*
* Copyright (C) 2001-2004 Greg Kroah-Hartman (greg@kroah.com)
* Copyright (C) 2005-2008 Johannes Berg (johannes@sipsolutions.net)
- * Copyright (C) 2005 Stelian Pop (stelian@popies.net)
+ * Copyright (C) 2005-2008 Stelian Pop (stelian@popies.net)
* Copyright (C) 2005 Frank Arnold (frank@scirocco-5v-turbo.de)
* Copyright (C) 2005 Peter Osterlund (petero2@telia.com)
* Copyright (C) 2005 Michael Hanselmann (linux-kernel@hansmi.ch)
#include <linux/module.h>
#include <linux/usb/input.h>
-/* Type of touchpad */
-enum atp_touchpad_type {
- ATP_FOUNTAIN,
- ATP_GEYSER1,
- ATP_GEYSER2,
- ATP_GEYSER3,
- ATP_GEYSER4
+/*
+ * Note: We try to keep the touchpad aspect ratio while still doing only
+ * simple arithmetics:
+ * 0 <= x <= (xsensors - 1) * xfact
+ * 0 <= y <= (ysensors - 1) * yfact
+ */
+struct atp_info {
+ int xsensors; /* number of X sensors */
+ int xsensors_17; /* 17" models have more sensors */
+ int ysensors; /* number of Y sensors */
+ int xfact; /* X multiplication factor */
+ int yfact; /* Y multiplication factor */
+ int datalen; /* size of USB transfers */
+ void (*callback)(struct urb *); /* callback function */
+};
+
+static void atp_complete_geyser_1_2(struct urb *urb);
+static void atp_complete_geyser_3_4(struct urb *urb);
+
+static const struct atp_info fountain_info = {
+ .xsensors = 16,
+ .xsensors_17 = 26,
+ .ysensors = 16,
+ .xfact = 64,
+ .yfact = 43,
+ .datalen = 81,
+ .callback = atp_complete_geyser_1_2,
+};
+
+static const struct atp_info geyser1_info = {
+ .xsensors = 16,
+ .xsensors_17 = 26,
+ .ysensors = 16,
+ .xfact = 64,
+ .yfact = 43,
+ .datalen = 81,
+ .callback = atp_complete_geyser_1_2,
+};
+
+static const struct atp_info geyser2_info = {
+ .xsensors = 15,
+ .xsensors_17 = 20,
+ .ysensors = 9,
+ .xfact = 64,
+ .yfact = 43,
+ .datalen = 64,
+ .callback = atp_complete_geyser_1_2,
+};
+
+static const struct atp_info geyser3_info = {
+ .xsensors = 20,
+ .ysensors = 10,
+ .xfact = 64,
+ .yfact = 64,
+ .datalen = 64,
+ .callback = atp_complete_geyser_3_4,
};
-#define ATP_DEVICE(prod, type) \
+static const struct atp_info geyser4_info = {
+ .xsensors = 20,
+ .ysensors = 10,
+ .xfact = 64,
+ .yfact = 64,
+ .datalen = 64,
+ .callback = atp_complete_geyser_3_4,
+};
+
+#define ATP_DEVICE(prod, info) \
{ \
.match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
USB_DEVICE_ID_MATCH_INT_CLASS | \
.idProduct = (prod), \
.bInterfaceClass = 0x03, \
.bInterfaceProtocol = 0x02, \
- .driver_info = ATP_ ## type, \
+ .driver_info = (unsigned long) &info, \
}
/*
* According to Info.plist Geyser IV is the same as Geyser III.)
*/
-static struct usb_device_id atp_table [] = {
+static struct usb_device_id atp_table[] = {
/* PowerBooks Feb 2005, iBooks G4 */
- ATP_DEVICE(0x020e, FOUNTAIN), /* FOUNTAIN ANSI */
- ATP_DEVICE(0x020f, FOUNTAIN), /* FOUNTAIN ISO */
- ATP_DEVICE(0x030a, FOUNTAIN), /* FOUNTAIN TP ONLY */
- ATP_DEVICE(0x030b, GEYSER1), /* GEYSER 1 TP ONLY */
+ ATP_DEVICE(0x020e, fountain_info), /* FOUNTAIN ANSI */
+ ATP_DEVICE(0x020f, fountain_info), /* FOUNTAIN ISO */
+ ATP_DEVICE(0x030a, fountain_info), /* FOUNTAIN TP ONLY */
+ ATP_DEVICE(0x030b, geyser1_info), /* GEYSER 1 TP ONLY */
/* PowerBooks Oct 2005 */
- ATP_DEVICE(0x0214, GEYSER2), /* GEYSER 2 ANSI */
- ATP_DEVICE(0x0215, GEYSER2), /* GEYSER 2 ISO */
- ATP_DEVICE(0x0216, GEYSER2), /* GEYSER 2 JIS */
+ ATP_DEVICE(0x0214, geyser2_info), /* GEYSER 2 ANSI */
+ ATP_DEVICE(0x0215, geyser2_info), /* GEYSER 2 ISO */
+ ATP_DEVICE(0x0216, geyser2_info), /* GEYSER 2 JIS */
/* Core Duo MacBook & MacBook Pro */
- ATP_DEVICE(0x0217, GEYSER3), /* GEYSER 3 ANSI */
- ATP_DEVICE(0x0218, GEYSER3), /* GEYSER 3 ISO */
- ATP_DEVICE(0x0219, GEYSER3), /* GEYSER 3 JIS */
+ ATP_DEVICE(0x0217, geyser3_info), /* GEYSER 3 ANSI */
+ ATP_DEVICE(0x0218, geyser3_info), /* GEYSER 3 ISO */
+ ATP_DEVICE(0x0219, geyser3_info), /* GEYSER 3 JIS */
/* Core2 Duo MacBook & MacBook Pro */
- ATP_DEVICE(0x021a, GEYSER4), /* GEYSER 4 ANSI */
- ATP_DEVICE(0x021b, GEYSER4), /* GEYSER 4 ISO */
- ATP_DEVICE(0x021c, GEYSER4), /* GEYSER 4 JIS */
+ ATP_DEVICE(0x021a, geyser4_info), /* GEYSER 4 ANSI */
+ ATP_DEVICE(0x021b, geyser4_info), /* GEYSER 4 ISO */
+ ATP_DEVICE(0x021c, geyser4_info), /* GEYSER 4 JIS */
/* Core2 Duo MacBook3,1 */
- ATP_DEVICE(0x0229, GEYSER4), /* GEYSER 4 HF ANSI */
- ATP_DEVICE(0x022a, GEYSER4), /* GEYSER 4 HF ISO */
- ATP_DEVICE(0x022b, GEYSER4), /* GEYSER 4 HF JIS */
+ ATP_DEVICE(0x0229, geyser4_info), /* GEYSER 4 HF ANSI */
+ ATP_DEVICE(0x022a, geyser4_info), /* GEYSER 4 HF ISO */
+ ATP_DEVICE(0x022b, geyser4_info), /* GEYSER 4 HF JIS */
/* Terminating entry */
{ }
};
MODULE_DEVICE_TABLE(usb, atp_table);
-/*
- * number of sensors. Note that only 16 instead of 26 X (horizontal)
- * sensors exist on 12" and 15" PowerBooks. All models have 16 Y
- * (vertical) sensors.
- */
+/* maximum number of sensors */
#define ATP_XSENSORS 26
#define ATP_YSENSORS 16
/* maximum pressure this driver will report */
#define ATP_PRESSURE 300
-/*
- * multiplication factor for the X and Y coordinates.
- * We try to keep the touchpad aspect ratio while still doing only simple
- * arithmetics.
- * The factors below give coordinates like:
- *
- * 0 <= x < 960 on 12" and 15" Powerbooks
- * 0 <= x < 1600 on 17" Powerbooks and 17" MacBook Pro
- * 0 <= x < 1216 on MacBooks and 15" MacBook Pro
- *
- * 0 <= y < 646 on all Powerbooks
- * 0 <= y < 774 on all MacBooks
- */
-#define ATP_XFACT 64
-#define ATP_YFACT 43
/*
* Threshold for the touchpad sensors. Any change less than ATP_THRESHOLD is
struct urb *urb; /* usb request block */
u8 *data; /* transferred data */
struct input_dev *input; /* input dev */
- enum atp_touchpad_type type; /* type of touchpad */
+ const struct atp_info *info; /* touchpad model */
bool open;
bool valid; /* are the samples valid? */
bool size_detect_done;
signed char xy_cur[ATP_XSENSORS + ATP_YSENSORS];
signed char xy_old[ATP_XSENSORS + ATP_YSENSORS];
int xy_acc[ATP_XSENSORS + ATP_YSENSORS];
- int datalen; /* size of USB transfer */
int idlecount; /* number of empty packets */
struct work_struct work;
};
if (!dev->overflow_warned) {
printk(KERN_WARNING "appletouch: OVERFLOW with data "
"length %d, actual length is %d\n",
- dev->datalen, dev->urb->actual_length);
+ dev->info->datalen, dev->urb->actual_length);
dev->overflow_warned = true;
}
case -ECONNRESET:
}
/* drop incomplete datasets */
- if (dev->urb->actual_length != dev->datalen) {
+ if (dev->urb->actual_length != dev->info->datalen) {
dprintk("appletouch: incomplete data package"
" (first byte: %d, length: %d).\n",
dev->data[0], dev->urb->actual_length);
return ATP_URB_STATUS_SUCCESS;
}
+static void atp_detect_size(struct atp *dev)
+{
+ int i;
+
+ /* 17" Powerbooks have extra X sensors */
+ for (i = dev->info->xsensors; i < ATP_XSENSORS; i++) {
+ if (dev->xy_cur[i]) {
+
+ printk(KERN_INFO "appletouch: 17\" model detected.\n");
+
+ input_set_abs_params(dev->input, ABS_X, 0,
+ (dev->info->xsensors_17 - 1) *
+ dev->info->xfact - 1,
+ ATP_FUZZ, 0);
+ break;
+ }
+ }
+}
+
/*
* USB interrupt callback functions
*/
goto exit;
/* reorder the sensors values */
- if (dev->type == ATP_GEYSER2) {
+ if (dev->info == &geyser2_info) {
memset(dev->xy_cur, 0, sizeof(dev->xy_cur));
/*
dev->xy_cur[i + 24] = dev->data[5 * i + 44];
/* Y values */
- dev->xy_cur[i + 26] = dev->data[5 * i + 1];
- dev->xy_cur[i + 34] = dev->data[5 * i + 3];
+ dev->xy_cur[ATP_XSENSORS + i] = dev->data[5 * i + 1];
+ dev->xy_cur[ATP_XSENSORS + i + 8] = dev->data[5 * i + 3];
}
}
memcpy(dev->xy_old, dev->xy_cur, sizeof(dev->xy_old));
/* Perform size detection, if not done already */
- if (!dev->size_detect_done) {
-
- /* 17" Powerbooks have extra X sensors */
- for (i = (dev->type == ATP_GEYSER2 ? 15 : 16);
- i < ATP_XSENSORS; i++) {
- if (!dev->xy_cur[i])
- continue;
-
- printk(KERN_INFO
- "appletouch: 17\" model detected.\n");
-
- if (dev->type == ATP_GEYSER2)
- input_set_abs_params(dev->input, ABS_X,
- 0,
- (20 - 1) *
- ATP_XFACT - 1,
- ATP_FUZZ, 0);
- else
- input_set_abs_params(dev->input, ABS_X,
- 0,
- (26 - 1) *
- ATP_XFACT - 1,
- ATP_FUZZ, 0);
- break;
- }
-
+ if (unlikely(!dev->size_detect_done)) {
+ atp_detect_size(dev);
dev->size_detect_done = 1;
goto exit;
}
dbg_dump("accumulator", dev->xy_acc);
x = atp_calculate_abs(dev->xy_acc, ATP_XSENSORS,
- ATP_XFACT, &x_z, &x_f);
+ dev->info->xfact, &x_z, &x_f);
y = atp_calculate_abs(dev->xy_acc + ATP_XSENSORS, ATP_YSENSORS,
- ATP_YFACT, &y_z, &y_f);
- key = dev->data[dev->datalen - 1] & ATP_STATUS_BUTTON;
+ dev->info->yfact, &y_z, &y_f);
+ key = dev->data[dev->info->datalen - 1] & ATP_STATUS_BUTTON;
if (x && y) {
if (dev->x_old != -1) {
dbg_dump("sample", dev->xy_cur);
/* Just update the base values (i.e. touchpad in untouched state) */
- if (dev->data[dev->datalen - 1] & ATP_STATUS_BASE_UPDATE) {
+ if (dev->data[dev->info->datalen - 1] & ATP_STATUS_BASE_UPDATE) {
dprintk(KERN_DEBUG "appletouch: updated base values\n");
dbg_dump("accumulator", dev->xy_acc);
x = atp_calculate_abs(dev->xy_acc, ATP_XSENSORS,
- ATP_XFACT, &x_z, &x_f);
+ dev->info->xfact, &x_z, &x_f);
y = atp_calculate_abs(dev->xy_acc + ATP_XSENSORS, ATP_YSENSORS,
- ATP_YFACT, &y_z, &y_f);
- key = dev->data[dev->datalen - 1] & ATP_STATUS_BUTTON;
+ dev->info->yfact, &y_z, &y_f);
+ key = dev->data[dev->info->datalen - 1] & ATP_STATUS_BUTTON;
if (x && y) {
if (dev->x_old != -1) {
{
struct usb_device *udev = dev->udev;
- if (dev->type != ATP_FOUNTAIN) {
+ if (dev->info != &fountain_info) {
/* switch to raw sensor mode */
if (atp_geyser_init(udev))
return -EIO;
struct usb_endpoint_descriptor *endpoint;
int int_in_endpointAddr = 0;
int i, error = -ENOMEM;
+ const struct atp_info *info = (const struct atp_info *)id->driver_info;
/* set up the endpoint information */
/* use only the first interrupt-in endpoint */
dev->udev = udev;
dev->input = input_dev;
- dev->type = id->driver_info;
+ dev->info = info;
dev->overflow_warned = false;
- if (dev->type == ATP_FOUNTAIN || dev->type == ATP_GEYSER1)
- dev->datalen = 81;
- else
- dev->datalen = 64;
dev->urb = usb_alloc_urb(0, GFP_KERNEL);
if (!dev->urb)
goto err_free_devs;
- dev->data = usb_buffer_alloc(dev->udev, dev->datalen, GFP_KERNEL,
+ dev->data = usb_buffer_alloc(dev->udev, dev->info->datalen, GFP_KERNEL,
&dev->urb->transfer_dma);
if (!dev->data)
goto err_free_urb;
- /* Select the USB complete (callback) function */
- if (dev->type == ATP_FOUNTAIN ||
- dev->type == ATP_GEYSER1 ||
- dev->type == ATP_GEYSER2)
- usb_fill_int_urb(dev->urb, udev,
- usb_rcvintpipe(udev, int_in_endpointAddr),
- dev->data, dev->datalen,
- atp_complete_geyser_1_2, dev, 1);
- else
- usb_fill_int_urb(dev->urb, udev,
- usb_rcvintpipe(udev, int_in_endpointAddr),
- dev->data, dev->datalen,
- atp_complete_geyser_3_4, dev, 1);
+ usb_fill_int_urb(dev->urb, udev,
+ usb_rcvintpipe(udev, int_in_endpointAddr),
+ dev->data, dev->info->datalen,
+ dev->info->callback, dev, 1);
error = atp_handle_geyser(dev);
if (error)
set_bit(EV_ABS, input_dev->evbit);
- if (dev->type == ATP_GEYSER3 || dev->type == ATP_GEYSER4) {
- /*
- * MacBook have 20 X sensors, 10 Y sensors
- */
- input_set_abs_params(input_dev, ABS_X, 0,
- ((20 - 1) * ATP_XFACT) - 1, ATP_FUZZ, 0);
- input_set_abs_params(input_dev, ABS_Y, 0,
- ((10 - 1) * ATP_YFACT) - 1, ATP_FUZZ, 0);
- } else if (dev->type == ATP_GEYSER2) {
- /*
- * Oct 2005 15" PowerBooks have 15 X sensors, 17" are detected
- * later.
- */
- input_set_abs_params(input_dev, ABS_X, 0,
- ((15 - 1) * ATP_XFACT) - 1, ATP_FUZZ, 0);
- input_set_abs_params(input_dev, ABS_Y, 0,
- ((9 - 1) * ATP_YFACT) - 1, ATP_FUZZ, 0);
- } else {
- /*
- * 12" and 15" Powerbooks only have 16 x sensors,
- * 17" models are detected later.
- */
- input_set_abs_params(input_dev, ABS_X, 0,
- (16 - 1) * ATP_XFACT - 1,
- ATP_FUZZ, 0);
- input_set_abs_params(input_dev, ABS_Y, 0,
- (ATP_YSENSORS - 1) * ATP_YFACT - 1,
- ATP_FUZZ, 0);
- }
+ input_set_abs_params(input_dev, ABS_X, 0,
+ (dev->info->xsensors - 1) * dev->info->xfact - 1,
+ ATP_FUZZ, 0);
+ input_set_abs_params(input_dev, ABS_Y, 0,
+ (dev->info->ysensors - 1) * dev->info->yfact - 1,
+ ATP_FUZZ, 0);
input_set_abs_params(input_dev, ABS_PRESSURE, 0, ATP_PRESSURE, 0, 0);
set_bit(EV_KEY, input_dev->evbit);
return 0;
err_free_buffer:
- usb_buffer_free(dev->udev, dev->datalen,
+ usb_buffer_free(dev->udev, dev->info->datalen,
dev->data, dev->urb->transfer_dma);
err_free_urb:
usb_free_urb(dev->urb);
if (dev) {
usb_kill_urb(dev->urb);
input_unregister_device(dev->input);
- usb_buffer_free(dev->udev, dev->datalen,
+ usb_buffer_free(dev->udev, dev->info->datalen,
dev->data, dev->urb->transfer_dma);
usb_free_urb(dev->urb);
kfree(dev);
projects / linux-2.6-omap-h63xx.git / blobdiff