summaryrefslogtreecommitdiff
path: root/linux-core/radeon_drv.c
blob: f0f3320ea956ada11b921104f4c8dd2903c71b57 (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
/**
 * \file radeon_drv.c
 * ATI Radeon driver
 *
 * \author Gareth Hughes <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.
 */

#include "drmP.h"
#include "drm.h"
#include "radeon_drm.h"
#include "radeon_drv.h"

#include "drm_pciids.h"

int radeon_no_wb;

MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers\n");
module_param_named(no_wb, radeon_no_wb, int, 0444);

static int dri_library_name(struct drm_device * dev, char * buf)
{
	drm_radeon_private_t *dev_priv = dev->dev_private;
	int family = dev_priv->flags & RADEON_FAMILY_MASK;

	return snprintf(buf, PAGE_SIZE, "%s\n",
		(family < CHIP_R200) ? "radeon" :
		((family < CHIP_R300) ? "r200" :
		"r300"));
}

static struct pci_device_id pciidlist[] = {
	radeon_PCI_IDS
};

static int probe(struct pci_dev *pdev, const struct pci_device_id *ent);
static struct drm_driver driver = {
	.driver_features =
	    DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
	    DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
	.dev_priv_size = sizeof(drm_radeon_buf_priv_t),
	.load = radeon_driver_load,
	.firstopen = radeon_driver_firstopen,
	.open = radeon_driver_open,
	.preclose = radeon_driver_preclose,
	.postclose = radeon_driver_postclose,
	.lastclose = radeon_driver_lastclose,
	.unload = radeon_driver_unload,
	.get_vblank_counter = radeon_get_vblank_counter,
	.enable_vblank = radeon_enable_vblank,
	.disable_vblank = radeon_disable_vblank,
	.dri_library_name = dri_library_name,
	.irq_preinstall = radeon_driver_irq_preinstall,
	.irq_postinstall = radeon_driver_irq_postinstall,
	.irq_uninstall = radeon_driver_irq_uninstall,
	.irq_handler = radeon_driver_irq_handler,
	.reclaim_buffers = drm_core_reclaim_buffers,
	.get_map_ofs = drm_core_get_map_ofs,
	.get_reg_ofs = drm_core_get_reg_ofs,
	.ioctls = radeon_ioctls,
	.dma_ioctl = radeon_cp_buffers,
	.fops = {
		.owner = THIS_MODULE,
		.open = drm_open,
		.release = drm_release,
		.ioctl = drm_ioctl,
		.mmap = drm_mmap,
		.poll = drm_poll,
		.fasync = drm_fasync,
#if defined(CONFIG_COMPAT) && LINUX_VERSION_CODE > KERNEL_VERSION(2,6,9)
		.compat_ioctl = radeon_compat_ioctl,
#endif
		},
	.pci_driver = {
		.name = DRIVER_NAME,
		.id_table = pciidlist,
		.probe = probe,
		.remove = __devexit_p(drm_cleanup_pci),
	},

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

static int probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
	return drm_get_dev(pdev, ent, &driver);
}

static int __init radeon_init(void)
{
	driver.num_ioctls = radeon_max_ioctl;
	return drm_init(&driver, pciidlist);
}

static void __exit radeon_exit(void)
{
	drm_exit(&driver);
}

module_init(radeon_init);
module_exit(radeon_exit);

MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights");
opt">= 0; i < MAX_CONTEXT; i++) { if (global_ppriv[i].used && global_ppriv[i].context == context) { retval = setAdd(global_ppriv[i].sets[type], val); break; } } return retval; } static int del_alloc_set(int context, int type, unsigned int val) { int i, retval = 0; for (i = 0; i < MAX_CONTEXT; i++) { if (global_ppriv[i].used && global_ppriv[i].context == context) { retval = setDel(global_ppriv[i].sets[type], val); break; } } return retval; } /* fb management via fb device */ #if defined(__linux__) && defined(CONFIG_FB_SIS) int sis_fb_init( DRM_IOCTL_ARGS ) { return 0; } int sis_fb_alloc( DRM_IOCTL_ARGS ) { drm_sis_mem_t fb; struct sis_memreq req; int retval = 0; DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_mem_t *)data, sizeof(fb)); req.size = fb.size; sis_malloc(&req); if (req.offset) { /* TODO */ fb.offset = req.offset; fb.free = req.offset; if (!add_alloc_set(fb.context, VIDEO_TYPE, fb.free)) { DRM_DEBUG("adding to allocation set fails\n"); sis_free(req.offset); retval = DRM_ERR(EINVAL); } } else { fb.offset = 0; fb.size = 0; fb.free = 0; } DRM_COPY_TO_USER_IOCTL((drm_sis_mem_t *)data, fb, sizeof(fb)); DRM_DEBUG("alloc fb, size = %d, offset = %ld\n", fb.size, req.offset); return retval; } int sis_fb_free( DRM_IOCTL_ARGS ) { drm_sis_mem_t fb; int retval = 0; DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_mem_t *)data, sizeof(fb)); if (!fb.free) return DRM_ERR(EINVAL); if (!del_alloc_set(fb.context, VIDEO_TYPE, fb.free)) retval = DRM_ERR(EINVAL); sis_free(fb.free); DRM_DEBUG("free fb, offset = 0x%lx\n", fb.free); return retval; } #else /* Called by the X Server to initialize the FB heap. Allocations will fail * unless this is called. Offset is the beginning of the heap from the * framebuffer offset (MaxXFBMem in XFree86). * * Memory layout according to Thomas Winischofer: * |------------------|DDDDDDDDDDDDDDDDDDDDDDDDDDDDD|HHHH|CCCCCCCCCCC| * * X driver/sisfb HW- Command- * framebuffer memory DRI heap Cursor queue */ int sis_fb_init( DRM_IOCTL_ARGS ) { DRM_DEVICE; drm_sis_private_t *dev_priv = dev->dev_private; drm_sis_fb_t fb; DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_fb_t *)data, sizeof(fb)); if (dev_priv == NULL) { dev->dev_private = DRM(calloc)(1, sizeof(drm_sis_private_t), DRM_MEM_DRIVER); dev_priv = dev->dev_private; if (dev_priv == NULL) return ENOMEM; } if (dev_priv->FBHeap != NULL) return DRM_ERR(EINVAL); dev_priv->FBHeap = mmInit(fb.offset, fb.size); DRM_DEBUG("offset = %u, size = %u", fb.offset, fb.size); return 0; } int sis_fb_alloc( DRM_IOCTL_ARGS ) { DRM_DEVICE; drm_sis_private_t *dev_priv = dev->dev_private; drm_sis_mem_t fb; PMemBlock block; int retval = 0; if (dev_priv == NULL || dev_priv->FBHeap == NULL) return DRM_ERR(EINVAL); DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_mem_t *)data, sizeof(fb)); block = mmAllocMem(dev_priv->FBHeap, fb.size, 0, 0); if (block) { /* TODO */ fb.offset = block->ofs; fb.free = (unsigned long)block; if (!add_alloc_set(fb.context, VIDEO_TYPE, fb.free)) { DRM_DEBUG("adding to allocation set fails\n"); mmFreeMem((PMemBlock)fb.free); retval = DRM_ERR(EINVAL); } } else { fb.offset = 0; fb.size = 0; fb.free = 0; } DRM_COPY_TO_USER_IOCTL((drm_sis_mem_t *)data, fb, sizeof(fb)); DRM_DEBUG("alloc fb, size = %d, offset = %d\n", fb.size, fb.offset); return retval; } int sis_fb_free( DRM_IOCTL_ARGS ) { DRM_DEVICE; drm_sis_private_t *dev_priv = dev->dev_private; drm_sis_mem_t fb; if (dev_priv == NULL || dev_priv->FBHeap == NULL) return DRM_ERR(EINVAL); DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_mem_t *)data, sizeof(fb)); if (!mmBlockInHeap(dev_priv->FBHeap, (PMemBlock)fb.free)) return DRM_ERR(EINVAL); if (!del_alloc_set(fb.context, VIDEO_TYPE, fb.free)) return DRM_ERR(EINVAL); mmFreeMem((PMemBlock)fb.free); DRM_DEBUG("free fb, free = 0x%lx\n", fb.free); return 0; } #endif /* agp memory management */ int sis_ioctl_agp_init( DRM_IOCTL_ARGS ) { DRM_DEVICE; drm_sis_private_t *dev_priv = dev->dev_private; drm_sis_agp_t agp; if (dev_priv == NULL) { dev->dev_private = DRM(calloc)(1, sizeof(drm_sis_private_t), DRM_MEM_DRIVER); dev_priv = dev->dev_private; if (dev_priv == NULL) return ENOMEM; } if (dev_priv->AGPHeap != NULL) return DRM_ERR(EINVAL); DRM_COPY_FROM_USER_IOCTL(agp, (drm_sis_agp_t *)data, sizeof(agp)); dev_priv->AGPHeap = mmInit(agp.offset, agp.size); DRM_DEBUG("offset = %u, size = %u", agp.offset, agp.size); return 0; } int sis_ioctl_agp_alloc( DRM_IOCTL_ARGS ) { DRM_DEVICE; drm_sis_private_t *dev_priv = dev->dev_private; drm_sis_mem_t agp; PMemBlock block; int retval = 0; if (dev_priv == NULL || dev_priv->AGPHeap == NULL) return DRM_ERR(EINVAL); DRM_COPY_FROM_USER_IOCTL(agp, (drm_sis_mem_t *)data, sizeof(agp)); block = mmAllocMem(dev_priv->AGPHeap, agp.size, 0, 0); if (block) { /* TODO */ agp.offset = block->ofs; agp.free = (unsigned long)block; if (!add_alloc_set(agp.context, AGP_TYPE, agp.free)) { DRM_DEBUG("adding to allocation set fails\n"); mmFreeMem((PMemBlock)agp.free); retval = -1; } } else { agp.offset = 0; agp.size = 0; agp.free = 0; } DRM_COPY_TO_USER_IOCTL((drm_sis_mem_t *)data, agp, sizeof(agp)); DRM_DEBUG("alloc agp, size = %d, offset = %d\n", agp.size, agp.offset); return retval; } int sis_ioctl_agp_free( DRM_IOCTL_ARGS ) { DRM_DEVICE; drm_sis_private_t *dev_priv = dev->dev_private; drm_sis_mem_t agp; if (dev_priv == NULL || dev_priv->AGPHeap == NULL) return DRM_ERR(EINVAL); DRM_COPY_FROM_USER_IOCTL(agp, (drm_sis_mem_t *)data, sizeof(agp)); if (!mmBlockInHeap(dev_priv->AGPHeap, (PMemBlock)agp.free)) return DRM_ERR(EINVAL); mmFreeMem((PMemBlock)agp.free); if (!del_alloc_set(agp.context, AGP_TYPE, agp.free)) return DRM_ERR(EINVAL); DRM_DEBUG("free agp, free = 0x%lx\n", agp.free); return 0; } int sis_init_context(int context) { int i; for (i = 0; i < MAX_CONTEXT ; i++) { if (global_ppriv[i].used && (global_ppriv[i].context == context)) break; } if (i >= MAX_CONTEXT) { for (i = 0; i < MAX_CONTEXT ; i++) { if (!global_ppriv[i].used) { global_ppriv[i].context = context; global_ppriv[i].used = 1; global_ppriv[i].sets[0] = setInit(); global_ppriv[i].sets[1] = setInit(); DRM_DEBUG("init allocation set, socket=%d, " "context = %d\n", i, context); break; } } if ((i >= MAX_CONTEXT) || (global_ppriv[i].sets[0] == NULL) || (global_ppriv[i].sets[1] == NULL)) { return 0; } } return 1; } int sis_final_context(int context) { int i; for (i=0; i<MAX_CONTEXT; i++) { if (global_ppriv[i].used && (global_ppriv[i].context == context)) break; } if (i < MAX_CONTEXT) { set_t *set; unsigned int item; int retval; DRM_DEBUG("find socket %d, context = %d\n", i, context); /* Video Memory */ set = global_ppriv[i].sets[0]; retval = setFirst(set, &item); while (retval) { DRM_DEBUG("free video memory 0x%x\n", item); #if defined(__linux__) && defined(CONFIG_FB_SIS) sis_free(item); #else mmFreeMem((PMemBlock)item); #endif retval = setNext(set, &item); } setDestroy(set); /* AGP Memory */ set = global_ppriv[i].sets[1]; retval = setFirst(set, &item); while (retval) { DRM_DEBUG("free agp memory 0x%x\n", item); mmFreeMem((PMemBlock)item); retval = setNext(set, &item); } setDestroy(set); global_ppriv[i].used = 0; } return 1; }