2 * USB ATI Remote support
4 * Copyright (c) 2011 Anssi Hannula <anssi.hannula@iki.fi>
5 * Version 2.2.0 Copyright (c) 2004 Torrey Hoffman <thoffman@arnor.net>
6 * Version 2.1.1 Copyright (c) 2002 Vladimir Dergachev
8 * This 2.2.0 version is a rewrite / cleanup of the 2.1.1 driver, including
9 * porting to the 2.6 kernel interfaces, along with other modification
10 * to better match the style of the existing usb/input drivers. However, the
11 * protocol and hardware handling is essentially unchanged from 2.1.1.
13 * The 2.1.1 driver was derived from the usbati_remote and usbkbd drivers by
18 * Feb 2004: Torrey Hoffman <thoffman@arnor.net>
20 * Jun 2004: Torrey Hoffman <thoffman@arnor.net>
22 * Added key repeat support contributed by:
23 * Vincent Vanackere <vanackere@lif.univ-mrs.fr>
24 * Added support for the "Lola" remote contributed by:
25 * Seth Cohn <sethcohn@yahoo.com>
27 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
29 * This program is free software; you can redistribute it and/or modify
30 * it under the terms of the GNU General Public License as published by
31 * the Free Software Foundation; either version 2 of the License, or
32 * (at your option) any later version.
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
43 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
45 * Hardware & software notes
47 * These remote controls are distributed by ATI as part of their
48 * "All-In-Wonder" video card packages. The receiver self-identifies as a
49 * "USB Receiver" with manufacturer "X10 Wireless Technology Inc".
51 * The "Lola" remote is available from X10. See:
52 * http://www.x10.com/products/lola_sg1.htm
53 * The Lola is similar to the ATI remote but has no mouse support, and slightly
56 * It is possible to use multiple receivers and remotes on multiple computers
57 * simultaneously by configuring them to use specific channels.
59 * The RF protocol used by the remote supports 16 distinct channels, 1 to 16.
60 * Actually, it may even support more, at least in some revisions of the
63 * Each remote can be configured to transmit on one channel as follows:
64 * - Press and hold the "hand icon" button.
65 * - When the red LED starts to blink, let go of the "hand icon" button.
66 * - When it stops blinking, input the channel code as two digits, from 01
67 * to 16, and press the hand icon again.
69 * The timing can be a little tricky. Try loading the module with debug=1
70 * to have the kernel print out messages about the remote control number
71 * and mask. Note: debugging prints remote numbers as zero-based hexadecimal.
73 * The driver has a "channel_mask" parameter. This bitmask specifies which
74 * channels will be ignored by the module. To mask out channels, just add
75 * all the 2^channel_number values together.
77 * For instance, set channel_mask = 2^4 = 16 (binary 10000) to make ati_remote
78 * ignore signals coming from remote controls transmitting on channel 4, but
79 * accept all other channels.
81 * Or, set channel_mask = 65533, (0xFFFD), and all channels except 1 will be
84 * The default is 0 (respond to all channels). Bit 0 and bits 17-32 of this
85 * parameter are unused.
89 #include <linux/kernel.h>
90 #include <linux/errno.h>
91 #include <linux/init.h>
92 #include <linux/slab.h>
93 #include <linux/module.h>
94 #include <linux/mutex.h>
95 #include <linux/usb/input.h>
96 #include <linux/wait.h>
97 #include <linux/jiffies.h>
98 #include <media/rc-core.h>
101 * Module and Version Information, Module Parameters
104 #define ATI_REMOTE_VENDOR_ID 0x0bc7
105 #define LOLA_REMOTE_PRODUCT_ID 0x0002
106 #define LOLA2_REMOTE_PRODUCT_ID 0x0003
107 #define ATI_REMOTE_PRODUCT_ID 0x0004
108 #define NVIDIA_REMOTE_PRODUCT_ID 0x0005
109 #define MEDION_REMOTE_PRODUCT_ID 0x0006
111 #define DRIVER_VERSION "2.2.1"
112 #define DRIVER_AUTHOR "Torrey Hoffman <thoffman@arnor.net>"
113 #define DRIVER_DESC "ATI/X10 RF USB Remote Control"
115 #define NAME_BUFSIZE 80 /* size of product name, path buffers */
116 #define DATA_BUFSIZE 63 /* size of URB data buffers */
119 * Duplicate event filtering time.
120 * Sequential, identical KIND_FILTERED inputs with less than
121 * FILTER_TIME milliseconds between them are considered as repeat
122 * events. The hardware generates 5 events for the first keypress
123 * and we have to take this into account for an accurate repeat
126 #define FILTER_TIME 60 /* msec */
127 #define REPEAT_DELAY 500 /* msec */
129 static unsigned long channel_mask;
130 module_param(channel_mask, ulong, 0644);
131 MODULE_PARM_DESC(channel_mask, "Bitmask of remote control channels to ignore");
134 module_param(debug, int, 0644);
135 MODULE_PARM_DESC(debug, "Enable extra debug messages and information");
137 static int repeat_filter = FILTER_TIME;
138 module_param(repeat_filter, int, 0644);
139 MODULE_PARM_DESC(repeat_filter, "Repeat filter time, default = 60 msec");
141 static int repeat_delay = REPEAT_DELAY;
142 module_param(repeat_delay, int, 0644);
143 MODULE_PARM_DESC(repeat_delay, "Delay before sending repeats, default = 500 msec");
145 static bool mouse = true;
146 module_param(mouse, bool, 0444);
147 MODULE_PARM_DESC(mouse, "Enable mouse device, default = yes");
149 #define dbginfo(dev, format, arg...) do { if (debug) dev_info(dev , format , ## arg); } while (0)
151 #define err(format, arg...) printk(KERN_ERR format , ## arg)
153 static struct usb_device_id ati_remote_table[] = {
154 { USB_DEVICE(ATI_REMOTE_VENDOR_ID, LOLA_REMOTE_PRODUCT_ID) },
155 { USB_DEVICE(ATI_REMOTE_VENDOR_ID, LOLA2_REMOTE_PRODUCT_ID) },
156 { USB_DEVICE(ATI_REMOTE_VENDOR_ID, ATI_REMOTE_PRODUCT_ID) },
157 { USB_DEVICE(ATI_REMOTE_VENDOR_ID, NVIDIA_REMOTE_PRODUCT_ID) },
158 { USB_DEVICE(ATI_REMOTE_VENDOR_ID, MEDION_REMOTE_PRODUCT_ID) },
159 {} /* Terminating entry */
162 MODULE_DEVICE_TABLE(usb, ati_remote_table);
164 /* Get hi and low bytes of a 16-bits int */
165 #define HI(a) ((unsigned char)((a) >> 8))
166 #define LO(a) ((unsigned char)((a) & 0xff))
168 #define SEND_FLAG_IN_PROGRESS 1
169 #define SEND_FLAG_COMPLETE 2
171 /* Device initialization strings */
172 static char init1[] = { 0x01, 0x00, 0x20, 0x14 };
173 static char init2[] = { 0x01, 0x00, 0x20, 0x14, 0x20, 0x20, 0x20 };
176 struct input_dev *idev;
178 struct usb_device *udev;
179 struct usb_interface *interface;
183 struct usb_endpoint_descriptor *endpoint_in;
184 struct usb_endpoint_descriptor *endpoint_out;
185 unsigned char *inbuf;
186 unsigned char *outbuf;
187 dma_addr_t inbuf_dma;
188 dma_addr_t outbuf_dma;
190 unsigned char old_data[2]; /* Detect duplicate events */
191 unsigned long old_jiffies;
192 unsigned long acc_jiffies; /* handle acceleration */
193 unsigned long first_jiffies;
195 unsigned int repeat_count;
197 char rc_name[NAME_BUFSIZE];
198 char rc_phys[NAME_BUFSIZE];
199 char mouse_name[NAME_BUFSIZE];
200 char mouse_phys[NAME_BUFSIZE];
202 wait_queue_head_t wait;
205 int users; /* 0-2, users are rc and input */
206 struct mutex open_mutex;
209 /* "Kinds" of messages sent from the hardware to the driver. */
211 #define KIND_LITERAL 1 /* Simply pass to input system */
212 #define KIND_FILTERED 2 /* Add artificial key-up events, drop keyrepeats */
213 #define KIND_LU 3 /* Directional keypad diagonals - left up, */
214 #define KIND_RU 4 /* right up, */
215 #define KIND_LD 5 /* left down, */
216 #define KIND_RD 6 /* right down */
217 #define KIND_ACCEL 7 /* Directional keypad - left, right, up, down.*/
219 /* Translation table from hardware messages to input events. */
220 static const struct {
222 unsigned char data1, data2;
226 } ati_remote_tbl[] = {
227 /* Directional control pad axes */
228 {KIND_ACCEL, 0x35, 0x70, EV_REL, REL_X, -1}, /* left */
229 {KIND_ACCEL, 0x36, 0x71, EV_REL, REL_X, 1}, /* right */
230 {KIND_ACCEL, 0x37, 0x72, EV_REL, REL_Y, -1}, /* up */
231 {KIND_ACCEL, 0x38, 0x73, EV_REL, REL_Y, 1}, /* down */
232 /* Directional control pad diagonals */
233 {KIND_LU, 0x39, 0x74, EV_REL, 0, 0}, /* left up */
234 {KIND_RU, 0x3a, 0x75, EV_REL, 0, 0}, /* right up */
235 {KIND_LD, 0x3c, 0x77, EV_REL, 0, 0}, /* left down */
236 {KIND_RD, 0x3b, 0x76, EV_REL, 0, 0}, /* right down */
238 /* "Mouse button" buttons */
239 {KIND_LITERAL, 0x3d, 0x78, EV_KEY, BTN_LEFT, 1}, /* left btn down */
240 {KIND_LITERAL, 0x3e, 0x79, EV_KEY, BTN_LEFT, 0}, /* left btn up */
241 {KIND_LITERAL, 0x41, 0x7c, EV_KEY, BTN_RIGHT, 1},/* right btn down */
242 {KIND_LITERAL, 0x42, 0x7d, EV_KEY, BTN_RIGHT, 0},/* right btn up */
244 /* Artificial "doubleclick" events are generated by the hardware.
245 * They are mapped to the "side" and "extra" mouse buttons here. */
246 {KIND_FILTERED, 0x3f, 0x7a, EV_KEY, BTN_SIDE, 1}, /* left dblclick */
247 {KIND_FILTERED, 0x43, 0x7e, EV_KEY, BTN_EXTRA, 1},/* right dblclick */
249 /* Non-mouse events are handled by rc-core */
250 {KIND_END, 0x00, 0x00, EV_MAX + 1, 0, 0}
253 /* Local function prototypes */
254 static int ati_remote_sendpacket (struct ati_remote *ati_remote, u16 cmd, unsigned char *data);
255 static void ati_remote_irq_out (struct urb *urb);
256 static void ati_remote_irq_in (struct urb *urb);
257 static void ati_remote_input_report (struct urb *urb);
258 static int ati_remote_initialize (struct ati_remote *ati_remote);
259 static int ati_remote_probe (struct usb_interface *interface, const struct usb_device_id *id);
260 static void ati_remote_disconnect (struct usb_interface *interface);
262 /* usb specific object to register with the usb subsystem */
263 static struct usb_driver ati_remote_driver = {
264 .name = "ati_remote",
265 .probe = ati_remote_probe,
266 .disconnect = ati_remote_disconnect,
267 .id_table = ati_remote_table,
271 * ati_remote_dump_input
273 static void ati_remote_dump(struct device *dev, unsigned char *data,
277 if (data[0] != (unsigned char)0xff && data[0] != 0x00)
278 dev_warn(dev, "Weird byte 0x%02x\n", data[0]);
280 dev_warn(dev, "Weird key %02x %02x %02x %02x\n",
281 data[0], data[1], data[2], data[3]);
283 dev_warn(dev, "Weird data, len=%d %02x %02x %02x %02x %02x %02x ...\n",
284 len, data[0], data[1], data[2], data[3], data[4], data[5]);
290 static int ati_remote_open(struct ati_remote *ati_remote)
294 mutex_lock(&ati_remote->open_mutex);
296 if (ati_remote->users++ != 0)
297 goto out; /* one was already active */
299 /* On first open, submit the read urb which was set up previously. */
300 ati_remote->irq_urb->dev = ati_remote->udev;
301 if (usb_submit_urb(ati_remote->irq_urb, GFP_KERNEL)) {
302 dev_err(&ati_remote->interface->dev,
303 "%s: usb_submit_urb failed!\n", __func__);
307 out: mutex_unlock(&ati_remote->open_mutex);
314 static void ati_remote_close(struct ati_remote *ati_remote)
316 mutex_lock(&ati_remote->open_mutex);
317 if (--ati_remote->users == 0)
318 usb_kill_urb(ati_remote->irq_urb);
319 mutex_unlock(&ati_remote->open_mutex);
322 static int ati_remote_input_open(struct input_dev *inputdev)
324 struct ati_remote *ati_remote = input_get_drvdata(inputdev);
325 return ati_remote_open(ati_remote);
328 static void ati_remote_input_close(struct input_dev *inputdev)
330 struct ati_remote *ati_remote = input_get_drvdata(inputdev);
331 ati_remote_close(ati_remote);
334 static int ati_remote_rc_open(struct rc_dev *rdev)
336 struct ati_remote *ati_remote = rdev->priv;
337 return ati_remote_open(ati_remote);
340 static void ati_remote_rc_close(struct rc_dev *rdev)
342 struct ati_remote *ati_remote = rdev->priv;
343 ati_remote_close(ati_remote);
349 static void ati_remote_irq_out(struct urb *urb)
351 struct ati_remote *ati_remote = urb->context;
354 dev_dbg(&ati_remote->interface->dev, "%s: status %d\n",
355 __func__, urb->status);
359 ati_remote->send_flags |= SEND_FLAG_COMPLETE;
361 wake_up(&ati_remote->wait);
365 * ati_remote_sendpacket
367 * Used to send device initialization strings
369 static int ati_remote_sendpacket(struct ati_remote *ati_remote, u16 cmd, unsigned char *data)
374 memcpy(ati_remote->out_urb->transfer_buffer + 1, data, LO(cmd));
375 ((char *) ati_remote->out_urb->transfer_buffer)[0] = HI(cmd);
377 ati_remote->out_urb->transfer_buffer_length = LO(cmd) + 1;
378 ati_remote->out_urb->dev = ati_remote->udev;
379 ati_remote->send_flags = SEND_FLAG_IN_PROGRESS;
381 retval = usb_submit_urb(ati_remote->out_urb, GFP_ATOMIC);
383 dev_dbg(&ati_remote->interface->dev,
384 "sendpacket: usb_submit_urb failed: %d\n", retval);
388 wait_event_timeout(ati_remote->wait,
389 ((ati_remote->out_urb->status != -EINPROGRESS) ||
390 (ati_remote->send_flags & SEND_FLAG_COMPLETE)),
392 usb_kill_urb(ati_remote->out_urb);
398 * ati_remote_event_lookup
400 static int ati_remote_event_lookup(int rem, unsigned char d1, unsigned char d2)
404 for (i = 0; ati_remote_tbl[i].kind != KIND_END; i++) {
406 * Decide if the table entry matches the remote input.
408 if (ati_remote_tbl[i].data1 == d1 &&
409 ati_remote_tbl[i].data2 == d2)
417 * ati_remote_compute_accel
419 * Implements acceleration curve for directional control pad
420 * If elapsed time since last event is > 1/4 second, user "stopped",
421 * so reset acceleration. Otherwise, user is probably holding the control
422 * pad down, so we increase acceleration, ramping up over two seconds to
425 static int ati_remote_compute_accel(struct ati_remote *ati_remote)
427 static const char accel[] = { 1, 2, 4, 6, 9, 13, 20 };
428 unsigned long now = jiffies;
431 if (time_after(now, ati_remote->old_jiffies + msecs_to_jiffies(250))) {
433 ati_remote->acc_jiffies = now;
435 else if (time_before(now, ati_remote->acc_jiffies + msecs_to_jiffies(125)))
437 else if (time_before(now, ati_remote->acc_jiffies + msecs_to_jiffies(250)))
439 else if (time_before(now, ati_remote->acc_jiffies + msecs_to_jiffies(500)))
441 else if (time_before(now, ati_remote->acc_jiffies + msecs_to_jiffies(1000)))
443 else if (time_before(now, ati_remote->acc_jiffies + msecs_to_jiffies(1500)))
445 else if (time_before(now, ati_remote->acc_jiffies + msecs_to_jiffies(2000)))
454 * ati_remote_report_input
456 static void ati_remote_input_report(struct urb *urb)
458 struct ati_remote *ati_remote = urb->context;
459 unsigned char *data= ati_remote->inbuf;
460 struct input_dev *dev = ati_remote->idev;
464 unsigned char scancode[2];
466 /* Deal with strange looking inputs */
467 if ( (urb->actual_length != 4) || (data[0] != 0x14) ||
468 ((data[3] & 0x0f) != 0x00) ) {
469 ati_remote_dump(&urb->dev->dev, data, urb->actual_length);
473 /* Mask unwanted remote channels. */
474 /* note: remote_num is 0-based, channel 1 on remote == 0 here */
475 remote_num = (data[3] >> 4) & 0x0f;
476 if (channel_mask & (1 << (remote_num + 1))) {
477 dbginfo(&ati_remote->interface->dev,
478 "Masked input from channel 0x%02x: data %02x,%02x, mask= 0x%02lx\n",
479 remote_num, data[1], data[2], channel_mask);
483 scancode[0] = (((data[1] - ((remote_num + 1) << 4)) & 0xf0) | (data[1] & 0x0f));
485 scancode[1] = data[2];
487 /* Look up event code index in mouse translation table. */
488 index = ati_remote_event_lookup(remote_num, scancode[0], scancode[1]);
491 dbginfo(&ati_remote->interface->dev,
492 "channel 0x%02x; mouse data %02x,%02x; index %d; keycode %d\n",
493 remote_num, data[1], data[2], index, ati_remote_tbl[index].code);
495 return; /* no mouse device */
497 dbginfo(&ati_remote->interface->dev,
498 "channel 0x%02x; key data %02x,%02x, scancode %02x,%02x\n",
499 remote_num, data[1], data[2], scancode[0], scancode[1]);
502 if (index >= 0 && ati_remote_tbl[index].kind == KIND_LITERAL) {
503 input_event(dev, ati_remote_tbl[index].type,
504 ati_remote_tbl[index].code,
505 ati_remote_tbl[index].value);
508 ati_remote->old_jiffies = jiffies;
512 if (index < 0 || ati_remote_tbl[index].kind == KIND_FILTERED) {
513 unsigned long now = jiffies;
515 /* Filter duplicate events which happen "too close" together. */
516 if (ati_remote->old_data[0] == data[1] &&
517 ati_remote->old_data[1] == data[2] &&
518 time_before(now, ati_remote->old_jiffies +
519 msecs_to_jiffies(repeat_filter))) {
520 ati_remote->repeat_count++;
522 ati_remote->repeat_count = 0;
523 ati_remote->first_jiffies = now;
526 ati_remote->old_data[0] = data[1];
527 ati_remote->old_data[1] = data[2];
528 ati_remote->old_jiffies = now;
530 /* Ensure we skip at least the 4 first duplicate events (generated
531 * by a single keypress), and continue skipping until repeat_delay
534 if (ati_remote->repeat_count > 0 &&
535 (ati_remote->repeat_count < 5 ||
536 time_before(now, ati_remote->first_jiffies +
537 msecs_to_jiffies(repeat_delay))))
541 /* Not a mouse event, hand it to rc-core. */
542 u32 rc_code = (scancode[0] << 8) | scancode[1];
545 * We don't use the rc-core repeat handling yet as
546 * it would cause ghost repeats which would be a
547 * regression for this driver.
549 rc_keydown_notimeout(ati_remote->rdev, rc_code, 0);
550 rc_keyup(ati_remote->rdev);
554 input_event(dev, ati_remote_tbl[index].type,
555 ati_remote_tbl[index].code, 1);
557 input_event(dev, ati_remote_tbl[index].type,
558 ati_remote_tbl[index].code, 0);
564 * Other event kinds are from the directional control pad, and have an
565 * acceleration factor applied to them. Without this acceleration, the
566 * control pad is mostly unusable.
568 acc = ati_remote_compute_accel(ati_remote);
570 switch (ati_remote_tbl[index].kind) {
572 input_event(dev, ati_remote_tbl[index].type,
573 ati_remote_tbl[index].code,
574 ati_remote_tbl[index].value * acc);
577 input_report_rel(dev, REL_X, -acc);
578 input_report_rel(dev, REL_Y, -acc);
581 input_report_rel(dev, REL_X, acc);
582 input_report_rel(dev, REL_Y, -acc);
585 input_report_rel(dev, REL_X, -acc);
586 input_report_rel(dev, REL_Y, acc);
589 input_report_rel(dev, REL_X, acc);
590 input_report_rel(dev, REL_Y, acc);
593 dev_dbg(&ati_remote->interface->dev, "ati_remote kind=%d\n",
594 ati_remote_tbl[index].kind);
598 ati_remote->old_jiffies = jiffies;
599 ati_remote->old_data[0] = data[1];
600 ati_remote->old_data[1] = data[2];
607 static void ati_remote_irq_in(struct urb *urb)
609 struct ati_remote *ati_remote = urb->context;
612 switch (urb->status) {
613 case 0: /* success */
614 ati_remote_input_report(urb);
616 case -ECONNRESET: /* unlink */
619 dev_dbg(&ati_remote->interface->dev, "%s: urb error status, unlink? \n",
623 dev_dbg(&ati_remote->interface->dev, "%s: Nonzero urb status %d\n",
624 __func__, urb->status);
627 retval = usb_submit_urb(urb, GFP_ATOMIC);
629 dev_err(&ati_remote->interface->dev, "%s: usb_submit_urb()=%d\n",
634 * ati_remote_alloc_buffers
636 static int ati_remote_alloc_buffers(struct usb_device *udev,
637 struct ati_remote *ati_remote)
639 ati_remote->inbuf = usb_alloc_coherent(udev, DATA_BUFSIZE, GFP_ATOMIC,
640 &ati_remote->inbuf_dma);
641 if (!ati_remote->inbuf)
644 ati_remote->outbuf = usb_alloc_coherent(udev, DATA_BUFSIZE, GFP_ATOMIC,
645 &ati_remote->outbuf_dma);
646 if (!ati_remote->outbuf)
649 ati_remote->irq_urb = usb_alloc_urb(0, GFP_KERNEL);
650 if (!ati_remote->irq_urb)
653 ati_remote->out_urb = usb_alloc_urb(0, GFP_KERNEL);
654 if (!ati_remote->out_urb)
661 * ati_remote_free_buffers
663 static void ati_remote_free_buffers(struct ati_remote *ati_remote)
665 usb_free_urb(ati_remote->irq_urb);
666 usb_free_urb(ati_remote->out_urb);
668 usb_free_coherent(ati_remote->udev, DATA_BUFSIZE,
669 ati_remote->inbuf, ati_remote->inbuf_dma);
671 usb_free_coherent(ati_remote->udev, DATA_BUFSIZE,
672 ati_remote->outbuf, ati_remote->outbuf_dma);
675 static void ati_remote_input_init(struct ati_remote *ati_remote)
677 struct input_dev *idev = ati_remote->idev;
680 idev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
681 idev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) |
682 BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_SIDE) | BIT_MASK(BTN_EXTRA);
683 idev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y);
684 for (i = 0; ati_remote_tbl[i].kind != KIND_END; i++)
685 if (ati_remote_tbl[i].type == EV_KEY)
686 set_bit(ati_remote_tbl[i].code, idev->keybit);
688 input_set_drvdata(idev, ati_remote);
690 idev->open = ati_remote_input_open;
691 idev->close = ati_remote_input_close;
693 idev->name = ati_remote->mouse_name;
694 idev->phys = ati_remote->mouse_phys;
696 usb_to_input_id(ati_remote->udev, &idev->id);
697 idev->dev.parent = &ati_remote->interface->dev;
700 static void ati_remote_rc_init(struct ati_remote *ati_remote)
702 struct rc_dev *rdev = ati_remote->rdev;
704 rdev->priv = ati_remote;
705 rdev->driver_type = RC_DRIVER_SCANCODE;
706 rdev->allowed_protos = RC_TYPE_OTHER;
707 rdev->driver_name = "ati_remote";
709 rdev->open = ati_remote_rc_open;
710 rdev->close = ati_remote_rc_close;
712 rdev->input_name = ati_remote->rc_name;
713 rdev->input_phys = ati_remote->rc_phys;
715 usb_to_input_id(ati_remote->udev, &rdev->input_id);
716 rdev->dev.parent = &ati_remote->interface->dev;
718 rdev->map_name = RC_MAP_ATI_X10;
721 static int ati_remote_initialize(struct ati_remote *ati_remote)
723 struct usb_device *udev = ati_remote->udev;
726 init_waitqueue_head(&ati_remote->wait);
729 pipe = usb_rcvintpipe(udev, ati_remote->endpoint_in->bEndpointAddress);
730 maxp = usb_maxpacket(udev, pipe, usb_pipeout(pipe));
731 maxp = (maxp > DATA_BUFSIZE) ? DATA_BUFSIZE : maxp;
733 usb_fill_int_urb(ati_remote->irq_urb, udev, pipe, ati_remote->inbuf,
734 maxp, ati_remote_irq_in, ati_remote,
735 ati_remote->endpoint_in->bInterval);
736 ati_remote->irq_urb->transfer_dma = ati_remote->inbuf_dma;
737 ati_remote->irq_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
740 pipe = usb_sndintpipe(udev, ati_remote->endpoint_out->bEndpointAddress);
741 maxp = usb_maxpacket(udev, pipe, usb_pipeout(pipe));
742 maxp = (maxp > DATA_BUFSIZE) ? DATA_BUFSIZE : maxp;
744 usb_fill_int_urb(ati_remote->out_urb, udev, pipe, ati_remote->outbuf,
745 maxp, ati_remote_irq_out, ati_remote,
746 ati_remote->endpoint_out->bInterval);
747 ati_remote->out_urb->transfer_dma = ati_remote->outbuf_dma;
748 ati_remote->out_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
750 /* send initialization strings */
751 if ((ati_remote_sendpacket(ati_remote, 0x8004, init1)) ||
752 (ati_remote_sendpacket(ati_remote, 0x8007, init2))) {
753 dev_err(&ati_remote->interface->dev,
754 "Initializing ati_remote hardware failed.\n");
764 static int ati_remote_probe(struct usb_interface *interface, const struct usb_device_id *id)
766 struct usb_device *udev = interface_to_usbdev(interface);
767 struct usb_host_interface *iface_host = interface->cur_altsetting;
768 struct usb_endpoint_descriptor *endpoint_in, *endpoint_out;
769 struct ati_remote *ati_remote;
770 struct input_dev *input_dev;
771 struct rc_dev *rc_dev;
774 if (iface_host->desc.bNumEndpoints != 2) {
775 err("%s: Unexpected desc.bNumEndpoints\n", __func__);
779 endpoint_in = &iface_host->endpoint[0].desc;
780 endpoint_out = &iface_host->endpoint[1].desc;
782 if (!usb_endpoint_is_int_in(endpoint_in)) {
783 err("%s: Unexpected endpoint_in\n", __func__);
786 if (le16_to_cpu(endpoint_in->wMaxPacketSize) == 0) {
787 err("%s: endpoint_in message size==0? \n", __func__);
791 ati_remote = kzalloc(sizeof (struct ati_remote), GFP_KERNEL);
792 rc_dev = rc_allocate_device();
793 if (!ati_remote || !rc_dev)
796 /* Allocate URB buffers, URBs */
797 if (ati_remote_alloc_buffers(udev, ati_remote))
800 ati_remote->endpoint_in = endpoint_in;
801 ati_remote->endpoint_out = endpoint_out;
802 ati_remote->udev = udev;
803 ati_remote->rdev = rc_dev;
804 ati_remote->interface = interface;
806 usb_make_path(udev, ati_remote->rc_phys, sizeof(ati_remote->rc_phys));
807 strlcpy(ati_remote->mouse_phys, ati_remote->rc_phys,
808 sizeof(ati_remote->mouse_phys));
810 strlcat(ati_remote->rc_phys, "/input0", sizeof(ati_remote->rc_phys));
811 strlcat(ati_remote->mouse_phys, "/input1", sizeof(ati_remote->mouse_phys));
813 if (udev->manufacturer)
814 strlcpy(ati_remote->rc_name, udev->manufacturer,
815 sizeof(ati_remote->rc_name));
818 snprintf(ati_remote->rc_name, sizeof(ati_remote->rc_name),
819 "%s %s", ati_remote->rc_name, udev->product);
821 if (!strlen(ati_remote->rc_name))
822 snprintf(ati_remote->rc_name, sizeof(ati_remote->rc_name),
823 DRIVER_DESC "(%04x,%04x)",
824 le16_to_cpu(ati_remote->udev->descriptor.idVendor),
825 le16_to_cpu(ati_remote->udev->descriptor.idProduct));
827 snprintf(ati_remote->mouse_name, sizeof(ati_remote->mouse_name),
828 "%s mouse", ati_remote->rc_name);
830 ati_remote_rc_init(ati_remote);
831 mutex_init(&ati_remote->open_mutex);
833 /* Device Hardware Initialization - fills in ati_remote->idev from udev. */
834 err = ati_remote_initialize(ati_remote);
838 /* Set up and register rc device */
839 err = rc_register_device(ati_remote->rdev);
843 /* use our delay for rc_dev */
844 ati_remote->rdev->input_dev->rep[REP_DELAY] = repeat_delay;
846 /* Set up and register mouse input device */
848 input_dev = input_allocate_device();
852 ati_remote->idev = input_dev;
853 ati_remote_input_init(ati_remote);
854 err = input_register_device(input_dev);
860 usb_set_intfdata(interface, ati_remote);
863 fail5: input_free_device(input_dev);
864 fail4: rc_unregister_device(rc_dev);
866 fail3: usb_kill_urb(ati_remote->irq_urb);
867 usb_kill_urb(ati_remote->out_urb);
868 fail2: ati_remote_free_buffers(ati_remote);
869 fail1: rc_free_device(rc_dev);
875 * ati_remote_disconnect
877 static void ati_remote_disconnect(struct usb_interface *interface)
879 struct ati_remote *ati_remote;
881 ati_remote = usb_get_intfdata(interface);
882 usb_set_intfdata(interface, NULL);
884 dev_warn(&interface->dev, "%s - null device?\n", __func__);
888 usb_kill_urb(ati_remote->irq_urb);
889 usb_kill_urb(ati_remote->out_urb);
890 if (ati_remote->idev)
891 input_unregister_device(ati_remote->idev);
892 rc_unregister_device(ati_remote->rdev);
893 ati_remote_free_buffers(ati_remote);
900 static int __init ati_remote_init(void)
904 result = usb_register(&ati_remote_driver);
906 printk(KERN_ERR KBUILD_MODNAME
907 ": usb_register error #%d\n", result);
909 printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
918 static void __exit ati_remote_exit(void)
920 usb_deregister(&ati_remote_driver);
924 * module specification
927 module_init(ati_remote_init);
928 module_exit(ati_remote_exit);
930 MODULE_AUTHOR(DRIVER_AUTHOR);
931 MODULE_DESCRIPTION(DRIVER_DESC);
932 MODULE_LICENSE("GPL");