diff options
Diffstat (limited to 'drivers/usb/input/ati_remote2.c')
| -rw-r--r-- | drivers/usb/input/ati_remote2.c | 543 |
1 files changed, 0 insertions, 543 deletions
diff --git a/drivers/usb/input/ati_remote2.c b/drivers/usb/input/ati_remote2.c deleted file mode 100644 index 1031543e5c3f..000000000000 --- a/drivers/usb/input/ati_remote2.c +++ /dev/null @@ -1,543 +0,0 @@ -/* - * ati_remote2 - ATI/Philips USB RF remote driver - * - * Copyright (C) 2005 Ville Syrjala <syrjala@sci.fi> - * Copyright (C) 2007 Peter Stokes <linux@dadeos.freeserve.co.uk> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - */ - -#include <linux/usb/input.h> - -#define DRIVER_DESC "ATI/Philips USB RF remote driver" -#define DRIVER_VERSION "0.2" - -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_VERSION(DRIVER_VERSION); -MODULE_AUTHOR("Ville Syrjala <syrjala@sci.fi>"); -MODULE_LICENSE("GPL"); - -/* - * ATI Remote Wonder II Channel Configuration - * - * The remote control can by assigned one of sixteen "channels" in order to facilitate - * the use of multiple remote controls within range of each other. - * A remote's "channel" may be altered by pressing and holding the "PC" button for - * approximately 3 seconds, after which the button will slowly flash the count of the - * currently configured "channel", using the numeric keypad enter a number between 1 and - * 16 and then the "PC" button again, the button will slowly flash the count of the - * newly configured "channel". - */ - -static unsigned int channel_mask = 0xFFFF; -module_param(channel_mask, uint, 0644); -MODULE_PARM_DESC(channel_mask, "Bitmask of channels to accept <15:Channel16>...<1:Channel2><0:Channel1>"); - -static unsigned int mode_mask = 0x1F; -module_param(mode_mask, uint, 0644); -MODULE_PARM_DESC(mode_mask, "Bitmask of modes to accept <4:PC><3:AUX4><2:AUX3><1:AUX2><0:AUX1>"); - -static struct usb_device_id ati_remote2_id_table[] = { - { USB_DEVICE(0x0471, 0x0602) }, /* ATI Remote Wonder II */ - { } -}; -MODULE_DEVICE_TABLE(usb, ati_remote2_id_table); - -static struct { - int hw_code; - int key_code; -} ati_remote2_key_table[] = { - { 0x00, KEY_0 }, - { 0x01, KEY_1 }, - { 0x02, KEY_2 }, - { 0x03, KEY_3 }, - { 0x04, KEY_4 }, - { 0x05, KEY_5 }, - { 0x06, KEY_6 }, - { 0x07, KEY_7 }, - { 0x08, KEY_8 }, - { 0x09, KEY_9 }, - { 0x0c, KEY_POWER }, - { 0x0d, KEY_MUTE }, - { 0x10, KEY_VOLUMEUP }, - { 0x11, KEY_VOLUMEDOWN }, - { 0x20, KEY_CHANNELUP }, - { 0x21, KEY_CHANNELDOWN }, - { 0x28, KEY_FORWARD }, - { 0x29, KEY_REWIND }, - { 0x2c, KEY_PLAY }, - { 0x30, KEY_PAUSE }, - { 0x31, KEY_STOP }, - { 0x37, KEY_RECORD }, - { 0x38, KEY_DVD }, - { 0x39, KEY_TV }, - { 0x54, KEY_MENU }, - { 0x58, KEY_UP }, - { 0x59, KEY_DOWN }, - { 0x5a, KEY_LEFT }, - { 0x5b, KEY_RIGHT }, - { 0x5c, KEY_OK }, - { 0x78, KEY_A }, - { 0x79, KEY_B }, - { 0x7a, KEY_C }, - { 0x7b, KEY_D }, - { 0x7c, KEY_E }, - { 0x7d, KEY_F }, - { 0x82, KEY_ENTER }, - { 0x8e, KEY_VENDOR }, - { 0x96, KEY_COFFEE }, - { 0xa9, BTN_LEFT }, - { 0xaa, BTN_RIGHT }, - { 0xbe, KEY_QUESTION }, - { 0xd5, KEY_FRONT }, - { 0xd0, KEY_EDIT }, - { 0xf9, KEY_INFO }, - { (0x00 << 8) | 0x3f, KEY_PROG1 }, - { (0x01 << 8) | 0x3f, KEY_PROG2 }, - { (0x02 << 8) | 0x3f, KEY_PROG3 }, - { (0x03 << 8) | 0x3f, KEY_PROG4 }, - { (0x04 << 8) | 0x3f, KEY_PC }, - { 0, KEY_RESERVED } -}; - -struct ati_remote2 { - struct input_dev *idev; - struct usb_device *udev; - - struct usb_interface *intf[2]; - struct usb_endpoint_descriptor *ep[2]; - struct urb *urb[2]; - void *buf[2]; - dma_addr_t buf_dma[2]; - - unsigned long jiffies; - int mode; - - char name[64]; - char phys[64]; -}; - -static int ati_remote2_probe(struct usb_interface *interface, const struct usb_device_id *id); -static void ati_remote2_disconnect(struct usb_interface *interface); - -static struct usb_driver ati_remote2_driver = { - .name = "ati_remote2", - .probe = ati_remote2_probe, - .disconnect = ati_remote2_disconnect, - .id_table = ati_remote2_id_table, -}; - -static int ati_remote2_open(struct input_dev *idev) -{ - struct ati_remote2 *ar2 = input_get_drvdata(idev); - int r; - - r = usb_submit_urb(ar2->urb[0], GFP_KERNEL); - if (r) { - dev_err(&ar2->intf[0]->dev, - "%s: usb_submit_urb() = %d\n", __FUNCTION__, r); - return r; - } - r = usb_submit_urb(ar2->urb[1], GFP_KERNEL); - if (r) { - usb_kill_urb(ar2->urb[0]); - dev_err(&ar2->intf[1]->dev, - "%s: usb_submit_urb() = %d\n", __FUNCTION__, r); - return r; - } - - return 0; -} - -static void ati_remote2_close(struct input_dev *idev) -{ - struct ati_remote2 *ar2 = input_get_drvdata(idev); - - usb_kill_urb(ar2->urb[0]); - usb_kill_urb(ar2->urb[1]); -} - -static void ati_remote2_input_mouse(struct ati_remote2 *ar2) -{ - struct input_dev *idev = ar2->idev; - u8 *data = ar2->buf[0]; - int channel, mode; - - channel = data[0] >> 4; - - if (!((1 << channel) & channel_mask)) - return; - - mode = data[0] & 0x0F; - - if (mode > 4) { - dev_err(&ar2->intf[0]->dev, - "Unknown mode byte (%02x %02x %02x %02x)\n", - data[3], data[2], data[1], data[0]); - return; - } - - if (!((1 << mode) & mode_mask)) - return; - - input_event(idev, EV_REL, REL_X, (s8) data[1]); - input_event(idev, EV_REL, REL_Y, (s8) data[2]); - input_sync(idev); -} - -static int ati_remote2_lookup(unsigned int hw_code) -{ - int i; - - for (i = 0; ati_remote2_key_table[i].key_code != KEY_RESERVED; i++) - if (ati_remote2_key_table[i].hw_code == hw_code) - return i; - - return -1; -} - -static void ati_remote2_input_key(struct ati_remote2 *ar2) -{ - struct input_dev *idev = ar2->idev; - u8 *data = ar2->buf[1]; - int channel, mode, hw_code, index; - - channel = data[0] >> 4; - - if (!((1 << channel) & channel_mask)) - return; - - mode = data[0] & 0x0F; - - if (mode > 4) { - dev_err(&ar2->intf[1]->dev, - "Unknown mode byte (%02x %02x %02x %02x)\n", - data[3], data[2], data[1], data[0]); - return; - } - - hw_code = data[2]; - /* - * Mode keys (AUX1-AUX4, PC) all generate the same code byte. - * Use the mode byte to figure out which one was pressed. - */ - if (hw_code == 0x3f) { - /* - * For some incomprehensible reason the mouse pad generates - * events which look identical to the events from the last - * pressed mode key. Naturally we don't want to generate key - * events for the mouse pad so we filter out any subsequent - * events from the same mode key. - */ - if (ar2->mode == mode) - return; - - if (data[1] == 0) - ar2->mode = mode; - - hw_code |= mode << 8; - } - - if (!((1 << mode) & mode_mask)) - return; - - index = ati_remote2_lookup(hw_code); - if (index < 0) { - dev_err(&ar2->intf[1]->dev, - "Unknown code byte (%02x %02x %02x %02x)\n", - data[3], data[2], data[1], data[0]); - return; - } - - switch (data[1]) { - case 0: /* release */ - break; - case 1: /* press */ - ar2->jiffies = jiffies + msecs_to_jiffies(idev->rep[REP_DELAY]); - break; - case 2: /* repeat */ - - /* No repeat for mouse buttons. */ - if (ati_remote2_key_table[index].key_code == BTN_LEFT || - ati_remote2_key_table[index].key_code == BTN_RIGHT) - return; - - if (!time_after_eq(jiffies, ar2->jiffies)) - return; - - ar2->jiffies = jiffies + msecs_to_jiffies(idev->rep[REP_PERIOD]); - break; - default: - dev_err(&ar2->intf[1]->dev, - "Unknown state byte (%02x %02x %02x %02x)\n", - data[3], data[2], data[1], data[0]); - return; - } - - input_event(idev, EV_KEY, ati_remote2_key_table[index].key_code, data[1]); - input_sync(idev); -} - -static void ati_remote2_complete_mouse(struct urb *urb) -{ - struct ati_remote2 *ar2 = urb->context; - int r; - - switch (urb->status) { - case 0: - ati_remote2_input_mouse(ar2); - break; - case -ENOENT: - case -EILSEQ: - case -ECONNRESET: - case -ESHUTDOWN: - dev_dbg(&ar2->intf[0]->dev, - "%s(): urb status = %d\n", __FUNCTION__, urb->status); - return; - default: - dev_err(&ar2->intf[0]->dev, - "%s(): urb status = %d\n", __FUNCTION__, urb->status); - } - - r = usb_submit_urb(urb, GFP_ATOMIC); - if (r) - dev_err(&ar2->intf[0]->dev, - "%s(): usb_submit_urb() = %d\n", __FUNCTION__, r); -} - -static void ati_remote2_complete_key(struct urb *urb) -{ - struct ati_remote2 *ar2 = urb->context; - int r; - - switch (urb->status) { - case 0: - ati_remote2_input_key(ar2); - break; - case -ENOENT: - case -EILSEQ: - case -ECONNRESET: - case -ESHUTDOWN: - dev_dbg(&ar2->intf[1]->dev, - "%s(): urb status = %d\n", __FUNCTION__, urb->status); - return; - default: - dev_err(&ar2->intf[1]->dev, - "%s(): urb status = %d\n", __FUNCTION__, urb->status); - } - - r = usb_submit_urb(urb, GFP_ATOMIC); - if (r) - dev_err(&ar2->intf[1]->dev, - "%s(): usb_submit_urb() = %d\n", __FUNCTION__, r); -} - -static int ati_remote2_input_init(struct ati_remote2 *ar2) -{ - struct input_dev *idev; - int i, retval; - - idev = input_allocate_device(); - if (!idev) - return -ENOMEM; - - ar2->idev = idev; - input_set_drvdata(idev, ar2); - - idev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP) | BIT(EV_REL); - idev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_RIGHT); - idev->relbit[0] = BIT(REL_X) | BIT(REL_Y); - for (i = 0; ati_remote2_key_table[i].key_code != KEY_RESERVED; i++) - set_bit(ati_remote2_key_table[i].key_code, idev->keybit); - - idev->rep[REP_DELAY] = 250; - idev->rep[REP_PERIOD] = 33; - - idev->open = ati_remote2_open; - idev->close = ati_remote2_close; - - idev->name = ar2->name; - idev->phys = ar2->phys; - - usb_to_input_id(ar2->udev, &idev->id); - idev->dev.parent = &ar2->udev->dev; - - retval = input_register_device(idev); - if (retval) - input_free_device(idev); - - return retval; -} - -static int ati_remote2_urb_init(struct ati_remote2 *ar2) -{ - struct usb_device *udev = ar2->udev; - int i, pipe, maxp; - - for (i = 0; i < 2; i++) { - ar2->buf[i] = usb_buffer_alloc(udev, 4, GFP_KERNEL, &ar2->buf_dma[i]); - if (!ar2->buf[i]) - return -ENOMEM; - - ar2->urb[i] = usb_alloc_urb(0, GFP_KERNEL); - if (!ar2->urb[i]) - return -ENOMEM; - - pipe = usb_rcvintpipe(udev, ar2->ep[i]->bEndpointAddress); - maxp = usb_maxpacket(udev, pipe, usb_pipeout(pipe)); - maxp = maxp > 4 ? 4 : maxp; - - usb_fill_int_urb(ar2->urb[i], udev, pipe, ar2->buf[i], maxp, - i ? ati_remote2_complete_key : ati_remote2_complete_mouse, - ar2, ar2->ep[i]->bInterval); - ar2->urb[i]->transfer_dma = ar2->buf_dma[i]; - ar2->urb[i]->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; - } - - return 0; -} - -static void ati_remote2_urb_cleanup(struct ati_remote2 *ar2) -{ - int i; - - for (i = 0; i < 2; i++) { - usb_free_urb(ar2->urb[i]); - usb_buffer_free(ar2->udev, 4, ar2->buf[i], ar2->buf_dma[i]); - } -} - -static int ati_remote2_setup(struct ati_remote2 *ar2) -{ - int r, i, channel; - - /* - * Configure receiver to only accept input from remote "channel" - * channel == 0 -> Accept input from any remote channel - * channel == 1 -> Only accept input from remote channel 1 - * channel == 2 -> Only accept input from remote channel 2 - * ... - * channel == 16 -> Only accept input from remote channel 16 - */ - - channel = 0; - for (i = 0; i < 16; i++) { - if ((1 << i) & channel_mask) { - if (!(~(1 << i) & 0xFFFF & channel_mask)) - channel = i + 1; - break; - } - } - - r = usb_control_msg(ar2->udev, usb_sndctrlpipe(ar2->udev, 0), - 0x20, - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, - channel, 0x0, NULL, 0, USB_CTRL_SET_TIMEOUT); - if (r) { - dev_err(&ar2->udev->dev, "%s - failed to set channel due to error: %d\n", - __FUNCTION__, r); - return r; - } - - return 0; -} - -static int ati_remote2_probe(struct usb_interface *interface, const struct usb_device_id *id) -{ - struct usb_device *udev = interface_to_usbdev(interface); - struct usb_host_interface *alt = interface->cur_altsetting; - struct ati_remote2 *ar2; - int r; - - if (alt->desc.bInterfaceNumber) - return -ENODEV; - - ar2 = kzalloc(sizeof (struct ati_remote2), GFP_KERNEL); - if (!ar2) - return -ENOMEM; - - ar2->udev = udev; - - ar2->intf[0] = interface; - ar2->ep[0] = &alt->endpoint[0].desc; - - ar2->intf[1] = usb_ifnum_to_if(udev, 1); - r = usb_driver_claim_interface(&ati_remote2_driver, ar2->intf[1], ar2); - if (r) - goto fail1; - alt = ar2->intf[1]->cur_altsetting; - ar2->ep[1] = &alt->endpoint[0].desc; - - r = ati_remote2_urb_init(ar2); - if (r) - goto fail2; - - r = ati_remote2_setup(ar2); - if (r) - goto fail2; - - usb_make_path(udev, ar2->phys, sizeof(ar2->phys)); - strlcat(ar2->phys, "/input0", sizeof(ar2->phys)); - - strlcat(ar2->name, "ATI Remote Wonder II", sizeof(ar2->name)); - - r = ati_remote2_input_init(ar2); - if (r) - goto fail2; - - usb_set_intfdata(interface, ar2); - - return 0; - - fail2: - ati_remote2_urb_cleanup(ar2); - - usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]); - fail1: - kfree(ar2); - - return r; -} - -static void ati_remote2_disconnect(struct usb_interface *interface) -{ - struct ati_remote2 *ar2; - struct usb_host_interface *alt = interface->cur_altsetting; - - if (alt->desc.bInterfaceNumber) - return; - - ar2 = usb_get_intfdata(interface); - usb_set_intfdata(interface, NULL); - - input_unregister_device(ar2->idev); - - ati_remote2_urb_cleanup(ar2); - - usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]); - - kfree(ar2); -} - -static int __init ati_remote2_init(void) -{ - int r; - - r = usb_register(&ati_remote2_driver); - if (r) - printk(KERN_ERR "ati_remote2: usb_register() = %d\n", r); - else - printk(KERN_INFO "ati_remote2: " DRIVER_DESC " " DRIVER_VERSION "\n"); - - return r; -} - -static void __exit ati_remote2_exit(void) -{ - usb_deregister(&ati_remote2_driver); -} - -module_init(ati_remote2_init); -module_exit(ati_remote2_exit); |