1 /* $NetBSD: vbox_drv.c,v 1.2 2011/08/28 17:18:31 jmcneill Exp $ */ 2 3 /* 4 * Copyright (c) 2011 Jared D. McNeill <jmcneill@invisible.ca> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 20 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 22 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #include <sys/cdefs.h> 29 __KERNEL_RCSID(0, "$NetBSD: vbox_drv.c,v 1.2 2011/08/28 17:18:31 jmcneill Exp $"); 30 31 #include "drmP.h" 32 #include "drm.h" 33 34 static drm_pci_id_list_t vboxdrm_pciidlist[] = { 35 { 0x80ee, 0xbeef, 0, "VirtualBox Video" }, 36 { 0, 0, 0, NULL }, 37 }; 38 39 static int 40 vboxdrm_driver_load(struct drm_device *dev, unsigned long flags) 41 { 42 return drm_vblank_init(dev, 1); 43 } 44 45 static void 46 vboxdrm_configure(struct drm_device *dev) 47 { 48 dev->driver->buf_priv_size = 1; 49 dev->driver->load = vboxdrm_driver_load; 50 dev->driver->name = "vbox"; 51 dev->driver->desc = "VirtualBox Video"; 52 dev->driver->date = "20110130"; 53 dev->driver->major = 1; 54 dev->driver->minor = 0; 55 dev->driver->patchlevel = 0; 56 } 57 58 static int 59 vboxdrm_match(device_t parent, cfdata_t match, void *opaque) 60 { 61 struct pci_attach_args *pa = opaque; 62 63 return drm_probe(pa, vboxdrm_pciidlist); 64 } 65 66 static void 67 vboxdrm_attach(device_t parent, device_t self, void *opaque) 68 { 69 struct pci_attach_args *pa = opaque; 70 struct drm_device *dev = device_private(self); 71 72 pmf_device_register(self, NULL, NULL); 73 74 dev->driver = kmem_zalloc(sizeof(struct drm_driver_info), KM_SLEEP); 75 if (dev->driver == NULL) { 76 aprint_error_dev(self, "couldn't allocate memory\n"); 77 return; 78 } 79 80 vboxdrm_configure(dev); 81 drm_attach(self, pa, vboxdrm_pciidlist); 82 } 83 84 static int 85 vboxdrm_detach(device_t self, int flags) 86 { 87 struct drm_device *dev = device_private(self); 88 int error; 89 90 pmf_device_deregister(self); 91 92 error = drm_detach(self, flags); 93 kmem_free(dev->driver, sizeof(struct drm_driver_info)); 94 95 return error; 96 } 97 98 CFATTACH_DECL_NEW( 99 vboxdrm, 100 sizeof(struct drm_device), 101 vboxdrm_match, 102 vboxdrm_attach, 103 vboxdrm_detach, 104 NULL 105 ); 106 107 MODULE(MODULE_CLASS_DRIVER, vboxdrm, "drm"); 108 109 #ifdef _MODULE 110 #include "ioconf.c" 111 #endif 112 113 static int 114 vboxdrm_modcmd(modcmd_t cmd, void *opaque) 115 { 116 switch (cmd) { 117 #ifdef _MODULE 118 case MODULE_CMD_INIT: 119 return config_init_component(cfdriver_ioconf_vboxdrm, 120 cfattach_ioconf_vboxdrm, cfdata_ioconf_vboxdrm); 121 case MODULE_CMD_FINI: 122 return config_fini_component(cfdriver_ioconf_vboxdrm, 123 cfattach_ioconf_vboxdrm, cfdata_ioconf_vboxdrm); 124 #else 125 case MODULE_CMD_INIT: 126 case MODULE_CMD_FINI: 127 return 0; 128 #endif 129 default: 130 return ENOTTY; 131 } 132 } 133