| 1 | /* $NetBSD: nouveau_module.c,v 1.4 2015/10/17 12:02:44 jmcneill Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 2014 The NetBSD Foundation, Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * This code is derived from software contributed to The NetBSD Foundation |
| 8 | * by Taylor R. Campbell. |
| 9 | * |
| 10 | * Redistribution and use in source and binary forms, with or without |
| 11 | * modification, are permitted provided that the following conditions |
| 12 | * are met: |
| 13 | * 1. Redistributions of source code must retain the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer. |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer in the |
| 17 | * documentation and/or other materials provided with the distribution. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 29 | * POSSIBILITY OF SUCH DAMAGE. |
| 30 | */ |
| 31 | |
| 32 | #include <sys/cdefs.h> |
| 33 | __KERNEL_RCSID(0, "$NetBSD: nouveau_module.c,v 1.4 2015/10/17 12:02:44 jmcneill Exp $" ); |
| 34 | |
| 35 | #include <sys/types.h> |
| 36 | #include <sys/module.h> |
| 37 | #include <sys/systm.h> |
| 38 | |
| 39 | #include <drm/drmP.h> |
| 40 | #include <drm/drm_sysctl.h> |
| 41 | |
| 42 | #include <core/object.h> |
| 43 | #include <engine/device.h> |
| 44 | |
| 45 | MODULE(MODULE_CLASS_DRIVER, nouveau, "drmkms" ); /* XXX drmkms_i2c, drmkms_ttm */ |
| 46 | |
| 47 | #ifdef _MODULE |
| 48 | #include "ioconf.c" |
| 49 | #endif |
| 50 | |
| 51 | struct drm_sysctl_def nouveau_def = DRM_SYSCTL_INIT(); |
| 52 | |
| 53 | extern struct drm_driver *const nouveau_drm_driver; /* XXX */ |
| 54 | |
| 55 | static int |
| 56 | nouveau_init(void) |
| 57 | { |
| 58 | nouveau_objects_init(); |
| 59 | nouveau_devices_init(); |
| 60 | drm_sysctl_init(&nouveau_def); |
| 61 | |
| 62 | return 0; |
| 63 | } |
| 64 | |
| 65 | static void |
| 66 | nouveau_fini(void) |
| 67 | { |
| 68 | |
| 69 | drm_sysctl_fini(&nouveau_def); |
| 70 | nouveau_devices_fini(); |
| 71 | nouveau_objects_fini(); |
| 72 | } |
| 73 | |
| 74 | static int |
| 75 | nouveau_modcmd(modcmd_t cmd, void *arg __unused) |
| 76 | { |
| 77 | int error; |
| 78 | |
| 79 | switch (cmd) { |
| 80 | case MODULE_CMD_INIT: |
| 81 | error = nouveau_init(); |
| 82 | if (error) { |
| 83 | aprint_error("nouveau: failed to initialize: %d\n" , |
| 84 | error); |
| 85 | return error; |
| 86 | } |
| 87 | #ifdef _MODULE |
| 88 | error = config_init_component(cfdriver_ioconf_nouveau, |
| 89 | cfattach_ioconf_nouveau, cfdata_ioconf_nouveau); |
| 90 | if (error) { |
| 91 | aprint_error("nouveau: failed to init component" |
| 92 | ": %d\n" , error); |
| 93 | nouveau_fini(); |
| 94 | return error; |
| 95 | } |
| 96 | #endif |
| 97 | return 0; |
| 98 | |
| 99 | case MODULE_CMD_FINI: |
| 100 | #ifdef _MODULE |
| 101 | error = config_fini_component(cfdriver_ioconf_nouveau, |
| 102 | cfattach_ioconf_nouveau, cfdata_ioconf_nouveau); |
| 103 | if (error) { |
| 104 | aprint_error("nouveau: failed to fini component" |
| 105 | ": %d\n" , error); |
| 106 | return error; |
| 107 | } |
| 108 | #endif |
| 109 | nouveau_fini(); |
| 110 | return 0; |
| 111 | |
| 112 | default: |
| 113 | return ENOTTY; |
| 114 | } |
| 115 | } |
| 116 | |