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0083 #ifndef WACOM_H
0084 #define WACOM_H
0085 #include <linux/kernel.h>
0086 #include <linux/slab.h>
0087 #include <linux/module.h>
0088 #include <linux/mod_devicetable.h>
0089 #include <linux/hid.h>
0090 #include <linux/kfifo.h>
0091 #include <linux/leds.h>
0092 #include <linux/usb/input.h>
0093 #include <linux/power_supply.h>
0094 #include <linux/timer.h>
0095 #include <asm/unaligned.h>
0096
0097
0098
0099
0100 #define DRIVER_VERSION "v2.00"
0101 #define DRIVER_AUTHOR "Vojtech Pavlik <vojtech@ucw.cz>"
0102 #define DRIVER_DESC "USB Wacom tablet driver"
0103
0104 #define USB_VENDOR_ID_WACOM 0x056a
0105 #define USB_VENDOR_ID_LENOVO 0x17ef
0106
0107 enum wacom_worker {
0108 WACOM_WORKER_WIRELESS,
0109 WACOM_WORKER_BATTERY,
0110 WACOM_WORKER_REMOTE,
0111 WACOM_WORKER_MODE_CHANGE,
0112 };
0113
0114 struct wacom;
0115
0116 struct wacom_led {
0117 struct led_classdev cdev;
0118 struct led_trigger trigger;
0119 struct wacom *wacom;
0120 unsigned int group;
0121 unsigned int id;
0122 u8 llv;
0123 u8 hlv;
0124 bool held;
0125 };
0126
0127 struct wacom_group_leds {
0128 u8 select;
0129 struct wacom_led *leds;
0130 unsigned int count;
0131 struct device *dev;
0132 };
0133
0134 struct wacom_battery {
0135 struct wacom *wacom;
0136 struct power_supply_desc bat_desc;
0137 struct power_supply *battery;
0138 char bat_name[WACOM_NAME_MAX];
0139 int bat_status;
0140 int battery_capacity;
0141 int bat_charging;
0142 int bat_connected;
0143 int ps_connected;
0144 };
0145
0146 struct wacom_remote {
0147 spinlock_t remote_lock;
0148 struct kfifo remote_fifo;
0149 struct kobject *remote_dir;
0150 struct {
0151 struct attribute_group group;
0152 u32 serial;
0153 struct input_dev *input;
0154 bool registered;
0155 struct wacom_battery battery;
0156 } remotes[WACOM_MAX_REMOTES];
0157 };
0158
0159 struct wacom {
0160 struct usb_device *usbdev;
0161 struct usb_interface *intf;
0162 struct wacom_wac wacom_wac;
0163 struct hid_device *hdev;
0164 struct mutex lock;
0165 struct work_struct wireless_work;
0166 struct work_struct battery_work;
0167 struct work_struct remote_work;
0168 struct delayed_work init_work;
0169 struct wacom_remote *remote;
0170 struct work_struct mode_change_work;
0171 struct timer_list idleprox_timer;
0172 bool generic_has_leds;
0173 struct wacom_leds {
0174 struct wacom_group_leds *groups;
0175 unsigned int count;
0176 u8 llv;
0177 u8 hlv;
0178 u8 img_lum;
0179 u8 max_llv;
0180 u8 max_hlv;
0181 } led;
0182 struct wacom_battery battery;
0183 bool resources;
0184 };
0185
0186 static inline void wacom_schedule_work(struct wacom_wac *wacom_wac,
0187 enum wacom_worker which)
0188 {
0189 struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
0190
0191 switch (which) {
0192 case WACOM_WORKER_WIRELESS:
0193 schedule_work(&wacom->wireless_work);
0194 break;
0195 case WACOM_WORKER_BATTERY:
0196 schedule_work(&wacom->battery_work);
0197 break;
0198 case WACOM_WORKER_REMOTE:
0199 schedule_work(&wacom->remote_work);
0200 break;
0201 case WACOM_WORKER_MODE_CHANGE:
0202 schedule_work(&wacom->mode_change_work);
0203 break;
0204 }
0205 }
0206
0207
0208
0209
0210
0211
0212 static inline __u32 wacom_s32tou(s32 value, __u8 n)
0213 {
0214 switch (n) {
0215 case 8: return ((__u8)value);
0216 case 16: return ((__u16)value);
0217 case 32: return ((__u32)value);
0218 }
0219 return value & (1 << (n - 1)) ? value & (~(~0U << n)) : value;
0220 }
0221
0222 extern const struct hid_device_id wacom_ids[];
0223
0224 void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len);
0225 void wacom_setup_device_quirks(struct wacom *wacom);
0226 int wacom_setup_pen_input_capabilities(struct input_dev *input_dev,
0227 struct wacom_wac *wacom_wac);
0228 int wacom_setup_touch_input_capabilities(struct input_dev *input_dev,
0229 struct wacom_wac *wacom_wac);
0230 int wacom_setup_pad_input_capabilities(struct input_dev *input_dev,
0231 struct wacom_wac *wacom_wac);
0232 void wacom_wac_usage_mapping(struct hid_device *hdev,
0233 struct hid_field *field, struct hid_usage *usage);
0234 void wacom_wac_event(struct hid_device *hdev, struct hid_field *field,
0235 struct hid_usage *usage, __s32 value);
0236 void wacom_wac_report(struct hid_device *hdev, struct hid_report *report);
0237 void wacom_battery_work(struct work_struct *work);
0238 enum led_brightness wacom_leds_brightness_get(struct wacom_led *led);
0239 struct wacom_led *wacom_led_find(struct wacom *wacom, unsigned int group,
0240 unsigned int id);
0241 struct wacom_led *wacom_led_next(struct wacom *wacom, struct wacom_led *cur);
0242 int wacom_equivalent_usage(int usage);
0243 int wacom_initialize_leds(struct wacom *wacom);
0244 void wacom_idleprox_timeout(struct timer_list *list);
0245 #endif
