)) && - usb_submit_urb(wacom->irq, GFP_NOIO) < 0) - rv = -EIO; - mutex_unlock(&wacom->lock); - return rv; + return 0; } -static int wacom_reset_resume(struct usb_interface *intf) +static int wacom_reset_resume(struct hid_device *hdev) { - return wacom_resume(intf); + return wacom_resume(hdev); } -static struct usb_driver wacom_driver = { +static struct hid_driver wacom_driver = { .name = "wacom", .id_table = wacom_ids, .probe = wacom_probe, - .disconnect = wacom_disconnect, - .suspend = wacom_suspend, + .remove = wacom_remove, +#ifdef CONFIG_PM .resume = wacom_resume, .reset_resume = wacom_reset_resume, - .supports_autosuspend = 1, +#endif + .raw_event = wacom_raw_event, }; - -module_usb_driver(wacom_driver); +module_hid_driver(wacom_driver); |