drivers/parport/parport_ip32.c

2 /* Low-level parallel port routines for built-in port on SGI IP32
18  *	Support for parallel port IRQ is present.
40 /* The built-in parallel port on the SGI 02 workstation (a.k.a. IP32) is an
41  * IEEE 1284 parallel port driven by a Texas Instrument TL16PIR552PH chip[1].
48  * not so simple.  The parport_pc code assumes that the parallel port
137  * struct parport_ip32_regs - virtual addresses of parallel port registers
313  * care.  Reading the parallel port registers may have undesired side effects.
314  * Especially if @show_ecp_config is true, the parallel port is resetted.
453 /*--- IP32 parallel port DMA operations --------------------------------*/
1376  * Uses PIO to write the contents of the buffer @buf into the parallel port
1378  * with or without the help of interrupts.  The parallel port must be
1420  * Uses DMA to write the contents of the buffer @buf into the parallel port
1422  * parallel port must be correctly initialized before calling
1467  * Uses PIO or DMA to write the contents of the buffer @buf into the parallel
2018  * parport_ip32_probe_port - probe and register IP32 built-in parallel port
2031 	parport_ip32_make_isa_registers(&regs, &mace->isa.parallel,
2041 	p->base = MACE_BASE + offsetof(struct sgi_mace, isa.parallel);
2167  * parport_ip32_unregister_port - unregister a parallel port
2170  * Unregisters a parallel port and free previously allocated resources
2193 	pr_info(PPIP32 "SGI IP32 built-in parallel port driver v0.6\n");
2209 MODULE_DESCRIPTION("SGI IP32 built-in parallel port driver");