BIT()

#define BIT(x) (1ul <<(x))

intel_get_pci_device ()

struct pci_device *
intel_get_pci_device (void);

Looks up the main graphics pci device using libpciaccess.

intel_get_drm_devid ()

uint32_t
intel_get_drm_devid (int fd);

Queries the kernel for the pci device id corresponding to the drm file descriptor.

intel_get_device_info ()

const struct intel_device_info *
intel_get_device_info (uint16_t devid);

Looks up the Intel GFX device info for the given device id.

intel_get_cmds_info ()

const struct intel_cmds_info *
intel_get_cmds_info (uint16_t devid);

Looks up information on copy commands and tiling formats supported by the device.

intel_gen ()

unsigned
intel_gen (uint16_t devid);

Computes the Intel GFX generation for the given device id.

intel_graphics_ver ()

unsigned
intel_graphics_ver (uint16_t devid);

intel_display_ver ()

unsigned
intel_display_ver (uint16_t devid);

Computes the Intel GFX display version for the given device id.

intel_check_pch ()

void
intel_check_pch (void);

Detects the PCH chipset type of the running systems and fills in the results into the global intel_pch variable.

IP_VER()

#define IP_VER(ver, rel)		((ver) << 8 | (rel))

IS_915G()

#define IS_915G(devid)		(intel_get_device_info(devid)->is_grantsdale)

IS_915GM()

#define IS_915GM(devid)		(intel_get_device_info(devid)->is_alviso)

IS_915()

#define IS_915(devid)		(IS_915G(devid) || IS_915GM(devid))

IS_945G()

#define IS_945G(devid)		(intel_get_device_info(devid)->is_lakeport)

IS_945GM()

#define IS_945GM(devid)		(intel_get_device_info(devid)->is_calistoga)

IS_945()

#define             IS_945(devid)

IS_PINEVIEW()

#define IS_PINEVIEW(devid) (intel_get_device_info(devid)->is_pineview)

IS_G33()

#define             IS_G33(devid)

IS_BROADWATER()

#define IS_BROADWATER(devid) (intel_get_device_info(devid)->is_broadwater)

IS_CRESTLINE()

#define IS_CRESTLINE(devid) (intel_get_device_info(devid)->is_crestline)

IS_GM45()

#define IS_GM45(devid)		(intel_get_device_info(devid)->is_cantiga)

IS_G45()

#define IS_G45(devid)		(intel_get_device_info(devid)->is_eaglelake)

IS_G4X()

#define IS_G4X(devid)		(IS_G45(devid) || IS_GM45(devid))

IS_IRONLAKE()

#define IS_IRONLAKE(devid) (intel_get_device_info(devid)->is_ironlake)

IS_ARRANDALE()

#define IS_ARRANDALE(devid) (intel_get_device_info(devid)->is_arrandale)

IS_SANDYBRIDGE()

#define IS_SANDYBRIDGE(devid) (intel_get_device_info(devid)->is_sandybridge)

IS_IVYBRIDGE()

#define IS_IVYBRIDGE(devid) (intel_get_device_info(devid)->is_ivybridge)

IS_VALLEYVIEW()

#define IS_VALLEYVIEW(devid) (intel_get_device_info(devid)->is_valleyview)

IS_HASWELL()

#define IS_HASWELL(devid) (intel_get_device_info(devid)->is_haswell)

IS_BROADWELL()

#define IS_BROADWELL(devid) (intel_get_device_info(devid)->is_broadwell)

IS_CHERRYVIEW()

#define IS_CHERRYVIEW(devid) (intel_get_device_info(devid)->is_cherryview)

IS_SKYLAKE()

#define IS_SKYLAKE(devid) (intel_get_device_info(devid)->is_skylake)

IS_BROXTON()

#define IS_BROXTON(devid) (intel_get_device_info(devid)->is_broxton)

IS_KABYLAKE()

#define IS_KABYLAKE(devid) (intel_get_device_info(devid)->is_kabylake)

IS_GEMINILAKE()

#define IS_GEMINILAKE(devid) (intel_get_device_info(devid)->is_geminilake)

IS_COFFEELAKE()

#define IS_COFFEELAKE(devid) (intel_get_device_info(devid)->is_coffeelake)

IS_COMETLAKE()

#define IS_COMETLAKE(devid) (intel_get_device_info(devid)->is_cometlake)

IS_CANNONLAKE()

#define IS_CANNONLAKE(devid) (intel_get_device_info(devid)->is_cannonlake)

IS_ICELAKE()

#define IS_ICELAKE(devid) (intel_get_device_info(devid)->is_icelake)

IS_TIGERLAKE()

#define IS_TIGERLAKE(devid) (intel_get_device_info(devid)->is_tigerlake)

IS_ROCKETLAKE()

#define IS_ROCKETLAKE(devid) (intel_get_device_info(devid)->is_rocketlake)

IS_DG1()

#define IS_DG1(devid)		(intel_get_device_info(devid)->is_dg1)

IS_DG2()

#define IS_DG2(devid)		(intel_get_device_info(devid)->is_dg2)

IS_ALDERLAKE_S()

#define IS_ALDERLAKE_S(devid) (intel_get_device_info(devid)->is_alderlake_s)

IS_RAPTORLAKE_S()

#define IS_RAPTORLAKE_S(devid) (intel_get_device_info(devid)->is_raptorlake_s)

IS_ALDERLAKE_P()

#define IS_ALDERLAKE_P(devid) (intel_get_device_info(devid)->is_alderlake_p)

IS_ALDERLAKE_N()

#define IS_ALDERLAKE_N(devid) (intel_get_device_info(devid)->is_alderlake_n)

IS_METEORLAKE()

#define IS_METEORLAKE(devid) (intel_get_device_info(devid)->is_meteorlake)

IS_PONTEVECCHIO()

#define IS_PONTEVECCHIO(devid) (intel_get_device_info(devid)->is_pontevecchio)

IS_LUNARLAKE()

#define IS_LUNARLAKE(devid) (intel_get_device_info(devid)->is_lunarlake)

IS_BATTLEMAGE()

#define IS_BATTLEMAGE(devid) (intel_get_device_info(devid)->is_battlemage)

IS_PANTHERLAKE()

#define IS_PANTHERLAKE(devid)  (intel_get_device_info(devid)->is_pantherlake)

IS_GEN()

#define IS_GEN(devid, x) (intel_get_device_info(devid)->graphics_ver == x)

IS_GEN2()

#define IS_GEN2(devid)		IS_GEN(devid, 2)

IS_GEN3()

#define IS_GEN3(devid)		IS_GEN(devid, 3)

IS_GEN4()

#define IS_GEN4(devid)		IS_GEN(devid, 4)

IS_GEN5()

#define IS_GEN5(devid)		IS_GEN(devid, 5)

IS_GEN6()

#define IS_GEN6(devid)		IS_GEN(devid, 6)

IS_GEN7()

#define IS_GEN7(devid)		IS_GEN(devid, 7)

IS_GEN8()

#define IS_GEN8(devid)		IS_GEN(devid, 8)

IS_GEN9()

#define IS_GEN9(devid)		IS_GEN(devid, 9)

IS_GEN10()

#define IS_GEN10(devid)		IS_GEN(devid, 10)

IS_GEN11()

#define IS_GEN11(devid)		IS_GEN(devid, 11)

IS_GEN12()

#define IS_GEN12(devid)		IS_GEN(devid, 12)

IS_MOBILE()

#define IS_MOBILE(devid) (intel_get_device_info(devid)->is_mobile)

IS_965()

#define IS_965(devid)		(intel_gen(devid) >= 4)

HAS_BSD_RING()

#define HAS_BSD_RING(devid) (intel_gen(devid) >= 5)

HAS_BLT_RING()

#define HAS_BLT_RING(devid) (intel_gen(devid) >= 6)

HAS_PCH_SPLIT()

#define             HAS_PCH_SPLIT(devid)

HAS_4TILE()

#define HAS_4TILE(devid) (intel_get_device_info(devid)->has_4tile)

HAS_FLATCCS()

#define HAS_FLATCCS(devid) (intel_get_device_info(devid)->has_flatccs)

HAS_OAM()

#define HAS_OAM(devid)		(intel_get_device_info(devid)->has_oam)

struct intel_device_info

struct intel_device_info {
	unsigned graphics_ver;
	unsigned graphics_rel;
	unsigned display_ver;
	unsigned gt; /* 0 if unknown */
	bool has_4tile : 1;
	bool has_flatccs : 1;
	bool has_oam : 1;
	bool is_mobile : 1;
	bool is_whitney : 1;
	bool is_almador : 1;
	bool is_brookdale : 1;
	bool is_montara : 1;
	bool is_springdale : 1;
	bool is_grantsdale : 1;
	bool is_alviso : 1;
	bool is_lakeport : 1;
	bool is_calistoga : 1;
	bool is_bearlake : 1;
	bool is_pineview : 1;
	bool is_broadwater : 1;
	bool is_crestline : 1;
	bool is_eaglelake : 1;
	bool is_cantiga : 1;
	bool is_ironlake : 1;
	bool is_arrandale : 1;
	bool is_sandybridge : 1;
	bool is_ivybridge : 1;
	bool is_valleyview : 1;
	bool is_haswell : 1;
	bool is_broadwell : 1;
	bool is_cherryview : 1;
	bool is_skylake : 1;
	bool is_broxton : 1;
	bool is_kabylake : 1;
	bool is_geminilake : 1;
	bool is_coffeelake : 1;
	bool is_cometlake : 1;
	bool is_cannonlake : 1;
	bool is_icelake : 1;
	bool is_elkhartlake : 1;
	bool is_jasperlake : 1;
	bool is_tigerlake : 1;
	bool is_rocketlake : 1;
	bool is_dg1 : 1;
	bool is_dg2 : 1;
	bool is_alderlake_s : 1;
	bool is_raptorlake_s : 1;
	bool is_alderlake_p : 1;
	bool is_alderlake_n : 1;
	bool is_meteorlake : 1;
	bool is_pontevecchio : 1;
	bool is_lunarlake : 1;
	bool is_battlemage : 1;
	bool is_pantherlake : 1;

	const struct intel_cmds_info *cmds_info;
	const char *codename;
};

intel_pch

extern enum pch_type intel_pch;

Global variable to keep track of the pch type. Can either be set manually or detected at runtime with intel_check_pch().

enum pch_type

HAS_IBX

#define HAS_IBX (intel_pch == PCH_IBX)

HAS_CPT

#define HAS_CPT (intel_pch == PCH_CPT)

HAS_LPT

#define HAS_LPT (intel_pch == PCH_LPT)