1ba0acb5eSDmitry Torokhov /* 2ba0acb5eSDmitry Torokhov * ati_remote2 - ATI/Philips USB RF remote driver 3ba0acb5eSDmitry Torokhov * 41971b9d5SVille Syrjala * Copyright (C) 2005-2008 Ville Syrjala <syrjala@sci.fi> 51971b9d5SVille Syrjala * Copyright (C) 2007-2008 Peter Stokes <linux@dadeos.co.uk> 6ba0acb5eSDmitry Torokhov * 7ba0acb5eSDmitry Torokhov * This program is free software; you can redistribute it and/or modify 8ba0acb5eSDmitry Torokhov * it under the terms of the GNU General Public License version 2 9ba0acb5eSDmitry Torokhov * as published by the Free Software Foundation. 10ba0acb5eSDmitry Torokhov */ 11ba0acb5eSDmitry Torokhov 12ba0acb5eSDmitry Torokhov #include <linux/usb/input.h> 13ba0acb5eSDmitry Torokhov 14ba0acb5eSDmitry Torokhov #define DRIVER_DESC "ATI/Philips USB RF remote driver" 151971b9d5SVille Syrjala #define DRIVER_VERSION "0.3" 16ba0acb5eSDmitry Torokhov 17ba0acb5eSDmitry Torokhov MODULE_DESCRIPTION(DRIVER_DESC); 18ba0acb5eSDmitry Torokhov MODULE_VERSION(DRIVER_VERSION); 19ba0acb5eSDmitry Torokhov MODULE_AUTHOR("Ville Syrjala <syrjala@sci.fi>"); 20ba0acb5eSDmitry Torokhov MODULE_LICENSE("GPL"); 21ba0acb5eSDmitry Torokhov 22ba0acb5eSDmitry Torokhov /* 23ba0acb5eSDmitry Torokhov * ATI Remote Wonder II Channel Configuration 24ba0acb5eSDmitry Torokhov * 25ba0acb5eSDmitry Torokhov * The remote control can by assigned one of sixteen "channels" in order to facilitate 26ba0acb5eSDmitry Torokhov * the use of multiple remote controls within range of each other. 27ba0acb5eSDmitry Torokhov * A remote's "channel" may be altered by pressing and holding the "PC" button for 28ba0acb5eSDmitry Torokhov * approximately 3 seconds, after which the button will slowly flash the count of the 29ba0acb5eSDmitry Torokhov * currently configured "channel", using the numeric keypad enter a number between 1 and 301971b9d5SVille Syrjala * 16 and then press the "PC" button again, the button will slowly flash the count of the 31ba0acb5eSDmitry Torokhov * newly configured "channel". 32ba0acb5eSDmitry Torokhov */ 33ba0acb5eSDmitry Torokhov 34d329e33cSVille Syrjala enum { 35d329e33cSVille Syrjala ATI_REMOTE2_MAX_CHANNEL_MASK = 0xFFFF, 36d329e33cSVille Syrjala ATI_REMOTE2_MAX_MODE_MASK = 0x1F, 37d329e33cSVille Syrjala }; 38d329e33cSVille Syrjala 398a49cfa9SVille Syrjala static int ati_remote2_set_mask(const char *val, 408a49cfa9SVille Syrjala struct kernel_param *kp, unsigned int max) 418a49cfa9SVille Syrjala { 428a49cfa9SVille Syrjala unsigned long mask; 438a49cfa9SVille Syrjala int ret; 448a49cfa9SVille Syrjala 458a49cfa9SVille Syrjala if (!val) 468a49cfa9SVille Syrjala return -EINVAL; 478a49cfa9SVille Syrjala 488a49cfa9SVille Syrjala ret = strict_strtoul(val, 0, &mask); 498a49cfa9SVille Syrjala if (ret) 508a49cfa9SVille Syrjala return ret; 518a49cfa9SVille Syrjala 528a49cfa9SVille Syrjala if (mask & ~max) 538a49cfa9SVille Syrjala return -EINVAL; 548a49cfa9SVille Syrjala 558a49cfa9SVille Syrjala *(unsigned int *)kp->arg = mask; 568a49cfa9SVille Syrjala 578a49cfa9SVille Syrjala return 0; 588a49cfa9SVille Syrjala } 598a49cfa9SVille Syrjala 608a49cfa9SVille Syrjala static int ati_remote2_set_channel_mask(const char *val, 618a49cfa9SVille Syrjala struct kernel_param *kp) 628a49cfa9SVille Syrjala { 638a49cfa9SVille Syrjala pr_debug("%s()\n", __func__); 648a49cfa9SVille Syrjala 658a49cfa9SVille Syrjala return ati_remote2_set_mask(val, kp, ATI_REMOTE2_MAX_CHANNEL_MASK); 668a49cfa9SVille Syrjala } 678a49cfa9SVille Syrjala 688a49cfa9SVille Syrjala static int ati_remote2_get_channel_mask(char *buffer, struct kernel_param *kp) 698a49cfa9SVille Syrjala { 708a49cfa9SVille Syrjala pr_debug("%s()\n", __func__); 718a49cfa9SVille Syrjala 728a49cfa9SVille Syrjala return sprintf(buffer, "0x%04x", *(unsigned int *)kp->arg); 738a49cfa9SVille Syrjala } 748a49cfa9SVille Syrjala 758a49cfa9SVille Syrjala static int ati_remote2_set_mode_mask(const char *val, struct kernel_param *kp) 768a49cfa9SVille Syrjala { 778a49cfa9SVille Syrjala pr_debug("%s()\n", __func__); 788a49cfa9SVille Syrjala 798a49cfa9SVille Syrjala return ati_remote2_set_mask(val, kp, ATI_REMOTE2_MAX_MODE_MASK); 808a49cfa9SVille Syrjala } 818a49cfa9SVille Syrjala 828a49cfa9SVille Syrjala static int ati_remote2_get_mode_mask(char *buffer, struct kernel_param *kp) 838a49cfa9SVille Syrjala { 848a49cfa9SVille Syrjala pr_debug("%s()\n", __func__); 858a49cfa9SVille Syrjala 868a49cfa9SVille Syrjala return sprintf(buffer, "0x%02x", *(unsigned int *)kp->arg); 878a49cfa9SVille Syrjala } 888a49cfa9SVille Syrjala 89d329e33cSVille Syrjala static unsigned int channel_mask = ATI_REMOTE2_MAX_CHANNEL_MASK; 908a49cfa9SVille Syrjala #define param_check_channel_mask(name, p) __param_check(name, p, unsigned int) 918a49cfa9SVille Syrjala #define param_set_channel_mask ati_remote2_set_channel_mask 928a49cfa9SVille Syrjala #define param_get_channel_mask ati_remote2_get_channel_mask 938a49cfa9SVille Syrjala module_param(channel_mask, channel_mask, 0644); 94ba0acb5eSDmitry Torokhov MODULE_PARM_DESC(channel_mask, "Bitmask of channels to accept <15:Channel16>...<1:Channel2><0:Channel1>"); 95ba0acb5eSDmitry Torokhov 96d329e33cSVille Syrjala static unsigned int mode_mask = ATI_REMOTE2_MAX_MODE_MASK; 978a49cfa9SVille Syrjala #define param_check_mode_mask(name, p) __param_check(name, p, unsigned int) 988a49cfa9SVille Syrjala #define param_set_mode_mask ati_remote2_set_mode_mask 998a49cfa9SVille Syrjala #define param_get_mode_mask ati_remote2_get_mode_mask 1008a49cfa9SVille Syrjala module_param(mode_mask, mode_mask, 0644); 101ba0acb5eSDmitry Torokhov MODULE_PARM_DESC(mode_mask, "Bitmask of modes to accept <4:PC><3:AUX4><2:AUX3><1:AUX2><0:AUX1>"); 102ba0acb5eSDmitry Torokhov 103ba0acb5eSDmitry Torokhov static struct usb_device_id ati_remote2_id_table[] = { 104ba0acb5eSDmitry Torokhov { USB_DEVICE(0x0471, 0x0602) }, /* ATI Remote Wonder II */ 105ba0acb5eSDmitry Torokhov { } 106ba0acb5eSDmitry Torokhov }; 107ba0acb5eSDmitry Torokhov MODULE_DEVICE_TABLE(usb, ati_remote2_id_table); 108ba0acb5eSDmitry Torokhov 109d6505ab9SVille Syrjala static DEFINE_MUTEX(ati_remote2_mutex); 110d6505ab9SVille Syrjala 111d6505ab9SVille Syrjala enum { 112d6505ab9SVille Syrjala ATI_REMOTE2_OPENED = 0x1, 113d6505ab9SVille Syrjala ATI_REMOTE2_SUSPENDED = 0x2, 114d6505ab9SVille Syrjala }; 115d6505ab9SVille Syrjala 1161971b9d5SVille Syrjala enum { 1171971b9d5SVille Syrjala ATI_REMOTE2_AUX1, 1181971b9d5SVille Syrjala ATI_REMOTE2_AUX2, 1191971b9d5SVille Syrjala ATI_REMOTE2_AUX3, 1201971b9d5SVille Syrjala ATI_REMOTE2_AUX4, 1211971b9d5SVille Syrjala ATI_REMOTE2_PC, 1221971b9d5SVille Syrjala ATI_REMOTE2_MODES, 1231971b9d5SVille Syrjala }; 1241971b9d5SVille Syrjala 1251971b9d5SVille Syrjala static const struct { 1261971b9d5SVille Syrjala u8 hw_code; 1271971b9d5SVille Syrjala u16 keycode; 128ba0acb5eSDmitry Torokhov } ati_remote2_key_table[] = { 129ba0acb5eSDmitry Torokhov { 0x00, KEY_0 }, 130ba0acb5eSDmitry Torokhov { 0x01, KEY_1 }, 131ba0acb5eSDmitry Torokhov { 0x02, KEY_2 }, 132ba0acb5eSDmitry Torokhov { 0x03, KEY_3 }, 133ba0acb5eSDmitry Torokhov { 0x04, KEY_4 }, 134ba0acb5eSDmitry Torokhov { 0x05, KEY_5 }, 135ba0acb5eSDmitry Torokhov { 0x06, KEY_6 }, 136ba0acb5eSDmitry Torokhov { 0x07, KEY_7 }, 137ba0acb5eSDmitry Torokhov { 0x08, KEY_8 }, 138ba0acb5eSDmitry Torokhov { 0x09, KEY_9 }, 139ba0acb5eSDmitry Torokhov { 0x0c, KEY_POWER }, 140ba0acb5eSDmitry Torokhov { 0x0d, KEY_MUTE }, 141ba0acb5eSDmitry Torokhov { 0x10, KEY_VOLUMEUP }, 142ba0acb5eSDmitry Torokhov { 0x11, KEY_VOLUMEDOWN }, 143ba0acb5eSDmitry Torokhov { 0x20, KEY_CHANNELUP }, 144ba0acb5eSDmitry Torokhov { 0x21, KEY_CHANNELDOWN }, 145ba0acb5eSDmitry Torokhov { 0x28, KEY_FORWARD }, 146ba0acb5eSDmitry Torokhov { 0x29, KEY_REWIND }, 147ba0acb5eSDmitry Torokhov { 0x2c, KEY_PLAY }, 148ba0acb5eSDmitry Torokhov { 0x30, KEY_PAUSE }, 149ba0acb5eSDmitry Torokhov { 0x31, KEY_STOP }, 150ba0acb5eSDmitry Torokhov { 0x37, KEY_RECORD }, 151ba0acb5eSDmitry Torokhov { 0x38, KEY_DVD }, 152ba0acb5eSDmitry Torokhov { 0x39, KEY_TV }, 1531971b9d5SVille Syrjala { 0x3f, KEY_PROG1 }, /* AUX1-AUX4 and PC */ 154ba0acb5eSDmitry Torokhov { 0x54, KEY_MENU }, 155ba0acb5eSDmitry Torokhov { 0x58, KEY_UP }, 156ba0acb5eSDmitry Torokhov { 0x59, KEY_DOWN }, 157ba0acb5eSDmitry Torokhov { 0x5a, KEY_LEFT }, 158ba0acb5eSDmitry Torokhov { 0x5b, KEY_RIGHT }, 159ba0acb5eSDmitry Torokhov { 0x5c, KEY_OK }, 160ba0acb5eSDmitry Torokhov { 0x78, KEY_A }, 161ba0acb5eSDmitry Torokhov { 0x79, KEY_B }, 162ba0acb5eSDmitry Torokhov { 0x7a, KEY_C }, 163ba0acb5eSDmitry Torokhov { 0x7b, KEY_D }, 164ba0acb5eSDmitry Torokhov { 0x7c, KEY_E }, 165ba0acb5eSDmitry Torokhov { 0x7d, KEY_F }, 166ba0acb5eSDmitry Torokhov { 0x82, KEY_ENTER }, 167ba0acb5eSDmitry Torokhov { 0x8e, KEY_VENDOR }, 168ba0acb5eSDmitry Torokhov { 0x96, KEY_COFFEE }, 169ba0acb5eSDmitry Torokhov { 0xa9, BTN_LEFT }, 170ba0acb5eSDmitry Torokhov { 0xaa, BTN_RIGHT }, 171ba0acb5eSDmitry Torokhov { 0xbe, KEY_QUESTION }, 172ba0acb5eSDmitry Torokhov { 0xd0, KEY_EDIT }, 1731971b9d5SVille Syrjala { 0xd5, KEY_FRONT }, 174ba0acb5eSDmitry Torokhov { 0xf9, KEY_INFO }, 175ba0acb5eSDmitry Torokhov }; 176ba0acb5eSDmitry Torokhov 177ba0acb5eSDmitry Torokhov struct ati_remote2 { 178ba0acb5eSDmitry Torokhov struct input_dev *idev; 179ba0acb5eSDmitry Torokhov struct usb_device *udev; 180ba0acb5eSDmitry Torokhov 181ba0acb5eSDmitry Torokhov struct usb_interface *intf[2]; 182ba0acb5eSDmitry Torokhov struct usb_endpoint_descriptor *ep[2]; 183ba0acb5eSDmitry Torokhov struct urb *urb[2]; 184ba0acb5eSDmitry Torokhov void *buf[2]; 185ba0acb5eSDmitry Torokhov dma_addr_t buf_dma[2]; 186ba0acb5eSDmitry Torokhov 187ba0acb5eSDmitry Torokhov unsigned long jiffies; 188ba0acb5eSDmitry Torokhov int mode; 189ba0acb5eSDmitry Torokhov 190ba0acb5eSDmitry Torokhov char name[64]; 191ba0acb5eSDmitry Torokhov char phys[64]; 1921971b9d5SVille Syrjala 1931971b9d5SVille Syrjala /* Each mode (AUX1-AUX4 and PC) can have an independent keymap. */ 1941971b9d5SVille Syrjala u16 keycode[ATI_REMOTE2_MODES][ARRAY_SIZE(ati_remote2_key_table)]; 195d6505ab9SVille Syrjala 196d6505ab9SVille Syrjala unsigned int flags; 197d329e33cSVille Syrjala 198d329e33cSVille Syrjala unsigned int channel_mask; 199d329e33cSVille Syrjala unsigned int mode_mask; 200ba0acb5eSDmitry Torokhov }; 201ba0acb5eSDmitry Torokhov 202ba0acb5eSDmitry Torokhov static int ati_remote2_probe(struct usb_interface *interface, const struct usb_device_id *id); 203ba0acb5eSDmitry Torokhov static void ati_remote2_disconnect(struct usb_interface *interface); 204d6505ab9SVille Syrjala static int ati_remote2_suspend(struct usb_interface *interface, pm_message_t message); 205d6505ab9SVille Syrjala static int ati_remote2_resume(struct usb_interface *interface); 206169bc1efSVille Syrjala static int ati_remote2_reset_resume(struct usb_interface *interface); 207169bc1efSVille Syrjala static int ati_remote2_pre_reset(struct usb_interface *interface); 208169bc1efSVille Syrjala static int ati_remote2_post_reset(struct usb_interface *interface); 209ba0acb5eSDmitry Torokhov 210ba0acb5eSDmitry Torokhov static struct usb_driver ati_remote2_driver = { 211ba0acb5eSDmitry Torokhov .name = "ati_remote2", 212ba0acb5eSDmitry Torokhov .probe = ati_remote2_probe, 213ba0acb5eSDmitry Torokhov .disconnect = ati_remote2_disconnect, 214ba0acb5eSDmitry Torokhov .id_table = ati_remote2_id_table, 215d6505ab9SVille Syrjala .suspend = ati_remote2_suspend, 216d6505ab9SVille Syrjala .resume = ati_remote2_resume, 217169bc1efSVille Syrjala .reset_resume = ati_remote2_reset_resume, 218169bc1efSVille Syrjala .pre_reset = ati_remote2_pre_reset, 219169bc1efSVille Syrjala .post_reset = ati_remote2_post_reset, 220d6505ab9SVille Syrjala .supports_autosuspend = 1, 221ba0acb5eSDmitry Torokhov }; 222ba0acb5eSDmitry Torokhov 223d6505ab9SVille Syrjala static int ati_remote2_submit_urbs(struct ati_remote2 *ar2) 224ba0acb5eSDmitry Torokhov { 225ba0acb5eSDmitry Torokhov int r; 226ba0acb5eSDmitry Torokhov 227ba0acb5eSDmitry Torokhov r = usb_submit_urb(ar2->urb[0], GFP_KERNEL); 228ba0acb5eSDmitry Torokhov if (r) { 229ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 230d6505ab9SVille Syrjala "%s(): usb_submit_urb() = %d\n", __func__, r); 231ba0acb5eSDmitry Torokhov return r; 232ba0acb5eSDmitry Torokhov } 233ba0acb5eSDmitry Torokhov r = usb_submit_urb(ar2->urb[1], GFP_KERNEL); 234ba0acb5eSDmitry Torokhov if (r) { 235ba0acb5eSDmitry Torokhov usb_kill_urb(ar2->urb[0]); 236ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 237d6505ab9SVille Syrjala "%s(): usb_submit_urb() = %d\n", __func__, r); 238ba0acb5eSDmitry Torokhov return r; 239ba0acb5eSDmitry Torokhov } 240ba0acb5eSDmitry Torokhov 241ba0acb5eSDmitry Torokhov return 0; 242ba0acb5eSDmitry Torokhov } 243ba0acb5eSDmitry Torokhov 244d6505ab9SVille Syrjala static void ati_remote2_kill_urbs(struct ati_remote2 *ar2) 245d6505ab9SVille Syrjala { 246d6505ab9SVille Syrjala usb_kill_urb(ar2->urb[1]); 247d6505ab9SVille Syrjala usb_kill_urb(ar2->urb[0]); 248d6505ab9SVille Syrjala } 249d6505ab9SVille Syrjala 250d6505ab9SVille Syrjala static int ati_remote2_open(struct input_dev *idev) 251d6505ab9SVille Syrjala { 252d6505ab9SVille Syrjala struct ati_remote2 *ar2 = input_get_drvdata(idev); 253d6505ab9SVille Syrjala int r; 254d6505ab9SVille Syrjala 255d6505ab9SVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 256d6505ab9SVille Syrjala 257d6505ab9SVille Syrjala r = usb_autopm_get_interface(ar2->intf[0]); 258d6505ab9SVille Syrjala if (r) { 259d6505ab9SVille Syrjala dev_err(&ar2->intf[0]->dev, 260d6505ab9SVille Syrjala "%s(): usb_autopm_get_interface() = %d\n", __func__, r); 261d6505ab9SVille Syrjala goto fail1; 262d6505ab9SVille Syrjala } 263d6505ab9SVille Syrjala 264d6505ab9SVille Syrjala mutex_lock(&ati_remote2_mutex); 265d6505ab9SVille Syrjala 266d6505ab9SVille Syrjala if (!(ar2->flags & ATI_REMOTE2_SUSPENDED)) { 267d6505ab9SVille Syrjala r = ati_remote2_submit_urbs(ar2); 268d6505ab9SVille Syrjala if (r) 269d6505ab9SVille Syrjala goto fail2; 270d6505ab9SVille Syrjala } 271d6505ab9SVille Syrjala 272d6505ab9SVille Syrjala ar2->flags |= ATI_REMOTE2_OPENED; 273d6505ab9SVille Syrjala 274d6505ab9SVille Syrjala mutex_unlock(&ati_remote2_mutex); 275d6505ab9SVille Syrjala 276d6505ab9SVille Syrjala usb_autopm_put_interface(ar2->intf[0]); 277d6505ab9SVille Syrjala 278d6505ab9SVille Syrjala return 0; 279d6505ab9SVille Syrjala 280d6505ab9SVille Syrjala fail2: 281d6505ab9SVille Syrjala mutex_unlock(&ati_remote2_mutex); 282d6505ab9SVille Syrjala usb_autopm_put_interface(ar2->intf[0]); 283d6505ab9SVille Syrjala fail1: 284d6505ab9SVille Syrjala return r; 285d6505ab9SVille Syrjala } 286d6505ab9SVille Syrjala 287ba0acb5eSDmitry Torokhov static void ati_remote2_close(struct input_dev *idev) 288ba0acb5eSDmitry Torokhov { 289ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2 = input_get_drvdata(idev); 290ba0acb5eSDmitry Torokhov 291d6505ab9SVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 292d6505ab9SVille Syrjala 293d6505ab9SVille Syrjala mutex_lock(&ati_remote2_mutex); 294d6505ab9SVille Syrjala 295d6505ab9SVille Syrjala if (!(ar2->flags & ATI_REMOTE2_SUSPENDED)) 296d6505ab9SVille Syrjala ati_remote2_kill_urbs(ar2); 297d6505ab9SVille Syrjala 298d6505ab9SVille Syrjala ar2->flags &= ~ATI_REMOTE2_OPENED; 299d6505ab9SVille Syrjala 300d6505ab9SVille Syrjala mutex_unlock(&ati_remote2_mutex); 301ba0acb5eSDmitry Torokhov } 302ba0acb5eSDmitry Torokhov 303ba0acb5eSDmitry Torokhov static void ati_remote2_input_mouse(struct ati_remote2 *ar2) 304ba0acb5eSDmitry Torokhov { 305ba0acb5eSDmitry Torokhov struct input_dev *idev = ar2->idev; 306ba0acb5eSDmitry Torokhov u8 *data = ar2->buf[0]; 307ba0acb5eSDmitry Torokhov int channel, mode; 308ba0acb5eSDmitry Torokhov 309ba0acb5eSDmitry Torokhov channel = data[0] >> 4; 310ba0acb5eSDmitry Torokhov 311d329e33cSVille Syrjala if (!((1 << channel) & ar2->channel_mask)) 312ba0acb5eSDmitry Torokhov return; 313ba0acb5eSDmitry Torokhov 314ba0acb5eSDmitry Torokhov mode = data[0] & 0x0F; 315ba0acb5eSDmitry Torokhov 3161971b9d5SVille Syrjala if (mode > ATI_REMOTE2_PC) { 317ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 318ba0acb5eSDmitry Torokhov "Unknown mode byte (%02x %02x %02x %02x)\n", 319ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 320ba0acb5eSDmitry Torokhov return; 321ba0acb5eSDmitry Torokhov } 322ba0acb5eSDmitry Torokhov 323d329e33cSVille Syrjala if (!((1 << mode) & ar2->mode_mask)) 324ba0acb5eSDmitry Torokhov return; 325ba0acb5eSDmitry Torokhov 326ba0acb5eSDmitry Torokhov input_event(idev, EV_REL, REL_X, (s8) data[1]); 327ba0acb5eSDmitry Torokhov input_event(idev, EV_REL, REL_Y, (s8) data[2]); 328ba0acb5eSDmitry Torokhov input_sync(idev); 329ba0acb5eSDmitry Torokhov } 330ba0acb5eSDmitry Torokhov 331ba0acb5eSDmitry Torokhov static int ati_remote2_lookup(unsigned int hw_code) 332ba0acb5eSDmitry Torokhov { 333ba0acb5eSDmitry Torokhov int i; 334ba0acb5eSDmitry Torokhov 3351971b9d5SVille Syrjala for (i = 0; i < ARRAY_SIZE(ati_remote2_key_table); i++) 336ba0acb5eSDmitry Torokhov if (ati_remote2_key_table[i].hw_code == hw_code) 337ba0acb5eSDmitry Torokhov return i; 338ba0acb5eSDmitry Torokhov 339ba0acb5eSDmitry Torokhov return -1; 340ba0acb5eSDmitry Torokhov } 341ba0acb5eSDmitry Torokhov 342ba0acb5eSDmitry Torokhov static void ati_remote2_input_key(struct ati_remote2 *ar2) 343ba0acb5eSDmitry Torokhov { 344ba0acb5eSDmitry Torokhov struct input_dev *idev = ar2->idev; 345ba0acb5eSDmitry Torokhov u8 *data = ar2->buf[1]; 346ba0acb5eSDmitry Torokhov int channel, mode, hw_code, index; 347ba0acb5eSDmitry Torokhov 348ba0acb5eSDmitry Torokhov channel = data[0] >> 4; 349ba0acb5eSDmitry Torokhov 350d329e33cSVille Syrjala if (!((1 << channel) & ar2->channel_mask)) 351ba0acb5eSDmitry Torokhov return; 352ba0acb5eSDmitry Torokhov 353ba0acb5eSDmitry Torokhov mode = data[0] & 0x0F; 354ba0acb5eSDmitry Torokhov 3551971b9d5SVille Syrjala if (mode > ATI_REMOTE2_PC) { 356ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 357ba0acb5eSDmitry Torokhov "Unknown mode byte (%02x %02x %02x %02x)\n", 358ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 359ba0acb5eSDmitry Torokhov return; 360ba0acb5eSDmitry Torokhov } 361ba0acb5eSDmitry Torokhov 362ba0acb5eSDmitry Torokhov hw_code = data[2]; 363ba0acb5eSDmitry Torokhov if (hw_code == 0x3f) { 364ba0acb5eSDmitry Torokhov /* 365ba0acb5eSDmitry Torokhov * For some incomprehensible reason the mouse pad generates 366ba0acb5eSDmitry Torokhov * events which look identical to the events from the last 367ba0acb5eSDmitry Torokhov * pressed mode key. Naturally we don't want to generate key 368ba0acb5eSDmitry Torokhov * events for the mouse pad so we filter out any subsequent 369ba0acb5eSDmitry Torokhov * events from the same mode key. 370ba0acb5eSDmitry Torokhov */ 371ba0acb5eSDmitry Torokhov if (ar2->mode == mode) 372ba0acb5eSDmitry Torokhov return; 373ba0acb5eSDmitry Torokhov 374ba0acb5eSDmitry Torokhov if (data[1] == 0) 375ba0acb5eSDmitry Torokhov ar2->mode = mode; 376ba0acb5eSDmitry Torokhov } 377ba0acb5eSDmitry Torokhov 378d329e33cSVille Syrjala if (!((1 << mode) & ar2->mode_mask)) 379ba0acb5eSDmitry Torokhov return; 380ba0acb5eSDmitry Torokhov 381ba0acb5eSDmitry Torokhov index = ati_remote2_lookup(hw_code); 382ba0acb5eSDmitry Torokhov if (index < 0) { 383ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 384ba0acb5eSDmitry Torokhov "Unknown code byte (%02x %02x %02x %02x)\n", 385ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 386ba0acb5eSDmitry Torokhov return; 387ba0acb5eSDmitry Torokhov } 388ba0acb5eSDmitry Torokhov 389ba0acb5eSDmitry Torokhov switch (data[1]) { 390ba0acb5eSDmitry Torokhov case 0: /* release */ 391ba0acb5eSDmitry Torokhov break; 392ba0acb5eSDmitry Torokhov case 1: /* press */ 393ba0acb5eSDmitry Torokhov ar2->jiffies = jiffies + msecs_to_jiffies(idev->rep[REP_DELAY]); 394ba0acb5eSDmitry Torokhov break; 395ba0acb5eSDmitry Torokhov case 2: /* repeat */ 396ba0acb5eSDmitry Torokhov 397ba0acb5eSDmitry Torokhov /* No repeat for mouse buttons. */ 3981971b9d5SVille Syrjala if (ar2->keycode[mode][index] == BTN_LEFT || 3991971b9d5SVille Syrjala ar2->keycode[mode][index] == BTN_RIGHT) 400ba0acb5eSDmitry Torokhov return; 401ba0acb5eSDmitry Torokhov 402ba0acb5eSDmitry Torokhov if (!time_after_eq(jiffies, ar2->jiffies)) 403ba0acb5eSDmitry Torokhov return; 404ba0acb5eSDmitry Torokhov 405ba0acb5eSDmitry Torokhov ar2->jiffies = jiffies + msecs_to_jiffies(idev->rep[REP_PERIOD]); 406ba0acb5eSDmitry Torokhov break; 407ba0acb5eSDmitry Torokhov default: 408ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 409ba0acb5eSDmitry Torokhov "Unknown state byte (%02x %02x %02x %02x)\n", 410ba0acb5eSDmitry Torokhov data[3], data[2], data[1], data[0]); 411ba0acb5eSDmitry Torokhov return; 412ba0acb5eSDmitry Torokhov } 413ba0acb5eSDmitry Torokhov 4141971b9d5SVille Syrjala input_event(idev, EV_KEY, ar2->keycode[mode][index], data[1]); 415ba0acb5eSDmitry Torokhov input_sync(idev); 416ba0acb5eSDmitry Torokhov } 417ba0acb5eSDmitry Torokhov 418ba0acb5eSDmitry Torokhov static void ati_remote2_complete_mouse(struct urb *urb) 419ba0acb5eSDmitry Torokhov { 420ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2 = urb->context; 421ba0acb5eSDmitry Torokhov int r; 422ba0acb5eSDmitry Torokhov 423ba0acb5eSDmitry Torokhov switch (urb->status) { 424ba0acb5eSDmitry Torokhov case 0: 425d6505ab9SVille Syrjala usb_mark_last_busy(ar2->udev); 426ba0acb5eSDmitry Torokhov ati_remote2_input_mouse(ar2); 427ba0acb5eSDmitry Torokhov break; 428ba0acb5eSDmitry Torokhov case -ENOENT: 429ba0acb5eSDmitry Torokhov case -EILSEQ: 430ba0acb5eSDmitry Torokhov case -ECONNRESET: 431ba0acb5eSDmitry Torokhov case -ESHUTDOWN: 432ba0acb5eSDmitry Torokhov dev_dbg(&ar2->intf[0]->dev, 433ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 434ba0acb5eSDmitry Torokhov return; 435ba0acb5eSDmitry Torokhov default: 436d6505ab9SVille Syrjala usb_mark_last_busy(ar2->udev); 437ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 438ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 439ba0acb5eSDmitry Torokhov } 440ba0acb5eSDmitry Torokhov 441ba0acb5eSDmitry Torokhov r = usb_submit_urb(urb, GFP_ATOMIC); 442ba0acb5eSDmitry Torokhov if (r) 443ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[0]->dev, 444ea3e6c59SHarvey Harrison "%s(): usb_submit_urb() = %d\n", __func__, r); 445ba0acb5eSDmitry Torokhov } 446ba0acb5eSDmitry Torokhov 447ba0acb5eSDmitry Torokhov static void ati_remote2_complete_key(struct urb *urb) 448ba0acb5eSDmitry Torokhov { 449ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2 = urb->context; 450ba0acb5eSDmitry Torokhov int r; 451ba0acb5eSDmitry Torokhov 452ba0acb5eSDmitry Torokhov switch (urb->status) { 453ba0acb5eSDmitry Torokhov case 0: 454d6505ab9SVille Syrjala usb_mark_last_busy(ar2->udev); 455ba0acb5eSDmitry Torokhov ati_remote2_input_key(ar2); 456ba0acb5eSDmitry Torokhov break; 457ba0acb5eSDmitry Torokhov case -ENOENT: 458ba0acb5eSDmitry Torokhov case -EILSEQ: 459ba0acb5eSDmitry Torokhov case -ECONNRESET: 460ba0acb5eSDmitry Torokhov case -ESHUTDOWN: 461ba0acb5eSDmitry Torokhov dev_dbg(&ar2->intf[1]->dev, 462ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 463ba0acb5eSDmitry Torokhov return; 464ba0acb5eSDmitry Torokhov default: 465d6505ab9SVille Syrjala usb_mark_last_busy(ar2->udev); 466ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 467ea3e6c59SHarvey Harrison "%s(): urb status = %d\n", __func__, urb->status); 468ba0acb5eSDmitry Torokhov } 469ba0acb5eSDmitry Torokhov 470ba0acb5eSDmitry Torokhov r = usb_submit_urb(urb, GFP_ATOMIC); 471ba0acb5eSDmitry Torokhov if (r) 472ba0acb5eSDmitry Torokhov dev_err(&ar2->intf[1]->dev, 473ea3e6c59SHarvey Harrison "%s(): usb_submit_urb() = %d\n", __func__, r); 474ba0acb5eSDmitry Torokhov } 475ba0acb5eSDmitry Torokhov 4761971b9d5SVille Syrjala static int ati_remote2_getkeycode(struct input_dev *idev, 4771971b9d5SVille Syrjala int scancode, int *keycode) 4781971b9d5SVille Syrjala { 4791971b9d5SVille Syrjala struct ati_remote2 *ar2 = input_get_drvdata(idev); 4801971b9d5SVille Syrjala int index, mode; 4811971b9d5SVille Syrjala 4821971b9d5SVille Syrjala mode = scancode >> 8; 483d329e33cSVille Syrjala if (mode > ATI_REMOTE2_PC || !((1 << mode) & ar2->mode_mask)) 4841971b9d5SVille Syrjala return -EINVAL; 4851971b9d5SVille Syrjala 4861971b9d5SVille Syrjala index = ati_remote2_lookup(scancode & 0xFF); 4871971b9d5SVille Syrjala if (index < 0) 4881971b9d5SVille Syrjala return -EINVAL; 4891971b9d5SVille Syrjala 4901971b9d5SVille Syrjala *keycode = ar2->keycode[mode][index]; 4911971b9d5SVille Syrjala return 0; 4921971b9d5SVille Syrjala } 4931971b9d5SVille Syrjala 4941971b9d5SVille Syrjala static int ati_remote2_setkeycode(struct input_dev *idev, int scancode, int keycode) 4951971b9d5SVille Syrjala { 4961971b9d5SVille Syrjala struct ati_remote2 *ar2 = input_get_drvdata(idev); 4971971b9d5SVille Syrjala int index, mode, old_keycode; 4981971b9d5SVille Syrjala 4991971b9d5SVille Syrjala mode = scancode >> 8; 500d329e33cSVille Syrjala if (mode > ATI_REMOTE2_PC || !((1 << mode) & ar2->mode_mask)) 5011971b9d5SVille Syrjala return -EINVAL; 5021971b9d5SVille Syrjala 5031971b9d5SVille Syrjala index = ati_remote2_lookup(scancode & 0xFF); 5041971b9d5SVille Syrjala if (index < 0) 5051971b9d5SVille Syrjala return -EINVAL; 5061971b9d5SVille Syrjala 5071971b9d5SVille Syrjala if (keycode < KEY_RESERVED || keycode > KEY_MAX) 5081971b9d5SVille Syrjala return -EINVAL; 5091971b9d5SVille Syrjala 5101971b9d5SVille Syrjala old_keycode = ar2->keycode[mode][index]; 5111971b9d5SVille Syrjala ar2->keycode[mode][index] = keycode; 512225c9886SVille Syrjala __set_bit(keycode, idev->keybit); 5131971b9d5SVille Syrjala 5141971b9d5SVille Syrjala for (mode = 0; mode < ATI_REMOTE2_MODES; mode++) { 5151971b9d5SVille Syrjala for (index = 0; index < ARRAY_SIZE(ati_remote2_key_table); index++) { 5161971b9d5SVille Syrjala if (ar2->keycode[mode][index] == old_keycode) 5171971b9d5SVille Syrjala return 0; 5181971b9d5SVille Syrjala } 5191971b9d5SVille Syrjala } 5201971b9d5SVille Syrjala 521225c9886SVille Syrjala __clear_bit(old_keycode, idev->keybit); 5221971b9d5SVille Syrjala 5231971b9d5SVille Syrjala return 0; 5241971b9d5SVille Syrjala } 5251971b9d5SVille Syrjala 526ba0acb5eSDmitry Torokhov static int ati_remote2_input_init(struct ati_remote2 *ar2) 527ba0acb5eSDmitry Torokhov { 528ba0acb5eSDmitry Torokhov struct input_dev *idev; 5291971b9d5SVille Syrjala int index, mode, retval; 530ba0acb5eSDmitry Torokhov 531ba0acb5eSDmitry Torokhov idev = input_allocate_device(); 532ba0acb5eSDmitry Torokhov if (!idev) 533ba0acb5eSDmitry Torokhov return -ENOMEM; 534ba0acb5eSDmitry Torokhov 535ba0acb5eSDmitry Torokhov ar2->idev = idev; 536ba0acb5eSDmitry Torokhov input_set_drvdata(idev, ar2); 537ba0acb5eSDmitry Torokhov 5387b19ada2SJiri Slaby idev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) | BIT_MASK(EV_REL); 5397b19ada2SJiri Slaby idev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) | 5407b19ada2SJiri Slaby BIT_MASK(BTN_RIGHT); 5417b19ada2SJiri Slaby idev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); 5421971b9d5SVille Syrjala 5431971b9d5SVille Syrjala for (mode = 0; mode < ATI_REMOTE2_MODES; mode++) { 5441971b9d5SVille Syrjala for (index = 0; index < ARRAY_SIZE(ati_remote2_key_table); index++) { 5451971b9d5SVille Syrjala ar2->keycode[mode][index] = ati_remote2_key_table[index].keycode; 546225c9886SVille Syrjala __set_bit(ar2->keycode[mode][index], idev->keybit); 5471971b9d5SVille Syrjala } 5481971b9d5SVille Syrjala } 5491971b9d5SVille Syrjala 5501971b9d5SVille Syrjala /* AUX1-AUX4 and PC generate the same scancode. */ 5511971b9d5SVille Syrjala index = ati_remote2_lookup(0x3f); 5521971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_AUX1][index] = KEY_PROG1; 5531971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_AUX2][index] = KEY_PROG2; 5541971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_AUX3][index] = KEY_PROG3; 5551971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_AUX4][index] = KEY_PROG4; 5561971b9d5SVille Syrjala ar2->keycode[ATI_REMOTE2_PC][index] = KEY_PC; 557225c9886SVille Syrjala __set_bit(KEY_PROG1, idev->keybit); 558225c9886SVille Syrjala __set_bit(KEY_PROG2, idev->keybit); 559225c9886SVille Syrjala __set_bit(KEY_PROG3, idev->keybit); 560225c9886SVille Syrjala __set_bit(KEY_PROG4, idev->keybit); 561225c9886SVille Syrjala __set_bit(KEY_PC, idev->keybit); 562ba0acb5eSDmitry Torokhov 563ba0acb5eSDmitry Torokhov idev->rep[REP_DELAY] = 250; 564ba0acb5eSDmitry Torokhov idev->rep[REP_PERIOD] = 33; 565ba0acb5eSDmitry Torokhov 566ba0acb5eSDmitry Torokhov idev->open = ati_remote2_open; 567ba0acb5eSDmitry Torokhov idev->close = ati_remote2_close; 568ba0acb5eSDmitry Torokhov 5691971b9d5SVille Syrjala idev->getkeycode = ati_remote2_getkeycode; 5701971b9d5SVille Syrjala idev->setkeycode = ati_remote2_setkeycode; 5711971b9d5SVille Syrjala 572ba0acb5eSDmitry Torokhov idev->name = ar2->name; 573ba0acb5eSDmitry Torokhov idev->phys = ar2->phys; 574ba0acb5eSDmitry Torokhov 575ba0acb5eSDmitry Torokhov usb_to_input_id(ar2->udev, &idev->id); 576ba0acb5eSDmitry Torokhov idev->dev.parent = &ar2->udev->dev; 577ba0acb5eSDmitry Torokhov 578ba0acb5eSDmitry Torokhov retval = input_register_device(idev); 579ba0acb5eSDmitry Torokhov if (retval) 580ba0acb5eSDmitry Torokhov input_free_device(idev); 581ba0acb5eSDmitry Torokhov 582ba0acb5eSDmitry Torokhov return retval; 583ba0acb5eSDmitry Torokhov } 584ba0acb5eSDmitry Torokhov 585ba0acb5eSDmitry Torokhov static int ati_remote2_urb_init(struct ati_remote2 *ar2) 586ba0acb5eSDmitry Torokhov { 587ba0acb5eSDmitry Torokhov struct usb_device *udev = ar2->udev; 588ba0acb5eSDmitry Torokhov int i, pipe, maxp; 589ba0acb5eSDmitry Torokhov 590ba0acb5eSDmitry Torokhov for (i = 0; i < 2; i++) { 591ba0acb5eSDmitry Torokhov ar2->buf[i] = usb_buffer_alloc(udev, 4, GFP_KERNEL, &ar2->buf_dma[i]); 592ba0acb5eSDmitry Torokhov if (!ar2->buf[i]) 593ba0acb5eSDmitry Torokhov return -ENOMEM; 594ba0acb5eSDmitry Torokhov 595ba0acb5eSDmitry Torokhov ar2->urb[i] = usb_alloc_urb(0, GFP_KERNEL); 596ba0acb5eSDmitry Torokhov if (!ar2->urb[i]) 597ba0acb5eSDmitry Torokhov return -ENOMEM; 598ba0acb5eSDmitry Torokhov 599ba0acb5eSDmitry Torokhov pipe = usb_rcvintpipe(udev, ar2->ep[i]->bEndpointAddress); 600ba0acb5eSDmitry Torokhov maxp = usb_maxpacket(udev, pipe, usb_pipeout(pipe)); 601ba0acb5eSDmitry Torokhov maxp = maxp > 4 ? 4 : maxp; 602ba0acb5eSDmitry Torokhov 603ba0acb5eSDmitry Torokhov usb_fill_int_urb(ar2->urb[i], udev, pipe, ar2->buf[i], maxp, 604ba0acb5eSDmitry Torokhov i ? ati_remote2_complete_key : ati_remote2_complete_mouse, 605ba0acb5eSDmitry Torokhov ar2, ar2->ep[i]->bInterval); 606ba0acb5eSDmitry Torokhov ar2->urb[i]->transfer_dma = ar2->buf_dma[i]; 607ba0acb5eSDmitry Torokhov ar2->urb[i]->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; 608ba0acb5eSDmitry Torokhov } 609ba0acb5eSDmitry Torokhov 610ba0acb5eSDmitry Torokhov return 0; 611ba0acb5eSDmitry Torokhov } 612ba0acb5eSDmitry Torokhov 613ba0acb5eSDmitry Torokhov static void ati_remote2_urb_cleanup(struct ati_remote2 *ar2) 614ba0acb5eSDmitry Torokhov { 615ba0acb5eSDmitry Torokhov int i; 616ba0acb5eSDmitry Torokhov 617ba0acb5eSDmitry Torokhov for (i = 0; i < 2; i++) { 618ba0acb5eSDmitry Torokhov usb_free_urb(ar2->urb[i]); 619ba0acb5eSDmitry Torokhov usb_buffer_free(ar2->udev, 4, ar2->buf[i], ar2->buf_dma[i]); 620ba0acb5eSDmitry Torokhov } 621ba0acb5eSDmitry Torokhov } 622ba0acb5eSDmitry Torokhov 623d329e33cSVille Syrjala static int ati_remote2_setup(struct ati_remote2 *ar2, unsigned int ch_mask) 624ba0acb5eSDmitry Torokhov { 625ba0acb5eSDmitry Torokhov int r, i, channel; 626ba0acb5eSDmitry Torokhov 627ba0acb5eSDmitry Torokhov /* 628ba0acb5eSDmitry Torokhov * Configure receiver to only accept input from remote "channel" 629ba0acb5eSDmitry Torokhov * channel == 0 -> Accept input from any remote channel 630ba0acb5eSDmitry Torokhov * channel == 1 -> Only accept input from remote channel 1 631ba0acb5eSDmitry Torokhov * channel == 2 -> Only accept input from remote channel 2 632ba0acb5eSDmitry Torokhov * ... 633ba0acb5eSDmitry Torokhov * channel == 16 -> Only accept input from remote channel 16 634ba0acb5eSDmitry Torokhov */ 635ba0acb5eSDmitry Torokhov 636ba0acb5eSDmitry Torokhov channel = 0; 637ba0acb5eSDmitry Torokhov for (i = 0; i < 16; i++) { 638d329e33cSVille Syrjala if ((1 << i) & ch_mask) { 639d329e33cSVille Syrjala if (!(~(1 << i) & ch_mask)) 640ba0acb5eSDmitry Torokhov channel = i + 1; 641ba0acb5eSDmitry Torokhov break; 642ba0acb5eSDmitry Torokhov } 643ba0acb5eSDmitry Torokhov } 644ba0acb5eSDmitry Torokhov 645ba0acb5eSDmitry Torokhov r = usb_control_msg(ar2->udev, usb_sndctrlpipe(ar2->udev, 0), 646ba0acb5eSDmitry Torokhov 0x20, 647ba0acb5eSDmitry Torokhov USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, 648ba0acb5eSDmitry Torokhov channel, 0x0, NULL, 0, USB_CTRL_SET_TIMEOUT); 649ba0acb5eSDmitry Torokhov if (r) { 650ba0acb5eSDmitry Torokhov dev_err(&ar2->udev->dev, "%s - failed to set channel due to error: %d\n", 651ea3e6c59SHarvey Harrison __func__, r); 652ba0acb5eSDmitry Torokhov return r; 653ba0acb5eSDmitry Torokhov } 654ba0acb5eSDmitry Torokhov 655ba0acb5eSDmitry Torokhov return 0; 656ba0acb5eSDmitry Torokhov } 657ba0acb5eSDmitry Torokhov 658d329e33cSVille Syrjala static ssize_t ati_remote2_show_channel_mask(struct device *dev, 659d329e33cSVille Syrjala struct device_attribute *attr, 660d329e33cSVille Syrjala char *buf) 661d329e33cSVille Syrjala { 662d329e33cSVille Syrjala struct usb_device *udev = to_usb_device(dev); 663d329e33cSVille Syrjala struct usb_interface *intf = usb_ifnum_to_if(udev, 0); 664d329e33cSVille Syrjala struct ati_remote2 *ar2 = usb_get_intfdata(intf); 665d329e33cSVille Syrjala 666d329e33cSVille Syrjala return sprintf(buf, "0x%04x\n", ar2->channel_mask); 667d329e33cSVille Syrjala } 668d329e33cSVille Syrjala 669d329e33cSVille Syrjala static ssize_t ati_remote2_store_channel_mask(struct device *dev, 670d329e33cSVille Syrjala struct device_attribute *attr, 671d329e33cSVille Syrjala const char *buf, size_t count) 672d329e33cSVille Syrjala { 673d329e33cSVille Syrjala struct usb_device *udev = to_usb_device(dev); 674d329e33cSVille Syrjala struct usb_interface *intf = usb_ifnum_to_if(udev, 0); 675d329e33cSVille Syrjala struct ati_remote2 *ar2 = usb_get_intfdata(intf); 676d329e33cSVille Syrjala unsigned long mask; 677d329e33cSVille Syrjala int r; 678d329e33cSVille Syrjala 679d329e33cSVille Syrjala if (strict_strtoul(buf, 0, &mask)) 680d329e33cSVille Syrjala return -EINVAL; 681d329e33cSVille Syrjala 682d329e33cSVille Syrjala if (mask & ~ATI_REMOTE2_MAX_CHANNEL_MASK) 683d329e33cSVille Syrjala return -EINVAL; 684d329e33cSVille Syrjala 685d329e33cSVille Syrjala r = usb_autopm_get_interface(ar2->intf[0]); 686d329e33cSVille Syrjala if (r) { 687d329e33cSVille Syrjala dev_err(&ar2->intf[0]->dev, 688d329e33cSVille Syrjala "%s(): usb_autopm_get_interface() = %d\n", __func__, r); 689d329e33cSVille Syrjala return r; 690d329e33cSVille Syrjala } 691d329e33cSVille Syrjala 692d329e33cSVille Syrjala mutex_lock(&ati_remote2_mutex); 693d329e33cSVille Syrjala 694d329e33cSVille Syrjala if (mask != ar2->channel_mask && !ati_remote2_setup(ar2, mask)) 695d329e33cSVille Syrjala ar2->channel_mask = mask; 696d329e33cSVille Syrjala 697d329e33cSVille Syrjala mutex_unlock(&ati_remote2_mutex); 698d329e33cSVille Syrjala 699d329e33cSVille Syrjala usb_autopm_put_interface(ar2->intf[0]); 700d329e33cSVille Syrjala 701d329e33cSVille Syrjala return count; 702d329e33cSVille Syrjala } 703d329e33cSVille Syrjala 704d329e33cSVille Syrjala static ssize_t ati_remote2_show_mode_mask(struct device *dev, 705d329e33cSVille Syrjala struct device_attribute *attr, 706d329e33cSVille Syrjala char *buf) 707d329e33cSVille Syrjala { 708d329e33cSVille Syrjala struct usb_device *udev = to_usb_device(dev); 709d329e33cSVille Syrjala struct usb_interface *intf = usb_ifnum_to_if(udev, 0); 710d329e33cSVille Syrjala struct ati_remote2 *ar2 = usb_get_intfdata(intf); 711d329e33cSVille Syrjala 712d329e33cSVille Syrjala return sprintf(buf, "0x%02x\n", ar2->mode_mask); 713d329e33cSVille Syrjala } 714d329e33cSVille Syrjala 715d329e33cSVille Syrjala static ssize_t ati_remote2_store_mode_mask(struct device *dev, 716d329e33cSVille Syrjala struct device_attribute *attr, 717d329e33cSVille Syrjala const char *buf, size_t count) 718d329e33cSVille Syrjala { 719d329e33cSVille Syrjala struct usb_device *udev = to_usb_device(dev); 720d329e33cSVille Syrjala struct usb_interface *intf = usb_ifnum_to_if(udev, 0); 721d329e33cSVille Syrjala struct ati_remote2 *ar2 = usb_get_intfdata(intf); 722d329e33cSVille Syrjala unsigned long mask; 723d329e33cSVille Syrjala 724d329e33cSVille Syrjala if (strict_strtoul(buf, 0, &mask)) 725d329e33cSVille Syrjala return -EINVAL; 726d329e33cSVille Syrjala 727d329e33cSVille Syrjala if (mask & ~ATI_REMOTE2_MAX_MODE_MASK) 728d329e33cSVille Syrjala return -EINVAL; 729d329e33cSVille Syrjala 730d329e33cSVille Syrjala ar2->mode_mask = mask; 731d329e33cSVille Syrjala 732d329e33cSVille Syrjala return count; 733d329e33cSVille Syrjala } 734d329e33cSVille Syrjala 735d329e33cSVille Syrjala static DEVICE_ATTR(channel_mask, 0644, ati_remote2_show_channel_mask, 736d329e33cSVille Syrjala ati_remote2_store_channel_mask); 737d329e33cSVille Syrjala 738d329e33cSVille Syrjala static DEVICE_ATTR(mode_mask, 0644, ati_remote2_show_mode_mask, 739d329e33cSVille Syrjala ati_remote2_store_mode_mask); 740d329e33cSVille Syrjala 741d329e33cSVille Syrjala static struct attribute *ati_remote2_attrs[] = { 742d329e33cSVille Syrjala &dev_attr_channel_mask.attr, 743d329e33cSVille Syrjala &dev_attr_mode_mask.attr, 744d329e33cSVille Syrjala NULL, 745d329e33cSVille Syrjala }; 746d329e33cSVille Syrjala 747d329e33cSVille Syrjala static struct attribute_group ati_remote2_attr_group = { 748d329e33cSVille Syrjala .attrs = ati_remote2_attrs, 749d329e33cSVille Syrjala }; 750d329e33cSVille Syrjala 751ba0acb5eSDmitry Torokhov static int ati_remote2_probe(struct usb_interface *interface, const struct usb_device_id *id) 752ba0acb5eSDmitry Torokhov { 753ba0acb5eSDmitry Torokhov struct usb_device *udev = interface_to_usbdev(interface); 754ba0acb5eSDmitry Torokhov struct usb_host_interface *alt = interface->cur_altsetting; 755ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2; 756ba0acb5eSDmitry Torokhov int r; 757ba0acb5eSDmitry Torokhov 758ba0acb5eSDmitry Torokhov if (alt->desc.bInterfaceNumber) 759ba0acb5eSDmitry Torokhov return -ENODEV; 760ba0acb5eSDmitry Torokhov 761ba0acb5eSDmitry Torokhov ar2 = kzalloc(sizeof (struct ati_remote2), GFP_KERNEL); 762ba0acb5eSDmitry Torokhov if (!ar2) 763ba0acb5eSDmitry Torokhov return -ENOMEM; 764ba0acb5eSDmitry Torokhov 765ba0acb5eSDmitry Torokhov ar2->udev = udev; 766ba0acb5eSDmitry Torokhov 767ba0acb5eSDmitry Torokhov ar2->intf[0] = interface; 768ba0acb5eSDmitry Torokhov ar2->ep[0] = &alt->endpoint[0].desc; 769ba0acb5eSDmitry Torokhov 770ba0acb5eSDmitry Torokhov ar2->intf[1] = usb_ifnum_to_if(udev, 1); 771ba0acb5eSDmitry Torokhov r = usb_driver_claim_interface(&ati_remote2_driver, ar2->intf[1], ar2); 772ba0acb5eSDmitry Torokhov if (r) 773ba0acb5eSDmitry Torokhov goto fail1; 774ba0acb5eSDmitry Torokhov alt = ar2->intf[1]->cur_altsetting; 775ba0acb5eSDmitry Torokhov ar2->ep[1] = &alt->endpoint[0].desc; 776ba0acb5eSDmitry Torokhov 777ba0acb5eSDmitry Torokhov r = ati_remote2_urb_init(ar2); 778ba0acb5eSDmitry Torokhov if (r) 779ba0acb5eSDmitry Torokhov goto fail2; 780ba0acb5eSDmitry Torokhov 7818a49cfa9SVille Syrjala ar2->channel_mask = channel_mask; 7828a49cfa9SVille Syrjala ar2->mode_mask = mode_mask; 783d329e33cSVille Syrjala 784d329e33cSVille Syrjala r = ati_remote2_setup(ar2, ar2->channel_mask); 785ba0acb5eSDmitry Torokhov if (r) 786ba0acb5eSDmitry Torokhov goto fail2; 787ba0acb5eSDmitry Torokhov 788ba0acb5eSDmitry Torokhov usb_make_path(udev, ar2->phys, sizeof(ar2->phys)); 789ba0acb5eSDmitry Torokhov strlcat(ar2->phys, "/input0", sizeof(ar2->phys)); 790ba0acb5eSDmitry Torokhov 791ba0acb5eSDmitry Torokhov strlcat(ar2->name, "ATI Remote Wonder II", sizeof(ar2->name)); 792ba0acb5eSDmitry Torokhov 793d329e33cSVille Syrjala r = sysfs_create_group(&udev->dev.kobj, &ati_remote2_attr_group); 794ba0acb5eSDmitry Torokhov if (r) 795ba0acb5eSDmitry Torokhov goto fail2; 796ba0acb5eSDmitry Torokhov 797d329e33cSVille Syrjala r = ati_remote2_input_init(ar2); 798d329e33cSVille Syrjala if (r) 799d329e33cSVille Syrjala goto fail3; 800d329e33cSVille Syrjala 801ba0acb5eSDmitry Torokhov usb_set_intfdata(interface, ar2); 802ba0acb5eSDmitry Torokhov 803d6505ab9SVille Syrjala interface->needs_remote_wakeup = 1; 804d6505ab9SVille Syrjala 805ba0acb5eSDmitry Torokhov return 0; 806ba0acb5eSDmitry Torokhov 807d329e33cSVille Syrjala fail3: 808d329e33cSVille Syrjala sysfs_remove_group(&udev->dev.kobj, &ati_remote2_attr_group); 809ba0acb5eSDmitry Torokhov fail2: 810ba0acb5eSDmitry Torokhov ati_remote2_urb_cleanup(ar2); 811ba0acb5eSDmitry Torokhov usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]); 812ba0acb5eSDmitry Torokhov fail1: 813ba0acb5eSDmitry Torokhov kfree(ar2); 814ba0acb5eSDmitry Torokhov 815ba0acb5eSDmitry Torokhov return r; 816ba0acb5eSDmitry Torokhov } 817ba0acb5eSDmitry Torokhov 818ba0acb5eSDmitry Torokhov static void ati_remote2_disconnect(struct usb_interface *interface) 819ba0acb5eSDmitry Torokhov { 820ba0acb5eSDmitry Torokhov struct ati_remote2 *ar2; 821ba0acb5eSDmitry Torokhov struct usb_host_interface *alt = interface->cur_altsetting; 822ba0acb5eSDmitry Torokhov 823ba0acb5eSDmitry Torokhov if (alt->desc.bInterfaceNumber) 824ba0acb5eSDmitry Torokhov return; 825ba0acb5eSDmitry Torokhov 826ba0acb5eSDmitry Torokhov ar2 = usb_get_intfdata(interface); 827ba0acb5eSDmitry Torokhov usb_set_intfdata(interface, NULL); 828ba0acb5eSDmitry Torokhov 829ba0acb5eSDmitry Torokhov input_unregister_device(ar2->idev); 830ba0acb5eSDmitry Torokhov 831d329e33cSVille Syrjala sysfs_remove_group(&ar2->udev->dev.kobj, &ati_remote2_attr_group); 832d329e33cSVille Syrjala 833ba0acb5eSDmitry Torokhov ati_remote2_urb_cleanup(ar2); 834ba0acb5eSDmitry Torokhov 835ba0acb5eSDmitry Torokhov usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]); 836ba0acb5eSDmitry Torokhov 837ba0acb5eSDmitry Torokhov kfree(ar2); 838ba0acb5eSDmitry Torokhov } 839ba0acb5eSDmitry Torokhov 840d6505ab9SVille Syrjala static int ati_remote2_suspend(struct usb_interface *interface, 841d6505ab9SVille Syrjala pm_message_t message) 842d6505ab9SVille Syrjala { 843d6505ab9SVille Syrjala struct ati_remote2 *ar2; 844d6505ab9SVille Syrjala struct usb_host_interface *alt = interface->cur_altsetting; 845d6505ab9SVille Syrjala 846d6505ab9SVille Syrjala if (alt->desc.bInterfaceNumber) 847d6505ab9SVille Syrjala return 0; 848d6505ab9SVille Syrjala 849d6505ab9SVille Syrjala ar2 = usb_get_intfdata(interface); 850d6505ab9SVille Syrjala 851d6505ab9SVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 852d6505ab9SVille Syrjala 853d6505ab9SVille Syrjala mutex_lock(&ati_remote2_mutex); 854d6505ab9SVille Syrjala 855d6505ab9SVille Syrjala if (ar2->flags & ATI_REMOTE2_OPENED) 856d6505ab9SVille Syrjala ati_remote2_kill_urbs(ar2); 857d6505ab9SVille Syrjala 858d6505ab9SVille Syrjala ar2->flags |= ATI_REMOTE2_SUSPENDED; 859d6505ab9SVille Syrjala 860d6505ab9SVille Syrjala mutex_unlock(&ati_remote2_mutex); 861d6505ab9SVille Syrjala 862d6505ab9SVille Syrjala return 0; 863d6505ab9SVille Syrjala } 864d6505ab9SVille Syrjala 865d6505ab9SVille Syrjala static int ati_remote2_resume(struct usb_interface *interface) 866d6505ab9SVille Syrjala { 867d6505ab9SVille Syrjala struct ati_remote2 *ar2; 868d6505ab9SVille Syrjala struct usb_host_interface *alt = interface->cur_altsetting; 869d6505ab9SVille Syrjala int r = 0; 870d6505ab9SVille Syrjala 871d6505ab9SVille Syrjala if (alt->desc.bInterfaceNumber) 872d6505ab9SVille Syrjala return 0; 873d6505ab9SVille Syrjala 874d6505ab9SVille Syrjala ar2 = usb_get_intfdata(interface); 875d6505ab9SVille Syrjala 876d6505ab9SVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 877d6505ab9SVille Syrjala 878d6505ab9SVille Syrjala mutex_lock(&ati_remote2_mutex); 879d6505ab9SVille Syrjala 880d6505ab9SVille Syrjala if (ar2->flags & ATI_REMOTE2_OPENED) 881d6505ab9SVille Syrjala r = ati_remote2_submit_urbs(ar2); 882d6505ab9SVille Syrjala 883d6505ab9SVille Syrjala if (!r) 884d6505ab9SVille Syrjala ar2->flags &= ~ATI_REMOTE2_SUSPENDED; 885d6505ab9SVille Syrjala 886d6505ab9SVille Syrjala mutex_unlock(&ati_remote2_mutex); 887d6505ab9SVille Syrjala 888d6505ab9SVille Syrjala return r; 889d6505ab9SVille Syrjala } 890d6505ab9SVille Syrjala 891169bc1efSVille Syrjala static int ati_remote2_reset_resume(struct usb_interface *interface) 892169bc1efSVille Syrjala { 893169bc1efSVille Syrjala struct ati_remote2 *ar2; 894169bc1efSVille Syrjala struct usb_host_interface *alt = interface->cur_altsetting; 895169bc1efSVille Syrjala int r = 0; 896169bc1efSVille Syrjala 897169bc1efSVille Syrjala if (alt->desc.bInterfaceNumber) 898169bc1efSVille Syrjala return 0; 899169bc1efSVille Syrjala 900169bc1efSVille Syrjala ar2 = usb_get_intfdata(interface); 901169bc1efSVille Syrjala 902169bc1efSVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 903169bc1efSVille Syrjala 904169bc1efSVille Syrjala mutex_lock(&ati_remote2_mutex); 905169bc1efSVille Syrjala 906d329e33cSVille Syrjala r = ati_remote2_setup(ar2, ar2->channel_mask); 907169bc1efSVille Syrjala if (r) 908169bc1efSVille Syrjala goto out; 909169bc1efSVille Syrjala 910169bc1efSVille Syrjala if (ar2->flags & ATI_REMOTE2_OPENED) 911169bc1efSVille Syrjala r = ati_remote2_submit_urbs(ar2); 912169bc1efSVille Syrjala 913169bc1efSVille Syrjala if (!r) 914169bc1efSVille Syrjala ar2->flags &= ~ATI_REMOTE2_SUSPENDED; 915169bc1efSVille Syrjala 916169bc1efSVille Syrjala out: 917169bc1efSVille Syrjala mutex_unlock(&ati_remote2_mutex); 918169bc1efSVille Syrjala 919169bc1efSVille Syrjala return r; 920169bc1efSVille Syrjala } 921169bc1efSVille Syrjala 922169bc1efSVille Syrjala static int ati_remote2_pre_reset(struct usb_interface *interface) 923169bc1efSVille Syrjala { 924169bc1efSVille Syrjala struct ati_remote2 *ar2; 925169bc1efSVille Syrjala struct usb_host_interface *alt = interface->cur_altsetting; 926169bc1efSVille Syrjala 927169bc1efSVille Syrjala if (alt->desc.bInterfaceNumber) 928169bc1efSVille Syrjala return 0; 929169bc1efSVille Syrjala 930169bc1efSVille Syrjala ar2 = usb_get_intfdata(interface); 931169bc1efSVille Syrjala 932169bc1efSVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 933169bc1efSVille Syrjala 934169bc1efSVille Syrjala mutex_lock(&ati_remote2_mutex); 935169bc1efSVille Syrjala 936169bc1efSVille Syrjala if (ar2->flags == ATI_REMOTE2_OPENED) 937169bc1efSVille Syrjala ati_remote2_kill_urbs(ar2); 938169bc1efSVille Syrjala 939169bc1efSVille Syrjala return 0; 940169bc1efSVille Syrjala } 941169bc1efSVille Syrjala 942169bc1efSVille Syrjala static int ati_remote2_post_reset(struct usb_interface *interface) 943169bc1efSVille Syrjala { 944169bc1efSVille Syrjala struct ati_remote2 *ar2; 945169bc1efSVille Syrjala struct usb_host_interface *alt = interface->cur_altsetting; 946169bc1efSVille Syrjala int r = 0; 947169bc1efSVille Syrjala 948169bc1efSVille Syrjala if (alt->desc.bInterfaceNumber) 949169bc1efSVille Syrjala return 0; 950169bc1efSVille Syrjala 951169bc1efSVille Syrjala ar2 = usb_get_intfdata(interface); 952169bc1efSVille Syrjala 953169bc1efSVille Syrjala dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); 954169bc1efSVille Syrjala 955169bc1efSVille Syrjala if (ar2->flags == ATI_REMOTE2_OPENED) 956169bc1efSVille Syrjala r = ati_remote2_submit_urbs(ar2); 957169bc1efSVille Syrjala 958169bc1efSVille Syrjala mutex_unlock(&ati_remote2_mutex); 959169bc1efSVille Syrjala 960169bc1efSVille Syrjala return r; 961169bc1efSVille Syrjala } 962169bc1efSVille Syrjala 963ba0acb5eSDmitry Torokhov static int __init ati_remote2_init(void) 964ba0acb5eSDmitry Torokhov { 965ba0acb5eSDmitry Torokhov int r; 966ba0acb5eSDmitry Torokhov 967ba0acb5eSDmitry Torokhov r = usb_register(&ati_remote2_driver); 968ba0acb5eSDmitry Torokhov if (r) 969ba0acb5eSDmitry Torokhov printk(KERN_ERR "ati_remote2: usb_register() = %d\n", r); 970ba0acb5eSDmitry Torokhov else 971ba0acb5eSDmitry Torokhov printk(KERN_INFO "ati_remote2: " DRIVER_DESC " " DRIVER_VERSION "\n"); 972ba0acb5eSDmitry Torokhov 973ba0acb5eSDmitry Torokhov return r; 974ba0acb5eSDmitry Torokhov } 975ba0acb5eSDmitry Torokhov 976ba0acb5eSDmitry Torokhov static void __exit ati_remote2_exit(void) 977ba0acb5eSDmitry Torokhov { 978ba0acb5eSDmitry Torokhov usb_deregister(&ati_remote2_driver); 979ba0acb5eSDmitry Torokhov } 980ba0acb5eSDmitry Torokhov 981ba0acb5eSDmitry Torokhov module_init(ati_remote2_init); 982ba0acb5eSDmitry Torokhov module_exit(ati_remote2_exit); 983