440 lines
14 KiB
C
440 lines
14 KiB
C
/*
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* WINE Platform native bus driver
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*
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* Copyright 2016 Aric Stewart
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#define NONAMELESSUNION
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "windef.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "winternl.h"
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#include "winreg.h"
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#include "setupapi.h"
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#include "winioctl.h"
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#include "ddk/wdm.h"
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#include "ddk/hidport.h"
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#include "wine/debug.h"
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#include "wine/unicode.h"
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#include "wine/list.h"
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#include "bus.h"
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WINE_DEFAULT_DEBUG_CHANNEL(plugplay);
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struct pnp_device
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{
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struct list entry;
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DEVICE_OBJECT *device;
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};
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struct device_extension
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{
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struct pnp_device *pnp_device;
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WORD vid, pid;
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DWORD uid, version, index;
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BOOL is_gamepad;
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WCHAR *serial;
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const WCHAR *busid; /* Expected to be a static constant */
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const platform_vtbl *vtbl;
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BYTE platform_private[1];
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};
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static CRITICAL_SECTION device_list_cs;
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static CRITICAL_SECTION_DEBUG critsect_debug =
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{
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0, 0, &device_list_cs,
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{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
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0, 0, { (DWORD_PTR)(__FILE__ ": device_list_cs") }
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};
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static CRITICAL_SECTION device_list_cs = { &critsect_debug, -1, 0, 0, 0, 0 };
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static struct list pnp_devset = LIST_INIT(pnp_devset);
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static const WCHAR zero_serialW[]= {'0','0','0','0',0};
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static const WCHAR imW[] = {'I','M',0};
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static const WCHAR igW[] = {'I','G',0};
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static inline WCHAR *strdupW(const WCHAR *src)
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{
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WCHAR *dst;
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if (!src) return NULL;
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dst = HeapAlloc(GetProcessHeap(), 0, (strlenW(src) + 1)*sizeof(WCHAR));
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if (dst) strcpyW(dst, src);
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return dst;
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}
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void *get_platform_private(DEVICE_OBJECT *device)
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{
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struct device_extension *ext = (struct device_extension *)device->DeviceExtension;
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return ext->platform_private;
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}
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static DWORD get_vidpid_index(WORD vid, WORD pid)
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{
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struct pnp_device *ptr;
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DWORD index = 1;
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LIST_FOR_EACH_ENTRY(ptr, &pnp_devset, struct pnp_device, entry)
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{
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struct device_extension *ext = (struct device_extension *)ptr->device->DeviceExtension;
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if (ext->vid == vid && ext->pid == pid)
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index = max(ext->index + 1, index);
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}
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return index;
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}
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static WCHAR *get_instance_id(DEVICE_OBJECT *device)
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{
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static const WCHAR formatW[] = {'%','s','\\','V','i','d','_','%','0','4','x','&', 'P','i','d','_','%','0','4','x','&',
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'%','s','_','%','i','\\','%','i','&','%','s','&','%','x',0};
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struct device_extension *ext = (struct device_extension *)device->DeviceExtension;
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const WCHAR *serial = ext->serial ? ext->serial : zero_serialW;
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DWORD len = strlenW(ext->busid) + strlenW(serial) + 64;
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WCHAR *dst;
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if ((dst = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR))))
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sprintfW(dst, formatW, ext->busid, ext->vid, ext->pid, ext->is_gamepad ? igW : imW,
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ext->index, ext->version, serial, ext->uid);
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return dst;
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}
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static WCHAR *get_device_id(DEVICE_OBJECT *device)
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{
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static const WCHAR formatW[] = {'%','s','\\','V','i','d','_','%','0','4','x','&','P','i','d','_','%','0','4','x',0};
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struct device_extension *ext = (struct device_extension *)device->DeviceExtension;
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DWORD len = strlenW(ext->busid) + 19;
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WCHAR *dst;
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if ((dst = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR))))
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sprintfW(dst, formatW, ext->busid, ext->vid, ext->pid);
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return dst;
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}
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static WCHAR *get_compatible_ids(DEVICE_OBJECT *device)
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{
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struct device_extension *ext = (struct device_extension *)device->DeviceExtension;
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WCHAR *iid, *did, *dst, *ptr;
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DWORD len;
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if (!(iid = get_instance_id(device)))
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return NULL;
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if (!(did = get_device_id(device)))
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{
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HeapFree(GetProcessHeap(), 0, iid);
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return NULL;
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}
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len = strlenW(iid) + strlenW(did) + strlenW(ext->busid) + 4;
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if ((dst = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR))))
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{
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ptr = dst;
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strcpyW(ptr, iid);
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ptr += strlenW(iid) + 1;
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strcpyW(ptr, did);
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ptr += strlenW(did) + 1;
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strcpyW(ptr, ext->busid);
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ptr += strlenW(ext->busid) + 1;
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*ptr = 0;
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}
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HeapFree(GetProcessHeap(), 0, iid);
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HeapFree(GetProcessHeap(), 0, did);
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return dst;
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}
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DEVICE_OBJECT *bus_create_hid_device(DRIVER_OBJECT *driver, const WCHAR *busidW, WORD vid, WORD pid,
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DWORD version, DWORD uid, const WCHAR *serialW, BOOL is_gamepad,
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const GUID *class, const platform_vtbl *vtbl, DWORD platform_data_size)
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{
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static const WCHAR device_name_fmtW[] = {'\\','D','e','v','i','c','e','\\','%','s','#','%','p',0};
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struct device_extension *ext;
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struct pnp_device *pnp_dev;
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DEVICE_OBJECT *device;
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UNICODE_STRING nameW;
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WCHAR dev_name[256];
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HDEVINFO devinfo;
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NTSTATUS status;
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DWORD length;
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TRACE("(%p, %s, %04x, %04x, %u, %u, %s, %u, %s, %p, %u)\n", driver, debugstr_w(busidW), vid, pid,
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version, uid, debugstr_w(serialW), is_gamepad, debugstr_guid(class), vtbl, platform_data_size);
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if (!(pnp_dev = HeapAlloc(GetProcessHeap(), 0, sizeof(*pnp_dev))))
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return NULL;
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sprintfW(dev_name, device_name_fmtW, busidW, pnp_dev);
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RtlInitUnicodeString(&nameW, dev_name);
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length = FIELD_OFFSET(struct device_extension, platform_private[platform_data_size]);
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status = IoCreateDevice(driver, length, &nameW, 0, 0, FALSE, &device);
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if (status)
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{
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FIXME("failed to create device error %x\n", status);
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HeapFree(GetProcessHeap(), 0, pnp_dev);
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return NULL;
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}
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EnterCriticalSection(&device_list_cs);
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/* fill out device_extension struct */
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ext = (struct device_extension *)device->DeviceExtension;
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ext->pnp_device = pnp_dev;
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ext->vid = vid;
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ext->pid = pid;
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ext->uid = uid;
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ext->version = version;
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ext->index = get_vidpid_index(vid, pid);
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ext->is_gamepad = is_gamepad;
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ext->serial = strdupW(serialW);
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ext->busid = busidW;
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ext->vtbl = vtbl;
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/* add to list of pnp devices */
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pnp_dev->device = device;
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list_add_tail(&pnp_devset, &pnp_dev->entry);
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LeaveCriticalSection(&device_list_cs);
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devinfo = SetupDiGetClassDevsW(class, NULL, NULL, DIGCF_DEVICEINTERFACE);
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if (devinfo)
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{
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SP_DEVINFO_DATA data;
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WCHAR *instance;
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data.cbSize = sizeof(data);
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if (!(instance = get_instance_id(device)))
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ERR("failed to generate instance id\n");
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else if (!SetupDiCreateDeviceInfoW(devinfo, instance, class, NULL, NULL, DICD_INHERIT_CLASSDRVS, &data))
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ERR("failed to create device info: %x\n", GetLastError());
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else if (!SetupDiRegisterDeviceInfo(devinfo, &data, 0, NULL, NULL, NULL))
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ERR("failed to register device info: %x\n", GetLastError());
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HeapFree(GetProcessHeap(), 0, instance);
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SetupDiDestroyDeviceInfoList(devinfo);
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}
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else
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ERR("failed to get ClassDevs: %x\n", GetLastError());
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return device;
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}
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DEVICE_OBJECT *bus_find_hid_device(const platform_vtbl *vtbl, void *platform_dev)
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{
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struct pnp_device *dev;
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DEVICE_OBJECT *ret = NULL;
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TRACE("(%p, %p)\n", vtbl, platform_dev);
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EnterCriticalSection(&device_list_cs);
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LIST_FOR_EACH_ENTRY(dev, &pnp_devset, struct pnp_device, entry)
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{
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struct device_extension *ext = (struct device_extension *)dev->device->DeviceExtension;
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if (ext->vtbl != vtbl) continue;
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if (ext->vtbl->compare_platform_device(dev->device, platform_dev) == 0)
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{
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ret = dev->device;
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break;
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}
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}
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LeaveCriticalSection(&device_list_cs);
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TRACE("returning %p\n", ret);
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return ret;
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}
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void bus_remove_hid_device(DEVICE_OBJECT *device)
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{
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struct device_extension *ext = (struct device_extension *)device->DeviceExtension;
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struct pnp_device *pnp_device = ext->pnp_device;
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TRACE("(%p)\n", device);
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EnterCriticalSection(&device_list_cs);
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list_remove(&pnp_device->entry);
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LeaveCriticalSection(&device_list_cs);
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IoInvalidateDeviceRelations(device, RemovalRelations);
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HeapFree(GetProcessHeap(), 0, ext->serial);
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IoDeleteDevice(device);
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/* pnp_device must be released after the device is gone */
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HeapFree(GetProcessHeap(), 0, pnp_device);
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}
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static NTSTATUS handle_IRP_MN_QUERY_ID(DEVICE_OBJECT *device, IRP *irp)
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{
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NTSTATUS status = irp->IoStatus.u.Status;
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IO_STACK_LOCATION *irpsp = IoGetCurrentIrpStackLocation( irp );
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BUS_QUERY_ID_TYPE type = irpsp->Parameters.QueryId.IdType;
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TRACE("(%p, %p)\n", device, irp);
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switch (type)
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{
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case BusQueryHardwareIDs:
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TRACE("BusQueryHardwareIDs\n");
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irp->IoStatus.Information = (ULONG_PTR)get_compatible_ids(device);
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break;
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case BusQueryCompatibleIDs:
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TRACE("BusQueryCompatibleIDs\n");
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irp->IoStatus.Information = (ULONG_PTR)get_compatible_ids(device);
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break;
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case BusQueryDeviceID:
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TRACE("BusQueryDeviceID\n");
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irp->IoStatus.Information = (ULONG_PTR)get_device_id(device);
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break;
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case BusQueryInstanceID:
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TRACE("BusQueryInstanceID\n");
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irp->IoStatus.Information = (ULONG_PTR)get_instance_id(device);
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break;
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default:
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FIXME("Unhandled type %08x\n", type);
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return status;
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}
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status = irp->IoStatus.Information ? STATUS_SUCCESS : STATUS_NO_MEMORY;
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return status;
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}
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NTSTATUS WINAPI common_pnp_dispatch(DEVICE_OBJECT *device, IRP *irp)
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{
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NTSTATUS status = irp->IoStatus.u.Status;
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IO_STACK_LOCATION *irpsp = IoGetCurrentIrpStackLocation(irp);
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switch (irpsp->MinorFunction)
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{
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case IRP_MN_QUERY_DEVICE_RELATIONS:
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TRACE("IRP_MN_QUERY_DEVICE_RELATIONS\n");
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break;
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case IRP_MN_QUERY_ID:
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TRACE("IRP_MN_QUERY_ID\n");
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status = handle_IRP_MN_QUERY_ID(device, irp);
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irp->IoStatus.u.Status = status;
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break;
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case IRP_MN_QUERY_CAPABILITIES:
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TRACE("IRP_MN_QUERY_CAPABILITIES\n");
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break;
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default:
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FIXME("Unhandled function %08x\n", irpsp->MinorFunction);
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break;
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}
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IoCompleteRequest(irp, IO_NO_INCREMENT);
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return status;
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}
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NTSTATUS WINAPI hid_internal_dispatch(DEVICE_OBJECT *device, IRP *irp)
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{
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NTSTATUS status = irp->IoStatus.u.Status;
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IO_STACK_LOCATION *irpsp = IoGetCurrentIrpStackLocation(irp);
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struct device_extension *ext = (struct device_extension *)device->DeviceExtension;
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TRACE("(%p, %p)\n", device, irp);
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switch (irpsp->Parameters.DeviceIoControl.IoControlCode)
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{
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case IOCTL_HID_GET_DEVICE_ATTRIBUTES:
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{
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HID_DEVICE_ATTRIBUTES *attr = (HID_DEVICE_ATTRIBUTES *)irp->UserBuffer;
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TRACE("IOCTL_HID_GET_DEVICE_ATTRIBUTES\n");
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if (irpsp->Parameters.DeviceIoControl.OutputBufferLength < sizeof(*attr))
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{
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irp->IoStatus.u.Status = status = STATUS_BUFFER_TOO_SMALL;
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break;
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}
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memset(attr, 0, sizeof(*attr));
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attr->Size = sizeof(*attr);
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attr->VendorID = ext->vid;
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attr->ProductID = ext->pid;
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attr->VersionNumber = ext->version;
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irp->IoStatus.u.Status = status = STATUS_SUCCESS;
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irp->IoStatus.Information = sizeof(*attr);
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break;
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}
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case IOCTL_HID_GET_DEVICE_DESCRIPTOR:
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{
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HID_DESCRIPTOR *descriptor = (HID_DESCRIPTOR *)irp->UserBuffer;
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DWORD length;
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TRACE("IOCTL_HID_GET_DEVICE_DESCRIPTOR\n");
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if (irpsp->Parameters.DeviceIoControl.OutputBufferLength < sizeof(*descriptor))
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{
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irp->IoStatus.u.Status = status = STATUS_BUFFER_TOO_SMALL;
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break;
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}
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status = ext->vtbl->get_reportdescriptor(device, NULL, 0, &length);
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if (status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
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{
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WARN("Failed to get platform report descriptor length\n");
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irp->IoStatus.u.Status = status;
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break;
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}
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memset(descriptor, 0, sizeof(*descriptor));
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descriptor->bLength = sizeof(*descriptor);
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descriptor->bDescriptorType = HID_HID_DESCRIPTOR_TYPE;
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descriptor->bcdHID = HID_REVISION;
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descriptor->bCountry = 0;
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descriptor->bNumDescriptors = 1;
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descriptor->DescriptorList[0].bReportType = HID_REPORT_DESCRIPTOR_TYPE;
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descriptor->DescriptorList[0].wReportLength = length;
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irp->IoStatus.u.Status = status = STATUS_SUCCESS;
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irp->IoStatus.Information = sizeof(*descriptor);
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break;
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}
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default:
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{
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ULONG code = irpsp->Parameters.DeviceIoControl.IoControlCode;
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FIXME("Unsupported ioctl %x (device=%x access=%x func=%x method=%x)\n",
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code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
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break;
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}
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}
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IoCompleteRequest(irp, IO_NO_INCREMENT);
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return status;
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}
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NTSTATUS WINAPI DriverEntry( DRIVER_OBJECT *driver, UNICODE_STRING *path )
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{
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static const WCHAR udevW[] = {'\\','D','r','i','v','e','r','\\','U','D','E','V',0};
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static UNICODE_STRING udev = {sizeof(udevW) - sizeof(WCHAR), sizeof(udevW), (WCHAR *)udevW};
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TRACE( "(%p, %s)\n", driver, debugstr_w(path->Buffer) );
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IoCreateDriver(&udev, udev_driver_init);
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return STATUS_SUCCESS;
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}
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