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path: root/src/gallium/targets/xorg-radeonsi/xorg.c
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/*
 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
 * 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 TUNGSTEN 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.
 *
 *
 * Author: Alan Hourihane <alanh@tungstengraphics.com>
 * Author: Jakob Bornecrantz <wallbraker@gmail.com>
 * Author: Corbin Simpson <MostAwesomedude@gmail.com>
 *
 */

#include "../../state_trackers/xorg/xorg_winsys.h"

static void radeonsi_xorg_identify(int flags);
static Bool radeonsi_xorg_pci_probe(DriverPtr driver,
				 int entity_num,
				 struct pci_device *device,
				 intptr_t match_data);

static const struct pci_id_match radeonsi_xorg_device_match[] = {
    {0x1002, PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, 0, 0, 0},
    {0, 0, 0},
};

static SymTabRec radeonsi_xorg_chipsets[] = {
    {PCI_MATCH_ANY, "AMD Southern Islands Graphics Chipset"},
    {-1, NULL}
};

static PciChipsets radeonsi_xorg_pci_devices[] = {
    {PCI_MATCH_ANY, PCI_MATCH_ANY, NULL},
    {-1, -1, NULL}
};

static XF86ModuleVersionInfo radeonsi_xorg_version = {
    "radeonsi",
    MODULEVENDORSTRING,
    MODINFOSTRING1,
    MODINFOSTRING2,
    XORG_VERSION_CURRENT,
    0, 1, 0, /* major, minor, patch */
    ABI_CLASS_VIDEODRV,
    ABI_VIDEODRV_VERSION,
    MOD_CLASS_VIDEODRV,
    {0, 0, 0, 0}
};

/*
 * Xorg driver exported structures
 */

_X_EXPORT DriverRec radeonsi_driver = {
    1,
    "radeonsi",
    radeonsi_xorg_identify,
    NULL,
    xorg_tracker_available_options,
    NULL,
    0,
    NULL,
    radeonsi_xorg_device_match,
    radeonsi_xorg_pci_probe
};

static MODULESETUPPROTO(radeonsi_xorg_setup);

_X_EXPORT XF86ModuleData radeonsiModuleData = {
    &radeonsi_xorg_version,
    radeonsi_xorg_setup,
    NULL
};

/*
 * Xorg driver functions
 */

static pointer
radeonsi_xorg_setup(pointer module, pointer opts, int *errmaj, int *errmin)
{
    static Bool setupDone = 0;

    /* This module should be loaded only once, but check to be sure.
     */
    if (!setupDone) {
	setupDone = 1;
	xf86AddDriver(&radeonsi_driver, module, HaveDriverFuncs);

	/*
	 * The return value must be non-NULL on success even though there
	 * is no TearDownProc.
	 */
	return (pointer) 1;
    } else {
	if (errmaj)
	    *errmaj = LDR_ONCEONLY;
	return NULL;
    }
}

static void
radeonsi_xorg_identify(int flags)
{
    xf86PrintChipsets("radeonsi", "Driver for AMD Radeon SI Gallium with KMS",
		      radeonsi_xorg_chipsets);
}

static Bool
radeonsi_xorg_pci_probe(DriverPtr driver,
	  int entity_num, struct pci_device *device, intptr_t match_data)
{
    ScrnInfoPtr scrn = NULL;
    EntityInfoPtr entity;

    scrn = xf86ConfigPciEntity(scrn, 0, entity_num, radeonsi_xorg_pci_devices,
			       NULL, NULL, NULL, NULL, NULL);
    if (scrn != NULL) {
	scrn->driverVersion = 1;
	scrn->driverName = "radeonsi";
	scrn->name = "RADEONSI";
	scrn->Probe = NULL;

	entity = xf86GetEntityInfo(entity_num);

	/* Use all the functions from the xorg tracker */
	xorg_tracker_set_functions(scrn);
    }
    return scrn != NULL;
}