via_module.c revision 1.1.2.2
1 1.1.2.2 skrll /* $NetBSD: via_module.c,v 1.1.2.2 2015/06/06 14:40:20 skrll Exp $ */ 2 1.1.2.2 skrll 3 1.1.2.2 skrll /*- 4 1.1.2.2 skrll * Copyright (c) 2015 The NetBSD Foundation, Inc. 5 1.1.2.2 skrll * All rights reserved. 6 1.1.2.2 skrll * 7 1.1.2.2 skrll * This code is derived from software contributed to The NetBSD Foundation 8 1.1.2.2 skrll * by Taylor R. Campbell. 9 1.1.2.2 skrll * 10 1.1.2.2 skrll * Redistribution and use in source and binary forms, with or without 11 1.1.2.2 skrll * modification, are permitted provided that the following conditions 12 1.1.2.2 skrll * are met: 13 1.1.2.2 skrll * 1. Redistributions of source code must retain the above copyright 14 1.1.2.2 skrll * notice, this list of conditions and the following disclaimer. 15 1.1.2.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.2.2 skrll * notice, this list of conditions and the following disclaimer in the 17 1.1.2.2 skrll * documentation and/or other materials provided with the distribution. 18 1.1.2.2 skrll * 19 1.1.2.2 skrll * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1.2.2 skrll * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1.2.2 skrll * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1.2.2 skrll * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1.2.2 skrll * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1.2.2 skrll * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1.2.2 skrll * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1.2.2 skrll * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1.2.2 skrll * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1.2.2 skrll * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1.2.2 skrll * POSSIBILITY OF SUCH DAMAGE. 30 1.1.2.2 skrll */ 31 1.1.2.2 skrll 32 1.1.2.2 skrll #include <sys/cdefs.h> 33 1.1.2.2 skrll __KERNEL_RCSID(0, "$NetBSD: via_module.c,v 1.1.2.2 2015/06/06 14:40:20 skrll Exp $"); 34 1.1.2.2 skrll 35 1.1.2.2 skrll #include <sys/types.h> 36 1.1.2.2 skrll #include <sys/module.h> 37 1.1.2.2 skrll #include <sys/once.h> 38 1.1.2.2 skrll 39 1.1.2.2 skrll #include <drm/drmP.h> 40 1.1.2.2 skrll #include <drm/via_drm.h> 41 1.1.2.2 skrll 42 1.1.2.2 skrll #include "via_drv.h" 43 1.1.2.2 skrll 44 1.1.2.2 skrll MODULE(MODULE_CLASS_DRIVER, viadrmums, "drmkms,drmkms_pci"); 45 1.1.2.2 skrll 46 1.1.2.2 skrll #ifdef _MODULE 47 1.1.2.2 skrll #include "ioconf.c" 48 1.1.2.2 skrll #endif 49 1.1.2.2 skrll 50 1.1.2.2 skrll extern struct drm_driver *const via_drm_driver; /* XXX */ 51 1.1.2.2 skrll 52 1.1.2.2 skrll static int 53 1.1.2.2 skrll viadrm_init(void) 54 1.1.2.2 skrll { 55 1.1.2.2 skrll extern int drm_guarantee_initialized(void); 56 1.1.2.2 skrll int error; 57 1.1.2.2 skrll 58 1.1.2.2 skrll via_init_command_verifier(); /* idempotent, no unwind needed */ 59 1.1.2.2 skrll 60 1.1.2.2 skrll error = drm_guarantee_initialized(); 61 1.1.2.2 skrll if (error) 62 1.1.2.2 skrll return error; 63 1.1.2.2 skrll 64 1.1.2.2 skrll error = drm_pci_init(via_drm_driver, NULL); 65 1.1.2.2 skrll if (error) { 66 1.1.2.2 skrll aprint_error("i915drmkms: failed to init pci: %d\n", 67 1.1.2.2 skrll error); 68 1.1.2.2 skrll return error; 69 1.1.2.2 skrll } 70 1.1.2.2 skrll 71 1.1.2.2 skrll return 0; 72 1.1.2.2 skrll } 73 1.1.2.2 skrll 74 1.1.2.2 skrll int viadrm_guarantee_initialized(void); /* XXX */ 75 1.1.2.2 skrll int 76 1.1.2.2 skrll viadrm_guarantee_initialized(void) 77 1.1.2.2 skrll { 78 1.1.2.2 skrll #ifdef _MODULE 79 1.1.2.2 skrll return 0; 80 1.1.2.2 skrll #else 81 1.1.2.2 skrll static ONCE_DECL(viadrm_init_once); 82 1.1.2.2 skrll 83 1.1.2.2 skrll return RUN_ONCE(&viadrm_init_once, &viadrm_init); 84 1.1.2.2 skrll #endif 85 1.1.2.2 skrll } 86 1.1.2.2 skrll 87 1.1.2.2 skrll static void 88 1.1.2.2 skrll viadrm_fini(void) 89 1.1.2.2 skrll { 90 1.1.2.2 skrll 91 1.1.2.2 skrll drm_pci_exit(via_drm_driver, NULL); 92 1.1.2.2 skrll } 93 1.1.2.2 skrll 94 1.1.2.2 skrll static int 95 1.1.2.2 skrll viadrmums_modcmd(modcmd_t cmd, void *arg __unused) 96 1.1.2.2 skrll { 97 1.1.2.2 skrll int error; 98 1.1.2.2 skrll 99 1.1.2.2 skrll switch (cmd) { 100 1.1.2.2 skrll case MODULE_CMD_INIT: 101 1.1.2.2 skrll #ifdef _MODULE 102 1.1.2.2 skrll error = viadrm_init(); 103 1.1.2.2 skrll #else 104 1.1.2.2 skrll error = viadrm_guarantee_initialized(); 105 1.1.2.2 skrll #endif 106 1.1.2.2 skrll if (error) { 107 1.1.2.2 skrll aprint_error("viadrmums: failed to initialize: %d\n", 108 1.1.2.2 skrll error); 109 1.1.2.2 skrll return error; 110 1.1.2.2 skrll } 111 1.1.2.2 skrll #ifdef _MODULE 112 1.1.2.2 skrll error = config_init_component(cfdriver_ioconf_viadrmums, 113 1.1.2.2 skrll cfattach_ioconf_viadrmums, cfdata_ioconf_viadrmums); 114 1.1.2.2 skrll if (error) { 115 1.1.2.2 skrll aprint_error("viadrmums: failed to init component" 116 1.1.2.2 skrll ": %d\n", error); 117 1.1.2.2 skrll viadrm_fini(); 118 1.1.2.2 skrll return error; 119 1.1.2.2 skrll } 120 1.1.2.2 skrll #endif 121 1.1.2.2 skrll return 0; 122 1.1.2.2 skrll 123 1.1.2.2 skrll case MODULE_CMD_FINI: 124 1.1.2.2 skrll #ifdef _MODULE 125 1.1.2.2 skrll error = config_fini_component(cfdriver_ioconf_viadrmums, 126 1.1.2.2 skrll cfattach_ioconf_viadrmums, cfdata_ioconf_viadrmums); 127 1.1.2.2 skrll if (error) { 128 1.1.2.2 skrll aprint_error("viadrmums: failed to fini component" 129 1.1.2.2 skrll ": %d\n", error); 130 1.1.2.2 skrll return error; 131 1.1.2.2 skrll } 132 1.1.2.2 skrll #endif 133 1.1.2.2 skrll viadrm_fini(); 134 1.1.2.2 skrll return 0; 135 1.1.2.2 skrll 136 1.1.2.2 skrll default: 137 1.1.2.2 skrll return ENOTTY; 138 1.1.2.2 skrll } 139 1.1.2.2 skrll } 140
Indexes created Wed Oct 22 00:09:40 GMT 2025