1ba0acb5eSDmitry Torokhov /* 2ba0acb5eSDmitry Torokhov * ati_remote2 - ATI/Philips USB RF remote driver 3ba0acb5eSDmitry Torokhov * 41971b9d5SVille Syrjala * Copyright (C) 2005-2008 Ville Syrjala <syrjala@sci.fi> 51971b9d5SVille Syrjala * Copyright (C) 2007-2008 Peter Stokes <linux@dadeos.co.uk> 6ba0acb5eSDmitry Torokhov * 7ba0acb5eSDmitry Torokhov * This program is free software; you can redistribute it and/or modify 8ba0acb5eSDmitry Torokhov * it under the terms of the GNU General Public License version 2 9ba0acb5eSDmitry Torokhov * as published by the Free Software Foundation. 10ba0acb5eSDmitry Torokhov */ 11ba0acb5eSDmitry Torokhov 12ba0acb5eSDmitry Torokhov #include <linux/usb/input.h> 13ba0acb5eSDmitry Torokhov 14ba0acb5eSDmitry Torokhov #define DRIVER_DESC "ATI/Philips USB RF remote driver" 151971b9d5SVille Syrjala #define DRIVER_VERSION "0.3" 16ba0acb5eSDmitry Torokhov 17ba0acb5eSDmitry Torokhov MODULE_DESCRIPTION(DRIVER_DESC); 18ba0acb5eSDmitry Torokhov MODULE_VERSION(DRIVER_VERSION); 19ba0acb5eSDmitry Torokhov MODULE_AUTHOR("Ville Syrjala <syrjala@sci.fi>"); 20ba0acb5eSDmitry Torokhov MODULE_LICENSE("GPL"); 21ba0acb5eSDmitry Torokhov 22ba0acb5eSDmitry Torokhov /* 23ba0acb5eSDmitry Torokhov * ATI Remote Wonder II Channel Configuration 24ba0acb5eSDmitry Torokhov * 25ba0acb5eSDmitry Torokhov * The remote control can by assigned one of sixteen "channels" in order to facilitate 26ba0acb5eSDmitry Torokhov * the use of multiple remote controls within range of each other. 27ba0acb5eSDmitry Torokhov * A remote's "channel" may be altered by pressing and holding the "PC" button for 28ba0acb5eSDmitry Torokhov * approximately 3 seconds, after which the button will slowly flash the count of the 29ba0acb5eSDmitry Torokhov * currently configured "channel", using the numeric keypad enter a number between 1 and 301971b9d5SVille Syrjala * 16 and then press the "PC" button again, the button will slowly flash the count of the 31ba0acb5eSDmitry Torokhov * newly configured "channel". 32ba0acb5eSDmitry Torokhov */ 33ba0acb5eSDmitry Torokhov 34ba0acb5eSDmitry Torokhov static unsigned int channel_mask = 0xFFFF; 35ba0acb5eSDmitry Torokhov module_param(channel_mask, uint, 0644); 36ba0acb5eSDmitry Torokhov MODULE_PARM_DESC(channel_mask, "Bitmask of channels to accept <15:Channel16>...<1:Channel2><0:Channel1>"); 37ba0acb5eSDmitry Torokhov 38ba0acb5eSDmitry Torokhov static unsigned int mode_mask = 0x1F; 39ba0acb5eSDmitry Torokhov module_param(mode_mask, uint, 0644); 40ba0acb5eSDmitry Torokhov MODULE_PARM_DESC(mode_mask, "Bitmask of modes to accept <4:PC><3:AUX4><2:AUX3><1:AUX2><0:AUX1>"); 41ba0acb5eSDmitry Torokhov 42ba0acb5eSDmitry Torokhov static struct usb_device_id ati_remote2_id_table[] = { 43ba0acb5eSDmitry Torokhov { USB_DEVICE(0x0471, 0x0602) }, /* ATI Remote Wonder II */ 44ba0acb5eSDmitry Torokhov { } 45ba0acb5eSDmitry Torokhov }; 46ba0acb5eSDmitry Torokhov MODULE_DEVICE_TABLE(usb, ati_remote2_id_table); 47ba0acb5eSDmitry Torokhov 48d6505ab9SVille Syrjala static DEFINE_MUTEX(ati_remote2_mutex); 49d6505ab9SVille Syrjala 50d6505ab9SVille Syrjala enum { 51d6505ab9SVille Syrjala ATI_REMOTE2_OPENED = 0x1, 52d6505ab9SVille Syrjala ATI_REMOTE2_SUSPENDED = 0x2, 53d6505ab9SVille Syrjala }; 54d6505ab9SVille Syrjala 551971b9d5SVille Syrjala enum { 561971b9d5SVille Syrjala ATI_REMOTE2_AUX1, 571971b9d5SVille Syrjala ATI_REMOTE2_AUX2, 581971b9d5SVille Syrjala ATI_REMOTE2_AUX3, 591971b9d5SVille Syrjala ATI_REMOTE2_AUX4, 601971b9d5SVille Syrjala ATI_REMOTE2_PC, 611971b9d5SVille Syrjala ATI_REMOTE2_MODES, 621971b9d5SVille Syrjala }; 631971b9d5SVille Syrjala 641971b9d5SVille Syrjala static const struct { 651971b9d5SVille Syrjala u8 hw_code; 661971b9d5SVille Syrjala u16 keycode; 67ba0acb5eSDmitry Torokhov } ati_remote2_key_table[] = { 68ba0acb5eSDmitry Torokhov { 0x00, KEY_0 }, 69ba0acb5eSDmitry Torokhov { 0x01, KEY_1 }, 70ba0acb5eSDmitry Torokhov { 0x02, KEY_2 }, 71ba0acb5eSDmitry Torokhov { 0x03, KEY_3 }, 72ba0acb5eSDmitry Torokhov { 0x04, KEY_4 }, 73ba0acb5eSDmitry Torokhov { 0x05, KEY_5 }, 74ba0acb5eSDmitry Torokhov { 0x06, KEY_6 }, 75ba0acb5eSDmitry Torokhov { 0x07, KEY_7 }, 76ba0acb5eSDmitry Torokhov { 0x08, KEY_8 }, 77ba0acb5eSDmitry Torokhov { 0x09, KEY_9 }, 78ba0acb5eSDmitry Torokhov { 0x0c, KEY_POWER }, 79ba0acb5eSDmitry Torokhov { 0x0d, KEY_MUTE }, 80ba0acb5eSDmitry Torokhov { 0x10, KEY_VOLUMEUP }, 81ba0acb5eSDmitry Torokhov { 0x11, KEY_VOLUMEDOWN }, 82ba0acb5eSDmitry Torokhov { 0x20, KEY_CHANNELUP }, 83ba0acb5eSDmitry Torokhov { 0x21, KEY_CHANNELDOWN }, 84ba0acb5eSDmitry Torokhov { 0x28, KEY_FORWARD }, 85ba0acb5eSDmitry Torokhov { 0x29, KEY_REWIND }, 86ba0acb5eSDmitry Torokhov { 0x2c, KEY_PLAY }, 87ba0acb5eSDmitry Torokhov { 0x30, KEY_PAUSE }, 88ba0acb5eSDmitry Torokhov { 0x31, KEY_STOP }, 89ba0acb5eSDmitry Torokhov { 0x37, KEY_RECORD }, 90ba0acb5eSDmitry Torokhov { 0x38, KEY_DVD }, 91ba0acb5eSDmitry Torokhov { 0x39, KEY_TV }, 921971b9d5SVille Syrjala { 0x3f, KEY_PROG1 }, /* AUX1-AUX4 and PC */ 93ba0acb5eSDmitry Torokhov { 0x54, KEY_MENU }, 94ba0acb5eSDmitry Torokhov { 0x58, KEY_UP }, 95ba0acb5eSDmitry Torokhov { 0x59, KEY_DOWN }, 96ba0acb5eSDmitry Torokhov { 0x5a, KEY_LEFT }, 97ba0acb5eSDmitry Torokhov { 0x5b, KEY_RIGHT }, 98ba0acb5eSDmitry Torokhov { 0x5c, KEY_OK }, 99ba0acb5eSDmitry Torokhov { 0x78, KEY_A }, 100ba0acb5eSDmitry Torokhov { 0x79, KEY_B }, 101ba0acb5eSDmitry Torokhov { 0x7a, KEY_C }, 102ba0acb5eSDmitry Torokhov { 0x7b, KEY_D }, 103ba0acb5eSDmitry Torokhov { 0x7c, KEY_E }, 104ba0acb5eSDmitry Torokhov { 0x7d, KEY_F }, 105ba0acb5eSDmitry Torokhov { 0x82, KEY_ENTER }, 106ba0acb5eSDmitry Torokhov { 0x8e, KEY_VENDOR }, 107ba0acb5eSDmitry Torokhov { 0x96, KEY_COFFEE }, 108ba0acb5eSDmitry Torokhov { 0xa9, BTN_LEFT }, 109ba0acb5eSDmitry Torokhov { 0xaa, BTN_RIGHT }, 110ba0acb5eSDmitry Torokhov { 0xbe, KEY_QUESTION }, 111ba0acb5eSDmitry Torokhov { 0xd0, KEY_EDIT }, 1121971b9d5SVille Syrjala { 0xd5, KEY_FRONT }, 113ba0acb5eSDmitry Torokhov { 0xf9, KEY_INFO }, 114ba0acb5eSDmitry Torokhov }; 115ba0acb5eSDmitry Torokhov 116ba0acb5eSDmitry Torokhov struct ati_remote2 { 117ba0acb5eSDmitry Torokhov struct input_dev *idev; 118ba0acb5eSDmitry Torokhov struct usb_device *udev; 119ba0acb5eSDmitry Torokhov 120ba0acb5eSDmitry Torokhov struct usb_interface *intf[2]; 121ba0acb5eSDmitry Torokhov struct usb_endpoint_descriptor *ep[2]; 122ba0acb5eSDmitry Torokhov struct urb *urb[2]; 123ba0acb5eSDmitry Torokhov void *buf[2]; 124ba0acb5eSDmitry Torokhov dma_addr_t buf_dma[2]; 125ba0acb5eSDmitry Torokhov 126ba0acb5eSDmitry Torokhov unsigned long jiffies; 127ba0acb5eSDmitry Torokhov int mode; 128ba0acb5eSDmitry Torokhov 129ba0acb5eSDmitry Torokhov char name[64]; 130ba0acb5eSDmitry Torokhov char phys[64]; 1311971b9d5SVille Syrjala 1321971b9d5SVille Syrjala /* Each mode (AUX1-AUX4 and PC) can have an independent keymap. */ 1331971b9d5SVille Syrjala u16 keycode[ATI_REMOTE2_MODES][ARRAY_SIZE(ati_remote2_key_table)]; 134d6505ab9SVille Syrjala 135d6505ab9SVille Syrjala unsigned int flags; 136ba0acb5eSDmitry Torokhov }; 137ba0acb5eSDmitry Torokhov 138ba0acb5eSDmitry Torokhov static int ati_remote2_probe(struct usb_interface *interface, const struct usb_device_id *id); 139ba0acb5eSDmitry Torokhov static void ati_remote2_disconnect(struct usb_interface *interface); 140d6505ab9SVille Syrjala static int ati_remote2_suspend(struct usb_interface *interface, pm_message_t message); 141d6505ab9SVille Syrjala static int ati_remote2_resume(struct usb_interface *interface); 142ba0acb5eSDmitry Torokhov 143ba0acb5eSDmitry Torokhov static struct usb_driver ati_remote2_driver = { 144ba0acb5eSDmitry Torokhov .name = "ati_remote2", 145ba0acb5eSDmitry Torokhov .probe = ati_remote2_probe, 146ba0acb5eSDmitry Torokhov .disconnect = ati_remote2_disconnect, 147ba0acb5eSDmitry Torokhov .id_table = ati_remote2_id_table, 148d6505ab9SVille Syrjala .suspend = ati_remote2_suspend, 149d6505ab9SVille Syrjala .resume = ati_remote2_resume, 150d6505ab9SVille Syrjala .supports_autosuspend = 1, 151ba0acb5eSDmitry Torokhov }; 152ba0acb5eSDmitry Torokhov 153d6505ab9SVille Syrjala static int ati_remote2_submit_urbs(struct ati_remote2 *ar2) 154ba0acb5eSDmitry Torokhov { 155ba0acb5eSDmitry Torokhov int r; 156ba0acb5eSDmitry Torokhov 157ba0acb5eSDmitry Torokhov r = usb_submit_urb(ar2->urb[0], GFP_KERNEL); 158ba0acb5eSDmitry Torokhov if (r) { 159ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 160d6505ab9SVille Syrjala "%s(): usb_submit_urb() = %d\n", __func__, r); 161ba0acb5eSDmitry Torokhov return r; 162ba0acb5eSDmitry Torokhov } 163ba0acb5eSDmitry Torokhov r = usb_submit_urb(ar2->urb[1], GFP_KERNEL); 164ba0acb5eSDmitry Torokhov if (r) { 165ba0acb5eSDmitry Torokhov usb_kill_urb(ar2->urb[0]); 166ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 167d6505ab9SVille Syrjala "%s(): usb_submit_urb() = %d\n", __func__, r); 168ba0acb5eSDmitry Torokhov return r; 169ba0acb5eSDmitry Torokhov } 170ba0acb5eSDmitry Torokhov 171ba0acb5eSDmitry Torokhov return 0; 172ba0acb5eSDmitry Torokhov } 173ba0acb5eSDmitry Torokhov 174d6505ab9SVille Syrjala static void ati_remote2_kill_urbs(struct ati_remote2 *ar2) 175d6505ab9SVille Syrjala { 176d6505ab9SVille Syrjala usb_kill_urb(ar2->urb[1]); 177d6505ab9SVille Syrjala usb_kill_urb(ar2->urb[0]); 178d6505ab9SVille Syrjala } 179d6505ab9SVille Syrjala 180d6505ab9SVille Syrjala static int ati_remote2_open(struct input_dev *idev) 181d6505ab9SVille Syrjala { 182d6505ab9SVille Syrjala struct ati_remote2 *ar2 = input_get_drvdata(idev); 183d6505ab9SVille Syrjala int r; 184d6505ab9SVille Syrjala 185d6505ab9SVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 186d6505ab9SVille Syrjala 187d6505ab9SVille Syrjala r = usb_autopm_get_interface(ar2->intf[0]); 188d6505ab9SVille Syrjala if (r) { 189d6505ab9SVille Syrjala dev_err(&ar2->intf[0]->dev, 190d6505ab9SVille Syrjala "%s(): usb_autopm_get_interface() = %d\n", __func__, r); 191d6505ab9SVille Syrjala goto fail1; 192d6505ab9SVille Syrjala } 193d6505ab9SVille Syrjala 194d6505ab9SVille Syrjala mutex_lock(&ati_remote2_mutex); 195d6505ab9SVille Syrjala 196d6505ab9SVille Syrjala if (!(ar2->flags & ATI_REMOTE2_SUSPENDED)) { 197d6505ab9SVille Syrjala r = ati_remote2_submit_urbs(ar2); 198d6505ab9SVille Syrjala if (r) 199d6505ab9SVille Syrjala goto fail2; 200d6505ab9SVille Syrjala } 201d6505ab9SVille Syrjala 202d6505ab9SVille Syrjala ar2->flags |= ATI_REMOTE2_OPENED; 203d6505ab9SVille Syrjala 204d6505ab9SVille Syrjala mutex_unlock(&ati_remote2_mutex); 205d6505ab9SVille Syrjala 206d6505ab9SVille Syrjala usb_autopm_put_interface(ar2->intf[0]); 207d6505ab9SVille Syrjala 208d6505ab9SVille Syrjala return 0; 209d6505ab9SVille Syrjala 210d6505ab9SVille Syrjala fail2: 211d6505ab9SVille Syrjala mutex_unlock(&ati_remote2_mutex); 212d6505ab9SVille Syrjala usb_autopm_put_interface(ar2->intf[0]); 213d6505ab9SVille Syrjala fail1: 214d6505ab9SVille Syrjala return r; 215d6505ab9SVille Syrjala } 216d6505ab9SVille Syrjala 217ba0acb5eSDmitry Torokhov static void ati_remote2_close(struct input_dev *idev) 218ba0acb5eSDmitry Torokhov { 219ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2 = input_get_drvdata(idev); 220ba0acb5eSDmitry Torokhov 221d6505ab9SVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 222d6505ab9SVille Syrjala 223d6505ab9SVille Syrjala mutex_lock(&ati_remote2_mutex); 224d6505ab9SVille Syrjala 225d6505ab9SVille Syrjala if (!(ar2->flags & ATI_REMOTE2_SUSPENDED)) 226d6505ab9SVille Syrjala ati_remote2_kill_urbs(ar2); 227d6505ab9SVille Syrjala 228d6505ab9SVille Syrjala ar2->flags &= ~ATI_REMOTE2_OPENED; 229d6505ab9SVille Syrjala 230d6505ab9SVille Syrjala mutex_unlock(&ati_remote2_mutex); 231ba0acb5eSDmitry Torokhov } 232ba0acb5eSDmitry Torokhov 233ba0acb5eSDmitry Torokhov static void ati_remote2_input_mouse(struct ati_remote2 *ar2) 234ba0acb5eSDmitry Torokhov { 235ba0acb5eSDmitry Torokhov struct input_dev *idev = ar2->idev; 236ba0acb5eSDmitry Torokhov u8 *data = ar2->buf[0]; 237ba0acb5eSDmitry Torokhov int channel, mode; 238ba0acb5eSDmitry Torokhov 239ba0acb5eSDmitry Torokhov channel = data[0] >> 4; 240ba0acb5eSDmitry Torokhov 241ba0acb5eSDmitry Torokhov if (!((1 << channel) & channel_mask)) 242ba0acb5eSDmitry Torokhov return; 243ba0acb5eSDmitry Torokhov 244ba0acb5eSDmitry Torokhov mode = data[0] & 0x0F; 245ba0acb5eSDmitry Torokhov 2461971b9d5SVille Syrjala if (mode > ATI_REMOTE2_PC) { 247ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 248ba0acb5eSDmitry Torokhov "Unknown mode byte (%02x %02x %02x %02x)\n", 249ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 250ba0acb5eSDmitry Torokhov return; 251ba0acb5eSDmitry Torokhov } 252ba0acb5eSDmitry Torokhov 253ba0acb5eSDmitry Torokhov if (!((1 << mode) & mode_mask)) 254ba0acb5eSDmitry Torokhov return; 255ba0acb5eSDmitry Torokhov 256ba0acb5eSDmitry Torokhov input_event(idev, EV_REL, REL_X, (s8) data[1]); 257ba0acb5eSDmitry Torokhov input_event(idev, EV_REL, REL_Y, (s8) data[2]); 258ba0acb5eSDmitry Torokhov input_sync(idev); 259ba0acb5eSDmitry Torokhov } 260ba0acb5eSDmitry Torokhov 261ba0acb5eSDmitry Torokhov static int ati_remote2_lookup(unsigned int hw_code) 262ba0acb5eSDmitry Torokhov { 263ba0acb5eSDmitry Torokhov int i; 264ba0acb5eSDmitry Torokhov 2651971b9d5SVille Syrjala for (i = 0; i < ARRAY_SIZE(ati_remote2_key_table); i++) 266ba0acb5eSDmitry Torokhov if (ati_remote2_key_table[i].hw_code == hw_code) 267ba0acb5eSDmitry Torokhov return i; 268ba0acb5eSDmitry Torokhov 269ba0acb5eSDmitry Torokhov return -1; 270ba0acb5eSDmitry Torokhov } 271ba0acb5eSDmitry Torokhov 272ba0acb5eSDmitry Torokhov static void ati_remote2_input_key(struct ati_remote2 *ar2) 273ba0acb5eSDmitry Torokhov { 274ba0acb5eSDmitry Torokhov struct input_dev *idev = ar2->idev; 275ba0acb5eSDmitry Torokhov u8 *data = ar2->buf[1]; 276ba0acb5eSDmitry Torokhov int channel, mode, hw_code, index; 277ba0acb5eSDmitry Torokhov 278ba0acb5eSDmitry Torokhov channel = data[0] >> 4; 279ba0acb5eSDmitry Torokhov 280ba0acb5eSDmitry Torokhov if (!((1 << channel) & channel_mask)) 281ba0acb5eSDmitry Torokhov return; 282ba0acb5eSDmitry Torokhov 283ba0acb5eSDmitry Torokhov mode = data[0] & 0x0F; 284ba0acb5eSDmitry Torokhov 2851971b9d5SVille Syrjala if (mode > ATI_REMOTE2_PC) { 286ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 287ba0acb5eSDmitry Torokhov "Unknown mode byte (%02x %02x %02x %02x)\n", 288ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 289ba0acb5eSDmitry Torokhov return; 290ba0acb5eSDmitry Torokhov } 291ba0acb5eSDmitry Torokhov 292ba0acb5eSDmitry Torokhov hw_code = data[2]; 293ba0acb5eSDmitry Torokhov if (hw_code == 0x3f) { 294ba0acb5eSDmitry Torokhov /* 295ba0acb5eSDmitry Torokhov * For some incomprehensible reason the mouse pad generates 296ba0acb5eSDmitry Torokhov * events which look identical to the events from the last 297ba0acb5eSDmitry Torokhov * pressed mode key. Naturally we don't want to generate key 298ba0acb5eSDmitry Torokhov * events for the mouse pad so we filter out any subsequent 299ba0acb5eSDmitry Torokhov * events from the same mode key. 300ba0acb5eSDmitry Torokhov */ 301ba0acb5eSDmitry Torokhov if (ar2->mode == mode) 302ba0acb5eSDmitry Torokhov return; 303ba0acb5eSDmitry Torokhov 304ba0acb5eSDmitry Torokhov if (data[1] == 0) 305ba0acb5eSDmitry Torokhov ar2->mode = mode; 306ba0acb5eSDmitry Torokhov } 307ba0acb5eSDmitry Torokhov 308ba0acb5eSDmitry Torokhov if (!((1 << mode) & mode_mask)) 309ba0acb5eSDmitry Torokhov return; 310ba0acb5eSDmitry Torokhov 311ba0acb5eSDmitry Torokhov index = ati_remote2_lookup(hw_code); 312ba0acb5eSDmitry Torokhov if (index < 0) { 313ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 314ba0acb5eSDmitry Torokhov "Unknown code byte (%02x %02x %02x %02x)\n", 315ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 316ba0acb5eSDmitry Torokhov return; 317ba0acb5eSDmitry Torokhov } 318ba0acb5eSDmitry Torokhov 319ba0acb5eSDmitry Torokhov switch (data[1]) { 320ba0acb5eSDmitry Torokhov case 0: /* release */ 321ba0acb5eSDmitry Torokhov break; 322ba0acb5eSDmitry Torokhov case 1: /* press */ 323ba0acb5eSDmitry Torokhov ar2->jiffies = jiffies + msecs_to_jiffies(idev->rep[REP_DELAY]); 324ba0acb5eSDmitry Torokhov break; 325ba0acb5eSDmitry Torokhov case 2: /* repeat */ 326ba0acb5eSDmitry Torokhov 327ba0acb5eSDmitry Torokhov /* No repeat for mouse buttons. */ 3281971b9d5SVille Syrjala if (ar2->keycode[mode][index] == BTN_LEFT || 3291971b9d5SVille Syrjala ar2->keycode[mode][index] == BTN_RIGHT) 330ba0acb5eSDmitry Torokhov return; 331ba0acb5eSDmitry Torokhov 332ba0acb5eSDmitry Torokhov if (!time_after_eq(jiffies, ar2->jiffies)) 333ba0acb5eSDmitry Torokhov return; 334ba0acb5eSDmitry Torokhov 335ba0acb5eSDmitry Torokhov ar2->jiffies = jiffies + msecs_to_jiffies(idev->rep[REP_PERIOD]); 336ba0acb5eSDmitry Torokhov break; 337ba0acb5eSDmitry Torokhov default: 338ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 339ba0acb5eSDmitry Torokhov "Unknown state byte (%02x %02x %02x %02x)\n", 340ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 341ba0acb5eSDmitry Torokhov return; 342ba0acb5eSDmitry Torokhov } 343ba0acb5eSDmitry Torokhov 3441971b9d5SVille Syrjala input_event(idev, EV_KEY, ar2->keycode[mode][index], data[1]); 345ba0acb5eSDmitry Torokhov input_sync(idev); 346ba0acb5eSDmitry Torokhov } 347ba0acb5eSDmitry Torokhov 348ba0acb5eSDmitry Torokhov static void ati_remote2_complete_mouse(struct urb *urb) 349ba0acb5eSDmitry Torokhov { 350ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2 = urb->context; 351ba0acb5eSDmitry Torokhov int r; 352ba0acb5eSDmitry Torokhov 353ba0acb5eSDmitry Torokhov switch (urb->status) { 354ba0acb5eSDmitry Torokhov case 0: 355d6505ab9SVille Syrjala usb_mark_last_busy(ar2->udev); 356ba0acb5eSDmitry Torokhov ati_remote2_input_mouse(ar2); 357ba0acb5eSDmitry Torokhov break; 358ba0acb5eSDmitry Torokhov case -ENOENT: 359ba0acb5eSDmitry Torokhov case -EILSEQ: 360ba0acb5eSDmitry Torokhov case -ECONNRESET: 361ba0acb5eSDmitry Torokhov case -ESHUTDOWN: 362ba0acb5eSDmitry Torokhov dev_dbg(&ar2->intf[0]->dev, 363ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 364ba0acb5eSDmitry Torokhov return; 365ba0acb5eSDmitry Torokhov default: 366d6505ab9SVille Syrjala usb_mark_last_busy(ar2->udev); 367ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 368ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 369ba0acb5eSDmitry Torokhov } 370ba0acb5eSDmitry Torokhov 371ba0acb5eSDmitry Torokhov r = usb_submit_urb(urb, GFP_ATOMIC); 372ba0acb5eSDmitry Torokhov if (r) 373ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 374ea3e6c59SHarvey Harrison "%s(): usb_submit_urb() = %d\n", __func__, r); 375ba0acb5eSDmitry Torokhov } 376ba0acb5eSDmitry Torokhov 377ba0acb5eSDmitry Torokhov static void ati_remote2_complete_key(struct urb *urb) 378ba0acb5eSDmitry Torokhov { 379ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2 = urb->context; 380ba0acb5eSDmitry Torokhov int r; 381ba0acb5eSDmitry Torokhov 382ba0acb5eSDmitry Torokhov switch (urb->status) { 383ba0acb5eSDmitry Torokhov case 0: 384d6505ab9SVille Syrjala usb_mark_last_busy(ar2->udev); 385ba0acb5eSDmitry Torokhov ati_remote2_input_key(ar2); 386ba0acb5eSDmitry Torokhov break; 387ba0acb5eSDmitry Torokhov case -ENOENT: 388ba0acb5eSDmitry Torokhov case -EILSEQ: 389ba0acb5eSDmitry Torokhov case -ECONNRESET: 390ba0acb5eSDmitry Torokhov case -ESHUTDOWN: 391ba0acb5eSDmitry Torokhov dev_dbg(&ar2->intf[1]->dev, 392ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 393ba0acb5eSDmitry Torokhov return; 394ba0acb5eSDmitry Torokhov default: 395d6505ab9SVille Syrjala usb_mark_last_busy(ar2->udev); 396ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 397ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 398ba0acb5eSDmitry Torokhov } 399ba0acb5eSDmitry Torokhov 400ba0acb5eSDmitry Torokhov r = usb_submit_urb(urb, GFP_ATOMIC); 401ba0acb5eSDmitry Torokhov if (r) 402ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 403ea3e6c59SHarvey Harrison "%s(): usb_submit_urb() = %d\n", __func__, r); 404ba0acb5eSDmitry Torokhov } 405ba0acb5eSDmitry Torokhov 4061971b9d5SVille Syrjala static int ati_remote2_getkeycode(struct input_dev *idev, 4071971b9d5SVille Syrjala int scancode, int *keycode) 4081971b9d5SVille Syrjala { 4091971b9d5SVille Syrjala struct ati_remote2 *ar2 = input_get_drvdata(idev); 4101971b9d5SVille Syrjala int index, mode; 4111971b9d5SVille Syrjala 4121971b9d5SVille Syrjala mode = scancode >> 8; 4131971b9d5SVille Syrjala if (mode > ATI_REMOTE2_PC || !((1 << mode) & mode_mask)) 4141971b9d5SVille Syrjala return -EINVAL; 4151971b9d5SVille Syrjala 4161971b9d5SVille Syrjala index = ati_remote2_lookup(scancode & 0xFF); 4171971b9d5SVille Syrjala if (index < 0) 4181971b9d5SVille Syrjala return -EINVAL; 4191971b9d5SVille Syrjala 4201971b9d5SVille Syrjala *keycode = ar2->keycode[mode][index]; 4211971b9d5SVille Syrjala return 0; 4221971b9d5SVille Syrjala } 4231971b9d5SVille Syrjala 4241971b9d5SVille Syrjala static int ati_remote2_setkeycode(struct input_dev *idev, int scancode, int keycode) 4251971b9d5SVille Syrjala { 4261971b9d5SVille Syrjala struct ati_remote2 *ar2 = input_get_drvdata(idev); 4271971b9d5SVille Syrjala int index, mode, old_keycode; 4281971b9d5SVille Syrjala 4291971b9d5SVille Syrjala mode = scancode >> 8; 4301971b9d5SVille Syrjala if (mode > ATI_REMOTE2_PC || !((1 << mode) & mode_mask)) 4311971b9d5SVille Syrjala return -EINVAL; 4321971b9d5SVille Syrjala 4331971b9d5SVille Syrjala index = ati_remote2_lookup(scancode & 0xFF); 4341971b9d5SVille Syrjala if (index < 0) 4351971b9d5SVille Syrjala return -EINVAL; 4361971b9d5SVille Syrjala 4371971b9d5SVille Syrjala if (keycode < KEY_RESERVED || keycode > KEY_MAX) 4381971b9d5SVille Syrjala return -EINVAL; 4391971b9d5SVille Syrjala 4401971b9d5SVille Syrjala old_keycode = ar2->keycode[mode][index]; 4411971b9d5SVille Syrjala ar2->keycode[mode][index] = keycode; 4421971b9d5SVille Syrjala set_bit(keycode, idev->keybit); 4431971b9d5SVille Syrjala 4441971b9d5SVille Syrjala for (mode = 0; mode < ATI_REMOTE2_MODES; mode++) { 4451971b9d5SVille Syrjala for (index = 0; index < ARRAY_SIZE(ati_remote2_key_table); index++) { 4461971b9d5SVille Syrjala if (ar2->keycode[mode][index] == old_keycode) 4471971b9d5SVille Syrjala return 0; 4481971b9d5SVille Syrjala } 4491971b9d5SVille Syrjala } 4501971b9d5SVille Syrjala 4511971b9d5SVille Syrjala clear_bit(old_keycode, idev->keybit); 4521971b9d5SVille Syrjala 4531971b9d5SVille Syrjala return 0; 4541971b9d5SVille Syrjala } 4551971b9d5SVille Syrjala 456ba0acb5eSDmitry Torokhov static int ati_remote2_input_init(struct ati_remote2 *ar2) 457ba0acb5eSDmitry Torokhov { 458ba0acb5eSDmitry Torokhov struct input_dev *idev; 4591971b9d5SVille Syrjala int index, mode, retval; 460ba0acb5eSDmitry Torokhov 461ba0acb5eSDmitry Torokhov idev = input_allocate_device(); 462ba0acb5eSDmitry Torokhov if (!idev) 463ba0acb5eSDmitry Torokhov return -ENOMEM; 464ba0acb5eSDmitry Torokhov 465ba0acb5eSDmitry Torokhov ar2->idev = idev; 466ba0acb5eSDmitry Torokhov input_set_drvdata(idev, ar2); 467ba0acb5eSDmitry Torokhov 4687b19ada2SJiri Slaby idev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) | BIT_MASK(EV_REL); 4697b19ada2SJiri Slaby idev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) | 4707b19ada2SJiri Slaby BIT_MASK(BTN_RIGHT); 4717b19ada2SJiri Slaby idev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); 4721971b9d5SVille Syrjala 4731971b9d5SVille Syrjala for (mode = 0; mode < ATI_REMOTE2_MODES; mode++) { 4741971b9d5SVille Syrjala for (index = 0; index < ARRAY_SIZE(ati_remote2_key_table); index++) { 4751971b9d5SVille Syrjala ar2->keycode[mode][index] = ati_remote2_key_table[index].keycode; 4761971b9d5SVille Syrjala set_bit(ar2->keycode[mode][index], idev->keybit); 4771971b9d5SVille Syrjala } 4781971b9d5SVille Syrjala } 4791971b9d5SVille Syrjala 4801971b9d5SVille Syrjala /* AUX1-AUX4 and PC generate the same scancode. */ 4811971b9d5SVille Syrjala index = ati_remote2_lookup(0x3f); 4821971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_AUX1][index] = KEY_PROG1; 4831971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_AUX2][index] = KEY_PROG2; 4841971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_AUX3][index] = KEY_PROG3; 4851971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_AUX4][index] = KEY_PROG4; 4861971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_PC][index] = KEY_PC; 4871971b9d5SVille Syrjala set_bit(KEY_PROG1, idev->keybit); 4881971b9d5SVille Syrjala set_bit(KEY_PROG2, idev->keybit); 4891971b9d5SVille Syrjala set_bit(KEY_PROG3, idev->keybit); 4901971b9d5SVille Syrjala set_bit(KEY_PROG4, idev->keybit); 4911971b9d5SVille Syrjala set_bit(KEY_PC, idev->keybit); 492ba0acb5eSDmitry Torokhov 493ba0acb5eSDmitry Torokhov idev->rep[REP_DELAY] = 250; 494ba0acb5eSDmitry Torokhov idev->rep[REP_PERIOD] = 33; 495ba0acb5eSDmitry Torokhov 496ba0acb5eSDmitry Torokhov idev->open = ati_remote2_open; 497ba0acb5eSDmitry Torokhov idev->close = ati_remote2_close; 498ba0acb5eSDmitry Torokhov 4991971b9d5SVille Syrjala idev->getkeycode = ati_remote2_getkeycode; 5001971b9d5SVille Syrjala idev->setkeycode = ati_remote2_setkeycode; 5011971b9d5SVille Syrjala 502ba0acb5eSDmitry Torokhov idev->name = ar2->name; 503ba0acb5eSDmitry Torokhov idev->phys = ar2->phys; 504ba0acb5eSDmitry Torokhov 505ba0acb5eSDmitry Torokhov usb_to_input_id(ar2->udev, &idev->id); 506ba0acb5eSDmitry Torokhov idev->dev.parent = &ar2->udev->dev; 507ba0acb5eSDmitry Torokhov 508ba0acb5eSDmitry Torokhov retval = input_register_device(idev); 509ba0acb5eSDmitry Torokhov if (retval) 510ba0acb5eSDmitry Torokhov input_free_device(idev); 511ba0acb5eSDmitry Torokhov 512ba0acb5eSDmitry Torokhov return retval; 513ba0acb5eSDmitry Torokhov } 514ba0acb5eSDmitry Torokhov 515ba0acb5eSDmitry Torokhov static int ati_remote2_urb_init(struct ati_remote2 *ar2) 516ba0acb5eSDmitry Torokhov { 517ba0acb5eSDmitry Torokhov struct usb_device *udev = ar2->udev; 518ba0acb5eSDmitry Torokhov int i, pipe, maxp; 519ba0acb5eSDmitry Torokhov 520ba0acb5eSDmitry Torokhov for (i = 0; i < 2; i++) { 521ba0acb5eSDmitry Torokhov ar2->buf[i] = usb_buffer_alloc(udev, 4, GFP_KERNEL, &ar2->buf_dma[i]); 522ba0acb5eSDmitry Torokhov if (!ar2->buf[i]) 523ba0acb5eSDmitry Torokhov return -ENOMEM; 524ba0acb5eSDmitry Torokhov 525ba0acb5eSDmitry Torokhov ar2->urb[i] = usb_alloc_urb(0, GFP_KERNEL); 526ba0acb5eSDmitry Torokhov if (!ar2->urb[i]) 527ba0acb5eSDmitry Torokhov return -ENOMEM; 528ba0acb5eSDmitry Torokhov 529ba0acb5eSDmitry Torokhov pipe = usb_rcvintpipe(udev, ar2->ep[i]->bEndpointAddress); 530ba0acb5eSDmitry Torokhov maxp = usb_maxpacket(udev, pipe, usb_pipeout(pipe)); 531ba0acb5eSDmitry Torokhov maxp = maxp > 4 ? 4 : maxp; 532ba0acb5eSDmitry Torokhov 533ba0acb5eSDmitry Torokhov usb_fill_int_urb(ar2->urb[i], udev, pipe, ar2->buf[i], maxp, 534ba0acb5eSDmitry Torokhov i ? ati_remote2_complete_key : ati_remote2_complete_mouse, 535ba0acb5eSDmitry Torokhov ar2, ar2->ep[i]->bInterval); 536ba0acb5eSDmitry Torokhov ar2->urb[i]->transfer_dma = ar2->buf_dma[i]; 537ba0acb5eSDmitry Torokhov ar2->urb[i]->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; 538ba0acb5eSDmitry Torokhov } 539ba0acb5eSDmitry Torokhov 540ba0acb5eSDmitry Torokhov return 0; 541ba0acb5eSDmitry Torokhov } 542ba0acb5eSDmitry Torokhov 543ba0acb5eSDmitry Torokhov static void ati_remote2_urb_cleanup(struct ati_remote2 *ar2) 544ba0acb5eSDmitry Torokhov { 545ba0acb5eSDmitry Torokhov int i; 546ba0acb5eSDmitry Torokhov 547ba0acb5eSDmitry Torokhov for (i = 0; i < 2; i++) { 548ba0acb5eSDmitry Torokhov usb_free_urb(ar2->urb[i]); 549ba0acb5eSDmitry Torokhov usb_buffer_free(ar2->udev, 4, ar2->buf[i], ar2->buf_dma[i]); 550ba0acb5eSDmitry Torokhov } 551ba0acb5eSDmitry Torokhov } 552ba0acb5eSDmitry Torokhov 553ba0acb5eSDmitry Torokhov static int ati_remote2_setup(struct ati_remote2 *ar2) 554ba0acb5eSDmitry Torokhov { 555ba0acb5eSDmitry Torokhov int r, i, channel; 556ba0acb5eSDmitry Torokhov 557ba0acb5eSDmitry Torokhov /* 558ba0acb5eSDmitry Torokhov * Configure receiver to only accept input from remote "channel" 559ba0acb5eSDmitry Torokhov * channel == 0 -> Accept input from any remote channel 560ba0acb5eSDmitry Torokhov * channel == 1 -> Only accept input from remote channel 1 561ba0acb5eSDmitry Torokhov * channel == 2 -> Only accept input from remote channel 2 562ba0acb5eSDmitry Torokhov * ... 563ba0acb5eSDmitry Torokhov * channel == 16 -> Only accept input from remote channel 16 564ba0acb5eSDmitry Torokhov */ 565ba0acb5eSDmitry Torokhov 566ba0acb5eSDmitry Torokhov channel = 0; 567ba0acb5eSDmitry Torokhov for (i = 0; i < 16; i++) { 568ba0acb5eSDmitry Torokhov if ((1 << i) & channel_mask) { 569ba0acb5eSDmitry Torokhov if (!(~(1 << i) & 0xFFFF & channel_mask)) 570ba0acb5eSDmitry Torokhov channel = i + 1; 571ba0acb5eSDmitry Torokhov break; 572ba0acb5eSDmitry Torokhov } 573ba0acb5eSDmitry Torokhov } 574ba0acb5eSDmitry Torokhov 575ba0acb5eSDmitry Torokhov r = usb_control_msg(ar2->udev, usb_sndctrlpipe(ar2->udev, 0), 576ba0acb5eSDmitry Torokhov 0x20, 577ba0acb5eSDmitry Torokhov USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, 578ba0acb5eSDmitry Torokhov channel, 0x0, NULL, 0, USB_CTRL_SET_TIMEOUT); 579ba0acb5eSDmitry Torokhov if (r) { 580ba0acb5eSDmitry Torokhov dev_err(&ar2->udev->dev, "%s - failed to set channel due to error: %d\n", 581ea3e6c59SHarvey Harrison __func__, r); 582ba0acb5eSDmitry Torokhov return r; 583ba0acb5eSDmitry Torokhov } 584ba0acb5eSDmitry Torokhov 585ba0acb5eSDmitry Torokhov return 0; 586ba0acb5eSDmitry Torokhov } 587ba0acb5eSDmitry Torokhov 588ba0acb5eSDmitry Torokhov static int ati_remote2_probe(struct usb_interface *interface, const struct usb_device_id *id) 589ba0acb5eSDmitry Torokhov { 590ba0acb5eSDmitry Torokhov struct usb_device *udev = interface_to_usbdev(interface); 591ba0acb5eSDmitry Torokhov struct usb_host_interface *alt = interface->cur_altsetting; 592ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2; 593ba0acb5eSDmitry Torokhov int r; 594ba0acb5eSDmitry Torokhov 595ba0acb5eSDmitry Torokhov if (alt->desc.bInterfaceNumber) 596ba0acb5eSDmitry Torokhov return -ENODEV; 597ba0acb5eSDmitry Torokhov 598ba0acb5eSDmitry Torokhov ar2 = kzalloc(sizeof (struct ati_remote2), GFP_KERNEL); 599ba0acb5eSDmitry Torokhov if (!ar2) 600ba0acb5eSDmitry Torokhov return -ENOMEM; 601ba0acb5eSDmitry Torokhov 602ba0acb5eSDmitry Torokhov ar2->udev = udev; 603ba0acb5eSDmitry Torokhov 604ba0acb5eSDmitry Torokhov ar2->intf[0] = interface; 605ba0acb5eSDmitry Torokhov ar2->ep[0] = &alt->endpoint[0].desc; 606ba0acb5eSDmitry Torokhov 607ba0acb5eSDmitry Torokhov ar2->intf[1] = usb_ifnum_to_if(udev, 1); 608ba0acb5eSDmitry Torokhov r = usb_driver_claim_interface(&ati_remote2_driver, ar2->intf[1], ar2); 609ba0acb5eSDmitry Torokhov if (r) 610ba0acb5eSDmitry Torokhov goto fail1; 611ba0acb5eSDmitry Torokhov alt = ar2->intf[1]->cur_altsetting; 612ba0acb5eSDmitry Torokhov ar2->ep[1] = &alt->endpoint[0].desc; 613ba0acb5eSDmitry Torokhov 614ba0acb5eSDmitry Torokhov r = ati_remote2_urb_init(ar2); 615ba0acb5eSDmitry Torokhov if (r) 616ba0acb5eSDmitry Torokhov goto fail2; 617ba0acb5eSDmitry Torokhov 618ba0acb5eSDmitry Torokhov r = ati_remote2_setup(ar2); 619ba0acb5eSDmitry Torokhov if (r) 620ba0acb5eSDmitry Torokhov goto fail2; 621ba0acb5eSDmitry Torokhov 622ba0acb5eSDmitry Torokhov usb_make_path(udev, ar2->phys, sizeof(ar2->phys)); 623ba0acb5eSDmitry Torokhov strlcat(ar2->phys, "/input0", sizeof(ar2->phys)); 624ba0acb5eSDmitry Torokhov 625ba0acb5eSDmitry Torokhov strlcat(ar2->name, "ATI Remote Wonder II", sizeof(ar2->name)); 626ba0acb5eSDmitry Torokhov 627ba0acb5eSDmitry Torokhov r = ati_remote2_input_init(ar2); 628ba0acb5eSDmitry Torokhov if (r) 629ba0acb5eSDmitry Torokhov goto fail2; 630ba0acb5eSDmitry Torokhov 631ba0acb5eSDmitry Torokhov usb_set_intfdata(interface, ar2); 632ba0acb5eSDmitry Torokhov 633d6505ab9SVille Syrjala interface->needs_remote_wakeup = 1; 634d6505ab9SVille Syrjala 635ba0acb5eSDmitry Torokhov return 0; 636ba0acb5eSDmitry Torokhov 637ba0acb5eSDmitry Torokhov fail2: 638ba0acb5eSDmitry Torokhov ati_remote2_urb_cleanup(ar2); 639ba0acb5eSDmitry Torokhov 640ba0acb5eSDmitry Torokhov usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]); 641ba0acb5eSDmitry Torokhov fail1: 642ba0acb5eSDmitry Torokhov kfree(ar2); 643ba0acb5eSDmitry Torokhov 644ba0acb5eSDmitry Torokhov return r; 645ba0acb5eSDmitry Torokhov } 646ba0acb5eSDmitry Torokhov 647ba0acb5eSDmitry Torokhov static void ati_remote2_disconnect(struct usb_interface *interface) 648ba0acb5eSDmitry Torokhov { 649ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2; 650ba0acb5eSDmitry Torokhov struct usb_host_interface *alt = interface->cur_altsetting; 651ba0acb5eSDmitry Torokhov 652ba0acb5eSDmitry Torokhov if (alt->desc.bInterfaceNumber) 653ba0acb5eSDmitry Torokhov return; 654ba0acb5eSDmitry Torokhov 655ba0acb5eSDmitry Torokhov ar2 = usb_get_intfdata(interface); 656ba0acb5eSDmitry Torokhov usb_set_intfdata(interface, NULL); 657ba0acb5eSDmitry Torokhov 658ba0acb5eSDmitry Torokhov input_unregister_device(ar2->idev); 659ba0acb5eSDmitry Torokhov 660ba0acb5eSDmitry Torokhov ati_remote2_urb_cleanup(ar2); 661ba0acb5eSDmitry Torokhov 662ba0acb5eSDmitry Torokhov usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]); 663ba0acb5eSDmitry Torokhov 664ba0acb5eSDmitry Torokhov kfree(ar2); 665ba0acb5eSDmitry Torokhov } 666ba0acb5eSDmitry Torokhov 667d6505ab9SVille Syrjala static int ati_remote2_suspend(struct usb_interface *interface, 668d6505ab9SVille Syrjala pm_message_t message) 669d6505ab9SVille Syrjala { 670d6505ab9SVille Syrjala struct ati_remote2 *ar2; 671d6505ab9SVille Syrjala struct usb_host_interface *alt = interface->cur_altsetting; 672d6505ab9SVille Syrjala 673d6505ab9SVille Syrjala if (alt->desc.bInterfaceNumber) 674d6505ab9SVille Syrjala return 0; 675d6505ab9SVille Syrjala 676d6505ab9SVille Syrjala ar2 = usb_get_intfdata(interface); 677d6505ab9SVille Syrjala 678d6505ab9SVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 679d6505ab9SVille Syrjala 680d6505ab9SVille Syrjala mutex_lock(&ati_remote2_mutex); 681d6505ab9SVille Syrjala 682d6505ab9SVille Syrjala if (ar2->flags & ATI_REMOTE2_OPENED) 683d6505ab9SVille Syrjala ati_remote2_kill_urbs(ar2); 684d6505ab9SVille Syrjala 685d6505ab9SVille Syrjala ar2->flags |= ATI_REMOTE2_SUSPENDED; 686d6505ab9SVille Syrjala 687d6505ab9SVille Syrjala mutex_unlock(&ati_remote2_mutex); 688d6505ab9SVille Syrjala 689d6505ab9SVille Syrjala return 0; 690d6505ab9SVille Syrjala } 691d6505ab9SVille Syrjala 692d6505ab9SVille Syrjala static int ati_remote2_resume(struct usb_interface *interface) 693d6505ab9SVille Syrjala { 694d6505ab9SVille Syrjala struct ati_remote2 *ar2; 695d6505ab9SVille Syrjala struct usb_host_interface *alt = interface->cur_altsetting; 696d6505ab9SVille Syrjala int r = 0; 697d6505ab9SVille Syrjala 698d6505ab9SVille Syrjala if (alt->desc.bInterfaceNumber) 699d6505ab9SVille Syrjala return 0; 700d6505ab9SVille Syrjala 701d6505ab9SVille Syrjala ar2 = usb_get_intfdata(interface); 702d6505ab9SVille Syrjala 703d6505ab9SVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 704d6505ab9SVille Syrjala 705d6505ab9SVille Syrjala mutex_lock(&ati_remote2_mutex); 706d6505ab9SVille Syrjala 707d6505ab9SVille Syrjala if (ar2->flags & ATI_REMOTE2_OPENED) 708d6505ab9SVille Syrjala r = ati_remote2_submit_urbs(ar2); 709d6505ab9SVille Syrjala 710d6505ab9SVille Syrjala if (!r) 711d6505ab9SVille Syrjala ar2->flags &= ~ATI_REMOTE2_SUSPENDED; 712d6505ab9SVille Syrjala 713d6505ab9SVille Syrjala mutex_unlock(&ati_remote2_mutex); 714d6505ab9SVille Syrjala 715d6505ab9SVille Syrjala return r; 716d6505ab9SVille Syrjala } 717d6505ab9SVille Syrjala 718ba0acb5eSDmitry Torokhov static int __init ati_remote2_init(void) 719ba0acb5eSDmitry Torokhov { 720ba0acb5eSDmitry Torokhov int r; 721ba0acb5eSDmitry Torokhov 722ba0acb5eSDmitry Torokhov r = usb_register(&ati_remote2_driver); 723ba0acb5eSDmitry Torokhov if (r) 724ba0acb5eSDmitry Torokhov printk(KERN_ERR "ati_remote2: usb_register() = %d\n", r); 725ba0acb5eSDmitry Torokhov else 726ba0acb5eSDmitry Torokhov printk(KERN_INFO "ati_remote2: " DRIVER_DESC " " DRIVER_VERSION "\n"); 727ba0acb5eSDmitry Torokhov 728ba0acb5eSDmitry Torokhov return r; 729ba0acb5eSDmitry Torokhov } 730ba0acb5eSDmitry Torokhov 731ba0acb5eSDmitry Torokhov static void __exit ati_remote2_exit(void) 732ba0acb5eSDmitry Torokhov { 733ba0acb5eSDmitry Torokhov usb_deregister(&ati_remote2_driver); 734ba0acb5eSDmitry Torokhov } 735ba0acb5eSDmitry Torokhov 736ba0acb5eSDmitry Torokhov module_init(ati_remote2_init); 737ba0acb5eSDmitry Torokhov module_exit(ati_remote2_exit); 738