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/* sis.c -- sis driver -*- linux-c -*-
 */
/*-
 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
 * 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
 * PRECISION INSIGHT 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 "sis_drm.h"
#include "sis_drv.h"
#include "drm_pciids.h"

/* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */
static drm_pci_id_list_t sis_pciidlist[] = {
	sis_PCI_IDS
};

static void sis_configure(drm_device_t *dev)
{
	dev->driver.buf_priv_size	= 1; /* No dev_priv */
	dev->driver.context_ctor	= sis_init_context;
	dev->driver.context_dtor	= sis_final_context;

	dev->driver.ioctls		= sis_ioctls;
	dev->driver.max_ioctl		= sis_max_ioctl;

	dev->driver.name		= DRIVER_NAME;
	dev->driver.desc		= DRIVER_DESC;
	dev->driver.date		= DRIVER_DATE;
	dev->driver.major		= DRIVER_MAJOR;
	dev->driver.minor		= DRIVER_MINOR;
	dev->driver.patchlevel		= DRIVER_PATCHLEVEL;

	dev->driver.use_agp		= 1;
	dev->driver.use_mtrr		= 1;
}

#ifdef __FreeBSD__
static int
sis_probe(device_t dev)
{
	return drm_probe(dev, sis_pciidlist);
}

static int
sis_attach(device_t nbdev)
{
	drm_device_t *dev = device_get_softc(nbdev);

	bzero(dev, sizeof(drm_device_t));
	sis_configure(dev);
	return drm_attach(nbdev, sis_pciidlist);
}

static device_method_t sis_methods[] = {
	/* Device interface */
	DEVMETHOD(device_probe,		sis_probe),
	DEVMETHOD(device_attach,	sis_attach),
	DEVMETHOD(device_detach,	drm_detach),

	{ 0, 0 }
};

static driver_t sis_driver = {
	"drm",
	sis_methods,
	sizeof(drm_device_t)
};

extern devclass_t drm_devclass;
#if __FreeBSD_version >= 700010
DRIVER_MODULE(sisdrm, vgapci, sis_driver, drm_devclass, 0, 0);
#else
DRIVER_MODULE(sisdrm, pci, sis_driver, drm_devclass, 0, 0);
#endif
MODULE_DEPEND(sisdrm, drm, 1, 1, 1);

#elif defined(__NetBSD__) || defined(__OpenBSD__)
#ifdef _LKM
CFDRIVER_DECL(sis, DV_TTY, NULL);
#else
CFATTACH_DECL(sis, sizeof(drm_device_t), drm_probe, drm_attach, drm_detach,
    drm_activate);
#endif
#endif
OD_LIMITS */ #define I810_TEXREG_MCS 7 /* GFX_OP_MAP_COORD_SETS ??? */ #define I810_TEX_SETUP_SIZE 8 #define I810_FRONT 0x1 #define I810_BACK 0x2 #define I810_DEPTH 0x4 typedef struct _drm_i810_init { enum { I810_INIT_DMA = 0x01, I810_CLEANUP_DMA = 0x02 } func; int ring_map_idx; int buffer_map_idx; int sarea_priv_offset; unsigned int ring_start; unsigned int ring_end; unsigned int ring_size; unsigned int front_offset; unsigned int back_offset; unsigned int depth_offset; unsigned int w; unsigned int h; unsigned int pitch; unsigned int pitch_bits; } drm_i810_init_t; /* Warning: If you change the SAREA structure you must change the Xserver * structure as well */ typedef struct _drm_i810_tex_region { unsigned char next, prev; /* indices to form a circular LRU */ unsigned char in_use; /* owned by a client, or free? */ int age; /* tracked by clients to update local LRU's */ } drm_i810_tex_region_t; typedef struct _drm_i810_sarea { unsigned int ContextState[I810_CTX_SETUP_SIZE]; unsigned int BufferState[I810_DEST_SETUP_SIZE]; unsigned int TexState[2][I810_TEX_SETUP_SIZE]; unsigned int dirty; unsigned int nbox; drm_clip_rect_t boxes[I810_NR_SAREA_CLIPRECTS]; /* Maintain an LRU of contiguous regions of texture space. If * you think you own a region of texture memory, and it has an * age different to the one you set, then you are mistaken and * it has been stolen by another client. If global texAge * hasn't changed, there is no need to walk the list. * * These regions can be used as a proxy for the fine-grained * texture information of other clients - by maintaining them * in the same lru which is used to age their own textures, * clients have an approximate lru for the whole of global * texture space, and can make informed decisions as to which * areas to kick out. There is no need to choose whether to * kick out your own texture or someone else's - simply eject * them all in LRU order. */ drm_i810_tex_region_t texList[I810_NR_TEX_REGIONS+1]; /* Last elt is sentinal */ int texAge; /* last time texture was uploaded */ int last_enqueue; /* last time a buffer was enqueued */ int last_dispatch; /* age of the most recently dispatched buffer */ int last_quiescent; /* */ int ctxOwner; /* last context to upload state */ int vertex_prim; } drm_i810_sarea_t; typedef struct _drm_i810_clear { int clear_color; int clear_depth; int flags; } drm_i810_clear_t; /* These may be placeholders if we have more cliprects than * I810_NR_SAREA_CLIPRECTS. In that case, the client sets discard to * false, indicating that the buffer will be dispatched again with a * new set of cliprects. */ typedef struct _drm_i810_vertex { int idx; /* buffer index */ int used; /* nr bytes in use */ int discard; /* client is finished with the buffer? */ } drm_i810_vertex_t; typedef struct _drm_i810_copy_t { int idx; /* buffer index */ int used; /* nr bytes in use */ void *address; /* Address to copy from */ } drm_i810_copy_t; typedef struct drm_i810_dma { void *virtual; int request_idx; int request_size; int granted; } drm_i810_dma_t; #endif /* _I810_DRM_H_ */