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> 135a0e3ad6STejun Heo #include <linux/slab.h> 14d2d8442dSPaul Gortmaker #include <linux/module.h> 15ba0acb5eSDmitry Torokhov 16ba0acb5eSDmitry Torokhov #define DRIVER_DESC "ATI/Philips USB RF remote driver" 171971b9d5SVille Syrjala #define DRIVER_VERSION "0.3" 18ba0acb5eSDmitry Torokhov 19ba0acb5eSDmitry Torokhov MODULE_DESCRIPTION(DRIVER_DESC); 20ba0acb5eSDmitry Torokhov MODULE_VERSION(DRIVER_VERSION); 21ba0acb5eSDmitry Torokhov MODULE_AUTHOR("Ville Syrjala <syrjala@sci.fi>"); 22ba0acb5eSDmitry Torokhov MODULE_LICENSE("GPL"); 23ba0acb5eSDmitry Torokhov 24ba0acb5eSDmitry Torokhov /* 25ba0acb5eSDmitry Torokhov * ATI Remote Wonder II Channel Configuration 26ba0acb5eSDmitry Torokhov * 27ba0acb5eSDmitry Torokhov * The remote control can by assigned one of sixteen "channels" in order to facilitate 28ba0acb5eSDmitry Torokhov * the use of multiple remote controls within range of each other. 29ba0acb5eSDmitry Torokhov * A remote's "channel" may be altered by pressing and holding the "PC" button for 30ba0acb5eSDmitry Torokhov * approximately 3 seconds, after which the button will slowly flash the count of the 31ba0acb5eSDmitry Torokhov * currently configured "channel", using the numeric keypad enter a number between 1 and 321971b9d5SVille Syrjala * 16 and then press the "PC" button again, the button will slowly flash the count of the 33ba0acb5eSDmitry Torokhov * newly configured "channel". 34ba0acb5eSDmitry Torokhov */ 35ba0acb5eSDmitry Torokhov 36d329e33cSVille Syrjala enum { 37d329e33cSVille Syrjala ATI_REMOTE2_MAX_CHANNEL_MASK = 0xFFFF, 38d329e33cSVille Syrjala ATI_REMOTE2_MAX_MODE_MASK = 0x1F, 39d329e33cSVille Syrjala }; 40d329e33cSVille Syrjala 418a49cfa9SVille Syrjala static int ati_remote2_set_mask(const char *val, 429bbb9e5aSRusty Russell const struct kernel_param *kp, 439bbb9e5aSRusty Russell unsigned int max) 448a49cfa9SVille Syrjala { 458a49cfa9SVille Syrjala unsigned long mask; 468a49cfa9SVille Syrjala int ret; 478a49cfa9SVille Syrjala 488a49cfa9SVille Syrjala if (!val) 498a49cfa9SVille Syrjala return -EINVAL; 508a49cfa9SVille Syrjala 518a49cfa9SVille Syrjala ret = strict_strtoul(val, 0, &mask); 528a49cfa9SVille Syrjala if (ret) 538a49cfa9SVille Syrjala return ret; 548a49cfa9SVille Syrjala 558a49cfa9SVille Syrjala if (mask & ~max) 568a49cfa9SVille Syrjala return -EINVAL; 578a49cfa9SVille Syrjala 588a49cfa9SVille Syrjala *(unsigned int *)kp->arg = mask; 598a49cfa9SVille Syrjala 608a49cfa9SVille Syrjala return 0; 618a49cfa9SVille Syrjala } 628a49cfa9SVille Syrjala 638a49cfa9SVille Syrjala static int ati_remote2_set_channel_mask(const char *val, 649bbb9e5aSRusty Russell const struct kernel_param *kp) 658a49cfa9SVille Syrjala { 668a49cfa9SVille Syrjala pr_debug("%s()\n", __func__); 678a49cfa9SVille Syrjala 688a49cfa9SVille Syrjala return ati_remote2_set_mask(val, kp, ATI_REMOTE2_MAX_CHANNEL_MASK); 698a49cfa9SVille Syrjala } 708a49cfa9SVille Syrjala 719bbb9e5aSRusty Russell static int ati_remote2_get_channel_mask(char *buffer, 729bbb9e5aSRusty Russell const struct kernel_param *kp) 738a49cfa9SVille Syrjala { 748a49cfa9SVille Syrjala pr_debug("%s()\n", __func__); 758a49cfa9SVille Syrjala 768a49cfa9SVille Syrjala return sprintf(buffer, "0x%04x", *(unsigned int *)kp->arg); 778a49cfa9SVille Syrjala } 788a49cfa9SVille Syrjala 799bbb9e5aSRusty Russell static int ati_remote2_set_mode_mask(const char *val, 809bbb9e5aSRusty Russell const struct kernel_param *kp) 818a49cfa9SVille Syrjala { 828a49cfa9SVille Syrjala pr_debug("%s()\n", __func__); 838a49cfa9SVille Syrjala 848a49cfa9SVille Syrjala return ati_remote2_set_mask(val, kp, ATI_REMOTE2_MAX_MODE_MASK); 858a49cfa9SVille Syrjala } 868a49cfa9SVille Syrjala 879bbb9e5aSRusty Russell static int ati_remote2_get_mode_mask(char *buffer, 889bbb9e5aSRusty Russell const struct kernel_param *kp) 898a49cfa9SVille Syrjala { 908a49cfa9SVille Syrjala pr_debug("%s()\n", __func__); 918a49cfa9SVille Syrjala 928a49cfa9SVille Syrjala return sprintf(buffer, "0x%02x", *(unsigned int *)kp->arg); 938a49cfa9SVille Syrjala } 948a49cfa9SVille Syrjala 95d329e33cSVille Syrjala static unsigned int channel_mask = ATI_REMOTE2_MAX_CHANNEL_MASK; 968a49cfa9SVille Syrjala #define param_check_channel_mask(name, p) __param_check(name, p, unsigned int) 979bbb9e5aSRusty Russell static struct kernel_param_ops param_ops_channel_mask = { 989bbb9e5aSRusty Russell .set = ati_remote2_set_channel_mask, 999bbb9e5aSRusty Russell .get = ati_remote2_get_channel_mask, 1009bbb9e5aSRusty Russell }; 1018a49cfa9SVille Syrjala module_param(channel_mask, channel_mask, 0644); 102ba0acb5eSDmitry Torokhov MODULE_PARM_DESC(channel_mask, "Bitmask of channels to accept <15:Channel16>...<1:Channel2><0:Channel1>"); 103ba0acb5eSDmitry Torokhov 104d329e33cSVille Syrjala static unsigned int mode_mask = ATI_REMOTE2_MAX_MODE_MASK; 1058a49cfa9SVille Syrjala #define param_check_mode_mask(name, p) __param_check(name, p, unsigned int) 1069bbb9e5aSRusty Russell static struct kernel_param_ops param_ops_mode_mask = { 1079bbb9e5aSRusty Russell .set = ati_remote2_set_mode_mask, 1089bbb9e5aSRusty Russell .get = ati_remote2_get_mode_mask, 1099bbb9e5aSRusty Russell }; 1108a49cfa9SVille Syrjala module_param(mode_mask, mode_mask, 0644); 111ba0acb5eSDmitry Torokhov MODULE_PARM_DESC(mode_mask, "Bitmask of modes to accept <4:PC><3:AUX4><2:AUX3><1:AUX2><0:AUX1>"); 112ba0acb5eSDmitry Torokhov 113ba0acb5eSDmitry Torokhov static struct usb_device_id ati_remote2_id_table[] = { 114ba0acb5eSDmitry Torokhov { USB_DEVICE(0x0471, 0x0602) }, /* ATI Remote Wonder II */ 115ba0acb5eSDmitry Torokhov { } 116ba0acb5eSDmitry Torokhov }; 117ba0acb5eSDmitry Torokhov MODULE_DEVICE_TABLE(usb, ati_remote2_id_table); 118ba0acb5eSDmitry Torokhov 119d6505ab9SVille Syrjala static DEFINE_MUTEX(ati_remote2_mutex); 120d6505ab9SVille Syrjala 121d6505ab9SVille Syrjala enum { 122d6505ab9SVille Syrjala ATI_REMOTE2_OPENED = 0x1, 123d6505ab9SVille Syrjala ATI_REMOTE2_SUSPENDED = 0x2, 124d6505ab9SVille Syrjala }; 125d6505ab9SVille Syrjala 1261971b9d5SVille Syrjala enum { 1271971b9d5SVille Syrjala ATI_REMOTE2_AUX1, 1281971b9d5SVille Syrjala ATI_REMOTE2_AUX2, 1291971b9d5SVille Syrjala ATI_REMOTE2_AUX3, 1301971b9d5SVille Syrjala ATI_REMOTE2_AUX4, 1311971b9d5SVille Syrjala ATI_REMOTE2_PC, 1321971b9d5SVille Syrjala ATI_REMOTE2_MODES, 1331971b9d5SVille Syrjala }; 1341971b9d5SVille Syrjala 1351971b9d5SVille Syrjala static const struct { 1361971b9d5SVille Syrjala u8 hw_code; 1371971b9d5SVille Syrjala u16 keycode; 138ba0acb5eSDmitry Torokhov } ati_remote2_key_table[] = { 139ba0acb5eSDmitry Torokhov { 0x00, KEY_0 }, 140ba0acb5eSDmitry Torokhov { 0x01, KEY_1 }, 141ba0acb5eSDmitry Torokhov { 0x02, KEY_2 }, 142ba0acb5eSDmitry Torokhov { 0x03, KEY_3 }, 143ba0acb5eSDmitry Torokhov { 0x04, KEY_4 }, 144ba0acb5eSDmitry Torokhov { 0x05, KEY_5 }, 145ba0acb5eSDmitry Torokhov { 0x06, KEY_6 }, 146ba0acb5eSDmitry Torokhov { 0x07, KEY_7 }, 147ba0acb5eSDmitry Torokhov { 0x08, KEY_8 }, 148ba0acb5eSDmitry Torokhov { 0x09, KEY_9 }, 149ba0acb5eSDmitry Torokhov { 0x0c, KEY_POWER }, 150ba0acb5eSDmitry Torokhov { 0x0d, KEY_MUTE }, 151ba0acb5eSDmitry Torokhov { 0x10, KEY_VOLUMEUP }, 152ba0acb5eSDmitry Torokhov { 0x11, KEY_VOLUMEDOWN }, 153ba0acb5eSDmitry Torokhov { 0x20, KEY_CHANNELUP }, 154ba0acb5eSDmitry Torokhov { 0x21, KEY_CHANNELDOWN }, 155ba0acb5eSDmitry Torokhov { 0x28, KEY_FORWARD }, 156ba0acb5eSDmitry Torokhov { 0x29, KEY_REWIND }, 157ba0acb5eSDmitry Torokhov { 0x2c, KEY_PLAY }, 158ba0acb5eSDmitry Torokhov { 0x30, KEY_PAUSE }, 159ba0acb5eSDmitry Torokhov { 0x31, KEY_STOP }, 160ba0acb5eSDmitry Torokhov { 0x37, KEY_RECORD }, 161ba0acb5eSDmitry Torokhov { 0x38, KEY_DVD }, 162ba0acb5eSDmitry Torokhov { 0x39, KEY_TV }, 1631971b9d5SVille Syrjala { 0x3f, KEY_PROG1 }, /* AUX1-AUX4 and PC */ 164ba0acb5eSDmitry Torokhov { 0x54, KEY_MENU }, 165ba0acb5eSDmitry Torokhov { 0x58, KEY_UP }, 166ba0acb5eSDmitry Torokhov { 0x59, KEY_DOWN }, 167ba0acb5eSDmitry Torokhov { 0x5a, KEY_LEFT }, 168ba0acb5eSDmitry Torokhov { 0x5b, KEY_RIGHT }, 169ba0acb5eSDmitry Torokhov { 0x5c, KEY_OK }, 170ba0acb5eSDmitry Torokhov { 0x78, KEY_A }, 171ba0acb5eSDmitry Torokhov { 0x79, KEY_B }, 172ba0acb5eSDmitry Torokhov { 0x7a, KEY_C }, 173ba0acb5eSDmitry Torokhov { 0x7b, KEY_D }, 174ba0acb5eSDmitry Torokhov { 0x7c, KEY_E }, 175ba0acb5eSDmitry Torokhov { 0x7d, KEY_F }, 176ba0acb5eSDmitry Torokhov { 0x82, KEY_ENTER }, 177ba0acb5eSDmitry Torokhov { 0x8e, KEY_VENDOR }, 178ba0acb5eSDmitry Torokhov { 0x96, KEY_COFFEE }, 179ba0acb5eSDmitry Torokhov { 0xa9, BTN_LEFT }, 180ba0acb5eSDmitry Torokhov { 0xaa, BTN_RIGHT }, 181ba0acb5eSDmitry Torokhov { 0xbe, KEY_QUESTION }, 182ba0acb5eSDmitry Torokhov { 0xd0, KEY_EDIT }, 1831971b9d5SVille Syrjala { 0xd5, KEY_FRONT }, 184ba0acb5eSDmitry Torokhov { 0xf9, KEY_INFO }, 185ba0acb5eSDmitry Torokhov }; 186ba0acb5eSDmitry Torokhov 187ba0acb5eSDmitry Torokhov struct ati_remote2 { 188ba0acb5eSDmitry Torokhov struct input_dev *idev; 189ba0acb5eSDmitry Torokhov struct usb_device *udev; 190ba0acb5eSDmitry Torokhov 191ba0acb5eSDmitry Torokhov struct usb_interface *intf[2]; 192ba0acb5eSDmitry Torokhov struct usb_endpoint_descriptor *ep[2]; 193ba0acb5eSDmitry Torokhov struct urb *urb[2]; 194ba0acb5eSDmitry Torokhov void *buf[2]; 195ba0acb5eSDmitry Torokhov dma_addr_t buf_dma[2]; 196ba0acb5eSDmitry Torokhov 197ba0acb5eSDmitry Torokhov unsigned long jiffies; 198ba0acb5eSDmitry Torokhov int mode; 199ba0acb5eSDmitry Torokhov 200ba0acb5eSDmitry Torokhov char name[64]; 201ba0acb5eSDmitry Torokhov char phys[64]; 2021971b9d5SVille Syrjala 2031971b9d5SVille Syrjala /* Each mode (AUX1-AUX4 and PC) can have an independent keymap. */ 2041971b9d5SVille Syrjala u16 keycode[ATI_REMOTE2_MODES][ARRAY_SIZE(ati_remote2_key_table)]; 205d6505ab9SVille Syrjala 206d6505ab9SVille Syrjala unsigned int flags; 207d329e33cSVille Syrjala 208d329e33cSVille Syrjala unsigned int channel_mask; 209d329e33cSVille Syrjala unsigned int mode_mask; 210ba0acb5eSDmitry Torokhov }; 211ba0acb5eSDmitry Torokhov 212ba0acb5eSDmitry Torokhov static int ati_remote2_probe(struct usb_interface *interface, const struct usb_device_id *id); 213ba0acb5eSDmitry Torokhov static void ati_remote2_disconnect(struct usb_interface *interface); 214d6505ab9SVille Syrjala static int ati_remote2_suspend(struct usb_interface *interface, pm_message_t message); 215d6505ab9SVille Syrjala static int ati_remote2_resume(struct usb_interface *interface); 216169bc1efSVille Syrjala static int ati_remote2_reset_resume(struct usb_interface *interface); 217169bc1efSVille Syrjala static int ati_remote2_pre_reset(struct usb_interface *interface); 218169bc1efSVille Syrjala static int ati_remote2_post_reset(struct usb_interface *interface); 219ba0acb5eSDmitry Torokhov 220ba0acb5eSDmitry Torokhov static struct usb_driver ati_remote2_driver = { 221ba0acb5eSDmitry Torokhov .name = "ati_remote2", 222ba0acb5eSDmitry Torokhov .probe = ati_remote2_probe, 223ba0acb5eSDmitry Torokhov .disconnect = ati_remote2_disconnect, 224ba0acb5eSDmitry Torokhov .id_table = ati_remote2_id_table, 225d6505ab9SVille Syrjala .suspend = ati_remote2_suspend, 226d6505ab9SVille Syrjala .resume = ati_remote2_resume, 227169bc1efSVille Syrjala .reset_resume = ati_remote2_reset_resume, 228169bc1efSVille Syrjala .pre_reset = ati_remote2_pre_reset, 229169bc1efSVille Syrjala .post_reset = ati_remote2_post_reset, 230d6505ab9SVille Syrjala .supports_autosuspend = 1, 231ba0acb5eSDmitry Torokhov }; 232ba0acb5eSDmitry Torokhov 233d6505ab9SVille Syrjala static int ati_remote2_submit_urbs(struct ati_remote2 *ar2) 234ba0acb5eSDmitry Torokhov { 235ba0acb5eSDmitry Torokhov int r; 236ba0acb5eSDmitry Torokhov 237ba0acb5eSDmitry Torokhov r = usb_submit_urb(ar2->urb[0], GFP_KERNEL); 238ba0acb5eSDmitry Torokhov if (r) { 239ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 240d6505ab9SVille Syrjala "%s(): usb_submit_urb() = %d\n", __func__, r); 241ba0acb5eSDmitry Torokhov return r; 242ba0acb5eSDmitry Torokhov } 243ba0acb5eSDmitry Torokhov r = usb_submit_urb(ar2->urb[1], GFP_KERNEL); 244ba0acb5eSDmitry Torokhov if (r) { 245ba0acb5eSDmitry Torokhov usb_kill_urb(ar2->urb[0]); 246ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 247d6505ab9SVille Syrjala "%s(): usb_submit_urb() = %d\n", __func__, r); 248ba0acb5eSDmitry Torokhov return r; 249ba0acb5eSDmitry Torokhov } 250ba0acb5eSDmitry Torokhov 251ba0acb5eSDmitry Torokhov return 0; 252ba0acb5eSDmitry Torokhov } 253ba0acb5eSDmitry Torokhov 254d6505ab9SVille Syrjala static void ati_remote2_kill_urbs(struct ati_remote2 *ar2) 255d6505ab9SVille Syrjala { 256d6505ab9SVille Syrjala usb_kill_urb(ar2->urb[1]); 257d6505ab9SVille Syrjala usb_kill_urb(ar2->urb[0]); 258d6505ab9SVille Syrjala } 259d6505ab9SVille Syrjala 260d6505ab9SVille Syrjala static int ati_remote2_open(struct input_dev *idev) 261d6505ab9SVille Syrjala { 262d6505ab9SVille Syrjala struct ati_remote2 *ar2 = input_get_drvdata(idev); 263d6505ab9SVille Syrjala int r; 264d6505ab9SVille Syrjala 265d6505ab9SVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 266d6505ab9SVille Syrjala 267d6505ab9SVille Syrjala r = usb_autopm_get_interface(ar2->intf[0]); 268d6505ab9SVille Syrjala if (r) { 269d6505ab9SVille Syrjala dev_err(&ar2->intf[0]->dev, 270d6505ab9SVille Syrjala "%s(): usb_autopm_get_interface() = %d\n", __func__, r); 271d6505ab9SVille Syrjala goto fail1; 272d6505ab9SVille Syrjala } 273d6505ab9SVille Syrjala 274d6505ab9SVille Syrjala mutex_lock(&ati_remote2_mutex); 275d6505ab9SVille Syrjala 276d6505ab9SVille Syrjala if (!(ar2->flags & ATI_REMOTE2_SUSPENDED)) { 277d6505ab9SVille Syrjala r = ati_remote2_submit_urbs(ar2); 278d6505ab9SVille Syrjala if (r) 279d6505ab9SVille Syrjala goto fail2; 280d6505ab9SVille Syrjala } 281d6505ab9SVille Syrjala 282d6505ab9SVille Syrjala ar2->flags |= ATI_REMOTE2_OPENED; 283d6505ab9SVille Syrjala 284d6505ab9SVille Syrjala mutex_unlock(&ati_remote2_mutex); 285d6505ab9SVille Syrjala 286d6505ab9SVille Syrjala usb_autopm_put_interface(ar2->intf[0]); 287d6505ab9SVille Syrjala 288d6505ab9SVille Syrjala return 0; 289d6505ab9SVille Syrjala 290d6505ab9SVille Syrjala fail2: 291d6505ab9SVille Syrjala mutex_unlock(&ati_remote2_mutex); 292d6505ab9SVille Syrjala usb_autopm_put_interface(ar2->intf[0]); 293d6505ab9SVille Syrjala fail1: 294d6505ab9SVille Syrjala return r; 295d6505ab9SVille Syrjala } 296d6505ab9SVille Syrjala 297ba0acb5eSDmitry Torokhov static void ati_remote2_close(struct input_dev *idev) 298ba0acb5eSDmitry Torokhov { 299ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2 = input_get_drvdata(idev); 300ba0acb5eSDmitry Torokhov 301d6505ab9SVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 302d6505ab9SVille Syrjala 303d6505ab9SVille Syrjala mutex_lock(&ati_remote2_mutex); 304d6505ab9SVille Syrjala 305d6505ab9SVille Syrjala if (!(ar2->flags & ATI_REMOTE2_SUSPENDED)) 306d6505ab9SVille Syrjala ati_remote2_kill_urbs(ar2); 307d6505ab9SVille Syrjala 308d6505ab9SVille Syrjala ar2->flags &= ~ATI_REMOTE2_OPENED; 309d6505ab9SVille Syrjala 310d6505ab9SVille Syrjala mutex_unlock(&ati_remote2_mutex); 311ba0acb5eSDmitry Torokhov } 312ba0acb5eSDmitry Torokhov 313ba0acb5eSDmitry Torokhov static void ati_remote2_input_mouse(struct ati_remote2 *ar2) 314ba0acb5eSDmitry Torokhov { 315ba0acb5eSDmitry Torokhov struct input_dev *idev = ar2->idev; 316ba0acb5eSDmitry Torokhov u8 *data = ar2->buf[0]; 317ba0acb5eSDmitry Torokhov int channel, mode; 318ba0acb5eSDmitry Torokhov 319ba0acb5eSDmitry Torokhov channel = data[0] >> 4; 320ba0acb5eSDmitry Torokhov 321d329e33cSVille Syrjala if (!((1 << channel) & ar2->channel_mask)) 322ba0acb5eSDmitry Torokhov return; 323ba0acb5eSDmitry Torokhov 324ba0acb5eSDmitry Torokhov mode = data[0] & 0x0F; 325ba0acb5eSDmitry Torokhov 3261971b9d5SVille Syrjala if (mode > ATI_REMOTE2_PC) { 327ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 328ba0acb5eSDmitry Torokhov "Unknown mode byte (%02x %02x %02x %02x)\n", 329ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 330ba0acb5eSDmitry Torokhov return; 331ba0acb5eSDmitry Torokhov } 332ba0acb5eSDmitry Torokhov 333d329e33cSVille Syrjala if (!((1 << mode) & ar2->mode_mask)) 334ba0acb5eSDmitry Torokhov return; 335ba0acb5eSDmitry Torokhov 336ba0acb5eSDmitry Torokhov input_event(idev, EV_REL, REL_X, (s8) data[1]); 337ba0acb5eSDmitry Torokhov input_event(idev, EV_REL, REL_Y, (s8) data[2]); 338ba0acb5eSDmitry Torokhov input_sync(idev); 339ba0acb5eSDmitry Torokhov } 340ba0acb5eSDmitry Torokhov 341ba0acb5eSDmitry Torokhov static int ati_remote2_lookup(unsigned int hw_code) 342ba0acb5eSDmitry Torokhov { 343ba0acb5eSDmitry Torokhov int i; 344ba0acb5eSDmitry Torokhov 3451971b9d5SVille Syrjala for (i = 0; i < ARRAY_SIZE(ati_remote2_key_table); i++) 346ba0acb5eSDmitry Torokhov if (ati_remote2_key_table[i].hw_code == hw_code) 347ba0acb5eSDmitry Torokhov return i; 348ba0acb5eSDmitry Torokhov 349ba0acb5eSDmitry Torokhov return -1; 350ba0acb5eSDmitry Torokhov } 351ba0acb5eSDmitry Torokhov 352ba0acb5eSDmitry Torokhov static void ati_remote2_input_key(struct ati_remote2 *ar2) 353ba0acb5eSDmitry Torokhov { 354ba0acb5eSDmitry Torokhov struct input_dev *idev = ar2->idev; 355ba0acb5eSDmitry Torokhov u8 *data = ar2->buf[1]; 356ba0acb5eSDmitry Torokhov int channel, mode, hw_code, index; 357ba0acb5eSDmitry Torokhov 358ba0acb5eSDmitry Torokhov channel = data[0] >> 4; 359ba0acb5eSDmitry Torokhov 360d329e33cSVille Syrjala if (!((1 << channel) & ar2->channel_mask)) 361ba0acb5eSDmitry Torokhov return; 362ba0acb5eSDmitry Torokhov 363ba0acb5eSDmitry Torokhov mode = data[0] & 0x0F; 364ba0acb5eSDmitry Torokhov 3651971b9d5SVille Syrjala if (mode > ATI_REMOTE2_PC) { 366ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 367ba0acb5eSDmitry Torokhov "Unknown mode byte (%02x %02x %02x %02x)\n", 368ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 369ba0acb5eSDmitry Torokhov return; 370ba0acb5eSDmitry Torokhov } 371ba0acb5eSDmitry Torokhov 372ba0acb5eSDmitry Torokhov hw_code = data[2]; 373ba0acb5eSDmitry Torokhov if (hw_code == 0x3f) { 374ba0acb5eSDmitry Torokhov /* 375ba0acb5eSDmitry Torokhov * For some incomprehensible reason the mouse pad generates 376ba0acb5eSDmitry Torokhov * events which look identical to the events from the last 377ba0acb5eSDmitry Torokhov * pressed mode key. Naturally we don't want to generate key 378ba0acb5eSDmitry Torokhov * events for the mouse pad so we filter out any subsequent 379ba0acb5eSDmitry Torokhov * events from the same mode key. 380ba0acb5eSDmitry Torokhov */ 381ba0acb5eSDmitry Torokhov if (ar2->mode == mode) 382ba0acb5eSDmitry Torokhov return; 383ba0acb5eSDmitry Torokhov 384ba0acb5eSDmitry Torokhov if (data[1] == 0) 385ba0acb5eSDmitry Torokhov ar2->mode = mode; 386ba0acb5eSDmitry Torokhov } 387ba0acb5eSDmitry Torokhov 388d329e33cSVille Syrjala if (!((1 << mode) & ar2->mode_mask)) 389ba0acb5eSDmitry Torokhov return; 390ba0acb5eSDmitry Torokhov 391ba0acb5eSDmitry Torokhov index = ati_remote2_lookup(hw_code); 392ba0acb5eSDmitry Torokhov if (index < 0) { 393ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 394ba0acb5eSDmitry Torokhov "Unknown code byte (%02x %02x %02x %02x)\n", 395ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 396ba0acb5eSDmitry Torokhov return; 397ba0acb5eSDmitry Torokhov } 398ba0acb5eSDmitry Torokhov 399ba0acb5eSDmitry Torokhov switch (data[1]) { 400ba0acb5eSDmitry Torokhov case 0: /* release */ 401ba0acb5eSDmitry Torokhov break; 402ba0acb5eSDmitry Torokhov case 1: /* press */ 403ba0acb5eSDmitry Torokhov ar2->jiffies = jiffies + msecs_to_jiffies(idev->rep[REP_DELAY]); 404ba0acb5eSDmitry Torokhov break; 405ba0acb5eSDmitry Torokhov case 2: /* repeat */ 406ba0acb5eSDmitry Torokhov 407ba0acb5eSDmitry Torokhov /* No repeat for mouse buttons. */ 4081971b9d5SVille Syrjala if (ar2->keycode[mode][index] == BTN_LEFT || 4091971b9d5SVille Syrjala ar2->keycode[mode][index] == BTN_RIGHT) 410ba0acb5eSDmitry Torokhov return; 411ba0acb5eSDmitry Torokhov 412ba0acb5eSDmitry Torokhov if (!time_after_eq(jiffies, ar2->jiffies)) 413ba0acb5eSDmitry Torokhov return; 414ba0acb5eSDmitry Torokhov 415ba0acb5eSDmitry Torokhov ar2->jiffies = jiffies + msecs_to_jiffies(idev->rep[REP_PERIOD]); 416ba0acb5eSDmitry Torokhov break; 417ba0acb5eSDmitry Torokhov default: 418ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 419ba0acb5eSDmitry Torokhov "Unknown state byte (%02x %02x %02x %02x)\n", 420ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 421ba0acb5eSDmitry Torokhov return; 422ba0acb5eSDmitry Torokhov } 423ba0acb5eSDmitry Torokhov 4241971b9d5SVille Syrjala input_event(idev, EV_KEY, ar2->keycode[mode][index], data[1]); 425ba0acb5eSDmitry Torokhov input_sync(idev); 426ba0acb5eSDmitry Torokhov } 427ba0acb5eSDmitry Torokhov 428ba0acb5eSDmitry Torokhov static void ati_remote2_complete_mouse(struct urb *urb) 429ba0acb5eSDmitry Torokhov { 430ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2 = urb->context; 431ba0acb5eSDmitry Torokhov int r; 432ba0acb5eSDmitry Torokhov 433ba0acb5eSDmitry Torokhov switch (urb->status) { 434ba0acb5eSDmitry Torokhov case 0: 435d6505ab9SVille Syrjala usb_mark_last_busy(ar2->udev); 436ba0acb5eSDmitry Torokhov ati_remote2_input_mouse(ar2); 437ba0acb5eSDmitry Torokhov break; 438ba0acb5eSDmitry Torokhov case -ENOENT: 439ba0acb5eSDmitry Torokhov case -EILSEQ: 440ba0acb5eSDmitry Torokhov case -ECONNRESET: 441ba0acb5eSDmitry Torokhov case -ESHUTDOWN: 442ba0acb5eSDmitry Torokhov dev_dbg(&ar2->intf[0]->dev, 443ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 444ba0acb5eSDmitry Torokhov return; 445ba0acb5eSDmitry Torokhov default: 446d6505ab9SVille Syrjala usb_mark_last_busy(ar2->udev); 447ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 448ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 449ba0acb5eSDmitry Torokhov } 450ba0acb5eSDmitry Torokhov 451ba0acb5eSDmitry Torokhov r = usb_submit_urb(urb, GFP_ATOMIC); 452ba0acb5eSDmitry Torokhov if (r) 453ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 454ea3e6c59SHarvey Harrison "%s(): usb_submit_urb() = %d\n", __func__, r); 455ba0acb5eSDmitry Torokhov } 456ba0acb5eSDmitry Torokhov 457ba0acb5eSDmitry Torokhov static void ati_remote2_complete_key(struct urb *urb) 458ba0acb5eSDmitry Torokhov { 459ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2 = urb->context; 460ba0acb5eSDmitry Torokhov int r; 461ba0acb5eSDmitry Torokhov 462ba0acb5eSDmitry Torokhov switch (urb->status) { 463ba0acb5eSDmitry Torokhov case 0: 464d6505ab9SVille Syrjala usb_mark_last_busy(ar2->udev); 465ba0acb5eSDmitry Torokhov ati_remote2_input_key(ar2); 466ba0acb5eSDmitry Torokhov break; 467ba0acb5eSDmitry Torokhov case -ENOENT: 468ba0acb5eSDmitry Torokhov case -EILSEQ: 469ba0acb5eSDmitry Torokhov case -ECONNRESET: 470ba0acb5eSDmitry Torokhov case -ESHUTDOWN: 471ba0acb5eSDmitry Torokhov dev_dbg(&ar2->intf[1]->dev, 472ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 473ba0acb5eSDmitry Torokhov return; 474ba0acb5eSDmitry Torokhov default: 475d6505ab9SVille Syrjala usb_mark_last_busy(ar2->udev); 476ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 477ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 478ba0acb5eSDmitry Torokhov } 479ba0acb5eSDmitry Torokhov 480ba0acb5eSDmitry Torokhov r = usb_submit_urb(urb, GFP_ATOMIC); 481ba0acb5eSDmitry Torokhov if (r) 482ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 483ea3e6c59SHarvey Harrison "%s(): usb_submit_urb() = %d\n", __func__, r); 484ba0acb5eSDmitry Torokhov } 485ba0acb5eSDmitry Torokhov 4861971b9d5SVille Syrjala static int ati_remote2_getkeycode(struct input_dev *idev, 4871f7930c5SDmitry Torokhov struct input_keymap_entry *ke) 4881971b9d5SVille Syrjala { 4891971b9d5SVille Syrjala struct ati_remote2 *ar2 = input_get_drvdata(idev); 49058b93995SDmitry Torokhov unsigned int mode; 4911f7930c5SDmitry Torokhov int offset; 4921f7930c5SDmitry Torokhov unsigned int index; 4931f7930c5SDmitry Torokhov unsigned int scancode; 4941f7930c5SDmitry Torokhov 4951f7930c5SDmitry Torokhov if (ke->flags & INPUT_KEYMAP_BY_INDEX) { 4961f7930c5SDmitry Torokhov index = ke->index; 4971f7930c5SDmitry Torokhov if (index >= ATI_REMOTE2_MODES * 4981f7930c5SDmitry Torokhov ARRAY_SIZE(ati_remote2_key_table)) 4991f7930c5SDmitry Torokhov return -EINVAL; 5001f7930c5SDmitry Torokhov 5011f7930c5SDmitry Torokhov mode = ke->index / ARRAY_SIZE(ati_remote2_key_table); 5021f7930c5SDmitry Torokhov offset = ke->index % ARRAY_SIZE(ati_remote2_key_table); 5031f7930c5SDmitry Torokhov scancode = (mode << 8) + ati_remote2_key_table[offset].hw_code; 5041f7930c5SDmitry Torokhov } else { 5051f7930c5SDmitry Torokhov if (input_scancode_to_scalar(ke, &scancode)) 5061f7930c5SDmitry Torokhov return -EINVAL; 5071971b9d5SVille Syrjala 5081971b9d5SVille Syrjala mode = scancode >> 8; 5091f7930c5SDmitry Torokhov if (mode > ATI_REMOTE2_PC) 5101971b9d5SVille Syrjala return -EINVAL; 5111971b9d5SVille Syrjala 5121f7930c5SDmitry Torokhov offset = ati_remote2_lookup(scancode & 0xff); 5131f7930c5SDmitry Torokhov if (offset < 0) 5141971b9d5SVille Syrjala return -EINVAL; 5151971b9d5SVille Syrjala 5161f7930c5SDmitry Torokhov index = mode * ARRAY_SIZE(ati_remote2_key_table) + offset; 5171f7930c5SDmitry Torokhov } 5181f7930c5SDmitry Torokhov 5191f7930c5SDmitry Torokhov ke->keycode = ar2->keycode[mode][offset]; 5201f7930c5SDmitry Torokhov ke->len = sizeof(scancode); 5211f7930c5SDmitry Torokhov memcpy(&ke->scancode, &scancode, sizeof(scancode)); 5221f7930c5SDmitry Torokhov ke->index = index; 5231f7930c5SDmitry Torokhov 5241971b9d5SVille Syrjala return 0; 5251971b9d5SVille Syrjala } 5261971b9d5SVille Syrjala 52758b93995SDmitry Torokhov static int ati_remote2_setkeycode(struct input_dev *idev, 5281f7930c5SDmitry Torokhov const struct input_keymap_entry *ke, 5291f7930c5SDmitry Torokhov unsigned int *old_keycode) 5301971b9d5SVille Syrjala { 5311971b9d5SVille Syrjala struct ati_remote2 *ar2 = input_get_drvdata(idev); 5321f7930c5SDmitry Torokhov unsigned int mode; 5331f7930c5SDmitry Torokhov int offset; 5341f7930c5SDmitry Torokhov unsigned int index; 5351f7930c5SDmitry Torokhov unsigned int scancode; 5361f7930c5SDmitry Torokhov 5371f7930c5SDmitry Torokhov if (ke->flags & INPUT_KEYMAP_BY_INDEX) { 5381f7930c5SDmitry Torokhov if (ke->index >= ATI_REMOTE2_MODES * 5391f7930c5SDmitry Torokhov ARRAY_SIZE(ati_remote2_key_table)) 5401f7930c5SDmitry Torokhov return -EINVAL; 5411f7930c5SDmitry Torokhov 5421f7930c5SDmitry Torokhov mode = ke->index / ARRAY_SIZE(ati_remote2_key_table); 5431f7930c5SDmitry Torokhov offset = ke->index % ARRAY_SIZE(ati_remote2_key_table); 5441f7930c5SDmitry Torokhov } else { 5451f7930c5SDmitry Torokhov if (input_scancode_to_scalar(ke, &scancode)) 5461f7930c5SDmitry Torokhov return -EINVAL; 5471971b9d5SVille Syrjala 5481971b9d5SVille Syrjala mode = scancode >> 8; 5491f7930c5SDmitry Torokhov if (mode > ATI_REMOTE2_PC) 5501971b9d5SVille Syrjala return -EINVAL; 5511971b9d5SVille Syrjala 5521f7930c5SDmitry Torokhov offset = ati_remote2_lookup(scancode & 0xff); 5531f7930c5SDmitry Torokhov if (offset < 0) 5541971b9d5SVille Syrjala return -EINVAL; 5551f7930c5SDmitry Torokhov } 5561971b9d5SVille Syrjala 5571f7930c5SDmitry Torokhov *old_keycode = ar2->keycode[mode][offset]; 5581f7930c5SDmitry Torokhov ar2->keycode[mode][offset] = ke->keycode; 5591f7930c5SDmitry Torokhov __set_bit(ke->keycode, idev->keybit); 5601971b9d5SVille Syrjala 5611971b9d5SVille Syrjala for (mode = 0; mode < ATI_REMOTE2_MODES; mode++) { 5621971b9d5SVille Syrjala for (index = 0; index < ARRAY_SIZE(ati_remote2_key_table); index++) { 5631f7930c5SDmitry Torokhov if (ar2->keycode[mode][index] == *old_keycode) 5641971b9d5SVille Syrjala return 0; 5651971b9d5SVille Syrjala } 5661971b9d5SVille Syrjala } 5671971b9d5SVille Syrjala 5681f7930c5SDmitry Torokhov __clear_bit(*old_keycode, idev->keybit); 5691971b9d5SVille Syrjala 5701971b9d5SVille Syrjala return 0; 5711971b9d5SVille Syrjala } 5721971b9d5SVille Syrjala 573ba0acb5eSDmitry Torokhov static int ati_remote2_input_init(struct ati_remote2 *ar2) 574ba0acb5eSDmitry Torokhov { 575ba0acb5eSDmitry Torokhov struct input_dev *idev; 5761971b9d5SVille Syrjala int index, mode, retval; 577ba0acb5eSDmitry Torokhov 578ba0acb5eSDmitry Torokhov idev = input_allocate_device(); 579ba0acb5eSDmitry Torokhov if (!idev) 580ba0acb5eSDmitry Torokhov return -ENOMEM; 581ba0acb5eSDmitry Torokhov 582ba0acb5eSDmitry Torokhov ar2->idev = idev; 583ba0acb5eSDmitry Torokhov input_set_drvdata(idev, ar2); 584ba0acb5eSDmitry Torokhov 5857b19ada2SJiri Slaby idev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) | BIT_MASK(EV_REL); 5867b19ada2SJiri Slaby idev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) | 5877b19ada2SJiri Slaby BIT_MASK(BTN_RIGHT); 5887b19ada2SJiri Slaby idev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); 5891971b9d5SVille Syrjala 5901971b9d5SVille Syrjala for (mode = 0; mode < ATI_REMOTE2_MODES; mode++) { 5911971b9d5SVille Syrjala for (index = 0; index < ARRAY_SIZE(ati_remote2_key_table); index++) { 5921971b9d5SVille Syrjala ar2->keycode[mode][index] = ati_remote2_key_table[index].keycode; 593225c9886SVille Syrjala __set_bit(ar2->keycode[mode][index], idev->keybit); 5941971b9d5SVille Syrjala } 5951971b9d5SVille Syrjala } 5961971b9d5SVille Syrjala 5971971b9d5SVille Syrjala /* AUX1-AUX4 and PC generate the same scancode. */ 5981971b9d5SVille Syrjala index = ati_remote2_lookup(0x3f); 5991971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_AUX1][index] = KEY_PROG1; 6001971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_AUX2][index] = KEY_PROG2; 6011971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_AUX3][index] = KEY_PROG3; 6021971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_AUX4][index] = KEY_PROG4; 6031971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_PC][index] = KEY_PC; 604225c9886SVille Syrjala __set_bit(KEY_PROG1, idev->keybit); 605225c9886SVille Syrjala __set_bit(KEY_PROG2, idev->keybit); 606225c9886SVille Syrjala __set_bit(KEY_PROG3, idev->keybit); 607225c9886SVille Syrjala __set_bit(KEY_PROG4, idev->keybit); 608225c9886SVille Syrjala __set_bit(KEY_PC, idev->keybit); 609ba0acb5eSDmitry Torokhov 610ba0acb5eSDmitry Torokhov idev->rep[REP_DELAY] = 250; 611ba0acb5eSDmitry Torokhov idev->rep[REP_PERIOD] = 33; 612ba0acb5eSDmitry Torokhov 613ba0acb5eSDmitry Torokhov idev->open = ati_remote2_open; 614ba0acb5eSDmitry Torokhov idev->close = ati_remote2_close; 615ba0acb5eSDmitry Torokhov 616aebd636bSDmitry Torokhov idev->getkeycode = ati_remote2_getkeycode; 617aebd636bSDmitry Torokhov idev->setkeycode = ati_remote2_setkeycode; 6181971b9d5SVille Syrjala 619ba0acb5eSDmitry Torokhov idev->name = ar2->name; 620ba0acb5eSDmitry Torokhov idev->phys = ar2->phys; 621ba0acb5eSDmitry Torokhov 622ba0acb5eSDmitry Torokhov usb_to_input_id(ar2->udev, &idev->id); 623ba0acb5eSDmitry Torokhov idev->dev.parent = &ar2->udev->dev; 624ba0acb5eSDmitry Torokhov 625ba0acb5eSDmitry Torokhov retval = input_register_device(idev); 626ba0acb5eSDmitry Torokhov if (retval) 627ba0acb5eSDmitry Torokhov input_free_device(idev); 628ba0acb5eSDmitry Torokhov 629ba0acb5eSDmitry Torokhov return retval; 630ba0acb5eSDmitry Torokhov } 631ba0acb5eSDmitry Torokhov 632ba0acb5eSDmitry Torokhov static int ati_remote2_urb_init(struct ati_remote2 *ar2) 633ba0acb5eSDmitry Torokhov { 634ba0acb5eSDmitry Torokhov struct usb_device *udev = ar2->udev; 635ba0acb5eSDmitry Torokhov int i, pipe, maxp; 636ba0acb5eSDmitry Torokhov 637ba0acb5eSDmitry Torokhov for (i = 0; i < 2; i++) { 638997ea58eSDaniel Mack ar2->buf[i] = usb_alloc_coherent(udev, 4, GFP_KERNEL, &ar2->buf_dma[i]); 639ba0acb5eSDmitry Torokhov if (!ar2->buf[i]) 640ba0acb5eSDmitry Torokhov return -ENOMEM; 641ba0acb5eSDmitry Torokhov 642ba0acb5eSDmitry Torokhov ar2->urb[i] = usb_alloc_urb(0, GFP_KERNEL); 643ba0acb5eSDmitry Torokhov if (!ar2->urb[i]) 644ba0acb5eSDmitry Torokhov return -ENOMEM; 645ba0acb5eSDmitry Torokhov 646ba0acb5eSDmitry Torokhov pipe = usb_rcvintpipe(udev, ar2->ep[i]->bEndpointAddress); 647ba0acb5eSDmitry Torokhov maxp = usb_maxpacket(udev, pipe, usb_pipeout(pipe)); 648ba0acb5eSDmitry Torokhov maxp = maxp > 4 ? 4 : maxp; 649ba0acb5eSDmitry Torokhov 650ba0acb5eSDmitry Torokhov usb_fill_int_urb(ar2->urb[i], udev, pipe, ar2->buf[i], maxp, 651ba0acb5eSDmitry Torokhov i ? ati_remote2_complete_key : ati_remote2_complete_mouse, 652ba0acb5eSDmitry Torokhov ar2, ar2->ep[i]->bInterval); 653ba0acb5eSDmitry Torokhov ar2->urb[i]->transfer_dma = ar2->buf_dma[i]; 654ba0acb5eSDmitry Torokhov ar2->urb[i]->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; 655ba0acb5eSDmitry Torokhov } 656ba0acb5eSDmitry Torokhov 657ba0acb5eSDmitry Torokhov return 0; 658ba0acb5eSDmitry Torokhov } 659ba0acb5eSDmitry Torokhov 660ba0acb5eSDmitry Torokhov static void ati_remote2_urb_cleanup(struct ati_remote2 *ar2) 661ba0acb5eSDmitry Torokhov { 662ba0acb5eSDmitry Torokhov int i; 663ba0acb5eSDmitry Torokhov 664ba0acb5eSDmitry Torokhov for (i = 0; i < 2; i++) { 665ba0acb5eSDmitry Torokhov usb_free_urb(ar2->urb[i]); 666997ea58eSDaniel Mack usb_free_coherent(ar2->udev, 4, ar2->buf[i], ar2->buf_dma[i]); 667ba0acb5eSDmitry Torokhov } 668ba0acb5eSDmitry Torokhov } 669ba0acb5eSDmitry Torokhov 670d329e33cSVille Syrjala static int ati_remote2_setup(struct ati_remote2 *ar2, unsigned int ch_mask) 671ba0acb5eSDmitry Torokhov { 672ba0acb5eSDmitry Torokhov int r, i, channel; 673ba0acb5eSDmitry Torokhov 674ba0acb5eSDmitry Torokhov /* 675ba0acb5eSDmitry Torokhov * Configure receiver to only accept input from remote "channel" 676ba0acb5eSDmitry Torokhov * channel == 0 -> Accept input from any remote channel 677ba0acb5eSDmitry Torokhov * channel == 1 -> Only accept input from remote channel 1 678ba0acb5eSDmitry Torokhov * channel == 2 -> Only accept input from remote channel 2 679ba0acb5eSDmitry Torokhov * ... 680ba0acb5eSDmitry Torokhov * channel == 16 -> Only accept input from remote channel 16 681ba0acb5eSDmitry Torokhov */ 682ba0acb5eSDmitry Torokhov 683ba0acb5eSDmitry Torokhov channel = 0; 684ba0acb5eSDmitry Torokhov for (i = 0; i < 16; i++) { 685d329e33cSVille Syrjala if ((1 << i) & ch_mask) { 686d329e33cSVille Syrjala if (!(~(1 << i) & ch_mask)) 687ba0acb5eSDmitry Torokhov channel = i + 1; 688ba0acb5eSDmitry Torokhov break; 689ba0acb5eSDmitry Torokhov } 690ba0acb5eSDmitry Torokhov } 691ba0acb5eSDmitry Torokhov 692ba0acb5eSDmitry Torokhov r = usb_control_msg(ar2->udev, usb_sndctrlpipe(ar2->udev, 0), 693ba0acb5eSDmitry Torokhov 0x20, 694ba0acb5eSDmitry Torokhov USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, 695ba0acb5eSDmitry Torokhov channel, 0x0, NULL, 0, USB_CTRL_SET_TIMEOUT); 696ba0acb5eSDmitry Torokhov if (r) { 697ba0acb5eSDmitry Torokhov dev_err(&ar2->udev->dev, "%s - failed to set channel due to error: %d\n", 698ea3e6c59SHarvey Harrison __func__, r); 699ba0acb5eSDmitry Torokhov return r; 700ba0acb5eSDmitry Torokhov } 701ba0acb5eSDmitry Torokhov 702ba0acb5eSDmitry Torokhov return 0; 703ba0acb5eSDmitry Torokhov } 704ba0acb5eSDmitry Torokhov 705d329e33cSVille Syrjala static ssize_t ati_remote2_show_channel_mask(struct device *dev, 706d329e33cSVille Syrjala struct device_attribute *attr, 707d329e33cSVille Syrjala char *buf) 708d329e33cSVille Syrjala { 709d329e33cSVille Syrjala struct usb_device *udev = to_usb_device(dev); 710d329e33cSVille Syrjala struct usb_interface *intf = usb_ifnum_to_if(udev, 0); 711d329e33cSVille Syrjala struct ati_remote2 *ar2 = usb_get_intfdata(intf); 712d329e33cSVille Syrjala 713d329e33cSVille Syrjala return sprintf(buf, "0x%04x\n", ar2->channel_mask); 714d329e33cSVille Syrjala } 715d329e33cSVille Syrjala 716d329e33cSVille Syrjala static ssize_t ati_remote2_store_channel_mask(struct device *dev, 717d329e33cSVille Syrjala struct device_attribute *attr, 718d329e33cSVille Syrjala const char *buf, size_t count) 719d329e33cSVille Syrjala { 720d329e33cSVille Syrjala struct usb_device *udev = to_usb_device(dev); 721d329e33cSVille Syrjala struct usb_interface *intf = usb_ifnum_to_if(udev, 0); 722d329e33cSVille Syrjala struct ati_remote2 *ar2 = usb_get_intfdata(intf); 723d329e33cSVille Syrjala unsigned long mask; 724d329e33cSVille Syrjala int r; 725d329e33cSVille Syrjala 726d329e33cSVille Syrjala if (strict_strtoul(buf, 0, &mask)) 727d329e33cSVille Syrjala return -EINVAL; 728d329e33cSVille Syrjala 729d329e33cSVille Syrjala if (mask & ~ATI_REMOTE2_MAX_CHANNEL_MASK) 730d329e33cSVille Syrjala return -EINVAL; 731d329e33cSVille Syrjala 732d329e33cSVille Syrjala r = usb_autopm_get_interface(ar2->intf[0]); 733d329e33cSVille Syrjala if (r) { 734d329e33cSVille Syrjala dev_err(&ar2->intf[0]->dev, 735d329e33cSVille Syrjala "%s(): usb_autopm_get_interface() = %d\n", __func__, r); 736d329e33cSVille Syrjala return r; 737d329e33cSVille Syrjala } 738d329e33cSVille Syrjala 739d329e33cSVille Syrjala mutex_lock(&ati_remote2_mutex); 740d329e33cSVille Syrjala 7417388754eSVille Syrjala if (mask != ar2->channel_mask) { 7427388754eSVille Syrjala r = ati_remote2_setup(ar2, mask); 7437388754eSVille Syrjala if (!r) 744d329e33cSVille Syrjala ar2->channel_mask = mask; 7457388754eSVille Syrjala } 746d329e33cSVille Syrjala 747d329e33cSVille Syrjala mutex_unlock(&ati_remote2_mutex); 748d329e33cSVille Syrjala 749d329e33cSVille Syrjala usb_autopm_put_interface(ar2->intf[0]); 750d329e33cSVille Syrjala 7517388754eSVille Syrjala return r ? r : count; 752d329e33cSVille Syrjala } 753d329e33cSVille Syrjala 754d329e33cSVille Syrjala static ssize_t ati_remote2_show_mode_mask(struct device *dev, 755d329e33cSVille Syrjala struct device_attribute *attr, 756d329e33cSVille Syrjala char *buf) 757d329e33cSVille Syrjala { 758d329e33cSVille Syrjala struct usb_device *udev = to_usb_device(dev); 759d329e33cSVille Syrjala struct usb_interface *intf = usb_ifnum_to_if(udev, 0); 760d329e33cSVille Syrjala struct ati_remote2 *ar2 = usb_get_intfdata(intf); 761d329e33cSVille Syrjala 762d329e33cSVille Syrjala return sprintf(buf, "0x%02x\n", ar2->mode_mask); 763d329e33cSVille Syrjala } 764d329e33cSVille Syrjala 765d329e33cSVille Syrjala static ssize_t ati_remote2_store_mode_mask(struct device *dev, 766d329e33cSVille Syrjala struct device_attribute *attr, 767d329e33cSVille Syrjala const char *buf, size_t count) 768d329e33cSVille Syrjala { 769d329e33cSVille Syrjala struct usb_device *udev = to_usb_device(dev); 770d329e33cSVille Syrjala struct usb_interface *intf = usb_ifnum_to_if(udev, 0); 771d329e33cSVille Syrjala struct ati_remote2 *ar2 = usb_get_intfdata(intf); 772d329e33cSVille Syrjala unsigned long mask; 773d329e33cSVille Syrjala 774d329e33cSVille Syrjala if (strict_strtoul(buf, 0, &mask)) 775d329e33cSVille Syrjala return -EINVAL; 776d329e33cSVille Syrjala 777d329e33cSVille Syrjala if (mask & ~ATI_REMOTE2_MAX_MODE_MASK) 778d329e33cSVille Syrjala return -EINVAL; 779d329e33cSVille Syrjala 780d329e33cSVille Syrjala ar2->mode_mask = mask; 781d329e33cSVille Syrjala 782d329e33cSVille Syrjala return count; 783d329e33cSVille Syrjala } 784d329e33cSVille Syrjala 785d329e33cSVille Syrjala static DEVICE_ATTR(channel_mask, 0644, ati_remote2_show_channel_mask, 786d329e33cSVille Syrjala ati_remote2_store_channel_mask); 787d329e33cSVille Syrjala 788d329e33cSVille Syrjala static DEVICE_ATTR(mode_mask, 0644, ati_remote2_show_mode_mask, 789d329e33cSVille Syrjala ati_remote2_store_mode_mask); 790d329e33cSVille Syrjala 791d329e33cSVille Syrjala static struct attribute *ati_remote2_attrs[] = { 792d329e33cSVille Syrjala &dev_attr_channel_mask.attr, 793d329e33cSVille Syrjala &dev_attr_mode_mask.attr, 794d329e33cSVille Syrjala NULL, 795d329e33cSVille Syrjala }; 796d329e33cSVille Syrjala 797d329e33cSVille Syrjala static struct attribute_group ati_remote2_attr_group = { 798d329e33cSVille Syrjala .attrs = ati_remote2_attrs, 799d329e33cSVille Syrjala }; 800d329e33cSVille Syrjala 801ba0acb5eSDmitry Torokhov static int ati_remote2_probe(struct usb_interface *interface, const struct usb_device_id *id) 802ba0acb5eSDmitry Torokhov { 803ba0acb5eSDmitry Torokhov struct usb_device *udev = interface_to_usbdev(interface); 804ba0acb5eSDmitry Torokhov struct usb_host_interface *alt = interface->cur_altsetting; 805ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2; 806ba0acb5eSDmitry Torokhov int r; 807ba0acb5eSDmitry Torokhov 808ba0acb5eSDmitry Torokhov if (alt->desc.bInterfaceNumber) 809ba0acb5eSDmitry Torokhov return -ENODEV; 810ba0acb5eSDmitry Torokhov 811ba0acb5eSDmitry Torokhov ar2 = kzalloc(sizeof (struct ati_remote2), GFP_KERNEL); 812ba0acb5eSDmitry Torokhov if (!ar2) 813ba0acb5eSDmitry Torokhov return -ENOMEM; 814ba0acb5eSDmitry Torokhov 815ba0acb5eSDmitry Torokhov ar2->udev = udev; 816ba0acb5eSDmitry Torokhov 817ba0acb5eSDmitry Torokhov ar2->intf[0] = interface; 818ba0acb5eSDmitry Torokhov ar2->ep[0] = &alt->endpoint[0].desc; 819ba0acb5eSDmitry Torokhov 820ba0acb5eSDmitry Torokhov ar2->intf[1] = usb_ifnum_to_if(udev, 1); 821ba0acb5eSDmitry Torokhov r = usb_driver_claim_interface(&ati_remote2_driver, ar2->intf[1], ar2); 822ba0acb5eSDmitry Torokhov if (r) 823ba0acb5eSDmitry Torokhov goto fail1; 824ba0acb5eSDmitry Torokhov alt = ar2->intf[1]->cur_altsetting; 825ba0acb5eSDmitry Torokhov ar2->ep[1] = &alt->endpoint[0].desc; 826ba0acb5eSDmitry Torokhov 827ba0acb5eSDmitry Torokhov r = ati_remote2_urb_init(ar2); 828ba0acb5eSDmitry Torokhov if (r) 829ba0acb5eSDmitry Torokhov goto fail2; 830ba0acb5eSDmitry Torokhov 8318a49cfa9SVille Syrjala ar2->channel_mask = channel_mask; 8328a49cfa9SVille Syrjala ar2->mode_mask = mode_mask; 833d329e33cSVille Syrjala 834d329e33cSVille Syrjala r = ati_remote2_setup(ar2, ar2->channel_mask); 835ba0acb5eSDmitry Torokhov if (r) 836ba0acb5eSDmitry Torokhov goto fail2; 837ba0acb5eSDmitry Torokhov 838ba0acb5eSDmitry Torokhov usb_make_path(udev, ar2->phys, sizeof(ar2->phys)); 839ba0acb5eSDmitry Torokhov strlcat(ar2->phys, "/input0", sizeof(ar2->phys)); 840ba0acb5eSDmitry Torokhov 841ba0acb5eSDmitry Torokhov strlcat(ar2->name, "ATI Remote Wonder II", sizeof(ar2->name)); 842ba0acb5eSDmitry Torokhov 843d329e33cSVille Syrjala r = sysfs_create_group(&udev->dev.kobj, &ati_remote2_attr_group); 844ba0acb5eSDmitry Torokhov if (r) 845ba0acb5eSDmitry Torokhov goto fail2; 846ba0acb5eSDmitry Torokhov 847d329e33cSVille Syrjala r = ati_remote2_input_init(ar2); 848d329e33cSVille Syrjala if (r) 849d329e33cSVille Syrjala goto fail3; 850d329e33cSVille Syrjala 851ba0acb5eSDmitry Torokhov usb_set_intfdata(interface, ar2); 852ba0acb5eSDmitry Torokhov 853d6505ab9SVille Syrjala interface->needs_remote_wakeup = 1; 854d6505ab9SVille Syrjala 855ba0acb5eSDmitry Torokhov return 0; 856ba0acb5eSDmitry Torokhov 857d329e33cSVille Syrjala fail3: 858d329e33cSVille Syrjala sysfs_remove_group(&udev->dev.kobj, &ati_remote2_attr_group); 859ba0acb5eSDmitry Torokhov fail2: 860ba0acb5eSDmitry Torokhov ati_remote2_urb_cleanup(ar2); 861ba0acb5eSDmitry Torokhov usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]); 862ba0acb5eSDmitry Torokhov fail1: 863ba0acb5eSDmitry Torokhov kfree(ar2); 864ba0acb5eSDmitry Torokhov 865ba0acb5eSDmitry Torokhov return r; 866ba0acb5eSDmitry Torokhov } 867ba0acb5eSDmitry Torokhov 868ba0acb5eSDmitry Torokhov static void ati_remote2_disconnect(struct usb_interface *interface) 869ba0acb5eSDmitry Torokhov { 870ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2; 871ba0acb5eSDmitry Torokhov struct usb_host_interface *alt = interface->cur_altsetting; 872ba0acb5eSDmitry Torokhov 873ba0acb5eSDmitry Torokhov if (alt->desc.bInterfaceNumber) 874ba0acb5eSDmitry Torokhov return; 875ba0acb5eSDmitry Torokhov 876ba0acb5eSDmitry Torokhov ar2 = usb_get_intfdata(interface); 877ba0acb5eSDmitry Torokhov usb_set_intfdata(interface, NULL); 878ba0acb5eSDmitry Torokhov 879ba0acb5eSDmitry Torokhov input_unregister_device(ar2->idev); 880ba0acb5eSDmitry Torokhov 881d329e33cSVille Syrjala sysfs_remove_group(&ar2->udev->dev.kobj, &ati_remote2_attr_group); 882d329e33cSVille Syrjala 883ba0acb5eSDmitry Torokhov ati_remote2_urb_cleanup(ar2); 884ba0acb5eSDmitry Torokhov 885ba0acb5eSDmitry Torokhov usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]); 886ba0acb5eSDmitry Torokhov 887ba0acb5eSDmitry Torokhov kfree(ar2); 888ba0acb5eSDmitry Torokhov } 889ba0acb5eSDmitry Torokhov 890d6505ab9SVille Syrjala static int ati_remote2_suspend(struct usb_interface *interface, 891d6505ab9SVille Syrjala pm_message_t message) 892d6505ab9SVille Syrjala { 893d6505ab9SVille Syrjala struct ati_remote2 *ar2; 894d6505ab9SVille Syrjala struct usb_host_interface *alt = interface->cur_altsetting; 895d6505ab9SVille Syrjala 896d6505ab9SVille Syrjala if (alt->desc.bInterfaceNumber) 897d6505ab9SVille Syrjala return 0; 898d6505ab9SVille Syrjala 899d6505ab9SVille Syrjala ar2 = usb_get_intfdata(interface); 900d6505ab9SVille Syrjala 901d6505ab9SVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 902d6505ab9SVille Syrjala 903d6505ab9SVille Syrjala mutex_lock(&ati_remote2_mutex); 904d6505ab9SVille Syrjala 905d6505ab9SVille Syrjala if (ar2->flags & ATI_REMOTE2_OPENED) 906d6505ab9SVille Syrjala ati_remote2_kill_urbs(ar2); 907d6505ab9SVille Syrjala 908d6505ab9SVille Syrjala ar2->flags |= ATI_REMOTE2_SUSPENDED; 909d6505ab9SVille Syrjala 910d6505ab9SVille Syrjala mutex_unlock(&ati_remote2_mutex); 911d6505ab9SVille Syrjala 912d6505ab9SVille Syrjala return 0; 913d6505ab9SVille Syrjala } 914d6505ab9SVille Syrjala 915d6505ab9SVille Syrjala static int ati_remote2_resume(struct usb_interface *interface) 916d6505ab9SVille Syrjala { 917d6505ab9SVille Syrjala struct ati_remote2 *ar2; 918d6505ab9SVille Syrjala struct usb_host_interface *alt = interface->cur_altsetting; 919d6505ab9SVille Syrjala int r = 0; 920d6505ab9SVille Syrjala 921d6505ab9SVille Syrjala if (alt->desc.bInterfaceNumber) 922d6505ab9SVille Syrjala return 0; 923d6505ab9SVille Syrjala 924d6505ab9SVille Syrjala ar2 = usb_get_intfdata(interface); 925d6505ab9SVille Syrjala 926d6505ab9SVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 927d6505ab9SVille Syrjala 928d6505ab9SVille Syrjala mutex_lock(&ati_remote2_mutex); 929d6505ab9SVille Syrjala 930d6505ab9SVille Syrjala if (ar2->flags & ATI_REMOTE2_OPENED) 931d6505ab9SVille Syrjala r = ati_remote2_submit_urbs(ar2); 932d6505ab9SVille Syrjala 933d6505ab9SVille Syrjala if (!r) 934d6505ab9SVille Syrjala ar2->flags &= ~ATI_REMOTE2_SUSPENDED; 935d6505ab9SVille Syrjala 936d6505ab9SVille Syrjala mutex_unlock(&ati_remote2_mutex); 937d6505ab9SVille Syrjala 938d6505ab9SVille Syrjala return r; 939d6505ab9SVille Syrjala } 940d6505ab9SVille Syrjala 941169bc1efSVille Syrjala static int ati_remote2_reset_resume(struct usb_interface *interface) 942169bc1efSVille Syrjala { 943169bc1efSVille Syrjala struct ati_remote2 *ar2; 944169bc1efSVille Syrjala struct usb_host_interface *alt = interface->cur_altsetting; 945169bc1efSVille Syrjala int r = 0; 946169bc1efSVille Syrjala 947169bc1efSVille Syrjala if (alt->desc.bInterfaceNumber) 948169bc1efSVille Syrjala return 0; 949169bc1efSVille Syrjala 950169bc1efSVille Syrjala ar2 = usb_get_intfdata(interface); 951169bc1efSVille Syrjala 952169bc1efSVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 953169bc1efSVille Syrjala 954169bc1efSVille Syrjala mutex_lock(&ati_remote2_mutex); 955169bc1efSVille Syrjala 956d329e33cSVille Syrjala r = ati_remote2_setup(ar2, ar2->channel_mask); 957169bc1efSVille Syrjala if (r) 958169bc1efSVille Syrjala goto out; 959169bc1efSVille Syrjala 960169bc1efSVille Syrjala if (ar2->flags & ATI_REMOTE2_OPENED) 961169bc1efSVille Syrjala r = ati_remote2_submit_urbs(ar2); 962169bc1efSVille Syrjala 963169bc1efSVille Syrjala if (!r) 964169bc1efSVille Syrjala ar2->flags &= ~ATI_REMOTE2_SUSPENDED; 965169bc1efSVille Syrjala 966169bc1efSVille Syrjala out: 967169bc1efSVille Syrjala mutex_unlock(&ati_remote2_mutex); 968169bc1efSVille Syrjala 969169bc1efSVille Syrjala return r; 970169bc1efSVille Syrjala } 971169bc1efSVille Syrjala 972169bc1efSVille Syrjala static int ati_remote2_pre_reset(struct usb_interface *interface) 973169bc1efSVille Syrjala { 974169bc1efSVille Syrjala struct ati_remote2 *ar2; 975169bc1efSVille Syrjala struct usb_host_interface *alt = interface->cur_altsetting; 976169bc1efSVille Syrjala 977169bc1efSVille Syrjala if (alt->desc.bInterfaceNumber) 978169bc1efSVille Syrjala return 0; 979169bc1efSVille Syrjala 980169bc1efSVille Syrjala ar2 = usb_get_intfdata(interface); 981169bc1efSVille Syrjala 982169bc1efSVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 983169bc1efSVille Syrjala 984169bc1efSVille Syrjala mutex_lock(&ati_remote2_mutex); 985169bc1efSVille Syrjala 986169bc1efSVille Syrjala if (ar2->flags == ATI_REMOTE2_OPENED) 987169bc1efSVille Syrjala ati_remote2_kill_urbs(ar2); 988169bc1efSVille Syrjala 989169bc1efSVille Syrjala return 0; 990169bc1efSVille Syrjala } 991169bc1efSVille Syrjala 992169bc1efSVille Syrjala static int ati_remote2_post_reset(struct usb_interface *interface) 993169bc1efSVille Syrjala { 994169bc1efSVille Syrjala struct ati_remote2 *ar2; 995169bc1efSVille Syrjala struct usb_host_interface *alt = interface->cur_altsetting; 996169bc1efSVille Syrjala int r = 0; 997169bc1efSVille Syrjala 998169bc1efSVille Syrjala if (alt->desc.bInterfaceNumber) 999169bc1efSVille Syrjala return 0; 1000169bc1efSVille Syrjala 1001169bc1efSVille Syrjala ar2 = usb_get_intfdata(interface); 1002169bc1efSVille Syrjala 1003169bc1efSVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 1004169bc1efSVille Syrjala 1005169bc1efSVille Syrjala if (ar2->flags == ATI_REMOTE2_OPENED) 1006169bc1efSVille Syrjala r = ati_remote2_submit_urbs(ar2); 1007169bc1efSVille Syrjala 1008169bc1efSVille Syrjala mutex_unlock(&ati_remote2_mutex); 1009169bc1efSVille Syrjala 1010169bc1efSVille Syrjala return r; 1011169bc1efSVille Syrjala } 1012169bc1efSVille Syrjala 101308642e7cSGreg Kroah-Hartman module_usb_driver(ati_remote2_driver); 1014