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freebsd/sys/dev/gfb/gfb_pci.h
David E. O'Brien 2a200695e4 Add the TGA video driver. This is a great accomplishtment and will help
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>
2001-11-01 08:26:30 +00:00

115 lines
3.5 KiB
C

/*
* Copyright (c) 1995, 1996 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.
*
* Copyright (c) 2000 Andrew Miklic
*
* $FreeBSD$
*/
#ifndef _PCI_GFB_H_
#define _PCI_GFB_H_
#define GFB_MEM_BASE_RID 0x10
typedef u_int32_t gfb_reg_t;
/* GFB register access macros */
#define BUFADDR(adp, off) \
/* (adp)->va_buffer = (adp)->va_mem_base + \
(((adp)->va_buffer - \
(adp)->va_mem_base + \
(adp)->va_buffer_size) % \
(adp)->va_mem_size), \
(adp)->va_buffer_alias = ((adp)->va_buffer - \
(adp)->va_mem_base) / \
(adp)->va_buffer_size, \
(adp)->va_window = (adp)->va_buffer + \
(((adp)->va_window - \
(adp)->va_mem_base) / \
(adp)->va_buffer_alias), \
*/ ((adp)->va_window + (adp)->va_window_orig + \
((vm_offset_t)(off) << 2L))
#define REGADDR(adp, reg) \
/* (adp)->va_buffer = (adp)->va_mem_base + \
(((adp)->va_buffer - \
(adp)->va_mem_base + \
(adp)->va_buffer_size) % \
(adp)->va_mem_size), \
(adp)->va_buffer_alias = ((adp)->va_buffer - \
(adp)->va_mem_base) / \
(adp)->va_buffer_size, \
(adp)->va_registers = (adp)->va_buffer + \
(((adp)->va_registers - \
(adp)->va_mem_base) / \
(adp)->va_buffer_alias), \
*/ ((adp)->va_registers + ((vm_offset_t)(reg) << 2L))
#define READ_GFB_REGISTER(adp, reg) \
(*(u_int32_t *)(REGADDR(adp, reg)))
#define WRITE_GFB_REGISTER(adp, reg, val) \
(*(u_int32_t*)(REGADDR(adp, reg)) = (val))
#define GFB_REGISTER_WRITE_BARRIER(sc, reg, nregs) \
bus_space_barrier((sc)->btag, (sc)->regs, ((reg) << 2), \
4 * (nregs), BUS_SPACE_BARRIER_WRITE)
#define GFB_REGISTER_READ_BARRIER(sc, reg, nregs) \
bus_space_barrier((sc)->btag, (sc)->regs, ((reg) << 2), \
4 * (nregs), BUS_SPACE_BARRIER_READ)
#define GFB_REGISTER_READWRITE_BARRIER(sc, reg, nregs) \
bus_space_barrier((sc)->btag, (sc)->regs, ((reg) << 2), \
4 * (nregs), \
BUS_SPACE_BARRIER_READ | \
BUS_SPACE_BARRIER_WRITE)
#define READ_GFB_BUFFER(adp, reg) \
(*(u_int32_t *)(BUFADDR(adp, reg)))
#define WRITE_GFB_BUFFER(adp, reg, val) \
(*(u_int32_t*)(BUFADDR(adp, reg)) = (val))
/*int pcigfb_probe(device_t);*/
int pcigfb_attach(device_t);
int pcigfb_detach(device_t);
#ifdef FB_INSTALL_CDEV
d_open_t pcigfb_open;
d_close_t pcigfb_close;
d_read_t pcigfb_read;
d_write_t pcigfb_write;
d_ioctl_t pcigfb_ioctl;
d_mmap_t pcigfb_mmap;
#endif /*FB_INSTALL_CDEV*/
typedef struct gfb_type {
int vendor_id;
int device_id;
char* name;
} *gfb_type_t;
#endif /* _PCI_GFB_H_ */