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> 14ba0acb5eSDmitry Torokhov 15ba0acb5eSDmitry Torokhov #define DRIVER_DESC "ATI/Philips USB RF remote driver" 161971b9d5SVille Syrjala #define DRIVER_VERSION "0.3" 17ba0acb5eSDmitry Torokhov 18ba0acb5eSDmitry Torokhov MODULE_DESCRIPTION(DRIVER_DESC); 19ba0acb5eSDmitry Torokhov MODULE_VERSION(DRIVER_VERSION); 20ba0acb5eSDmitry Torokhov MODULE_AUTHOR("Ville Syrjala <syrjala@sci.fi>"); 21ba0acb5eSDmitry Torokhov MODULE_LICENSE("GPL"); 22ba0acb5eSDmitry Torokhov 23ba0acb5eSDmitry Torokhov /* 24ba0acb5eSDmitry Torokhov * ATI Remote Wonder II Channel Configuration 25ba0acb5eSDmitry Torokhov * 26ba0acb5eSDmitry Torokhov * The remote control can by assigned one of sixteen "channels" in order to facilitate 27ba0acb5eSDmitry Torokhov * the use of multiple remote controls within range of each other. 28ba0acb5eSDmitry Torokhov * A remote's "channel" may be altered by pressing and holding the "PC" button for 29ba0acb5eSDmitry Torokhov * approximately 3 seconds, after which the button will slowly flash the count of the 30ba0acb5eSDmitry Torokhov * currently configured "channel", using the numeric keypad enter a number between 1 and 311971b9d5SVille Syrjala * 16 and then press the "PC" button again, the button will slowly flash the count of the 32ba0acb5eSDmitry Torokhov * newly configured "channel". 33ba0acb5eSDmitry Torokhov */ 34ba0acb5eSDmitry Torokhov 35d329e33cSVille Syrjala enum { 36d329e33cSVille Syrjala ATI_REMOTE2_MAX_CHANNEL_MASK = 0xFFFF, 37d329e33cSVille Syrjala ATI_REMOTE2_MAX_MODE_MASK = 0x1F, 38d329e33cSVille Syrjala }; 39d329e33cSVille Syrjala 408a49cfa9SVille Syrjala static int ati_remote2_set_mask(const char *val, 418a49cfa9SVille Syrjala struct kernel_param *kp, unsigned int max) 428a49cfa9SVille Syrjala { 438a49cfa9SVille Syrjala unsigned long mask; 448a49cfa9SVille Syrjala int ret; 458a49cfa9SVille Syrjala 468a49cfa9SVille Syrjala if (!val) 478a49cfa9SVille Syrjala return -EINVAL; 488a49cfa9SVille Syrjala 498a49cfa9SVille Syrjala ret = strict_strtoul(val, 0, &mask); 508a49cfa9SVille Syrjala if (ret) 518a49cfa9SVille Syrjala return ret; 528a49cfa9SVille Syrjala 538a49cfa9SVille Syrjala if (mask & ~max) 548a49cfa9SVille Syrjala return -EINVAL; 558a49cfa9SVille Syrjala 568a49cfa9SVille Syrjala *(unsigned int *)kp->arg = mask; 578a49cfa9SVille Syrjala 588a49cfa9SVille Syrjala return 0; 598a49cfa9SVille Syrjala } 608a49cfa9SVille Syrjala 618a49cfa9SVille Syrjala static int ati_remote2_set_channel_mask(const char *val, 628a49cfa9SVille Syrjala struct kernel_param *kp) 638a49cfa9SVille Syrjala { 648a49cfa9SVille Syrjala pr_debug("%s()\n", __func__); 658a49cfa9SVille Syrjala 668a49cfa9SVille Syrjala return ati_remote2_set_mask(val, kp, ATI_REMOTE2_MAX_CHANNEL_MASK); 678a49cfa9SVille Syrjala } 688a49cfa9SVille Syrjala 698a49cfa9SVille Syrjala static int ati_remote2_get_channel_mask(char *buffer, struct kernel_param *kp) 708a49cfa9SVille Syrjala { 718a49cfa9SVille Syrjala pr_debug("%s()\n", __func__); 728a49cfa9SVille Syrjala 738a49cfa9SVille Syrjala return sprintf(buffer, "0x%04x", *(unsigned int *)kp->arg); 748a49cfa9SVille Syrjala } 758a49cfa9SVille Syrjala 768a49cfa9SVille Syrjala static int ati_remote2_set_mode_mask(const char *val, struct kernel_param *kp) 778a49cfa9SVille Syrjala { 788a49cfa9SVille Syrjala pr_debug("%s()\n", __func__); 798a49cfa9SVille Syrjala 808a49cfa9SVille Syrjala return ati_remote2_set_mask(val, kp, ATI_REMOTE2_MAX_MODE_MASK); 818a49cfa9SVille Syrjala } 828a49cfa9SVille Syrjala 838a49cfa9SVille Syrjala static int ati_remote2_get_mode_mask(char *buffer, struct kernel_param *kp) 848a49cfa9SVille Syrjala { 858a49cfa9SVille Syrjala pr_debug("%s()\n", __func__); 868a49cfa9SVille Syrjala 878a49cfa9SVille Syrjala return sprintf(buffer, "0x%02x", *(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) 928a49cfa9SVille Syrjala #define param_set_channel_mask ati_remote2_set_channel_mask 938a49cfa9SVille Syrjala #define param_get_channel_mask ati_remote2_get_channel_mask 948a49cfa9SVille Syrjala module_param(channel_mask, channel_mask, 0644); 95ba0acb5eSDmitry Torokhov MODULE_PARM_DESC(channel_mask, "Bitmask of channels to accept <15:Channel16>...<1:Channel2><0:Channel1>"); 96ba0acb5eSDmitry Torokhov 97d329e33cSVille Syrjala static unsigned int mode_mask = ATI_REMOTE2_MAX_MODE_MASK; 988a49cfa9SVille Syrjala #define param_check_mode_mask(name, p) __param_check(name, p, unsigned int) 998a49cfa9SVille Syrjala #define param_set_mode_mask ati_remote2_set_mode_mask 1008a49cfa9SVille Syrjala #define param_get_mode_mask ati_remote2_get_mode_mask 1018a49cfa9SVille Syrjala module_param(mode_mask, mode_mask, 0644); 102ba0acb5eSDmitry Torokhov MODULE_PARM_DESC(mode_mask, "Bitmask of modes to accept <4:PC><3:AUX4><2:AUX3><1:AUX2><0:AUX1>"); 103ba0acb5eSDmitry Torokhov 104ba0acb5eSDmitry Torokhov static struct usb_device_id ati_remote2_id_table[] = { 105ba0acb5eSDmitry Torokhov { USB_DEVICE(0x0471, 0x0602) }, /* ATI Remote Wonder II */ 106ba0acb5eSDmitry Torokhov { } 107ba0acb5eSDmitry Torokhov }; 108ba0acb5eSDmitry Torokhov MODULE_DEVICE_TABLE(usb, ati_remote2_id_table); 109ba0acb5eSDmitry Torokhov 110d6505ab9SVille Syrjala static DEFINE_MUTEX(ati_remote2_mutex); 111d6505ab9SVille Syrjala 112d6505ab9SVille Syrjala enum { 113d6505ab9SVille Syrjala ATI_REMOTE2_OPENED = 0x1, 114d6505ab9SVille Syrjala ATI_REMOTE2_SUSPENDED = 0x2, 115d6505ab9SVille Syrjala }; 116d6505ab9SVille Syrjala 1171971b9d5SVille Syrjala enum { 1181971b9d5SVille Syrjala ATI_REMOTE2_AUX1, 1191971b9d5SVille Syrjala ATI_REMOTE2_AUX2, 1201971b9d5SVille Syrjala ATI_REMOTE2_AUX3, 1211971b9d5SVille Syrjala ATI_REMOTE2_AUX4, 1221971b9d5SVille Syrjala ATI_REMOTE2_PC, 1231971b9d5SVille Syrjala ATI_REMOTE2_MODES, 1241971b9d5SVille Syrjala }; 1251971b9d5SVille Syrjala 1261971b9d5SVille Syrjala static const struct { 1271971b9d5SVille Syrjala u8 hw_code; 1281971b9d5SVille Syrjala u16 keycode; 129ba0acb5eSDmitry Torokhov } ati_remote2_key_table[] = { 130ba0acb5eSDmitry Torokhov { 0x00, KEY_0 }, 131ba0acb5eSDmitry Torokhov { 0x01, KEY_1 }, 132ba0acb5eSDmitry Torokhov { 0x02, KEY_2 }, 133ba0acb5eSDmitry Torokhov { 0x03, KEY_3 }, 134ba0acb5eSDmitry Torokhov { 0x04, KEY_4 }, 135ba0acb5eSDmitry Torokhov { 0x05, KEY_5 }, 136ba0acb5eSDmitry Torokhov { 0x06, KEY_6 }, 137ba0acb5eSDmitry Torokhov { 0x07, KEY_7 }, 138ba0acb5eSDmitry Torokhov { 0x08, KEY_8 }, 139ba0acb5eSDmitry Torokhov { 0x09, KEY_9 }, 140ba0acb5eSDmitry Torokhov { 0x0c, KEY_POWER }, 141ba0acb5eSDmitry Torokhov { 0x0d, KEY_MUTE }, 142ba0acb5eSDmitry Torokhov { 0x10, KEY_VOLUMEUP }, 143ba0acb5eSDmitry Torokhov { 0x11, KEY_VOLUMEDOWN }, 144ba0acb5eSDmitry Torokhov { 0x20, KEY_CHANNELUP }, 145ba0acb5eSDmitry Torokhov { 0x21, KEY_CHANNELDOWN }, 146ba0acb5eSDmitry Torokhov { 0x28, KEY_FORWARD }, 147ba0acb5eSDmitry Torokhov { 0x29, KEY_REWIND }, 148ba0acb5eSDmitry Torokhov { 0x2c, KEY_PLAY }, 149ba0acb5eSDmitry Torokhov { 0x30, KEY_PAUSE }, 150ba0acb5eSDmitry Torokhov { 0x31, KEY_STOP }, 151ba0acb5eSDmitry Torokhov { 0x37, KEY_RECORD }, 152ba0acb5eSDmitry Torokhov { 0x38, KEY_DVD }, 153ba0acb5eSDmitry Torokhov { 0x39, KEY_TV }, 1541971b9d5SVille Syrjala { 0x3f, KEY_PROG1 }, /* AUX1-AUX4 and PC */ 155ba0acb5eSDmitry Torokhov { 0x54, KEY_MENU }, 156ba0acb5eSDmitry Torokhov { 0x58, KEY_UP }, 157ba0acb5eSDmitry Torokhov { 0x59, KEY_DOWN }, 158ba0acb5eSDmitry Torokhov { 0x5a, KEY_LEFT }, 159ba0acb5eSDmitry Torokhov { 0x5b, KEY_RIGHT }, 160ba0acb5eSDmitry Torokhov { 0x5c, KEY_OK }, 161ba0acb5eSDmitry Torokhov { 0x78, KEY_A }, 162ba0acb5eSDmitry Torokhov { 0x79, KEY_B }, 163ba0acb5eSDmitry Torokhov { 0x7a, KEY_C }, 164ba0acb5eSDmitry Torokhov { 0x7b, KEY_D }, 165ba0acb5eSDmitry Torokhov { 0x7c, KEY_E }, 166ba0acb5eSDmitry Torokhov { 0x7d, KEY_F }, 167ba0acb5eSDmitry Torokhov { 0x82, KEY_ENTER }, 168ba0acb5eSDmitry Torokhov { 0x8e, KEY_VENDOR }, 169ba0acb5eSDmitry Torokhov { 0x96, KEY_COFFEE }, 170ba0acb5eSDmitry Torokhov { 0xa9, BTN_LEFT }, 171ba0acb5eSDmitry Torokhov { 0xaa, BTN_RIGHT }, 172ba0acb5eSDmitry Torokhov { 0xbe, KEY_QUESTION }, 173ba0acb5eSDmitry Torokhov { 0xd0, KEY_EDIT }, 1741971b9d5SVille Syrjala { 0xd5, KEY_FRONT }, 175ba0acb5eSDmitry Torokhov { 0xf9, KEY_INFO }, 176ba0acb5eSDmitry Torokhov }; 177ba0acb5eSDmitry Torokhov 178ba0acb5eSDmitry Torokhov struct ati_remote2 { 179ba0acb5eSDmitry Torokhov struct input_dev *idev; 180ba0acb5eSDmitry Torokhov struct usb_device *udev; 181ba0acb5eSDmitry Torokhov 182ba0acb5eSDmitry Torokhov struct usb_interface *intf[2]; 183ba0acb5eSDmitry Torokhov struct usb_endpoint_descriptor *ep[2]; 184ba0acb5eSDmitry Torokhov struct urb *urb[2]; 185ba0acb5eSDmitry Torokhov void *buf[2]; 186ba0acb5eSDmitry Torokhov dma_addr_t buf_dma[2]; 187ba0acb5eSDmitry Torokhov 188ba0acb5eSDmitry Torokhov unsigned long jiffies; 189ba0acb5eSDmitry Torokhov int mode; 190ba0acb5eSDmitry Torokhov 191ba0acb5eSDmitry Torokhov char name[64]; 192ba0acb5eSDmitry Torokhov char phys[64]; 1931971b9d5SVille Syrjala 1941971b9d5SVille Syrjala /* Each mode (AUX1-AUX4 and PC) can have an independent keymap. */ 1951971b9d5SVille Syrjala u16 keycode[ATI_REMOTE2_MODES][ARRAY_SIZE(ati_remote2_key_table)]; 196d6505ab9SVille Syrjala 197d6505ab9SVille Syrjala unsigned int flags; 198d329e33cSVille Syrjala 199d329e33cSVille Syrjala unsigned int channel_mask; 200d329e33cSVille Syrjala unsigned int mode_mask; 201ba0acb5eSDmitry Torokhov }; 202ba0acb5eSDmitry Torokhov 203ba0acb5eSDmitry Torokhov static int ati_remote2_probe(struct usb_interface *interface, const struct usb_device_id *id); 204ba0acb5eSDmitry Torokhov static void ati_remote2_disconnect(struct usb_interface *interface); 205d6505ab9SVille Syrjala static int ati_remote2_suspend(struct usb_interface *interface, pm_message_t message); 206d6505ab9SVille Syrjala static int ati_remote2_resume(struct usb_interface *interface); 207169bc1efSVille Syrjala static int ati_remote2_reset_resume(struct usb_interface *interface); 208169bc1efSVille Syrjala static int ati_remote2_pre_reset(struct usb_interface *interface); 209169bc1efSVille Syrjala static int ati_remote2_post_reset(struct usb_interface *interface); 210ba0acb5eSDmitry Torokhov 211ba0acb5eSDmitry Torokhov static struct usb_driver ati_remote2_driver = { 212ba0acb5eSDmitry Torokhov .name = "ati_remote2", 213ba0acb5eSDmitry Torokhov .probe = ati_remote2_probe, 214ba0acb5eSDmitry Torokhov .disconnect = ati_remote2_disconnect, 215ba0acb5eSDmitry Torokhov .id_table = ati_remote2_id_table, 216d6505ab9SVille Syrjala .suspend = ati_remote2_suspend, 217d6505ab9SVille Syrjala .resume = ati_remote2_resume, 218169bc1efSVille Syrjala .reset_resume = ati_remote2_reset_resume, 219169bc1efSVille Syrjala .pre_reset = ati_remote2_pre_reset, 220169bc1efSVille Syrjala .post_reset = ati_remote2_post_reset, 221d6505ab9SVille Syrjala .supports_autosuspend = 1, 222ba0acb5eSDmitry Torokhov }; 223ba0acb5eSDmitry Torokhov 224d6505ab9SVille Syrjala static int ati_remote2_submit_urbs(struct ati_remote2 *ar2) 225ba0acb5eSDmitry Torokhov { 226ba0acb5eSDmitry Torokhov int r; 227ba0acb5eSDmitry Torokhov 228ba0acb5eSDmitry Torokhov r = usb_submit_urb(ar2->urb[0], GFP_KERNEL); 229ba0acb5eSDmitry Torokhov if (r) { 230ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 231d6505ab9SVille Syrjala "%s(): usb_submit_urb() = %d\n", __func__, r); 232ba0acb5eSDmitry Torokhov return r; 233ba0acb5eSDmitry Torokhov } 234ba0acb5eSDmitry Torokhov r = usb_submit_urb(ar2->urb[1], GFP_KERNEL); 235ba0acb5eSDmitry Torokhov if (r) { 236ba0acb5eSDmitry Torokhov usb_kill_urb(ar2->urb[0]); 237ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 238d6505ab9SVille Syrjala "%s(): usb_submit_urb() = %d\n", __func__, r); 239ba0acb5eSDmitry Torokhov return r; 240ba0acb5eSDmitry Torokhov } 241ba0acb5eSDmitry Torokhov 242ba0acb5eSDmitry Torokhov return 0; 243ba0acb5eSDmitry Torokhov } 244ba0acb5eSDmitry Torokhov 245d6505ab9SVille Syrjala static void ati_remote2_kill_urbs(struct ati_remote2 *ar2) 246d6505ab9SVille Syrjala { 247d6505ab9SVille Syrjala usb_kill_urb(ar2->urb[1]); 248d6505ab9SVille Syrjala usb_kill_urb(ar2->urb[0]); 249d6505ab9SVille Syrjala } 250d6505ab9SVille Syrjala 251d6505ab9SVille Syrjala static int ati_remote2_open(struct input_dev *idev) 252d6505ab9SVille Syrjala { 253d6505ab9SVille Syrjala struct ati_remote2 *ar2 = input_get_drvdata(idev); 254d6505ab9SVille Syrjala int r; 255d6505ab9SVille Syrjala 256d6505ab9SVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 257d6505ab9SVille Syrjala 258d6505ab9SVille Syrjala r = usb_autopm_get_interface(ar2->intf[0]); 259d6505ab9SVille Syrjala if (r) { 260d6505ab9SVille Syrjala dev_err(&ar2->intf[0]->dev, 261d6505ab9SVille Syrjala "%s(): usb_autopm_get_interface() = %d\n", __func__, r); 262d6505ab9SVille Syrjala goto fail1; 263d6505ab9SVille Syrjala } 264d6505ab9SVille Syrjala 265d6505ab9SVille Syrjala mutex_lock(&ati_remote2_mutex); 266d6505ab9SVille Syrjala 267d6505ab9SVille Syrjala if (!(ar2->flags & ATI_REMOTE2_SUSPENDED)) { 268d6505ab9SVille Syrjala r = ati_remote2_submit_urbs(ar2); 269d6505ab9SVille Syrjala if (r) 270d6505ab9SVille Syrjala goto fail2; 271d6505ab9SVille Syrjala } 272d6505ab9SVille Syrjala 273d6505ab9SVille Syrjala ar2->flags |= ATI_REMOTE2_OPENED; 274d6505ab9SVille Syrjala 275d6505ab9SVille Syrjala mutex_unlock(&ati_remote2_mutex); 276d6505ab9SVille Syrjala 277d6505ab9SVille Syrjala usb_autopm_put_interface(ar2->intf[0]); 278d6505ab9SVille Syrjala 279d6505ab9SVille Syrjala return 0; 280d6505ab9SVille Syrjala 281d6505ab9SVille Syrjala fail2: 282d6505ab9SVille Syrjala mutex_unlock(&ati_remote2_mutex); 283d6505ab9SVille Syrjala usb_autopm_put_interface(ar2->intf[0]); 284d6505ab9SVille Syrjala fail1: 285d6505ab9SVille Syrjala return r; 286d6505ab9SVille Syrjala } 287d6505ab9SVille Syrjala 288ba0acb5eSDmitry Torokhov static void ati_remote2_close(struct input_dev *idev) 289ba0acb5eSDmitry Torokhov { 290ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2 = input_get_drvdata(idev); 291ba0acb5eSDmitry Torokhov 292d6505ab9SVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 293d6505ab9SVille Syrjala 294d6505ab9SVille Syrjala mutex_lock(&ati_remote2_mutex); 295d6505ab9SVille Syrjala 296d6505ab9SVille Syrjala if (!(ar2->flags & ATI_REMOTE2_SUSPENDED)) 297d6505ab9SVille Syrjala ati_remote2_kill_urbs(ar2); 298d6505ab9SVille Syrjala 299d6505ab9SVille Syrjala ar2->flags &= ~ATI_REMOTE2_OPENED; 300d6505ab9SVille Syrjala 301d6505ab9SVille Syrjala mutex_unlock(&ati_remote2_mutex); 302ba0acb5eSDmitry Torokhov } 303ba0acb5eSDmitry Torokhov 304ba0acb5eSDmitry Torokhov static void ati_remote2_input_mouse(struct ati_remote2 *ar2) 305ba0acb5eSDmitry Torokhov { 306ba0acb5eSDmitry Torokhov struct input_dev *idev = ar2->idev; 307ba0acb5eSDmitry Torokhov u8 *data = ar2->buf[0]; 308ba0acb5eSDmitry Torokhov int channel, mode; 309ba0acb5eSDmitry Torokhov 310ba0acb5eSDmitry Torokhov channel = data[0] >> 4; 311ba0acb5eSDmitry Torokhov 312d329e33cSVille Syrjala if (!((1 << channel) & ar2->channel_mask)) 313ba0acb5eSDmitry Torokhov return; 314ba0acb5eSDmitry Torokhov 315ba0acb5eSDmitry Torokhov mode = data[0] & 0x0F; 316ba0acb5eSDmitry Torokhov 3171971b9d5SVille Syrjala if (mode > ATI_REMOTE2_PC) { 318ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 319ba0acb5eSDmitry Torokhov "Unknown mode byte (%02x %02x %02x %02x)\n", 320ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 321ba0acb5eSDmitry Torokhov return; 322ba0acb5eSDmitry Torokhov } 323ba0acb5eSDmitry Torokhov 324d329e33cSVille Syrjala if (!((1 << mode) & ar2->mode_mask)) 325ba0acb5eSDmitry Torokhov return; 326ba0acb5eSDmitry Torokhov 327ba0acb5eSDmitry Torokhov input_event(idev, EV_REL, REL_X, (s8) data[1]); 328ba0acb5eSDmitry Torokhov input_event(idev, EV_REL, REL_Y, (s8) data[2]); 329ba0acb5eSDmitry Torokhov input_sync(idev); 330ba0acb5eSDmitry Torokhov } 331ba0acb5eSDmitry Torokhov 332ba0acb5eSDmitry Torokhov static int ati_remote2_lookup(unsigned int hw_code) 333ba0acb5eSDmitry Torokhov { 334ba0acb5eSDmitry Torokhov int i; 335ba0acb5eSDmitry Torokhov 3361971b9d5SVille Syrjala for (i = 0; i < ARRAY_SIZE(ati_remote2_key_table); i++) 337ba0acb5eSDmitry Torokhov if (ati_remote2_key_table[i].hw_code == hw_code) 338ba0acb5eSDmitry Torokhov return i; 339ba0acb5eSDmitry Torokhov 340ba0acb5eSDmitry Torokhov return -1; 341ba0acb5eSDmitry Torokhov } 342ba0acb5eSDmitry Torokhov 343ba0acb5eSDmitry Torokhov static void ati_remote2_input_key(struct ati_remote2 *ar2) 344ba0acb5eSDmitry Torokhov { 345ba0acb5eSDmitry Torokhov struct input_dev *idev = ar2->idev; 346ba0acb5eSDmitry Torokhov u8 *data = ar2->buf[1]; 347ba0acb5eSDmitry Torokhov int channel, mode, hw_code, index; 348ba0acb5eSDmitry Torokhov 349ba0acb5eSDmitry Torokhov channel = data[0] >> 4; 350ba0acb5eSDmitry Torokhov 351d329e33cSVille Syrjala if (!((1 << channel) & ar2->channel_mask)) 352ba0acb5eSDmitry Torokhov return; 353ba0acb5eSDmitry Torokhov 354ba0acb5eSDmitry Torokhov mode = data[0] & 0x0F; 355ba0acb5eSDmitry Torokhov 3561971b9d5SVille Syrjala if (mode > ATI_REMOTE2_PC) { 357ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 358ba0acb5eSDmitry Torokhov "Unknown mode byte (%02x %02x %02x %02x)\n", 359ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 360ba0acb5eSDmitry Torokhov return; 361ba0acb5eSDmitry Torokhov } 362ba0acb5eSDmitry Torokhov 363ba0acb5eSDmitry Torokhov hw_code = data[2]; 364ba0acb5eSDmitry Torokhov if (hw_code == 0x3f) { 365ba0acb5eSDmitry Torokhov /* 366ba0acb5eSDmitry Torokhov * For some incomprehensible reason the mouse pad generates 367ba0acb5eSDmitry Torokhov * events which look identical to the events from the last 368ba0acb5eSDmitry Torokhov * pressed mode key. Naturally we don't want to generate key 369ba0acb5eSDmitry Torokhov * events for the mouse pad so we filter out any subsequent 370ba0acb5eSDmitry Torokhov * events from the same mode key. 371ba0acb5eSDmitry Torokhov */ 372ba0acb5eSDmitry Torokhov if (ar2->mode == mode) 373ba0acb5eSDmitry Torokhov return; 374ba0acb5eSDmitry Torokhov 375ba0acb5eSDmitry Torokhov if (data[1] == 0) 376ba0acb5eSDmitry Torokhov ar2->mode = mode; 377ba0acb5eSDmitry Torokhov } 378ba0acb5eSDmitry Torokhov 379d329e33cSVille Syrjala if (!((1 << mode) & ar2->mode_mask)) 380ba0acb5eSDmitry Torokhov return; 381ba0acb5eSDmitry Torokhov 382ba0acb5eSDmitry Torokhov index = ati_remote2_lookup(hw_code); 383ba0acb5eSDmitry Torokhov if (index < 0) { 384ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 385ba0acb5eSDmitry Torokhov "Unknown code byte (%02x %02x %02x %02x)\n", 386ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 387ba0acb5eSDmitry Torokhov return; 388ba0acb5eSDmitry Torokhov } 389ba0acb5eSDmitry Torokhov 390ba0acb5eSDmitry Torokhov switch (data[1]) { 391ba0acb5eSDmitry Torokhov case 0: /* release */ 392ba0acb5eSDmitry Torokhov break; 393ba0acb5eSDmitry Torokhov case 1: /* press */ 394ba0acb5eSDmitry Torokhov ar2->jiffies = jiffies + msecs_to_jiffies(idev->rep[REP_DELAY]); 395ba0acb5eSDmitry Torokhov break; 396ba0acb5eSDmitry Torokhov case 2: /* repeat */ 397ba0acb5eSDmitry Torokhov 398ba0acb5eSDmitry Torokhov /* No repeat for mouse buttons. */ 3991971b9d5SVille Syrjala if (ar2->keycode[mode][index] == BTN_LEFT || 4001971b9d5SVille Syrjala ar2->keycode[mode][index] == BTN_RIGHT) 401ba0acb5eSDmitry Torokhov return; 402ba0acb5eSDmitry Torokhov 403ba0acb5eSDmitry Torokhov if (!time_after_eq(jiffies, ar2->jiffies)) 404ba0acb5eSDmitry Torokhov return; 405ba0acb5eSDmitry Torokhov 406ba0acb5eSDmitry Torokhov ar2->jiffies = jiffies + msecs_to_jiffies(idev->rep[REP_PERIOD]); 407ba0acb5eSDmitry Torokhov break; 408ba0acb5eSDmitry Torokhov default: 409ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 410ba0acb5eSDmitry Torokhov "Unknown state byte (%02x %02x %02x %02x)\n", 411ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 412ba0acb5eSDmitry Torokhov return; 413ba0acb5eSDmitry Torokhov } 414ba0acb5eSDmitry Torokhov 4151971b9d5SVille Syrjala input_event(idev, EV_KEY, ar2->keycode[mode][index], data[1]); 416ba0acb5eSDmitry Torokhov input_sync(idev); 417ba0acb5eSDmitry Torokhov } 418ba0acb5eSDmitry Torokhov 419ba0acb5eSDmitry Torokhov static void ati_remote2_complete_mouse(struct urb *urb) 420ba0acb5eSDmitry Torokhov { 421ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2 = urb->context; 422ba0acb5eSDmitry Torokhov int r; 423ba0acb5eSDmitry Torokhov 424ba0acb5eSDmitry Torokhov switch (urb->status) { 425ba0acb5eSDmitry Torokhov case 0: 426d6505ab9SVille Syrjala usb_mark_last_busy(ar2->udev); 427ba0acb5eSDmitry Torokhov ati_remote2_input_mouse(ar2); 428ba0acb5eSDmitry Torokhov break; 429ba0acb5eSDmitry Torokhov case -ENOENT: 430ba0acb5eSDmitry Torokhov case -EILSEQ: 431ba0acb5eSDmitry Torokhov case -ECONNRESET: 432ba0acb5eSDmitry Torokhov case -ESHUTDOWN: 433ba0acb5eSDmitry Torokhov dev_dbg(&ar2->intf[0]->dev, 434ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 435ba0acb5eSDmitry Torokhov return; 436ba0acb5eSDmitry Torokhov default: 437d6505ab9SVille Syrjala usb_mark_last_busy(ar2->udev); 438ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 439ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 440ba0acb5eSDmitry Torokhov } 441ba0acb5eSDmitry Torokhov 442ba0acb5eSDmitry Torokhov r = usb_submit_urb(urb, GFP_ATOMIC); 443ba0acb5eSDmitry Torokhov if (r) 444ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 445ea3e6c59SHarvey Harrison "%s(): usb_submit_urb() = %d\n", __func__, r); 446ba0acb5eSDmitry Torokhov } 447ba0acb5eSDmitry Torokhov 448ba0acb5eSDmitry Torokhov static void ati_remote2_complete_key(struct urb *urb) 449ba0acb5eSDmitry Torokhov { 450ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2 = urb->context; 451ba0acb5eSDmitry Torokhov int r; 452ba0acb5eSDmitry Torokhov 453ba0acb5eSDmitry Torokhov switch (urb->status) { 454ba0acb5eSDmitry Torokhov case 0: 455d6505ab9SVille Syrjala usb_mark_last_busy(ar2->udev); 456ba0acb5eSDmitry Torokhov ati_remote2_input_key(ar2); 457ba0acb5eSDmitry Torokhov break; 458ba0acb5eSDmitry Torokhov case -ENOENT: 459ba0acb5eSDmitry Torokhov case -EILSEQ: 460ba0acb5eSDmitry Torokhov case -ECONNRESET: 461ba0acb5eSDmitry Torokhov case -ESHUTDOWN: 462ba0acb5eSDmitry Torokhov dev_dbg(&ar2->intf[1]->dev, 463ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 464ba0acb5eSDmitry Torokhov return; 465ba0acb5eSDmitry Torokhov default: 466d6505ab9SVille Syrjala usb_mark_last_busy(ar2->udev); 467ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 468ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 469ba0acb5eSDmitry Torokhov } 470ba0acb5eSDmitry Torokhov 471ba0acb5eSDmitry Torokhov r = usb_submit_urb(urb, GFP_ATOMIC); 472ba0acb5eSDmitry Torokhov if (r) 473ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 474ea3e6c59SHarvey Harrison "%s(): usb_submit_urb() = %d\n", __func__, r); 475ba0acb5eSDmitry Torokhov } 476ba0acb5eSDmitry Torokhov 4771971b9d5SVille Syrjala static int ati_remote2_getkeycode(struct input_dev *idev, 47858b93995SDmitry Torokhov unsigned int scancode, unsigned int *keycode) 4791971b9d5SVille Syrjala { 4801971b9d5SVille Syrjala struct ati_remote2 *ar2 = input_get_drvdata(idev); 48158b93995SDmitry Torokhov unsigned int mode; 48258b93995SDmitry Torokhov int index; 4831971b9d5SVille Syrjala 4841971b9d5SVille Syrjala mode = scancode >> 8; 485d329e33cSVille Syrjala if (mode > ATI_REMOTE2_PC || !((1 << mode) & ar2->mode_mask)) 4861971b9d5SVille Syrjala return -EINVAL; 4871971b9d5SVille Syrjala 4881971b9d5SVille Syrjala index = ati_remote2_lookup(scancode & 0xFF); 4891971b9d5SVille Syrjala if (index < 0) 4901971b9d5SVille Syrjala return -EINVAL; 4911971b9d5SVille Syrjala 4921971b9d5SVille Syrjala *keycode = ar2->keycode[mode][index]; 4931971b9d5SVille Syrjala return 0; 4941971b9d5SVille Syrjala } 4951971b9d5SVille Syrjala 49658b93995SDmitry Torokhov static int ati_remote2_setkeycode(struct input_dev *idev, 49758b93995SDmitry Torokhov unsigned int scancode, unsigned int keycode) 4981971b9d5SVille Syrjala { 4991971b9d5SVille Syrjala struct ati_remote2 *ar2 = input_get_drvdata(idev); 50058b93995SDmitry Torokhov unsigned int mode, old_keycode; 50158b93995SDmitry Torokhov int index; 5021971b9d5SVille Syrjala 5031971b9d5SVille Syrjala mode = scancode >> 8; 504d329e33cSVille Syrjala if (mode > ATI_REMOTE2_PC || !((1 << mode) & ar2->mode_mask)) 5051971b9d5SVille Syrjala return -EINVAL; 5061971b9d5SVille Syrjala 5071971b9d5SVille Syrjala index = ati_remote2_lookup(scancode & 0xFF); 5081971b9d5SVille Syrjala if (index < 0) 5091971b9d5SVille Syrjala return -EINVAL; 5101971b9d5SVille Syrjala 5111971b9d5SVille Syrjala old_keycode = ar2->keycode[mode][index]; 5121971b9d5SVille Syrjala ar2->keycode[mode][index] = keycode; 513225c9886SVille Syrjala __set_bit(keycode, idev->keybit); 5141971b9d5SVille Syrjala 5151971b9d5SVille Syrjala for (mode = 0; mode < ATI_REMOTE2_MODES; mode++) { 5161971b9d5SVille Syrjala for (index = 0; index < ARRAY_SIZE(ati_remote2_key_table); index++) { 5171971b9d5SVille Syrjala if (ar2->keycode[mode][index] == old_keycode) 5181971b9d5SVille Syrjala return 0; 5191971b9d5SVille Syrjala } 5201971b9d5SVille Syrjala } 5211971b9d5SVille Syrjala 522225c9886SVille Syrjala __clear_bit(old_keycode, idev->keybit); 5231971b9d5SVille Syrjala 5241971b9d5SVille Syrjala return 0; 5251971b9d5SVille Syrjala } 5261971b9d5SVille Syrjala 527ba0acb5eSDmitry Torokhov static int ati_remote2_input_init(struct ati_remote2 *ar2) 528ba0acb5eSDmitry Torokhov { 529ba0acb5eSDmitry Torokhov struct input_dev *idev; 5301971b9d5SVille Syrjala int index, mode, retval; 531ba0acb5eSDmitry Torokhov 532ba0acb5eSDmitry Torokhov idev = input_allocate_device(); 533ba0acb5eSDmitry Torokhov if (!idev) 534ba0acb5eSDmitry Torokhov return -ENOMEM; 535ba0acb5eSDmitry Torokhov 536ba0acb5eSDmitry Torokhov ar2->idev = idev; 537ba0acb5eSDmitry Torokhov input_set_drvdata(idev, ar2); 538ba0acb5eSDmitry Torokhov 5397b19ada2SJiri Slaby idev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) | BIT_MASK(EV_REL); 5407b19ada2SJiri Slaby idev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) | 5417b19ada2SJiri Slaby BIT_MASK(BTN_RIGHT); 5427b19ada2SJiri Slaby idev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); 5431971b9d5SVille Syrjala 5441971b9d5SVille Syrjala for (mode = 0; mode < ATI_REMOTE2_MODES; mode++) { 5451971b9d5SVille Syrjala for (index = 0; index < ARRAY_SIZE(ati_remote2_key_table); index++) { 5461971b9d5SVille Syrjala ar2->keycode[mode][index] = ati_remote2_key_table[index].keycode; 547225c9886SVille Syrjala __set_bit(ar2->keycode[mode][index], idev->keybit); 5481971b9d5SVille Syrjala } 5491971b9d5SVille Syrjala } 5501971b9d5SVille Syrjala 5511971b9d5SVille Syrjala /* AUX1-AUX4 and PC generate the same scancode. */ 5521971b9d5SVille Syrjala index = ati_remote2_lookup(0x3f); 5531971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_AUX1][index] = KEY_PROG1; 5541971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_AUX2][index] = KEY_PROG2; 5551971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_AUX3][index] = KEY_PROG3; 5561971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_AUX4][index] = KEY_PROG4; 5571971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_PC][index] = KEY_PC; 558225c9886SVille Syrjala __set_bit(KEY_PROG1, idev->keybit); 559225c9886SVille Syrjala __set_bit(KEY_PROG2, idev->keybit); 560225c9886SVille Syrjala __set_bit(KEY_PROG3, idev->keybit); 561225c9886SVille Syrjala __set_bit(KEY_PROG4, idev->keybit); 562225c9886SVille Syrjala __set_bit(KEY_PC, idev->keybit); 563ba0acb5eSDmitry Torokhov 564ba0acb5eSDmitry Torokhov idev->rep[REP_DELAY] = 250; 565ba0acb5eSDmitry Torokhov idev->rep[REP_PERIOD] = 33; 566ba0acb5eSDmitry Torokhov 567ba0acb5eSDmitry Torokhov idev->open = ati_remote2_open; 568ba0acb5eSDmitry Torokhov idev->close = ati_remote2_close; 569ba0acb5eSDmitry Torokhov 5701971b9d5SVille Syrjala idev->getkeycode = ati_remote2_getkeycode; 5711971b9d5SVille Syrjala idev->setkeycode = ati_remote2_setkeycode; 5721971b9d5SVille Syrjala 573ba0acb5eSDmitry Torokhov idev->name = ar2->name; 574ba0acb5eSDmitry Torokhov idev->phys = ar2->phys; 575ba0acb5eSDmitry Torokhov 576ba0acb5eSDmitry Torokhov usb_to_input_id(ar2->udev, &idev->id); 577ba0acb5eSDmitry Torokhov idev->dev.parent = &ar2->udev->dev; 578ba0acb5eSDmitry Torokhov 579ba0acb5eSDmitry Torokhov retval = input_register_device(idev); 580ba0acb5eSDmitry Torokhov if (retval) 581ba0acb5eSDmitry Torokhov input_free_device(idev); 582ba0acb5eSDmitry Torokhov 583ba0acb5eSDmitry Torokhov return retval; 584ba0acb5eSDmitry Torokhov } 585ba0acb5eSDmitry Torokhov 586ba0acb5eSDmitry Torokhov static int ati_remote2_urb_init(struct ati_remote2 *ar2) 587ba0acb5eSDmitry Torokhov { 588ba0acb5eSDmitry Torokhov struct usb_device *udev = ar2->udev; 589ba0acb5eSDmitry Torokhov int i, pipe, maxp; 590ba0acb5eSDmitry Torokhov 591ba0acb5eSDmitry Torokhov for (i = 0; i < 2; i++) { 592ba0acb5eSDmitry Torokhov ar2->buf[i] = usb_buffer_alloc(udev, 4, GFP_KERNEL, &ar2->buf_dma[i]); 593ba0acb5eSDmitry Torokhov if (!ar2->buf[i]) 594ba0acb5eSDmitry Torokhov return -ENOMEM; 595ba0acb5eSDmitry Torokhov 596ba0acb5eSDmitry Torokhov ar2->urb[i] = usb_alloc_urb(0, GFP_KERNEL); 597ba0acb5eSDmitry Torokhov if (!ar2->urb[i]) 598ba0acb5eSDmitry Torokhov return -ENOMEM; 599ba0acb5eSDmitry Torokhov 600ba0acb5eSDmitry Torokhov pipe = usb_rcvintpipe(udev, ar2->ep[i]->bEndpointAddress); 601ba0acb5eSDmitry Torokhov maxp = usb_maxpacket(udev, pipe, usb_pipeout(pipe)); 602ba0acb5eSDmitry Torokhov maxp = maxp > 4 ? 4 : maxp; 603ba0acb5eSDmitry Torokhov 604ba0acb5eSDmitry Torokhov usb_fill_int_urb(ar2->urb[i], udev, pipe, ar2->buf[i], maxp, 605ba0acb5eSDmitry Torokhov i ? ati_remote2_complete_key : ati_remote2_complete_mouse, 606ba0acb5eSDmitry Torokhov ar2, ar2->ep[i]->bInterval); 607ba0acb5eSDmitry Torokhov ar2->urb[i]->transfer_dma = ar2->buf_dma[i]; 608ba0acb5eSDmitry Torokhov ar2->urb[i]->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; 609ba0acb5eSDmitry Torokhov } 610ba0acb5eSDmitry Torokhov 611ba0acb5eSDmitry Torokhov return 0; 612ba0acb5eSDmitry Torokhov } 613ba0acb5eSDmitry Torokhov 614ba0acb5eSDmitry Torokhov static void ati_remote2_urb_cleanup(struct ati_remote2 *ar2) 615ba0acb5eSDmitry Torokhov { 616ba0acb5eSDmitry Torokhov int i; 617ba0acb5eSDmitry Torokhov 618ba0acb5eSDmitry Torokhov for (i = 0; i < 2; i++) { 619ba0acb5eSDmitry Torokhov usb_free_urb(ar2->urb[i]); 620ba0acb5eSDmitry Torokhov usb_buffer_free(ar2->udev, 4, ar2->buf[i], ar2->buf_dma[i]); 621ba0acb5eSDmitry Torokhov } 622ba0acb5eSDmitry Torokhov } 623ba0acb5eSDmitry Torokhov 624d329e33cSVille Syrjala static int ati_remote2_setup(struct ati_remote2 *ar2, unsigned int ch_mask) 625ba0acb5eSDmitry Torokhov { 626ba0acb5eSDmitry Torokhov int r, i, channel; 627ba0acb5eSDmitry Torokhov 628ba0acb5eSDmitry Torokhov /* 629ba0acb5eSDmitry Torokhov * Configure receiver to only accept input from remote "channel" 630ba0acb5eSDmitry Torokhov * channel == 0 -> Accept input from any remote channel 631ba0acb5eSDmitry Torokhov * channel == 1 -> Only accept input from remote channel 1 632ba0acb5eSDmitry Torokhov * channel == 2 -> Only accept input from remote channel 2 633ba0acb5eSDmitry Torokhov * ... 634ba0acb5eSDmitry Torokhov * channel == 16 -> Only accept input from remote channel 16 635ba0acb5eSDmitry Torokhov */ 636ba0acb5eSDmitry Torokhov 637ba0acb5eSDmitry Torokhov channel = 0; 638ba0acb5eSDmitry Torokhov for (i = 0; i < 16; i++) { 639d329e33cSVille Syrjala if ((1 << i) & ch_mask) { 640d329e33cSVille Syrjala if (!(~(1 << i) & ch_mask)) 641ba0acb5eSDmitry Torokhov channel = i + 1; 642ba0acb5eSDmitry Torokhov break; 643ba0acb5eSDmitry Torokhov } 644ba0acb5eSDmitry Torokhov } 645ba0acb5eSDmitry Torokhov 646ba0acb5eSDmitry Torokhov r = usb_control_msg(ar2->udev, usb_sndctrlpipe(ar2->udev, 0), 647ba0acb5eSDmitry Torokhov 0x20, 648ba0acb5eSDmitry Torokhov USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, 649ba0acb5eSDmitry Torokhov channel, 0x0, NULL, 0, USB_CTRL_SET_TIMEOUT); 650ba0acb5eSDmitry Torokhov if (r) { 651ba0acb5eSDmitry Torokhov dev_err(&ar2->udev->dev, "%s - failed to set channel due to error: %d\n", 652ea3e6c59SHarvey Harrison __func__, r); 653ba0acb5eSDmitry Torokhov return r; 654ba0acb5eSDmitry Torokhov } 655ba0acb5eSDmitry Torokhov 656ba0acb5eSDmitry Torokhov return 0; 657ba0acb5eSDmitry Torokhov } 658ba0acb5eSDmitry Torokhov 659d329e33cSVille Syrjala static ssize_t ati_remote2_show_channel_mask(struct device *dev, 660d329e33cSVille Syrjala struct device_attribute *attr, 661d329e33cSVille Syrjala char *buf) 662d329e33cSVille Syrjala { 663d329e33cSVille Syrjala struct usb_device *udev = to_usb_device(dev); 664d329e33cSVille Syrjala struct usb_interface *intf = usb_ifnum_to_if(udev, 0); 665d329e33cSVille Syrjala struct ati_remote2 *ar2 = usb_get_intfdata(intf); 666d329e33cSVille Syrjala 667d329e33cSVille Syrjala return sprintf(buf, "0x%04x\n", ar2->channel_mask); 668d329e33cSVille Syrjala } 669d329e33cSVille Syrjala 670d329e33cSVille Syrjala static ssize_t ati_remote2_store_channel_mask(struct device *dev, 671d329e33cSVille Syrjala struct device_attribute *attr, 672d329e33cSVille Syrjala const char *buf, size_t count) 673d329e33cSVille Syrjala { 674d329e33cSVille Syrjala struct usb_device *udev = to_usb_device(dev); 675d329e33cSVille Syrjala struct usb_interface *intf = usb_ifnum_to_if(udev, 0); 676d329e33cSVille Syrjala struct ati_remote2 *ar2 = usb_get_intfdata(intf); 677d329e33cSVille Syrjala unsigned long mask; 678d329e33cSVille Syrjala int r; 679d329e33cSVille Syrjala 680d329e33cSVille Syrjala if (strict_strtoul(buf, 0, &mask)) 681d329e33cSVille Syrjala return -EINVAL; 682d329e33cSVille Syrjala 683d329e33cSVille Syrjala if (mask & ~ATI_REMOTE2_MAX_CHANNEL_MASK) 684d329e33cSVille Syrjala return -EINVAL; 685d329e33cSVille Syrjala 686d329e33cSVille Syrjala r = usb_autopm_get_interface(ar2->intf[0]); 687d329e33cSVille Syrjala if (r) { 688d329e33cSVille Syrjala dev_err(&ar2->intf[0]->dev, 689d329e33cSVille Syrjala "%s(): usb_autopm_get_interface() = %d\n", __func__, r); 690d329e33cSVille Syrjala return r; 691d329e33cSVille Syrjala } 692d329e33cSVille Syrjala 693d329e33cSVille Syrjala mutex_lock(&ati_remote2_mutex); 694d329e33cSVille Syrjala 695d329e33cSVille Syrjala if (mask != ar2->channel_mask && !ati_remote2_setup(ar2, mask)) 696d329e33cSVille Syrjala ar2->channel_mask = mask; 697d329e33cSVille Syrjala 698d329e33cSVille Syrjala mutex_unlock(&ati_remote2_mutex); 699d329e33cSVille Syrjala 700d329e33cSVille Syrjala usb_autopm_put_interface(ar2->intf[0]); 701d329e33cSVille Syrjala 702d329e33cSVille Syrjala return count; 703d329e33cSVille Syrjala } 704d329e33cSVille Syrjala 705d329e33cSVille Syrjala static ssize_t ati_remote2_show_mode_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%02x\n", ar2->mode_mask); 714d329e33cSVille Syrjala } 715d329e33cSVille Syrjala 716d329e33cSVille Syrjala static ssize_t ati_remote2_store_mode_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 725d329e33cSVille Syrjala if (strict_strtoul(buf, 0, &mask)) 726d329e33cSVille Syrjala return -EINVAL; 727d329e33cSVille Syrjala 728d329e33cSVille Syrjala if (mask & ~ATI_REMOTE2_MAX_MODE_MASK) 729d329e33cSVille Syrjala return -EINVAL; 730d329e33cSVille Syrjala 731d329e33cSVille Syrjala ar2->mode_mask = mask; 732d329e33cSVille Syrjala 733d329e33cSVille Syrjala return count; 734d329e33cSVille Syrjala } 735d329e33cSVille Syrjala 736d329e33cSVille Syrjala static DEVICE_ATTR(channel_mask, 0644, ati_remote2_show_channel_mask, 737d329e33cSVille Syrjala ati_remote2_store_channel_mask); 738d329e33cSVille Syrjala 739d329e33cSVille Syrjala static DEVICE_ATTR(mode_mask, 0644, ati_remote2_show_mode_mask, 740d329e33cSVille Syrjala ati_remote2_store_mode_mask); 741d329e33cSVille Syrjala 742d329e33cSVille Syrjala static struct attribute *ati_remote2_attrs[] = { 743d329e33cSVille Syrjala &dev_attr_channel_mask.attr, 744d329e33cSVille Syrjala &dev_attr_mode_mask.attr, 745d329e33cSVille Syrjala NULL, 746d329e33cSVille Syrjala }; 747d329e33cSVille Syrjala 748d329e33cSVille Syrjala static struct attribute_group ati_remote2_attr_group = { 749d329e33cSVille Syrjala .attrs = ati_remote2_attrs, 750d329e33cSVille Syrjala }; 751d329e33cSVille Syrjala 752ba0acb5eSDmitry Torokhov static int ati_remote2_probe(struct usb_interface *interface, const struct usb_device_id *id) 753ba0acb5eSDmitry Torokhov { 754ba0acb5eSDmitry Torokhov struct usb_device *udev = interface_to_usbdev(interface); 755ba0acb5eSDmitry Torokhov struct usb_host_interface *alt = interface->cur_altsetting; 756ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2; 757ba0acb5eSDmitry Torokhov int r; 758ba0acb5eSDmitry Torokhov 759ba0acb5eSDmitry Torokhov if (alt->desc.bInterfaceNumber) 760ba0acb5eSDmitry Torokhov return -ENODEV; 761ba0acb5eSDmitry Torokhov 762ba0acb5eSDmitry Torokhov ar2 = kzalloc(sizeof (struct ati_remote2), GFP_KERNEL); 763ba0acb5eSDmitry Torokhov if (!ar2) 764ba0acb5eSDmitry Torokhov return -ENOMEM; 765ba0acb5eSDmitry Torokhov 766ba0acb5eSDmitry Torokhov ar2->udev = udev; 767ba0acb5eSDmitry Torokhov 768ba0acb5eSDmitry Torokhov ar2->intf[0] = interface; 769ba0acb5eSDmitry Torokhov ar2->ep[0] = &alt->endpoint[0].desc; 770ba0acb5eSDmitry Torokhov 771ba0acb5eSDmitry Torokhov ar2->intf[1] = usb_ifnum_to_if(udev, 1); 772ba0acb5eSDmitry Torokhov r = usb_driver_claim_interface(&ati_remote2_driver, ar2->intf[1], ar2); 773ba0acb5eSDmitry Torokhov if (r) 774ba0acb5eSDmitry Torokhov goto fail1; 775ba0acb5eSDmitry Torokhov alt = ar2->intf[1]->cur_altsetting; 776ba0acb5eSDmitry Torokhov ar2->ep[1] = &alt->endpoint[0].desc; 777ba0acb5eSDmitry Torokhov 778ba0acb5eSDmitry Torokhov r = ati_remote2_urb_init(ar2); 779ba0acb5eSDmitry Torokhov if (r) 780ba0acb5eSDmitry Torokhov goto fail2; 781ba0acb5eSDmitry Torokhov 7828a49cfa9SVille Syrjala ar2->channel_mask = channel_mask; 7838a49cfa9SVille Syrjala ar2->mode_mask = mode_mask; 784d329e33cSVille Syrjala 785d329e33cSVille Syrjala r = ati_remote2_setup(ar2, ar2->channel_mask); 786ba0acb5eSDmitry Torokhov if (r) 787ba0acb5eSDmitry Torokhov goto fail2; 788ba0acb5eSDmitry Torokhov 789ba0acb5eSDmitry Torokhov usb_make_path(udev, ar2->phys, sizeof(ar2->phys)); 790ba0acb5eSDmitry Torokhov strlcat(ar2->phys, "/input0", sizeof(ar2->phys)); 791ba0acb5eSDmitry Torokhov 792ba0acb5eSDmitry Torokhov strlcat(ar2->name, "ATI Remote Wonder II", sizeof(ar2->name)); 793ba0acb5eSDmitry Torokhov 794d329e33cSVille Syrjala r = sysfs_create_group(&udev->dev.kobj, &ati_remote2_attr_group); 795ba0acb5eSDmitry Torokhov if (r) 796ba0acb5eSDmitry Torokhov goto fail2; 797ba0acb5eSDmitry Torokhov 798d329e33cSVille Syrjala r = ati_remote2_input_init(ar2); 799d329e33cSVille Syrjala if (r) 800d329e33cSVille Syrjala goto fail3; 801d329e33cSVille Syrjala 802ba0acb5eSDmitry Torokhov usb_set_intfdata(interface, ar2); 803ba0acb5eSDmitry Torokhov 804d6505ab9SVille Syrjala interface->needs_remote_wakeup = 1; 805d6505ab9SVille Syrjala 806ba0acb5eSDmitry Torokhov return 0; 807ba0acb5eSDmitry Torokhov 808d329e33cSVille Syrjala fail3: 809d329e33cSVille Syrjala sysfs_remove_group(&udev->dev.kobj, &ati_remote2_attr_group); 810ba0acb5eSDmitry Torokhov fail2: 811ba0acb5eSDmitry Torokhov ati_remote2_urb_cleanup(ar2); 812ba0acb5eSDmitry Torokhov usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]); 813ba0acb5eSDmitry Torokhov fail1: 814ba0acb5eSDmitry Torokhov kfree(ar2); 815ba0acb5eSDmitry Torokhov 816ba0acb5eSDmitry Torokhov return r; 817ba0acb5eSDmitry Torokhov } 818ba0acb5eSDmitry Torokhov 819ba0acb5eSDmitry Torokhov static void ati_remote2_disconnect(struct usb_interface *interface) 820ba0acb5eSDmitry Torokhov { 821ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2; 822ba0acb5eSDmitry Torokhov struct usb_host_interface *alt = interface->cur_altsetting; 823ba0acb5eSDmitry Torokhov 824ba0acb5eSDmitry Torokhov if (alt->desc.bInterfaceNumber) 825ba0acb5eSDmitry Torokhov return; 826ba0acb5eSDmitry Torokhov 827ba0acb5eSDmitry Torokhov ar2 = usb_get_intfdata(interface); 828ba0acb5eSDmitry Torokhov usb_set_intfdata(interface, NULL); 829ba0acb5eSDmitry Torokhov 830ba0acb5eSDmitry Torokhov input_unregister_device(ar2->idev); 831ba0acb5eSDmitry Torokhov 832d329e33cSVille Syrjala sysfs_remove_group(&ar2->udev->dev.kobj, &ati_remote2_attr_group); 833d329e33cSVille Syrjala 834ba0acb5eSDmitry Torokhov ati_remote2_urb_cleanup(ar2); 835ba0acb5eSDmitry Torokhov 836ba0acb5eSDmitry Torokhov usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]); 837ba0acb5eSDmitry Torokhov 838ba0acb5eSDmitry Torokhov kfree(ar2); 839ba0acb5eSDmitry Torokhov } 840ba0acb5eSDmitry Torokhov 841d6505ab9SVille Syrjala static int ati_remote2_suspend(struct usb_interface *interface, 842d6505ab9SVille Syrjala pm_message_t message) 843d6505ab9SVille Syrjala { 844d6505ab9SVille Syrjala struct ati_remote2 *ar2; 845d6505ab9SVille Syrjala struct usb_host_interface *alt = interface->cur_altsetting; 846d6505ab9SVille Syrjala 847d6505ab9SVille Syrjala if (alt->desc.bInterfaceNumber) 848d6505ab9SVille Syrjala return 0; 849d6505ab9SVille Syrjala 850d6505ab9SVille Syrjala ar2 = usb_get_intfdata(interface); 851d6505ab9SVille Syrjala 852d6505ab9SVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 853d6505ab9SVille Syrjala 854d6505ab9SVille Syrjala mutex_lock(&ati_remote2_mutex); 855d6505ab9SVille Syrjala 856d6505ab9SVille Syrjala if (ar2->flags & ATI_REMOTE2_OPENED) 857d6505ab9SVille Syrjala ati_remote2_kill_urbs(ar2); 858d6505ab9SVille Syrjala 859d6505ab9SVille Syrjala ar2->flags |= ATI_REMOTE2_SUSPENDED; 860d6505ab9SVille Syrjala 861d6505ab9SVille Syrjala mutex_unlock(&ati_remote2_mutex); 862d6505ab9SVille Syrjala 863d6505ab9SVille Syrjala return 0; 864d6505ab9SVille Syrjala } 865d6505ab9SVille Syrjala 866d6505ab9SVille Syrjala static int ati_remote2_resume(struct usb_interface *interface) 867d6505ab9SVille Syrjala { 868d6505ab9SVille Syrjala struct ati_remote2 *ar2; 869d6505ab9SVille Syrjala struct usb_host_interface *alt = interface->cur_altsetting; 870d6505ab9SVille Syrjala int r = 0; 871d6505ab9SVille Syrjala 872d6505ab9SVille Syrjala if (alt->desc.bInterfaceNumber) 873d6505ab9SVille Syrjala return 0; 874d6505ab9SVille Syrjala 875d6505ab9SVille Syrjala ar2 = usb_get_intfdata(interface); 876d6505ab9SVille Syrjala 877d6505ab9SVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 878d6505ab9SVille Syrjala 879d6505ab9SVille Syrjala mutex_lock(&ati_remote2_mutex); 880d6505ab9SVille Syrjala 881d6505ab9SVille Syrjala if (ar2->flags & ATI_REMOTE2_OPENED) 882d6505ab9SVille Syrjala r = ati_remote2_submit_urbs(ar2); 883d6505ab9SVille Syrjala 884d6505ab9SVille Syrjala if (!r) 885d6505ab9SVille Syrjala ar2->flags &= ~ATI_REMOTE2_SUSPENDED; 886d6505ab9SVille Syrjala 887d6505ab9SVille Syrjala mutex_unlock(&ati_remote2_mutex); 888d6505ab9SVille Syrjala 889d6505ab9SVille Syrjala return r; 890d6505ab9SVille Syrjala } 891d6505ab9SVille Syrjala 892169bc1efSVille Syrjala static int ati_remote2_reset_resume(struct usb_interface *interface) 893169bc1efSVille Syrjala { 894169bc1efSVille Syrjala struct ati_remote2 *ar2; 895169bc1efSVille Syrjala struct usb_host_interface *alt = interface->cur_altsetting; 896169bc1efSVille Syrjala int r = 0; 897169bc1efSVille Syrjala 898169bc1efSVille Syrjala if (alt->desc.bInterfaceNumber) 899169bc1efSVille Syrjala return 0; 900169bc1efSVille Syrjala 901169bc1efSVille Syrjala ar2 = usb_get_intfdata(interface); 902169bc1efSVille Syrjala 903169bc1efSVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 904169bc1efSVille Syrjala 905169bc1efSVille Syrjala mutex_lock(&ati_remote2_mutex); 906169bc1efSVille Syrjala 907d329e33cSVille Syrjala r = ati_remote2_setup(ar2, ar2->channel_mask); 908169bc1efSVille Syrjala if (r) 909169bc1efSVille Syrjala goto out; 910169bc1efSVille Syrjala 911169bc1efSVille Syrjala if (ar2->flags & ATI_REMOTE2_OPENED) 912169bc1efSVille Syrjala r = ati_remote2_submit_urbs(ar2); 913169bc1efSVille Syrjala 914169bc1efSVille Syrjala if (!r) 915169bc1efSVille Syrjala ar2->flags &= ~ATI_REMOTE2_SUSPENDED; 916169bc1efSVille Syrjala 917169bc1efSVille Syrjala out: 918169bc1efSVille Syrjala mutex_unlock(&ati_remote2_mutex); 919169bc1efSVille Syrjala 920169bc1efSVille Syrjala return r; 921169bc1efSVille Syrjala } 922169bc1efSVille Syrjala 923169bc1efSVille Syrjala static int ati_remote2_pre_reset(struct usb_interface *interface) 924169bc1efSVille Syrjala { 925169bc1efSVille Syrjala struct ati_remote2 *ar2; 926169bc1efSVille Syrjala struct usb_host_interface *alt = interface->cur_altsetting; 927169bc1efSVille Syrjala 928169bc1efSVille Syrjala if (alt->desc.bInterfaceNumber) 929169bc1efSVille Syrjala return 0; 930169bc1efSVille Syrjala 931169bc1efSVille Syrjala ar2 = usb_get_intfdata(interface); 932169bc1efSVille Syrjala 933169bc1efSVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 934169bc1efSVille Syrjala 935169bc1efSVille Syrjala mutex_lock(&ati_remote2_mutex); 936169bc1efSVille Syrjala 937169bc1efSVille Syrjala if (ar2->flags == ATI_REMOTE2_OPENED) 938169bc1efSVille Syrjala ati_remote2_kill_urbs(ar2); 939169bc1efSVille Syrjala 940169bc1efSVille Syrjala return 0; 941169bc1efSVille Syrjala } 942169bc1efSVille Syrjala 943169bc1efSVille Syrjala static int ati_remote2_post_reset(struct usb_interface *interface) 944169bc1efSVille Syrjala { 945169bc1efSVille Syrjala struct ati_remote2 *ar2; 946169bc1efSVille Syrjala struct usb_host_interface *alt = interface->cur_altsetting; 947169bc1efSVille Syrjala int r = 0; 948169bc1efSVille Syrjala 949169bc1efSVille Syrjala if (alt->desc.bInterfaceNumber) 950169bc1efSVille Syrjala return 0; 951169bc1efSVille Syrjala 952169bc1efSVille Syrjala ar2 = usb_get_intfdata(interface); 953169bc1efSVille Syrjala 954169bc1efSVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 955169bc1efSVille Syrjala 956169bc1efSVille Syrjala if (ar2->flags == ATI_REMOTE2_OPENED) 957169bc1efSVille Syrjala r = ati_remote2_submit_urbs(ar2); 958169bc1efSVille Syrjala 959169bc1efSVille Syrjala mutex_unlock(&ati_remote2_mutex); 960169bc1efSVille Syrjala 961169bc1efSVille Syrjala return r; 962169bc1efSVille Syrjala } 963169bc1efSVille Syrjala 964ba0acb5eSDmitry Torokhov static int __init ati_remote2_init(void) 965ba0acb5eSDmitry Torokhov { 966ba0acb5eSDmitry Torokhov int r; 967ba0acb5eSDmitry Torokhov 968ba0acb5eSDmitry Torokhov r = usb_register(&ati_remote2_driver); 969ba0acb5eSDmitry Torokhov if (r) 970ba0acb5eSDmitry Torokhov printk(KERN_ERR "ati_remote2: usb_register() = %d\n", r); 971ba0acb5eSDmitry Torokhov else 972ba0acb5eSDmitry Torokhov printk(KERN_INFO "ati_remote2: " DRIVER_DESC " " DRIVER_VERSION "\n"); 973ba0acb5eSDmitry Torokhov 974ba0acb5eSDmitry Torokhov return r; 975ba0acb5eSDmitry Torokhov } 976ba0acb5eSDmitry Torokhov 977ba0acb5eSDmitry Torokhov static void __exit ati_remote2_exit(void) 978ba0acb5eSDmitry Torokhov { 979ba0acb5eSDmitry Torokhov usb_deregister(&ati_remote2_driver); 980ba0acb5eSDmitry Torokhov } 981ba0acb5eSDmitry Torokhov 982ba0acb5eSDmitry Torokhov module_init(ati_remote2_init); 983ba0acb5eSDmitry Torokhov module_exit(ati_remote2_exit); 984