diff --git a/include/nvhw.h b/include/nvhw.h
index f81972f3..5ff07da1 100644
--- a/include/nvhw.h
+++ b/include/nvhw.h
@@ -27,6 +27,15 @@
 
 #include <stdint.h>
 
+struct chipset_info {
+	uint32_t pmc_id;
+	int chipset;
+	int card_type;
+	int is_nv03t;
+	int endian;
+	const char *name;
+};
+
 enum pfb_type {
 	PFB_NONE,
 	PFB_NV01,
@@ -55,6 +64,7 @@ struct mc_config {
 	int partshift;
 };
 
+int parse_pmc_id(uint32_t pmc_id, struct chipset_info *info);
 int pfb_type(int chipset);
 
 int tile_pitch_valid(int chipset, uint32_t pitch, int *pshift, int *pfactor);
diff --git a/nvhw/chipset.c b/nvhw/chipset.c
index dbbc3c9b..9419ec2e 100644
--- a/nvhw/chipset.c
+++ b/nvhw/chipset.c
@@ -24,6 +24,160 @@
 
 #include "nvhw.h"
 #include <stdlib.h>
+#include <string.h>
+
+int parse_pmc_id(uint32_t pmc_id, struct chipset_info *info) {
+	/* First, detect PMC_ID format and endian. There are four cases:
+	 *
+	 * - pre-NV10 card: always little endian, bits 7 and 31 are guaranteed
+	 *   to be 0 (they're high bits of fields that never got big values)
+	 * - NV10+ little-endian card: bit 7 is guaranteed to be 1 (MSB of
+	 *   stepping, which is always 0xaX or 0xbX), bit 31 is guaranteed
+	 *   to be 0
+	 * - NV10+ big-endian card: like above, but with byteswapping - bit 7
+	 *   is 0, bit 31 is 1
+	 * - something is broken with BAR0 access and ID returns 0xffffffff
+	 *   - both bit 7 and bit 31 are set
+	 */
+	memset(info, 0, sizeof *info);
+	info->endian = 0;
+	if (pmc_id & 0x80000000) {
+		/* bit 31 set - set endian flag and byteswap */
+		info->endian = 1;
+		pmc_id = (pmc_id & 0x0000ffff) << 16 | (pmc_id & 0xffff0000) >> 16;
+		pmc_id = (pmc_id & 0x00ff00ff) << 8 | (pmc_id & 0xff00ff00) >> 8;
+	}
+	if (pmc_id & 0x80000000) {
+		/* bit 31 still set - ie. old bit 7 was set - BAR0 is broken */
+		info->chipset = -1;
+		info->name = "(disabled)";
+		return -1;
+	}
+	info->pmc_id = pmc_id;
+	if (pmc_id & 0x80) {
+		/* NV10+ */
+		info->chipset = pmc_id >> 20 & 0x1ff;
+		info->card_type = info->chipset & 0x1f0;
+		if (info->card_type == 0x60) {
+			info->card_type = 0x40;
+		} else if (info->card_type >= 0x80 && info->card_type <= 0xa0) {
+			info->card_type = 0x50;
+		} else if (info->card_type >= 0xc0 && info->card_type <= 0x100) {
+			info->card_type = 0xc0;
+		}
+		switch (info->chipset) {
+			/* celsius */
+			case 0x10: info->name = "NV10"; break;
+			case 0x15: info->name = "NV15"; break;
+			case 0x1a: info->name = "NV1A"; break;
+			case 0x11: info->name = "NV11"; break;
+			case 0x17: info->name = "NV17"; break;
+			case 0x18: info->name = "NV18"; break;
+			case 0x1f: info->name = "NV1F"; break;
+
+			/* kelvin */
+			case 0x20: info->name = "NV20"; break;
+			case 0x2a: info->name = "NV2A"; break;
+			case 0x25: info->name = "NV25"; break;
+			case 0x28: info->name = "NV28"; break;
+
+			/* rankine */
+			case 0x30: info->name = "NV30"; break;
+			case 0x35: info->name = "NV35"; break;
+			case 0x31: info->name = "NV31"; break;
+			case 0x36: info->name = "NV36"; break;
+			case 0x34: info->name = "NV34"; break;
+
+			/* curie */
+			case 0x40: info->name = "NV40"; break;
+			case 0x45: info->name = "NV45"; break;
+			case 0x41: info->name = "NV41"; break;
+			case 0x42: info->name = "NV42"; break;
+			case 0x43: info->name = "NV43"; break;
+			case 0x44: info->name = "NV44"; break;
+			case 0x4a: info->name = "NV44A"; break;
+			case 0x4e: info->name = "C51"; break;
+
+			/* curie2 */
+			case 0x47: info->name = "G70"; break;
+			case 0x49: info->name = "G71"; break;
+			case 0x4b: info->name = "G73"; break;
+			case 0x46: info->name = "G72"; break;
+			case 0x4c: info->name = "C61"; break;
+			case 0x67: info->name = "C67"; break;
+			case 0x68: info->name = "C68"; break;
+			case 0x63: info->name = "C73"; break;
+
+			/* tesla */
+			case 0x50: info->name = "G80"; break;
+			case 0x84: info->name = "G84"; break;
+			case 0x86: info->name = "G86"; break;
+			case 0x92: info->name = "G92"; break;
+			case 0x94: info->name = "G94"; break;
+			case 0x96: info->name = "G96"; break;
+			case 0x98: info->name = "G98"; break;
+			case 0xa0: info->name = "GT200"; break;
+			case 0xaa: info->name = "MCP77"; break;
+			case 0xac: info->name = "MCP79"; break;
+
+			/* tesla2 */
+			case 0xa3: info->name = "GT215"; break;
+			case 0xa5: info->name = "GT216"; break;
+			case 0xa8: info->name = "GT218"; break;
+			case 0xaf: info->name = "MCP89"; break;
+
+			/* fermi */
+			case 0xc0: info->name = "GF100"; break;
+			case 0xc4: info->name = "GF104"; break;
+			case 0xc3: info->name = "GF106"; break;
+			case 0xce: info->name = "GF114"; break;
+			case 0xcf: info->name = "GF116"; break;
+			case 0xc1: info->name = "GF108"; break;
+			case 0xc8: info->name = "GF110"; break;
+			case 0xd9: info->name = "GF119"; break;
+			case 0xd7: info->name = "GF117"; break;
+
+			/* kepler */
+			case 0xe4: info->name = "GK104"; break;
+			case 0xe6: info->name = "GK106"; break;
+			case 0xe7: info->name = "GK107"; break;
+			case 0xf0: info->name = "GK110"; break;
+			case 0xf1: info->name = "GK110B"; break;
+			case 0x108: info->name = "GK208"; break;
+
+			/* wtf */
+			default: info->name = "???";
+		}
+	} else {
+		/* pre-NV10 */
+		if (pmc_id & 0xf000) {
+			if (pmc_id & 0xf00000) {
+				info->chipset = 5;
+				info->name = "NV05";
+			} else {
+				info->chipset = 4;
+				info->name = "NV04";
+			}
+			info->card_type = 4;
+		} else {
+			info->chipset = pmc_id >> 16 & 0xf;
+			info->card_type = info->chipset;
+			if (info->chipset == 1) {
+				info->name = "NV01";
+			} else if (info->chipset == 3) {
+				if ((pmc_id & 0xff) >= 0x20) {
+					info->name = "NV03T";
+					info->is_nv03t = 1;
+				} else {
+					info->name = "NV03";
+				}
+			} else {
+				info->name = "???";
+			}
+		}
+	}
+	return 0;
+}
 
 int is_igp(int chipset) {
 	switch (chipset) {