1 /* 2 * USB UHCI controller emulation 3 * 4 * Copyright (c) 2005 Fabrice Bellard 5 * 6 * Copyright (c) 2008 Max Krasnyansky 7 * Magor rewrite of the UHCI data structures parser and frame processor 8 * Support for fully async operation and multiple outstanding transactions 9 * 10 * Permission is hereby granted, free of charge, to any person obtaining a copy 11 * of this software and associated documentation files (the "Software"), to deal 12 * in the Software without restriction, including without limitation the rights 13 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 14 * copies of the Software, and to permit persons to whom the Software is 15 * furnished to do so, subject to the following conditions: 16 * 17 * The above copyright notice and this permission notice shall be included in 18 * all copies or substantial portions of the Software. 19 * 20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 23 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 25 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 26 * THE SOFTWARE. 27 */ 28 #ifndef HW_USB_HCD_UHCI_H 29 #define HW_USB_HCD_UHCI_H 30 31 #include "exec/memory.h" 32 #include "qemu/timer.h" 33 #include "hw/pci/pci.h" 34 #include "hw/usb.h" 35 36 typedef struct UHCIQueue UHCIQueue; 37 38 #define NB_PORTS 2 39 40 typedef struct UHCIPort { 41 USBPort port; 42 uint16_t ctrl; 43 } UHCIPort; 44 45 typedef struct UHCIState { 46 PCIDevice dev; 47 MemoryRegion io_bar; 48 USBBus bus; /* Note unused when we're a companion controller */ 49 uint16_t cmd; /* cmd register */ 50 uint16_t status; 51 uint16_t intr; /* interrupt enable register */ 52 uint16_t frnum; /* frame number */ 53 uint32_t fl_base_addr; /* frame list base address */ 54 uint8_t sof_timing; 55 uint8_t status2; /* bit 0 and 1 are used to generate UHCI_STS_USBINT */ 56 int64_t expire_time; 57 QEMUTimer *frame_timer; 58 QEMUBH *bh; 59 uint32_t frame_bytes; 60 uint32_t frame_bandwidth; 61 bool completions_only; 62 UHCIPort ports[NB_PORTS]; 63 64 /* Interrupts that should be raised at the end of the current frame. */ 65 uint32_t pending_int_mask; 66 67 /* Active packets */ 68 QTAILQ_HEAD(, UHCIQueue) queues; 69 uint8_t num_ports_vmstate; 70 71 /* Properties */ 72 char *masterbus; 73 uint32_t firstport; 74 uint32_t maxframes; 75 } UHCIState; 76 77 #define TYPE_UHCI "pci-uhci-usb" 78 DECLARE_INSTANCE_CHECKER(UHCIState, UHCI, TYPE_UHCI) 79 80 typedef struct UHCIInfo { 81 const char *name; 82 uint16_t vendor_id; 83 uint16_t device_id; 84 uint8_t revision; 85 uint8_t irq_pin; 86 void (*realize)(PCIDevice *dev, Error **errp); 87 bool unplug; 88 } UHCIInfo; 89 90 void uhci_data_class_init(ObjectClass *klass, void *data); 91 void usb_uhci_common_realize(PCIDevice *dev, Error **errp); 92 93 #endif 94