1d2912cb1SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only 2ba0acb5eSDmitry Torokhov /* 3ba0acb5eSDmitry Torokhov * ati_remote2 - ATI/Philips USB RF remote driver 4ba0acb5eSDmitry Torokhov * 51971b9d5SVille Syrjala * Copyright (C) 2005-2008 Ville Syrjala <syrjala@sci.fi> 61971b9d5SVille Syrjala * Copyright (C) 2007-2008 Peter Stokes <linux@dadeos.co.uk> 7ba0acb5eSDmitry Torokhov */ 8ba0acb5eSDmitry Torokhov 9ba0acb5eSDmitry Torokhov #include <linux/usb/input.h> 105a0e3ad6STejun Heo #include <linux/slab.h> 11d2d8442dSPaul Gortmaker #include <linux/module.h> 12ba0acb5eSDmitry Torokhov 13ba0acb5eSDmitry Torokhov #define DRIVER_DESC "ATI/Philips USB RF remote driver" 14ba0acb5eSDmitry Torokhov 15ba0acb5eSDmitry Torokhov MODULE_DESCRIPTION(DRIVER_DESC); 16ba0acb5eSDmitry Torokhov MODULE_AUTHOR("Ville Syrjala <syrjala@sci.fi>"); 17ba0acb5eSDmitry Torokhov MODULE_LICENSE("GPL"); 18ba0acb5eSDmitry Torokhov 19ba0acb5eSDmitry Torokhov /* 20ba0acb5eSDmitry Torokhov * ATI Remote Wonder II Channel Configuration 21ba0acb5eSDmitry Torokhov * 22ff7242abSWolfram Sang * The remote control can be assigned one of sixteen "channels" in order to facilitate 23ba0acb5eSDmitry Torokhov * the use of multiple remote controls within range of each other. 24ba0acb5eSDmitry Torokhov * A remote's "channel" may be altered by pressing and holding the "PC" button for 25ba0acb5eSDmitry Torokhov * approximately 3 seconds, after which the button will slowly flash the count of the 26ba0acb5eSDmitry Torokhov * currently configured "channel", using the numeric keypad enter a number between 1 and 271971b9d5SVille Syrjala * 16 and then press the "PC" button again, the button will slowly flash the count of the 28ba0acb5eSDmitry Torokhov * newly configured "channel". 29ba0acb5eSDmitry Torokhov */ 30ba0acb5eSDmitry Torokhov 31d329e33cSVille Syrjala enum { 32d329e33cSVille Syrjala ATI_REMOTE2_MAX_CHANNEL_MASK = 0xFFFF, 33d329e33cSVille Syrjala ATI_REMOTE2_MAX_MODE_MASK = 0x1F, 34d329e33cSVille Syrjala }; 35d329e33cSVille Syrjala 368a49cfa9SVille Syrjala static int ati_remote2_set_mask(const char *val, 379bbb9e5aSRusty Russell const struct kernel_param *kp, 389bbb9e5aSRusty Russell unsigned int max) 398a49cfa9SVille Syrjala { 4076496e7aSJJ Ding unsigned int mask; 418a49cfa9SVille Syrjala int ret; 428a49cfa9SVille Syrjala 438a49cfa9SVille Syrjala if (!val) 448a49cfa9SVille Syrjala return -EINVAL; 458a49cfa9SVille Syrjala 4676496e7aSJJ Ding ret = kstrtouint(val, 0, &mask); 478a49cfa9SVille Syrjala if (ret) 488a49cfa9SVille Syrjala return ret; 498a49cfa9SVille Syrjala 508a49cfa9SVille Syrjala if (mask & ~max) 518a49cfa9SVille Syrjala return -EINVAL; 528a49cfa9SVille Syrjala 538a49cfa9SVille Syrjala *(unsigned int *)kp->arg = mask; 548a49cfa9SVille Syrjala 558a49cfa9SVille Syrjala return 0; 568a49cfa9SVille Syrjala } 578a49cfa9SVille Syrjala 588a49cfa9SVille Syrjala static int ati_remote2_set_channel_mask(const char *val, 599bbb9e5aSRusty Russell const struct kernel_param *kp) 608a49cfa9SVille Syrjala { 618a49cfa9SVille Syrjala pr_debug("%s()\n", __func__); 628a49cfa9SVille Syrjala 638a49cfa9SVille Syrjala return ati_remote2_set_mask(val, kp, ATI_REMOTE2_MAX_CHANNEL_MASK); 648a49cfa9SVille Syrjala } 658a49cfa9SVille Syrjala 669bbb9e5aSRusty Russell static int ati_remote2_get_channel_mask(char *buffer, 679bbb9e5aSRusty Russell const struct kernel_param *kp) 688a49cfa9SVille Syrjala { 698a49cfa9SVille Syrjala pr_debug("%s()\n", __func__); 708a49cfa9SVille Syrjala 71*37bd9e80SXiongfeng Wang return sprintf(buffer, "0x%04x\n", *(unsigned int *)kp->arg); 728a49cfa9SVille Syrjala } 738a49cfa9SVille Syrjala 749bbb9e5aSRusty Russell static int ati_remote2_set_mode_mask(const char *val, 759bbb9e5aSRusty Russell const struct kernel_param *kp) 768a49cfa9SVille Syrjala { 778a49cfa9SVille Syrjala pr_debug("%s()\n", __func__); 788a49cfa9SVille Syrjala 798a49cfa9SVille Syrjala return ati_remote2_set_mask(val, kp, ATI_REMOTE2_MAX_MODE_MASK); 808a49cfa9SVille Syrjala } 818a49cfa9SVille Syrjala 829bbb9e5aSRusty Russell static int ati_remote2_get_mode_mask(char *buffer, 839bbb9e5aSRusty Russell const struct kernel_param *kp) 848a49cfa9SVille Syrjala { 858a49cfa9SVille Syrjala pr_debug("%s()\n", __func__); 868a49cfa9SVille Syrjala 87*37bd9e80SXiongfeng Wang return sprintf(buffer, "0x%02x\n", *(unsigned int *)kp->arg); 888a49cfa9SVille Syrjala } 898a49cfa9SVille Syrjala 90d329e33cSVille Syrjala static unsigned int channel_mask = ATI_REMOTE2_MAX_CHANNEL_MASK; 918a49cfa9SVille Syrjala #define param_check_channel_mask(name, p) __param_check(name, p, unsigned int) 929c27847dSLuis R. Rodriguez static const struct kernel_param_ops param_ops_channel_mask = { 939bbb9e5aSRusty Russell .set = ati_remote2_set_channel_mask, 949bbb9e5aSRusty Russell .get = ati_remote2_get_channel_mask, 959bbb9e5aSRusty Russell }; 968a49cfa9SVille Syrjala module_param(channel_mask, channel_mask, 0644); 97ba0acb5eSDmitry Torokhov MODULE_PARM_DESC(channel_mask, "Bitmask of channels to accept <15:Channel16>...<1:Channel2><0:Channel1>"); 98ba0acb5eSDmitry Torokhov 99d329e33cSVille Syrjala static unsigned int mode_mask = ATI_REMOTE2_MAX_MODE_MASK; 1008a49cfa9SVille Syrjala #define param_check_mode_mask(name, p) __param_check(name, p, unsigned int) 1019c27847dSLuis R. Rodriguez static const struct kernel_param_ops param_ops_mode_mask = { 1029bbb9e5aSRusty Russell .set = ati_remote2_set_mode_mask, 1039bbb9e5aSRusty Russell .get = ati_remote2_get_mode_mask, 1049bbb9e5aSRusty Russell }; 1058a49cfa9SVille Syrjala module_param(mode_mask, mode_mask, 0644); 106ba0acb5eSDmitry Torokhov MODULE_PARM_DESC(mode_mask, "Bitmask of modes to accept <4:PC><3:AUX4><2:AUX3><1:AUX2><0:AUX1>"); 107ba0acb5eSDmitry Torokhov 10864954e34SArvind Yadav static const struct usb_device_id ati_remote2_id_table[] = { 109ba0acb5eSDmitry Torokhov { USB_DEVICE(0x0471, 0x0602) }, /* ATI Remote Wonder II */ 110ba0acb5eSDmitry Torokhov { } 111ba0acb5eSDmitry Torokhov }; 112ba0acb5eSDmitry Torokhov MODULE_DEVICE_TABLE(usb, ati_remote2_id_table); 113ba0acb5eSDmitry Torokhov 114d6505ab9SVille Syrjala static DEFINE_MUTEX(ati_remote2_mutex); 115d6505ab9SVille Syrjala 116d6505ab9SVille Syrjala enum { 117d6505ab9SVille Syrjala ATI_REMOTE2_OPENED = 0x1, 118d6505ab9SVille Syrjala ATI_REMOTE2_SUSPENDED = 0x2, 119d6505ab9SVille Syrjala }; 120d6505ab9SVille Syrjala 1211971b9d5SVille Syrjala enum { 1221971b9d5SVille Syrjala ATI_REMOTE2_AUX1, 1231971b9d5SVille Syrjala ATI_REMOTE2_AUX2, 1241971b9d5SVille Syrjala ATI_REMOTE2_AUX3, 1251971b9d5SVille Syrjala ATI_REMOTE2_AUX4, 1261971b9d5SVille Syrjala ATI_REMOTE2_PC, 1271971b9d5SVille Syrjala ATI_REMOTE2_MODES, 1281971b9d5SVille Syrjala }; 1291971b9d5SVille Syrjala 1301971b9d5SVille Syrjala static const struct { 1311971b9d5SVille Syrjala u8 hw_code; 1321971b9d5SVille Syrjala u16 keycode; 133ba0acb5eSDmitry Torokhov } ati_remote2_key_table[] = { 134ba0acb5eSDmitry Torokhov { 0x00, KEY_0 }, 135ba0acb5eSDmitry Torokhov { 0x01, KEY_1 }, 136ba0acb5eSDmitry Torokhov { 0x02, KEY_2 }, 137ba0acb5eSDmitry Torokhov { 0x03, KEY_3 }, 138ba0acb5eSDmitry Torokhov { 0x04, KEY_4 }, 139ba0acb5eSDmitry Torokhov { 0x05, KEY_5 }, 140ba0acb5eSDmitry Torokhov { 0x06, KEY_6 }, 141ba0acb5eSDmitry Torokhov { 0x07, KEY_7 }, 142ba0acb5eSDmitry Torokhov { 0x08, KEY_8 }, 143ba0acb5eSDmitry Torokhov { 0x09, KEY_9 }, 144ba0acb5eSDmitry Torokhov { 0x0c, KEY_POWER }, 145ba0acb5eSDmitry Torokhov { 0x0d, KEY_MUTE }, 146ba0acb5eSDmitry Torokhov { 0x10, KEY_VOLUMEUP }, 147ba0acb5eSDmitry Torokhov { 0x11, KEY_VOLUMEDOWN }, 148ba0acb5eSDmitry Torokhov { 0x20, KEY_CHANNELUP }, 149ba0acb5eSDmitry Torokhov { 0x21, KEY_CHANNELDOWN }, 150ba0acb5eSDmitry Torokhov { 0x28, KEY_FORWARD }, 151ba0acb5eSDmitry Torokhov { 0x29, KEY_REWIND }, 152ba0acb5eSDmitry Torokhov { 0x2c, KEY_PLAY }, 153ba0acb5eSDmitry Torokhov { 0x30, KEY_PAUSE }, 154ba0acb5eSDmitry Torokhov { 0x31, KEY_STOP }, 155ba0acb5eSDmitry Torokhov { 0x37, KEY_RECORD }, 156ba0acb5eSDmitry Torokhov { 0x38, KEY_DVD }, 157ba0acb5eSDmitry Torokhov { 0x39, KEY_TV }, 1581971b9d5SVille Syrjala { 0x3f, KEY_PROG1 }, /* AUX1-AUX4 and PC */ 159ba0acb5eSDmitry Torokhov { 0x54, KEY_MENU }, 160ba0acb5eSDmitry Torokhov { 0x58, KEY_UP }, 161ba0acb5eSDmitry Torokhov { 0x59, KEY_DOWN }, 162ba0acb5eSDmitry Torokhov { 0x5a, KEY_LEFT }, 163ba0acb5eSDmitry Torokhov { 0x5b, KEY_RIGHT }, 164ba0acb5eSDmitry Torokhov { 0x5c, KEY_OK }, 165ba0acb5eSDmitry Torokhov { 0x78, KEY_A }, 166ba0acb5eSDmitry Torokhov { 0x79, KEY_B }, 167ba0acb5eSDmitry Torokhov { 0x7a, KEY_C }, 168ba0acb5eSDmitry Torokhov { 0x7b, KEY_D }, 169ba0acb5eSDmitry Torokhov { 0x7c, KEY_E }, 170ba0acb5eSDmitry Torokhov { 0x7d, KEY_F }, 171ba0acb5eSDmitry Torokhov { 0x82, KEY_ENTER }, 172ba0acb5eSDmitry Torokhov { 0x8e, KEY_VENDOR }, 173ba0acb5eSDmitry Torokhov { 0x96, KEY_COFFEE }, 174ba0acb5eSDmitry Torokhov { 0xa9, BTN_LEFT }, 175ba0acb5eSDmitry Torokhov { 0xaa, BTN_RIGHT }, 176ba0acb5eSDmitry Torokhov { 0xbe, KEY_QUESTION }, 177ba0acb5eSDmitry Torokhov { 0xd0, KEY_EDIT }, 1781971b9d5SVille Syrjala { 0xd5, KEY_FRONT }, 179ba0acb5eSDmitry Torokhov { 0xf9, KEY_INFO }, 180ba0acb5eSDmitry Torokhov }; 181ba0acb5eSDmitry Torokhov 182ba0acb5eSDmitry Torokhov struct ati_remote2 { 183ba0acb5eSDmitry Torokhov struct input_dev *idev; 184ba0acb5eSDmitry Torokhov struct usb_device *udev; 185ba0acb5eSDmitry Torokhov 186ba0acb5eSDmitry Torokhov struct usb_interface *intf[2]; 187ba0acb5eSDmitry Torokhov struct usb_endpoint_descriptor *ep[2]; 188ba0acb5eSDmitry Torokhov struct urb *urb[2]; 189ba0acb5eSDmitry Torokhov void *buf[2]; 190ba0acb5eSDmitry Torokhov dma_addr_t buf_dma[2]; 191ba0acb5eSDmitry Torokhov 192ba0acb5eSDmitry Torokhov unsigned long jiffies; 193ba0acb5eSDmitry Torokhov int mode; 194ba0acb5eSDmitry Torokhov 195ba0acb5eSDmitry Torokhov char name[64]; 196ba0acb5eSDmitry Torokhov char phys[64]; 1971971b9d5SVille Syrjala 1981971b9d5SVille Syrjala /* Each mode (AUX1-AUX4 and PC) can have an independent keymap. */ 1991971b9d5SVille Syrjala u16 keycode[ATI_REMOTE2_MODES][ARRAY_SIZE(ati_remote2_key_table)]; 200d6505ab9SVille Syrjala 201d6505ab9SVille Syrjala unsigned int flags; 202d329e33cSVille Syrjala 203d329e33cSVille Syrjala unsigned int channel_mask; 204d329e33cSVille Syrjala unsigned int mode_mask; 205ba0acb5eSDmitry Torokhov }; 206ba0acb5eSDmitry Torokhov 207ba0acb5eSDmitry Torokhov static int ati_remote2_probe(struct usb_interface *interface, const struct usb_device_id *id); 208ba0acb5eSDmitry Torokhov static void ati_remote2_disconnect(struct usb_interface *interface); 209d6505ab9SVille Syrjala static int ati_remote2_suspend(struct usb_interface *interface, pm_message_t message); 210d6505ab9SVille Syrjala static int ati_remote2_resume(struct usb_interface *interface); 211169bc1efSVille Syrjala static int ati_remote2_reset_resume(struct usb_interface *interface); 212169bc1efSVille Syrjala static int ati_remote2_pre_reset(struct usb_interface *interface); 213169bc1efSVille Syrjala static int ati_remote2_post_reset(struct usb_interface *interface); 214ba0acb5eSDmitry Torokhov 215ba0acb5eSDmitry Torokhov static struct usb_driver ati_remote2_driver = { 216ba0acb5eSDmitry Torokhov .name = "ati_remote2", 217ba0acb5eSDmitry Torokhov .probe = ati_remote2_probe, 218ba0acb5eSDmitry Torokhov .disconnect = ati_remote2_disconnect, 219ba0acb5eSDmitry Torokhov .id_table = ati_remote2_id_table, 220d6505ab9SVille Syrjala .suspend = ati_remote2_suspend, 221d6505ab9SVille Syrjala .resume = ati_remote2_resume, 222169bc1efSVille Syrjala .reset_resume = ati_remote2_reset_resume, 223169bc1efSVille Syrjala .pre_reset = ati_remote2_pre_reset, 224169bc1efSVille Syrjala .post_reset = ati_remote2_post_reset, 225d6505ab9SVille Syrjala .supports_autosuspend = 1, 226ba0acb5eSDmitry Torokhov }; 227ba0acb5eSDmitry Torokhov 228d6505ab9SVille Syrjala static int ati_remote2_submit_urbs(struct ati_remote2 *ar2) 229ba0acb5eSDmitry Torokhov { 230ba0acb5eSDmitry Torokhov int r; 231ba0acb5eSDmitry Torokhov 232ba0acb5eSDmitry Torokhov r = usb_submit_urb(ar2->urb[0], GFP_KERNEL); 233ba0acb5eSDmitry Torokhov if (r) { 234ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 235d6505ab9SVille Syrjala "%s(): usb_submit_urb() = %d\n", __func__, r); 236ba0acb5eSDmitry Torokhov return r; 237ba0acb5eSDmitry Torokhov } 238ba0acb5eSDmitry Torokhov r = usb_submit_urb(ar2->urb[1], GFP_KERNEL); 239ba0acb5eSDmitry Torokhov if (r) { 240ba0acb5eSDmitry Torokhov usb_kill_urb(ar2->urb[0]); 241ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 242d6505ab9SVille Syrjala "%s(): usb_submit_urb() = %d\n", __func__, r); 243ba0acb5eSDmitry Torokhov return r; 244ba0acb5eSDmitry Torokhov } 245ba0acb5eSDmitry Torokhov 246ba0acb5eSDmitry Torokhov return 0; 247ba0acb5eSDmitry Torokhov } 248ba0acb5eSDmitry Torokhov 249d6505ab9SVille Syrjala static void ati_remote2_kill_urbs(struct ati_remote2 *ar2) 250d6505ab9SVille Syrjala { 251d6505ab9SVille Syrjala usb_kill_urb(ar2->urb[1]); 252d6505ab9SVille Syrjala usb_kill_urb(ar2->urb[0]); 253d6505ab9SVille Syrjala } 254d6505ab9SVille Syrjala 255d6505ab9SVille Syrjala static int ati_remote2_open(struct input_dev *idev) 256d6505ab9SVille Syrjala { 257d6505ab9SVille Syrjala struct ati_remote2 *ar2 = input_get_drvdata(idev); 258d6505ab9SVille Syrjala int r; 259d6505ab9SVille Syrjala 260d6505ab9SVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 261d6505ab9SVille Syrjala 262d6505ab9SVille Syrjala r = usb_autopm_get_interface(ar2->intf[0]); 263d6505ab9SVille Syrjala if (r) { 264d6505ab9SVille Syrjala dev_err(&ar2->intf[0]->dev, 265d6505ab9SVille Syrjala "%s(): usb_autopm_get_interface() = %d\n", __func__, r); 266d6505ab9SVille Syrjala goto fail1; 267d6505ab9SVille Syrjala } 268d6505ab9SVille Syrjala 269d6505ab9SVille Syrjala mutex_lock(&ati_remote2_mutex); 270d6505ab9SVille Syrjala 271d6505ab9SVille Syrjala if (!(ar2->flags & ATI_REMOTE2_SUSPENDED)) { 272d6505ab9SVille Syrjala r = ati_remote2_submit_urbs(ar2); 273d6505ab9SVille Syrjala if (r) 274d6505ab9SVille Syrjala goto fail2; 275d6505ab9SVille Syrjala } 276d6505ab9SVille Syrjala 277d6505ab9SVille Syrjala ar2->flags |= ATI_REMOTE2_OPENED; 278d6505ab9SVille Syrjala 279d6505ab9SVille Syrjala mutex_unlock(&ati_remote2_mutex); 280d6505ab9SVille Syrjala 281d6505ab9SVille Syrjala usb_autopm_put_interface(ar2->intf[0]); 282d6505ab9SVille Syrjala 283d6505ab9SVille Syrjala return 0; 284d6505ab9SVille Syrjala 285d6505ab9SVille Syrjala fail2: 286d6505ab9SVille Syrjala mutex_unlock(&ati_remote2_mutex); 287d6505ab9SVille Syrjala usb_autopm_put_interface(ar2->intf[0]); 288d6505ab9SVille Syrjala fail1: 289d6505ab9SVille Syrjala return r; 290d6505ab9SVille Syrjala } 291d6505ab9SVille Syrjala 292ba0acb5eSDmitry Torokhov static void ati_remote2_close(struct input_dev *idev) 293ba0acb5eSDmitry Torokhov { 294ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2 = input_get_drvdata(idev); 295ba0acb5eSDmitry Torokhov 296d6505ab9SVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 297d6505ab9SVille Syrjala 298d6505ab9SVille Syrjala mutex_lock(&ati_remote2_mutex); 299d6505ab9SVille Syrjala 300d6505ab9SVille Syrjala if (!(ar2->flags & ATI_REMOTE2_SUSPENDED)) 301d6505ab9SVille Syrjala ati_remote2_kill_urbs(ar2); 302d6505ab9SVille Syrjala 303d6505ab9SVille Syrjala ar2->flags &= ~ATI_REMOTE2_OPENED; 304d6505ab9SVille Syrjala 305d6505ab9SVille Syrjala mutex_unlock(&ati_remote2_mutex); 306ba0acb5eSDmitry Torokhov } 307ba0acb5eSDmitry Torokhov 308ba0acb5eSDmitry Torokhov static void ati_remote2_input_mouse(struct ati_remote2 *ar2) 309ba0acb5eSDmitry Torokhov { 310ba0acb5eSDmitry Torokhov struct input_dev *idev = ar2->idev; 311ba0acb5eSDmitry Torokhov u8 *data = ar2->buf[0]; 312ba0acb5eSDmitry Torokhov int channel, mode; 313ba0acb5eSDmitry Torokhov 314ba0acb5eSDmitry Torokhov channel = data[0] >> 4; 315ba0acb5eSDmitry Torokhov 316d329e33cSVille Syrjala if (!((1 << channel) & ar2->channel_mask)) 317ba0acb5eSDmitry Torokhov return; 318ba0acb5eSDmitry Torokhov 319ba0acb5eSDmitry Torokhov mode = data[0] & 0x0F; 320ba0acb5eSDmitry Torokhov 3211971b9d5SVille Syrjala if (mode > ATI_REMOTE2_PC) { 322ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 323ba0acb5eSDmitry Torokhov "Unknown mode byte (%02x %02x %02x %02x)\n", 324ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 325ba0acb5eSDmitry Torokhov return; 326ba0acb5eSDmitry Torokhov } 327ba0acb5eSDmitry Torokhov 328d329e33cSVille Syrjala if (!((1 << mode) & ar2->mode_mask)) 329ba0acb5eSDmitry Torokhov return; 330ba0acb5eSDmitry Torokhov 331ba0acb5eSDmitry Torokhov input_event(idev, EV_REL, REL_X, (s8) data[1]); 332ba0acb5eSDmitry Torokhov input_event(idev, EV_REL, REL_Y, (s8) data[2]); 333ba0acb5eSDmitry Torokhov input_sync(idev); 334ba0acb5eSDmitry Torokhov } 335ba0acb5eSDmitry Torokhov 336ba0acb5eSDmitry Torokhov static int ati_remote2_lookup(unsigned int hw_code) 337ba0acb5eSDmitry Torokhov { 338ba0acb5eSDmitry Torokhov int i; 339ba0acb5eSDmitry Torokhov 3401971b9d5SVille Syrjala for (i = 0; i < ARRAY_SIZE(ati_remote2_key_table); i++) 341ba0acb5eSDmitry Torokhov if (ati_remote2_key_table[i].hw_code == hw_code) 342ba0acb5eSDmitry Torokhov return i; 343ba0acb5eSDmitry Torokhov 344ba0acb5eSDmitry Torokhov return -1; 345ba0acb5eSDmitry Torokhov } 346ba0acb5eSDmitry Torokhov 347ba0acb5eSDmitry Torokhov static void ati_remote2_input_key(struct ati_remote2 *ar2) 348ba0acb5eSDmitry Torokhov { 349ba0acb5eSDmitry Torokhov struct input_dev *idev = ar2->idev; 350ba0acb5eSDmitry Torokhov u8 *data = ar2->buf[1]; 351ba0acb5eSDmitry Torokhov int channel, mode, hw_code, index; 352ba0acb5eSDmitry Torokhov 353ba0acb5eSDmitry Torokhov channel = data[0] >> 4; 354ba0acb5eSDmitry Torokhov 355d329e33cSVille Syrjala if (!((1 << channel) & ar2->channel_mask)) 356ba0acb5eSDmitry Torokhov return; 357ba0acb5eSDmitry Torokhov 358ba0acb5eSDmitry Torokhov mode = data[0] & 0x0F; 359ba0acb5eSDmitry Torokhov 3601971b9d5SVille Syrjala if (mode > ATI_REMOTE2_PC) { 361ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 362ba0acb5eSDmitry Torokhov "Unknown mode byte (%02x %02x %02x %02x)\n", 363ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 364ba0acb5eSDmitry Torokhov return; 365ba0acb5eSDmitry Torokhov } 366ba0acb5eSDmitry Torokhov 367ba0acb5eSDmitry Torokhov hw_code = data[2]; 368ba0acb5eSDmitry Torokhov if (hw_code == 0x3f) { 369ba0acb5eSDmitry Torokhov /* 370ba0acb5eSDmitry Torokhov * For some incomprehensible reason the mouse pad generates 371ba0acb5eSDmitry Torokhov * events which look identical to the events from the last 372ba0acb5eSDmitry Torokhov * pressed mode key. Naturally we don't want to generate key 373ba0acb5eSDmitry Torokhov * events for the mouse pad so we filter out any subsequent 374ba0acb5eSDmitry Torokhov * events from the same mode key. 375ba0acb5eSDmitry Torokhov */ 376ba0acb5eSDmitry Torokhov if (ar2->mode == mode) 377ba0acb5eSDmitry Torokhov return; 378ba0acb5eSDmitry Torokhov 379ba0acb5eSDmitry Torokhov if (data[1] == 0) 380ba0acb5eSDmitry Torokhov ar2->mode = mode; 381ba0acb5eSDmitry Torokhov } 382ba0acb5eSDmitry Torokhov 383d329e33cSVille Syrjala if (!((1 << mode) & ar2->mode_mask)) 384ba0acb5eSDmitry Torokhov return; 385ba0acb5eSDmitry Torokhov 386ba0acb5eSDmitry Torokhov index = ati_remote2_lookup(hw_code); 387ba0acb5eSDmitry Torokhov if (index < 0) { 388ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 389ba0acb5eSDmitry Torokhov "Unknown code byte (%02x %02x %02x %02x)\n", 390ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 391ba0acb5eSDmitry Torokhov return; 392ba0acb5eSDmitry Torokhov } 393ba0acb5eSDmitry Torokhov 394ba0acb5eSDmitry Torokhov switch (data[1]) { 395ba0acb5eSDmitry Torokhov case 0: /* release */ 396ba0acb5eSDmitry Torokhov break; 397ba0acb5eSDmitry Torokhov case 1: /* press */ 398ba0acb5eSDmitry Torokhov ar2->jiffies = jiffies + msecs_to_jiffies(idev->rep[REP_DELAY]); 399ba0acb5eSDmitry Torokhov break; 400ba0acb5eSDmitry Torokhov case 2: /* repeat */ 401ba0acb5eSDmitry Torokhov 402ba0acb5eSDmitry Torokhov /* No repeat for mouse buttons. */ 4031971b9d5SVille Syrjala if (ar2->keycode[mode][index] == BTN_LEFT || 4041971b9d5SVille Syrjala ar2->keycode[mode][index] == BTN_RIGHT) 405ba0acb5eSDmitry Torokhov return; 406ba0acb5eSDmitry Torokhov 407ba0acb5eSDmitry Torokhov if (!time_after_eq(jiffies, ar2->jiffies)) 408ba0acb5eSDmitry Torokhov return; 409ba0acb5eSDmitry Torokhov 410ba0acb5eSDmitry Torokhov ar2->jiffies = jiffies + msecs_to_jiffies(idev->rep[REP_PERIOD]); 411ba0acb5eSDmitry Torokhov break; 412ba0acb5eSDmitry Torokhov default: 413ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 414ba0acb5eSDmitry Torokhov "Unknown state byte (%02x %02x %02x %02x)\n", 415ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 416ba0acb5eSDmitry Torokhov return; 417ba0acb5eSDmitry Torokhov } 418ba0acb5eSDmitry Torokhov 4191971b9d5SVille Syrjala input_event(idev, EV_KEY, ar2->keycode[mode][index], data[1]); 420ba0acb5eSDmitry Torokhov input_sync(idev); 421ba0acb5eSDmitry Torokhov } 422ba0acb5eSDmitry Torokhov 423ba0acb5eSDmitry Torokhov static void ati_remote2_complete_mouse(struct urb *urb) 424ba0acb5eSDmitry Torokhov { 425ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2 = urb->context; 426ba0acb5eSDmitry Torokhov int r; 427ba0acb5eSDmitry Torokhov 428ba0acb5eSDmitry Torokhov switch (urb->status) { 429ba0acb5eSDmitry Torokhov case 0: 430d6505ab9SVille Syrjala usb_mark_last_busy(ar2->udev); 431ba0acb5eSDmitry Torokhov ati_remote2_input_mouse(ar2); 432ba0acb5eSDmitry Torokhov break; 433ba0acb5eSDmitry Torokhov case -ENOENT: 434ba0acb5eSDmitry Torokhov case -EILSEQ: 435ba0acb5eSDmitry Torokhov case -ECONNRESET: 436ba0acb5eSDmitry Torokhov case -ESHUTDOWN: 437ba0acb5eSDmitry Torokhov dev_dbg(&ar2->intf[0]->dev, 438ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 439ba0acb5eSDmitry Torokhov return; 440ba0acb5eSDmitry Torokhov default: 441d6505ab9SVille Syrjala usb_mark_last_busy(ar2->udev); 442ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 443ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 444ba0acb5eSDmitry Torokhov } 445ba0acb5eSDmitry Torokhov 446ba0acb5eSDmitry Torokhov r = usb_submit_urb(urb, GFP_ATOMIC); 447ba0acb5eSDmitry Torokhov if (r) 448ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 449ea3e6c59SHarvey Harrison "%s(): usb_submit_urb() = %d\n", __func__, r); 450ba0acb5eSDmitry Torokhov } 451ba0acb5eSDmitry Torokhov 452ba0acb5eSDmitry Torokhov static void ati_remote2_complete_key(struct urb *urb) 453ba0acb5eSDmitry Torokhov { 454ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2 = urb->context; 455ba0acb5eSDmitry Torokhov int r; 456ba0acb5eSDmitry Torokhov 457ba0acb5eSDmitry Torokhov switch (urb->status) { 458ba0acb5eSDmitry Torokhov case 0: 459d6505ab9SVille Syrjala usb_mark_last_busy(ar2->udev); 460ba0acb5eSDmitry Torokhov ati_remote2_input_key(ar2); 461ba0acb5eSDmitry Torokhov break; 462ba0acb5eSDmitry Torokhov case -ENOENT: 463ba0acb5eSDmitry Torokhov case -EILSEQ: 464ba0acb5eSDmitry Torokhov case -ECONNRESET: 465ba0acb5eSDmitry Torokhov case -ESHUTDOWN: 466ba0acb5eSDmitry Torokhov dev_dbg(&ar2->intf[1]->dev, 467ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 468ba0acb5eSDmitry Torokhov return; 469ba0acb5eSDmitry Torokhov default: 470d6505ab9SVille Syrjala usb_mark_last_busy(ar2->udev); 471ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 472ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 473ba0acb5eSDmitry Torokhov } 474ba0acb5eSDmitry Torokhov 475ba0acb5eSDmitry Torokhov r = usb_submit_urb(urb, GFP_ATOMIC); 476ba0acb5eSDmitry Torokhov if (r) 477ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 478ea3e6c59SHarvey Harrison "%s(): usb_submit_urb() = %d\n", __func__, r); 479ba0acb5eSDmitry Torokhov } 480ba0acb5eSDmitry Torokhov 4811971b9d5SVille Syrjala static int ati_remote2_getkeycode(struct input_dev *idev, 4821f7930c5SDmitry Torokhov struct input_keymap_entry *ke) 4831971b9d5SVille Syrjala { 4841971b9d5SVille Syrjala struct ati_remote2 *ar2 = input_get_drvdata(idev); 48558b93995SDmitry Torokhov unsigned int mode; 4861f7930c5SDmitry Torokhov int offset; 4871f7930c5SDmitry Torokhov unsigned int index; 4881f7930c5SDmitry Torokhov unsigned int scancode; 4891f7930c5SDmitry Torokhov 4901f7930c5SDmitry Torokhov if (ke->flags & INPUT_KEYMAP_BY_INDEX) { 4911f7930c5SDmitry Torokhov index = ke->index; 4921f7930c5SDmitry Torokhov if (index >= ATI_REMOTE2_MODES * 4931f7930c5SDmitry Torokhov ARRAY_SIZE(ati_remote2_key_table)) 4941f7930c5SDmitry Torokhov return -EINVAL; 4951f7930c5SDmitry Torokhov 4961f7930c5SDmitry Torokhov mode = ke->index / ARRAY_SIZE(ati_remote2_key_table); 4971f7930c5SDmitry Torokhov offset = ke->index % ARRAY_SIZE(ati_remote2_key_table); 4981f7930c5SDmitry Torokhov scancode = (mode << 8) + ati_remote2_key_table[offset].hw_code; 4991f7930c5SDmitry Torokhov } else { 5001f7930c5SDmitry Torokhov if (input_scancode_to_scalar(ke, &scancode)) 5011f7930c5SDmitry Torokhov return -EINVAL; 5021971b9d5SVille Syrjala 5031971b9d5SVille Syrjala mode = scancode >> 8; 5041f7930c5SDmitry Torokhov if (mode > ATI_REMOTE2_PC) 5051971b9d5SVille Syrjala return -EINVAL; 5061971b9d5SVille Syrjala 5071f7930c5SDmitry Torokhov offset = ati_remote2_lookup(scancode & 0xff); 5081f7930c5SDmitry Torokhov if (offset < 0) 5091971b9d5SVille Syrjala return -EINVAL; 5101971b9d5SVille Syrjala 5111f7930c5SDmitry Torokhov index = mode * ARRAY_SIZE(ati_remote2_key_table) + offset; 5121f7930c5SDmitry Torokhov } 5131f7930c5SDmitry Torokhov 5141f7930c5SDmitry Torokhov ke->keycode = ar2->keycode[mode][offset]; 5151f7930c5SDmitry Torokhov ke->len = sizeof(scancode); 5161f7930c5SDmitry Torokhov memcpy(&ke->scancode, &scancode, sizeof(scancode)); 5171f7930c5SDmitry Torokhov ke->index = index; 5181f7930c5SDmitry Torokhov 5191971b9d5SVille Syrjala return 0; 5201971b9d5SVille Syrjala } 5211971b9d5SVille Syrjala 52258b93995SDmitry Torokhov static int ati_remote2_setkeycode(struct input_dev *idev, 5231f7930c5SDmitry Torokhov const struct input_keymap_entry *ke, 5241f7930c5SDmitry Torokhov unsigned int *old_keycode) 5251971b9d5SVille Syrjala { 5261971b9d5SVille Syrjala struct ati_remote2 *ar2 = input_get_drvdata(idev); 5271f7930c5SDmitry Torokhov unsigned int mode; 5281f7930c5SDmitry Torokhov int offset; 5291f7930c5SDmitry Torokhov unsigned int index; 5301f7930c5SDmitry Torokhov unsigned int scancode; 5311f7930c5SDmitry Torokhov 5321f7930c5SDmitry Torokhov if (ke->flags & INPUT_KEYMAP_BY_INDEX) { 5331f7930c5SDmitry Torokhov if (ke->index >= ATI_REMOTE2_MODES * 5341f7930c5SDmitry Torokhov ARRAY_SIZE(ati_remote2_key_table)) 5351f7930c5SDmitry Torokhov return -EINVAL; 5361f7930c5SDmitry Torokhov 5371f7930c5SDmitry Torokhov mode = ke->index / ARRAY_SIZE(ati_remote2_key_table); 5381f7930c5SDmitry Torokhov offset = ke->index % ARRAY_SIZE(ati_remote2_key_table); 5391f7930c5SDmitry Torokhov } else { 5401f7930c5SDmitry Torokhov if (input_scancode_to_scalar(ke, &scancode)) 5411f7930c5SDmitry Torokhov return -EINVAL; 5421971b9d5SVille Syrjala 5431971b9d5SVille Syrjala mode = scancode >> 8; 5441f7930c5SDmitry Torokhov if (mode > ATI_REMOTE2_PC) 5451971b9d5SVille Syrjala return -EINVAL; 5461971b9d5SVille Syrjala 5471f7930c5SDmitry Torokhov offset = ati_remote2_lookup(scancode & 0xff); 5481f7930c5SDmitry Torokhov if (offset < 0) 5491971b9d5SVille Syrjala return -EINVAL; 5501f7930c5SDmitry Torokhov } 5511971b9d5SVille Syrjala 5521f7930c5SDmitry Torokhov *old_keycode = ar2->keycode[mode][offset]; 5531f7930c5SDmitry Torokhov ar2->keycode[mode][offset] = ke->keycode; 5541f7930c5SDmitry Torokhov __set_bit(ke->keycode, idev->keybit); 5551971b9d5SVille Syrjala 5561971b9d5SVille Syrjala for (mode = 0; mode < ATI_REMOTE2_MODES; mode++) { 5571971b9d5SVille Syrjala for (index = 0; index < ARRAY_SIZE(ati_remote2_key_table); index++) { 5581f7930c5SDmitry Torokhov if (ar2->keycode[mode][index] == *old_keycode) 5591971b9d5SVille Syrjala return 0; 5601971b9d5SVille Syrjala } 5611971b9d5SVille Syrjala } 5621971b9d5SVille Syrjala 5631f7930c5SDmitry Torokhov __clear_bit(*old_keycode, idev->keybit); 5641971b9d5SVille Syrjala 5651971b9d5SVille Syrjala return 0; 5661971b9d5SVille Syrjala } 5671971b9d5SVille Syrjala 568ba0acb5eSDmitry Torokhov static int ati_remote2_input_init(struct ati_remote2 *ar2) 569ba0acb5eSDmitry Torokhov { 570ba0acb5eSDmitry Torokhov struct input_dev *idev; 5711971b9d5SVille Syrjala int index, mode, retval; 572ba0acb5eSDmitry Torokhov 573ba0acb5eSDmitry Torokhov idev = input_allocate_device(); 574ba0acb5eSDmitry Torokhov if (!idev) 575ba0acb5eSDmitry Torokhov return -ENOMEM; 576ba0acb5eSDmitry Torokhov 577ba0acb5eSDmitry Torokhov ar2->idev = idev; 578ba0acb5eSDmitry Torokhov input_set_drvdata(idev, ar2); 579ba0acb5eSDmitry Torokhov 5807b19ada2SJiri Slaby idev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) | BIT_MASK(EV_REL); 5817b19ada2SJiri Slaby idev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) | 5827b19ada2SJiri Slaby BIT_MASK(BTN_RIGHT); 5837b19ada2SJiri Slaby idev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); 5841971b9d5SVille Syrjala 5851971b9d5SVille Syrjala for (mode = 0; mode < ATI_REMOTE2_MODES; mode++) { 5861971b9d5SVille Syrjala for (index = 0; index < ARRAY_SIZE(ati_remote2_key_table); index++) { 5871971b9d5SVille Syrjala ar2->keycode[mode][index] = ati_remote2_key_table[index].keycode; 588225c9886SVille Syrjala __set_bit(ar2->keycode[mode][index], idev->keybit); 5891971b9d5SVille Syrjala } 5901971b9d5SVille Syrjala } 5911971b9d5SVille Syrjala 5921971b9d5SVille Syrjala /* AUX1-AUX4 and PC generate the same scancode. */ 5931971b9d5SVille Syrjala index = ati_remote2_lookup(0x3f); 5941971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_AUX1][index] = KEY_PROG1; 5951971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_AUX2][index] = KEY_PROG2; 5961971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_AUX3][index] = KEY_PROG3; 5971971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_AUX4][index] = KEY_PROG4; 5981971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_PC][index] = KEY_PC; 599225c9886SVille Syrjala __set_bit(KEY_PROG1, idev->keybit); 600225c9886SVille Syrjala __set_bit(KEY_PROG2, idev->keybit); 601225c9886SVille Syrjala __set_bit(KEY_PROG3, idev->keybit); 602225c9886SVille Syrjala __set_bit(KEY_PROG4, idev->keybit); 603225c9886SVille Syrjala __set_bit(KEY_PC, idev->keybit); 604ba0acb5eSDmitry Torokhov 605ba0acb5eSDmitry Torokhov idev->rep[REP_DELAY] = 250; 606ba0acb5eSDmitry Torokhov idev->rep[REP_PERIOD] = 33; 607ba0acb5eSDmitry Torokhov 608ba0acb5eSDmitry Torokhov idev->open = ati_remote2_open; 609ba0acb5eSDmitry Torokhov idev->close = ati_remote2_close; 610ba0acb5eSDmitry Torokhov 611aebd636bSDmitry Torokhov idev->getkeycode = ati_remote2_getkeycode; 612aebd636bSDmitry Torokhov idev->setkeycode = ati_remote2_setkeycode; 6131971b9d5SVille Syrjala 614ba0acb5eSDmitry Torokhov idev->name = ar2->name; 615ba0acb5eSDmitry Torokhov idev->phys = ar2->phys; 616ba0acb5eSDmitry Torokhov 617ba0acb5eSDmitry Torokhov usb_to_input_id(ar2->udev, &idev->id); 618ba0acb5eSDmitry Torokhov idev->dev.parent = &ar2->udev->dev; 619ba0acb5eSDmitry Torokhov 620ba0acb5eSDmitry Torokhov retval = input_register_device(idev); 621ba0acb5eSDmitry Torokhov if (retval) 622ba0acb5eSDmitry Torokhov input_free_device(idev); 623ba0acb5eSDmitry Torokhov 624ba0acb5eSDmitry Torokhov return retval; 625ba0acb5eSDmitry Torokhov } 626ba0acb5eSDmitry Torokhov 627ba0acb5eSDmitry Torokhov static int ati_remote2_urb_init(struct ati_remote2 *ar2) 628ba0acb5eSDmitry Torokhov { 629ba0acb5eSDmitry Torokhov struct usb_device *udev = ar2->udev; 630ba0acb5eSDmitry Torokhov int i, pipe, maxp; 631ba0acb5eSDmitry Torokhov 632ba0acb5eSDmitry Torokhov for (i = 0; i < 2; i++) { 633997ea58eSDaniel Mack ar2->buf[i] = usb_alloc_coherent(udev, 4, GFP_KERNEL, &ar2->buf_dma[i]); 634ba0acb5eSDmitry Torokhov if (!ar2->buf[i]) 635ba0acb5eSDmitry Torokhov return -ENOMEM; 636ba0acb5eSDmitry Torokhov 637ba0acb5eSDmitry Torokhov ar2->urb[i] = usb_alloc_urb(0, GFP_KERNEL); 638ba0acb5eSDmitry Torokhov if (!ar2->urb[i]) 639ba0acb5eSDmitry Torokhov return -ENOMEM; 640ba0acb5eSDmitry Torokhov 641ba0acb5eSDmitry Torokhov pipe = usb_rcvintpipe(udev, ar2->ep[i]->bEndpointAddress); 642ba0acb5eSDmitry Torokhov maxp = usb_maxpacket(udev, pipe, usb_pipeout(pipe)); 643ba0acb5eSDmitry Torokhov maxp = maxp > 4 ? 4 : maxp; 644ba0acb5eSDmitry Torokhov 645ba0acb5eSDmitry Torokhov usb_fill_int_urb(ar2->urb[i], udev, pipe, ar2->buf[i], maxp, 646ba0acb5eSDmitry Torokhov i ? ati_remote2_complete_key : ati_remote2_complete_mouse, 647ba0acb5eSDmitry Torokhov ar2, ar2->ep[i]->bInterval); 648ba0acb5eSDmitry Torokhov ar2->urb[i]->transfer_dma = ar2->buf_dma[i]; 649ba0acb5eSDmitry Torokhov ar2->urb[i]->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; 650ba0acb5eSDmitry Torokhov } 651ba0acb5eSDmitry Torokhov 652ba0acb5eSDmitry Torokhov return 0; 653ba0acb5eSDmitry Torokhov } 654ba0acb5eSDmitry Torokhov 655ba0acb5eSDmitry Torokhov static void ati_remote2_urb_cleanup(struct ati_remote2 *ar2) 656ba0acb5eSDmitry Torokhov { 657ba0acb5eSDmitry Torokhov int i; 658ba0acb5eSDmitry Torokhov 659ba0acb5eSDmitry Torokhov for (i = 0; i < 2; i++) { 660ba0acb5eSDmitry Torokhov usb_free_urb(ar2->urb[i]); 661997ea58eSDaniel Mack usb_free_coherent(ar2->udev, 4, ar2->buf[i], ar2->buf_dma[i]); 662ba0acb5eSDmitry Torokhov } 663ba0acb5eSDmitry Torokhov } 664ba0acb5eSDmitry Torokhov 665d329e33cSVille Syrjala static int ati_remote2_setup(struct ati_remote2 *ar2, unsigned int ch_mask) 666ba0acb5eSDmitry Torokhov { 667ba0acb5eSDmitry Torokhov int r, i, channel; 668ba0acb5eSDmitry Torokhov 669ba0acb5eSDmitry Torokhov /* 670ba0acb5eSDmitry Torokhov * Configure receiver to only accept input from remote "channel" 671ba0acb5eSDmitry Torokhov * channel == 0 -> Accept input from any remote channel 672ba0acb5eSDmitry Torokhov * channel == 1 -> Only accept input from remote channel 1 673ba0acb5eSDmitry Torokhov * channel == 2 -> Only accept input from remote channel 2 674ba0acb5eSDmitry Torokhov * ... 675ba0acb5eSDmitry Torokhov * channel == 16 -> Only accept input from remote channel 16 676ba0acb5eSDmitry Torokhov */ 677ba0acb5eSDmitry Torokhov 678ba0acb5eSDmitry Torokhov channel = 0; 679ba0acb5eSDmitry Torokhov for (i = 0; i < 16; i++) { 680d329e33cSVille Syrjala if ((1 << i) & ch_mask) { 681d329e33cSVille Syrjala if (!(~(1 << i) & ch_mask)) 682ba0acb5eSDmitry Torokhov channel = i + 1; 683ba0acb5eSDmitry Torokhov break; 684ba0acb5eSDmitry Torokhov } 685ba0acb5eSDmitry Torokhov } 686ba0acb5eSDmitry Torokhov 687ba0acb5eSDmitry Torokhov r = usb_control_msg(ar2->udev, usb_sndctrlpipe(ar2->udev, 0), 688ba0acb5eSDmitry Torokhov 0x20, 689ba0acb5eSDmitry Torokhov USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, 690ba0acb5eSDmitry Torokhov channel, 0x0, NULL, 0, USB_CTRL_SET_TIMEOUT); 691ba0acb5eSDmitry Torokhov if (r) { 692ba0acb5eSDmitry Torokhov dev_err(&ar2->udev->dev, "%s - failed to set channel due to error: %d\n", 693ea3e6c59SHarvey Harrison __func__, r); 694ba0acb5eSDmitry Torokhov return r; 695ba0acb5eSDmitry Torokhov } 696ba0acb5eSDmitry Torokhov 697ba0acb5eSDmitry Torokhov return 0; 698ba0acb5eSDmitry Torokhov } 699ba0acb5eSDmitry Torokhov 700d329e33cSVille Syrjala static ssize_t ati_remote2_show_channel_mask(struct device *dev, 701d329e33cSVille Syrjala struct device_attribute *attr, 702d329e33cSVille Syrjala char *buf) 703d329e33cSVille Syrjala { 704d329e33cSVille Syrjala struct usb_device *udev = to_usb_device(dev); 705d329e33cSVille Syrjala struct usb_interface *intf = usb_ifnum_to_if(udev, 0); 706d329e33cSVille Syrjala struct ati_remote2 *ar2 = usb_get_intfdata(intf); 707d329e33cSVille Syrjala 708d329e33cSVille Syrjala return sprintf(buf, "0x%04x\n", ar2->channel_mask); 709d329e33cSVille Syrjala } 710d329e33cSVille Syrjala 711d329e33cSVille Syrjala static ssize_t ati_remote2_store_channel_mask(struct device *dev, 712d329e33cSVille Syrjala struct device_attribute *attr, 713d329e33cSVille Syrjala const char *buf, size_t count) 714d329e33cSVille Syrjala { 715d329e33cSVille Syrjala struct usb_device *udev = to_usb_device(dev); 716d329e33cSVille Syrjala struct usb_interface *intf = usb_ifnum_to_if(udev, 0); 717d329e33cSVille Syrjala struct ati_remote2 *ar2 = usb_get_intfdata(intf); 71876496e7aSJJ Ding unsigned int mask; 719d329e33cSVille Syrjala int r; 720d329e33cSVille Syrjala 72176496e7aSJJ Ding r = kstrtouint(buf, 0, &mask); 72276496e7aSJJ Ding if (r) 72376496e7aSJJ Ding return r; 724d329e33cSVille Syrjala 725d329e33cSVille Syrjala if (mask & ~ATI_REMOTE2_MAX_CHANNEL_MASK) 726d329e33cSVille Syrjala return -EINVAL; 727d329e33cSVille Syrjala 728d329e33cSVille Syrjala r = usb_autopm_get_interface(ar2->intf[0]); 729d329e33cSVille Syrjala if (r) { 730d329e33cSVille Syrjala dev_err(&ar2->intf[0]->dev, 731d329e33cSVille Syrjala "%s(): usb_autopm_get_interface() = %d\n", __func__, r); 732d329e33cSVille Syrjala return r; 733d329e33cSVille Syrjala } 734d329e33cSVille Syrjala 735d329e33cSVille Syrjala mutex_lock(&ati_remote2_mutex); 736d329e33cSVille Syrjala 7377388754eSVille Syrjala if (mask != ar2->channel_mask) { 7387388754eSVille Syrjala r = ati_remote2_setup(ar2, mask); 7397388754eSVille Syrjala if (!r) 740d329e33cSVille Syrjala ar2->channel_mask = mask; 7417388754eSVille Syrjala } 742d329e33cSVille Syrjala 743d329e33cSVille Syrjala mutex_unlock(&ati_remote2_mutex); 744d329e33cSVille Syrjala 745d329e33cSVille Syrjala usb_autopm_put_interface(ar2->intf[0]); 746d329e33cSVille Syrjala 7477388754eSVille Syrjala return r ? r : count; 748d329e33cSVille Syrjala } 749d329e33cSVille Syrjala 750d329e33cSVille Syrjala static ssize_t ati_remote2_show_mode_mask(struct device *dev, 751d329e33cSVille Syrjala struct device_attribute *attr, 752d329e33cSVille Syrjala char *buf) 753d329e33cSVille Syrjala { 754d329e33cSVille Syrjala struct usb_device *udev = to_usb_device(dev); 755d329e33cSVille Syrjala struct usb_interface *intf = usb_ifnum_to_if(udev, 0); 756d329e33cSVille Syrjala struct ati_remote2 *ar2 = usb_get_intfdata(intf); 757d329e33cSVille Syrjala 758d329e33cSVille Syrjala return sprintf(buf, "0x%02x\n", ar2->mode_mask); 759d329e33cSVille Syrjala } 760d329e33cSVille Syrjala 761d329e33cSVille Syrjala static ssize_t ati_remote2_store_mode_mask(struct device *dev, 762d329e33cSVille Syrjala struct device_attribute *attr, 763d329e33cSVille Syrjala const char *buf, size_t count) 764d329e33cSVille Syrjala { 765d329e33cSVille Syrjala struct usb_device *udev = to_usb_device(dev); 766d329e33cSVille Syrjala struct usb_interface *intf = usb_ifnum_to_if(udev, 0); 767d329e33cSVille Syrjala struct ati_remote2 *ar2 = usb_get_intfdata(intf); 76876496e7aSJJ Ding unsigned int mask; 76976496e7aSJJ Ding int err; 770d329e33cSVille Syrjala 77176496e7aSJJ Ding err = kstrtouint(buf, 0, &mask); 77276496e7aSJJ Ding if (err) 77376496e7aSJJ Ding return err; 774d329e33cSVille Syrjala 775d329e33cSVille Syrjala if (mask & ~ATI_REMOTE2_MAX_MODE_MASK) 776d329e33cSVille Syrjala return -EINVAL; 777d329e33cSVille Syrjala 778d329e33cSVille Syrjala ar2->mode_mask = mask; 779d329e33cSVille Syrjala 780d329e33cSVille Syrjala return count; 781d329e33cSVille Syrjala } 782d329e33cSVille Syrjala 783d329e33cSVille Syrjala static DEVICE_ATTR(channel_mask, 0644, ati_remote2_show_channel_mask, 784d329e33cSVille Syrjala ati_remote2_store_channel_mask); 785d329e33cSVille Syrjala 786d329e33cSVille Syrjala static DEVICE_ATTR(mode_mask, 0644, ati_remote2_show_mode_mask, 787d329e33cSVille Syrjala ati_remote2_store_mode_mask); 788d329e33cSVille Syrjala 789d329e33cSVille Syrjala static struct attribute *ati_remote2_attrs[] = { 790d329e33cSVille Syrjala &dev_attr_channel_mask.attr, 791d329e33cSVille Syrjala &dev_attr_mode_mask.attr, 792d329e33cSVille Syrjala NULL, 793d329e33cSVille Syrjala }; 794d329e33cSVille Syrjala 795d329e33cSVille Syrjala static struct attribute_group ati_remote2_attr_group = { 796d329e33cSVille Syrjala .attrs = ati_remote2_attrs, 797d329e33cSVille Syrjala }; 798d329e33cSVille Syrjala 799ba0acb5eSDmitry Torokhov static int ati_remote2_probe(struct usb_interface *interface, const struct usb_device_id *id) 800ba0acb5eSDmitry Torokhov { 801ba0acb5eSDmitry Torokhov struct usb_device *udev = interface_to_usbdev(interface); 802ba0acb5eSDmitry Torokhov struct usb_host_interface *alt = interface->cur_altsetting; 803ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2; 804ba0acb5eSDmitry Torokhov int r; 805ba0acb5eSDmitry Torokhov 806ba0acb5eSDmitry Torokhov if (alt->desc.bInterfaceNumber) 807ba0acb5eSDmitry Torokhov return -ENODEV; 808ba0acb5eSDmitry Torokhov 809ba0acb5eSDmitry Torokhov ar2 = kzalloc(sizeof (struct ati_remote2), GFP_KERNEL); 810ba0acb5eSDmitry Torokhov if (!ar2) 811ba0acb5eSDmitry Torokhov return -ENOMEM; 812ba0acb5eSDmitry Torokhov 813ba0acb5eSDmitry Torokhov ar2->udev = udev; 814ba0acb5eSDmitry Torokhov 815950336baSVladis Dronov /* Sanity check, first interface must have an endpoint */ 816950336baSVladis Dronov if (alt->desc.bNumEndpoints < 1 || !alt->endpoint) { 817950336baSVladis Dronov dev_err(&interface->dev, 818950336baSVladis Dronov "%s(): interface 0 must have an endpoint\n", __func__); 819950336baSVladis Dronov r = -ENODEV; 820950336baSVladis Dronov goto fail1; 821950336baSVladis Dronov } 822ba0acb5eSDmitry Torokhov ar2->intf[0] = interface; 823ba0acb5eSDmitry Torokhov ar2->ep[0] = &alt->endpoint[0].desc; 824ba0acb5eSDmitry Torokhov 825950336baSVladis Dronov /* Sanity check, the device must have two interfaces */ 826ba0acb5eSDmitry Torokhov ar2->intf[1] = usb_ifnum_to_if(udev, 1); 827950336baSVladis Dronov if ((udev->actconfig->desc.bNumInterfaces < 2) || !ar2->intf[1]) { 828950336baSVladis Dronov dev_err(&interface->dev, "%s(): need 2 interfaces, found %d\n", 829950336baSVladis Dronov __func__, udev->actconfig->desc.bNumInterfaces); 830950336baSVladis Dronov r = -ENODEV; 831950336baSVladis Dronov goto fail1; 832950336baSVladis Dronov } 833950336baSVladis Dronov 834ba0acb5eSDmitry Torokhov r = usb_driver_claim_interface(&ati_remote2_driver, ar2->intf[1], ar2); 835ba0acb5eSDmitry Torokhov if (r) 836ba0acb5eSDmitry Torokhov goto fail1; 837950336baSVladis Dronov 838950336baSVladis Dronov /* Sanity check, second interface must have an endpoint */ 839ba0acb5eSDmitry Torokhov alt = ar2->intf[1]->cur_altsetting; 840950336baSVladis Dronov if (alt->desc.bNumEndpoints < 1 || !alt->endpoint) { 841950336baSVladis Dronov dev_err(&interface->dev, 842950336baSVladis Dronov "%s(): interface 1 must have an endpoint\n", __func__); 843950336baSVladis Dronov r = -ENODEV; 844950336baSVladis Dronov goto fail2; 845950336baSVladis Dronov } 846ba0acb5eSDmitry Torokhov ar2->ep[1] = &alt->endpoint[0].desc; 847ba0acb5eSDmitry Torokhov 848ba0acb5eSDmitry Torokhov r = ati_remote2_urb_init(ar2); 849ba0acb5eSDmitry Torokhov if (r) 850950336baSVladis Dronov goto fail3; 851ba0acb5eSDmitry Torokhov 8528a49cfa9SVille Syrjala ar2->channel_mask = channel_mask; 8538a49cfa9SVille Syrjala ar2->mode_mask = mode_mask; 854d329e33cSVille Syrjala 855d329e33cSVille Syrjala r = ati_remote2_setup(ar2, ar2->channel_mask); 856ba0acb5eSDmitry Torokhov if (r) 857950336baSVladis Dronov goto fail3; 858ba0acb5eSDmitry Torokhov 859ba0acb5eSDmitry Torokhov usb_make_path(udev, ar2->phys, sizeof(ar2->phys)); 860ba0acb5eSDmitry Torokhov strlcat(ar2->phys, "/input0", sizeof(ar2->phys)); 861ba0acb5eSDmitry Torokhov 862ba0acb5eSDmitry Torokhov strlcat(ar2->name, "ATI Remote Wonder II", sizeof(ar2->name)); 863ba0acb5eSDmitry Torokhov 864d329e33cSVille Syrjala r = sysfs_create_group(&udev->dev.kobj, &ati_remote2_attr_group); 865ba0acb5eSDmitry Torokhov if (r) 866950336baSVladis Dronov goto fail3; 867ba0acb5eSDmitry Torokhov 868d329e33cSVille Syrjala r = ati_remote2_input_init(ar2); 869d329e33cSVille Syrjala if (r) 870950336baSVladis Dronov goto fail4; 871d329e33cSVille Syrjala 872ba0acb5eSDmitry Torokhov usb_set_intfdata(interface, ar2); 873ba0acb5eSDmitry Torokhov 874d6505ab9SVille Syrjala interface->needs_remote_wakeup = 1; 875d6505ab9SVille Syrjala 876ba0acb5eSDmitry Torokhov return 0; 877ba0acb5eSDmitry Torokhov 878950336baSVladis Dronov fail4: 879d329e33cSVille Syrjala sysfs_remove_group(&udev->dev.kobj, &ati_remote2_attr_group); 880950336baSVladis Dronov fail3: 881ba0acb5eSDmitry Torokhov ati_remote2_urb_cleanup(ar2); 882950336baSVladis Dronov fail2: 883ba0acb5eSDmitry Torokhov usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]); 884ba0acb5eSDmitry Torokhov fail1: 885ba0acb5eSDmitry Torokhov kfree(ar2); 886ba0acb5eSDmitry Torokhov 887ba0acb5eSDmitry Torokhov return r; 888ba0acb5eSDmitry Torokhov } 889ba0acb5eSDmitry Torokhov 890ba0acb5eSDmitry Torokhov static void ati_remote2_disconnect(struct usb_interface *interface) 891ba0acb5eSDmitry Torokhov { 892ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2; 893ba0acb5eSDmitry Torokhov struct usb_host_interface *alt = interface->cur_altsetting; 894ba0acb5eSDmitry Torokhov 895ba0acb5eSDmitry Torokhov if (alt->desc.bInterfaceNumber) 896ba0acb5eSDmitry Torokhov return; 897ba0acb5eSDmitry Torokhov 898ba0acb5eSDmitry Torokhov ar2 = usb_get_intfdata(interface); 899ba0acb5eSDmitry Torokhov usb_set_intfdata(interface, NULL); 900ba0acb5eSDmitry Torokhov 901ba0acb5eSDmitry Torokhov input_unregister_device(ar2->idev); 902ba0acb5eSDmitry Torokhov 903d329e33cSVille Syrjala sysfs_remove_group(&ar2->udev->dev.kobj, &ati_remote2_attr_group); 904d329e33cSVille Syrjala 905ba0acb5eSDmitry Torokhov ati_remote2_urb_cleanup(ar2); 906ba0acb5eSDmitry Torokhov 907ba0acb5eSDmitry Torokhov usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]); 908ba0acb5eSDmitry Torokhov 909ba0acb5eSDmitry Torokhov kfree(ar2); 910ba0acb5eSDmitry Torokhov } 911ba0acb5eSDmitry Torokhov 912d6505ab9SVille Syrjala static int ati_remote2_suspend(struct usb_interface *interface, 913d6505ab9SVille Syrjala pm_message_t message) 914d6505ab9SVille Syrjala { 915d6505ab9SVille Syrjala struct ati_remote2 *ar2; 916d6505ab9SVille Syrjala struct usb_host_interface *alt = interface->cur_altsetting; 917d6505ab9SVille Syrjala 918d6505ab9SVille Syrjala if (alt->desc.bInterfaceNumber) 919d6505ab9SVille Syrjala return 0; 920d6505ab9SVille Syrjala 921d6505ab9SVille Syrjala ar2 = usb_get_intfdata(interface); 922d6505ab9SVille Syrjala 923d6505ab9SVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 924d6505ab9SVille Syrjala 925d6505ab9SVille Syrjala mutex_lock(&ati_remote2_mutex); 926d6505ab9SVille Syrjala 927d6505ab9SVille Syrjala if (ar2->flags & ATI_REMOTE2_OPENED) 928d6505ab9SVille Syrjala ati_remote2_kill_urbs(ar2); 929d6505ab9SVille Syrjala 930d6505ab9SVille Syrjala ar2->flags |= ATI_REMOTE2_SUSPENDED; 931d6505ab9SVille Syrjala 932d6505ab9SVille Syrjala mutex_unlock(&ati_remote2_mutex); 933d6505ab9SVille Syrjala 934d6505ab9SVille Syrjala return 0; 935d6505ab9SVille Syrjala } 936d6505ab9SVille Syrjala 937d6505ab9SVille Syrjala static int ati_remote2_resume(struct usb_interface *interface) 938d6505ab9SVille Syrjala { 939d6505ab9SVille Syrjala struct ati_remote2 *ar2; 940d6505ab9SVille Syrjala struct usb_host_interface *alt = interface->cur_altsetting; 941d6505ab9SVille Syrjala int r = 0; 942d6505ab9SVille Syrjala 943d6505ab9SVille Syrjala if (alt->desc.bInterfaceNumber) 944d6505ab9SVille Syrjala return 0; 945d6505ab9SVille Syrjala 946d6505ab9SVille Syrjala ar2 = usb_get_intfdata(interface); 947d6505ab9SVille Syrjala 948d6505ab9SVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 949d6505ab9SVille Syrjala 950d6505ab9SVille Syrjala mutex_lock(&ati_remote2_mutex); 951d6505ab9SVille Syrjala 952d6505ab9SVille Syrjala if (ar2->flags & ATI_REMOTE2_OPENED) 953d6505ab9SVille Syrjala r = ati_remote2_submit_urbs(ar2); 954d6505ab9SVille Syrjala 955d6505ab9SVille Syrjala if (!r) 956d6505ab9SVille Syrjala ar2->flags &= ~ATI_REMOTE2_SUSPENDED; 957d6505ab9SVille Syrjala 958d6505ab9SVille Syrjala mutex_unlock(&ati_remote2_mutex); 959d6505ab9SVille Syrjala 960d6505ab9SVille Syrjala return r; 961d6505ab9SVille Syrjala } 962d6505ab9SVille Syrjala 963169bc1efSVille Syrjala static int ati_remote2_reset_resume(struct usb_interface *interface) 964169bc1efSVille Syrjala { 965169bc1efSVille Syrjala struct ati_remote2 *ar2; 966169bc1efSVille Syrjala struct usb_host_interface *alt = interface->cur_altsetting; 967169bc1efSVille Syrjala int r = 0; 968169bc1efSVille Syrjala 969169bc1efSVille Syrjala if (alt->desc.bInterfaceNumber) 970169bc1efSVille Syrjala return 0; 971169bc1efSVille Syrjala 972169bc1efSVille Syrjala ar2 = usb_get_intfdata(interface); 973169bc1efSVille Syrjala 974169bc1efSVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 975169bc1efSVille Syrjala 976169bc1efSVille Syrjala mutex_lock(&ati_remote2_mutex); 977169bc1efSVille Syrjala 978d329e33cSVille Syrjala r = ati_remote2_setup(ar2, ar2->channel_mask); 979169bc1efSVille Syrjala if (r) 980169bc1efSVille Syrjala goto out; 981169bc1efSVille Syrjala 982169bc1efSVille Syrjala if (ar2->flags & ATI_REMOTE2_OPENED) 983169bc1efSVille Syrjala r = ati_remote2_submit_urbs(ar2); 984169bc1efSVille Syrjala 985169bc1efSVille Syrjala if (!r) 986169bc1efSVille Syrjala ar2->flags &= ~ATI_REMOTE2_SUSPENDED; 987169bc1efSVille Syrjala 988169bc1efSVille Syrjala out: 989169bc1efSVille Syrjala mutex_unlock(&ati_remote2_mutex); 990169bc1efSVille Syrjala 991169bc1efSVille Syrjala return r; 992169bc1efSVille Syrjala } 993169bc1efSVille Syrjala 994169bc1efSVille Syrjala static int ati_remote2_pre_reset(struct usb_interface *interface) 995169bc1efSVille Syrjala { 996169bc1efSVille Syrjala struct ati_remote2 *ar2; 997169bc1efSVille Syrjala struct usb_host_interface *alt = interface->cur_altsetting; 998169bc1efSVille Syrjala 999169bc1efSVille Syrjala if (alt->desc.bInterfaceNumber) 1000169bc1efSVille Syrjala return 0; 1001169bc1efSVille Syrjala 1002169bc1efSVille Syrjala ar2 = usb_get_intfdata(interface); 1003169bc1efSVille Syrjala 1004169bc1efSVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 1005169bc1efSVille Syrjala 1006169bc1efSVille Syrjala mutex_lock(&ati_remote2_mutex); 1007169bc1efSVille Syrjala 1008169bc1efSVille Syrjala if (ar2->flags == ATI_REMOTE2_OPENED) 1009169bc1efSVille Syrjala ati_remote2_kill_urbs(ar2); 1010169bc1efSVille Syrjala 1011169bc1efSVille Syrjala return 0; 1012169bc1efSVille Syrjala } 1013169bc1efSVille Syrjala 1014169bc1efSVille Syrjala static int ati_remote2_post_reset(struct usb_interface *interface) 1015169bc1efSVille Syrjala { 1016169bc1efSVille Syrjala struct ati_remote2 *ar2; 1017169bc1efSVille Syrjala struct usb_host_interface *alt = interface->cur_altsetting; 1018169bc1efSVille Syrjala int r = 0; 1019169bc1efSVille Syrjala 1020169bc1efSVille Syrjala if (alt->desc.bInterfaceNumber) 1021169bc1efSVille Syrjala return 0; 1022169bc1efSVille Syrjala 1023169bc1efSVille Syrjala ar2 = usb_get_intfdata(interface); 1024169bc1efSVille Syrjala 1025169bc1efSVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 1026169bc1efSVille Syrjala 1027169bc1efSVille Syrjala if (ar2->flags == ATI_REMOTE2_OPENED) 1028169bc1efSVille Syrjala r = ati_remote2_submit_urbs(ar2); 1029169bc1efSVille Syrjala 1030169bc1efSVille Syrjala mutex_unlock(&ati_remote2_mutex); 1031169bc1efSVille Syrjala 1032169bc1efSVille Syrjala return r; 1033169bc1efSVille Syrjala } 1034169bc1efSVille Syrjala 103508642e7cSGreg Kroah-Hartman module_usb_driver(ati_remote2_driver); 1036