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 481971b9d5SVille Syrjala enum { 491971b9d5SVille Syrjala ATI_REMOTE2_AUX1, 501971b9d5SVille Syrjala ATI_REMOTE2_AUX2, 511971b9d5SVille Syrjala ATI_REMOTE2_AUX3, 521971b9d5SVille Syrjala ATI_REMOTE2_AUX4, 531971b9d5SVille Syrjala ATI_REMOTE2_PC, 541971b9d5SVille Syrjala ATI_REMOTE2_MODES, 551971b9d5SVille Syrjala }; 561971b9d5SVille Syrjala 571971b9d5SVille Syrjala static const struct { 581971b9d5SVille Syrjala u8 hw_code; 591971b9d5SVille Syrjala u16 keycode; 60ba0acb5eSDmitry Torokhov } ati_remote2_key_table[] = { 61ba0acb5eSDmitry Torokhov { 0x00, KEY_0 }, 62ba0acb5eSDmitry Torokhov { 0x01, KEY_1 }, 63ba0acb5eSDmitry Torokhov { 0x02, KEY_2 }, 64ba0acb5eSDmitry Torokhov { 0x03, KEY_3 }, 65ba0acb5eSDmitry Torokhov { 0x04, KEY_4 }, 66ba0acb5eSDmitry Torokhov { 0x05, KEY_5 }, 67ba0acb5eSDmitry Torokhov { 0x06, KEY_6 }, 68ba0acb5eSDmitry Torokhov { 0x07, KEY_7 }, 69ba0acb5eSDmitry Torokhov { 0x08, KEY_8 }, 70ba0acb5eSDmitry Torokhov { 0x09, KEY_9 }, 71ba0acb5eSDmitry Torokhov { 0x0c, KEY_POWER }, 72ba0acb5eSDmitry Torokhov { 0x0d, KEY_MUTE }, 73ba0acb5eSDmitry Torokhov { 0x10, KEY_VOLUMEUP }, 74ba0acb5eSDmitry Torokhov { 0x11, KEY_VOLUMEDOWN }, 75ba0acb5eSDmitry Torokhov { 0x20, KEY_CHANNELUP }, 76ba0acb5eSDmitry Torokhov { 0x21, KEY_CHANNELDOWN }, 77ba0acb5eSDmitry Torokhov { 0x28, KEY_FORWARD }, 78ba0acb5eSDmitry Torokhov { 0x29, KEY_REWIND }, 79ba0acb5eSDmitry Torokhov { 0x2c, KEY_PLAY }, 80ba0acb5eSDmitry Torokhov { 0x30, KEY_PAUSE }, 81ba0acb5eSDmitry Torokhov { 0x31, KEY_STOP }, 82ba0acb5eSDmitry Torokhov { 0x37, KEY_RECORD }, 83ba0acb5eSDmitry Torokhov { 0x38, KEY_DVD }, 84ba0acb5eSDmitry Torokhov { 0x39, KEY_TV }, 851971b9d5SVille Syrjala { 0x3f, KEY_PROG1 }, /* AUX1-AUX4 and PC */ 86ba0acb5eSDmitry Torokhov { 0x54, KEY_MENU }, 87ba0acb5eSDmitry Torokhov { 0x58, KEY_UP }, 88ba0acb5eSDmitry Torokhov { 0x59, KEY_DOWN }, 89ba0acb5eSDmitry Torokhov { 0x5a, KEY_LEFT }, 90ba0acb5eSDmitry Torokhov { 0x5b, KEY_RIGHT }, 91ba0acb5eSDmitry Torokhov { 0x5c, KEY_OK }, 92ba0acb5eSDmitry Torokhov { 0x78, KEY_A }, 93ba0acb5eSDmitry Torokhov { 0x79, KEY_B }, 94ba0acb5eSDmitry Torokhov { 0x7a, KEY_C }, 95ba0acb5eSDmitry Torokhov { 0x7b, KEY_D }, 96ba0acb5eSDmitry Torokhov { 0x7c, KEY_E }, 97ba0acb5eSDmitry Torokhov { 0x7d, KEY_F }, 98ba0acb5eSDmitry Torokhov { 0x82, KEY_ENTER }, 99ba0acb5eSDmitry Torokhov { 0x8e, KEY_VENDOR }, 100ba0acb5eSDmitry Torokhov { 0x96, KEY_COFFEE }, 101ba0acb5eSDmitry Torokhov { 0xa9, BTN_LEFT }, 102ba0acb5eSDmitry Torokhov { 0xaa, BTN_RIGHT }, 103ba0acb5eSDmitry Torokhov { 0xbe, KEY_QUESTION }, 104ba0acb5eSDmitry Torokhov { 0xd0, KEY_EDIT }, 1051971b9d5SVille Syrjala { 0xd5, KEY_FRONT }, 106ba0acb5eSDmitry Torokhov { 0xf9, KEY_INFO }, 107ba0acb5eSDmitry Torokhov }; 108ba0acb5eSDmitry Torokhov 109ba0acb5eSDmitry Torokhov struct ati_remote2 { 110ba0acb5eSDmitry Torokhov struct input_dev *idev; 111ba0acb5eSDmitry Torokhov struct usb_device *udev; 112ba0acb5eSDmitry Torokhov 113ba0acb5eSDmitry Torokhov struct usb_interface *intf[2]; 114ba0acb5eSDmitry Torokhov struct usb_endpoint_descriptor *ep[2]; 115ba0acb5eSDmitry Torokhov struct urb *urb[2]; 116ba0acb5eSDmitry Torokhov void *buf[2]; 117ba0acb5eSDmitry Torokhov dma_addr_t buf_dma[2]; 118ba0acb5eSDmitry Torokhov 119ba0acb5eSDmitry Torokhov unsigned long jiffies; 120ba0acb5eSDmitry Torokhov int mode; 121ba0acb5eSDmitry Torokhov 122ba0acb5eSDmitry Torokhov char name[64]; 123ba0acb5eSDmitry Torokhov char phys[64]; 1241971b9d5SVille Syrjala 1251971b9d5SVille Syrjala /* Each mode (AUX1-AUX4 and PC) can have an independent keymap. */ 1261971b9d5SVille Syrjala u16 keycode[ATI_REMOTE2_MODES][ARRAY_SIZE(ati_remote2_key_table)]; 127ba0acb5eSDmitry Torokhov }; 128ba0acb5eSDmitry Torokhov 129ba0acb5eSDmitry Torokhov static int ati_remote2_probe(struct usb_interface *interface, const struct usb_device_id *id); 130ba0acb5eSDmitry Torokhov static void ati_remote2_disconnect(struct usb_interface *interface); 131ba0acb5eSDmitry Torokhov 132ba0acb5eSDmitry Torokhov static struct usb_driver ati_remote2_driver = { 133ba0acb5eSDmitry Torokhov .name = "ati_remote2", 134ba0acb5eSDmitry Torokhov .probe = ati_remote2_probe, 135ba0acb5eSDmitry Torokhov .disconnect = ati_remote2_disconnect, 136ba0acb5eSDmitry Torokhov .id_table = ati_remote2_id_table, 137ba0acb5eSDmitry Torokhov }; 138ba0acb5eSDmitry Torokhov 139ba0acb5eSDmitry Torokhov static int ati_remote2_open(struct input_dev *idev) 140ba0acb5eSDmitry Torokhov { 141ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2 = input_get_drvdata(idev); 142ba0acb5eSDmitry Torokhov int r; 143ba0acb5eSDmitry Torokhov 144ba0acb5eSDmitry Torokhov r = usb_submit_urb(ar2->urb[0], GFP_KERNEL); 145ba0acb5eSDmitry Torokhov if (r) { 146ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 147ea3e6c59SHarvey Harrison "%s: usb_submit_urb() = %d\n", __func__, r); 148ba0acb5eSDmitry Torokhov return r; 149ba0acb5eSDmitry Torokhov } 150ba0acb5eSDmitry Torokhov r = usb_submit_urb(ar2->urb[1], GFP_KERNEL); 151ba0acb5eSDmitry Torokhov if (r) { 152ba0acb5eSDmitry Torokhov usb_kill_urb(ar2->urb[0]); 153ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 154ea3e6c59SHarvey Harrison "%s: usb_submit_urb() = %d\n", __func__, r); 155ba0acb5eSDmitry Torokhov return r; 156ba0acb5eSDmitry Torokhov } 157ba0acb5eSDmitry Torokhov 158ba0acb5eSDmitry Torokhov return 0; 159ba0acb5eSDmitry Torokhov } 160ba0acb5eSDmitry Torokhov 161ba0acb5eSDmitry Torokhov static void ati_remote2_close(struct input_dev *idev) 162ba0acb5eSDmitry Torokhov { 163ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2 = input_get_drvdata(idev); 164ba0acb5eSDmitry Torokhov 165ba0acb5eSDmitry Torokhov usb_kill_urb(ar2->urb[0]); 166ba0acb5eSDmitry Torokhov usb_kill_urb(ar2->urb[1]); 167ba0acb5eSDmitry Torokhov } 168ba0acb5eSDmitry Torokhov 169ba0acb5eSDmitry Torokhov static void ati_remote2_input_mouse(struct ati_remote2 *ar2) 170ba0acb5eSDmitry Torokhov { 171ba0acb5eSDmitry Torokhov struct input_dev *idev = ar2->idev; 172ba0acb5eSDmitry Torokhov u8 *data = ar2->buf[0]; 173ba0acb5eSDmitry Torokhov int channel, mode; 174ba0acb5eSDmitry Torokhov 175ba0acb5eSDmitry Torokhov channel = data[0] >> 4; 176ba0acb5eSDmitry Torokhov 177ba0acb5eSDmitry Torokhov if (!((1 << channel) & channel_mask)) 178ba0acb5eSDmitry Torokhov return; 179ba0acb5eSDmitry Torokhov 180ba0acb5eSDmitry Torokhov mode = data[0] & 0x0F; 181ba0acb5eSDmitry Torokhov 1821971b9d5SVille Syrjala if (mode > ATI_REMOTE2_PC) { 183ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 184ba0acb5eSDmitry Torokhov "Unknown mode byte (%02x %02x %02x %02x)\n", 185ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 186ba0acb5eSDmitry Torokhov return; 187ba0acb5eSDmitry Torokhov } 188ba0acb5eSDmitry Torokhov 189ba0acb5eSDmitry Torokhov if (!((1 << mode) & mode_mask)) 190ba0acb5eSDmitry Torokhov return; 191ba0acb5eSDmitry Torokhov 192ba0acb5eSDmitry Torokhov input_event(idev, EV_REL, REL_X, (s8) data[1]); 193ba0acb5eSDmitry Torokhov input_event(idev, EV_REL, REL_Y, (s8) data[2]); 194ba0acb5eSDmitry Torokhov input_sync(idev); 195ba0acb5eSDmitry Torokhov } 196ba0acb5eSDmitry Torokhov 197ba0acb5eSDmitry Torokhov static int ati_remote2_lookup(unsigned int hw_code) 198ba0acb5eSDmitry Torokhov { 199ba0acb5eSDmitry Torokhov int i; 200ba0acb5eSDmitry Torokhov 2011971b9d5SVille Syrjala for (i = 0; i < ARRAY_SIZE(ati_remote2_key_table); i++) 202ba0acb5eSDmitry Torokhov if (ati_remote2_key_table[i].hw_code == hw_code) 203ba0acb5eSDmitry Torokhov return i; 204ba0acb5eSDmitry Torokhov 205ba0acb5eSDmitry Torokhov return -1; 206ba0acb5eSDmitry Torokhov } 207ba0acb5eSDmitry Torokhov 208ba0acb5eSDmitry Torokhov static void ati_remote2_input_key(struct ati_remote2 *ar2) 209ba0acb5eSDmitry Torokhov { 210ba0acb5eSDmitry Torokhov struct input_dev *idev = ar2->idev; 211ba0acb5eSDmitry Torokhov u8 *data = ar2->buf[1]; 212ba0acb5eSDmitry Torokhov int channel, mode, hw_code, index; 213ba0acb5eSDmitry Torokhov 214ba0acb5eSDmitry Torokhov channel = data[0] >> 4; 215ba0acb5eSDmitry Torokhov 216ba0acb5eSDmitry Torokhov if (!((1 << channel) & channel_mask)) 217ba0acb5eSDmitry Torokhov return; 218ba0acb5eSDmitry Torokhov 219ba0acb5eSDmitry Torokhov mode = data[0] & 0x0F; 220ba0acb5eSDmitry Torokhov 2211971b9d5SVille Syrjala if (mode > ATI_REMOTE2_PC) { 222ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 223ba0acb5eSDmitry Torokhov "Unknown mode byte (%02x %02x %02x %02x)\n", 224ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 225ba0acb5eSDmitry Torokhov return; 226ba0acb5eSDmitry Torokhov } 227ba0acb5eSDmitry Torokhov 228ba0acb5eSDmitry Torokhov hw_code = data[2]; 229ba0acb5eSDmitry Torokhov if (hw_code == 0x3f) { 230ba0acb5eSDmitry Torokhov /* 231ba0acb5eSDmitry Torokhov * For some incomprehensible reason the mouse pad generates 232ba0acb5eSDmitry Torokhov * events which look identical to the events from the last 233ba0acb5eSDmitry Torokhov * pressed mode key. Naturally we don't want to generate key 234ba0acb5eSDmitry Torokhov * events for the mouse pad so we filter out any subsequent 235ba0acb5eSDmitry Torokhov * events from the same mode key. 236ba0acb5eSDmitry Torokhov */ 237ba0acb5eSDmitry Torokhov if (ar2->mode == mode) 238ba0acb5eSDmitry Torokhov return; 239ba0acb5eSDmitry Torokhov 240ba0acb5eSDmitry Torokhov if (data[1] == 0) 241ba0acb5eSDmitry Torokhov ar2->mode = mode; 242ba0acb5eSDmitry Torokhov } 243ba0acb5eSDmitry Torokhov 244ba0acb5eSDmitry Torokhov if (!((1 << mode) & mode_mask)) 245ba0acb5eSDmitry Torokhov return; 246ba0acb5eSDmitry Torokhov 247ba0acb5eSDmitry Torokhov index = ati_remote2_lookup(hw_code); 248ba0acb5eSDmitry Torokhov if (index < 0) { 249ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 250ba0acb5eSDmitry Torokhov "Unknown code byte (%02x %02x %02x %02x)\n", 251ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 252ba0acb5eSDmitry Torokhov return; 253ba0acb5eSDmitry Torokhov } 254ba0acb5eSDmitry Torokhov 255ba0acb5eSDmitry Torokhov switch (data[1]) { 256ba0acb5eSDmitry Torokhov case 0: /* release */ 257ba0acb5eSDmitry Torokhov break; 258ba0acb5eSDmitry Torokhov case 1: /* press */ 259ba0acb5eSDmitry Torokhov ar2->jiffies = jiffies + msecs_to_jiffies(idev->rep[REP_DELAY]); 260ba0acb5eSDmitry Torokhov break; 261ba0acb5eSDmitry Torokhov case 2: /* repeat */ 262ba0acb5eSDmitry Torokhov 263ba0acb5eSDmitry Torokhov /* No repeat for mouse buttons. */ 2641971b9d5SVille Syrjala if (ar2->keycode[mode][index] == BTN_LEFT || 2651971b9d5SVille Syrjala ar2->keycode[mode][index] == BTN_RIGHT) 266ba0acb5eSDmitry Torokhov return; 267ba0acb5eSDmitry Torokhov 268ba0acb5eSDmitry Torokhov if (!time_after_eq(jiffies, ar2->jiffies)) 269ba0acb5eSDmitry Torokhov return; 270ba0acb5eSDmitry Torokhov 271ba0acb5eSDmitry Torokhov ar2->jiffies = jiffies + msecs_to_jiffies(idev->rep[REP_PERIOD]); 272ba0acb5eSDmitry Torokhov break; 273ba0acb5eSDmitry Torokhov default: 274ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 275ba0acb5eSDmitry Torokhov "Unknown state byte (%02x %02x %02x %02x)\n", 276ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 277ba0acb5eSDmitry Torokhov return; 278ba0acb5eSDmitry Torokhov } 279ba0acb5eSDmitry Torokhov 2801971b9d5SVille Syrjala input_event(idev, EV_KEY, ar2->keycode[mode][index], data[1]); 281ba0acb5eSDmitry Torokhov input_sync(idev); 282ba0acb5eSDmitry Torokhov } 283ba0acb5eSDmitry Torokhov 284ba0acb5eSDmitry Torokhov static void ati_remote2_complete_mouse(struct urb *urb) 285ba0acb5eSDmitry Torokhov { 286ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2 = urb->context; 287ba0acb5eSDmitry Torokhov int r; 288ba0acb5eSDmitry Torokhov 289ba0acb5eSDmitry Torokhov switch (urb->status) { 290ba0acb5eSDmitry Torokhov case 0: 291ba0acb5eSDmitry Torokhov ati_remote2_input_mouse(ar2); 292ba0acb5eSDmitry Torokhov break; 293ba0acb5eSDmitry Torokhov case -ENOENT: 294ba0acb5eSDmitry Torokhov case -EILSEQ: 295ba0acb5eSDmitry Torokhov case -ECONNRESET: 296ba0acb5eSDmitry Torokhov case -ESHUTDOWN: 297ba0acb5eSDmitry Torokhov dev_dbg(&ar2->intf[0]->dev, 298ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 299ba0acb5eSDmitry Torokhov return; 300ba0acb5eSDmitry Torokhov default: 301ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 302ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 303ba0acb5eSDmitry Torokhov } 304ba0acb5eSDmitry Torokhov 305ba0acb5eSDmitry Torokhov r = usb_submit_urb(urb, GFP_ATOMIC); 306ba0acb5eSDmitry Torokhov if (r) 307ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 308ea3e6c59SHarvey Harrison "%s(): usb_submit_urb() = %d\n", __func__, r); 309ba0acb5eSDmitry Torokhov } 310ba0acb5eSDmitry Torokhov 311ba0acb5eSDmitry Torokhov static void ati_remote2_complete_key(struct urb *urb) 312ba0acb5eSDmitry Torokhov { 313ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2 = urb->context; 314ba0acb5eSDmitry Torokhov int r; 315ba0acb5eSDmitry Torokhov 316ba0acb5eSDmitry Torokhov switch (urb->status) { 317ba0acb5eSDmitry Torokhov case 0: 318ba0acb5eSDmitry Torokhov ati_remote2_input_key(ar2); 319ba0acb5eSDmitry Torokhov break; 320ba0acb5eSDmitry Torokhov case -ENOENT: 321ba0acb5eSDmitry Torokhov case -EILSEQ: 322ba0acb5eSDmitry Torokhov case -ECONNRESET: 323ba0acb5eSDmitry Torokhov case -ESHUTDOWN: 324ba0acb5eSDmitry Torokhov dev_dbg(&ar2->intf[1]->dev, 325ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 326ba0acb5eSDmitry Torokhov return; 327ba0acb5eSDmitry Torokhov default: 328ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 329ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 330ba0acb5eSDmitry Torokhov } 331ba0acb5eSDmitry Torokhov 332ba0acb5eSDmitry Torokhov r = usb_submit_urb(urb, GFP_ATOMIC); 333ba0acb5eSDmitry Torokhov if (r) 334ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 335ea3e6c59SHarvey Harrison "%s(): usb_submit_urb() = %d\n", __func__, r); 336ba0acb5eSDmitry Torokhov } 337ba0acb5eSDmitry Torokhov 3381971b9d5SVille Syrjala static int ati_remote2_getkeycode(struct input_dev *idev, 3391971b9d5SVille Syrjala int scancode, int *keycode) 3401971b9d5SVille Syrjala { 3411971b9d5SVille Syrjala struct ati_remote2 *ar2 = input_get_drvdata(idev); 3421971b9d5SVille Syrjala int index, mode; 3431971b9d5SVille Syrjala 3441971b9d5SVille Syrjala mode = scancode >> 8; 3451971b9d5SVille Syrjala if (mode > ATI_REMOTE2_PC || !((1 << mode) & mode_mask)) 3461971b9d5SVille Syrjala return -EINVAL; 3471971b9d5SVille Syrjala 3481971b9d5SVille Syrjala index = ati_remote2_lookup(scancode & 0xFF); 3491971b9d5SVille Syrjala if (index < 0) 3501971b9d5SVille Syrjala return -EINVAL; 3511971b9d5SVille Syrjala 3521971b9d5SVille Syrjala *keycode = ar2->keycode[mode][index]; 3531971b9d5SVille Syrjala return 0; 3541971b9d5SVille Syrjala } 3551971b9d5SVille Syrjala 3561971b9d5SVille Syrjala static int ati_remote2_setkeycode(struct input_dev *idev, int scancode, int keycode) 3571971b9d5SVille Syrjala { 3581971b9d5SVille Syrjala struct ati_remote2 *ar2 = input_get_drvdata(idev); 3591971b9d5SVille Syrjala int index, mode, old_keycode; 3601971b9d5SVille Syrjala 3611971b9d5SVille Syrjala mode = scancode >> 8; 3621971b9d5SVille Syrjala if (mode > ATI_REMOTE2_PC || !((1 << mode) & mode_mask)) 3631971b9d5SVille Syrjala return -EINVAL; 3641971b9d5SVille Syrjala 3651971b9d5SVille Syrjala index = ati_remote2_lookup(scancode & 0xFF); 3661971b9d5SVille Syrjala if (index < 0) 3671971b9d5SVille Syrjala return -EINVAL; 3681971b9d5SVille Syrjala 3691971b9d5SVille Syrjala if (keycode < KEY_RESERVED || keycode > KEY_MAX) 3701971b9d5SVille Syrjala return -EINVAL; 3711971b9d5SVille Syrjala 3721971b9d5SVille Syrjala old_keycode = ar2->keycode[mode][index]; 3731971b9d5SVille Syrjala ar2->keycode[mode][index] = keycode; 3741971b9d5SVille Syrjala set_bit(keycode, idev->keybit); 3751971b9d5SVille Syrjala 3761971b9d5SVille Syrjala for (mode = 0; mode < ATI_REMOTE2_MODES; mode++) { 3771971b9d5SVille Syrjala for (index = 0; index < ARRAY_SIZE(ati_remote2_key_table); index++) { 3781971b9d5SVille Syrjala if (ar2->keycode[mode][index] == old_keycode) 3791971b9d5SVille Syrjala return 0; 3801971b9d5SVille Syrjala } 3811971b9d5SVille Syrjala } 3821971b9d5SVille Syrjala 3831971b9d5SVille Syrjala clear_bit(old_keycode, idev->keybit); 3841971b9d5SVille Syrjala 3851971b9d5SVille Syrjala return 0; 3861971b9d5SVille Syrjala } 3871971b9d5SVille Syrjala 388ba0acb5eSDmitry Torokhov static int ati_remote2_input_init(struct ati_remote2 *ar2) 389ba0acb5eSDmitry Torokhov { 390ba0acb5eSDmitry Torokhov struct input_dev *idev; 3911971b9d5SVille Syrjala int index, mode, retval; 392ba0acb5eSDmitry Torokhov 393ba0acb5eSDmitry Torokhov idev = input_allocate_device(); 394ba0acb5eSDmitry Torokhov if (!idev) 395ba0acb5eSDmitry Torokhov return -ENOMEM; 396ba0acb5eSDmitry Torokhov 397ba0acb5eSDmitry Torokhov ar2->idev = idev; 398ba0acb5eSDmitry Torokhov input_set_drvdata(idev, ar2); 399ba0acb5eSDmitry Torokhov 4007b19ada2SJiri Slaby idev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) | BIT_MASK(EV_REL); 4017b19ada2SJiri Slaby idev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) | 4027b19ada2SJiri Slaby BIT_MASK(BTN_RIGHT); 4037b19ada2SJiri Slaby idev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); 4041971b9d5SVille Syrjala 4051971b9d5SVille Syrjala for (mode = 0; mode < ATI_REMOTE2_MODES; mode++) { 4061971b9d5SVille Syrjala for (index = 0; index < ARRAY_SIZE(ati_remote2_key_table); index++) { 4071971b9d5SVille Syrjala ar2->keycode[mode][index] = ati_remote2_key_table[index].keycode; 4081971b9d5SVille Syrjala set_bit(ar2->keycode[mode][index], idev->keybit); 4091971b9d5SVille Syrjala } 4101971b9d5SVille Syrjala } 4111971b9d5SVille Syrjala 4121971b9d5SVille Syrjala /* AUX1-AUX4 and PC generate the same scancode. */ 4131971b9d5SVille Syrjala index = ati_remote2_lookup(0x3f); 4141971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_AUX1][index] = KEY_PROG1; 4151971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_AUX2][index] = KEY_PROG2; 4161971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_AUX3][index] = KEY_PROG3; 4171971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_AUX4][index] = KEY_PROG4; 4181971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_PC][index] = KEY_PC; 4191971b9d5SVille Syrjala set_bit(KEY_PROG1, idev->keybit); 4201971b9d5SVille Syrjala set_bit(KEY_PROG2, idev->keybit); 4211971b9d5SVille Syrjala set_bit(KEY_PROG3, idev->keybit); 4221971b9d5SVille Syrjala set_bit(KEY_PROG4, idev->keybit); 4231971b9d5SVille Syrjala set_bit(KEY_PC, idev->keybit); 424ba0acb5eSDmitry Torokhov 425ba0acb5eSDmitry Torokhov idev->rep[REP_DELAY] = 250; 426ba0acb5eSDmitry Torokhov idev->rep[REP_PERIOD] = 33; 427ba0acb5eSDmitry Torokhov 428ba0acb5eSDmitry Torokhov idev->open = ati_remote2_open; 429ba0acb5eSDmitry Torokhov idev->close = ati_remote2_close; 430ba0acb5eSDmitry Torokhov 4311971b9d5SVille Syrjala idev->getkeycode = ati_remote2_getkeycode; 4321971b9d5SVille Syrjala idev->setkeycode = ati_remote2_setkeycode; 4331971b9d5SVille Syrjala 434ba0acb5eSDmitry Torokhov idev->name = ar2->name; 435ba0acb5eSDmitry Torokhov idev->phys = ar2->phys; 436ba0acb5eSDmitry Torokhov 437ba0acb5eSDmitry Torokhov usb_to_input_id(ar2->udev, &idev->id); 438ba0acb5eSDmitry Torokhov idev->dev.parent = &ar2->udev->dev; 439ba0acb5eSDmitry Torokhov 440ba0acb5eSDmitry Torokhov retval = input_register_device(idev); 441ba0acb5eSDmitry Torokhov if (retval) 442ba0acb5eSDmitry Torokhov input_free_device(idev); 443ba0acb5eSDmitry Torokhov 444ba0acb5eSDmitry Torokhov return retval; 445ba0acb5eSDmitry Torokhov } 446ba0acb5eSDmitry Torokhov 447ba0acb5eSDmitry Torokhov static int ati_remote2_urb_init(struct ati_remote2 *ar2) 448ba0acb5eSDmitry Torokhov { 449ba0acb5eSDmitry Torokhov struct usb_device *udev = ar2->udev; 450ba0acb5eSDmitry Torokhov int i, pipe, maxp; 451ba0acb5eSDmitry Torokhov 452ba0acb5eSDmitry Torokhov for (i = 0; i < 2; i++) { 453ba0acb5eSDmitry Torokhov ar2->buf[i] = usb_buffer_alloc(udev, 4, GFP_KERNEL, &ar2->buf_dma[i]); 454ba0acb5eSDmitry Torokhov if (!ar2->buf[i]) 455ba0acb5eSDmitry Torokhov return -ENOMEM; 456ba0acb5eSDmitry Torokhov 457ba0acb5eSDmitry Torokhov ar2->urb[i] = usb_alloc_urb(0, GFP_KERNEL); 458ba0acb5eSDmitry Torokhov if (!ar2->urb[i]) 459ba0acb5eSDmitry Torokhov return -ENOMEM; 460ba0acb5eSDmitry Torokhov 461ba0acb5eSDmitry Torokhov pipe = usb_rcvintpipe(udev, ar2->ep[i]->bEndpointAddress); 462ba0acb5eSDmitry Torokhov maxp = usb_maxpacket(udev, pipe, usb_pipeout(pipe)); 463ba0acb5eSDmitry Torokhov maxp = maxp > 4 ? 4 : maxp; 464ba0acb5eSDmitry Torokhov 465ba0acb5eSDmitry Torokhov usb_fill_int_urb(ar2->urb[i], udev, pipe, ar2->buf[i], maxp, 466ba0acb5eSDmitry Torokhov i ? ati_remote2_complete_key : ati_remote2_complete_mouse, 467ba0acb5eSDmitry Torokhov ar2, ar2->ep[i]->bInterval); 468ba0acb5eSDmitry Torokhov ar2->urb[i]->transfer_dma = ar2->buf_dma[i]; 469ba0acb5eSDmitry Torokhov ar2->urb[i]->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; 470ba0acb5eSDmitry Torokhov } 471ba0acb5eSDmitry Torokhov 472ba0acb5eSDmitry Torokhov return 0; 473ba0acb5eSDmitry Torokhov } 474ba0acb5eSDmitry Torokhov 475ba0acb5eSDmitry Torokhov static void ati_remote2_urb_cleanup(struct ati_remote2 *ar2) 476ba0acb5eSDmitry Torokhov { 477ba0acb5eSDmitry Torokhov int i; 478ba0acb5eSDmitry Torokhov 479ba0acb5eSDmitry Torokhov for (i = 0; i < 2; i++) { 480ba0acb5eSDmitry Torokhov usb_free_urb(ar2->urb[i]); 481ba0acb5eSDmitry Torokhov usb_buffer_free(ar2->udev, 4, ar2->buf[i], ar2->buf_dma[i]); 482ba0acb5eSDmitry Torokhov } 483ba0acb5eSDmitry Torokhov } 484ba0acb5eSDmitry Torokhov 485ba0acb5eSDmitry Torokhov static int ati_remote2_setup(struct ati_remote2 *ar2) 486ba0acb5eSDmitry Torokhov { 487ba0acb5eSDmitry Torokhov int r, i, channel; 488ba0acb5eSDmitry Torokhov 489ba0acb5eSDmitry Torokhov /* 490ba0acb5eSDmitry Torokhov * Configure receiver to only accept input from remote "channel" 491ba0acb5eSDmitry Torokhov * channel == 0 -> Accept input from any remote channel 492ba0acb5eSDmitry Torokhov * channel == 1 -> Only accept input from remote channel 1 493ba0acb5eSDmitry Torokhov * channel == 2 -> Only accept input from remote channel 2 494ba0acb5eSDmitry Torokhov * ... 495ba0acb5eSDmitry Torokhov * channel == 16 -> Only accept input from remote channel 16 496ba0acb5eSDmitry Torokhov */ 497ba0acb5eSDmitry Torokhov 498ba0acb5eSDmitry Torokhov channel = 0; 499ba0acb5eSDmitry Torokhov for (i = 0; i < 16; i++) { 500ba0acb5eSDmitry Torokhov if ((1 << i) & channel_mask) { 501ba0acb5eSDmitry Torokhov if (!(~(1 << i) & 0xFFFF & channel_mask)) 502ba0acb5eSDmitry Torokhov channel = i + 1; 503ba0acb5eSDmitry Torokhov break; 504ba0acb5eSDmitry Torokhov } 505ba0acb5eSDmitry Torokhov } 506ba0acb5eSDmitry Torokhov 507ba0acb5eSDmitry Torokhov r = usb_control_msg(ar2->udev, usb_sndctrlpipe(ar2->udev, 0), 508ba0acb5eSDmitry Torokhov 0x20, 509ba0acb5eSDmitry Torokhov USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, 510ba0acb5eSDmitry Torokhov channel, 0x0, NULL, 0, USB_CTRL_SET_TIMEOUT); 511ba0acb5eSDmitry Torokhov if (r) { 512ba0acb5eSDmitry Torokhov dev_err(&ar2->udev->dev, "%s - failed to set channel due to error: %d\n", 513ea3e6c59SHarvey Harrison __func__, r); 514ba0acb5eSDmitry Torokhov return r; 515ba0acb5eSDmitry Torokhov } 516ba0acb5eSDmitry Torokhov 517ba0acb5eSDmitry Torokhov return 0; 518ba0acb5eSDmitry Torokhov } 519ba0acb5eSDmitry Torokhov 520ba0acb5eSDmitry Torokhov static int ati_remote2_probe(struct usb_interface *interface, const struct usb_device_id *id) 521ba0acb5eSDmitry Torokhov { 522ba0acb5eSDmitry Torokhov struct usb_device *udev = interface_to_usbdev(interface); 523ba0acb5eSDmitry Torokhov struct usb_host_interface *alt = interface->cur_altsetting; 524ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2; 525ba0acb5eSDmitry Torokhov int r; 526ba0acb5eSDmitry Torokhov 527ba0acb5eSDmitry Torokhov if (alt->desc.bInterfaceNumber) 528ba0acb5eSDmitry Torokhov return -ENODEV; 529ba0acb5eSDmitry Torokhov 530ba0acb5eSDmitry Torokhov ar2 = kzalloc(sizeof (struct ati_remote2), GFP_KERNEL); 531ba0acb5eSDmitry Torokhov if (!ar2) 532ba0acb5eSDmitry Torokhov return -ENOMEM; 533ba0acb5eSDmitry Torokhov 534ba0acb5eSDmitry Torokhov ar2->udev = udev; 535ba0acb5eSDmitry Torokhov 536ba0acb5eSDmitry Torokhov ar2->intf[0] = interface; 537ba0acb5eSDmitry Torokhov ar2->ep[0] = &alt->endpoint[0].desc; 538ba0acb5eSDmitry Torokhov 539ba0acb5eSDmitry Torokhov ar2->intf[1] = usb_ifnum_to_if(udev, 1); 540ba0acb5eSDmitry Torokhov r = usb_driver_claim_interface(&ati_remote2_driver, ar2->intf[1], ar2); 541ba0acb5eSDmitry Torokhov if (r) 542ba0acb5eSDmitry Torokhov goto fail1; 543ba0acb5eSDmitry Torokhov alt = ar2->intf[1]->cur_altsetting; 544ba0acb5eSDmitry Torokhov ar2->ep[1] = &alt->endpoint[0].desc; 545ba0acb5eSDmitry Torokhov 546ba0acb5eSDmitry Torokhov r = ati_remote2_urb_init(ar2); 547ba0acb5eSDmitry Torokhov if (r) 548ba0acb5eSDmitry Torokhov goto fail2; 549ba0acb5eSDmitry Torokhov 550ba0acb5eSDmitry Torokhov r = ati_remote2_setup(ar2); 551ba0acb5eSDmitry Torokhov if (r) 552ba0acb5eSDmitry Torokhov goto fail2; 553ba0acb5eSDmitry Torokhov 554ba0acb5eSDmitry Torokhov usb_make_path(udev, ar2->phys, sizeof(ar2->phys)); 555ba0acb5eSDmitry Torokhov strlcat(ar2->phys, "/input0", sizeof(ar2->phys)); 556ba0acb5eSDmitry Torokhov 557ba0acb5eSDmitry Torokhov strlcat(ar2->name, "ATI Remote Wonder II", sizeof(ar2->name)); 558ba0acb5eSDmitry Torokhov 559ba0acb5eSDmitry Torokhov r = ati_remote2_input_init(ar2); 560ba0acb5eSDmitry Torokhov if (r) 561ba0acb5eSDmitry Torokhov goto fail2; 562ba0acb5eSDmitry Torokhov 563ba0acb5eSDmitry Torokhov usb_set_intfdata(interface, ar2); 564ba0acb5eSDmitry Torokhov 565ba0acb5eSDmitry Torokhov return 0; 566ba0acb5eSDmitry Torokhov 567ba0acb5eSDmitry Torokhov fail2: 568ba0acb5eSDmitry Torokhov ati_remote2_urb_cleanup(ar2); 569ba0acb5eSDmitry Torokhov 570ba0acb5eSDmitry Torokhov usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]); 571ba0acb5eSDmitry Torokhov fail1: 572ba0acb5eSDmitry Torokhov kfree(ar2); 573ba0acb5eSDmitry Torokhov 574ba0acb5eSDmitry Torokhov return r; 575ba0acb5eSDmitry Torokhov } 576ba0acb5eSDmitry Torokhov 577ba0acb5eSDmitry Torokhov static void ati_remote2_disconnect(struct usb_interface *interface) 578ba0acb5eSDmitry Torokhov { 579ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2; 580ba0acb5eSDmitry Torokhov struct usb_host_interface *alt = interface->cur_altsetting; 581ba0acb5eSDmitry Torokhov 582ba0acb5eSDmitry Torokhov if (alt->desc.bInterfaceNumber) 583ba0acb5eSDmitry Torokhov return; 584ba0acb5eSDmitry Torokhov 585ba0acb5eSDmitry Torokhov ar2 = usb_get_intfdata(interface); 586ba0acb5eSDmitry Torokhov usb_set_intfdata(interface, NULL); 587ba0acb5eSDmitry Torokhov 588ba0acb5eSDmitry Torokhov input_unregister_device(ar2->idev); 589ba0acb5eSDmitry Torokhov 590ba0acb5eSDmitry Torokhov ati_remote2_urb_cleanup(ar2); 591ba0acb5eSDmitry Torokhov 592ba0acb5eSDmitry Torokhov usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]); 593ba0acb5eSDmitry Torokhov 594ba0acb5eSDmitry Torokhov kfree(ar2); 595ba0acb5eSDmitry Torokhov } 596ba0acb5eSDmitry Torokhov 597ba0acb5eSDmitry Torokhov static int __init ati_remote2_init(void) 598ba0acb5eSDmitry Torokhov { 599ba0acb5eSDmitry Torokhov int r; 600ba0acb5eSDmitry Torokhov 601ba0acb5eSDmitry Torokhov r = usb_register(&ati_remote2_driver); 602ba0acb5eSDmitry Torokhov if (r) 603ba0acb5eSDmitry Torokhov printk(KERN_ERR "ati_remote2: usb_register() = %d\n", r); 604ba0acb5eSDmitry Torokhov else 605ba0acb5eSDmitry Torokhov printk(KERN_INFO "ati_remote2: " DRIVER_DESC " " DRIVER_VERSION "\n"); 606ba0acb5eSDmitry Torokhov 607ba0acb5eSDmitry Torokhov return r; 608ba0acb5eSDmitry Torokhov } 609ba0acb5eSDmitry Torokhov 610ba0acb5eSDmitry Torokhov static void __exit ati_remote2_exit(void) 611ba0acb5eSDmitry Torokhov { 612ba0acb5eSDmitry Torokhov usb_deregister(&ati_remote2_driver); 613ba0acb5eSDmitry Torokhov } 614ba0acb5eSDmitry Torokhov 615ba0acb5eSDmitry Torokhov module_init(ati_remote2_init); 616ba0acb5eSDmitry Torokhov module_exit(ati_remote2_exit); 617