summaryrefslogtreecommitdiffstats
path: root/arch/alpha/include/asm/agp_backend.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/alpha/include/asm/agp_backend.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/alpha/include/asm/agp_backend.h')
-rw-r--r--arch/alpha/include/asm/agp_backend.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/agp_backend.h b/arch/alpha/include/asm/agp_backend.h
new file mode 100644
index 000000000..271880240
--- /dev/null
+++ b/arch/alpha/include/asm/agp_backend.h
@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ALPHA_AGP_BACKEND_H
+#define _ALPHA_AGP_BACKEND_H 1
+
+typedef union _alpha_agp_mode {
+ struct {
+ u32 rate : 3;
+ u32 reserved0 : 1;
+ u32 fw : 1;
+ u32 fourgb : 1;
+ u32 reserved1 : 2;
+ u32 enable : 1;
+ u32 sba : 1;
+ u32 reserved2 : 14;
+ u32 rq : 8;
+ } bits;
+ u32 lw;
+} alpha_agp_mode;
+
+typedef struct _alpha_agp_info {
+ struct pci_controller *hose;
+ struct {
+ dma_addr_t bus_base;
+ unsigned long size;
+ void *sysdata;
+ } aperture;
+ alpha_agp_mode capability;
+ alpha_agp_mode mode;
+ void *private;
+ struct alpha_agp_ops *ops;
+} alpha_agp_info;
+
+struct alpha_agp_ops {
+ int (*setup)(alpha_agp_info *);
+ void (*cleanup)(alpha_agp_info *);
+ int (*configure)(alpha_agp_info *);
+ int (*bind)(alpha_agp_info *, off_t, struct agp_memory *);
+ int (*unbind)(alpha_agp_info *, off_t, struct agp_memory *);
+ unsigned long (*translate)(alpha_agp_info *, dma_addr_t);
+};
+
+
+#endif /* _ALPHA_AGP_BACKEND_H */