diff options
Diffstat (limited to 'sys/arch/alpha/pci/cia_isa.c')
| -rw-r--r-- | sys/arch/alpha/pci/cia_isa.c | 346 |
1 files changed, 0 insertions, 346 deletions
diff --git a/sys/arch/alpha/pci/cia_isa.c b/sys/arch/alpha/pci/cia_isa.c deleted file mode 100644 index 6ccb0ae4a3e..00000000000 --- a/sys/arch/alpha/pci/cia_isa.c +++ /dev/null @@ -1,346 +0,0 @@ -/* $NetBSD: cia_isa.c,v 1.1 1995/11/23 02:37:26 cgd Exp $ */ - -/* - * Copyright (c) 1995 Carnegie-Mellon University. - * All rights reserved. - * - * Author: Chris G. Demetriou - * - * Permission to use, copy, modify and distribute this software and - * its documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND - * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie the - * rights to redistribute these changes. - */ - -#include <sys/param.h> -#include <sys/malloc.h> -#include <sys/syslog.h> -#include <sys/device.h> -#include <vm/vm.h> - -#include <dev/isa/isavar.h> - -#include <alpha/pci/ciareg.h> -#include <alpha/pci/ciavar.h> - -/* - * Allocation/deallocation functions. - */ -int cia_pio_alloc __P((void *, isa_iooffset_t, isa_iosize_t)); -int cia_pio_dealloc __P((void *, isa_iooffset_t, isa_iosize_t)); - -/* - * Byte functions. - */ -isa_byte_t cia_inb __P((void *, isa_iooffset_t)); -#define cia_insb 0 /* XXX */ -void cia_outb __P((void *, isa_iooffset_t, isa_byte_t)); -#define cia_outsb 0 /* XXX */ - -/* - * Word functions. - */ -isa_word_t cia_inw __P((void *, isa_iooffset_t)); -#define cia_insw 0 /* XXX */ -void cia_outw __P((void *, isa_iooffset_t, isa_word_t)); -#define cia_outsw 0 /* XXX */ - -/* - * Longword functions. - */ -isa_long_t cia_inl __P((void *, isa_iooffset_t)); -#define cia_insl 0 /* XXX */ -void cia_outl __P((void *, isa_iooffset_t, isa_long_t)); -#define cia_outsl 0 /* XXX */ - -__const struct pci_pio_fns cia_pio_fns = { - /* Allocation/deallocation functions. */ - cia_pio_alloc, cia_pio_dealloc, - - /* Byte functions. */ - cia_inb, cia_insb, - cia_outb, cia_outsb, - - /* Word functions. */ - cia_inw, cia_insw, - cia_outw, cia_outsw, - - /* Longword functions. */ - cia_inl, cia_insl, - cia_outl, cia_outsl, -}; - -int -cia_pio_alloc(ipfarg, start, size) - void *ipfarg; - isa_iooffset_t start; - isa_iosize_t size; -{ - - /* XXX should do something */ -} - -int -cia_pio_dealloc(ipfarg, start, size) - void *ipfarg; - isa_iooffset_t start; - isa_iosize_t size; -{ - - /* XXX should do something */ -} - -isa_byte_t -cia_inb(ipfa, ioaddr) - void *ipfa; - isa_iooffset_t ioaddr; -{ - u_int32_t *port, val; - isa_byte_t rval; - int offset; - - wbflush(); - offset = ioaddr & 3; - port = (int32_t *)phystok0seg(CIA_PCI_SIO0 | 0 << 3 | ioaddr << 5); - val = *port; - rval = ((val) >> (8 * offset)) & 0xff; -/* rval = val & 0xff; */ - - return rval; -} - -void -cia_outb(ipfa, ioaddr, val) - void *ipfa; - isa_iooffset_t ioaddr; - isa_byte_t val; -{ - u_int32_t *port, nval; - int offset; - - offset = ioaddr & 3; - nval = val /*<< (8 * offset)*/; - nval = val << (8 * offset); - port = (int32_t *)phystok0seg(CIA_PCI_SIO0 | 0 << 3 | ioaddr << 5); - - *port = nval; - wbflush(); -} - -isa_word_t -cia_inw(ipfa, ioaddr) - void *ipfa; - isa_iooffset_t ioaddr; -{ - u_int32_t *port, val; - isa_word_t rval; - int offset; - - wbflush(); - offset = ioaddr & 3; - port = (int32_t *)phystok0seg(CIA_PCI_SIO0 | 1 << 3 | ioaddr << 5); - val = *port; - rval = ((val) >> (8 * offset)) & 0xffff; - rval = val & 0xffff; - -panic("inw(0x%x) => 0x%x @ %p => 0x%x\n", ioaddr, val, port, rval); - - return rval; -} - -void -cia_outw(ipfa, ioaddr, val) - void *ipfa; - isa_iooffset_t ioaddr; - isa_word_t val; -{ - u_int32_t *port, nval; - int offset; - - offset = ioaddr & 3; - nval = val /*<< (8 * offset)*/; - port = (int32_t *)phystok0seg(CIA_PCI_SIO0 | 1 << 3 | ioaddr << 5); - - *port = nval; - wbflush(); -} - -isa_long_t -cia_inl(ipfa, ioaddr) - void *ipfa; - isa_iooffset_t ioaddr; -{ - u_int32_t *port, val; - isa_long_t rval; - int offset; - - wbflush(); - offset = ioaddr & 3; - port = (int32_t *)phystok0seg(CIA_PCI_SIO0 | 3 << 3 | ioaddr << 5); - val = *port; - rval = ((val) >> (8 * offset)) & 0xffffffff; - rval = val & 0xffffffff; - - return rval; -} - -void -cia_outl(ipfa, ioaddr, val) - void *ipfa; - isa_iooffset_t ioaddr; - isa_long_t val; -{ - u_int32_t *port, nval; - int offset; - - offset = ioaddr & 3; - nval = val /*<< (8 * offset)*/; - port = (int32_t *)phystok0seg(CIA_PCI_SIO0 | 3 << 3 | ioaddr << 5); - - *port = nval; - wbflush(); -} - -/* XXX XXX XXX */ - -#define pf(fn, args) fn args { panic(__STRING(fn)); } - -void pf(cia_dma_cascade, (void *idfa, isa_drq_t chan)) -void pf(cia_dma_copytobuf, ()) -void pf(cia_dma_copyfrombuf, ()) -void pf(cia_dma_start, (void *idfa, vm_offset_t addr, - isa_msize_t size, isa_drq_t chan, int flags)) -void pf(cia_dma_abort, (void *idfa, isa_drq_t chan)) -void pf(cia_dma_done, (void *idfa, isa_drq_t chan)) - -int cia_dma_map __P((void *, vm_offset_t, isa_msize_t, - isa_moffset_t *, int)); -void cia_dma_unmap __P((void *, vm_offset_t, isa_msize_t, int, - isa_moffset_t *)); - -__const struct isa_dma_fns cia_dma_fns = { - cia_dma_cascade, - cia_dma_map, - cia_dma_unmap, - cia_dma_copytobuf, - cia_dma_copyfrombuf, - cia_dma_start, - cia_dma_abort, - cia_dma_done, -}; - -int -cia_dma_map(idfa, va, isasize, mappingsp, flags) - void *idfa; - vm_offset_t va; - isa_msize_t isasize; - isa_moffset_t *mappingsp; - int flags; -{ - struct apecs_config *acp = idfa; - long todo; - int i; - - if (ISA_DMA_NEEDCONTIG(flags) && isasize > NBPG || - ISA_DMA_SIZEBOUND(flags) != ISA_DMA_SIZEBOUND_NONE || - ISA_DMA_ADDRBOUND(flags) != ISA_DMA_ADDRBOUND_NONE) - panic("cia_dma_map: punt"); - - i = 0; - todo = isasize; - - while (todo > 0) { - mappingsp[i] = vtophys(va) | 0x40000000; -#if 0 - printf("a_pd_m mapping %d: %lx -> %lx -> %lx\n", i, va, - vtophys(va), mappingsp[i]); -#endif - i++; - todo -= PAGE_SIZE - (va - trunc_page(va)); - va += PAGE_SIZE - (va - trunc_page(va)); - } - return (i); -} - -void -cia_dma_unmap(idfa, va, isasize, nmappings, mappingsp) - void *idfa; - vm_offset_t va; - isa_msize_t isasize; - int nmappings; - isa_moffset_t *mappingsp; -{ - - printf("cia_dma_unmap: called\n"); -} - -vm_offset_t cia_mem_map __P((void *, isa_moffset_t, isa_msize_t, int)); -void cia_mem_unmap __P((void *, vm_offset_t, isa_msize_t)); - -#if 0 -void cia_mem_copytoisa __P((void *, char *, vm_offset_t, - isa_moffset_t, isa_msize_t)); -void cia_mem_copyfromisa __P((void *, char *, vm_offset_t, - isa_moffset_t, isa_msize_t)); -void cia_mem_zero __P((void *, vm_offset_t, isa_moffset_t, - isa_msize_t)); -#else -void pf(cia_mem_copytoisa, ()) -void pf(cia_mem_copyfromisa, ()) -void pf(cia_mem_zero, ()) -#endif - -__const struct isa_mem_fns cia_mem_fns = { - cia_mem_map, - cia_mem_unmap, - cia_mem_copytoisa, - cia_mem_copyfromisa, - cia_mem_zero, -}; - -vm_offset_t -cia_mem_map(imfa, isapa, isasize, cacheable) - void *imfa; - isa_moffset_t isapa; - isa_msize_t isasize; - int cacheable; -{ - vm_offset_t sbpa; - - /* XXX sanity checks on sizes, use of windows, etc. */ - - /* XXX MAGIC NUMBERS */ - if (cacheable) - sbpa = (isapa & 0xffffffff) | CIA_PCI_DENSE; - else - sbpa = ((isapa & 0x7ffffff) << 5) | CIA_PCI_SPARSE0; - - return phystok0seg(sbpa); -} - -void -cia_mem_unmap(imfa, va, isasize) - void *imfa; - vm_offset_t va; - isa_msize_t isasize; -{ - - /* XXX sanity checks on va */ - - /* Nothing to do; mapping was done in direct-mapped segment. */ -} |