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3194c687 VC |
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 |