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Diffstat (limited to 'drivers/hid/hid-wiimote.h')
-rw-r--r--drivers/hid/hid-wiimote.h217
1 files changed, 190 insertions, 27 deletions
diff --git a/drivers/hid/hid-wiimote.h b/drivers/hid/hid-wiimote.h
index c81dbeb086c5..f1474f372c0b 100644
--- a/drivers/hid/hid-wiimote.h
+++ b/drivers/hid/hid-wiimote.h
@@ -2,8 +2,8 @@
#define __HID_WIIMOTE_H
/*
- * HID driver for Nintendo Wiimote devices
- * Copyright (c) 2011 David Herrmann
+ * HID driver for Nintendo Wii / Wii U peripherals
+ * Copyright (c) 2011-2013 David Herrmann <dh.herrmann@gmail.com>
*/
/*
@@ -22,6 +22,7 @@
#include <linux/mutex.h>
#include <linux/power_supply.h>
#include <linux/spinlock.h>
+#include <linux/timer.h>
#define WIIMOTE_NAME "Nintendo Wii Remote"
#define WIIMOTE_BUFSIZE 32
@@ -35,6 +36,17 @@
#define WIIPROTO_FLAG_IR_BASIC 0x40
#define WIIPROTO_FLAG_IR_EXT 0x80
#define WIIPROTO_FLAG_IR_FULL 0xc0 /* IR_BASIC | IR_EXT */
+#define WIIPROTO_FLAG_EXT_PLUGGED 0x0100
+#define WIIPROTO_FLAG_EXT_USED 0x0200
+#define WIIPROTO_FLAG_EXT_ACTIVE 0x0400
+#define WIIPROTO_FLAG_MP_PLUGGED 0x0800
+#define WIIPROTO_FLAG_MP_USED 0x1000
+#define WIIPROTO_FLAG_MP_ACTIVE 0x2000
+#define WIIPROTO_FLAG_EXITING 0x4000
+#define WIIPROTO_FLAG_DRM_LOCKED 0x8000
+#define WIIPROTO_FLAG_BUILTIN_MP 0x010000
+#define WIIPROTO_FLAG_NO_MP 0x020000
+
#define WIIPROTO_FLAGS_LEDS (WIIPROTO_FLAG_LED1 | WIIPROTO_FLAG_LED2 | \
WIIPROTO_FLAG_LED3 | WIIPROTO_FLAG_LED4)
#define WIIPROTO_FLAGS_IR (WIIPROTO_FLAG_IR_BASIC | WIIPROTO_FLAG_IR_EXT | \
@@ -43,16 +55,71 @@
/* return flag for led \num */
#define WIIPROTO_FLAG_LED(num) (WIIPROTO_FLAG_LED1 << (num - 1))
+enum wiiproto_keys {
+ WIIPROTO_KEY_LEFT,
+ WIIPROTO_KEY_RIGHT,
+ WIIPROTO_KEY_UP,
+ WIIPROTO_KEY_DOWN,
+ WIIPROTO_KEY_PLUS,
+ WIIPROTO_KEY_MINUS,
+ WIIPROTO_KEY_ONE,
+ WIIPROTO_KEY_TWO,
+ WIIPROTO_KEY_A,
+ WIIPROTO_KEY_B,
+ WIIPROTO_KEY_HOME,
+ WIIPROTO_KEY_COUNT
+};
+
+enum wiimote_devtype {
+ WIIMOTE_DEV_PENDING,
+ WIIMOTE_DEV_UNKNOWN,
+ WIIMOTE_DEV_GENERIC,
+ WIIMOTE_DEV_GEN10,
+ WIIMOTE_DEV_GEN20,
+ WIIMOTE_DEV_BALANCE_BOARD,
+ WIIMOTE_DEV_PRO_CONTROLLER,
+ WIIMOTE_DEV_NUM,
+};
+
+enum wiimote_exttype {
+ WIIMOTE_EXT_NONE,
+ WIIMOTE_EXT_UNKNOWN,
+ WIIMOTE_EXT_NUNCHUK,
+ WIIMOTE_EXT_CLASSIC_CONTROLLER,
+ WIIMOTE_EXT_BALANCE_BOARD,
+ WIIMOTE_EXT_PRO_CONTROLLER,
+ WIIMOTE_EXT_NUM,
+};
+
+enum wiimote_mptype {
+ WIIMOTE_MP_NONE,
+ WIIMOTE_MP_UNKNOWN,
+ WIIMOTE_MP_SINGLE,
+ WIIMOTE_MP_PASSTHROUGH_NUNCHUK,
+ WIIMOTE_MP_PASSTHROUGH_CLASSIC,
+};
+
struct wiimote_buf {
__u8 data[HID_MAX_BUFFER_SIZE];
size_t size;
};
+struct wiimote_queue {
+ spinlock_t lock;
+ struct work_struct worker;
+ __u8 head;
+ __u8 tail;
+ struct wiimote_buf outq[WIIMOTE_BUFSIZE];
+};
+
struct wiimote_state {
spinlock_t lock;
- __u8 flags;
+ __u32 flags;
__u8 accel_split[2];
__u8 drm;
+ __u8 devtype;
+ __u8 exttype;
+ __u8 mp;
/* synchronous cmd requests */
struct mutex sync;
@@ -65,6 +132,9 @@ struct wiimote_state {
__u8 cmd_err;
__u8 *cmd_read_buf;
__u8 cmd_read_size;
+
+ /* calibration data */
+ __u16 calib_bboard[4][3];
};
struct wiimote_data {
@@ -74,18 +144,63 @@ struct wiimote_data {
struct input_dev *accel;
struct input_dev *ir;
struct power_supply battery;
- struct wiimote_ext *ext;
+ struct input_dev *mp;
+ struct timer_list timer;
struct wiimote_debug *debug;
- spinlock_t qlock;
- __u8 head;
- __u8 tail;
- struct wiimote_buf outq[WIIMOTE_BUFSIZE];
- struct work_struct worker;
+ union {
+ struct input_dev *input;
+ } extension;
+ struct wiimote_queue queue;
struct wiimote_state state;
+ struct work_struct init_worker;
+};
+
+/* wiimote modules */
+
+enum wiimod_module {
+ WIIMOD_KEYS,
+ WIIMOD_RUMBLE,
+ WIIMOD_BATTERY,
+ WIIMOD_LED1,
+ WIIMOD_LED2,
+ WIIMOD_LED3,
+ WIIMOD_LED4,
+ WIIMOD_ACCEL,
+ WIIMOD_IR,
+ WIIMOD_BUILTIN_MP,
+ WIIMOD_NO_MP,
+ WIIMOD_NUM,
+ WIIMOD_NULL = WIIMOD_NUM,
+};
+
+#define WIIMOD_FLAG_INPUT 0x0001
+#define WIIMOD_FLAG_EXT8 0x0002
+#define WIIMOD_FLAG_EXT16 0x0004
+
+struct wiimod_ops {
+ __u16 flags;
+ unsigned long arg;
+ int (*probe) (const struct wiimod_ops *ops,
+ struct wiimote_data *wdata);
+ void (*remove) (const struct wiimod_ops *ops,
+ struct wiimote_data *wdata);
+
+ void (*in_keys) (struct wiimote_data *wdata, const __u8 *keys);
+ void (*in_accel) (struct wiimote_data *wdata, const __u8 *accel);
+ void (*in_ir) (struct wiimote_data *wdata, const __u8 *ir, bool packed,
+ unsigned int id);
+ void (*in_mp) (struct wiimote_data *wdata, const __u8 *mp);
+ void (*in_ext) (struct wiimote_data *wdata, const __u8 *ext);
};
+extern const struct wiimod_ops *wiimod_table[WIIMOD_NUM];
+extern const struct wiimod_ops *wiimod_ext_table[WIIMOTE_EXT_NUM];
+extern const struct wiimod_ops wiimod_mp;
+
+/* wiimote requests */
+
enum wiiproto_reqs {
WIIPROTO_REQ_NULL = 0x0,
WIIPROTO_REQ_RUMBLE = 0x10,
@@ -99,24 +214,55 @@ enum wiiproto_reqs {
WIIPROTO_REQ_STATUS = 0x20,
WIIPROTO_REQ_DATA = 0x21,
WIIPROTO_REQ_RETURN = 0x22,
+
+ /* DRM_K: BB*2 */
WIIPROTO_REQ_DRM_K = 0x30,
+
+ /* DRM_KA: BB*2 AA*3 */
WIIPROTO_REQ_DRM_KA = 0x31,
+
+ /* DRM_KE: BB*2 EE*8 */
WIIPROTO_REQ_DRM_KE = 0x32,
+
+ /* DRM_KAI: BB*2 AA*3 II*12 */
WIIPROTO_REQ_DRM_KAI = 0x33,
+
+ /* DRM_KEE: BB*2 EE*19 */
WIIPROTO_REQ_DRM_KEE = 0x34,
+
+ /* DRM_KAE: BB*2 AA*3 EE*16 */
WIIPROTO_REQ_DRM_KAE = 0x35,
+
+ /* DRM_KIE: BB*2 II*10 EE*9 */
WIIPROTO_REQ_DRM_KIE = 0x36,
+
+ /* DRM_KAIE: BB*2 AA*3 II*10 EE*6 */
WIIPROTO_REQ_DRM_KAIE = 0x37,
+
+ /* DRM_E: EE*21 */
WIIPROTO_REQ_DRM_E = 0x3d,
+
+ /* DRM_SKAI1: BB*2 AA*1 II*18 */
WIIPROTO_REQ_DRM_SKAI1 = 0x3e,
+
+ /* DRM_SKAI2: BB*2 AA*1 II*18 */
WIIPROTO_REQ_DRM_SKAI2 = 0x3f,
+
WIIPROTO_REQ_MAX
};
#define dev_to_wii(pdev) hid_get_drvdata(container_of(pdev, struct hid_device, \
dev))
+void __wiimote_schedule(struct wiimote_data *wdata);
+
extern void wiiproto_req_drm(struct wiimote_data *wdata, __u8 drm);
+extern void wiiproto_req_rumble(struct wiimote_data *wdata, __u8 rumble);
+extern void wiiproto_req_leds(struct wiimote_data *wdata, int leds);
+extern void wiiproto_req_status(struct wiimote_data *wdata);
+extern void wiiproto_req_accel(struct wiimote_data *wdata, __u8 accel);
+extern void wiiproto_req_ir1(struct wiimote_data *wdata, __u8 flags);
+extern void wiiproto_req_ir2(struct wiimote_data *wdata, __u8 flags);
extern int wiimote_cmd_write(struct wiimote_data *wdata, __u32 offset,
const __u8 *wmem, __u8 size);
extern ssize_t wiimote_cmd_read(struct wiimote_data *wdata, __u32 offset,
@@ -129,24 +275,6 @@ extern ssize_t wiimote_cmd_read(struct wiimote_data *wdata, __u32 offset,
extern void wiiproto_req_rmem(struct wiimote_data *wdata, bool eeprom,
__u32 offset, __u16 size);
-#ifdef CONFIG_HID_WIIMOTE_EXT
-
-extern int wiiext_init(struct wiimote_data *wdata);
-extern void wiiext_deinit(struct wiimote_data *wdata);
-extern void wiiext_event(struct wiimote_data *wdata, bool plugged);
-extern bool wiiext_active(struct wiimote_data *wdata);
-extern void wiiext_handle(struct wiimote_data *wdata, const __u8 *payload);
-
-#else
-
-static inline int wiiext_init(void *u) { return 0; }
-static inline void wiiext_deinit(void *u) { }
-static inline void wiiext_event(void *u, bool p) { }
-static inline bool wiiext_active(void *u) { return false; }
-static inline void wiiext_handle(void *u, const __u8 *p) { }
-
-#endif
-
#ifdef CONFIG_DEBUG_FS
extern int wiidebug_init(struct wiimote_data *wdata);
@@ -173,11 +301,26 @@ static inline void wiimote_cmd_complete(struct wiimote_data *wdata)
complete(&wdata->state.ready);
}
+/* requires the state.lock spinlock to be held */
+static inline void wiimote_cmd_abort(struct wiimote_data *wdata)
+{
+ /* Abort synchronous request by waking up the sleeping caller. But
+ * reset the state.cmd field to an invalid value so no further event
+ * handlers will work with it. */
+ wdata->state.cmd = WIIPROTO_REQ_MAX;
+ complete(&wdata->state.ready);
+}
+
static inline int wiimote_cmd_acquire(struct wiimote_data *wdata)
{
return mutex_lock_interruptible(&wdata->state.sync) ? -ERESTARTSYS : 0;
}
+static inline void wiimote_cmd_acquire_noint(struct wiimote_data *wdata)
+{
+ mutex_lock(&wdata->state.sync);
+}
+
/* requires the state.lock spinlock to be held */
static inline void wiimote_cmd_set(struct wiimote_data *wdata, int cmd,
__u32 opt)
@@ -196,11 +339,31 @@ static inline int wiimote_cmd_wait(struct wiimote_data *wdata)
{
int ret;
+ /* The completion acts as implicit memory barrier so we can safely
+ * assume that state.cmd is set on success/failure and isn't accessed
+ * by any other thread, anymore. */
+
ret = wait_for_completion_interruptible_timeout(&wdata->state.ready, HZ);
if (ret < 0)
return -ERESTARTSYS;
else if (ret == 0)
return -EIO;
+ else if (wdata->state.cmd != WIIPROTO_REQ_NULL)
+ return -EIO;
+ else
+ return 0;
+}
+
+static inline int wiimote_cmd_wait_noint(struct wiimote_data *wdata)
+{
+ unsigned long ret;
+
+ /* no locking needed; see wiimote_cmd_wait() */
+ ret = wait_for_completion_timeout(&wdata->state.ready, HZ);
+ if (!ret)
+ return -EIO;
+ else if (wdata->state.cmd != WIIPROTO_REQ_NULL)
+ return -EIO;
else
return 0;
}