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i915_module.c revision 1.2.4.2 
      1 /*	$NetBSD: i915_module.c,v 1.2.4.2 2014/05/18 17:46:00 rmind Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2013 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: i915_module.c,v 1.2.4.2 2014/05/18 17:46:00 rmind Exp $");
     34 
     35 #include <sys/types.h>
     36 #include <sys/module.h>
     37 #include <sys/systm.h>
     38 
     39 #include <drm/drmP.h>
     40 
     41 #include "i915_drv.h"
     42 
     43 MODULE(MODULE_CLASS_DRIVER, i915drmkms, "drmkms,drmkms_pci"); /* XXX drmkms_i2c */
     44 
     45 #ifdef _MODULE
     46 #include "ioconf.c"
     47 #endif
     48 
     49 /* XXX Kludge.  */
     50 extern struct drm_driver *const i915_drm_driver;
     51 
     52 static int
     53 i915drmkms_modcmd(modcmd_t cmd, void *arg __unused)
     54 {
     55 	int error;
     56 
     57 	switch (cmd) {
     58 	case MODULE_CMD_INIT:
     59 		/* XXX Kludge it up...  Must happen before attachment.  */
     60 		i915_drm_driver->num_ioctls = i915_max_ioctl;
     61 		i915_drm_driver->driver_features |= DRIVER_MODESET;
     62 
     63 		error = drm_pci_init(i915_drm_driver, NULL);
     64 		if (error) {
     65 			aprint_error("i915drmkms: failed to init pci: %d\n",
     66 			    error);
     67 			return error;
     68 		}
     69 #ifdef _MODULE
     70 		error = config_init_component(cfdriver_ioconf_i915drmkms,
     71 		    cfattach_ioconf_i915drmkms, cfdata_ioconf_i915drmkms);
     72 		if (error) {
     73 			aprint_error("i915drmkms: failed to init component"
     74 			    ": %d\n", error);
     75 			drm_pci_exit(i915_drm_driver, NULL);
     76 			return error;
     77 		}
     78 #endif
     79 		return 0;
     80 
     81 	case MODULE_CMD_FINI:
     82 #ifdef _MODULE
     83 		error = config_fini_component(cfdriver_ioconf_i915drmkms,
     84 		    cfattach_ioconf_i915drmkms, cfdata_ioconf_i915drmkms);
     85 		if (error) {
     86 			aprint_error("i915drmkms: failed to fini component"
     87 			    ": %d\n", error);
     88 			return error;
     89 		}
     90 #endif
     91 		drm_pci_exit(i915_drm_driver, NULL);
     92 		return 0;
     93 
     94 	default:
     95 		return ENOTTY;
     96 	}
     97 }
     98