xref: /linux/drivers/net/ethernet/brocade/bna/cna_fwimg.c (revision f844a0ead401c3ce0f01a8bb4d6cea2f0f6ad863)
1*f844a0eaSJeff Kirsher /*
2*f844a0eaSJeff Kirsher  * Linux network driver for Brocade Converged Network Adapter.
3*f844a0eaSJeff Kirsher  *
4*f844a0eaSJeff Kirsher  * This program is free software; you can redistribute it and/or modify it
5*f844a0eaSJeff Kirsher  * under the terms of the GNU General Public License (GPL) Version 2 as
6*f844a0eaSJeff Kirsher  * published by the Free Software Foundation
7*f844a0eaSJeff Kirsher  *
8*f844a0eaSJeff Kirsher  * This program is distributed in the hope that it will be useful, but
9*f844a0eaSJeff Kirsher  * WITHOUT ANY WARRANTY; without even the implied warranty of
10*f844a0eaSJeff Kirsher  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
11*f844a0eaSJeff Kirsher  * General Public License for more details.
12*f844a0eaSJeff Kirsher  */
13*f844a0eaSJeff Kirsher /*
14*f844a0eaSJeff Kirsher  * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
15*f844a0eaSJeff Kirsher  * All rights reserved
16*f844a0eaSJeff Kirsher  * www.brocade.com
17*f844a0eaSJeff Kirsher  */
18*f844a0eaSJeff Kirsher #include <linux/firmware.h>
19*f844a0eaSJeff Kirsher #include "cna.h"
20*f844a0eaSJeff Kirsher 
21*f844a0eaSJeff Kirsher const struct firmware *bfi_fw;
22*f844a0eaSJeff Kirsher static u32 *bfi_image_ct_cna;
23*f844a0eaSJeff Kirsher static u32 bfi_image_ct_cna_size;
24*f844a0eaSJeff Kirsher 
25*f844a0eaSJeff Kirsher static u32 *
26*f844a0eaSJeff Kirsher cna_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
27*f844a0eaSJeff Kirsher 			u32 *bfi_image_size, char *fw_name)
28*f844a0eaSJeff Kirsher {
29*f844a0eaSJeff Kirsher 	const struct firmware *fw;
30*f844a0eaSJeff Kirsher 
31*f844a0eaSJeff Kirsher 	if (request_firmware(&fw, fw_name, &pdev->dev)) {
32*f844a0eaSJeff Kirsher 		pr_alert("Can't locate firmware %s\n", fw_name);
33*f844a0eaSJeff Kirsher 		goto error;
34*f844a0eaSJeff Kirsher 	}
35*f844a0eaSJeff Kirsher 
36*f844a0eaSJeff Kirsher 	*bfi_image = (u32 *)fw->data;
37*f844a0eaSJeff Kirsher 	*bfi_image_size = fw->size/sizeof(u32);
38*f844a0eaSJeff Kirsher 	bfi_fw = fw;
39*f844a0eaSJeff Kirsher 
40*f844a0eaSJeff Kirsher 	return *bfi_image;
41*f844a0eaSJeff Kirsher error:
42*f844a0eaSJeff Kirsher 	return NULL;
43*f844a0eaSJeff Kirsher }
44*f844a0eaSJeff Kirsher 
45*f844a0eaSJeff Kirsher u32 *
46*f844a0eaSJeff Kirsher cna_get_firmware_buf(struct pci_dev *pdev)
47*f844a0eaSJeff Kirsher {
48*f844a0eaSJeff Kirsher 	if (bfi_image_ct_cna_size == 0)
49*f844a0eaSJeff Kirsher 		cna_read_firmware(pdev, &bfi_image_ct_cna,
50*f844a0eaSJeff Kirsher 			&bfi_image_ct_cna_size, CNA_FW_FILE_CT);
51*f844a0eaSJeff Kirsher 	return bfi_image_ct_cna;
52*f844a0eaSJeff Kirsher }
53*f844a0eaSJeff Kirsher 
54*f844a0eaSJeff Kirsher u32 *
55*f844a0eaSJeff Kirsher bfa_cb_image_get_chunk(int type, u32 off)
56*f844a0eaSJeff Kirsher {
57*f844a0eaSJeff Kirsher 	return (u32 *)(bfi_image_ct_cna + off);
58*f844a0eaSJeff Kirsher }
59*f844a0eaSJeff Kirsher 
60*f844a0eaSJeff Kirsher u32
61*f844a0eaSJeff Kirsher bfa_cb_image_get_size(int type)
62*f844a0eaSJeff Kirsher {
63*f844a0eaSJeff Kirsher 	return bfi_image_ct_cna_size;
64*f844a0eaSJeff Kirsher }
65