summaryrefslogtreecommitdiff
path: root/sys/dev/pci/drm/i915_drv.c
blob: 2e128acff15b64c94933720784b4292713fc2d63 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
/* i915_drv.c -- Intel i915 driver -*- linux-c -*-
 * Created: Wed Feb 14 17:10:04 2001 by gareth@valinux.com
 */
/*-
 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors:
 *    Gareth Hughes <gareth@valinux.com>
 *
 */

#include "drmP.h"
#include "drm.h"
#include "i915_drm.h"
#include "i915_drv.h"

int	inteldrm_probe(struct device *, void *, void *);
void	inteldrm_attach(struct device *, struct device *, void *);
int	inteldrm_detach(struct device *, int);
int	inteldrm_ioctl(struct drm_device *, u_long, caddr_t, struct drm_file *);

static drm_pci_id_list_t inteldrm_pciidlist[] = {
	{PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82830M_IGD,
	    CHIP_I830|CHIP_M},
	{PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82845G_IGD,
	    CHIP_I845G},
	{PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82855GM_IGD,
	    CHIP_I85X|CHIP_M},
	{PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82865G_IGD,
	    CHIP_I865G},
	{PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82915G_IGD_1,
	    CHIP_I915G|CHIP_I9XX},
	{PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_E7221_IGD,
	    CHIP_I915G|CHIP_I9XX},
	{PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82915GM_IGD_1,
	    CHIP_I915GM|CHIP_I9XX|CHIP_M},
	{PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82945G_IGD_1,
	    CHIP_I945G|CHIP_I9XX},
	{PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82945GM_IGD_1,
	    CHIP_I945GM|CHIP_I9XX|CHIP_M},
	{PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82945GME_IGD_1,
	    CHIP_I945GM|CHIP_I9XX|CHIP_M},
	{PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82946GZ_IGD_1,
	    CHIP_I965|CHIP_I9XX},
	{PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82G35_IGD_1,
	    CHIP_I965|CHIP_I9XX},
	{PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82Q965_IGD_1,
	    CHIP_I965|CHIP_I9XX},
	{PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82G965_IGD_1,
	    CHIP_I965|CHIP_I9XX},
	{PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82GM965_IGD_1,
	    CHIP_I965GM|CHIP_I965|CHIP_I9XX|CHIP_M},
	{PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82GME965_IGD_1,
	    CHIP_I965|CHIP_I9XX},
	{PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82G33_IGD_1,
	    CHIP_G33|CHIP_I9XX|CHIP_HWS},
	{PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82Q35_IGD_1,
	    CHIP_G33|CHIP_I9XX|CHIP_HWS},
	{PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82Q33_IGD_1,
	    CHIP_G33|CHIP_I9XX|CHIP_HWS},
	{PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82GM45_IGD_1,
	    CHIP_GM45|CHIP_I965|CHIP_I9XX|CHIP_M|CHIP_HWS},
	{PCI_VENDOR_INTEL, 0x2E02,
	    CHIP_G4X|CHIP_I965|CHIP_I9XX|CHIP_HWS},
	{PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82Q45_IGD_1,
	    CHIP_G4X|CHIP_I965|CHIP_I9XX|CHIP_HWS},
	{PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82G45_IGD_1,
	    CHIP_G4X|CHIP_I965|CHIP_I9XX|CHIP_HWS},
	{0, 0, 0}
};

static const struct drm_driver_info inteldrm_driver = {
	.buf_priv_size		= 1,	/* No dev_priv */
	.ioctl			= inteldrm_ioctl,
	.preclose		= i915_driver_preclose,
	.lastclose		= i915_driver_lastclose,
	.device_is_agp		= i915_driver_device_is_agp,
	.get_vblank_counter	= i915_get_vblank_counter,
	.enable_vblank		= i915_enable_vblank,
	.disable_vblank		= i915_disable_vblank,
	.irq_preinstall		= i915_driver_irq_preinstall,
	.irq_postinstall	= i915_driver_irq_postinstall,
	.irq_uninstall		= i915_driver_irq_uninstall,
	.irq_handler		= i915_driver_irq_handler,

	.name			= DRIVER_NAME,
	.desc			= DRIVER_DESC,
	.date			= DRIVER_DATE,
	.major			= DRIVER_MAJOR,
	.minor			= DRIVER_MINOR,
	.patchlevel		= DRIVER_PATCHLEVEL,

	.flags			= DRIVER_AGP | DRIVER_AGP_REQUIRE |
				    DRIVER_MTRR | DRIVER_IRQ,
};

int
inteldrm_probe(struct device *parent, void *match, void *aux)
{
	return drm_pciprobe((struct pci_attach_args *)aux, inteldrm_pciidlist);
}

void
inteldrm_attach(struct device *parent, struct device *self, void *aux)
{
	struct drm_i915_private	*dev_priv = (struct drm_i915_private *)self;
	struct pci_attach_args	*pa = aux;
	struct vga_pci_bar	*bar;
	drm_pci_id_list_t	*id_entry;

	id_entry = drm_find_description(PCI_VENDOR(pa->pa_id),
	    PCI_PRODUCT(pa->pa_id), inteldrm_pciidlist);
	dev_priv->flags = id_entry->driver_private;
	dev_priv->pci_device = PCI_PRODUCT(pa->pa_id);

	/* Add register map (needed for suspend/resume) */
	bar = vga_pci_bar_info((struct vga_pci_softc *)parent,
	    (IS_I9XX(dev_priv) ? 0 : 1));
	if (bar == NULL) {
		printf(": can't get BAR info\n");
		return;
	}

	dev_priv->regs = vga_pci_bar_map((struct vga_pci_softc *)parent, 
	    bar->addr, bar->size, 0);
	if (dev_priv->regs == NULL) {
		printf(": can't map mmio space\n");
		return;
	}

	/* Init HWS */
	if (!I915_NEED_GFX_HWS(dev_priv)) {
		if (i915_init_phys_hws(dev_priv, pa->pa_dmat) != 0) {
			printf(": couldn't initialize hardware status page\n");
			return;
		}
	}

	mtx_init(&dev_priv->user_irq_lock, IPL_BIO);

	dev_priv->drmdev = drm_attach_mi(&inteldrm_driver, pa, self);
}

int
inteldrm_detach(struct device *self, int flags)
{
	struct drm_i915_private *dev_priv = (struct drm_i915_private *)self;

	if (dev_priv->drmdev != NULL) {
		config_detach(dev_priv->drmdev, flags);
		dev_priv->drmdev = NULL;
	}

	i915_free_hws(dev_priv, dev_priv->dmat);

	if (dev_priv->regs != NULL)
		vga_pci_bar_unmap(dev_priv->regs);

	DRM_SPINUNINIT(&dev_priv->user_irq_lock);

	return (0);
}

struct cfattach inteldrm_ca = {
	sizeof(struct drm_i915_private), inteldrm_probe, inteldrm_attach,
	inteldrm_detach
};

struct cfdriver inteldrm_cd = {
	0, "inteldrm", DV_DULL
};

int
inteldrm_ioctl(struct drm_device *dev, u_long cmd, caddr_t data,
    struct drm_file *file_priv)
{
	if (file_priv->authenticated == 1) {
		switch (cmd) {
		case DRM_IOCTL_I915_FLUSH:
			return (i915_flush_ioctl(dev, data, file_priv));
		case DRM_IOCTL_I915_FLIP:
			return (i915_flip_bufs(dev, data, file_priv));
		case DRM_IOCTL_I915_BATCHBUFFER:
			return (i915_batchbuffer(dev, data, file_priv));
		case DRM_IOCTL_I915_IRQ_EMIT:
			return (i915_irq_emit(dev, data, file_priv));
		case DRM_IOCTL_I915_IRQ_WAIT:
			return (i915_irq_wait(dev, data, file_priv));
		case DRM_IOCTL_I915_GETPARAM:
			return (i915_getparam(dev, data, file_priv));
		case DRM_IOCTL_I915_ALLOC:
			return (i915_mem_alloc(dev, data, file_priv));
		case DRM_IOCTL_I915_FREE:
			return (i915_mem_free(dev, data, file_priv));
		case DRM_IOCTL_I915_CMDBUFFER:
			return (i915_cmdbuffer(dev, data, file_priv));
		case DRM_IOCTL_I915_GET_VBLANK_PIPE:
			return (i915_vblank_pipe_get(dev, data, file_priv));
		case DRM_IOCTL_I915_VBLANK_SWAP:
			/*
			 * removed due to being racy. Userland falls back
			 * correctly when it errors out
			 */
			return (EINVAL);
		}
	}

	if (file_priv->master == 1) {
		switch (cmd) {
		case DRM_IOCTL_I915_SETPARAM:
			return (i915_setparam(dev, data, file_priv));
		case DRM_IOCTL_I915_INIT:
			return (i915_dma_init(dev, data, file_priv));
		case DRM_IOCTL_I915_INIT_HEAP:
			return (i915_mem_init_heap(dev, data, file_priv));
		case DRM_IOCTL_I915_DESTROY_HEAP:
			return (i915_mem_destroy_heap(dev, data, file_priv));
		case DRM_IOCTL_I915_HWS_ADDR:
			return (i915_set_status_page(dev, data, file_priv));
		case DRM_IOCTL_I915_SET_VBLANK_PIPE:
			return (0);
		}
	}
	return (EINVAL);
}