xref: /titanic_41/usr/src/uts/intel/io/drm/radeon_drv.c (revision 193974072f41a843678abf5f61979c748687e66b)
1 /*
2  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
3  * Use is subject to license terms.
4  */
5 /*
6  * radeon_drv.c -- ATI Radeon driver -*- linux-c -*-
7  * Created: Wed Feb 14 17:10:04 2001 by gareth@valinux.com
8  */
9 /*
10  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
11  * All Rights Reserved.
12  *
13  * Permission is hereby granted, free of charge, to any person obtaining a
14  * copy of this software and associated documentation files (the "Software"),
15  * to deal in the Software without restriction, including without limitation
16  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
17  * and/or sell copies of the Software, and to permit persons to whom the
18  * Software is furnished to do so, subject to the following conditions:
19  *
20  * The above copyright notice and this permission notice (including the next
21  * paragraph) shall be included in all copies or substantial portions of the
22  * Software.
23  *
24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
25  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
26  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
27  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
28  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
29  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
30  * OTHER DEALINGS IN THE SOFTWARE.
31  *
32  * Authors:
33  *    Gareth Hughes <gareth@valinux.com>
34  *
35  */
36 
37 #include "drmP.h"
38 #include "drm.h"
39 #include "radeon_drm.h"
40 #include "radeon_drv.h"
41 #include "drm_pciids.h"
42 
43 int radeon_no_wb = 1;
44 
45 /*
46  * cb_ops entrypoint
47  */
48 extern struct cb_ops drm_cb_ops;
49 
50 /* drv_PCI_IDs comes from drm_pciids.h */
51 static drm_pci_id_list_t radeon_pciidlist[] = {
52 	radeon_PCI_IDS
53 };
54 
55 /*
56  * module entrypoint
57  */
58 static int radeon_info(dev_info_t *, ddi_info_cmd_t, void *, void **);
59 static int radeon_attach(dev_info_t *, ddi_attach_cmd_t);
60 static int radeon_detach(dev_info_t *, ddi_detach_cmd_t);
61 
62 extern void radeon_init_ioctl_arrays(void);
63 extern uint_t radeon_driver_irq_handler(caddr_t);
64 extern int drm_get_pci_index_reg(dev_info_t *, uint_t, uint_t, off_t *);
65 
66 /*
67  * Local routines
68  */
69 static void radeon_configure(drm_driver_t *);
70 
71 /*
72  * DRM driver
73  */
74 static drm_driver_t	radeon_driver = {0};
75 
76 static struct dev_ops radeon_dev_ops = {
77 	DEVO_REV,			/* devo_rev */
78 	0,				/* devo_refcnt */
79 	radeon_info,			/* devo_getinfo */
80 	nulldev,			/* devo_identify */
81 	nulldev,			/* devo_probe */
82 	radeon_attach,			/* devo_attach */
83 	radeon_detach,			/* devo_detach */
84 	nodev,				/* devo_reset */
85 	&drm_cb_ops,			/* devo_cb_ops */
86 	NULL,				/* devo_bus_ops */
87 	NULL,				/* power */
88 	ddi_quiesce_not_supported,	/* devo_quiesce */
89 };
90 
91 static struct modldrv modldrv = {
92 	&mod_driverops,			/* drv_modops */
93 	"radeon DRM driver",		/* drv_linkinfo */
94 	&radeon_dev_ops,			/* drv_dev_ops */
95 };
96 
97 static struct modlinkage modlinkage = {
98 	MODREV_1, (void *) &modldrv, NULL
99 };
100 
101 
102 /*
103  * softstate head
104  */
105 static void 	*radeon_statep;
106 
107 int
_init(void)108 _init(void)
109 {
110 	int error;
111 
112 	radeon_configure(&radeon_driver);
113 
114 	if ((error = ddi_soft_state_init(&radeon_statep,
115 	    sizeof (drm_device_t), DRM_MAX_INSTANCES)) != 0)
116 		return (error);
117 
118 	if ((error = mod_install(&modlinkage)) != 0) {
119 		ddi_soft_state_fini(&radeon_statep);
120 		return (error);
121 	}
122 
123 	return (error);
124 
125 }	/* _init() */
126 
127 int
_fini(void)128 _fini(void)
129 {
130 	int error;
131 
132 	if ((error = mod_remove(&modlinkage)) != 0)
133 		return (error);
134 
135 	(void) ddi_soft_state_fini(&radeon_statep);
136 
137 	return (0);
138 
139 }	/* _fini() */
140 
141 int
_info(struct modinfo * modinfop)142 _info(struct modinfo *modinfop)
143 {
144 	return (mod_info(&modlinkage, modinfop));
145 
146 }	/* _info() */
147 
148 
149 static int
radeon_attach(dev_info_t * dip,ddi_attach_cmd_t cmd)150 radeon_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
151 {
152 	drm_device_t	*statep;
153 	void		*handle;
154 	int		unit;
155 
156 	if (cmd != DDI_ATTACH) {
157 		DRM_ERROR("radeon_attach: only attach op supported");
158 		return (DDI_FAILURE);
159 	}
160 
161 	unit =  ddi_get_instance(dip);
162 	if (ddi_soft_state_zalloc(radeon_statep, unit) != DDI_SUCCESS) {
163 		cmn_err(CE_WARN,
164 		    "radeon_attach: alloc softstate failed unit=%d", unit);
165 		return (DDI_FAILURE);
166 	}
167 	statep = ddi_get_soft_state(radeon_statep, unit);
168 	statep->dip = dip;
169 	statep->driver = &radeon_driver;
170 
171 	/*
172 	 * Call drm_supp_register to create minor nodes for us
173 	 */
174 	handle = drm_supp_register(dip, statep);
175 	if (handle == NULL) {
176 		DRM_ERROR("radeon_attach: drm_supp_register failed");
177 		goto err_exit1;
178 	}
179 	statep->drm_handle = handle;
180 
181 	/*
182 	 * After drm_supp_register, we can call drm_xxx routine
183 	 */
184 	statep->drm_supported = DRM_UNSUPPORT;
185 	if (drm_probe(statep, radeon_pciidlist) != DDI_SUCCESS) {
186 		DRM_ERROR("radeon_open: "
187 		    "DRM current don't support this graphics card");
188 		goto err_exit2;
189 	}
190 	statep->drm_supported = DRM_SUPPORT;
191 
192 	/* call common attach code */
193 	if (drm_attach(statep) != DDI_SUCCESS) {
194 		DRM_ERROR("radeon_attach: drm_attach failed");
195 		goto err_exit2;
196 	}
197 	return (DDI_SUCCESS);
198 
199 err_exit2:
200 	(void) drm_supp_unregister(handle);
201 err_exit1:
202 	(void) ddi_soft_state_free(radeon_statep, unit);
203 	return (DDI_FAILURE);
204 
205 }	/* radeon_attach() */
206 
207 static int
radeon_detach(dev_info_t * dip,ddi_detach_cmd_t cmd)208 radeon_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
209 {
210 	drm_device_t	*statep;
211 	int			unit;
212 
213 	if (cmd != DDI_DETACH)
214 		return (DDI_FAILURE);
215 
216 	unit =  ddi_get_instance(dip);
217 	statep = ddi_get_soft_state(radeon_statep, unit);
218 	if (statep == NULL)
219 		return (DDI_FAILURE);
220 
221 	(void) drm_detach(statep);
222 	(void) drm_supp_unregister(statep->drm_handle);
223 	(void) ddi_soft_state_free(radeon_statep, unit);
224 
225 	return (DDI_SUCCESS);
226 
227 }	/* radeon_detach() */
228 
229 /*ARGSUSED*/
230 static int
radeon_info(dev_info_t * dip,ddi_info_cmd_t infocmd,void * arg,void ** result)231 radeon_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result)
232 {
233 	drm_device_t	*statep;
234 	int 		error = DDI_SUCCESS;
235 	int 		unit;
236 
237 	unit = drm_dev_to_instance((dev_t)arg);
238 	switch (infocmd) {
239 	case DDI_INFO_DEVT2DEVINFO:
240 		statep = ddi_get_soft_state(radeon_statep, unit);
241 		if (statep == NULL || statep->dip == NULL) {
242 			error = DDI_FAILURE;
243 		} else {
244 			*result = (void *) statep->dip;
245 			error = DDI_SUCCESS;
246 		}
247 		break;
248 	case DDI_INFO_DEVT2INSTANCE:
249 		*result = (void *)(uintptr_t)unit;
250 		error = DDI_SUCCESS;
251 		break;
252 	default:
253 		error = DDI_FAILURE;
254 		break;
255 	}
256 	return (error);
257 
258 }	/* radeon_info() */
259 
260 static void
radeon_configure(drm_driver_t * driver)261 radeon_configure(drm_driver_t *driver)
262 {
263 	driver->buf_priv_size = sizeof (drm_radeon_buf_priv_t);
264 	driver->load			= radeon_driver_load;
265 	driver->unload		= radeon_driver_unload;
266 	driver->firstopen		= radeon_driver_firstopen;
267 	driver->open			= radeon_driver_open;
268 	driver->preclose		= radeon_driver_preclose;
269 	driver->postclose		= radeon_driver_postclose;
270 	driver->lastclose		= radeon_driver_lastclose;
271 	driver->vblank_wait		= radeon_driver_vblank_wait;
272 	driver->vblank_wait2		= radeon_driver_vblank_wait2;
273 	driver->irq_preinstall	= radeon_driver_irq_preinstall;
274 	driver->irq_postinstall	= radeon_driver_irq_postinstall;
275 	driver->irq_uninstall	= radeon_driver_irq_uninstall;
276 	driver->irq_handler		= radeon_driver_irq_handler;
277 	driver->dma_ioctl		= radeon_cp_buffers;
278 
279 	driver->driver_ioctls	= radeon_ioctls;
280 	driver->max_driver_ioctl	= radeon_max_ioctl;
281 
282 	driver->driver_name		= DRIVER_NAME;
283 	driver->driver_desc		= DRIVER_DESC;
284 	driver->driver_date		= DRIVER_DATE;
285 	driver->driver_major		= DRIVER_MAJOR;
286 	driver->driver_minor		= DRIVER_MINOR;
287 	driver->driver_patchlevel	= DRIVER_PATCHLEVEL;
288 
289 	driver->use_agp		= 1;
290 	driver->use_mtrr		= 1;
291 	driver->use_pci_dma		= 1;
292 	driver->use_sg		= 1;
293 	driver->use_dma		= 1;
294 	driver->use_irq		= 1;
295 	driver->use_vbl_irq		= 1;
296 	driver->use_vbl_irq2		= 1;
297 
298 }	/* radeon_configure() */
299