Defined in 3 files as a macro:

• include/video/aty128.h, line 146 (as a macro)
• include/video/mach64.h, line 207 (as a macro)
• include/video/radeon.h, line 345 (as a macro)

Referenced in 2 files:

• drivers/video/fbdev/aty/mach64_accel.c, line 195
• drivers/video/fbdev/aty/radeon_accel.c, line 131