b0240e2484
us a lot on older Alphas. Andrew Gallatin, Thomas V. Crimi, and Peter Jeremy contributed to this work along with the submitter. Submitted by: Andrew M. Miklic <miklic@home.com>
115 lines
3.5 KiB
C
115 lines
3.5 KiB
C
/*
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* Copyright (c) 1995, 1996 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Chris G. Demetriou
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*
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* Copyright (c) 2000 Andrew Miklic
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*
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* $FreeBSD$
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*/
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#ifndef _PCI_GFB_H_
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#define _PCI_GFB_H_
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#define GFB_MEM_BASE_RID 0x10
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typedef u_int32_t gfb_reg_t;
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/* GFB register access macros */
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#define BUFADDR(adp, off) \
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/* (adp)->va_buffer = (adp)->va_mem_base + \
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(((adp)->va_buffer - \
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(adp)->va_mem_base + \
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(adp)->va_buffer_size) % \
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(adp)->va_mem_size), \
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(adp)->va_buffer_alias = ((adp)->va_buffer - \
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(adp)->va_mem_base) / \
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(adp)->va_buffer_size, \
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(adp)->va_window = (adp)->va_buffer + \
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(((adp)->va_window - \
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(adp)->va_mem_base) / \
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(adp)->va_buffer_alias), \
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*/ ((adp)->va_window + (adp)->va_window_orig + \
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((vm_offset_t)(off) << 2L))
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#define REGADDR(adp, reg) \
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/* (adp)->va_buffer = (adp)->va_mem_base + \
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(((adp)->va_buffer - \
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(adp)->va_mem_base + \
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(adp)->va_buffer_size) % \
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(adp)->va_mem_size), \
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(adp)->va_buffer_alias = ((adp)->va_buffer - \
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(adp)->va_mem_base) / \
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(adp)->va_buffer_size, \
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(adp)->va_registers = (adp)->va_buffer + \
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(((adp)->va_registers - \
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(adp)->va_mem_base) / \
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(adp)->va_buffer_alias), \
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*/ ((adp)->va_registers + ((vm_offset_t)(reg) << 2L))
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#define READ_GFB_REGISTER(adp, reg) \
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(*(u_int32_t *)(REGADDR(adp, reg)))
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#define WRITE_GFB_REGISTER(adp, reg, val) \
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(*(u_int32_t*)(REGADDR(adp, reg)) = (val))
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#define GFB_REGISTER_WRITE_BARRIER(sc, reg, nregs) \
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bus_space_barrier((sc)->btag, (sc)->regs, ((reg) << 2), \
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4 * (nregs), BUS_SPACE_BARRIER_WRITE)
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#define GFB_REGISTER_READ_BARRIER(sc, reg, nregs) \
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bus_space_barrier((sc)->btag, (sc)->regs, ((reg) << 2), \
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4 * (nregs), BUS_SPACE_BARRIER_READ)
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#define GFB_REGISTER_READWRITE_BARRIER(sc, reg, nregs) \
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bus_space_barrier((sc)->btag, (sc)->regs, ((reg) << 2), \
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4 * (nregs), \
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BUS_SPACE_BARRIER_READ | \
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BUS_SPACE_BARRIER_WRITE)
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#define READ_GFB_BUFFER(adp, reg) \
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(*(u_int32_t *)(BUFADDR(adp, reg)))
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#define WRITE_GFB_BUFFER(adp, reg, val) \
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(*(u_int32_t*)(BUFADDR(adp, reg)) = (val))
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/*int pcigfb_probe(device_t);*/
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int pcigfb_attach(device_t);
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int pcigfb_detach(device_t);
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#ifdef FB_INSTALL_CDEV
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d_open_t pcigfb_open;
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d_close_t pcigfb_close;
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d_read_t pcigfb_read;
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d_write_t pcigfb_write;
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d_ioctl_t pcigfb_ioctl;
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d_mmap_t pcigfb_mmap;
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#endif /*FB_INSTALL_CDEV*/
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typedef struct gfb_type {
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int vendor_id;
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int device_id;
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char* name;
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} *gfb_type_t;
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#endif /* _PCI_GFB_H_ */
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