/* * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved. * Copyright 2001-2003 S3 Graphics, Inc. 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, sub license, * 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 NON-INFRINGEMENT. IN NO EVENT SHALL * VIA, S3 GRAPHICS, 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 #include "drmP.h" #include "via_drm.h" #include "via_drv.h" #include "drm_pciids.h" static int dri_library_name(struct drm_device * dev, char * buf) { return snprintf(buf, PAGE_SIZE, "unichrome\n"); } static struct pci_device_id pciidlist[] = { viadrv_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_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL, .load = via_driver_load, .unload = via_driver_unload, .context_ctor = via_init_context, .context_dtor = via_final_context, .vblank_wait = via_driver_vblank_wait, .irq_preinstall = via_driver_irq_preinstall, .irq_postinstall = via_driver_irq_postinstall, .irq_uninstall = via_driver_irq_uninstall, .irq_handler = via_driver_irq_handler, .dma_quiescent = via_driver_dma_quiescent, .dri_library_name = dri_library_name, .reclaim_buffers = drm_core_reclaim_buffers, .get_map_ofs = drm_core_get_map_ofs, .get_reg_ofs = drm_core_get_reg_ofs, .ioctls = via_ioctls, .fops = { .owner = THIS_MODULE, .open = drm_open, .release = drm_release, .ioctl = drm_ioctl, .mmap = drm_mmap, .poll = drm_poll, .fasync = drm_fasync, }, .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 via_init(void) { driver.num_ioctls = via_max_ioctl; via_init_command_verifier(); return drm_init(&driver, pciidlist); } static void __exit via_exit(void) { drm_exit(&driver); } module_init(via_init); module_exit(via_exit); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL and additional rights"); a id='n16' href='#n16'>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

/*
 * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
 * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
 * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan.
 * 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, sub license,
 * 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 NON-INFRINGEMENT. IN NO EVENT SHALL
 * VIA, S3 GRAPHICS, 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.
 */
#ifndef _via_ds_h_
#define _via_ds_h_

#include "drmP.h"

/* Set Data Structure */
#define SET_SIZE 5000
typedef unsigned long ITEM_TYPE;

typedef struct {
	ITEM_TYPE val;
	int alloc_next, free_next;
} list_item_t;

typedef struct {
	int alloc;
	int free;
	int trace;
	list_item_t list[SET_SIZE];
} set_t;

set_t *via_setInit(void);
int via_setAdd(set_t * set, ITEM_TYPE item);
int via_setDel(set_t * set, ITEM_TYPE item);
int via_setFirst(set_t * set, ITEM_TYPE * item);
int via_setNext(set_t * set, ITEM_TYPE * item);
int via_setDestroy(set_t * set);

#endif

#ifndef MM_INC
#define MM_INC

struct mem_block_t {
	struct mem_block_t *next;
	struct mem_block_t *heap;
	int ofs, size;
	int align;
	unsigned int free:1;
	unsigned int reserved:1;
};
typedef struct mem_block_t TMemBlock;
typedef struct mem_block_t *PMemBlock;

/* a heap is just the first block in a chain */
typedef struct mem_block_t memHeap_t;

static __inline__ int mmBlockSize(PMemBlock b)
{
	return b->size;
}

static __inline__ int mmOffset(PMemBlock b)
{
	return b->ofs;
}

static __inline__ void mmMarkReserved(PMemBlock b)
{
	b->reserved = 1;
}

/*
 * input: total size in bytes
 * return: a heap pointer if OK, NULL if error
 */
memHeap_t *via_mmInit(int ofs, int size);

PMemBlock via_mmAllocMem(memHeap_t * heap, int size, int align2,
			 int startSearch);

/*
 * Free block starts at offset
 * input: pointer to a block
 * return: 0 if OK, -1 if error
 */
int via_mmFreeMem(PMemBlock b);

#endif