WorkStruct: make allyesconfig
[pandora-kernel.git] / drivers / usb / input / hid-core.c
index 8f8d4af..ebc9e82 100644 (file)
@@ -270,7 +270,7 @@ static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsign
  * Read data value from item.
  */
 
-static __inline__ __u32 item_udata(struct hid_item *item)
+static u32 item_udata(struct hid_item *item)
 {
        switch (item->size) {
                case 1: return item->data.u8;
@@ -280,7 +280,7 @@ static __inline__ __u32 item_udata(struct hid_item *item)
        return 0;
 }
 
-static __inline__ __s32 item_sdata(struct hid_item *item)
+static s32 item_sdata(struct hid_item *item)
 {
        switch (item->size) {
                case 1: return item->data.s8;
@@ -543,8 +543,6 @@ static void hid_free_device(struct hid_device *device)
 {
        unsigned i,j;
 
-       hid_ff_exit(device);
-
        for (i = 0; i < HID_REPORT_TYPES; i++) {
                struct hid_report_enum *report_enum = device->report_enum + i;
 
@@ -729,7 +727,7 @@ static struct hid_device *hid_parse_report(__u8 *start, unsigned size)
  * done by hand.
  */
 
-static __inline__ __s32 snto32(__u32 value, unsigned n)
+static s32 snto32(__u32 value, unsigned n)
 {
        switch (n) {
                case 8:  return ((__s8)value);
@@ -743,30 +741,65 @@ static __inline__ __s32 snto32(__u32 value, unsigned n)
  * Convert a signed 32-bit integer to a signed n-bit integer.
  */
 
-static __inline__ __u32 s32ton(__s32 value, unsigned n)
+static u32 s32ton(__s32 value, unsigned n)
 {
-       __s32 a = value >> (n - 1);
+       s32 a = value >> (n - 1);
        if (a && a != -1)
                return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
        return value & ((1 << n) - 1);
 }
 
 /*
- * Extract/implement a data field from/to a report.
+ * Extract/implement a data field from/to a little endian report (bit array).
+ *
+ * Code sort-of follows HID spec:
+ *     http://www.usb.org/developers/devclass_docs/HID1_11.pdf
+ *
+ * While the USB HID spec allows unlimited length bit fields in "report
+ * descriptors", most devices never use more than 16 bits.
+ * One model of UPS is claimed to report "LINEV" as a 32-bit field.
+ * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
  */
 
 static __inline__ __u32 extract(__u8 *report, unsigned offset, unsigned n)
 {
-       report += (offset >> 5) << 2; offset &= 31;
-       return (le64_to_cpu(get_unaligned((__le64*)report)) >> offset) & ((1ULL << n) - 1);
+       u64 x;
+
+       WARN_ON(n > 32);
+
+       report += offset >> 3;  /* adjust byte index */
+       offset &= 7;            /* now only need bit offset into one byte */
+       x = get_unaligned((u64 *) report);
+       x = le64_to_cpu(x);
+       x = (x >> offset) & ((1ULL << n) - 1);  /* extract bit field */
+       return (u32) x;
 }
 
+/*
+ * "implement" : set bits in a little endian bit stream.
+ * Same concepts as "extract" (see comments above).
+ * The data mangled in the bit stream remains in little endian
+ * order the whole time. It make more sense to talk about
+ * endianness of register values by considering a register
+ * a "cached" copy of the little endiad bit stream.
+ */
 static __inline__ void implement(__u8 *report, unsigned offset, unsigned n, __u32 value)
 {
-       report += (offset >> 5) << 2; offset &= 31;
-       put_unaligned((get_unaligned((__le64*)report)
-               & cpu_to_le64(~((((__u64) 1 << n) - 1) << offset)))
-               | cpu_to_le64((__u64)value << offset), (__le64*)report);
+       u64 x;
+       u64 m = (1ULL << n) - 1;
+
+       WARN_ON(n > 32);
+
+       WARN_ON(value > m);
+       value &= m;
+
+       report += offset >> 3;
+       offset &= 7;
+
+       x = get_unaligned((u64 *)report);
+       x &= cpu_to_le64(~(m << offset));
+       x |= cpu_to_le64(((u64) value) << offset);
+       put_unaligned(x, (u64 *) report);
 }
 
 /*
@@ -782,13 +815,13 @@ static __inline__ int search(__s32 *array, __s32 value, unsigned n)
        return -1;
 }
 
-static void hid_process_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value, int interrupt, struct pt_regs *regs)
+static void hid_process_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value, int interrupt)
 {
        hid_dump_input(usage, value);
        if (hid->claimed & HID_CLAIMED_INPUT)
-               hidinput_hid_event(hid, field, usage, value, regs);
+               hidinput_hid_event(hid, field, usage, value);
        if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt)
-               hiddev_hid_event(hid, field, usage, value, regs);
+               hiddev_hid_event(hid, field, usage, value);
 }
 
 /*
@@ -797,7 +830,7 @@ static void hid_process_event(struct hid_device *hid, struct hid_field *field, s
  * reporting to the layer).
  */
 
-static void hid_input_field(struct hid_device *hid, struct hid_field *field, __u8 *data, int interrupt, struct pt_regs *regs)
+static void hid_input_field(struct hid_device *hid, struct hid_field *field, __u8 *data, int interrupt)
 {
        unsigned n;
        unsigned count = field->report_count;
@@ -824,19 +857,19 @@ static void hid_input_field(struct hid_device *hid, struct hid_field *field, __u
        for (n = 0; n < count; n++) {
 
                if (HID_MAIN_ITEM_VARIABLE & field->flags) {
-                       hid_process_event(hid, field, &field->usage[n], value[n], interrupt, regs);
+                       hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
                        continue;
                }
 
                if (field->value[n] >= min && field->value[n] <= max
                        && field->usage[field->value[n] - min].hid
                        && search(value, field->value[n], count))
-                               hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt, regs);
+                               hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
 
                if (value[n] >= min && value[n] <= max
                        && field->usage[value[n] - min].hid
                        && search(field->value, value[n], count))
-                               hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt, regs);
+                               hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
        }
 
        memcpy(field->value, value, count * sizeof(__s32));
@@ -844,7 +877,7 @@ exit:
        kfree(value);
 }
 
-static int hid_input_report(int type, struct urb *urb, int interrupt, struct pt_regs *regs)
+static int hid_input_report(int type, struct urb *urb, int interrupt)
 {
        struct hid_device *hid = urb->context;
        struct hid_report_enum *report_enum = hid->report_enum + type;
@@ -894,7 +927,7 @@ static int hid_input_report(int type, struct urb *urb, int interrupt, struct pt_
                hiddev_report_event(hid, report);
 
        for (n = 0; n < report->maxfield; n++)
-               hid_input_field(hid, report->field[n], data, interrupt, regs);
+               hid_input_field(hid, report->field[n], data, interrupt);
 
        if (hid->claimed & HID_CLAIMED_INPUT)
                hidinput_report_event(hid, report);
@@ -936,9 +969,10 @@ static void hid_retry_timeout(unsigned long _hid)
 }
 
 /* Workqueue routine to reset the device */
-static void hid_reset(void *_hid)
+static void hid_reset(struct work_struct *work)
 {
-       struct hid_device *hid = (struct hid_device *) _hid;
+       struct hid_device *hid =
+               container_of(work, struct hid_device, reset_work);
        int rc_lock, rc;
 
        dev_dbg(&hid->intf->dev, "resetting device\n");
@@ -1006,7 +1040,7 @@ done:
  * Input interrupt completion handler.
  */
 
-static void hid_irq_in(struct urb *urb, struct pt_regs *regs)
+static void hid_irq_in(struct urb *urb)
 {
        struct hid_device       *hid = urb->context;
        int                     status;
@@ -1014,7 +1048,7 @@ static void hid_irq_in(struct urb *urb, struct pt_regs *regs)
        switch (urb->status) {
                case 0:                 /* success */
                        hid->retry_delay = 0;
-                       hid_input_report(HID_INPUT_REPORT, urb, 1, regs);
+                       hid_input_report(HID_INPUT_REPORT, urb, 1);
                        break;
                case -ECONNRESET:       /* unlink */
                case -ENOENT:
@@ -1023,7 +1057,8 @@ static void hid_irq_in(struct urb *urb, struct pt_regs *regs)
                        return;
                case -EILSEQ:           /* protocol error or unplug */
                case -EPROTO:           /* protocol error or unplug */
-               case -ETIMEDOUT:        /* NAK */
+               case -ETIME:            /* protocol error or unplug */
+               case -ETIMEDOUT:        /* Should never happen, but... */
                        clear_bit(HID_IN_RUNNING, &hid->iofl);
                        hid_io_error(hid);
                        return;
@@ -1108,7 +1143,7 @@ int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
 /*
  * Find a report field with a specified HID usage.
  */
-
+#if 0
 struct hid_field *hid_find_field_by_usage(struct hid_device *hid, __u32 wanted_usage, int type)
 {
        struct hid_report *report;
@@ -1120,6 +1155,7 @@ struct hid_field *hid_find_field_by_usage(struct hid_device *hid, __u32 wanted_u
                                return report->field[i];
        return NULL;
 }
+#endif  /*  0  */
 
 static int hid_submit_out(struct hid_device *hid)
 {
@@ -1193,7 +1229,7 @@ static int hid_submit_ctrl(struct hid_device *hid)
  * Output interrupt completion handler.
  */
 
-static void hid_irq_out(struct urb *urb, struct pt_regs *regs)
+static void hid_irq_out(struct urb *urb)
 {
        struct hid_device *hid = urb->context;
        unsigned long flags;
@@ -1238,7 +1274,7 @@ static void hid_irq_out(struct urb *urb, struct pt_regs *regs)
  * Control pipe completion handler.
  */
 
-static void hid_ctrl(struct urb *urb, struct pt_regs *regs)
+static void hid_ctrl(struct urb *urb)
 {
        struct hid_device *hid = urb->context;
        unsigned long flags;
@@ -1249,7 +1285,7 @@ static void hid_ctrl(struct urb *urb, struct pt_regs *regs)
        switch (urb->status) {
                case 0:                 /* success */
                        if (hid->ctrl[hid->ctrltail].dir == USB_DIR_IN)
-                               hid_input_report(hid->ctrl[hid->ctrltail].report->type, urb, 0, regs);
+                               hid_input_report(hid->ctrl[hid->ctrltail].report->type, urb, 0);
                        break;
                case -ESHUTDOWN:        /* unplug */
                        unplug = 1;
@@ -1381,6 +1417,9 @@ void hid_close(struct hid_device *hid)
 
 #define USB_VENDOR_ID_PANJIT           0x134c
 
+#define USB_VENDOR_ID_TURBOX           0x062a
+#define USB_DEVICE_ID_TURBOX_KEYBOARD  0x0201
+
 /*
  * Initialize all reports
  */
@@ -1595,6 +1634,16 @@ void hid_init_reports(struct hid_device *hid)
 
 #define USB_VENDOR_ID_YEALINK          0x6993
 #define USB_DEVICE_ID_YEALINK_P1K_P4K_B2K      0xb001
+
+#define USB_VENDOR_ID_ALCOR            0x058f
+#define USB_DEVICE_ID_ALCOR_USBRS232   0x9720
+
+#define USB_VENDOR_ID_SUN              0x0430
+#define USB_DEVICE_ID_RARITAN_KVM_DONGLE       0xcdab
+
+#define USB_VENDOR_ID_AIRCABLE         0x16CA
+#define USB_DEVICE_ID_AIRCABLE1                0x1502
+
 /*
  * Alphabetically sorted blacklist by quirk type.
  */
@@ -1612,6 +1661,8 @@ static const struct hid_blacklist {
        { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22, HID_QUIRK_IGNORE },
        { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23, HID_QUIRK_IGNORE },
        { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24, HID_QUIRK_IGNORE },
+       { USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1, HID_QUIRK_IGNORE },
+       { USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232, HID_QUIRK_IGNORE },
        { USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD, HID_QUIRK_IGNORE },
        { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW40, HID_QUIRK_IGNORE },
        { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW24, HID_QUIRK_IGNORE },
@@ -1697,7 +1748,11 @@ static const struct hid_blacklist {
        { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_IGNORE },
        { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1, HID_QUIRK_IGNORE },
        { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100, HID_QUIRK_IGNORE },
+       { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20, HID_QUIRK_IGNORE },
+       { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30, HID_QUIRK_IGNORE },
        { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100, HID_QUIRK_IGNORE },
+       { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108, HID_QUIRK_IGNORE },
+       { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118, HID_QUIRK_IGNORE },
        { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200, HID_QUIRK_IGNORE },
        { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300, HID_QUIRK_IGNORE },
        { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400, HID_QUIRK_IGNORE },
@@ -1719,6 +1774,7 @@ static const struct hid_blacklist {
        { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET },
        { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET },
        { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET },
+       { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
        { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
        { USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
 
@@ -1742,11 +1798,12 @@ static const struct hid_blacklist {
        { USB_VENDOR_ID_APPLE, 0x020E, HID_QUIRK_POWERBOOK_HAS_FN },
        { USB_VENDOR_ID_APPLE, 0x020F, HID_QUIRK_POWERBOOK_HAS_FN },
        { USB_VENDOR_ID_APPLE, 0x0214, HID_QUIRK_POWERBOOK_HAS_FN },
-       { USB_VENDOR_ID_APPLE, 0x0215, HID_QUIRK_POWERBOOK_HAS_FN },
+       { USB_VENDOR_ID_APPLE, 0x0215, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD},
        { USB_VENDOR_ID_APPLE, 0x0216, HID_QUIRK_POWERBOOK_HAS_FN },
        { USB_VENDOR_ID_APPLE, 0x0217, HID_QUIRK_POWERBOOK_HAS_FN },
-       { USB_VENDOR_ID_APPLE, 0x0218, HID_QUIRK_POWERBOOK_HAS_FN },
+       { USB_VENDOR_ID_APPLE, 0x0218, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD},
        { USB_VENDOR_ID_APPLE, 0x0219, HID_QUIRK_POWERBOOK_HAS_FN },
+       { USB_VENDOR_ID_APPLE, 0x021B, HID_QUIRK_POWERBOOK_HAS_FN },
        { USB_VENDOR_ID_APPLE, 0x030A, HID_QUIRK_POWERBOOK_HAS_FN },
        { USB_VENDOR_ID_APPLE, 0x030B, HID_QUIRK_POWERBOOK_HAS_FN },
 
@@ -1755,6 +1812,8 @@ static const struct hid_blacklist {
        { USB_VENDOR_ID_PANJIT, 0x0003, HID_QUIRK_IGNORE },
        { USB_VENDOR_ID_PANJIT, 0x0004, HID_QUIRK_IGNORE },
 
+       { USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET },
+       
        { 0, 0 }
 };
 
@@ -1957,7 +2016,7 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf)
 
        init_waitqueue_head(&hid->wait);
 
-       INIT_WORK(&hid->reset_work, hid_reset, hid);
+       INIT_WORK(&hid->reset_work, hid_reset);
        setup_timer(&hid->io_retry, hid_retry_timeout, (unsigned long) hid);
 
        spin_lock_init(&hid->inlock);