Lines Matching full:psc
3 * Apple Peripheral System Controller (PSC)
5 * The PSC is used on the AV Macs to control IO functions not handled
33 volatile __u8 *psc; variable
34 EXPORT_SYMBOL_GPL(psc);
44 if (!psc) in psc_debug_dump()
48 printk(KERN_DEBUG "PSC #%d: IFR = 0x%02X IER = 0x%02X\n", in psc_debug_dump()
56 * Try to kill all DMA channels on the PSC. Not sure how this his
74 * Initialize the PSC. For now this just involves shutting down all
85 psc = NULL; in psc_init()
90 * The PSC is always at the same spot, but using psc in psc_init()
94 psc = (void *) PSC_BASE; in psc_init()
96 pr_debug("PSC detected at %p\n", psc); in psc_init()
114 * PSC interrupt handler. It's a lot like the VIA interrupt handler.
143 * Register the PSC interrupt dispatchers for autovector interrupts 3-6.