#define GEYSER4_ISO_PRODUCT_ID 0x021B
#define GEYSER4_JIS_PRODUCT_ID 0x021C
+#define GEYSER4_HF_ANSI_PRODUCT_ID 0x0229
+#define GEYSER4_HF_ISO_PRODUCT_ID 0x022A
+#define GEYSER4_HF_JIS_PRODUCT_ID 0x022B
+
#define ATP_DEVICE(prod) \
.match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
USB_DEVICE_ID_MATCH_INT_CLASS | \
{ ATP_DEVICE(GEYSER4_ISO_PRODUCT_ID) },
{ ATP_DEVICE(GEYSER4_JIS_PRODUCT_ID) },
+ { ATP_DEVICE(GEYSER4_HF_ANSI_PRODUCT_ID) },
+ { ATP_DEVICE(GEYSER4_HF_ISO_PRODUCT_ID) },
+ { ATP_DEVICE(GEYSER4_HF_JIS_PRODUCT_ID) },
+
/* Terminating entry */
{ }
};
*/
#define ATP_THRESHOLD 5
-/* MacBook Pro (Geyser 3 & 4) initialization constants */
-#define ATP_GEYSER3_MODE_READ_REQUEST_ID 1
-#define ATP_GEYSER3_MODE_WRITE_REQUEST_ID 9
-#define ATP_GEYSER3_MODE_REQUEST_VALUE 0x300
-#define ATP_GEYSER3_MODE_REQUEST_INDEX 0
-#define ATP_GEYSER3_MODE_VENDOR_VALUE 0x04
+/* Geyser initialization constants */
+#define ATP_GEYSER_MODE_READ_REQUEST_ID 1
+#define ATP_GEYSER_MODE_WRITE_REQUEST_ID 9
+#define ATP_GEYSER_MODE_REQUEST_VALUE 0x300
+#define ATP_GEYSER_MODE_REQUEST_INDEX 0
+#define ATP_GEYSER_MODE_VENDOR_VALUE 0x04
/* Structure to hold all of our device specific stuff */
struct atp {
struct usb_device * udev; /* usb device */
struct urb * urb; /* usb request block */
signed char * data; /* transferred data */
- int open; /* non-zero if opened */
- struct input_dev *input; /* input dev */
- int valid; /* are the sensors valid ? */
+ struct input_dev * input; /* input dev */
+ unsigned char open; /* non-zero if opened */
+ unsigned char valid; /* are the sensors valid ? */
+ unsigned char size_detect_done;
+ unsigned char overflowwarn; /* overflow warning printed? */
int x_old; /* last reported x/y, */
int y_old; /* used for smoothing */
/* current value of the sensors */
signed char xy_old[ATP_XSENSORS + ATP_YSENSORS];
/* accumulated sensors */
int xy_acc[ATP_XSENSORS + ATP_YSENSORS];
- int overflowwarn; /* overflow warning printed? */
int datalen; /* size of an USB urb transfer */
int idlecount; /* number of empty packets */
struct work_struct work;
#define dprintk(format, a...) \
do { \
- if (debug) printk(format, ##a); \
+ if (debug) printk(KERN_DEBUG format, ##a); \
} while (0)
MODULE_AUTHOR("Johannes Berg, Stelian Pop, Frank Arnold, Michael Hanselmann");
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "Activate debugging output");
+static inline int atp_is_fountain(struct atp *dev)
+{
+ u16 productId = le16_to_cpu(dev->udev->descriptor.idProduct);
+
+ return productId == FOUNTAIN_ANSI_PRODUCT_ID ||
+ productId == FOUNTAIN_ISO_PRODUCT_ID ||
+ productId == FOUNTAIN_TP_ONLY_PRODUCT_ID;
+}
+
/* Checks if the device a Geyser 2 (ANSI, ISO, JIS) */
static inline int atp_is_geyser_2(struct atp *dev)
{
(productId == GEYSER3_JIS_PRODUCT_ID) ||
(productId == GEYSER4_ANSI_PRODUCT_ID) ||
(productId == GEYSER4_ISO_PRODUCT_ID) ||
- (productId == GEYSER4_JIS_PRODUCT_ID);
+ (productId == GEYSER4_JIS_PRODUCT_ID) ||
+ (productId == GEYSER4_HF_ANSI_PRODUCT_ID) ||
+ (productId == GEYSER4_HF_ISO_PRODUCT_ID) ||
+ (productId == GEYSER4_HF_JIS_PRODUCT_ID);
}
/*
- * By default Geyser 3 device sends standard USB HID mouse
+ * By default newer Geyser devices send standard USB HID mouse
* packets (Report ID 2). This code changes device mode, so it
* sends raw sensor reports (Report ID 5).
*/
-static int atp_geyser3_init(struct usb_device *udev)
+static int atp_geyser_init(struct usb_device *udev)
{
char data[8];
int size;
size = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
- ATP_GEYSER3_MODE_READ_REQUEST_ID,
+ ATP_GEYSER_MODE_READ_REQUEST_ID,
USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
- ATP_GEYSER3_MODE_REQUEST_VALUE,
- ATP_GEYSER3_MODE_REQUEST_INDEX, &data, 8, 5000);
+ ATP_GEYSER_MODE_REQUEST_VALUE,
+ ATP_GEYSER_MODE_REQUEST_INDEX, &data, 8, 5000);
if (size != 8) {
err("Could not do mode read request from device"
- " (Geyser 3 mode)");
+ " (Geyser Raw mode)");
return -EIO;
}
/* Apply the mode switch */
- data[0] = ATP_GEYSER3_MODE_VENDOR_VALUE;
+ data[0] = ATP_GEYSER_MODE_VENDOR_VALUE;
size = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
- ATP_GEYSER3_MODE_WRITE_REQUEST_ID,
+ ATP_GEYSER_MODE_WRITE_REQUEST_ID,
USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
- ATP_GEYSER3_MODE_REQUEST_VALUE,
- ATP_GEYSER3_MODE_REQUEST_INDEX, &data, 8, 5000);
+ ATP_GEYSER_MODE_REQUEST_VALUE,
+ ATP_GEYSER_MODE_REQUEST_INDEX, &data, 8, 5000);
if (size != 8) {
err("Could not do mode write request to device"
- " (Geyser 3 mode)");
+ " (Geyser Raw mode)");
return -EIO;
}
return 0;
}
-/* Reinitialise the device if it's a geyser 3 */
+/*
+ * Reinitialise the device. This usually stops stream of empty packets
+ * coming from it.
+ */
static void atp_reinit(struct work_struct *work)
{
struct atp *dev = container_of(work, struct atp, work);
struct usb_device *udev = dev->udev;
+ int retval;
dev->idlecount = 0;
- atp_geyser3_init(udev);
+
+ atp_geyser_init(udev);
+
+ retval = usb_submit_urb(dev->urb, GFP_ATOMIC);
+ if (retval) {
+ err("%s - usb_submit_urb failed with result %d",
+ __FUNCTION__, retval);
+ }
}
static int atp_calculate_abs(int *xy_sensors, int nb_sensors, int fact,
break;
case -EOVERFLOW:
if(!dev->overflowwarn) {
- printk("appletouch: OVERFLOW with data "
+ printk(KERN_WARNING "appletouch: OVERFLOW with data "
"length %d, actual length is %d\n",
dev->datalen, dev->urb->actual_length);
dev->overflowwarn = 1;
dev->x_old = dev->y_old = -1;
memcpy(dev->xy_old, dev->xy_cur, sizeof(dev->xy_old));
- if (atp_is_geyser_3(dev)) /* No 17" Macbooks (yet) */
+ if (dev->size_detect_done ||
+ atp_is_geyser_3(dev)) /* No 17" Macbooks (yet) */
goto exit;
/* 17" Powerbooks have extra X sensors */
- for (i = (atp_is_geyser_2(dev)?15:16); i < ATP_XSENSORS; i++) {
- if (!dev->xy_cur[i]) continue;
+ for (i = (atp_is_geyser_2(dev) ? 15 : 16); i < ATP_XSENSORS; i++) {
+ if (!dev->xy_cur[i])
+ continue;
- printk("appletouch: 17\" model detected.\n");
- if(atp_is_geyser_2(dev))
+ printk(KERN_INFO "appletouch: 17\" model detected.\n");
+ if (atp_is_geyser_2(dev))
input_set_abs_params(dev->input, ABS_X, 0,
(20 - 1) *
ATP_XFACT - 1,
(ATP_XSENSORS - 1) *
ATP_XFACT - 1,
ATP_FUZZ, 0);
-
break;
}
+ dev->size_detect_done = 1;
goto exit;
}
dev->y_old = y;
if (debug > 1)
- printk("appletouch: X: %3d Y: %3d "
+ printk(KERN_DEBUG "appletouch: X: %3d Y: %3d "
"Xz: %3d Yz: %3d\n",
x, y, x_z, y_z);
memset(dev->xy_acc, 0, sizeof(dev->xy_acc));
}
- /* Geyser 3 will continue to send packets continually after
- the first touch unless reinitialised. Do so if it's been
- idle for a while in order to avoid waking the kernel up
- several hundred times a second */
+ input_report_key(dev->input, BTN_LEFT, key);
+ input_sync(dev->input);
- if (atp_is_geyser_3(dev)) {
+ /*
+ * Many Geysers will continue to send packets continually after
+ * the first touch unless reinitialised. Do so if it's been
+ * idle for a while in order to avoid waking the kernel up
+ * several hundred times a second. Re-initialization does not
+ * work on Fountain touchpads.
+ */
+ if (!atp_is_fountain(dev)) {
if (!x && !y && !key) {
dev->idlecount++;
if (dev->idlecount == 10) {
dev->valid = 0;
schedule_work(&dev->work);
+ /* Don't resubmit urb here, wait for reinit */
+ return;
}
- }
- else
+ } else
dev->idlecount = 0;
}
- input_report_key(dev->input, BTN_LEFT, key);
- input_sync(dev->input);
-
exit:
retval = usb_submit_urb(dev->urb, GFP_ATOMIC);
if (retval) {
dev->open = 0;
}
+static int atp_handle_geyser(struct atp *dev)
+{
+ struct usb_device *udev = dev->udev;
+
+ if (!atp_is_fountain(dev)) {
+ /* switch to raw sensor mode */
+ if (atp_geyser_init(udev))
+ return -EIO;
+
+ printk(KERN_INFO "appletouch: Geyser mode initialized.\n");
+ }
+
+ return 0;
+}
+
static int atp_probe(struct usb_interface *iface, const struct usb_device_id *id)
{
struct atp *dev;
else
dev->datalen = 81;
- if (atp_is_geyser_3(dev)) {
- /* switch to raw sensor mode */
- if (atp_geyser3_init(udev))
- goto err_free_devs;
-
- printk("appletouch Geyser 3 inited.\n");
- }
-
dev->urb = usb_alloc_urb(0, GFP_KERNEL);
if (!dev->urb)
goto err_free_devs;
usb_rcvintpipe(udev, int_in_endpointAddr),
dev->data, dev->datalen, atp_complete, dev, 1);
+ error = atp_handle_geyser(dev);
+ if (error)
+ goto err_free_buffer;
+
usb_make_path(udev, dev->phys, sizeof(dev->phys));
strlcat(dev->phys, "/input0", sizeof(dev->phys));
printk(KERN_INFO "input: appletouch disconnected\n");
}
+static int atp_recover(struct atp *dev)
+{
+ int error;
+
+ error = atp_handle_geyser(dev);
+ if (error)
+ return error;
+
+ if (dev->open && usb_submit_urb(dev->urb, GFP_ATOMIC))
+ return -EIO;
+
+ return 0;
+}
+
static int atp_suspend(struct usb_interface *iface, pm_message_t message)
{
struct atp *dev = usb_get_intfdata(iface);
return 0;
}
+static int atp_reset_resume(struct usb_interface *iface)
+{
+ struct atp *dev = usb_get_intfdata(iface);
+
+ return atp_recover(dev);
+}
+
static struct usb_driver atp_driver = {
.name = "appletouch",
.probe = atp_probe,
.disconnect = atp_disconnect,
.suspend = atp_suspend,
.resume = atp_resume,
+ .reset_resume = atp_reset_resume,
.id_table = atp_table,
};
projects / cascardo / linux.git / blobdiff