1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Linux network driver for QLogic BR-series Converged Network Adapter. 4 */ 5 /* 6 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. 7 * Copyright (c) 2014-2015 QLogic Corporation 8 * All rights reserved 9 * www.qlogic.com 10 */ 11 #include <linux/firmware.h> 12 #include "bnad.h" 13 #include "bfi.h" 14 #include "cna.h" 15 16 const struct firmware *bfi_fw; 17 static u32 *bfi_image_ct_cna, *bfi_image_ct2_cna; 18 static u32 bfi_image_ct_cna_size, bfi_image_ct2_cna_size; 19 20 static u32 * 21 cna_read_firmware(struct pci_dev *pdev, u32 **bfi_image, 22 u32 *bfi_image_size, char *fw_name) 23 { 24 const struct firmware *fw; 25 u32 n; 26 27 if (request_firmware(&fw, fw_name, &pdev->dev)) { 28 dev_alert(&pdev->dev, "can't load firmware %s\n", fw_name); 29 goto error; 30 } 31 32 *bfi_image = (u32 *)fw->data; 33 *bfi_image_size = fw->size/sizeof(u32); 34 bfi_fw = fw; 35 36 /* Convert loaded firmware to host order as it is stored in file 37 * as sequence of LE32 integers. 38 */ 39 for (n = 0; n < *bfi_image_size; n++) 40 le32_to_cpus(*bfi_image + n); 41 42 return *bfi_image; 43 error: 44 return NULL; 45 } 46 47 u32 * 48 cna_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 65 u32 * 66 bfa_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 (bfi_image_ct_cna + off); 71 case BFI_ASIC_GEN_CT2: 72 return (bfi_image_ct2_cna + off); 73 default: 74 return NULL; 75 } 76 } 77 78 u32 79 bfa_cb_image_get_size(enum bfi_asic_gen asic_gen) 80 { 81 switch (asic_gen) { 82 case BFI_ASIC_GEN_CT: 83 return bfi_image_ct_cna_size; 84 case BFI_ASIC_GEN_CT2: 85 return bfi_image_ct2_cna_size; 86 default: 87 return 0; 88 } 89 } 90