mirror of
https://github.com/torvalds/linux.git
synced 2024-11-12 07:01:57 +00:00
Merge branches 'device-groups', 'logitech' and 'multitouch' into for-linus
This commit is contained in:
Jiri Kosina
commit
b3d07e0344
@ -109,23 +109,23 @@ static __u8 dfp_rdesc_fixed[] = {
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static __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
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unsigned int *rsize)
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{
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unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
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struct lg_drv_data *drv_data = (struct lg_drv_data *)hid_get_drvdata(hdev);
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if ((quirks & LG_RDESC) && *rsize >= 90 && rdesc[83] == 0x26 &&
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if ((drv_data->quirks & LG_RDESC) && *rsize >= 90 && rdesc[83] == 0x26 &&
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rdesc[84] == 0x8c && rdesc[85] == 0x02) {
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hid_info(hdev,
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"fixing up Logitech keyboard report descriptor\n");
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rdesc[84] = rdesc[89] = 0x4d;
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rdesc[85] = rdesc[90] = 0x10;
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}
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if ((quirks & LG_RDESC_REL_ABS) && *rsize >= 50 &&
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if ((drv_data->quirks & LG_RDESC_REL_ABS) && *rsize >= 50 &&
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rdesc[32] == 0x81 && rdesc[33] == 0x06 &&
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rdesc[49] == 0x81 && rdesc[50] == 0x06) {
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hid_info(hdev,
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"fixing up rel/abs in Logitech report descriptor\n");
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rdesc[33] = rdesc[50] = 0x02;
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}
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if ((quirks & LG_FF4) && *rsize >= 101 &&
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if ((drv_data->quirks & LG_FF4) && *rsize >= 101 &&
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rdesc[41] == 0x95 && rdesc[42] == 0x0B &&
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rdesc[47] == 0x05 && rdesc[48] == 0x09) {
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hid_info(hdev, "fixing up Logitech Speed Force Wireless button descriptor\n");
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@ -278,7 +278,7 @@ static int lg_input_mapping(struct hid_device *hdev, struct hid_input *hi,
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0, 0, 0, 0, 0,183,184,185,186,187,
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188,189,190,191,192,193,194, 0, 0, 0
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};
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unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
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struct lg_drv_data *drv_data = (struct lg_drv_data *)hid_get_drvdata(hdev);
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unsigned int hid = usage->hid;
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if (hdev->product == USB_DEVICE_ID_LOGITECH_RECEIVER &&
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@ -289,7 +289,7 @@ static int lg_input_mapping(struct hid_device *hdev, struct hid_input *hi,
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lg_dinovo_mapping(hi, usage, bit, max))
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return 1;
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if ((quirks & LG_WIRELESS) && lg_wireless_mapping(hi, usage, bit, max))
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if ((drv_data->quirks & LG_WIRELESS) && lg_wireless_mapping(hi, usage, bit, max))
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return 1;
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if ((hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
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@ -299,11 +299,11 @@ static int lg_input_mapping(struct hid_device *hdev, struct hid_input *hi,
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/* Special handling for Logitech Cordless Desktop */
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if (field->application == HID_GD_MOUSE) {
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if ((quirks & LG_IGNORE_DOUBLED_WHEEL) &&
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if ((drv_data->quirks & LG_IGNORE_DOUBLED_WHEEL) &&
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(hid == 7 || hid == 8))
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return -1;
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} else {
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if ((quirks & LG_EXPANDED_KEYMAP) &&
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if ((drv_data->quirks & LG_EXPANDED_KEYMAP) &&
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hid < ARRAY_SIZE(e_keymap) &&
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e_keymap[hid] != 0) {
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hid_map_usage(hi, usage, bit, max, EV_KEY,
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@ -319,13 +319,13 @@ static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi,
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struct hid_field *field, struct hid_usage *usage,
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unsigned long **bit, int *max)
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{
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unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
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struct lg_drv_data *drv_data = (struct lg_drv_data *)hid_get_drvdata(hdev);
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if ((quirks & LG_BAD_RELATIVE_KEYS) && usage->type == EV_KEY &&
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if ((drv_data->quirks & LG_BAD_RELATIVE_KEYS) && usage->type == EV_KEY &&
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(field->flags & HID_MAIN_ITEM_RELATIVE))
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field->flags &= ~HID_MAIN_ITEM_RELATIVE;
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if ((quirks & LG_DUPLICATE_USAGES) && (usage->type == EV_KEY ||
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if ((drv_data->quirks & LG_DUPLICATE_USAGES) && (usage->type == EV_KEY ||
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usage->type == EV_REL || usage->type == EV_ABS))
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clear_bit(usage->code, *bit);
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@ -335,9 +335,9 @@ static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi,
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static int lg_event(struct hid_device *hdev, struct hid_field *field,
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struct hid_usage *usage, __s32 value)
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{
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unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
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struct lg_drv_data *drv_data = (struct lg_drv_data *)hid_get_drvdata(hdev);
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if ((quirks & LG_INVERT_HWHEEL) && usage->code == REL_HWHEEL) {
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if ((drv_data->quirks & LG_INVERT_HWHEEL) && usage->code == REL_HWHEEL) {
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input_event(field->hidinput->input, usage->type, usage->code,
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-value);
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return 1;
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@ -348,13 +348,20 @@ static int lg_event(struct hid_device *hdev, struct hid_field *field,
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static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
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{
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unsigned long quirks = id->driver_data;
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unsigned int connect_mask = HID_CONNECT_DEFAULT;
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struct lg_drv_data *drv_data;
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int ret;
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hid_set_drvdata(hdev, (void *)quirks);
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drv_data = kzalloc(sizeof(struct lg_drv_data), GFP_KERNEL);
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if (!drv_data) {
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hid_err(hdev, "Insufficient memory, cannot allocate driver data\n");
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return -ENOMEM;
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}
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drv_data->quirks = id->driver_data;
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hid_set_drvdata(hdev, (void *)drv_data);
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if (quirks & LG_NOGET)
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if (drv_data->quirks & LG_NOGET)
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hdev->quirks |= HID_QUIRK_NOGET;
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ret = hid_parse(hdev);
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@ -363,7 +370,7 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
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goto err_free;
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}
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if (quirks & (LG_FF | LG_FF2 | LG_FF3 | LG_FF4))
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if (drv_data->quirks & (LG_FF | LG_FF2 | LG_FF3 | LG_FF4))
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connect_mask &= ~HID_CONNECT_FF;
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ret = hid_hw_start(hdev, connect_mask);
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@ -392,27 +399,29 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
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}
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}
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if (quirks & LG_FF)
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if (drv_data->quirks & LG_FF)
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lgff_init(hdev);
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if (quirks & LG_FF2)
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if (drv_data->quirks & LG_FF2)
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lg2ff_init(hdev);
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if (quirks & LG_FF3)
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if (drv_data->quirks & LG_FF3)
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lg3ff_init(hdev);
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if (quirks & LG_FF4)
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if (drv_data->quirks & LG_FF4)
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lg4ff_init(hdev);
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return 0;
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err_free:
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kfree(drv_data);
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return ret;
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}
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static void lg_remove(struct hid_device *hdev)
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{
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unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
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if(quirks & LG_FF4)
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struct lg_drv_data *drv_data = (struct lg_drv_data *)hid_get_drvdata(hdev);
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if (drv_data->quirks & LG_FF4)
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lg4ff_deinit(hdev);
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hid_hw_stop(hdev);
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kfree(drv_data);
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}
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static const struct hid_device_id lg_devices[] = {
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@ -1,6 +1,11 @@
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#ifndef __HID_LG_H
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#define __HID_LG_H
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struct lg_drv_data {
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unsigned long quirks;
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void *device_props; /* Device specific properties */
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};
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#ifdef CONFIG_LOGITECH_FF
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int lgff_init(struct hid_device *hdev);
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#else
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@ -1,7 +1,8 @@
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/*
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* Force feedback support for Logitech Speed Force Wireless
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* Force feedback support for Logitech Gaming Wheels
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*
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* http://wiibrew.org/wiki/Logitech_USB_steering_wheel
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* Including G27, G25, DFP, DFGT, FFEX, Momo, Momo2 &
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* Speed Force Wireless (WiiWheel)
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*
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* Copyright (c) 2010 Simon Wood <simon@mungewell.org>
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*/
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@ -51,20 +52,18 @@ static ssize_t lg4ff_range_store(struct device *dev, struct device_attribute *at
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static DEVICE_ATTR(range, S_IRWXU | S_IRWXG | S_IRWXO, lg4ff_range_show, lg4ff_range_store);
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static bool list_inited;
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struct lg4ff_device_entry {
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char *device_id; /* Use name in respective kobject structure's address as the ID */
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__u16 range;
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__u16 min_range;
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__u16 max_range;
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__u8 leds;
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#ifdef CONFIG_LEDS_CLASS
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__u8 led_state;
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struct led_classdev *led[5];
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#endif
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struct list_head list;
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void (*set_range)(struct hid_device *hid, u16 range);
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};
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static struct lg4ff_device_entry device_list;
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static const signed short lg4ff_wheel_effects[] = {
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FF_CONSTANT,
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FF_AUTOCENTER,
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@ -285,18 +284,20 @@ static void hid_lg4ff_switch_native(struct hid_device *hid, const struct lg4ff_n
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/* Read current range and display it in terminal */
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static ssize_t lg4ff_range_show(struct device *dev, struct device_attribute *attr, char *buf)
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{
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struct lg4ff_device_entry *uninitialized_var(entry);
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struct list_head *h;
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struct hid_device *hid = to_hid_device(dev);
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struct lg4ff_device_entry *entry;
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struct lg_drv_data *drv_data;
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size_t count;
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list_for_each(h, &device_list.list) {
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entry = list_entry(h, struct lg4ff_device_entry, list);
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if (strcmp(entry->device_id, (&hid->dev)->kobj.name) == 0)
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break;
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drv_data = hid_get_drvdata(hid);
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if (!drv_data) {
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hid_err(hid, "Private driver data not found!\n");
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return 0;
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}
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if (h == &device_list.list) {
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dbg_hid("Device not found!");
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entry = drv_data->device_props;
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if (!entry) {
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hid_err(hid, "Device properties not found!\n");
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return 0;
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}
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@ -308,19 +309,21 @@ static ssize_t lg4ff_range_show(struct device *dev, struct device_attribute *att
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* according to the type of the wheel */
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static ssize_t lg4ff_range_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
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{
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struct lg4ff_device_entry *uninitialized_var(entry);
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struct list_head *h;
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struct hid_device *hid = to_hid_device(dev);
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struct lg4ff_device_entry *entry;
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struct lg_drv_data *drv_data;
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__u16 range = simple_strtoul(buf, NULL, 10);
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list_for_each(h, &device_list.list) {
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entry = list_entry(h, struct lg4ff_device_entry, list);
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if (strcmp(entry->device_id, (&hid->dev)->kobj.name) == 0)
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break;
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drv_data = hid_get_drvdata(hid);
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if (!drv_data) {
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hid_err(hid, "Private driver data not found!\n");
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return 0;
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}
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if (h == &device_list.list) {
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dbg_hid("Device not found!");
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return count;
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entry = drv_data->device_props;
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if (!entry) {
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hid_err(hid, "Device properties not found!\n");
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return 0;
|
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}
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|
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if (range == 0)
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@ -336,6 +339,88 @@ static ssize_t lg4ff_range_store(struct device *dev, struct device_attribute *at
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return count;
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||||
}
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#ifdef CONFIG_LEDS_CLASS
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static void lg4ff_set_leds(struct hid_device *hid, __u8 leds)
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{
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struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
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struct hid_report *report = list_entry(report_list->next, struct hid_report, list);
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|
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report->field[0]->value[0] = 0xf8;
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report->field[0]->value[1] = 0x12;
|
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report->field[0]->value[2] = leds;
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report->field[0]->value[3] = 0x00;
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report->field[0]->value[4] = 0x00;
|
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report->field[0]->value[5] = 0x00;
|
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report->field[0]->value[6] = 0x00;
|
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usbhid_submit_report(hid, report, USB_DIR_OUT);
|
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}
|
||||
|
||||
static void lg4ff_led_set_brightness(struct led_classdev *led_cdev,
|
||||
enum led_brightness value)
|
||||
{
|
||||
struct device *dev = led_cdev->dev->parent;
|
||||
struct hid_device *hid = container_of(dev, struct hid_device, dev);
|
||||
struct lg_drv_data *drv_data = (struct lg_drv_data *)hid_get_drvdata(hid);
|
||||
struct lg4ff_device_entry *entry;
|
||||
int i, state = 0;
|
||||
|
||||
if (!drv_data) {
|
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hid_err(hid, "Device data not found.");
|
||||
return;
|
||||
}
|
||||
|
||||
entry = (struct lg4ff_device_entry *)drv_data->device_props;
|
||||
|
||||
if (!entry) {
|
||||
hid_err(hid, "Device properties not found.");
|
||||
return;
|
||||
}
|
||||
|
||||
for (i = 0; i < 5; i++) {
|
||||
if (led_cdev != entry->led[i])
|
||||
continue;
|
||||
state = (entry->led_state >> i) & 1;
|
||||
if (value == LED_OFF && state) {
|
||||
entry->led_state &= ~(1 << i);
|
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lg4ff_set_leds(hid, entry->led_state);
|
||||
} else if (value != LED_OFF && !state) {
|
||||
entry->led_state |= 1 << i;
|
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lg4ff_set_leds(hid, entry->led_state);
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static enum led_brightness lg4ff_led_get_brightness(struct led_classdev *led_cdev)
|
||||
{
|
||||
struct device *dev = led_cdev->dev->parent;
|
||||
struct hid_device *hid = container_of(dev, struct hid_device, dev);
|
||||
struct lg_drv_data *drv_data = (struct lg_drv_data *)hid_get_drvdata(hid);
|
||||
struct lg4ff_device_entry *entry;
|
||||
int i, value = 0;
|
||||
|
||||
if (!drv_data) {
|
||||
hid_err(hid, "Device data not found.");
|
||||
return LED_OFF;
|
||||
}
|
||||
|
||||
entry = (struct lg4ff_device_entry *)drv_data->device_props;
|
||||
|
||||
if (!entry) {
|
||||
hid_err(hid, "Device properties not found.");
|
||||
return LED_OFF;
|
||||
}
|
||||
|
||||
for (i = 0; i < 5; i++)
|
||||
if (led_cdev == entry->led[i]) {
|
||||
value = (entry->led_state >> i) & 1;
|
||||
break;
|
||||
}
|
||||
|
||||
return value ? LED_FULL : LED_OFF;
|
||||
}
|
||||
#endif
|
||||
|
||||
int lg4ff_init(struct hid_device *hid)
|
||||
{
|
||||
struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list);
|
||||
@ -344,6 +429,7 @@ int lg4ff_init(struct hid_device *hid)
|
||||
struct hid_report *report;
|
||||
struct hid_field *field;
|
||||
struct lg4ff_device_entry *entry;
|
||||
struct lg_drv_data *drv_data;
|
||||
struct usb_device_descriptor *udesc;
|
||||
int error, i, j;
|
||||
__u16 bcdDevice, rev_maj, rev_min;
|
||||
@ -423,28 +509,24 @@ int lg4ff_init(struct hid_device *hid)
|
||||
dev->ff->set_autocenter(dev, 0);
|
||||
}
|
||||
|
||||
/* Initialize device_list if this is the first device to handle by lg4ff */
|
||||
if (!list_inited) {
|
||||
INIT_LIST_HEAD(&device_list.list);
|
||||
list_inited = 1;
|
||||
/* Get private driver data */
|
||||
drv_data = hid_get_drvdata(hid);
|
||||
if (!drv_data) {
|
||||
hid_err(hid, "Cannot add device, private driver data not allocated\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Add the device to device_list */
|
||||
/* Initialize device properties */
|
||||
entry = kzalloc(sizeof(struct lg4ff_device_entry), GFP_KERNEL);
|
||||
if (!entry) {
|
||||
hid_err(hid, "Cannot add device, insufficient memory.\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
entry->device_id = kstrdup((&hid->dev)->kobj.name, GFP_KERNEL);
|
||||
if (!entry->device_id) {
|
||||
hid_err(hid, "Cannot set device_id, insufficient memory.\n");
|
||||
kfree(entry);
|
||||
hid_err(hid, "Cannot add device, insufficient memory to allocate device properties.\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
drv_data->device_props = entry;
|
||||
|
||||
entry->min_range = lg4ff_devices[i].min_range;
|
||||
entry->max_range = lg4ff_devices[i].max_range;
|
||||
entry->set_range = lg4ff_devices[i].set_range;
|
||||
list_add(&entry->list, &device_list.list);
|
||||
|
||||
/* Create sysfs interface */
|
||||
error = device_create_file(&hid->dev, &dev_attr_range);
|
||||
@ -457,32 +539,100 @@ int lg4ff_init(struct hid_device *hid)
|
||||
if (entry->set_range != NULL)
|
||||
entry->set_range(hid, entry->range);
|
||||
|
||||
hid_info(hid, "Force feedback for Logitech Speed Force Wireless by Simon Wood <simon@mungewell.org>\n");
|
||||
#ifdef CONFIG_LEDS_CLASS
|
||||
/* register led subsystem - G27 only */
|
||||
entry->led_state = 0;
|
||||
for (j = 0; j < 5; j++)
|
||||
entry->led[j] = NULL;
|
||||
|
||||
if (lg4ff_devices[i].product_id == USB_DEVICE_ID_LOGITECH_G27_WHEEL) {
|
||||
struct led_classdev *led;
|
||||
size_t name_sz;
|
||||
char *name;
|
||||
|
||||
lg4ff_set_leds(hid, 0);
|
||||
|
||||
name_sz = strlen(dev_name(&hid->dev)) + 8;
|
||||
|
||||
for (j = 0; j < 5; j++) {
|
||||
led = kzalloc(sizeof(struct led_classdev)+name_sz, GFP_KERNEL);
|
||||
if (!led) {
|
||||
hid_err(hid, "can't allocate memory for LED %d\n", j);
|
||||
goto err;
|
||||
}
|
||||
|
||||
name = (void *)(&led[1]);
|
||||
snprintf(name, name_sz, "%s::RPM%d", dev_name(&hid->dev), j+1);
|
||||
led->name = name;
|
||||
led->brightness = 0;
|
||||
led->max_brightness = 1;
|
||||
led->brightness_get = lg4ff_led_get_brightness;
|
||||
led->brightness_set = lg4ff_led_set_brightness;
|
||||
|
||||
entry->led[j] = led;
|
||||
error = led_classdev_register(&hid->dev, led);
|
||||
|
||||
if (error) {
|
||||
hid_err(hid, "failed to register LED %d. Aborting.\n", j);
|
||||
err:
|
||||
/* Deregister LEDs (if any) */
|
||||
for (j = 0; j < 5; j++) {
|
||||
led = entry->led[j];
|
||||
entry->led[j] = NULL;
|
||||
if (!led)
|
||||
continue;
|
||||
led_classdev_unregister(led);
|
||||
kfree(led);
|
||||
}
|
||||
goto out; /* Let the driver continue without LEDs */
|
||||
}
|
||||
}
|
||||
}
|
||||
out:
|
||||
#endif
|
||||
hid_info(hid, "Force feedback support for Logitech Gaming Wheels\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
int lg4ff_deinit(struct hid_device *hid)
|
||||
{
|
||||
bool found = 0;
|
||||
struct lg4ff_device_entry *entry;
|
||||
struct list_head *h, *g;
|
||||
list_for_each_safe(h, g, &device_list.list) {
|
||||
entry = list_entry(h, struct lg4ff_device_entry, list);
|
||||
if (strcmp(entry->device_id, (&hid->dev)->kobj.name) == 0) {
|
||||
list_del(h);
|
||||
kfree(entry->device_id);
|
||||
kfree(entry);
|
||||
found = 1;
|
||||
break;
|
||||
}
|
||||
}
|
||||
struct lg_drv_data *drv_data;
|
||||
|
||||
if (!found) {
|
||||
dbg_hid("Device entry not found!\n");
|
||||
device_remove_file(&hid->dev, &dev_attr_range);
|
||||
|
||||
drv_data = hid_get_drvdata(hid);
|
||||
if (!drv_data) {
|
||||
hid_err(hid, "Error while deinitializing device, no private driver data.\n");
|
||||
return -1;
|
||||
}
|
||||
entry = drv_data->device_props;
|
||||
if (!entry) {
|
||||
hid_err(hid, "Error while deinitializing device, no device properties data.\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
device_remove_file(&hid->dev, &dev_attr_range);
|
||||
#ifdef CONFIG_LEDS_CLASS
|
||||
{
|
||||
int j;
|
||||
struct led_classdev *led;
|
||||
|
||||
/* Deregister LEDs (if any) */
|
||||
for (j = 0; j < 5; j++) {
|
||||
|
||||
led = entry->led[j];
|
||||
entry->led[j] = NULL;
|
||||
if (!led)
|
||||
continue;
|
||||
led_classdev_unregister(led);
|
||||
kfree(led);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Deallocate memory */
|
||||
kfree(entry);
|
||||
|
||||
dbg_hid("Device successfully unregistered\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -70,9 +70,16 @@ struct mt_class {
|
||||
bool is_indirect; /* true for touchpads */
|
||||
};
|
||||
|
||||
struct mt_fields {
|
||||
unsigned usages[HID_MAX_FIELDS];
|
||||
unsigned int length;
|
||||
};
|
||||
|
||||
struct mt_device {
|
||||
struct mt_slot curdata; /* placeholder of incoming data */
|
||||
struct mt_class mtclass; /* our mt device class */
|
||||
struct mt_fields *fields; /* temporary placeholder for storing the
|
||||
multitouch fields */
|
||||
unsigned last_field_index; /* last field index of the report */
|
||||
unsigned last_slot_field; /* the last field of a slot */
|
||||
__s8 inputmode; /* InputMode HID feature, -1 if non-existent */
|
||||
@ -278,11 +285,15 @@ static void set_abs(struct input_dev *input, unsigned int code,
|
||||
input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
|
||||
}
|
||||
|
||||
static void set_last_slot_field(struct hid_usage *usage, struct mt_device *td,
|
||||
static void mt_store_field(struct hid_usage *usage, struct mt_device *td,
|
||||
struct hid_input *hi)
|
||||
{
|
||||
if (!test_bit(usage->hid, hi->input->absbit))
|
||||
td->last_slot_field = usage->hid;
|
||||
struct mt_fields *f = td->fields;
|
||||
|
||||
if (f->length >= HID_MAX_FIELDS)
|
||||
return;
|
||||
|
||||
f->usages[f->length++] = usage->hid;
|
||||
}
|
||||
|
||||
static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
|
||||
@ -333,7 +344,7 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
|
||||
cls->sn_move);
|
||||
/* touchscreen emulation */
|
||||
set_abs(hi->input, ABS_X, field, cls->sn_move);
|
||||
set_last_slot_field(usage, td, hi);
|
||||
mt_store_field(usage, td, hi);
|
||||
td->last_field_index = field->index;
|
||||
return 1;
|
||||
case HID_GD_Y:
|
||||
@ -343,7 +354,7 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
|
||||
cls->sn_move);
|
||||
/* touchscreen emulation */
|
||||
set_abs(hi->input, ABS_Y, field, cls->sn_move);
|
||||
set_last_slot_field(usage, td, hi);
|
||||
mt_store_field(usage, td, hi);
|
||||
td->last_field_index = field->index;
|
||||
return 1;
|
||||
}
|
||||
@ -352,24 +363,24 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
|
||||
case HID_UP_DIGITIZER:
|
||||
switch (usage->hid) {
|
||||
case HID_DG_INRANGE:
|
||||
set_last_slot_field(usage, td, hi);
|
||||
mt_store_field(usage, td, hi);
|
||||
td->last_field_index = field->index;
|
||||
return 1;
|
||||
case HID_DG_CONFIDENCE:
|
||||
set_last_slot_field(usage, td, hi);
|
||||
mt_store_field(usage, td, hi);
|
||||
td->last_field_index = field->index;
|
||||
return 1;
|
||||
case HID_DG_TIPSWITCH:
|
||||
hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
|
||||
input_set_capability(hi->input, EV_KEY, BTN_TOUCH);
|
||||
set_last_slot_field(usage, td, hi);
|
||||
mt_store_field(usage, td, hi);
|
||||
td->last_field_index = field->index;
|
||||
return 1;
|
||||
case HID_DG_CONTACTID:
|
||||
if (!td->maxcontacts)
|
||||
td->maxcontacts = MT_DEFAULT_MAXCONTACT;
|
||||
input_mt_init_slots(hi->input, td->maxcontacts);
|
||||
td->last_slot_field = usage->hid;
|
||||
mt_store_field(usage, td, hi);
|
||||
td->last_field_index = field->index;
|
||||
td->touches_by_report++;
|
||||
return 1;
|
||||
@ -378,7 +389,7 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
|
||||
EV_ABS, ABS_MT_TOUCH_MAJOR);
|
||||
set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
|
||||
cls->sn_width);
|
||||
set_last_slot_field(usage, td, hi);
|
||||
mt_store_field(usage, td, hi);
|
||||
td->last_field_index = field->index;
|
||||
return 1;
|
||||
case HID_DG_HEIGHT:
|
||||
@ -388,7 +399,7 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
|
||||
cls->sn_height);
|
||||
input_set_abs_params(hi->input,
|
||||
ABS_MT_ORIENTATION, 0, 1, 0, 0);
|
||||
set_last_slot_field(usage, td, hi);
|
||||
mt_store_field(usage, td, hi);
|
||||
td->last_field_index = field->index;
|
||||
return 1;
|
||||
case HID_DG_TIPPRESSURE:
|
||||
@ -399,7 +410,7 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
|
||||
/* touchscreen emulation */
|
||||
set_abs(hi->input, ABS_PRESSURE, field,
|
||||
cls->sn_pressure);
|
||||
set_last_slot_field(usage, td, hi);
|
||||
mt_store_field(usage, td, hi);
|
||||
td->last_field_index = field->index;
|
||||
return 1;
|
||||
case HID_DG_CONTACTCOUNT:
|
||||
@ -653,6 +664,16 @@ static void mt_post_parse_default_settings(struct mt_device *td)
|
||||
td->mtclass.quirks = quirks;
|
||||
}
|
||||
|
||||
static void mt_post_parse(struct mt_device *td)
|
||||
{
|
||||
struct mt_fields *f = td->fields;
|
||||
|
||||
if (td->touches_by_report > 0) {
|
||||
int field_count_per_touch = f->length / td->touches_by_report;
|
||||
td->last_slot_field = f->usages[field_count_per_touch - 1];
|
||||
}
|
||||
}
|
||||
|
||||
static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
|
||||
{
|
||||
int ret, i;
|
||||
@ -683,6 +704,13 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
|
||||
td->maxcontact_report_id = -1;
|
||||
hid_set_drvdata(hdev, td);
|
||||
|
||||
td->fields = kzalloc(sizeof(struct mt_fields), GFP_KERNEL);
|
||||
if (!td->fields) {
|
||||
dev_err(&hdev->dev, "cannot allocate multitouch fields data\n");
|
||||
ret = -ENOMEM;
|
||||
goto fail;
|
||||
}
|
||||
|
||||
ret = hid_parse(hdev);
|
||||
if (ret != 0)
|
||||
goto fail;
|
||||
@ -691,6 +719,8 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
|
||||
if (ret)
|
||||
goto fail;
|
||||
|
||||
mt_post_parse(td);
|
||||
|
||||
if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID)
|
||||
mt_post_parse_default_settings(td);
|
||||
|
||||
@ -708,9 +738,13 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
|
||||
mt_set_maxcontacts(hdev);
|
||||
mt_set_input_mode(hdev);
|
||||
|
||||
kfree(td->fields);
|
||||
td->fields = NULL;
|
||||
|
||||
return 0;
|
||||
|
||||
fail:
|
||||
kfree(td->fields);
|
||||
kfree(td);
|
||||
return ret;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user