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-rw-r--r--include/linux/fpga/fpga-mgr.h39
1 files changed, 28 insertions, 11 deletions
diff --git a/include/linux/fpga/fpga-mgr.h b/include/linux/fpga/fpga-mgr.h
index bfa14bc023fb..3c6de23aabdf 100644
--- a/include/linux/fpga/fpga-mgr.h
+++ b/include/linux/fpga/fpga-mgr.h
@@ -1,7 +1,8 @@
1/* 1/*
2 * FPGA Framework 2 * FPGA Framework
3 * 3 *
4 * Copyright (C) 2013-2015 Altera Corporation 4 * Copyright (C) 2013-2016 Altera Corporation
5 * Copyright (C) 2017 Intel Corporation
5 * 6 *
6 * This program is free software; you can redistribute it and/or modify it 7 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License, 8 * under the terms and conditions of the GNU General Public License,
@@ -15,12 +16,12 @@
15 * You should have received a copy of the GNU General Public License along with 16 * You should have received a copy of the GNU General Public License along with
16 * this program. If not, see <http://www.gnu.org/licenses/>. 17 * this program. If not, see <http://www.gnu.org/licenses/>.
17 */ 18 */
18#include <linux/mutex.h>
19#include <linux/platform_device.h>
20
21#ifndef _LINUX_FPGA_MGR_H 19#ifndef _LINUX_FPGA_MGR_H
22#define _LINUX_FPGA_MGR_H 20#define _LINUX_FPGA_MGR_H
23 21
22#include <linux/mutex.h>
23#include <linux/platform_device.h>
24
24struct fpga_manager; 25struct fpga_manager;
25struct sg_table; 26struct sg_table;
26 27
@@ -83,12 +84,26 @@ enum fpga_mgr_states {
83 * @disable_timeout_us: maximum time to disable traffic through bridge (uSec) 84 * @disable_timeout_us: maximum time to disable traffic through bridge (uSec)
84 * @config_complete_timeout_us: maximum time for FPGA to switch to operating 85 * @config_complete_timeout_us: maximum time for FPGA to switch to operating
85 * status in the write_complete op. 86 * status in the write_complete op.
87 * @firmware_name: name of FPGA image firmware file
88 * @sgt: scatter/gather table containing FPGA image
89 * @buf: contiguous buffer containing FPGA image
90 * @count: size of buf
91 * @dev: device that owns this
92 * @overlay: Device Tree overlay
86 */ 93 */
87struct fpga_image_info { 94struct fpga_image_info {
88 u32 flags; 95 u32 flags;
89 u32 enable_timeout_us; 96 u32 enable_timeout_us;
90 u32 disable_timeout_us; 97 u32 disable_timeout_us;
91 u32 config_complete_timeout_us; 98 u32 config_complete_timeout_us;
99 char *firmware_name;
100 struct sg_table *sgt;
101 const char *buf;
102 size_t count;
103 struct device *dev;
104#ifdef CONFIG_OF
105 struct device_node *overlay;
106#endif
92}; 107};
93 108
94/** 109/**
@@ -100,6 +115,7 @@ struct fpga_image_info {
100 * @write_sg: write the scatter list of configuration data to the FPGA 115 * @write_sg: write the scatter list of configuration data to the FPGA
101 * @write_complete: set FPGA to operating state after writing is done 116 * @write_complete: set FPGA to operating state after writing is done
102 * @fpga_remove: optional: Set FPGA into a specific state during driver remove 117 * @fpga_remove: optional: Set FPGA into a specific state during driver remove
118 * @groups: optional attribute groups.
103 * 119 *
104 * fpga_manager_ops are the low level functions implemented by a specific 120 * fpga_manager_ops are the low level functions implemented by a specific
105 * fpga manager driver. The optional ones are tested for NULL before being 121 * fpga manager driver. The optional ones are tested for NULL before being
@@ -116,6 +132,7 @@ struct fpga_manager_ops {
116 int (*write_complete)(struct fpga_manager *mgr, 132 int (*write_complete)(struct fpga_manager *mgr,
117 struct fpga_image_info *info); 133 struct fpga_image_info *info);
118 void (*fpga_remove)(struct fpga_manager *mgr); 134 void (*fpga_remove)(struct fpga_manager *mgr);
135 const struct attribute_group **groups;
119}; 136};
120 137
121/** 138/**
@@ -138,14 +155,14 @@ struct fpga_manager {
138 155
139#define to_fpga_manager(d) container_of(d, struct fpga_manager, dev) 156#define to_fpga_manager(d) container_of(d, struct fpga_manager, dev)
140 157
141int fpga_mgr_buf_load(struct fpga_manager *mgr, struct fpga_image_info *info, 158struct fpga_image_info *fpga_image_info_alloc(struct device *dev);
142 const char *buf, size_t count); 159
143int fpga_mgr_buf_load_sg(struct fpga_manager *mgr, struct fpga_image_info *info, 160void fpga_image_info_free(struct fpga_image_info *info);
144 struct sg_table *sgt); 161
162int fpga_mgr_load(struct fpga_manager *mgr, struct fpga_image_info *info);
145 163
146int fpga_mgr_firmware_load(struct fpga_manager *mgr, 164int fpga_mgr_lock(struct fpga_manager *mgr);
147 struct fpga_image_info *info, 165void fpga_mgr_unlock(struct fpga_manager *mgr);
148 const char *image_name);
149 166
150struct fpga_manager *of_fpga_mgr_get(struct device_node *node); 167struct fpga_manager *of_fpga_mgr_get(struct device_node *node);
151 168