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      1 /* savage_drv.c -- Savage DRI driver
      2  */
      3 /*-
      4  * Copyright 2005 Eric Anholt
      5  * All Rights Reserved.
      6  *
      7  * Permission is hereby granted, free of charge, to any person obtaining a
      8  * copy of this software and associated documentation files (the "Software"),
      9  * to deal in the Software without restriction, including without limitation
     10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     11  * and/or sell copies of the Software, and to permit persons to whom the
     12  * Software is furnished to do so, subject to the following conditions:
     13  *
     14  * The above copyright notice and this permission notice (including the next
     15  * paragraph) shall be included in all copies or substantial portions of the
     16  * Software.
     17  *
     18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     21  * ERIC ANHOLT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
     22  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     23  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     24  *
     25  * Authors:
     26  *    Eric Anholt <anholt (at) FreeBSD.org>
     27  */
     28 
     29 #include "drmP.h"
     30 #include "drm.h"
     31 #include "savage_drm.h"
     32 #include "savage_drv.h"
     33 #include "drm_pciids.h"
     34 
     35 /* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */
     36 static drm_pci_id_list_t savage_pciidlist[] = {
     37 	savage_PCI_IDS
     38 };
     39 
     40 static void savage_configure(struct drm_device *dev)
     41 {
     42 	dev->driver->driver_features =
     43 	    DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA |
     44 	    DRIVER_HAVE_DMA;
     45 
     46 	dev->driver->buf_priv_size	= sizeof(drm_savage_buf_priv_t);
     47 	dev->driver->load		= savage_driver_load;
     48 	dev->driver->firstopen		= savage_driver_firstopen;
     49 	dev->driver->lastclose		= savage_driver_lastclose;
     50 	dev->driver->unload		= savage_driver_unload;
     51 	dev->driver->reclaim_buffers_locked = savage_reclaim_buffers;
     52 	dev->driver->dma_ioctl		= savage_bci_buffers;
     53 
     54 	dev->driver->ioctls		= savage_ioctls;
     55 	dev->driver->max_ioctl		= savage_max_ioctl;
     56 
     57 	dev->driver->name		= DRIVER_NAME;
     58 	dev->driver->desc		= DRIVER_DESC;
     59 	dev->driver->date		= DRIVER_DATE;
     60 	dev->driver->major		= DRIVER_MAJOR;
     61 	dev->driver->minor		= DRIVER_MINOR;
     62 	dev->driver->patchlevel		= DRIVER_PATCHLEVEL;
     63 }
     64 
     65 #if defined(__FreeBSD__)
     66 
     67 static int
     68 savage_probe(device_t kdev)
     69 {
     70 	return drm_probe(kdev, savage_pciidlist);
     71 }
     72 
     73 static int
     74 savage_attach(device_t kdev)
     75 {
     76 	struct drm_device *dev = device_get_softc(kdev);
     77 
     78 	dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
     79 	    M_WAITOK | M_ZERO);
     80 
     81 	savage_configure(dev);
     82 
     83 	return drm_attach(kdev, savage_pciidlist);
     84 }
     85 
     86 static int
     87 savage_detach(device_t kdev)
     88 {
     89 	struct drm_device *dev = device_get_softc(kdev);
     90 	int ret;
     91 
     92 	ret = drm_detach(kdev);
     93 
     94 	free(dev->driver, DRM_MEM_DRIVER);
     95 
     96 	return ret;
     97 }
     98 
     99 static device_method_t savage_methods[] = {
    100 	/* Device interface */
    101 	DEVMETHOD(device_probe,		savage_probe),
    102 	DEVMETHOD(device_attach,	savage_attach),
    103 	DEVMETHOD(device_detach,	savage_detach),
    104 
    105 	{ 0, 0 }
    106 };
    107 
    108 static driver_t savage_driver = {
    109 	"drm",
    110 	savage_methods,
    111 	sizeof(struct drm_device)
    112 };
    113 
    114 extern devclass_t drm_devclass;
    115 #if __FreeBSD_version >= 700010
    116 DRIVER_MODULE(savage, vgapci, savage_driver, drm_devclass, 0, 0);
    117 #else
    118 DRIVER_MODULE(savage, pci, savage_driver, drm_devclass, 0, 0);
    119 #endif
    120 MODULE_DEPEND(savage, drm, 1, 1, 1);
    121 
    122 #elif   defined(__NetBSD__)
    123 
    124 static int
    125 savagedrm_probe(device_t parent, cfdata_t match, void *aux)
    126 {
    127 	struct pci_attach_args *pa = aux;
    128 
    129 	return drm_probe(pa, savage_pciidlist);
    130 }
    131 
    132 static void
    133 savagedrm_attach(device_t parent, device_t self, void *aux)
    134 {
    135 	struct pci_attach_args *pa = aux;
    136 	struct drm_device *dev = device_private(self);
    137 
    138 	dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
    139 	    M_WAITOK | M_ZERO);
    140 
    141 	savage_configure(dev);
    142 
    143 	drm_attach(self, pa, savage_pciidlist);
    144 }
    145 
    146 CFATTACH_DECL_NEW(savagedrm, sizeof(struct drm_device),
    147     savagedrm_probe, savagedrm_attach, drm_detach, NULL);
    148 
    149 MODULE(MODULE_CLASS_DRIVER, savagedrm, "drm");
    150 
    151 #ifdef _MODULE
    152 #include "ioconf.c"
    153 #endif
    154 
    155 static int
    156 savagedrm_modcmd(modcmd_t cmd, void *arg)
    157 {
    158 	int error = 0;
    159 
    160 	switch (cmd) {
    161 	case MODULE_CMD_INIT:
    162 #ifdef _MODULE
    163 		error = config_init_component(cfdriver_ioconf_savagedrm,
    164 		    cfattach_ioconf_savagedrm, cfdata_ioconf_savagedrm);
    165 #endif
    166 		break;
    167 	case MODULE_CMD_FINI:
    168 #ifdef _MODULE
    169 		error = config_fini_component(cfdriver_ioconf_savagedrm,
    170 		    cfattach_ioconf_savagedrm, cfdata_ioconf_savagedrm);
    171 #endif
    172 		break;
    173 	default:
    174 		return ENOTTY;
    175 	}
    176 
    177 	return error;
    178 }
    179 
    180 #endif
    181