/*

 * Copyright (C) 2018 Intel Corporation

 *

 * 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

 * THE AUTHORS OR COPYRIGHT HOLDERS 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 "intel_chipset.h"

#include <inttypes.h>

#include <stdbool.h>

#include "i915_pciids.h"

#undef INTEL_VGA_DEVICE

#define INTEL_VGA_DEVICE(id, gen) { id, gen }

static const struct pci_device {

	uint16_t device;

	uint16_t gen;

} pciids[] = {

	/* Keep ids sorted by gen; latest gen first */

	INTEL_RKL_IDS(12),

	INTEL_DG1_IDS(12),

	INTEL_TGL_12_IDS(12),

	INTEL_EHL_IDS(11),

	INTEL_ICL_11_IDS(11),

	INTEL_CNL_IDS(10),

	INTEL_CFL_IDS(9),

	INTEL_GLK_IDS(9),

	INTEL_KBL_IDS(9),

	INTEL_BXT_IDS(9),

	INTEL_SKL_IDS(9),

};

drm_private bool intel_is_genx(unsigned int devid, int gen)

{

	const struct pci_device *p,

		  *pend = pciids + sizeof(pciids) / sizeof(pciids[0]);

	for (p = pciids; p < pend; p++) {

		/* PCI IDs are sorted */

		if (p->gen < gen)

			break;

		if (p->device != devid)

			continue;

		if (gen == p->gen)

			return true;

		break;

	}

	return false;

}

drm_private bool intel_get_genx(unsigned int devid, int *gen)

{

	const struct pci_device *p,

		  *pend = pciids + sizeof(pciids) / sizeof(pciids[0]);

	for (p = pciids; p < pend; p++) {

		if (p->device != devid)

			continue;

		if (gen)

			*gen = p->gen;

		return true;

	}

	return false;

}