| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
|---|---|
| 2 | /* |
| 3 | * Marvell NFC driver: Firmware downloader |
| 4 | * |
| 5 | * Copyright (C) 2015, Marvell International Ltd. |
| 6 | */ |
| 7 | |
| 8 | #ifndef __NFCMRVL_FW_DNLD_H__ |
| 9 | #define __NFCMRVL_FW_DNLD_H__ |
| 10 | |
| 11 | #include <linux/workqueue.h> |
| 12 | |
| 13 | #define NFCMRVL_FW_MAGIC 0x88888888 |
| 14 | |
| 15 | #define NCI_OP_PROP_BOOT_CMD 0x3A |
| 16 | |
| 17 | #define NCI_CORE_LC_PROP_FW_DL 0xFD |
| 18 | #define NCI_CORE_LC_CONNID_PROP_FW_DL 0x02 |
| 19 | |
| 20 | #define HELPER_CMD_ENTRY_POINT 0x04 |
| 21 | #define HELPER_CMD_PACKET_FORMAT 0xA5 |
| 22 | #define HELPER_ACK_PACKET_FORMAT 0x5A |
| 23 | #define HELPER_RETRY_REQUESTED (1 << 15) |
| 24 | |
| 25 | struct nfcmrvl_private; |
| 26 | |
| 27 | struct nfcmrvl_fw_uart_config { |
| 28 | uint8_t flow_control; |
| 29 | uint32_t baudrate; |
| 30 | } __packed; |
| 31 | |
| 32 | struct nfcmrvl_fw_i2c_config { |
| 33 | uint32_t clk; |
| 34 | } __packed; |
| 35 | |
| 36 | struct nfcmrvl_fw_spi_config { |
| 37 | uint32_t clk; |
| 38 | } __packed; |
| 39 | |
| 40 | struct nfcmrvl_fw_binary_config { |
| 41 | uint32_t offset; |
| 42 | union { |
| 43 | void *config; |
| 44 | struct nfcmrvl_fw_uart_config uart; |
| 45 | struct nfcmrvl_fw_i2c_config i2c; |
| 46 | struct nfcmrvl_fw_spi_config spi; |
| 47 | uint8_t reserved[64]; |
| 48 | }; |
| 49 | } __packed; |
| 50 | |
| 51 | struct nfcmrvl_fw { |
| 52 | uint32_t magic; |
| 53 | uint32_t ref_clock; |
| 54 | uint32_t phy; |
| 55 | struct nfcmrvl_fw_binary_config bootrom; |
| 56 | struct nfcmrvl_fw_binary_config helper; |
| 57 | struct nfcmrvl_fw_binary_config firmware; |
| 58 | uint8_t reserved[64]; |
| 59 | } __packed; |
| 60 | |
| 61 | struct nfcmrvl_fw_dnld { |
| 62 | char name[NFC_FIRMWARE_NAME_MAXSIZE + 1]; |
| 63 | const struct firmware *fw; |
| 64 | |
| 65 | const struct nfcmrvl_fw *header; |
| 66 | const struct nfcmrvl_fw_binary_config *binary_config; |
| 67 | |
| 68 | int state; |
| 69 | int substate; |
| 70 | int offset; |
| 71 | int chunk_len; |
| 72 | |
| 73 | struct workqueue_struct *rx_wq; |
| 74 | struct work_struct rx_work; |
| 75 | struct sk_buff_head rx_q; |
| 76 | |
| 77 | struct timer_list timer; |
| 78 | }; |
| 79 | |
| 80 | int nfcmrvl_fw_dnld_init(struct nfcmrvl_private *priv); |
| 81 | void nfcmrvl_fw_dnld_deinit(struct nfcmrvl_private *priv); |
| 82 | void nfcmrvl_fw_dnld_abort(struct nfcmrvl_private *priv); |
| 83 | int nfcmrvl_fw_dnld_start(struct nci_dev *ndev, const char *firmware_name); |
| 84 | void nfcmrvl_fw_dnld_recv_frame(struct nfcmrvl_private *priv, |
| 85 | struct sk_buff *skb); |
| 86 | |
| 87 | #endif |
| 88 |