1 /* r128_drv.c -- ATI Rage 128 driver -*- linux-c -*-
2  * Created: Mon Dec 13 09:47:27 1999 by faith@precisioninsight.com
3  */
4 /*-
5  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
6  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
7  * All Rights Reserved.
8  *
9  * Permission is hereby granted, free of charge, to any person obtaining a
10  * copy of this software and associated documentation files (the "Software"),
11  * to deal in the Software without restriction, including without limitation
12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13  * and/or sell copies of the Software, and to permit persons to whom the
14  * Software is furnished to do so, subject to the following conditions:
15  *
16  * The above copyright notice and this permission notice (including the next
17  * paragraph) shall be included in all copies or substantial portions of the
18  * Software.
19  *
20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
23  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
24  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
25  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
26  * OTHER DEALINGS IN THE SOFTWARE.
27  *
28  * Authors:
29  *    Rickard E. (Rik) Faith <faith@valinux.com>
30  *    Gareth Hughes <gareth@valinux.com>
31  *
32  */
33 
34 #include "drmP.h"
35 #include "drm.h"
36 #include "r128_drm.h"
37 #include "r128_drv.h"
38 #include "drm_pciids.h"
39 
40 /* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */
41 static drm_pci_id_list_t r128_pciidlist[] = {
42 	r128_PCI_IDS
43 };
44 
45 int r128_driver_load(struct drm_device * dev, unsigned long flags)
46 {
47 	return drm_vblank_init(dev, 1);
48 }
49 
50 static void r128_configure(struct drm_device *dev)
51 {
52 	dev->driver->driver_features =
53 	    DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA |
54 	    DRIVER_SG | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ;
55 
56 	dev->driver->buf_priv_size	= sizeof(drm_r128_buf_priv_t);
57 	dev->driver->load		= r128_driver_load;
58 	dev->driver->preclose		= r128_driver_preclose;
59 	dev->driver->lastclose		= r128_driver_lastclose;
60 	dev->driver->get_vblank_counter	= r128_get_vblank_counter;
61 	dev->driver->enable_vblank	= r128_enable_vblank;
62 	dev->driver->disable_vblank	= r128_disable_vblank;
63 	dev->driver->irq_preinstall	= r128_driver_irq_preinstall;
64 	dev->driver->irq_postinstall	= r128_driver_irq_postinstall;
65 	dev->driver->irq_uninstall	= r128_driver_irq_uninstall;
66 	dev->driver->irq_handler	= r128_driver_irq_handler;
67 	dev->driver->dma_ioctl		= r128_cce_buffers;
68 
69 	dev->driver->ioctls		= r128_ioctls;
70 	dev->driver->max_ioctl		= r128_max_ioctl;
71 
72 	dev->driver->name		= DRIVER_NAME;
73 	dev->driver->desc		= DRIVER_DESC;
74 	dev->driver->date		= DRIVER_DATE;
75 	dev->driver->major		= DRIVER_MAJOR;
76 	dev->driver->minor		= DRIVER_MINOR;
77 	dev->driver->patchlevel		= DRIVER_PATCHLEVEL;
78 }
79 
80 #if defined(__FreeBSD__)
81 
82 static int
83 r128_probe(device_t kdev)
84 {
85 	return drm_probe(kdev, r128_pciidlist);
86 }
87 
88 static int
89 r128_attach(device_t kdev)
90 {
91 	struct drm_device *dev = device_get_softc(kdev);
92 
93 	dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
94 	    M_WAITOK | M_ZERO);
95 
96 	r128_configure(dev);
97 
98 	return drm_attach(kdev, r128_pciidlist);
99 }
100 
101 static int
102 r128_detach(device_t kdev)
103 {
104 	struct drm_device *dev = device_get_softc(kdev);
105 	int ret;
106 
107 	ret = drm_detach(kdev);
108 
109 	free(dev->driver, DRM_MEM_DRIVER);
110 
111 	return ret;
112 }
113 
114 static device_method_t r128_methods[] = {
115 	/* Device interface */
116 	DEVMETHOD(device_probe,		r128_probe),
117 	DEVMETHOD(device_attach,	r128_attach),
118 	DEVMETHOD(device_detach,	r128_detach),
119 
120 	{ 0, 0 }
121 };
122 
123 static driver_t r128_driver = {
124 	"drm",
125 	r128_methods,
126 	sizeof(struct drm_device)
127 };
128 
129 extern devclass_t drm_devclass;
130 #if __FreeBSD_version >= 700010
131 DRIVER_MODULE(r128, vgapci, r128_driver, drm_devclass, 0, 0);
132 #else
133 DRIVER_MODULE(r128, pci, r128_driver, drm_devclass, 0, 0);
134 #endif
135 MODULE_DEPEND(r128, drm, 1, 1, 1);
136 
137 #elif   defined(__NetBSD__)
138 
139 static int
140 r128drm_probe(device_t parent, cfdata_t match, void *aux)
141 {
142 	struct pci_attach_args *pa = aux;
143 
144 	return drm_probe(pa, r128_pciidlist);
145 }
146 
147 static void
148 r128drm_attach(device_t parent, device_t self, void *aux)
149 {
150 	struct pci_attach_args *pa = aux;
151 	struct drm_device *dev = device_private(self);
152 
153 	dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
154 	    M_WAITOK | M_ZERO);
155 
156 	r128_configure(dev);
157 
158 	drm_attach(self, pa, r128_pciidlist);
159 }
160 
161 CFATTACH_DECL_NEW(r128drm, sizeof(struct drm_device),
162     r128drm_probe, r128drm_attach, drm_detach, NULL);
163 
164 #ifdef _MODULE
165 
166 MODULE(MODULE_CLASS_DRIVER, r128drm, NULL);
167 
168 CFDRIVER_DECL(r128drm, DV_DULL, NULL);
169 extern struct cfattach r128drm_ca;
170 static int drmloc[] = { -1 };
171 static struct cfparent drmparent = {
172 	"drm", "vga", DVUNIT_ANY
173 };
174 static struct cfdata r128drm_cfdata[] = {
175 	{
176 		.cf_name = "r128drm",
177 		.cf_atname = "r128drm",
178 		.cf_unit = 0,
179 		.cf_fstate = FSTATE_STAR,
180 		.cf_loc = drmloc,
181 		.cf_flags = 0,
182 		.cf_pspec = &drmparent,
183 	},
184 	{ NULL }
185 };
186 
187 static int
188 r128drm_modcmd(modcmd_t cmd, void *arg)
189 {
190 	int err;
191 
192 	switch (cmd) {
193 	case MODULE_CMD_INIT:
194 		err = config_cfdriver_attach(&r128drm_cd);
195 		if (err)
196 			return err;
197 		err = config_cfattach_attach("r128drm", &r128drm_ca);
198 		if (err) {
199 			config_cfdriver_detach(&r128drm_cd);
200 			return err;
201 		}
202 		err = config_cfdata_attach(r128drm_cfdata, 1);
203 		if (err) {
204 			config_cfattach_detach("r128drm", &r128drm_ca);
205 			config_cfdriver_detach(&r128drm_cd);
206 			return err;
207 		}
208 		return 0;
209 	case MODULE_CMD_FINI:
210 		err = config_cfdata_detach(r128drm_cfdata);
211 		if (err)
212 			return err;
213 		config_cfattach_detach("r128drm", &r128drm_ca);
214 		config_cfdriver_detach(&r128drm_cd);
215 		return 0;
216 	default:
217 		return ENOTTY;
218 	}
219 }
220 #endif /* _MODULE */
221 
222 #endif
223