1/* 2 * Linux network driver for Brocade Converged Network Adapter. 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License (GPL) Version 2 as 6 * published by the Free Software Foundation 7 * 8 * This program is distributed in the hope that it will be useful, but 9 * WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 11 * General Public License for more details. 12 */ 13/* 14 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. 15 * All rights reserved 16 * www.brocade.com 17 */ 18#include <linux/firmware.h> 19#include "bnad.h" 20#include "bfi.h" 21#include "cna.h" 22 23const struct firmware *bfi_fw; 24static u32 *bfi_image_ct_cna, *bfi_image_ct2_cna; 25static u32 bfi_image_ct_cna_size, bfi_image_ct2_cna_size; 26 27static u32 * 28cna_read_firmware(struct pci_dev *pdev, u32 **bfi_image, 29 u32 *bfi_image_size, char *fw_name) 30{ 31 const struct firmware *fw; 32 33 if (request_firmware(&fw, fw_name, &pdev->dev)) { 34 pr_alert("Can't locate firmware %s\n", fw_name); 35 goto error; 36 } 37 38 *bfi_image = (u32 *)fw->data; 39 *bfi_image_size = fw->size/sizeof(u32); 40 bfi_fw = fw; 41 42 return *bfi_image; 43error: 44 return NULL; 45} 46 47u32 * 48cna_get_firmware_buf(struct pci_dev *pdev) 49{ 50 if (pdev->device == BFA_PCI_DEVICE_ID_CT2) { 51 if (bfi_image_ct2_cna_size == 0) 52 cna_read_firmware(pdev, &bfi_image_ct2_cna, 53 &bfi_image_ct2_cna_size, CNA_FW_FILE_CT2); 54 return bfi_image_ct2_cna; 55 } else if (bfa_asic_id_ct(pdev->device)) { 56 if (bfi_image_ct_cna_size == 0) 57 cna_read_firmware(pdev, &bfi_image_ct_cna, 58 &bfi_image_ct_cna_size, CNA_FW_FILE_CT); 59 return bfi_image_ct_cna; 60 } 61 62 return NULL; 63} 64 65u32 * 66bfa_cb_image_get_chunk(enum bfi_asic_gen asic_gen, u32 off) 67{ 68 switch (asic_gen) { 69 case BFI_ASIC_GEN_CT: 70 return (u32 *)(bfi_image_ct_cna + off); 71 break; 72 case BFI_ASIC_GEN_CT2: 73 return (u32 *)(bfi_image_ct2_cna + off); 74 break; 75 default: 76 return NULL; 77 } 78} 79 80u32 81bfa_cb_image_get_size(enum bfi_asic_gen asic_gen) 82{ 83 switch (asic_gen) { 84 case BFI_ASIC_GEN_CT: 85 return bfi_image_ct_cna_size; 86 break; 87 case BFI_ASIC_GEN_CT2: 88 return bfi_image_ct2_cna_size; 89 break; 90 default: 91 return 0; 92 } 93} 94