1 | /** |
---|---|
2 | * Marvell NFC driver: Firmware downloader |
3 | * |
4 | * Copyright (C) 2015, Marvell International Ltd. |
5 | * |
6 | * This software file (the "File") is distributed by Marvell International |
7 | * Ltd. under the terms of the GNU General Public License Version 2, June 1991 |
8 | * (the "License"). You may use, redistribute and/or modify this File in |
9 | * accordance with the terms and conditions of the License, a copy of which |
10 | * is available on the worldwide web at |
11 | * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. |
12 | * |
13 | * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE |
14 | * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE |
15 | * ARE EXPRESSLY DISCLAIMED. The License provides additional details about |
16 | * this warranty disclaimer. |
17 | **/ |
18 | |
19 | #ifndef __NFCMRVL_FW_DNLD_H__ |
20 | #define __NFCMRVL_FW_DNLD_H__ |
21 | |
22 | #include <linux/workqueue.h> |
23 | |
24 | #define NFCMRVL_FW_MAGIC 0x88888888 |
25 | |
26 | #define NCI_OP_PROP_BOOT_CMD 0x3A |
27 | |
28 | #define NCI_CORE_LC_PROP_FW_DL 0xFD |
29 | #define NCI_CORE_LC_CONNID_PROP_FW_DL 0x02 |
30 | |
31 | #define HELPER_CMD_ENTRY_POINT 0x04 |
32 | #define HELPER_CMD_PACKET_FORMAT 0xA5 |
33 | #define HELPER_ACK_PACKET_FORMAT 0x5A |
34 | #define HELPER_RETRY_REQUESTED (1 << 15) |
35 | |
36 | struct nfcmrvl_private; |
37 | |
38 | struct nfcmrvl_fw_uart_config { |
39 | uint8_t flow_control; |
40 | uint32_t baudrate; |
41 | } __packed; |
42 | |
43 | struct nfcmrvl_fw_i2c_config { |
44 | uint32_t clk; |
45 | } __packed; |
46 | |
47 | struct nfcmrvl_fw_spi_config { |
48 | uint32_t clk; |
49 | } __packed; |
50 | |
51 | struct nfcmrvl_fw_binary_config { |
52 | uint32_t offset; |
53 | union { |
54 | void *config; |
55 | struct nfcmrvl_fw_uart_config uart; |
56 | struct nfcmrvl_fw_i2c_config i2c; |
57 | struct nfcmrvl_fw_spi_config spi; |
58 | uint8_t reserved[64]; |
59 | }; |
60 | } __packed; |
61 | |
62 | struct nfcmrvl_fw { |
63 | uint32_t magic; |
64 | uint32_t ref_clock; |
65 | uint32_t phy; |
66 | struct nfcmrvl_fw_binary_config bootrom; |
67 | struct nfcmrvl_fw_binary_config helper; |
68 | struct nfcmrvl_fw_binary_config firmware; |
69 | uint8_t reserved[64]; |
70 | } __packed; |
71 | |
72 | struct nfcmrvl_fw_dnld { |
73 | char name[NFC_FIRMWARE_NAME_MAXSIZE + 1]; |
74 | const struct firmware *fw; |
75 | |
76 | const struct nfcmrvl_fw *header; |
77 | const struct nfcmrvl_fw_binary_config *binary_config; |
78 | |
79 | int state; |
80 | int substate; |
81 | int offset; |
82 | int chunk_len; |
83 | |
84 | struct workqueue_struct *rx_wq; |
85 | struct work_struct rx_work; |
86 | struct sk_buff_head rx_q; |
87 | |
88 | struct timer_list timer; |
89 | }; |
90 | |
91 | int nfcmrvl_fw_dnld_init(struct nfcmrvl_private *priv); |
92 | void nfcmrvl_fw_dnld_deinit(struct nfcmrvl_private *priv); |
93 | void nfcmrvl_fw_dnld_abort(struct nfcmrvl_private *priv); |
94 | int nfcmrvl_fw_dnld_start(struct nci_dev *ndev, const char *firmware_name); |
95 | void nfcmrvl_fw_dnld_recv_frame(struct nfcmrvl_private *priv, |
96 | struct sk_buff *skb); |
97 | |
98 | #endif |
99 |