16db3dfefSJiri Kosina #ifndef __USBHID_H 26db3dfefSJiri Kosina #define __USBHID_H 36db3dfefSJiri Kosina 46db3dfefSJiri Kosina /* 56db3dfefSJiri Kosina * Copyright (c) 1999 Andreas Gal 66db3dfefSJiri Kosina * Copyright (c) 2000-2001 Vojtech Pavlik 76db3dfefSJiri Kosina * Copyright (c) 2006 Jiri Kosina 86db3dfefSJiri Kosina */ 96db3dfefSJiri Kosina 106db3dfefSJiri Kosina /* 116db3dfefSJiri Kosina * This program is free software; you can redistribute it and/or modify 126db3dfefSJiri Kosina * it under the terms of the GNU General Public License as published by 136db3dfefSJiri Kosina * the Free Software Foundation; either version 2 of the License, or 146db3dfefSJiri Kosina * (at your option) any later version. 156db3dfefSJiri Kosina * 166db3dfefSJiri Kosina * This program is distributed in the hope that it will be useful, 176db3dfefSJiri Kosina * but WITHOUT ANY WARRANTY; without even the implied warranty of 186db3dfefSJiri Kosina * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 196db3dfefSJiri Kosina * GNU General Public License for more details. 206db3dfefSJiri Kosina * 216db3dfefSJiri Kosina * You should have received a copy of the GNU General Public License 226db3dfefSJiri Kosina * along with this program; if not, write to the Free Software 236db3dfefSJiri Kosina * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 246db3dfefSJiri Kosina * 256db3dfefSJiri Kosina */ 266db3dfefSJiri Kosina 276db3dfefSJiri Kosina #include <linux/types.h> 286db3dfefSJiri Kosina #include <linux/slab.h> 296db3dfefSJiri Kosina #include <linux/list.h> 306db3dfefSJiri Kosina #include <linux/timer.h> 311d1bdd20SJiri Slaby #include <linux/wait.h> 326db3dfefSJiri Kosina #include <linux/workqueue.h> 336db3dfefSJiri Kosina #include <linux/input.h> 346db3dfefSJiri Kosina 356db3dfefSJiri Kosina /* API provided by hid-core.c for USB HID drivers */ 366db3dfefSJiri Kosina int usbhid_wait_io(struct hid_device* hid); 376db3dfefSJiri Kosina void usbhid_close(struct hid_device *hid); 386db3dfefSJiri Kosina int usbhid_open(struct hid_device *hid); 396db3dfefSJiri Kosina void usbhid_init_reports(struct hid_device *hid); 406db3dfefSJiri Kosina void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir); 416db3dfefSJiri Kosina 426db3dfefSJiri Kosina /* 436db3dfefSJiri Kosina * USB-specific HID struct, to be pointed to 446db3dfefSJiri Kosina * from struct hid_device->driver_data 456db3dfefSJiri Kosina */ 466db3dfefSJiri Kosina 476db3dfefSJiri Kosina struct usbhid_device { 486db3dfefSJiri Kosina struct hid_device *hid; /* pointer to corresponding HID dev */ 496db3dfefSJiri Kosina 506db3dfefSJiri Kosina struct usb_interface *intf; /* USB interface */ 516db3dfefSJiri Kosina int ifnum; /* USB interface number */ 526db3dfefSJiri Kosina 536db3dfefSJiri Kosina unsigned int bufsize; /* URB buffer size */ 546db3dfefSJiri Kosina 556db3dfefSJiri Kosina struct urb *urbin; /* Input URB */ 566db3dfefSJiri Kosina char *inbuf; /* Input buffer */ 576db3dfefSJiri Kosina dma_addr_t inbuf_dma; /* Input buffer dma */ 586db3dfefSJiri Kosina spinlock_t inlock; /* Input fifo spinlock */ 596db3dfefSJiri Kosina 606db3dfefSJiri Kosina struct urb *urbctrl; /* Control URB */ 616db3dfefSJiri Kosina struct usb_ctrlrequest *cr; /* Control request struct */ 626db3dfefSJiri Kosina dma_addr_t cr_dma; /* Control request struct dma */ 636db3dfefSJiri Kosina struct hid_control_fifo ctrl[HID_CONTROL_FIFO_SIZE]; /* Control fifo */ 646db3dfefSJiri Kosina unsigned char ctrlhead, ctrltail; /* Control fifo head & tail */ 656db3dfefSJiri Kosina char *ctrlbuf; /* Control buffer */ 666db3dfefSJiri Kosina dma_addr_t ctrlbuf_dma; /* Control buffer dma */ 676db3dfefSJiri Kosina spinlock_t ctrllock; /* Control fifo spinlock */ 686db3dfefSJiri Kosina 696db3dfefSJiri Kosina struct urb *urbout; /* Output URB */ 70f129ea6dSAnssi Hannula struct hid_output_fifo out[HID_CONTROL_FIFO_SIZE]; /* Output pipe fifo */ 716db3dfefSJiri Kosina unsigned char outhead, outtail; /* Output pipe fifo head & tail */ 726db3dfefSJiri Kosina char *outbuf; /* Output buffer */ 736db3dfefSJiri Kosina dma_addr_t outbuf_dma; /* Output buffer dma */ 746db3dfefSJiri Kosina spinlock_t outlock; /* Output fifo spinlock */ 756db3dfefSJiri Kosina 766db3dfefSJiri Kosina unsigned long iofl; /* I/O flags (CTRL_RUNNING, OUT_RUNNING) */ 776db3dfefSJiri Kosina struct timer_list io_retry; /* Retry timer */ 786db3dfefSJiri Kosina unsigned long stop_retry; /* Time to give up, in jiffies */ 796db3dfefSJiri Kosina unsigned int retry_delay; /* Delay length in ms */ 806db3dfefSJiri Kosina struct work_struct reset_work; /* Task context for resets */ 811d1bdd20SJiri Slaby wait_queue_head_t wait; /* For sleeping */ 826db3dfefSJiri Kosina }; 836db3dfefSJiri Kosina 846db3dfefSJiri Kosina #define hid_to_usb_dev(hid_dev) \ 8585cdaf52SJiri Slaby container_of(hid_dev->dev.parent->parent, struct usb_device, dev) 866db3dfefSJiri Kosina 876db3dfefSJiri Kosina #endif 886db3dfefSJiri Kosina 89