1 files changed, 98 insertions, 0 deletions
diff --git a/intel/intel_chipset.c b/intel/intel_chipset.c
new file mode 100644
index 0000000..76b1940
--- /dev/null
+++ b/intel/intel_chipset.c
@@ -0,0 +1,98 @@
+/*
+ * 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_MTL_IDS(12),
+	INTEL_ATS_M_IDS(12),
+	INTEL_DG2_IDS(12),
+	INTEL_ADLN_IDS(12),
+	INTEL_RPLP_IDS(12),
+	INTEL_ADLP_IDS(12),
+	INTEL_RPLS_IDS(12),
+	INTEL_ADLS_IDS(12),
+	INTEL_RKL_IDS(12),
+	INTEL_DG1_IDS(12),
+	INTEL_TGL_12_IDS(12),
+	INTEL_JSL_IDS(11),
+	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;
+}