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+/*
+ * 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_ */
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