1ba0acb5eSDmitry Torokhov /* 2ba0acb5eSDmitry Torokhov * ati_remote2 - ATI/Philips USB RF remote driver 3ba0acb5eSDmitry Torokhov * 4ba0acb5eSDmitry Torokhov * Copyright (C) 2005 Ville Syrjala <syrjala@sci.fi> 5ba0acb5eSDmitry Torokhov * Copyright (C) 2007 Peter Stokes <linux@dadeos.freeserve.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" 15ba0acb5eSDmitry Torokhov #define DRIVER_VERSION "0.2" 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 30ba0acb5eSDmitry Torokhov * 16 and then 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 48ba0acb5eSDmitry Torokhov static struct { 49ba0acb5eSDmitry Torokhov int hw_code; 50ba0acb5eSDmitry Torokhov int key_code; 51ba0acb5eSDmitry Torokhov } ati_remote2_key_table[] = { 52ba0acb5eSDmitry Torokhov { 0x00, KEY_0 }, 53ba0acb5eSDmitry Torokhov { 0x01, KEY_1 }, 54ba0acb5eSDmitry Torokhov { 0x02, KEY_2 }, 55ba0acb5eSDmitry Torokhov { 0x03, KEY_3 }, 56ba0acb5eSDmitry Torokhov { 0x04, KEY_4 }, 57ba0acb5eSDmitry Torokhov { 0x05, KEY_5 }, 58ba0acb5eSDmitry Torokhov { 0x06, KEY_6 }, 59ba0acb5eSDmitry Torokhov { 0x07, KEY_7 }, 60ba0acb5eSDmitry Torokhov { 0x08, KEY_8 }, 61ba0acb5eSDmitry Torokhov { 0x09, KEY_9 }, 62ba0acb5eSDmitry Torokhov { 0x0c, KEY_POWER }, 63ba0acb5eSDmitry Torokhov { 0x0d, KEY_MUTE }, 64ba0acb5eSDmitry Torokhov { 0x10, KEY_VOLUMEUP }, 65ba0acb5eSDmitry Torokhov { 0x11, KEY_VOLUMEDOWN }, 66ba0acb5eSDmitry Torokhov { 0x20, KEY_CHANNELUP }, 67ba0acb5eSDmitry Torokhov { 0x21, KEY_CHANNELDOWN }, 68ba0acb5eSDmitry Torokhov { 0x28, KEY_FORWARD }, 69ba0acb5eSDmitry Torokhov { 0x29, KEY_REWIND }, 70ba0acb5eSDmitry Torokhov { 0x2c, KEY_PLAY }, 71ba0acb5eSDmitry Torokhov { 0x30, KEY_PAUSE }, 72ba0acb5eSDmitry Torokhov { 0x31, KEY_STOP }, 73ba0acb5eSDmitry Torokhov { 0x37, KEY_RECORD }, 74ba0acb5eSDmitry Torokhov { 0x38, KEY_DVD }, 75ba0acb5eSDmitry Torokhov { 0x39, KEY_TV }, 76ba0acb5eSDmitry Torokhov { 0x54, KEY_MENU }, 77ba0acb5eSDmitry Torokhov { 0x58, KEY_UP }, 78ba0acb5eSDmitry Torokhov { 0x59, KEY_DOWN }, 79ba0acb5eSDmitry Torokhov { 0x5a, KEY_LEFT }, 80ba0acb5eSDmitry Torokhov { 0x5b, KEY_RIGHT }, 81ba0acb5eSDmitry Torokhov { 0x5c, KEY_OK }, 82ba0acb5eSDmitry Torokhov { 0x78, KEY_A }, 83ba0acb5eSDmitry Torokhov { 0x79, KEY_B }, 84ba0acb5eSDmitry Torokhov { 0x7a, KEY_C }, 85ba0acb5eSDmitry Torokhov { 0x7b, KEY_D }, 86ba0acb5eSDmitry Torokhov { 0x7c, KEY_E }, 87ba0acb5eSDmitry Torokhov { 0x7d, KEY_F }, 88ba0acb5eSDmitry Torokhov { 0x82, KEY_ENTER }, 89ba0acb5eSDmitry Torokhov { 0x8e, KEY_VENDOR }, 90ba0acb5eSDmitry Torokhov { 0x96, KEY_COFFEE }, 91ba0acb5eSDmitry Torokhov { 0xa9, BTN_LEFT }, 92ba0acb5eSDmitry Torokhov { 0xaa, BTN_RIGHT }, 93ba0acb5eSDmitry Torokhov { 0xbe, KEY_QUESTION }, 94ba0acb5eSDmitry Torokhov { 0xd5, KEY_FRONT }, 95ba0acb5eSDmitry Torokhov { 0xd0, KEY_EDIT }, 96ba0acb5eSDmitry Torokhov { 0xf9, KEY_INFO }, 97ba0acb5eSDmitry Torokhov { (0x00 << 8) | 0x3f, KEY_PROG1 }, 98ba0acb5eSDmitry Torokhov { (0x01 << 8) | 0x3f, KEY_PROG2 }, 99ba0acb5eSDmitry Torokhov { (0x02 << 8) | 0x3f, KEY_PROG3 }, 100ba0acb5eSDmitry Torokhov { (0x03 << 8) | 0x3f, KEY_PROG4 }, 101ba0acb5eSDmitry Torokhov { (0x04 << 8) | 0x3f, KEY_PC }, 102ba0acb5eSDmitry Torokhov { 0, KEY_RESERVED } 103ba0acb5eSDmitry Torokhov }; 104ba0acb5eSDmitry Torokhov 105ba0acb5eSDmitry Torokhov struct ati_remote2 { 106ba0acb5eSDmitry Torokhov struct input_dev *idev; 107ba0acb5eSDmitry Torokhov struct usb_device *udev; 108ba0acb5eSDmitry Torokhov 109ba0acb5eSDmitry Torokhov struct usb_interface *intf[2]; 110ba0acb5eSDmitry Torokhov struct usb_endpoint_descriptor *ep[2]; 111ba0acb5eSDmitry Torokhov struct urb *urb[2]; 112ba0acb5eSDmitry Torokhov void *buf[2]; 113ba0acb5eSDmitry Torokhov dma_addr_t buf_dma[2]; 114ba0acb5eSDmitry Torokhov 115ba0acb5eSDmitry Torokhov unsigned long jiffies; 116ba0acb5eSDmitry Torokhov int mode; 117ba0acb5eSDmitry Torokhov 118ba0acb5eSDmitry Torokhov char name[64]; 119ba0acb5eSDmitry Torokhov char phys[64]; 120ba0acb5eSDmitry Torokhov }; 121ba0acb5eSDmitry Torokhov 122ba0acb5eSDmitry Torokhov static int ati_remote2_probe(struct usb_interface *interface, const struct usb_device_id *id); 123ba0acb5eSDmitry Torokhov static void ati_remote2_disconnect(struct usb_interface *interface); 124ba0acb5eSDmitry Torokhov 125ba0acb5eSDmitry Torokhov static struct usb_driver ati_remote2_driver = { 126ba0acb5eSDmitry Torokhov .name = "ati_remote2", 127ba0acb5eSDmitry Torokhov .probe = ati_remote2_probe, 128ba0acb5eSDmitry Torokhov .disconnect = ati_remote2_disconnect, 129ba0acb5eSDmitry Torokhov .id_table = ati_remote2_id_table, 130ba0acb5eSDmitry Torokhov }; 131ba0acb5eSDmitry Torokhov 132ba0acb5eSDmitry Torokhov static int ati_remote2_open(struct input_dev *idev) 133ba0acb5eSDmitry Torokhov { 134ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2 = input_get_drvdata(idev); 135ba0acb5eSDmitry Torokhov int r; 136ba0acb5eSDmitry Torokhov 137ba0acb5eSDmitry Torokhov r = usb_submit_urb(ar2->urb[0], GFP_KERNEL); 138ba0acb5eSDmitry Torokhov if (r) { 139ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 140ea3e6c59SHarvey Harrison "%s: usb_submit_urb() = %d\n", __func__, r); 141ba0acb5eSDmitry Torokhov return r; 142ba0acb5eSDmitry Torokhov } 143ba0acb5eSDmitry Torokhov r = usb_submit_urb(ar2->urb[1], GFP_KERNEL); 144ba0acb5eSDmitry Torokhov if (r) { 145ba0acb5eSDmitry Torokhov usb_kill_urb(ar2->urb[0]); 146ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 147ea3e6c59SHarvey Harrison "%s: usb_submit_urb() = %d\n", __func__, r); 148ba0acb5eSDmitry Torokhov return r; 149ba0acb5eSDmitry Torokhov } 150ba0acb5eSDmitry Torokhov 151ba0acb5eSDmitry Torokhov return 0; 152ba0acb5eSDmitry Torokhov } 153ba0acb5eSDmitry Torokhov 154ba0acb5eSDmitry Torokhov static void ati_remote2_close(struct input_dev *idev) 155ba0acb5eSDmitry Torokhov { 156ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2 = input_get_drvdata(idev); 157ba0acb5eSDmitry Torokhov 158ba0acb5eSDmitry Torokhov usb_kill_urb(ar2->urb[0]); 159ba0acb5eSDmitry Torokhov usb_kill_urb(ar2->urb[1]); 160ba0acb5eSDmitry Torokhov } 161ba0acb5eSDmitry Torokhov 162ba0acb5eSDmitry Torokhov static void ati_remote2_input_mouse(struct ati_remote2 *ar2) 163ba0acb5eSDmitry Torokhov { 164ba0acb5eSDmitry Torokhov struct input_dev *idev = ar2->idev; 165ba0acb5eSDmitry Torokhov u8 *data = ar2->buf[0]; 166ba0acb5eSDmitry Torokhov int channel, mode; 167ba0acb5eSDmitry Torokhov 168ba0acb5eSDmitry Torokhov channel = data[0] >> 4; 169ba0acb5eSDmitry Torokhov 170ba0acb5eSDmitry Torokhov if (!((1 << channel) & channel_mask)) 171ba0acb5eSDmitry Torokhov return; 172ba0acb5eSDmitry Torokhov 173ba0acb5eSDmitry Torokhov mode = data[0] & 0x0F; 174ba0acb5eSDmitry Torokhov 175ba0acb5eSDmitry Torokhov if (mode > 4) { 176ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 177ba0acb5eSDmitry Torokhov "Unknown mode byte (%02x %02x %02x %02x)\n", 178ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 179ba0acb5eSDmitry Torokhov return; 180ba0acb5eSDmitry Torokhov } 181ba0acb5eSDmitry Torokhov 182ba0acb5eSDmitry Torokhov if (!((1 << mode) & mode_mask)) 183ba0acb5eSDmitry Torokhov return; 184ba0acb5eSDmitry Torokhov 185ba0acb5eSDmitry Torokhov input_event(idev, EV_REL, REL_X, (s8) data[1]); 186ba0acb5eSDmitry Torokhov input_event(idev, EV_REL, REL_Y, (s8) data[2]); 187ba0acb5eSDmitry Torokhov input_sync(idev); 188ba0acb5eSDmitry Torokhov } 189ba0acb5eSDmitry Torokhov 190ba0acb5eSDmitry Torokhov static int ati_remote2_lookup(unsigned int hw_code) 191ba0acb5eSDmitry Torokhov { 192ba0acb5eSDmitry Torokhov int i; 193ba0acb5eSDmitry Torokhov 194ba0acb5eSDmitry Torokhov for (i = 0; ati_remote2_key_table[i].key_code != KEY_RESERVED; i++) 195ba0acb5eSDmitry Torokhov if (ati_remote2_key_table[i].hw_code == hw_code) 196ba0acb5eSDmitry Torokhov return i; 197ba0acb5eSDmitry Torokhov 198ba0acb5eSDmitry Torokhov return -1; 199ba0acb5eSDmitry Torokhov } 200ba0acb5eSDmitry Torokhov 201ba0acb5eSDmitry Torokhov static void ati_remote2_input_key(struct ati_remote2 *ar2) 202ba0acb5eSDmitry Torokhov { 203ba0acb5eSDmitry Torokhov struct input_dev *idev = ar2->idev; 204ba0acb5eSDmitry Torokhov u8 *data = ar2->buf[1]; 205ba0acb5eSDmitry Torokhov int channel, mode, hw_code, index; 206ba0acb5eSDmitry Torokhov 207ba0acb5eSDmitry Torokhov channel = data[0] >> 4; 208ba0acb5eSDmitry Torokhov 209ba0acb5eSDmitry Torokhov if (!((1 << channel) & channel_mask)) 210ba0acb5eSDmitry Torokhov return; 211ba0acb5eSDmitry Torokhov 212ba0acb5eSDmitry Torokhov mode = data[0] & 0x0F; 213ba0acb5eSDmitry Torokhov 214ba0acb5eSDmitry Torokhov if (mode > 4) { 215ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 216ba0acb5eSDmitry Torokhov "Unknown mode byte (%02x %02x %02x %02x)\n", 217ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 218ba0acb5eSDmitry Torokhov return; 219ba0acb5eSDmitry Torokhov } 220ba0acb5eSDmitry Torokhov 221ba0acb5eSDmitry Torokhov hw_code = data[2]; 222ba0acb5eSDmitry Torokhov /* 223ba0acb5eSDmitry Torokhov * Mode keys (AUX1-AUX4, PC) all generate the same code byte. 224ba0acb5eSDmitry Torokhov * Use the mode byte to figure out which one was pressed. 225ba0acb5eSDmitry Torokhov */ 226ba0acb5eSDmitry Torokhov if (hw_code == 0x3f) { 227ba0acb5eSDmitry Torokhov /* 228ba0acb5eSDmitry Torokhov * For some incomprehensible reason the mouse pad generates 229ba0acb5eSDmitry Torokhov * events which look identical to the events from the last 230ba0acb5eSDmitry Torokhov * pressed mode key. Naturally we don't want to generate key 231ba0acb5eSDmitry Torokhov * events for the mouse pad so we filter out any subsequent 232ba0acb5eSDmitry Torokhov * events from the same mode key. 233ba0acb5eSDmitry Torokhov */ 234ba0acb5eSDmitry Torokhov if (ar2->mode == mode) 235ba0acb5eSDmitry Torokhov return; 236ba0acb5eSDmitry Torokhov 237ba0acb5eSDmitry Torokhov if (data[1] == 0) 238ba0acb5eSDmitry Torokhov ar2->mode = mode; 239ba0acb5eSDmitry Torokhov 240ba0acb5eSDmitry Torokhov hw_code |= mode << 8; 241ba0acb5eSDmitry Torokhov } 242ba0acb5eSDmitry Torokhov 243ba0acb5eSDmitry Torokhov if (!((1 << mode) & mode_mask)) 244ba0acb5eSDmitry Torokhov return; 245ba0acb5eSDmitry Torokhov 246ba0acb5eSDmitry Torokhov index = ati_remote2_lookup(hw_code); 247ba0acb5eSDmitry Torokhov if (index < 0) { 248ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 249ba0acb5eSDmitry Torokhov "Unknown code byte (%02x %02x %02x %02x)\n", 250ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 251ba0acb5eSDmitry Torokhov return; 252ba0acb5eSDmitry Torokhov } 253ba0acb5eSDmitry Torokhov 254ba0acb5eSDmitry Torokhov switch (data[1]) { 255ba0acb5eSDmitry Torokhov case 0: /* release */ 256ba0acb5eSDmitry Torokhov break; 257ba0acb5eSDmitry Torokhov case 1: /* press */ 258ba0acb5eSDmitry Torokhov ar2->jiffies = jiffies + msecs_to_jiffies(idev->rep[REP_DELAY]); 259ba0acb5eSDmitry Torokhov break; 260ba0acb5eSDmitry Torokhov case 2: /* repeat */ 261ba0acb5eSDmitry Torokhov 262ba0acb5eSDmitry Torokhov /* No repeat for mouse buttons. */ 263ba0acb5eSDmitry Torokhov if (ati_remote2_key_table[index].key_code == BTN_LEFT || 264ba0acb5eSDmitry Torokhov ati_remote2_key_table[index].key_code == BTN_RIGHT) 265ba0acb5eSDmitry Torokhov return; 266ba0acb5eSDmitry Torokhov 267ba0acb5eSDmitry Torokhov if (!time_after_eq(jiffies, ar2->jiffies)) 268ba0acb5eSDmitry Torokhov return; 269ba0acb5eSDmitry Torokhov 270ba0acb5eSDmitry Torokhov ar2->jiffies = jiffies + msecs_to_jiffies(idev->rep[REP_PERIOD]); 271ba0acb5eSDmitry Torokhov break; 272ba0acb5eSDmitry Torokhov default: 273ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 274ba0acb5eSDmitry Torokhov "Unknown state byte (%02x %02x %02x %02x)\n", 275ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 276ba0acb5eSDmitry Torokhov return; 277ba0acb5eSDmitry Torokhov } 278ba0acb5eSDmitry Torokhov 279ba0acb5eSDmitry Torokhov input_event(idev, EV_KEY, ati_remote2_key_table[index].key_code, data[1]); 280ba0acb5eSDmitry Torokhov input_sync(idev); 281ba0acb5eSDmitry Torokhov } 282ba0acb5eSDmitry Torokhov 283ba0acb5eSDmitry Torokhov static void ati_remote2_complete_mouse(struct urb *urb) 284ba0acb5eSDmitry Torokhov { 285ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2 = urb->context; 286ba0acb5eSDmitry Torokhov int r; 287ba0acb5eSDmitry Torokhov 288ba0acb5eSDmitry Torokhov switch (urb->status) { 289ba0acb5eSDmitry Torokhov case 0: 290ba0acb5eSDmitry Torokhov ati_remote2_input_mouse(ar2); 291ba0acb5eSDmitry Torokhov break; 292ba0acb5eSDmitry Torokhov case -ENOENT: 293ba0acb5eSDmitry Torokhov case -EILSEQ: 294ba0acb5eSDmitry Torokhov case -ECONNRESET: 295ba0acb5eSDmitry Torokhov case -ESHUTDOWN: 296ba0acb5eSDmitry Torokhov dev_dbg(&ar2->intf[0]->dev, 297ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 298ba0acb5eSDmitry Torokhov return; 299ba0acb5eSDmitry Torokhov default: 300ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 301ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 302ba0acb5eSDmitry Torokhov } 303ba0acb5eSDmitry Torokhov 304ba0acb5eSDmitry Torokhov r = usb_submit_urb(urb, GFP_ATOMIC); 305ba0acb5eSDmitry Torokhov if (r) 306ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 307ea3e6c59SHarvey Harrison "%s(): usb_submit_urb() = %d\n", __func__, r); 308ba0acb5eSDmitry Torokhov } 309ba0acb5eSDmitry Torokhov 310ba0acb5eSDmitry Torokhov static void ati_remote2_complete_key(struct urb *urb) 311ba0acb5eSDmitry Torokhov { 312ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2 = urb->context; 313ba0acb5eSDmitry Torokhov int r; 314ba0acb5eSDmitry Torokhov 315ba0acb5eSDmitry Torokhov switch (urb->status) { 316ba0acb5eSDmitry Torokhov case 0: 317ba0acb5eSDmitry Torokhov ati_remote2_input_key(ar2); 318ba0acb5eSDmitry Torokhov break; 319ba0acb5eSDmitry Torokhov case -ENOENT: 320ba0acb5eSDmitry Torokhov case -EILSEQ: 321ba0acb5eSDmitry Torokhov case -ECONNRESET: 322ba0acb5eSDmitry Torokhov case -ESHUTDOWN: 323ba0acb5eSDmitry Torokhov dev_dbg(&ar2->intf[1]->dev, 324ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 325ba0acb5eSDmitry Torokhov return; 326ba0acb5eSDmitry Torokhov default: 327ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 328ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 329ba0acb5eSDmitry Torokhov } 330ba0acb5eSDmitry Torokhov 331ba0acb5eSDmitry Torokhov r = usb_submit_urb(urb, GFP_ATOMIC); 332ba0acb5eSDmitry Torokhov if (r) 333ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 334ea3e6c59SHarvey Harrison "%s(): usb_submit_urb() = %d\n", __func__, r); 335ba0acb5eSDmitry Torokhov } 336ba0acb5eSDmitry Torokhov 337ba0acb5eSDmitry Torokhov static int ati_remote2_input_init(struct ati_remote2 *ar2) 338ba0acb5eSDmitry Torokhov { 339ba0acb5eSDmitry Torokhov struct input_dev *idev; 340ba0acb5eSDmitry Torokhov int i, retval; 341ba0acb5eSDmitry Torokhov 342ba0acb5eSDmitry Torokhov idev = input_allocate_device(); 343ba0acb5eSDmitry Torokhov if (!idev) 344ba0acb5eSDmitry Torokhov return -ENOMEM; 345ba0acb5eSDmitry Torokhov 346ba0acb5eSDmitry Torokhov ar2->idev = idev; 347ba0acb5eSDmitry Torokhov input_set_drvdata(idev, ar2); 348ba0acb5eSDmitry Torokhov 3497b19ada2SJiri Slaby idev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) | BIT_MASK(EV_REL); 3507b19ada2SJiri Slaby idev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) | 3517b19ada2SJiri Slaby BIT_MASK(BTN_RIGHT); 3527b19ada2SJiri Slaby idev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); 353ba0acb5eSDmitry Torokhov for (i = 0; ati_remote2_key_table[i].key_code != KEY_RESERVED; i++) 354ba0acb5eSDmitry Torokhov set_bit(ati_remote2_key_table[i].key_code, idev->keybit); 355ba0acb5eSDmitry Torokhov 356ba0acb5eSDmitry Torokhov idev->rep[REP_DELAY] = 250; 357ba0acb5eSDmitry Torokhov idev->rep[REP_PERIOD] = 33; 358ba0acb5eSDmitry Torokhov 359ba0acb5eSDmitry Torokhov idev->open = ati_remote2_open; 360ba0acb5eSDmitry Torokhov idev->close = ati_remote2_close; 361ba0acb5eSDmitry Torokhov 362ba0acb5eSDmitry Torokhov idev->name = ar2->name; 363ba0acb5eSDmitry Torokhov idev->phys = ar2->phys; 364ba0acb5eSDmitry Torokhov 365ba0acb5eSDmitry Torokhov usb_to_input_id(ar2->udev, &idev->id); 366ba0acb5eSDmitry Torokhov idev->dev.parent = &ar2->udev->dev; 367ba0acb5eSDmitry Torokhov 368ba0acb5eSDmitry Torokhov retval = input_register_device(idev); 369ba0acb5eSDmitry Torokhov if (retval) 370ba0acb5eSDmitry Torokhov input_free_device(idev); 371ba0acb5eSDmitry Torokhov 372ba0acb5eSDmitry Torokhov return retval; 373ba0acb5eSDmitry Torokhov } 374ba0acb5eSDmitry Torokhov 375ba0acb5eSDmitry Torokhov static int ati_remote2_urb_init(struct ati_remote2 *ar2) 376ba0acb5eSDmitry Torokhov { 377ba0acb5eSDmitry Torokhov struct usb_device *udev = ar2->udev; 378ba0acb5eSDmitry Torokhov int i, pipe, maxp; 379ba0acb5eSDmitry Torokhov 380ba0acb5eSDmitry Torokhov for (i = 0; i < 2; i++) { 381ba0acb5eSDmitry Torokhov ar2->buf[i] = usb_buffer_alloc(udev, 4, GFP_KERNEL, &ar2->buf_dma[i]); 382ba0acb5eSDmitry Torokhov if (!ar2->buf[i]) 383ba0acb5eSDmitry Torokhov return -ENOMEM; 384ba0acb5eSDmitry Torokhov 385ba0acb5eSDmitry Torokhov ar2->urb[i] = usb_alloc_urb(0, GFP_KERNEL); 386ba0acb5eSDmitry Torokhov if (!ar2->urb[i]) 387ba0acb5eSDmitry Torokhov return -ENOMEM; 388ba0acb5eSDmitry Torokhov 389ba0acb5eSDmitry Torokhov pipe = usb_rcvintpipe(udev, ar2->ep[i]->bEndpointAddress); 390ba0acb5eSDmitry Torokhov maxp = usb_maxpacket(udev, pipe, usb_pipeout(pipe)); 391ba0acb5eSDmitry Torokhov maxp = maxp > 4 ? 4 : maxp; 392ba0acb5eSDmitry Torokhov 393ba0acb5eSDmitry Torokhov usb_fill_int_urb(ar2->urb[i], udev, pipe, ar2->buf[i], maxp, 394ba0acb5eSDmitry Torokhov i ? ati_remote2_complete_key : ati_remote2_complete_mouse, 395ba0acb5eSDmitry Torokhov ar2, ar2->ep[i]->bInterval); 396ba0acb5eSDmitry Torokhov ar2->urb[i]->transfer_dma = ar2->buf_dma[i]; 397ba0acb5eSDmitry Torokhov ar2->urb[i]->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; 398ba0acb5eSDmitry Torokhov } 399ba0acb5eSDmitry Torokhov 400ba0acb5eSDmitry Torokhov return 0; 401ba0acb5eSDmitry Torokhov } 402ba0acb5eSDmitry Torokhov 403ba0acb5eSDmitry Torokhov static void ati_remote2_urb_cleanup(struct ati_remote2 *ar2) 404ba0acb5eSDmitry Torokhov { 405ba0acb5eSDmitry Torokhov int i; 406ba0acb5eSDmitry Torokhov 407ba0acb5eSDmitry Torokhov for (i = 0; i < 2; i++) { 408ba0acb5eSDmitry Torokhov usb_free_urb(ar2->urb[i]); 409ba0acb5eSDmitry Torokhov usb_buffer_free(ar2->udev, 4, ar2->buf[i], ar2->buf_dma[i]); 410ba0acb5eSDmitry Torokhov } 411ba0acb5eSDmitry Torokhov } 412ba0acb5eSDmitry Torokhov 413ba0acb5eSDmitry Torokhov static int ati_remote2_setup(struct ati_remote2 *ar2) 414ba0acb5eSDmitry Torokhov { 415ba0acb5eSDmitry Torokhov int r, i, channel; 416ba0acb5eSDmitry Torokhov 417ba0acb5eSDmitry Torokhov /* 418ba0acb5eSDmitry Torokhov * Configure receiver to only accept input from remote "channel" 419ba0acb5eSDmitry Torokhov * channel == 0 -> Accept input from any remote channel 420ba0acb5eSDmitry Torokhov * channel == 1 -> Only accept input from remote channel 1 421ba0acb5eSDmitry Torokhov * channel == 2 -> Only accept input from remote channel 2 422ba0acb5eSDmitry Torokhov * ... 423ba0acb5eSDmitry Torokhov * channel == 16 -> Only accept input from remote channel 16 424ba0acb5eSDmitry Torokhov */ 425ba0acb5eSDmitry Torokhov 426ba0acb5eSDmitry Torokhov channel = 0; 427ba0acb5eSDmitry Torokhov for (i = 0; i < 16; i++) { 428ba0acb5eSDmitry Torokhov if ((1 << i) & channel_mask) { 429ba0acb5eSDmitry Torokhov if (!(~(1 << i) & 0xFFFF & channel_mask)) 430ba0acb5eSDmitry Torokhov channel = i + 1; 431ba0acb5eSDmitry Torokhov break; 432ba0acb5eSDmitry Torokhov } 433ba0acb5eSDmitry Torokhov } 434ba0acb5eSDmitry Torokhov 435ba0acb5eSDmitry Torokhov r = usb_control_msg(ar2->udev, usb_sndctrlpipe(ar2->udev, 0), 436ba0acb5eSDmitry Torokhov 0x20, 437ba0acb5eSDmitry Torokhov USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, 438ba0acb5eSDmitry Torokhov channel, 0x0, NULL, 0, USB_CTRL_SET_TIMEOUT); 439ba0acb5eSDmitry Torokhov if (r) { 440ba0acb5eSDmitry Torokhov dev_err(&ar2->udev->dev, "%s - failed to set channel due to error: %d\n", 441ea3e6c59SHarvey Harrison __func__, r); 442ba0acb5eSDmitry Torokhov return r; 443ba0acb5eSDmitry Torokhov } 444ba0acb5eSDmitry Torokhov 445ba0acb5eSDmitry Torokhov return 0; 446ba0acb5eSDmitry Torokhov } 447ba0acb5eSDmitry Torokhov 448ba0acb5eSDmitry Torokhov static int ati_remote2_probe(struct usb_interface *interface, const struct usb_device_id *id) 449ba0acb5eSDmitry Torokhov { 450ba0acb5eSDmitry Torokhov struct usb_device *udev = interface_to_usbdev(interface); 451ba0acb5eSDmitry Torokhov struct usb_host_interface *alt = interface->cur_altsetting; 452ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2; 453ba0acb5eSDmitry Torokhov int r; 454ba0acb5eSDmitry Torokhov 455ba0acb5eSDmitry Torokhov if (alt->desc.bInterfaceNumber) 456ba0acb5eSDmitry Torokhov return -ENODEV; 457ba0acb5eSDmitry Torokhov 458ba0acb5eSDmitry Torokhov ar2 = kzalloc(sizeof (struct ati_remote2), GFP_KERNEL); 459ba0acb5eSDmitry Torokhov if (!ar2) 460ba0acb5eSDmitry Torokhov return -ENOMEM; 461ba0acb5eSDmitry Torokhov 462ba0acb5eSDmitry Torokhov ar2->udev = udev; 463ba0acb5eSDmitry Torokhov 464ba0acb5eSDmitry Torokhov ar2->intf[0] = interface; 465ba0acb5eSDmitry Torokhov ar2->ep[0] = &alt->endpoint[0].desc; 466ba0acb5eSDmitry Torokhov 467ba0acb5eSDmitry Torokhov ar2->intf[1] = usb_ifnum_to_if(udev, 1); 468ba0acb5eSDmitry Torokhov r = usb_driver_claim_interface(&ati_remote2_driver, ar2->intf[1], ar2); 469ba0acb5eSDmitry Torokhov if (r) 470ba0acb5eSDmitry Torokhov goto fail1; 471ba0acb5eSDmitry Torokhov alt = ar2->intf[1]->cur_altsetting; 472ba0acb5eSDmitry Torokhov ar2->ep[1] = &alt->endpoint[0].desc; 473ba0acb5eSDmitry Torokhov 474ba0acb5eSDmitry Torokhov r = ati_remote2_urb_init(ar2); 475ba0acb5eSDmitry Torokhov if (r) 476ba0acb5eSDmitry Torokhov goto fail2; 477ba0acb5eSDmitry Torokhov 478ba0acb5eSDmitry Torokhov r = ati_remote2_setup(ar2); 479ba0acb5eSDmitry Torokhov if (r) 480ba0acb5eSDmitry Torokhov goto fail2; 481ba0acb5eSDmitry Torokhov 482ba0acb5eSDmitry Torokhov usb_make_path(udev, ar2->phys, sizeof(ar2->phys)); 483ba0acb5eSDmitry Torokhov strlcat(ar2->phys, "/input0", sizeof(ar2->phys)); 484ba0acb5eSDmitry Torokhov 485ba0acb5eSDmitry Torokhov strlcat(ar2->name, "ATI Remote Wonder II", sizeof(ar2->name)); 486ba0acb5eSDmitry Torokhov 487ba0acb5eSDmitry Torokhov r = ati_remote2_input_init(ar2); 488ba0acb5eSDmitry Torokhov if (r) 489ba0acb5eSDmitry Torokhov goto fail2; 490ba0acb5eSDmitry Torokhov 491ba0acb5eSDmitry Torokhov usb_set_intfdata(interface, ar2); 492ba0acb5eSDmitry Torokhov 493ba0acb5eSDmitry Torokhov return 0; 494ba0acb5eSDmitry Torokhov 495ba0acb5eSDmitry Torokhov fail2: 496ba0acb5eSDmitry Torokhov ati_remote2_urb_cleanup(ar2); 497ba0acb5eSDmitry Torokhov 498ba0acb5eSDmitry Torokhov usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]); 499ba0acb5eSDmitry Torokhov fail1: 500ba0acb5eSDmitry Torokhov kfree(ar2); 501ba0acb5eSDmitry Torokhov 502ba0acb5eSDmitry Torokhov return r; 503ba0acb5eSDmitry Torokhov } 504ba0acb5eSDmitry Torokhov 505ba0acb5eSDmitry Torokhov static void ati_remote2_disconnect(struct usb_interface *interface) 506ba0acb5eSDmitry Torokhov { 507ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2; 508ba0acb5eSDmitry Torokhov struct usb_host_interface *alt = interface->cur_altsetting; 509ba0acb5eSDmitry Torokhov 510ba0acb5eSDmitry Torokhov if (alt->desc.bInterfaceNumber) 511ba0acb5eSDmitry Torokhov return; 512ba0acb5eSDmitry Torokhov 513ba0acb5eSDmitry Torokhov ar2 = usb_get_intfdata(interface); 514ba0acb5eSDmitry Torokhov usb_set_intfdata(interface, NULL); 515ba0acb5eSDmitry Torokhov 516ba0acb5eSDmitry Torokhov input_unregister_device(ar2->idev); 517ba0acb5eSDmitry Torokhov 518ba0acb5eSDmitry Torokhov ati_remote2_urb_cleanup(ar2); 519ba0acb5eSDmitry Torokhov 520ba0acb5eSDmitry Torokhov usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]); 521ba0acb5eSDmitry Torokhov 522ba0acb5eSDmitry Torokhov kfree(ar2); 523ba0acb5eSDmitry Torokhov } 524ba0acb5eSDmitry Torokhov 525ba0acb5eSDmitry Torokhov static int __init ati_remote2_init(void) 526ba0acb5eSDmitry Torokhov { 527ba0acb5eSDmitry Torokhov int r; 528ba0acb5eSDmitry Torokhov 529ba0acb5eSDmitry Torokhov r = usb_register(&ati_remote2_driver); 530ba0acb5eSDmitry Torokhov if (r) 531ba0acb5eSDmitry Torokhov printk(KERN_ERR "ati_remote2: usb_register() = %d\n", r); 532ba0acb5eSDmitry Torokhov else 533ba0acb5eSDmitry Torokhov printk(KERN_INFO "ati_remote2: " DRIVER_DESC " " DRIVER_VERSION "\n"); 534ba0acb5eSDmitry Torokhov 535ba0acb5eSDmitry Torokhov return r; 536ba0acb5eSDmitry Torokhov } 537ba0acb5eSDmitry Torokhov 538ba0acb5eSDmitry Torokhov static void __exit ati_remote2_exit(void) 539ba0acb5eSDmitry Torokhov { 540ba0acb5eSDmitry Torokhov usb_deregister(&ati_remote2_driver); 541ba0acb5eSDmitry Torokhov } 542ba0acb5eSDmitry Torokhov 543ba0acb5eSDmitry Torokhov module_init(ati_remote2_init); 544ba0acb5eSDmitry Torokhov module_exit(ati_remote2_exit); 545